From c04fcb2c2dd55dce6d41bdeb80c5812cadc07108 Mon Sep 17 00:00:00 2001 From: Packit Date: Sep 15 2020 13:24:12 +0000 Subject: lttng-ust-2.8.1 base --- diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..4191b66 --- /dev/null +++ b/COPYING @@ -0,0 +1,52 @@ +LTTng UST - Userspace Tracer + +Copyright (C) 2009-2012 Mathieu Desnoyers +Copyright (C) 2010 Pierre-Marc Fournier, Nils Carlson, David Goulet and others. + + +* This library is licensed under the LGPL v2.1 license, except when + specified otherwise. + +This library is free software; you can redistribute it and/or +modify it under the terms of the GNU Lesser General Public +License as published by the Free Software Foundation; only +version 2.1 of the License. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public +License along with this library; if not, write to the Free Software +Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + + +* System headers are MIT-licensed (BSD style): + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + + +* liblttng-ust-ctl/ustctl.c is GPL v2. It is only used by the + lttng-sessiond program. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; version 2 of the License only. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. diff --git a/ChangeLog b/ChangeLog new file mode 100644 index 0000000..c373ef8 --- /dev/null +++ b/ChangeLog @@ -0,0 +1,1003 @@ +2016-06-15 lttng-ust 2.8.1 + * Comment the locking mechanisms in ContextInfoManager + * Fix: Null-check return value of log4j.Category.getAllAppenders() + * Add liblttng-ust-agent.jar to the .gitignore + * Fix: Specify encoding when reading agent port file + * Fix: Include child loggers in the output of "lttng list" + * Fix: Handle both agent config files pointing to same port + * Suppress static method warning + * Add more logging to the LttngTcpSessiondClient + * Use config.h to detect sched_getcpu support + * Fix: use limits.h in ust-elf test + * Fix: strerror_r behavior is glibc specific + * Add support for musl libc to ust-dlfcn.h + * Fix: don't generate 0-len array in tracepoint probes + * Fix: log4j example: set logger level to prevent unexpected level inheritance + * Fix: initialize RCU callbacks with mixed LGPL/non-LGPL objects + * Fix: incorrect structure layout with mixed LGPL/non-LGPL objects + * Fix: don't call __builtin_return_address(0) on 32-bit powerpc + * Fix: tracepoint header: declare tracepoint_dlopen_ptr + * Fix: update debug message about weak-hidden symbols + * Fix: tracepoint-rcu header: use tracepoint_dlopen_ptr + * Fix: test: relax requirement on weak-hidden symbol address + * Fix: work-around gcc optimisation oddness on 32-bit powerpc + * Fix: test weak-hidden symbols + +2016-05-20 (Bike-to-Work Day) lttng-ust 2.8.0 + * Print DBG() message about compiler weak hidden symbol behavior + * test: add test for gcc issue with weak hidden symbol on powerpc + * Restrict Java context retriever names to a set of valid characters + * Fix: Correctly compute Java agent list loggers response size + * Add support for aarch64_be + * Fix: Fix synchronization of LTTngAgent#dispose + * Fix: Verify number of bytes contained in sessiond agent commands + * Fix: Avoid potential null dereference with log4j loggers + * Specify UTF-8 encoding for all Java agent commands + * Fix: merge tap tests stdout and stderr + * Documentation: ring buffer: SWITCH_FLUSH can be used when active + * Fix: unchecked return value in trace_clock_read64_monotonic + * Fix: portability: no arith on void pointer + * Fix: add "has_build_id" and "has_debug_link" fields to debuginfo events + * Fix: initialize build id and debug link flags to 0 + * Tests: Add tap-driver.sh for automake < 1.12 + * Tests: Replace prove by autotools tap runner + * bootstrap: Standardize on autoreconf -vi + * Harmonize bootstrap script across projects + * lttng-ust(3): order environment variables + * lttng-ust(3): fix syntax of env. variables section + * lttng-ust(3): document $LTTNG_HOME + * Fix: Java agent should use LTTNG_HOME + * Fix: examples make distcheck failure + * Cleanup: add static for internal symbols + * Cleanup: Remove unused max() macros from ring_buffer_frontend.c + * Use min_t/max_t macros in lttng-ust-elf.c + * Tests: update ust-elf tests to reflect correct memsz computation + * Fix: erroneous computation of ELF in-memory size + * Make code and man pages share the same default values + * Fix: remove NULL check of nonnull parameter in dlclose + * Fix: endianness of integers received by filter + +2016-04-26 lttng-ust 2.8.0-rc2 + * Doc: Update README.md + * Fix: jul and log4j agents makefile missing line and indentation + * Fix: re-introduce exported symbols + * Doc: update manpages for soinfo/sopath name change + * Rename statedump and dl events and fields + * Tests: list ust-elf test data explicitly in EXTRA_DIST + * Tests: add tests for lttng_ust_elf_is_pic + * Add is_pic field to statedump soinfo event + * Fix: add common jar to lttng-ust-agent-all dependencies + * Fix: add version to lttng-ust-agent-all jar file + * Fix: rename liblttng-ust-agent to lttng-ust-agent-all + * Fix: re-add liblttng-ust-agent.jar + * Fix: lttng java agent: dispose is non-static + * doc/man: lttng-ust(3): add tracing control to example + * doc/man: lttng-ust(3): split example files in subsections + * doc/man/common-copyrights: add missing THANKS section + * doc/man: lttng-ust(3): add missing ENVIRONMENT VARIABLES section + * doc/man: do not use macros in the NAME section + * doc/man: remove duplicate copyrights section + * README.md: bolden dependencies and update links + * README.md: split required and optional dependencies + * Convert man pages to AsciiDoc + * Fix: remove dead code from filter interpreter + * Fix: convey enum value signedness into metadata + +2016-03-18 (Awkward Moments Day) lttng-ust 2.8.0-rc1 + * Fix: remove assertions in lttng-ust-comm init + * Add tracepoint_disable_destructors() + * Documentation: fix manpage typo + * Fix: move lttng_context_is_app to core file + * Fix: move dummy functions to common file + * Fix: handle backward probe compatibility for application contexts + * Fix: application context header size + * Fix: event ctx get size should be after chan ctx + * Clarify and simplify the Java agent "Hello" examples + * Export the stream instance ID + * Generate and export the sequence number + * Add stream instance id to the packet header + * configure.ac: print empty line after AC_OUTPUT + * configure.ac: macros with no arguments do not need () + * configure.ac: standardize indentation to tabs + * configure.ac: move AC_PROG_SED() close to other AC_PROG_*() + * configure.ac: test -a -> shell's && (more portable) + * configure.ac: use test "x$var" = "xyes" + * configure.ac: AM_CONDITIONAL() accepts two arguments + * configure.ac: use dnl at appropriate places + * configure.ac: if -> AS_IF() + * configure.ac: case -> AS_CASE() + * configure.ac: add missing quotes in macro calls + * configure.ac: use macros for version name and description + * configure.ac: do not use shell eval for known values + * Add CONTRIBUTING.md + * Output "(null)" when ctf_string()'s arg is NULL + * Fix: disable use of __builtin_return_address(0) on 32-bit PowerPC + * Fix: java agent 32-bit pointer to jlong warning + * Fix: Use Java 6 syntax in JUL examples + * Fix: add missing example file to dist tarball + * Fix: add missing header to dist tarball + * Fix: add missing LttngContextApi.java to dist tarball + * Pass the Java app context information using two separate arrays + * Fix: Correctly report filter notifications on Java agent teardown + * Add some logging to the AbstractLttngAgent + * Fix: Clear tracked application contexts upon closing a Java agent + * Introduce a verbose mode for the Java agent + * Implement Java agent application context retrieval + * Turn ISessiondCommand into an abstract class + * Split the JNI APIs in separate classes + * Add app context support to ust-ctl protocol + * Handle application context cmd + * Implement dynamic types, and application context provider support + * Fix: handle negative range for LTTNG_UST_REGISTER_TIMEOUT + * Fix: Ensure the Java JUL messages are correctly formatted + * Fix: double-free on error sending fields + * Add CTF enum type support to tracepoint event + * Fix: missing _GNU_SOURCE define + * python-lttngust/setup.py.in: update setup() fields + * Refactor Python agent build and install + * Fix: remove debugging print() call from Python agent + * Fix: header size larger than 256 bytes + * Python agent: Support Agent protocol v2.0 + * Fix: Java agent protocol network endianness consistency + * Fix: examples jul: add missing files to make dist + * Fix: Filer -> Filter typo in example + * Fix: Return the correct list of available Java events + * Add a toString() to Java agent's EventRule + * Add API stubs for the Java context info retrievers + * Receive the event filter string in the Java agent + * Document the Java filter notification model + * Add filter change notification mechanism to the Java agent + * Manage complete "event rules" in the Java agent + * Introduce a new client listener interface for the Java agent + * Turn ILttngAgentResponse into an abstract class + * Remove stale tests/java-jul test + * Fix: live timer calculation error + * Fix python agent build/install/uninstall with DESTDIR specified + * Fix: Don't (re)define STAP_PROBEV + * Fix: don't dereference NULL pointers + * Cleanup: Remove unused values + * Fix: Value stored to 'has_waited' is never read + * Fix: Argument with 'nonnull' attribute passed null + * Cleanup: Unnecessary bit shift + * Clean-up: remove extraneous "found" parameters in ust-elf + * Fix: sysconf() unchecked return value + * doc: add Python example + * Fix: Python agent: do not register twice to same port + * Fix: potential leaks in error paths + * Fix: double free in liblttng-ust-dl + * Fix: make check in OOT build with absolute path + * Fix: elf: leaks on error paths + * Cleanup: coding style + * Cleanup: elf: use off_t for offsets, size_t for len + * Cleanup: eliminate implicit sign-extension + * Fix: elf: NULL pointer dereference + * Fix: add missing ust-elf.h header to dist + * Fix: make check in out of tree build + * Fix: old gcc warnings + * Fix: old gcc warning + * Fix: remove stale lttng-ust-elf.h from makefile + * Fix: elf: uninitialized ret + * Fix: test elf: handle NULL debug file + * test: elf move constants to top of implementation + * Fix: elf test prog arg checking + * baddr statedump: remove dependency on file streams + * baddr statedump: hold ust lock around allocations + * Add unit tests for lttng_ust_elf + * Add memory size, build id, and debug link info to statedump and dl + * Fix: close socket on protocol error, sendmsg MSG_NOSIGNAL + * Cleanup: more descriptive error message + * Fix: add missing ust lock around objd_table_destroy() + * Fix: application exit race with pthread cancel + * Cleanup: configure layout for python agent detection + * Build: python agent: use setup.py over autoconf + * Build: add python interpreter used by python agent if built + * Doc: basic lttng ust python agent documentation + * Build: use AM_PATH_PYTHON to resolve python when building agent + * Build: only check if python exists in path + * Update version to 2.8.0-pre + * Fix: Send the correct Java agent return code when disabling events + * Fix: Correctly handle the command to disable all events + * Small refactor of the Java agent's TCP client + * Rename Java Agent event names to "event" + * Rename Python agent tracepoint to "event" + * Allow compiling the Java agent with Java 1.6 + * Restore concurrent build when Java agent is enabled + * Refactor Java agent to let applications manage the log handlers + * Doc: add LTTNG_UST_CLOCK_PLUGIN to man page + * Doc: add LTTNG_UST_GETCPU_PLUGIN to man page + * Cleanup: Add Javadoc to all public methods and members + * Fix: Small fixes to the Java agent example files + * Update doc/java-agent.txt to reflect the new packaging + * Split Java agent library in 3 separate jars + * Remove deprecated org.lttng.ust.jul.LTTngAgent class + * Use tar-ustar format for the dist archive + * Fix: remove generated file from git tree + +2015-07-15 (Pet Fire Safety Day) lttng-ust 2.7.0-rc1 + * Fix: Use $enableval with AC_ARG_ENABLE + * Fix: Cleanup local_apps sock_info in lttng_ust_cleanup + * Fix: handle sys_futex EINTR and EWOULDBLOCK + * Fix: update liburcu URL + * .gitignore: ignore Python agent generated files + * Add ctf_sequence_hex() macro + * Fix: set soinfo_data's vdso flag correctly in base address statedump + * Fix: running java examples out of tree + * Fix: java class check when uudecode is not present + * Cleanup: remove extra whitespace in configure output + * Default to no unaligned access on unsupported archs + * cleanup: Coding style fixes to the Java agent + * cleanup: Mark obsolete JUL agent as @Deprecated + * Fix compilation warnings in the Java agent + * Fix: out of tree build of java agents + * Fix: Use env CLASSPATH when building log4j example + * Fix: build log4j example when enabled + * Bump tracer version to 2.7.0-pre + * Fix: perform volatile load of tracepoint state + * Add demo-tracelog to gitignore file + * Add aarch64 support to configure + * Implement cpu_id context for filtering + * ust cyg-profile: use same class for entry and exit + * Fix: function instrumentation ip context + * Fix: liblttng-ust-dl ip context + * Remove caller field from malloc events + * Fix: pthread wrapper ip context + * Fix: lttng-ust-malloc ip context + * Allow TP_IP_PARAM arg name to be configured + * tracelog: use same class for all loglevels + * fix tracelog namespacing of loglevels + * Add tracelog documentation to lttng-ust(3) + * Implement demo-tracelog example + * Implement tracelog API + * Fix: fetch caller address from tracef() + * Rename helper providers and events for consistency + * Refactor state dump system + * Refactor Python agent + * Fix: building probe providers with C++ compiler + * Fix: use lttng_secure_getenv to handle env. vars. involving paths + * Fix: Don't wait during registration if clock_gettime() fails + * Fix: getcpu/clock plugin handle leak + * Fix: add missing new ldl dependency for liblttng-ust-ctl + * Fix: add missing getenv wrapper + * Fix: add missing lttng-clock.c + * Fix: add missing ust-clock.h + * clock plugin example: use shift and mul + * Implement getcpu override + * Implement clock override plugin support + * Add tracepoint_enabled() macro + * Move file creation/unlink from liblttng-ust-ctl to consumerd + * Implement file-backed ring buffer + * Fix: oot build: missing top_builddir include + * Fix: Mismatching code and console output in log4j example + * Update manpage about LTTNG_UST_DEBUG effect + * Don't output to stderr from lib unless DEBUG is activated + * Remove usterr.h, use usterr-signal-safe.h everywhere instead + * Fix: out-of-tree build: wrong file path for sed input + * Fix: make dist: python agent file handling + * Fix: java-agent: out-of-tree path to java manifest + * Add return address to liblttng-ust-libc-wrapper + * Fix: missing parenthesis in offset_align_floor + * Fix: add ustctl_has_perf_counters + * Fix: add urcu-bp TLS fixup + * Fix: add missing poll.h include + * Fix: get_subbuf: bound number of consumerd retry + * Fix: man: you can't link a lib with a static lib + * Fix: context alignment not properly handled + * Fix: Shorthand option -cp not supported in all version of Java + * Fix: allow tracepoints to build with --std=c99 + * Bump UST ABI for new release cycle + * Cleanup: remove "disabled" flag for new release cycle + * Fix: filter attach vs event enable race + * Fix: add a configure check for weak symbols support + * Fix coverity warning about sizeof(void **) != sizeof(void *) + * Fix: off-by-one in sequence filter comparator + * Fix: Java Agent JAR file symlink should be created after objects install + * Fix: Add versioning to liblttng-ust-agent JAR + * Fix: Warn when log4j version is too old + * Update Java agent documentation + * Fix: Try loading classes using the thread context class loader + * Add Python agent support + * Update version name + +2014-10-20 lttng-ust 2.6.0-rc1 + * Add missing file to gitignore + * Fix: preserve example files' timestamps when copying + * Fix: Abort loading log4j agent classes when detected log4j version is too old + * Cleanup: Remove the no longer needed liblttng-ust-jul folder + * Fix: Wrong CLASSPATH when building liblttng-ust-java oot + * Fix: Wrong CLASSPATH when building liblttng-ust-java-agent oot + * Rename public structure to avoid collisions + * Refactor liblttng-ust-jul in liblttng-ust-agent + * Build the liblttng-ust-java library using the new M4 macros + * Add M4 macros helpers to build Java programs + * Modernize README using Markdown + * Documentation: clarify event name in lttng-ust.3 + * Add cscope to gitignore + * configure.ac: fix "missing jni.h" error message + * Fix: remove references to trace_printf() + * Change JUL agent to use the new ABI + +2014-07-16 (Take Your Poet to Work Day) lttng-ust 2.5.0 + * Mutex while updating statedump_pending is not needed + * Revert "Turn base address dump into experimental feature" + * Fix: document ust_fork_mutex nesting + * Bugfix for #745 deadlock with baddr statedump+fork + * Move enablers syncing after the channel registration + * Add lttng_ust_notrace to static inline functions + * lttng ust: support ppc64le within configure + +2014-06-27 lttng-ust 2.5.0-rc2 + * Fix: lttng-ust-jul: set thread in daemon mode + * JUL: use root logger to capture events + * Fix: Wrong configure check for UST perf event counters context support + * Fix: multiple providers in same C file failure + * Fix: header inclusion guard typo in lttng-ust-tracef-provider.h + * Fix: 2.5.0-rc1 changelog has off-by-one date + +2014-05-28 (International Hamburger Day) lttng-ust 2.5.0-rc1 + * Fix: out of tree build for lib Java and JUL + * Fix: default loglevel is DEBUG + * Fix: refuse overwrite mode buffers with less than two subbuffers + * Fix: tracef.h: add missing c++ guard + * Fix: remove JUL loglevel filtering from the agent + * Fix: cleanup JUL agent state on sessiond disconnect + * Fix: Move generated headers to the BUILT_SOURCES target + * Fix: perf ust: check close return value + * Cleanup: work-around missing inet.h struct mmsghdr fwd declaration + * Implement LTTng-UST perf counters support on x86 + * Fix linking failure when cross-compiling + * Fix: disable liblttng-ust-dl if dlinfo is not available in C library + * Fix: pass proper args when writing commit counter + * Fix: pad strings that are modified concurrently with tracing + * Fix: Use $AM_CC when it is defined instead of gcc in demo-tracef + * Revert "Fix: disable liblttng-ust-dl if dlinfo is not available in C library" + * Fix: .split() the CC environment variable in lttng-gen-tp + * Fix: disable liblttng-ust-dl if dlinfo is not available in C library + * Fix: python invocation through env + * Change default loglevel to TRACE_DEBUG_LINE + * Fix: Override AM_PATH_PYTHON's default action-if-not-found + * Fix: don't accept configure --disable-shared + * Fix: configure.ac: add missing result to alignment req. check + * Fix: malloc wrapper: infinite recursion with compat TLS + * Fix: lttng-ust needs -ldl for tracef() + * Fix: typo in lttng-ust.3 + * Fix: liblttng-ust-libc-wrapper recursive use of calloc + * Fix: add demo-tracef to dist tarball + * Fix: add missing header files for tracef + * Implement tracef() instrumentation API + * Add 'unused' attribute to tracepoint callback + * Use autoconf AM_MAINTAINER_MODE + * Fix: mismatch between code and comments + * Fix: incorrect urcu git URL in README + +2014-02-28 (Public Sleeping Day) lttng-ust 2.4.0 + * Fix: JUL test: update to API change + * Fix: Cast from pointer to different integer size warning + * Turn base address dump into experimental feature + * Fix: JUL support multiple loglevels + * Fix: Skip lttng-gen-tp example build if Python is missing + * Fix: dynamically fetch the session daemon port + * Fix: JUL agent connect to user and root sessiond + * Fix: handle registration done command + * Fix: Unsynchronized access in LTTngTCPSessiondClient + * Cleanup: fix comment + * Fix: Dump executable base-address with readlink + * Fix: add assert for NULL dereference + * Fix: tracepoint out of memory handling + * Fix: dereference before null check + * Cleanup: remove logically dead code + * Fix: handle sysconf errors + * Fix: java-jul/Makefile should not be marked as a binary + +2014-02-14 lttng-ust 2.4.0-rc4 + * Cleanup: remove extra space in dlerror wrapper + * Fix: work-around glibc lying about dlsym()/dlerror() leafness + * Cleanup: add lttng_ust_malloc_wrapper_init prototype to header + * Fix: malloc libc instrumentation wrapper + * Fix: add LTTngEvent class to fix delayed logger + * Fix: FD leak in liblttng-ust-ctl + * Fix: liblttng-ust-dl Makefile flags mismatch + * Fix: liblttng-ust-fork Makefile flags mismatch + * Fix: out of tree examples build + * Fix: C++: incomplete extern C guard transition + +2014-01-29 lttng-ust 2.4.0-rc3 + * Fix: add missing JUL loglevel handling + * Cleanup gen-tp: add quotes around AM_CC + * Pass the CC variable to the example Makefiles + * cleanup ust_baddr and ust_baddr_statedump doc + * baddr: add ust_baddr and ust_baddr_statedump doc + * Fix: baddr_statedump tracepoint registration + * Fix: baddr out of tree build + +2013-12-10 lttng-ust 2.4.0-rc2 + * Fix: baddr_statedump tracepoint registration + * Fix: baddr deadlocks and RCU races + * Fix: lock exit mutex when creating threads + * Fix: baddr deadlock with lttng-ust destructor + * baddr: include missing header + * baddr: get session under lock + * Fix: take the ust lock around session iteration in statedump + * Fix: baddr_statedump deadlock with JUL tracing + * Fix: client_packet_header() uses wrong packet + * Cleanup: fix typo in ring buffer backend comment + * Compile liblttng-ust-baddr c files into liblttng-ust + * Allow suppressing of base-address-state tracing + * Integrate base-address statedump into lttng-ust + * Fix: eliminate timestamp overlap between packets + * Fix: lttng-gen-tp to build out of tree + * Fix: compile doc/ after JUL/Java + * JUL: add Hello.java in doc/examples + * Fix lttng-ust(3) manpage + * JUL: fix enable all event for delayed Logger + * Fix: typo in JNICALL for the JUL tracepoint + * Fix: move va_end to outermost label + * Fix: add missing NULL check after allocation + * Fix cleanup: all spaces before flags + * fix: lttng-gen-tp: add missing spaces around flags + +2013-11-15 lttng-ust 2.4.0-rc1 + * doc/examples: error out when a subdir make fails + * JUL: fix out of tree build + * Java/jul: fix make dist + * JUL: install documentation and jar file + * Add missing copyrights to test scripts + * Escape minus signs in lttng-ust-cyg-profile manpage + * Fix spelling mistake in lttng-ust manpage + * Fix tests/benchmark + * Implement base-address-state tracing + * Base-address tracing for dlopen and dlclose + * Add a check against excluders + * Add handler for LTTNG_UST_EXCLUSION in UST ABI + * Store exclusions to enablers + * Add excluders to enabler structure + * Send exclusion data through ustcomm + * Define exclusion structure for UST ABI + * Define a new command LTTNG_UST_EXCLUSION + * Fix: package of LTTngUst.h was renamed without renaming target in makefile + * Fix: check for java .class in package subfolders + * Fix: java library to use user define JDK at compile time + * Add liblttng-ust-jul for JUL support + * Fix: application SIGBUS when starting in parallel with sessiond + * Fix: Minor corrections to the lttng-ust man page + * Documentation cleanup: Overhaul of the lttng-gen-tp man page + * Warning cleanup: add missing padding initializer + * Fix: socket connect hang on heavy loads + * Cleanup: fix typo + * Fix: ust-comm recvmsg should handle partial receive + * gcc warning fix: -Wextra + * Add usage reference count for tracepoints + * tracepoint.c: Move add_callsite/remove_callsite further down in file + * Store the callsites into the library callsite list + * Fix linking warning + * Per-stream ioctl to get the current timestamp + * LTTng ringbuffer ABI calls for index generation + * Specialize lttng_ust_lib_ring_buffer_client_cb + * Add tracing instrumentation for pthread mutex lock functions + +2013-09-03 lttng-ust 2.3.0 + * No change + +2013-08-30 lttng-ust 2.3.0-rc2 + * doc/examples/gen-tp: pass automake CPPFLAGS/CFLAGS/LDFLAGS + * tools/lttng-gen-tp: honor CPPFLAGS and LDFLAGS + * Fix: doc/examples cross-build + * Fix: liblttng_ust.la should depend on liblttng-ust-tracepoint.la + * Introduce configure --with-lttng-system-rundir + * examples: tracepoint probes don't need extern C + * Tracepoint probes don't need extern C + * Add trace support for memalign and posix_memalign + * malloc instrumentation: remove dependency on pthread + * Add trace support for calloc and realloc. + * Fix: allow make check to run in VPATH build + * Update .gitignore + * Update obsolete benchmark test + * Cleanup tests (2nd commit) + * Cleanup tests + * Fix: doc/examples VPATH build + +2013-07-17 lttng-ust 2.3.0-rc1 + * Fix: Unchecked asprintf/vasprintf return values + * Missing NULL pointer init in tap.c + * Disable doc/examples build + * Add python3 support to lttng-gen-tp + * Bump ABI major to 5 + * callsite: add "ip" context + * Allow environment variable LTTNG_HOME to override HOME + * Fix: libs order in Makefile + * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter + * Introduce ustctl_write_one_packet_to_channel + * build: Fix out-of-tree build + * Fix: SWITCH_FLUSH new sub-buffer checks + * Fix: ring buffer: handle concurrent update in nested buffer wrap around check + * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size() + * Fix: doc/examples: gen-tp path + * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()" + * Fix: handle writes of length 0 + * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end() + * Fix: lttng-events VPATH build + * Allow #include in template (.tp) file + * tests/hello.cxx: rename tp.cpp into tp-cpp.cpp + * doc/examples: build gen-tp example by default + * doc/examples: support BSD make + * Tracepoint.h: replace assertion by fprintf and abort() + * Remove unused assert.h from bitfield.h + * Clarify probe registration documentation/errors + * Fix: Check C++ designated initializers support before compiling 'hello.cxx' test + * Add mising include in ust.h + * lttng-gen-tp: Fix include guard name with file using non valid characters + * Fix: segfault when print invalid command + * Fix: Add --no-as-needed to the demo example's Makefile + * zmalloc: attribute always_inline + * Fix: liblttng-ust process startup hang when sessiond is stopped + * Move include directive from CFLAGS to LOCAL_CPPFLAGS in examples' Makefiles + * Allow tracepoint providers to be compiled with g++ + * Add parameter -f to rm in Makefile clean target + * Fix: missing dependency for liblttng-ust-tracepoint.so + * Remove 0.x TODO + * Add warning about default prefix and library paths to README + * Revert "Revert "Fix (another) linker library order"" + * Revert "Revert "Fix linker library order"" + * snprintf: play nice with static checker + * tracepoint.c: Add coverity alloc/free annotations + * Fix: "fields" leak on register + * Fix: memory leak for events without fields + * Fix: memory leak on connection reset + * Revert "Fix linker library order" + * Revert "Fix (another) linker library order" + * Fix: incorrect support for multi-context + * Fix (another) linker library order + * Fix typo in run script + * Fix linker library order + * Fix examples: add missing CPPFLAGS + * example Makefiles: standardize on $^ for linking + * Fix demo example Makefile + * Move "hello-static-lib" to doc/examples and add non-automake Makefiles + +2013-05-09 lttng-ust 2.2.0-rc2 + * manpage: Document probe provider compatibility + * Fix: add provider ABI compatibility check + * Cleanup: ignore mktemp return value + * Cleanup: documentation: argument vs field + * Documentation: document undefined behavior for NULL pointers + * Cleanup: silence cppcheck error + * Fix: add internal mutex for timer + * 32-bit warning fix for cyg profile fast + * Fix warnings for 32-bit in lttng-ust-cyg-profile + * Typo fix in README + * Fix: tracepoint.h incorrect assumption about constructor order + * Cleanup: comment mismatch with code + * Fix: ABI breakage between 2.1 and 2.2-rc1 + * Documentation: document that sequence len field is unsigned + * connect: don't report EACCES + * connect: don't print error on EPERM + * Bump liblttng-ust-ctl lib version major number + * Optimisation: implement callsite hash table in tracepoint.c + * Optimisation: only update added library in tracepoint.c + * Optimisation: only fix pending events once per lazy update + +2013-03-28 lttng-ust 2.2.0-rc1 + * Fix: tracepoint instrumentation constructor order issue + * Documentation: update 2.0 to 2.x + * Add demo test back as an example + * Don't rely on explicit context for filtering + * Implement per-context filtering + * Fix: filter string comparison should check for literal + * update tests/demo readme file + * Add man page for lttng-ust-cyg-profile + * Fix: filter string wildcard comparison + * Fix: Remove test runner script + * Fix: forwarding of call_site argument to field + * Add demo README + * Tests: Use Perl prove as the testsuite runner + * Remove tests depending on consumerd + * Convert hello.cxx test to a build test + * Clean-up of configure.ac and tests/Makefile.am + * Fix snprintf test and output result to TAP format + * Replace same_line_marker test with same_line_tracepoint + * Remove tests-libustinstr-malloc + * Remove exit-fast test + * Remove fork test + * Remove daemon test + * Remove demo test + * Remove outdated test-nevents test + * Remove outdated simple_include test + * Remove outdated register_test test + * Convert hello-static-lib test to a build test + * Convert hello test to a build test only + * Remove outdated libustctl_function_tests test + * Remove outdated test hello2 + * Remove outdated dlopen test + * Remove outdated test basic long + * Remove outdated test basic + * cyg_profile: implement fast and verbose .so + * Performance: add unlikely to tracepoint dynamic linking test + * Fix: _LGPL_SOURCE rcu dereference fix + * Implement liblttng-ust-cyg-profile function entry/exit instrumentation + * Minor fix: libc wrapper internal run script + * Fix: ustctl_recv_register_event pointer mixup + * Fix: allow enabling same events for two channels + * Add channel ID field to attr + * Remove useless else clause + * tracepoint: move "probe" test outside of loop + * Fix uninitialized has_loglevel variable + * Fix clang warnings + * Cleanup: work-around clang unused result warning + * Cleanup compile warning + * Cleanup: remove unused variables + * tracepoint: Don't add NULL probes + * Remove mention of locking issues associated with dlopen usage + * Implement read timer (for RT) + * Only flush when there are readers active + * Add mutex for channel wakeup fd update + * Fix: fields should be initialized to NULL + * Implement ustctl_duplicate_ust_object_data + * Add channel wakeup fd to monitor close + * Fix: refcount issue in lttng-ust-abi.c + * Fix: only consumerd should print errors + * Implement ring buffer periodic buffer switch timer + * Fix: ensure all probe providers have their symbols + * Reactivate error printing + * Unregister tracepoint probes when not needed + * Cleanup: remove now unused metadata code from UST + * Fix: notification timeout logic + * Fix: don't print error in comm proto connect on ENOENT + * Fix: return expected error return values for sessiond + * Fix: set wait/wake fd to -1 before close + * Fix: Only notify socket should have timeout/nonblock + * Fix: ustctl: return -EPIPE to sessiond if connection is closed + * Fix: Add timeout on notification socket + * Remove now unused metadata printf code + * Move metadata creation into lttng-sessiond and lttng-consumed + * Add write metadata API to ust-ctl.h + * Move UST registry into sessiond and implement notifiers + * Fix: don't flush-final for offset 0 if reader is on sub-buffer + * Use tp rcu link test in provider + * Remove direct dependency of probes on urcu-bp + * Use urcu tls-compat.h + * Lazy provider registration + * Always use lttng_get_probe_list_head to get probe list + * Fix static build + * Move LTTng-UST buffer ownership from application to consumer + * Fix package: don't distribute generated headers + * Fix: don't cancel already exited threads + * Scalability fix: tracepoint.c hash table size increase + * Scalability fix for many events: event hash table size + * Speed up probe registration for large amount of events + * Add missing demo-trace shell script to dist tarball + * Documentation: add uuid package name for Fedora in README + * Fix: missing test for lttng_ust_comm_should_quit in lttng-ust-comm.c + * Add compilation support for Tile architectures + * Documentation: clarify debian package name for uuid in README + * Fix: comment in ust-ctl.h + * Fix I/O-related error values in ustctl + * Introduce hash table for lttng_create_event_if_missing() + * Fix: don't build C++ example if a C++ compiler isn't available + * Remove LIBFORMAT output in configure. + * Document dependency on libuuid + +2012-12-20 (13th Baktun) lttng-ust 2.1.0 + * Bump liblttng-ust-ctl lib version major number + * Bump UST proto version minor number + * Helper to debug: add object name + * Tests: Fix rundir not created in ust-basic-tracing + * ust test: add missing return -1 + * Test: update ust tracing unit tests to 2.1 internal ABI + * Tests: Fix rundir not created in ust-multi-test + * Adapt internal files and examples to TRACEPOINT_INCLUDE + * Adapt tests to TRACEPOINT_INCLUDE + * Cleanup: tests remove hello.cxx/ust_tests_demo.h + * Fix: don't do macro expansion in tracepoint file name + * Fix lttng-gen-tp: Template file must end in .tp + * Pack structures in comm protocol between UST and sessiond + * Cleanup lttng-gen-tp: Help not showing when using -h,--help + * Cleanup lttng-gen-tp: remove leading underscore before include guard + * fix memleak: ustctl free shadow chan on ustctl_unmap_channel() + * Update license text + * Fix: check if event enabled for bytecode-less events + * Fix: handle enablers without bytecode + * Print probe provider mismatch error even without -Wsystem-headers + * filter: Add missing padding + +2012-11-22 lttng-ust 2.1.0-rc2 + * filter interpreter cleanup: use uint64_t for retval + * Fix: filter linking can dereference NULL pointer on alloc failure + * Cleanup: remove whitespaces and EOL in tests + * Filter: use only single lower bit of filter return value + * Fix: filter: var len array at end of external structure + * Fix: filter link fail handling + * Fix: add missing seqnum field to filter + * filters: perform union rather than intersection + * Implement support for overlapping wildcard/events + * Cleanup: add lttng_/lttng-/LTTNG_ prefixes + * filter: add seqnum field to filter command + * Filter iteration: iterate on list of filters + * document that tracepoint names should ideally not be re-used + * Remove LIBFORMAT config declaration, unused + * Add libc errno translation layer to UST error code + * Fix: add const qualifier for filter local void * + * Fix: re-allow non-lvalue string, sequence, array parameters + * Tear down handles associated with a closed sessiond socket + * Distinguish UST return codes from transport return codes + * Fix: Conditionally disable tests requiring shared libs support + * Cleanup: don't spawn per-user thread if HOME is not set + * Manpage: document supported UST contexts + * Fix: procname context semantic + * Fix: Fix self-assign warning on struct ustfork_clone_info init + * Fix: memcpy of string is larger than source + * Implement liblttng-ust-fork daemon() override test + * liblttng-ust-fork: override daemon() call + * ustfork: set errno to ENOSYS if symbol lookup fails + * Fix: be quiet on filter linker error + * Build out of src tree + * Fix: filter bytecode specializer stack leak + * Fix: reloc offset validation error out on filters with no reloc table + * Perform calculation on bit size in 64-bit + * Use uint64_t for packet header content size and packet size + * Fix: manpage typo "-lllttng-ust" -> "-llttng-ust" + * Fix: BSD getprogname null pointer dereference + * Add support for model.emf.uri event info + * Filter error message cleanup + * Manpage update: document use in daemons + * Fix: get_wait_shm() ust mutex deadlock (add 2 missing exit calls) + * Fix: get_wait_shm() ust mutex deadlock + * Fix: add events with 0 field to field list + +2012-09-10 lttng-ust 2.1.0-rc1 + * Fix make dist: fix liblttng-ust-java dependencies + * Fix make dist: add missing filter header + * Fix: backward compatibility with UST 2.0 app probes + * Fix: Filter ABI changes to support FILTER_BYTECODE_MAX_LEN (65536) + * Export "written" information about fields + * Fix filter: pointer to string, not string, should be on stack + * Fix: tracepoint float nowrite + * Fix: accept 65536 bytes long bytecodes + * Add hostname to env + * ABI change: bump internal version to 3.0.0 + * Fix: threads should be created in DETACHED state + * Fix: 32-bit x86 strict-aliasing warnings + * Fix UST SIGPIPE handling + * Fix: Libtool fails to find dependent libraries when cross-compiling lttng-ust + * Cleanup: filter: turn bytecode linking error msg into debug + * Make lttng-ust robust against -finstrument-functions. + * Filter: keep aliased ax and bx registers + * Filter: remove interpreter dynamic typing + * Filter: add missing specialized op names + * Filter: specialize double-s64 binary comparators + * Fix filter: fix stack leak on taken branch + * Filter: Implement stack-based interpreter + * Filter: double comparator produces s64 + * Filter: use hash table to check merge points + * Filter: split passes into separate components + * Filter: cleanup macros + * Filter: validate range overflow with end of insn + * Filter: validate that field ref strings are non-NULL + * Filter: ensure logical operator merge is always s64 + * Filter: we don't care if double/s64 are literals + * Filter: specialize 'and' and 'or' ops. + * Implement dispatch-table based interpretor + * Filter: Specialize unary operators + * Define switch use as macro in interpreter + * Filter interpreter: mark float test as unlikely + * Filter: fix bytecode validation typo + * Filter: specialize comparators + * Specialize load and unary ops + * Validate registers, no need to initialize to 0 + * Filter: opcode for ref loads + * Remove redundant validation from interpreter + * filter: Add bytecode validation pass + * TRACEPOINT_EVENT: add *_nowrite fields for filter + * Only print filter errors if LTTNG_UST_DEBUG is set + * Cleanup: remove debug define + * Filter: add floating point support + * Remove filter test printouts + * Implement filter bytecode interpreter and linker + * Filter: receive, attach and link empty filter + * Filter: prepare filter stack data + * Wrap dynamic len array into stackvar union + * liblttng-ust-comm/lttng-ust-com.c: remove unnecessary goto in ustcomm_accept_unix_sock() + * liblttng-ust/lttng-ust-comm.c: fixing typo. + * Fix: remove unused texinfo dep from configure.ac + * Fix C99 strict compatibility: don't use void * for function pointers + * Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions + * Revert "Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions" + * Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions + * Fix: perform TLS fixup of nest count outside of UST mutex + * Fix: liblttng-ust-fork deadlock + * Fix: handle pthread errors + * Fix: local apps allowed should disable local (not global) tracing + * Fix strict ISO-C compatibility for ust-tracepoint-event.h public header + * Fix: support -std=c99 in tracepoint macros + * Fix c99 compatibility: use __typeof__ instead of typeof in public headers + * hello test: fail on old style definition + * Fix: tracepoint.h should not generate old-style definitions + * Fix: don't define variables in headers + * test "hello": add boolean test + * Fix: perform macro expansion on tracepoint signatures + * UST check pointer/de-reference order + * Fix list field: handle error + * Implement event fields listing + * Implement field listing command + * Fix: Block all signals in listener thread + * Add CodingStyle document to tarball + * Add coding style document + * endian.h: support cygwin + * align.h: support cygwin page size + * Add cygwin support to libringbuffer getcpu.h + * Add "2x int" and "2x long" types to the Java interface + * Add Integer and Long tracepoint types to the Java interface + * Fix: don't SIGBUS when filesystem is full + * tracepoint: include stdio.h for NULL definition + * manpage update: document that probes need gcc + * Fix: remove # in front on extern "C" { + * Cleanup: don't use GNU old-style field designator extension + * Fix: remove padding field after variable sized array + * Use unsigned long type for events discarded counter + * Fix: getcpu build with modern uClibc versions + * Fix: lttng-ust.pc needs to specify -ldl + * Fix: examples Makefiles should pass $(LIBS) at last + * Build a jar for the Java side of the JNI interface + * Fix: ustctl need to send the second fd upon error of 1st fd + * Fix: Add missing fork test program dependency library + * Fix: Make the JNI interface actually work + * Merge branch 'dev' + * Fix: stringify version description + +2012-03-29 lttng-ust 2.0.1 + * Use bsd-compatible fcntl for close-on-exec on socket + * Fix multi-session wildcard support + * Fix event lost count when buffer is full + * Remove inappropriate \n from easy-ust sample + +2012-03-20 lttng-ust 2.0.0 + * First STABLE version + * Add version name + +2012-03-20 lttng-ust 2.0.0-rc4 + * Fix out-of-bound write in ltt-events.c + * Document LTTNG_UST_DEBUG_VALGRIND compilation flag + * Update COPYING + * Add exception handling to lttng-gen-tp io operations + +2012-03-16 lttng-ust 2.0.0-rc3 + * Fix: sendmsg should retry on EINTR, and use MSG_NOSIGNAL + * fix: ustcomm_close_unix_sock should close, not shutdown + * Fix: do not print EPIPE perror, as it is an expected error + * Ensure that multiplication of clock offset is done on 64-bit + * Add 2 missing licenses in deprecated tests + * Remove unbuild and unused (deprecated) make_shared_lib test + * License text standardization, add missing licenses + * Cleanup: remove duplicate check for 0 num_subbuf and subbuf_size + * Fix: power of 2 size check should apply to size_t type, not uint32_t + * Fix: recvmsg should handle EINTR + * Make lttng-gen-tp work on python 2.6 + * Make lttng-gen-tp executable + +2012-03-02 lttng-ust 2.0.0-rc2 + * Manpage fixes + * Fix: dmesg printout should not print metadata warnings + * Fix: use transport name as channel name + * Fix: Add signature check in tracepoint activation + * Fix: add tracepoint signature at tracepoint definition site + * Fix: keep event probe signature, for use by event probe signature check + * Fix ABI: add padding to structures shared between UST and consumer + * Fix ABI: add padding to tracepoint and ring buffer config public structu + * Fix ABI: Adding missing padding in tracepoint event structures + * Fix: Add include/lttng/ust-config.h to git ignore + * Fix effect: update README about dlopen() + * Fix: fixup vtid TLS + * Fix: fixup ringbuffer tls at constructor by forcing read + * Fix: fix deadlock with dlopen() lttng-ust + * Fix: only print event errors every 1048576 hits + * Fix: add missing debug printout to identify the cause of lost events + * fix: liblttng-ust-ctl should check for incorrect parameters + * fix: ust comm error handling segfault + * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_ + * fix: on exit, leave thread/mmap reclaim to OS + * fix: Handle sys_futex with async cancel, add missing pthread_join + * fix: Only munmap the wait page when not exiting from process + * Use CPPFLAGS instead of CFLAGS for -I + * Fix type range comparison always false for 64-bit arch + * demo: remove useless libs + * tests: include missing headers + * Add missing limits.h include for NAME_MAX + +2012-02-20 lttng-ust 2.0.0-rc1 + * Standardize version across toolchain + * Fix a typo in gen-tp Makefile + * Implement the .o file generation in lttng-gen-tp + +2012-02-16 lttng-ust 1.9.8 + * Fix comment in tracepoint.h + * Add loglevel info to manpage + * Remove stale binary file + * Add lttng-ust(3) + * Add a man page for lttng-gen-tp + * Install easy-ust and gen-tp examples in doc/ + * Create the lttng-gen-tp tools as an helper to generate UST .h and .c files + * Add missing #define _GNU_SOURCE for sched_getcpu() + * Define _GNU_SOURCE for all implementation files rather than getcpu.h + * Add sched_getcpu and sysconf to AC_CHECK_FUNCS + * Mark lib_ring_buffer_print_errors unused + * Cleanup: remove extra space from easy_ust example + * Add missing comma to tracepoint STAP_PROBEV call + +2012-02-13 lttng-ust 1.9.7 + * liblttng-ust-java: add missing -classpath ./ + * Only specify that sdt.h provides system integration for now + * Add STAP_PROBEV check ton configure.ac + * Add sdt.h integration + * Remove extern C around probe header + * Move lttng/config.h to lttng/ust-config.h, and use LTTNG_UST_ namespace + * Add a configure report at the end of the output + * Add sdt.h integration option + * Set default loglevel in metadata + * Fix: LTTng-UST java jni wrapper does not build with OpenJDK + +2012-02-09 lttng-ust 1.9.6 + * Fix tracepoint.h multiple .o within module/core exec linkage bug + * tracepoint: name -> _name to fix possible namespace clash + * Add debug printout to tracepoint.c + * Rename liblttng-ust-libc to liblttng-ust-libc-wrapper + * Update hardcoded loglevel + * Add "easy_ust" example + * Update gitignore + * Zero-initialize struct msghdr + * Add environment information + * Fix event-specific enabling + * Update static lib linking + * liblttng-ust-libc: fix linking + * liblttng-ust-libc: fix lib dependency + * Install README and ChangeLog into system doc + * Add hello-static-lib test + * Fix static provider linking: introduce TRACEPOINT_PROBE_DYNAMIC_LINKAGE + * Fix 32-bit type: allocated len is used + * Fix 32-bit type mismatch + +2012-02-02 lttng-ust 1.9.5 + * UST comm ABI: Add padding, push version to 2.0 + * Update loglevel names + * Implement loglevels as event and wildcard attributes + * Update loglevel ABI: only loglevel value/enum is known by UST + * Pre-assign fixed loglevels + * Remove old (now unused) loglevel control code entirely + * Update loglevel selection ABI + * Use boot_id as monotonic clock uuid + * clock: add clock description to metadata + * Properly fix the timekeeping overflow detection + * Revert "Fix timestamps for slow-paced event rates" + * Revert "Force 64-bit timestamps" + * Declare struct lttng_ust_calibrate + * Force 64-bit timestamps + * demo program: ensure we don't link demo on useless libs + * ust comm: Receive second FD even if 1st receive failed + * ust consumer: close shm fd after mapping it + * Add a comment about which wait fd is closed early by UST. + * Remove leftover structure in ust-abi.h + * Close stream and channel file descriptors as soon as passed to + sessiond + * Fix AC_LANG_SOURCE usage: only takes one parameter + * Fix timestamps for slow-paced event rates + * configure.ac: Use AC_LANG_SOURCE for if else macros + * Add execution instructions to the demo test program + * Force the building of shared noinst libraries in the demo test + program. + * Only print the futex perror in debug mode + +2011-12-23 lttng-ust 1.9.4 + * Split liblttng-ust into liblttng-ust and liblttng-ust-tracepoint libs + * Comment the union field (only used in call_rcu scheme) + +2011-12-21 lttng-ust 1.9.3 + * Fix clock source overflow on 32-bit archs + * Remove unused trace_clock_frequency + * check for negative wait() return value + * Add DBG message when registering a probe + * Only show futex warning "perror" in debug mode + +2011-12-14 lttng-ust 1.9.2 + * Add missing ust_libc.h to Makefile.am + * Use DBG instead of WARN for futex_wake workaround message + * Make dlopen more robust by using the .0 target for the library + +2011-12-13 lttng-ust 1.9.1 + * First LTTng-UST 2.0 prerelease. diff --git a/CodingStyle b/CodingStyle new file mode 100644 index 0000000..4fe2bdf --- /dev/null +++ b/CodingStyle @@ -0,0 +1,10 @@ +LTTng-UST Coding Style + +The coding style used for this project follows the the Linux kernel +guide lines. Please refer to: + +- Linux kernel Documentation/CodingStyle document for details, +- Linux kernel scripts/checkpatch.pl for a script which verify the patch + coding style. + +Mathieu Desnoyers, May 30, 2012 diff --git a/Makefile.am b/Makefile.am new file mode 100644 index 0000000..1db7480 --- /dev/null +++ b/Makefile.am @@ -0,0 +1,42 @@ +ACLOCAL_AMFLAGS = -I config + +SUBDIRS = . include snprintf libringbuffer liblttng-ust-comm \ + liblttng-ust \ + liblttng-ust-ctl \ + liblttng-ust-fork \ + liblttng-ust-libc-wrapper \ + liblttng-ust-cyg-profile \ + liblttng-ust-python-agent \ + tools + +if HAVE_DLINFO +SUBDIRS += liblttng-ust-dl +endif + +if BUILD_JNI_INTERFACE +SUBDIRS += liblttng-ust-java +endif + +if BUILD_JAVA_AGENT +SUBDIRS += liblttng-ust-java-agent +endif + +if BUILD_PYTHON_AGENT +SUBDIRS += python-lttngust +endif + +SUBDIRS += tests doc + +#temporarily disabled +# liblttng-ust-malloc + +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = lttng-ust.pc + +dist_doc_DATA = README.md ChangeLog + +dist_noinst_DATA = CodingStyle + +check-loop: + cd tests && $(MAKE) $(AM_MAKEFLAGS) check-loop +.PHONY: check-loop diff --git a/Makefile.in b/Makefile.in new file mode 100644 index 0000000..6f2fab6 --- /dev/null +++ b/Makefile.in @@ -0,0 +1,983 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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LTTng-UST also includes a logging +back-end for Java applications and various dynamically loadable +user space tracing helpers for any application. + + +Prerequisites +------------- + +LTTng-UST depends on [liburcu](http://liburcu.org/) v0.7.2 at build and +run times. + + +Building +-------- + +### Prerequisites + +This source tree is based on the Autotools suite from GNU to simplify +portability. Here are some things you should have on your system in order to +compile the Git repository tree: + + - [GNU Autotools](http://www.gnu.org/software/autoconf/) + (**Automake >= 1.10**, **Autoconf >= 2.50**, + **Autoheader >= 2.50**; + make sure your system-wide `automake` points to a recent version!) + - **[GNU Libtool](https://www.gnu.org/software/libtool/) >= 2.2** + + +### Optional dependencies + +Optional packages to build LTTng-ust man pages: + + - **[AsciiDoc](http://www.methods.co.nz/asciidoc/) >= 8.4.5** + (previous versions may work, but were not tested) + - **[xmlto](https://fedorahosted.org/xmlto/) >= 0.0.21** (previous + versions may work, but were not tested) + +Note that the man pages are already built in a distribution tarball. +In this case, you only need AsciiDoc and xmlto if you indend to modify +the AsciiDoc man page sources. + +Needed for `make check` and tests: + + - **[Perl](https://www.perl.org/)** + + +### Building steps + +If you get the tree from the Git repository, you will need to run + + ./bootstrap + +in its root. It calls all the GNU tools needed to prepare the tree +configuration. + +To build LTTng-UST, do: + + ./configure + make + sudo make install + sudo ldconfig + +**Note:** the `configure` script sets `/usr/local` as the default prefix for +files it installs. However, this path is not part of most distributions' +default library path, which will cause builds depending on `liblttng-ust` +to fail unless `-L/usr/local/lib` is added to `LDFLAGS`. You may provide a +custom prefix to `configure` by using the `--prefix` switch +(e.g., `--prefix=/usr`). LTTng-UST needs to be a shared library, _even if_ +the tracepoint probe provider is statically linked into the application. + + +Using +----- + +First of all, create an instrumentation header following the +[tracepoint examples](doc/examples). + +There are two ways to compile the tracepoint provider and link it with +your application: statically or dynamically. Please follow carefully one +or the other method. + + +### Static linking + +This method links the tracepoint provider with the application, +either directly or through a static library (`.a`): + + 1. Into exactly one unit (C/C++ source file) of your _application_, + define `TRACEPOINT_DEFINE` and include the tracepoint provider + header. + 2. Include the tracepoint provider header into all C/C++ files using + the provider and insert tracepoints using the `tracepoint()` macro. + 3. Use `-I.` when compiling the unit defining `TRACEPOINT_DEFINE` + (e.g., `tp.c`). + 4. Link the application with `-ldl` on Linux, or with `-lc` on BSD, + and with `-llttng-ust`. + +Example: + + gcc -c -I. tp.c + gcc -c some-source.c + gcc -c other-source.c + gcc -o my-app tp.o some-source.o other-source.o -ldl -llttng-ust + +Run the application directly: + + ./my-app + +Other relevant examples: + + - [`doc/examples/easy-ust`](doc/examples/easy-ust) + - [`doc/examples/hello-static-lib`](doc/examples/hello-static-lib) + + +### Dynamic loading + +This method decouples the tracepoint provider from the application, +making it dynamically loadable. + + 1. Into exactly one unit of your _application_, define + `TRACEPOINT_DEFINE` _and_ `TRACEPOINT_PROBE_DYNAMIC_LINKAGE`, + then include the tracepoint provider header. + 2. Include the tracepoint provider header into all C/C++ files using + the provider and insert tracepoints using the `tracepoint()` macro. + 3. Use `-I.` and `-fpic` when compiling the tracepoint provider + (e.g., `tp.c`). + 4. Link the tracepoint provider with `-llttng-ust` and make it a + shared object with `-shared`. + 5. Link the application with `-ldl` on Linux, or with `-lc` on BSD. + +Example: + + gcc -c -I. -fpic tp.c + gcc -o tp.so -shared tp.o -llttng-ust + gcc -o my-app some-source.c other-source.c -ldl + +To run _without_ LTTng-UST support: + + ./my-app + +To run with LTTng-UST support (register your tracepoint provider, +`tp.so`): + + LD_PRELOAD=./tp.so ./my-app + +You could also use `libdl` directly in your application and `dlopen()` +your tracepoint provider shared object (`tp.so`) to make LTTng-UST +tracing possible. + +Other relevant examples: + + - [`doc/examples/demo`](doc/examples/demo) + + +### Controlling tracing and viewing traces + +Use [LTTng-tools](https://lttng.org/download) to control the tracer. +Use [Babeltrace](https://lttng.org/babeltrace) to print traces as a +human-readable text log. + + +### Environment variables and compile flags + + - `liblttng-ust` debug can be activated by setting the environment + variable `LTTNG_UST_DEBUG` when launching the user application. It + can also be enabled at build time by compiling LTTng-UST with + `-DLTTNG_UST_DEBUG`. + - The environment variable `LTTNG_UST_REGISTER_TIMEOUT` can be used to + specify how long the applications should wait for the session + daemon _registration done_ command before proceeding to execute the + main program. The default is 3000 ms (3 seconds). The timeout value + is specified in milliseconds. The value 0 means _don't wait_. The + value -1 means _wait forever_. Setting this environment variable to 0 + is recommended for applications with time constraints on the process + startup time. + - The compilation flag `-DLTTNG_UST_DEBUG_VALGRIND` should be enabled + at build time to allow `liblttng-ust` to be used with Valgrind + (side-effect: disables per-CPU buffering). + + +### Notes + +#### C++ support + +Since LTTng-UST 2.3, both tracepoints and tracepoint providers can be +compiled in C++. To compile tracepoint probes in C++, you need +G++ >= 4.7 or Clang. + + +Contact +------- + +Maintainer: [Mathieu Desnoyers](mailto:mathieu.desnoyers@efficios.com) + +Mailing list: [`lttng-dev@lists.lttng.org`](https://lttng.org/cgi-bin/mailman/listinfo/lttng-dev) + + +Package contents +---------------- + +This package contains the following elements: + + - `doc`: LTTng-UST documentation and examples. + - `include`: the public header files that will be installed on the + system. + - `liblttng-ust`: the actual userspace tracing library that must be + linked to the instrumented programs. + - `liblttng-ust-comm`: a static library shared between `liblttng-ust` + and LTTng-tools, that provides functions that allow these components + to communicate together. + - `liblttng-ust-ctl`: a library to control tracing in other processes; + used by LTTng-tools. + - `liblttng-ust-cyg-profile`: a library that can be preloaded (using + `LD_PRELOAD`) to instrument function entries and exits when the target + application is built with the GCC flag `-finstrument-functions`. + - `liblttng-ust-dl`: a library that can be preloaded to instrument + calls to `dlopen()` and `dlclose()`. + - `liblttng-ust-fork`: a library that is preloaded and that hijacks + calls to several system calls in order to trace across these calls. + It _has_ to be preloaded in order to hijack calls. In contrast, + `liblttng-ust` may be linked at build time. + - `liblttng-ust-java`: a simple library that uses JNI to allow tracing + in Java programs. + - `liblttng-ust-java-agent`: a package that includes a JNI library and a + JAR library to provide an LTTng-UST logging back-end for Java + applications using Java Util Logging or Log4j. + - `liblttng-ust-libc-wrapper`: an example library that can be + preloaded to instrument some calls to libc (currently `malloc()` and + `free()`) and to POSIX threads (mutexes currently instrumented) in + any program without need to recompile it. + - `liblttng-ust-python-agent`: a library used by python-lttngust to allow + tracing in Python applications. + - `libringbuffer`: the ring buffer implementation used within LTTng-UST. + - `python-lttngust`: a package to provide an LTTng-UST logging back-end + for Python applications using the standard logging framework. + - `snprintf`: an asynchronous signal-safe version of `snprintf()`. + - `tests`: various test programs. + - `tools`: home of `lttng-gen-tp`. diff --git a/aclocal.m4 b/aclocal.m4 new file mode 100644 index 0000000..0a74042 --- /dev/null +++ b/aclocal.m4 @@ -0,0 +1,1437 @@ +# generated automatically by aclocal 1.14.1 -*- Autoconf -*- + +# Copyright (C) 1996-2013 Free Software Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) +m4_ifndef([AC_AUTOCONF_VERSION], + [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl +m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, +[m4_warning([this file was generated for autoconf 2.69. +You have another version of autoconf. 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(2.0 was released on October 16, 2000). +AC_DEFUN([AM_PYTHON_CHECK_VERSION], + [prog="import sys +# split strings by '.' and convert to numeric. 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Accept space and tab only in the latter. +am_lf=' +' +case `pwd` in + *[[\\\"\#\$\&\'\`$am_lf]]*) + AC_MSG_ERROR([unsafe absolute working directory name]);; +esac +case $srcdir in + *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*) + AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);; +esac + +# Do 'set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + am_has_slept=no + for am_try in 1 2; do + echo "timestamp, slept: $am_has_slept" > conftest.file + set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` + if test "$[*]" = "X"; then + # -L didn't work. + set X `ls -t "$srcdir/configure" conftest.file` + fi + if test "$[*]" != "X $srcdir/configure conftest.file" \ + && test "$[*]" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken + alias in your environment]) + fi + if test "$[2]" = conftest.file || test $am_try -eq 2; then + break + fi + # Just in case. + sleep 1 + am_has_slept=yes + done + test "$[2]" = conftest.file + ) +then + # Ok. + : +else + AC_MSG_ERROR([newly created file is older than distributed files! +Check your system clock]) +fi +AC_MSG_RESULT([yes]) +# If we didn't sleep, we still need to ensure time stamps of config.status and +# generated files are strictly newer. +am_sleep_pid= +if grep 'slept: no' conftest.file >/dev/null 2>&1; then + ( sleep 1 ) & + am_sleep_pid=$! +fi +AC_CONFIG_COMMANDS_PRE( + [AC_MSG_CHECKING([that generated files are newer than configure]) + if test -n "$am_sleep_pid"; then + # Hide warnings about reused PIDs. + wait $am_sleep_pid 2>/dev/null + fi + AC_MSG_RESULT([done])]) +rm -f conftest.file +]) + +# Copyright (C) 2009-2013 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_SILENT_RULES([DEFAULT]) +# -------------------------- +# Enable less verbose build rules; with the default set to DEFAULT +# ("yes" being less verbose, "no" or empty being verbose). +AC_DEFUN([AM_SILENT_RULES], +[AC_ARG_ENABLE([silent-rules], [dnl +AS_HELP_STRING( + [--enable-silent-rules], + [less verbose build output (undo: "make V=1")]) +AS_HELP_STRING( + [--disable-silent-rules], + [verbose build output (undo: "make V=0")])dnl +]) +case $enable_silent_rules in @%:@ ((( + yes) AM_DEFAULT_VERBOSITY=0;; + no) AM_DEFAULT_VERBOSITY=1;; + *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);; +esac +dnl +dnl A few 'make' implementations (e.g., NonStop OS and NextStep) +dnl do not support nested variable expansions. +dnl See automake bug#9928 and bug#10237. +am_make=${MAKE-make} +AC_CACHE_CHECK([whether $am_make supports nested variables], + [am_cv_make_support_nested_variables], + [if AS_ECHO([['TRUE=$(BAR$(V)) +BAR0=false +BAR1=true +V=1 +am__doit: + @$(TRUE) +.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then + am_cv_make_support_nested_variables=yes +else + am_cv_make_support_nested_variables=no +fi]) +if test $am_cv_make_support_nested_variables = yes; then + dnl Using '$V' instead of '$(V)' breaks IRIX make. + AM_V='$(V)' + AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' +else + AM_V=$AM_DEFAULT_VERBOSITY + AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY +fi +AC_SUBST([AM_V])dnl +AM_SUBST_NOTMAKE([AM_V])dnl +AC_SUBST([AM_DEFAULT_V])dnl +AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl +AC_SUBST([AM_DEFAULT_VERBOSITY])dnl +AM_BACKSLASH='\' +AC_SUBST([AM_BACKSLASH])dnl +_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl +]) + +# Copyright (C) 2001-2013 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_PROG_INSTALL_STRIP +# --------------------- +# One issue with vendor 'install' (even GNU) is that you can't +# specify the program used to strip binaries. This is especially +# annoying in cross-compiling environments, where the build's strip +# is unlikely to handle the host's binaries. +# Fortunately install-sh will honor a STRIPPROG variable, so we +# always use install-sh in "make install-strip", and initialize +# STRIPPROG with the value of the STRIP variable (set by the user). +AC_DEFUN([AM_PROG_INSTALL_STRIP], +[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl +# Installed binaries are usually stripped using 'strip' when the user +# run "make install-strip". However 'strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the 'STRIP' environment variable to overrule this program. +dnl Don't test for $cross_compiling = yes, because it might be 'maybe'. +if test "$cross_compiling" != no; then + AC_CHECK_TOOL([STRIP], [strip], :) +fi +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" +AC_SUBST([INSTALL_STRIP_PROGRAM])]) + +# Copyright (C) 2006-2013 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_SUBST_NOTMAKE(VARIABLE) +# --------------------------- +# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in. +# This macro is traced by Automake. +AC_DEFUN([_AM_SUBST_NOTMAKE]) + +# AM_SUBST_NOTMAKE(VARIABLE) +# -------------------------- +# Public sister of _AM_SUBST_NOTMAKE. +AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)]) + +# Check how to create a tarball. -*- Autoconf -*- + +# Copyright (C) 2004-2013 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_PROG_TAR(FORMAT) +# -------------------- +# Check how to create a tarball in format FORMAT. +# FORMAT should be one of 'v7', 'ustar', or 'pax'. +# +# Substitute a variable $(am__tar) that is a command +# writing to stdout a FORMAT-tarball containing the directory +# $tardir. +# tardir=directory && $(am__tar) > result.tar +# +# Substitute a variable $(am__untar) that extract such +# a tarball read from stdin. +# $(am__untar) < result.tar +# +AC_DEFUN([_AM_PROG_TAR], +[# Always define AMTAR for backward compatibility. Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AC_SUBST([AMTAR], ['$${TAR-tar}']) + +# We'll loop over all known methods to create a tar archive until one works. +_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' + +m4_if([$1], [v7], + [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], + + [m4_case([$1], + [ustar], + [# The POSIX 1988 'ustar' format is defined with fixed-size fields. + # There is notably a 21 bits limit for the UID and the GID. In fact, + # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 + # and bug#13588). + am_max_uid=2097151 # 2^21 - 1 + am_max_gid=$am_max_uid + # The $UID and $GID variables are not portable, so we need to resort + # to the POSIX-mandated id(1) utility. Errors in the 'id' calls + # below are definitely unexpected, so allow the users to see them + # (that is, avoid stderr redirection). + am_uid=`id -u || echo unknown` + am_gid=`id -g || echo unknown` + AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) + if test $am_uid -le $am_max_uid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi + AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) + if test $am_gid -le $am_max_gid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi], + + [pax], + [], + + [m4_fatal([Unknown tar format])]) + + AC_MSG_CHECKING([how to create a $1 tar archive]) + + # Go ahead even if we have the value already cached. We do so because we + # need to set the values for the 'am__tar' and 'am__untar' variables. + _am_tools=${am_cv_prog_tar_$1-$_am_tools} + + for _am_tool in $_am_tools; do + case $_am_tool in + gnutar) + for _am_tar in tar gnutar gtar; do + AM_RUN_LOG([$_am_tar --version]) && break + done + am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' + am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' + am__untar="$_am_tar -xf -" + ;; + plaintar) + # Must skip GNU tar: if it does not support --format= it doesn't create + # ustar tarball either. + (tar --version) >/dev/null 2>&1 && continue + am__tar='tar chf - "$$tardir"' + am__tar_='tar chf - "$tardir"' + am__untar='tar xf -' + ;; + pax) + am__tar='pax -L -x $1 -w "$$tardir"' + am__tar_='pax -L -x $1 -w "$tardir"' + am__untar='pax -r' + ;; + cpio) + am__tar='find "$$tardir" -print | cpio -o -H $1 -L' + am__tar_='find "$tardir" -print | cpio -o -H $1 -L' + am__untar='cpio -i -H $1 -d' + ;; + none) + am__tar=false + am__tar_=false + am__untar=false + ;; + esac + + # If the value was cached, stop now. We just wanted to have am__tar + # and am__untar set. + test -n "${am_cv_prog_tar_$1}" && break + + # tar/untar a dummy directory, and stop if the command works. + rm -rf conftest.dir + mkdir conftest.dir + echo GrepMe > conftest.dir/file + AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) + rm -rf conftest.dir + if test -s conftest.tar; then + AM_RUN_LOG([$am__untar /dev/null 2>&1 && break + fi + done + rm -rf conftest.dir + + AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) + AC_MSG_RESULT([$am_cv_prog_tar_$1])]) + +AC_SUBST([am__tar]) +AC_SUBST([am__untar]) +]) # _AM_PROG_TAR + +m4_include([config/ax_check_class.m4]) +m4_include([config/ax_check_classpath.m4]) +m4_include([config/ax_java_options.m4]) +m4_include([config/ax_jni_include_dir.m4]) +m4_include([config/ax_prog_jar.m4]) +m4_include([config/ax_prog_java.m4]) +m4_include([config/ax_prog_java_works.m4]) +m4_include([config/ax_prog_javac.m4]) +m4_include([config/ax_prog_javac_works.m4]) +m4_include([config/ax_prog_javah.m4]) +m4_include([config/ax_sys_weak_alias.m4]) +m4_include([config/ax_try_compile_java.m4]) +m4_include([config/libtool.m4]) +m4_include([config/ltoptions.m4]) +m4_include([config/ltsugar.m4]) +m4_include([config/ltversion.m4]) +m4_include([config/lt~obsolete.m4]) diff --git a/config.h.in b/config.h.in new file mode 100644 index 0000000..1b60097 --- /dev/null +++ b/config.h.in @@ -0,0 +1,149 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS */ +#undef CONFIG_LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS + +/* Define to 1 if you have the declaration of `RTLD_DI_LINKMAP', and to 0 if + you don't. */ +#undef HAVE_DECL_RTLD_DI_LINKMAP + +/* Define to 1 if you have the header file. */ +#undef HAVE_DLFCN_H + +/* Define to 1 if you have the `gettimeofday' function. */ +#undef HAVE_GETTIMEOFDAY + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the `pthread' library (-lpthread). */ +#undef HAVE_LIBPTHREAD + +/* Define to 1 if you have the `urcu-bp' library (-lurcu-bp). */ +#undef HAVE_LIBURCU_BP + +/* Define to 1 if you have the `urcu-cds' library (-lurcu-cds). */ +#undef HAVE_LIBURCU_CDS + +/* Define to 1 if you have the header file. */ +#undef HAVE_LINUX_PERF_EVENT_H + +/* Define to 1 if your system has a GNU libc compatible `malloc' function, and + to 0 otherwise. */ +#undef HAVE_MALLOC + +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the `munmap' function. */ +#undef HAVE_MUNMAP + +/* Define to 1 if you have the `sched_getcpu' function. */ +#undef HAVE_SCHED_GETCPU + +/* Define to 1 if you have the `socket' function. */ +#undef HAVE_SOCKET + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the `strerror' function. */ +#undef HAVE_STRERROR + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the `strtol' function. */ +#undef HAVE_STRTOL + +/* Define to 1 if you have the `sysconf' function. */ +#undef HAVE_SYSCONF + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define this if your system can create weak aliases */ +#undef HAVE_SYS_WEAK_ALIAS + +/* Define this if weak aliases may be created with __attribute__ */ +#undef HAVE_SYS_WEAK_ALIAS_ATTRIBUTE + +/* Define this if weak aliases may be created with #pragma _CRI duplicate */ +#undef HAVE_SYS_WEAK_ALIAS_CRIDUPLICATE + +/* Define this if weak aliases in other files are honored */ +#undef HAVE_SYS_WEAK_ALIAS_CROSSFILE + +/* Define this if weak aliases may be created with #pragma _HP_SECONDARY_DEF + */ +#undef HAVE_SYS_WEAK_ALIAS_HPSECONDARY + +/* Define this if weak aliases may be created with #pragma weak */ +#undef HAVE_SYS_WEAK_ALIAS_PRAGMA + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_URCU_BP_H + +/* LTTng system runtime directory */ +#undef LTTNG_SYSTEM_RUNDIR + +/* Use efficient unaligned access. */ +#undef LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS + +/* Perf event integration via perf_event.h */ +#undef LTTNG_UST_HAVE_PERF_EVENT + +/* SystemTap integration via sdt.h */ +#undef LTTNG_UST_HAVE_SDT_INTEGRATION + +/* Define to the sub-directory in which libtool stores uninstalled libraries. + */ +#undef LT_OBJDIR + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Version number of package */ +#undef VERSION + +/* Define to `__inline__' or `__inline' if that's what the C compiler + calls it, or to nothing if 'inline' is not supported under any name. */ +#ifndef __cplusplus +#undef inline +#endif + +/* Define to rpl_malloc if the replacement function should be used. */ +#undef malloc diff --git a/config/ax_check_class.m4 b/config/ax_check_class.m4 new file mode 100644 index 0000000..42b51d7 --- /dev/null +++ b/config/ax_check_class.m4 @@ -0,0 +1,144 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_check_class.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CHECK_CLASS +# +# DESCRIPTION +# +# AX_CHECK_CLASS tests the existence of a given Java class, either in a +# jar or in a '.class' file. +# +# *Warning*: its success or failure can depend on a proper setting of the +# CLASSPATH env. variable. +# +# Note: This is part of the set of autoconf M4 macros for Java programs. +# It is VERY IMPORTANT that you download the whole set, some macros depend +# on other. Unfortunately, the autoconf archive does not support the +# concept of set of macros, so I had to break it for submission. The +# general documentation, as well as the sample configure.in, is included +# in the AX_PROG_JAVA macro. +# +# LICENSE +# +# Copyright (c) 2008 Stephane Bortzmeyer +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 7 + +AU_ALIAS([AC_CHECK_CLASS], [AX_CHECK_CLASS]) +AC_DEFUN([AX_CHECK_CLASS],[ +AC_REQUIRE([AX_PROG_JAVA]) +ac_var_name=`echo $1 | sed 's/\./_/g'` +dnl Normaly I'd use a AC_CACHE_CHECK here but since the variable name is +dnl dynamic I need an extra level of extraction +AC_MSG_CHECKING([for $1 class]) +AC_CACHE_VAL(ax_cv_class_$ac_var_name, [ +if test x$ac_cv_prog_uudecode_base64 = xyes; then +dnl /** +dnl * Test.java: used to test dynamicaly if a class exists. +dnl */ +dnl public class Test +dnl { +dnl +dnl public static void +dnl main( String[] argv ) +dnl { +dnl Class lib; +dnl if (argv.length < 1) +dnl { +dnl System.err.println ("Missing argument"); +dnl System.exit (77); +dnl } +dnl try +dnl { +dnl lib = Class.forName (argv[0]); +dnl } +dnl catch (ClassNotFoundException e) +dnl { +dnl System.exit (1); +dnl } +dnl lib = null; +dnl System.exit (0); +dnl } +dnl +dnl } +cat << \EOF > Test.uue +begin-base64 644 Test.class +yv66vgADAC0AKQcAAgEABFRlc3QHAAQBABBqYXZhL2xhbmcvT2JqZWN0AQAE +bWFpbgEAFihbTGphdmEvbGFuZy9TdHJpbmc7KVYBAARDb2RlAQAPTGluZU51 +bWJlclRhYmxlDAAKAAsBAANlcnIBABVMamF2YS9pby9QcmludFN0cmVhbTsJ +AA0ACQcADgEAEGphdmEvbGFuZy9TeXN0ZW0IABABABBNaXNzaW5nIGFyZ3Vt +ZW50DAASABMBAAdwcmludGxuAQAVKExqYXZhL2xhbmcvU3RyaW5nOylWCgAV +ABEHABYBABNqYXZhL2lvL1ByaW50U3RyZWFtDAAYABkBAARleGl0AQAEKEkp +VgoADQAXDAAcAB0BAAdmb3JOYW1lAQAlKExqYXZhL2xhbmcvU3RyaW5nOylM +amF2YS9sYW5nL0NsYXNzOwoAHwAbBwAgAQAPamF2YS9sYW5nL0NsYXNzBwAi +AQAgamF2YS9sYW5nL0NsYXNzTm90Rm91bmRFeGNlcHRpb24BAAY8aW5pdD4B +AAMoKVYMACMAJAoAAwAlAQAKU291cmNlRmlsZQEACVRlc3QuamF2YQAhAAEA +AwAAAAAAAgAJAAUABgABAAcAAABtAAMAAwAAACkqvgSiABCyAAwSD7YAFBBN +uAAaKgMyuAAeTKcACE0EuAAaAUwDuAAasQABABMAGgAdACEAAQAIAAAAKgAK +AAAACgAAAAsABgANAA4ADgATABAAEwASAB4AFgAiABgAJAAZACgAGgABACMA +JAABAAcAAAAhAAEAAQAAAAUqtwAmsQAAAAEACAAAAAoAAgAAAAQABAAEAAEA +JwAAAAIAKA== +==== +EOF + if $UUDECODE Test.uue; then + : + else + echo "configure: __oline__: uudecode had trouble decoding base 64 file 'Test.uue'" >&AS_MESSAGE_LOG_FD + echo "configure: failed file was:" >&AS_MESSAGE_LOG_FD + cat Test.uue >&AS_MESSAGE_LOG_FD + ac_cv_prog_uudecode_base64=no + fi + rm -f Test.uue + if AC_TRY_COMMAND($JAVA -classpath ".:$CLASSPATH" $JAVAFLAGS Test $1) >/dev/null 2>&1; then + eval "ac_cv_class_$ac_var_name=yes" + else + eval "ac_cv_class_$ac_var_name=no" + fi + rm -f Test.class +else + AX_TRY_COMPILE_JAVA([$1], , [eval "ac_cv_class_$ac_var_name=yes"], + [eval "ac_cv_class_$ac_var_name=no"]) +fi +eval "ac_var_val=$`eval echo ac_cv_class_$ac_var_name`" +eval "HAVE_$ac_var_name=$`echo ac_cv_class_$ac_var_val`" +HAVE_LAST_CLASS=$ac_var_val +if test x$ac_var_val = xyes; then + ifelse([$2], , :, [$2]) +else + ifelse([$3], , :, [$3]) +fi +]) +dnl for some reason the above statment didn't fall though here? +dnl do scripts have variable scoping? +eval "ac_var_val=$`eval echo ac_cv_class_$ac_var_name`" +AC_MSG_RESULT($ac_var_val) +]) diff --git a/config/ax_check_classpath.m4 b/config/ax_check_classpath.m4 new file mode 100644 index 0000000..3c9081a --- /dev/null +++ b/config/ax_check_classpath.m4 @@ -0,0 +1,60 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_check_classpath.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CHECK_CLASSPATH +# +# DESCRIPTION +# +# AX_CHECK_CLASSPATH just displays the CLASSPATH, for the edification of +# the user. +# +# Note: This is part of the set of autoconf M4 macros for Java programs. +# It is VERY IMPORTANT that you download the whole set, some macros depend +# on other. Unfortunately, the autoconf archive does not support the +# concept of set of macros, so I had to break it for submission. The +# general documentation, as well as the sample configure.in, is included +# in the AX_PROG_JAVA macro. +# +# LICENSE +# +# Copyright (c) 2008 Stephane Bortzmeyer +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 5 + +AU_ALIAS([AC_CHECK_CLASSPATH], [AX_CHECK_CLASSPATH]) +AC_DEFUN([AX_CHECK_CLASSPATH],[ +if test "x$CLASSPATH" = x; then + echo "You have no CLASSPATH, I hope it is good" +else + echo "You have CLASSPATH $CLASSPATH, hope it is correct" +fi +]) diff --git a/config/ax_java_options.m4 b/config/ax_java_options.m4 new file mode 100644 index 0000000..36c10d9 --- /dev/null +++ b/config/ax_java_options.m4 @@ -0,0 +1,48 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_java_options.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_JAVA_OPTIONS +# +# DESCRIPTION +# +# AX_JAVA_OPTIONS adds configure command line options used for Java m4 +# macros. This Macro is optional. +# +# Note: This is part of the set of autoconf M4 macros for Java programs. +# It is VERY IMPORTANT that you download the whole set, some macros depend +# on other. Unfortunately, the autoconf archive does not support the +# concept of set of macros, so I had to break it for submission. The +# general documentation, as well as the sample configure.in, is included +# in the AX_PROG_JAVA macro. +# +# LICENSE +# +# Copyright (c) 2008 Devin Weaver +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 6 + +AU_ALIAS([AC_JAVA_OPTIONS], [AX_JAVA_OPTIONS]) +AC_DEFUN([AX_JAVA_OPTIONS],[ +AC_ARG_WITH(java-prefix, + [ --with-java-prefix=PFX prefix where Java runtime is installed (optional)]) +AC_ARG_WITH(javac-flags, + [ --with-javac-flags=FLAGS flags to pass to the Java compiler (optional)]) +AC_ARG_WITH(java-flags, + [ --with-java-flags=FLAGS flags to pass to the Java VM (optional)]) +JAVAPREFIX=$with_java_prefix +JAVACFLAGS=$with_javac_flags +JAVAFLAGS=$with_java_flags +AC_SUBST(JAVAPREFIX)dnl +AC_SUBST(JAVACFLAGS)dnl +AC_SUBST(JAVAFLAGS)dnl +AC_SUBST(JAVA)dnl +AC_SUBST(JAVAC)dnl +]) diff --git a/config/ax_jni_include_dir.m4 b/config/ax_jni_include_dir.m4 new file mode 100644 index 0000000..b664d80 --- /dev/null +++ b/config/ax_jni_include_dir.m4 @@ -0,0 +1,126 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_jni_include_dir.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_JNI_INCLUDE_DIR +# +# DESCRIPTION +# +# AX_JNI_INCLUDE_DIR finds include directories needed for compiling +# programs using the JNI interface. +# +# JNI include directories are usually in the Java distribution. This is +# deduced from the value of $JAVA_HOME, $JAVAC, or the path to "javac", in +# that order. When this macro completes, a list of directories is left in +# the variable JNI_INCLUDE_DIRS. +# +# Example usage follows: +# +# AX_JNI_INCLUDE_DIR +# +# for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS +# do +# CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR" +# done +# +# If you want to force a specific compiler: +# +# - at the configure.in level, set JAVAC=yourcompiler before calling +# AX_JNI_INCLUDE_DIR +# +# - at the configure level, setenv JAVAC +# +# Note: This macro can work with the autoconf M4 macros for Java programs. +# This particular macro is not part of the original set of macros. +# +# LICENSE +# +# Copyright (c) 2008 Don Anderson +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 10 + +AU_ALIAS([AC_JNI_INCLUDE_DIR], [AX_JNI_INCLUDE_DIR]) +AC_DEFUN([AX_JNI_INCLUDE_DIR],[ + +JNI_INCLUDE_DIRS="" + +if test "x$JAVA_HOME" != x; then + _JTOPDIR="$JAVA_HOME" +else + if test "x$JAVAC" = x; then + JAVAC=javac + fi + AC_PATH_PROG([_ACJNI_JAVAC], [$JAVAC], [no]) + if test "x$_ACJNI_JAVAC" = xno; then + AC_MSG_ERROR([cannot find JDK; try setting \$JAVAC or \$JAVA_HOME]) + fi + _ACJNI_FOLLOW_SYMLINKS("$_ACJNI_JAVAC") + _JTOPDIR=`echo "$_ACJNI_FOLLOWED" | sed -e 's://*:/:g' -e 's:/[[^/]]*$::'` +fi + +case "$host_os" in + darwin*) _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'` + _JINC="$_JTOPDIR/Headers";; + *) _JINC="$_JTOPDIR/include";; +esac +_AS_ECHO_LOG([_JTOPDIR=$_JTOPDIR]) +_AS_ECHO_LOG([_JINC=$_JINC]) + +# On Mac OS X 10.6.4, jni.h is a symlink: +# /System/Library/Frameworks/JavaVM.framework/Versions/Current/Headers/jni.h +# -> ../../CurrentJDK/Headers/jni.h. +AC_CHECK_FILE([$_JINC/jni.h], + [JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JINC"], + [_JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'` + AC_CHECK_FILE([$_JTOPDIR/include/jni.h], + [JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include"], + AC_MSG_ERROR([cannot find JDK header files])) + ]) + +# get the likely subdirectories for system specific java includes +case "$host_os" in +bsdi*) _JNI_INC_SUBDIRS="bsdos";; +freebsd*) _JNI_INC_SUBDIRS="freebsd";; +linux*) _JNI_INC_SUBDIRS="linux genunix";; +osf*) _JNI_INC_SUBDIRS="alpha";; +solaris*) _JNI_INC_SUBDIRS="solaris";; +mingw*) _JNI_INC_SUBDIRS="win32";; +cygwin*) _JNI_INC_SUBDIRS="win32";; +*) _JNI_INC_SUBDIRS="genunix";; +esac + +# add any subdirectories that are present +for JINCSUBDIR in $_JNI_INC_SUBDIRS +do + if test -d "$_JTOPDIR/include/$JINCSUBDIR"; then + JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include/$JINCSUBDIR" + fi +done +]) + +# _ACJNI_FOLLOW_SYMLINKS +# Follows symbolic links on , +# finally setting variable _ACJNI_FOLLOWED +# ---------------------------------------- +AC_DEFUN([_ACJNI_FOLLOW_SYMLINKS],[ +# find the include directory relative to the javac executable +_cur="$1" +while ls -ld "$_cur" 2>/dev/null | grep " -> " >/dev/null; do + AC_MSG_CHECKING([symlink for $_cur]) + _slink=`ls -ld "$_cur" | sed 's/.* -> //'` + case "$_slink" in + /*) _cur="$_slink";; + # 'X' avoids triggering unwanted echo options. + *) _cur=`echo "X$_cur" | sed -e 's/^X//' -e 's:[[^/]]*$::'`"$_slink";; + esac + AC_MSG_RESULT([$_cur]) +done +_ACJNI_FOLLOWED="$_cur" +])# _ACJNI diff --git a/config/ax_prog_jar.m4 b/config/ax_prog_jar.m4 new file mode 100644 index 0000000..3c60fca --- /dev/null +++ b/config/ax_prog_jar.m4 @@ -0,0 +1,49 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_prog_jar.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_PROG_JAR +# +# DESCRIPTION +# +# AX_PROG_JAR tests for an existing jar program. It uses the environment +# variable JAR then tests in sequence various common jar programs. +# +# If you want to force a specific compiler: +# +# - at the configure.in level, set JAR=yourcompiler before calling +# AX_PROG_JAR +# +# - at the configure level, setenv JAR +# +# You can use the JAR variable in your Makefile.in, with @JAR@. +# +# Note: This macro depends on the autoconf M4 macros for Java programs. It +# is VERY IMPORTANT that you download that whole set, some macros depend +# on other. Unfortunately, the autoconf archive does not support the +# concept of set of macros, so I had to break it for submission. +# +# The general documentation of those macros, as well as the sample +# configure.in, is included in the AX_PROG_JAVA macro. +# +# LICENSE +# +# Copyright (c) 2008 Egon Willighagen +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 7 + +AU_ALIAS([AC_PROG_JAR], [AX_PROG_JAR]) +AC_DEFUN([AX_PROG_JAR],[ +AS_IF([test "x$JAVAPREFIX" = x], + [test "x$JAR" = x && AC_CHECK_PROGS([JAR], [jar])], + [test "x$JAR" = x && AC_CHECK_PROGS([JAR], [jar], [], [$JAVAPREFIX/bin])]) +test "x$JAR" = x && AC_MSG_ERROR([no acceptable jar program found in \$PATH]) +AC_PROVIDE([$0])dnl +]) diff --git a/config/ax_prog_java.m4 b/config/ax_prog_java.m4 new file mode 100644 index 0000000..03961db --- /dev/null +++ b/config/ax_prog_java.m4 @@ -0,0 +1,115 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_prog_java.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_PROG_JAVA +# +# DESCRIPTION +# +# Here is a summary of the main macros: +# +# AX_PROG_JAVAC: finds a Java compiler. +# +# AX_PROG_JAVA: finds a Java virtual machine. +# +# AX_CHECK_CLASS: finds if we have the given class (beware of CLASSPATH!). +# +# AX_CHECK_RQRD_CLASS: finds if we have the given class and stops +# otherwise. +# +# AX_TRY_COMPILE_JAVA: attempt to compile user given source. +# +# AX_TRY_RUN_JAVA: attempt to compile and run user given source. +# +# AX_JAVA_OPTIONS: adds Java configure options. +# +# AX_PROG_JAVA tests an existing Java virtual machine. It uses the +# environment variable JAVA then tests in sequence various common Java +# virtual machines. For political reasons, it starts with the free ones. +# You *must* call [AX_PROG_JAVAC] before. +# +# If you want to force a specific VM: +# +# - at the configure.in level, set JAVA=yourvm before calling AX_PROG_JAVA +# +# (but after AC_INIT) +# +# - at the configure level, setenv JAVA +# +# You can use the JAVA variable in your Makefile.in, with @JAVA@. +# +# *Warning*: its success or failure can depend on a proper setting of the +# CLASSPATH env. variable. +# +# TODO: allow to exclude virtual machines (rationale: most Java programs +# cannot run with some VM like kaffe). +# +# Note: This is part of the set of autoconf M4 macros for Java programs. +# It is VERY IMPORTANT that you download the whole set, some macros depend +# on other. Unfortunately, the autoconf archive does not support the +# concept of set of macros, so I had to break it for submission. +# +# A Web page, with a link to the latest CVS snapshot is at +# . +# +# This is a sample configure.in Process this file with autoconf to produce +# a configure script. +# +# AC_INIT(UnTag.java) +# +# dnl Checks for programs. +# AC_CHECK_CLASSPATH +# AX_PROG_JAVAC +# AX_PROG_JAVA +# +# dnl Checks for classes +# AX_CHECK_RQRD_CLASS(org.xml.sax.Parser) +# AX_CHECK_RQRD_CLASS(com.jclark.xml.sax.Driver) +# +# AC_OUTPUT(Makefile) +# +# LICENSE +# +# Copyright (c) 2008 Stephane Bortzmeyer +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 9 + +AU_ALIAS([AC_PROG_JAVA], [AX_PROG_JAVA]) +AC_DEFUN([AX_PROG_JAVA],[ +m4_define([m4_ax_prog_java_list], [kaffe java])dnl +AS_IF([test "x$JAVAPREFIX" = x], + [test x$JAVA = x && AC_CHECK_PROGS([JAVA], [m4_ax_prog_java_list])], + [test x$JAVA = x && AC_CHECK_PROGS([JAVA], [m4_ax_prog_java_list], [], [$JAVAPREFIX/bin])]) +test x$JAVA = x && AC_MSG_ERROR([no acceptable Java virtual machine found in \$PATH]) +m4_undefine([m4_ax_prog_java_list])dnl +AX_PROG_JAVA_WORKS +AC_PROVIDE([$0])dnl +]) diff --git a/config/ax_prog_java_works.m4 b/config/ax_prog_java_works.m4 new file mode 100644 index 0000000..54e132a --- /dev/null +++ b/config/ax_prog_java_works.m4 @@ -0,0 +1,134 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_prog_java_works.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_PROG_JAVA_WORKS +# +# DESCRIPTION +# +# Internal use ONLY. +# +# Note: This is part of the set of autoconf M4 macros for Java programs. +# It is VERY IMPORTANT that you download the whole set, some macros depend +# on other. Unfortunately, the autoconf archive does not support the +# concept of set of macros, so I had to break it for submission. The +# general documentation, as well as the sample configure.in, is included +# in the AX_PROG_JAVA macro. +# +# LICENSE +# +# Copyright (c) 2008 Stephane Bortzmeyer +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 9 + +AU_ALIAS([AC_PROG_JAVA_WORKS], [AX_PROG_JAVA_WORKS]) +AC_DEFUN([AX_PROG_JAVA_WORKS], [ +AC_PATH_PROG(UUDECODE, uudecode, [no]) +if test x$UUDECODE != xno; then +AC_CACHE_CHECK([if uudecode can decode base 64 file], ac_cv_prog_uudecode_base64, [ +dnl /** +dnl * Test.java: used to test if java compiler works. +dnl */ +dnl public class Test +dnl { +dnl +dnl public static void +dnl main( String[] argv ) +dnl { +dnl System.exit (0); +dnl } +dnl +dnl } +cat << \EOF > Test.uue +begin-base64 644 Test.class +yv66vgADAC0AFQcAAgEABFRlc3QHAAQBABBqYXZhL2xhbmcvT2JqZWN0AQAE +bWFpbgEAFihbTGphdmEvbGFuZy9TdHJpbmc7KVYBAARDb2RlAQAPTGluZU51 +bWJlclRhYmxlDAAKAAsBAARleGl0AQAEKEkpVgoADQAJBwAOAQAQamF2YS9s +YW5nL1N5c3RlbQEABjxpbml0PgEAAygpVgwADwAQCgADABEBAApTb3VyY2VG +aWxlAQAJVGVzdC5qYXZhACEAAQADAAAAAAACAAkABQAGAAEABwAAACEAAQAB +AAAABQO4AAyxAAAAAQAIAAAACgACAAAACgAEAAsAAQAPABAAAQAHAAAAIQAB +AAEAAAAFKrcAErEAAAABAAgAAAAKAAIAAAAEAAQABAABABMAAAACABQ= +==== +EOF +if $UUDECODE Test.uue; then + ac_cv_prog_uudecode_base64=yes +else + echo "configure: __oline__: uudecode had trouble decoding base 64 file 'Test.uue'" >&AS_MESSAGE_LOG_FD + echo "configure: failed file was:" >&AS_MESSAGE_LOG_FD + cat Test.uue >&AS_MESSAGE_LOG_FD + ac_cv_prog_uudecode_base64=no +fi +rm -f Test.uue]) +fi +if test x$ac_cv_prog_uudecode_base64 != xyes; then + rm -f Test.class + AC_MSG_WARN([I have to compile Test.class from scratch]) + if test x$ac_cv_prog_javac_works = xno; then + AC_MSG_ERROR([Cannot compile java source. $JAVAC does not work properly]) + fi + if test x$ac_cv_prog_javac_works = x; then + AX_PROG_JAVAC + fi +fi +AC_CACHE_CHECK(if $JAVA works, ac_cv_prog_java_works, [ +JAVA_TEST=Test.java +CLASS_TEST=Test.class +TEST=Test +changequote(, )dnl +cat << \EOF > $JAVA_TEST +/* [#]line __oline__ "configure" */ +public class Test { +public static void main (String args[]) { + System.exit (0); +} } +EOF +changequote([, ])dnl +if test x$ac_cv_prog_uudecode_base64 != xyes; then + if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $JAVA_TEST) && test -s $CLASS_TEST; then + : + else + echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD + cat $JAVA_TEST >&AS_MESSAGE_LOG_FD + AC_MSG_ERROR(The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?)) + fi +fi +if AC_TRY_COMMAND($JAVA -classpath . $JAVAFLAGS $TEST) >/dev/null 2>&1; then + ac_cv_prog_java_works=yes +else + echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD + cat $JAVA_TEST >&AS_MESSAGE_LOG_FD + AC_MSG_ERROR(The Java VM $JAVA failed (see config.log, check the CLASSPATH?)) +fi +rm -fr $JAVA_TEST $CLASS_TEST Test.uue +]) +AC_PROVIDE([$0])dnl +] +) diff --git a/config/ax_prog_javac.m4 b/config/ax_prog_javac.m4 new file mode 100644 index 0000000..d061243 --- /dev/null +++ b/config/ax_prog_javac.m4 @@ -0,0 +1,79 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_prog_javac.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_PROG_JAVAC +# +# DESCRIPTION +# +# AX_PROG_JAVAC tests an existing Java compiler. It uses the environment +# variable JAVAC then tests in sequence various common Java compilers. For +# political reasons, it starts with the free ones. +# +# If you want to force a specific compiler: +# +# - at the configure.in level, set JAVAC=yourcompiler before calling +# AX_PROG_JAVAC +# +# - at the configure level, setenv JAVAC +# +# You can use the JAVAC variable in your Makefile.in, with @JAVAC@. +# +# *Warning*: its success or failure can depend on a proper setting of the +# CLASSPATH env. variable. +# +# TODO: allow to exclude compilers (rationale: most Java programs cannot +# compile with some compilers like guavac). +# +# Note: This is part of the set of autoconf M4 macros for Java programs. +# It is VERY IMPORTANT that you download the whole set, some macros depend +# on other. Unfortunately, the autoconf archive does not support the +# concept of set of macros, so I had to break it for submission. The +# general documentation, as well as the sample configure.in, is included +# in the AX_PROG_JAVA macro. +# +# LICENSE +# +# Copyright (c) 2008 Stephane Bortzmeyer +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 7 + +AU_ALIAS([AC_PROG_JAVAC], [AX_PROG_JAVAC]) +AC_DEFUN([AX_PROG_JAVAC],[ +m4_define([m4_ax_prog_javac_list],["gcj -C" guavac jikes javac])dnl +AS_IF([test "x$JAVAPREFIX" = x], + [test "x$JAVAC" = x && AC_CHECK_PROGS([JAVAC], [m4_ax_prog_javac_list])], + [test "x$JAVAC" = x && AC_CHECK_PROGS([JAVAC], [m4_ax_prog_javac_list], [], [$JAVAPREFIX/bin])]) +m4_undefine([m4_ax_prog_javac_list])dnl +test "x$JAVAC" = x && AC_MSG_ERROR([no acceptable Java compiler found in \$PATH]) +AX_PROG_JAVAC_WORKS +AC_PROVIDE([$0])dnl +]) diff --git a/config/ax_prog_javac_works.m4 b/config/ax_prog_javac_works.m4 new file mode 100644 index 0000000..7dfa1e3 --- /dev/null +++ b/config/ax_prog_javac_works.m4 @@ -0,0 +1,72 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_prog_javac_works.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_PROG_JAVAC_WORKS +# +# DESCRIPTION +# +# Internal use ONLY. +# +# Note: This is part of the set of autoconf M4 macros for Java programs. +# It is VERY IMPORTANT that you download the whole set, some macros depend +# on other. Unfortunately, the autoconf archive does not support the +# concept of set of macros, so I had to break it for submission. The +# general documentation, as well as the sample configure.in, is included +# in the AX_PROG_JAVA macro. +# +# LICENSE +# +# Copyright (c) 2008 Stephane Bortzmeyer +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 6 + +AU_ALIAS([AC_PROG_JAVAC_WORKS], [AX_PROG_JAVAC_WORKS]) +AC_DEFUN([AX_PROG_JAVAC_WORKS],[ +AC_CACHE_CHECK([if $JAVAC works], ac_cv_prog_javac_works, [ +JAVA_TEST=Test.java +CLASS_TEST=Test.class +cat << \EOF > $JAVA_TEST +/* [#]line __oline__ "configure" */ +public class Test { +} +EOF +if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $JAVA_TEST) >/dev/null 2>&1; then + ac_cv_prog_javac_works=yes +else + AC_MSG_ERROR([The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?)]) + echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD + cat $JAVA_TEST >&AS_MESSAGE_LOG_FD +fi +rm -f $JAVA_TEST $CLASS_TEST +]) +AC_PROVIDE([$0])dnl +]) diff --git a/config/ax_prog_javah.m4 b/config/ax_prog_javah.m4 new file mode 100644 index 0000000..2809f29 --- /dev/null +++ b/config/ax_prog_javah.m4 @@ -0,0 +1,47 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_prog_javah.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_PROG_JAVAH +# +# DESCRIPTION +# +# AX_PROG_JAVAH tests the availability of the javah header generator and +# looks for the jni.h header file. If available, JAVAH is set to the full +# path of javah and CPPFLAGS is updated accordingly. +# +# LICENSE +# +# Copyright (c) 2008 Luc Maisonobe +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 7 + +AU_ALIAS([AC_PROG_JAVAH], [AX_PROG_JAVAH]) +AC_DEFUN([AX_PROG_JAVAH],[ +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +AC_REQUIRE([AC_PROG_CPP])dnl +AC_PATH_PROG(JAVAH,javah) +AS_IF([test -n "$ac_cv_path_JAVAH"], + [ + AC_TRY_CPP([#include ],,[ + ac_save_CPPFLAGS="$CPPFLAGS" + ax_prog_javah_bin_dir=`AS_DIRNAME([$ac_cv_path_JAVAH])` + ac_dir="`AS_DIRNAME([$ax_prog_javah_bin])`/include" + AS_CASE([$build_os], + [cygwin*], + [ac_machdep=win32], + [ac_machdep=`AS_ECHO($build_os) | sed 's,[[-0-9]].*,,'`]) + CPPFLAGS="$ac_save_CPPFLAGS -I$ac_dir -I$ac_dir/$ac_machdep" + AC_TRY_CPP([#include ], + ac_save_CPPFLAGS="$CPPFLAGS", + AC_MSG_WARN([unable to include ])) + CPPFLAGS="$ac_save_CPPFLAGS"]) + ]) +]) diff --git a/config/ax_sys_weak_alias.m4 b/config/ax_sys_weak_alias.m4 new file mode 100644 index 0000000..e1bfd33 --- /dev/null +++ b/config/ax_sys_weak_alias.m4 @@ -0,0 +1,337 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_sys_weak_alias.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_SYS_WEAK_ALIAS +# +# DESCRIPTION +# +# Determines whether weak aliases are supported on the system, and if so, +# what scheme is used to declare them. Also checks to see if aliases can +# cross object file boundaries, as some systems don't permit them to. +# +# Most systems permit something called a "weak alias" or "weak symbol." +# These aliases permit a library to provide a stub form of a routine +# defined in another library, thus allowing the first library to operate +# even if the other library is not linked. This macro will check for +# support of weak aliases, figure out what schemes are available, and +# determine some characteristics of the weak alias support -- primarily, +# whether a weak alias declared in one object file may be referenced from +# another object file. +# +# There are four known schemes of declaring weak symbols; each scheme is +# checked in turn, and the first one found is prefered. Note that only one +# of the mentioned preprocessor macros will be defined! +# +# 1. Function attributes +# +# This scheme was first introduced by the GNU C compiler, and attaches +# attributes to particular functions. It is among the easiest to use, and +# so is the first one checked. If this scheme is detected, the +# preprocessor macro HAVE_SYS_WEAK_ALIAS_ATTRIBUTE will be defined to 1. +# This scheme is used as in the following code fragment: +# +# void __weakf(int c) +# { +# /* Function definition... */ +# } +# +# void weakf(int c) __attribute__((weak, alias("__weakf"))); +# +# 2. #pragma weak +# +# This scheme is in use by many compilers other than the GNU C compiler. +# It is also particularly easy to use, and fairly portable -- well, as +# portable as these things get. If this scheme is detected first, the +# preprocessor macro HAVE_SYS_WEAK_ALIAS_PRAGMA will be defined to 1. This +# scheme is used as in the following code fragment: +# +# extern void weakf(int c); +# #pragma weak weakf = __weakf +# void __weakf(int c) +# { +# /* Function definition... */ +# } +# +# 3. #pragma _HP_SECONDARY_DEF +# +# This scheme appears to be in use by the HP compiler. As it is rather +# specialized, this is one of the last schemes checked. If it is the first +# one detected, the preprocessor macro HAVE_SYS_WEAK_ALIAS_HPSECONDARY +# will be defined to 1. This scheme is used as in the following code +# fragment: +# +# extern void weakf(int c); +# #pragma _HP_SECONDARY_DEF __weakf weakf +# void __weakf(int c) +# { +# /* Function definition... */ +# } +# +# 4. #pragma _CRI duplicate +# +# This scheme appears to be in use by the Cray compiler. As it is rather +# specialized, it too is one of the last schemes checked. If it is the +# first one detected, the preprocessor macro +# HAVE_SYS_WEAK_ALIAS_CRIDUPLICATE will be defined to 1. This scheme is +# used as in the following code fragment: +# +# extern void weakf(int c); +# #pragma _CRI duplicate weakf as __weakf +# void __weakf(int c) +# { +# /* Function definition... */ +# } +# +# In addition to the preprocessor macros listed above, if any scheme is +# found, the preprocessor macro HAVE_SYS_WEAK_ALIAS will also be defined +# to 1. +# +# Once a weak aliasing scheme has been found, a check will be performed to +# see if weak aliases are honored across object file boundaries. If they +# are, the HAVE_SYS_WEAK_ALIAS_CROSSFILE preprocessor macro is defined to +# 1. +# +# This Autoconf macro also makes two substitutions. The first, WEAK_ALIAS, +# contains the name of the scheme found (one of "attribute", "pragma", +# "hpsecondary", or "criduplicate"), or "no" if no weak aliasing scheme +# was found. The second, WEAK_ALIAS_CROSSFILE, is set to "yes" or "no" +# depending on whether or not weak aliases may cross object file +# boundaries. +# +# LICENSE +# +# Copyright (c) 2008 Kevin L. Mitchell +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 6 + +AU_ALIAS([KLM_SYS_WEAK_ALIAS], [AX_SYS_WEAK_ALIAS]) +AC_DEFUN([AX_SYS_WEAK_ALIAS], [ + # starting point: no aliasing scheme yet... + ax_sys_weak_alias=no + + # Figure out what kind of aliasing may be supported... + _AX_SYS_WEAK_ALIAS_ATTRIBUTE + _AX_SYS_WEAK_ALIAS_PRAGMA + _AX_SYS_WEAK_ALIAS_HPSECONDARY + _AX_SYS_WEAK_ALIAS_CRIDUPLICATE + + # Do we actually support aliasing? + AC_CACHE_CHECK([how to create weak aliases with $CC], + [ax_cv_sys_weak_alias], + [ax_cv_sys_weak_alias=$ax_sys_weak_alias]) + + # OK, set a #define + AS_IF([test $ax_cv_sys_weak_alias != no], [ + AC_DEFINE([HAVE_SYS_WEAK_ALIAS], 1, + [Define this if your system can create weak aliases]) + ]) + + # Can aliases cross object file boundaries? + _AX_SYS_WEAK_ALIAS_CROSSFILE + + # OK, remember the results + AC_SUBST([WEAK_ALIAS], [$ax_cv_sys_weak_alias]) + AC_SUBST([WEAK_ALIAS_CROSSFILE], [$ax_cv_sys_weak_alias_crossfile]) +]) + +AC_DEFUN([_AX_SYS_WEAK_ALIAS_ATTRIBUTE], +[ # Test whether compiler accepts __attribute__ form of weak aliasing + AC_CACHE_CHECK([whether $CC accepts function __attribute__((weak,alias()))], + [ax_cv_sys_weak_alias_attribute], [ + # We add -Werror if it's gcc to force an error exit if the weak attribute + # isn't understood + AS_IF([test $GCC = yes], [ + save_CFLAGS=$CFLAGS + CFLAGS=-Werror]) + + # Try linking with a weak alias... + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([ +void __weakf(int c) {} +void weakf(int c) __attribute__((weak, alias("__weakf")));], + [weakf(0)])], + [ax_cv_sys_weak_alias_attribute=yes], + [ax_cv_sys_weak_alias_attribute=no]) + + # Restore original CFLAGS + AS_IF([test $GCC = yes], [ + CFLAGS=$save_CFLAGS]) + ]) + + # What was the result of the test? + AS_IF([test $ax_sys_weak_alias = no && + test $ax_cv_sys_weak_alias_attribute = yes], [ + ax_sys_weak_alias=attribute + AC_DEFINE([HAVE_SYS_WEAK_ALIAS_ATTRIBUTE], 1, + [Define this if weak aliases may be created with __attribute__]) + ]) +]) + +AC_DEFUN([_AX_SYS_WEAK_ALIAS_PRAGMA], +[ # Test whether compiler accepts #pragma form of weak aliasing + AC_CACHE_CHECK([whether $CC supports @%:@pragma weak], + [ax_cv_sys_weak_alias_pragma], [ + + # Try linking with a weak alias... + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([ +extern void weakf(int c); +@%:@pragma weak weakf = __weakf +void __weakf(int c) {}], + [weakf(0)])], + [ax_cv_sys_weak_alias_pragma=yes], + [ax_cv_sys_weak_alias_pragma=no]) + ]) + + # What was the result of the test? + AS_IF([test $ax_sys_weak_alias = no && + test $ax_cv_sys_weak_alias_pragma = yes], [ + ax_sys_weak_alias=pragma + AC_DEFINE([HAVE_SYS_WEAK_ALIAS_PRAGMA], 1, + [Define this if weak aliases may be created with @%:@pragma weak]) + ]) +]) + +AC_DEFUN([_AX_SYS_WEAK_ALIAS_HPSECONDARY], +[ # Test whether compiler accepts _HP_SECONDARY_DEF pragma from HP... + AC_CACHE_CHECK([whether $CC supports @%:@pragma _HP_SECONDARY_DEF], + [ax_cv_sys_weak_alias_hpsecondary], [ + + # Try linking with a weak alias... + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([ +extern void weakf(int c); +@%:@pragma _HP_SECONDARY_DEF __weakf weakf +void __weakf(int c) {}], + [weakf(0)])], + [ax_cv_sys_weak_alias_hpsecondary=yes], + [ax_cv_sys_weak_alias_hpsecondary=no]) + ]) + + # What was the result of the test? + AS_IF([test $ax_sys_weak_alias = no && + test $ax_cv_sys_weak_alias_hpsecondary = yes], [ + ax_sys_weak_alias=hpsecondary + AC_DEFINE([HAVE_SYS_WEAK_ALIAS_HPSECONDARY], 1, + [Define this if weak aliases may be created with @%:@pragma _HP_SECONDARY_DEF]) + ]) +]) + +AC_DEFUN([_AX_SYS_WEAK_ALIAS_CRIDUPLICATE], +[ # Test whether compiler accepts "_CRI duplicate" pragma from Cray + AC_CACHE_CHECK([whether $CC supports @%:@pragma _CRI duplicate], + [ax_cv_sys_weak_alias_criduplicate], [ + + # Try linking with a weak alias... + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([ +extern void weakf(int c); +@%:@pragma _CRI duplicate weakf as __weakf +void __weakf(int c) {}], + [weakf(0)])], + [ax_cv_sys_weak_alias_criduplicate=yes], + [ax_cv_sys_weak_alias_criduplicate=no]) + ]) + + # What was the result of the test? + AS_IF([test $ax_sys_weak_alias = no && + test $ax_cv_sys_weak_alias_criduplicate = yes], [ + ax_sys_weak_alias=criduplicate + AC_DEFINE([HAVE_SYS_WEAK_ALIAS_CRIDUPLICATE], 1, + [Define this if weak aliases may be created with @%:@pragma _CRI duplicate]) + ]) +]) + +dnl Note: This macro is modeled closely on AC_LINK_IFELSE, and in fact +dnl depends on some implementation details of that macro, particularly +dnl its use of _AC_MSG_LOG_CONFTEST to log the failed test program and +dnl its use of ac_link for running the linker. +AC_DEFUN([_AX_SYS_WEAK_ALIAS_CROSSFILE], +[ # Check to see if weak aliases can cross object file boundaries + AC_CACHE_CHECK([whether $CC supports weak aliases across object file boundaries], + [ax_cv_sys_weak_alias_crossfile], [ + AS_IF([test $ax_cv_sys_weak_alias = no], + [ax_cv_sys_weak_alias_crossfile=no], [ +dnl Must build our own test files... + # conftest1 contains our weak alias definition... + cat >conftest1.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF + cat confdefs.h >>conftest1.$ac_ext + cat >>conftest1.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +@%:@ifndef HAVE_SYS_WEAK_ALIAS_ATTRIBUTE +extern void weakf(int c); +@%:@endif +@%:@if defined(HAVE_SYS_WEAK_ALIAS_PRAGMA) +@%:@pragma weak weakf = __weakf +@%:@elif defined(HAVE_SYS_WEAK_ALIAS_HPSECONDARY) +@%:@pragma _HP_SECONDARY_DEF __weakf weakf +@%:@elif defined(HAVE_SYS_WEAK_ALIAS_CRIDUPLICATE) +@%:@pragma _CRI duplicate weakf as __weakf +@%:@endif +void __weakf(int c) {} +@%:@ifdef HAVE_SYS_WEAK_ALIAS_ATTRIBUTE +void weakf(int c) __attribute((weak, alias("__weakf"))); +@%:@endif +_ACEOF + # And conftest2 contains our main routine that calls it + cat >conftest2.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF + cat confdefs.h >> conftest2.$ac_ext + cat >>conftest2.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +extern void weakf(int c); +int +main () +{ + weakf(0); + return 0; +} +_ACEOF + # We must remove the object files (if any) ourselves... + rm -f conftest2.$ac_objext conftest$ac_exeext + + # Change ac_link to compile *2* files together + save_aclink=$ac_link + ac_link=`echo "$ac_link" | \ + sed -e 's/conftest\(\.\$ac_ext\)/conftest1\1 conftest2\1/'` +dnl Substitute our own routine for logging the conftest +m4_pushdef([_AC_MSG_LOG_CONFTEST], +[echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD +echo ">>> conftest1.$ac_ext" >&AS_MESSAGE_LOG_FD +sed "s/^/| /" conftest1.$ac_ext >&AS_MESSAGE_LOG_FD +echo ">>> conftest2.$ac_ext" >&AS_MESSAGE_LOG_FD +sed "s/^/| /" conftest2.$ac_ext >&AS_MESSAGE_LOG_FD +])dnl + # Since we created the files ourselves, don't use SOURCE argument + AC_LINK_IFELSE(, [ax_cv_sys_weak_alias_crossfile=yes], + [ax_cv_sys_weak_alias_crossfile=no]) +dnl Restore _AC_MSG_LOG_CONFTEST +m4_popdef([_AC_MSG_LOG_CONFTEST])dnl + # Restore ac_link + ac_link=$save_aclink + + # We must remove the object files (if any) and C files ourselves... + rm -f conftest1.$ac_ext conftest2.$ac_ext \ + conftest1.$ac_objext conftest2.$ac_objext + ]) + ]) + + # What were the results of the test? + AS_IF([test $ax_cv_sys_weak_alias_crossfile = yes], [ + AC_DEFINE([HAVE_SYS_WEAK_ALIAS_CROSSFILE], 1, + [Define this if weak aliases in other files are honored]) + ]) +]) diff --git a/config/ax_try_compile_java.m4 b/config/ax_try_compile_java.m4 new file mode 100644 index 0000000..a8ed6b2 --- /dev/null +++ b/config/ax_try_compile_java.m4 @@ -0,0 +1,55 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_try_compile_java.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_TRY_COMPILE_JAVA +# +# DESCRIPTION +# +# AX_TRY_COMPILE_JAVA attempt to compile user given source. +# +# *Warning*: its success or failure can depend on a proper setting of the +# CLASSPATH env. variable. +# +# Note: This is part of the set of autoconf M4 macros for Java programs. +# It is VERY IMPORTANT that you download the whole set, some macros depend +# on other. Unfortunately, the autoconf archive does not support the +# concept of set of macros, so I had to break it for submission. The +# general documentation, as well as the sample configure.in, is included +# in the AX_PROG_JAVA macro. +# +# LICENSE +# +# Copyright (c) 2008 Devin Weaver +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 8 + +AU_ALIAS([AC_TRY_COMPILE_JAVA], [AX_TRY_COMPILE_JAVA]) +AC_DEFUN([AX_TRY_COMPILE_JAVA],[ +AC_REQUIRE([AX_PROG_JAVAC])dnl +cat << \EOF > Test.java +/* [#]line __oline__ "configure" */ +ifelse([$1], , , [import $1;]) +public class Test { +[$2] +} +EOF +if AC_TRY_COMMAND($JAVAC $JAVACFLAGS Test.java) && test -s Test.class +then +dnl Don't remove the temporary files here, so they can be examined. + ifelse([$3], , :, [$3]) +else + echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD + cat Test.java >&AS_MESSAGE_LOG_FD +ifelse([$4], , , [ rm -fr Test.java Test.class + $4 +])dnl +fi +rm -fr Test.java Test.class]) diff --git a/config/compile b/config/compile new file mode 100755 index 0000000..531136b --- /dev/null +++ b/config/compile @@ -0,0 +1,347 @@ +#! /bin/sh +# Wrapper for compilers which do not understand '-c -o'. + +scriptversion=2012-10-14.11; # UTC + +# Copyright (C) 1999-2013 Free Software Foundation, Inc. +# Written by Tom Tromey . +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# This file is maintained in Automake, please report +# bugs to or send patches to +# . + +nl=' +' + +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent tools from complaining about whitespace usage. +IFS=" "" $nl" + +file_conv= + +# func_file_conv build_file lazy +# Convert a $build file to $host form and store it in $file +# Currently only supports Windows hosts. If the determined conversion +# type is listed in (the comma separated) LAZY, no conversion will +# take place. +func_file_conv () +{ + file=$1 + case $file in + / | /[!/]*) # absolute file, and not a UNC file + if test -z "$file_conv"; then + # lazily determine how to convert abs files + case `uname -s` in + MINGW*) + file_conv=mingw + ;; + CYGWIN*) + file_conv=cygwin + ;; + *) + file_conv=wine + ;; + esac + fi + case $file_conv/,$2, in + *,$file_conv,*) + ;; + mingw/*) + file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'` + ;; + cygwin/*) + file=`cygpath -m "$file" || echo "$file"` + ;; + wine/*) + file=`winepath -w "$file" || echo "$file"` + ;; + esac + ;; + esac +} + +# func_cl_dashL linkdir +# Make cl look for libraries in LINKDIR +func_cl_dashL () +{ + func_file_conv "$1" + if test -z "$lib_path"; then + lib_path=$file + else + lib_path="$lib_path;$file" + fi + linker_opts="$linker_opts -LIBPATH:$file" +} + +# func_cl_dashl library +# Do a library search-path lookup for cl +func_cl_dashl () +{ + lib=$1 + found=no + save_IFS=$IFS + IFS=';' + for dir in $lib_path $LIB + do + IFS=$save_IFS + if $shared && test -f "$dir/$lib.dll.lib"; then + found=yes + lib=$dir/$lib.dll.lib + break + fi + if test -f "$dir/$lib.lib"; then + found=yes + lib=$dir/$lib.lib + break + fi + if test -f "$dir/lib$lib.a"; then + found=yes + lib=$dir/lib$lib.a + break + fi + done + IFS=$save_IFS + + if test "$found" != yes; then + lib=$lib.lib + fi +} + +# func_cl_wrapper cl arg... +# Adjust compile command to suit cl +func_cl_wrapper () +{ + # Assume a capable shell + lib_path= + shared=: + linker_opts= + for arg + do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + eat=1 + case $2 in + *.o | *.[oO][bB][jJ]) + func_file_conv "$2" + set x "$@" -Fo"$file" + shift + ;; + *) + func_file_conv "$2" + set x "$@" -Fe"$file" + shift + ;; + esac + ;; + -I) + eat=1 + func_file_conv "$2" mingw + set x "$@" -I"$file" + shift + ;; + -I*) + func_file_conv "${1#-I}" mingw + set x "$@" -I"$file" + shift + ;; + -l) + eat=1 + func_cl_dashl "$2" + set x "$@" "$lib" + shift + ;; + -l*) + func_cl_dashl "${1#-l}" + set x "$@" "$lib" + shift + ;; + -L) + eat=1 + func_cl_dashL "$2" + ;; + -L*) + func_cl_dashL "${1#-L}" + ;; + -static) + shared=false + ;; + -Wl,*) + arg=${1#-Wl,} + save_ifs="$IFS"; IFS=',' + for flag in $arg; do + IFS="$save_ifs" + linker_opts="$linker_opts $flag" + done + IFS="$save_ifs" + ;; + -Xlinker) + eat=1 + linker_opts="$linker_opts $2" + ;; + -*) + set x "$@" "$1" + shift + ;; + *.cc | *.CC | *.cxx | *.CXX | *.[cC]++) + func_file_conv "$1" + set x "$@" -Tp"$file" + shift + ;; + *.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO]) + func_file_conv "$1" mingw + set x "$@" "$file" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift + done + if test -n "$linker_opts"; then + linker_opts="-link$linker_opts" + fi + exec "$@" $linker_opts + exit 1 +} + +eat= + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: compile [--help] [--version] PROGRAM [ARGS] + +Wrapper for compilers which do not understand '-c -o'. +Remove '-o dest.o' from ARGS, run PROGRAM with the remaining +arguments, and rename the output as expected. + +If you are trying to build a whole package this is not the +right script to run: please start by reading the file 'INSTALL'. + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "compile $scriptversion" + exit $? + ;; + cl | *[/\\]cl | cl.exe | *[/\\]cl.exe ) + func_cl_wrapper "$@" # Doesn't return... + ;; +esac + +ofile= +cfile= + +for arg +do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + # So we strip '-o arg' only if arg is an object. + eat=1 + case $2 in + *.o | *.obj) + ofile=$2 + ;; + *) + set x "$@" -o "$2" + shift + ;; + esac + ;; + *.c) + cfile=$1 + set x "$@" "$1" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift +done + +if test -z "$ofile" || test -z "$cfile"; then + # If no '-o' option was seen then we might have been invoked from a + # pattern rule where we don't need one. That is ok -- this is a + # normal compilation that the losing compiler can handle. If no + # '.c' file was seen then we are probably linking. That is also + # ok. + exec "$@" +fi + +# Name of file we expect compiler to create. +cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` + +# Create the lock directory. +# Note: use '[/\\:.-]' here to ensure that we don't use the same name +# that we are using for the .o file. Also, base the name on the expected +# object file name, since that is what matters with a parallel build. +lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d +while true; do + if mkdir "$lockdir" >/dev/null 2>&1; then + break + fi + sleep 1 +done +# FIXME: race condition here if user kills between mkdir and trap. +trap "rmdir '$lockdir'; exit 1" 1 2 15 + +# Run the compile. +"$@" +ret=$? + +if test -f "$cofile"; then + test "$cofile" = "$ofile" || mv "$cofile" "$ofile" +elif test -f "${cofile}bj"; then + test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" +fi + +rmdir "$lockdir" +exit $ret + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/config/config.guess b/config/config.guess new file mode 100755 index 0000000..1f5c50c --- /dev/null +++ b/config/config.guess @@ -0,0 +1,1420 @@ +#! /bin/sh +# Attempt to guess a canonical system name. +# Copyright 1992-2014 Free Software Foundation, Inc. + +timestamp='2014-03-23' + +# This file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that +# program. This Exception is an additional permission under section 7 +# of the GNU General Public License, version 3 ("GPLv3"). +# +# Originally written by Per Bothner. +# +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD +# +# Please send patches with a ChangeLog entry to config-patches@gnu.org. + + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] + +Output the configuration name of the system \`$me' is run on. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.guess ($timestamp) + +Originally written by Per Bothner. +Copyright 1992-2014 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" >&2 + exit 1 ;; + * ) + break ;; + esac +done + +if test $# != 0; then + echo "$me: too many arguments$help" >&2 + exit 1 +fi + +trap 'exit 1' 1 2 15 + +# CC_FOR_BUILD -- compiler used by this script. Note that the use of a +# compiler to aid in system detection is discouraged as it requires +# temporary files to be created and, as you can see below, it is a +# headache to deal with in a portable fashion. + +# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still +# use `HOST_CC' if defined, but it is deprecated. + +# Portable tmp directory creation inspired by the Autoconf team. + +set_cc_for_build=' +trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ; +trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ; +: ${TMPDIR=/tmp} ; + { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } || + { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } || + { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } || + { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ; +dummy=$tmp/dummy ; +tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ; +case $CC_FOR_BUILD,$HOST_CC,$CC in + ,,) echo "int x;" > $dummy.c ; + for c in cc gcc c89 c99 ; do + if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then + CC_FOR_BUILD="$c"; break ; + fi ; + done ; + if test x"$CC_FOR_BUILD" = x ; then + CC_FOR_BUILD=no_compiler_found ; + fi + ;; + ,,*) CC_FOR_BUILD=$CC ;; + ,*,*) CC_FOR_BUILD=$HOST_CC ;; +esac ; set_cc_for_build= ;' + +# This is needed to find uname on a Pyramid OSx when run in the BSD universe. +# (ghazi@noc.rutgers.edu 1994-08-24) +if (test -f /.attbin/uname) >/dev/null 2>&1 ; then + PATH=$PATH:/.attbin ; export PATH +fi + +UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown +UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown +UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown +UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown + +case "${UNAME_SYSTEM}" in +Linux|GNU|GNU/*) + # If the system lacks a compiler, then just pick glibc. + # We could probably try harder. + LIBC=gnu + + eval $set_cc_for_build + cat <<-EOF > $dummy.c + #include + #if defined(__UCLIBC__) + LIBC=uclibc + #elif defined(__dietlibc__) + LIBC=dietlibc + #else + LIBC=gnu + #endif + EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC' | sed 's, ,,g'` + ;; +esac + +# Note: order is significant - the case branches are not exclusive. + +case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in + *:NetBSD:*:*) + # NetBSD (nbsd) targets should (where applicable) match one or + # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*, + # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently + # switched to ELF, *-*-netbsd* would select the old + # object file format. This provides both forward + # compatibility and a consistent mechanism for selecting the + # object file format. + # + # Note: NetBSD doesn't particularly care about the vendor + # portion of the name. We always set it to "unknown". + sysctl="sysctl -n hw.machine_arch" + UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \ + /usr/sbin/$sysctl 2>/dev/null || echo unknown)` + case "${UNAME_MACHINE_ARCH}" in + armeb) machine=armeb-unknown ;; + arm*) machine=arm-unknown ;; + sh3el) machine=shl-unknown ;; + sh3eb) machine=sh-unknown ;; + sh5el) machine=sh5le-unknown ;; + *) machine=${UNAME_MACHINE_ARCH}-unknown ;; + esac + # The Operating System including object format, if it has switched + # to ELF recently, or will in the future. + case "${UNAME_MACHINE_ARCH}" in + arm*|i386|m68k|ns32k|sh3*|sparc|vax) + eval $set_cc_for_build + if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ELF__ + then + # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout). + # Return netbsd for either. FIX? + os=netbsd + else + os=netbsdelf + fi + ;; + *) + os=netbsd + ;; + esac + # The OS release + # Debian GNU/NetBSD machines have a different userland, and + # thus, need a distinct triplet. However, they do not need + # kernel version information, so it can be replaced with a + # suitable tag, in the style of linux-gnu. + case "${UNAME_VERSION}" in + Debian*) + release='-gnu' + ;; + *) + release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'` + ;; + esac + # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM: + # contains redundant information, the shorter form: + # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used. + echo "${machine}-${os}${release}" + exit ;; + *:Bitrig:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-bitrig${UNAME_RELEASE} + exit ;; + *:OpenBSD:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE} + exit ;; + *:ekkoBSD:*:*) + echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE} + exit ;; + *:SolidBSD:*:*) + echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE} + exit ;; + macppc:MirBSD:*:*) + echo powerpc-unknown-mirbsd${UNAME_RELEASE} + exit ;; + *:MirBSD:*:*) + echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE} + exit ;; + alpha:OSF1:*:*) + case $UNAME_RELEASE in + *4.0) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'` + ;; + *5.*) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'` + ;; + esac + # According to Compaq, /usr/sbin/psrinfo has been available on + # OSF/1 and Tru64 systems produced since 1995. I hope that + # covers most systems running today. This code pipes the CPU + # types through head -n 1, so we only detect the type of CPU 0. + ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1` + case "$ALPHA_CPU_TYPE" in + "EV4 (21064)") + UNAME_MACHINE="alpha" ;; + "EV4.5 (21064)") + UNAME_MACHINE="alpha" ;; + "LCA4 (21066/21068)") + UNAME_MACHINE="alpha" ;; + "EV5 (21164)") + UNAME_MACHINE="alphaev5" ;; + "EV5.6 (21164A)") + UNAME_MACHINE="alphaev56" ;; + "EV5.6 (21164PC)") + UNAME_MACHINE="alphapca56" ;; + "EV5.7 (21164PC)") + UNAME_MACHINE="alphapca57" ;; + "EV6 (21264)") + UNAME_MACHINE="alphaev6" ;; + "EV6.7 (21264A)") + UNAME_MACHINE="alphaev67" ;; + "EV6.8CB (21264C)") + UNAME_MACHINE="alphaev68" ;; + "EV6.8AL (21264B)") + UNAME_MACHINE="alphaev68" ;; + "EV6.8CX (21264D)") + UNAME_MACHINE="alphaev68" ;; + "EV6.9A (21264/EV69A)") + UNAME_MACHINE="alphaev69" ;; + "EV7 (21364)") + UNAME_MACHINE="alphaev7" ;; + "EV7.9 (21364A)") + UNAME_MACHINE="alphaev79" ;; + esac + # A Pn.n version is a patched version. + # A Vn.n version is a released version. + # A Tn.n version is a released field test version. + # A Xn.n version is an unreleased experimental baselevel. + # 1.2 uses "1.2" for uname -r. + echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` + # Reset EXIT trap before exiting to avoid spurious non-zero exit code. + exitcode=$? + trap '' 0 + exit $exitcode ;; + Alpha\ *:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # Should we change UNAME_MACHINE based on the output of uname instead + # of the specific Alpha model? + echo alpha-pc-interix + exit ;; + 21064:Windows_NT:50:3) + echo alpha-dec-winnt3.5 + exit ;; + Amiga*:UNIX_System_V:4.0:*) + echo m68k-unknown-sysv4 + exit ;; + *:[Aa]miga[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-amigaos + exit ;; + *:[Mm]orph[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-morphos + exit ;; + *:OS/390:*:*) + echo i370-ibm-openedition + exit ;; + *:z/VM:*:*) + echo s390-ibm-zvmoe + exit ;; + *:OS400:*:*) + echo powerpc-ibm-os400 + exit ;; + arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) + echo arm-acorn-riscix${UNAME_RELEASE} + exit ;; + arm*:riscos:*:*|arm*:RISCOS:*:*) + echo arm-unknown-riscos + exit ;; + SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*) + echo hppa1.1-hitachi-hiuxmpp + exit ;; + Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*) + # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE. + if test "`(/bin/universe) 2>/dev/null`" = att ; then + echo pyramid-pyramid-sysv3 + else + echo pyramid-pyramid-bsd + fi + exit ;; + NILE*:*:*:dcosx) + echo pyramid-pyramid-svr4 + exit ;; + DRS?6000:unix:4.0:6*) + echo sparc-icl-nx6 + exit ;; + DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) + case `/usr/bin/uname -p` in + sparc) echo sparc-icl-nx7; exit ;; + esac ;; + s390x:SunOS:*:*) + echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4H:SunOS:5.*:*) + echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) + echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) + echo i386-pc-auroraux${UNAME_RELEASE} + exit ;; + i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) + eval $set_cc_for_build + SUN_ARCH="i386" + # If there is a compiler, see if it is configured for 64-bit objects. + # Note that the Sun cc does not turn __LP64__ into 1 like gcc does. + # This test works for both compilers. + if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then + if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + SUN_ARCH="x86_64" + fi + fi + echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:6*:*) + # According to config.sub, this is the proper way to canonicalize + # SunOS6. Hard to guess exactly what SunOS6 will be like, but + # it's likely to be more like Solaris than SunOS4. + echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:*:*) + case "`/usr/bin/arch -k`" in + Series*|S4*) + UNAME_RELEASE=`uname -v` + ;; + esac + # Japanese Language versions have a version number like `4.1.3-JL'. + echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` + exit ;; + sun3*:SunOS:*:*) + echo m68k-sun-sunos${UNAME_RELEASE} + exit ;; + sun*:*:4.2BSD:*) + UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` + test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3 + case "`/bin/arch`" in + sun3) + echo m68k-sun-sunos${UNAME_RELEASE} + ;; + sun4) + echo sparc-sun-sunos${UNAME_RELEASE} + ;; + esac + exit ;; + aushp:SunOS:*:*) + echo sparc-auspex-sunos${UNAME_RELEASE} + exit ;; + # The situation for MiNT is a little confusing. The machine name + # can be virtually everything (everything which is not + # "atarist" or "atariste" at least should have a processor + # > m68000). The system name ranges from "MiNT" over "FreeMiNT" + # to the lowercase version "mint" (or "freemint"). Finally + # the system name "TOS" denotes a system which is actually not + # MiNT. But MiNT is downward compatible to TOS, so this should + # be no problem. + atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) + echo m68k-milan-mint${UNAME_RELEASE} + exit ;; + hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) + echo m68k-hades-mint${UNAME_RELEASE} + exit ;; + *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) + echo m68k-unknown-mint${UNAME_RELEASE} + exit ;; + m68k:machten:*:*) + echo m68k-apple-machten${UNAME_RELEASE} + exit ;; + powerpc:machten:*:*) + echo powerpc-apple-machten${UNAME_RELEASE} + exit ;; + RISC*:Mach:*:*) + echo mips-dec-mach_bsd4.3 + exit ;; + RISC*:ULTRIX:*:*) + echo mips-dec-ultrix${UNAME_RELEASE} + exit ;; + VAX*:ULTRIX*:*:*) + echo vax-dec-ultrix${UNAME_RELEASE} + exit ;; + 2020:CLIX:*:* | 2430:CLIX:*:*) + echo clipper-intergraph-clix${UNAME_RELEASE} + exit ;; + mips:*:*:UMIPS | mips:*:*:RISCos) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c +#ifdef __cplusplus +#include /* for printf() prototype */ + int main (int argc, char *argv[]) { +#else + int main (argc, argv) int argc; char *argv[]; { +#endif + #if defined (host_mips) && defined (MIPSEB) + #if defined (SYSTYPE_SYSV) + printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_SVR4) + printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) + printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); + #endif + #endif + exit (-1); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && + dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && + SYSTEM_NAME=`$dummy $dummyarg` && + { echo "$SYSTEM_NAME"; exit; } + echo mips-mips-riscos${UNAME_RELEASE} + exit ;; + Motorola:PowerMAX_OS:*:*) + echo powerpc-motorola-powermax + exit ;; + Motorola:*:4.3:PL8-*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:Power_UNIX:*:*) + echo powerpc-harris-powerunix + exit ;; + m88k:CX/UX:7*:*) + echo m88k-harris-cxux7 + exit ;; + m88k:*:4*:R4*) + echo m88k-motorola-sysv4 + exit ;; + m88k:*:3*:R3*) + echo m88k-motorola-sysv3 + exit ;; + AViiON:dgux:*:*) + # DG/UX returns AViiON for all architectures + UNAME_PROCESSOR=`/usr/bin/uname -p` + if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] + then + if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ + [ ${TARGET_BINARY_INTERFACE}x = x ] + then + echo m88k-dg-dgux${UNAME_RELEASE} + else + echo m88k-dg-dguxbcs${UNAME_RELEASE} + fi + else + echo i586-dg-dgux${UNAME_RELEASE} + fi + exit ;; + M88*:DolphinOS:*:*) # DolphinOS (SVR3) + echo m88k-dolphin-sysv3 + exit ;; + M88*:*:R3*:*) + # Delta 88k system running SVR3 + echo m88k-motorola-sysv3 + exit ;; + XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) + echo m88k-tektronix-sysv3 + exit ;; + Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) + echo m68k-tektronix-bsd + exit ;; + *:IRIX*:*:*) + echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` + exit ;; + ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. + echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id + exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' + i*86:AIX:*:*) + echo i386-ibm-aix + exit ;; + ia64:AIX:*:*) + if [ -x /usr/bin/oslevel ] ; then + IBM_REV=`/usr/bin/oslevel` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} + exit ;; + *:AIX:2:3) + if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + + main() + { + if (!__power_pc()) + exit(1); + puts("powerpc-ibm-aix3.2.5"); + exit(0); + } +EOF + if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` + then + echo "$SYSTEM_NAME" + else + echo rs6000-ibm-aix3.2.5 + fi + elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then + echo rs6000-ibm-aix3.2.4 + else + echo rs6000-ibm-aix3.2 + fi + exit ;; + *:AIX:*:[4567]) + IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` + if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then + IBM_ARCH=rs6000 + else + IBM_ARCH=powerpc + fi + if [ -x /usr/bin/oslevel ] ; then + IBM_REV=`/usr/bin/oslevel` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${IBM_ARCH}-ibm-aix${IBM_REV} + exit ;; + *:AIX:*:*) + echo rs6000-ibm-aix + exit ;; + ibmrt:4.4BSD:*|romp-ibm:BSD:*) + echo romp-ibm-bsd4.4 + exit ;; + ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and + echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to + exit ;; # report: romp-ibm BSD 4.3 + *:BOSX:*:*) + echo rs6000-bull-bosx + exit ;; + DPX/2?00:B.O.S.:*:*) + echo m68k-bull-sysv3 + exit ;; + 9000/[34]??:4.3bsd:1.*:*) + echo m68k-hp-bsd + exit ;; + hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) + echo m68k-hp-bsd4.4 + exit ;; + 9000/[34678]??:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + case "${UNAME_MACHINE}" in + 9000/31? ) HP_ARCH=m68000 ;; + 9000/[34]?? ) HP_ARCH=m68k ;; + 9000/[678][0-9][0-9]) + if [ -x /usr/bin/getconf ]; then + sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` + sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` + case "${sc_cpu_version}" in + 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 + 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 + 532) # CPU_PA_RISC2_0 + case "${sc_kernel_bits}" in + 32) HP_ARCH="hppa2.0n" ;; + 64) HP_ARCH="hppa2.0w" ;; + '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 + esac ;; + esac + fi + if [ "${HP_ARCH}" = "" ]; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + + #define _HPUX_SOURCE + #include + #include + + int main () + { + #if defined(_SC_KERNEL_BITS) + long bits = sysconf(_SC_KERNEL_BITS); + #endif + long cpu = sysconf (_SC_CPU_VERSION); + + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1"); break; + case CPU_PA_RISC2_0: + #if defined(_SC_KERNEL_BITS) + switch (bits) + { + case 64: puts ("hppa2.0w"); break; + case 32: puts ("hppa2.0n"); break; + default: puts ("hppa2.0"); break; + } break; + #else /* !defined(_SC_KERNEL_BITS) */ + puts ("hppa2.0"); break; + #endif + default: puts ("hppa1.0"); break; + } + exit (0); + } +EOF + (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` + test -z "$HP_ARCH" && HP_ARCH=hppa + fi ;; + esac + if [ ${HP_ARCH} = "hppa2.0w" ] + then + eval $set_cc_for_build + + # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating + # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler + # generating 64-bit code. GNU and HP use different nomenclature: + # + # $ CC_FOR_BUILD=cc ./config.guess + # => hppa2.0w-hp-hpux11.23 + # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess + # => hppa64-hp-hpux11.23 + + if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | + grep -q __LP64__ + then + HP_ARCH="hppa2.0w" + else + HP_ARCH="hppa64" + fi + fi + echo ${HP_ARCH}-hp-hpux${HPUX_REV} + exit ;; + ia64:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + echo ia64-hp-hpux${HPUX_REV} + exit ;; + 3050*:HI-UX:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + int + main () + { + long cpu = sysconf (_SC_CPU_VERSION); + /* The order matters, because CPU_IS_HP_MC68K erroneously returns + true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct + results, however. */ + if (CPU_IS_PA_RISC (cpu)) + { + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; + case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; + default: puts ("hppa-hitachi-hiuxwe2"); break; + } + } + else if (CPU_IS_HP_MC68K (cpu)) + puts ("m68k-hitachi-hiuxwe2"); + else puts ("unknown-hitachi-hiuxwe2"); + exit (0); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && + { echo "$SYSTEM_NAME"; exit; } + echo unknown-hitachi-hiuxwe2 + exit ;; + 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) + echo hppa1.1-hp-bsd + exit ;; + 9000/8??:4.3bsd:*:*) + echo hppa1.0-hp-bsd + exit ;; + *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) + echo hppa1.0-hp-mpeix + exit ;; + hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) + echo hppa1.1-hp-osf + exit ;; + hp8??:OSF1:*:*) + echo hppa1.0-hp-osf + exit ;; + i*86:OSF1:*:*) + if [ -x /usr/sbin/sysversion ] ; then + echo ${UNAME_MACHINE}-unknown-osf1mk + else + echo ${UNAME_MACHINE}-unknown-osf1 + fi + exit ;; + parisc*:Lites*:*:*) + echo hppa1.1-hp-lites + exit ;; + C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) + echo c1-convex-bsd + exit ;; + C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) + if getsysinfo -f scalar_acc + then echo c32-convex-bsd + else echo c2-convex-bsd + fi + exit ;; + C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) + echo c34-convex-bsd + exit ;; + C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) + echo c38-convex-bsd + exit ;; + C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) + echo c4-convex-bsd + exit ;; + CRAY*Y-MP:*:*:*) + echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*[A-Z]90:*:*:*) + echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ + | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ + -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ + -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*TS:*:*:*) + echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*T3E:*:*:*) + echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*SV1:*:*:*) + echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + *:UNICOS/mp:*:*) + echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) + FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` + FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` + echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + 5000:UNIX_System_V:4.*:*) + FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` + echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) + echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} + exit ;; + sparc*:BSD/OS:*:*) + echo sparc-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:BSD/OS:*:*) + echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:FreeBSD:*:*) + UNAME_PROCESSOR=`/usr/bin/uname -p` + case ${UNAME_PROCESSOR} in + amd64) + echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + *) + echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + esac + exit ;; + i*:CYGWIN*:*) + echo ${UNAME_MACHINE}-pc-cygwin + exit ;; + *:MINGW64*:*) + echo ${UNAME_MACHINE}-pc-mingw64 + exit ;; + *:MINGW*:*) + echo ${UNAME_MACHINE}-pc-mingw32 + exit ;; + *:MSYS*:*) + echo ${UNAME_MACHINE}-pc-msys + exit ;; + i*:windows32*:*) + # uname -m includes "-pc" on this system. + echo ${UNAME_MACHINE}-mingw32 + exit ;; + i*:PW*:*) + echo ${UNAME_MACHINE}-pc-pw32 + exit ;; + *:Interix*:*) + case ${UNAME_MACHINE} in + x86) + echo i586-pc-interix${UNAME_RELEASE} + exit ;; + authenticamd | genuineintel | EM64T) + echo x86_64-unknown-interix${UNAME_RELEASE} + exit ;; + IA64) + echo ia64-unknown-interix${UNAME_RELEASE} + exit ;; + esac ;; + [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) + echo i${UNAME_MACHINE}-pc-mks + exit ;; + 8664:Windows_NT:*) + echo x86_64-pc-mks + exit ;; + i*:Windows_NT*:* | Pentium*:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we + # UNAME_MACHINE based on the output of uname instead of i386? + echo i586-pc-interix + exit ;; + i*:UWIN*:*) + echo ${UNAME_MACHINE}-pc-uwin + exit ;; + amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) + echo x86_64-unknown-cygwin + exit ;; + p*:CYGWIN*:*) + echo powerpcle-unknown-cygwin + exit ;; + prep*:SunOS:5.*:*) + echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + *:GNU:*:*) + # the GNU system + echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-${LIBC}`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` + exit ;; + *:GNU/*:*:*) + # other systems with GNU libc and userland + echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC} + exit ;; + i*86:Minix:*:*) + echo ${UNAME_MACHINE}-pc-minix + exit ;; + aarch64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + aarch64_be:Linux:*:*) + UNAME_MACHINE=aarch64_be + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + alpha:Linux:*:*) + case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in + EV5) UNAME_MACHINE=alphaev5 ;; + EV56) UNAME_MACHINE=alphaev56 ;; + PCA56) UNAME_MACHINE=alphapca56 ;; + PCA57) UNAME_MACHINE=alphapca56 ;; + EV6) UNAME_MACHINE=alphaev6 ;; + EV67) UNAME_MACHINE=alphaev67 ;; + EV68*) UNAME_MACHINE=alphaev68 ;; + esac + objdump --private-headers /bin/sh | grep -q ld.so.1 + if test "$?" = 0 ; then LIBC="gnulibc1" ; fi + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + arc:Linux:*:* | arceb:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + arm*:Linux:*:*) + eval $set_cc_for_build + if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_EABI__ + then + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + else + if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_PCS_VFP + then + echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi + else + echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf + fi + fi + exit ;; + avr32*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + cris:Linux:*:*) + echo ${UNAME_MACHINE}-axis-linux-${LIBC} + exit ;; + crisv32:Linux:*:*) + echo ${UNAME_MACHINE}-axis-linux-${LIBC} + exit ;; + frv:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + hexagon:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + i*86:Linux:*:*) + echo ${UNAME_MACHINE}-pc-linux-${LIBC} + exit ;; + ia64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + m32r*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + m68*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + mips:Linux:*:* | mips64:Linux:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #undef CPU + #undef ${UNAME_MACHINE} + #undef ${UNAME_MACHINE}el + #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) + CPU=${UNAME_MACHINE}el + #else + #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) + CPU=${UNAME_MACHINE} + #else + CPU= + #endif + #endif +EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` + test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; } + ;; + openrisc*:Linux:*:*) + echo or1k-unknown-linux-${LIBC} + exit ;; + or32:Linux:*:* | or1k*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + padre:Linux:*:*) + echo sparc-unknown-linux-${LIBC} + exit ;; + parisc64:Linux:*:* | hppa64:Linux:*:*) + echo hppa64-unknown-linux-${LIBC} + exit ;; + parisc:Linux:*:* | hppa:Linux:*:*) + # Look for CPU level + case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in + PA7*) echo hppa1.1-unknown-linux-${LIBC} ;; + PA8*) echo hppa2.0-unknown-linux-${LIBC} ;; + *) echo hppa-unknown-linux-${LIBC} ;; + esac + exit ;; + ppc64:Linux:*:*) + echo powerpc64-unknown-linux-${LIBC} + exit ;; + ppc:Linux:*:*) + echo powerpc-unknown-linux-${LIBC} + exit ;; + ppc64le:Linux:*:*) + echo powerpc64le-unknown-linux-${LIBC} + exit ;; + ppcle:Linux:*:*) + echo powerpcle-unknown-linux-${LIBC} + exit ;; + s390:Linux:*:* | s390x:Linux:*:*) + echo ${UNAME_MACHINE}-ibm-linux-${LIBC} + exit ;; + sh64*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + sh*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + sparc:Linux:*:* | sparc64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + tile*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + vax:Linux:*:*) + echo ${UNAME_MACHINE}-dec-linux-${LIBC} + exit ;; + x86_64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + xtensa*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + i*86:DYNIX/ptx:4*:*) + # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. + # earlier versions are messed up and put the nodename in both + # sysname and nodename. + echo i386-sequent-sysv4 + exit ;; + i*86:UNIX_SV:4.2MP:2.*) + # Unixware is an offshoot of SVR4, but it has its own version + # number series starting with 2... + # I am not positive that other SVR4 systems won't match this, + # I just have to hope. -- rms. + # Use sysv4.2uw... so that sysv4* matches it. + echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} + exit ;; + i*86:OS/2:*:*) + # If we were able to find `uname', then EMX Unix compatibility + # is probably installed. + echo ${UNAME_MACHINE}-pc-os2-emx + exit ;; + i*86:XTS-300:*:STOP) + echo ${UNAME_MACHINE}-unknown-stop + exit ;; + i*86:atheos:*:*) + echo ${UNAME_MACHINE}-unknown-atheos + exit ;; + i*86:syllable:*:*) + echo ${UNAME_MACHINE}-pc-syllable + exit ;; + i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) + echo i386-unknown-lynxos${UNAME_RELEASE} + exit ;; + i*86:*DOS:*:*) + echo ${UNAME_MACHINE}-pc-msdosdjgpp + exit ;; + i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) + UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` + if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then + echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} + else + echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} + fi + exit ;; + i*86:*:5:[678]*) + # UnixWare 7.x, OpenUNIX and OpenServer 6. + case `/bin/uname -X | grep "^Machine"` in + *486*) UNAME_MACHINE=i486 ;; + *Pentium) UNAME_MACHINE=i586 ;; + *Pent*|*Celeron) UNAME_MACHINE=i686 ;; + esac + echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} + exit ;; + i*86:*:3.2:*) + if test -f /usr/options/cb.name; then + UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then + UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` + (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 + (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ + && UNAME_MACHINE=i586 + (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ + && UNAME_MACHINE=i686 + (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ + && UNAME_MACHINE=i686 + echo ${UNAME_MACHINE}-pc-sco$UNAME_REL + else + echo ${UNAME_MACHINE}-pc-sysv32 + fi + exit ;; + pc:*:*:*) + # Left here for compatibility: + # uname -m prints for DJGPP always 'pc', but it prints nothing about + # the processor, so we play safe by assuming i586. + # Note: whatever this is, it MUST be the same as what config.sub + # prints for the "djgpp" host, or else GDB configury will decide that + # this is a cross-build. + echo i586-pc-msdosdjgpp + exit ;; + Intel:Mach:3*:*) + echo i386-pc-mach3 + exit ;; + paragon:*:*:*) + echo i860-intel-osf1 + exit ;; + i860:*:4.*:*) # i860-SVR4 + if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then + echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 + else # Add other i860-SVR4 vendors below as they are discovered. + echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 + fi + exit ;; + mini*:CTIX:SYS*5:*) + # "miniframe" + echo m68010-convergent-sysv + exit ;; + mc68k:UNIX:SYSTEM5:3.51m) + echo m68k-convergent-sysv + exit ;; + M680?0:D-NIX:5.3:*) + echo m68k-diab-dnix + exit ;; + M68*:*:R3V[5678]*:*) + test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; + 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) + OS_REL='' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4; exit; } ;; + NCR*:*:4.2:* | MPRAS*:*:4.2:*) + OS_REL='.3' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) + echo m68k-unknown-lynxos${UNAME_RELEASE} + exit ;; + mc68030:UNIX_System_V:4.*:*) + echo m68k-atari-sysv4 + exit ;; + TSUNAMI:LynxOS:2.*:*) + echo sparc-unknown-lynxos${UNAME_RELEASE} + exit ;; + rs6000:LynxOS:2.*:*) + echo rs6000-unknown-lynxos${UNAME_RELEASE} + exit ;; + PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) + echo powerpc-unknown-lynxos${UNAME_RELEASE} + exit ;; + SM[BE]S:UNIX_SV:*:*) + echo mips-dde-sysv${UNAME_RELEASE} + exit ;; + RM*:ReliantUNIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + RM*:SINIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + *:SINIX-*:*:*) + if uname -p 2>/dev/null >/dev/null ; then + UNAME_MACHINE=`(uname -p) 2>/dev/null` + echo ${UNAME_MACHINE}-sni-sysv4 + else + echo ns32k-sni-sysv + fi + exit ;; + PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort + # says + echo i586-unisys-sysv4 + exit ;; + *:UNIX_System_V:4*:FTX*) + # From Gerald Hewes . + # How about differentiating between stratus architectures? -djm + echo hppa1.1-stratus-sysv4 + exit ;; + *:*:*:FTX*) + # From seanf@swdc.stratus.com. + echo i860-stratus-sysv4 + exit ;; + i*86:VOS:*:*) + # From Paul.Green@stratus.com. + echo ${UNAME_MACHINE}-stratus-vos + exit ;; + *:VOS:*:*) + # From Paul.Green@stratus.com. + echo hppa1.1-stratus-vos + exit ;; + mc68*:A/UX:*:*) + echo m68k-apple-aux${UNAME_RELEASE} + exit ;; + news*:NEWS-OS:6*:*) + echo mips-sony-newsos6 + exit ;; + R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) + if [ -d /usr/nec ]; then + echo mips-nec-sysv${UNAME_RELEASE} + else + echo mips-unknown-sysv${UNAME_RELEASE} + fi + exit ;; + BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. + echo powerpc-be-beos + exit ;; + BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. + echo powerpc-apple-beos + exit ;; + BePC:BeOS:*:*) # BeOS running on Intel PC compatible. + echo i586-pc-beos + exit ;; + BePC:Haiku:*:*) # Haiku running on Intel PC compatible. + echo i586-pc-haiku + exit ;; + x86_64:Haiku:*:*) + echo x86_64-unknown-haiku + exit ;; + SX-4:SUPER-UX:*:*) + echo sx4-nec-superux${UNAME_RELEASE} + exit ;; + SX-5:SUPER-UX:*:*) + echo sx5-nec-superux${UNAME_RELEASE} + exit ;; + SX-6:SUPER-UX:*:*) + echo sx6-nec-superux${UNAME_RELEASE} + exit ;; + SX-7:SUPER-UX:*:*) + echo sx7-nec-superux${UNAME_RELEASE} + exit ;; + SX-8:SUPER-UX:*:*) + echo sx8-nec-superux${UNAME_RELEASE} + exit ;; + SX-8R:SUPER-UX:*:*) + echo sx8r-nec-superux${UNAME_RELEASE} + exit ;; + Power*:Rhapsody:*:*) + echo powerpc-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Rhapsody:*:*) + echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Darwin:*:*) + UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown + eval $set_cc_for_build + if test "$UNAME_PROCESSOR" = unknown ; then + UNAME_PROCESSOR=powerpc + fi + if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then + if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then + if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + case $UNAME_PROCESSOR in + i386) UNAME_PROCESSOR=x86_64 ;; + powerpc) UNAME_PROCESSOR=powerpc64 ;; + esac + fi + fi + elif test "$UNAME_PROCESSOR" = i386 ; then + # Avoid executing cc on OS X 10.9, as it ships with a stub + # that puts up a graphical alert prompting to install + # developer tools. Any system running Mac OS X 10.7 or + # later (Darwin 11 and later) is required to have a 64-bit + # processor. This is not true of the ARM version of Darwin + # that Apple uses in portable devices. + UNAME_PROCESSOR=x86_64 + fi + echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} + exit ;; + *:procnto*:*:* | *:QNX:[0123456789]*:*) + UNAME_PROCESSOR=`uname -p` + if test "$UNAME_PROCESSOR" = "x86"; then + UNAME_PROCESSOR=i386 + UNAME_MACHINE=pc + fi + echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} + exit ;; + *:QNX:*:4*) + echo i386-pc-qnx + exit ;; + NEO-?:NONSTOP_KERNEL:*:*) + echo neo-tandem-nsk${UNAME_RELEASE} + exit ;; + NSE-*:NONSTOP_KERNEL:*:*) + echo nse-tandem-nsk${UNAME_RELEASE} + exit ;; + NSR-?:NONSTOP_KERNEL:*:*) + echo nsr-tandem-nsk${UNAME_RELEASE} + exit ;; + *:NonStop-UX:*:*) + echo mips-compaq-nonstopux + exit ;; + BS2000:POSIX*:*:*) + echo bs2000-siemens-sysv + exit ;; + DS/*:UNIX_System_V:*:*) + echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} + exit ;; + *:Plan9:*:*) + # "uname -m" is not consistent, so use $cputype instead. 386 + # is converted to i386 for consistency with other x86 + # operating systems. + if test "$cputype" = "386"; then + UNAME_MACHINE=i386 + else + UNAME_MACHINE="$cputype" + fi + echo ${UNAME_MACHINE}-unknown-plan9 + exit ;; + *:TOPS-10:*:*) + echo pdp10-unknown-tops10 + exit ;; + *:TENEX:*:*) + echo pdp10-unknown-tenex + exit ;; + KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) + echo pdp10-dec-tops20 + exit ;; + XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) + echo pdp10-xkl-tops20 + exit ;; + *:TOPS-20:*:*) + echo pdp10-unknown-tops20 + exit ;; + *:ITS:*:*) + echo pdp10-unknown-its + exit ;; + SEI:*:*:SEIUX) + echo mips-sei-seiux${UNAME_RELEASE} + exit ;; + *:DragonFly:*:*) + echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` + exit ;; + *:*VMS:*:*) + UNAME_MACHINE=`(uname -p) 2>/dev/null` + case "${UNAME_MACHINE}" in + A*) echo alpha-dec-vms ; exit ;; + I*) echo ia64-dec-vms ; exit ;; + V*) echo vax-dec-vms ; exit ;; + esac ;; + *:XENIX:*:SysV) + echo i386-pc-xenix + exit ;; + i*86:skyos:*:*) + echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' + exit ;; + i*86:rdos:*:*) + echo ${UNAME_MACHINE}-pc-rdos + exit ;; + i*86:AROS:*:*) + echo ${UNAME_MACHINE}-pc-aros + exit ;; + x86_64:VMkernel:*:*) + echo ${UNAME_MACHINE}-unknown-esx + exit ;; +esac + +cat >&2 < in order to provide the needed +information to handle your system. + +config.guess timestamp = $timestamp + +uname -m = `(uname -m) 2>/dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null` + +hostinfo = `(hostinfo) 2>/dev/null` +/bin/universe = `(/bin/universe) 2>/dev/null` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` +/bin/arch = `(/bin/arch) 2>/dev/null` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` + +UNAME_MACHINE = ${UNAME_MACHINE} +UNAME_RELEASE = ${UNAME_RELEASE} +UNAME_SYSTEM = ${UNAME_SYSTEM} +UNAME_VERSION = ${UNAME_VERSION} +EOF + +exit 1 + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/config/config.sub b/config/config.sub new file mode 100755 index 0000000..bba4efb --- /dev/null +++ b/config/config.sub @@ -0,0 +1,1799 @@ +#! /bin/sh +# Configuration validation subroutine script. +# Copyright 1992-2014 Free Software Foundation, Inc. + +timestamp='2014-09-11' + +# This file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that +# program. This Exception is an additional permission under section 7 +# of the GNU General Public License, version 3 ("GPLv3"). + + +# Please send patches with a ChangeLog entry to config-patches@gnu.org. +# +# Configuration subroutine to validate and canonicalize a configuration type. +# Supply the specified configuration type as an argument. +# If it is invalid, we print an error message on stderr and exit with code 1. +# Otherwise, we print the canonical config type on stdout and succeed. + +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD + +# This file is supposed to be the same for all GNU packages +# and recognize all the CPU types, system types and aliases +# that are meaningful with *any* GNU software. +# Each package is responsible for reporting which valid configurations +# it does not support. The user should be able to distinguish +# a failure to support a valid configuration from a meaningless +# configuration. + +# The goal of this file is to map all the various variations of a given +# machine specification into a single specification in the form: +# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM +# or in some cases, the newer four-part form: +# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM +# It is wrong to echo any other type of specification. + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] CPU-MFR-OPSYS + $0 [OPTION] ALIAS + +Canonicalize a configuration name. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.sub ($timestamp) + +Copyright 1992-2014 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" + exit 1 ;; + + *local*) + # First pass through any local machine types. + echo $1 + exit ;; + + * ) + break ;; + esac +done + +case $# in + 0) echo "$me: missing argument$help" >&2 + exit 1;; + 1) ;; + *) echo "$me: too many arguments$help" >&2 + exit 1;; +esac + +# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). +# Here we must recognize all the valid KERNEL-OS combinations. +maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` +case $maybe_os in + nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ + linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ + knetbsd*-gnu* | netbsd*-gnu* | \ + kopensolaris*-gnu* | \ + storm-chaos* | os2-emx* | rtmk-nova*) + os=-$maybe_os + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` + ;; + android-linux) + os=-linux-android + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown + ;; + *) + basic_machine=`echo $1 | sed 's/-[^-]*$//'` + if [ $basic_machine != $1 ] + then os=`echo $1 | sed 's/.*-/-/'` + else os=; fi + ;; +esac + +### Let's recognize common machines as not being operating systems so +### that things like config.sub decstation-3100 work. We also +### recognize some manufacturers as not being operating systems, so we +### can provide default operating systems below. +case $os in + -sun*os*) + # Prevent following clause from handling this invalid input. + ;; + -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ + -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ + -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ + -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ + -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ + -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ + -apple | -axis | -knuth | -cray | -microblaze*) + os= + basic_machine=$1 + ;; + -bluegene*) + os=-cnk + ;; + -sim | -cisco | -oki | -wec | -winbond) + os= + basic_machine=$1 + ;; + -scout) + ;; + -wrs) + os=-vxworks + basic_machine=$1 + ;; + -chorusos*) + os=-chorusos + basic_machine=$1 + ;; + -chorusrdb) + os=-chorusrdb + basic_machine=$1 + ;; + -hiux*) + os=-hiuxwe2 + ;; + -sco6) + os=-sco5v6 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5) + os=-sco3.2v5 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco4) + os=-sco3.2v4 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2.[4-9]*) + os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2v[4-9]*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5v6*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco*) + os=-sco3.2v2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -udk*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -isc) + os=-isc2.2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -clix*) + basic_machine=clipper-intergraph + ;; + -isc*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -lynx*178) + os=-lynxos178 + ;; + -lynx*5) + os=-lynxos5 + ;; + -lynx*) + os=-lynxos + ;; + -ptx*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` + ;; + -windowsnt*) + os=`echo $os | sed -e 's/windowsnt/winnt/'` + ;; + -psos*) + os=-psos + ;; + -mint | -mint[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; +esac + +# Decode aliases for certain CPU-COMPANY combinations. +case $basic_machine in + # Recognize the basic CPU types without company name. + # Some are omitted here because they have special meanings below. + 1750a | 580 \ + | a29k \ + | aarch64 | aarch64_be \ + | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ + | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ + | am33_2.0 \ + | arc | arceb \ + | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \ + | avr | avr32 \ + | be32 | be64 \ + | bfin \ + | c4x | c8051 | clipper \ + | d10v | d30v | dlx | dsp16xx \ + | epiphany \ + | fido | fr30 | frv \ + | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ + | hexagon \ + | i370 | i860 | i960 | ia64 \ + | ip2k | iq2000 \ + | k1om \ + | le32 | le64 \ + | lm32 \ + | m32c | m32r | m32rle | m68000 | m68k | m88k \ + | maxq | mb | microblaze | microblazeel | mcore | mep | metag \ + | mips | mipsbe | mipseb | mipsel | mipsle \ + | mips16 \ + | mips64 | mips64el \ + | mips64octeon | mips64octeonel \ + | mips64orion | mips64orionel \ + | mips64r5900 | mips64r5900el \ + | mips64vr | mips64vrel \ + | mips64vr4100 | mips64vr4100el \ + | mips64vr4300 | mips64vr4300el \ + | mips64vr5000 | mips64vr5000el \ + | mips64vr5900 | mips64vr5900el \ + | mipsisa32 | mipsisa32el \ + | mipsisa32r2 | mipsisa32r2el \ + | mipsisa32r6 | mipsisa32r6el \ + | mipsisa64 | mipsisa64el \ + | mipsisa64r2 | mipsisa64r2el \ + | mipsisa64r6 | mipsisa64r6el \ + | mipsisa64sb1 | mipsisa64sb1el \ + | mipsisa64sr71k | mipsisa64sr71kel \ + | mipsr5900 | mipsr5900el \ + | mipstx39 | mipstx39el \ + | mn10200 | mn10300 \ + | moxie \ + | mt \ + | msp430 \ + | nds32 | nds32le | nds32be \ + | nios | nios2 | nios2eb | nios2el \ + | ns16k | ns32k \ + | open8 | or1k | or1knd | or32 \ + | pdp10 | pdp11 | pj | pjl \ + | powerpc | powerpc64 | powerpc64le | powerpcle \ + | pyramid \ + | riscv32 | riscv64 \ + | rl78 | rx \ + | score \ + | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ + | sh64 | sh64le \ + | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ + | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ + | spu \ + | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ + | ubicom32 \ + | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ + | we32k \ + | x86 | xc16x | xstormy16 | xtensa \ + | z8k | z80) + basic_machine=$basic_machine-unknown + ;; + c54x) + basic_machine=tic54x-unknown + ;; + c55x) + basic_machine=tic55x-unknown + ;; + c6x) + basic_machine=tic6x-unknown + ;; + m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip) + basic_machine=$basic_machine-unknown + os=-none + ;; + m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) + ;; + ms1) + basic_machine=mt-unknown + ;; + + strongarm | thumb | xscale) + basic_machine=arm-unknown + ;; + xgate) + basic_machine=$basic_machine-unknown + os=-none + ;; + xscaleeb) + basic_machine=armeb-unknown + ;; + + xscaleel) + basic_machine=armel-unknown + ;; + + # We use `pc' rather than `unknown' + # because (1) that's what they normally are, and + # (2) the word "unknown" tends to confuse beginning users. + i*86 | x86_64) + basic_machine=$basic_machine-pc + ;; + # Object if more than one company name word. + *-*-*) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; + # Recognize the basic CPU types with company name. + 580-* \ + | a29k-* \ + | aarch64-* | aarch64_be-* \ + | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ + | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ + | alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \ + | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ + | avr-* | avr32-* \ + | be32-* | be64-* \ + | bfin-* | bs2000-* \ + | c[123]* | c30-* | [cjt]90-* | c4x-* \ + | c8051-* | clipper-* | craynv-* | cydra-* \ + | d10v-* | d30v-* | dlx-* \ + | elxsi-* \ + | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ + | h8300-* | h8500-* \ + | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ + | hexagon-* \ + | i*86-* | i860-* | i960-* | ia64-* \ + | ip2k-* | iq2000-* \ + | k1om-* \ + | le32-* | le64-* \ + | lm32-* \ + | m32c-* | m32r-* | m32rle-* \ + | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ + | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \ + | microblaze-* | microblazeel-* \ + | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ + | mips16-* \ + | mips64-* | mips64el-* \ + | mips64octeon-* | mips64octeonel-* \ + | mips64orion-* | mips64orionel-* \ + | mips64r5900-* | mips64r5900el-* \ + | mips64vr-* | mips64vrel-* \ + | mips64vr4100-* | mips64vr4100el-* \ + | mips64vr4300-* | mips64vr4300el-* \ + | mips64vr5000-* | mips64vr5000el-* \ + | mips64vr5900-* | mips64vr5900el-* \ + | mipsisa32-* | mipsisa32el-* \ + | mipsisa32r2-* | mipsisa32r2el-* \ + | mipsisa32r6-* | mipsisa32r6el-* \ + | mipsisa64-* | mipsisa64el-* \ + | mipsisa64r2-* | mipsisa64r2el-* \ + | mipsisa64r6-* | mipsisa64r6el-* \ + | mipsisa64sb1-* | mipsisa64sb1el-* \ + | mipsisa64sr71k-* | mipsisa64sr71kel-* \ + | mipsr5900-* | mipsr5900el-* \ + | mipstx39-* | mipstx39el-* \ + | mmix-* \ + | mt-* \ + | msp430-* \ + | nds32-* | nds32le-* | nds32be-* \ + | nios-* | nios2-* | nios2eb-* | nios2el-* \ + | none-* | np1-* | ns16k-* | ns32k-* \ + | open8-* \ + | or1k*-* \ + | orion-* \ + | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ + | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ + | pyramid-* \ + | rl78-* | romp-* | rs6000-* | rx-* \ + | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ + | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ + | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ + | sparclite-* \ + | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \ + | tahoe-* \ + | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ + | tile*-* \ + | tron-* \ + | ubicom32-* \ + | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ + | vax-* \ + | we32k-* \ + | x86-* | x86_64-* | xc16x-* | xps100-* \ + | xstormy16-* | xtensa*-* \ + | ymp-* \ + | z8k-* | z80-*) + ;; + # Recognize the basic CPU types without company name, with glob match. + xtensa*) + basic_machine=$basic_machine-unknown + ;; + # Recognize the various machine names and aliases which stand + # for a CPU type and a company and sometimes even an OS. + 386bsd) + basic_machine=i386-unknown + os=-bsd + ;; + 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) + basic_machine=m68000-att + ;; + 3b*) + basic_machine=we32k-att + ;; + a29khif) + basic_machine=a29k-amd + os=-udi + ;; + abacus) + basic_machine=abacus-unknown + ;; + adobe68k) + basic_machine=m68010-adobe + os=-scout + ;; + alliant | fx80) + basic_machine=fx80-alliant + ;; + altos | altos3068) + basic_machine=m68k-altos + ;; + am29k) + basic_machine=a29k-none + os=-bsd + ;; + amd64) + basic_machine=x86_64-pc + ;; + amd64-*) + basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + amdahl) + basic_machine=580-amdahl + os=-sysv + ;; + amiga | amiga-*) + basic_machine=m68k-unknown + ;; + amigaos | amigados) + basic_machine=m68k-unknown + os=-amigaos + ;; + amigaunix | amix) + basic_machine=m68k-unknown + os=-sysv4 + ;; + apollo68) + basic_machine=m68k-apollo + os=-sysv + ;; + apollo68bsd) + basic_machine=m68k-apollo + os=-bsd + ;; + aros) + basic_machine=i386-pc + os=-aros + ;; + aux) + basic_machine=m68k-apple + os=-aux + ;; + balance) + basic_machine=ns32k-sequent + os=-dynix + ;; + blackfin) + basic_machine=bfin-unknown + os=-linux + ;; + blackfin-*) + basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + bluegene*) + basic_machine=powerpc-ibm + os=-cnk + ;; + c54x-*) + basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c55x-*) + basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c6x-*) + basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c90) + basic_machine=c90-cray + os=-unicos + ;; + cegcc) + basic_machine=arm-unknown + os=-cegcc + ;; + convex-c1) + basic_machine=c1-convex + os=-bsd + ;; + convex-c2) + basic_machine=c2-convex + os=-bsd + ;; + convex-c32) + basic_machine=c32-convex + os=-bsd + ;; + convex-c34) + basic_machine=c34-convex + os=-bsd + ;; + convex-c38) + basic_machine=c38-convex + os=-bsd + ;; + cray | j90) + basic_machine=j90-cray + os=-unicos + ;; + craynv) + basic_machine=craynv-cray + os=-unicosmp + ;; + cr16 | cr16-*) + basic_machine=cr16-unknown + os=-elf + ;; + crds | unos) + basic_machine=m68k-crds + ;; + crisv32 | crisv32-* | etraxfs*) + basic_machine=crisv32-axis + ;; + cris | cris-* | etrax*) + basic_machine=cris-axis + ;; + crx) + basic_machine=crx-unknown + os=-elf + ;; + da30 | da30-*) + basic_machine=m68k-da30 + ;; + decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) + basic_machine=mips-dec + ;; + decsystem10* | dec10*) + basic_machine=pdp10-dec + os=-tops10 + ;; + decsystem20* | dec20*) + basic_machine=pdp10-dec + os=-tops20 + ;; + delta | 3300 | motorola-3300 | motorola-delta \ + | 3300-motorola | delta-motorola) + basic_machine=m68k-motorola + ;; + delta88) + basic_machine=m88k-motorola + os=-sysv3 + ;; + dicos) + basic_machine=i686-pc + os=-dicos + ;; + djgpp) + basic_machine=i586-pc + os=-msdosdjgpp + ;; + dpx20 | dpx20-*) + basic_machine=rs6000-bull + os=-bosx + ;; + dpx2* | dpx2*-bull) + basic_machine=m68k-bull + os=-sysv3 + ;; + ebmon29k) + basic_machine=a29k-amd + os=-ebmon + ;; + elxsi) + basic_machine=elxsi-elxsi + os=-bsd + ;; + encore | umax | mmax) + basic_machine=ns32k-encore + ;; + es1800 | OSE68k | ose68k | ose | OSE) + basic_machine=m68k-ericsson + os=-ose + ;; + fx2800) + basic_machine=i860-alliant + ;; + genix) + basic_machine=ns32k-ns + ;; + gmicro) + basic_machine=tron-gmicro + os=-sysv + ;; + go32) + basic_machine=i386-pc + os=-go32 + ;; + h3050r* | hiux*) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + h8300hms) + basic_machine=h8300-hitachi + os=-hms + ;; + h8300xray) + basic_machine=h8300-hitachi + os=-xray + ;; + h8500hms) + basic_machine=h8500-hitachi + os=-hms + ;; + harris) + basic_machine=m88k-harris + os=-sysv3 + ;; + hp300-*) + basic_machine=m68k-hp + ;; + hp300bsd) + basic_machine=m68k-hp + os=-bsd + ;; + hp300hpux) + basic_machine=m68k-hp + os=-hpux + ;; + hp3k9[0-9][0-9] | hp9[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k2[0-9][0-9] | hp9k31[0-9]) + basic_machine=m68000-hp + ;; + hp9k3[2-9][0-9]) + basic_machine=m68k-hp + ;; + hp9k6[0-9][0-9] | hp6[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k7[0-79][0-9] | hp7[0-79][0-9]) + basic_machine=hppa1.1-hp + ;; + hp9k78[0-9] | hp78[0-9]) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][13679] | hp8[0-9][13679]) + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][0-9] | hp8[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hppa-next) + os=-nextstep3 + ;; + hppaosf) + basic_machine=hppa1.1-hp + os=-osf + ;; + hppro) + basic_machine=hppa1.1-hp + os=-proelf + ;; + i370-ibm* | ibm*) + basic_machine=i370-ibm + ;; + i*86v32) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv32 + ;; + i*86v4*) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv4 + ;; + i*86v) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv + ;; + i*86sol2) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-solaris2 + ;; + i386mach) + basic_machine=i386-mach + os=-mach + ;; + i386-vsta | vsta) + basic_machine=i386-unknown + os=-vsta + ;; + iris | iris4d) + basic_machine=mips-sgi + case $os in + -irix*) + ;; + *) + os=-irix4 + ;; + esac + ;; + isi68 | isi) + basic_machine=m68k-isi + os=-sysv + ;; + m68knommu) + basic_machine=m68k-unknown + os=-linux + ;; + m68knommu-*) + basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + m88k-omron*) + basic_machine=m88k-omron + ;; + magnum | m3230) + basic_machine=mips-mips + os=-sysv + ;; + merlin) + basic_machine=ns32k-utek + os=-sysv + ;; + microblaze*) + basic_machine=microblaze-xilinx + ;; + mingw64) + basic_machine=x86_64-pc + os=-mingw64 + ;; + mingw32) + basic_machine=i686-pc + os=-mingw32 + ;; + mingw32ce) + basic_machine=arm-unknown + os=-mingw32ce + ;; + miniframe) + basic_machine=m68000-convergent + ;; + *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; + mips3*-*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` + ;; + mips3*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown + ;; + monitor) + basic_machine=m68k-rom68k + os=-coff + ;; + morphos) + basic_machine=powerpc-unknown + os=-morphos + ;; + moxiebox) + basic_machine=moxie-unknown + os=-moxiebox + ;; + msdos) + basic_machine=i386-pc + os=-msdos + ;; + ms1-*) + basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` + ;; + msys) + basic_machine=i686-pc + os=-msys + ;; + mvs) + basic_machine=i370-ibm + os=-mvs + ;; + nacl) + basic_machine=le32-unknown + os=-nacl + ;; + ncr3000) + basic_machine=i486-ncr + os=-sysv4 + ;; + netbsd386) + basic_machine=i386-unknown + os=-netbsd + ;; + netwinder) + basic_machine=armv4l-rebel + os=-linux + ;; + news | news700 | news800 | news900) + basic_machine=m68k-sony + os=-newsos + ;; + news1000) + basic_machine=m68030-sony + os=-newsos + ;; + news-3600 | risc-news) + basic_machine=mips-sony + os=-newsos + ;; + necv70) + basic_machine=v70-nec + os=-sysv + ;; + next | m*-next ) + basic_machine=m68k-next + case $os in + -nextstep* ) + ;; + -ns2*) + os=-nextstep2 + ;; + *) + os=-nextstep3 + ;; + esac + ;; + nh3000) + basic_machine=m68k-harris + os=-cxux + ;; + nh[45]000) + basic_machine=m88k-harris + os=-cxux + ;; + nindy960) + basic_machine=i960-intel + os=-nindy + ;; + mon960) + basic_machine=i960-intel + os=-mon960 + ;; + nonstopux) + basic_machine=mips-compaq + os=-nonstopux + ;; + np1) + basic_machine=np1-gould + ;; + neo-tandem) + basic_machine=neo-tandem + ;; + nse-tandem) + basic_machine=nse-tandem + ;; + nsr-tandem) + basic_machine=nsr-tandem + ;; + op50n-* | op60c-*) + basic_machine=hppa1.1-oki + os=-proelf + ;; + openrisc | openrisc-*) + basic_machine=or32-unknown + ;; + os400) + basic_machine=powerpc-ibm + os=-os400 + ;; + OSE68000 | ose68000) + basic_machine=m68000-ericsson + os=-ose + ;; + os68k) + basic_machine=m68k-none + os=-os68k + ;; + pa-hitachi) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + paragon) + basic_machine=i860-intel + os=-osf + ;; + parisc) + basic_machine=hppa-unknown + os=-linux + ;; + parisc-*) + basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + pbd) + basic_machine=sparc-tti + ;; + pbb) + basic_machine=m68k-tti + ;; + pc532 | pc532-*) + basic_machine=ns32k-pc532 + ;; + pc98) + basic_machine=i386-pc + ;; + pc98-*) + basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium | p5 | k5 | k6 | nexgen | viac3) + basic_machine=i586-pc + ;; + pentiumpro | p6 | 6x86 | athlon | athlon_*) + basic_machine=i686-pc + ;; + pentiumii | pentium2 | pentiumiii | pentium3) + basic_machine=i686-pc + ;; + pentium4) + basic_machine=i786-pc + ;; + pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) + basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumpro-* | p6-* | 6x86-* | athlon-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium4-*) + basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pn) + basic_machine=pn-gould + ;; + power) basic_machine=power-ibm + ;; + ppc | ppcbe) basic_machine=powerpc-unknown + ;; + ppc-* | ppcbe-*) + basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppcle | powerpclittle | ppc-le | powerpc-little) + basic_machine=powerpcle-unknown + ;; + ppcle-* | powerpclittle-*) + basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64) basic_machine=powerpc64-unknown + ;; + ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64le | powerpc64little | ppc64-le | powerpc64-little) + basic_machine=powerpc64le-unknown + ;; + ppc64le-* | powerpc64little-*) + basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ps2) + basic_machine=i386-ibm + ;; + pw32) + basic_machine=i586-unknown + os=-pw32 + ;; + rdos | rdos64) + basic_machine=x86_64-pc + os=-rdos + ;; + rdos32) + basic_machine=i386-pc + os=-rdos + ;; + rom68k) + basic_machine=m68k-rom68k + os=-coff + ;; + rm[46]00) + basic_machine=mips-siemens + ;; + rtpc | rtpc-*) + basic_machine=romp-ibm + ;; + s390 | s390-*) + basic_machine=s390-ibm + ;; + s390x | s390x-*) + basic_machine=s390x-ibm + ;; + sa29200) + basic_machine=a29k-amd + os=-udi + ;; + sb1) + basic_machine=mipsisa64sb1-unknown + ;; + sb1el) + basic_machine=mipsisa64sb1el-unknown + ;; + sde) + basic_machine=mipsisa32-sde + os=-elf + ;; + sei) + basic_machine=mips-sei + os=-seiux + ;; + sequent) + basic_machine=i386-sequent + ;; + sh) + basic_machine=sh-hitachi + os=-hms + ;; + sh5el) + basic_machine=sh5le-unknown + ;; + sh64) + basic_machine=sh64-unknown + ;; + sparclite-wrs | simso-wrs) + basic_machine=sparclite-wrs + os=-vxworks + ;; + sps7) + basic_machine=m68k-bull + os=-sysv2 + ;; + spur) + basic_machine=spur-unknown + ;; + st2000) + basic_machine=m68k-tandem + ;; + stratus) + basic_machine=i860-stratus + os=-sysv4 + ;; + strongarm-* | thumb-*) + basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + sun2) + basic_machine=m68000-sun + ;; + sun2os3) + basic_machine=m68000-sun + os=-sunos3 + ;; + sun2os4) + basic_machine=m68000-sun + os=-sunos4 + ;; + sun3os3) + basic_machine=m68k-sun + os=-sunos3 + ;; + sun3os4) + basic_machine=m68k-sun + os=-sunos4 + ;; + sun4os3) + basic_machine=sparc-sun + os=-sunos3 + ;; + sun4os4) + basic_machine=sparc-sun + os=-sunos4 + ;; + sun4sol2) + basic_machine=sparc-sun + os=-solaris2 + ;; + sun3 | sun3-*) + basic_machine=m68k-sun + ;; + sun4) + basic_machine=sparc-sun + ;; + sun386 | sun386i | roadrunner) + basic_machine=i386-sun + ;; + sv1) + basic_machine=sv1-cray + os=-unicos + ;; + symmetry) + basic_machine=i386-sequent + os=-dynix + ;; + t3e) + basic_machine=alphaev5-cray + os=-unicos + ;; + t90) + basic_machine=t90-cray + os=-unicos + ;; + tile*) + basic_machine=$basic_machine-unknown + os=-linux-gnu + ;; + tx39) + basic_machine=mipstx39-unknown + ;; + tx39el) + basic_machine=mipstx39el-unknown + ;; + toad1) + basic_machine=pdp10-xkl + os=-tops20 + ;; + tower | tower-32) + basic_machine=m68k-ncr + ;; + tpf) + basic_machine=s390x-ibm + os=-tpf + ;; + udi29k) + basic_machine=a29k-amd + os=-udi + ;; + ultra3) + basic_machine=a29k-nyu + os=-sym1 + ;; + v810 | necv810) + basic_machine=v810-nec + os=-none + ;; + vaxv) + basic_machine=vax-dec + os=-sysv + ;; + vms) + basic_machine=vax-dec + os=-vms + ;; + vpp*|vx|vx-*) + basic_machine=f301-fujitsu + ;; + vxworks960) + basic_machine=i960-wrs + os=-vxworks + ;; + vxworks68) + basic_machine=m68k-wrs + os=-vxworks + ;; + vxworks29k) + basic_machine=a29k-wrs + os=-vxworks + ;; + w65*) + basic_machine=w65-wdc + os=-none + ;; + w89k-*) + basic_machine=hppa1.1-winbond + os=-proelf + ;; + xbox) + basic_machine=i686-pc + os=-mingw32 + ;; + xps | xps100) + basic_machine=xps100-honeywell + ;; + xscale-* | xscalee[bl]-*) + basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'` + ;; + ymp) + basic_machine=ymp-cray + os=-unicos + ;; + z8k-*-coff) + basic_machine=z8k-unknown + os=-sim + ;; + z80-*-coff) + basic_machine=z80-unknown + os=-sim + ;; + none) + basic_machine=none-none + os=-none + ;; + +# Here we handle the default manufacturer of certain CPU types. It is in +# some cases the only manufacturer, in others, it is the most popular. + w89k) + basic_machine=hppa1.1-winbond + ;; + op50n) + basic_machine=hppa1.1-oki + ;; + op60c) + basic_machine=hppa1.1-oki + ;; + romp) + basic_machine=romp-ibm + ;; + mmix) + basic_machine=mmix-knuth + ;; + rs6000) + basic_machine=rs6000-ibm + ;; + vax) + basic_machine=vax-dec + ;; + pdp10) + # there are many clones, so DEC is not a safe bet + basic_machine=pdp10-unknown + ;; + pdp11) + basic_machine=pdp11-dec + ;; + we32k) + basic_machine=we32k-att + ;; + sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele) + basic_machine=sh-unknown + ;; + sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v) + basic_machine=sparc-sun + ;; + cydra) + basic_machine=cydra-cydrome + ;; + orion) + basic_machine=orion-highlevel + ;; + orion105) + basic_machine=clipper-highlevel + ;; + mac | mpw | mac-mpw) + basic_machine=m68k-apple + ;; + pmac | pmac-mpw) + basic_machine=powerpc-apple + ;; + *-unknown) + # Make sure to match an already-canonicalized machine name. + ;; + *) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; +esac + +# Here we canonicalize certain aliases for manufacturers. +case $basic_machine in + *-digital*) + basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'` + ;; + *-commodore*) + basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'` + ;; + *) + ;; +esac + +# Decode manufacturer-specific aliases for certain operating systems. + +if [ x"$os" != x"" ] +then +case $os in + # First match some system type aliases + # that might get confused with valid system types. + # -solaris* is a basic system type, with this one exception. + -auroraux) + os=-auroraux + ;; + -solaris1 | -solaris1.*) + os=`echo $os | sed -e 's|solaris1|sunos4|'` + ;; + -solaris) + os=-solaris2 + ;; + -svr4*) + os=-sysv4 + ;; + -unixware*) + os=-sysv4.2uw + ;; + -gnu/linux*) + os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'` + ;; + # First accept the basic system types. + # The portable systems comes first. + # Each alternative MUST END IN A *, to match a version number. + # -sysv* is not here because it comes later, after sysvr4. + -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \ + | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\ + | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \ + | -sym* | -kopensolaris* | -plan9* \ + | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \ + | -aos* | -aros* \ + | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \ + | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \ + | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \ + | -bitrig* | -openbsd* | -solidbsd* \ + | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \ + | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \ + | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \ + | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \ + | -chorusos* | -chorusrdb* | -cegcc* \ + | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ + | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \ + | -linux-newlib* | -linux-musl* | -linux-uclibc* \ + | -uxpv* | -beos* | -mpeix* | -udk* | -moxiebox* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ + | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \ + | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \ + | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \ + | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \ + | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* | -tirtos*) + # Remember, each alternative MUST END IN *, to match a version number. + ;; + -qnx*) + case $basic_machine in + x86-* | i*86-*) + ;; + *) + os=-nto$os + ;; + esac + ;; + -nto-qnx*) + ;; + -nto*) + os=`echo $os | sed -e 's|nto|nto-qnx|'` + ;; + -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \ + | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \ + | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*) + ;; + -mac*) + os=`echo $os | sed -e 's|mac|macos|'` + ;; + -linux-dietlibc) + os=-linux-dietlibc + ;; + -linux*) + os=`echo $os | sed -e 's|linux|linux-gnu|'` + ;; + -sunos5*) + os=`echo $os | sed -e 's|sunos5|solaris2|'` + ;; + -sunos6*) + os=`echo $os | sed -e 's|sunos6|solaris3|'` + ;; + -opened*) + os=-openedition + ;; + -os400*) + os=-os400 + ;; + -wince*) + os=-wince + ;; + -osfrose*) + os=-osfrose + ;; + -osf*) + os=-osf + ;; + -utek*) + os=-bsd + ;; + -dynix*) + os=-bsd + ;; + -acis*) + os=-aos + ;; + -atheos*) + os=-atheos + ;; + -syllable*) + os=-syllable + ;; + -386bsd) + os=-bsd + ;; + -ctix* | -uts*) + os=-sysv + ;; + -nova*) + os=-rtmk-nova + ;; + -ns2 ) + os=-nextstep2 + ;; + -nsk*) + os=-nsk + ;; + # Preserve the version number of sinix5. + -sinix5.*) + os=`echo $os | sed -e 's|sinix|sysv|'` + ;; + -sinix*) + os=-sysv4 + ;; + -tpf*) + os=-tpf + ;; + -triton*) + os=-sysv3 + ;; + -oss*) + os=-sysv3 + ;; + -svr4) + os=-sysv4 + ;; + -svr3) + os=-sysv3 + ;; + -sysvr4) + os=-sysv4 + ;; + # This must come after -sysvr4. + -sysv*) + ;; + -ose*) + os=-ose + ;; + -es1800*) + os=-ose + ;; + -xenix) + os=-xenix + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + os=-mint + ;; + -aros*) + os=-aros + ;; + -zvmoe) + os=-zvmoe + ;; + -dicos*) + os=-dicos + ;; + -nacl*) + ;; + -none) + ;; + *) + # Get rid of the `-' at the beginning of $os. + os=`echo $os | sed 's/[^-]*-//'` + echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2 + exit 1 + ;; +esac +else + +# Here we handle the default operating systems that come with various machines. +# The value should be what the vendor currently ships out the door with their +# machine or put another way, the most popular os provided with the machine. + +# Note that if you're going to try to match "-MANUFACTURER" here (say, +# "-sun"), then you have to tell the case statement up towards the top +# that MANUFACTURER isn't an operating system. Otherwise, code above +# will signal an error saying that MANUFACTURER isn't an operating +# system, and we'll never get to this point. + +case $basic_machine in + score-*) + os=-elf + ;; + spu-*) + os=-elf + ;; + *-acorn) + os=-riscix1.2 + ;; + arm*-rebel) + os=-linux + ;; + arm*-semi) + os=-aout + ;; + c4x-* | tic4x-*) + os=-coff + ;; + c8051-*) + os=-elf + ;; + hexagon-*) + os=-elf + ;; + tic54x-*) + os=-coff + ;; + tic55x-*) + os=-coff + ;; + tic6x-*) + os=-coff + ;; + # This must come before the *-dec entry. + pdp10-*) + os=-tops20 + ;; + pdp11-*) + os=-none + ;; + *-dec | vax-*) + os=-ultrix4.2 + ;; + m68*-apollo) + os=-domain + ;; + i386-sun) + os=-sunos4.0.2 + ;; + m68000-sun) + os=-sunos3 + ;; + m68*-cisco) + os=-aout + ;; + mep-*) + os=-elf + ;; + mips*-cisco) + os=-elf + ;; + mips*-*) + os=-elf + ;; + or32-*) + os=-coff + ;; + *-tti) # must be before sparc entry or we get the wrong os. + os=-sysv3 + ;; + sparc-* | *-sun) + os=-sunos4.1.1 + ;; + *-be) + os=-beos + ;; + *-haiku) + os=-haiku + ;; + *-ibm) + os=-aix + ;; + *-knuth) + os=-mmixware + ;; + *-wec) + os=-proelf + ;; + *-winbond) + os=-proelf + ;; + *-oki) + os=-proelf + ;; + *-hp) + os=-hpux + ;; + *-hitachi) + os=-hiux + ;; + i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent) + os=-sysv + ;; + *-cbm) + os=-amigaos + ;; + *-dg) + os=-dgux + ;; + *-dolphin) + os=-sysv3 + ;; + m68k-ccur) + os=-rtu + ;; + m88k-omron*) + os=-luna + ;; + *-next ) + os=-nextstep + ;; + *-sequent) + os=-ptx + ;; + *-crds) + os=-unos + ;; + *-ns) + os=-genix + ;; + i370-*) + os=-mvs + ;; + *-next) + os=-nextstep3 + ;; + *-gould) + os=-sysv + ;; + *-highlevel) + os=-bsd + ;; + *-encore) + os=-bsd + ;; + *-sgi) + os=-irix + ;; + *-siemens) + os=-sysv4 + ;; + *-masscomp) + os=-rtu + ;; + f30[01]-fujitsu | f700-fujitsu) + os=-uxpv + ;; + *-rom68k) + os=-coff + ;; + *-*bug) + os=-coff + ;; + *-apple) + os=-macos + ;; + *-atari*) + os=-mint + ;; + *) + os=-none + ;; +esac +fi + +# Here we handle the case where we know the os, and the CPU type, but not the +# manufacturer. We pick the logical manufacturer. +vendor=unknown +case $basic_machine in + *-unknown) + case $os in + -riscix*) + vendor=acorn + ;; + -sunos*) + vendor=sun + ;; + -cnk*|-aix*) + vendor=ibm + ;; + -beos*) + vendor=be + ;; + -hpux*) + vendor=hp + ;; + -mpeix*) + vendor=hp + ;; + -hiux*) + vendor=hitachi + ;; + -unos*) + vendor=crds + ;; + -dgux*) + vendor=dg + ;; + -luna*) + vendor=omron + ;; + -genix*) + vendor=ns + ;; + -mvs* | -opened*) + vendor=ibm + ;; + -os400*) + vendor=ibm + ;; + -ptx*) + vendor=sequent + ;; + -tpf*) + vendor=ibm + ;; + -vxsim* | -vxworks* | -windiss*) + vendor=wrs + ;; + -aux*) + vendor=apple + ;; + -hms*) + vendor=hitachi + ;; + -mpw* | -macos*) + vendor=apple + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + vendor=atari + ;; + -vos*) + vendor=stratus + ;; + esac + basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"` + ;; +esac + +echo $basic_machine$os +exit + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/config/depcomp b/config/depcomp new file mode 100755 index 0000000..4ebd5b3 --- /dev/null +++ b/config/depcomp @@ -0,0 +1,791 @@ +#! /bin/sh +# depcomp - compile a program generating dependencies as side-effects + +scriptversion=2013-05-30.07; # UTC + +# Copyright (C) 1999-2013 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# Originally written by Alexandre Oliva . + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: depcomp [--help] [--version] PROGRAM [ARGS] + +Run PROGRAMS ARGS to compile a file, generating dependencies +as side-effects. + +Environment variables: + depmode Dependency tracking mode. + source Source file read by 'PROGRAMS ARGS'. + object Object file output by 'PROGRAMS ARGS'. + DEPDIR directory where to store dependencies. + depfile Dependency file to output. + tmpdepfile Temporary file to use when outputting dependencies. + libtool Whether libtool is used (yes/no). + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "depcomp $scriptversion" + exit $? + ;; +esac + +# Get the directory component of the given path, and save it in the +# global variables '$dir'. Note that this directory component will +# be either empty or ending with a '/' character. This is deliberate. +set_dir_from () +{ + case $1 in + */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; + *) dir=;; + esac +} + +# Get the suffix-stripped basename of the given path, and save it the +# global variable '$base'. +set_base_from () +{ + base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` +} + +# If no dependency file was actually created by the compiler invocation, +# we still have to create a dummy depfile, to avoid errors with the +# Makefile "include basename.Plo" scheme. +make_dummy_depfile () +{ + echo "#dummy" > "$depfile" +} + +# Factor out some common post-processing of the generated depfile. +# Requires the auxiliary global variable '$tmpdepfile' to be set. +aix_post_process_depfile () +{ + # If the compiler actually managed to produce a dependency file, + # post-process it. + if test -f "$tmpdepfile"; then + # Each line is of the form 'foo.o: dependency.h'. + # Do two passes, one to just change these to + # $object: dependency.h + # and one to simply output + # dependency.h: + # which is needed to avoid the deleted-header problem. + { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" + sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" + } > "$depfile" + rm -f "$tmpdepfile" + else + make_dummy_depfile + fi +} + +# A tabulation character. +tab=' ' +# A newline character. +nl=' +' +# Character ranges might be problematic outside the C locale. +# These definitions help. +upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ +lower=abcdefghijklmnopqrstuvwxyz +digits=0123456789 +alpha=${upper}${lower} + +if test -z "$depmode" || test -z "$source" || test -z "$object"; then + echo "depcomp: Variables source, object and depmode must be set" 1>&2 + exit 1 +fi + +# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. +depfile=${depfile-`echo "$object" | + sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} +tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} + +rm -f "$tmpdepfile" + +# Avoid interferences from the environment. +gccflag= dashmflag= + +# Some modes work just like other modes, but use different flags. We +# parameterize here, but still list the modes in the big case below, +# to make depend.m4 easier to write. Note that we *cannot* use a case +# here, because this file can only contain one case statement. +if test "$depmode" = hp; then + # HP compiler uses -M and no extra arg. + gccflag=-M + depmode=gcc +fi + +if test "$depmode" = dashXmstdout; then + # This is just like dashmstdout with a different argument. + dashmflag=-xM + depmode=dashmstdout +fi + +cygpath_u="cygpath -u -f -" +if test "$depmode" = msvcmsys; then + # This is just like msvisualcpp but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvisualcpp +fi + +if test "$depmode" = msvc7msys; then + # This is just like msvc7 but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvc7 +fi + +if test "$depmode" = xlc; then + # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. + gccflag=-qmakedep=gcc,-MF + depmode=gcc +fi + +case "$depmode" in +gcc3) +## gcc 3 implements dependency tracking that does exactly what +## we want. Yay! Note: for some reason libtool 1.4 doesn't like +## it if -MD -MP comes after the -MF stuff. Hmm. +## Unfortunately, FreeBSD c89 acceptance of flags depends upon +## the command line argument order; so add the flags where they +## appear in depend2.am. Note that the slowdown incurred here +## affects only configure: in makefiles, %FASTDEP% shortcuts this. + for arg + do + case $arg in + -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; + *) set fnord "$@" "$arg" ;; + esac + shift # fnord + shift # $arg + done + "$@" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + mv "$tmpdepfile" "$depfile" + ;; + +gcc) +## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. +## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. +## (see the conditional assignment to $gccflag above). +## There are various ways to get dependency output from gcc. Here's +## why we pick this rather obscure method: +## - Don't want to use -MD because we'd like the dependencies to end +## up in a subdir. Having to rename by hand is ugly. +## (We might end up doing this anyway to support other compilers.) +## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like +## -MM, not -M (despite what the docs say). Also, it might not be +## supported by the other compilers which use the 'gcc' depmode. +## - Using -M directly means running the compiler twice (even worse +## than renaming). + if test -z "$gccflag"; then + gccflag=-MD, + fi + "$@" -Wp,"$gccflag$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The second -e expression handles DOS-style file names with drive + # letters. + sed -e 's/^[^:]*: / /' \ + -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" +## This next piece of magic avoids the "deleted header file" problem. +## The problem is that when a header file which appears in a .P file +## is deleted, the dependency causes make to die (because there is +## typically no way to rebuild the header). We avoid this by adding +## dummy dependencies for each header file. Too bad gcc doesn't do +## this for us directly. +## Some versions of gcc put a space before the ':'. On the theory +## that the space means something, we add a space to the output as +## well. hp depmode also adds that space, but also prefixes the VPATH +## to the object. Take care to not repeat it in the output. +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +sgi) + if test "$libtool" = yes; then + "$@" "-Wp,-MDupdate,$tmpdepfile" + else + "$@" -MDupdate "$tmpdepfile" + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + + if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files + echo "$object : \\" > "$depfile" + # Clip off the initial element (the dependent). Don't try to be + # clever and replace this with sed code, as IRIX sed won't handle + # lines with more than a fixed number of characters (4096 in + # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; + # the IRIX cc adds comments like '#:fec' to the end of the + # dependency line. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ + | tr "$nl" ' ' >> "$depfile" + echo >> "$depfile" + # The second pass generates a dummy entry for each header file. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ + >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" + ;; + +xlc) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +aix) + # The C for AIX Compiler uses -M and outputs the dependencies + # in a .u file. In older versions, this file always lives in the + # current directory. Also, the AIX compiler puts '$object:' at the + # start of each line; $object doesn't have directory information. + # Version 6 uses the directory in both cases. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.u + tmpdepfile2=$base.u + tmpdepfile3=$dir.libs/$base.u + "$@" -Wc,-M + else + tmpdepfile1=$dir$base.u + tmpdepfile2=$dir$base.u + tmpdepfile3=$dir$base.u + "$@" -M + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + aix_post_process_depfile + ;; + +tcc) + # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 + # FIXME: That version still under development at the moment of writing. + # Make that this statement remains true also for stable, released + # versions. + # It will wrap lines (doesn't matter whether long or short) with a + # trailing '\', as in: + # + # foo.o : \ + # foo.c \ + # foo.h \ + # + # It will put a trailing '\' even on the last line, and will use leading + # spaces rather than leading tabs (at least since its commit 0394caf7 + # "Emit spaces for -MD"). + "$@" -MD -MF "$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. + # We have to change lines of the first kind to '$object: \'. + sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" + # And for each line of the second kind, we have to emit a 'dep.h:' + # dummy dependency, to avoid the deleted-header problem. + sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" + rm -f "$tmpdepfile" + ;; + +## The order of this option in the case statement is important, since the +## shell code in configure will try each of these formats in the order +## listed in this file. A plain '-MD' option would be understood by many +## compilers, so we must ensure this comes after the gcc and icc options. +pgcc) + # Portland's C compiler understands '-MD'. + # Will always output deps to 'file.d' where file is the root name of the + # source file under compilation, even if file resides in a subdirectory. + # The object file name does not affect the name of the '.d' file. + # pgcc 10.2 will output + # foo.o: sub/foo.c sub/foo.h + # and will wrap long lines using '\' : + # foo.o: sub/foo.c ... \ + # sub/foo.h ... \ + # ... + set_dir_from "$object" + # Use the source, not the object, to determine the base name, since + # that's sadly what pgcc will do too. + set_base_from "$source" + tmpdepfile=$base.d + + # For projects that build the same source file twice into different object + # files, the pgcc approach of using the *source* file root name can cause + # problems in parallel builds. Use a locking strategy to avoid stomping on + # the same $tmpdepfile. + lockdir=$base.d-lock + trap " + echo '$0: caught signal, cleaning up...' >&2 + rmdir '$lockdir' + exit 1 + " 1 2 13 15 + numtries=100 + i=$numtries + while test $i -gt 0; do + # mkdir is a portable test-and-set. + if mkdir "$lockdir" 2>/dev/null; then + # This process acquired the lock. + "$@" -MD + stat=$? + # Release the lock. + rmdir "$lockdir" + break + else + # If the lock is being held by a different process, wait + # until the winning process is done or we timeout. + while test -d "$lockdir" && test $i -gt 0; do + sleep 1 + i=`expr $i - 1` + done + fi + i=`expr $i - 1` + done + trap - 1 2 13 15 + if test $i -le 0; then + echo "$0: failed to acquire lock after $numtries attempts" >&2 + echo "$0: check lockdir '$lockdir'" >&2 + exit 1 + fi + + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each line is of the form `foo.o: dependent.h', + # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp2) + # The "hp" stanza above does not work with aCC (C++) and HP's ia64 + # compilers, which have integrated preprocessors. The correct option + # to use with these is +Maked; it writes dependencies to a file named + # 'foo.d', which lands next to the object file, wherever that + # happens to be. + # Much of this is similar to the tru64 case; see comments there. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir.libs/$base.d + "$@" -Wc,+Maked + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + "$@" +Maked + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" + do + test -f "$tmpdepfile" && break + done + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" + # Add 'dependent.h:' lines. + sed -ne '2,${ + s/^ *// + s/ \\*$// + s/$/:/ + p + }' "$tmpdepfile" >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" "$tmpdepfile2" + ;; + +tru64) + # The Tru64 compiler uses -MD to generate dependencies as a side + # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. + # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put + # dependencies in 'foo.d' instead, so we check for that too. + # Subdirectories are respected. + set_dir_from "$object" + set_base_from "$object" + + if test "$libtool" = yes; then + # Libtool generates 2 separate objects for the 2 libraries. These + # two compilations output dependencies in $dir.libs/$base.o.d and + # in $dir$base.o.d. We have to check for both files, because + # one of the two compilations can be disabled. We should prefer + # $dir$base.o.d over $dir.libs/$base.o.d because the latter is + # automatically cleaned when .libs/ is deleted, while ignoring + # the former would cause a distcleancheck panic. + tmpdepfile1=$dir$base.o.d # libtool 1.5 + tmpdepfile2=$dir.libs/$base.o.d # Likewise. + tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 + "$@" -Wc,-MD + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + tmpdepfile3=$dir$base.d + "$@" -MD + fi + + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + # Same post-processing that is required for AIX mode. + aix_post_process_depfile + ;; + +msvc7) + if test "$libtool" = yes; then + showIncludes=-Wc,-showIncludes + else + showIncludes=-showIncludes + fi + "$@" $showIncludes > "$tmpdepfile" + stat=$? + grep -v '^Note: including file: ' "$tmpdepfile" + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The first sed program below extracts the file names and escapes + # backslashes for cygpath. The second sed program outputs the file + # name when reading, but also accumulates all include files in the + # hold buffer in order to output them again at the end. This only + # works with sed implementations that can handle large buffers. + sed < "$tmpdepfile" -n ' +/^Note: including file: *\(.*\)/ { + s//\1/ + s/\\/\\\\/g + p +}' | $cygpath_u | sort -u | sed -n ' +s/ /\\ /g +s/\(.*\)/'"$tab"'\1 \\/p +s/.\(.*\) \\/\1:/ +H +$ { + s/.*/'"$tab"'/ + G + p +}' >> "$depfile" + echo >> "$depfile" # make sure the fragment doesn't end with a backslash + rm -f "$tmpdepfile" + ;; + +msvc7msys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +#nosideeffect) + # This comment above is used by automake to tell side-effect + # dependency tracking mechanisms from slower ones. + +dashmstdout) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout, regardless of -o. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + test -z "$dashmflag" && dashmflag=-M + # Require at least two characters before searching for ':' + # in the target name. This is to cope with DOS-style filenames: + # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. + "$@" $dashmflag | + sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile" + rm -f "$depfile" + cat < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this sed invocation + # correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +dashXmstdout) + # This case only exists to satisfy depend.m4. It is never actually + # run, as this mode is specially recognized in the preamble. + exit 1 + ;; + +makedepend) + "$@" || exit $? + # Remove any Libtool call + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + # X makedepend + shift + cleared=no eat=no + for arg + do + case $cleared in + no) + set ""; shift + cleared=yes ;; + esac + if test $eat = yes; then + eat=no + continue + fi + case "$arg" in + -D*|-I*) + set fnord "$@" "$arg"; shift ;; + # Strip any option that makedepend may not understand. Remove + # the object too, otherwise makedepend will parse it as a source file. + -arch) + eat=yes ;; + -*|$object) + ;; + *) + set fnord "$@" "$arg"; shift ;; + esac + done + obj_suffix=`echo "$object" | sed 's/^.*\././'` + touch "$tmpdepfile" + ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" + rm -f "$depfile" + # makedepend may prepend the VPATH from the source file name to the object. + # No need to regex-escape $object, excess matching of '.' is harmless. + sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process the last invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed '1,2d' "$tmpdepfile" \ + | tr ' ' "$nl" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" "$tmpdepfile".bak + ;; + +cpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + "$@" -E \ + | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + | sed '$ s: \\$::' > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + cat < "$tmpdepfile" >> "$depfile" + sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvisualcpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + IFS=" " + for arg + do + case "$arg" in + -o) + shift + ;; + $object) + shift + ;; + "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") + set fnord "$@" + shift + shift + ;; + *) + set fnord "$@" "$arg" + shift + shift + ;; + esac + done + "$@" -E 2>/dev/null | + sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" + echo "$tab" >> "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvcmsys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +none) + exec "$@" + ;; + +*) + echo "Unknown depmode $depmode" 1>&2 + exit 1 + ;; +esac + +exit 0 + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/config/install-sh b/config/install-sh new file mode 100755 index 0000000..377bb86 --- /dev/null +++ b/config/install-sh @@ -0,0 +1,527 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2011-11-20.07; # UTC + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# 'make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. + +nl=' +' +IFS=" "" $nl" + +# set DOITPROG to echo to test this script + +# Don't use :- since 4.3BSD and earlier shells don't like it. +doit=${DOITPROG-} +if test -z "$doit"; then + doit_exec=exec +else + doit_exec=$doit +fi + +# Put in absolute file names if you don't have them in your path; +# or use environment vars. + +chgrpprog=${CHGRPPROG-chgrp} +chmodprog=${CHMODPROG-chmod} +chownprog=${CHOWNPROG-chown} +cmpprog=${CMPPROG-cmp} +cpprog=${CPPROG-cp} +mkdirprog=${MKDIRPROG-mkdir} +mvprog=${MVPROG-mv} +rmprog=${RMPROG-rm} +stripprog=${STRIPPROG-strip} + +posix_glob='?' +initialize_posix_glob=' + test "$posix_glob" != "?" || { + if (set -f) 2>/dev/null; then + posix_glob= + else + posix_glob=: + fi + } +' + +posix_mkdir= + +# Desired mode of installed file. +mode=0755 + +chgrpcmd= +chmodcmd=$chmodprog +chowncmd= +mvcmd=$mvprog +rmcmd="$rmprog -f" +stripcmd= + +src= +dst= +dir_arg= +dst_arg= + +copy_on_change=false +no_target_directory= + +usage="\ +Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: + --help display this help and exit. + --version display version info and exit. + + -c (ignored) + -C install only if different (preserve the last data modification time) + -d create directories instead of installing files. + -g GROUP $chgrpprog installed files to GROUP. + -m MODE $chmodprog installed files to MODE. + -o USER $chownprog installed files to USER. + -s $stripprog installed files. + -t DIRECTORY install into DIRECTORY. + -T report an error if DSTFILE is a directory. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG + RMPROG STRIPPROG +" + +while test $# -ne 0; do + case $1 in + -c) ;; + + -C) copy_on_change=true;; + + -d) dir_arg=true;; + + -g) chgrpcmd="$chgrpprog $2" + shift;; + + --help) echo "$usage"; exit $?;; + + -m) mode=$2 + case $mode in + *' '* | *' '* | *' +'* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac + shift;; + + -o) chowncmd="$chownprog $2" + shift;; + + -s) stripcmd=$stripprog;; + + -t) dst_arg=$2 + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + shift;; + + -T) no_target_directory=true;; + + --version) echo "$0 $scriptversion"; exit $?;; + + --) shift + break;; + + -*) echo "$0: invalid option: $1" >&2 + exit 1;; + + *) break;; + esac + shift +done + +if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then + # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + # Otherwise, the last argument is the destination. Remove it from $@. + for arg + do + if test -n "$dst_arg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dst_arg" + shift # fnord + fi + shift # arg + dst_arg=$arg + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + done +fi + +if test $# -eq 0; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call 'install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +if test -z "$dir_arg"; then + do_exit='(exit $ret); exit $ret' + trap "ret=129; $do_exit" 1 + trap "ret=130; $do_exit" 2 + trap "ret=141; $do_exit" 13 + trap "ret=143; $do_exit" 15 + + # Set umask so as not to create temps with too-generous modes. + # However, 'strip' requires both read and write access to temps. + case $mode in + # Optimize common cases. + *644) cp_umask=133;; + *755) cp_umask=22;; + + *[0-7]) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw='% 200' + fi + cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; + *) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw=,u+rw + fi + cp_umask=$mode$u_plus_rw;; + esac +fi + +for src +do + # Protect names problematic for 'test' and other utilities. + case $src in + -* | [=\(\)!]) src=./$src;; + esac + + if test -n "$dir_arg"; then + dst=$src + dstdir=$dst + test -d "$dstdir" + dstdir_status=$? + else + + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dst_arg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + dst=$dst_arg + + # If destination is a directory, append the input filename; won't work + # if double slashes aren't ignored. + if test -d "$dst"; then + if test -n "$no_target_directory"; then + echo "$0: $dst_arg: Is a directory" >&2 + exit 1 + fi + dstdir=$dst + dst=$dstdir/`basename "$src"` + dstdir_status=0 + else + # Prefer dirname, but fall back on a substitute if dirname fails. + dstdir=` + (dirname "$dst") 2>/dev/null || + expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$dst" : 'X\(//\)[^/]' \| \ + X"$dst" : 'X\(//\)$' \| \ + X"$dst" : 'X\(/\)' \| . 2>/dev/null || + echo X"$dst" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q' + ` + + test -d "$dstdir" + dstdir_status=$? + fi + fi + + obsolete_mkdir_used=false + + if test $dstdir_status != 0; then + case $posix_mkdir in + '') + # Create intermediate dirs using mode 755 as modified by the umask. + # This is like FreeBSD 'install' as of 1997-10-28. + umask=`umask` + case $stripcmd.$umask in + # Optimize common cases. + *[2367][2367]) mkdir_umask=$umask;; + .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; + + *[0-7]) + mkdir_umask=`expr $umask + 22 \ + - $umask % 100 % 40 + $umask % 20 \ + - $umask % 10 % 4 + $umask % 2 + `;; + *) mkdir_umask=$umask,go-w;; + esac + + # With -d, create the new directory with the user-specified mode. + # Otherwise, rely on $mkdir_umask. + if test -n "$dir_arg"; then + mkdir_mode=-m$mode + else + mkdir_mode= + fi + + posix_mkdir=false + case $umask in + *[123567][0-7][0-7]) + # POSIX mkdir -p sets u+wx bits regardless of umask, which + # is incompatible with FreeBSD 'install' when (umask & 300) != 0. + ;; + *) + tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ + trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 + + if (umask $mkdir_umask && + exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1 + then + if test -z "$dir_arg" || { + # Check for POSIX incompatibilities with -m. + # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or + # other-writable bit of parent directory when it shouldn't. + # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. + ls_ld_tmpdir=`ls -ld "$tmpdir"` + case $ls_ld_tmpdir in + d????-?r-*) different_mode=700;; + d????-?--*) different_mode=755;; + *) false;; + esac && + $mkdirprog -m$different_mode -p -- "$tmpdir" && { + ls_ld_tmpdir_1=`ls -ld "$tmpdir"` + test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" + } + } + then posix_mkdir=: + fi + rmdir "$tmpdir/d" "$tmpdir" + else + # Remove any dirs left behind by ancient mkdir implementations. + rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null + fi + trap '' 0;; + esac;; + esac + + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) + then : + else + + # The umask is ridiculous, or mkdir does not conform to POSIX, + # or it failed possibly due to a race condition. Create the + # directory the slow way, step by step, checking for races as we go. + + case $dstdir in + /*) prefix='/';; + [-=\(\)!]*) prefix='./';; + *) prefix='';; + esac + + eval "$initialize_posix_glob" + + oIFS=$IFS + IFS=/ + $posix_glob set -f + set fnord $dstdir + shift + $posix_glob set +f + IFS=$oIFS + + prefixes= + + for d + do + test X"$d" = X && continue + + prefix=$prefix$d + if test -d "$prefix"; then + prefixes= + else + if $posix_mkdir; then + (umask=$mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break + # Don't fail if two instances are running concurrently. + test -d "$prefix" || exit 1 + else + case $prefix in + *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; + *) qprefix=$prefix;; + esac + prefixes="$prefixes '$qprefix'" + fi + fi + prefix=$prefix/ + done + + if test -n "$prefixes"; then + # Don't fail if two instances are running concurrently. + (umask $mkdir_umask && + eval "\$doit_exec \$mkdirprog $prefixes") || + test -d "$dstdir" || exit 1 + obsolete_mkdir_used=true + fi + fi + fi + + if test -n "$dir_arg"; then + { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && + { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || + test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 + else + + # Make a couple of temp file names in the proper directory. + dsttmp=$dstdir/_inst.$$_ + rmtmp=$dstdir/_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + + # Copy the file name to the temp name. + (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && + { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && + { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + + # If -C, don't bother to copy if it wouldn't change the file. + if $copy_on_change && + old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && + new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && + + eval "$initialize_posix_glob" && + $posix_glob set -f && + set X $old && old=:$2:$4:$5:$6 && + set X $new && new=:$2:$4:$5:$6 && + $posix_glob set +f && + + test "$old" = "$new" && + $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 + then + rm -f "$dsttmp" + else + # Rename the file to the real destination. + $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || + + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + { + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + test ! -f "$dst" || + $doit $rmcmd -f "$dst" 2>/dev/null || + { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && + { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } + } || + { echo "$0: cannot unlink or rename $dst" >&2 + (exit 1); exit 1 + } + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dst" + } + fi || exit 1 + + trap '' 0 + fi +done + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/config/libtool.m4 b/config/libtool.m4 new file mode 100644 index 0000000..7829ec4 --- /dev/null +++ b/config/libtool.m4 @@ -0,0 +1,7997 @@ +# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- +# +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, +# 2006, 2007, 2008, 2009, 2010, 2011 Free Software +# Foundation, Inc. +# Written by Gordon Matzigkeit, 1996 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +m4_define([_LT_COPYING], [dnl +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, +# 2006, 2007, 2008, 2009, 2010, 2011 Free Software +# Foundation, Inc. +# Written by Gordon Matzigkeit, 1996 +# +# This file is part of GNU Libtool. +# +# GNU Libtool is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# As a special exception to the GNU General Public License, +# if you distribute this file as part of a program or library that +# is built using GNU Libtool, you may include this file under the +# same distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Libtool; see the file COPYING. If not, a copy +# can be downloaded from http://www.gnu.org/licenses/gpl.html, or +# obtained by writing to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +]) + +# serial 57 LT_INIT + + +# LT_PREREQ(VERSION) +# ------------------ +# Complain and exit if this libtool version is less that VERSION. +m4_defun([LT_PREREQ], +[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, + [m4_default([$3], + [m4_fatal([Libtool version $1 or higher is required], + 63)])], + [$2])]) + + +# _LT_CHECK_BUILDDIR +# ------------------ +# Complain if the absolute build directory name contains unusual characters +m4_defun([_LT_CHECK_BUILDDIR], +[case `pwd` in + *\ * | *\ *) + AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; +esac +]) + + +# LT_INIT([OPTIONS]) +# ------------------ +AC_DEFUN([LT_INIT], +[AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT +AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl +AC_BEFORE([$0], [LT_LANG])dnl +AC_BEFORE([$0], [LT_OUTPUT])dnl +AC_BEFORE([$0], [LTDL_INIT])dnl +m4_require([_LT_CHECK_BUILDDIR])dnl + +dnl Autoconf doesn't catch unexpanded LT_ macros by default: +m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl +m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl +dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 +dnl unless we require an AC_DEFUNed macro: +AC_REQUIRE([LTOPTIONS_VERSION])dnl +AC_REQUIRE([LTSUGAR_VERSION])dnl +AC_REQUIRE([LTVERSION_VERSION])dnl +AC_REQUIRE([LTOBSOLETE_VERSION])dnl +m4_require([_LT_PROG_LTMAIN])dnl + +_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) + +dnl Parse OPTIONS +_LT_SET_OPTIONS([$0], [$1]) + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS="$ltmain" + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' +AC_SUBST(LIBTOOL)dnl + +_LT_SETUP + +# Only expand once: +m4_define([LT_INIT]) +])# LT_INIT + +# Old names: +AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT]) +AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PROG_LIBTOOL], []) +dnl AC_DEFUN([AM_PROG_LIBTOOL], []) + + +# _LT_CC_BASENAME(CC) +# ------------------- +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +m4_defun([_LT_CC_BASENAME], +[for cc_temp in $1""; do + case $cc_temp in + compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;; + distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;; + \-*) ;; + *) break;; + esac +done +cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +]) + + +# _LT_FILEUTILS_DEFAULTS +# ---------------------- +# It is okay to use these file commands and assume they have been set +# sensibly after `m4_require([_LT_FILEUTILS_DEFAULTS])'. +m4_defun([_LT_FILEUTILS_DEFAULTS], +[: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} +])# _LT_FILEUTILS_DEFAULTS + + +# _LT_SETUP +# --------- +m4_defun([_LT_SETUP], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl + +_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl +dnl +_LT_DECL([], [host_alias], [0], [The host system])dnl +_LT_DECL([], [host], [0])dnl +_LT_DECL([], [host_os], [0])dnl +dnl +_LT_DECL([], [build_alias], [0], [The build system])dnl +_LT_DECL([], [build], [0])dnl +_LT_DECL([], [build_os], [0])dnl +dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +dnl +AC_REQUIRE([AC_PROG_LN_S])dnl +test -z "$LN_S" && LN_S="ln -s" +_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl +dnl +AC_REQUIRE([LT_CMD_MAX_LEN])dnl +_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl +_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl +dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_CHECK_SHELL_FEATURES])dnl +m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl +m4_require([_LT_CMD_RELOAD])dnl +m4_require([_LT_CHECK_MAGIC_METHOD])dnl +m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl +m4_require([_LT_CMD_OLD_ARCHIVE])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl +m4_require([_LT_WITH_SYSROOT])dnl + +_LT_CONFIG_LIBTOOL_INIT([ +# See if we are running on zsh, and set the options which allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi +]) +if test -n "${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi + +_LT_CHECK_OBJDIR + +m4_require([_LT_TAG_COMPILER])dnl + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a `.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a + +with_gnu_ld="$lt_cv_prog_gnu_ld" + +old_CC="$CC" +old_CFLAGS="$CFLAGS" + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +_LT_CC_BASENAME([$compiler]) + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + _LT_PATH_MAGIC + fi + ;; +esac + +# Use C for the default configuration in the libtool script +LT_SUPPORTED_TAG([CC]) +_LT_LANG_C_CONFIG +_LT_LANG_DEFAULT_CONFIG +_LT_CONFIG_COMMANDS +])# _LT_SETUP + + +# _LT_PREPARE_SED_QUOTE_VARS +# -------------------------- +# Define a few sed substitution that help us do robust quoting. +m4_defun([_LT_PREPARE_SED_QUOTE_VARS], +[# Backslashify metacharacters that are still active within +# double-quoted strings. +sed_quote_subst='s/\([["`$\\]]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\([["`\\]]\)/\\\1/g' + +# Sed substitution to delay expansion of an escaped shell variable in a +# double_quote_subst'ed string. +delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' + +# Sed substitution to delay expansion of an escaped single quote. +delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' + +# Sed substitution to avoid accidental globbing in evaled expressions +no_glob_subst='s/\*/\\\*/g' +]) + +# _LT_PROG_LTMAIN +# --------------- +# Note that this code is called both from `configure', and `config.status' +# now that we use AC_CONFIG_COMMANDS to generate libtool. Notably, +# `config.status' has no value for ac_aux_dir unless we are using Automake, +# so we pass a copy along to make sure it has a sensible value anyway. +m4_defun([_LT_PROG_LTMAIN], +[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl +_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir']) +ltmain="$ac_aux_dir/ltmain.sh" +])# _LT_PROG_LTMAIN + + +## ------------------------------------- ## +## Accumulate code for creating libtool. ## +## ------------------------------------- ## + +# So that we can recreate a full libtool script including additional +# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS +# in macros and then make a single call at the end using the `libtool' +# label. + + +# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS]) +# ---------------------------------------- +# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL_INIT], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_INIT], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_INIT]) + + +# _LT_CONFIG_LIBTOOL([COMMANDS]) +# ------------------------------ +# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS]) + + +# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS]) +# ----------------------------------------------------- +m4_defun([_LT_CONFIG_SAVE_COMMANDS], +[_LT_CONFIG_LIBTOOL([$1]) +_LT_CONFIG_LIBTOOL_INIT([$2]) +]) + + +# _LT_FORMAT_COMMENT([COMMENT]) +# ----------------------------- +# Add leading comment marks to the start of each line, and a trailing +# full-stop to the whole comment if one is not present already. +m4_define([_LT_FORMAT_COMMENT], +[m4_ifval([$1], [ +m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])], + [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.]) +)]) + + + +## ------------------------ ## +## FIXME: Eliminate VARNAME ## +## ------------------------ ## + + +# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?]) +# ------------------------------------------------------------------- +# CONFIGNAME is the name given to the value in the libtool script. +# VARNAME is the (base) name used in the configure script. +# VALUE may be 0, 1 or 2 for a computed quote escaped value based on +# VARNAME. Any other value will be used directly. +m4_define([_LT_DECL], +[lt_if_append_uniq([lt_decl_varnames], [$2], [, ], + [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name], + [m4_ifval([$1], [$1], [$2])]) + lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3]) + m4_ifval([$4], + [lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])]) + lt_dict_add_subkey([lt_decl_dict], [$2], + [tagged?], [m4_ifval([$5], [yes], [no])])]) +]) + + +# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION]) +# -------------------------------------------------------- +m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])]) + + +# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_tag_varnames], +[_lt_decl_filter([tagged?], [yes], $@)]) + + +# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..]) +# --------------------------------------------------------- +m4_define([_lt_decl_filter], +[m4_case([$#], + [0], [m4_fatal([$0: too few arguments: $#])], + [1], [m4_fatal([$0: too few arguments: $#: $1])], + [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)], + [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)], + [lt_dict_filter([lt_decl_dict], $@)])[]dnl +]) + + +# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...]) +# -------------------------------------------------- +m4_define([lt_decl_quote_varnames], +[_lt_decl_filter([value], [1], $@)]) + + +# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_dquote_varnames], +[_lt_decl_filter([value], [2], $@)]) + + +# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_varnames_tagged], +[m4_assert([$# <= 2])dnl +_$0(m4_quote(m4_default([$1], [[, ]])), + m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]), + m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))]) +m4_define([_lt_decl_varnames_tagged], +[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])]) + + +# lt_decl_all_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_all_varnames], +[_$0(m4_quote(m4_default([$1], [[, ]])), + m4_if([$2], [], + m4_quote(lt_decl_varnames), + m4_quote(m4_shift($@))))[]dnl +]) +m4_define([_lt_decl_all_varnames], +[lt_join($@, lt_decl_varnames_tagged([$1], + lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl +]) + + +# _LT_CONFIG_STATUS_DECLARE([VARNAME]) +# ------------------------------------ +# Quote a variable value, and forward it to `config.status' so that its +# declaration there will have the same value as in `configure'. VARNAME +# must have a single quote delimited value for this to work. +m4_define([_LT_CONFIG_STATUS_DECLARE], +[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`']) + + +# _LT_CONFIG_STATUS_DECLARATIONS +# ------------------------------ +# We delimit libtool config variables with single quotes, so when +# we write them to config.status, we have to be sure to quote all +# embedded single quotes properly. In configure, this macro expands +# each variable declared with _LT_DECL (and _LT_TAGDECL) into: +# +# ='`$ECHO "$" | $SED "$delay_single_quote_subst"`' +m4_defun([_LT_CONFIG_STATUS_DECLARATIONS], +[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames), + [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAGS +# ---------------- +# Output comment and list of tags supported by the script +m4_defun([_LT_LIBTOOL_TAGS], +[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl +available_tags="_LT_TAGS"dnl +]) + + +# _LT_LIBTOOL_DECLARE(VARNAME, [TAG]) +# ----------------------------------- +# Extract the dictionary values for VARNAME (optionally with TAG) and +# expand to a commented shell variable setting: +# +# # Some comment about what VAR is for. +# visible_name=$lt_internal_name +m4_define([_LT_LIBTOOL_DECLARE], +[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], + [description])))[]dnl +m4_pushdef([_libtool_name], + m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl +m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])), + [0], [_libtool_name=[$]$1], + [1], [_libtool_name=$lt_[]$1], + [2], [_libtool_name=$lt_[]$1], + [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl +m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl +]) + + +# _LT_LIBTOOL_CONFIG_VARS +# ----------------------- +# Produce commented declarations of non-tagged libtool config variables +# suitable for insertion in the LIBTOOL CONFIG section of the `libtool' +# script. Tagged libtool config variables (even for the LIBTOOL CONFIG +# section) are produced by _LT_LIBTOOL_TAG_VARS. +m4_defun([_LT_LIBTOOL_CONFIG_VARS], +[m4_foreach([_lt_var], + m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAG_VARS(TAG) +# ------------------------- +m4_define([_LT_LIBTOOL_TAG_VARS], +[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])]) + + +# _LT_TAGVAR(VARNAME, [TAGNAME]) +# ------------------------------ +m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])]) + + +# _LT_CONFIG_COMMANDS +# ------------------- +# Send accumulated output to $CONFIG_STATUS. Thanks to the lists of +# variables for single and double quote escaping we saved from calls +# to _LT_DECL, we can put quote escaped variables declarations +# into `config.status', and then the shell code to quote escape them in +# for loops in `config.status'. Finally, any additional code accumulated +# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded. +m4_defun([_LT_CONFIG_COMMANDS], +[AC_PROVIDE_IFELSE([LT_OUTPUT], + dnl If the libtool generation code has been placed in $CONFIG_LT, + dnl instead of duplicating it all over again into config.status, + dnl then we will have config.status run $CONFIG_LT later, so it + dnl needs to know what name is stored there: + [AC_CONFIG_COMMANDS([libtool], + [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])], + dnl If the libtool generation code is destined for config.status, + dnl expand the accumulated commands and init code now: + [AC_CONFIG_COMMANDS([libtool], + [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])]) +])#_LT_CONFIG_COMMANDS + + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT], +[ + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +sed_quote_subst='$sed_quote_subst' +double_quote_subst='$double_quote_subst' +delay_variable_subst='$delay_variable_subst' +_LT_CONFIG_STATUS_DECLARATIONS +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$[]1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_quote_varnames); do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_dquote_varnames); do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +_LT_OUTPUT_LIBTOOL_INIT +]) + +# _LT_GENERATED_FILE_INIT(FILE, [COMMENT]) +# ------------------------------------ +# Generate a child script FILE with all initialization necessary to +# reuse the environment learned by the parent script, and make the +# file executable. If COMMENT is supplied, it is inserted after the +# `#!' sequence but before initialization text begins. After this +# macro, additional text can be appended to FILE to form the body of +# the child script. The macro ends with non-zero status if the +# file could not be fully written (such as if the disk is full). +m4_ifdef([AS_INIT_GENERATED], +[m4_defun([_LT_GENERATED_FILE_INIT],[AS_INIT_GENERATED($@)])], +[m4_defun([_LT_GENERATED_FILE_INIT], +[m4_require([AS_PREPARE])]dnl +[m4_pushdef([AS_MESSAGE_LOG_FD])]dnl +[lt_write_fail=0 +cat >$1 <<_ASEOF || lt_write_fail=1 +#! $SHELL +# Generated by $as_me. +$2 +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$1 <<\_ASEOF || lt_write_fail=1 +AS_SHELL_SANITIZE +_AS_PREPARE +exec AS_MESSAGE_FD>&1 +_ASEOF +test $lt_write_fail = 0 && chmod +x $1[]dnl +m4_popdef([AS_MESSAGE_LOG_FD])])])# _LT_GENERATED_FILE_INIT + +# LT_OUTPUT +# --------- +# This macro allows early generation of the libtool script (before +# AC_OUTPUT is called), incase it is used in configure for compilation +# tests. +AC_DEFUN([LT_OUTPUT], +[: ${CONFIG_LT=./config.lt} +AC_MSG_NOTICE([creating $CONFIG_LT]) +_LT_GENERATED_FILE_INIT(["$CONFIG_LT"], +[# Run this file to recreate a libtool stub with the current configuration.]) + +cat >>"$CONFIG_LT" <<\_LTEOF +lt_cl_silent=false +exec AS_MESSAGE_LOG_FD>>config.log +{ + echo + AS_BOX([Running $as_me.]) +} >&AS_MESSAGE_LOG_FD + +lt_cl_help="\ +\`$as_me' creates a local libtool stub from the current configuration, +for use in further configure time tests before the real libtool is +generated. + +Usage: $[0] [[OPTIONS]] + + -h, --help print this help, then exit + -V, --version print version number, then exit + -q, --quiet do not print progress messages + -d, --debug don't remove temporary files + +Report bugs to ." + +lt_cl_version="\ +m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl +m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION]) +configured by $[0], generated by m4_PACKAGE_STRING. + +Copyright (C) 2011 Free Software Foundation, Inc. +This config.lt script is free software; the Free Software Foundation +gives unlimited permision to copy, distribute and modify it." + +while test $[#] != 0 +do + case $[1] in + --version | --v* | -V ) + echo "$lt_cl_version"; exit 0 ;; + --help | --h* | -h ) + echo "$lt_cl_help"; exit 0 ;; + --debug | --d* | -d ) + debug=: ;; + --quiet | --q* | --silent | --s* | -q ) + lt_cl_silent=: ;; + + -*) AC_MSG_ERROR([unrecognized option: $[1] +Try \`$[0] --help' for more information.]) ;; + + *) AC_MSG_ERROR([unrecognized argument: $[1] +Try \`$[0] --help' for more information.]) ;; + esac + shift +done + +if $lt_cl_silent; then + exec AS_MESSAGE_FD>/dev/null +fi +_LTEOF + +cat >>"$CONFIG_LT" <<_LTEOF +_LT_OUTPUT_LIBTOOL_COMMANDS_INIT +_LTEOF + +cat >>"$CONFIG_LT" <<\_LTEOF +AC_MSG_NOTICE([creating $ofile]) +_LT_OUTPUT_LIBTOOL_COMMANDS +AS_EXIT(0) +_LTEOF +chmod +x "$CONFIG_LT" + +# configure is writing to config.log, but config.lt does its own redirection, +# appending to config.log, which fails on DOS, as config.log is still kept +# open by configure. Here we exec the FD to /dev/null, effectively closing +# config.log, so it can be properly (re)opened and appended to by config.lt. +lt_cl_success=: +test "$silent" = yes && + lt_config_lt_args="$lt_config_lt_args --quiet" +exec AS_MESSAGE_LOG_FD>/dev/null +$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false +exec AS_MESSAGE_LOG_FD>>config.log +$lt_cl_success || AS_EXIT(1) +])# LT_OUTPUT + + +# _LT_CONFIG(TAG) +# --------------- +# If TAG is the built-in tag, create an initial libtool script with a +# default configuration from the untagged config vars. Otherwise add code +# to config.status for appending the configuration named by TAG from the +# matching tagged config vars. +m4_defun([_LT_CONFIG], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_CONFIG_SAVE_COMMANDS([ + m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl + m4_if(_LT_TAG, [C], [ + # See if we are running on zsh, and set the options which allow our + # commands through without removal of \ escapes. + if test -n "${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST + fi + + cfgfile="${ofile}T" + trap "$RM \"$cfgfile\"; exit 1" 1 2 15 + $RM "$cfgfile" + + cat <<_LT_EOF >> "$cfgfile" +#! $SHELL + +# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services. +# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION +# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`: +# NOTE: Changes made to this file will be lost: look at ltmain.sh. +# +_LT_COPYING +_LT_LIBTOOL_TAGS + +# ### BEGIN LIBTOOL CONFIG +_LT_LIBTOOL_CONFIG_VARS +_LT_LIBTOOL_TAG_VARS +# ### END LIBTOOL CONFIG + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + _LT_PROG_LTMAIN + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + _LT_PROG_REPLACE_SHELLFNS + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" +], +[cat <<_LT_EOF >> "$ofile" + +dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded +dnl in a comment (ie after a #). +# ### BEGIN LIBTOOL TAG CONFIG: $1 +_LT_LIBTOOL_TAG_VARS(_LT_TAG) +# ### END LIBTOOL TAG CONFIG: $1 +_LT_EOF +])dnl /m4_if +], +[m4_if([$1], [], [ + PACKAGE='$PACKAGE' + VERSION='$VERSION' + TIMESTAMP='$TIMESTAMP' + RM='$RM' + ofile='$ofile'], []) +])dnl /_LT_CONFIG_SAVE_COMMANDS +])# _LT_CONFIG + + +# LT_SUPPORTED_TAG(TAG) +# --------------------- +# Trace this macro to discover what tags are supported by the libtool +# --tag option, using: +# autoconf --trace 'LT_SUPPORTED_TAG:$1' +AC_DEFUN([LT_SUPPORTED_TAG], []) + + +# C support is built-in for now +m4_define([_LT_LANG_C_enabled], []) +m4_define([_LT_TAGS], []) + + +# LT_LANG(LANG) +# ------------- +# Enable libtool support for the given language if not already enabled. +AC_DEFUN([LT_LANG], +[AC_BEFORE([$0], [LT_OUTPUT])dnl +m4_case([$1], + [C], [_LT_LANG(C)], + [C++], [_LT_LANG(CXX)], + [Go], [_LT_LANG(GO)], + [Java], [_LT_LANG(GCJ)], + [Fortran 77], [_LT_LANG(F77)], + [Fortran], [_LT_LANG(FC)], + [Windows Resource], [_LT_LANG(RC)], + [m4_ifdef([_LT_LANG_]$1[_CONFIG], + [_LT_LANG($1)], + [m4_fatal([$0: unsupported language: "$1"])])])dnl +])# LT_LANG + + +# _LT_LANG(LANGNAME) +# ------------------ +m4_defun([_LT_LANG], +[m4_ifdef([_LT_LANG_]$1[_enabled], [], + [LT_SUPPORTED_TAG([$1])dnl + m4_append([_LT_TAGS], [$1 ])dnl + m4_define([_LT_LANG_]$1[_enabled], [])dnl + _LT_LANG_$1_CONFIG($1)])dnl +])# _LT_LANG + + +m4_ifndef([AC_PROG_GO], [ +############################################################ +# NOTE: This macro has been submitted for inclusion into # +# GNU Autoconf as AC_PROG_GO. When it is available in # +# a released version of Autoconf we should remove this # +# macro and use it instead. # +############################################################ +m4_defun([AC_PROG_GO], +[AC_LANG_PUSH(Go)dnl +AC_ARG_VAR([GOC], [Go compiler command])dnl +AC_ARG_VAR([GOFLAGS], [Go compiler flags])dnl +_AC_ARG_VAR_LDFLAGS()dnl +AC_CHECK_TOOL(GOC, gccgo) +if test -z "$GOC"; then + if test -n "$ac_tool_prefix"; then + AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [${ac_tool_prefix}gccgo]) + fi +fi +if test -z "$GOC"; then + AC_CHECK_PROG(GOC, gccgo, gccgo, false) +fi +])#m4_defun +])#m4_ifndef + + +# _LT_LANG_DEFAULT_CONFIG +# ----------------------- +m4_defun([_LT_LANG_DEFAULT_CONFIG], +[AC_PROVIDE_IFELSE([AC_PROG_CXX], + [LT_LANG(CXX)], + [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])]) + +AC_PROVIDE_IFELSE([AC_PROG_F77], + [LT_LANG(F77)], + [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])]) + +AC_PROVIDE_IFELSE([AC_PROG_FC], + [LT_LANG(FC)], + [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])]) + +dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal +dnl pulling things in needlessly. +AC_PROVIDE_IFELSE([AC_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([A][M_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([LT_PROG_GCJ], + [LT_LANG(GCJ)], + [m4_ifdef([AC_PROG_GCJ], + [m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([A][M_PROG_GCJ], + [m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([LT_PROG_GCJ], + [m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])]) + +AC_PROVIDE_IFELSE([AC_PROG_GO], + [LT_LANG(GO)], + [m4_define([AC_PROG_GO], defn([AC_PROG_GO])[LT_LANG(GO)])]) + +AC_PROVIDE_IFELSE([LT_PROG_RC], + [LT_LANG(RC)], + [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])]) +])# _LT_LANG_DEFAULT_CONFIG + +# Obsolete macros: +AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)]) +AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)]) +AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)]) +AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)]) +AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_CXX], []) +dnl AC_DEFUN([AC_LIBTOOL_F77], []) +dnl AC_DEFUN([AC_LIBTOOL_FC], []) +dnl AC_DEFUN([AC_LIBTOOL_GCJ], []) +dnl AC_DEFUN([AC_LIBTOOL_RC], []) + + +# _LT_TAG_COMPILER +# ---------------- +m4_defun([_LT_TAG_COMPILER], +[AC_REQUIRE([AC_PROG_CC])dnl + +_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl +_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl +_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl +_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC +])# _LT_TAG_COMPILER + + +# _LT_COMPILER_BOILERPLATE +# ------------------------ +# Check for compiler boilerplate output or warnings with +# the simple compiler test code. +m4_defun([_LT_COMPILER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* +])# _LT_COMPILER_BOILERPLATE + + +# _LT_LINKER_BOILERPLATE +# ---------------------- +# Check for linker boilerplate output or warnings with +# the simple link test code. +m4_defun([_LT_LINKER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* +])# _LT_LINKER_BOILERPLATE + +# _LT_REQUIRED_DARWIN_CHECKS +# ------------------------- +m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[ + case $host_os in + rhapsody* | darwin*) + AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:]) + AC_CHECK_TOOL([NMEDIT], [nmedit], [:]) + AC_CHECK_TOOL([LIPO], [lipo], [:]) + AC_CHECK_TOOL([OTOOL], [otool], [:]) + AC_CHECK_TOOL([OTOOL64], [otool64], [:]) + _LT_DECL([], [DSYMUTIL], [1], + [Tool to manipulate archived DWARF debug symbol files on Mac OS X]) + _LT_DECL([], [NMEDIT], [1], + [Tool to change global to local symbols on Mac OS X]) + _LT_DECL([], [LIPO], [1], + [Tool to manipulate fat objects and archives on Mac OS X]) + _LT_DECL([], [OTOOL], [1], + [ldd/readelf like tool for Mach-O binaries on Mac OS X]) + _LT_DECL([], [OTOOL64], [1], + [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4]) + + AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod], + [lt_cv_apple_cc_single_mod=no + if test -z "${LT_MULTI_MODULE}"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + # If there is a non-empty error log, and "single_module" + # appears in it, assume the flag caused a linker warning + if test -s conftest.err && $GREP single_module conftest.err; then + cat conftest.err >&AS_MESSAGE_LOG_FD + # Otherwise, if the output was created with a 0 exit code from + # the compiler, it worked. + elif test -f libconftest.dylib && test $_lt_result -eq 0; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&AS_MESSAGE_LOG_FD + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi]) + + AC_CACHE_CHECK([for -exported_symbols_list linker flag], + [lt_cv_ld_exported_symbols_list], + [lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [lt_cv_ld_exported_symbols_list=yes], + [lt_cv_ld_exported_symbols_list=no]) + LDFLAGS="$save_LDFLAGS" + ]) + + AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load], + [lt_cv_ld_force_load=no + cat > conftest.c << _LT_EOF +int forced_loaded() { return 2;} +_LT_EOF + echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD + echo "$AR cru libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD + $AR cru libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD + echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD + $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD + cat > conftest.c << _LT_EOF +int main() { return 0;} +_LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? + if test -s conftest.err && $GREP force_load conftest.err; then + cat conftest.err >&AS_MESSAGE_LOG_FD + elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&AS_MESSAGE_LOG_FD + fi + rm -f conftest.err libconftest.a conftest conftest.c + rm -rf conftest.dSYM + ]) + case $host_os in + rhapsody* | darwin1.[[012]]) + _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[[91]]*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + 10.[[012]]*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test "$lt_cv_apple_cc_single_mod" = "yes"; then + _lt_dar_single_mod='$single_module' + fi + if test "$lt_cv_ld_exported_symbols_list" = "yes"; then + _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}' + fi + if test "$DSYMUTIL" != ":" && test "$lt_cv_ld_force_load" = "no"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac +]) + + +# _LT_DARWIN_LINKER_FEATURES([TAG]) +# --------------------------------- +# Checks for linker and compiler features on darwin +m4_defun([_LT_DARWIN_LINKER_FEATURES], +[ + m4_require([_LT_REQUIRED_DARWIN_CHECKS]) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_automatic, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + if test "$lt_cv_ld_force_load" = "yes"; then + _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + m4_case([$1], [F77], [_LT_TAGVAR(compiler_needs_object, $1)=yes], + [FC], [_LT_TAGVAR(compiler_needs_object, $1)=yes]) + else + _LT_TAGVAR(whole_archive_flag_spec, $1)='' + fi + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined" + case $cc_basename in + ifort*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test "$_lt_dar_can_shared" = "yes"; then + output_verbose_link_cmd=func_echo_all + _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" + _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" + _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" + m4_if([$1], [CXX], +[ if test "$lt_cv_apple_cc_single_mod" != "yes"; then + _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}" + fi +],[]) + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi +]) + +# _LT_SYS_MODULE_PATH_AIX([TAGNAME]) +# ---------------------------------- +# Links a minimal program and checks the executable +# for the system default hardcoded library path. In most cases, +# this is /usr/lib:/lib, but when the MPI compilers are used +# the location of the communication and MPI libs are included too. +# If we don't find anything, use the default library path according +# to the aix ld manual. +# Store the results from the different compilers for each TAGNAME. +# Allow to override them for all tags through lt_cv_aix_libpath. +m4_defun([_LT_SYS_MODULE_PATH_AIX], +[m4_require([_LT_DECL_SED])dnl +if test "${lt_cv_aix_libpath+set}" = set; then + aix_libpath=$lt_cv_aix_libpath +else + AC_CACHE_VAL([_LT_TAGVAR([lt_cv_aix_libpath_], [$1])], + [AC_LINK_IFELSE([AC_LANG_PROGRAM],[ + lt_aix_libpath_sed='[ + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }]' + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi],[]) + if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])="/usr/lib:/lib" + fi + ]) + aix_libpath=$_LT_TAGVAR([lt_cv_aix_libpath_], [$1]) +fi +])# _LT_SYS_MODULE_PATH_AIX + + +# _LT_SHELL_INIT(ARG) +# ------------------- +m4_define([_LT_SHELL_INIT], +[m4_divert_text([M4SH-INIT], [$1 +])])# _LT_SHELL_INIT + + + +# _LT_PROG_ECHO_BACKSLASH +# ----------------------- +# Find how we can fake an echo command that does not interpret backslash. +# In particular, with Autoconf 2.60 or later we add some code to the start +# of the generated configure script which will find a shell with a builtin +# printf (which we can use as an echo command). +m4_defun([_LT_PROG_ECHO_BACKSLASH], +[ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + +AC_MSG_CHECKING([how to print strings]) +# Test print first, because it will be a builtin if present. +if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \ + test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='print -r --' +elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='printf %s\n' +else + # Use this function as a fallback that always works. + func_fallback_echo () + { + eval 'cat <<_LTECHO_EOF +$[]1 +_LTECHO_EOF' + } + ECHO='func_fallback_echo' +fi + +# func_echo_all arg... +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "$*" +} + +case "$ECHO" in + printf*) AC_MSG_RESULT([printf]) ;; + print*) AC_MSG_RESULT([print -r]) ;; + *) AC_MSG_RESULT([cat]) ;; +esac + +m4_ifdef([_AS_DETECT_SUGGESTED], +[_AS_DETECT_SUGGESTED([ + test -n "${ZSH_VERSION+set}${BASH_VERSION+set}" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO + ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test "X`printf %s $ECHO`" = "X$ECHO" \ + || test "X`print -r -- $ECHO`" = "X$ECHO" )])]) + +_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts]) +_LT_DECL([], [ECHO], [1], [An echo program that protects backslashes]) +])# _LT_PROG_ECHO_BACKSLASH + + +# _LT_WITH_SYSROOT +# ---------------- +AC_DEFUN([_LT_WITH_SYSROOT], +[AC_MSG_CHECKING([for sysroot]) +AC_ARG_WITH([sysroot], +[ --with-sysroot[=DIR] Search for dependent libraries within DIR + (or the compiler's sysroot if not specified).], +[], [with_sysroot=no]) + +dnl lt_sysroot will always be passed unquoted. We quote it here +dnl in case the user passed a directory name. +lt_sysroot= +case ${with_sysroot} in #( + yes) + if test "$GCC" = yes; then + lt_sysroot=`$CC --print-sysroot 2>/dev/null` + fi + ;; #( + /*) + lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` + ;; #( + no|'') + ;; #( + *) + AC_MSG_RESULT([${with_sysroot}]) + AC_MSG_ERROR([The sysroot must be an absolute path.]) + ;; +esac + + AC_MSG_RESULT([${lt_sysroot:-no}]) +_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl +[dependent libraries, and in which our libraries should be installed.])]) + +# _LT_ENABLE_LOCK +# --------------- +m4_defun([_LT_ENABLE_LOCK], +[AC_ARG_ENABLE([libtool-lock], + [AS_HELP_STRING([--disable-libtool-lock], + [avoid locking (might break parallel builds)])]) +test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE="32" + ;; + *ELF-64*) + HPUX_IA64_MODE="64" + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out which ABI we are using. + echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + if test "$lt_cv_prog_gnu_ld" = yes; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ +s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*) + case `/usr/bin/file conftest.o` in + *x86-64*) + LD="${LD-ld} -m elf32_x86_64" + ;; + *) + LD="${LD-ld} -m elf_i386" + ;; + esac + ;; + powerpc64le-*) + LD="${LD-ld} -m elf32lppclinux" + ;; + powerpc64-*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + powerpcle-*) + LD="${LD-ld} -m elf64lppc" + ;; + powerpc-*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -belf" + AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, + [AC_LANG_PUSH(C) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no]) + AC_LANG_POP]) + if test x"$lt_cv_cc_needs_belf" != x"yes"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS="$SAVE_CFLAGS" + fi + ;; +*-*solaris*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) + case $host in + i?86-*-solaris*) + LD="${LD-ld} -m elf_x86_64" + ;; + sparc*-*-solaris*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + # GNU ld 2.21 introduced _sol2 emulations. Use them if available. + if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then + LD="${LD-ld}_sol2" + fi + ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks="$enable_libtool_lock" +])# _LT_ENABLE_LOCK + + +# _LT_PROG_AR +# ----------- +m4_defun([_LT_PROG_AR], +[AC_CHECK_TOOLS(AR, [ar], false) +: ${AR=ar} +: ${AR_FLAGS=cru} +_LT_DECL([], [AR], [1], [The archiver]) +_LT_DECL([], [AR_FLAGS], [1], [Flags to create an archive]) + +AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file], + [lt_cv_ar_at_file=no + AC_COMPILE_IFELSE([AC_LANG_PROGRAM], + [echo conftest.$ac_objext > conftest.lst + lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD' + AC_TRY_EVAL([lt_ar_try]) + if test "$ac_status" -eq 0; then + # Ensure the archiver fails upon bogus file names. + rm -f conftest.$ac_objext libconftest.a + AC_TRY_EVAL([lt_ar_try]) + if test "$ac_status" -ne 0; then + lt_cv_ar_at_file=@ + fi + fi + rm -f conftest.* libconftest.a + ]) + ]) + +if test "x$lt_cv_ar_at_file" = xno; then + archiver_list_spec= +else + archiver_list_spec=$lt_cv_ar_at_file +fi +_LT_DECL([], [archiver_list_spec], [1], + [How to feed a file listing to the archiver]) +])# _LT_PROG_AR + + +# _LT_CMD_OLD_ARCHIVE +# ------------------- +m4_defun([_LT_CMD_OLD_ARCHIVE], +[_LT_PROG_AR + +AC_CHECK_TOOL(STRIP, strip, :) +test -z "$STRIP" && STRIP=: +_LT_DECL([], [STRIP], [1], [A symbol stripping program]) + +AC_CHECK_TOOL(RANLIB, ranlib, :) +test -z "$RANLIB" && RANLIB=: +_LT_DECL([], [RANLIB], [1], + [Commands used to install an old-style archive]) + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" +fi + +case $host_os in + darwin*) + lock_old_archive_extraction=yes ;; + *) + lock_old_archive_extraction=no ;; +esac +_LT_DECL([], [old_postinstall_cmds], [2]) +_LT_DECL([], [old_postuninstall_cmds], [2]) +_LT_TAGDECL([], [old_archive_cmds], [2], + [Commands used to build an old-style archive]) +_LT_DECL([], [lock_old_archive_extraction], [0], + [Whether to use a lock for old archive extraction]) +])# _LT_CMD_OLD_ARCHIVE + + +# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------------------- +# Check whether the given compiler option works +AC_DEFUN([_LT_COMPILER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4]) + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$3" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + fi + $RM conftest* +]) + +if test x"[$]$2" = xyes; then + m4_if([$5], , :, [$5]) +else + m4_if([$6], , :, [$6]) +fi +])# _LT_COMPILER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], []) + + +# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------- +# Check whether the given linker option works +AC_DEFUN([_LT_LINKER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS $3" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&AS_MESSAGE_LOG_FD + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + else + $2=yes + fi + fi + $RM -r conftest* + LDFLAGS="$save_LDFLAGS" +]) + +if test x"[$]$2" = xyes; then + m4_if([$4], , :, [$4]) +else + m4_if([$5], , :, [$5]) +fi +])# _LT_LINKER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], []) + + +# LT_CMD_MAX_LEN +#--------------- +AC_DEFUN([LT_CMD_MAX_LEN], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +# find the maximum length of command line arguments +AC_MSG_CHECKING([the maximum length of command line arguments]) +AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl + i=0 + teststring="ABCD" + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + mint*) + # On MiNT this can take a long time and run out of memory. + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + os2*) + # The test takes a long time on OS/2. + lt_cv_sys_max_cmd_len=8192 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ ]]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len" && \ + test undefined != "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8 ; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test $i != 17 # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac +]) +if test -n $lt_cv_sys_max_cmd_len ; then + AC_MSG_RESULT($lt_cv_sys_max_cmd_len) +else + AC_MSG_RESULT(none) +fi +max_cmd_len=$lt_cv_sys_max_cmd_len +_LT_DECL([], [max_cmd_len], [0], + [What is the maximum length of a command?]) +])# LT_CMD_MAX_LEN + +# Old name: +AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) + + +# _LT_HEADER_DLFCN +# ---------------- +m4_defun([_LT_HEADER_DLFCN], +[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl +])# _LT_HEADER_DLFCN + + +# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, +# ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) +# ---------------------------------------------------------------- +m4_defun([_LT_TRY_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test "$cross_compiling" = yes; then : + [$4] +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +[#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisbility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +}] +_LT_EOF + if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then + (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) $1 ;; + x$lt_dlneed_uscore) $2 ;; + x$lt_dlunknown|x*) $3 ;; + esac + else : + # compilation failed + $3 + fi +fi +rm -fr conftest* +])# _LT_TRY_DLOPEN_SELF + + +# LT_SYS_DLOPEN_SELF +# ------------------ +AC_DEFUN([LT_SYS_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test "x$enable_dlopen" != xyes; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen="load_add_on" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen="LoadLibrary" + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen="dlopen" + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[ + lt_cv_dlopen="dyld" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ]) + ;; + + *) + AC_CHECK_FUNC([shl_load], + [lt_cv_dlopen="shl_load"], + [AC_CHECK_LIB([dld], [shl_load], + [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"], + [AC_CHECK_FUNC([dlopen], + [lt_cv_dlopen="dlopen"], + [AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"], + [AC_CHECK_LIB([svld], [dlopen], + [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"], + [AC_CHECK_LIB([dld], [dld_link], + [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"]) + ]) + ]) + ]) + ]) + ]) + ;; + esac + + if test "x$lt_cv_dlopen" != xno; then + enable_dlopen=yes + else + enable_dlopen=no + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS="$CPPFLAGS" + test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS="$LDFLAGS" + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS="$LIBS" + LIBS="$lt_cv_dlopen_libs $LIBS" + + AC_CACHE_CHECK([whether a program can dlopen itself], + lt_cv_dlopen_self, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, + lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) + ]) + + if test "x$lt_cv_dlopen_self" = xyes; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + AC_CACHE_CHECK([whether a statically linked program can dlopen itself], + lt_cv_dlopen_self_static, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, + lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) + ]) + fi + + CPPFLAGS="$save_CPPFLAGS" + LDFLAGS="$save_LDFLAGS" + LIBS="$save_LIBS" + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi +_LT_DECL([dlopen_support], [enable_dlopen], [0], + [Whether dlopen is supported]) +_LT_DECL([dlopen_self], [enable_dlopen_self], [0], + [Whether dlopen of programs is supported]) +_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0], + [Whether dlopen of statically linked programs is supported]) +])# LT_SYS_DLOPEN_SELF + +# Old name: +AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], []) + + +# _LT_COMPILER_C_O([TAGNAME]) +# --------------------------- +# Check to see if options -c and -o are simultaneously supported by compiler. +# This macro does not hard code the compiler like AC_PROG_CC_C_O. +m4_defun([_LT_COMPILER_C_O], +[m4_require([_LT_DECL_SED])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + fi + fi + chmod u+w . 2>&AS_MESSAGE_LOG_FD + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* +]) +_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1], + [Does compiler simultaneously support -c and -o options?]) +])# _LT_COMPILER_C_O + + +# _LT_COMPILER_FILE_LOCKS([TAGNAME]) +# ---------------------------------- +# Check to see if we can do hard links to lock some files if needed +m4_defun([_LT_COMPILER_FILE_LOCKS], +[m4_require([_LT_ENABLE_LOCK])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_COMPILER_C_O([$1]) + +hard_links="nottested" +if test "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then + # do not overwrite the value of need_locks provided by the user + AC_MSG_CHECKING([if we can lock with hard links]) + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + AC_MSG_RESULT([$hard_links]) + if test "$hard_links" = no; then + AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe]) + need_locks=warn + fi +else + need_locks=no +fi +_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?]) +])# _LT_COMPILER_FILE_LOCKS + + +# _LT_CHECK_OBJDIR +# ---------------- +m4_defun([_LT_CHECK_OBJDIR], +[AC_CACHE_CHECK([for objdir], [lt_cv_objdir], +[rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null]) +objdir=$lt_cv_objdir +_LT_DECL([], [objdir], [0], + [The name of the directory that contains temporary libtool files])dnl +m4_pattern_allow([LT_OBJDIR])dnl +AC_DEFINE_UNQUOTED(LT_OBJDIR, "$lt_cv_objdir/", + [Define to the sub-directory in which libtool stores uninstalled libraries.]) +])# _LT_CHECK_OBJDIR + + +# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME]) +# -------------------------------------- +# Check hardcoding attributes. +m4_defun([_LT_LINKER_HARDCODE_LIBPATH], +[AC_MSG_CHECKING([how to hardcode library paths into programs]) +_LT_TAGVAR(hardcode_action, $1)= +if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" || + test -n "$_LT_TAGVAR(runpath_var, $1)" || + test "X$_LT_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then + + # We can hardcode non-existent directories. + if test "$_LT_TAGVAR(hardcode_direct, $1)" != no && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" != no && + test "$_LT_TAGVAR(hardcode_minus_L, $1)" != no; then + # Linking always hardcodes the temporary library directory. + _LT_TAGVAR(hardcode_action, $1)=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + _LT_TAGVAR(hardcode_action, $1)=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + _LT_TAGVAR(hardcode_action, $1)=unsupported +fi +AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)]) + +if test "$_LT_TAGVAR(hardcode_action, $1)" = relink || + test "$_LT_TAGVAR(inherit_rpath, $1)" = yes; then + # Fast installation is not supported + enable_fast_install=no +elif test "$shlibpath_overrides_runpath" = yes || + test "$enable_shared" = no; then + # Fast installation is not necessary + enable_fast_install=needless +fi +_LT_TAGDECL([], [hardcode_action], [0], + [How to hardcode a shared library path into an executable]) +])# _LT_LINKER_HARDCODE_LIBPATH + + +# _LT_CMD_STRIPLIB +# ---------------- +m4_defun([_LT_CMD_STRIPLIB], +[m4_require([_LT_DECL_EGREP]) +striplib= +old_striplib= +AC_MSG_CHECKING([whether stripping libraries is possible]) +if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" + test -z "$striplib" && striplib="$STRIP --strip-unneeded" + AC_MSG_RESULT([yes]) +else +# FIXME - insert some real tests, host_os isn't really good enough + case $host_os in + darwin*) + if test -n "$STRIP" ; then + striplib="$STRIP -x" + old_striplib="$STRIP -S" + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi + ;; + *) + AC_MSG_RESULT([no]) + ;; + esac +fi +_LT_DECL([], [old_striplib], [1], [Commands to strip libraries]) +_LT_DECL([], [striplib], [1]) +])# _LT_CMD_STRIPLIB + + +# _LT_SYS_DYNAMIC_LINKER([TAG]) +# ----------------------------- +# PORTME Fill in your ld.so characteristics +m4_defun([_LT_SYS_DYNAMIC_LINKER], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_OBJDUMP])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_CHECK_SHELL_FEATURES])dnl +AC_MSG_CHECKING([dynamic linker characteristics]) +m4_if([$1], + [], [ +if test "$GCC" = yes; then + case $host_os in + darwin*) lt_awk_arg="/^libraries:/,/LR/" ;; + *) lt_awk_arg="/^libraries:/" ;; + esac + case $host_os in + mingw* | cegcc*) lt_sed_strip_eq="s,=\([[A-Za-z]]:\),\1,g" ;; + *) lt_sed_strip_eq="s,=/,/,g" ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` + case $lt_search_path_spec in + *\;*) + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` + ;; + *) + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` + ;; + esac + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary. + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path/$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir" + else + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' +BEGIN {RS=" "; FS="/|\n";} { + lt_foo=""; + lt_count=0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo="/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[[lt_foo]]++; } + if (lt_freq[[lt_foo]] == 1) { print lt_foo; } +}'` + # AWK program above erroneously prepends '/' to C:/dos/paths + # for these hosts. + case $host_os in + mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ + $SED 's,/\([[A-Za-z]]:\),\1,g'` ;; + esac + sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` +else + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" +fi]) +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=".so" +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + +case $host_os in +aix3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='${libname}${release}${shared_ext}$major' + ;; + +aix[[4-9]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test "$host_cpu" = ia64; then + # AIX 5 supports IA64 + library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line `#! .'. This would cause the generated library to + # depend on `.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[[01]] | aix4.[[01]].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # AIX (on Power*) has no versioning support, so currently we can not hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + if test "$aix_use_runtimelinking" = yes; then + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + else + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='${libname}${release}.a $libname.a' + soname_spec='${libname}${release}${shared_ext}$major' + fi + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='${libname}${shared_ext}' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[[45]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=".dll" + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' +m4_if([$1], [],[ + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"]) + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' + library_names_spec='${libname}.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([[a-zA-Z]]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec="$LIB" + if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext} $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext' + soname_spec='${libname}${release}${major}$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' +m4_if([$1], [],[ + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"]) + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[[23]].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[[01]]* | freebsdelf3.[[01]]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \ + freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=yes + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + if test "X$HPUX_IA64_MODE" = X32; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + fi + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[[3-9]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test "$lt_cv_prog_gnu_ld" = yes; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" + sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], + [lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \ + LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\"" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null], + [lt_cv_shlibpath_overrides_runpath=yes])]) + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + ]) + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsdelf*-gnu) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='NetBSD ld.elf_so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd*) + version_type=sunos + sys_lib_dlsearch_path_spec="/usr/lib" + need_lib_prefix=no + # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. + case $host_os in + openbsd3.3 | openbsd3.3.*) need_version=yes ;; + *) need_version=no ;; + esac + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + case $host_os in + openbsd2.[[89]] | openbsd2.[[89]].*) + shlibpath_overrides_runpath=no + ;; + *) + shlibpath_overrides_runpath=yes + ;; + esac + else + shlibpath_overrides_runpath=yes + fi + ;; + +os2*) + libname_spec='$name' + shrext_cmds=".dll" + need_lib_prefix=no + library_names_spec='$libname${shared_ext} $libname.a' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=LIBPATH + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test "$with_gnu_ld" = yes; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec ;then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' + soname_spec='$libname${shared_ext}.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=freebsd-elf + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test "$with_gnu_ld" = yes; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +AC_MSG_RESULT([$dynamic_linker]) +test "$dynamic_linker" = no && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test "$GCC" = yes; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then + sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" +fi +if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then + sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" +fi + +_LT_DECL([], [variables_saved_for_relink], [1], + [Variables whose values should be saved in libtool wrapper scripts and + restored at link time]) +_LT_DECL([], [need_lib_prefix], [0], + [Do we need the "lib" prefix for modules?]) +_LT_DECL([], [need_version], [0], [Do we need a version for libraries?]) +_LT_DECL([], [version_type], [0], [Library versioning type]) +_LT_DECL([], [runpath_var], [0], [Shared library runtime path variable]) +_LT_DECL([], [shlibpath_var], [0],[Shared library path variable]) +_LT_DECL([], [shlibpath_overrides_runpath], [0], + [Is shlibpath searched before the hard-coded library search path?]) +_LT_DECL([], [libname_spec], [1], [Format of library name prefix]) +_LT_DECL([], [library_names_spec], [1], + [[List of archive names. First name is the real one, the rest are links. + The last name is the one that the linker finds with -lNAME]]) +_LT_DECL([], [soname_spec], [1], + [[The coded name of the library, if different from the real name]]) +_LT_DECL([], [install_override_mode], [1], + [Permission mode override for installation of shared libraries]) +_LT_DECL([], [postinstall_cmds], [2], + [Command to use after installation of a shared archive]) +_LT_DECL([], [postuninstall_cmds], [2], + [Command to use after uninstallation of a shared archive]) +_LT_DECL([], [finish_cmds], [2], + [Commands used to finish a libtool library installation in a directory]) +_LT_DECL([], [finish_eval], [1], + [[As "finish_cmds", except a single script fragment to be evaled but + not shown]]) +_LT_DECL([], [hardcode_into_libs], [0], + [Whether we should hardcode library paths into libraries]) +_LT_DECL([], [sys_lib_search_path_spec], [2], + [Compile-time system search path for libraries]) +_LT_DECL([], [sys_lib_dlsearch_path_spec], [2], + [Run-time system search path for libraries]) +])# _LT_SYS_DYNAMIC_LINKER + + +# _LT_PATH_TOOL_PREFIX(TOOL) +# -------------------------- +# find a file program which can recognize shared library +AC_DEFUN([_LT_PATH_TOOL_PREFIX], +[m4_require([_LT_DECL_EGREP])dnl +AC_MSG_CHECKING([for $1]) +AC_CACHE_VAL(lt_cv_path_MAGIC_CMD, +[case $MAGIC_CMD in +[[\\/*] | ?:[\\/]*]) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD="$MAGIC_CMD" + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR +dnl $ac_dummy forces splitting on constant user-supplied paths. +dnl POSIX.2 word splitting is done only on the output of word expansions, +dnl not every word. This closes a longstanding sh security hole. + ac_dummy="m4_if([$2], , $PATH, [$2])" + for ac_dir in $ac_dummy; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/$1; then + lt_cv_path_MAGIC_CMD="$ac_dir/$1" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD="$lt_cv_path_MAGIC_CMD" + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS="$lt_save_ifs" + MAGIC_CMD="$lt_save_MAGIC_CMD" + ;; +esac]) +MAGIC_CMD="$lt_cv_path_MAGIC_CMD" +if test -n "$MAGIC_CMD"; then + AC_MSG_RESULT($MAGIC_CMD) +else + AC_MSG_RESULT(no) +fi +_LT_DECL([], [MAGIC_CMD], [0], + [Used to examine libraries when file_magic_cmd begins with "file"])dnl +])# _LT_PATH_TOOL_PREFIX + +# Old name: +AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], []) + + +# _LT_PATH_MAGIC +# -------------- +# find a file program which can recognize a shared library +m4_defun([_LT_PATH_MAGIC], +[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH) +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH) + else + MAGIC_CMD=: + fi +fi +])# _LT_PATH_MAGIC + + +# LT_PATH_LD +# ---------- +# find the pathname to the GNU or non-GNU linker +AC_DEFUN([LT_PATH_LD], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_PROG_ECHO_BACKSLASH])dnl + +AC_ARG_WITH([gnu-ld], + [AS_HELP_STRING([--with-gnu-ld], + [assume the C compiler uses GNU ld @<:@default=no@:>@])], + [test "$withval" = no || with_gnu_ld=yes], + [with_gnu_ld=no])dnl + +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + AC_MSG_CHECKING([for ld used by $CC]) + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [[\\/]]* | ?:[[\\/]]*) + re_direlt='/[[^/]][[^/]]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + AC_MSG_CHECKING([for GNU ld]) +else + AC_MSG_CHECKING([for non-GNU ld]) +fi +AC_CACHE_VAL(lt_cv_path_LD, +[if test -z "$LD"; then + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &1 /dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + # Keep this pattern in sync with the one in func_win32_libid. + lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc*) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +haiku*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]'] + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[[3-9]]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +esac +]) + +file_magic_glob= +want_nocaseglob=no +if test "$build" = "$host"; then + case $host_os in + mingw* | pw32*) + if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then + want_nocaseglob=yes + else + file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` + fi + ;; + esac +fi + +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + +_LT_DECL([], [deplibs_check_method], [1], + [Method to check whether dependent libraries are shared objects]) +_LT_DECL([], [file_magic_cmd], [1], + [Command to use when deplibs_check_method = "file_magic"]) +_LT_DECL([], [file_magic_glob], [1], + [How to find potential files when deplibs_check_method = "file_magic"]) +_LT_DECL([], [want_nocaseglob], [1], + [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) +])# _LT_CHECK_MAGIC_METHOD + + +# LT_PATH_NM +# ---------- +# find the pathname to a BSD- or MS-compatible name lister +AC_DEFUN([LT_PATH_NM], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, +[if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM="$NM" +else + lt_nm_to_check="${ac_tool_prefix}nm" + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + tmp_nm="$ac_dir/$lt_tmp_nm" + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the `sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in + */dev/null* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS="$lt_save_ifs" + done + : ${lt_cv_path_NM=no} +fi]) +if test "$lt_cv_path_NM" != "no"; then + NM="$lt_cv_path_NM" +else + # Didn't find any BSD compatible name lister, look for dumpbin. + if test -n "$DUMPBIN"; then : + # Let the user override the test. + else + AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :) + case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in + *COFF*) + DUMPBIN="$DUMPBIN -symbols" + ;; + *) + DUMPBIN=: + ;; + esac + fi + AC_SUBST([DUMPBIN]) + if test "$DUMPBIN" != ":"; then + NM="$DUMPBIN" + fi +fi +test -z "$NM" && NM=nm +AC_SUBST([NM]) +_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl + +AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], + [lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD) + cat conftest.out >&AS_MESSAGE_LOG_FD + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest*]) +])# LT_PATH_NM + +# Old names: +AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) +AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_PROG_NM], []) +dnl AC_DEFUN([AC_PROG_NM], []) + +# _LT_CHECK_SHAREDLIB_FROM_LINKLIB +# -------------------------------- +# how to determine the name of the shared library +# associated with a specific link library. +# -- PORTME fill in with the dynamic library characteristics +m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB], +[m4_require([_LT_DECL_EGREP]) +m4_require([_LT_DECL_OBJDUMP]) +m4_require([_LT_DECL_DLLTOOL]) +AC_CACHE_CHECK([how to associate runtime and link libraries], +lt_cv_sharedlib_from_linklib_cmd, +[lt_cv_sharedlib_from_linklib_cmd='unknown' + +case $host_os in +cygwin* | mingw* | pw32* | cegcc*) + # two different shell functions defined in ltmain.sh + # decide which to use based on capabilities of $DLLTOOL + case `$DLLTOOL --help 2>&1` in + *--identify-strict*) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib + ;; + *) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback + ;; + esac + ;; +*) + # fallback: assume linklib IS sharedlib + lt_cv_sharedlib_from_linklib_cmd="$ECHO" + ;; +esac +]) +sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd +test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO + +_LT_DECL([], [sharedlib_from_linklib_cmd], [1], + [Command to associate shared and link libraries]) +])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB + + +# _LT_PATH_MANIFEST_TOOL +# ---------------------- +# locate the manifest tool +m4_defun([_LT_PATH_MANIFEST_TOOL], +[AC_CHECK_TOOL(MANIFEST_TOOL, mt, :) +test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt +AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool], + [lt_cv_path_mainfest_tool=no + echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD + $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out + cat conftest.err >&AS_MESSAGE_LOG_FD + if $GREP 'Manifest Tool' conftest.out > /dev/null; then + lt_cv_path_mainfest_tool=yes + fi + rm -f conftest*]) +if test "x$lt_cv_path_mainfest_tool" != xyes; then + MANIFEST_TOOL=: +fi +_LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl +])# _LT_PATH_MANIFEST_TOOL + + +# LT_LIB_M +# -------- +# check for math library +AC_DEFUN([LT_LIB_M], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +LIBM= +case $host in +*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) + # These system don't have libm, or don't need it + ;; +*-ncr-sysv4.3*) + AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") + AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") + ;; +*) + AC_CHECK_LIB(m, cos, LIBM="-lm") + ;; +esac +AC_SUBST([LIBM]) +])# LT_LIB_M + +# Old name: +AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_CHECK_LIBM], []) + + +# _LT_COMPILER_NO_RTTI([TAGNAME]) +# ------------------------------- +m4_defun([_LT_COMPILER_NO_RTTI], +[m4_require([_LT_TAG_COMPILER])dnl + +_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + +if test "$GCC" = yes; then + case $cc_basename in + nvcc*) + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; + *) + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; + esac + + _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], + lt_cv_prog_compiler_rtti_exceptions, + [-fno-rtti -fno-exceptions], [], + [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) +fi +_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], + [Compiler flag to turn off builtin functions]) +])# _LT_COMPILER_NO_RTTI + + +# _LT_CMD_GLOBAL_SYMBOLS +# ---------------------- +m4_defun([_LT_CMD_GLOBAL_SYMBOLS], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_PROG_AWK])dnl +AC_REQUIRE([LT_PATH_NM])dnl +AC_REQUIRE([LT_PATH_LD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_TAG_COMPILER])dnl + +# Check for command to grab the raw symbol name followed by C symbol from nm. +AC_MSG_CHECKING([command to parse $NM output from $compiler object]) +AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], +[ +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[[BCDEGRST]]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[[BCDT]]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[[ABCDGISTW]]' + ;; +hpux*) + if test "$host_cpu" = ia64; then + symcode='[[ABCDEGRST]]' + fi + ;; +irix* | nonstopux*) + symcode='[[BCDEGRST]]' + ;; +osf*) + symcode='[[BCDEGQRST]]' + ;; +solaris*) + symcode='[[BDRT]]' + ;; +sco3.2v5*) + symcode='[[DT]]' + ;; +sysv4.2uw2*) + symcode='[[DT]]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[[ABDT]]' + ;; +sysv4) + symcode='[[DFNSTU]]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[[ABCDGIRSTW]]' ;; +esac + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p'" +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"lib\2\", (void *) \&\2},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function + # and D for any global variable. + # Also find C++ and __fastcall symbols from MSVC++, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK ['"\ +" {last_section=section; section=\$ 3};"\ +" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ +" {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ +" s[1]~/^[@?]/{print s[1], s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx]" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if AC_TRY_EVAL(ac_compile); then + # Now try to grab the symbols. + nlist=conftest.nm + if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) +/* DATA imports from DLLs on WIN32 con't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT@&t@_DLSYM_CONST +#elif defined(__osf__) +/* This system does not cope well with relocations in const data. */ +# define LT@&t@_DLSYM_CONST +#else +# define LT@&t@_DLSYM_CONST const +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +LT@&t@_DLSYM_CONST struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[[]] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv conftest.$ac_objext conftstm.$ac_objext + lt_globsym_save_LIBS=$LIBS + lt_globsym_save_CFLAGS=$CFLAGS + LIBS="conftstm.$ac_objext" + CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" + if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then + pipe_works=yes + fi + LIBS=$lt_globsym_save_LIBS + CFLAGS=$lt_globsym_save_CFLAGS + else + echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD + fi + else + echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test "$pipe_works" = yes; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done +]) +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + AC_MSG_RESULT(failed) +else + AC_MSG_RESULT(ok) +fi + +# Response file support. +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + nm_file_list_spec='@' +elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then + nm_file_list_spec='@' +fi + +_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], + [Take the output of nm and produce a listing of raw symbols and C names]) +_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], + [Transform the output of nm in a proper C declaration]) +_LT_DECL([global_symbol_to_c_name_address], + [lt_cv_sys_global_symbol_to_c_name_address], [1], + [Transform the output of nm in a C name address pair]) +_LT_DECL([global_symbol_to_c_name_address_lib_prefix], + [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], + [Transform the output of nm in a C name address pair when lib prefix is needed]) +_LT_DECL([], [nm_file_list_spec], [1], + [Specify filename containing input files for $NM]) +]) # _LT_CMD_GLOBAL_SYMBOLS + + +# _LT_COMPILER_PIC([TAGNAME]) +# --------------------------- +m4_defun([_LT_COMPILER_PIC], +[m4_require([_LT_TAG_COMPILER])dnl +_LT_TAGVAR(lt_prog_compiler_wl, $1)= +_LT_TAGVAR(lt_prog_compiler_pic, $1)= +_LT_TAGVAR(lt_prog_compiler_static, $1)= + +m4_if([$1], [CXX], [ + # C++ specific cases for pic, static, wl, etc. + if test "$GXX" = yes; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the `-m68020' flag to GCC prevents building anything better, + # like `-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + *djgpp*) + # DJGPP does not support shared libraries at all + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + _LT_TAGVAR(lt_prog_compiler_static, $1)= + ;; + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + else + case $host_os in + aix[[4-9]]*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + chorus*) + case $cc_basename in + cxch68*) + # Green Hills C++ Compiler + # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" + ;; + esac + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + dgux*) + case $cc_basename in + ec++*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + ghcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + freebsd* | dragonfly*) + # FreeBSD uses GNU C++ + ;; + hpux9* | hpux10* | hpux11*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' + if test "$host_cpu" != ia64; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + fi + ;; + aCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + ;; + *) + ;; + esac + ;; + interix*) + # This is c89, which is MS Visual C++ (no shared libs) + # Anyone wants to do a port? + ;; + irix5* | irix6* | nonstopux*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + # CC pic flag -KPIC is the default. + ;; + *) + ;; + esac + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + KCC*) + # KAI C++ Compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + ecpc* ) + # old Intel C++ for x86_64 which still supported -KPIC. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + icpc* ) + # Intel C++, used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + cxx*) + # Compaq C++ + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) + # IBM XL 8.0, 9.0 on PPC and BlueGene + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + esac + ;; + esac + ;; + lynxos*) + ;; + m88k*) + ;; + mvs*) + case $cc_basename in + cxx*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' + ;; + *) + ;; + esac + ;; + netbsd* | netbsdelf*-gnu) + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + ;; + RCC*) + # Rational C++ 2.4.1 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + cxx*) + # Digital/Compaq C++ + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + *) + ;; + esac + ;; + psos*) + ;; + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + ;; + *) + ;; + esac + ;; + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + lcc*) + # Lucid + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + *) + ;; + esac + ;; + vxworks*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +], +[ + if test "$GCC" = yes; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the `-m68020' flag to GCC prevents building anything better, + # like `-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + _LT_TAGVAR(lt_prog_compiler_static, $1)= + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' + if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" + fi + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + + hpux9* | hpux10* | hpux11*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC (with -KPIC) is the default. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + # old Intel for x86_64 which still supported -KPIC. + ecc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' + _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' + ;; + nagfor*) + # NAG Fortran compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + ccc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All Alpha code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xl* | bgxl* | bgf* | mpixl*) + # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='' + ;; + *Sun\ F* | *Sun*Fortran*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + *Sun\ C*) + # Sun C 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + ;; + *Intel*\ [[CF]]*Compiler*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + *Portland\ Group*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + esac + ;; + + newsos6) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All OSF/1 code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + rdos*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + solaris*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; + *) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; + esac + ;; + + sunos4*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec ;then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + unicos*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + + uts4*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +]) +case $host_os in + # For platforms which do not support PIC, -DPIC is meaningless: + *djgpp*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" + ;; +esac + +AC_CACHE_CHECK([for $compiler option to produce PIC], + [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], + [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) +_LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then + _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], + [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], + [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], + [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in + "" | " "*) ;; + *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; + esac], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no]) +fi +_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1], + [Additional compiler flags for building library objects]) + +_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1], + [How to pass a linker flag through the compiler]) +# +# Check to make sure the static flag actually works. +# +wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\" +_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], + _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1), + $lt_tmp_static_flag, + [], + [_LT_TAGVAR(lt_prog_compiler_static, $1)=]) +_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1], + [Compiler flag to prevent dynamic linking]) +])# _LT_COMPILER_PIC + + +# _LT_LINKER_SHLIBS([TAGNAME]) +# ---------------------------- +# See if the linker supports building shared libraries. +m4_defun([_LT_LINKER_SHLIBS], +[AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +m4_require([_LT_PATH_MANIFEST_TOOL])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) +m4_if([$1], [CXX], [ + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] + case $host_os in + aix[[4-9]]*) + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to AIX nm, but means don't demangle with GNU nm + # Also, AIX nm treats weak defined symbols like other global defined + # symbols, whereas GNU nm marks them as "W". + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + fi + ;; + pw32*) + _LT_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds" + ;; + cygwin* | mingw* | cegcc*) + case $cc_basename in + cl*) + _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + ;; + *) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] + ;; + esac + ;; + linux* | k*bsd*-gnu | gnu*) + _LT_TAGVAR(link_all_deplibs, $1)=unknown + ;; + *) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + ;; + esac +], [ + runpath_var= + _LT_TAGVAR(allow_undefined_flag, $1)= + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(archive_cmds, $1)= + _LT_TAGVAR(archive_expsym_cmds, $1)= + _LT_TAGVAR(compiler_needs_object, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(hardcode_automatic, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(hardcode_libdir_separator, $1)= + _LT_TAGVAR(hardcode_minus_L, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + _LT_TAGVAR(inherit_rpath, $1)=no + _LT_TAGVAR(link_all_deplibs, $1)=unknown + _LT_TAGVAR(module_cmds, $1)= + _LT_TAGVAR(module_expsym_cmds, $1)= + _LT_TAGVAR(old_archive_from_new_cmds, $1)= + _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)= + _LT_TAGVAR(thread_safe_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + _LT_TAGVAR(include_expsyms, $1)= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ` (' and `)$', so one must not match beginning or + # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', + # as well as any symbol that contains `d'. + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. +dnl Note also adjust exclude_expsyms for C++ above. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test "$GCC" != yes; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd*) + with_gnu_ld=no + ;; + linux* | k*bsd*-gnu | gnu*) + _LT_TAGVAR(link_all_deplibs, $1)=unknown + ;; + esac + + _LT_TAGVAR(ld_shlibs, $1)=yes + + # On some targets, GNU ld is compatible enough with the native linker + # that we're better off using the native interface for both. + lt_use_gnu_ld_interface=no + if test "$with_gnu_ld" = yes; then + case $host_os in + aix*) + # The AIX port of GNU ld has always aspired to compatibility + # with the native linker. However, as the warning in the GNU ld + # block says, versions before 2.19.5* couldn't really create working + # shared libraries, regardless of the interface used. + case `$LD -v 2>&1` in + *\ \(GNU\ Binutils\)\ 2.19.5*) ;; + *\ \(GNU\ Binutils\)\ 2.[[2-9]]*) ;; + *\ \(GNU\ Binutils\)\ [[3-9]]*) ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + fi + + if test "$lt_use_gnu_ld_interface" = yes; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='${wl}' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + supports_anon_versioning=no + case `$LD -v 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[[3-9]]*) + # On AIX/PPC, the GNU linker is very broken + if test "$host_cpu" != ia64; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.19, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to install binutils +*** 2.20 or above, or modify your PATH so that a non-GNU linker is found. +*** You will then need to restart the configuration process. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-all-symbols' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file (1st line + # is EXPORTS), use it as is; otherwise, prepend... + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + haiku*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test "$host_os" = linux-dietlibc; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test "$tmp_diet" = no + then + tmp_addflag=' $pic_flag' + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group f77 and f90 compilers + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + _LT_TAGVAR(whole_archive_flag_spec, $1)= + tmp_sharedflag='--shared' ;; + xl[[cC]]* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + nvcc*) # Cuda Compiler Driver 2.2 + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + + if test "x$supports_anon_versioning" = xyes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*) + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + sunos4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + + if test "$_LT_TAGVAR(ld_shlibs, $1)" = no; then + runpath_var= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + _LT_TAGVAR(hardcode_direct, $1)=unsupported + fi + ;; + + aix[[4-9]]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag="" + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to AIX nm, but means don't demangle with GNU nm + # Also, AIX nm treats weak defined symbols like other global + # defined symbols, whereas GNU nm marks them as "W". + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then + aix_use_runtimelinking=yes + break + fi + done + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='${wl}-f,' + + if test "$GCC" = yes; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + ;; + esac + shared_flag='-shared' + if test "$aix_use_runtimelinking" = yes; then + shared_flag="$shared_flag "'${wl}-G' + fi + _LT_TAGVAR(link_all_deplibs, $1)=unknown + else + # not using gcc + if test "$host_cpu" = ia64; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test "$aix_use_runtimelinking" = yes; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(allow_undefined_flag, $1)='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" + else + if test "$host_cpu" = ia64; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok' + if test "$with_gnu_ld" = yes; then + # We only use this code for GNU lds that support --whole-archive. + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + # This is similar to how AIX traditionally builds its shared libraries. + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + bsdi[[45]]*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + case $cc_basename in + cl*) + # Native MSVC + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; + else + sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib' + _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile="$lt_outputfile.exe" + lt_tool_outputfile="$lt_tool_outputfile.exe" + ;; + esac~ + if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # Assume MSVC wrapper + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + # FIXME: Should let the user specify the lib program. + _LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + ;; + esac + ;; + + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + dgux*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2.*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + hpux9*) + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + ;; + + hpux10*) + if test "$GCC" = yes && test "$with_gnu_ld" = no; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test "$with_gnu_ld" = no; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + fi + ;; + + hpux11*) + if test "$GCC" = yes && test "$with_gnu_ld" = no; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + m4_if($1, [], [ + # Older versions of the 11.00 compiler do not understand -b yet + # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) + _LT_LINKER_OPTION([if $CC understands -b], + _LT_TAGVAR(lt_cv_prog_compiler__b, $1), [-b], + [_LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'], + [_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'])], + [_LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags']) + ;; + esac + fi + if test "$with_gnu_ld" = no; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + # This should be the same for all languages, so no per-tag cache variable. + AC_CACHE_CHECK([whether the $host_os linker accepts -exported_symbol], + [lt_cv_irix_exported_symbol], + [save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" + AC_LINK_IFELSE( + [AC_LANG_SOURCE( + [AC_LANG_CASE([C], [[int foo (void) { return 0; }]], + [C++], [[int foo (void) { return 0; }]], + [Fortran 77], [[ + subroutine foo + end]], + [Fortran], [[ + subroutine foo + end]])])], + [lt_cv_irix_exported_symbol=yes], + [lt_cv_irix_exported_symbol=no]) + LDFLAGS="$save_LDFLAGS"]) + if test "$lt_cv_irix_exported_symbol" = yes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib' + fi + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + _LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + newsos6) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *nto* | *qnx*) + ;; + + openbsd*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + else + case $host_os in + openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + ;; + esac + fi + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + os2*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' + _LT_TAGVAR(old_archive_from_new_cmds, $1)='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' + ;; + + osf3*) + if test "$GCC" = yes; then + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test "$GCC" = yes; then + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + solaris*) + _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' + if test "$GCC" = yes; then + wlarc='${wl}' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + _LT_TAGVAR(archive_cmds, $1)='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='${wl}' + _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands `-z linker_flag'. GCC discards it without `$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test "$GCC" = yes; then + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + fi + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + sunos4*) + if test "x$host_vendor" = xsequent; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4) + case $host_vendor in + sni) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' + _LT_TAGVAR(hardcode_direct, $1)=no + ;; + motorola) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4.3*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + _LT_TAGVAR(ld_shlibs, $1)=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We can NOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport' + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + if test x$host_vendor = xsni; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Blargedynsym' + ;; + esac + fi + fi +]) +AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) +test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no + +_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld + +_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl +_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl +_LT_DECL([], [extract_expsyms_cmds], [2], + [The commands to extract the exported symbol list from a shared archive]) + +# +# Do we need to explicitly link libc? +# +case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in +x|xyes) + # Assume -lc should be added + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + + if test "$enable_shared" = yes && test "$GCC" = yes; then + case $_LT_TAGVAR(archive_cmds, $1) in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + AC_CACHE_CHECK([whether -lc should be explicitly linked in], + [lt_cv_]_LT_TAGVAR(archive_cmds_need_lc, $1), + [$RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if AC_TRY_EVAL(ac_compile) 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) + pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1) + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1) + _LT_TAGVAR(allow_undefined_flag, $1)= + if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) + then + lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=no + else + lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=yes + fi + _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + ]) + _LT_TAGVAR(archive_cmds_need_lc, $1)=$lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1) + ;; + esac + fi + ;; +esac + +_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0], + [Whether or not to add -lc for building shared libraries]) +_LT_TAGDECL([allow_libtool_libs_with_static_runtimes], + [enable_shared_with_static_runtimes], [0], + [Whether or not to disallow shared libs when runtime libs are static]) +_LT_TAGDECL([], [export_dynamic_flag_spec], [1], + [Compiler flag to allow reflexive dlopens]) +_LT_TAGDECL([], [whole_archive_flag_spec], [1], + [Compiler flag to generate shared objects directly from archives]) +_LT_TAGDECL([], [compiler_needs_object], [1], + [Whether the compiler copes with passing no objects directly]) +_LT_TAGDECL([], [old_archive_from_new_cmds], [2], + [Create an old-style archive from a shared archive]) +_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2], + [Create a temporary old-style archive to link instead of a shared archive]) +_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive]) +_LT_TAGDECL([], [archive_expsym_cmds], [2]) +_LT_TAGDECL([], [module_cmds], [2], + [Commands used to build a loadable module if different from building + a shared archive.]) +_LT_TAGDECL([], [module_expsym_cmds], [2]) +_LT_TAGDECL([], [with_gnu_ld], [1], + [Whether we are building with GNU ld or not]) +_LT_TAGDECL([], [allow_undefined_flag], [1], + [Flag that allows shared libraries with undefined symbols to be built]) +_LT_TAGDECL([], [no_undefined_flag], [1], + [Flag that enforces no undefined symbols]) +_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1], + [Flag to hardcode $libdir into a binary during linking. + This must work even if $libdir does not exist]) +_LT_TAGDECL([], [hardcode_libdir_separator], [1], + [Whether we need a single "-rpath" flag with a separated argument]) +_LT_TAGDECL([], [hardcode_direct], [0], + [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes + DIR into the resulting binary]) +_LT_TAGDECL([], [hardcode_direct_absolute], [0], + [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes + DIR into the resulting binary and the resulting library dependency is + "absolute", i.e impossible to change by setting ${shlibpath_var} if the + library is relocated]) +_LT_TAGDECL([], [hardcode_minus_L], [0], + [Set to "yes" if using the -LDIR flag during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_shlibpath_var], [0], + [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_automatic], [0], + [Set to "yes" if building a shared library automatically hardcodes DIR + into the library and all subsequent libraries and executables linked + against it]) +_LT_TAGDECL([], [inherit_rpath], [0], + [Set to yes if linker adds runtime paths of dependent libraries + to runtime path list]) +_LT_TAGDECL([], [link_all_deplibs], [0], + [Whether libtool must link a program against all its dependency libraries]) +_LT_TAGDECL([], [always_export_symbols], [0], + [Set to "yes" if exported symbols are required]) +_LT_TAGDECL([], [export_symbols_cmds], [2], + [The commands to list exported symbols]) +_LT_TAGDECL([], [exclude_expsyms], [1], + [Symbols that should not be listed in the preloaded symbols]) +_LT_TAGDECL([], [include_expsyms], [1], + [Symbols that must always be exported]) +_LT_TAGDECL([], [prelink_cmds], [2], + [Commands necessary for linking programs (against libraries) with templates]) +_LT_TAGDECL([], [postlink_cmds], [2], + [Commands necessary for finishing linking programs]) +_LT_TAGDECL([], [file_list_spec], [1], + [Specify filename containing input files]) +dnl FIXME: Not yet implemented +dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1], +dnl [Compiler flag to generate thread safe objects]) +])# _LT_LINKER_SHLIBS + + +# _LT_LANG_C_CONFIG([TAG]) +# ------------------------ +# Ensure that the configuration variables for a C compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to `libtool'. +m4_defun([_LT_LANG_C_CONFIG], +[m4_require([_LT_DECL_EGREP])dnl +lt_save_CC="$CC" +AC_LANG_PUSH(C) + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + +_LT_TAG_COMPILER +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + LT_SYS_DLOPEN_SELF + _LT_CMD_STRIPLIB + + # Report which library types will actually be built + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[[4-9]]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_CONFIG($1) +fi +AC_LANG_POP +CC="$lt_save_CC" +])# _LT_LANG_C_CONFIG + + +# _LT_LANG_CXX_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a C++ compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to `libtool'. +m4_defun([_LT_LANG_CXX_CONFIG], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_PATH_MANIFEST_TOOL])dnl +if test -n "$CXX" && ( test "X$CXX" != "Xno" && + ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) || + (test "X$CXX" != "Xg++"))) ; then + AC_PROG_CXXCPP +else + _lt_caught_CXX_error=yes +fi + +AC_LANG_PUSH(C++) +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(compiler_needs_object, $1)=no +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for C++ test sources. +ac_ext=cpp + +# Object file extension for compiled C++ test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the CXX compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_caught_CXX_error" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="int some_variable = 0;" + + # Code to be used in simple link tests + lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }' + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_CFLAGS=$CFLAGS + lt_save_LD=$LD + lt_save_GCC=$GCC + GCC=$GXX + lt_save_with_gnu_ld=$with_gnu_ld + lt_save_path_LD=$lt_cv_path_LD + if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then + lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx + else + $as_unset lt_cv_prog_gnu_ld + fi + if test -n "${lt_cv_path_LDCXX+set}"; then + lt_cv_path_LD=$lt_cv_path_LDCXX + else + $as_unset lt_cv_path_LD + fi + test -z "${LDCXX+set}" || LD=$LDCXX + CC=${CXX-"c++"} + CFLAGS=$CXXFLAGS + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + # We don't want -fno-exception when compiling C++ code, so set the + # no_builtin_flag separately + if test "$GXX" = yes; then + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' + else + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + fi + + if test "$GXX" = yes; then + # Set up default GNU C++ configuration + + LT_PATH_LD + + # Check if GNU C++ uses GNU ld as the underlying linker, since the + # archiving commands below assume that GNU ld is being used. + if test "$with_gnu_ld" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + + # If archive_cmds runs LD, not CC, wlarc should be empty + # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to + # investigate it a little bit more. (MM) + wlarc='${wl}' + + # ancient GNU ld didn't support --whole-archive et. al. + if eval "`$CC -print-prog-name=ld` --help 2>&1" | + $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + with_gnu_ld=no + wlarc= + + # A generic and very simple default shared library creation + # command for GNU C++ for the case where it uses the native + # linker, instead of GNU ld. If possible, this setting should + # overridden to take advantage of the native linker features on + # the platform it is being used on. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + fi + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + GXX=no + with_gnu_ld=no + wlarc= + fi + + # PORTME: fill in a description of your system's C++ link characteristics + AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) + _LT_TAGVAR(ld_shlibs, $1)=yes + case $host_os in + aix3*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aix[[4-9]]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag="" + else + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + case $ld_flag in + *-brtl*) + aix_use_runtimelinking=yes + break + ;; + esac + done + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='${wl}-f,' + + if test "$GXX" = yes; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + esac + shared_flag='-shared' + if test "$aix_use_runtimelinking" = yes; then + shared_flag="$shared_flag "'${wl}-G' + fi + else + # not using gcc + if test "$host_cpu" = ia64; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to + # export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test "$aix_use_runtimelinking" = yes; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(allow_undefined_flag, $1)='-berok' + # Determine the default libpath from the value encoded in an empty + # executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" + else + if test "$host_cpu" = ia64; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok' + if test "$with_gnu_ld" = yes; then + # We only use this code for GNU lds that support --whole-archive. + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + # This is similar to how AIX traditionally builds its shared + # libraries. + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' + fi + fi + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + chorus*) + case $cc_basename in + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + cygwin* | mingw* | pw32* | cegcc*) + case $GXX,$cc_basename in + ,cl* | no,cl*) + # Native MSVC + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + $SED -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; + else + $SED -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + # Don't use ranlib + _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib' + _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile="$lt_outputfile.exe" + lt_tool_outputfile="$lt_tool_outputfile.exe" + ;; + esac~ + func_to_tool_file "$lt_outputfile"~ + if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # g++ + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-all-symbols' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file (1st line + # is EXPORTS), use it as is; otherwise, prepend... + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + dgux*) + case $cc_basename in + ec++*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + ghcx*) + # Green Hills C++ Compiler + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + freebsd2.*) + # C++ shared libraries reported to be fairly broken before + # switch to ELF + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + freebsd-elf*) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + ;; + + freebsd* | dragonfly*) + # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF + # conventions + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + haiku*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + hpux9*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + hpux10*|hpux11*) + if test $with_gnu_ld = no; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + ;; + *) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + ;; + esac + fi + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + ;; + esac + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes; then + if test $with_gnu_ld = no; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + fi + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + irix5* | irix6*) + case $cc_basename in + CC*) + # SGI C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + + # Archives containing C++ object files must be created using + # "CC -ar", where "CC" is the IRIX C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs' + ;; + *) + if test "$GXX" = yes; then + if test "$with_gnu_ld" = no; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` -o $lib' + fi + fi + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + esac + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + + # Archives containing C++ object files must be created using + # "CC -Bstatic", where "CC" is the KAI C++ compiler. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' + ;; + icpc* | ecpc* ) + # Intel C++ + with_gnu_ld=yes + # version 8.0 and above of icpc choke on multiply defined symbols + # if we add $predep_objects and $postdep_objects, however 7.1 and + # earlier do not add the objects themselves. + case `$CC -V 2>&1` in + *"Version 7."*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + ;; + *) # Version 8.0 or newer + tmp_idyn= + case $host_cpu in + ia64*) tmp_idyn=' -i_dynamic';; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + ;; + esac + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + case `$CC -V` in + *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*) + _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ + compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' + _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ + $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ + $RANLIB $oldlib' + _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' + ;; + *) # Version 6 and above use weak symbols + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + ;; + cxx*) + # Compaq C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' + + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' + ;; + xl* | mpixl* | bgxl*) + # IBM XL 8.0 on PPC, with GNU ld + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + + # Not sure whether something based on + # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 + # would be better. + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + esac + ;; + esac + ;; + + lynxos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + m88k*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + mvs*) + case $cc_basename in + cxx*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + fi + # Workaround some broken pre-1.5 toolchains + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"' + ;; + + *nto* | *qnx*) + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + openbsd2*) + # C++ shared libraries are fairly broken + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + openbsd*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + fi + output_verbose_link_cmd=func_echo_all + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Archives containing C++ object files must be created using + # the KAI C++ compiler. + case $host in + osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; + *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;; + esac + ;; + RCC*) + # Rational C++ 2.4.1 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + cxx*) + case $host in + osf3*) + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && func_echo_all "${wl}-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + ;; + *) + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ + echo "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~ + $RM $lib.exp' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes && test "$with_gnu_ld" = no; then + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + case $host in + osf3*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + psos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + lcc*) + # Lucid + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(archive_cmds_need_lc,$1)=yes + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands `-z linker_flag'. + # Supported since Solaris 2.6 (maybe 2.5.1?) + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + + # The C++ compiler must be used to create the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs' + ;; + *) + # GNU C++ compiler with Solaris linker + if test "$GXX" = yes && test "$with_gnu_ld" = no; then + _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-z ${wl}defs' + if $CC --version | $GREP -v '^2\.7' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + else + # g++ 2.7 appears to require `-G' NOT `-shared' on this + # platform. + _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + fi + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $wl$libdir' + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + ;; + esac + fi + ;; + esac + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We can NOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport' + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(old_archive_cmds, $1)='$CC -Tprelink_objects $oldobjs~ + '"$_LT_TAGVAR(old_archive_cmds, $1)" + _LT_TAGVAR(reload_cmds, $1)='$CC -Tprelink_objects $reload_objs~ + '"$_LT_TAGVAR(reload_cmds, $1)" + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + vxworks*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) + test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no + + _LT_TAGVAR(GCC, $1)="$GXX" + _LT_TAGVAR(LD, $1)="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS + LDCXX=$LD + LD=$lt_save_LD + GCC=$lt_save_GCC + with_gnu_ld=$lt_save_with_gnu_ld + lt_cv_path_LDCXX=$lt_cv_path_LD + lt_cv_path_LD=$lt_save_path_LD + lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld + lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld +fi # test "$_lt_caught_CXX_error" != yes + +AC_LANG_POP +])# _LT_LANG_CXX_CONFIG + + +# _LT_FUNC_STRIPNAME_CNF +# ---------------------- +# func_stripname_cnf prefix suffix name +# strip PREFIX and SUFFIX off of NAME. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +# +# This function is identical to the (non-XSI) version of func_stripname, +# except this one can be used by m4 code that may be executed by configure, +# rather than the libtool script. +m4_defun([_LT_FUNC_STRIPNAME_CNF],[dnl +AC_REQUIRE([_LT_DECL_SED]) +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH]) +func_stripname_cnf () +{ + case ${2} in + .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;; + *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;; + esac +} # func_stripname_cnf +])# _LT_FUNC_STRIPNAME_CNF + +# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME]) +# --------------------------------- +# Figure out "hidden" library dependencies from verbose +# compiler output when linking a shared library. +# Parse the compiler output and extract the necessary +# objects, libraries and library flags. +m4_defun([_LT_SYS_HIDDEN_LIBDEPS], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +AC_REQUIRE([_LT_FUNC_STRIPNAME_CNF])dnl +# Dependencies to place before and after the object being linked: +_LT_TAGVAR(predep_objects, $1)= +_LT_TAGVAR(postdep_objects, $1)= +_LT_TAGVAR(predeps, $1)= +_LT_TAGVAR(postdeps, $1)= +_LT_TAGVAR(compiler_lib_search_path, $1)= + +dnl we can't use the lt_simple_compile_test_code here, +dnl because it contains code intended for an executable, +dnl not a library. It's possible we should let each +dnl tag define a new lt_????_link_test_code variable, +dnl but it's only used here... +m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF +int a; +void foo (void) { a = 0; } +_LT_EOF +], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF +class Foo +{ +public: + Foo (void) { a = 0; } +private: + int a; +}; +_LT_EOF +], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer*4 a + a=0 + return + end +_LT_EOF +], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer a + a=0 + return + end +_LT_EOF +], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF +public class foo { + private int a; + public void bar (void) { + a = 0; + } +}; +_LT_EOF +], [$1], [GO], [cat > conftest.$ac_ext <<_LT_EOF +package foo +func foo() { +} +_LT_EOF +]) + +_lt_libdeps_save_CFLAGS=$CFLAGS +case "$CC $CFLAGS " in #( +*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;; +*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;; +*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;; +esac + +dnl Parse the compiler output and extract the necessary +dnl objects, libraries and library flags. +if AC_TRY_EVAL(ac_compile); then + # Parse the compiler output and extract the necessary + # objects, libraries and library flags. + + # Sentinel used to keep track of whether or not we are before + # the conftest object file. + pre_test_object_deps_done=no + + for p in `eval "$output_verbose_link_cmd"`; do + case ${prev}${p} in + + -L* | -R* | -l*) + # Some compilers place space between "-{L,R}" and the path. + # Remove the space. + if test $p = "-L" || + test $p = "-R"; then + prev=$p + continue + fi + + # Expand the sysroot to ease extracting the directories later. + if test -z "$prev"; then + case $p in + -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;; + -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;; + -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;; + esac + fi + case $p in + =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;; + esac + if test "$pre_test_object_deps_done" = no; then + case ${prev} in + -L | -R) + # Internal compiler library paths should come after those + # provided the user. The postdeps already come after the + # user supplied libs so there is no need to process them. + if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then + _LT_TAGVAR(compiler_lib_search_path, $1)="${prev}${p}" + else + _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} ${prev}${p}" + fi + ;; + # The "-l" case would never come before the object being + # linked, so don't bother handling this case. + esac + else + if test -z "$_LT_TAGVAR(postdeps, $1)"; then + _LT_TAGVAR(postdeps, $1)="${prev}${p}" + else + _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} ${prev}${p}" + fi + fi + prev= + ;; + + *.lto.$objext) ;; # Ignore GCC LTO objects + *.$objext) + # This assumes that the test object file only shows up + # once in the compiler output. + if test "$p" = "conftest.$objext"; then + pre_test_object_deps_done=yes + continue + fi + + if test "$pre_test_object_deps_done" = no; then + if test -z "$_LT_TAGVAR(predep_objects, $1)"; then + _LT_TAGVAR(predep_objects, $1)="$p" + else + _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p" + fi + else + if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then + _LT_TAGVAR(postdep_objects, $1)="$p" + else + _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p" + fi + fi + ;; + + *) ;; # Ignore the rest. + + esac + done + + # Clean up. + rm -f a.out a.exe +else + echo "libtool.m4: error: problem compiling $1 test program" +fi + +$RM -f confest.$objext +CFLAGS=$_lt_libdeps_save_CFLAGS + +# PORTME: override above test on systems where it is broken +m4_if([$1], [CXX], +[case $host_os in +interix[[3-9]]*) + # Interix 3.5 installs completely hosed .la files for C++, so rather than + # hack all around it, let's just trust "g++" to DTRT. + _LT_TAGVAR(predep_objects,$1)= + _LT_TAGVAR(postdep_objects,$1)= + _LT_TAGVAR(postdeps,$1)= + ;; + +linux*) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + + # The more standards-conforming stlport4 library is + # incompatible with the Cstd library. Avoid specifying + # it if it's in CXXFLAGS. Ignore libCrun as + # -library=stlport4 depends on it. + case " $CXX $CXXFLAGS " in + *" -library=stlport4 "*) + solaris_use_stlport4=yes + ;; + esac + + if test "$solaris_use_stlport4" != yes; then + _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun' + fi + ;; + esac + ;; + +solaris*) + case $cc_basename in + CC* | sunCC*) + # The more standards-conforming stlport4 library is + # incompatible with the Cstd library. Avoid specifying + # it if it's in CXXFLAGS. Ignore libCrun as + # -library=stlport4 depends on it. + case " $CXX $CXXFLAGS " in + *" -library=stlport4 "*) + solaris_use_stlport4=yes + ;; + esac + + # Adding this requires a known-good setup of shared libraries for + # Sun compiler versions before 5.6, else PIC objects from an old + # archive will be linked into the output, leading to subtle bugs. + if test "$solaris_use_stlport4" != yes; then + _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun' + fi + ;; + esac + ;; +esac +]) + +case " $_LT_TAGVAR(postdeps, $1) " in +*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;; +esac + _LT_TAGVAR(compiler_lib_search_dirs, $1)= +if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then + _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | ${SED} -e 's! -L! !g' -e 's!^ !!'` +fi +_LT_TAGDECL([], [compiler_lib_search_dirs], [1], + [The directories searched by this compiler when creating a shared library]) +_LT_TAGDECL([], [predep_objects], [1], + [Dependencies to place before and after the objects being linked to + create a shared library]) +_LT_TAGDECL([], [postdep_objects], [1]) +_LT_TAGDECL([], [predeps], [1]) +_LT_TAGDECL([], [postdeps], [1]) +_LT_TAGDECL([], [compiler_lib_search_path], [1], + [The library search path used internally by the compiler when linking + a shared library]) +])# _LT_SYS_HIDDEN_LIBDEPS + + +# _LT_LANG_F77_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a Fortran 77 compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_F77_CONFIG], +[AC_LANG_PUSH(Fortran 77) +if test -z "$F77" || test "X$F77" = "Xno"; then + _lt_disable_F77=yes +fi + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for f77 test sources. +ac_ext=f + +# Object file extension for compiled f77 test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the F77 compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_disable_F77" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC="$CC" + lt_save_GCC=$GCC + lt_save_CFLAGS=$CFLAGS + CC=${F77-"f77"} + CFLAGS=$FFLAGS + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + GCC=$G77 + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)="$G77" + _LT_TAGVAR(LD, $1)="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC="$lt_save_CC" + CFLAGS="$lt_save_CFLAGS" +fi # test "$_lt_disable_F77" != yes + +AC_LANG_POP +])# _LT_LANG_F77_CONFIG + + +# _LT_LANG_FC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for a Fortran compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_FC_CONFIG], +[AC_LANG_PUSH(Fortran) + +if test -z "$FC" || test "X$FC" = "Xno"; then + _lt_disable_FC=yes +fi + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for fc test sources. +ac_ext=${ac_fc_srcext-f} + +# Object file extension for compiled fc test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the FC compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_disable_FC" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC="$CC" + lt_save_GCC=$GCC + lt_save_CFLAGS=$CFLAGS + CC=${FC-"f95"} + CFLAGS=$FCFLAGS + compiler=$CC + GCC=$ac_cv_fc_compiler_gnu + + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)="$ac_cv_fc_compiler_gnu" + _LT_TAGVAR(LD, $1)="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS +fi # test "$_lt_disable_FC" != yes + +AC_LANG_POP +])# _LT_LANG_FC_CONFIG + + +# _LT_LANG_GCJ_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for the GNU Java Compiler compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_GCJ_CONFIG], +[AC_REQUIRE([LT_PROG_GCJ])dnl +AC_LANG_SAVE + +# Source file extension for Java test sources. +ac_ext=java + +# Object file extension for compiled Java test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="class foo {}" + +# Code to be used in simple link tests +lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }' + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC=yes +CC=${GCJ-"gcj"} +CFLAGS=$GCJFLAGS +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_TAGVAR(LD, $1)="$LD" +_LT_CC_BASENAME([$compiler]) + +# GCJ did not exist at the time GCC didn't implicitly link libc in. +_LT_TAGVAR(archive_cmds_need_lc, $1)=no + +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) +fi + +AC_LANG_RESTORE + +GCC=$lt_save_GCC +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_GCJ_CONFIG + + +# _LT_LANG_GO_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for the GNU Go compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_GO_CONFIG], +[AC_REQUIRE([LT_PROG_GO])dnl +AC_LANG_SAVE + +# Source file extension for Go test sources. +ac_ext=go + +# Object file extension for compiled Go test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="package main; func main() { }" + +# Code to be used in simple link tests +lt_simple_link_test_code='package main; func main() { }' + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC=yes +CC=${GOC-"gccgo"} +CFLAGS=$GOFLAGS +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_TAGVAR(LD, $1)="$LD" +_LT_CC_BASENAME([$compiler]) + +# Go did not exist at the time GCC didn't implicitly link libc in. +_LT_TAGVAR(archive_cmds_need_lc, $1)=no + +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) +fi + +AC_LANG_RESTORE + +GCC=$lt_save_GCC +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_GO_CONFIG + + +# _LT_LANG_RC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for the Windows resource compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_RC_CONFIG], +[AC_REQUIRE([LT_PROG_RC])dnl +AC_LANG_SAVE + +# Source file extension for RC test sources. +ac_ext=rc + +# Object file extension for compiled RC test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }' + +# Code to be used in simple link tests +lt_simple_link_test_code="$lt_simple_compile_test_code" + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC="$CC" +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC= +CC=${RC-"windres"} +CFLAGS= +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_CC_BASENAME([$compiler]) +_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + +if test -n "$compiler"; then + : + _LT_CONFIG($1) +fi + +GCC=$lt_save_GCC +AC_LANG_RESTORE +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_RC_CONFIG + + +# LT_PROG_GCJ +# ----------- +AC_DEFUN([LT_PROG_GCJ], +[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ], + [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ], + [AC_CHECK_TOOL(GCJ, gcj,) + test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2" + AC_SUBST(GCJFLAGS)])])[]dnl +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_GCJ], []) + + +# LT_PROG_GO +# ---------- +AC_DEFUN([LT_PROG_GO], +[AC_CHECK_TOOL(GOC, gccgo,) +]) + + +# LT_PROG_RC +# ---------- +AC_DEFUN([LT_PROG_RC], +[AC_CHECK_TOOL(RC, windres,) +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_RC], []) + + +# _LT_DECL_EGREP +# -------------- +# If we don't have a new enough Autoconf to choose the best grep +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_EGREP], +[AC_REQUIRE([AC_PROG_EGREP])dnl +AC_REQUIRE([AC_PROG_FGREP])dnl +test -z "$GREP" && GREP=grep +_LT_DECL([], [GREP], [1], [A grep program that handles long lines]) +_LT_DECL([], [EGREP], [1], [An ERE matcher]) +_LT_DECL([], [FGREP], [1], [A literal string matcher]) +dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too +AC_SUBST([GREP]) +]) + + +# _LT_DECL_OBJDUMP +# -------------- +# If we don't have a new enough Autoconf to choose the best objdump +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_OBJDUMP], +[AC_CHECK_TOOL(OBJDUMP, objdump, false) +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [1], [An object symbol dumper]) +AC_SUBST([OBJDUMP]) +]) + +# _LT_DECL_DLLTOOL +# ---------------- +# Ensure DLLTOOL variable is set. +m4_defun([_LT_DECL_DLLTOOL], +[AC_CHECK_TOOL(DLLTOOL, dlltool, false) +test -z "$DLLTOOL" && DLLTOOL=dlltool +_LT_DECL([], [DLLTOOL], [1], [DLL creation program]) +AC_SUBST([DLLTOOL]) +]) + +# _LT_DECL_SED +# ------------ +# Check for a fully-functional sed program, that truncates +# as few characters as possible. Prefer GNU sed if found. +m4_defun([_LT_DECL_SED], +[AC_PROG_SED +test -z "$SED" && SED=sed +Xsed="$SED -e 1s/^X//" +_LT_DECL([], [SED], [1], [A sed program that does not truncate output]) +_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"], + [Sed that helps us avoid accidentally triggering echo(1) options like -n]) +])# _LT_DECL_SED + +m4_ifndef([AC_PROG_SED], [ +############################################################ +# NOTE: This macro has been submitted for inclusion into # +# GNU Autoconf as AC_PROG_SED. When it is available in # +# a released version of Autoconf we should remove this # +# macro and use it instead. # +############################################################ + +m4_defun([AC_PROG_SED], +[AC_MSG_CHECKING([for a sed that does not truncate output]) +AC_CACHE_VAL(lt_cv_path_SED, +[# Loop through the user's path and test for sed and gsed. +# Then use that list of sed's as ones to test for truncation. +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for lt_ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then + lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext" + fi + done + done +done +IFS=$as_save_IFS +lt_ac_max=0 +lt_ac_count=0 +# Add /usr/xpg4/bin/sed as it is typically found on Solaris +# along with /bin/sed that truncates output. +for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do + test ! -f $lt_ac_sed && continue + cat /dev/null > conftest.in + lt_ac_count=0 + echo $ECHO_N "0123456789$ECHO_C" >conftest.in + # Check for GNU sed and select it if it is found. + if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then + lt_cv_path_SED=$lt_ac_sed + break + fi + while true; do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo >>conftest.nl + $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break + cmp -s conftest.out conftest.nl || break + # 10000 chars as input seems more than enough + test $lt_ac_count -gt 10 && break + lt_ac_count=`expr $lt_ac_count + 1` + if test $lt_ac_count -gt $lt_ac_max; then + lt_ac_max=$lt_ac_count + lt_cv_path_SED=$lt_ac_sed + fi + done +done +]) +SED=$lt_cv_path_SED +AC_SUBST([SED]) +AC_MSG_RESULT([$SED]) +])#AC_PROG_SED +])#m4_ifndef + +# Old name: +AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_SED], []) + + +# _LT_CHECK_SHELL_FEATURES +# ------------------------ +# Find out whether the shell is Bourne or XSI compatible, +# or has some other useful features. +m4_defun([_LT_CHECK_SHELL_FEATURES], +[AC_MSG_CHECKING([whether the shell understands some XSI constructs]) +# Try some XSI features +xsi_shell=no +( _lt_dummy="a/b/c" + test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \ + = c,a/b,b/c, \ + && eval 'test $(( 1 + 1 )) -eq 2 \ + && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \ + && xsi_shell=yes +AC_MSG_RESULT([$xsi_shell]) +_LT_CONFIG_LIBTOOL_INIT([xsi_shell='$xsi_shell']) + +AC_MSG_CHECKING([whether the shell understands "+="]) +lt_shell_append=no +( foo=bar; set foo baz; eval "$[1]+=\$[2]" && test "$foo" = barbaz ) \ + >/dev/null 2>&1 \ + && lt_shell_append=yes +AC_MSG_RESULT([$lt_shell_append]) +_LT_CONFIG_LIBTOOL_INIT([lt_shell_append='$lt_shell_append']) + +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi +_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac +_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl +_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl +])# _LT_CHECK_SHELL_FEATURES + + +# _LT_PROG_FUNCTION_REPLACE (FUNCNAME, REPLACEMENT-BODY) +# ------------------------------------------------------ +# In `$cfgfile', look for function FUNCNAME delimited by `^FUNCNAME ()$' and +# '^} FUNCNAME ', and replace its body with REPLACEMENT-BODY. +m4_defun([_LT_PROG_FUNCTION_REPLACE], +[dnl { +sed -e '/^$1 ()$/,/^} # $1 /c\ +$1 ()\ +{\ +m4_bpatsubsts([$2], [$], [\\], [^\([ ]\)], [\\\1]) +} # Extended-shell $1 implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: +]) + + +# _LT_PROG_REPLACE_SHELLFNS +# ------------------------- +# Replace existing portable implementations of several shell functions with +# equivalent extended shell implementations where those features are available.. +m4_defun([_LT_PROG_REPLACE_SHELLFNS], +[if test x"$xsi_shell" = xyes; then + _LT_PROG_FUNCTION_REPLACE([func_dirname], [dnl + case ${1} in + */*) func_dirname_result="${1%/*}${2}" ;; + * ) func_dirname_result="${3}" ;; + esac]) + + _LT_PROG_FUNCTION_REPLACE([func_basename], [dnl + func_basename_result="${1##*/}"]) + + _LT_PROG_FUNCTION_REPLACE([func_dirname_and_basename], [dnl + case ${1} in + */*) func_dirname_result="${1%/*}${2}" ;; + * ) func_dirname_result="${3}" ;; + esac + func_basename_result="${1##*/}"]) + + _LT_PROG_FUNCTION_REPLACE([func_stripname], [dnl + # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are + # positional parameters, so assign one to ordinary parameter first. + func_stripname_result=${3} + func_stripname_result=${func_stripname_result#"${1}"} + func_stripname_result=${func_stripname_result%"${2}"}]) + + _LT_PROG_FUNCTION_REPLACE([func_split_long_opt], [dnl + func_split_long_opt_name=${1%%=*} + func_split_long_opt_arg=${1#*=}]) + + _LT_PROG_FUNCTION_REPLACE([func_split_short_opt], [dnl + func_split_short_opt_arg=${1#??} + func_split_short_opt_name=${1%"$func_split_short_opt_arg"}]) + + _LT_PROG_FUNCTION_REPLACE([func_lo2o], [dnl + case ${1} in + *.lo) func_lo2o_result=${1%.lo}.${objext} ;; + *) func_lo2o_result=${1} ;; + esac]) + + _LT_PROG_FUNCTION_REPLACE([func_xform], [ func_xform_result=${1%.*}.lo]) + + _LT_PROG_FUNCTION_REPLACE([func_arith], [ func_arith_result=$(( $[*] ))]) + + _LT_PROG_FUNCTION_REPLACE([func_len], [ func_len_result=${#1}]) +fi + +if test x"$lt_shell_append" = xyes; then + _LT_PROG_FUNCTION_REPLACE([func_append], [ eval "${1}+=\\${2}"]) + + _LT_PROG_FUNCTION_REPLACE([func_append_quoted], [dnl + func_quote_for_eval "${2}" +dnl m4 expansion turns \\\\ into \\, and then the shell eval turns that into \ + eval "${1}+=\\\\ \\$func_quote_for_eval_result"]) + + # Save a `func_append' function call where possible by direct use of '+=' + sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1+="%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +else + # Save a `func_append' function call even when '+=' is not available + sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +fi + +if test x"$_lt_function_replace_fail" = x":"; then + AC_MSG_WARN([Unable to substitute extended shell functions in $ofile]) +fi +]) + +# _LT_PATH_CONVERSION_FUNCTIONS +# ----------------------------- +# Determine which file name conversion functions should be used by +# func_to_host_file (and, implicitly, by func_to_host_path). These are needed +# for certain cross-compile configurations and native mingw. +m4_defun([_LT_PATH_CONVERSION_FUNCTIONS], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +AC_MSG_CHECKING([how to convert $build file names to $host format]) +AC_CACHE_VAL(lt_cv_to_host_file_cmd, +[case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 + ;; + esac + ;; + *-*-cygwin* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin + ;; + esac + ;; + * ) # unhandled hosts (and "normal" native builds) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; +esac +]) +to_host_file_cmd=$lt_cv_to_host_file_cmd +AC_MSG_RESULT([$lt_cv_to_host_file_cmd]) +_LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd], + [0], [convert $build file names to $host format])dnl + +AC_MSG_CHECKING([how to convert $build file names to toolchain format]) +AC_CACHE_VAL(lt_cv_to_tool_file_cmd, +[#assume ordinary cross tools, or native build. +lt_cv_to_tool_file_cmd=func_convert_file_noop +case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 + ;; + esac + ;; +esac +]) +to_tool_file_cmd=$lt_cv_to_tool_file_cmd +AC_MSG_RESULT([$lt_cv_to_tool_file_cmd]) +_LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd], + [0], [convert $build files to toolchain format])dnl +])# _LT_PATH_CONVERSION_FUNCTIONS diff --git a/config/ltmain.sh b/config/ltmain.sh new file mode 100644 index 0000000..bffda54 --- /dev/null +++ b/config/ltmain.sh @@ -0,0 +1,9661 @@ + +# libtool (GNU libtool) 2.4.2 +# Written by Gordon Matzigkeit , 1996 + +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, +# 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# GNU Libtool is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# As a special exception to the GNU General Public License, +# if you distribute this file as part of a program or library that +# is built using GNU Libtool, you may include this file under the +# same distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Libtool; see the file COPYING. If not, a copy +# can be downloaded from http://www.gnu.org/licenses/gpl.html, +# or obtained by writing to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + +# Usage: $progname [OPTION]... [MODE-ARG]... +# +# Provide generalized library-building support services. +# +# --config show all configuration variables +# --debug enable verbose shell tracing +# -n, --dry-run display commands without modifying any files +# --features display basic configuration information and exit +# --mode=MODE use operation mode MODE +# --preserve-dup-deps don't remove duplicate dependency libraries +# --quiet, --silent don't print informational messages +# --no-quiet, --no-silent +# print informational messages (default) +# --no-warn don't display warning messages +# --tag=TAG use configuration variables from tag TAG +# -v, --verbose print more informational messages than default +# --no-verbose don't print the extra informational messages +# --version print version information +# -h, --help, --help-all print short, long, or detailed help message +# +# MODE must be one of the following: +# +# clean remove files from the build directory +# compile compile a source file into a libtool object +# execute automatically set library path, then run a program +# finish complete the installation of libtool libraries +# install install libraries or executables +# link create a library or an executable +# uninstall remove libraries from an installed directory +# +# MODE-ARGS vary depending on the MODE. When passed as first option, +# `--mode=MODE' may be abbreviated as `MODE' or a unique abbreviation of that. +# Try `$progname --help --mode=MODE' for a more detailed description of MODE. +# +# When reporting a bug, please describe a test case to reproduce it and +# include the following information: +# +# host-triplet: $host +# shell: $SHELL +# compiler: $LTCC +# compiler flags: $LTCFLAGS +# linker: $LD (gnu? $with_gnu_ld) +# $progname: (GNU libtool) 2.4.2 Debian-2.4.2-1.11 +# automake: $automake_version +# autoconf: $autoconf_version +# +# Report bugs to . +# GNU libtool home page: . +# General help using GNU software: . + +PROGRAM=libtool +PACKAGE=libtool +VERSION="2.4.2 Debian-2.4.2-1.11" +TIMESTAMP="" +package_revision=1.3337 + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' +} + +# NLS nuisances: We save the old values to restore during execute mode. +lt_user_locale= +lt_safe_locale= +for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES +do + eval "if test \"\${$lt_var+set}\" = set; then + save_$lt_var=\$$lt_var + $lt_var=C + export $lt_var + lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\" + lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\" + fi" +done +LC_ALL=C +LANGUAGE=C +export LANGUAGE LC_ALL + +$lt_unset CDPATH + + +# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh +# is ksh but when the shell is invoked as "sh" and the current value of +# the _XPG environment variable is not equal to 1 (one), the special +# positional parameter $0, within a function call, is the name of the +# function. +progpath="$0" + + + +: ${CP="cp -f"} +test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'} +: ${MAKE="make"} +: ${MKDIR="mkdir"} +: ${MV="mv -f"} +: ${RM="rm -f"} +: ${SHELL="${CONFIG_SHELL-/bin/sh}"} +: ${Xsed="$SED -e 1s/^X//"} + +# Global variables: +EXIT_SUCCESS=0 +EXIT_FAILURE=1 +EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. +EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. + +exit_status=$EXIT_SUCCESS + +# Make sure IFS has a sensible default +lt_nl=' +' +IFS=" $lt_nl" + +dirname="s,/[^/]*$,," +basename="s,^.*/,," + +# func_dirname file append nondir_replacement +# Compute the dirname of FILE. If nonempty, add APPEND to the result, +# otherwise set result to NONDIR_REPLACEMENT. +func_dirname () +{ + func_dirname_result=`$ECHO "${1}" | $SED "$dirname"` + if test "X$func_dirname_result" = "X${1}"; then + func_dirname_result="${3}" + else + func_dirname_result="$func_dirname_result${2}" + fi +} # func_dirname may be replaced by extended shell implementation + + +# func_basename file +func_basename () +{ + func_basename_result=`$ECHO "${1}" | $SED "$basename"` +} # func_basename may be replaced by extended shell implementation + + +# func_dirname_and_basename file append nondir_replacement +# perform func_basename and func_dirname in a single function +# call: +# dirname: Compute the dirname of FILE. If nonempty, +# add APPEND to the result, otherwise set result +# to NONDIR_REPLACEMENT. +# value returned in "$func_dirname_result" +# basename: Compute filename of FILE. +# value retuned in "$func_basename_result" +# Implementation must be kept synchronized with func_dirname +# and func_basename. For efficiency, we do not delegate to +# those functions but instead duplicate the functionality here. +func_dirname_and_basename () +{ + # Extract subdirectory from the argument. + func_dirname_result=`$ECHO "${1}" | $SED -e "$dirname"` + if test "X$func_dirname_result" = "X${1}"; then + func_dirname_result="${3}" + else + func_dirname_result="$func_dirname_result${2}" + fi + func_basename_result=`$ECHO "${1}" | $SED -e "$basename"` +} # func_dirname_and_basename may be replaced by extended shell implementation + + +# func_stripname prefix suffix name +# strip PREFIX and SUFFIX off of NAME. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +# func_strip_suffix prefix name +func_stripname () +{ + case ${2} in + .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;; + *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;; + esac +} # func_stripname may be replaced by extended shell implementation + + +# These SED scripts presuppose an absolute path with a trailing slash. +pathcar='s,^/\([^/]*\).*$,\1,' +pathcdr='s,^/[^/]*,,' +removedotparts=':dotsl + s@/\./@/@g + t dotsl + s,/\.$,/,' +collapseslashes='s@/\{1,\}@/@g' +finalslash='s,/*$,/,' + +# func_normal_abspath PATH +# Remove doubled-up and trailing slashes, "." path components, +# and cancel out any ".." path components in PATH after making +# it an absolute path. +# value returned in "$func_normal_abspath_result" +func_normal_abspath () +{ + # Start from root dir and reassemble the path. + func_normal_abspath_result= + func_normal_abspath_tpath=$1 + func_normal_abspath_altnamespace= + case $func_normal_abspath_tpath in + "") + # Empty path, that just means $cwd. + func_stripname '' '/' "`pwd`" + func_normal_abspath_result=$func_stripname_result + return + ;; + # The next three entries are used to spot a run of precisely + # two leading slashes without using negated character classes; + # we take advantage of case's first-match behaviour. + ///*) + # Unusual form of absolute path, do nothing. + ;; + //*) + # Not necessarily an ordinary path; POSIX reserves leading '//' + # and for example Cygwin uses it to access remote file shares + # over CIFS/SMB, so we conserve a leading double slash if found. + func_normal_abspath_altnamespace=/ + ;; + /*) + # Absolute path, do nothing. + ;; + *) + # Relative path, prepend $cwd. + func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath + ;; + esac + # Cancel out all the simple stuff to save iterations. We also want + # the path to end with a slash for ease of parsing, so make sure + # there is one (and only one) here. + func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"` + while :; do + # Processed it all yet? + if test "$func_normal_abspath_tpath" = / ; then + # If we ascended to the root using ".." the result may be empty now. + if test -z "$func_normal_abspath_result" ; then + func_normal_abspath_result=/ + fi + break + fi + func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$pathcar"` + func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$pathcdr"` + # Figure out what to do with it + case $func_normal_abspath_tcomponent in + "") + # Trailing empty path component, ignore it. + ;; + ..) + # Parent dir; strip last assembled component from result. + func_dirname "$func_normal_abspath_result" + func_normal_abspath_result=$func_dirname_result + ;; + *) + # Actual path component, append it. + func_normal_abspath_result=$func_normal_abspath_result/$func_normal_abspath_tcomponent + ;; + esac + done + # Restore leading double-slash if one was found on entry. + func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result +} + +# func_relative_path SRCDIR DSTDIR +# generates a relative path from SRCDIR to DSTDIR, with a trailing +# slash if non-empty, suitable for immediately appending a filename +# without needing to append a separator. +# value returned in "$func_relative_path_result" +func_relative_path () +{ + func_relative_path_result= + func_normal_abspath "$1" + func_relative_path_tlibdir=$func_normal_abspath_result + func_normal_abspath "$2" + func_relative_path_tbindir=$func_normal_abspath_result + + # Ascend the tree starting from libdir + while :; do + # check if we have found a prefix of bindir + case $func_relative_path_tbindir in + $func_relative_path_tlibdir) + # found an exact match + func_relative_path_tcancelled= + break + ;; + $func_relative_path_tlibdir*) + # found a matching prefix + func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" + func_relative_path_tcancelled=$func_stripname_result + if test -z "$func_relative_path_result"; then + func_relative_path_result=. + fi + break + ;; + *) + func_dirname $func_relative_path_tlibdir + func_relative_path_tlibdir=${func_dirname_result} + if test "x$func_relative_path_tlibdir" = x ; then + # Have to descend all the way to the root! + func_relative_path_result=../$func_relative_path_result + func_relative_path_tcancelled=$func_relative_path_tbindir + break + fi + func_relative_path_result=../$func_relative_path_result + ;; + esac + done + + # Now calculate path; take care to avoid doubling-up slashes. + func_stripname '' '/' "$func_relative_path_result" + func_relative_path_result=$func_stripname_result + func_stripname '/' '/' "$func_relative_path_tcancelled" + if test "x$func_stripname_result" != x ; then + func_relative_path_result=${func_relative_path_result}/${func_stripname_result} + fi + + # Normalisation. If bindir is libdir, return empty string, + # else relative path ending with a slash; either way, target + # file name can be directly appended. + if test ! -z "$func_relative_path_result"; then + func_stripname './' '' "$func_relative_path_result/" + func_relative_path_result=$func_stripname_result + fi +} + +# The name of this program: +func_dirname_and_basename "$progpath" +progname=$func_basename_result + +# Make sure we have an absolute path for reexecution: +case $progpath in + [\\/]*|[A-Za-z]:\\*) ;; + *[\\/]*) + progdir=$func_dirname_result + progdir=`cd "$progdir" && pwd` + progpath="$progdir/$progname" + ;; + *) + save_IFS="$IFS" + IFS=${PATH_SEPARATOR-:} + for progdir in $PATH; do + IFS="$save_IFS" + test -x "$progdir/$progname" && break + done + IFS="$save_IFS" + test -n "$progdir" || progdir=`pwd` + progpath="$progdir/$progname" + ;; +esac + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +Xsed="${SED}"' -e 1s/^X//' +sed_quote_subst='s/\([`"$\\]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\(["`\\]\)/\\\1/g' + +# Sed substitution that turns a string into a regex matching for the +# string literally. +sed_make_literal_regex='s,[].[^$\\*\/],\\&,g' + +# Sed substitution that converts a w32 file name or path +# which contains forward slashes, into one that contains +# (escaped) backslashes. A very naive implementation. +lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' + +# Re-`\' parameter expansions in output of double_quote_subst that were +# `\'-ed in input to the same. If an odd number of `\' preceded a '$' +# in input to double_quote_subst, that '$' was protected from expansion. +# Since each input `\' is now two `\'s, look for any number of runs of +# four `\'s followed by two `\'s and then a '$'. `\' that '$'. +bs='\\' +bs2='\\\\' +bs4='\\\\\\\\' +dollar='\$' +sed_double_backslash="\ + s/$bs4/&\\ +/g + s/^$bs2$dollar/$bs&/ + s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g + s/\n//g" + +# Standard options: +opt_dry_run=false +opt_help=false +opt_quiet=false +opt_verbose=false +opt_warning=: + +# func_echo arg... +# Echo program name prefixed message, along with the current mode +# name if it has been set yet. +func_echo () +{ + $ECHO "$progname: ${opt_mode+$opt_mode: }$*" +} + +# func_verbose arg... +# Echo program name prefixed message in verbose mode only. +func_verbose () +{ + $opt_verbose && func_echo ${1+"$@"} + + # A bug in bash halts the script if the last line of a function + # fails when set -e is in force, so we need another command to + # work around that: + : +} + +# func_echo_all arg... +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "$*" +} + +# func_error arg... +# Echo program name prefixed message to standard error. +func_error () +{ + $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2 +} + +# func_warning arg... +# Echo program name prefixed warning message to standard error. +func_warning () +{ + $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2 + + # bash bug again: + : +} + +# func_fatal_error arg... +# Echo program name prefixed message to standard error, and exit. +func_fatal_error () +{ + func_error ${1+"$@"} + exit $EXIT_FAILURE +} + +# func_fatal_help arg... +# Echo program name prefixed message to standard error, followed by +# a help hint, and exit. +func_fatal_help () +{ + func_error ${1+"$@"} + func_fatal_error "$help" +} +help="Try \`$progname --help' for more information." ## default + + +# func_grep expression filename +# Check whether EXPRESSION matches any line of FILENAME, without output. +func_grep () +{ + $GREP "$1" "$2" >/dev/null 2>&1 +} + + +# func_mkdir_p directory-path +# Make sure the entire path to DIRECTORY-PATH is available. +func_mkdir_p () +{ + my_directory_path="$1" + my_dir_list= + + if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then + + # Protect directory names starting with `-' + case $my_directory_path in + -*) my_directory_path="./$my_directory_path" ;; + esac + + # While some portion of DIR does not yet exist... + while test ! -d "$my_directory_path"; do + # ...make a list in topmost first order. Use a colon delimited + # list incase some portion of path contains whitespace. + my_dir_list="$my_directory_path:$my_dir_list" + + # If the last portion added has no slash in it, the list is done + case $my_directory_path in */*) ;; *) break ;; esac + + # ...otherwise throw away the child directory and loop + my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"` + done + my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'` + + save_mkdir_p_IFS="$IFS"; IFS=':' + for my_dir in $my_dir_list; do + IFS="$save_mkdir_p_IFS" + # mkdir can fail with a `File exist' error if two processes + # try to create one of the directories concurrently. Don't + # stop in that case! + $MKDIR "$my_dir" 2>/dev/null || : + done + IFS="$save_mkdir_p_IFS" + + # Bail out if we (or some other process) failed to create a directory. + test -d "$my_directory_path" || \ + func_fatal_error "Failed to create \`$1'" + fi +} + + +# func_mktempdir [string] +# Make a temporary directory that won't clash with other running +# libtool processes, and avoids race conditions if possible. If +# given, STRING is the basename for that directory. +func_mktempdir () +{ + my_template="${TMPDIR-/tmp}/${1-$progname}" + + if test "$opt_dry_run" = ":"; then + # Return a directory name, but don't create it in dry-run mode + my_tmpdir="${my_template}-$$" + else + + # If mktemp works, use that first and foremost + my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null` + + if test ! -d "$my_tmpdir"; then + # Failing that, at least try and use $RANDOM to avoid a race + my_tmpdir="${my_template}-${RANDOM-0}$$" + + save_mktempdir_umask=`umask` + umask 0077 + $MKDIR "$my_tmpdir" + umask $save_mktempdir_umask + fi + + # If we're not in dry-run mode, bomb out on failure + test -d "$my_tmpdir" || \ + func_fatal_error "cannot create temporary directory \`$my_tmpdir'" + fi + + $ECHO "$my_tmpdir" +} + + +# func_quote_for_eval arg +# Aesthetically quote ARG to be evaled later. +# This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT +# is double-quoted, suitable for a subsequent eval, whereas +# FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters +# which are still active within double quotes backslashified. +func_quote_for_eval () +{ + case $1 in + *[\\\`\"\$]*) + func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;; + *) + func_quote_for_eval_unquoted_result="$1" ;; + esac + + case $func_quote_for_eval_unquoted_result in + # Double-quote args containing shell metacharacters to delay + # word splitting, command substitution and and variable + # expansion for a subsequent eval. + # Many Bourne shells cannot handle close brackets correctly + # in scan sets, so we specify it separately. + *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") + func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\"" + ;; + *) + func_quote_for_eval_result="$func_quote_for_eval_unquoted_result" + esac +} + + +# func_quote_for_expand arg +# Aesthetically quote ARG to be evaled later; same as above, +# but do not quote variable references. +func_quote_for_expand () +{ + case $1 in + *[\\\`\"]*) + my_arg=`$ECHO "$1" | $SED \ + -e "$double_quote_subst" -e "$sed_double_backslash"` ;; + *) + my_arg="$1" ;; + esac + + case $my_arg in + # Double-quote args containing shell metacharacters to delay + # word splitting and command substitution for a subsequent eval. + # Many Bourne shells cannot handle close brackets correctly + # in scan sets, so we specify it separately. + *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") + my_arg="\"$my_arg\"" + ;; + esac + + func_quote_for_expand_result="$my_arg" +} + + +# func_show_eval cmd [fail_exp] +# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. +func_show_eval () +{ + my_cmd="$1" + my_fail_exp="${2-:}" + + ${opt_silent-false} || { + func_quote_for_expand "$my_cmd" + eval "func_echo $func_quote_for_expand_result" + } + + if ${opt_dry_run-false}; then :; else + eval "$my_cmd" + my_status=$? + if test "$my_status" -eq 0; then :; else + eval "(exit $my_status); $my_fail_exp" + fi + fi +} + + +# func_show_eval_locale cmd [fail_exp] +# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. Use the saved locale for evaluation. +func_show_eval_locale () +{ + my_cmd="$1" + my_fail_exp="${2-:}" + + ${opt_silent-false} || { + func_quote_for_expand "$my_cmd" + eval "func_echo $func_quote_for_expand_result" + } + + if ${opt_dry_run-false}; then :; else + eval "$lt_user_locale + $my_cmd" + my_status=$? + eval "$lt_safe_locale" + if test "$my_status" -eq 0; then :; else + eval "(exit $my_status); $my_fail_exp" + fi + fi +} + +# func_tr_sh +# Turn $1 into a string suitable for a shell variable name. +# Result is stored in $func_tr_sh_result. All characters +# not in the set a-zA-Z0-9_ are replaced with '_'. Further, +# if $1 begins with a digit, a '_' is prepended as well. +func_tr_sh () +{ + case $1 in + [0-9]* | *[!a-zA-Z0-9_]*) + func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'` + ;; + * ) + func_tr_sh_result=$1 + ;; + esac +} + + +# func_version +# Echo version message to standard output and exit. +func_version () +{ + $opt_debug + + $SED -n '/(C)/!b go + :more + /\./!{ + N + s/\n# / / + b more + } + :go + /^# '$PROGRAM' (GNU /,/# warranty; / { + s/^# // + s/^# *$// + s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/ + p + }' < "$progpath" + exit $? +} + +# func_usage +# Echo short help message to standard output and exit. +func_usage () +{ + $opt_debug + + $SED -n '/^# Usage:/,/^# *.*--help/ { + s/^# // + s/^# *$// + s/\$progname/'$progname'/ + p + }' < "$progpath" + echo + $ECHO "run \`$progname --help | more' for full usage" + exit $? +} + +# func_help [NOEXIT] +# Echo long help message to standard output and exit, +# unless 'noexit' is passed as argument. +func_help () +{ + $opt_debug + + $SED -n '/^# Usage:/,/# Report bugs to/ { + :print + s/^# // + s/^# *$// + s*\$progname*'$progname'* + s*\$host*'"$host"'* + s*\$SHELL*'"$SHELL"'* + s*\$LTCC*'"$LTCC"'* + s*\$LTCFLAGS*'"$LTCFLAGS"'* + s*\$LD*'"$LD"'* + s/\$with_gnu_ld/'"$with_gnu_ld"'/ + s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/ + s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/ + p + d + } + /^# .* home page:/b print + /^# General help using/b print + ' < "$progpath" + ret=$? + if test -z "$1"; then + exit $ret + fi +} + +# func_missing_arg argname +# Echo program name prefixed message to standard error and set global +# exit_cmd. +func_missing_arg () +{ + $opt_debug + + func_error "missing argument for $1." + exit_cmd=exit +} + + +# func_split_short_opt shortopt +# Set func_split_short_opt_name and func_split_short_opt_arg shell +# variables after splitting SHORTOPT after the 2nd character. +func_split_short_opt () +{ + my_sed_short_opt='1s/^\(..\).*$/\1/;q' + my_sed_short_rest='1s/^..\(.*\)$/\1/;q' + + func_split_short_opt_name=`$ECHO "$1" | $SED "$my_sed_short_opt"` + func_split_short_opt_arg=`$ECHO "$1" | $SED "$my_sed_short_rest"` +} # func_split_short_opt may be replaced by extended shell implementation + + +# func_split_long_opt longopt +# Set func_split_long_opt_name and func_split_long_opt_arg shell +# variables after splitting LONGOPT at the `=' sign. +func_split_long_opt () +{ + my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q' + my_sed_long_arg='1s/^--[^=]*=//' + + func_split_long_opt_name=`$ECHO "$1" | $SED "$my_sed_long_opt"` + func_split_long_opt_arg=`$ECHO "$1" | $SED "$my_sed_long_arg"` +} # func_split_long_opt may be replaced by extended shell implementation + +exit_cmd=: + + + + + +magic="%%%MAGIC variable%%%" +magic_exe="%%%MAGIC EXE variable%%%" + +# Global variables. +nonopt= +preserve_args= +lo2o="s/\\.lo\$/.${objext}/" +o2lo="s/\\.${objext}\$/.lo/" +extracted_archives= +extracted_serial=0 + +# If this variable is set in any of the actions, the command in it +# will be execed at the end. This prevents here-documents from being +# left over by shells. +exec_cmd= + +# func_append var value +# Append VALUE to the end of shell variable VAR. +func_append () +{ + eval "${1}=\$${1}\${2}" +} # func_append may be replaced by extended shell implementation + +# func_append_quoted var value +# Quote VALUE and append to the end of shell variable VAR, separated +# by a space. +func_append_quoted () +{ + func_quote_for_eval "${2}" + eval "${1}=\$${1}\\ \$func_quote_for_eval_result" +} # func_append_quoted may be replaced by extended shell implementation + + +# func_arith arithmetic-term... +func_arith () +{ + func_arith_result=`expr "${@}"` +} # func_arith may be replaced by extended shell implementation + + +# func_len string +# STRING may not start with a hyphen. +func_len () +{ + func_len_result=`expr "${1}" : ".*" 2>/dev/null || echo $max_cmd_len` +} # func_len may be replaced by extended shell implementation + + +# func_lo2o object +func_lo2o () +{ + func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"` +} # func_lo2o may be replaced by extended shell implementation + + +# func_xform libobj-or-source +func_xform () +{ + func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'` +} # func_xform may be replaced by extended shell implementation + + +# func_fatal_configuration arg... +# Echo program name prefixed message to standard error, followed by +# a configuration failure hint, and exit. +func_fatal_configuration () +{ + func_error ${1+"$@"} + func_error "See the $PACKAGE documentation for more information." + func_fatal_error "Fatal configuration error." +} + + +# func_config +# Display the configuration for all the tags in this script. +func_config () +{ + re_begincf='^# ### BEGIN LIBTOOL' + re_endcf='^# ### END LIBTOOL' + + # Default configuration. + $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" + + # Now print the configurations for the tags. + for tagname in $taglist; do + $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" + done + + exit $? +} + +# func_features +# Display the features supported by this script. +func_features () +{ + echo "host: $host" + if test "$build_libtool_libs" = yes; then + echo "enable shared libraries" + else + echo "disable shared libraries" + fi + if test "$build_old_libs" = yes; then + echo "enable static libraries" + else + echo "disable static libraries" + fi + + exit $? +} + +# func_enable_tag tagname +# Verify that TAGNAME is valid, and either flag an error and exit, or +# enable the TAGNAME tag. We also add TAGNAME to the global $taglist +# variable here. +func_enable_tag () +{ + # Global variable: + tagname="$1" + + re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" + re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" + sed_extractcf="/$re_begincf/,/$re_endcf/p" + + # Validate tagname. + case $tagname in + *[!-_A-Za-z0-9,/]*) + func_fatal_error "invalid tag name: $tagname" + ;; + esac + + # Don't test for the "default" C tag, as we know it's + # there but not specially marked. + case $tagname in + CC) ;; + *) + if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then + taglist="$taglist $tagname" + + # Evaluate the configuration. Be careful to quote the path + # and the sed script, to avoid splitting on whitespace, but + # also don't use non-portable quotes within backquotes within + # quotes we have to do it in 2 steps: + extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` + eval "$extractedcf" + else + func_error "ignoring unknown tag $tagname" + fi + ;; + esac +} + +# func_check_version_match +# Ensure that we are using m4 macros, and libtool script from the same +# release of libtool. +func_check_version_match () +{ + if test "$package_revision" != "$macro_revision"; then + if test "$VERSION" != "$macro_version"; then + if test -z "$macro_version"; then + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from an older release. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from $PACKAGE $macro_version. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + fi + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, +$progname: but the definition of this LT_INIT comes from revision $macro_revision. +$progname: You should recreate aclocal.m4 with macros from revision $package_revision +$progname: of $PACKAGE $VERSION and run autoconf again. +_LT_EOF + fi + + exit $EXIT_MISMATCH + fi +} + + +# Shorthand for --mode=foo, only valid as the first argument +case $1 in +clean|clea|cle|cl) + shift; set dummy --mode clean ${1+"$@"}; shift + ;; +compile|compil|compi|comp|com|co|c) + shift; set dummy --mode compile ${1+"$@"}; shift + ;; +execute|execut|execu|exec|exe|ex|e) + shift; set dummy --mode execute ${1+"$@"}; shift + ;; +finish|finis|fini|fin|fi|f) + shift; set dummy --mode finish ${1+"$@"}; shift + ;; +install|instal|insta|inst|ins|in|i) + shift; set dummy --mode install ${1+"$@"}; shift + ;; +link|lin|li|l) + shift; set dummy --mode link ${1+"$@"}; shift + ;; +uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) + shift; set dummy --mode uninstall ${1+"$@"}; shift + ;; +esac + + + +# Option defaults: +opt_debug=: +opt_dry_run=false +opt_config=false +opt_preserve_dup_deps=false +opt_features=false +opt_finish=false +opt_help=false +opt_help_all=false +opt_silent=: +opt_warning=: +opt_verbose=: +opt_silent=false +opt_verbose=false + + +# Parse options once, thoroughly. This comes as soon as possible in the +# script to make things like `--version' happen as quickly as we can. +{ + # this just eases exit handling + while test $# -gt 0; do + opt="$1" + shift + case $opt in + --debug|-x) opt_debug='set -x' + func_echo "enabling shell trace mode" + $opt_debug + ;; + --dry-run|--dryrun|-n) + opt_dry_run=: + ;; + --config) + opt_config=: +func_config + ;; + --dlopen|-dlopen) + optarg="$1" + opt_dlopen="${opt_dlopen+$opt_dlopen +}$optarg" + shift + ;; + --preserve-dup-deps) + opt_preserve_dup_deps=: + ;; + --features) + opt_features=: +func_features + ;; + --finish) + opt_finish=: +set dummy --mode finish ${1+"$@"}; shift + ;; + --help) + opt_help=: + ;; + --help-all) + opt_help_all=: +opt_help=': help-all' + ;; + --mode) + test $# = 0 && func_missing_arg $opt && break + optarg="$1" + opt_mode="$optarg" +case $optarg in + # Valid mode arguments: + clean|compile|execute|finish|install|link|relink|uninstall) ;; + + # Catch anything else as an error + *) func_error "invalid argument for $opt" + exit_cmd=exit + break + ;; +esac + shift + ;; + --no-silent|--no-quiet) + opt_silent=false +func_append preserve_args " $opt" + ;; + --no-warning|--no-warn) + opt_warning=false +func_append preserve_args " $opt" + ;; + --no-verbose) + opt_verbose=false +func_append preserve_args " $opt" + ;; + --silent|--quiet) + opt_silent=: +func_append preserve_args " $opt" + opt_verbose=false + ;; + --verbose|-v) + opt_verbose=: +func_append preserve_args " $opt" +opt_silent=false + ;; + --tag) + test $# = 0 && func_missing_arg $opt && break + optarg="$1" + opt_tag="$optarg" +func_append preserve_args " $opt $optarg" +func_enable_tag "$optarg" + shift + ;; + + -\?|-h) func_usage ;; + --help) func_help ;; + --version) func_version ;; + + # Separate optargs to long options: + --*=*) + func_split_long_opt "$opt" + set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"} + shift + ;; + + # Separate non-argument short options: + -\?*|-h*|-n*|-v*) + func_split_short_opt "$opt" + set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"} + shift + ;; + + --) break ;; + -*) func_fatal_help "unrecognized option \`$opt'" ;; + *) set dummy "$opt" ${1+"$@"}; shift; break ;; + esac + done + + # Validate options: + + # save first non-option argument + if test "$#" -gt 0; then + nonopt="$opt" + shift + fi + + # preserve --debug + test "$opt_debug" = : || func_append preserve_args " --debug" + + case $host in + *cygwin* | *mingw* | *pw32* | *cegcc*) + # don't eliminate duplications in $postdeps and $predeps + opt_duplicate_compiler_generated_deps=: + ;; + *) + opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps + ;; + esac + + $opt_help || { + # Sanity checks first: + func_check_version_match + + if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then + func_fatal_configuration "not configured to build any kind of library" + fi + + # Darwin sucks + eval std_shrext=\"$shrext_cmds\" + + # Only execute mode is allowed to have -dlopen flags. + if test -n "$opt_dlopen" && test "$opt_mode" != execute; then + func_error "unrecognized option \`-dlopen'" + $ECHO "$help" 1>&2 + exit $EXIT_FAILURE + fi + + # Change the help message to a mode-specific one. + generic_help="$help" + help="Try \`$progname --help --mode=$opt_mode' for more information." + } + + + # Bail if the options were screwed + $exit_cmd $EXIT_FAILURE +} + + + + +## ----------- ## +## Main. ## +## ----------- ## + +# func_lalib_p file +# True iff FILE is a libtool `.la' library or `.lo' object file. +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_lalib_p () +{ + test -f "$1" && + $SED -e 4q "$1" 2>/dev/null \ + | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 +} + +# func_lalib_unsafe_p file +# True iff FILE is a libtool `.la' library or `.lo' object file. +# This function implements the same check as func_lalib_p without +# resorting to external programs. To this end, it redirects stdin and +# closes it afterwards, without saving the original file descriptor. +# As a safety measure, use it only where a negative result would be +# fatal anyway. Works if `file' does not exist. +func_lalib_unsafe_p () +{ + lalib_p=no + if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then + for lalib_p_l in 1 2 3 4 + do + read lalib_p_line + case "$lalib_p_line" in + \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; + esac + done + exec 0<&5 5<&- + fi + test "$lalib_p" = yes +} + +# func_ltwrapper_script_p file +# True iff FILE is a libtool wrapper script +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_script_p () +{ + func_lalib_p "$1" +} + +# func_ltwrapper_executable_p file +# True iff FILE is a libtool wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_executable_p () +{ + func_ltwrapper_exec_suffix= + case $1 in + *.exe) ;; + *) func_ltwrapper_exec_suffix=.exe ;; + esac + $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 +} + +# func_ltwrapper_scriptname file +# Assumes file is an ltwrapper_executable +# uses $file to determine the appropriate filename for a +# temporary ltwrapper_script. +func_ltwrapper_scriptname () +{ + func_dirname_and_basename "$1" "" "." + func_stripname '' '.exe' "$func_basename_result" + func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" +} + +# func_ltwrapper_p file +# True iff FILE is a libtool wrapper script or wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_p () +{ + func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" +} + + +# func_execute_cmds commands fail_cmd +# Execute tilde-delimited COMMANDS. +# If FAIL_CMD is given, eval that upon failure. +# FAIL_CMD may read-access the current command in variable CMD! +func_execute_cmds () +{ + $opt_debug + save_ifs=$IFS; IFS='~' + for cmd in $1; do + IFS=$save_ifs + eval cmd=\"$cmd\" + func_show_eval "$cmd" "${2-:}" + done + IFS=$save_ifs +} + + +# func_source file +# Source FILE, adding directory component if necessary. +# Note that it is not necessary on cygwin/mingw to append a dot to +# FILE even if both FILE and FILE.exe exist: automatic-append-.exe +# behavior happens only for exec(3), not for open(2)! Also, sourcing +# `FILE.' does not work on cygwin managed mounts. +func_source () +{ + $opt_debug + case $1 in + */* | *\\*) . "$1" ;; + *) . "./$1" ;; + esac +} + + +# func_resolve_sysroot PATH +# Replace a leading = in PATH with a sysroot. Store the result into +# func_resolve_sysroot_result +func_resolve_sysroot () +{ + func_resolve_sysroot_result=$1 + case $func_resolve_sysroot_result in + =*) + func_stripname '=' '' "$func_resolve_sysroot_result" + func_resolve_sysroot_result=$lt_sysroot$func_stripname_result + ;; + esac +} + +# func_replace_sysroot PATH +# If PATH begins with the sysroot, replace it with = and +# store the result into func_replace_sysroot_result. +func_replace_sysroot () +{ + case "$lt_sysroot:$1" in + ?*:"$lt_sysroot"*) + func_stripname "$lt_sysroot" '' "$1" + func_replace_sysroot_result="=$func_stripname_result" + ;; + *) + # Including no sysroot. + func_replace_sysroot_result=$1 + ;; + esac +} + +# func_infer_tag arg +# Infer tagged configuration to use if any are available and +# if one wasn't chosen via the "--tag" command line option. +# Only attempt this if the compiler in the base compile +# command doesn't match the default compiler. +# arg is usually of the form 'gcc ...' +func_infer_tag () +{ + $opt_debug + if test -n "$available_tags" && test -z "$tagname"; then + CC_quoted= + for arg in $CC; do + func_append_quoted CC_quoted "$arg" + done + CC_expanded=`func_echo_all $CC` + CC_quoted_expanded=`func_echo_all $CC_quoted` + case $@ in + # Blanks in the command may have been stripped by the calling shell, + # but not from the CC environment variable when configure was run. + " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ + " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; + # Blanks at the start of $base_compile will cause this to fail + # if we don't check for them as well. + *) + for z in $available_tags; do + if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then + # Evaluate the configuration. + eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" + CC_quoted= + for arg in $CC; do + # Double-quote args containing other shell metacharacters. + func_append_quoted CC_quoted "$arg" + done + CC_expanded=`func_echo_all $CC` + CC_quoted_expanded=`func_echo_all $CC_quoted` + case "$@ " in + " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ + " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) + # The compiler in the base compile command matches + # the one in the tagged configuration. + # Assume this is the tagged configuration we want. + tagname=$z + break + ;; + esac + fi + done + # If $tagname still isn't set, then no tagged configuration + # was found and let the user know that the "--tag" command + # line option must be used. + if test -z "$tagname"; then + func_echo "unable to infer tagged configuration" + func_fatal_error "specify a tag with \`--tag'" +# else +# func_verbose "using $tagname tagged configuration" + fi + ;; + esac + fi +} + + + +# func_write_libtool_object output_name pic_name nonpic_name +# Create a libtool object file (analogous to a ".la" file), +# but don't create it if we're doing a dry run. +func_write_libtool_object () +{ + write_libobj=${1} + if test "$build_libtool_libs" = yes; then + write_lobj=\'${2}\' + else + write_lobj=none + fi + + if test "$build_old_libs" = yes; then + write_oldobj=\'${3}\' + else + write_oldobj=none + fi + + $opt_dry_run || { + cat >${write_libobj}T </dev/null` + if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then + func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | + $SED -e "$lt_sed_naive_backslashify"` + else + func_convert_core_file_wine_to_w32_result= + fi + fi +} +# end: func_convert_core_file_wine_to_w32 + + +# func_convert_core_path_wine_to_w32 ARG +# Helper function used by path conversion functions when $build is *nix, and +# $host is mingw, cygwin, or some other w32 environment. Relies on a correctly +# configured wine environment available, with the winepath program in $build's +# $PATH. Assumes ARG has no leading or trailing path separator characters. +# +# ARG is path to be converted from $build format to win32. +# Result is available in $func_convert_core_path_wine_to_w32_result. +# Unconvertible file (directory) names in ARG are skipped; if no directory names +# are convertible, then the result may be empty. +func_convert_core_path_wine_to_w32 () +{ + $opt_debug + # unfortunately, winepath doesn't convert paths, only file names + func_convert_core_path_wine_to_w32_result="" + if test -n "$1"; then + oldIFS=$IFS + IFS=: + for func_convert_core_path_wine_to_w32_f in $1; do + IFS=$oldIFS + func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" + if test -n "$func_convert_core_file_wine_to_w32_result" ; then + if test -z "$func_convert_core_path_wine_to_w32_result"; then + func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result" + else + func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" + fi + fi + done + IFS=$oldIFS + fi +} +# end: func_convert_core_path_wine_to_w32 + + +# func_cygpath ARGS... +# Wrapper around calling the cygpath program via LT_CYGPATH. This is used when +# when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) +# $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or +# (2), returns the Cygwin file name or path in func_cygpath_result (input +# file name or path is assumed to be in w32 format, as previously converted +# from $build's *nix or MSYS format). In case (3), returns the w32 file name +# or path in func_cygpath_result (input file name or path is assumed to be in +# Cygwin format). Returns an empty string on error. +# +# ARGS are passed to cygpath, with the last one being the file name or path to +# be converted. +# +# Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH +# environment variable; do not put it in $PATH. +func_cygpath () +{ + $opt_debug + if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then + func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` + if test "$?" -ne 0; then + # on failure, ensure result is empty + func_cygpath_result= + fi + else + func_cygpath_result= + func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'" + fi +} +#end: func_cygpath + + +# func_convert_core_msys_to_w32 ARG +# Convert file name or path ARG from MSYS format to w32 format. Return +# result in func_convert_core_msys_to_w32_result. +func_convert_core_msys_to_w32 () +{ + $opt_debug + # awkward: cmd appends spaces to result + func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | + $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"` +} +#end: func_convert_core_msys_to_w32 + + +# func_convert_file_check ARG1 ARG2 +# Verify that ARG1 (a file name in $build format) was converted to $host +# format in ARG2. Otherwise, emit an error message, but continue (resetting +# func_to_host_file_result to ARG1). +func_convert_file_check () +{ + $opt_debug + if test -z "$2" && test -n "$1" ; then + func_error "Could not determine host file name corresponding to" + func_error " \`$1'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback: + func_to_host_file_result="$1" + fi +} +# end func_convert_file_check + + +# func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH +# Verify that FROM_PATH (a path in $build format) was converted to $host +# format in TO_PATH. Otherwise, emit an error message, but continue, resetting +# func_to_host_file_result to a simplistic fallback value (see below). +func_convert_path_check () +{ + $opt_debug + if test -z "$4" && test -n "$3"; then + func_error "Could not determine the host path corresponding to" + func_error " \`$3'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback. This is a deliberately simplistic "conversion" and + # should not be "improved". See libtool.info. + if test "x$1" != "x$2"; then + lt_replace_pathsep_chars="s|$1|$2|g" + func_to_host_path_result=`echo "$3" | + $SED -e "$lt_replace_pathsep_chars"` + else + func_to_host_path_result="$3" + fi + fi +} +# end func_convert_path_check + + +# func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG +# Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT +# and appending REPL if ORIG matches BACKPAT. +func_convert_path_front_back_pathsep () +{ + $opt_debug + case $4 in + $1 ) func_to_host_path_result="$3$func_to_host_path_result" + ;; + esac + case $4 in + $2 ) func_append func_to_host_path_result "$3" + ;; + esac +} +# end func_convert_path_front_back_pathsep + + +################################################## +# $build to $host FILE NAME CONVERSION FUNCTIONS # +################################################## +# invoked via `$to_host_file_cmd ARG' +# +# In each case, ARG is the path to be converted from $build to $host format. +# Result will be available in $func_to_host_file_result. + + +# func_to_host_file ARG +# Converts the file name ARG from $build format to $host format. Return result +# in func_to_host_file_result. +func_to_host_file () +{ + $opt_debug + $to_host_file_cmd "$1" +} +# end func_to_host_file + + +# func_to_tool_file ARG LAZY +# converts the file name ARG from $build format to toolchain format. Return +# result in func_to_tool_file_result. If the conversion in use is listed +# in (the comma separated) LAZY, no conversion takes place. +func_to_tool_file () +{ + $opt_debug + case ,$2, in + *,"$to_tool_file_cmd",*) + func_to_tool_file_result=$1 + ;; + *) + $to_tool_file_cmd "$1" + func_to_tool_file_result=$func_to_host_file_result + ;; + esac +} +# end func_to_tool_file + + +# func_convert_file_noop ARG +# Copy ARG to func_to_host_file_result. +func_convert_file_noop () +{ + func_to_host_file_result="$1" +} +# end func_convert_file_noop + + +# func_convert_file_msys_to_w32 ARG +# Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic +# conversion to w32 is not available inside the cwrapper. Returns result in +# func_to_host_file_result. +func_convert_file_msys_to_w32 () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + func_convert_core_msys_to_w32 "$1" + func_to_host_file_result="$func_convert_core_msys_to_w32_result" + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_msys_to_w32 + + +# func_convert_file_cygwin_to_w32 ARG +# Convert file name ARG from Cygwin to w32 format. Returns result in +# func_to_host_file_result. +func_convert_file_cygwin_to_w32 () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + # because $build is cygwin, we call "the" cygpath in $PATH; no need to use + # LT_CYGPATH in this case. + func_to_host_file_result=`cygpath -m "$1"` + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_cygwin_to_w32 + + +# func_convert_file_nix_to_w32 ARG +# Convert file name ARG from *nix to w32 format. Requires a wine environment +# and a working winepath. Returns result in func_to_host_file_result. +func_convert_file_nix_to_w32 () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + func_convert_core_file_wine_to_w32 "$1" + func_to_host_file_result="$func_convert_core_file_wine_to_w32_result" + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_nix_to_w32 + + +# func_convert_file_msys_to_cygwin ARG +# Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. +# Returns result in func_to_host_file_result. +func_convert_file_msys_to_cygwin () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + func_convert_core_msys_to_w32 "$1" + func_cygpath -u "$func_convert_core_msys_to_w32_result" + func_to_host_file_result="$func_cygpath_result" + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_msys_to_cygwin + + +# func_convert_file_nix_to_cygwin ARG +# Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed +# in a wine environment, working winepath, and LT_CYGPATH set. Returns result +# in func_to_host_file_result. +func_convert_file_nix_to_cygwin () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. + func_convert_core_file_wine_to_w32 "$1" + func_cygpath -u "$func_convert_core_file_wine_to_w32_result" + func_to_host_file_result="$func_cygpath_result" + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_nix_to_cygwin + + +############################################# +# $build to $host PATH CONVERSION FUNCTIONS # +############################################# +# invoked via `$to_host_path_cmd ARG' +# +# In each case, ARG is the path to be converted from $build to $host format. +# The result will be available in $func_to_host_path_result. +# +# Path separators are also converted from $build format to $host format. If +# ARG begins or ends with a path separator character, it is preserved (but +# converted to $host format) on output. +# +# All path conversion functions are named using the following convention: +# file name conversion function : func_convert_file_X_to_Y () +# path conversion function : func_convert_path_X_to_Y () +# where, for any given $build/$host combination the 'X_to_Y' value is the +# same. If conversion functions are added for new $build/$host combinations, +# the two new functions must follow this pattern, or func_init_to_host_path_cmd +# will break. + + +# func_init_to_host_path_cmd +# Ensures that function "pointer" variable $to_host_path_cmd is set to the +# appropriate value, based on the value of $to_host_file_cmd. +to_host_path_cmd= +func_init_to_host_path_cmd () +{ + $opt_debug + if test -z "$to_host_path_cmd"; then + func_stripname 'func_convert_file_' '' "$to_host_file_cmd" + to_host_path_cmd="func_convert_path_${func_stripname_result}" + fi +} + + +# func_to_host_path ARG +# Converts the path ARG from $build format to $host format. Return result +# in func_to_host_path_result. +func_to_host_path () +{ + $opt_debug + func_init_to_host_path_cmd + $to_host_path_cmd "$1" +} +# end func_to_host_path + + +# func_convert_path_noop ARG +# Copy ARG to func_to_host_path_result. +func_convert_path_noop () +{ + func_to_host_path_result="$1" +} +# end func_convert_path_noop + + +# func_convert_path_msys_to_w32 ARG +# Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic +# conversion to w32 is not available inside the cwrapper. Returns result in +# func_to_host_path_result. +func_convert_path_msys_to_w32 () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # Remove leading and trailing path separator characters from ARG. MSYS + # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; + # and winepath ignores them completely. + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" + func_to_host_path_result="$func_convert_core_msys_to_w32_result" + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_msys_to_w32 + + +# func_convert_path_cygwin_to_w32 ARG +# Convert path ARG from Cygwin to w32 format. Returns result in +# func_to_host_file_result. +func_convert_path_cygwin_to_w32 () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_cygwin_to_w32 + + +# func_convert_path_nix_to_w32 ARG +# Convert path ARG from *nix to w32 format. Requires a wine environment and +# a working winepath. Returns result in func_to_host_file_result. +func_convert_path_nix_to_w32 () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" + func_to_host_path_result="$func_convert_core_path_wine_to_w32_result" + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_nix_to_w32 + + +# func_convert_path_msys_to_cygwin ARG +# Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. +# Returns result in func_to_host_file_result. +func_convert_path_msys_to_cygwin () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" + func_cygpath -u -p "$func_convert_core_msys_to_w32_result" + func_to_host_path_result="$func_cygpath_result" + func_convert_path_check : : \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" : "$1" + fi +} +# end func_convert_path_msys_to_cygwin + + +# func_convert_path_nix_to_cygwin ARG +# Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a +# a wine environment, working winepath, and LT_CYGPATH set. Returns result in +# func_to_host_file_result. +func_convert_path_nix_to_cygwin () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # Remove leading and trailing path separator characters from + # ARG. msys behavior is inconsistent here, cygpath turns them + # into '.;' and ';.', and winepath ignores them completely. + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" + func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" + func_to_host_path_result="$func_cygpath_result" + func_convert_path_check : : \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" : "$1" + fi +} +# end func_convert_path_nix_to_cygwin + + +# func_mode_compile arg... +func_mode_compile () +{ + $opt_debug + # Get the compilation command and the source file. + base_compile= + srcfile="$nonopt" # always keep a non-empty value in "srcfile" + suppress_opt=yes + suppress_output= + arg_mode=normal + libobj= + later= + pie_flag= + + for arg + do + case $arg_mode in + arg ) + # do not "continue". Instead, add this to base_compile + lastarg="$arg" + arg_mode=normal + ;; + + target ) + libobj="$arg" + arg_mode=normal + continue + ;; + + normal ) + # Accept any command-line options. + case $arg in + -o) + test -n "$libobj" && \ + func_fatal_error "you cannot specify \`-o' more than once" + arg_mode=target + continue + ;; + + -pie | -fpie | -fPIE) + func_append pie_flag " $arg" + continue + ;; + + -shared | -static | -prefer-pic | -prefer-non-pic) + func_append later " $arg" + continue + ;; + + -no-suppress) + suppress_opt=no + continue + ;; + + -Xcompiler) + arg_mode=arg # the next one goes into the "base_compile" arg list + continue # The current "srcfile" will either be retained or + ;; # replaced later. I would guess that would be a bug. + + -Wc,*) + func_stripname '-Wc,' '' "$arg" + args=$func_stripname_result + lastarg= + save_ifs="$IFS"; IFS=',' + for arg in $args; do + IFS="$save_ifs" + func_append_quoted lastarg "$arg" + done + IFS="$save_ifs" + func_stripname ' ' '' "$lastarg" + lastarg=$func_stripname_result + + # Add the arguments to base_compile. + func_append base_compile " $lastarg" + continue + ;; + + *) + # Accept the current argument as the source file. + # The previous "srcfile" becomes the current argument. + # + lastarg="$srcfile" + srcfile="$arg" + ;; + esac # case $arg + ;; + esac # case $arg_mode + + # Aesthetically quote the previous argument. + func_append_quoted base_compile "$lastarg" + done # for arg + + case $arg_mode in + arg) + func_fatal_error "you must specify an argument for -Xcompile" + ;; + target) + func_fatal_error "you must specify a target with \`-o'" + ;; + *) + # Get the name of the library object. + test -z "$libobj" && { + func_basename "$srcfile" + libobj="$func_basename_result" + } + ;; + esac + + # Recognize several different file suffixes. + # If the user specifies -o file.o, it is replaced with file.lo + case $libobj in + *.[cCFSifmso] | \ + *.ada | *.adb | *.ads | *.asm | \ + *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ + *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) + func_xform "$libobj" + libobj=$func_xform_result + ;; + esac + + case $libobj in + *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; + *) + func_fatal_error "cannot determine name of library object from \`$libobj'" + ;; + esac + + func_infer_tag $base_compile + + for arg in $later; do + case $arg in + -shared) + test "$build_libtool_libs" != yes && \ + func_fatal_configuration "can not build a shared library" + build_old_libs=no + continue + ;; + + -static) + build_libtool_libs=no + build_old_libs=yes + continue + ;; + + -prefer-pic) + pic_mode=yes + continue + ;; + + -prefer-non-pic) + pic_mode=no + continue + ;; + esac + done + + func_quote_for_eval "$libobj" + test "X$libobj" != "X$func_quote_for_eval_result" \ + && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ + && func_warning "libobj name \`$libobj' may not contain shell special characters." + func_dirname_and_basename "$obj" "/" "" + objname="$func_basename_result" + xdir="$func_dirname_result" + lobj=${xdir}$objdir/$objname + + test -z "$base_compile" && \ + func_fatal_help "you must specify a compilation command" + + # Delete any leftover library objects. + if test "$build_old_libs" = yes; then + removelist="$obj $lobj $libobj ${libobj}T" + else + removelist="$lobj $libobj ${libobj}T" + fi + + # On Cygwin there's no "real" PIC flag so we must build both object types + case $host_os in + cygwin* | mingw* | pw32* | os2* | cegcc*) + pic_mode=default + ;; + esac + if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then + # non-PIC code in shared libraries is not supported + pic_mode=default + fi + + # Calculate the filename of the output object if compiler does + # not support -o with -c + if test "$compiler_c_o" = no; then + output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext} + lockfile="$output_obj.lock" + else + output_obj= + need_locks=no + lockfile= + fi + + # Lock this critical section if it is needed + # We use this script file to make the link, it avoids creating a new file + if test "$need_locks" = yes; then + until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do + func_echo "Waiting for $lockfile to be removed" + sleep 2 + done + elif test "$need_locks" = warn; then + if test -f "$lockfile"; then + $ECHO "\ +*** ERROR, $lockfile exists and contains: +`cat $lockfile 2>/dev/null` + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support \`-c' and \`-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + func_append removelist " $output_obj" + $ECHO "$srcfile" > "$lockfile" + fi + + $opt_dry_run || $RM $removelist + func_append removelist " $lockfile" + trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 + + func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 + srcfile=$func_to_tool_file_result + func_quote_for_eval "$srcfile" + qsrcfile=$func_quote_for_eval_result + + # Only build a PIC object if we are building libtool libraries. + if test "$build_libtool_libs" = yes; then + # Without this assignment, base_compile gets emptied. + fbsd_hideous_sh_bug=$base_compile + + if test "$pic_mode" != no; then + command="$base_compile $qsrcfile $pic_flag" + else + # Don't build PIC code + command="$base_compile $qsrcfile" + fi + + func_mkdir_p "$xdir$objdir" + + if test -z "$output_obj"; then + # Place PIC objects in $objdir + func_append command " -o $lobj" + fi + + func_show_eval_locale "$command" \ + 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' + + if test "$need_locks" = warn && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support \`-c' and \`-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed, then go on to compile the next one + if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then + func_show_eval '$MV "$output_obj" "$lobj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + + # Allow error messages only from the first compilation. + if test "$suppress_opt" = yes; then + suppress_output=' >/dev/null 2>&1' + fi + fi + + # Only build a position-dependent object if we build old libraries. + if test "$build_old_libs" = yes; then + if test "$pic_mode" != yes; then + # Don't build PIC code + command="$base_compile $qsrcfile$pie_flag" + else + command="$base_compile $qsrcfile $pic_flag" + fi + if test "$compiler_c_o" = yes; then + func_append command " -o $obj" + fi + + # Suppress compiler output if we already did a PIC compilation. + func_append command "$suppress_output" + func_show_eval_locale "$command" \ + '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' + + if test "$need_locks" = warn && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support \`-c' and \`-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed + if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then + func_show_eval '$MV "$output_obj" "$obj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + fi + + $opt_dry_run || { + func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" + + # Unlock the critical section if it was locked + if test "$need_locks" != no; then + removelist=$lockfile + $RM "$lockfile" + fi + } + + exit $EXIT_SUCCESS +} + +$opt_help || { + test "$opt_mode" = compile && func_mode_compile ${1+"$@"} +} + +func_mode_help () +{ + # We need to display help for each of the modes. + case $opt_mode in + "") + # Generic help is extracted from the usage comments + # at the start of this file. + func_help + ;; + + clean) + $ECHO \ +"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... + +Remove files from the build directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed +to RM. + +If FILE is a libtool library, object or program, all the files associated +with it are deleted. Otherwise, only FILE itself is deleted using RM." + ;; + + compile) + $ECHO \ +"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE + +Compile a source file into a libtool library object. + +This mode accepts the following additional options: + + -o OUTPUT-FILE set the output file name to OUTPUT-FILE + -no-suppress do not suppress compiler output for multiple passes + -prefer-pic try to build PIC objects only + -prefer-non-pic try to build non-PIC objects only + -shared do not build a \`.o' file suitable for static linking + -static only build a \`.o' file suitable for static linking + -Wc,FLAG pass FLAG directly to the compiler + +COMPILE-COMMAND is a command to be used in creating a \`standard' object file +from the given SOURCEFILE. + +The output file name is determined by removing the directory component from +SOURCEFILE, then substituting the C source code suffix \`.c' with the +library object suffix, \`.lo'." + ;; + + execute) + $ECHO \ +"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... + +Automatically set library path, then run a program. + +This mode accepts the following additional options: + + -dlopen FILE add the directory containing FILE to the library path + +This mode sets the library path environment variable according to \`-dlopen' +flags. + +If any of the ARGS are libtool executable wrappers, then they are translated +into their corresponding uninstalled binary, and any of their required library +directories are added to the library path. + +Then, COMMAND is executed, with ARGS as arguments." + ;; + + finish) + $ECHO \ +"Usage: $progname [OPTION]... --mode=finish [LIBDIR]... + +Complete the installation of libtool libraries. + +Each LIBDIR is a directory that contains libtool libraries. + +The commands that this mode executes may require superuser privileges. Use +the \`--dry-run' option if you just want to see what would be executed." + ;; + + install) + $ECHO \ +"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... + +Install executables or libraries. + +INSTALL-COMMAND is the installation command. The first component should be +either the \`install' or \`cp' program. + +The following components of INSTALL-COMMAND are treated specially: + + -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation + +The rest of the components are interpreted as arguments to that command (only +BSD-compatible install options are recognized)." + ;; + + link) + $ECHO \ +"Usage: $progname [OPTION]... --mode=link LINK-COMMAND... + +Link object files or libraries together to form another library, or to +create an executable program. + +LINK-COMMAND is a command using the C compiler that you would use to create +a program from several object files. + +The following components of LINK-COMMAND are treated specially: + + -all-static do not do any dynamic linking at all + -avoid-version do not add a version suffix if possible + -bindir BINDIR specify path to binaries directory (for systems where + libraries must be found in the PATH setting at runtime) + -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime + -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols + -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) + -export-symbols SYMFILE + try to export only the symbols listed in SYMFILE + -export-symbols-regex REGEX + try to export only the symbols matching REGEX + -LLIBDIR search LIBDIR for required installed libraries + -lNAME OUTPUT-FILE requires the installed library libNAME + -module build a library that can dlopened + -no-fast-install disable the fast-install mode + -no-install link a not-installable executable + -no-undefined declare that a library does not refer to external symbols + -o OUTPUT-FILE create OUTPUT-FILE from the specified objects + -objectlist FILE Use a list of object files found in FILE to specify objects + -precious-files-regex REGEX + don't remove output files matching REGEX + -release RELEASE specify package release information + -rpath LIBDIR the created library will eventually be installed in LIBDIR + -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries + -shared only do dynamic linking of libtool libraries + -shrext SUFFIX override the standard shared library file extension + -static do not do any dynamic linking of uninstalled libtool libraries + -static-libtool-libs + do not do any dynamic linking of libtool libraries + -version-info CURRENT[:REVISION[:AGE]] + specify library version info [each variable defaults to 0] + -weak LIBNAME declare that the target provides the LIBNAME interface + -Wc,FLAG + -Xcompiler FLAG pass linker-specific FLAG directly to the compiler + -Wl,FLAG + -Xlinker FLAG pass linker-specific FLAG directly to the linker + -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) + +All other options (arguments beginning with \`-') are ignored. + +Every other argument is treated as a filename. Files ending in \`.la' are +treated as uninstalled libtool libraries, other files are standard or library +object files. + +If the OUTPUT-FILE ends in \`.la', then a libtool library is created, +only library objects (\`.lo' files) may be specified, and \`-rpath' is +required, except when creating a convenience library. + +If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created +using \`ar' and \`ranlib', or on Windows using \`lib'. + +If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file +is created, otherwise an executable program is created." + ;; + + uninstall) + $ECHO \ +"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... + +Remove libraries from an installation directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed +to RM. + +If FILE is a libtool library, all the files associated with it are deleted. +Otherwise, only FILE itself is deleted using RM." + ;; + + *) + func_fatal_help "invalid operation mode \`$opt_mode'" + ;; + esac + + echo + $ECHO "Try \`$progname --help' for more information about other modes." +} + +# Now that we've collected a possible --mode arg, show help if necessary +if $opt_help; then + if test "$opt_help" = :; then + func_mode_help + else + { + func_help noexit + for opt_mode in compile link execute install finish uninstall clean; do + func_mode_help + done + } | sed -n '1p; 2,$s/^Usage:/ or: /p' + { + func_help noexit + for opt_mode in compile link execute install finish uninstall clean; do + echo + func_mode_help + done + } | + sed '1d + /^When reporting/,/^Report/{ + H + d + } + $x + /information about other modes/d + /more detailed .*MODE/d + s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' + fi + exit $? +fi + + +# func_mode_execute arg... +func_mode_execute () +{ + $opt_debug + # The first argument is the command name. + cmd="$nonopt" + test -z "$cmd" && \ + func_fatal_help "you must specify a COMMAND" + + # Handle -dlopen flags immediately. + for file in $opt_dlopen; do + test -f "$file" \ + || func_fatal_help "\`$file' is not a file" + + dir= + case $file in + *.la) + func_resolve_sysroot "$file" + file=$func_resolve_sysroot_result + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "\`$lib' is not a valid libtool archive" + + # Read the libtool library. + dlname= + library_names= + func_source "$file" + + # Skip this library if it cannot be dlopened. + if test -z "$dlname"; then + # Warn if it was a shared library. + test -n "$library_names" && \ + func_warning "\`$file' was not linked with \`-export-dynamic'" + continue + fi + + func_dirname "$file" "" "." + dir="$func_dirname_result" + + if test -f "$dir/$objdir/$dlname"; then + func_append dir "/$objdir" + else + if test ! -f "$dir/$dlname"; then + func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" + fi + fi + ;; + + *.lo) + # Just add the directory containing the .lo file. + func_dirname "$file" "" "." + dir="$func_dirname_result" + ;; + + *) + func_warning "\`-dlopen' is ignored for non-libtool libraries and objects" + continue + ;; + esac + + # Get the absolute pathname. + absdir=`cd "$dir" && pwd` + test -n "$absdir" && dir="$absdir" + + # Now add the directory to shlibpath_var. + if eval "test -z \"\$$shlibpath_var\""; then + eval "$shlibpath_var=\"\$dir\"" + else + eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" + fi + done + + # This variable tells wrapper scripts just to set shlibpath_var + # rather than running their programs. + libtool_execute_magic="$magic" + + # Check if any of the arguments is a wrapper script. + args= + for file + do + case $file in + -* | *.la | *.lo ) ;; + *) + # Do a test to see if this is really a libtool program. + if func_ltwrapper_script_p "$file"; then + func_source "$file" + # Transform arg to wrapped name. + file="$progdir/$program" + elif func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + func_source "$func_ltwrapper_scriptname_result" + # Transform arg to wrapped name. + file="$progdir/$program" + fi + ;; + esac + # Quote arguments (to preserve shell metacharacters). + func_append_quoted args "$file" + done + + if test "X$opt_dry_run" = Xfalse; then + if test -n "$shlibpath_var"; then + # Export the shlibpath_var. + eval "export $shlibpath_var" + fi + + # Restore saved environment variables + for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES + do + eval "if test \"\${save_$lt_var+set}\" = set; then + $lt_var=\$save_$lt_var; export $lt_var + else + $lt_unset $lt_var + fi" + done + + # Now prepare to actually exec the command. + exec_cmd="\$cmd$args" + else + # Display what would be done. + if test -n "$shlibpath_var"; then + eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" + echo "export $shlibpath_var" + fi + $ECHO "$cmd$args" + exit $EXIT_SUCCESS + fi +} + +test "$opt_mode" = execute && func_mode_execute ${1+"$@"} + + +# func_mode_finish arg... +func_mode_finish () +{ + $opt_debug + libs= + libdirs= + admincmds= + + for opt in "$nonopt" ${1+"$@"} + do + if test -d "$opt"; then + func_append libdirs " $opt" + + elif test -f "$opt"; then + if func_lalib_unsafe_p "$opt"; then + func_append libs " $opt" + else + func_warning "\`$opt' is not a valid libtool archive" + fi + + else + func_fatal_error "invalid argument \`$opt'" + fi + done + + if test -n "$libs"; then + if test -n "$lt_sysroot"; then + sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` + sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" + else + sysroot_cmd= + fi + + # Remove sysroot references + if $opt_dry_run; then + for lib in $libs; do + echo "removing references to $lt_sysroot and \`=' prefixes from $lib" + done + else + tmpdir=`func_mktempdir` + for lib in $libs; do + sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ + > $tmpdir/tmp-la + mv -f $tmpdir/tmp-la $lib + done + ${RM}r "$tmpdir" + fi + fi + + if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then + for libdir in $libdirs; do + if test -n "$finish_cmds"; then + # Do each command in the finish commands. + func_execute_cmds "$finish_cmds" 'admincmds="$admincmds +'"$cmd"'"' + fi + if test -n "$finish_eval"; then + # Do the single finish_eval. + eval cmds=\"$finish_eval\" + $opt_dry_run || eval "$cmds" || func_append admincmds " + $cmds" + fi + done + fi + + # Exit here if they wanted silent mode. + $opt_silent && exit $EXIT_SUCCESS + + if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then + echo "----------------------------------------------------------------------" + echo "Libraries have been installed in:" + for libdir in $libdirs; do + $ECHO " $libdir" + done + echo + echo "If you ever happen to want to link against installed libraries" + echo "in a given directory, LIBDIR, you must either use libtool, and" + echo "specify the full pathname of the library, or use the \`-LLIBDIR'" + echo "flag during linking and do at least one of the following:" + if test -n "$shlibpath_var"; then + echo " - add LIBDIR to the \`$shlibpath_var' environment variable" + echo " during execution" + fi + if test -n "$runpath_var"; then + echo " - add LIBDIR to the \`$runpath_var' environment variable" + echo " during linking" + fi + if test -n "$hardcode_libdir_flag_spec"; then + libdir=LIBDIR + eval flag=\"$hardcode_libdir_flag_spec\" + + $ECHO " - use the \`$flag' linker flag" + fi + if test -n "$admincmds"; then + $ECHO " - have your system administrator run these commands:$admincmds" + fi + if test -f /etc/ld.so.conf; then + echo " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'" + fi + echo + + echo "See any operating system documentation about shared libraries for" + case $host in + solaris2.[6789]|solaris2.1[0-9]) + echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" + echo "pages." + ;; + *) + echo "more information, such as the ld(1) and ld.so(8) manual pages." + ;; + esac + echo "----------------------------------------------------------------------" + fi + exit $EXIT_SUCCESS +} + +test "$opt_mode" = finish && func_mode_finish ${1+"$@"} + + +# func_mode_install arg... +func_mode_install () +{ + $opt_debug + # There may be an optional sh(1) argument at the beginning of + # install_prog (especially on Windows NT). + if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh || + # Allow the use of GNU shtool's install command. + case $nonopt in *shtool*) :;; *) false;; esac; then + # Aesthetically quote it. + func_quote_for_eval "$nonopt" + install_prog="$func_quote_for_eval_result " + arg=$1 + shift + else + install_prog= + arg=$nonopt + fi + + # The real first argument should be the name of the installation program. + # Aesthetically quote it. + func_quote_for_eval "$arg" + func_append install_prog "$func_quote_for_eval_result" + install_shared_prog=$install_prog + case " $install_prog " in + *[\\\ /]cp\ *) install_cp=: ;; + *) install_cp=false ;; + esac + + # We need to accept at least all the BSD install flags. + dest= + files= + opts= + prev= + install_type= + isdir=no + stripme= + no_mode=: + for arg + do + arg2= + if test -n "$dest"; then + func_append files " $dest" + dest=$arg + continue + fi + + case $arg in + -d) isdir=yes ;; + -f) + if $install_cp; then :; else + prev=$arg + fi + ;; + -g | -m | -o) + prev=$arg + ;; + -s) + stripme=" -s" + continue + ;; + -*) + ;; + *) + # If the previous option needed an argument, then skip it. + if test -n "$prev"; then + if test "x$prev" = x-m && test -n "$install_override_mode"; then + arg2=$install_override_mode + no_mode=false + fi + prev= + else + dest=$arg + continue + fi + ;; + esac + + # Aesthetically quote the argument. + func_quote_for_eval "$arg" + func_append install_prog " $func_quote_for_eval_result" + if test -n "$arg2"; then + func_quote_for_eval "$arg2" + fi + func_append install_shared_prog " $func_quote_for_eval_result" + done + + test -z "$install_prog" && \ + func_fatal_help "you must specify an install program" + + test -n "$prev" && \ + func_fatal_help "the \`$prev' option requires an argument" + + if test -n "$install_override_mode" && $no_mode; then + if $install_cp; then :; else + func_quote_for_eval "$install_override_mode" + func_append install_shared_prog " -m $func_quote_for_eval_result" + fi + fi + + if test -z "$files"; then + if test -z "$dest"; then + func_fatal_help "no file or destination specified" + else + func_fatal_help "you must specify a destination" + fi + fi + + # Strip any trailing slash from the destination. + func_stripname '' '/' "$dest" + dest=$func_stripname_result + + # Check to see that the destination is a directory. + test -d "$dest" && isdir=yes + if test "$isdir" = yes; then + destdir="$dest" + destname= + else + func_dirname_and_basename "$dest" "" "." + destdir="$func_dirname_result" + destname="$func_basename_result" + + # Not a directory, so check to see that there is only one file specified. + set dummy $files; shift + test "$#" -gt 1 && \ + func_fatal_help "\`$dest' is not a directory" + fi + case $destdir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + for file in $files; do + case $file in + *.lo) ;; + *) + func_fatal_help "\`$destdir' must be an absolute directory name" + ;; + esac + done + ;; + esac + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic="$magic" + + staticlibs= + future_libdirs= + current_libdirs= + for file in $files; do + + # Do each installation. + case $file in + *.$libext) + # Do the static libraries later. + func_append staticlibs " $file" + ;; + + *.la) + func_resolve_sysroot "$file" + file=$func_resolve_sysroot_result + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "\`$file' is not a valid libtool archive" + + library_names= + old_library= + relink_command= + func_source "$file" + + # Add the libdir to current_libdirs if it is the destination. + if test "X$destdir" = "X$libdir"; then + case "$current_libdirs " in + *" $libdir "*) ;; + *) func_append current_libdirs " $libdir" ;; + esac + else + # Note the libdir as a future libdir. + case "$future_libdirs " in + *" $libdir "*) ;; + *) func_append future_libdirs " $libdir" ;; + esac + fi + + func_dirname "$file" "/" "" + dir="$func_dirname_result" + func_append dir "$objdir" + + if test -n "$relink_command"; then + # Determine the prefix the user has applied to our future dir. + inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` + + # Don't allow the user to place us outside of our expected + # location b/c this prevents finding dependent libraries that + # are installed to the same prefix. + # At present, this check doesn't affect windows .dll's that + # are installed into $libdir/../bin (currently, that works fine) + # but it's something to keep an eye on. + test "$inst_prefix_dir" = "$destdir" && \ + func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" + + if test -n "$inst_prefix_dir"; then + # Stick the inst_prefix_dir data into the link command. + relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` + else + relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` + fi + + func_warning "relinking \`$file'" + func_show_eval "$relink_command" \ + 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' + fi + + # See the names of the shared library. + set dummy $library_names; shift + if test -n "$1"; then + realname="$1" + shift + + srcname="$realname" + test -n "$relink_command" && srcname="$realname"T + + # Install the shared library and build the symlinks. + func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ + 'exit $?' + tstripme="$stripme" + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + case $realname in + *.dll.a) + tstripme="" + ;; + esac + ;; + esac + if test -n "$tstripme" && test -n "$striplib"; then + func_show_eval "$striplib $destdir/$realname" 'exit $?' + fi + + if test "$#" -gt 0; then + # Delete the old symlinks, and create new ones. + # Try `ln -sf' first, because the `ln' binary might depend on + # the symlink we replace! Solaris /bin/ln does not understand -f, + # so we also need to try rm && ln -s. + for linkname + do + test "$linkname" != "$realname" \ + && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" + done + fi + + # Do each command in the postinstall commands. + lib="$destdir/$realname" + func_execute_cmds "$postinstall_cmds" 'exit $?' + fi + + # Install the pseudo-library for information purposes. + func_basename "$file" + name="$func_basename_result" + instname="$dir/$name"i + func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' + + # Maybe install the static library, too. + test -n "$old_library" && func_append staticlibs " $dir/$old_library" + ;; + + *.lo) + # Install (i.e. copy) a libtool object. + + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile="$destdir/$destname" + else + func_basename "$file" + destfile="$func_basename_result" + destfile="$destdir/$destfile" + fi + + # Deduce the name of the destination old-style object file. + case $destfile in + *.lo) + func_lo2o "$destfile" + staticdest=$func_lo2o_result + ;; + *.$objext) + staticdest="$destfile" + destfile= + ;; + *) + func_fatal_help "cannot copy a libtool object to \`$destfile'" + ;; + esac + + # Install the libtool object if requested. + test -n "$destfile" && \ + func_show_eval "$install_prog $file $destfile" 'exit $?' + + # Install the old object if enabled. + if test "$build_old_libs" = yes; then + # Deduce the name of the old-style object file. + func_lo2o "$file" + staticobj=$func_lo2o_result + func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' + fi + exit $EXIT_SUCCESS + ;; + + *) + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile="$destdir/$destname" + else + func_basename "$file" + destfile="$func_basename_result" + destfile="$destdir/$destfile" + fi + + # If the file is missing, and there is a .exe on the end, strip it + # because it is most likely a libtool script we actually want to + # install + stripped_ext="" + case $file in + *.exe) + if test ! -f "$file"; then + func_stripname '' '.exe' "$file" + file=$func_stripname_result + stripped_ext=".exe" + fi + ;; + esac + + # Do a test to see if this is really a libtool program. + case $host in + *cygwin* | *mingw*) + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + wrapper=$func_ltwrapper_scriptname_result + else + func_stripname '' '.exe' "$file" + wrapper=$func_stripname_result + fi + ;; + *) + wrapper=$file + ;; + esac + if func_ltwrapper_script_p "$wrapper"; then + notinst_deplibs= + relink_command= + + func_source "$wrapper" + + # Check the variables that should have been set. + test -z "$generated_by_libtool_version" && \ + func_fatal_error "invalid libtool wrapper script \`$wrapper'" + + finalize=yes + for lib in $notinst_deplibs; do + # Check to see that each library is installed. + libdir= + if test -f "$lib"; then + func_source "$lib" + fi + libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test + if test -n "$libdir" && test ! -f "$libfile"; then + func_warning "\`$lib' has not been installed in \`$libdir'" + finalize=no + fi + done + + relink_command= + func_source "$wrapper" + + outputname= + if test "$fast_install" = no && test -n "$relink_command"; then + $opt_dry_run || { + if test "$finalize" = yes; then + tmpdir=`func_mktempdir` + func_basename "$file$stripped_ext" + file="$func_basename_result" + outputname="$tmpdir/$file" + # Replace the output file specification. + relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` + + $opt_silent || { + func_quote_for_expand "$relink_command" + eval "func_echo $func_quote_for_expand_result" + } + if eval "$relink_command"; then : + else + func_error "error: relink \`$file' with the above command before installing it" + $opt_dry_run || ${RM}r "$tmpdir" + continue + fi + file="$outputname" + else + func_warning "cannot relink \`$file'" + fi + } + else + # Install the binary that we compiled earlier. + file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` + fi + fi + + # remove .exe since cygwin /usr/bin/install will append another + # one anyway + case $install_prog,$host in + */usr/bin/install*,*cygwin*) + case $file:$destfile in + *.exe:*.exe) + # this is ok + ;; + *.exe:*) + destfile=$destfile.exe + ;; + *:*.exe) + func_stripname '' '.exe' "$destfile" + destfile=$func_stripname_result + ;; + esac + ;; + esac + func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' + $opt_dry_run || if test -n "$outputname"; then + ${RM}r "$tmpdir" + fi + ;; + esac + done + + for file in $staticlibs; do + func_basename "$file" + name="$func_basename_result" + + # Set up the ranlib parameters. + oldlib="$destdir/$name" + func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 + tool_oldlib=$func_to_tool_file_result + + func_show_eval "$install_prog \$file \$oldlib" 'exit $?' + + if test -n "$stripme" && test -n "$old_striplib"; then + func_show_eval "$old_striplib $tool_oldlib" 'exit $?' + fi + + # Do each command in the postinstall commands. + func_execute_cmds "$old_postinstall_cmds" 'exit $?' + done + + test -n "$future_libdirs" && \ + func_warning "remember to run \`$progname --finish$future_libdirs'" + + if test -n "$current_libdirs"; then + # Maybe just do a dry run. + $opt_dry_run && current_libdirs=" -n$current_libdirs" + exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' + else + exit $EXIT_SUCCESS + fi +} + +test "$opt_mode" = install && func_mode_install ${1+"$@"} + + +# func_generate_dlsyms outputname originator pic_p +# Extract symbols from dlprefiles and create ${outputname}S.o with +# a dlpreopen symbol table. +func_generate_dlsyms () +{ + $opt_debug + my_outputname="$1" + my_originator="$2" + my_pic_p="${3-no}" + my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` + my_dlsyms= + + if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then + if test -n "$NM" && test -n "$global_symbol_pipe"; then + my_dlsyms="${my_outputname}S.c" + else + func_error "not configured to extract global symbols from dlpreopened files" + fi + fi + + if test -n "$my_dlsyms"; then + case $my_dlsyms in + "") ;; + *.c) + # Discover the nlist of each of the dlfiles. + nlist="$output_objdir/${my_outputname}.nm" + + func_show_eval "$RM $nlist ${nlist}S ${nlist}T" + + # Parse the name list into a source file. + func_verbose "creating $output_objdir/$my_dlsyms" + + $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ +/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ +/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ + +#ifdef __cplusplus +extern \"C\" { +#endif + +#if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) +#pragma GCC diagnostic ignored \"-Wstrict-prototypes\" +#endif + +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) +/* DATA imports from DLLs on WIN32 con't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT_DLSYM_CONST +#elif defined(__osf__) +/* This system does not cope well with relocations in const data. */ +# define LT_DLSYM_CONST +#else +# define LT_DLSYM_CONST const +#endif + +/* External symbol declarations for the compiler. */\ +" + + if test "$dlself" = yes; then + func_verbose "generating symbol list for \`$output'" + + $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" + + # Add our own program objects to the symbol list. + progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` + for progfile in $progfiles; do + func_to_tool_file "$progfile" func_convert_file_msys_to_w32 + func_verbose "extracting global C symbols from \`$func_to_tool_file_result'" + $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" + done + + if test -n "$exclude_expsyms"; then + $opt_dry_run || { + eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + if test -n "$export_symbols_regex"; then + $opt_dry_run || { + eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + export_symbols="$output_objdir/$outputname.exp" + $opt_dry_run || { + $RM $export_symbols + eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' + case $host in + *cygwin* | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' + ;; + esac + } + else + $opt_dry_run || { + eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' + eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + case $host in + *cygwin* | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' + ;; + esac + } + fi + fi + + for dlprefile in $dlprefiles; do + func_verbose "extracting global C symbols from \`$dlprefile'" + func_basename "$dlprefile" + name="$func_basename_result" + case $host in + *cygwin* | *mingw* | *cegcc* ) + # if an import library, we need to obtain dlname + if func_win32_import_lib_p "$dlprefile"; then + func_tr_sh "$dlprefile" + eval "curr_lafile=\$libfile_$func_tr_sh_result" + dlprefile_dlbasename="" + if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then + # Use subshell, to avoid clobbering current variable values + dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` + if test -n "$dlprefile_dlname" ; then + func_basename "$dlprefile_dlname" + dlprefile_dlbasename="$func_basename_result" + else + # no lafile. user explicitly requested -dlpreopen . + $sharedlib_from_linklib_cmd "$dlprefile" + dlprefile_dlbasename=$sharedlib_from_linklib_result + fi + fi + $opt_dry_run || { + if test -n "$dlprefile_dlbasename" ; then + eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' + else + func_warning "Could not compute DLL name from $name" + eval '$ECHO ": $name " >> "$nlist"' + fi + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | + $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" + } + else # not an import lib + $opt_dry_run || { + eval '$ECHO ": $name " >> "$nlist"' + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" + } + fi + ;; + *) + $opt_dry_run || { + eval '$ECHO ": $name " >> "$nlist"' + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" + } + ;; + esac + done + + $opt_dry_run || { + # Make sure we have at least an empty file. + test -f "$nlist" || : > "$nlist" + + if test -n "$exclude_expsyms"; then + $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T + $MV "$nlist"T "$nlist" + fi + + # Try sorting and uniquifying the output. + if $GREP -v "^: " < "$nlist" | + if sort -k 3 /dev/null 2>&1; then + sort -k 3 + else + sort +2 + fi | + uniq > "$nlist"S; then + : + else + $GREP -v "^: " < "$nlist" > "$nlist"S + fi + + if test -f "$nlist"S; then + eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' + else + echo '/* NONE */' >> "$output_objdir/$my_dlsyms" + fi + + echo >> "$output_objdir/$my_dlsyms" "\ + +/* The mapping between symbol names and symbols. */ +typedef struct { + const char *name; + void *address; +} lt_dlsymlist; +extern LT_DLSYM_CONST lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[]; +LT_DLSYM_CONST lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[] = +{\ + { \"$my_originator\", (void *) 0 }," + + case $need_lib_prefix in + no) + eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + *) + eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + esac + echo >> "$output_objdir/$my_dlsyms" "\ + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt_${my_prefix}_LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif\ +" + } # !$opt_dry_run + + pic_flag_for_symtable= + case "$compile_command " in + *" -static "*) ;; + *) + case $host in + # compiling the symbol table file with pic_flag works around + # a FreeBSD bug that causes programs to crash when -lm is + # linked before any other PIC object. But we must not use + # pic_flag when linking with -static. The problem exists in + # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. + *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) + pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; + *-*-hpux*) + pic_flag_for_symtable=" $pic_flag" ;; + *) + if test "X$my_pic_p" != Xno; then + pic_flag_for_symtable=" $pic_flag" + fi + ;; + esac + ;; + esac + symtab_cflags= + for arg in $LTCFLAGS; do + case $arg in + -pie | -fpie | -fPIE) ;; + *) func_append symtab_cflags " $arg" ;; + esac + done + + # Now compile the dynamic symbol file. + func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' + + # Clean up the generated files. + func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' + + # Transform the symbol file into the correct name. + symfileobj="$output_objdir/${my_outputname}S.$objext" + case $host in + *cygwin* | *mingw* | *cegcc* ) + if test -f "$output_objdir/$my_outputname.def"; then + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + else + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` + fi + ;; + *) + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` + ;; + esac + ;; + *) + func_fatal_error "unknown suffix for \`$my_dlsyms'" + ;; + esac + else + # We keep going just in case the user didn't refer to + # lt_preloaded_symbols. The linker will fail if global_symbol_pipe + # really was required. + + # Nullify the symbol file. + compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` + fi +} + +# func_win32_libid arg +# return the library type of file 'arg' +# +# Need a lot of goo to handle *both* DLLs and import libs +# Has to be a shell function in order to 'eat' the argument +# that is supplied when $file_magic_command is called. +# Despite the name, also deal with 64 bit binaries. +func_win32_libid () +{ + $opt_debug + win32_libid_type="unknown" + win32_fileres=`file -L $1 2>/dev/null` + case $win32_fileres in + *ar\ archive\ import\ library*) # definitely import + win32_libid_type="x86 archive import" + ;; + *ar\ archive*) # could be an import, or static + # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. + if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | + $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then + func_to_tool_file "$1" func_convert_file_msys_to_w32 + win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | + $SED -n -e ' + 1,100{ + / I /{ + s,.*,import, + p + q + } + }'` + case $win32_nmres in + import*) win32_libid_type="x86 archive import";; + *) win32_libid_type="x86 archive static";; + esac + fi + ;; + *DLL*) + win32_libid_type="x86 DLL" + ;; + *executable*) # but shell scripts are "executable" too... + case $win32_fileres in + *MS\ Windows\ PE\ Intel*) + win32_libid_type="x86 DLL" + ;; + esac + ;; + esac + $ECHO "$win32_libid_type" +} + +# func_cygming_dll_for_implib ARG +# +# Platform-specific function to extract the +# name of the DLL associated with the specified +# import library ARG. +# Invoked by eval'ing the libtool variable +# $sharedlib_from_linklib_cmd +# Result is available in the variable +# $sharedlib_from_linklib_result +func_cygming_dll_for_implib () +{ + $opt_debug + sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` +} + +# func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs +# +# The is the core of a fallback implementation of a +# platform-specific function to extract the name of the +# DLL associated with the specified import library LIBNAME. +# +# SECTION_NAME is either .idata$6 or .idata$7, depending +# on the platform and compiler that created the implib. +# +# Echos the name of the DLL associated with the +# specified import library. +func_cygming_dll_for_implib_fallback_core () +{ + $opt_debug + match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` + $OBJDUMP -s --section "$1" "$2" 2>/dev/null | + $SED '/^Contents of section '"$match_literal"':/{ + # Place marker at beginning of archive member dllname section + s/.*/====MARK====/ + p + d + } + # These lines can sometimes be longer than 43 characters, but + # are always uninteresting + /:[ ]*file format pe[i]\{,1\}-/d + /^In archive [^:]*:/d + # Ensure marker is printed + /^====MARK====/p + # Remove all lines with less than 43 characters + /^.\{43\}/!d + # From remaining lines, remove first 43 characters + s/^.\{43\}//' | + $SED -n ' + # Join marker and all lines until next marker into a single line + /^====MARK====/ b para + H + $ b para + b + :para + x + s/\n//g + # Remove the marker + s/^====MARK====// + # Remove trailing dots and whitespace + s/[\. \t]*$// + # Print + /./p' | + # we now have a list, one entry per line, of the stringified + # contents of the appropriate section of all members of the + # archive which possess that section. Heuristic: eliminate + # all those which have a first or second character that is + # a '.' (that is, objdump's representation of an unprintable + # character.) This should work for all archives with less than + # 0x302f exports -- but will fail for DLLs whose name actually + # begins with a literal '.' or a single character followed by + # a '.'. + # + # Of those that remain, print the first one. + $SED -e '/^\./d;/^.\./d;q' +} + +# func_cygming_gnu_implib_p ARG +# This predicate returns with zero status (TRUE) if +# ARG is a GNU/binutils-style import library. Returns +# with nonzero status (FALSE) otherwise. +func_cygming_gnu_implib_p () +{ + $opt_debug + func_to_tool_file "$1" func_convert_file_msys_to_w32 + func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` + test -n "$func_cygming_gnu_implib_tmp" +} + +# func_cygming_ms_implib_p ARG +# This predicate returns with zero status (TRUE) if +# ARG is an MS-style import library. Returns +# with nonzero status (FALSE) otherwise. +func_cygming_ms_implib_p () +{ + $opt_debug + func_to_tool_file "$1" func_convert_file_msys_to_w32 + func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` + test -n "$func_cygming_ms_implib_tmp" +} + +# func_cygming_dll_for_implib_fallback ARG +# Platform-specific function to extract the +# name of the DLL associated with the specified +# import library ARG. +# +# This fallback implementation is for use when $DLLTOOL +# does not support the --identify-strict option. +# Invoked by eval'ing the libtool variable +# $sharedlib_from_linklib_cmd +# Result is available in the variable +# $sharedlib_from_linklib_result +func_cygming_dll_for_implib_fallback () +{ + $opt_debug + if func_cygming_gnu_implib_p "$1" ; then + # binutils import library + sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` + elif func_cygming_ms_implib_p "$1" ; then + # ms-generated import library + sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` + else + # unknown + sharedlib_from_linklib_result="" + fi +} + + +# func_extract_an_archive dir oldlib +func_extract_an_archive () +{ + $opt_debug + f_ex_an_ar_dir="$1"; shift + f_ex_an_ar_oldlib="$1" + if test "$lock_old_archive_extraction" = yes; then + lockfile=$f_ex_an_ar_oldlib.lock + until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do + func_echo "Waiting for $lockfile to be removed" + sleep 2 + done + fi + func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ + 'stat=$?; rm -f "$lockfile"; exit $stat' + if test "$lock_old_archive_extraction" = yes; then + $opt_dry_run || rm -f "$lockfile" + fi + if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then + : + else + func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" + fi +} + + +# func_extract_archives gentop oldlib ... +func_extract_archives () +{ + $opt_debug + my_gentop="$1"; shift + my_oldlibs=${1+"$@"} + my_oldobjs="" + my_xlib="" + my_xabs="" + my_xdir="" + + for my_xlib in $my_oldlibs; do + # Extract the objects. + case $my_xlib in + [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; + *) my_xabs=`pwd`"/$my_xlib" ;; + esac + func_basename "$my_xlib" + my_xlib="$func_basename_result" + my_xlib_u=$my_xlib + while :; do + case " $extracted_archives " in + *" $my_xlib_u "*) + func_arith $extracted_serial + 1 + extracted_serial=$func_arith_result + my_xlib_u=lt$extracted_serial-$my_xlib ;; + *) break ;; + esac + done + extracted_archives="$extracted_archives $my_xlib_u" + my_xdir="$my_gentop/$my_xlib_u" + + func_mkdir_p "$my_xdir" + + case $host in + *-darwin*) + func_verbose "Extracting $my_xabs" + # Do not bother doing anything if just a dry run + $opt_dry_run || { + darwin_orig_dir=`pwd` + cd $my_xdir || exit $? + darwin_archive=$my_xabs + darwin_curdir=`pwd` + darwin_base_archive=`basename "$darwin_archive"` + darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` + if test -n "$darwin_arches"; then + darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` + darwin_arch= + func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" + for darwin_arch in $darwin_arches ; do + func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" + $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" + cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" + func_extract_an_archive "`pwd`" "${darwin_base_archive}" + cd "$darwin_curdir" + $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" + done # $darwin_arches + ## Okay now we've a bunch of thin objects, gotta fatten them up :) + darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` + darwin_file= + darwin_files= + for darwin_file in $darwin_filelist; do + darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` + $LIPO -create -output "$darwin_file" $darwin_files + done # $darwin_filelist + $RM -rf unfat-$$ + cd "$darwin_orig_dir" + else + cd $darwin_orig_dir + func_extract_an_archive "$my_xdir" "$my_xabs" + fi # $darwin_arches + } # !$opt_dry_run + ;; + *) + func_extract_an_archive "$my_xdir" "$my_xabs" + ;; + esac + my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` + done + + func_extract_archives_result="$my_oldobjs" +} + + +# func_emit_wrapper [arg=no] +# +# Emit a libtool wrapper script on stdout. +# Don't directly open a file because we may want to +# incorporate the script contents within a cygwin/mingw +# wrapper executable. Must ONLY be called from within +# func_mode_link because it depends on a number of variables +# set therein. +# +# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR +# variable will take. If 'yes', then the emitted script +# will assume that the directory in which it is stored is +# the $objdir directory. This is a cygwin/mingw-specific +# behavior. +func_emit_wrapper () +{ + func_emit_wrapper_arg1=${1-no} + + $ECHO "\ +#! $SHELL + +# $output - temporary wrapper script for $objdir/$outputname +# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION +# +# The $output program cannot be directly executed until all the libtool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='$sed_quote_subst' + +# Be Bourne compatible +if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command=\"$relink_command\" + +# This environment variable determines our operation mode. +if test \"\$libtool_install_magic\" = \"$magic\"; then + # install mode needs the following variables: + generated_by_libtool_version='$macro_version' + notinst_deplibs='$notinst_deplibs' +else + # When we are sourced in execute mode, \$file and \$ECHO are already set. + if test \"\$libtool_execute_magic\" != \"$magic\"; then + file=\"\$0\"" + + qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` + $ECHO "\ + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + ECHO=\"$qECHO\" + fi + +# Very basic option parsing. These options are (a) specific to +# the libtool wrapper, (b) are identical between the wrapper +# /script/ and the wrapper /executable/ which is used only on +# windows platforms, and (c) all begin with the string "--lt-" +# (application programs are unlikely to have options which match +# this pattern). +# +# There are only two supported options: --lt-debug and +# --lt-dump-script. There is, deliberately, no --lt-help. +# +# The first argument to this parsing function should be the +# script's $0 value, followed by "$@". +lt_option_debug= +func_parse_lt_options () +{ + lt_script_arg0=\$0 + shift + for lt_opt + do + case \"\$lt_opt\" in + --lt-debug) lt_option_debug=1 ;; + --lt-dump-script) + lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` + test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. + lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` + cat \"\$lt_dump_D/\$lt_dump_F\" + exit 0 + ;; + --lt-*) + \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 + exit 1 + ;; + esac + done + + # Print the debug banner immediately: + if test -n \"\$lt_option_debug\"; then + echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2 + fi +} + +# Used when --lt-debug. Prints its arguments to stdout +# (redirection is the responsibility of the caller) +func_lt_dump_args () +{ + lt_dump_args_N=1; + for lt_arg + do + \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\" + lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` + done +} + +# Core function for launching the target application +func_exec_program_core () +{ +" + case $host in + # Backslashes separate directories on plain windows + *-*-mingw | *-*-os2* | *-cegcc*) + $ECHO "\ + if test -n \"\$lt_option_debug\"; then + \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2 + func_lt_dump_args \${1+\"\$@\"} 1>&2 + fi + exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} +" + ;; + + *) + $ECHO "\ + if test -n \"\$lt_option_debug\"; then + \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2 + func_lt_dump_args \${1+\"\$@\"} 1>&2 + fi + exec \"\$progdir/\$program\" \${1+\"\$@\"} +" + ;; + esac + $ECHO "\ + \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 + exit 1 +} + +# A function to encapsulate launching the target application +# Strips options in the --lt-* namespace from \$@ and +# launches target application with the remaining arguments. +func_exec_program () +{ + case \" \$* \" in + *\\ --lt-*) + for lt_wr_arg + do + case \$lt_wr_arg in + --lt-*) ;; + *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; + esac + shift + done ;; + esac + func_exec_program_core \${1+\"\$@\"} +} + + # Parse options + func_parse_lt_options \"\$0\" \${1+\"\$@\"} + + # Find the directory that this script lives in. + thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` + test \"x\$thisdir\" = \"x\$file\" && thisdir=. + + # Follow symbolic links until we get to the real thisdir. + file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` + while test -n \"\$file\"; do + destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` + + # If there was a directory component, then change thisdir. + if test \"x\$destdir\" != \"x\$file\"; then + case \"\$destdir\" in + [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; + *) thisdir=\"\$thisdir/\$destdir\" ;; + esac + fi + + file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` + file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` + done + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 + if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then + # special case for '.' + if test \"\$thisdir\" = \".\"; then + thisdir=\`pwd\` + fi + # remove .libs from thisdir + case \"\$thisdir\" in + *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; + $objdir ) thisdir=. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=\`cd \"\$thisdir\" && pwd\` + test -n \"\$absdir\" && thisdir=\"\$absdir\" +" + + if test "$fast_install" = yes; then + $ECHO "\ + program=lt-'$outputname'$exeext + progdir=\"\$thisdir/$objdir\" + + if test ! -f \"\$progdir/\$program\" || + { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ + test \"X\$file\" != \"X\$progdir/\$program\"; }; then + + file=\"\$\$-\$program\" + + if test ! -d \"\$progdir\"; then + $MKDIR \"\$progdir\" + else + $RM \"\$progdir/\$file\" + fi" + + $ECHO "\ + + # relink executable if necessary + if test -n \"\$relink_command\"; then + if relink_command_output=\`eval \$relink_command 2>&1\`; then : + else + $ECHO \"\$relink_command_output\" >&2 + $RM \"\$progdir/\$file\" + exit 1 + fi + fi + + $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || + { $RM \"\$progdir/\$program\"; + $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } + $RM \"\$progdir/\$file\" + fi" + else + $ECHO "\ + program='$outputname' + progdir=\"\$thisdir/$objdir\" +" + fi + + $ECHO "\ + + if test -f \"\$progdir/\$program\"; then" + + # fixup the dll searchpath if we need to. + # + # Fix the DLL searchpath if we need to. Do this before prepending + # to shlibpath, because on Windows, both are PATH and uninstalled + # libraries must come first. + if test -n "$dllsearchpath"; then + $ECHO "\ + # Add the dll search path components to the executable PATH + PATH=$dllsearchpath:\$PATH +" + fi + + # Export our shlibpath_var if we have one. + if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then + $ECHO "\ + # Add our own library path to $shlibpath_var + $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" + + # Some systems cannot cope with colon-terminated $shlibpath_var + # The second colon is a workaround for a bug in BeOS R4 sed + $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` + + export $shlibpath_var +" + fi + + $ECHO "\ + if test \"\$libtool_execute_magic\" != \"$magic\"; then + # Run the actual program with our arguments. + func_exec_program \${1+\"\$@\"} + fi + else + # The program doesn't exist. + \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 + \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 + \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 + exit 1 + fi +fi\ +" +} + + +# func_emit_cwrapperexe_src +# emit the source code for a wrapper executable on stdout +# Must ONLY be called from within func_mode_link because +# it depends on a number of variable set therein. +func_emit_cwrapperexe_src () +{ + cat < +#include +#ifdef _MSC_VER +# include +# include +# include +#else +# include +# include +# ifdef __CYGWIN__ +# include +# endif +#endif +#include +#include +#include +#include +#include +#include +#include +#include + +/* declarations of non-ANSI functions */ +#if defined(__MINGW32__) +# ifdef __STRICT_ANSI__ +int _putenv (const char *); +# endif +#elif defined(__CYGWIN__) +# ifdef __STRICT_ANSI__ +char *realpath (const char *, char *); +int putenv (char *); +int setenv (const char *, const char *, int); +# endif +/* #elif defined (other platforms) ... */ +#endif + +/* portability defines, excluding path handling macros */ +#if defined(_MSC_VER) +# define setmode _setmode +# define stat _stat +# define chmod _chmod +# define getcwd _getcwd +# define putenv _putenv +# define S_IXUSR _S_IEXEC +# ifndef _INTPTR_T_DEFINED +# define _INTPTR_T_DEFINED +# define intptr_t int +# endif +#elif defined(__MINGW32__) +# define setmode _setmode +# define stat _stat +# define chmod _chmod +# define getcwd _getcwd +# define putenv _putenv +#elif defined(__CYGWIN__) +# define HAVE_SETENV +# define FOPEN_WB "wb" +/* #elif defined (other platforms) ... */ +#endif + +#if defined(PATH_MAX) +# define LT_PATHMAX PATH_MAX +#elif defined(MAXPATHLEN) +# define LT_PATHMAX MAXPATHLEN +#else +# define LT_PATHMAX 1024 +#endif + +#ifndef S_IXOTH +# define S_IXOTH 0 +#endif +#ifndef S_IXGRP +# define S_IXGRP 0 +#endif + +/* path handling portability macros */ +#ifndef DIR_SEPARATOR +# define DIR_SEPARATOR '/' +# define PATH_SEPARATOR ':' +#endif + +#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ + defined (__OS2__) +# define HAVE_DOS_BASED_FILE_SYSTEM +# define FOPEN_WB "wb" +# ifndef DIR_SEPARATOR_2 +# define DIR_SEPARATOR_2 '\\' +# endif +# ifndef PATH_SEPARATOR_2 +# define PATH_SEPARATOR_2 ';' +# endif +#endif + +#ifndef DIR_SEPARATOR_2 +# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) +#else /* DIR_SEPARATOR_2 */ +# define IS_DIR_SEPARATOR(ch) \ + (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) +#endif /* DIR_SEPARATOR_2 */ + +#ifndef PATH_SEPARATOR_2 +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) +#else /* PATH_SEPARATOR_2 */ +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) +#endif /* PATH_SEPARATOR_2 */ + +#ifndef FOPEN_WB +# define FOPEN_WB "w" +#endif +#ifndef _O_BINARY +# define _O_BINARY 0 +#endif + +#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) +#define XFREE(stale) do { \ + if (stale) { free ((void *) stale); stale = 0; } \ +} while (0) + +#if defined(LT_DEBUGWRAPPER) +static int lt_debug = 1; +#else +static int lt_debug = 0; +#endif + +const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ + +void *xmalloc (size_t num); +char *xstrdup (const char *string); +const char *base_name (const char *name); +char *find_executable (const char *wrapper); +char *chase_symlinks (const char *pathspec); +int make_executable (const char *path); +int check_executable (const char *path); +char *strendzap (char *str, const char *pat); +void lt_debugprintf (const char *file, int line, const char *fmt, ...); +void lt_fatal (const char *file, int line, const char *message, ...); +static const char *nonnull (const char *s); +static const char *nonempty (const char *s); +void lt_setenv (const char *name, const char *value); +char *lt_extend_str (const char *orig_value, const char *add, int to_end); +void lt_update_exe_path (const char *name, const char *value); +void lt_update_lib_path (const char *name, const char *value); +char **prepare_spawn (char **argv); +void lt_dump_script (FILE *f); +EOF + + cat <= 0) + && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) + return 1; + else + return 0; +} + +int +make_executable (const char *path) +{ + int rval = 0; + struct stat st; + + lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", + nonempty (path)); + if ((!path) || (!*path)) + return 0; + + if (stat (path, &st) >= 0) + { + rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); + } + return rval; +} + +/* Searches for the full path of the wrapper. Returns + newly allocated full path name if found, NULL otherwise + Does not chase symlinks, even on platforms that support them. +*/ +char * +find_executable (const char *wrapper) +{ + int has_slash = 0; + const char *p; + const char *p_next; + /* static buffer for getcwd */ + char tmp[LT_PATHMAX + 1]; + int tmp_len; + char *concat_name; + + lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", + nonempty (wrapper)); + + if ((wrapper == NULL) || (*wrapper == '\0')) + return NULL; + + /* Absolute path? */ +#if defined (HAVE_DOS_BASED_FILE_SYSTEM) + if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + else + { +#endif + if (IS_DIR_SEPARATOR (wrapper[0])) + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } +#if defined (HAVE_DOS_BASED_FILE_SYSTEM) + } +#endif + + for (p = wrapper; *p; p++) + if (*p == '/') + { + has_slash = 1; + break; + } + if (!has_slash) + { + /* no slashes; search PATH */ + const char *path = getenv ("PATH"); + if (path != NULL) + { + for (p = path; *p; p = p_next) + { + const char *q; + size_t p_len; + for (q = p; *q; q++) + if (IS_PATH_SEPARATOR (*q)) + break; + p_len = q - p; + p_next = (*q == '\0' ? q : q + 1); + if (p_len == 0) + { + /* empty path: current directory */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", + nonnull (strerror (errno))); + tmp_len = strlen (tmp); + concat_name = + XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + } + else + { + concat_name = + XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, p, p_len); + concat_name[p_len] = '/'; + strcpy (concat_name + p_len + 1, wrapper); + } + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + } + /* not found in PATH; assume curdir */ + } + /* Relative path | not found in path: prepend cwd */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", + nonnull (strerror (errno))); + tmp_len = strlen (tmp); + concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + return NULL; +} + +char * +chase_symlinks (const char *pathspec) +{ +#ifndef S_ISLNK + return xstrdup (pathspec); +#else + char buf[LT_PATHMAX]; + struct stat s; + char *tmp_pathspec = xstrdup (pathspec); + char *p; + int has_symlinks = 0; + while (strlen (tmp_pathspec) && !has_symlinks) + { + lt_debugprintf (__FILE__, __LINE__, + "checking path component for symlinks: %s\n", + tmp_pathspec); + if (lstat (tmp_pathspec, &s) == 0) + { + if (S_ISLNK (s.st_mode) != 0) + { + has_symlinks = 1; + break; + } + + /* search backwards for last DIR_SEPARATOR */ + p = tmp_pathspec + strlen (tmp_pathspec) - 1; + while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + p--; + if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + { + /* no more DIR_SEPARATORS left */ + break; + } + *p = '\0'; + } + else + { + lt_fatal (__FILE__, __LINE__, + "error accessing file \"%s\": %s", + tmp_pathspec, nonnull (strerror (errno))); + } + } + XFREE (tmp_pathspec); + + if (!has_symlinks) + { + return xstrdup (pathspec); + } + + tmp_pathspec = realpath (pathspec, buf); + if (tmp_pathspec == 0) + { + lt_fatal (__FILE__, __LINE__, + "could not follow symlinks for %s", pathspec); + } + return xstrdup (tmp_pathspec); +#endif +} + +char * +strendzap (char *str, const char *pat) +{ + size_t len, patlen; + + assert (str != NULL); + assert (pat != NULL); + + len = strlen (str); + patlen = strlen (pat); + + if (patlen <= len) + { + str += len - patlen; + if (strcmp (str, pat) == 0) + *str = '\0'; + } + return str; +} + +void +lt_debugprintf (const char *file, int line, const char *fmt, ...) +{ + va_list args; + if (lt_debug) + { + (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); + va_start (args, fmt); + (void) vfprintf (stderr, fmt, args); + va_end (args); + } +} + +static void +lt_error_core (int exit_status, const char *file, + int line, const char *mode, + const char *message, va_list ap) +{ + fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); + vfprintf (stderr, message, ap); + fprintf (stderr, ".\n"); + + if (exit_status >= 0) + exit (exit_status); +} + +void +lt_fatal (const char *file, int line, const char *message, ...) +{ + va_list ap; + va_start (ap, message); + lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); + va_end (ap); +} + +static const char * +nonnull (const char *s) +{ + return s ? s : "(null)"; +} + +static const char * +nonempty (const char *s) +{ + return (s && !*s) ? "(empty)" : nonnull (s); +} + +void +lt_setenv (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_setenv) setting '%s' to '%s'\n", + nonnull (name), nonnull (value)); + { +#ifdef HAVE_SETENV + /* always make a copy, for consistency with !HAVE_SETENV */ + char *str = xstrdup (value); + setenv (name, str, 1); +#else + int len = strlen (name) + 1 + strlen (value) + 1; + char *str = XMALLOC (char, len); + sprintf (str, "%s=%s", name, value); + if (putenv (str) != EXIT_SUCCESS) + { + XFREE (str); + } +#endif + } +} + +char * +lt_extend_str (const char *orig_value, const char *add, int to_end) +{ + char *new_value; + if (orig_value && *orig_value) + { + int orig_value_len = strlen (orig_value); + int add_len = strlen (add); + new_value = XMALLOC (char, add_len + orig_value_len + 1); + if (to_end) + { + strcpy (new_value, orig_value); + strcpy (new_value + orig_value_len, add); + } + else + { + strcpy (new_value, add); + strcpy (new_value + add_len, orig_value); + } + } + else + { + new_value = xstrdup (add); + } + return new_value; +} + +void +lt_update_exe_path (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", + nonnull (name), nonnull (value)); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + /* some systems can't cope with a ':'-terminated path #' */ + int len = strlen (new_value); + while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) + { + new_value[len-1] = '\0'; + } + lt_setenv (name, new_value); + XFREE (new_value); + } +} + +void +lt_update_lib_path (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", + nonnull (name), nonnull (value)); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + lt_setenv (name, new_value); + XFREE (new_value); + } +} + +EOF + case $host_os in + mingw*) + cat <<"EOF" + +/* Prepares an argument vector before calling spawn(). + Note that spawn() does not by itself call the command interpreter + (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : + ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + GetVersionEx(&v); + v.dwPlatformId == VER_PLATFORM_WIN32_NT; + }) ? "cmd.exe" : "command.com"). + Instead it simply concatenates the arguments, separated by ' ', and calls + CreateProcess(). We must quote the arguments since Win32 CreateProcess() + interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a + special way: + - Space and tab are interpreted as delimiters. They are not treated as + delimiters if they are surrounded by double quotes: "...". + - Unescaped double quotes are removed from the input. Their only effect is + that within double quotes, space and tab are treated like normal + characters. + - Backslashes not followed by double quotes are not special. + - But 2*n+1 backslashes followed by a double quote become + n backslashes followed by a double quote (n >= 0): + \" -> " + \\\" -> \" + \\\\\" -> \\" + */ +#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" +#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" +char ** +prepare_spawn (char **argv) +{ + size_t argc; + char **new_argv; + size_t i; + + /* Count number of arguments. */ + for (argc = 0; argv[argc] != NULL; argc++) + ; + + /* Allocate new argument vector. */ + new_argv = XMALLOC (char *, argc + 1); + + /* Put quoted arguments into the new argument vector. */ + for (i = 0; i < argc; i++) + { + const char *string = argv[i]; + + if (string[0] == '\0') + new_argv[i] = xstrdup ("\"\""); + else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) + { + int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); + size_t length; + unsigned int backslashes; + const char *s; + char *quoted_string; + char *p; + + length = 0; + backslashes = 0; + if (quote_around) + length++; + for (s = string; *s != '\0'; s++) + { + char c = *s; + if (c == '"') + length += backslashes + 1; + length++; + if (c == '\\') + backslashes++; + else + backslashes = 0; + } + if (quote_around) + length += backslashes + 1; + + quoted_string = XMALLOC (char, length + 1); + + p = quoted_string; + backslashes = 0; + if (quote_around) + *p++ = '"'; + for (s = string; *s != '\0'; s++) + { + char c = *s; + if (c == '"') + { + unsigned int j; + for (j = backslashes + 1; j > 0; j--) + *p++ = '\\'; + } + *p++ = c; + if (c == '\\') + backslashes++; + else + backslashes = 0; + } + if (quote_around) + { + unsigned int j; + for (j = backslashes; j > 0; j--) + *p++ = '\\'; + *p++ = '"'; + } + *p = '\0'; + + new_argv[i] = quoted_string; + } + else + new_argv[i] = (char *) string; + } + new_argv[argc] = NULL; + + return new_argv; +} +EOF + ;; + esac + + cat <<"EOF" +void lt_dump_script (FILE* f) +{ +EOF + func_emit_wrapper yes | + $SED -n -e ' +s/^\(.\{79\}\)\(..*\)/\1\ +\2/ +h +s/\([\\"]\)/\\\1/g +s/$/\\n/ +s/\([^\n]*\).*/ fputs ("\1", f);/p +g +D' + cat <<"EOF" +} +EOF +} +# end: func_emit_cwrapperexe_src + +# func_win32_import_lib_p ARG +# True if ARG is an import lib, as indicated by $file_magic_cmd +func_win32_import_lib_p () +{ + $opt_debug + case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in + *import*) : ;; + *) false ;; + esac +} + +# func_mode_link arg... +func_mode_link () +{ + $opt_debug + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + # It is impossible to link a dll without this setting, and + # we shouldn't force the makefile maintainer to figure out + # which system we are compiling for in order to pass an extra + # flag for every libtool invocation. + # allow_undefined=no + + # FIXME: Unfortunately, there are problems with the above when trying + # to make a dll which has undefined symbols, in which case not + # even a static library is built. For now, we need to specify + # -no-undefined on the libtool link line when we can be certain + # that all symbols are satisfied, otherwise we get a static library. + allow_undefined=yes + ;; + *) + allow_undefined=yes + ;; + esac + libtool_args=$nonopt + base_compile="$nonopt $@" + compile_command=$nonopt + finalize_command=$nonopt + + compile_rpath= + finalize_rpath= + compile_shlibpath= + finalize_shlibpath= + convenience= + old_convenience= + deplibs= + old_deplibs= + compiler_flags= + linker_flags= + dllsearchpath= + lib_search_path=`pwd` + inst_prefix_dir= + new_inherited_linker_flags= + + avoid_version=no + bindir= + dlfiles= + dlprefiles= + dlself=no + export_dynamic=no + export_symbols= + export_symbols_regex= + generated= + libobjs= + ltlibs= + module=no + no_install=no + objs= + non_pic_objects= + precious_files_regex= + prefer_static_libs=no + preload=no + prev= + prevarg= + release= + rpath= + xrpath= + perm_rpath= + temp_rpath= + thread_safe=no + vinfo= + vinfo_number=no + weak_libs= + single_module="${wl}-single_module" + func_infer_tag $base_compile + + # We need to know -static, to get the right output filenames. + for arg + do + case $arg in + -shared) + test "$build_libtool_libs" != yes && \ + func_fatal_configuration "can not build a shared library" + build_old_libs=no + break + ;; + -all-static | -static | -static-libtool-libs) + case $arg in + -all-static) + if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then + func_warning "complete static linking is impossible in this configuration" + fi + if test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + -static) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=built + ;; + -static-libtool-libs) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + esac + build_libtool_libs=no + build_old_libs=yes + break + ;; + esac + done + + # See if our shared archives depend on static archives. + test -n "$old_archive_from_new_cmds" && build_old_libs=yes + + # Go through the arguments, transforming them on the way. + while test "$#" -gt 0; do + arg="$1" + shift + func_quote_for_eval "$arg" + qarg=$func_quote_for_eval_unquoted_result + func_append libtool_args " $func_quote_for_eval_result" + + # If the previous option needs an argument, assign it. + if test -n "$prev"; then + case $prev in + output) + func_append compile_command " @OUTPUT@" + func_append finalize_command " @OUTPUT@" + ;; + esac + + case $prev in + bindir) + bindir="$arg" + prev= + continue + ;; + dlfiles|dlprefiles) + if test "$preload" = no; then + # Add the symbol object into the linking commands. + func_append compile_command " @SYMFILE@" + func_append finalize_command " @SYMFILE@" + preload=yes + fi + case $arg in + *.la | *.lo) ;; # We handle these cases below. + force) + if test "$dlself" = no; then + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + self) + if test "$prev" = dlprefiles; then + dlself=yes + elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then + dlself=yes + else + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + *) + if test "$prev" = dlfiles; then + func_append dlfiles " $arg" + else + func_append dlprefiles " $arg" + fi + prev= + continue + ;; + esac + ;; + expsyms) + export_symbols="$arg" + test -f "$arg" \ + || func_fatal_error "symbol file \`$arg' does not exist" + prev= + continue + ;; + expsyms_regex) + export_symbols_regex="$arg" + prev= + continue + ;; + framework) + case $host in + *-*-darwin*) + case "$deplibs " in + *" $qarg.ltframework "*) ;; + *) func_append deplibs " $qarg.ltframework" # this is fixed later + ;; + esac + ;; + esac + prev= + continue + ;; + inst_prefix) + inst_prefix_dir="$arg" + prev= + continue + ;; + objectlist) + if test -f "$arg"; then + save_arg=$arg + moreargs= + for fil in `cat "$save_arg"` + do +# func_append moreargs " $fil" + arg=$fil + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test "$pic_object" = none && + test "$non_pic_object" = none; then + func_fatal_error "cannot find name of object for \`$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + if test "$pic_object" != none; then + # Prepend the subdirectory the object is found in. + pic_object="$xdir$pic_object" + + if test "$prev" = dlfiles; then + if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then + func_append dlfiles " $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test "$prev" = dlprefiles; then + # Preload the old-style object. + func_append dlprefiles " $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg="$pic_object" + fi + + # Non-PIC object. + if test "$non_pic_object" != none; then + # Prepend the subdirectory the object is found in. + non_pic_object="$xdir$non_pic_object" + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test "$pic_object" = none ; then + arg="$non_pic_object" + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object="$pic_object" + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "\`$arg' is not a valid libtool object" + fi + fi + done + else + func_fatal_error "link input file \`$arg' does not exist" + fi + arg=$save_arg + prev= + continue + ;; + precious_regex) + precious_files_regex="$arg" + prev= + continue + ;; + release) + release="-$arg" + prev= + continue + ;; + rpath | xrpath) + # We need an absolute path. + case $arg in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + if test "$prev" = rpath; then + case "$rpath " in + *" $arg "*) ;; + *) func_append rpath " $arg" ;; + esac + else + case "$xrpath " in + *" $arg "*) ;; + *) func_append xrpath " $arg" ;; + esac + fi + prev= + continue + ;; + shrext) + shrext_cmds="$arg" + prev= + continue + ;; + weak) + func_append weak_libs " $arg" + prev= + continue + ;; + xcclinker) + func_append linker_flags " $qarg" + func_append compiler_flags " $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xcompiler) + func_append compiler_flags " $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xlinker) + func_append linker_flags " $qarg" + func_append compiler_flags " $wl$qarg" + prev= + func_append compile_command " $wl$qarg" + func_append finalize_command " $wl$qarg" + continue + ;; + *) + eval "$prev=\"\$arg\"" + prev= + continue + ;; + esac + fi # test -n "$prev" + + prevarg="$arg" + + case $arg in + -all-static) + if test -n "$link_static_flag"; then + # See comment for -static flag below, for more details. + func_append compile_command " $link_static_flag" + func_append finalize_command " $link_static_flag" + fi + continue + ;; + + -allow-undefined) + # FIXME: remove this flag sometime in the future. + func_fatal_error "\`-allow-undefined' must not be used because it is the default" + ;; + + -avoid-version) + avoid_version=yes + continue + ;; + + -bindir) + prev=bindir + continue + ;; + + -dlopen) + prev=dlfiles + continue + ;; + + -dlpreopen) + prev=dlprefiles + continue + ;; + + -export-dynamic) + export_dynamic=yes + continue + ;; + + -export-symbols | -export-symbols-regex) + if test -n "$export_symbols" || test -n "$export_symbols_regex"; then + func_fatal_error "more than one -exported-symbols argument is not allowed" + fi + if test "X$arg" = "X-export-symbols"; then + prev=expsyms + else + prev=expsyms_regex + fi + continue + ;; + + -framework) + prev=framework + continue + ;; + + -inst-prefix-dir) + prev=inst_prefix + continue + ;; + + # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* + # so, if we see these flags be careful not to treat them like -L + -L[A-Z][A-Z]*:*) + case $with_gcc/$host in + no/*-*-irix* | /*-*-irix*) + func_append compile_command " $arg" + func_append finalize_command " $arg" + ;; + esac + continue + ;; + + -L*) + func_stripname "-L" '' "$arg" + if test -z "$func_stripname_result"; then + if test "$#" -gt 0; then + func_fatal_error "require no space between \`-L' and \`$1'" + else + func_fatal_error "need path for \`-L' option" + fi + fi + func_resolve_sysroot "$func_stripname_result" + dir=$func_resolve_sysroot_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + absdir=`cd "$dir" && pwd` + test -z "$absdir" && \ + func_fatal_error "cannot determine absolute directory name of \`$dir'" + dir="$absdir" + ;; + esac + case "$deplibs " in + *" -L$dir "* | *" $arg "*) + # Will only happen for absolute or sysroot arguments + ;; + *) + # Preserve sysroot, but never include relative directories + case $dir in + [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; + *) func_append deplibs " -L$dir" ;; + esac + func_append lib_search_path " $dir" + ;; + esac + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$dir:"*) ;; + ::) dllsearchpath=$dir;; + *) func_append dllsearchpath ":$dir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) func_append dllsearchpath ":$testbindir";; + esac + ;; + esac + continue + ;; + + -l*) + if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) + # These systems don't actually have a C or math library (as such) + continue + ;; + *-*-os2*) + # These systems don't actually have a C library (as such) + test "X$arg" = "X-lc" && continue + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc due to us having libc/libc_r. + test "X$arg" = "X-lc" && continue + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C and math libraries are in the System framework + func_append deplibs " System.ltframework" + continue + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + test "X$arg" = "X-lc" && continue + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + test "X$arg" = "X-lc" && continue + ;; + esac + elif test "X$arg" = "X-lc_r"; then + case $host in + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc_r directly, use -pthread flag. + continue + ;; + esac + fi + func_append deplibs " $arg" + continue + ;; + + -module) + module=yes + continue + ;; + + # Tru64 UNIX uses -model [arg] to determine the layout of C++ + # classes, name mangling, and exception handling. + # Darwin uses the -arch flag to determine output architecture. + -model|-arch|-isysroot|--sysroot) + func_append compiler_flags " $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + prev=xcompiler + continue + ;; + + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ + |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) + func_append compiler_flags " $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + case "$new_inherited_linker_flags " in + *" $arg "*) ;; + * ) func_append new_inherited_linker_flags " $arg" ;; + esac + continue + ;; + + -multi_module) + single_module="${wl}-multi_module" + continue + ;; + + -no-fast-install) + fast_install=no + continue + ;; + + -no-install) + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) + # The PATH hackery in wrapper scripts is required on Windows + # and Darwin in order for the loader to find any dlls it needs. + func_warning "\`-no-install' is ignored for $host" + func_warning "assuming \`-no-fast-install' instead" + fast_install=no + ;; + *) no_install=yes ;; + esac + continue + ;; + + -no-undefined) + allow_undefined=no + continue + ;; + + -objectlist) + prev=objectlist + continue + ;; + + -o) prev=output ;; + + -precious-files-regex) + prev=precious_regex + continue + ;; + + -release) + prev=release + continue + ;; + + -rpath) + prev=rpath + continue + ;; + + -R) + prev=xrpath + continue + ;; + + -R*) + func_stripname '-R' '' "$arg" + dir=$func_stripname_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + =*) + func_stripname '=' '' "$dir" + dir=$lt_sysroot$func_stripname_result + ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + case "$xrpath " in + *" $dir "*) ;; + *) func_append xrpath " $dir" ;; + esac + continue + ;; + + -shared) + # The effects of -shared are defined in a previous loop. + continue + ;; + + -shrext) + prev=shrext + continue + ;; + + -static | -static-libtool-libs) + # The effects of -static are defined in a previous loop. + # We used to do the same as -all-static on platforms that + # didn't have a PIC flag, but the assumption that the effects + # would be equivalent was wrong. It would break on at least + # Digital Unix and AIX. + continue + ;; + + -thread-safe) + thread_safe=yes + continue + ;; + + -version-info) + prev=vinfo + continue + ;; + + -version-number) + prev=vinfo + vinfo_number=yes + continue + ;; + + -weak) + prev=weak + continue + ;; + + -Wc,*) + func_stripname '-Wc,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs="$IFS"; IFS=',' + for flag in $args; do + IFS="$save_ifs" + func_quote_for_eval "$flag" + func_append arg " $func_quote_for_eval_result" + func_append compiler_flags " $func_quote_for_eval_result" + done + IFS="$save_ifs" + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Wl,*) + func_stripname '-Wl,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs="$IFS"; IFS=',' + for flag in $args; do + IFS="$save_ifs" + func_quote_for_eval "$flag" + func_append arg " $wl$func_quote_for_eval_result" + func_append compiler_flags " $wl$func_quote_for_eval_result" + func_append linker_flags " $func_quote_for_eval_result" + done + IFS="$save_ifs" + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Xcompiler) + prev=xcompiler + continue + ;; + + -Xlinker) + prev=xlinker + continue + ;; + + -XCClinker) + prev=xcclinker + continue + ;; + + # -msg_* for osf cc + -msg_*) + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + ;; + + # Flags to be passed through unchanged, with rationale: + # -64, -mips[0-9] enable 64-bit mode for the SGI compiler + # -r[0-9][0-9]* specify processor for the SGI compiler + # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler + # +DA*, +DD* enable 64-bit mode for the HP compiler + # -q* compiler args for the IBM compiler + # -m*, -t[45]*, -txscale* architecture-specific flags for GCC + # -F/path path to uninstalled frameworks, gcc on darwin + # -p, -pg, --coverage, -fprofile-* profiling flags for GCC + # @file GCC response files + # -tp=* Portland pgcc target processor selection + # --sysroot=* for sysroot support + # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization + -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ + -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ + -O*|-flto*|-fwhopr*|-fuse-linker-plugin) + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + func_append compile_command " $arg" + func_append finalize_command " $arg" + func_append compiler_flags " $arg" + continue + ;; + + # Some other compiler flag. + -* | +*) + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + ;; + + *.$objext) + # A standard object. + func_append objs " $arg" + ;; + + *.lo) + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test "$pic_object" = none && + test "$non_pic_object" = none; then + func_fatal_error "cannot find name of object for \`$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + if test "$pic_object" != none; then + # Prepend the subdirectory the object is found in. + pic_object="$xdir$pic_object" + + if test "$prev" = dlfiles; then + if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then + func_append dlfiles " $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test "$prev" = dlprefiles; then + # Preload the old-style object. + func_append dlprefiles " $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg="$pic_object" + fi + + # Non-PIC object. + if test "$non_pic_object" != none; then + # Prepend the subdirectory the object is found in. + non_pic_object="$xdir$non_pic_object" + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test "$pic_object" = none ; then + arg="$non_pic_object" + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object="$pic_object" + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "\`$arg' is not a valid libtool object" + fi + fi + ;; + + *.$libext) + # An archive. + func_append deplibs " $arg" + func_append old_deplibs " $arg" + continue + ;; + + *.la) + # A libtool-controlled library. + + func_resolve_sysroot "$arg" + if test "$prev" = dlfiles; then + # This library was specified with -dlopen. + func_append dlfiles " $func_resolve_sysroot_result" + prev= + elif test "$prev" = dlprefiles; then + # The library was specified with -dlpreopen. + func_append dlprefiles " $func_resolve_sysroot_result" + prev= + else + func_append deplibs " $func_resolve_sysroot_result" + fi + continue + ;; + + # Some other compiler argument. + *) + # Unknown arguments in both finalize_command and compile_command need + # to be aesthetically quoted because they are evaled later. + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + ;; + esac # arg + + # Now actually substitute the argument into the commands. + if test -n "$arg"; then + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + done # argument parsing loop + + test -n "$prev" && \ + func_fatal_help "the \`$prevarg' option requires an argument" + + if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then + eval arg=\"$export_dynamic_flag_spec\" + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + + oldlibs= + # calculate the name of the file, without its directory + func_basename "$output" + outputname="$func_basename_result" + libobjs_save="$libobjs" + + if test -n "$shlibpath_var"; then + # get the directories listed in $shlibpath_var + eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\` + else + shlib_search_path= + fi + eval sys_lib_search_path=\"$sys_lib_search_path_spec\" + eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" + + func_dirname "$output" "/" "" + output_objdir="$func_dirname_result$objdir" + func_to_tool_file "$output_objdir/" + tool_output_objdir=$func_to_tool_file_result + # Create the object directory. + func_mkdir_p "$output_objdir" + + # Determine the type of output + case $output in + "") + func_fatal_help "you must specify an output file" + ;; + *.$libext) linkmode=oldlib ;; + *.lo | *.$objext) linkmode=obj ;; + *.la) linkmode=lib ;; + *) linkmode=prog ;; # Anything else should be a program. + esac + + specialdeplibs= + + libs= + # Find all interdependent deplibs by searching for libraries + # that are linked more than once (e.g. -la -lb -la) + for deplib in $deplibs; do + if $opt_preserve_dup_deps ; then + case "$libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append libs " $deplib" + done + + if test "$linkmode" = lib; then + libs="$predeps $libs $compiler_lib_search_path $postdeps" + + # Compute libraries that are listed more than once in $predeps + # $postdeps and mark them as special (i.e., whose duplicates are + # not to be eliminated). + pre_post_deps= + if $opt_duplicate_compiler_generated_deps; then + for pre_post_dep in $predeps $postdeps; do + case "$pre_post_deps " in + *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; + esac + func_append pre_post_deps " $pre_post_dep" + done + fi + pre_post_deps= + fi + + deplibs= + newdependency_libs= + newlib_search_path= + need_relink=no # whether we're linking any uninstalled libtool libraries + notinst_deplibs= # not-installed libtool libraries + notinst_path= # paths that contain not-installed libtool libraries + + case $linkmode in + lib) + passes="conv dlpreopen link" + for file in $dlfiles $dlprefiles; do + case $file in + *.la) ;; + *) + func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" + ;; + esac + done + ;; + prog) + compile_deplibs= + finalize_deplibs= + alldeplibs=no + newdlfiles= + newdlprefiles= + passes="conv scan dlopen dlpreopen link" + ;; + *) passes="conv" + ;; + esac + + for pass in $passes; do + # The preopen pass in lib mode reverses $deplibs; put it back here + # so that -L comes before libs that need it for instance... + if test "$linkmode,$pass" = "lib,link"; then + ## FIXME: Find the place where the list is rebuilt in the wrong + ## order, and fix it there properly + tmp_deplibs= + for deplib in $deplibs; do + tmp_deplibs="$deplib $tmp_deplibs" + done + deplibs="$tmp_deplibs" + fi + + if test "$linkmode,$pass" = "lib,link" || + test "$linkmode,$pass" = "prog,scan"; then + libs="$deplibs" + deplibs= + fi + if test "$linkmode" = prog; then + case $pass in + dlopen) libs="$dlfiles" ;; + dlpreopen) libs="$dlprefiles" ;; + link) + libs="$deplibs %DEPLIBS%" + test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs" + ;; + esac + fi + if test "$linkmode,$pass" = "lib,dlpreopen"; then + # Collect and forward deplibs of preopened libtool libs + for lib in $dlprefiles; do + # Ignore non-libtool-libs + dependency_libs= + func_resolve_sysroot "$lib" + case $lib in + *.la) func_source "$func_resolve_sysroot_result" ;; + esac + + # Collect preopened libtool deplibs, except any this library + # has declared as weak libs + for deplib in $dependency_libs; do + func_basename "$deplib" + deplib_base=$func_basename_result + case " $weak_libs " in + *" $deplib_base "*) ;; + *) func_append deplibs " $deplib" ;; + esac + done + done + libs="$dlprefiles" + fi + if test "$pass" = dlopen; then + # Collect dlpreopened libraries + save_deplibs="$deplibs" + deplibs= + fi + + for deplib in $libs; do + lib= + found=no + case $deplib in + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ + |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + func_append compiler_flags " $deplib" + if test "$linkmode" = lib ; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) func_append new_inherited_linker_flags " $deplib" ;; + esac + fi + fi + continue + ;; + -l*) + if test "$linkmode" != lib && test "$linkmode" != prog; then + func_warning "\`-l' is ignored for archives/objects" + continue + fi + func_stripname '-l' '' "$deplib" + name=$func_stripname_result + if test "$linkmode" = lib; then + searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" + else + searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" + fi + for searchdir in $searchdirs; do + for search_ext in .la $std_shrext .so .a; do + # Search the libtool library + lib="$searchdir/lib${name}${search_ext}" + if test -f "$lib"; then + if test "$search_ext" = ".la"; then + found=yes + else + found=no + fi + break 2 + fi + done + done + if test "$found" != yes; then + # deplib doesn't seem to be a libtool library + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" + fi + continue + else # deplib is a libtool library + # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, + # We need to do some special things here, and not later. + if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then + case " $predeps $postdeps " in + *" $deplib "*) + if func_lalib_p "$lib"; then + library_names= + old_library= + func_source "$lib" + for l in $old_library $library_names; do + ll="$l" + done + if test "X$ll" = "X$old_library" ; then # only static version available + found=no + func_dirname "$lib" "" "." + ladir="$func_dirname_result" + lib=$ladir/$old_library + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" + fi + continue + fi + fi + ;; + *) ;; + esac + fi + fi + ;; # -l + *.ltframework) + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + if test "$linkmode" = lib ; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) func_append new_inherited_linker_flags " $deplib" ;; + esac + fi + fi + continue + ;; + -L*) + case $linkmode in + lib) + deplibs="$deplib $deplibs" + test "$pass" = conv && continue + newdependency_libs="$deplib $newdependency_libs" + func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + prog) + if test "$pass" = conv; then + deplibs="$deplib $deplibs" + continue + fi + if test "$pass" = scan; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + *) + func_warning "\`-L' is ignored for archives/objects" + ;; + esac # linkmode + continue + ;; # -L + -R*) + if test "$pass" = link; then + func_stripname '-R' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + dir=$func_resolve_sysroot_result + # Make sure the xrpath contains only unique directories. + case "$xrpath " in + *" $dir "*) ;; + *) func_append xrpath " $dir" ;; + esac + fi + deplibs="$deplib $deplibs" + continue + ;; + *.la) + func_resolve_sysroot "$deplib" + lib=$func_resolve_sysroot_result + ;; + *.$libext) + if test "$pass" = conv; then + deplibs="$deplib $deplibs" + continue + fi + case $linkmode in + lib) + # Linking convenience modules into shared libraries is allowed, + # but linking other static libraries is non-portable. + case " $dlpreconveniencelibs " in + *" $deplib "*) ;; + *) + valid_a_lib=no + case $deplibs_check_method in + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ + | $EGREP "$match_pattern_regex" > /dev/null; then + valid_a_lib=yes + fi + ;; + pass_all) + valid_a_lib=yes + ;; + esac + if test "$valid_a_lib" != yes; then + echo + $ECHO "*** Warning: Trying to link with static lib archive $deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because the file extensions .$libext of this argument makes me believe" + echo "*** that it is just a static archive that I should not use here." + else + echo + $ECHO "*** Warning: Linking the shared library $output against the" + $ECHO "*** static library $deplib is not portable!" + deplibs="$deplib $deplibs" + fi + ;; + esac + continue + ;; + prog) + if test "$pass" != link; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + continue + ;; + esac # linkmode + ;; # *.$libext + *.lo | *.$objext) + if test "$pass" = conv; then + deplibs="$deplib $deplibs" + elif test "$linkmode" = prog; then + if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then + # If there is no dlopen support or we're linking statically, + # we need to preload. + func_append newdlprefiles " $deplib" + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + func_append newdlfiles " $deplib" + fi + fi + continue + ;; + %DEPLIBS%) + alldeplibs=yes + continue + ;; + esac # case $deplib + + if test "$found" = yes || test -f "$lib"; then : + else + func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'" + fi + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$lib" \ + || func_fatal_error "\`$lib' is not a valid libtool archive" + + func_dirname "$lib" "" "." + ladir="$func_dirname_result" + + dlname= + dlopen= + dlpreopen= + libdir= + library_names= + old_library= + inherited_linker_flags= + # If the library was installed with an old release of libtool, + # it will not redefine variables installed, or shouldnotlink + installed=yes + shouldnotlink=no + avoidtemprpath= + + + # Read the .la file + func_source "$lib" + + # Convert "-framework foo" to "foo.ltframework" + if test -n "$inherited_linker_flags"; then + tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` + for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do + case " $new_inherited_linker_flags " in + *" $tmp_inherited_linker_flag "*) ;; + *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; + esac + done + fi + dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + if test "$linkmode,$pass" = "lib,link" || + test "$linkmode,$pass" = "prog,scan" || + { test "$linkmode" != prog && test "$linkmode" != lib; }; then + test -n "$dlopen" && func_append dlfiles " $dlopen" + test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" + fi + + if test "$pass" = conv; then + # Only check for convenience libraries + deplibs="$lib $deplibs" + if test -z "$libdir"; then + if test -z "$old_library"; then + func_fatal_error "cannot find name of link library for \`$lib'" + fi + # It is a libtool convenience library, so add in its objects. + func_append convenience " $ladir/$objdir/$old_library" + func_append old_convenience " $ladir/$objdir/$old_library" + tmp_libs= + for deplib in $dependency_libs; do + deplibs="$deplib $deplibs" + if $opt_preserve_dup_deps ; then + case "$tmp_libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append tmp_libs " $deplib" + done + elif test "$linkmode" != prog && test "$linkmode" != lib; then + func_fatal_error "\`$lib' is not a convenience library" + fi + continue + fi # $pass = conv + + + # Get the name of the library we link against. + linklib= + if test -n "$old_library" && + { test "$prefer_static_libs" = yes || + test "$prefer_static_libs,$installed" = "built,no"; }; then + linklib=$old_library + else + for l in $old_library $library_names; do + linklib="$l" + done + fi + if test -z "$linklib"; then + func_fatal_error "cannot find name of link library for \`$lib'" + fi + + # This library was specified with -dlopen. + if test "$pass" = dlopen; then + if test -z "$libdir"; then + func_fatal_error "cannot -dlopen a convenience library: \`$lib'" + fi + if test -z "$dlname" || + test "$dlopen_support" != yes || + test "$build_libtool_libs" = no; then + # If there is no dlname, no dlopen support or we're linking + # statically, we need to preload. We also need to preload any + # dependent libraries so libltdl's deplib preloader doesn't + # bomb out in the load deplibs phase. + func_append dlprefiles " $lib $dependency_libs" + else + func_append newdlfiles " $lib" + fi + continue + fi # $pass = dlopen + + # We need an absolute path. + case $ladir in + [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;; + *) + abs_ladir=`cd "$ladir" && pwd` + if test -z "$abs_ladir"; then + func_warning "cannot determine absolute directory name of \`$ladir'" + func_warning "passing it literally to the linker, although it might fail" + abs_ladir="$ladir" + fi + ;; + esac + func_basename "$lib" + laname="$func_basename_result" + + # Find the relevant object directory and library name. + if test "X$installed" = Xyes; then + if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then + func_warning "library \`$lib' was moved." + dir="$ladir" + absdir="$abs_ladir" + libdir="$abs_ladir" + else + dir="$lt_sysroot$libdir" + absdir="$lt_sysroot$libdir" + fi + test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes + else + if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then + dir="$ladir" + absdir="$abs_ladir" + # Remove this search path later + func_append notinst_path " $abs_ladir" + else + dir="$ladir/$objdir" + absdir="$abs_ladir/$objdir" + # Remove this search path later + func_append notinst_path " $abs_ladir" + fi + fi # $installed = yes + func_stripname 'lib' '.la' "$laname" + name=$func_stripname_result + + # This library was specified with -dlpreopen. + if test "$pass" = dlpreopen; then + if test -z "$libdir" && test "$linkmode" = prog; then + func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'" + fi + case "$host" in + # special handling for platforms with PE-DLLs. + *cygwin* | *mingw* | *cegcc* ) + # Linker will automatically link against shared library if both + # static and shared are present. Therefore, ensure we extract + # symbols from the import library if a shared library is present + # (otherwise, the dlopen module name will be incorrect). We do + # this by putting the import library name into $newdlprefiles. + # We recover the dlopen module name by 'saving' the la file + # name in a special purpose variable, and (later) extracting the + # dlname from the la file. + if test -n "$dlname"; then + func_tr_sh "$dir/$linklib" + eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" + func_append newdlprefiles " $dir/$linklib" + else + func_append newdlprefiles " $dir/$old_library" + # Keep a list of preopened convenience libraries to check + # that they are being used correctly in the link pass. + test -z "$libdir" && \ + func_append dlpreconveniencelibs " $dir/$old_library" + fi + ;; + * ) + # Prefer using a static library (so that no silly _DYNAMIC symbols + # are required to link). + if test -n "$old_library"; then + func_append newdlprefiles " $dir/$old_library" + # Keep a list of preopened convenience libraries to check + # that they are being used correctly in the link pass. + test -z "$libdir" && \ + func_append dlpreconveniencelibs " $dir/$old_library" + # Otherwise, use the dlname, so that lt_dlopen finds it. + elif test -n "$dlname"; then + func_append newdlprefiles " $dir/$dlname" + else + func_append newdlprefiles " $dir/$linklib" + fi + ;; + esac + fi # $pass = dlpreopen + + if test -z "$libdir"; then + # Link the convenience library + if test "$linkmode" = lib; then + deplibs="$dir/$old_library $deplibs" + elif test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$dir/$old_library $compile_deplibs" + finalize_deplibs="$dir/$old_library $finalize_deplibs" + else + deplibs="$lib $deplibs" # used for prog,scan pass + fi + continue + fi + + + if test "$linkmode" = prog && test "$pass" != link; then + func_append newlib_search_path " $ladir" + deplibs="$lib $deplibs" + + linkalldeplibs=no + if test "$link_all_deplibs" != no || test -z "$library_names" || + test "$build_libtool_libs" = no; then + linkalldeplibs=yes + fi + + tmp_libs= + for deplib in $dependency_libs; do + case $deplib in + -L*) func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + esac + # Need to link against all dependency_libs? + if test "$linkalldeplibs" = yes; then + deplibs="$deplib $deplibs" + else + # Need to hardcode shared library paths + # or/and link against static libraries + newdependency_libs="$deplib $newdependency_libs" + fi + if $opt_preserve_dup_deps ; then + case "$tmp_libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append tmp_libs " $deplib" + done # for deplib + continue + fi # $linkmode = prog... + + if test "$linkmode,$pass" = "prog,link"; then + if test -n "$library_names" && + { { test "$prefer_static_libs" = no || + test "$prefer_static_libs,$installed" = "built,yes"; } || + test -z "$old_library"; }; then + # We need to hardcode the library path + if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then + # Make sure the rpath contains only unique directories. + case "$temp_rpath:" in + *"$absdir:"*) ;; + *) func_append temp_rpath "$absdir:" ;; + esac + fi + + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) func_append compile_rpath " $absdir" ;; + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + ;; + esac + fi # $linkmode,$pass = prog,link... + + if test "$alldeplibs" = yes && + { test "$deplibs_check_method" = pass_all || + { test "$build_libtool_libs" = yes && + test -n "$library_names"; }; }; then + # We only need to search for static libraries + continue + fi + fi + + link_static=no # Whether the deplib will be linked statically + use_static_libs=$prefer_static_libs + if test "$use_static_libs" = built && test "$installed" = yes; then + use_static_libs=no + fi + if test -n "$library_names" && + { test "$use_static_libs" = no || test -z "$old_library"; }; then + case $host in + *cygwin* | *mingw* | *cegcc*) + # No point in relinking DLLs because paths are not encoded + func_append notinst_deplibs " $lib" + need_relink=no + ;; + *) + if test "$installed" = no; then + func_append notinst_deplibs " $lib" + need_relink=yes + fi + ;; + esac + # This is a shared library + + # Warn about portability, can't link against -module's on some + # systems (darwin). Don't bleat about dlopened modules though! + dlopenmodule="" + for dlpremoduletest in $dlprefiles; do + if test "X$dlpremoduletest" = "X$lib"; then + dlopenmodule="$dlpremoduletest" + break + fi + done + if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then + echo + if test "$linkmode" = prog; then + $ECHO "*** Warning: Linking the executable $output against the loadable module" + else + $ECHO "*** Warning: Linking the shared library $output against the loadable module" + fi + $ECHO "*** $linklib is not portable!" + fi + if test "$linkmode" = lib && + test "$hardcode_into_libs" = yes; then + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) func_append compile_rpath " $absdir" ;; + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + ;; + esac + fi + + if test -n "$old_archive_from_expsyms_cmds"; then + # figure out the soname + set dummy $library_names + shift + realname="$1" + shift + libname=`eval "\\$ECHO \"$libname_spec\""` + # use dlname if we got it. it's perfectly good, no? + if test -n "$dlname"; then + soname="$dlname" + elif test -n "$soname_spec"; then + # bleh windows + case $host in + *cygwin* | mingw* | *cegcc*) + func_arith $current - $age + major=$func_arith_result + versuffix="-$major" + ;; + esac + eval soname=\"$soname_spec\" + else + soname="$realname" + fi + + # Make a new name for the extract_expsyms_cmds to use + soroot="$soname" + func_basename "$soroot" + soname="$func_basename_result" + func_stripname 'lib' '.dll' "$soname" + newlib=libimp-$func_stripname_result.a + + # If the library has no export list, then create one now + if test -f "$output_objdir/$soname-def"; then : + else + func_verbose "extracting exported symbol list from \`$soname'" + func_execute_cmds "$extract_expsyms_cmds" 'exit $?' + fi + + # Create $newlib + if test -f "$output_objdir/$newlib"; then :; else + func_verbose "generating import library for \`$soname'" + func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' + fi + # make sure the library variables are pointing to the new library + dir=$output_objdir + linklib=$newlib + fi # test -n "$old_archive_from_expsyms_cmds" + + if test "$linkmode" = prog || test "$opt_mode" != relink; then + add_shlibpath= + add_dir= + add= + lib_linked=yes + case $hardcode_action in + immediate | unsupported) + if test "$hardcode_direct" = no; then + add="$dir/$linklib" + case $host in + *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; + *-*-sysv4*uw2*) add_dir="-L$dir" ;; + *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ + *-*-unixware7*) add_dir="-L$dir" ;; + *-*-darwin* ) + # if the lib is a (non-dlopened) module then we can not + # link against it, someone is ignoring the earlier warnings + if /usr/bin/file -L $add 2> /dev/null | + $GREP ": [^:]* bundle" >/dev/null ; then + if test "X$dlopenmodule" != "X$lib"; then + $ECHO "*** Warning: lib $linklib is a module, not a shared library" + if test -z "$old_library" ; then + echo + echo "*** And there doesn't seem to be a static archive available" + echo "*** The link will probably fail, sorry" + else + add="$dir/$old_library" + fi + elif test -n "$old_library"; then + add="$dir/$old_library" + fi + fi + esac + elif test "$hardcode_minus_L" = no; then + case $host in + *-*-sunos*) add_shlibpath="$dir" ;; + esac + add_dir="-L$dir" + add="-l$name" + elif test "$hardcode_shlibpath_var" = no; then + add_shlibpath="$dir" + add="-l$name" + else + lib_linked=no + fi + ;; + relink) + if test "$hardcode_direct" = yes && + test "$hardcode_direct_absolute" = no; then + add="$dir/$linklib" + elif test "$hardcode_minus_L" = yes; then + add_dir="-L$absdir" + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + func_append add_dir " -L$inst_prefix_dir$libdir" + ;; + esac + fi + add="-l$name" + elif test "$hardcode_shlibpath_var" = yes; then + add_shlibpath="$dir" + add="-l$name" + else + lib_linked=no + fi + ;; + *) lib_linked=no ;; + esac + + if test "$lib_linked" != yes; then + func_fatal_configuration "unsupported hardcode properties" + fi + + if test -n "$add_shlibpath"; then + case :$compile_shlibpath: in + *":$add_shlibpath:"*) ;; + *) func_append compile_shlibpath "$add_shlibpath:" ;; + esac + fi + if test "$linkmode" = prog; then + test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" + test -n "$add" && compile_deplibs="$add $compile_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + if test "$hardcode_direct" != yes && + test "$hardcode_minus_L" != yes && + test "$hardcode_shlibpath_var" = yes; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) func_append finalize_shlibpath "$libdir:" ;; + esac + fi + fi + fi + + if test "$linkmode" = prog || test "$opt_mode" = relink; then + add_shlibpath= + add_dir= + add= + # Finalize command for both is simple: just hardcode it. + if test "$hardcode_direct" = yes && + test "$hardcode_direct_absolute" = no; then + add="$libdir/$linklib" + elif test "$hardcode_minus_L" = yes; then + add_dir="-L$libdir" + add="-l$name" + elif test "$hardcode_shlibpath_var" = yes; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) func_append finalize_shlibpath "$libdir:" ;; + esac + add="-l$name" + elif test "$hardcode_automatic" = yes; then + if test -n "$inst_prefix_dir" && + test -f "$inst_prefix_dir$libdir/$linklib" ; then + add="$inst_prefix_dir$libdir/$linklib" + else + add="$libdir/$linklib" + fi + else + # We cannot seem to hardcode it, guess we'll fake it. + add_dir="-L$libdir" + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + func_append add_dir " -L$inst_prefix_dir$libdir" + ;; + esac + fi + add="-l$name" + fi + + if test "$linkmode" = prog; then + test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" + test -n "$add" && finalize_deplibs="$add $finalize_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + fi + fi + elif test "$linkmode" = prog; then + # Here we assume that one of hardcode_direct or hardcode_minus_L + # is not unsupported. This is valid on all known static and + # shared platforms. + if test "$hardcode_direct" != unsupported; then + test -n "$old_library" && linklib="$old_library" + compile_deplibs="$dir/$linklib $compile_deplibs" + finalize_deplibs="$dir/$linklib $finalize_deplibs" + else + compile_deplibs="-l$name -L$dir $compile_deplibs" + finalize_deplibs="-l$name -L$dir $finalize_deplibs" + fi + elif test "$build_libtool_libs" = yes; then + # Not a shared library + if test "$deplibs_check_method" != pass_all; then + # We're trying link a shared library against a static one + # but the system doesn't support it. + + # Just print a warning and add the library to dependency_libs so + # that the program can be linked against the static library. + echo + $ECHO "*** Warning: This system can not link to static lib archive $lib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have." + if test "$module" = yes; then + echo "*** But as you try to build a module library, libtool will still create " + echo "*** a static module, that should work as long as the dlopening application" + echo "*** is linked with the -dlopen flag to resolve symbols at runtime." + if test -z "$global_symbol_pipe"; then + echo + echo "*** However, this would only work if libtool was able to extract symbol" + echo "*** lists from a program, using \`nm' or equivalent, but libtool could" + echo "*** not find such a program. So, this module is probably useless." + echo "*** \`nm' from GNU binutils and a full rebuild may help." + fi + if test "$build_old_libs" = no; then + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + else + deplibs="$dir/$old_library $deplibs" + link_static=yes + fi + fi # link shared/static library? + + if test "$linkmode" = lib; then + if test -n "$dependency_libs" && + { test "$hardcode_into_libs" != yes || + test "$build_old_libs" = yes || + test "$link_static" = yes; }; then + # Extract -R from dependency_libs + temp_deplibs= + for libdir in $dependency_libs; do + case $libdir in + -R*) func_stripname '-R' '' "$libdir" + temp_xrpath=$func_stripname_result + case " $xrpath " in + *" $temp_xrpath "*) ;; + *) func_append xrpath " $temp_xrpath";; + esac;; + *) func_append temp_deplibs " $libdir";; + esac + done + dependency_libs="$temp_deplibs" + fi + + func_append newlib_search_path " $absdir" + # Link against this library + test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" + # ... and its dependency_libs + tmp_libs= + for deplib in $dependency_libs; do + newdependency_libs="$deplib $newdependency_libs" + case $deplib in + -L*) func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result";; + *) func_resolve_sysroot "$deplib" ;; + esac + if $opt_preserve_dup_deps ; then + case "$tmp_libs " in + *" $func_resolve_sysroot_result "*) + func_append specialdeplibs " $func_resolve_sysroot_result" ;; + esac + fi + func_append tmp_libs " $func_resolve_sysroot_result" + done + + if test "$link_all_deplibs" != no; then + # Add the search paths of all dependency libraries + for deplib in $dependency_libs; do + path= + case $deplib in + -L*) path="$deplib" ;; + *.la) + func_resolve_sysroot "$deplib" + deplib=$func_resolve_sysroot_result + func_dirname "$deplib" "" "." + dir=$func_dirname_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; + *) + absdir=`cd "$dir" && pwd` + if test -z "$absdir"; then + func_warning "cannot determine absolute directory name of \`$dir'" + absdir="$dir" + fi + ;; + esac + if $GREP "^installed=no" $deplib > /dev/null; then + case $host in + *-*-darwin*) + depdepl= + eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` + if test -n "$deplibrary_names" ; then + for tmp in $deplibrary_names ; do + depdepl=$tmp + done + if test -f "$absdir/$objdir/$depdepl" ; then + depdepl="$absdir/$objdir/$depdepl" + darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + if test -z "$darwin_install_name"; then + darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + fi + func_append compiler_flags " ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}" + func_append linker_flags " -dylib_file ${darwin_install_name}:${depdepl}" + path= + fi + fi + ;; + *) + path="-L$absdir/$objdir" + ;; + esac + else + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` + test -z "$libdir" && \ + func_fatal_error "\`$deplib' is not a valid libtool archive" + test "$absdir" != "$libdir" && \ + func_warning "\`$deplib' seems to be moved" + + path="-L$absdir" + fi + ;; + esac + case " $deplibs " in + *" $path "*) ;; + *) deplibs="$path $deplibs" ;; + esac + done + fi # link_all_deplibs != no + fi # linkmode = lib + done # for deplib in $libs + if test "$pass" = link; then + if test "$linkmode" = "prog"; then + compile_deplibs="$new_inherited_linker_flags $compile_deplibs" + finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" + else + compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + fi + fi + dependency_libs="$newdependency_libs" + if test "$pass" = dlpreopen; then + # Link the dlpreopened libraries before other libraries + for deplib in $save_deplibs; do + deplibs="$deplib $deplibs" + done + fi + if test "$pass" != dlopen; then + if test "$pass" != conv; then + # Make sure lib_search_path contains only unique directories. + lib_search_path= + for dir in $newlib_search_path; do + case "$lib_search_path " in + *" $dir "*) ;; + *) func_append lib_search_path " $dir" ;; + esac + done + newlib_search_path= + fi + + if test "$linkmode,$pass" != "prog,link"; then + vars="deplibs" + else + vars="compile_deplibs finalize_deplibs" + fi + for var in $vars dependency_libs; do + # Add libraries to $var in reverse order + eval tmp_libs=\"\$$var\" + new_libs= + for deplib in $tmp_libs; do + # FIXME: Pedantically, this is the right thing to do, so + # that some nasty dependency loop isn't accidentally + # broken: + #new_libs="$deplib $new_libs" + # Pragmatically, this seems to cause very few problems in + # practice: + case $deplib in + -L*) new_libs="$deplib $new_libs" ;; + -R*) ;; + *) + # And here is the reason: when a library appears more + # than once as an explicit dependence of a library, or + # is implicitly linked in more than once by the + # compiler, it is considered special, and multiple + # occurrences thereof are not removed. Compare this + # with having the same library being listed as a + # dependency of multiple other libraries: in this case, + # we know (pedantically, we assume) the library does not + # need to be listed more than once, so we keep only the + # last copy. This is not always right, but it is rare + # enough that we require users that really mean to play + # such unportable linking tricks to link the library + # using -Wl,-lname, so that libtool does not consider it + # for duplicate removal. + case " $specialdeplibs " in + *" $deplib "*) new_libs="$deplib $new_libs" ;; + *) + case " $new_libs " in + *" $deplib "*) ;; + *) new_libs="$deplib $new_libs" ;; + esac + ;; + esac + ;; + esac + done + tmp_libs= + for deplib in $new_libs; do + case $deplib in + -L*) + case " $tmp_libs " in + *" $deplib "*) ;; + *) func_append tmp_libs " $deplib" ;; + esac + ;; + *) func_append tmp_libs " $deplib" ;; + esac + done + eval $var=\"$tmp_libs\" + done # for var + fi + # Last step: remove runtime libs from dependency_libs + # (they stay in deplibs) + tmp_libs= + for i in $dependency_libs ; do + case " $predeps $postdeps $compiler_lib_search_path " in + *" $i "*) + i="" + ;; + esac + if test -n "$i" ; then + func_append tmp_libs " $i" + fi + done + dependency_libs=$tmp_libs + done # for pass + if test "$linkmode" = prog; then + dlfiles="$newdlfiles" + fi + if test "$linkmode" = prog || test "$linkmode" = lib; then + dlprefiles="$newdlprefiles" + fi + + case $linkmode in + oldlib) + if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then + func_warning "\`-dlopen' is ignored for archives" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "\`-l' and \`-L' are ignored for archives" ;; + esac + + test -n "$rpath" && \ + func_warning "\`-rpath' is ignored for archives" + + test -n "$xrpath" && \ + func_warning "\`-R' is ignored for archives" + + test -n "$vinfo" && \ + func_warning "\`-version-info/-version-number' is ignored for archives" + + test -n "$release" && \ + func_warning "\`-release' is ignored for archives" + + test -n "$export_symbols$export_symbols_regex" && \ + func_warning "\`-export-symbols' is ignored for archives" + + # Now set the variables for building old libraries. + build_libtool_libs=no + oldlibs="$output" + func_append objs "$old_deplibs" + ;; + + lib) + # Make sure we only generate libraries of the form `libNAME.la'. + case $outputname in + lib*) + func_stripname 'lib' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + ;; + *) + test "$module" = no && \ + func_fatal_help "libtool library \`$output' must begin with \`lib'" + + if test "$need_lib_prefix" != no; then + # Add the "lib" prefix for modules if required + func_stripname '' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + else + func_stripname '' '.la' "$outputname" + libname=$func_stripname_result + fi + ;; + esac + + if test -n "$objs"; then + if test "$deplibs_check_method" != pass_all; then + func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs" + else + echo + $ECHO "*** Warning: Linking the shared library $output against the non-libtool" + $ECHO "*** objects $objs is not portable!" + func_append libobjs " $objs" + fi + fi + + test "$dlself" != no && \ + func_warning "\`-dlopen self' is ignored for libtool libraries" + + set dummy $rpath + shift + test "$#" -gt 1 && \ + func_warning "ignoring multiple \`-rpath's for a libtool library" + + install_libdir="$1" + + oldlibs= + if test -z "$rpath"; then + if test "$build_libtool_libs" = yes; then + # Building a libtool convenience library. + # Some compilers have problems with a `.al' extension so + # convenience libraries should have the same extension an + # archive normally would. + oldlibs="$output_objdir/$libname.$libext $oldlibs" + build_libtool_libs=convenience + build_old_libs=yes + fi + + test -n "$vinfo" && \ + func_warning "\`-version-info/-version-number' is ignored for convenience libraries" + + test -n "$release" && \ + func_warning "\`-release' is ignored for convenience libraries" + else + + # Parse the version information argument. + save_ifs="$IFS"; IFS=':' + set dummy $vinfo 0 0 0 + shift + IFS="$save_ifs" + + test -n "$7" && \ + func_fatal_help "too many parameters to \`-version-info'" + + # convert absolute version numbers to libtool ages + # this retains compatibility with .la files and attempts + # to make the code below a bit more comprehensible + + case $vinfo_number in + yes) + number_major="$1" + number_minor="$2" + number_revision="$3" + # + # There are really only two kinds -- those that + # use the current revision as the major version + # and those that subtract age and use age as + # a minor version. But, then there is irix + # which has an extra 1 added just for fun + # + case $version_type in + # correct linux to gnu/linux during the next big refactor + darwin|linux|osf|windows|none) + func_arith $number_major + $number_minor + current=$func_arith_result + age="$number_minor" + revision="$number_revision" + ;; + freebsd-aout|freebsd-elf|qnx|sunos) + current="$number_major" + revision="$number_minor" + age="0" + ;; + irix|nonstopux) + func_arith $number_major + $number_minor + current=$func_arith_result + age="$number_minor" + revision="$number_minor" + lt_irix_increment=no + ;; + *) + func_fatal_configuration "$modename: unknown library version type \`$version_type'" + ;; + esac + ;; + no) + current="$1" + revision="$2" + age="$3" + ;; + esac + + # Check that each of the things are valid numbers. + case $current in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "CURRENT \`$current' must be a nonnegative integer" + func_fatal_error "\`$vinfo' is not valid version information" + ;; + esac + + case $revision in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "REVISION \`$revision' must be a nonnegative integer" + func_fatal_error "\`$vinfo' is not valid version information" + ;; + esac + + case $age in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "AGE \`$age' must be a nonnegative integer" + func_fatal_error "\`$vinfo' is not valid version information" + ;; + esac + + if test "$age" -gt "$current"; then + func_error "AGE \`$age' is greater than the current interface number \`$current'" + func_fatal_error "\`$vinfo' is not valid version information" + fi + + # Calculate the version variables. + major= + versuffix= + verstring= + case $version_type in + none) ;; + + darwin) + # Like Linux, but with the current version available in + # verstring for coding it into the library header + func_arith $current - $age + major=.$func_arith_result + versuffix="$major.$age.$revision" + # Darwin ld doesn't like 0 for these options... + func_arith $current + 1 + minor_current=$func_arith_result + xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision" + verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" + ;; + + freebsd-aout) + major=".$current" + versuffix=".$current.$revision"; + ;; + + freebsd-elf) + major=".$current" + versuffix=".$current" + ;; + + irix | nonstopux) + if test "X$lt_irix_increment" = "Xno"; then + func_arith $current - $age + else + func_arith $current - $age + 1 + fi + major=$func_arith_result + + case $version_type in + nonstopux) verstring_prefix=nonstopux ;; + *) verstring_prefix=sgi ;; + esac + verstring="$verstring_prefix$major.$revision" + + # Add in all the interfaces that we are compatible with. + loop=$revision + while test "$loop" -ne 0; do + func_arith $revision - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring="$verstring_prefix$major.$iface:$verstring" + done + + # Before this point, $major must not contain `.'. + major=.$major + versuffix="$major.$revision" + ;; + + linux) # correct to gnu/linux during the next big refactor + func_arith $current - $age + major=.$func_arith_result + versuffix="$major.$age.$revision" + ;; + + osf) + func_arith $current - $age + major=.$func_arith_result + versuffix=".$current.$age.$revision" + verstring="$current.$age.$revision" + + # Add in all the interfaces that we are compatible with. + loop=$age + while test "$loop" -ne 0; do + func_arith $current - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring="$verstring:${iface}.0" + done + + # Make executables depend on our current version. + func_append verstring ":${current}.0" + ;; + + qnx) + major=".$current" + versuffix=".$current" + ;; + + sunos) + major=".$current" + versuffix=".$current.$revision" + ;; + + windows) + # Use '-' rather than '.', since we only want one + # extension on DOS 8.3 filesystems. + func_arith $current - $age + major=$func_arith_result + versuffix="-$major" + ;; + + *) + func_fatal_configuration "unknown library version type \`$version_type'" + ;; + esac + + # Clear the version info if we defaulted, and they specified a release. + if test -z "$vinfo" && test -n "$release"; then + major= + case $version_type in + darwin) + # we can't check for "0.0" in archive_cmds due to quoting + # problems, so we reset it completely + verstring= + ;; + *) + verstring="0.0" + ;; + esac + if test "$need_version" = no; then + versuffix= + else + versuffix=".0.0" + fi + fi + + # Remove version info from name if versioning should be avoided + if test "$avoid_version" = yes && test "$need_version" = no; then + major= + versuffix= + verstring="" + fi + + # Check to see if the archive will have undefined symbols. + if test "$allow_undefined" = yes; then + if test "$allow_undefined_flag" = unsupported; then + func_warning "undefined symbols not allowed in $host shared libraries" + build_libtool_libs=no + build_old_libs=yes + fi + else + # Don't allow undefined symbols. + allow_undefined_flag="$no_undefined_flag" + fi + + fi + + func_generate_dlsyms "$libname" "$libname" "yes" + func_append libobjs " $symfileobj" + test "X$libobjs" = "X " && libobjs= + + if test "$opt_mode" != relink; then + # Remove our outputs, but don't remove object files since they + # may have been created when compiling PIC objects. + removelist= + tempremovelist=`$ECHO "$output_objdir/*"` + for p in $tempremovelist; do + case $p in + *.$objext | *.gcno) + ;; + $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*) + if test "X$precious_files_regex" != "X"; then + if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 + then + continue + fi + fi + func_append removelist " $p" + ;; + *) ;; + esac + done + test -n "$removelist" && \ + func_show_eval "${RM}r \$removelist" + fi + + # Now set the variables for building old libraries. + if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then + func_append oldlibs " $output_objdir/$libname.$libext" + + # Transform .lo files to .o files. + oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP` + fi + + # Eliminate all temporary directories. + #for path in $notinst_path; do + # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` + # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` + # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` + #done + + if test -n "$xrpath"; then + # If the user specified any rpath flags, then add them. + temp_xrpath= + for libdir in $xrpath; do + func_replace_sysroot "$libdir" + func_append temp_xrpath " -R$func_replace_sysroot_result" + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + done + if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then + dependency_libs="$temp_xrpath $dependency_libs" + fi + fi + + # Make sure dlfiles contains only unique files that won't be dlpreopened + old_dlfiles="$dlfiles" + dlfiles= + for lib in $old_dlfiles; do + case " $dlprefiles $dlfiles " in + *" $lib "*) ;; + *) func_append dlfiles " $lib" ;; + esac + done + + # Make sure dlprefiles contains only unique files + old_dlprefiles="$dlprefiles" + dlprefiles= + for lib in $old_dlprefiles; do + case "$dlprefiles " in + *" $lib "*) ;; + *) func_append dlprefiles " $lib" ;; + esac + done + + if test "$build_libtool_libs" = yes; then + if test -n "$rpath"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) + # these systems don't actually have a c library (as such)! + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C library is in the System framework + func_append deplibs " System.ltframework" + ;; + *-*-netbsd*) + # Don't link with libc until the a.out ld.so is fixed. + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc due to us having libc/libc_r. + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + ;; + *) + # Add libc to deplibs on all other systems if necessary. + if test "$build_libtool_need_lc" = "yes"; then + func_append deplibs " -lc" + fi + ;; + esac + fi + + # Transform deplibs into only deplibs that can be linked in shared. + name_save=$name + libname_save=$libname + release_save=$release + versuffix_save=$versuffix + major_save=$major + # I'm not sure if I'm treating the release correctly. I think + # release should show up in the -l (ie -lgmp5) so we don't want to + # add it in twice. Is that correct? + release="" + versuffix="" + major="" + newdeplibs= + droppeddeps=no + case $deplibs_check_method in + pass_all) + # Don't check for shared/static. Everything works. + # This might be a little naive. We might want to check + # whether the library exists or not. But this is on + # osf3 & osf4 and I'm not really sure... Just + # implementing what was already the behavior. + newdeplibs=$deplibs + ;; + test_compile) + # This code stresses the "libraries are programs" paradigm to its + # limits. Maybe even breaks it. We compile a program, linking it + # against the deplibs as a proxy for the library. Then we can check + # whether they linked in statically or dynamically with ldd. + $opt_dry_run || $RM conftest.c + cat > conftest.c </dev/null` + $nocaseglob + else + potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` + fi + for potent_lib in $potential_libs; do + # Follow soft links. + if ls -lLd "$potent_lib" 2>/dev/null | + $GREP " -> " >/dev/null; then + continue + fi + # The statement above tries to avoid entering an + # endless loop below, in case of cyclic links. + # We might still enter an endless loop, since a link + # loop can be closed while we follow links, + # but so what? + potlib="$potent_lib" + while test -h "$potlib" 2>/dev/null; do + potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'` + case $potliblink in + [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";; + *) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";; + esac + done + if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | + $SED -e 10q | + $EGREP "$file_magic_regex" > /dev/null; then + func_append newdeplibs " $a_deplib" + a_deplib="" + break 2 + fi + done + done + fi + if test -n "$a_deplib" ; then + droppeddeps=yes + echo + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because I did check the linker path looking for a file starting" + if test -z "$potlib" ; then + $ECHO "*** with $libname but no candidates were found. (...for file magic test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a file magic. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + func_append newdeplibs " $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + for a_deplib in $deplibs; do + case $a_deplib in + -l*) + func_stripname -l '' "$a_deplib" + name=$func_stripname_result + if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then + case " $predeps $postdeps " in + *" $a_deplib "*) + func_append newdeplibs " $a_deplib" + a_deplib="" + ;; + esac + fi + if test -n "$a_deplib" ; then + libname=`eval "\\$ECHO \"$libname_spec\""` + for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do + potential_libs=`ls $i/$libname[.-]* 2>/dev/null` + for potent_lib in $potential_libs; do + potlib="$potent_lib" # see symlink-check above in file_magic test + if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \ + $EGREP "$match_pattern_regex" > /dev/null; then + func_append newdeplibs " $a_deplib" + a_deplib="" + break 2 + fi + done + done + fi + if test -n "$a_deplib" ; then + droppeddeps=yes + echo + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because I did check the linker path looking for a file starting" + if test -z "$potlib" ; then + $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a regex pattern. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + func_append newdeplibs " $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + none | unknown | *) + newdeplibs="" + tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` + if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then + for i in $predeps $postdeps ; do + # can't use Xsed below, because $i might contain '/' + tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"` + done + fi + case $tmp_deplibs in + *[!\ \ ]*) + echo + if test "X$deplibs_check_method" = "Xnone"; then + echo "*** Warning: inter-library dependencies are not supported in this platform." + else + echo "*** Warning: inter-library dependencies are not known to be supported." + fi + echo "*** All declared inter-library dependencies are being dropped." + droppeddeps=yes + ;; + esac + ;; + esac + versuffix=$versuffix_save + major=$major_save + release=$release_save + libname=$libname_save + name=$name_save + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library with the System framework + newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` + ;; + esac + + if test "$droppeddeps" = yes; then + if test "$module" = yes; then + echo + echo "*** Warning: libtool could not satisfy all declared inter-library" + $ECHO "*** dependencies of module $libname. Therefore, libtool will create" + echo "*** a static module, that should work as long as the dlopening" + echo "*** application is linked with the -dlopen flag." + if test -z "$global_symbol_pipe"; then + echo + echo "*** However, this would only work if libtool was able to extract symbol" + echo "*** lists from a program, using \`nm' or equivalent, but libtool could" + echo "*** not find such a program. So, this module is probably useless." + echo "*** \`nm' from GNU binutils and a full rebuild may help." + fi + if test "$build_old_libs" = no; then + oldlibs="$output_objdir/$libname.$libext" + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + else + echo "*** The inter-library dependencies that have been dropped here will be" + echo "*** automatically added whenever a program is linked with this library" + echo "*** or is declared to -dlopen it." + + if test "$allow_undefined" = no; then + echo + echo "*** Since this library must not contain undefined symbols," + echo "*** because either the platform does not support them or" + echo "*** it was explicitly requested with -no-undefined," + echo "*** libtool will only create a static version of it." + if test "$build_old_libs" = no; then + oldlibs="$output_objdir/$libname.$libext" + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + fi + fi + # Done checking deplibs! + deplibs=$newdeplibs + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + case $host in + *-*-darwin*) + newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $deplibs " in + *" -L$path/$objdir "*) + func_append new_libs " -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) func_append new_libs " $deplib" ;; + esac + ;; + *) func_append new_libs " $deplib" ;; + esac + done + deplibs="$new_libs" + + # All the library-specific variables (install_libdir is set above). + library_names= + old_library= + dlname= + + # Test again, we may have decided not to build it any more + if test "$build_libtool_libs" = yes; then + # Remove ${wl} instances when linking with ld. + # FIXME: should test the right _cmds variable. + case $archive_cmds in + *\$LD\ *) wl= ;; + esac + if test "$hardcode_into_libs" = yes; then + # Hardcode the library paths + hardcode_libdirs= + dep_rpath= + rpath="$finalize_rpath" + test "$opt_mode" != relink && rpath="$compile_rpath$rpath" + for libdir in $rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + func_replace_sysroot "$libdir" + libdir=$func_replace_sysroot_result + if test -z "$hardcode_libdirs"; then + hardcode_libdirs="$libdir" + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append dep_rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) func_append perm_rpath " $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir="$hardcode_libdirs" + eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" + fi + if test -n "$runpath_var" && test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + func_append rpath "$dir:" + done + eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" + fi + test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" + fi + + shlibpath="$finalize_shlibpath" + test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath" + if test -n "$shlibpath"; then + eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" + fi + + # Get the real and link names of the library. + eval shared_ext=\"$shrext_cmds\" + eval library_names=\"$library_names_spec\" + set dummy $library_names + shift + realname="$1" + shift + + if test -n "$soname_spec"; then + eval soname=\"$soname_spec\" + else + soname="$realname" + fi + if test -z "$dlname"; then + dlname=$soname + fi + + lib="$output_objdir/$realname" + linknames= + for link + do + func_append linknames " $link" + done + + # Use standard objects if they are pic + test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` + test "X$libobjs" = "X " && libobjs= + + delfiles= + if test -n "$export_symbols" && test -n "$include_expsyms"; then + $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" + export_symbols="$output_objdir/$libname.uexp" + func_append delfiles " $export_symbols" + fi + + orig_export_symbols= + case $host_os in + cygwin* | mingw* | cegcc*) + if test -n "$export_symbols" && test -z "$export_symbols_regex"; then + # exporting using user supplied symfile + if test "x`$SED 1q $export_symbols`" != xEXPORTS; then + # and it's NOT already a .def file. Must figure out + # which of the given symbols are data symbols and tag + # them as such. So, trigger use of export_symbols_cmds. + # export_symbols gets reassigned inside the "prepare + # the list of exported symbols" if statement, so the + # include_expsyms logic still works. + orig_export_symbols="$export_symbols" + export_symbols= + always_export_symbols=yes + fi + fi + ;; + esac + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then + func_verbose "generating symbol list for \`$libname.la'" + export_symbols="$output_objdir/$libname.exp" + $opt_dry_run || $RM $export_symbols + cmds=$export_symbols_cmds + save_ifs="$IFS"; IFS='~' + for cmd1 in $cmds; do + IFS="$save_ifs" + # Take the normal branch if the nm_file_list_spec branch + # doesn't work or if tool conversion is not needed. + case $nm_file_list_spec~$to_tool_file_cmd in + *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) + try_normal_branch=yes + eval cmd=\"$cmd1\" + func_len " $cmd" + len=$func_len_result + ;; + *) + try_normal_branch=no + ;; + esac + if test "$try_normal_branch" = yes \ + && { test "$len" -lt "$max_cmd_len" \ + || test "$max_cmd_len" -le -1; } + then + func_show_eval "$cmd" 'exit $?' + skipped_export=false + elif test -n "$nm_file_list_spec"; then + func_basename "$output" + output_la=$func_basename_result + save_libobjs=$libobjs + save_output=$output + output=${output_objdir}/${output_la}.nm + func_to_tool_file "$output" + libobjs=$nm_file_list_spec$func_to_tool_file_result + func_append delfiles " $output" + func_verbose "creating $NM input file list: $output" + for obj in $save_libobjs; do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" + done > "$output" + eval cmd=\"$cmd1\" + func_show_eval "$cmd" 'exit $?' + output=$save_output + libobjs=$save_libobjs + skipped_export=false + else + # The command line is too long to execute in one step. + func_verbose "using reloadable object file for export list..." + skipped_export=: + # Break out early, otherwise skipped_export may be + # set to false by a later but shorter cmd. + break + fi + done + IFS="$save_ifs" + if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + fi + + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols="$export_symbols" + test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" + $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' + fi + + if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + func_append delfiles " $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + + tmp_deplibs= + for test_deplib in $deplibs; do + case " $convenience " in + *" $test_deplib "*) ;; + *) + func_append tmp_deplibs " $test_deplib" + ;; + esac + done + deplibs="$tmp_deplibs" + + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec" && + test "$compiler_needs_object" = yes && + test -z "$libobjs"; then + # extract the archives, so we have objects to list. + # TODO: could optimize this to just extract one archive. + whole_archive_flag_spec= + fi + if test -n "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + else + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + + func_extract_archives $gentop $convenience + func_append libobjs " $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + fi + + if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then + eval flag=\"$thread_safe_flag_spec\" + func_append linker_flags " $flag" + fi + + # Make a backup of the uninstalled library when relinking + if test "$opt_mode" = relink; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? + fi + + # Do each of the archive commands. + if test "$module" = yes && test -n "$module_cmds" ; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + eval test_cmds=\"$module_expsym_cmds\" + cmds=$module_expsym_cmds + else + eval test_cmds=\"$module_cmds\" + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + eval test_cmds=\"$archive_expsym_cmds\" + cmds=$archive_expsym_cmds + else + eval test_cmds=\"$archive_cmds\" + cmds=$archive_cmds + fi + fi + + if test "X$skipped_export" != "X:" && + func_len " $test_cmds" && + len=$func_len_result && + test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + : + else + # The command line is too long to link in one step, link piecewise + # or, if using GNU ld and skipped_export is not :, use a linker + # script. + + # Save the value of $output and $libobjs because we want to + # use them later. If we have whole_archive_flag_spec, we + # want to use save_libobjs as it was before + # whole_archive_flag_spec was expanded, because we can't + # assume the linker understands whole_archive_flag_spec. + # This may have to be revisited, in case too many + # convenience libraries get linked in and end up exceeding + # the spec. + if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + fi + save_output=$output + func_basename "$output" + output_la=$func_basename_result + + # Clear the reloadable object creation command queue and + # initialize k to one. + test_cmds= + concat_cmds= + objlist= + last_robj= + k=1 + + if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then + output=${output_objdir}/${output_la}.lnkscript + func_verbose "creating GNU ld script: $output" + echo 'INPUT (' > $output + for obj in $save_libobjs + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" >> $output + done + echo ')' >> $output + func_append delfiles " $output" + func_to_tool_file "$output" + output=$func_to_tool_file_result + elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then + output=${output_objdir}/${output_la}.lnk + func_verbose "creating linker input file list: $output" + : > $output + set x $save_libobjs + shift + firstobj= + if test "$compiler_needs_object" = yes; then + firstobj="$1 " + shift + fi + for obj + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" >> $output + done + func_append delfiles " $output" + func_to_tool_file "$output" + output=$firstobj\"$file_list_spec$func_to_tool_file_result\" + else + if test -n "$save_libobjs"; then + func_verbose "creating reloadable object files..." + output=$output_objdir/$output_la-${k}.$objext + eval test_cmds=\"$reload_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + + # Loop over the list of objects to be linked. + for obj in $save_libobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + if test "X$objlist" = X || + test "$len" -lt "$max_cmd_len"; then + func_append objlist " $obj" + else + # The command $test_cmds is almost too long, add a + # command to the queue. + if test "$k" -eq 1 ; then + # The first file doesn't have a previous command to add. + reload_objs=$objlist + eval concat_cmds=\"$reload_cmds\" + else + # All subsequent reloadable object files will link in + # the last one created. + reload_objs="$objlist $last_robj" + eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" + fi + last_robj=$output_objdir/$output_la-${k}.$objext + func_arith $k + 1 + k=$func_arith_result + output=$output_objdir/$output_la-${k}.$objext + objlist=" $obj" + func_len " $last_robj" + func_arith $len0 + $func_len_result + len=$func_arith_result + fi + done + # Handle the remaining objects by creating one last + # reloadable object file. All subsequent reloadable object + # files will link in the last one created. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + reload_objs="$objlist $last_robj" + eval concat_cmds=\"\${concat_cmds}$reload_cmds\" + if test -n "$last_robj"; then + eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" + fi + func_append delfiles " $output" + + else + output= + fi + + if ${skipped_export-false}; then + func_verbose "generating symbol list for \`$libname.la'" + export_symbols="$output_objdir/$libname.exp" + $opt_dry_run || $RM $export_symbols + libobjs=$output + # Append the command to create the export file. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" + if test -n "$last_robj"; then + eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" + fi + fi + + test -n "$save_libobjs" && + func_verbose "creating a temporary reloadable object file: $output" + + # Loop through the commands generated above and execute them. + save_ifs="$IFS"; IFS='~' + for cmd in $concat_cmds; do + IFS="$save_ifs" + $opt_silent || { + func_quote_for_expand "$cmd" + eval "func_echo $func_quote_for_expand_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test "$opt_mode" = relink; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS="$save_ifs" + + if test -n "$export_symbols_regex" && ${skipped_export-false}; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + + if ${skipped_export-false}; then + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols="$export_symbols" + test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" + $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' + fi + + if test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + func_append delfiles " $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + fi + + libobjs=$output + # Restore the value of output. + output=$save_output + + if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + fi + # Expand the library linking commands again to reset the + # value of $libobjs for piecewise linking. + + # Do each of the archive commands. + if test "$module" = yes && test -n "$module_cmds" ; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + cmds=$module_expsym_cmds + else + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + cmds=$archive_expsym_cmds + else + cmds=$archive_cmds + fi + fi + fi + + if test -n "$delfiles"; then + # Append the command to remove temporary files to $cmds. + eval cmds=\"\$cmds~\$RM $delfiles\" + fi + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + + func_extract_archives $gentop $dlprefiles + func_append libobjs " $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + + save_ifs="$IFS"; IFS='~' + for cmd in $cmds; do + IFS="$save_ifs" + eval cmd=\"$cmd\" + $opt_silent || { + func_quote_for_expand "$cmd" + eval "func_echo $func_quote_for_expand_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test "$opt_mode" = relink; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS="$save_ifs" + + # Restore the uninstalled library and exit + if test "$opt_mode" = relink; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? + + if test -n "$convenience"; then + if test -z "$whole_archive_flag_spec"; then + func_show_eval '${RM}r "$gentop"' + fi + fi + + exit $EXIT_SUCCESS + fi + + # Create links to the real library. + for linkname in $linknames; do + if test "$realname" != "$linkname"; then + func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' + fi + done + + # If -module or -export-dynamic was specified, set the dlname. + if test "$module" = yes || test "$export_dynamic" = yes; then + # On all known operating systems, these are identical. + dlname="$soname" + fi + fi + ;; + + obj) + if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then + func_warning "\`-dlopen' is ignored for objects" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "\`-l' and \`-L' are ignored for objects" ;; + esac + + test -n "$rpath" && \ + func_warning "\`-rpath' is ignored for objects" + + test -n "$xrpath" && \ + func_warning "\`-R' is ignored for objects" + + test -n "$vinfo" && \ + func_warning "\`-version-info' is ignored for objects" + + test -n "$release" && \ + func_warning "\`-release' is ignored for objects" + + case $output in + *.lo) + test -n "$objs$old_deplibs" && \ + func_fatal_error "cannot build library object \`$output' from non-libtool objects" + + libobj=$output + func_lo2o "$libobj" + obj=$func_lo2o_result + ;; + *) + libobj= + obj="$output" + ;; + esac + + # Delete the old objects. + $opt_dry_run || $RM $obj $libobj + + # Objects from convenience libraries. This assumes + # single-version convenience libraries. Whenever we create + # different ones for PIC/non-PIC, this we'll have to duplicate + # the extraction. + reload_conv_objs= + gentop= + # reload_cmds runs $LD directly, so let us get rid of + # -Wl from whole_archive_flag_spec and hope we can get by with + # turning comma into space.. + wl= + + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec"; then + eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" + reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` + else + gentop="$output_objdir/${obj}x" + func_append generated " $gentop" + + func_extract_archives $gentop $convenience + reload_conv_objs="$reload_objs $func_extract_archives_result" + fi + fi + + # If we're not building shared, we need to use non_pic_objs + test "$build_libtool_libs" != yes && libobjs="$non_pic_objects" + + # Create the old-style object. + reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test + + output="$obj" + func_execute_cmds "$reload_cmds" 'exit $?' + + # Exit if we aren't doing a library object file. + if test -z "$libobj"; then + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + fi + + if test "$build_libtool_libs" != yes; then + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + # Create an invalid libtool object if no PIC, so that we don't + # accidentally link it into a program. + # $show "echo timestamp > $libobj" + # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? + exit $EXIT_SUCCESS + fi + + if test -n "$pic_flag" || test "$pic_mode" != default; then + # Only do commands if we really have different PIC objects. + reload_objs="$libobjs $reload_conv_objs" + output="$libobj" + func_execute_cmds "$reload_cmds" 'exit $?' + fi + + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + ;; + + prog) + case $host in + *cygwin*) func_stripname '' '.exe' "$output" + output=$func_stripname_result.exe;; + esac + test -n "$vinfo" && \ + func_warning "\`-version-info' is ignored for programs" + + test -n "$release" && \ + func_warning "\`-release' is ignored for programs" + + test "$preload" = yes \ + && test "$dlopen_support" = unknown \ + && test "$dlopen_self" = unknown \ + && test "$dlopen_self_static" = unknown && \ + func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library is the System framework + compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` + finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` + ;; + esac + + case $host in + *-*-darwin*) + # Don't allow lazy linking, it breaks C++ global constructors + # But is supposedly fixed on 10.4 or later (yay!). + if test "$tagname" = CXX ; then + case ${MACOSX_DEPLOYMENT_TARGET-10.0} in + 10.[0123]) + func_append compile_command " ${wl}-bind_at_load" + func_append finalize_command " ${wl}-bind_at_load" + ;; + esac + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $compile_deplibs " in + *" -L$path/$objdir "*) + func_append new_libs " -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $compile_deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) func_append new_libs " $deplib" ;; + esac + ;; + *) func_append new_libs " $deplib" ;; + esac + done + compile_deplibs="$new_libs" + + + func_append compile_command " $compile_deplibs" + func_append finalize_command " $finalize_deplibs" + + if test -n "$rpath$xrpath"; then + # If the user specified any rpath flags, then add them. + for libdir in $rpath $xrpath; do + # This is the magic to use -rpath. + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + done + fi + + # Now hardcode the library paths + rpath= + hardcode_libdirs= + for libdir in $compile_rpath $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs="$libdir" + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) func_append perm_rpath " $libdir" ;; + esac + fi + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$libdir:"*) ;; + ::) dllsearchpath=$libdir;; + *) func_append dllsearchpath ":$libdir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) func_append dllsearchpath ":$testbindir";; + esac + ;; + esac + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir="$hardcode_libdirs" + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + compile_rpath="$rpath" + + rpath= + hardcode_libdirs= + for libdir in $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs="$libdir" + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$finalize_perm_rpath " in + *" $libdir "*) ;; + *) func_append finalize_perm_rpath " $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir="$hardcode_libdirs" + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + finalize_rpath="$rpath" + + if test -n "$libobjs" && test "$build_old_libs" = yes; then + # Transform all the library objects into standard objects. + compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` + finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` + fi + + func_generate_dlsyms "$outputname" "@PROGRAM@" "no" + + # template prelinking step + if test -n "$prelink_cmds"; then + func_execute_cmds "$prelink_cmds" 'exit $?' + fi + + wrappers_required=yes + case $host in + *cegcc* | *mingw32ce*) + # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. + wrappers_required=no + ;; + *cygwin* | *mingw* ) + if test "$build_libtool_libs" != yes; then + wrappers_required=no + fi + ;; + *) + if test "$need_relink" = no || test "$build_libtool_libs" != yes; then + wrappers_required=no + fi + ;; + esac + if test "$wrappers_required" = no; then + # Replace the output file specification. + compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` + link_command="$compile_command$compile_rpath" + + # We have no uninstalled library dependencies, so finalize right now. + exit_status=0 + func_show_eval "$link_command" 'exit_status=$?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + # Delete the generated files. + if test -f "$output_objdir/${outputname}S.${objext}"; then + func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' + fi + + exit $exit_status + fi + + if test -n "$compile_shlibpath$finalize_shlibpath"; then + compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" + fi + if test -n "$finalize_shlibpath"; then + finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" + fi + + compile_var= + finalize_var= + if test -n "$runpath_var"; then + if test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + func_append rpath "$dir:" + done + compile_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + if test -n "$finalize_perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $finalize_perm_rpath; do + func_append rpath "$dir:" + done + finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + fi + + if test "$no_install" = yes; then + # We don't need to create a wrapper script. + link_command="$compile_var$compile_command$compile_rpath" + # Replace the output file specification. + link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` + # Delete the old output file. + $opt_dry_run || $RM $output + # Link the executable and exit + func_show_eval "$link_command" 'exit $?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + exit $EXIT_SUCCESS + fi + + if test "$hardcode_action" = relink; then + # Fast installation is not supported + link_command="$compile_var$compile_command$compile_rpath" + relink_command="$finalize_var$finalize_command$finalize_rpath" + + func_warning "this platform does not like uninstalled shared libraries" + func_warning "\`$output' will be relinked during installation" + else + if test "$fast_install" != no; then + link_command="$finalize_var$compile_command$finalize_rpath" + if test "$fast_install" = yes; then + relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` + else + # fast_install is set to needless + relink_command= + fi + else + link_command="$compile_var$compile_command$compile_rpath" + relink_command="$finalize_var$finalize_command$finalize_rpath" + fi + fi + + # Replace the output file specification. + link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` + + # Delete the old output files. + $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname + + func_show_eval "$link_command" 'exit $?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output_objdir/$outputname" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + # Now create the wrapper script. + func_verbose "creating $output" + + # Quote the relink command for shipping. + if test -n "$relink_command"; then + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_for_eval "$var_value" + relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" + fi + done + relink_command="(cd `pwd`; $relink_command)" + relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` + fi + + # Only actually do things if not in dry run mode. + $opt_dry_run || { + # win32 will think the script is a binary if it has + # a .exe suffix, so we strip it off here. + case $output in + *.exe) func_stripname '' '.exe' "$output" + output=$func_stripname_result ;; + esac + # test for cygwin because mv fails w/o .exe extensions + case $host in + *cygwin*) + exeext=.exe + func_stripname '' '.exe' "$outputname" + outputname=$func_stripname_result ;; + *) exeext= ;; + esac + case $host in + *cygwin* | *mingw* ) + func_dirname_and_basename "$output" "" "." + output_name=$func_basename_result + output_path=$func_dirname_result + cwrappersource="$output_path/$objdir/lt-$output_name.c" + cwrapper="$output_path/$output_name.exe" + $RM $cwrappersource $cwrapper + trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 + + func_emit_cwrapperexe_src > $cwrappersource + + # The wrapper executable is built using the $host compiler, + # because it contains $host paths and files. If cross- + # compiling, it, like the target executable, must be + # executed on the $host or under an emulation environment. + $opt_dry_run || { + $LTCC $LTCFLAGS -o $cwrapper $cwrappersource + $STRIP $cwrapper + } + + # Now, create the wrapper script for func_source use: + func_ltwrapper_scriptname $cwrapper + $RM $func_ltwrapper_scriptname_result + trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 + $opt_dry_run || { + # note: this script will not be executed, so do not chmod. + if test "x$build" = "x$host" ; then + $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result + else + func_emit_wrapper no > $func_ltwrapper_scriptname_result + fi + } + ;; + * ) + $RM $output + trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 + + func_emit_wrapper no > $output + chmod +x $output + ;; + esac + } + exit $EXIT_SUCCESS + ;; + esac + + # See if we need to build an old-fashioned archive. + for oldlib in $oldlibs; do + + if test "$build_libtool_libs" = convenience; then + oldobjs="$libobjs_save $symfileobj" + addlibs="$convenience" + build_libtool_libs=no + else + if test "$build_libtool_libs" = module; then + oldobjs="$libobjs_save" + build_libtool_libs=no + else + oldobjs="$old_deplibs $non_pic_objects" + if test "$preload" = yes && test -f "$symfileobj"; then + func_append oldobjs " $symfileobj" + fi + fi + addlibs="$old_convenience" + fi + + if test -n "$addlibs"; then + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + + func_extract_archives $gentop $addlibs + func_append oldobjs " $func_extract_archives_result" + fi + + # Do each command in the archive commands. + if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then + cmds=$old_archive_from_new_cmds + else + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + + func_extract_archives $gentop $dlprefiles + func_append oldobjs " $func_extract_archives_result" + fi + + # POSIX demands no paths to be encoded in archives. We have + # to avoid creating archives with duplicate basenames if we + # might have to extract them afterwards, e.g., when creating a + # static archive out of a convenience library, or when linking + # the entirety of a libtool archive into another (currently + # not supported by libtool). + if (for obj in $oldobjs + do + func_basename "$obj" + $ECHO "$func_basename_result" + done | sort | sort -uc >/dev/null 2>&1); then + : + else + echo "copying selected object files to avoid basename conflicts..." + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + func_mkdir_p "$gentop" + save_oldobjs=$oldobjs + oldobjs= + counter=1 + for obj in $save_oldobjs + do + func_basename "$obj" + objbase="$func_basename_result" + case " $oldobjs " in + " ") oldobjs=$obj ;; + *[\ /]"$objbase "*) + while :; do + # Make sure we don't pick an alternate name that also + # overlaps. + newobj=lt$counter-$objbase + func_arith $counter + 1 + counter=$func_arith_result + case " $oldobjs " in + *[\ /]"$newobj "*) ;; + *) if test ! -f "$gentop/$newobj"; then break; fi ;; + esac + done + func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" + func_append oldobjs " $gentop/$newobj" + ;; + *) func_append oldobjs " $obj" ;; + esac + done + fi + func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 + tool_oldlib=$func_to_tool_file_result + eval cmds=\"$old_archive_cmds\" + + func_len " $cmds" + len=$func_len_result + if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + cmds=$old_archive_cmds + elif test -n "$archiver_list_spec"; then + func_verbose "using command file archive linking..." + for obj in $oldobjs + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" + done > $output_objdir/$libname.libcmd + func_to_tool_file "$output_objdir/$libname.libcmd" + oldobjs=" $archiver_list_spec$func_to_tool_file_result" + cmds=$old_archive_cmds + else + # the command line is too long to link in one step, link in parts + func_verbose "using piecewise archive linking..." + save_RANLIB=$RANLIB + RANLIB=: + objlist= + concat_cmds= + save_oldobjs=$oldobjs + oldobjs= + # Is there a better way of finding the last object in the list? + for obj in $save_oldobjs + do + last_oldobj=$obj + done + eval test_cmds=\"$old_archive_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + for obj in $save_oldobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + func_append objlist " $obj" + if test "$len" -lt "$max_cmd_len"; then + : + else + # the above command should be used before it gets too long + oldobjs=$objlist + if test "$obj" = "$last_oldobj" ; then + RANLIB=$save_RANLIB + fi + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\" + objlist= + len=$len0 + fi + done + RANLIB=$save_RANLIB + oldobjs=$objlist + if test "X$oldobjs" = "X" ; then + eval cmds=\"\$concat_cmds\" + else + eval cmds=\"\$concat_cmds~\$old_archive_cmds\" + fi + fi + fi + func_execute_cmds "$cmds" 'exit $?' + done + + test -n "$generated" && \ + func_show_eval "${RM}r$generated" + + # Now create the libtool archive. + case $output in + *.la) + old_library= + test "$build_old_libs" = yes && old_library="$libname.$libext" + func_verbose "creating $output" + + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_for_eval "$var_value" + relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" + fi + done + # Quote the link command for shipping. + relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)" + relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` + if test "$hardcode_automatic" = yes ; then + relink_command= + fi + + # Only create the output if not a dry run. + $opt_dry_run || { + for installed in no yes; do + if test "$installed" = yes; then + if test -z "$install_libdir"; then + break + fi + output="$output_objdir/$outputname"i + # Replace all uninstalled libtool libraries with the installed ones + newdependency_libs= + for deplib in $dependency_libs; do + case $deplib in + *.la) + func_basename "$deplib" + name="$func_basename_result" + func_resolve_sysroot "$deplib" + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result` + test -z "$libdir" && \ + func_fatal_error "\`$deplib' is not a valid libtool archive" + func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name" + ;; + -L*) + func_stripname -L '' "$deplib" + func_replace_sysroot "$func_stripname_result" + func_append newdependency_libs " -L$func_replace_sysroot_result" + ;; + -R*) + func_stripname -R '' "$deplib" + func_replace_sysroot "$func_stripname_result" + func_append newdependency_libs " -R$func_replace_sysroot_result" + ;; + *) func_append newdependency_libs " $deplib" ;; + esac + done + dependency_libs="$newdependency_libs" + newdlfiles= + + for lib in $dlfiles; do + case $lib in + *.la) + func_basename "$lib" + name="$func_basename_result" + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "\`$lib' is not a valid libtool archive" + func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name" + ;; + *) func_append newdlfiles " $lib" ;; + esac + done + dlfiles="$newdlfiles" + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + *.la) + # Only pass preopened files to the pseudo-archive (for + # eventual linking with the app. that links it) if we + # didn't already link the preopened objects directly into + # the library: + func_basename "$lib" + name="$func_basename_result" + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "\`$lib' is not a valid libtool archive" + func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name" + ;; + esac + done + dlprefiles="$newdlprefiles" + else + newdlfiles= + for lib in $dlfiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;; + *) abs=`pwd`"/$lib" ;; + esac + func_append newdlfiles " $abs" + done + dlfiles="$newdlfiles" + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;; + *) abs=`pwd`"/$lib" ;; + esac + func_append newdlprefiles " $abs" + done + dlprefiles="$newdlprefiles" + fi + $RM $output + # place dlname in correct position for cygwin + # In fact, it would be nice if we could use this code for all target + # systems that can't hard-code library paths into their executables + # and that have no shared library path variable independent of PATH, + # but it turns out we can't easily determine that from inspecting + # libtool variables, so we have to hard-code the OSs to which it + # applies here; at the moment, that means platforms that use the PE + # object format with DLL files. See the long comment at the top of + # tests/bindir.at for full details. + tdlname=$dlname + case $host,$output,$installed,$module,$dlname in + *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll) + # If a -bindir argument was supplied, place the dll there. + if test "x$bindir" != x ; + then + func_relative_path "$install_libdir" "$bindir" + tdlname=$func_relative_path_result$dlname + else + # Otherwise fall back on heuristic. + tdlname=../bin/$dlname + fi + ;; + esac + $ECHO > $output "\ +# $outputname - a libtool library file +# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION +# +# Please DO NOT delete this file! +# It is necessary for linking the library. + +# The name that we can dlopen(3). +dlname='$tdlname' + +# Names of this library. +library_names='$library_names' + +# The name of the static archive. +old_library='$old_library' + +# Linker flags that can not go in dependency_libs. +inherited_linker_flags='$new_inherited_linker_flags' + +# Libraries that this one depends upon. +dependency_libs='$dependency_libs' + +# Names of additional weak libraries provided by this library +weak_library_names='$weak_libs' + +# Version information for $libname. +current=$current +age=$age +revision=$revision + +# Is this an already installed library? +installed=$installed + +# Should we warn about portability when linking against -modules? +shouldnotlink=$module + +# Files to dlopen/dlpreopen +dlopen='$dlfiles' +dlpreopen='$dlprefiles' + +# Directory that this library needs to be installed in: +libdir='$install_libdir'" + if test "$installed" = no && test "$need_relink" = yes; then + $ECHO >> $output "\ +relink_command=\"$relink_command\"" + fi + done + } + + # Do a symbolic link so that the libtool archive can be found in + # LD_LIBRARY_PATH before the program is installed. + func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?' + ;; + esac + exit $EXIT_SUCCESS +} + +{ test "$opt_mode" = link || test "$opt_mode" = relink; } && + func_mode_link ${1+"$@"} + + +# func_mode_uninstall arg... +func_mode_uninstall () +{ + $opt_debug + RM="$nonopt" + files= + rmforce= + exit_status=0 + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic="$magic" + + for arg + do + case $arg in + -f) func_append RM " $arg"; rmforce=yes ;; + -*) func_append RM " $arg" ;; + *) func_append files " $arg" ;; + esac + done + + test -z "$RM" && \ + func_fatal_help "you must specify an RM program" + + rmdirs= + + for file in $files; do + func_dirname "$file" "" "." + dir="$func_dirname_result" + if test "X$dir" = X.; then + odir="$objdir" + else + odir="$dir/$objdir" + fi + func_basename "$file" + name="$func_basename_result" + test "$opt_mode" = uninstall && odir="$dir" + + # Remember odir for removal later, being careful to avoid duplicates + if test "$opt_mode" = clean; then + case " $rmdirs " in + *" $odir "*) ;; + *) func_append rmdirs " $odir" ;; + esac + fi + + # Don't error if the file doesn't exist and rm -f was used. + if { test -L "$file"; } >/dev/null 2>&1 || + { test -h "$file"; } >/dev/null 2>&1 || + test -f "$file"; then + : + elif test -d "$file"; then + exit_status=1 + continue + elif test "$rmforce" = yes; then + continue + fi + + rmfiles="$file" + + case $name in + *.la) + # Possibly a libtool archive, so verify it. + if func_lalib_p "$file"; then + func_source $dir/$name + + # Delete the libtool libraries and symlinks. + for n in $library_names; do + func_append rmfiles " $odir/$n" + done + test -n "$old_library" && func_append rmfiles " $odir/$old_library" + + case "$opt_mode" in + clean) + case " $library_names " in + *" $dlname "*) ;; + *) test -n "$dlname" && func_append rmfiles " $odir/$dlname" ;; + esac + test -n "$libdir" && func_append rmfiles " $odir/$name $odir/${name}i" + ;; + uninstall) + if test -n "$library_names"; then + # Do each command in the postuninstall commands. + func_execute_cmds "$postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1' + fi + + if test -n "$old_library"; then + # Do each command in the old_postuninstall commands. + func_execute_cmds "$old_postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1' + fi + # FIXME: should reinstall the best remaining shared library. + ;; + esac + fi + ;; + + *.lo) + # Possibly a libtool object, so verify it. + if func_lalib_p "$file"; then + + # Read the .lo file + func_source $dir/$name + + # Add PIC object to the list of files to remove. + if test -n "$pic_object" && + test "$pic_object" != none; then + func_append rmfiles " $dir/$pic_object" + fi + + # Add non-PIC object to the list of files to remove. + if test -n "$non_pic_object" && + test "$non_pic_object" != none; then + func_append rmfiles " $dir/$non_pic_object" + fi + fi + ;; + + *) + if test "$opt_mode" = clean ; then + noexename=$name + case $file in + *.exe) + func_stripname '' '.exe' "$file" + file=$func_stripname_result + func_stripname '' '.exe' "$name" + noexename=$func_stripname_result + # $file with .exe has already been added to rmfiles, + # add $file without .exe + func_append rmfiles " $file" + ;; + esac + # Do a test to see if this is a libtool program. + if func_ltwrapper_p "$file"; then + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + relink_command= + func_source $func_ltwrapper_scriptname_result + func_append rmfiles " $func_ltwrapper_scriptname_result" + else + relink_command= + func_source $dir/$noexename + fi + + # note $name still contains .exe if it was in $file originally + # as does the version of $file that was added into $rmfiles + func_append rmfiles " $odir/$name $odir/${name}S.${objext}" + if test "$fast_install" = yes && test -n "$relink_command"; then + func_append rmfiles " $odir/lt-$name" + fi + if test "X$noexename" != "X$name" ; then + func_append rmfiles " $odir/lt-${noexename}.c" + fi + fi + fi + ;; + esac + func_show_eval "$RM $rmfiles" 'exit_status=1' + done + + # Try to remove the ${objdir}s in the directories where we deleted files + for dir in $rmdirs; do + if test -d "$dir"; then + func_show_eval "rmdir $dir >/dev/null 2>&1" + fi + done + + exit $exit_status +} + +{ test "$opt_mode" = uninstall || test "$opt_mode" = clean; } && + func_mode_uninstall ${1+"$@"} + +test -z "$opt_mode" && { + help="$generic_help" + func_fatal_help "you must specify a MODE" +} + +test -z "$exec_cmd" && \ + func_fatal_help "invalid operation mode \`$opt_mode'" + +if test -n "$exec_cmd"; then + eval exec "$exec_cmd" + exit $EXIT_FAILURE +fi + +exit $exit_status + + +# The TAGs below are defined such that we never get into a situation +# in which we disable both kinds of libraries. Given conflicting +# choices, we go for a static library, that is the most portable, +# since we can't tell whether shared libraries were disabled because +# the user asked for that or because the platform doesn't support +# them. This is particularly important on AIX, because we don't +# support having both static and shared libraries enabled at the same +# time on that platform, so we default to a shared-only configuration. +# If a disable-shared tag is given, we'll fallback to a static-only +# configuration. But we'll never go from static-only to shared-only. + +# ### BEGIN LIBTOOL TAG CONFIG: disable-shared +build_libtool_libs=no +build_old_libs=yes +# ### END LIBTOOL TAG CONFIG: disable-shared + +# ### BEGIN LIBTOOL TAG CONFIG: disable-static +build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac` +# ### END LIBTOOL TAG CONFIG: disable-static + +# Local Variables: +# mode:shell-script +# sh-indentation:2 +# End: +# vi:sw=2 + diff --git a/config/ltoptions.m4 b/config/ltoptions.m4 new file mode 100644 index 0000000..5d9acd8 --- /dev/null +++ b/config/ltoptions.m4 @@ -0,0 +1,384 @@ +# Helper functions for option handling. -*- Autoconf -*- +# +# Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 7 ltoptions.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) + + +# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) +# ------------------------------------------ +m4_define([_LT_MANGLE_OPTION], +[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) + + +# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) +# --------------------------------------- +# Set option OPTION-NAME for macro MACRO-NAME, and if there is a +# matching handler defined, dispatch to it. Other OPTION-NAMEs are +# saved as a flag. +m4_define([_LT_SET_OPTION], +[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl +m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), + _LT_MANGLE_DEFUN([$1], [$2]), + [m4_warning([Unknown $1 option `$2'])])[]dnl +]) + + +# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) +# ------------------------------------------------------------ +# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. +m4_define([_LT_IF_OPTION], +[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) + + +# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) +# ------------------------------------------------------- +# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME +# are set. +m4_define([_LT_UNLESS_OPTIONS], +[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), + [m4_define([$0_found])])])[]dnl +m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 +])[]dnl +]) + + +# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) +# ---------------------------------------- +# OPTION-LIST is a space-separated list of Libtool options associated +# with MACRO-NAME. If any OPTION has a matching handler declared with +# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about +# the unknown option and exit. +m4_defun([_LT_SET_OPTIONS], +[# Set options +m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [_LT_SET_OPTION([$1], _LT_Option)]) + +m4_if([$1],[LT_INIT],[ + dnl + dnl Simply set some default values (i.e off) if boolean options were not + dnl specified: + _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no + ]) + _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no + ]) + dnl + dnl If no reference was made to various pairs of opposing options, then + dnl we run the default mode handler for the pair. For example, if neither + dnl `shared' nor `disable-shared' was passed, we enable building of shared + dnl archives by default: + _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) + _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], + [_LT_ENABLE_FAST_INSTALL]) + ]) +])# _LT_SET_OPTIONS + + +## --------------------------------- ## +## Macros to handle LT_INIT options. ## +## --------------------------------- ## + +# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) +# ----------------------------------------- +m4_define([_LT_MANGLE_DEFUN], +[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) + + +# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) +# ----------------------------------------------- +m4_define([LT_OPTION_DEFINE], +[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl +])# LT_OPTION_DEFINE + + +# dlopen +# ------ +LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes +]) + +AU_DEFUN([AC_LIBTOOL_DLOPEN], +[_LT_SET_OPTION([LT_INIT], [dlopen]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the `dlopen' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) + + +# win32-dll +# --------- +# Declare package support for building win32 dll's. +LT_OPTION_DEFINE([LT_INIT], [win32-dll], +[enable_win32_dll=yes + +case $host in +*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) + AC_CHECK_TOOL(AS, as, false) + AC_CHECK_TOOL(DLLTOOL, dlltool, false) + AC_CHECK_TOOL(OBJDUMP, objdump, false) + ;; +esac + +test -z "$AS" && AS=as +_LT_DECL([], [AS], [1], [Assembler program])dnl + +test -z "$DLLTOOL" && DLLTOOL=dlltool +_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl + +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl +])# win32-dll + +AU_DEFUN([AC_LIBTOOL_WIN32_DLL], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +_LT_SET_OPTION([LT_INIT], [win32-dll]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the `win32-dll' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) + + +# _LT_ENABLE_SHARED([DEFAULT]) +# ---------------------------- +# implement the --enable-shared flag, and supports the `shared' and +# `disable-shared' LT_INIT options. +# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. +m4_define([_LT_ENABLE_SHARED], +[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([shared], + [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], + [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) + + _LT_DECL([build_libtool_libs], [enable_shared], [0], + [Whether or not to build shared libraries]) +])# _LT_ENABLE_SHARED + +LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) +]) + +AC_DEFUN([AC_DISABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], [disable-shared]) +]) + +AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) +AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_SHARED], []) +dnl AC_DEFUN([AM_DISABLE_SHARED], []) + + + +# _LT_ENABLE_STATIC([DEFAULT]) +# ---------------------------- +# implement the --enable-static flag, and support the `static' and +# `disable-static' LT_INIT options. +# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. +m4_define([_LT_ENABLE_STATIC], +[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([static], + [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], + [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [enable_static=]_LT_ENABLE_STATIC_DEFAULT) + + _LT_DECL([build_old_libs], [enable_static], [0], + [Whether or not to build static libraries]) +])# _LT_ENABLE_STATIC + +LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) +]) + +AC_DEFUN([AC_DISABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], [disable-static]) +]) + +AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) +AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_STATIC], []) +dnl AC_DEFUN([AM_DISABLE_STATIC], []) + + + +# _LT_ENABLE_FAST_INSTALL([DEFAULT]) +# ---------------------------------- +# implement the --enable-fast-install flag, and support the `fast-install' +# and `disable-fast-install' LT_INIT options. +# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. +m4_define([_LT_ENABLE_FAST_INSTALL], +[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([fast-install], + [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], + [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) + +_LT_DECL([fast_install], [enable_fast_install], [0], + [Whether or not to optimize for fast installation])dnl +])# _LT_ENABLE_FAST_INSTALL + +LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) + +# Old names: +AU_DEFUN([AC_ENABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the `fast-install' option into LT_INIT's first parameter.]) +]) + +AU_DEFUN([AC_DISABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], [disable-fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the `disable-fast-install' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) +dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) + + +# _LT_WITH_PIC([MODE]) +# -------------------- +# implement the --with-pic flag, and support the `pic-only' and `no-pic' +# LT_INIT options. +# MODE is either `yes' or `no'. If omitted, it defaults to `both'. +m4_define([_LT_WITH_PIC], +[AC_ARG_WITH([pic], + [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@], + [try to use only PIC/non-PIC objects @<:@default=use both@:>@])], + [lt_p=${PACKAGE-default} + case $withval in + yes|no) pic_mode=$withval ;; + *) + pic_mode=default + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for lt_pkg in $withval; do + IFS="$lt_save_ifs" + if test "X$lt_pkg" = "X$lt_p"; then + pic_mode=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [pic_mode=default]) + +test -z "$pic_mode" && pic_mode=m4_default([$1], [default]) + +_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl +])# _LT_WITH_PIC + +LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])]) + +# Old name: +AU_DEFUN([AC_LIBTOOL_PICMODE], +[_LT_SET_OPTION([LT_INIT], [pic-only]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the `pic-only' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_PICMODE], []) + +## ----------------- ## +## LTDL_INIT Options ## +## ----------------- ## + +m4_define([_LTDL_MODE], []) +LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive], + [m4_define([_LTDL_MODE], [nonrecursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [recursive], + [m4_define([_LTDL_MODE], [recursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [subproject], + [m4_define([_LTDL_MODE], [subproject])]) + +m4_define([_LTDL_TYPE], []) +LT_OPTION_DEFINE([LTDL_INIT], [installable], + [m4_define([_LTDL_TYPE], [installable])]) +LT_OPTION_DEFINE([LTDL_INIT], [convenience], + [m4_define([_LTDL_TYPE], [convenience])]) diff --git a/config/ltsugar.m4 b/config/ltsugar.m4 new file mode 100644 index 0000000..9000a05 --- /dev/null +++ b/config/ltsugar.m4 @@ -0,0 +1,123 @@ +# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- +# +# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 6 ltsugar.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) + + +# lt_join(SEP, ARG1, [ARG2...]) +# ----------------------------- +# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their +# associated separator. +# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier +# versions in m4sugar had bugs. +m4_define([lt_join], +[m4_if([$#], [1], [], + [$#], [2], [[$2]], + [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) +m4_define([_lt_join], +[m4_if([$#$2], [2], [], + [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) + + +# lt_car(LIST) +# lt_cdr(LIST) +# ------------ +# Manipulate m4 lists. +# These macros are necessary as long as will still need to support +# Autoconf-2.59 which quotes differently. +m4_define([lt_car], [[$1]]) +m4_define([lt_cdr], +[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], + [$#], 1, [], + [m4_dquote(m4_shift($@))])]) +m4_define([lt_unquote], $1) + + +# lt_append(MACRO-NAME, STRING, [SEPARATOR]) +# ------------------------------------------ +# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. +# Note that neither SEPARATOR nor STRING are expanded; they are appended +# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). +# No SEPARATOR is output if MACRO-NAME was previously undefined (different +# than defined and empty). +# +# This macro is needed until we can rely on Autoconf 2.62, since earlier +# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. +m4_define([lt_append], +[m4_define([$1], + m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) + + + +# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) +# ---------------------------------------------------------- +# Produce a SEP delimited list of all paired combinations of elements of +# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list +# has the form PREFIXmINFIXSUFFIXn. +# Needed until we can rely on m4_combine added in Autoconf 2.62. +m4_define([lt_combine], +[m4_if(m4_eval([$# > 3]), [1], + [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl +[[m4_foreach([_Lt_prefix], [$2], + [m4_foreach([_Lt_suffix], + ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, + [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) + + +# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) +# ----------------------------------------------------------------------- +# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited +# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. +m4_define([lt_if_append_uniq], +[m4_ifdef([$1], + [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], + [lt_append([$1], [$2], [$3])$4], + [$5])], + [lt_append([$1], [$2], [$3])$4])]) + + +# lt_dict_add(DICT, KEY, VALUE) +# ----------------------------- +m4_define([lt_dict_add], +[m4_define([$1($2)], [$3])]) + + +# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) +# -------------------------------------------- +m4_define([lt_dict_add_subkey], +[m4_define([$1($2:$3)], [$4])]) + + +# lt_dict_fetch(DICT, KEY, [SUBKEY]) +# ---------------------------------- +m4_define([lt_dict_fetch], +[m4_ifval([$3], + m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), + m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) + + +# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) +# ----------------------------------------------------------------- +m4_define([lt_if_dict_fetch], +[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], + [$5], + [$6])]) + + +# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) +# -------------------------------------------------------------- +m4_define([lt_dict_filter], +[m4_if([$5], [], [], + [lt_join(m4_quote(m4_default([$4], [[, ]])), + lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), + [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl +]) diff --git a/config/ltversion.m4 b/config/ltversion.m4 new file mode 100644 index 0000000..07a8602 --- /dev/null +++ b/config/ltversion.m4 @@ -0,0 +1,23 @@ +# ltversion.m4 -- version numbers -*- Autoconf -*- +# +# Copyright (C) 2004 Free Software Foundation, Inc. +# Written by Scott James Remnant, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# @configure_input@ + +# serial 3337 ltversion.m4 +# This file is part of GNU Libtool + +m4_define([LT_PACKAGE_VERSION], [2.4.2]) +m4_define([LT_PACKAGE_REVISION], [1.3337]) + +AC_DEFUN([LTVERSION_VERSION], +[macro_version='2.4.2' +macro_revision='1.3337' +_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?]) +_LT_DECL(, macro_revision, 0) +]) diff --git a/config/lt~obsolete.m4 b/config/lt~obsolete.m4 new file mode 100644 index 0000000..c573da9 --- /dev/null +++ b/config/lt~obsolete.m4 @@ -0,0 +1,98 @@ +# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*- +# +# Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc. +# Written by Scott James Remnant, 2004. +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 5 lt~obsolete.m4 + +# These exist entirely to fool aclocal when bootstrapping libtool. +# +# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN) +# which have later been changed to m4_define as they aren't part of the +# exported API, or moved to Autoconf or Automake where they belong. +# +# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN +# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us +# using a macro with the same name in our local m4/libtool.m4 it'll +# pull the old libtool.m4 in (it doesn't see our shiny new m4_define +# and doesn't know about Autoconf macros at all.) +# +# So we provide this file, which has a silly filename so it's always +# included after everything else. This provides aclocal with the +# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything +# because those macros already exist, or will be overwritten later. +# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. +# +# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here. +# Yes, that means every name once taken will need to remain here until +# we give up compatibility with versions before 1.7, at which point +# we need to keep only those names which we still refer to. + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])]) + +m4_ifndef([AC_LIBTOOL_LINKER_OPTION], [AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])]) +m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP])]) +m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])]) +m4_ifndef([_LT_AC_SHELL_INIT], [AC_DEFUN([_LT_AC_SHELL_INIT])]) +m4_ifndef([_LT_AC_SYS_LIBPATH_AIX], [AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])]) 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See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +if test $# -eq 0; then + echo 1>&2 "Try '$0 --help' for more information" + exit 1 +fi + +case $1 in + + --is-lightweight) + # Used by our autoconf macros to check whether the available missing + # script is modern enough. + exit 0 + ;; + + --run) + # Back-compat with the calling convention used by older automake. + shift + ;; + + -h|--h|--he|--hel|--help) + echo "\ +$0 [OPTION]... PROGRAM [ARGUMENT]... + +Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due +to PROGRAM being missing or too old. + +Options: + -h, --help display this help and exit + -v, --version output version information and exit + +Supported PROGRAM values: + aclocal autoconf autoheader autom4te automake makeinfo + bison yacc flex lex help2man + +Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and +'g' are ignored when checking the name. + +Send bug reports to ." + exit $? + ;; + + -v|--v|--ve|--ver|--vers|--versi|--versio|--version) + echo "missing $scriptversion (GNU Automake)" + exit $? + ;; + + -*) + echo 1>&2 "$0: unknown '$1' option" + echo 1>&2 "Try '$0 --help' for more information" + exit 1 + ;; + +esac + +# Run the given program, remember its exit status. +"$@"; st=$? + +# If it succeeded, we are done. +test $st -eq 0 && exit 0 + +# Also exit now if we it failed (or wasn't found), and '--version' was +# passed; such an option is passed most likely to detect whether the +# program is present and works. +case $2 in --version|--help) exit $st;; esac + +# Exit code 63 means version mismatch. This often happens when the user +# tries to use an ancient version of a tool on a file that requires a +# minimum version. +if test $st -eq 63; then + msg="probably too old" +elif test $st -eq 127; then + # Program was missing. + msg="missing on your system" +else + # Program was found and executed, but failed. Give up. + exit $st +fi + +perl_URL=http://www.perl.org/ +flex_URL=http://flex.sourceforge.net/ +gnu_software_URL=http://www.gnu.org/software + +program_details () +{ + case $1 in + aclocal|automake) + echo "The '$1' program is part of the GNU Automake package:" + echo "<$gnu_software_URL/automake>" + echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:" + echo "<$gnu_software_URL/autoconf>" + echo "<$gnu_software_URL/m4/>" + echo "<$perl_URL>" + ;; + autoconf|autom4te|autoheader) + echo "The '$1' program is part of the GNU Autoconf package:" + echo "<$gnu_software_URL/autoconf/>" + echo "It also requires GNU m4 and Perl in order to run:" + echo "<$gnu_software_URL/m4/>" + echo "<$perl_URL>" + ;; + esac +} + +give_advice () +{ + # Normalize program name to check for. + normalized_program=`echo "$1" | sed ' + s/^gnu-//; t + s/^gnu//; t + s/^g//; t'` + + printf '%s\n' "'$1' is $msg." + + configure_deps="'configure.ac' or m4 files included by 'configure.ac'" + case $normalized_program in + autoconf*) + echo "You should only need it if you modified 'configure.ac'," + echo "or m4 files included by it." + program_details 'autoconf' + ;; + autoheader*) + echo "You should only need it if you modified 'acconfig.h' or" + echo "$configure_deps." + program_details 'autoheader' + ;; + automake*) + echo "You should only need it if you modified 'Makefile.am' or" + echo "$configure_deps." + program_details 'automake' + ;; + aclocal*) + echo "You should only need it if you modified 'acinclude.m4' or" + echo "$configure_deps." + program_details 'aclocal' + ;; + autom4te*) + echo "You might have modified some maintainer files that require" + echo "the 'autom4te' program to be rebuilt." + program_details 'autom4te' + ;; + bison*|yacc*) + echo "You should only need it if you modified a '.y' file." + echo "You may want to install the GNU Bison package:" + echo "<$gnu_software_URL/bison/>" + ;; + lex*|flex*) + echo "You should only need it if you modified a '.l' file." + echo "You may want to install the Fast Lexical Analyzer package:" + echo "<$flex_URL>" + ;; + help2man*) + echo "You should only need it if you modified a dependency" \ + "of a man page." + echo "You may want to install the GNU Help2man package:" + echo "<$gnu_software_URL/help2man/>" + ;; + makeinfo*) + echo "You should only need it if you modified a '.texi' file, or" + echo "any other file indirectly affecting the aspect of the manual." + echo "You might want to install the Texinfo package:" + echo "<$gnu_software_URL/texinfo/>" + echo "The spurious makeinfo call might also be the consequence of" + echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might" + echo "want to install GNU make:" + echo "<$gnu_software_URL/make/>" + ;; + *) + echo "You might have modified some files without having the proper" + echo "tools for further handling them. Check the 'README' file, it" + echo "often tells you about the needed prerequisites for installing" + echo "this package. You may also peek at any GNU archive site, in" + echo "case some other package contains this missing '$1' program." + ;; + esac +} + +give_advice "$1" | sed -e '1s/^/WARNING: /' \ + -e '2,$s/^/ /' >&2 + +# Propagate the correct exit status (expected to be 127 for a program +# not found, 63 for a program that failed due to version mismatch). +exit $st + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/config/py-compile b/config/py-compile new file mode 100755 index 0000000..46ea866 --- /dev/null +++ b/config/py-compile @@ -0,0 +1,170 @@ +#!/bin/sh +# py-compile - Compile a Python program + +scriptversion=2011-06-08.12; # UTC + +# Copyright (C) 2000-2013 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# This file is maintained in Automake, please report +# bugs to or send patches to +# . + +if [ -z "$PYTHON" ]; then + PYTHON=python +fi + +me=py-compile + +usage_error () +{ + echo "$me: $*" >&2 + echo "Try '$me --help' for more information." >&2 + exit 1 +} + +basedir= +destdir= +while test $# -ne 0; do + case "$1" in + --basedir) + if test $# -lt 2; then + usage_error "option '--basedir' requires an argument" + else + basedir=$2 + fi + shift + ;; + --destdir) + if test $# -lt 2; then + usage_error "option '--destdir' requires an argument" + else + destdir=$2 + fi + shift + ;; + -h|--help) + cat <<\EOF +Usage: py-compile [--help] [--version] [--basedir DIR] [--destdir DIR] FILES..." + +Byte compile some python scripts FILES. Use --destdir to specify any +leading directory path to the FILES that you don't want to include in the +byte compiled file. Specify --basedir for any additional path information you +do want to be shown in the byte compiled file. + +Example: + py-compile --destdir /tmp/pkg-root --basedir /usr/share/test test.py test2.py + +Report bugs to . +EOF + exit $? + ;; + -v|--version) + echo "$me $scriptversion" + exit $? + ;; + --) + shift + break + ;; + -*) + usage_error "unrecognized option '$1'" + ;; + *) + break + ;; + esac + shift +done + +files=$* +if test -z "$files"; then + usage_error "no files given" +fi + +# if basedir was given, then it should be prepended to filenames before +# byte compilation. +if [ -z "$basedir" ]; then + pathtrans="path = file" +else + pathtrans="path = os.path.join('$basedir', file)" +fi + +# if destdir was given, then it needs to be prepended to the filename to +# byte compile but not go into the compiled file. +if [ -z "$destdir" ]; then + filetrans="filepath = path" +else + filetrans="filepath = os.path.normpath('$destdir' + os.sep + path)" +fi + +$PYTHON -c " +import sys, os, py_compile, imp + +files = '''$files''' + +sys.stdout.write('Byte-compiling python modules...\n') +for file in files.split(): + $pathtrans + $filetrans + if not os.path.exists(filepath) or not (len(filepath) >= 3 + and filepath[-3:] == '.py'): + continue + sys.stdout.write(file) + sys.stdout.flush() + if hasattr(imp, 'get_tag'): + py_compile.compile(filepath, imp.cache_from_source(filepath), path) + else: + py_compile.compile(filepath, filepath + 'c', path) +sys.stdout.write('\n')" || exit $? + +# this will fail for python < 1.5, but that doesn't matter ... +$PYTHON -O -c " +import sys, os, py_compile, imp + +# pypy does not use .pyo optimization +if hasattr(sys, 'pypy_translation_info'): + sys.exit(0) + +files = '''$files''' +sys.stdout.write('Byte-compiling python modules (optimized versions) ...\n') +for file in files.split(): + $pathtrans + $filetrans + if not os.path.exists(filepath) or not (len(filepath) >= 3 + and filepath[-3:] == '.py'): + continue + sys.stdout.write(file) + sys.stdout.flush() + if hasattr(imp, 'get_tag'): + py_compile.compile(filepath, imp.cache_from_source(filepath, False), path) + else: + py_compile.compile(filepath, filepath + 'o', path) +sys.stdout.write('\n')" 2>/dev/null || : + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/config/tap-driver.sh b/config/tap-driver.sh new file mode 100755 index 0000000..4254e2b --- /dev/null +++ b/config/tap-driver.sh @@ -0,0 +1,651 @@ +#! /bin/sh +# Copyright (C) 2011-2014 Free Software Foundation, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# This file is maintained in Automake, please report +# bugs to or send patches to +# . + +scriptversion=2013-12-23.17; # UTC + +# Make unconditional expansion of undefined variables an error. This +# helps a lot in preventing typo-related bugs. +set -u + +me=tap-driver.sh + +fatal () +{ + echo "$me: fatal: $*" >&2 + exit 1 +} + +usage_error () +{ + echo "$me: $*" >&2 + print_usage >&2 + exit 2 +} + +print_usage () +{ + cat < + # + trap : 1 3 2 13 15 + if test $merge -gt 0; then + exec 2>&1 + else + exec 2>&3 + fi + "$@" + echo $? + ) | LC_ALL=C ${AM_TAP_AWK-awk} \ + -v me="$me" \ + -v test_script_name="$test_name" \ + -v log_file="$log_file" \ + -v trs_file="$trs_file" \ + -v expect_failure="$expect_failure" \ + -v merge="$merge" \ + -v ignore_exit="$ignore_exit" \ + -v comments="$comments" \ + -v diag_string="$diag_string" \ +' +# TODO: the usages of "cat >&3" below could be optimized when using +# GNU awk, and/on on systems that supports /dev/fd/. + +# Implementation note: in what follows, `result_obj` will be an +# associative array that (partly) simulates a TAP result object +# from the `TAP::Parser` perl module. + +## ----------- ## +## FUNCTIONS ## +## ----------- ## + +function fatal(msg) +{ + print me ": " msg | "cat >&2" + exit 1 +} + +function abort(where) +{ + fatal("internal error " where) +} + +# Convert a boolean to a "yes"/"no" string. +function yn(bool) +{ + return bool ? "yes" : "no"; +} + +function add_test_result(result) +{ + if (!test_results_index) + test_results_index = 0 + test_results_list[test_results_index] = result + test_results_index += 1 + test_results_seen[result] = 1; +} + +# Whether the test script should be re-run by "make recheck". +function must_recheck() +{ + for (k in test_results_seen) + if (k != "XFAIL" && k != "PASS" && k != "SKIP") + return 1 + return 0 +} + +# Whether the content of the log file associated to this test should +# be copied into the "global" test-suite.log. +function copy_in_global_log() +{ + for (k in test_results_seen) + if (k != "PASS") + return 1 + return 0 +} + +function get_global_test_result() +{ + if ("ERROR" in test_results_seen) + return "ERROR" + if ("FAIL" in test_results_seen || "XPASS" in test_results_seen) + return "FAIL" + all_skipped = 1 + for (k in test_results_seen) + if (k != "SKIP") + all_skipped = 0 + if (all_skipped) + return "SKIP" + return "PASS"; +} + +function stringify_result_obj(result_obj) +{ + if (result_obj["is_unplanned"] || result_obj["number"] != testno) + return "ERROR" + + if (plan_seen == LATE_PLAN) + return "ERROR" + + if (result_obj["directive"] == "TODO") + return result_obj["is_ok"] ? "XPASS" : "XFAIL" + + if (result_obj["directive"] == "SKIP") + return result_obj["is_ok"] ? "SKIP" : COOKED_FAIL; + + if (length(result_obj["directive"])) + abort("in function stringify_result_obj()") + + return result_obj["is_ok"] ? COOKED_PASS : COOKED_FAIL +} + +function decorate_result(result) +{ + color_name = color_for_result[result] + if (color_name) + return color_map[color_name] "" result "" color_map["std"] + # If we are not using colorized output, or if we do not know how + # to colorize the given result, we should return it unchanged. + return result +} + +function report(result, details) +{ + if (result ~ /^(X?(PASS|FAIL)|SKIP|ERROR)/) + { + msg = ": " test_script_name + add_test_result(result) + } + else if (result == "#") + { + msg = " " test_script_name ":" + } + else + { + abort("in function report()") + } + if (length(details)) + msg = msg " " details + # Output on console might be colorized. + print decorate_result(result) msg + # Log the result in the log file too, to help debugging (this is + # especially true when said result is a TAP error or "Bail out!"). + print result msg | "cat >&3"; +} + +function testsuite_error(error_message) +{ + report("ERROR", "- " error_message) +} + +function handle_tap_result() +{ + details = result_obj["number"]; + if (length(result_obj["description"])) + details = details " " result_obj["description"] + + if (plan_seen == LATE_PLAN) + { + details = details " # AFTER LATE PLAN"; + } + else if (result_obj["is_unplanned"]) + { + details = details " # UNPLANNED"; + } + else if (result_obj["number"] != testno) + { + details = sprintf("%s # OUT-OF-ORDER (expecting %d)", + details, testno); + } + else if (result_obj["directive"]) + { + details = details " # " result_obj["directive"]; + if (length(result_obj["explanation"])) + details = details " " result_obj["explanation"] + } + + report(stringify_result_obj(result_obj), details) +} + +# `skip_reason` should be empty whenever planned > 0. +function handle_tap_plan(planned, skip_reason) +{ + planned += 0 # Avoid getting confused if, say, `planned` is "00" + if (length(skip_reason) && planned > 0) + abort("in function handle_tap_plan()") + if (plan_seen) + { + # Error, only one plan per stream is acceptable. + testsuite_error("multiple test plans") + return; + } + planned_tests = planned + # The TAP plan can come before or after *all* the TAP results; we speak + # respectively of an "early" or a "late" plan. If we see the plan line + # after at least one TAP result has been seen, assume we have a late + # plan; in this case, any further test result seen after the plan will + # be flagged as an error. + plan_seen = (testno >= 1 ? LATE_PLAN : EARLY_PLAN) + # If testno > 0, we have an error ("too many tests run") that will be + # automatically dealt with later, so do not worry about it here. If + # $plan_seen is true, we have an error due to a repeated plan, and that + # has already been dealt with above. Otherwise, we have a valid "plan + # with SKIP" specification, and should report it as a particular kind + # of SKIP result. + if (planned == 0 && testno == 0) + { + if (length(skip_reason)) + skip_reason = "- " skip_reason; + report("SKIP", skip_reason); + } +} + +function extract_tap_comment(line) +{ + if (index(line, diag_string) == 1) + { + # Strip leading `diag_string` from `line`. + line = substr(line, length(diag_string) + 1) + # And strip any leading and trailing whitespace left. + sub("^[ \t]*", "", line) + sub("[ \t]*$", "", line) + # Return what is left (if any). + return line; + } + return ""; +} + +# When this function is called, we know that line is a TAP result line, +# so that it matches the (perl) RE "^(not )?ok\b". +function setup_result_obj(line) +{ + # Get the result, and remove it from the line. + result_obj["is_ok"] = (substr(line, 1, 2) == "ok" ? 1 : 0) + sub("^(not )?ok[ \t]*", "", line) + + # If the result has an explicit number, get it and strip it; otherwise, + # automatically assing the next progresive number to it. + if (line ~ /^[0-9]+$/ || line ~ /^[0-9]+[^a-zA-Z0-9_]/) + { + match(line, "^[0-9]+") + # The final `+ 0` is to normalize numbers with leading zeros. + result_obj["number"] = substr(line, 1, RLENGTH) + 0 + line = substr(line, RLENGTH + 1) + } + else + { + result_obj["number"] = testno + } + + if (plan_seen == LATE_PLAN) + # No further test results are acceptable after a "late" TAP plan + # has been seen. + result_obj["is_unplanned"] = 1 + else if (plan_seen && testno > planned_tests) + result_obj["is_unplanned"] = 1 + else + result_obj["is_unplanned"] = 0 + + # Strip trailing and leading whitespace. + sub("^[ \t]*", "", line) + sub("[ \t]*$", "", line) + + # This will have to be corrected if we have a "TODO"/"SKIP" directive. + result_obj["description"] = line + result_obj["directive"] = "" + result_obj["explanation"] = "" + + if (index(line, "#") == 0) + return # No possible directive, nothing more to do. + + # Directives are case-insensitive. + rx = "[ \t]*#[ \t]*([tT][oO][dD][oO]|[sS][kK][iI][pP])[ \t]*" + + # See whether we have the directive, and if yes, where. + pos = match(line, rx "$") + if (!pos) + pos = match(line, rx "[^a-zA-Z0-9_]") + + # If there was no TAP directive, we have nothing more to do. + if (!pos) + return + + # Let`s now see if the TAP directive has been escaped. For example: + # escaped: ok \# SKIP + # not escaped: ok \\# SKIP + # escaped: ok \\\\\# SKIP + # not escaped: ok \ # SKIP + if (substr(line, pos, 1) == "#") + { + bslash_count = 0 + for (i = pos; i > 1 && substr(line, i - 1, 1) == "\\"; i--) + bslash_count += 1 + if (bslash_count % 2) + return # Directive was escaped. + } + + # Strip the directive and its explanation (if any) from the test + # description. + result_obj["description"] = substr(line, 1, pos - 1) + # Now remove the test description from the line, that has been dealt + # with already. + line = substr(line, pos) + # Strip the directive, and save its value (normalized to upper case). + sub("^[ \t]*#[ \t]*", "", line) + result_obj["directive"] = toupper(substr(line, 1, 4)) + line = substr(line, 5) + # Now get the explanation for the directive (if any), with leading + # and trailing whitespace removed. + sub("^[ \t]*", "", line) + sub("[ \t]*$", "", line) + result_obj["explanation"] = line +} + +function get_test_exit_message(status) +{ + if (status == 0) + return "" + if (status !~ /^[1-9][0-9]*$/) + abort("getting exit status") + if (status < 127) + exit_details = "" + else if (status == 127) + exit_details = " (command not found?)" + else if (status >= 128 && status <= 255) + exit_details = sprintf(" (terminated by signal %d?)", status - 128) + else if (status > 256 && status <= 384) + # We used to report an "abnormal termination" here, but some Korn + # shells, when a child process die due to signal number n, can leave + # in $? an exit status of 256+n instead of the more standard 128+n. + # Apparently, both behaviours are allowed by POSIX (2008), so be + # prepared to handle them both. See also Austing Group report ID + # 0000051 + exit_details = sprintf(" (terminated by signal %d?)", status - 256) + else + # Never seen in practice. + exit_details = " (abnormal termination)" + return sprintf("exited with status %d%s", status, exit_details) +} + +function write_test_results() +{ + print ":global-test-result: " get_global_test_result() > trs_file + print ":recheck: " yn(must_recheck()) > trs_file + print ":copy-in-global-log: " yn(copy_in_global_log()) > trs_file + for (i = 0; i < test_results_index; i += 1) + print ":test-result: " test_results_list[i] > trs_file + close(trs_file); +} + +BEGIN { + +## ------- ## +## SETUP ## +## ------- ## + +'"$init_colors"' + +# Properly initialized once the TAP plan is seen. +planned_tests = 0 + +COOKED_PASS = expect_failure ? "XPASS": "PASS"; +COOKED_FAIL = expect_failure ? "XFAIL": "FAIL"; + +# Enumeration-like constants to remember which kind of plan (if any) +# has been seen. It is important that NO_PLAN evaluates "false" as +# a boolean. +NO_PLAN = 0 +EARLY_PLAN = 1 +LATE_PLAN = 2 + +testno = 0 # Number of test results seen so far. +bailed_out = 0 # Whether a "Bail out!" directive has been seen. + +# Whether the TAP plan has been seen or not, and if yes, which kind +# it is ("early" is seen before any test result, "late" otherwise). +plan_seen = NO_PLAN + +## --------- ## +## PARSING ## +## --------- ## + +is_first_read = 1 + +while (1) + { + # Involutions required so that we are able to read the exit status + # from the last input line. + st = getline + if (st < 0) # I/O error. + fatal("I/O error while reading from input stream") + else if (st == 0) # End-of-input + { + if (is_first_read) + abort("in input loop: only one input line") + break + } + if (is_first_read) + { + is_first_read = 0 + nextline = $0 + continue + } + else + { + curline = nextline + nextline = $0 + $0 = curline + } + # Copy any input line verbatim into the log file. + print | "cat >&3" + # Parsing of TAP input should stop after a "Bail out!" directive. + if (bailed_out) + continue + + # TAP test result. + if ($0 ~ /^(not )?ok$/ || $0 ~ /^(not )?ok[^a-zA-Z0-9_]/) + { + testno += 1 + setup_result_obj($0) + handle_tap_result() + } + # TAP plan (normal or "SKIP" without explanation). + else if ($0 ~ /^1\.\.[0-9]+[ \t]*$/) + { + # The next two lines will put the number of planned tests in $0. + sub("^1\\.\\.", "") + sub("[^0-9]*$", "") + handle_tap_plan($0, "") + continue + } + # TAP "SKIP" plan, with an explanation. + else if ($0 ~ /^1\.\.0+[ \t]*#/) + { + # The next lines will put the skip explanation in $0, stripping + # any leading and trailing whitespace. This is a little more + # tricky in truth, since we want to also strip a potential leading + # "SKIP" string from the message. + sub("^[^#]*#[ \t]*(SKIP[: \t][ \t]*)?", "") + sub("[ \t]*$", ""); + handle_tap_plan(0, $0) + } + # "Bail out!" magic. + # Older versions of prove and TAP::Harness (e.g., 3.17) did not + # recognize a "Bail out!" directive when preceded by leading + # whitespace, but more modern versions (e.g., 3.23) do. So we + # emulate the latter, "more modern" behaviour. + else if ($0 ~ /^[ \t]*Bail out!/) + { + bailed_out = 1 + # Get the bailout message (if any), with leading and trailing + # whitespace stripped. The message remains stored in `$0`. + sub("^[ \t]*Bail out![ \t]*", ""); + sub("[ \t]*$", ""); + # Format the error message for the + bailout_message = "Bail out!" + if (length($0)) + bailout_message = bailout_message " " $0 + testsuite_error(bailout_message) + } + # Maybe we have too look for dianogtic comments too. + else if (comments != 0) + { + comment = extract_tap_comment($0); + if (length(comment)) + report("#", comment); + } + } + +## -------- ## +## FINISH ## +## -------- ## + +# A "Bail out!" directive should cause us to ignore any following TAP +# error, as well as a non-zero exit status from the TAP producer. +if (!bailed_out) + { + if (!plan_seen) + { + testsuite_error("missing test plan") + } + else if (planned_tests != testno) + { + bad_amount = testno > planned_tests ? "many" : "few" + testsuite_error(sprintf("too %s tests run (expected %d, got %d)", + bad_amount, planned_tests, testno)) + } + if (!ignore_exit) + { + # Fetch exit status from the last line. + exit_message = get_test_exit_message(nextline) + if (exit_message) + testsuite_error(exit_message) + } + } + +write_test_results() + +exit 0 + +} # End of "BEGIN" block. +' + +# TODO: document that we consume the file descriptor 3 :-( +} 3>"$log_file" + +test $? -eq 0 || fatal "I/O or internal error" + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/config/test-driver b/config/test-driver new file mode 100755 index 0000000..d306056 --- /dev/null +++ b/config/test-driver @@ -0,0 +1,139 @@ +#! /bin/sh +# test-driver - basic testsuite driver script. + +scriptversion=2013-07-13.22; # UTC + +# Copyright (C) 2011-2013 Free Software Foundation, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# This file is maintained in Automake, please report +# bugs to or send patches to +# . + +# Make unconditional expansion of undefined variables an error. This +# helps a lot in preventing typo-related bugs. +set -u + +usage_error () +{ + echo "$0: $*" >&2 + print_usage >&2 + exit 2 +} + +print_usage () +{ + cat <$log_file 2>&1 +estatus=$? +if test $enable_hard_errors = no && test $estatus -eq 99; then + estatus=1 +fi + +case $estatus:$expect_failure in + 0:yes) col=$red res=XPASS recheck=yes gcopy=yes;; + 0:*) col=$grn res=PASS recheck=no gcopy=no;; + 77:*) col=$blu res=SKIP recheck=no gcopy=yes;; + 99:*) col=$mgn res=ERROR recheck=yes gcopy=yes;; + *:yes) col=$lgn res=XFAIL recheck=no gcopy=yes;; + *:*) col=$red res=FAIL recheck=yes gcopy=yes;; +esac + +# Report outcome to console. +echo "${col}${res}${std}: $test_name" + +# Register the test result, and other relevant metadata. +echo ":test-result: $res" > $trs_file +echo ":global-test-result: $res" >> $trs_file +echo ":recheck: $recheck" >> $trs_file +echo ":copy-in-global-log: $gcopy" >> $trs_file + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/config/texinfo.tex b/config/texinfo.tex new file mode 100644 index 0000000..9140826 --- /dev/null +++ b/config/texinfo.tex @@ -0,0 +1,9291 @@ +% texinfo.tex -- TeX macros to handle Texinfo files. +% +% Load plain if necessary, i.e., if running under initex. +\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi +% +\def\texinfoversion{2009-08-14.15} +% +% Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995, +% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, +% 2007, 2008, 2009 Free Software Foundation, Inc. +% +% This texinfo.tex file is free software: you can redistribute it and/or +% modify it under the terms of the GNU General Public License as +% published by the Free Software Foundation, either version 3 of the +% License, or (at your option) any later version. +% +% This texinfo.tex file is distributed in the hope that it will be +% useful, but WITHOUT ANY WARRANTY; without even the implied warranty +% of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +% General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with this program. If not, see . +% +% As a special exception, when this file is read by TeX when processing +% a Texinfo source document, you may use the result without +% restriction. (This has been our intent since Texinfo was invented.) +% +% Please try the latest version of texinfo.tex before submitting bug +% reports; you can get the latest version from: +% http://www.gnu.org/software/texinfo/ (the Texinfo home page), or +% ftp://tug.org/tex/texinfo.tex +% (and all CTAN mirrors, see http://www.ctan.org). +% The texinfo.tex in any given distribution could well be out +% of date, so if that's what you're using, please check. +% +% Send bug reports to bug-texinfo@gnu.org. Please include including a +% complete document in each bug report with which we can reproduce the +% problem. Patches are, of course, greatly appreciated. +% +% To process a Texinfo manual with TeX, it's most reliable to use the +% texi2dvi shell script that comes with the distribution. For a simple +% manual foo.texi, however, you can get away with this: +% tex foo.texi +% texindex foo.?? +% tex foo.texi +% tex foo.texi +% dvips foo.dvi -o # or whatever; this makes foo.ps. +% The extra TeX runs get the cross-reference information correct. +% Sometimes one run after texindex suffices, and sometimes you need more +% than two; texi2dvi does it as many times as necessary. +% +% It is possible to adapt texinfo.tex for other languages, to some +% extent. You can get the existing language-specific files from the +% full Texinfo distribution. +% +% The GNU Texinfo home page is http://www.gnu.org/software/texinfo. + + +\message{Loading texinfo [version \texinfoversion]:} + +% If in a .fmt file, print the version number +% and turn on active characters that we couldn't do earlier because +% they might have appeared in the input file name. +\everyjob{\message{[Texinfo version \texinfoversion]}% + \catcode`+=\active \catcode`\_=\active} + + +\chardef\other=12 + +% We never want plain's \outer definition of \+ in Texinfo. +% For @tex, we can use \tabalign. +\let\+ = \relax + +% Save some plain tex macros whose names we will redefine. +\let\ptexb=\b +\let\ptexbullet=\bullet +\let\ptexc=\c +\let\ptexcomma=\, +\let\ptexdot=\. +\let\ptexdots=\dots +\let\ptexend=\end +\let\ptexequiv=\equiv +\let\ptexexclam=\! +\let\ptexfootnote=\footnote +\let\ptexgtr=> +\let\ptexhat=^ +\let\ptexi=\i +\let\ptexindent=\indent +\let\ptexinsert=\insert +\let\ptexlbrace=\{ +\let\ptexless=< +\let\ptexnewwrite\newwrite +\let\ptexnoindent=\noindent +\let\ptexplus=+ +\let\ptexrbrace=\} +\let\ptexslash=\/ +\let\ptexstar=\* +\let\ptext=\t +\let\ptextop=\top +{\catcode`\'=\active +\global\let\ptexquoteright'}% Math-mode def from plain.tex. +\let\ptexraggedright=\raggedright + +% If this character appears in an error message or help string, it +% starts a new line in the output. +\newlinechar = `^^J + +% Use TeX 3.0's \inputlineno to get the line number, for better error +% messages, but if we're using an old version of TeX, don't do anything. +% +\ifx\inputlineno\thisisundefined + \let\linenumber = \empty % Pre-3.0. +\else + \def\linenumber{l.\the\inputlineno:\space} +\fi + +% Set up fixed words for English if not already set. +\ifx\putwordAppendix\undefined \gdef\putwordAppendix{Appendix}\fi +\ifx\putwordChapter\undefined \gdef\putwordChapter{Chapter}\fi +\ifx\putwordfile\undefined \gdef\putwordfile{file}\fi +\ifx\putwordin\undefined \gdef\putwordin{in}\fi +\ifx\putwordIndexIsEmpty\undefined \gdef\putwordIndexIsEmpty{(Index is empty)}\fi +\ifx\putwordIndexNonexistent\undefined \gdef\putwordIndexNonexistent{(Index is nonexistent)}\fi +\ifx\putwordInfo\undefined \gdef\putwordInfo{Info}\fi +\ifx\putwordInstanceVariableof\undefined \gdef\putwordInstanceVariableof{Instance Variable of}\fi +\ifx\putwordMethodon\undefined \gdef\putwordMethodon{Method on}\fi +\ifx\putwordNoTitle\undefined \gdef\putwordNoTitle{No Title}\fi +\ifx\putwordof\undefined \gdef\putwordof{of}\fi +\ifx\putwordon\undefined \gdef\putwordon{on}\fi +\ifx\putwordpage\undefined \gdef\putwordpage{page}\fi +\ifx\putwordsection\undefined \gdef\putwordsection{section}\fi +\ifx\putwordSection\undefined \gdef\putwordSection{Section}\fi +\ifx\putwordsee\undefined \gdef\putwordsee{see}\fi +\ifx\putwordSee\undefined \gdef\putwordSee{See}\fi +\ifx\putwordShortTOC\undefined \gdef\putwordShortTOC{Short Contents}\fi +\ifx\putwordTOC\undefined \gdef\putwordTOC{Table of Contents}\fi +% +\ifx\putwordMJan\undefined \gdef\putwordMJan{January}\fi +\ifx\putwordMFeb\undefined \gdef\putwordMFeb{February}\fi +\ifx\putwordMMar\undefined \gdef\putwordMMar{March}\fi +\ifx\putwordMApr\undefined \gdef\putwordMApr{April}\fi +\ifx\putwordMMay\undefined \gdef\putwordMMay{May}\fi +\ifx\putwordMJun\undefined \gdef\putwordMJun{June}\fi +\ifx\putwordMJul\undefined \gdef\putwordMJul{July}\fi +\ifx\putwordMAug\undefined \gdef\putwordMAug{August}\fi +\ifx\putwordMSep\undefined \gdef\putwordMSep{September}\fi +\ifx\putwordMOct\undefined \gdef\putwordMOct{October}\fi +\ifx\putwordMNov\undefined \gdef\putwordMNov{November}\fi +\ifx\putwordMDec\undefined \gdef\putwordMDec{December}\fi +% +\ifx\putwordDefmac\undefined \gdef\putwordDefmac{Macro}\fi +\ifx\putwordDefspec\undefined \gdef\putwordDefspec{Special Form}\fi +\ifx\putwordDefvar\undefined \gdef\putwordDefvar{Variable}\fi +\ifx\putwordDefopt\undefined \gdef\putwordDefopt{User Option}\fi +\ifx\putwordDeffunc\undefined \gdef\putwordDeffunc{Function}\fi + +% Since the category of space is not known, we have to be careful. +\chardef\spacecat = 10 +\def\spaceisspace{\catcode`\ =\spacecat} + +% sometimes characters are active, so we need control sequences. +\chardef\colonChar = `\: +\chardef\commaChar = `\, +\chardef\dashChar = `\- +\chardef\dotChar = `\. +\chardef\exclamChar= `\! +\chardef\lquoteChar= `\` +\chardef\questChar = `\? +\chardef\rquoteChar= `\' +\chardef\semiChar = `\; +\chardef\underChar = `\_ + +% Ignore a token. +% +\def\gobble#1{} + +% The following is used inside several \edef's. +\def\makecsname#1{\expandafter\noexpand\csname#1\endcsname} + +% Hyphenation fixes. +\hyphenation{ + Flor-i-da Ghost-script Ghost-view Mac-OS Post-Script + ap-pen-dix bit-map bit-maps + data-base data-bases eshell fall-ing half-way long-est man-u-script + man-u-scripts mini-buf-fer mini-buf-fers over-view par-a-digm + par-a-digms rath-er rec-tan-gu-lar ro-bot-ics se-vere-ly set-up spa-ces + spell-ing spell-ings + stand-alone strong-est time-stamp time-stamps which-ever white-space + wide-spread wrap-around +} + +% Margin to add to right of even pages, to left of odd pages. +\newdimen\bindingoffset +\newdimen\normaloffset +\newdimen\pagewidth \newdimen\pageheight + +% For a final copy, take out the rectangles +% that mark overfull boxes (in case you have decided +% that the text looks ok even though it passes the margin). +% +\def\finalout{\overfullrule=0pt} + +% @| inserts a changebar to the left of the current line. It should +% surround any changed text. This approach does *not* work if the +% change spans more than two lines of output. To handle that, we would +% have adopt a much more difficult approach (putting marks into the main +% vertical list for the beginning and end of each change). +% +\def\|{% + % \vadjust can only be used in horizontal mode. + \leavevmode + % + % Append this vertical mode material after the current line in the output. + \vadjust{% + % We want to insert a rule with the height and depth of the current + % leading; that is exactly what \strutbox is supposed to record. + \vskip-\baselineskip + % + % \vadjust-items are inserted at the left edge of the type. So + % the \llap here moves out into the left-hand margin. + \llap{% + % + % For a thicker or thinner bar, change the `1pt'. + \vrule height\baselineskip width1pt + % + % This is the space between the bar and the text. + \hskip 12pt + }% + }% +} + +% Sometimes it is convenient to have everything in the transcript file +% and nothing on the terminal. We don't just call \tracingall here, +% since that produces some useless output on the terminal. We also make +% some effort to order the tracing commands to reduce output in the log +% file; cf. trace.sty in LaTeX. +% +\def\gloggingall{\begingroup \globaldefs = 1 \loggingall \endgroup}% +\def\loggingall{% + \tracingstats2 + \tracingpages1 + \tracinglostchars2 % 2 gives us more in etex + \tracingparagraphs1 + \tracingoutput1 + \tracingmacros2 + \tracingrestores1 + \showboxbreadth\maxdimen \showboxdepth\maxdimen + \ifx\eTeXversion\undefined\else % etex gives us more logging + \tracingscantokens1 + \tracingifs1 + \tracinggroups1 + \tracingnesting2 + \tracingassigns1 + \fi + \tracingcommands3 % 3 gives us more in etex + \errorcontextlines16 +}% + +% add check for \lastpenalty to plain's definitions. If the last thing +% we did was a \nobreak, we don't want to insert more space. +% +\def\smallbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\smallskipamount + \removelastskip\penalty-50\smallskip\fi\fi} +\def\medbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\medskipamount + \removelastskip\penalty-100\medskip\fi\fi} +\def\bigbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\bigskipamount + \removelastskip\penalty-200\bigskip\fi\fi} + +% For @cropmarks command. +% Do @cropmarks to get crop marks. +% +\newif\ifcropmarks +\let\cropmarks = \cropmarkstrue +% +% Dimensions to add cropmarks at corners. +% Added by P. A. MacKay, 12 Nov. 1986 +% +\newdimen\outerhsize \newdimen\outervsize % set by the paper size routines +\newdimen\cornerlong \cornerlong=1pc +\newdimen\cornerthick \cornerthick=.3pt +\newdimen\topandbottommargin \topandbottommargin=.75in + +% Output a mark which sets \thischapter, \thissection and \thiscolor. +% We dump everything together because we only have one kind of mark. +% This works because we only use \botmark / \topmark, not \firstmark. +% +% A mark contains a subexpression of the \ifcase ... \fi construct. +% \get*marks macros below extract the needed part using \ifcase. +% +% Another complication is to let the user choose whether \thischapter +% (\thissection) refers to the chapter (section) in effect at the top +% of a page, or that at the bottom of a page. The solution is +% described on page 260 of The TeXbook. It involves outputting two +% marks for the sectioning macros, one before the section break, and +% one after. I won't pretend I can describe this better than DEK... +\def\domark{% + \toks0=\expandafter{\lastchapterdefs}% + \toks2=\expandafter{\lastsectiondefs}% + \toks4=\expandafter{\prevchapterdefs}% + \toks6=\expandafter{\prevsectiondefs}% + \toks8=\expandafter{\lastcolordefs}% + \mark{% + \the\toks0 \the\toks2 + \noexpand\or \the\toks4 \the\toks6 + \noexpand\else \the\toks8 + }% +} +% \topmark doesn't work for the very first chapter (after the title +% page or the contents), so we use \firstmark there -- this gets us +% the mark with the chapter defs, unless the user sneaks in, e.g., +% @setcolor (or @url, or @link, etc.) between @contents and the very +% first @chapter. +\def\gettopheadingmarks{% + \ifcase0\topmark\fi + \ifx\thischapter\empty \ifcase0\firstmark\fi \fi +} +\def\getbottomheadingmarks{\ifcase1\botmark\fi} +\def\getcolormarks{\ifcase2\topmark\fi} + +% Avoid "undefined control sequence" errors. +\def\lastchapterdefs{} +\def\lastsectiondefs{} +\def\prevchapterdefs{} +\def\prevsectiondefs{} +\def\lastcolordefs{} + +% Main output routine. +\chardef\PAGE = 255 +\output = {\onepageout{\pagecontents\PAGE}} + +\newbox\headlinebox +\newbox\footlinebox + +% \onepageout takes a vbox as an argument. Note that \pagecontents +% does insertions, but you have to call it yourself. +\def\onepageout#1{% + \ifcropmarks \hoffset=0pt \else \hoffset=\normaloffset \fi + % + \ifodd\pageno \advance\hoffset by \bindingoffset + \else \advance\hoffset by -\bindingoffset\fi + % + % Do this outside of the \shipout so @code etc. will be expanded in + % the headline as they should be, not taken literally (outputting ''code). + \ifodd\pageno \getoddheadingmarks \else \getevenheadingmarks \fi + \setbox\headlinebox = \vbox{\let\hsize=\pagewidth \makeheadline}% + \ifodd\pageno \getoddfootingmarks \else \getevenfootingmarks \fi + \setbox\footlinebox = \vbox{\let\hsize=\pagewidth \makefootline}% + % + {% + % Have to do this stuff outside the \shipout because we want it to + % take effect in \write's, yet the group defined by the \vbox ends + % before the \shipout runs. + % + \indexdummies % don't expand commands in the output. + \normalturnoffactive % \ in index entries must not stay \, e.g., if + % the page break happens to be in the middle of an example. + % We don't want .vr (or whatever) entries like this: + % \entry{{\tt \indexbackslash }acronym}{32}{\code {\acronym}} + % "\acronym" won't work when it's read back in; + % it needs to be + % {\code {{\tt \backslashcurfont }acronym} + \shipout\vbox{% + % Do this early so pdf references go to the beginning of the page. + \ifpdfmakepagedest \pdfdest name{\the\pageno} xyz\fi + % + \ifcropmarks \vbox to \outervsize\bgroup + \hsize = \outerhsize + \vskip-\topandbottommargin + \vtop to0pt{% + \line{\ewtop\hfil\ewtop}% + \nointerlineskip + \line{% + \vbox{\moveleft\cornerthick\nstop}% + \hfill + \vbox{\moveright\cornerthick\nstop}% + }% + \vss}% + \vskip\topandbottommargin + \line\bgroup + \hfil % center the page within the outer (page) hsize. + \ifodd\pageno\hskip\bindingoffset\fi + \vbox\bgroup + \fi + % + \unvbox\headlinebox + \pagebody{#1}% + \ifdim\ht\footlinebox > 0pt + % Only leave this space if the footline is nonempty. + % (We lessened \vsize for it in \oddfootingyyy.) + % The \baselineskip=24pt in plain's \makefootline has no effect. + \vskip 24pt + \unvbox\footlinebox + \fi + % + \ifcropmarks + \egroup % end of \vbox\bgroup + \hfil\egroup % end of (centering) \line\bgroup + \vskip\topandbottommargin plus1fill minus1fill + \boxmaxdepth = \cornerthick + \vbox to0pt{\vss + \line{% + \vbox{\moveleft\cornerthick\nsbot}% + \hfill + \vbox{\moveright\cornerthick\nsbot}% + }% + \nointerlineskip + \line{\ewbot\hfil\ewbot}% + }% + \egroup % \vbox from first cropmarks clause + \fi + }% end of \shipout\vbox + }% end of group with \indexdummies + \advancepageno + \ifnum\outputpenalty>-20000 \else\dosupereject\fi +} + +\newinsert\margin \dimen\margin=\maxdimen + +\def\pagebody#1{\vbox to\pageheight{\boxmaxdepth=\maxdepth #1}} +{\catcode`\@ =11 +\gdef\pagecontents#1{\ifvoid\topins\else\unvbox\topins\fi +% marginal hacks, juha@viisa.uucp (Juha Takala) +\ifvoid\margin\else % marginal info is present + \rlap{\kern\hsize\vbox to\z@{\kern1pt\box\margin \vss}}\fi +\dimen@=\dp#1\relax \unvbox#1\relax +\ifvoid\footins\else\vskip\skip\footins\footnoterule \unvbox\footins\fi +\ifr@ggedbottom \kern-\dimen@ \vfil \fi} +} + +% Here are the rules for the cropmarks. Note that they are +% offset so that the space between them is truly \outerhsize or \outervsize +% (P. A. MacKay, 12 November, 1986) +% +\def\ewtop{\vrule height\cornerthick depth0pt width\cornerlong} +\def\nstop{\vbox + {\hrule height\cornerthick depth\cornerlong width\cornerthick}} +\def\ewbot{\vrule height0pt depth\cornerthick width\cornerlong} +\def\nsbot{\vbox + {\hrule height\cornerlong depth\cornerthick width\cornerthick}} + +% Parse an argument, then pass it to #1. The argument is the rest of +% the input line (except we remove a trailing comment). #1 should be a +% macro which expects an ordinary undelimited TeX argument. +% +\def\parsearg{\parseargusing{}} +\def\parseargusing#1#2{% + \def\argtorun{#2}% + \begingroup + \obeylines + \spaceisspace + #1% + \parseargline\empty% Insert the \empty token, see \finishparsearg below. +} + +{\obeylines % + \gdef\parseargline#1^^M{% + \endgroup % End of the group started in \parsearg. + \argremovecomment #1\comment\ArgTerm% + }% +} + +% First remove any @comment, then any @c comment. +\def\argremovecomment#1\comment#2\ArgTerm{\argremovec #1\c\ArgTerm} +\def\argremovec#1\c#2\ArgTerm{\argcheckspaces#1\^^M\ArgTerm} + +% Each occurrence of `\^^M' or `\^^M' is replaced by a single space. +% +% \argremovec might leave us with trailing space, e.g., +% @end itemize @c foo +% This space token undergoes the same procedure and is eventually removed +% by \finishparsearg. +% +\def\argcheckspaces#1\^^M{\argcheckspacesX#1\^^M \^^M} +\def\argcheckspacesX#1 \^^M{\argcheckspacesY#1\^^M} +\def\argcheckspacesY#1\^^M#2\^^M#3\ArgTerm{% + \def\temp{#3}% + \ifx\temp\empty + % Do not use \next, perhaps the caller of \parsearg uses it; reuse \temp: + \let\temp\finishparsearg + \else + \let\temp\argcheckspaces + \fi + % Put the space token in: + \temp#1 #3\ArgTerm +} + +% If a _delimited_ argument is enclosed in braces, they get stripped; so +% to get _exactly_ the rest of the line, we had to prevent such situation. +% We prepended an \empty token at the very beginning and we expand it now, +% just before passing the control to \argtorun. +% (Similarly, we have to think about #3 of \argcheckspacesY above: it is +% either the null string, or it ends with \^^M---thus there is no danger +% that a pair of braces would be stripped. +% +% But first, we have to remove the trailing space token. +% +\def\finishparsearg#1 \ArgTerm{\expandafter\argtorun\expandafter{#1}} + +% \parseargdef\foo{...} +% is roughly equivalent to +% \def\foo{\parsearg\Xfoo} +% \def\Xfoo#1{...} +% +% Actually, I use \csname\string\foo\endcsname, ie. \\foo, as it is my +% favourite TeX trick. --kasal, 16nov03 + +\def\parseargdef#1{% + \expandafter \doparseargdef \csname\string#1\endcsname #1% +} +\def\doparseargdef#1#2{% + \def#2{\parsearg#1}% + \def#1##1% +} + +% Several utility definitions with active space: +{ + \obeyspaces + \gdef\obeyedspace{ } + + % Make each space character in the input produce a normal interword + % space in the output. Don't allow a line break at this space, as this + % is used only in environments like @example, where each line of input + % should produce a line of output anyway. + % + \gdef\sepspaces{\obeyspaces\let =\tie} + + % If an index command is used in an @example environment, any spaces + % therein should become regular spaces in the raw index file, not the + % expansion of \tie (\leavevmode \penalty \@M \ ). + \gdef\unsepspaces{\let =\space} +} + + +\def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next} + +% Define the framework for environments in texinfo.tex. It's used like this: +% +% \envdef\foo{...} +% \def\Efoo{...} +% +% It's the responsibility of \envdef to insert \begingroup before the +% actual body; @end closes the group after calling \Efoo. \envdef also +% defines \thisenv, so the current environment is known; @end checks +% whether the environment name matches. The \checkenv macro can also be +% used to check whether the current environment is the one expected. +% +% Non-false conditionals (@iftex, @ifset) don't fit into this, so they +% are not treated as environments; they don't open a group. (The +% implementation of @end takes care not to call \endgroup in this +% special case.) + + +% At run-time, environments start with this: +\def\startenvironment#1{\begingroup\def\thisenv{#1}} +% initialize +\let\thisenv\empty + +% ... but they get defined via ``\envdef\foo{...}'': +\long\def\envdef#1#2{\def#1{\startenvironment#1#2}} +\def\envparseargdef#1#2{\parseargdef#1{\startenvironment#1#2}} + +% Check whether we're in the right environment: +\def\checkenv#1{% + \def\temp{#1}% + \ifx\thisenv\temp + \else + \badenverr + \fi +} + +% Environment mismatch, #1 expected: +\def\badenverr{% + \errhelp = \EMsimple + \errmessage{This command can appear only \inenvironment\temp, + not \inenvironment\thisenv}% +} +\def\inenvironment#1{% + \ifx#1\empty + out of any environment% + \else + in environment \expandafter\string#1% + \fi +} + +% @end foo executes the definition of \Efoo. +% But first, it executes a specialized version of \checkenv +% +\parseargdef\end{% + \if 1\csname iscond.#1\endcsname + \else + % The general wording of \badenverr may not be ideal, but... --kasal, 06nov03 + \expandafter\checkenv\csname#1\endcsname + \csname E#1\endcsname + \endgroup + \fi +} + +\newhelp\EMsimple{Press RETURN to continue.} + + +%% Simple single-character @ commands + +% @@ prints an @ +% Kludge this until the fonts are right (grr). +\def\@{{\tt\char64}} + +% This is turned off because it was never documented +% and you can use @w{...} around a quote to suppress ligatures. +%% Define @` and @' to be the same as ` and ' +%% but suppressing ligatures. +%\def\`{{`}} +%\def\'{{'}} + +% Used to generate quoted braces. +\def\mylbrace {{\tt\char123}} +\def\myrbrace {{\tt\char125}} +\let\{=\mylbrace +\let\}=\myrbrace +\begingroup + % Definitions to produce \{ and \} commands for indices, + % and @{ and @} for the aux/toc files. + \catcode`\{ = \other \catcode`\} = \other + \catcode`\[ = 1 \catcode`\] = 2 + \catcode`\! = 0 \catcode`\\ = \other + !gdef!lbracecmd[\{]% + !gdef!rbracecmd[\}]% + !gdef!lbraceatcmd[@{]% + !gdef!rbraceatcmd[@}]% +!endgroup + +% @comma{} to avoid , parsing problems. +\let\comma = , + +% Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent +% Others are defined by plain TeX: @` @' @" @^ @~ @= @u @v @H. +\let\, = \c +\let\dotaccent = \. +\def\ringaccent#1{{\accent23 #1}} +\let\tieaccent = \t +\let\ubaraccent = \b +\let\udotaccent = \d + +% Other special characters: @questiondown @exclamdown @ordf @ordm +% Plain TeX defines: @AA @AE @O @OE @L (plus lowercase versions) @ss. +\def\questiondown{?`} +\def\exclamdown{!`} +\def\ordf{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{a}}} +\def\ordm{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{o}}} + +% Dotless i and dotless j, used for accents. +\def\imacro{i} +\def\jmacro{j} +\def\dotless#1{% + \def\temp{#1}% + \ifx\temp\imacro \ifmmode\imath \else\ptexi \fi + \else\ifx\temp\jmacro \ifmmode\jmath \else\j \fi + \else \errmessage{@dotless can be used only with i or j}% + \fi\fi +} + +% The \TeX{} logo, as in plain, but resetting the spacing so that a +% period following counts as ending a sentence. (Idea found in latex.) +% +\edef\TeX{\TeX \spacefactor=1000 } + +% @LaTeX{} logo. Not quite the same results as the definition in +% latex.ltx, since we use a different font for the raised A; it's most +% convenient for us to use an explicitly smaller font, rather than using +% the \scriptstyle font (since we don't reset \scriptstyle and +% \scriptscriptstyle). +% +\def\LaTeX{% + L\kern-.36em + {\setbox0=\hbox{T}% + \vbox to \ht0{\hbox{\selectfonts\lllsize A}\vss}}% + \kern-.15em + \TeX +} + +% Be sure we're in horizontal mode when doing a tie, since we make space +% equivalent to this in @example-like environments. Otherwise, a space +% at the beginning of a line will start with \penalty -- and +% since \penalty is valid in vertical mode, we'd end up putting the +% penalty on the vertical list instead of in the new paragraph. +{\catcode`@ = 11 + % Avoid using \@M directly, because that causes trouble + % if the definition is written into an index file. + \global\let\tiepenalty = \@M + \gdef\tie{\leavevmode\penalty\tiepenalty\ } +} + +% @: forces normal size whitespace following. +\def\:{\spacefactor=1000 } + +% @* forces a line break. +\def\*{\hfil\break\hbox{}\ignorespaces} + +% @/ allows a line break. +\let\/=\allowbreak + +% @. is an end-of-sentence period. +\def\.{.\spacefactor=\endofsentencespacefactor\space} + +% @! is an end-of-sentence bang. +\def\!{!\spacefactor=\endofsentencespacefactor\space} + +% @? is an end-of-sentence query. +\def\?{?\spacefactor=\endofsentencespacefactor\space} + +% @frenchspacing on|off says whether to put extra space after punctuation. +% +\def\onword{on} +\def\offword{off} +% +\parseargdef\frenchspacing{% + \def\temp{#1}% + \ifx\temp\onword \plainfrenchspacing + \else\ifx\temp\offword \plainnonfrenchspacing + \else + \errhelp = \EMsimple + \errmessage{Unknown @frenchspacing option `\temp', must be on/off}% + \fi\fi +} + +% @w prevents a word break. Without the \leavevmode, @w at the +% beginning of a paragraph, when TeX is still in vertical mode, would +% produce a whole line of output instead of starting the paragraph. +\def\w#1{\leavevmode\hbox{#1}} + +% @group ... @end group forces ... to be all on one page, by enclosing +% it in a TeX vbox. We use \vtop instead of \vbox to construct the box +% to keep its height that of a normal line. According to the rules for +% \topskip (p.114 of the TeXbook), the glue inserted is +% max (\topskip - \ht (first item), 0). If that height is large, +% therefore, no glue is inserted, and the space between the headline and +% the text is small, which looks bad. +% +% Another complication is that the group might be very large. This can +% cause the glue on the previous page to be unduly stretched, because it +% does not have much material. In this case, it's better to add an +% explicit \vfill so that the extra space is at the bottom. The +% threshold for doing this is if the group is more than \vfilllimit +% percent of a page (\vfilllimit can be changed inside of @tex). +% +\newbox\groupbox +\def\vfilllimit{0.7} +% +\envdef\group{% + \ifnum\catcode`\^^M=\active \else + \errhelp = \groupinvalidhelp + \errmessage{@group invalid in context where filling is enabled}% + \fi + \startsavinginserts + % + \setbox\groupbox = \vtop\bgroup + % Do @comment since we are called inside an environment such as + % @example, where each end-of-line in the input causes an + % end-of-line in the output. We don't want the end-of-line after + % the `@group' to put extra space in the output. Since @group + % should appear on a line by itself (according to the Texinfo + % manual), we don't worry about eating any user text. + \comment +} +% +% The \vtop produces a box with normal height and large depth; thus, TeX puts +% \baselineskip glue before it, and (when the next line of text is done) +% \lineskip glue after it. Thus, space below is not quite equal to space +% above. But it's pretty close. +\def\Egroup{% + % To get correct interline space between the last line of the group + % and the first line afterwards, we have to propagate \prevdepth. + \endgraf % Not \par, as it may have been set to \lisppar. + \global\dimen1 = \prevdepth + \egroup % End the \vtop. + % \dimen0 is the vertical size of the group's box. + \dimen0 = \ht\groupbox \advance\dimen0 by \dp\groupbox + % \dimen2 is how much space is left on the page (more or less). + \dimen2 = \pageheight \advance\dimen2 by -\pagetotal + % if the group doesn't fit on the current page, and it's a big big + % group, force a page break. + \ifdim \dimen0 > \dimen2 + \ifdim \pagetotal < \vfilllimit\pageheight + \page + \fi + \fi + \box\groupbox + \prevdepth = \dimen1 + \checkinserts +} +% +% TeX puts in an \escapechar (i.e., `@') at the beginning of the help +% message, so this ends up printing `@group can only ...'. +% +\newhelp\groupinvalidhelp{% +group can only be used in environments such as @example,^^J% +where each line of input produces a line of output.} + +% @need space-in-mils +% forces a page break if there is not space-in-mils remaining. + +\newdimen\mil \mil=0.001in + +% Old definition--didn't work. +%\parseargdef\need{\par % +%% This method tries to make TeX break the page naturally +%% if the depth of the box does not fit. +%{\baselineskip=0pt% +%\vtop to #1\mil{\vfil}\kern -#1\mil\nobreak +%\prevdepth=-1000pt +%}} + +\parseargdef\need{% + % Ensure vertical mode, so we don't make a big box in the middle of a + % paragraph. + \par + % + % If the @need value is less than one line space, it's useless. + \dimen0 = #1\mil + \dimen2 = \ht\strutbox + \advance\dimen2 by \dp\strutbox + \ifdim\dimen0 > \dimen2 + % + % Do a \strut just to make the height of this box be normal, so the + % normal leading is inserted relative to the preceding line. + % And a page break here is fine. + \vtop to #1\mil{\strut\vfil}% + % + % TeX does not even consider page breaks if a penalty added to the + % main vertical list is 10000 or more. But in order to see if the + % empty box we just added fits on the page, we must make it consider + % page breaks. On the other hand, we don't want to actually break the + % page after the empty box. So we use a penalty of 9999. + % + % There is an extremely small chance that TeX will actually break the + % page at this \penalty, if there are no other feasible breakpoints in + % sight. (If the user is using lots of big @group commands, which + % almost-but-not-quite fill up a page, TeX will have a hard time doing + % good page breaking, for example.) However, I could not construct an + % example where a page broke at this \penalty; if it happens in a real + % document, then we can reconsider our strategy. + \penalty9999 + % + % Back up by the size of the box, whether we did a page break or not. + \kern -#1\mil + % + % Do not allow a page break right after this kern. + \nobreak + \fi +} + +% @br forces paragraph break (and is undocumented). + +\let\br = \par + +% @page forces the start of a new page. +% +\def\page{\par\vfill\supereject} + +% @exdent text.... +% outputs text on separate line in roman font, starting at standard page margin + +% This records the amount of indent in the innermost environment. +% That's how much \exdent should take out. +\newskip\exdentamount + +% This defn is used inside fill environments such as @defun. +\parseargdef\exdent{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break} + +% This defn is used inside nofill environments such as @example. +\parseargdef\nofillexdent{{\advance \leftskip by -\exdentamount + \leftline{\hskip\leftskip{\rm#1}}}} + +% @inmargin{WHICH}{TEXT} puts TEXT in the WHICH margin next to the current +% paragraph. For more general purposes, use the \margin insertion +% class. WHICH is `l' or `r'. +% +\newskip\inmarginspacing \inmarginspacing=1cm +\def\strutdepth{\dp\strutbox} +% +\def\doinmargin#1#2{\strut\vadjust{% + \nobreak + \kern-\strutdepth + \vtop to \strutdepth{% + \baselineskip=\strutdepth + \vss + % if you have multiple lines of stuff to put here, you'll need to + % make the vbox yourself of the appropriate size. + \ifx#1l% + \llap{\ignorespaces #2\hskip\inmarginspacing}% + \else + \rlap{\hskip\hsize \hskip\inmarginspacing \ignorespaces #2}% + \fi + \null + }% +}} +\def\inleftmargin{\doinmargin l} +\def\inrightmargin{\doinmargin r} +% +% @inmargin{TEXT [, RIGHT-TEXT]} +% (if RIGHT-TEXT is given, use TEXT for left page, RIGHT-TEXT for right; +% else use TEXT for both). +% +\def\inmargin#1{\parseinmargin #1,,\finish} +\def\parseinmargin#1,#2,#3\finish{% not perfect, but better than nothing. + \setbox0 = \hbox{\ignorespaces #2}% + \ifdim\wd0 > 0pt + \def\lefttext{#1}% have both texts + \def\righttext{#2}% + \else + \def\lefttext{#1}% have only one text + \def\righttext{#1}% + \fi + % + \ifodd\pageno + \def\temp{\inrightmargin\righttext}% odd page -> outside is right margin + \else + \def\temp{\inleftmargin\lefttext}% + \fi + \temp +} + +% @include FILE -- \input text of FILE. +% +\def\include{\parseargusing\filenamecatcodes\includezzz} +\def\includezzz#1{% + \pushthisfilestack + \def\thisfile{#1}% + {% + \makevalueexpandable % we want to expand any @value in FILE. + \turnoffactive % and allow special characters in the expansion + \indexnofonts % Allow `@@' and other weird things in file names. + \edef\temp{\noexpand\input #1 }% + % + % This trickery is to read FILE outside of a group, in case it makes + % definitions, etc. + \expandafter + }\temp + \popthisfilestack +} +\def\filenamecatcodes{% + \catcode`\\=\other + \catcode`~=\other + \catcode`^=\other + \catcode`_=\other + \catcode`|=\other + \catcode`<=\other + \catcode`>=\other + \catcode`+=\other + \catcode`-=\other + \catcode`\`=\other + \catcode`\'=\other +} + +\def\pushthisfilestack{% + \expandafter\pushthisfilestackX\popthisfilestack\StackTerm +} +\def\pushthisfilestackX{% + \expandafter\pushthisfilestackY\thisfile\StackTerm +} +\def\pushthisfilestackY #1\StackTerm #2\StackTerm {% + \gdef\popthisfilestack{\gdef\thisfile{#1}\gdef\popthisfilestack{#2}}% +} + +\def\popthisfilestack{\errthisfilestackempty} +\def\errthisfilestackempty{\errmessage{Internal error: + the stack of filenames is empty.}} + +\def\thisfile{} + +% @center line +% outputs that line, centered. +% +\parseargdef\center{% + \ifhmode + \let\next\centerH + \else + \let\next\centerV + \fi + \next{\hfil \ignorespaces#1\unskip \hfil}% +} +\def\centerH#1{% + {% + \hfil\break + \advance\hsize by -\leftskip + \advance\hsize by -\rightskip + \line{#1}% + \break + }% +} +\def\centerV#1{\line{\kern\leftskip #1\kern\rightskip}} + +% @sp n outputs n lines of vertical space + +\parseargdef\sp{\vskip #1\baselineskip} + +% @comment ...line which is ignored... +% @c is the same as @comment +% @ignore ... @end ignore is another way to write a comment + +\def\comment{\begingroup \catcode`\^^M=\other% +\catcode`\@=\other \catcode`\{=\other \catcode`\}=\other% +\commentxxx} +{\catcode`\^^M=\other \gdef\commentxxx#1^^M{\endgroup}} + +\let\c=\comment + +% @paragraphindent NCHARS +% We'll use ems for NCHARS, close enough. +% NCHARS can also be the word `asis' or `none'. +% We cannot feasibly implement @paragraphindent asis, though. +% +\def\asisword{asis} % no translation, these are keywords +\def\noneword{none} +% +\parseargdef\paragraphindent{% + \def\temp{#1}% + \ifx\temp\asisword + \else + \ifx\temp\noneword + \defaultparindent = 0pt + \else + \defaultparindent = #1em + \fi + \fi + \parindent = \defaultparindent +} + +% @exampleindent NCHARS +% We'll use ems for NCHARS like @paragraphindent. +% It seems @exampleindent asis isn't necessary, but +% I preserve it to make it similar to @paragraphindent. +\parseargdef\exampleindent{% + \def\temp{#1}% + \ifx\temp\asisword + \else + \ifx\temp\noneword + \lispnarrowing = 0pt + \else + \lispnarrowing = #1em + \fi + \fi +} + +% @firstparagraphindent WORD +% If WORD is `none', then suppress indentation of the first paragraph +% after a section heading. If WORD is `insert', then do indent at such +% paragraphs. +% +% The paragraph indentation is suppressed or not by calling +% \suppressfirstparagraphindent, which the sectioning commands do. +% We switch the definition of this back and forth according to WORD. +% By default, we suppress indentation. +% +\def\suppressfirstparagraphindent{\dosuppressfirstparagraphindent} +\def\insertword{insert} +% +\parseargdef\firstparagraphindent{% + \def\temp{#1}% + \ifx\temp\noneword + \let\suppressfirstparagraphindent = \dosuppressfirstparagraphindent + \else\ifx\temp\insertword + \let\suppressfirstparagraphindent = \relax + \else + \errhelp = \EMsimple + \errmessage{Unknown @firstparagraphindent option `\temp'}% + \fi\fi +} + +% Here is how we actually suppress indentation. Redefine \everypar to +% \kern backwards by \parindent, and then reset itself to empty. +% +% We also make \indent itself not actually do anything until the next +% paragraph. +% +\gdef\dosuppressfirstparagraphindent{% + \gdef\indent{% + \restorefirstparagraphindent + \indent + }% + \gdef\noindent{% + \restorefirstparagraphindent + \noindent + }% + \global\everypar = {% + \kern -\parindent + \restorefirstparagraphindent + }% +} + +\gdef\restorefirstparagraphindent{% + \global \let \indent = \ptexindent + \global \let \noindent = \ptexnoindent + \global \everypar = {}% +} + + +% @asis just yields its argument. Used with @table, for example. +% +\def\asis#1{#1} + +% @math outputs its argument in math mode. +% +% One complication: _ usually means subscripts, but it could also mean +% an actual _ character, as in @math{@var{some_variable} + 1}. So make +% _ active, and distinguish by seeing if the current family is \slfam, +% which is what @var uses. +{ + \catcode`\_ = \active + \gdef\mathunderscore{% + \catcode`\_=\active + \def_{\ifnum\fam=\slfam \_\else\sb\fi}% + } +} +% Another complication: we want \\ (and @\) to output a \ character. +% FYI, plain.tex uses \\ as a temporary control sequence (why?), but +% this is not advertised and we don't care. Texinfo does not +% otherwise define @\. +% +% The \mathchar is class=0=ordinary, family=7=ttfam, position=5C=\. +\def\mathbackslash{\ifnum\fam=\ttfam \mathchar"075C \else\backslash \fi} +% +\def\math{% + \tex + \mathunderscore + \let\\ = \mathbackslash + \mathactive + % make the texinfo accent commands work in math mode + \let\"=\ddot + \let\'=\acute + \let\==\bar + \let\^=\hat + \let\`=\grave + \let\u=\breve + \let\v=\check + \let\~=\tilde + \let\dotaccent=\dot + $\finishmath +} +\def\finishmath#1{#1$\endgroup} % Close the group opened by \tex. + +% Some active characters (such as <) are spaced differently in math. +% We have to reset their definitions in case the @math was an argument +% to a command which sets the catcodes (such as @item or @section). +% +{ + \catcode`^ = \active + \catcode`< = \active + \catcode`> = \active + \catcode`+ = \active + \catcode`' = \active + \gdef\mathactive{% + \let^ = \ptexhat + \let< = \ptexless + \let> = \ptexgtr + \let+ = \ptexplus + \let' = \ptexquoteright + } +} + +% Some math mode symbols. +\def\bullet{$\ptexbullet$} +\def\geq{\ifmmode \ge\else $\ge$\fi} +\def\leq{\ifmmode \le\else $\le$\fi} +\def\minus{\ifmmode -\else $-$\fi} + +% @dots{} outputs an ellipsis using the current font. +% We do .5em per period so that it has the same spacing in the cm +% typewriter fonts as three actual period characters; on the other hand, +% in other typewriter fonts three periods are wider than 1.5em. So do +% whichever is larger. +% +\def\dots{% + \leavevmode + \setbox0=\hbox{...}% get width of three periods + \ifdim\wd0 > 1.5em + \dimen0 = \wd0 + \else + \dimen0 = 1.5em + \fi + \hbox to \dimen0{% + \hskip 0pt plus.25fil + .\hskip 0pt plus1fil + .\hskip 0pt plus1fil + .\hskip 0pt plus.5fil + }% +} + +% @enddots{} is an end-of-sentence ellipsis. +% +\def\enddots{% + \dots + \spacefactor=\endofsentencespacefactor +} + +% @comma{} is so commas can be inserted into text without messing up +% Texinfo's parsing. +% +\let\comma = , + +% @refill is a no-op. +\let\refill=\relax + +% If working on a large document in chapters, it is convenient to +% be able to disable indexing, cross-referencing, and contents, for test runs. +% This is done with @novalidate (before @setfilename). +% +\newif\iflinks \linkstrue % by default we want the aux files. +\let\novalidate = \linksfalse + +% @setfilename is done at the beginning of every texinfo file. +% So open here the files we need to have open while reading the input. +% This makes it possible to make a .fmt file for texinfo. +\def\setfilename{% + \fixbackslash % Turn off hack to swallow `\input texinfo'. + \iflinks + \tryauxfile + % Open the new aux file. TeX will close it automatically at exit. + \immediate\openout\auxfile=\jobname.aux + \fi % \openindices needs to do some work in any case. + \openindices + \let\setfilename=\comment % Ignore extra @setfilename cmds. + % + % If texinfo.cnf is present on the system, read it. + % Useful for site-wide @afourpaper, etc. + \openin 1 texinfo.cnf + \ifeof 1 \else \input texinfo.cnf \fi + \closein 1 + % + \comment % Ignore the actual filename. +} + +% Called from \setfilename. +% +\def\openindices{% + \newindex{cp}% + \newcodeindex{fn}% + \newcodeindex{vr}% + \newcodeindex{tp}% + \newcodeindex{ky}% + \newcodeindex{pg}% +} + +% @bye. +\outer\def\bye{\pagealignmacro\tracingstats=1\ptexend} + + +\message{pdf,} +% adobe `portable' document format +\newcount\tempnum +\newcount\lnkcount +\newtoks\filename +\newcount\filenamelength +\newcount\pgn +\newtoks\toksA +\newtoks\toksB +\newtoks\toksC +\newtoks\toksD +\newbox\boxA +\newcount\countA +\newif\ifpdf +\newif\ifpdfmakepagedest + +% when pdftex is run in dvi mode, \pdfoutput is defined (so \pdfoutput=1 +% can be set). So we test for \relax and 0 as well as \undefined, +% borrowed from ifpdf.sty. +\ifx\pdfoutput\undefined +\else + \ifx\pdfoutput\relax + \else + \ifcase\pdfoutput + \else + \pdftrue + \fi + \fi +\fi + +% PDF uses PostScript string constants for the names of xref targets, +% for display in the outlines, and in other places. Thus, we have to +% double any backslashes. Otherwise, a name like "\node" will be +% interpreted as a newline (\n), followed by o, d, e. Not good. +% http://www.ntg.nl/pipermail/ntg-pdftex/2004-July/000654.html +% (and related messages, the final outcome is that it is up to the TeX +% user to double the backslashes and otherwise make the string valid, so +% that's what we do). + +% double active backslashes. +% +{\catcode`\@=0 \catcode`\\=\active + @gdef@activebackslashdouble{% + @catcode`@\=@active + @let\=@doublebackslash} +} + +% To handle parens, we must adopt a different approach, since parens are +% not active characters. hyperref.dtx (which has the same problem as +% us) handles it with this amazing macro to replace tokens, with minor +% changes for Texinfo. It is included here under the GPL by permission +% from the author, Heiko Oberdiek. +% +% #1 is the tokens to replace. +% #2 is the replacement. +% #3 is the control sequence with the string. +% +\def\HyPsdSubst#1#2#3{% + \def\HyPsdReplace##1#1##2\END{% + ##1% + \ifx\\##2\\% + \else + #2% + \HyReturnAfterFi{% + \HyPsdReplace##2\END + }% + \fi + }% + \xdef#3{\expandafter\HyPsdReplace#3#1\END}% +} +\long\def\HyReturnAfterFi#1\fi{\fi#1} + +% #1 is a control sequence in which to do the replacements. +\def\backslashparens#1{% + \xdef#1{#1}% redefine it as its expansion; the definition is simply + % \lastnode when called from \setref -> \pdfmkdest. + \HyPsdSubst{(}{\realbackslash(}{#1}% + \HyPsdSubst{)}{\realbackslash)}{#1}% +} + +\newhelp\nopdfimagehelp{Texinfo supports .png, .jpg, .jpeg, and .pdf images +with PDF output, and none of those formats could be found. (.eps cannot +be supported due to the design of the PDF format; use regular TeX (DVI +output) for that.)} + +\ifpdf + % + % Color manipulation macros based on pdfcolor.tex, + % except using rgb instead of cmyk; the latter is said to render as a + % very dark gray on-screen and a very dark halftone in print, instead + % of actual black. + \def\rgbDarkRed{0.50 0.09 0.12} + \def\rgbBlack{0 0 0} + % + % k sets the color for filling (usual text, etc.); + % K sets the color for stroking (thin rules, e.g., normal _'s). + \def\pdfsetcolor#1{\pdfliteral{#1 rg #1 RG}} + % + % Set color, and create a mark which defines \thiscolor accordingly, + % so that \makeheadline knows which color to restore. + \def\setcolor#1{% + \xdef\lastcolordefs{\gdef\noexpand\thiscolor{#1}}% + \domark + \pdfsetcolor{#1}% + } + % + \def\maincolor{\rgbBlack} + \pdfsetcolor{\maincolor} + \edef\thiscolor{\maincolor} + \def\lastcolordefs{} + % + \def\makefootline{% + \baselineskip24pt + \line{\pdfsetcolor{\maincolor}\the\footline}% + } + % + \def\makeheadline{% + \vbox to 0pt{% + \vskip-22.5pt + \line{% + \vbox to8.5pt{}% + % Extract \thiscolor definition from the marks. + \getcolormarks + % Typeset the headline with \maincolor, then restore the color. + \pdfsetcolor{\maincolor}\the\headline\pdfsetcolor{\thiscolor}% + }% + \vss + }% + \nointerlineskip + } + % + % + \pdfcatalog{/PageMode /UseOutlines} + % + % #1 is image name, #2 width (might be empty/whitespace), #3 height (ditto). + \def\dopdfimage#1#2#3{% + \def\imagewidth{#2}\setbox0 = \hbox{\ignorespaces #2}% + \def\imageheight{#3}\setbox2 = \hbox{\ignorespaces #3}% + % + % pdftex (and the PDF format) support .png, .jpg, .pdf (among + % others). Let's try in that order. + \let\pdfimgext=\empty + \begingroup + \openin 1 #1.png \ifeof 1 + \openin 1 #1.jpg \ifeof 1 + \openin 1 #1.jpeg \ifeof 1 + \openin 1 #1.JPG \ifeof 1 + \openin 1 #1.pdf \ifeof 1 + \openin 1 #1.PDF \ifeof 1 + \errhelp = \nopdfimagehelp + \errmessage{Could not find image file #1 for pdf}% + \else \gdef\pdfimgext{PDF}% + \fi + \else \gdef\pdfimgext{pdf}% + \fi + \else \gdef\pdfimgext{JPG}% + \fi + \else \gdef\pdfimgext{jpeg}% + \fi + \else \gdef\pdfimgext{jpg}% + \fi + \else \gdef\pdfimgext{png}% + \fi + \closein 1 + \endgroup + % + % without \immediate, ancient pdftex seg faults when the same image is + % included twice. (Version 3.14159-pre-1.0-unofficial-20010704.) + \ifnum\pdftexversion < 14 + \immediate\pdfimage + \else + \immediate\pdfximage + \fi + \ifdim \wd0 >0pt width \imagewidth \fi + \ifdim \wd2 >0pt height \imageheight \fi + \ifnum\pdftexversion<13 + #1.\pdfimgext + \else + {#1.\pdfimgext}% + \fi + \ifnum\pdftexversion < 14 \else + \pdfrefximage \pdflastximage + \fi} + % + \def\pdfmkdest#1{{% + % We have to set dummies so commands such as @code, and characters + % such as \, aren't expanded when present in a section title. + \indexnofonts + \turnoffactive + \activebackslashdouble + \makevalueexpandable + \def\pdfdestname{#1}% + \backslashparens\pdfdestname + \safewhatsit{\pdfdest name{\pdfdestname} xyz}% + }} + % + % used to mark target names; must be expandable. + \def\pdfmkpgn#1{#1} + % + % by default, use a color that is dark enough to print on paper as + % nearly black, but still distinguishable for online viewing. + \def\urlcolor{\rgbDarkRed} + \def\linkcolor{\rgbDarkRed} + \def\endlink{\setcolor{\maincolor}\pdfendlink} + % + % Adding outlines to PDF; macros for calculating structure of outlines + % come from Petr Olsak + \def\expnumber#1{\expandafter\ifx\csname#1\endcsname\relax 0% + \else \csname#1\endcsname \fi} + \def\advancenumber#1{\tempnum=\expnumber{#1}\relax + \advance\tempnum by 1 + \expandafter\xdef\csname#1\endcsname{\the\tempnum}} + % + % #1 is the section text, which is what will be displayed in the + % outline by the pdf viewer. #2 is the pdf expression for the number + % of subentries (or empty, for subsubsections). #3 is the node text, + % which might be empty if this toc entry had no corresponding node. + % #4 is the page number + % + \def\dopdfoutline#1#2#3#4{% + % Generate a link to the node text if that exists; else, use the + % page number. We could generate a destination for the section + % text in the case where a section has no node, but it doesn't + % seem worth the trouble, since most documents are normally structured. + \def\pdfoutlinedest{#3}% + \ifx\pdfoutlinedest\empty + \def\pdfoutlinedest{#4}% + \else + % Doubled backslashes in the name. + {\activebackslashdouble \xdef\pdfoutlinedest{#3}% + \backslashparens\pdfoutlinedest}% + \fi + % + % Also double the backslashes in the display string. + {\activebackslashdouble \xdef\pdfoutlinetext{#1}% + \backslashparens\pdfoutlinetext}% + % + \pdfoutline goto name{\pdfmkpgn{\pdfoutlinedest}}#2{\pdfoutlinetext}% + } + % + \def\pdfmakeoutlines{% + \begingroup + % Thanh's hack / proper braces in bookmarks + \edef\mylbrace{\iftrue \string{\else}\fi}\let\{=\mylbrace + \edef\myrbrace{\iffalse{\else\string}\fi}\let\}=\myrbrace + % + % Read toc silently, to get counts of subentries for \pdfoutline. + \def\numchapentry##1##2##3##4{% + \def\thischapnum{##2}% + \def\thissecnum{0}% + \def\thissubsecnum{0}% + }% + \def\numsecentry##1##2##3##4{% + \advancenumber{chap\thischapnum}% + \def\thissecnum{##2}% + \def\thissubsecnum{0}% + }% + \def\numsubsecentry##1##2##3##4{% + \advancenumber{sec\thissecnum}% + \def\thissubsecnum{##2}% + }% + \def\numsubsubsecentry##1##2##3##4{% + \advancenumber{subsec\thissubsecnum}% + }% + \def\thischapnum{0}% + \def\thissecnum{0}% + \def\thissubsecnum{0}% + % + % use \def rather than \let here because we redefine \chapentry et + % al. a second time, below. + \def\appentry{\numchapentry}% + \def\appsecentry{\numsecentry}% + \def\appsubsecentry{\numsubsecentry}% + \def\appsubsubsecentry{\numsubsubsecentry}% + \def\unnchapentry{\numchapentry}% + \def\unnsecentry{\numsecentry}% + \def\unnsubsecentry{\numsubsecentry}% + \def\unnsubsubsecentry{\numsubsubsecentry}% + \readdatafile{toc}% + % + % Read toc second time, this time actually producing the outlines. + % The `-' means take the \expnumber as the absolute number of + % subentries, which we calculated on our first read of the .toc above. + % + % We use the node names as the destinations. + \def\numchapentry##1##2##3##4{% + \dopdfoutline{##1}{count-\expnumber{chap##2}}{##3}{##4}}% + \def\numsecentry##1##2##3##4{% + \dopdfoutline{##1}{count-\expnumber{sec##2}}{##3}{##4}}% + \def\numsubsecentry##1##2##3##4{% + \dopdfoutline{##1}{count-\expnumber{subsec##2}}{##3}{##4}}% + \def\numsubsubsecentry##1##2##3##4{% count is always zero + \dopdfoutline{##1}{}{##3}{##4}}% + % + % PDF outlines are displayed using system fonts, instead of + % document fonts. Therefore we cannot use special characters, + % since the encoding is unknown. For example, the eogonek from + % Latin 2 (0xea) gets translated to a | character. Info from + % Staszek Wawrykiewicz, 19 Jan 2004 04:09:24 +0100. + % + % xx to do this right, we have to translate 8-bit characters to + % their "best" equivalent, based on the @documentencoding. Right + % now, I guess we'll just let the pdf reader have its way. + \indexnofonts + \setupdatafile + \catcode`\\=\active \otherbackslash + \input \tocreadfilename + \endgroup + } + % + \def\skipspaces#1{\def\PP{#1}\def\D{|}% + \ifx\PP\D\let\nextsp\relax + \else\let\nextsp\skipspaces + \ifx\p\space\else\addtokens{\filename}{\PP}% + \advance\filenamelength by 1 + \fi + \fi + \nextsp} + \def\getfilename#1{\filenamelength=0\expandafter\skipspaces#1|\relax} + \ifnum\pdftexversion < 14 + \let \startlink \pdfannotlink + \else + \let \startlink \pdfstartlink + \fi + % make a live url in pdf output. + \def\pdfurl#1{% + \begingroup + % it seems we really need yet another set of dummies; have not + % tried to figure out what each command should do in the context + % of @url. for now, just make @/ a no-op, that's the only one + % people have actually reported a problem with. + % + \normalturnoffactive + \def\@{@}% + \let\/=\empty + \makevalueexpandable + % do we want to go so far as to use \indexnofonts instead of just + % special-casing \var here? + \def\var##1{##1}% + % + \leavevmode\setcolor{\urlcolor}% + \startlink attr{/Border [0 0 0]}% + user{/Subtype /Link /A << /S /URI /URI (#1) >>}% + \endgroup} + \def\pdfgettoks#1.{\setbox\boxA=\hbox{\toksA={#1.}\toksB={}\maketoks}} + \def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks} + \def\adn#1{\addtokens{\toksC}{#1}\global\countA=1\let\next=\maketoks} + \def\poptoks#1#2|ENDTOKS|{\let\first=#1\toksD={#1}\toksA={#2}} + \def\maketoks{% + \expandafter\poptoks\the\toksA|ENDTOKS|\relax + \ifx\first0\adn0 + \else\ifx\first1\adn1 \else\ifx\first2\adn2 \else\ifx\first3\adn3 + \else\ifx\first4\adn4 \else\ifx\first5\adn5 \else\ifx\first6\adn6 + \else\ifx\first7\adn7 \else\ifx\first8\adn8 \else\ifx\first9\adn9 + \else + \ifnum0=\countA\else\makelink\fi + \ifx\first.\let\next=\done\else + \let\next=\maketoks + \addtokens{\toksB}{\the\toksD} + \ifx\first,\addtokens{\toksB}{\space}\fi + \fi + \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi + \next} + \def\makelink{\addtokens{\toksB}% + {\noexpand\pdflink{\the\toksC}}\toksC={}\global\countA=0} + \def\pdflink#1{% + \startlink attr{/Border [0 0 0]} goto name{\pdfmkpgn{#1}} + \setcolor{\linkcolor}#1\endlink} + \def\done{\edef\st{\global\noexpand\toksA={\the\toksB}}\st} +\else + % non-pdf mode + \let\pdfmkdest = \gobble + \let\pdfurl = \gobble + \let\endlink = \relax + \let\setcolor = \gobble + \let\pdfsetcolor = \gobble + \let\pdfmakeoutlines = \relax +\fi % \ifx\pdfoutput + + +\message{fonts,} + +% Change the current font style to #1, remembering it in \curfontstyle. +% For now, we do not accumulate font styles: @b{@i{foo}} prints foo in +% italics, not bold italics. +% +\def\setfontstyle#1{% + \def\curfontstyle{#1}% not as a control sequence, because we are \edef'd. + \csname ten#1\endcsname % change the current font +} + +% Select #1 fonts with the current style. +% +\def\selectfonts#1{\csname #1fonts\endcsname \csname\curfontstyle\endcsname} + +\def\rm{\fam=0 \setfontstyle{rm}} +\def\it{\fam=\itfam \setfontstyle{it}} +\def\sl{\fam=\slfam \setfontstyle{sl}} +\def\bf{\fam=\bffam \setfontstyle{bf}}\def\bfstylename{bf} +\def\tt{\fam=\ttfam \setfontstyle{tt}} + +% Unfortunately, we have to override this for titles and the like, since +% in those cases "rm" is bold. Sigh. +\def\rmisbold{\rm\def\curfontstyle{bf}} + +% Texinfo sort of supports the sans serif font style, which plain TeX does not. +% So we set up a \sf. +\newfam\sffam +\def\sf{\fam=\sffam \setfontstyle{sf}} +\let\li = \sf % Sometimes we call it \li, not \sf. + +% We don't need math for this font style. +\def\ttsl{\setfontstyle{ttsl}} + + +% Default leading. +\newdimen\textleading \textleading = 13.2pt + +% Set the baselineskip to #1, and the lineskip and strut size +% correspondingly. There is no deep meaning behind these magic numbers +% used as factors; they just match (closely enough) what Knuth defined. +% +\def\lineskipfactor{.08333} +\def\strutheightpercent{.70833} +\def\strutdepthpercent {.29167} +% +% can get a sort of poor man's double spacing by redefining this. +\def\baselinefactor{1} +% +\def\setleading#1{% + \dimen0 = #1\relax + \normalbaselineskip = \baselinefactor\dimen0 + \normallineskip = \lineskipfactor\normalbaselineskip + \normalbaselines + \setbox\strutbox =\hbox{% + \vrule width0pt height\strutheightpercent\baselineskip + depth \strutdepthpercent \baselineskip + }% +} + +% PDF CMaps. See also LaTeX's t1.cmap. +% +% do nothing with this by default. +\expandafter\let\csname cmapOT1\endcsname\gobble +\expandafter\let\csname cmapOT1IT\endcsname\gobble +\expandafter\let\csname cmapOT1TT\endcsname\gobble + +% if we are producing pdf, and we have \pdffontattr, then define cmaps. +% (\pdffontattr was introduced many years ago, but people still run +% older pdftex's; it's easy to conditionalize, so we do.) +\ifpdf \ifx\pdffontattr\undefined \else + \begingroup + \catcode`\^^M=\active \def^^M{^^J}% Output line endings as the ^^J char. + \catcode`\%=12 \immediate\pdfobj stream {%!PS-Adobe-3.0 Resource-CMap +%%DocumentNeededResources: ProcSet (CIDInit) +%%IncludeResource: ProcSet (CIDInit) +%%BeginResource: CMap (TeX-OT1-0) +%%Title: (TeX-OT1-0 TeX OT1 0) +%%Version: 1.000 +%%EndComments +/CIDInit /ProcSet findresource begin +12 dict begin +begincmap +/CIDSystemInfo +<< /Registry (TeX) +/Ordering (OT1) +/Supplement 0 +>> def +/CMapName /TeX-OT1-0 def +/CMapType 2 def +1 begincodespacerange +<00> <7F> +endcodespacerange +8 beginbfrange +<00> <01> <0393> +<09> <0A> <03A8> +<23> <26> <0023> +<28> <3B> <0028> +<3F> <5B> <003F> +<5D> <5E> <005D> +<61> <7A> <0061> +<7B> <7C> <2013> +endbfrange +40 beginbfchar +<02> <0398> +<03> <039B> +<04> <039E> +<05> <03A0> +<06> <03A3> +<07> <03D2> +<08> <03A6> +<0B> <00660066> +<0C> <00660069> +<0D> <0066006C> +<0E> <006600660069> +<0F> <00660066006C> +<10> <0131> +<11> <0237> +<12> <0060> +<13> <00B4> +<14> <02C7> +<15> <02D8> +<16> <00AF> +<17> <02DA> +<18> <00B8> +<19> <00DF> +<1A> <00E6> +<1B> <0153> +<1C> <00F8> +<1D> <00C6> +<1E> <0152> +<1F> <00D8> +<21> <0021> +<22> <201D> +<27> <2019> +<3C> <00A1> +<3D> <003D> +<3E> <00BF> +<5C> <201C> +<5F> <02D9> +<60> <2018> +<7D> <02DD> +<7E> <007E> +<7F> <00A8> +endbfchar +endcmap +CMapName currentdict /CMap defineresource pop +end +end +%%EndResource +%%EOF + }\endgroup + \expandafter\edef\csname cmapOT1\endcsname#1{% + \pdffontattr#1{/ToUnicode \the\pdflastobj\space 0 R}% + }% +% +% \cmapOT1IT + \begingroup + \catcode`\^^M=\active \def^^M{^^J}% Output line endings as the ^^J char. + \catcode`\%=12 \immediate\pdfobj stream {%!PS-Adobe-3.0 Resource-CMap +%%DocumentNeededResources: ProcSet (CIDInit) +%%IncludeResource: ProcSet (CIDInit) +%%BeginResource: CMap (TeX-OT1IT-0) +%%Title: (TeX-OT1IT-0 TeX OT1IT 0) +%%Version: 1.000 +%%EndComments +/CIDInit /ProcSet findresource begin +12 dict begin +begincmap +/CIDSystemInfo +<< /Registry (TeX) +/Ordering (OT1IT) +/Supplement 0 +>> def +/CMapName /TeX-OT1IT-0 def +/CMapType 2 def +1 begincodespacerange +<00> <7F> +endcodespacerange +8 beginbfrange +<00> <01> <0393> +<09> <0A> <03A8> +<25> <26> <0025> +<28> <3B> <0028> +<3F> <5B> <003F> +<5D> <5E> <005D> +<61> <7A> <0061> +<7B> <7C> <2013> +endbfrange +42 beginbfchar +<02> <0398> +<03> <039B> +<04> <039E> +<05> <03A0> +<06> <03A3> +<07> <03D2> +<08> <03A6> +<0B> <00660066> +<0C> <00660069> +<0D> <0066006C> +<0E> <006600660069> +<0F> <00660066006C> +<10> <0131> +<11> <0237> +<12> <0060> +<13> <00B4> +<14> <02C7> +<15> <02D8> +<16> <00AF> +<17> <02DA> +<18> <00B8> +<19> <00DF> +<1A> <00E6> +<1B> <0153> +<1C> <00F8> +<1D> <00C6> +<1E> <0152> +<1F> <00D8> +<21> <0021> +<22> <201D> +<23> <0023> +<24> <00A3> +<27> <2019> +<3C> <00A1> +<3D> <003D> +<3E> <00BF> +<5C> <201C> +<5F> <02D9> +<60> <2018> +<7D> <02DD> +<7E> <007E> +<7F> <00A8> +endbfchar +endcmap +CMapName currentdict /CMap defineresource pop +end +end +%%EndResource +%%EOF + }\endgroup + \expandafter\edef\csname cmapOT1IT\endcsname#1{% + \pdffontattr#1{/ToUnicode \the\pdflastobj\space 0 R}% + }% +% +% \cmapOT1TT + \begingroup + \catcode`\^^M=\active \def^^M{^^J}% Output line endings as the ^^J char. + \catcode`\%=12 \immediate\pdfobj stream {%!PS-Adobe-3.0 Resource-CMap +%%DocumentNeededResources: ProcSet (CIDInit) +%%IncludeResource: ProcSet (CIDInit) +%%BeginResource: CMap (TeX-OT1TT-0) +%%Title: (TeX-OT1TT-0 TeX OT1TT 0) +%%Version: 1.000 +%%EndComments +/CIDInit /ProcSet findresource begin +12 dict begin +begincmap +/CIDSystemInfo +<< /Registry (TeX) +/Ordering (OT1TT) +/Supplement 0 +>> def +/CMapName /TeX-OT1TT-0 def +/CMapType 2 def +1 begincodespacerange +<00> <7F> +endcodespacerange +5 beginbfrange +<00> <01> <0393> +<09> <0A> <03A8> +<21> <26> <0021> +<28> <5F> <0028> +<61> <7E> <0061> +endbfrange +32 beginbfchar +<02> <0398> +<03> <039B> +<04> <039E> +<05> <03A0> +<06> <03A3> +<07> <03D2> +<08> <03A6> +<0B> <2191> +<0C> <2193> +<0D> <0027> +<0E> <00A1> +<0F> <00BF> +<10> <0131> +<11> <0237> +<12> <0060> +<13> <00B4> +<14> <02C7> +<15> <02D8> +<16> <00AF> +<17> <02DA> +<18> <00B8> +<19> <00DF> +<1A> <00E6> +<1B> <0153> +<1C> <00F8> +<1D> <00C6> +<1E> <0152> +<1F> <00D8> +<20> <2423> +<27> <2019> +<60> <2018> +<7F> <00A8> +endbfchar +endcmap +CMapName currentdict /CMap defineresource pop +end +end +%%EndResource +%%EOF + }\endgroup + \expandafter\edef\csname cmapOT1TT\endcsname#1{% + \pdffontattr#1{/ToUnicode \the\pdflastobj\space 0 R}% + }% +\fi\fi + + +% Set the font macro #1 to the font named #2, adding on the +% specified font prefix (normally `cm'). +% #3 is the font's design size, #4 is a scale factor, #5 is the CMap +% encoding (currently only OT1, OT1IT and OT1TT are allowed, pass +% empty to omit). +\def\setfont#1#2#3#4#5{% + \font#1=\fontprefix#2#3 scaled #4 + \csname cmap#5\endcsname#1% +} +% This is what gets called when #5 of \setfont is empty. +\let\cmap\gobble +% emacs-page end of cmaps + +% Use cm as the default font prefix. +% To specify the font prefix, you must define \fontprefix +% before you read in texinfo.tex. +\ifx\fontprefix\undefined +\def\fontprefix{cm} +\fi +% Support font families that don't use the same naming scheme as CM. +\def\rmshape{r} +\def\rmbshape{bx} %where the normal face is bold +\def\bfshape{b} +\def\bxshape{bx} +\def\ttshape{tt} +\def\ttbshape{tt} +\def\ttslshape{sltt} +\def\itshape{ti} +\def\itbshape{bxti} +\def\slshape{sl} +\def\slbshape{bxsl} +\def\sfshape{ss} +\def\sfbshape{ss} +\def\scshape{csc} +\def\scbshape{csc} + +% Definitions for a main text size of 11pt. This is the default in +% Texinfo. +% +\def\definetextfontsizexi{% +% Text fonts (11.2pt, magstep1). +\def\textnominalsize{11pt} +\edef\mainmagstep{\magstephalf} +\setfont\textrm\rmshape{10}{\mainmagstep}{OT1} +\setfont\texttt\ttshape{10}{\mainmagstep}{OT1TT} +\setfont\textbf\bfshape{10}{\mainmagstep}{OT1} +\setfont\textit\itshape{10}{\mainmagstep}{OT1IT} +\setfont\textsl\slshape{10}{\mainmagstep}{OT1} +\setfont\textsf\sfshape{10}{\mainmagstep}{OT1} +\setfont\textsc\scshape{10}{\mainmagstep}{OT1} +\setfont\textttsl\ttslshape{10}{\mainmagstep}{OT1TT} +\font\texti=cmmi10 scaled \mainmagstep +\font\textsy=cmsy10 scaled \mainmagstep +\def\textecsize{1095} + +% A few fonts for @defun names and args. +\setfont\defbf\bfshape{10}{\magstep1}{OT1} +\setfont\deftt\ttshape{10}{\magstep1}{OT1TT} +\setfont\defttsl\ttslshape{10}{\magstep1}{OT1TT} +\def\df{\let\tentt=\deftt \let\tenbf = \defbf \let\tenttsl=\defttsl \bf} + +% Fonts for indices, footnotes, small examples (9pt). +\def\smallnominalsize{9pt} +\setfont\smallrm\rmshape{9}{1000}{OT1} +\setfont\smalltt\ttshape{9}{1000}{OT1TT} +\setfont\smallbf\bfshape{10}{900}{OT1} +\setfont\smallit\itshape{9}{1000}{OT1IT} +\setfont\smallsl\slshape{9}{1000}{OT1} +\setfont\smallsf\sfshape{9}{1000}{OT1} +\setfont\smallsc\scshape{10}{900}{OT1} +\setfont\smallttsl\ttslshape{10}{900}{OT1TT} +\font\smalli=cmmi9 +\font\smallsy=cmsy9 +\def\smallecsize{0900} + +% Fonts for small examples (8pt). +\def\smallernominalsize{8pt} +\setfont\smallerrm\rmshape{8}{1000}{OT1} +\setfont\smallertt\ttshape{8}{1000}{OT1TT} +\setfont\smallerbf\bfshape{10}{800}{OT1} +\setfont\smallerit\itshape{8}{1000}{OT1IT} +\setfont\smallersl\slshape{8}{1000}{OT1} +\setfont\smallersf\sfshape{8}{1000}{OT1} +\setfont\smallersc\scshape{10}{800}{OT1} +\setfont\smallerttsl\ttslshape{10}{800}{OT1TT} +\font\smalleri=cmmi8 +\font\smallersy=cmsy8 +\def\smallerecsize{0800} + +% Fonts for title page (20.4pt): +\def\titlenominalsize{20pt} +\setfont\titlerm\rmbshape{12}{\magstep3}{OT1} +\setfont\titleit\itbshape{10}{\magstep4}{OT1IT} +\setfont\titlesl\slbshape{10}{\magstep4}{OT1} +\setfont\titlett\ttbshape{12}{\magstep3}{OT1TT} +\setfont\titlettsl\ttslshape{10}{\magstep4}{OT1TT} +\setfont\titlesf\sfbshape{17}{\magstep1}{OT1} +\let\titlebf=\titlerm +\setfont\titlesc\scbshape{10}{\magstep4}{OT1} +\font\titlei=cmmi12 scaled \magstep3 +\font\titlesy=cmsy10 scaled \magstep4 +\def\titleecsize{2074} + +% Chapter (and unnumbered) fonts (17.28pt). +\def\chapnominalsize{17pt} +\setfont\chaprm\rmbshape{12}{\magstep2}{OT1} +\setfont\chapit\itbshape{10}{\magstep3}{OT1IT} +\setfont\chapsl\slbshape{10}{\magstep3}{OT1} +\setfont\chaptt\ttbshape{12}{\magstep2}{OT1TT} +\setfont\chapttsl\ttslshape{10}{\magstep3}{OT1TT} +\setfont\chapsf\sfbshape{17}{1000}{OT1} +\let\chapbf=\chaprm +\setfont\chapsc\scbshape{10}{\magstep3}{OT1} +\font\chapi=cmmi12 scaled \magstep2 +\font\chapsy=cmsy10 scaled \magstep3 +\def\chapecsize{1728} + +% Section fonts (14.4pt). +\def\secnominalsize{14pt} +\setfont\secrm\rmbshape{12}{\magstep1}{OT1} +\setfont\secit\itbshape{10}{\magstep2}{OT1IT} +\setfont\secsl\slbshape{10}{\magstep2}{OT1} +\setfont\sectt\ttbshape{12}{\magstep1}{OT1TT} +\setfont\secttsl\ttslshape{10}{\magstep2}{OT1TT} +\setfont\secsf\sfbshape{12}{\magstep1}{OT1} +\let\secbf\secrm +\setfont\secsc\scbshape{10}{\magstep2}{OT1} +\font\seci=cmmi12 scaled \magstep1 +\font\secsy=cmsy10 scaled \magstep2 +\def\sececsize{1440} + +% Subsection fonts (13.15pt). +\def\ssecnominalsize{13pt} +\setfont\ssecrm\rmbshape{12}{\magstephalf}{OT1} +\setfont\ssecit\itbshape{10}{1315}{OT1IT} +\setfont\ssecsl\slbshape{10}{1315}{OT1} +\setfont\ssectt\ttbshape{12}{\magstephalf}{OT1TT} +\setfont\ssecttsl\ttslshape{10}{1315}{OT1TT} +\setfont\ssecsf\sfbshape{12}{\magstephalf}{OT1} +\let\ssecbf\ssecrm +\setfont\ssecsc\scbshape{10}{1315}{OT1} +\font\sseci=cmmi12 scaled \magstephalf +\font\ssecsy=cmsy10 scaled 1315 +\def\ssececsize{1200} + +% Reduced fonts for @acro in text (10pt). +\def\reducednominalsize{10pt} +\setfont\reducedrm\rmshape{10}{1000}{OT1} +\setfont\reducedtt\ttshape{10}{1000}{OT1TT} +\setfont\reducedbf\bfshape{10}{1000}{OT1} +\setfont\reducedit\itshape{10}{1000}{OT1IT} +\setfont\reducedsl\slshape{10}{1000}{OT1} +\setfont\reducedsf\sfshape{10}{1000}{OT1} +\setfont\reducedsc\scshape{10}{1000}{OT1} +\setfont\reducedttsl\ttslshape{10}{1000}{OT1TT} +\font\reducedi=cmmi10 +\font\reducedsy=cmsy10 +\def\reducedecsize{1000} + +% reset the current fonts +\textfonts +\rm +} % end of 11pt text font size definitions + + +% Definitions to make the main text be 10pt Computer Modern, with +% section, chapter, etc., sizes following suit. This is for the GNU +% Press printing of the Emacs 22 manual. Maybe other manuals in the +% future. Used with @smallbook, which sets the leading to 12pt. +% +\def\definetextfontsizex{% +% Text fonts (10pt). +\def\textnominalsize{10pt} +\edef\mainmagstep{1000} +\setfont\textrm\rmshape{10}{\mainmagstep}{OT1} +\setfont\texttt\ttshape{10}{\mainmagstep}{OT1TT} +\setfont\textbf\bfshape{10}{\mainmagstep}{OT1} +\setfont\textit\itshape{10}{\mainmagstep}{OT1IT} +\setfont\textsl\slshape{10}{\mainmagstep}{OT1} +\setfont\textsf\sfshape{10}{\mainmagstep}{OT1} +\setfont\textsc\scshape{10}{\mainmagstep}{OT1} +\setfont\textttsl\ttslshape{10}{\mainmagstep}{OT1TT} +\font\texti=cmmi10 scaled \mainmagstep +\font\textsy=cmsy10 scaled \mainmagstep +\def\textecsize{1000} + +% A few fonts for @defun names and args. +\setfont\defbf\bfshape{10}{\magstephalf}{OT1} +\setfont\deftt\ttshape{10}{\magstephalf}{OT1TT} +\setfont\defttsl\ttslshape{10}{\magstephalf}{OT1TT} +\def\df{\let\tentt=\deftt \let\tenbf = \defbf \let\tenttsl=\defttsl \bf} + +% Fonts for indices, footnotes, small examples (9pt). +\def\smallnominalsize{9pt} +\setfont\smallrm\rmshape{9}{1000}{OT1} +\setfont\smalltt\ttshape{9}{1000}{OT1TT} +\setfont\smallbf\bfshape{10}{900}{OT1} +\setfont\smallit\itshape{9}{1000}{OT1IT} +\setfont\smallsl\slshape{9}{1000}{OT1} +\setfont\smallsf\sfshape{9}{1000}{OT1} +\setfont\smallsc\scshape{10}{900}{OT1} +\setfont\smallttsl\ttslshape{10}{900}{OT1TT} +\font\smalli=cmmi9 +\font\smallsy=cmsy9 +\def\smallecsize{0900} + +% Fonts for small examples (8pt). +\def\smallernominalsize{8pt} +\setfont\smallerrm\rmshape{8}{1000}{OT1} +\setfont\smallertt\ttshape{8}{1000}{OT1TT} +\setfont\smallerbf\bfshape{10}{800}{OT1} +\setfont\smallerit\itshape{8}{1000}{OT1IT} +\setfont\smallersl\slshape{8}{1000}{OT1} +\setfont\smallersf\sfshape{8}{1000}{OT1} +\setfont\smallersc\scshape{10}{800}{OT1} +\setfont\smallerttsl\ttslshape{10}{800}{OT1TT} +\font\smalleri=cmmi8 +\font\smallersy=cmsy8 +\def\smallerecsize{0800} + +% Fonts for title page (20.4pt): +\def\titlenominalsize{20pt} +\setfont\titlerm\rmbshape{12}{\magstep3}{OT1} +\setfont\titleit\itbshape{10}{\magstep4}{OT1IT} +\setfont\titlesl\slbshape{10}{\magstep4}{OT1} +\setfont\titlett\ttbshape{12}{\magstep3}{OT1TT} +\setfont\titlettsl\ttslshape{10}{\magstep4}{OT1TT} +\setfont\titlesf\sfbshape{17}{\magstep1}{OT1} +\let\titlebf=\titlerm +\setfont\titlesc\scbshape{10}{\magstep4}{OT1} +\font\titlei=cmmi12 scaled \magstep3 +\font\titlesy=cmsy10 scaled \magstep4 +\def\titleecsize{2074} + +% Chapter fonts (14.4pt). +\def\chapnominalsize{14pt} +\setfont\chaprm\rmbshape{12}{\magstep1}{OT1} +\setfont\chapit\itbshape{10}{\magstep2}{OT1IT} +\setfont\chapsl\slbshape{10}{\magstep2}{OT1} +\setfont\chaptt\ttbshape{12}{\magstep1}{OT1TT} +\setfont\chapttsl\ttslshape{10}{\magstep2}{OT1TT} +\setfont\chapsf\sfbshape{12}{\magstep1}{OT1} +\let\chapbf\chaprm +\setfont\chapsc\scbshape{10}{\magstep2}{OT1} +\font\chapi=cmmi12 scaled \magstep1 +\font\chapsy=cmsy10 scaled \magstep2 +\def\chapecsize{1440} + +% Section fonts (12pt). +\def\secnominalsize{12pt} +\setfont\secrm\rmbshape{12}{1000}{OT1} +\setfont\secit\itbshape{10}{\magstep1}{OT1IT} +\setfont\secsl\slbshape{10}{\magstep1}{OT1} +\setfont\sectt\ttbshape{12}{1000}{OT1TT} +\setfont\secttsl\ttslshape{10}{\magstep1}{OT1TT} +\setfont\secsf\sfbshape{12}{1000}{OT1} +\let\secbf\secrm +\setfont\secsc\scbshape{10}{\magstep1}{OT1} +\font\seci=cmmi12 +\font\secsy=cmsy10 scaled \magstep1 +\def\sececsize{1200} + +% Subsection fonts (10pt). +\def\ssecnominalsize{10pt} +\setfont\ssecrm\rmbshape{10}{1000}{OT1} +\setfont\ssecit\itbshape{10}{1000}{OT1IT} +\setfont\ssecsl\slbshape{10}{1000}{OT1} +\setfont\ssectt\ttbshape{10}{1000}{OT1TT} +\setfont\ssecttsl\ttslshape{10}{1000}{OT1TT} +\setfont\ssecsf\sfbshape{10}{1000}{OT1} +\let\ssecbf\ssecrm +\setfont\ssecsc\scbshape{10}{1000}{OT1} +\font\sseci=cmmi10 +\font\ssecsy=cmsy10 +\def\ssececsize{1000} + +% Reduced fonts for @acro in text (9pt). +\def\reducednominalsize{9pt} +\setfont\reducedrm\rmshape{9}{1000}{OT1} +\setfont\reducedtt\ttshape{9}{1000}{OT1TT} +\setfont\reducedbf\bfshape{10}{900}{OT1} +\setfont\reducedit\itshape{9}{1000}{OT1IT} +\setfont\reducedsl\slshape{9}{1000}{OT1} +\setfont\reducedsf\sfshape{9}{1000}{OT1} +\setfont\reducedsc\scshape{10}{900}{OT1} +\setfont\reducedttsl\ttslshape{10}{900}{OT1TT} +\font\reducedi=cmmi9 +\font\reducedsy=cmsy9 +\def\reducedecsize{0900} + +% reduce space between paragraphs +\divide\parskip by 2 + +% reset the current fonts +\textfonts +\rm +} % end of 10pt text font size definitions + + +% We provide the user-level command +% @fonttextsize 10 +% (or 11) to redefine the text font size. pt is assumed. +% +\def\xword{10} +\def\xiword{11} +% +\parseargdef\fonttextsize{% + \def\textsizearg{#1}% + \wlog{doing @fonttextsize \textsizearg}% + % + % Set \globaldefs so that documents can use this inside @tex, since + % makeinfo 4.8 does not support it, but we need it nonetheless. + % + \begingroup \globaldefs=1 + \ifx\textsizearg\xword \definetextfontsizex + \else \ifx\textsizearg\xiword \definetextfontsizexi + \else + \errhelp=\EMsimple + \errmessage{@fonttextsize only supports `10' or `11', not `\textsizearg'} + \fi\fi + \endgroup +} + + +% In order for the font changes to affect most math symbols and letters, +% we have to define the \textfont of the standard families. Since +% texinfo doesn't allow for producing subscripts and superscripts except +% in the main text, we don't bother to reset \scriptfont and +% \scriptscriptfont (which would also require loading a lot more fonts). +% +\def\resetmathfonts{% + \textfont0=\tenrm \textfont1=\teni \textfont2=\tensy + \textfont\itfam=\tenit \textfont\slfam=\tensl \textfont\bffam=\tenbf + \textfont\ttfam=\tentt \textfont\sffam=\tensf +} + +% The font-changing commands redefine the meanings of \tenSTYLE, instead +% of just \STYLE. We do this because \STYLE needs to also set the +% current \fam for math mode. Our \STYLE (e.g., \rm) commands hardwire +% \tenSTYLE to set the current font. +% +% Each font-changing command also sets the names \lsize (one size lower) +% and \lllsize (three sizes lower). These relative commands are used in +% the LaTeX logo and acronyms. +% +% This all needs generalizing, badly. +% +\def\textfonts{% + \let\tenrm=\textrm \let\tenit=\textit \let\tensl=\textsl + \let\tenbf=\textbf \let\tentt=\texttt \let\smallcaps=\textsc + \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy + \let\tenttsl=\textttsl + \def\curfontsize{text}% + \def\lsize{reduced}\def\lllsize{smaller}% + \resetmathfonts \setleading{\textleading}} +\def\titlefonts{% + \let\tenrm=\titlerm \let\tenit=\titleit \let\tensl=\titlesl + \let\tenbf=\titlebf \let\tentt=\titlett \let\smallcaps=\titlesc + \let\tensf=\titlesf \let\teni=\titlei \let\tensy=\titlesy + \let\tenttsl=\titlettsl + \def\curfontsize{title}% + \def\lsize{chap}\def\lllsize{subsec}% + \resetmathfonts \setleading{25pt}} +\def\titlefont#1{{\titlefonts\rmisbold #1}} +\def\chapfonts{% + \let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl + \let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc + \let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy + \let\tenttsl=\chapttsl + \def\curfontsize{chap}% + \def\lsize{sec}\def\lllsize{text}% + \resetmathfonts \setleading{19pt}} +\def\secfonts{% + \let\tenrm=\secrm \let\tenit=\secit \let\tensl=\secsl + \let\tenbf=\secbf \let\tentt=\sectt \let\smallcaps=\secsc + \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy + \let\tenttsl=\secttsl + \def\curfontsize{sec}% + \def\lsize{subsec}\def\lllsize{reduced}% + \resetmathfonts \setleading{16pt}} +\def\subsecfonts{% + \let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl + \let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc + \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy + \let\tenttsl=\ssecttsl + \def\curfontsize{ssec}% + \def\lsize{text}\def\lllsize{small}% + \resetmathfonts \setleading{15pt}} +\let\subsubsecfonts = \subsecfonts +\def\reducedfonts{% + \let\tenrm=\reducedrm \let\tenit=\reducedit \let\tensl=\reducedsl + \let\tenbf=\reducedbf \let\tentt=\reducedtt \let\reducedcaps=\reducedsc + \let\tensf=\reducedsf \let\teni=\reducedi \let\tensy=\reducedsy + \let\tenttsl=\reducedttsl + \def\curfontsize{reduced}% + \def\lsize{small}\def\lllsize{smaller}% + \resetmathfonts \setleading{10.5pt}} +\def\smallfonts{% + \let\tenrm=\smallrm \let\tenit=\smallit \let\tensl=\smallsl + \let\tenbf=\smallbf \let\tentt=\smalltt \let\smallcaps=\smallsc + \let\tensf=\smallsf \let\teni=\smalli \let\tensy=\smallsy + \let\tenttsl=\smallttsl + \def\curfontsize{small}% + \def\lsize{smaller}\def\lllsize{smaller}% + \resetmathfonts \setleading{10.5pt}} +\def\smallerfonts{% + \let\tenrm=\smallerrm \let\tenit=\smallerit \let\tensl=\smallersl + \let\tenbf=\smallerbf \let\tentt=\smallertt \let\smallcaps=\smallersc + \let\tensf=\smallersf \let\teni=\smalleri \let\tensy=\smallersy + \let\tenttsl=\smallerttsl + \def\curfontsize{smaller}% + \def\lsize{smaller}\def\lllsize{smaller}% + \resetmathfonts \setleading{9.5pt}} + +% Fonts for short table of contents. +\setfont\shortcontrm\rmshape{12}{1000}{OT1} +\setfont\shortcontbf\bfshape{10}{\magstep1}{OT1} % no cmb12 +\setfont\shortcontsl\slshape{12}{1000}{OT1} +\setfont\shortconttt\ttshape{12}{1000}{OT1TT} + +% Define these just so they can be easily changed for other fonts. +\def\angleleft{$\langle$} +\def\angleright{$\rangle$} + +% Set the fonts to use with the @small... environments. +\let\smallexamplefonts = \smallfonts + +% About \smallexamplefonts. If we use \smallfonts (9pt), @smallexample +% can fit this many characters: +% 8.5x11=86 smallbook=72 a4=90 a5=69 +% If we use \scriptfonts (8pt), then we can fit this many characters: +% 8.5x11=90+ smallbook=80 a4=90+ a5=77 +% For me, subjectively, the few extra characters that fit aren't worth +% the additional smallness of 8pt. So I'm making the default 9pt. +% +% By the way, for comparison, here's what fits with @example (10pt): +% 8.5x11=71 smallbook=60 a4=75 a5=58 +% --karl, 24jan03. + +% Set up the default fonts, so we can use them for creating boxes. +% +\definetextfontsizexi + + +\message{markup,} + +% Check if we are currently using a typewriter font. Since all the +% Computer Modern typewriter fonts have zero interword stretch (and +% shrink), and it is reasonable to expect all typewriter fonts to have +% this property, we can check that font parameter. +% +\def\ifmonospace{\ifdim\fontdimen3\font=0pt } + +% Markup style infrastructure. \defmarkupstylesetup\INITMACRO will +% define and register \INITMACRO to be called on markup style changes. +% \INITMACRO can check \currentmarkupstyle for the innermost +% style and the set of \ifmarkupSTYLE switches for all styles +% currently in effect. +\newif\ifmarkupvar +\newif\ifmarkupsamp +\newif\ifmarkupkey +%\newif\ifmarkupfile % @file == @samp. +%\newif\ifmarkupoption % @option == @samp. +\newif\ifmarkupcode +\newif\ifmarkupkbd +%\newif\ifmarkupenv % @env == @code. +%\newif\ifmarkupcommand % @command == @code. +\newif\ifmarkuptex % @tex (and part of @math, for now). +\newif\ifmarkupexample +\newif\ifmarkupverb +\newif\ifmarkupverbatim + +\let\currentmarkupstyle\empty + +\def\setupmarkupstyle#1{% + \csname markup#1true\endcsname + \def\currentmarkupstyle{#1}% + \markupstylesetup +} + +\let\markupstylesetup\empty + +\def\defmarkupstylesetup#1{% + \expandafter\def\expandafter\markupstylesetup + \expandafter{\markupstylesetup #1}% + \def#1% +} + +% Markup style setup for left and right quotes. +\defmarkupstylesetup\markupsetuplq{% + \expandafter\let\expandafter \temp \csname markupsetuplq\currentmarkupstyle\endcsname + \ifx\temp\relax \markupsetuplqdefault \else \temp \fi +} + +\defmarkupstylesetup\markupsetuprq{% + \expandafter\let\expandafter \temp \csname markupsetuprq\currentmarkupstyle\endcsname + \ifx\temp\relax \markupsetuprqdefault \else \temp \fi +} + +{ +\catcode`\'=\active +\catcode`\`=\active + +\gdef\markupsetuplqdefault{\let`\lq} +\gdef\markupsetuprqdefault{\let'\rq} + +\gdef\markupsetcodequoteleft{\let`\codequoteleft} +\gdef\markupsetcodequoteright{\let'\codequoteright} + +\gdef\markupsetnoligaturesquoteleft{\let`\noligaturesquoteleft} +} + +\let\markupsetuplqcode \markupsetcodequoteleft +\let\markupsetuprqcode \markupsetcodequoteright +\let\markupsetuplqexample \markupsetcodequoteleft +\let\markupsetuprqexample \markupsetcodequoteright +\let\markupsetuplqverb \markupsetcodequoteleft +\let\markupsetuprqverb \markupsetcodequoteright +\let\markupsetuplqverbatim \markupsetcodequoteleft +\let\markupsetuprqverbatim \markupsetcodequoteright + +\let\markupsetuplqsamp \markupsetnoligaturesquoteleft +\let\markupsetuplqkbd \markupsetnoligaturesquoteleft + +% Allow an option to not replace quotes with a regular directed right +% quote/apostrophe (char 0x27), but instead use the undirected quote +% from cmtt (char 0x0d). The undirected quote is ugly, so don't make it +% the default, but it works for pasting with more pdf viewers (at least +% evince), the lilypond developers report. xpdf does work with the +% regular 0x27. +% +\def\codequoteright{% + \expandafter\ifx\csname SETtxicodequoteundirected\endcsname\relax + \expandafter\ifx\csname SETcodequoteundirected\endcsname\relax + '% + \else \char'15 \fi + \else \char'15 \fi +} +% +% and a similar option for the left quote char vs. a grave accent. +% Modern fonts display ASCII 0x60 as a grave accent, so some people like +% the code environments to do likewise. +% +\def\codequoteleft{% + \expandafter\ifx\csname SETtxicodequotebacktick\endcsname\relax + \expandafter\ifx\csname SETcodequotebacktick\endcsname\relax + % [Knuth] pp. 380,381,391 + % \relax disables Spanish ligatures ?` and !` of \tt font. + \relax`% + \else \char'22 \fi + \else \char'22 \fi +} + +% [Knuth] pp. 380,381,391, disable Spanish ligatures ?` and !` of \tt font. +\def\noligaturesquoteleft{\relax\lq} + +% Count depth in font-changes, for error checks +\newcount\fontdepth \fontdepth=0 + +%% Add scribe-like font environments, plus @l for inline lisp (usually sans +%% serif) and @ii for TeX italic + +% \smartitalic{ARG} outputs arg in italics, followed by an italic correction +% unless the following character is such as not to need one. +\def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else + \ptexslash\fi\fi\fi} +\def\smartslanted#1{{\ifusingtt\ttsl\sl #1}\futurelet\next\smartitalicx} +\def\smartitalic#1{{\ifusingtt\ttsl\it #1}\futurelet\next\smartitalicx} + +% like \smartslanted except unconditionally uses \ttsl. +% @var is set to this for defun arguments. +\def\ttslanted#1{{\ttsl #1}\futurelet\next\smartitalicx} + +% @cite is like \smartslanted except unconditionally use \sl. We never want +% ttsl for book titles, do we? +\def\cite#1{{\sl #1}\futurelet\next\smartitalicx} + +\let\i=\smartitalic +\let\slanted=\smartslanted +\def\var#1{{\setupmarkupstyle{var}\smartslanted{#1}}} +\let\dfn=\smartslanted +\let\emph=\smartitalic + +% Explicit font changes: @r, @sc, undocumented @ii. +\def\r#1{{\rm #1}} % roman font +\def\sc#1{{\smallcaps#1}} % smallcaps font +\def\ii#1{{\it #1}} % italic font + +% @b, explicit bold. Also @strong. +\def\b#1{{\bf #1}} +\let\strong=\b + +% @sansserif, explicit sans. +\def\sansserif#1{{\sf #1}} + +% We can't just use \exhyphenpenalty, because that only has effect at +% the end of a paragraph. Restore normal hyphenation at the end of the +% group within which \nohyphenation is presumably called. +% +\def\nohyphenation{\hyphenchar\font = -1 \aftergroup\restorehyphenation} +\def\restorehyphenation{\hyphenchar\font = `- } + +% Set sfcode to normal for the chars that usually have another value. +% Can't use plain's \frenchspacing because it uses the `\x notation, and +% sometimes \x has an active definition that messes things up. +% +\catcode`@=11 + \def\plainfrenchspacing{% + \sfcode\dotChar =\@m \sfcode\questChar=\@m \sfcode\exclamChar=\@m + \sfcode\colonChar=\@m \sfcode\semiChar =\@m \sfcode\commaChar =\@m + \def\endofsentencespacefactor{1000}% for @. and friends + } + \def\plainnonfrenchspacing{% + \sfcode`\.3000\sfcode`\?3000\sfcode`\!3000 + \sfcode`\:2000\sfcode`\;1500\sfcode`\,1250 + \def\endofsentencespacefactor{3000}% for @. and friends + } +\catcode`@=\other +\def\endofsentencespacefactor{3000}% default + +% @t, explicit typewriter. +\def\t#1{% + {\tt \rawbackslash \plainfrenchspacing #1}% + \null +} + +% @samp. +\def\samp#1{{\setupmarkupstyle{samp}\lq\tclose{#1}\rq\null}} + +% definition of @key that produces a lozenge. Doesn't adjust to text size. +%\setfont\keyrm\rmshape{8}{1000}{OT1} +%\font\keysy=cmsy9 +%\def\key#1{{\keyrm\textfont2=\keysy \leavevmode\hbox{% +% \raise0.4pt\hbox{\angleleft}\kern-.08em\vtop{% +% \vbox{\hrule\kern-0.4pt +% \hbox{\raise0.4pt\hbox{\vphantom{\angleleft}}#1}}% +% \kern-0.4pt\hrule}% +% \kern-.06em\raise0.4pt\hbox{\angleright}}}} + +% definition of @key with no lozenge. If the current font is already +% monospace, don't change it; that way, we respect @kbdinputstyle. But +% if it isn't monospace, then use \tt. +% +\def\key#1{{\setupmarkupstyle{key}% + \nohyphenation + \ifmonospace\else\tt\fi + #1}\null} + +% ctrl is no longer a Texinfo command. +\def\ctrl #1{{\tt \rawbackslash \hat}#1} + +% @file, @option are the same as @samp. +\let\file=\samp +\let\option=\samp + +% @code is a modification of @t, +% which makes spaces the same size as normal in the surrounding text. +\def\tclose#1{% + {% + % Change normal interword space to be same as for the current font. + \spaceskip = \fontdimen2\font + % + % Switch to typewriter. + \tt + % + % But `\ ' produces the large typewriter interword space. + \def\ {{\spaceskip = 0pt{} }}% + % + % Turn off hyphenation. + \nohyphenation + % + \rawbackslash + \plainfrenchspacing + #1% + }% + \null +} + +% We *must* turn on hyphenation at `-' and `_' in @code. +% Otherwise, it is too hard to avoid overfull hboxes +% in the Emacs manual, the Library manual, etc. + +% Unfortunately, TeX uses one parameter (\hyphenchar) to control +% both hyphenation at - and hyphenation within words. +% We must therefore turn them both off (\tclose does that) +% and arrange explicitly to hyphenate at a dash. +% -- rms. +{ + \catcode`\-=\active \catcode`\_=\active + \catcode`\'=\active \catcode`\`=\active + \global\let'=\rq \global\let`=\lq % default definitions + % + \global\def\code{\begingroup + \setupmarkupstyle{code}% + % The following should really be moved into \setupmarkupstyle handlers. + \catcode\dashChar=\active \catcode\underChar=\active + \ifallowcodebreaks + \let-\codedash + \let_\codeunder + \else + \let-\realdash + \let_\realunder + \fi + \codex + } +} + +\def\realdash{-} +\def\codedash{-\discretionary{}{}{}} +\def\codeunder{% + % this is all so @math{@code{var_name}+1} can work. In math mode, _ + % is "active" (mathcode"8000) and \normalunderscore (or \char95, etc.) + % will therefore expand the active definition of _, which is us + % (inside @code that is), therefore an endless loop. + \ifusingtt{\ifmmode + \mathchar"075F % class 0=ordinary, family 7=ttfam, pos 0x5F=_. + \else\normalunderscore \fi + \discretionary{}{}{}}% + {\_}% +} +\def\codex #1{\tclose{#1}\endgroup} + +% An additional complication: the above will allow breaks after, e.g., +% each of the four underscores in __typeof__. This is undesirable in +% some manuals, especially if they don't have long identifiers in +% general. @allowcodebreaks provides a way to control this. +% +\newif\ifallowcodebreaks \allowcodebreakstrue + +\def\keywordtrue{true} +\def\keywordfalse{false} + +\parseargdef\allowcodebreaks{% + \def\txiarg{#1}% + \ifx\txiarg\keywordtrue + \allowcodebreakstrue + \else\ifx\txiarg\keywordfalse + \allowcodebreaksfalse + \else + \errhelp = \EMsimple + \errmessage{Unknown @allowcodebreaks option `\txiarg'}% + \fi\fi +} + +% @kbd is like @code, except that if the argument is just one @key command, +% then @kbd has no effect. +\def\kbd#1{{\setupmarkupstyle{kbd}\def\look{#1}\expandafter\kbdfoo\look??\par}} + +% @kbdinputstyle -- arg is `distinct' (@kbd uses slanted tty font always), +% `example' (@kbd uses ttsl only inside of @example and friends), +% or `code' (@kbd uses normal tty font always). +\parseargdef\kbdinputstyle{% + \def\txiarg{#1}% + \ifx\txiarg\worddistinct + \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl}% + \else\ifx\txiarg\wordexample + \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\tt}% + \else\ifx\txiarg\wordcode + \gdef\kbdexamplefont{\tt}\gdef\kbdfont{\tt}% + \else + \errhelp = \EMsimple + \errmessage{Unknown @kbdinputstyle option `\txiarg'}% + \fi\fi\fi +} +\def\worddistinct{distinct} +\def\wordexample{example} +\def\wordcode{code} + +% Default is `distinct'. +\kbdinputstyle distinct + +\def\xkey{\key} +\def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}% +\ifx\one\xkey\ifx\threex\three \key{#2}% +\else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi +\else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi} + +% For @indicateurl, @env, @command quotes seem unnecessary, so use \code. +\let\indicateurl=\code +\let\env=\code +\let\command=\code + +% @clicksequence{File @click{} Open ...} +\def\clicksequence#1{\begingroup #1\endgroup} + +% @clickstyle @arrow (by default) +\parseargdef\clickstyle{\def\click{#1}} +\def\click{\arrow} + +% @uref (abbreviation for `urlref') takes an optional (comma-separated) +% second argument specifying the text to display and an optional third +% arg as text to display instead of (rather than in addition to) the url +% itself. First (mandatory) arg is the url. Perhaps eventually put in +% a hypertex \special here. +% +\def\uref#1{\douref #1,,,\finish} +\def\douref#1,#2,#3,#4\finish{\begingroup + \unsepspaces + \pdfurl{#1}% + \setbox0 = \hbox{\ignorespaces #3}% + \ifdim\wd0 > 0pt + \unhbox0 % third arg given, show only that + \else + \setbox0 = \hbox{\ignorespaces #2}% + \ifdim\wd0 > 0pt + \ifpdf + \unhbox0 % PDF: 2nd arg given, show only it + \else + \unhbox0\ (\code{#1})% DVI: 2nd arg given, show both it and url + \fi + \else + \code{#1}% only url given, so show it + \fi + \fi + \endlink +\endgroup} + +% @url synonym for @uref, since that's how everyone uses it. +% +\let\url=\uref + +% rms does not like angle brackets --karl, 17may97. +% So now @email is just like @uref, unless we are pdf. +% +%\def\email#1{\angleleft{\tt #1}\angleright} +\ifpdf + \def\email#1{\doemail#1,,\finish} + \def\doemail#1,#2,#3\finish{\begingroup + \unsepspaces + \pdfurl{mailto:#1}% + \setbox0 = \hbox{\ignorespaces #2}% + \ifdim\wd0>0pt\unhbox0\else\code{#1}\fi + \endlink + \endgroup} +\else + \let\email=\uref +\fi + +% Typeset a dimension, e.g., `in' or `pt'. The only reason for the +% argument is to make the input look right: @dmn{pt} instead of @dmn{}pt. +% +\def\dmn#1{\thinspace #1} + +% @l was never documented to mean ``switch to the Lisp font'', +% and it is not used as such in any manual I can find. We need it for +% Polish suppressed-l. --karl, 22sep96. +%\def\l#1{{\li #1}\null} + +% @acronym for "FBI", "NATO", and the like. +% We print this one point size smaller, since it's intended for +% all-uppercase. +% +\def\acronym#1{\doacronym #1,,\finish} +\def\doacronym#1,#2,#3\finish{% + {\selectfonts\lsize #1}% + \def\temp{#2}% + \ifx\temp\empty \else + \space ({\unsepspaces \ignorespaces \temp \unskip})% + \fi +} + +% @abbr for "Comput. J." and the like. +% No font change, but don't do end-of-sentence spacing. +% +\def\abbr#1{\doabbr #1,,\finish} +\def\doabbr#1,#2,#3\finish{% + {\plainfrenchspacing #1}% + \def\temp{#2}% + \ifx\temp\empty \else + \space ({\unsepspaces \ignorespaces \temp \unskip})% + \fi +} + + +\message{glyphs,} + +% @point{}, @result{}, @expansion{}, @print{}, @equiv{}. +% +% Since these characters are used in examples, they should be an even number of +% \tt widths. Each \tt character is 1en, so two makes it 1em. +% +\def\point{$\star$} +\def\arrow{\leavevmode\raise.05ex\hbox to 1em{\hfil$\rightarrow$\hfil}} +\def\result{\leavevmode\raise.05ex\hbox to 1em{\hfil$\Rightarrow$\hfil}} +\def\expansion{\leavevmode\hbox to 1em{\hfil$\mapsto$\hfil}} +\def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}} +\def\equiv{\leavevmode\hbox to 1em{\hfil$\ptexequiv$\hfil}} + +% The @error{} command. +% Adapted from the TeXbook's \boxit. +% +\newbox\errorbox +% +{\tentt \global\dimen0 = 3em}% Width of the box. +\dimen2 = .55pt % Thickness of rules +% The text. (`r' is open on the right, `e' somewhat less so on the left.) +\setbox0 = \hbox{\kern-.75pt \reducedsf error\kern-1.5pt} +% +\setbox\errorbox=\hbox to \dimen0{\hfil + \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right. + \advance\hsize by -2\dimen2 % Rules. + \vbox{% + \hrule height\dimen2 + \hbox{\vrule width\dimen2 \kern3pt % Space to left of text. + \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below. + \kern3pt\vrule width\dimen2}% Space to right. + \hrule height\dimen2} + \hfil} +% +\def\error{\leavevmode\lower.7ex\copy\errorbox} + +% @pounds{} is a sterling sign, which Knuth put in the CM italic font. +% +\def\pounds{{\it\$}} + +% @euro{} comes from a separate font, depending on the current style. +% We use the free feym* fonts from the eurosym package by Henrik +% Theiling, which support regular, slanted, bold and bold slanted (and +% "outlined" (blackboard board, sort of) versions, which we don't need). +% It is available from http://www.ctan.org/tex-archive/fonts/eurosym. +% +% Although only regular is the truly official Euro symbol, we ignore +% that. The Euro is designed to be slightly taller than the regular +% font height. +% +% feymr - regular +% feymo - slanted +% feybr - bold +% feybo - bold slanted +% +% There is no good (free) typewriter version, to my knowledge. +% A feymr10 euro is ~7.3pt wide, while a normal cmtt10 char is ~5.25pt wide. +% Hmm. +% +% Also doesn't work in math. Do we need to do math with euro symbols? +% Hope not. +% +% +\def\euro{{\eurofont e}} +\def\eurofont{% + % We set the font at each command, rather than predefining it in + % \textfonts and the other font-switching commands, so that + % installations which never need the symbol don't have to have the + % font installed. + % + % There is only one designed size (nominal 10pt), so we always scale + % that to the current nominal size. + % + % By the way, simply using "at 1em" works for cmr10 and the like, but + % does not work for cmbx10 and other extended/shrunken fonts. + % + \def\eurosize{\csname\curfontsize nominalsize\endcsname}% + % + \ifx\curfontstyle\bfstylename + % bold: + \font\thiseurofont = \ifusingit{feybo10}{feybr10} at \eurosize + \else + % regular: + \font\thiseurofont = \ifusingit{feymo10}{feymr10} at \eurosize + \fi + \thiseurofont +} + +% Glyphs from the EC fonts. We don't use \let for the aliases, because +% sometimes we redefine the original macro, and the alias should reflect +% the redefinition. +% +% Use LaTeX names for the Icelandic letters. +\def\DH{{\ecfont \char"D0}} % Eth +\def\dh{{\ecfont \char"F0}} % eth +\def\TH{{\ecfont \char"DE}} % Thorn +\def\th{{\ecfont \char"FE}} % thorn +% +\def\guillemetleft{{\ecfont \char"13}} +\def\guillemotleft{\guillemetleft} +\def\guillemetright{{\ecfont \char"14}} +\def\guillemotright{\guillemetright} +\def\guilsinglleft{{\ecfont \char"0E}} +\def\guilsinglright{{\ecfont \char"0F}} +\def\quotedblbase{{\ecfont \char"12}} +\def\quotesinglbase{{\ecfont \char"0D}} +% +% This positioning is not perfect (see the ogonek LaTeX package), but +% we have the precomposed glyphs for the most common cases. We put the +% tests to use those glyphs in the single \ogonek macro so we have fewer +% dummy definitions to worry about for index entries, etc. +% +% ogonek is also used with other letters in Lithuanian (IOU), but using +% the precomposed glyphs for those is not so easy since they aren't in +% the same EC font. +\def\ogonek#1{{% + \def\temp{#1}% + \ifx\temp\macrocharA\Aogonek + \else\ifx\temp\macrochara\aogonek + \else\ifx\temp\macrocharE\Eogonek + \else\ifx\temp\macrochare\eogonek + \else + \ecfont \setbox0=\hbox{#1}% + \ifdim\ht0=1ex\accent"0C #1% + \else\ooalign{\unhbox0\crcr\hidewidth\char"0C \hidewidth}% + \fi + \fi\fi\fi\fi + }% +} +\def\Aogonek{{\ecfont \char"81}}\def\macrocharA{A} +\def\aogonek{{\ecfont \char"A1}}\def\macrochara{a} +\def\Eogonek{{\ecfont \char"86}}\def\macrocharE{E} +\def\eogonek{{\ecfont \char"A6}}\def\macrochare{e} +% +% Use the ec* fonts (cm-super in outline format) for non-CM glyphs. +\def\ecfont{% + % We can't distinguish serif/sans and italic/slanted, but this + % is used for crude hacks anyway (like adding French and German + % quotes to documents typeset with CM, where we lose kerning), so + % hopefully nobody will notice/care. + \edef\ecsize{\csname\curfontsize ecsize\endcsname}% + \edef\nominalsize{\csname\curfontsize nominalsize\endcsname}% + \ifx\curfontstyle\bfstylename + % bold: + \font\thisecfont = ecb\ifusingit{i}{x}\ecsize \space at \nominalsize + \else + % regular: + \font\thisecfont = ec\ifusingit{ti}{rm}\ecsize \space at \nominalsize + \fi + \thisecfont +} + +% @registeredsymbol - R in a circle. The font for the R should really +% be smaller yet, but lllsize is the best we can do for now. +% Adapted from the plain.tex definition of \copyright. +% +\def\registeredsymbol{% + $^{{\ooalign{\hfil\raise.07ex\hbox{\selectfonts\lllsize R}% + \hfil\crcr\Orb}}% + }$% +} + +% @textdegree - the normal degrees sign. +% +\def\textdegree{$^\circ$} + +% Laurent Siebenmann reports \Orb undefined with: +% Textures 1.7.7 (preloaded format=plain 93.10.14) (68K) 16 APR 2004 02:38 +% so we'll define it if necessary. +% +\ifx\Orb\undefined +\def\Orb{\mathhexbox20D} +\fi + +% Quotes. +\chardef\quotedblleft="5C +\chardef\quotedblright=`\" +\chardef\quoteleft=`\` +\chardef\quoteright=`\' + + +\message{page headings,} + +\newskip\titlepagetopglue \titlepagetopglue = 1.5in +\newskip\titlepagebottomglue \titlepagebottomglue = 2pc + +% First the title page. Must do @settitle before @titlepage. +\newif\ifseenauthor +\newif\iffinishedtitlepage + +% Do an implicit @contents or @shortcontents after @end titlepage if the +% user says @setcontentsaftertitlepage or @setshortcontentsaftertitlepage. +% +\newif\ifsetcontentsaftertitlepage + \let\setcontentsaftertitlepage = \setcontentsaftertitlepagetrue +\newif\ifsetshortcontentsaftertitlepage + \let\setshortcontentsaftertitlepage = \setshortcontentsaftertitlepagetrue + +\parseargdef\shorttitlepage{\begingroup\hbox{}\vskip 1.5in \chaprm \centerline{#1}% + \endgroup\page\hbox{}\page} + +\envdef\titlepage{% + % Open one extra group, as we want to close it in the middle of \Etitlepage. + \begingroup + \parindent=0pt \textfonts + % Leave some space at the very top of the page. + \vglue\titlepagetopglue + % No rule at page bottom unless we print one at the top with @title. + \finishedtitlepagetrue + % + % Most title ``pages'' are actually two pages long, with space + % at the top of the second. We don't want the ragged left on the second. + \let\oldpage = \page + \def\page{% + \iffinishedtitlepage\else + \finishtitlepage + \fi + \let\page = \oldpage + \page + \null + }% +} + +\def\Etitlepage{% + \iffinishedtitlepage\else + \finishtitlepage + \fi + % It is important to do the page break before ending the group, + % because the headline and footline are only empty inside the group. + % If we use the new definition of \page, we always get a blank page + % after the title page, which we certainly don't want. + \oldpage + \endgroup + % + % Need this before the \...aftertitlepage checks so that if they are + % in effect the toc pages will come out with page numbers. + \HEADINGSon + % + % If they want short, they certainly want long too. + \ifsetshortcontentsaftertitlepage + \shortcontents + \contents + \global\let\shortcontents = \relax + \global\let\contents = \relax + \fi + % + \ifsetcontentsaftertitlepage + \contents + \global\let\contents = \relax + \global\let\shortcontents = \relax + \fi +} + +\def\finishtitlepage{% + \vskip4pt \hrule height 2pt width \hsize + \vskip\titlepagebottomglue + \finishedtitlepagetrue +} + +%%% Macros to be used within @titlepage: + +\let\subtitlerm=\tenrm +\def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines} + +\parseargdef\title{% + \checkenv\titlepage + \leftline{\titlefonts\rmisbold #1} + % print a rule at the page bottom also. + \finishedtitlepagefalse + \vskip4pt \hrule height 4pt width \hsize \vskip4pt +} + +\parseargdef\subtitle{% + \checkenv\titlepage + {\subtitlefont \rightline{#1}}% +} + +% @author should come last, but may come many times. +% It can also be used inside @quotation. +% +\parseargdef\author{% + \def\temp{\quotation}% + \ifx\thisenv\temp + \def\quotationauthor{#1}% printed in \Equotation. + \else + \checkenv\titlepage + \ifseenauthor\else \vskip 0pt plus 1filll \seenauthortrue \fi + {\secfonts\rmisbold \leftline{#1}}% + \fi +} + + +%%% Set up page headings and footings. + +\let\thispage=\folio + +\newtoks\evenheadline % headline on even pages +\newtoks\oddheadline % headline on odd pages +\newtoks\evenfootline % footline on even pages +\newtoks\oddfootline % footline on odd pages + +% Now make TeX use those variables +\headline={{\textfonts\rm \ifodd\pageno \the\oddheadline + \else \the\evenheadline \fi}} +\footline={{\textfonts\rm \ifodd\pageno \the\oddfootline + \else \the\evenfootline \fi}\HEADINGShook} +\let\HEADINGShook=\relax + +% Commands to set those variables. +% For example, this is what @headings on does +% @evenheading @thistitle|@thispage|@thischapter +% @oddheading @thischapter|@thispage|@thistitle +% @evenfooting @thisfile|| +% @oddfooting ||@thisfile + + +\def\evenheading{\parsearg\evenheadingxxx} +\def\evenheadingxxx #1{\evenheadingyyy #1\|\|\|\|\finish} +\def\evenheadingyyy #1\|#2\|#3\|#4\finish{% +\global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}} + +\def\oddheading{\parsearg\oddheadingxxx} +\def\oddheadingxxx #1{\oddheadingyyy #1\|\|\|\|\finish} +\def\oddheadingyyy #1\|#2\|#3\|#4\finish{% +\global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}} + +\parseargdef\everyheading{\oddheadingxxx{#1}\evenheadingxxx{#1}}% + +\def\evenfooting{\parsearg\evenfootingxxx} +\def\evenfootingxxx #1{\evenfootingyyy #1\|\|\|\|\finish} +\def\evenfootingyyy #1\|#2\|#3\|#4\finish{% +\global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}} + +\def\oddfooting{\parsearg\oddfootingxxx} +\def\oddfootingxxx #1{\oddfootingyyy #1\|\|\|\|\finish} +\def\oddfootingyyy #1\|#2\|#3\|#4\finish{% + \global\oddfootline = {\rlap{\centerline{#2}}\line{#1\hfil#3}}% + % + % Leave some space for the footline. Hopefully ok to assume + % @evenfooting will not be used by itself. + \global\advance\pageheight by -12pt + \global\advance\vsize by -12pt +} + +\parseargdef\everyfooting{\oddfootingxxx{#1}\evenfootingxxx{#1}} + +% @evenheadingmarks top \thischapter <- chapter at the top of a page +% @evenheadingmarks bottom \thischapter <- chapter at the bottom of a page +% +% The same set of arguments for: +% +% @oddheadingmarks +% @evenfootingmarks +% @oddfootingmarks +% @everyheadingmarks +% @everyfootingmarks + +\def\evenheadingmarks{\headingmarks{even}{heading}} +\def\oddheadingmarks{\headingmarks{odd}{heading}} +\def\evenfootingmarks{\headingmarks{even}{footing}} +\def\oddfootingmarks{\headingmarks{odd}{footing}} +\def\everyheadingmarks#1 {\headingmarks{even}{heading}{#1} + \headingmarks{odd}{heading}{#1} } +\def\everyfootingmarks#1 {\headingmarks{even}{footing}{#1} + \headingmarks{odd}{footing}{#1} } +% #1 = even/odd, #2 = heading/footing, #3 = top/bottom. +\def\headingmarks#1#2#3 {% + \expandafter\let\expandafter\temp \csname get#3headingmarks\endcsname + \global\expandafter\let\csname get#1#2marks\endcsname \temp +} + +\everyheadingmarks bottom +\everyfootingmarks bottom + +% @headings double turns headings on for double-sided printing. +% @headings single turns headings on for single-sided printing. +% @headings off turns them off. +% @headings on same as @headings double, retained for compatibility. +% @headings after turns on double-sided headings after this page. +% @headings doubleafter turns on double-sided headings after this page. +% @headings singleafter turns on single-sided headings after this page. +% By default, they are off at the start of a document, +% and turned `on' after @end titlepage. + +\def\headings #1 {\csname HEADINGS#1\endcsname} + +\def\HEADINGSoff{% +\global\evenheadline={\hfil} \global\evenfootline={\hfil} +\global\oddheadline={\hfil} \global\oddfootline={\hfil}} +\HEADINGSoff +% When we turn headings on, set the page number to 1. +% For double-sided printing, put current file name in lower left corner, +% chapter name on inside top of right hand pages, document +% title on inside top of left hand pages, and page numbers on outside top +% edge of all pages. +\def\HEADINGSdouble{% +\global\pageno=1 +\global\evenfootline={\hfil} +\global\oddfootline={\hfil} +\global\evenheadline={\line{\folio\hfil\thistitle}} +\global\oddheadline={\line{\thischapter\hfil\folio}} +\global\let\contentsalignmacro = \chapoddpage +} +\let\contentsalignmacro = \chappager + +% For single-sided printing, chapter title goes across top left of page, +% page number on top right. +\def\HEADINGSsingle{% +\global\pageno=1 +\global\evenfootline={\hfil} +\global\oddfootline={\hfil} +\global\evenheadline={\line{\thischapter\hfil\folio}} +\global\oddheadline={\line{\thischapter\hfil\folio}} +\global\let\contentsalignmacro = \chappager +} +\def\HEADINGSon{\HEADINGSdouble} + +\def\HEADINGSafter{\let\HEADINGShook=\HEADINGSdoublex} +\let\HEADINGSdoubleafter=\HEADINGSafter +\def\HEADINGSdoublex{% +\global\evenfootline={\hfil} +\global\oddfootline={\hfil} +\global\evenheadline={\line{\folio\hfil\thistitle}} +\global\oddheadline={\line{\thischapter\hfil\folio}} +\global\let\contentsalignmacro = \chapoddpage +} + +\def\HEADINGSsingleafter{\let\HEADINGShook=\HEADINGSsinglex} +\def\HEADINGSsinglex{% +\global\evenfootline={\hfil} +\global\oddfootline={\hfil} +\global\evenheadline={\line{\thischapter\hfil\folio}} +\global\oddheadline={\line{\thischapter\hfil\folio}} +\global\let\contentsalignmacro = \chappager +} + +% Subroutines used in generating headings +% This produces Day Month Year style of output. +% Only define if not already defined, in case a txi-??.tex file has set +% up a different format (e.g., txi-cs.tex does this). +\ifx\today\undefined +\def\today{% + \number\day\space + \ifcase\month + \or\putwordMJan\or\putwordMFeb\or\putwordMMar\or\putwordMApr + \or\putwordMMay\or\putwordMJun\or\putwordMJul\or\putwordMAug + \or\putwordMSep\or\putwordMOct\or\putwordMNov\or\putwordMDec + \fi + \space\number\year} +\fi + +% @settitle line... specifies the title of the document, for headings. +% It generates no output of its own. +\def\thistitle{\putwordNoTitle} +\def\settitle{\parsearg{\gdef\thistitle}} + + +\message{tables,} +% Tables -- @table, @ftable, @vtable, @item(x). + +% default indentation of table text +\newdimen\tableindent \tableindent=.8in +% default indentation of @itemize and @enumerate text +\newdimen\itemindent \itemindent=.3in +% margin between end of table item and start of table text. +\newdimen\itemmargin \itemmargin=.1in + +% used internally for \itemindent minus \itemmargin +\newdimen\itemmax + +% Note @table, @ftable, and @vtable define @item, @itemx, etc., with +% these defs. +% They also define \itemindex +% to index the item name in whatever manner is desired (perhaps none). + +\newif\ifitemxneedsnegativevskip + +\def\itemxpar{\par\ifitemxneedsnegativevskip\nobreak\vskip-\parskip\nobreak\fi} + +\def\internalBitem{\smallbreak \parsearg\itemzzz} +\def\internalBitemx{\itemxpar \parsearg\itemzzz} + +\def\itemzzz #1{\begingroup % + \advance\hsize by -\rightskip + \advance\hsize by -\tableindent + \setbox0=\hbox{\itemindicate{#1}}% + \itemindex{#1}% + \nobreak % This prevents a break before @itemx. + % + % If the item text does not fit in the space we have, put it on a line + % by itself, and do not allow a page break either before or after that + % line. We do not start a paragraph here because then if the next + % command is, e.g., @kindex, the whatsit would get put into the + % horizontal list on a line by itself, resulting in extra blank space. + \ifdim \wd0>\itemmax + % + % Make this a paragraph so we get the \parskip glue and wrapping, + % but leave it ragged-right. + \begingroup + \advance\leftskip by-\tableindent + \advance\hsize by\tableindent + \advance\rightskip by0pt plus1fil + \leavevmode\unhbox0\par + \endgroup + % + % We're going to be starting a paragraph, but we don't want the + % \parskip glue -- logically it's part of the @item we just started. + \nobreak \vskip-\parskip + % + % Stop a page break at the \parskip glue coming up. However, if + % what follows is an environment such as @example, there will be no + % \parskip glue; then the negative vskip we just inserted would + % cause the example and the item to crash together. So we use this + % bizarre value of 10001 as a signal to \aboveenvbreak to insert + % \parskip glue after all. Section titles are handled this way also. + % + \penalty 10001 + \endgroup + \itemxneedsnegativevskipfalse + \else + % The item text fits into the space. Start a paragraph, so that the + % following text (if any) will end up on the same line. + \noindent + % Do this with kerns and \unhbox so that if there is a footnote in + % the item text, it can migrate to the main vertical list and + % eventually be printed. + \nobreak\kern-\tableindent + \dimen0 = \itemmax \advance\dimen0 by \itemmargin \advance\dimen0 by -\wd0 + \unhbox0 + \nobreak\kern\dimen0 + \endgroup + \itemxneedsnegativevskiptrue + \fi +} + +\def\item{\errmessage{@item while not in a list environment}} +\def\itemx{\errmessage{@itemx while not in a list environment}} + +% @table, @ftable, @vtable. +\envdef\table{% + \let\itemindex\gobble + \tablecheck{table}% +} +\envdef\ftable{% + \def\itemindex ##1{\doind {fn}{\code{##1}}}% + \tablecheck{ftable}% +} +\envdef\vtable{% + \def\itemindex ##1{\doind {vr}{\code{##1}}}% + \tablecheck{vtable}% +} +\def\tablecheck#1{% + \ifnum \the\catcode`\^^M=\active + \endgroup + \errmessage{This command won't work in this context; perhaps the problem is + that we are \inenvironment\thisenv}% + \def\next{\doignore{#1}}% + \else + \let\next\tablex + \fi + \next +} +\def\tablex#1{% + \def\itemindicate{#1}% + \parsearg\tabley +} +\def\tabley#1{% + {% + \makevalueexpandable + \edef\temp{\noexpand\tablez #1\space\space\space}% + \expandafter + }\temp \endtablez +} +\def\tablez #1 #2 #3 #4\endtablez{% + \aboveenvbreak + \ifnum 0#1>0 \advance \leftskip by #1\mil \fi + \ifnum 0#2>0 \tableindent=#2\mil \fi + \ifnum 0#3>0 \advance \rightskip by #3\mil \fi + \itemmax=\tableindent + \advance \itemmax by -\itemmargin + \advance \leftskip by \tableindent + \exdentamount=\tableindent + \parindent = 0pt + \parskip = \smallskipamount + \ifdim \parskip=0pt \parskip=2pt \fi + \let\item = \internalBitem + \let\itemx = \internalBitemx +} +\def\Etable{\endgraf\afterenvbreak} +\let\Eftable\Etable +\let\Evtable\Etable +\let\Eitemize\Etable +\let\Eenumerate\Etable + +% This is the counter used by @enumerate, which is really @itemize + +\newcount \itemno + +\envdef\itemize{\parsearg\doitemize} + +\def\doitemize#1{% + \aboveenvbreak + \itemmax=\itemindent + \advance\itemmax by -\itemmargin + \advance\leftskip by \itemindent + \exdentamount=\itemindent + \parindent=0pt + \parskip=\smallskipamount + \ifdim\parskip=0pt \parskip=2pt \fi + % + % Try typesetting the item mark that if the document erroneously says + % something like @itemize @samp (intending @table), there's an error + % right away at the @itemize. It's not the best error message in the + % world, but it's better than leaving it to the @item. This means if + % the user wants an empty mark, they have to say @w{} not just @w. + \def\itemcontents{#1}% + \setbox0 = \hbox{\itemcontents}% + % + % @itemize with no arg is equivalent to @itemize @bullet. + \ifx\itemcontents\empty\def\itemcontents{\bullet}\fi + % + \let\item=\itemizeitem +} + +% Definition of @item while inside @itemize and @enumerate. +% +\def\itemizeitem{% + \advance\itemno by 1 % for enumerations + {\let\par=\endgraf \smallbreak}% reasonable place to break + {% + % If the document has an @itemize directly after a section title, a + % \nobreak will be last on the list, and \sectionheading will have + % done a \vskip-\parskip. In that case, we don't want to zero + % parskip, or the item text will crash with the heading. On the + % other hand, when there is normal text preceding the item (as there + % usually is), we do want to zero parskip, or there would be too much + % space. In that case, we won't have a \nobreak before. At least + % that's the theory. + \ifnum\lastpenalty<10000 \parskip=0in \fi + \noindent + \hbox to 0pt{\hss \itemcontents \kern\itemmargin}% + % + \vadjust{\penalty 1200}}% not good to break after first line of item. + \flushcr +} + +% \splitoff TOKENS\endmark defines \first to be the first token in +% TOKENS, and \rest to be the remainder. +% +\def\splitoff#1#2\endmark{\def\first{#1}\def\rest{#2}}% + +% Allow an optional argument of an uppercase letter, lowercase letter, +% or number, to specify the first label in the enumerated list. No +% argument is the same as `1'. +% +\envparseargdef\enumerate{\enumeratey #1 \endenumeratey} +\def\enumeratey #1 #2\endenumeratey{% + % If we were given no argument, pretend we were given `1'. + \def\thearg{#1}% + \ifx\thearg\empty \def\thearg{1}\fi + % + % Detect if the argument is a single token. If so, it might be a + % letter. Otherwise, the only valid thing it can be is a number. + % (We will always have one token, because of the test we just made. + % This is a good thing, since \splitoff doesn't work given nothing at + % all -- the first parameter is undelimited.) + \expandafter\splitoff\thearg\endmark + \ifx\rest\empty + % Only one token in the argument. It could still be anything. + % A ``lowercase letter'' is one whose \lccode is nonzero. + % An ``uppercase letter'' is one whose \lccode is both nonzero, and + % not equal to itself. + % Otherwise, we assume it's a number. + % + % We need the \relax at the end of the \ifnum lines to stop TeX from + % continuing to look for a . + % + \ifnum\lccode\expandafter`\thearg=0\relax + \numericenumerate % a number (we hope) + \else + % It's a letter. + \ifnum\lccode\expandafter`\thearg=\expandafter`\thearg\relax + \lowercaseenumerate % lowercase letter + \else + \uppercaseenumerate % uppercase letter + \fi + \fi + \else + % Multiple tokens in the argument. We hope it's a number. + \numericenumerate + \fi +} + +% An @enumerate whose labels are integers. The starting integer is +% given in \thearg. +% +\def\numericenumerate{% + \itemno = \thearg + \startenumeration{\the\itemno}% +} + +% The starting (lowercase) letter is in \thearg. +\def\lowercaseenumerate{% + \itemno = \expandafter`\thearg + \startenumeration{% + % Be sure we're not beyond the end of the alphabet. + \ifnum\itemno=0 + \errmessage{No more lowercase letters in @enumerate; get a bigger + alphabet}% + \fi + \char\lccode\itemno + }% +} + +% The starting (uppercase) letter is in \thearg. +\def\uppercaseenumerate{% + \itemno = \expandafter`\thearg + \startenumeration{% + % Be sure we're not beyond the end of the alphabet. + \ifnum\itemno=0 + \errmessage{No more uppercase letters in @enumerate; get a bigger + alphabet} + \fi + \char\uccode\itemno + }% +} + +% Call \doitemize, adding a period to the first argument and supplying the +% common last two arguments. Also subtract one from the initial value in +% \itemno, since @item increments \itemno. +% +\def\startenumeration#1{% + \advance\itemno by -1 + \doitemize{#1.}\flushcr +} + +% @alphaenumerate and @capsenumerate are abbreviations for giving an arg +% to @enumerate. +% +\def\alphaenumerate{\enumerate{a}} +\def\capsenumerate{\enumerate{A}} +\def\Ealphaenumerate{\Eenumerate} +\def\Ecapsenumerate{\Eenumerate} + + +% @multitable macros +% Amy Hendrickson, 8/18/94, 3/6/96 +% +% @multitable ... @end multitable will make as many columns as desired. +% Contents of each column will wrap at width given in preamble. Width +% can be specified either with sample text given in a template line, +% or in percent of \hsize, the current width of text on page. + +% Table can continue over pages but will only break between lines. + +% To make preamble: +% +% Either define widths of columns in terms of percent of \hsize: +% @multitable @columnfractions .25 .3 .45 +% @item ... +% +% Numbers following @columnfractions are the percent of the total +% current hsize to be used for each column. You may use as many +% columns as desired. + + +% Or use a template: +% @multitable {Column 1 template} {Column 2 template} {Column 3 template} +% @item ... +% using the widest term desired in each column. + +% Each new table line starts with @item, each subsequent new column +% starts with @tab. Empty columns may be produced by supplying @tab's +% with nothing between them for as many times as empty columns are needed, +% ie, @tab@tab@tab will produce two empty columns. + +% @item, @tab do not need to be on their own lines, but it will not hurt +% if they are. + +% Sample multitable: + +% @multitable {Column 1 template} {Column 2 template} {Column 3 template} +% @item first col stuff @tab second col stuff @tab third col +% @item +% first col stuff +% @tab +% second col stuff +% @tab +% third col +% @item first col stuff @tab second col stuff +% @tab Many paragraphs of text may be used in any column. +% +% They will wrap at the width determined by the template. +% @item@tab@tab This will be in third column. +% @end multitable + +% Default dimensions may be reset by user. +% @multitableparskip is vertical space between paragraphs in table. +% @multitableparindent is paragraph indent in table. +% @multitablecolmargin is horizontal space to be left between columns. +% @multitablelinespace is space to leave between table items, baseline +% to baseline. +% 0pt means it depends on current normal line spacing. +% +\newskip\multitableparskip +\newskip\multitableparindent +\newdimen\multitablecolspace +\newskip\multitablelinespace +\multitableparskip=0pt +\multitableparindent=6pt +\multitablecolspace=12pt +\multitablelinespace=0pt + +% Macros used to set up halign preamble: +% +\let\endsetuptable\relax +\def\xendsetuptable{\endsetuptable} +\let\columnfractions\relax +\def\xcolumnfractions{\columnfractions} +\newif\ifsetpercent + +% #1 is the @columnfraction, usually a decimal number like .5, but might +% be just 1. We just use it, whatever it is. +% +\def\pickupwholefraction#1 {% + \global\advance\colcount by 1 + \expandafter\xdef\csname col\the\colcount\endcsname{#1\hsize}% + \setuptable +} + +\newcount\colcount +\def\setuptable#1{% + \def\firstarg{#1}% + \ifx\firstarg\xendsetuptable + \let\go = \relax + \else + \ifx\firstarg\xcolumnfractions + \global\setpercenttrue + \else + \ifsetpercent + \let\go\pickupwholefraction + \else + \global\advance\colcount by 1 + \setbox0=\hbox{#1\unskip\space}% Add a normal word space as a + % separator; typically that is always in the input, anyway. + \expandafter\xdef\csname col\the\colcount\endcsname{\the\wd0}% + \fi + \fi + \ifx\go\pickupwholefraction + % Put the argument back for the \pickupwholefraction call, so + % we'll always have a period there to be parsed. + \def\go{\pickupwholefraction#1}% + \else + \let\go = \setuptable + \fi% + \fi + \go +} + +% multitable-only commands. +% +% @headitem starts a heading row, which we typeset in bold. +% Assignments have to be global since we are inside the implicit group +% of an alignment entry. \everycr resets \everytab so we don't have to +% undo it ourselves. +\def\headitemfont{\b}% for people to use in the template row; not changeable +\def\headitem{% + \checkenv\multitable + \crcr + \global\everytab={\bf}% can't use \headitemfont since the parsing differs + \the\everytab % for the first item +}% +% +% A \tab used to include \hskip1sp. But then the space in a template +% line is not enough. That is bad. So let's go back to just `&' until +% we again encounter the problem the 1sp was intended to solve. +% --karl, nathan@acm.org, 20apr99. +\def\tab{\checkenv\multitable &\the\everytab}% + +% @multitable ... @end multitable definitions: +% +\newtoks\everytab % insert after every tab. +% +\envdef\multitable{% + \vskip\parskip + \startsavinginserts + % + % @item within a multitable starts a normal row. + % We use \def instead of \let so that if one of the multitable entries + % contains an @itemize, we don't choke on the \item (seen as \crcr aka + % \endtemplate) expanding \doitemize. + \def\item{\crcr}% + % + \tolerance=9500 + \hbadness=9500 + \setmultitablespacing + \parskip=\multitableparskip + \parindent=\multitableparindent + \overfullrule=0pt + \global\colcount=0 + % + \everycr = {% + \noalign{% + \global\everytab={}% + \global\colcount=0 % Reset the column counter. + % Check for saved footnotes, etc. + \checkinserts + % Keeps underfull box messages off when table breaks over pages. + %\filbreak + % Maybe so, but it also creates really weird page breaks when the + % table breaks over pages. Wouldn't \vfil be better? Wait until the + % problem manifests itself, so it can be fixed for real --karl. + }% + }% + % + \parsearg\domultitable +} +\def\domultitable#1{% + % To parse everything between @multitable and @item: + \setuptable#1 \endsetuptable + % + % This preamble sets up a generic column definition, which will + % be used as many times as user calls for columns. + % \vtop will set a single line and will also let text wrap and + % continue for many paragraphs if desired. + \halign\bgroup &% + \global\advance\colcount by 1 + \multistrut + \vtop{% + % Use the current \colcount to find the correct column width: + \hsize=\expandafter\csname col\the\colcount\endcsname + % + % In order to keep entries from bumping into each other + % we will add a \leftskip of \multitablecolspace to all columns after + % the first one. + % + % If a template has been used, we will add \multitablecolspace + % to the width of each template entry. + % + % If the user has set preamble in terms of percent of \hsize we will + % use that dimension as the width of the column, and the \leftskip + % will keep entries from bumping into each other. Table will start at + % left margin and final column will justify at right margin. + % + % Make sure we don't inherit \rightskip from the outer environment. + \rightskip=0pt + \ifnum\colcount=1 + % The first column will be indented with the surrounding text. + \advance\hsize by\leftskip + \else + \ifsetpercent \else + % If user has not set preamble in terms of percent of \hsize + % we will advance \hsize by \multitablecolspace. + \advance\hsize by \multitablecolspace + \fi + % In either case we will make \leftskip=\multitablecolspace: + \leftskip=\multitablecolspace + \fi + % Ignoring space at the beginning and end avoids an occasional spurious + % blank line, when TeX decides to break the line at the space before the + % box from the multistrut, so the strut ends up on a line by itself. + % For example: + % @multitable @columnfractions .11 .89 + % @item @code{#} + % @tab Legal holiday which is valid in major parts of the whole country. + % Is automatically provided with highlighting sequences respectively + % marking characters. + \noindent\ignorespaces##\unskip\multistrut + }\cr +} +\def\Emultitable{% + \crcr + \egroup % end the \halign + \global\setpercentfalse +} + +\def\setmultitablespacing{% + \def\multistrut{\strut}% just use the standard line spacing + % + % Compute \multitablelinespace (if not defined by user) for use in + % \multitableparskip calculation. We used define \multistrut based on + % this, but (ironically) that caused the spacing to be off. + % See bug-texinfo report from Werner Lemberg, 31 Oct 2004 12:52:20 +0100. +\ifdim\multitablelinespace=0pt +\setbox0=\vbox{X}\global\multitablelinespace=\the\baselineskip +\global\advance\multitablelinespace by-\ht0 +\fi +%% Test to see if parskip is larger than space between lines of +%% table. If not, do nothing. +%% If so, set to same dimension as multitablelinespace. +\ifdim\multitableparskip>\multitablelinespace +\global\multitableparskip=\multitablelinespace +\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller + %% than skip between lines in the table. +\fi% +\ifdim\multitableparskip=0pt +\global\multitableparskip=\multitablelinespace +\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller + %% than skip between lines in the table. +\fi} + + +\message{conditionals,} + +% @iftex, @ifnotdocbook, @ifnothtml, @ifnotinfo, @ifnotplaintext, +% @ifnotxml always succeed. They currently do nothing; we don't +% attempt to check whether the conditionals are properly nested. But we +% have to remember that they are conditionals, so that @end doesn't +% attempt to close an environment group. +% +\def\makecond#1{% + \expandafter\let\csname #1\endcsname = \relax + \expandafter\let\csname iscond.#1\endcsname = 1 +} +\makecond{iftex} +\makecond{ifnotdocbook} +\makecond{ifnothtml} +\makecond{ifnotinfo} +\makecond{ifnotplaintext} +\makecond{ifnotxml} + +% Ignore @ignore, @ifhtml, @ifinfo, and the like. +% +\def\direntry{\doignore{direntry}} +\def\documentdescription{\doignore{documentdescription}} +\def\docbook{\doignore{docbook}} +\def\html{\doignore{html}} +\def\ifdocbook{\doignore{ifdocbook}} +\def\ifhtml{\doignore{ifhtml}} +\def\ifinfo{\doignore{ifinfo}} +\def\ifnottex{\doignore{ifnottex}} +\def\ifplaintext{\doignore{ifplaintext}} +\def\ifxml{\doignore{ifxml}} +\def\ignore{\doignore{ignore}} +\def\menu{\doignore{menu}} +\def\xml{\doignore{xml}} + +% Ignore text until a line `@end #1', keeping track of nested conditionals. +% +% A count to remember the depth of nesting. +\newcount\doignorecount + +\def\doignore#1{\begingroup + % Scan in ``verbatim'' mode: + \obeylines + \catcode`\@ = \other + \catcode`\{ = \other + \catcode`\} = \other + % + % Make sure that spaces turn into tokens that match what \doignoretext wants. + \spaceisspace + % + % Count number of #1's that we've seen. + \doignorecount = 0 + % + % Swallow text until we reach the matching `@end #1'. + \dodoignore{#1}% +} + +{ \catcode`_=11 % We want to use \_STOP_ which cannot appear in texinfo source. + \obeylines % + % + \gdef\dodoignore#1{% + % #1 contains the command name as a string, e.g., `ifinfo'. + % + % Define a command to find the next `@end #1'. + \long\def\doignoretext##1^^M@end #1{% + \doignoretextyyy##1^^M@#1\_STOP_}% + % + % And this command to find another #1 command, at the beginning of a + % line. (Otherwise, we would consider a line `@c @ifset', for + % example, to count as an @ifset for nesting.) + \long\def\doignoretextyyy##1^^M@#1##2\_STOP_{\doignoreyyy{##2}\_STOP_}% + % + % And now expand that command. + \doignoretext ^^M% + }% +} + +\def\doignoreyyy#1{% + \def\temp{#1}% + \ifx\temp\empty % Nothing found. + \let\next\doignoretextzzz + \else % Found a nested condition, ... + \advance\doignorecount by 1 + \let\next\doignoretextyyy % ..., look for another. + % If we're here, #1 ends with ^^M\ifinfo (for example). + \fi + \next #1% the token \_STOP_ is present just after this macro. +} + +% We have to swallow the remaining "\_STOP_". +% +\def\doignoretextzzz#1{% + \ifnum\doignorecount = 0 % We have just found the outermost @end. + \let\next\enddoignore + \else % Still inside a nested condition. + \advance\doignorecount by -1 + \let\next\doignoretext % Look for the next @end. + \fi + \next +} + +% Finish off ignored text. +{ \obeylines% + % Ignore anything after the last `@end #1'; this matters in verbatim + % environments, where otherwise the newline after an ignored conditional + % would result in a blank line in the output. + \gdef\enddoignore#1^^M{\endgroup\ignorespaces}% +} + + +% @set VAR sets the variable VAR to an empty value. +% @set VAR REST-OF-LINE sets VAR to the value REST-OF-LINE. +% +% Since we want to separate VAR from REST-OF-LINE (which might be +% empty), we can't just use \parsearg; we have to insert a space of our +% own to delimit the rest of the line, and then take it out again if we +% didn't need it. +% We rely on the fact that \parsearg sets \catcode`\ =10. +% +\parseargdef\set{\setyyy#1 \endsetyyy} +\def\setyyy#1 #2\endsetyyy{% + {% + \makevalueexpandable + \def\temp{#2}% + \edef\next{\gdef\makecsname{SET#1}}% + \ifx\temp\empty + \next{}% + \else + \setzzz#2\endsetzzz + \fi + }% +} +% Remove the trailing space \setxxx inserted. +\def\setzzz#1 \endsetzzz{\next{#1}} + +% @clear VAR clears (i.e., unsets) the variable VAR. +% +\parseargdef\clear{% + {% + \makevalueexpandable + \global\expandafter\let\csname SET#1\endcsname=\relax + }% +} + +% @value{foo} gets the text saved in variable foo. +\def\value{\begingroup\makevalueexpandable\valuexxx} +\def\valuexxx#1{\expandablevalue{#1}\endgroup} +{ + \catcode`\- = \active \catcode`\_ = \active + % + \gdef\makevalueexpandable{% + \let\value = \expandablevalue + % We don't want these characters active, ... + \catcode`\-=\other \catcode`\_=\other + % ..., but we might end up with active ones in the argument if + % we're called from @code, as @code{@value{foo-bar_}}, though. + % So \let them to their normal equivalents. + \let-\realdash \let_\normalunderscore + } +} + +% We have this subroutine so that we can handle at least some @value's +% properly in indexes (we call \makevalueexpandable in \indexdummies). +% The command has to be fully expandable (if the variable is set), since +% the result winds up in the index file. This means that if the +% variable's value contains other Texinfo commands, it's almost certain +% it will fail (although perhaps we could fix that with sufficient work +% to do a one-level expansion on the result, instead of complete). +% +\def\expandablevalue#1{% + \expandafter\ifx\csname SET#1\endcsname\relax + {[No value for ``#1'']}% + \message{Variable `#1', used in @value, is not set.}% + \else + \csname SET#1\endcsname + \fi +} + +% @ifset VAR ... @end ifset reads the `...' iff VAR has been defined +% with @set. +% +% To get special treatment of `@end ifset,' call \makeond and the redefine. +% +\makecond{ifset} +\def\ifset{\parsearg{\doifset{\let\next=\ifsetfail}}} +\def\doifset#1#2{% + {% + \makevalueexpandable + \let\next=\empty + \expandafter\ifx\csname SET#2\endcsname\relax + #1% If not set, redefine \next. + \fi + \expandafter + }\next +} +\def\ifsetfail{\doignore{ifset}} + +% @ifclear VAR ... @end ifclear reads the `...' iff VAR has never been +% defined with @set, or has been undefined with @clear. +% +% The `\else' inside the `\doifset' parameter is a trick to reuse the +% above code: if the variable is not set, do nothing, if it is set, +% then redefine \next to \ifclearfail. +% +\makecond{ifclear} +\def\ifclear{\parsearg{\doifset{\else \let\next=\ifclearfail}}} +\def\ifclearfail{\doignore{ifclear}} + +% @dircategory CATEGORY -- specify a category of the dir file +% which this file should belong to. Ignore this in TeX. +\let\dircategory=\comment + +% @defininfoenclose. +\let\definfoenclose=\comment + + +\message{indexing,} +% Index generation facilities + +% Define \newwrite to be identical to plain tex's \newwrite +% except not \outer, so it can be used within macros and \if's. +\edef\newwrite{\makecsname{ptexnewwrite}} + +% \newindex {foo} defines an index named foo. +% It automatically defines \fooindex such that +% \fooindex ...rest of line... puts an entry in the index foo. +% It also defines \fooindfile to be the number of the output channel for +% the file that accumulates this index. The file's extension is foo. +% The name of an index should be no more than 2 characters long +% for the sake of vms. +% +\def\newindex#1{% + \iflinks + \expandafter\newwrite \csname#1indfile\endcsname + \openout \csname#1indfile\endcsname \jobname.#1 % Open the file + \fi + \expandafter\xdef\csname#1index\endcsname{% % Define @#1index + \noexpand\doindex{#1}} +} + +% @defindex foo == \newindex{foo} +% +\def\defindex{\parsearg\newindex} + +% Define @defcodeindex, like @defindex except put all entries in @code. +% +\def\defcodeindex{\parsearg\newcodeindex} +% +\def\newcodeindex#1{% + \iflinks + \expandafter\newwrite \csname#1indfile\endcsname + \openout \csname#1indfile\endcsname \jobname.#1 + \fi + \expandafter\xdef\csname#1index\endcsname{% + \noexpand\docodeindex{#1}}% +} + + +% @synindex foo bar makes index foo feed into index bar. +% Do this instead of @defindex foo if you don't want it as a separate index. +% +% @syncodeindex foo bar similar, but put all entries made for index foo +% inside @code. +% +\def\synindex#1 #2 {\dosynindex\doindex{#1}{#2}} +\def\syncodeindex#1 #2 {\dosynindex\docodeindex{#1}{#2}} + +% #1 is \doindex or \docodeindex, #2 the index getting redefined (foo), +% #3 the target index (bar). +\def\dosynindex#1#2#3{% + % Only do \closeout if we haven't already done it, else we'll end up + % closing the target index. + \expandafter \ifx\csname donesynindex#2\endcsname \relax + % The \closeout helps reduce unnecessary open files; the limit on the + % Acorn RISC OS is a mere 16 files. + \expandafter\closeout\csname#2indfile\endcsname + \expandafter\let\csname donesynindex#2\endcsname = 1 + \fi + % redefine \fooindfile: + \expandafter\let\expandafter\temp\expandafter=\csname#3indfile\endcsname + \expandafter\let\csname#2indfile\endcsname=\temp + % redefine \fooindex: + \expandafter\xdef\csname#2index\endcsname{\noexpand#1{#3}}% +} + +% Define \doindex, the driver for all \fooindex macros. +% Argument #1 is generated by the calling \fooindex macro, +% and it is "foo", the name of the index. + +% \doindex just uses \parsearg; it calls \doind for the actual work. +% This is because \doind is more useful to call from other macros. + +% There is also \dosubind {index}{topic}{subtopic} +% which makes an entry in a two-level index such as the operation index. + +\def\doindex#1{\edef\indexname{#1}\parsearg\singleindexer} +\def\singleindexer #1{\doind{\indexname}{#1}} + +% like the previous two, but they put @code around the argument. +\def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer} +\def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}} + +% Take care of Texinfo commands that can appear in an index entry. +% Since there are some commands we want to expand, and others we don't, +% we have to laboriously prevent expansion for those that we don't. +% +\def\indexdummies{% + \escapechar = `\\ % use backslash in output files. + \def\@{@}% change to @@ when we switch to @ as escape char in index files. + \def\ {\realbackslash\space }% + % + % Need these in case \tex is in effect and \{ is a \delimiter again. + % But can't use \lbracecmd and \rbracecmd because texindex assumes + % braces and backslashes are used only as delimiters. + \let\{ = \mylbrace + \let\} = \myrbrace + % + % I don't entirely understand this, but when an index entry is + % generated from a macro call, the \endinput which \scanmacro inserts + % causes processing to be prematurely terminated. This is, + % apparently, because \indexsorttmp is fully expanded, and \endinput + % is an expandable command. The redefinition below makes \endinput + % disappear altogether for that purpose -- although logging shows that + % processing continues to some further point. On the other hand, it + % seems \endinput does not hurt in the printed index arg, since that + % is still getting written without apparent harm. + % + % Sample source (mac-idx3.tex, reported by Graham Percival to + % help-texinfo, 22may06): + % @macro funindex {WORD} + % @findex xyz + % @end macro + % ... + % @funindex commtest + % + % The above is not enough to reproduce the bug, but it gives the flavor. + % + % Sample whatsit resulting: + % .@write3{\entry{xyz}{@folio }{@code {xyz@endinput }}} + % + % So: + \let\endinput = \empty + % + % Do the redefinitions. + \commondummies +} + +% For the aux and toc files, @ is the escape character. So we want to +% redefine everything using @ as the escape character (instead of +% \realbackslash, still used for index files). When everything uses @, +% this will be simpler. +% +\def\atdummies{% + \def\@{@@}% + \def\ {@ }% + \let\{ = \lbraceatcmd + \let\} = \rbraceatcmd + % + % Do the redefinitions. + \commondummies + \otherbackslash +} + +% Called from \indexdummies and \atdummies. +% +\def\commondummies{% + % + % \definedummyword defines \#1 as \string\#1\space, thus effectively + % preventing its expansion. This is used only for control% words, + % not control letters, because the \space would be incorrect for + % control characters, but is needed to separate the control word + % from whatever follows. + % + % For control letters, we have \definedummyletter, which omits the + % space. + % + % These can be used both for control words that take an argument and + % those that do not. If it is followed by {arg} in the input, then + % that will dutifully get written to the index (or wherever). + % + \def\definedummyword ##1{\def##1{\string##1\space}}% + \def\definedummyletter##1{\def##1{\string##1}}% + \let\definedummyaccent\definedummyletter + % + \commondummiesnofonts + % + \definedummyletter\_% + % + % Non-English letters. + \definedummyword\AA + \definedummyword\AE + \definedummyword\DH + \definedummyword\L + \definedummyword\O + \definedummyword\OE + \definedummyword\TH + \definedummyword\aa + \definedummyword\ae + \definedummyword\dh + \definedummyword\exclamdown + \definedummyword\l + \definedummyword\o + \definedummyword\oe + \definedummyword\ordf + \definedummyword\ordm + \definedummyword\questiondown + \definedummyword\ss + \definedummyword\th + % + % Although these internal commands shouldn't show up, sometimes they do. + \definedummyword\bf + \definedummyword\gtr + \definedummyword\hat + \definedummyword\less + \definedummyword\sf + \definedummyword\sl + \definedummyword\tclose + \definedummyword\tt + % + \definedummyword\LaTeX + \definedummyword\TeX + % + % Assorted special characters. + \definedummyword\bullet + \definedummyword\comma + \definedummyword\copyright + \definedummyword\registeredsymbol + \definedummyword\dots + \definedummyword\enddots + \definedummyword\equiv + \definedummyword\error + \definedummyword\euro + \definedummyword\guillemetleft + \definedummyword\guillemetright + \definedummyword\guilsinglleft + \definedummyword\guilsinglright + \definedummyword\expansion + \definedummyword\minus + \definedummyword\ogonek + \definedummyword\pounds + \definedummyword\point + \definedummyword\print + \definedummyword\quotedblbase + \definedummyword\quotedblleft + \definedummyword\quotedblright + \definedummyword\quoteleft + \definedummyword\quoteright + \definedummyword\quotesinglbase + \definedummyword\result + \definedummyword\textdegree + % + % We want to disable all macros so that they are not expanded by \write. + \macrolist + % + \normalturnoffactive + % + % Handle some cases of @value -- where it does not contain any + % (non-fully-expandable) commands. + \makevalueexpandable +} + +% \commondummiesnofonts: common to \commondummies and \indexnofonts. +% +\def\commondummiesnofonts{% + % Control letters and accents. + \definedummyletter\!% + \definedummyaccent\"% + \definedummyaccent\'% + \definedummyletter\*% + \definedummyaccent\,% + \definedummyletter\.% + \definedummyletter\/% + \definedummyletter\:% + \definedummyaccent\=% + \definedummyletter\?% + \definedummyaccent\^% + \definedummyaccent\`% + \definedummyaccent\~% + \definedummyword\u + \definedummyword\v + \definedummyword\H + \definedummyword\dotaccent + \definedummyword\ogonek + \definedummyword\ringaccent + \definedummyword\tieaccent + \definedummyword\ubaraccent + \definedummyword\udotaccent + \definedummyword\dotless + % + % Texinfo font commands. + \definedummyword\b + \definedummyword\i + \definedummyword\r + \definedummyword\sc + \definedummyword\t + % + % Commands that take arguments. + \definedummyword\acronym + \definedummyword\cite + \definedummyword\code + \definedummyword\command + \definedummyword\dfn + \definedummyword\email + \definedummyword\emph + \definedummyword\env + \definedummyword\file + \definedummyword\kbd + \definedummyword\key + \definedummyword\math + \definedummyword\option + \definedummyword\pxref + \definedummyword\ref + \definedummyword\samp + \definedummyword\strong + \definedummyword\tie + \definedummyword\uref + \definedummyword\url + \definedummyword\var + \definedummyword\verb + \definedummyword\w + \definedummyword\xref +} + +% \indexnofonts is used when outputting the strings to sort the index +% by, and when constructing control sequence names. It eliminates all +% control sequences and just writes whatever the best ASCII sort string +% would be for a given command (usually its argument). +% +\def\indexnofonts{% + % Accent commands should become @asis. + \def\definedummyaccent##1{\let##1\asis}% + % We can just ignore other control letters. + \def\definedummyletter##1{\let##1\empty}% + % Hopefully, all control words can become @asis. + \let\definedummyword\definedummyaccent + % + \commondummiesnofonts + % + % Don't no-op \tt, since it isn't a user-level command + % and is used in the definitions of the active chars like <, >, |, etc. + % Likewise with the other plain tex font commands. + %\let\tt=\asis + % + \def\ { }% + \def\@{@}% + % how to handle braces? + \def\_{\normalunderscore}% + % + % Non-English letters. + \def\AA{AA}% + \def\AE{AE}% + \def\DH{DZZ}% + \def\L{L}% + \def\OE{OE}% + \def\O{O}% + \def\TH{ZZZ}% + \def\aa{aa}% + \def\ae{ae}% + \def\dh{dzz}% + \def\exclamdown{!}% + \def\l{l}% + \def\oe{oe}% + \def\ordf{a}% + \def\ordm{o}% + \def\o{o}% + \def\questiondown{?}% + \def\ss{ss}% + \def\th{zzz}% + % + \def\LaTeX{LaTeX}% + \def\TeX{TeX}% + % + % Assorted special characters. + % (The following {} will end up in the sort string, but that's ok.) + \def\bullet{bullet}% + \def\comma{,}% + \def\copyright{copyright}% + \def\dots{...}% + \def\enddots{...}% + \def\equiv{==}% + \def\error{error}% + \def\euro{euro}% + \def\expansion{==>}% + \def\guillemetleft{<<}% + \def\guillemetright{>>}% + \def\guilsinglleft{<}% + \def\guilsinglright{>}% + \def\minus{-}% + \def\point{.}% + \def\pounds{pounds}% + \def\print{-|}% + \def\quotedblbase{"}% + \def\quotedblleft{"}% + \def\quotedblright{"}% + \def\quoteleft{`}% + \def\quoteright{'}% + \def\quotesinglbase{,}% + \def\registeredsymbol{R}% + \def\result{=>}% + \def\textdegree{o}% + % + % We need to get rid of all macros, leaving only the arguments (if present). + % Of course this is not nearly correct, but it is the best we can do for now. + % makeinfo does not expand macros in the argument to @deffn, which ends up + % writing an index entry, and texindex isn't prepared for an index sort entry + % that starts with \. + % + % Since macro invocations are followed by braces, we can just redefine them + % to take a single TeX argument. The case of a macro invocation that + % goes to end-of-line is not handled. + % + \macrolist +} + +\let\indexbackslash=0 %overridden during \printindex. +\let\SETmarginindex=\relax % put index entries in margin (undocumented)? + +% Most index entries go through here, but \dosubind is the general case. +% #1 is the index name, #2 is the entry text. +\def\doind#1#2{\dosubind{#1}{#2}{}} + +% Workhorse for all \fooindexes. +% #1 is name of index, #2 is stuff to put there, #3 is subentry -- +% empty if called from \doind, as we usually are (the main exception +% is with most defuns, which call us directly). +% +\def\dosubind#1#2#3{% + \iflinks + {% + % Store the main index entry text (including the third arg). + \toks0 = {#2}% + % If third arg is present, precede it with a space. + \def\thirdarg{#3}% + \ifx\thirdarg\empty \else + \toks0 = \expandafter{\the\toks0 \space #3}% + \fi + % + \edef\writeto{\csname#1indfile\endcsname}% + % + \safewhatsit\dosubindwrite + }% + \fi +} + +% Write the entry in \toks0 to the index file: +% +\def\dosubindwrite{% + % Put the index entry in the margin if desired. + \ifx\SETmarginindex\relax\else + \insert\margin{\hbox{\vrule height8pt depth3pt width0pt \the\toks0}}% + \fi + % + % Remember, we are within a group. + \indexdummies % Must do this here, since \bf, etc expand at this stage + \def\backslashcurfont{\indexbackslash}% \indexbackslash isn't defined now + % so it will be output as is; and it will print as backslash. + % + % Process the index entry with all font commands turned off, to + % get the string to sort by. + {\indexnofonts + \edef\temp{\the\toks0}% need full expansion + \xdef\indexsorttmp{\temp}% + }% + % + % Set up the complete index entry, with both the sort key and + % the original text, including any font commands. We write + % three arguments to \entry to the .?? file (four in the + % subentry case), texindex reduces to two when writing the .??s + % sorted result. + \edef\temp{% + \write\writeto{% + \string\entry{\indexsorttmp}{\noexpand\folio}{\the\toks0}}% + }% + \temp +} + +% Take care of unwanted page breaks/skips around a whatsit: +% +% If a skip is the last thing on the list now, preserve it +% by backing up by \lastskip, doing the \write, then inserting +% the skip again. Otherwise, the whatsit generated by the +% \write or \pdfdest will make \lastskip zero. The result is that +% sequences like this: +% @end defun +% @tindex whatever +% @defun ... +% will have extra space inserted, because the \medbreak in the +% start of the @defun won't see the skip inserted by the @end of +% the previous defun. +% +% But don't do any of this if we're not in vertical mode. We +% don't want to do a \vskip and prematurely end a paragraph. +% +% Avoid page breaks due to these extra skips, too. +% +% But wait, there is a catch there: +% We'll have to check whether \lastskip is zero skip. \ifdim is not +% sufficient for this purpose, as it ignores stretch and shrink parts +% of the skip. The only way seems to be to check the textual +% representation of the skip. +% +% The following is almost like \def\zeroskipmacro{0.0pt} except that +% the ``p'' and ``t'' characters have catcode \other, not 11 (letter). +% +\edef\zeroskipmacro{\expandafter\the\csname z@skip\endcsname} +% +\newskip\whatsitskip +\newcount\whatsitpenalty +% +% ..., ready, GO: +% +\def\safewhatsit#1{% +\ifhmode + #1% +\else + % \lastskip and \lastpenalty cannot both be nonzero simultaneously. + \whatsitskip = \lastskip + \edef\lastskipmacro{\the\lastskip}% + \whatsitpenalty = \lastpenalty + % + % If \lastskip is nonzero, that means the last item was a + % skip. And since a skip is discardable, that means this + % -\whatsitskip glue we're inserting is preceded by a + % non-discardable item, therefore it is not a potential + % breakpoint, therefore no \nobreak needed. + \ifx\lastskipmacro\zeroskipmacro + \else + \vskip-\whatsitskip + \fi + % + #1% + % + \ifx\lastskipmacro\zeroskipmacro + % If \lastskip was zero, perhaps the last item was a penalty, and + % perhaps it was >=10000, e.g., a \nobreak. In that case, we want + % to re-insert the same penalty (values >10000 are used for various + % signals); since we just inserted a non-discardable item, any + % following glue (such as a \parskip) would be a breakpoint. For example: + % + % @deffn deffn-whatever + % @vindex index-whatever + % Description. + % would allow a break between the index-whatever whatsit + % and the "Description." paragraph. + \ifnum\whatsitpenalty>9999 \penalty\whatsitpenalty \fi + \else + % On the other hand, if we had a nonzero \lastskip, + % this make-up glue would be preceded by a non-discardable item + % (the whatsit from the \write), so we must insert a \nobreak. + \nobreak\vskip\whatsitskip + \fi +\fi +} + +% The index entry written in the file actually looks like +% \entry {sortstring}{page}{topic} +% or +% \entry {sortstring}{page}{topic}{subtopic} +% The texindex program reads in these files and writes files +% containing these kinds of lines: +% \initial {c} +% before the first topic whose initial is c +% \entry {topic}{pagelist} +% for a topic that is used without subtopics +% \primary {topic} +% for the beginning of a topic that is used with subtopics +% \secondary {subtopic}{pagelist} +% for each subtopic. + +% Define the user-accessible indexing commands +% @findex, @vindex, @kindex, @cindex. + +\def\findex {\fnindex} +\def\kindex {\kyindex} +\def\cindex {\cpindex} +\def\vindex {\vrindex} +\def\tindex {\tpindex} +\def\pindex {\pgindex} + +\def\cindexsub {\begingroup\obeylines\cindexsub} +{\obeylines % +\gdef\cindexsub "#1" #2^^M{\endgroup % +\dosubind{cp}{#2}{#1}}} + +% Define the macros used in formatting output of the sorted index material. + +% @printindex causes a particular index (the ??s file) to get printed. +% It does not print any chapter heading (usually an @unnumbered). +% +\parseargdef\printindex{\begingroup + \dobreak \chapheadingskip{10000}% + % + \smallfonts \rm + \tolerance = 9500 + \plainfrenchspacing + \everypar = {}% don't want the \kern\-parindent from indentation suppression. + % + % See if the index file exists and is nonempty. + % Change catcode of @ here so that if the index file contains + % \initial {@} + % as its first line, TeX doesn't complain about mismatched braces + % (because it thinks @} is a control sequence). + \catcode`\@ = 11 + \openin 1 \jobname.#1s + \ifeof 1 + % \enddoublecolumns gets confused if there is no text in the index, + % and it loses the chapter title and the aux file entries for the + % index. The easiest way to prevent this problem is to make sure + % there is some text. + \putwordIndexNonexistent + \else + % + % If the index file exists but is empty, then \openin leaves \ifeof + % false. We have to make TeX try to read something from the file, so + % it can discover if there is anything in it. + \read 1 to \temp + \ifeof 1 + \putwordIndexIsEmpty + \else + % Index files are almost Texinfo source, but we use \ as the escape + % character. It would be better to use @, but that's too big a change + % to make right now. + \def\indexbackslash{\backslashcurfont}% + \catcode`\\ = 0 + \escapechar = `\\ + \begindoublecolumns + \input \jobname.#1s + \enddoublecolumns + \fi + \fi + \closein 1 +\endgroup} + +% These macros are used by the sorted index file itself. +% Change them to control the appearance of the index. + +\def\initial#1{{% + % Some minor font changes for the special characters. + \let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt + % + % Remove any glue we may have, we'll be inserting our own. + \removelastskip + % + % We like breaks before the index initials, so insert a bonus. + \nobreak + \vskip 0pt plus 3\baselineskip + \penalty 0 + \vskip 0pt plus -3\baselineskip + % + % Typeset the initial. Making this add up to a whole number of + % baselineskips increases the chance of the dots lining up from column + % to column. It still won't often be perfect, because of the stretch + % we need before each entry, but it's better. + % + % No shrink because it confuses \balancecolumns. + \vskip 1.67\baselineskip plus .5\baselineskip + \leftline{\secbf #1}% + % Do our best not to break after the initial. + \nobreak + \vskip .33\baselineskip plus .1\baselineskip +}} + +% \entry typesets a paragraph consisting of the text (#1), dot leaders, and +% then page number (#2) flushed to the right margin. It is used for index +% and table of contents entries. The paragraph is indented by \leftskip. +% +% A straightforward implementation would start like this: +% \def\entry#1#2{... +% But this freezes the catcodes in the argument, and can cause problems to +% @code, which sets - active. This problem was fixed by a kludge--- +% ``-'' was active throughout whole index, but this isn't really right. +% +% The right solution is to prevent \entry from swallowing the whole text. +% --kasal, 21nov03 +\def\entry{% + \begingroup + % + % Start a new paragraph if necessary, so our assignments below can't + % affect previous text. + \par + % + % Do not fill out the last line with white space. + \parfillskip = 0in + % + % No extra space above this paragraph. + \parskip = 0in + % + % Do not prefer a separate line ending with a hyphen to fewer lines. + \finalhyphendemerits = 0 + % + % \hangindent is only relevant when the entry text and page number + % don't both fit on one line. In that case, bob suggests starting the + % dots pretty far over on the line. Unfortunately, a large + % indentation looks wrong when the entry text itself is broken across + % lines. So we use a small indentation and put up with long leaders. + % + % \hangafter is reset to 1 (which is the value we want) at the start + % of each paragraph, so we need not do anything with that. + \hangindent = 2em + % + % When the entry text needs to be broken, just fill out the first line + % with blank space. + \rightskip = 0pt plus1fil + % + % A bit of stretch before each entry for the benefit of balancing + % columns. + \vskip 0pt plus1pt + % + % Swallow the left brace of the text (first parameter): + \afterassignment\doentry + \let\temp = +} +\def\doentry{% + \bgroup % Instead of the swallowed brace. + \noindent + \aftergroup\finishentry + % And now comes the text of the entry. +} +\def\finishentry#1{% + % #1 is the page number. + % + % The following is kludged to not output a line of dots in the index if + % there are no page numbers. The next person who breaks this will be + % cursed by a Unix daemon. + \setbox\boxA = \hbox{#1}% + \ifdim\wd\boxA = 0pt + \ % + \else + % + % If we must, put the page number on a line of its own, and fill out + % this line with blank space. (The \hfil is overwhelmed with the + % fill leaders glue in \indexdotfill if the page number does fit.) + \hfil\penalty50 + \null\nobreak\indexdotfill % Have leaders before the page number. + % + % The `\ ' here is removed by the implicit \unskip that TeX does as + % part of (the primitive) \par. Without it, a spurious underfull + % \hbox ensues. + \ifpdf + \pdfgettoks#1.% + \ \the\toksA + \else + \ #1% + \fi + \fi + \par + \endgroup +} + +% Like plain.tex's \dotfill, except uses up at least 1 em. +\def\indexdotfill{\cleaders + \hbox{$\mathsurround=0pt \mkern1.5mu.\mkern1.5mu$}\hskip 1em plus 1fill} + +\def\primary #1{\line{#1\hfil}} + +\newskip\secondaryindent \secondaryindent=0.5cm +\def\secondary#1#2{{% + \parfillskip=0in + \parskip=0in + \hangindent=1in + \hangafter=1 + \noindent\hskip\secondaryindent\hbox{#1}\indexdotfill + \ifpdf + \pdfgettoks#2.\ \the\toksA % The page number ends the paragraph. + \else + #2 + \fi + \par +}} + +% Define two-column mode, which we use to typeset indexes. +% Adapted from the TeXbook, page 416, which is to say, +% the manmac.tex format used to print the TeXbook itself. +\catcode`\@=11 + +\newbox\partialpage +\newdimen\doublecolumnhsize + +\def\begindoublecolumns{\begingroup % ended by \enddoublecolumns + % Grab any single-column material above us. + \output = {% + % + % Here is a possibility not foreseen in manmac: if we accumulate a + % whole lot of material, we might end up calling this \output + % routine twice in a row (see the doublecol-lose test, which is + % essentially a couple of indexes with @setchapternewpage off). In + % that case we just ship out what is in \partialpage with the normal + % output routine. Generally, \partialpage will be empty when this + % runs and this will be a no-op. See the indexspread.tex test case. + \ifvoid\partialpage \else + \onepageout{\pagecontents\partialpage}% + \fi + % + \global\setbox\partialpage = \vbox{% + % Unvbox the main output page. + \unvbox\PAGE + \kern-\topskip \kern\baselineskip + }% + }% + \eject % run that output routine to set \partialpage + % + % Use the double-column output routine for subsequent pages. + \output = {\doublecolumnout}% + % + % Change the page size parameters. We could do this once outside this + % routine, in each of @smallbook, @afourpaper, and the default 8.5x11 + % format, but then we repeat the same computation. Repeating a couple + % of assignments once per index is clearly meaningless for the + % execution time, so we may as well do it in one place. + % + % First we halve the line length, less a little for the gutter between + % the columns. We compute the gutter based on the line length, so it + % changes automatically with the paper format. The magic constant + % below is chosen so that the gutter has the same value (well, +-<1pt) + % as it did when we hard-coded it. + % + % We put the result in a separate register, \doublecolumhsize, so we + % can restore it in \pagesofar, after \hsize itself has (potentially) + % been clobbered. + % + \doublecolumnhsize = \hsize + \advance\doublecolumnhsize by -.04154\hsize + \divide\doublecolumnhsize by 2 + \hsize = \doublecolumnhsize + % + % Double the \vsize as well. (We don't need a separate register here, + % since nobody clobbers \vsize.) + \vsize = 2\vsize +} + +% The double-column output routine for all double-column pages except +% the last. +% +\def\doublecolumnout{% + \splittopskip=\topskip \splitmaxdepth=\maxdepth + % Get the available space for the double columns -- the normal + % (undoubled) page height minus any material left over from the + % previous page. + \dimen@ = \vsize + \divide\dimen@ by 2 + \advance\dimen@ by -\ht\partialpage + % + % box0 will be the left-hand column, box2 the right. + \setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@ + \onepageout\pagesofar + \unvbox255 + \penalty\outputpenalty +} +% +% Re-output the contents of the output page -- any previous material, +% followed by the two boxes we just split, in box0 and box2. +\def\pagesofar{% + \unvbox\partialpage + % + \hsize = \doublecolumnhsize + \wd0=\hsize \wd2=\hsize + \hbox to\pagewidth{\box0\hfil\box2}% +} +% +% All done with double columns. +\def\enddoublecolumns{% + % The following penalty ensures that the page builder is exercised + % _before_ we change the output routine. This is necessary in the + % following situation: + % + % The last section of the index consists only of a single entry. + % Before this section, \pagetotal is less than \pagegoal, so no + % break occurs before the last section starts. However, the last + % section, consisting of \initial and the single \entry, does not + % fit on the page and has to be broken off. Without the following + % penalty the page builder will not be exercised until \eject + % below, and by that time we'll already have changed the output + % routine to the \balancecolumns version, so the next-to-last + % double-column page will be processed with \balancecolumns, which + % is wrong: The two columns will go to the main vertical list, with + % the broken-off section in the recent contributions. As soon as + % the output routine finishes, TeX starts reconsidering the page + % break. The two columns and the broken-off section both fit on the + % page, because the two columns now take up only half of the page + % goal. When TeX sees \eject from below which follows the final + % section, it invokes the new output routine that we've set after + % \balancecolumns below; \onepageout will try to fit the two columns + % and the final section into the vbox of \pageheight (see + % \pagebody), causing an overfull box. + % + % Note that glue won't work here, because glue does not exercise the + % page builder, unlike penalties (see The TeXbook, pp. 280-281). + \penalty0 + % + \output = {% + % Split the last of the double-column material. Leave it on the + % current page, no automatic page break. + \balancecolumns + % + % If we end up splitting too much material for the current page, + % though, there will be another page break right after this \output + % invocation ends. Having called \balancecolumns once, we do not + % want to call it again. Therefore, reset \output to its normal + % definition right away. (We hope \balancecolumns will never be + % called on to balance too much material, but if it is, this makes + % the output somewhat more palatable.) + \global\output = {\onepageout{\pagecontents\PAGE}}% + }% + \eject + \endgroup % started in \begindoublecolumns + % + % \pagegoal was set to the doubled \vsize above, since we restarted + % the current page. We're now back to normal single-column + % typesetting, so reset \pagegoal to the normal \vsize (after the + % \endgroup where \vsize got restored). + \pagegoal = \vsize +} +% +% Called at the end of the double column material. +\def\balancecolumns{% + \setbox0 = \vbox{\unvbox255}% like \box255 but more efficient, see p.120. + \dimen@ = \ht0 + \advance\dimen@ by \topskip + \advance\dimen@ by-\baselineskip + \divide\dimen@ by 2 % target to split to + %debug\message{final 2-column material height=\the\ht0, target=\the\dimen@.}% + \splittopskip = \topskip + % Loop until we get a decent breakpoint. + {% + \vbadness = 10000 + \loop + \global\setbox3 = \copy0 + \global\setbox1 = \vsplit3 to \dimen@ + \ifdim\ht3>\dimen@ + \global\advance\dimen@ by 1pt + \repeat + }% + %debug\message{split to \the\dimen@, column heights: \the\ht1, \the\ht3.}% + \setbox0=\vbox to\dimen@{\unvbox1}% + \setbox2=\vbox to\dimen@{\unvbox3}% + % + \pagesofar +} +\catcode`\@ = \other + + +\message{sectioning,} +% Chapters, sections, etc. + +% \unnumberedno is an oxymoron, of course. But we count the unnumbered +% sections so that we can refer to them unambiguously in the pdf +% outlines by their "section number". We avoid collisions with chapter +% numbers by starting them at 10000. (If a document ever has 10000 +% chapters, we're in trouble anyway, I'm sure.) +\newcount\unnumberedno \unnumberedno = 10000 +\newcount\chapno +\newcount\secno \secno=0 +\newcount\subsecno \subsecno=0 +\newcount\subsubsecno \subsubsecno=0 + +% This counter is funny since it counts through charcodes of letters A, B, ... +\newcount\appendixno \appendixno = `\@ +% +% \def\appendixletter{\char\the\appendixno} +% We do the following ugly conditional instead of the above simple +% construct for the sake of pdftex, which needs the actual +% letter in the expansion, not just typeset. +% +\def\appendixletter{% + \ifnum\appendixno=`A A% + \else\ifnum\appendixno=`B B% + \else\ifnum\appendixno=`C C% + \else\ifnum\appendixno=`D D% + \else\ifnum\appendixno=`E E% + \else\ifnum\appendixno=`F F% + \else\ifnum\appendixno=`G G% + \else\ifnum\appendixno=`H H% + \else\ifnum\appendixno=`I I% + \else\ifnum\appendixno=`J J% + \else\ifnum\appendixno=`K K% + \else\ifnum\appendixno=`L L% + \else\ifnum\appendixno=`M M% + \else\ifnum\appendixno=`N N% + \else\ifnum\appendixno=`O O% + \else\ifnum\appendixno=`P P% + \else\ifnum\appendixno=`Q Q% + \else\ifnum\appendixno=`R R% + \else\ifnum\appendixno=`S S% + \else\ifnum\appendixno=`T T% + \else\ifnum\appendixno=`U U% + \else\ifnum\appendixno=`V V% + \else\ifnum\appendixno=`W W% + \else\ifnum\appendixno=`X X% + \else\ifnum\appendixno=`Y Y% + \else\ifnum\appendixno=`Z Z% + % The \the is necessary, despite appearances, because \appendixletter is + % expanded while writing the .toc file. \char\appendixno is not + % expandable, thus it is written literally, thus all appendixes come out + % with the same letter (or @) in the toc without it. + \else\char\the\appendixno + \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi + \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi} + +% Each @chapter defines these (using marks) as the number+name, number +% and name of the chapter. Page headings and footings can use +% these. @section does likewise. +\def\thischapter{} +\def\thischapternum{} +\def\thischaptername{} +\def\thissection{} +\def\thissectionnum{} +\def\thissectionname{} + +\newcount\absseclevel % used to calculate proper heading level +\newcount\secbase\secbase=0 % @raisesections/@lowersections modify this count + +% @raisesections: treat @section as chapter, @subsection as section, etc. +\def\raisesections{\global\advance\secbase by -1} +\let\up=\raisesections % original BFox name + +% @lowersections: treat @chapter as section, @section as subsection, etc. +\def\lowersections{\global\advance\secbase by 1} +\let\down=\lowersections % original BFox name + +% we only have subsub. +\chardef\maxseclevel = 3 +% +% A numbered section within an unnumbered changes to unnumbered too. +% To achive this, remember the "biggest" unnum. sec. we are currently in: +\chardef\unmlevel = \maxseclevel +% +% Trace whether the current chapter is an appendix or not: +% \chapheadtype is "N" or "A", unnumbered chapters are ignored. +\def\chapheadtype{N} + +% Choose a heading macro +% #1 is heading type +% #2 is heading level +% #3 is text for heading +\def\genhead#1#2#3{% + % Compute the abs. sec. level: + \absseclevel=#2 + \advance\absseclevel by \secbase + % Make sure \absseclevel doesn't fall outside the range: + \ifnum \absseclevel < 0 + \absseclevel = 0 + \else + \ifnum \absseclevel > 3 + \absseclevel = 3 + \fi + \fi + % The heading type: + \def\headtype{#1}% + \if \headtype U% + \ifnum \absseclevel < \unmlevel + \chardef\unmlevel = \absseclevel + \fi + \else + % Check for appendix sections: + \ifnum \absseclevel = 0 + \edef\chapheadtype{\headtype}% + \else + \if \headtype A\if \chapheadtype N% + \errmessage{@appendix... within a non-appendix chapter}% + \fi\fi + \fi + % Check for numbered within unnumbered: + \ifnum \absseclevel > \unmlevel + \def\headtype{U}% + \else + \chardef\unmlevel = 3 + \fi + \fi + % Now print the heading: + \if \headtype U% + \ifcase\absseclevel + \unnumberedzzz{#3}% + \or \unnumberedseczzz{#3}% + \or \unnumberedsubseczzz{#3}% + \or \unnumberedsubsubseczzz{#3}% + \fi + \else + \if \headtype A% + \ifcase\absseclevel + \appendixzzz{#3}% + \or \appendixsectionzzz{#3}% + \or \appendixsubseczzz{#3}% + \or \appendixsubsubseczzz{#3}% + \fi + \else + \ifcase\absseclevel + \chapterzzz{#3}% + \or \seczzz{#3}% + \or \numberedsubseczzz{#3}% + \or \numberedsubsubseczzz{#3}% + \fi + \fi + \fi + \suppressfirstparagraphindent +} + +% an interface: +\def\numhead{\genhead N} +\def\apphead{\genhead A} +\def\unnmhead{\genhead U} + +% @chapter, @appendix, @unnumbered. Increment top-level counter, reset +% all lower-level sectioning counters to zero. +% +% Also set \chaplevelprefix, which we prepend to @float sequence numbers +% (e.g., figures), q.v. By default (before any chapter), that is empty. +\let\chaplevelprefix = \empty +% +\outer\parseargdef\chapter{\numhead0{#1}} % normally numhead0 calls chapterzzz +\def\chapterzzz#1{% + % section resetting is \global in case the chapter is in a group, such + % as an @include file. + \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 + \global\advance\chapno by 1 + % + % Used for \float. + \gdef\chaplevelprefix{\the\chapno.}% + \resetallfloatnos + % + % \putwordChapter can contain complex things in translations. + \toks0=\expandafter{\putwordChapter}% + \message{\the\toks0 \space \the\chapno}% + % + % Write the actual heading. + \chapmacro{#1}{Ynumbered}{\the\chapno}% + % + % So @section and the like are numbered underneath this chapter. + \global\let\section = \numberedsec + \global\let\subsection = \numberedsubsec + \global\let\subsubsection = \numberedsubsubsec +} + +\outer\parseargdef\appendix{\apphead0{#1}} % normally calls appendixzzz +% +\def\appendixzzz#1{% + \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 + \global\advance\appendixno by 1 + \gdef\chaplevelprefix{\appendixletter.}% + \resetallfloatnos + % + % \putwordAppendix can contain complex things in translations. + \toks0=\expandafter{\putwordAppendix}% + \message{\the\toks0 \space \appendixletter}% + % + \chapmacro{#1}{Yappendix}{\appendixletter}% + % + \global\let\section = \appendixsec + \global\let\subsection = \appendixsubsec + \global\let\subsubsection = \appendixsubsubsec +} + +\outer\parseargdef\unnumbered{\unnmhead0{#1}} % normally unnmhead0 calls unnumberedzzz +\def\unnumberedzzz#1{% + \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 + \global\advance\unnumberedno by 1 + % + % Since an unnumbered has no number, no prefix for figures. + \global\let\chaplevelprefix = \empty + \resetallfloatnos + % + % This used to be simply \message{#1}, but TeX fully expands the + % argument to \message. Therefore, if #1 contained @-commands, TeX + % expanded them. For example, in `@unnumbered The @cite{Book}', TeX + % expanded @cite (which turns out to cause errors because \cite is meant + % to be executed, not expanded). + % + % Anyway, we don't want the fully-expanded definition of @cite to appear + % as a result of the \message, we just want `@cite' itself. We use + % \the to achieve this: TeX expands \the only once, + % simply yielding the contents of . (We also do this for + % the toc entries.) + \toks0 = {#1}% + \message{(\the\toks0)}% + % + \chapmacro{#1}{Ynothing}{\the\unnumberedno}% + % + \global\let\section = \unnumberedsec + \global\let\subsection = \unnumberedsubsec + \global\let\subsubsection = \unnumberedsubsubsec +} + +% @centerchap is like @unnumbered, but the heading is centered. +\outer\parseargdef\centerchap{% + % Well, we could do the following in a group, but that would break + % an assumption that \chapmacro is called at the outermost level. + % Thus we are safer this way: --kasal, 24feb04 + \let\centerparametersmaybe = \centerparameters + \unnmhead0{#1}% + \let\centerparametersmaybe = \relax +} + +% @top is like @unnumbered. +\let\top\unnumbered + +% Sections. +\outer\parseargdef\numberedsec{\numhead1{#1}} % normally calls seczzz +\def\seczzz#1{% + \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 + \sectionheading{#1}{sec}{Ynumbered}{\the\chapno.\the\secno}% +} + +\outer\parseargdef\appendixsection{\apphead1{#1}} % normally calls appendixsectionzzz +\def\appendixsectionzzz#1{% + \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 + \sectionheading{#1}{sec}{Yappendix}{\appendixletter.\the\secno}% +} +\let\appendixsec\appendixsection + +\outer\parseargdef\unnumberedsec{\unnmhead1{#1}} % normally calls unnumberedseczzz +\def\unnumberedseczzz#1{% + \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 + \sectionheading{#1}{sec}{Ynothing}{\the\unnumberedno.\the\secno}% +} + +% Subsections. +\outer\parseargdef\numberedsubsec{\numhead2{#1}} % normally calls numberedsubseczzz +\def\numberedsubseczzz#1{% + \global\subsubsecno=0 \global\advance\subsecno by 1 + \sectionheading{#1}{subsec}{Ynumbered}{\the\chapno.\the\secno.\the\subsecno}% +} + +\outer\parseargdef\appendixsubsec{\apphead2{#1}} % normally calls appendixsubseczzz +\def\appendixsubseczzz#1{% + \global\subsubsecno=0 \global\advance\subsecno by 1 + \sectionheading{#1}{subsec}{Yappendix}% + {\appendixletter.\the\secno.\the\subsecno}% +} + +\outer\parseargdef\unnumberedsubsec{\unnmhead2{#1}} %normally calls unnumberedsubseczzz +\def\unnumberedsubseczzz#1{% + \global\subsubsecno=0 \global\advance\subsecno by 1 + \sectionheading{#1}{subsec}{Ynothing}% + {\the\unnumberedno.\the\secno.\the\subsecno}% +} + +% Subsubsections. +\outer\parseargdef\numberedsubsubsec{\numhead3{#1}} % normally numberedsubsubseczzz +\def\numberedsubsubseczzz#1{% + \global\advance\subsubsecno by 1 + \sectionheading{#1}{subsubsec}{Ynumbered}% + {\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno}% +} + +\outer\parseargdef\appendixsubsubsec{\apphead3{#1}} % normally appendixsubsubseczzz +\def\appendixsubsubseczzz#1{% + \global\advance\subsubsecno by 1 + \sectionheading{#1}{subsubsec}{Yappendix}% + {\appendixletter.\the\secno.\the\subsecno.\the\subsubsecno}% +} + +\outer\parseargdef\unnumberedsubsubsec{\unnmhead3{#1}} %normally unnumberedsubsubseczzz +\def\unnumberedsubsubseczzz#1{% + \global\advance\subsubsecno by 1 + \sectionheading{#1}{subsubsec}{Ynothing}% + {\the\unnumberedno.\the\secno.\the\subsecno.\the\subsubsecno}% +} + +% These macros control what the section commands do, according +% to what kind of chapter we are in (ordinary, appendix, or unnumbered). +% Define them by default for a numbered chapter. +\let\section = \numberedsec +\let\subsection = \numberedsubsec +\let\subsubsection = \numberedsubsubsec + +% Define @majorheading, @heading and @subheading + +% NOTE on use of \vbox for chapter headings, section headings, and such: +% 1) We use \vbox rather than the earlier \line to permit +% overlong headings to fold. +% 2) \hyphenpenalty is set to 10000 because hyphenation in a +% heading is obnoxious; this forbids it. +% 3) Likewise, headings look best if no \parindent is used, and +% if justification is not attempted. Hence \raggedright. + +\def\majorheading{% + {\advance\chapheadingskip by 10pt \chapbreak }% + \parsearg\chapheadingzzz +} + +\def\chapheading{\chapbreak \parsearg\chapheadingzzz} +\def\chapheadingzzz#1{% + {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 + \parindent=0pt\ptexraggedright + \rmisbold #1\hfill}}% + \bigskip \par\penalty 200\relax + \suppressfirstparagraphindent +} + +% @heading, @subheading, @subsubheading. +\parseargdef\heading{\sectionheading{#1}{sec}{Yomitfromtoc}{} + \suppressfirstparagraphindent} +\parseargdef\subheading{\sectionheading{#1}{subsec}{Yomitfromtoc}{} + \suppressfirstparagraphindent} +\parseargdef\subsubheading{\sectionheading{#1}{subsubsec}{Yomitfromtoc}{} + \suppressfirstparagraphindent} + +% These macros generate a chapter, section, etc. heading only +% (including whitespace, linebreaking, etc. around it), +% given all the information in convenient, parsed form. + +%%% Args are the skip and penalty (usually negative) +\def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi} + +%%% Define plain chapter starts, and page on/off switching for it +% Parameter controlling skip before chapter headings (if needed) + +\newskip\chapheadingskip + +\def\chapbreak{\dobreak \chapheadingskip {-4000}} +\def\chappager{\par\vfill\supereject} +% Because \domark is called before \chapoddpage, the filler page will +% get the headings for the next chapter, which is wrong. But we don't +% care -- we just disable all headings on the filler page. +\def\chapoddpage{% + \chappager + \ifodd\pageno \else + \begingroup + \evenheadline={\hfil}\evenfootline={\hfil}% + \oddheadline={\hfil}\oddfootline={\hfil}% + \hbox to 0pt{}% + \chappager + \endgroup + \fi +} + +\def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname} + +\def\CHAPPAGoff{% +\global\let\contentsalignmacro = \chappager +\global\let\pchapsepmacro=\chapbreak +\global\let\pagealignmacro=\chappager} + +\def\CHAPPAGon{% +\global\let\contentsalignmacro = \chappager +\global\let\pchapsepmacro=\chappager +\global\let\pagealignmacro=\chappager +\global\def\HEADINGSon{\HEADINGSsingle}} + +\def\CHAPPAGodd{% +\global\let\contentsalignmacro = \chapoddpage +\global\let\pchapsepmacro=\chapoddpage +\global\let\pagealignmacro=\chapoddpage +\global\def\HEADINGSon{\HEADINGSdouble}} + +\CHAPPAGon + +% Chapter opening. +% +% #1 is the text, #2 is the section type (Ynumbered, Ynothing, +% Yappendix, Yomitfromtoc), #3 the chapter number. +% +% To test against our argument. +\def\Ynothingkeyword{Ynothing} +\def\Yomitfromtockeyword{Yomitfromtoc} +\def\Yappendixkeyword{Yappendix} +% +\def\chapmacro#1#2#3{% + % Insert the first mark before the heading break (see notes for \domark). + \let\prevchapterdefs=\lastchapterdefs + \let\prevsectiondefs=\lastsectiondefs + \gdef\lastsectiondefs{\gdef\thissectionname{}\gdef\thissectionnum{}% + \gdef\thissection{}}% + % + \def\temptype{#2}% + \ifx\temptype\Ynothingkeyword + \gdef\lastchapterdefs{\gdef\thischaptername{#1}\gdef\thischapternum{}% + \gdef\thischapter{\thischaptername}}% + \else\ifx\temptype\Yomitfromtockeyword + \gdef\lastchapterdefs{\gdef\thischaptername{#1}\gdef\thischapternum{}% + \gdef\thischapter{}}% + \else\ifx\temptype\Yappendixkeyword + \toks0={#1}% + \xdef\lastchapterdefs{% + \gdef\noexpand\thischaptername{\the\toks0}% + \gdef\noexpand\thischapternum{\appendixletter}% + % \noexpand\putwordAppendix avoids expanding indigestible + % commands in some of the translations. + \gdef\noexpand\thischapter{\noexpand\putwordAppendix{} + \noexpand\thischapternum: + \noexpand\thischaptername}% + }% + \else + \toks0={#1}% + \xdef\lastchapterdefs{% + \gdef\noexpand\thischaptername{\the\toks0}% + \gdef\noexpand\thischapternum{\the\chapno}% + % \noexpand\putwordChapter avoids expanding indigestible + % commands in some of the translations. + \gdef\noexpand\thischapter{\noexpand\putwordChapter{} + \noexpand\thischapternum: + \noexpand\thischaptername}% + }% + \fi\fi\fi + % + % Output the mark. Pass it through \safewhatsit, to take care of + % the preceding space. + \safewhatsit\domark + % + % Insert the chapter heading break. + \pchapsepmacro + % + % Now the second mark, after the heading break. No break points + % between here and the heading. + \let\prevchapterdefs=\lastchapterdefs + \let\prevsectiondefs=\lastsectiondefs + \domark + % + {% + \chapfonts \rmisbold + % + % Have to define \lastsection before calling \donoderef, because the + % xref code eventually uses it. On the other hand, it has to be called + % after \pchapsepmacro, or the headline will change too soon. + \gdef\lastsection{#1}% + % + % Only insert the separating space if we have a chapter/appendix + % number, and don't print the unnumbered ``number''. + \ifx\temptype\Ynothingkeyword + \setbox0 = \hbox{}% + \def\toctype{unnchap}% + \else\ifx\temptype\Yomitfromtockeyword + \setbox0 = \hbox{}% contents like unnumbered, but no toc entry + \def\toctype{omit}% + \else\ifx\temptype\Yappendixkeyword + \setbox0 = \hbox{\putwordAppendix{} #3\enspace}% + \def\toctype{app}% + \else + \setbox0 = \hbox{#3\enspace}% + \def\toctype{numchap}% + \fi\fi\fi + % + % Write the toc entry for this chapter. Must come before the + % \donoderef, because we include the current node name in the toc + % entry, and \donoderef resets it to empty. + \writetocentry{\toctype}{#1}{#3}% + % + % For pdftex, we have to write out the node definition (aka, make + % the pdfdest) after any page break, but before the actual text has + % been typeset. If the destination for the pdf outline is after the + % text, then jumping from the outline may wind up with the text not + % being visible, for instance under high magnification. + \donoderef{#2}% + % + % Typeset the actual heading. + \nobreak % Avoid page breaks at the interline glue. + \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \ptexraggedright + \hangindent=\wd0 \centerparametersmaybe + \unhbox0 #1\par}% + }% + \nobreak\bigskip % no page break after a chapter title + \nobreak +} + +% @centerchap -- centered and unnumbered. +\let\centerparametersmaybe = \relax +\def\centerparameters{% + \advance\rightskip by 3\rightskip + \leftskip = \rightskip + \parfillskip = 0pt +} + + +% I don't think this chapter style is supported any more, so I'm not +% updating it with the new noderef stuff. We'll see. --karl, 11aug03. +% +\def\setchapterstyle #1 {\csname CHAPF#1\endcsname} +% +\def\unnchfopen #1{% +\chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 + \parindent=0pt\ptexraggedright + \rmisbold #1\hfill}}\bigskip \par\nobreak +} +\def\chfopen #1#2{\chapoddpage {\chapfonts +\vbox to 3in{\vfil \hbox to\hsize{\hfil #2} \hbox to\hsize{\hfil #1} \vfil}}% +\par\penalty 5000 % +} +\def\centerchfopen #1{% +\chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 + \parindent=0pt + \hfill {\rmisbold #1}\hfill}}\bigskip \par\nobreak +} +\def\CHAPFopen{% + \global\let\chapmacro=\chfopen + \global\let\centerchapmacro=\centerchfopen} + + +% Section titles. These macros combine the section number parts and +% call the generic \sectionheading to do the printing. +% +\newskip\secheadingskip +\def\secheadingbreak{\dobreak \secheadingskip{-1000}} + +% Subsection titles. +\newskip\subsecheadingskip +\def\subsecheadingbreak{\dobreak \subsecheadingskip{-500}} + +% Subsubsection titles. +\def\subsubsecheadingskip{\subsecheadingskip} +\def\subsubsecheadingbreak{\subsecheadingbreak} + + +% Print any size, any type, section title. +% +% #1 is the text, #2 is the section level (sec/subsec/subsubsec), #3 is +% the section type for xrefs (Ynumbered, Ynothing, Yappendix), #4 is the +% section number. +% +\def\seckeyword{sec} +% +\def\sectionheading#1#2#3#4{% + {% + % Switch to the right set of fonts. + \csname #2fonts\endcsname \rmisbold + % + \def\sectionlevel{#2}% + \def\temptype{#3}% + % + % Insert first mark before the heading break (see notes for \domark). + \let\prevsectiondefs=\lastsectiondefs + \ifx\temptype\Ynothingkeyword + \ifx\sectionlevel\seckeyword + \gdef\lastsectiondefs{\gdef\thissectionname{#1}\gdef\thissectionnum{}% + \gdef\thissection{\thissectionname}}% + \fi + \else\ifx\temptype\Yomitfromtockeyword + % Don't redefine \thissection. + \else\ifx\temptype\Yappendixkeyword + \ifx\sectionlevel\seckeyword + \toks0={#1}% + \xdef\lastsectiondefs{% + \gdef\noexpand\thissectionname{\the\toks0}% + \gdef\noexpand\thissectionnum{#4}% + % \noexpand\putwordSection avoids expanding indigestible + % commands in some of the translations. + \gdef\noexpand\thissection{\noexpand\putwordSection{} + \noexpand\thissectionnum: + \noexpand\thissectionname}% + }% + \fi + \else + \ifx\sectionlevel\seckeyword + \toks0={#1}% + \xdef\lastsectiondefs{% + \gdef\noexpand\thissectionname{\the\toks0}% + \gdef\noexpand\thissectionnum{#4}% + % \noexpand\putwordSection avoids expanding indigestible + % commands in some of the translations. + \gdef\noexpand\thissection{\noexpand\putwordSection{} + \noexpand\thissectionnum: + \noexpand\thissectionname}% + }% + \fi + \fi\fi\fi + % + % Go into vertical mode. Usually we'll already be there, but we + % don't want the following whatsit to end up in a preceding paragraph + % if the document didn't happen to have a blank line. + \par + % + % Output the mark. Pass it through \safewhatsit, to take care of + % the preceding space. + \safewhatsit\domark + % + % Insert space above the heading. + \csname #2headingbreak\endcsname + % + % Now the second mark, after the heading break. No break points + % between here and the heading. + \let\prevsectiondefs=\lastsectiondefs + \domark + % + % Only insert the space after the number if we have a section number. + \ifx\temptype\Ynothingkeyword + \setbox0 = \hbox{}% + \def\toctype{unn}% + \gdef\lastsection{#1}% + \else\ifx\temptype\Yomitfromtockeyword + % for @headings -- no section number, don't include in toc, + % and don't redefine \lastsection. + \setbox0 = \hbox{}% + \def\toctype{omit}% + \let\sectionlevel=\empty + \else\ifx\temptype\Yappendixkeyword + \setbox0 = \hbox{#4\enspace}% + \def\toctype{app}% + \gdef\lastsection{#1}% + \else + \setbox0 = \hbox{#4\enspace}% + \def\toctype{num}% + \gdef\lastsection{#1}% + \fi\fi\fi + % + % Write the toc entry (before \donoderef). See comments in \chapmacro. + \writetocentry{\toctype\sectionlevel}{#1}{#4}% + % + % Write the node reference (= pdf destination for pdftex). + % Again, see comments in \chapmacro. + \donoderef{#3}% + % + % Interline glue will be inserted when the vbox is completed. + % That glue will be a valid breakpoint for the page, since it'll be + % preceded by a whatsit (usually from the \donoderef, or from the + % \writetocentry if there was no node). We don't want to allow that + % break, since then the whatsits could end up on page n while the + % section is on page n+1, thus toc/etc. are wrong. Debian bug 276000. + \nobreak + % + % Output the actual section heading. + \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \ptexraggedright + \hangindent=\wd0 % zero if no section number + \unhbox0 #1}% + }% + % Add extra space after the heading -- half of whatever came above it. + % Don't allow stretch, though. + \kern .5 \csname #2headingskip\endcsname + % + % Do not let the kern be a potential breakpoint, as it would be if it + % was followed by glue. + \nobreak + % + % We'll almost certainly start a paragraph next, so don't let that + % glue accumulate. (Not a breakpoint because it's preceded by a + % discardable item.) + \vskip-\parskip + % + % This is purely so the last item on the list is a known \penalty > + % 10000. This is so \startdefun can avoid allowing breakpoints after + % section headings. Otherwise, it would insert a valid breakpoint between: + % + % @section sec-whatever + % @deffn def-whatever + \penalty 10001 +} + + +\message{toc,} +% Table of contents. +\newwrite\tocfile + +% Write an entry to the toc file, opening it if necessary. +% Called from @chapter, etc. +% +% Example usage: \writetocentry{sec}{Section Name}{\the\chapno.\the\secno} +% We append the current node name (if any) and page number as additional +% arguments for the \{chap,sec,...}entry macros which will eventually +% read this. The node name is used in the pdf outlines as the +% destination to jump to. +% +% We open the .toc file for writing here instead of at @setfilename (or +% any other fixed time) so that @contents can be anywhere in the document. +% But if #1 is `omit', then we don't do anything. This is used for the +% table of contents chapter openings themselves. +% +\newif\iftocfileopened +\def\omitkeyword{omit}% +% +\def\writetocentry#1#2#3{% + \edef\writetoctype{#1}% + \ifx\writetoctype\omitkeyword \else + \iftocfileopened\else + \immediate\openout\tocfile = \jobname.toc + \global\tocfileopenedtrue + \fi + % + \iflinks + {\atdummies + \edef\temp{% + \write\tocfile{@#1entry{#2}{#3}{\lastnode}{\noexpand\folio}}}% + \temp + }% + \fi + \fi + % + % Tell \shipout to create a pdf destination on each page, if we're + % writing pdf. These are used in the table of contents. We can't + % just write one on every page because the title pages are numbered + % 1 and 2 (the page numbers aren't printed), and so are the first + % two pages of the document. Thus, we'd have two destinations named + % `1', and two named `2'. + \ifpdf \global\pdfmakepagedesttrue \fi +} + + +% These characters do not print properly in the Computer Modern roman +% fonts, so we must take special care. This is more or less redundant +% with the Texinfo input format setup at the end of this file. +% +\def\activecatcodes{% + \catcode`\"=\active + \catcode`\$=\active + \catcode`\<=\active + \catcode`\>=\active + \catcode`\\=\active + \catcode`\^=\active + \catcode`\_=\active + \catcode`\|=\active + \catcode`\~=\active +} + + +% Read the toc file, which is essentially Texinfo input. +\def\readtocfile{% + \setupdatafile + \activecatcodes + \input \tocreadfilename +} + +\newskip\contentsrightmargin \contentsrightmargin=1in +\newcount\savepageno +\newcount\lastnegativepageno \lastnegativepageno = -1 + +% Prepare to read what we've written to \tocfile. +% +\def\startcontents#1{% + % If @setchapternewpage on, and @headings double, the contents should + % start on an odd page, unlike chapters. Thus, we maintain + % \contentsalignmacro in parallel with \pagealignmacro. + % From: Torbjorn Granlund + \contentsalignmacro + \immediate\closeout\tocfile + % + % Don't need to put `Contents' or `Short Contents' in the headline. + % It is abundantly clear what they are. + \chapmacro{#1}{Yomitfromtoc}{}% + % + \savepageno = \pageno + \begingroup % Set up to handle contents files properly. + \raggedbottom % Worry more about breakpoints than the bottom. + \advance\hsize by -\contentsrightmargin % Don't use the full line length. + % + % Roman numerals for page numbers. + \ifnum \pageno>0 \global\pageno = \lastnegativepageno \fi +} + +% redefined for the two-volume lispref. We always output on +% \jobname.toc even if this is redefined. +% +\def\tocreadfilename{\jobname.toc} + +% Normal (long) toc. +% +\def\contents{% + \startcontents{\putwordTOC}% + \openin 1 \tocreadfilename\space + \ifeof 1 \else + \readtocfile + \fi + \vfill \eject + \contentsalignmacro % in case @setchapternewpage odd is in effect + \ifeof 1 \else + \pdfmakeoutlines + \fi + \closein 1 + \endgroup + \lastnegativepageno = \pageno + \global\pageno = \savepageno +} + +% And just the chapters. +\def\summarycontents{% + \startcontents{\putwordShortTOC}% + % + \let\numchapentry = \shortchapentry + \let\appentry = \shortchapentry + \let\unnchapentry = \shortunnchapentry + % We want a true roman here for the page numbers. + \secfonts + \let\rm=\shortcontrm \let\bf=\shortcontbf + \let\sl=\shortcontsl \let\tt=\shortconttt + \rm + \hyphenpenalty = 10000 + \advance\baselineskip by 1pt % Open it up a little. + \def\numsecentry##1##2##3##4{} + \let\appsecentry = \numsecentry + \let\unnsecentry = \numsecentry + \let\numsubsecentry = \numsecentry + \let\appsubsecentry = \numsecentry + \let\unnsubsecentry = \numsecentry + \let\numsubsubsecentry = \numsecentry + \let\appsubsubsecentry = \numsecentry + \let\unnsubsubsecentry = \numsecentry + \openin 1 \tocreadfilename\space + \ifeof 1 \else + \readtocfile + \fi + \closein 1 + \vfill \eject + \contentsalignmacro % in case @setchapternewpage odd is in effect + \endgroup + \lastnegativepageno = \pageno + \global\pageno = \savepageno +} +\let\shortcontents = \summarycontents + +% Typeset the label for a chapter or appendix for the short contents. +% The arg is, e.g., `A' for an appendix, or `3' for a chapter. +% +\def\shortchaplabel#1{% + % This space should be enough, since a single number is .5em, and the + % widest letter (M) is 1em, at least in the Computer Modern fonts. + % But use \hss just in case. + % (This space doesn't include the extra space that gets added after + % the label; that gets put in by \shortchapentry above.) + % + % We'd like to right-justify chapter numbers, but that looks strange + % with appendix letters. And right-justifying numbers and + % left-justifying letters looks strange when there is less than 10 + % chapters. Have to read the whole toc once to know how many chapters + % there are before deciding ... + \hbox to 1em{#1\hss}% +} + +% These macros generate individual entries in the table of contents. +% The first argument is the chapter or section name. +% The last argument is the page number. +% The arguments in between are the chapter number, section number, ... + +% Chapters, in the main contents. +\def\numchapentry#1#2#3#4{\dochapentry{#2\labelspace#1}{#4}} +% +% Chapters, in the short toc. +% See comments in \dochapentry re vbox and related settings. +\def\shortchapentry#1#2#3#4{% + \tocentry{\shortchaplabel{#2}\labelspace #1}{\doshortpageno\bgroup#4\egroup}% +} + +% Appendices, in the main contents. +% Need the word Appendix, and a fixed-size box. +% +\def\appendixbox#1{% + % We use M since it's probably the widest letter. + \setbox0 = \hbox{\putwordAppendix{} M}% + \hbox to \wd0{\putwordAppendix{} #1\hss}} +% +\def\appentry#1#2#3#4{\dochapentry{\appendixbox{#2}\labelspace#1}{#4}} + +% Unnumbered chapters. +\def\unnchapentry#1#2#3#4{\dochapentry{#1}{#4}} +\def\shortunnchapentry#1#2#3#4{\tocentry{#1}{\doshortpageno\bgroup#4\egroup}} + +% Sections. +\def\numsecentry#1#2#3#4{\dosecentry{#2\labelspace#1}{#4}} +\let\appsecentry=\numsecentry +\def\unnsecentry#1#2#3#4{\dosecentry{#1}{#4}} + +% Subsections. +\def\numsubsecentry#1#2#3#4{\dosubsecentry{#2\labelspace#1}{#4}} +\let\appsubsecentry=\numsubsecentry +\def\unnsubsecentry#1#2#3#4{\dosubsecentry{#1}{#4}} + +% And subsubsections. +\def\numsubsubsecentry#1#2#3#4{\dosubsubsecentry{#2\labelspace#1}{#4}} +\let\appsubsubsecentry=\numsubsubsecentry +\def\unnsubsubsecentry#1#2#3#4{\dosubsubsecentry{#1}{#4}} + +% This parameter controls the indentation of the various levels. +% Same as \defaultparindent. +\newdimen\tocindent \tocindent = 15pt + +% Now for the actual typesetting. In all these, #1 is the text and #2 is the +% page number. +% +% If the toc has to be broken over pages, we want it to be at chapters +% if at all possible; hence the \penalty. +\def\dochapentry#1#2{% + \penalty-300 \vskip1\baselineskip plus.33\baselineskip minus.25\baselineskip + \begingroup + \chapentryfonts + \tocentry{#1}{\dopageno\bgroup#2\egroup}% + \endgroup + \nobreak\vskip .25\baselineskip plus.1\baselineskip +} + +\def\dosecentry#1#2{\begingroup + \secentryfonts \leftskip=\tocindent + \tocentry{#1}{\dopageno\bgroup#2\egroup}% +\endgroup} + +\def\dosubsecentry#1#2{\begingroup + \subsecentryfonts \leftskip=2\tocindent + \tocentry{#1}{\dopageno\bgroup#2\egroup}% +\endgroup} + +\def\dosubsubsecentry#1#2{\begingroup + \subsubsecentryfonts \leftskip=3\tocindent + \tocentry{#1}{\dopageno\bgroup#2\egroup}% +\endgroup} + +% We use the same \entry macro as for the index entries. +\let\tocentry = \entry + +% Space between chapter (or whatever) number and the title. +\def\labelspace{\hskip1em \relax} + +\def\dopageno#1{{\rm #1}} +\def\doshortpageno#1{{\rm #1}} + +\def\chapentryfonts{\secfonts \rm} +\def\secentryfonts{\textfonts} +\def\subsecentryfonts{\textfonts} +\def\subsubsecentryfonts{\textfonts} + + +\message{environments,} +% @foo ... @end foo. + +% @tex ... @end tex escapes into raw Tex temporarily. +% One exception: @ is still an escape character, so that @end tex works. +% But \@ or @@ will get a plain tex @ character. + +\envdef\tex{% + \setupmarkupstyle{tex}% + \catcode `\\=0 \catcode `\{=1 \catcode `\}=2 + \catcode `\$=3 \catcode `\&=4 \catcode `\#=6 + \catcode `\^=7 \catcode `\_=8 \catcode `\~=\active \let~=\tie + \catcode `\%=14 + \catcode `\+=\other + \catcode `\"=\other + \catcode `\|=\other + \catcode `\<=\other + \catcode `\>=\other + \catcode`\`=\other + \catcode`\'=\other + \escapechar=`\\ + % + \let\b=\ptexb + \let\bullet=\ptexbullet + \let\c=\ptexc + \let\,=\ptexcomma + \let\.=\ptexdot + \let\dots=\ptexdots + \let\equiv=\ptexequiv + \let\!=\ptexexclam + \let\i=\ptexi + \let\indent=\ptexindent + \let\noindent=\ptexnoindent + \let\{=\ptexlbrace + \let\+=\tabalign + \let\}=\ptexrbrace + \let\/=\ptexslash + \let\*=\ptexstar + \let\t=\ptext + \expandafter \let\csname top\endcsname=\ptextop % outer + \let\frenchspacing=\plainfrenchspacing + % + \def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}% + \def\enddots{\relax\ifmmode\endldots\else$\mathsurround=0pt \endldots\,$\fi}% + \def\@{@}% +} +% There is no need to define \Etex. + +% Define @lisp ... @end lisp. +% @lisp environment forms a group so it can rebind things, +% including the definition of @end lisp (which normally is erroneous). + +% Amount to narrow the margins by for @lisp. +\newskip\lispnarrowing \lispnarrowing=0.4in + +% This is the definition that ^^M gets inside @lisp, @example, and other +% such environments. \null is better than a space, since it doesn't +% have any width. +\def\lisppar{\null\endgraf} + +% This space is always present above and below environments. +\newskip\envskipamount \envskipamount = 0pt + +% Make spacing and below environment symmetrical. We use \parskip here +% to help in doing that, since in @example-like environments \parskip +% is reset to zero; thus the \afterenvbreak inserts no space -- but the +% start of the next paragraph will insert \parskip. +% +\def\aboveenvbreak{{% + % =10000 instead of <10000 because of a special case in \itemzzz and + % \sectionheading, q.v. + \ifnum \lastpenalty=10000 \else + \advance\envskipamount by \parskip + \endgraf + \ifdim\lastskip<\envskipamount + \removelastskip + % it's not a good place to break if the last penalty was \nobreak + % or better ... + \ifnum\lastpenalty<10000 \penalty-50 \fi + \vskip\envskipamount + \fi + \fi +}} + +\let\afterenvbreak = \aboveenvbreak + +% \nonarrowing is a flag. If "set", @lisp etc don't narrow margins; it will +% also clear it, so that its embedded environments do the narrowing again. +\let\nonarrowing=\relax + +% @cartouche ... @end cartouche: draw rectangle w/rounded corners around +% environment contents. +\font\circle=lcircle10 +\newdimen\circthick +\newdimen\cartouter\newdimen\cartinner +\newskip\normbskip\newskip\normpskip\newskip\normlskip +\circthick=\fontdimen8\circle +% +\def\ctl{{\circle\char'013\hskip -6pt}}% 6pt from pl file: 1/2charwidth +\def\ctr{{\hskip 6pt\circle\char'010}} +\def\cbl{{\circle\char'012\hskip -6pt}} +\def\cbr{{\hskip 6pt\circle\char'011}} +\def\carttop{\hbox to \cartouter{\hskip\lskip + \ctl\leaders\hrule height\circthick\hfil\ctr + \hskip\rskip}} +\def\cartbot{\hbox to \cartouter{\hskip\lskip + \cbl\leaders\hrule height\circthick\hfil\cbr + \hskip\rskip}} +% +\newskip\lskip\newskip\rskip + +\envdef\cartouche{% + \ifhmode\par\fi % can't be in the midst of a paragraph. + \startsavinginserts + \lskip=\leftskip \rskip=\rightskip + \leftskip=0pt\rightskip=0pt % we want these *outside*. + \cartinner=\hsize \advance\cartinner by-\lskip + \advance\cartinner by-\rskip + \cartouter=\hsize + \advance\cartouter by 18.4pt % allow for 3pt kerns on either + % side, and for 6pt waste from + % each corner char, and rule thickness + \normbskip=\baselineskip \normpskip=\parskip \normlskip=\lineskip + % Flag to tell @lisp, etc., not to narrow margin. + \let\nonarrowing = t% + \vbox\bgroup + \baselineskip=0pt\parskip=0pt\lineskip=0pt + \carttop + \hbox\bgroup + \hskip\lskip + \vrule\kern3pt + \vbox\bgroup + \kern3pt + \hsize=\cartinner + \baselineskip=\normbskip + \lineskip=\normlskip + \parskip=\normpskip + \vskip -\parskip + \comment % For explanation, see the end of \def\group. +} +\def\Ecartouche{% + \ifhmode\par\fi + \kern3pt + \egroup + \kern3pt\vrule + \hskip\rskip + \egroup + \cartbot + \egroup + \checkinserts +} + + +% This macro is called at the beginning of all the @example variants, +% inside a group. +\newdimen\nonfillparindent +\def\nonfillstart{% + \aboveenvbreak + \hfuzz = 12pt % Don't be fussy + \sepspaces % Make spaces be word-separators rather than space tokens. + \let\par = \lisppar % don't ignore blank lines + \obeylines % each line of input is a line of output + \parskip = 0pt + % Turn off paragraph indentation but redefine \indent to emulate + % the normal \indent. + \nonfillparindent=\parindent + \parindent = 0pt + \let\indent\nonfillindent + % + \emergencystretch = 0pt % don't try to avoid overfull boxes + \ifx\nonarrowing\relax + \advance \leftskip by \lispnarrowing + \exdentamount=\lispnarrowing + \else + \let\nonarrowing = \relax + \fi + \let\exdent=\nofillexdent +} + +\begingroup +\obeyspaces +% We want to swallow spaces (but not other tokens) after the fake +% @indent in our nonfill-environments, where spaces are normally +% active and set to @tie, resulting in them not being ignored after +% @indent. +\gdef\nonfillindent{\futurelet\temp\nonfillindentcheck}% +\gdef\nonfillindentcheck{% +\ifx\temp % +\expandafter\nonfillindentgobble% +\else% +\leavevmode\nonfillindentbox% +\fi% +}% +\endgroup +\def\nonfillindentgobble#1{\nonfillindent} +\def\nonfillindentbox{\hbox to \nonfillparindent{\hss}} + +% If you want all examples etc. small: @set dispenvsize small. +% If you want even small examples the full size: @set dispenvsize nosmall. +% This affects the following displayed environments: +% @example, @display, @format, @lisp +% +\def\smallword{small} +\def\nosmallword{nosmall} +\let\SETdispenvsize\relax +\def\setnormaldispenv{% + \ifx\SETdispenvsize\smallword + % end paragraph for sake of leading, in case document has no blank + % line. This is redundant with what happens in \aboveenvbreak, but + % we need to do it before changing the fonts, and it's inconvenient + % to change the fonts afterward. + \ifnum \lastpenalty=10000 \else \endgraf \fi + \smallexamplefonts \rm + \fi +} +\def\setsmalldispenv{% + \ifx\SETdispenvsize\nosmallword + \else + \ifnum \lastpenalty=10000 \else \endgraf \fi + \smallexamplefonts \rm + \fi +} + +% We often define two environments, @foo and @smallfoo. +% Let's do it by one command: +\def\makedispenv #1#2{ + \expandafter\envdef\csname#1\endcsname {\setnormaldispenv #2} + \expandafter\envdef\csname small#1\endcsname {\setsmalldispenv #2} + \expandafter\let\csname E#1\endcsname \afterenvbreak + \expandafter\let\csname Esmall#1\endcsname \afterenvbreak +} + +% Define two synonyms: +\def\maketwodispenvs #1#2#3{ + \makedispenv{#1}{#3} + \makedispenv{#2}{#3} +} + +% @lisp: indented, narrowed, typewriter font; @example: same as @lisp. +% +% @smallexample and @smalllisp: use smaller fonts. +% Originally contributed by Pavel@xerox. +% +\maketwodispenvs {lisp}{example}{% + \nonfillstart + \tt\setupmarkupstyle{example}% + \let\kbdfont = \kbdexamplefont % Allow @kbd to do something special. + \gobble % eat return +} +% @display/@smalldisplay: same as @lisp except keep current font. +% +\makedispenv {display}{% + \nonfillstart + \gobble +} + +% @format/@smallformat: same as @display except don't narrow margins. +% +\makedispenv{format}{% + \let\nonarrowing = t% + \nonfillstart + \gobble +} + +% @flushleft: same as @format, but doesn't obey \SETdispenvsize. +\envdef\flushleft{% + \let\nonarrowing = t% + \nonfillstart + \gobble +} +\let\Eflushleft = \afterenvbreak + +% @flushright. +% +\envdef\flushright{% + \let\nonarrowing = t% + \nonfillstart + \advance\leftskip by 0pt plus 1fill + \gobble +} +\let\Eflushright = \afterenvbreak + + +% @raggedright does more-or-less normal line breaking but no right +% justification. From plain.tex. +\envdef\raggedright{% + \rightskip0pt plus2em \spaceskip.3333em \xspaceskip.5em\relax +} +\let\Eraggedright\par + +\envdef\raggedleft{% + \parindent=0pt \leftskip0pt plus2em + \spaceskip.3333em \xspaceskip.5em \parfillskip=0pt + \hbadness=10000 % Last line will usually be underfull, so turn off + % badness reporting. +} +\let\Eraggedleft\par + +\envdef\raggedcenter{% + \parindent=0pt \rightskip0pt plus1em \leftskip0pt plus1em + \spaceskip.3333em \xspaceskip.5em \parfillskip=0pt + \hbadness=10000 % Last line will usually be underfull, so turn off + % badness reporting. +} +\let\Eraggedcenter\par + + +% @quotation does normal linebreaking (hence we can't use \nonfillstart) +% and narrows the margins. We keep \parskip nonzero in general, since +% we're doing normal filling. So, when using \aboveenvbreak and +% \afterenvbreak, temporarily make \parskip 0. +% +\def\quotationstart{% + {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip + \parindent=0pt + % + % @cartouche defines \nonarrowing to inhibit narrowing at next level down. + \ifx\nonarrowing\relax + \advance\leftskip by \lispnarrowing + \advance\rightskip by \lispnarrowing + \exdentamount = \lispnarrowing + \else + \let\nonarrowing = \relax + \fi + \parsearg\quotationlabel +} + +\envdef\quotation{% + \setnormaldispenv + \quotationstart +} + +\envdef\smallquotation{% + \setsmalldispenv + \quotationstart +} +\let\Esmallquotation = \Equotation + +% We have retained a nonzero parskip for the environment, since we're +% doing normal filling. +% +\def\Equotation{% + \par + \ifx\quotationauthor\undefined\else + % indent a bit. + \leftline{\kern 2\leftskip \sl ---\quotationauthor}% + \fi + {\parskip=0pt \afterenvbreak}% +} + +% If we're given an argument, typeset it in bold with a colon after. +\def\quotationlabel#1{% + \def\temp{#1}% + \ifx\temp\empty \else + {\bf #1: }% + \fi +} + + +% LaTeX-like @verbatim...@end verbatim and @verb{...} +% If we want to allow any as delimiter, +% we need the curly braces so that makeinfo sees the @verb command, eg: +% `@verbx...x' would look like the '@verbx' command. --janneke@gnu.org +% +% [Knuth]: Donald Ervin Knuth, 1996. The TeXbook. +% +% [Knuth] p.344; only we need to do the other characters Texinfo sets +% active too. Otherwise, they get lost as the first character on a +% verbatim line. +\def\dospecials{% + \do\ \do\\\do\{\do\}\do\$\do\&% + \do\#\do\^\do\^^K\do\_\do\^^A\do\%\do\~% + \do\<\do\>\do\|\do\@\do+\do\"% + % Don't do the quotes -- if we do, @set txicodequoteundirected and + % @set txicodequotebacktick will not have effect on @verb and + % @verbatim, and ?` and !` ligatures won't get disabled. + %\do\`\do\'% +} +% +% [Knuth] p. 380 +\def\uncatcodespecials{% + \def\do##1{\catcode`##1=\other}\dospecials} +% +% Setup for the @verb command. +% +% Eight spaces for a tab +\begingroup + \catcode`\^^I=\active + \gdef\tabeightspaces{\catcode`\^^I=\active\def^^I{\ \ \ \ \ \ \ \ }} +\endgroup +% +\def\setupverb{% + \tt % easiest (and conventionally used) font for verbatim + \def\par{\leavevmode\endgraf}% + \setupmarkupstyle{verb}% + \tabeightspaces + % Respect line breaks, + % print special symbols as themselves, and + % make each space count + % must do in this order: + \obeylines \uncatcodespecials \sepspaces +} + +% Setup for the @verbatim environment +% +% Real tab expansion +\newdimen\tabw \setbox0=\hbox{\tt\space} \tabw=8\wd0 % tab amount +% +\def\starttabbox{\setbox0=\hbox\bgroup} +% +\begingroup + \catcode`\^^I=\active + \gdef\tabexpand{% + \catcode`\^^I=\active + \def^^I{\leavevmode\egroup + \dimen0=\wd0 % the width so far, or since the previous tab + \divide\dimen0 by\tabw + \multiply\dimen0 by\tabw % compute previous multiple of \tabw + \advance\dimen0 by\tabw % advance to next multiple of \tabw + \wd0=\dimen0 \box0 \starttabbox + }% + } +\endgroup + +% start the verbatim environment. +\def\setupverbatim{% + \let\nonarrowing = t% + \nonfillstart + % Easiest (and conventionally used) font for verbatim + \tt + \def\par{\leavevmode\egroup\box0\endgraf}% + \tabexpand + \setupmarkupstyle{verbatim}% + % Respect line breaks, + % print special symbols as themselves, and + % make each space count + % must do in this order: + \obeylines \uncatcodespecials \sepspaces + \everypar{\starttabbox}% +} + +% Do the @verb magic: verbatim text is quoted by unique +% delimiter characters. Before first delimiter expect a +% right brace, after last delimiter expect closing brace: +% +% \def\doverb'{'#1'}'{#1} +% +% [Knuth] p. 382; only eat outer {} +\begingroup + \catcode`[=1\catcode`]=2\catcode`\{=\other\catcode`\}=\other + \gdef\doverb{#1[\def\next##1#1}[##1\endgroup]\next] +\endgroup +% +\def\verb{\begingroup\setupverb\doverb} +% +% +% Do the @verbatim magic: define the macro \doverbatim so that +% the (first) argument ends when '@end verbatim' is reached, ie: +% +% \def\doverbatim#1@end verbatim{#1} +% +% For Texinfo it's a lot easier than for LaTeX, +% because texinfo's \verbatim doesn't stop at '\end{verbatim}': +% we need not redefine '\', '{' and '}'. +% +% Inspired by LaTeX's verbatim command set [latex.ltx] +% +\begingroup + \catcode`\ =\active + \obeylines % + % ignore everything up to the first ^^M, that's the newline at the end + % of the @verbatim input line itself. Otherwise we get an extra blank + % line in the output. + \xdef\doverbatim#1^^M#2@end verbatim{#2\noexpand\end\gobble verbatim}% + % We really want {...\end verbatim} in the body of the macro, but + % without the active space; thus we have to use \xdef and \gobble. +\endgroup +% +\envdef\verbatim{% + \setupverbatim\doverbatim +} +\let\Everbatim = \afterenvbreak + + +% @verbatiminclude FILE - insert text of file in verbatim environment. +% +\def\verbatiminclude{\parseargusing\filenamecatcodes\doverbatiminclude} +% +\def\doverbatiminclude#1{% + {% + \makevalueexpandable + \setupverbatim + \indexnofonts % Allow `@@' and other weird things in file names. + \input #1 + \afterenvbreak + }% +} + +% @copying ... @end copying. +% Save the text away for @insertcopying later. +% +% We save the uninterpreted tokens, rather than creating a box. +% Saving the text in a box would be much easier, but then all the +% typesetting commands (@smallbook, font changes, etc.) have to be done +% beforehand -- and a) we want @copying to be done first in the source +% file; b) letting users define the frontmatter in as flexible order as +% possible is very desirable. +% +\def\copying{\checkenv{}\begingroup\scanargctxt\docopying} +\def\docopying#1@end copying{\endgroup\def\copyingtext{#1}} +% +\def\insertcopying{% + \begingroup + \parindent = 0pt % paragraph indentation looks wrong on title page + \scanexp\copyingtext + \endgroup +} + + +\message{defuns,} +% @defun etc. + +\newskip\defbodyindent \defbodyindent=.4in +\newskip\defargsindent \defargsindent=50pt +\newskip\deflastargmargin \deflastargmargin=18pt +\newcount\defunpenalty + +% Start the processing of @deffn: +\def\startdefun{% + \ifnum\lastpenalty<10000 + \medbreak + \defunpenalty=10003 % Will keep this @deffn together with the + % following @def command, see below. + \else + % If there are two @def commands in a row, we'll have a \nobreak, + % which is there to keep the function description together with its + % header. But if there's nothing but headers, we need to allow a + % break somewhere. Check specifically for penalty 10002, inserted + % by \printdefunline, instead of 10000, since the sectioning + % commands also insert a nobreak penalty, and we don't want to allow + % a break between a section heading and a defun. + % + % As a minor refinement, we avoid "club" headers by signalling + % with penalty of 10003 after the very first @deffn in the + % sequence (see above), and penalty of 10002 after any following + % @def command. + \ifnum\lastpenalty=10002 \penalty2000 \else \defunpenalty=10002 \fi + % + % Similarly, after a section heading, do not allow a break. + % But do insert the glue. + \medskip % preceded by discardable penalty, so not a breakpoint + \fi + % + \parindent=0in + \advance\leftskip by \defbodyindent + \exdentamount=\defbodyindent +} + +\def\dodefunx#1{% + % First, check whether we are in the right environment: + \checkenv#1% + % + % As above, allow line break if we have multiple x headers in a row. + % It's not a great place, though. + \ifnum\lastpenalty=10002 \penalty3000 \else \defunpenalty=10002 \fi + % + % And now, it's time to reuse the body of the original defun: + \expandafter\gobbledefun#1% +} +\def\gobbledefun#1\startdefun{} + +% \printdefunline \deffnheader{text} +% +\def\printdefunline#1#2{% + \begingroup + % call \deffnheader: + #1#2 \endheader + % common ending: + \interlinepenalty = 10000 + \advance\rightskip by 0pt plus 1fil + \endgraf + \nobreak\vskip -\parskip + \penalty\defunpenalty % signal to \startdefun and \dodefunx + % Some of the @defun-type tags do not enable magic parentheses, + % rendering the following check redundant. But we don't optimize. + \checkparencounts + \endgroup +} + +\def\Edefun{\endgraf\medbreak} + +% \makedefun{deffn} creates \deffn, \deffnx and \Edeffn; +% the only thing remaining is to define \deffnheader. +% +\def\makedefun#1{% + \expandafter\let\csname E#1\endcsname = \Edefun + \edef\temp{\noexpand\domakedefun + \makecsname{#1}\makecsname{#1x}\makecsname{#1header}}% + \temp +} + +% \domakedefun \deffn \deffnx \deffnheader +% +% Define \deffn and \deffnx, without parameters. +% \deffnheader has to be defined explicitly. +% +\def\domakedefun#1#2#3{% + \envdef#1{% + \startdefun + \parseargusing\activeparens{\printdefunline#3}% + }% + \def#2{\dodefunx#1}% + \def#3% +} + +%%% Untyped functions: + +% @deffn category name args +\makedefun{deffn}{\deffngeneral{}} + +% @deffn category class name args +\makedefun{defop}#1 {\defopon{#1\ \putwordon}} + +% \defopon {category on}class name args +\def\defopon#1#2 {\deffngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} } + +% \deffngeneral {subind}category name args +% +\def\deffngeneral#1#2 #3 #4\endheader{% + % Remember that \dosubind{fn}{foo}{} is equivalent to \doind{fn}{foo}. + \dosubind{fn}{\code{#3}}{#1}% + \defname{#2}{}{#3}\magicamp\defunargs{#4\unskip}% +} + +%%% Typed functions: + +% @deftypefn category type name args +\makedefun{deftypefn}{\deftypefngeneral{}} + +% @deftypeop category class type name args +\makedefun{deftypeop}#1 {\deftypeopon{#1\ \putwordon}} + +% \deftypeopon {category on}class type name args +\def\deftypeopon#1#2 {\deftypefngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} } + +% \deftypefngeneral {subind}category type name args +% +\def\deftypefngeneral#1#2 #3 #4 #5\endheader{% + \dosubind{fn}{\code{#4}}{#1}% + \defname{#2}{#3}{#4}\defunargs{#5\unskip}% +} + +%%% Typed variables: + +% @deftypevr category type var args +\makedefun{deftypevr}{\deftypecvgeneral{}} + +% @deftypecv category class type var args +\makedefun{deftypecv}#1 {\deftypecvof{#1\ \putwordof}} + +% \deftypecvof {category of}class type var args +\def\deftypecvof#1#2 {\deftypecvgeneral{\putwordof\ \code{#2}}{#1\ \code{#2}} } + +% \deftypecvgeneral {subind}category type var args +% +\def\deftypecvgeneral#1#2 #3 #4 #5\endheader{% + \dosubind{vr}{\code{#4}}{#1}% + \defname{#2}{#3}{#4}\defunargs{#5\unskip}% +} + +%%% Untyped variables: + +% @defvr category var args +\makedefun{defvr}#1 {\deftypevrheader{#1} {} } + +% @defcv category class var args +\makedefun{defcv}#1 {\defcvof{#1\ \putwordof}} + +% \defcvof {category of}class var args +\def\defcvof#1#2 {\deftypecvof{#1}#2 {} } + +%%% Type: +% @deftp category name args +\makedefun{deftp}#1 #2 #3\endheader{% + \doind{tp}{\code{#2}}% + \defname{#1}{}{#2}\defunargs{#3\unskip}% +} + +% Remaining @defun-like shortcuts: +\makedefun{defun}{\deffnheader{\putwordDeffunc} } +\makedefun{defmac}{\deffnheader{\putwordDefmac} } +\makedefun{defspec}{\deffnheader{\putwordDefspec} } +\makedefun{deftypefun}{\deftypefnheader{\putwordDeffunc} } +\makedefun{defvar}{\defvrheader{\putwordDefvar} } +\makedefun{defopt}{\defvrheader{\putwordDefopt} } +\makedefun{deftypevar}{\deftypevrheader{\putwordDefvar} } +\makedefun{defmethod}{\defopon\putwordMethodon} +\makedefun{deftypemethod}{\deftypeopon\putwordMethodon} +\makedefun{defivar}{\defcvof\putwordInstanceVariableof} +\makedefun{deftypeivar}{\deftypecvof\putwordInstanceVariableof} + +% \defname, which formats the name of the @def (not the args). +% #1 is the category, such as "Function". +% #2 is the return type, if any. +% #3 is the function name. +% +% We are followed by (but not passed) the arguments, if any. +% +\def\defname#1#2#3{% + % Get the values of \leftskip and \rightskip as they were outside the @def... + \advance\leftskip by -\defbodyindent + % + % How we'll format the type name. Putting it in brackets helps + % distinguish it from the body text that may end up on the next line + % just below it. + \def\temp{#1}% + \setbox0=\hbox{\kern\deflastargmargin \ifx\temp\empty\else [\rm\temp]\fi} + % + % Figure out line sizes for the paragraph shape. + % The first line needs space for \box0; but if \rightskip is nonzero, + % we need only space for the part of \box0 which exceeds it: + \dimen0=\hsize \advance\dimen0 by -\wd0 \advance\dimen0 by \rightskip + % The continuations: + \dimen2=\hsize \advance\dimen2 by -\defargsindent + % (plain.tex says that \dimen1 should be used only as global.) + \parshape 2 0in \dimen0 \defargsindent \dimen2 + % + % Put the type name to the right margin. + \noindent + \hbox to 0pt{% + \hfil\box0 \kern-\hsize + % \hsize has to be shortened this way: + \kern\leftskip + % Intentionally do not respect \rightskip, since we need the space. + }% + % + % Allow all lines to be underfull without complaint: + \tolerance=10000 \hbadness=10000 + \exdentamount=\defbodyindent + {% + % defun fonts. We use typewriter by default (used to be bold) because: + % . we're printing identifiers, they should be in tt in principle. + % . in languages with many accents, such as Czech or French, it's + % common to leave accents off identifiers. The result looks ok in + % tt, but exceedingly strange in rm. + % . we don't want -- and --- to be treated as ligatures. + % . this still does not fix the ?` and !` ligatures, but so far no + % one has made identifiers using them :). + \df \tt + \def\temp{#2}% return value type + \ifx\temp\empty\else \tclose{\temp} \fi + #3% output function name + }% + {\rm\enskip}% hskip 0.5 em of \tenrm + % + \boldbrax + % arguments will be output next, if any. +} + +% Print arguments in slanted roman (not ttsl), inconsistently with using +% tt for the name. This is because literal text is sometimes needed in +% the argument list (groff manual), and ttsl and tt are not very +% distinguishable. Prevent hyphenation at `-' chars. +% +\def\defunargs#1{% + % use sl by default (not ttsl), + % tt for the names. + \df \sl \hyphenchar\font=0 + % + % On the other hand, if an argument has two dashes (for instance), we + % want a way to get ttsl. Let's try @var for that. + \def\var##1{{\setupmarkupstyle{var}\ttslanted{##1}}}% + #1% + \sl\hyphenchar\font=45 +} + +% We want ()&[] to print specially on the defun line. +% +\def\activeparens{% + \catcode`\(=\active \catcode`\)=\active + \catcode`\[=\active \catcode`\]=\active + \catcode`\&=\active +} + +% Make control sequences which act like normal parenthesis chars. +\let\lparen = ( \let\rparen = ) + +% Be sure that we always have a definition for `(', etc. For example, +% if the fn name has parens in it, \boldbrax will not be in effect yet, +% so TeX would otherwise complain about undefined control sequence. +{ + \activeparens + \global\let(=\lparen \global\let)=\rparen + \global\let[=\lbrack \global\let]=\rbrack + \global\let& = \& + + \gdef\boldbrax{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb} + \gdef\magicamp{\let&=\amprm} +} + +\newcount\parencount + +% If we encounter &foo, then turn on ()-hacking afterwards +\newif\ifampseen +\def\amprm#1 {\ampseentrue{\bf\ }} + +\def\parenfont{% + \ifampseen + % At the first level, print parens in roman, + % otherwise use the default font. + \ifnum \parencount=1 \rm \fi + \else + % The \sf parens (in \boldbrax) actually are a little bolder than + % the contained text. This is especially needed for [ and ] . + \sf + \fi +} +\def\infirstlevel#1{% + \ifampseen + \ifnum\parencount=1 + #1% + \fi + \fi +} +\def\bfafterword#1 {#1 \bf} + +\def\opnr{% + \global\advance\parencount by 1 + {\parenfont(}% + \infirstlevel \bfafterword +} +\def\clnr{% + {\parenfont)}% + \infirstlevel \sl + \global\advance\parencount by -1 +} + +\newcount\brackcount +\def\lbrb{% + \global\advance\brackcount by 1 + {\bf[}% +} +\def\rbrb{% + {\bf]}% + \global\advance\brackcount by -1 +} + +\def\checkparencounts{% + \ifnum\parencount=0 \else \badparencount \fi + \ifnum\brackcount=0 \else \badbrackcount \fi +} +% these should not use \errmessage; the glibc manual, at least, actually +% has such constructs (when documenting function pointers). +\def\badparencount{% + \message{Warning: unbalanced parentheses in @def...}% + \global\parencount=0 +} +\def\badbrackcount{% + \message{Warning: unbalanced square brackets in @def...}% + \global\brackcount=0 +} + + +\message{macros,} +% @macro. + +% To do this right we need a feature of e-TeX, \scantokens, +% which we arrange to emulate with a temporary file in ordinary TeX. +\ifx\eTeXversion\undefined + \newwrite\macscribble + \def\scantokens#1{% + \toks0={#1}% + \immediate\openout\macscribble=\jobname.tmp + \immediate\write\macscribble{\the\toks0}% + \immediate\closeout\macscribble + \input \jobname.tmp + } +\fi + +\def\scanmacro#1{% + \begingroup + \newlinechar`\^^M + \let\xeatspaces\eatspaces + % Undo catcode changes of \startcontents and \doprintindex + % When called from @insertcopying or (short)caption, we need active + % backslash to get it printed correctly. Previously, we had + % \catcode`\\=\other instead. We'll see whether a problem appears + % with macro expansion. --kasal, 19aug04 + \catcode`\@=0 \catcode`\\=\active \escapechar=`\@ + % ... and \example + \spaceisspace + % + % Append \endinput to make sure that TeX does not see the ending newline. + % I've verified that it is necessary both for e-TeX and for ordinary TeX + % --kasal, 29nov03 + \scantokens{#1\endinput}% + \endgroup +} + +\def\scanexp#1{% + \edef\temp{\noexpand\scanmacro{#1}}% + \temp +} + +\newcount\paramno % Count of parameters +\newtoks\macname % Macro name +\newif\ifrecursive % Is it recursive? + +% List of all defined macros in the form +% \definedummyword\macro1\definedummyword\macro2... +% Currently is also contains all @aliases; the list can be split +% if there is a need. +\def\macrolist{} + +% Add the macro to \macrolist +\def\addtomacrolist#1{\expandafter \addtomacrolistxxx \csname#1\endcsname} +\def\addtomacrolistxxx#1{% + \toks0 = \expandafter{\macrolist\definedummyword#1}% + \xdef\macrolist{\the\toks0}% +} + +% Utility routines. +% This does \let #1 = #2, with \csnames; that is, +% \let \csname#1\endcsname = \csname#2\endcsname +% (except of course we have to play expansion games). +% +\def\cslet#1#2{% + \expandafter\let + \csname#1\expandafter\endcsname + \csname#2\endcsname +} + +% Trim leading and trailing spaces off a string. +% Concepts from aro-bend problem 15 (see CTAN). +{\catcode`\@=11 +\gdef\eatspaces #1{\expandafter\trim@\expandafter{#1 }} +\gdef\trim@ #1{\trim@@ @#1 @ #1 @ @@} +\gdef\trim@@ #1@ #2@ #3@@{\trim@@@\empty #2 @} +\def\unbrace#1{#1} +\unbrace{\gdef\trim@@@ #1 } #2@{#1} +} + +% Trim a single trailing ^^M off a string. +{\catcode`\^^M=\other \catcode`\Q=3% +\gdef\eatcr #1{\eatcra #1Q^^MQ}% +\gdef\eatcra#1^^MQ{\eatcrb#1Q}% +\gdef\eatcrb#1Q#2Q{#1}% +} + +% Macro bodies are absorbed as an argument in a context where +% all characters are catcode 10, 11 or 12, except \ which is active +% (as in normal texinfo). It is necessary to change the definition of \. + +% Non-ASCII encodings make 8-bit characters active, so un-activate +% them to avoid their expansion. Must do this non-globally, to +% confine the change to the current group. + +% It's necessary to have hard CRs when the macro is executed. This is +% done by making ^^M (\endlinechar) catcode 12 when reading the macro +% body, and then making it the \newlinechar in \scanmacro. + +\def\scanctxt{% + \catcode`\"=\other + \catcode`\+=\other + \catcode`\<=\other + \catcode`\>=\other + \catcode`\@=\other + \catcode`\^=\other + \catcode`\_=\other + \catcode`\|=\other + \catcode`\~=\other + \ifx\declaredencoding\ascii \else \setnonasciicharscatcodenonglobal\other \fi +} + +\def\scanargctxt{% + \scanctxt + \catcode`\\=\other + \catcode`\^^M=\other +} + +\def\macrobodyctxt{% + \scanctxt + \catcode`\{=\other + \catcode`\}=\other + \catcode`\^^M=\other + \usembodybackslash +} + +\def\macroargctxt{% + \scanctxt + \catcode`\\=\other +} + +% \mbodybackslash is the definition of \ in @macro bodies. +% It maps \foo\ => \csname macarg.foo\endcsname => #N +% where N is the macro parameter number. +% We define \csname macarg.\endcsname to be \realbackslash, so +% \\ in macro replacement text gets you a backslash. + +{\catcode`@=0 @catcode`@\=@active + @gdef@usembodybackslash{@let\=@mbodybackslash} + @gdef@mbodybackslash#1\{@csname macarg.#1@endcsname} +} +\expandafter\def\csname macarg.\endcsname{\realbackslash} + +\def\macro{\recursivefalse\parsearg\macroxxx} +\def\rmacro{\recursivetrue\parsearg\macroxxx} + +\def\macroxxx#1{% + \getargs{#1}% now \macname is the macname and \argl the arglist + \ifx\argl\empty % no arguments + \paramno=0% + \else + \expandafter\parsemargdef \argl;% + \fi + \if1\csname ismacro.\the\macname\endcsname + \message{Warning: redefining \the\macname}% + \else + \expandafter\ifx\csname \the\macname\endcsname \relax + \else \errmessage{Macro name \the\macname\space already defined}\fi + \global\cslet{macsave.\the\macname}{\the\macname}% + \global\expandafter\let\csname ismacro.\the\macname\endcsname=1% + \addtomacrolist{\the\macname}% + \fi + \begingroup \macrobodyctxt + \ifrecursive \expandafter\parsermacbody + \else \expandafter\parsemacbody + \fi} + +\parseargdef\unmacro{% + \if1\csname ismacro.#1\endcsname + \global\cslet{#1}{macsave.#1}% + \global\expandafter\let \csname ismacro.#1\endcsname=0% + % Remove the macro name from \macrolist: + \begingroup + \expandafter\let\csname#1\endcsname \relax + \let\definedummyword\unmacrodo + \xdef\macrolist{\macrolist}% + \endgroup + \else + \errmessage{Macro #1 not defined}% + \fi +} + +% Called by \do from \dounmacro on each macro. The idea is to omit any +% macro definitions that have been changed to \relax. +% +\def\unmacrodo#1{% + \ifx #1\relax + % remove this + \else + \noexpand\definedummyword \noexpand#1% + \fi +} + +% This makes use of the obscure feature that if the last token of a +% is #, then the preceding argument is delimited by +% an opening brace, and that opening brace is not consumed. +\def\getargs#1{\getargsxxx#1{}} +\def\getargsxxx#1#{\getmacname #1 \relax\getmacargs} +\def\getmacname #1 #2\relax{\macname={#1}} +\def\getmacargs#1{\def\argl{#1}} + +% Parse the optional {params} list. Set up \paramno and \paramlist +% so \defmacro knows what to do. Define \macarg.blah for each blah +% in the params list, to be ##N where N is the position in that list. +% That gets used by \mbodybackslash (above). + +% We need to get `macro parameter char #' into several definitions. +% The technique used is stolen from LaTeX: let \hash be something +% unexpandable, insert that wherever you need a #, and then redefine +% it to # just before using the token list produced. +% +% The same technique is used to protect \eatspaces till just before +% the macro is used. + +\def\parsemargdef#1;{\paramno=0\def\paramlist{}% + \let\hash\relax\let\xeatspaces\relax\parsemargdefxxx#1,;,} +\def\parsemargdefxxx#1,{% + \if#1;\let\next=\relax + \else \let\next=\parsemargdefxxx + \advance\paramno by 1% + \expandafter\edef\csname macarg.\eatspaces{#1}\endcsname + {\xeatspaces{\hash\the\paramno}}% + \edef\paramlist{\paramlist\hash\the\paramno,}% + \fi\next} + +% These two commands read recursive and nonrecursive macro bodies. +% (They're different since rec and nonrec macros end differently.) + +\long\def\parsemacbody#1@end macro% +{\xdef\temp{\eatcr{#1}}\endgroup\defmacro}% +\long\def\parsermacbody#1@end rmacro% +{\xdef\temp{\eatcr{#1}}\endgroup\defmacro}% + +% This defines the macro itself. There are six cases: recursive and +% nonrecursive macros of zero, one, and many arguments. +% Much magic with \expandafter here. +% \xdef is used so that macro definitions will survive the file +% they're defined in; @include reads the file inside a group. +\def\defmacro{% + \let\hash=##% convert placeholders to macro parameter chars + \ifrecursive + \ifcase\paramno + % 0 + \expandafter\xdef\csname\the\macname\endcsname{% + \noexpand\scanmacro{\temp}}% + \or % 1 + \expandafter\xdef\csname\the\macname\endcsname{% + \bgroup\noexpand\macroargctxt + \noexpand\braceorline + \expandafter\noexpand\csname\the\macname xxx\endcsname}% + \expandafter\xdef\csname\the\macname xxx\endcsname##1{% + \egroup\noexpand\scanmacro{\temp}}% + \else % many + \expandafter\xdef\csname\the\macname\endcsname{% + \bgroup\noexpand\macroargctxt + \noexpand\csname\the\macname xx\endcsname}% + \expandafter\xdef\csname\the\macname xx\endcsname##1{% + \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}% + \expandafter\expandafter + \expandafter\xdef + \expandafter\expandafter + \csname\the\macname xxx\endcsname + \paramlist{\egroup\noexpand\scanmacro{\temp}}% + \fi + \else + \ifcase\paramno + % 0 + \expandafter\xdef\csname\the\macname\endcsname{% + \noexpand\norecurse{\the\macname}% + \noexpand\scanmacro{\temp}\egroup}% + \or % 1 + \expandafter\xdef\csname\the\macname\endcsname{% + \bgroup\noexpand\macroargctxt + \noexpand\braceorline + \expandafter\noexpand\csname\the\macname xxx\endcsname}% + \expandafter\xdef\csname\the\macname xxx\endcsname##1{% + \egroup + \noexpand\norecurse{\the\macname}% + \noexpand\scanmacro{\temp}\egroup}% + \else % many + \expandafter\xdef\csname\the\macname\endcsname{% + \bgroup\noexpand\macroargctxt + \expandafter\noexpand\csname\the\macname xx\endcsname}% + \expandafter\xdef\csname\the\macname xx\endcsname##1{% + \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}% + \expandafter\expandafter + \expandafter\xdef + \expandafter\expandafter + \csname\the\macname xxx\endcsname + \paramlist{% + \egroup + \noexpand\norecurse{\the\macname}% + \noexpand\scanmacro{\temp}\egroup}% + \fi + \fi} + +\def\norecurse#1{\bgroup\cslet{#1}{macsave.#1}} + +% \braceorline decides whether the next nonwhitespace character is a +% {. If so it reads up to the closing }, if not, it reads the whole +% line. Whatever was read is then fed to the next control sequence +% as an argument (by \parsebrace or \parsearg) +\def\braceorline#1{\let\macnamexxx=#1\futurelet\nchar\braceorlinexxx} +\def\braceorlinexxx{% + \ifx\nchar\bgroup\else + \expandafter\parsearg + \fi \macnamexxx} + + +% @alias. +% We need some trickery to remove the optional spaces around the equal +% sign. Just make them active and then expand them all to nothing. +\def\alias{\parseargusing\obeyspaces\aliasxxx} +\def\aliasxxx #1{\aliasyyy#1\relax} +\def\aliasyyy #1=#2\relax{% + {% + \expandafter\let\obeyedspace=\empty + \addtomacrolist{#1}% + \xdef\next{\global\let\makecsname{#1}=\makecsname{#2}}% + }% + \next +} + + +\message{cross references,} + +\newwrite\auxfile +\newif\ifhavexrefs % True if xref values are known. +\newif\ifwarnedxrefs % True if we warned once that they aren't known. + +% @inforef is relatively simple. +\def\inforef #1{\inforefzzz #1,,,,**} +\def\inforefzzz #1,#2,#3,#4**{\putwordSee{} \putwordInfo{} \putwordfile{} \file{\ignorespaces #3{}}, + node \samp{\ignorespaces#1{}}} + +% @node's only job in TeX is to define \lastnode, which is used in +% cross-references. The @node line might or might not have commas, and +% might or might not have spaces before the first comma, like: +% @node foo , bar , ... +% We don't want such trailing spaces in the node name. +% +\parseargdef\node{\checkenv{}\donode #1 ,\finishnodeparse} +% +% also remove a trailing comma, in case of something like this: +% @node Help-Cross, , , Cross-refs +\def\donode#1 ,#2\finishnodeparse{\dodonode #1,\finishnodeparse} +\def\dodonode#1,#2\finishnodeparse{\gdef\lastnode{#1}} + +\let\nwnode=\node +\let\lastnode=\empty + +% Write a cross-reference definition for the current node. #1 is the +% type (Ynumbered, Yappendix, Ynothing). +% +\def\donoderef#1{% + \ifx\lastnode\empty\else + \setref{\lastnode}{#1}% + \global\let\lastnode=\empty + \fi +} + +% @anchor{NAME} -- define xref target at arbitrary point. +% +\newcount\savesfregister +% +\def\savesf{\relax \ifhmode \savesfregister=\spacefactor \fi} +\def\restoresf{\relax \ifhmode \spacefactor=\savesfregister \fi} +\def\anchor#1{\savesf \setref{#1}{Ynothing}\restoresf \ignorespaces} + +% \setref{NAME}{SNT} defines a cross-reference point NAME (a node or an +% anchor), which consists of three parts: +% 1) NAME-title - the current sectioning name taken from \lastsection, +% or the anchor name. +% 2) NAME-snt - section number and type, passed as the SNT arg, or +% empty for anchors. +% 3) NAME-pg - the page number. +% +% This is called from \donoderef, \anchor, and \dofloat. In the case of +% floats, there is an additional part, which is not written here: +% 4) NAME-lof - the text as it should appear in a @listoffloats. +% +\def\setref#1#2{% + \pdfmkdest{#1}% + \iflinks + {% + \atdummies % preserve commands, but don't expand them + \edef\writexrdef##1##2{% + \write\auxfile{@xrdef{#1-% #1 of \setref, expanded by the \edef + ##1}{##2}}% these are parameters of \writexrdef + }% + \toks0 = \expandafter{\lastsection}% + \immediate \writexrdef{title}{\the\toks0 }% + \immediate \writexrdef{snt}{\csname #2\endcsname}% \Ynumbered etc. + \safewhatsit{\writexrdef{pg}{\folio}}% will be written later, during \shipout + }% + \fi +} + +% @xref, @pxref, and @ref generate cross-references. For \xrefX, #1 is +% the node name, #2 the name of the Info cross-reference, #3 the printed +% node name, #4 the name of the Info file, #5 the name of the printed +% manual. All but the node name can be omitted. +% +\def\pxref#1{\putwordsee{} \xrefX[#1,,,,,,,]} +\def\xref#1{\putwordSee{} \xrefX[#1,,,,,,,]} +\def\ref#1{\xrefX[#1,,,,,,,]} +\def\xrefX[#1,#2,#3,#4,#5,#6]{\begingroup + \unsepspaces + \def\printedmanual{\ignorespaces #5}% + \def\printedrefname{\ignorespaces #3}% + \setbox1=\hbox{\printedmanual\unskip}% + \setbox0=\hbox{\printedrefname\unskip}% + \ifdim \wd0 = 0pt + % No printed node name was explicitly given. + \expandafter\ifx\csname SETxref-automatic-section-title\endcsname\relax + % Use the node name inside the square brackets. + \def\printedrefname{\ignorespaces #1}% + \else + % Use the actual chapter/section title appear inside + % the square brackets. Use the real section title if we have it. + \ifdim \wd1 > 0pt + % It is in another manual, so we don't have it. + \def\printedrefname{\ignorespaces #1}% + \else + \ifhavexrefs + % We know the real title if we have the xref values. + \def\printedrefname{\refx{#1-title}{}}% + \else + % Otherwise just copy the Info node name. + \def\printedrefname{\ignorespaces #1}% + \fi% + \fi + \fi + \fi + % + % Make link in pdf output. + \ifpdf + {\indexnofonts + \turnoffactive + % This expands tokens, so do it after making catcode changes, so _ + % etc. don't get their TeX definitions. + \getfilename{#4}% + % + % See comments at \activebackslashdouble. + {\activebackslashdouble \xdef\pdfxrefdest{#1}% + \backslashparens\pdfxrefdest}% + % + \leavevmode + \startlink attr{/Border [0 0 0]}% + \ifnum\filenamelength>0 + goto file{\the\filename.pdf} name{\pdfxrefdest}% + \else + goto name{\pdfmkpgn{\pdfxrefdest}}% + \fi + }% + \setcolor{\linkcolor}% + \fi + % + % Float references are printed completely differently: "Figure 1.2" + % instead of "[somenode], p.3". We distinguish them by the + % LABEL-title being set to a magic string. + {% + % Have to otherify everything special to allow the \csname to + % include an _ in the xref name, etc. + \indexnofonts + \turnoffactive + \expandafter\global\expandafter\let\expandafter\Xthisreftitle + \csname XR#1-title\endcsname + }% + \iffloat\Xthisreftitle + % If the user specified the print name (third arg) to the ref, + % print it instead of our usual "Figure 1.2". + \ifdim\wd0 = 0pt + \refx{#1-snt}{}% + \else + \printedrefname + \fi + % + % if the user also gave the printed manual name (fifth arg), append + % "in MANUALNAME". + \ifdim \wd1 > 0pt + \space \putwordin{} \cite{\printedmanual}% + \fi + \else + % node/anchor (non-float) references. + % + % If we use \unhbox0 and \unhbox1 to print the node names, TeX does not + % insert empty discretionaries after hyphens, which means that it will + % not find a line break at a hyphen in a node names. Since some manuals + % are best written with fairly long node names, containing hyphens, this + % is a loss. Therefore, we give the text of the node name again, so it + % is as if TeX is seeing it for the first time. + \ifdim \wd1 > 0pt + \putwordSection{} ``\printedrefname'' \putwordin{} \cite{\printedmanual}% + \else + % _ (for example) has to be the character _ for the purposes of the + % control sequence corresponding to the node, but it has to expand + % into the usual \leavevmode...\vrule stuff for purposes of + % printing. So we \turnoffactive for the \refx-snt, back on for the + % printing, back off for the \refx-pg. + {\turnoffactive + % Only output a following space if the -snt ref is nonempty; for + % @unnumbered and @anchor, it won't be. + \setbox2 = \hbox{\ignorespaces \refx{#1-snt}{}}% + \ifdim \wd2 > 0pt \refx{#1-snt}\space\fi + }% + % output the `[mynode]' via a macro so it can be overridden. + \xrefprintnodename\printedrefname + % + % But we always want a comma and a space: + ,\space + % + % output the `page 3'. + \turnoffactive \putwordpage\tie\refx{#1-pg}{}% + \fi + \fi + \endlink +\endgroup} + +% This macro is called from \xrefX for the `[nodename]' part of xref +% output. It's a separate macro only so it can be changed more easily, +% since square brackets don't work well in some documents. Particularly +% one that Bob is working on :). +% +\def\xrefprintnodename#1{[#1]} + +% Things referred to by \setref. +% +\def\Ynothing{} +\def\Yomitfromtoc{} +\def\Ynumbered{% + \ifnum\secno=0 + \putwordChapter@tie \the\chapno + \else \ifnum\subsecno=0 + \putwordSection@tie \the\chapno.\the\secno + \else \ifnum\subsubsecno=0 + \putwordSection@tie \the\chapno.\the\secno.\the\subsecno + \else + \putwordSection@tie \the\chapno.\the\secno.\the\subsecno.\the\subsubsecno + \fi\fi\fi +} +\def\Yappendix{% + \ifnum\secno=0 + \putwordAppendix@tie @char\the\appendixno{}% + \else \ifnum\subsecno=0 + \putwordSection@tie @char\the\appendixno.\the\secno + \else \ifnum\subsubsecno=0 + \putwordSection@tie @char\the\appendixno.\the\secno.\the\subsecno + \else + \putwordSection@tie + @char\the\appendixno.\the\secno.\the\subsecno.\the\subsubsecno + \fi\fi\fi +} + +% Define \refx{NAME}{SUFFIX} to reference a cross-reference string named NAME. +% If its value is nonempty, SUFFIX is output afterward. +% +\def\refx#1#2{% + {% + \indexnofonts + \otherbackslash + \expandafter\global\expandafter\let\expandafter\thisrefX + \csname XR#1\endcsname + }% + \ifx\thisrefX\relax + % If not defined, say something at least. + \angleleft un\-de\-fined\angleright + \iflinks + \ifhavexrefs + \message{\linenumber Undefined cross reference `#1'.}% + \else + \ifwarnedxrefs\else + \global\warnedxrefstrue + \message{Cross reference values unknown; you must run TeX again.}% + \fi + \fi + \fi + \else + % It's defined, so just use it. + \thisrefX + \fi + #2% Output the suffix in any case. +} + +% This is the macro invoked by entries in the aux file. Usually it's +% just a \def (we prepend XR to the control sequence name to avoid +% collisions). But if this is a float type, we have more work to do. +% +\def\xrdef#1#2{% + {% The node name might contain 8-bit characters, which in our current + % implementation are changed to commands like @'e. Don't let these + % mess up the control sequence name. + \indexnofonts + \turnoffactive + \xdef\safexrefname{#1}% + }% + % + \expandafter\gdef\csname XR\safexrefname\endcsname{#2}% remember this xref + % + % Was that xref control sequence that we just defined for a float? + \expandafter\iffloat\csname XR\safexrefname\endcsname + % it was a float, and we have the (safe) float type in \iffloattype. + \expandafter\let\expandafter\floatlist + \csname floatlist\iffloattype\endcsname + % + % Is this the first time we've seen this float type? + \expandafter\ifx\floatlist\relax + \toks0 = {\do}% yes, so just \do + \else + % had it before, so preserve previous elements in list. + \toks0 = \expandafter{\floatlist\do}% + \fi + % + % Remember this xref in the control sequence \floatlistFLOATTYPE, + % for later use in \listoffloats. + \expandafter\xdef\csname floatlist\iffloattype\endcsname{\the\toks0 + {\safexrefname}}% + \fi +} + +% Read the last existing aux file, if any. No error if none exists. +% +\def\tryauxfile{% + \openin 1 \jobname.aux + \ifeof 1 \else + \readdatafile{aux}% + \global\havexrefstrue + \fi + \closein 1 +} + +\def\setupdatafile{% + \catcode`\^^@=\other + \catcode`\^^A=\other + \catcode`\^^B=\other + \catcode`\^^C=\other + \catcode`\^^D=\other + \catcode`\^^E=\other + \catcode`\^^F=\other + \catcode`\^^G=\other + \catcode`\^^H=\other + \catcode`\^^K=\other + \catcode`\^^L=\other + \catcode`\^^N=\other + \catcode`\^^P=\other + \catcode`\^^Q=\other + \catcode`\^^R=\other + \catcode`\^^S=\other + \catcode`\^^T=\other + \catcode`\^^U=\other + \catcode`\^^V=\other + \catcode`\^^W=\other + \catcode`\^^X=\other + \catcode`\^^Z=\other + \catcode`\^^[=\other + \catcode`\^^\=\other + \catcode`\^^]=\other + \catcode`\^^^=\other + \catcode`\^^_=\other + % It was suggested to set the catcode of ^ to 7, which would allow ^^e4 etc. + % in xref tags, i.e., node names. But since ^^e4 notation isn't + % supported in the main text, it doesn't seem desirable. Furthermore, + % that is not enough: for node names that actually contain a ^ + % character, we would end up writing a line like this: 'xrdef {'hat + % b-title}{'hat b} and \xrdef does a \csname...\endcsname on the first + % argument, and \hat is not an expandable control sequence. It could + % all be worked out, but why? Either we support ^^ or we don't. + % + % The other change necessary for this was to define \auxhat: + % \def\auxhat{\def^{'hat }}% extra space so ok if followed by letter + % and then to call \auxhat in \setq. + % + \catcode`\^=\other + % + % Special characters. Should be turned off anyway, but... + \catcode`\~=\other + \catcode`\[=\other + \catcode`\]=\other + \catcode`\"=\other + \catcode`\_=\other + \catcode`\|=\other + \catcode`\<=\other + \catcode`\>=\other + \catcode`\$=\other + \catcode`\#=\other + \catcode`\&=\other + \catcode`\%=\other + \catcode`+=\other % avoid \+ for paranoia even though we've turned it off + % + % This is to support \ in node names and titles, since the \ + % characters end up in a \csname. It's easier than + % leaving it active and making its active definition an actual \ + % character. What I don't understand is why it works in the *value* + % of the xrdef. Seems like it should be a catcode12 \, and that + % should not typeset properly. But it works, so I'm moving on for + % now. --karl, 15jan04. + \catcode`\\=\other + % + % Make the characters 128-255 be printing characters. + {% + \count1=128 + \def\loop{% + \catcode\count1=\other + \advance\count1 by 1 + \ifnum \count1<256 \loop \fi + }% + }% + % + % @ is our escape character in .aux files, and we need braces. + \catcode`\{=1 + \catcode`\}=2 + \catcode`\@=0 +} + +\def\readdatafile#1{% +\begingroup + \setupdatafile + \input\jobname.#1 +\endgroup} + + +\message{insertions,} +% including footnotes. + +\newcount \footnoteno + +% The trailing space in the following definition for supereject is +% vital for proper filling; pages come out unaligned when you do a +% pagealignmacro call if that space before the closing brace is +% removed. (Generally, numeric constants should always be followed by a +% space to prevent strange expansion errors.) +\def\supereject{\par\penalty -20000\footnoteno =0 } + +% @footnotestyle is meaningful for info output only. +\let\footnotestyle=\comment + +{\catcode `\@=11 +% +% Auto-number footnotes. Otherwise like plain. +\gdef\footnote{% + \let\indent=\ptexindent + \let\noindent=\ptexnoindent + \global\advance\footnoteno by \@ne + \edef\thisfootno{$^{\the\footnoteno}$}% + % + % In case the footnote comes at the end of a sentence, preserve the + % extra spacing after we do the footnote number. + \let\@sf\empty + \ifhmode\edef\@sf{\spacefactor\the\spacefactor}\ptexslash\fi + % + % Remove inadvertent blank space before typesetting the footnote number. + \unskip + \thisfootno\@sf + \dofootnote +}% + +% Don't bother with the trickery in plain.tex to not require the +% footnote text as a parameter. Our footnotes don't need to be so general. +% +% Oh yes, they do; otherwise, @ifset (and anything else that uses +% \parseargline) fails inside footnotes because the tokens are fixed when +% the footnote is read. --karl, 16nov96. +% +\gdef\dofootnote{% + \insert\footins\bgroup + % We want to typeset this text as a normal paragraph, even if the + % footnote reference occurs in (for example) a display environment. + % So reset some parameters. + \hsize=\pagewidth + \interlinepenalty\interfootnotelinepenalty + \splittopskip\ht\strutbox % top baseline for broken footnotes + \splitmaxdepth\dp\strutbox + \floatingpenalty\@MM + \leftskip\z@skip + \rightskip\z@skip + \spaceskip\z@skip + \xspaceskip\z@skip + \parindent\defaultparindent + % + \smallfonts \rm + % + % Because we use hanging indentation in footnotes, a @noindent appears + % to exdent this text, so make it be a no-op. makeinfo does not use + % hanging indentation so @noindent can still be needed within footnote + % text after an @example or the like (not that this is good style). + \let\noindent = \relax + % + % Hang the footnote text off the number. Use \everypar in case the + % footnote extends for more than one paragraph. + \everypar = {\hang}% + \textindent{\thisfootno}% + % + % Don't crash into the line above the footnote text. Since this + % expands into a box, it must come within the paragraph, lest it + % provide a place where TeX can split the footnote. + \footstrut + \futurelet\next\fo@t +} +}%end \catcode `\@=11 + +% In case a @footnote appears in a vbox, save the footnote text and create +% the real \insert just after the vbox finished. Otherwise, the insertion +% would be lost. +% Similarly, if a @footnote appears inside an alignment, save the footnote +% text to a box and make the \insert when a row of the table is finished. +% And the same can be done for other insert classes. --kasal, 16nov03. + +% Replace the \insert primitive by a cheating macro. +% Deeper inside, just make sure that the saved insertions are not spilled +% out prematurely. +% +\def\startsavinginserts{% + \ifx \insert\ptexinsert + \let\insert\saveinsert + \else + \let\checkinserts\relax + \fi +} + +% This \insert replacement works for both \insert\footins{foo} and +% \insert\footins\bgroup foo\egroup, but it doesn't work for \insert27{foo}. +% +\def\saveinsert#1{% + \edef\next{\noexpand\savetobox \makeSAVEname#1}% + \afterassignment\next + % swallow the left brace + \let\temp = +} +\def\makeSAVEname#1{\makecsname{SAVE\expandafter\gobble\string#1}} +\def\savetobox#1{\global\setbox#1 = \vbox\bgroup \unvbox#1} + +\def\checksaveins#1{\ifvoid#1\else \placesaveins#1\fi} + +\def\placesaveins#1{% + \ptexinsert \csname\expandafter\gobblesave\string#1\endcsname + {\box#1}% +} + +% eat @SAVE -- beware, all of them have catcode \other: +{ + \def\dospecials{\do S\do A\do V\do E} \uncatcodespecials % ;-) + \gdef\gobblesave @SAVE{} +} + +% initialization: +\def\newsaveins #1{% + \edef\next{\noexpand\newsaveinsX \makeSAVEname#1}% + \next +} +\def\newsaveinsX #1{% + \csname newbox\endcsname #1% + \expandafter\def\expandafter\checkinserts\expandafter{\checkinserts + \checksaveins #1}% +} + +% initialize: +\let\checkinserts\empty +\newsaveins\footins +\newsaveins\margin + + +% @image. We use the macros from epsf.tex to support this. +% If epsf.tex is not installed and @image is used, we complain. +% +% Check for and read epsf.tex up front. If we read it only at @image +% time, we might be inside a group, and then its definitions would get +% undone and the next image would fail. +\openin 1 = epsf.tex +\ifeof 1 \else + % Do not bother showing banner with epsf.tex v2.7k (available in + % doc/epsf.tex and on ctan). + \def\epsfannounce{\toks0 = }% + \input epsf.tex +\fi +\closein 1 +% +% We will only complain once about lack of epsf.tex. +\newif\ifwarnednoepsf +\newhelp\noepsfhelp{epsf.tex must be installed for images to + work. It is also included in the Texinfo distribution, or you can get + it from ftp://tug.org/tex/epsf.tex.} +% +\def\image#1{% + \ifx\epsfbox\undefined + \ifwarnednoepsf \else + \errhelp = \noepsfhelp + \errmessage{epsf.tex not found, images will be ignored}% + \global\warnednoepsftrue + \fi + \else + \imagexxx #1,,,,,\finish + \fi +} +% +% Arguments to @image: +% #1 is (mandatory) image filename; we tack on .eps extension. +% #2 is (optional) width, #3 is (optional) height. +% #4 is (ignored optional) html alt text. +% #5 is (ignored optional) extension. +% #6 is just the usual extra ignored arg for parsing this stuff. +\newif\ifimagevmode +\def\imagexxx#1,#2,#3,#4,#5,#6\finish{\begingroup + \catcode`\^^M = 5 % in case we're inside an example + \normalturnoffactive % allow _ et al. in names + % If the image is by itself, center it. + \ifvmode + \imagevmodetrue + \nobreak\medskip + % Usually we'll have text after the image which will insert + % \parskip glue, so insert it here too to equalize the space + % above and below. + \nobreak\vskip\parskip + \nobreak + \fi + % + % Leave vertical mode so that indentation from an enclosing + % environment such as @quotation is respected. On the other hand, if + % it's at the top level, we don't want the normal paragraph indentation. + \noindent + % + % Output the image. + \ifpdf + \dopdfimage{#1}{#2}{#3}% + \else + % \epsfbox itself resets \epsf?size at each figure. + \setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \epsfxsize=#2\relax \fi + \setbox0 = \hbox{\ignorespaces #3}\ifdim\wd0 > 0pt \epsfysize=#3\relax \fi + \epsfbox{#1.eps}% + \fi + % + \ifimagevmode \medskip \fi % space after the standalone image +\endgroup} + + +% @float FLOATTYPE,LABEL,LOC ... @end float for displayed figures, tables, +% etc. We don't actually implement floating yet, we always include the +% float "here". But it seemed the best name for the future. +% +\envparseargdef\float{\eatcommaspace\eatcommaspace\dofloat#1, , ,\finish} + +% There may be a space before second and/or third parameter; delete it. +\def\eatcommaspace#1, {#1,} + +% #1 is the optional FLOATTYPE, the text label for this float, typically +% "Figure", "Table", "Example", etc. Can't contain commas. If omitted, +% this float will not be numbered and cannot be referred to. +% +% #2 is the optional xref label. Also must be present for the float to +% be referable. +% +% #3 is the optional positioning argument; for now, it is ignored. It +% will somehow specify the positions allowed to float to (here, top, bottom). +% +% We keep a separate counter for each FLOATTYPE, which we reset at each +% chapter-level command. +\let\resetallfloatnos=\empty +% +\def\dofloat#1,#2,#3,#4\finish{% + \let\thiscaption=\empty + \let\thisshortcaption=\empty + % + % don't lose footnotes inside @float. + % + % BEWARE: when the floats start float, we have to issue warning whenever an + % insert appears inside a float which could possibly float. --kasal, 26may04 + % + \startsavinginserts + % + % We can't be used inside a paragraph. + \par + % + \vtop\bgroup + \def\floattype{#1}% + \def\floatlabel{#2}% + \def\floatloc{#3}% we do nothing with this yet. + % + \ifx\floattype\empty + \let\safefloattype=\empty + \else + {% + % the floattype might have accents or other special characters, + % but we need to use it in a control sequence name. + \indexnofonts + \turnoffactive + \xdef\safefloattype{\floattype}% + }% + \fi + % + % If label is given but no type, we handle that as the empty type. + \ifx\floatlabel\empty \else + % We want each FLOATTYPE to be numbered separately (Figure 1, + % Table 1, Figure 2, ...). (And if no label, no number.) + % + \expandafter\getfloatno\csname\safefloattype floatno\endcsname + \global\advance\floatno by 1 + % + {% + % This magic value for \lastsection is output by \setref as the + % XREFLABEL-title value. \xrefX uses it to distinguish float + % labels (which have a completely different output format) from + % node and anchor labels. And \xrdef uses it to construct the + % lists of floats. + % + \edef\lastsection{\floatmagic=\safefloattype}% + \setref{\floatlabel}{Yfloat}% + }% + \fi + % + % start with \parskip glue, I guess. + \vskip\parskip + % + % Don't suppress indentation if a float happens to start a section. + \restorefirstparagraphindent +} + +% we have these possibilities: +% @float Foo,lbl & @caption{Cap}: Foo 1.1: Cap +% @float Foo,lbl & no caption: Foo 1.1 +% @float Foo & @caption{Cap}: Foo: Cap +% @float Foo & no caption: Foo +% @float ,lbl & Caption{Cap}: 1.1: Cap +% @float ,lbl & no caption: 1.1 +% @float & @caption{Cap}: Cap +% @float & no caption: +% +\def\Efloat{% + \let\floatident = \empty + % + % In all cases, if we have a float type, it comes first. + \ifx\floattype\empty \else \def\floatident{\floattype}\fi + % + % If we have an xref label, the number comes next. + \ifx\floatlabel\empty \else + \ifx\floattype\empty \else % if also had float type, need tie first. + \appendtomacro\floatident{\tie}% + \fi + % the number. + \appendtomacro\floatident{\chaplevelprefix\the\floatno}% + \fi + % + % Start the printed caption with what we've constructed in + % \floatident, but keep it separate; we need \floatident again. + \let\captionline = \floatident + % + \ifx\thiscaption\empty \else + \ifx\floatident\empty \else + \appendtomacro\captionline{: }% had ident, so need a colon between + \fi + % + % caption text. + \appendtomacro\captionline{\scanexp\thiscaption}% + \fi + % + % If we have anything to print, print it, with space before. + % Eventually this needs to become an \insert. + \ifx\captionline\empty \else + \vskip.5\parskip + \captionline + % + % Space below caption. + \vskip\parskip + \fi + % + % If have an xref label, write the list of floats info. Do this + % after the caption, to avoid chance of it being a breakpoint. + \ifx\floatlabel\empty \else + % Write the text that goes in the lof to the aux file as + % \floatlabel-lof. Besides \floatident, we include the short + % caption if specified, else the full caption if specified, else nothing. + {% + \atdummies + % + % since we read the caption text in the macro world, where ^^M + % is turned into a normal character, we have to scan it back, so + % we don't write the literal three characters "^^M" into the aux file. + \scanexp{% + \xdef\noexpand\gtemp{% + \ifx\thisshortcaption\empty + \thiscaption + \else + \thisshortcaption + \fi + }% + }% + \immediate\write\auxfile{@xrdef{\floatlabel-lof}{\floatident + \ifx\gtemp\empty \else : \gtemp \fi}}% + }% + \fi + \egroup % end of \vtop + % + % place the captured inserts + % + % BEWARE: when the floats start floating, we have to issue warning + % whenever an insert appears inside a float which could possibly + % float. --kasal, 26may04 + % + \checkinserts +} + +% Append the tokens #2 to the definition of macro #1, not expanding either. +% +\def\appendtomacro#1#2{% + \expandafter\def\expandafter#1\expandafter{#1#2}% +} + +% @caption, @shortcaption +% +\def\caption{\docaption\thiscaption} +\def\shortcaption{\docaption\thisshortcaption} +\def\docaption{\checkenv\float \bgroup\scanargctxt\defcaption} +\def\defcaption#1#2{\egroup \def#1{#2}} + +% The parameter is the control sequence identifying the counter we are +% going to use. Create it if it doesn't exist and assign it to \floatno. +\def\getfloatno#1{% + \ifx#1\relax + % Haven't seen this figure type before. + \csname newcount\endcsname #1% + % + % Remember to reset this floatno at the next chap. + \expandafter\gdef\expandafter\resetallfloatnos + \expandafter{\resetallfloatnos #1=0 }% + \fi + \let\floatno#1% +} + +% \setref calls this to get the XREFLABEL-snt value. We want an @xref +% to the FLOATLABEL to expand to "Figure 3.1". We call \setref when we +% first read the @float command. +% +\def\Yfloat{\floattype@tie \chaplevelprefix\the\floatno}% + +% Magic string used for the XREFLABEL-title value, so \xrefX can +% distinguish floats from other xref types. +\def\floatmagic{!!float!!} + +% #1 is the control sequence we are passed; we expand into a conditional +% which is true if #1 represents a float ref. That is, the magic +% \lastsection value which we \setref above. +% +\def\iffloat#1{\expandafter\doiffloat#1==\finish} +% +% #1 is (maybe) the \floatmagic string. If so, #2 will be the +% (safe) float type for this float. We set \iffloattype to #2. +% +\def\doiffloat#1=#2=#3\finish{% + \def\temp{#1}% + \def\iffloattype{#2}% + \ifx\temp\floatmagic +} + +% @listoffloats FLOATTYPE - print a list of floats like a table of contents. +% +\parseargdef\listoffloats{% + \def\floattype{#1}% floattype + {% + % the floattype might have accents or other special characters, + % but we need to use it in a control sequence name. + \indexnofonts + \turnoffactive + \xdef\safefloattype{\floattype}% + }% + % + % \xrdef saves the floats as a \do-list in \floatlistSAFEFLOATTYPE. + \expandafter\ifx\csname floatlist\safefloattype\endcsname \relax + \ifhavexrefs + % if the user said @listoffloats foo but never @float foo. + \message{\linenumber No `\safefloattype' floats to list.}% + \fi + \else + \begingroup + \leftskip=\tocindent % indent these entries like a toc + \let\do=\listoffloatsdo + \csname floatlist\safefloattype\endcsname + \endgroup + \fi +} + +% This is called on each entry in a list of floats. We're passed the +% xref label, in the form LABEL-title, which is how we save it in the +% aux file. We strip off the -title and look up \XRLABEL-lof, which +% has the text we're supposed to typeset here. +% +% Figures without xref labels will not be included in the list (since +% they won't appear in the aux file). +% +\def\listoffloatsdo#1{\listoffloatsdoentry#1\finish} +\def\listoffloatsdoentry#1-title\finish{{% + % Can't fully expand XR#1-lof because it can contain anything. Just + % pass the control sequence. On the other hand, XR#1-pg is just the + % page number, and we want to fully expand that so we can get a link + % in pdf output. + \toksA = \expandafter{\csname XR#1-lof\endcsname}% + % + % use the same \entry macro we use to generate the TOC and index. + \edef\writeentry{\noexpand\entry{\the\toksA}{\csname XR#1-pg\endcsname}}% + \writeentry +}} + + +\message{localization,} + +% For single-language documents, @documentlanguage is usually given very +% early, just after @documentencoding. Single argument is the language +% (de) or locale (de_DE) abbreviation. +% +{ + \catcode`\_ = \active + \globaldefs=1 +\parseargdef\documentlanguage{\begingroup + \let_=\normalunderscore % normal _ character for filenames + \tex % read txi-??.tex file in plain TeX. + % Read the file by the name they passed if it exists. + \openin 1 txi-#1.tex + \ifeof 1 + \documentlanguagetrywithoutunderscore{#1_\finish}% + \else + \globaldefs = 1 % everything in the txi-LL files needs to persist + \input txi-#1.tex + \fi + \closein 1 + \endgroup % end raw TeX +\endgroup} +% +% If they passed de_DE, and txi-de_DE.tex doesn't exist, +% try txi-de.tex. +% +\gdef\documentlanguagetrywithoutunderscore#1_#2\finish{% + \openin 1 txi-#1.tex + \ifeof 1 + \errhelp = \nolanghelp + \errmessage{Cannot read language file txi-#1.tex}% + \else + \globaldefs = 1 % everything in the txi-LL files needs to persist + \input txi-#1.tex + \fi + \closein 1 +} +}% end of special _ catcode +% +\newhelp\nolanghelp{The given language definition file cannot be found or +is empty. Maybe you need to install it? Putting it in the current +directory should work if nowhere else does.} + +% This macro is called from txi-??.tex files; the first argument is the +% \language name to set (without the "\lang@" prefix), the second and +% third args are \{left,right}hyphenmin. +% +% The language names to pass are determined when the format is built. +% See the etex.log file created at that time, e.g., +% /usr/local/texlive/2008/texmf-var/web2c/pdftex/etex.log. +% +% With TeX Live 2008, etex now includes hyphenation patterns for all +% available languages. This means we can support hyphenation in +% Texinfo, at least to some extent. (This still doesn't solve the +% accented characters problem.) +% +\catcode`@=11 +\def\txisetlanguage#1#2#3{% + % do not set the language if the name is undefined in the current TeX. + \expandafter\ifx\csname lang@#1\endcsname \relax + \message{no patterns for #1}% + \else + \global\language = \csname lang@#1\endcsname + \fi + % but there is no harm in adjusting the hyphenmin values regardless. + \global\lefthyphenmin = #2\relax + \global\righthyphenmin = #3\relax +} + +% Helpers for encodings. +% Set the catcode of characters 128 through 255 to the specified number. +% +\def\setnonasciicharscatcode#1{% + \count255=128 + \loop\ifnum\count255<256 + \global\catcode\count255=#1\relax + \advance\count255 by 1 + \repeat +} + +\def\setnonasciicharscatcodenonglobal#1{% + \count255=128 + \loop\ifnum\count255<256 + \catcode\count255=#1\relax + \advance\count255 by 1 + \repeat +} + +% @documentencoding sets the definition of non-ASCII characters +% according to the specified encoding. +% +\parseargdef\documentencoding{% + % Encoding being declared for the document. + \def\declaredencoding{\csname #1.enc\endcsname}% + % + % Supported encodings: names converted to tokens in order to be able + % to compare them with \ifx. + \def\ascii{\csname US-ASCII.enc\endcsname}% + \def\latnine{\csname ISO-8859-15.enc\endcsname}% + \def\latone{\csname ISO-8859-1.enc\endcsname}% + \def\lattwo{\csname ISO-8859-2.enc\endcsname}% + \def\utfeight{\csname UTF-8.enc\endcsname}% + % + \ifx \declaredencoding \ascii + \asciichardefs + % + \else \ifx \declaredencoding \lattwo + \setnonasciicharscatcode\active + \lattwochardefs + % + \else \ifx \declaredencoding \latone + \setnonasciicharscatcode\active + \latonechardefs + % + \else \ifx \declaredencoding \latnine + \setnonasciicharscatcode\active + \latninechardefs + % + \else \ifx \declaredencoding \utfeight + \setnonasciicharscatcode\active + \utfeightchardefs + % + \else + \message{Unknown document encoding #1, ignoring.}% + % + \fi % utfeight + \fi % latnine + \fi % latone + \fi % lattwo + \fi % ascii +} + +% A message to be logged when using a character that isn't available +% the default font encoding (OT1). +% +\def\missingcharmsg#1{\message{Character missing in OT1 encoding: #1.}} + +% Take account of \c (plain) vs. \, (Texinfo) difference. +\def\cedilla#1{\ifx\c\ptexc\c{#1}\else\,{#1}\fi} + +% First, make active non-ASCII characters in order for them to be +% correctly categorized when TeX reads the replacement text of +% macros containing the character definitions. +\setnonasciicharscatcode\active +% +% Latin1 (ISO-8859-1) character definitions. +\def\latonechardefs{% + \gdef^^a0{~} + \gdef^^a1{\exclamdown} + \gdef^^a2{\missingcharmsg{CENT SIGN}} + \gdef^^a3{{\pounds}} + \gdef^^a4{\missingcharmsg{CURRENCY SIGN}} + \gdef^^a5{\missingcharmsg{YEN SIGN}} + \gdef^^a6{\missingcharmsg{BROKEN BAR}} + \gdef^^a7{\S} + \gdef^^a8{\"{}} + \gdef^^a9{\copyright} + \gdef^^aa{\ordf} + \gdef^^ab{\guillemetleft} + \gdef^^ac{$\lnot$} + \gdef^^ad{\-} + \gdef^^ae{\registeredsymbol} + \gdef^^af{\={}} + % + \gdef^^b0{\textdegree} + \gdef^^b1{$\pm$} + \gdef^^b2{$^2$} + \gdef^^b3{$^3$} + \gdef^^b4{\'{}} + \gdef^^b5{$\mu$} + \gdef^^b6{\P} + % + \gdef^^b7{$^.$} + \gdef^^b8{\cedilla\ } + \gdef^^b9{$^1$} + \gdef^^ba{\ordm} + % + \gdef^^bb{\guilletright} + \gdef^^bc{$1\over4$} + \gdef^^bd{$1\over2$} + \gdef^^be{$3\over4$} + \gdef^^bf{\questiondown} + % + \gdef^^c0{\`A} + \gdef^^c1{\'A} + \gdef^^c2{\^A} + \gdef^^c3{\~A} + \gdef^^c4{\"A} + \gdef^^c5{\ringaccent A} + \gdef^^c6{\AE} + \gdef^^c7{\cedilla C} + \gdef^^c8{\`E} + \gdef^^c9{\'E} + \gdef^^ca{\^E} + \gdef^^cb{\"E} + \gdef^^cc{\`I} + \gdef^^cd{\'I} + \gdef^^ce{\^I} + \gdef^^cf{\"I} + % + \gdef^^d0{\DH} + \gdef^^d1{\~N} + \gdef^^d2{\`O} + \gdef^^d3{\'O} + \gdef^^d4{\^O} + \gdef^^d5{\~O} + \gdef^^d6{\"O} + \gdef^^d7{$\times$} + \gdef^^d8{\O} + \gdef^^d9{\`U} + \gdef^^da{\'U} + \gdef^^db{\^U} + \gdef^^dc{\"U} + \gdef^^dd{\'Y} + \gdef^^de{\TH} + \gdef^^df{\ss} + % + \gdef^^e0{\`a} + \gdef^^e1{\'a} + \gdef^^e2{\^a} + \gdef^^e3{\~a} + \gdef^^e4{\"a} + \gdef^^e5{\ringaccent a} + \gdef^^e6{\ae} + \gdef^^e7{\cedilla c} + \gdef^^e8{\`e} + \gdef^^e9{\'e} + \gdef^^ea{\^e} + \gdef^^eb{\"e} + \gdef^^ec{\`{\dotless i}} + \gdef^^ed{\'{\dotless i}} + \gdef^^ee{\^{\dotless i}} + \gdef^^ef{\"{\dotless i}} + % + \gdef^^f0{\dh} + \gdef^^f1{\~n} + \gdef^^f2{\`o} + \gdef^^f3{\'o} + \gdef^^f4{\^o} + \gdef^^f5{\~o} + \gdef^^f6{\"o} + \gdef^^f7{$\div$} + \gdef^^f8{\o} + \gdef^^f9{\`u} + \gdef^^fa{\'u} + \gdef^^fb{\^u} + \gdef^^fc{\"u} + \gdef^^fd{\'y} + \gdef^^fe{\th} + \gdef^^ff{\"y} +} + +% Latin9 (ISO-8859-15) encoding character definitions. +\def\latninechardefs{% + % Encoding is almost identical to Latin1. + \latonechardefs + % + \gdef^^a4{\euro} + \gdef^^a6{\v S} + \gdef^^a8{\v s} + \gdef^^b4{\v Z} + \gdef^^b8{\v z} + \gdef^^bc{\OE} + \gdef^^bd{\oe} + \gdef^^be{\"Y} +} + +% Latin2 (ISO-8859-2) character definitions. +\def\lattwochardefs{% + \gdef^^a0{~} + \gdef^^a1{\ogonek{A}} + \gdef^^a2{\u{}} + \gdef^^a3{\L} + \gdef^^a4{\missingcharmsg{CURRENCY SIGN}} + \gdef^^a5{\v L} + \gdef^^a6{\'S} + \gdef^^a7{\S} + \gdef^^a8{\"{}} + \gdef^^a9{\v S} + \gdef^^aa{\cedilla S} + \gdef^^ab{\v T} + \gdef^^ac{\'Z} + \gdef^^ad{\-} + \gdef^^ae{\v Z} + \gdef^^af{\dotaccent Z} + % + \gdef^^b0{\textdegree} + \gdef^^b1{\ogonek{a}} + \gdef^^b2{\ogonek{ }} + \gdef^^b3{\l} + \gdef^^b4{\'{}} + \gdef^^b5{\v l} + \gdef^^b6{\'s} + \gdef^^b7{\v{}} + \gdef^^b8{\cedilla\ } + \gdef^^b9{\v s} + \gdef^^ba{\cedilla s} + \gdef^^bb{\v t} + \gdef^^bc{\'z} + \gdef^^bd{\H{}} + \gdef^^be{\v z} + \gdef^^bf{\dotaccent z} + % + \gdef^^c0{\'R} + \gdef^^c1{\'A} + \gdef^^c2{\^A} + \gdef^^c3{\u A} + \gdef^^c4{\"A} + \gdef^^c5{\'L} + \gdef^^c6{\'C} + \gdef^^c7{\cedilla C} + \gdef^^c8{\v C} + \gdef^^c9{\'E} + \gdef^^ca{\ogonek{E}} + \gdef^^cb{\"E} + \gdef^^cc{\v E} + \gdef^^cd{\'I} + \gdef^^ce{\^I} + \gdef^^cf{\v D} + % + \gdef^^d0{\DH} + \gdef^^d1{\'N} + \gdef^^d2{\v N} + \gdef^^d3{\'O} + \gdef^^d4{\^O} + \gdef^^d5{\H O} + \gdef^^d6{\"O} + \gdef^^d7{$\times$} + \gdef^^d8{\v R} + \gdef^^d9{\ringaccent U} + \gdef^^da{\'U} + \gdef^^db{\H U} + \gdef^^dc{\"U} + \gdef^^dd{\'Y} + \gdef^^de{\cedilla T} + \gdef^^df{\ss} + % + \gdef^^e0{\'r} + \gdef^^e1{\'a} + \gdef^^e2{\^a} + \gdef^^e3{\u a} + \gdef^^e4{\"a} + \gdef^^e5{\'l} + \gdef^^e6{\'c} + \gdef^^e7{\cedilla c} + \gdef^^e8{\v c} + \gdef^^e9{\'e} + \gdef^^ea{\ogonek{e}} + \gdef^^eb{\"e} + \gdef^^ec{\v e} + \gdef^^ed{\'\i} + \gdef^^ee{\^\i} + \gdef^^ef{\v d} + % + \gdef^^f0{\dh} + \gdef^^f1{\'n} + \gdef^^f2{\v n} + \gdef^^f3{\'o} + \gdef^^f4{\^o} + \gdef^^f5{\H o} + \gdef^^f6{\"o} + \gdef^^f7{$\div$} + \gdef^^f8{\v r} + \gdef^^f9{\ringaccent u} + \gdef^^fa{\'u} + \gdef^^fb{\H u} + \gdef^^fc{\"u} + \gdef^^fd{\'y} + \gdef^^fe{\cedilla t} + \gdef^^ff{\dotaccent{}} +} + +% UTF-8 character definitions. +% +% This code to support UTF-8 is based on LaTeX's utf8.def, with some +% changes for Texinfo conventions. It is included here under the GPL by +% permission from Frank Mittelbach and the LaTeX team. +% +\newcount\countUTFx +\newcount\countUTFy +\newcount\countUTFz + +\gdef\UTFviiiTwoOctets#1#2{\expandafter + \UTFviiiDefined\csname u8:#1\string #2\endcsname} +% +\gdef\UTFviiiThreeOctets#1#2#3{\expandafter + \UTFviiiDefined\csname u8:#1\string #2\string #3\endcsname} +% +\gdef\UTFviiiFourOctets#1#2#3#4{\expandafter + \UTFviiiDefined\csname u8:#1\string #2\string #3\string #4\endcsname} + +\gdef\UTFviiiDefined#1{% + \ifx #1\relax + \message{\linenumber Unicode char \string #1 not defined for Texinfo}% + \else + \expandafter #1% + \fi +} + +\begingroup + \catcode`\~13 + \catcode`\"12 + + \def\UTFviiiLoop{% + \global\catcode\countUTFx\active + \uccode`\~\countUTFx + \uppercase\expandafter{\UTFviiiTmp}% + \advance\countUTFx by 1 + \ifnum\countUTFx < \countUTFy + \expandafter\UTFviiiLoop + \fi} + + \countUTFx = "C2 + \countUTFy = "E0 + \def\UTFviiiTmp{% + \xdef~{\noexpand\UTFviiiTwoOctets\string~}} + \UTFviiiLoop + + \countUTFx = "E0 + \countUTFy = "F0 + \def\UTFviiiTmp{% + \xdef~{\noexpand\UTFviiiThreeOctets\string~}} + \UTFviiiLoop + + \countUTFx = "F0 + \countUTFy = "F4 + \def\UTFviiiTmp{% + \xdef~{\noexpand\UTFviiiFourOctets\string~}} + \UTFviiiLoop +\endgroup + +\begingroup + \catcode`\"=12 + \catcode`\<=12 + \catcode`\.=12 + \catcode`\,=12 + \catcode`\;=12 + \catcode`\!=12 + \catcode`\~=13 + + \gdef\DeclareUnicodeCharacter#1#2{% + \countUTFz = "#1\relax + \wlog{\space\space defining Unicode char U+#1 (decimal \the\countUTFz)}% + \begingroup + \parseXMLCharref + \def\UTFviiiTwoOctets##1##2{% + \csname u8:##1\string ##2\endcsname}% + \def\UTFviiiThreeOctets##1##2##3{% + \csname u8:##1\string ##2\string ##3\endcsname}% + \def\UTFviiiFourOctets##1##2##3##4{% + \csname u8:##1\string ##2\string ##3\string ##4\endcsname}% + \expandafter\expandafter\expandafter\expandafter + \expandafter\expandafter\expandafter + \gdef\UTFviiiTmp{#2}% + \endgroup} + + \gdef\parseXMLCharref{% + \ifnum\countUTFz < "A0\relax + \errhelp = \EMsimple + \errmessage{Cannot define Unicode char value < 00A0}% + \else\ifnum\countUTFz < "800\relax + \parseUTFviiiA,% + \parseUTFviiiB C\UTFviiiTwoOctets.,% + \else\ifnum\countUTFz < "10000\relax + \parseUTFviiiA;% + \parseUTFviiiA,% + \parseUTFviiiB E\UTFviiiThreeOctets.{,;}% + \else + \parseUTFviiiA;% + \parseUTFviiiA,% + \parseUTFviiiA!% + \parseUTFviiiB F\UTFviiiFourOctets.{!,;}% + \fi\fi\fi + } + + \gdef\parseUTFviiiA#1{% + \countUTFx = \countUTFz + \divide\countUTFz by 64 + \countUTFy = \countUTFz + \multiply\countUTFz by 64 + \advance\countUTFx by -\countUTFz + \advance\countUTFx by 128 + \uccode `#1\countUTFx + \countUTFz = \countUTFy} + + \gdef\parseUTFviiiB#1#2#3#4{% + \advance\countUTFz by "#10\relax + \uccode `#3\countUTFz + \uppercase{\gdef\UTFviiiTmp{#2#3#4}}} +\endgroup + +\def\utfeightchardefs{% + \DeclareUnicodeCharacter{00A0}{\tie} + \DeclareUnicodeCharacter{00A1}{\exclamdown} + \DeclareUnicodeCharacter{00A3}{\pounds} + \DeclareUnicodeCharacter{00A8}{\"{ }} + \DeclareUnicodeCharacter{00A9}{\copyright} + \DeclareUnicodeCharacter{00AA}{\ordf} + \DeclareUnicodeCharacter{00AB}{\guillemetleft} + \DeclareUnicodeCharacter{00AD}{\-} + \DeclareUnicodeCharacter{00AE}{\registeredsymbol} + \DeclareUnicodeCharacter{00AF}{\={ }} + + \DeclareUnicodeCharacter{00B0}{\ringaccent{ }} + \DeclareUnicodeCharacter{00B4}{\'{ }} + \DeclareUnicodeCharacter{00B8}{\cedilla{ }} + \DeclareUnicodeCharacter{00BA}{\ordm} + \DeclareUnicodeCharacter{00BB}{\guillemetright} + \DeclareUnicodeCharacter{00BF}{\questiondown} + + \DeclareUnicodeCharacter{00C0}{\`A} + \DeclareUnicodeCharacter{00C1}{\'A} + \DeclareUnicodeCharacter{00C2}{\^A} + \DeclareUnicodeCharacter{00C3}{\~A} + \DeclareUnicodeCharacter{00C4}{\"A} + \DeclareUnicodeCharacter{00C5}{\AA} + \DeclareUnicodeCharacter{00C6}{\AE} + \DeclareUnicodeCharacter{00C7}{\cedilla{C}} + \DeclareUnicodeCharacter{00C8}{\`E} + \DeclareUnicodeCharacter{00C9}{\'E} + \DeclareUnicodeCharacter{00CA}{\^E} + \DeclareUnicodeCharacter{00CB}{\"E} + \DeclareUnicodeCharacter{00CC}{\`I} + \DeclareUnicodeCharacter{00CD}{\'I} + \DeclareUnicodeCharacter{00CE}{\^I} + \DeclareUnicodeCharacter{00CF}{\"I} + + \DeclareUnicodeCharacter{00D0}{\DH} + \DeclareUnicodeCharacter{00D1}{\~N} + \DeclareUnicodeCharacter{00D2}{\`O} + \DeclareUnicodeCharacter{00D3}{\'O} + \DeclareUnicodeCharacter{00D4}{\^O} + \DeclareUnicodeCharacter{00D5}{\~O} + \DeclareUnicodeCharacter{00D6}{\"O} + \DeclareUnicodeCharacter{00D8}{\O} + \DeclareUnicodeCharacter{00D9}{\`U} + \DeclareUnicodeCharacter{00DA}{\'U} + \DeclareUnicodeCharacter{00DB}{\^U} + \DeclareUnicodeCharacter{00DC}{\"U} + \DeclareUnicodeCharacter{00DD}{\'Y} + \DeclareUnicodeCharacter{00DE}{\TH} + \DeclareUnicodeCharacter{00DF}{\ss} + + \DeclareUnicodeCharacter{00E0}{\`a} + \DeclareUnicodeCharacter{00E1}{\'a} + \DeclareUnicodeCharacter{00E2}{\^a} + \DeclareUnicodeCharacter{00E3}{\~a} + \DeclareUnicodeCharacter{00E4}{\"a} + \DeclareUnicodeCharacter{00E5}{\aa} + \DeclareUnicodeCharacter{00E6}{\ae} + \DeclareUnicodeCharacter{00E7}{\cedilla{c}} + \DeclareUnicodeCharacter{00E8}{\`e} + \DeclareUnicodeCharacter{00E9}{\'e} + \DeclareUnicodeCharacter{00EA}{\^e} + \DeclareUnicodeCharacter{00EB}{\"e} + \DeclareUnicodeCharacter{00EC}{\`{\dotless{i}}} + \DeclareUnicodeCharacter{00ED}{\'{\dotless{i}}} + \DeclareUnicodeCharacter{00EE}{\^{\dotless{i}}} + \DeclareUnicodeCharacter{00EF}{\"{\dotless{i}}} + + \DeclareUnicodeCharacter{00F0}{\dh} + \DeclareUnicodeCharacter{00F1}{\~n} + \DeclareUnicodeCharacter{00F2}{\`o} + \DeclareUnicodeCharacter{00F3}{\'o} + \DeclareUnicodeCharacter{00F4}{\^o} + \DeclareUnicodeCharacter{00F5}{\~o} + \DeclareUnicodeCharacter{00F6}{\"o} + \DeclareUnicodeCharacter{00F8}{\o} + \DeclareUnicodeCharacter{00F9}{\`u} + \DeclareUnicodeCharacter{00FA}{\'u} + \DeclareUnicodeCharacter{00FB}{\^u} + \DeclareUnicodeCharacter{00FC}{\"u} + \DeclareUnicodeCharacter{00FD}{\'y} + \DeclareUnicodeCharacter{00FE}{\th} + \DeclareUnicodeCharacter{00FF}{\"y} + + \DeclareUnicodeCharacter{0100}{\=A} + \DeclareUnicodeCharacter{0101}{\=a} + \DeclareUnicodeCharacter{0102}{\u{A}} + \DeclareUnicodeCharacter{0103}{\u{a}} + \DeclareUnicodeCharacter{0104}{\ogonek{A}} + \DeclareUnicodeCharacter{0105}{\ogonek{a}} + \DeclareUnicodeCharacter{0106}{\'C} + \DeclareUnicodeCharacter{0107}{\'c} + \DeclareUnicodeCharacter{0108}{\^C} + \DeclareUnicodeCharacter{0109}{\^c} + \DeclareUnicodeCharacter{0118}{\ogonek{E}} + \DeclareUnicodeCharacter{0119}{\ogonek{e}} + \DeclareUnicodeCharacter{010A}{\dotaccent{C}} + \DeclareUnicodeCharacter{010B}{\dotaccent{c}} + \DeclareUnicodeCharacter{010C}{\v{C}} + \DeclareUnicodeCharacter{010D}{\v{c}} + \DeclareUnicodeCharacter{010E}{\v{D}} + + \DeclareUnicodeCharacter{0112}{\=E} + \DeclareUnicodeCharacter{0113}{\=e} + \DeclareUnicodeCharacter{0114}{\u{E}} + \DeclareUnicodeCharacter{0115}{\u{e}} + \DeclareUnicodeCharacter{0116}{\dotaccent{E}} + \DeclareUnicodeCharacter{0117}{\dotaccent{e}} + \DeclareUnicodeCharacter{011A}{\v{E}} + \DeclareUnicodeCharacter{011B}{\v{e}} + \DeclareUnicodeCharacter{011C}{\^G} + \DeclareUnicodeCharacter{011D}{\^g} + \DeclareUnicodeCharacter{011E}{\u{G}} + \DeclareUnicodeCharacter{011F}{\u{g}} + + \DeclareUnicodeCharacter{0120}{\dotaccent{G}} + \DeclareUnicodeCharacter{0121}{\dotaccent{g}} + \DeclareUnicodeCharacter{0124}{\^H} + \DeclareUnicodeCharacter{0125}{\^h} + \DeclareUnicodeCharacter{0128}{\~I} + \DeclareUnicodeCharacter{0129}{\~{\dotless{i}}} + \DeclareUnicodeCharacter{012A}{\=I} + \DeclareUnicodeCharacter{012B}{\={\dotless{i}}} + \DeclareUnicodeCharacter{012C}{\u{I}} + \DeclareUnicodeCharacter{012D}{\u{\dotless{i}}} + + \DeclareUnicodeCharacter{0130}{\dotaccent{I}} + \DeclareUnicodeCharacter{0131}{\dotless{i}} + \DeclareUnicodeCharacter{0132}{IJ} + \DeclareUnicodeCharacter{0133}{ij} + \DeclareUnicodeCharacter{0134}{\^J} + \DeclareUnicodeCharacter{0135}{\^{\dotless{j}}} + \DeclareUnicodeCharacter{0139}{\'L} + \DeclareUnicodeCharacter{013A}{\'l} + + \DeclareUnicodeCharacter{0141}{\L} + \DeclareUnicodeCharacter{0142}{\l} + \DeclareUnicodeCharacter{0143}{\'N} + \DeclareUnicodeCharacter{0144}{\'n} + \DeclareUnicodeCharacter{0147}{\v{N}} + \DeclareUnicodeCharacter{0148}{\v{n}} + \DeclareUnicodeCharacter{014C}{\=O} + \DeclareUnicodeCharacter{014D}{\=o} + \DeclareUnicodeCharacter{014E}{\u{O}} + \DeclareUnicodeCharacter{014F}{\u{o}} + + \DeclareUnicodeCharacter{0150}{\H{O}} + \DeclareUnicodeCharacter{0151}{\H{o}} + \DeclareUnicodeCharacter{0152}{\OE} + \DeclareUnicodeCharacter{0153}{\oe} + \DeclareUnicodeCharacter{0154}{\'R} + \DeclareUnicodeCharacter{0155}{\'r} + \DeclareUnicodeCharacter{0158}{\v{R}} + \DeclareUnicodeCharacter{0159}{\v{r}} + \DeclareUnicodeCharacter{015A}{\'S} + \DeclareUnicodeCharacter{015B}{\'s} + \DeclareUnicodeCharacter{015C}{\^S} + \DeclareUnicodeCharacter{015D}{\^s} + \DeclareUnicodeCharacter{015E}{\cedilla{S}} + \DeclareUnicodeCharacter{015F}{\cedilla{s}} + + \DeclareUnicodeCharacter{0160}{\v{S}} + \DeclareUnicodeCharacter{0161}{\v{s}} + \DeclareUnicodeCharacter{0162}{\cedilla{t}} + \DeclareUnicodeCharacter{0163}{\cedilla{T}} + \DeclareUnicodeCharacter{0164}{\v{T}} + + \DeclareUnicodeCharacter{0168}{\~U} + \DeclareUnicodeCharacter{0169}{\~u} + \DeclareUnicodeCharacter{016A}{\=U} + \DeclareUnicodeCharacter{016B}{\=u} + \DeclareUnicodeCharacter{016C}{\u{U}} + \DeclareUnicodeCharacter{016D}{\u{u}} + \DeclareUnicodeCharacter{016E}{\ringaccent{U}} + \DeclareUnicodeCharacter{016F}{\ringaccent{u}} + + \DeclareUnicodeCharacter{0170}{\H{U}} + \DeclareUnicodeCharacter{0171}{\H{u}} + \DeclareUnicodeCharacter{0174}{\^W} + \DeclareUnicodeCharacter{0175}{\^w} + \DeclareUnicodeCharacter{0176}{\^Y} + \DeclareUnicodeCharacter{0177}{\^y} + \DeclareUnicodeCharacter{0178}{\"Y} + \DeclareUnicodeCharacter{0179}{\'Z} + \DeclareUnicodeCharacter{017A}{\'z} + \DeclareUnicodeCharacter{017B}{\dotaccent{Z}} + \DeclareUnicodeCharacter{017C}{\dotaccent{z}} + \DeclareUnicodeCharacter{017D}{\v{Z}} + \DeclareUnicodeCharacter{017E}{\v{z}} + + \DeclareUnicodeCharacter{01C4}{D\v{Z}} + \DeclareUnicodeCharacter{01C5}{D\v{z}} + \DeclareUnicodeCharacter{01C6}{d\v{z}} + \DeclareUnicodeCharacter{01C7}{LJ} + \DeclareUnicodeCharacter{01C8}{Lj} + \DeclareUnicodeCharacter{01C9}{lj} + \DeclareUnicodeCharacter{01CA}{NJ} + \DeclareUnicodeCharacter{01CB}{Nj} + \DeclareUnicodeCharacter{01CC}{nj} + \DeclareUnicodeCharacter{01CD}{\v{A}} + \DeclareUnicodeCharacter{01CE}{\v{a}} + \DeclareUnicodeCharacter{01CF}{\v{I}} + + \DeclareUnicodeCharacter{01D0}{\v{\dotless{i}}} + \DeclareUnicodeCharacter{01D1}{\v{O}} + \DeclareUnicodeCharacter{01D2}{\v{o}} + \DeclareUnicodeCharacter{01D3}{\v{U}} + \DeclareUnicodeCharacter{01D4}{\v{u}} + + \DeclareUnicodeCharacter{01E2}{\={\AE}} + \DeclareUnicodeCharacter{01E3}{\={\ae}} + \DeclareUnicodeCharacter{01E6}{\v{G}} + \DeclareUnicodeCharacter{01E7}{\v{g}} + \DeclareUnicodeCharacter{01E8}{\v{K}} + \DeclareUnicodeCharacter{01E9}{\v{k}} + + \DeclareUnicodeCharacter{01F0}{\v{\dotless{j}}} + \DeclareUnicodeCharacter{01F1}{DZ} + \DeclareUnicodeCharacter{01F2}{Dz} + \DeclareUnicodeCharacter{01F3}{dz} + \DeclareUnicodeCharacter{01F4}{\'G} + \DeclareUnicodeCharacter{01F5}{\'g} + \DeclareUnicodeCharacter{01F8}{\`N} + \DeclareUnicodeCharacter{01F9}{\`n} + \DeclareUnicodeCharacter{01FC}{\'{\AE}} + \DeclareUnicodeCharacter{01FD}{\'{\ae}} + \DeclareUnicodeCharacter{01FE}{\'{\O}} + \DeclareUnicodeCharacter{01FF}{\'{\o}} + + \DeclareUnicodeCharacter{021E}{\v{H}} + \DeclareUnicodeCharacter{021F}{\v{h}} + + \DeclareUnicodeCharacter{0226}{\dotaccent{A}} + \DeclareUnicodeCharacter{0227}{\dotaccent{a}} + \DeclareUnicodeCharacter{0228}{\cedilla{E}} + \DeclareUnicodeCharacter{0229}{\cedilla{e}} + \DeclareUnicodeCharacter{022E}{\dotaccent{O}} + \DeclareUnicodeCharacter{022F}{\dotaccent{o}} + + \DeclareUnicodeCharacter{0232}{\=Y} + \DeclareUnicodeCharacter{0233}{\=y} + \DeclareUnicodeCharacter{0237}{\dotless{j}} + + \DeclareUnicodeCharacter{02DB}{\ogonek{ }} + + \DeclareUnicodeCharacter{1E02}{\dotaccent{B}} + \DeclareUnicodeCharacter{1E03}{\dotaccent{b}} + \DeclareUnicodeCharacter{1E04}{\udotaccent{B}} + \DeclareUnicodeCharacter{1E05}{\udotaccent{b}} + \DeclareUnicodeCharacter{1E06}{\ubaraccent{B}} + \DeclareUnicodeCharacter{1E07}{\ubaraccent{b}} + \DeclareUnicodeCharacter{1E0A}{\dotaccent{D}} + \DeclareUnicodeCharacter{1E0B}{\dotaccent{d}} + \DeclareUnicodeCharacter{1E0C}{\udotaccent{D}} + \DeclareUnicodeCharacter{1E0D}{\udotaccent{d}} + \DeclareUnicodeCharacter{1E0E}{\ubaraccent{D}} + \DeclareUnicodeCharacter{1E0F}{\ubaraccent{d}} + + \DeclareUnicodeCharacter{1E1E}{\dotaccent{F}} + \DeclareUnicodeCharacter{1E1F}{\dotaccent{f}} + + \DeclareUnicodeCharacter{1E20}{\=G} + \DeclareUnicodeCharacter{1E21}{\=g} + \DeclareUnicodeCharacter{1E22}{\dotaccent{H}} + \DeclareUnicodeCharacter{1E23}{\dotaccent{h}} + \DeclareUnicodeCharacter{1E24}{\udotaccent{H}} + \DeclareUnicodeCharacter{1E25}{\udotaccent{h}} + \DeclareUnicodeCharacter{1E26}{\"H} + \DeclareUnicodeCharacter{1E27}{\"h} + + \DeclareUnicodeCharacter{1E30}{\'K} + \DeclareUnicodeCharacter{1E31}{\'k} + \DeclareUnicodeCharacter{1E32}{\udotaccent{K}} + \DeclareUnicodeCharacter{1E33}{\udotaccent{k}} + \DeclareUnicodeCharacter{1E34}{\ubaraccent{K}} + \DeclareUnicodeCharacter{1E35}{\ubaraccent{k}} + \DeclareUnicodeCharacter{1E36}{\udotaccent{L}} + \DeclareUnicodeCharacter{1E37}{\udotaccent{l}} + \DeclareUnicodeCharacter{1E3A}{\ubaraccent{L}} + \DeclareUnicodeCharacter{1E3B}{\ubaraccent{l}} + \DeclareUnicodeCharacter{1E3E}{\'M} + \DeclareUnicodeCharacter{1E3F}{\'m} + + \DeclareUnicodeCharacter{1E40}{\dotaccent{M}} + \DeclareUnicodeCharacter{1E41}{\dotaccent{m}} + \DeclareUnicodeCharacter{1E42}{\udotaccent{M}} + \DeclareUnicodeCharacter{1E43}{\udotaccent{m}} + \DeclareUnicodeCharacter{1E44}{\dotaccent{N}} + \DeclareUnicodeCharacter{1E45}{\dotaccent{n}} + \DeclareUnicodeCharacter{1E46}{\udotaccent{N}} + \DeclareUnicodeCharacter{1E47}{\udotaccent{n}} + \DeclareUnicodeCharacter{1E48}{\ubaraccent{N}} + \DeclareUnicodeCharacter{1E49}{\ubaraccent{n}} + + \DeclareUnicodeCharacter{1E54}{\'P} + \DeclareUnicodeCharacter{1E55}{\'p} + \DeclareUnicodeCharacter{1E56}{\dotaccent{P}} + \DeclareUnicodeCharacter{1E57}{\dotaccent{p}} + \DeclareUnicodeCharacter{1E58}{\dotaccent{R}} + \DeclareUnicodeCharacter{1E59}{\dotaccent{r}} + \DeclareUnicodeCharacter{1E5A}{\udotaccent{R}} + \DeclareUnicodeCharacter{1E5B}{\udotaccent{r}} + \DeclareUnicodeCharacter{1E5E}{\ubaraccent{R}} + \DeclareUnicodeCharacter{1E5F}{\ubaraccent{r}} + + \DeclareUnicodeCharacter{1E60}{\dotaccent{S}} + \DeclareUnicodeCharacter{1E61}{\dotaccent{s}} + \DeclareUnicodeCharacter{1E62}{\udotaccent{S}} + \DeclareUnicodeCharacter{1E63}{\udotaccent{s}} + \DeclareUnicodeCharacter{1E6A}{\dotaccent{T}} + \DeclareUnicodeCharacter{1E6B}{\dotaccent{t}} + \DeclareUnicodeCharacter{1E6C}{\udotaccent{T}} + \DeclareUnicodeCharacter{1E6D}{\udotaccent{t}} + \DeclareUnicodeCharacter{1E6E}{\ubaraccent{T}} + \DeclareUnicodeCharacter{1E6F}{\ubaraccent{t}} + + \DeclareUnicodeCharacter{1E7C}{\~V} + \DeclareUnicodeCharacter{1E7D}{\~v} + \DeclareUnicodeCharacter{1E7E}{\udotaccent{V}} + \DeclareUnicodeCharacter{1E7F}{\udotaccent{v}} + + \DeclareUnicodeCharacter{1E80}{\`W} + \DeclareUnicodeCharacter{1E81}{\`w} + \DeclareUnicodeCharacter{1E82}{\'W} + \DeclareUnicodeCharacter{1E83}{\'w} + \DeclareUnicodeCharacter{1E84}{\"W} + \DeclareUnicodeCharacter{1E85}{\"w} + \DeclareUnicodeCharacter{1E86}{\dotaccent{W}} + \DeclareUnicodeCharacter{1E87}{\dotaccent{w}} + \DeclareUnicodeCharacter{1E88}{\udotaccent{W}} + \DeclareUnicodeCharacter{1E89}{\udotaccent{w}} + \DeclareUnicodeCharacter{1E8A}{\dotaccent{X}} + \DeclareUnicodeCharacter{1E8B}{\dotaccent{x}} + \DeclareUnicodeCharacter{1E8C}{\"X} + \DeclareUnicodeCharacter{1E8D}{\"x} + \DeclareUnicodeCharacter{1E8E}{\dotaccent{Y}} + \DeclareUnicodeCharacter{1E8F}{\dotaccent{y}} + + \DeclareUnicodeCharacter{1E90}{\^Z} + \DeclareUnicodeCharacter{1E91}{\^z} + \DeclareUnicodeCharacter{1E92}{\udotaccent{Z}} + \DeclareUnicodeCharacter{1E93}{\udotaccent{z}} + \DeclareUnicodeCharacter{1E94}{\ubaraccent{Z}} + \DeclareUnicodeCharacter{1E95}{\ubaraccent{z}} + \DeclareUnicodeCharacter{1E96}{\ubaraccent{h}} + \DeclareUnicodeCharacter{1E97}{\"t} + \DeclareUnicodeCharacter{1E98}{\ringaccent{w}} + \DeclareUnicodeCharacter{1E99}{\ringaccent{y}} + + \DeclareUnicodeCharacter{1EA0}{\udotaccent{A}} + \DeclareUnicodeCharacter{1EA1}{\udotaccent{a}} + + \DeclareUnicodeCharacter{1EB8}{\udotaccent{E}} + \DeclareUnicodeCharacter{1EB9}{\udotaccent{e}} + \DeclareUnicodeCharacter{1EBC}{\~E} + \DeclareUnicodeCharacter{1EBD}{\~e} + + \DeclareUnicodeCharacter{1ECA}{\udotaccent{I}} + \DeclareUnicodeCharacter{1ECB}{\udotaccent{i}} + \DeclareUnicodeCharacter{1ECC}{\udotaccent{O}} + \DeclareUnicodeCharacter{1ECD}{\udotaccent{o}} + + \DeclareUnicodeCharacter{1EE4}{\udotaccent{U}} + \DeclareUnicodeCharacter{1EE5}{\udotaccent{u}} + + \DeclareUnicodeCharacter{1EF2}{\`Y} + \DeclareUnicodeCharacter{1EF3}{\`y} + \DeclareUnicodeCharacter{1EF4}{\udotaccent{Y}} + + \DeclareUnicodeCharacter{1EF8}{\~Y} + \DeclareUnicodeCharacter{1EF9}{\~y} + + \DeclareUnicodeCharacter{2013}{--} + \DeclareUnicodeCharacter{2014}{---} + \DeclareUnicodeCharacter{2018}{\quoteleft} + \DeclareUnicodeCharacter{2019}{\quoteright} + \DeclareUnicodeCharacter{201A}{\quotesinglbase} + \DeclareUnicodeCharacter{201C}{\quotedblleft} + \DeclareUnicodeCharacter{201D}{\quotedblright} + \DeclareUnicodeCharacter{201E}{\quotedblbase} + \DeclareUnicodeCharacter{2022}{\bullet} + \DeclareUnicodeCharacter{2026}{\dots} + \DeclareUnicodeCharacter{2039}{\guilsinglleft} + \DeclareUnicodeCharacter{203A}{\guilsinglright} + \DeclareUnicodeCharacter{20AC}{\euro} + + \DeclareUnicodeCharacter{2192}{\expansion} + \DeclareUnicodeCharacter{21D2}{\result} + + \DeclareUnicodeCharacter{2212}{\minus} + \DeclareUnicodeCharacter{2217}{\point} + \DeclareUnicodeCharacter{2261}{\equiv} +}% end of \utfeightchardefs + + +% US-ASCII character definitions. +\def\asciichardefs{% nothing need be done + \relax +} + +% Make non-ASCII characters printable again for compatibility with +% existing Texinfo documents that may use them, even without declaring a +% document encoding. +% +\setnonasciicharscatcode \other + + +\message{formatting,} + +\newdimen\defaultparindent \defaultparindent = 15pt + +\chapheadingskip = 15pt plus 4pt minus 2pt +\secheadingskip = 12pt plus 3pt minus 2pt +\subsecheadingskip = 9pt plus 2pt minus 2pt + +% Prevent underfull vbox error messages. +\vbadness = 10000 + +% Don't be so finicky about underfull hboxes, either. +\hbadness = 2000 + +% Following George Bush, get rid of widows and orphans. +\widowpenalty=10000 +\clubpenalty=10000 + +% Use TeX 3.0's \emergencystretch to help line breaking, but if we're +% using an old version of TeX, don't do anything. We want the amount of +% stretch added to depend on the line length, hence the dependence on +% \hsize. We call this whenever the paper size is set. +% +\def\setemergencystretch{% + \ifx\emergencystretch\thisisundefined + % Allow us to assign to \emergencystretch anyway. + \def\emergencystretch{\dimen0}% + \else + \emergencystretch = .15\hsize + \fi +} + +% Parameters in order: 1) textheight; 2) textwidth; +% 3) voffset; 4) hoffset; 5) binding offset; 6) topskip; +% 7) physical page height; 8) physical page width. +% +% We also call \setleading{\textleading}, so the caller should define +% \textleading. The caller should also set \parskip. +% +\def\internalpagesizes#1#2#3#4#5#6#7#8{% + \voffset = #3\relax + \topskip = #6\relax + \splittopskip = \topskip + % + \vsize = #1\relax + \advance\vsize by \topskip + \outervsize = \vsize + \advance\outervsize by 2\topandbottommargin + \pageheight = \vsize + % + \hsize = #2\relax + \outerhsize = \hsize + \advance\outerhsize by 0.5in + \pagewidth = \hsize + % + \normaloffset = #4\relax + \bindingoffset = #5\relax + % + \ifpdf + \pdfpageheight #7\relax + \pdfpagewidth #8\relax + % if we don't reset these, they will remain at "1 true in" of + % whatever layout pdftex was dumped with. + \pdfhorigin = 1 true in + \pdfvorigin = 1 true in + \fi + % + \setleading{\textleading} + % + \parindent = \defaultparindent + \setemergencystretch +} + +% @letterpaper (the default). +\def\letterpaper{{\globaldefs = 1 + \parskip = 3pt plus 2pt minus 1pt + \textleading = 13.2pt + % + % If page is nothing but text, make it come out even. + \internalpagesizes{607.2pt}{6in}% that's 46 lines + {\voffset}{.25in}% + {\bindingoffset}{36pt}% + {11in}{8.5in}% +}} + +% Use @smallbook to reset parameters for 7x9.25 trim size. +\def\smallbook{{\globaldefs = 1 + \parskip = 2pt plus 1pt + \textleading = 12pt + % + \internalpagesizes{7.5in}{5in}% + {-.2in}{0in}% + {\bindingoffset}{16pt}% + {9.25in}{7in}% + % + \lispnarrowing = 0.3in + \tolerance = 700 + \hfuzz = 1pt + \contentsrightmargin = 0pt + \defbodyindent = .5cm +}} + +% Use @smallerbook to reset parameters for 6x9 trim size. +% (Just testing, parameters still in flux.) +\def\smallerbook{{\globaldefs = 1 + \parskip = 1.5pt plus 1pt + \textleading = 12pt + % + \internalpagesizes{7.4in}{4.8in}% + {-.2in}{-.4in}% + {0pt}{14pt}% + {9in}{6in}% + % + \lispnarrowing = 0.25in + \tolerance = 700 + \hfuzz = 1pt + \contentsrightmargin = 0pt + \defbodyindent = .4cm +}} + +% Use @afourpaper to print on European A4 paper. +\def\afourpaper{{\globaldefs = 1 + \parskip = 3pt plus 2pt minus 1pt + \textleading = 13.2pt + % + % Double-side printing via postscript on Laserjet 4050 + % prints double-sided nicely when \bindingoffset=10mm and \hoffset=-6mm. + % To change the settings for a different printer or situation, adjust + % \normaloffset until the front-side and back-side texts align. Then + % do the same for \bindingoffset. You can set these for testing in + % your texinfo source file like this: + % @tex + % \global\normaloffset = -6mm + % \global\bindingoffset = 10mm + % @end tex + \internalpagesizes{673.2pt}{160mm}% that's 51 lines + {\voffset}{\hoffset}% + {\bindingoffset}{44pt}% + {297mm}{210mm}% + % + \tolerance = 700 + \hfuzz = 1pt + \contentsrightmargin = 0pt + \defbodyindent = 5mm +}} + +% Use @afivepaper to print on European A5 paper. +% From romildo@urano.iceb.ufop.br, 2 July 2000. +% He also recommends making @example and @lisp be small. +\def\afivepaper{{\globaldefs = 1 + \parskip = 2pt plus 1pt minus 0.1pt + \textleading = 12.5pt + % + \internalpagesizes{160mm}{120mm}% + {\voffset}{\hoffset}% + {\bindingoffset}{8pt}% + {210mm}{148mm}% + % + \lispnarrowing = 0.2in + \tolerance = 800 + \hfuzz = 1.2pt + \contentsrightmargin = 0pt + \defbodyindent = 2mm + \tableindent = 12mm +}} + +% A specific text layout, 24x15cm overall, intended for A4 paper. +\def\afourlatex{{\globaldefs = 1 + \afourpaper + \internalpagesizes{237mm}{150mm}% + {\voffset}{4.6mm}% + {\bindingoffset}{7mm}% + {297mm}{210mm}% + % + % Must explicitly reset to 0 because we call \afourpaper. + \globaldefs = 0 +}} + +% Use @afourwide to print on A4 paper in landscape format. +\def\afourwide{{\globaldefs = 1 + \afourpaper + \internalpagesizes{241mm}{165mm}% + {\voffset}{-2.95mm}% + {\bindingoffset}{7mm}% + {297mm}{210mm}% + \globaldefs = 0 +}} + +% @pagesizes TEXTHEIGHT[,TEXTWIDTH] +% Perhaps we should allow setting the margins, \topskip, \parskip, +% and/or leading, also. Or perhaps we should compute them somehow. +% +\parseargdef\pagesizes{\pagesizesyyy #1,,\finish} +\def\pagesizesyyy#1,#2,#3\finish{{% + \setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \hsize=#2\relax \fi + \globaldefs = 1 + % + \parskip = 3pt plus 2pt minus 1pt + \setleading{\textleading}% + % + \dimen0 = #1\relax + \advance\dimen0 by \voffset + % + \dimen2 = \hsize + \advance\dimen2 by \normaloffset + % + \internalpagesizes{#1}{\hsize}% + {\voffset}{\normaloffset}% + {\bindingoffset}{44pt}% + {\dimen0}{\dimen2}% +}} + +% Set default to letter. +% +\letterpaper + + +\message{and turning on texinfo input format.} + +% DEL is a comment character, in case @c does not suffice. +\catcode`\^^? = 14 + +% Define macros to output various characters with catcode for normal text. +\catcode`\"=\other +\catcode`\~=\other +\catcode`\^=\other +\catcode`\_=\other +\catcode`\|=\other +\catcode`\<=\other +\catcode`\>=\other +\catcode`\+=\other +\catcode`\$=\other +\def\normaldoublequote{"} +\def\normaltilde{~} +\def\normalcaret{^} +\def\normalunderscore{_} +\def\normalverticalbar{|} +\def\normalless{<} +\def\normalgreater{>} +\def\normalplus{+} +\def\normaldollar{$}%$ font-lock fix + +% This macro is used to make a character print one way in \tt +% (where it can probably be output as-is), and another way in other fonts, +% where something hairier probably needs to be done. +% +% #1 is what to print if we are indeed using \tt; #2 is what to print +% otherwise. Since all the Computer Modern typewriter fonts have zero +% interword stretch (and shrink), and it is reasonable to expect all +% typewriter fonts to have this, we can check that font parameter. +% +\def\ifusingtt#1#2{\ifdim \fontdimen3\font=0pt #1\else #2\fi} + +% Same as above, but check for italic font. Actually this also catches +% non-italic slanted fonts since it is impossible to distinguish them from +% italic fonts. But since this is only used by $ and it uses \sl anyway +% this is not a problem. +\def\ifusingit#1#2{\ifdim \fontdimen1\font>0pt #1\else #2\fi} + +% Turn off all special characters except @ +% (and those which the user can use as if they were ordinary). +% Most of these we simply print from the \tt font, but for some, we can +% use math or other variants that look better in normal text. + +\catcode`\"=\active +\def\activedoublequote{{\tt\char34}} +\let"=\activedoublequote +\catcode`\~=\active +\def~{{\tt\char126}} +\chardef\hat=`\^ +\catcode`\^=\active +\def^{{\tt \hat}} + +\catcode`\_=\active +\def_{\ifusingtt\normalunderscore\_} +\let\realunder=_ +% Subroutine for the previous macro. +\def\_{\leavevmode \kern.07em \vbox{\hrule width.3em height.1ex}\kern .07em } + +\catcode`\|=\active +\def|{{\tt\char124}} +\chardef \less=`\< +\catcode`\<=\active +\def<{{\tt \less}} +\chardef \gtr=`\> +\catcode`\>=\active +\def>{{\tt \gtr}} +\catcode`\+=\active +\def+{{\tt \char 43}} +\catcode`\$=\active +\def${\ifusingit{{\sl\$}}\normaldollar}%$ font-lock fix + +% If a .fmt file is being used, characters that might appear in a file +% name cannot be active until we have parsed the command line. +% So turn them off again, and have \everyjob (or @setfilename) turn them on. +% \otherifyactive is called near the end of this file. +\def\otherifyactive{\catcode`+=\other \catcode`\_=\other} + +% Used sometimes to turn off (effectively) the active characters even after +% parsing them. +\def\turnoffactive{% + \normalturnoffactive + \otherbackslash +} + +\catcode`\@=0 + +% \backslashcurfont outputs one backslash character in current font, +% as in \char`\\. +\global\chardef\backslashcurfont=`\\ +\global\let\rawbackslashxx=\backslashcurfont % let existing .??s files work + +% \realbackslash is an actual character `\' with catcode other, and +% \doublebackslash is two of them (for the pdf outlines). +{\catcode`\\=\other @gdef@realbackslash{\} @gdef@doublebackslash{\\}} + +% In texinfo, backslash is an active character; it prints the backslash +% in fixed width font. +\catcode`\\=\active +@def@normalbackslash{{@tt@backslashcurfont}} +% On startup, @fixbackslash assigns: +% @let \ = @normalbackslash + +% \rawbackslash defines an active \ to do \backslashcurfont. +% \otherbackslash defines an active \ to be a literal `\' character with +% catcode other. +@gdef@rawbackslash{@let\=@backslashcurfont} +@gdef@otherbackslash{@let\=@realbackslash} + +% Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of +% the literal character `\'. +% +@def@normalturnoffactive{% + @let\=@normalbackslash + @let"=@normaldoublequote + @let~=@normaltilde + @let^=@normalcaret + @let_=@normalunderscore + @let|=@normalverticalbar + @let<=@normalless + @let>=@normalgreater + @let+=@normalplus + @let$=@normaldollar %$ font-lock fix + @markupsetuplqdefault + @markupsetuprqdefault + @unsepspaces +} + +% Make _ and + \other characters, temporarily. +% This is canceled by @fixbackslash. +@otherifyactive + +% If a .fmt file is being used, we don't want the `\input texinfo' to show up. +% That is what \eatinput is for; after that, the `\' should revert to printing +% a backslash. +% +@gdef@eatinput input texinfo{@fixbackslash} +@global@let\ = @eatinput + +% On the other hand, perhaps the file did not have a `\input texinfo'. Then +% the first `\' in the file would cause an error. This macro tries to fix +% that, assuming it is called before the first `\' could plausibly occur. +% Also turn back on active characters that might appear in the input +% file name, in case not using a pre-dumped format. +% +@gdef@fixbackslash{% + @ifx\@eatinput @let\ = @normalbackslash @fi + @catcode`+=@active + @catcode`@_=@active +} + +% Say @foo, not \foo, in error messages. +@escapechar = `@@ + +% These look ok in all fonts, so just make them not special. +@catcode`@& = @other +@catcode`@# = @other +@catcode`@% = @other + +@c Finally, make ` and ' active, so that txicodequoteundirected and +@c txicodequotebacktick work right in, e.g., @w{@code{`foo'}}. If we +@c don't make ` and ' active, @code will not get them as active chars. +@c Do this last of all since we use ` in the previous @catcode assignments. +@catcode`@'=@active +@catcode`@`=@active +@markupsetuplqdefault +@markupsetuprqdefault + +@c Local variables: +@c eval: (add-hook 'write-file-hooks 'time-stamp) +@c page-delimiter: "^\\\\message" +@c time-stamp-start: "def\\\\texinfoversion{" +@c time-stamp-format: "%:y-%02m-%02d.%02H" +@c time-stamp-end: "}" +@c End: + +@c vim:sw=2: + +@ignore + arch-tag: e1b36e32-c96e-4135-a41a-0b2efa2ea115 +@end ignore diff --git a/configure b/configure new file mode 100755 index 0000000..f1567af --- /dev/null +++ b/configure @@ -0,0 +1,21270 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.69 for lttng-ust 2.8.1. +# +# Report bugs to . +# +# +# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +as_fn_exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1 + + test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\ + || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org and mathieu dot +$0: desnoyers at efficios dot com about your system, +$0: including any error possibly output before this +$0: message. Then install a modern shell, or manually run +$0: the script under such a shell if you do have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + + + as_lineno_1=$LINENO as_lineno_1a=$LINENO + as_lineno_2=$LINENO as_lineno_2a=$LINENO + eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && + test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { + # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-) + sed -n ' + p + /[$]LINENO/= + ' <$as_myself | + sed ' + s/[$]LINENO.*/&-/ + t lineno + b + :lineno + N + :loop + s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ + t loop + s/-\n.*// + ' >$as_me.lineno && + chmod +x "$as_me.lineno" || + { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } + + # If we had to re-execute with $CONFIG_SHELL, we're ensured to have + # already done that, so ensure we don't try to do so again and fall + # in an infinite loop. This has already happened in practice. + _as_can_reexec=no; export _as_can_reexec + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. Autoconf is especially sensitive to this). + . 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" >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +#include <$2> +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$3=yes" +else + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_header_compile + +# ac_fn_c_try_cpp LINENO +# ---------------------- +# Try to preprocess conftest.$ac_ext, and return whether this succeeded. +ac_fn_c_try_cpp () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if { { ac_try="$ac_cpp conftest.$ac_ext" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } > conftest.i && { + test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || + test ! -s conftest.err + }; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_try_cpp + +# ac_fn_c_try_run LINENO +# ---------------------- +# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes +# that executables *can* be run. +ac_fn_c_try_run () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { ac_try='./conftest$ac_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + ac_retval=0 +else + $as_echo "$as_me: program exited with status $ac_status" >&5 + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=$ac_status +fi + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_try_run + +# ac_fn_c_check_func LINENO FUNC VAR +# ---------------------------------- +# Tests whether FUNC exists, setting the cache variable VAR accordingly +ac_fn_c_check_func () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* Define $2 to an innocuous variant, in case declares $2. + For example, HP-UX 11i declares gettimeofday. */ +#define $2 innocuous_$2 + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $2 (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include +#else +# include +#endif + +#undef $2 + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char $2 (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_$2 || defined __stub___$2 +choke me +#endif + +int +main () +{ +return $2 (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$3=yes" +else + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_func + +# ac_fn_cxx_try_cpp LINENO +# ------------------------ +# Try to preprocess conftest.$ac_ext, and return whether this succeeded. +ac_fn_cxx_try_cpp () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if { { ac_try="$ac_cpp conftest.$ac_ext" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } > conftest.i && { + test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" || + test ! -s conftest.err + }; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_cxx_try_cpp + +# ac_fn_cxx_try_link LINENO +# ------------------------- +# Try to link conftest.$ac_ext, and return whether this succeeded. +ac_fn_cxx_try_link () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext conftest$ac_exeext + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_cxx_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && { + test "$cross_compiling" = yes || + test -x conftest$ac_exeext + }; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information + # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would + # interfere with the next link command; also delete a directory that is + # left behind by Apple's compiler. We do this before executing the actions. + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_cxx_try_link + +# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES +# ------------------------------------------------------- +# Tests whether HEADER exists, giving a warning if it cannot be compiled using +# the include files in INCLUDES and setting the cache variable VAR +# accordingly. +ac_fn_c_check_header_mongrel () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if eval \${$3+:} false; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +else + # Is the header compilable? +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5 +$as_echo_n "checking $2 usability... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +#include <$2> +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_header_compiler=yes +else + ac_header_compiler=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5 +$as_echo "$ac_header_compiler" >&6; } + +# Is the header present? +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5 +$as_echo_n "checking $2 presence... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <$2> +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + ac_header_preproc=yes +else + ac_header_preproc=no +fi +rm -f conftest.err conftest.i conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5 +$as_echo "$ac_header_preproc" >&6; } + +# So? What about this header? +case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #(( + yes:no: ) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5 +$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5 +$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;} + ;; + no:yes:* ) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5 +$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: check for missing prerequisite headers?" >&5 +$as_echo "$as_me: WARNING: $2: check for missing prerequisite headers?" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5 +$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: section \"Present But Cannot Be Compiled\"" >&5 +$as_echo "$as_me: WARNING: $2: section \"Present But Cannot Be Compiled\"" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5 +$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;} +( $as_echo "## -------------------------------------------------------- ## +## Report this to mathieu dot desnoyers at efficios dot com ## +## -------------------------------------------------------- ##" + ) | sed "s/^/$as_me: WARNING: /" >&2 + ;; +esac + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + eval "$3=\$ac_header_compiler" +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_header_mongrel + +# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES +# --------------------------------------------- +# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR +# accordingly. +ac_fn_c_check_decl () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + as_decl_name=`echo $2|sed 's/ *(.*//'` + as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'` + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5 +$as_echo_n "checking whether $as_decl_name is declared... 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" >&6; } +if ${ac_cv_path_SED+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ + for ac_i in 1 2 3 4 5 6 7; do + ac_script="$ac_script$as_nl$ac_script" + done + echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed + { ac_script=; unset ac_script;} + if test -z "$SED"; then + ac_path_SED_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_SED="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_SED" || continue +# Check for GNU ac_path_SED and select it if it is found. + # Check for GNU $ac_path_SED +case `"$ac_path_SED" --version 2>&1` in +*GNU*) + ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo '' >> "conftest.nl" + "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_SED_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_SED="$ac_path_SED" + ac_path_SED_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_SED_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_SED"; then + as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5 + fi +else + ac_cv_path_SED=$SED +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5 +$as_echo "$ac_cv_path_SED" >&6; } + SED="$ac_cv_path_SED" + rm -f conftest.sed + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 +$as_echo_n "checking for grep that handles long lines and -e... " >&6; } +if ${ac_cv_path_GREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$GREP"; then + ac_path_GREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_GREP" || continue +# Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_GREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_GREP"; then + as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 +$as_echo_n "checking whether ln -s works... " >&6; } +LN_S=$as_ln_s +if test "$LN_S" = "ln -s"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 +$as_echo "no, using $LN_S" >&6; } +fi + + +# libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321. +# Check whether --enable-libtool-linkdep-fixup was given. +if test "${enable_libtool_linkdep_fixup+set}" = set; then : + enableval=$enable_libtool_linkdep_fixup; + libtool_fixup=$enableval + +else + + libtool_fixup=yes + +fi + + +if test "x$libtool_fixup" = "xyes"; then : + + libtool_m4="$srcdir/config/libtool.m4" + libtool_flag_pattern=".*link_all_deplibs\s*,\s*\$1\s*)" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for occurence(s) of link_all_deplibs = no in $libtool_m4" >&5 +$as_echo_n "checking for occurence(s) of link_all_deplibs = no in $libtool_m4... " >&6; } + libtool_flag_pattern_count=$(grep -c "$libtool_flag_pattern\s*=\s*no" $libtool_m4) + + if test $libtool_flag_pattern_count -ne 0; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libtool_flag_pattern_count" >&5 +$as_echo "$libtool_flag_pattern_count" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown" >&5 +$as_echo "$as_me: WARNING: the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown" >&2;} + sed -i "s/\($libtool_flag_pattern\)\s*=\s*no/\1=unknown/g" $libtool_m4 + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 +$as_echo "none" >&6; } + +fi + +fi + + if test "x$enable_shared" = "xno"; then + NO_SHARED_TRUE= + NO_SHARED_FALSE='#' +else + NO_SHARED_TRUE='#' + NO_SHARED_FALSE= +fi + + +# Checks for programs. +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? 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" >&6; } +if ${ac_cv_path_SED+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ + for ac_i in 1 2 3 4 5 6 7; do + ac_script="$ac_script$as_nl$ac_script" + done + echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed + { ac_script=; unset ac_script;} + if test -z "$SED"; then + ac_path_SED_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_SED="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_SED" || continue +# Check for GNU ac_path_SED and select it if it is found. + # Check for GNU $ac_path_SED +case `"$ac_path_SED" --version 2>&1` in +*GNU*) + ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo '' >> "conftest.nl" + "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_SED_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_SED="$ac_path_SED" + ac_path_SED_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_SED_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_SED"; then + as_fn_error $? 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" >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_EGREP" || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5 +$as_echo_n "checking for fgrep... " >&6; } +if ${ac_cv_path_FGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1 + then ac_cv_path_FGREP="$GREP -F" + else + if test -z "$FGREP"; then + ac_path_FGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in fgrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_FGREP" || continue +# Check for GNU ac_path_FGREP and select it if it is found. + # Check for GNU $ac_path_FGREP +case `"$ac_path_FGREP" --version 2>&1` in +*GNU*) + ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'FGREP' >> "conftest.nl" + "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_FGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_FGREP="$ac_path_FGREP" + ac_path_FGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_FGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_FGREP"; then + as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_FGREP=$FGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5 +$as_echo "$ac_cv_path_FGREP" >&6; } + FGREP="$ac_cv_path_FGREP" + + +test -z "$GREP" && GREP=grep + + + + + + + + + + + + + + + + + + + +# Check whether --with-gnu-ld was given. +if test "${with_gnu_ld+set}" = set; then : + withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes +else + with_gnu_ld=no +fi + +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5 +$as_echo_n "checking for ld used by $CC... " >&6; } + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [\\/]* | ?:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } +fi +if ${lt_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$LD"; then + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${lt_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 +else + # I'd rather use --version here, but apparently some GNU lds only accept -v. +case `$LD -v 2>&1 &5 +$as_echo "$lt_cv_prog_gnu_ld" >&6; } +with_gnu_ld=$lt_cv_prog_gnu_ld + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5 +$as_echo_n "checking for BSD- or MS-compatible name lister (nm)... " >&6; } +if ${lt_cv_path_NM+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM="$NM" +else + lt_nm_to_check="${ac_tool_prefix}nm" + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + tmp_nm="$ac_dir/$lt_tmp_nm" + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the `sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in + */dev/null* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS="$lt_save_ifs" + done + : ${lt_cv_path_NM=no} +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 +$as_echo "$lt_cv_path_NM" >&6; } +if test "$lt_cv_path_NM" != "no"; then + NM="$lt_cv_path_NM" +else + # Didn't find any BSD compatible name lister, look for dumpbin. + if test -n "$DUMPBIN"; then : + # Let the user override the test. + else + if test -n "$ac_tool_prefix"; then + for ac_prog in dumpbin "link -dump" + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DUMPBIN"; then + ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DUMPBIN=$ac_cv_prog_DUMPBIN +if test -n "$DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5 +$as_echo "$DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$DUMPBIN" && break + done +fi +if test -z "$DUMPBIN"; then + ac_ct_DUMPBIN=$DUMPBIN + for ac_prog in dumpbin "link -dump" +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DUMPBIN"; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN +if test -n "$ac_ct_DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 +$as_echo "$ac_ct_DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_DUMPBIN" && break +done + + if test "x$ac_ct_DUMPBIN" = x; then + DUMPBIN=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DUMPBIN=$ac_ct_DUMPBIN + fi +fi + + case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in + *COFF*) + DUMPBIN="$DUMPBIN -symbols" + ;; + *) + DUMPBIN=: + ;; + esac + fi + + if test "$DUMPBIN" != ":"; then + NM="$DUMPBIN" + fi +fi +test -z "$NM" && NM=nm + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 +$as_echo_n "checking the name lister ($NM) interface... " >&6; } +if ${lt_cv_nm_interface+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: output\"" >&5) + cat conftest.out >&5 + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 +$as_echo "$lt_cv_nm_interface" >&6; } + +# find the maximum length of command line arguments +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 +$as_echo_n "checking the maximum length of command line arguments... " >&6; } +if ${lt_cv_sys_max_cmd_len+:} false; then : + $as_echo_n "(cached) " >&6 +else + i=0 + teststring="ABCD" + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + mint*) + # On MiNT this can take a long time and run out of memory. + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + os2*) + # The test takes a long time on OS/2. + lt_cv_sys_max_cmd_len=8192 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len" && \ + test undefined != "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8 ; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test $i != 17 # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac + +fi + +if test -n $lt_cv_sys_max_cmd_len ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 +$as_echo "$lt_cv_sys_max_cmd_len" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 +$as_echo "none" >&6; } +fi +max_cmd_len=$lt_cv_sys_max_cmd_len + + + + + + +: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands some XSI constructs" >&5 +$as_echo_n "checking whether the shell understands some XSI constructs... " >&6; } +# Try some XSI features +xsi_shell=no +( _lt_dummy="a/b/c" + test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \ + = c,a/b,b/c, \ + && eval 'test $(( 1 + 1 )) -eq 2 \ + && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \ + && xsi_shell=yes +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xsi_shell" >&5 +$as_echo "$xsi_shell" >&6; } + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands \"+=\"" >&5 +$as_echo_n "checking whether the shell understands \"+=\"... " >&6; } +lt_shell_append=no +( foo=bar; set foo baz; eval "$1+=\$2" && test "$foo" = barbaz ) \ + >/dev/null 2>&1 \ + && lt_shell_append=yes +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_shell_append" >&5 +$as_echo "$lt_shell_append" >&6; } + + +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi + + + + + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 +$as_echo_n "checking how to convert $build file names to $host format... " >&6; } +if ${lt_cv_to_host_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 + ;; + esac + ;; + *-*-cygwin* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin + ;; + esac + ;; + * ) # unhandled hosts (and "normal" native builds) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; +esac + +fi + +to_host_file_cmd=$lt_cv_to_host_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 +$as_echo "$lt_cv_to_host_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 +$as_echo_n "checking how to convert $build file names to toolchain format... " >&6; } +if ${lt_cv_to_tool_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + #assume ordinary cross tools, or native build. +lt_cv_to_tool_file_cmd=func_convert_file_noop +case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 + ;; + esac + ;; +esac + +fi + +to_tool_file_cmd=$lt_cv_to_tool_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 +$as_echo "$lt_cv_to_tool_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 +$as_echo_n "checking for $LD option to reload object files... " >&6; } +if ${lt_cv_ld_reload_flag+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_reload_flag='-r' +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 +$as_echo "$lt_cv_ld_reload_flag" >&6; } +reload_flag=$lt_cv_ld_reload_flag +case $reload_flag in +"" | " "*) ;; +*) reload_flag=" $reload_flag" ;; +esac +reload_cmds='$LD$reload_flag -o $output$reload_objs' +case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + if test "$GCC" != yes; then + reload_cmds=false + fi + ;; + darwin*) + if test "$GCC" = yes; then + reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs' + else + reload_cmds='$LD$reload_flag -o $output$reload_objs' + fi + ;; +esac + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. +set dummy ${ac_tool_prefix}objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OBJDUMP"; then + ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OBJDUMP=$ac_cv_prog_OBJDUMP +if test -n "$OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 +$as_echo "$OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OBJDUMP"; then + ac_ct_OBJDUMP=$OBJDUMP + # Extract the first word of "objdump", so it can be a program name with args. +set dummy objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OBJDUMP"; then + ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OBJDUMP="objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP +if test -n "$ac_ct_OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 +$as_echo "$ac_ct_OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OBJDUMP" = x; then + OBJDUMP="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OBJDUMP=$ac_ct_OBJDUMP + fi +else + OBJDUMP="$ac_cv_prog_OBJDUMP" +fi + +test -z "$OBJDUMP" && OBJDUMP=objdump + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 +$as_echo_n "checking how to recognize dependent libraries... " >&6; } +if ${lt_cv_deplibs_check_method+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_file_magic_cmd='$MAGIC_CMD' +lt_cv_file_magic_test_file= +lt_cv_deplibs_check_method='unknown' +# Need to set the preceding variable on all platforms that support +# interlibrary dependencies. +# 'none' -- dependencies not supported. +# `unknown' -- same as none, but documents that we really don't know. +# 'pass_all' -- all dependencies passed with no checks. +# 'test_compile' -- check by making test program. +# 'file_magic [[regex]]' -- check by looking for files in library path +# which responds to the $file_magic_cmd with a given extended regex. +# If you have `file' or equivalent on your system and you're not sure +# whether `pass_all' will *always* work, you probably want this one. + +case $host_os in +aix[4-9]*) + lt_cv_deplibs_check_method=pass_all + ;; + +beos*) + lt_cv_deplibs_check_method=pass_all + ;; + +bsdi[45]*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' + lt_cv_file_magic_cmd='/usr/bin/file -L' + lt_cv_file_magic_test_file=/shlib/libc.so + ;; + +cygwin*) + # func_win32_libid is a shell function defined in ltmain.sh + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + ;; + +mingw* | pw32*) + # Base MSYS/MinGW do not provide the 'file' command needed by + # func_win32_libid shell function, so use a weaker test based on 'objdump', + # unless we find 'file', for example because we are cross-compiling. + # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin. + if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + # Keep this pattern in sync with the one in func_win32_libid. + lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc*) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +haiku*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[3-9]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 +$as_echo "$lt_cv_deplibs_check_method" >&6; } + +file_magic_glob= +want_nocaseglob=no +if test "$build" = "$host"; then + case $host_os in + mingw* | pw32*) + if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then + want_nocaseglob=yes + else + file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` + fi + ;; + esac +fi + +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + + + + + + + + + + + + + + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. +set dummy ${ac_tool_prefix}dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DLLTOOL"; then + ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DLLTOOL=$ac_cv_prog_DLLTOOL +if test -n "$DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 +$as_echo "$DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DLLTOOL"; then + ac_ct_DLLTOOL=$DLLTOOL + # Extract the first word of "dlltool", so it can be a program name with args. +set dummy dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DLLTOOL"; then + ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DLLTOOL="dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL +if test -n "$ac_ct_DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 +$as_echo "$ac_ct_DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DLLTOOL" = x; then + DLLTOOL="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DLLTOOL=$ac_ct_DLLTOOL + fi +else + DLLTOOL="$ac_cv_prog_DLLTOOL" +fi + +test -z "$DLLTOOL" && DLLTOOL=dlltool + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 +$as_echo_n "checking how to associate runtime and link libraries... " >&6; } +if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_sharedlib_from_linklib_cmd='unknown' + +case $host_os in +cygwin* | mingw* | pw32* | cegcc*) + # two different shell functions defined in ltmain.sh + # decide which to use based on capabilities of $DLLTOOL + case `$DLLTOOL --help 2>&1` in + *--identify-strict*) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib + ;; + *) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback + ;; + esac + ;; +*) + # fallback: assume linklib IS sharedlib + lt_cv_sharedlib_from_linklib_cmd="$ECHO" + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 +$as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } +sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd +test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO + + + + + + + + +if test -n "$ac_tool_prefix"; then + for ac_prog in ar + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AR"; then + ac_cv_prog_AR="$AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_AR="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AR=$ac_cv_prog_AR +if test -n "$AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 +$as_echo "$AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$AR" && break + done +fi +if test -z "$AR"; then + ac_ct_AR=$AR + for ac_prog in ar +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_AR"; then + ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_AR="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_AR=$ac_cv_prog_ac_ct_AR +if test -n "$ac_ct_AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 +$as_echo "$ac_ct_AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_AR" && break +done + + if test "x$ac_ct_AR" = x; then + AR="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + AR=$ac_ct_AR + fi +fi + +: ${AR=ar} +: ${AR_FLAGS=cru} + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 +$as_echo_n "checking for archiver @FILE support... " >&6; } +if ${lt_cv_ar_at_file+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ar_at_file=no + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + echo conftest.$ac_objext > conftest.lst + lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test "$ac_status" -eq 0; then + # Ensure the archiver fails upon bogus file names. + rm -f conftest.$ac_objext libconftest.a + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test "$ac_status" -ne 0; then + lt_cv_ar_at_file=@ + fi + fi + rm -f conftest.* libconftest.a + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 +$as_echo "$lt_cv_ar_at_file" >&6; } + +if test "x$lt_cv_ar_at_file" = xno; then + archiver_list_spec= +else + archiver_list_spec=$lt_cv_ar_at_file +fi + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +test -z "$STRIP" && STRIP=: + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +test -z "$RANLIB" && RANLIB=: + + + + + + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" +fi + +case $host_os in + darwin*) + lock_old_archive_extraction=yes ;; + *) + lock_old_archive_extraction=no ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + + +# Check for command to grab the raw symbol name followed by C symbol from nm. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 +$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } +if ${lt_cv_sys_global_symbol_pipe+:} false; then : + $as_echo_n "(cached) " >&6 +else + +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[BCDEGRST]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([_A-Za-z][_A-Za-z0-9]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[BCDT]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[ABCDGISTW]' + ;; +hpux*) + if test "$host_cpu" = ia64; then + symcode='[ABCDEGRST]' + fi + ;; +irix* | nonstopux*) + symcode='[BCDEGRST]' + ;; +osf*) + symcode='[BCDEGQRST]' + ;; +solaris*) + symcode='[BDRT]' + ;; +sco3.2v5*) + symcode='[DT]' + ;; +sysv4.2uw2*) + symcode='[DT]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[ABDT]' + ;; +sysv4) + symcode='[DFNSTU]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[ABCDGIRSTW]' ;; +esac + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (void *) \&\2},/p'" +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"lib\2\", (void *) \&\2},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function + # and D for any global variable. + # Also find C++ and __fastcall symbols from MSVC++, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK '"\ +" {last_section=section; section=\$ 3};"\ +" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ +" {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ +" s[1]~/^[@?]/{print s[1], s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # Now try to grab the symbols. + nlist=conftest.nm + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 + (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) +/* DATA imports from DLLs on WIN32 con't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT_DLSYM_CONST +#elif defined(__osf__) +/* This system does not cope well with relocations in const data. */ +# define LT_DLSYM_CONST +#else +# define LT_DLSYM_CONST const +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +LT_DLSYM_CONST struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv conftest.$ac_objext conftstm.$ac_objext + lt_globsym_save_LIBS=$LIBS + lt_globsym_save_CFLAGS=$CFLAGS + LIBS="conftstm.$ac_objext" + CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest${ac_exeext}; then + pipe_works=yes + fi + LIBS=$lt_globsym_save_LIBS + CFLAGS=$lt_globsym_save_CFLAGS + else + echo "cannot find nm_test_func in $nlist" >&5 + fi + else + echo "cannot find nm_test_var in $nlist" >&5 + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 + fi + else + echo "$progname: failed program was:" >&5 + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test "$pipe_works" = yes; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done + +fi + +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 +$as_echo "failed" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 +$as_echo "ok" >&6; } +fi + +# Response file support. +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + nm_file_list_spec='@' +elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then + nm_file_list_spec='@' +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 +$as_echo_n "checking for sysroot... " >&6; } + +# Check whether --with-sysroot was given. +if test "${with_sysroot+set}" = set; then : + withval=$with_sysroot; +else + with_sysroot=no +fi + + +lt_sysroot= +case ${with_sysroot} in #( + yes) + if test "$GCC" = yes; then + lt_sysroot=`$CC --print-sysroot 2>/dev/null` + fi + ;; #( + /*) + lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` + ;; #( + no|'') + ;; #( + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${with_sysroot}" >&5 +$as_echo "${with_sysroot}" >&6; } + as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 + ;; +esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 +$as_echo "${lt_sysroot:-no}" >&6; } + + + + + +# Check whether --enable-libtool-lock was given. +if test "${enable_libtool_lock+set}" = set; then : + enableval=$enable_libtool_lock; +fi + +test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE="32" + ;; + *ELF-64*) + HPUX_IA64_MODE="64" + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out which ABI we are using. + echo '#line '$LINENO' "configure"' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + if test "$lt_cv_prog_gnu_ld" = yes; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ +s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*) + case `/usr/bin/file conftest.o` in + *x86-64*) + LD="${LD-ld} -m elf32_x86_64" + ;; + *) + LD="${LD-ld} -m elf_i386" + ;; + esac + ;; + powerpc64le-*) + LD="${LD-ld} -m elf32lppclinux" + ;; + powerpc64-*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + powerpcle-*) + LD="${LD-ld} -m elf64lppc" + ;; + powerpc-*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -belf" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 +$as_echo_n "checking whether the C compiler needs -belf... " >&6; } +if ${lt_cv_cc_needs_belf+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_cc_needs_belf=yes +else + lt_cv_cc_needs_belf=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 +$as_echo "$lt_cv_cc_needs_belf" >&6; } + if test x"$lt_cv_cc_needs_belf" != x"yes"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS="$SAVE_CFLAGS" + fi + ;; +*-*solaris*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) + case $host in + i?86-*-solaris*) + LD="${LD-ld} -m elf_x86_64" + ;; + sparc*-*-solaris*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + # GNU ld 2.21 introduced _sol2 emulations. Use them if available. + if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then + LD="${LD-ld}_sol2" + fi + ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks="$enable_libtool_lock" + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. +set dummy ${ac_tool_prefix}mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$MANIFEST_TOOL"; then + ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL +if test -n "$MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 +$as_echo "$MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_MANIFEST_TOOL"; then + ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL + # Extract the first word of "mt", so it can be a program name with args. +set dummy mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_MANIFEST_TOOL"; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL +if test -n "$ac_ct_MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 +$as_echo "$ac_ct_MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_MANIFEST_TOOL" = x; then + MANIFEST_TOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL + fi +else + MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" +fi + +test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 +$as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } +if ${lt_cv_path_mainfest_tool+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_path_mainfest_tool=no + echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 + $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out + cat conftest.err >&5 + if $GREP 'Manifest Tool' conftest.out > /dev/null; then + lt_cv_path_mainfest_tool=yes + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 +$as_echo "$lt_cv_path_mainfest_tool" >&6; } +if test "x$lt_cv_path_mainfest_tool" != xyes; then + MANIFEST_TOOL=: +fi + + + + + + + case $host_os in + rhapsody* | darwin*) + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. +set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DSYMUTIL"; then + ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DSYMUTIL=$ac_cv_prog_DSYMUTIL +if test -n "$DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 +$as_echo "$DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DSYMUTIL"; then + ac_ct_DSYMUTIL=$DSYMUTIL + # Extract the first word of "dsymutil", so it can be a program name with args. +set dummy dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DSYMUTIL"; then + ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL +if test -n "$ac_ct_DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 +$as_echo "$ac_ct_DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DSYMUTIL" = x; then + DSYMUTIL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DSYMUTIL=$ac_ct_DSYMUTIL + fi +else + DSYMUTIL="$ac_cv_prog_DSYMUTIL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. +set dummy ${ac_tool_prefix}nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NMEDIT"; then + ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +NMEDIT=$ac_cv_prog_NMEDIT +if test -n "$NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 +$as_echo "$NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_NMEDIT"; then + ac_ct_NMEDIT=$NMEDIT + # Extract the first word of "nmedit", so it can be a program name with args. +set dummy nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_NMEDIT"; then + ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_NMEDIT="nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT +if test -n "$ac_ct_NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 +$as_echo "$ac_ct_NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_NMEDIT" = x; then + NMEDIT=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + NMEDIT=$ac_ct_NMEDIT + fi +else + NMEDIT="$ac_cv_prog_NMEDIT" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. +set dummy ${ac_tool_prefix}lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$LIPO"; then + ac_cv_prog_LIPO="$LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_LIPO="${ac_tool_prefix}lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +LIPO=$ac_cv_prog_LIPO +if test -n "$LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 +$as_echo "$LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_LIPO"; then + ac_ct_LIPO=$LIPO + # Extract the first word of "lipo", so it can be a program name with args. +set dummy lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_LIPO"; then + ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_LIPO="lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO +if test -n "$ac_ct_LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 +$as_echo "$ac_ct_LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_LIPO" = x; then + LIPO=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + LIPO=$ac_ct_LIPO + fi +else + LIPO="$ac_cv_prog_LIPO" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL"; then + ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OTOOL="${ac_tool_prefix}otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL=$ac_cv_prog_OTOOL +if test -n "$OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 +$as_echo "$OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL"; then + ac_ct_OTOOL=$OTOOL + # Extract the first word of "otool", so it can be a program name with args. +set dummy otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL"; then + ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OTOOL="otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL +if test -n "$ac_ct_OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 +$as_echo "$ac_ct_OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL" = x; then + OTOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL=$ac_ct_OTOOL + fi +else + OTOOL="$ac_cv_prog_OTOOL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL64"; then + ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL64=$ac_cv_prog_OTOOL64 +if test -n "$OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 +$as_echo "$OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL64"; then + ac_ct_OTOOL64=$OTOOL64 + # Extract the first word of "otool64", so it can be a program name with args. +set dummy otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL64"; then + ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OTOOL64="otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 +if test -n "$ac_ct_OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 +$as_echo "$ac_ct_OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL64" = x; then + OTOOL64=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL64=$ac_ct_OTOOL64 + fi +else + OTOOL64="$ac_cv_prog_OTOOL64" +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 +$as_echo_n "checking for -single_module linker flag... " >&6; } +if ${lt_cv_apple_cc_single_mod+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_apple_cc_single_mod=no + if test -z "${LT_MULTI_MODULE}"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + # If there is a non-empty error log, and "single_module" + # appears in it, assume the flag caused a linker warning + if test -s conftest.err && $GREP single_module conftest.err; then + cat conftest.err >&5 + # Otherwise, if the output was created with a 0 exit code from + # the compiler, it worked. + elif test -f libconftest.dylib && test $_lt_result -eq 0; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&5 + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 +$as_echo "$lt_cv_apple_cc_single_mod" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 +$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; } +if ${lt_cv_ld_exported_symbols_list+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_ld_exported_symbols_list=yes +else + lt_cv_ld_exported_symbols_list=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS="$save_LDFLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5 +$as_echo "$lt_cv_ld_exported_symbols_list" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5 +$as_echo_n "checking for -force_load linker flag... " >&6; } +if ${lt_cv_ld_force_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_force_load=no + cat > conftest.c << _LT_EOF +int forced_loaded() { return 2;} +_LT_EOF + echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5 + $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5 + echo "$AR cru libconftest.a conftest.o" >&5 + $AR cru libconftest.a conftest.o 2>&5 + echo "$RANLIB libconftest.a" >&5 + $RANLIB libconftest.a 2>&5 + cat > conftest.c << _LT_EOF +int main() { return 0;} +_LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? + if test -s conftest.err && $GREP force_load conftest.err; then + cat conftest.err >&5 + elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&5 + fi + rm -f conftest.err libconftest.a conftest conftest.c + rm -rf conftest.dSYM + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5 +$as_echo "$lt_cv_ld_force_load" >&6; } + case $host_os in + rhapsody* | darwin1.[012]) + _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[91]*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + 10.[012]*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test "$lt_cv_apple_cc_single_mod" = "yes"; then + _lt_dar_single_mod='$single_module' + fi + if test "$lt_cv_ld_exported_symbols_list" = "yes"; then + _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}' + fi + if test "$DSYMUTIL" != ":" && test "$lt_cv_ld_force_load" = "no"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +for ac_header in dlfcn.h +do : + ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default +" +if test "x$ac_cv_header_dlfcn_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_DLFCN_H 1 +_ACEOF + +fi + +done + + + + +func_stripname_cnf () +{ + case ${2} in + .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;; + *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;; + esac +} # func_stripname_cnf + + + + + +# Set options + + + + enable_dlopen=no + + + enable_win32_dll=no + + + # Check whether --enable-shared was given. +if test "${enable_shared+set}" = set; then : + enableval=$enable_shared; p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac +else + enable_shared=yes +fi + + + + + + + + + + # Check whether --enable-static was given. +if test "${enable_static+set}" = set; then : + enableval=$enable_static; p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac +else + enable_static=yes +fi + + + + + + + + + + +# Check whether --with-pic was given. +if test "${with_pic+set}" = set; then : + withval=$with_pic; lt_p=${PACKAGE-default} + case $withval in + yes|no) pic_mode=$withval ;; + *) + pic_mode=default + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for lt_pkg in $withval; do + IFS="$lt_save_ifs" + if test "X$lt_pkg" = "X$lt_p"; then + pic_mode=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac +else + pic_mode=default +fi + + +test -z "$pic_mode" && pic_mode=default + + + + + + + + # Check whether --enable-fast-install was given. +if test "${enable_fast_install+set}" = set; then : + enableval=$enable_fast_install; p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac +else + enable_fast_install=yes +fi + + + + + + + + + + + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS="$ltmain" + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +test -z "$LN_S" && LN_S="ln -s" + + + + + + + + + + + + + + +if test -n "${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5 +$as_echo_n "checking for objdir... " >&6; } +if ${lt_cv_objdir+:} false; then : + $as_echo_n "(cached) " >&6 +else + rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5 +$as_echo "$lt_cv_objdir" >&6; } +objdir=$lt_cv_objdir + + + + + +cat >>confdefs.h <<_ACEOF +#define LT_OBJDIR "$lt_cv_objdir/" +_ACEOF + + + + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a `.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a + +with_gnu_ld="$lt_cv_prog_gnu_ld" + +old_CC="$CC" +old_CFLAGS="$CFLAGS" + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +for cc_temp in $compiler""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac +done +cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` + + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5 +$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD="$MAGIC_CMD" + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/${ac_tool_prefix}file; then + lt_cv_path_MAGIC_CMD="$ac_dir/${ac_tool_prefix}file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD="$lt_cv_path_MAGIC_CMD" + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS="$lt_save_ifs" + MAGIC_CMD="$lt_save_MAGIC_CMD" + ;; +esac +fi + +MAGIC_CMD="$lt_cv_path_MAGIC_CMD" +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + + +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5 +$as_echo_n "checking for file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD="$MAGIC_CMD" + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/file; then + lt_cv_path_MAGIC_CMD="$ac_dir/file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD="$lt_cv_path_MAGIC_CMD" + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS="$lt_save_ifs" + MAGIC_CMD="$lt_save_MAGIC_CMD" + ;; +esac +fi + +MAGIC_CMD="$lt_cv_path_MAGIC_CMD" +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + else + MAGIC_CMD=: + fi +fi + + fi + ;; +esac + +# Use C for the default configuration in the libtool script + +lt_save_CC="$CC" +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +objext=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* + +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* + + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + +lt_prog_compiler_no_builtin_flag= + +if test "$GCC" = yes; then + case $cc_basename in + nvcc*) + lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;; + *) + lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;; + esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 +$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; } +if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_rtti_exceptions=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="-fno-rtti -fno-exceptions" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_rtti_exceptions=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 +$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; } + +if test x"$lt_cv_prog_compiler_rtti_exceptions" = xyes; then + lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions" +else + : +fi + +fi + + + + + + + lt_prog_compiler_wl= +lt_prog_compiler_pic= +lt_prog_compiler_static= + + + if test "$GCC" = yes; then + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_static='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + lt_prog_compiler_pic='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the `-m68020' flag to GCC prevents building anything better, + # like `-m68040'. + lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + lt_prog_compiler_pic='-DDLL_EXPORT' + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic='-fno-common' + ;; + + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + lt_prog_compiler_static= + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + ;; + + interix[3-9]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + lt_prog_compiler_can_build_shared=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic=-Kconform_pic + fi + ;; + + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + lt_prog_compiler_wl='-Xlinker ' + if test -n "$lt_prog_compiler_pic"; then + lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic" + fi + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + lt_prog_compiler_wl='-Wl,' + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + else + lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + lt_prog_compiler_pic='-DDLL_EXPORT' + ;; + + hpux9* | hpux10* | hpux11*) + lt_prog_compiler_wl='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + lt_prog_compiler_static='${wl}-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + lt_prog_compiler_wl='-Wl,' + # PIC (with -KPIC) is the default. + lt_prog_compiler_static='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + # old Intel for x86_64 which still supported -KPIC. + ecc*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='--shared' + lt_prog_compiler_static='--static' + ;; + nagfor*) + # NAG Fortran compiler + lt_prog_compiler_wl='-Wl,-Wl,,' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fpic' + lt_prog_compiler_static='-Bstatic' + ;; + ccc*) + lt_prog_compiler_wl='-Wl,' + # All Alpha code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + xl* | bgxl* | bgf* | mpixl*) + # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-qpic' + lt_prog_compiler_static='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='' + ;; + *Sun\ F* | *Sun*Fortran*) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Qoption ld ' + ;; + *Sun\ C*) + # Sun C 5.9 + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Wl,' + ;; + *Intel*\ [CF]*Compiler*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + *Portland\ Group*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fpic' + lt_prog_compiler_static='-Bstatic' + ;; + esac + ;; + esac + ;; + + newsos6) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + lt_prog_compiler_wl='-Wl,' + # All OSF/1 code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + + rdos*) + lt_prog_compiler_static='-non_shared' + ;; + + solaris*) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + lt_prog_compiler_wl='-Qoption ld ';; + *) + lt_prog_compiler_wl='-Wl,';; + esac + ;; + + sunos4*) + lt_prog_compiler_wl='-Qoption ld ' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec ;then + lt_prog_compiler_pic='-Kconform_pic' + lt_prog_compiler_static='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + unicos*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_can_build_shared=no + ;; + + uts4*) + lt_prog_compiler_pic='-pic' + lt_prog_compiler_static='-Bstatic' + ;; + + *) + lt_prog_compiler_can_build_shared=no + ;; + esac + fi + +case $host_os in + # For platforms which do not support PIC, -DPIC is meaningless: + *djgpp*) + lt_prog_compiler_pic= + ;; + *) + lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC" + ;; +esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... " >&6; } +if ${lt_cv_prog_compiler_pic+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic=$lt_prog_compiler_pic +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5 +$as_echo "$lt_cv_prog_compiler_pic" >&6; } +lt_prog_compiler_pic=$lt_cv_prog_compiler_pic + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$lt_prog_compiler_pic"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5 +$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; } +if ${lt_cv_prog_compiler_pic_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic_works=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$lt_prog_compiler_pic -DPIC" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_pic_works=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5 +$as_echo "$lt_cv_prog_compiler_pic_works" >&6; } + +if test x"$lt_cv_prog_compiler_pic_works" = xyes; then + case $lt_prog_compiler_pic in + "" | " "*) ;; + *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;; + esac +else + lt_prog_compiler_pic= + lt_prog_compiler_can_build_shared=no +fi + +fi + + + + + + + + + + + +# +# Check to make sure the static flag actually works. +# +wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 +$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } +if ${lt_cv_prog_compiler_static_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_static_works=no + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS $lt_tmp_static_flag" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_static_works=yes + fi + else + lt_cv_prog_compiler_static_works=yes + fi + fi + $RM -r conftest* + LDFLAGS="$save_LDFLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5 +$as_echo "$lt_cv_prog_compiler_static_works" >&6; } + +if test x"$lt_cv_prog_compiler_static_works" = xyes; then + : +else + lt_prog_compiler_static= +fi + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + +hard_links="nottested" +if test "$lt_cv_prog_compiler_c_o" = no && test "$need_locks" != no; then + # do not overwrite the value of need_locks provided by the user + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 +$as_echo_n "checking if we can lock with hard links... " >&6; } + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 +$as_echo "$hard_links" >&6; } + if test "$hard_links" = no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5 +$as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;} + need_locks=warn + fi +else + need_locks=no +fi + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } + + runpath_var= + allow_undefined_flag= + always_export_symbols=no + archive_cmds= + archive_expsym_cmds= + compiler_needs_object=no + enable_shared_with_static_runtimes=no + export_dynamic_flag_spec= + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + hardcode_automatic=no + hardcode_direct=no + hardcode_direct_absolute=no + hardcode_libdir_flag_spec= + hardcode_libdir_separator= + hardcode_minus_L=no + hardcode_shlibpath_var=unsupported + inherit_rpath=no + link_all_deplibs=unknown + module_cmds= + module_expsym_cmds= + old_archive_from_new_cmds= + old_archive_from_expsyms_cmds= + thread_safe_flag_spec= + whole_archive_flag_spec= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + include_expsyms= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ` (' and `)$', so one must not match beginning or + # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', + # as well as any symbol that contains `d'. + exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*' + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test "$GCC" != yes; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd*) + with_gnu_ld=no + ;; + linux* | k*bsd*-gnu | gnu*) + link_all_deplibs=unknown + ;; + esac + + ld_shlibs=yes + + # On some targets, GNU ld is compatible enough with the native linker + # that we're better off using the native interface for both. + lt_use_gnu_ld_interface=no + if test "$with_gnu_ld" = yes; then + case $host_os in + aix*) + # The AIX port of GNU ld has always aspired to compatibility + # with the native linker. However, as the warning in the GNU ld + # block says, versions before 2.19.5* couldn't really create working + # shared libraries, regardless of the interface used. + case `$LD -v 2>&1` in + *\ \(GNU\ Binutils\)\ 2.19.5*) ;; + *\ \(GNU\ Binutils\)\ 2.[2-9]*) ;; + *\ \(GNU\ Binutils\)\ [3-9]*) ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + fi + + if test "$lt_use_gnu_ld_interface" = yes; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='${wl}' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + export_dynamic_flag_spec='${wl}--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + whole_archive_flag_spec= + fi + supports_anon_versioning=no + case `$LD -v 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[3-9]*) + # On AIX/PPC, the GNU linker is very broken + if test "$host_cpu" != ia64; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.19, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to install binutils +*** 2.20 or above, or modify your PATH so that a non-GNU linker is found. +*** You will then need to restart the configuration process. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + allow_undefined_flag=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + else + ld_shlibs=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless, + # as there is no search path for DLLs. + hardcode_libdir_flag_spec='-L$libdir' + export_dynamic_flag_spec='${wl}--export-all-symbols' + allow_undefined_flag=unsupported + always_export_symbols=no + enable_shared_with_static_runtimes=yes + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols' + exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname' + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file (1st line + # is EXPORTS), use it as is; otherwise, prepend... + archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + ld_shlibs=no + fi + ;; + + haiku*) + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + link_all_deplibs=yes + ;; + + interix[3-9]*) + hardcode_direct=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + export_dynamic_flag_spec='${wl}-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + archive_expsym_cmds='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test "$host_os" = linux-dietlibc; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test "$tmp_diet" = no + then + tmp_addflag=' $pic_flag' + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group f77 and f90 compilers + whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + whole_archive_flag_spec= + tmp_sharedflag='--shared' ;; + xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + nvcc*) # Cuda Compiler Driver 2.2 + whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + compiler_needs_object=yes + ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + whole_archive_flag_spec='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + compiler_needs_object=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + + if test "x$supports_anon_versioning" = xyes; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive' + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + ld_shlibs=no + fi + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + ;; + + sunos4*) + archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + + if test "$ld_shlibs" = no; then + runpath_var= + hardcode_libdir_flag_spec= + export_dynamic_flag_spec= + whole_archive_flag_spec= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + allow_undefined_flag=unsupported + always_export_symbols=yes + archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + hardcode_minus_L=yes + if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + hardcode_direct=unsupported + fi + ;; + + aix[4-9]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag="" + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to AIX nm, but means don't demangle with GNU nm + # Also, AIX nm treats weak defined symbols like other global + # defined symbols, whereas GNU nm marks them as "W". + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + else + export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) + for ld_flag in $LDFLAGS; do + if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then + aix_use_runtimelinking=yes + break + fi + done + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + archive_cmds='' + hardcode_direct=yes + hardcode_direct_absolute=yes + hardcode_libdir_separator=':' + link_all_deplibs=yes + file_list_spec='${wl}-f,' + + if test "$GCC" = yes; then + case $host_os in aix4.[012]|aix4.[012].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + hardcode_direct=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + hardcode_minus_L=yes + hardcode_libdir_flag_spec='-L$libdir' + hardcode_libdir_separator= + fi + ;; + esac + shared_flag='-shared' + if test "$aix_use_runtimelinking" = yes; then + shared_flag="$shared_flag "'${wl}-G' + fi + link_all_deplibs=unknown + else + # not using gcc + if test "$host_cpu" = ia64; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi + fi + fi + + export_dynamic_flag_spec='${wl}-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + always_export_symbols=yes + if test "$aix_use_runtimelinking" = yes; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + allow_undefined_flag='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + if test "${lt_cv_aix_libpath+set}" = set; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_="/usr/lib:/lib" + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" + archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" + else + if test "$host_cpu" = ia64; then + hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' + allow_undefined_flag="-z nodefs" + archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + if test "${lt_cv_aix_libpath+set}" = set; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_="/usr/lib:/lib" + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + no_undefined_flag=' ${wl}-bernotok' + allow_undefined_flag=' ${wl}-berok' + if test "$with_gnu_ld" = yes; then + # We only use this code for GNU lds that support --whole-archive. + whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + whole_archive_flag_spec='$convenience' + fi + archive_cmds_need_lc=yes + # This is similar to how AIX traditionally builds its shared libraries. + archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + bsdi[45]*) + export_dynamic_flag_spec=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + case $cc_basename in + cl*) + # Native MSVC + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + always_export_symbols=yes + file_list_spec='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' + archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; + else + sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, )='true' + enable_shared_with_static_runtimes=yes + exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + old_postinstall_cmds='chmod 644 $oldlib' + postlink_cmds='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile="$lt_outputfile.exe" + lt_tool_outputfile="$lt_tool_outputfile.exe" + ;; + esac~ + if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # Assume MSVC wrapper + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + old_archive_from_new_cmds='true' + # FIXME: Should let the user specify the lib program. + old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' + enable_shared_with_static_runtimes=yes + ;; + esac + ;; + + darwin* | rhapsody*) + + + archive_cmds_need_lc=no + hardcode_direct=no + hardcode_automatic=yes + hardcode_shlibpath_var=unsupported + if test "$lt_cv_ld_force_load" = "yes"; then + whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + + else + whole_archive_flag_spec='' + fi + link_all_deplibs=yes + allow_undefined_flag="$_lt_dar_allow_undefined" + case $cc_basename in + ifort*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test "$_lt_dar_can_shared" = "yes"; then + output_verbose_link_cmd=func_echo_all + archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" + module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" + archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" + module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" + + else + ld_shlibs=no + fi + + ;; + + dgux*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2.*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + hpux9*) + if test "$GCC" = yes; then + archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + else + archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + fi + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + export_dynamic_flag_spec='${wl}-E' + ;; + + hpux10*) + if test "$GCC" = yes && test "$with_gnu_ld" = no; then + archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test "$with_gnu_ld" = no; then + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='${wl}-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + fi + ;; + + hpux11*) + if test "$GCC" = yes && test "$with_gnu_ld" = no; then + case $host_cpu in + hppa*64*) + archive_cmds='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + archive_cmds='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + + # Older versions of the 11.00 compiler do not understand -b yet + # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5 +$as_echo_n "checking if $CC understands -b... " >&6; } +if ${lt_cv_prog_compiler__b+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler__b=no + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -b" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler__b=yes + fi + else + lt_cv_prog_compiler__b=yes + fi + fi + $RM -r conftest* + LDFLAGS="$save_LDFLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 +$as_echo "$lt_cv_prog_compiler__b" >&6; } + +if test x"$lt_cv_prog_compiler__b" = xyes; then + archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' +else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' +fi + + ;; + esac + fi + if test "$with_gnu_ld" = no; then + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + + case $host_cpu in + hppa*64*|ia64*) + hardcode_direct=no + hardcode_shlibpath_var=no + ;; + *) + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='${wl}-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test "$GCC" = yes; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + # This should be the same for all languages, so no per-tag cache variable. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 +$as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; } +if ${lt_cv_irix_exported_symbol+:} false; then : + $as_echo_n "(cached) " >&6 +else + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int foo (void) { return 0; } +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_irix_exported_symbol=yes +else + lt_cv_irix_exported_symbol=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS="$save_LDFLAGS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 +$as_echo "$lt_cv_irix_exported_symbol" >&6; } + if test "$lt_cv_irix_exported_symbol" = yes; then + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib' + fi + else + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + inherit_rpath=yes + link_all_deplibs=yes + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + newsos6) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_shlibpath_var=no + ;; + + *nto* | *qnx*) + ;; + + openbsd*) + if test -f /usr/libexec/ld.so; then + hardcode_direct=yes + hardcode_shlibpath_var=no + hardcode_direct_absolute=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + export_dynamic_flag_spec='${wl}-E' + else + case $host_os in + openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-R$libdir' + ;; + *) + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + ;; + esac + fi + else + ld_shlibs=no + fi + ;; + + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + allow_undefined_flag=unsupported + archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' + old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' + ;; + + osf3*) + if test "$GCC" = yes; then + allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' + archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test "$GCC" = yes; then + allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' + archive_cmds='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + hardcode_libdir_flag_spec='-rpath $libdir' + fi + archive_cmds_need_lc='no' + hardcode_libdir_separator=: + ;; + + solaris*) + no_undefined_flag=' -z defs' + if test "$GCC" = yes; then + wlarc='${wl}' + archive_cmds='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='${wl}' + archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_shlibpath_var=no + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands `-z linker_flag'. GCC discards it without `$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test "$GCC" = yes; then + whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + else + whole_archive_flag_spec='-z allextract$convenience -z defaultextract' + fi + ;; + esac + link_all_deplibs=yes + ;; + + sunos4*) + if test "x$host_vendor" = xsequent; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + hardcode_libdir_flag_spec='-L$libdir' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + sysv4) + case $host_vendor in + sni) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' + reload_cmds='$CC -r -o $output$reload_objs' + hardcode_direct=no + ;; + motorola) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + hardcode_shlibpath_var=no + ;; + + sysv4.3*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + export_dynamic_flag_spec='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + ld_shlibs=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) + no_undefined_flag='${wl}-z,text' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We can NOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + no_undefined_flag='${wl}-z,text' + allow_undefined_flag='${wl}-z,nodefs' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='${wl}-R,$libdir' + hardcode_libdir_separator=':' + link_all_deplibs=yes + export_dynamic_flag_spec='${wl}-Bexport' + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + *) + ld_shlibs=no + ;; + esac + + if test x$host_vendor = xsni; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + export_dynamic_flag_spec='${wl}-Blargedynsym' + ;; + esac + fi + fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5 +$as_echo "$ld_shlibs" >&6; } +test "$ld_shlibs" = no && can_build_shared=no + +with_gnu_ld=$with_gnu_ld + + + + + + + + + + + + + + + +# +# Do we need to explicitly link libc? +# +case "x$archive_cmds_need_lc" in +x|xyes) + # Assume -lc should be added + archive_cmds_need_lc=yes + + if test "$enable_shared" = yes && test "$GCC" = yes; then + case $archive_cmds in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 +$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; } +if ${lt_cv_archive_cmds_need_lc+:} false; then : + $as_echo_n "(cached) " >&6 +else + $RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$lt_prog_compiler_wl + pic_flag=$lt_prog_compiler_pic + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$allow_undefined_flag + allow_undefined_flag= + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5 + (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + then + lt_cv_archive_cmds_need_lc=no + else + lt_cv_archive_cmds_need_lc=yes + fi + allow_undefined_flag=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5 +$as_echo "$lt_cv_archive_cmds_need_lc" >&6; } + archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc + ;; + esac + fi + ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 +$as_echo_n "checking dynamic linker characteristics... " >&6; } + +if test "$GCC" = yes; then + case $host_os in + darwin*) lt_awk_arg="/^libraries:/,/LR/" ;; + *) lt_awk_arg="/^libraries:/" ;; + esac + case $host_os in + mingw* | cegcc*) lt_sed_strip_eq="s,=\([A-Za-z]:\),\1,g" ;; + *) lt_sed_strip_eq="s,=/,/,g" ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` + case $lt_search_path_spec in + *\;*) + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` + ;; + *) + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` + ;; + esac + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary. + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path/$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir" + else + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' +BEGIN {RS=" "; FS="/|\n";} { + lt_foo=""; + lt_count=0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo="/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[lt_foo]++; } + if (lt_freq[lt_foo] == 1) { print lt_foo; } +}'` + # AWK program above erroneously prepends '/' to C:/dos/paths + # for these hosts. + case $host_os in + mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ + $SED 's,/\([A-Za-z]:\),\1,g'` ;; + esac + sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` +else + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" +fi +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=".so" +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + +case $host_os in +aix3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='${libname}${release}${shared_ext}$major' + ;; + +aix[4-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test "$host_cpu" = ia64; then + # AIX 5 supports IA64 + library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line `#! .'. This would cause the generated library to + # depend on `.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[01] | aix4.[01].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # AIX (on Power*) has no versioning support, so currently we can not hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + if test "$aix_use_runtimelinking" = yes; then + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + else + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='${libname}${release}.a $libname.a' + soname_spec='${libname}${release}${shared_ext}$major' + fi + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='${libname}${shared_ext}' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[45]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=".dll" + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api" + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + library_names_spec='${libname}.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec="$LIB" + if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext' + soname_spec='${libname}${release}${major}$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib" + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[23].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[01]* | freebsdelf3.[01]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[2-9]* | freebsdelf3.[2-9]* | \ + freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=yes + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + if test "X$HPUX_IA64_MODE" = X32; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + fi + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[3-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test "$lt_cv_prog_gnu_ld" = yes; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" + sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + if ${lt_cv_shlibpath_overrides_runpath+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ + LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : + lt_cv_shlibpath_overrides_runpath=yes +fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + +fi + + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsdelf*-gnu) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='NetBSD ld.elf_so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd*) + version_type=sunos + sys_lib_dlsearch_path_spec="/usr/lib" + need_lib_prefix=no + # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. + case $host_os in + openbsd3.3 | openbsd3.3.*) need_version=yes ;; + *) need_version=no ;; + esac + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + case $host_os in + openbsd2.[89] | openbsd2.[89].*) + shlibpath_overrides_runpath=no + ;; + *) + shlibpath_overrides_runpath=yes + ;; + esac + else + shlibpath_overrides_runpath=yes + fi + ;; + +os2*) + libname_spec='$name' + shrext_cmds=".dll" + need_lib_prefix=no + library_names_spec='$libname${shared_ext} $libname.a' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=LIBPATH + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test "$with_gnu_ld" = yes; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec ;then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' + soname_spec='$libname${shared_ext}.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=freebsd-elf + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test "$with_gnu_ld" = yes; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } +test "$dynamic_linker" = no && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test "$GCC" = yes; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then + sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" +fi +if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then + sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } +hardcode_action= +if test -n "$hardcode_libdir_flag_spec" || + test -n "$runpath_var" || + test "X$hardcode_automatic" = "Xyes" ; then + + # We can hardcode non-existent directories. + if test "$hardcode_direct" != no && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test "$_LT_TAGVAR(hardcode_shlibpath_var, )" != no && + test "$hardcode_minus_L" != no; then + # Linking always hardcodes the temporary library directory. + hardcode_action=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + hardcode_action=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + hardcode_action=unsupported +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 +$as_echo "$hardcode_action" >&6; } + +if test "$hardcode_action" = relink || + test "$inherit_rpath" = yes; then + # Fast installation is not supported + enable_fast_install=no +elif test "$shlibpath_overrides_runpath" = yes || + test "$enable_shared" = no; then + # Fast installation is not necessary + enable_fast_install=needless +fi + + + + + + + if test "x$enable_dlopen" != xyes; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen="load_add_on" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen="LoadLibrary" + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen="dlopen" + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" +else + + lt_cv_dlopen="dyld" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + +fi + + ;; + + *) + ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" +if test "x$ac_cv_func_shl_load" = xyes; then : + lt_cv_dlopen="shl_load" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 +$as_echo_n "checking for shl_load in -ldld... " >&6; } +if ${ac_cv_lib_dld_shl_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char shl_load (); +int +main () +{ +return shl_load (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_shl_load=yes +else + ac_cv_lib_dld_shl_load=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 +$as_echo "$ac_cv_lib_dld_shl_load" >&6; } +if test "x$ac_cv_lib_dld_shl_load" = xyes; then : + lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld" +else + ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" +if test "x$ac_cv_func_dlopen" = xyes; then : + lt_cv_dlopen="dlopen" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 +$as_echo_n "checking for dlopen in -lsvld... " >&6; } +if ${ac_cv_lib_svld_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lsvld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_svld_dlopen=yes +else + ac_cv_lib_svld_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 +$as_echo "$ac_cv_lib_svld_dlopen" >&6; } +if test "x$ac_cv_lib_svld_dlopen" = xyes; then : + lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 +$as_echo_n "checking for dld_link in -ldld... " >&6; } +if ${ac_cv_lib_dld_dld_link+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dld_link (); +int +main () +{ +return dld_link (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_dld_link=yes +else + ac_cv_lib_dld_dld_link=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 +$as_echo "$ac_cv_lib_dld_dld_link" >&6; } +if test "x$ac_cv_lib_dld_dld_link" = xyes; then : + lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld" +fi + + +fi + + +fi + + +fi + + +fi + + +fi + + ;; + esac + + if test "x$lt_cv_dlopen" != xno; then + enable_dlopen=yes + else + enable_dlopen=no + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS="$CPPFLAGS" + test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS="$LDFLAGS" + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS="$LIBS" + LIBS="$lt_cv_dlopen_libs $LIBS" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 +$as_echo_n "checking whether a program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + lt_cv_dlopen_self=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisbility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5 +$as_echo "$lt_cv_dlopen_self" >&6; } + + if test "x$lt_cv_dlopen_self" = xyes; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5 +$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self_static+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + lt_cv_dlopen_self_static=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisbility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self_static=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5 +$as_echo "$lt_cv_dlopen_self_static" >&6; } + fi + + CPPFLAGS="$save_CPPFLAGS" + LDFLAGS="$save_LDFLAGS" + LIBS="$save_LIBS" + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi + + + + + + + + + + + + + + + + + +striplib= +old_striplib= +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5 +$as_echo_n "checking whether stripping libraries is possible... " >&6; } +if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" + test -z "$striplib" && striplib="$STRIP --strip-unneeded" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else +# FIXME - insert some real tests, host_os isn't really good enough + case $host_os in + darwin*) + if test -n "$STRIP" ; then + striplib="$STRIP -x" + old_striplib="$STRIP -S" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + fi + ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + ;; + esac +fi + + + + + + + + + + + + + # Report which library types will actually be built + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5 +$as_echo_n "checking if libtool supports shared libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5 +$as_echo "$can_build_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5 +$as_echo_n "checking whether to build shared libraries... " >&6; } + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[4-9]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5 +$as_echo "$enable_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5 +$as_echo_n "checking whether to build static libraries... " >&6; } + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5 +$as_echo "$enable_static" >&6; } + + + + +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +CC="$lt_save_CC" + + if test -n "$CXX" && ( test "X$CXX" != "Xno" && + ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) || + (test "X$CXX" != "Xg++"))) ; then + ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5 +$as_echo_n "checking how to run the C++ preprocessor... " >&6; } +if test -z "$CXXCPP"; then + if ${ac_cv_prog_CXXCPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CXXCPP needs to be expanded + for CXXCPP in "$CXX -E" "/lib/cpp" + do + ac_preproc_ok=false +for ac_cxx_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_cxx_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_cxx_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CXXCPP=$CXXCPP + +fi + CXXCPP=$ac_cv_prog_CXXCPP +else + ac_cv_prog_CXXCPP=$CXXCPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXXCPP" >&5 +$as_echo "$CXXCPP" >&6; } +ac_preproc_ok=false +for ac_cxx_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_cxx_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_cxx_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +else + _lt_caught_CXX_error=yes +fi + +ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + +archive_cmds_need_lc_CXX=no +allow_undefined_flag_CXX= +always_export_symbols_CXX=no +archive_expsym_cmds_CXX= +compiler_needs_object_CXX=no +export_dynamic_flag_spec_CXX= +hardcode_direct_CXX=no +hardcode_direct_absolute_CXX=no +hardcode_libdir_flag_spec_CXX= +hardcode_libdir_separator_CXX= +hardcode_minus_L_CXX=no +hardcode_shlibpath_var_CXX=unsupported +hardcode_automatic_CXX=no +inherit_rpath_CXX=no +module_cmds_CXX= +module_expsym_cmds_CXX= +link_all_deplibs_CXX=unknown +old_archive_cmds_CXX=$old_archive_cmds +reload_flag_CXX=$reload_flag +reload_cmds_CXX=$reload_cmds +no_undefined_flag_CXX= +whole_archive_flag_spec_CXX= +enable_shared_with_static_runtimes_CXX=no + +# Source file extension for C++ test sources. +ac_ext=cpp + +# Object file extension for compiled C++ test sources. +objext=o +objext_CXX=$objext + +# No sense in running all these tests if we already determined that +# the CXX compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_caught_CXX_error" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="int some_variable = 0;" + + # Code to be used in simple link tests + lt_simple_link_test_code='int main(int, char *[]) { return(0); }' + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + + + # save warnings/boilerplate of simple test code + ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* + + ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* + + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_CFLAGS=$CFLAGS + lt_save_LD=$LD + lt_save_GCC=$GCC + GCC=$GXX + lt_save_with_gnu_ld=$with_gnu_ld + lt_save_path_LD=$lt_cv_path_LD + if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then + lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx + else + $as_unset lt_cv_prog_gnu_ld + fi + if test -n "${lt_cv_path_LDCXX+set}"; then + lt_cv_path_LD=$lt_cv_path_LDCXX + else + $as_unset lt_cv_path_LD + fi + test -z "${LDCXX+set}" || LD=$LDCXX + CC=${CXX-"c++"} + CFLAGS=$CXXFLAGS + compiler=$CC + compiler_CXX=$CC + for cc_temp in $compiler""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac +done +cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` + + + if test -n "$compiler"; then + # We don't want -fno-exception when compiling C++ code, so set the + # no_builtin_flag separately + if test "$GXX" = yes; then + lt_prog_compiler_no_builtin_flag_CXX=' -fno-builtin' + else + lt_prog_compiler_no_builtin_flag_CXX= + fi + + if test "$GXX" = yes; then + # Set up default GNU C++ configuration + + + +# Check whether --with-gnu-ld was given. +if test "${with_gnu_ld+set}" = set; then : + withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes +else + with_gnu_ld=no +fi + +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5 +$as_echo_n "checking for ld used by $CC... " >&6; } + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [\\/]* | ?:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } +fi +if ${lt_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$LD"; then + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${lt_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 +else + # I'd rather use --version here, but apparently some GNU lds only accept -v. +case `$LD -v 2>&1 &5 +$as_echo "$lt_cv_prog_gnu_ld" >&6; } +with_gnu_ld=$lt_cv_prog_gnu_ld + + + + + + + + # Check if GNU C++ uses GNU ld as the underlying linker, since the + # archiving commands below assume that GNU ld is being used. + if test "$with_gnu_ld" = yes; then + archive_cmds_CXX='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds_CXX='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + + hardcode_libdir_flag_spec_CXX='${wl}-rpath ${wl}$libdir' + export_dynamic_flag_spec_CXX='${wl}--export-dynamic' + + # If archive_cmds runs LD, not CC, wlarc should be empty + # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to + # investigate it a little bit more. (MM) + wlarc='${wl}' + + # ancient GNU ld didn't support --whole-archive et. al. + if eval "`$CC -print-prog-name=ld` --help 2>&1" | + $GREP 'no-whole-archive' > /dev/null; then + whole_archive_flag_spec_CXX="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + whole_archive_flag_spec_CXX= + fi + else + with_gnu_ld=no + wlarc= + + # A generic and very simple default shared library creation + # command for GNU C++ for the case where it uses the native + # linker, instead of GNU ld. If possible, this setting should + # overridden to take advantage of the native linker features on + # the platform it is being used on. + archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + fi + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + GXX=no + with_gnu_ld=no + wlarc= + fi + + # PORTME: fill in a description of your system's C++ link characteristics + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } + ld_shlibs_CXX=yes + case $host_os in + aix3*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + aix[4-9]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag="" + else + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) + for ld_flag in $LDFLAGS; do + case $ld_flag in + *-brtl*) + aix_use_runtimelinking=yes + break + ;; + esac + done + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + archive_cmds_CXX='' + hardcode_direct_CXX=yes + hardcode_direct_absolute_CXX=yes + hardcode_libdir_separator_CXX=':' + link_all_deplibs_CXX=yes + file_list_spec_CXX='${wl}-f,' + + if test "$GXX" = yes; then + case $host_os in aix4.[012]|aix4.[012].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + hardcode_direct_CXX=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + hardcode_minus_L_CXX=yes + hardcode_libdir_flag_spec_CXX='-L$libdir' + hardcode_libdir_separator_CXX= + fi + esac + shared_flag='-shared' + if test "$aix_use_runtimelinking" = yes; then + shared_flag="$shared_flag "'${wl}-G' + fi + else + # not using gcc + if test "$host_cpu" = ia64; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi + fi + fi + + export_dynamic_flag_spec_CXX='${wl}-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to + # export. + always_export_symbols_CXX=yes + if test "$aix_use_runtimelinking" = yes; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + allow_undefined_flag_CXX='-berok' + # Determine the default libpath from the value encoded in an empty + # executable. + if test "${lt_cv_aix_libpath+set}" = set; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath__CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath__CXX=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath__CXX"; then + lt_cv_aix_libpath__CXX=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath__CXX"; then + lt_cv_aix_libpath__CXX="/usr/lib:/lib" + fi + +fi + + aix_libpath=$lt_cv_aix_libpath__CXX +fi + + hardcode_libdir_flag_spec_CXX='${wl}-blibpath:$libdir:'"$aix_libpath" + + archive_expsym_cmds_CXX='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" + else + if test "$host_cpu" = ia64; then + hardcode_libdir_flag_spec_CXX='${wl}-R $libdir:/usr/lib:/lib' + allow_undefined_flag_CXX="-z nodefs" + archive_expsym_cmds_CXX="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + if test "${lt_cv_aix_libpath+set}" = set; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath__CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath__CXX=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath__CXX"; then + lt_cv_aix_libpath__CXX=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath__CXX"; then + lt_cv_aix_libpath__CXX="/usr/lib:/lib" + fi + +fi + + aix_libpath=$lt_cv_aix_libpath__CXX +fi + + hardcode_libdir_flag_spec_CXX='${wl}-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + no_undefined_flag_CXX=' ${wl}-bernotok' + allow_undefined_flag_CXX=' ${wl}-berok' + if test "$with_gnu_ld" = yes; then + # We only use this code for GNU lds that support --whole-archive. + whole_archive_flag_spec_CXX='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + whole_archive_flag_spec_CXX='$convenience' + fi + archive_cmds_need_lc_CXX=yes + # This is similar to how AIX traditionally builds its shared + # libraries. + archive_expsym_cmds_CXX="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' + fi + fi + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + allow_undefined_flag_CXX=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + archive_cmds_CXX='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + else + ld_shlibs_CXX=no + fi + ;; + + chorus*) + case $cc_basename in + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + cygwin* | mingw* | pw32* | cegcc*) + case $GXX,$cc_basename in + ,cl* | no,cl*) + # Native MSVC + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + hardcode_libdir_flag_spec_CXX=' ' + allow_undefined_flag_CXX=unsupported + always_export_symbols_CXX=yes + file_list_spec_CXX='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + archive_cmds_CXX='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' + archive_expsym_cmds_CXX='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + $SED -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; + else + $SED -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, CXX)='true' + enable_shared_with_static_runtimes_CXX=yes + # Don't use ranlib + old_postinstall_cmds_CXX='chmod 644 $oldlib' + postlink_cmds_CXX='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile="$lt_outputfile.exe" + lt_tool_outputfile="$lt_tool_outputfile.exe" + ;; + esac~ + func_to_tool_file "$lt_outputfile"~ + if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # g++ + # _LT_TAGVAR(hardcode_libdir_flag_spec, CXX) is actually meaningless, + # as there is no search path for DLLs. + hardcode_libdir_flag_spec_CXX='-L$libdir' + export_dynamic_flag_spec_CXX='${wl}--export-all-symbols' + allow_undefined_flag_CXX=unsupported + always_export_symbols_CXX=no + enable_shared_with_static_runtimes_CXX=yes + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file (1st line + # is EXPORTS), use it as is; otherwise, prepend... + archive_expsym_cmds_CXX='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + ld_shlibs_CXX=no + fi + ;; + esac + ;; + darwin* | rhapsody*) + + + archive_cmds_need_lc_CXX=no + hardcode_direct_CXX=no + hardcode_automatic_CXX=yes + hardcode_shlibpath_var_CXX=unsupported + if test "$lt_cv_ld_force_load" = "yes"; then + whole_archive_flag_spec_CXX='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + + else + whole_archive_flag_spec_CXX='' + fi + link_all_deplibs_CXX=yes + allow_undefined_flag_CXX="$_lt_dar_allow_undefined" + case $cc_basename in + ifort*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test "$_lt_dar_can_shared" = "yes"; then + output_verbose_link_cmd=func_echo_all + archive_cmds_CXX="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" + module_cmds_CXX="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" + archive_expsym_cmds_CXX="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" + module_expsym_cmds_CXX="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" + if test "$lt_cv_apple_cc_single_mod" != "yes"; then + archive_cmds_CXX="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}" + archive_expsym_cmds_CXX="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}" + fi + + else + ld_shlibs_CXX=no + fi + + ;; + + dgux*) + case $cc_basename in + ec++*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + ghcx*) + # Green Hills C++ Compiler + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + freebsd2.*) + # C++ shared libraries reported to be fairly broken before + # switch to ELF + ld_shlibs_CXX=no + ;; + + freebsd-elf*) + archive_cmds_need_lc_CXX=no + ;; + + freebsd* | dragonfly*) + # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF + # conventions + ld_shlibs_CXX=yes + ;; + + haiku*) + archive_cmds_CXX='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + link_all_deplibs_CXX=yes + ;; + + hpux9*) + hardcode_libdir_flag_spec_CXX='${wl}+b ${wl}$libdir' + hardcode_libdir_separator_CXX=: + export_dynamic_flag_spec_CXX='${wl}-E' + hardcode_direct_CXX=yes + hardcode_minus_L_CXX=yes # Not in the search PATH, + # but as the default + # location of the library. + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + aCC*) + archive_cmds_CXX='$RM $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes; then + archive_cmds_CXX='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + else + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + fi + ;; + esac + ;; + + hpux10*|hpux11*) + if test $with_gnu_ld = no; then + hardcode_libdir_flag_spec_CXX='${wl}+b ${wl}$libdir' + hardcode_libdir_separator_CXX=: + + case $host_cpu in + hppa*64*|ia64*) + ;; + *) + export_dynamic_flag_spec_CXX='${wl}-E' + ;; + esac + fi + case $host_cpu in + hppa*64*|ia64*) + hardcode_direct_CXX=no + hardcode_shlibpath_var_CXX=no + ;; + *) + hardcode_direct_CXX=yes + hardcode_direct_absolute_CXX=yes + hardcode_minus_L_CXX=yes # Not in the search PATH, + # but as the default + # location of the library. + ;; + esac + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + aCC*) + case $host_cpu in + hppa*64*) + archive_cmds_CXX='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + archive_cmds_CXX='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + archive_cmds_CXX='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes; then + if test $with_gnu_ld = no; then + case $host_cpu in + hppa*64*) + archive_cmds_CXX='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + archive_cmds_CXX='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + archive_cmds_CXX='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + fi + else + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + fi + ;; + esac + ;; + + interix[3-9]*) + hardcode_direct_CXX=no + hardcode_shlibpath_var_CXX=no + hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir' + export_dynamic_flag_spec_CXX='${wl}-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + archive_cmds_CXX='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + archive_expsym_cmds_CXX='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + irix5* | irix6*) + case $cc_basename in + CC*) + # SGI C++ + archive_cmds_CXX='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + + # Archives containing C++ object files must be created using + # "CC -ar", where "CC" is the IRIX C++ compiler. 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(KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + archive_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + archive_expsym_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + + hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir' + export_dynamic_flag_spec_CXX='${wl}--export-dynamic' + + # Archives containing C++ object files must be created using + # "CC -Bstatic", where "CC" is the KAI C++ compiler. + old_archive_cmds_CXX='$CC -Bstatic -o $oldlib $oldobjs' + ;; + icpc* | ecpc* ) + # Intel C++ + with_gnu_ld=yes + # version 8.0 and above of icpc choke on multiply defined symbols + # if we add $predep_objects and $postdep_objects, however 7.1 and + # earlier do not add the objects themselves. + case `$CC -V 2>&1` in + *"Version 7."*) + archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + ;; 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+ *) # Version 6 and above use weak symbols + archive_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' + archive_expsym_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' + ;; + esac + + hardcode_libdir_flag_spec_CXX='${wl}--rpath ${wl}$libdir' + export_dynamic_flag_spec_CXX='${wl}--export-dynamic' + whole_archive_flag_spec_CXX='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + ;; + cxx*) + # Compaq C++ + archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' + + runpath_var=LD_RUN_PATH + hardcode_libdir_flag_spec_CXX='-rpath $libdir' + hardcode_libdir_separator_CXX=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' + ;; + xl* | mpixl* | bgxl*) + # IBM XL 8.0 on PPC, with GNU ld + hardcode_libdir_flag_spec_CXX='${wl}-rpath ${wl}$libdir' + export_dynamic_flag_spec_CXX='${wl}--export-dynamic' + archive_cmds_CXX='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + archive_expsym_cmds_CXX='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + no_undefined_flag_CXX=' -zdefs' + archive_cmds_CXX='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + archive_expsym_cmds_CXX='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols' + hardcode_libdir_flag_spec_CXX='-R$libdir' + whole_archive_flag_spec_CXX='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + compiler_needs_object_CXX=yes + + # Not sure whether something based on + # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 + # would be better. + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + old_archive_cmds_CXX='$CC -xar -o $oldlib $oldobjs' + ;; + esac + ;; + esac + ;; + + lynxos*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + + m88k*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + + mvs*) + case $cc_basename in + cxx*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds_CXX='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' + wlarc= + hardcode_libdir_flag_spec_CXX='-R$libdir' + hardcode_direct_CXX=yes + hardcode_shlibpath_var_CXX=no + fi + # Workaround some broken pre-1.5 toolchains + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"' + ;; + + *nto* | *qnx*) + ld_shlibs_CXX=yes + ;; + + openbsd2*) + # C++ shared libraries are fairly broken + ld_shlibs_CXX=no + ;; + + openbsd*) + if test -f /usr/libexec/ld.so; then + hardcode_direct_CXX=yes + hardcode_shlibpath_var_CXX=no + hardcode_direct_absolute_CXX=yes + archive_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir' + if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + archive_expsym_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib' + export_dynamic_flag_spec_CXX='${wl}-E' + whole_archive_flag_spec_CXX="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + fi + output_verbose_link_cmd=func_echo_all + else + ld_shlibs_CXX=no + fi + ;; + + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + archive_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + + hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir' + hardcode_libdir_separator_CXX=: + + # Archives containing C++ object files must be created using + # the KAI C++ compiler. + case $host in + osf3*) old_archive_cmds_CXX='$CC -Bstatic -o $oldlib $oldobjs' ;; + *) old_archive_cmds_CXX='$CC -o $oldlib $oldobjs' ;; + esac + ;; + RCC*) + # Rational C++ 2.4.1 + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + cxx*) + case $host in + osf3*) + allow_undefined_flag_CXX=' ${wl}-expect_unresolved ${wl}\*' + archive_cmds_CXX='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && func_echo_all "${wl}-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + hardcode_libdir_flag_spec_CXX='${wl}-rpath ${wl}$libdir' + ;; + *) + allow_undefined_flag_CXX=' -expect_unresolved \*' + archive_cmds_CXX='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + archive_expsym_cmds_CXX='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ + echo "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~ + $RM $lib.exp' + hardcode_libdir_flag_spec_CXX='-rpath $libdir' + ;; + esac + + hardcode_libdir_separator_CXX=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes && test "$with_gnu_ld" = no; then + allow_undefined_flag_CXX=' ${wl}-expect_unresolved ${wl}\*' + case $host in + osf3*) + archive_cmds_CXX='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + ;; + *) + archive_cmds_CXX='$CC -shared $pic_flag -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + ;; + esac + + hardcode_libdir_flag_spec_CXX='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator_CXX=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + fi + ;; + esac + ;; + + psos*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + lcc*) + # Lucid + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + archive_cmds_need_lc_CXX=yes + no_undefined_flag_CXX=' -zdefs' + archive_cmds_CXX='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + hardcode_libdir_flag_spec_CXX='-R$libdir' + hardcode_shlibpath_var_CXX=no + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands `-z linker_flag'. + # Supported since Solaris 2.6 (maybe 2.5.1?) + whole_archive_flag_spec_CXX='-z allextract$convenience -z defaultextract' + ;; + esac + link_all_deplibs_CXX=yes + + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + old_archive_cmds_CXX='$CC -xar -o $oldlib $oldobjs' + ;; + gcx*) + # Green Hills C++ Compiler + archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + + # The C++ compiler must be used to create the archive. + old_archive_cmds_CXX='$CC $LDFLAGS -archive -o $oldlib $oldobjs' + ;; + *) + # GNU C++ compiler with Solaris linker + if test "$GXX" = yes && test "$with_gnu_ld" = no; then + no_undefined_flag_CXX=' ${wl}-z ${wl}defs' + if $CC --version | $GREP -v '^2\.7' > /dev/null; then + archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + else + # g++ 2.7 appears to require `-G' NOT `-shared' on this + # platform. + archive_cmds_CXX='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + fi + + hardcode_libdir_flag_spec_CXX='${wl}-R $wl$libdir' + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + whole_archive_flag_spec_CXX='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + ;; + esac + fi + ;; + esac + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) + no_undefined_flag_CXX='${wl}-z,text' + archive_cmds_need_lc_CXX=no + hardcode_shlibpath_var_CXX=no + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + archive_cmds_CXX='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds_CXX='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + archive_cmds_CXX='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds_CXX='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We can NOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + no_undefined_flag_CXX='${wl}-z,text' + allow_undefined_flag_CXX='${wl}-z,nodefs' + archive_cmds_need_lc_CXX=no + hardcode_shlibpath_var_CXX=no + hardcode_libdir_flag_spec_CXX='${wl}-R,$libdir' + hardcode_libdir_separator_CXX=':' + link_all_deplibs_CXX=yes + export_dynamic_flag_spec_CXX='${wl}-Bexport' + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + archive_cmds_CXX='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds_CXX='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + old_archive_cmds_CXX='$CC -Tprelink_objects $oldobjs~ + '"$old_archive_cmds_CXX" + reload_cmds_CXX='$CC -Tprelink_objects $reload_objs~ + '"$reload_cmds_CXX" + ;; + *) + archive_cmds_CXX='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds_CXX='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + vxworks*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_CXX" >&5 +$as_echo "$ld_shlibs_CXX" >&6; } + test "$ld_shlibs_CXX" = no && can_build_shared=no + + GCC_CXX="$GXX" + LD_CXX="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + # Dependencies to place before and after the object being linked: +predep_objects_CXX= +postdep_objects_CXX= +predeps_CXX= +postdeps_CXX= +compiler_lib_search_path_CXX= + +cat > conftest.$ac_ext <<_LT_EOF +class Foo +{ +public: + Foo (void) { a = 0; } +private: + int a; +}; +_LT_EOF + + +_lt_libdeps_save_CFLAGS=$CFLAGS +case "$CC $CFLAGS " in #( +*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;; +*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;; +*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;; +esac + +if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # Parse the compiler output and extract the necessary + # objects, libraries and library flags. + + # Sentinel used to keep track of whether or not we are before + # the conftest object file. + pre_test_object_deps_done=no + + for p in `eval "$output_verbose_link_cmd"`; do + case ${prev}${p} in + + -L* | -R* | -l*) + # Some compilers place space between "-{L,R}" and the path. + # Remove the space. + if test $p = "-L" || + test $p = "-R"; then + prev=$p + continue + fi + + # Expand the sysroot to ease extracting the directories later. + if test -z "$prev"; then + case $p in + -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;; + -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;; + -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;; + esac + fi + case $p in + =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;; + esac + if test "$pre_test_object_deps_done" = no; then + case ${prev} in + -L | -R) + # Internal compiler library paths should come after those + # provided the user. The postdeps already come after the + # user supplied libs so there is no need to process them. + if test -z "$compiler_lib_search_path_CXX"; then + compiler_lib_search_path_CXX="${prev}${p}" + else + compiler_lib_search_path_CXX="${compiler_lib_search_path_CXX} ${prev}${p}" + fi + ;; + # The "-l" case would never come before the object being + # linked, so don't bother handling this case. + esac + else + if test -z "$postdeps_CXX"; then + postdeps_CXX="${prev}${p}" + else + postdeps_CXX="${postdeps_CXX} ${prev}${p}" + fi + fi + prev= + ;; + + *.lto.$objext) ;; # Ignore GCC LTO objects + *.$objext) + # This assumes that the test object file only shows up + # once in the compiler output. + if test "$p" = "conftest.$objext"; then + pre_test_object_deps_done=yes + continue + fi + + if test "$pre_test_object_deps_done" = no; then + if test -z "$predep_objects_CXX"; then + predep_objects_CXX="$p" + else + predep_objects_CXX="$predep_objects_CXX $p" + fi + else + if test -z "$postdep_objects_CXX"; then + postdep_objects_CXX="$p" + else + postdep_objects_CXX="$postdep_objects_CXX $p" + fi + fi + ;; + + *) ;; # Ignore the rest. + + esac + done + + # Clean up. + rm -f a.out a.exe +else + echo "libtool.m4: error: problem compiling CXX test program" +fi + +$RM -f confest.$objext +CFLAGS=$_lt_libdeps_save_CFLAGS + +# PORTME: override above test on systems where it is broken +case $host_os in +interix[3-9]*) + # Interix 3.5 installs completely hosed .la files for C++, so rather than + # hack all around it, let's just trust "g++" to DTRT. + predep_objects_CXX= + postdep_objects_CXX= + postdeps_CXX= + ;; + +linux*) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + + # The more standards-conforming stlport4 library is + # incompatible with the Cstd library. Avoid specifying + # it if it's in CXXFLAGS. Ignore libCrun as + # -library=stlport4 depends on it. + case " $CXX $CXXFLAGS " in + *" -library=stlport4 "*) + solaris_use_stlport4=yes + ;; + esac + + if test "$solaris_use_stlport4" != yes; then + postdeps_CXX='-library=Cstd -library=Crun' + fi + ;; + esac + ;; + +solaris*) + case $cc_basename in + CC* | sunCC*) + # The more standards-conforming stlport4 library is + # incompatible with the Cstd library. Avoid specifying + # it if it's in CXXFLAGS. Ignore libCrun as + # -library=stlport4 depends on it. + case " $CXX $CXXFLAGS " in + *" -library=stlport4 "*) + solaris_use_stlport4=yes + ;; + esac + + # Adding this requires a known-good setup of shared libraries for + # Sun compiler versions before 5.6, else PIC objects from an old + # archive will be linked into the output, leading to subtle bugs. + if test "$solaris_use_stlport4" != yes; then + postdeps_CXX='-library=Cstd -library=Crun' + fi + ;; + esac + ;; +esac + + +case " $postdeps_CXX " in +*" -lc "*) archive_cmds_need_lc_CXX=no ;; +esac + compiler_lib_search_dirs_CXX= +if test -n "${compiler_lib_search_path_CXX}"; then + compiler_lib_search_dirs_CXX=`echo " ${compiler_lib_search_path_CXX}" | ${SED} -e 's! -L! !g' -e 's!^ !!'` +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + lt_prog_compiler_wl_CXX= +lt_prog_compiler_pic_CXX= +lt_prog_compiler_static_CXX= + + + # C++ specific cases for pic, static, wl, etc. + if test "$GXX" = yes; then + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_static_CXX='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static_CXX='-Bstatic' + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + lt_prog_compiler_pic_CXX='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the `-m68020' flag to GCC prevents building anything better, + # like `-m68040'. + lt_prog_compiler_pic_CXX='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + lt_prog_compiler_pic_CXX='-DDLL_EXPORT' + ;; + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic_CXX='-fno-common' + ;; + *djgpp*) + # DJGPP does not support shared libraries at all + lt_prog_compiler_pic_CXX= + ;; + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + lt_prog_compiler_static_CXX= + ;; + interix[3-9]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic_CXX=-Kconform_pic + fi + ;; + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + ;; + *) + lt_prog_compiler_pic_CXX='-fPIC' + ;; + esac + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic_CXX='-fPIC -shared' + ;; + *) + lt_prog_compiler_pic_CXX='-fPIC' + ;; + esac + else + case $host_os in + aix[4-9]*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static_CXX='-Bstatic' + else + lt_prog_compiler_static_CXX='-bnso -bI:/lib/syscalls.exp' + fi + ;; + chorus*) + case $cc_basename in + cxch68*) + # Green Hills C++ Compiler + # _LT_TAGVAR(lt_prog_compiler_static, CXX)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" + ;; + esac + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + lt_prog_compiler_pic_CXX='-DDLL_EXPORT' + ;; + dgux*) + case $cc_basename in + ec++*) + lt_prog_compiler_pic_CXX='-KPIC' + ;; + ghcx*) + # Green Hills C++ Compiler + lt_prog_compiler_pic_CXX='-pic' + ;; + *) + ;; + esac + ;; + freebsd* | dragonfly*) + # FreeBSD uses GNU C++ + ;; + hpux9* | hpux10* | hpux11*) + case $cc_basename in + CC*) + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_static_CXX='${wl}-a ${wl}archive' + if test "$host_cpu" != ia64; then + lt_prog_compiler_pic_CXX='+Z' + fi + ;; + aCC*) + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_static_CXX='${wl}-a ${wl}archive' + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic_CXX='+Z' + ;; + esac + ;; + *) + ;; + esac + ;; + interix*) + # This is c89, which is MS Visual C++ (no shared libs) + # Anyone wants to do a port? + ;; + irix5* | irix6* | nonstopux*) + case $cc_basename in + CC*) + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_static_CXX='-non_shared' + # CC pic flag -KPIC is the default. + ;; + *) + ;; + esac + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + KCC*) + # KAI C++ Compiler + lt_prog_compiler_wl_CXX='--backend -Wl,' + lt_prog_compiler_pic_CXX='-fPIC' + ;; + ecpc* ) + # old Intel C++ for x86_64 which still supported -KPIC. + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-KPIC' + lt_prog_compiler_static_CXX='-static' + ;; + icpc* ) + # Intel C++, used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-fPIC' + lt_prog_compiler_static_CXX='-static' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-fpic' + lt_prog_compiler_static_CXX='-Bstatic' + ;; + cxx*) + # Compaq C++ + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + lt_prog_compiler_pic_CXX= + lt_prog_compiler_static_CXX='-non_shared' + ;; + xlc* | xlC* | bgxl[cC]* | mpixl[cC]*) + # IBM XL 8.0, 9.0 on PPC and BlueGene + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-qpic' + lt_prog_compiler_static_CXX='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + lt_prog_compiler_pic_CXX='-KPIC' + lt_prog_compiler_static_CXX='-Bstatic' + lt_prog_compiler_wl_CXX='-Qoption ld ' + ;; + esac + ;; + esac + ;; + lynxos*) + ;; + m88k*) + ;; + mvs*) + case $cc_basename in + cxx*) + lt_prog_compiler_pic_CXX='-W c,exportall' + ;; + *) + ;; + esac + ;; + netbsd* | netbsdelf*-gnu) + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic_CXX='-fPIC -shared' + ;; + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + lt_prog_compiler_wl_CXX='--backend -Wl,' + ;; + RCC*) + # Rational C++ 2.4.1 + lt_prog_compiler_pic_CXX='-pic' + ;; + cxx*) + # Digital/Compaq C++ + lt_prog_compiler_wl_CXX='-Wl,' + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + lt_prog_compiler_pic_CXX= + lt_prog_compiler_static_CXX='-non_shared' + ;; + *) + ;; + esac + ;; + psos*) + ;; + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + lt_prog_compiler_pic_CXX='-KPIC' + lt_prog_compiler_static_CXX='-Bstatic' + lt_prog_compiler_wl_CXX='-Qoption ld ' + ;; + gcx*) + # Green Hills C++ Compiler + lt_prog_compiler_pic_CXX='-PIC' + ;; + *) + ;; + esac + ;; + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + lt_prog_compiler_pic_CXX='-pic' + lt_prog_compiler_static_CXX='-Bstatic' + ;; + lcc*) + # Lucid + lt_prog_compiler_pic_CXX='-pic' + ;; + *) + ;; + esac + ;; + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + case $cc_basename in + CC*) + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-KPIC' + lt_prog_compiler_static_CXX='-Bstatic' + ;; + esac + ;; + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + lt_prog_compiler_pic_CXX='-KPIC' + ;; + *) + ;; + esac + ;; + vxworks*) + ;; + *) + lt_prog_compiler_can_build_shared_CXX=no + ;; + esac + fi + +case $host_os in + # For platforms which do not support PIC, -DPIC is meaningless: + *djgpp*) + lt_prog_compiler_pic_CXX= + ;; + *) + lt_prog_compiler_pic_CXX="$lt_prog_compiler_pic_CXX -DPIC" + ;; +esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... " >&6; } +if ${lt_cv_prog_compiler_pic_CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic_CXX=$lt_prog_compiler_pic_CXX +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_CXX" >&5 +$as_echo "$lt_cv_prog_compiler_pic_CXX" >&6; } +lt_prog_compiler_pic_CXX=$lt_cv_prog_compiler_pic_CXX + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$lt_prog_compiler_pic_CXX"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works" >&5 +$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works... " >&6; } +if ${lt_cv_prog_compiler_pic_works_CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic_works_CXX=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$lt_prog_compiler_pic_CXX -DPIC" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_pic_works_CXX=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works_CXX" >&5 +$as_echo "$lt_cv_prog_compiler_pic_works_CXX" >&6; } + +if test x"$lt_cv_prog_compiler_pic_works_CXX" = xyes; then + case $lt_prog_compiler_pic_CXX in + "" | " "*) ;; + *) lt_prog_compiler_pic_CXX=" $lt_prog_compiler_pic_CXX" ;; + esac +else + lt_prog_compiler_pic_CXX= + lt_prog_compiler_can_build_shared_CXX=no +fi + +fi + + + + + +# +# Check to make sure the static flag actually works. +# +wl=$lt_prog_compiler_wl_CXX eval lt_tmp_static_flag=\"$lt_prog_compiler_static_CXX\" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 +$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... 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" >&6; } + + export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + exclude_expsyms_CXX='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*' + case $host_os in + aix[4-9]*) + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to AIX nm, but means don't demangle with GNU nm + # Also, AIX nm treats weak defined symbols like other global defined + # symbols, whereas GNU nm marks them as "W". + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + export_symbols_cmds_CXX='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + else + export_symbols_cmds_CXX='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + fi + ;; + pw32*) + export_symbols_cmds_CXX="$ltdll_cmds" + ;; + cygwin* | mingw* | cegcc*) + case $cc_basename in + cl*) + exclude_expsyms_CXX='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + ;; + *) + export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols' + exclude_expsyms_CXX='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname' + ;; + esac + ;; + linux* | k*bsd*-gnu | gnu*) + link_all_deplibs_CXX=unknown + ;; + *) + export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + ;; + esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_CXX" >&5 +$as_echo "$ld_shlibs_CXX" >&6; } +test "$ld_shlibs_CXX" = no && can_build_shared=no + +with_gnu_ld_CXX=$with_gnu_ld + + + + + + +# +# Do we need to explicitly link libc? +# +case "x$archive_cmds_need_lc_CXX" in +x|xyes) + # Assume -lc should be added + archive_cmds_need_lc_CXX=yes + + if test "$enable_shared" = yes && test "$GCC" = yes; then + case $archive_cmds_CXX in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 +$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; } +if ${lt_cv_archive_cmds_need_lc_CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + $RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$lt_prog_compiler_wl_CXX + pic_flag=$lt_prog_compiler_pic_CXX + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$allow_undefined_flag_CXX + allow_undefined_flag_CXX= + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds_CXX 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5 + (eval $archive_cmds_CXX 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + then + lt_cv_archive_cmds_need_lc_CXX=no + else + lt_cv_archive_cmds_need_lc_CXX=yes + fi + allow_undefined_flag_CXX=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc_CXX" >&5 +$as_echo "$lt_cv_archive_cmds_need_lc_CXX" >&6; } + archive_cmds_need_lc_CXX=$lt_cv_archive_cmds_need_lc_CXX + ;; + esac + fi + ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 +$as_echo_n "checking dynamic linker characteristics... " >&6; } + +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=".so" +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + +case $host_os in +aix3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='${libname}${release}${shared_ext}$major' + ;; + +aix[4-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test "$host_cpu" = ia64; then + # AIX 5 supports IA64 + library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line `#! .'. This would cause the generated library to + # depend on `.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[01] | aix4.[01].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # AIX (on Power*) has no versioning support, so currently we can not hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + if test "$aix_use_runtimelinking" = yes; then + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + else + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='${libname}${release}.a $libname.a' + soname_spec='${libname}${release}${shared_ext}$major' + fi + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='${libname}${shared_ext}' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[45]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=".dll" + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + library_names_spec='${libname}.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec="$LIB" + if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext' + soname_spec='${libname}${release}${major}$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' + + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[23].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[01]* | freebsdelf3.[01]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[2-9]* | freebsdelf3.[2-9]* | \ + freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=yes + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + if test "X$HPUX_IA64_MODE" = X32; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + fi + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[3-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test "$lt_cv_prog_gnu_ld" = yes; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" + sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + if ${lt_cv_shlibpath_overrides_runpath+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$lt_prog_compiler_wl_CXX\"; \ + LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec_CXX\"" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_link "$LINENO"; then : + if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : + lt_cv_shlibpath_overrides_runpath=yes +fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + +fi + + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsdelf*-gnu) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='NetBSD ld.elf_so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd*) + version_type=sunos + sys_lib_dlsearch_path_spec="/usr/lib" + need_lib_prefix=no + # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. + case $host_os in + openbsd3.3 | openbsd3.3.*) need_version=yes ;; + *) need_version=no ;; + esac + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + case $host_os in + openbsd2.[89] | openbsd2.[89].*) + shlibpath_overrides_runpath=no + ;; + *) + shlibpath_overrides_runpath=yes + ;; + esac + else + shlibpath_overrides_runpath=yes + fi + ;; + +os2*) + libname_spec='$name' + shrext_cmds=".dll" + need_lib_prefix=no + library_names_spec='$libname${shared_ext} $libname.a' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=LIBPATH + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test "$with_gnu_ld" = yes; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec ;then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' + soname_spec='$libname${shared_ext}.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=freebsd-elf + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test "$with_gnu_ld" = yes; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } +test "$dynamic_linker" = no && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test "$GCC" = yes; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then + sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" +fi +if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then + sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } +hardcode_action_CXX= +if test -n "$hardcode_libdir_flag_spec_CXX" || + test -n "$runpath_var_CXX" || + test "X$hardcode_automatic_CXX" = "Xyes" ; then + + # We can hardcode non-existent directories. + if test "$hardcode_direct_CXX" != no && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test "$_LT_TAGVAR(hardcode_shlibpath_var, CXX)" != no && + test "$hardcode_minus_L_CXX" != no; then + # Linking always hardcodes the temporary library directory. + hardcode_action_CXX=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + hardcode_action_CXX=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + hardcode_action_CXX=unsupported +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action_CXX" >&5 +$as_echo "$hardcode_action_CXX" >&6; } + +if test "$hardcode_action_CXX" = relink || + test "$inherit_rpath_CXX" = yes; then + # Fast installation is not supported + enable_fast_install=no +elif test "$shlibpath_overrides_runpath" = yes || + test "$enable_shared" = no; then + # Fast installation is not necessary + enable_fast_install=needless +fi + + + + + + + + fi # test -n "$compiler" + + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS + LDCXX=$LD + LD=$lt_save_LD + GCC=$lt_save_GCC + with_gnu_ld=$lt_save_with_gnu_ld + lt_cv_path_LDCXX=$lt_cv_path_LD + lt_cv_path_LD=$lt_save_path_LD + lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld + lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld +fi # test "$_lt_caught_CXX_error" != yes + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + + + + + + + + + + + + + + ac_config_commands="$ac_config_commands libtool" + + + + +# Only expand once: + + + +# rw_PROG_CXX_WORKS +# Check whether the C++ compiler works. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler works" >&5 +$as_echo_n "checking whether the C++ compiler works... " >&6; } +if ${rw_cv_prog_cxx_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_link "$LINENO"; then : + + check_cxx_designated_initializers=yes + +else + + rw_cv_prog_cxx_works=no + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + + if test "x$check_cxx_designated_initializers" = "xyes"; then : + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + struct foo { int a; int b; }; + void fct(void) + { + struct foo f = { .a = 0, .b = 1 }; + } + +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + + rw_cv_prog_cxx_works=yes + +else + + rw_cv_prog_cxx_works=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi + + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $rw_cv_prog_cxx_works" >&5 +$as_echo "$rw_cv_prog_cxx_works" >&6; } + + if test "x$rw_cv_prog_cxx_works" = "xyes"; then + CXX_WORKS_TRUE= + CXX_WORKS_FALSE='#' +else + CXX_WORKS_TRUE='#' + CXX_WORKS_FALSE= +fi + + +# Check if the compiler support weak symbols + + # starting point: no aliasing scheme yet... + ax_sys_weak_alias=no + + # Figure out what kind of aliasing may be supported... + # Test whether compiler accepts __attribute__ form of weak aliasing + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts function __attribute__((weak,alias()))" >&5 +$as_echo_n "checking whether $CC accepts function __attribute__((weak,alias()))... " >&6; } +if ${ax_cv_sys_weak_alias_attribute+:} false; then : + $as_echo_n "(cached) " >&6 +else + + # We add -Werror if it's gcc to force an error exit if the weak attribute + # isn't understood + if test $GCC = yes; then : + + save_CFLAGS=$CFLAGS + CFLAGS=-Werror +fi + + # Try linking with a weak alias... + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +void __weakf(int c) {} +void weakf(int c) __attribute__((weak, alias("__weakf"))); +int +main () +{ +weakf(0) + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ax_cv_sys_weak_alias_attribute=yes +else + ax_cv_sys_weak_alias_attribute=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + + # Restore original CFLAGS + if test $GCC = yes; then : + + CFLAGS=$save_CFLAGS +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_sys_weak_alias_attribute" >&5 +$as_echo "$ax_cv_sys_weak_alias_attribute" >&6; } + + # What was the result of the test? + if test $ax_sys_weak_alias = no && + test $ax_cv_sys_weak_alias_attribute = yes; then : + + ax_sys_weak_alias=attribute + +$as_echo "#define HAVE_SYS_WEAK_ALIAS_ATTRIBUTE 1" >>confdefs.h + + +fi + + # Test whether compiler accepts #pragma form of weak aliasing + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports #pragma weak" >&5 +$as_echo_n "checking whether $CC supports #pragma weak... " >&6; } +if ${ax_cv_sys_weak_alias_pragma+:} false; then : + $as_echo_n "(cached) " >&6 +else + + + # Try linking with a weak alias... + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +extern void weakf(int c); +#pragma weak weakf = __weakf +void __weakf(int c) {} +int +main () +{ +weakf(0) + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ax_cv_sys_weak_alias_pragma=yes +else + ax_cv_sys_weak_alias_pragma=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_sys_weak_alias_pragma" >&5 +$as_echo "$ax_cv_sys_weak_alias_pragma" >&6; } + + # What was the result of the test? + if test $ax_sys_weak_alias = no && + test $ax_cv_sys_weak_alias_pragma = yes; then : + + ax_sys_weak_alias=pragma + +$as_echo "#define HAVE_SYS_WEAK_ALIAS_PRAGMA 1" >>confdefs.h + + +fi + + # Test whether compiler accepts _HP_SECONDARY_DEF pragma from HP... + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports #pragma _HP_SECONDARY_DEF" >&5 +$as_echo_n "checking whether $CC supports #pragma _HP_SECONDARY_DEF... " >&6; } +if ${ax_cv_sys_weak_alias_hpsecondary+:} false; then : + $as_echo_n "(cached) " >&6 +else + + + # Try linking with a weak alias... + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +extern void weakf(int c); +#pragma _HP_SECONDARY_DEF __weakf weakf +void __weakf(int c) {} +int +main () +{ +weakf(0) + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ax_cv_sys_weak_alias_hpsecondary=yes +else + ax_cv_sys_weak_alias_hpsecondary=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_sys_weak_alias_hpsecondary" >&5 +$as_echo "$ax_cv_sys_weak_alias_hpsecondary" >&6; } + + # What was the result of the test? + if test $ax_sys_weak_alias = no && + test $ax_cv_sys_weak_alias_hpsecondary = yes; then : + + ax_sys_weak_alias=hpsecondary + +$as_echo "#define HAVE_SYS_WEAK_ALIAS_HPSECONDARY 1" >>confdefs.h + + +fi + + # Test whether compiler accepts "_CRI duplicate" pragma from Cray + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports #pragma _CRI duplicate" >&5 +$as_echo_n "checking whether $CC supports #pragma _CRI duplicate... " >&6; } +if ${ax_cv_sys_weak_alias_criduplicate+:} false; then : + $as_echo_n "(cached) " >&6 +else + + + # Try linking with a weak alias... + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +extern void weakf(int c); +#pragma _CRI duplicate weakf as __weakf +void __weakf(int c) {} +int +main () +{ +weakf(0) + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ax_cv_sys_weak_alias_criduplicate=yes +else + ax_cv_sys_weak_alias_criduplicate=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_sys_weak_alias_criduplicate" >&5 +$as_echo "$ax_cv_sys_weak_alias_criduplicate" >&6; } + + # What was the result of the test? + if test $ax_sys_weak_alias = no && + test $ax_cv_sys_weak_alias_criduplicate = yes; then : + + ax_sys_weak_alias=criduplicate + +$as_echo "#define HAVE_SYS_WEAK_ALIAS_CRIDUPLICATE 1" >>confdefs.h + + +fi + + + # Do we actually support aliasing? + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to create weak aliases with $CC" >&5 +$as_echo_n "checking how to create weak aliases with $CC... " >&6; } +if ${ax_cv_sys_weak_alias+:} false; then : + $as_echo_n "(cached) " >&6 +else + ax_cv_sys_weak_alias=$ax_sys_weak_alias +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_sys_weak_alias" >&5 +$as_echo "$ax_cv_sys_weak_alias" >&6; } + + # OK, set a #define + if test $ax_cv_sys_weak_alias != no; then : + + +$as_echo "#define HAVE_SYS_WEAK_ALIAS 1" >>confdefs.h + + +fi + + # Can aliases cross object file boundaries? + # Check to see if weak aliases can cross object file boundaries + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports weak aliases across object file boundaries" >&5 +$as_echo_n "checking whether $CC supports weak aliases across object file boundaries... " >&6; } +if ${ax_cv_sys_weak_alias_crossfile+:} false; then : + $as_echo_n "(cached) " >&6 +else + + if test $ax_cv_sys_weak_alias = no; then : + ax_cv_sys_weak_alias_crossfile=no +else + + # conftest1 contains our weak alias definition... + cat >conftest1.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF + cat confdefs.h >>conftest1.$ac_ext + cat >>conftest1.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +#ifndef HAVE_SYS_WEAK_ALIAS_ATTRIBUTE +extern void weakf(int c); +#endif +#if defined(HAVE_SYS_WEAK_ALIAS_PRAGMA) +#pragma weak weakf = __weakf +#elif defined(HAVE_SYS_WEAK_ALIAS_HPSECONDARY) +#pragma _HP_SECONDARY_DEF __weakf weakf +#elif defined(HAVE_SYS_WEAK_ALIAS_CRIDUPLICATE) +#pragma _CRI duplicate weakf as __weakf +#endif +void __weakf(int c) {} +#ifdef HAVE_SYS_WEAK_ALIAS_ATTRIBUTE +void weakf(int c) __attribute((weak, alias("__weakf"))); +#endif +_ACEOF + # And conftest2 contains our main routine that calls it + cat >conftest2.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF + cat confdefs.h >> conftest2.$ac_ext + cat >>conftest2.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +extern void weakf(int c); +int +main () +{ + weakf(0); + return 0; +} +_ACEOF + # We must remove the object files (if any) ourselves... + rm -f conftest2.$ac_objext conftest$ac_exeext + + # Change ac_link to compile *2* files together + save_aclink=$ac_link + ac_link=`echo "$ac_link" | \ + sed -e 's/conftest\(\.\$ac_ext\)/conftest1\1 conftest2\1/'` + # Since we created the files ourselves, don't use SOURCE argument + if ac_fn_c_try_link "$LINENO"; then : + ax_cv_sys_weak_alias_crossfile=yes +else + ax_cv_sys_weak_alias_crossfile=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + # Restore ac_link + ac_link=$save_aclink + + # We must remove the object files (if any) and C files ourselves... + rm -f conftest1.$ac_ext conftest2.$ac_ext \ + conftest1.$ac_objext conftest2.$ac_objext + +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_sys_weak_alias_crossfile" >&5 +$as_echo "$ax_cv_sys_weak_alias_crossfile" >&6; } + + # What were the results of the test? + if test $ax_cv_sys_weak_alias_crossfile = yes; then : + + +$as_echo "#define HAVE_SYS_WEAK_ALIAS_CROSSFILE 1" >>confdefs.h + + +fi + + + # OK, remember the results + WEAK_ALIAS=$ax_cv_sys_weak_alias + + WEAK_ALIAS_CROSSFILE=$ax_cv_sys_weak_alias_crossfile + + + +if test "x${ax_cv_sys_weak_alias}" = "xno"; then : + + as_fn_error $? "Your platform doesn't support weak symbols." "$LINENO" 5 + +fi + +# Checks for libraries. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + + have_libdl=yes + +else + + #libdl not found, check for dlopen in libc. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lc" >&5 +$as_echo_n "checking for dlopen in -lc... " >&6; } +if ${ac_cv_lib_c_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lc $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_c_dlopen=yes +else + ac_cv_lib_c_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_dlopen" >&5 +$as_echo "$ac_cv_lib_c_dlopen" >&6; } +if test "x$ac_cv_lib_c_dlopen" = xyes; then : + + have_libc_dl=yes + +else + + as_fn_error $? "Cannot find dlopen in libdl nor libc. Use LDFLAGS=-Ldir to specify their location." "$LINENO" 5 + +fi + + +fi + + + if test "x$have_libdl" = "xyes"; then + LTTNG_UST_BUILD_WITH_LIBDL_TRUE= + LTTNG_UST_BUILD_WITH_LIBDL_FALSE='#' +else + LTTNG_UST_BUILD_WITH_LIBDL_TRUE='#' + LTTNG_UST_BUILD_WITH_LIBDL_FALSE= +fi + + if test "x$have_libc_dl" = "xyes"; then + LTTNG_UST_BUILD_WITH_LIBC_DL_TRUE= + LTTNG_UST_BUILD_WITH_LIBC_DL_FALSE='#' +else + LTTNG_UST_BUILD_WITH_LIBC_DL_TRUE='#' + LTTNG_UST_BUILD_WITH_LIBC_DL_FALSE= +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5 +$as_echo_n "checking for pthread_create in -lpthread... " >&6; } +if ${ac_cv_lib_pthread_pthread_create+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lpthread $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char pthread_create (); +int +main () +{ +return pthread_create (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_pthread_pthread_create=yes +else + ac_cv_lib_pthread_pthread_create=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5 +$as_echo "$ac_cv_lib_pthread_pthread_create" >&6; } +if test "x$ac_cv_lib_pthread_pthread_create" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBPTHREAD 1 +_ACEOF + + LIBS="-lpthread $LIBS" + +fi + + +# Check for dlfcn.h +ac_fn_c_check_header_mongrel "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default" +if test "x$ac_cv_header_dlfcn_h" = xyes; then : + +fi + + +if test "x${ac_cv_header_dlfcn_h}" = "xyes"; then : + + ac_fn_c_check_decl "$LINENO" "RTLD_DI_LINKMAP" "ac_cv_have_decl_RTLD_DI_LINKMAP" " + #define _GNU_SOURCE /* Required on Linux to get GNU extensions */ + #include + +" +if test "x$ac_cv_have_decl_RTLD_DI_LINKMAP" = xyes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_RTLD_DI_LINKMAP $ac_have_decl +_ACEOF + + +else + + ac_cv_have_decl_RTLD_DI_LINKMAP="no" + +fi + + if test "x${ac_cv_have_decl_RTLD_DI_LINKMAP}" = "xyes"; then + HAVE_DLINFO_TRUE= + HAVE_DLINFO_FALSE='#' +else + HAVE_DLINFO_TRUE='#' + HAVE_DLINFO_FALSE= +fi + + +# Checks for header files. + +# Checks for typedefs, structures, and compiler characteristics. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5 +$as_echo_n "checking for inline... " >&6; } +if ${ac_cv_c_inline+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_c_inline=no +for ac_kw in inline __inline__ __inline; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifndef __cplusplus +typedef int foo_t; +static $ac_kw foo_t static_foo () {return 0; } +$ac_kw foo_t foo () {return 0; } +#endif + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_inline=$ac_kw +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + test "$ac_cv_c_inline" != no && break +done + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5 +$as_echo "$ac_cv_c_inline" >&6; } + +case $ac_cv_c_inline in + inline | yes) ;; + *) + case $ac_cv_c_inline in + no) ac_val=;; + *) ac_val=$ac_cv_c_inline;; + esac + cat >>confdefs.h <<_ACEOF +#ifndef __cplusplus +#define inline $ac_val +#endif +_ACEOF + ;; +esac + + +# Checks for library functions. +for ac_header in stdlib.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "stdlib.h" "ac_cv_header_stdlib_h" "$ac_includes_default" +if test "x$ac_cv_header_stdlib_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_STDLIB_H 1 +_ACEOF + +fi + +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU libc compatible malloc" >&5 +$as_echo_n "checking for GNU libc compatible malloc... " >&6; } +if ${ac_cv_func_malloc_0_nonnull+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + ac_cv_func_malloc_0_nonnull=no +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#if defined STDC_HEADERS || defined HAVE_STDLIB_H +# include +#else +char *malloc (); +#endif + +int +main () +{ +return ! malloc (0); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_func_malloc_0_nonnull=yes +else + ac_cv_func_malloc_0_nonnull=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_malloc_0_nonnull" >&5 +$as_echo "$ac_cv_func_malloc_0_nonnull" >&6; } +if test $ac_cv_func_malloc_0_nonnull = yes; then : + +$as_echo "#define HAVE_MALLOC 1" >>confdefs.h + +else + $as_echo "#define HAVE_MALLOC 0" >>confdefs.h + + case " $LIBOBJS " in + *" malloc.$ac_objext "* ) ;; + *) LIBOBJS="$LIBOBJS malloc.$ac_objext" + ;; +esac + + +$as_echo "#define malloc rpl_malloc" >>confdefs.h + +fi + + +for ac_func in gettimeofday munmap socket strerror strtol sched_getcpu sysconf +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + +CFLAGS="-Wall $CFLAGS" + +# URCU + +# urcu - check if we just find the headers it out of the box. +for ac_header in urcu-bp.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "urcu-bp.h" "ac_cv_header_urcu_bp_h" "$ac_includes_default" +if test "x$ac_cv_header_urcu_bp_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_URCU_BP_H 1 +_ACEOF + +else + as_fn_error $? "Cannot find URCU headers (urcu-bp.h). Use CPPFLAGS=-Idir to specify their location. +This error can also occur when the liburcu package's configure script has not been run." "$LINENO" 5 +fi + +done + + +# urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation +# Part of Userspace RCU library 0.7.2 or better. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _cds_lfht_new in -lurcu-cds" >&5 +$as_echo_n "checking for _cds_lfht_new in -lurcu-cds... " >&6; } +if ${ac_cv_lib_urcu_cds__cds_lfht_new+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lurcu-cds $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char _cds_lfht_new (); +int +main () +{ +return _cds_lfht_new (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_urcu_cds__cds_lfht_new=yes +else + ac_cv_lib_urcu_cds__cds_lfht_new=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_urcu_cds__cds_lfht_new" >&5 +$as_echo "$ac_cv_lib_urcu_cds__cds_lfht_new" >&6; } +if test "x$ac_cv_lib_urcu_cds__cds_lfht_new" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBURCU_CDS 1 +_ACEOF + + LIBS="-lurcu-cds $LIBS" + +else + as_fn_error $? "Cannot find +liburcu-cds lib, part of Userspace RCU 0.7 or better. Use LDFLAGS=-Ldir to specify its location." "$LINENO" 5 +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking caa_likely()" >&5 +$as_echo_n "checking caa_likely()... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include + void fct(void) + { + if (caa_likely(1)) { + } + } + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? "Please upgrade your version of liburcu to 0.6.6 or better" "$LINENO" 5 + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +# urcu - check that URCU lib is available to compilation +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for synchronize_rcu_bp in -lurcu-bp" >&5 +$as_echo_n "checking for synchronize_rcu_bp in -lurcu-bp... " >&6; } +if ${ac_cv_lib_urcu_bp_synchronize_rcu_bp+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lurcu-bp $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char synchronize_rcu_bp (); +int +main () +{ +return synchronize_rcu_bp (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_urcu_bp_synchronize_rcu_bp=yes +else + ac_cv_lib_urcu_bp_synchronize_rcu_bp=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_urcu_bp_synchronize_rcu_bp" >&5 +$as_echo "$ac_cv_lib_urcu_bp_synchronize_rcu_bp" >&6; } +if test "x$ac_cv_lib_urcu_bp_synchronize_rcu_bp" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBURCU_BP 1 +_ACEOF + + LIBS="-lurcu-bp $LIBS" + +else + as_fn_error $? "Cannot find liburcu-bp lib. Use LDFLAGS=-Ldir to specify its location." "$LINENO" 5 +fi + + +# urcu - check that URCU lib is at least version 0.6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for call_rcu_bp in -lurcu-bp" >&5 +$as_echo_n "checking for call_rcu_bp in -lurcu-bp... " >&6; } +if ${ac_cv_lib_urcu_bp_call_rcu_bp+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lurcu-bp $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char call_rcu_bp (); +int +main () +{ +return call_rcu_bp (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_urcu_bp_call_rcu_bp=yes +else + ac_cv_lib_urcu_bp_call_rcu_bp=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_urcu_bp_call_rcu_bp" >&5 +$as_echo "$ac_cv_lib_urcu_bp_call_rcu_bp" >&6; } +if test "x$ac_cv_lib_urcu_bp_call_rcu_bp" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBURCU_BP 1 +_ACEOF + + LIBS="-lurcu-bp $LIBS" + +else + as_fn_error $? "liburcu 0.6 or newer is needed, please update your version or use LDFLAGS=-Ldir to specify the right location." "$LINENO" 5 +fi + + +# optional linux/perf_event.h +for ac_header in linux/perf_event.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "linux/perf_event.h" "ac_cv_header_linux_perf_event_h" "$ac_includes_default" +if test "x$ac_cv_header_linux_perf_event_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LINUX_PERF_EVENT_H 1 +_ACEOF + have_perf_event=yes +fi + +done + + +# Perf event counters are only supported on x86 so far. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking UST support for architecture perf event counters" >&5 +$as_echo_n "checking UST support for architecture perf event counters... " >&6; } +case $host_cpu in #( + i[3456]86) : + UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes ;; #( + x86_64) : + UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes ;; #( + amd64) : + UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes ;; #( + *) : + UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=no ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" >&5 +$as_echo "$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" >&6; } + + if test "x$have_perf_event" = "xyes" && test "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"; then + HAVE_PERF_EVENT_TRUE= + HAVE_PERF_EVENT_FALSE='#' +else + HAVE_PERF_EVENT_TRUE='#' + HAVE_PERF_EVENT_FALSE= +fi + + +if test "x$have_perf_event" = "xyes" && test "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"; then : + + $as_echo "#define LTTNG_UST_HAVE_PERF_EVENT 1" >>confdefs.h + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system alignment requirements" >&5 +$as_echo_n "checking host system alignment requirements... " >&6; } +case $host_cpu in #( + i[3456]86) : + ;; #( + x86_64) : + ;; #( + amd64) : + ;; #( + powerpc) : + ;; #( + ppc64) : + ;; #( + ppc64le) : + ;; #( + powerpc64) : + ;; #( + powerpc64le) : + ;; #( + s390) : + NO_UNALIGNED_ACCESS=1 ;; #( + s390x) : + NO_UNALIGNED_ACCESS=1 ;; #( + arm*) : + NO_UNALIGNED_ACCESS=1 ;; #( + aarch64*) : + NO_UNALIGNED_ACCESS=1 ;; #( + mips*) : + NO_UNALIGNED_ACCESS=1 ;; #( + tile*) : + NO_UNALIGNED_ACCESS=1 ;; #( + *) : + + UNSUPPORTED_ARCH=1 + NO_UNALIGNED_ACCESS=1 + ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $host_cpu" >&5 +$as_echo "$host_cpu" >&6; } + +if test "x$NO_UNALIGNED_ACCESS" = "x"; then : + + $as_echo "#define LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS 1" >>confdefs.h + + +fi + +# Check for JNI header files if requested +# Check whether --enable-jni-interface was given. +if test "${enable_jni_interface+set}" = set; then : + enableval=$enable_jni_interface; + jni_interface=$enableval + +else + + jni_interface=no + +fi + + + if test "x$jni_interface" = "xyes"; then + BUILD_JNI_INTERFACE_TRUE= + BUILD_JNI_INTERFACE_FALSE='#' +else + BUILD_JNI_INTERFACE_TRUE='#' + BUILD_JNI_INTERFACE_FALSE= +fi + + + +# Check whether --enable-java-agent-jul was given. +if test "${enable_java_agent_jul+set}" = set; then : + enableval=$enable_java_agent_jul; + java_agent_jul=$enableval + +else + + java_agent_jul=no + +fi + + +# Check whether --enable-java-agent-log4j was given. +if test "${enable_java_agent_log4j+set}" = set; then : + enableval=$enable_java_agent_log4j; + java_agent_log4j=$enableval + +else + + java_agent_log4j=no + +fi + + +# Check whether --enable-java-agent-all was given. +if test "${enable_java_agent_all+set}" = set; then : + enableval=$enable_java_agent_all; + java_agent_jul=$enableval + java_agent_log4j=$enableval + +else + : +fi + + + if test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"; then + BUILD_JAVA_AGENT_TRUE= + BUILD_JAVA_AGENT_FALSE='#' +else + BUILD_JAVA_AGENT_TRUE='#' + BUILD_JAVA_AGENT_FALSE= +fi + + if test "x$java_agent_jul" = "xyes"; then + BUILD_JAVA_AGENT_WITH_JUL_TRUE= + BUILD_JAVA_AGENT_WITH_JUL_FALSE='#' +else + BUILD_JAVA_AGENT_WITH_JUL_TRUE='#' + BUILD_JAVA_AGENT_WITH_JUL_FALSE= +fi + + if test "x$java_agent_log4j" = "xyes"; then + BUILD_JAVA_AGENT_WITH_LOG4J_TRUE= + BUILD_JAVA_AGENT_WITH_LOG4J_FALSE='#' +else + BUILD_JAVA_AGENT_WITH_LOG4J_TRUE='#' + BUILD_JAVA_AGENT_WITH_LOG4J_FALSE= +fi + + +if test "x$jni_interface" = "xyes" || test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"; then : + + + +# Check whether --with-java-prefix was given. +if test "${with_java_prefix+set}" = set; then : + withval=$with_java_prefix; +fi + + +# Check whether --with-javac-flags was given. +if test "${with_javac_flags+set}" = set; then : + withval=$with_javac_flags; +fi + + +# Check whether --with-java-flags was given. +if test "${with_java_flags+set}" = set; then : + withval=$with_java_flags; +fi + +JAVAPREFIX=$with_java_prefix +JAVACFLAGS=$with_javac_flags +JAVAFLAGS=$with_java_flags + + +if test "x$JAVAPREFIX" = x; then : + test "x$JAVAC" = x && for ac_prog in "gcj -C" guavac jikes javac +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_JAVAC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$JAVAC"; then + ac_cv_prog_JAVAC="$JAVAC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_JAVAC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +JAVAC=$ac_cv_prog_JAVAC +if test -n "$JAVAC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $JAVAC" >&5 +$as_echo "$JAVAC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$JAVAC" && break +done + +else + test "x$JAVAC" = x && for ac_prog in "gcj -C" guavac jikes javac +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_JAVAC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$JAVAC"; then + ac_cv_prog_JAVAC="$JAVAC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $JAVAPREFIX/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_JAVAC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +JAVAC=$ac_cv_prog_JAVAC +if test -n "$JAVAC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $JAVAC" >&5 +$as_echo "$JAVAC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$JAVAC" && break +done + +fi +test "x$JAVAC" = x && as_fn_error $? "no acceptable Java compiler found in \$PATH" "$LINENO" 5 + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $JAVAC works" >&5 +$as_echo_n "checking if $JAVAC works... " >&6; } +if ${ac_cv_prog_javac_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + +JAVA_TEST=Test.java +CLASS_TEST=Test.class +cat << \EOF > $JAVA_TEST +/* #line 16973 "configure" */ +public class Test { +} +EOF +if { ac_try='$JAVAC $JAVACFLAGS $JAVA_TEST' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null 2>&1; then + ac_cv_prog_javac_works=yes +else + as_fn_error $? "The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?)" "$LINENO" 5 + echo "configure: failed program was:" >&5 + cat $JAVA_TEST >&5 +fi +rm -f $JAVA_TEST $CLASS_TEST + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_javac_works" >&5 +$as_echo "$ac_cv_prog_javac_works" >&6; } + + + +if test "x$JAVAPREFIX" = x; then : + test x$JAVA = x && for ac_prog in kaffe java +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_JAVA+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$JAVA"; then + ac_cv_prog_JAVA="$JAVA" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_JAVA="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +JAVA=$ac_cv_prog_JAVA +if test -n "$JAVA"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $JAVA" >&5 +$as_echo "$JAVA" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$JAVA" && break +done + +else + test x$JAVA = x && for ac_prog in kaffe java +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_JAVA+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$JAVA"; then + ac_cv_prog_JAVA="$JAVA" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $JAVAPREFIX/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_JAVA="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +JAVA=$ac_cv_prog_JAVA +if test -n "$JAVA"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $JAVA" >&5 +$as_echo "$JAVA" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$JAVA" && break +done + +fi +test x$JAVA = x && as_fn_error $? "no acceptable Java virtual machine found in \$PATH" "$LINENO" 5 + +# Extract the first word of "uudecode", so it can be a program name with args. +set dummy uudecode; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_UUDECODE+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $UUDECODE in + [\\/]* | ?:[\\/]*) + ac_cv_path_UUDECODE="$UUDECODE" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_UUDECODE="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_UUDECODE" && ac_cv_path_UUDECODE="no" + ;; +esac +fi +UUDECODE=$ac_cv_path_UUDECODE +if test -n "$UUDECODE"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $UUDECODE" >&5 +$as_echo "$UUDECODE" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +if test x$UUDECODE != xno; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if uudecode can decode base 64 file" >&5 +$as_echo_n "checking if uudecode can decode base 64 file... " >&6; } +if ${ac_cv_prog_uudecode_base64+:} false; then : + $as_echo_n "(cached) " >&6 +else + +cat << \EOF > Test.uue +begin-base64 644 Test.class +yv66vgADAC0AFQcAAgEABFRlc3QHAAQBABBqYXZhL2xhbmcvT2JqZWN0AQAE +bWFpbgEAFihbTGphdmEvbGFuZy9TdHJpbmc7KVYBAARDb2RlAQAPTGluZU51 +bWJlclRhYmxlDAAKAAsBAARleGl0AQAEKEkpVgoADQAJBwAOAQAQamF2YS9s +YW5nL1N5c3RlbQEABjxpbml0PgEAAygpVgwADwAQCgADABEBAApTb3VyY2VG +aWxlAQAJVGVzdC5qYXZhACEAAQADAAAAAAACAAkABQAGAAEABwAAACEAAQAB +AAAABQO4AAyxAAAAAQAIAAAACgACAAAACgAEAAsAAQAPABAAAQAHAAAAIQAB +AAEAAAAFKrcAErEAAAABAAgAAAAKAAIAAAAEAAQABAABABMAAAACABQ= +==== +EOF +if $UUDECODE Test.uue; then + ac_cv_prog_uudecode_base64=yes +else + echo "configure: 17148: uudecode had trouble decoding base 64 file 'Test.uue'" >&5 + echo "configure: failed file was:" >&5 + cat Test.uue >&5 + ac_cv_prog_uudecode_base64=no +fi +rm -f Test.uue +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_uudecode_base64" >&5 +$as_echo "$ac_cv_prog_uudecode_base64" >&6; } +fi +if test x$ac_cv_prog_uudecode_base64 != xyes; then + rm -f Test.class + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: I have to compile Test.class from scratch" >&5 +$as_echo "$as_me: WARNING: I have to compile Test.class from scratch" >&2;} + if test x$ac_cv_prog_javac_works = xno; then + as_fn_error $? "Cannot compile java source. $JAVAC does not work properly" "$LINENO" 5 + fi + if test x$ac_cv_prog_javac_works = x; then + +if test "x$JAVAPREFIX" = x; then : + test "x$JAVAC" = x && for ac_prog in "gcj -C" guavac jikes javac +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_JAVAC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$JAVAC"; then + ac_cv_prog_JAVAC="$JAVAC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_JAVAC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +JAVAC=$ac_cv_prog_JAVAC +if test -n "$JAVAC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $JAVAC" >&5 +$as_echo "$JAVAC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$JAVAC" && break +done + +else + test "x$JAVAC" = x && for ac_prog in "gcj -C" guavac jikes javac +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_JAVAC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$JAVAC"; then + ac_cv_prog_JAVAC="$JAVAC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $JAVAPREFIX/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_JAVAC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +JAVAC=$ac_cv_prog_JAVAC +if test -n "$JAVAC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $JAVAC" >&5 +$as_echo "$JAVAC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$JAVAC" && break +done + +fi +test "x$JAVAC" = x && as_fn_error $? "no acceptable Java compiler found in \$PATH" "$LINENO" 5 + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $JAVAC works" >&5 +$as_echo_n "checking if $JAVAC works... " >&6; } +if ${ac_cv_prog_javac_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + +JAVA_TEST=Test.java +CLASS_TEST=Test.class +cat << \EOF > $JAVA_TEST +/* #line 17265 "configure" */ +public class Test { +} +EOF +if { ac_try='$JAVAC $JAVACFLAGS $JAVA_TEST' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null 2>&1; then + ac_cv_prog_javac_works=yes +else + as_fn_error $? "The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?)" "$LINENO" 5 + echo "configure: failed program was:" >&5 + cat $JAVA_TEST >&5 +fi +rm -f $JAVA_TEST $CLASS_TEST + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_javac_works" >&5 +$as_echo "$ac_cv_prog_javac_works" >&6; } + + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $JAVA works" >&5 +$as_echo_n "checking if $JAVA works... " >&6; } +if ${ac_cv_prog_java_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + +JAVA_TEST=Test.java +CLASS_TEST=Test.class +TEST=Test +cat << \EOF > $JAVA_TEST +/* [#]line 17300 "configure" */ +public class Test { +public static void main (String args[]) { + System.exit (0); +} } +EOF +if test x$ac_cv_prog_uudecode_base64 != xyes; then + if { ac_try='$JAVAC $JAVACFLAGS $JAVA_TEST' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } && test -s $CLASS_TEST; then + : + else + echo "configure: failed program was:" >&5 + cat $JAVA_TEST >&5 + as_fn_error $? "The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?)" "$LINENO" 5 + fi +fi +if { ac_try='$JAVA -classpath . $JAVAFLAGS $TEST' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null 2>&1; then + ac_cv_prog_java_works=yes +else + echo "configure: failed program was:" >&5 + cat $JAVA_TEST >&5 + as_fn_error $? "The Java VM $JAVA failed (see config.log, check the CLASSPATH?)" "$LINENO" 5 +fi +rm -fr $JAVA_TEST $CLASS_TEST Test.uue + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_java_works" >&5 +$as_echo "$ac_cv_prog_java_works" >&6; } + + + + +if test "x$JAVAPREFIX" = x; then : + test "x$JAR" = x && for ac_prog in jar +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_JAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$JAR"; then + ac_cv_prog_JAR="$JAR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_JAR="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +JAR=$ac_cv_prog_JAR +if test -n "$JAR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $JAR" >&5 +$as_echo "$JAR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$JAR" && break +done + +else + test "x$JAR" = x && for ac_prog in jar +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_JAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$JAR"; then + ac_cv_prog_JAR="$JAR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $JAVAPREFIX/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_JAR="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +JAR=$ac_cv_prog_JAR +if test -n "$JAR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $JAR" >&5 +$as_echo "$JAR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$JAR" && break +done + +fi +test "x$JAR" = x && as_fn_error $? "no acceptable jar program found in \$PATH" "$LINENO" 5 + + + + +JNI_INCLUDE_DIRS="" + +if test "x$JAVA_HOME" != x; then + _JTOPDIR="$JAVA_HOME" +else + if test "x$JAVAC" = x; then + JAVAC=javac + fi + # Extract the first word of "$JAVAC", so it can be a program name with args. +set dummy $JAVAC; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path__ACJNI_JAVAC+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $_ACJNI_JAVAC in + [\\/]* | ?:[\\/]*) + ac_cv_path__ACJNI_JAVAC="$_ACJNI_JAVAC" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path__ACJNI_JAVAC="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path__ACJNI_JAVAC" && ac_cv_path__ACJNI_JAVAC="no" + ;; +esac +fi +_ACJNI_JAVAC=$ac_cv_path__ACJNI_JAVAC +if test -n "$_ACJNI_JAVAC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $_ACJNI_JAVAC" >&5 +$as_echo "$_ACJNI_JAVAC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + if test "x$_ACJNI_JAVAC" = xno; then + as_fn_error $? "cannot find JDK; try setting \$JAVAC or \$JAVA_HOME" "$LINENO" 5 + fi + +# find the include directory relative to the javac executable +_cur=""$_ACJNI_JAVAC"" +while ls -ld "$_cur" 2>/dev/null | grep " -> " >/dev/null; do + { $as_echo "$as_me:${as_lineno-$LINENO}: checking symlink for $_cur" >&5 +$as_echo_n "checking symlink for $_cur... " >&6; } + _slink=`ls -ld "$_cur" | sed 's/.* -> //'` + case "$_slink" in + /*) _cur="$_slink";; + # 'X' avoids triggering unwanted echo options. + *) _cur=`echo "X$_cur" | sed -e 's/^X//' -e 's:[^/]*$::'`"$_slink";; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $_cur" >&5 +$as_echo "$_cur" >&6; } +done +_ACJNI_FOLLOWED="$_cur" + + _JTOPDIR=`echo "$_ACJNI_FOLLOWED" | sed -e 's://*:/:g' -e 's:/[^/]*$::'` +fi + +case "$host_os" in + darwin*) _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[^/]*$::'` + _JINC="$_JTOPDIR/Headers";; + *) _JINC="$_JTOPDIR/include";; +esac +$as_echo "$as_me:${as_lineno-$LINENO}: _JTOPDIR=$_JTOPDIR" >&5 +$as_echo "$as_me:${as_lineno-$LINENO}: _JINC=$_JINC" >&5 + +# On Mac OS X 10.6.4, jni.h is a symlink: +# /System/Library/Frameworks/JavaVM.framework/Versions/Current/Headers/jni.h +# -> ../../CurrentJDK/Headers/jni.h. +as_ac_File=`$as_echo "ac_cv_file_$_JINC/jni.h" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $_JINC/jni.h" >&5 +$as_echo_n "checking for $_JINC/jni.h... " >&6; } +if eval \${$as_ac_File+:} false; then : + $as_echo_n "(cached) " >&6 +else + test "$cross_compiling" = yes && + as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5 +if test -r "$_JINC/jni.h"; then + eval "$as_ac_File=yes" +else + eval "$as_ac_File=no" +fi +fi +eval ac_res=\$$as_ac_File + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_ac_File"\" = x"yes"; then : + JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JINC" +else + _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[^/]*$::'` + as_ac_File=`$as_echo "ac_cv_file_$_JTOPDIR/include/jni.h" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $_JTOPDIR/include/jni.h" >&5 +$as_echo_n "checking for $_JTOPDIR/include/jni.h... " >&6; } +if eval \${$as_ac_File+:} false; then : + $as_echo_n "(cached) " >&6 +else + test "$cross_compiling" = yes && + as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5 +if test -r "$_JTOPDIR/include/jni.h"; then + eval "$as_ac_File=yes" +else + eval "$as_ac_File=no" +fi +fi +eval ac_res=\$$as_ac_File + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_ac_File"\" = x"yes"; then : + JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include" +else + as_fn_error $? "cannot find JDK header files" "$LINENO" 5 +fi + + +fi + + +# get the likely subdirectories for system specific java includes +case "$host_os" in +bsdi*) _JNI_INC_SUBDIRS="bsdos";; +freebsd*) _JNI_INC_SUBDIRS="freebsd";; +linux*) _JNI_INC_SUBDIRS="linux genunix";; +osf*) _JNI_INC_SUBDIRS="alpha";; +solaris*) _JNI_INC_SUBDIRS="solaris";; +mingw*) _JNI_INC_SUBDIRS="win32";; +cygwin*) _JNI_INC_SUBDIRS="win32";; +*) _JNI_INC_SUBDIRS="genunix";; +esac + +# add any subdirectories that are present +for JINCSUBDIR in $_JNI_INC_SUBDIRS +do + if test -d "$_JTOPDIR/include/$JINCSUBDIR"; then + JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include/$JINCSUBDIR" + fi +done + + for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS + do + CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR" + done + + +# Extract the first word of "javah", so it can be a program name with args. +set dummy javah; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_JAVAH+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $JAVAH in + [\\/]* | ?:[\\/]*) + ac_cv_path_JAVAH="$JAVAH" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_JAVAH="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +JAVAH=$ac_cv_path_JAVAH +if test -n "$JAVAH"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $JAVAH" >&5 +$as_echo "$JAVAH" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +if test -n "$ac_cv_path_JAVAH"; then : + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + + ac_save_CPPFLAGS="$CPPFLAGS" + ax_prog_javah_bin_dir=`$as_dirname -- $ac_cv_path_JAVAH || +$as_expr X$ac_cv_path_JAVAH : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X$ac_cv_path_JAVAH : 'X\(//\)[^/]' \| \ + X$ac_cv_path_JAVAH : 'X\(//\)$' \| \ + X$ac_cv_path_JAVAH : 'X\(/\)' \| . 2>/dev/null || +$as_echo X$ac_cv_path_JAVAH | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + ac_dir="`$as_dirname -- $ax_prog_javah_bin || +$as_expr X$ax_prog_javah_bin : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X$ax_prog_javah_bin : 'X\(//\)[^/]' \| \ + X$ax_prog_javah_bin : 'X\(//\)$' \| \ + X$ax_prog_javah_bin : 'X\(/\)' \| . 2>/dev/null || +$as_echo X$ax_prog_javah_bin | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'`/include" + case $build_os in #( + cygwin*) : + ac_machdep=win32 ;; #( + *) : + ac_machdep=`$as_echo $build_os | sed 's,[-0-9].*,,'` ;; +esac + CPPFLAGS="$ac_save_CPPFLAGS -I$ac_dir -I$ac_dir/$ac_machdep" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + ac_save_CPPFLAGS="$CPPFLAGS" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unable to include " >&5 +$as_echo "$as_me: WARNING: unable to include " >&2;} +fi +rm -f conftest.err conftest.i conftest.$ac_ext + CPPFLAGS="$ac_save_CPPFLAGS" +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +fi + + +fi + +if test "x$java_agent_log4j" = "xyes"; then : + + +if test "x$CLASSPATH" = x; then + echo "You have no CLASSPATH, I hope it is good" +else + echo "You have CLASSPATH $CLASSPATH, hope it is correct" +fi + + + +ac_var_name=`echo org.apache.log4j.Logger | sed 's/\./_/g'` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for org.apache.log4j.Logger class" >&5 +$as_echo_n "checking for org.apache.log4j.Logger class... " >&6; } +if eval \${ax_cv_class_$ac_var_name+:} false; then : + $as_echo_n "(cached) " >&6 +else + +if test x$ac_cv_prog_uudecode_base64 = xyes; then +cat << \EOF > Test.uue +begin-base64 644 Test.class +yv66vgADAC0AKQcAAgEABFRlc3QHAAQBABBqYXZhL2xhbmcvT2JqZWN0AQAE +bWFpbgEAFihbTGphdmEvbGFuZy9TdHJpbmc7KVYBAARDb2RlAQAPTGluZU51 +bWJlclRhYmxlDAAKAAsBAANlcnIBABVMamF2YS9pby9QcmludFN0cmVhbTsJ +AA0ACQcADgEAEGphdmEvbGFuZy9TeXN0ZW0IABABABBNaXNzaW5nIGFyZ3Vt +ZW50DAASABMBAAdwcmludGxuAQAVKExqYXZhL2xhbmcvU3RyaW5nOylWCgAV +ABEHABYBABNqYXZhL2lvL1ByaW50U3RyZWFtDAAYABkBAARleGl0AQAEKEkp +VgoADQAXDAAcAB0BAAdmb3JOYW1lAQAlKExqYXZhL2xhbmcvU3RyaW5nOylM +amF2YS9sYW5nL0NsYXNzOwoAHwAbBwAgAQAPamF2YS9sYW5nL0NsYXNzBwAi +AQAgamF2YS9sYW5nL0NsYXNzTm90Rm91bmRFeGNlcHRpb24BAAY8aW5pdD4B +AAMoKVYMACMAJAoAAwAlAQAKU291cmNlRmlsZQEACVRlc3QuamF2YQAhAAEA +AwAAAAAAAgAJAAUABgABAAcAAABtAAMAAwAAACkqvgSiABCyAAwSD7YAFBBN +uAAaKgMyuAAeTKcACE0EuAAaAUwDuAAasQABABMAGgAdACEAAQAIAAAAKgAK +AAAACgAAAAsABgANAA4ADgATABAAEwASAB4AFgAiABgAJAAZACgAGgABACMA +JAABAAcAAAAhAAEAAQAAAAUqtwAmsQAAAAEACAAAAAoAAgAAAAQABAAEAAEA +JwAAAAIAKA== +==== +EOF + if $UUDECODE Test.uue; then + : + else + echo "configure: 17755: uudecode had trouble decoding base 64 file 'Test.uue'" >&5 + echo "configure: failed file was:" >&5 + cat Test.uue >&5 + ac_cv_prog_uudecode_base64=no + fi + rm -f Test.uue + if { ac_try='$JAVA -classpath ".:$CLASSPATH" $JAVAFLAGS Test org.apache.log4j.Logger' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } >/dev/null 2>&1; then + eval "ac_cv_class_$ac_var_name=yes" + else + eval "ac_cv_class_$ac_var_name=no" + fi + rm -f Test.class +else + +cat << \EOF > Test.java +/* #line 17775 "configure" */ +import org.apache.log4j.Logger; +public class Test { + +} +EOF +if { ac_try='$JAVAC $JAVACFLAGS Test.java' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } && test -s Test.class +then + eval "ac_cv_class_$ac_var_name=yes" +else + echo "configure: failed program was:" >&5 + cat Test.java >&5 + rm -fr Test.java Test.class + eval "ac_cv_class_$ac_var_name=no" +fi +rm -fr Test.java Test.class +fi +eval "ac_var_val=$`eval echo ac_cv_class_$ac_var_name`" +eval "HAVE_$ac_var_name=$`echo ac_cv_class_$ac_var_val`" +HAVE_LAST_CLASS=$ac_var_val +if test x$ac_var_val = xyes; then + : +else + : +fi + +fi + +eval "ac_var_val=$`eval echo ac_cv_class_$ac_var_name`" +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_var_val" >&5 +$as_echo "$ac_var_val" >&6; } + + if test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"; then : + + as_fn_error $? "The UST Java agent support for log4j was requested but the Log4j classes were not found. Please specify the location of the Log4j jar via the Java CLASSPATH e.g: export CLASSPATH=\"/path/to/log4j.jar\"" "$LINENO" 5 + +fi + +fi + +# Option to build the python agent +# Check whether --enable-python-agent was given. +if test "${enable_python_agent+set}" = set; then : + enableval=$enable_python_agent; + python_agent=$enableval + +else + : +fi + + if test "x$python_agent" = "xyes"; then + BUILD_PYTHON_AGENT_TRUE= + BUILD_PYTHON_AGENT_FALSE='#' +else + BUILD_PYTHON_AGENT_TRUE='#' + BUILD_PYTHON_AGENT_FALSE= +fi + +if test "x$python_agent" = "xyes"; then : + + + + + + + + if test -n "$PYTHON"; then + # If the user set $PYTHON, use it and don't search something else. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $PYTHON version is >= 2.7" >&5 +$as_echo_n "checking whether $PYTHON version is >= 2.7... " >&6; } + prog="import sys +# split strings by '.' and convert to numeric. Append some zeros +# because we need at least 4 digits for the hex conversion. +# map returns an iterator in Python 3.0 and a list in 2.x +minver = list(map(int, '2.7'.split('.'))) + [0, 0, 0] +minverhex = 0 +# xrange is not present in Python 3.0 and range returns an iterator +for i in list(range(0, 4)): minverhex = (minverhex << 8) + minver[i] +sys.exit(sys.hexversion < minverhex)" + if { echo "$as_me:$LINENO: $PYTHON -c "$prog"" >&5 + ($PYTHON -c "$prog") >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? "Python interpreter is too old" "$LINENO" 5 +fi + am_display_PYTHON=$PYTHON + else + # Otherwise, try each interpreter until we find one that satisfies + # VERSION. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a Python interpreter with version >= 2.7" >&5 +$as_echo_n "checking for a Python interpreter with version >= 2.7... " >&6; } +if ${am_cv_pathless_PYTHON+:} false; then : + $as_echo_n "(cached) " >&6 +else + + for am_cv_pathless_PYTHON in python python2 python3 python3.3 python3.2 python3.1 python3.0 python2.7 python2.6 python2.5 python2.4 python2.3 python2.2 python2.1 python2.0 none; do + test "$am_cv_pathless_PYTHON" = none && break + prog="import sys +# split strings by '.' and convert to numeric. Append some zeros +# because we need at least 4 digits for the hex conversion. +# map returns an iterator in Python 3.0 and a list in 2.x +minver = list(map(int, '2.7'.split('.'))) + [0, 0, 0] +minverhex = 0 +# xrange is not present in Python 3.0 and range returns an iterator +for i in list(range(0, 4)): minverhex = (minverhex << 8) + minver[i] +sys.exit(sys.hexversion < minverhex)" + if { echo "$as_me:$LINENO: $am_cv_pathless_PYTHON -c "$prog"" >&5 + ($am_cv_pathless_PYTHON -c "$prog") >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then : + break +fi + done +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_pathless_PYTHON" >&5 +$as_echo "$am_cv_pathless_PYTHON" >&6; } + # Set $PYTHON to the absolute path of $am_cv_pathless_PYTHON. + if test "$am_cv_pathless_PYTHON" = none; then + PYTHON=: + else + # Extract the first word of "$am_cv_pathless_PYTHON", so it can be a program name with args. +set dummy $am_cv_pathless_PYTHON; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_PYTHON+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $PYTHON in + [\\/]* | ?:[\\/]*) + ac_cv_path_PYTHON="$PYTHON" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_PYTHON="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +PYTHON=$ac_cv_path_PYTHON +if test -n "$PYTHON"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PYTHON" >&5 +$as_echo "$PYTHON" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi + am_display_PYTHON=$am_cv_pathless_PYTHON + fi + + + if test "$PYTHON" = :; then + as_fn_error $? "no suitable Python interpreter found" "$LINENO" 5 + else + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $am_display_PYTHON version" >&5 +$as_echo_n "checking for $am_display_PYTHON version... " >&6; } +if ${am_cv_python_version+:} false; then : + $as_echo_n "(cached) " >&6 +else + am_cv_python_version=`$PYTHON -c "import sys; sys.stdout.write(sys.version[:3])"` +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_version" >&5 +$as_echo "$am_cv_python_version" >&6; } + PYTHON_VERSION=$am_cv_python_version + + + + PYTHON_PREFIX='${prefix}' + + PYTHON_EXEC_PREFIX='${exec_prefix}' + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $am_display_PYTHON platform" >&5 +$as_echo_n "checking for $am_display_PYTHON platform... " >&6; } +if ${am_cv_python_platform+:} false; then : + $as_echo_n "(cached) " >&6 +else + am_cv_python_platform=`$PYTHON -c "import sys; sys.stdout.write(sys.platform)"` +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_platform" >&5 +$as_echo "$am_cv_python_platform" >&6; } + PYTHON_PLATFORM=$am_cv_python_platform + + + # Just factor out some code duplication. + am_python_setup_sysconfig="\ +import sys +# Prefer sysconfig over distutils.sysconfig, for better compatibility +# with python 3.x. See automake bug#10227. +try: + import sysconfig +except ImportError: + can_use_sysconfig = 0 +else: + can_use_sysconfig = 1 +# Can't use sysconfig in CPython 2.7, since it's broken in virtualenvs: +# +try: + from platform import python_implementation + if python_implementation() == 'CPython' and sys.version[:3] == '2.7': + can_use_sysconfig = 0 +except ImportError: + pass" + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $am_display_PYTHON script directory" >&5 +$as_echo_n "checking for $am_display_PYTHON script directory... " >&6; } +if ${am_cv_python_pythondir+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "x$prefix" = xNONE + then + am_py_prefix=$ac_default_prefix + else + am_py_prefix=$prefix + fi + am_cv_python_pythondir=`$PYTHON -c " +$am_python_setup_sysconfig +if can_use_sysconfig: + sitedir = sysconfig.get_path('purelib', vars={'base':'$am_py_prefix'}) +else: + from distutils import sysconfig + sitedir = sysconfig.get_python_lib(0, 0, prefix='$am_py_prefix') +sys.stdout.write(sitedir)"` + case $am_cv_python_pythondir in + $am_py_prefix*) + am__strip_prefix=`echo "$am_py_prefix" | sed 's|.|.|g'` + am_cv_python_pythondir=`echo "$am_cv_python_pythondir" | sed "s,^$am__strip_prefix,$PYTHON_PREFIX,"` + ;; + *) + case $am_py_prefix in + /usr|/System*) ;; + *) + am_cv_python_pythondir=$PYTHON_PREFIX/lib/python$PYTHON_VERSION/site-packages + ;; + esac + ;; + esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_pythondir" >&5 +$as_echo "$am_cv_python_pythondir" >&6; } + pythondir=$am_cv_python_pythondir + + + + pkgpythondir=\${pythondir}/$PACKAGE + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $am_display_PYTHON extension module directory" >&5 +$as_echo_n "checking for $am_display_PYTHON extension module directory... " >&6; } +if ${am_cv_python_pyexecdir+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "x$exec_prefix" = xNONE + then + am_py_exec_prefix=$am_py_prefix + else + am_py_exec_prefix=$exec_prefix + fi + am_cv_python_pyexecdir=`$PYTHON -c " +$am_python_setup_sysconfig +if can_use_sysconfig: + sitedir = sysconfig.get_path('platlib', vars={'platbase':'$am_py_prefix'}) +else: + from distutils import sysconfig + sitedir = sysconfig.get_python_lib(1, 0, prefix='$am_py_prefix') +sys.stdout.write(sitedir)"` + case $am_cv_python_pyexecdir in + $am_py_exec_prefix*) + am__strip_prefix=`echo "$am_py_exec_prefix" | sed 's|.|.|g'` + am_cv_python_pyexecdir=`echo "$am_cv_python_pyexecdir" | sed "s,^$am__strip_prefix,$PYTHON_EXEC_PREFIX,"` + ;; + *) + case $am_py_exec_prefix in + /usr|/System*) ;; + *) + am_cv_python_pyexecdir=$PYTHON_EXEC_PREFIX/lib/python$PYTHON_VERSION/site-packages + ;; + esac + ;; + esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_pyexecdir" >&5 +$as_echo "$am_cv_python_pyexecdir" >&6; } + pyexecdir=$am_cv_python_pyexecdir + + + + pkgpyexecdir=\${pyexecdir}/$PACKAGE + + + + fi + + + +fi + +# sdt.h integration + +# Check whether --with-sdt was given. +if test "${with_sdt+set}" = set; then : + withval=$with_sdt; + with_sdt=$withval + +else + + with_sdt="no" + +fi + + +if test "x$with_sdt" = "xyes"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking STAP_PROBEV()" >&5 +$as_echo_n "checking STAP_PROBEV()... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #define SDT_USE_VARIADIC + #include + void fct(void) + { + STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10); + } + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + $as_echo "#define LTTNG_UST_HAVE_SDT_INTEGRATION 1" >>confdefs.h + + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? "The sdt.h integration was requested but the STAP_PROBEV define cannot be used. Make sure it is installed, and up to date, or use CPPFLAGS=-I/path/ to specify a non-standard path to sys/sdt.h" "$LINENO" 5 + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether shared libraries are enabled" >&5 +$as_echo_n "checking whether shared libraries are enabled... " >&6; } +if test "x$enable_shared" = "xyes"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? "LTTng-UST requires shared libraries to be enabled" "$LINENO" 5 + +fi + + +# Check whether --with-lttng-system-rundir was given. +if test "${with_lttng_system_rundir+set}" = set; then : + withval=$with_lttng_system_rundir; + lttng_system_rundir="$withval" + +else + + lttng_system_rundir="/var/run/lttng" + +fi + + +cat >>confdefs.h <<_ACEOF +#define LTTNG_SYSTEM_RUNDIR "$lttng_system_rundir" +_ACEOF + + +# Extract the first word of "python", so it can be a program name with args. +set dummy python; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_BUILD_GEN_TP_EXAMPLES+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$BUILD_GEN_TP_EXAMPLES"; then + ac_cv_prog_BUILD_GEN_TP_EXAMPLES="$BUILD_GEN_TP_EXAMPLES" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_BUILD_GEN_TP_EXAMPLES=""yes"" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +BUILD_GEN_TP_EXAMPLES=$ac_cv_prog_BUILD_GEN_TP_EXAMPLES +if test -n "$BUILD_GEN_TP_EXAMPLES"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BUILD_GEN_TP_EXAMPLES" >&5 +$as_echo "$BUILD_GEN_TP_EXAMPLES" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + if test "x$BUILD_GEN_TP_EXAMPLES" = "xyes"; then + BUILD_GEN_TP_EXAMPLES_TRUE= + BUILD_GEN_TP_EXAMPLES_FALSE='#' +else + BUILD_GEN_TP_EXAMPLES_TRUE='#' + BUILD_GEN_TP_EXAMPLES_FALSE= +fi + + +# Set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file +# is not distributed in tarballs. +if test -f "$srcdir/bootstrap"; then : + in_git_repo=yes +else + in_git_repo=no +fi + if test "x$in_git_repo" = "xyes"; then + IN_GIT_REPO_TRUE= + IN_GIT_REPO_FALSE='#' +else + IN_GIT_REPO_TRUE='#' + IN_GIT_REPO_FALSE= +fi + + +# Enable building man pages (user's intention). +# Check whether --enable-man-pages was given. +if test "${enable_man_pages+set}" = set; then : + enableval=$enable_man_pages; man_pages_opt=$enableval +else + man_pages_opt=yes + +fi + + +# Check for asciidoc and xmlto if we enabled building the man pages. +have_asciidoc_xmlto=no + +if test "x$man_pages_opt" = "xyes"; then : + + # Extract the first word of "asciidoc", so it can be a program name with args. +set dummy asciidoc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_ASCIIDOC+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $ASCIIDOC in + [\\/]* | ?:[\\/]*) + ac_cv_path_ASCIIDOC="$ASCIIDOC" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_ASCIIDOC="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_ASCIIDOC" && ac_cv_path_ASCIIDOC="no" + ;; +esac +fi +ASCIIDOC=$ac_cv_path_ASCIIDOC +if test -n "$ASCIIDOC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ASCIIDOC" >&5 +$as_echo "$ASCIIDOC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + # Extract the first word of "xmlto", so it can be a program name with args. +set dummy xmlto; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_XMLTO+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $XMLTO in + [\\/]* | ?:[\\/]*) + ac_cv_path_XMLTO="$XMLTO" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_XMLTO="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_XMLTO" && ac_cv_path_XMLTO="no" + ;; +esac +fi +XMLTO=$ac_cv_path_XMLTO +if test -n "$XMLTO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $XMLTO" >&5 +$as_echo "$XMLTO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + if test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"; then : + + if test "x$in_git_repo" = "xyes"; then : + + # This is an error because we're in the Git repo, which + # means the man pages are not already generated for us, + # thus asciidoc/xmlto are required because we were asked + # to build the man pages. + as_fn_error $? " +Both asciidoc and xmlto are needed to build the LTTng-UST man pages. Use +--disable-man-pages to disable building the man pages, in which case +they will not be installed. + " "$LINENO" 5 + +else + + # Only warn here: since we're in the tarball, the man + # pages should already be generated at this point, thus + # asciidoc/xmlto are not strictly required. + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: +Both asciidoc and xmlto are needed to build the LTTng-UST man pages. +Note that the man pages are already built in this distribution tarball, +so asciidoc and xmlto are only needed if you intend to modify their +sources. Use --disable-man-pages to completely disable building +and installing the man pages. + " >&5 +$as_echo "$as_me: WARNING: +Both asciidoc and xmlto are needed to build the LTTng-UST man pages. +Note that the man pages are already built in this distribution tarball, +so asciidoc and xmlto are only needed if you intend to modify their +sources. Use --disable-man-pages to completely disable building +and installing the man pages. + " >&2;} + +fi + +else + + have_asciidoc_xmlto=yes + +fi + +fi + +# Export man page build condition: build the man pages if the user +# asked for it, and if the tools are available. + if test "x$man_pages_opt" != "xno"; then + MAN_PAGES_OPT_TRUE= + MAN_PAGES_OPT_FALSE='#' +else + MAN_PAGES_OPT_TRUE='#' + MAN_PAGES_OPT_FALSE= +fi + + if test "x$have_asciidoc_xmlto" = "xyes"; then + HAVE_ASCIIDOC_XMLTO_TRUE= + HAVE_ASCIIDOC_XMLTO_FALSE='#' +else + HAVE_ASCIIDOC_XMLTO_TRUE='#' + HAVE_ASCIIDOC_XMLTO_FALSE= +fi + + +# Default values + + + + +cat >>confdefs.h <<_ACEOF +#define CONFIG_LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS 3000 +_ACEOF + + LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS="3000" + + + +ac_config_files="$ac_config_files Makefile doc/Makefile doc/examples/Makefile doc/man/Makefile include/Makefile include/lttng/ust-version.h snprintf/Makefile libringbuffer/Makefile liblttng-ust-comm/Makefile liblttng-ust/Makefile liblttng-ust-ctl/Makefile liblttng-ust-fork/Makefile liblttng-ust-dl/Makefile liblttng-ust-java/Makefile liblttng-ust-java-agent/Makefile liblttng-ust-java-agent/java/Makefile liblttng-ust-java-agent/java/lttng-ust-agent-all/Makefile liblttng-ust-java-agent/java/lttng-ust-agent-common/Makefile liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile liblttng-ust-java-agent/jni/Makefile liblttng-ust-java-agent/jni/common/Makefile liblttng-ust-java-agent/jni/jul/Makefile liblttng-ust-java-agent/jni/log4j/Makefile liblttng-ust-libc-wrapper/Makefile liblttng-ust-cyg-profile/Makefile liblttng-ust-python-agent/Makefile python-lttngust/Makefile python-lttngust/setup.py python-lttngust/lttngust/__init__.py tools/Makefile tests/Makefile tests/ctf-types/Makefile tests/hello/Makefile tests/hello.cxx/Makefile tests/same_line_tracepoint/Makefile tests/snprintf/Makefile tests/ust-elf/Makefile tests/benchmark/Makefile tests/utils/Makefile tests/test-app-ctx/Makefile tests/gcc-weak-hidden/Makefile lttng-ust.pc" + + +# Create link for python agent for the VPATH guru. +ac_config_links="$ac_config_links python-lttngust/lttngust/agent.py:python-lttngust/lttngust/agent.py python-lttngust/lttngust/cmd.py:python-lttngust/lttngust/cmd.py python-lttngust/lttngust/debug.py:python-lttngust/lttngust/debug.py python-lttngust/lttngust/loghandler.py:python-lttngust/lttngust/loghandler.py" + + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5 +$as_echo_n "checking that generated files are newer than configure... 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Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" +config_links="$ac_config_links" +config_commands="$ac_config_commands" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Configuration links: +$config_links + +Configuration commands: +$config_commands + +Report bugs to ." + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" +ac_cs_version="\\ +lttng-ust config.status 2.8.1 +configured by $0, generated by GNU Autoconf 2.69, + with options \\"\$ac_cs_config\\" + +Copyright (C) 2012 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +INSTALL='$INSTALL' +MKDIR_P='$MKDIR_P' +AWK='$AWK' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=?*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + $as_echo "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + $as_echo "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? "missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error $? "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) + $as_echo "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error $? "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + $as_echo "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# +# INIT-COMMANDS +# +AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir" + + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +sed_quote_subst='$sed_quote_subst' +double_quote_subst='$double_quote_subst' +delay_variable_subst='$delay_variable_subst' +macro_version='`$ECHO "$macro_version" | $SED "$delay_single_quote_subst"`' +macro_revision='`$ECHO "$macro_revision" | $SED "$delay_single_quote_subst"`' +enable_shared='`$ECHO "$enable_shared" | $SED "$delay_single_quote_subst"`' +enable_static='`$ECHO "$enable_static" | $SED "$delay_single_quote_subst"`' +pic_mode='`$ECHO "$pic_mode" | $SED "$delay_single_quote_subst"`' +enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`' +SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`' +ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`' +PATH_SEPARATOR='`$ECHO "$PATH_SEPARATOR" | $SED "$delay_single_quote_subst"`' +host_alias='`$ECHO "$host_alias" | $SED "$delay_single_quote_subst"`' +host='`$ECHO "$host" | $SED "$delay_single_quote_subst"`' +host_os='`$ECHO "$host_os" | $SED "$delay_single_quote_subst"`' +build_alias='`$ECHO "$build_alias" | $SED "$delay_single_quote_subst"`' +build='`$ECHO "$build" | $SED "$delay_single_quote_subst"`' +build_os='`$ECHO "$build_os" | $SED "$delay_single_quote_subst"`' +SED='`$ECHO "$SED" | $SED "$delay_single_quote_subst"`' +Xsed='`$ECHO "$Xsed" | $SED "$delay_single_quote_subst"`' +GREP='`$ECHO "$GREP" | $SED "$delay_single_quote_subst"`' +EGREP='`$ECHO "$EGREP" | $SED "$delay_single_quote_subst"`' +FGREP='`$ECHO "$FGREP" | $SED "$delay_single_quote_subst"`' +LD='`$ECHO "$LD" | $SED "$delay_single_quote_subst"`' +NM='`$ECHO "$NM" | $SED "$delay_single_quote_subst"`' +LN_S='`$ECHO "$LN_S" | $SED "$delay_single_quote_subst"`' +max_cmd_len='`$ECHO "$max_cmd_len" | $SED "$delay_single_quote_subst"`' +ac_objext='`$ECHO "$ac_objext" | $SED "$delay_single_quote_subst"`' +exeext='`$ECHO "$exeext" | $SED "$delay_single_quote_subst"`' +lt_unset='`$ECHO "$lt_unset" | $SED "$delay_single_quote_subst"`' +lt_SP2NL='`$ECHO "$lt_SP2NL" | $SED "$delay_single_quote_subst"`' +lt_NL2SP='`$ECHO "$lt_NL2SP" | $SED "$delay_single_quote_subst"`' +lt_cv_to_host_file_cmd='`$ECHO "$lt_cv_to_host_file_cmd" | $SED "$delay_single_quote_subst"`' +lt_cv_to_tool_file_cmd='`$ECHO "$lt_cv_to_tool_file_cmd" | $SED "$delay_single_quote_subst"`' +reload_flag='`$ECHO "$reload_flag" | $SED "$delay_single_quote_subst"`' +reload_cmds='`$ECHO "$reload_cmds" | $SED "$delay_single_quote_subst"`' +OBJDUMP='`$ECHO "$OBJDUMP" | $SED "$delay_single_quote_subst"`' +deplibs_check_method='`$ECHO "$deplibs_check_method" | $SED "$delay_single_quote_subst"`' +file_magic_cmd='`$ECHO "$file_magic_cmd" | $SED "$delay_single_quote_subst"`' +file_magic_glob='`$ECHO "$file_magic_glob" | $SED "$delay_single_quote_subst"`' +want_nocaseglob='`$ECHO "$want_nocaseglob" | $SED "$delay_single_quote_subst"`' +DLLTOOL='`$ECHO "$DLLTOOL" | $SED "$delay_single_quote_subst"`' +sharedlib_from_linklib_cmd='`$ECHO "$sharedlib_from_linklib_cmd" | $SED "$delay_single_quote_subst"`' +AR='`$ECHO "$AR" | $SED "$delay_single_quote_subst"`' +AR_FLAGS='`$ECHO "$AR_FLAGS" | $SED "$delay_single_quote_subst"`' +archiver_list_spec='`$ECHO "$archiver_list_spec" | $SED "$delay_single_quote_subst"`' +STRIP='`$ECHO "$STRIP" | $SED "$delay_single_quote_subst"`' +RANLIB='`$ECHO "$RANLIB" | $SED "$delay_single_quote_subst"`' +old_postinstall_cmds='`$ECHO "$old_postinstall_cmds" | $SED "$delay_single_quote_subst"`' +old_postuninstall_cmds='`$ECHO "$old_postuninstall_cmds" | $SED "$delay_single_quote_subst"`' +old_archive_cmds='`$ECHO "$old_archive_cmds" | $SED "$delay_single_quote_subst"`' +lock_old_archive_extraction='`$ECHO "$lock_old_archive_extraction" | $SED "$delay_single_quote_subst"`' +CC='`$ECHO "$CC" | $SED "$delay_single_quote_subst"`' +CFLAGS='`$ECHO "$CFLAGS" | $SED "$delay_single_quote_subst"`' +compiler='`$ECHO "$compiler" | $SED "$delay_single_quote_subst"`' +GCC='`$ECHO "$GCC" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_pipe='`$ECHO "$lt_cv_sys_global_symbol_pipe" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_cdecl='`$ECHO "$lt_cv_sys_global_symbol_to_cdecl" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_c_name_address='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address_lib_prefix" | $SED "$delay_single_quote_subst"`' +nm_file_list_spec='`$ECHO "$nm_file_list_spec" | $SED "$delay_single_quote_subst"`' +lt_sysroot='`$ECHO "$lt_sysroot" | $SED "$delay_single_quote_subst"`' +objdir='`$ECHO "$objdir" | $SED "$delay_single_quote_subst"`' +MAGIC_CMD='`$ECHO "$MAGIC_CMD" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_no_builtin_flag='`$ECHO "$lt_prog_compiler_no_builtin_flag" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_pic='`$ECHO "$lt_prog_compiler_pic" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_wl='`$ECHO "$lt_prog_compiler_wl" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_static='`$ECHO "$lt_prog_compiler_static" | $SED "$delay_single_quote_subst"`' +lt_cv_prog_compiler_c_o='`$ECHO "$lt_cv_prog_compiler_c_o" | $SED "$delay_single_quote_subst"`' +need_locks='`$ECHO "$need_locks" | $SED "$delay_single_quote_subst"`' +MANIFEST_TOOL='`$ECHO "$MANIFEST_TOOL" | $SED "$delay_single_quote_subst"`' +DSYMUTIL='`$ECHO "$DSYMUTIL" | $SED "$delay_single_quote_subst"`' +NMEDIT='`$ECHO "$NMEDIT" | $SED "$delay_single_quote_subst"`' +LIPO='`$ECHO "$LIPO" | $SED "$delay_single_quote_subst"`' +OTOOL='`$ECHO "$OTOOL" | $SED "$delay_single_quote_subst"`' +OTOOL64='`$ECHO "$OTOOL64" | $SED "$delay_single_quote_subst"`' +libext='`$ECHO "$libext" | $SED "$delay_single_quote_subst"`' +shrext_cmds='`$ECHO "$shrext_cmds" | $SED "$delay_single_quote_subst"`' +extract_expsyms_cmds='`$ECHO "$extract_expsyms_cmds" | $SED "$delay_single_quote_subst"`' +archive_cmds_need_lc='`$ECHO "$archive_cmds_need_lc" | $SED "$delay_single_quote_subst"`' +enable_shared_with_static_runtimes='`$ECHO "$enable_shared_with_static_runtimes" | $SED "$delay_single_quote_subst"`' +export_dynamic_flag_spec='`$ECHO "$export_dynamic_flag_spec" | $SED "$delay_single_quote_subst"`' +whole_archive_flag_spec='`$ECHO "$whole_archive_flag_spec" | $SED "$delay_single_quote_subst"`' +compiler_needs_object='`$ECHO "$compiler_needs_object" | $SED "$delay_single_quote_subst"`' +old_archive_from_new_cmds='`$ECHO "$old_archive_from_new_cmds" | $SED "$delay_single_quote_subst"`' +old_archive_from_expsyms_cmds='`$ECHO "$old_archive_from_expsyms_cmds" | $SED "$delay_single_quote_subst"`' +archive_cmds='`$ECHO "$archive_cmds" | $SED "$delay_single_quote_subst"`' +archive_expsym_cmds='`$ECHO "$archive_expsym_cmds" | $SED "$delay_single_quote_subst"`' +module_cmds='`$ECHO "$module_cmds" | $SED "$delay_single_quote_subst"`' +module_expsym_cmds='`$ECHO "$module_expsym_cmds" | $SED "$delay_single_quote_subst"`' +with_gnu_ld='`$ECHO "$with_gnu_ld" | $SED "$delay_single_quote_subst"`' +allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`' +no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`' +hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`' +hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`' +hardcode_minus_L='`$ECHO "$hardcode_minus_L" | $SED "$delay_single_quote_subst"`' +hardcode_shlibpath_var='`$ECHO "$hardcode_shlibpath_var" | $SED "$delay_single_quote_subst"`' +hardcode_automatic='`$ECHO "$hardcode_automatic" | $SED "$delay_single_quote_subst"`' +inherit_rpath='`$ECHO "$inherit_rpath" | $SED "$delay_single_quote_subst"`' +link_all_deplibs='`$ECHO "$link_all_deplibs" | $SED "$delay_single_quote_subst"`' +always_export_symbols='`$ECHO "$always_export_symbols" | $SED "$delay_single_quote_subst"`' +export_symbols_cmds='`$ECHO "$export_symbols_cmds" | $SED "$delay_single_quote_subst"`' +exclude_expsyms='`$ECHO "$exclude_expsyms" | $SED "$delay_single_quote_subst"`' +include_expsyms='`$ECHO "$include_expsyms" | $SED "$delay_single_quote_subst"`' +prelink_cmds='`$ECHO "$prelink_cmds" | $SED "$delay_single_quote_subst"`' +postlink_cmds='`$ECHO "$postlink_cmds" | $SED "$delay_single_quote_subst"`' +file_list_spec='`$ECHO "$file_list_spec" | $SED "$delay_single_quote_subst"`' +variables_saved_for_relink='`$ECHO "$variables_saved_for_relink" | $SED "$delay_single_quote_subst"`' +need_lib_prefix='`$ECHO "$need_lib_prefix" | $SED "$delay_single_quote_subst"`' +need_version='`$ECHO "$need_version" | $SED "$delay_single_quote_subst"`' +version_type='`$ECHO "$version_type" | $SED "$delay_single_quote_subst"`' +runpath_var='`$ECHO "$runpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_var='`$ECHO "$shlibpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_overrides_runpath='`$ECHO "$shlibpath_overrides_runpath" | $SED "$delay_single_quote_subst"`' +libname_spec='`$ECHO "$libname_spec" | $SED "$delay_single_quote_subst"`' +library_names_spec='`$ECHO "$library_names_spec" | $SED "$delay_single_quote_subst"`' +soname_spec='`$ECHO "$soname_spec" | $SED "$delay_single_quote_subst"`' +install_override_mode='`$ECHO "$install_override_mode" | $SED "$delay_single_quote_subst"`' +postinstall_cmds='`$ECHO "$postinstall_cmds" | $SED "$delay_single_quote_subst"`' +postuninstall_cmds='`$ECHO "$postuninstall_cmds" | $SED "$delay_single_quote_subst"`' +finish_cmds='`$ECHO "$finish_cmds" | $SED "$delay_single_quote_subst"`' +finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`' +hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`' +sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`' +sys_lib_dlsearch_path_spec='`$ECHO "$sys_lib_dlsearch_path_spec" | $SED "$delay_single_quote_subst"`' +hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`' +enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self_static='`$ECHO "$enable_dlopen_self_static" | $SED "$delay_single_quote_subst"`' +old_striplib='`$ECHO "$old_striplib" | $SED "$delay_single_quote_subst"`' +striplib='`$ECHO "$striplib" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_dirs='`$ECHO "$compiler_lib_search_dirs" | $SED "$delay_single_quote_subst"`' +predep_objects='`$ECHO "$predep_objects" | $SED "$delay_single_quote_subst"`' +postdep_objects='`$ECHO "$postdep_objects" | $SED "$delay_single_quote_subst"`' +predeps='`$ECHO "$predeps" | $SED "$delay_single_quote_subst"`' +postdeps='`$ECHO "$postdeps" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_path='`$ECHO "$compiler_lib_search_path" | $SED "$delay_single_quote_subst"`' +LD_CXX='`$ECHO "$LD_CXX" | $SED "$delay_single_quote_subst"`' +reload_flag_CXX='`$ECHO "$reload_flag_CXX" | $SED "$delay_single_quote_subst"`' +reload_cmds_CXX='`$ECHO "$reload_cmds_CXX" | $SED "$delay_single_quote_subst"`' +old_archive_cmds_CXX='`$ECHO "$old_archive_cmds_CXX" | $SED "$delay_single_quote_subst"`' +compiler_CXX='`$ECHO "$compiler_CXX" | $SED "$delay_single_quote_subst"`' +GCC_CXX='`$ECHO "$GCC_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_no_builtin_flag_CXX='`$ECHO "$lt_prog_compiler_no_builtin_flag_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_pic_CXX='`$ECHO "$lt_prog_compiler_pic_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_wl_CXX='`$ECHO "$lt_prog_compiler_wl_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_static_CXX='`$ECHO "$lt_prog_compiler_static_CXX" | $SED "$delay_single_quote_subst"`' +lt_cv_prog_compiler_c_o_CXX='`$ECHO "$lt_cv_prog_compiler_c_o_CXX" | $SED "$delay_single_quote_subst"`' +archive_cmds_need_lc_CXX='`$ECHO "$archive_cmds_need_lc_CXX" | $SED "$delay_single_quote_subst"`' +enable_shared_with_static_runtimes_CXX='`$ECHO "$enable_shared_with_static_runtimes_CXX" | $SED "$delay_single_quote_subst"`' +export_dynamic_flag_spec_CXX='`$ECHO "$export_dynamic_flag_spec_CXX" | $SED "$delay_single_quote_subst"`' +whole_archive_flag_spec_CXX='`$ECHO "$whole_archive_flag_spec_CXX" | $SED "$delay_single_quote_subst"`' +compiler_needs_object_CXX='`$ECHO "$compiler_needs_object_CXX" | $SED "$delay_single_quote_subst"`' +old_archive_from_new_cmds_CXX='`$ECHO "$old_archive_from_new_cmds_CXX" | $SED "$delay_single_quote_subst"`' +old_archive_from_expsyms_cmds_CXX='`$ECHO "$old_archive_from_expsyms_cmds_CXX" | $SED "$delay_single_quote_subst"`' +archive_cmds_CXX='`$ECHO "$archive_cmds_CXX" | $SED "$delay_single_quote_subst"`' +archive_expsym_cmds_CXX='`$ECHO "$archive_expsym_cmds_CXX" | $SED "$delay_single_quote_subst"`' +module_cmds_CXX='`$ECHO "$module_cmds_CXX" | $SED "$delay_single_quote_subst"`' +module_expsym_cmds_CXX='`$ECHO "$module_expsym_cmds_CXX" | $SED "$delay_single_quote_subst"`' +with_gnu_ld_CXX='`$ECHO "$with_gnu_ld_CXX" | $SED "$delay_single_quote_subst"`' +allow_undefined_flag_CXX='`$ECHO "$allow_undefined_flag_CXX" | $SED "$delay_single_quote_subst"`' +no_undefined_flag_CXX='`$ECHO "$no_undefined_flag_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_flag_spec_CXX='`$ECHO "$hardcode_libdir_flag_spec_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_separator_CXX='`$ECHO "$hardcode_libdir_separator_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_direct_CXX='`$ECHO "$hardcode_direct_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_direct_absolute_CXX='`$ECHO "$hardcode_direct_absolute_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_minus_L_CXX='`$ECHO "$hardcode_minus_L_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_shlibpath_var_CXX='`$ECHO "$hardcode_shlibpath_var_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_automatic_CXX='`$ECHO "$hardcode_automatic_CXX" | $SED "$delay_single_quote_subst"`' +inherit_rpath_CXX='`$ECHO "$inherit_rpath_CXX" | $SED "$delay_single_quote_subst"`' +link_all_deplibs_CXX='`$ECHO "$link_all_deplibs_CXX" | $SED "$delay_single_quote_subst"`' +always_export_symbols_CXX='`$ECHO "$always_export_symbols_CXX" | $SED "$delay_single_quote_subst"`' +export_symbols_cmds_CXX='`$ECHO "$export_symbols_cmds_CXX" | $SED "$delay_single_quote_subst"`' +exclude_expsyms_CXX='`$ECHO "$exclude_expsyms_CXX" | $SED "$delay_single_quote_subst"`' +include_expsyms_CXX='`$ECHO "$include_expsyms_CXX" | $SED "$delay_single_quote_subst"`' +prelink_cmds_CXX='`$ECHO "$prelink_cmds_CXX" | $SED "$delay_single_quote_subst"`' +postlink_cmds_CXX='`$ECHO "$postlink_cmds_CXX" | $SED "$delay_single_quote_subst"`' +file_list_spec_CXX='`$ECHO "$file_list_spec_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_action_CXX='`$ECHO "$hardcode_action_CXX" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_dirs_CXX='`$ECHO "$compiler_lib_search_dirs_CXX" | $SED "$delay_single_quote_subst"`' +predep_objects_CXX='`$ECHO "$predep_objects_CXX" | $SED "$delay_single_quote_subst"`' +postdep_objects_CXX='`$ECHO "$postdep_objects_CXX" | $SED "$delay_single_quote_subst"`' +predeps_CXX='`$ECHO "$predeps_CXX" | $SED "$delay_single_quote_subst"`' +postdeps_CXX='`$ECHO "$postdeps_CXX" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_path_CXX='`$ECHO "$compiler_lib_search_path_CXX" | $SED "$delay_single_quote_subst"`' + +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in SHELL \ +ECHO \ +PATH_SEPARATOR \ +SED \ +GREP \ +EGREP \ +FGREP \ +LD \ +NM \ +LN_S \ +lt_SP2NL \ +lt_NL2SP \ +reload_flag \ +OBJDUMP \ +deplibs_check_method \ +file_magic_cmd \ +file_magic_glob \ +want_nocaseglob \ +DLLTOOL \ +sharedlib_from_linklib_cmd \ +AR \ +AR_FLAGS \ +archiver_list_spec \ +STRIP \ +RANLIB \ +CC \ +CFLAGS \ +compiler \ +lt_cv_sys_global_symbol_pipe \ +lt_cv_sys_global_symbol_to_cdecl \ +lt_cv_sys_global_symbol_to_c_name_address \ +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \ +nm_file_list_spec \ +lt_prog_compiler_no_builtin_flag \ +lt_prog_compiler_pic \ +lt_prog_compiler_wl \ +lt_prog_compiler_static \ +lt_cv_prog_compiler_c_o \ +need_locks \ +MANIFEST_TOOL \ +DSYMUTIL \ +NMEDIT \ +LIPO \ +OTOOL \ +OTOOL64 \ +shrext_cmds \ +export_dynamic_flag_spec \ +whole_archive_flag_spec \ +compiler_needs_object \ +with_gnu_ld \ +allow_undefined_flag \ +no_undefined_flag \ +hardcode_libdir_flag_spec \ +hardcode_libdir_separator \ +exclude_expsyms \ +include_expsyms \ +file_list_spec \ +variables_saved_for_relink \ +libname_spec \ +library_names_spec \ +soname_spec \ +install_override_mode \ +finish_eval \ +old_striplib \ +striplib \ +compiler_lib_search_dirs \ +predep_objects \ +postdep_objects \ +predeps \ +postdeps \ +compiler_lib_search_path \ +LD_CXX \ +reload_flag_CXX \ +compiler_CXX \ +lt_prog_compiler_no_builtin_flag_CXX \ +lt_prog_compiler_pic_CXX \ +lt_prog_compiler_wl_CXX \ +lt_prog_compiler_static_CXX \ +lt_cv_prog_compiler_c_o_CXX \ +export_dynamic_flag_spec_CXX \ +whole_archive_flag_spec_CXX \ +compiler_needs_object_CXX \ +with_gnu_ld_CXX \ +allow_undefined_flag_CXX \ +no_undefined_flag_CXX \ +hardcode_libdir_flag_spec_CXX \ +hardcode_libdir_separator_CXX \ +exclude_expsyms_CXX \ +include_expsyms_CXX \ +file_list_spec_CXX \ +compiler_lib_search_dirs_CXX \ +predep_objects_CXX \ +postdep_objects_CXX \ +predeps_CXX \ +postdeps_CXX \ +compiler_lib_search_path_CXX; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in reload_cmds \ +old_postinstall_cmds \ +old_postuninstall_cmds \ +old_archive_cmds \ +extract_expsyms_cmds \ +old_archive_from_new_cmds \ +old_archive_from_expsyms_cmds \ +archive_cmds \ +archive_expsym_cmds \ +module_cmds \ +module_expsym_cmds \ +export_symbols_cmds \ +prelink_cmds \ +postlink_cmds \ +postinstall_cmds \ +postuninstall_cmds \ +finish_cmds \ +sys_lib_search_path_spec \ +sys_lib_dlsearch_path_spec \ +reload_cmds_CXX \ +old_archive_cmds_CXX \ +old_archive_from_new_cmds_CXX \ +old_archive_from_expsyms_cmds_CXX \ +archive_cmds_CXX \ +archive_expsym_cmds_CXX \ +module_cmds_CXX \ +module_expsym_cmds_CXX \ +export_symbols_cmds_CXX \ +prelink_cmds_CXX \ +postlink_cmds_CXX; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +ac_aux_dir='$ac_aux_dir' +xsi_shell='$xsi_shell' +lt_shell_append='$lt_shell_append' + +# See if we are running on zsh, and set the options which allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi + + + PACKAGE='$PACKAGE' + VERSION='$VERSION' + TIMESTAMP='$TIMESTAMP' + RM='$RM' + ofile='$ofile' + + + + + + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;; + "include/lttng/ust-config.h") CONFIG_HEADERS="$CONFIG_HEADERS include/lttng/ust-config.h" ;; + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;; + "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;; + "doc/examples/Makefile") CONFIG_FILES="$CONFIG_FILES doc/examples/Makefile" ;; + "doc/man/Makefile") CONFIG_FILES="$CONFIG_FILES doc/man/Makefile" ;; + "include/Makefile") CONFIG_FILES="$CONFIG_FILES include/Makefile" ;; + "include/lttng/ust-version.h") CONFIG_FILES="$CONFIG_FILES include/lttng/ust-version.h" ;; + "snprintf/Makefile") CONFIG_FILES="$CONFIG_FILES snprintf/Makefile" ;; + "libringbuffer/Makefile") CONFIG_FILES="$CONFIG_FILES libringbuffer/Makefile" ;; + "liblttng-ust-comm/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-comm/Makefile" ;; + "liblttng-ust/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust/Makefile" ;; + "liblttng-ust-ctl/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-ctl/Makefile" ;; + "liblttng-ust-fork/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-fork/Makefile" ;; + "liblttng-ust-dl/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-dl/Makefile" ;; + "liblttng-ust-java/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-java/Makefile" ;; + "liblttng-ust-java-agent/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-java-agent/Makefile" ;; + "liblttng-ust-java-agent/java/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-java-agent/java/Makefile" ;; + "liblttng-ust-java-agent/java/lttng-ust-agent-all/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-java-agent/java/lttng-ust-agent-all/Makefile" ;; + "liblttng-ust-java-agent/java/lttng-ust-agent-common/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-java-agent/java/lttng-ust-agent-common/Makefile" ;; + "liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile" ;; + "liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile" ;; + "liblttng-ust-java-agent/jni/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-java-agent/jni/Makefile" ;; + "liblttng-ust-java-agent/jni/common/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-java-agent/jni/common/Makefile" ;; + "liblttng-ust-java-agent/jni/jul/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-java-agent/jni/jul/Makefile" ;; + "liblttng-ust-java-agent/jni/log4j/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-java-agent/jni/log4j/Makefile" ;; + "liblttng-ust-libc-wrapper/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-libc-wrapper/Makefile" ;; + "liblttng-ust-cyg-profile/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-cyg-profile/Makefile" ;; + "liblttng-ust-python-agent/Makefile") CONFIG_FILES="$CONFIG_FILES liblttng-ust-python-agent/Makefile" ;; + "python-lttngust/Makefile") CONFIG_FILES="$CONFIG_FILES python-lttngust/Makefile" ;; + "python-lttngust/setup.py") CONFIG_FILES="$CONFIG_FILES python-lttngust/setup.py" ;; + "python-lttngust/lttngust/__init__.py") CONFIG_FILES="$CONFIG_FILES python-lttngust/lttngust/__init__.py" ;; + "tools/Makefile") CONFIG_FILES="$CONFIG_FILES tools/Makefile" ;; + "tests/Makefile") CONFIG_FILES="$CONFIG_FILES tests/Makefile" ;; + "tests/ctf-types/Makefile") CONFIG_FILES="$CONFIG_FILES tests/ctf-types/Makefile" ;; + "tests/hello/Makefile") CONFIG_FILES="$CONFIG_FILES tests/hello/Makefile" ;; + "tests/hello.cxx/Makefile") CONFIG_FILES="$CONFIG_FILES tests/hello.cxx/Makefile" ;; + "tests/same_line_tracepoint/Makefile") CONFIG_FILES="$CONFIG_FILES tests/same_line_tracepoint/Makefile" ;; + "tests/snprintf/Makefile") CONFIG_FILES="$CONFIG_FILES tests/snprintf/Makefile" ;; + "tests/ust-elf/Makefile") CONFIG_FILES="$CONFIG_FILES tests/ust-elf/Makefile" ;; + "tests/benchmark/Makefile") CONFIG_FILES="$CONFIG_FILES tests/benchmark/Makefile" ;; + "tests/utils/Makefile") CONFIG_FILES="$CONFIG_FILES tests/utils/Makefile" ;; + "tests/test-app-ctx/Makefile") CONFIG_FILES="$CONFIG_FILES tests/test-app-ctx/Makefile" ;; + "tests/gcc-weak-hidden/Makefile") CONFIG_FILES="$CONFIG_FILES tests/gcc-weak-hidden/Makefile" ;; + "lttng-ust.pc") CONFIG_FILES="$CONFIG_FILES lttng-ust.pc" ;; + "python-lttngust/lttngust/agent.py") CONFIG_LINKS="$CONFIG_LINKS python-lttngust/lttngust/agent.py:python-lttngust/lttngust/agent.py" ;; + "python-lttngust/lttngust/cmd.py") CONFIG_LINKS="$CONFIG_LINKS python-lttngust/lttngust/cmd.py:python-lttngust/lttngust/cmd.py" ;; + "python-lttngust/lttngust/debug.py") CONFIG_LINKS="$CONFIG_LINKS python-lttngust/lttngust/debug.py:python-lttngust/lttngust/debug.py" ;; + "python-lttngust/lttngust/loghandler.py") CONFIG_LINKS="$CONFIG_LINKS python-lttngust/lttngust/loghandler.py:python-lttngust/lttngust/loghandler.py" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers + test "${CONFIG_LINKS+set}" = set || CONFIG_LINKS=$config_links + test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' >$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' >$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :L $CONFIG_LINKS :C $CONFIG_COMMANDS" +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? 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+with_gcc=$GCC + +# Compiler flag to turn off builtin functions. +no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag + +# Additional compiler flags for building library objects. +pic_flag=$lt_lt_prog_compiler_pic + +# How to pass a linker flag through the compiler. +wl=$lt_lt_prog_compiler_wl + +# Compiler flag to prevent dynamic linking. +link_static_flag=$lt_lt_prog_compiler_static + +# Does compiler simultaneously support -c and -o options? +compiler_c_o=$lt_lt_cv_prog_compiler_c_o + +# Whether or not to add -lc for building shared libraries. +build_libtool_need_lc=$archive_cmds_need_lc + +# Whether or not to disallow shared libs when runtime libs are static. +allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes + +# Compiler flag to allow reflexive dlopens. +export_dynamic_flag_spec=$lt_export_dynamic_flag_spec + +# Compiler flag to generate shared objects directly from archives. +whole_archive_flag_spec=$lt_whole_archive_flag_spec + +# Whether the compiler copes with passing no objects directly. +compiler_needs_object=$lt_compiler_needs_object + +# Create an old-style archive from a shared archive. +old_archive_from_new_cmds=$lt_old_archive_from_new_cmds + +# Create a temporary old-style archive to link instead of a shared archive. +old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds + +# Commands used to build a shared archive. +archive_cmds=$lt_archive_cmds +archive_expsym_cmds=$lt_archive_expsym_cmds + +# Commands used to build a loadable module if different from building +# a shared archive. +module_cmds=$lt_module_cmds +module_expsym_cmds=$lt_module_expsym_cmds + +# Whether we are building with GNU ld or not. +with_gnu_ld=$lt_with_gnu_ld + +# Flag that allows shared libraries with undefined symbols to be built. +allow_undefined_flag=$lt_allow_undefined_flag + +# Flag that enforces no undefined symbols. +no_undefined_flag=$lt_no_undefined_flag + +# Flag to hardcode \$libdir into a binary during linking. +# This must work even if \$libdir does not exist +hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec + +# Whether we need a single "-rpath" flag with a separated argument. +hardcode_libdir_separator=$lt_hardcode_libdir_separator + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary. +hardcode_direct=$hardcode_direct + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary and the resulting library dependency is +# "absolute",i.e impossible to change by setting \${shlibpath_var} if the +# library is relocated. +hardcode_direct_absolute=$hardcode_direct_absolute + +# Set to "yes" if using the -LDIR flag during linking hardcodes DIR +# into the resulting binary. +hardcode_minus_L=$hardcode_minus_L + +# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR +# into the resulting binary. +hardcode_shlibpath_var=$hardcode_shlibpath_var + +# Set to "yes" if building a shared library automatically hardcodes DIR +# into the library and all subsequent libraries and executables linked +# against it. +hardcode_automatic=$hardcode_automatic + +# Set to yes if linker adds runtime paths of dependent libraries +# to runtime path list. +inherit_rpath=$inherit_rpath + +# Whether libtool must link a program against all its dependency libraries. +link_all_deplibs=$link_all_deplibs + +# Set to "yes" if exported symbols are required. +always_export_symbols=$always_export_symbols + +# The commands to list exported symbols. +export_symbols_cmds=$lt_export_symbols_cmds + +# Symbols that should not be listed in the preloaded symbols. +exclude_expsyms=$lt_exclude_expsyms + +# Symbols that must always be exported. +include_expsyms=$lt_include_expsyms + +# Commands necessary for linking programs (against libraries) with templates. +prelink_cmds=$lt_prelink_cmds + +# Commands necessary for finishing linking programs. +postlink_cmds=$lt_postlink_cmds + +# Specify filename containing input files. +file_list_spec=$lt_file_list_spec + +# How to hardcode a shared library path into an executable. +hardcode_action=$hardcode_action + +# The directories searched by this compiler when creating a shared library. +compiler_lib_search_dirs=$lt_compiler_lib_search_dirs + +# Dependencies to place before and after the objects being linked to +# create a shared library. +predep_objects=$lt_predep_objects +postdep_objects=$lt_postdep_objects +predeps=$lt_predeps +postdeps=$lt_postdeps + +# The library search path used internally by the compiler when linking +# a shared library. +compiler_lib_search_path=$lt_compiler_lib_search_path + +# ### END LIBTOOL CONFIG + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + +ltmain="$ac_aux_dir/ltmain.sh" + + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + if test x"$xsi_shell" = xyes; then + sed -e '/^func_dirname ()$/,/^} # func_dirname /c\ +func_dirname ()\ +{\ +\ case ${1} in\ +\ */*) func_dirname_result="${1%/*}${2}" ;;\ +\ * ) func_dirname_result="${3}" ;;\ +\ esac\ +} # Extended-shell func_dirname implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_basename ()$/,/^} # func_basename /c\ +func_basename ()\ +{\ +\ func_basename_result="${1##*/}"\ +} # Extended-shell func_basename implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_dirname_and_basename ()$/,/^} # func_dirname_and_basename /c\ +func_dirname_and_basename ()\ +{\ +\ case ${1} in\ +\ */*) func_dirname_result="${1%/*}${2}" ;;\ +\ * ) func_dirname_result="${3}" ;;\ +\ esac\ +\ func_basename_result="${1##*/}"\ +} # Extended-shell func_dirname_and_basename implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_stripname ()$/,/^} # func_stripname /c\ +func_stripname ()\ +{\ +\ # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are\ +\ # positional parameters, so assign one to ordinary parameter first.\ +\ func_stripname_result=${3}\ +\ func_stripname_result=${func_stripname_result#"${1}"}\ +\ func_stripname_result=${func_stripname_result%"${2}"}\ +} # Extended-shell func_stripname implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_split_long_opt ()$/,/^} # func_split_long_opt /c\ +func_split_long_opt ()\ +{\ +\ func_split_long_opt_name=${1%%=*}\ +\ func_split_long_opt_arg=${1#*=}\ +} # Extended-shell func_split_long_opt implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_split_short_opt ()$/,/^} # func_split_short_opt /c\ +func_split_short_opt ()\ +{\ +\ func_split_short_opt_arg=${1#??}\ +\ func_split_short_opt_name=${1%"$func_split_short_opt_arg"}\ +} # Extended-shell func_split_short_opt implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_lo2o ()$/,/^} # func_lo2o /c\ +func_lo2o ()\ +{\ +\ case ${1} in\ +\ *.lo) func_lo2o_result=${1%.lo}.${objext} ;;\ +\ *) func_lo2o_result=${1} ;;\ +\ esac\ +} # Extended-shell func_lo2o implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_xform ()$/,/^} # func_xform /c\ +func_xform ()\ +{\ + func_xform_result=${1%.*}.lo\ +} # Extended-shell func_xform implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_arith ()$/,/^} # func_arith /c\ +func_arith ()\ +{\ + func_arith_result=$(( $* ))\ +} # Extended-shell func_arith implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_len ()$/,/^} # func_len /c\ +func_len ()\ +{\ + func_len_result=${#1}\ +} # Extended-shell func_len implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + +fi + +if test x"$lt_shell_append" = xyes; then + sed -e '/^func_append ()$/,/^} # func_append /c\ +func_append ()\ +{\ + eval "${1}+=\\${2}"\ +} # Extended-shell func_append implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_append_quoted ()$/,/^} # func_append_quoted /c\ +func_append_quoted ()\ +{\ +\ func_quote_for_eval "${2}"\ +\ eval "${1}+=\\\\ \\$func_quote_for_eval_result"\ +} # Extended-shell func_append_quoted implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + # Save a `func_append' function call where possible by direct use of '+=' + sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1+="%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +else + # Save a `func_append' function call even when '+=' is not available + sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +fi + +if test x"$_lt_function_replace_fail" = x":"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Unable to substitute extended shell functions in $ofile" >&5 +$as_echo "$as_me: WARNING: Unable to substitute extended shell functions in $ofile" >&2;} +fi + + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" + + + cat <<_LT_EOF >> "$ofile" + +# ### BEGIN LIBTOOL TAG CONFIG: CXX + +# The linker used to build libraries. +LD=$lt_LD_CXX + +# How to create reloadable object files. +reload_flag=$lt_reload_flag_CXX +reload_cmds=$lt_reload_cmds_CXX + +# Commands used to build an old-style archive. +old_archive_cmds=$lt_old_archive_cmds_CXX + +# A language specific compiler. +CC=$lt_compiler_CXX + +# Is the compiler the GNU compiler? +with_gcc=$GCC_CXX + +# Compiler flag to turn off builtin functions. +no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_CXX + +# Additional compiler flags for building library objects. +pic_flag=$lt_lt_prog_compiler_pic_CXX + +# How to pass a linker flag through the compiler. +wl=$lt_lt_prog_compiler_wl_CXX + +# Compiler flag to prevent dynamic linking. +link_static_flag=$lt_lt_prog_compiler_static_CXX + +# Does compiler simultaneously support -c and -o options? +compiler_c_o=$lt_lt_cv_prog_compiler_c_o_CXX + +# Whether or not to add -lc for building shared libraries. +build_libtool_need_lc=$archive_cmds_need_lc_CXX + +# Whether or not to disallow shared libs when runtime libs are static. +allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_CXX + +# Compiler flag to allow reflexive dlopens. +export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_CXX + +# Compiler flag to generate shared objects directly from archives. +whole_archive_flag_spec=$lt_whole_archive_flag_spec_CXX + +# Whether the compiler copes with passing no objects directly. +compiler_needs_object=$lt_compiler_needs_object_CXX + +# Create an old-style archive from a shared archive. +old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_CXX + +# Create a temporary old-style archive to link instead of a shared archive. +old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_CXX + +# Commands used to build a shared archive. +archive_cmds=$lt_archive_cmds_CXX +archive_expsym_cmds=$lt_archive_expsym_cmds_CXX + +# Commands used to build a loadable module if different from building +# a shared archive. +module_cmds=$lt_module_cmds_CXX +module_expsym_cmds=$lt_module_expsym_cmds_CXX + +# Whether we are building with GNU ld or not. +with_gnu_ld=$lt_with_gnu_ld_CXX + +# Flag that allows shared libraries with undefined symbols to be built. +allow_undefined_flag=$lt_allow_undefined_flag_CXX + +# Flag that enforces no undefined symbols. +no_undefined_flag=$lt_no_undefined_flag_CXX + +# Flag to hardcode \$libdir into a binary during linking. +# This must work even if \$libdir does not exist +hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_CXX + +# Whether we need a single "-rpath" flag with a separated argument. +hardcode_libdir_separator=$lt_hardcode_libdir_separator_CXX + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary. +hardcode_direct=$hardcode_direct_CXX + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary and the resulting library dependency is +# "absolute",i.e impossible to change by setting \${shlibpath_var} if the +# library is relocated. +hardcode_direct_absolute=$hardcode_direct_absolute_CXX + +# Set to "yes" if using the -LDIR flag during linking hardcodes DIR +# into the resulting binary. +hardcode_minus_L=$hardcode_minus_L_CXX + +# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR +# into the resulting binary. +hardcode_shlibpath_var=$hardcode_shlibpath_var_CXX + +# Set to "yes" if building a shared library automatically hardcodes DIR +# into the library and all subsequent libraries and executables linked +# against it. +hardcode_automatic=$hardcode_automatic_CXX + +# Set to yes if linker adds runtime paths of dependent libraries +# to runtime path list. +inherit_rpath=$inherit_rpath_CXX + +# Whether libtool must link a program against all its dependency libraries. +link_all_deplibs=$link_all_deplibs_CXX + +# Set to "yes" if exported symbols are required. +always_export_symbols=$always_export_symbols_CXX + +# The commands to list exported symbols. +export_symbols_cmds=$lt_export_symbols_cmds_CXX + +# Symbols that should not be listed in the preloaded symbols. +exclude_expsyms=$lt_exclude_expsyms_CXX + +# Symbols that must always be exported. +include_expsyms=$lt_include_expsyms_CXX + +# Commands necessary for linking programs (against libraries) with templates. +prelink_cmds=$lt_prelink_cmds_CXX + +# Commands necessary for finishing linking programs. +postlink_cmds=$lt_postlink_cmds_CXX + +# Specify filename containing input files. +file_list_spec=$lt_file_list_spec_CXX + +# How to hardcode a shared library path into an executable. +hardcode_action=$hardcode_action_CXX + +# The directories searched by this compiler when creating a shared library. +compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_CXX + +# Dependencies to place before and after the objects being linked to +# create a shared library. +predep_objects=$lt_predep_objects_CXX +postdep_objects=$lt_postdep_objects_CXX +predeps=$lt_predeps_CXX +postdeps=$lt_postdeps_CXX + +# The library search path used internally by the compiler when linking +# a shared library. +compiler_lib_search_path=$lt_compiler_lib_search_path_CXX + +# ### END LIBTOOL TAG CONFIG: CXX +_LT_EOF + + ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + + +$as_echo +$as_echo "Isseki Nicho" +$as_echo +$as_echo "The result of a collaboration between \"Dieu du Ciel!\" and Nagano-based \"Shiga Kogen\", Isseki Nicho is a strong Imperial Dark Saison offering a rich roasted malt flavor combined with a complex fruity finish typical of Saison yeasts." + +# Report on the configuration options +$as_echo +$as_echo "LTTng-UST will be built with the following options:" + +$as_echo + +$as_echo_n "Java agent (JUL support): " +if test "x$java_agent_jul" = "xyes"; then : + $as_echo "Enabled" +else + $as_echo "Disabled" +fi + +$as_echo_n "Java agent (Log4j support): " +if test "x$java_agent_log4j" = "xyes"; then : + $as_echo "Enabled" +else + $as_echo "Disabled" +fi + +$as_echo_n "JNI interface (JNI): " +if test "x$jni_interface" = "xyes"; then : + $as_echo "Enabled" +else + $as_echo "Disabled" +fi + +$as_echo_n "Python ($PYTHON) agent: " +if test "x$python_agent" = "xyes"; then : + $as_echo "Enabled" +else + $as_echo "Disabled" +fi + +$as_echo_n "sdt.h integration: " +if test "x$with_sdt" = "xyes"; then : + $as_echo "Enabled" +else + $as_echo "Disabled" +fi + +$as_echo "Architecture: $host_cpu" +$as_echo_n "Efficient unaligned memory access: " +if test "x$NO_UNALIGNED_ACCESS" != "x1"; then : + $as_echo "yes" +else + if test "x$UNSUPPORTED_ARCH" != "x1"; then : + $as_echo "no" +else + $as_echo "unknown" +fi +fi +if test "x$UNSUPPORTED_ARCH" = "x1"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access" >&5 +$as_echo "$as_me: WARNING: Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access" >&2;} +fi +$as_echo + +$as_echo "Type 'make' to compile." + diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..307106b --- /dev/null +++ b/configure.ac @@ -0,0 +1,527 @@ +dnl -*- Autoconf -*- +dnl Process this file with autoconf to produce a configure script. + +dnl Version infos +m4_define([V_MAJOR], [2]) +m4_define([V_MINOR], [8]) +m4_define([V_PATCH], [1]) +dnl m4_define([V_EXTRA], []) +m4_define([V_STRING], [V_MAJOR.V_MINOR.V_PATCH]) +m4_ifdef([V_EXTRA], [m4_append([V_STRING], [-V_EXTRA])]) +m4_define([V_NAME], [[Isseki Nicho]]) +m4_define([V_DESC], [[The result of a collaboration between "Dieu du Ciel!" and Nagano-based "Shiga Kogen", Isseki Nicho is a strong Imperial Dark Saison offering a rich roasted malt flavor combined with a complex fruity finish typical of Saison yeasts.]]) + +AC_INIT([lttng-ust], V_STRING, [mathieu dot desnoyers at efficios dot com]) + +# Following the numbering scheme proposed by libtool for the library version +# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html +# This is the library version of liblttng-ust. +AC_SUBST([LTTNG_UST_LIBRARY_VERSION], [0:0:0]) +# note: remember to update tracepoint.h dlopen() to match this version +# number. TODO: eventually automate by exporting the major number. + +# This is the library version of liblttng-ust-ctl, used internally by +# liblttng-ust, lttng-sessiond, and lttng-consumerd. +AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], [2:0:0]) + +AC_CONFIG_AUX_DIR([config]) +AC_CANONICAL_TARGET +AC_CANONICAL_HOST +AC_CONFIG_MACRO_DIR([config]) +AM_INIT_AUTOMAKE([1.9 foreign dist-bzip2 no-dist-gzip tar-ustar]) +AM_MAINTAINER_MODE([enable]) +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) +AC_CONFIG_SRCDIR([include/lttng/tracepoint.h]) + +AC_REQUIRE_AUX_FILE([tap-driver.sh]) + +# Configuration options, which will be installed in the config.h +AC_CONFIG_HEADERS([config.h include/lttng/ust-config.h]) +AH_TEMPLATE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [Use efficient unaligned access.]) +AH_TEMPLATE([LTTNG_UST_HAVE_SDT_INTEGRATION], [SystemTap integration via sdt.h]) +AH_TEMPLATE([LTTNG_UST_HAVE_PERF_EVENT], [Perf event integration via perf_event.h]) + +dnl Substitute minor/major/patchlevel version numbers +AC_SUBST([MAJOR_VERSION], [V_MAJOR]) +AC_SUBST([MINOR_VERSION], [V_MINOR]) +AC_SUBST([PATCHLEVEL_VERSION], [V_PATCH]) + +AC_PROG_SED +AC_PROG_GREP +AC_PROG_LN_S + +# libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321. +AC_ARG_ENABLE([libtool-linkdep-fixup], [ + AS_HELP_STRING([--disable-libtool-linkdep-fixup], [disable the libtool fixup for linking all dependent libraries (link_all_deplibs)]) +], [ + libtool_fixup=$enableval +], [ + libtool_fixup=yes +]) + +AS_IF([test "x$libtool_fixup" = "xyes"], [ + libtool_m4="$srcdir/config/libtool.m4" + libtool_flag_pattern=".*link_all_deplibs\s*,\s*\$1\s*)" + AC_MSG_CHECKING([for occurence(s) of link_all_deplibs = no in $libtool_m4]) + libtool_flag_pattern_count=$(grep -c "$libtool_flag_pattern\s*=\s*no" $libtool_m4) + + AS_IF([test $libtool_flag_pattern_count -ne 0], [ + AC_MSG_RESULT([$libtool_flag_pattern_count]) + AC_MSG_WARN([the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown]) + sed -i "s/\($libtool_flag_pattern\)\s*=\s*no/\1=unknown/g" $libtool_m4 + ], [ + AC_MSG_RESULT([none]) + ]) +]) + +AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"]) + +# Checks for programs. +AC_PROG_CC +AC_PROG_CXX +AC_PROG_MAKE_SET +LT_INIT + +# rw_PROG_CXX_WORKS +# Check whether the C++ compiler works. +AC_CACHE_CHECK([whether the C++ compiler works], [rw_cv_prog_cxx_works], [ + AC_LANG_PUSH([C++]) + + AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [ + check_cxx_designated_initializers=yes + ], [ + rw_cv_prog_cxx_works=no + ]) + + AS_IF([test "x$check_cxx_designated_initializers" = "xyes"], [ + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ + struct foo { int a; int b; }; + void fct(void) + { + struct foo f = { .a = 0, .b = 1 }; + } + ]])], [ + rw_cv_prog_cxx_works=yes + ], [ + rw_cv_prog_cxx_works=no + ]) + ]) + + AC_LANG_POP([C++]) +]) + +AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"]) + +# Check if the compiler support weak symbols +AX_SYS_WEAK_ALIAS + +AS_IF([test "x${ax_cv_sys_weak_alias}" = "xno"], [ + AC_MSG_ERROR([Your platform doesn't support weak symbols.]) +]) + +# Checks for libraries. +AC_CHECK_LIB([dl], [dlopen], [ + have_libdl=yes +], [ + #libdl not found, check for dlopen in libc. + AC_CHECK_LIB([c], [dlopen], [ + have_libc_dl=yes + ], [ + AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.]) + ]) +]) + +AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"]) +AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"]) + +AC_CHECK_LIB([pthread], [pthread_create]) + +# Check for dlfcn.h +AC_CHECK_HEADER([dlfcn.h]) +AS_IF([test "x${ac_cv_header_dlfcn_h}" = "xyes"], [ + AC_CHECK_DECLS([RTLD_DI_LINKMAP], [], [], [ + #define _GNU_SOURCE /* Required on Linux to get GNU extensions */ + #include + ]) +], [ + ac_cv_have_decl_RTLD_DI_LINKMAP="no" +]) + +AM_CONDITIONAL([HAVE_DLINFO], [test "x${ac_cv_have_decl_RTLD_DI_LINKMAP}" = "xyes"]) + +# Checks for header files. +dnl AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h]) + +# Checks for typedefs, structures, and compiler characteristics. +AC_C_INLINE +dnl AC_TYPE_INT16_T +dnl AC_TYPE_INT32_T +dnl AC_TYPE_INT64_T +dnl AC_TYPE_INT8_T +dnl AC_TYPE_PID_T +dnl AC_TYPE_SIZE_T +dnl AC_TYPE_SSIZE_T +dnl AC_TYPE_UINT16_T +dnl AC_TYPE_UINT32_T +dnl AC_TYPE_UINT64_T +dnl AC_TYPE_UINT8_T +dnl AC_CHECK_TYPES([ptrdiff_t]) + +# Checks for library functions. +AC_FUNC_MALLOC +AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol sched_getcpu sysconf]) + +CFLAGS="-Wall $CFLAGS" + +# URCU + +# urcu - check if we just find the headers it out of the box. +AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location. +This error can also occur when the liburcu package's configure script has not been run.])]) + +# urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation +# Part of Userspace RCU library 0.7.2 or better. +AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find +liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])]) + +AC_MSG_CHECKING([caa_likely()]) +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ + #include + void fct(void) + { + if (caa_likely(1)) { + } + } +]])], [ + AC_MSG_RESULT([yes]) +], [ + AC_MSG_RESULT([no]) + AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better]) +]) + +# urcu - check that URCU lib is available to compilation +AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])]) + +# urcu - check that URCU lib is at least version 0.6 +AC_CHECK_LIB([urcu-bp], [call_rcu_bp], [], [AC_MSG_ERROR([liburcu 0.6 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])]) + +# optional linux/perf_event.h +AC_CHECK_HEADERS([linux/perf_event.h], [have_perf_event=yes], []) + +# Perf event counters are only supported on x86 so far. +AC_MSG_CHECKING([UST support for architecture perf event counters]) +AS_CASE([$host_cpu], + [i[[3456]]86], [UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes], + [x86_64], [UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes], + [amd64], [UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes], + [UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=no]) +AC_MSG_RESULT([$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS]) + +AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$have_perf_event" = "xyes" && test "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"]) + +AS_IF([test "x$have_perf_event" = "xyes" && test "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"], [ + AC_DEFINE([LTTNG_UST_HAVE_PERF_EVENT], [1]) +]) + +AC_MSG_CHECKING([host system alignment requirements]) +AS_CASE([$host_cpu], + [i[[3456]]86], [], + [x86_64], [], + [amd64], [], + [powerpc], [], + [ppc64], [], + [ppc64le], [], + [powerpc64], [], + [powerpc64le], [], + [s390], [NO_UNALIGNED_ACCESS=1], + [s390x], [NO_UNALIGNED_ACCESS=1], + [arm*], [NO_UNALIGNED_ACCESS=1], + [aarch64*], [NO_UNALIGNED_ACCESS=1], + [mips*], [NO_UNALIGNED_ACCESS=1], + [tile*], [NO_UNALIGNED_ACCESS=1], + [ + UNSUPPORTED_ARCH=1 + NO_UNALIGNED_ACCESS=1 + ]) +AC_MSG_RESULT([$host_cpu]) + +AS_IF([test "x$NO_UNALIGNED_ACCESS" = "x"], [ + AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1]) +]) + +# Check for JNI header files if requested +AC_ARG_ENABLE([jni-interface], [ + AS_HELP_STRING([--enable-jni-interface], [build JNI interface between C and Java. Needs Java include files [default=no]]) +], [ + jni_interface=$enableval +], [ + jni_interface=no +]) + +AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"]) + + +AC_ARG_ENABLE([java-agent-jul], [ + AS_HELP_STRING([--enable-java-agent-jul], [build the LTTng UST Java agent with JUL support [default=no]]) +], [ + java_agent_jul=$enableval +], [ + java_agent_jul=no +]) + +AC_ARG_ENABLE([java-agent-log4j], [ + AS_HELP_STRING([--enable-java-agent-log4j], [build the LTTng UST Java agent with Log4j support [default=no]]) +], [ + java_agent_log4j=$enableval +], [ + java_agent_log4j=no +]) + +AC_ARG_ENABLE([java-agent-all], [ + AS_HELP_STRING([--enable-java-agent-all], [build the LTTng UST Java agent with all supported backends [default=no]]) +], [ + java_agent_jul=$enableval + java_agent_log4j=$enableval +], [:]) + +AM_CONDITIONAL([BUILD_JAVA_AGENT], [test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"]) +AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_JUL], [test "x$java_agent_jul" = "xyes"]) +AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_LOG4J], [test "x$java_agent_log4j" = "xyes"]) + +AS_IF([test "x$jni_interface" = "xyes" || test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"], [ + AX_JAVA_OPTIONS + AX_PROG_JAVAC + AX_PROG_JAVA + AX_PROG_JAR + + AX_JNI_INCLUDE_DIR + for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS + do + CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR" + done + + AX_PROG_JAVAH +]) + +AS_IF([test "x$java_agent_log4j" = "xyes"], [ + AX_CHECK_CLASSPATH + AX_CHECK_CLASS([org.apache.log4j.Logger]) + AS_IF([test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"], [ + AC_MSG_ERROR([The UST Java agent support for log4j was requested but the Log4j classes were not found. Please specify the location of the Log4j jar via the Java CLASSPATH e.g: export CLASSPATH="/path/to/log4j.jar"]) + ]) +]) + +# Option to build the python agent +AC_ARG_ENABLE([python-agent], [ + AS_HELP_STRING([--enable-python-agent], [build the LTTng UST Python agent [default=no]]) +], [ + python_agent=$enableval +], [:]) +AM_CONDITIONAL([BUILD_PYTHON_AGENT], [test "x$python_agent" = "xyes"]) +AS_IF([test "x$python_agent" = "xyes"], [ + AM_PATH_PYTHON([2.7]) +]) + +# sdt.h integration +AC_ARG_WITH([sdt], [ + AS_HELP_STRING([--with-sdt], [provide SystemTap integration via sdt.h [default=no]]) +], [ + with_sdt=$withval +], [ + with_sdt="no" +]) + +AS_IF([test "x$with_sdt" = "xyes"], [ + AC_MSG_CHECKING([STAP_PROBEV()]) + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ + #define SDT_USE_VARIADIC + #include + void fct(void) + { + STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10); + } + ]])], [ + AC_MSG_RESULT([yes]) + AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1]) + ], [ + AC_MSG_RESULT([no]) + AC_MSG_ERROR([The sdt.h integration was requested but the STAP_PROBEV define cannot be used. Make sure it is installed, and up to date, or use CPPFLAGS=-I/path/ to specify a non-standard path to sys/sdt.h]) + ]) +]) + +AC_MSG_CHECKING([whether shared libraries are enabled]) +AS_IF([test "x$enable_shared" = "xyes"], [ + AC_MSG_RESULT([yes]) +], [ + AC_MSG_RESULT([no]) + AC_MSG_ERROR([LTTng-UST requires shared libraries to be enabled]) +]) + +AC_ARG_WITH([lttng-system-rundir], [ + AS_HELP_STRING([--with-lttng-system-rundir], [Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]), +], [ + lttng_system_rundir="$withval" +], [ + lttng_system_rundir="/var/run/lttng" +]) +AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"], + [LTTng system runtime directory]) + +AC_CHECK_PROG([BUILD_GEN_TP_EXAMPLES], [python], ["yes"]) +AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test "x$BUILD_GEN_TP_EXAMPLES" = "xyes"]) + +# Set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file +# is not distributed in tarballs. +AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no]) +AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"]) + +# Enable building man pages (user's intention). +AC_ARG_ENABLE( + man-pages, + AS_HELP_STRING( + [--disable-man-pages], + [Do not build and install man pages (already built in a distributed tarball)] + ), + [man_pages_opt=$enableval], + [man_pages_opt=yes] +) + +# Check for asciidoc and xmlto if we enabled building the man pages. +have_asciidoc_xmlto=no + +AS_IF([test "x$man_pages_opt" = "xyes"], [ + AC_PATH_PROG([ASCIIDOC], [asciidoc], [no]) + AC_PATH_PROG([XMLTO], [xmlto], [no]) + + AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [ + AS_IF([test "x$in_git_repo" = "xyes"], [ + # This is an error because we're in the Git repo, which + # means the man pages are not already generated for us, + # thus asciidoc/xmlto are required because we were asked + # to build the man pages. + AC_MSG_ERROR([ +Both asciidoc and xmlto are needed to build the LTTng-UST man pages. Use +--disable-man-pages to disable building the man pages, in which case +they will not be installed. + ]) + ], [ + # Only warn here: since we're in the tarball, the man + # pages should already be generated at this point, thus + # asciidoc/xmlto are not strictly required. + AC_MSG_WARN([ +Both asciidoc and xmlto are needed to build the LTTng-UST man pages. +Note that the man pages are already built in this distribution tarball, +so asciidoc and xmlto are only needed if you intend to modify their +sources. Use --disable-man-pages to completely disable building +and installing the man pages. + ]) + ]) + ], [ + have_asciidoc_xmlto=yes + ]) +]) + +# Export man page build condition: build the man pages if the user +# asked for it, and if the tools are available. +AM_CONDITIONAL([MAN_PAGES_OPT], [test "x$man_pages_opt" != "xno"]) +AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"]) + +# Default values +AC_DEFUN([_AC_DEFINE_AND_SUBST], [ + AC_DEFINE_UNQUOTED([CONFIG_$1], [$2], [$1]) + $1="$2" + AC_SUBST([$1]) +]) + +_AC_DEFINE_AND_SUBST([LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS], [3000]) + +AC_CONFIG_FILES([ + Makefile + doc/Makefile + doc/examples/Makefile + doc/man/Makefile + include/Makefile + include/lttng/ust-version.h + snprintf/Makefile + libringbuffer/Makefile + liblttng-ust-comm/Makefile + liblttng-ust/Makefile + liblttng-ust-ctl/Makefile + liblttng-ust-fork/Makefile + liblttng-ust-dl/Makefile + liblttng-ust-java/Makefile + liblttng-ust-java-agent/Makefile + liblttng-ust-java-agent/java/Makefile + liblttng-ust-java-agent/java/lttng-ust-agent-all/Makefile + liblttng-ust-java-agent/java/lttng-ust-agent-common/Makefile + liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile + liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile + liblttng-ust-java-agent/jni/Makefile + liblttng-ust-java-agent/jni/common/Makefile + liblttng-ust-java-agent/jni/jul/Makefile + liblttng-ust-java-agent/jni/log4j/Makefile + liblttng-ust-libc-wrapper/Makefile + liblttng-ust-cyg-profile/Makefile + liblttng-ust-python-agent/Makefile + python-lttngust/Makefile + python-lttngust/setup.py + python-lttngust/lttngust/__init__.py + tools/Makefile + tests/Makefile + tests/ctf-types/Makefile + tests/hello/Makefile + tests/hello.cxx/Makefile + tests/same_line_tracepoint/Makefile + tests/snprintf/Makefile + tests/ust-elf/Makefile + tests/benchmark/Makefile + tests/utils/Makefile + tests/test-app-ctx/Makefile + tests/gcc-weak-hidden/Makefile + lttng-ust.pc +]) + +# Create link for python agent for the VPATH guru. +AC_CONFIG_LINKS([ + python-lttngust/lttngust/agent.py:python-lttngust/lttngust/agent.py + python-lttngust/lttngust/cmd.py:python-lttngust/lttngust/cmd.py + python-lttngust/lttngust/debug.py:python-lttngust/lttngust/debug.py + python-lttngust/lttngust/loghandler.py:python-lttngust/lttngust/loghandler.py +]) + +AC_OUTPUT + +AS_ECHO +AS_ECHO(["m4_bpatsubst(V_NAME, ["], [\\"])"]) +AS_ECHO +AS_ECHO(["m4_bpatsubst(V_DESC, ["], [\\"])"]) + +# Report on the configuration options +AS_ECHO +AS_ECHO(["LTTng-UST will be built with the following options:"]) + +AS_ECHO + +AS_ECHO_N(["Java agent (JUL support): "]) +AS_IF([test "x$java_agent_jul" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled"])]) + +AS_ECHO_N(["Java agent (Log4j support): "]) +AS_IF([test "x$java_agent_log4j" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled"])]) + +AS_ECHO_N(["JNI interface (JNI): "]) +AS_IF([test "x$jni_interface" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled"])]) + +AS_ECHO_N(["Python ($PYTHON) agent: "]) +AS_IF([test "x$python_agent" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled"])]) + +AS_ECHO_N(["sdt.h integration: "]) +AS_IF([test "x$with_sdt" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled"])]) + +AS_ECHO(["Architecture: $host_cpu"]) +AS_ECHO_N(["Efficient unaligned memory access: "]) +AS_IF([test "x$NO_UNALIGNED_ACCESS" != "x1"], [AS_ECHO(["yes"])], [AS_IF([test "x$UNSUPPORTED_ARCH" != "x1"], [AS_ECHO(["no"])], [AS_ECHO(["unknown"])])]) +AS_IF([test "x$UNSUPPORTED_ARCH" = "x1"], [AC_MSG_WARN([Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access])]) +AS_ECHO + +AS_ECHO(["Type 'make' to compile."]) + diff --git a/doc/Makefile.am b/doc/Makefile.am new file mode 100644 index 0000000..e110ed8 --- /dev/null +++ b/doc/Makefile.am @@ -0,0 +1,3 @@ +SUBDIRS = . man examples + +dist_doc_DATA = java-agent.txt diff --git a/doc/Makefile.in b/doc/Makefile.in new file mode 100644 index 0000000..5a96e02 --- /dev/null +++ b/doc/Makefile.in @@ -0,0 +1,713 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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This will ensure the examples' +Makefiles use the source tree's public header files and binaries. diff --git a/doc/examples/clock-override/Makefile b/doc/examples/clock-override/Makefile new file mode 100644 index 0000000..8f38c4f --- /dev/null +++ b/doc/examples/clock-override/Makefile @@ -0,0 +1,38 @@ +# Copyright (C) 2013 Jérémie Galarneau +# Copyright (C) 2014 Mathieu Desnoyers +# +# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED +# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. +# +# Permission is hereby granted to use or copy this program for any +# purpose, provided the above notices are retained on all copies. +# Permission to modify the code and to distribute modified code is +# granted, provided the above notices are retained, and a notice that +# the code was modified is included with the above copyright notice. +# +# This Makefile is not using automake so that users may see how to build +# a program with tracepoint provider probes as stand-alone shared objects. +# +# This makefile is purposefully kept simple to support GNU and BSD make. + +ifdef AM_CC + CC = $(AM_CC) +endif + +LIBS = -ldl # On Linux +#LIBS = -lc # On BSD +LOCAL_CPPFLAGS += -I. + +all: lttng-ust-clock-override-example.so + +lttng-ust-clock-override-example.o: lttng-ust-clock-override-example.c + $(CC) $(CPPFLAGS) $(LOCAL_CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) \ + $(AM_CFLAGS) -fpic -c -o $@ $< + +lttng-ust-clock-override-example.so: lttng-ust-clock-override-example.o + $(CC) -shared -Wl,--no-as-needed -o $@ $(LDFLAGS) $(CFLAGS) \ + $(AM_LDFLAGS) $(AM_CFLAGS) lttng-ust-clock-override-example.o + +.PHONY: clean +clean: + rm -f *.o *.so diff --git a/doc/examples/clock-override/README b/doc/examples/clock-override/README new file mode 100644 index 0000000..aabbee2 --- /dev/null +++ b/doc/examples/clock-override/README @@ -0,0 +1,8 @@ +This clock override example shows how to implement and load a clock +override plugin for LTTng-UST. This can be useful in cases where direct +hardware access is available for architecture-specific clocks, and where +it should be used rather than the Linux kernel Monotonic clock. + +When using LTTng-tools keep in mind that lttng-sessiond uses lttng-ust's clock +definition and functions. Thus LTTNG_UST_CLOCK_PLUGIN needs to be defined when +launching lttng-sessiond. diff --git a/doc/examples/clock-override/lttng-ust-clock-override-example.c b/doc/examples/clock-override/lttng-ust-clock-override-example.c new file mode 100644 index 0000000..ab29787 --- /dev/null +++ b/doc/examples/clock-override/lttng-ust-clock-override-example.c @@ -0,0 +1,148 @@ +/* + * lttng-clock-override-example.c + * + * Copyright (c) 2014 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include +#include +#include +#include + +/* + * For sake of example, transform time into a coarse clock (freq: 1KHz). + * Note that division can be slow on some architectures. Should be + * avoided. Use shift and multiplication instead. e.g.: + * + * Operation: / 1000000ULL + * 1/1000000ULL = .000001 + * 2^19 < 1000000 < 2^20 + * Add a 10 bits shift to increase accuracy: + * 2^(19+10) = 536870912 + * x * 1 / 2^(19+10) ~= .000001 + * 537 * 1 / 2^29 = .00000100024044513702 + * 537 (multiplication factor) is between 2^9 and 2^10. + * + * In order not to overflow, first right shift by 10, multiply, and right + * shift by 19. + */ +#define DIV_CLOCK_SHIFT1 10 +#define DIV_CLOCK_MUL 537 +#define DIV_CLOCK_SHIFT2 19 + +static +uint64_t plugin_read64(void) +{ + struct timespec ts; + + clock_gettime(CLOCK_MONOTONIC, &ts); + /* + * This is a rather dumb example, but it illustrates the plugin + * mechanism: we take the monotonic clock, and transform it into + * a very coarse clock, which increment only at 1KHz frequency. + */ + return ((uint64_t) ts.tv_sec * 1000ULL) + + ((DIV_CLOCK_MUL * ((uint64_t) ts.tv_nsec >> DIV_CLOCK_SHIFT1)) + >> DIV_CLOCK_SHIFT2); +} + +static +uint64_t plugin_freq(void) +{ + return 1000; /* 1KHz clock (very coarse!) */ +} + +static +int plugin_uuid(char *uuid) +{ + const char myuuid[] = "123456789012345678901234567890123456"; + + /* + * Should read some unique identifier for this clock shared + * across all components of the system using this clock for + * tracing. + */ + memcpy(uuid, myuuid, LTTNG_UST_UUID_STR_LEN); + return 0; +} + +static +const char *plugin_name(void) +{ + return "my_example_clock"; +} + +static +const char *plugin_description(void) +{ + return "Coarse monotonic clock at 1KHz"; +} + +void lttng_ust_clock_plugin_init(void) +{ + int ret; + + ret = lttng_ust_trace_clock_set_read64_cb(plugin_read64); + if (ret) { + fprintf(stderr, "Error setting clock override read64 callback: %s\n", + strerror(-ret)); + goto error; + } + ret = lttng_ust_trace_clock_set_freq_cb(plugin_freq); + if (ret) { + fprintf(stderr, "Error setting clock override freq callback: %s\n", + strerror(-ret)); + goto error; + } + ret = lttng_ust_trace_clock_set_uuid_cb(plugin_uuid); + if (ret) { + fprintf(stderr, "Error setting clock override uuid callback: %s\n", + strerror(-ret)); + goto error; + } + + ret = lttng_ust_trace_clock_set_name_cb(plugin_name); + if (ret) { + fprintf(stderr, "Error setting clock override name callback: %s\n", + strerror(-ret)); + goto error; + } + + ret = lttng_ust_trace_clock_set_description_cb(plugin_description); + if (ret) { + fprintf(stderr, "Error setting clock override description callback: %s\n", + strerror(-ret)); + goto error; + } + + ret = lttng_ust_enable_trace_clock_override(); + if (ret) { + fprintf(stderr, "Error enabling clock override: %s\n", + strerror(-ret)); + goto error; + } + + return; + +error: + exit(EXIT_FAILURE); +} diff --git a/doc/examples/clock-override/run-clock-override b/doc/examples/clock-override/run-clock-override new file mode 100755 index 0000000..295b483 --- /dev/null +++ b/doc/examples/clock-override/run-clock-override @@ -0,0 +1,8 @@ +#!/bin/sh + +# launch with: run-clock-override progname args + +DIR=$(dirname $0) +DIR=$(readlink -f $DIR) + +LTTNG_UST_CLOCK_PLUGIN="$DIR/lttng-ust-clock-override-example.so" ${*} diff --git a/doc/examples/demo-tracef/Makefile b/doc/examples/demo-tracef/Makefile new file mode 100644 index 0000000..40e9a58 --- /dev/null +++ b/doc/examples/demo-tracef/Makefile @@ -0,0 +1,38 @@ +# Copyright (C) 2013 Jérémie Galarneau +# Copyright (C) 2014 Mathieu Desnoyers +# +# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED +# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. +# +# Permission is hereby granted to use or copy this program for any +# purpose, provided the above notices are retained on all copies. +# Permission to modify the code and to distribute modified code is +# granted, provided the above notices are retained, and a notice that +# the code was modified is included with the above copyright notice. +# +# This Makefile is not using automake so that users may see how to build +# a program with tracepoint provider probes as stand-alone shared objects. +# +# This makefile is purposefully kept simple to support GNU and BSD make. + +ifdef AM_CC + CC = $(AM_CC) +endif + +LIBS = -ldl -llttng-ust # On Linux +#LIBS = -lc # On BSD +LOCAL_CPPFLAGS += -I. + +all: demo-tracef + +demo-tracef.o: demo-tracef.c + $(CC) $(CPPFLAGS) $(LOCAL_CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) \ + $(AM_CFLAGS) -c -o $@ $< + +demo-tracef: demo-tracef.o + $(CC) $(LDFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(AM_CFLAGS) \ + -o $@ $< $(LIBS) + +.PHONY: clean +clean: + rm -f *.o *.a demo-tracef diff --git a/doc/examples/demo-tracef/README b/doc/examples/demo-tracef/README new file mode 100644 index 0000000..af0eadf --- /dev/null +++ b/doc/examples/demo-tracef/README @@ -0,0 +1,20 @@ +This is a demo application showing how to trace formatted strings into +LTTng-UST. + +The simplest command to trace the demo program are: + +lttng create +lttng enable-event -u "lttng_ust_tracef:event" +lttng start +./demo-tracef +lttng stop +lttng view +lttng destroy + +The resulting lttng view output should look like this: + +[07:32:02.021045683] (+?.?????????) thinkos lttng_ust:tracef: { cpu_id = 2 }, { _msg_length = 46, msg = "This is a "mystring test" formatted 0 event 42" } +[07:32:02.021062328] (+0.000016645) thinkos lttng_ust:tracef: { cpu_id = 2 }, { _msg_length = 46, msg = "This is a "mystring test" formatted 1 event 42" } +[07:32:02.021066300] (+0.000003972) thinkos lttng_ust:tracef: { cpu_id = 2 }, { _msg_length = 46, msg = "This is a "mystring test" formatted 2 event 42" } +[07:32:02.021069507] (+0.000003207) thinkos lttng_ust:tracef: { cpu_id = 2 }, { _msg_length = 46, msg = "This is a "mystring test" formatted 3 event 42" } +[07:32:02.021072541] (+0.000003034) thinkos lttng_ust:tracef: { cpu_id = 2 }, { _msg_length = 46, msg = "This is a "mystring test" formatted 4 event 42" } diff --git a/doc/examples/demo-tracef/demo-tracef.c b/doc/examples/demo-tracef/demo-tracef.c new file mode 100644 index 0000000..9e8b95d --- /dev/null +++ b/doc/examples/demo-tracef/demo-tracef.c @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2009 Pierre-Marc Fournier + * Copyright (C) 2011-2014 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include + +#include + +int main(int argc, char **argv) +{ + int i; + int delay = 0; + const char *str = "mystring test"; + long l = 0x42; + + if (argc == 2) + delay = atoi(argv[1]); + + fprintf(stderr, "Demo program starting.\n"); + + sleep(delay); + + fprintf(stderr, "Tracing... "); + for (i = 0; i < 5; i++) { + tracef("This is a \"%s\" formatted %d event %lx", + str, i, l); + } + fprintf(stderr, " done.\n"); + return 0; +} diff --git a/doc/examples/demo-tracelog/Makefile b/doc/examples/demo-tracelog/Makefile new file mode 100644 index 0000000..cc6843a --- /dev/null +++ b/doc/examples/demo-tracelog/Makefile @@ -0,0 +1,38 @@ +# Copyright (C) 2013 Jérémie Galarneau +# Copyright (C) 2014 Mathieu Desnoyers +# +# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED +# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. +# +# Permission is hereby granted to use or copy this program for any +# purpose, provided the above notices are retained on all copies. +# Permission to modify the code and to distribute modified code is +# granted, provided the above notices are retained, and a notice that +# the code was modified is included with the above copyright notice. +# +# This Makefile is not using automake so that users may see how to build +# a program with tracepoint provider probes as stand-alone shared objects. +# +# This makefile is purposefully kept simple to support GNU and BSD make. + +ifdef AM_CC + CC = $(AM_CC) +endif + +LIBS = -ldl -llttng-ust # On Linux +#LIBS = -lc # On BSD +LOCAL_CPPFLAGS += -I. + +all: demo-tracelog + +demo-tracelog.o: demo-tracelog.c + $(CC) $(CPPFLAGS) $(LOCAL_CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) \ + $(AM_CFLAGS) -c -o $@ $< + +demo-tracelog: demo-tracelog.o + $(CC) $(LDFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(AM_CFLAGS) \ + -o $@ $< $(LIBS) + +.PHONY: clean +clean: + rm -f *.o *.a demo-tracelog diff --git a/doc/examples/demo-tracelog/README b/doc/examples/demo-tracelog/README new file mode 100644 index 0000000..83f259e --- /dev/null +++ b/doc/examples/demo-tracelog/README @@ -0,0 +1,20 @@ +This is a demo application showing how to trace logging statements into +LTTng-UST. + +The simplest commands to trace the demo program are: + +lttng create +lttng enable-event -u "lttng_ust_tracelog:*" +lttng start +./demo-tracelog +lttng stop +lttng view +lttng destroy + +The resulting lttng view output should look like this: + +[15:54:19.454863179] (+?.?????????) thinkos lttng_ust_tracelog:TRACE_ERR: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 0" } +[15:54:19.454871660] (+0.000008481) thinkos lttng_ust_tracelog:TRACE_ERR: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 1" } +[15:54:19.454872838] (+0.000001178) thinkos lttng_ust_tracelog:TRACE_ERR: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 2" } +[15:54:19.454873541] (+0.000000703) thinkos lttng_ust_tracelog:TRACE_ERR: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 3" } +[15:54:19.454874283] (+0.000000742) thinkos lttng_ust_tracelog:TRACE_ERR: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 4" } diff --git a/doc/examples/demo-tracelog/demo-tracelog.c b/doc/examples/demo-tracelog/demo-tracelog.c new file mode 100644 index 0000000..1aaaadb --- /dev/null +++ b/doc/examples/demo-tracelog/demo-tracelog.c @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2009 Pierre-Marc Fournier + * Copyright (C) 2011-2014 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include + +#include + +int main(int argc, char **argv) +{ + int i; + int delay = 0; + + if (argc == 2) + delay = atoi(argv[1]); + + fprintf(stderr, "Demo program starting.\n"); + + sleep(delay); + + fprintf(stderr, "Tracing... "); + for (i = 0; i < 5; i++) { + tracelog(TRACE_ERR, "Error condition %d", i); + } + fprintf(stderr, " done.\n"); + return 0; +} diff --git a/doc/examples/demo/Makefile b/doc/examples/demo/Makefile new file mode 100644 index 0000000..9c847b1 --- /dev/null +++ b/doc/examples/demo/Makefile @@ -0,0 +1,57 @@ +# Copyright (C) 2013 Jérémie Galarneau +# +# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED +# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. +# +# Permission is hereby granted to use or copy this program for any +# purpose, provided the above notices are retained on all copies. +# Permission to modify the code and to distribute modified code is +# granted, provided the above notices are retained, and a notice that +# the code was modified is included with the above copyright notice. +# +# This Makefile is not using automake so that users may see how to build +# a program with tracepoint provider probes as stand-alone shared objects. +# +# This makefile is purposefully kept simple to support GNU and BSD make. + +ifdef AM_CC + CC = $(AM_CC) +endif + +LIBS = -ldl # On Linux +#LIBS = -lc # On BSD +LOCAL_CPPFLAGS += -I. + +all: demo lttng-ust-provider-ust-tests-demo.so lttng-ust-provider-ust-tests-demo3.so + +tp.o: tp.c ust_tests_demo.h + $(CC) $(CPPFLAGS) $(LOCAL_CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) \ + $(AM_CFLAGS) -fpic -c -o $@ $< + +tp2.o: tp2.c ust_tests_demo2.h + $(CC) $(CPPFLAGS) $(LOCAL_CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) \ + $(AM_CFLAGS) -fpic -c -o $@ $< + +lttng-ust-provider-ust-tests-demo.so: tp.o tp2.o + $(CC) -shared -Wl,--no-as-needed -o $@ $(LDFLAGS) $(CFLAGS) \ + $(AM_LDFLAGS) $(AM_CFLAGS) -llttng-ust tp.o tp2.o + +tp3.o: tp3.c ust_tests_demo3.h + $(CC) $(CPPFLAGS) $(LOCAL_CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) \ + $(AM_CFLAGS) -fpic -c -o $@ $< + +lttng-ust-provider-ust-tests-demo3.so: tp3.o + $(CC) -shared -Wl,--no-as-needed -o $@ $(LDFLAGS) $(CFLAGS) \ + $(AM_LDFLAGS) $(AM_CFLAGS) -llttng-ust tp3.o + +demo.o: demo.c + $(CC) $(CPPFLAGS) $(LOCAL_CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) \ + $(AM_CFLAGS) -c -o $@ $< + +demo: demo.o + $(CC) $(LDFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(AM_CFLAGS) \ + -o $@ demo.o $(LIBS) + +.PHONY: clean +clean: + rm -f *.o *.so demo diff --git a/doc/examples/demo/README b/doc/examples/demo/README new file mode 100644 index 0000000..03ee4ee --- /dev/null +++ b/doc/examples/demo/README @@ -0,0 +1,27 @@ +This is a demo application used to test the LTTng userspace tracer. + +demo-trace shell script preloads the provider shared objects before +executing the demo. Executing "demo" without the shell wrapper will not +provide any tracing support. This ensures the demo binary can be +distributed on distros without depending on having liblttng-ust.so in +place. Note: the "demo" program must be compiled with "-ldl" on Linux, +with "-lc" on BSD. + +The simplest command to trace the demo program are: +lttng create +lttng enable-event -u -a +lttng start +./demo-trace +lttng destroy + +That will create a trace in your $HOME/lttng-traces directory. + +The resulting babeltrace output should look like this: +[554297567999315] ust_tests_demo:starting: { 1 }, { value = 123 } +[554297568020834] ust_tests_demo2:loop: { 1 }, { intfield = 0, intfield2 = 0x0, longfield = 0, netintfield = 0, netintfieldhex = 0x0, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 } +[554297568024780] ust_tests_demo2:loop: { 1 }, { intfield = 1, intfield2 = 0x1, longfield = 1, netintfield = 1, netintfieldhex = 0x1, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 } +[554297568027050] ust_tests_demo2:loop: { 1 }, { intfield = 2, intfield2 = 0x2, longfield = 2, netintfield = 2, netintfieldhex = 0x2, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 } +[554297568029014] ust_tests_demo2:loop: { 1 }, { intfield = 3, intfield2 = 0x3, longfield = 3, netintfield = 3, netintfieldhex = 0x3, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 } +[554297568030861] ust_tests_demo2:loop: { 1 }, { intfield = 4, intfield2 = 0x4, longfield = 4, netintfield = 4, netintfieldhex = 0x4, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 } +[554297568033138] ust_tests_demo:done: { 1 }, { value = 456 } +[554297568034533] ust_tests_demo3:done: { 1 }, { value = 42 } diff --git a/doc/examples/demo/demo-trace b/doc/examples/demo/demo-trace new file mode 100755 index 0000000..dd67727 --- /dev/null +++ b/doc/examples/demo/demo-trace @@ -0,0 +1,6 @@ +#!/bin/sh + +DIR=$(dirname $0) +DIR=$(readlink -f $DIR) + +LD_PRELOAD=$DIR/lttng-ust-provider-ust-tests-demo.so:$DIR/lttng-ust-provider-ust-tests-demo3.so $DIR/demo ${*} diff --git a/doc/examples/demo/demo.c b/doc/examples/demo/demo.c new file mode 100644 index 0000000..e2b61c2 --- /dev/null +++ b/doc/examples/demo/demo.c @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2009 Pierre-Marc Fournier + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define TRACEPOINT_DEFINE +#define TRACEPOINT_PROBE_DYNAMIC_LINKAGE +#include "ust_tests_demo.h" +#include "ust_tests_demo2.h" +#include "ust_tests_demo3.h" + +int main(int argc, char **argv) +{ + int i, netint; + long values[] = { 1, 2, 3 }; + char text[10] = "test"; + double dbl = 2.0; + float flt = 2222.0; + int delay = 0; + + if (argc == 2) + delay = atoi(argv[1]); + + fprintf(stderr, "Demo program starting.\n"); + + sleep(delay); + + fprintf(stderr, "Tracing... "); + tracepoint(ust_tests_demo, starting, 123); + for (i = 0; i < 5; i++) { + netint = htonl(i); + tracepoint(ust_tests_demo2, loop, i, netint, values, + text, strlen(text), dbl, flt); + } + tracepoint(ust_tests_demo, done, 456); + tracepoint(ust_tests_demo3, done, 42); + fprintf(stderr, " done.\n"); + return 0; +} diff --git a/doc/examples/demo/tp.c b/doc/examples/demo/tp.c new file mode 100644 index 0000000..8e44db4 --- /dev/null +++ b/doc/examples/demo/tp.c @@ -0,0 +1,26 @@ +/* + * tp.c + * + * Copyright (c) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define TRACEPOINT_CREATE_PROBES +#include "ust_tests_demo.h" diff --git a/doc/examples/demo/tp2.c b/doc/examples/demo/tp2.c new file mode 100644 index 0000000..ba45c23 --- /dev/null +++ b/doc/examples/demo/tp2.c @@ -0,0 +1,26 @@ +/* + * tp2.c + * + * Copyright (c) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define TRACEPOINT_CREATE_PROBES +#include "ust_tests_demo2.h" diff --git a/doc/examples/demo/tp3.c b/doc/examples/demo/tp3.c new file mode 100644 index 0000000..5f97651 --- /dev/null +++ b/doc/examples/demo/tp3.c @@ -0,0 +1,26 @@ +/* + * tp3.c + * + * Copyright (c) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define TRACEPOINT_CREATE_PROBES +#include "ust_tests_demo3.h" diff --git a/doc/examples/demo/ust_tests_demo.h b/doc/examples/demo/ust_tests_demo.h new file mode 100644 index 0000000..750f510 --- /dev/null +++ b/doc/examples/demo/ust_tests_demo.h @@ -0,0 +1,63 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER ust_tests_demo + +#if !defined(_TRACEPOINT_UST_TESTS_DEMO_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_TESTS_DEMO_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +TRACEPOINT_EVENT(ust_tests_demo, starting, + TP_ARGS(int, value), + TP_FIELDS( + ctf_integer(int, value, value) + ) +) +TRACEPOINT_LOGLEVEL(ust_tests_demo, starting, TRACE_CRIT) + +/* + * Dummy model information, just for example. TODO: we should check if + * EMF model URI have some standard format we should follow. + */ +TRACEPOINT_MODEL_EMF_URI(ust_tests_demo, starting, + "http://example.com/path_to_model?q=ust_tests_demo:starting") + +TRACEPOINT_EVENT(ust_tests_demo, done, + TP_ARGS(int, value), + TP_FIELDS( + ctf_integer(int, value, value) + ) +) +TRACEPOINT_LOGLEVEL(ust_tests_demo, done, TRACE_CRIT) + +TRACEPOINT_MODEL_EMF_URI(ust_tests_demo, done, + "http://example.com/path_to_model?q=ust_tests_demo:done") + +#endif /* _TRACEPOINT_UST_TESTS_DEMO_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_tests_demo.h" + +/* This part must be outside ifdef protection */ +#include diff --git a/doc/examples/demo/ust_tests_demo2.h b/doc/examples/demo/ust_tests_demo2.h new file mode 100644 index 0000000..eec0349 --- /dev/null +++ b/doc/examples/demo/ust_tests_demo2.h @@ -0,0 +1,60 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER ust_tests_demo2 + +#if !defined(_TRACEPOINT_UST_TESTS_DEMO2_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_TESTS_DEMO2_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +TRACEPOINT_EVENT(ust_tests_demo2, loop, + TP_ARGS(int, anint, int, netint, long *, values, + char *, text, size_t, textlen, + double, doublearg, float, floatarg), + TP_FIELDS( + ctf_integer(int, intfield, anint) + ctf_integer_hex(int, intfield2, anint) + ctf_integer(long, longfield, anint) + ctf_integer_network(int, netintfield, netint) + ctf_integer_network_hex(int, netintfieldhex, netint) + ctf_array(long, arrfield1, values, 3) + ctf_array_text(char, arrfield2, text, 10) + ctf_sequence(char, seqfield1, text, + size_t, textlen) + ctf_sequence_text(char, seqfield2, text, + size_t, textlen) + ctf_string(stringfield, text) + ctf_float(float, floatfield, floatarg) + ctf_float(double, doublefield, doublearg) + ) +) +TRACEPOINT_LOGLEVEL(ust_tests_demo2, loop, TRACE_WARNING) + +#endif /* _TRACEPOINT_UST_TESTS_DEMO2_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_tests_demo2.h" + +/* This part must be outside ifdef protection */ +#include diff --git a/doc/examples/demo/ust_tests_demo3.h b/doc/examples/demo/ust_tests_demo3.h new file mode 100644 index 0000000..232d577 --- /dev/null +++ b/doc/examples/demo/ust_tests_demo3.h @@ -0,0 +1,45 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER ust_tests_demo3 + +#if !defined(_TRACEPOINT_UST_TESTS_DEMO3_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_TESTS_DEMO3_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +TRACEPOINT_EVENT(ust_tests_demo3, done, + TP_ARGS(int, value), + TP_FIELDS( + ctf_integer(int, value, value) + ) +) +TRACEPOINT_LOGLEVEL(ust_tests_demo3, done, TRACE_WARNING) + +#endif /* _TRACEPOINT_UST_TESTS_DEMO3_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_tests_demo3.h" + +/* This part must be outside ifdef protection */ +#include diff --git a/doc/examples/easy-ust/Makefile b/doc/examples/easy-ust/Makefile new file mode 100644 index 0000000..723780f --- /dev/null +++ b/doc/examples/easy-ust/Makefile @@ -0,0 +1,52 @@ +# Copyright (C) 2011-2012 Matthew Khouzam +# Copyright (C) 2012 Mathieu Desnoyers +# +# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED +# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. +# +# Permission is hereby granted to use or copy this program for any +# purpose, provided the above notices are retained on all copies. +# Permission to modify the code and to distribute modified code is +# granted, provided the above notices are retained, and a notice that +# the code was modified is included with the above copyright notice. +# +# This makefile is not using automake so that users can see how to build +# a program with a statically embedded tracepoint provider probe. +# the "html" target helps for documentation (req. code2html) +# +# This makefile is purposefully kept simple to support GNU and BSD make. + +ifdef AM_CC + CC = $(AM_CC) +endif + +LIBS = -ldl -llttng-ust # On Linux +#LIBS = -lc -llttng-ust # On BSD +LOCAL_CPPFLAGS += -I. + +all: sample + +sample: sample.o tp.o + $(CC) -o $@ $(LDFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(AM_CFLAGS) \ + sample.o tp.o $(LIBS) + +sample.o: sample.c sample_component_provider.h + $(CC) $(CPPFLAGS) $(LOCAL_CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) \ + $(AM_CFLAGS) -c -o $@ $< + +tp.o: tp.c sample_component_provider.h + $(CC) $(CPPFLAGS) $(LOCAL_CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) \ + $(AM_CFLAGS) -c -o $@ $< + +html: sample_component_provider.html sample.html tp.html + +%.html: %.c + code2html -lc $< $@ + +%.html : %.h + code2html -lc $< $@ + +.PHONY: clean +clean: + rm -f *.html + rm -f *.o sample diff --git a/doc/examples/easy-ust/sample.c b/doc/examples/easy-ust/sample.c new file mode 100644 index 0000000..4d19890 --- /dev/null +++ b/doc/examples/easy-ust/sample.c @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2011-2012 Matthew Khouzam + * Copyright (C) 2012 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +/* + * We need to define TRACEPOINT_DEFINE in one C file in the program + * before including provider headers. + */ +#define TRACEPOINT_DEFINE +#include "sample_component_provider.h" + +int main(int argc, char **argv) +{ + int i = 0; + + for (i = 0; i < 100000; i++) { + tracepoint(sample_component, message, "Hello World"); + usleep(1); + } + return 0; +} diff --git a/doc/examples/easy-ust/sample_component_provider.h b/doc/examples/easy-ust/sample_component_provider.h new file mode 100644 index 0000000..dd3c5f0 --- /dev/null +++ b/doc/examples/easy-ust/sample_component_provider.h @@ -0,0 +1,135 @@ +/* + * Copyright (C) 2011-2012 Mathieu Desnoyers + * Copyright (C) 2011-2012 Matthew Khouzam + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * Sample lttng-ust tracepoint provider. + */ + +/* + * First part: defines + * We undef a macro before defining it as it can be used in several files. + */ + +/* + * Must be included before include tracepoint provider + * ex.: project_event + * ex.: project_component_event + * + * Optional company name goes here + * ex.: com_efficios_project_component_event + * + * In this example, "sample" is the project, and "component" is the + * component. + */ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER sample_component + +/* + * include file (this files's name) + */ +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./sample_component_provider.h" + +/* + * Add this precompiler conditionals to ensure the tracepoint event generation + * can include this file more than once. + */ +#if !defined(_SAMPLE_COMPONENT_PROVIDER_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _SAMPLE_COMPONENT_PROVIDER_H +/* + * Add this to allow programs to call "tracepoint(...): + */ +#include + +/* + * The following tracepoint event writes a message (c string) into the + * field message of the trace event message in the provider + * sample_component in other words: + * + * sample_component:message:message = text. + */ +TRACEPOINT_EVENT( + /* + * provider name, not a variable but a string starting with a letter + * and containing either letters, numbers or underscores. + * Needs to be the same as TRACEPOINT_PROVIDER + */ + sample_component, + /* + * tracepoint name, same format as sample provider. Does not need to be + * declared before. in this case the name is "message" + */ + message, + /* + * TP_ARGS macro contains the arguments passed for the tracepoint + * it is in the following format + * TP_ARGS( type1, name1, type2, name2, ... type10, name10) + * where there can be from zero to ten elements. + * typeN is the datatype, such as int, struct or double **. + * name is the variable name (in "int myInt" the name would be myint) + * TP_ARGS() is valid to mean no arguments + * TP_ARGS( void ) is valid too + */ + TP_ARGS(char *, text), + /* + * TP_FIELDS describes how to write the fields of the trace event. + * You can use the args here + */ + TP_FIELDS( + /* + * The ctf_string macro takes a c string and writes it into a field + * named "message" + */ + ctf_string(message, text) + ) +) +/* + * Trace loglevel, shows the level of the trace event. It can be TRACE_EMERG, + * TRACE_ALERT, TRACE_CRIT, TRACE_ERR, TRACE_WARNING, TRACE_INFO or others. + * If this is not set, TRACE_DEFAULT is assumed. + * The first two arguments identify the tracepoint + * See details in line 347 + */ +TRACEPOINT_LOGLEVEL( + /* + * The provider name, must be the same as the provider name in the + * TRACEPOINT_EVENT and as TRACEPOINT_PROVIDER above. + */ + sample_component, + /* + * The tracepoint name, must be the same as the tracepoint name in the + * TRACEPOINT_EVENT + */ + message, + /* + * The tracepoint loglevel. Warning, some levels are abbreviated and + * others are not, please see + */ + TRACE_WARNING) + +#endif /* _SAMPLE_COMPONENT_PROVIDER_H */ + +/* + * Add this after defining the tracepoint events to expand the macros. + */ +#include diff --git a/doc/examples/easy-ust/tp.c b/doc/examples/easy-ust/tp.c new file mode 100644 index 0000000..b46de6f --- /dev/null +++ b/doc/examples/easy-ust/tp.c @@ -0,0 +1,33 @@ +/* + * tp.c + * + * Copyright (c) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * Defining macro creates the code objects of the traceprobes, only do + * it once per file + */ +#define TRACEPOINT_CREATE_PROBES +/* + * The header containing our TRACEPOINT_EVENTs. + */ +#include "sample_component_provider.h" diff --git a/doc/examples/gen-tp/Makefile b/doc/examples/gen-tp/Makefile new file mode 100644 index 0000000..5c2a78c --- /dev/null +++ b/doc/examples/gen-tp/Makefile @@ -0,0 +1,66 @@ +# Copyright (C) 2011-2012 Matthew Khouzam +# Copyright (C) 2012 Mathieu Desnoyers +# Copyright (C) 2012 Yannick Brosseau +# +# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED +# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. +# +# Permission is hereby granted to use or copy this program for any +# purpose, provided the above notices are retained on all copies. +# Permission to modify the code and to distribute modified code is +# granted, provided the above notices are retained, and a notice that +# the code was modified is included with the above copyright notice. +# +# This makefile is not using automake so that people can see how to make +# simply. It builds a program with a statically embedded tracepoint +# provider probe. +# +# This makefile is purposefully kept simple to support GNU and BSD make. + +ifdef AM_CC + CC = $(AM_CC) +endif + +LIBS = -ldl -llttng-ust #On Linux +#LIBS = -lc -llttng-ust #On BSD + +all: sample + +sample: sample.o sample_tracepoint.o + $(CC) $(LDFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(AM_CFLAGS) \ + -o $@ sample.o sample_tracepoint.o $(LIBS) + +sample.o: sample.c sample_tracepoint.h + $(CC) $(CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) $(AM_CFLAGS) \ + -c -o $@ $< + +# Use this command to compile the .c manually +#sample_tracepoint.o: sample_tracepoint.c sample_tracepoint.h +# $(CC) $(CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) $(AM_CFLAGS) \ +# -I. -c -o $@ $< + +# This rule generate .o only and depends on rules for generating +# the .h and .c +%.o: %.tp %.c %.h + CPPFLAGS="$(CPPFLAGS) $(AM_CPPFLAGS)" \ + CFLAGS="$(CFLAGS) $(AM_CFLAGS)" \ + LDFLAGS="$(LDFLAGS) $(AM_LDFLAGS)" \ + CC="$(CC)" \ + $(LTTNG_GEN_TP_PATH)lttng-gen-tp -o $@ $< + +# The following rule can be used to generate all files instead of having one +# for each file type. Note that the sample.o has a dependency on the +# .h, so you need to change that if you remove the %.h rule. +#%.o: %.tp +# lttng-gen-tp $< + +%.h: %.tp + $(LTTNG_GEN_TP_PATH)lttng-gen-tp -o $@ $< + +%.c: %.tp + $(LTTNG_GEN_TP_PATH)lttng-gen-tp -o $@ $< + +.PHONY: clean +clean: + rm -f *.o sample + rm -f sample_tracepoint.h sample_tracepoint.c diff --git a/doc/examples/gen-tp/sample.c b/doc/examples/gen-tp/sample.c new file mode 100644 index 0000000..dab6e7d --- /dev/null +++ b/doc/examples/gen-tp/sample.c @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2011-2012 Matthew Khouzam + * Copyright (C) 2012 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +#include "sample_tracepoint.h" +int main(int argc, char **argv) +{ + int i = 0; + + for (i = 0; i < 100000; i++) { + tracepoint(sample_tracepoint, message, "Hello World\n"); + usleep(1); + } + return 0; +} diff --git a/doc/examples/gen-tp/sample_tracepoint.tp b/doc/examples/gen-tp/sample_tracepoint.tp new file mode 100644 index 0000000..fa7d18a --- /dev/null +++ b/doc/examples/gen-tp/sample_tracepoint.tp @@ -0,0 +1,15 @@ +TRACEPOINT_EVENT( + sample_tracepoint, + message, // C++ Style comment + TP_ARGS(char *, text), + TP_FIELDS( + ctf_string(message, text) + ) +) +/* + * Longer comments + */ +TRACEPOINT_LOGLEVEL( + sample_tracepoint, + message, + TRACE_WARNING) diff --git a/doc/examples/getcpu-override/Makefile b/doc/examples/getcpu-override/Makefile new file mode 100644 index 0000000..ec752d7 --- /dev/null +++ b/doc/examples/getcpu-override/Makefile @@ -0,0 +1,38 @@ +# Copyright (C) 2013 Jérémie Galarneau +# Copyright (C) 2014 Mathieu Desnoyers +# +# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED +# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. +# +# Permission is hereby granted to use or copy this program for any +# purpose, provided the above notices are retained on all copies. +# Permission to modify the code and to distribute modified code is +# granted, provided the above notices are retained, and a notice that +# the code was modified is included with the above copyright notice. +# +# This Makefile is not using automake so that users may see how to build +# a program with tracepoint provider probes as stand-alone shared objects. +# +# This makefile is purposefully kept simple to support GNU and BSD make. + +ifdef AM_CC + CC = $(AM_CC) +endif + +LIBS = -ldl # On Linux +#LIBS = -lc # On BSD +LOCAL_CPPFLAGS += -I. + +all: lttng-ust-getcpu-override-example.so + +lttng-ust-getcpu-override-example.o: lttng-ust-getcpu-override-example.c + $(CC) $(CPPFLAGS) $(LOCAL_CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) \ + $(AM_CFLAGS) -fpic -c -o $@ $< + +lttng-ust-getcpu-override-example.so: lttng-ust-getcpu-override-example.o + $(CC) -shared -Wl,--no-as-needed -o $@ $(LDFLAGS) $(CFLAGS) \ + $(AM_LDFLAGS) $(AM_CFLAGS) lttng-ust-getcpu-override-example.o + +.PHONY: clean +clean: + rm -f *.o *.so diff --git a/doc/examples/getcpu-override/README b/doc/examples/getcpu-override/README new file mode 100644 index 0000000..05c8e32 --- /dev/null +++ b/doc/examples/getcpu-override/README @@ -0,0 +1,5 @@ +This getcpu override example shows how to implement and load a getcpu +override plugin for LTTng-UST. This can be useful in cases where direct +hardware access is available for architecture-specific registers holding +the CPU number, and where it should be used rather than the Linux kernel +sched_getcpu() vDSO/syscall. diff --git a/doc/examples/getcpu-override/lttng-ust-getcpu-override-example.c b/doc/examples/getcpu-override/lttng-ust-getcpu-override-example.c new file mode 100644 index 0000000..b067beb --- /dev/null +++ b/doc/examples/getcpu-override/lttng-ust-getcpu-override-example.c @@ -0,0 +1,52 @@ +/* + * lttng-getcpu-override-example.c + * + * Copyright (c) 2014 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include +#include +#include +#include + +static +int plugin_getcpu(void) +{ + /* Dummy: always return CPU 0. */ + return 0; +} + +void lttng_ust_getcpu_plugin_init(void) +{ + int ret; + + ret = lttng_ust_getcpu_override(plugin_getcpu); + if (ret) { + fprintf(stderr, "Error enabling getcpu override: %s\n", + strerror(-ret)); + goto error; + } + return; + +error: + exit(EXIT_FAILURE); +} diff --git a/doc/examples/getcpu-override/run-getcpu-override b/doc/examples/getcpu-override/run-getcpu-override new file mode 100755 index 0000000..d053233 --- /dev/null +++ b/doc/examples/getcpu-override/run-getcpu-override @@ -0,0 +1,8 @@ +#!/bin/sh + +# launch with: run-getcpu-override progname args + +DIR=$(dirname $0) +DIR=$(readlink -f $DIR) + +LTTNG_UST_GETCPU_PLUGIN="$DIR/lttng-ust-getcpu-override-example.so" ${*} diff --git a/doc/examples/hello-static-lib/Makefile b/doc/examples/hello-static-lib/Makefile new file mode 100644 index 0000000..ec185c1 --- /dev/null +++ b/doc/examples/hello-static-lib/Makefile @@ -0,0 +1,44 @@ +# Copyright (C) 2013 Jérémie Galarneau +# +# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED +# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. +# +# Permission is hereby granted to use or copy this program for any +# purpose, provided the above notices are retained on all copies. +# Permission to modify the code and to distribute modified code is +# granted, provided the above notices are retained, and a notice that +# the code was modified is included with the above copyright notice. +# +# This Makefile is not using automake so that users may see how to build +# a program with tracepoint provider probes compiled as static libraries. +# +# This makefile is purposefully kept simple to support GNU and BSD make. + +ifdef AM_CC + CC = $(AM_CC) +endif + +LOCAL_CPPFLAGS += -I. +LIBS = -ldl -llttng-ust # On Linux +#LIBS = -lc -llttng-ust # On BSD + +all: hello + +lttng-ust-provider-hello.o: tp.c ust_tests_hello.h + $(CC) $(CPPFLAGS) $(LOCAL_CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) \ + $(AM_CFLAGS) -c -o $@ $< + +lttng-ust-provider-hello.a: lttng-ust-provider-hello.o + ar -rc $@ lttng-ust-provider-hello.o + +hello.o: hello.c + $(CC) $(CPPFLAGS) $(LOCAL_CPPFLAGS) $(CFLAGS) $(AM_CPPFLAGS) \ + $(AM_CFLAGS) -c -o $@ $< + +hello: hello.o lttng-ust-provider-hello.a + $(CC) -o $@ $(LDFLAGS) $(CPPFLAGS) $(AM_LDFLAGS) $(AM_CFLAGS) \ + hello.o lttng-ust-provider-hello.a $(LIBS) + +.PHONY: clean +clean: + rm -f *.o *.a hello diff --git a/doc/examples/hello-static-lib/README b/doc/examples/hello-static-lib/README new file mode 100644 index 0000000..abb056f --- /dev/null +++ b/doc/examples/hello-static-lib/README @@ -0,0 +1,3 @@ +This is a "hello world" application used to verify that an instrumented +program can be built successfully and linked with tracepoint providers +built as a separate static library. diff --git a/doc/examples/hello-static-lib/hello.c b/doc/examples/hello-static-lib/hello.c new file mode 100644 index 0000000..693709d --- /dev/null +++ b/doc/examples/hello-static-lib/hello.c @@ -0,0 +1,94 @@ +/* + * Copyright (C) 2009 Pierre-Marc Fournier + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define TRACEPOINT_DEFINE +#include "ust_tests_hello.h" + +void inthandler(int sig) +{ + printf("in SIGUSR1 handler\n"); + tracepoint(ust_tests_hello, tptest_sighandler); +} + +int init_int_handler(void) +{ + int result; + struct sigaction act; + + memset(&act, 0, sizeof(act)); + result = sigemptyset(&act.sa_mask); + if (result == -1) { + perror("sigemptyset"); + return -1; + } + + act.sa_handler = inthandler; + act.sa_flags = SA_RESTART; + + /* Only defer ourselves. Also, try to restart interrupted + * syscalls to disturb the traced program as little as possible. + */ + result = sigaction(SIGUSR1, &act, NULL); + if (result == -1) { + perror("sigaction"); + return -1; + } + + return 0; +} + +int main(int argc, char **argv) +{ + int i, netint; + long values[] = { 1, 2, 3 }; + char text[10] = "test"; + double dbl = 2.0; + float flt = 2222.0; + int delay = 0; + + init_int_handler(); + + if (argc == 2) + delay = atoi(argv[1]); + + fprintf(stderr, "Hello, World!\n"); + + sleep(delay); + + fprintf(stderr, "Tracing... "); + for (i = 0; i < 1000000; i++) { + netint = htonl(i); + tracepoint(ust_tests_hello, tptest, i, netint, values, + text, strlen(text), dbl, flt); + } + fprintf(stderr, " done.\n"); + return 0; +} diff --git a/doc/examples/hello-static-lib/tp.c b/doc/examples/hello-static-lib/tp.c new file mode 100644 index 0000000..4790965 --- /dev/null +++ b/doc/examples/hello-static-lib/tp.c @@ -0,0 +1,26 @@ +/* + * tp.c + * + * Copyright (c) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define TRACEPOINT_CREATE_PROBES +#include "ust_tests_hello.h" diff --git a/doc/examples/hello-static-lib/ust_tests_hello.h b/doc/examples/hello-static-lib/ust_tests_hello.h new file mode 100644 index 0000000..e783fec --- /dev/null +++ b/doc/examples/hello-static-lib/ust_tests_hello.h @@ -0,0 +1,64 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER ust_tests_hello + +#if !defined(_TRACEPOINT_UST_TESTS_HELLO_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_TESTS_HELLO_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +TRACEPOINT_EVENT(ust_tests_hello, tptest, + TP_ARGS(int, anint, int, netint, long *, values, + char *, text, size_t, textlen, + double, doublearg, float, floatarg), + TP_FIELDS( + ctf_integer(int, intfield, anint) + ctf_integer_hex(int, intfield2, anint) + ctf_integer(long, longfield, anint) + ctf_integer_network(int, netintfield, netint) + ctf_integer_network_hex(int, netintfieldhex, netint) + ctf_array(long, arrfield1, values, 3) + ctf_array_text(char, arrfield2, text, 10) + ctf_sequence(char, seqfield1, text, + size_t, textlen) + ctf_sequence_text(char, seqfield2, text, + size_t, textlen) + ctf_string(stringfield, text) + ctf_float(float, floatfield, floatarg) + ctf_float(double, doublefield, doublearg) + ) +) + +TRACEPOINT_EVENT(ust_tests_hello, tptest_sighandler, + TP_ARGS(), + TP_FIELDS() +) + +#endif /* _TRACEPOINT_UST_TESTS_HELLO_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_tests_hello.h" + +/* This part must be outside ifdef protection */ +#include diff --git a/doc/examples/java-jul/ApplicationContextExample.java b/doc/examples/java-jul/ApplicationContextExample.java new file mode 100644 index 0000000..52cef3f --- /dev/null +++ b/doc/examples/java-jul/ApplicationContextExample.java @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2016 - EfficiOS Inc., Alexandre Montplaisir + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +import java.io.IOException; +import java.util.logging.Handler; +import java.util.logging.Logger; + +import org.lttng.ust.agent.context.ContextInfoManager; +import org.lttng.ust.agent.context.IContextInfoRetriever; +import org.lttng.ust.agent.jul.LttngLogHandler; + +/** + * Example program defining a application context retriever, which allows + * attaching application-defined contexts to trace events. + * + * FIXME Use custom context names, and several names/types + * + *

+ * Usage: + *

    + *
  • $ lttng create
    • + *
  • $ lttng enable-event -j -a
    • + *
  • $ lttng add-context -j -t '$app.myprovider:mystringcontext'
    • + *
  • $ lttng add-context -j -t '$app.myprovider:myshortcontext'
    • + *
  • $ lttng start
    • + *
  • (run this program)
    • + *
  • $ lttng stop
    • + *
  • $ lttng view
    • + *
  • $ lttng destroy
    • + *
+ *

+ * + * The events present in the resulting trace should carry the context + * information defined in the example retriever. + * + * @author Alexandre Montplaisir + */ +public class ApplicationContextExample { + + /** Class-wide JUL logger object */ + private static final Logger LOGGER = Logger.getLogger(ApplicationContextExample.class.getName()); + + private static final String RETRIEVER_NAME = "myprovider"; + private static final String CONTEXT_NAME_STRING = "mystringcontext"; + private static final String CONTEXT_NAME_SHORT = "myshortcontext"; + + private static class ExampleContextInfoRetriever implements IContextInfoRetriever { + + @Override + public Object retrieveContextInfo(String key) { + if (CONTEXT_NAME_SHORT.equals(key)) { + return (short) 42; + } else if (CONTEXT_NAME_STRING.equals(key)) { + return "context-value!"; + } else { + return null; + } + } + + } + + /** + * Application start + * + * @param args + * Command-line arguments + * @throws IOException + * @throws InterruptedException + */ + public static void main(String args[]) throws IOException, InterruptedException { + /* Instantiate and attach a logger object */ + Handler lttngHandler = new LttngLogHandler(); + LOGGER.addHandler(lttngHandler); + + /* Instantiate and register the context retriever */ + IContextInfoRetriever cir = new ExampleContextInfoRetriever(); + ContextInfoManager.getInstance().registerContextInfoRetriever(RETRIEVER_NAME, cir); + + /* + * Make sure you have a LTTng session running with the appropriate + * events and contexts enabled! See the class Javadoc. + */ + + /* Trigger a tracing event using the JUL Logger created before. */ + LOGGER.info("Log event #1"); + LOGGER.warning("Log event #2"); + LOGGER.severe("Log event #3"); + + /* Unregister our context retriever, and dispose the log handler */ + ContextInfoManager.getInstance().unregisterContextInfoRetriever(RETRIEVER_NAME); + lttngHandler.close(); + } +} diff --git a/doc/examples/java-jul/FilterChangeListenerExample.java b/doc/examples/java-jul/FilterChangeListenerExample.java new file mode 100644 index 0000000..c1f158a --- /dev/null +++ b/doc/examples/java-jul/FilterChangeListenerExample.java @@ -0,0 +1,98 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +import java.io.IOException; +import java.util.logging.Level; + +import org.lttng.ust.agent.ILttngHandler; +import org.lttng.ust.agent.filter.FilterChangeNotifier; +import org.lttng.ust.agent.filter.IFilterChangeListener; +import org.lttng.ust.agent.jul.LttngLogHandler; +import org.lttng.ust.agent.session.EventRule; +import org.lttng.ust.agent.session.LogLevelSelector; + +/** + * Example usage of a {@link IFilterChangeListener}. + * + * This listener will simply print to stdout the notifications it receives. To + * try it, run the program, then issue "lttng enable-event" and + * "lttng disable-event" commands for the JUL domain. + * + * @author Alexandre Montplaisir + */ +public class FilterChangeListenerExample { + + private static class ExampleFilterChangeListener implements IFilterChangeListener { + + @Override + public void eventRuleAdded(EventRule rule) { + System.out.println(); + System.out.println("New event rule enabled:"); + System.out.println("Event name: " + rule.getEventName()); + System.out.println(printLogLevel(rule.getLogLevelSelector())); + System.out.println("Filter string: " + rule.getFilterString()); + } + + @Override + public void eventRuleRemoved(EventRule rule) { + System.out.println(); + System.out.println("Event rule disabled:"); + System.out.println("Event name: " + rule.getEventName()); + System.out.println(printLogLevel(rule.getLogLevelSelector())); + System.out.println("Filter string: " + rule.getFilterString()); + } + + /** + * Convenience method to print integer log level values into their JUL + * equivalent. + */ + private static String printLogLevel(LogLevelSelector lls) { + String llname = Level.parse(String.valueOf(lls.getLogLevel())).getName(); + return "Log level: " + llname + ", filter type: " + lls.getLogLevelType().toString(); + } + } + + /** + * Run the program. + * + * @param args + * Command-line arguments (not used) + * @throws IOException + */ + public static void main(String args[]) throws IOException { + /* We need at least one log handler to activate the LTTng agent */ + ILttngHandler handler = new LttngLogHandler(); + + /* Create a listener and register it to the manager */ + IFilterChangeListener listener = new ExampleFilterChangeListener(); + FilterChangeNotifier.getInstance().registerListener(listener); + + System.out.println("Press Enter to finish."); + System.in.read(); + + /* Unregister the listener */ + FilterChangeNotifier.getInstance().unregisterListener(listener); + + /* Cleanup the log handler we created */ + handler.close(); + } +} diff --git a/doc/examples/java-jul/Hello.java b/doc/examples/java-jul/Hello.java new file mode 100644 index 0000000..cb9f24b --- /dev/null +++ b/doc/examples/java-jul/Hello.java @@ -0,0 +1,94 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * Copyright (C) 2013 - David Goulet + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +import java.io.IOException; +import java.util.logging.Handler; +import java.util.logging.Logger; + +import org.lttng.ust.agent.jul.LttngLogHandler; + +/** + * Example application using the LTTng-UST Java JUL agent. + * + *

+ * Basically all that is required is to instantiate a {@link LttngLogHandler} + * and to attach it to a JUL {@link Logger}. Then use the Logger normally to log + * messages, which will be sent to UST as trace events. + *

+ *

+ * {@link Logger} names are used as event names on the UST side. This means that + * by enabling/disabling certain events in the tracing session, you are + * effectively enabling and disabling Loggers on the Java side. Note that this + * applies only to {@link LttngLogHandler}'s. If other handlers are attached to + * the Logger, those will continue logging events normally. + *

+ * + *

+ * To obtain LTTng trace events, you should run the following sequence of + * commands: + *

+ * + *
    + *
  • $ lttng create
    • + *
  • $ lttng enable-event -j -a
    • + *
  • $ lttng start
    • + *
  • (run this program)
    • + *
  • $ lttng stop
    • + *
  • $ lttng view
    • + *
  • $ lttng destroy
    • + *
+ * + * @author Alexandre Montplaisir + * @author David Goulet + */ +public class Hello { + + /** Class-wide JUL logger object */ + private static final Logger LOGGER = Logger.getLogger(Hello.class.getName()); + + /** + * Application start + * + * @param args + * Command-line arguments + * @throws IOException + * If the required native libraries cannot be found. You may + * have to specify "-Djava.library.path=..." on the "java" + * command line. + */ + public static void main(String args[]) throws IOException { + + /* Instantiate a LTTngLogHandler object, and attach it to our logger */ + Handler lttngHandler = new LttngLogHandler(); + LOGGER.addHandler(lttngHandler); + + /* Log events using the JUL Logger created before. */ + LOGGER.info("Hello World, the answer is " + 42); + LOGGER.info("Another info event"); + LOGGER.severe("A severe event"); + + /* Cleanup */ + LOGGER.removeHandler(lttngHandler); + lttngHandler.close(); + } +} diff --git a/doc/examples/java-jul/Makefile b/doc/examples/java-jul/Makefile new file mode 100644 index 0000000..3eb6870 --- /dev/null +++ b/doc/examples/java-jul/Makefile @@ -0,0 +1,51 @@ +# +# Copyright (C) 2013 - David Goulet +# +# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED OR +# IMPLIED. ANY USE IS AT YOUR OWN RISK. +# +# Permission is hereby granted to use or copy this program for any purpose, +# provided the above notices are retained on all copies. Permission to modify +# the code and to distribute modified code is granted, provided the above +# notices are retained, and a notice that the code was modified is included +# with the above copyright notice. +# +# This Makefile is not using automake so that users may see how to build a +# program with tracepoint provider probes as stand-alone shared objects. +# +# This makefile is purposefully kept simple to support GNU and BSD make. +# + +# Required JAR files for JUL +JARFILE_JUL=lttng-ust-agent-jul.jar +JARFILE_COMMON=lttng-ust-agent-common.jar + +# Check if the top level makefile overrides the JUL Jar file's path. +ifeq "$(JAVA_CLASSPATH_OVERRIDE_JUL)" "" + CLASSPATH=/usr/local/share/java/$(JARFILE_JUL):/usr/share/java/$(JARFILE_JUL) +else + CLASSPATH=$(JAVA_CLASSPATH_OVERRIDE_JUL)/$(JARFILE_JUL) +endif + +# Check if the top level makefile overrides the Common Jar file's path. +ifeq "$(JAVA_CLASSPATH_OVERRIDE_COMMON)" "" + CLASSPATH:=$(CLASSPATH):/usr/local/share/java/$(JARFILE_COMMON):/usr/share/java/$(JARFILE_COMMON) +else + CLASSPATH:=$(CLASSPATH):$(JAVA_CLASSPATH_OVERRIDE_COMMON)/$(JARFILE_COMMON) +endif + +JFLAGS = -g +JC = javac -classpath "$(CLASSPATH):." +.SUFFIXES: .java .class +.java.class: + $(JC) $(JFLAGS) $*.java + +CLASSES = Hello.java FilterChangeListenerExample.java ApplicationContextExample.java + +all: classes + +classes: $(CLASSES:.java=.class) + +.PHONY: clean +clean: + $(RM) *.class diff --git a/doc/examples/java-jul/README b/doc/examples/java-jul/README new file mode 100644 index 0000000..d8998b6 --- /dev/null +++ b/doc/examples/java-jul/README @@ -0,0 +1,7 @@ +Type "make" to compile and use "./run" to start the example. + +The Hello.java file contains a lot of useful information in order to instrument +your application. + +The "run" file shows you how to link your Java application with the LTTng UST +JUL library. diff --git a/doc/examples/java-jul/run b/doc/examples/java-jul/run new file mode 100755 index 0000000..eb340da --- /dev/null +++ b/doc/examples/java-jul/run @@ -0,0 +1,33 @@ +#!/bin/bash + +# +# The -cp path should be changed to the lttng ust JUL jar file on your system +# or locally to the project. Same goes for the Java library path in order to +# find the JNI JUL library. +# + +DIR=`dirname $0` +JARFILE_COMMON="lttng-ust-agent-common.jar" +JARFILE_JUL="lttng-ust-agent-jul.jar" +JAVA_OPTIONS="" + +cd $DIR + +if [ -f "$DIR/.intree" ]; then + CLASSPATH="../../../liblttng-ust-java-agent/java/lttng-ust-agent-common/$JARFILE_COMMON" + CLASSPATH="$CLASSPATH:../../../liblttng-ust-java-agent/java/lttng-ust-agent-jul/$JARFILE_JUL" + LIBPATH="../../../liblttng-ust-java-agent/jni/jul/.libs" +else + CLASSPATH="/usr/local/share/java/$JARFILE_COMMON:/usr/share/java/$JARFILE_COMMON" + CLASSPATH="$CLASSPATH:/usr/local/share/java/$JARFILE_JUL:/usr/share/java/$JARFILE_JUL" + # Use system defined java.library.path + #LIBPATH="/usr/local/lib:/usr/lib" +fi + +if [ "x$LIBPATH" != "x" ]; then + JAVA_OPTIONS="$JAVA_OPTIONS -Djava.library.path=$LIBPATH" +fi + +java -classpath "$CLASSPATH:." $JAVA_OPTIONS Hello + +cd - diff --git a/doc/examples/java-log4j/Hello.java b/doc/examples/java-log4j/Hello.java new file mode 100644 index 0000000..2f1119c --- /dev/null +++ b/doc/examples/java-log4j/Hello.java @@ -0,0 +1,104 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * Copyright (C) 2014 - Christian Babeux + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +import java.io.IOException; + +import org.apache.log4j.Appender; +import org.apache.log4j.BasicConfigurator; +import org.apache.log4j.Logger; +import org.apache.log4j.Level; +import org.lttng.ust.agent.log4j.LttngLogAppender; + +/** + * Example application using the LTTng-UST Java log4j agent. + * + *

+ * To obtain LTTng trace events, you should run the following sequence of + * commands: + *

+ * + *
    + *
  • $ lttng create
    • + *
  • $ lttng enable-event -l -a
    • + *
  • $ lttng start
    • + *
  • (run this program)
    • + *
  • $ lttng stop
    • + *
  • $ lttng view
    • + *
  • $ lttng destroy
    • + *
+ * + * @author Alexandre Montplaisir + * @author Christian Babeux + */ +public class Hello { + + private static final Logger HELLO_LOG = Logger.getLogger(Hello.class); + + /** + * Application start + * + * @param args + * Command-line arguments + * @throws IOException + * If the required native libraries cannot be found. You may + * have to specify "-Djava.library.path=..." on the "java" + * command line. + */ + public static void main(String args[]) throws IOException { + + /* + * Set lowest level to make sure all event levels are logged. + * Any jar can override the default log4j rootLogger level + * and a logger with no explicit level defaults to the non-null + * parent level. Events could be ignored if the inherited value + * is to low. + * e.g BSF -> https://issues.apache.org/jira/browse/BSF-24 + */ + HELLO_LOG.setLevel(Level.ALL); + + /* Start with the default Log4j configuration, which logs to console */ + BasicConfigurator.configure(); + + /* + * Instantiate a LTTng log appender and attach it to the logger, which + * will now send the logged events to UST. + */ + Appender lttngAppender = new LttngLogAppender(); + HELLO_LOG.addAppender(lttngAppender); + + /* + * Here we've set up the appender programmatically, but it could also be + * defined at runtime, by reading a configuration file for example: + */ + // PropertyConfigurator.configure(fileName); + + /* Trigger some tracing events using the Log4j Logger created before. */ + HELLO_LOG.info("Hello World, the answer is " + 42); + HELLO_LOG.info("Another info event"); + HELLO_LOG.error("An error event"); + + /* Cleanup */ + HELLO_LOG.removeAppender(lttngAppender); + lttngAppender.close(); + } +} diff --git a/doc/examples/java-log4j/Makefile b/doc/examples/java-log4j/Makefile new file mode 100644 index 0000000..bf10fc5 --- /dev/null +++ b/doc/examples/java-log4j/Makefile @@ -0,0 +1,56 @@ +# +# Copyright (C) 2014 - Christian Babeux +# +# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED OR +# IMPLIED. ANY USE IS AT YOUR OWN RISK. +# +# Permission is hereby granted to use or copy this program for any purpose, +# provided the above notices are retained on all copies. Permission to modify +# the code and to distribute modified code is granted, provided the above +# notices are retained, and a notice that the code was modified is included +# with the above copyright notice. +# +# This Makefile is not using automake so that users may see how to build a +# program with tracepoint provider probes as stand-alone shared objects. +# +# This makefile is purposefully kept simple to support GNU and BSD make. +# + +# Required JAR files for Log4j +JARFILE_LOG4J=lttng-ust-agent-log4j.jar +JARFILE_COMMON=lttng-ust-agent-common.jar + +# If system classpath is empty, try to guess log4j location +ifeq "$(CLASSPATH)" "" + CLASSPATH="/usr/local/share/java/log4j.jar:/usr/share/java/log4j.jar" +endif + +# Check if the top level makefile overrides the Log4j Jar file's path. +ifeq "$(JAVA_CLASSPATH_OVERRIDE_LOG4J)" "" + CLASSPATH:=$(CLASSPATH):/usr/local/share/java/$(JARFILE_LOG4J):/usr/share/java/$(JARFILE_LOG4J) +else + CLASSPATH:=$(CLASSPATH):$(JAVA_CLASSPATH_OVERRIDE_LOG4J)/$(JARFILE_LOG4J) +endif + +# Check if the top level makefile overrides the Common Jar file's path. +ifeq "$(JAVA_CLASSPATH_OVERRIDE_COMMON)" "" + CLASSPATH:=$(CLASSPATH):/usr/local/share/java/$(JARFILE_COMMON):/usr/share/java/$(JARFILE_COMMON) +else + CLASSPATH:=$(CLASSPATH):$(JAVA_CLASSPATH_OVERRIDE_COMMON)/$(JARFILE_COMMON) +endif + +JFLAGS = -g +JC = javac -classpath "$(CLASSPATH):." +.SUFFIXES: .java .class +.java.class: + $(JC) $(JFLAGS) $*.java + +CLASSES = Hello.java + +all: classes + +classes: $(CLASSES:.java=.class) + +.PHONY: clean +clean: + $(RM) *.class diff --git a/doc/examples/java-log4j/run b/doc/examples/java-log4j/run new file mode 100755 index 0000000..997d0bd --- /dev/null +++ b/doc/examples/java-log4j/run @@ -0,0 +1,38 @@ +#!/bin/bash + +# +# The -cp path should be changed to the lttng ust agent jar file on your system +# or locally to the project. Same goes for the Java library path in order to +# find the JNI Log4j library. +# + +DIR=`dirname $0` +JARFILE_COMMON="lttng-ust-agent-common.jar" +JARFILE_LOG4J="lttng-ust-agent-log4j.jar" +JAVA_OPTIONS="" + +# If system classpath is empty, try to guess log4j location +if [ "x$CLASSPATH" = "x" ]; then + CLASSPATH="/usr/local/share/java/log4j.jar:/usr/share/java/log4j.jar" +fi + +cd $DIR + +if [ -f "$DIR/.intree" ]; then + CLASSPATH="$CLASSPATH:../../../liblttng-ust-java-agent/java/lttng-ust-agent-common/$JARFILE_COMMON" + CLASSPATH="$CLASSPATH:../../../liblttng-ust-java-agent/java/lttng-ust-agent-log4j/$JARFILE_LOG4J" + LIBPATH="../../../liblttng-ust-java-agent/jni/log4j/.libs" +else + CLASSPATH="$CLASSPATH:/usr/local/share/java/$JARFILE_COMMON:/usr/share/java/$JARFILE_COMMON" + CLASSPATH="$CLASSPATH:/usr/local/share/java/$JARFILE_LOG4J:/usr/share/java/$JARFILE_LOG4J" + # Use system defined java.library.path + #LIBPATH="/usr/local/lib:/usr/lib" +fi + +if [ "x$LIBPATH" != "x" ]; then + JAVA_OPTIONS="$JAVA_OPTIONS -Djava.library.path=$LIBPATH" +fi + +java -classpath "$CLASSPATH:." $JAVA_OPTIONS Hello + +cd - diff --git a/doc/examples/python/hello.py b/doc/examples/python/hello.py new file mode 100644 index 0000000..338df77 --- /dev/null +++ b/doc/examples/python/hello.py @@ -0,0 +1,24 @@ +import lttngust +import logging +import time +import math + + +def hello(): + logger = logging.getLogger('hello-logger') + + while True: + logger.debug('hello, debug message: %d', 23) + time.sleep(0.1) + logger.info('hello, info message: %s', 'world') + time.sleep(0.1) + logger.warn('hello, warn message') + time.sleep(0.1) + logger.error('hello, error message: %f', math.pi) + time.sleep(0.1) + logger.critical('hello, critical message') + time.sleep(0.5) + + +if __name__ == '__main__': + hello() diff --git a/doc/java-agent.txt b/doc/java-agent.txt new file mode 100644 index 0000000..ae65382 --- /dev/null +++ b/doc/java-agent.txt @@ -0,0 +1,120 @@ +====================== + Using the Java agent +====================== + +The agent can be built in three different configurations: + +1) Java agent with JUL support: + +$ ./configure --enable-java-agent-jul + +2) Java agent with Log4j support: + +$ export CLASSPATH=$CLASSPATH:/path/to/log4j.jar +$ ./configure --enable-java-agent-log4j + +3) Java agent with JUL + Log4j support + +$ export CLASSPATH=$CLASSPATH:/path/to/log4j.jar +$ ./configure --enable-java-agent-all + +To build the agent with log4j support, make sure that the log4j jar +is in your Java classpath. + +The configure script will automatically detect the appropriate Java +binaries to use in order to build the Java agent. + +Enabling the JUL support will build a "lttng-ust-agent-jul.jar" file. Enabling +the log4j support will build a "lttng-ust-agent-log4j.jar". Both of these jars +depend on a third "lttng-ust-agent-common.jar", which will always be built. + +All these archives will be installed in the arch-agnostic "$prefix/share/java" +path, e.g: "/usr/share/java". You need to make sure the .jar for the logging +API you want to use (either lttng-ust-agent-jul.jar or -log4j.jar) is on your +application's classpath. + +Both logging libraries also require an architecture-specific shared object +(e.g: "liblttng-ust-jul-jni.so"), which is installed by the build system when +doing "make install". Make sure that your Java application can find this shared +object, by using the "java.library.path" property if necessary. + +In order to use UST tracing in your Java application, you simply need to +instantiate a LttngLogHandler or a LttngLogAppender (for JUL or Log4j, +respectively), then attach it to a JUL or Log4j Logger class. + +Refer to the code examples in examples/java-jul/ and examples/java-log4j/. + +LTTng session daemon agents will be initialized as needed. If no session daemon +is available, the execution will continue and the agents will retry connecting +every 3 seconds. + + +============== + Object model +============== + +The object model of the Java agent implementation is as follows: + +--------- +Ownership +--------- +Log Handlers: LttngLogHandler, LttngLogAppender + n handlers/appenders, managed by the application. + Can be created programmatically, or via a configuration file, + Each one registers to a specific agent singleton (one per logging API) that is loaded on-demand + +Agent singletons: LttngJulAgent, LttngLog4jAgent + Keep track of all handlers/appenders registered to them. + Are disposed when last handler deregisters. + Each agent instantiates 2 TCP clients, one for the root session daemon, one for the user one. + One type of TCP client class for now. TCP client may become a singleton in the future. + +------- +Control +------- +Messages come from the session daemon through the socket connection. +Agent passes back-reference to itself to the TCP clients. +Clients use this reference to invoke callbacks, which modify the state of the agent (enabling/disabling events, etc.) + +--------- +Data path +--------- +Log messages are generated by the application and sent to the Logger objects, +which then send them to the Handlers. + +When a log event is received by a Handler (publish(LogRecord)), the handler +checks with the agent if it should log it or not, via +ILttngAgent#isEventEnabled() for example. + +Events that are logged call the native tracepoint through JNI, which generates +a UST event. There is one type of tracepoint per domain (Jul or Logj4). + +----------------------- +Filtering notifications +----------------------- +FilterChangeNotifier is the singleton notifier class. +Applications implement an IFilterChangeListener, and register it to the notifier. + +Whenever new event rules are enabled or disabled, the relevant agent informs the +notifier, which then sends notifications to all registered listeners by invoking +their callbacks. + +Upon registration, a new listener will receive notifications for all currently +active rules. + +The notifier keeps track of its own event rule refcounting, to handle the case +of multiple sessions or multiple agents enabling identical event rules. + +The FilterChangeNotifier does not have threads of its own. The listeners's +callbacks will be invoked by these threads: +* In the case of a notification being received while a listener is already + registered, the callback is executed by the TCP client's thread. This + effectively blocks the "lttng" command line until all callbacks are processed + (assuming no timeouts). +* In the case of a listener registering and receiving the currently-active + rules, the callbacks will be executed by the application's thread doing the + registerListener() call. + +The notifier is entirely synchronized. This ensure that if a rule is enabled +at the same time a listener is registered, that listener does not miss or +receive duplicate notifications. diff --git a/doc/man/Makefile.am b/doc/man/Makefile.am new file mode 100644 index 0000000..22aed15 --- /dev/null +++ b/doc/man/Makefile.am @@ -0,0 +1,116 @@ +# Man pages are only built if they are enabled at configure time. +# +# They should always be built before creating a distribution tarball. + +# Function which adds the source directory prefix and adds a given suffix: +manaddsuffix = $(addsuffix $(1),$(addprefix $(srcdir)/,$(2))) + +# List only the names without the .*.txt extension here: +MAN1_NAMES = \ + lttng-gen-tp +MAN3_NAMES = \ + lttng-ust \ + tracef \ + tracelog \ + lttng-ust-dl \ + lttng-ust-cyg-profile + +# troff man pages: +MAN3_TROFF = do_tracepoint.3 tracepoint.3 tracepoint_enabled.3 + +# AsciiDoc sources and outputs: +MAN1_TXT = $(call manaddsuffix,.1.txt,$(MAN1_NAMES)) +MAN3_TXT = $(call manaddsuffix,.3.txt,$(MAN3_NAMES)) +MAN_TXT = $(MAN1_TXT) $(MAN3_TXT) $(MAN8_TXT) +MAN_XML = $(patsubst $(srcdir)/%.txt,%.xml,$(MAN_TXT)) + +# Common AsciiDoc source files: +COMMON_TXT = \ + $(srcdir)/common-footer.txt \ + $(srcdir)/common-authors.txt \ + $(srcdir)/common-copyrights.txt \ + $(srcdir)/log-levels.txt \ + $(srcdir)/tracef-tracelog-limitations.txt + +# AsciiDoc configuration and XSL files: +ASCIIDOC_CONF = $(srcdir)/asciidoc.conf +XSL_FILES = \ + manpage.xsl \ + manpage-callouts.xsl \ + manpage-bold-literal.xsl \ + manpage-links.xsl \ + manpage-headings.xsl +XSL_SRC_FILES = $(addprefix $(srcdir)/xsl/,$(XSL_FILES)) + +# Common dependencies: +COMMON_DEPS = $(ASCIIDOC_CONF) $(COMMON_TXT) + +# Man pages destinations: +MAN1 = $(addsuffix .1,$(MAN1_NAMES)) +MAN3 = $(addsuffix .3,$(MAN3_NAMES)) +MAN = $(MAN1) $(MAN3) + +if MAN_PAGES_OPT +# At this point, we know the user asked to build the man pages. +if HAVE_ASCIIDOC_XMLTO +# Tools to execute: +ADOC = $(ASCIIDOC) -f $(ASCIIDOC_CONF) -d manpage \ + -a lttng_version="$(PACKAGE_VERSION)" \ + -a lttng_ust_register_timeout="@LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS@" +ADOC_DOCBOOK = $(ADOC) -b docbook +XTO = $(XMLTO) -m $(firstword $(XSL_SRC_FILES)) man + +# Recipes: +%.1.xml: $(srcdir)/%.1.txt $(COMMON_DEPS) + $(ADOC_DOCBOOK) -o $@ $< + +%.1: %.1.xml $(XSL_SRC_FILES) + $(XTO) $< + +%.3.xml: $(srcdir)/%.3.txt $(COMMON_DEPS) + $(ADOC_DOCBOOK) -o $@ $< + +%.3: %.3.xml $(XSL_SRC_FILES) + $(XTO) $< + +# Only clean the generated files if we have the tools to generate them again. +CLEANFILES = $(MAN_XML) $(MAN) +else # HAVE_ASCIIDOC_XMLTO +# Create man page targets used to stop the build if we want to +# build the man pages, but we don't have the necessary tools to do so. +ERR_MSG = "Error: Cannot build target because asciidoc or xmlto tool is missing." +ERR_MSG += "Make sure both tools are installed and run the configure script again." + +%.1: $(srcdir)/%.1.txt $(COMMON_DEPS) + @echo $(ERR_MSG) + @false + +%.3: $(srcdir)/%.3.txt $(COMMON_DEPS) + @echo $(ERR_MSG) + @false +endif # HAVE_ASCIIDOC_XMLTO +endif # MAN_PAGES_OPT + +# Start with empty distributed/installed man pages: +dist_man1_MANS = +dist_man3_MANS = +EXTRA_DIST = + +if MAN_PAGES_OPT +# Building man pages: we can install and distribute them. +dist_man1_MANS += $(MAN1) +dist_man3_MANS += $(MAN3) $(MAN3_TROFF) +else # MAN_PAGES_OPT +# Those are not known by automake yet because dist_man3_MANS is empty +# at this point, so make sure they are distributed. +EXTRA_DIST += $(MAN3_TROFF) +endif # MAN_PAGES_OPT + +if !MAN_PAGES_OPT +dist-hook: + @echo "Error: Please enable the man pages before creating a distribution tarball." + @false +endif # !MAN_PAGES_OPT + +# Always distribute the source files. +EXTRA_DIST += $(MAN_TXT) $(COMMON_TXT) $(XSL_SRC_FILES) $(ASCIIDOC_CONF) diff --git a/doc/man/Makefile.in b/doc/man/Makefile.in new file mode 100644 index 0000000..fd4837e --- /dev/null +++ b/doc/man/Makefile.in @@ -0,0 +1,722 @@ +# Makefile.in generated by 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+install-exec-am: + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + +install-man: install-man1 install-man3 + +install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-generic mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-man + +uninstall-man: uninstall-man1 uninstall-man3 + +.MAKE: install-am install-strip + +.PHONY: all all-am check check-am clean clean-generic clean-libtool \ + cscopelist-am ctags-am dist-hook distclean distclean-generic \ + distclean-libtool distdir dvi dvi-am html html-am info info-am \ + install install-am install-data install-data-am install-dvi \ + install-dvi-am install-exec install-exec-am install-html \ + install-html-am install-info install-info-am install-man \ + install-man1 install-man3 install-pdf install-pdf-am \ + install-ps install-ps-am install-strip installcheck \ + installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am tags-am uninstall \ + uninstall-am uninstall-man uninstall-man1 uninstall-man3 + + +# Recipes: +@HAVE_ASCIIDOC_XMLTO_TRUE@@MAN_PAGES_OPT_TRUE@%.1.xml: $(srcdir)/%.1.txt $(COMMON_DEPS) +@HAVE_ASCIIDOC_XMLTO_TRUE@@MAN_PAGES_OPT_TRUE@ $(ADOC_DOCBOOK) -o $@ $< + +@HAVE_ASCIIDOC_XMLTO_TRUE@@MAN_PAGES_OPT_TRUE@%.1: %.1.xml $(XSL_SRC_FILES) +@HAVE_ASCIIDOC_XMLTO_TRUE@@MAN_PAGES_OPT_TRUE@ $(XTO) $< + +@HAVE_ASCIIDOC_XMLTO_TRUE@@MAN_PAGES_OPT_TRUE@%.3.xml: $(srcdir)/%.3.txt $(COMMON_DEPS) +@HAVE_ASCIIDOC_XMLTO_TRUE@@MAN_PAGES_OPT_TRUE@ $(ADOC_DOCBOOK) -o $@ $< + +@HAVE_ASCIIDOC_XMLTO_TRUE@@MAN_PAGES_OPT_TRUE@%.3: %.3.xml $(XSL_SRC_FILES) +@HAVE_ASCIIDOC_XMLTO_TRUE@@MAN_PAGES_OPT_TRUE@ $(XTO) $< + +@HAVE_ASCIIDOC_XMLTO_FALSE@@MAN_PAGES_OPT_TRUE@%.1: $(srcdir)/%.1.txt $(COMMON_DEPS) +@HAVE_ASCIIDOC_XMLTO_FALSE@@MAN_PAGES_OPT_TRUE@ @echo $(ERR_MSG) +@HAVE_ASCIIDOC_XMLTO_FALSE@@MAN_PAGES_OPT_TRUE@ @false + +@HAVE_ASCIIDOC_XMLTO_FALSE@@MAN_PAGES_OPT_TRUE@%.3: $(srcdir)/%.3.txt $(COMMON_DEPS) +@HAVE_ASCIIDOC_XMLTO_FALSE@@MAN_PAGES_OPT_TRUE@ @echo $(ERR_MSG) +@HAVE_ASCIIDOC_XMLTO_FALSE@@MAN_PAGES_OPT_TRUE@ @false + +@MAN_PAGES_OPT_FALSE@dist-hook: +@MAN_PAGES_OPT_FALSE@ @echo "Error: Please enable the man pages before creating a distribution tarball." +@MAN_PAGES_OPT_FALSE@ @false + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/doc/man/asciidoc.conf b/doc/man/asciidoc.conf new file mode 100644 index 0000000..e3c8016 --- /dev/null +++ b/doc/man/asciidoc.conf @@ -0,0 +1,79 @@ +[macros] + +# man macro +# +# Inspired by linkgit macro: +# +# +# Usage: man:command(manpage-section) +(?su)[\\]?(?Pman):(?P\S*?)\((?P.*?)\)= + +# no link option macro +# +# Usage: nloption:--option-name +(?su)[\\]?(?Pnloption):(?P--?[a-zA-Z0-9-]*)= + +# option macro +# +# Usage: option:--option-name +(?su)[\\]?(?Poption):(?P--?[a-zA-Z0-9-]*)= + +# not macro +# +# Usage: :not: +:not:=not + +# man macro expansions +ifdef::doctype-manpage[] +ifdef::backend-docbook[] +[man-inlinemacro] +{0%{target}} +{0#} +{0#{target}{0}} +{0#} +endif::backend-docbook[] +endif::doctype-manpage[] + +# option macro expansions +ifdef::doctype-manpage[] +ifdef::backend-docbook[] +[option-inlinemacro] +{opt} +endif::backend-docbook[] +endif::doctype-manpage[] + +# no link option macro expansions +ifdef::doctype-manpage[] +ifdef::backend-docbook[] +[nloption-inlinemacro] +{opt} +endif::backend-docbook[] +endif::doctype-manpage[] + +# not macro expansions +ifdef::doctype-manpage[] +ifdef::backend-docbook[] +[not-inlinemacro] +NOT +endif::backend-docbook[] +endif::doctype-manpage[] + +# configure XML man page header +ifdef::doctype-manpage[] +ifdef::backend-docbook[] +[header] +template::[header-declarations] + + +{mantitle} +{manvolnum} +LTTng +{lttng_version} +LTTng Manual + + + {manname} + {manpurpose} + +endif::backend-docbook[] +endif::doctype-manpage[] diff --git a/doc/man/common-authors.txt b/doc/man/common-authors.txt new file mode 100644 index 0000000..fe1ccb0 --- /dev/null +++ b/doc/man/common-authors.txt @@ -0,0 +1,5 @@ +AUTHORS +------- +LTTng-UST was originally written by Mathieu Desnoyers, with additional +contributions from various other people. It is currently maintained by +mailto:mathieu.desnoyers@efficios.com[Mathieu Desnoyers]. diff --git a/doc/man/common-copyrights.txt b/doc/man/common-copyrights.txt new file mode 100644 index 0000000..734639a --- /dev/null +++ b/doc/man/common-copyrights.txt @@ -0,0 +1,19 @@ +COPYRIGHTS +---------- +This {object-type} is part of the LTTng-UST project. + +This {object-type} is distributed under the +http://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html[GNU Lesser +General Public License, version 2.1]. See the +https://github.com/lttng/lttng-ust/blob/master/COPYING[`COPYING`] file +for more details. + + +THANKS +------ +Thanks to Ericsson for funding this work, providing real-life use cases, +and testing. + +Special thanks to Michel Dagenais and the +http://www.dorsal.polymtl.ca/[DORSAL laboratory] at École Polytechnique +de Montréal for the LTTng journey. diff --git a/doc/man/common-footer.txt b/doc/man/common-footer.txt new file mode 100644 index 0000000..2d78c58 --- /dev/null +++ b/doc/man/common-footer.txt @@ -0,0 +1,16 @@ +BUGS +---- +If you encounter any issue or usability problem, please report it on the +https://bugs.lttng.org/projects/lttng-ust[LTTng bug tracker]. + + +RESOURCES +--------- +* http://lttng.org[LTTng project website] +* http://lttng.org/docs[LTTng documentation] +* http://git.lttng.org[Git repositories] +* http://github.com/lttng[GitHub organization] +* http://ci.lttng.org/[Continuous integration] +* http://lists.lttng.org[Mailing list] for support and + development: `lttng-dev@lists.lttng.org` +* irc://irc.oftc.net/lttng[IRC channel]: `#lttng` on `irc.oftc.net` diff --git a/doc/man/do_tracepoint.3 b/doc/man/do_tracepoint.3 new file mode 100644 index 0000000..afb50be --- /dev/null +++ b/doc/man/do_tracepoint.3 @@ -0,0 +1 @@ +.so man3/lttng-ust.3 diff --git a/doc/man/log-levels.txt b/doc/man/log-levels.txt new file mode 100644 index 0000000..b5afe92 --- /dev/null +++ b/doc/man/log-levels.txt @@ -0,0 +1,44 @@ +`TRACE_EMERG`:: + System is unusable. + +`TRACE_ALERT`:: + Action must be taken immediately. + +`TRACE_CRIT`:: + Critical conditions. + +`TRACE_ERR`:: + Error conditions. + +`TRACE_WARNING`:: + Warning conditions. + +`TRACE_NOTICE`:: + Normal, but significant, condition. + +`TRACE_INFO`:: + Informational message. + +`TRACE_DEBUG_SYSTEM`:: + Debug information with system-level scope (set of programs). + +`TRACE_DEBUG_PROGRAM`:: + Debug information with program-level scope (set of processes). + +`TRACE_DEBUG_PROCESS`:: + Debug information with process-level scope (set of modules). + +`TRACE_DEBUG_MODULE`:: + Debug information with module (executable/library) scope (set of units). + +`TRACE_DEBUG_UNIT`:: + Debug information with compilation unit scope (set of functions). + +`TRACE_DEBUG_FUNCTION`:: + Debug information with function-level scope. + +`TRACE_DEBUG_LINE`:: + Debug information with line-level scope (default log level). + +`TRACE_DEBUG`:: + Debug-level message. diff --git a/doc/man/lttng-gen-tp.1 b/doc/man/lttng-gen-tp.1 new file mode 100644 index 0000000..4fe2456 --- /dev/null +++ b/doc/man/lttng-gen-tp.1 @@ -0,0 +1,243 @@ +'\" t +.\" Title: lttng-gen-tp +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.78.1 +.\" Date: 06/05/2016 +.\" Manual: LTTng Manual +.\" Source: LTTng 2.9.0-pre +.\" Language: English +.\" +.TH "LTTNG\-GEN\-TP" "1" "06/05/2016" "LTTng 2\&.9\&.0\-pre" "LTTng Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +lttng-gen-tp \- Generate LTTng\-UST tracepoint provider code +.SH "SYNOPSIS" +.sp +.nf +\fBlttng\-gen\-tp\fR [\fB--verbose\fR] [\fB--output\fR=\fIFILE\fR\&.c] + [\fB--output\fR=\fIFILE\fR\&.h] [\fB--output\fR=\fIFILE\fR\&.o] \fITEMPLATE\fR +.fi +.SH "DESCRIPTION" +.sp +The \fBlttng-gen-tp\fR tool simplifies the generation of LTTng\-UST tracepoint provider files\&. It takes a simple template file, \fITEMPLATE\fR, and generates the necessary C code to use the defined tracepoints in your application\&. See the \fITemplate file format\fR section below for more information about the format of \fITEMPLATE\fR\&. +.sp +Currently, \fBlttng-gen-tp\fR can generate the \fB.h\fR, \fB.c\fR, and \fB.o\fR files associated with your tracepoint provider\&. The generated \fB.h\fR file can be included directly in your application\&. You can let \fBlttng-gen-tp\fR generate the \fB.o\fR file or compile the \fB.c\fR file yourself\&. See \fBlttng-ust\fR(3) for more information about compiling LTTng\-UST tracepoint providers\&. +.sp +By default, \fBlttng-gen-tp\fR generates the \fB.h\fR, \fB.c\fR, and \fB.o\fR files, their basename being the basename of \fITEMPLATE\fR\&. You can generate one or more specific file types with the \fB--output\fR option, repeated if needed\&. +.SS "Template file format" +.sp +The template file, which usually has the \fB.tp\fR extension, contains a list of \fBTRACEPOINT_EVENT()\fR definitions and other optional definition entries, like \fBTRACEPOINT_LOGLEVEL()\fR\&. See \fBlttng-ust\fR(3) for the complete list of available definitions\&. +.sp +The \fBTRACEPOINT_EVENT()\fR definitions are written as you would write them in an LTTng\-UST template provider header file\&. C comments are supported (\fB/* */\fR and \fB//\fR), as well as lines starting with \fB#\fR\&. +.if n \{\ +.sp +.\} +.RS 4 +.it 1 an-trap +.nr an-no-space-flag 1 +.nr an-break-flag 1 +.br +.ps +1 +\fBNote\fR +.ps -1 +.br +.sp +The provider name (the first argument of \fBTRACEPOINT_EVENT()\fR) must be the same in all the \fBTRACEPOINT_EVENT()\fR macros of \fITEMPLATE\fR\&. +.sp .5v +.RE +.sp +Here\(cqs an example: +.sp +.if n \{\ +.RS 4 +.\} +.nf +TRACEPOINT_EVENT( + // Tracepoint provider name + my_provider, + + // Tracepoint/event name + my_event, + + // Tracepoint arguments (input) + TP_ARGS(char *, text), + + // Tracepoint/event fields (output) + TP_FIELDS( + ctf_string(message, text) + ) +) +.fi +.if n \{\ +.RE +.\} +.SH "OPTIONS" +.PP +\fB-o\fR, \fB--output\fR=\fIFILE\fR +.RS 4 +Do not generate default files: generate +\fIFILE\fR\&. +.sp +The extension of +\fIFILE\fR +determines what is generated, amongst +\fB.h\fR, +\fB.c\fR, and +\fB.o\fR\&. This option can be used more than one time to generate different file types\&. +.RE +.PP +\fB-v\fR, \fB--verbose\fR +.RS 4 +Increase verbosity\&. +.RE +.PP +\fB-h\fR, \fB--help\fR +.RS 4 +Show command help\&. +.RE +.SH "ENVIRONMENT VARIABLES" +.PP +\fBCC\fR +.RS 4 +C compiler to use\&. Default: +\fBcc\fR, then +\fBgcc\fR +if +\fBcc\fR +is not found\&. This option is only relevant when generating the +\fB.o\fR +file\&. +.RE +.PP +\fBCFLAGS\fR +.RS 4 +Flags and options passed directly to the compiler (\fB$CC\fR)\&. This option is only relevant when generating the +\fB.o\fR +file\&. +.RE +.SH "EXIT STATUS" +.PP +\fB0\fR +.RS 4 +Success +.RE +.PP +\fBNon\-zero\fR +.RS 4 +Error +.RE +.SH "BUGS" +.sp +If you encounter any issue or usability problem, please report it on the LTTng bug tracker \&. +.SH "RESOURCES" +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +LTTng project website +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +LTTng documentation +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Git repositories +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +GitHub organization +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Continuous integration +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Mailing list +for support and development: +\fBlttng-dev@lists.lttng.org\fR +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +IRC channel : +\fB#lttng\fR +on +\fBirc.oftc.net\fR +.RE +.SH "COPYRIGHTS" +.sp +\fBlttng-gen-tp\fR is part of the LTTng\-UST project\&. +.sp +\fBlttng-gen-tp\fR is distributed under the GNU General Public License, version 2 \&. See the \fBCOPYING\fR file for more details\&. +.SH "AUTHOR" +.sp +\fBlttng-gen-tp\fR was originally written by Yannick Brosseau \&. It is currently maintained by Mathieu Desnoyers \&. +.SH "SEE ALSO" +.sp +\fBlttng-ust\fR(3) diff --git a/doc/man/lttng-gen-tp.1.txt b/doc/man/lttng-gen-tp.1.txt new file mode 100644 index 0000000..4946792 --- /dev/null +++ b/doc/man/lttng-gen-tp.1.txt @@ -0,0 +1,134 @@ +lttng-gen-tp(1) +=============== +:object-type: program + + +NAME +---- +lttng-gen-tp - Generate LTTng-UST tracepoint provider code + + +SYNOPSIS +-------- +[verse] +*lttng-gen-tp* [option:--verbose] [option:--output='FILE'.c] + [option:--output='FILE'.h] [option:--output='FILE'.o] 'TEMPLATE' + + +DESCRIPTION +----------- +The `lttng-gen-tp` tool simplifies the generation of LTTng-UST +tracepoint provider files. It takes a simple template file, 'TEMPLATE', +and generates the necessary C code to use the defined tracepoints in +your application. See the <> +section below for more information about the format of 'TEMPLATE'. + +Currently, `lttng-gen-tp` can generate the `.h`, `.c`, and `.o` files +associated with your tracepoint provider. The generated `.h` file can be +included directly in your application. You can let `lttng-gen-tp` +generate the `.o` file or compile the `.c` file yourself. See +man:lttng-ust(3) for more information about compiling LTTng-UST +tracepoint providers. + +By default, `lttng-gen-tp` generates the `.h`, `.c`, and `.o` files, +their basename being the basename of 'TEMPLATE'. You can generate one or +more specific file types with the option:--output option, repeated if +needed. + + +[[template-file-format]] +Template file format +~~~~~~~~~~~~~~~~~~~~ +The template file, which usually has the `.tp` extension, contains a +list of `TRACEPOINT_EVENT()` definitions and other optional definition +entries, like `TRACEPOINT_LOGLEVEL()`. See man:lttng-ust(3) for +the complete list of available definitions. + +The `TRACEPOINT_EVENT()` definitions are written as you would write them +in an LTTng-UST template provider header file. C comments are supported +(`/* */` and `//`), as well as lines starting with `#`. + +NOTE: The provider name (the first argument of `TRACEPOINT_EVENT()`) +must be the same in all the `TRACEPOINT_EVENT()` macros of 'TEMPLATE'. + +Here's an example: + +--------------------------------------- +TRACEPOINT_EVENT( + // Tracepoint provider name + my_provider, + + // Tracepoint/event name + my_event, + + // Tracepoint arguments (input) + TP_ARGS(char *, text), + + // Tracepoint/event fields (output) + TP_FIELDS( + ctf_string(message, text) + ) +) +--------------------------------------- + + +OPTIONS +------- +option:-o, option:--output='FILE':: + Do not generate default files: generate 'FILE'. ++ +The extension of 'FILE' determines what is generated, amongst `.h`, +`.c`, and `.o`. This option can be used more than one time to generate +different file types. + +option:-v, option:--verbose:: + Increase verbosity. + +option:-h, option:--help:: + Show command help. + + +ENVIRONMENT VARIABLES +--------------------- +`CC`:: + C compiler to use. Default: `cc`, then `gcc` if `cc` is not found. + This option is only relevant when generating the `.o` file. + +`CFLAGS`:: + Flags and options passed directly to the compiler (`$CC`). + This option is only relevant when generating the `.o` file. + + +EXIT STATUS +----------- +*0*:: + Success + +*Non-zero*:: + Error + + +include::common-footer.txt[] + + +COPYRIGHTS +---------- +`lttng-gen-tp` is part of the LTTng-UST project. + +`lttng-gen-tp` is distributed under the +http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html[GNU General +Public License, version 2]. See the +https://github.com/lttng/lttng-ust/blob/master/COPYING[`COPYING`] file +for more details. + + +AUTHOR +------ +`lttng-gen-tp` was originally written by +mailto:yannick.brosseau@gmail.com[Yannick Brosseau]. It is currently +maintained by mailto:mathieu.desnoyers@efficios.com[Mathieu Desnoyers]. + + +SEE ALSO +-------- +man:lttng-ust(3) diff --git a/doc/man/lttng-ust-cyg-profile.3 b/doc/man/lttng-ust-cyg-profile.3 new file mode 100644 index 0000000..4705e3a --- /dev/null +++ b/doc/man/lttng-ust-cyg-profile.3 @@ -0,0 +1,315 @@ +'\" t +.\" Title: lttng-ust-dl +.\" Author: [see the "AUTHORS" section] +.\" Generator: DocBook XSL Stylesheets v1.78.1 +.\" Date: 06/05/2016 +.\" Manual: LTTng Manual +.\" Source: LTTng 2.9.0-pre +.\" Language: English +.\" +.TH "LTTNG\-UST\-DL" "3" "06/05/2016" "LTTng 2\&.9\&.0\-pre" "LTTng Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +lttng-ust-cyg-profile \- Function tracing (LTTng\-UST helper) +.SH "SYNOPSIS" +.sp +Compile your application with compiler option \fB-finstrument-functions\fR\&. +.sp +Launch your application by preloading \fBliblttng-ust-cyg-profile-fast.so\fR for fast function tracing: +.sp +.nf +\fBLD_PRELOAD=liblttng\-ust\-cyg\-profile\-fast\&.so\fR my\-app +.fi +.sp +Launch your application by preloading \fBliblttng-ust-cyg-profile.so\fR for slower, more verbose function tracing: +.sp +.nf +\fBLD_PRELOAD=liblttng\-ust\-cyg\-profile\&.so\fR my\-app +.fi +.SH "DESCRIPTION" +.sp +When the \fBliblttng-ust-cyg-profile.so\fR or the \fBliblttng-ust-cyg-profile-fast.so\fR library is preloaded before a given application starts, all function entry and return points are traced by LTTng\-UST (see \fBlttng-ust\fR(3)), provided said application was compiled with the \fB-finstrument-functions\fR compiler option\&. +.sp +See \fBlttng\fR(1) to learn more about how to control LTTng tracing sessions\&. +.sp +Function tracing with LTTng\-UST comes in two flavors, each one providing a different trade\-off between performance and robustness: +.PP +\fBliblttng-ust-cyg-profile-fast.so\fR +.RS 4 +This is a lightweight variant that should only be used where it can be +\fIguaranteed\fR +that the complete event stream is recorded without any missing events\&. Any kind of duplicate information is left out\&. +.sp +At each function entry, the address of the called function is recorded in an LTTng\-UST event\&. Function exits are recorded as another, empty LTTng\-UST event\&. +.sp +See the +\fIFast function tracing\fR +section below for the complete list of emitted events and their fields\&. +.RE +.PP +\fBliblttng-ust-cyg-profile.so\fR +.RS 4 +This is a more robust variant which also works for use cases where events might get discarded, or not recorded from application startup\&. In these cases, the trace analyzer needs extra information to be able to reconstruct the program flow\&. +.sp +At each function entry +\fIand\fR +exit, the address of the called function +\fIand\fR +the call site address are recorded in an LTTng\-UST event\&. +.sp +See the +\fIVerbose function tracing\fR +section below for the complete list of emitted events and their fields\&. +.RE +.SS "Usage" +.sp +To use LTTng\-UST function tracing, you need to make sure the sources of your application are compiled with the \fB-finstrument-functions\fR compiler option\&. +.sp +It might be necessary to limit the number of source files where this option is used to prevent excessive amount of trace data to be generated at run time\&. Usually, there are additional compiler flags that allow you to specify a more fine\-grained selection of function instrumentation\&. +.sp +For each instrumented function, the executable will contain calls to profiling function hooks (after function entry, named \fB__cyg_profile_func_enter()\fR, and just before function exit, named \fB__cyg_profile_func_exit()\fR)\&. +.sp +By preloading (using the \fBLD_PRELOAD\fR environment variable) one of the provided shared libraries, these profiling hooks get defined to emit LTTng events (as described below)\&. +.if n \{\ +.sp +.\} +.RS 4 +.it 1 an-trap +.nr an-no-space-flag 1 +.nr an-break-flag 1 +.br +.ps +1 +\fBNote\fR +.ps -1 +.br +.sp +Using this feature can result in a \fBmassive amount\fR of trace data to be generated by the instrumented application\&. Application run time is also considerably affected\&. Be careful on systems with limited resources\&. +.sp .5v +.RE +.SS "Fast function tracing" +.sp +The following LTTng\-UST events are available when using \fBliblttng-ust-cyg-profile-fast.so\fR\&. Their log level is set to \fBTRACE_DEBUG_FUNCTION\fR\&. +.PP +\fBlttng_ust_cyg_profile_fast:func_entry\fR +.RS 4 +Emitted when an application function is entered, or more specifically, when +\fB__cyg_profile_func_enter()\fR +is called\&. +.sp +Fields: +.TS +allbox tab(:); +ltB ltB. +T{ +Field name +T}:T{ +Description +T} +.T& +lt lt. +T{ +\fBfunc_addr\fR +T}:T{ +Function address +T} +.TE +.sp 1 +.RE +.PP +\fBlttng_ust_cyg_profile_fast:func_exit\fR +.RS 4 +Emitted when an application function returns, or more specifically, when +\fB__cyg_profile_func_exit()\fR +is called\&. +.sp +This event has no fields\&. Since the +\fBliblttng-ust-cyg-profile-fast.so\fR +library should only be used when it can be guaranteed that the complete event stream is recorded without any missing events, a per\-thread, stack\-based approach can be used on the trace analyzer side to match function entry and return events\&. +.RE +.SS "Verbose function tracing" +.sp +The following LTTng\-UST events are available when using \fBliblttng-ust-cyg-profile.so\fR\&. Their log level is set to \fBTRACE_DEBUG_FUNCTION\fR\&. +.PP +\fBlttng_ust_cyg_profile:func_entry\fR +.RS 4 +Emitted when an application function is entered, or more specifically, when +\fB__cyg_profile_func_enter()\fR +is called\&. +.sp +Fields: +.TS +allbox tab(:); +ltB ltB. +T{ +Field name +T}:T{ +Description +T} +.T& +lt lt +lt lt. +T{ +\fBfunc_addr\fR +T}:T{ +Function address +T} +T{ +\fBcall_site\fR +T}:T{ +Address from which this function was called +T} +.TE +.sp 1 +.RE +.PP +\fBlttng_ust_cyg_profile:func_exit\fR +.RS 4 +Emitted when an application function returns, or more specifically, when +\fB__cyg_profile_func_exit()\fR +is called\&. +.sp +Fields: +.TS +allbox tab(:); +ltB ltB. +T{ +Field name +T}:T{ +Description +T} +.T& +lt lt +lt lt. +T{ +\fBfunc_addr\fR +T}:T{ +Function address +T} +T{ +\fBcall_site\fR +T}:T{ +Address from which this function was called +T} +.TE +.sp 1 +.RE +.SH "BUGS" +.sp +If you encounter any issue or usability problem, please report it on the LTTng bug tracker \&. +.SH "RESOURCES" +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +LTTng project website +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +LTTng documentation +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Git repositories +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +GitHub organization +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Continuous integration +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Mailing list +for support and development: +\fBlttng-dev@lists.lttng.org\fR +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +IRC channel : +\fB#lttng\fR +on +\fBirc.oftc.net\fR +.RE +.SH "COPYRIGHTS" +.sp +This library is part of the LTTng\-UST project\&. +.sp +This library is distributed under the GNU Lesser General Public License, version 2\&.1 \&. See the \fBCOPYING\fR file for more details\&. +.SH "THANKS" +.sp +Thanks to Ericsson for funding this work, providing real\-life use cases, and testing\&. +.sp +Special thanks to Michel Dagenais and the DORSAL laboratory at \('Ecole Polytechnique de Montr\('eal for the LTTng journey\&. +.SH "AUTHORS" +.sp +LTTng\-UST was originally written by Mathieu Desnoyers, with additional contributions from various other people\&. It is currently maintained by Mathieu Desnoyers \&. +.SH "SEE ALSO" +.sp +\fBlttng-ust\fR(3), \fBlttng\fR(1), \fBgcc\fR(1), \fBld.so\fR(8) diff --git a/doc/man/lttng-ust-cyg-profile.3.txt b/doc/man/lttng-ust-cyg-profile.3.txt new file mode 100644 index 0000000..267b9a4 --- /dev/null +++ b/doc/man/lttng-ust-cyg-profile.3.txt @@ -0,0 +1,174 @@ +lttng-ust-dl(3) +=============== +:object-type: library + + +NAME +---- +lttng-ust-cyg-profile - Function tracing (LTTng-UST helper) + + +SYNOPSIS +-------- +Compile your application with compiler option +nloption:-finstrument-functions. + +Launch your application by preloading +`liblttng-ust-cyg-profile-fast.so` for fast function tracing: + +[role="term"] +[verse] +*LD_PRELOAD=liblttng-ust-cyg-profile-fast.so* my-app + +Launch your application by preloading +`liblttng-ust-cyg-profile.so` for slower, more verbose function +tracing: + +[role="term"] +[verse] +*LD_PRELOAD=liblttng-ust-cyg-profile.so* my-app + + +DESCRIPTION +----------- +When the `liblttng-ust-cyg-profile.so` or the +`liblttng-ust-cyg-profile-fast.so` library is preloaded before a given +application starts, all function entry and return points are traced by +LTTng-UST (see man:lttng-ust(3)), provided said application was compiled +with the nloption:-finstrument-functions compiler option. + +See man:lttng(1) to learn more about how to control LTTng tracing +sessions. + +Function tracing with LTTng-UST comes in two flavors, each one +providing a different trade-off between performance and robustness: + +`liblttng-ust-cyg-profile-fast.so`:: + This is a lightweight variant that should only be used where it can + be _guaranteed_ that the complete event stream is recorded without + any missing events. Any kind of duplicate information is left out. ++ +At each function entry, the address of the called function is +recorded in an LTTng-UST event. Function exits are recorded as +another, empty LTTng-UST event. ++ +See the <> section below for the +complete list of emitted events and their fields. + +`liblttng-ust-cyg-profile.so`:: + This is a more robust variant which also works for use cases where + events might get discarded, or not recorded from application + startup. In these cases, the trace analyzer needs extra + information to be able to reconstruct the program flow. ++ +At each function entry _and_ exit, the address of the called +function _and_ the call site address are recorded in an LTTng-UST +event. ++ +See the <> section below for +the complete list of emitted events and their fields. + + +Usage +~~~~~ +To use LTTng-UST function tracing, you need to make sure the sources of +your application are compiled with the nloption:-finstrument-functions +compiler option. + +It might be necessary to limit the number of source files where this +option is used to prevent excessive amount of trace data to be generated +at run time. Usually, there are additional compiler flags that allow +you to specify a more fine-grained selection of function +instrumentation. + +For each instrumented function, the executable will contain calls to +profiling function hooks (after function entry, named `__cyg_profile_func_enter()`, +and just before function exit, named `__cyg_profile_func_exit()`). + +By preloading (using the `LD_PRELOAD` environment variable) one of the +provided shared libraries, these profiling hooks get defined to emit +LTTng events (as described below). + +NOTE: Using this feature can result in a *massive amount* of trace data +to be generated by the instrumented application. Application run time is +also considerably affected. Be careful on systems with limited +resources. + + +[[ftrace-fast]] +Fast function tracing +~~~~~~~~~~~~~~~~~~~~~ +The following LTTng-UST events are available when using +`liblttng-ust-cyg-profile-fast.so`. Their log level is set to +`TRACE_DEBUG_FUNCTION`. + +`lttng_ust_cyg_profile_fast:func_entry`:: + Emitted when an application function is entered, or more + specifically, when `__cyg_profile_func_enter()` is called. ++ +Fields: ++ +[options="header"] +|========================================================================= +| Field name | Description +| `func_addr` | Function address +|========================================================================= + +`lttng_ust_cyg_profile_fast:func_exit`:: + Emitted when an application function returns, or more + specifically, when `__cyg_profile_func_exit()` is called. ++ +This event has no fields. Since the `liblttng-ust-cyg-profile-fast.so` +library should only be used when it can be guaranteed that the complete +event stream is recorded without any missing events, a per-thread, +stack-based approach can be used on the trace analyzer side to match +function entry and return events. + + +[[ftrace-verbose]] +Verbose function tracing +~~~~~~~~~~~~~~~~~~~~~~~~ +The following LTTng-UST events are available when using +`liblttng-ust-cyg-profile.so`. Their log level is set to +`TRACE_DEBUG_FUNCTION`. + +`lttng_ust_cyg_profile:func_entry`:: + Emitted when an application function is entered, or more + specifically, when `__cyg_profile_func_enter()` is called. ++ +Fields: ++ +[options="header"] +|========================================================================= +| Field name | Description +| `func_addr` | Function address +| `call_site` | Address from which this function was called +|========================================================================= + +`lttng_ust_cyg_profile:func_exit`:: + Emitted when an application function returns, or more + specifically, when `__cyg_profile_func_exit()` is called. ++ +Fields: ++ +[options="header"] +|========================================================================= +| Field name | Description +| `func_addr` | Function address +| `call_site` | Address from which this function was called +|========================================================================= + + +include::common-footer.txt[] + +include::common-copyrights.txt[] + +include::common-authors.txt[] + + +SEE ALSO +-------- +man:lttng-ust(3), +man:lttng(1), +man:gcc(1), +man:ld.so(8) diff --git a/doc/man/lttng-ust-dl.3 b/doc/man/lttng-ust-dl.3 new file mode 100644 index 0000000..2484c7a --- /dev/null +++ b/doc/man/lttng-ust-dl.3 @@ -0,0 +1,283 @@ +'\" t +.\" Title: lttng-ust-dl +.\" Author: [see the "AUTHORS" section] +.\" Generator: DocBook XSL Stylesheets v1.78.1 +.\" Date: 06/05/2016 +.\" Manual: LTTng Manual +.\" Source: LTTng 2.9.0-pre +.\" Language: English +.\" +.TH "LTTNG\-UST\-DL" "3" "06/05/2016" "LTTng 2\&.9\&.0\-pre" "LTTng Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +lttng-ust-dl \- Dynamic linker tracing (LTTng\-UST helper) +.SH "SYNOPSIS" +.sp +Launch your application by preloading \fBliblttng-ust-dl.so\fR: +.sp +.nf +\fBLD_PRELOAD=liblttng\-ust\-dl\&.so\fR my\-app +.fi +.SH "DESCRIPTION" +.sp +When the \fBliblttng-ust-dl.so\fR library is preloaded before a given application starts, it causes all calls to \fBdlopen\fR(3) and \fBdlclose\fR(3) in said application to be traced with LTTng\-UST (see \fBlttng-ust\fR(3))\&. +.sp +See \fBlttng\fR(1) to learn more about how to control LTTng tracing sessions\&. +.sp +The following LTTng\-UST events are available when using this library: +.PP +\fBlttng_ust_dl:dlopen\fR +.RS 4 +Emitted when +\fBdlopen\fR(3) +is called\&. +.sp +Fields: +.TS +allbox tab(:); +ltB ltB. +T{ +Field name +T}:T{ +Description +T} +.T& +lt lt +lt lt +lt lt. +T{ +\fBbaddr\fR +T}:T{ +Base address of loaded library +T} +T{ +\fBmemsz\fR +T}:T{ +Size of loaded library in memory +T} +T{ +\fBpath\fR +T}:T{ +Path to loaded library file +T} +.TE +.sp 1 +.RE +.PP +\fBlttng_ust_dl:dlclose\fR +.RS 4 +Emitted when +\fBdlclose\fR(3) +is called\&. +.sp +Fields: +.TS +allbox tab(:); +ltB ltB. +T{ +Field name +T}:T{ +Description +T} +.T& +lt lt. +T{ +\fBbaddr\fR +T}:T{ +Base address of loaded library +T} +.TE +.sp 1 +.RE +.PP +\fBlttng_ust_dl:debug_link\fR +.RS 4 +Emitted when debug link information is found when loading a library with +\fBdlopen\fR(3)\&. See +Debugging Information in Separate Files +for more information about debug links\&. +.sp +Fields: +.TS +allbox tab(:); +ltB ltB. +T{ +Field name +T}:T{ +Description +T} +.T& +lt lt +lt lt +lt lt. +T{ +\fBbaddr\fR +T}:T{ +Base address of loaded library +T} +T{ +\fBfilename\fR +T}:T{ +Debug link file name +T} +T{ +\fBcrc\fR +T}:T{ +Debug link file\(cqs CRC +T} +.TE +.sp 1 +.RE +.PP +\fBlttng_ust_dl:build_id\fR +.RS 4 +Emitted when a build ID is found when loading a library with +\fBdlopen\fR(3)\&. See +Debugging Information in Separate Files +for more information about build IDs\&. +.sp +Fields: +.TS +allbox tab(:); +ltB ltB. +T{ +Field name +T}:T{ +Description +T} +.T& +lt lt +lt lt. +T{ +\fBbaddr\fR +T}:T{ +Base address of loaded library +T} +T{ +\fBbuild_id\fR +T}:T{ +Build ID +T} +.TE +.sp 1 +.RE +.SH "BUGS" +.sp +If you encounter any issue or usability problem, please report it on the LTTng bug tracker \&. +.SH "RESOURCES" +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +LTTng project website +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +LTTng documentation +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Git repositories +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +GitHub organization +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Continuous integration +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Mailing list +for support and development: +\fBlttng-dev@lists.lttng.org\fR +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +IRC channel : +\fB#lttng\fR +on +\fBirc.oftc.net\fR +.RE +.SH "COPYRIGHTS" +.sp +This library is part of the LTTng\-UST project\&. +.sp +This library is distributed under the GNU Lesser General Public License, version 2\&.1 \&. See the \fBCOPYING\fR file for more details\&. +.SH "THANKS" +.sp +Thanks to Ericsson for funding this work, providing real\-life use cases, and testing\&. +.sp +Special thanks to Michel Dagenais and the DORSAL laboratory at \('Ecole Polytechnique de Montr\('eal for the LTTng journey\&. +.SH "AUTHORS" +.sp +LTTng\-UST was originally written by Mathieu Desnoyers, with additional contributions from various other people\&. It is currently maintained by Mathieu Desnoyers \&. +.SH "SEE ALSO" +.sp +\fBlttng-ust\fR(3), \fBdlopen\fR(3), \fBlttng\fR(1) diff --git a/doc/man/lttng-ust-dl.3.txt b/doc/man/lttng-ust-dl.3.txt new file mode 100644 index 0000000..392e5cb --- /dev/null +++ b/doc/man/lttng-ust-dl.3.txt @@ -0,0 +1,99 @@ +lttng-ust-dl(3) +=============== +:object-type: library + + +NAME +---- +lttng-ust-dl - Dynamic linker tracing (LTTng-UST helper) + + +SYNOPSIS +-------- +Launch your application by preloading `liblttng-ust-dl.so`: + +[role="term"] +[verse] +*LD_PRELOAD=liblttng-ust-dl.so* my-app + + +DESCRIPTION +----------- +When the `liblttng-ust-dl.so` library is preloaded before a given +application starts, it causes all calls to man:dlopen(3) and +man:dlclose(3) in said application to be traced with LTTng-UST (see +man:lttng-ust(3)). + +See man:lttng(1) to learn more about how to control LTTng tracing +sessions. + +The following LTTng-UST events are available when using this library: + +`lttng_ust_dl:dlopen`:: + Emitted when man:dlopen(3) is called. ++ +Fields: ++ +[options="header"] +|============================================================== +| Field name | Description +| `baddr` | Base address of loaded library +| `memsz` | Size of loaded library in memory +| `path` | Path to loaded library file +|============================================================== + +`lttng_ust_dl:dlclose`:: + Emitted when man:dlclose(3) is called. ++ +Fields: ++ +[options="header"] +|============================================================== +| Field name | Description +| `baddr` | Base address of loaded library +|============================================================== + +`lttng_ust_dl:debug_link`:: + Emitted when debug link information is found when loading a library + with man:dlopen(3). See + https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html[Debugging Information in Separate Files] + for more information about debug links. ++ +Fields: ++ +[options="header"] +|============================================================== +| Field name | Description +| `baddr` | Base address of loaded library +| `filename` | Debug link file name +| `crc` | Debug link file's CRC +|============================================================== + +`lttng_ust_dl:build_id`:: + Emitted when a build ID is found when loading a library + with man:dlopen(3). See + https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html[Debugging Information in Separate Files] + for more information about build IDs. ++ +Fields: ++ +[options="header"] +|============================================================== +| Field name | Description +| `baddr` | Base address of loaded library +| `build_id` | Build ID +|============================================================== + + +include::common-footer.txt[] + +include::common-copyrights.txt[] + +include::common-authors.txt[] + + +SEE ALSO +-------- +man:lttng-ust(3), +man:dlopen(3), +man:lttng(1) diff --git a/doc/man/lttng-ust.3 b/doc/man/lttng-ust.3 new file mode 100644 index 0000000..2e3afec --- /dev/null +++ b/doc/man/lttng-ust.3 @@ -0,0 +1,1723 @@ +'\" t +.\" Title: lttng-ust +.\" Author: [see the "AUTHORS" section] +.\" Generator: DocBook XSL Stylesheets v1.78.1 +.\" Date: 06/05/2016 +.\" Manual: LTTng Manual +.\" Source: LTTng 2.9.0-pre +.\" Language: English +.\" +.TH "LTTNG\-UST" "3" "06/05/2016" "LTTng 2\&.9\&.0\-pre" "LTTng Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +lttng-ust \- LTTng user space tracing +.SH "SYNOPSIS" +.sp +.nf +\fB#include \fR +.fi +.sp +.nf +#define \fBTRACEPOINT_ENUM\fR(\fIprov_name\fR, \fIenum_name\fR, \fImappings\fR) +#define \fBTRACEPOINT_EVENT\fR(\fIprov_name\fR, \fIt_name\fR, \fIargs\fR, \fIfields\fR) +#define \fBTRACEPOINT_EVENT_CLASS\fR(\fIprov_name\fR, \fIclass_name\fR, + \fIargs\fR, \fIfields\fR) +#define \fBTRACEPOINT_EVENT_INSTANCE\fR(\fIprov_name\fR, \fIclass_name\fR, + \fIt_name\fR, \fIargs\fR) +#define \fBTRACEPOINT_LOGLEVEL\fR(\fIprov_name\fR, \fIt_name\fR, \fIlevel\fR) +#define \fBctf_array\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR, \fIcount\fR) +#define \fBctf_array_nowrite\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR, \fIcount\fR) +#define \fBctf_array_text\fR(char, \fIfield_name\fR, \fIexpr\fR, \fIcount\fR) +#define \fBctf_array_text_nowrite\fR(char, \fIfield_name\fR, \fIexpr\fR, \fIcount\fR) +#define \fBctf_enum\fR(\fIprov_name\fR, \fIenum_name\fR, \fIint_type\fR, \fIfield_name\fR, \fIexpr\fR) +#define \fBctf_enum_nowrite\fR(\fIprov_name\fR, \fIenum_name\fR, \fIint_type\fR, + \fIfield_name\fR, \fIexpr\fR) +#define \fBctf_enum_value\fR(\fIlabel\fR, \fIvalue\fR) +#define \fBctf_enum_range\fR(\fIlabel\fR, \fIstart\fR, \fIend\fR) +#define \fBctf_float\fR(\fIfloat_type\fR, \fIfield_name\fR, \fIexpr\fR) +#define \fBctf_float_nowrite\fR(\fIfloat_type\fR, \fIfield_name\fR, \fIexpr\fR) +#define \fBctf_integer\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR) +#define \fBctf_integer_hex\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR) +#define \fBctf_integer_network\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR) +#define \fBctf_integer_network_hex\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR) +#define \fBctf_integer_nowrite\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR) +#define \fBctf_sequence\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR, \fIlen_type\fR, \fIlen_expr\fR) +#define \fBctf_sequence_nowrite\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR, + \fIlen_type\fR, \fIlen_expr\fR) +#define \fBctf_sequence_text\fR(char, \fIfield_name\fR, \fIexpr\fR, \fIlen_type\fR, \fIlen_expr\fR) +#define \fBctf_sequence_text_nowrite\fR(char, \fIfield_name\fR, \fIexpr\fR, + \fIlen_type\fR, \fIlen_expr\fR) +#define \fBctf_string\fR(\fIfield_name\fR, \fIexpr\fR) +#define \fBctf_string_nowrite\fR(\fIfield_name\fR, \fIexpr\fR) +#define \fBdo_tracepoint\fR(\fIprov_name\fR, \fIt_name\fR, \&...) +#define \fBtracepoint\fR(\fIprov_name\fR, \fIt_name\fR, \&...) +#define \fBtracepoint_enabled\fR(\fIprov_name\fR, \fIt_name\fR) +.fi +.sp +Link with \fB-llttng-ust -ldl\fR, following this man page\&. +.SH "DESCRIPTION" +.sp +The \fILinux Trace Toolkit: next generation\fR is an open source software package used for correlated tracing of the Linux kernel, user applications, and user libraries\&. +.sp +LTTng\-UST is the user space tracing component of the LTTng project\&. It is a port to user space of the low\-overhead tracing capabilities of the LTTng Linux kernel tracer\&. The \fBliblttng-ust\fR library is used to trace user applications and libraries\&. +.if n \{\ +.sp +.\} +.RS 4 +.it 1 an-trap +.nr an-no-space-flag 1 +.nr an-break-flag 1 +.br +.ps +1 +\fBNote\fR +.ps -1 +.br +.sp +This man page is about the \fBliblttng-ust\fR library\&. The LTTng\-UST project also provides Java and Python packages to trace applications written in those languages\&. How to instrument and trace Java and Python applications is documented in the online LTTng documentation \&. +.sp .5v +.RE +.sp +There are three ways to use \fBliblttng-ust\fR: +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Using the +\fBtracef\fR(3) +API, which is similar to +\fBprintf\fR(3)\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Using the +\fBtracelog\fR(3) +API, which is +\fBtracef\fR(3) +with a log level parameter\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Defining your own tracepoints\&. See the +\fICreating a tracepoint provider\fR +section below\&. +.RE +.SS "Creating a tracepoint provider" +.sp +Creating a tracepoint provider is the first step of using \fBliblttng-ust\fR\&. The next steps are: +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +\fIInstrumenting your application with tracepoint() calls\fR +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Building your application with LTTng\-UST support, either +\fIstatically\fR +or +\fIdynamically\fR\&. +.RE +.sp +A \fBtracepoint provider\fR is a compiled object containing the event probes corresponding to your custom tracepoint definitions\&. A tracepoint provider contains the code to get the size of an event and to serialize it, amongst other things\&. +.sp +To create a tracepoint provider, start with the following \fItracepoint provider header\fR template: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER my_provider + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "\&./tp\&.h" + +#if !defined(_TP_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TP_H + +#include + +/* + * TRACEPOINT_EVENT(), TRACEPOINT_EVENT_CLASS(), + * TRACEPOINT_EVENT_INSTANCE(), TRACEPOINT_LOGLEVEL(), + * and `TRACEPOINT_ENUM()` are used here\&. + */ + +#endif /* _TP_H */ + +#include +.fi +.if n \{\ +.RE +.\} +.sp +In this template, the tracepoint provider is named \fBmy_provider\fR (\fBTRACEPOINT_PROVIDER\fR definition)\&. The file needs to bear the name of the \fBTRACEPOINT_INCLUDE\fR definition (\fBtp.h\fR in this case)\&. Between \fB#include \fR and \fB#endif\fR go the invocations of the \fITRACEPOINT_EVENT()\fR, \fITRACEPOINT_EVENT_CLASS()\fR, \fITRACEPOINT_EVENT_INSTANCE()\fR, \fITRACEPOINT_LOGLEVEL()\fR, and \fITRACEPOINT_ENUM()\fR macros\&. +.if n \{\ +.sp +.\} +.RS 4 +.it 1 an-trap +.nr an-no-space-flag 1 +.nr an-break-flag 1 +.br +.ps +1 +\fBNote\fR +.ps -1 +.br +.sp +You can avoid writing the prologue and epilogue boilerplate in the template file above by using the \fBlttng-gen-tp\fR(1) tool shipped with LTTng\-UST\&. +.sp .5v +.RE +.sp +The tracepoint provider header file needs to be included in a source file which looks like this: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#define TRACEPOINT_CREATE_PROBES + +#include "tp\&.h" +.fi +.if n \{\ +.RE +.\} +.sp +Together, those two files (let\(cqs call them \fBtp.h\fR and \fBtp.c\fR) form the tracepoint provider sources, ready to be compiled\&. +.sp +You can create multiple tracepoint providers to be used in a single application, but each one must have its own header file\&. +.sp +The \fITRACEPOINT_EVENT() usage\fR section below shows how to use the \fBTRACEPOINT_EVENT()\fR macro to define the actual tracepoints in the tracepoint provider header file\&. +.sp +See the \fIEXAMPLE\fR section below for a complete example\&. +.SS "TRACEPOINT_EVENT() usage" +.sp +The \fBTRACEPOINT_EVENT()\fR macro is used in a template provider header file (see the \fICreating a tracepoint provider\fR section above) to define LTTng\-UST tracepoints\&. +.sp +The \fBTRACEPOINT_EVENT()\fR usage template is as follows: +.sp +.if n \{\ +.RS 4 +.\} +.nf +TRACEPOINT_EVENT( + /* Tracepoint provider name */ + my_provider, + + /* Tracepoint/event name */ + my_tracepoint, + + /* List of tracepoint arguments (input) */ + TP_ARGS( + \&.\&.\&. + ), + + /* List of fields of eventual event (output) */ + TP_FIELDS( + \&.\&.\&. + ) +) +.fi +.if n \{\ +.RE +.\} +.sp +The \fBTP_ARGS()\fR macro contains the input arguments of the tracepoint\&. Those arguments can be used in the argument expressions of the output fields defined in \fBTP_FIELDS()\fR\&. +.sp +The format of the \fBTP_ARGS()\fR parameters is: C type, then argument name; repeat as needed, up to ten times\&. For example: +.sp +.if n \{\ +.RS 4 +.\} +.nf +TP_ARGS( + int, my_int, + const char *, my_string, + FILE *, my_file, + double, my_float, + struct my_data *, my_data +) +.fi +.if n \{\ +.RE +.\} +.sp +The \fBTP_FIELDS()\fR macro contains the output fields of the tracepoint, that is, the actual data that can be recorded in the payload of an event emitted by this tracepoint\&. +.sp +The \fBTP_FIELDS()\fR macro contains a list of \fBctf_*()\fR macros NOT separated by commas\&. The available macros are documented in the \fIAvailable ctf_*() field type macros\fR section below\&. +.SS "Available ctf_*() field type macros" +.sp +This section documents the available \fBctf_*()\fR macros that can be inserted in the \fBTP_FIELDS()\fR macro of the \fITRACEPOINT_EVENT() macro\fR\&. +.sp +Standard integer, displayed in base 10: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\fBctf_integer\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR) +\fBctf_integer_nowrite\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR) +.fi +.if n \{\ +.RE +.\} +.sp +Standard integer, displayed in base 16: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\fBctf_integer_hex\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR) +.fi +.if n \{\ +.RE +.\} +.sp +Integer in network byte order (big endian), displayed in base 10: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\fBctf_integer_network\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR) +.fi +.if n \{\ +.RE +.\} +.sp +Integer in network byte order, displayed in base 16: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\fBctf_integer_network_hex\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR) +.fi +.if n \{\ +.RE +.\} +.sp +Floating point number: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\fBctf_float\fR(\fIfloat_type\fR, \fIfield_name\fR, \fIexpr\fR) +\fBctf_float_nowrite\fR(\fIfloat_type\fR, \fIfield_name\fR, \fIexpr\fR) +.fi +.if n \{\ +.RE +.\} +.sp +Null\-terminated string: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\fBctf_string\fR(\fIfield_name\fR, \fIexpr\fR) +\fBctf_string_nowrite\fR(\fIfield_name\fR, \fIexpr\fR) +.fi +.if n \{\ +.RE +.\} +.sp +Statically\-sized array of integers: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\fBctf_array\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR, \fIcount\fR) +\fBctf_array_nowrite\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR, \fIcount\fR) +.fi +.if n \{\ +.RE +.\} +.sp +Statically\-sized array, printed as text; no need to be null\-terminated: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\fBctf_array_text\fR(char, \fIfield_name\fR, \fIexpr\fR, \fIcount\fR) +\fBctf_array_text_nowrite\fR(char, \fIfield_name\fR, \fIexpr\fR, \fIcount\fR) +.fi +.if n \{\ +.RE +.\} +.sp +Dynamically\-sized array of integers: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\fBctf_sequence\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR, \fIlen_type\fR, \fIlen_expr\fR) +\fBctf_sequence_nowrite\fR(\fIint_type\fR, \fIfield_name\fR, \fIexpr\fR, \fIlen_type\fR, \fIlen_expr\fR) +.fi +.if n \{\ +.RE +.\} +.sp +Dynamically\-sized array, displayed as text; no need to be null\-terminated: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\fBctf_sequence_text\fR(char, \fIfield_name\fR, \fIexpr\fR, \fIlen_type\fR, \fIlen_expr\fR) +\fBctf_sequence_text_nowrite\fR(char, \fIfield_name\fR, \fIexpr\fR, \fIlen_type\fR, \fIlen_expr\fR) +.fi +.if n \{\ +.RE +.\} +.sp +Enumeration\&. The enumeration field must be defined before using this macro with the \fBTRACEPOINT_ENUM()\fR macro\&. See the \fITRACEPOINT_ENUM() usage\fR section for more information\&. +.sp +.if n \{\ +.RS 4 +.\} +.nf +\fBctf_enum\fR(\fIprov_name\fR, \fIenum_name\fR, \fIint_type\fR, \fIfield_name\fR, \fIexpr\fR) +\fBctf_enum_nowrite\fR(\fIprov_name\fR, \fIenum_name\fR, \fIint_type\fR, \fIfield_name\fR, \fIexpr\fR) +.fi +.if n \{\ +.RE +.\} +.sp +The parameters are: +.PP +\fIint_type\fR +.RS 4 +Integer C type\&. The size of this type determines the size of the integer/enumeration field\&. +.RE +.PP +\fIfloat_type\fR +.RS 4 +Float C type (\fBfloat\fR +or +\fBdouble\fR)\&. The size of this type determines the size of the floating point number field\&. +.RE +.PP +\fIfield_name\fR +.RS 4 +Event field name (C identifier syntax, NOT a literal string)\&. +.RE +.PP +\fIexpr\fR +.RS 4 +C expression resulting in the field\(cqs value\&. This expression can use one or more arguments passed to the tracepoint\&. The arguments of a given tracepoint are defined in the +\fBTP_ARGS()\fR +macro (see the +\fICreating a tracepoint provider\fR +section above)\&. +.RE +.PP +\fIcount\fR +.RS 4 +Number of elements in array/sequence\&. This must be known at compile time\&. +.RE +.PP +\fIlen_type\fR +.RS 4 +Unsigned integer C type of sequence\(cqs length\&. +.RE +.PP +\fIlen_expr\fR +.RS 4 +C expression resulting in the sequence\(cqs length\&. This expression can use one or more arguments passed to the tracepoint\&. +.RE +.PP +\fIprov_name\fR +.RS 4 +Tracepoint provider name\&. This must be the same as the tracepoint provider name used in a previous field definition\&. +.RE +.PP +\fIenum_name\fR +.RS 4 +Name of an enumeration field previously defined with the +\fBTRACEPOINT_ENUM()\fR +macro\&. See the +\fITRACEPOINT_ENUM() usage\fR +section for more information\&. +.RE +.sp +The \fB_nowrite\fR versions omit themselves from the recorded trace, but are otherwise identical\&. Their primary purpose is to make some of the event context available to the event filters without having to commit the data to sub\-buffers\&. See \fBlttng-enable-event\fR(1) to learn more about dynamic event filtering\&. +.sp +See the \fIEXAMPLE\fR section below for a complete example\&. +.SS "TRACEPOINT_ENUM() usage" +.sp +An enumeration field is a list of mappings between an integers, or a range of integers, and strings (sometimes called \fIlabels\fR or \fIenumerators\fR)\&. Enumeration fields can be used to have a more compact trace when the possible values for a field are limited\&. +.sp +An enumeration field is defined with the \fBTRACEPOINT_ENUM()\fR macro: +.sp +.if n \{\ +.RS 4 +.\} +.nf +TRACEPOINT_ENUM( + /* Tracepoint provider name */ + my_provider, + + /* Enumeration name (unique in the whole tracepoint provider) */ + my_enum, + + /* Enumeration mappings */ + TP_ENUM_VALUES( + \&.\&.\&. + ) +) +.fi +.if n \{\ +.RE +.\} +.sp +\fBTP_ENUM_VALUES()\fR contains a list of enumeration mappings, NOT separated by commas\&. Two macros can be used in the \fBTP_ENUM_VALUES()\fR: \fBctf_enum_value()\fR and \fBctf_enum_range()\fR\&. +.sp +\fBctf_enum_value()\fR is a single value mapping: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\fBctf_enum_value\fR(\fIlabel\fR, \fIvalue\fR) +.fi +.if n \{\ +.RE +.\} +.sp +This macro maps the given \fIlabel\fR string to the value \fIvalue\fR\&. +.sp +\fBctf_enum_range()\fR is a range mapping: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\fBctf_enum_range\fR(\fIlabel\fR, \fIstart\fR, \fIend\fR) +.fi +.if n \{\ +.RE +.\} +.sp +This macro maps the given \fIlabel\fR string to the range of integers from \fIstart\fR to \fIend\fR, inclusively\&. Range mappings may overlap, but the behaviour is implementation\-defined: each trace reader handles overlapping ranges as it wishes\&. +.sp +See the \fIEXAMPLE\fR section below for a complete example\&. +.SS "TRACEPOINT_EVENT_CLASS() usage" +.sp +A \fBtracepoint class\fR is a class of tracepoints sharing the same field types and names\&. A tracepoint instance is one instance of such a declared tracepoint class, with its own event name\&. +.sp +LTTng\-UST creates one event serialization function per tracepoint class\&. Using \fBTRACEPOINT_EVENT()\fR creates one tracepoint class per tracepoint definition, whereas using \fBTRACEPOINT_EVENT_CLASS()\fR and \fBTRACEPOINT_EVENT_INSTANCE()\fR creates one tracepoint class, and one or more tracepoint instances of this class\&. In other words, many tracepoints can reuse the same serialization code\&. Reusing the same code, when possible, can reduce cache pollution, thus improve performance\&. +.sp +The \fBTRACEPOINT_EVENT_CLASS()\fR macro accepts the same parameters as the \fBTRACEPOINT_EVENT()\fR macro, except that instead of an event name, its second parameter is the \fItracepoint class name\fR: +.sp +.if n \{\ +.RS 4 +.\} +.nf +TRACEPOINT_EVENT_CLASS( + /* Tracepoint provider name */ + my_provider, + + /* Tracepoint class name */ + my_tracepoint_class, + + /* List of tracepoint arguments (input) */ + TP_ARGS( + \&.\&.\&. + ), + + /* List of fields of eventual event (output) */ + TP_FIELDS( + \&.\&.\&. + ) +) +.fi +.if n \{\ +.RE +.\} +.sp +Once the tracepoint class is defined, you can create as many tracepoint instances as needed: +.sp +.if n \{\ +.RS 4 +.\} +.nf +TRACEPOINT_EVENT_INSTANCE( + /* Tracepoint provider name */ + my_provider, + + /* Tracepoint class name */ + my_tracepoint_class, + + /* Tracepoint/event name */ + my_tracepoint, + + /* List of tracepoint arguments (input) */ + TP_ARGS( + \&.\&.\&. + ) +) +.fi +.if n \{\ +.RE +.\} +.sp +As you can see, the \fBTRACEPOINT_EVENT_INSTANCE()\fR does not contain the \fBTP_FIELDS()\fR macro, because they are defined at the \fBTRACEPOINT_EVENT_CLASS()\fR level\&. +.sp +See the \fIEXAMPLE\fR section below for a complete example\&. +.SS "TRACEPOINT_LOGLEVEL() usage" +.sp +Optionally, a \fBlog level\fR can be assigned to a defined tracepoint\&. Assigning different levels of severity to tracepoints can be useful: when controlling tracing sessions, you can choose to only enable events falling into a specific log level range using the \fB--loglevel\fR and \fB--loglevel-only\fR options of the \fBlttng-enable-event\fR(1) command\&. +.sp +Log levels are assigned to tracepoints that are already defined using the \fBTRACEPOINT_LOGLEVEL()\fR macro\&. The latter must be used after having used \fBTRACEPOINT_EVENT()\fR or \fBTRACEPOINT_EVENT_INSTANCE()\fR for a given tracepoint\&. The \fBTRACEPOINT_LOGLEVEL()\fR macro is used as follows: +.sp +.if n \{\ +.RS 4 +.\} +.nf +TRACEPOINT_LOGLEVEL( + /* Tracepoint provider name */ + my_provider, + + /* Tracepoint/event name */ + my_tracepoint, + + /* Log level */ + TRACE_INFO +) +.fi +.if n \{\ +.RE +.\} +.sp +The available log level definitions are: +.PP +\fBTRACE_EMERG\fR +.RS 4 +System is unusable\&. +.RE +.PP +\fBTRACE_ALERT\fR +.RS 4 +Action must be taken immediately\&. +.RE +.PP +\fBTRACE_CRIT\fR +.RS 4 +Critical conditions\&. +.RE +.PP +\fBTRACE_ERR\fR +.RS 4 +Error conditions\&. +.RE +.PP +\fBTRACE_WARNING\fR +.RS 4 +Warning conditions\&. +.RE +.PP +\fBTRACE_NOTICE\fR +.RS 4 +Normal, but significant, condition\&. +.RE +.PP +\fBTRACE_INFO\fR +.RS 4 +Informational message\&. +.RE +.PP +\fBTRACE_DEBUG_SYSTEM\fR +.RS 4 +Debug information with system\-level scope (set of programs)\&. +.RE +.PP +\fBTRACE_DEBUG_PROGRAM\fR +.RS 4 +Debug information with program\-level scope (set of processes)\&. +.RE +.PP +\fBTRACE_DEBUG_PROCESS\fR +.RS 4 +Debug information with process\-level scope (set of modules)\&. +.RE +.PP +\fBTRACE_DEBUG_MODULE\fR +.RS 4 +Debug information with module (executable/library) scope (set of units)\&. +.RE +.PP +\fBTRACE_DEBUG_UNIT\fR +.RS 4 +Debug information with compilation unit scope (set of functions)\&. +.RE +.PP +\fBTRACE_DEBUG_FUNCTION\fR +.RS 4 +Debug information with function\-level scope\&. +.RE +.PP +\fBTRACE_DEBUG_LINE\fR +.RS 4 +Debug information with line\-level scope (default log level)\&. +.RE +.PP +\fBTRACE_DEBUG\fR +.RS 4 +Debug\-level message\&. +.RE +.sp +See the \fIEXAMPLE\fR section below for a complete example\&. +.SS "Instrumenting your application" +.sp +Once the tracepoint provider is created (see the \fICreating a tracepoint provider\fR section above), you can instrument your application with the defined tracepoints thanks to the \fBtracepoint()\fR macro: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#define \fBtracepoint\fR(\fIprov_name\fR, \fIt_name\fR, \&...) +.fi +.if n \{\ +.RE +.\} +.sp +With: +.PP +\fIprov_name\fR +.RS 4 +Tracepoint provider name\&. +.RE +.PP +\fIt_name\fR +.RS 4 +Tracepoint/event name\&. +.RE +.PP +\fB...\fR +.RS 4 +Tracepoint arguments, if any\&. +.RE +.sp +Make sure to include the tracepoint provider header file anywhere you use \fBtracepoint()\fR for this provider\&. +.if n \{\ +.sp +.\} +.RS 4 +.it 1 an-trap +.nr an-no-space-flag 1 +.nr an-break-flag 1 +.br +.ps +1 +\fBNote\fR +.ps -1 +.br +.sp +Even though LTTng\-UST supports \fBtracepoint()\fR call site duplicates having the same provider and tracepoint names, it is recommended to use a provider/tracepoint name pair only once within the application source code to help map events back to their call sites when analyzing the trace\&. +.sp .5v +.RE +.sp +Sometimes, arguments to the tracepoint are expensive to compute (take call stack, for example)\&. To avoid the computation when the tracepoint is disabled, you can use the \fBtracepoint_enabled()\fR and \fBdo_tracepoint()\fR macros: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#define \fBtracepoint_enabled\fR(\fIprov_name\fR, \fIt_name\fR) +#define \fBdo_tracepoint\fR(\fIprov_name\fR, \fIt_name\fR, \&...) +.fi +.if n \{\ +.RE +.\} +.sp +\fBtracepoint_enabled()\fR returns a non\-zero value if the tracepoint named \fIt_name\fR from the provider named \fIprov_name\fR is enabled at run time\&. +.sp +\fBdo_tracepoint()\fR is like \fBtracepoint()\fR, except that it doesn\(cqt check if the tracepoint is enabled\&. Using \fBtracepoint()\fR with \fBtracepoint_enabled()\fR is dangerous since \fBtracepoint()\fR also contains the \fBtracepoint_enabled()\fR check, thus a race condition is possible in this situation: +.sp +.if n \{\ +.RS 4 +.\} +.nf +if (tracepoint_enabled(my_provider, my_tracepoint)) { + stuff = prepare_stuff(); +} + +tracepoint(my_provider, my_tracepoint, stuff); +.fi +.if n \{\ +.RE +.\} +.sp +If the tracepoint is enabled after the condition, then \fBstuff\fR is not prepared: the emitted event will either contain wrong data, or the whole application could crash (segmentation fault, for example)\&. +.if n \{\ +.sp +.\} +.RS 4 +.it 1 an-trap +.nr an-no-space-flag 1 +.nr an-break-flag 1 +.br +.ps +1 +\fBNote\fR +.ps -1 +.br +.sp +Neither \fBtracepoint_enabled()\fR nor \fBdo_tracepoint()\fR have a \fBSTAP_PROBEV()\fR call, so if you need it, you should emit this call yourself\&. +.sp .5v +.RE +.SS "Statically linking the tracepoint provider" +.sp +With the static linking method, compiled tracepoint providers are copied into the target application\&. +.sp +Define \fBTRACEPOINT_DEFINE\fR definition below the \fBTRACEPOINT_CREATE_PROBES\fR definition in the tracepoint provider source: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#define TRACEPOINT_CREATE_PROBES +#define TRACEPOINT_DEFINE + +#include "tp\&.h" +.fi +.if n \{\ +.RE +.\} +.sp +Create the tracepoint provider object file: +.sp +.if n \{\ +.RS 4 +.\} +.nf +cc \-c \-I\&. tp\&.c +.fi +.if n \{\ +.RE +.\} +.sp +.if n \{\ +.sp +.\} +.RS 4 +.it 1 an-trap +.nr an-no-space-flag 1 +.nr an-break-flag 1 +.br +.ps +1 +\fBNote\fR +.ps -1 +.br +.sp +Although an application instrumented with LTTng\-UST tracepoints can be compiled with a C++ compiler, tracepoint probes should be compiled with a C compiler\&. +.sp .5v +.RE +.sp +At this point, you \fIcan\fR archive this tracepoint provider object file, possibly with other object files of your application or with other tracepoint provider object files, as a static library: +.sp +.if n \{\ +.RS 4 +.\} +.nf +ar rc tp\&.a tp\&.o +.fi +.if n \{\ +.RE +.\} +.sp +Using a static library does have the advantage of centralising the tracepoint providers objects so they can be shared between multiple applications\&. This way, when the tracepoint provider is modified, the source code changes don\(cqt have to be patched into each application\(cqs source code tree\&. The applications need to be relinked after each change, but need not to be otherwise recompiled (unless the tracepoint provider\(cqs API changes)\&. +.sp +Then, link your application with this object file (or with the static library containing it) and with \fBliblttng-ust\fR and \fBlibdl\fR (\fBlibc\fR on a BSD system): +.sp +.if n \{\ +.RS 4 +.\} +.nf +cc \-o app tp\&.o app\&.o \-llttng\-ust \-ldl +.fi +.if n \{\ +.RE +.\} +.SS "Dynamically loading the tracepoint provider" +.sp +The second approach to package the tracepoint provider is to use the dynamic loader: the library and its member functions are explicitly sought, loaded at run time\&. +.sp +In this scenario, the tracepoint provider is compiled as a shared object\&. +.sp +The process to create the tracepoint provider shared object is pretty much the same as the \fIstatic linking method\fR, except that: +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Since the tracepoint provider is not part of the application, +\fBTRACEPOINT_DEFINE\fR +must be defined, for each tracepoint provider, in exactly one source file of the +\fIapplication\fR +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +\fBTRACEPOINT_PROBE_DYNAMIC_LINKAGE\fR +must be defined next to +\fBTRACEPOINT_DEFINE\fR +.RE +.sp +Regarding \fBTRACEPOINT_DEFINE\fR and \fBTRACEPOINT_PROBE_DYNAMIC_LINKAGE\fR, the recommended practice is to use a separate C source file in your application to define them, then include the tracepoint provider header files afterwards\&. For example, as \fBtp-define.c\fR: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#define TRACEPOINT_DEFINE +#define TRACEPOINT_PROBE_DYNAMIC_LINKAGE + +#include "tp\&.h" +.fi +.if n \{\ +.RE +.\} +.sp +The tracepoint provider object file used to create the shared library is built like it is using the static linking method, but with the \fB-fpic\fR option: +.sp +.if n \{\ +.RS 4 +.\} +.nf +cc \-c \-fpic \-I\&. tp\&.c +.fi +.if n \{\ +.RE +.\} +.sp +It is then linked as a shared library like this: +.sp +.if n \{\ +.RS 4 +.\} +.nf +cc \-shared \-Wl,\-\-no\-as\-needed \-o tp\&.so tp\&.o \-llttng\-ust +.fi +.if n \{\ +.RE +.\} +.sp +This tracepoint provider shared object isn\(cqt linked with the user application: it must be loaded manually\&. This is why the application is built with no mention of this tracepoint provider, but still needs libdl: +.sp +.if n \{\ +.RS 4 +.\} +.nf +cc \-o app app\&.o tp\-define\&.o \-ldl +.fi +.if n \{\ +.RE +.\} +.sp +There are two ways to dynamically load the tracepoint provider shared object: +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Load it manually from the application using +\fBdlopen\fR(3) +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Make the dynamic loader load it with the +\fBLD_PRELOAD\fR +environment variable (see +\fBld.so\fR(8)) +.RE +.sp +If the application does not dynamically load the tracepoint provider shared object using one of the methods above, tracing is disabled for this application, and the events are not listed in the output of \fBlttng-list\fR(1)\&. +.sp +Note that it is not safe to use \fBdlclose\fR(3) on a tracepoint provider shared object that is being actively used for tracing, due to a lack of reference counting from LTTng\-UST to the shared object\&. +.sp +For example, statically linking a tracepoint provider to a shared object which is to be dynamically loaded by an application (a plugin, for example) is not safe: the shared object, which contains the tracepoint provider, could be dynamically closed (\fBdlclose\fR(3)) at any time by the application\&. +.sp +To instrument a shared object, either: +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Statically link the tracepoint provider to the application, or +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Build the tracepoint provider as a shared object (following the procedure shown in this section), and preload it when tracing is needed using the +\fBLD_PRELOAD\fR +environment variable\&. +.RE +.SS "Using LTTng\-UST with daemons" +.sp +Some extra care is needed when using \fBliblttng-ust\fR with daemon applications that call \fBfork\fR(2), \fBclone\fR(2), or BSD\(cqs \fBrfork\fR(2) without a following \fBexec\fR(3) family system call\&. The library \fBliblttng-ust-fork.so\fR needs to be preloaded before starting the application with the \fBLD_PRELOAD\fR environment variable (see \fBld.so\fR(8))\&. +.SS "Context information" +.sp +Context information can be prepended by the LTTng\-UST tracer before each event, or before specific events\&. +.sp +Context fields can be added to specific channels using \fBlttng-add-context\fR(1)\&. +.sp +The following context fields are supported by LTTng\-UST: +.PP +\fBcpu_id\fR +.RS 4 +CPU ID\&. +.if n \{\ +.sp +.\} +.RS 4 +.it 1 an-trap +.nr an-no-space-flag 1 +.nr an-break-flag 1 +.br +.ps +1 +\fBNote\fR +.ps -1 +.br +This context field is always enabled, and it cannot be added with +\fBlttng-add-context\fR(1)\&. Its main purpose is to be used for dynamic event filtering\&. See +\fBlttng-enable-event\fR(1) +for more information about event filtering\&. +.sp .5v +.RE +.RE +.PP +\fBip\fR +.RS 4 +Instruction pointer: enables recording the exact address from which an event was emitted\&. This context field can be used to reverse\-lookup the source location that caused the event to be emitted\&. +.RE +.PP +\fBperf:thread:COUNTER\fR +.RS 4 +perf counter named +\fICOUNTER\fR\&. Use +\fBlttng add-context --list\fR +to list the available perf counters\&. +.sp +Only available on IA\-32 and x86\-64 architectures\&. +.RE +.PP +\fBpthread_id\fR +.RS 4 +POSIX thread identifier\&. Can be used on architectures where +\fBpthread_t\fR +maps nicely to an +\fBunsigned long\fR +type\&. +.RE +.PP +\fBprocname\fR +.RS 4 +Thread name, as set by +\fBexec\fR(3) +or +\fBprctl\fR(2)\&. It is recommended that programs set their thread name with +\fBprctl\fR(2) +before hitting the first tracepoint for that thread\&. +.RE +.PP +\fBvpid\fR +.RS 4 +Virtual process ID: process ID as seen from the point of view of the process namespace\&. +.RE +.PP +\fBvtid\fR +.RS 4 +Virtual thread ID: thread ID as seen from the point of view of the process namespace\&. +.RE +.SS "LTTng\-UST state dump" +.sp +If an application that uses \fBliblttng-ust\fR becomes part of a tracing session, information about its currently loaded shared objects, their build IDs, and their debug link informations are emitted as events by the tracer\&. +.sp +The following LTTng\-UST state dump events exist and must be enabled to record application state dumps\&. +.PP +\fBlttng_ust_statedump:start\fR +.RS 4 +Emitted when the state dump begins\&. +.sp +This event has no fields\&. +.RE +.PP +\fBlttng_ust_statedump:end\fR +.RS 4 +Emitted when the state dump ends\&. Once this event is emitted, it is guaranteed that, for a given process, the state dump is complete\&. +.sp +This event has no fields\&. +.RE +.PP +\fBlttng_ust_statedump:bin_info\fR +.RS 4 +Emitted when information about a currently loaded executable or shared object is found\&. +.sp +Fields: +.TS +allbox tab(:); +ltB ltB. +T{ +Field name +T}:T{ +Description +T} +.T& +lt lt +lt lt +lt lt +lt lt. +T{ +\fBbaddr\fR +T}:T{ +Base address of loaded executable +T} +T{ +\fBmemsz\fR +T}:T{ +Size of loaded executable in memory +T} +T{ +\fBpath\fR +T}:T{ +Path to loaded executable file +T} +T{ +\fBis_pic\fR +T}:T{ +Whether the executable is position\-independent code +T} +.TE +.sp 1 +.RE +.PP +\fBlttng_ust_statedump:build_id\fR +.RS 4 +Emitted when a build ID is found in a currently loaded shared library\&. See +Debugging Information in Separate Files +for more information about build IDs\&. +.sp +Fields: +.TS +allbox tab(:); +ltB ltB. +T{ +Field name +T}:T{ +Description +T} +.T& +lt lt +lt lt. +T{ +\fBbaddr\fR +T}:T{ +Base address of loaded library +T} +T{ +\fBbuild_id\fR +T}:T{ +Build ID +T} +.TE +.sp 1 +.RE +.PP +\fBlttng_ust_statedump:debug_link\fR +.RS 4 +Emitted when debug link information is found in a currently loaded shared library\&. See +Debugging Information in Separate Files +for more information about debug links\&. +.sp +Fields: +.TS +allbox tab(:); +ltB ltB. +T{ +Field name +T}:T{ +Description +T} +.T& +lt lt +lt lt +lt lt. +T{ +\fBbaddr\fR +T}:T{ +Base address of loaded library +T} +T{ +\fBcrc\fR +T}:T{ +Debug link file\(cqs CRC +T} +T{ +\fBfilename\fR +T}:T{ +Debug link file name +T} +.TE +.sp 1 +.RE +.SH "EXAMPLE" +.if n \{\ +.sp +.\} +.RS 4 +.it 1 an-trap +.nr an-no-space-flag 1 +.nr an-break-flag 1 +.br +.ps +1 +\fBNote\fR +.ps -1 +.br +.sp +A few examples are available in the \fBdoc/examples\fR directory of LTTng\-UST\(cqs source tree\&. +.sp .5v +.RE +.sp +This example shows all the features documented in the previous sections\&. The \fIstatic linking\fR method is chosen here to link the application with the tracepoint provider\&. +.sp +You can compile the source files and link them together statically like this: +.sp +.if n \{\ +.RS 4 +.\} +.nf +cc \-c \-I\&. tp\&.c +cc \-c app\&.c +cc \-o app tp\&.o app\&.o \-llttng\-ust \-ldl +.fi +.if n \{\ +.RE +.\} +.sp +Using the \fBlttng\fR(1) tool, create an LTTng tracing session, enable all the events of this tracepoint provider, and start tracing: +.sp +.if n \{\ +.RS 4 +.\} +.nf +lttng create my\-session +lttng enable\-event \-\-userspace \*(Aqmy_provider:*\*(Aq +lttng start +.fi +.if n \{\ +.RE +.\} +.sp +You may also enable specific events: +.sp +.if n \{\ +.RS 4 +.\} +.nf +lttng enable\-event \-\-userspace my_provider:big_event +lttng enable\-event \-\-userspace my_provider:event_instance2 +.fi +.if n \{\ +.RE +.\} +.sp +Run the application: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\&./app some arguments +.fi +.if n \{\ +.RE +.\} +.sp +Stop the current tracing session and inspect the recorded events: +.sp +.if n \{\ +.RS 4 +.\} +.nf +lttng stop +lttng view +.fi +.if n \{\ +.RE +.\} +.SS "Tracepoint provider header file" +.sp +\fBtp.h\fR: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER my_provider + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "\&./tp\&.h" + +#if !defined(_TP_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TP_H + +#include +#include + +#include "app\&.h" + +TRACEPOINT_EVENT( + my_provider, + simple_event, + TP_ARGS( + int, my_integer_arg, + const char *, my_string_arg + ), + TP_FIELDS( + ctf_string(argc, my_string_arg) + ctf_integer(int, argv, my_integer_arg) + ) +) + +TRACEPOINT_ENUM( + my_provider, + my_enum, + TP_ENUM_VALUES( + ctf_enum_value("ZERO", 0) + ctf_enum_value("ONE", 1) + ctf_enum_value("TWO", 2) + ctf_enum_range("A RANGE", 52, 125) + ctf_enum_value("ONE THOUSAND", 1000) + ) +) + +TRACEPOINT_EVENT( + my_provider, + big_event, + TP_ARGS( + int, my_integer_arg, + const char *, my_string_arg, + FILE *, stream, + double, flt_arg, + int *, array_arg + ), + TP_FIELDS( + ctf_integer(int, int_field1, my_integer_arg * 2) + ctf_integer_hex(long int, stream_pos, ftell(stream)) + ctf_float(double, float_field, flt_arg) + ctf_string(string_field, my_string_arg) + ctf_array(int, array_field, array_arg, 7) + ctf_array_text(char, array_text_field, array_arg, 5) + ctf_sequence(int, seq_field, array_arg, int, + my_integer_arg / 10) + ctf_sequence_text(char, seq_text_field, array_arg, + int, my_integer_arg / 5) + ctf_enum(my_provider, my_enum, int, + enum_field, array_arg[1]) + ) +) + +TRACEPOINT_LOGLEVEL(my_provider, big_event, TRACE_WARNING) + +TRACEPOINT_EVENT_CLASS( + my_provider, + my_tracepoint_class, + TP_ARGS( + int, my_integer_arg, + struct app_struct *, app_struct_arg + ), + TP_FIELDS( + ctf_integer(int, a, my_integer_arg) + ctf_integer(unsigned long, b, app_struct_arg\->b) + ctf_string(c, app_struct_arg\->c) + ) +) + +TRACEPOINT_EVENT_INSTANCE( + my_provider, + my_tracepoint_class, + event_instance1, + TP_ARGS( + int, my_integer_arg, + struct app_struct *, app_struct_arg + ) +) + +TRACEPOINT_EVENT_INSTANCE( + my_provider, + my_tracepoint_class, + event_instance2, + TP_ARGS( + int, my_integer_arg, + struct app_struct *, app_struct_arg + ) +) + +TRACEPOINT_LOGLEVEL(my_provider, event_instance2, TRACE_INFO) + +TRACEPOINT_EVENT_INSTANCE( + my_provider, + my_tracepoint_class, + event_instance3, + TP_ARGS( + int, my_integer_arg, + struct app_struct *, app_struct_arg + ) +) + +#endif /* _TP_H */ + +#include +.fi +.if n \{\ +.RE +.\} +.SS "Tracepoint provider source file" +.sp +\fBtp.c\fR: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#define TRACEPOINT_CREATE_PROBES +#define TRACEPOINT_DEFINE + +#include "tp\&.h" +.fi +.if n \{\ +.RE +.\} +.SS "Application header file" +.sp +\fBapp.h\fR: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#ifndef _APP_H +#define _APP_H + +struct app_struct { + unsigned long b; + const char *c; + double d; +}; + +#endif /* _APP_H */ +.fi +.if n \{\ +.RE +.\} +.SS "Application source file" +.sp +\fBapp.c\fR: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#include +#include + +#include "tp\&.h" +#include "app\&.h" + +static int array_of_ints[] = { + 100, \-35, 1, 23, 14, \-6, 28, 1001, \-3000, +}; + +int main(int argc, char* argv[]) +{ + FILE *stream; + struct app_struct app_struct; + + tracepoint(my_provider, simple_event, argc, argv[0]); + stream = fopen("/tmp/app\&.txt", "w"); + + if (!stream) { + fprintf(stderr, + "Error: Cannot open /tmp/app\&.txt for writing\en"); + return EXIT_FAILURE; + } + + if (fprintf(stream, "0123456789") != 10) { + fclose(stream); + fprintf(stderr, "Error: Cannot write to /tmp/app\&.txt\en"); + return EXIT_FAILURE; + } + + tracepoint(my_provider, big_event, 35, "hello tracepoint", + stream, \-3\&.14, array_of_ints); + fclose(stream); + app_struct\&.b = argc; + app_struct\&.c = "[the string]"; + tracepoint(my_provider, event_instance1, 23, &app_struct); + app_struct\&.b = argc * 5; + app_struct\&.c = "[other string]"; + tracepoint(my_provider, event_instance2, 17, &app_struct); + app_struct\&.b = 23; + app_struct\&.c = "nothing"; + tracepoint(my_provider, event_instance3, \-52, &app_struct); + + return EXIT_SUCCESS; +} +.fi +.if n \{\ +.RE +.\} +.SH "ENVIRONMENT VARIABLES" +.PP +\fBLTTNG_HOME\fR +.RS 4 +Alternative user\(cqs home directory\&. This variable is useful when the user running the instrumented application has a non\-writable home directory\&. +.sp +Unix sockets used for the communication between +\fBliblttng-ust\fR +and the LTTng session and consumer daemons (part of the LTTng\-tools project) are located in a specific directory under +\fB$LTTNG_HOME\fR +(or +\fB$HOME\fR +if +\fB$LTTNG_HOME\fR +is not set)\&. +.RE +.PP +\fBLTTNG_UST_CLOCK_PLUGIN\fR +.RS 4 +Path to the shared object which acts as the clock override plugin\&. An example of such a plugin can be found in the LTTng\-UST documentation under +\fBexamples/clock-override\fR \&. +.RE +.PP +\fBLTTNG_UST_DEBUG\fR +.RS 4 +Activates +\fBliblttng-ust\fR\*(Aqs debug and error output if set to +\fB1\fR\&. +.RE +.PP +\fBLTTNG_UST_GETCPU_PLUGIN\fR +.RS 4 +Path to the shared object which acts as the +\fBgetcpu()\fR +override plugin\&. An example of such a plugin can be found in the LTTng\-UST documentation under +\fBexamples/getcpu-override\fR \&. +.RE +.PP +\fBLTTNG_UST_REGISTER_TIMEOUT\fR +.RS 4 +Waiting time for the +\fIregistration done\fR +session daemon command before proceeding to execute the main program (milliseconds)\&. +.sp +The value +\fB0\fR +means +\fIdo not wait\fR\&. The value +\fB-1\fR +means +\fIwait forever\fR\&. Setting this environment variable to +\fB0\fR +is recommended for applications with time constraints on the process startup time\&. +.sp +Default: 3000\&. +.RE +.PP +\fBLTTNG_UST_WITHOUT_BADDR_STATEDUMP\fR +.RS 4 +Prevents +\fBliblttng-ust\fR +from performing a base address state dump (see the +\fILTTng-UST state dump\fR +section above) if set to +\fB1\fR\&. +.RE +.SH "BUGS" +.sp +If you encounter any issue or usability problem, please report it on the LTTng bug tracker \&. +.SH "RESOURCES" +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +LTTng project website +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +LTTng documentation +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Git repositories +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +GitHub organization +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Continuous integration +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Mailing list +for support and development: +\fBlttng-dev@lists.lttng.org\fR +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +IRC channel : +\fB#lttng\fR +on +\fBirc.oftc.net\fR +.RE +.SH "COPYRIGHTS" +.sp +This library is part of the LTTng\-UST project\&. +.sp +This library is distributed under the GNU Lesser General Public License, version 2\&.1 \&. See the \fBCOPYING\fR file for more details\&. +.SH "THANKS" +.sp +Thanks to Ericsson for funding this work, providing real\-life use cases, and testing\&. +.sp +Special thanks to Michel Dagenais and the DORSAL laboratory at \('Ecole Polytechnique de Montr\('eal for the LTTng journey\&. +.SH "AUTHORS" +.sp +LTTng\-UST was originally written by Mathieu Desnoyers, with additional contributions from various other people\&. It is currently maintained by Mathieu Desnoyers \&. +.SH "SEE ALSO" +.sp +\fBtracef\fR(3), \fBtracelog\fR(3), \fBlttng-gen-tp\fR(1), \fBlttng-ust-dl\fR(3), \fBlttng-ust-cyg-profile\fR(3), \fBlttng\fR(1), \fBlttng-enable-event\fR(1), \fBlttng-list\fR(1), \fBlttng-add-context\fR(1), \fBbabeltrace\fR(1), \fBdlopen\fR(3), \fBld.so\fR(8) diff --git a/doc/man/lttng-ust.3.txt b/doc/man/lttng-ust.3.txt new file mode 100644 index 0000000..df2b6fb --- /dev/null +++ b/doc/man/lttng-ust.3.txt @@ -0,0 +1,1152 @@ +lttng-ust(3) +============ +:object-type: library + + +NAME +---- +lttng-ust - LTTng user space tracing + + +SYNOPSIS +-------- +[verse] +*#include * + +[verse] +#define *TRACEPOINT_ENUM*('prov_name', 'enum_name', 'mappings') +#define *TRACEPOINT_EVENT*('prov_name', 't_name', 'args', 'fields') +#define *TRACEPOINT_EVENT_CLASS*('prov_name', 'class_name', + 'args', 'fields') +#define *TRACEPOINT_EVENT_INSTANCE*('prov_name', 'class_name', + 't_name', 'args') +#define *TRACEPOINT_LOGLEVEL*('prov_name', 't_name', 'level') +#define *ctf_array*('int_type', 'field_name', 'expr', 'count') +#define *ctf_array_nowrite*('int_type', 'field_name', 'expr', 'count') +#define *ctf_array_text*(char, 'field_name', 'expr', 'count') +#define *ctf_array_text_nowrite*(char, 'field_name', 'expr', 'count') +#define *ctf_enum*('prov_name', 'enum_name', 'int_type', 'field_name', 'expr') +#define *ctf_enum_nowrite*('prov_name', 'enum_name', 'int_type', + 'field_name', 'expr') +#define *ctf_enum_value*('label', 'value') +#define *ctf_enum_range*('label', 'start', 'end') +#define *ctf_float*('float_type', 'field_name', 'expr') +#define *ctf_float_nowrite*('float_type', 'field_name', 'expr') +#define *ctf_integer*('int_type', 'field_name', 'expr') +#define *ctf_integer_hex*('int_type', 'field_name', 'expr') +#define *ctf_integer_network*('int_type', 'field_name', 'expr') +#define *ctf_integer_network_hex*('int_type', 'field_name', 'expr') +#define *ctf_integer_nowrite*('int_type', 'field_name', 'expr') +#define *ctf_sequence*('int_type', 'field_name', 'expr', 'len_type', 'len_expr') +#define *ctf_sequence_nowrite*('int_type', 'field_name', 'expr', + 'len_type', 'len_expr') +#define *ctf_sequence_text*(char, 'field_name', 'expr', 'len_type', 'len_expr') +#define *ctf_sequence_text_nowrite*(char, 'field_name', 'expr', + 'len_type', 'len_expr') +#define *ctf_string*('field_name', 'expr') +#define *ctf_string_nowrite*('field_name', 'expr') +#define *do_tracepoint*('prov_name', 't_name', ...) +#define *tracepoint*('prov_name', 't_name', ...) +#define *tracepoint_enabled*('prov_name', 't_name') + +Link with `-llttng-ust -ldl`, following this man page. + + +DESCRIPTION +----------- +The http://lttng.org/[_Linux Trace Toolkit: next generation_] is an open +source software package used for correlated tracing of the Linux kernel, +user applications, and user libraries. + +LTTng-UST is the user space tracing component of the LTTng project. It +is a port to user space of the low-overhead tracing capabilities of the +LTTng Linux kernel tracer. The `liblttng-ust` library is used to trace +user applications and libraries. + +NOTE: This man page is about the `liblttng-ust` library. The LTTng-UST +project also provides Java and Python packages to trace applications +written in those languages. How to instrument and trace Java and Python +applications is documented in +http://lttng.org/docs/[the online LTTng documentation]. + +There are three ways to use `liblttng-ust`: + + * Using the man:tracef(3) API, which is similar to man:printf(3). + * Using the man:tracelog(3) API, which is man:tracef(3) with + a log level parameter. + * Defining your own tracepoints. See the + <> section below. + + +[[creating-tp]] +Creating a tracepoint provider +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Creating a tracepoint provider is the first step of using +`liblttng-ust`. The next steps are: + + * <> + * Building your application with LTTng-UST support, either + <> or <>. + +A *tracepoint provider* is a compiled object containing the event +probes corresponding to your custom tracepoint definitions. A tracepoint +provider contains the code to get the size of an event and to serialize +it, amongst other things. + +To create a tracepoint provider, start with the following +_tracepoint provider header_ template: + +------------------------------------------------------------------------ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER my_provider + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./tp.h" + +#if !defined(_TP_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TP_H + +#include + +/* + * TRACEPOINT_EVENT(), TRACEPOINT_EVENT_CLASS(), + * TRACEPOINT_EVENT_INSTANCE(), TRACEPOINT_LOGLEVEL(), + * and `TRACEPOINT_ENUM()` are used here. + */ + +#endif /* _TP_H */ + +#include +------------------------------------------------------------------------ + +In this template, the tracepoint provider is named `my_provider` +(`TRACEPOINT_PROVIDER` definition). The file needs to bear the +name of the `TRACEPOINT_INCLUDE` definition (`tp.h` in this case). +Between `#include ` and `#endif` go +the invocations of the <>, +<>, +<>, +<>, and +<> macros. + +NOTE: You can avoid writing the prologue and epilogue boilerplate in the +template file above by using the man:lttng-gen-tp(1) tool shipped with +LTTng-UST. + +The tracepoint provider header file needs to be included in a source +file which looks like this: + +------------------------------------------------------------------------ +#define TRACEPOINT_CREATE_PROBES + +#include "tp.h" +------------------------------------------------------------------------ + +Together, those two files (let's call them `tp.h` and `tp.c`) form the +tracepoint provider sources, ready to be compiled. + +You can create multiple tracepoint providers to be used in a single +application, but each one must have its own header file. + +The <> section below +shows how to use the `TRACEPOINT_EVENT()` macro to define the actual +tracepoints in the tracepoint provider header file. + +See the <> section below for a complete example. + + +[[tracepoint-event]] +`TRACEPOINT_EVENT()` usage +~~~~~~~~~~~~~~~~~~~~~~~~~~ +The `TRACEPOINT_EVENT()` macro is used in a template provider +header file (see the <> +section above) to define LTTng-UST tracepoints. + +The `TRACEPOINT_EVENT()` usage template is as follows: + +------------------------------------------------------------------------ +TRACEPOINT_EVENT( + /* Tracepoint provider name */ + my_provider, + + /* Tracepoint/event name */ + my_tracepoint, + + /* List of tracepoint arguments (input) */ + TP_ARGS( + ... + ), + + /* List of fields of eventual event (output) */ + TP_FIELDS( + ... + ) +) +------------------------------------------------------------------------ + +The `TP_ARGS()` macro contains the input arguments of the tracepoint. +Those arguments can be used in the argument expressions of the output +fields defined in `TP_FIELDS()`. + +The format of the `TP_ARGS()` parameters is: C type, then argument name; +repeat as needed, up to ten times. For example: + +------------------------------------------------------------------------ +TP_ARGS( + int, my_int, + const char *, my_string, + FILE *, my_file, + double, my_float, + struct my_data *, my_data +) +------------------------------------------------------------------------ + +The `TP_FIELDS()` macro contains the output fields of the tracepoint, +that is, the actual data that can be recorded in the payload of an +event emitted by this tracepoint. + +The `TP_FIELDS()` macro contains a list of `ctf_*()` macros +:not: separated by commas. The available macros are documented in the +<> section below. + + +[[ctf-macros]] +Available `ctf_*()` field type macros +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +This section documents the available `ctf_*()` macros that can be +inserted in the `TP_FIELDS()` macro of the +<>. + +Standard integer, displayed in base 10: + +[verse] +*ctf_integer*('int_type', 'field_name', 'expr') +*ctf_integer_nowrite*('int_type', 'field_name', 'expr') + +Standard integer, displayed in base 16: + +[verse] +*ctf_integer_hex*('int_type', 'field_name', 'expr') + +Integer in network byte order (big endian), displayed in base 10: + +[verse] +*ctf_integer_network*('int_type', 'field_name', 'expr') + +Integer in network byte order, displayed in base 16: + +[verse] +*ctf_integer_network_hex*('int_type', 'field_name', 'expr') + +Floating point number: + +[verse] +*ctf_float*('float_type', 'field_name', 'expr') +*ctf_float_nowrite*('float_type', 'field_name', 'expr') + +Null-terminated string: + +[verse] +*ctf_string*('field_name', 'expr') +*ctf_string_nowrite*('field_name', 'expr') + +Statically-sized array of integers: + +[verse] +*ctf_array*('int_type', 'field_name', 'expr', 'count') +*ctf_array_nowrite*('int_type', 'field_name', 'expr', 'count') + +Statically-sized array, printed as text; no need to be null-terminated: + +[verse] +*ctf_array_text*(char, 'field_name', 'expr', 'count') +*ctf_array_text_nowrite*(char, 'field_name', 'expr', 'count') + +Dynamically-sized array of integers: + +[verse] +*ctf_sequence*('int_type', 'field_name', 'expr', 'len_type', 'len_expr') +*ctf_sequence_nowrite*('int_type', 'field_name', 'expr', 'len_type', 'len_expr') + +Dynamically-sized array, displayed as text; no need to be null-terminated: + +[verse] +*ctf_sequence_text*(char, 'field_name', 'expr', 'len_type', 'len_expr') +*ctf_sequence_text_nowrite*(char, 'field_name', 'expr', 'len_type', 'len_expr') + +Enumeration. The enumeration field must be defined before using this +macro with the `TRACEPOINT_ENUM()` macro. See the +<> section for more +information. + +[verse] +*ctf_enum*('prov_name', 'enum_name', 'int_type', 'field_name', 'expr') +*ctf_enum_nowrite*('prov_name', 'enum_name', 'int_type', 'field_name', 'expr') + +The parameters are: + +'int_type':: + Integer C type. The size of this type determines the size of the + integer/enumeration field. + +'float_type':: + Float C type (`float` or `double`). The size of this type determines + the size of the floating point number field. + +'field_name':: + Event field name (C identifier syntax, :not: a literal string). + +'expr':: + C expression resulting in the field's value. This expression can + use one or more arguments passed to the tracepoint. The arguments + of a given tracepoint are defined in the `TP_ARGS()` macro (see + the <> section above). + +'count':: + Number of elements in array/sequence. This must be known at + compile time. + +'len_type':: + Unsigned integer C type of sequence's length. + +'len_expr':: + C expression resulting in the sequence's length. This expression + can use one or more arguments passed to the tracepoint. + +'prov_name':: + Tracepoint provider name. This must be the same as the tracepoint + provider name used in a previous field definition. + +'enum_name':: + Name of an enumeration field previously defined with the + `TRACEPOINT_ENUM()` macro. See the + <> section for more + information. + +The `_nowrite` versions omit themselves from the recorded trace, but are +otherwise identical. Their primary purpose is to make some of the +event context available to the event filters without having to commit +the data to sub-buffers. See man:lttng-enable-event(1) to learn more +about dynamic event filtering. + +See the <> section below for a complete example. + + +[[tracepoint-enum]] +`TRACEPOINT_ENUM()` usage +~~~~~~~~~~~~~~~~~~~~~~~~~ +An enumeration field is a list of mappings between an integers, or a +range of integers, and strings (sometimes called _labels_ or +_enumerators_). Enumeration fields can be used to have a more compact +trace when the possible values for a field are limited. + +An enumeration field is defined with the `TRACEPOINT_ENUM()` macro: + +------------------------------------------------------------------------ +TRACEPOINT_ENUM( + /* Tracepoint provider name */ + my_provider, + + /* Enumeration name (unique in the whole tracepoint provider) */ + my_enum, + + /* Enumeration mappings */ + TP_ENUM_VALUES( + ... + ) +) +------------------------------------------------------------------------ + +`TP_ENUM_VALUES()` contains a list of enumeration mappings, :not: +separated by commas. Two macros can be used in the `TP_ENUM_VALUES()`: +`ctf_enum_value()` and `ctf_enum_range()`. + +`ctf_enum_value()` is a single value mapping: + +[verse] +*ctf_enum_value*('label', 'value') + +This macro maps the given 'label' string to the value 'value'. + +`ctf_enum_range()` is a range mapping: + +[verse] +*ctf_enum_range*('label', 'start', 'end') + +This macro maps the given 'label' string to the range of integers from +'start' to 'end', inclusively. Range mappings may overlap, but the +behaviour is implementation-defined: each trace reader handles +overlapping ranges as it wishes. + +See the <> section below for a complete example. + + +[[tracepoint-event-class]] +`TRACEPOINT_EVENT_CLASS()` usage +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +A *tracepoint class* is a class of tracepoints sharing the +same field types and names. A tracepoint instance is one instance of +such a declared tracepoint class, with its own event name. + +LTTng-UST creates one event serialization function per tracepoint +class. Using `TRACEPOINT_EVENT()` creates one tracepoint class per +tracepoint definition, whereas using `TRACEPOINT_EVENT_CLASS()` and +`TRACEPOINT_EVENT_INSTANCE()` creates one tracepoint class, and one or +more tracepoint instances of this class. In other words, many +tracepoints can reuse the same serialization code. Reusing the same +code, when possible, can reduce cache pollution, thus improve +performance. + +The `TRACEPOINT_EVENT_CLASS()` macro accepts the same parameters as +the `TRACEPOINT_EVENT()` macro, except that instead of an event name, +its second parameter is the _tracepoint class name_: + +------------------------------------------------------------------------ +TRACEPOINT_EVENT_CLASS( + /* Tracepoint provider name */ + my_provider, + + /* Tracepoint class name */ + my_tracepoint_class, + + /* List of tracepoint arguments (input) */ + TP_ARGS( + ... + ), + + /* List of fields of eventual event (output) */ + TP_FIELDS( + ... + ) +) +------------------------------------------------------------------------ + +Once the tracepoint class is defined, you can create as many tracepoint +instances as needed: + +------------------------------------------------------------------------- +TRACEPOINT_EVENT_INSTANCE( + /* Tracepoint provider name */ + my_provider, + + /* Tracepoint class name */ + my_tracepoint_class, + + /* Tracepoint/event name */ + my_tracepoint, + + /* List of tracepoint arguments (input) */ + TP_ARGS( + ... + ) +) +------------------------------------------------------------------------ + +As you can see, the `TRACEPOINT_EVENT_INSTANCE()` does not contain +the `TP_FIELDS()` macro, because they are defined at the +`TRACEPOINT_EVENT_CLASS()` level. + +See the <> section below for a complete example. + + +[[tracepoint-loglevel]] +`TRACEPOINT_LOGLEVEL()` usage +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Optionally, a *log level* can be assigned to a defined tracepoint. +Assigning different levels of severity to tracepoints can be useful: +when controlling tracing sessions, you can choose to only enable +events falling into a specific log level range using the +nloption:--loglevel and nloption:--loglevel-only options of the +man:lttng-enable-event(1) command. + +Log levels are assigned to tracepoints that are already defined using +the `TRACEPOINT_LOGLEVEL()` macro. The latter must be used after having +used `TRACEPOINT_EVENT()` or `TRACEPOINT_EVENT_INSTANCE()` for a given +tracepoint. The `TRACEPOINT_LOGLEVEL()` macro is used as follows: + +------------------------------------------------------------------------ +TRACEPOINT_LOGLEVEL( + /* Tracepoint provider name */ + my_provider, + + /* Tracepoint/event name */ + my_tracepoint, + + /* Log level */ + TRACE_INFO +) +------------------------------------------------------------------------ + +The available log level definitions are: + +include::log-levels.txt[] + +See the <> section below for a complete example. + + +[[tracepoint]] +Instrumenting your application +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Once the tracepoint provider is created (see the +<> section above), you can +instrument your application with the defined tracepoints thanks to the +`tracepoint()` macro: + +[verse] +#define *tracepoint*('prov_name', 't_name', ...) + +With: + +'prov_name':: + Tracepoint provider name. + +'t_name':: + Tracepoint/event name. + +`...`:: + Tracepoint arguments, if any. + +Make sure to include the tracepoint provider header file anywhere you +use `tracepoint()` for this provider. + +NOTE: Even though LTTng-UST supports `tracepoint()` call site duplicates +having the same provider and tracepoint names, it is recommended to use +a provider/tracepoint name pair only once within the application source +code to help map events back to their call sites when analyzing the +trace. + +Sometimes, arguments to the tracepoint are expensive to compute (take +call stack, for example). To avoid the computation when the tracepoint +is disabled, you can use the `tracepoint_enabled()` and +`do_tracepoint()` macros: + +[verse] +#define *tracepoint_enabled*('prov_name', 't_name') +#define *do_tracepoint*('prov_name', 't_name', ...) + +`tracepoint_enabled()` returns a non-zero value if the tracepoint +named 't_name' from the provider named 'prov_name' is enabled at +run time. + +`do_tracepoint()` is like `tracepoint()`, except that it doesn't check +if the tracepoint is enabled. Using `tracepoint()` with +`tracepoint_enabled()` is dangerous since `tracepoint()` also contains +the `tracepoint_enabled()` check, thus a race condition is possible +in this situation: + +------------------------------------------------------------------------ +if (tracepoint_enabled(my_provider, my_tracepoint)) { + stuff = prepare_stuff(); +} + +tracepoint(my_provider, my_tracepoint, stuff); +------------------------------------------------------------------------ + +If the tracepoint is enabled after the condition, then `stuff` is not +prepared: the emitted event will either contain wrong data, or the +whole application could crash (segmentation fault, for example). + +NOTE: Neither `tracepoint_enabled()` nor `do_tracepoint()` have +a `STAP_PROBEV()` call, so if you need it, you should emit this call +yourself. + + +[[build-static]] +Statically linking the tracepoint provider +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +With the static linking method, compiled tracepoint providers are copied +into the target application. + +Define `TRACEPOINT_DEFINE` definition below the +`TRACEPOINT_CREATE_PROBES` definition in the tracepoint provider +source: + +------------------------------------------------------------------------ +#define TRACEPOINT_CREATE_PROBES +#define TRACEPOINT_DEFINE + +#include "tp.h" +------------------------------------------------------------------------ + +Create the tracepoint provider object file: + +[role="term"] +-------------- +cc -c -I. tp.c +-------------- + +NOTE: Although an application instrumented with LTTng-UST tracepoints +can be compiled with a C++ compiler, tracepoint probes should be +compiled with a C compiler. + +At this point, you _can_ archive this tracepoint provider object file, +possibly with other object files of your application or with other +tracepoint provider object files, as a static library: + +[role="term"] +--------------- +ar rc tp.a tp.o +--------------- + +Using a static library does have the advantage of centralising the +tracepoint providers objects so they can be shared between multiple +applications. This way, when the tracepoint provider is modified, the +source code changes don't have to be patched into each application's +source code tree. The applications need to be relinked after each +change, but need not to be otherwise recompiled (unless the tracepoint +provider's API changes). + +Then, link your application with this object file (or with the static +library containing it) and with `liblttng-ust` and `libdl` +(`libc` on a BSD system): + +[role="term"] +------------------------------------- +cc -o app tp.o app.o -llttng-ust -ldl +------------------------------------- + + +[[build-dynamic]] +Dynamically loading the tracepoint provider +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +The second approach to package the tracepoint provider is to use the +dynamic loader: the library and its member functions are explicitly +sought, loaded at run time. + +In this scenario, the tracepoint provider is compiled as a shared +object. + +The process to create the tracepoint provider shared object is pretty +much the same as the <>, except +that: + + * Since the tracepoint provider is not part of the application, + `TRACEPOINT_DEFINE` must be defined, for each tracepoint + provider, in exactly one source file of the + _application_ + * `TRACEPOINT_PROBE_DYNAMIC_LINKAGE` must be defined next + to `TRACEPOINT_DEFINE` + +Regarding `TRACEPOINT_DEFINE` and `TRACEPOINT_PROBE_DYNAMIC_LINKAGE`, +the recommended practice is to use a separate C source file in your +application to define them, then include the tracepoint provider header +files afterwards. For example, as `tp-define.c`: + +------------------------------------------------------------------------ +#define TRACEPOINT_DEFINE +#define TRACEPOINT_PROBE_DYNAMIC_LINKAGE + +#include "tp.h" +------------------------------------------------------------------------ + +The tracepoint provider object file used to create the shared library is +built like it is using the static linking method, but with the +nloption:-fpic option: + +[role="term"] +-------------------- +cc -c -fpic -I. tp.c +-------------------- + +It is then linked as a shared library like this: + +[role="term"] +------------------------------------------------------- +cc -shared -Wl,--no-as-needed -o tp.so tp.o -llttng-ust +------------------------------------------------------- + +This tracepoint provider shared object isn't linked with the user +application: it must be loaded manually. This is why the application is +built with no mention of this tracepoint provider, but still needs +libdl: + +[role="term"] +-------------------------------- +cc -o app app.o tp-define.o -ldl +-------------------------------- + +There are two ways to dynamically load the tracepoint provider shared +object: + + * Load it manually from the application using man:dlopen(3) + * Make the dynamic loader load it with the `LD_PRELOAD` + environment variable (see man:ld.so(8)) + +If the application does not dynamically load the tracepoint provider +shared object using one of the methods above, tracing is disabled for +this application, and the events are not listed in the output of +man:lttng-list(1). + +Note that it is not safe to use man:dlclose(3) on a tracepoint provider +shared object that is being actively used for tracing, due to a lack of +reference counting from LTTng-UST to the shared object. + +For example, statically linking a tracepoint provider to a shared object +which is to be dynamically loaded by an application (a plugin, for +example) is not safe: the shared object, which contains the tracepoint +provider, could be dynamically closed (man:dlclose(3)) at any time by +the application. + +To instrument a shared object, either: + + * Statically link the tracepoint provider to the application, or + * Build the tracepoint provider as a shared object (following the + procedure shown in this section), and preload it when tracing is + needed using the `LD_PRELOAD` environment variable. + + +Using LTTng-UST with daemons +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Some extra care is needed when using `liblttng-ust` with daemon +applications that call man:fork(2), man:clone(2), or BSD's man:rfork(2) +without a following man:exec(3) family system call. The library +`liblttng-ust-fork.so` needs to be preloaded before starting the +application with the `LD_PRELOAD` environment variable (see +man:ld.so(8)). + + +Context information +~~~~~~~~~~~~~~~~~~~ +Context information can be prepended by the LTTng-UST tracer before +each event, or before specific events. + +Context fields can be added to specific channels using +man:lttng-add-context(1). + +The following context fields are supported by LTTng-UST: + +`cpu_id`:: + CPU ID. ++ +NOTE: This context field is always enabled, and it cannot be added +with man:lttng-add-context(1). Its main purpose is to be used for +dynamic event filtering. See man:lttng-enable-event(1) for more +information about event filtering. + +`ip`:: + Instruction pointer: enables recording the exact address from which + an event was emitted. This context field can be used to + reverse-lookup the source location that caused the event + to be emitted. + ++perf:thread:COUNTER+:: + perf counter named 'COUNTER'. Use `lttng add-context --list` to + list the available perf counters. ++ +Only available on IA-32 and x86-64 architectures. + +`pthread_id`:: + POSIX thread identifier. Can be used on architectures where + `pthread_t` maps nicely to an `unsigned long` type. + +`procname`:: + Thread name, as set by man:exec(3) or man:prctl(2). It is + recommended that programs set their thread name with man:prctl(2) + before hitting the first tracepoint for that thread. + +`vpid`:: + Virtual process ID: process ID as seen from the point of view of + the process namespace. + +`vtid`:: + Virtual thread ID: thread ID as seen from the point of view of + the process namespace. + + +[[state-dump]] +LTTng-UST state dump +~~~~~~~~~~~~~~~~~~~~ +If an application that uses `liblttng-ust` becomes part of a tracing +session, information about its currently loaded shared objects, their +build IDs, and their debug link informations are emitted as events +by the tracer. + +The following LTTng-UST state dump events exist and must be enabled +to record application state dumps. + +`lttng_ust_statedump:start`:: + Emitted when the state dump begins. ++ +This event has no fields. + +`lttng_ust_statedump:end`:: + Emitted when the state dump ends. Once this event is emitted, it + is guaranteed that, for a given process, the state dump is + complete. ++ +This event has no fields. + +`lttng_ust_statedump:bin_info`:: + Emitted when information about a currently loaded executable or + shared object is found. ++ +Fields: ++ +[options="header"] +|================================================================== +| Field name | Description +| `baddr` | Base address of loaded executable +| `memsz` | Size of loaded executable in memory +| `path` | Path to loaded executable file +| `is_pic` | Whether the executable is + position-independent code +|================================================================== + +`lttng_ust_statedump:build_id`:: + Emitted when a build ID is found in a currently loaded shared + library. See + https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html[Debugging Information in Separate Files] + for more information about build IDs. ++ +Fields: ++ +[options="header"] +|============================================================== +| Field name | Description +| `baddr` | Base address of loaded library +| `build_id` | Build ID +|============================================================== + +`lttng_ust_statedump:debug_link`:: + Emitted when debug link information is found in a currently loaded + shared library. See + https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html[Debugging Information in Separate Files] + for more information about debug links. ++ +Fields: ++ +[options="header"] +|============================================================== +| Field name | Description +| `baddr` | Base address of loaded library +| `crc` | Debug link file's CRC +| `filename` | Debug link file name +|============================================================== + + +[[example]] +EXAMPLE +------- +NOTE: A few examples are available in the +https://github.com/lttng/lttng-ust/tree/master/doc/examples[`doc/examples`] +directory of LTTng-UST's source tree. + +This example shows all the features documented in the previous +sections. The <> method is chosen here +to link the application with the tracepoint provider. + +You can compile the source files and link them together statically +like this: + +[role="term"] +------------------------------------- +cc -c -I. tp.c +cc -c app.c +cc -o app tp.o app.o -llttng-ust -ldl +------------------------------------- + +Using the man:lttng(1) tool, create an LTTng tracing session, enable +all the events of this tracepoint provider, and start tracing: + +[role="term"] +---------------------------------------------- +lttng create my-session +lttng enable-event --userspace 'my_provider:*' +lttng start +---------------------------------------------- + +You may also enable specific events: + +[role="term"] +---------------------------------------------------------- +lttng enable-event --userspace my_provider:big_event +lttng enable-event --userspace my_provider:event_instance2 +---------------------------------------------------------- + +Run the application: + +[role="term"] +-------------------- +./app some arguments +-------------------- + +Stop the current tracing session and inspect the recorded events: + +[role="term"] +---------- +lttng stop +lttng view +---------- + + +Tracepoint provider header file +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +`tp.h`: + +------------------------------------------------------------------------ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER my_provider + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./tp.h" + +#if !defined(_TP_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TP_H + +#include +#include + +#include "app.h" + +TRACEPOINT_EVENT( + my_provider, + simple_event, + TP_ARGS( + int, my_integer_arg, + const char *, my_string_arg + ), + TP_FIELDS( + ctf_string(argc, my_string_arg) + ctf_integer(int, argv, my_integer_arg) + ) +) + +TRACEPOINT_ENUM( + my_provider, + my_enum, + TP_ENUM_VALUES( + ctf_enum_value("ZERO", 0) + ctf_enum_value("ONE", 1) + ctf_enum_value("TWO", 2) + ctf_enum_range("A RANGE", 52, 125) + ctf_enum_value("ONE THOUSAND", 1000) + ) +) + +TRACEPOINT_EVENT( + my_provider, + big_event, + TP_ARGS( + int, my_integer_arg, + const char *, my_string_arg, + FILE *, stream, + double, flt_arg, + int *, array_arg + ), + TP_FIELDS( + ctf_integer(int, int_field1, my_integer_arg * 2) + ctf_integer_hex(long int, stream_pos, ftell(stream)) + ctf_float(double, float_field, flt_arg) + ctf_string(string_field, my_string_arg) + ctf_array(int, array_field, array_arg, 7) + ctf_array_text(char, array_text_field, array_arg, 5) + ctf_sequence(int, seq_field, array_arg, int, + my_integer_arg / 10) + ctf_sequence_text(char, seq_text_field, array_arg, + int, my_integer_arg / 5) + ctf_enum(my_provider, my_enum, int, + enum_field, array_arg[1]) + ) +) + +TRACEPOINT_LOGLEVEL(my_provider, big_event, TRACE_WARNING) + +TRACEPOINT_EVENT_CLASS( + my_provider, + my_tracepoint_class, + TP_ARGS( + int, my_integer_arg, + struct app_struct *, app_struct_arg + ), + TP_FIELDS( + ctf_integer(int, a, my_integer_arg) + ctf_integer(unsigned long, b, app_struct_arg->b) + ctf_string(c, app_struct_arg->c) + ) +) + +TRACEPOINT_EVENT_INSTANCE( + my_provider, + my_tracepoint_class, + event_instance1, + TP_ARGS( + int, my_integer_arg, + struct app_struct *, app_struct_arg + ) +) + +TRACEPOINT_EVENT_INSTANCE( + my_provider, + my_tracepoint_class, + event_instance2, + TP_ARGS( + int, my_integer_arg, + struct app_struct *, app_struct_arg + ) +) + +TRACEPOINT_LOGLEVEL(my_provider, event_instance2, TRACE_INFO) + +TRACEPOINT_EVENT_INSTANCE( + my_provider, + my_tracepoint_class, + event_instance3, + TP_ARGS( + int, my_integer_arg, + struct app_struct *, app_struct_arg + ) +) + +#endif /* _TP_H */ + +#include +------------------------------------------------------------------------ + + +Tracepoint provider source file +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +`tp.c`: + +------------------------------------------------------------------------ +#define TRACEPOINT_CREATE_PROBES +#define TRACEPOINT_DEFINE + +#include "tp.h" +------------------------------------------------------------------------ + + +Application header file +~~~~~~~~~~~~~~~~~~~~~~~ +`app.h`: + +------------------------------------------------------------------------ +#ifndef _APP_H +#define _APP_H + +struct app_struct { + unsigned long b; + const char *c; + double d; +}; + +#endif /* _APP_H */ +------------------------------------------------------------------------ + + +Application source file +~~~~~~~~~~~~~~~~~~~~~~~ +`app.c`: + +------------------------------------------------------------------------ +#include +#include + +#include "tp.h" +#include "app.h" + +static int array_of_ints[] = { + 100, -35, 1, 23, 14, -6, 28, 1001, -3000, +}; + +int main(int argc, char* argv[]) +{ + FILE *stream; + struct app_struct app_struct; + + tracepoint(my_provider, simple_event, argc, argv[0]); + stream = fopen("/tmp/app.txt", "w"); + + if (!stream) { + fprintf(stderr, + "Error: Cannot open /tmp/app.txt for writing\n"); + return EXIT_FAILURE; + } + + if (fprintf(stream, "0123456789") != 10) { + fclose(stream); + fprintf(stderr, "Error: Cannot write to /tmp/app.txt\n"); + return EXIT_FAILURE; + } + + tracepoint(my_provider, big_event, 35, "hello tracepoint", + stream, -3.14, array_of_ints); + fclose(stream); + app_struct.b = argc; + app_struct.c = "[the string]"; + tracepoint(my_provider, event_instance1, 23, &app_struct); + app_struct.b = argc * 5; + app_struct.c = "[other string]"; + tracepoint(my_provider, event_instance2, 17, &app_struct); + app_struct.b = 23; + app_struct.c = "nothing"; + tracepoint(my_provider, event_instance3, -52, &app_struct); + + return EXIT_SUCCESS; +} +------------------------------------------------------------------------ + + +ENVIRONMENT VARIABLES +--------------------- +`LTTNG_HOME`:: + Alternative user's home directory. This variable is useful when the + user running the instrumented application has a non-writable home + directory. ++ +Unix sockets used for the communication between `liblttng-ust` and the +LTTng session and consumer daemons (part of the LTTng-tools project) +are located in a specific directory under `$LTTNG_HOME` (or `$HOME` if +`$LTTNG_HOME` is not set). + +`LTTNG_UST_CLOCK_PLUGIN`:: + Path to the shared object which acts as the clock override plugin. + An example of such a plugin can be found in the LTTng-UST + documentation under + https://github.com/lttng/lttng-ust/tree/master/doc/examples/clock-override[`examples/clock-override`]. + +`LTTNG_UST_DEBUG`:: + Activates `liblttng-ust`'s debug and error output if set to `1`. + +`LTTNG_UST_GETCPU_PLUGIN`:: + Path to the shared object which acts as the `getcpu()` override + plugin. An example of such a plugin can be found in the LTTng-UST + documentation under + https://github.com/lttng/lttng-ust/tree/master/doc/examples/getcpu-override[`examples/getcpu-override`]. + +`LTTNG_UST_REGISTER_TIMEOUT`:: + Waiting time for the _registration done_ session daemon command + before proceeding to execute the main program (milliseconds). ++ +The value `0` means _do not wait_. The value `-1` means _wait forever_. +Setting this environment variable to `0` is recommended for applications +with time constraints on the process startup time. ++ +Default: {lttng_ust_register_timeout}. + +`LTTNG_UST_WITHOUT_BADDR_STATEDUMP`:: + Prevents `liblttng-ust` from performing a base address state dump + (see the <> section above) if + set to `1`. + + +include::common-footer.txt[] + +include::common-copyrights.txt[] + +include::common-authors.txt[] + + +SEE ALSO +-------- +man:tracef(3), +man:tracelog(3), +man:lttng-gen-tp(1), +man:lttng-ust-dl(3), +man:lttng-ust-cyg-profile(3), +man:lttng(1), +man:lttng-enable-event(1), +man:lttng-list(1), +man:lttng-add-context(1), +man:babeltrace(1), +man:dlopen(3), +man:ld.so(8) diff --git a/doc/man/tracef-tracelog-limitations.txt b/doc/man/tracef-tracelog-limitations.txt new file mode 100644 index 0000000..a949190 --- /dev/null +++ b/doc/man/tracef-tracelog-limitations.txt @@ -0,0 +1,24 @@ +The +{macro-name}()+ utility macro was developed to make user space +tracing super simple, albeit with notable disadvantages compared to +custom, full-fledged tracepoint providers: + + * All generated events have the same provider/event names. + * There's no static type checking. + * The only event field with user data you actually get, named `msg`, + is a string potentially containing the values you passed to the + macro using your own format. This also means that you cannot use + filtering using a custom expression at run time because there are no + isolated fields. + * Since +{macro-name}()+ uses C standard library's man:vasprintf(3) + function in the background to format the strings at run time, its + expected performance is lower than using custom tracepoint providers + with typed fields, which do not require a conversion to a string. + * Generally, a string containing the textual representation of the + user data fields is not as compact as binary fields in the + resulting trace. + +Thus, +{macro-name}()+ is useful for quick prototyping and debugging, but +should not be considered for any permanent/serious application +instrumentation. + +See man:lttng-ust(3) to learn more about custom tracepoint providers. diff --git a/doc/man/tracef.3 b/doc/man/tracef.3 new file mode 100644 index 0000000..d8693fe --- /dev/null +++ b/doc/man/tracef.3 @@ -0,0 +1,300 @@ +'\" t +.\" Title: tracef +.\" Author: [see the "AUTHORS" section] +.\" Generator: DocBook XSL Stylesheets v1.78.1 +.\" Date: 06/05/2016 +.\" Manual: LTTng Manual +.\" Source: LTTng 2.9.0-pre +.\" Language: English +.\" +.TH "TRACEF" "3" "06/05/2016" "LTTng 2\&.9\&.0\-pre" "LTTng Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +tracef \- LTTng\-UST printf(3)\-like interface +.SH "SYNOPSIS" +.sp +.nf +\fB#include \fR +.fi +.sp +.nf +#define \fBtracef\fR(\fIfmt\fR, \&...) +.fi +.sp +Link with \fB-llttng-ust\fR\&. +.SH "DESCRIPTION" +.sp +The LTTng\-UST \fBtracef()\fR API allows you to trace your application with the help of a simple \fBprintf\fR(3)\-like macro\&. The \fIfmt\fR argument is passed directly to the \fIfmt\fR parameter of \fBvasprintf\fR(3), as well as the optional parameters following \fIfmt\fR\&. +.sp +To use \fBtracef()\fR, include \fB\fR where you need it, and link your application with \fBliblttng-ust\fR\&. See the \fIEXAMPLE\fR section below for a complete usage example\&. +.sp +Once your application is instrumented with \fBtracef()\fR calls and ready to run, use \fBlttng-enable-event\fR(1) to enable the \fBlttng_ust_tracef:*\fR event\&. +.sp +The \fBtracef()\fR events contain a single field, named \fBmsg\fR, which is the formatted string output\&. +.sp +If you need to attach a specific log level to a \fBtracef()\fR call, use \fBtracelog\fR(3) instead\&. +.sp +See also the \fILIMITATIONS\fR section below for important limitations to consider when using \fBtracef()\fR\&. +.SH "EXAMPLE" +.sp +Here\(cqs a usage example of \fBtracef()\fR: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#include +#include + +int main(void) +{ + int i; + + for (i = 0; i < 25; i++) { + tracef("my message: %s, this integer: %d", "a message", i); + } + + return EXIT_SUCCESS; +} +.fi +.if n \{\ +.RE +.\} +.sp +This C source file, saved as \fBapp.c\fR, can be compiled into a program like this: +.sp +.if n \{\ +.RS 4 +.\} +.nf +cc \-o app app\&.c \-llttng\-ust +.fi +.if n \{\ +.RE +.\} +.sp +You can create an LTTng tracing session, enable the \fBtracef()\fR events, and start the created tracing session like this: +.sp +.if n \{\ +.RS 4 +.\} +.nf +lttng create my\-session +lttng enable\-event \-\-userspace \*(Aqlttng_ust_tracef:*\*(Aq +lttng start +.fi +.if n \{\ +.RE +.\} +.sp +Next, start the program to be traced: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\&./app +.fi +.if n \{\ +.RE +.\} +.sp +Finally, stop the tracing session, and inspect the recorded events: +.sp +.if n \{\ +.RS 4 +.\} +.nf +lttng stop +lttng view +.fi +.if n \{\ +.RE +.\} +.SH "LIMITATIONS" +.sp +The \fBtracef()\fR utility macro was developed to make user space tracing super simple, albeit with notable disadvantages compared to custom, full\-fledged tracepoint providers: +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +All generated events have the same provider/event names\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +There\(cqs no static type checking\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +The only event field with user data you actually get, named +\fBmsg\fR, is a string potentially containing the values you passed to the macro using your own format\&. This also means that you cannot use filtering using a custom expression at run time because there are no isolated fields\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Since +\fBtracef()\fR +uses C standard library\(cqs +\fBvasprintf\fR(3) +function in the background to format the strings at run time, its expected performance is lower than using custom tracepoint providers with typed fields, which do not require a conversion to a string\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Generally, a string containing the textual representation of the user data fields is not as compact as binary fields in the resulting trace\&. +.RE +.sp +Thus, \fBtracef()\fR is useful for quick prototyping and debugging, but should not be considered for any permanent/serious application instrumentation\&. +.sp +See \fBlttng-ust\fR(3) to learn more about custom tracepoint providers\&. +.SH "BUGS" +.sp +If you encounter any issue or usability problem, please report it on the LTTng bug tracker \&. +.SH "RESOURCES" +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +LTTng project website +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +LTTng documentation +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Git repositories +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +GitHub organization +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Continuous integration +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Mailing list +for support and development: +\fBlttng-dev@lists.lttng.org\fR +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +IRC channel : +\fB#lttng\fR +on +\fBirc.oftc.net\fR +.RE +.SH "COPYRIGHTS" +.sp +This macro is part of the LTTng\-UST project\&. +.sp +This macro is distributed under the GNU Lesser General Public License, version 2\&.1 \&. See the \fBCOPYING\fR file for more details\&. +.SH "THANKS" +.sp +Thanks to Ericsson for funding this work, providing real\-life use cases, and testing\&. +.sp +Special thanks to Michel Dagenais and the DORSAL laboratory at \('Ecole Polytechnique de Montr\('eal for the LTTng journey\&. +.SH "AUTHORS" +.sp +LTTng\-UST was originally written by Mathieu Desnoyers, with additional contributions from various other people\&. It is currently maintained by Mathieu Desnoyers \&. +.SH "SEE ALSO" +.sp +\fBtracelog\fR(3), \fBlttng-ust\fR(3), \fBlttng\fR(1), \fBprintf\fR(3) diff --git a/doc/man/tracef.3.txt b/doc/man/tracef.3.txt new file mode 100644 index 0000000..7cab981 --- /dev/null +++ b/doc/man/tracef.3.txt @@ -0,0 +1,122 @@ +tracef(3) +========= +:object-type: macro + + +NAME +---- +tracef - LTTng-UST printf(3)-like interface + + +SYNOPSIS +-------- +[verse] +*#include * + +[verse] +#define *tracef*('fmt', ...) + +Link with `-llttng-ust`. + + +DESCRIPTION +----------- +The LTTng-UST `tracef()` API allows you to trace your application with +the help of a simple man:printf(3)-like macro. The 'fmt' argument is +passed directly to the 'fmt' parameter of man:vasprintf(3), as well as +the optional parameters following 'fmt'. + +To use `tracef()`, include `` where you need it, and +link your application with `liblttng-ust`. See the <> +section below for a complete usage example. + +Once your application is instrumented with `tracef()` calls and +ready to run, use man:lttng-enable-event(1) to enable the +`lttng_ust_tracef:*` event. + +The `tracef()` events contain a single field, named `msg`, which is the +formatted string output. + +If you need to attach a specific log level to a `tracef()` call, use +man:tracelog(3) instead. + +See also the <> section below for important +limitations to consider when using `tracef()`. + + +[[example]] +EXAMPLE +------- +Here's a usage example of `tracef()`: + +------------------------------------------------------------------- +#include +#include + +int main(void) +{ + int i; + + for (i = 0; i < 25; i++) { + tracef("my message: %s, this integer: %d", "a message", i); + } + + return EXIT_SUCCESS; +} +------------------------------------------------------------------- + +This C source file, saved as `app.c`, can be compiled into a program +like this: + +[role="term"] +--------------------------- +cc -o app app.c -llttng-ust +--------------------------- + +You can create an LTTng tracing session, enable the `tracef()` events, +and start the created tracing session like this: + +[role="term"] +--------------------------------------------------- +lttng create my-session +lttng enable-event --userspace 'lttng_ust_tracef:*' +lttng start +--------------------------------------------------- + +Next, start the program to be traced: + +[role="term"] +----- +./app +----- + +Finally, stop the tracing session, and inspect the recorded events: + +[role="term"] +---------- +lttng stop +lttng view +---------- + + +[[limitations]] +LIMITATIONS +----------- +:macro-name: tracef + +include::tracef-tracelog-limitations.txt[] + + +include::common-footer.txt[] + +include::common-copyrights.txt[] + +include::common-authors.txt[] + + +SEE ALSO +-------- +man:tracelog(3), +man:lttng-ust(3), +man:lttng(1), +man:printf(3) diff --git a/doc/man/tracelog.3 b/doc/man/tracelog.3 new file mode 100644 index 0000000..a5d5336 --- /dev/null +++ b/doc/man/tracelog.3 @@ -0,0 +1,444 @@ +'\" t +.\" Title: tracelog +.\" Author: [see the "AUTHORS" section] +.\" Generator: DocBook XSL Stylesheets v1.78.1 +.\" Date: 06/05/2016 +.\" Manual: LTTng Manual +.\" Source: LTTng 2.9.0-pre +.\" Language: English +.\" +.TH "TRACELOG" "3" "06/05/2016" "LTTng 2\&.9\&.0\-pre" "LTTng Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +tracelog \- LTTng\-UST printf(3)\-like interface with a log level +.SH "SYNOPSIS" +.sp +.nf +\fB#include \fR +.fi +.sp +.nf +#define \fBtracelog\fR(\fIlevel\fR, \fIfmt\fR, \&...) +.fi +.sp +Link with \fB-llttng-ust\fR\&. +.SH "DESCRIPTION" +.sp +The LTTng\-UST \fBtracelog()\fR API allows you to trace your application with the help of a simple \fBprintf\fR(3)\-like macro, with an additional parameter for the desired log level\&. The \fIfmt\fR argument is passed directly to the \fIfmt\fR parameter of \fBvasprintf\fR(3), as well as the optional parameters following \fIfmt\fR\&. +.sp +The purpose of \fBtracelog()\fR is to ease the migration from logging to tracing\&. +.sp +The available values for the \fIlevel\fR parameter are: +.PP +\fBTRACE_EMERG\fR +.RS 4 +System is unusable\&. +.RE +.PP +\fBTRACE_ALERT\fR +.RS 4 +Action must be taken immediately\&. +.RE +.PP +\fBTRACE_CRIT\fR +.RS 4 +Critical conditions\&. +.RE +.PP +\fBTRACE_ERR\fR +.RS 4 +Error conditions\&. +.RE +.PP +\fBTRACE_WARNING\fR +.RS 4 +Warning conditions\&. +.RE +.PP +\fBTRACE_NOTICE\fR +.RS 4 +Normal, but significant, condition\&. +.RE +.PP +\fBTRACE_INFO\fR +.RS 4 +Informational message\&. +.RE +.PP +\fBTRACE_DEBUG_SYSTEM\fR +.RS 4 +Debug information with system\-level scope (set of programs)\&. +.RE +.PP +\fBTRACE_DEBUG_PROGRAM\fR +.RS 4 +Debug information with program\-level scope (set of processes)\&. +.RE +.PP +\fBTRACE_DEBUG_PROCESS\fR +.RS 4 +Debug information with process\-level scope (set of modules)\&. +.RE +.PP +\fBTRACE_DEBUG_MODULE\fR +.RS 4 +Debug information with module (executable/library) scope (set of units)\&. +.RE +.PP +\fBTRACE_DEBUG_UNIT\fR +.RS 4 +Debug information with compilation unit scope (set of functions)\&. +.RE +.PP +\fBTRACE_DEBUG_FUNCTION\fR +.RS 4 +Debug information with function\-level scope\&. +.RE +.PP +\fBTRACE_DEBUG_LINE\fR +.RS 4 +Debug information with line\-level scope (default log level)\&. +.RE +.PP +\fBTRACE_DEBUG\fR +.RS 4 +Debug\-level message\&. +.RE +.sp +To use \fBtracelog()\fR, include \fB\fR where you need it, and link your application with \fBliblttng-ust\fR\&. See the \fIEXAMPLE\fR section below for a complete usage example\&. +.sp +Once your application is instrumented with \fBtracelog()\fR calls and ready to run, use \fBlttng-enable-event\fR(1) to enable the \fBlttng_ust_tracelog:*\fR event\&. You can isolate specific log levels with the \fB--loglevel\fR and \fB--loglevel-only\fR options of this command\&. +.sp +The \fBtracelog()\fR events contain the following fields: +.TS +allbox tab(:); +ltB ltB. +T{ +Field name +T}:T{ +Description +T} +.T& +lt lt +lt lt +lt lt +lt lt. +T{ +.sp +\fBline\fR +T}:T{ +.sp +Line in source file where \fBtracelog()\fR was called +T} +T{ +.sp +\fBfile\fR +T}:T{ +.sp +Source file from which \fBtracelog()\fR was called +T} +T{ +.sp +\fBfunc\fR +T}:T{ +.sp +Function name from which \fBtracelog()\fR was called +T} +T{ +.sp +\fBmsg\fR +T}:T{ +.sp +Formatted string output +T} +.TE +.sp 1 +.sp +If you do not need to attach a specific log level to a \fBtracelog()\fR call, use \fBtracef\fR(3) instead\&. +.sp +See also the \fILIMITATIONS\fR section below for important limitations to consider when using \fBtracelog()\fR\&. +.SH "EXAMPLE" +.sp +Here\(cqs a usage example of \fBtracelog()\fR: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#include +#include + +int main(int argc, char *argv[]) +{ + int i; + + if (argc < 2) { + tracelog(TRACE_CRIT, "Not enough arguments: %d", argc); + return EXIT_FAILURE; + } + + tracelog(TRACE_INFO, "Starting app with %d arguments", argc); + + for (i = 0; i < argc; i++) { + tracelog(TRACE_DEBUG, "Argument %d: %s", i, argv[i]); + } + + tracelog(TRACE_INFO, "Exiting app"); + + return EXIT_SUCCESS; +} +.fi +.if n \{\ +.RE +.\} +.sp +This C source file, saved as \fBapp.c\fR, can be compiled into a program like this: +.sp +.if n \{\ +.RS 4 +.\} +.nf +cc \-o app app\&.c \-llttng\-ust +.fi +.if n \{\ +.RE +.\} +.sp +You can create an LTTng tracing session, enable all the \fBtracelog()\fR events, and start the created tracing session like this: +.sp +.if n \{\ +.RS 4 +.\} +.nf +lttng create my\-session +lttng enable\-event \-\-userspace \*(Aqlttng_ust_tracelog:*\*(Aq +lttng start +.fi +.if n \{\ +.RE +.\} +.sp +Or you can enable \fBtracelog()\fR events matching a log level at least as severe as a given log level: +.sp +.if n \{\ +.RS 4 +.\} +.nf +lttng enable\-event \-\-userspace \*(Aqlttng_ust_tracelog:*\*(Aq \e + \-\-loglevel=TRACE_INFO +.fi +.if n \{\ +.RE +.\} +.sp +Next, start the program to be traced: +.sp +.if n \{\ +.RS 4 +.\} +.nf +\&./app a few arguments passed to this application +.fi +.if n \{\ +.RE +.\} +.sp +Finally, stop the tracing session, and inspect the recorded events: +.sp +.if n \{\ +.RS 4 +.\} +.nf +lttng stop +lttng view +.fi +.if n \{\ +.RE +.\} +.SH "LIMITATIONS" +.sp +The \fBtracelog()\fR utility macro was developed to make user space tracing super simple, albeit with notable disadvantages compared to custom, full\-fledged tracepoint providers: +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +All generated events have the same provider/event names\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +There\(cqs no static type checking\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +The only event field with user data you actually get, named +\fBmsg\fR, is a string potentially containing the values you passed to the macro using your own format\&. This also means that you cannot use filtering using a custom expression at run time because there are no isolated fields\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Since +\fBtracelog()\fR +uses C standard library\(cqs +\fBvasprintf\fR(3) +function in the background to format the strings at run time, its expected performance is lower than using custom tracepoint providers with typed fields, which do not require a conversion to a string\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Generally, a string containing the textual representation of the user data fields is not as compact as binary fields in the resulting trace\&. +.RE +.sp +Thus, \fBtracelog()\fR is useful for quick prototyping and debugging, but should not be considered for any permanent/serious application instrumentation\&. +.sp +See \fBlttng-ust\fR(3) to learn more about custom tracepoint providers\&. +.SH "BUGS" +.sp +If you encounter any issue or usability problem, please report it on the LTTng bug tracker \&. +.SH "RESOURCES" +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +LTTng project website +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +LTTng documentation +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Git repositories +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +GitHub organization +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Continuous integration +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Mailing list +for support and development: +\fBlttng-dev@lists.lttng.org\fR +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +IRC channel : +\fB#lttng\fR +on +\fBirc.oftc.net\fR +.RE +.SH "COPYRIGHTS" +.sp +This macro is part of the LTTng\-UST project\&. +.sp +This macro is distributed under the GNU Lesser General Public License, version 2\&.1 \&. See the \fBCOPYING\fR file for more details\&. +.SH "THANKS" +.sp +Thanks to Ericsson for funding this work, providing real\-life use cases, and testing\&. +.sp +Special thanks to Michel Dagenais and the DORSAL laboratory at \('Ecole Polytechnique de Montr\('eal for the LTTng journey\&. +.SH "AUTHORS" +.sp +LTTng\-UST was originally written by Mathieu Desnoyers, with additional contributions from various other people\&. It is currently maintained by Mathieu Desnoyers \&. +.SH "SEE ALSO" +.sp +\fBtracef\fR(3), \fBlttng-ust\fR(3), \fBlttng\fR(1), \fBprintf\fR(3) diff --git a/doc/man/tracelog.3.txt b/doc/man/tracelog.3.txt new file mode 100644 index 0000000..43ba934 --- /dev/null +++ b/doc/man/tracelog.3.txt @@ -0,0 +1,158 @@ +tracelog(3) +=========== +:object-type: macro + + +NAME +---- +tracelog - LTTng-UST printf(3)-like interface with a log level + + +SYNOPSIS +-------- +[verse] +*#include * + +[verse] +#define *tracelog*('level', 'fmt', ...) + +Link with `-llttng-ust`. + + +DESCRIPTION +----------- +The LTTng-UST `tracelog()` API allows you to trace your application with +the help of a simple man:printf(3)-like macro, with an additional +parameter for the desired log level. The 'fmt' argument is passed +directly to the 'fmt' parameter of man:vasprintf(3), as well as +the optional parameters following 'fmt'. + +The purpose of `tracelog()` is to ease the migration from logging to +tracing. + +The available values for the 'level' parameter are: + +include::log-levels.txt[] + +To use `tracelog()`, include `` where you need it, and +link your application with `liblttng-ust`. See the <> +section below for a complete usage example. + +Once your application is instrumented with `tracelog()` calls and +ready to run, use man:lttng-enable-event(1) to enable the +`lttng_ust_tracelog:*` event. You can isolate specific log levels with +the nloption:--loglevel and nloption:--loglevel-only options of this +command. + +The `tracelog()` events contain the following fields: + +[options="header"] +|=============================================================== +| Field name | Description +| `line` | Line in source file where `tracelog()` was called +| `file` | Source file from which `tracelog()` was called +| `func` | Function name from which `tracelog()` was called +| `msg` | Formatted string output +|=============================================================== + +If you do not need to attach a specific log level to a `tracelog()` +call, use man:tracef(3) instead. + +See also the <> section below for important +limitations to consider when using `tracelog()`. + + +[[example]] +EXAMPLE +------- +Here's a usage example of `tracelog()`: + +------------------------------------------------------------------- +#include +#include + +int main(int argc, char *argv[]) +{ + int i; + + if (argc < 2) { + tracelog(TRACE_CRIT, "Not enough arguments: %d", argc); + return EXIT_FAILURE; + } + + tracelog(TRACE_INFO, "Starting app with %d arguments", argc); + + for (i = 0; i < argc; i++) { + tracelog(TRACE_DEBUG, "Argument %d: %s", i, argv[i]); + } + + tracelog(TRACE_INFO, "Exiting app"); + + return EXIT_SUCCESS; +} +------------------------------------------------------------------- + +This C source file, saved as `app.c`, can be compiled into a program +like this: + +[role="term"] +--------------------------- +cc -o app app.c -llttng-ust +--------------------------- + +You can create an LTTng tracing session, enable all the `tracelog()` +events, and start the created tracing session like this: + +[role="term"] +--------------------------------------------------- +lttng create my-session +lttng enable-event --userspace 'lttng_ust_tracelog:*' +lttng start +--------------------------------------------------- + +Or you can enable `tracelog()` events matching a log level at least +as severe as a given log level: + +[role="term"] +------------------------------------------------------- +lttng enable-event --userspace 'lttng_ust_tracelog:*' \ + --loglevel=TRACE_INFO +------------------------------------------------------- + +Next, start the program to be traced: + +[role="term"] +------------------------------------------------ +./app a few arguments passed to this application +------------------------------------------------ + +Finally, stop the tracing session, and inspect the recorded events: + +[role="term"] +---------- +lttng stop +lttng view +---------- + + +[[limitations]] +LIMITATIONS +----------- +:macro-name: tracelog + +include::tracef-tracelog-limitations.txt[] + + +include::common-footer.txt[] + +include::common-copyrights.txt[] + +include::common-authors.txt[] + + +SEE ALSO +-------- +man:tracef(3), +man:lttng-ust(3), +man:lttng(1), +man:printf(3) diff --git a/doc/man/tracepoint.3 b/doc/man/tracepoint.3 new file mode 100644 index 0000000..afb50be --- /dev/null +++ b/doc/man/tracepoint.3 @@ -0,0 +1 @@ +.so man3/lttng-ust.3 diff --git a/doc/man/tracepoint_enabled.3 b/doc/man/tracepoint_enabled.3 new file mode 100644 index 0000000..afb50be --- /dev/null +++ b/doc/man/tracepoint_enabled.3 @@ -0,0 +1 @@ +.so man3/lttng-ust.3 diff --git a/doc/man/xsl/manpage-bold-literal.xsl b/doc/man/xsl/manpage-bold-literal.xsl new file mode 100644 index 0000000..36dff92 --- /dev/null +++ b/doc/man/xsl/manpage-bold-literal.xsl @@ -0,0 +1,8 @@ + + + + \fB + + \fR + + diff --git a/doc/man/xsl/manpage-callouts.xsl b/doc/man/xsl/manpage-callouts.xsl new file mode 100644 index 0000000..2f7a5d7 --- /dev/null +++ b/doc/man/xsl/manpage-callouts.xsl @@ -0,0 +1,17 @@ + + + + + + + sp + + + + + + + + br + + diff --git a/doc/man/xsl/manpage-headings.xsl b/doc/man/xsl/manpage-headings.xsl new file mode 100644 index 0000000..70e44e1 --- /dev/null +++ b/doc/man/xsl/manpage-headings.xsl @@ -0,0 +1,6 @@ + + + + + + diff --git a/doc/man/xsl/manpage-links.xsl b/doc/man/xsl/manpage-links.xsl new file mode 100644 index 0000000..a92e209 --- /dev/null +++ b/doc/man/xsl/manpage-links.xsl @@ -0,0 +1,11 @@ + + + + <> + + + + + \fI\fR + + diff --git a/doc/man/xsl/manpage.xsl b/doc/man/xsl/manpage.xsl new file mode 100644 index 0000000..2c593c4 --- /dev/null +++ b/doc/man/xsl/manpage.xsl @@ -0,0 +1,9 @@ + + + + + + + + 0 + diff --git a/include/Makefile.am b/include/Makefile.am new file mode 100644 index 0000000..47c715b --- /dev/null +++ b/include/Makefile.am @@ -0,0 +1,48 @@ +nobase_include_HEADERS = \ + lttng/tracepoint.h \ + lttng/tracepoint-rcu.h \ + lttng/tracepoint-types.h \ + lttng/tracepoint-event.h \ + lttng/ust-tracepoint-event.h \ + lttng/ust-tracepoint-event-reset.h \ + lttng/ust-tracepoint-event-write.h \ + lttng/ust-tracepoint-event-nowrite.h \ + lttng/ust-events.h \ + lttng/ust-ctl.h \ + lttng/ust-abi.h \ + lttng/ringbuffer-abi.h \ + lttng/ust-tracer.h \ + lttng/ust-compiler.h \ + lttng/ust.h \ + lttng/ust-endian.h \ + lttng/ringbuffer-config.h \ + lttng/align.h \ + lttng/bug.h \ + lttng/ust-error.h \ + lttng/tracef.h \ + lttng/lttng-ust-tracef.h \ + lttng/tracelog.h \ + lttng/lttng-ust-tracelog.h \ + lttng/ust-clock.h \ + lttng/ust-getcpu.h \ + lttng/ust-elf.h + +# note: usterr-signal-safe.h, core.h and share.h need namespace cleanup. + +noinst_HEADERS = \ + usterr-signal-safe.h \ + ust_snprintf.h \ + ust-comm.h \ + lttng/ust-tid.h \ + lttng/bitfield.h \ + lttng/ust-dlfcn.h \ + lttng/ust-dynamic-type.h \ + lttng/ust-context-provider.h \ + helper.h \ + share.h + +# Auto-generated by configure. + +nobase_nodist_include_HEADERS = \ + lttng/ust-config.h \ + lttng/ust-version.h diff --git a/include/Makefile.in b/include/Makefile.in new file mode 100644 index 0000000..85b05fe --- /dev/null +++ b/include/Makefile.in @@ -0,0 +1,677 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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--- /dev/null +++ b/include/helper.h @@ -0,0 +1,58 @@ +#ifndef _LTTNG_UST_HELPER_H +#define _LTTNG_UST_HELPER_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +static inline __attribute__((always_inline)) +void *zmalloc(size_t len) +{ + return calloc(len, 1); +} + +#define max_t(type, x, y) \ + ({ \ + type __max1 = (x); \ + type __max2 = (y); \ + __max1 > __max2 ? __max1: __max2; \ + }) + +#define min_t(type, x, y) \ + ({ \ + type __min1 = (x); \ + type __min2 = (y); \ + __min1 <= __min2 ? __min1: __min2; \ + }) + +#define LTTNG_ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +/* + * Use of __builtin_return_address(0) sometimes seems to cause stack + * corruption on 32-bit PowerPC. Disable this feature on that + * architecture for now by always using the NULL value for the ip + * context. + */ +#if defined(__PPC__) && !defined(__PPC64__) +#define LTTNG_UST_CALLER_IP() NULL +#else /* #if defined(__PPC__) && !defined(__PPC64__) */ +#define LTTNG_UST_CALLER_IP() __builtin_return_address(0) +#endif /* #else #if defined(__PPC__) && !defined(__PPC64__) */ + +#endif /* _LTTNG_UST_HELPER_H */ diff --git a/include/lttng/align.h b/include/lttng/align.h new file mode 100644 index 0000000..ebf03e8 --- /dev/null +++ b/include/lttng/align.h @@ -0,0 +1,72 @@ +#ifndef _UST_ALIGN_H +#define _UST_ALIGN_H + +/* + * lttng/align.h + * + * (C) Copyright 2010-2011 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include +#include + +#ifndef PAGE_SIZE /* Cygwin limits.h defines its own PAGE_SIZE */ +#define PAGE_SIZE sysconf(_SC_PAGE_SIZE) +#endif + +#define PAGE_MASK (~(PAGE_SIZE - 1)) +#define __ALIGN_MASK(v, mask) (((v) + (mask)) & ~(mask)) +#define ALIGN(v, align) __ALIGN_MASK(v, (__typeof__(v)) (align) - 1) +#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) + +/** + * offset_align - Calculate the offset needed to align an object on its natural + * alignment towards higher addresses. + * @align_drift: object offset from an "alignment"-aligned address. + * @alignment: natural object alignment. Must be non-zero, power of 2. + * + * Returns the offset that must be added to align towards higher + * addresses. + */ +#define offset_align(align_drift, alignment) \ + ({ \ + LTTNG_BUILD_RUNTIME_BUG_ON((alignment) == 0 \ + || ((alignment) & ((alignment) - 1))); \ + (((alignment) - (align_drift)) & ((alignment) - 1)); \ + }) + +/** + * offset_align_floor - Calculate the offset needed to align an object + * on its natural alignment towards lower addresses. + * @align_drift: object offset from an "alignment"-aligned address. + * @alignment: natural object alignment. Must be non-zero, power of 2. + * + * Returns the offset that must be substracted to align towards lower addresses. + */ +#define offset_align_floor(align_drift, alignment) \ + ({ \ + LTTNG_BUILD_RUNTIME_BUG_ON((alignment) == 0 \ + || ((alignment) & ((alignment) - 1))); \ + (((align_drift) - (alignment)) & ((alignment) - 1)); \ + }) + +#endif /* _UST_ALIGN_H */ diff --git a/include/lttng/bitfield.h b/include/lttng/bitfield.h new file mode 100644 index 0000000..ef5453c --- /dev/null +++ b/include/lttng/bitfield.h @@ -0,0 +1,406 @@ +#ifndef _BABELTRACE_BITFIELD_H +#define _BABELTRACE_BITFIELD_H + +/* + * BabelTrace + * + * Bitfields read/write functions. + * + * Copyright 2010 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include /* C99 5.2.4.2 Numerical limits */ +#include /* C99 5.2.4.2 Numerical limits */ +#include /* Non-standard BIG_ENDIAN, LITTLE_ENDIAN, BYTE_ORDER */ + +/* We can't shift a int from 32 bit, >> 32 and << 32 on int is undefined */ +#define _bt_piecewise_rshift(_v, _shift) \ +({ \ + __typeof__(_v) ___v = (_v); \ + __typeof__(_shift) ___shift = (_shift); \ + unsigned long sb = (___shift) / (sizeof(___v) * CHAR_BIT - 1); \ + unsigned long final = (___shift) % (sizeof(___v) * CHAR_BIT - 1); \ + \ + for (; sb; sb--) \ + ___v >>= sizeof(___v) * CHAR_BIT - 1; \ + ___v >>= final; \ +}) + +#define _bt_piecewise_lshift(_v, _shift) \ +({ \ + __typeof__(_v) ___v = (_v); \ + __typeof__(_shift) ___shift = (_shift); \ + unsigned long sb = (___shift) / (sizeof(___v) * CHAR_BIT - 1); \ + unsigned long final = (___shift) % (sizeof(___v) * CHAR_BIT - 1); \ + \ + for (; sb; sb--) \ + ___v <<= sizeof(___v) * CHAR_BIT - 1; \ + ___v <<= final; \ +}) + +#define _bt_is_signed_type(type) ((type) -1 < (type) 0) + +#define _bt_unsigned_cast(type, v) \ +({ \ + (sizeof(v) < sizeof(type)) ? \ + ((type) (v)) & (~(~(type) 0 << (sizeof(v) * CHAR_BIT))) : \ + (type) (v); \ +}) + +/* + * bt_bitfield_write - write integer to a bitfield in native endianness + * + * Save integer to the bitfield, which starts at the "start" bit, has "len" + * bits. + * The inside of a bitfield is from high bits to low bits. + * Uses native endianness. + * For unsigned "v", pad MSB with 0 if bitfield is larger than v. + * For signed "v", sign-extend v if bitfield is larger than v. + * + * On little endian, bytes are placed from the less significant to the most + * significant. Also, consecutive bitfields are placed from lower bits to higher + * bits. + * + * On big endian, bytes are places from most significant to less significant. + * Also, consecutive bitfields are placed from higher to lower bits. + */ + +#define _bt_bitfield_write_le(_ptr, type, _start, _length, _v) \ +do { \ + __typeof__(_v) __v = (_v); \ + type *__ptr = (void *) (_ptr); \ + unsigned long __start = (_start), __length = (_length); \ + type mask, cmask; \ + unsigned long ts = sizeof(type) * CHAR_BIT; /* type size */ \ + unsigned long start_unit, end_unit, this_unit; \ + unsigned long end, cshift; /* cshift is "complement shift" */ \ + \ + if (!__length) \ + break; \ + \ + end = __start + __length; \ + start_unit = __start / ts; \ + end_unit = (end + (ts - 1)) / ts; \ + \ + /* Trim v high bits */ \ + if (__length < sizeof(__v) * CHAR_BIT) \ + __v &= ~((~(__typeof__(__v)) 0) << __length); \ + \ + /* We can now append v with a simple "or", shift it piece-wise */ \ + this_unit = start_unit; \ + if (start_unit == end_unit - 1) { \ + mask = ~((~(type) 0) << (__start % ts)); \ + if (end % ts) \ + mask |= (~(type) 0) << (end % ts); \ + cmask = (type) __v << (__start % ts); \ + cmask &= ~mask; \ + __ptr[this_unit] &= mask; \ + __ptr[this_unit] |= cmask; \ + break; \ + } \ + if (__start % ts) { \ + cshift = __start % ts; \ + mask = ~((~(type) 0) << cshift); \ + cmask = (type) __v << cshift; \ + cmask &= ~mask; \ + __ptr[this_unit] &= mask; \ + __ptr[this_unit] |= cmask; \ + __v = _bt_piecewise_rshift(__v, ts - cshift); \ + __start += ts - cshift; \ + this_unit++; \ + } \ + for (; this_unit < end_unit - 1; this_unit++) { \ + __ptr[this_unit] = (type) __v; \ + __v = _bt_piecewise_rshift(__v, ts); \ + __start += ts; \ + } \ + if (end % ts) { \ + mask = (~(type) 0) << (end % ts); \ + cmask = (type) __v; \ + cmask &= ~mask; \ + __ptr[this_unit] &= mask; \ + __ptr[this_unit] |= cmask; \ + } else \ + __ptr[this_unit] = (type) __v; \ +} while (0) + +#define _bt_bitfield_write_be(_ptr, type, _start, _length, _v) \ +do { \ + __typeof__(_v) __v = (_v); \ + type *__ptr = (void *) (_ptr); \ + unsigned long __start = (_start), __length = (_length); \ + type mask, cmask; \ + unsigned long ts = sizeof(type) * CHAR_BIT; /* type size */ \ + unsigned long start_unit, end_unit, this_unit; \ + unsigned long end, cshift; /* cshift is "complement shift" */ \ + \ + if (!__length) \ + break; \ + \ + end = __start + __length; \ + start_unit = __start / ts; \ + end_unit = (end + (ts - 1)) / ts; \ + \ + /* Trim v high bits */ \ + if (__length < sizeof(__v) * CHAR_BIT) \ + __v &= ~((~(__typeof__(__v)) 0) << __length); \ + \ + /* We can now append v with a simple "or", shift it piece-wise */ \ + this_unit = end_unit - 1; \ + if (start_unit == end_unit - 1) { \ + mask = ~((~(type) 0) << ((ts - (end % ts)) % ts)); \ + if (__start % ts) \ + mask |= (~((type) 0)) << (ts - (__start % ts)); \ + cmask = (type) __v << ((ts - (end % ts)) % ts); \ + cmask &= ~mask; \ + __ptr[this_unit] &= mask; \ + __ptr[this_unit] |= cmask; \ + break; \ + } \ + if (end % ts) { \ + cshift = end % ts; \ + mask = ~((~(type) 0) << (ts - cshift)); \ + cmask = (type) __v << (ts - cshift); \ + cmask &= ~mask; \ + __ptr[this_unit] &= mask; \ + __ptr[this_unit] |= cmask; \ + __v = _bt_piecewise_rshift(__v, cshift); \ + end -= cshift; \ + this_unit--; \ + } \ + for (; (long) this_unit >= (long) start_unit + 1; this_unit--) { \ + __ptr[this_unit] = (type) __v; \ + __v = _bt_piecewise_rshift(__v, ts); \ + end -= ts; \ + } \ + if (__start % ts) { \ + mask = (~(type) 0) << (ts - (__start % ts)); \ + cmask = (type) __v; \ + cmask &= ~mask; \ + __ptr[this_unit] &= mask; \ + __ptr[this_unit] |= cmask; \ + } else \ + __ptr[this_unit] = (type) __v; \ +} while (0) + +/* + * bt_bitfield_write - write integer to a bitfield in native endianness + * bt_bitfield_write_le - write integer to a bitfield in little endian + * bt_bitfield_write_be - write integer to a bitfield in big endian + */ + +#if (BYTE_ORDER == LITTLE_ENDIAN) + +#define bt_bitfield_write(ptr, type, _start, _length, _v) \ + _bt_bitfield_write_le(ptr, type, _start, _length, _v) + +#define bt_bitfield_write_le(ptr, type, _start, _length, _v) \ + _bt_bitfield_write_le(ptr, type, _start, _length, _v) + +#define bt_bitfield_write_be(ptr, type, _start, _length, _v) \ + _bt_bitfield_write_be(ptr, unsigned char, _start, _length, _v) + +#elif (BYTE_ORDER == BIG_ENDIAN) + +#define bt_bitfield_write(ptr, type, _start, _length, _v) \ + _bt_bitfield_write_be(ptr, type, _start, _length, _v) + +#define bt_bitfield_write_le(ptr, type, _start, _length, _v) \ + _bt_bitfield_write_le(ptr, unsigned char, _start, _length, _v) + +#define bt_bitfield_write_be(ptr, type, _start, _length, _v) \ + _bt_bitfield_write_be(ptr, type, _start, _length, _v) + +#else /* (BYTE_ORDER == PDP_ENDIAN) */ + +#error "Byte order not supported" + +#endif + +#define _bt_bitfield_read_le(_ptr, type, _start, _length, _vptr) \ +do { \ + __typeof__(*(_vptr)) *__vptr = (_vptr); \ + __typeof__(*__vptr) __v; \ + type *__ptr = (void *) (_ptr); \ + unsigned long __start = (_start), __length = (_length); \ + type mask, cmask; \ + unsigned long ts = sizeof(type) * CHAR_BIT; /* type size */ \ + unsigned long start_unit, end_unit, this_unit; \ + unsigned long end, cshift; /* cshift is "complement shift" */ \ + \ + if (!__length) { \ + *__vptr = 0; \ + break; \ + } \ + \ + end = __start + __length; \ + start_unit = __start / ts; \ + end_unit = (end + (ts - 1)) / ts; \ + \ + this_unit = end_unit - 1; \ + if (_bt_is_signed_type(__typeof__(__v)) \ + && (__ptr[this_unit] & ((type) 1 << ((end % ts ? : ts) - 1)))) \ + __v = ~(__typeof__(__v)) 0; \ + else \ + __v = 0; \ + if (start_unit == end_unit - 1) { \ + cmask = __ptr[this_unit]; \ + cmask >>= (__start % ts); \ + if ((end - __start) % ts) { \ + mask = ~((~(type) 0) << (end - __start)); \ + cmask &= mask; \ + } \ + __v = _bt_piecewise_lshift(__v, end - __start); \ + __v |= _bt_unsigned_cast(__typeof__(__v), cmask); \ + *__vptr = __v; \ + break; \ + } \ + if (end % ts) { \ + cshift = end % ts; \ + mask = ~((~(type) 0) << cshift); \ + cmask = __ptr[this_unit]; \ + cmask &= mask; \ + __v = _bt_piecewise_lshift(__v, cshift); \ + __v |= _bt_unsigned_cast(__typeof__(__v), cmask); \ + end -= cshift; \ + this_unit--; \ + } \ + for (; (long) this_unit >= (long) start_unit + 1; this_unit--) { \ + __v = _bt_piecewise_lshift(__v, ts); \ + __v |= _bt_unsigned_cast(__typeof__(__v), __ptr[this_unit]);\ + end -= ts; \ + } \ + if (__start % ts) { \ + mask = ~((~(type) 0) << (ts - (__start % ts))); \ + cmask = __ptr[this_unit]; \ + cmask >>= (__start % ts); \ + cmask &= mask; \ + __v = _bt_piecewise_lshift(__v, ts - (__start % ts)); \ + __v |= _bt_unsigned_cast(__typeof__(__v), cmask); \ + } else { \ + __v = _bt_piecewise_lshift(__v, ts); \ + __v |= _bt_unsigned_cast(__typeof__(__v), __ptr[this_unit]);\ + } \ + *__vptr = __v; \ +} while (0) + +#define _bt_bitfield_read_be(_ptr, type, _start, _length, _vptr) \ +do { \ + __typeof__(*(_vptr)) *__vptr = (_vptr); \ + __typeof__(*__vptr) __v; \ + type *__ptr = (void *) (_ptr); \ + unsigned long __start = (_start), __length = (_length); \ + type mask, cmask; \ + unsigned long ts = sizeof(type) * CHAR_BIT; /* type size */ \ + unsigned long start_unit, end_unit, this_unit; \ + unsigned long end, cshift; /* cshift is "complement shift" */ \ + \ + if (!__length) { \ + *__vptr = 0; \ + break; \ + } \ + \ + end = __start + __length; \ + start_unit = __start / ts; \ + end_unit = (end + (ts - 1)) / ts; \ + \ + this_unit = start_unit; \ + if (_bt_is_signed_type(__typeof__(__v)) \ + && (__ptr[this_unit] & ((type) 1 << (ts - (__start % ts) - 1)))) \ + __v = ~(__typeof__(__v)) 0; \ + else \ + __v = 0; \ + if (start_unit == end_unit - 1) { \ + cmask = __ptr[this_unit]; \ + cmask >>= (ts - (end % ts)) % ts; \ + if ((end - __start) % ts) { \ + mask = ~((~(type) 0) << (end - __start)); \ + cmask &= mask; \ + } \ + __v = _bt_piecewise_lshift(__v, end - __start); \ + __v |= _bt_unsigned_cast(__typeof__(__v), cmask); \ + *__vptr = __v; \ + break; \ + } \ + if (__start % ts) { \ + cshift = __start % ts; \ + mask = ~((~(type) 0) << (ts - cshift)); \ + cmask = __ptr[this_unit]; \ + cmask &= mask; \ + __v = _bt_piecewise_lshift(__v, ts - cshift); \ + __v |= _bt_unsigned_cast(__typeof__(__v), cmask); \ + __start += ts - cshift; \ + this_unit++; \ + } \ + for (; this_unit < end_unit - 1; this_unit++) { \ + __v = _bt_piecewise_lshift(__v, ts); \ + __v |= _bt_unsigned_cast(__typeof__(__v), __ptr[this_unit]);\ + __start += ts; \ + } \ + if (end % ts) { \ + mask = ~((~(type) 0) << (end % ts)); \ + cmask = __ptr[this_unit]; \ + cmask >>= ts - (end % ts); \ + cmask &= mask; \ + __v = _bt_piecewise_lshift(__v, end % ts); \ + __v |= _bt_unsigned_cast(__typeof__(__v), cmask); \ + } else { \ + __v = _bt_piecewise_lshift(__v, ts); \ + __v |= _bt_unsigned_cast(__typeof__(__v), __ptr[this_unit]);\ + } \ + *__vptr = __v; \ +} while (0) + +/* + * bt_bitfield_read - read integer from a bitfield in native endianness + * bt_bitfield_read_le - read integer from a bitfield in little endian + * bt_bitfield_read_be - read integer from a bitfield in big endian + */ + +#if (BYTE_ORDER == LITTLE_ENDIAN) + +#define bt_bitfield_read(_ptr, type, _start, _length, _vptr) \ + _bt_bitfield_read_le(_ptr, type, _start, _length, _vptr) + +#define bt_bitfield_read_le(_ptr, type, _start, _length, _vptr) \ + _bt_bitfield_read_le(_ptr, type, _start, _length, _vptr) + +#define bt_bitfield_read_be(_ptr, type, _start, _length, _vptr) \ + _bt_bitfield_read_be(_ptr, unsigned char, _start, _length, _vptr) + +#elif (BYTE_ORDER == BIG_ENDIAN) + +#define bt_bitfield_read(_ptr, type, _start, _length, _vptr) \ + _bt_bitfield_read_be(_ptr, type, _start, _length, _vptr) + +#define bt_bitfield_read_le(_ptr, type, _start, _length, _vptr) \ + _bt_bitfield_read_le(_ptr, unsigned char, _start, _length, _vptr) + +#define bt_bitfield_read_be(_ptr, type, _start, _length, _vptr) \ + _bt_bitfield_read_be(_ptr, type, _start, _length, _vptr) + +#else /* (BYTE_ORDER == PDP_ENDIAN) */ + +#error "Byte order not supported" + +#endif + +#endif /* _BABELTRACE_BITFIELD_H */ diff --git a/include/lttng/bug.h b/include/lttng/bug.h new file mode 100644 index 0000000..00412d5 --- /dev/null +++ b/include/lttng/bug.h @@ -0,0 +1,62 @@ +#ifndef _LTTNG_BUG_H +#define _LTTNG_BUG_H + +/* + * lttng/bug.h + * + * (C) Copyright 2010-2011 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include +#include + +#define LTTNG_BUG_ON(condition) \ + do { \ + if (caa_unlikely(condition)) { \ + fprintf(stderr, \ + "LTTng BUG in file %s, line %d.\n", \ + __FILE__, __LINE__); \ + exit(EXIT_FAILURE); \ + } \ + } while (0) + +#define LTTNG_BUILD_BUG_ON(condition) \ + ((void) sizeof(char[-!!(condition)])) + +/** + * LTTNG_BUILD_RUNTIME_BUG_ON - check condition at build (if constant) or runtime + * @condition: the condition which should be false. + * + * If the condition is a constant and true, the compiler will generate a build + * error. If the condition is not constant, a BUG will be triggered at runtime + * if the condition is ever true. If the condition is constant and false, no + * code is emitted. + */ +#define LTTNG_BUILD_RUNTIME_BUG_ON(condition) \ + do { \ + if (__builtin_constant_p(condition)) \ + LTTNG_BUILD_BUG_ON(condition); \ + else \ + LTTNG_BUG_ON(condition); \ + } while (0) + +#endif diff --git a/include/lttng/lttng-ust-tracef.h b/include/lttng/lttng-ust-tracef.h new file mode 100644 index 0000000..3095b3d --- /dev/null +++ b/include/lttng/lttng-ust-tracef.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2011-2014 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include + +TRACEPOINT_EVENT(lttng_ust_tracef, event, + TP_ARGS(const char *, msg, unsigned int, len, void *, ip), + TP_FIELDS( + ctf_sequence_text(char, msg, msg, unsigned int, len) + ) +) +TRACEPOINT_LOGLEVEL(lttng_ust_tracef, event, TRACE_DEBUG) diff --git a/include/lttng/lttng-ust-tracelog.h b/include/lttng/lttng-ust-tracelog.h new file mode 100644 index 0000000..5bd3515 --- /dev/null +++ b/include/lttng/lttng-ust-tracelog.h @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2011-2015 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include + +TRACEPOINT_EVENT_CLASS(lttng_ust_tracelog, tlclass, + TP_ARGS(const char *, file, int, line, const char *, func, + const char *, msg, unsigned int, len, void *, ip), + TP_FIELDS( + ctf_integer(int, line, line) + ctf_string(file, file) + ctf_string(func, func) + ctf_sequence_text(char, msg, msg, unsigned int, len) + ) +) + +#define TP_TRACELOG_TEMPLATE(_level_enum) \ + TRACEPOINT_EVENT_INSTANCE(lttng_ust_tracelog, tlclass, _level_enum, \ + TP_ARGS(const char *, file, int, line, const char *, func, \ + const char *, msg, unsigned int, len, void *, ip) \ + ) \ + TRACEPOINT_LOGLEVEL(lttng_ust_tracelog, _level_enum, _level_enum) + +TP_TRACELOG_TEMPLATE(TRACE_EMERG) +TP_TRACELOG_TEMPLATE(TRACE_ALERT) +TP_TRACELOG_TEMPLATE(TRACE_CRIT) +TP_TRACELOG_TEMPLATE(TRACE_ERR) +TP_TRACELOG_TEMPLATE(TRACE_WARNING) +TP_TRACELOG_TEMPLATE(TRACE_NOTICE) +TP_TRACELOG_TEMPLATE(TRACE_INFO) +TP_TRACELOG_TEMPLATE(TRACE_DEBUG_SYSTEM) +TP_TRACELOG_TEMPLATE(TRACE_DEBUG_PROGRAM) +TP_TRACELOG_TEMPLATE(TRACE_DEBUG_PROCESS) +TP_TRACELOG_TEMPLATE(TRACE_DEBUG_MODULE) +TP_TRACELOG_TEMPLATE(TRACE_DEBUG_UNIT) +TP_TRACELOG_TEMPLATE(TRACE_DEBUG_FUNCTION) +TP_TRACELOG_TEMPLATE(TRACE_DEBUG_LINE) +TP_TRACELOG_TEMPLATE(TRACE_DEBUG) diff --git a/include/lttng/ringbuffer-abi.h b/include/lttng/ringbuffer-abi.h new file mode 100644 index 0000000..b0e5a06 --- /dev/null +++ b/include/lttng/ringbuffer-abi.h @@ -0,0 +1,83 @@ +#ifndef _LTTNG_RING_BUFFER_ABI_H +#define _LTTNG_RING_BUFFER_ABI_H + +/* + * lttng/ringbuffer-abi.h + * + * (C) Copyright 2005-2012 - Mathieu Desnoyers + * + * Wait-free ring buffer ABI. + * + * Author: + * Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define _UST_CMD(minor) (minor) +#define _UST_CMDR(minor, type) (minor) +#define _UST_CMDW(minor, type) (minor) + +/* + * Use RING_BUFFER_GET_NEXT_SUBBUF / RING_BUFFER_PUT_NEXT_SUBBUF to read and + * consume sub-buffers sequentially. + * + * Reading sub-buffers without consuming them can be performed with: + * + * RING_BUFFER_SNAPSHOT + * RING_BUFFER_SNAPSHOT_GET_CONSUMED + * RING_BUFFER_SNAPSHOT_GET_PRODUCED + * + * to get the offset range to consume, and then by passing each sub-buffer + * offset to RING_BUFFER_GET_SUBBUF, read the sub-buffer, and then release it + * with RING_BUFFER_PUT_SUBBUF. + * + * Note that the "snapshot" API can be used to read the sub-buffer in reverse + * order, which is useful for flight recorder snapshots. + */ + +/* Get a snapshot of the current ring buffer producer and consumer positions */ +#define RING_BUFFER_SNAPSHOT _UST_CMD(0x00) +/* Get the consumer position (iteration start) */ +#define RING_BUFFER_SNAPSHOT_GET_CONSUMED _UST_CMDR(0x01, unsigned long) +/* Get the producer position (iteration end) */ +#define RING_BUFFER_SNAPSHOT_GET_PRODUCED _UST_CMDR(0x02, unsigned long) +/* Get exclusive read access to the specified sub-buffer position */ +#define RING_BUFFER_GET_SUBBUF _UST_CMDW(0x03, unsigned long) +/* Release exclusive sub-buffer access */ +#define RING_BUFFER_PUT_SUBBUF _UST_CMD(0x04) + +/* Get exclusive read access to the next sub-buffer that can be read. */ +#define RING_BUFFER_GET_NEXT_SUBBUF _UST_CMD(0x05) +/* Release exclusive sub-buffer access, move consumer forward. */ +#define RING_BUFFER_PUT_NEXT_SUBBUF _UST_CMD(0x06) +/* returns the size of the current sub-buffer, without padding (for mmap). */ +#define RING_BUFFER_GET_SUBBUF_SIZE _UST_CMDR(0x07, unsigned long) +/* returns the size of the current sub-buffer, with padding (for splice). */ +#define RING_BUFFER_GET_PADDED_SUBBUF_SIZE _UST_CMDR(0x08, unsigned long) +/* returns the maximum size for sub-buffers. */ +#define RING_BUFFER_GET_MAX_SUBBUF_SIZE _UST_CMDR(0x09, unsigned long) +/* returns the length to mmap. */ +#define RING_BUFFER_GET_MMAP_LEN _UST_CMDR(0x0A, unsigned long) +/* returns the offset of the subbuffer belonging to the mmap reader. */ +#define RING_BUFFER_GET_MMAP_READ_OFFSET _UST_CMDR(0x0B, unsigned long) +/* flush the current sub-buffer */ +#define RING_BUFFER_FLUSH _UST_CMD(0x0C) + +#endif /* _LTTNG_RING_BUFFER_ABI_H */ diff --git a/include/lttng/ringbuffer-config.h b/include/lttng/ringbuffer-config.h new file mode 100644 index 0000000..5ae0d8a --- /dev/null +++ b/include/lttng/ringbuffer-config.h @@ -0,0 +1,392 @@ +#ifndef _LTTNG_RING_BUFFER_CONFIG_H +#define _LTTNG_RING_BUFFER_CONFIG_H + +/* + * lttng/ringbuffer-config.h + * + * Copyright (C) 2010 - Mathieu Desnoyers + * + * Ring buffer configuration header. Note: after declaring the standard inline + * functions, clients should also include linux/ringbuffer/api.h. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include "lttng/ust-tracer.h" +#include +#include +#include +#include +#include "lttng/align.h" +#include + +struct lttng_ust_lib_ring_buffer; +struct channel; +struct lttng_ust_lib_ring_buffer_config; +struct lttng_ust_lib_ring_buffer_ctx; +struct lttng_ust_shm_handle; + +/* + * Ring buffer client callbacks. Only used by slow path, never on fast path. + * For the fast path, record_header_size(), ring_buffer_clock_read() should be + * provided as inline functions too. These may simply return 0 if not used by + * the client. + */ +struct lttng_ust_lib_ring_buffer_client_cb { + /* Mandatory callbacks */ + + /* A static inline version is also required for fast path */ + uint64_t (*ring_buffer_clock_read) (struct channel *chan); + size_t (*record_header_size) (const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, size_t offset, + size_t *pre_header_padding, + struct lttng_ust_lib_ring_buffer_ctx *ctx); + + /* Slow path only, at subbuffer switch */ + size_t (*subbuffer_header_size) (void); + void (*buffer_begin) (struct lttng_ust_lib_ring_buffer *buf, uint64_t tsc, + unsigned int subbuf_idx, + struct lttng_ust_shm_handle *handle); + void (*buffer_end) (struct lttng_ust_lib_ring_buffer *buf, uint64_t tsc, + unsigned int subbuf_idx, unsigned long data_size, + struct lttng_ust_shm_handle *handle); + + /* Optional callbacks (can be set to NULL) */ + + /* Called at buffer creation/finalize */ + int (*buffer_create) (struct lttng_ust_lib_ring_buffer *buf, void *priv, + int cpu, const char *name, + struct lttng_ust_shm_handle *handle); + /* + * Clients should guarantee that no new reader handle can be opened + * after finalize. + */ + void (*buffer_finalize) (struct lttng_ust_lib_ring_buffer *buf, + void *priv, int cpu, + struct lttng_ust_shm_handle *handle); + + /* + * Extract header length, payload length and timestamp from event + * record. Used by buffer iterators. Timestamp is only used by channel + * iterator. + */ + void (*record_get) (const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, struct lttng_ust_lib_ring_buffer *buf, + size_t offset, size_t *header_len, + size_t *payload_len, uint64_t *timestamp, + struct lttng_ust_shm_handle *handle); + /* + * Offset and size of content size field in client. + */ + void (*content_size_field) (const struct lttng_ust_lib_ring_buffer_config *config, + size_t *offset, size_t *length); + void (*packet_size_field) (const struct lttng_ust_lib_ring_buffer_config *config, + size_t *offset, size_t *length); +}; + +/* + * Ring buffer instance configuration. + * + * Declare as "static const" within the client object to ensure the inline fast + * paths can be optimized. + * + * alloc/sync pairs: + * + * RING_BUFFER_ALLOC_PER_CPU and RING_BUFFER_SYNC_PER_CPU : + * Per-cpu buffers with per-cpu synchronization. Tracing must be performed + * with preemption disabled (lib_ring_buffer_get_cpu() and + * lib_ring_buffer_put_cpu()). + * + * RING_BUFFER_ALLOC_PER_CPU and RING_BUFFER_SYNC_GLOBAL : + * Per-cpu buffer with global synchronization. Tracing can be performed with + * preemption enabled, statistically stays on the local buffers. + * + * RING_BUFFER_ALLOC_GLOBAL and RING_BUFFER_SYNC_PER_CPU : + * Should only be used for buffers belonging to a single thread or protected + * by mutual exclusion by the client. Note that periodical sub-buffer switch + * should be disabled in this kind of configuration. + * + * RING_BUFFER_ALLOC_GLOBAL and RING_BUFFER_SYNC_GLOBAL : + * Global shared buffer with global synchronization. + * + * wakeup: + * + * RING_BUFFER_WAKEUP_BY_TIMER uses per-cpu deferrable timers to poll the + * buffers and wake up readers if data is ready. Mainly useful for tracers which + * don't want to call into the wakeup code on the tracing path. Use in + * combination with "read_timer_interval" channel_create() argument. + * + * RING_BUFFER_WAKEUP_BY_WRITER directly wakes up readers when a subbuffer is + * ready to read. Lower latencies before the reader is woken up. Mainly suitable + * for drivers. + * + * RING_BUFFER_WAKEUP_NONE does not perform any wakeup whatsoever. The client + * has the responsibility to perform wakeups. + */ +#define LTTNG_UST_RING_BUFFER_CONFIG_PADDING 20 + +enum lttng_ust_lib_ring_buffer_alloc_types { + RING_BUFFER_ALLOC_PER_CPU, + RING_BUFFER_ALLOC_GLOBAL, +}; + +enum lttng_ust_lib_ring_buffer_sync_types { + RING_BUFFER_SYNC_PER_CPU, /* Wait-free */ + RING_BUFFER_SYNC_GLOBAL, /* Lock-free */ +}; + +enum lttng_ust_lib_ring_buffer_mode_types { + RING_BUFFER_OVERWRITE = 0, /* Overwrite when buffer full */ + RING_BUFFER_DISCARD = 1, /* Discard when buffer full */ +}; + +enum lttng_ust_lib_ring_buffer_output_types { + RING_BUFFER_SPLICE, + RING_BUFFER_MMAP, + RING_BUFFER_READ, /* TODO */ + RING_BUFFER_ITERATOR, + RING_BUFFER_NONE, +}; + +enum lttng_ust_lib_ring_buffer_backend_types { + RING_BUFFER_PAGE, + RING_BUFFER_VMAP, /* TODO */ + RING_BUFFER_STATIC, /* TODO */ +}; + +enum lttng_ust_lib_ring_buffer_oops_types { + RING_BUFFER_NO_OOPS_CONSISTENCY, + RING_BUFFER_OOPS_CONSISTENCY, +}; + +enum lttng_ust_lib_ring_buffer_ipi_types { + RING_BUFFER_IPI_BARRIER, + RING_BUFFER_NO_IPI_BARRIER, +}; + +enum lttng_ust_lib_ring_buffer_wakeup_types { + RING_BUFFER_WAKEUP_BY_TIMER, /* wake up performed by timer */ + RING_BUFFER_WAKEUP_BY_WRITER, /* + * writer wakes up reader, + * not lock-free + * (takes spinlock). + */ +}; + +struct lttng_ust_lib_ring_buffer_config { + enum lttng_ust_lib_ring_buffer_alloc_types alloc; + enum lttng_ust_lib_ring_buffer_sync_types sync; + enum lttng_ust_lib_ring_buffer_mode_types mode; + enum lttng_ust_lib_ring_buffer_output_types output; + enum lttng_ust_lib_ring_buffer_backend_types backend; + enum lttng_ust_lib_ring_buffer_oops_types oops; + enum lttng_ust_lib_ring_buffer_ipi_types ipi; + enum lttng_ust_lib_ring_buffer_wakeup_types wakeup; + /* + * tsc_bits: timestamp bits saved at each record. + * 0 and 64 disable the timestamp compression scheme. + */ + unsigned int tsc_bits; + struct lttng_ust_lib_ring_buffer_client_cb cb; + /* + * client_type is used by the consumer process (which is in a + * different address space) to lookup the appropriate client + * callbacks and update the cb pointers. + */ + int client_type; + int _unused1; + const struct lttng_ust_lib_ring_buffer_client_cb *cb_ptr; + char padding[LTTNG_UST_RING_BUFFER_CONFIG_PADDING]; +}; + +/* + * ring buffer context + * + * Context passed to lib_ring_buffer_reserve(), lib_ring_buffer_commit(), + * lib_ring_buffer_try_discard_reserve(), lib_ring_buffer_align_ctx() and + * lib_ring_buffer_write(). + * + * IMPORTANT: this structure is part of the ABI between the probe and + * UST. Fields need to be only added at the end, never reordered, never + * removed. + */ +#define LTTNG_UST_RING_BUFFER_CTX_PADDING \ + (24 - sizeof(int) - sizeof(void *) - sizeof(void *)) +struct lttng_ust_lib_ring_buffer_ctx { + /* input received by lib_ring_buffer_reserve(), saved here. */ + struct channel *chan; /* channel */ + void *priv; /* client private data */ + struct lttng_ust_shm_handle *handle; /* shared-memory handle */ + size_t data_size; /* size of payload */ + int largest_align; /* + * alignment of the largest element + * in the payload + */ + int cpu; /* processor id */ + + /* output from lib_ring_buffer_reserve() */ + struct lttng_ust_lib_ring_buffer *buf; /* + * buffer corresponding to processor id + * for this channel + */ + size_t slot_size; /* size of the reserved slot */ + unsigned long buf_offset; /* offset following the record header */ + unsigned long pre_offset; /* + * Initial offset position _before_ + * the record is written. Positioned + * prior to record header alignment + * padding. + */ + uint64_t tsc; /* time-stamp counter value */ + unsigned int rflags; /* reservation flags */ + unsigned int padding1; /* padding to realign on pointer */ + void *ip; /* caller ip address */ + void *priv2; /* 2nd priv data */ + char padding2[LTTNG_UST_RING_BUFFER_CTX_PADDING]; +}; + +/** + * lib_ring_buffer_ctx_init - initialize ring buffer context + * @ctx: ring buffer context to initialize + * @chan: channel + * @priv: client private data + * @data_size: size of record data payload + * @largest_align: largest alignment within data payload types + * @cpu: processor id + */ +static inline lttng_ust_notrace +void lib_ring_buffer_ctx_init(struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct channel *chan, void *priv, + size_t data_size, int largest_align, + int cpu, struct lttng_ust_shm_handle *handle, + void *priv2); +static inline +void lib_ring_buffer_ctx_init(struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct channel *chan, void *priv, + size_t data_size, int largest_align, + int cpu, struct lttng_ust_shm_handle *handle, + void *priv2) +{ + ctx->chan = chan; + ctx->priv = priv; + ctx->data_size = data_size; + ctx->largest_align = largest_align; + ctx->cpu = cpu; + ctx->rflags = 0; + ctx->handle = handle; + ctx->padding1 = 0; + ctx->ip = 0; + ctx->priv2 = priv2; + memset(ctx->padding2, 0, LTTNG_UST_RING_BUFFER_CTX_PADDING); +} + +/* + * Reservation flags. + * + * RING_BUFFER_RFLAG_FULL_TSC + * + * This flag is passed to record_header_size() and to the primitive used to + * write the record header. It indicates that the full 64-bit time value is + * needed in the record header. If this flag is not set, the record header needs + * only to contain "tsc_bits" bit of time value. + * + * Reservation flags can be added by the client, starting from + * "(RING_BUFFER_FLAGS_END << 0)". It can be used to pass information from + * record_header_size() to lib_ring_buffer_write_record_header(). + */ +#define RING_BUFFER_RFLAG_FULL_TSC (1U << 0) +#define RING_BUFFER_RFLAG_END (1U << 1) + +/* + * We need to define RING_BUFFER_ALIGN_ATTR so it is known early at + * compile-time. We have to duplicate the "config->align" information and the + * definition here because config->align is used both in the slow and fast + * paths, but RING_BUFFER_ALIGN_ATTR is only available for the client code. + */ +#ifdef RING_BUFFER_ALIGN + +# define RING_BUFFER_ALIGN_ATTR /* Default arch alignment */ + +/* + * Calculate the offset needed to align the type. + * size_of_type must be non-zero. + */ +static inline lttng_ust_notrace +unsigned int lib_ring_buffer_align(size_t align_drift, size_t size_of_type); +static inline +unsigned int lib_ring_buffer_align(size_t align_drift, size_t size_of_type) +{ + return offset_align(align_drift, size_of_type); +} + +#else + +# define RING_BUFFER_ALIGN_ATTR __attribute__((packed)) + +/* + * Calculate the offset needed to align the type. + * size_of_type must be non-zero. + */ +static inline lttng_ust_notrace +unsigned int lib_ring_buffer_align(size_t align_drift, size_t size_of_type); +static inline +unsigned int lib_ring_buffer_align(size_t align_drift, size_t size_of_type) +{ + return 0; +} + +#endif + +/** + * lib_ring_buffer_align_ctx - Align context offset on "alignment" + * @ctx: ring buffer context. + */ +static inline lttng_ust_notrace +void lib_ring_buffer_align_ctx(struct lttng_ust_lib_ring_buffer_ctx *ctx, + size_t alignment); +static inline +void lib_ring_buffer_align_ctx(struct lttng_ust_lib_ring_buffer_ctx *ctx, + size_t alignment) +{ + ctx->buf_offset += lib_ring_buffer_align(ctx->buf_offset, + alignment); +} + +/* + * lib_ring_buffer_check_config() returns 0 on success. + * Used internally to check for valid configurations at channel creation. + */ +static inline lttng_ust_notrace +int lib_ring_buffer_check_config(const struct lttng_ust_lib_ring_buffer_config *config, + unsigned int switch_timer_interval, + unsigned int read_timer_interval); +static inline +int lib_ring_buffer_check_config(const struct lttng_ust_lib_ring_buffer_config *config, + unsigned int switch_timer_interval, + unsigned int read_timer_interval) +{ + if (config->alloc == RING_BUFFER_ALLOC_GLOBAL + && config->sync == RING_BUFFER_SYNC_PER_CPU + && switch_timer_interval) + return -EINVAL; + return 0; +} + +#endif /* _LTTNG_RING_BUFFER_CONFIG_H */ diff --git a/include/lttng/tracef.h b/include/lttng/tracef.h new file mode 100644 index 0000000..0c59c9a --- /dev/null +++ b/include/lttng/tracef.h @@ -0,0 +1,46 @@ +#ifndef _LTTNG_UST_TRACEF_H +#define _LTTNG_UST_TRACEF_H + +/* + * Copyright (C) 2013-2014 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +extern +void _lttng_ust_tracef(const char *fmt, ...); + +#define tracef(fmt, ...) \ + do { \ + LTTNG_STAP_PROBEV(tracepoint_lttng_ust_tracef, event, ## __VA_ARGS__); \ + if (caa_unlikely(__tracepoint_lttng_ust_tracef___event.state)) \ + _lttng_ust_tracef(fmt, ## __VA_ARGS__); \ + } while (0) + +#ifdef __cplusplus +} +#endif + +#endif /* _LTTNG_UST_TRACEF_H */ diff --git a/include/lttng/tracelog.h b/include/lttng/tracelog.h new file mode 100644 index 0000000..4309d12 --- /dev/null +++ b/include/lttng/tracelog.h @@ -0,0 +1,66 @@ +#ifndef _LTTNG_UST_TRACELOG_H +#define _LTTNG_UST_TRACELOG_H + +/* + * Copyright (C) 2013-2015 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#define TP_TRACELOG_CB_TEMPLATE(level) \ + extern void _lttng_ust_tracelog_##level(const char *file, \ + int line, const char *func, const char *fmt, ...) + +TP_TRACELOG_CB_TEMPLATE(TRACE_EMERG); +TP_TRACELOG_CB_TEMPLATE(TRACE_ALERT); +TP_TRACELOG_CB_TEMPLATE(TRACE_CRIT); +TP_TRACELOG_CB_TEMPLATE(TRACE_ERR); +TP_TRACELOG_CB_TEMPLATE(TRACE_WARNING); +TP_TRACELOG_CB_TEMPLATE(TRACE_NOTICE); +TP_TRACELOG_CB_TEMPLATE(TRACE_INFO); +TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_SYSTEM); +TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_PROGRAM); +TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_PROCESS); +TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_MODULE); +TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_UNIT); +TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_FUNCTION); +TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG_LINE); +TP_TRACELOG_CB_TEMPLATE(TRACE_DEBUG); + +#undef TP_TRACELOG_CB_TEMPLATE + +#define tracelog(level, fmt, ...) \ + do { \ + LTTNG_STAP_PROBEV(tracepoint_lttng_ust_tracelog, level, ## __VA_ARGS__); \ + if (caa_unlikely(__tracepoint_lttng_ust_tracelog___##level.state)) \ + _lttng_ust_tracelog_##level(__FILE__, __LINE__, __func__, \ + fmt, ## __VA_ARGS__); \ + } while (0) + +#ifdef __cplusplus +} +#endif + +#endif /* _LTTNG_UST_TRACELOG_H */ diff --git a/include/lttng/tracepoint-event.h b/include/lttng/tracepoint-event.h new file mode 100644 index 0000000..a12b758 --- /dev/null +++ b/include/lttng/tracepoint-event.h @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2011 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef TRACEPOINT_CREATE_PROBES + +#define __tp_stringify1(x) #x +#define __tp_stringify(x) __tp_stringify1(x) + +#undef TRACEPOINT_EVENT_INSTANCE +#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) + +#undef TRACEPOINT_EVENT +#define TRACEPOINT_EVENT(_provider, _name, _args, _fields) \ + TRACEPOINT_EVENT_CLASS(_provider, _name, _TP_PARAMS(_args), \ + _TP_PARAMS(_fields)) \ + TRACEPOINT_EVENT_INSTANCE(_provider, _name, _name, \ + _TP_PARAMS(_args)) + + +#undef TRACEPOINT_CREATE_PROBES + +#define TRACEPOINT_HEADER_MULTI_READ + +/* + * LTTng-UST 2.0 expects TRACEPOINT_INCLUDE_FILE, but this approach has + * the unwanted side-effect of expanding any macro name found within + * TRACEPOINT_INCLUDE_FILE. + * + * Starting from LTTng-UST 2.1, we expect the TRACEPOINT_INCLUDE to be + * defined by probes as a string. We still check for + * TRACEPOINT_INCLUDE_FILE for API backward compatibility. + */ +#ifdef TRACEPOINT_INCLUDE_FILE +#define TRACEPOINT_INCLUDE __tp_stringify(TRACEPOINT_INCLUDE_FILE) +#endif + +#include TRACEPOINT_INCLUDE + +#include + +#undef TRACEPOINT_HEADER_MULTI_READ +#undef TRACEPOINT_INCLUDE_FILE +#undef TRACEPOINT_INCLUDE + +#define TRACEPOINT_CREATE_PROBES + +/* + * Put back definitions to the state they were when defined by + * tracepoint.h. + */ +#undef TP_ARGS +#define TP_ARGS(...) __VA_ARGS__ + +#undef TRACEPOINT_EVENT +#define TRACEPOINT_EVENT(provider, name, args, fields) \ + _DECLARE_TRACEPOINT(provider, name, _TP_PARAMS(args)) \ + _DEFINE_TRACEPOINT(provider, name, _TP_PARAMS(args)) + +#undef TRACEPOINT_EVENT_CLASS +#define TRACEPOINT_EVENT_CLASS(provider, name, args, fields) + +#undef TRACEPOINT_EVENT_INSTANCE +#define TRACEPOINT_EVENT_INSTANCE(provider, _template, name, args) \ + _DECLARE_TRACEPOINT(provider, name, _TP_PARAMS(args)) \ + _DEFINE_TRACEPOINT(provider, name, _TP_PARAMS(args)) + +#undef TRACEPOINT_LOGLEVEL +#define TRACEPOINT_LOGLEVEL(provider, name, loglevel) + +#undef TRACEPOINT_MODEL_EMF_URI +#define TRACEPOINT_MODEL_EMF_URI(provider, name, uri) + +#endif /* TRACEPOINT_CREATE_PROBES */ diff --git a/include/lttng/tracepoint-rcu.h b/include/lttng/tracepoint-rcu.h new file mode 100644 index 0000000..0e08485 --- /dev/null +++ b/include/lttng/tracepoint-rcu.h @@ -0,0 +1,50 @@ +#ifndef _LTTNG_TRACEPOINT_RCU_H +#define _LTTNG_TRACEPOINT_RCU_H + +/* + * Copyright 2011-2012 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +#ifdef _LGPL_SOURCE + +#include + +#define tp_rcu_read_lock_bp rcu_read_lock_bp +#define tp_rcu_read_unlock_bp rcu_read_unlock_bp +#define tp_rcu_dereference_bp rcu_dereference +#define TP_RCU_LINK_TEST() 1 + +#else /* _LGPL_SOURCE */ + +#define tp_rcu_read_lock_bp tracepoint_dlopen_ptr->rcu_read_lock_sym_bp +#define tp_rcu_read_unlock_bp tracepoint_dlopen_ptr->rcu_read_unlock_sym_bp + +#define tp_rcu_dereference_bp(p) \ + URCU_FORCE_CAST(__typeof__(p), \ + tracepoint_dlopen_ptr->rcu_dereference_sym_bp(URCU_FORCE_CAST(void *, p))) + +#define TP_RCU_LINK_TEST() (tracepoint_dlopen_ptr && tp_rcu_read_lock_bp) + +#endif /* _LGPL_SOURCE */ + +#endif /* _LTTNG_TRACEPOINT_RCU_H */ diff --git a/include/lttng/tracepoint-types.h b/include/lttng/tracepoint-types.h new file mode 100644 index 0000000..f54e30a --- /dev/null +++ b/include/lttng/tracepoint-types.h @@ -0,0 +1,41 @@ +#ifndef _LTTNG_TRACEPOINT_TYPES_H +#define _LTTNG_TRACEPOINT_TYPES_H + +/* + * Copyright 2011-2012 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +struct lttng_ust_tracepoint_probe { + void (*func)(void); + void *data; +}; + +#define LTTNG_UST_TRACEPOINT_PADDING 16 +struct lttng_ust_tracepoint { + const char *name; + int state; + struct lttng_ust_tracepoint_probe *probes; + int *tracepoint_provider_ref; + const char *signature; + char padding[LTTNG_UST_TRACEPOINT_PADDING]; +}; + +#endif /* _LTTNG_TRACEPOINT_TYPES_H */ diff --git a/include/lttng/tracepoint.h b/include/lttng/tracepoint.h new file mode 100644 index 0000000..03bc913 --- /dev/null +++ b/include/lttng/tracepoint.h @@ -0,0 +1,715 @@ +#ifndef _LTTNG_TRACEPOINT_H +#define _LTTNG_TRACEPOINT_H + +/* + * Copyright 2011-2012 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include +#include +#include +#include +#include +#include /* for dlopen */ +#include /* for memset */ +#include /* for sdt */ +#include + +#ifdef LTTNG_UST_HAVE_SDT_INTEGRATION +#define SDT_USE_VARIADIC +#include +#define LTTNG_STAP_PROBEV STAP_PROBEV +#else +#define LTTNG_STAP_PROBEV(...) +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#define tracepoint_enabled(provider, name) \ + caa_unlikely(CMM_LOAD_SHARED(__tracepoint_##provider##___##name.state)) + +#define do_tracepoint(provider, name, ...) \ + __tracepoint_cb_##provider##___##name(__VA_ARGS__) + +#define tracepoint(provider, name, ...) \ + do { \ + LTTNG_STAP_PROBEV(provider, name, ## __VA_ARGS__); \ + if (tracepoint_enabled(provider, name)) \ + do_tracepoint(provider, name, __VA_ARGS__); \ + } while (0) + +#define TP_ARGS(...) __VA_ARGS__ + +/* + * TP_ARGS takes tuples of type, argument separated by a comma. + * It can take up to 10 tuples (which means that less than 10 tuples is + * fine too). + * Each tuple is also separated by a comma. + */ +#define __TP_COMBINE_TOKENS(_tokena, _tokenb) \ + _tokena##_tokenb +#define _TP_COMBINE_TOKENS(_tokena, _tokenb) \ + __TP_COMBINE_TOKENS(_tokena, _tokenb) +#define __TP_COMBINE_TOKENS3(_tokena, _tokenb, _tokenc) \ + _tokena##_tokenb##_tokenc +#define _TP_COMBINE_TOKENS3(_tokena, _tokenb, _tokenc) \ + __TP_COMBINE_TOKENS3(_tokena, _tokenb, _tokenc) +#define __TP_COMBINE_TOKENS4(_tokena, _tokenb, _tokenc, _tokend) \ + _tokena##_tokenb##_tokenc##_tokend +#define _TP_COMBINE_TOKENS4(_tokena, _tokenb, _tokenc, _tokend) \ + __TP_COMBINE_TOKENS4(_tokena, _tokenb, _tokenc, _tokend) + +/* + * _TP_EXVAR* extract the var names. + * _TP_EXVAR1 and _TP_EXDATA_VAR1 are needed for -std=c99. + */ +#define _TP_EXVAR0() +#define _TP_EXVAR1(a) +#define _TP_EXVAR2(a,b) b +#define _TP_EXVAR4(a,b,c,d) b,d +#define _TP_EXVAR6(a,b,c,d,e,f) b,d,f +#define _TP_EXVAR8(a,b,c,d,e,f,g,h) b,d,f,h +#define _TP_EXVAR10(a,b,c,d,e,f,g,h,i,j) b,d,f,h,j +#define _TP_EXVAR12(a,b,c,d,e,f,g,h,i,j,k,l) b,d,f,h,j,l +#define _TP_EXVAR14(a,b,c,d,e,f,g,h,i,j,k,l,m,n) b,d,f,h,j,l,n +#define _TP_EXVAR16(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) b,d,f,h,j,l,n,p +#define _TP_EXVAR18(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r) b,d,f,h,j,l,n,p,r +#define _TP_EXVAR20(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t) b,d,f,h,j,l,n,p,r,t + +#define _TP_EXDATA_VAR0() __tp_data +#define _TP_EXDATA_VAR1(a) __tp_data +#define _TP_EXDATA_VAR2(a,b) __tp_data,b +#define _TP_EXDATA_VAR4(a,b,c,d) __tp_data,b,d +#define _TP_EXDATA_VAR6(a,b,c,d,e,f) __tp_data,b,d,f +#define _TP_EXDATA_VAR8(a,b,c,d,e,f,g,h) __tp_data,b,d,f,h +#define _TP_EXDATA_VAR10(a,b,c,d,e,f,g,h,i,j) __tp_data,b,d,f,h,j +#define _TP_EXDATA_VAR12(a,b,c,d,e,f,g,h,i,j,k,l) __tp_data,b,d,f,h,j,l +#define _TP_EXDATA_VAR14(a,b,c,d,e,f,g,h,i,j,k,l,m,n) __tp_data,b,d,f,h,j,l,n +#define _TP_EXDATA_VAR16(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) __tp_data,b,d,f,h,j,l,n,p +#define _TP_EXDATA_VAR18(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r) __tp_data,b,d,f,h,j,l,n,p,r +#define _TP_EXDATA_VAR20(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t) __tp_data,b,d,f,h,j,l,n,p,r,t + +/* + * _TP_EXPROTO* extract tuples of type, var. + * _TP_EXPROTO1 and _TP_EXDATA_PROTO1 are needed for -std=c99. + */ +#define _TP_EXPROTO0() void +#define _TP_EXPROTO1(a) void +#define _TP_EXPROTO2(a,b) a b +#define _TP_EXPROTO4(a,b,c,d) a b,c d +#define _TP_EXPROTO6(a,b,c,d,e,f) a b,c d,e f +#define _TP_EXPROTO8(a,b,c,d,e,f,g,h) a b,c d,e f,g h +#define _TP_EXPROTO10(a,b,c,d,e,f,g,h,i,j) a b,c d,e f,g h,i j +#define _TP_EXPROTO12(a,b,c,d,e,f,g,h,i,j,k,l) a b,c d,e f,g h,i j,k l +#define _TP_EXPROTO14(a,b,c,d,e,f,g,h,i,j,k,l,m,n) a b,c d,e f,g h,i j,k l,m n +#define _TP_EXPROTO16(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) a b,c d,e f,g h,i j,k l,m n,o p +#define _TP_EXPROTO18(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r) a b,c d,e f,g h,i j,k l,m n,o p,q r +#define _TP_EXPROTO20(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t) a b,c d,e f,g h,i j,k l,m n,o p,q r,s t + +#define _TP_EXDATA_PROTO0() void *__tp_data +#define _TP_EXDATA_PROTO1(a) void *__tp_data +#define _TP_EXDATA_PROTO2(a,b) void *__tp_data,a b +#define _TP_EXDATA_PROTO4(a,b,c,d) void *__tp_data,a b,c d +#define _TP_EXDATA_PROTO6(a,b,c,d,e,f) void *__tp_data,a b,c d,e f +#define _TP_EXDATA_PROTO8(a,b,c,d,e,f,g,h) void *__tp_data,a b,c d,e f,g h +#define _TP_EXDATA_PROTO10(a,b,c,d,e,f,g,h,i,j) void *__tp_data,a b,c d,e f,g h,i j +#define _TP_EXDATA_PROTO12(a,b,c,d,e,f,g,h,i,j,k,l) void *__tp_data,a b,c d,e f,g h,i j,k l +#define _TP_EXDATA_PROTO14(a,b,c,d,e,f,g,h,i,j,k,l,m,n) void *__tp_data,a b,c d,e f,g h,i j,k l,m n +#define _TP_EXDATA_PROTO16(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) void *__tp_data,a b,c d,e f,g h,i j,k l,m n,o p +#define _TP_EXDATA_PROTO18(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r) void *__tp_data,a b,c d,e f,g h,i j,k l,m n,o p,q r +#define _TP_EXDATA_PROTO20(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t) void *__tp_data,a b,c d,e f,g h,i j,k l,m n,o p,q r,s t + +/* Preprocessor trick to count arguments. Inspired from sdt.h. */ +#define _TP_NARGS(...) __TP_NARGS(__VA_ARGS__, 20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0) +#define __TP_NARGS(_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,_11,_12,_13,_14,_15,_16,_17,_18,_19,_20, N, ...) N +#define _TP_PROTO_N(N, ...) _TP_PARAMS(_TP_COMBINE_TOKENS(_TP_EXPROTO, N)(__VA_ARGS__)) +#define _TP_VAR_N(N, ...) _TP_PARAMS(_TP_COMBINE_TOKENS(_TP_EXVAR, N)(__VA_ARGS__)) +#define _TP_DATA_PROTO_N(N, ...) _TP_PARAMS(_TP_COMBINE_TOKENS(_TP_EXDATA_PROTO, N)(__VA_ARGS__)) +#define _TP_DATA_VAR_N(N, ...) _TP_PARAMS(_TP_COMBINE_TOKENS(_TP_EXDATA_VAR, N)(__VA_ARGS__)) +#define _TP_ARGS_PROTO(...) _TP_PROTO_N(_TP_NARGS(0, ##__VA_ARGS__), ##__VA_ARGS__) +#define _TP_ARGS_VAR(...) _TP_VAR_N(_TP_NARGS(0, ##__VA_ARGS__), ##__VA_ARGS__) +#define _TP_ARGS_DATA_PROTO(...) _TP_DATA_PROTO_N(_TP_NARGS(0, ##__VA_ARGS__), ##__VA_ARGS__) +#define _TP_ARGS_DATA_VAR(...) _TP_DATA_VAR_N(_TP_NARGS(0, ##__VA_ARGS__), ##__VA_ARGS__) +#define _TP_PARAMS(...) __VA_ARGS__ + +/* + * The tracepoint cb is marked always inline so we can distinguish + * between caller's ip addresses within the probe using the return + * address. + */ +#define _DECLARE_TRACEPOINT(_provider, _name, ...) \ +extern struct lttng_ust_tracepoint __tracepoint_##_provider##___##_name; \ +static inline __attribute__((always_inline, unused)) lttng_ust_notrace \ +void __tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__)); \ +static \ +void __tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__)) \ +{ \ + struct lttng_ust_tracepoint_probe *__tp_probe; \ + \ + if (caa_unlikely(!TP_RCU_LINK_TEST())) \ + return; \ + tp_rcu_read_lock_bp(); \ + __tp_probe = tp_rcu_dereference_bp(__tracepoint_##_provider##___##_name.probes); \ + if (caa_unlikely(!__tp_probe)) \ + goto end; \ + do { \ + void (*__tp_cb)(void) = __tp_probe->func; \ + void *__tp_data = __tp_probe->data; \ + \ + URCU_FORCE_CAST(void (*)(_TP_ARGS_DATA_PROTO(__VA_ARGS__)), __tp_cb) \ + (_TP_ARGS_DATA_VAR(__VA_ARGS__)); \ + } while ((++__tp_probe)->func); \ +end: \ + tp_rcu_read_unlock_bp(); \ +} \ +static inline lttng_ust_notrace \ +void __tracepoint_register_##_provider##___##_name(char *name, \ + void (*func)(void), void *data); \ +static inline \ +void __tracepoint_register_##_provider##___##_name(char *name, \ + void (*func)(void), void *data) \ +{ \ + __tracepoint_probe_register(name, func, data, \ + __tracepoint_##_provider##___##_name.signature); \ +} \ +static inline lttng_ust_notrace \ +void __tracepoint_unregister_##_provider##___##_name(char *name, \ + void (*func)(void), void *data); \ +static inline \ +void __tracepoint_unregister_##_provider##___##_name(char *name, \ + void (*func)(void), void *data) \ +{ \ + __tracepoint_probe_unregister(name, func, data); \ +} + +extern int __tracepoint_probe_register(const char *name, void (*func)(void), + void *data, const char *signature); +extern int __tracepoint_probe_unregister(const char *name, void (*func)(void), + void *data); + +/* + * tracepoint dynamic linkage handling (callbacks). Hidden visibility: + * shared across objects in a module/main executable. + */ +struct lttng_ust_tracepoint_dlopen { + void *liblttngust_handle; + + int (*tracepoint_register_lib)(struct lttng_ust_tracepoint * const *tracepoints_start, + int tracepoints_count); + int (*tracepoint_unregister_lib)(struct lttng_ust_tracepoint * const *tracepoints_start); + void (*rcu_read_lock_sym_bp)(void); + void (*rcu_read_unlock_sym_bp)(void); + void *(*rcu_dereference_sym_bp)(void *p); +}; + +extern struct lttng_ust_tracepoint_dlopen tracepoint_dlopen; +extern struct lttng_ust_tracepoint_dlopen *tracepoint_dlopen_ptr; + +/* Disable tracepoint destructors. */ +int __tracepoints__disable_destructors __attribute__((weak)); + +/* + * Programs that have threads that survive after they exit, and + * therefore call library destructors, should disable the tracepoint + * destructors by calling tracepoint_disable_destructors(). This will + * leak the tracepoint instrumentation library shared object, leaving + * its teardown to the operating system process teardown. + */ +static inline void tracepoint_disable_destructors(void) +{ + __tracepoints__disable_destructors = 1; +} + +#if defined(TRACEPOINT_DEFINE) || defined(TRACEPOINT_CREATE_PROBES) + +/* + * These weak symbols, the constructor, and destructor take care of + * registering only _one_ instance of the tracepoints per shared-ojbect + * (or for the whole main program). + */ +int __tracepoint_registered + __attribute__((weak, visibility("hidden"))); +int __tracepoint_ptrs_registered + __attribute__((weak, visibility("hidden"))); +struct lttng_ust_tracepoint_dlopen tracepoint_dlopen + __attribute__((weak, visibility("hidden"))); +/* + * Deal with gcc O1 optimisation issues with weak hidden symbols. gcc + * 4.8 and prior does not have the same behavior for symbol scoping on + * 32-bit powerpc depending on the object size: symbols for objects of 8 + * bytes or less have the same address throughout a module, whereas they + * have different addresses between compile units for objects larger + * than 8 bytes. Add this pointer indirection to ensure that the symbol + * scoping match that of the other weak hidden symbols found in this + * header. + */ +struct lttng_ust_tracepoint_dlopen *tracepoint_dlopen_ptr + __attribute__((weak, visibility("hidden"))); + +#ifndef _LGPL_SOURCE +static inline void lttng_ust_notrace +__tracepoint__init_urcu_sym(void); +static inline void +__tracepoint__init_urcu_sym(void) +{ + if (!tracepoint_dlopen_ptr) + tracepoint_dlopen_ptr = &tracepoint_dlopen; + /* + * Symbols below are needed by tracepoint call sites and probe + * providers. + */ + if (!tracepoint_dlopen_ptr->rcu_read_lock_sym_bp) + tracepoint_dlopen_ptr->rcu_read_lock_sym_bp = + URCU_FORCE_CAST(void (*)(void), + dlsym(tracepoint_dlopen_ptr->liblttngust_handle, + "tp_rcu_read_lock_bp")); + if (!tracepoint_dlopen_ptr->rcu_read_unlock_sym_bp) + tracepoint_dlopen_ptr->rcu_read_unlock_sym_bp = + URCU_FORCE_CAST(void (*)(void), + dlsym(tracepoint_dlopen_ptr->liblttngust_handle, + "tp_rcu_read_unlock_bp")); + if (!tracepoint_dlopen_ptr->rcu_dereference_sym_bp) + tracepoint_dlopen_ptr->rcu_dereference_sym_bp = + URCU_FORCE_CAST(void *(*)(void *p), + dlsym(tracepoint_dlopen_ptr->liblttngust_handle, + "tp_rcu_dereference_sym_bp")); +} +#else +static inline void lttng_ust_notrace +__tracepoint__init_urcu_sym(void); +static inline void +__tracepoint__init_urcu_sym(void) +{ +} +#endif + +static void lttng_ust_notrace __attribute__((constructor)) +__tracepoints__init(void); +static void +__tracepoints__init(void) +{ + if (__tracepoint_registered++) { + if (!tracepoint_dlopen_ptr->liblttngust_handle) + return; + __tracepoint__init_urcu_sym(); + return; + } + + if (!tracepoint_dlopen_ptr) + tracepoint_dlopen_ptr = &tracepoint_dlopen; + if (!tracepoint_dlopen_ptr->liblttngust_handle) + tracepoint_dlopen_ptr->liblttngust_handle = + dlopen("liblttng-ust-tracepoint.so.0", RTLD_NOW | RTLD_GLOBAL); + if (!tracepoint_dlopen_ptr->liblttngust_handle) + return; + __tracepoint__init_urcu_sym(); +} + +static void lttng_ust_notrace __attribute__((destructor)) +__tracepoints__destroy(void); +static void +__tracepoints__destroy(void) +{ + int ret; + + if (--__tracepoint_registered) + return; + if (!tracepoint_dlopen_ptr) + tracepoint_dlopen_ptr = &tracepoint_dlopen; + if (!__tracepoints__disable_destructors + && tracepoint_dlopen_ptr->liblttngust_handle + && !__tracepoint_ptrs_registered) { + ret = dlclose(tracepoint_dlopen_ptr->liblttngust_handle); + if (ret) { + fprintf(stderr, "Error (%d) in dlclose\n", ret); + abort(); + } + memset(tracepoint_dlopen_ptr, 0, sizeof(*tracepoint_dlopen_ptr)); + } +} + +#endif + +#ifdef TRACEPOINT_DEFINE + +/* + * These weak symbols, the constructor, and destructor take care of + * registering only _one_ instance of the tracepoints per shared-ojbect + * (or for the whole main program). + */ +extern struct lttng_ust_tracepoint * const __start___tracepoints_ptrs[] + __attribute__((weak, visibility("hidden"))); +extern struct lttng_ust_tracepoint * const __stop___tracepoints_ptrs[] + __attribute__((weak, visibility("hidden"))); + +/* + * When TRACEPOINT_PROBE_DYNAMIC_LINKAGE is defined, we do not emit a + * unresolved symbol that requires the provider to be linked in. When + * TRACEPOINT_PROBE_DYNAMIC_LINKAGE is not defined, we emit an + * unresolved symbol that depends on having the provider linked in, + * otherwise the linker complains. This deals with use of static + * libraries, ensuring that the linker does not remove the provider + * object from the executable. + */ +#ifdef TRACEPOINT_PROBE_DYNAMIC_LINKAGE +#define _TRACEPOINT_UNDEFINED_REF(provider) NULL +#else /* TRACEPOINT_PROBE_DYNAMIC_LINKAGE */ +#define _TRACEPOINT_UNDEFINED_REF(provider) &__tracepoint_provider_##provider +#endif /* TRACEPOINT_PROBE_DYNAMIC_LINKAGE */ + +/* + * Note: to allow PIC code, we need to allow the linker to update the pointers + * in the __tracepoints_ptrs section. + * Therefore, this section is _not_ const (read-only). + */ +#define _TP_EXTRACT_STRING(...) #__VA_ARGS__ + +#define _DEFINE_TRACEPOINT(_provider, _name, _args) \ + extern int __tracepoint_provider_##_provider; \ + static const char __tp_strtab_##_provider##___##_name[] \ + __attribute__((section("__tracepoints_strings"))) = \ + #_provider ":" #_name; \ + struct lttng_ust_tracepoint __tracepoint_##_provider##___##_name \ + __attribute__((section("__tracepoints"))) = \ + { \ + __tp_strtab_##_provider##___##_name, \ + 0, \ + NULL, \ + _TRACEPOINT_UNDEFINED_REF(_provider), \ + _TP_EXTRACT_STRING(_args), \ + { }, \ + }; \ + static struct lttng_ust_tracepoint * \ + __tracepoint_ptr_##_provider##___##_name \ + __attribute__((used, section("__tracepoints_ptrs"))) = \ + &__tracepoint_##_provider##___##_name; + +static void lttng_ust_notrace __attribute__((constructor)) +__tracepoints__ptrs_init(void); +static void +__tracepoints__ptrs_init(void) +{ + if (__tracepoint_ptrs_registered++) + return; + if (!tracepoint_dlopen_ptr) + tracepoint_dlopen_ptr = &tracepoint_dlopen; + if (!tracepoint_dlopen_ptr->liblttngust_handle) + tracepoint_dlopen_ptr->liblttngust_handle = + dlopen("liblttng-ust-tracepoint.so.0", RTLD_NOW | RTLD_GLOBAL); + if (!tracepoint_dlopen_ptr->liblttngust_handle) + return; + tracepoint_dlopen_ptr->tracepoint_register_lib = + URCU_FORCE_CAST(int (*)(struct lttng_ust_tracepoint * const *, int), + dlsym(tracepoint_dlopen_ptr->liblttngust_handle, + "tracepoint_register_lib")); + tracepoint_dlopen_ptr->tracepoint_unregister_lib = + URCU_FORCE_CAST(int (*)(struct lttng_ust_tracepoint * const *), + dlsym(tracepoint_dlopen_ptr->liblttngust_handle, + "tracepoint_unregister_lib")); + __tracepoint__init_urcu_sym(); + if (tracepoint_dlopen_ptr->tracepoint_register_lib) { + tracepoint_dlopen_ptr->tracepoint_register_lib(__start___tracepoints_ptrs, + __stop___tracepoints_ptrs - + __start___tracepoints_ptrs); + } +} + +static void lttng_ust_notrace __attribute__((destructor)) +__tracepoints__ptrs_destroy(void); +static void +__tracepoints__ptrs_destroy(void) +{ + int ret; + + if (--__tracepoint_ptrs_registered) + return; + if (!tracepoint_dlopen_ptr) + tracepoint_dlopen_ptr = &tracepoint_dlopen; + if (tracepoint_dlopen_ptr->tracepoint_unregister_lib) + tracepoint_dlopen_ptr->tracepoint_unregister_lib(__start___tracepoints_ptrs); + if (!__tracepoints__disable_destructors + && tracepoint_dlopen_ptr->liblttngust_handle + && !__tracepoint_ptrs_registered) { + ret = dlclose(tracepoint_dlopen_ptr->liblttngust_handle); + if (ret) { + fprintf(stderr, "Error (%d) in dlclose\n", ret); + abort(); + } + memset(tracepoint_dlopen_ptr, 0, sizeof(*tracepoint_dlopen_ptr)); + } +} + +#else /* TRACEPOINT_DEFINE */ + +#define _DEFINE_TRACEPOINT(_provider, _name, _args) + +#endif /* #else TRACEPOINT_DEFINE */ + +#ifdef __cplusplus +} +#endif + +#endif /* _LTTNG_TRACEPOINT_H */ + +/* The following declarations must be outside re-inclusion protection. */ + +#ifndef TRACEPOINT_ENUM + +/* + * Tracepoint Enumerations + * + * The enumeration is a mapping between an integer, or range of integers, and + * a string. It can be used to have a more compact trace in cases where the + * possible values for a field are limited: + * + * An example: + * + * TRACEPOINT_ENUM(someproject_component, enumname, + * TP_ENUM_VALUES( + * ctf_enum_value("even", 0) + * ctf_enum_value("uneven", 1) + * ctf_enum_range("twoto4", 2, 4) + * ctf_enum_value("five", 5) + * ) + * ) + * + * Where "someproject_component" is the name of the component this enumeration + * belongs to and "enumname" identifies this enumeration. Inside the + * TP_ENUM_VALUES macro is the actual mapping. Each string value can map + * to either a single value with ctf_enum_value or a range of values + * with ctf_enum_range. + * + * Enumeration ranges may overlap, but the behavior is implementation-defined, + * each trace reader will handle overlapping as it wishes. + * + * That enumeration can then be used in a field inside the TP_FIELD macro using + * the following line: + * + * ctf_enum(someproject_component, enumname, enumtype, enumfield, enumval) + * + * Where "someproject_component" and "enumname" match those in the + * TRACEPOINT_ENUM, "enumtype" is a signed or unsigned integer type + * backing the enumeration, "enumfield" is the name of the field and + * "enumval" is the value. + */ + +#define TRACEPOINT_ENUM(provider, name, values) + +#endif /* #ifndef TRACEPOINT_ENUM */ + +#ifndef TRACEPOINT_EVENT + +/* + * How to use the TRACEPOINT_EVENT macro: + * + * An example: + * + * TRACEPOINT_EVENT(someproject_component, event_name, + * + * * TP_ARGS takes from 0 to 10 "type, field_name" pairs * + * + * TP_ARGS(int, arg0, void *, arg1, char *, string, size_t, strlen, + * long *, arg4, size_t, arg4_len), + * + * * TP_FIELDS describes the event payload layout in the trace * + * + * TP_FIELDS( + * * Integer, printed in base 10 * + * ctf_integer(int, field_a, arg0) + * + * * Integer, printed with 0x base 16 * + * ctf_integer_hex(unsigned long, field_d, arg1) + * + * * Enumeration * + * ctf_enum(someproject_component, enum_name, int, field_e, arg0) + * + * * Array Sequence, printed as UTF8-encoded array of bytes * + * ctf_array_text(char, field_b, string, FIXED_LEN) + * ctf_sequence_text(char, field_c, string, size_t, strlen) + * + * * String, printed as UTF8-encoded string * + * ctf_string(field_e, string) + * + * * Array sequence of signed integer values * + * ctf_array(long, field_f, arg4, FIXED_LEN4) + * ctf_sequence(long, field_g, arg4, size_t, arg4_len) + * ) + * ) + * + * More detailed explanation: + * + * The name of the tracepoint is expressed as a tuple with the provider + * and name arguments. + * + * The provider and name should be a proper C99 identifier. + * The "provider" and "name" MUST follow these rules to ensure no + * namespace clash occurs: + * + * For projects (applications and libraries) for which an entity + * specific to the project controls the source code and thus its + * tracepoints (typically with a scope larger than a single company): + * + * either: + * project_component, event + * or: + * project, event + * + * Where "project" is the name of the project, + * "component" is the name of the project component (which may + * include several levels of sub-components, e.g. + * ...component_subcomponent_...) where the tracepoint is located + * (optional), + * "event" is the name of the tracepoint event. + * + * For projects issued from a single company wishing to advertise that + * the company controls the source code and thus the tracepoints, the + * "com_" prefix should be used: + * + * either: + * com_company_project_component, event + * or: + * com_company_project, event + * + * Where "company" is the name of the company, + * "project" is the name of the project, + * "component" is the name of the project component (which may + * include several levels of sub-components, e.g. + * ...component_subcomponent_...) where the tracepoint is located + * (optional), + * "event" is the name of the tracepoint event. + * + * the provider:event identifier is limited to 127 characters. + */ + +#define TRACEPOINT_EVENT(provider, name, args, fields) \ + _DECLARE_TRACEPOINT(provider, name, _TP_PARAMS(args)) \ + _DEFINE_TRACEPOINT(provider, name, _TP_PARAMS(args)) + +#define TRACEPOINT_EVENT_CLASS(provider, name, args, fields) + +#define TRACEPOINT_EVENT_INSTANCE(provider, _template, name, args) \ + _DECLARE_TRACEPOINT(provider, name, _TP_PARAMS(args)) \ + _DEFINE_TRACEPOINT(provider, name, _TP_PARAMS(args)) + +#endif /* #ifndef TRACEPOINT_EVENT */ + +#ifndef TRACEPOINT_LOGLEVEL + +/* + * Tracepoint Loglevels + * + * Typical use of these loglevels: + * + * The loglevels go from 0 to 14. Higher numbers imply the most + * verbosity (higher event throughput expected. + * + * Loglevels 0 through 6, and loglevel 14, match syslog(3) loglevels + * semantic. Loglevels 7 through 13 offer more fine-grained selection of + * debug information. + * + * TRACE_EMERG 0 + * system is unusable + * + * TRACE_ALERT 1 + * action must be taken immediately + * + * TRACE_CRIT 2 + * critical conditions + * + * TRACE_ERR 3 + * error conditions + * + * TRACE_WARNING 4 + * warning conditions + * + * TRACE_NOTICE 5 + * normal, but significant, condition + * + * TRACE_INFO 6 + * informational message + * + * TRACE_DEBUG_SYSTEM 7 + * debug information with system-level scope (set of programs) + * + * TRACE_DEBUG_PROGRAM 8 + * debug information with program-level scope (set of processes) + * + * TRACE_DEBUG_PROCESS 9 + * debug information with process-level scope (set of modules) + * + * TRACE_DEBUG_MODULE 10 + * debug information with module (executable/library) scope (set of units) + * + * TRACE_DEBUG_UNIT 11 + * debug information with compilation unit scope (set of functions) + * + * TRACE_DEBUG_FUNCTION 12 + * debug information with function-level scope + * + * TRACE_DEBUG_LINE 13 + * debug information with line-level scope (TRACEPOINT_EVENT default) + * + * TRACE_DEBUG 14 + * debug-level message + * + * Declare tracepoint loglevels for tracepoints. A TRACEPOINT_EVENT + * should be declared prior to the the TRACEPOINT_LOGLEVEL for a given + * tracepoint name. The first field is the provider name, the second + * field is the name of the tracepoint, the third field is the loglevel + * name. + * + * TRACEPOINT_LOGLEVEL(< [com_company_]project[_component] >, < event >, + * < loglevel_name >) + * + * The TRACEPOINT_PROVIDER must be already declared before declaring a + * TRACEPOINT_LOGLEVEL. + */ + +enum { + TRACE_EMERG = 0, + TRACE_ALERT = 1, + TRACE_CRIT = 2, + TRACE_ERR = 3, + TRACE_WARNING = 4, + TRACE_NOTICE = 5, + TRACE_INFO = 6, + TRACE_DEBUG_SYSTEM = 7, + TRACE_DEBUG_PROGRAM = 8, + TRACE_DEBUG_PROCESS = 9, + TRACE_DEBUG_MODULE = 10, + TRACE_DEBUG_UNIT = 11, + TRACE_DEBUG_FUNCTION = 12, + TRACE_DEBUG_LINE = 13, + TRACE_DEBUG = 14, +}; + +#define TRACEPOINT_LOGLEVEL(provider, name, loglevel) + +#endif /* #ifndef TRACEPOINT_LOGLEVEL */ + +#ifndef TRACEPOINT_MODEL_EMF_URI + +#define TRACEPOINT_MODEL_EMF_URI(provider, name, uri) + +#endif /* #ifndef TRACEPOINT_MODEL_EMF_URI */ diff --git a/include/lttng/ust-abi.h b/include/lttng/ust-abi.h new file mode 100644 index 0000000..8cae00e --- /dev/null +++ b/include/lttng/ust-abi.h @@ -0,0 +1,337 @@ +#ifndef _LTTNG_UST_ABI_H +#define _LTTNG_UST_ABI_H + +/* + * lttng/ust-abi.h + * + * LTTng-UST ABI header + * + * Copyright 2010-2012 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include + +#ifndef __ust_stringify +#define __ust_stringify1(x) #x +#define __ust_stringify(x) __ust_stringify1(x) +#endif /* __ust_stringify */ + +#define LTTNG_UST_SYM_NAME_LEN 256 +#define LTTNG_UST_ABI_PROCNAME_LEN 16 + +/* UST comm magic number, used to validate protocol and endianness. */ +#define LTTNG_UST_COMM_MAGIC 0xC57C57C5 + +/* Version for ABI between liblttng-ust, sessiond, consumerd */ +#define LTTNG_UST_ABI_MAJOR_VERSION 6 +#define LTTNG_UST_ABI_MINOR_VERSION 1 + +enum lttng_ust_instrumentation { + LTTNG_UST_TRACEPOINT = 0, + LTTNG_UST_PROBE = 1, + LTTNG_UST_FUNCTION = 2, +}; + +enum lttng_ust_loglevel_type { + LTTNG_UST_LOGLEVEL_ALL = 0, + LTTNG_UST_LOGLEVEL_RANGE = 1, + LTTNG_UST_LOGLEVEL_SINGLE = 2, +}; + +enum lttng_ust_output { + LTTNG_UST_MMAP = 0, +}; + +enum lttng_ust_chan_type { + LTTNG_UST_CHAN_PER_CPU = 0, + LTTNG_UST_CHAN_METADATA = 1, +}; + +struct lttng_ust_tracer_version { + uint32_t major; + uint32_t minor; + uint32_t patchlevel; +} LTTNG_PACKED; + +#define LTTNG_UST_CHANNEL_PADDING (LTTNG_UST_SYM_NAME_LEN + 32) +/* + * Given that the consumerd is limited to 64k file descriptors, we + * cannot expect much more than 1MB channel structure size. This size is + * depends on the number of streams within a channel, which depends on + * the number of possible CPUs on the system. + */ +#define LTTNG_UST_CHANNEL_DATA_MAX_LEN 1048576U +struct lttng_ust_channel { + uint64_t len; + enum lttng_ust_chan_type type; + char padding[LTTNG_UST_CHANNEL_PADDING]; + char data[]; /* variable sized data */ +} LTTNG_PACKED; + +#define LTTNG_UST_STREAM_PADDING1 (LTTNG_UST_SYM_NAME_LEN + 32) +struct lttng_ust_stream { + uint64_t len; /* shm len */ + uint32_t stream_nr; /* stream number */ + char padding[LTTNG_UST_STREAM_PADDING1]; + /* + * shm_fd and wakeup_fd are send over unix socket as file + * descriptors after this structure. + */ +} LTTNG_PACKED; + +#define LTTNG_UST_EVENT_PADDING1 16 +#define LTTNG_UST_EVENT_PADDING2 (LTTNG_UST_SYM_NAME_LEN + 32) +struct lttng_ust_event { + enum lttng_ust_instrumentation instrumentation; + char name[LTTNG_UST_SYM_NAME_LEN]; /* event name */ + + enum lttng_ust_loglevel_type loglevel_type; + int loglevel; /* value, -1: all */ + char padding[LTTNG_UST_EVENT_PADDING1]; + + /* Per instrumentation type configuration */ + union { + char padding[LTTNG_UST_EVENT_PADDING2]; + } u; +} LTTNG_PACKED; + +enum lttng_ust_field_type { + LTTNG_UST_FIELD_OTHER = 0, + LTTNG_UST_FIELD_INTEGER = 1, + LTTNG_UST_FIELD_ENUM = 2, + LTTNG_UST_FIELD_FLOAT = 3, + LTTNG_UST_FIELD_STRING = 4, +}; + +#define LTTNG_UST_FIELD_ITER_PADDING (LTTNG_UST_SYM_NAME_LEN + 28) +struct lttng_ust_field_iter { + char event_name[LTTNG_UST_SYM_NAME_LEN]; + char field_name[LTTNG_UST_SYM_NAME_LEN]; + enum lttng_ust_field_type type; + int loglevel; /* event loglevel */ + int nowrite; + char padding[LTTNG_UST_FIELD_ITER_PADDING]; +} LTTNG_PACKED; + +enum lttng_ust_context_type { + LTTNG_UST_CONTEXT_VTID = 0, + LTTNG_UST_CONTEXT_VPID = 1, + LTTNG_UST_CONTEXT_PTHREAD_ID = 2, + LTTNG_UST_CONTEXT_PROCNAME = 3, + LTTNG_UST_CONTEXT_IP = 4, + LTTNG_UST_CONTEXT_PERF_THREAD_COUNTER = 5, + LTTNG_UST_CONTEXT_CPU_ID = 6, + LTTNG_UST_CONTEXT_APP_CONTEXT = 7, +}; + +struct lttng_ust_perf_counter_ctx { + uint32_t type; + uint64_t config; + char name[LTTNG_UST_SYM_NAME_LEN]; +} LTTNG_PACKED; + +#define LTTNG_UST_CONTEXT_PADDING1 16 +#define LTTNG_UST_CONTEXT_PADDING2 (LTTNG_UST_SYM_NAME_LEN + 32) +struct lttng_ust_context { + enum lttng_ust_context_type ctx; + char padding[LTTNG_UST_CONTEXT_PADDING1]; + + union { + struct lttng_ust_perf_counter_ctx perf_counter; + struct { + /* Includes trailing '\0'. */ + uint32_t provider_name_len; + uint32_t ctx_name_len; + } app_ctx; + char padding[LTTNG_UST_CONTEXT_PADDING2]; + } u; +} LTTNG_PACKED; + +/* + * Tracer channel attributes. + */ +#define LTTNG_UST_CHANNEL_ATTR_PADDING (LTTNG_UST_SYM_NAME_LEN + 32) +struct lttng_ust_channel_attr { + uint64_t subbuf_size; /* bytes */ + uint64_t num_subbuf; /* power of 2 */ + int overwrite; /* 1: overwrite, 0: discard */ + unsigned int switch_timer_interval; /* usec */ + unsigned int read_timer_interval; /* usec */ + enum lttng_ust_output output; /* splice, mmap */ + char padding[LTTNG_UST_CHANNEL_ATTR_PADDING]; +} LTTNG_PACKED; + +#define LTTNG_UST_TRACEPOINT_ITER_PADDING 16 +struct lttng_ust_tracepoint_iter { + char name[LTTNG_UST_SYM_NAME_LEN]; /* provider:name */ + int loglevel; + char padding[LTTNG_UST_TRACEPOINT_ITER_PADDING]; +} LTTNG_PACKED; + +enum lttng_ust_object_type { + LTTNG_UST_OBJECT_TYPE_UNKNOWN = -1, + LTTNG_UST_OBJECT_TYPE_CHANNEL = 0, + LTTNG_UST_OBJECT_TYPE_STREAM = 1, + LTTNG_UST_OBJECT_TYPE_EVENT = 2, + LTTNG_UST_OBJECT_TYPE_CONTEXT = 3, +}; + +#define LTTNG_UST_OBJECT_DATA_PADDING1 32 +#define LTTNG_UST_OBJECT_DATA_PADDING2 (LTTNG_UST_SYM_NAME_LEN + 32) + +struct lttng_ust_object_data { + enum lttng_ust_object_type type; + int handle; + uint64_t size; + char padding1[LTTNG_UST_OBJECT_DATA_PADDING1]; + union { + struct { + void *data; + enum lttng_ust_chan_type type; + int wakeup_fd; + } channel; + struct { + int shm_fd; + int wakeup_fd; + uint32_t stream_nr; + } stream; + char padding2[LTTNG_UST_OBJECT_DATA_PADDING2]; + } u; +} LTTNG_PACKED; + +enum lttng_ust_calibrate_type { + LTTNG_UST_CALIBRATE_TRACEPOINT, +}; + +#define LTTNG_UST_CALIBRATE_PADDING1 16 +#define LTTNG_UST_CALIBRATE_PADDING2 (LTTNG_UST_SYM_NAME_LEN + 32) +struct lttng_ust_calibrate { + enum lttng_ust_calibrate_type type; /* type (input) */ + char padding[LTTNG_UST_CALIBRATE_PADDING1]; + + union { + char padding[LTTNG_UST_CALIBRATE_PADDING2]; + } u; +} LTTNG_PACKED; + +#define FILTER_BYTECODE_MAX_LEN 65536 +#define LTTNG_UST_FILTER_PADDING 32 +struct lttng_ust_filter_bytecode { + uint32_t len; + uint32_t reloc_offset; + uint64_t seqnum; + char padding[LTTNG_UST_FILTER_PADDING]; + char data[0]; +} LTTNG_PACKED; + +#define LTTNG_UST_EXCLUSION_PADDING 32 +struct lttng_ust_event_exclusion { + uint32_t count; + char padding[LTTNG_UST_EXCLUSION_PADDING]; + char names[LTTNG_UST_SYM_NAME_LEN][0]; +} LTTNG_PACKED; + +#define _UST_CMD(minor) (minor) +#define _UST_CMDR(minor, type) (minor) +#define _UST_CMDW(minor, type) (minor) + +/* Handled by object descriptor */ +#define LTTNG_UST_RELEASE _UST_CMD(0x1) + +/* Handled by object cmd */ + +/* LTTng-UST commands */ +#define LTTNG_UST_SESSION _UST_CMD(0x40) +#define LTTNG_UST_TRACER_VERSION \ + _UST_CMDR(0x41, struct lttng_ust_tracer_version) +#define LTTNG_UST_TRACEPOINT_LIST _UST_CMD(0x42) +#define LTTNG_UST_WAIT_QUIESCENT _UST_CMD(0x43) +#define LTTNG_UST_REGISTER_DONE _UST_CMD(0x44) +#define LTTNG_UST_TRACEPOINT_FIELD_LIST _UST_CMD(0x45) + +/* Session FD commands */ +#define LTTNG_UST_CHANNEL \ + _UST_CMDW(0x51, struct lttng_ust_channel) +#define LTTNG_UST_SESSION_START _UST_CMD(0x52) +#define LTTNG_UST_SESSION_STOP _UST_CMD(0x53) + +/* Channel FD commands */ +#define LTTNG_UST_STREAM _UST_CMD(0x60) +#define LTTNG_UST_EVENT \ + _UST_CMDW(0x61, struct lttng_ust_event) + +/* Event and Channel FD commands */ +#define LTTNG_UST_CONTEXT \ + _UST_CMDW(0x70, struct lttng_ust_context) +#define LTTNG_UST_FLUSH_BUFFER \ + _UST_CMD(0x71) + +/* Event, Channel and Session commands */ +#define LTTNG_UST_ENABLE _UST_CMD(0x80) +#define LTTNG_UST_DISABLE _UST_CMD(0x81) + +/* Tracepoint list commands */ +#define LTTNG_UST_TRACEPOINT_LIST_GET _UST_CMD(0x90) +#define LTTNG_UST_TRACEPOINT_FIELD_LIST_GET _UST_CMD(0x91) + +/* Event FD commands */ +#define LTTNG_UST_FILTER _UST_CMD(0xA0) +#define LTTNG_UST_EXCLUSION _UST_CMD(0xA1) + +#define LTTNG_UST_ROOT_HANDLE 0 + +struct lttng_ust_obj; + +union ust_args { + struct { + void *chan_data; + int wakeup_fd; + } channel; + struct { + int shm_fd; + int wakeup_fd; + } stream; + struct { + struct lttng_ust_field_iter entry; + } field_list; + struct { + char *ctxname; + } app_context; +}; + +struct lttng_ust_objd_ops { + long (*cmd)(int objd, unsigned int cmd, unsigned long arg, + union ust_args *args, void *owner); + int (*release)(int objd); +}; + +/* Create root handle. Always ID 0. */ +int lttng_abi_create_root_handle(void); + +const struct lttng_ust_objd_ops *objd_ops(int id); +int lttng_ust_objd_unref(int id, int is_owner); + +void lttng_ust_abi_exit(void); +void lttng_ust_events_exit(void); +void lttng_ust_objd_table_owner_cleanup(void *owner); + +#endif /* _LTTNG_UST_ABI_H */ diff --git a/include/lttng/ust-clock.h b/include/lttng/ust-clock.h new file mode 100644 index 0000000..52455a6 --- /dev/null +++ b/include/lttng/ust-clock.h @@ -0,0 +1,67 @@ +#ifndef LTTNG_UST_CLOCK_H +#define LTTNG_UST_CLOCK_H + +/* + * Copyright (C) 2014 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +/* + * Set each callback for the trace clock override, and then enable the + * override. Those functions return negative error values on error, 0 on + * success. + */ + +/* + * Set clock override read callback. This callback should return the + * current clock time (a 64-bit monotonic counter). + */ +int lttng_ust_trace_clock_set_read64_cb(uint64_t (*read64)(void)); + +/* + * Set clock override frequency callback. This callback should return + * the frequency of the clock in cycles per second. + */ +int lttng_ust_trace_clock_set_freq_cb(uint64_t (*freq)(void)); + +/* + * Set clock override unique identifier. + * LTTNG_UST_UUID_STR_LEN is the maximum length of uuid string. Includes + * final \0. + */ +#define LTTNG_UST_UUID_STR_LEN 37 + +int lttng_ust_trace_clock_set_uuid_cb(int (*uuid)(char *uuid)); + +/* + * Set clock override name. + */ +int lttng_ust_trace_clock_set_name_cb(const char *(*name)(void)); + +/* + * Set clock override description. + */ +int lttng_ust_trace_clock_set_description_cb(const char *(*description)(void)); + +/* + * Use the clock override rather than the default clock. + */ +int lttng_ust_enable_trace_clock_override(void); + +#endif /* LTTNG_UST_CLOCK_H */ diff --git a/include/lttng/ust-compiler.h b/include/lttng/ust-compiler.h new file mode 100644 index 0000000..1d04da1 --- /dev/null +++ b/include/lttng/ust-compiler.h @@ -0,0 +1,30 @@ +#ifndef _LTTNG_UST_COMPILER_H +#define _LTTNG_UST_COMPILER_H + +/* + * Copyright 2011-2012 - Mathieu Desnoyers + * Paul Woegerer + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define lttng_ust_notrace __attribute__((no_instrument_function)) +#define LTTNG_PACKED __attribute__((__packed__)) + +#endif /* _LTTNG_UST_COMPILER_H */ diff --git a/include/lttng/ust-config.h.in b/include/lttng/ust-config.h.in new file mode 100644 index 0000000..fb08f9f --- /dev/null +++ b/include/lttng/ust-config.h.in @@ -0,0 +1,10 @@ +/* ust/config.h.in. Manually generated for control over the contained defs. */ + +/* Use efficient unaligned access. */ +#undef LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS + +/* DTrace/GDB/SystemTap integration via sdt.h */ +#undef LTTNG_UST_HAVE_SDT_INTEGRATION + +/* Perf event integration via perf_event.h */ +#undef LTTNG_UST_HAVE_PERF_EVENT diff --git a/include/lttng/ust-context-provider.h b/include/lttng/ust-context-provider.h new file mode 100644 index 0000000..5b266fa --- /dev/null +++ b/include/lttng/ust-context-provider.h @@ -0,0 +1,65 @@ +#ifndef _LTTNG_UST_CONTEXT_PROVIDER_H +#define _LTTNG_UST_CONTEXT_PROVIDER_H + +/* + * Copyright 2016 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include + +struct lttng_ust_context_provider { + char *name; + size_t (*get_size)(struct lttng_ctx_field *field, size_t offset); + void (*record)(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan); + void (*get_value)(struct lttng_ctx_field *field, + struct lttng_ctx_value *value); + struct cds_hlist_node node; +}; + +int lttng_ust_context_provider_register(struct lttng_ust_context_provider *provider); +void lttng_ust_context_provider_unregister(struct lttng_ust_context_provider *provider); + +int lttng_context_is_app(const char *name); + +void lttng_ust_context_set_session_provider(const char *name, + size_t (*get_size)(struct lttng_ctx_field *field, size_t offset), + void (*record)(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan), + void (*get_value)(struct lttng_ctx_field *field, + struct lttng_ctx_value *value)); + +int lttng_ust_add_app_context_to_ctx_rcu(const char *name, struct lttng_ctx **ctx); +int lttng_ust_context_set_provider_rcu(struct lttng_ctx **_ctx, + const char *name, + size_t (*get_size)(struct lttng_ctx_field *field, size_t offset), + void (*record)(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan), + void (*get_value)(struct lttng_ctx_field *field, + struct lttng_ctx_value *value)); +int lttng_context_add_rcu(struct lttng_ctx **ctx_p, + const struct lttng_ctx_field *f); + +#endif /* _LTTNG_UST_CONTEXT_PROVIDER_H */ diff --git a/include/lttng/ust-ctl.h b/include/lttng/ust-ctl.h new file mode 100644 index 0000000..06de95c --- /dev/null +++ b/include/lttng/ust-ctl.h @@ -0,0 +1,485 @@ +/* + * Copyright (C) 2011 - Julien Desfossez + * Copyright (C) 2011-2013 - Mathieu Desnoyers + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License only. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef _LTTNG_UST_CTL_H +#define _LTTNG_UST_CTL_H + +#include +#include +#include + +#ifndef LTTNG_UST_UUID_LEN +#define LTTNG_UST_UUID_LEN 16 +#endif + +/* Default unix socket path */ +#define LTTNG_UST_SOCK_FILENAME \ + "lttng-ust-sock-" \ + __ust_stringify(LTTNG_UST_ABI_MAJOR_VERSION) + +/* + * Shared memory files path are automatically related to shm root, e.g. + * /dev/shm under linux. + */ +#define LTTNG_UST_WAIT_FILENAME \ + "lttng-ust-wait-" \ + __ust_stringify(LTTNG_UST_ABI_MAJOR_VERSION) + +struct lttng_ust_shm_handle; +struct lttng_ust_lib_ring_buffer; + +struct ustctl_consumer_channel_attr { + enum lttng_ust_chan_type type; + uint64_t subbuf_size; /* bytes */ + uint64_t num_subbuf; /* power of 2 */ + int overwrite; /* 1: overwrite, 0: discard */ + unsigned int switch_timer_interval; /* usec */ + unsigned int read_timer_interval; /* usec */ + enum lttng_ust_output output; /* splice, mmap */ + uint32_t chan_id; /* channel ID */ + unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */ +} LTTNG_PACKED; + +/* + * API used by sessiond. + */ + +struct lttng_ust_context_attr { + enum lttng_ust_context_type ctx; + union { + struct lttng_ust_perf_counter_ctx perf_counter; + struct { + char *provider_name; + char *ctx_name; + } app_ctx; + } u; +}; + +/* + * Error values: all the following functions return: + * >= 0: Success (LTTNG_UST_OK) + * < 0: error code. + */ +int ustctl_register_done(int sock); +int ustctl_create_session(int sock); +int ustctl_create_event(int sock, struct lttng_ust_event *ev, + struct lttng_ust_object_data *channel_data, + struct lttng_ust_object_data **event_data); +int ustctl_add_context(int sock, struct lttng_ust_context_attr *ctx, + struct lttng_ust_object_data *obj_data, + struct lttng_ust_object_data **context_data); +int ustctl_set_filter(int sock, struct lttng_ust_filter_bytecode *bytecode, + struct lttng_ust_object_data *obj_data); +int ustctl_set_exclusion(int sock, struct lttng_ust_event_exclusion *exclusion, + struct lttng_ust_object_data *obj_data); + +int ustctl_enable(int sock, struct lttng_ust_object_data *object); +int ustctl_disable(int sock, struct lttng_ust_object_data *object); +int ustctl_start_session(int sock, int handle); +int ustctl_stop_session(int sock, int handle); + +/* + * ustctl_tracepoint_list returns a tracepoint list handle, or negative + * error value. + */ +int ustctl_tracepoint_list(int sock); + +/* + * ustctl_tracepoint_list_get is used to iterate on the tp list + * handle. End is iteration is reached when -LTTNG_UST_ERR_NOENT is + * returned. + */ +int ustctl_tracepoint_list_get(int sock, int tp_list_handle, + struct lttng_ust_tracepoint_iter *iter); + +/* + * ustctl_tracepoint_field_list returns a tracepoint field list handle, + * or negative error value. + */ +int ustctl_tracepoint_field_list(int sock); + +/* + * ustctl_tracepoint_field_list_get is used to iterate on the tp field + * list handle. End is iteration is reached when -LTTNG_UST_ERR_NOENT is + * returned. + */ +int ustctl_tracepoint_field_list_get(int sock, int tp_field_list_handle, + struct lttng_ust_field_iter *iter); + +int ustctl_tracer_version(int sock, struct lttng_ust_tracer_version *v); +int ustctl_wait_quiescent(int sock); + +int ustctl_sock_flush_buffer(int sock, struct lttng_ust_object_data *object); + +int ustctl_calibrate(int sock, struct lttng_ust_calibrate *calibrate); + +/* Release object created by members of this API. */ +int ustctl_release_object(int sock, struct lttng_ust_object_data *data); +/* Release handle returned by create session. */ +int ustctl_release_handle(int sock, int handle); + +int ustctl_recv_channel_from_consumer(int sock, + struct lttng_ust_object_data **channel_data); +int ustctl_recv_stream_from_consumer(int sock, + struct lttng_ust_object_data **stream_data); +int ustctl_send_channel_to_ust(int sock, int session_handle, + struct lttng_ust_object_data *channel_data); +int ustctl_send_stream_to_ust(int sock, + struct lttng_ust_object_data *channel_data, + struct lttng_ust_object_data *stream_data); + +/* + * ustctl_duplicate_ust_object_data allocated a new object in "dest" if + * it succeeds (returns 0). It must be released using + * ustctl_release_object() and then freed with free(). + */ +int ustctl_duplicate_ust_object_data(struct lttng_ust_object_data **dest, + struct lttng_ust_object_data *src); + +/* + * API used by consumer. + */ + +struct ustctl_consumer_channel; +struct ustctl_consumer_stream; +struct ustctl_consumer_channel_attr; + +int ustctl_get_nr_stream_per_channel(void); + +struct ustctl_consumer_channel * + ustctl_create_channel(struct ustctl_consumer_channel_attr *attr, + const int *stream_fds, int nr_stream_fds); +/* + * Each stream created needs to be destroyed before calling + * ustctl_destroy_channel(). + */ +void ustctl_destroy_channel(struct ustctl_consumer_channel *chan); + +int ustctl_send_channel_to_sessiond(int sock, + struct ustctl_consumer_channel *channel); +int ustctl_channel_close_wait_fd(struct ustctl_consumer_channel *consumer_chan); +int ustctl_channel_close_wakeup_fd(struct ustctl_consumer_channel *consumer_chan); +int ustctl_channel_get_wait_fd(struct ustctl_consumer_channel *consumer_chan); +int ustctl_channel_get_wakeup_fd(struct ustctl_consumer_channel *consumer_chan); + +int ustctl_write_metadata_to_channel( + struct ustctl_consumer_channel *channel, + const char *metadata_str, /* NOT null-terminated */ + size_t len); /* metadata length */ +ssize_t ustctl_write_one_packet_to_channel( + struct ustctl_consumer_channel *channel, + const char *metadata_str, /* NOT null-terminated */ + size_t len); /* metadata length */ + +/* + * Send a NULL stream to finish iteration over all streams of a given + * channel. + */ +int ustctl_send_stream_to_sessiond(int sock, + struct ustctl_consumer_stream *stream); +int ustctl_stream_close_wait_fd(struct ustctl_consumer_stream *stream); +int ustctl_stream_close_wakeup_fd(struct ustctl_consumer_stream *stream); +int ustctl_stream_get_wait_fd(struct ustctl_consumer_stream *stream); +int ustctl_stream_get_wakeup_fd(struct ustctl_consumer_stream *stream); + +/* Create/destroy stream buffers for read */ +struct ustctl_consumer_stream * + ustctl_create_stream(struct ustctl_consumer_channel *channel, + int cpu); +void ustctl_destroy_stream(struct ustctl_consumer_stream *stream); + +/* For mmap mode, readable without "get" operation */ +int ustctl_get_mmap_len(struct ustctl_consumer_stream *stream, + unsigned long *len); +int ustctl_get_max_subbuf_size(struct ustctl_consumer_stream *stream, + unsigned long *len); + +/* + * For mmap mode, operate on the current packet (between get/put or + * get_next/put_next). + */ +void *ustctl_get_mmap_base(struct ustctl_consumer_stream *stream); +int ustctl_get_mmap_read_offset(struct ustctl_consumer_stream *stream, + unsigned long *off); +int ustctl_get_subbuf_size(struct ustctl_consumer_stream *stream, + unsigned long *len); +int ustctl_get_padded_subbuf_size(struct ustctl_consumer_stream *stream, + unsigned long *len); +int ustctl_get_next_subbuf(struct ustctl_consumer_stream *stream); +int ustctl_put_next_subbuf(struct ustctl_consumer_stream *stream); + +/* snapshot */ + +int ustctl_snapshot(struct ustctl_consumer_stream *stream); +int ustctl_snapshot_get_consumed(struct ustctl_consumer_stream *stream, + unsigned long *pos); +int ustctl_snapshot_get_produced(struct ustctl_consumer_stream *stream, + unsigned long *pos); +int ustctl_get_subbuf(struct ustctl_consumer_stream *stream, + unsigned long *pos); +int ustctl_put_subbuf(struct ustctl_consumer_stream *stream); + +void ustctl_flush_buffer(struct ustctl_consumer_stream *stream, + int producer_active); + +/* index */ +int ustctl_get_timestamp_begin(struct ustctl_consumer_stream *stream, + uint64_t *timestamp_begin); +int ustctl_get_timestamp_end(struct ustctl_consumer_stream *stream, + uint64_t *timestamp_end); +int ustctl_get_events_discarded(struct ustctl_consumer_stream *stream, + uint64_t *events_discarded); +int ustctl_get_content_size(struct ustctl_consumer_stream *stream, + uint64_t *content_size); +int ustctl_get_packet_size(struct ustctl_consumer_stream *stream, + uint64_t *packet_size); +int ustctl_get_stream_id(struct ustctl_consumer_stream *stream, + uint64_t *stream_id); +int ustctl_get_current_timestamp(struct ustctl_consumer_stream *stream, + uint64_t *ts); +int ustctl_get_sequence_number(struct ustctl_consumer_stream *stream, + uint64_t *seq); +int ustctl_get_instance_id(struct ustctl_consumer_stream *stream, + uint64_t *id); + +/* returns whether UST has perf counters support. */ +int ustctl_has_perf_counters(void); + +/* event registry management */ + +enum ustctl_socket_type { + USTCTL_SOCKET_CMD = 0, + USTCTL_SOCKET_NOTIFY = 1, +}; + +enum ustctl_notify_cmd { + USTCTL_NOTIFY_CMD_EVENT = 0, + USTCTL_NOTIFY_CMD_CHANNEL = 1, + USTCTL_NOTIFY_CMD_ENUM = 2, +}; + +enum ustctl_channel_header { + USTCTL_CHANNEL_HEADER_UNKNOWN = 0, + USTCTL_CHANNEL_HEADER_COMPACT = 1, + USTCTL_CHANNEL_HEADER_LARGE = 2, +}; + +/* event type structures */ + +enum ustctl_abstract_types { + ustctl_atype_integer, + ustctl_atype_enum, + ustctl_atype_array, + ustctl_atype_sequence, + ustctl_atype_string, + ustctl_atype_float, + ustctl_atype_variant, + ustctl_atype_struct, + NR_USTCTL_ABSTRACT_TYPES, +}; + +enum ustctl_string_encodings { + ustctl_encode_none = 0, + ustctl_encode_UTF8 = 1, + ustctl_encode_ASCII = 2, + NR_USTCTL_STRING_ENCODINGS, +}; + +#define USTCTL_UST_INTEGER_TYPE_PADDING 24 +struct ustctl_integer_type { + uint32_t size; /* in bits */ + uint32_t signedness; + uint32_t reverse_byte_order; + uint32_t base; /* 2, 8, 10, 16, for pretty print */ + enum ustctl_string_encodings encoding; + uint16_t alignment; /* in bits */ + char padding[USTCTL_UST_INTEGER_TYPE_PADDING]; +} LTTNG_PACKED; + +#define USTCTL_UST_FLOAT_TYPE_PADDING 24 +struct ustctl_float_type { + uint32_t exp_dig; /* exponent digits, in bits */ + uint32_t mant_dig; /* mantissa digits, in bits */ + uint32_t reverse_byte_order; + uint16_t alignment; /* in bits */ + char padding[USTCTL_UST_FLOAT_TYPE_PADDING]; +} LTTNG_PACKED; + +#define USTCTL_UST_ENUM_VALUE_PADDING 15 +struct ustctl_enum_value { + uint64_t value; + uint8_t signedness; + char padding[USTCTL_UST_ENUM_VALUE_PADDING]; +} LTTNG_PACKED; + +#define USTCTL_UST_ENUM_ENTRY_PADDING 32 +struct ustctl_enum_entry { + struct ustctl_enum_value start, end; /* start and end are inclusive */ + char string[LTTNG_UST_SYM_NAME_LEN]; + char padding[USTCTL_UST_ENUM_ENTRY_PADDING]; +} LTTNG_PACKED; + +#define USTCTL_UST_BASIC_TYPE_PADDING 296 +union _ustctl_basic_type { + struct ustctl_integer_type integer; + struct { + char name[LTTNG_UST_SYM_NAME_LEN]; + struct ustctl_integer_type container_type; + uint64_t id; /* enum ID in sessiond. */ + } enumeration; + struct { + enum ustctl_string_encodings encoding; + } string; + struct ustctl_float_type _float; + char padding[USTCTL_UST_BASIC_TYPE_PADDING]; +} LTTNG_PACKED; + +struct ustctl_basic_type { + enum ustctl_abstract_types atype; + union { + union _ustctl_basic_type basic; + } u; +} LTTNG_PACKED; + +#define USTCTL_UST_TYPE_PADDING 128 +struct ustctl_type { + enum ustctl_abstract_types atype; + union { + union _ustctl_basic_type basic; + struct { + struct ustctl_basic_type elem_type; + uint32_t length; /* num. elems. */ + } array; + struct { + struct ustctl_basic_type length_type; + struct ustctl_basic_type elem_type; + } sequence; + struct { + uint32_t nr_choices; + char tag_name[LTTNG_UST_SYM_NAME_LEN]; + /* Followed by nr_choices struct ustctl_field. */ + } variant; + struct { + uint32_t nr_fields; + /* Followed by nr_fields struct ustctl_field. */ + } _struct; + char padding[USTCTL_UST_TYPE_PADDING]; + } u; +} LTTNG_PACKED; + +#define USTCTL_UST_FIELD_PADDING 28 +struct ustctl_field { + char name[LTTNG_UST_SYM_NAME_LEN]; + struct ustctl_type type; + char padding[USTCTL_UST_FIELD_PADDING]; +} LTTNG_PACKED; + +/* + * Returns 0 on success, negative error value on error. + * If an error other than -LTTNG_UST_ERR_UNSUP_MAJOR is returned, + * the output fields are not populated. + */ +int ustctl_recv_reg_msg(int sock, + enum ustctl_socket_type *type, + uint32_t *major, + uint32_t *minor, + uint32_t *pid, + uint32_t *ppid, + uint32_t *uid, + uint32_t *gid, + uint32_t *bits_per_long, + uint32_t *uint8_t_alignment, + uint32_t *uint16_t_alignment, + uint32_t *uint32_t_alignment, + uint32_t *uint64_t_alignment, + uint32_t *long_alignment, + int *byte_order, + char *name); /* size LTTNG_UST_ABI_PROCNAME_LEN */ + +/* + * Returns 0 on success, negative UST or system error value on error. + * Receive the notification command. The "notify_cmd" can then be used + * by the caller to find out which ustctl_recv_* function should be + * called to receive the notification, and which ustctl_reply_* is + * appropriate. + */ +int ustctl_recv_notify(int sock, enum ustctl_notify_cmd *notify_cmd); + +/* + * Returns 0 on success, negative UST or system error value on error. + */ +int ustctl_recv_register_event(int sock, + int *session_objd, /* session descriptor (output) */ + int *channel_objd, /* channel descriptor (output) */ + char *event_name, /* + * event name (output, + * size LTTNG_UST_SYM_NAME_LEN) + */ + int *loglevel, + char **signature, /* + * event signature + * (output, dynamically + * allocated, must be free(3)'d + * by the caller if function + * returns success.) + */ + size_t *nr_fields, + struct ustctl_field **fields, + char **model_emf_uri); + +/* + * Returns 0 on success, negative error value on error. + */ +int ustctl_reply_register_event(int sock, + uint32_t id, /* event id (input) */ + int ret_code); /* return code. 0 ok, negative error */ + +/* + * Returns 0 on success, negative UST or system error value on error. + */ +int ustctl_recv_register_enum(int sock, + int *session_objd, + char *enum_name, + struct ustctl_enum_entry **entries, + size_t *nr_entries); + +/* + * Returns 0 on success, negative error value on error. + */ +int ustctl_reply_register_enum(int sock, + uint64_t id, /* enum id (input) */ + int ret_code); + +/* + * Returns 0 on success, negative UST or system error value on error. + */ +int ustctl_recv_register_channel(int sock, + int *session_objd, /* session descriptor (output) */ + int *channel_objd, /* channel descriptor (output) */ + size_t *nr_fields, /* context fields */ + struct ustctl_field **fields); + +/* + * Returns 0 on success, negative error value on error. + */ +int ustctl_reply_register_channel(int sock, + uint32_t chan_id, + enum ustctl_channel_header header_type, + int ret_code); /* return code. 0 ok, negative error */ + +#endif /* _LTTNG_UST_CTL_H */ diff --git a/include/lttng/ust-dlfcn.h b/include/lttng/ust-dlfcn.h new file mode 100644 index 0000000..7471d94 --- /dev/null +++ b/include/lttng/ust-dlfcn.h @@ -0,0 +1,65 @@ +#ifndef _LTTNG_UST_DLFCN_H +#define _LTTNG_UST_DLFCN_H + +/* + * lttng/ust-dlfcn.h + * + * Copyright 2014 (c) - Mathieu Desnoyers + * + * dlfcn.h compatibility layer. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef _DLFCN_H +#error "Please include lttng/ust-dlfcn.h before dlfcn.h." +#endif /* _DLFCN_H */ + +#ifdef __GLIBC__ +/* + * glibc declares dlsym() and dlerror() with __attribute__((leaf)) (see + * THROW annotation). Unfortunately, this is not in sync with reality, + * as those functions call the memory allocator. Work-around this glibc + * bug by declaring our own symbols. + * + * There has been a similar issue for dlopen() and dlclose(), as + * constructors and destructors are called from these functions, so they + * are clearly non-leaf. Work-around the issue for those too for older + * glibc where these have not been fixed. + */ +#define dlopen glibc_dlopen_proto_lies_about_leafness +#define dlclose glibc_dlclose_proto_lies_about_leafness +#define dlsym glibc_dlsym_proto_lies_about_leafness +#define dlerror glibc_dlerror_proto_lies_about_leafness +#include +#undef dlerror +#undef dlsym +#undef dlclose +#undef dlopen + +extern void *dlopen(__const char *__file, int __mode); +extern int dlclose(void *__handle) __nonnull ((1)); +extern void *dlsym(void *__restrict __handle, + __const char *__restrict __name) __nonnull ((2)); +extern char *dlerror(void); +#else +#include +#endif /* __GLIBC__ */ + +#endif /* _LTTNG_UST_DLFCN_H */ diff --git a/include/lttng/ust-dynamic-type.h b/include/lttng/ust-dynamic-type.h new file mode 100644 index 0000000..d87dc25 --- /dev/null +++ b/include/lttng/ust-dynamic-type.h @@ -0,0 +1,33 @@ +#ifndef _LTTNG_UST_DYNAMIC_TYPE_H +#define _LTTNG_UST_DYNAMIC_TYPE_H + +/* + * Copyright 2016 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +int lttng_ust_dynamic_type_choices(size_t *nr_choices, + const struct lttng_event_field **choices); +const struct lttng_event_field *lttng_ust_dynamic_type_field(int64_t value); +const struct lttng_event_field *lttng_ust_dynamic_type_tag_field(void); + +#endif /* _LTTNG_UST_DYNAMIC_TYPE_H */ diff --git a/include/lttng/ust-elf.h b/include/lttng/ust-elf.h new file mode 100644 index 0000000..c4abee2 --- /dev/null +++ b/include/lttng/ust-elf.h @@ -0,0 +1,232 @@ +#ifndef _LTTNG_UST_ELF_H +#define _LTTNG_UST_ELF_H +/* + * Copyright (C) 2015 Antoine Busque + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include + +/* + * Determine native endianness in order to convert when reading an ELF + * file if there is a mismatch. + */ +#if BYTE_ORDER == LITTLE_ENDIAN +#define NATIVE_ELF_ENDIANNESS ELFDATA2LSB +#else +#define NATIVE_ELF_ENDIANNESS ELFDATA2MSB +#endif + +/* + * The size in bytes of the debug link CRC as contained in an ELF + * section. + */ +#define ELF_CRC_SIZE 4 +/* + * ELF notes are aligned on 4 bytes. ref: ELF specification version + * 1.1 p. 2-5. + */ +#define ELF_NOTE_ENTRY_ALIGN 4 +/* + * Within an ELF note, the `desc` field is also aligned on 4 + * bytes. ref: ELF specification version 1.1 p. 2-5. + */ +#define ELF_NOTE_DESC_ALIGN 4 + +#define bswap(x) \ + do { \ + switch (sizeof(x)) { \ + case 8: \ + x = bswap_64(x); \ + break; \ + case 4: \ + x = bswap_32(x); \ + break; \ + case 2: \ + x = bswap_16(x); \ + break; \ + case 1: \ + break; \ + default: \ + abort(); \ + } \ + } while (0) + +#define bswap_phdr(phdr) \ + do { \ + bswap((phdr).p_type); \ + bswap((phdr).p_offset); \ + bswap((phdr).p_filesz); \ + bswap((phdr).p_memsz); \ + bswap((phdr).p_align); \ + bswap((phdr).p_vaddr); \ + } while (0) + +#define bswap_shdr(shdr) \ + do { \ + bswap((shdr).sh_name); \ + bswap((shdr).sh_type); \ + bswap((shdr).sh_flags); \ + bswap((shdr).sh_addr); \ + bswap((shdr).sh_offset); \ + bswap((shdr).sh_size); \ + bswap((shdr).sh_link); \ + bswap((shdr).sh_info); \ + bswap((shdr).sh_addralign); \ + bswap((shdr).sh_entsize); \ + } while (0) + +#define bswap_ehdr(ehdr) \ + do { \ + bswap((ehdr).e_type); \ + bswap((ehdr).e_machine); \ + bswap((ehdr).e_version); \ + bswap((ehdr).e_entry); \ + bswap((ehdr).e_phoff); \ + bswap((ehdr).e_shoff); \ + bswap((ehdr).e_flags); \ + bswap((ehdr).e_ehsize); \ + bswap((ehdr).e_phentsize); \ + bswap((ehdr).e_phnum); \ + bswap((ehdr).e_shentsize); \ + bswap((ehdr).e_shnum); \ + bswap((ehdr).e_shstrndx); \ + } while (0) + +#define copy_phdr(src_phdr, dst_phdr) \ + do { \ + (dst_phdr).p_type = (src_phdr).p_type; \ + (dst_phdr).p_offset = (src_phdr).p_offset; \ + (dst_phdr).p_filesz = (src_phdr).p_filesz; \ + (dst_phdr).p_memsz = (src_phdr).p_memsz; \ + (dst_phdr).p_align = (src_phdr).p_align; \ + (dst_phdr).p_vaddr = (src_phdr).p_vaddr; \ + } while (0) + +#define copy_shdr(src_shdr, dst_shdr) \ + do { \ + (dst_shdr).sh_name = (src_shdr).sh_name; \ + (dst_shdr).sh_type = (src_shdr).sh_type; \ + (dst_shdr).sh_flags = (src_shdr).sh_flags; \ + (dst_shdr).sh_addr = (src_shdr).sh_addr; \ + (dst_shdr).sh_offset = (src_shdr).sh_offset; \ + (dst_shdr).sh_size = (src_shdr).sh_size; \ + (dst_shdr).sh_link = (src_shdr).sh_link; \ + (dst_shdr).sh_info = (src_shdr).sh_info; \ + (dst_shdr).sh_addralign = (src_shdr).sh_addralign; \ + (dst_shdr).sh_entsize = (src_shdr).sh_entsize; \ + } while (0) + +#define copy_ehdr(src_ehdr, dst_ehdr) \ + do { \ + (dst_ehdr).e_type = (src_ehdr).e_type; \ + (dst_ehdr).e_machine = (src_ehdr).e_machine; \ + (dst_ehdr).e_version = (src_ehdr).e_version; \ + (dst_ehdr).e_entry = (src_ehdr).e_entry; \ + (dst_ehdr).e_phoff = (src_ehdr).e_phoff; \ + (dst_ehdr).e_shoff = (src_ehdr).e_shoff; \ + (dst_ehdr).e_flags = (src_ehdr).e_flags; \ + (dst_ehdr).e_ehsize = (src_ehdr).e_ehsize; \ + (dst_ehdr).e_phentsize = (src_ehdr).e_phentsize; \ + (dst_ehdr).e_phnum = (src_ehdr).e_phnum; \ + (dst_ehdr).e_shentsize = (src_ehdr).e_shentsize; \ + (dst_ehdr).e_shnum = (src_ehdr).e_shnum; \ + (dst_ehdr).e_shstrndx = (src_ehdr).e_shstrndx; \ + } while (0) + +struct lttng_ust_elf_ehdr { + uint16_t e_type; + uint16_t e_machine; + uint32_t e_version; + uint64_t e_entry; + uint64_t e_phoff; + uint64_t e_shoff; + uint32_t e_flags; + uint16_t e_ehsize; + uint16_t e_phentsize; + uint16_t e_phnum; + uint16_t e_shentsize; + uint16_t e_shnum; + uint16_t e_shstrndx; +}; + +struct lttng_ust_elf_phdr { + uint32_t p_type; + uint64_t p_offset; + uint64_t p_filesz; + uint64_t p_memsz; + uint64_t p_align; + uint64_t p_vaddr; +}; + +struct lttng_ust_elf_shdr { + uint32_t sh_name; + uint32_t sh_type; + uint64_t sh_flags; + uint64_t sh_addr; + uint64_t sh_offset; + uint64_t sh_size; + uint32_t sh_link; + uint32_t sh_info; + uint64_t sh_addralign; + uint64_t sh_entsize; +}; + +struct lttng_ust_elf_nhdr { + uint32_t n_namesz; + uint32_t n_descsz; + uint32_t n_type; +}; + +struct lttng_ust_elf { + /* Offset in bytes to start of section names string table. */ + off_t section_names_offset; + /* Size in bytes of section names string table. */ + size_t section_names_size; + char *path; + int fd; + struct lttng_ust_elf_ehdr *ehdr; + uint8_t bitness; + uint8_t endianness; +}; + +static inline +int is_elf_32_bit(struct lttng_ust_elf *elf) +{ + return elf->bitness == ELFCLASS32; +} + +static inline +int is_elf_native_endian(struct lttng_ust_elf *elf) +{ + return elf->endianness == NATIVE_ELF_ENDIANNESS; +} + +struct lttng_ust_elf *lttng_ust_elf_create(const char *path); +void lttng_ust_elf_destroy(struct lttng_ust_elf *elf); +uint8_t lttng_ust_elf_is_pic(struct lttng_ust_elf *elf); +int lttng_ust_elf_get_memsz(struct lttng_ust_elf *elf, uint64_t *memsz); +int lttng_ust_elf_get_build_id(struct lttng_ust_elf *elf, uint8_t **build_id, + size_t *length, int *found); +int lttng_ust_elf_get_debug_link(struct lttng_ust_elf *elf, char **filename, + uint32_t *crc, int *found); + +#endif /* _LTTNG_UST_ELF_H */ diff --git a/include/lttng/ust-endian.h b/include/lttng/ust-endian.h new file mode 100644 index 0000000..a512b02 --- /dev/null +++ b/include/lttng/ust-endian.h @@ -0,0 +1,62 @@ +#ifndef _LTTNG_UST_ENDIAN_H +#define _LTTNG_UST_ENDIAN_H + +/* + * lttng/ust-endian.h + * + * Copyright 2012 (c) - Mathieu Desnoyers + * + * endian.h compatibility layer. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if (defined(__linux__) || defined(__CYGWIN__)) +#include +#elif defined(__FreeBSD__) +#include +#else +#error "Please add support for your OS." +#endif + +/* + * BYTE_ORDER, LITTLE_ENDIAN, and BIG_ENDIAN are only defined on Linux + * if __USE_BSD is defined. Force their definition. + */ +#ifndef BYTE_ORDER +#define BYTE_ORDER __BYTE_ORDER +#endif + +#ifndef LITTLE_ENDIAN +#define LITTLE_ENDIAN __LITTLE_ENDIAN +#endif + +#ifndef BIG_ENDIAN +#define BIG_ENDIAN __BIG_ENDIAN +#endif + +#ifndef FLOAT_WORD_ORDER +#ifdef __FLOAT_WORD_ORDER +#define FLOAT_WORD_ORDER __FLOAT_WORD_ORDER +#else /* __FLOAT_WORD_ORDER */ +#define FLOAT_WORD_ORDER BYTE_ORDER +#endif /* __FLOAT_WORD_ORDER */ +#endif /* FLOAT_WORD_ORDER */ + +#endif /* _LTTNG_UST_ENDIAN_H */ diff --git a/include/lttng/ust-error.h b/include/lttng/ust-error.h new file mode 100644 index 0000000..cbcb5eb --- /dev/null +++ b/include/lttng/ust-error.h @@ -0,0 +1,68 @@ +#ifndef _LTTNG_UST_ERROR_H +#define _LTTNG_UST_ERROR_H + +/* + * Copyright (C) 2011 - David Goulet + * Julien Desfossez + * Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* + * This header is meant for liblttng and libust internal use ONLY. + * These declarations should NOT be considered stable API. + */ + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * ustcomm error code. + */ +enum lttng_ust_error_code { + LTTNG_UST_OK = 0, /* Ok */ + LTTNG_UST_ERR = 1024, /* Unknown Error */ + LTTNG_UST_ERR_NOENT = 1025, /* No entry */ + LTTNG_UST_ERR_EXIST = 1026, /* Object exists */ + LTTNG_UST_ERR_INVAL = 1027, /* Invalid argument */ + LTTNG_UST_ERR_PERM = 1028, /* Permission denied */ + LTTNG_UST_ERR_NOSYS = 1029, /* Not implemented */ + LTTNG_UST_ERR_EXITING = 1030, /* Process is exiting */ + + LTTNG_UST_ERR_INVAL_MAGIC = 1031, /* Invalid magic number */ + LTTNG_UST_ERR_INVAL_SOCKET_TYPE = 1032, /* Invalid socket type */ + LTTNG_UST_ERR_UNSUP_MAJOR = 1033, /* Unsupported major version */ + + /* MUST be last element */ + LTTNG_UST_ERR_NR, /* Last element */ +}; + +/* + * Return a human-readable error message for an lttng-ust error code. + * code must be a positive value (or 0). + */ +extern const char *lttng_ust_strerror(int code); + +#ifdef __cplusplus +} +#endif + +#endif /* _LTTNG_UST_ERROR_H */ diff --git a/include/lttng/ust-events.h b/include/lttng/ust-events.h new file mode 100644 index 0000000..9f6aa06 --- /dev/null +++ b/include/lttng/ust-events.h @@ -0,0 +1,734 @@ +#ifndef _LTTNG_UST_EVENTS_H +#define _LTTNG_UST_EVENTS_H + +/* + * lttng/ust-events.h + * + * Copyright 2010-2012 (c) - Mathieu Desnoyers + * + * Holds LTTng per-session event registry. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#define LTTNG_UST_UUID_LEN 16 + +/* + * Tracepoint provider version. Compatibility based on the major number. + * Older tracepoint providers can always register to newer lttng-ust + * library, but the opposite is rejected: a newer tracepoint provider is + * rejected by an older lttng-ust library. + */ +#define LTTNG_UST_PROVIDER_MAJOR 1 +#define LTTNG_UST_PROVIDER_MINOR 0 + +struct lttng_channel; +struct lttng_session; +struct lttng_ust_lib_ring_buffer_ctx; +struct lttng_ust_context_app; +struct lttng_event_field; + +/* + * Data structures used by tracepoint event declarations, and by the + * tracer. Those structures have padding for future extension. + */ + +/* + * LTTng client type enumeration. Used by the consumer to map the + * callbacks from its own address space. + */ +enum lttng_client_types { + LTTNG_CLIENT_METADATA = 0, + LTTNG_CLIENT_DISCARD = 1, + LTTNG_CLIENT_OVERWRITE = 2, + LTTNG_CLIENT_DISCARD_RT = 3, + LTTNG_CLIENT_OVERWRITE_RT = 4, + LTTNG_NR_CLIENT_TYPES, +}; + +/* Type description */ + +/* Update the astract_types name table in lttng-types.c along with this enum */ +enum lttng_abstract_types { + atype_integer, + atype_enum, + atype_array, + atype_sequence, + atype_string, + atype_float, + atype_dynamic, + atype_struct, + NR_ABSTRACT_TYPES, +}; + +/* Update the string_encodings name table in lttng-types.c along with this enum */ +enum lttng_string_encodings { + lttng_encode_none = 0, + lttng_encode_UTF8 = 1, + lttng_encode_ASCII = 2, + NR_STRING_ENCODINGS, +}; + +struct lttng_enum_value { + unsigned long long value; + unsigned int signedness:1; +}; + +#define LTTNG_UST_ENUM_ENTRY_PADDING 16 +struct lttng_enum_entry { + struct lttng_enum_value start, end; /* start and end are inclusive */ + const char *string; + char padding[LTTNG_UST_ENUM_ENTRY_PADDING]; +}; + +#define __type_integer(_type, _byte_order, _base, _encoding) \ + { \ + .atype = atype_integer, \ + .u = \ + { \ + .basic = \ + { \ + .integer = \ + { \ + .size = sizeof(_type) * CHAR_BIT, \ + .alignment = lttng_alignof(_type) * CHAR_BIT, \ + .signedness = lttng_is_signed_type(_type), \ + .reverse_byte_order = _byte_order != BYTE_ORDER, \ + .base = _base, \ + .encoding = lttng_encode_##_encoding, \ + } \ + } \ + }, \ + } \ + +#define LTTNG_UST_INTEGER_TYPE_PADDING 24 +struct lttng_integer_type { + unsigned int size; /* in bits */ + unsigned short alignment; /* in bits */ + unsigned int signedness:1; + unsigned int reverse_byte_order:1; + unsigned int base; /* 2, 8, 10, 16, for pretty print */ + enum lttng_string_encodings encoding; + char padding[LTTNG_UST_INTEGER_TYPE_PADDING]; +}; + +/* + * Only float and double are supported. long double is not supported at + * the moment. + */ +#define _float_mant_dig(_type) \ + (sizeof(_type) == sizeof(float) ? FLT_MANT_DIG \ + : (sizeof(_type) == sizeof(double) ? DBL_MANT_DIG \ + : 0)) + +#define __type_float(_type) \ + { \ + .atype = atype_float, \ + .u = \ + { \ + .basic = \ + { \ + ._float = \ + { \ + .exp_dig = sizeof(_type) * CHAR_BIT \ + - _float_mant_dig(_type), \ + .mant_dig = _float_mant_dig(_type), \ + .alignment = lttng_alignof(_type) * CHAR_BIT, \ + .reverse_byte_order = BYTE_ORDER != FLOAT_WORD_ORDER, \ + } \ + } \ + }, \ + } \ + +#define LTTNG_UST_FLOAT_TYPE_PADDING 24 +struct lttng_float_type { + unsigned int exp_dig; /* exponent digits, in bits */ + unsigned int mant_dig; /* mantissa digits, in bits */ + unsigned short alignment; /* in bits */ + unsigned int reverse_byte_order:1; + char padding[LTTNG_UST_FLOAT_TYPE_PADDING]; +}; + +#define LTTNG_UST_BASIC_TYPE_PADDING 128 +union _lttng_basic_type { + struct lttng_integer_type integer; + struct { + const struct lttng_enum_desc *desc; /* Enumeration mapping */ + struct lttng_integer_type container_type; + } enumeration; + struct { + enum lttng_string_encodings encoding; + } string; + struct lttng_float_type _float; + char padding[LTTNG_UST_BASIC_TYPE_PADDING]; +}; + +struct lttng_basic_type { + enum lttng_abstract_types atype; + union { + union _lttng_basic_type basic; + } u; +}; + +#define LTTNG_UST_TYPE_PADDING 128 +struct lttng_type { + enum lttng_abstract_types atype; + union { + union _lttng_basic_type basic; + struct { + struct lttng_basic_type elem_type; + unsigned int length; /* num. elems. */ + } array; + struct { + struct lttng_basic_type length_type; + struct lttng_basic_type elem_type; + } sequence; + struct { + uint32_t nr_fields; + struct lttng_event_field *fields; /* Array of fields. */ + } _struct; + char padding[LTTNG_UST_TYPE_PADDING]; + } u; +}; + +#define LTTNG_UST_ENUM_TYPE_PADDING 24 +struct lttng_enum_desc { + const char *name; + const struct lttng_enum_entry *entries; + unsigned int nr_entries; + char padding[LTTNG_UST_ENUM_TYPE_PADDING]; +}; + +/* + * Event field description + * + * IMPORTANT: this structure is part of the ABI between the probe and + * UST. Fields need to be only added at the end, never reordered, never + * removed. + */ + +#define LTTNG_UST_EVENT_FIELD_PADDING 28 +struct lttng_event_field { + const char *name; + struct lttng_type type; + unsigned int nowrite; /* do not write into trace */ + char padding[LTTNG_UST_EVENT_FIELD_PADDING]; +}; + +enum lttng_ust_dynamic_type { + LTTNG_UST_DYNAMIC_TYPE_NONE, + LTTNG_UST_DYNAMIC_TYPE_S8, + LTTNG_UST_DYNAMIC_TYPE_S16, + LTTNG_UST_DYNAMIC_TYPE_S32, + LTTNG_UST_DYNAMIC_TYPE_S64, + LTTNG_UST_DYNAMIC_TYPE_U8, + LTTNG_UST_DYNAMIC_TYPE_U16, + LTTNG_UST_DYNAMIC_TYPE_U32, + LTTNG_UST_DYNAMIC_TYPE_U64, + LTTNG_UST_DYNAMIC_TYPE_FLOAT, + LTTNG_UST_DYNAMIC_TYPE_DOUBLE, + LTTNG_UST_DYNAMIC_TYPE_STRING, + _NR_LTTNG_UST_DYNAMIC_TYPES, +}; + +struct lttng_ctx_value { + enum lttng_ust_dynamic_type sel; + union { + int64_t s64; + const char *str; + double d; + } u; +}; + +struct lttng_perf_counter_field; + +#define LTTNG_UST_CTX_FIELD_PADDING 40 +struct lttng_ctx_field { + struct lttng_event_field event_field; + size_t (*get_size)(struct lttng_ctx_field *field, size_t offset); + void (*record)(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan); + void (*get_value)(struct lttng_ctx_field *field, + struct lttng_ctx_value *value); + union { + struct lttng_perf_counter_field *perf_counter; + char padding[LTTNG_UST_CTX_FIELD_PADDING]; + } u; + void (*destroy)(struct lttng_ctx_field *field); + char *field_name; /* Has ownership, dynamically allocated. */ +}; + +#define LTTNG_UST_CTX_PADDING 20 +struct lttng_ctx { + struct lttng_ctx_field *fields; + unsigned int nr_fields; + unsigned int allocated_fields; + unsigned int largest_align; + char padding[LTTNG_UST_CTX_PADDING]; +}; + +#define LTTNG_UST_EVENT_DESC_PADDING 40 +struct lttng_event_desc { + const char *name; + void (*probe_callback)(void); + const struct lttng_event_ctx *ctx; /* context */ + const struct lttng_event_field *fields; /* event payload */ + unsigned int nr_fields; + const int **loglevel; + const char *signature; /* Argument types/names received */ + union { + struct { + const char **model_emf_uri; + } ext; + char padding[LTTNG_UST_EVENT_DESC_PADDING]; + } u; +}; + +#define LTTNG_UST_PROBE_DESC_PADDING 12 +struct lttng_probe_desc { + const char *provider; + const struct lttng_event_desc **event_desc; + unsigned int nr_events; + struct cds_list_head head; /* chain registered probes */ + struct cds_list_head lazy_init_head; + int lazy; /* lazy registration */ + uint32_t major; + uint32_t minor; + char padding[LTTNG_UST_PROBE_DESC_PADDING]; +}; + +/* Data structures used by the tracer. */ + +enum lttng_enabler_type { + LTTNG_ENABLER_WILDCARD, + LTTNG_ENABLER_EVENT, +}; + +/* + * Enabler field, within whatever object is enabling an event. Target of + * backward reference. + */ +struct lttng_enabler { + enum lttng_enabler_type type; + + /* head list of struct lttng_ust_filter_bytecode_node */ + struct cds_list_head filter_bytecode_head; + /* head list of struct lttng_ust_excluder_node */ + struct cds_list_head excluder_head; + struct cds_list_head node; /* per-session list of enablers */ + + struct lttng_ust_event event_param; + struct lttng_channel *chan; + struct lttng_ctx *ctx; + unsigned int enabled:1; +}; + +struct tp_list_entry { + struct lttng_ust_tracepoint_iter tp; + struct cds_list_head head; +}; + +struct lttng_ust_tracepoint_list { + struct tp_list_entry *iter; + struct cds_list_head head; +}; + +struct tp_field_list_entry { + struct lttng_ust_field_iter field; + struct cds_list_head head; +}; + +struct lttng_ust_field_list { + struct tp_field_list_entry *iter; + struct cds_list_head head; +}; + +struct ust_pending_probe; +struct lttng_event; + +struct lttng_ust_filter_bytecode_node { + struct cds_list_head node; + struct lttng_enabler *enabler; + /* + * struct lttng_ust_filter_bytecode has var. sized array, must + * be last field. + */ + struct lttng_ust_filter_bytecode bc; +}; + +struct lttng_ust_excluder_node { + struct cds_list_head node; + struct lttng_enabler *enabler; + /* + * struct lttng_ust_event_exclusion had variable sized array, + * must be last field. + */ + struct lttng_ust_event_exclusion excluder; +}; +/* + * Filter return value masks. + */ +enum lttng_filter_ret { + LTTNG_FILTER_DISCARD = 0, + LTTNG_FILTER_RECORD_FLAG = (1ULL << 0), + /* Other bits are kept for future use. */ +}; + +struct lttng_bytecode_runtime { + /* Associated bytecode */ + struct lttng_ust_filter_bytecode_node *bc; + uint64_t (*filter)(void *filter_data, const char *filter_stack_data); + int link_failed; + struct cds_list_head node; /* list of bytecode runtime in event */ + struct lttng_session *session; +}; + +/* + * Objects in a linked-list of enablers, owned by an event. + */ +struct lttng_enabler_ref { + struct cds_list_head node; /* enabler ref list */ + struct lttng_enabler *ref; /* backward ref */ +}; + +/* + * lttng_event structure is referred to by the tracing fast path. It + * must be kept small. + * + * IMPORTANT: this structure is part of the ABI between the probe and + * UST. Fields need to be only added at the end, never reordered, never + * removed. + */ +struct lttng_event { + /* LTTng-UST 2.0 starts here */ + unsigned int id; + struct lttng_channel *chan; + int enabled; + const struct lttng_event_desc *desc; + void *_deprecated1; + struct lttng_ctx *ctx; + enum lttng_ust_instrumentation instrumentation; + struct cds_list_head node; /* Event list in session */ + struct cds_list_head _deprecated2; + void *_deprecated3; + unsigned int _deprecated4:1; + + /* LTTng-UST 2.1 starts here */ + /* list of struct lttng_bytecode_runtime, sorted by seqnum */ + struct cds_list_head bytecode_runtime_head; + int has_enablers_without_bytecode; + /* Backward references: list of lttng_enabler_ref (ref to enablers) */ + struct cds_list_head enablers_ref_head; + struct cds_hlist_node hlist; /* session ht of events */ + int registered; /* has reg'd tracepoint probe */ +}; + +struct lttng_enum { + const struct lttng_enum_desc *desc; + struct lttng_session *session; + struct cds_list_head node; /* Enum list in session */ + struct cds_hlist_node hlist; /* Session ht of enums */ + uint64_t id; /* Enumeration ID in sessiond */ +}; + +struct channel; +struct lttng_ust_shm_handle; + +/* + * IMPORTANT: this structure is part of the ABI between the probe and + * UST. Fields need to be only added at the end, never reordered, never + * removed. + */ +struct lttng_channel_ops { + struct lttng_channel *(*channel_create)(const char *name, + void *buf_addr, + size_t subbuf_size, size_t num_subbuf, + unsigned int switch_timer_interval, + unsigned int read_timer_interval, + unsigned char *uuid, + uint32_t chan_id, + const int *stream_fds, int nr_stream_fds); + void (*channel_destroy)(struct lttng_channel *chan); + union { + void *_deprecated1; + unsigned long has_strcpy:1; /* ABI has strcpy */ + } u; + void *_deprecated2; + int (*event_reserve)(struct lttng_ust_lib_ring_buffer_ctx *ctx, + uint32_t event_id); + void (*event_commit)(struct lttng_ust_lib_ring_buffer_ctx *ctx); + void (*event_write)(struct lttng_ust_lib_ring_buffer_ctx *ctx, + const void *src, size_t len); + /* + * packet_avail_size returns the available size in the current + * packet. Note that the size returned is only a hint, since it + * may change due to concurrent writes. + */ + size_t (*packet_avail_size)(struct channel *chan, + struct lttng_ust_shm_handle *handle); + //wait_queue_head_t *(*get_reader_wait_queue)(struct channel *chan); + //wait_queue_head_t *(*get_hp_wait_queue)(struct channel *chan); + int (*is_finalized)(struct channel *chan); + int (*is_disabled)(struct channel *chan); + int (*flush_buffer)(struct channel *chan, struct lttng_ust_shm_handle *handle); + void (*event_strcpy)(struct lttng_ust_lib_ring_buffer_ctx *ctx, + const char *src, size_t len); +}; + +/* + * IMPORTANT: this structure is part of the ABI between the probe and + * UST. Fields need to be only added at the end, never reordered, never + * removed. + */ +struct lttng_channel { + /* + * The pointers located in this private data are NOT safe to be + * dereferenced by the consumer. The only operations the + * consumer process is designed to be allowed to do is to read + * and perform subbuffer flush. + */ + struct channel *chan; /* Channel buffers */ + int enabled; + struct lttng_ctx *ctx; + /* Event ID management */ + struct lttng_session *session; + int objd; /* Object associated to channel */ + unsigned int _deprecated1; + unsigned int _deprecated2; + struct cds_list_head node; /* Channel list in session */ + const struct lttng_channel_ops *ops; + int header_type; /* 0: unset, 1: compact, 2: large */ + struct lttng_ust_shm_handle *handle; /* shared-memory handle */ + unsigned int _deprecated3:1; + + /* Channel ID */ + unsigned int id; + enum lttng_ust_chan_type type; + unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */ + int tstate:1; /* Transient enable state */ +}; + +#define LTTNG_UST_STACK_CTX_PADDING 32 +struct lttng_stack_ctx { + struct lttng_event *event; + struct lttng_ctx *chan_ctx; /* RCU dereferenced. */ + struct lttng_ctx *event_ctx; /* RCU dereferenced. */ + char padding[LTTNG_UST_STACK_CTX_PADDING]; +}; + +#define LTTNG_UST_EVENT_HT_BITS 12 +#define LTTNG_UST_EVENT_HT_SIZE (1U << LTTNG_UST_EVENT_HT_BITS) + +struct lttng_ust_event_ht { + struct cds_hlist_head table[LTTNG_UST_EVENT_HT_SIZE]; +}; + +#define LTTNG_UST_ENUM_HT_BITS 12 +#define LTTNG_UST_ENUM_HT_SIZE (1U << LTTNG_UST_ENUM_HT_BITS) + +struct lttng_ust_enum_ht { + struct cds_hlist_head table[LTTNG_UST_ENUM_HT_SIZE]; +}; + +/* + * IMPORTANT: this structure is part of the ABI between the probe and + * UST. Fields need to be only added at the end, never reordered, never + * removed. + */ +struct lttng_session { + int active; /* Is trace session active ? */ + int been_active; /* Been active ? */ + int objd; /* Object associated */ + void *_deprecated1; + struct cds_list_head chan_head; /* Channel list head */ + struct cds_list_head events_head; /* list of events */ + struct cds_list_head _deprecated2; + struct cds_list_head node; /* Session list */ + int _deprecated3; + unsigned int _deprecated4:1; + + /* New UST 2.1 */ + /* List of enablers */ + struct cds_list_head enablers_head; + struct lttng_ust_event_ht events_ht; /* ht of events */ + void *owner; /* object owner */ + int tstate:1; /* Transient enable state */ + + /* New UST 2.4 */ + int statedump_pending:1; + + /* New UST 2.8 */ + struct lttng_ust_enum_ht enums_ht; /* ht of enumerations */ + struct cds_list_head enums_head; + struct lttng_ctx *ctx; /* contexts for filters. */ +}; + +struct lttng_transport { + char *name; + struct cds_list_head node; + struct lttng_channel_ops ops; + const struct lttng_ust_lib_ring_buffer_config *client_config; +}; + +struct lttng_session *lttng_session_create(void); +int lttng_session_enable(struct lttng_session *session); +int lttng_session_disable(struct lttng_session *session); +void lttng_session_destroy(struct lttng_session *session); + +struct lttng_channel *lttng_channel_create(struct lttng_session *session, + const char *transport_name, + void *buf_addr, + size_t subbuf_size, size_t num_subbuf, + unsigned int switch_timer_interval, + unsigned int read_timer_interval, + int **shm_fd, int **wait_fd, + uint64_t **memory_map_size, + struct lttng_channel *chan_priv_init); + +int lttng_channel_enable(struct lttng_channel *channel); +int lttng_channel_disable(struct lttng_channel *channel); + +struct lttng_enabler *lttng_enabler_create(enum lttng_enabler_type type, + struct lttng_ust_event *event_param, + struct lttng_channel *chan); +int lttng_enabler_enable(struct lttng_enabler *enabler); +int lttng_enabler_disable(struct lttng_enabler *enabler); +int lttng_enabler_attach_bytecode(struct lttng_enabler *enabler, + struct lttng_ust_filter_bytecode_node *bytecode); +int lttng_enabler_attach_context(struct lttng_enabler *enabler, + struct lttng_ust_context *ctx); +int lttng_enabler_attach_exclusion(struct lttng_enabler *enabler, + struct lttng_ust_excluder_node *excluder); + +int lttng_attach_context(struct lttng_ust_context *context_param, + union ust_args *uargs, + struct lttng_ctx **ctx, struct lttng_session *session); +int lttng_session_context_init(struct lttng_ctx **ctx); + +void lttng_transport_register(struct lttng_transport *transport); +void lttng_transport_unregister(struct lttng_transport *transport); + +void synchronize_trace(void); + +int lttng_probe_register(struct lttng_probe_desc *desc); +void lttng_probe_unregister(struct lttng_probe_desc *desc); +int lttng_fix_pending_events(void); +int lttng_probes_init(void); +void lttng_probes_exit(void); +int lttng_find_context(struct lttng_ctx *ctx, const char *name); +int lttng_get_context_index(struct lttng_ctx *ctx, const char *name); +struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx_p); +void lttng_context_update(struct lttng_ctx *ctx); +void lttng_remove_context_field(struct lttng_ctx **ctx_p, + struct lttng_ctx_field *field); +void lttng_destroy_context(struct lttng_ctx *ctx); +int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx); +int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx); +int lttng_add_pthread_id_to_ctx(struct lttng_ctx **ctx); +int lttng_add_procname_to_ctx(struct lttng_ctx **ctx); +int lttng_add_ip_to_ctx(struct lttng_ctx **ctx); +int lttng_add_cpu_id_to_ctx(struct lttng_ctx **ctx); +int lttng_add_dyntest_to_ctx(struct lttng_ctx **ctx); +void lttng_context_vtid_reset(void); +void lttng_context_vpid_reset(void); + +#ifdef LTTNG_UST_HAVE_PERF_EVENT +int lttng_add_perf_counter_to_ctx(uint32_t type, + uint64_t config, + const char *name, + struct lttng_ctx **ctx); +int lttng_perf_counter_init(void); +void lttng_perf_counter_exit(void); +#else /* #ifdef LTTNG_UST_HAVE_PERF_EVENT */ +static inline +int lttng_add_perf_counter_to_ctx(uint32_t type, + uint64_t config, + const char *name, + struct lttng_ctx **ctx) +{ + return -ENOSYS; +} +static inline +int lttng_perf_counter_init(void) +{ + return 0; +} +static inline +void lttng_perf_counter_exit(void) +{ +} +#endif /* #else #ifdef LTTNG_UST_HAVE_PERF_EVENT */ + +extern const struct lttng_ust_client_lib_ring_buffer_client_cb *lttng_client_callbacks_metadata; +extern const struct lttng_ust_client_lib_ring_buffer_client_cb *lttng_client_callbacks_discard; +extern const struct lttng_ust_client_lib_ring_buffer_client_cb *lttng_client_callbacks_overwrite; + +struct lttng_transport *lttng_transport_find(const char *name); + +int lttng_probes_get_event_list(struct lttng_ust_tracepoint_list *list); +void lttng_probes_prune_event_list(struct lttng_ust_tracepoint_list *list); +struct lttng_ust_tracepoint_iter * + lttng_ust_tracepoint_list_get_iter_next(struct lttng_ust_tracepoint_list *list); +int lttng_probes_get_field_list(struct lttng_ust_field_list *list); +void lttng_probes_prune_field_list(struct lttng_ust_field_list *list); +struct lttng_ust_field_iter * + lttng_ust_field_list_get_iter_next(struct lttng_ust_field_list *list); + +void lttng_filter_event_link_bytecode(struct lttng_event *event); +void lttng_enabler_event_link_bytecode(struct lttng_event *event, + struct lttng_enabler *enabler); +void lttng_free_event_filter_runtime(struct lttng_event *event); +void lttng_filter_sync_state(struct lttng_bytecode_runtime *runtime); + +struct cds_list_head *lttng_get_probe_list_head(void); +int lttng_session_active(void); + +typedef int (*t_statedump_func_ptr)(struct lttng_session *session); +void lttng_handle_pending_statedump(void *owner); +struct cds_list_head *_lttng_get_sessions(void); +struct lttng_enum *lttng_ust_enum_get(struct lttng_session *session, + const char *enum_name); + +/* For backward compatibility. Leave those exported symbols in place. */ +extern struct lttng_ctx *lttng_static_ctx; +void lttng_context_init(void); +void lttng_context_exit(void); + +#ifdef __cplusplus +} +#endif + +#endif /* _LTTNG_UST_EVENTS_H */ diff --git a/include/lttng/ust-getcpu.h b/include/lttng/ust-getcpu.h new file mode 100644 index 0000000..b7ece89 --- /dev/null +++ b/include/lttng/ust-getcpu.h @@ -0,0 +1,31 @@ +#ifndef LTTNG_UST_GETCPU_H +#define LTTNG_UST_GETCPU_H + +/* + * Copyright (C) 2014 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +/* + * Set getcpu override read callback. This callback should return the + * current CPU number. + */ +int lttng_ust_getcpu_override(int (*getcpu)(void)); + +#endif /* LTTNG_UST_GETCPU_H */ diff --git a/include/lttng/ust-tid.h b/include/lttng/ust-tid.h new file mode 100644 index 0000000..e669d7e --- /dev/null +++ b/include/lttng/ust-tid.h @@ -0,0 +1,53 @@ +#ifndef _LTTNG_UST_TID_H +#define _LTTNG_UST_TID_H + +/* + * lttng/ust-tid.h + * + * Copyright 2012 (c) - Mathieu Desnoyers + * + * gettid compatibility layer. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef __linux__ +#include +#endif + +#if defined(_syscall0) +_syscall0(pid_t, gettid) +#elif defined(__NR_gettid) +#include +static inline pid_t gettid(void) +{ + return syscall(__NR_gettid); +} +#else +#include +#include + +/* Fall-back on getpid for tid if not available. */ +static inline pid_t gettid(void) +{ + return getpid(); +} +#endif + +#endif /* _LTTNG_UST_TID_H */ diff --git a/include/lttng/ust-tracepoint-event-nowrite.h b/include/lttng/ust-tracepoint-event-nowrite.h new file mode 100644 index 0000000..8cb142b --- /dev/null +++ b/include/lttng/ust-tracepoint-event-nowrite.h @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2011 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#undef ctf_integer_nowrite +#define ctf_integer_nowrite(_type, _item, _src) \ + _ctf_integer_ext(_type, _item, _src, BYTE_ORDER, 10, 1) + +#undef ctf_float_nowrite +#define ctf_float_nowrite(_type, _item, _src) \ + _ctf_float(_type, _item, _src, 1) + +#undef ctf_array_nowrite +#define ctf_array_nowrite(_type, _item, _src, _length) \ + _ctf_array_encoded(_type, _item, _src, _length, none, 1) + +#undef ctf_array_text_nowrite +#define ctf_array_text_nowrite(_type, _item, _src, _length) \ + _ctf_array_encoded(_type, _item, _src, _length, UTF8, 1) + +#undef ctf_sequence_nowrite +#define ctf_sequence_nowrite(_type, _item, _src, _length_type, _src_length) \ + _ctf_sequence_encoded(_type, _item, _src, \ + _length_type, _src_length, none, 1, 10) + +#undef ctf_sequence_nowrite_hex +#define ctf_sequence_nowrite_hex(_type, _item, _src, _length_type, _src_length) \ + _ctf_sequence_encoded(_type, _item, _src, \ + _length_type, _src_length, none, 1, 16) + +#undef ctf_sequence_text_nowrite +#define ctf_sequence_text_nowrite(_type, _item, _src, _length_type, _src_length) \ + _ctf_sequence_encoded(_type, _item, _src, \ + _length_type, _src_length, UTF8, 1, 10) + +#undef ctf_string_nowrite +#define ctf_string_nowrite(_item, _src) \ + _ctf_string(_item, _src, 1) + +#undef ctf_enum_nowrite +#define ctf_enum_nowrite(_provider, _name, _type, _item, _src) \ + _ctf_enum(_provider, _name, _type, _item, _src, 1) diff --git a/include/lttng/ust-tracepoint-event-reset.h b/include/lttng/ust-tracepoint-event-reset.h new file mode 100644 index 0000000..c187061 --- /dev/null +++ b/include/lttng/ust-tracepoint-event-reset.h @@ -0,0 +1,127 @@ +/* + * Copyright (c) 2011 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Define to "nothing" all macros used for TRACEPOINT_EVENT */ + +#undef TRACEPOINT_EVENT_CLASS +#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) + +#undef TRACEPOINT_EVENT_INSTANCE +#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) + +#undef TRACEPOINT_ENUM +#define TRACEPOINT_ENUM(_provider, _name, _values) + +#undef TP_ARGS +#define TP_ARGS(...) + +#undef TP_FIELDS +#define TP_FIELDS(...) + +#undef TRACEPOINT_LOGLEVEL_ENUM +#define TRACEPOINT_LOGLEVEL_ENUM(...) + +#undef TRACEPOINT_LOGLEVEL +#define TRACEPOINT_LOGLEVEL(provider, name, loglevel) + +#undef TRACEPOINT_MODEL_EMF_URI +#define TRACEPOINT_MODEL_EMF_URI(provider, name, uri) + +#undef _ctf_integer_ext +#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, \ + _nowrite) + +#undef _ctf_float +#define _ctf_float(_type, _item, _src, _nowrite) + +#undef _ctf_array_encoded +#define _ctf_array_encoded(_type, _item, _src, _length, _encoding, \ + _nowrite) + +#undef _ctf_sequence_encoded +#define _ctf_sequence_encoded(_type, _item, _src, _length_type, \ + _src_length, _encoding, _nowrite, _elem_type_base) + +#undef _ctf_string +#define _ctf_string(_item, _src, _nowrite) + +#undef _ctf_enum +#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) + +/* "write" */ +#undef ctf_integer +#define ctf_integer(_type, _item, _src) + +#undef ctf_integer_hex +#define ctf_integer_hex(_type, _item, _src) + +#undef ctf_integer_network +#define ctf_integer_network(_type, _item, _src) + +#undef ctf_integer_network_hex +#define ctf_integer_network_hex(_type, _item, _src) + +#undef ctf_float +#define ctf_float(_type, _item, _src) + +#undef ctf_array +#define ctf_array(_type, _item, _src, _length) + +#undef ctf_array_text +#define ctf_array_text(_type, _item, _src, _length) + +#undef ctf_sequence +#define ctf_sequence(_type, _item, _src, _length_type, _src_length) + +#undef ctf_sequence_text +#define ctf_sequence_text(_type, _item, _src, _length_type, _src_length) + +#undef ctf_string +#define ctf_string(_item, _src) + +#undef ctf_enum +#define ctf_enum(_provider, _name, _type, _item, _src) + +/* "nowrite" */ +#undef ctf_integer_nowrite +#define ctf_integer_nowrite(_type, _item, _src) + +#undef ctf_float_nowrite +#define ctf_float_nowrite(_type, _item, _src) + +#undef ctf_array_nowrite +#define ctf_array_nowrite(_type, _item, _src, _length) + +#undef ctf_array_text_nowrite +#define ctf_array_text_nowrite(_type, _item, _src, _length) + +#undef ctf_sequence_nowrite +#define ctf_sequence_nowrite(_type, _item, _src, _length_type, _src_length) + +#undef ctf_sequence_text_nowrite +#define ctf_sequence_text_nowrite(_type, _item, _src, _length_type, _src_length) + +#undef ctf_string_nowrite +#define ctf_string_nowrite(_item, _src) + +#undef ctf_enum_nowrite +#define ctf_enum_nowrite(_provider, _name, _type, _item, _src) diff --git a/include/lttng/ust-tracepoint-event-write.h b/include/lttng/ust-tracepoint-event-write.h new file mode 100644 index 0000000..444702f --- /dev/null +++ b/include/lttng/ust-tracepoint-event-write.h @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2011 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#undef ctf_integer +#define ctf_integer(_type, _item, _src) \ + _ctf_integer_ext(_type, _item, _src, BYTE_ORDER, 10, 0) + +#undef ctf_integer_hex +#define ctf_integer_hex(_type, _item, _src) \ + _ctf_integer_ext(_type, _item, _src, BYTE_ORDER, 16, 0) + +#undef ctf_integer_network +#define ctf_integer_network(_type, _item, _src) \ + _ctf_integer_ext(_type, _item, _src, BIG_ENDIAN, 10, 0) + +#undef ctf_integer_network_hex +#define ctf_integer_network_hex(_type, _item, _src) \ + _ctf_integer_ext(_type, _item, _src, BIG_ENDIAN, 16, 0) + +#undef ctf_float +#define ctf_float(_type, _item, _src) \ + _ctf_float(_type, _item, _src, 0) + +#undef ctf_array +#define ctf_array(_type, _item, _src, _length) \ + _ctf_array_encoded(_type, _item, _src, _length, none, 0) + +#undef ctf_array_text +#define ctf_array_text(_type, _item, _src, _length) \ + _ctf_array_encoded(_type, _item, _src, _length, UTF8, 0) + +#undef ctf_sequence +#define ctf_sequence(_type, _item, _src, _length_type, _src_length) \ + _ctf_sequence_encoded(_type, _item, _src, \ + _length_type, _src_length, none, 0, 10) + +#undef ctf_sequence_hex +#define ctf_sequence_hex(_type, _item, _src, _length_type, _src_length) \ + _ctf_sequence_encoded(_type, _item, _src, \ + _length_type, _src_length, none, 0, 16) + +#undef ctf_sequence_text +#define ctf_sequence_text(_type, _item, _src, _length_type, _src_length) \ + _ctf_sequence_encoded(_type, _item, _src, \ + _length_type, _src_length, UTF8, 0, 10) + +#undef ctf_string +#define ctf_string(_item, _src) \ + _ctf_string(_item, _src, 0) + +#undef ctf_enum +#define ctf_enum(_provider, _name, _type, _item, _src) \ + _ctf_enum(_provider, _name, _type, _item, _src, 0) diff --git a/include/lttng/ust-tracepoint-event.h b/include/lttng/ust-tracepoint-event.h new file mode 100644 index 0000000..a470e8c --- /dev/null +++ b/include/lttng/ust-tracepoint-event.h @@ -0,0 +1,971 @@ +/* + * Copyright (c) 2011-2012 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define __LTTNG_UST_NULL_STRING "(null)" + +#undef tp_list_for_each_entry_rcu +#define tp_list_for_each_entry_rcu(pos, head, member) \ + for (pos = cds_list_entry(tp_rcu_dereference_bp((head)->next), __typeof__(*pos), member); \ + &pos->member != (head); \ + pos = cds_list_entry(tp_rcu_dereference_bp(pos->member.next), __typeof__(*pos), member)) + +/* + * TRACEPOINT_EVENT_CLASS declares a class of tracepoints receiving the + * same arguments and having the same field layout. + * + * TRACEPOINT_EVENT_INSTANCE declares an instance of a tracepoint, with + * its own provider and name. It refers to a class (template). + * + * TRACEPOINT_EVENT declared both a class and an instance and does a + * direct mapping from the instance to the class. + */ + +#undef TRACEPOINT_EVENT +#define TRACEPOINT_EVENT(_provider, _name, _args, _fields) \ + TRACEPOINT_EVENT_CLASS(_provider, _name, \ + _TP_PARAMS(_args), \ + _TP_PARAMS(_fields)) \ + TRACEPOINT_EVENT_INSTANCE(_provider, _name, _name, \ + _TP_PARAMS(_args)) + +/* Helpers */ +#define _TP_ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +#define _tp_max_t(type, x, y) \ + ({ \ + type __max1 = (x); \ + type __max2 = (y); \ + __max1 > __max2 ? __max1: __max2; \ + }) + +/* + * Stage 0 of tracepoint event generation. + * + * Check that each TRACEPOINT_EVENT provider argument match the + * TRACEPOINT_PROVIDER by creating dummy callbacks. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include + +static inline lttng_ust_notrace +void _TP_COMBINE_TOKENS(__tracepoint_provider_mismatch_, TRACEPOINT_PROVIDER)(void); +static inline +void _TP_COMBINE_TOKENS(__tracepoint_provider_mismatch_, TRACEPOINT_PROVIDER)(void) +{ +} + +#undef TRACEPOINT_EVENT_CLASS +#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ + __tracepoint_provider_mismatch_##_provider(); + +#undef TRACEPOINT_EVENT_INSTANCE +#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ + __tracepoint_provider_mismatch_##_provider(); + +static inline lttng_ust_notrace +void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void); +static inline +void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void) +{ +#include TRACEPOINT_INCLUDE +} + +/* + * Stage 0.1 of tracepoint event generation. + * + * Check that each TRACEPOINT_EVENT provider:name does not exceed the + * tracepoint name length limit. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include + +#undef TRACEPOINT_EVENT_INSTANCE +#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ +static const char \ + __tp_name_len_check##_provider##___##_name[LTTNG_UST_SYM_NAME_LEN] \ + __attribute__((unused)) = \ + #_provider ":" #_name; + +#include TRACEPOINT_INCLUDE + +/* + * Stage 0.9 of tracepoint event generation + * + * Unfolding the enums + */ +#include + +/* Enumeration entry (single value) */ +#undef ctf_enum_value +#define ctf_enum_value(_string, _value) \ + { \ + .start = { \ + .signedness = lttng_is_signed_type(__typeof__(_value)), \ + .value = lttng_is_signed_type(__typeof__(_value)) ? \ + (long long) (_value) : (_value), \ + }, \ + .end = { \ + .signedness = lttng_is_signed_type(__typeof__(_value)), \ + .value = lttng_is_signed_type(__typeof__(_value)) ? \ + (long long) (_value) : (_value), \ + }, \ + .string = (_string), \ + }, + +/* Enumeration entry (range) */ +#undef ctf_enum_range +#define ctf_enum_range(_string, _range_start, _range_end) \ + { \ + .start = { \ + .signedness = lttng_is_signed_type(__typeof__(_range_start)), \ + .value = lttng_is_signed_type(__typeof__(_range_start)) ? \ + (long long) (_range_start) : (_range_start), \ + }, \ + .end = { \ + .signedness = lttng_is_signed_type(__typeof__(_range_end)), \ + .value = lttng_is_signed_type(__typeof__(_range_end)) ? \ + (long long) (_range_end) : (_range_end), \ + }, \ + .string = (_string), \ + }, + +#undef TP_ENUM_VALUES +#define TP_ENUM_VALUES(...) \ + __VA_ARGS__ + +#undef TRACEPOINT_ENUM +#define TRACEPOINT_ENUM(_provider, _name, _values) \ + const struct lttng_enum_entry __enum_values__##_provider##_##_name[] = { \ + _values \ + ctf_enum_value("", 0) /* Dummy, 0-len array forbidden by C99. */ \ + }; + +#include TRACEPOINT_INCLUDE + +/* + * Stage 1 of tracepoint event generation. + * + * Create event field type metadata section. + * Each event produce an array of fields. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include +#include +#include + +#undef _ctf_integer_ext +#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \ + { \ + .name = #_item, \ + .type = __type_integer(_type, _byte_order, _base, none),\ + .nowrite = _nowrite, \ + }, + +#undef _ctf_float +#define _ctf_float(_type, _item, _src, _nowrite) \ + { \ + .name = #_item, \ + .type = __type_float(_type), \ + .nowrite = _nowrite, \ + }, + +#undef _ctf_array_encoded +#define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \ + { \ + .name = #_item, \ + .type = \ + { \ + .atype = atype_array, \ + .u = \ + { \ + .array = \ + { \ + .elem_type = __type_integer(_type, BYTE_ORDER, 10, _encoding), \ + .length = _length, \ + } \ + } \ + }, \ + .nowrite = _nowrite, \ + }, + +#undef _ctf_sequence_encoded +#define _ctf_sequence_encoded(_type, _item, _src, \ + _length_type, _src_length, _encoding, _nowrite, \ + _elem_type_base) \ + { \ + .name = #_item, \ + .type = \ + { \ + .atype = atype_sequence, \ + .u = \ + { \ + .sequence = \ + { \ + .length_type = __type_integer(_length_type, BYTE_ORDER, 10, none), \ + .elem_type = __type_integer(_type, BYTE_ORDER, _elem_type_base, _encoding), \ + }, \ + }, \ + }, \ + .nowrite = _nowrite, \ + }, + +#undef _ctf_string +#define _ctf_string(_item, _src, _nowrite) \ + { \ + .name = #_item, \ + .type = \ + { \ + .atype = atype_string, \ + .u = \ + { \ + .basic = { .string = { .encoding = lttng_encode_UTF8 } } \ + }, \ + }, \ + .nowrite = _nowrite, \ + }, + +#undef _ctf_enum +#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \ + { \ + .name = #_item, \ + .type = { \ + .atype = atype_enum, \ + .u = { \ + .basic = { \ + .enumeration = { \ + .desc = &__enum_##_provider##_##_name, \ + .container_type = { \ + .size = sizeof(_type) * CHAR_BIT, \ + .alignment = lttng_alignof(_type) * CHAR_BIT, \ + .signedness = lttng_is_signed_type(_type), \ + .reverse_byte_order = 0, \ + .base = 10, \ + .encoding = lttng_encode_none, \ + }, \ + }, \ + }, \ + }, \ + }, \ + .nowrite = _nowrite, \ + }, + +#undef TP_FIELDS +#define TP_FIELDS(...) __VA_ARGS__ /* Only one used in this phase */ + +#undef TRACEPOINT_EVENT_CLASS +#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ + static const struct lttng_event_field __event_fields___##_provider##___##_name[] = { \ + _fields \ + ctf_integer(int, dummy, 0) /* Dummy, C99 forbids 0-len array. */ \ + }; + +#undef TRACEPOINT_ENUM +#define TRACEPOINT_ENUM(_provider, _name, _values) \ + static const struct lttng_enum_desc __enum_##_provider##_##_name = { \ + .name = #_provider "_" #_name, \ + .entries = __enum_values__##_provider##_##_name, \ + .nr_entries = _TP_ARRAY_SIZE(__enum_values__##_provider##_##_name) - 1, \ + }; + +#include TRACEPOINT_INCLUDE + +/* + * Stage 2 of tracepoint event generation. + * + * Create probe callback prototypes. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include + +#undef TP_ARGS +#define TP_ARGS(...) __VA_ARGS__ + +#undef TRACEPOINT_EVENT_CLASS +#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +static void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)); + +#include TRACEPOINT_INCLUDE + +/* + * Stage 3.0 of tracepoint event generation. + * + * Create static inline function that calculates event size. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include +#include + +#undef _ctf_integer_ext +#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \ + __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \ + __event_len += sizeof(_type); + +#undef _ctf_float +#define _ctf_float(_type, _item, _src, _nowrite) \ + __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \ + __event_len += sizeof(_type); + +#undef _ctf_array_encoded +#define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \ + __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \ + __event_len += sizeof(_type) * (_length); + +#undef _ctf_sequence_encoded +#define _ctf_sequence_encoded(_type, _item, _src, _length_type, \ + _src_length, _encoding, _nowrite, _elem_type_base) \ + __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_length_type)); \ + __event_len += sizeof(_length_type); \ + __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \ + __dynamic_len[__dynamic_len_idx] = (_src_length); \ + __event_len += sizeof(_type) * __dynamic_len[__dynamic_len_idx]; \ + __dynamic_len_idx++; + +#undef _ctf_string +#define _ctf_string(_item, _src, _nowrite) \ + __event_len += __dynamic_len[__dynamic_len_idx++] = \ + strlen((_src) ? (_src) : __LTTNG_UST_NULL_STRING) + 1; + +#undef _ctf_enum +#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \ + _ctf_integer_ext(_type, _item, _src, BYTE_ORDER, 10, _nowrite) + +#undef TP_ARGS +#define TP_ARGS(...) __VA_ARGS__ + +#undef TP_FIELDS +#define TP_FIELDS(...) __VA_ARGS__ + +#undef TRACEPOINT_EVENT_CLASS +#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +static inline lttng_ust_notrace \ +size_t __event_get_size__##_provider##___##_name(size_t *__dynamic_len, _TP_ARGS_DATA_PROTO(_args)); \ +static inline \ +size_t __event_get_size__##_provider##___##_name(size_t *__dynamic_len, _TP_ARGS_DATA_PROTO(_args)) \ +{ \ + size_t __event_len = 0; \ + unsigned int __dynamic_len_idx = 0; \ + \ + if (0) \ + (void) __dynamic_len_idx; /* don't warn if unused */ \ + _fields \ + return __event_len; \ +} + +#include TRACEPOINT_INCLUDE + +/* + * Stage 3.1 of tracepoint event generation. + * + * Create static inline function that layout the filter stack data. + * We make both write and nowrite data available to the filter. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include +#include +#include + +#undef _ctf_integer_ext +#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \ + if (lttng_is_signed_type(_type)) { \ + int64_t __ctf_tmp_int64; \ + switch (sizeof(_type)) { \ + case 1: \ + { \ + union { _type t; int8_t v; } __tmp = { (_type) (_src) }; \ + __ctf_tmp_int64 = (int64_t) __tmp.v; \ + break; \ + } \ + case 2: \ + { \ + union { _type t; int16_t v; } __tmp = { (_type) (_src) }; \ + if (_byte_order != BYTE_ORDER) \ + __tmp.v = bswap_16(__tmp.v); \ + __ctf_tmp_int64 = (int64_t) __tmp.v; \ + break; \ + } \ + case 4: \ + { \ + union { _type t; int32_t v; } __tmp = { (_type) (_src) }; \ + if (_byte_order != BYTE_ORDER) \ + __tmp.v = bswap_32(__tmp.v); \ + __ctf_tmp_int64 = (int64_t) __tmp.v; \ + break; \ + } \ + case 8: \ + { \ + union { _type t; int64_t v; } __tmp = { (_type) (_src) }; \ + if (_byte_order != BYTE_ORDER) \ + __tmp.v = bswap_64(__tmp.v); \ + __ctf_tmp_int64 = (int64_t) __tmp.v; \ + break; \ + } \ + default: \ + abort(); \ + }; \ + memcpy(__stack_data, &__ctf_tmp_int64, sizeof(int64_t)); \ + } else { \ + uint64_t __ctf_tmp_uint64; \ + switch (sizeof(_type)) { \ + case 1: \ + { \ + union { _type t; uint8_t v; } __tmp = { (_type) (_src) }; \ + __ctf_tmp_uint64 = (uint64_t) __tmp.v; \ + break; \ + } \ + case 2: \ + { \ + union { _type t; uint16_t v; } __tmp = { (_type) (_src) }; \ + if (_byte_order != BYTE_ORDER) \ + __tmp.v = bswap_16(__tmp.v); \ + __ctf_tmp_uint64 = (uint64_t) __tmp.v; \ + break; \ + } \ + case 4: \ + { \ + union { _type t; uint32_t v; } __tmp = { (_type) (_src) }; \ + if (_byte_order != BYTE_ORDER) \ + __tmp.v = bswap_32(__tmp.v); \ + __ctf_tmp_uint64 = (uint64_t) __tmp.v; \ + break; \ + } \ + case 8: \ + { \ + union { _type t; uint64_t v; } __tmp = { (_type) (_src) }; \ + if (_byte_order != BYTE_ORDER) \ + __tmp.v = bswap_64(__tmp.v); \ + __ctf_tmp_uint64 = (uint64_t) __tmp.v; \ + break; \ + } \ + default: \ + abort(); \ + }; \ + memcpy(__stack_data, &__ctf_tmp_uint64, sizeof(uint64_t)); \ + } \ + __stack_data += sizeof(int64_t); + +#undef _ctf_float +#define _ctf_float(_type, _item, _src, _nowrite) \ + { \ + double __ctf_tmp_double = (double) (_type) (_src); \ + memcpy(__stack_data, &__ctf_tmp_double, sizeof(double)); \ + __stack_data += sizeof(double); \ + } + +#undef _ctf_array_encoded +#define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \ + { \ + unsigned long __ctf_tmp_ulong = (unsigned long) (_length); \ + const void *__ctf_tmp_ptr = (_src); \ + memcpy(__stack_data, &__ctf_tmp_ulong, sizeof(unsigned long)); \ + __stack_data += sizeof(unsigned long); \ + memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void *)); \ + __stack_data += sizeof(void *); \ + } + +#undef _ctf_sequence_encoded +#define _ctf_sequence_encoded(_type, _item, _src, _length_type, \ + _src_length, _encoding, _nowrite, _elem_type_base) \ + { \ + unsigned long __ctf_tmp_ulong = (unsigned long) (_src_length); \ + const void *__ctf_tmp_ptr = (_src); \ + memcpy(__stack_data, &__ctf_tmp_ulong, sizeof(unsigned long)); \ + __stack_data += sizeof(unsigned long); \ + memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void *)); \ + __stack_data += sizeof(void *); \ + } + +#undef _ctf_string +#define _ctf_string(_item, _src, _nowrite) \ + { \ + const void *__ctf_tmp_ptr = \ + ((_src) ? (_src) : __LTTNG_UST_NULL_STRING); \ + memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void *)); \ + __stack_data += sizeof(void *); \ + } + +#undef _ctf_enum +#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \ + _ctf_integer_ext(_type, _item, _src, BYTE_ORDER, 10, _nowrite) + +#undef TP_ARGS +#define TP_ARGS(...) __VA_ARGS__ + +#undef TP_FIELDS +#define TP_FIELDS(...) __VA_ARGS__ + +#undef TRACEPOINT_EVENT_CLASS +#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +static inline \ +void __event_prepare_filter_stack__##_provider##___##_name(char *__stack_data,\ + _TP_ARGS_DATA_PROTO(_args)) \ +{ \ + _fields \ +} + +#include TRACEPOINT_INCLUDE + +/* + * Stage 4 of tracepoint event generation. + * + * Create static inline function that calculates event payload alignment. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include +#include + +#undef _ctf_integer_ext +#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \ + __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type)); + +#undef _ctf_float +#define _ctf_float(_type, _item, _src, _nowrite) \ + __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type)); + +#undef _ctf_array_encoded +#define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \ + __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type)); + +#undef _ctf_sequence_encoded +#define _ctf_sequence_encoded(_type, _item, _src, _length_type, \ + _src_length, _encoding, _nowrite, _elem_type_base) \ + __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_length_type)); \ + __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type)); + +#undef _ctf_string +#define _ctf_string(_item, _src, _nowrite) + +#undef _ctf_enum +#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \ + _ctf_integer_ext(_type, _item, _src, BYTE_ORDER, 10, _nowrite) + +#undef TP_ARGS +#define TP_ARGS(...) __VA_ARGS__ + +#undef TP_FIELDS +#define TP_FIELDS(...) __VA_ARGS__ + +#undef TRACEPOINT_EVENT_CLASS +#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +static inline lttng_ust_notrace \ +size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)); \ +static inline \ +size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)) \ +{ \ + size_t __event_align = 1; \ + _fields \ + return __event_align; \ +} + +#include TRACEPOINT_INCLUDE + + +/* + * Stage 5 of tracepoint event generation. + * + * Create the probe function. This function calls event size calculation + * and writes event data into the buffer. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include +#include + +#undef _ctf_integer_ext +#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \ + { \ + _type __tmp = (_src); \ + lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__tmp));\ + __chan->ops->event_write(&__ctx, &__tmp, sizeof(__tmp));\ + } + +#undef _ctf_float +#define _ctf_float(_type, _item, _src, _nowrite) \ + { \ + _type __tmp = (_src); \ + lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__tmp));\ + __chan->ops->event_write(&__ctx, &__tmp, sizeof(__tmp));\ + } + +#undef _ctf_array_encoded +#define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \ + lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(_type)); \ + __chan->ops->event_write(&__ctx, _src, sizeof(_type) * (_length)); + +#undef _ctf_sequence_encoded +#define _ctf_sequence_encoded(_type, _item, _src, _length_type, \ + _src_length, _encoding, _nowrite, _elem_type_base) \ + { \ + _length_type __tmpl = __stackvar.__dynamic_len[__dynamic_len_idx]; \ + lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(_length_type));\ + __chan->ops->event_write(&__ctx, &__tmpl, sizeof(_length_type));\ + } \ + lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(_type)); \ + __chan->ops->event_write(&__ctx, _src, \ + sizeof(_type) * __get_dynamic_len(dest)); + +/* + * __chan->ops->u.has_strcpy is a flag letting us know if the LTTng-UST + * tracepoint provider ABI implements event_strcpy. This dynamic check + * can be removed when the tracepoint provider ABI moves to 2. + */ +#if (LTTNG_UST_PROVIDER_MAJOR > 1) +#error "Tracepoint probe provider major version has changed. Please remove dynamic check for has_strcpy." +#endif + +#undef _ctf_string +#define _ctf_string(_item, _src, _nowrite) \ + { \ + const char *__ctf_tmp_string = \ + ((_src) ? (_src) : __LTTNG_UST_NULL_STRING); \ + lib_ring_buffer_align_ctx(&__ctx, \ + lttng_alignof(*__ctf_tmp_string)); \ + if (__chan->ops->u.has_strcpy) \ + __chan->ops->event_strcpy(&__ctx, __ctf_tmp_string, \ + __get_dynamic_len(dest)); \ + else \ + __chan->ops->event_write(&__ctx, __ctf_tmp_string, \ + __get_dynamic_len(dest)); \ + } + + +#undef _ctf_enum +#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \ + _ctf_integer_ext(_type, _item, _src, BYTE_ORDER, 10, _nowrite) + +/* Beware: this get len actually consumes the len value */ +#undef __get_dynamic_len +#define __get_dynamic_len(field) __stackvar.__dynamic_len[__dynamic_len_idx++] + +#undef TP_ARGS +#define TP_ARGS(...) __VA_ARGS__ + +#undef TP_FIELDS +#define TP_FIELDS(...) __VA_ARGS__ + +/* + * For state dump, check that "session" argument (mandatory) matches the + * session this event belongs to. Ensures that we write state dump data only + * into the started session, not into all sessions. + */ +#undef _TP_SESSION_CHECK +#ifdef TP_SESSION_CHECK +#define _TP_SESSION_CHECK(session, csession) (session == csession) +#else /* TP_SESSION_CHECK */ +#define _TP_SESSION_CHECK(session, csession) 1 +#endif /* TP_SESSION_CHECK */ + +/* + * Use of __builtin_return_address(0) sometimes seems to cause stack + * corruption on 32-bit PowerPC. Disable this feature on that + * architecture for now by always using the NULL value for the ip + * context. + */ +#undef _TP_IP_PARAM +#ifdef TP_IP_PARAM +#define _TP_IP_PARAM(x) (x) +#else /* TP_IP_PARAM */ + +#if defined(__PPC__) && !defined(__PPC64__) +#define _TP_IP_PARAM(x) NULL +#else /* #if defined(__PPC__) && !defined(__PPC64__) */ +#define _TP_IP_PARAM(x) __builtin_return_address(0) +#endif /* #else #if defined(__PPC__) && !defined(__PPC64__) */ + +#endif /* TP_IP_PARAM */ + +/* + * Using twice size for filter stack data to hold size and pointer for + * each field (worse case). For integers, max size required is 64-bit. + * Same for double-precision floats. Those fit within + * 2*sizeof(unsigned long) for all supported architectures. + * Perform UNION (||) of filter runtime list. + */ +#undef TRACEPOINT_EVENT_CLASS +#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +static lttng_ust_notrace \ +void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)); \ +static \ +void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)) \ +{ \ + struct lttng_event *__event = (struct lttng_event *) __tp_data; \ + struct lttng_channel *__chan = __event->chan; \ + struct lttng_ust_lib_ring_buffer_ctx __ctx; \ + struct lttng_stack_ctx __lttng_ctx; \ + size_t __event_len, __event_align; \ + size_t __dynamic_len_idx = 0; \ + union { \ + size_t __dynamic_len[_TP_ARRAY_SIZE(__event_fields___##_provider##___##_name) - 1]; \ + char __filter_stack_data[2 * sizeof(unsigned long) * (_TP_ARRAY_SIZE(__event_fields___##_provider##___##_name) - 1)]; \ + } __stackvar; \ + int __ret; \ + \ + if (0) \ + (void) __dynamic_len_idx; /* don't warn if unused */ \ + if (!_TP_SESSION_CHECK(session, __chan->session)) \ + return; \ + if (caa_unlikely(!CMM_ACCESS_ONCE(__chan->session->active))) \ + return; \ + if (caa_unlikely(!CMM_ACCESS_ONCE(__chan->enabled))) \ + return; \ + if (caa_unlikely(!CMM_ACCESS_ONCE(__event->enabled))) \ + return; \ + if (caa_unlikely(!TP_RCU_LINK_TEST())) \ + return; \ + if (caa_unlikely(!cds_list_empty(&__event->bytecode_runtime_head))) { \ + struct lttng_bytecode_runtime *bc_runtime; \ + int __filter_record = __event->has_enablers_without_bytecode; \ + \ + __event_prepare_filter_stack__##_provider##___##_name(__stackvar.__filter_stack_data, \ + _TP_ARGS_DATA_VAR(_args)); \ + tp_list_for_each_entry_rcu(bc_runtime, &__event->bytecode_runtime_head, node) { \ + if (caa_unlikely(bc_runtime->filter(bc_runtime, \ + __stackvar.__filter_stack_data) & LTTNG_FILTER_RECORD_FLAG)) \ + __filter_record = 1; \ + } \ + if (caa_likely(!__filter_record)) \ + return; \ + } \ + __event_len = __event_get_size__##_provider##___##_name(__stackvar.__dynamic_len, \ + _TP_ARGS_DATA_VAR(_args)); \ + __event_align = __event_get_align__##_provider##___##_name(_TP_ARGS_VAR(_args)); \ + memset(&__lttng_ctx, 0, sizeof(__lttng_ctx)); \ + __lttng_ctx.event = __event; \ + __lttng_ctx.chan_ctx = tp_rcu_dereference_bp(__chan->ctx); \ + __lttng_ctx.event_ctx = tp_rcu_dereference_bp(__event->ctx); \ + lib_ring_buffer_ctx_init(&__ctx, __chan->chan, __event, __event_len, \ + __event_align, -1, __chan->handle, &__lttng_ctx); \ + __ctx.ip = _TP_IP_PARAM(TP_IP_PARAM); \ + __ret = __chan->ops->event_reserve(&__ctx, __event->id); \ + if (__ret < 0) \ + return; \ + _fields \ + __chan->ops->event_commit(&__ctx); \ +} + +#include TRACEPOINT_INCLUDE + +#undef __get_dynamic_len + +/* + * Stage 5.1 of tracepoint event generation. + * + * Create probe signature + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include + +#undef TP_ARGS +#define TP_ARGS(...) __VA_ARGS__ + +#define _TP_EXTRACT_STRING2(...) #__VA_ARGS__ + +#undef TRACEPOINT_EVENT_CLASS +#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +static const char __tp_event_signature___##_provider##___##_name[] = \ + _TP_EXTRACT_STRING2(_args); + +#include TRACEPOINT_INCLUDE + +#undef _TP_EXTRACT_STRING2 + +/* + * Stage 6 of tracepoint event generation. + * + * Tracepoint loglevel mapping definition generation. We generate a + * symbol for each mapping for a provider/event to ensure at most a 1 to + * 1 mapping between events and loglevels. If the symbol is repeated, + * the compiler will complain. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include + +#undef TRACEPOINT_LOGLEVEL +#define TRACEPOINT_LOGLEVEL(__provider, __name, __loglevel) \ +static const int _loglevel_value___##__provider##___##__name = __loglevel; \ +static const int *_loglevel___##__provider##___##__name = \ + &_loglevel_value___##__provider##___##__name; + +#include TRACEPOINT_INCLUDE + +/* + * Stage 6.1 of tracepoint event generation. + * + * Tracepoint UML URI info. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include + +#undef TRACEPOINT_MODEL_EMF_URI +#define TRACEPOINT_MODEL_EMF_URI(__provider, __name, __uri) \ +static const char *_model_emf_uri___##__provider##___##__name = __uri; + +#include TRACEPOINT_INCLUDE + +/* + * Stage 7.1 of tracepoint event generation. + * + * Create events description structures. We use a weakref because + * loglevels are optional. If not declared, the event will point to the + * a loglevel that contains NULL. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include + +#undef TRACEPOINT_EVENT_INSTANCE +#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ +static const int * \ + __ref_loglevel___##_provider##___##_name \ + __attribute__((weakref ("_loglevel___" #_provider "___" #_name))); \ +static const char * \ + __ref_model_emf_uri___##_provider##___##_name \ + __attribute__((weakref ("_model_emf_uri___" #_provider "___" #_name)));\ +static const struct lttng_event_desc __event_desc___##_provider##_##_name = { \ + .name = #_provider ":" #_name, \ + .probe_callback = (void (*)(void)) &__event_probe__##_provider##___##_template,\ + .ctx = NULL, \ + .fields = __event_fields___##_provider##___##_template, \ + .nr_fields = _TP_ARRAY_SIZE(__event_fields___##_provider##___##_template) - 1, \ + .loglevel = &__ref_loglevel___##_provider##___##_name, \ + .signature = __tp_event_signature___##_provider##___##_template, \ + .u = { \ + .ext = { \ + .model_emf_uri = &__ref_model_emf_uri___##_provider##___##_name, \ + }, \ + }, \ +}; + +#include TRACEPOINT_INCLUDE + +/* + * Stage 7.2 of tracepoint event generation. + * + * Create array of events. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include + +#undef TRACEPOINT_EVENT_INSTANCE +#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ + &__event_desc___##_provider##_##_name, + +static const struct lttng_event_desc *_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)[] = { +#include TRACEPOINT_INCLUDE + NULL, /* Dummy, C99 forbids 0-len array. */ +}; + + +/* + * Stage 8 of tracepoint event generation. + * + * Create a toplevel descriptor for the whole probe. + */ + +/* non-const because list head will be modified when registered. */ +static struct lttng_probe_desc _TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER) = { + .provider = __tp_stringify(TRACEPOINT_PROVIDER), + .event_desc = _TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER), + .nr_events = _TP_ARRAY_SIZE(_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)) - 1, + .head = { NULL, NULL }, + .lazy_init_head = { NULL, NULL }, + .lazy = 0, + .major = LTTNG_UST_PROVIDER_MAJOR, + .minor = LTTNG_UST_PROVIDER_MINOR, +}; + +static int _TP_COMBINE_TOKENS(__probe_register_refcount___, TRACEPOINT_PROVIDER); + +/* + * Stage 9 of tracepoint event generation. + * + * Register/unregister probes at module load/unload. + * + * Generate the constructor as an externally visible symbol for use when + * linking the probe statically. + * + * Register refcount is protected by libc dynamic loader mutex. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include +static void lttng_ust_notrace __attribute__((constructor)) +_TP_COMBINE_TOKENS(__lttng_events_init__, TRACEPOINT_PROVIDER)(void); +static void +_TP_COMBINE_TOKENS(__lttng_events_init__, TRACEPOINT_PROVIDER)(void) +{ + int ret; + + if (_TP_COMBINE_TOKENS(__probe_register_refcount___, + TRACEPOINT_PROVIDER)++) { + return; + } + /* + * __tracepoint_provider_check_ ## TRACEPOINT_PROVIDER() is a + * static inline function that ensures every probe PROVIDER + * argument match the provider within which they appear. It + * calls empty static inline functions, and therefore has no + * runtime effect. However, if it detects an error, a linker + * error will appear. + */ + _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(); + ret = lttng_probe_register(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER)); + if (ret) { + fprintf(stderr, "LTTng-UST: Error (%d) while registering tracepoint probe. Duplicate registration of tracepoint probes having the same name is not allowed.\n", ret); + abort(); + } +} + +static void lttng_ust_notrace __attribute__((destructor)) +_TP_COMBINE_TOKENS(__lttng_events_exit__, TRACEPOINT_PROVIDER)(void); +static void +_TP_COMBINE_TOKENS(__lttng_events_exit__, TRACEPOINT_PROVIDER)(void) +{ + if (--_TP_COMBINE_TOKENS(__probe_register_refcount___, + TRACEPOINT_PROVIDER)) { + return; + } + lttng_probe_unregister(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER)); +} + +int _TP_COMBINE_TOKENS(__tracepoint_provider_, TRACEPOINT_PROVIDER); diff --git a/include/lttng/ust-tracer.h b/include/lttng/ust-tracer.h new file mode 100644 index 0000000..ec30db7 --- /dev/null +++ b/include/lttng/ust-tracer.h @@ -0,0 +1,50 @@ +#ifndef _LTTNG_UST_TRACER_H +#define _LTTNG_UST_TRACER_H + +/* + * Copyright (C) 2005-2011 Mathieu Desnoyers + * + * This contains the core definitions for the Linux Trace Toolkit. + * + * Copyright 2011-2012 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include + +#ifndef LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS +/* Align data on its natural alignment */ +#define RING_BUFFER_ALIGN +#endif + +#ifndef CHAR_BIT +#define CHAR_BIT 8 +#endif + +#ifdef RING_BUFFER_ALIGN +#define lttng_alignof(type) __alignof__(type) +#else +#define lttng_alignof(type) 1 +#endif + +#define lttng_is_signed_type(type) ((type) -1 < (type) 0) + +#endif /* _LTTNG_UST_TRACER_H */ diff --git a/include/lttng/ust-version.h.in b/include/lttng/ust-version.h.in new file mode 100644 index 0000000..ae33a76 --- /dev/null +++ b/include/lttng/ust-version.h.in @@ -0,0 +1,33 @@ +#ifndef _LTTNG_UST_VERSION_H +#define _LTTNG_UST_VERSION_H + +/* + * lttng/ust-version.h.in. Contains the LTTng-UST versions + * + * Copyright (c) 2011 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define LTTNG_UST_MAJOR_VERSION @MAJOR_VERSION@ +#define LTTNG_UST_MINOR_VERSION @MINOR_VERSION@ +#define LTTNG_UST_PATCHLEVEL_VERSION @PATCHLEVEL_VERSION@ +#define LTTNG_UST_VERSION @PACKAGE_VERSION@ + +#endif /* _LTTNG_UST_VERSION_H */ diff --git a/include/lttng/ust.h b/include/lttng/ust.h new file mode 100644 index 0000000..2779d7a --- /dev/null +++ b/include/lttng/ust.h @@ -0,0 +1,40 @@ +#ifndef _LTTNG_UST_H +#define _LTTNG_UST_H + +/* + * Copyright (c) 2011-2012 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +extern void ust_before_fork(sigset_t *save_sigset); +extern void ust_after_fork_parent(sigset_t *restore_sigset); +extern void ust_after_fork_child(sigset_t *restore_sigset); + +#ifdef __cplusplus +} +#endif + +#endif /* _LTTNG_UST_H */ diff --git a/include/share.h b/include/share.h new file mode 100644 index 0000000..20315b2 --- /dev/null +++ b/include/share.h @@ -0,0 +1,31 @@ +#ifndef _LTTNG_SHARE_H +#define _LTTNG_SHARE_H + +/* + * Copyright (c) 2011 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +ssize_t patient_write(int fd, const void *buf, size_t count); +ssize_t patient_send(int fd, const void *buf, size_t count, int flags); + +#endif /* _LTTNG_SHARE_H */ diff --git a/include/ust-comm.h b/include/ust-comm.h new file mode 100644 index 0000000..fb0c0bb --- /dev/null +++ b/include/ust-comm.h @@ -0,0 +1,274 @@ +#ifndef _LTTNG_UST_COMM_H +#define _LTTNG_UST_COMM_H + +/* + * Copyright (C) 2011 - David Goulet + * Julien Desfossez + * Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* + * This header is meant for liblttng and libust internal use ONLY. + * These declarations should NOT be considered stable API. + */ + +#include +#include +#include +#include +#include +#include +#include + +/* + * Default timeout the application waits for the sessiond to send its + * "register done" command. Can be overridden with the environment + * variable "LTTNG_UST_REGISTER_TIMEOUT". Note that if the sessiond is not + * found, the application proceeds directly without any delay. + */ +#define LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS CONFIG_LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS + +#define LTTNG_DEFAULT_RUNDIR LTTNG_SYSTEM_RUNDIR +#define LTTNG_DEFAULT_HOME_RUNDIR ".lttng" + +/* Queue size of listen(2) */ +#define LTTNG_UST_COMM_MAX_LISTEN 10 +#define LTTNG_UST_COMM_REG_MSG_PADDING 64 + +struct lttng_event_field; +struct lttng_ctx_field; +struct lttng_enum_entry; +struct lttng_integer_type; +struct lttng_session; + +struct ustctl_reg_msg { + uint32_t magic; + uint32_t major; + uint32_t minor; + uint32_t pid; + uint32_t ppid; + uint32_t uid; + uint32_t gid; + uint32_t bits_per_long; + uint32_t uint8_t_alignment; + uint32_t uint16_t_alignment; + uint32_t uint32_t_alignment; + uint32_t uint64_t_alignment; + uint32_t long_alignment; + uint32_t socket_type; /* enum ustctl_socket_type */ + char name[LTTNG_UST_ABI_PROCNAME_LEN]; /* process name */ + char padding[LTTNG_UST_COMM_REG_MSG_PADDING]; +} LTTNG_PACKED; + +/* + * Data structure for the commands sent from sessiond to UST. + */ +#define USTCOMM_MSG_PADDING1 32 +#define USTCOMM_MSG_PADDING2 32 +struct ustcomm_ust_msg { + uint32_t handle; + uint32_t cmd; + char padding[USTCOMM_MSG_PADDING1]; + union { + struct lttng_ust_channel channel; + struct lttng_ust_stream stream; + struct lttng_ust_event event; + struct lttng_ust_context context; + struct lttng_ust_tracer_version version; + struct lttng_ust_tracepoint_iter tracepoint; + struct { + uint32_t data_size; /* following filter data */ + uint32_t reloc_offset; + uint64_t seqnum; + } LTTNG_PACKED filter; + struct { + uint32_t count; /* how many names follow */ + } LTTNG_PACKED exclusion; + char padding[USTCOMM_MSG_PADDING2]; + } u; +} LTTNG_PACKED; + +/* + * Data structure for the response from UST to the session daemon. + * cmd_type is sent back in the reply for validation. + */ +#define USTCOMM_REPLY_PADDING1 32 +#define USTCOMM_REPLY_PADDING2 32 +struct ustcomm_ust_reply { + uint32_t handle; + uint32_t cmd; + int32_t ret_code; /* enum ustcomm_return_code */ + uint32_t ret_val; /* return value */ + char padding[USTCOMM_REPLY_PADDING1]; + union { + struct { + uint64_t memory_map_size; + } LTTNG_PACKED channel; + struct { + uint64_t memory_map_size; + } LTTNG_PACKED stream; + struct lttng_ust_tracer_version version; + struct lttng_ust_tracepoint_iter tracepoint; + char padding[USTCOMM_REPLY_PADDING2]; + } u; +} LTTNG_PACKED; + +struct ustcomm_notify_hdr { + uint32_t notify_cmd; +} LTTNG_PACKED; + +#define USTCOMM_NOTIFY_EVENT_MSG_PADDING 32 +struct ustcomm_notify_event_msg { + uint32_t session_objd; + uint32_t channel_objd; + char event_name[LTTNG_UST_SYM_NAME_LEN]; + int32_t loglevel; + uint32_t signature_len; + uint32_t fields_len; + uint32_t model_emf_uri_len; + char padding[USTCOMM_NOTIFY_EVENT_MSG_PADDING]; + /* followed by signature, fields, and model_emf_uri */ +} LTTNG_PACKED; + +#define USTCOMM_NOTIFY_EVENT_REPLY_PADDING 32 +struct ustcomm_notify_event_reply { + int32_t ret_code; /* 0: ok, negative: error code */ + uint32_t event_id; + char padding[USTCOMM_NOTIFY_EVENT_REPLY_PADDING]; +} LTTNG_PACKED; + +#define USTCOMM_NOTIFY_ENUM_MSG_PADDING 32 +struct ustcomm_notify_enum_msg { + uint32_t session_objd; + char enum_name[LTTNG_UST_SYM_NAME_LEN]; + uint32_t entries_len; + char padding[USTCOMM_NOTIFY_ENUM_MSG_PADDING]; + /* followed by enum entries */ +} LTTNG_PACKED; + +#define USTCOMM_NOTIFY_EVENT_REPLY_PADDING 32 +struct ustcomm_notify_enum_reply { + int32_t ret_code; /* 0: ok, negative: error code */ + uint64_t enum_id; + char padding[USTCOMM_NOTIFY_EVENT_REPLY_PADDING]; +} LTTNG_PACKED; + +#define USTCOMM_NOTIFY_CHANNEL_MSG_PADDING 32 +struct ustcomm_notify_channel_msg { + uint32_t session_objd; + uint32_t channel_objd; + uint32_t ctx_fields_len; + char padding[USTCOMM_NOTIFY_CHANNEL_MSG_PADDING]; + /* followed by context fields */ +} LTTNG_PACKED; + +#define USTCOMM_NOTIFY_CHANNEL_REPLY_PADDING 32 +struct ustcomm_notify_channel_reply { + int32_t ret_code; /* 0: ok, negative: error code */ + uint32_t chan_id; + uint32_t header_type; /* enum ustctl_channel_header */ + char padding[USTCOMM_NOTIFY_CHANNEL_REPLY_PADDING]; +} LTTNG_PACKED; + +/* + * LTTNG_UST_TRACEPOINT_FIELD_LIST reply is followed by a + * struct lttng_ust_field_iter field. + */ + +extern int ustcomm_create_unix_sock(const char *pathname); +extern int ustcomm_connect_unix_sock(const char *pathname); +extern int ustcomm_accept_unix_sock(int sock); +extern int ustcomm_listen_unix_sock(int sock); +extern int ustcomm_close_unix_sock(int sock); + +extern ssize_t ustcomm_recv_unix_sock(int sock, void *buf, size_t len); +extern ssize_t ustcomm_send_unix_sock(int sock, const void *buf, size_t len); +extern ssize_t ustcomm_send_fds_unix_sock(int sock, int *fds, size_t nb_fd); +extern ssize_t ustcomm_recv_fds_unix_sock(int sock, int *fds, size_t nb_fd); + +extern const char *ustcomm_get_readable_code(int code); +extern int ustcomm_send_app_msg(int sock, struct ustcomm_ust_msg *lum); +extern int ustcomm_recv_app_reply(int sock, struct ustcomm_ust_reply *lur, + uint32_t expected_handle, uint32_t expected_cmd); +extern int ustcomm_send_app_cmd(int sock, + struct ustcomm_ust_msg *lum, + struct ustcomm_ust_reply *lur); +int ustcomm_recv_fd(int sock); + +ssize_t ustcomm_recv_channel_from_sessiond(int sock, + void **chan_data, uint64_t len, int *wakeup_fd); +int ustcomm_recv_stream_from_sessiond(int sock, + uint64_t *memory_map_size, + int *shm_fd, int *wakeup_fd); + +/* + * Returns 0 on success, negative error value on error. + * Returns -EPIPE or -ECONNRESET if other end has hung up. + */ +int ustcomm_send_reg_msg(int sock, + enum ustctl_socket_type type, + uint32_t bits_per_long, + uint32_t uint8_t_alignment, + uint32_t uint16_t_alignment, + uint32_t uint32_t_alignment, + uint32_t uint64_t_alignment, + uint32_t long_alignment); + +/* + * Returns 0 on success, negative error value on error. + * Returns -EPIPE or -ECONNRESET if other end has hung up. + */ +int ustcomm_register_event(int sock, + struct lttng_session *session, + int session_objd, /* session descriptor */ + int channel_objd, /* channel descriptor */ + const char *event_name, /* event name (input) */ + int loglevel, + const char *signature, /* event signature (input) */ + size_t nr_fields, /* fields */ + const struct lttng_event_field *fields, + const char *model_emf_uri, + uint32_t *id); /* event id (output) */ + +/* + * Returns 0 on success, negative error value on error. + * Returns -EPIPE or -ECONNRESET if other end has hung up. + */ +int ustcomm_register_enum(int sock, + int session_objd, /* session descriptor */ + const char *enum_name, /* enum name (input) */ + size_t nr_entries, /* entries */ + const struct lttng_enum_entry *entries, + uint64_t *id); /* enum id (output) */ + +/* + * Returns 0 on success, negative error value on error. + * Returns -EPIPE or -ECONNRESET if other end has hung up. + */ +int ustcomm_register_channel(int sock, + struct lttng_session *session, + int session_objd, /* session descriptor */ + int channel_objd, /* channel descriptor */ + size_t nr_ctx_fields, + const struct lttng_ctx_field *ctx_fields, + uint32_t *chan_id, /* channel id (output) */ + int *header_type); /* header type (output) */ + +int ustcomm_setsockopt_rcv_timeout(int sock, unsigned int msec); +int ustcomm_setsockopt_snd_timeout(int sock, unsigned int msec); + +#endif /* _LTTNG_UST_COMM_H */ diff --git a/include/ust_snprintf.h b/include/ust_snprintf.h new file mode 100644 index 0000000..5ce1485 --- /dev/null +++ b/include/ust_snprintf.h @@ -0,0 +1,26 @@ +/* Copyright (C) 2009 Pierre-Marc Fournier + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef UST_SNPRINTF +#define UST_SNPRINTF + +#include + +extern int ust_safe_vsnprintf(char *str, size_t n, const char *fmt, va_list ap); +extern int ust_safe_snprintf(char *str, size_t n, const char *fmt, ...); + +#endif /* UST_SNPRINTF */ diff --git a/include/usterr-signal-safe.h b/include/usterr-signal-safe.h new file mode 100644 index 0000000..1df5ada --- /dev/null +++ b/include/usterr-signal-safe.h @@ -0,0 +1,148 @@ +#ifndef _USTERR_SIGNAL_SAFE_H +#define _USTERR_SIGNAL_SAFE_H + +/* + * Copyright (C) 2009 Pierre-Marc Fournier + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include "lttng/ust-tid.h" + +enum ust_loglevel { + UST_LOGLEVEL_UNKNOWN = 0, + UST_LOGLEVEL_NORMAL, + UST_LOGLEVEL_DEBUG, +}; + +extern volatile enum ust_loglevel ust_loglevel; +void init_usterr(void); + +#ifdef LTTNG_UST_DEBUG +static inline int ust_debug(void) +{ + return 1; +} +#else /* #ifdef LTTNG_UST_DEBUG */ +static inline int ust_debug(void) +{ + return ust_loglevel == UST_LOGLEVEL_DEBUG; +} +#endif /* #else #ifdef LTTNG_UST_DEBUG */ + +#ifndef UST_COMPONENT +//#error UST_COMPONENT is undefined +#define UST_COMPONENT libust +#endif + +/* To stringify the expansion of a define */ +#define UST_XSTR(d) UST_STR(d) +#define UST_STR(s) #s + +#define USTERR_MAX_LEN 512 + +/* We sometimes print in the tracing path, and tracing can occur in + * signal handlers, so we must use a print method which is signal safe. + */ + +extern int ust_safe_snprintf(char *str, size_t n, const char *fmt, ...) + __attribute__ ((format (printf, 3, 4))); + +static inline void __attribute__ ((format (printf, 1, 2))) + __check_ust_safe_fmt(const char *fmt, ...) +{ +} + +/* Can't use dynamic allocation. Limit ourselves to USTERR_MAX_LEN chars. */ +/* Add end of string in case of buffer overflow. */ +#define sigsafe_print_err(fmt, args...) \ +do { \ + if (ust_debug()) { \ + char ____buf[USTERR_MAX_LEN]; \ + int ____saved_errno; \ + \ + ____saved_errno = errno; /* signal-safety */ \ + ust_safe_snprintf(____buf, sizeof(____buf), fmt, ## args); \ + ____buf[sizeof(____buf) - 1] = 0; \ + patient_write(STDERR_FILENO, ____buf, strlen(____buf)); \ + errno = ____saved_errno; /* signal-safety */ \ + fflush(stderr); \ + } \ +} while (0) + +#define UST_STR_COMPONENT UST_XSTR(UST_COMPONENT) + +#define ERRMSG(fmt, args...) \ + do { \ + sigsafe_print_err(UST_STR_COMPONENT "[%ld/%ld]: " fmt " (in %s() at " __FILE__ ":" UST_XSTR(__LINE__) ")\n", \ + (long) getpid(), \ + (long) gettid(), \ + ## args, __func__); \ + } while(0) + + +#define DBG(fmt, args...) ERRMSG(fmt, ## args) +#define DBG_raw(fmt, args...) sigsafe_print_err(fmt, ## args) +#define WARN(fmt, args...) ERRMSG("Warning: " fmt, ## args) +#define ERR(fmt, args...) ERRMSG("Error: " fmt, ## args) +#define BUG(fmt, args...) ERRMSG("BUG: " fmt, ## args) + +#if !defined(__GLIBC__) || ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !defined(_GNU_SOURCE)) +/* + * Version using XSI strerror_r. + */ +#define PERROR(call, args...) \ + do { \ + if (ust_debug()) { \ + char buf[200] = "Error in strerror_r()"; \ + strerror_r(errno, buf, sizeof(buf)); \ + ERRMSG("Error: " call ": %s", ## args, buf); \ + } \ + } while(0) +#else +/* + * Version using GNU strerror_r, for linux with appropriate defines. + */ +#define PERROR(call, args...) \ + do { \ + if (ust_debug()) { \ + char *buf; \ + char tmp[200]; \ + buf = strerror_r(errno, tmp, sizeof(tmp)); \ + ERRMSG("Error: " call ": %s", ## args, buf); \ + } \ + } while(0) +#endif + +#define BUG_ON(condition) \ + do { \ + if (caa_unlikely(condition)) \ + ERR("condition not respected (BUG) on line %s:%d", __FILE__, __LINE__); \ + } while(0) +#define WARN_ON(condition) \ + do { \ + if (caa_unlikely(condition)) \ + WARN("condition not respected on line %s:%d", __FILE__, __LINE__); \ + } while(0) +#define WARN_ON_ONCE(condition) WARN_ON(condition) + +#endif /* _USTERR_SIGNAL_SAFE_H */ diff --git a/liblttng-ust-comm/Makefile.am b/liblttng-ust-comm/Makefile.am new file mode 100644 index 0000000..065dbbf --- /dev/null +++ b/liblttng-ust-comm/Makefile.am @@ -0,0 +1,5 @@ +AM_CPPFLAGS = -I$(top_builddir)/include -I$(top_srcdir)/include + +noinst_LTLIBRARIES = liblttng-ust-comm.la + +liblttng_ust_comm_la_SOURCES = lttng-ust-comm.c diff --git a/liblttng-ust-comm/Makefile.in b/liblttng-ust-comm/Makefile.in new file mode 100644 index 0000000..e6ce01e --- /dev/null +++ b/liblttng-ust-comm/Makefile.in @@ -0,0 +1,625 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; 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\ + fi +mostlyclean-generic: + +clean-generic: + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-am + +clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \ + mostlyclean-am + +distclean: distclean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +distclean-am: clean-am distclean-compile distclean-generic \ + distclean-tags + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: + +install-dvi: install-dvi-am + +install-dvi-am: + +install-exec-am: + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + +install-man: + +install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: + +.MAKE: install-am install-strip + +.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \ + clean-libtool clean-noinstLTLIBRARIES cscopelist-am ctags \ + ctags-am distclean distclean-compile distclean-generic \ + distclean-libtool distclean-tags distdir dvi dvi-am html \ + html-am info info-am install install-am install-data \ + install-data-am install-dvi install-dvi-am install-exec \ + install-exec-am install-html install-html-am install-info \ + install-info-am install-man install-pdf install-pdf-am \ + install-ps install-ps-am install-strip installcheck \ + installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/liblttng-ust-comm/lttng-ust-comm.c b/liblttng-ust-comm/lttng-ust-comm.c new file mode 100644 index 0000000..ecc2382 --- /dev/null +++ b/liblttng-ust-comm/lttng-ust-comm.c @@ -0,0 +1,1532 @@ +/* + * Copyright (C) 2011 - David Goulet + * Copyright (C) 2011-2013 - Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include "../liblttng-ust/compat.h" + +#define USTCOMM_CODE_OFFSET(code) \ + (code == LTTNG_UST_OK ? 0 : (code - LTTNG_UST_ERR + 1)) + +#define USTCOMM_MAX_SEND_FDS 4 + +static +ssize_t count_fields_recursive(size_t nr_fields, + const struct lttng_event_field *lttng_fields); +static +int serialize_one_field(struct lttng_session *session, + struct ustctl_field *fields, size_t *iter_output, + const struct lttng_event_field *lf); + +/* + * Human readable error message. + */ +static const char *ustcomm_readable_code[] = { + [ USTCOMM_CODE_OFFSET(LTTNG_UST_OK) ] = "Success", + [ USTCOMM_CODE_OFFSET(LTTNG_UST_ERR) ] = "Unknown error", + [ USTCOMM_CODE_OFFSET(LTTNG_UST_ERR_NOENT) ] = "No entry", + [ USTCOMM_CODE_OFFSET(LTTNG_UST_ERR_EXIST) ] = "Object already exists", + [ USTCOMM_CODE_OFFSET(LTTNG_UST_ERR_INVAL) ] = "Invalid argument", + [ USTCOMM_CODE_OFFSET(LTTNG_UST_ERR_PERM) ] = "Permission denied", + [ USTCOMM_CODE_OFFSET(LTTNG_UST_ERR_NOSYS) ] = "Not implemented", + [ USTCOMM_CODE_OFFSET(LTTNG_UST_ERR_EXITING) ] = "Process is exiting", + + [ USTCOMM_CODE_OFFSET(LTTNG_UST_ERR_INVAL_MAGIC) ] = "Invalid magic number", + [ USTCOMM_CODE_OFFSET(LTTNG_UST_ERR_INVAL_SOCKET_TYPE) ] = "Invalid socket type", + [ USTCOMM_CODE_OFFSET(LTTNG_UST_ERR_UNSUP_MAJOR) ] = "Unsupported major version", +}; + +/* + * lttng_ust_strerror + * + * Receives positive error value. + * Return ptr to string representing a human readable + * error code from the ustcomm_return_code enum. + */ +const char *lttng_ust_strerror(int code) +{ + if (code == LTTNG_UST_OK) + return ustcomm_readable_code[USTCOMM_CODE_OFFSET(code)]; + if (code < LTTNG_UST_ERR) + return strerror(code); + if (code >= LTTNG_UST_ERR_NR) + code = LTTNG_UST_ERR; + return ustcomm_readable_code[USTCOMM_CODE_OFFSET(code)]; +} + +/* + * ustcomm_connect_unix_sock + * + * Connect to unix socket using the path name. + */ +int ustcomm_connect_unix_sock(const char *pathname) +{ + struct sockaddr_un sun; + int fd, ret; + + /* + * libust threads require the close-on-exec flag for all + * resources so it does not leak file descriptors upon exec. + */ + fd = socket(PF_UNIX, SOCK_STREAM, 0); + if (fd < 0) { + PERROR("socket"); + ret = -errno; + goto error; + } + ret = fcntl(fd, F_SETFD, FD_CLOEXEC); + if (ret < 0) { + PERROR("fcntl"); + ret = -errno; + goto error_fcntl; + } + + memset(&sun, 0, sizeof(sun)); + sun.sun_family = AF_UNIX; + strncpy(sun.sun_path, pathname, sizeof(sun.sun_path)); + sun.sun_path[sizeof(sun.sun_path) - 1] = '\0'; + + ret = connect(fd, (struct sockaddr *) &sun, sizeof(sun)); + if (ret < 0) { + /* + * Don't print message on connect ENOENT error, because + * connect is used in normal execution to detect if + * sessiond is alive. ENOENT is when the unix socket + * file does not exist, and ECONNREFUSED is when the + * file exists but no sessiond is listening. + */ + if (errno != ECONNREFUSED && errno != ECONNRESET + && errno != ENOENT && errno != EACCES) + PERROR("connect"); + ret = -errno; + if (ret == -ECONNREFUSED || ret == -ECONNRESET) + ret = -EPIPE; + goto error_connect; + } + + return fd; + +error_connect: +error_fcntl: + { + int closeret; + + closeret = close(fd); + if (closeret) + PERROR("close"); + } +error: + return ret; +} + +/* + * ustcomm_accept_unix_sock + * + * Do an accept(2) on the sock and return the + * new file descriptor. The socket MUST be bind(2) before. + */ +int ustcomm_accept_unix_sock(int sock) +{ + int new_fd; + struct sockaddr_un sun; + socklen_t len = 0; + + /* Blocking call */ + new_fd = accept(sock, (struct sockaddr *) &sun, &len); + if (new_fd < 0) { + if (errno != ECONNABORTED) + PERROR("accept"); + new_fd = -errno; + if (new_fd == -ECONNABORTED) + new_fd = -EPIPE; + } + return new_fd; +} + +/* + * ustcomm_create_unix_sock + * + * Creates a AF_UNIX local socket using pathname + * bind the socket upon creation and return the fd. + */ +int ustcomm_create_unix_sock(const char *pathname) +{ + struct sockaddr_un sun; + int fd, ret; + + /* Create server socket */ + if ((fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) { + PERROR("socket"); + ret = -errno; + goto error; + } + + memset(&sun, 0, sizeof(sun)); + sun.sun_family = AF_UNIX; + strncpy(sun.sun_path, pathname, sizeof(sun.sun_path)); + sun.sun_path[sizeof(sun.sun_path) - 1] = '\0'; + + /* Unlink the old file if present */ + (void) unlink(pathname); + ret = bind(fd, (struct sockaddr *) &sun, sizeof(sun)); + if (ret < 0) { + PERROR("bind"); + ret = -errno; + goto error_close; + } + + return fd; + +error_close: + { + int closeret; + + closeret = close(fd); + if (closeret) { + PERROR("close"); + } + } +error: + return ret; +} + +/* + * ustcomm_listen_unix_sock + * + * Make the socket listen using LTTNG_UST_COMM_MAX_LISTEN. + */ +int ustcomm_listen_unix_sock(int sock) +{ + int ret; + + ret = listen(sock, LTTNG_UST_COMM_MAX_LISTEN); + if (ret < 0) { + ret = -errno; + PERROR("listen"); + } + + return ret; +} + +/* + * ustcomm_close_unix_sock + * + * Shutdown cleanly a unix socket. + */ +int ustcomm_close_unix_sock(int sock) +{ + int ret; + + ret = close(sock); + if (ret < 0) { + PERROR("close"); + ret = -errno; + } + + return ret; +} + +/* + * ustcomm_recv_unix_sock + * + * Receive data of size len in put that data into + * the buf param. Using recvmsg API. + * Return the size of received data. + * Return 0 on orderly shutdown. + */ +ssize_t ustcomm_recv_unix_sock(int sock, void *buf, size_t len) +{ + struct msghdr msg; + struct iovec iov[1]; + ssize_t ret = -1; + size_t len_last; + + memset(&msg, 0, sizeof(msg)); + + iov[0].iov_base = buf; + iov[0].iov_len = len; + msg.msg_iov = iov; + msg.msg_iovlen = 1; + + do { + len_last = iov[0].iov_len; + ret = recvmsg(sock, &msg, 0); + if (ret > 0) { + iov[0].iov_base += ret; + iov[0].iov_len -= ret; + assert(ret <= len_last); + } + } while ((ret > 0 && ret < len_last) || (ret < 0 && errno == EINTR)); + + if (ret < 0) { + int shutret; + + if (errno != EPIPE && errno != ECONNRESET && errno != ECONNREFUSED) + PERROR("recvmsg"); + ret = -errno; + if (ret == -ECONNRESET || ret == -ECONNREFUSED) + ret = -EPIPE; + + shutret = shutdown(sock, SHUT_RDWR); + if (shutret) + ERR("Socket shutdown error"); + } else if (ret > 0) { + ret = len; + } + /* ret = 0 means an orderly shutdown. */ + + return ret; +} + +/* + * ustcomm_send_unix_sock + * + * Send buf data of size len. Using sendmsg API. + * Return the size of sent data. + */ +ssize_t ustcomm_send_unix_sock(int sock, const void *buf, size_t len) +{ + struct msghdr msg; + struct iovec iov[1]; + ssize_t ret; + + memset(&msg, 0, sizeof(msg)); + + iov[0].iov_base = (void *) buf; + iov[0].iov_len = len; + msg.msg_iov = iov; + msg.msg_iovlen = 1; + + /* + * Using the MSG_NOSIGNAL when sending data from sessiond to + * libust, so libust does not receive an unhandled SIGPIPE or + * SIGURG. The sessiond receiver side can be made more resilient + * by ignoring SIGPIPE, but we don't have this luxury on the + * libust side. + */ + do { + ret = sendmsg(sock, &msg, MSG_NOSIGNAL); + } while (ret < 0 && errno == EINTR); + + if (ret < 0) { + int shutret; + + if (errno != EPIPE && errno != ECONNRESET) + PERROR("sendmsg"); + ret = -errno; + if (ret == -ECONNRESET) + ret = -EPIPE; + + shutret = shutdown(sock, SHUT_RDWR); + if (shutret) + ERR("Socket shutdown error"); + } + + return ret; +} + +/* + * Send a message accompanied by fd(s) over a unix socket. + * + * Returns the size of data sent, or negative error value. + */ +ssize_t ustcomm_send_fds_unix_sock(int sock, int *fds, size_t nb_fd) +{ + struct msghdr msg; + struct cmsghdr *cmptr; + struct iovec iov[1]; + ssize_t ret = -1; + unsigned int sizeof_fds = nb_fd * sizeof(int); + char tmp[CMSG_SPACE(sizeof_fds)]; + char dummy = 0; + + memset(&msg, 0, sizeof(msg)); + memset(tmp, 0, CMSG_SPACE(sizeof_fds) * sizeof(char)); + + if (nb_fd > USTCOMM_MAX_SEND_FDS) + return -EINVAL; + + msg.msg_control = (caddr_t)tmp; + msg.msg_controllen = CMSG_LEN(sizeof_fds); + + cmptr = CMSG_FIRSTHDR(&msg); + if (!cmptr) + return -EINVAL; + cmptr->cmsg_level = SOL_SOCKET; + cmptr->cmsg_type = SCM_RIGHTS; + cmptr->cmsg_len = CMSG_LEN(sizeof_fds); + memcpy(CMSG_DATA(cmptr), fds, sizeof_fds); + /* Sum of the length of all control messages in the buffer: */ + msg.msg_controllen = cmptr->cmsg_len; + + iov[0].iov_base = &dummy; + iov[0].iov_len = 1; + msg.msg_iov = iov; + msg.msg_iovlen = 1; + + do { + ret = sendmsg(sock, &msg, MSG_NOSIGNAL); + } while (ret < 0 && errno == EINTR); + if (ret < 0) { + /* + * We consider EPIPE and ECONNRESET as expected. + */ + if (errno != EPIPE && errno != ECONNRESET) { + PERROR("sendmsg"); + } + ret = -errno; + if (ret == -ECONNRESET) + ret = -EPIPE; + } + return ret; +} + +/* + * Recv a message accompanied by fd(s) from a unix socket. + * + * Returns the size of received data, or negative error value. + * + * Expect at most "nb_fd" file descriptors. Returns the number of fd + * actually received in nb_fd. + * Returns -EPIPE on orderly shutdown. + */ +ssize_t ustcomm_recv_fds_unix_sock(int sock, int *fds, size_t nb_fd) +{ + struct iovec iov[1]; + ssize_t ret = 0; + struct cmsghdr *cmsg; + size_t sizeof_fds = nb_fd * sizeof(int); + char recv_fd[CMSG_SPACE(sizeof_fds)]; + struct msghdr msg; + char dummy; + + memset(&msg, 0, sizeof(msg)); + + /* Prepare to receive the structures */ + iov[0].iov_base = &dummy; + iov[0].iov_len = 1; + msg.msg_iov = iov; + msg.msg_iovlen = 1; + msg.msg_control = recv_fd; + msg.msg_controllen = sizeof(recv_fd); + + do { + ret = recvmsg(sock, &msg, 0); + } while (ret < 0 && errno == EINTR); + if (ret < 0) { + if (errno != EPIPE && errno != ECONNRESET) { + PERROR("recvmsg fds"); + } + ret = -errno; + if (ret == -ECONNRESET) + ret = -EPIPE; + goto end; + } + if (ret == 0) { + /* orderly shutdown */ + ret = -EPIPE; + goto end; + } + if (ret != 1) { + ERR("Error: Received %zd bytes, expected %d\n", + ret, 1); + goto end; + } + if (msg.msg_flags & MSG_CTRUNC) { + ERR("Error: Control message truncated.\n"); + ret = -1; + goto end; + } + cmsg = CMSG_FIRSTHDR(&msg); + if (!cmsg) { + ERR("Error: Invalid control message header\n"); + ret = -1; + goto end; + } + if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { + ERR("Didn't received any fd\n"); + ret = -1; + goto end; + } + if (cmsg->cmsg_len != CMSG_LEN(sizeof_fds)) { + ERR("Error: Received %zu bytes of ancillary data, expected %zu\n", + (size_t) cmsg->cmsg_len, (size_t) CMSG_LEN(sizeof_fds)); + ret = -1; + goto end; + } + memcpy(fds, CMSG_DATA(cmsg), sizeof_fds); + ret = sizeof_fds; +end: + return ret; +} + +int ustcomm_send_app_msg(int sock, struct ustcomm_ust_msg *lum) +{ + ssize_t len; + + len = ustcomm_send_unix_sock(sock, lum, sizeof(*lum)); + switch (len) { + case sizeof(*lum): + break; + default: + if (len < 0) { + return len; + } else { + ERR("incorrect message size: %zd\n", len); + return -EINVAL; + } + } + return 0; +} + +int ustcomm_recv_app_reply(int sock, struct ustcomm_ust_reply *lur, + uint32_t expected_handle, uint32_t expected_cmd) +{ + ssize_t len; + + memset(lur, 0, sizeof(*lur)); + len = ustcomm_recv_unix_sock(sock, lur, sizeof(*lur)); + switch (len) { + case 0: /* orderly shutdown */ + return -EPIPE; + case sizeof(*lur): + { + int err = 0; + + if (lur->handle != expected_handle) { + ERR("Unexpected result message handle: " + "expected: %u vs received: %u\n", + expected_handle, lur->handle); + err = 1; + } + if (lur->cmd != expected_cmd) { + ERR("Unexpected result message command " + "expected: %u vs received: %u\n", + expected_cmd, lur->cmd); + err = 1; + } + if (err) { + return -EINVAL; + } else { + return lur->ret_code; + } + } + default: + if (len >= 0) { + ERR("incorrect message size: %zd\n", len); + } + return len; + } +} + +int ustcomm_send_app_cmd(int sock, + struct ustcomm_ust_msg *lum, + struct ustcomm_ust_reply *lur) +{ + int ret; + + ret = ustcomm_send_app_msg(sock, lum); + if (ret) + return ret; + ret = ustcomm_recv_app_reply(sock, lur, lum->handle, lum->cmd); + if (ret > 0) + return -EIO; + return ret; +} + +/* + * chan_data is allocated internally if this function returns the + * expected var_len. + */ +ssize_t ustcomm_recv_channel_from_sessiond(int sock, + void **_chan_data, uint64_t var_len, + int *_wakeup_fd) +{ + void *chan_data; + ssize_t len, nr_fd; + int wakeup_fd; + + if (var_len > LTTNG_UST_CHANNEL_DATA_MAX_LEN) { + len = -EINVAL; + goto error_check; + } + /* Receive variable length data */ + chan_data = zmalloc(var_len); + if (!chan_data) { + len = -ENOMEM; + goto error_alloc; + } + len = ustcomm_recv_unix_sock(sock, chan_data, var_len); + if (len != var_len) { + goto error_recv; + } + /* recv wakeup fd */ + nr_fd = ustcomm_recv_fds_unix_sock(sock, &wakeup_fd, 1); + if (nr_fd <= 0) { + if (nr_fd < 0) { + len = nr_fd; + goto error_recv; + } else { + len = -EIO; + goto error_recv; + } + } + *_wakeup_fd = wakeup_fd; + *_chan_data = chan_data; + return len; + +error_recv: + free(chan_data); +error_alloc: +error_check: + return len; +} + +int ustcomm_recv_stream_from_sessiond(int sock, + uint64_t *memory_map_size, + int *shm_fd, int *wakeup_fd) +{ + ssize_t len; + int ret; + int fds[2]; + + /* recv shm fd and wakeup fd */ + len = ustcomm_recv_fds_unix_sock(sock, fds, 2); + if (len <= 0) { + if (len < 0) { + ret = len; + goto error; + } else { + ret = -EIO; + goto error; + } + } + *shm_fd = fds[0]; + *wakeup_fd = fds[1]; + return 0; + +error: + return ret; +} + +/* + * Returns 0 on success, negative error value on error. + */ +int ustcomm_send_reg_msg(int sock, + enum ustctl_socket_type type, + uint32_t bits_per_long, + uint32_t uint8_t_alignment, + uint32_t uint16_t_alignment, + uint32_t uint32_t_alignment, + uint32_t uint64_t_alignment, + uint32_t long_alignment) +{ + ssize_t len; + struct ustctl_reg_msg reg_msg; + + reg_msg.magic = LTTNG_UST_COMM_MAGIC; + reg_msg.major = LTTNG_UST_ABI_MAJOR_VERSION; + reg_msg.minor = LTTNG_UST_ABI_MINOR_VERSION; + reg_msg.pid = getpid(); + reg_msg.ppid = getppid(); + reg_msg.uid = getuid(); + reg_msg.gid = getgid(); + reg_msg.bits_per_long = bits_per_long; + reg_msg.uint8_t_alignment = uint8_t_alignment; + reg_msg.uint16_t_alignment = uint16_t_alignment; + reg_msg.uint32_t_alignment = uint32_t_alignment; + reg_msg.uint64_t_alignment = uint64_t_alignment; + reg_msg.long_alignment = long_alignment; + reg_msg.socket_type = type; + lttng_ust_getprocname(reg_msg.name); + memset(reg_msg.padding, 0, sizeof(reg_msg.padding)); + + len = ustcomm_send_unix_sock(sock, ®_msg, sizeof(reg_msg)); + if (len > 0 && len != sizeof(reg_msg)) + return -EIO; + if (len < 0) + return len; + return 0; +} + +static +ssize_t count_one_type(const struct lttng_type *lt) +{ + switch (lt->atype) { + case atype_integer: + case atype_float: + case atype_string: + case atype_enum: + case atype_array: + case atype_sequence: + return 1; + case atype_struct: + //TODO: implement non-empty struct. + return 1; + case atype_dynamic: + { + const struct lttng_event_field *choices; + size_t nr_choices; + int ret; + + ret = lttng_ust_dynamic_type_choices(&nr_choices, + &choices); + if (ret) + return ret; + /* + * One field for enum, one field for variant, and + * one field per choice. + */ + return count_fields_recursive(nr_choices, choices) + 2; + } + default: + return -EINVAL; + } + return 0; +} + +static +ssize_t count_fields_recursive(size_t nr_fields, + const struct lttng_event_field *lttng_fields) +{ + int i; + ssize_t ret, count = 0; + + for (i = 0; i < nr_fields; i++) { + const struct lttng_event_field *lf; + + lf = <tng_fields[i]; + /* skip 'nowrite' fields */ + if (lf->nowrite) + continue; + ret = count_one_type(&lf->type); + if (ret < 0) + return ret; /* error */ + count += ret; + } + return count; +} + +static +ssize_t count_ctx_fields_recursive(size_t nr_fields, + const struct lttng_ctx_field *lttng_fields) +{ + int i; + ssize_t ret, count = 0; + + for (i = 0; i < nr_fields; i++) { + const struct lttng_event_field *lf; + + lf = <tng_fields[i].event_field; + /* skip 'nowrite' fields */ + if (lf->nowrite) + continue; + ret = count_one_type(&lf->type); + if (ret < 0) + return ret; /* error */ + count += ret; + } + return count; +} + +static +int serialize_string_encoding(enum ustctl_string_encodings *ue, + enum lttng_string_encodings le) +{ + switch (le) { + case lttng_encode_none: + *ue = ustctl_encode_none; + break; + case lttng_encode_UTF8: + *ue = ustctl_encode_UTF8; + break; + case lttng_encode_ASCII: + *ue = ustctl_encode_ASCII; + break; + default: + return -EINVAL; + } + return 0; +} + +static +int serialize_integer_type(struct ustctl_integer_type *uit, + const struct lttng_integer_type *lit) +{ + uit->size = lit->size; + uit->signedness = lit->signedness; + uit->reverse_byte_order = lit->reverse_byte_order; + uit->base = lit->base; + if (serialize_string_encoding(&uit->encoding, lit->encoding)) + return -EINVAL; + uit->alignment = lit->alignment; + return 0; +} + +static +int serialize_basic_type(struct lttng_session *session, + enum ustctl_abstract_types *uatype, + enum lttng_abstract_types atype, + union _ustctl_basic_type *ubt, + const union _lttng_basic_type *lbt) +{ + switch (atype) { + case atype_integer: + { + if (serialize_integer_type(&ubt->integer, &lbt->integer)) + return -EINVAL; + *uatype = ustctl_atype_integer; + break; + } + case atype_string: + { + if (serialize_string_encoding(&ubt->string.encoding, + lbt->string.encoding)) + return -EINVAL; + *uatype = ustctl_atype_string; + break; + } + case atype_float: + { + struct ustctl_float_type *uft; + const struct lttng_float_type *lft; + + uft = &ubt->_float; + lft = &lbt->_float; + uft->exp_dig = lft->exp_dig; + uft->mant_dig = lft->mant_dig; + uft->alignment = lft->alignment; + uft->reverse_byte_order = lft->reverse_byte_order; + *uatype = ustctl_atype_float; + break; + } + case atype_enum: + { + strncpy(ubt->enumeration.name, lbt->enumeration.desc->name, + LTTNG_UST_SYM_NAME_LEN); + ubt->enumeration.name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + if (serialize_integer_type(&ubt->enumeration.container_type, + &lbt->enumeration.container_type)) + return -EINVAL; + if (session) { + const struct lttng_enum *_enum; + + _enum = lttng_ust_enum_get(session, + lbt->enumeration.desc->name); + if (!_enum) + return -EINVAL; + ubt->enumeration.id = _enum->id; + } else { + ubt->enumeration.id = -1ULL; + } + *uatype = ustctl_atype_enum; + break; + } + case atype_array: + case atype_sequence: + default: + return -EINVAL; + } + return 0; +} + +static +int serialize_dynamic_type(struct lttng_session *session, + struct ustctl_field *fields, size_t *iter_output, + const struct lttng_event_field *lf) +{ + const struct lttng_event_field *choices; + char tag_field_name[LTTNG_UST_SYM_NAME_LEN]; + const struct lttng_type *tag_type; + const struct lttng_event_field *tag_field_generic; + struct lttng_event_field tag_field = { + .name = tag_field_name, + .nowrite = 0, + }; + struct ustctl_field *uf; + size_t nr_choices, i; + int ret; + + tag_field_generic = lttng_ust_dynamic_type_tag_field(); + tag_type = &tag_field_generic->type; + + /* Serialize enum field. */ + strncpy(tag_field_name, lf->name, LTTNG_UST_SYM_NAME_LEN); + tag_field_name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + strncat(tag_field_name, + "_tag", + LTTNG_UST_SYM_NAME_LEN - strlen(tag_field_name) - 1); + tag_field.type = *tag_type; + ret = serialize_one_field(session, fields, iter_output, + &tag_field); + if (ret) + return ret; + + /* Serialize variant field. */ + uf = &fields[*iter_output]; + ret = lttng_ust_dynamic_type_choices(&nr_choices, &choices); + if (ret) + return ret; + + strncpy(uf->name, lf->name, LTTNG_UST_SYM_NAME_LEN); + uf->name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + uf->type.atype = ustctl_atype_variant; + uf->type.u.variant.nr_choices = nr_choices; + strncpy(uf->type.u.variant.tag_name, + tag_field_name, + LTTNG_UST_SYM_NAME_LEN); + uf->type.u.variant.tag_name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + (*iter_output)++; + + /* Serialize choice fields after variant. */ + for (i = 0; i < nr_choices; i++) { + ret = serialize_one_field(session, fields, + iter_output, &choices[i]); + if (ret) + return ret; + } + return 0; +} + +static +int serialize_one_field(struct lttng_session *session, + struct ustctl_field *fields, size_t *iter_output, + const struct lttng_event_field *lf) +{ + const struct lttng_type *lt = &lf->type; + int ret; + + /* skip 'nowrite' fields */ + if (lf->nowrite) + return 0; + + switch (lt->atype) { + case atype_integer: + case atype_float: + case atype_string: + case atype_enum: + { + struct ustctl_field *uf = &fields[*iter_output]; + struct ustctl_type *ut = &uf->type; + + strncpy(uf->name, lf->name, LTTNG_UST_SYM_NAME_LEN); + uf->name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + ret = serialize_basic_type(session, &ut->atype, lt->atype, + &ut->u.basic, <->u.basic); + if (ret) + return ret; + (*iter_output)++; + break; + } + case atype_array: + { + struct ustctl_field *uf = &fields[*iter_output]; + struct ustctl_type *ut = &uf->type; + struct ustctl_basic_type *ubt; + const struct lttng_basic_type *lbt; + + strncpy(uf->name, lf->name, LTTNG_UST_SYM_NAME_LEN); + uf->name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + uf->type.atype = ustctl_atype_array; + ubt = &ut->u.array.elem_type; + lbt = <->u.array.elem_type; + ut->u.array.length = lt->u.array.length; + ret = serialize_basic_type(session, &ubt->atype, lbt->atype, + &ubt->u.basic, &lbt->u.basic); + if (ret) + return -EINVAL; + ut->atype = ustctl_atype_array; + (*iter_output)++; + break; + } + case atype_sequence: + { + struct ustctl_field *uf = &fields[*iter_output]; + struct ustctl_type *ut = &uf->type; + struct ustctl_basic_type *ubt; + const struct lttng_basic_type *lbt; + int ret; + + strncpy(uf->name, lf->name, LTTNG_UST_SYM_NAME_LEN); + uf->name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + uf->type.atype = ustctl_atype_sequence; + ubt = &ut->u.sequence.length_type; + lbt = <->u.sequence.length_type; + ret = serialize_basic_type(session, &ubt->atype, lbt->atype, + &ubt->u.basic, &lbt->u.basic); + if (ret) + return -EINVAL; + ubt = &ut->u.sequence.elem_type; + lbt = <->u.sequence.elem_type; + ret = serialize_basic_type(session, &ubt->atype, lbt->atype, + &ubt->u.basic, &lbt->u.basic); + if (ret) + return -EINVAL; + ut->atype = ustctl_atype_sequence; + (*iter_output)++; + break; + } + case atype_dynamic: + { + ret = serialize_dynamic_type(session, fields, iter_output, lf); + if (ret) + return -EINVAL; + break; + } + case atype_struct: + { + struct ustctl_field *uf = &fields[*iter_output]; + + /* + * TODO: add support for non-empty struct. + */ + if (lf->type.u._struct.nr_fields != 0) { + return -EINVAL; + } + strncpy(uf->name, lf->name, LTTNG_UST_SYM_NAME_LEN); + uf->name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + uf->type.atype = ustctl_atype_struct; + uf->type.u._struct.nr_fields = 0; + (*iter_output)++; + break; + } + default: + return -EINVAL; + } + return 0; +} + +static +int serialize_fields(struct lttng_session *session, + size_t *_nr_write_fields, + struct ustctl_field **ustctl_fields, + size_t nr_fields, + const struct lttng_event_field *lttng_fields) +{ + struct ustctl_field *fields; + int ret; + size_t i, iter_output = 0; + ssize_t nr_write_fields; + + nr_write_fields = count_fields_recursive(nr_fields, lttng_fields); + if (nr_write_fields < 0) { + return (int) nr_write_fields; + } + + fields = zmalloc(nr_write_fields * sizeof(*fields)); + if (!fields) + return -ENOMEM; + + for (i = 0; i < nr_fields; i++) { + ret = serialize_one_field(session, fields, &iter_output, + <tng_fields[i]); + if (ret) + goto error_type; + } + + *_nr_write_fields = nr_write_fields; + *ustctl_fields = fields; + return 0; + +error_type: + free(fields); + return ret; +} + +static +int serialize_entries(struct ustctl_enum_entry **_entries, + size_t nr_entries, + const struct lttng_enum_entry *lttng_entries) +{ + struct ustctl_enum_entry *entries; + int i; + + /* Serialize the entries */ + entries = zmalloc(nr_entries * sizeof(*entries)); + if (!entries) + return -ENOMEM; + for (i = 0; i < nr_entries; i++) { + struct ustctl_enum_entry *uentry; + const struct lttng_enum_entry *lentry; + + uentry = &entries[i]; + lentry = <tng_entries[i]; + + uentry->start.value = lentry->start.value; + uentry->start.signedness = lentry->start.signedness; + uentry->end.value = lentry->end.value; + uentry->end.signedness = lentry->end.signedness; + strncpy(uentry->string, lentry->string, LTTNG_UST_SYM_NAME_LEN); + uentry->string[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + } + *_entries = entries; + return 0; +} + +static +int serialize_ctx_fields(struct lttng_session *session, + size_t *_nr_write_fields, + struct ustctl_field **ustctl_fields, + size_t nr_fields, + const struct lttng_ctx_field *lttng_fields) +{ + struct ustctl_field *fields; + int ret; + size_t i, iter_output = 0; + ssize_t nr_write_fields; + + nr_write_fields = count_ctx_fields_recursive(nr_fields, + lttng_fields); + if (nr_write_fields < 0) { + return (int) nr_write_fields; + } + + fields = zmalloc(nr_write_fields * sizeof(*fields)); + if (!fields) + return -ENOMEM; + + for (i = 0; i < nr_fields; i++) { + ret = serialize_one_field(session, fields, &iter_output, + <tng_fields[i].event_field); + if (ret) + goto error_type; + } + + *_nr_write_fields = nr_write_fields; + *ustctl_fields = fields; + return 0; + +error_type: + free(fields); + return ret; +} + +/* + * Returns 0 on success, negative error value on error. + */ +int ustcomm_register_event(int sock, + struct lttng_session *session, + int session_objd, /* session descriptor */ + int channel_objd, /* channel descriptor */ + const char *event_name, /* event name (input) */ + int loglevel, + const char *signature, /* event signature (input) */ + size_t nr_fields, /* fields */ + const struct lttng_event_field *lttng_fields, + const char *model_emf_uri, + uint32_t *id) /* event id (output) */ +{ + ssize_t len; + struct { + struct ustcomm_notify_hdr header; + struct ustcomm_notify_event_msg m; + } msg; + struct { + struct ustcomm_notify_hdr header; + struct ustcomm_notify_event_reply r; + } reply; + size_t signature_len, fields_len, model_emf_uri_len; + struct ustctl_field *fields = NULL; + size_t nr_write_fields = 0; + int ret; + + memset(&msg, 0, sizeof(msg)); + msg.header.notify_cmd = USTCTL_NOTIFY_CMD_EVENT; + msg.m.session_objd = session_objd; + msg.m.channel_objd = channel_objd; + strncpy(msg.m.event_name, event_name, LTTNG_UST_SYM_NAME_LEN); + msg.m.event_name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + msg.m.loglevel = loglevel; + signature_len = strlen(signature) + 1; + msg.m.signature_len = signature_len; + + /* Calculate fields len, serialize fields. */ + if (nr_fields > 0) { + ret = serialize_fields(session, &nr_write_fields, &fields, + nr_fields, lttng_fields); + if (ret) + return ret; + } + + fields_len = sizeof(*fields) * nr_write_fields; + msg.m.fields_len = fields_len; + if (model_emf_uri) { + model_emf_uri_len = strlen(model_emf_uri) + 1; + } else { + model_emf_uri_len = 0; + } + msg.m.model_emf_uri_len = model_emf_uri_len; + + len = ustcomm_send_unix_sock(sock, &msg, sizeof(msg)); + if (len > 0 && len != sizeof(msg)) { + ret = -EIO; + goto error_fields; + } + if (len < 0) { + ret = len; + goto error_fields; + } + + /* send signature */ + len = ustcomm_send_unix_sock(sock, signature, signature_len); + if (len > 0 && len != signature_len) { + ret = -EIO; + goto error_fields; + } + if (len < 0) { + ret = len; + goto error_fields; + } + + /* send fields */ + if (fields_len > 0) { + len = ustcomm_send_unix_sock(sock, fields, fields_len); + if (len > 0 && len != fields_len) { + ret = -EIO; + goto error_fields; + } + if (len < 0) { + ret = len; + goto error_fields; + } + } + free(fields); + + if (model_emf_uri_len) { + /* send model_emf_uri */ + len = ustcomm_send_unix_sock(sock, model_emf_uri, + model_emf_uri_len); + if (len > 0 && len != model_emf_uri_len) { + return -EIO; + } + if (len < 0) { + return len; + } + } + + /* receive reply */ + len = ustcomm_recv_unix_sock(sock, &reply, sizeof(reply)); + switch (len) { + case 0: /* orderly shutdown */ + return -EPIPE; + case sizeof(reply): + if (reply.header.notify_cmd != msg.header.notify_cmd) { + ERR("Unexpected result message command " + "expected: %u vs received: %u\n", + msg.header.notify_cmd, reply.header.notify_cmd); + return -EINVAL; + } + if (reply.r.ret_code > 0) + return -EINVAL; + if (reply.r.ret_code < 0) + return reply.r.ret_code; + *id = reply.r.event_id; + DBG("Sent register event notification for name \"%s\": ret_code %d, event_id %u\n", + event_name, reply.r.ret_code, reply.r.event_id); + return 0; + default: + if (len < 0) { + /* Transport level error */ + if (errno == EPIPE || errno == ECONNRESET) + len = -errno; + return len; + } else { + ERR("incorrect message size: %zd\n", len); + return len; + } + } + /* Unreached. */ + + /* Error path only. */ +error_fields: + free(fields); + return ret; +} + +/* + * Returns 0 on success, negative error value on error. + * Returns -EPIPE or -ECONNRESET if other end has hung up. + */ +int ustcomm_register_enum(int sock, + int session_objd, /* session descriptor */ + const char *enum_name, /* enum name (input) */ + size_t nr_entries, /* entries */ + const struct lttng_enum_entry *lttng_entries, + uint64_t *id) +{ + ssize_t len; + struct { + struct ustcomm_notify_hdr header; + struct ustcomm_notify_enum_msg m; + } msg; + struct { + struct ustcomm_notify_hdr header; + struct ustcomm_notify_enum_reply r; + } reply; + size_t entries_len; + struct ustctl_enum_entry *entries = NULL; + int ret; + + memset(&msg, 0, sizeof(msg)); + msg.header.notify_cmd = USTCTL_NOTIFY_CMD_ENUM; + msg.m.session_objd = session_objd; + strncpy(msg.m.enum_name, enum_name, LTTNG_UST_SYM_NAME_LEN); + msg.m.enum_name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + + /* Calculate entries len, serialize entries. */ + if (nr_entries > 0) { + ret = serialize_entries(&entries, + nr_entries, lttng_entries); + if (ret) + return ret; + } + + entries_len = sizeof(*entries) * nr_entries; + msg.m.entries_len = entries_len; + + len = ustcomm_send_unix_sock(sock, &msg, sizeof(msg)); + if (len > 0 && len != sizeof(msg)) { + ret = -EIO; + goto error_entries; + } + if (len < 0) { + ret = len; + goto error_entries; + } + + /* send entries */ + if (entries_len > 0) { + len = ustcomm_send_unix_sock(sock, entries, entries_len); + if (len > 0 && len != entries_len) { + ret = -EIO; + goto error_entries; + } + if (len < 0) { + ret = len; + goto error_entries; + } + } + free(entries); + entries = NULL; + + /* receive reply */ + len = ustcomm_recv_unix_sock(sock, &reply, sizeof(reply)); + switch (len) { + case 0: /* orderly shutdown */ + return -EPIPE; + case sizeof(reply): + if (reply.header.notify_cmd != msg.header.notify_cmd) { + ERR("Unexpected result message command " + "expected: %u vs received: %u\n", + msg.header.notify_cmd, reply.header.notify_cmd); + return -EINVAL; + } + if (reply.r.ret_code > 0) + return -EINVAL; + if (reply.r.ret_code < 0) + return reply.r.ret_code; + *id = reply.r.enum_id; + DBG("Sent register enum notification for name \"%s\": ret_code %d\n", + enum_name, reply.r.ret_code); + return 0; + default: + if (len < 0) { + /* Transport level error */ + if (errno == EPIPE || errno == ECONNRESET) + len = -errno; + return len; + } else { + ERR("incorrect message size: %zd\n", len); + return len; + } + } + return ret; + +error_entries: + free(entries); + return ret; +} + +/* + * Returns 0 on success, negative error value on error. + * Returns -EPIPE or -ECONNRESET if other end has hung up. + */ +int ustcomm_register_channel(int sock, + struct lttng_session *session, + int session_objd, /* session descriptor */ + int channel_objd, /* channel descriptor */ + size_t nr_ctx_fields, + const struct lttng_ctx_field *ctx_fields, + uint32_t *chan_id, /* channel id (output) */ + int *header_type) /* header type (output) */ +{ + ssize_t len; + struct { + struct ustcomm_notify_hdr header; + struct ustcomm_notify_channel_msg m; + } msg; + struct { + struct ustcomm_notify_hdr header; + struct ustcomm_notify_channel_reply r; + } reply; + size_t fields_len; + struct ustctl_field *fields = NULL; + int ret; + size_t nr_write_fields = 0; + + memset(&msg, 0, sizeof(msg)); + msg.header.notify_cmd = USTCTL_NOTIFY_CMD_CHANNEL; + msg.m.session_objd = session_objd; + msg.m.channel_objd = channel_objd; + + /* Calculate fields len, serialize fields. */ + if (nr_ctx_fields > 0) { + ret = serialize_ctx_fields(session, &nr_write_fields, &fields, + nr_ctx_fields, ctx_fields); + if (ret) + return ret; + } + + fields_len = sizeof(*fields) * nr_write_fields; + msg.m.ctx_fields_len = fields_len; + len = ustcomm_send_unix_sock(sock, &msg, sizeof(msg)); + if (len > 0 && len != sizeof(msg)) { + free(fields); + return -EIO; + } + if (len < 0) { + free(fields); + return len; + } + + /* send fields */ + if (fields_len > 0) { + len = ustcomm_send_unix_sock(sock, fields, fields_len); + free(fields); + if (len > 0 && len != fields_len) { + return -EIO; + } + if (len < 0) { + return len; + } + } else { + free(fields); + } + + len = ustcomm_recv_unix_sock(sock, &reply, sizeof(reply)); + switch (len) { + case 0: /* orderly shutdown */ + return -EPIPE; + case sizeof(reply): + if (reply.header.notify_cmd != msg.header.notify_cmd) { + ERR("Unexpected result message command " + "expected: %u vs received: %u\n", + msg.header.notify_cmd, reply.header.notify_cmd); + return -EINVAL; + } + if (reply.r.ret_code > 0) + return -EINVAL; + if (reply.r.ret_code < 0) + return reply.r.ret_code; + *chan_id = reply.r.chan_id; + switch (reply.r.header_type) { + case 1: + case 2: + *header_type = reply.r.header_type; + break; + default: + ERR("Unexpected channel header type %u\n", + reply.r.header_type); + return -EINVAL; + } + DBG("Sent register channel notification: chan_id %d, header_type %d\n", + reply.r.chan_id, reply.r.header_type); + return 0; + default: + if (len < 0) { + /* Transport level error */ + if (errno == EPIPE || errno == ECONNRESET) + len = -errno; + return len; + } else { + ERR("incorrect message size: %zd\n", len); + return len; + } + } +} + +/* + * Set socket reciving timeout. + */ +int ustcomm_setsockopt_rcv_timeout(int sock, unsigned int msec) +{ + int ret; + struct timeval tv; + + tv.tv_sec = msec / 1000; + tv.tv_usec = (msec * 1000 % 1000000); + + ret = setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)); + if (ret < 0) { + PERROR("setsockopt SO_RCVTIMEO"); + ret = -errno; + } + + return ret; +} + +/* + * Set socket sending timeout. + */ +int ustcomm_setsockopt_snd_timeout(int sock, unsigned int msec) +{ + int ret; + struct timeval tv; + + tv.tv_sec = msec / 1000; + tv.tv_usec = (msec * 1000) % 1000000; + + ret = setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv)); + if (ret < 0) { + PERROR("setsockopt SO_SNDTIMEO"); + ret = -errno; + } + + return ret; +} diff --git a/liblttng-ust-ctl/Makefile.am b/liblttng-ust-ctl/Makefile.am new file mode 100644 index 0000000..e10ba8b --- /dev/null +++ b/liblttng-ust-ctl/Makefile.am @@ -0,0 +1,14 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/liblttng-ust-comm -I$(top_builddir)/include +AM_CFLAGS = -fno-strict-aliasing + +lib_LTLIBRARIES = liblttng-ust-ctl.la + +liblttng_ust_ctl_la_SOURCES = ustctl.c ust-ctl-private.h +liblttng_ust_ctl_la_LDFLAGS = \ + -version-info $(LTTNG_UST_CTL_LIBRARY_VERSION) + +liblttng_ust_ctl_la_LIBADD = \ + $(top_builddir)/liblttng-ust-comm/liblttng-ust-comm.la \ + $(top_builddir)/liblttng-ust/liblttng-ust-support.la \ + $(top_builddir)/snprintf/libustsnprintf.la \ + -ldl diff --git a/liblttng-ust-ctl/Makefile.in b/liblttng-ust-ctl/Makefile.in new file mode 100644 index 0000000..bdc69b0 --- /dev/null +++ b/liblttng-ust-ctl/Makefile.in @@ -0,0 +1,697 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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uninstall-am uninstall-libLTLIBRARIES + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/liblttng-ust-ctl/ust-ctl-private.h b/liblttng-ust-ctl/ust-ctl-private.h new file mode 100644 index 0000000..0f2e0bb --- /dev/null +++ b/liblttng-ust-ctl/ust-ctl-private.h @@ -0,0 +1,38 @@ +/* + * Copyright (C) 2011 - Julien Desfossez + * Copyright (C) 2011-2013 - Mathieu Desnoyers + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License only. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef _LTTNG_UST_CTL_PRIVATE_H +#define _LTTNG_UST_CTL_PRIVATE_H + +#include + +/* + * Map channel lttng_ust_shm_handle and add streams. Typically performed + * by the application to map the objects into its memory space. + */ +struct lttng_ust_shm_handle * + ustctl_map_channel(struct lttng_ust_object_data *chan_data); +int ustctl_add_stream(struct lttng_ust_shm_handle *lttng_ust_shm_handle, + struct lttng_ust_object_data *stream_data); +/* + * Note: the lttng_ust_object_data from which the lttng_ust_shm_handle + * is derived can only be released after unmapping the handle. + */ +void ustctl_unmap_channel(struct lttng_ust_shm_handle *lttng_ust_shm_handle); + +#endif /* _LTTNG_UST_CTL_PRIVATE_H */ diff --git a/liblttng-ust-ctl/ustctl.c b/liblttng-ust-ctl/ustctl.c new file mode 100644 index 0000000..0165786 --- /dev/null +++ b/liblttng-ust-ctl/ustctl.c @@ -0,0 +1,2207 @@ +/* + * Copyright (C) 2011 - Julien Desfossez + * Copyright (C) 2011-2013 - Mathieu Desnoyers + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License only. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "../libringbuffer/backend.h" +#include "../libringbuffer/frontend.h" +#include "../liblttng-ust/wait.h" +#include "../liblttng-ust/lttng-rb-clients.h" +#include "../liblttng-ust/clock.h" + +/* + * Number of milliseconds to retry before failing metadata writes on + * buffer full condition. (10 seconds) + */ +#define LTTNG_METADATA_TIMEOUT_MSEC 10000 + +/* + * Channel representation within consumer. + */ +struct ustctl_consumer_channel { + struct lttng_channel *chan; /* lttng channel buffers */ + + /* initial attributes */ + struct ustctl_consumer_channel_attr attr; + int wait_fd; /* monitor close() */ + int wakeup_fd; /* monitor close() */ +}; + +/* + * Stream representation within consumer. + */ +struct ustctl_consumer_stream { + struct lttng_ust_shm_handle *handle; /* shared-memory handle */ + struct lttng_ust_lib_ring_buffer *buf; + struct ustctl_consumer_channel *chan; + int shm_fd, wait_fd, wakeup_fd; + int cpu; + uint64_t memory_map_size; +}; + +extern void lttng_ring_buffer_client_overwrite_init(void); +extern void lttng_ring_buffer_client_overwrite_rt_init(void); +extern void lttng_ring_buffer_client_discard_init(void); +extern void lttng_ring_buffer_client_discard_rt_init(void); +extern void lttng_ring_buffer_metadata_client_init(void); +extern void lttng_ring_buffer_client_overwrite_exit(void); +extern void lttng_ring_buffer_client_overwrite_rt_exit(void); +extern void lttng_ring_buffer_client_discard_exit(void); +extern void lttng_ring_buffer_client_discard_rt_exit(void); +extern void lttng_ring_buffer_metadata_client_exit(void); + +volatile enum ust_loglevel ust_loglevel; + +int ustctl_release_handle(int sock, int handle) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + + if (sock < 0 || handle < 0) + return 0; + memset(&lum, 0, sizeof(lum)); + lum.handle = handle; + lum.cmd = LTTNG_UST_RELEASE; + return ustcomm_send_app_cmd(sock, &lum, &lur); +} + +/* + * If sock is negative, it means we don't have to notify the other side + * (e.g. application has already vanished). + */ +int ustctl_release_object(int sock, struct lttng_ust_object_data *data) +{ + int ret; + + if (!data) + return -EINVAL; + + switch (data->type) { + case LTTNG_UST_OBJECT_TYPE_CHANNEL: + if (data->u.channel.wakeup_fd >= 0) { + ret = close(data->u.channel.wakeup_fd); + if (ret < 0) { + ret = -errno; + return ret; + } + } + free(data->u.channel.data); + break; + case LTTNG_UST_OBJECT_TYPE_STREAM: + if (data->u.stream.shm_fd >= 0) { + ret = close(data->u.stream.shm_fd); + if (ret < 0) { + ret = -errno; + return ret; + } + } + if (data->u.stream.wakeup_fd >= 0) { + ret = close(data->u.stream.wakeup_fd); + if (ret < 0) { + ret = -errno; + return ret; + } + } + break; + case LTTNG_UST_OBJECT_TYPE_EVENT: + case LTTNG_UST_OBJECT_TYPE_CONTEXT: + break; + default: + assert(0); + } + return ustctl_release_handle(sock, data->handle); +} + +/* + * Send registration done packet to the application. + */ +int ustctl_register_done(int sock) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret; + + DBG("Sending register done command to %d", sock); + memset(&lum, 0, sizeof(lum)); + lum.handle = LTTNG_UST_ROOT_HANDLE; + lum.cmd = LTTNG_UST_REGISTER_DONE; + ret = ustcomm_send_app_cmd(sock, &lum, &lur); + if (ret) + return ret; + return 0; +} + +/* + * returns session handle. + */ +int ustctl_create_session(int sock) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret, session_handle; + + /* Create session */ + memset(&lum, 0, sizeof(lum)); + lum.handle = LTTNG_UST_ROOT_HANDLE; + lum.cmd = LTTNG_UST_SESSION; + ret = ustcomm_send_app_cmd(sock, &lum, &lur); + if (ret) + return ret; + session_handle = lur.ret_val; + DBG("received session handle %u", session_handle); + return session_handle; +} + +int ustctl_create_event(int sock, struct lttng_ust_event *ev, + struct lttng_ust_object_data *channel_data, + struct lttng_ust_object_data **_event_data) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + struct lttng_ust_object_data *event_data; + int ret; + + if (!channel_data || !_event_data) + return -EINVAL; + + event_data = zmalloc(sizeof(*event_data)); + if (!event_data) + return -ENOMEM; + event_data->type = LTTNG_UST_OBJECT_TYPE_EVENT; + memset(&lum, 0, sizeof(lum)); + lum.handle = channel_data->handle; + lum.cmd = LTTNG_UST_EVENT; + strncpy(lum.u.event.name, ev->name, + LTTNG_UST_SYM_NAME_LEN); + lum.u.event.instrumentation = ev->instrumentation; + lum.u.event.loglevel_type = ev->loglevel_type; + lum.u.event.loglevel = ev->loglevel; + ret = ustcomm_send_app_cmd(sock, &lum, &lur); + if (ret) { + free(event_data); + return ret; + } + event_data->handle = lur.ret_val; + DBG("received event handle %u", event_data->handle); + *_event_data = event_data; + return 0; +} + +int ustctl_add_context(int sock, struct lttng_ust_context_attr *ctx, + struct lttng_ust_object_data *obj_data, + struct lttng_ust_object_data **_context_data) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + struct lttng_ust_object_data *context_data = NULL; + char *buf = NULL; + size_t len; + int ret; + + if (!obj_data || !_context_data) { + ret = -EINVAL; + goto end; + } + + context_data = zmalloc(sizeof(*context_data)); + if (!context_data) { + ret = -ENOMEM; + goto end; + } + context_data->type = LTTNG_UST_OBJECT_TYPE_CONTEXT; + memset(&lum, 0, sizeof(lum)); + lum.handle = obj_data->handle; + lum.cmd = LTTNG_UST_CONTEXT; + + lum.u.context.ctx = ctx->ctx; + switch (ctx->ctx) { + case LTTNG_UST_CONTEXT_PERF_THREAD_COUNTER: + lum.u.context.u.perf_counter = ctx->u.perf_counter; + break; + case LTTNG_UST_CONTEXT_APP_CONTEXT: + { + size_t provider_name_len = strlen( + ctx->u.app_ctx.provider_name) + 1; + size_t ctx_name_len = strlen(ctx->u.app_ctx.ctx_name) + 1; + + lum.u.context.u.app_ctx.provider_name_len = provider_name_len; + lum.u.context.u.app_ctx.ctx_name_len = ctx_name_len; + + len = provider_name_len + ctx_name_len; + buf = zmalloc(len); + if (!buf) { + ret = -ENOMEM; + goto end; + } + memcpy(buf, ctx->u.app_ctx.provider_name, + provider_name_len); + memcpy(buf + provider_name_len, ctx->u.app_ctx.ctx_name, + ctx_name_len); + break; + } + default: + break; + } + ret = ustcomm_send_app_msg(sock, &lum); + if (ret) + goto end; + if (buf) { + /* send var len ctx_name */ + ret = ustcomm_send_unix_sock(sock, buf, len); + if (ret < 0) { + goto end; + } + if (ret != len) { + ret = -EINVAL; + goto end; + } + } + ret = ustcomm_recv_app_reply(sock, &lur, lum.handle, lum.cmd); + if (ret < 0) { + goto end; + } + context_data->handle = -1; + DBG("Context created successfully"); + *_context_data = context_data; + context_data = NULL; +end: + free(context_data); + free(buf); + return ret; +} + +int ustctl_set_filter(int sock, struct lttng_ust_filter_bytecode *bytecode, + struct lttng_ust_object_data *obj_data) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret; + + if (!obj_data) + return -EINVAL; + + memset(&lum, 0, sizeof(lum)); + lum.handle = obj_data->handle; + lum.cmd = LTTNG_UST_FILTER; + lum.u.filter.data_size = bytecode->len; + lum.u.filter.reloc_offset = bytecode->reloc_offset; + lum.u.filter.seqnum = bytecode->seqnum; + + ret = ustcomm_send_app_msg(sock, &lum); + if (ret) + return ret; + /* send var len bytecode */ + ret = ustcomm_send_unix_sock(sock, bytecode->data, + bytecode->len); + if (ret < 0) { + return ret; + } + if (ret != bytecode->len) + return -EINVAL; + return ustcomm_recv_app_reply(sock, &lur, lum.handle, lum.cmd); +} + +int ustctl_set_exclusion(int sock, struct lttng_ust_event_exclusion *exclusion, + struct lttng_ust_object_data *obj_data) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret; + + if (!obj_data) { + return -EINVAL; + } + + memset(&lum, 0, sizeof(lum)); + lum.handle = obj_data->handle; + lum.cmd = LTTNG_UST_EXCLUSION; + lum.u.exclusion.count = exclusion->count; + + ret = ustcomm_send_app_msg(sock, &lum); + if (ret) { + return ret; + } + + /* send var len exclusion names */ + ret = ustcomm_send_unix_sock(sock, + exclusion->names, + exclusion->count * LTTNG_UST_SYM_NAME_LEN); + if (ret < 0) { + return ret; + } + if (ret != exclusion->count * LTTNG_UST_SYM_NAME_LEN) { + return -EINVAL; + } + return ustcomm_recv_app_reply(sock, &lur, lum.handle, lum.cmd); +} + +/* Enable event, channel and session ioctl */ +int ustctl_enable(int sock, struct lttng_ust_object_data *object) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret; + + if (!object) + return -EINVAL; + + memset(&lum, 0, sizeof(lum)); + lum.handle = object->handle; + lum.cmd = LTTNG_UST_ENABLE; + ret = ustcomm_send_app_cmd(sock, &lum, &lur); + if (ret) + return ret; + DBG("enabled handle %u", object->handle); + return 0; +} + +/* Disable event, channel and session ioctl */ +int ustctl_disable(int sock, struct lttng_ust_object_data *object) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret; + + if (!object) + return -EINVAL; + + memset(&lum, 0, sizeof(lum)); + lum.handle = object->handle; + lum.cmd = LTTNG_UST_DISABLE; + ret = ustcomm_send_app_cmd(sock, &lum, &lur); + if (ret) + return ret; + DBG("disable handle %u", object->handle); + return 0; +} + +int ustctl_start_session(int sock, int handle) +{ + struct lttng_ust_object_data obj; + + obj.handle = handle; + return ustctl_enable(sock, &obj); +} + +int ustctl_stop_session(int sock, int handle) +{ + struct lttng_ust_object_data obj; + + obj.handle = handle; + return ustctl_disable(sock, &obj); +} + +int ustctl_tracepoint_list(int sock) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret, tp_list_handle; + + memset(&lum, 0, sizeof(lum)); + lum.handle = LTTNG_UST_ROOT_HANDLE; + lum.cmd = LTTNG_UST_TRACEPOINT_LIST; + ret = ustcomm_send_app_cmd(sock, &lum, &lur); + if (ret) + return ret; + tp_list_handle = lur.ret_val; + DBG("received tracepoint list handle %u", tp_list_handle); + return tp_list_handle; +} + +int ustctl_tracepoint_list_get(int sock, int tp_list_handle, + struct lttng_ust_tracepoint_iter *iter) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret; + + if (!iter) + return -EINVAL; + + memset(&lum, 0, sizeof(lum)); + lum.handle = tp_list_handle; + lum.cmd = LTTNG_UST_TRACEPOINT_LIST_GET; + ret = ustcomm_send_app_cmd(sock, &lum, &lur); + if (ret) + return ret; + DBG("received tracepoint list entry name %s loglevel %d", + lur.u.tracepoint.name, + lur.u.tracepoint.loglevel); + memcpy(iter, &lur.u.tracepoint, sizeof(*iter)); + return 0; +} + +int ustctl_tracepoint_field_list(int sock) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret, tp_field_list_handle; + + memset(&lum, 0, sizeof(lum)); + lum.handle = LTTNG_UST_ROOT_HANDLE; + lum.cmd = LTTNG_UST_TRACEPOINT_FIELD_LIST; + ret = ustcomm_send_app_cmd(sock, &lum, &lur); + if (ret) + return ret; + tp_field_list_handle = lur.ret_val; + DBG("received tracepoint field list handle %u", tp_field_list_handle); + return tp_field_list_handle; +} + +int ustctl_tracepoint_field_list_get(int sock, int tp_field_list_handle, + struct lttng_ust_field_iter *iter) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret; + ssize_t len; + + if (!iter) + return -EINVAL; + + memset(&lum, 0, sizeof(lum)); + lum.handle = tp_field_list_handle; + lum.cmd = LTTNG_UST_TRACEPOINT_FIELD_LIST_GET; + ret = ustcomm_send_app_cmd(sock, &lum, &lur); + if (ret) + return ret; + len = ustcomm_recv_unix_sock(sock, iter, sizeof(*iter)); + if (len != sizeof(*iter)) { + return -EINVAL; + } + DBG("received tracepoint field list entry event_name %s event_loglevel %d field_name %s field_type %d", + iter->event_name, + iter->loglevel, + iter->field_name, + iter->type); + return 0; +} + +int ustctl_tracer_version(int sock, struct lttng_ust_tracer_version *v) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret; + + if (!v) + return -EINVAL; + + memset(&lum, 0, sizeof(lum)); + lum.handle = LTTNG_UST_ROOT_HANDLE; + lum.cmd = LTTNG_UST_TRACER_VERSION; + ret = ustcomm_send_app_cmd(sock, &lum, &lur); + if (ret) + return ret; + memcpy(v, &lur.u.version, sizeof(*v)); + DBG("received tracer version"); + return 0; +} + +int ustctl_wait_quiescent(int sock) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret; + + memset(&lum, 0, sizeof(lum)); + lum.handle = LTTNG_UST_ROOT_HANDLE; + lum.cmd = LTTNG_UST_WAIT_QUIESCENT; + ret = ustcomm_send_app_cmd(sock, &lum, &lur); + if (ret) + return ret; + DBG("waited for quiescent state"); + return 0; +} + +int ustctl_calibrate(int sock, struct lttng_ust_calibrate *calibrate) +{ + if (!calibrate) + return -EINVAL; + + return -ENOSYS; +} + +int ustctl_sock_flush_buffer(int sock, struct lttng_ust_object_data *object) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret; + + if (!object) + return -EINVAL; + + memset(&lum, 0, sizeof(lum)); + lum.handle = object->handle; + lum.cmd = LTTNG_UST_FLUSH_BUFFER; + ret = ustcomm_send_app_cmd(sock, &lum, &lur); + if (ret) + return ret; + DBG("flushed buffer handle %u", object->handle); + return 0; +} + +static +int ustctl_send_channel(int sock, + enum lttng_ust_chan_type type, + void *data, + uint64_t size, + int wakeup_fd, + int send_fd_only) +{ + ssize_t len; + + if (!send_fd_only) { + /* Send mmap size */ + len = ustcomm_send_unix_sock(sock, &size, sizeof(size)); + if (len != sizeof(size)) { + if (len < 0) + return len; + else + return -EIO; + } + + /* Send channel type */ + len = ustcomm_send_unix_sock(sock, &type, sizeof(type)); + if (len != sizeof(type)) { + if (len < 0) + return len; + else + return -EIO; + } + } + + /* Send channel data */ + len = ustcomm_send_unix_sock(sock, data, size); + if (len != size) { + if (len < 0) + return len; + else + return -EIO; + } + + /* Send wakeup fd */ + len = ustcomm_send_fds_unix_sock(sock, &wakeup_fd, 1); + if (len <= 0) { + if (len < 0) + return len; + else + return -EIO; + } + return 0; +} + +static +int ustctl_send_stream(int sock, + uint32_t stream_nr, + uint64_t memory_map_size, + int shm_fd, int wakeup_fd, + int send_fd_only) +{ + ssize_t len; + int fds[2]; + + if (!send_fd_only) { + if (shm_fd < 0) { + /* finish iteration */ + uint64_t v = -1; + + len = ustcomm_send_unix_sock(sock, &v, sizeof(v)); + if (len != sizeof(v)) { + if (len < 0) + return len; + else + return -EIO; + } + return 0; + } + + /* Send mmap size */ + len = ustcomm_send_unix_sock(sock, &memory_map_size, + sizeof(memory_map_size)); + if (len != sizeof(memory_map_size)) { + if (len < 0) + return len; + else + return -EIO; + } + + /* Send stream nr */ + len = ustcomm_send_unix_sock(sock, &stream_nr, + sizeof(stream_nr)); + if (len != sizeof(stream_nr)) { + if (len < 0) + return len; + else + return -EIO; + } + } + + /* Send shm fd and wakeup fd */ + fds[0] = shm_fd; + fds[1] = wakeup_fd; + len = ustcomm_send_fds_unix_sock(sock, fds, 2); + if (len <= 0) { + if (len < 0) + return len; + else + return -EIO; + } + return 0; +} + +int ustctl_recv_channel_from_consumer(int sock, + struct lttng_ust_object_data **_channel_data) +{ + struct lttng_ust_object_data *channel_data; + ssize_t len; + int wakeup_fd; + int ret; + + channel_data = zmalloc(sizeof(*channel_data)); + if (!channel_data) { + ret = -ENOMEM; + goto error_alloc; + } + channel_data->type = LTTNG_UST_OBJECT_TYPE_CHANNEL; + channel_data->handle = -1; + + /* recv mmap size */ + len = ustcomm_recv_unix_sock(sock, &channel_data->size, + sizeof(channel_data->size)); + if (len != sizeof(channel_data->size)) { + if (len < 0) + ret = len; + else + ret = -EINVAL; + goto error; + } + + /* recv channel type */ + len = ustcomm_recv_unix_sock(sock, &channel_data->u.channel.type, + sizeof(channel_data->u.channel.type)); + if (len != sizeof(channel_data->u.channel.type)) { + if (len < 0) + ret = len; + else + ret = -EINVAL; + goto error; + } + + /* recv channel data */ + channel_data->u.channel.data = zmalloc(channel_data->size); + if (!channel_data->u.channel.data) { + ret = -ENOMEM; + goto error; + } + len = ustcomm_recv_unix_sock(sock, channel_data->u.channel.data, + channel_data->size); + if (len != channel_data->size) { + if (len < 0) + ret = len; + else + ret = -EINVAL; + goto error_recv_data; + } + /* recv wakeup fd */ + len = ustcomm_recv_fds_unix_sock(sock, &wakeup_fd, 1); + if (len <= 0) { + if (len < 0) { + ret = len; + goto error_recv_data; + } else { + ret = -EIO; + goto error_recv_data; + } + } + channel_data->u.channel.wakeup_fd = wakeup_fd; + *_channel_data = channel_data; + return 0; + +error_recv_data: + free(channel_data->u.channel.data); +error: + free(channel_data); +error_alloc: + return ret; +} + +int ustctl_recv_stream_from_consumer(int sock, + struct lttng_ust_object_data **_stream_data) +{ + struct lttng_ust_object_data *stream_data; + ssize_t len; + int ret; + int fds[2]; + + stream_data = zmalloc(sizeof(*stream_data)); + if (!stream_data) { + ret = -ENOMEM; + goto error_alloc; + } + + stream_data->type = LTTNG_UST_OBJECT_TYPE_STREAM; + stream_data->handle = -1; + + /* recv mmap size */ + len = ustcomm_recv_unix_sock(sock, &stream_data->size, + sizeof(stream_data->size)); + if (len != sizeof(stream_data->size)) { + if (len < 0) + ret = len; + else + ret = -EINVAL; + goto error; + } + if (stream_data->size == -1) { + ret = -LTTNG_UST_ERR_NOENT; + goto error; + } + + /* recv stream nr */ + len = ustcomm_recv_unix_sock(sock, &stream_data->u.stream.stream_nr, + sizeof(stream_data->u.stream.stream_nr)); + if (len != sizeof(stream_data->u.stream.stream_nr)) { + if (len < 0) + ret = len; + else + ret = -EINVAL; + goto error; + } + + /* recv shm fd and wakeup fd */ + len = ustcomm_recv_fds_unix_sock(sock, fds, 2); + if (len <= 0) { + if (len < 0) { + ret = len; + goto error; + } else { + ret = -EIO; + goto error; + } + } + stream_data->u.stream.shm_fd = fds[0]; + stream_data->u.stream.wakeup_fd = fds[1]; + *_stream_data = stream_data; + return 0; + +error: + free(stream_data); +error_alloc: + return ret; +} + +int ustctl_send_channel_to_ust(int sock, int session_handle, + struct lttng_ust_object_data *channel_data) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret; + + if (!channel_data) + return -EINVAL; + + memset(&lum, 0, sizeof(lum)); + lum.handle = session_handle; + lum.cmd = LTTNG_UST_CHANNEL; + lum.u.channel.len = channel_data->size; + lum.u.channel.type = channel_data->u.channel.type; + ret = ustcomm_send_app_msg(sock, &lum); + if (ret) + return ret; + + ret = ustctl_send_channel(sock, + channel_data->u.channel.type, + channel_data->u.channel.data, + channel_data->size, + channel_data->u.channel.wakeup_fd, + 1); + if (ret) + return ret; + ret = ustcomm_recv_app_reply(sock, &lur, lum.handle, lum.cmd); + if (!ret) { + channel_data->handle = lur.ret_val; + } + return ret; +} + +int ustctl_send_stream_to_ust(int sock, + struct lttng_ust_object_data *channel_data, + struct lttng_ust_object_data *stream_data) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret; + + memset(&lum, 0, sizeof(lum)); + lum.handle = channel_data->handle; + lum.cmd = LTTNG_UST_STREAM; + lum.u.stream.len = stream_data->size; + lum.u.stream.stream_nr = stream_data->u.stream.stream_nr; + ret = ustcomm_send_app_msg(sock, &lum); + if (ret) + return ret; + + assert(stream_data); + assert(stream_data->type == LTTNG_UST_OBJECT_TYPE_STREAM); + + ret = ustctl_send_stream(sock, + stream_data->u.stream.stream_nr, + stream_data->size, + stream_data->u.stream.shm_fd, + stream_data->u.stream.wakeup_fd, 1); + if (ret) + return ret; + return ustcomm_recv_app_reply(sock, &lur, lum.handle, lum.cmd); +} + +int ustctl_duplicate_ust_object_data(struct lttng_ust_object_data **dest, + struct lttng_ust_object_data *src) +{ + struct lttng_ust_object_data *obj; + int ret; + + if (src->handle != -1) { + ret = -EINVAL; + goto error; + } + + obj = zmalloc(sizeof(*obj)); + if (!obj) { + ret = -ENOMEM; + goto error; + } + + obj->type = src->type; + obj->handle = src->handle; + obj->size = src->size; + + switch (obj->type) { + case LTTNG_UST_OBJECT_TYPE_CHANNEL: + { + obj->u.channel.type = src->u.channel.type; + if (src->u.channel.wakeup_fd >= 0) { + obj->u.channel.wakeup_fd = + dup(src->u.channel.wakeup_fd); + if (obj->u.channel.wakeup_fd < 0) { + ret = errno; + goto chan_error_wakeup_fd; + } + } else { + obj->u.channel.wakeup_fd = + src->u.channel.wakeup_fd; + } + obj->u.channel.data = zmalloc(obj->size); + if (!obj->u.channel.data) { + ret = -ENOMEM; + goto chan_error_alloc; + } + memcpy(obj->u.channel.data, src->u.channel.data, obj->size); + break; + + chan_error_alloc: + if (src->u.channel.wakeup_fd >= 0) { + int closeret; + + closeret = close(obj->u.channel.wakeup_fd); + if (closeret) { + PERROR("close"); + } + } + chan_error_wakeup_fd: + goto error_type; + + } + + case LTTNG_UST_OBJECT_TYPE_STREAM: + { + obj->u.stream.stream_nr = src->u.stream.stream_nr; + if (src->u.stream.wakeup_fd >= 0) { + obj->u.stream.wakeup_fd = + dup(src->u.stream.wakeup_fd); + if (obj->u.stream.wakeup_fd < 0) { + ret = errno; + goto stream_error_wakeup_fd; + } + } else { + obj->u.stream.wakeup_fd = + src->u.stream.wakeup_fd; + } + + if (src->u.stream.shm_fd >= 0) { + obj->u.stream.shm_fd = + dup(src->u.stream.shm_fd); + if (obj->u.stream.shm_fd < 0) { + ret = errno; + goto stream_error_shm_fd; + } + } else { + obj->u.stream.shm_fd = + src->u.stream.shm_fd; + } + break; + + stream_error_shm_fd: + if (src->u.stream.wakeup_fd >= 0) { + int closeret; + + closeret = close(obj->u.stream.wakeup_fd); + if (closeret) { + PERROR("close"); + } + } + stream_error_wakeup_fd: + goto error_type; + } + + default: + ret = -EINVAL; + goto error_type; + } + + *dest = obj; + return 0; + +error_type: + free(obj); +error: + return ret; +} + + +/* Buffer operations */ + +int ustctl_get_nr_stream_per_channel(void) +{ + return num_possible_cpus(); +} + +struct ustctl_consumer_channel * + ustctl_create_channel(struct ustctl_consumer_channel_attr *attr, + const int *stream_fds, int nr_stream_fds) +{ + struct ustctl_consumer_channel *chan; + const char *transport_name; + struct lttng_transport *transport; + + switch (attr->type) { + case LTTNG_UST_CHAN_PER_CPU: + if (attr->output == LTTNG_UST_MMAP) { + if (attr->overwrite) { + if (attr->read_timer_interval == 0) { + transport_name = "relay-overwrite-mmap"; + } else { + transport_name = "relay-overwrite-rt-mmap"; + } + } else { + if (attr->read_timer_interval == 0) { + transport_name = "relay-discard-mmap"; + } else { + transport_name = "relay-discard-rt-mmap"; + } + } + } else { + return NULL; + } + break; + case LTTNG_UST_CHAN_METADATA: + if (attr->output == LTTNG_UST_MMAP) + transport_name = "relay-metadata-mmap"; + else + return NULL; + break; + default: + transport_name = ""; + return NULL; + } + + transport = lttng_transport_find(transport_name); + if (!transport) { + DBG("LTTng transport %s not found\n", + transport_name); + return NULL; + } + + chan = zmalloc(sizeof(*chan)); + if (!chan) + return NULL; + + chan->chan = transport->ops.channel_create(transport_name, NULL, + attr->subbuf_size, attr->num_subbuf, + attr->switch_timer_interval, + attr->read_timer_interval, + attr->uuid, attr->chan_id, + stream_fds, nr_stream_fds); + if (!chan->chan) { + goto chan_error; + } + chan->chan->ops = &transport->ops; + memcpy(&chan->attr, attr, sizeof(chan->attr)); + chan->wait_fd = ustctl_channel_get_wait_fd(chan); + chan->wakeup_fd = ustctl_channel_get_wakeup_fd(chan); + return chan; + +chan_error: + free(chan); + return NULL; +} + +void ustctl_destroy_channel(struct ustctl_consumer_channel *chan) +{ + (void) ustctl_channel_close_wait_fd(chan); + (void) ustctl_channel_close_wakeup_fd(chan); + chan->chan->ops->channel_destroy(chan->chan); + free(chan); +} + +int ustctl_send_channel_to_sessiond(int sock, + struct ustctl_consumer_channel *channel) +{ + struct shm_object_table *table; + + table = channel->chan->handle->table; + if (table->size <= 0) + return -EINVAL; + return ustctl_send_channel(sock, + channel->attr.type, + table->objects[0].memory_map, + table->objects[0].memory_map_size, + channel->wakeup_fd, + 0); +} + +int ustctl_send_stream_to_sessiond(int sock, + struct ustctl_consumer_stream *stream) +{ + if (!stream) + return ustctl_send_stream(sock, -1U, -1U, -1, -1, 0); + + return ustctl_send_stream(sock, + stream->cpu, + stream->memory_map_size, + stream->shm_fd, stream->wakeup_fd, + 0); +} + +int ustctl_write_metadata_to_channel( + struct ustctl_consumer_channel *channel, + const char *metadata_str, /* NOT null-terminated */ + size_t len) /* metadata length */ +{ + struct lttng_ust_lib_ring_buffer_ctx ctx; + struct lttng_channel *chan = channel->chan; + const char *str = metadata_str; + int ret = 0, waitret; + size_t reserve_len, pos; + + for (pos = 0; pos < len; pos += reserve_len) { + reserve_len = min_t(size_t, + chan->ops->packet_avail_size(chan->chan, chan->handle), + len - pos); + lib_ring_buffer_ctx_init(&ctx, chan->chan, NULL, reserve_len, + sizeof(char), -1, chan->handle, NULL); + /* + * We don't care about metadata buffer's records lost + * count, because we always retry here. Report error if + * we need to bail out after timeout or being + * interrupted. + */ + waitret = wait_cond_interruptible_timeout( + ({ + ret = chan->ops->event_reserve(&ctx, 0); + ret != -ENOBUFS || !ret; + }), + LTTNG_METADATA_TIMEOUT_MSEC); + if (waitret == -ETIMEDOUT || waitret == -EINTR || ret) { + DBG("LTTng: Failure to write metadata to buffers (%s)\n", + waitret == -EINTR ? "interrupted" : + (ret == -ENOBUFS ? "timeout" : "I/O error")); + if (waitret == -EINTR) + ret = waitret; + goto end; + } + chan->ops->event_write(&ctx, &str[pos], reserve_len); + chan->ops->event_commit(&ctx); + } +end: + return ret; +} + +/* + * Write at most one packet in the channel. + * Returns the number of bytes written on success, < 0 on error. + */ +ssize_t ustctl_write_one_packet_to_channel( + struct ustctl_consumer_channel *channel, + const char *metadata_str, /* NOT null-terminated */ + size_t len) /* metadata length */ +{ + struct lttng_ust_lib_ring_buffer_ctx ctx; + struct lttng_channel *chan = channel->chan; + const char *str = metadata_str; + ssize_t reserve_len; + int ret; + + reserve_len = min_t(ssize_t, + chan->ops->packet_avail_size(chan->chan, chan->handle), + len); + lib_ring_buffer_ctx_init(&ctx, chan->chan, NULL, reserve_len, + sizeof(char), -1, chan->handle, NULL); + ret = chan->ops->event_reserve(&ctx, 0); + if (ret != 0) { + DBG("LTTng: event reservation failed"); + assert(ret < 0); + reserve_len = ret; + goto end; + } + chan->ops->event_write(&ctx, str, reserve_len); + chan->ops->event_commit(&ctx); + +end: + return reserve_len; +} + +int ustctl_channel_close_wait_fd(struct ustctl_consumer_channel *consumer_chan) +{ + struct channel *chan; + int ret; + + chan = consumer_chan->chan->chan; + ret = ring_buffer_channel_close_wait_fd(&chan->backend.config, + chan, chan->handle); + if (!ret) + consumer_chan->wait_fd = -1; + return ret; +} + +int ustctl_channel_close_wakeup_fd(struct ustctl_consumer_channel *consumer_chan) +{ + struct channel *chan; + int ret; + + chan = consumer_chan->chan->chan; + ret = ring_buffer_channel_close_wakeup_fd(&chan->backend.config, + chan, chan->handle); + if (!ret) + consumer_chan->wakeup_fd = -1; + return ret; +} + +int ustctl_stream_close_wait_fd(struct ustctl_consumer_stream *stream) +{ + struct channel *chan; + + chan = stream->chan->chan->chan; + return ring_buffer_stream_close_wait_fd(&chan->backend.config, + chan, stream->handle, stream->cpu); +} + +int ustctl_stream_close_wakeup_fd(struct ustctl_consumer_stream *stream) +{ + struct channel *chan; + + chan = stream->chan->chan->chan; + return ring_buffer_stream_close_wakeup_fd(&chan->backend.config, + chan, stream->handle, stream->cpu); +} + +struct ustctl_consumer_stream * + ustctl_create_stream(struct ustctl_consumer_channel *channel, + int cpu) +{ + struct ustctl_consumer_stream *stream; + struct lttng_ust_shm_handle *handle; + struct channel *chan; + int shm_fd, wait_fd, wakeup_fd; + uint64_t memory_map_size; + struct lttng_ust_lib_ring_buffer *buf; + int ret; + + if (!channel) + return NULL; + handle = channel->chan->handle; + if (!handle) + return NULL; + + chan = channel->chan->chan; + buf = channel_get_ring_buffer(&chan->backend.config, + chan, cpu, handle, &shm_fd, &wait_fd, + &wakeup_fd, &memory_map_size); + if (!buf) + return NULL; + ret = lib_ring_buffer_open_read(buf, handle); + if (ret) + return NULL; + + stream = zmalloc(sizeof(*stream)); + if (!stream) + goto alloc_error; + stream->handle = handle; + stream->buf = buf; + stream->chan = channel; + stream->shm_fd = shm_fd; + stream->wait_fd = wait_fd; + stream->wakeup_fd = wakeup_fd; + stream->memory_map_size = memory_map_size; + stream->cpu = cpu; + return stream; + +alloc_error: + return NULL; +} + +void ustctl_destroy_stream(struct ustctl_consumer_stream *stream) +{ + struct lttng_ust_lib_ring_buffer *buf; + struct ustctl_consumer_channel *consumer_chan; + + assert(stream); + buf = stream->buf; + consumer_chan = stream->chan; + (void) ustctl_stream_close_wait_fd(stream); + (void) ustctl_stream_close_wakeup_fd(stream); + lib_ring_buffer_release_read(buf, consumer_chan->chan->handle); + free(stream); +} + +int ustctl_channel_get_wait_fd(struct ustctl_consumer_channel *chan) +{ + if (!chan) + return -EINVAL; + return shm_get_wait_fd(chan->chan->handle, + &chan->chan->handle->chan._ref); +} + +int ustctl_channel_get_wakeup_fd(struct ustctl_consumer_channel *chan) +{ + if (!chan) + return -EINVAL; + return shm_get_wakeup_fd(chan->chan->handle, + &chan->chan->handle->chan._ref); +} + +int ustctl_stream_get_wait_fd(struct ustctl_consumer_stream *stream) +{ + struct lttng_ust_lib_ring_buffer *buf; + struct ustctl_consumer_channel *consumer_chan; + + if (!stream) + return -EINVAL; + buf = stream->buf; + consumer_chan = stream->chan; + return shm_get_wait_fd(consumer_chan->chan->handle, &buf->self._ref); +} + +int ustctl_stream_get_wakeup_fd(struct ustctl_consumer_stream *stream) +{ + struct lttng_ust_lib_ring_buffer *buf; + struct ustctl_consumer_channel *consumer_chan; + + if (!stream) + return -EINVAL; + buf = stream->buf; + consumer_chan = stream->chan; + return shm_get_wakeup_fd(consumer_chan->chan->handle, &buf->self._ref); +} + +/* For mmap mode, readable without "get" operation */ + +void *ustctl_get_mmap_base(struct ustctl_consumer_stream *stream) +{ + struct lttng_ust_lib_ring_buffer *buf; + struct ustctl_consumer_channel *consumer_chan; + + if (!stream) + return NULL; + buf = stream->buf; + consumer_chan = stream->chan; + return shmp(consumer_chan->chan->handle, buf->backend.memory_map); +} + +/* returns the length to mmap. */ +int ustctl_get_mmap_len(struct ustctl_consumer_stream *stream, + unsigned long *len) +{ + struct ustctl_consumer_channel *consumer_chan; + unsigned long mmap_buf_len; + struct channel *chan; + + if (!stream) + return -EINVAL; + consumer_chan = stream->chan; + chan = consumer_chan->chan->chan; + if (chan->backend.config.output != RING_BUFFER_MMAP) + return -EINVAL; + mmap_buf_len = chan->backend.buf_size; + if (chan->backend.extra_reader_sb) + mmap_buf_len += chan->backend.subbuf_size; + if (mmap_buf_len > INT_MAX) + return -EFBIG; + *len = mmap_buf_len; + return 0; +} + +/* returns the maximum size for sub-buffers. */ +int ustctl_get_max_subbuf_size(struct ustctl_consumer_stream *stream, + unsigned long *len) +{ + struct ustctl_consumer_channel *consumer_chan; + struct channel *chan; + + if (!stream) + return -EINVAL; + consumer_chan = stream->chan; + chan = consumer_chan->chan->chan; + *len = chan->backend.subbuf_size; + return 0; +} + +/* + * For mmap mode, operate on the current packet (between get/put or + * get_next/put_next). + */ + +/* returns the offset of the subbuffer belonging to the mmap reader. */ +int ustctl_get_mmap_read_offset(struct ustctl_consumer_stream *stream, + unsigned long *off) +{ + struct channel *chan; + unsigned long sb_bindex; + struct lttng_ust_lib_ring_buffer *buf; + struct ustctl_consumer_channel *consumer_chan; + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *barray_idx; + struct lttng_ust_lib_ring_buffer_backend_pages *pages; + + if (!stream) + return -EINVAL; + buf = stream->buf; + consumer_chan = stream->chan; + chan = consumer_chan->chan->chan; + if (chan->backend.config.output != RING_BUFFER_MMAP) + return -EINVAL; + sb_bindex = subbuffer_id_get_index(&chan->backend.config, + buf->backend.buf_rsb.id); + barray_idx = shmp_index(consumer_chan->chan->handle, buf->backend.array, + sb_bindex); + if (!barray_idx) + return -EINVAL; + pages = shmp(consumer_chan->chan->handle, barray_idx->shmp); + if (!pages) + return -EINVAL; + *off = pages->mmap_offset; + return 0; +} + +/* returns the size of the current sub-buffer, without padding (for mmap). */ +int ustctl_get_subbuf_size(struct ustctl_consumer_stream *stream, + unsigned long *len) +{ + struct ustctl_consumer_channel *consumer_chan; + struct channel *chan; + struct lttng_ust_lib_ring_buffer *buf; + + if (!stream) + return -EINVAL; + + buf = stream->buf; + consumer_chan = stream->chan; + chan = consumer_chan->chan->chan; + *len = lib_ring_buffer_get_read_data_size(&chan->backend.config, buf, + consumer_chan->chan->handle); + return 0; +} + +/* returns the size of the current sub-buffer, without padding (for mmap). */ +int ustctl_get_padded_subbuf_size(struct ustctl_consumer_stream *stream, + unsigned long *len) +{ + struct ustctl_consumer_channel *consumer_chan; + struct channel *chan; + struct lttng_ust_lib_ring_buffer *buf; + + if (!stream) + return -EINVAL; + buf = stream->buf; + consumer_chan = stream->chan; + chan = consumer_chan->chan->chan; + *len = lib_ring_buffer_get_read_data_size(&chan->backend.config, buf, + consumer_chan->chan->handle); + *len = PAGE_ALIGN(*len); + return 0; +} + +/* Get exclusive read access to the next sub-buffer that can be read. */ +int ustctl_get_next_subbuf(struct ustctl_consumer_stream *stream) +{ + struct lttng_ust_lib_ring_buffer *buf; + struct ustctl_consumer_channel *consumer_chan; + + if (!stream) + return -EINVAL; + buf = stream->buf; + consumer_chan = stream->chan; + return lib_ring_buffer_get_next_subbuf(buf, + consumer_chan->chan->handle); +} + + +/* Release exclusive sub-buffer access, move consumer forward. */ +int ustctl_put_next_subbuf(struct ustctl_consumer_stream *stream) +{ + struct lttng_ust_lib_ring_buffer *buf; + struct ustctl_consumer_channel *consumer_chan; + + if (!stream) + return -EINVAL; + buf = stream->buf; + consumer_chan = stream->chan; + lib_ring_buffer_put_next_subbuf(buf, consumer_chan->chan->handle); + return 0; +} + +/* snapshot */ + +/* Get a snapshot of the current ring buffer producer and consumer positions */ +int ustctl_snapshot(struct ustctl_consumer_stream *stream) +{ + struct lttng_ust_lib_ring_buffer *buf; + struct ustctl_consumer_channel *consumer_chan; + + if (!stream) + return -EINVAL; + buf = stream->buf; + consumer_chan = stream->chan; + return lib_ring_buffer_snapshot(buf, &buf->cons_snapshot, + &buf->prod_snapshot, consumer_chan->chan->handle); +} + +/* Get the consumer position (iteration start) */ +int ustctl_snapshot_get_consumed(struct ustctl_consumer_stream *stream, + unsigned long *pos) +{ + struct lttng_ust_lib_ring_buffer *buf; + + if (!stream) + return -EINVAL; + buf = stream->buf; + *pos = buf->cons_snapshot; + return 0; +} + +/* Get the producer position (iteration end) */ +int ustctl_snapshot_get_produced(struct ustctl_consumer_stream *stream, + unsigned long *pos) +{ + struct lttng_ust_lib_ring_buffer *buf; + + if (!stream) + return -EINVAL; + buf = stream->buf; + *pos = buf->prod_snapshot; + return 0; +} + +/* Get exclusive read access to the specified sub-buffer position */ +int ustctl_get_subbuf(struct ustctl_consumer_stream *stream, + unsigned long *pos) +{ + struct lttng_ust_lib_ring_buffer *buf; + struct ustctl_consumer_channel *consumer_chan; + + if (!stream) + return -EINVAL; + buf = stream->buf; + consumer_chan = stream->chan; + return lib_ring_buffer_get_subbuf(buf, *pos, + consumer_chan->chan->handle); +} + +/* Release exclusive sub-buffer access */ +int ustctl_put_subbuf(struct ustctl_consumer_stream *stream) +{ + struct lttng_ust_lib_ring_buffer *buf; + struct ustctl_consumer_channel *consumer_chan; + + if (!stream) + return -EINVAL; + buf = stream->buf; + consumer_chan = stream->chan; + lib_ring_buffer_put_subbuf(buf, consumer_chan->chan->handle); + return 0; +} + +void ustctl_flush_buffer(struct ustctl_consumer_stream *stream, + int producer_active) +{ + struct lttng_ust_lib_ring_buffer *buf; + struct ustctl_consumer_channel *consumer_chan; + + assert(stream); + buf = stream->buf; + consumer_chan = stream->chan; + lib_ring_buffer_switch_slow(buf, + producer_active ? SWITCH_ACTIVE : SWITCH_FLUSH, + consumer_chan->chan->handle); +} + +static +struct lttng_ust_client_lib_ring_buffer_client_cb *get_client_cb( + struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle) +{ + struct channel *chan; + const struct lttng_ust_lib_ring_buffer_config *config; + struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb; + + chan = shmp(handle, buf->backend.chan); + if (!chan) + return NULL; + config = &chan->backend.config; + if (!config->cb_ptr) + return NULL; + client_cb = caa_container_of(config->cb_ptr, + struct lttng_ust_client_lib_ring_buffer_client_cb, + parent); + return client_cb; +} + +int ustctl_get_timestamp_begin(struct ustctl_consumer_stream *stream, + uint64_t *timestamp_begin) +{ + struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb; + struct lttng_ust_lib_ring_buffer *buf; + struct lttng_ust_shm_handle *handle; + + if (!stream || !timestamp_begin) + return -EINVAL; + buf = stream->buf; + handle = stream->chan->chan->handle; + client_cb = get_client_cb(buf, handle); + if (!client_cb) + return -ENOSYS; + return client_cb->timestamp_begin(buf, handle, timestamp_begin); +} + +int ustctl_get_timestamp_end(struct ustctl_consumer_stream *stream, + uint64_t *timestamp_end) +{ + struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb; + struct lttng_ust_lib_ring_buffer *buf; + struct lttng_ust_shm_handle *handle; + + if (!stream || !timestamp_end) + return -EINVAL; + buf = stream->buf; + handle = stream->chan->chan->handle; + client_cb = get_client_cb(buf, handle); + if (!client_cb) + return -ENOSYS; + return client_cb->timestamp_end(buf, handle, timestamp_end); +} + +int ustctl_get_events_discarded(struct ustctl_consumer_stream *stream, + uint64_t *events_discarded) +{ + struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb; + struct lttng_ust_lib_ring_buffer *buf; + struct lttng_ust_shm_handle *handle; + + if (!stream || !events_discarded) + return -EINVAL; + buf = stream->buf; + handle = stream->chan->chan->handle; + client_cb = get_client_cb(buf, handle); + if (!client_cb) + return -ENOSYS; + return client_cb->events_discarded(buf, handle, events_discarded); +} + +int ustctl_get_content_size(struct ustctl_consumer_stream *stream, + uint64_t *content_size) +{ + struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb; + struct lttng_ust_lib_ring_buffer *buf; + struct lttng_ust_shm_handle *handle; + + if (!stream || !content_size) + return -EINVAL; + buf = stream->buf; + handle = stream->chan->chan->handle; + client_cb = get_client_cb(buf, handle); + if (!client_cb) + return -ENOSYS; + return client_cb->content_size(buf, handle, content_size); +} + +int ustctl_get_packet_size(struct ustctl_consumer_stream *stream, + uint64_t *packet_size) +{ + struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb; + struct lttng_ust_lib_ring_buffer *buf; + struct lttng_ust_shm_handle *handle; + + if (!stream || !packet_size) + return -EINVAL; + buf = stream->buf; + handle = stream->chan->chan->handle; + client_cb = get_client_cb(buf, handle); + if (!client_cb) + return -ENOSYS; + return client_cb->packet_size(buf, handle, packet_size); +} + +int ustctl_get_stream_id(struct ustctl_consumer_stream *stream, + uint64_t *stream_id) +{ + struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb; + struct lttng_ust_lib_ring_buffer *buf; + struct lttng_ust_shm_handle *handle; + + if (!stream || !stream_id) + return -EINVAL; + buf = stream->buf; + handle = stream->chan->chan->handle; + client_cb = get_client_cb(buf, handle); + if (!client_cb) + return -ENOSYS; + return client_cb->stream_id(buf, handle, stream_id); +} + +int ustctl_get_current_timestamp(struct ustctl_consumer_stream *stream, + uint64_t *ts) +{ + struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb; + struct lttng_ust_lib_ring_buffer *buf; + struct lttng_ust_shm_handle *handle; + + if (!stream || !ts) + return -EINVAL; + buf = stream->buf; + handle = stream->chan->chan->handle; + client_cb = get_client_cb(buf, handle); + if (!client_cb || !client_cb->current_timestamp) + return -ENOSYS; + return client_cb->current_timestamp(buf, handle, ts); +} + +int ustctl_get_sequence_number(struct ustctl_consumer_stream *stream, + uint64_t *seq) +{ + struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb; + struct lttng_ust_lib_ring_buffer *buf; + struct lttng_ust_shm_handle *handle; + + if (!stream || !seq) + return -EINVAL; + buf = stream->buf; + handle = stream->chan->chan->handle; + client_cb = get_client_cb(buf, handle); + if (!client_cb || !client_cb->sequence_number) + return -ENOSYS; + return client_cb->sequence_number(buf, handle, seq); +} + +int ustctl_get_instance_id(struct ustctl_consumer_stream *stream, + uint64_t *id) +{ + struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb; + struct lttng_ust_lib_ring_buffer *buf; + struct lttng_ust_shm_handle *handle; + + if (!stream || !id) + return -EINVAL; + buf = stream->buf; + handle = stream->chan->chan->handle; + client_cb = get_client_cb(buf, handle); + if (!client_cb) + return -ENOSYS; + return client_cb->instance_id(buf, handle, id); +} + +#if defined(__x86_64__) || defined(__i386__) + +int ustctl_has_perf_counters(void) +{ + return 1; +} + +#else + +int ustctl_has_perf_counters(void) +{ + return 0; +} + +#endif + +/* + * Returns 0 on success, negative error value on error. + */ +int ustctl_recv_reg_msg(int sock, + enum ustctl_socket_type *type, + uint32_t *major, + uint32_t *minor, + uint32_t *pid, + uint32_t *ppid, + uint32_t *uid, + uint32_t *gid, + uint32_t *bits_per_long, + uint32_t *uint8_t_alignment, + uint32_t *uint16_t_alignment, + uint32_t *uint32_t_alignment, + uint32_t *uint64_t_alignment, + uint32_t *long_alignment, + int *byte_order, + char *name) +{ + ssize_t len; + struct ustctl_reg_msg reg_msg; + + len = ustcomm_recv_unix_sock(sock, ®_msg, sizeof(reg_msg)); + if (len > 0 && len != sizeof(reg_msg)) + return -EIO; + if (len == 0) + return -EPIPE; + if (len < 0) + return len; + + if (reg_msg.magic == LTTNG_UST_COMM_MAGIC) { + *byte_order = BYTE_ORDER == BIG_ENDIAN ? + BIG_ENDIAN : LITTLE_ENDIAN; + } else if (reg_msg.magic == bswap_32(LTTNG_UST_COMM_MAGIC)) { + *byte_order = BYTE_ORDER == BIG_ENDIAN ? + LITTLE_ENDIAN : BIG_ENDIAN; + } else { + return -LTTNG_UST_ERR_INVAL_MAGIC; + } + switch (reg_msg.socket_type) { + case 0: *type = USTCTL_SOCKET_CMD; + break; + case 1: *type = USTCTL_SOCKET_NOTIFY; + break; + default: + return -LTTNG_UST_ERR_INVAL_SOCKET_TYPE; + } + *major = reg_msg.major; + *minor = reg_msg.minor; + *pid = reg_msg.pid; + *ppid = reg_msg.ppid; + *uid = reg_msg.uid; + *gid = reg_msg.gid; + *bits_per_long = reg_msg.bits_per_long; + *uint8_t_alignment = reg_msg.uint8_t_alignment; + *uint16_t_alignment = reg_msg.uint16_t_alignment; + *uint32_t_alignment = reg_msg.uint32_t_alignment; + *uint64_t_alignment = reg_msg.uint64_t_alignment; + *long_alignment = reg_msg.long_alignment; + memcpy(name, reg_msg.name, LTTNG_UST_ABI_PROCNAME_LEN); + if (reg_msg.major != LTTNG_UST_ABI_MAJOR_VERSION) { + return -LTTNG_UST_ERR_UNSUP_MAJOR; + } + + return 0; +} + +int ustctl_recv_notify(int sock, enum ustctl_notify_cmd *notify_cmd) +{ + struct ustcomm_notify_hdr header; + ssize_t len; + + len = ustcomm_recv_unix_sock(sock, &header, sizeof(header)); + if (len > 0 && len != sizeof(header)) + return -EIO; + if (len == 0) + return -EPIPE; + if (len < 0) + return len; + switch (header.notify_cmd) { + case 0: + *notify_cmd = USTCTL_NOTIFY_CMD_EVENT; + break; + case 1: + *notify_cmd = USTCTL_NOTIFY_CMD_CHANNEL; + break; + case 2: + *notify_cmd = USTCTL_NOTIFY_CMD_ENUM; + break; + default: + return -EINVAL; + } + return 0; +} + +/* + * Returns 0 on success, negative error value on error. + */ +int ustctl_recv_register_event(int sock, + int *session_objd, + int *channel_objd, + char *event_name, + int *loglevel, + char **signature, + size_t *nr_fields, + struct ustctl_field **fields, + char **model_emf_uri) +{ + ssize_t len; + struct ustcomm_notify_event_msg msg; + size_t signature_len, fields_len, model_emf_uri_len; + char *a_sign = NULL, *a_model_emf_uri = NULL; + struct ustctl_field *a_fields = NULL; + + len = ustcomm_recv_unix_sock(sock, &msg, sizeof(msg)); + if (len > 0 && len != sizeof(msg)) + return -EIO; + if (len == 0) + return -EPIPE; + if (len < 0) + return len; + + *session_objd = msg.session_objd; + *channel_objd = msg.channel_objd; + strncpy(event_name, msg.event_name, LTTNG_UST_SYM_NAME_LEN); + event_name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + *loglevel = msg.loglevel; + signature_len = msg.signature_len; + fields_len = msg.fields_len; + + if (fields_len % sizeof(*a_fields) != 0) { + return -EINVAL; + } + + model_emf_uri_len = msg.model_emf_uri_len; + + /* recv signature. contains at least \0. */ + a_sign = zmalloc(signature_len); + if (!a_sign) + return -ENOMEM; + len = ustcomm_recv_unix_sock(sock, a_sign, signature_len); + if (len > 0 && len != signature_len) { + len = -EIO; + goto signature_error; + } + if (len == 0) { + len = -EPIPE; + goto signature_error; + } + if (len < 0) { + goto signature_error; + } + /* Enforce end of string */ + a_sign[signature_len - 1] = '\0'; + + /* recv fields */ + if (fields_len) { + a_fields = zmalloc(fields_len); + if (!a_fields) { + len = -ENOMEM; + goto signature_error; + } + len = ustcomm_recv_unix_sock(sock, a_fields, fields_len); + if (len > 0 && len != fields_len) { + len = -EIO; + goto fields_error; + } + if (len == 0) { + len = -EPIPE; + goto fields_error; + } + if (len < 0) { + goto fields_error; + } + } + + if (model_emf_uri_len) { + /* recv model_emf_uri_len */ + a_model_emf_uri = zmalloc(model_emf_uri_len); + if (!a_model_emf_uri) { + len = -ENOMEM; + goto fields_error; + } + len = ustcomm_recv_unix_sock(sock, a_model_emf_uri, + model_emf_uri_len); + if (len > 0 && len != model_emf_uri_len) { + len = -EIO; + goto model_error; + } + if (len == 0) { + len = -EPIPE; + goto model_error; + } + if (len < 0) { + goto model_error; + } + /* Enforce end of string */ + a_model_emf_uri[model_emf_uri_len - 1] = '\0'; + } + + *signature = a_sign; + *nr_fields = fields_len / sizeof(*a_fields); + *fields = a_fields; + *model_emf_uri = a_model_emf_uri; + + return 0; + +model_error: + free(a_model_emf_uri); +fields_error: + free(a_fields); +signature_error: + free(a_sign); + return len; +} + +/* + * Returns 0 on success, negative error value on error. + */ +int ustctl_reply_register_event(int sock, + uint32_t id, + int ret_code) +{ + ssize_t len; + struct { + struct ustcomm_notify_hdr header; + struct ustcomm_notify_event_reply r; + } reply; + + memset(&reply, 0, sizeof(reply)); + reply.header.notify_cmd = USTCTL_NOTIFY_CMD_EVENT; + reply.r.ret_code = ret_code; + reply.r.event_id = id; + len = ustcomm_send_unix_sock(sock, &reply, sizeof(reply)); + if (len > 0 && len != sizeof(reply)) + return -EIO; + if (len < 0) + return len; + return 0; +} + +/* + * Returns 0 on success, negative UST or system error value on error. + */ +int ustctl_recv_register_enum(int sock, + int *session_objd, + char *enum_name, + struct ustctl_enum_entry **entries, + size_t *nr_entries) +{ + ssize_t len; + struct ustcomm_notify_enum_msg msg; + size_t entries_len; + struct ustctl_enum_entry *a_entries = NULL; + + len = ustcomm_recv_unix_sock(sock, &msg, sizeof(msg)); + if (len > 0 && len != sizeof(msg)) + return -EIO; + if (len == 0) + return -EPIPE; + if (len < 0) + return len; + + *session_objd = msg.session_objd; + strncpy(enum_name, msg.enum_name, LTTNG_UST_SYM_NAME_LEN); + enum_name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + entries_len = msg.entries_len; + + if (entries_len % sizeof(*a_entries) != 0) { + return -EINVAL; + } + + /* recv entries */ + if (entries_len) { + a_entries = zmalloc(entries_len); + if (!a_entries) + return -ENOMEM; + len = ustcomm_recv_unix_sock(sock, a_entries, entries_len); + if (len > 0 && len != entries_len) { + len = -EIO; + goto entries_error; + } + if (len == 0) { + len = -EPIPE; + goto entries_error; + } + if (len < 0) { + goto entries_error; + } + } + *nr_entries = entries_len / sizeof(*a_entries); + *entries = a_entries; + + return 0; + +entries_error: + free(a_entries); + return len; +} + +/* + * Returns 0 on success, negative error value on error. + */ +int ustctl_reply_register_enum(int sock, + uint64_t id, + int ret_code) +{ + ssize_t len; + struct { + struct ustcomm_notify_hdr header; + struct ustcomm_notify_enum_reply r; + } reply; + + memset(&reply, 0, sizeof(reply)); + reply.header.notify_cmd = USTCTL_NOTIFY_CMD_ENUM; + reply.r.ret_code = ret_code; + reply.r.enum_id = id; + len = ustcomm_send_unix_sock(sock, &reply, sizeof(reply)); + if (len > 0 && len != sizeof(reply)) + return -EIO; + if (len < 0) + return len; + return 0; +} + +/* + * Returns 0 on success, negative UST or system error value on error. + */ +int ustctl_recv_register_channel(int sock, + int *session_objd, /* session descriptor (output) */ + int *channel_objd, /* channel descriptor (output) */ + size_t *nr_fields, + struct ustctl_field **fields) +{ + ssize_t len; + struct ustcomm_notify_channel_msg msg; + size_t fields_len; + struct ustctl_field *a_fields; + + len = ustcomm_recv_unix_sock(sock, &msg, sizeof(msg)); + if (len > 0 && len != sizeof(msg)) + return -EIO; + if (len == 0) + return -EPIPE; + if (len < 0) + return len; + + *session_objd = msg.session_objd; + *channel_objd = msg.channel_objd; + fields_len = msg.ctx_fields_len; + + if (fields_len % sizeof(*a_fields) != 0) { + return -EINVAL; + } + + /* recv fields */ + if (fields_len) { + a_fields = zmalloc(fields_len); + if (!a_fields) { + len = -ENOMEM; + goto alloc_error; + } + len = ustcomm_recv_unix_sock(sock, a_fields, fields_len); + if (len > 0 && len != fields_len) { + len = -EIO; + goto fields_error; + } + if (len == 0) { + len = -EPIPE; + goto fields_error; + } + if (len < 0) { + goto fields_error; + } + *fields = a_fields; + } else { + *fields = NULL; + } + *nr_fields = fields_len / sizeof(*a_fields); + return 0; + +fields_error: + free(a_fields); +alloc_error: + return len; +} + +/* + * Returns 0 on success, negative error value on error. + */ +int ustctl_reply_register_channel(int sock, + uint32_t chan_id, + enum ustctl_channel_header header_type, + int ret_code) +{ + ssize_t len; + struct { + struct ustcomm_notify_hdr header; + struct ustcomm_notify_channel_reply r; + } reply; + + memset(&reply, 0, sizeof(reply)); + reply.header.notify_cmd = USTCTL_NOTIFY_CMD_CHANNEL; + reply.r.ret_code = ret_code; + reply.r.chan_id = chan_id; + switch (header_type) { + case USTCTL_CHANNEL_HEADER_COMPACT: + reply.r.header_type = 1; + break; + case USTCTL_CHANNEL_HEADER_LARGE: + reply.r.header_type = 2; + break; + default: + reply.r.header_type = 0; + break; + } + len = ustcomm_send_unix_sock(sock, &reply, sizeof(reply)); + if (len > 0 && len != sizeof(reply)) + return -EIO; + if (len < 0) + return len; + return 0; +} + +static __attribute__((constructor)) +void ustctl_init(void) +{ + init_usterr(); + lttng_ust_clock_init(); + lttng_ring_buffer_metadata_client_init(); + lttng_ring_buffer_client_overwrite_init(); + lttng_ring_buffer_client_overwrite_rt_init(); + lttng_ring_buffer_client_discard_init(); + lttng_ring_buffer_client_discard_rt_init(); + lib_ringbuffer_signal_init(); +} + +static __attribute__((destructor)) +void ustctl_exit(void) +{ + lttng_ring_buffer_client_discard_rt_exit(); + lttng_ring_buffer_client_discard_exit(); + lttng_ring_buffer_client_overwrite_rt_exit(); + lttng_ring_buffer_client_overwrite_exit(); + lttng_ring_buffer_metadata_client_exit(); +} diff --git a/liblttng-ust-cyg-profile/Makefile.am b/liblttng-ust-cyg-profile/Makefile.am new file mode 100644 index 0000000..d325f53 --- /dev/null +++ b/liblttng-ust-cyg-profile/Makefile.am @@ -0,0 +1,31 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include +AM_CFLAGS = -fno-strict-aliasing + +lib_LTLIBRARIES = liblttng-ust-cyg-profile.la \ + liblttng-ust-cyg-profile-fast.la + +liblttng_ust_cyg_profile_la_SOURCES = \ + lttng-ust-cyg-profile.c \ + lttng-ust-cyg-profile.h +liblttng_ust_cyg_profile_la_LIBADD = \ + -L$(top_builddir)/liblttng-ust/.libs \ + -llttng-ust + +liblttng_ust_cyg_profile_fast_la_SOURCES = \ + lttng-ust-cyg-profile-fast.c \ + lttng-ust-cyg-profile-fast.h +liblttng_ust_cyg_profile_fast_la_LIBADD = \ + -L$(top_builddir)/liblttng-ust/.libs \ + -llttng-ust + +if LTTNG_UST_BUILD_WITH_LIBDL +liblttng_ust_cyg_profile_la_LIBADD += -ldl +liblttng_ust_cyg_profile_fast_la_LIBADD += -ldl +endif +if LTTNG_UST_BUILD_WITH_LIBC_DL +liblttng_ust_cyg_profile_la_LIBADD += -lc +liblttng_ust_cyg_profile_fast_la_LIBADD += -lc +endif + +noinst_SCRIPTS = run run-fast +EXTRA_DIST = run run-fast diff --git a/liblttng-ust-cyg-profile/Makefile.in b/liblttng-ust-cyg-profile/Makefile.in new file mode 100644 index 0000000..363ae55 --- /dev/null +++ b/liblttng-ust-cyg-profile/Makefile.in @@ -0,0 +1,719 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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100644 index 0000000..61ece1f --- /dev/null +++ b/liblttng-ust-cyg-profile/lttng-ust-cyg-profile-fast.c @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2011-2013 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#define _LGPL_SOURCE +#include +#include +#include + +#define TRACEPOINT_DEFINE +#define TRACEPOINT_CREATE_PROBES +#define TP_IP_PARAM func_addr +#include "lttng-ust-cyg-profile-fast.h" + +void __cyg_profile_func_enter(void *this_fn, void *call_site) + __attribute__((no_instrument_function)); + +void __cyg_profile_func_exit(void *this_fn, void *call_site) + __attribute__((no_instrument_function)); + +void __cyg_profile_func_enter(void *this_fn, void *call_site) +{ + tracepoint(lttng_ust_cyg_profile_fast, func_entry, this_fn); +} + +void __cyg_profile_func_exit(void *this_fn, void *call_site) +{ + tracepoint(lttng_ust_cyg_profile_fast, func_exit, this_fn); +} diff --git a/liblttng-ust-cyg-profile/lttng-ust-cyg-profile-fast.h b/liblttng-ust-cyg-profile/lttng-ust-cyg-profile-fast.h new file mode 100644 index 0000000..ea63838 --- /dev/null +++ b/liblttng-ust-cyg-profile/lttng-ust-cyg-profile-fast.h @@ -0,0 +1,64 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER lttng_ust_cyg_profile_fast + +#if !defined(_TRACEPOINT_LTTNG_UST_CYG_PROFILE_FAST_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_LTTNG_UST_CYG_PROFILE_FAST_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Copyright (C) 2011-2013 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +TRACEPOINT_EVENT(lttng_ust_cyg_profile_fast, func_entry, + TP_ARGS(void *, func_addr), + TP_FIELDS( + ctf_integer_hex(unsigned long, addr, + (unsigned long) func_addr) + ) +) + +TRACEPOINT_LOGLEVEL(lttng_ust_cyg_profile_fast, func_entry, + TRACE_DEBUG_FUNCTION) + +TRACEPOINT_EVENT(lttng_ust_cyg_profile_fast, func_exit, + TP_ARGS(void *, func_addr), + TP_FIELDS() +) + +TRACEPOINT_LOGLEVEL(lttng_ust_cyg_profile_fast, func_exit, + TRACE_DEBUG_FUNCTION) + +#endif /* _TRACEPOINT_LTTNG_UST_CYG_PROFILE_FAST_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./lttng-ust-cyg-profile-fast.h" + +/* This part must be outside ifdef protection */ +#include + +#ifdef __cplusplus +} +#endif diff --git a/liblttng-ust-cyg-profile/lttng-ust-cyg-profile.c b/liblttng-ust-cyg-profile/lttng-ust-cyg-profile.c new file mode 100644 index 0000000..c63b39b --- /dev/null +++ b/liblttng-ust-cyg-profile/lttng-ust-cyg-profile.c @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2011-2013 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _LGPL_SOURCE +#define _GNU_SOURCE +#include +#include +#include + +#define TRACEPOINT_DEFINE +#define TRACEPOINT_CREATE_PROBES +#define TP_IP_PARAM func_addr +#include "lttng-ust-cyg-profile.h" + +void __cyg_profile_func_enter(void *this_fn, void *call_site) + __attribute__((no_instrument_function)); + +void __cyg_profile_func_exit(void *this_fn, void *call_site) + __attribute__((no_instrument_function)); + +void __cyg_profile_func_enter(void *this_fn, void *call_site) +{ + tracepoint(lttng_ust_cyg_profile, func_entry, this_fn, call_site); +} + +void __cyg_profile_func_exit(void *this_fn, void *call_site) +{ + tracepoint(lttng_ust_cyg_profile, func_exit, this_fn, call_site); +} diff --git a/liblttng-ust-cyg-profile/lttng-ust-cyg-profile.h b/liblttng-ust-cyg-profile/lttng-ust-cyg-profile.h new file mode 100644 index 0000000..7e5cd69 --- /dev/null +++ b/liblttng-ust-cyg-profile/lttng-ust-cyg-profile.h @@ -0,0 +1,71 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER lttng_ust_cyg_profile + +#if !defined(_TRACEPOINT_LTTNG_UST_CYG_PROFILE_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_LTTNG_UST_CYG_PROFILE_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Copyright (C) 2011-2013 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +TRACEPOINT_EVENT_CLASS(lttng_ust_cyg_profile, func_class, + TP_ARGS(void *, func_addr, void *, call_site), + TP_FIELDS( + ctf_integer_hex(unsigned long, addr, + (unsigned long) func_addr) + ctf_integer_hex(unsigned long, call_site, + (unsigned long) call_site) + ) +) + +TRACEPOINT_EVENT_INSTANCE(lttng_ust_cyg_profile, func_class, + func_entry, + TP_ARGS(void *, func_addr, void *, call_site) +) + +TRACEPOINT_LOGLEVEL(lttng_ust_cyg_profile, func_entry, + TRACE_DEBUG_FUNCTION) + +TRACEPOINT_EVENT_INSTANCE(lttng_ust_cyg_profile, func_class, + func_exit, + TP_ARGS(void *, func_addr, void *, call_site) +) + +TRACEPOINT_LOGLEVEL(lttng_ust_cyg_profile, func_exit, + TRACE_DEBUG_FUNCTION) + +#endif /* _TRACEPOINT_LTTNG_UST_CYG_PROFILE_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./lttng-ust-cyg-profile.h" + +/* This part must be outside ifdef protection */ +#include + +#ifdef __cplusplus +} +#endif diff --git a/liblttng-ust-cyg-profile/run b/liblttng-ust-cyg-profile/run new file mode 100755 index 0000000..b21233e --- /dev/null +++ b/liblttng-ust-cyg-profile/run @@ -0,0 +1,3 @@ +#!/bin/sh + +LD_VERBOSE=1 LD_PRELOAD=.libs/liblttng-ust-cyg-profile.so ${*} diff --git a/liblttng-ust-cyg-profile/run-fast b/liblttng-ust-cyg-profile/run-fast new file mode 100755 index 0000000..dd24a37 --- /dev/null +++ b/liblttng-ust-cyg-profile/run-fast @@ -0,0 +1,3 @@ +#!/bin/sh + +LD_VERBOSE=1 LD_PRELOAD=.libs/liblttng-ust-cyg-profile-fast.so ${*} diff --git a/liblttng-ust-dl/Makefile.am b/liblttng-ust-dl/Makefile.am new file mode 100644 index 0000000..049ac65 --- /dev/null +++ b/liblttng-ust-dl/Makefile.am @@ -0,0 +1,19 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include +AM_CFLAGS = -fno-strict-aliasing + +lib_LTLIBRARIES = liblttng-ust-dl.la +liblttng_ust_dl_la_SOURCES = \ + lttng-ust-dl.c \ + ust_dl.c \ + ust_dl.h +liblttng_ust_dl_la_LIBADD = \ + $(top_builddir)/liblttng-ust/liblttng-ust.la + +if LTTNG_UST_BUILD_WITH_LIBDL +liblttng_ust_dl_la_LIBADD += -ldl +endif +if LTTNG_UST_BUILD_WITH_LIBC_DL +liblttng_ust_dl_la_LIBADD += -lc +endif + +liblttng_ust_dl_la_CFLAGS = -DUST_COMPONENT=liblttng-ust-dl -fno-strict-aliasing diff --git a/liblttng-ust-dl/Makefile.in b/liblttng-ust-dl/Makefile.in new file mode 100644 index 0000000..4d7430f --- /dev/null +++ b/liblttng-ust-dl/Makefile.in @@ -0,0 +1,714 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _LGPL_SOURCE +#define _GNU_SOURCE + +#include +#include +#include +#include + +#include +#include +#include +#include "usterr-signal-safe.h" + +/* Include link.h last else it conflicts with ust-dlfcn. */ +#include + +#define TRACEPOINT_DEFINE +#include "ust_dl.h" + +static void *(*__lttng_ust_plibc_dlopen)(const char *filename, int flag); +static int (*__lttng_ust_plibc_dlclose)(void *handle); + +static +void *_lttng_ust_dl_libc_dlopen(const char *filename, int flag) +{ + if (!__lttng_ust_plibc_dlopen) { + __lttng_ust_plibc_dlopen = dlsym(RTLD_NEXT, "dlopen"); + if (!__lttng_ust_plibc_dlopen) { + fprintf(stderr, "%s\n", dlerror()); + return NULL; + } + } + return __lttng_ust_plibc_dlopen(filename, flag); +} + +static +int _lttng_ust_dl_libc_dlclose(void *handle) +{ + if (!__lttng_ust_plibc_dlclose) { + __lttng_ust_plibc_dlclose = dlsym(RTLD_NEXT, "dlclose"); + if (!__lttng_ust_plibc_dlclose) { + fprintf(stderr, "%s\n", dlerror()); + return -1; + } + } + return __lttng_ust_plibc_dlclose(handle); +} + +static +void lttng_ust_dl_dlopen(void *so_base, const char *so_name, void *ip) +{ + char resolved_path[PATH_MAX]; + struct lttng_ust_elf *elf; + uint64_t memsz; + uint8_t *build_id = NULL; + size_t build_id_len; + char *dbg_file = NULL; + uint32_t crc; + int has_build_id = 0, has_debug_link = 0; + int ret; + + if (!realpath(so_name, resolved_path)) { + ERR("could not resolve path '%s'", so_name); + return; + } + + elf = lttng_ust_elf_create(resolved_path); + if (!elf) { + ERR("could not acces file %s", resolved_path); + return; + } + + ret = lttng_ust_elf_get_memsz(elf, &memsz); + if (ret) { + goto end; + } + ret = lttng_ust_elf_get_build_id( + elf, &build_id, &build_id_len, &has_build_id); + if (ret) { + goto end; + } + ret = lttng_ust_elf_get_debug_link( + elf, &dbg_file, &crc, &has_debug_link); + if (ret) { + goto end; + } + + tracepoint(lttng_ust_dl, dlopen, + ip, so_base, resolved_path, memsz, + has_build_id, has_debug_link); + + if (has_build_id) { + tracepoint(lttng_ust_dl, build_id, + ip, so_base, build_id, build_id_len); + } + + if (has_debug_link) { + tracepoint(lttng_ust_dl, debug_link, + ip, so_base, dbg_file, crc); + } + +end: + free(dbg_file); + free(build_id); + lttng_ust_elf_destroy(elf); + return; +} + +void *dlopen(const char *filename, int flag) +{ + void *handle; + + handle = _lttng_ust_dl_libc_dlopen(filename, flag); + if (__tracepoint_ptrs_registered && handle) { + struct link_map *p = NULL; + int ret; + + ret = dlinfo(handle, RTLD_DI_LINKMAP, &p); + if (ret != -1 && p != NULL && p->l_addr != 0) { + lttng_ust_dl_dlopen((void *) p->l_addr, p->l_name, + LTTNG_UST_CALLER_IP()); + } + } + + return handle; +} + +int dlclose(void *handle) +{ + if (__tracepoint_ptrs_registered) { + struct link_map *p = NULL; + int ret; + + ret = dlinfo(handle, RTLD_DI_LINKMAP, &p); + if (ret != -1 && p != NULL && p->l_addr != 0) { + tracepoint(lttng_ust_dl, dlclose, + LTTNG_UST_CALLER_IP(), + (void *) p->l_addr); + } + } + + return _lttng_ust_dl_libc_dlclose(handle); +} diff --git a/liblttng-ust-dl/ust_dl.c b/liblttng-ust-dl/ust_dl.c new file mode 100644 index 0000000..b25ba7b --- /dev/null +++ b/liblttng-ust-dl/ust_dl.c @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2013 Paul Woegerer + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _LGPL_SOURCE +#define TRACEPOINT_CREATE_PROBES +#define TP_IP_PARAM ip +#include "ust_dl.h" diff --git a/liblttng-ust-dl/ust_dl.h b/liblttng-ust-dl/ust_dl.h new file mode 100644 index 0000000..24c9b70 --- /dev/null +++ b/liblttng-ust-dl/ust_dl.h @@ -0,0 +1,98 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER lttng_ust_dl + +#if !defined(_TRACEPOINT_UST_DL_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_DL_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Copyright (C) 2013 Paul Woegerer + * Copyright (C) 2015 Antoine Busque + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include + +#define LTTNG_UST_DL_PROVIDER +#include + +TRACEPOINT_EVENT(lttng_ust_dl, dlopen, + TP_ARGS(void *, ip, void *, baddr, const char*, path, + uint64_t, memsz, uint8_t, has_build_id, + uint8_t, has_debug_link), + TP_FIELDS( + ctf_integer_hex(void *, baddr, baddr) + ctf_integer(uint64_t, memsz, memsz) + ctf_string(path, path) + ctf_integer(uint8_t, has_build_id, has_build_id) + ctf_integer(uint8_t, has_debug_link, has_debug_link) + ) +) + +TRACEPOINT_EVENT(lttng_ust_dl, build_id, + TP_ARGS( + void *, ip, + void *, baddr, + uint8_t *, build_id, + size_t, build_id_len + ), + TP_FIELDS( + ctf_integer_hex(void *, baddr, baddr) + ctf_sequence_hex(uint8_t, build_id, build_id, + size_t, build_id_len) + ) +) + +TRACEPOINT_EVENT(lttng_ust_dl, debug_link, + TP_ARGS( + void *, ip, + void *, baddr, + char *, filename, + uint32_t, crc + ), + TP_FIELDS( + ctf_integer_hex(void *, baddr, baddr) + ctf_integer(uint32_t, crc, crc) + ctf_string(filename, filename) + ) +) + +TRACEPOINT_EVENT(lttng_ust_dl, dlclose, + TP_ARGS(void *, ip, void *, baddr), + TP_FIELDS( + ctf_integer_hex(void *, baddr, baddr) + ) +) + +#endif /* _TRACEPOINT_UST_DL_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_dl.h" + +/* This part must be outside ifdef protection */ +#include + +#ifdef __cplusplus +} +#endif diff --git a/liblttng-ust-fork/Makefile.am b/liblttng-ust-fork/Makefile.am new file mode 100644 index 0000000..aea276e --- /dev/null +++ b/liblttng-ust-fork/Makefile.am @@ -0,0 +1,16 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include +AM_CFLAGS = -fno-strict-aliasing + +lib_LTLIBRARIES = liblttng-ust-fork.la +liblttng_ust_fork_la_SOURCES = ustfork.c +liblttng_ust_fork_la_LIBADD = \ + $(top_builddir)/liblttng-ust/liblttng-ust.la + +if LTTNG_UST_BUILD_WITH_LIBDL +liblttng_ust_fork_la_LIBADD += -ldl +endif +if LTTNG_UST_BUILD_WITH_LIBC_DL +liblttng_ust_fork_la_LIBADD += -lc +endif + +liblttng_ust_fork_la_CFLAGS = -DUST_COMPONENT=liblttng-ust-fork -fno-strict-aliasing diff --git a/liblttng-ust-fork/Makefile.in b/liblttng-ust-fork/Makefile.in new file mode 100644 index 0000000..5364995 --- /dev/null +++ b/liblttng-ust-fork/Makefile.in @@ -0,0 +1,701 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include + +#include + +pid_t fork(void) +{ + static pid_t (*plibc_func)(void) = NULL; + sigset_t sigset; + pid_t retval; + + if (plibc_func == NULL) { + plibc_func = dlsym(RTLD_NEXT, "fork"); + if (plibc_func == NULL) { + fprintf(stderr, "libustfork: unable to find \"fork\" symbol\n"); + errno = ENOSYS; + return -1; + } + } + + ust_before_fork(&sigset); + /* Do the real fork */ + retval = plibc_func(); + if (retval == 0) { + /* child */ + ust_after_fork_child(&sigset); + } else { + ust_after_fork_parent(&sigset); + } + return retval; +} + +int daemon(int nochdir, int noclose) +{ + static int (*plibc_func)(int nochdir, int noclose) = NULL; + sigset_t sigset; + int retval; + + if (plibc_func == NULL) { + plibc_func = dlsym(RTLD_NEXT, "daemon"); + if (plibc_func == NULL) { + fprintf(stderr, "libustfork: unable to find \"daemon\" symbol\n"); + errno = ENOSYS; + return -1; + } + } + + ust_before_fork(&sigset); + /* Do the real daemon call */ + retval = plibc_func(nochdir, noclose); + if (retval == 0) { + /* child, parent called _exit() directly */ + ust_after_fork_child(&sigset); + } else { + /* on error in the parent */ + ust_after_fork_parent(&sigset); + } + return retval; +} + +#ifdef __linux__ + +struct user_desc; + +struct ustfork_clone_info { + int (*fn)(void *); + void *arg; + sigset_t sigset; +}; + +static int clone_fn(void *arg) +{ + struct ustfork_clone_info *info = (struct ustfork_clone_info *) arg; + + /* clone is now done and we are in child */ + ust_after_fork_child(&info->sigset); + return info->fn(info->arg); +} + +int clone(int (*fn)(void *), void *child_stack, int flags, void *arg, ...) +{ + static int (*plibc_func)(int (*fn)(void *), void *child_stack, + int flags, void *arg, pid_t *ptid, + struct user_desc *tls, pid_t *ctid) = NULL; + /* var args */ + pid_t *ptid; + struct user_desc *tls; + pid_t *ctid; + /* end of var args */ + va_list ap; + int retval; + + va_start(ap, arg); + ptid = va_arg(ap, pid_t *); + tls = va_arg(ap, struct user_desc *); + ctid = va_arg(ap, pid_t *); + va_end(ap); + + if (plibc_func == NULL) { + plibc_func = dlsym(RTLD_NEXT, "clone"); + if (plibc_func == NULL) { + fprintf(stderr, "libustfork: unable to find \"clone\" symbol.\n"); + errno = ENOSYS; + return -1; + } + } + + if (flags & CLONE_VM) { + /* + * Creating a thread, no need to intervene, just pass on + * the arguments. + */ + retval = plibc_func(fn, child_stack, flags, arg, ptid, + tls, ctid); + } else { + /* Creating a real process, we need to intervene. */ + struct ustfork_clone_info info = { .fn = fn, .arg = arg }; + + ust_before_fork(&info.sigset); + retval = plibc_func(clone_fn, child_stack, flags, &info, + ptid, tls, ctid); + /* The child doesn't get here. */ + ust_after_fork_parent(&info.sigset); + } + return retval; +} + +#elif defined (__FreeBSD__) + +pid_t rfork(int flags) +{ + static pid_t (*plibc_func)(void) = NULL; + sigset_t sigset; + pid_t retval; + + if (plibc_func == NULL) { + plibc_func = dlsym(RTLD_NEXT, "rfork"); + if (plibc_func == NULL) { + fprintf(stderr, "libustfork: unable to find \"rfork\" symbol\n"); + errno = ENOSYS; + return -1; + } + } + + ust_before_fork(&sigset); + /* Do the real rfork */ + retval = plibc_func(); + if (retval == 0) { + /* child */ + ust_after_fork_child(&sigset); + } else { + ust_after_fork_parent(&sigset); + } + return retval; +} + +/* + * On BSD, no need to override vfork, because it runs in the context of + * the parent, with parent waiting until execve or exit is executed in + * the child. + */ + +#else +#warning "Unknown OS. You might want to ensure that fork/clone/vfork/fork handling is complete." +#endif diff --git a/liblttng-ust-java-agent/Makefile.am b/liblttng-ust-java-agent/Makefile.am new file mode 100644 index 0000000..7ce122f --- /dev/null +++ b/liblttng-ust-java-agent/Makefile.am @@ -0,0 +1 @@ +SUBDIRS = java jni diff --git a/liblttng-ust-java-agent/Makefile.in b/liblttng-ust-java-agent/Makefile.in new file mode 100644 index 0000000..62f0053 --- /dev/null +++ b/liblttng-ust-java-agent/Makefile.in @@ -0,0 +1,656 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ +VPATH = @srcdir@ +am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)' +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; 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b/liblttng-ust-java-agent/java/lttng-ust-agent-common/Manifest.txt new file mode 100644 index 0000000..d3c7e26 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/Manifest.txt @@ -0,0 +1,7 @@ +Name: org/lttng/ust/agent/ +Specification-Title: LTTng UST Java Agent +Specification-Version: 1.0.0 +Specification-Vendor: LTTng Project +Implementation-Title: org.lttng.ust.agent +Implementation-Version: 1.0.0 +Implementation-Vendor: LTTng Project diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/AbstractLttngAgent.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/AbstractLttngAgent.java new file mode 100644 index 0000000..a588036 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/AbstractLttngAgent.java @@ -0,0 +1,396 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * Copyright (C) 2013 - David Goulet + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent; + +import java.util.Collection; +import java.util.HashSet; +import java.util.Map; +import java.util.NavigableMap; +import java.util.Set; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentSkipListMap; +import java.util.concurrent.atomic.AtomicInteger; + +import org.lttng.ust.agent.client.ILttngTcpClientListener; +import org.lttng.ust.agent.client.LttngTcpSessiondClient; +import org.lttng.ust.agent.filter.FilterChangeNotifier; +import org.lttng.ust.agent.session.EventRule; +import org.lttng.ust.agent.utils.LttngUstAgentLogger; + +/** + * Base implementation of a {@link ILttngAgent}. + * + * @author Alexandre Montplaisir + * @param + * The type of logging handler that should register to this agent + */ +public abstract class AbstractLttngAgent + implements ILttngAgent, ILttngTcpClientListener { + + private static final String WILDCARD = "*"; + private static final int INIT_TIMEOUT = 3; /* Seconds */ + + /** The handlers registered to this agent */ + private final Set registeredHandlers = new HashSet(); + + /** + * The trace events currently enabled in the sessions. + * + * The key represents the event name, the value is the ref count (how many + * different sessions currently have this event enabled). Once the ref count + * falls to 0, this means we can avoid sending log events through JNI + * because nobody wants them. + * + * It uses a concurrent hash map, so that the {@link #isEventEnabled} and + * read methods do not need to take a synchronization lock. + */ + private final Map enabledEvents = new ConcurrentHashMap(); + + /** + * The trace events prefixes currently enabled in the sessions, which means + * the event names finishing in *, like "abcd*". We track them separately + * from the standard event names, so that we can use {@link String#equals} + * and {@link String#startsWith} appropriately. + * + * We track the lone wildcard "*" separately, in {@link #enabledWildcards}. + */ + private final NavigableMap enabledEventPrefixes = + new ConcurrentSkipListMap(); + + /** Number of sessions currently enabling the wildcard "*" event */ + private final AtomicInteger enabledWildcards = new AtomicInteger(0); + + /** + * The application contexts currently enabled in the tracing sessions. + * + * It is first indexed by context retriever, then by context name. This + * allows to efficiently query all the contexts for a given retriever. + * + * Works similarly as {@link #enabledEvents}, but for app contexts (and with + * an extra degree of indexing). + * + * TODO Could be changed to a Guava Table once/if we start using it. + */ + private final Map> enabledAppContexts = new ConcurrentHashMap>(); + + /** Tracing domain. Defined by the sub-classes via the constructor. */ + private final Domain domain; + + /* Lazy-loaded sessiond clients and their thread objects */ + private LttngTcpSessiondClient rootSessiondClient = null; + private LttngTcpSessiondClient userSessiondClient = null; + private Thread rootSessiondClientThread = null; + private Thread userSessiondClientThread = null; + + /** Indicates if this agent has been initialized. */ + private boolean initialized = false; + + /** + * Constructor. Should only be called by sub-classes via super(...); + * + * @param domain + * The tracing domain of this agent. + */ + protected AbstractLttngAgent(Domain domain) { + this.domain = domain; + } + + @Override + public Domain getDomain() { + return domain; + } + + @Override + public void registerHandler(T handler) { + synchronized (registeredHandlers) { + if (registeredHandlers.isEmpty()) { + /* + * This is the first handler that registers, we will initialize + * the agent. + */ + init(); + } + registeredHandlers.add(handler); + } + } + + @Override + public void unregisterHandler(T handler) { + synchronized (registeredHandlers) { + registeredHandlers.remove(handler); + if (registeredHandlers.isEmpty()) { + /* There are no more registered handlers, close the connection. */ + dispose(); + } + } + } + + private void init() { + /* + * Only called from a synchronized (registeredHandlers) block, should + * not need additional synchronization. + */ + if (initialized) { + return; + } + + LttngUstAgentLogger.log(AbstractLttngAgent.class, "Initializing Agent for domain: " + domain.name()); + + String rootClientThreadName = "Root sessiond client started by agent: " + this.getClass().getSimpleName(); + + rootSessiondClient = new LttngTcpSessiondClient(this, getDomain().value(), true); + rootSessiondClientThread = new Thread(rootSessiondClient, rootClientThreadName); + rootSessiondClientThread.setDaemon(true); + rootSessiondClientThread.start(); + + String userClientThreadName = "User sessiond client started by agent: " + this.getClass().getSimpleName(); + + userSessiondClient = new LttngTcpSessiondClient(this, getDomain().value(), false); + userSessiondClientThread = new Thread(userSessiondClient, userClientThreadName); + userSessiondClientThread.setDaemon(true); + userSessiondClientThread.start(); + + /* Give the threads' registration a chance to end. */ + if (!rootSessiondClient.waitForConnection(INIT_TIMEOUT)) { + userSessiondClient.waitForConnection(INIT_TIMEOUT); + } + + initialized = true; + } + + /** + * Dispose the agent + */ + private void dispose() { + LttngUstAgentLogger.log(AbstractLttngAgent.class, "Disposing Agent for domain: " + domain.name()); + + /* + * Only called from a synchronized (registeredHandlers) block, should + * not need additional synchronization. + */ + rootSessiondClient.close(); + userSessiondClient.close(); + + try { + rootSessiondClientThread.join(); + userSessiondClientThread.join(); + + } catch (InterruptedException e) { + e.printStackTrace(); + } + rootSessiondClient = null; + rootSessiondClientThread = null; + userSessiondClient = null; + userSessiondClientThread = null; + + /* + * Send filter change notifications for all event rules currently + * active, then clear them. + */ + FilterChangeNotifier fcn = FilterChangeNotifier.getInstance(); + + for (Map.Entry entry : enabledEvents.entrySet()) { + String eventName = entry.getKey(); + Integer nb = entry.getValue(); + for (int i = 0; i < nb.intValue(); i++) { + fcn.removeEventRules(eventName); + } + } + enabledEvents.clear(); + + for (Map.Entry entry : enabledEventPrefixes.entrySet()) { + /* Re-add the * at the end, the FCN tracks the rules that way */ + String eventName = (entry.getKey() + "*"); + Integer nb = entry.getValue(); + for (int i = 0; i < nb.intValue(); i++) { + fcn.removeEventRules(eventName); + } + } + enabledEventPrefixes.clear(); + + int wildcardRules = enabledWildcards.getAndSet(0); + for (int i = 0; i < wildcardRules; i++) { + fcn.removeEventRules(WILDCARD); + } + + /* + * Also clear tracked app contexts (no filter notifications sent for + * those currently). + */ + enabledAppContexts.clear(); + + initialized = false; + } + + @Override + public boolean eventEnabled(EventRule eventRule) { + /* Notify the filter change manager of the command */ + FilterChangeNotifier.getInstance().addEventRule(eventRule); + + String eventName = eventRule.getEventName(); + + if (eventName.equals(WILDCARD)) { + enabledWildcards.incrementAndGet(); + return true; + } + if (eventName.endsWith(WILDCARD)) { + /* Strip the "*" from the name. */ + String prefix = eventName.substring(0, eventName.length() - 1); + return incrementRefCount(prefix, enabledEventPrefixes); + } + + return incrementRefCount(eventName, enabledEvents); + } + + @Override + public boolean eventDisabled(String eventName) { + /* Notify the filter change manager of the command */ + FilterChangeNotifier.getInstance().removeEventRules(eventName); + + if (eventName.equals(WILDCARD)) { + int newCount = enabledWildcards.decrementAndGet(); + if (newCount < 0) { + /* Event was not enabled, bring the count back to 0 */ + enabledWildcards.incrementAndGet(); + return false; + } + return true; + } + + if (eventName.endsWith(WILDCARD)) { + /* Strip the "*" from the name. */ + String prefix = eventName.substring(0, eventName.length() - 1); + return decrementRefCount(prefix, enabledEventPrefixes); + } + + return decrementRefCount(eventName, enabledEvents); + } + + @Override + public boolean appContextEnabled(String contextRetrieverName, String contextName) { + synchronized (enabledAppContexts) { + Map retrieverMap = enabledAppContexts.get(contextRetrieverName); + if (retrieverMap == null) { + /* There is no submap for this retriever, let's create one. */ + retrieverMap = new ConcurrentHashMap(); + enabledAppContexts.put(contextRetrieverName, retrieverMap); + } + + return incrementRefCount(contextName, retrieverMap); + } + } + + @Override + public boolean appContextDisabled(String contextRetrieverName, String contextName) { + synchronized (enabledAppContexts) { + Map retrieverMap = enabledAppContexts.get(contextRetrieverName); + if (retrieverMap == null) { + /* There was no submap for this retriever, invalid command? */ + return false; + } + + boolean ret = decrementRefCount(contextName, retrieverMap); + + /* If the submap is now empty we can remove it from the main map. */ + if (retrieverMap.isEmpty()) { + enabledAppContexts.remove(contextRetrieverName); + } + + return ret; + } + } + + /* + * Implementation of this method is domain-specific. + */ + @Override + public abstract Collection listAvailableEvents(); + + @Override + public boolean isEventEnabled(String eventName) { + /* If at least one session enabled the "*" wildcard, send the event */ + if (enabledWildcards.get() > 0) { + return true; + } + + /* Check if at least one session wants this exact event name */ + if (enabledEvents.containsKey(eventName)) { + return true; + } + + /* Look in the enabled prefixes if one of them matches the event */ + String potentialMatch = enabledEventPrefixes.floorKey(eventName); + if (potentialMatch != null && eventName.startsWith(potentialMatch)) { + return true; + } + + return false; + } + + @Override + public Collection>> getEnabledAppContexts() { + return enabledAppContexts.entrySet(); + } + + private static boolean incrementRefCount(String key, Map refCountMap) { + synchronized (refCountMap) { + Integer count = refCountMap.get(key); + if (count == null) { + /* This is the first instance of this event being enabled */ + refCountMap.put(key, Integer.valueOf(1)); + return true; + } + if (count.intValue() <= 0) { + /* It should not have been in the map in the first place! */ + throw new IllegalStateException(); + } + /* The event was already enabled, increment its refcount */ + refCountMap.put(key, Integer.valueOf(count.intValue() + 1)); + return true; + } + } + + private static boolean decrementRefCount(String key, Map refCountMap) { + synchronized (refCountMap) { + Integer count = refCountMap.get(key); + if (count == null || count.intValue() <= 0) { + /* + * The sessiond asked us to disable an event that was not + * enabled previously. Command error? + */ + return false; + } + if (count.intValue() == 1) { + /* + * This is the last instance of this event being disabled, + * remove it from the map so that we stop sending it. + */ + refCountMap.remove(key); + return true; + } + /* + * Other sessions are still looking for this event, simply decrement + * its refcount. + */ + refCountMap.put(key, Integer.valueOf(count.intValue() - 1)); + return true; + } + } +} + diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/ILttngAgent.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/ILttngAgent.java new file mode 100644 index 0000000..5de0924 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/ILttngAgent.java @@ -0,0 +1,107 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent; + +import java.util.Collection; +import java.util.Map; + +/** + * Interface to define LTTng Java agents. + * + * An "agent" is a representative of an LTTng session daemon in the Java world. + * It tracks the settings of a tracing session as they defined in the session + * daemon. + * + * It also track the current logging handlers that are sending events to UST. + * + * @author Alexandre Montplaisir + * + * @param + * The type of logging handler that should register to this agent + */ +public interface ILttngAgent { + + // ------------------------------------------------------------------------ + // Agent configuration elements + // ------------------------------------------------------------------------ + + /** + * Tracing domains. Corresponds to domains defined by LTTng Tools. + */ + enum Domain { + JUL(3), LOG4J(4); + private int value; + + private Domain(int value) { + this.value = value; + } + + public int value() { + return value; + } + } + + /** + * The tracing domain of this agent. + * + * @return The tracing domain. + */ + Domain getDomain(); + + // ------------------------------------------------------------------------ + // Log handler registering + // ------------------------------------------------------------------------ + + /** + * Register a handler to this agent. + * + * @param handler + * The handler to register + */ + void registerHandler(T handler); + + /** + * Deregister a handler from this agent. + * + * @param handler + * The handler to deregister. + */ + void unregisterHandler(T handler); + + // ------------------------------------------------------------------------ + // Tracing session parameters + // ------------------------------------------------------------------------ + + /** + * Query if a given event is currently enabled in a current tracing session, + * meaning it should be sent to UST. + * + * @param eventName + * The name of the event to check. + * @return True if the event is currently enabled, false if it is not. + */ + boolean isEventEnabled(String eventName); + + /** + * Return the list of application contexts enabled in the tracing sessions. + * + * @return The application contexts, first indexed by retriever name, then + * by context name + */ + Collection>> getEnabledAppContexts(); +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/ILttngHandler.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/ILttngHandler.java new file mode 100644 index 0000000..f3ffab8 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/ILttngHandler.java @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent; + +/** + * Simple interface to organize all LTTng log handlers under one type. + * + * @author Alexandre Montplaisir + */ +public interface ILttngHandler { + + /** + * Get the number of events logged by this handler since its inception. + * + * @return The number of logged events + */ + long getEventCount(); + + /** + * Close the log handler. Should be called once the application is done + * logging through it. + */ + void close(); +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/LTTngAgent.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/LTTngAgent.java new file mode 100644 index 0000000..ebbe235 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/LTTngAgent.java @@ -0,0 +1,291 @@ +/* + * Copyright (C) 2013 - David Goulet + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent; + +import java.lang.reflect.Constructor; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.util.logging.Handler; +import java.util.logging.Logger; + +/** + * The central agent managing the JUL and Log4j handlers. + * + * @author David Goulet + * @deprecated Applications are now expected to manage their Logger and Handler + * objects. + */ +@Deprecated +public class LTTngAgent { + + private static LTTngAgent instance = null; + + /** + * Public getter to acquire a reference to this singleton object. + * + * @return The agent instance + */ + public static synchronized LTTngAgent getLTTngAgent() { + if (instance == null) { + instance = new LTTngAgent(); + } + return instance; + } + + /** + * Dispose the agent. Applications should call this once they are done + * logging. This dispose function is non-static for backwards + * compatibility purposes. + */ + @SuppressWarnings("static-method") + public void dispose() { + synchronized (LTTngAgent.class) { + if (instance != null) { + instance.disposeInstance(); + instance = null; + } + } + return; + } + + private ILttngHandler julHandler = null; + private ILttngHandler log4jAppender = null; + + /** + * Private constructor. This is a singleton and a reference should be + * acquired using {@link #getLTTngAgent()}. + */ + private LTTngAgent() { + initJulHandler(); + initLog4jAppender(); + } + + /** + * "Destructor" method. + */ + private void disposeInstance() { + disposeJulHandler(); + disposeLog4jAppender(); + } + + /** + * Create a LTTng-JUL handler, and attach it to the JUL root logger. + */ + private void initJulHandler() { + try { + Class julHandlerClass = Class.forName("org.lttng.ust.agent.jul.LttngLogHandler"); + /* + * It is safer to use Constructor.newInstance() rather than + * Class.newInstance(), because it will catch the exceptions thrown + * by the constructor below (which happens if the Java library is + * present, but the matching JNI one is not). + */ + Constructor julHandlerCtor = julHandlerClass.getConstructor(); + julHandler = (ILttngHandler) julHandlerCtor.newInstance(); + + /* Attach the handler to the root JUL logger */ + Logger.getLogger("").addHandler((Handler) julHandler); + + /* + * If any of the following exceptions happen, it means we could not + * find or initialize LTTng JUL classes. We will not setup LTTng JUL + * tracing in this case. + */ + } catch (SecurityException e) { + } catch (IllegalAccessException e) { + } catch (IllegalArgumentException e) { + } catch (ClassNotFoundException e) { + } catch (NoSuchMethodException e) { + } catch (InstantiationException e) { + } catch (InvocationTargetException e) { + } + } + + /** + * Create a LTTng-logj4 appender, and attach it to the log4j root logger. + */ + private void initLog4jAppender() { + /* + * Since Log4j is a 3rd party library, we first need to check if we can + * load any of its classes. + */ + if (!testLog4jClasses()) { + return; + } + + try { + Class log4jAppenderClass = Class.forName("org.lttng.ust.agent.log4j.LttngLogAppender"); + Constructor log4jAppendCtor = log4jAppenderClass.getConstructor(); + log4jAppender = (ILttngHandler) log4jAppendCtor.newInstance(); + + /* + * If any of the following exceptions happen, it means we could not + * find or initialize LTTng log4j classes. We will not setup LTTng + * log4j tracing in this case. + */ + } catch (SecurityException e) { + return; + } catch (ClassNotFoundException e) { + return; + } catch (NoSuchMethodException e) { + return; + } catch (IllegalArgumentException e) { + return; + } catch (InstantiationException e) { + return; + } catch (IllegalAccessException e) { + return; + } catch (InvocationTargetException e) { + return; + } + + /* + * Attach the appender to the root Log4j logger. Slightly more tricky + * here, as log4j.Logger is not in the base Java library, and we do not + * want the "common" package to depend on log4j. So we have to obtain it + * through reflection too. + */ + try { + Class loggerClass = Class.forName("org.apache.log4j.Logger"); + Class appenderClass = Class.forName("org.apache.log4j.Appender"); + + Method getRootLoggerMethod = loggerClass.getMethod("getRootLogger", (Class[]) null); + Method addAppenderMethod = loggerClass.getMethod("addAppender", appenderClass); + + Object rootLogger = getRootLoggerMethod.invoke(null, (Object[]) null); + addAppenderMethod.invoke(rootLogger, log4jAppender); + + /* + * We have checked for the log4j library version previously, none of + * the following exceptions should happen. + */ + } catch (SecurityException e) { + throw new IllegalStateException(e); + } catch (ClassNotFoundException e) { + throw new IllegalStateException(e); + } catch (NoSuchMethodException e) { + throw new IllegalStateException(e); + } catch (IllegalArgumentException e) { + throw new IllegalStateException(e); + } catch (IllegalAccessException e) { + throw new IllegalStateException(e); + } catch (InvocationTargetException e) { + throw new IllegalStateException(e); + } + } + + /** + * Check if log4j >= 1.2.15 library is present. + */ + private static boolean testLog4jClasses() { + Class loggingEventClass; + + try { + loggingEventClass = Class.forName("org.apache.log4j.spi.LoggingEvent"); + } catch (ClassNotFoundException e) { + /* + * Log4j classes not found, no need to create the relevant objects + */ + return false; + } + + /* + * Detect capabilities of the log4j library. We only support log4j >= + * 1.2.15. The getTimeStamp() method was introduced in log4j 1.2.15, so + * verify that it is available. + * + * We can't rely on the getPackage().getImplementationVersion() call + * that would retrieves information from the manifest file found in the + * JAR since the manifest file shipped from upstream is known to be + * broken in several versions of the library. + * + * More info: https://issues.apache.org/bugzilla/show_bug.cgi?id=44370 + */ + try { + loggingEventClass.getDeclaredMethod("getTimeStamp"); + } catch (NoSuchMethodException e) { + System.err.println( + "Warning: The loaded log4j library is too old. Log4j tracing with LTTng will be disabled."); + return false; + } catch (SecurityException e) { + return false; + } + + return true; + } + + /** + * Detach the JUL handler from its logger and close it. + */ + private void disposeJulHandler() { + if (julHandler == null) { + /* The JUL handler was not activated, we have nothing to do */ + return; + } + Logger.getLogger("").removeHandler((Handler) julHandler); + julHandler.close(); + julHandler = null; + } + + /** + * Detach the log4j appender from its logger and close it. + */ + private void disposeLog4jAppender() { + if (log4jAppender == null) { + /* The log4j appender was not active, we have nothing to do */ + return; + } + + /* + * Detach the appender from the log4j root logger. Again, we have to do + * this via reflection. + */ + try { + Class loggerClass = Class.forName("org.apache.log4j.Logger"); + Class appenderClass = Class.forName("org.apache.log4j.Appender"); + + Method getRootLoggerMethod = loggerClass.getMethod("getRootLogger", (Class[]) null); + Method removeAppenderMethod = loggerClass.getMethod("removeAppender", appenderClass); + + Object rootLogger = getRootLoggerMethod.invoke(null, (Object[]) null); + removeAppenderMethod.invoke(rootLogger, log4jAppender); + + /* + * We were able to attach the appender previously, we should not + * have problems here either! + */ + } catch (SecurityException e) { + throw new IllegalStateException(e); + } catch (ClassNotFoundException e) { + throw new IllegalStateException(e); + } catch (NoSuchMethodException e) { + throw new IllegalStateException(e); + } catch (IllegalArgumentException e) { + throw new IllegalStateException(e); + } catch (IllegalAccessException e) { + throw new IllegalStateException(e); + } catch (InvocationTargetException e) { + throw new IllegalStateException(e); + } + + /* Close the appender */ + log4jAppender.close(); + log4jAppender = null; + } + +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/ILttngTcpClientListener.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/ILttngTcpClientListener.java new file mode 100644 index 0000000..2118973 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/ILttngTcpClientListener.java @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.client; + +import java.util.Collection; + +import org.lttng.ust.agent.session.EventRule; + +/** + * TCP client listener interface. + * + * This interface contains callbacks that are called when the TCP client + * receives commands from the session daemon. These callbacks will define what + * do to with each command. + * + * @author Alexandre Montplaisir + */ +public interface ILttngTcpClientListener { + + /** + * Callback for the TCP client to notify the listener agent that a request + * for enabling an event rule was sent from the session daemon. + * + * @param eventRule + * The event rule that was requested to be enabled + * @return Since we do not track individual sessions, right now this command + * cannot fail. It will always return true. + */ + boolean eventEnabled(EventRule eventRule); + + /** + * Callback for the TCP client to notify the listener agent that a request + * for disabling an event was sent from the session daemon. + * + * @param eventName + * The name of the event that was requested to be disabled. + * @return True if the command completed successfully, false if we should + * report an error (event was not enabled, etc.) + */ + boolean eventDisabled(String eventName); + + /** + * Callback for the TCP client to notify the listener agent that a request + * for enabling an application-specific context was sent from the session + * daemon. + * + * @param contextRetrieverName + * The name of the retriever in which the context is present. + * This is used to namespace the contexts. + * @param contextName + * The name of the context that was requested to be enabled + * @return Since we do not track individual sessions, right now this command + * cannot fail. It will always return true. + */ + boolean appContextEnabled(String contextRetrieverName, String contextName); + + /** + * Callback for the TCP client to notify the listener agent that a request + * for disabling an application-specific context was sent from the session + * daemon. + * + * @param contextRetrieverName + * The name of the retriever in which the context is present. + * This is used to namespace the contexts. + * @param contextName + * The name of the context that was requested to be disabled. + * @return True if the command completed successfully, false if we should + * report an error (context was not previously enabled for example) + */ + boolean appContextDisabled(String contextRetrieverName, String contextName); + + /** + * List the events that are available in the agent's tracing domain. + * + * In Java terms, this means loggers that have at least one LTTng log + * handler of their corresponding domain attached. + * + * @return The list of available events + */ + Collection listAvailableEvents(); +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/LttngAgentResponse.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/LttngAgentResponse.java new file mode 100644 index 0000000..40c38a5 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/LttngAgentResponse.java @@ -0,0 +1,91 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * Copyright (C) 2013 - David Goulet + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.client; + +import java.nio.ByteBuffer; +import java.nio.ByteOrder; + +/** + * Interface for all response messages sent from the Java agent to the sessiond + * daemon. Normally sent after a command coming from the session daemon was + * executed. + * + * @author Alexandre Montplaisir + */ +abstract class LttngAgentResponse { + + private static final int INT_SIZE = 4; + + /** + * Return codes used in agent responses, to indicate success or different + * types of failures of the commands. + */ + protected enum ReturnCode { + + CODE_SUCCESS_CMD(1), + CODE_INVALID_CMD(2), + CODE_UNKNOWN_LOGGER_NAME(3); + + private int code; + + private ReturnCode(int c) { + code = c; + } + + public int getCode() { + return code; + } + } + + /** + * Get the {@link ReturnCode} that goes with this response. It is expected + * by the session daemon, but some commands may require more than this + * in their response. + * + * @return The return code + */ + public abstract ReturnCode getReturnCode(); + + /** + * Gets a byte array of the response so that it may be streamed. + * + * @return The byte array of the response + */ + public byte[] getBytes() { + byte data[] = new byte[INT_SIZE]; + ByteBuffer buf = ByteBuffer.wrap(data); + buf.order(ByteOrder.BIG_ENDIAN); + buf.putInt(getReturnCode().getCode()); + return data; + } + + public static final LttngAgentResponse SUCESS_RESPONSE = new LttngAgentResponse() { + @Override + public ReturnCode getReturnCode() { + return ReturnCode.CODE_SUCCESS_CMD; + } + }; + + public static final LttngAgentResponse FAILURE_RESPONSE = new LttngAgentResponse() { + @Override + public ReturnCode getReturnCode() { + return ReturnCode.CODE_INVALID_CMD; + } + }; +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/LttngTcpSessiondClient.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/LttngTcpSessiondClient.java new file mode 100644 index 0000000..f78fdbd --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/LttngTcpSessiondClient.java @@ -0,0 +1,397 @@ +/* + * Copyright (C) 2015-2016 EfficiOS Inc., Alexandre Montplaisir + * Copyright (C) 2013 - David Goulet + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.client; + +import java.io.BufferedReader; +import java.io.DataInputStream; +import java.io.DataOutputStream; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.InputStreamReader; +import java.lang.management.ManagementFactory; +import java.net.Socket; +import java.net.UnknownHostException; +import java.nio.ByteBuffer; +import java.nio.ByteOrder; +import java.nio.charset.Charset; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; + +import org.lttng.ust.agent.utils.LttngUstAgentLogger; + +/** + * Client for agents to connect to a local session daemon, using a TCP socket. + * + * @author David Goulet + */ +public class LttngTcpSessiondClient implements Runnable { + + private static final String SESSION_HOST = "127.0.0.1"; + private static final String ROOT_PORT_FILE = "/var/run/lttng/agent.port"; + private static final String USER_PORT_FILE = "/.lttng/agent.port"; + private static final Charset PORT_FILE_ENCODING = Charset.forName("UTF-8"); + + private static final int PROTOCOL_MAJOR_VERSION = 2; + private static final int PROTOCOL_MINOR_VERSION = 0; + + /** Command header from the session deamon. */ + private final CountDownLatch registrationLatch = new CountDownLatch(1); + + private Socket sessiondSock; + private volatile boolean quit = false; + + private DataInputStream inFromSessiond; + private DataOutputStream outToSessiond; + + private final ILttngTcpClientListener logAgent; + private final int domainValue; + private final boolean isRoot; + + /** + * Constructor + * + * @param logAgent + * The listener this client will operate on, typically an LTTng + * agent. + * @param domainValue + * The integer to send to the session daemon representing the + * tracing domain to handle. + * @param isRoot + * True if this client should connect to the root session daemon, + * false if it should connect to the user one. + */ + public LttngTcpSessiondClient(ILttngTcpClientListener logAgent, int domainValue, boolean isRoot) { + this.logAgent = logAgent; + this.domainValue = domainValue; + this.isRoot = isRoot; + } + + /** + * Wait until this client has successfully established a connection to its + * target session daemon. + * + * @param seconds + * A timeout in seconds after which this method will return + * anyway. + * @return True if the the client actually established the connection, false + * if we returned because the timeout has elapsed or the thread was + * interrupted. + */ + public boolean waitForConnection(int seconds) { + try { + return registrationLatch.await(seconds, TimeUnit.SECONDS); + } catch (InterruptedException e) { + return false; + } + } + + @Override + public void run() { + for (;;) { + if (this.quit) { + break; + } + + try { + + /* + * Connect to the session daemon before anything else. + */ + log("Connecting to sessiond"); + connectToSessiond(); + + /* + * Register to the session daemon as the Java component of the + * UST application. + */ + log("Registering to sessiond"); + registerToSessiond(); + + /* + * Block on socket receive and wait for command from the + * session daemon. This will return if and only if there is a + * fatal error or the socket closes. + */ + log("Waiting on sessiond commands..."); + handleSessiondCmd(); + } catch (UnknownHostException uhe) { + uhe.printStackTrace(); + } catch (IOException ioe) { + try { + Thread.sleep(3000); + } catch (InterruptedException e) { + e.printStackTrace(); + } + } + } + } + + /** + * Dispose this client and close any socket connection it may hold. + */ + public void close() { + log("Closing client"); + this.quit = true; + + try { + if (this.sessiondSock != null) { + this.sessiondSock.close(); + } + } catch (IOException e) { + e.printStackTrace(); + } + } + + private void connectToSessiond() throws IOException { + int rootPort = getPortFromFile(ROOT_PORT_FILE); + int userPort = getPortFromFile(getHomePath() + USER_PORT_FILE); + + /* + * Check for the edge case of both files existing but pointing to the + * same port. In this case, let the root client handle it. + */ + if ((rootPort != 0) && (rootPort == userPort) && (!isRoot)) { + log("User and root config files both point to port " + rootPort + + ". Letting the root client handle it."); + throw new IOException(); + } + + int portToUse = (isRoot ? rootPort : userPort); + + if (portToUse == 0) { + /* No session daemon available. Stop and retry later. */ + throw new IOException(); + } + + this.sessiondSock = new Socket(SESSION_HOST, portToUse); + this.inFromSessiond = new DataInputStream(sessiondSock.getInputStream()); + this.outToSessiond = new DataOutputStream(sessiondSock.getOutputStream()); + } + + private static String getHomePath() { + /* + * The environment variable LTTNG_HOME overrides HOME if + * defined. + */ + String homePath = System.getenv("LTTNG_HOME"); + + if (homePath == null) { + homePath = System.getProperty("user.home"); + } + return homePath; + } + + /** + * Read port number from file created by the session daemon. + * + * @return port value if found else 0. + */ + private static int getPortFromFile(String path) throws IOException { + int port; + BufferedReader br = null; + + try { + br = new BufferedReader(new InputStreamReader(new FileInputStream(path), PORT_FILE_ENCODING)); + String line = br.readLine(); + port = Integer.parseInt(line, 10); + if (port < 0 || port > 65535) { + /* Invalid value. Ignore. */ + port = 0; + } + } catch (FileNotFoundException e) { + /* No port available. */ + port = 0; + } finally { + if (br != null) { + br.close(); + } + } + + return port; + } + + private void registerToSessiond() throws IOException { + byte data[] = new byte[16]; + ByteBuffer buf = ByteBuffer.wrap(data); + String pid = ManagementFactory.getRuntimeMXBean().getName().split("@")[0]; + + buf.putInt(domainValue); + buf.putInt(Integer.parseInt(pid)); + buf.putInt(PROTOCOL_MAJOR_VERSION); + buf.putInt(PROTOCOL_MINOR_VERSION); + this.outToSessiond.write(data, 0, data.length); + this.outToSessiond.flush(); + } + + /** + * Handle session command from the session daemon. + */ + private void handleSessiondCmd() throws IOException { + /* Data read from the socket */ + byte inputData[] = null; + /* Reply data written to the socket, sent to the sessiond */ + byte responseData[] = null; + + while (true) { + /* Get header from session daemon. */ + SessiondCommandHeader cmdHeader = recvHeader(); + + if (cmdHeader.getDataSize() > 0) { + inputData = recvPayload(cmdHeader); + } + + switch (cmdHeader.getCommandType()) { + case CMD_REG_DONE: + { + /* + * Countdown the registration latch, meaning registration is + * done and we can proceed to continue tracing. + */ + registrationLatch.countDown(); + /* + * We don't send any reply to the registration done command. + * This just marks the end of the initial session setup. + */ + log("Registration done"); + continue; + } + case CMD_LIST: + { + SessiondCommand listLoggerCmd = new SessiondListLoggersCommand(); + LttngAgentResponse response = listLoggerCmd.execute(logAgent); + responseData = response.getBytes(); + log("Received list loggers command"); + break; + } + case CMD_EVENT_ENABLE: + { + if (inputData == null) { + /* Invalid command */ + responseData = LttngAgentResponse.FAILURE_RESPONSE.getBytes(); + break; + } + SessiondCommand enableEventCmd = new SessiondEnableEventCommand(inputData); + LttngAgentResponse response = enableEventCmd.execute(logAgent); + responseData = response.getBytes(); + log("Received enable event command"); + break; + } + case CMD_EVENT_DISABLE: + { + if (inputData == null) { + /* Invalid command */ + responseData = LttngAgentResponse.FAILURE_RESPONSE.getBytes(); + break; + } + SessiondCommand disableEventCmd = new SessiondDisableEventCommand(inputData); + LttngAgentResponse response = disableEventCmd.execute(logAgent); + responseData = response.getBytes(); + log("Received disable event command"); + break; + } + case CMD_APP_CTX_ENABLE: + { + if (inputData == null) { + /* This commands expects a payload, invalid command */ + responseData = LttngAgentResponse.FAILURE_RESPONSE.getBytes(); + break; + } + SessiondCommand enableAppCtxCmd = new SessiondEnableAppContextCommand(inputData); + LttngAgentResponse response = enableAppCtxCmd.execute(logAgent); + responseData = response.getBytes(); + log("Received enable app-context command"); + break; + } + case CMD_APP_CTX_DISABLE: + { + if (inputData == null) { + /* This commands expects a payload, invalid command */ + responseData = LttngAgentResponse.FAILURE_RESPONSE.getBytes(); + break; + } + SessiondCommand disableAppCtxCmd = new SessiondDisableAppContextCommand(inputData); + LttngAgentResponse response = disableAppCtxCmd.execute(logAgent); + responseData = response.getBytes(); + log("Received disable app-context command"); + break; + } + default: + { + /* Unknown command, send empty reply */ + responseData = new byte[4]; + ByteBuffer buf = ByteBuffer.wrap(responseData); + buf.order(ByteOrder.BIG_ENDIAN); + log("Received unknown command, ignoring"); + break; + } + } + + /* Send response to the session daemon. */ + log("Sending response"); + this.outToSessiond.write(responseData, 0, responseData.length); + this.outToSessiond.flush(); + } + } + + /** + * Receive header data from the session daemon using the LTTng command + * static buffer of the right size. + */ + private SessiondCommandHeader recvHeader() throws IOException { + byte data[] = new byte[SessiondCommandHeader.HEADER_SIZE]; + + int readLen = this.inFromSessiond.read(data, 0, data.length); + if (readLen != data.length) { + throw new IOException(); + } + return new SessiondCommandHeader(data); + } + + /** + * Receive payload from the session daemon. This MUST be done after a + * recvHeader() so the header value of a command are known. + * + * The caller SHOULD use isPayload() before which returns true if a payload + * is expected after the header. + */ + private byte[] recvPayload(SessiondCommandHeader headerCmd) throws IOException { + byte payload[] = new byte[(int) headerCmd.getDataSize()]; + + /* Failsafe check so we don't waste our time reading 0 bytes. */ + if (payload.length == 0) { + return null; + } + + int read = inFromSessiond.read(payload, 0, payload.length); + if (read != payload.length) { + throw new IOException("Unexpected number of bytes read in sessiond command payload"); + } + return payload; + } + + /** + * Wrapper for this class's logging, adds the connection's characteristics + * to help differentiate between multiple TCP clients. + */ + private void log(String message) { + LttngUstAgentLogger.log(getClass(), + "(root=" + isRoot + ", domain=" + domainValue + ") " + message); + } +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondCommand.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondCommand.java new file mode 100644 index 0000000..8b04f4b --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondCommand.java @@ -0,0 +1,99 @@ +/* + * Copyright (C) 2015-2016 - EfficiOS Inc., Alexandre Montplaisir + * Copyright (C) 2013 - David Goulet + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.client; + +import java.nio.ByteBuffer; +import java.nio.charset.Charset; + +/** + * Base class to represent all commands sent from the session daemon to the Java + * agent. The agent is then expected to execute the command and provide a + * response. + * + * @author Alexandre Montplaisir + */ +abstract class SessiondCommand { + + /** + * Encoding that should be used for the strings in the sessiond agent + * protocol on the socket. + */ + protected static final Charset SESSIOND_PROTOCOL_CHARSET = Charset.forName("UTF-8"); + + enum CommandType { + /** List logger(s). */ + CMD_LIST(1), + /** Enable logger by name. */ + CMD_EVENT_ENABLE(2), + /** Disable logger by name. */ + CMD_EVENT_DISABLE(3), + /** Registration done */ + CMD_REG_DONE(4), + /** Enable application context */ + CMD_APP_CTX_ENABLE(5), + /** Disable application context */ + CMD_APP_CTX_DISABLE(6); + + private int code; + + private CommandType(int c) { + code = c; + } + + public int getCommandType() { + return code; + } + } + + /** + * Execute the command handler's action on the specified tracing agent. + * + * @param agent + * The agent on which to execute the command + * @return If the command completed successfully or not + */ + public abstract LttngAgentResponse execute(ILttngTcpClientListener agent); + + /** + * Utility method to read agent-protocol strings passed on the socket. The + * buffer will contain a 32-bit integer representing the length, immediately + * followed by the string itself. + * + * @param buffer + * The ByteBuffer from which to read. It should already be setup + * and positioned where the read should begin. + * @return The string that was read, or null if it was badly + * formatted. + */ + protected static String readNextString(ByteBuffer buffer) { + int nbBytes = buffer.getInt(); + if (nbBytes < 0) { + /* The string length should be positive */ + return null; + } + if (nbBytes == 0) { + /* The string is explicitly an empty string */ + return ""; + } + + byte[] stringBytes = new byte[nbBytes]; + buffer.get(stringBytes); + return new String(stringBytes, SESSIOND_PROTOCOL_CHARSET).trim(); + } +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondCommandHeader.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondCommandHeader.java new file mode 100644 index 0000000..d341ae6 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondCommandHeader.java @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * Copyright (C) 2013 - David Goulet + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.client; + +import java.nio.ByteBuffer; +import java.nio.ByteOrder; + +import org.lttng.ust.agent.client.SessiondCommand.CommandType; + +/** + * Header of session daemon commands. + * + * @author Alexandre Montplaisir + * @author David Goulet + */ +class SessiondCommandHeader { + + /** ABI size of command header. */ + public static final int HEADER_SIZE = 16; + + /** Payload size in bytes following this header. */ + private final long dataSize; + + /** Command type. */ + private final CommandType cmd; + + public SessiondCommandHeader(byte[] data) { + ByteBuffer buf = ByteBuffer.wrap(data); + buf.order(ByteOrder.BIG_ENDIAN); + + dataSize = buf.getLong(); + cmd = CommandType.values()[buf.getInt() - 1]; + buf.getInt(); // command version, currently unused + } + + public long getDataSize() { + return dataSize; + } + + public CommandType getCommandType() { + return cmd; + } +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondDisableAppContextCommand.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondDisableAppContextCommand.java new file mode 100644 index 0000000..157ad75 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondDisableAppContextCommand.java @@ -0,0 +1,75 @@ +/* + * Copyright (C) 2016 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.client; + +import java.nio.ByteBuffer; +import java.nio.ByteOrder; + +/** + * Session daemon command indicating to the Java agent that an + * application-specific context was disabled in the tracing session. + * + * @author Alexandre Montplaisir + */ +class SessiondDisableAppContextCommand extends SessiondCommand { + + private final String retrieverName; + private final String contextName; + + private final boolean commandIsValid; + + public SessiondDisableAppContextCommand(byte[] data) { + if (data == null) { + throw new IllegalArgumentException(); + } + ByteBuffer buf = ByteBuffer.wrap(data); + buf.order(ByteOrder.BIG_ENDIAN); + + /* + * The buffer contains the retriever name first, followed by the + * context's name. + */ + retrieverName = readNextString(buf); + contextName = readNextString(buf); + + /* If any of these strings were null then the command was invalid */ + commandIsValid = ((retrieverName != null) && (contextName != null)); + } + + @Override + public LttngAgentResponse execute(ILttngTcpClientListener agent) { + if (!commandIsValid) { + return LttngAgentResponse.FAILURE_RESPONSE; + } + + boolean success = agent.appContextDisabled(retrieverName, contextName); + return (success ? LttngAgentResponse.SUCESS_RESPONSE : DISABLE_APP_CONTEXT_FAILURE_RESPONSE); + } + + /** + * Response sent when the disable-context command asks to disable an + * unknown context name. + */ + private static final LttngAgentResponse DISABLE_APP_CONTEXT_FAILURE_RESPONSE = new LttngAgentResponse() { + @Override + public ReturnCode getReturnCode() { + /* Same return code used for unknown event/logger names */ + return ReturnCode.CODE_UNKNOWN_LOGGER_NAME; + } + }; +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondDisableEventCommand.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondDisableEventCommand.java new file mode 100644 index 0000000..43ff402 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondDisableEventCommand.java @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * Copyright (C) 2013 - David Goulet + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.client; + +import java.nio.ByteBuffer; +import java.nio.ByteOrder; + +/** + * Session daemon command indicating to the Java agent that some events were + * disabled in the tracing session. + * + * @author Alexandre Montplaisir + * @author David Goulet + */ +class SessiondDisableEventCommand extends SessiondCommand { + + /** Event name to disable from the tracing session */ + private final String eventName; + + public SessiondDisableEventCommand(byte[] data) { + if (data == null) { + throw new IllegalArgumentException(); + } + ByteBuffer buf = ByteBuffer.wrap(data); + buf.order(ByteOrder.BIG_ENDIAN); + eventName = new String(data, SESSIOND_PROTOCOL_CHARSET).trim(); + } + + @Override + public LttngAgentResponse execute(ILttngTcpClientListener agent) { + boolean success = agent.eventDisabled(this.eventName); + return (success ? LttngAgentResponse.SUCESS_RESPONSE : DISABLE_EVENT_FAILURE_RESPONSE); + } + + /** + * Response sent when the disable-event command asks to disable an + * unknown event. + */ + private static final LttngAgentResponse DISABLE_EVENT_FAILURE_RESPONSE = new LttngAgentResponse() { + @Override + public ReturnCode getReturnCode() { + return ReturnCode.CODE_UNKNOWN_LOGGER_NAME; + } + }; +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondEnableAppContextCommand.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondEnableAppContextCommand.java new file mode 100644 index 0000000..a06db88 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondEnableAppContextCommand.java @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2016 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.client; + +import java.nio.ByteBuffer; +import java.nio.ByteOrder; + +/** + * Session daemon command indicating to the Java agent that an + * application-specific context was enabled in the tracing session. + * + * @author Alexandre Montplaisir + */ +class SessiondEnableAppContextCommand extends SessiondCommand { + + private final String retrieverName; + private final String contextName; + + private final boolean commandIsValid; + + public SessiondEnableAppContextCommand(byte[] data) { + if (data == null) { + throw new IllegalArgumentException(); + } + ByteBuffer buf = ByteBuffer.wrap(data); + buf.order(ByteOrder.BIG_ENDIAN); + + /* + * The buffer contains the retriever name first, followed by the + * context's name. + */ + retrieverName = readNextString(buf); + contextName = readNextString(buf); + + /* If any of these strings were null then the command was invalid */ + commandIsValid = ((retrieverName != null) && (contextName != null)); + } + + @Override + public LttngAgentResponse execute(ILttngTcpClientListener agent) { + if (!commandIsValid) { + return LttngAgentResponse.FAILURE_RESPONSE; + } + + boolean success = agent.appContextEnabled(retrieverName, contextName); + return (success ? LttngAgentResponse.SUCESS_RESPONSE : LttngAgentResponse.FAILURE_RESPONSE); + } +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondEnableEventCommand.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondEnableEventCommand.java new file mode 100644 index 0000000..54fcb4c --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondEnableEventCommand.java @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * Copyright (C) 2013 - David Goulet + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.client; + +import java.nio.ByteBuffer; +import java.nio.ByteOrder; + +import org.lttng.ust.agent.session.EventRule; +import org.lttng.ust.agent.session.LogLevelSelector; + +/** + * Session daemon command indicating to the Java agent that some events were + * enabled in the tracing session. + * + * @author Alexandre Montplaisir + * @author David Goulet + */ +class SessiondEnableEventCommand extends SessiondCommand { + + /** Fixed event name length. Value defined by the lttng agent protocol. */ + private static final int EVENT_NAME_LENGTH = 256; + + private final boolean commandIsValid; + + /* Parameters of the event rule being enabled */ + private final String eventName; + private final LogLevelSelector logLevelFilter; + private final String filterString; + + public SessiondEnableEventCommand(byte[] data) { + if (data == null) { + throw new IllegalArgumentException(); + } + ByteBuffer buf = ByteBuffer.wrap(data); + buf.order(ByteOrder.BIG_ENDIAN); + int logLevel = buf.getInt(); + int logLevelType = buf.getInt(); + logLevelFilter = new LogLevelSelector(logLevel, logLevelType); + + /* Read the event name */ + byte[] eventNameBytes = new byte[EVENT_NAME_LENGTH]; + buf.get(eventNameBytes); + eventName = new String(eventNameBytes, SESSIOND_PROTOCOL_CHARSET).trim(); + + /* Read the filter string */ + filterString = readNextString(buf); + + /* The command was invalid if the string could not be read correctly */ + commandIsValid = (filterString != null); + } + + @Override + public LttngAgentResponse execute(ILttngTcpClientListener agent) { + if (!commandIsValid) { + return LttngAgentResponse.FAILURE_RESPONSE; + } + + EventRule rule = new EventRule(eventName, logLevelFilter, filterString); + boolean success = agent.eventEnabled(rule); + return (success ? LttngAgentResponse.SUCESS_RESPONSE : LttngAgentResponse.FAILURE_RESPONSE); + } +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondListLoggersCommand.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondListLoggersCommand.java new file mode 100644 index 0000000..4dee6ae --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/client/SessiondListLoggersCommand.java @@ -0,0 +1,87 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * Copyright (C) 2013 - David Goulet + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.client; + +import java.nio.ByteBuffer; +import java.nio.ByteOrder; +import java.util.Collection; + +/** + * Session daemon command asking the Java agent to list its registered loggers, + * which corresponds to event names in the tracing session. + * + * @author Alexandre Montplaisir + * @author David Goulet + */ +class SessiondListLoggersCommand extends SessiondCommand { + + @Override + public LttngAgentResponse execute(ILttngTcpClientListener agent) { + final Collection loggerList = agent.listAvailableEvents(); + return new SessiondListLoggersResponse(loggerList); + } + + private static class SessiondListLoggersResponse extends LttngAgentResponse { + + private final static int SIZE = 12; + + private final Collection loggers; + + public SessiondListLoggersResponse(Collection loggers) { + this.loggers = loggers; + } + + @Override + public ReturnCode getReturnCode() { + /* This command can't really fail */ + return ReturnCode.CODE_SUCCESS_CMD; + } + + @Override + public byte[] getBytes() { + /* + * Compute the data size, which is the number of bytes of each + * encoded string, +1 per string for the \0 + */ + int dataSize = 0; + for (String logger : loggers) { + dataSize += logger.getBytes(SESSIOND_PROTOCOL_CHARSET).length + 1; + } + + /* Prepare the buffer */ + byte data[] = new byte[SIZE + dataSize]; + ByteBuffer buf = ByteBuffer.wrap(data); + buf.order(ByteOrder.BIG_ENDIAN); + + /* Write the header section of the response */ + buf.putInt(getReturnCode().getCode()); + buf.putInt(dataSize); + buf.putInt(loggers.size()); + + /* Write the payload */ + for (String logger : loggers) { + buf.put(logger.getBytes(SESSIOND_PROTOCOL_CHARSET)); + /* NULL terminated byte after the logger name. */ + buf.put((byte) 0x0); + } + return data; + } + } + +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/context/ContextInfoManager.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/context/ContextInfoManager.java new file mode 100644 index 0000000..7a8c80e --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/context/ContextInfoManager.java @@ -0,0 +1,199 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.context; + +import java.io.IOException; +import java.util.HashMap; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +/** + * The singleton manager of {@link IContextInfoRetriever} objects. + * + * @author Alexandre Montplaisir + */ +public final class ContextInfoManager { + + private static final String SHARED_LIBRARY_NAME = "lttng-ust-context-jni"; + + private static final Pattern VALID_CONTEXT_NAME_PATTERN = Pattern.compile("^[a-zA-Z0-9_\\.]+$"); + + private static ContextInfoManager instance; + + private final Map contextInfoRetrievers = new ConcurrentHashMap(); + private final Map contextInforRetrieverRefs = new HashMap(); + + /** + * Lock used to keep the two maps above in sync when retrievers are + * registered or unregistered. + */ + private final Object retrieverLock = new Object(); + + /** Singleton class, constructor should not be accessed directly */ + private ContextInfoManager() { + } + + /** + * Get the singleton instance. + * + *

+ * Usage of this class requires the "liblttng-ust-context-jni.so" native + * library to be present on the system and available (passing + * -Djava.library.path=path to the JVM may be needed). + *

+ * + * @return The singleton instance + * @throws IOException + * If the shared library cannot be found. + * @throws SecurityException + * We will forward any SecurityExcepion that may be thrown when + * trying to load the JNI library. + */ + public static synchronized ContextInfoManager getInstance() throws IOException, SecurityException { + if (instance == null) { + try { + System.loadLibrary(SHARED_LIBRARY_NAME); + } catch (UnsatisfiedLinkError e) { + throw new IOException(e); + } + instance = new ContextInfoManager(); + } + return instance; + } + + /** + * Register a new context info retriever. + * + *

+ * Each context info retriever is registered with a given "retriever name", + * which specifies the namespace of the context elements. This name is + * specified separately from the retriever objects, which would allow + * register the same retriever under different namespaces for example. + *

+ * + *

+ * If the method returns false (indicating registration failure), then the + * retriever object will *not* be used for context information. + *

+ * + * @param retrieverName + * The name to register to the context retriever object with. + * @param contextInfoRetriever + * The context info retriever to register + * @return True if the retriever was successfully registered, false if there + * was an error, for example if a retriever is already registered + * with that name. + */ + public boolean registerContextInfoRetriever(String retrieverName, IContextInfoRetriever contextInfoRetriever) { + synchronized (retrieverLock) { + if (!validateRetrieverName(retrieverName)) { + return false; + } + + if (contextInfoRetrievers.containsKey(retrieverName)) { + /* + * There is already a retriever registered with that name, + * refuse the new registration. + */ + return false; + } + /* + * Inform LTTng-UST of the new retriever. The names have to start + * with "$app." on the UST side! + */ + long ref = LttngContextApi.registerProvider("$app." + retrieverName); + if (ref == 0) { + return false; + } + + contextInfoRetrievers.put(retrieverName, contextInfoRetriever); + contextInforRetrieverRefs.put(retrieverName, Long.valueOf(ref)); + + return true; + } + } + + /** + * Unregister a previously added context info retriever. + * + * This method has no effect if the retriever was not already registered. + * + * @param retrieverName + * The context info retriever to unregister + * @return True if unregistration was successful, false if there was an + * error + */ + public boolean unregisterContextInfoRetriever(String retrieverName) { + synchronized (retrieverLock) { + if (!contextInfoRetrievers.containsKey(retrieverName)) { + /* + * There was no retriever registered with that name. + */ + return false; + } + contextInfoRetrievers.remove(retrieverName); + long ref = contextInforRetrieverRefs.remove(retrieverName).longValue(); + + /* Unregister the retriever on the UST side too */ + LttngContextApi.unregisterProvider(ref); + + return true; + } + } + + /** + * Return the context info retriever object registered with the given name. + * + * @param retrieverName + * The retriever name to look for + * @return The corresponding retriever object, or null if there + * was none + */ + public IContextInfoRetriever getContextInfoRetriever(String retrieverName) { + /* + * Note that this method does not take the retrieverLock, it lets + * concurrent threads access the ConcurrentHashMap directly. + * + * It's fine for a get() to happen during a registration or + * unregistration, it's first-come-first-serve. + */ + return contextInfoRetrievers.get(retrieverName); + } + + /** + * Validate that the given retriever name contains only the allowed + * characters, which are alphanumerical characters, period "." and + * underscore "_". The name must also not start with a number. + */ + private static boolean validateRetrieverName(String contextName) { + if (contextName.isEmpty()) { + return false; + } + + /* First character must not be a number */ + if (Character.isDigit(contextName.charAt(0))) { + return false; + } + + /* Validate the other characters of the string */ + Matcher matcher = VALID_CONTEXT_NAME_PATTERN.matcher(contextName); + return matcher.matches(); + } +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/context/ContextInfoSerializer.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/context/ContextInfoSerializer.java new file mode 100644 index 0000000..878f44e --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/context/ContextInfoSerializer.java @@ -0,0 +1,295 @@ +/* + * Copyright (C) 2016 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.context; + +import java.io.ByteArrayOutputStream; +import java.io.DataOutputStream; +import java.io.IOException; +import java.nio.ByteBuffer; +import java.nio.ByteOrder; +import java.nio.charset.Charset; +import java.util.Collection; +import java.util.Map; + +import org.lttng.ust.agent.utils.LttngUstAgentLogger; + +/** + * This class is used to serialize the list of "context info" objects to pass + * through JNI. + * + * The protocol expects two byte array parameters, which are contained here in + * the {@link SerializedContexts} inner class. + * + * The first byte array is called the "entries array", and contains fixed-size + * entries, one per context element. + * + * The second one is the "strings array", it is of variable length and used to + * hold the variable-length strings. Each one of these strings is formatted as a + * UTF-8 C-string, meaning in will end with a "\0" byte to indicate its end. + * Entries in the first array may refer to offsets in the second array to point + * to relevant strings. + * + * The fixed-size entries in the entries array contain the following elements + * (size in bytes in parentheses): + * + *
    + *
  • The offset in the strings array pointing to the full context name, like + * "$app.myprovider:mycontext" (4)
    • + *
  • The context value type (1)
    • + *
  • The context value itself (8)
    • + *
+ * + * The context value type will indicate how many bytes are used for the value. + * If the it is of String type, then we use 4 bytes to represent the offset in + * the strings array. + * + * So the total size of each entry is 13 bytes. All unused bytes (for context + * values shorter than 8 bytes for example) will be zero'ed. + * + * @author Alexandre Montplaisir + */ +public class ContextInfoSerializer { + + private enum DataType { + NULL(0), + INTEGER(1), + LONG(2), + DOUBLE(3), + FLOAT(4), + BYTE(5), + SHORT(6), + BOOLEAN(7), + STRING(8); + + private final byte value; + + private DataType(int value) { + this.value = (byte) value; + } + + public byte getValue() { + return value; + } + } + + /** + * Class used to wrap the two byte arrays returned by + * {@link #queryAndSerializeRequestedContexts}. + */ + public static class SerializedContexts { + + private final byte[] contextEntries; + private final byte[] contextStrings; + + /** + * Constructor + * + * @param entries + * Arrays for the fixed-size context entries. + * @param strings + * Arrays for variable-length strings + */ + public SerializedContexts(byte[] entries, byte[] strings) { + contextEntries = entries; + contextStrings = strings; + } + + /** + * @return The entries array + */ + public byte[] getEntriesArray() { + return contextEntries; + } + + /** + * @return The strings array + */ + public byte[] getStringsArray() { + return contextStrings; + } + } + + private static final String UST_APP_CTX_PREFIX = "$app."; + private static final int ENTRY_LENGTH = 13; + private static final ByteOrder NATIVE_ORDER = ByteOrder.nativeOrder(); + private static final Charset UTF8_CHARSET = Charset.forName("UTF-8"); + private static final SerializedContexts EMPTY_CONTEXTS = new SerializedContexts(new byte[0], new byte[0]); + + /** + * From the list of requested contexts in the tracing session, look them up + * in the {@link ContextInfoManager}, retrieve the available ones, and + * serialize them into a byte array. + * + * @param enabledContexts + * The contexts that are enabled in the tracing session (indexed + * first by retriever name, then by index names). Should come + * from the LTTng Agent. + * @return The byte array representing the intersection of the requested and + * available contexts. + */ + public static SerializedContexts queryAndSerializeRequestedContexts(Collection>> enabledContexts) { + if (enabledContexts.isEmpty()) { + /* Early return if there is no requested context information */ + return EMPTY_CONTEXTS; + } + + ContextInfoManager contextManager; + try { + contextManager = ContextInfoManager.getInstance(); + } catch (IOException e) { + /* + * The JNI library is not available, do not send any context + * information. No retriever could have been defined anyways. + */ + return EMPTY_CONTEXTS; + } + + /* Compute the total number of contexts (flatten the map) */ + int totalArraySize = 0; + for (Map.Entry> contexts : enabledContexts) { + totalArraySize += contexts.getValue().size() * ENTRY_LENGTH; + } + + /* Prepare the ByteBuffer that will generate the "entries" array */ + ByteBuffer entriesBuffer = ByteBuffer.allocate(totalArraySize); + entriesBuffer.order(NATIVE_ORDER); + entriesBuffer.clear(); + + /* Prepare the streams that will generate the "strings" array */ + ByteArrayOutputStream stringsBaos = new ByteArrayOutputStream(); + DataOutputStream stringsDos = new DataOutputStream(stringsBaos); + + try { + for (Map.Entry> entry : enabledContexts) { + String requestedRetrieverName = entry.getKey(); + Map requestedContexts = entry.getValue(); + + IContextInfoRetriever retriever = contextManager.getContextInfoRetriever(requestedRetrieverName); + + for (String requestedContext : requestedContexts.keySet()) { + Object contextInfo; + if (retriever == null) { + contextInfo = null; + } else { + contextInfo = retriever.retrieveContextInfo(requestedContext); + /* + * 'contextInfo' can still be null here, which would + * indicate the retriever does not supply this context. + * We will still write this information so that the + * tracer can know about it. + */ + } + + /* Serialize the result to the buffers */ + // FIXME Eventually pass the retriever name only once? + String fullContextName = (UST_APP_CTX_PREFIX + requestedRetrieverName + ':' + requestedContext); + byte[] strArray = fullContextName.getBytes(UTF8_CHARSET); + + entriesBuffer.putInt(stringsDos.size()); + stringsDos.write(strArray); + stringsDos.writeChar('\0'); + + LttngUstAgentLogger.log(ContextInfoSerializer.class, + "ContextInfoSerializer: Context to be sent through JNI: " + fullContextName + '=' + + (contextInfo == null ? "null" : contextInfo.toString())); + + serializeContextInfo(entriesBuffer, stringsDos, contextInfo); + } + } + + stringsDos.flush(); + stringsBaos.flush(); + + } catch (IOException e) { + /* + * Should not happen because we are wrapping a + * ByteArrayOutputStream, which writes to memory + */ + e.printStackTrace(); + } + + byte[] entriesArray = entriesBuffer.array(); + byte[] stringsArray = stringsBaos.toByteArray(); + return new SerializedContexts(entriesArray, stringsArray); + } + + private static final int CONTEXT_VALUE_LENGTH = 8; + + private static void serializeContextInfo(ByteBuffer entriesBuffer, DataOutputStream stringsDos, Object contextInfo) throws IOException { + int remainingBytes; + if (contextInfo == null) { + entriesBuffer.put(DataType.NULL.getValue()); + remainingBytes = CONTEXT_VALUE_LENGTH; + + } else if (contextInfo instanceof Integer) { + entriesBuffer.put(DataType.INTEGER.getValue()); + entriesBuffer.putInt(((Integer) contextInfo).intValue()); + remainingBytes = CONTEXT_VALUE_LENGTH - 4; + + } else if (contextInfo instanceof Long) { + entriesBuffer.put(DataType.LONG.getValue()); + entriesBuffer.putLong(((Long) contextInfo).longValue()); + remainingBytes = CONTEXT_VALUE_LENGTH - 8; + + } else if (contextInfo instanceof Double) { + entriesBuffer.put(DataType.DOUBLE.getValue()); + entriesBuffer.putDouble(((Double) contextInfo).doubleValue()); + remainingBytes = CONTEXT_VALUE_LENGTH - 8; + + } else if (contextInfo instanceof Float) { + entriesBuffer.put(DataType.FLOAT.getValue()); + entriesBuffer.putFloat(((Float) contextInfo).floatValue()); + remainingBytes = CONTEXT_VALUE_LENGTH - 4; + + } else if (contextInfo instanceof Byte) { + entriesBuffer.put(DataType.BYTE.getValue()); + entriesBuffer.put(((Byte) contextInfo).byteValue()); + remainingBytes = CONTEXT_VALUE_LENGTH - 1; + + } else if (contextInfo instanceof Short) { + entriesBuffer.put(DataType.SHORT.getValue()); + entriesBuffer.putShort(((Short) contextInfo).shortValue()); + remainingBytes = CONTEXT_VALUE_LENGTH - 2; + + } else if (contextInfo instanceof Boolean) { + entriesBuffer.put(DataType.BOOLEAN.getValue()); + boolean b = ((Boolean) contextInfo).booleanValue(); + /* Converted to one byte, write 1 for true, 0 for false */ + entriesBuffer.put((byte) (b ? 1 : 0)); + remainingBytes = CONTEXT_VALUE_LENGTH - 1; + + } else { + /* Also includes the case of Character. */ + /* + * We'll write the object as a string, into the strings array. We + * will write the corresponding offset to the entries array. + */ + String str = contextInfo.toString(); + byte[] strArray = str.getBytes(UTF8_CHARSET); + + entriesBuffer.put(DataType.STRING.getValue()); + + entriesBuffer.putInt(stringsDos.size()); + stringsDos.write(strArray); + stringsDos.writeChar('\0'); + + remainingBytes = CONTEXT_VALUE_LENGTH - 4; + } + entriesBuffer.position(entriesBuffer.position() + remainingBytes); + } +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/context/IContextInfoRetriever.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/context/IContextInfoRetriever.java new file mode 100644 index 0000000..6717b9e --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/context/IContextInfoRetriever.java @@ -0,0 +1,41 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.context; + +/** + * Context-retrieving object specified by the application to extract + * application-specific context information, which can then be passed on to the + * Java agents and saved to a trace. + * + * Retriever objects should be registered to the {@link ContextInfoManager} to + * make them available to the LTTng agents. + * + * @author Alexandre Montplaisir + */ +public interface IContextInfoRetriever { + + /** + * Retrieve a piece of context information from the application, identified + * by a key. + * + * @param key + * The key identifying the context information + * @return The context information. + */ + Object retrieveContextInfo(String key); +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/context/LttngContextApi.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/context/LttngContextApi.java new file mode 100644 index 0000000..15062c9 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/context/LttngContextApi.java @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2016 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.context; + +/** + * Virtual class containing the Java side of the LTTng-UST context provider + * registering/unregistering methods. + * + * @author Alexandre Montplaisir + */ +final class LttngContextApi { + + private LttngContextApi() {} + + /** + * Register a context provider to UST. + * + * The callbacks are the same for all providers, and are defined in the .c + * file. The only needed information is the retriever (which is called + * "provider" from UST'S point of view) name. + * + * @param provider_name + * The name of the provider + * @return The pointer to the created provider object. It's useless in the + * Java space, but will be needed for + * {@link #unregisterProvider(long)}. + */ + static native long registerProvider(String provider_name); + + /** + * Unregister a previously-registered context provider from UST. + * + * @param provider_ref + * The pointer to the provider object, obtained from + * {@link #registerProvider} + */ + static native void unregisterProvider(long provider_ref); +} + diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/filter/FilterChangeNotifier.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/filter/FilterChangeNotifier.java new file mode 100644 index 0000000..1a67587 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/filter/FilterChangeNotifier.java @@ -0,0 +1,188 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.filter; + +import java.util.Collection; +import java.util.HashMap; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; + +import org.lttng.ust.agent.session.EventRule; + +/** + * Singleton class managing the filter notifications. + * + * Applications can register a {@link IFilterChangeListener} to be notified when + * event filtering rules change in the tracing sessions. + * + * @author Alexandre Montplaisir + */ +public final class FilterChangeNotifier { + + /** Lazy-loaded singleton instance object */ + private static FilterChangeNotifier instance = null; + + private final Map enabledEventRules = new HashMap(); + private final Collection registeredListeners = new LinkedList(); + + + /** + * Private constructor, singleton class should not be instantiated directly. + */ + private FilterChangeNotifier() { + } + + /** + * Get the singleton instance, initializing it if needed. + * + * @return The singleton instance + */ + public static synchronized FilterChangeNotifier getInstance() { + if (instance == null) { + instance = new FilterChangeNotifier(); + } + return instance; + } + + /** + * Notify the filter manager that a new rule was enabled in a tracing + * session ("lttng enable-event ...") + * + * This is meant to be called by the LTTng Agent only. External Java + * applications should not call this. + * + * @param rule + * The rule that was added + */ + public synchronized void addEventRule(EventRule rule) { + Integer count = enabledEventRules.get(rule); + if (count == null) { + /* + * This is the first instance of this rule being enabled. Add it to + * the map and send notifications to the registered notifiers. + */ + enabledEventRules.put(rule, Integer.valueOf(1)); + notifyForAddedRule(rule); + return; + } + if (count.intValue() <= 0) { + /* It should not have been in the map! */ + throw new IllegalStateException(); + } + /* + * This exact event rule was already enabled, just increment its + * refcount without sending notifications + */ + enabledEventRules.put(rule, Integer.valueOf(count.intValue() + 1)); + } + + /** + * Notify the filter manager that an event name was disabled in the tracing + * sessions ("lttng disable-event ..."). + * + * The "disable-event" only specifies an event name. This means all the + * rules containing this event name are to be disabled. + * + * This is meant to be called by the LTTng Agent only. External Java + * applications should not call this. + * + * @param eventName + * The event name to disable + */ + public synchronized void removeEventRules(String eventName) { + List rulesToRemove = new LinkedList(); + + for (EventRule eventRule : enabledEventRules.keySet()) { + if (eventRule.getEventName().equals(eventName)) { + rulesToRemove.add(eventRule); + } + } + /* + * We cannot modify the map while iterating on it. We have to do the + * removal separately from the iteration above. + */ + for (EventRule rule : rulesToRemove) { + removeEventRule(rule); + } + } + + private synchronized void removeEventRule(EventRule eventRule) { + Integer count = enabledEventRules.get(eventRule); + if (count == null || count.intValue() <= 0) { + /* + * We were asked us to disable an event rule that was not enabled + * previously. Command error? + */ + throw new IllegalStateException(); + } + if (count.intValue() == 1) { + /* + * This is the last instance of this event rule being disabled, + * remove it from the map and send notifications of this rule being + * gone. + */ + enabledEventRules.remove(eventRule); + notifyForRemovedRule(eventRule); + return; + } + /* + * Other sessions/daemons are still looking for this event rule, simply + * decrement its refcount, and do not send notifications. + */ + enabledEventRules.put(eventRule, Integer.valueOf(count.intValue() - 1)); + + } + + /** + * Register a new listener to the manager. + * + * @param listener + * The listener to add + */ + public synchronized void registerListener(IFilterChangeListener listener) { + registeredListeners.add(listener); + + /* Send the current rules to the new listener ("statedump") */ + for (EventRule rule : enabledEventRules.keySet()) { + listener.eventRuleAdded(rule); + } + } + + /** + * Unregister a listener from the manager. + * + * @param listener + * The listener to remove + */ + public synchronized void unregisterListener(IFilterChangeListener listener) { + registeredListeners.remove(listener); + } + + private void notifyForAddedRule(final EventRule rule) { + for (IFilterChangeListener notifier : registeredListeners) { + notifier.eventRuleAdded(rule); + } + } + + private void notifyForRemovedRule(final EventRule rule) { + for (IFilterChangeListener notifier : registeredListeners) { + notifier.eventRuleRemoved(rule); + } + } +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/filter/IFilterChangeListener.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/filter/IFilterChangeListener.java new file mode 100644 index 0000000..90883c7 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/filter/IFilterChangeListener.java @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.filter; + +import org.lttng.ust.agent.session.EventRule; + +/** + * Filter notification listener interface. + *

+ * Applications wanting to be notified of event filtering rule changes should + * implement this interface, then register their listener using + * {@link FilterChangeNotifier#registerListener}. + *

+ *

+ * The callbacks defined in this interface will be called whenever an event rule + * is added or removed. The manager will take care of the reference-counting in + * case multiple tracing sessions enable the exact same rules. For example, the + * {@link #eventRuleRemoved} callback is only called when there are no more + * session interested into it. + *

+ *

+ * Do not forget to unregister the listener after use, using + * {@link FilterChangeNotifier#unregisterListener}. If you do not, or if + * you use an anonymous listener for example, these will remain attached until + * the complete shutdown of the application. + *

+ *

+ * Only one thread is used to dispatch notifications, sequentially. This means + * that if a callback hangs it will prevent other listeners from receiving + * notifications. Please take care of not blocking inside the listener + * callbacks, and use separate threads for potentially long or blocking + * operations. + *

+ * + * @author Alexandre Montplaisir + */ +public interface IFilterChangeListener { + + /** + * Notification that a new event rule is now enabled in the tracing + * sessions. + * + * @param rule + * The event rule that was enabled + */ + void eventRuleAdded(EventRule rule); + + /** + * Notification that an existing event rule is now disabled in the tracing + * sessions. + * + * @param rule + * The event rule that was disabled + */ + void eventRuleRemoved(EventRule rule); +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/session/EventRule.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/session/EventRule.java new file mode 100644 index 0000000..8af51a3 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/session/EventRule.java @@ -0,0 +1,140 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.session; + +/** + * Event filtering rule present in a tracing session. + * + * It typically comes from a "lttng enable-event" command, and contains a + * domain, event name, log level and filter string. + * + * @author Alexandre Montplaisir + */ +public class EventRule { + + private final String eventName; + private final LogLevelSelector logLevelSelector; + private final String filterString; + + /** + * Constructor. + * + * @param eventName + * The name of the tracepoint + * @param logLevelSelector + * The log level of the event rule + * @param filterString + * The filtering string. May be null if there is no extra filter. + */ + public EventRule(String eventName, LogLevelSelector logLevelSelector, String filterString) { + this.eventName = eventName; + this.logLevelSelector = logLevelSelector; + this.filterString = filterString; + } + + /** + * Get the event name of this rule. + * + * @return The event name + */ + public String getEventName() { + return eventName; + } + + /** + * Get the log level filter configuration of the rule. + * + * @return The log level selector + */ + public LogLevelSelector getLogLevelSelector() { + return logLevelSelector; + } + + /** + * Get the filter string associated with this rule. + * + * @return The filter string, may be null for no filter string. + */ + public String getFilterString() { + return filterString; + } + + // ------------------------------------------------------------------------ + // Methods from Object + // ------------------------------------------------------------------------ + + @Override + public int hashCode() { + final int prime = 31; + int result = 1; + result = prime * result + ((eventName == null) ? 0 : eventName.hashCode()); + result = prime * result + ((filterString == null) ? 0 : filterString.hashCode()); + result = prime * result + ((logLevelSelector == null) ? 0 : logLevelSelector.hashCode()); + return result; + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null) { + return false; + } + if (getClass() != obj.getClass()) { + return false; + } + EventRule other = (EventRule) obj; + + if (eventName == null) { + if (other.eventName != null) { + return false; + } + } else if (!eventName.equals(other.eventName)) { + return false; + } + /* else, continue */ + + if (filterString == null) { + if (other.filterString != null) { + return false; + } + } else if (!filterString.equals(other.filterString)) { + return false; + } + /* else, continue */ + + if (logLevelSelector == null) { + if (other.logLevelSelector != null) { + return false; + } + } else if (!logLevelSelector.equals(other.logLevelSelector)) { + return false; + } + /* else, continue */ + + return true; + } + + @Override + public String toString() { + return "Event name = " + getEventName() + + ", Log level selector = (" + getLogLevelSelector().toString() + ")" + + ", Filter string = " + getFilterString(); + } +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/session/LogLevelSelector.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/session/LogLevelSelector.java new file mode 100644 index 0000000..f6f6a39 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/session/LogLevelSelector.java @@ -0,0 +1,199 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.session; + +/** + * Log level filtering element, which is part of an {@link EventRule}. + * + * @author Alexandre Montplaisir + */ +public class LogLevelSelector { + + /** + * The type of log level filter that is enabled. + * + * Defined from lttng-tools' include/lttng/event.h. + */ + public enum LogLevelType { + /** + * All log levels are enabled. This overrides the value of + * {@link LogLevelSelector#getLogLevel}. + */ + LTTNG_EVENT_LOGLEVEL_ALL(0), + + /** This log level along with all log levels of higher severity are enabled. */ + LTTNG_EVENT_LOGLEVEL_RANGE(1), + + /** Only this exact log level is enabled. */ + LTTNG_EVENT_LOGLEVEL_SINGLE(2); + + private final int value; + + private LogLevelType(int value) { + this.value = value; + } + + /** + * Get the numerical (int) value representing this log level type in the + * communication protocol. + * + * @return The int value + */ + public int getValue() { + return value; + } + + static LogLevelType fromValue(int val) { + switch (val) { + case 0: + return LTTNG_EVENT_LOGLEVEL_ALL; + case 1: + return LTTNG_EVENT_LOGLEVEL_RANGE; + case 2: + return LTTNG_EVENT_LOGLEVEL_SINGLE; + default: + throw new IllegalArgumentException(); + } + } + } + + private final int logLevel; + private final LogLevelType logLevelType; + + /** + * Constructor using numerical values straight from the communication + * protocol. + * + * @param logLevel + * The numerical value of the log level. The exact value depends + * on the tracing domain, see include/lttng/event.h in the + * lttng-tools tree for the complete enumeration. + * @param logLevelType + * The numerical value of the log level type. It will be + * converted to a {@link LogLevelType} by this constructor. + * @throws IllegalArgumentException + * If the 'logLevelType' does not correspond to a valid value. + */ + public LogLevelSelector(int logLevel, int logLevelType) { + this.logLevel = logLevel; + this.logLevelType = LogLevelType.fromValue(logLevelType); + } + + /** + * "Manual" constructor, specifying the {@link LogLevelType} directly. + * + * @param logLevel + * The numerical value of the log level. The exact value depends + * on the tracing domain, see include/lttng/event.h in the + * lttng-tools tree for the complete enumeration. + * @param type + * The log level filter type. + */ + public LogLevelSelector(int logLevel, LogLevelType type) { + this.logLevel = logLevel; + this.logLevelType = type; + } + + /** + * Get the numerical value of the log level element. Does not apply if + * {@link #getLogLevelType} returns + * {@link LogLevelType#LTTNG_EVENT_LOGLEVEL_ALL}. + * + * @return The numerical value of the log level + */ + public int getLogLevel() { + return logLevel; + } + + /** + * Get the log level filter type. + * + * @return The log level filter type + */ + public LogLevelType getLogLevelType() { + return logLevelType; + } + + /** + * Helper method to determine if an event with the given log level should be + * traced when considering this filter. + * + * For example, if this filter object represents "higher severity than 5", + * and the log level passed in parameter is "8", it will return that it + * matches (higher value means higher severity). + * + * @param targetLogLevel + * The log level value of the event to check for + * @return Should this event be traced, or not + */ + public boolean matches(int targetLogLevel) { + switch (logLevelType) { + case LTTNG_EVENT_LOGLEVEL_ALL: + return true; + case LTTNG_EVENT_LOGLEVEL_RANGE: + return (targetLogLevel >= logLevel); + case LTTNG_EVENT_LOGLEVEL_SINGLE: + return (targetLogLevel == logLevel); + default: + throw new IllegalStateException(); + } + } + + // ------------------------------------------------------------------------ + // Methods from Object + // ------------------------------------------------------------------------ + + @Override + public int hashCode() { + final int prime = 31; + int result = 1; + result = prime * result + logLevel; + result = prime * result + ((logLevelType == null) ? 0 : logLevelType.hashCode()); + return result; + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null) { + return false; + } + if (getClass() != obj.getClass()) { + return false; + } + LogLevelSelector other = (LogLevelSelector) obj; + + if (logLevel != other.logLevel) { + return false; + } + if (logLevelType != other.logLevelType) { + return false; + } + return true; + } + + @Override + public String toString() { + if (getLogLevelType() == LogLevelType.LTTNG_EVENT_LOGLEVEL_ALL) { + return LogLevelType.LTTNG_EVENT_LOGLEVEL_ALL.toString(); + } + return String.valueOf(getLogLevel()) + ", " + getLogLevelType().toString(); + } +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/utils/LttngUstAgentLogger.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/utils/LttngUstAgentLogger.java new file mode 100644 index 0000000..16f23f7 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/utils/LttngUstAgentLogger.java @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2016 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.utils; + +/** + * Logging infrastructure for the lttng-ust Java agent. It prints log messages + * to stderr but only when the environment variable LTTNG_UST_DEBUG is defined. + * + * @author Alexandre Montplaisir + */ +public class LttngUstAgentLogger { + + private static final String ENV_VAR_NAME = "LTTNG_UST_DEBUG"; + private static final boolean LOGGING_ENABLED = (System.getenv(ENV_VAR_NAME) == null ? false : true); + + /** + * Log event. Will be printed to stderr if the environment variable + * "LTTNG_UST_DEBUG" is defined. + * + * @param c + * The class logging the message (should normally be called with + * {@link #getClass()}). + * @param message + * The message to print + */ + public static void log(Class c, String message) { + if (LOGGING_ENABLED) { + System.err.println(c.getSimpleName() + ": " + message); + } + } +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile.am b/liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile.am new file mode 100644 index 0000000..c0316e2 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile.am @@ -0,0 +1,42 @@ +JAVAROOT = . +CLASSPATH_ENV = CLASSPATH=$(CLASSPATH):$(builddir)/../lttng-ust-agent-common/lttng-ust-agent-common.jar + +pkgpath = org/lttng/ust/agent/jul + +jarfile_version = 1.0.0 +jarfile_manifest = $(srcdir)/Manifest.txt +jarfile_symlink = lttng-ust-agent-jul.jar +jarfile = lttng-ust-agent-jul-$(jarfile_version).jar + 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$(JAVAH) -classpath $(CLASSPATH):$(srcdir) -d $(juljniout) $(JAVAHFLAGS) org.lttng.ust.agent.jul.LttngJulApi && \ + echo "JUL JNI header generated" > jul-jni-header.stamp + +all-local: $(stamp) + +install-data-hook: + cd $(DESTDIR)/$(jardir) && rm -f $(jarfile_symlink) && $(LN_S) $(jarfile) $(jarfile_symlink) + +uninstall-hook: + cd $(DESTDIR)/$(jardir) && rm -f $(jarfile_symlink) + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-jul/Manifest.txt b/liblttng-ust-java-agent/java/lttng-ust-agent-jul/Manifest.txt new file mode 100644 index 0000000..4aba360 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-jul/Manifest.txt @@ -0,0 +1,8 @@ +Name: org/lttng/ust/agent/jul/ +Specification-Title: LTTng UST Java Agent JUL Integration +Specification-Version: 1.0.0 +Specification-Vendor: LTTng Project +Implementation-Title: org.lttng.ust.agent.jul +Implementation-Version: 1.0.0 +Implementation-Vendor: LTTng Project +Class-Path: lttng-ust-agent-common.jar diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-jul/org/lttng/ust/agent/jul/LttngJulAgent.java b/liblttng-ust-java-agent/java/lttng-ust-agent-jul/org/lttng/ust/agent/jul/LttngJulAgent.java new file mode 100644 index 0000000..1e104bc --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-jul/org/lttng/ust/agent/jul/LttngJulAgent.java @@ -0,0 +1,102 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.jul; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.List; +import java.util.Set; +import java.util.TreeSet; +import java.util.logging.Handler; +import java.util.logging.LogManager; +import java.util.logging.Logger; + +import org.lttng.ust.agent.AbstractLttngAgent; + +/** + * Agent implementation for tracing from JUL loggers. + * + * @author Alexandre Montplaisir + */ +class LttngJulAgent extends AbstractLttngAgent { + + private static LttngJulAgent instance = null; + + private LttngJulAgent() { + super(Domain.JUL); + } + + public static synchronized LttngJulAgent getInstance() { + if (instance == null) { + instance = new LttngJulAgent(); + } + return instance; + } + + @Override + public Collection listAvailableEvents() { + Set ret = new TreeSet(); + + List loggersNames = Collections.list(LogManager.getLogManager().getLoggerNames()); + for (String name : loggersNames) { + /* + * Skip the root logger. An empty string is not a valid event name + * in LTTng. + */ + if (name.equals("") || name.equals("global")) { + continue; + } + + /* + * Check if that logger has at least one LTTng JUL handler attached. + */ + Logger logger = Logger.getLogger(name); + if (hasLttngHandlerAttached(logger)) { + ret.add(name); + } + } + + return ret; + } + + private static boolean hasLttngHandlerAttached(Logger logger) { + for (Handler handler : logger.getHandlers()) { + if (handler instanceof LttngLogHandler) { + return true; + } + } + + /* + * A parent logger, if any, may be connected to an LTTng handler. In + * this case, we will want to include this child logger in the output, + * since it will be accessible by LTTng. + */ + Logger parent = logger.getParent(); + if (parent != null) { + return hasLttngHandlerAttached(parent); + } + + /* + * We have reached the root logger and have not found any LTTng handler, + * this event will not be accessible. + */ + return false; + } + +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-jul/org/lttng/ust/agent/jul/LttngJulApi.java b/liblttng-ust-java-agent/java/lttng-ust-agent-jul/org/lttng/ust/agent/jul/LttngJulApi.java new file mode 100644 index 0000000..e4d399f --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-jul/org/lttng/ust/agent/jul/LttngJulApi.java @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2016 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.jul; + +/** + * Virtual class containing the Java side of the LTTng-JUL JNI API methods. + * + * @author Alexandre Montplaisir + */ +final class LttngJulApi { + + private LttngJulApi() {} + + static native void tracepoint(String msg, + String logger_name, + String class_name, + String method_name, + long millis, + int log_level, + int thread_id); + + static native void tracepointWithContext(String msg, + String logger_name, + String class_name, + String method_name, + long millis, + int log_level, + int thread_id, + byte[] contextEntries, + byte[] contextStrings); +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-jul/org/lttng/ust/agent/jul/LttngLogHandler.java b/liblttng-ust-java-agent/java/lttng-ust-agent-jul/org/lttng/ust/agent/jul/LttngLogHandler.java new file mode 100644 index 0000000..00c5c48 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-jul/org/lttng/ust/agent/jul/LttngLogHandler.java @@ -0,0 +1,146 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * Copyright (C) 2013 - David Goulet + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.jul; + +import java.io.IOException; +import java.util.Collection; +import java.util.Map; +import java.util.Map.Entry; +import java.util.concurrent.atomic.AtomicLong; +import java.util.logging.Formatter; +import java.util.logging.Handler; +import java.util.logging.LogRecord; + +import org.lttng.ust.agent.ILttngAgent; +import org.lttng.ust.agent.ILttngHandler; +import org.lttng.ust.agent.context.ContextInfoSerializer; + +/** + * LTTng-UST JUL log handler. + * + * Applications can attach this handler to their + * {@link java.util.logging.Logger} to have it generate UST events from logging + * events received through the logger. + * + * It sends its events to UST via the JNI library "liblttng-ust-jul-jni.so". + * Make sure this library is available before using this handler. + * + * @author Alexandre Montplaisir + * @author David Goulet + */ +public class LttngLogHandler extends Handler implements ILttngHandler { + + private static final String SHARED_OBJECT_NAME = "lttng-ust-jul-jni"; + + /** + * Dummy Formatter object, so we can use its + * {@link Formatter#formatMessage(LogRecord)} method. + */ + private static final Formatter FORMATTER = new Formatter() { + @Override + public String format(LogRecord record) { + throw new UnsupportedOperationException(); + } + }; + + private final ILttngAgent agent; + + /** Number of events logged (really sent through JNI) by this handler */ + private final AtomicLong eventCount = new AtomicLong(0); + + /** + * Constructor + * + * @throws IOException + * This handler requires the lttng-ust-jul-jni.so native + * library, through which it will send the trace events. This + * exception is throw is this library cannot be found. + * @throws SecurityException + * We will forward any SecurityExcepion that may be thrown when + * trying to load the JNI library. + */ + public LttngLogHandler() throws IOException, SecurityException { + super(); + /* Initialize LTTng UST tracer. */ + try { + System.loadLibrary(SHARED_OBJECT_NAME); //$NON-NLS-1$ + } catch (UnsatisfiedLinkError e) { + throw new IOException(e); + } + + /** Register to the relevant agent */ + agent = LttngJulAgent.getInstance(); + agent.registerHandler(this); + } + + @Override + public synchronized void close() { + agent.unregisterHandler(this); + } + + /** + * Get the number of events logged by this handler so far. This means the + * number of events actually sent through JNI to UST. + * + * @return The number of events logged so far + */ + @Override + public long getEventCount() { + return eventCount.get(); + } + + @Override + public void flush() { + } + + @Override + public void publish(LogRecord record) { + /* + * Check if the current message should be logged, according to the UST + * session settings. + */ + if (!agent.isEventEnabled(record.getLoggerName())) { + return; + } + + String formattedMessage = FORMATTER.formatMessage(record); + + /* Retrieve all the requested context information we can find */ + Collection>> enabledContexts = agent.getEnabledAppContexts(); + ContextInfoSerializer.SerializedContexts contextInfo = ContextInfoSerializer.queryAndSerializeRequestedContexts(enabledContexts); + + eventCount.incrementAndGet(); + + /* + * Specific tracepoint designed for JUL events. The source class of the + * caller is used for the event name, the raw message is taken, the + * loglevel of the record and the thread ID. + */ + LttngJulApi.tracepointWithContext(formattedMessage, + record.getLoggerName(), + record.getSourceClassName(), + record.getSourceMethodName(), + record.getMillis(), + record.getLevel().intValue(), + record.getThreadID(), + contextInfo.getEntriesArray(), + contextInfo.getStringsArray()); + } + +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile.am b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile.am new file mode 100644 index 0000000..c05f212 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile.am @@ -0,0 +1,42 @@ +JAVAROOT = . +CLASSPATH_ENV = CLASSPATH=$(CLASSPATH):$(builddir)/../lttng-ust-agent-common/lttng-ust-agent-common.jar + +pkgpath = org/lttng/ust/agent/log4j + +jarfile_version = 1.0.0 +jarfile_manifest = $(srcdir)/Manifest.txt +jarfile_symlink = lttng-ust-agent-log4j.jar 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$(jarfile_manifest) $(classes) && rm -f $(jarfile_symlink) && $(LN_S) $@ $(jarfile_symlink) + +log4j-jni-header.stamp: $(dist_noinst_JAVA) + $(JAVAH) -classpath $(CLASSPATH):$(srcdir) -d $(log4jjniout) $(JAVAHFLAGS) org.lttng.ust.agent.log4j.LttngLog4jApi && \ + echo "Log4j JNI header generated" > log4j-jni-header.stamp + +all-local: $(stamp) + +install-data-hook: + cd $(DESTDIR)/$(jardir) && rm -f $(jarfile_symlink) && $(LN_S) $(jarfile) $(jarfile_symlink) + +uninstall-hook: + cd $(DESTDIR)/$(jardir) && rm -f $(jarfile_symlink) + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Manifest.txt b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Manifest.txt new file mode 100644 index 0000000..d7b98f4 --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Manifest.txt @@ -0,0 +1,8 @@ +Name: org/lttng/ust/agent/log4j/ +Specification-Title: LTTng UST Java Agent Log4J 1.x Integration +Specification-Version: 1.0.0 +Specification-Vendor: LTTng Project +Implementation-Title: org.lttng.ust.agent.log4j +Implementation-Version: 1.0.0 +Implementation-Vendor: LTTng Project +Class-Path: lttng-ust-agent-common.jar diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLog4jAgent.java b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLog4jAgent.java new file mode 100644 index 0000000..157ff3f --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLog4jAgent.java @@ -0,0 +1,105 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.log4j; + +import java.util.Collection; +import java.util.Collections; +import java.util.Enumeration; +import java.util.List; +import java.util.Set; +import java.util.TreeSet; + +import org.apache.log4j.Appender; +import org.apache.log4j.Category; +import org.apache.log4j.LogManager; +import org.apache.log4j.Logger; +import org.lttng.ust.agent.AbstractLttngAgent; + +/** + * Agent implementation for using the Log4j logger, connecting to a root session + * daemon. + * + * @author Alexandre Montplaisir + */ +class LttngLog4jAgent extends AbstractLttngAgent { + + private static LttngLog4jAgent instance = null; + + private LttngLog4jAgent() { + super(Domain.LOG4J); + } + + public static synchronized LttngLog4jAgent getInstance() { + if (instance == null) { + instance = new LttngLog4jAgent(); + } + return instance; + } + + @Override + public Collection listAvailableEvents() { + Set ret = new TreeSet(); + + @SuppressWarnings("unchecked") + List loggers = Collections.list(LogManager.getCurrentLoggers()); + for (Logger logger : loggers) { + if (logger == null) { + continue; + } + + /* + * Check if that logger has at least one LTTng log4j appender + * attached. + */ + if (hasLttngAppenderAttached(logger)) { + ret.add(logger.getName()); + } + } + + return ret; + } + + private static boolean hasLttngAppenderAttached(Category logger) { + @SuppressWarnings("unchecked") + Enumeration appenders = logger.getAllAppenders(); + if (appenders != null) { + for (Appender appender : Collections.list(appenders)) { + if (appender instanceof LttngLogAppender) { + return true; + } + } + } + + /* + * A parent logger, if any, may be connected to an LTTng handler. In + * this case, we will want to include this child logger in the output, + * since it will be accessible by LTTng. + */ + Category parent = logger.getParent(); + if (parent != null) { + return hasLttngAppenderAttached(parent); + } + + /* + * We have reached the root logger and have not found any LTTng handler, + * this event will not be accessible. + */ + return false; + } + +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLog4jApi.java b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLog4jApi.java new file mode 100644 index 0000000..035864c --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLog4jApi.java @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2016 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.log4j; + +/** + * Virtual class containing the Java side of the LTTng-log4j JNI API methods. + * + * @author Alexandre Montplaisir + */ +final class LttngLog4jApi { + + private LttngLog4jApi() {} + + static native void tracepoint(String msg, + String logger_name, + String class_name, + String method_name, + String file_name, + int line_number, + long timestamp, + int loglevel, + String thread_name); + + static native void tracepointWithContext(String msg, + String logger_name, + String class_name, + String method_name, + String file_name, + int line_number, + long timestamp, + int loglevel, + String thread_name, + byte[] contextEntries, + byte[] contextStrings); +} diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLogAppender.java b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLogAppender.java new file mode 100644 index 0000000..92b76de --- /dev/null +++ b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j/org/lttng/ust/agent/log4j/LttngLogAppender.java @@ -0,0 +1,142 @@ +/* + * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir + * Copyright (C) 2014 - Christian Babeux + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust.agent.log4j; + +import java.io.IOException; +import java.util.Collection; +import java.util.Map; +import java.util.Map.Entry; +import java.util.concurrent.atomic.AtomicLong; + +import org.apache.log4j.AppenderSkeleton; +import org.apache.log4j.spi.LoggingEvent; +import org.lttng.ust.agent.ILttngAgent; +import org.lttng.ust.agent.ILttngHandler; +import org.lttng.ust.agent.context.ContextInfoSerializer; + +/** + * LTTng-UST Log4j 1.x log handler. + * + * Applications can attach this appender to their + * {@link org.apache.log4j.Logger} to have it generate UST events from logging + * events received through the logger. + * + * It sends its events to UST via the JNI library "liblttng-ust-log4j-jni.so". + * Make sure this library is available before using this appender. + * + * @author Alexandre Montplaisir + * @author Christian Babeux + */ +public class LttngLogAppender extends AppenderSkeleton implements ILttngHandler { + + private static final String SHARED_OBJECT_NAME = "lttng-ust-log4j-jni"; + + private final AtomicLong eventCount = new AtomicLong(0); + + private final ILttngAgent agent; + + + /** + * Constructor + * + * @throws IOException + * This handler requires the lttng-ust-log4j-jni.so native + * library, through which it will send the trace events. This + * exception is throw is this library cannot be found. + * @throws SecurityException + * We will forward any SecurityExcepion that may be thrown when + * trying to load the JNI library. + */ + public LttngLogAppender() throws IOException, SecurityException { + super(); + /* Initialize LTTng UST tracer. */ + try { + System.loadLibrary(SHARED_OBJECT_NAME); // $NON-NLS-1$ + } catch (UnsatisfiedLinkError e) { + throw new IOException(e); + } + + /** Register to the relevant agent */ + agent = LttngLog4jAgent.getInstance(); + agent.registerHandler(this); + } + + @Override + public synchronized void close() { + agent.unregisterHandler(this); + } + + /** + * Get the number of events logged by this handler so far. This means the + * number of events actually sent through JNI to UST. + * + * @return The number of events logged so far + */ + @Override + public long getEventCount() { + return eventCount.get(); + } + + @Override + public boolean requiresLayout() { + return false; + } + + @Override + protected void append(LoggingEvent event) { + /* + * Check if the current message should be logged, according to the UST + * session settings. + */ + if (!agent.isEventEnabled(event.getLoggerName())) { + return; + } + + /* + * The line number returned from LocationInformation is a string. At + * least try to convert to a proper int. + */ + int line; + try { + String lineString = event.getLocationInformation().getLineNumber(); + line = Integer.parseInt(lineString); + } catch (NumberFormatException n) { + line = -1; + } + + /* Retrieve all the requested context information we can find */ + Collection>> enabledContexts = agent.getEnabledAppContexts(); + ContextInfoSerializer.SerializedContexts contextInfo = ContextInfoSerializer.queryAndSerializeRequestedContexts(enabledContexts); + + eventCount.incrementAndGet(); + + LttngLog4jApi.tracepointWithContext(event.getRenderedMessage(), + event.getLoggerName(), + event.getLocationInformation().getClassName(), + event.getLocationInformation().getMethodName(), + event.getLocationInformation().getFileName(), + line, + event.getTimeStamp(), + event.getLevel().toInt(), + event.getThreadName(), + contextInfo.getEntriesArray(), + contextInfo.getStringsArray()); + } + +} diff --git a/liblttng-ust-java-agent/jni/Makefile.am b/liblttng-ust-java-agent/jni/Makefile.am new file mode 100644 index 0000000..dae5120 --- /dev/null +++ b/liblttng-ust-java-agent/jni/Makefile.am @@ -0,0 +1,9 @@ +SUBDIRS = common + +if BUILD_JAVA_AGENT_WITH_JUL +SUBDIRS += jul +endif + +if BUILD_JAVA_AGENT_WITH_LOG4J +SUBDIRS += log4j +endif diff --git a/liblttng-ust-java-agent/jni/Makefile.in b/liblttng-ust-java-agent/jni/Makefile.in new file mode 100644 index 0000000..12bcaa6 --- /dev/null +++ b/liblttng-ust-java-agent/jni/Makefile.in @@ -0,0 +1,658 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "org_lttng_ust_agent_context_LttngContextApi.h" + +#include +#include +#include +#include +#include + +#include "helper.h" +#include "lttng_ust_context.h" + +enum lttng_ust_jni_type { + JNI_TYPE_NULL = 0, + JNI_TYPE_INTEGER = 1, + JNI_TYPE_LONG = 2, + JNI_TYPE_DOUBLE = 3, + JNI_TYPE_FLOAT = 4, + JNI_TYPE_BYTE = 5, + JNI_TYPE_SHORT = 6, + JNI_TYPE_BOOLEAN = 7, + JNI_TYPE_STRING = 8, +}; + +struct lttng_ust_jni_ctx_entry { + int32_t context_name_offset; + char type; /* enum lttng_ust_jni_type */ + union { + int32_t _integer; + int64_t _long; + double _double; + float _float; + signed char _byte; + int16_t _short; + signed char _boolean; + int32_t _string_offset; + } value; +} __attribute__((packed)); + +/* TLS passing context info from JNI to callbacks. */ +__thread struct lttng_ust_jni_tls lttng_ust_context_info_tls; + +static const char *get_ctx_string_at_offset(int32_t offset) +{ + signed char *ctx_strings_array = lttng_ust_context_info_tls.ctx_strings; + + if (offset < 0 || offset >= lttng_ust_context_info_tls.ctx_strings_len) { + return NULL; + } + return (const char *) (ctx_strings_array + offset); +} + +static struct lttng_ust_jni_ctx_entry *lookup_ctx_by_name(const char *ctx_name) +{ + struct lttng_ust_jni_ctx_entry *ctx_entries_array = lttng_ust_context_info_tls.ctx_entries; + int i, len = lttng_ust_context_info_tls.ctx_entries_len / sizeof(struct lttng_ust_jni_ctx_entry); + + for (i = 0; i < len; i++) { + int32_t offset = ctx_entries_array[i].context_name_offset; + const char *string = get_ctx_string_at_offset(offset); + + if (string && strcmp(string, ctx_name) == 0) { + return &ctx_entries_array[i]; + } + } + return NULL; +} + +static size_t get_size_cb(struct lttng_ctx_field *field, size_t offset) +{ + struct lttng_ust_jni_ctx_entry *jctx; + size_t size = 0; + const char *ctx_name = field->event_field.name; + enum lttng_ust_jni_type jni_type; + + + size += lib_ring_buffer_align(offset, lttng_alignof(char)); + size += sizeof(char); /* tag */ + jctx = lookup_ctx_by_name(ctx_name); + if (!jctx) { + jni_type = JNI_TYPE_NULL; + } else { + jni_type = jctx->type; + } + switch (jni_type) { + case JNI_TYPE_NULL: + break; + case JNI_TYPE_INTEGER: + size += lib_ring_buffer_align(offset, lttng_alignof(int32_t)); + size += sizeof(int32_t); /* variant */ + break; + case JNI_TYPE_LONG: + size += lib_ring_buffer_align(offset, lttng_alignof(int64_t)); + size += sizeof(int64_t); /* variant */ + break; + case JNI_TYPE_DOUBLE: + size += lib_ring_buffer_align(offset, lttng_alignof(double)); + size += sizeof(double); /* variant */ + break; + case JNI_TYPE_FLOAT: + size += lib_ring_buffer_align(offset, lttng_alignof(float)); + size += sizeof(float); /* variant */ + break; + case JNI_TYPE_SHORT: + size += lib_ring_buffer_align(offset, lttng_alignof(int16_t)); + size += sizeof(int16_t); /* variant */ + break; + case JNI_TYPE_BYTE: /* Fall-through. */ + case JNI_TYPE_BOOLEAN: + size += lib_ring_buffer_align(offset, lttng_alignof(char)); + size += sizeof(char); /* variant */ + break; + case JNI_TYPE_STRING: + { + /* The value is an offset, the string is in the "strings" array */ + int32_t string_offset = jctx->value._string_offset; + const char *string = get_ctx_string_at_offset(string_offset); + + if (string) { + size += strlen(string) + 1; + } + break; + } + default: + abort(); + } + return size; + +} + +static void record_cb(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan) +{ + struct lttng_ust_jni_ctx_entry *jctx; + const char *ctx_name = field->event_field.name; + enum lttng_ust_jni_type jni_type; + char sel_char; + + jctx = lookup_ctx_by_name(ctx_name); + if (!jctx) { + jni_type = JNI_TYPE_NULL; + } else { + jni_type = jctx->type; + } + + switch (jni_type) { + case JNI_TYPE_NULL: + sel_char = LTTNG_UST_DYNAMIC_TYPE_NONE; + lib_ring_buffer_align_ctx(ctx, lttng_alignof(char)); + chan->ops->event_write(ctx, &sel_char, sizeof(sel_char)); + break; + case JNI_TYPE_INTEGER: + { + int32_t v = jctx->value._integer; + + sel_char = LTTNG_UST_DYNAMIC_TYPE_S32; + lib_ring_buffer_align_ctx(ctx, lttng_alignof(char)); + chan->ops->event_write(ctx, &sel_char, sizeof(sel_char)); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case JNI_TYPE_LONG: + { + int64_t v = jctx->value._long; + + sel_char = LTTNG_UST_DYNAMIC_TYPE_S64; + lib_ring_buffer_align_ctx(ctx, lttng_alignof(char)); + chan->ops->event_write(ctx, &sel_char, sizeof(sel_char)); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case JNI_TYPE_DOUBLE: + { + double v = jctx->value._double; + + sel_char = LTTNG_UST_DYNAMIC_TYPE_DOUBLE; + lib_ring_buffer_align_ctx(ctx, lttng_alignof(char)); + chan->ops->event_write(ctx, &sel_char, sizeof(sel_char)); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case JNI_TYPE_FLOAT: + { + float v = jctx->value._float; + + sel_char = LTTNG_UST_DYNAMIC_TYPE_FLOAT; + lib_ring_buffer_align_ctx(ctx, lttng_alignof(char)); + chan->ops->event_write(ctx, &sel_char, sizeof(sel_char)); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case JNI_TYPE_SHORT: + { + int16_t v = jctx->value._short; + + sel_char = LTTNG_UST_DYNAMIC_TYPE_S16; + lib_ring_buffer_align_ctx(ctx, lttng_alignof(char)); + chan->ops->event_write(ctx, &sel_char, sizeof(sel_char)); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case JNI_TYPE_BYTE: + { + char v = jctx->value._byte; + + sel_char = LTTNG_UST_DYNAMIC_TYPE_S8; + lib_ring_buffer_align_ctx(ctx, lttng_alignof(char)); + chan->ops->event_write(ctx, &sel_char, sizeof(sel_char)); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case JNI_TYPE_BOOLEAN: + { + char v = jctx->value._boolean; + + sel_char = LTTNG_UST_DYNAMIC_TYPE_S8; + lib_ring_buffer_align_ctx(ctx, lttng_alignof(char)); + chan->ops->event_write(ctx, &sel_char, sizeof(sel_char)); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case JNI_TYPE_STRING: + { + int32_t offset = jctx->value._string_offset; + const char *str = get_ctx_string_at_offset(offset); + + if (str) { + sel_char = LTTNG_UST_DYNAMIC_TYPE_STRING; + } else { + sel_char = LTTNG_UST_DYNAMIC_TYPE_NONE; + } + lib_ring_buffer_align_ctx(ctx, lttng_alignof(char)); + chan->ops->event_write(ctx, &sel_char, sizeof(sel_char)); + if (str) { + chan->ops->event_write(ctx, str, strlen(str) + 1); + } + break; + } + default: + abort(); + } +} + +static void get_value_cb(struct lttng_ctx_field *field, + struct lttng_ctx_value *value) +{ + struct lttng_ust_jni_ctx_entry *jctx; + const char *ctx_name = field->event_field.name; + enum lttng_ust_jni_type jni_type; + + jctx = lookup_ctx_by_name(ctx_name); + if (!jctx) { + jni_type = JNI_TYPE_NULL; + } else { + jni_type = jctx->type; + } + + switch (jni_type) { + case JNI_TYPE_NULL: + value->sel = LTTNG_UST_DYNAMIC_TYPE_NONE; + break; + case JNI_TYPE_INTEGER: + value->sel = LTTNG_UST_DYNAMIC_TYPE_S64; + value->u.s64 = (int64_t) jctx->value._integer; + break; + case JNI_TYPE_LONG: + value->sel = LTTNG_UST_DYNAMIC_TYPE_S64; + value->u.s64 = jctx->value._long; + break; + case JNI_TYPE_DOUBLE: + value->sel = LTTNG_UST_DYNAMIC_TYPE_DOUBLE; + value->u.d = jctx->value._double; + break; + case JNI_TYPE_FLOAT: + value->sel = LTTNG_UST_DYNAMIC_TYPE_DOUBLE; + value->u.d = (double) jctx->value._float; + break; + case JNI_TYPE_SHORT: + value->sel = LTTNG_UST_DYNAMIC_TYPE_S64; + value->u.s64 = (int64_t) jctx->value._short; + break; + case JNI_TYPE_BYTE: + value->sel = LTTNG_UST_DYNAMIC_TYPE_S64; + value->u.s64 = (int64_t) jctx->value._byte; + break; + case JNI_TYPE_BOOLEAN: + value->sel = LTTNG_UST_DYNAMIC_TYPE_S64; + value->u.s64 = (int64_t) jctx->value._boolean; + break; + case JNI_TYPE_STRING: + { + int32_t offset = jctx->value._string_offset; + const char *str = get_ctx_string_at_offset(offset); + + if (str) { + value->sel = LTTNG_UST_DYNAMIC_TYPE_STRING; + value->u.str = str; + } else { + value->sel = LTTNG_UST_DYNAMIC_TYPE_NONE; + } + break; + } + default: + abort(); + } +} + +/* + * Register a context provider to UST. + * + * Called from the Java side when an application registers a context retriever, + * so we create and register a corresponding provider on the C side. + */ +JNIEXPORT jlong JNICALL Java_org_lttng_ust_agent_context_LttngContextApi_registerProvider(JNIEnv *env, + jobject jobj, + jstring provider_name) +{ + jboolean iscopy; + const char *provider_name_jstr; + char *provider_name_cstr; + struct lttng_ust_context_provider *provider; + /* + * Note: a "jlong" is 8 bytes on all architectures, whereas a + * C "long" varies. + */ + jlong provider_ref; + + provider_name_jstr = (*env)->GetStringUTFChars(env, provider_name, &iscopy); + if (!provider_name_jstr) { + goto error_jstr; + } + /* Keep our own copy of the string so UST can use it. */ + provider_name_cstr = strdup(provider_name_jstr); + (*env)->ReleaseStringUTFChars(env, provider_name, provider_name_jstr); + if (!provider_name_cstr) { + goto error_strdup; + } + provider = zmalloc(sizeof(*provider)); + if (!provider) { + goto error_provider; + } + provider->name = provider_name_cstr; + provider->get_size = get_size_cb; + provider->record = record_cb; + provider->get_value = get_value_cb; + + if (lttng_ust_context_provider_register(provider)) { + goto error_register; + } + + provider_ref = (jlong) (long) provider; + return provider_ref; + + /* Error handling. */ +error_register: + free(provider); +error_provider: + free(provider_name_cstr); +error_strdup: +error_jstr: + return 0; +} + +/* + * Unregister a previously-registered context provider. + * + * Called from the Java side when an application unregisters a context retriever, + * so we unregister and delete the corresponding provider on the C side. + */ +JNIEXPORT void JNICALL Java_org_lttng_ust_agent_context_LttngContextApi_unregisterProvider(JNIEnv *env, + jobject jobj, + jlong provider_ref) +{ + struct lttng_ust_context_provider *provider = + (struct lttng_ust_context_provider*) (unsigned long) provider_ref; + + if (!provider) { + return; + } + + lttng_ust_context_provider_unregister(provider); + + free(provider->name); + free(provider); +} diff --git a/liblttng-ust-java-agent/jni/common/lttng_ust_context.h b/liblttng-ust-java-agent/jni/common/lttng_ust_context.h new file mode 100644 index 0000000..415f7de --- /dev/null +++ b/liblttng-ust-java-agent/jni/common/lttng_ust_context.h @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2016 - EfficiOS Inc., Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef LIBLTTNG_UST_JAVA_AGENT_JNI_COMMON_LTTNG_UST_CONTEXT_H_ +#define LIBLTTNG_UST_JAVA_AGENT_JNI_COMMON_LTTNG_UST_CONTEXT_H_ + +struct lttng_ust_jni_ctx_entry; + +struct lttng_ust_jni_tls { + struct lttng_ust_jni_ctx_entry *ctx_entries; + int32_t ctx_entries_len; + signed char *ctx_strings; + int32_t ctx_strings_len; +}; + +extern __thread struct lttng_ust_jni_tls lttng_ust_context_info_tls; + +#endif /* LIBLTTNG_UST_JAVA_AGENT_JNI_COMMON_LTTNG_UST_CONTEXT_H_ */ diff --git a/liblttng-ust-java-agent/jni/jul/Makefile.am b/liblttng-ust-java-agent/jni/jul/Makefile.am new file mode 100644 index 0000000..a94d44e --- /dev/null +++ b/liblttng-ust-java-agent/jni/jul/Makefile.am @@ -0,0 +1,13 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include + +lib_LTLIBRARIES = liblttng-ust-jul-jni.la +liblttng_ust_jul_jni_la_SOURCES = lttng_ust_jul.c \ + lttng_ust_jul.h + +nodist_liblttng_ust_jul_jni_la_SOURCES = org_lttng_ust_agent_jul_LttngJulApi.h + +liblttng_ust_jul_jni_la_LIBADD = -lc \ + -L$(top_builddir)/liblttng-ust/.libs \ + -L$(top_builddir)/liblttng-ust-java-agent/jni/common/.libs \ + -llttng-ust-context-jni \ + -llttng-ust diff --git a/liblttng-ust-java-agent/jni/jul/Makefile.in b/liblttng-ust-java-agent/jni/jul/Makefile.in new file mode 100644 index 0000000..52eb948 --- /dev/null +++ b/liblttng-ust-java-agent/jni/jul/Makefile.in @@ -0,0 +1,693 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "org_lttng_ust_agent_jul_LttngJulApi.h" + +#define TRACEPOINT_DEFINE +#define TRACEPOINT_CREATE_PROBES +#include "lttng_ust_jul.h" +#include "../common/lttng_ust_context.h" + +/* + * Deprecated function from before the context information was passed. + */ +JNIEXPORT void JNICALL Java_org_lttng_ust_agent_jul_LttngJulApi_tracepoint(JNIEnv *env, + jobject jobj, + jstring msg, + jstring logger_name, + jstring class_name, + jstring method_name, + jlong millis, + jint log_level, + jint thread_id) +{ + jboolean iscopy; + const char *msg_cstr = (*env)->GetStringUTFChars(env, msg, &iscopy); + const char *logger_name_cstr = (*env)->GetStringUTFChars(env, logger_name, &iscopy); + const char *class_name_cstr = (*env)->GetStringUTFChars(env, class_name, &iscopy); + const char *method_name_cstr = (*env)->GetStringUTFChars(env, method_name, &iscopy); + + tracepoint(lttng_jul, event, msg_cstr, logger_name_cstr, + class_name_cstr, method_name_cstr, millis, log_level, thread_id); + + (*env)->ReleaseStringUTFChars(env, msg, msg_cstr); + (*env)->ReleaseStringUTFChars(env, logger_name, logger_name_cstr); + (*env)->ReleaseStringUTFChars(env, class_name, class_name_cstr); + (*env)->ReleaseStringUTFChars(env, method_name, method_name_cstr); +} + +/* + * Tracepoint used by Java applications using the JUL handler. + */ +JNIEXPORT void JNICALL Java_org_lttng_ust_agent_jul_LttngJulApi_tracepointWithContext(JNIEnv *env, + jobject jobj, + jstring msg, + jstring logger_name, + jstring class_name, + jstring method_name, + jlong millis, + jint log_level, + jint thread_id, + jbyteArray context_info_entries, + jbyteArray context_info_strings) +{ + jboolean iscopy; + const char *msg_cstr = (*env)->GetStringUTFChars(env, msg, &iscopy); + const char *logger_name_cstr = (*env)->GetStringUTFChars(env, logger_name, &iscopy); + const char *class_name_cstr = (*env)->GetStringUTFChars(env, class_name, &iscopy); + const char *method_name_cstr = (*env)->GetStringUTFChars(env, method_name, &iscopy); + signed char *context_info_entries_array; + signed char *context_info_strings_array; + + /* + * Write these to the TLS variables, so that the UST callbacks in + * lttng_ust_context.c can access them. + */ + context_info_entries_array = (*env)->GetByteArrayElements(env, context_info_entries, &iscopy); + lttng_ust_context_info_tls.ctx_entries = (struct lttng_ust_jni_ctx_entry *) context_info_entries_array; + lttng_ust_context_info_tls.ctx_entries_len = (*env)->GetArrayLength(env, context_info_entries); + context_info_strings_array = (*env)->GetByteArrayElements(env, context_info_strings, &iscopy); + lttng_ust_context_info_tls.ctx_strings = context_info_strings_array; + lttng_ust_context_info_tls.ctx_strings_len = (*env)->GetArrayLength(env, context_info_strings); + + tracepoint(lttng_jul, event, msg_cstr, logger_name_cstr, + class_name_cstr, method_name_cstr, millis, log_level, thread_id); + + lttng_ust_context_info_tls.ctx_entries = NULL; + lttng_ust_context_info_tls.ctx_entries_len = 0; + lttng_ust_context_info_tls.ctx_strings = NULL; + lttng_ust_context_info_tls.ctx_strings_len = 0; + (*env)->ReleaseStringUTFChars(env, msg, msg_cstr); + (*env)->ReleaseStringUTFChars(env, logger_name, logger_name_cstr); + (*env)->ReleaseStringUTFChars(env, class_name, class_name_cstr); + (*env)->ReleaseStringUTFChars(env, method_name, method_name_cstr); + (*env)->ReleaseByteArrayElements(env, context_info_entries, context_info_entries_array, 0); + (*env)->ReleaseByteArrayElements(env, context_info_strings, context_info_strings_array, 0); +} diff --git a/liblttng-ust-java-agent/jni/jul/lttng_ust_jul.h b/liblttng-ust-java-agent/jni/jul/lttng_ust_jul.h new file mode 100644 index 0000000..ebbe2c3 --- /dev/null +++ b/liblttng-ust-java-agent/jni/jul/lttng_ust_jul.h @@ -0,0 +1,56 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER lttng_jul + +#if !defined(_TRACEPOINT_LTTNG_UST_JUL_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_LTTNG_UST_JUL_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +/* + * Tracepoint used by Java applications using the JUL handler. + */ +TRACEPOINT_EVENT(lttng_jul, event, + TP_ARGS( + const char *, msg, + const char *, logger_name, + const char *, class_name, + const char *, method_name, + long, millis, + int, log_level, + int, thread_id), + TP_FIELDS( + ctf_string(msg, msg) + ctf_string(logger_name, logger_name) + ctf_string(class_name, class_name) + ctf_string(method_name, method_name) + ctf_integer(long, long_millis, millis) + ctf_integer(int, int_loglevel, log_level) + ctf_integer(int, int_threadid, thread_id) + ) +) + +#endif /* _TRACEPOINT_LTTNG_UST_JUL_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./lttng_ust_jul.h" + +/* This part must be outside protection */ +#include diff --git a/liblttng-ust-java-agent/jni/log4j/Makefile.am b/liblttng-ust-java-agent/jni/log4j/Makefile.am new file mode 100644 index 0000000..5545631 --- /dev/null +++ b/liblttng-ust-java-agent/jni/log4j/Makefile.am @@ -0,0 +1,13 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include + +lib_LTLIBRARIES = liblttng-ust-log4j-jni.la +liblttng_ust_log4j_jni_la_SOURCES = lttng_ust_log4j.c \ + lttng_ust_log4j.h + +nodist_liblttng_ust_log4j_jni_la_SOURCES = org_lttng_ust_agent_log4j_LttngLog4jApi.h + +liblttng_ust_log4j_jni_la_LIBADD = -lc \ + -L$(top_builddir)/liblttng-ust/.libs \ + -L$(top_builddir)/liblttng-ust-java-agent/jni/common/.libs \ + -llttng-ust-context-jni \ + -llttng-ust diff --git a/liblttng-ust-java-agent/jni/log4j/Makefile.in b/liblttng-ust-java-agent/jni/log4j/Makefile.in new file mode 100644 index 0000000..a8d1412 --- /dev/null +++ b/liblttng-ust-java-agent/jni/log4j/Makefile.in @@ -0,0 +1,693 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "org_lttng_ust_agent_log4j_LttngLog4jApi.h" + +#define TRACEPOINT_DEFINE +#define TRACEPOINT_CREATE_PROBES +#include "lttng_ust_log4j.h" +#include "../common/lttng_ust_context.h" + +/* + * Deprecated function from before the context information was passed. + */ +JNIEXPORT void JNICALL Java_org_lttng_ust_agent_log4j_LttngLog4jApi_tracepoint(JNIEnv *env, + jobject jobj, + jstring msg, + jstring logger_name, + jstring class_name, + jstring method_name, + jstring file_name, + jint line_number, + jlong timestamp, + jint loglevel, + jstring thread_name) +{ + jboolean iscopy; + const char *msg_cstr = (*env)->GetStringUTFChars(env, msg, &iscopy); + const char *logger_name_cstr = (*env)->GetStringUTFChars(env, logger_name, &iscopy); + const char *class_name_cstr = (*env)->GetStringUTFChars(env, class_name, &iscopy); + const char *method_name_cstr = (*env)->GetStringUTFChars(env, method_name, &iscopy); + const char *file_name_cstr = (*env)->GetStringUTFChars(env, file_name, &iscopy); + const char *thread_name_cstr = (*env)->GetStringUTFChars(env, thread_name, &iscopy); + + tracepoint(lttng_log4j, event, msg_cstr, logger_name_cstr, + class_name_cstr, method_name_cstr, file_name_cstr, + line_number, timestamp, loglevel, thread_name_cstr); + + (*env)->ReleaseStringUTFChars(env, msg, msg_cstr); + (*env)->ReleaseStringUTFChars(env, logger_name, logger_name_cstr); + (*env)->ReleaseStringUTFChars(env, class_name, class_name_cstr); + (*env)->ReleaseStringUTFChars(env, method_name, method_name_cstr); + (*env)->ReleaseStringUTFChars(env, file_name, file_name_cstr); + (*env)->ReleaseStringUTFChars(env, thread_name, thread_name_cstr); +} + +/* + * Tracepoint used by Java applications using the log4j handler. + */ +JNIEXPORT void JNICALL Java_org_lttng_ust_agent_log4j_LttngLog4jApi_tracepointWithContext(JNIEnv *env, + jobject jobj, + jstring msg, + jstring logger_name, + jstring class_name, + jstring method_name, + jstring file_name, + jint line_number, + jlong timestamp, + jint loglevel, + jstring thread_name, + jbyteArray context_info_entries, + jbyteArray context_info_strings) +{ + jboolean iscopy; + const char *msg_cstr = (*env)->GetStringUTFChars(env, msg, &iscopy); + const char *logger_name_cstr = (*env)->GetStringUTFChars(env, logger_name, &iscopy); + const char *class_name_cstr = (*env)->GetStringUTFChars(env, class_name, &iscopy); + const char *method_name_cstr = (*env)->GetStringUTFChars(env, method_name, &iscopy); + const char *file_name_cstr = (*env)->GetStringUTFChars(env, file_name, &iscopy); + const char *thread_name_cstr = (*env)->GetStringUTFChars(env, thread_name, &iscopy); + signed char *context_info_entries_array; + signed char *context_info_strings_array; + + /* + * Write these to the TLS variables, so that the UST callbacks in + * lttng_ust_context.c can access them. + */ + context_info_entries_array = (*env)->GetByteArrayElements(env, context_info_entries, &iscopy); + lttng_ust_context_info_tls.ctx_entries = (struct lttng_ust_jni_ctx_entry *) context_info_entries_array; + lttng_ust_context_info_tls.ctx_entries_len = (*env)->GetArrayLength(env, context_info_entries); + context_info_strings_array = (*env)->GetByteArrayElements(env, context_info_strings, &iscopy); + lttng_ust_context_info_tls.ctx_strings = context_info_strings_array; + lttng_ust_context_info_tls.ctx_strings_len = (*env)->GetArrayLength(env, context_info_strings); + + tracepoint(lttng_log4j, event, msg_cstr, logger_name_cstr, + class_name_cstr, method_name_cstr, file_name_cstr, + line_number, timestamp, loglevel, thread_name_cstr); + + lttng_ust_context_info_tls.ctx_entries = NULL; + lttng_ust_context_info_tls.ctx_entries_len = 0; + lttng_ust_context_info_tls.ctx_strings = NULL; + lttng_ust_context_info_tls.ctx_strings_len = 0; + (*env)->ReleaseStringUTFChars(env, msg, msg_cstr); + (*env)->ReleaseStringUTFChars(env, logger_name, logger_name_cstr); + (*env)->ReleaseStringUTFChars(env, class_name, class_name_cstr); + (*env)->ReleaseStringUTFChars(env, method_name, method_name_cstr); + (*env)->ReleaseStringUTFChars(env, file_name, file_name_cstr); + (*env)->ReleaseStringUTFChars(env, thread_name, thread_name_cstr); + (*env)->ReleaseByteArrayElements(env, context_info_entries, context_info_entries_array, 0); + (*env)->ReleaseByteArrayElements(env, context_info_strings, context_info_strings_array, 0); +} diff --git a/liblttng-ust-java-agent/jni/log4j/lttng_ust_log4j.h b/liblttng-ust-java-agent/jni/log4j/lttng_ust_log4j.h new file mode 100644 index 0000000..d9b592d --- /dev/null +++ b/liblttng-ust-java-agent/jni/log4j/lttng_ust_log4j.h @@ -0,0 +1,60 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER lttng_log4j + +#if !defined(_TRACEPOINT_LTTNG_UST_LOG4J_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_LTTNG_UST_LOG4J_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +/* + * Tracepoint used by Java applications using the log4j log appender. + */ +TRACEPOINT_EVENT(lttng_log4j, event, + TP_ARGS( + const char *, msg, + const char *, logger_name, + const char *, class_name, + const char *, method_name, + const char *, file_name, + int, line_number, + long, timestamp, + int, log_level, + const char *, thread_name), + TP_FIELDS( + ctf_string(msg, msg) + ctf_string(logger_name, logger_name) + ctf_string(class_name, class_name) + ctf_string(method_name, method_name) + ctf_string(filename, file_name) + ctf_integer(int, line_number, line_number) + ctf_integer(long, timestamp, timestamp) + ctf_integer(int, int_loglevel, log_level) + ctf_string(thread_name, thread_name) + ) +) + +#endif /* _TRACEPOINT_LTTNG_UST_LOG4J_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./lttng_ust_log4j.h" + +/* This part must be outside protection */ +#include diff --git a/liblttng-ust-java/LTTngUst.c b/liblttng-ust-java/LTTngUst.c new file mode 100644 index 0000000..4549fde --- /dev/null +++ b/liblttng-ust-java/LTTngUst.c @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2011-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "org_lttng_ust_LTTngUst.h" + +#define TRACEPOINT_DEFINE +#define TRACEPOINT_CREATE_PROBES +#include "lttng_ust_java.h" + +JNIEXPORT void JNICALL Java_org_lttng_ust_LTTngUst_tracepointInt(JNIEnv *env, + jobject jobj, + jstring ev_name, + jint payload) +{ + jboolean iscopy; + const char *ev_name_cstr = (*env)->GetStringUTFChars(env, ev_name, &iscopy); + + tracepoint(lttng_ust_java, int_event, ev_name_cstr, payload); + + (*env)->ReleaseStringUTFChars(env, ev_name, ev_name_cstr); +} + +JNIEXPORT void JNICALL Java_org_lttng_ust_LTTngUst_tracepointIntInt(JNIEnv *env, + jobject jobj, + jstring ev_name, + jint payload1, + jint payload2) +{ + jboolean iscopy; + const char *ev_name_cstr = (*env)->GetStringUTFChars(env, ev_name, &iscopy); + + tracepoint(lttng_ust_java, int_int_event, ev_name_cstr, payload1, payload2); + + (*env)->ReleaseStringUTFChars(env, ev_name, ev_name_cstr); +} + +JNIEXPORT void JNICALL Java_org_lttng_ust_LTTngUst_tracepointLong(JNIEnv *env, + jobject jobj, + jstring ev_name, + jlong payload) +{ + jboolean iscopy; + const char *ev_name_cstr = (*env)->GetStringUTFChars(env, ev_name, &iscopy); + + tracepoint(lttng_ust_java, long_event, ev_name_cstr, payload); + + (*env)->ReleaseStringUTFChars(env, ev_name, ev_name_cstr); +} + +JNIEXPORT void JNICALL Java_org_lttng_ust_LTTngUst_tracepointLongLong(JNIEnv *env, + jobject jobj, + jstring ev_name, + jlong payload1, + jlong payload2) +{ + jboolean iscopy; + const char *ev_name_cstr = (*env)->GetStringUTFChars(env, ev_name, &iscopy); + + tracepoint(lttng_ust_java, long_long_event, ev_name_cstr, payload1, payload2); + + (*env)->ReleaseStringUTFChars(env, ev_name, ev_name_cstr); +} + +JNIEXPORT void JNICALL Java_org_lttng_ust_LTTngUst_tracepointString(JNIEnv *env, + jobject jobj, + jstring ev_name, + jstring payload) +{ + jboolean iscopy; + const char *ev_name_cstr = (*env)->GetStringUTFChars(env, ev_name, &iscopy); + const char *payload_cstr = (*env)->GetStringUTFChars(env, payload, &iscopy); + + tracepoint(lttng_ust_java, string_event, ev_name_cstr, payload_cstr); + + (*env)->ReleaseStringUTFChars(env, ev_name, ev_name_cstr); + (*env)->ReleaseStringUTFChars(env, payload, payload_cstr); +} + diff --git a/liblttng-ust-java/Makefile.am b/liblttng-ust-java/Makefile.am new file mode 100644 index 0000000..baada57 --- /dev/null +++ b/liblttng-ust-java/Makefile.am @@ -0,0 +1,28 @@ +JAVAROOT = . +jarfile = liblttng-ust-java.jar +jardir = $(datadir)/java +pkgpath = org/lttng/ust + +dist_noinst_JAVA = $(pkgpath)/LTTngUst.java +jar_DATA = $(jarfile) +BUILT_SOURCES = org_lttng_ust_LTTngUst.h + +AM_CPPFLAGS = -I$(top_srcdir)/include +lib_LTLIBRARIES = liblttng-ust-java.la +liblttng_ust_java_la_SOURCES = LTTngUst.c lttng_ust_java.h +nodist_liblttng_ust_java_la_SOURCES = org_lttng_ust_LTTngUst.h + +liblttng_ust_java_la_LIBADD = -lc -L$(top_builddir)/liblttng-ust/.libs -llttng-ust + +$(jarfile): classnoinst.stamp + $(JAR) cf $(JARFLAGS) $@ $(pkgpath)/*.class + +org_lttng_ust_LTTngUst.h: jni-header.stamp + +jni-header.stamp: $(dist_noinst_JAVA) + $(JAVAH) -classpath $(srcdir) $(JAVAHFLAGS) org.lttng.ust.LTTngUst && \ + echo "JNI header generated" > jni-header.stamp + +all-local: org_lttng_ust_LTTngUst.h + +CLEANFILES = $(jarfile) $(pkgpath)/*.class jni-header.stamp org_lttng_ust_LTTngUst.h diff --git a/liblttng-ust-java/Makefile.in b/liblttng-ust-java/Makefile.in new file mode 100644 index 0000000..e8c4bf8 --- /dev/null +++ b/liblttng-ust-java/Makefile.in @@ -0,0 +1,750 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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jni-header.stamp + +all-local: org_lttng_ust_LTTngUst.h + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/liblttng-ust-java/README b/liblttng-ust-java/README new file mode 100644 index 0000000..d2ca478 --- /dev/null +++ b/liblttng-ust-java/README @@ -0,0 +1,15 @@ +This directory contains a simple API for instrumenting java applications. + +Configuration examples to build this library: + +dependency: openjdk-7-jdk +./configure --enable-jni-interface + +Note that the OpenJDK 7 is used for development and continuous integration thus +we directly support that version for this library. However, it has been tested +with OpenJDK 6 also. Please let us know if other Java version (commercial or +not) work with this library. + +After building, you can use the liblttng-ust-java.jar file in a Java project. +It requires the liblttng-ust-java.so* files (which get installed when doing +`make install') so make sure those are in the linker's library path. diff --git a/liblttng-ust-java/lttng_ust_java.h b/liblttng-ust-java/lttng_ust_java.h new file mode 100644 index 0000000..8b9e972 --- /dev/null +++ b/liblttng-ust-java/lttng_ust_java.h @@ -0,0 +1,75 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER lttng_ust_java + +#if !defined(_TRACEPOINT_LTTNG_UST_JAVA_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_LTTNG_UST_JAVA_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +TRACEPOINT_EVENT(lttng_ust_java, int_event, + TP_ARGS(const char *, name, int, payload), + TP_FIELDS( + ctf_string(name, name) + ctf_integer(int, int_payload, payload) + ) +) + +TRACEPOINT_EVENT(lttng_ust_java, int_int_event, + TP_ARGS(const char *, name, int, payload1, int, payload2), + TP_FIELDS( + ctf_string(name, name) + ctf_integer(int, int_payload1, payload1) + ctf_integer(int, int_payload2, payload2) + ) +) + +TRACEPOINT_EVENT(lttng_ust_java, long_event, + TP_ARGS(const char *, name, long, payload), + TP_FIELDS( + ctf_string(name, name) + ctf_integer(long, long_payload, payload) + ) +) + +TRACEPOINT_EVENT(lttng_ust_java, long_long_event, + TP_ARGS(const char *, name, long, payload1, long, payload2), + TP_FIELDS( + ctf_string(name, name) + ctf_integer(long, long_payload1, payload1) + ctf_integer(long, long_payload2, payload2) + ) +) + +TRACEPOINT_EVENT(lttng_ust_java, string_event, + TP_ARGS(const char *, name, const char *, payload), + TP_FIELDS( + ctf_string(name, name) + ctf_string(string_payload, payload) + ) +) + +#endif /* _TRACEPOINT_LTTNG_UST_JAVA_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./lttng_ust_java.h" + +/* This part must be outside protection */ +#include diff --git a/liblttng-ust-java/org/lttng/ust/LTTngUst.java b/liblttng-ust-java/org/lttng/ust/LTTngUst.java new file mode 100644 index 0000000..79ad97a --- /dev/null +++ b/liblttng-ust-java/org/lttng/ust/LTTngUst.java @@ -0,0 +1,110 @@ +/** + * Copyright (C) 2011-2012 Mathieu Desnoyers + * Copyright (C) 2012 Alexandre Montplaisir + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package org.lttng.ust; + +/** + * This class implements the the Java side of the LTTng-UST Java interface. + * + * First, make sure you have installed "liblttng-ust-java.so" where the linker + * can find it. You can then call LTTngUst.init() from your Java program to + * connect the methods exposed here to the native library. + * + * Because of limitations in the probe declaration, all trace events generated + * by this library will have "lttng_ust_java" for domain, and "_event" for + * event name in the CTF trace files. The "name" parameter will instead appear + * as the first element of the event's payload. + * + * @author Mathieu Desnoyers + * @author Alexandre Montplaisir + * + */ +public abstract class LTTngUst { + + /** + * Initialize the UST tracer. This should always be called first, before any + * tracepoint* method. + */ + public static void init() { + System.loadLibrary("lttng-ust-java"); //$NON-NLS-1$ + } + + /** + * Insert a tracepoint with a payload of type Integer. + * + * @param name + * The name assigned to this event. For best performance, this + * should be a statically-defined String, or a literal. + * @param payload + * The int payload + */ + public static native void tracepointInt(String name, int payload); + + /** + * Insert a tracepoint with a payload consisting of two integers. + * + * @param name + * The name assigned to this event. For best performance, this + * should be a statically-defined String, or a literal. + * @param payload1 + * The first int payload + * @param payload2 + * The second int payload + */ + public static native void + tracepointIntInt(String name, int payload1, int payload2); + + /** + * Insert a tracepoint with a payload of type Long + * + * @param name + * The name assigned to this event. For best performance, this + * should be a statically-defined String, or a literal. + * @param payload + * The long payload + */ + public static native void tracepointLong(String name, long payload); + + /** + * Insert a tracepoint with a payload consisting of two longs. + * + * @param name + * The name assigned to this event. For best performance, this + * should be a statically-defined String, or a literal. + * @param payload1 + * The first long payload + * @param payload2 + * The second long payload + */ + public static native void + tracepointLongLong(String name, long payload1, long payload2); + + /** + * Insert a tracepoint with a String payload. + * + * @param name + * The name assigned to this event. For best performance, this + * should be a statically-defined String, or a literal. + * @param payload + * The String payload + */ + public static native void tracepointString(String name, String payload); + +} + diff --git a/liblttng-ust-libc-wrapper/Makefile.am b/liblttng-ust-libc-wrapper/Makefile.am new file mode 100644 index 0000000..d402d53 --- /dev/null +++ b/liblttng-ust-libc-wrapper/Makefile.am @@ -0,0 +1,30 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include +AM_CFLAGS = -fno-strict-aliasing + +lib_LTLIBRARIES = liblttng-ust-libc-wrapper.la \ + liblttng-ust-pthread-wrapper.la +liblttng_ust_libc_wrapper_la_SOURCES = \ + lttng-ust-malloc.c \ + ust_libc.h +liblttng_ust_libc_wrapper_la_LIBADD = \ + -L$(top_builddir)/liblttng-ust/.libs \ + -llttng-ust + +liblttng_ust_pthread_wrapper_la_SOURCES = \ + lttng-ust-pthread.c \ + ust_pthread.h +liblttng_ust_pthread_wrapper_la_LIBADD = \ + -L$(top_builddir)/liblttng-ust/.libs \ + -llttng-ust + +if LTTNG_UST_BUILD_WITH_LIBDL +liblttng_ust_libc_wrapper_la_LIBADD += -ldl +liblttng_ust_pthread_wrapper_la_LIBADD += -ldl +endif +if LTTNG_UST_BUILD_WITH_LIBC_DL +liblttng_ust_libc_wrapper_la_LIBADD += -lc +liblttng_ust_pthread_wrapper_la_LIBADD += -lc +endif + +noinst_SCRIPTS = run +EXTRA_DIST = run diff --git a/liblttng-ust-libc-wrapper/Makefile.in b/liblttng-ust-libc-wrapper/Makefile.in new file mode 100644 index 0000000..3531868 --- /dev/null +++ b/liblttng-ust-libc-wrapper/Makefile.in @@ -0,0 +1,718 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: + +install-dvi: install-dvi-am + +install-dvi-am: + +install-exec-am: install-libLTLIBRARIES + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + +install-man: + +install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-libLTLIBRARIES + +.MAKE: install-am install-strip + +.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \ + clean-libLTLIBRARIES clean-libtool cscopelist-am ctags \ + ctags-am distclean distclean-compile distclean-generic \ + distclean-libtool distclean-tags distdir dvi dvi-am html \ + html-am info info-am install install-am install-data \ + install-data-am install-dvi install-dvi-am install-exec \ + install-exec-am install-html install-html-am install-info \ + install-info-am install-libLTLIBRARIES install-man install-pdf \ + install-pdf-am install-ps install-ps-am install-strip \ + installcheck installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am uninstall-libLTLIBRARIES + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/liblttng-ust-libc-wrapper/README b/liblttng-ust-libc-wrapper/README new file mode 100644 index 0000000..09e17cb --- /dev/null +++ b/liblttng-ust-libc-wrapper/README @@ -0,0 +1,9 @@ +liblttng-ust-libc is used for instrumenting some calls to libc in a +program, without need for recompiling it. + +This library defines a malloc() function that is instrumented with a +tracepoint. It also calls the libc malloc afterwards. When loaded with +LD_PRELOAD, it replaces the libc malloc() function, in effect +instrumenting all calls to malloc(). The same is performed for free(). + +See the "run" script for a usage example. diff --git a/liblttng-ust-libc-wrapper/lttng-ust-malloc.c b/liblttng-ust-libc-wrapper/lttng-ust-malloc.c new file mode 100644 index 0000000..d1ad3cf --- /dev/null +++ b/liblttng-ust-libc-wrapper/lttng-ust-malloc.c @@ -0,0 +1,431 @@ +/* + * Copyright (C) 2009 Pierre-Marc Fournier + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define TRACEPOINT_DEFINE +#define TRACEPOINT_CREATE_PROBES +#define TP_IP_PARAM ip +#include "ust_libc.h" + +#define STATIC_CALLOC_LEN 4096 +static char static_calloc_buf[STATIC_CALLOC_LEN]; +static unsigned long static_calloc_buf_offset; + +struct alloc_functions { + void *(*calloc)(size_t nmemb, size_t size); + void *(*malloc)(size_t size); + void (*free)(void *ptr); + void *(*realloc)(void *ptr, size_t size); + void *(*memalign)(size_t alignment, size_t size); + int (*posix_memalign)(void **memptr, size_t alignment, size_t size); +}; + +static +struct alloc_functions cur_alloc; + +/* + * Make sure our own use of the LTS compat layer will not cause infinite + * recursion by calling calloc. + */ + +static +void *static_calloc(size_t nmemb, size_t size); + +/* + * pthread mutex replacement for URCU tls compat layer. + */ +static int ust_malloc_lock; + +static __attribute__((unused)) +void ust_malloc_spin_lock(pthread_mutex_t *lock) +{ + /* + * The memory barrier within cmpxchg takes care of ordering + * memory accesses with respect to the start of the critical + * section. + */ + while (uatomic_cmpxchg(&ust_malloc_lock, 0, 1) != 0) + caa_cpu_relax(); +} + +static __attribute__((unused)) +void ust_malloc_spin_unlock(pthread_mutex_t *lock) +{ + /* + * Ensure memory accesses within the critical section do not + * leak outside. + */ + cmm_smp_mb(); + uatomic_set(&ust_malloc_lock, 0); +} + +#define calloc static_calloc +#define pthread_mutex_lock ust_malloc_spin_lock +#define pthread_mutex_unlock ust_malloc_spin_unlock +static DEFINE_URCU_TLS(int, malloc_nesting); +#undef ust_malloc_spin_unlock +#undef ust_malloc_spin_lock +#undef calloc + +/* + * Static allocator to use when initially executing dlsym(). It keeps a + * size_t value of each object size prior to the object. + */ +static +void *static_calloc_aligned(size_t nmemb, size_t size, size_t alignment) +{ + size_t prev_offset, new_offset, res_offset, aligned_offset; + + if (nmemb * size == 0) { + return NULL; + } + + /* + * Protect static_calloc_buf_offset from concurrent updates + * using a cmpxchg loop rather than a mutex to remove a + * dependency on pthread. This will minimize the risk of bad + * interaction between mutex and malloc instrumentation. + */ + res_offset = CMM_LOAD_SHARED(static_calloc_buf_offset); + do { + prev_offset = res_offset; + aligned_offset = ALIGN(prev_offset + sizeof(size_t), alignment); + new_offset = aligned_offset + nmemb * size; + if (new_offset > sizeof(static_calloc_buf)) { + abort(); + } + } while ((res_offset = uatomic_cmpxchg(&static_calloc_buf_offset, + prev_offset, new_offset)) != prev_offset); + *(size_t *) &static_calloc_buf[aligned_offset - sizeof(size_t)] = size; + return &static_calloc_buf[aligned_offset]; +} + +static +void *static_calloc(size_t nmemb, size_t size) +{ + void *retval; + + retval = static_calloc_aligned(nmemb, size, 1); + return retval; +} + +static +void *static_malloc(size_t size) +{ + void *retval; + + retval = static_calloc_aligned(1, size, 1); + return retval; +} + +static +void static_free(void *ptr) +{ + /* no-op. */ +} + +static +void *static_realloc(void *ptr, size_t size) +{ + size_t *old_size = NULL; + void *retval; + + if (size == 0) { + retval = NULL; + goto end; + } + + if (ptr) { + old_size = (size_t *) ptr - 1; + if (size <= *old_size) { + /* We can re-use the old entry. */ + *old_size = size; + retval = ptr; + goto end; + } + } + /* We need to expand. Don't free previous memory location. */ + retval = static_calloc_aligned(1, size, 1); + assert(retval); + if (ptr) + memcpy(retval, ptr, *old_size); +end: + return retval; +} + +static +void *static_memalign(size_t alignment, size_t size) +{ + void *retval; + + retval = static_calloc_aligned(1, size, alignment); + return retval; +} + +static +int static_posix_memalign(void **memptr, size_t alignment, size_t size) +{ + void *ptr; + + /* Check for power of 2, larger than void *. */ + if (alignment & (alignment - 1) + || alignment < sizeof(void *) + || alignment == 0) { + goto end; + } + ptr = static_calloc_aligned(1, size, alignment); + *memptr = ptr; +end: + return 0; +} + +static +void setup_static_allocator(void) +{ + assert(cur_alloc.calloc == NULL); + cur_alloc.calloc = static_calloc; + assert(cur_alloc.malloc == NULL); + cur_alloc.malloc = static_malloc; + assert(cur_alloc.free == NULL); + cur_alloc.free = static_free; + assert(cur_alloc.realloc == NULL); + cur_alloc.realloc = static_realloc; + assert(cur_alloc.memalign == NULL); + cur_alloc.memalign = static_memalign; + assert(cur_alloc.posix_memalign == NULL); + cur_alloc.posix_memalign = static_posix_memalign; +} + +static +void lookup_all_symbols(void) +{ + struct alloc_functions af; + + /* + * Temporarily redirect allocation functions to + * static_calloc_aligned, and free function to static_free + * (no-op), until the dlsym lookup has completed. + */ + setup_static_allocator(); + + /* Perform the actual lookups */ + af.calloc = dlsym(RTLD_NEXT, "calloc"); + af.malloc = dlsym(RTLD_NEXT, "malloc"); + af.free = dlsym(RTLD_NEXT, "free"); + af.realloc = dlsym(RTLD_NEXT, "realloc"); + af.memalign = dlsym(RTLD_NEXT, "memalign"); + af.posix_memalign = dlsym(RTLD_NEXT, "posix_memalign"); + + /* Populate the new allocator functions */ + memcpy(&cur_alloc, &af, sizeof(cur_alloc)); +} + +void *malloc(size_t size) +{ + void *retval; + + URCU_TLS(malloc_nesting)++; + if (cur_alloc.malloc == NULL) { + lookup_all_symbols(); + if (cur_alloc.malloc == NULL) { + fprintf(stderr, "mallocwrap: unable to find malloc\n"); + abort(); + } + } + retval = cur_alloc.malloc(size); + if (URCU_TLS(malloc_nesting) == 1) { + tracepoint(lttng_ust_libc, malloc, + size, retval, LTTNG_UST_CALLER_IP()); + } + URCU_TLS(malloc_nesting)--; + return retval; +} + +void free(void *ptr) +{ + URCU_TLS(malloc_nesting)++; + /* + * Check whether the memory was allocated with + * static_calloc_align, in which case there is nothing to free. + */ + if (caa_unlikely((char *)ptr >= static_calloc_buf && + (char *)ptr < static_calloc_buf + STATIC_CALLOC_LEN)) { + goto end; + } + + if (URCU_TLS(malloc_nesting) == 1) { + tracepoint(lttng_ust_libc, free, + ptr, LTTNG_UST_CALLER_IP()); + } + + if (cur_alloc.free == NULL) { + lookup_all_symbols(); + if (cur_alloc.free == NULL) { + fprintf(stderr, "mallocwrap: unable to find free\n"); + abort(); + } + } + cur_alloc.free(ptr); +end: + URCU_TLS(malloc_nesting)--; +} + +void *calloc(size_t nmemb, size_t size) +{ + void *retval; + + URCU_TLS(malloc_nesting)++; + if (cur_alloc.calloc == NULL) { + lookup_all_symbols(); + if (cur_alloc.calloc == NULL) { + fprintf(stderr, "callocwrap: unable to find calloc\n"); + abort(); + } + } + retval = cur_alloc.calloc(nmemb, size); + if (URCU_TLS(malloc_nesting) == 1) { + tracepoint(lttng_ust_libc, calloc, + nmemb, size, retval, LTTNG_UST_CALLER_IP()); + } + URCU_TLS(malloc_nesting)--; + return retval; +} + +void *realloc(void *ptr, size_t size) +{ + void *retval; + + URCU_TLS(malloc_nesting)++; + /* + * Check whether the memory was allocated with + * static_calloc_align, in which case there is nothing + * to free, and we need to copy the old data. + */ + if (caa_unlikely((char *)ptr >= static_calloc_buf && + (char *)ptr < static_calloc_buf + STATIC_CALLOC_LEN)) { + size_t *old_size; + + old_size = (size_t *) ptr - 1; + if (cur_alloc.calloc == NULL) { + lookup_all_symbols(); + if (cur_alloc.calloc == NULL) { + fprintf(stderr, "reallocwrap: unable to find calloc\n"); + abort(); + } + } + retval = cur_alloc.calloc(1, size); + if (retval) { + memcpy(retval, ptr, *old_size); + } + /* + * Mimick that a NULL pointer has been received, so + * memory allocation analysis based on the trace don't + * get confused by the address from the static + * allocator. + */ + ptr = NULL; + goto end; + } + + if (cur_alloc.realloc == NULL) { + lookup_all_symbols(); + if (cur_alloc.realloc == NULL) { + fprintf(stderr, "reallocwrap: unable to find realloc\n"); + abort(); + } + } + retval = cur_alloc.realloc(ptr, size); +end: + if (URCU_TLS(malloc_nesting) == 1) { + tracepoint(lttng_ust_libc, realloc, + ptr, size, retval, LTTNG_UST_CALLER_IP()); + } + URCU_TLS(malloc_nesting)--; + return retval; +} + +void *memalign(size_t alignment, size_t size) +{ + void *retval; + + URCU_TLS(malloc_nesting)++; + if (cur_alloc.memalign == NULL) { + lookup_all_symbols(); + if (cur_alloc.memalign == NULL) { + fprintf(stderr, "memalignwrap: unable to find memalign\n"); + abort(); + } + } + retval = cur_alloc.memalign(alignment, size); + if (URCU_TLS(malloc_nesting) == 1) { + tracepoint(lttng_ust_libc, memalign, + alignment, size, retval, + LTTNG_UST_CALLER_IP()); + } + URCU_TLS(malloc_nesting)--; + return retval; +} + +int posix_memalign(void **memptr, size_t alignment, size_t size) +{ + int retval; + + URCU_TLS(malloc_nesting)++; + if (cur_alloc.posix_memalign == NULL) { + lookup_all_symbols(); + if (cur_alloc.posix_memalign == NULL) { + fprintf(stderr, "posix_memalignwrap: unable to find posix_memalign\n"); + abort(); + } + } + retval = cur_alloc.posix_memalign(memptr, alignment, size); + if (URCU_TLS(malloc_nesting) == 1) { + tracepoint(lttng_ust_libc, posix_memalign, + *memptr, alignment, size, + retval, LTTNG_UST_CALLER_IP()); + } + URCU_TLS(malloc_nesting)--; + return retval; +} + +__attribute__((constructor)) +void lttng_ust_malloc_wrapper_init(void) +{ + /* Initialization already done */ + if (cur_alloc.calloc) { + return; + } + /* + * Ensure the allocator is in place before the process becomes + * multithreaded. + */ + lookup_all_symbols(); +} diff --git a/liblttng-ust-libc-wrapper/lttng-ust-pthread.c b/liblttng-ust-libc-wrapper/lttng-ust-pthread.c new file mode 100644 index 0000000..c6b8ae0 --- /dev/null +++ b/liblttng-ust-libc-wrapper/lttng-ust-pthread.c @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2013 Mentor Graphics + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include +#include +#include + +#define TRACEPOINT_DEFINE +#define TRACEPOINT_CREATE_PROBES +#define TP_IP_PARAM ip +#include "ust_pthread.h" + +static __thread int thread_in_trace; + +int pthread_mutex_lock(pthread_mutex_t *mutex) +{ + static int (*mutex_lock)(pthread_mutex_t *); + int retval; + + if (!mutex_lock) { + mutex_lock = dlsym(RTLD_NEXT, "pthread_mutex_lock"); + if (!mutex_lock) { + if (thread_in_trace) { + abort(); + } + fprintf(stderr, "unable to initialize pthread wrapper library.\n"); + return EINVAL; + } + } + if (thread_in_trace) { + return mutex_lock(mutex); + } + + thread_in_trace = 1; + tracepoint(lttng_ust_pthread, pthread_mutex_lock_req, mutex, + LTTNG_UST_CALLER_IP()); + retval = mutex_lock(mutex); + tracepoint(lttng_ust_pthread, pthread_mutex_lock_acq, mutex, + retval, LTTNG_UST_CALLER_IP()); + thread_in_trace = 0; + return retval; +} + +int pthread_mutex_trylock(pthread_mutex_t *mutex) +{ + static int (*mutex_trylock)(pthread_mutex_t *); + int retval; + + if (!mutex_trylock) { + mutex_trylock = dlsym(RTLD_NEXT, "pthread_mutex_trylock"); + if (!mutex_trylock) { + if (thread_in_trace) { + abort(); + } + fprintf(stderr, "unable to initialize pthread wrapper library.\n"); + return EINVAL; + } + } + if (thread_in_trace) { + return mutex_trylock(mutex); + } + + thread_in_trace = 1; + retval = mutex_trylock(mutex); + tracepoint(lttng_ust_pthread, pthread_mutex_trylock, mutex, + retval, LTTNG_UST_CALLER_IP()); + thread_in_trace = 0; + return retval; +} + +int pthread_mutex_unlock(pthread_mutex_t *mutex) +{ + static int (*mutex_unlock)(pthread_mutex_t *); + int retval; + + if (!mutex_unlock) { + mutex_unlock = dlsym(RTLD_NEXT, "pthread_mutex_unlock"); + if (!mutex_unlock) { + if (thread_in_trace) { + abort(); + } + fprintf(stderr, "unable to initialize pthread wrapper library.\n"); + return EINVAL; + } + } + if (thread_in_trace) { + return mutex_unlock(mutex); + } + + thread_in_trace = 1; + retval = mutex_unlock(mutex); + tracepoint(lttng_ust_pthread, pthread_mutex_unlock, mutex, + retval, LTTNG_UST_CALLER_IP()); + thread_in_trace = 0; + return retval; +} diff --git a/liblttng-ust-libc-wrapper/run b/liblttng-ust-libc-wrapper/run new file mode 100755 index 0000000..80d4175 --- /dev/null +++ b/liblttng-ust-libc-wrapper/run @@ -0,0 +1,3 @@ +#!/bin/sh + +LD_VERBOSE=1 LD_PRELOAD=.libs/liblttng-ust-libc-wrapper.so ${*} diff --git a/liblttng-ust-libc-wrapper/ust_libc.h b/liblttng-ust-libc-wrapper/ust_libc.h new file mode 100644 index 0000000..6bcfd39 --- /dev/null +++ b/liblttng-ust-libc-wrapper/ust_libc.h @@ -0,0 +1,97 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER lttng_ust_libc + +#if !defined(_TRACEPOINT_UST_LIBC_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_LIBC_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +TRACEPOINT_EVENT(lttng_ust_libc, malloc, + TP_ARGS(size_t, size, void *, ptr, void *, ip), + TP_FIELDS( + ctf_integer(size_t, size, size) + ctf_integer_hex(void *, ptr, ptr) + ) +) + +TRACEPOINT_EVENT(lttng_ust_libc, free, + TP_ARGS(void *, ptr, void *, ip), + TP_FIELDS( + ctf_integer_hex(void *, ptr, ptr) + ) +) + +TRACEPOINT_EVENT(lttng_ust_libc, calloc, + TP_ARGS(size_t, nmemb, size_t, size, void *, ptr, void *, ip), + TP_FIELDS( + ctf_integer(size_t, nmemb, nmemb) + ctf_integer(size_t, size, size) + ctf_integer_hex(void *, ptr, ptr) + ) +) + +TRACEPOINT_EVENT(lttng_ust_libc, realloc, + TP_ARGS(void *, in_ptr, size_t, size, void *, ptr, void *, ip), + TP_FIELDS( + ctf_integer_hex(void *, in_ptr, in_ptr) + ctf_integer(size_t, size, size) + ctf_integer_hex(void *, ptr, ptr) + ) +) + +TRACEPOINT_EVENT(lttng_ust_libc, memalign, + TP_ARGS(size_t, alignment, size_t, size, void *, ptr, void *, ip), + TP_FIELDS( + ctf_integer(size_t, alignment, alignment) + ctf_integer(size_t, size, size) + ctf_integer_hex(void *, ptr, ptr) + ) +) + +TRACEPOINT_EVENT(lttng_ust_libc, posix_memalign, + TP_ARGS(void *, out_ptr, size_t, alignment, size_t, size, int, result, void *, ip), + TP_FIELDS( + ctf_integer_hex(void *, out_ptr, out_ptr) + ctf_integer(size_t, alignment, alignment) + ctf_integer(size_t, size, size) + ctf_integer(int, result, result) + ) +) + +#endif /* _TRACEPOINT_UST_LIBC_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_libc.h" + +/* This part must be outside ifdef protection */ +#include + +#ifdef __cplusplus +} +#endif diff --git a/liblttng-ust-libc-wrapper/ust_pthread.h b/liblttng-ust-libc-wrapper/ust_pthread.h new file mode 100644 index 0000000..b678621 --- /dev/null +++ b/liblttng-ust-libc-wrapper/ust_pthread.h @@ -0,0 +1,76 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER lttng_ust_pthread + +#if !defined(_TRACEPOINT_UST_PTHREAD_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_PTHREAD_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Copyright (C) 2013 Mentor Graphics + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +TRACEPOINT_EVENT(lttng_ust_pthread, pthread_mutex_lock_req, + TP_ARGS(pthread_mutex_t *, mutex, void *, ip), + TP_FIELDS( + ctf_integer_hex(void *, mutex, mutex) + ) +) + +TRACEPOINT_EVENT(lttng_ust_pthread, pthread_mutex_lock_acq, + TP_ARGS(pthread_mutex_t *, mutex, int, status, void *, ip), + TP_FIELDS( + ctf_integer_hex(void *, mutex, mutex) + ctf_integer(int, status, status) + ) +) + +TRACEPOINT_EVENT(lttng_ust_pthread, pthread_mutex_trylock, + TP_ARGS(pthread_mutex_t *, mutex, int, status, void *, ip), + TP_FIELDS( + ctf_integer_hex(void *, mutex, mutex) + ctf_integer(int, status, status) + ) +) + +TRACEPOINT_EVENT(lttng_ust_pthread, pthread_mutex_unlock, + TP_ARGS(pthread_mutex_t *, mutex, int, status, void *, ip), + TP_FIELDS( + ctf_integer_hex(void *, mutex, mutex) + ctf_integer(int, status, status) + ) +) + +#endif /* _TRACEPOINT_UST_PTHREAD_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_pthread.h" + +/* This part must be outside ifdef protection */ +#include + +#ifdef __cplusplus +} +#endif diff --git a/liblttng-ust-python-agent/Makefile.am b/liblttng-ust-python-agent/Makefile.am new file mode 100644 index 0000000..726ffe4 --- /dev/null +++ b/liblttng-ust-python-agent/Makefile.am @@ -0,0 +1,8 @@ +# tracepoint provider: always built/installed (does not depend on Python per se) +AM_CPPFLAGS = -I$(top_srcdir)/include/ \ + -I$(top_builddir)/include/ +AM_CFLAGS = -fno-strict-aliasing +lib_LTLIBRARIES = liblttng-ust-python-agent.la +liblttng_ust_python_agent_la_SOURCES = lttng_ust_python.c lttng_ust_python.h +liblttng_ust_python_agent_la_LIBADD = -lc -llttng-ust \ + -L$(top_builddir)/liblttng-ust/.libs diff --git a/liblttng-ust-python-agent/Makefile.in b/liblttng-ust-python-agent/Makefile.in new file mode 100644 index 0000000..61a2f86 --- /dev/null +++ b/liblttng-ust-python-agent/Makefile.in @@ -0,0 +1,689 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by the + * Free Software Foundation; version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define TRACEPOINT_DEFINE +#define TRACEPOINT_CREATE_PROBES +#include "lttng_ust_python.h" + +/* + * The tracepoint fired by the agent. + */ + +void py_tracepoint(const char *asctime, const char *msg, + const char *logger_name, const char *funcName, unsigned int lineno, + unsigned int int_loglevel, unsigned int thread, const char *threadName) +{ + tracepoint(lttng_python, event, asctime, msg, logger_name, funcName, + lineno, int_loglevel, thread, threadName); +} diff --git a/liblttng-ust-python-agent/lttng_ust_python.h b/liblttng-ust-python-agent/lttng_ust_python.h new file mode 100644 index 0000000..5554c59 --- /dev/null +++ b/liblttng-ust-python-agent/lttng_ust_python.h @@ -0,0 +1,56 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER lttng_python + +#if !defined(_TRACEPOINT_LTTNG_UST_PYTHON_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_LTTNG_UST_PYTHON_H + +/* + * Copyright (C) 2014 - David Goulet + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by the + * Free Software Foundation; version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +TRACEPOINT_EVENT(lttng_python, event, + TP_ARGS( + const char *, asctime, + const char *, msg, + const char *, logger_name, + const char *, funcName, + int, lineno, + int, int_loglevel, + int, thread, + const char *, threadName + ), + TP_FIELDS( + ctf_string(asctime, asctime) + ctf_string(msg, msg) + ctf_string(logger_name, logger_name) + ctf_string(funcName, funcName) + ctf_integer(unsigned int, lineno, lineno) + ctf_integer(unsigned int, int_loglevel, int_loglevel) + ctf_integer(unsigned int, thread, thread) + ctf_string(threadName, threadName) + ) +) + +#endif /* _TRACEPOINT_LTTNG_UST_PYTHON_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./lttng_ust_python.h" + +/* This part must be outside ifdef protection */ +#include diff --git a/liblttng-ust/Makefile.am b/liblttng-ust/Makefile.am new file mode 100644 index 0000000..f1801cf --- /dev/null +++ b/liblttng-ust/Makefile.am @@ -0,0 +1,95 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include +AM_CFLAGS = -fno-strict-aliasing + +noinst_LTLIBRARIES = liblttng-ust-runtime.la liblttng-ust-support.la + +lib_LTLIBRARIES = liblttng-ust-tracepoint.la liblttng-ust.la + +liblttng_ust_tracepoint_la_SOURCES = \ + tracepoint.c \ + tracepoint-weak-test.c \ + tracepoint-internal.h \ + lttng-tracer-core.h \ + jhash.h \ + error.h +liblttng_ust_tracepoint_la_LIBADD = \ + -lurcu-bp \ + $(top_builddir)/snprintf/libustsnprintf.la +liblttng_ust_tracepoint_la_LDFLAGS = -no-undefined -version-info $(LTTNG_UST_LIBRARY_VERSION) +liblttng_ust_tracepoint_la_CFLAGS = -DUST_COMPONENT="liblttng_ust_tracepoint" -fno-strict-aliasing + +liblttng_ust_runtime_la_SOURCES = \ + lttng-ust-comm.c \ + lttng-ust-abi.c \ + lttng-probes.c \ + lttng-context-provider.c \ + lttng-context-vtid.c \ + lttng-context-vpid.c \ + lttng-context-pthread-id.c \ + lttng-context-procname.c \ + lttng-context-ip.c \ + lttng-context-cpu-id.c \ + lttng-context.c \ + lttng-events.c \ + lttng-filter.c \ + lttng-filter.h \ + lttng-filter-validator.c \ + lttng-filter-specialize.c \ + lttng-filter-interpreter.c \ + filter-bytecode.h \ + lttng-hash-helper.h \ + lttng-ust-elf.c \ + lttng-ust-statedump.c \ + lttng-ust-statedump.h \ + lttng-ust-statedump-provider.h \ + tracepoint-internal.h \ + clock.h \ + compat.h \ + wait.h \ + jhash.h \ + lttng-ust-uuid.h \ + error.h \ + tracef.c \ + lttng-ust-tracef-provider.h \ + tracelog.c \ + lttng-ust-tracelog-provider.h \ + getenv.h + +if HAVE_PERF_EVENT +liblttng_ust_runtime_la_SOURCES += \ + lttng-context-perf-counters.c +endif + +liblttng_ust_support_la_SOURCES = \ + lttng-tracer.h \ + lttng-tracer-core.h \ + ust-core.c \ + lttng-ust-dynamic-type.c \ + lttng-rb-clients.h \ + lttng-ring-buffer-client.h \ + lttng-ring-buffer-client-discard.c \ + lttng-ring-buffer-client-discard-rt.c \ + lttng-ring-buffer-client-overwrite.c \ + lttng-ring-buffer-client-overwrite-rt.c \ + lttng-ring-buffer-metadata-client.h \ + lttng-ring-buffer-metadata-client.c \ + lttng-clock.c lttng-getcpu.c + +liblttng_ust_la_SOURCES = + +liblttng_ust_la_LDFLAGS = -no-undefined -version-info $(LTTNG_UST_LIBRARY_VERSION) + +liblttng_ust_support_la_LIBADD = \ + $(top_builddir)/libringbuffer/libringbuffer.la + +liblttng_ust_la_LIBADD = \ + -lpthread \ + -lrt \ + -lurcu-cds \ + -ldl \ + $(top_builddir)/snprintf/libustsnprintf.la \ + $(top_builddir)/liblttng-ust-comm/liblttng-ust-comm.la \ + liblttng-ust-tracepoint.la \ + liblttng-ust-runtime.la liblttng-ust-support.la + +liblttng_ust_la_CFLAGS = -DUST_COMPONENT="liblttng_ust" -fno-strict-aliasing diff --git a/liblttng-ust/Makefile.in b/liblttng-ust/Makefile.in new file mode 100644 index 0000000..6bee13e --- /dev/null +++ b/liblttng-ust/Makefile.in @@ -0,0 +1,871 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _UST_CLOCK_H +#define _UST_CLOCK_H + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "lttng-ust-uuid.h" + +struct lttng_trace_clock { + uint64_t (*read64)(void); + uint64_t (*freq)(void); + int (*uuid)(char *uuid); + const char *(*name)(void); + const char *(*description)(void); +}; + +extern struct lttng_trace_clock *lttng_trace_clock; + +void lttng_ust_clock_init(void); + +/* Use the kernel MONOTONIC clock. */ + +static __inline__ +uint64_t trace_clock_read64_monotonic(void) +{ + struct timespec ts; + + if (caa_unlikely(clock_gettime(CLOCK_MONOTONIC, &ts))) { + ts.tv_sec = 0; + ts.tv_nsec = 0; + } + return ((uint64_t) ts.tv_sec * 1000000000ULL) + ts.tv_nsec; +} + +static __inline__ +uint64_t trace_clock_freq_monotonic(void) +{ + return 1000000000ULL; +} + +static __inline__ +int trace_clock_uuid_monotonic(char *uuid) +{ + int ret = 0; + size_t len; + FILE *fp; + + /* + * boot_id needs to be read once before being used concurrently + * to deal with a Linux kernel race. A fix is proposed for + * upstream, but the work-around is needed for older kernels. + */ + fp = fopen("/proc/sys/kernel/random/boot_id", "r"); + if (!fp) { + return -ENOENT; + } + len = fread(uuid, 1, LTTNG_UST_UUID_STR_LEN - 1, fp); + if (len < LTTNG_UST_UUID_STR_LEN - 1) { + ret = -EINVAL; + goto end; + } + uuid[LTTNG_UST_UUID_STR_LEN - 1] = '\0'; +end: + fclose(fp); + return ret; +} + +static __inline__ +const char *trace_clock_name_monotonic(void) +{ + return "monotonic"; +} + +static __inline__ +const char *trace_clock_description_monotonic(void) +{ + return "Monotonic Clock"; +} + +static __inline__ +uint64_t trace_clock_read64(void) +{ + struct lttng_trace_clock *ltc = CMM_LOAD_SHARED(lttng_trace_clock); + + if (caa_likely(!ltc)) { + return trace_clock_read64_monotonic(); + } else { + cmm_read_barrier_depends(); /* load ltc before content */ + return ltc->read64(); + } +} + +static __inline__ +uint64_t trace_clock_freq(void) +{ + struct lttng_trace_clock *ltc = CMM_LOAD_SHARED(lttng_trace_clock); + + if (!ltc) { + return trace_clock_freq_monotonic(); + } else { + cmm_read_barrier_depends(); /* load ltc before content */ + return ltc->freq(); + } +} + +static __inline__ +int trace_clock_uuid(char *uuid) +{ + struct lttng_trace_clock *ltc = CMM_LOAD_SHARED(lttng_trace_clock); + + cmm_read_barrier_depends(); /* load ltc before content */ + /* Use default UUID cb when NULL */ + if (!ltc || !ltc->uuid) { + return trace_clock_uuid_monotonic(uuid); + } else { + return ltc->uuid(uuid); + } +} + +static __inline__ +const char *trace_clock_name(void) +{ + struct lttng_trace_clock *ltc = CMM_LOAD_SHARED(lttng_trace_clock); + + if (!ltc) { + return trace_clock_name_monotonic(); + } else { + cmm_read_barrier_depends(); /* load ltc before content */ + return ltc->name(); + } +} + +static __inline__ +const char *trace_clock_description(void) +{ + struct lttng_trace_clock *ltc = CMM_LOAD_SHARED(lttng_trace_clock); + + if (!ltc) { + return trace_clock_description_monotonic(); + } else { + cmm_read_barrier_depends(); /* load ltc before content */ + return ltc->description(); + } +} + +#endif /* _UST_CLOCK_H */ diff --git a/liblttng-ust/compat.h b/liblttng-ust/compat.h new file mode 100644 index 0000000..43b2223 --- /dev/null +++ b/liblttng-ust/compat.h @@ -0,0 +1,70 @@ +#ifndef _UST_COMPAT_H +#define _UST_COMPAT_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* + * lttng_ust_getprocname. + */ +#ifdef __linux__ + +#include + +#define LTTNG_UST_PROCNAME_LEN 17 + +static inline +void lttng_ust_getprocname(char *name) +{ + (void) prctl(PR_GET_NAME, (unsigned long) name, 0, 0, 0); +} + +#elif defined(__FreeBSD__) +#include +#include + +/* + * Limit imposed by Linux UST-sessiond ABI. + */ +#define LTTNG_UST_PROCNAME_LEN 17 + +/* + * Acts like linux prctl, the string is not necessarily 0-terminated if + * 16-byte long. + */ +static inline +void lttng_ust_getprocname(char *name) +{ + const char *bsd_name; + + bsd_name = getprogname(); + if (!bsd_name) + name[0] = '\0'; + else + strncpy(name, bsd_name, LTTNG_UST_PROCNAME_LEN - 1); +} + +#endif + +#include + +#ifndef ENODATA +#define ENODATA ENOMSG +#endif + +#endif /* _UST_COMPAT_H */ diff --git a/liblttng-ust/error.h b/liblttng-ust/error.h new file mode 100644 index 0000000..b0afcdb --- /dev/null +++ b/liblttng-ust/error.h @@ -0,0 +1,54 @@ +#ifndef _LTTNG_ERROR_H +#define _LTTNG_ERROR_H + +/* + * Copyright (c) 2011 - Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +#define MAX_ERRNO 4095 + +static inline +int IS_ERR_VALUE(long value) +{ + if (caa_unlikely((unsigned long) value >= (unsigned long) -MAX_ERRNO)) + return 1; + else + return 0; +} + +static inline +void *ERR_PTR(long error) +{ + return (void *) error; +} + +static inline +long PTR_ERR(const void *ptr) +{ + return (long) ptr; +} + +static inline +int IS_ERR(const void *ptr) +{ + return IS_ERR_VALUE((long) ptr); +} + +#endif /* _LTTNG_ERROR_H */ diff --git a/liblttng-ust/filter-bytecode.h b/liblttng-ust/filter-bytecode.h new file mode 100644 index 0000000..ce2dbc7 --- /dev/null +++ b/liblttng-ust/filter-bytecode.h @@ -0,0 +1,183 @@ +#ifndef _FILTER_BYTECODE_H +#define _FILTER_BYTECODE_H + +/* + * filter-bytecode.h + * + * LTTng filter bytecode + * + * Copyright 2012 - Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License, version 2.1 only, + * as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +/* + * offsets are absolute from start of bytecode. + */ + +struct field_ref { + /* Initially, symbol offset. After link, field offset. */ + uint16_t offset; +} __attribute__((packed)); + +struct literal_numeric { + int64_t v; +} __attribute__((packed)); + +struct literal_double { + double v; +} __attribute__((packed)); + +struct literal_string { + char string[0]; +} __attribute__((packed)); + +enum filter_op { + FILTER_OP_UNKNOWN = 0, + + FILTER_OP_RETURN, + + /* binary */ + FILTER_OP_MUL, + FILTER_OP_DIV, + FILTER_OP_MOD, + FILTER_OP_PLUS, + FILTER_OP_MINUS, + FILTER_OP_RSHIFT, + FILTER_OP_LSHIFT, + FILTER_OP_BIN_AND, + FILTER_OP_BIN_OR, + FILTER_OP_BIN_XOR, + + /* binary comparators */ + FILTER_OP_EQ, + FILTER_OP_NE, + FILTER_OP_GT, + FILTER_OP_LT, + FILTER_OP_GE, + FILTER_OP_LE, + + /* string binary comparator */ + FILTER_OP_EQ_STRING, + FILTER_OP_NE_STRING, + FILTER_OP_GT_STRING, + FILTER_OP_LT_STRING, + FILTER_OP_GE_STRING, + FILTER_OP_LE_STRING, + + /* s64 binary comparator */ + FILTER_OP_EQ_S64, + FILTER_OP_NE_S64, + FILTER_OP_GT_S64, + FILTER_OP_LT_S64, + FILTER_OP_GE_S64, + FILTER_OP_LE_S64, + + /* double binary comparator */ + FILTER_OP_EQ_DOUBLE, + FILTER_OP_NE_DOUBLE, + FILTER_OP_GT_DOUBLE, + FILTER_OP_LT_DOUBLE, + FILTER_OP_GE_DOUBLE, + FILTER_OP_LE_DOUBLE, + + /* Mixed S64-double binary comparators */ + FILTER_OP_EQ_DOUBLE_S64, + FILTER_OP_NE_DOUBLE_S64, + FILTER_OP_GT_DOUBLE_S64, + FILTER_OP_LT_DOUBLE_S64, + FILTER_OP_GE_DOUBLE_S64, + FILTER_OP_LE_DOUBLE_S64, + + FILTER_OP_EQ_S64_DOUBLE, + FILTER_OP_NE_S64_DOUBLE, + FILTER_OP_GT_S64_DOUBLE, + FILTER_OP_LT_S64_DOUBLE, + FILTER_OP_GE_S64_DOUBLE, + FILTER_OP_LE_S64_DOUBLE, + + /* unary */ + FILTER_OP_UNARY_PLUS, + FILTER_OP_UNARY_MINUS, + FILTER_OP_UNARY_NOT, + FILTER_OP_UNARY_PLUS_S64, + FILTER_OP_UNARY_MINUS_S64, + FILTER_OP_UNARY_NOT_S64, + FILTER_OP_UNARY_PLUS_DOUBLE, + FILTER_OP_UNARY_MINUS_DOUBLE, + FILTER_OP_UNARY_NOT_DOUBLE, + + /* logical */ + FILTER_OP_AND, + FILTER_OP_OR, + + /* load field ref */ + FILTER_OP_LOAD_FIELD_REF, + FILTER_OP_LOAD_FIELD_REF_STRING, + FILTER_OP_LOAD_FIELD_REF_SEQUENCE, + FILTER_OP_LOAD_FIELD_REF_S64, + FILTER_OP_LOAD_FIELD_REF_DOUBLE, + + /* load immediate from operand */ + FILTER_OP_LOAD_STRING, + FILTER_OP_LOAD_S64, + FILTER_OP_LOAD_DOUBLE, + + /* cast */ + FILTER_OP_CAST_TO_S64, + FILTER_OP_CAST_DOUBLE_TO_S64, + FILTER_OP_CAST_NOP, + + /* get context ref */ + FILTER_OP_GET_CONTEXT_REF, + FILTER_OP_GET_CONTEXT_REF_STRING, + FILTER_OP_GET_CONTEXT_REF_S64, + FILTER_OP_GET_CONTEXT_REF_DOUBLE, + + NR_FILTER_OPS, +}; + +typedef uint8_t filter_opcode_t; + +struct load_op { + filter_opcode_t op; + char data[0]; + /* data to load. Size known by enum filter_opcode and null-term char. */ +} __attribute__((packed)); + +struct binary_op { + filter_opcode_t op; +} __attribute__((packed)); + +struct unary_op { + filter_opcode_t op; +} __attribute__((packed)); + +/* skip_offset is absolute from start of bytecode */ +struct logical_op { + filter_opcode_t op; + uint16_t skip_offset; /* bytecode insn, if skip second test */ +} __attribute__((packed)); + +struct cast_op { + filter_opcode_t op; +} __attribute__((packed)); + +struct return_op { + filter_opcode_t op; +} __attribute__((packed)); + +#endif /* _FILTER_BYTECODE_H */ diff --git a/liblttng-ust/getenv.h b/liblttng-ust/getenv.h new file mode 100644 index 0000000..05864fb --- /dev/null +++ b/liblttng-ust/getenv.h @@ -0,0 +1,44 @@ +#ifndef _COMPAT_GETENV_H +#define _COMPAT_GETENV_H + +/* + * Copyright (C) 2015 - Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include + +static inline +int lttng_is_setuid_setgid(void) +{ + return geteuid() != getuid() || getegid() != getgid(); +} + +static inline +char *lttng_secure_getenv(const char *name) +{ + if (lttng_is_setuid_setgid()) { + ERR("Getting environment variable '%s' from setuid/setgid binary refused for security reasons.", + name); + return NULL; + } + return getenv(name); +} + +#endif /* _COMPAT_GETENV_H */ diff --git a/liblttng-ust/jhash.h b/liblttng-ust/jhash.h new file mode 100644 index 0000000..da1e7dd --- /dev/null +++ b/liblttng-ust/jhash.h @@ -0,0 +1,255 @@ +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +/* + * Hash function + * Source: http://burtleburtle.net/bob/c/lookup3.c + * Originally Public Domain + */ + +#define rot(x, k) (((x) << (k)) | ((x) >> (32 - (k)))) + +#define mix(a, b, c) \ +do { \ + a -= c; a ^= rot(c, 4); c += b; \ + b -= a; b ^= rot(a, 6); a += c; \ + c -= b; c ^= rot(b, 8); b += a; \ + a -= c; a ^= rot(c, 16); c += b; \ + b -= a; b ^= rot(a, 19); a += c; \ + c -= b; c ^= rot(b, 4); b += a; \ +} while (0) + +#define final(a, b, c) \ +{ \ + c ^= b; c -= rot(b, 14); \ + a ^= c; a -= rot(c, 11); \ + b ^= a; b -= rot(a, 25); \ + c ^= b; c -= rot(b, 16); \ + a ^= c; a -= rot(c, 4);\ + b ^= a; b -= rot(a, 14); \ + c ^= b; c -= rot(b, 24); \ +} + +#if (BYTE_ORDER == LITTLE_ENDIAN) +#define HASH_LITTLE_ENDIAN 1 +#else +#define HASH_LITTLE_ENDIAN 0 +#endif + +/* + * + * hashlittle() -- hash a variable-length key into a 32-bit value + * k : the key (the unaligned variable-length array of bytes) + * length : the length of the key, counting by bytes + * initval : can be any 4-byte value + * Returns a 32-bit value. Every bit of the key affects every bit of + * the return value. Two keys differing by one or two bits will have + * totally different hash values. + * + * The best hash table sizes are powers of 2. There is no need to do + * mod a prime (mod is sooo slow!). If you need less than 32 bits, + * use a bitmask. For example, if you need only 10 bits, do + * h = (h & hashmask(10)); + * In which case, the hash table should have hashsize(10) elements. + * + * If you are hashing n strings (uint8_t **)k, do it like this: + * for (i = 0, h = 0; i < n; ++i) h = hashlittle(k[i], len[i], h); + * + * By Bob Jenkins, 2006. bob_jenkins@burtleburtle.net. You may use this + * code any way you wish, private, educational, or commercial. It's free. + * + * Use for hash table lookup, or anything where one collision in 2^^32 is + * acceptable. Do NOT use for cryptographic purposes. + */ +static +uint32_t hashlittle(const void *key, size_t length, uint32_t initval) +{ + uint32_t a, b, c; /* internal state */ + union { + const void *ptr; + size_t i; + } u; + + /* Set up the internal state */ + a = b = c = 0xdeadbeef + ((uint32_t)length) + initval; + + u.ptr = key; + if (HASH_LITTLE_ENDIAN && ((u.i & 0x3) == 0)) { + const uint32_t *k = (const uint32_t *) key; /* read 32-bit chunks */ + + /*------ all but last block: aligned reads and affect 32 bits of (a,b,c) */ + while (length > 12) { + a += k[0]; + b += k[1]; + c += k[2]; + mix(a, b, c); + length -= 12; + k += 3; + } + + /*----------------------------- handle the last (probably partial) block */ + /* + * "k[2]&0xffffff" actually reads beyond the end of the string, but + * then masks off the part it's not allowed to read. Because the + * string is aligned, the masked-off tail is in the same word as the + * rest of the string. Every machine with memory protection I've seen + * does it on word boundaries, so is OK with this. But VALGRIND will + * still catch it and complain. The masking trick does make the hash + * noticably faster for short strings (like English words). + */ +#ifndef VALGRIND + + switch (length) { + case 12: c+=k[2]; b+=k[1]; a+=k[0]; break; + case 11: c+=k[2]&0xffffff; b+=k[1]; a+=k[0]; break; + case 10: c+=k[2]&0xffff; b+=k[1]; a+=k[0]; break; + case 9 : c+=k[2]&0xff; b+=k[1]; a+=k[0]; break; + case 8 : b+=k[1]; a+=k[0]; break; + case 7 : b+=k[1]&0xffffff; a+=k[0]; break; + case 6 : b+=k[1]&0xffff; a+=k[0]; break; + case 5 : b+=k[1]&0xff; a+=k[0]; break; + case 4 : a+=k[0]; break; + case 3 : a+=k[0]&0xffffff; break; + case 2 : a+=k[0]&0xffff; break; + case 1 : a+=k[0]&0xff; break; + case 0 : return c; /* zero length strings require no mixing */ + } + +#else /* make valgrind happy */ + { + const uint8_t *k8; + + k8 = (const uint8_t *) k; + switch (length) { + case 12: c+=k[2]; b+=k[1]; a+=k[0]; break; + case 11: c+=((uint32_t) k8[10])<<16; /* fall through */ + case 10: c+=((uint32_t) k8[9])<<8; /* fall through */ + case 9 : c+=k8[8]; /* fall through */ + case 8 : b+=k[1]; a+=k[0]; break; + case 7 : b+=((uint32_t) k8[6])<<16; /* fall through */ + case 6 : b+=((uint32_t) k8[5])<<8; /* fall through */ + case 5 : b+=k8[4]; /* fall through */ + case 4 : a+=k[0]; break; + case 3 : a+=((uint32_t) k8[2])<<16; /* fall through */ + case 2 : a+=((uint32_t) k8[1])<<8; /* fall through */ + case 1 : a+=k8[0]; break; + case 0 : return c; + } + } +#endif /* !valgrind */ + + } else if (HASH_LITTLE_ENDIAN && ((u.i & 0x1) == 0)) { + const uint16_t *k = (const uint16_t *) key; /* read 16-bit chunks */ + const uint8_t *k8; + + /*--------------- all but last block: aligned reads and different mixing */ + while (length > 12) + { + a += k[0] + (((uint32_t) k[1])<<16); + b += k[2] + (((uint32_t) k[3])<<16); + c += k[4] + (((uint32_t) k[5])<<16); + mix(a, b, c); + length -= 12; + k += 6; + } + + /*----------------------------- handle the last (probably partial) block */ + k8 = (const uint8_t *) k; + switch(length) + { + case 12: c+=k[4]+(((uint32_t) k[5])<<16); + b+=k[2]+(((uint32_t) k[3])<<16); + a+=k[0]+(((uint32_t) k[1])<<16); + break; + case 11: c+=((uint32_t) k8[10])<<16; /* fall through */ + case 10: c+=k[4]; + b+=k[2]+(((uint32_t) k[3])<<16); + a+=k[0]+(((uint32_t) k[1])<<16); + break; + case 9 : c+=k8[8]; /* fall through */ + case 8 : b+=k[2]+(((uint32_t) k[3])<<16); + a+=k[0]+(((uint32_t) k[1])<<16); + break; + case 7 : b+=((uint32_t) k8[6])<<16; /* fall through */ + case 6 : b+=k[2]; + a+=k[0]+(((uint32_t) k[1])<<16); + break; + case 5 : b+=k8[4]; /* fall through */ + case 4 : a+=k[0]+(((uint32_t) k[1])<<16); + break; + case 3 : a+=((uint32_t) k8[2])<<16; /* fall through */ + case 2 : a+=k[0]; + break; + case 1 : a+=k8[0]; + break; + case 0 : return c; /* zero length requires no mixing */ + } + + } else { /* need to read the key one byte at a time */ + const uint8_t *k = (const uint8_t *)key; + + /*--------------- all but the last block: affect some 32 bits of (a, b, c) */ + while (length > 12) { + a += k[0]; + a += ((uint32_t) k[1])<<8; + a += ((uint32_t) k[2])<<16; + a += ((uint32_t) k[3])<<24; + b += k[4]; + b += ((uint32_t) k[5])<<8; + b += ((uint32_t) k[6])<<16; + b += ((uint32_t) k[7])<<24; + c += k[8]; + c += ((uint32_t) k[9])<<8; + c += ((uint32_t) k[10])<<16; + c += ((uint32_t) k[11])<<24; + mix(a,b,c); + length -= 12; + k += 12; + } + + /*-------------------------------- last block: affect all 32 bits of (c) */ + switch (length) { /* all the case statements fall through */ + case 12: c+=((uint32_t) k[11])<<24; + case 11: c+=((uint32_t) k[10])<<16; + case 10: c+=((uint32_t) k[9])<<8; + case 9 : c+=k[8]; + case 8 : b+=((uint32_t) k[7])<<24; + case 7 : b+=((uint32_t) k[6])<<16; + case 6 : b+=((uint32_t) k[5])<<8; + case 5 : b+=k[4]; + case 4 : a+=((uint32_t) k[3])<<24; + case 3 : a+=((uint32_t) k[2])<<16; + case 2 : a+=((uint32_t) k[1])<<8; + case 1 : a+=k[0]; + break; + case 0 : return c; + } + } + + final(a, b, c); + return c; +} + +static inline +uint32_t jhash(const void *key, size_t length, uint32_t seed) +{ + return hashlittle(key, length, seed); +} diff --git a/liblttng-ust/lttng-clock.c b/liblttng-ust/lttng-clock.c new file mode 100644 index 0000000..4299bcd --- /dev/null +++ b/liblttng-ust/lttng-clock.c @@ -0,0 +1,122 @@ +/* + * Copyright (C) 2014 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include + +#include "clock.h" +#include "getenv.h" + +struct lttng_trace_clock *lttng_trace_clock; + +static +struct lttng_trace_clock user_tc; + +static +void *clock_handle; + +int lttng_ust_trace_clock_set_read64_cb(uint64_t (*read64)(void)) +{ + if (CMM_LOAD_SHARED(lttng_trace_clock)) + return -EBUSY; + user_tc.read64 = read64; + return 0; +} + +int lttng_ust_trace_clock_set_freq_cb(uint64_t (*freq)(void)) +{ + if (CMM_LOAD_SHARED(lttng_trace_clock)) + return -EBUSY; + user_tc.freq = freq; + return 0; +} + +int lttng_ust_trace_clock_set_uuid_cb(int (*uuid)(char *uuid)) +{ + if (CMM_LOAD_SHARED(lttng_trace_clock)) + return -EBUSY; + user_tc.uuid = uuid; + return 0; +} + +int lttng_ust_trace_clock_set_name_cb(const char *(*name)(void)) +{ + if (CMM_LOAD_SHARED(lttng_trace_clock)) + return -EBUSY; + user_tc.name = name; + return 0; +} + +int lttng_ust_trace_clock_set_description_cb(const char *(*description)(void)) +{ + if (CMM_LOAD_SHARED(lttng_trace_clock)) + return -EBUSY; + user_tc.description = description; + return 0; +} + +int lttng_ust_enable_trace_clock_override(void) +{ + if (CMM_LOAD_SHARED(lttng_trace_clock)) + return -EBUSY; + if (!user_tc.read64) + return -EINVAL; + if (!user_tc.freq) + return -EINVAL; + if (!user_tc.name) + return -EINVAL; + if (!user_tc.description) + return -EINVAL; + /* Use default uuid cb when NULL */ + cmm_smp_mb(); /* Store callbacks before trace clock */ + CMM_STORE_SHARED(lttng_trace_clock, &user_tc); + return 0; +} + +void lttng_ust_clock_init(void) +{ + const char *libname; + void (*libinit)(void); + + if (clock_handle) + return; + libname = lttng_secure_getenv("LTTNG_UST_CLOCK_PLUGIN"); + if (!libname) + return; + clock_handle = dlopen(libname, RTLD_NOW); + if (!clock_handle) { + PERROR("Cannot load LTTng UST clock override library %s", + libname); + return; + } + dlerror(); + libinit = (void (*)(void)) dlsym(clock_handle, + "lttng_ust_clock_plugin_init"); + if (!libinit) { + PERROR("Cannot find LTTng UST clock override library %s initialization function lttng_ust_clock_plugin_init()", + libname); + return; + } + libinit(); +} diff --git a/liblttng-ust/lttng-context-cpu-id.c b/liblttng-ust/lttng-context-cpu-id.c new file mode 100644 index 0000000..840cafe --- /dev/null +++ b/liblttng-ust/lttng-context-cpu-id.c @@ -0,0 +1,93 @@ +/* + * lttng-context-cpu-id.c + * + * LTTng UST CPU id context. + * + * Note: threads can be migrated at any point while executing the + * tracepoint probe. This means the CPU id field (and filter) is only + * statistical. For instance, even though a user might select a + * cpu_id==1 filter, there may be few events recorded into the channel + * appearing from other CPUs, due to migration. + * + * Copyright (C) 2009-2015 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include "../libringbuffer/getcpu.h" + +static +size_t cpu_id_get_size(struct lttng_ctx_field *field, size_t offset) +{ + size_t size = 0; + + size += lib_ring_buffer_align(offset, lttng_alignof(int)); + size += sizeof(int); + return size; +} + +static +void cpu_id_record(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan) +{ + int cpu; + + cpu = lttng_ust_get_cpu(); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(cpu)); + chan->ops->event_write(ctx, &cpu, sizeof(cpu)); +} + +static +void cpu_id_get_value(struct lttng_ctx_field *field, + struct lttng_ctx_value *value) +{ + int cpu; + + cpu = lttng_ust_get_cpu(); + value->u.s64 = cpu; +} + +int lttng_add_cpu_id_to_ctx(struct lttng_ctx **ctx) +{ + struct lttng_ctx_field *field; + + field = lttng_append_context(ctx); + if (!field) + return -ENOMEM; + if (lttng_find_context(*ctx, "cpu_id")) { + lttng_remove_context_field(ctx, field); + return -EEXIST; + } + field->event_field.name = "cpu_id"; + field->event_field.type.atype = atype_integer; + field->event_field.type.u.basic.integer.size = sizeof(int) * CHAR_BIT; + field->event_field.type.u.basic.integer.alignment = lttng_alignof(int) * CHAR_BIT; + field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(int); + field->event_field.type.u.basic.integer.reverse_byte_order = 0; + field->event_field.type.u.basic.integer.base = 10; + field->event_field.type.u.basic.integer.encoding = lttng_encode_none; + field->get_size = cpu_id_get_size; + field->record = cpu_id_record; + field->get_value = cpu_id_get_value; + lttng_context_update(*ctx); + return 0; +} diff --git a/liblttng-ust/lttng-context-ip.c b/liblttng-ust/lttng-context-ip.c new file mode 100644 index 0000000..84c7349 --- /dev/null +++ b/liblttng-ust/lttng-context-ip.c @@ -0,0 +1,74 @@ +/* + * lttng-context-ip.c + * + * LTTng UST Instruction Pointer Context. + * + * Copyright (C) 2009-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include + +static +size_t ip_get_size(struct lttng_ctx_field *field, size_t offset) +{ + size_t size = 0; + + size += lib_ring_buffer_align(offset, lttng_alignof(void *)); + size += sizeof(void *); + return size; +} + +static +void ip_record(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan) +{ + void *ip; + + ip = ctx->ip; + lib_ring_buffer_align_ctx(ctx, lttng_alignof(ip)); + chan->ops->event_write(ctx, &ip, sizeof(ip)); +} + +int lttng_add_ip_to_ctx(struct lttng_ctx **ctx) +{ + struct lttng_ctx_field *field; + + field = lttng_append_context(ctx); + if (!field) + return -ENOMEM; + if (lttng_find_context(*ctx, "ip")) { + lttng_remove_context_field(ctx, field); + return -EEXIST; + } + field->event_field.name = "ip"; + field->event_field.type.atype = atype_integer; + field->event_field.type.u.basic.integer.size = sizeof(void *) * CHAR_BIT; + field->event_field.type.u.basic.integer.alignment = lttng_alignof(void *) * CHAR_BIT; + field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(void *); + field->event_field.type.u.basic.integer.reverse_byte_order = 0; + field->event_field.type.u.basic.integer.base = 16; + field->event_field.type.u.basic.integer.encoding = lttng_encode_none; + field->get_size = ip_get_size; + field->record = ip_record; + lttng_context_update(*ctx); + return 0; +} diff --git a/liblttng-ust/lttng-context-perf-counters.c b/liblttng-ust/lttng-context-perf-counters.c new file mode 100644 index 0000000..97ddf97 --- /dev/null +++ b/liblttng-ust/lttng-context-perf-counters.c @@ -0,0 +1,439 @@ +/* + * lttng-context-perf-counters.c + * + * LTTng UST performance monitoring counters (perf-counters) integration. + * + * Copyright (C) 2009-2014 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "lttng-tracer-core.h" + +/* + * We use a global perf counter key and iterate on per-thread RCU lists + * of fields in the fast path, even though this is not strictly speaking + * what would provide the best fast-path complexity, to ensure teardown + * of sessions vs thread exit is handled racelessly. + * + * Updates and traversals of thread_list are protected by UST lock. + * Updates to rcu_field_list are protected by UST lock. + */ + +struct lttng_perf_counter_thread_field { + struct lttng_perf_counter_field *field; /* Back reference */ + struct perf_event_mmap_page *pc; + struct cds_list_head thread_field_node; /* Per-field list of thread fields (node) */ + struct cds_list_head rcu_field_node; /* RCU per-thread list of fields (node) */ +}; + +struct lttng_perf_counter_thread { + struct cds_list_head rcu_field_list; /* RCU per-thread list of fields */ +}; + +struct lttng_perf_counter_field { + struct perf_event_attr attr; + struct cds_list_head thread_field_list; /* Per-field list of thread fields */ +}; + +static pthread_key_t perf_counter_key; + +static +size_t perf_counter_get_size(struct lttng_ctx_field *field, size_t offset) +{ + size_t size = 0; + + size += lib_ring_buffer_align(offset, lttng_alignof(uint64_t)); + size += sizeof(uint64_t); + return size; +} + +#if defined(__x86_64__) || defined(__i386__) + +static +uint64_t rdpmc(unsigned int counter) +{ + unsigned int low, high; + + asm volatile("rdpmc" : "=a" (low), "=d" (high) : "c" (counter)); + + return low | ((uint64_t) high) << 32; +} + +#else /* defined(__x86_64__) || defined(__i386__) */ + +#error "Perf event counters are only supported on x86 so far." + +#endif /* #else defined(__x86_64__) || defined(__i386__) */ + +static +uint64_t read_perf_counter(struct perf_event_mmap_page *pc) +{ + uint32_t seq, idx; + uint64_t count; + + if (caa_unlikely(!pc)) + return 0; + + do { + seq = CMM_LOAD_SHARED(pc->lock); + cmm_barrier(); + + idx = pc->index; + if (idx) + count = pc->offset + rdpmc(idx - 1); + else + count = 0; + + cmm_barrier(); + } while (CMM_LOAD_SHARED(pc->lock) != seq); + + return count; +} + +static +int sys_perf_event_open(struct perf_event_attr *attr, + pid_t pid, int cpu, int group_fd, + unsigned long flags) +{ + return syscall(SYS_perf_event_open, attr, pid, cpu, + group_fd, flags); +} + +static +struct perf_event_mmap_page *setup_perf(struct perf_event_attr *attr) +{ + void *perf_addr; + int fd, ret; + + fd = sys_perf_event_open(attr, 0, -1, -1, 0); + if (fd < 0) + return NULL; + + perf_addr = mmap(NULL, sizeof(struct perf_event_mmap_page), + PROT_READ, MAP_SHARED, fd, 0); + if (perf_addr == MAP_FAILED) + return NULL; + ret = close(fd); + if (ret) { + perror("Error closing LTTng-UST perf memory mapping FD"); + } + return perf_addr; +} + +static +void unmap_perf_page(struct perf_event_mmap_page *pc) +{ + int ret; + + if (!pc) + return; + ret = munmap(pc, sizeof(struct perf_event_mmap_page)); + if (ret < 0) { + PERROR("Error in munmap"); + abort(); + } +} + +static +struct lttng_perf_counter_thread *alloc_perf_counter_thread(void) +{ + struct lttng_perf_counter_thread *perf_thread; + sigset_t newmask, oldmask; + int ret; + + ret = sigfillset(&newmask); + if (ret) + abort(); + ret = pthread_sigmask(SIG_BLOCK, &newmask, &oldmask); + if (ret) + abort(); + /* Check again with signals disabled */ + perf_thread = pthread_getspecific(perf_counter_key); + if (perf_thread) + goto skip; + perf_thread = zmalloc(sizeof(*perf_thread)); + if (!perf_thread) + abort(); + CDS_INIT_LIST_HEAD(&perf_thread->rcu_field_list); + ret = pthread_setspecific(perf_counter_key, perf_thread); + if (ret) + abort(); +skip: + ret = pthread_sigmask(SIG_SETMASK, &oldmask, NULL); + if (ret) + abort(); + return perf_thread; +} + +static +struct lttng_perf_counter_thread_field * + add_thread_field(struct lttng_perf_counter_field *perf_field, + struct lttng_perf_counter_thread *perf_thread) +{ + struct lttng_perf_counter_thread_field *thread_field; + sigset_t newmask, oldmask; + int ret; + + ret = sigfillset(&newmask); + if (ret) + abort(); + ret = pthread_sigmask(SIG_BLOCK, &newmask, &oldmask); + if (ret) + abort(); + /* Check again with signals disabled */ + cds_list_for_each_entry_rcu(thread_field, &perf_thread->rcu_field_list, + rcu_field_node) { + if (thread_field->field == perf_field) + goto skip; + } + thread_field = zmalloc(sizeof(*thread_field)); + if (!thread_field) + abort(); + thread_field->field = perf_field; + thread_field->pc = setup_perf(&perf_field->attr); + /* Note: thread_field->pc can be NULL if setup_perf() fails. */ + ust_lock_nocheck(); + cds_list_add_rcu(&thread_field->rcu_field_node, + &perf_thread->rcu_field_list); + cds_list_add(&thread_field->thread_field_node, + &perf_field->thread_field_list); + ust_unlock(); +skip: + ret = pthread_sigmask(SIG_SETMASK, &oldmask, NULL); + if (ret) + abort(); + return thread_field; +} + +static +struct lttng_perf_counter_thread_field * + get_thread_field(struct lttng_perf_counter_field *field) +{ + struct lttng_perf_counter_thread *perf_thread; + struct lttng_perf_counter_thread_field *thread_field; + + perf_thread = pthread_getspecific(perf_counter_key); + if (!perf_thread) + perf_thread = alloc_perf_counter_thread(); + cds_list_for_each_entry_rcu(thread_field, &perf_thread->rcu_field_list, + rcu_field_node) { + if (thread_field->field == field) + return thread_field; + } + /* perf_counter_thread_field not found, need to add one */ + return add_thread_field(field, perf_thread); +} + +static +uint64_t wrapper_perf_counter_read(struct lttng_ctx_field *field) +{ + struct lttng_perf_counter_field *perf_field; + struct lttng_perf_counter_thread_field *perf_thread_field; + + perf_field = field->u.perf_counter; + perf_thread_field = get_thread_field(perf_field); + return read_perf_counter(perf_thread_field->pc); +} + +static +void perf_counter_record(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan) +{ + uint64_t value; + + value = wrapper_perf_counter_read(field); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(value)); + chan->ops->event_write(ctx, &value, sizeof(value)); +} + +static +void perf_counter_get_value(struct lttng_ctx_field *field, + struct lttng_ctx_value *value) +{ + uint64_t v; + + v = wrapper_perf_counter_read(field); + value->u.s64 = v; +} + +/* Called with UST lock held */ +static +void lttng_destroy_perf_thread_field( + struct lttng_perf_counter_thread_field *thread_field) +{ + unmap_perf_page(thread_field->pc); + cds_list_del_rcu(&thread_field->rcu_field_node); + cds_list_del(&thread_field->thread_field_node); + free(thread_field); +} + +static +void lttng_destroy_perf_thread_key(void *_key) +{ + struct lttng_perf_counter_thread *perf_thread = _key; + struct lttng_perf_counter_thread_field *pos, *p; + + ust_lock_nocheck(); + cds_list_for_each_entry_safe(pos, p, &perf_thread->rcu_field_list, + rcu_field_node) + lttng_destroy_perf_thread_field(pos); + ust_unlock(); + free(perf_thread); +} + +/* Called with UST lock held */ +static +void lttng_destroy_perf_counter_field(struct lttng_ctx_field *field) +{ + struct lttng_perf_counter_field *perf_field; + struct lttng_perf_counter_thread_field *pos, *p; + + free((char *) field->event_field.name); + perf_field = field->u.perf_counter; + /* + * This put is performed when no threads can concurrently + * perform a "get" concurrently, thanks to urcu-bp grace + * period. + */ + cds_list_for_each_entry_safe(pos, p, &perf_field->thread_field_list, + thread_field_node) + lttng_destroy_perf_thread_field(pos); + free(perf_field); +} + +/* Called with UST lock held */ +int lttng_add_perf_counter_to_ctx(uint32_t type, + uint64_t config, + const char *name, + struct lttng_ctx **ctx) +{ + struct lttng_ctx_field *field; + struct lttng_perf_counter_field *perf_field; + struct perf_event_mmap_page *tmp_pc; + char *name_alloc; + int ret; + + name_alloc = strdup(name); + if (!name_alloc) { + ret = -ENOMEM; + goto name_alloc_error; + } + perf_field = zmalloc(sizeof(*perf_field)); + if (!perf_field) { + ret = -ENOMEM; + goto perf_field_alloc_error; + } + field = lttng_append_context(ctx); + if (!field) { + ret = -ENOMEM; + goto append_context_error; + } + if (lttng_find_context(*ctx, name_alloc)) { + ret = -EEXIST; + goto find_error; + } + + field->destroy = lttng_destroy_perf_counter_field; + + field->event_field.name = name_alloc; + field->event_field.type.atype = atype_integer; + field->event_field.type.u.basic.integer.size = + sizeof(uint64_t) * CHAR_BIT; + field->event_field.type.u.basic.integer.alignment = + lttng_alignof(uint64_t) * CHAR_BIT; + field->event_field.type.u.basic.integer.signedness = + lttng_is_signed_type(uint64_t); + field->event_field.type.u.basic.integer.reverse_byte_order = 0; + field->event_field.type.u.basic.integer.base = 10; + field->event_field.type.u.basic.integer.encoding = lttng_encode_none; + field->get_size = perf_counter_get_size; + field->record = perf_counter_record; + field->get_value = perf_counter_get_value; + + perf_field->attr.type = type; + perf_field->attr.config = config; + perf_field->attr.exclude_kernel = 1; + CDS_INIT_LIST_HEAD(&perf_field->thread_field_list); + field->u.perf_counter = perf_field; + + /* Ensure that this perf counter can be used in this process. */ + tmp_pc = setup_perf(&perf_field->attr); + if (!tmp_pc) { + ret = -ENODEV; + goto setup_error; + } + unmap_perf_page(tmp_pc); + + /* + * Contexts can only be added before tracing is started, so we + * don't have to synchronize against concurrent threads using + * the field here. + */ + + lttng_context_update(*ctx); + return 0; + +setup_error: +find_error: + lttng_remove_context_field(ctx, field); +append_context_error: + free(perf_field); +perf_field_alloc_error: + free(name_alloc); +name_alloc_error: + return ret; +} + +int lttng_perf_counter_init(void) +{ + int ret; + + ret = pthread_key_create(&perf_counter_key, + lttng_destroy_perf_thread_key); + if (ret) + ret = -ret; + return ret; +} + +void lttng_perf_counter_exit(void) +{ + int ret; + + ret = pthread_key_delete(perf_counter_key); + if (ret) { + errno = ret; + PERROR("Error in pthread_key_delete"); + } +} diff --git a/liblttng-ust/lttng-context-procname.c b/liblttng-ust/lttng-context-procname.c new file mode 100644 index 0000000..13461a6 --- /dev/null +++ b/liblttng-ust/lttng-context-procname.c @@ -0,0 +1,121 @@ +/* + * lttng-context-procname.c + * + * LTTng UST procname context. + * + * Copyright (C) 2009-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include "compat.h" + +/* + * We cache the result to ensure we don't trigger a system call for + * each event. + * Upon exec, procname changes, but exec takes care of throwing away + * this cached version. + * The procname can also change by calling prctl(). The procname should + * be set for a thread before the first event is logged within this + * thread. + */ +typedef char procname_array[17]; +static DEFINE_URCU_TLS(procname_array, cached_procname); + +static inline +char *wrapper_getprocname(void) +{ + if (caa_unlikely(!URCU_TLS(cached_procname)[0])) { + lttng_ust_getprocname(URCU_TLS(cached_procname)); + URCU_TLS(cached_procname)[LTTNG_UST_PROCNAME_LEN - 1] = '\0'; + } + return URCU_TLS(cached_procname); +} + +void lttng_context_procname_reset(void) +{ + URCU_TLS(cached_procname)[0] = '\0'; +} + +static +size_t procname_get_size(struct lttng_ctx_field *field, size_t offset) +{ + size_t size = 0; + + size += LTTNG_UST_PROCNAME_LEN; + return size; +} + +static +void procname_record(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan) +{ + char *procname; + + procname = wrapper_getprocname(); + chan->ops->event_write(ctx, procname, LTTNG_UST_PROCNAME_LEN); +} + +static +void procname_get_value(struct lttng_ctx_field *field, + struct lttng_ctx_value *value) +{ + char *procname; + + procname = wrapper_getprocname(); + value->u.str = procname; +} + +int lttng_add_procname_to_ctx(struct lttng_ctx **ctx) +{ + struct lttng_ctx_field *field; + + field = lttng_append_context(ctx); + if (!field) + return -ENOMEM; + if (lttng_find_context(*ctx, "procname")) { + lttng_remove_context_field(ctx, field); + return -EEXIST; + } + field->event_field.name = "procname"; + field->event_field.type.atype = atype_array; + field->event_field.type.u.array.elem_type.atype = atype_integer; + field->event_field.type.u.array.elem_type.u.basic.integer.size = sizeof(char) * CHAR_BIT; + field->event_field.type.u.array.elem_type.u.basic.integer.alignment = lttng_alignof(char) * CHAR_BIT; + field->event_field.type.u.array.elem_type.u.basic.integer.signedness = lttng_is_signed_type(char); + field->event_field.type.u.array.elem_type.u.basic.integer.reverse_byte_order = 0; + field->event_field.type.u.array.elem_type.u.basic.integer.base = 10; + field->event_field.type.u.array.elem_type.u.basic.integer.encoding = lttng_encode_UTF8; + field->event_field.type.u.array.length = LTTNG_UST_PROCNAME_LEN; + field->get_size = procname_get_size; + field->record = procname_record; + field->get_value = procname_get_value; + lttng_context_update(*ctx); + return 0; +} + +/* + * Force a read (imply TLS fixup for dlopen) of TLS variables. + */ +void lttng_fixup_procname_tls(void) +{ + asm volatile ("" : : "m" (URCU_TLS(cached_procname)[0])); +} diff --git a/liblttng-ust/lttng-context-provider.c b/liblttng-ust/lttng-context-provider.c new file mode 100644 index 0000000..6c067e2 --- /dev/null +++ b/liblttng-ust/lttng-context-provider.c @@ -0,0 +1,154 @@ +/* + * lttng-context-provider.c + * + * LTTng UST application context provider. + * + * Copyright (C) 2016 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include "lttng-tracer-core.h" +#include "jhash.h" +#include + +#define CONTEXT_PROVIDER_HT_BITS 12 +#define CONTEXT_PROVIDER_HT_SIZE (1U << CONTEXT_PROVIDER_HT_BITS) +struct context_provider_ht { + struct cds_hlist_head table[CONTEXT_PROVIDER_HT_SIZE]; +}; + +static struct context_provider_ht context_provider_ht; + +static struct lttng_ust_context_provider * + lookup_provider_by_name(const char *name) +{ + struct cds_hlist_head *head; + struct cds_hlist_node *node; + struct lttng_ust_context_provider *provider; + uint32_t hash; + const char *end; + size_t len; + + /* Lookup using everything before first ':' as key. */ + end = strchr(name, ':'); + if (end) + len = end - name; + else + len = strlen(name); + hash = jhash(name, len, 0); + head = &context_provider_ht.table[hash & (CONTEXT_PROVIDER_HT_SIZE - 1)]; + cds_hlist_for_each_entry(provider, node, head, node) { + if (!strncmp(provider->name, name, len)) + return provider; + } + return NULL; +} + +int lttng_ust_context_provider_register(struct lttng_ust_context_provider *provider) +{ + struct cds_hlist_head *head; + size_t name_len = strlen(provider->name); + uint32_t hash; + int ret = 0; + + /* Provider name starts with "$app.". */ + if (strncmp("$app.", provider->name, strlen("$app.") != 0)) + return -EINVAL; + /* Provider name cannot contain a column character. */ + if (strchr(provider->name, ':')) + return -EINVAL; + if (ust_lock()) { + ret = -EBUSY; + goto end; + } + if (lookup_provider_by_name(provider->name)) { + ret = -EBUSY; + goto end; + } + hash = jhash(provider->name, name_len, 0); + head = &context_provider_ht.table[hash & (CONTEXT_PROVIDER_HT_SIZE - 1)]; + cds_hlist_add_head(&provider->node, head); + lttng_ust_context_set_session_provider(provider->name, + provider->get_size, provider->record, + provider->get_value); +end: + ust_unlock(); + return ret; +} + +void lttng_ust_context_provider_unregister(struct lttng_ust_context_provider *provider) +{ + if (ust_lock()) + goto end; + lttng_ust_context_set_session_provider(provider->name, + lttng_ust_dummy_get_size, lttng_ust_dummy_record, + lttng_ust_dummy_get_value); + cds_hlist_del(&provider->node); +end: + ust_unlock(); +} + +/* + * Called with ust mutex held. + * Add application context to array of context, even if the application + * context is not currently loaded by application. It will then use the + * dummy callbacks in that case. + * Always performed before tracing is started, since it modifies + * metadata describing the context. + */ +int lttng_ust_add_app_context_to_ctx_rcu(const char *name, + struct lttng_ctx **ctx) +{ + struct lttng_ust_context_provider *provider; + struct lttng_ctx_field new_field; + int ret; + + if (*ctx && lttng_find_context(*ctx, name)) + return -EEXIST; + /* + * For application context, add it by expanding + * ctx array. + */ + memset(&new_field, 0, sizeof(new_field)); + new_field.field_name = strdup(name); + if (!new_field.field_name) + return -ENOMEM; + new_field.event_field.name = new_field.field_name; + new_field.event_field.type.atype = atype_dynamic; + /* + * If provider is not found, we add the context anyway, but + * it will provide a dummy context. + */ + provider = lookup_provider_by_name(name); + if (provider) { + new_field.get_size = provider->get_size; + new_field.record = provider->record; + new_field.get_value = provider->get_value; + } else { + new_field.get_size = lttng_ust_dummy_get_size; + new_field.record = lttng_ust_dummy_record; + new_field.get_value = lttng_ust_dummy_get_value; + } + ret = lttng_context_add_rcu(ctx, &new_field); + if (ret) { + free(new_field.field_name); + return ret; + } + return 0; +} diff --git a/liblttng-ust/lttng-context-pthread-id.c b/liblttng-ust/lttng-context-pthread-id.c new file mode 100644 index 0000000..c2c2115 --- /dev/null +++ b/liblttng-ust/lttng-context-pthread-id.c @@ -0,0 +1,84 @@ +/* + * lttng-context-pthread-id.c + * + * LTTng UST pthread_id context. + * + * Copyright (C) 2009-2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include + +static +size_t pthread_id_get_size(struct lttng_ctx_field *field, size_t offset) +{ + size_t size = 0; + + size += lib_ring_buffer_align(offset, lttng_alignof(unsigned long)); + size += sizeof(unsigned long); + return size; +} + +static +void pthread_id_record(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan) +{ + unsigned long pthread_id; + + pthread_id = (unsigned long) pthread_self(); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(pthread_id)); + chan->ops->event_write(ctx, &pthread_id, sizeof(pthread_id)); +} + +static +void pthread_id_get_value(struct lttng_ctx_field *field, + struct lttng_ctx_value *value) +{ + unsigned long pthread_id; + + pthread_id = (unsigned long) pthread_self(); + value->u.s64 = pthread_id; +} + +int lttng_add_pthread_id_to_ctx(struct lttng_ctx **ctx) +{ + struct lttng_ctx_field *field; + + field = lttng_append_context(ctx); + if (!field) + return -ENOMEM; + if (lttng_find_context(*ctx, "pthread_id")) { + lttng_remove_context_field(ctx, field); + return -EEXIST; + } + field->event_field.name = "pthread_id"; + field->event_field.type.atype = atype_integer; + field->event_field.type.u.basic.integer.size = sizeof(unsigned long) * CHAR_BIT; + field->event_field.type.u.basic.integer.alignment = lttng_alignof(unsigned long) * CHAR_BIT; + field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(unsigned long); + field->event_field.type.u.basic.integer.reverse_byte_order = 0; + field->event_field.type.u.basic.integer.base = 10; + field->event_field.type.u.basic.integer.encoding = lttng_encode_none; + field->get_size = pthread_id_get_size; + field->record = pthread_id_record; + field->get_value = pthread_id_get_value; + lttng_context_update(*ctx); + return 0; +} diff --git a/liblttng-ust/lttng-context-vpid.c b/liblttng-ust/lttng-context-vpid.c new file mode 100644 index 0000000..7d8091b --- /dev/null +++ b/liblttng-ust/lttng-context-vpid.c @@ -0,0 +1,120 @@ +/* + * lttng-context-vpid.c + * + * LTTng UST vpid context. + * + * Copyright (C) 2009-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include + +#ifdef __linux__ +static inline +pid_t wrapper_getpid(void) +{ + return getpid(); +} + +void lttng_context_vpid_reset(void) +{ +} +#else +/* + * We cache the result to ensure we don't trigger a system call for + * each event. + */ +static pid_t cached_vpid; + +static inline +pid_t wrapper_getpid(void) +{ + if (caa_unlikely(!cached_vpid)) + cached_vpid = getpid(); + return cached_vpid; +} + +/* + * Upon fork or clone, the PID assigned to our thread is not the same as + * we kept in cache. + */ +void lttng_context_vpid_reset(void) +{ + cached_vpid = 0; +} +#endif + +static +size_t vpid_get_size(struct lttng_ctx_field *field, size_t offset) +{ + size_t size = 0; + + size += lib_ring_buffer_align(offset, lttng_alignof(pid_t)); + size += sizeof(pid_t); + return size; +} + +static +void vpid_record(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan) +{ + pid_t pid; + + pid = wrapper_getpid(); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(pid)); + chan->ops->event_write(ctx, &pid, sizeof(pid)); +} + +static +void vpid_get_value(struct lttng_ctx_field *field, + struct lttng_ctx_value *value) +{ + pid_t pid; + + pid = wrapper_getpid(); + value->u.s64 = pid; +} + +int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx) +{ + struct lttng_ctx_field *field; + + field = lttng_append_context(ctx); + if (!field) + return -ENOMEM; + if (lttng_find_context(*ctx, "vpid")) { + lttng_remove_context_field(ctx, field); + return -EEXIST; + } + field->event_field.name = "vpid"; + field->event_field.type.atype = atype_integer; + field->event_field.type.u.basic.integer.size = sizeof(pid_t) * CHAR_BIT; + field->event_field.type.u.basic.integer.alignment = lttng_alignof(pid_t) * CHAR_BIT; + field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(pid_t); + field->event_field.type.u.basic.integer.reverse_byte_order = 0; + field->event_field.type.u.basic.integer.base = 10; + field->event_field.type.u.basic.integer.encoding = lttng_encode_none; + field->get_size = vpid_get_size; + field->record = vpid_record; + field->get_value = vpid_get_value; + lttng_context_update(*ctx); + return 0; +} diff --git a/liblttng-ust/lttng-context-vtid.c b/liblttng-ust/lttng-context-vtid.c new file mode 100644 index 0000000..d1c73d8 --- /dev/null +++ b/liblttng-ust/lttng-context-vtid.c @@ -0,0 +1,111 @@ +/* + * lttng-context-vtid.c + * + * LTTng UST vtid context. + * + * Copyright (C) 2009-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include "lttng-tracer-core.h" + +/* + * We cache the result to ensure we don't trigger a system call for + * each event. + */ +static DEFINE_URCU_TLS(pid_t, cached_vtid); + +/* + * Upon fork or clone, the TID assigned to our thread is not the same as + * we kept in cache. Luckily, we are the only thread surviving in the + * child process, so we can simply clear our cached version. + */ +void lttng_context_vtid_reset(void) +{ + URCU_TLS(cached_vtid) = 0; +} + +static +size_t vtid_get_size(struct lttng_ctx_field *field, size_t offset) +{ + size_t size = 0; + + size += lib_ring_buffer_align(offset, lttng_alignof(pid_t)); + size += sizeof(pid_t); + return size; +} + +static +void vtid_record(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan) +{ + if (caa_unlikely(!URCU_TLS(cached_vtid))) + URCU_TLS(cached_vtid) = gettid(); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(URCU_TLS(cached_vtid))); + chan->ops->event_write(ctx, &URCU_TLS(cached_vtid), + sizeof(URCU_TLS(cached_vtid))); +} + +static +void vtid_get_value(struct lttng_ctx_field *field, + struct lttng_ctx_value *value) +{ + if (caa_unlikely(!URCU_TLS(cached_vtid))) + URCU_TLS(cached_vtid) = gettid(); + value->u.s64 = URCU_TLS(cached_vtid); +} + +int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx) +{ + struct lttng_ctx_field *field; + + field = lttng_append_context(ctx); + if (!field) + return -ENOMEM; + if (lttng_find_context(*ctx, "vtid")) { + lttng_remove_context_field(ctx, field); + return -EEXIST; + } + field->event_field.name = "vtid"; + field->event_field.type.atype = atype_integer; + field->event_field.type.u.basic.integer.size = sizeof(pid_t) * CHAR_BIT; + field->event_field.type.u.basic.integer.alignment = lttng_alignof(pid_t) * CHAR_BIT; + field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(pid_t); + field->event_field.type.u.basic.integer.reverse_byte_order = 0; + field->event_field.type.u.basic.integer.base = 10; + field->event_field.type.u.basic.integer.encoding = lttng_encode_none; + field->get_size = vtid_get_size; + field->record = vtid_record; + field->get_value = vtid_get_value; + lttng_context_update(*ctx); + return 0; +} + +/* + * Force a read (imply TLS fixup for dlopen) of TLS variables. + */ +void lttng_fixup_vtid_tls(void) +{ + asm volatile ("" : : "m" (URCU_TLS(cached_vtid))); +} diff --git a/liblttng-ust/lttng-context.c b/liblttng-ust/lttng-context.c new file mode 100644 index 0000000..33a4cdd --- /dev/null +++ b/liblttng-ust/lttng-context.c @@ -0,0 +1,392 @@ +/* + * lttng-context.c + * + * LTTng UST trace/channel/event context management. + * + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * The filter implementation requires that two consecutive "get" for the + * same context performed by the same thread return the same result. + */ + +int lttng_find_context(struct lttng_ctx *ctx, const char *name) +{ + unsigned int i; + const char *subname; + + if (strncmp(name, "$ctx.", strlen("$ctx.")) == 0) { + subname = name + strlen("$ctx."); + } else { + subname = name; + } + for (i = 0; i < ctx->nr_fields; i++) { + /* Skip allocated (but non-initialized) contexts */ + if (!ctx->fields[i].event_field.name) + continue; + if (!strcmp(ctx->fields[i].event_field.name, subname)) + return 1; + } + return 0; +} + +int lttng_get_context_index(struct lttng_ctx *ctx, const char *name) +{ + unsigned int i; + const char *subname; + + if (!ctx) + return -1; + if (strncmp(name, "$ctx.", strlen("$ctx.")) == 0) { + subname = name + strlen("$ctx."); + } else { + subname = name; + } + for (i = 0; i < ctx->nr_fields; i++) { + /* Skip allocated (but non-initialized) contexts */ + if (!ctx->fields[i].event_field.name) + continue; + if (!strcmp(ctx->fields[i].event_field.name, subname)) + return i; + } + return -1; +} + +static int lttng_find_context_provider(struct lttng_ctx *ctx, const char *name) +{ + unsigned int i; + + for (i = 0; i < ctx->nr_fields; i++) { + /* Skip allocated (but non-initialized) contexts */ + if (!ctx->fields[i].event_field.name) + continue; + if (!strncmp(ctx->fields[i].event_field.name, name, + strlen(name))) + return 1; + } + return 0; +} + +/* + * Note: as we append context information, the pointer location may change. + */ +struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx_p) +{ + struct lttng_ctx_field *field; + struct lttng_ctx *ctx; + + if (!*ctx_p) { + *ctx_p = zmalloc(sizeof(struct lttng_ctx)); + if (!*ctx_p) + return NULL; + (*ctx_p)->largest_align = 1; + } + ctx = *ctx_p; + if (ctx->nr_fields + 1 > ctx->allocated_fields) { + struct lttng_ctx_field *new_fields; + + ctx->allocated_fields = max_t(size_t, 1, 2 * ctx->allocated_fields); + new_fields = zmalloc(ctx->allocated_fields * sizeof(struct lttng_ctx_field)); + if (!new_fields) + return NULL; + if (ctx->fields) + memcpy(new_fields, ctx->fields, sizeof(*ctx->fields) * ctx->nr_fields); + free(ctx->fields); + ctx->fields = new_fields; + } + field = &ctx->fields[ctx->nr_fields]; + ctx->nr_fields++; + return field; +} + +int lttng_context_add_rcu(struct lttng_ctx **ctx_p, + const struct lttng_ctx_field *f) +{ + struct lttng_ctx *old_ctx = *ctx_p, *new_ctx = NULL; + struct lttng_ctx_field *new_fields = NULL; + struct lttng_ctx_field *nf; + + if (old_ctx) { + new_ctx = zmalloc(sizeof(struct lttng_ctx)); + if (!new_ctx) + return -ENOMEM; + *new_ctx = *old_ctx; + new_fields = zmalloc(new_ctx->allocated_fields + * sizeof(struct lttng_ctx_field)); + if (!new_fields) { + free(new_ctx); + return -ENOMEM; + } + memcpy(new_fields, old_ctx->fields, + sizeof(*old_ctx->fields) * old_ctx->nr_fields); + new_ctx->fields = new_fields; + } + nf = lttng_append_context(&new_ctx); + if (!nf) { + free(new_fields); + free(new_ctx); + return -ENOMEM; + } + *nf = *f; + lttng_context_update(new_ctx); + rcu_assign_pointer(*ctx_p, new_ctx); + synchronize_trace(); + if (old_ctx) { + free(old_ctx->fields); + free(old_ctx); + } + return 0; +} + +/* + * lttng_context_update() should be called at least once between context + * modification and trace start. + */ +void lttng_context_update(struct lttng_ctx *ctx) +{ + int i; + size_t largest_align = 8; /* in bits */ + + for (i = 0; i < ctx->nr_fields; i++) { + struct lttng_type *type; + size_t field_align = 8; + + type = &ctx->fields[i].event_field.type; + switch (type->atype) { + case atype_integer: + field_align = type->u.basic.integer.alignment; + break; + case atype_array: + { + struct lttng_basic_type *btype; + + btype = &type->u.array.elem_type; + switch (btype->atype) { + case atype_integer: + field_align = btype->u.basic.integer.alignment; + break; + case atype_string: + break; + + case atype_array: + case atype_sequence: + default: + WARN_ON_ONCE(1); + break; + } + break; + } + case atype_sequence: + { + struct lttng_basic_type *btype; + + btype = &type->u.sequence.length_type; + switch (btype->atype) { + case atype_integer: + field_align = btype->u.basic.integer.alignment; + break; + + case atype_string: + case atype_array: + case atype_sequence: + default: + WARN_ON_ONCE(1); + break; + } + + btype = &type->u.sequence.elem_type; + switch (btype->atype) { + case atype_integer: + field_align = max_t(size_t, + field_align, + btype->u.basic.integer.alignment); + break; + + case atype_string: + break; + + case atype_array: + case atype_sequence: + default: + WARN_ON_ONCE(1); + break; + } + break; + } + case atype_string: + break; + case atype_dynamic: + break; + case atype_enum: + default: + WARN_ON_ONCE(1); + break; + } + largest_align = max_t(size_t, largest_align, field_align); + } + ctx->largest_align = largest_align >> 3; /* bits to bytes */ +} + +/* + * Remove last context field. + */ +void lttng_remove_context_field(struct lttng_ctx **ctx_p, + struct lttng_ctx_field *field) +{ + struct lttng_ctx *ctx; + + ctx = *ctx_p; + ctx->nr_fields--; + assert(&ctx->fields[ctx->nr_fields] == field); + assert(field->field_name == NULL); + memset(&ctx->fields[ctx->nr_fields], 0, sizeof(struct lttng_ctx_field)); +} + +void lttng_destroy_context(struct lttng_ctx *ctx) +{ + int i; + + if (!ctx) + return; + for (i = 0; i < ctx->nr_fields; i++) { + if (ctx->fields[i].destroy) + ctx->fields[i].destroy(&ctx->fields[i]); + free(ctx->fields[i].field_name); + } + free(ctx->fields); + free(ctx); +} + +/* + * Can be safely performed concurrently with tracing using the struct + * lttng_ctx. Using RCU update. Needs to match RCU read-side handling of + * contexts. + * + * This does not allow adding, removing, or changing typing of the + * contexts, since this needs to stay invariant for metadata. However, + * it allows updating the handlers associated with all contexts matching + * a provider (by name) while tracing is using it, in a way that ensures + * a single RCU read-side critical section see either all old, or all + * new handlers. + */ +int lttng_ust_context_set_provider_rcu(struct lttng_ctx **_ctx, + const char *name, + size_t (*get_size)(struct lttng_ctx_field *field, size_t offset), + void (*record)(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan), + void (*get_value)(struct lttng_ctx_field *field, + struct lttng_ctx_value *value)) +{ + int i, ret; + struct lttng_ctx *ctx = *_ctx, *new_ctx; + struct lttng_ctx_field *new_fields; + + if (!ctx || !lttng_find_context_provider(ctx, name)) + return 0; + /* + * We have at least one instance of context for the provider. + */ + new_ctx = zmalloc(sizeof(*new_ctx)); + if (!new_ctx) + return -ENOMEM; + *new_ctx = *ctx; + new_fields = zmalloc(sizeof(*new_fields) * ctx->allocated_fields); + if (!new_fields) { + ret = -ENOMEM; + goto field_error; + } + memcpy(new_fields, ctx->fields, + sizeof(*new_fields) * ctx->allocated_fields); + for (i = 0; i < ctx->nr_fields; i++) { + if (strncmp(new_fields[i].event_field.name, + name, strlen(name)) != 0) + continue; + new_fields[i].get_size = get_size; + new_fields[i].record = record; + new_fields[i].get_value = get_value; + } + new_ctx->fields = new_fields; + rcu_assign_pointer(*_ctx, new_ctx); + synchronize_trace(); + free(ctx->fields); + free(ctx); + return 0; + +field_error: + free(new_ctx); + return ret; +} + +int lttng_session_context_init(struct lttng_ctx **ctx) +{ + int ret; + + ret = lttng_add_pthread_id_to_ctx(ctx); + if (ret) { + WARN("Cannot add context lttng_add_pthread_id_to_ctx"); + goto error; + } + ret = lttng_add_vtid_to_ctx(ctx); + if (ret) { + WARN("Cannot add context lttng_add_vtid_to_ctx"); + goto error; + } + ret = lttng_add_vpid_to_ctx(ctx); + if (ret) { + WARN("Cannot add context lttng_add_vpid_to_ctx"); + goto error; + } + ret = lttng_add_procname_to_ctx(ctx); + if (ret) { + WARN("Cannot add context lttng_add_procname_to_ctx"); + goto error; + } + ret = lttng_add_cpu_id_to_ctx(ctx); + if (ret) { + WARN("Cannot add context lttng_add_cpu_id_to_ctx"); + goto error; + } + lttng_context_update(*ctx); + return 0; + +error: + lttng_destroy_context(*ctx); + return ret; +} + +/* For backward compatibility. Leave those exported symbols in place. */ +struct lttng_ctx *lttng_static_ctx; + +void lttng_context_init(void) +{ +} + +void lttng_context_exit(void) +{ +} diff --git a/liblttng-ust/lttng-events.c b/liblttng-ust/lttng-events.c new file mode 100644 index 0000000..d09c97c --- /dev/null +++ b/liblttng-ust/lttng-events.c @@ -0,0 +1,1173 @@ +/* + * lttng-events.c + * + * Holds LTTng per-session event registry. + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "clock.h" + +#include +#include +#include +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include "error.h" +#include "compat.h" +#include "lttng-ust-uuid.h" + +#include "tracepoint-internal.h" +#include "lttng-tracer.h" +#include "lttng-tracer-core.h" +#include "lttng-ust-statedump.h" +#include "wait.h" +#include "../libringbuffer/shm.h" +#include "jhash.h" + +/* + * All operations within this file are called by the communication + * thread, under ust_lock protection. + */ + +static CDS_LIST_HEAD(sessions); + +struct cds_list_head *_lttng_get_sessions(void) +{ + return &sessions; +} + +static void _lttng_event_destroy(struct lttng_event *event); +static void _lttng_enum_destroy(struct lttng_enum *_enum); + +static +void lttng_session_lazy_sync_enablers(struct lttng_session *session); +static +void lttng_session_sync_enablers(struct lttng_session *session); +static +void lttng_enabler_destroy(struct lttng_enabler *enabler); + +/* + * Called with ust lock held. + */ +int lttng_session_active(void) +{ + struct lttng_session *iter; + + cds_list_for_each_entry(iter, &sessions, node) { + if (iter->active) + return 1; + } + return 0; +} + +static +int lttng_loglevel_match(int loglevel, + unsigned int has_loglevel, + enum lttng_ust_loglevel_type req_type, + int req_loglevel) +{ + if (!has_loglevel) + loglevel = TRACE_DEFAULT; + switch (req_type) { + case LTTNG_UST_LOGLEVEL_RANGE: + if (loglevel <= req_loglevel + || (req_loglevel == -1 && loglevel <= TRACE_DEBUG)) + return 1; + else + return 0; + case LTTNG_UST_LOGLEVEL_SINGLE: + if (loglevel == req_loglevel + || (req_loglevel == -1 && loglevel <= TRACE_DEBUG)) + return 1; + else + return 0; + case LTTNG_UST_LOGLEVEL_ALL: + default: + if (loglevel <= TRACE_DEBUG) + return 1; + else + return 0; + } +} + +void synchronize_trace(void) +{ + synchronize_rcu(); +} + +struct lttng_session *lttng_session_create(void) +{ + struct lttng_session *session; + int i; + + session = zmalloc(sizeof(struct lttng_session)); + if (!session) + return NULL; + if (lttng_session_context_init(&session->ctx)) { + free(session); + return NULL; + } + CDS_INIT_LIST_HEAD(&session->chan_head); + CDS_INIT_LIST_HEAD(&session->events_head); + CDS_INIT_LIST_HEAD(&session->enums_head); + CDS_INIT_LIST_HEAD(&session->enablers_head); + for (i = 0; i < LTTNG_UST_EVENT_HT_SIZE; i++) + CDS_INIT_HLIST_HEAD(&session->events_ht.table[i]); + for (i = 0; i < LTTNG_UST_ENUM_HT_SIZE; i++) + CDS_INIT_HLIST_HEAD(&session->enums_ht.table[i]); + cds_list_add(&session->node, &sessions); + return session; +} + +/* + * Only used internally at session destruction. + */ +static +void _lttng_channel_unmap(struct lttng_channel *lttng_chan) +{ + struct channel *chan; + struct lttng_ust_shm_handle *handle; + + cds_list_del(<tng_chan->node); + lttng_destroy_context(lttng_chan->ctx); + chan = lttng_chan->chan; + handle = lttng_chan->handle; + /* + * note: lttng_chan is private data contained within handle. It + * will be freed along with the handle. + */ + channel_destroy(chan, handle, 0); +} + +static +void register_event(struct lttng_event *event) +{ + int ret; + const struct lttng_event_desc *desc; + + assert(event->registered == 0); + desc = event->desc; + ret = __tracepoint_probe_register(desc->name, + desc->probe_callback, + event, desc->signature); + WARN_ON_ONCE(ret); + if (!ret) + event->registered = 1; +} + +static +void unregister_event(struct lttng_event *event) +{ + int ret; + const struct lttng_event_desc *desc; + + assert(event->registered == 1); + desc = event->desc; + ret = __tracepoint_probe_unregister(desc->name, + desc->probe_callback, + event); + WARN_ON_ONCE(ret); + if (!ret) + event->registered = 0; +} + +/* + * Only used internally at session destruction. + */ +static +void _lttng_event_unregister(struct lttng_event *event) +{ + if (event->registered) + unregister_event(event); +} + +void lttng_session_destroy(struct lttng_session *session) +{ + struct lttng_channel *chan, *tmpchan; + struct lttng_event *event, *tmpevent; + struct lttng_enum *_enum, *tmp_enum; + struct lttng_enabler *enabler, *tmpenabler; + + CMM_ACCESS_ONCE(session->active) = 0; + cds_list_for_each_entry(event, &session->events_head, node) { + _lttng_event_unregister(event); + } + synchronize_trace(); /* Wait for in-flight events to complete */ + cds_list_for_each_entry_safe(enabler, tmpenabler, + &session->enablers_head, node) + lttng_enabler_destroy(enabler); + cds_list_for_each_entry_safe(event, tmpevent, + &session->events_head, node) + _lttng_event_destroy(event); + cds_list_for_each_entry_safe(_enum, tmp_enum, + &session->enums_head, node) + _lttng_enum_destroy(_enum); + cds_list_for_each_entry_safe(chan, tmpchan, &session->chan_head, node) + _lttng_channel_unmap(chan); + cds_list_del(&session->node); + lttng_destroy_context(session->ctx); + free(session); +} + +static +int lttng_enum_create(const struct lttng_enum_desc *desc, + struct lttng_session *session) +{ + const char *enum_name = desc->name; + struct lttng_enum *_enum; + struct cds_hlist_head *head; + struct cds_hlist_node *node; + int ret = 0; + size_t name_len = strlen(enum_name); + uint32_t hash; + int notify_socket; + + hash = jhash(enum_name, name_len, 0); + head = &session->enums_ht.table[hash & (LTTNG_UST_ENUM_HT_SIZE - 1)]; + cds_hlist_for_each_entry(_enum, node, head, hlist) { + assert(_enum->desc); + if (!strncmp(_enum->desc->name, desc->name, + LTTNG_UST_SYM_NAME_LEN - 1)) { + ret = -EEXIST; + goto exist; + } + } + + notify_socket = lttng_get_notify_socket(session->owner); + if (notify_socket < 0) { + ret = notify_socket; + goto socket_error; + } + + _enum = zmalloc(sizeof(*_enum)); + if (!_enum) { + ret = -ENOMEM; + goto cache_error; + } + _enum->session = session; + _enum->desc = desc; + + ret = ustcomm_register_enum(notify_socket, + session->objd, + enum_name, + desc->nr_entries, + desc->entries, + &_enum->id); + if (ret < 0) { + DBG("Error (%d) registering enumeration to sessiond", ret); + goto sessiond_register_error; + } + cds_list_add(&_enum->node, &session->enums_head); + cds_hlist_add_head(&_enum->hlist, head); + return 0; + +sessiond_register_error: + free(_enum); +cache_error: +socket_error: +exist: + return ret; +} + +static +int lttng_create_enum_check(const struct lttng_type *type, + struct lttng_session *session) +{ + switch (type->atype) { + case atype_enum: + { + const struct lttng_enum_desc *enum_desc; + int ret; + + enum_desc = type->u.basic.enumeration.desc; + ret = lttng_enum_create(enum_desc, session); + if (ret && ret != -EEXIST) { + DBG("Unable to create enum error: (%d)", ret); + return ret; + } + break; + } + case atype_dynamic: + { + const struct lttng_event_field *tag_field_generic; + const struct lttng_enum_desc *enum_desc; + int ret; + + tag_field_generic = lttng_ust_dynamic_type_tag_field(); + enum_desc = tag_field_generic->type.u.basic.enumeration.desc; + ret = lttng_enum_create(enum_desc, session); + if (ret && ret != -EEXIST) { + DBG("Unable to create enum error: (%d)", ret); + return ret; + } + break; + } + default: + /* TODO: nested types when they become supported. */ + break; + } + return 0; +} + +static +int lttng_create_all_event_enums(size_t nr_fields, + const struct lttng_event_field *event_fields, + struct lttng_session *session) +{ + size_t i; + int ret; + + /* For each field, ensure enum is part of the session. */ + for (i = 0; i < nr_fields; i++) { + const struct lttng_type *type = &event_fields[i].type; + + ret = lttng_create_enum_check(type, session); + if (ret) + return ret; + } + return 0; +} + +static +int lttng_create_all_ctx_enums(size_t nr_fields, + const struct lttng_ctx_field *ctx_fields, + struct lttng_session *session) +{ + size_t i; + int ret; + + /* For each field, ensure enum is part of the session. */ + for (i = 0; i < nr_fields; i++) { + const struct lttng_type *type = &ctx_fields[i].event_field.type; + + ret = lttng_create_enum_check(type, session); + if (ret) + return ret; + } + return 0; +} + + +int lttng_session_enable(struct lttng_session *session) +{ + int ret = 0; + struct lttng_channel *chan; + int notify_socket; + + if (session->active) { + ret = -EBUSY; + goto end; + } + + notify_socket = lttng_get_notify_socket(session->owner); + if (notify_socket < 0) + return notify_socket; + + /* Set transient enabler state to "enabled" */ + session->tstate = 1; + + /* + * Snapshot the number of events per channel to know the type of header + * we need to use. + */ + cds_list_for_each_entry(chan, &session->chan_head, node) { + const struct lttng_ctx *ctx; + const struct lttng_ctx_field *fields = NULL; + size_t nr_fields = 0; + uint32_t chan_id; + + /* don't change it if session stop/restart */ + if (chan->header_type) + continue; + ctx = chan->ctx; + if (ctx) { + nr_fields = ctx->nr_fields; + fields = ctx->fields; + ret = lttng_create_all_ctx_enums(nr_fields, fields, + session); + if (ret < 0) { + DBG("Error (%d) adding enum to session", ret); + return ret; + } + } + ret = ustcomm_register_channel(notify_socket, + session, + session->objd, + chan->objd, + nr_fields, + fields, + &chan_id, + &chan->header_type); + if (ret) { + DBG("Error (%d) registering channel to sessiond", ret); + return ret; + } + if (chan_id != chan->id) { + DBG("Error: channel registration id (%u) does not match id assigned at creation (%u)", + chan_id, chan->id); + return -EINVAL; + } + } + + /* We need to sync enablers with session before activation. */ + lttng_session_sync_enablers(session); + + /* Set atomically the state to "active" */ + CMM_ACCESS_ONCE(session->active) = 1; + CMM_ACCESS_ONCE(session->been_active) = 1; + + session->statedump_pending = 1; + lttng_ust_sockinfo_session_enabled(session->owner); +end: + return ret; +} + +int lttng_session_disable(struct lttng_session *session) +{ + int ret = 0; + + if (!session->active) { + ret = -EBUSY; + goto end; + } + /* Set atomically the state to "inactive" */ + CMM_ACCESS_ONCE(session->active) = 0; + + /* Set transient enabler state to "disabled" */ + session->tstate = 0; + lttng_session_sync_enablers(session); +end: + return ret; +} + +int lttng_channel_enable(struct lttng_channel *channel) +{ + int ret = 0; + + if (channel->enabled) { + ret = -EBUSY; + goto end; + } + /* Set transient enabler state to "enabled" */ + channel->tstate = 1; + lttng_session_sync_enablers(channel->session); + /* Set atomically the state to "enabled" */ + CMM_ACCESS_ONCE(channel->enabled) = 1; +end: + return ret; +} + +int lttng_channel_disable(struct lttng_channel *channel) +{ + int ret = 0; + + if (!channel->enabled) { + ret = -EBUSY; + goto end; + } + /* Set atomically the state to "disabled" */ + CMM_ACCESS_ONCE(channel->enabled) = 0; + /* Set transient enabler state to "enabled" */ + channel->tstate = 0; + lttng_session_sync_enablers(channel->session); +end: + return ret; +} + +/* + * Supports event creation while tracing session is active. + */ +static +int lttng_event_create(const struct lttng_event_desc *desc, + struct lttng_channel *chan) +{ + const char *event_name = desc->name; + struct lttng_event *event; + struct lttng_session *session = chan->session; + struct cds_hlist_head *head; + struct cds_hlist_node *node; + int ret = 0; + size_t name_len = strlen(event_name); + uint32_t hash; + int notify_socket, loglevel; + const char *uri; + + hash = jhash(event_name, name_len, 0); + head = &chan->session->events_ht.table[hash & (LTTNG_UST_EVENT_HT_SIZE - 1)]; + cds_hlist_for_each_entry(event, node, head, hlist) { + assert(event->desc); + if (!strncmp(event->desc->name, desc->name, + LTTNG_UST_SYM_NAME_LEN - 1) + && chan == event->chan) { + ret = -EEXIST; + goto exist; + } + } + + notify_socket = lttng_get_notify_socket(session->owner); + if (notify_socket < 0) { + ret = notify_socket; + goto socket_error; + } + + ret = lttng_create_all_event_enums(desc->nr_fields, desc->fields, + session); + if (ret < 0) { + DBG("Error (%d) adding enum to session", ret); + goto create_enum_error; + } + + /* + * Check if loglevel match. Refuse to connect event if not. + */ + event = zmalloc(sizeof(struct lttng_event)); + if (!event) { + ret = -ENOMEM; + goto cache_error; + } + event->chan = chan; + + /* Event will be enabled by enabler sync. */ + event->enabled = 0; + event->registered = 0; + CDS_INIT_LIST_HEAD(&event->bytecode_runtime_head); + CDS_INIT_LIST_HEAD(&event->enablers_ref_head); + event->desc = desc; + + if (desc->loglevel) + loglevel = *(*event->desc->loglevel); + else + loglevel = TRACE_DEFAULT; + if (desc->u.ext.model_emf_uri) + uri = *(desc->u.ext.model_emf_uri); + else + uri = NULL; + + /* Fetch event ID from sessiond */ + ret = ustcomm_register_event(notify_socket, + session, + session->objd, + chan->objd, + event_name, + loglevel, + desc->signature, + desc->nr_fields, + desc->fields, + uri, + &event->id); + if (ret < 0) { + DBG("Error (%d) registering event to sessiond", ret); + goto sessiond_register_error; + } + + /* Populate lttng_event structure before tracepoint registration. */ + cmm_smp_wmb(); + cds_list_add(&event->node, &chan->session->events_head); + cds_hlist_add_head(&event->hlist, head); + return 0; + +sessiond_register_error: + free(event); +cache_error: +create_enum_error: +socket_error: +exist: + return ret; +} + +static +int lttng_desc_match_wildcard_enabler(const struct lttng_event_desc *desc, + struct lttng_enabler *enabler) +{ + int loglevel = 0; + unsigned int has_loglevel = 0; + + assert(enabler->type == LTTNG_ENABLER_WILDCARD); + /* Compare excluding final '*' */ + if (strncmp(desc->name, enabler->event_param.name, + strlen(enabler->event_param.name) - 1)) + return 0; + if (desc->loglevel) { + loglevel = *(*desc->loglevel); + has_loglevel = 1; + } + if (!lttng_loglevel_match(loglevel, + has_loglevel, + enabler->event_param.loglevel_type, + enabler->event_param.loglevel)) + return 0; + return 1; +} + +static +int lttng_desc_match_event_enabler(const struct lttng_event_desc *desc, + struct lttng_enabler *enabler) +{ + int loglevel = 0; + unsigned int has_loglevel = 0; + + assert(enabler->type == LTTNG_ENABLER_EVENT); + if (strcmp(desc->name, enabler->event_param.name)) + return 0; + if (desc->loglevel) { + loglevel = *(*desc->loglevel); + has_loglevel = 1; + } + if (!lttng_loglevel_match(loglevel, + has_loglevel, + enabler->event_param.loglevel_type, + enabler->event_param.loglevel)) + return 0; + return 1; +} + +static +int lttng_desc_match_enabler(const struct lttng_event_desc *desc, + struct lttng_enabler *enabler) +{ + struct lttng_ust_excluder_node *excluder; + + /* If event matches with an excluder, return 'does not match' */ + cds_list_for_each_entry(excluder, &enabler->excluder_head, node) { + int count; + + for (count = 0; count < excluder->excluder.count; count++) { + int found, len; + char *excluder_name; + + excluder_name = (char *) (excluder->excluder.names) + + count * LTTNG_UST_SYM_NAME_LEN; + len = strnlen(excluder_name, LTTNG_UST_SYM_NAME_LEN); + if (len > 0 && excluder_name[len - 1] == '*') { + found = !strncmp(desc->name, excluder_name, + len - 1); + } else { + found = !strncmp(desc->name, excluder_name, + LTTNG_UST_SYM_NAME_LEN - 1); + } + if (found) { + return 0; + } + } + } + switch (enabler->type) { + case LTTNG_ENABLER_WILDCARD: + return lttng_desc_match_wildcard_enabler(desc, enabler); + case LTTNG_ENABLER_EVENT: + return lttng_desc_match_event_enabler(desc, enabler); + default: + return -EINVAL; + } +} + +static +int lttng_event_match_enabler(struct lttng_event *event, + struct lttng_enabler *enabler) +{ + if (lttng_desc_match_enabler(event->desc, enabler) + && event->chan == enabler->chan) + return 1; + else + return 0; +} + +static +struct lttng_enabler_ref * lttng_event_enabler_ref(struct lttng_event *event, + struct lttng_enabler *enabler) +{ + struct lttng_enabler_ref *enabler_ref; + + cds_list_for_each_entry(enabler_ref, + &event->enablers_ref_head, node) { + if (enabler_ref->ref == enabler) + return enabler_ref; + } + return NULL; +} + +/* + * Create struct lttng_event if it is missing and present in the list of + * tracepoint probes. + */ +static +void lttng_create_event_if_missing(struct lttng_enabler *enabler) +{ + struct lttng_session *session = enabler->chan->session; + struct lttng_probe_desc *probe_desc; + const struct lttng_event_desc *desc; + struct lttng_event *event; + int i; + struct cds_list_head *probe_list; + + probe_list = lttng_get_probe_list_head(); + /* + * For each probe event, if we find that a probe event matches + * our enabler, create an associated lttng_event if not + * already present. + */ + cds_list_for_each_entry(probe_desc, probe_list, head) { + for (i = 0; i < probe_desc->nr_events; i++) { + int found = 0, ret; + struct cds_hlist_head *head; + struct cds_hlist_node *node; + const char *event_name; + size_t name_len; + uint32_t hash; + + desc = probe_desc->event_desc[i]; + if (!lttng_desc_match_enabler(desc, enabler)) + continue; + event_name = desc->name; + name_len = strlen(event_name); + + /* + * Check if already created. + */ + hash = jhash(event_name, name_len, 0); + head = &session->events_ht.table[hash & (LTTNG_UST_EVENT_HT_SIZE - 1)]; + cds_hlist_for_each_entry(event, node, head, hlist) { + if (event->desc == desc + && event->chan == enabler->chan) + found = 1; + } + if (found) + continue; + + /* + * We need to create an event for this + * event probe. + */ + ret = lttng_event_create(probe_desc->event_desc[i], + enabler->chan); + if (ret) { + DBG("Unable to create event %s, error %d\n", + probe_desc->event_desc[i]->name, ret); + } + } + } +} + +/* + * Create events associated with an enabler (if not already present), + * and add backward reference from the event to the enabler. + */ +static +int lttng_enabler_ref_events(struct lttng_enabler *enabler) +{ + struct lttng_session *session = enabler->chan->session; + struct lttng_event *event; + + /* First ensure that probe events are created for this enabler. */ + lttng_create_event_if_missing(enabler); + + /* For each event matching enabler in session event list. */ + cds_list_for_each_entry(event, &session->events_head, node) { + struct lttng_enabler_ref *enabler_ref; + + if (!lttng_event_match_enabler(event, enabler)) + continue; + + enabler_ref = lttng_event_enabler_ref(event, enabler); + if (!enabler_ref) { + /* + * If no backward ref, create it. + * Add backward ref from event to enabler. + */ + enabler_ref = zmalloc(sizeof(*enabler_ref)); + if (!enabler_ref) + return -ENOMEM; + enabler_ref->ref = enabler; + cds_list_add(&enabler_ref->node, + &event->enablers_ref_head); + } + + /* + * Link filter bytecodes if not linked yet. + */ + lttng_enabler_event_link_bytecode(event, enabler); + + /* TODO: merge event context. */ + } + return 0; +} + +/* + * Called at library load: connect the probe on all enablers matching + * this event. + * Called with session mutex held. + */ +int lttng_fix_pending_events(void) +{ + struct lttng_session *session; + + cds_list_for_each_entry(session, &sessions, node) { + lttng_session_lazy_sync_enablers(session); + } + return 0; +} + +/* + * For each session of the owner thread, execute pending statedump. + * Only dump state for the sessions owned by the caller thread, because + * we don't keep ust_lock across the entire iteration. + */ +void lttng_handle_pending_statedump(void *owner) +{ + struct lttng_session *session; + + /* Execute state dump */ + do_lttng_ust_statedump(owner); + + /* Clear pending state dump */ + if (ust_lock()) { + goto end; + } + cds_list_for_each_entry(session, &sessions, node) { + if (session->owner != owner) + continue; + if (!session->statedump_pending) + continue; + session->statedump_pending = 0; + } +end: + ust_unlock(); + return; +} + +/* + * Only used internally at session destruction. + */ +static +void _lttng_event_destroy(struct lttng_event *event) +{ + struct lttng_enabler_ref *enabler_ref, *tmp_enabler_ref; + + cds_list_del(&event->node); + lttng_destroy_context(event->ctx); + lttng_free_event_filter_runtime(event); + /* Free event enabler refs */ + cds_list_for_each_entry_safe(enabler_ref, tmp_enabler_ref, + &event->enablers_ref_head, node) + free(enabler_ref); + free(event); +} + +static +void _lttng_enum_destroy(struct lttng_enum *_enum) +{ + cds_list_del(&_enum->node); + free(_enum); +} + +void lttng_ust_events_exit(void) +{ + struct lttng_session *session, *tmpsession; + + cds_list_for_each_entry_safe(session, tmpsession, &sessions, node) + lttng_session_destroy(session); +} + +/* + * Enabler management. + */ +struct lttng_enabler *lttng_enabler_create(enum lttng_enabler_type type, + struct lttng_ust_event *event_param, + struct lttng_channel *chan) +{ + struct lttng_enabler *enabler; + + enabler = zmalloc(sizeof(*enabler)); + if (!enabler) + return NULL; + enabler->type = type; + CDS_INIT_LIST_HEAD(&enabler->filter_bytecode_head); + CDS_INIT_LIST_HEAD(&enabler->excluder_head); + memcpy(&enabler->event_param, event_param, + sizeof(enabler->event_param)); + enabler->chan = chan; + /* ctx left NULL */ + enabler->enabled = 0; + cds_list_add(&enabler->node, &enabler->chan->session->enablers_head); + lttng_session_lazy_sync_enablers(enabler->chan->session); + return enabler; +} + +int lttng_enabler_enable(struct lttng_enabler *enabler) +{ + enabler->enabled = 1; + lttng_session_lazy_sync_enablers(enabler->chan->session); + return 0; +} + +int lttng_enabler_disable(struct lttng_enabler *enabler) +{ + enabler->enabled = 0; + lttng_session_lazy_sync_enablers(enabler->chan->session); + return 0; +} + +int lttng_enabler_attach_bytecode(struct lttng_enabler *enabler, + struct lttng_ust_filter_bytecode_node *bytecode) +{ + bytecode->enabler = enabler; + cds_list_add_tail(&bytecode->node, &enabler->filter_bytecode_head); + lttng_session_lazy_sync_enablers(enabler->chan->session); + return 0; +} + +int lttng_enabler_attach_exclusion(struct lttng_enabler *enabler, + struct lttng_ust_excluder_node *excluder) +{ + excluder->enabler = enabler; + cds_list_add_tail(&excluder->node, &enabler->excluder_head); + lttng_session_lazy_sync_enablers(enabler->chan->session); + return 0; +} + +int lttng_attach_context(struct lttng_ust_context *context_param, + union ust_args *uargs, + struct lttng_ctx **ctx, struct lttng_session *session) +{ + /* + * We cannot attach a context after trace has been started for a + * session because the metadata does not allow expressing this + * information outside of the original channel scope. + */ + if (session->been_active) + return -EPERM; + + switch (context_param->ctx) { + case LTTNG_UST_CONTEXT_PTHREAD_ID: + return lttng_add_pthread_id_to_ctx(ctx); + case LTTNG_UST_CONTEXT_PERF_THREAD_COUNTER: + { + struct lttng_ust_perf_counter_ctx *perf_ctx_param; + + perf_ctx_param = &context_param->u.perf_counter; + return lttng_add_perf_counter_to_ctx( + perf_ctx_param->type, + perf_ctx_param->config, + perf_ctx_param->name, + ctx); + } + case LTTNG_UST_CONTEXT_VTID: + return lttng_add_vtid_to_ctx(ctx); + case LTTNG_UST_CONTEXT_VPID: + return lttng_add_vpid_to_ctx(ctx); + case LTTNG_UST_CONTEXT_PROCNAME: + return lttng_add_procname_to_ctx(ctx); + case LTTNG_UST_CONTEXT_IP: + return lttng_add_ip_to_ctx(ctx); + case LTTNG_UST_CONTEXT_CPU_ID: + return lttng_add_cpu_id_to_ctx(ctx); + case LTTNG_UST_CONTEXT_APP_CONTEXT: + return lttng_ust_add_app_context_to_ctx_rcu(uargs->app_context.ctxname, + ctx); + default: + return -EINVAL; + } +} + +int lttng_enabler_attach_context(struct lttng_enabler *enabler, + struct lttng_ust_context *context_param) +{ +#if 0 // disabled for now. + struct lttng_session *session = enabler->chan->session; + int ret; + + ret = lttng_attach_context(context_param, &enabler->ctx, + session); + if (ret) + return ret; + lttng_session_lazy_sync_enablers(enabler->chan->session); +#endif + return -ENOSYS; +} + +static +void lttng_enabler_destroy(struct lttng_enabler *enabler) +{ + struct lttng_ust_filter_bytecode_node *filter_node, *tmp_filter_node; + struct lttng_ust_excluder_node *excluder_node, *tmp_excluder_node; + + /* Destroy filter bytecode */ + cds_list_for_each_entry_safe(filter_node, tmp_filter_node, + &enabler->filter_bytecode_head, node) { + free(filter_node); + } + + /* Destroy excluders */ + cds_list_for_each_entry_safe(excluder_node, tmp_excluder_node, + &enabler->excluder_head, node) { + free(excluder_node); + } + + /* Destroy contexts */ + lttng_destroy_context(enabler->ctx); + + cds_list_del(&enabler->node); + free(enabler); +} + +/* + * lttng_session_sync_enablers should be called just before starting a + * session. + */ +static +void lttng_session_sync_enablers(struct lttng_session *session) +{ + struct lttng_enabler *enabler; + struct lttng_event *event; + + cds_list_for_each_entry(enabler, &session->enablers_head, node) + lttng_enabler_ref_events(enabler); + /* + * For each event, if at least one of its enablers is enabled, + * and its channel and session transient states are enabled, we + * enable the event, else we disable it. + */ + cds_list_for_each_entry(event, &session->events_head, node) { + struct lttng_enabler_ref *enabler_ref; + struct lttng_bytecode_runtime *runtime; + int enabled = 0, has_enablers_without_bytecode = 0; + + /* Enable events */ + cds_list_for_each_entry(enabler_ref, + &event->enablers_ref_head, node) { + if (enabler_ref->ref->enabled) { + enabled = 1; + break; + } + } + /* + * Enabled state is based on union of enablers, with + * intesection of session and channel transient enable + * states. + */ + enabled = enabled && session->tstate && event->chan->tstate; + + CMM_STORE_SHARED(event->enabled, enabled); + /* + * Sync tracepoint registration with event enabled + * state. + */ + if (enabled) { + if (!event->registered) + register_event(event); + } else { + if (event->registered) + unregister_event(event); + } + + /* Check if has enablers without bytecode enabled */ + cds_list_for_each_entry(enabler_ref, + &event->enablers_ref_head, node) { + if (enabler_ref->ref->enabled + && cds_list_empty(&enabler_ref->ref->filter_bytecode_head)) { + has_enablers_without_bytecode = 1; + break; + } + } + event->has_enablers_without_bytecode = + has_enablers_without_bytecode; + + /* Enable filters */ + cds_list_for_each_entry(runtime, + &event->bytecode_runtime_head, node) { + lttng_filter_sync_state(runtime); + } + } +} + +/* + * Apply enablers to session events, adding events to session if need + * be. It is required after each modification applied to an active + * session, and right before session "start". + * "lazy" sync means we only sync if required. + */ +static +void lttng_session_lazy_sync_enablers(struct lttng_session *session) +{ + /* We can skip if session is not active */ + if (!session->active) + return; + lttng_session_sync_enablers(session); +} + +/* + * Update all sessions with the given app context. + * Called with ust lock held. + * This is invoked when an application context gets loaded/unloaded. It + * ensures the context callbacks are in sync with the application + * context (either app context callbacks, or dummy callbacks). + */ +void lttng_ust_context_set_session_provider(const char *name, + size_t (*get_size)(struct lttng_ctx_field *field, size_t offset), + void (*record)(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan), + void (*get_value)(struct lttng_ctx_field *field, + struct lttng_ctx_value *value)) +{ + struct lttng_session *session; + + cds_list_for_each_entry(session, &sessions, node) { + struct lttng_channel *chan; + struct lttng_event *event; + int ret; + + ret = lttng_ust_context_set_provider_rcu(&session->ctx, + name, get_size, record, get_value); + if (ret) + abort(); + cds_list_for_each_entry(chan, &session->chan_head, node) { + ret = lttng_ust_context_set_provider_rcu(&chan->ctx, + name, get_size, record, get_value); + if (ret) + abort(); + } + cds_list_for_each_entry(event, &session->events_head, node) { + ret = lttng_ust_context_set_provider_rcu(&event->ctx, + name, get_size, record, get_value); + if (ret) + abort(); + } + } +} diff --git a/liblttng-ust/lttng-filter-interpreter.c b/liblttng-ust/lttng-filter-interpreter.c new file mode 100644 index 0000000..3eee8e0 --- /dev/null +++ b/liblttng-ust/lttng-filter-interpreter.c @@ -0,0 +1,1437 @@ +/* + * lttng-filter-interpreter.c + * + * LTTng UST filter interpreter. + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include "lttng-filter.h" + +/* + * -1: wildcard found. + * -2: unknown escape char. + * 0: normal char. + */ + +static +int parse_char(const char **p) +{ + switch (**p) { + case '\\': + (*p)++; + switch (**p) { + case '\\': + case '*': + return 0; + default: + return -2; + } + case '*': + return -1; + default: + return 0; + } +} + +static +int stack_strcmp(struct estack *stack, int top, const char *cmp_type) +{ + const char *p = estack_bx(stack, top)->u.s.str, *q = estack_ax(stack, top)->u.s.str; + int ret; + int diff; + + for (;;) { + int escaped_r0 = 0; + + if (unlikely(p - estack_bx(stack, top)->u.s.str >= estack_bx(stack, top)->u.s.seq_len || *p == '\0')) { + if (q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0') { + return 0; + } else { + if (estack_ax(stack, top)->u.s.literal) { + ret = parse_char(&q); + if (ret == -1) + return 0; + } + return -1; + } + } + if (unlikely(q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0')) { + if (estack_bx(stack, top)->u.s.literal) { + ret = parse_char(&p); + if (ret == -1) + return 0; + } + return 1; + } + if (estack_bx(stack, top)->u.s.literal) { + ret = parse_char(&p); + if (ret == -1) { + return 0; + } else if (ret == -2) { + escaped_r0 = 1; + } + /* else compare both char */ + } + if (estack_ax(stack, top)->u.s.literal) { + ret = parse_char(&q); + if (ret == -1) { + return 0; + } else if (ret == -2) { + if (!escaped_r0) + return -1; + } else { + if (escaped_r0) + return 1; + } + } else { + if (escaped_r0) + return 1; + } + diff = *p - *q; + if (diff != 0) + break; + p++; + q++; + } + return diff; +} + +uint64_t lttng_filter_false(void *filter_data, + const char *filter_stack_data) +{ + return 0; +} + +#ifdef INTERPRETER_USE_SWITCH + +/* + * Fallback for compilers that do not support taking address of labels. + */ + +#define START_OP \ + start_pc = &bytecode->data[0]; \ + for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; \ + pc = next_pc) { \ + dbg_printf("Executing op %s (%u)\n", \ + print_op((unsigned int) *(filter_opcode_t *) pc), \ + (unsigned int) *(filter_opcode_t *) pc); \ + switch (*(filter_opcode_t *) pc) { + +#define OP(name) jump_target_##name: __attribute__((unused)); \ + case name + +#define PO break + +#define END_OP } \ + } + +#define JUMP_TO(name) \ + goto jump_target_##name + +#else + +/* + * Dispatch-table based interpreter. + */ + +#define START_OP \ + start_pc = &bytecode->data[0]; \ + pc = next_pc = start_pc; \ + if (unlikely(pc - start_pc >= bytecode->len)) \ + goto end; \ + goto *dispatch[*(filter_opcode_t *) pc]; + +#define OP(name) \ +LABEL_##name + +#define PO \ + pc = next_pc; \ + goto *dispatch[*(filter_opcode_t *) pc]; + +#define END_OP + +#define JUMP_TO(name) \ + goto LABEL_##name + +#endif + +/* + * Return 0 (discard), or raise the 0x1 flag (log event). + * Currently, other flags are kept for future extensions and have no + * effect. + */ +uint64_t lttng_filter_interpret_bytecode(void *filter_data, + const char *filter_stack_data) +{ + struct bytecode_runtime *bytecode = filter_data; + struct lttng_session *session = bytecode->p.session; + void *pc, *next_pc, *start_pc; + int ret = -EINVAL; + uint64_t retval = 0; + struct estack _stack; + struct estack *stack = &_stack; + register int64_t ax = 0, bx = 0; + register enum entry_type ax_t = REG_UNKNOWN, bx_t = REG_UNKNOWN; + register int top = FILTER_STACK_EMPTY; +#ifndef INTERPRETER_USE_SWITCH + static void *dispatch[NR_FILTER_OPS] = { + [ FILTER_OP_UNKNOWN ] = &&LABEL_FILTER_OP_UNKNOWN, + + [ FILTER_OP_RETURN ] = &&LABEL_FILTER_OP_RETURN, + + /* binary */ + [ FILTER_OP_MUL ] = &&LABEL_FILTER_OP_MUL, + [ FILTER_OP_DIV ] = &&LABEL_FILTER_OP_DIV, + [ FILTER_OP_MOD ] = &&LABEL_FILTER_OP_MOD, + [ FILTER_OP_PLUS ] = &&LABEL_FILTER_OP_PLUS, + [ FILTER_OP_MINUS ] = &&LABEL_FILTER_OP_MINUS, + [ FILTER_OP_RSHIFT ] = &&LABEL_FILTER_OP_RSHIFT, + [ FILTER_OP_LSHIFT ] = &&LABEL_FILTER_OP_LSHIFT, + [ FILTER_OP_BIN_AND ] = &&LABEL_FILTER_OP_BIN_AND, + [ FILTER_OP_BIN_OR ] = &&LABEL_FILTER_OP_BIN_OR, + [ FILTER_OP_BIN_XOR ] = &&LABEL_FILTER_OP_BIN_XOR, + + /* binary comparators */ + [ FILTER_OP_EQ ] = &&LABEL_FILTER_OP_EQ, + [ FILTER_OP_NE ] = &&LABEL_FILTER_OP_NE, + [ FILTER_OP_GT ] = &&LABEL_FILTER_OP_GT, + [ FILTER_OP_LT ] = &&LABEL_FILTER_OP_LT, + [ FILTER_OP_GE ] = &&LABEL_FILTER_OP_GE, + [ FILTER_OP_LE ] = &&LABEL_FILTER_OP_LE, + + /* string binary comparator */ + [ FILTER_OP_EQ_STRING ] = &&LABEL_FILTER_OP_EQ_STRING, + [ FILTER_OP_NE_STRING ] = &&LABEL_FILTER_OP_NE_STRING, + [ FILTER_OP_GT_STRING ] = &&LABEL_FILTER_OP_GT_STRING, + [ FILTER_OP_LT_STRING ] = &&LABEL_FILTER_OP_LT_STRING, + [ FILTER_OP_GE_STRING ] = &&LABEL_FILTER_OP_GE_STRING, + [ FILTER_OP_LE_STRING ] = &&LABEL_FILTER_OP_LE_STRING, + + /* s64 binary comparator */ + [ FILTER_OP_EQ_S64 ] = &&LABEL_FILTER_OP_EQ_S64, + [ FILTER_OP_NE_S64 ] = &&LABEL_FILTER_OP_NE_S64, + [ FILTER_OP_GT_S64 ] = &&LABEL_FILTER_OP_GT_S64, + [ FILTER_OP_LT_S64 ] = &&LABEL_FILTER_OP_LT_S64, + [ FILTER_OP_GE_S64 ] = &&LABEL_FILTER_OP_GE_S64, + [ FILTER_OP_LE_S64 ] = &&LABEL_FILTER_OP_LE_S64, + + /* double binary comparator */ + [ FILTER_OP_EQ_DOUBLE ] = &&LABEL_FILTER_OP_EQ_DOUBLE, + [ FILTER_OP_NE_DOUBLE ] = &&LABEL_FILTER_OP_NE_DOUBLE, + [ FILTER_OP_GT_DOUBLE ] = &&LABEL_FILTER_OP_GT_DOUBLE, + [ FILTER_OP_LT_DOUBLE ] = &&LABEL_FILTER_OP_LT_DOUBLE, + [ FILTER_OP_GE_DOUBLE ] = &&LABEL_FILTER_OP_GE_DOUBLE, + [ FILTER_OP_LE_DOUBLE ] = &&LABEL_FILTER_OP_LE_DOUBLE, + + /* Mixed S64-double binary comparators */ + [ FILTER_OP_EQ_DOUBLE_S64 ] = &&LABEL_FILTER_OP_EQ_DOUBLE_S64, + [ FILTER_OP_NE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_NE_DOUBLE_S64, + [ FILTER_OP_GT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GT_DOUBLE_S64, + [ FILTER_OP_LT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LT_DOUBLE_S64, + [ FILTER_OP_GE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GE_DOUBLE_S64, + [ FILTER_OP_LE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LE_DOUBLE_S64, + + [ FILTER_OP_EQ_S64_DOUBLE ] = &&LABEL_FILTER_OP_EQ_S64_DOUBLE, + [ FILTER_OP_NE_S64_DOUBLE ] = &&LABEL_FILTER_OP_NE_S64_DOUBLE, + [ FILTER_OP_GT_S64_DOUBLE ] = &&LABEL_FILTER_OP_GT_S64_DOUBLE, + [ FILTER_OP_LT_S64_DOUBLE ] = &&LABEL_FILTER_OP_LT_S64_DOUBLE, + [ FILTER_OP_GE_S64_DOUBLE ] = &&LABEL_FILTER_OP_GE_S64_DOUBLE, + [ FILTER_OP_LE_S64_DOUBLE ] = &&LABEL_FILTER_OP_LE_S64_DOUBLE, + + /* unary */ + [ FILTER_OP_UNARY_PLUS ] = &&LABEL_FILTER_OP_UNARY_PLUS, + [ FILTER_OP_UNARY_MINUS ] = &&LABEL_FILTER_OP_UNARY_MINUS, + [ FILTER_OP_UNARY_NOT ] = &&LABEL_FILTER_OP_UNARY_NOT, + [ FILTER_OP_UNARY_PLUS_S64 ] = &&LABEL_FILTER_OP_UNARY_PLUS_S64, + [ FILTER_OP_UNARY_MINUS_S64 ] = &&LABEL_FILTER_OP_UNARY_MINUS_S64, + [ FILTER_OP_UNARY_NOT_S64 ] = &&LABEL_FILTER_OP_UNARY_NOT_S64, + [ FILTER_OP_UNARY_PLUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_PLUS_DOUBLE, + [ FILTER_OP_UNARY_MINUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_MINUS_DOUBLE, + [ FILTER_OP_UNARY_NOT_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_NOT_DOUBLE, + + /* logical */ + [ FILTER_OP_AND ] = &&LABEL_FILTER_OP_AND, + [ FILTER_OP_OR ] = &&LABEL_FILTER_OP_OR, + + /* load field ref */ + [ FILTER_OP_LOAD_FIELD_REF ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF, + [ FILTER_OP_LOAD_FIELD_REF_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_STRING, + [ FILTER_OP_LOAD_FIELD_REF_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_SEQUENCE, + [ FILTER_OP_LOAD_FIELD_REF_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_S64, + [ FILTER_OP_LOAD_FIELD_REF_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_DOUBLE, + + /* load from immediate operand */ + [ FILTER_OP_LOAD_STRING ] = &&LABEL_FILTER_OP_LOAD_STRING, + [ FILTER_OP_LOAD_S64 ] = &&LABEL_FILTER_OP_LOAD_S64, + [ FILTER_OP_LOAD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_DOUBLE, + + /* cast */ + [ FILTER_OP_CAST_TO_S64 ] = &&LABEL_FILTER_OP_CAST_TO_S64, + [ FILTER_OP_CAST_DOUBLE_TO_S64 ] = &&LABEL_FILTER_OP_CAST_DOUBLE_TO_S64, + [ FILTER_OP_CAST_NOP ] = &&LABEL_FILTER_OP_CAST_NOP, + + /* get context ref */ + [ FILTER_OP_GET_CONTEXT_REF ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF, + [ FILTER_OP_GET_CONTEXT_REF_STRING ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_STRING, + [ FILTER_OP_GET_CONTEXT_REF_S64 ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_S64, + [ FILTER_OP_GET_CONTEXT_REF_DOUBLE ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_DOUBLE, + }; +#endif /* #ifndef INTERPRETER_USE_SWITCH */ + + START_OP + + OP(FILTER_OP_UNKNOWN): + OP(FILTER_OP_LOAD_FIELD_REF): +#ifdef INTERPRETER_USE_SWITCH + default: +#endif /* INTERPRETER_USE_SWITCH */ + ERR("unknown bytecode op %u\n", + (unsigned int) *(filter_opcode_t *) pc); + ret = -EINVAL; + goto end; + + OP(FILTER_OP_RETURN): + /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ + retval = !!estack_ax_v; + ret = 0; + goto end; + + /* binary */ + OP(FILTER_OP_MUL): + OP(FILTER_OP_DIV): + OP(FILTER_OP_MOD): + OP(FILTER_OP_PLUS): + OP(FILTER_OP_MINUS): + OP(FILTER_OP_RSHIFT): + OP(FILTER_OP_LSHIFT): + OP(FILTER_OP_BIN_AND): + OP(FILTER_OP_BIN_OR): + OP(FILTER_OP_BIN_XOR): + ERR("unsupported bytecode op %u\n", + (unsigned int) *(filter_opcode_t *) pc); + ret = -EINVAL; + goto end; + + OP(FILTER_OP_EQ): + { + /* Dynamic typing. */ + switch (estack_ax_t) { + case REG_S64: + switch (estack_bx_t) { + case REG_S64: + JUMP_TO(FILTER_OP_EQ_S64); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_EQ_DOUBLE_S64); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + case REG_DOUBLE: + switch (estack_bx_t) { + case REG_S64: + JUMP_TO(FILTER_OP_EQ_S64_DOUBLE); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_EQ_DOUBLE); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + case REG_STRING: + switch (estack_bx_t) { + case REG_S64: /* Fall-through */ + case REG_DOUBLE: + ret = -EINVAL; + goto end; + case REG_STRING: + JUMP_TO(FILTER_OP_EQ_STRING); + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + default: + ERR("Unknown filter register type (%d)", + (int) estack_ax_t); + ret = -EINVAL; + goto end; + } + } + OP(FILTER_OP_NE): + { + /* Dynamic typing. */ + switch (estack_ax_t) { + case REG_S64: + switch (estack_bx_t) { + case REG_S64: + JUMP_TO(FILTER_OP_NE_S64); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_NE_DOUBLE_S64); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + case REG_DOUBLE: + switch (estack_bx_t) { + case REG_S64: + JUMP_TO(FILTER_OP_NE_S64_DOUBLE); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_NE_DOUBLE); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + case REG_STRING: + switch (estack_bx_t) { + case REG_S64: /* Fall-through */ + case REG_DOUBLE: + ret = -EINVAL; + goto end; + case REG_STRING: + JUMP_TO(FILTER_OP_NE_STRING); + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + default: + ERR("Unknown filter register type (%d)", + (int) estack_ax_t); + ret = -EINVAL; + goto end; + } + } + OP(FILTER_OP_GT): + { + /* Dynamic typing. */ + switch (estack_ax_t) { + case REG_S64: + switch (estack_bx_t) { + case REG_S64: + JUMP_TO(FILTER_OP_GT_S64); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_GT_DOUBLE_S64); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + case REG_DOUBLE: + switch (estack_bx_t) { + case REG_S64: + JUMP_TO(FILTER_OP_GT_S64_DOUBLE); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_GT_DOUBLE); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + case REG_STRING: + switch (estack_bx_t) { + case REG_S64: /* Fall-through */ + case REG_DOUBLE: + ret = -EINVAL; + goto end; + case REG_STRING: + JUMP_TO(FILTER_OP_GT_STRING); + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + default: + ERR("Unknown filter register type (%d)", + (int) estack_ax_t); + ret = -EINVAL; + goto end; + } + } + OP(FILTER_OP_LT): + { + /* Dynamic typing. */ + switch (estack_ax_t) { + case REG_S64: + switch (estack_bx_t) { + case REG_S64: + JUMP_TO(FILTER_OP_LT_S64); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_LT_DOUBLE_S64); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + case REG_DOUBLE: + switch (estack_bx_t) { + case REG_S64: + JUMP_TO(FILTER_OP_LT_S64_DOUBLE); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_LT_DOUBLE); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + case REG_STRING: + switch (estack_bx_t) { + case REG_S64: /* Fall-through */ + case REG_DOUBLE: + ret = -EINVAL; + goto end; + case REG_STRING: + JUMP_TO(FILTER_OP_LT_STRING); + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + default: + ERR("Unknown filter register type (%d)", + (int) estack_ax_t); + ret = -EINVAL; + goto end; + } + } + OP(FILTER_OP_GE): + { + /* Dynamic typing. */ + switch (estack_ax_t) { + case REG_S64: + switch (estack_bx_t) { + case REG_S64: + JUMP_TO(FILTER_OP_GE_S64); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_GE_DOUBLE_S64); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + case REG_DOUBLE: + switch (estack_bx_t) { + case REG_S64: + JUMP_TO(FILTER_OP_GE_S64_DOUBLE); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_GE_DOUBLE); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + case REG_STRING: + switch (estack_bx_t) { + case REG_S64: /* Fall-through */ + case REG_DOUBLE: + ret = -EINVAL; + goto end; + case REG_STRING: + JUMP_TO(FILTER_OP_GE_STRING); + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + default: + ERR("Unknown filter register type (%d)", + (int) estack_ax_t); + ret = -EINVAL; + goto end; + } + } + OP(FILTER_OP_LE): + { + /* Dynamic typing. */ + switch (estack_ax_t) { + case REG_S64: + switch (estack_bx_t) { + case REG_S64: + JUMP_TO(FILTER_OP_LE_S64); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_LE_DOUBLE_S64); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + case REG_DOUBLE: + switch (estack_bx_t) { + case REG_S64: + JUMP_TO(FILTER_OP_LE_S64_DOUBLE); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_LE_DOUBLE); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + case REG_STRING: + switch (estack_bx_t) { + case REG_S64: /* Fall-through */ + case REG_DOUBLE: + ret = -EINVAL; + goto end; + case REG_STRING: + JUMP_TO(FILTER_OP_LE_STRING); + default: + ERR("Unknown filter register type (%d)", + (int) estack_bx_t); + ret = -EINVAL; + goto end; + } + break; + default: + ERR("Unknown filter register type (%d)", + (int) estack_ax_t); + ret = -EINVAL; + goto end; + } + } + + OP(FILTER_OP_EQ_STRING): + { + int res; + + res = (stack_strcmp(stack, top, "==") == 0); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_NE_STRING): + { + int res; + + res = (stack_strcmp(stack, top, "!=") != 0); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_GT_STRING): + { + int res; + + res = (stack_strcmp(stack, top, ">") > 0); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_LT_STRING): + { + int res; + + res = (stack_strcmp(stack, top, "<") < 0); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_GE_STRING): + { + int res; + + res = (stack_strcmp(stack, top, ">=") >= 0); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_LE_STRING): + { + int res; + + res = (stack_strcmp(stack, top, "<=") <= 0); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + + OP(FILTER_OP_EQ_S64): + { + int res; + + res = (estack_bx_v == estack_ax_v); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_NE_S64): + { + int res; + + res = (estack_bx_v != estack_ax_v); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_GT_S64): + { + int res; + + res = (estack_bx_v > estack_ax_v); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_LT_S64): + { + int res; + + res = (estack_bx_v < estack_ax_v); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_GE_S64): + { + int res; + + res = (estack_bx_v >= estack_ax_v); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_LE_S64): + { + int res; + + res = (estack_bx_v <= estack_ax_v); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + + OP(FILTER_OP_EQ_DOUBLE): + { + int res; + + res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_NE_DOUBLE): + { + int res; + + res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_GT_DOUBLE): + { + int res; + + res = (estack_bx(stack, top)->u.d > estack_ax(stack, top)->u.d); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_LT_DOUBLE): + { + int res; + + res = (estack_bx(stack, top)->u.d < estack_ax(stack, top)->u.d); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_GE_DOUBLE): + { + int res; + + res = (estack_bx(stack, top)->u.d >= estack_ax(stack, top)->u.d); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_LE_DOUBLE): + { + int res; + + res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + + /* Mixed S64-double binary comparators */ + OP(FILTER_OP_EQ_DOUBLE_S64): + { + int res; + + res = (estack_bx(stack, top)->u.d == estack_ax_v); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_NE_DOUBLE_S64): + { + int res; + + res = (estack_bx(stack, top)->u.d != estack_ax_v); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_GT_DOUBLE_S64): + { + int res; + + res = (estack_bx(stack, top)->u.d > estack_ax_v); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_LT_DOUBLE_S64): + { + int res; + + res = (estack_bx(stack, top)->u.d < estack_ax_v); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_GE_DOUBLE_S64): + { + int res; + + res = (estack_bx(stack, top)->u.d >= estack_ax_v); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_LE_DOUBLE_S64): + { + int res; + + res = (estack_bx(stack, top)->u.d <= estack_ax_v); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + + OP(FILTER_OP_EQ_S64_DOUBLE): + { + int res; + + res = (estack_bx_v == estack_ax(stack, top)->u.d); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_NE_S64_DOUBLE): + { + int res; + + res = (estack_bx_v != estack_ax(stack, top)->u.d); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_GT_S64_DOUBLE): + { + int res; + + res = (estack_bx_v > estack_ax(stack, top)->u.d); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_LT_S64_DOUBLE): + { + int res; + + res = (estack_bx_v < estack_ax(stack, top)->u.d); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_GE_S64_DOUBLE): + { + int res; + + res = (estack_bx_v >= estack_ax(stack, top)->u.d); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + OP(FILTER_OP_LE_S64_DOUBLE): + { + int res; + + res = (estack_bx_v <= estack_ax(stack, top)->u.d); + estack_pop(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = res; + estack_ax_t = REG_S64; + next_pc += sizeof(struct binary_op); + PO; + } + + /* unary */ + OP(FILTER_OP_UNARY_PLUS): + { + /* Dynamic typing. */ + switch (estack_ax_t) { + case REG_S64: /* Fall-through. */ + JUMP_TO(FILTER_OP_UNARY_PLUS_S64); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_UNARY_PLUS_DOUBLE); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_ax_t); + ret = -EINVAL; + goto end; + } + } + OP(FILTER_OP_UNARY_MINUS): + { + /* Dynamic typing. */ + switch (estack_ax_t) { + case REG_S64: + JUMP_TO(FILTER_OP_UNARY_MINUS_S64); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_UNARY_MINUS_DOUBLE); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_ax_t); + ret = -EINVAL; + goto end; + } + } + OP(FILTER_OP_UNARY_NOT): + { + /* Dynamic typing. */ + switch (estack_ax_t) { + case REG_S64: + JUMP_TO(FILTER_OP_UNARY_NOT_S64); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_UNARY_NOT_DOUBLE); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_ax_t); + ret = -EINVAL; + goto end; + } + next_pc += sizeof(struct unary_op); + PO; + } + + OP(FILTER_OP_UNARY_PLUS_S64): + OP(FILTER_OP_UNARY_PLUS_DOUBLE): + { + next_pc += sizeof(struct unary_op); + PO; + } + OP(FILTER_OP_UNARY_MINUS_S64): + { + estack_ax_v = -estack_ax_v; + next_pc += sizeof(struct unary_op); + PO; + } + OP(FILTER_OP_UNARY_MINUS_DOUBLE): + { + estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; + next_pc += sizeof(struct unary_op); + PO; + } + OP(FILTER_OP_UNARY_NOT_S64): + { + estack_ax_v = !estack_ax_v; + next_pc += sizeof(struct unary_op); + PO; + } + OP(FILTER_OP_UNARY_NOT_DOUBLE): + { + estack_ax_v = !estack_ax(stack, top)->u.d; + estack_ax_t = REG_S64; + next_pc += sizeof(struct unary_op); + PO; + } + + /* logical */ + OP(FILTER_OP_AND): + { + struct logical_op *insn = (struct logical_op *) pc; + + if (estack_ax_t != REG_S64) { + ret = -EINVAL; + goto end; + } + /* If AX is 0, skip and evaluate to 0 */ + if (unlikely(estack_ax_v == 0)) { + dbg_printf("Jumping to bytecode offset %u\n", + (unsigned int) insn->skip_offset); + next_pc = start_pc + insn->skip_offset; + } else { + /* Pop 1 when jump not taken */ + estack_pop(stack, top, ax, bx, ax_t, bx_t); + next_pc += sizeof(struct logical_op); + } + PO; + } + OP(FILTER_OP_OR): + { + struct logical_op *insn = (struct logical_op *) pc; + + if (estack_ax_t != REG_S64) { + ret = -EINVAL; + goto end; + } + /* If AX is nonzero, skip and evaluate to 1 */ + if (unlikely(estack_ax_v != 0)) { + estack_ax_v = 1; + dbg_printf("Jumping to bytecode offset %u\n", + (unsigned int) insn->skip_offset); + next_pc = start_pc + insn->skip_offset; + } else { + /* Pop 1 when jump not taken */ + estack_pop(stack, top, ax, bx, ax_t, bx_t); + next_pc += sizeof(struct logical_op); + } + PO; + } + + + /* load field ref */ + OP(FILTER_OP_LOAD_FIELD_REF_STRING): + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + + dbg_printf("load field ref offset %u type string\n", + ref->offset); + estack_push(stack, top, ax, bx, ax_t, bx_t); + estack_ax(stack, top)->u.s.str = + *(const char * const *) &filter_stack_data[ref->offset]; + if (unlikely(!estack_ax(stack, top)->u.s.str)) { + dbg_printf("Filter warning: loading a NULL string.\n"); + ret = -EINVAL; + goto end; + } + estack_ax(stack, top)->u.s.seq_len = UINT_MAX; + estack_ax(stack, top)->u.s.literal = 0; + estack_ax_t = REG_STRING; + dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + PO; + } + + OP(FILTER_OP_LOAD_FIELD_REF_SEQUENCE): + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + + dbg_printf("load field ref offset %u type sequence\n", + ref->offset); + estack_push(stack, top, ax, bx, ax_t, bx_t); + estack_ax(stack, top)->u.s.seq_len = + *(unsigned long *) &filter_stack_data[ref->offset]; + estack_ax(stack, top)->u.s.str = + *(const char **) (&filter_stack_data[ref->offset + + sizeof(unsigned long)]); + estack_ax_t = REG_STRING; + if (unlikely(!estack_ax(stack, top)->u.s.str)) { + dbg_printf("Filter warning: loading a NULL sequence.\n"); + ret = -EINVAL; + goto end; + } + estack_ax(stack, top)->u.s.literal = 0; + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + PO; + } + + OP(FILTER_OP_LOAD_FIELD_REF_S64): + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + + dbg_printf("load field ref offset %u type s64\n", + ref->offset); + estack_push(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = + ((struct literal_numeric *) &filter_stack_data[ref->offset])->v; + estack_ax_t = REG_S64; + dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + PO; + } + + OP(FILTER_OP_LOAD_FIELD_REF_DOUBLE): + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + + dbg_printf("load field ref offset %u type double\n", + ref->offset); + estack_push(stack, top, ax, bx, ax_t, bx_t); + memcpy(&estack_ax(stack, top)->u.d, &filter_stack_data[ref->offset], + sizeof(struct literal_double)); + estack_ax_t = REG_DOUBLE; + dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + PO; + } + + /* load from immediate operand */ + OP(FILTER_OP_LOAD_STRING): + { + struct load_op *insn = (struct load_op *) pc; + + dbg_printf("load string %s\n", insn->data); + estack_push(stack, top, ax, bx, ax_t, bx_t); + estack_ax(stack, top)->u.s.str = insn->data; + estack_ax(stack, top)->u.s.seq_len = UINT_MAX; + estack_ax(stack, top)->u.s.literal = 1; + estack_ax_t = REG_STRING; + next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; + PO; + } + + OP(FILTER_OP_LOAD_S64): + { + struct load_op *insn = (struct load_op *) pc; + + estack_push(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = ((struct literal_numeric *) insn->data)->v; + estack_ax_t = REG_S64; + dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); + next_pc += sizeof(struct load_op) + + sizeof(struct literal_numeric); + PO; + } + + OP(FILTER_OP_LOAD_DOUBLE): + { + struct load_op *insn = (struct load_op *) pc; + + estack_push(stack, top, ax, bx, ax_t, bx_t); + memcpy(&estack_ax(stack, top)->u.d, insn->data, + sizeof(struct literal_double)); + estack_ax_t = REG_DOUBLE; + dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); + next_pc += sizeof(struct load_op) + + sizeof(struct literal_double); + PO; + } + + /* cast */ + OP(FILTER_OP_CAST_TO_S64): + { + /* Dynamic typing. */ + switch (estack_ax_t) { + case REG_S64: + JUMP_TO(FILTER_OP_CAST_NOP); + case REG_DOUBLE: + JUMP_TO(FILTER_OP_CAST_DOUBLE_TO_S64); + case REG_STRING: + ret = -EINVAL; + goto end; + default: + ERR("Unknown filter register type (%d)", + (int) estack_ax_t); + ret = -EINVAL; + goto end; + } + } + + OP(FILTER_OP_CAST_DOUBLE_TO_S64): + { + estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; + estack_ax_t = REG_S64; + next_pc += sizeof(struct cast_op); + PO; + } + + OP(FILTER_OP_CAST_NOP): + { + next_pc += sizeof(struct cast_op); + PO; + } + + /* get context ref */ + OP(FILTER_OP_GET_CONTEXT_REF): + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + struct lttng_ctx *ctx; + struct lttng_ctx_field *ctx_field; + struct lttng_ctx_value v; + + dbg_printf("get context ref offset %u type dynamic\n", + ref->offset); + ctx = rcu_dereference(session->ctx); + ctx_field = &ctx->fields[ref->offset]; + ctx_field->get_value(ctx_field, &v); + estack_push(stack, top, ax, bx, ax_t, bx_t); + switch (v.sel) { + case LTTNG_UST_DYNAMIC_TYPE_NONE: + ret = -EINVAL; + goto end; + case LTTNG_UST_DYNAMIC_TYPE_S64: + estack_ax_v = v.u.s64; + estack_ax_t = REG_S64; + dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); + break; + case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: + estack_ax(stack, top)->u.d = v.u.d; + estack_ax_t = REG_DOUBLE; + dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); + break; + case LTTNG_UST_DYNAMIC_TYPE_STRING: + estack_ax(stack, top)->u.s.str = v.u.str; + if (unlikely(!estack_ax(stack, top)->u.s.str)) { + dbg_printf("Filter warning: loading a NULL string.\n"); + ret = -EINVAL; + goto end; + } + estack_ax(stack, top)->u.s.seq_len = UINT_MAX; + estack_ax(stack, top)->u.s.literal = 0; + dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); + estack_ax_t = REG_STRING; + break; + default: + dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); + ret = -EINVAL; + goto end; + } + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + PO; + } + + OP(FILTER_OP_GET_CONTEXT_REF_STRING): + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + struct lttng_ctx *ctx; + struct lttng_ctx_field *ctx_field; + struct lttng_ctx_value v; + + dbg_printf("get context ref offset %u type string\n", + ref->offset); + ctx = rcu_dereference(session->ctx); + ctx_field = &ctx->fields[ref->offset]; + ctx_field->get_value(ctx_field, &v); + estack_push(stack, top, ax, bx, ax_t, bx_t); + estack_ax(stack, top)->u.s.str = v.u.str; + if (unlikely(!estack_ax(stack, top)->u.s.str)) { + dbg_printf("Filter warning: loading a NULL string.\n"); + ret = -EINVAL; + goto end; + } + estack_ax(stack, top)->u.s.seq_len = UINT_MAX; + estack_ax(stack, top)->u.s.literal = 0; + estack_ax_t = REG_STRING; + dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + PO; + } + + OP(FILTER_OP_GET_CONTEXT_REF_S64): + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + struct lttng_ctx *ctx; + struct lttng_ctx_field *ctx_field; + struct lttng_ctx_value v; + + dbg_printf("get context ref offset %u type s64\n", + ref->offset); + ctx = rcu_dereference(session->ctx); + ctx_field = &ctx->fields[ref->offset]; + ctx_field->get_value(ctx_field, &v); + estack_push(stack, top, ax, bx, ax_t, bx_t); + estack_ax_v = v.u.s64; + estack_ax_t = REG_S64; + dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + PO; + } + + OP(FILTER_OP_GET_CONTEXT_REF_DOUBLE): + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + struct lttng_ctx *ctx; + struct lttng_ctx_field *ctx_field; + struct lttng_ctx_value v; + + dbg_printf("get context ref offset %u type double\n", + ref->offset); + ctx = rcu_dereference(session->ctx); + ctx_field = &ctx->fields[ref->offset]; + ctx_field->get_value(ctx_field, &v); + estack_push(stack, top, ax, bx, ax_t, bx_t); + memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); + estack_ax_t = REG_DOUBLE; + dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + PO; + } + + END_OP +end: + /* return 0 (discard) on error */ + if (ret) + return 0; + return retval; +} + +#undef START_OP +#undef OP +#undef PO +#undef END_OP diff --git a/liblttng-ust/lttng-filter-specialize.c b/liblttng-ust/lttng-filter-specialize.c new file mode 100644 index 0000000..dddb448 --- /dev/null +++ b/liblttng-ust/lttng-filter-specialize.c @@ -0,0 +1,600 @@ +/* + * lttng-filter-specialize.c + * + * LTTng UST filter code specializer. + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "lttng-filter.h" + +int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode) +{ + void *pc, *next_pc, *start_pc; + int ret = -EINVAL; + struct vstack _stack; + struct vstack *stack = &_stack; + + vstack_init(stack); + + start_pc = &bytecode->data[0]; + for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; + pc = next_pc) { + switch (*(filter_opcode_t *) pc) { + case FILTER_OP_UNKNOWN: + default: + ERR("unknown bytecode op %u\n", + (unsigned int) *(filter_opcode_t *) pc); + ret = -EINVAL; + goto end; + + case FILTER_OP_RETURN: + ret = 0; + goto end; + + /* binary */ + case FILTER_OP_MUL: + case FILTER_OP_DIV: + case FILTER_OP_MOD: + case FILTER_OP_PLUS: + case FILTER_OP_MINUS: + case FILTER_OP_RSHIFT: + case FILTER_OP_LSHIFT: + case FILTER_OP_BIN_AND: + case FILTER_OP_BIN_OR: + case FILTER_OP_BIN_XOR: + ERR("unsupported bytecode op %u\n", + (unsigned int) *(filter_opcode_t *) pc); + ret = -EINVAL; + goto end; + + case FILTER_OP_EQ: + { + struct binary_op *insn = (struct binary_op *) pc; + + switch(vstack_ax(stack)->type) { + default: + ERR("unknown register type\n"); + ret = -EINVAL; + goto end; + + case REG_STRING: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + insn->op = FILTER_OP_EQ_STRING; + break; + case REG_S64: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + if (vstack_bx(stack)->type == REG_S64) + insn->op = FILTER_OP_EQ_S64; + else + insn->op = FILTER_OP_EQ_DOUBLE_S64; + break; + case REG_DOUBLE: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + if (vstack_bx(stack)->type == REG_S64) + insn->op = FILTER_OP_EQ_S64_DOUBLE; + else + insn->op = FILTER_OP_EQ_DOUBLE; + break; + case REG_UNKNOWN: + break; /* Dynamic typing. */ + } + /* Pop 2, push 1 */ + if (vstack_pop(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct binary_op); + break; + } + + case FILTER_OP_NE: + { + struct binary_op *insn = (struct binary_op *) pc; + + switch(vstack_ax(stack)->type) { + default: + ERR("unknown register type\n"); + ret = -EINVAL; + goto end; + + case REG_STRING: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + insn->op = FILTER_OP_NE_STRING; + break; + case REG_S64: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + if (vstack_bx(stack)->type == REG_S64) + insn->op = FILTER_OP_NE_S64; + else + insn->op = FILTER_OP_NE_DOUBLE_S64; + break; + case REG_DOUBLE: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + if (vstack_bx(stack)->type == REG_S64) + insn->op = FILTER_OP_NE_S64_DOUBLE; + else + insn->op = FILTER_OP_NE_DOUBLE; + break; + case REG_UNKNOWN: + break; /* Dynamic typing. */ + } + /* Pop 2, push 1 */ + if (vstack_pop(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct binary_op); + break; + } + + case FILTER_OP_GT: + { + struct binary_op *insn = (struct binary_op *) pc; + + switch(vstack_ax(stack)->type) { + default: + ERR("unknown register type\n"); + ret = -EINVAL; + goto end; + + case REG_STRING: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + insn->op = FILTER_OP_GT_STRING; + break; + case REG_S64: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + if (vstack_bx(stack)->type == REG_S64) + insn->op = FILTER_OP_GT_S64; + else + insn->op = FILTER_OP_GT_DOUBLE_S64; + break; + case REG_DOUBLE: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + if (vstack_bx(stack)->type == REG_S64) + insn->op = FILTER_OP_GT_S64_DOUBLE; + else + insn->op = FILTER_OP_GT_DOUBLE; + break; + case REG_UNKNOWN: + break; /* Dynamic typing. */ + } + /* Pop 2, push 1 */ + if (vstack_pop(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct binary_op); + break; + } + + case FILTER_OP_LT: + { + struct binary_op *insn = (struct binary_op *) pc; + + switch(vstack_ax(stack)->type) { + default: + ERR("unknown register type\n"); + ret = -EINVAL; + goto end; + + case REG_STRING: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + insn->op = FILTER_OP_LT_STRING; + break; + case REG_S64: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + if (vstack_bx(stack)->type == REG_S64) + insn->op = FILTER_OP_LT_S64; + else + insn->op = FILTER_OP_LT_DOUBLE_S64; + break; + case REG_DOUBLE: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + if (vstack_bx(stack)->type == REG_S64) + insn->op = FILTER_OP_LT_S64_DOUBLE; + else + insn->op = FILTER_OP_LT_DOUBLE; + break; + case REG_UNKNOWN: + break; /* Dynamic typing. */ + } + /* Pop 2, push 1 */ + if (vstack_pop(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct binary_op); + break; + } + + case FILTER_OP_GE: + { + struct binary_op *insn = (struct binary_op *) pc; + + switch(vstack_ax(stack)->type) { + default: + ERR("unknown register type\n"); + ret = -EINVAL; + goto end; + + case REG_STRING: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + insn->op = FILTER_OP_GE_STRING; + break; + case REG_S64: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + if (vstack_bx(stack)->type == REG_S64) + insn->op = FILTER_OP_GE_S64; + else + insn->op = FILTER_OP_GE_DOUBLE_S64; + break; + case REG_DOUBLE: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + if (vstack_bx(stack)->type == REG_S64) + insn->op = FILTER_OP_GE_S64_DOUBLE; + else + insn->op = FILTER_OP_GE_DOUBLE; + break; + case REG_UNKNOWN: + break; /* Dynamic typing. */ + } + /* Pop 2, push 1 */ + if (vstack_pop(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct binary_op); + break; + } + case FILTER_OP_LE: + { + struct binary_op *insn = (struct binary_op *) pc; + + switch(vstack_ax(stack)->type) { + default: + ERR("unknown register type\n"); + ret = -EINVAL; + goto end; + + case REG_STRING: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + insn->op = FILTER_OP_LE_STRING; + break; + case REG_S64: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + if (vstack_bx(stack)->type == REG_S64) + insn->op = FILTER_OP_LE_S64; + else + insn->op = FILTER_OP_LE_DOUBLE_S64; + break; + case REG_DOUBLE: + if (vstack_bx(stack)->type == REG_UNKNOWN) + break; + if (vstack_bx(stack)->type == REG_S64) + insn->op = FILTER_OP_LE_S64_DOUBLE; + else + insn->op = FILTER_OP_LE_DOUBLE; + break; + case REG_UNKNOWN: + break; /* Dynamic typing. */ + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct binary_op); + break; + } + + case FILTER_OP_EQ_STRING: + case FILTER_OP_NE_STRING: + case FILTER_OP_GT_STRING: + case FILTER_OP_LT_STRING: + case FILTER_OP_GE_STRING: + case FILTER_OP_LE_STRING: + case FILTER_OP_EQ_S64: + case FILTER_OP_NE_S64: + case FILTER_OP_GT_S64: + case FILTER_OP_LT_S64: + case FILTER_OP_GE_S64: + case FILTER_OP_LE_S64: + case FILTER_OP_EQ_DOUBLE: + case FILTER_OP_NE_DOUBLE: + case FILTER_OP_GT_DOUBLE: + case FILTER_OP_LT_DOUBLE: + case FILTER_OP_GE_DOUBLE: + case FILTER_OP_LE_DOUBLE: + case FILTER_OP_EQ_DOUBLE_S64: + case FILTER_OP_NE_DOUBLE_S64: + case FILTER_OP_GT_DOUBLE_S64: + case FILTER_OP_LT_DOUBLE_S64: + case FILTER_OP_GE_DOUBLE_S64: + case FILTER_OP_LE_DOUBLE_S64: + case FILTER_OP_EQ_S64_DOUBLE: + case FILTER_OP_NE_S64_DOUBLE: + case FILTER_OP_GT_S64_DOUBLE: + case FILTER_OP_LT_S64_DOUBLE: + case FILTER_OP_GE_S64_DOUBLE: + case FILTER_OP_LE_S64_DOUBLE: + { + /* Pop 2, push 1 */ + if (vstack_pop(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct binary_op); + break; + } + + /* unary */ + case FILTER_OP_UNARY_PLUS: + { + struct unary_op *insn = (struct unary_op *) pc; + + switch(vstack_ax(stack)->type) { + default: + ERR("unknown register type\n"); + ret = -EINVAL; + goto end; + + case REG_S64: + insn->op = FILTER_OP_UNARY_PLUS_S64; + break; + case REG_DOUBLE: + insn->op = FILTER_OP_UNARY_PLUS_DOUBLE; + break; + case REG_UNKNOWN: /* Dynamic typing. */ + break; + } + /* Pop 1, push 1 */ + next_pc += sizeof(struct unary_op); + break; + } + + case FILTER_OP_UNARY_MINUS: + { + struct unary_op *insn = (struct unary_op *) pc; + + switch(vstack_ax(stack)->type) { + default: + ERR("unknown register type\n"); + ret = -EINVAL; + goto end; + + case REG_S64: + insn->op = FILTER_OP_UNARY_MINUS_S64; + break; + case REG_DOUBLE: + insn->op = FILTER_OP_UNARY_MINUS_DOUBLE; + break; + case REG_UNKNOWN: /* Dynamic typing. */ + break; + } + /* Pop 1, push 1 */ + next_pc += sizeof(struct unary_op); + break; + } + + case FILTER_OP_UNARY_NOT: + { + struct unary_op *insn = (struct unary_op *) pc; + + switch(vstack_ax(stack)->type) { + default: + ERR("unknown register type\n"); + ret = -EINVAL; + goto end; + + case REG_S64: + insn->op = FILTER_OP_UNARY_NOT_S64; + break; + case REG_DOUBLE: + insn->op = FILTER_OP_UNARY_NOT_DOUBLE; + break; + case REG_UNKNOWN: /* Dynamic typing. */ + break; + } + /* Pop 1, push 1 */ + next_pc += sizeof(struct unary_op); + break; + } + + case FILTER_OP_UNARY_PLUS_S64: + case FILTER_OP_UNARY_MINUS_S64: + case FILTER_OP_UNARY_NOT_S64: + case FILTER_OP_UNARY_PLUS_DOUBLE: + case FILTER_OP_UNARY_MINUS_DOUBLE: + case FILTER_OP_UNARY_NOT_DOUBLE: + { + /* Pop 1, push 1 */ + next_pc += sizeof(struct unary_op); + break; + } + + /* logical */ + case FILTER_OP_AND: + case FILTER_OP_OR: + { + /* Continue to next instruction */ + /* Pop 1 when jump not taken */ + if (vstack_pop(stack)) { + ret = -EINVAL; + goto end; + } + next_pc += sizeof(struct logical_op); + break; + } + + /* load field ref */ + case FILTER_OP_LOAD_FIELD_REF: + { + ERR("Unknown field ref type\n"); + ret = -EINVAL; + goto end; + } + /* get context ref */ + case FILTER_OP_GET_CONTEXT_REF: + { + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_UNKNOWN; + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + break; + } + case FILTER_OP_LOAD_FIELD_REF_STRING: + case FILTER_OP_LOAD_FIELD_REF_SEQUENCE: + case FILTER_OP_GET_CONTEXT_REF_STRING: + { + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_STRING; + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + break; + } + case FILTER_OP_LOAD_FIELD_REF_S64: + case FILTER_OP_GET_CONTEXT_REF_S64: + { + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + break; + } + case FILTER_OP_LOAD_FIELD_REF_DOUBLE: + case FILTER_OP_GET_CONTEXT_REF_DOUBLE: + { + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_DOUBLE; + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + break; + } + + /* load from immediate operand */ + case FILTER_OP_LOAD_STRING: + { + struct load_op *insn = (struct load_op *) pc; + + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_STRING; + next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; + break; + } + + case FILTER_OP_LOAD_S64: + { + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct load_op) + + sizeof(struct literal_numeric); + break; + } + + case FILTER_OP_LOAD_DOUBLE: + { + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_DOUBLE; + next_pc += sizeof(struct load_op) + + sizeof(struct literal_double); + break; + } + + /* cast */ + case FILTER_OP_CAST_TO_S64: + { + struct cast_op *insn = (struct cast_op *) pc; + + switch (vstack_ax(stack)->type) { + default: + ERR("unknown register type\n"); + ret = -EINVAL; + goto end; + + case REG_STRING: + ERR("Cast op can only be applied to numeric or floating point registers\n"); + ret = -EINVAL; + goto end; + case REG_S64: + insn->op = FILTER_OP_CAST_NOP; + break; + case REG_DOUBLE: + insn->op = FILTER_OP_CAST_DOUBLE_TO_S64; + break; + case REG_UNKNOWN: + break; + } + /* Pop 1, push 1 */ + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct cast_op); + break; + } + case FILTER_OP_CAST_DOUBLE_TO_S64: + { + /* Pop 1, push 1 */ + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct cast_op); + break; + } + case FILTER_OP_CAST_NOP: + { + next_pc += sizeof(struct cast_op); + break; + } + + } + } +end: + return ret; +} diff --git a/liblttng-ust/lttng-filter-validator.c b/liblttng-ust/lttng-filter-validator.c new file mode 100644 index 0000000..eb3d67d --- /dev/null +++ b/liblttng-ust/lttng-filter-validator.c @@ -0,0 +1,1231 @@ +/* + * lttng-filter-validator.c + * + * LTTng UST filter bytecode validator. + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _LGPL_SOURCE +#include +#include +#include "lttng-filter.h" + +#include +#include "lttng-hash-helper.h" + +/* + * Number of merge points for hash table size. Hash table initialized to + * that size, and we do not resize, because we do not want to trigger + * RCU worker thread execution: fall-back on linear traversal if number + * of merge points exceeds this value. + */ +#define DEFAULT_NR_MERGE_POINTS 128 +#define MIN_NR_BUCKETS 128 +#define MAX_NR_BUCKETS 128 + +/* merge point table node */ +struct lfht_mp_node { + struct cds_lfht_node node; + + /* Context at merge point */ + struct vstack stack; + unsigned long target_pc; +}; + +static unsigned long lttng_hash_seed; +static unsigned int lttng_hash_seed_ready; + +static +int lttng_hash_match(struct cds_lfht_node *node, const void *key) +{ + struct lfht_mp_node *mp_node = + caa_container_of(node, struct lfht_mp_node, node); + unsigned long key_pc = (unsigned long) key; + + if (mp_node->target_pc == key_pc) + return 1; + else + return 0; +} + +static +int merge_points_compare(const struct vstack *stacka, + const struct vstack *stackb) +{ + int i, len; + + if (stacka->top != stackb->top) + return 1; + len = stacka->top + 1; + assert(len >= 0); + for (i = 0; i < len; i++) { + if (stacka->e[i].type != REG_UNKNOWN + && stackb->e[i].type != REG_UNKNOWN + && stacka->e[i].type != stackb->e[i].type) + return 1; + } + return 0; +} + +static +int merge_point_add_check(struct cds_lfht *ht, unsigned long target_pc, + const struct vstack *stack) +{ + struct lfht_mp_node *node; + unsigned long hash = lttng_hash_mix((const char *) target_pc, + sizeof(target_pc), + lttng_hash_seed); + struct cds_lfht_node *ret; + + dbg_printf("Filter: adding merge point at offset %lu, hash %lu\n", + target_pc, hash); + node = zmalloc(sizeof(struct lfht_mp_node)); + if (!node) + return -ENOMEM; + node->target_pc = target_pc; + memcpy(&node->stack, stack, sizeof(node->stack)); + ret = cds_lfht_add_unique(ht, hash, lttng_hash_match, + (const char *) target_pc, &node->node); + if (ret != &node->node) { + struct lfht_mp_node *ret_mp = + caa_container_of(ret, struct lfht_mp_node, node); + + /* Key already present */ + dbg_printf("Filter: compare merge points for offset %lu, hash %lu\n", + target_pc, hash); + free(node); + if (merge_points_compare(stack, &ret_mp->stack)) { + ERR("Merge points differ for offset %lu\n", + target_pc); + return -EINVAL; + } + } + return 0; +} + +/* + * Binary comparators use top of stack and top of stack -1. + * Return 0 if typing is known to match, 1 if typing is dynamic + * (unknown), negative error value on error. + */ +static +int bin_op_compare_check(struct vstack *stack, const char *str) +{ + if (unlikely(!vstack_ax(stack) || !vstack_bx(stack))) + goto error_empty; + + switch (vstack_ax(stack)->type) { + default: + goto error_type; + + case REG_UNKNOWN: + goto unknown; + case REG_STRING: + switch (vstack_bx(stack)->type) { + default: + goto error_type; + + case REG_UNKNOWN: + goto unknown; + case REG_STRING: + break; + case REG_S64: + case REG_DOUBLE: + goto error_mismatch; + } + break; + case REG_S64: + case REG_DOUBLE: + switch (vstack_bx(stack)->type) { + default: + goto error_type; + + case REG_UNKNOWN: + goto unknown; + case REG_STRING: + goto error_mismatch; + case REG_S64: + case REG_DOUBLE: + break; + } + break; + } + return 0; + +unknown: + return 1; + +error_mismatch: + ERR("type mismatch for '%s' binary operator\n", str); + return -EINVAL; + +error_empty: + ERR("empty stack for '%s' binary operator\n", str); + return -EINVAL; + +error_type: + ERR("unknown type for '%s' binary operator\n", str); + return -EINVAL; +} + +/* + * Validate bytecode range overflow within the validation pass. + * Called for each instruction encountered. + */ +static +int bytecode_validate_overflow(struct bytecode_runtime *bytecode, + char *start_pc, char *pc) +{ + int ret = 0; + + switch (*(filter_opcode_t *) pc) { + case FILTER_OP_UNKNOWN: + default: + { + ERR("unknown bytecode op %u\n", + (unsigned int) *(filter_opcode_t *) pc); + ret = -EINVAL; + break; + } + + case FILTER_OP_RETURN: + { + if (unlikely(pc + sizeof(struct return_op) + > start_pc + bytecode->len)) { + ret = -ERANGE; + } + break; + } + + /* binary */ + case FILTER_OP_MUL: + case FILTER_OP_DIV: + case FILTER_OP_MOD: + case FILTER_OP_PLUS: + case FILTER_OP_MINUS: + case FILTER_OP_RSHIFT: + case FILTER_OP_LSHIFT: + case FILTER_OP_BIN_AND: + case FILTER_OP_BIN_OR: + case FILTER_OP_BIN_XOR: + { + ERR("unsupported bytecode op %u\n", + (unsigned int) *(filter_opcode_t *) pc); + ret = -EINVAL; + break; + } + + case FILTER_OP_EQ: + case FILTER_OP_NE: + case FILTER_OP_GT: + case FILTER_OP_LT: + case FILTER_OP_GE: + case FILTER_OP_LE: + case FILTER_OP_EQ_STRING: + case FILTER_OP_NE_STRING: + case FILTER_OP_GT_STRING: + case FILTER_OP_LT_STRING: + case FILTER_OP_GE_STRING: + case FILTER_OP_LE_STRING: + case FILTER_OP_EQ_S64: + case FILTER_OP_NE_S64: + case FILTER_OP_GT_S64: + case FILTER_OP_LT_S64: + case FILTER_OP_GE_S64: + case FILTER_OP_LE_S64: + case FILTER_OP_EQ_DOUBLE: + case FILTER_OP_NE_DOUBLE: + case FILTER_OP_GT_DOUBLE: + case FILTER_OP_LT_DOUBLE: + case FILTER_OP_GE_DOUBLE: + case FILTER_OP_LE_DOUBLE: + case FILTER_OP_EQ_DOUBLE_S64: + case FILTER_OP_NE_DOUBLE_S64: + case FILTER_OP_GT_DOUBLE_S64: + case FILTER_OP_LT_DOUBLE_S64: + case FILTER_OP_GE_DOUBLE_S64: + case FILTER_OP_LE_DOUBLE_S64: + case FILTER_OP_EQ_S64_DOUBLE: + case FILTER_OP_NE_S64_DOUBLE: + case FILTER_OP_GT_S64_DOUBLE: + case FILTER_OP_LT_S64_DOUBLE: + case FILTER_OP_GE_S64_DOUBLE: + case FILTER_OP_LE_S64_DOUBLE: + { + if (unlikely(pc + sizeof(struct binary_op) + > start_pc + bytecode->len)) { + ret = -ERANGE; + } + break; + } + + /* unary */ + case FILTER_OP_UNARY_PLUS: + case FILTER_OP_UNARY_MINUS: + case FILTER_OP_UNARY_NOT: + case FILTER_OP_UNARY_PLUS_S64: + case FILTER_OP_UNARY_MINUS_S64: + case FILTER_OP_UNARY_NOT_S64: + case FILTER_OP_UNARY_PLUS_DOUBLE: + case FILTER_OP_UNARY_MINUS_DOUBLE: + case FILTER_OP_UNARY_NOT_DOUBLE: + { + if (unlikely(pc + sizeof(struct unary_op) + > start_pc + bytecode->len)) { + ret = -ERANGE; + } + break; + } + + /* logical */ + case FILTER_OP_AND: + case FILTER_OP_OR: + { + if (unlikely(pc + sizeof(struct logical_op) + > start_pc + bytecode->len)) { + ret = -ERANGE; + } + break; + } + + /* load field ref */ + case FILTER_OP_LOAD_FIELD_REF: + { + ERR("Unknown field ref type\n"); + ret = -EINVAL; + break; + } + /* get context ref */ + case FILTER_OP_GET_CONTEXT_REF: + case FILTER_OP_LOAD_FIELD_REF_STRING: + case FILTER_OP_LOAD_FIELD_REF_SEQUENCE: + case FILTER_OP_LOAD_FIELD_REF_S64: + case FILTER_OP_LOAD_FIELD_REF_DOUBLE: + case FILTER_OP_GET_CONTEXT_REF_STRING: + case FILTER_OP_GET_CONTEXT_REF_S64: + case FILTER_OP_GET_CONTEXT_REF_DOUBLE: + { + if (unlikely(pc + sizeof(struct load_op) + sizeof(struct field_ref) + > start_pc + bytecode->len)) { + ret = -ERANGE; + } + break; + } + + /* load from immediate operand */ + case FILTER_OP_LOAD_STRING: + { + struct load_op *insn = (struct load_op *) pc; + uint32_t str_len, maxlen; + + if (unlikely(pc + sizeof(struct load_op) + > start_pc + bytecode->len)) { + ret = -ERANGE; + break; + } + + maxlen = start_pc + bytecode->len - pc - sizeof(struct load_op); + str_len = strnlen(insn->data, maxlen); + if (unlikely(str_len >= maxlen)) { + /* Final '\0' not found within range */ + ret = -ERANGE; + } + break; + } + + case FILTER_OP_LOAD_S64: + { + if (unlikely(pc + sizeof(struct load_op) + sizeof(struct literal_numeric) + > start_pc + bytecode->len)) { + ret = -ERANGE; + } + break; + } + + case FILTER_OP_LOAD_DOUBLE: + { + if (unlikely(pc + sizeof(struct load_op) + sizeof(struct literal_double) + > start_pc + bytecode->len)) { + ret = -ERANGE; + } + break; + } + + case FILTER_OP_CAST_TO_S64: + case FILTER_OP_CAST_DOUBLE_TO_S64: + case FILTER_OP_CAST_NOP: + { + if (unlikely(pc + sizeof(struct cast_op) + > start_pc + bytecode->len)) { + ret = -ERANGE; + } + break; + } + + } + + return ret; +} + +static +unsigned long delete_all_nodes(struct cds_lfht *ht) +{ + struct cds_lfht_iter iter; + struct lfht_mp_node *node; + unsigned long nr_nodes = 0; + + cds_lfht_for_each_entry(ht, &iter, node, node) { + int ret; + + ret = cds_lfht_del(ht, cds_lfht_iter_get_node(&iter)); + assert(!ret); + /* note: this hash table is never used concurrently */ + free(node); + nr_nodes++; + } + return nr_nodes; +} + +/* + * Return value: + * >=0: success + * <0: error + */ +static +int validate_instruction_context(struct bytecode_runtime *bytecode, + struct vstack *stack, + char *start_pc, + char *pc) +{ + int ret = 0; + + switch (*(filter_opcode_t *) pc) { + case FILTER_OP_UNKNOWN: + default: + { + ERR("unknown bytecode op %u\n", + (unsigned int) *(filter_opcode_t *) pc); + ret = -EINVAL; + goto end; + } + + case FILTER_OP_RETURN: + { + goto end; + } + + /* binary */ + case FILTER_OP_MUL: + case FILTER_OP_DIV: + case FILTER_OP_MOD: + case FILTER_OP_PLUS: + case FILTER_OP_MINUS: + case FILTER_OP_RSHIFT: + case FILTER_OP_LSHIFT: + case FILTER_OP_BIN_AND: + case FILTER_OP_BIN_OR: + case FILTER_OP_BIN_XOR: + { + ERR("unsupported bytecode op %u\n", + (unsigned int) *(filter_opcode_t *) pc); + ret = -EINVAL; + goto end; + } + + case FILTER_OP_EQ: + { + ret = bin_op_compare_check(stack, "=="); + if (ret < 0) + goto end; + break; + } + case FILTER_OP_NE: + { + ret = bin_op_compare_check(stack, "!="); + if (ret < 0) + goto end; + break; + } + case FILTER_OP_GT: + { + ret = bin_op_compare_check(stack, ">"); + if (ret < 0) + goto end; + break; + } + case FILTER_OP_LT: + { + ret = bin_op_compare_check(stack, "<"); + if (ret < 0) + goto end; + break; + } + case FILTER_OP_GE: + { + ret = bin_op_compare_check(stack, ">="); + if (ret < 0) + goto end; + break; + } + case FILTER_OP_LE: + { + ret = bin_op_compare_check(stack, "<="); + if (ret < 0) + goto end; + break; + } + + case FILTER_OP_EQ_STRING: + case FILTER_OP_NE_STRING: + case FILTER_OP_GT_STRING: + case FILTER_OP_LT_STRING: + case FILTER_OP_GE_STRING: + case FILTER_OP_LE_STRING: + { + if (!vstack_ax(stack) || !vstack_bx(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + if (vstack_ax(stack)->type != REG_STRING + || vstack_bx(stack)->type != REG_STRING) { + ERR("Unexpected register type for string comparator\n"); + ret = -EINVAL; + goto end; + } + break; + } + + case FILTER_OP_EQ_S64: + case FILTER_OP_NE_S64: + case FILTER_OP_GT_S64: + case FILTER_OP_LT_S64: + case FILTER_OP_GE_S64: + case FILTER_OP_LE_S64: + { + if (!vstack_ax(stack) || !vstack_bx(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + if (vstack_ax(stack)->type != REG_S64 + || vstack_bx(stack)->type != REG_S64) { + ERR("Unexpected register type for s64 comparator\n"); + ret = -EINVAL; + goto end; + } + break; + } + + case FILTER_OP_EQ_DOUBLE: + case FILTER_OP_NE_DOUBLE: + case FILTER_OP_GT_DOUBLE: + case FILTER_OP_LT_DOUBLE: + case FILTER_OP_GE_DOUBLE: + case FILTER_OP_LE_DOUBLE: + { + if (!vstack_ax(stack) || !vstack_bx(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + if (vstack_ax(stack)->type != REG_DOUBLE && vstack_bx(stack)->type != REG_DOUBLE) { + ERR("Double operator should have two double registers\n"); + ret = -EINVAL; + goto end; + } + break; + } + + case FILTER_OP_EQ_DOUBLE_S64: + case FILTER_OP_NE_DOUBLE_S64: + case FILTER_OP_GT_DOUBLE_S64: + case FILTER_OP_LT_DOUBLE_S64: + case FILTER_OP_GE_DOUBLE_S64: + case FILTER_OP_LE_DOUBLE_S64: + { + if (!vstack_ax(stack) || !vstack_bx(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + if (vstack_ax(stack)->type != REG_S64 && vstack_bx(stack)->type != REG_DOUBLE) { + ERR("Double-S64 operator has unexpected register types\n"); + ret = -EINVAL; + goto end; + } + break; + } + + case FILTER_OP_EQ_S64_DOUBLE: + case FILTER_OP_NE_S64_DOUBLE: + case FILTER_OP_GT_S64_DOUBLE: + case FILTER_OP_LT_S64_DOUBLE: + case FILTER_OP_GE_S64_DOUBLE: + case FILTER_OP_LE_S64_DOUBLE: + { + if (!vstack_ax(stack) || !vstack_bx(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + if (vstack_ax(stack)->type != REG_DOUBLE && vstack_bx(stack)->type != REG_S64) { + ERR("S64-Double operator has unexpected register types\n"); + ret = -EINVAL; + goto end; + } + break; + } + + /* unary */ + case FILTER_OP_UNARY_PLUS: + case FILTER_OP_UNARY_MINUS: + case FILTER_OP_UNARY_NOT: + { + if (!vstack_ax(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + switch (vstack_ax(stack)->type) { + default: + ERR("unknown register type\n"); + ret = -EINVAL; + goto end; + + case REG_STRING: + ERR("Unary op can only be applied to numeric or floating point registers\n"); + ret = -EINVAL; + goto end; + case REG_S64: + break; + case REG_DOUBLE: + break; + case REG_UNKNOWN: + break; + } + break; + } + + case FILTER_OP_UNARY_PLUS_S64: + case FILTER_OP_UNARY_MINUS_S64: + case FILTER_OP_UNARY_NOT_S64: + { + if (!vstack_ax(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + if (vstack_ax(stack)->type != REG_S64) { + ERR("Invalid register type\n"); + ret = -EINVAL; + goto end; + } + break; + } + + case FILTER_OP_UNARY_PLUS_DOUBLE: + case FILTER_OP_UNARY_MINUS_DOUBLE: + case FILTER_OP_UNARY_NOT_DOUBLE: + { + if (!vstack_ax(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + if (vstack_ax(stack)->type != REG_DOUBLE) { + ERR("Invalid register type\n"); + ret = -EINVAL; + goto end; + } + break; + } + + /* logical */ + case FILTER_OP_AND: + case FILTER_OP_OR: + { + struct logical_op *insn = (struct logical_op *) pc; + + if (!vstack_ax(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + if (vstack_ax(stack)->type != REG_S64 + && vstack_ax(stack)->type != REG_UNKNOWN) { + ERR("Logical comparator expects S64 or dynamic register\n"); + ret = -EINVAL; + goto end; + } + + dbg_printf("Validate jumping to bytecode offset %u\n", + (unsigned int) insn->skip_offset); + if (unlikely(start_pc + insn->skip_offset <= pc)) { + ERR("Loops are not allowed in bytecode\n"); + ret = -EINVAL; + goto end; + } + break; + } + + /* load field ref */ + case FILTER_OP_LOAD_FIELD_REF: + { + ERR("Unknown field ref type\n"); + ret = -EINVAL; + goto end; + } + case FILTER_OP_LOAD_FIELD_REF_STRING: + case FILTER_OP_LOAD_FIELD_REF_SEQUENCE: + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + + dbg_printf("Validate load field ref offset %u type string\n", + ref->offset); + break; + } + case FILTER_OP_LOAD_FIELD_REF_S64: + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + + dbg_printf("Validate load field ref offset %u type s64\n", + ref->offset); + break; + } + case FILTER_OP_LOAD_FIELD_REF_DOUBLE: + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + + dbg_printf("Validate load field ref offset %u type double\n", + ref->offset); + break; + } + + /* load from immediate operand */ + case FILTER_OP_LOAD_STRING: + { + break; + } + + case FILTER_OP_LOAD_S64: + { + break; + } + + case FILTER_OP_LOAD_DOUBLE: + { + break; + } + + case FILTER_OP_CAST_TO_S64: + case FILTER_OP_CAST_DOUBLE_TO_S64: + { + struct cast_op *insn = (struct cast_op *) pc; + + if (!vstack_ax(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + switch (vstack_ax(stack)->type) { + default: + ERR("unknown register type\n"); + ret = -EINVAL; + goto end; + + case REG_STRING: + ERR("Cast op can only be applied to numeric or floating point registers\n"); + ret = -EINVAL; + goto end; + case REG_S64: + break; + case REG_DOUBLE: + break; + case REG_UNKNOWN: + break; + } + if (insn->op == FILTER_OP_CAST_DOUBLE_TO_S64) { + if (vstack_ax(stack)->type != REG_DOUBLE) { + ERR("Cast expects double\n"); + ret = -EINVAL; + goto end; + } + } + break; + } + case FILTER_OP_CAST_NOP: + { + break; + } + + /* get context ref */ + case FILTER_OP_GET_CONTEXT_REF: + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + + dbg_printf("Validate get context ref offset %u type dynamic\n", + ref->offset); + break; + } + case FILTER_OP_GET_CONTEXT_REF_STRING: + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + + dbg_printf("Validate get context ref offset %u type string\n", + ref->offset); + break; + } + case FILTER_OP_GET_CONTEXT_REF_S64: + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + + dbg_printf("Validate get context ref offset %u type s64\n", + ref->offset); + break; + } + case FILTER_OP_GET_CONTEXT_REF_DOUBLE: + { + struct load_op *insn = (struct load_op *) pc; + struct field_ref *ref = (struct field_ref *) insn->data; + + dbg_printf("Validate get context ref offset %u type double\n", + ref->offset); + break; + } + + } +end: + return ret; +} + +/* + * Return value: + * 0: success + * <0: error + */ +static +int validate_instruction_all_contexts(struct bytecode_runtime *bytecode, + struct cds_lfht *merge_points, + struct vstack *stack, + char *start_pc, + char *pc) +{ + int ret; + unsigned long target_pc = pc - start_pc; + struct cds_lfht_iter iter; + struct cds_lfht_node *node; + struct lfht_mp_node *mp_node; + unsigned long hash; + + /* Validate the context resulting from the previous instruction */ + ret = validate_instruction_context(bytecode, stack, start_pc, pc); + if (ret < 0) + return ret; + + /* Validate merge points */ + hash = lttng_hash_mix((const char *) target_pc, sizeof(target_pc), + lttng_hash_seed); + cds_lfht_lookup(merge_points, hash, lttng_hash_match, + (const char *) target_pc, &iter); + node = cds_lfht_iter_get_node(&iter); + if (node) { + mp_node = caa_container_of(node, struct lfht_mp_node, node); + + dbg_printf("Filter: validate merge point at offset %lu\n", + target_pc); + if (merge_points_compare(stack, &mp_node->stack)) { + ERR("Merge points differ for offset %lu\n", + target_pc); + return -EINVAL; + } + /* Once validated, we can remove the merge point */ + dbg_printf("Filter: remove merge point at offset %lu\n", + target_pc); + ret = cds_lfht_del(merge_points, node); + assert(!ret); + } + return 0; +} + +/* + * Return value: + * >0: going to next insn. + * 0: success, stop iteration. + * <0: error + */ +static +int exec_insn(struct bytecode_runtime *bytecode, + struct cds_lfht *merge_points, + struct vstack *stack, + char **_next_pc, + char *pc) +{ + int ret = 1; + char *next_pc = *_next_pc; + + switch (*(filter_opcode_t *) pc) { + case FILTER_OP_UNKNOWN: + default: + { + ERR("unknown bytecode op %u\n", + (unsigned int) *(filter_opcode_t *) pc); + ret = -EINVAL; + goto end; + } + + case FILTER_OP_RETURN: + { + if (!vstack_ax(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + ret = 0; + goto end; + } + + /* binary */ + case FILTER_OP_MUL: + case FILTER_OP_DIV: + case FILTER_OP_MOD: + case FILTER_OP_PLUS: + case FILTER_OP_MINUS: + case FILTER_OP_RSHIFT: + case FILTER_OP_LSHIFT: + case FILTER_OP_BIN_AND: + case FILTER_OP_BIN_OR: + case FILTER_OP_BIN_XOR: + { + ERR("unsupported bytecode op %u\n", + (unsigned int) *(filter_opcode_t *) pc); + ret = -EINVAL; + goto end; + } + + case FILTER_OP_EQ: + case FILTER_OP_NE: + case FILTER_OP_GT: + case FILTER_OP_LT: + case FILTER_OP_GE: + case FILTER_OP_LE: + case FILTER_OP_EQ_STRING: + case FILTER_OP_NE_STRING: + case FILTER_OP_GT_STRING: + case FILTER_OP_LT_STRING: + case FILTER_OP_GE_STRING: + case FILTER_OP_LE_STRING: + case FILTER_OP_EQ_S64: + case FILTER_OP_NE_S64: + case FILTER_OP_GT_S64: + case FILTER_OP_LT_S64: + case FILTER_OP_GE_S64: + case FILTER_OP_LE_S64: + case FILTER_OP_EQ_DOUBLE: + case FILTER_OP_NE_DOUBLE: + case FILTER_OP_GT_DOUBLE: + case FILTER_OP_LT_DOUBLE: + case FILTER_OP_GE_DOUBLE: + case FILTER_OP_LE_DOUBLE: + case FILTER_OP_EQ_DOUBLE_S64: + case FILTER_OP_NE_DOUBLE_S64: + case FILTER_OP_GT_DOUBLE_S64: + case FILTER_OP_LT_DOUBLE_S64: + case FILTER_OP_GE_DOUBLE_S64: + case FILTER_OP_LE_DOUBLE_S64: + case FILTER_OP_EQ_S64_DOUBLE: + case FILTER_OP_NE_S64_DOUBLE: + case FILTER_OP_GT_S64_DOUBLE: + case FILTER_OP_LT_S64_DOUBLE: + case FILTER_OP_GE_S64_DOUBLE: + case FILTER_OP_LE_S64_DOUBLE: + { + /* Pop 2, push 1 */ + if (vstack_pop(stack)) { + ret = -EINVAL; + goto end; + } + if (!vstack_ax(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct binary_op); + break; + } + + /* unary */ + case FILTER_OP_UNARY_PLUS: + case FILTER_OP_UNARY_MINUS: + { + /* Pop 1, push 1 */ + if (!vstack_ax(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_UNKNOWN; + next_pc += sizeof(struct unary_op); + break; + } + + case FILTER_OP_UNARY_PLUS_S64: + case FILTER_OP_UNARY_MINUS_S64: + case FILTER_OP_UNARY_NOT: + case FILTER_OP_UNARY_NOT_S64: + case FILTER_OP_UNARY_NOT_DOUBLE: + { + /* Pop 1, push 1 */ + if (!vstack_ax(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct unary_op); + break; + } + + case FILTER_OP_UNARY_PLUS_DOUBLE: + case FILTER_OP_UNARY_MINUS_DOUBLE: + { + /* Pop 1, push 1 */ + if (!vstack_ax(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_DOUBLE; + next_pc += sizeof(struct unary_op); + break; + } + + /* logical */ + case FILTER_OP_AND: + case FILTER_OP_OR: + { + struct logical_op *insn = (struct logical_op *) pc; + int merge_ret; + + /* Add merge point to table */ + merge_ret = merge_point_add_check(merge_points, + insn->skip_offset, stack); + if (merge_ret) { + ret = merge_ret; + goto end; + } + /* Continue to next instruction */ + /* Pop 1 when jump not taken */ + if (vstack_pop(stack)) { + ret = -EINVAL; + goto end; + } + next_pc += sizeof(struct logical_op); + break; + } + + /* load field ref */ + case FILTER_OP_LOAD_FIELD_REF: + { + ERR("Unknown field ref type\n"); + ret = -EINVAL; + goto end; + } + /* get context ref */ + case FILTER_OP_GET_CONTEXT_REF: + { + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_UNKNOWN; + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + break; + } + case FILTER_OP_LOAD_FIELD_REF_STRING: + case FILTER_OP_LOAD_FIELD_REF_SEQUENCE: + case FILTER_OP_GET_CONTEXT_REF_STRING: + { + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_STRING; + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + break; + } + case FILTER_OP_LOAD_FIELD_REF_S64: + case FILTER_OP_GET_CONTEXT_REF_S64: + { + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + break; + } + case FILTER_OP_LOAD_FIELD_REF_DOUBLE: + case FILTER_OP_GET_CONTEXT_REF_DOUBLE: + { + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_DOUBLE; + next_pc += sizeof(struct load_op) + sizeof(struct field_ref); + break; + } + + /* load from immediate operand */ + case FILTER_OP_LOAD_STRING: + { + struct load_op *insn = (struct load_op *) pc; + + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_STRING; + next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; + break; + } + + case FILTER_OP_LOAD_S64: + { + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct load_op) + + sizeof(struct literal_numeric); + break; + } + + case FILTER_OP_LOAD_DOUBLE: + { + if (vstack_push(stack)) { + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_DOUBLE; + next_pc += sizeof(struct load_op) + + sizeof(struct literal_double); + break; + } + + case FILTER_OP_CAST_TO_S64: + case FILTER_OP_CAST_DOUBLE_TO_S64: + { + /* Pop 1, push 1 */ + if (!vstack_ax(stack)) { + ERR("Empty stack\n"); + ret = -EINVAL; + goto end; + } + vstack_ax(stack)->type = REG_S64; + next_pc += sizeof(struct cast_op); + break; + } + case FILTER_OP_CAST_NOP: + { + next_pc += sizeof(struct cast_op); + break; + } + + } +end: + *_next_pc = next_pc; + return ret; +} + +/* + * Never called concurrently (hash seed is shared). + */ +int lttng_filter_validate_bytecode(struct bytecode_runtime *bytecode) +{ + struct cds_lfht *merge_points; + char *pc, *next_pc, *start_pc; + int ret = -EINVAL; + struct vstack stack; + + vstack_init(&stack); + + if (!lttng_hash_seed_ready) { + lttng_hash_seed = time(NULL); + lttng_hash_seed_ready = 1; + } + /* + * Note: merge_points hash table used by single thread, and + * never concurrently resized. Therefore, we can use it without + * holding RCU read-side lock and free nodes without using + * call_rcu. + */ + merge_points = cds_lfht_new(DEFAULT_NR_MERGE_POINTS, + MIN_NR_BUCKETS, MAX_NR_BUCKETS, + 0, NULL); + if (!merge_points) { + ERR("Error allocating hash table for bytecode validation\n"); + return -ENOMEM; + } + start_pc = &bytecode->data[0]; + for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; + pc = next_pc) { + ret = bytecode_validate_overflow(bytecode, start_pc, pc); + if (ret != 0) { + if (ret == -ERANGE) + ERR("filter bytecode overflow\n"); + goto end; + } + dbg_printf("Validating op %s (%u)\n", + print_op((unsigned int) *(filter_opcode_t *) pc), + (unsigned int) *(filter_opcode_t *) pc); + + /* + * For each instruction, validate the current context + * (traversal of entire execution flow), and validate + * all merge points targeting this instruction. + */ + ret = validate_instruction_all_contexts(bytecode, merge_points, + &stack, start_pc, pc); + if (ret) + goto end; + ret = exec_insn(bytecode, merge_points, &stack, &next_pc, pc); + if (ret <= 0) + goto end; + } +end: + if (delete_all_nodes(merge_points)) { + if (!ret) { + ERR("Unexpected merge points\n"); + ret = -EINVAL; + } + } + if (cds_lfht_destroy(merge_points, NULL)) { + ERR("Error destroying hash table\n"); + } + return ret; +} diff --git a/liblttng-ust/lttng-filter.c b/liblttng-ust/lttng-filter.c new file mode 100644 index 0000000..ee94a4c --- /dev/null +++ b/liblttng-ust/lttng-filter.c @@ -0,0 +1,496 @@ +/* + * lttng-filter.c + * + * LTTng UST filter code. + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include "lttng-filter.h" + +static const char *opnames[] = { + [ FILTER_OP_UNKNOWN ] = "UNKNOWN", + + [ FILTER_OP_RETURN ] = "RETURN", + + /* binary */ + [ FILTER_OP_MUL ] = "MUL", + [ FILTER_OP_DIV ] = "DIV", + [ FILTER_OP_MOD ] = "MOD", + [ FILTER_OP_PLUS ] = "PLUS", + [ FILTER_OP_MINUS ] = "MINUS", + [ FILTER_OP_RSHIFT ] = "RSHIFT", + [ FILTER_OP_LSHIFT ] = "LSHIFT", + [ FILTER_OP_BIN_AND ] = "BIN_AND", + [ FILTER_OP_BIN_OR ] = "BIN_OR", + [ FILTER_OP_BIN_XOR ] = "BIN_XOR", + + /* binary comparators */ + [ FILTER_OP_EQ ] = "EQ", + [ FILTER_OP_NE ] = "NE", + [ FILTER_OP_GT ] = "GT", + [ FILTER_OP_LT ] = "LT", + [ FILTER_OP_GE ] = "GE", + [ FILTER_OP_LE ] = "LE", + + /* string binary comparators */ + [ FILTER_OP_EQ_STRING ] = "EQ_STRING", + [ FILTER_OP_NE_STRING ] = "NE_STRING", + [ FILTER_OP_GT_STRING ] = "GT_STRING", + [ FILTER_OP_LT_STRING ] = "LT_STRING", + [ FILTER_OP_GE_STRING ] = "GE_STRING", + [ FILTER_OP_LE_STRING ] = "LE_STRING", + + /* s64 binary comparators */ + [ FILTER_OP_EQ_S64 ] = "EQ_S64", + [ FILTER_OP_NE_S64 ] = "NE_S64", + [ FILTER_OP_GT_S64 ] = "GT_S64", + [ FILTER_OP_LT_S64 ] = "LT_S64", + [ FILTER_OP_GE_S64 ] = "GE_S64", + [ FILTER_OP_LE_S64 ] = "LE_S64", + + /* double binary comparators */ + [ FILTER_OP_EQ_DOUBLE ] = "EQ_DOUBLE", + [ FILTER_OP_NE_DOUBLE ] = "NE_DOUBLE", + [ FILTER_OP_GT_DOUBLE ] = "GT_DOUBLE", + [ FILTER_OP_LT_DOUBLE ] = "LT_DOUBLE", + [ FILTER_OP_GE_DOUBLE ] = "GE_DOUBLE", + [ FILTER_OP_LE_DOUBLE ] = "LE_DOUBLE", + + /* Mixed S64-double binary comparators */ + [ FILTER_OP_EQ_DOUBLE_S64 ] = "EQ_DOUBLE_S64", + [ FILTER_OP_NE_DOUBLE_S64 ] = "NE_DOUBLE_S64", + [ FILTER_OP_GT_DOUBLE_S64 ] = "GT_DOUBLE_S64", + [ FILTER_OP_LT_DOUBLE_S64 ] = "LT_DOUBLE_S64", + [ FILTER_OP_GE_DOUBLE_S64 ] = "GE_DOUBLE_S64", + [ FILTER_OP_LE_DOUBLE_S64 ] = "LE_DOUBLE_S64", + + [ FILTER_OP_EQ_S64_DOUBLE ] = "EQ_S64_DOUBLE", + [ FILTER_OP_NE_S64_DOUBLE ] = "NE_S64_DOUBLE", + [ FILTER_OP_GT_S64_DOUBLE ] = "GT_S64_DOUBLE", + [ FILTER_OP_LT_S64_DOUBLE ] = "LT_S64_DOUBLE", + [ FILTER_OP_GE_S64_DOUBLE ] = "GE_S64_DOUBLE", + [ FILTER_OP_LE_S64_DOUBLE ] = "LE_S64_DOUBLE", + + /* unary */ + [ FILTER_OP_UNARY_PLUS ] = "UNARY_PLUS", + [ FILTER_OP_UNARY_MINUS ] = "UNARY_MINUS", + [ FILTER_OP_UNARY_NOT ] = "UNARY_NOT", + [ FILTER_OP_UNARY_PLUS_S64 ] = "UNARY_PLUS_S64", + [ FILTER_OP_UNARY_MINUS_S64 ] = "UNARY_MINUS_S64", + [ FILTER_OP_UNARY_NOT_S64 ] = "UNARY_NOT_S64", + [ FILTER_OP_UNARY_PLUS_DOUBLE ] = "UNARY_PLUS_DOUBLE", + [ FILTER_OP_UNARY_MINUS_DOUBLE ] = "UNARY_MINUS_DOUBLE", + [ FILTER_OP_UNARY_NOT_DOUBLE ] = "UNARY_NOT_DOUBLE", + + /* logical */ + [ FILTER_OP_AND ] = "AND", + [ FILTER_OP_OR ] = "OR", + + /* load field ref */ + [ FILTER_OP_LOAD_FIELD_REF ] = "LOAD_FIELD_REF", + [ FILTER_OP_LOAD_FIELD_REF_STRING ] = "LOAD_FIELD_REF_STRING", + [ FILTER_OP_LOAD_FIELD_REF_SEQUENCE ] = "LOAD_FIELD_REF_SEQUENCE", + [ FILTER_OP_LOAD_FIELD_REF_S64 ] = "LOAD_FIELD_REF_S64", + [ FILTER_OP_LOAD_FIELD_REF_DOUBLE ] = "LOAD_FIELD_REF_DOUBLE", + + /* load from immediate operand */ + [ FILTER_OP_LOAD_STRING ] = "LOAD_STRING", + [ FILTER_OP_LOAD_S64 ] = "LOAD_S64", + [ FILTER_OP_LOAD_DOUBLE ] = "LOAD_DOUBLE", + + /* cast */ + [ FILTER_OP_CAST_TO_S64 ] = "CAST_TO_S64", + [ FILTER_OP_CAST_DOUBLE_TO_S64 ] = "CAST_DOUBLE_TO_S64", + [ FILTER_OP_CAST_NOP ] = "CAST_NOP", + + /* get context ref */ + [ FILTER_OP_GET_CONTEXT_REF ] = "GET_CONTEXT_REF", + [ FILTER_OP_GET_CONTEXT_REF_STRING ] = "GET_CONTEXT_REF_STRING", + [ FILTER_OP_GET_CONTEXT_REF_S64 ] = "GET_CONTEXT_REF_S64", + [ FILTER_OP_GET_CONTEXT_REF_DOUBLE ] = "GET_CONTEXT_REF_DOUBLE", +}; + +const char *print_op(enum filter_op op) +{ + if (op >= NR_FILTER_OPS) + return "UNKNOWN"; + else + return opnames[op]; +} + +static +int apply_field_reloc(struct lttng_event *event, + struct bytecode_runtime *runtime, + uint32_t runtime_len, + uint32_t reloc_offset, + const char *field_name) +{ + const struct lttng_event_desc *desc; + const struct lttng_event_field *fields, *field = NULL; + unsigned int nr_fields, i; + struct field_ref *field_ref; + struct load_op *op; + uint32_t field_offset = 0; + + dbg_printf("Apply field reloc: %u %s\n", reloc_offset, field_name); + + /* Lookup event by name */ + desc = event->desc; + if (!desc) + return -EINVAL; + fields = desc->fields; + if (!fields) + return -EINVAL; + nr_fields = desc->nr_fields; + for (i = 0; i < nr_fields; i++) { + if (!strcmp(fields[i].name, field_name)) { + field = &fields[i]; + break; + } + /* compute field offset */ + switch (fields[i].type.atype) { + case atype_integer: + case atype_enum: + field_offset += sizeof(int64_t); + break; + case atype_array: + case atype_sequence: + field_offset += sizeof(unsigned long); + field_offset += sizeof(void *); + break; + case atype_string: + field_offset += sizeof(void *); + break; + case atype_float: + field_offset += sizeof(double); + break; + default: + return -EINVAL; + } + } + if (!field) + return -EINVAL; + + /* Check if field offset is too large for 16-bit offset */ + if (field_offset > FILTER_BYTECODE_MAX_LEN - 1) + return -EINVAL; + + /* set type */ + op = (struct load_op *) &runtime->data[reloc_offset]; + field_ref = (struct field_ref *) op->data; + switch (field->type.atype) { + case atype_integer: + case atype_enum: + op->op = FILTER_OP_LOAD_FIELD_REF_S64; + break; + case atype_array: + case atype_sequence: + op->op = FILTER_OP_LOAD_FIELD_REF_SEQUENCE; + break; + case atype_string: + op->op = FILTER_OP_LOAD_FIELD_REF_STRING; + break; + case atype_float: + op->op = FILTER_OP_LOAD_FIELD_REF_DOUBLE; + break; + default: + return -EINVAL; + } + /* set offset */ + field_ref->offset = (uint16_t) field_offset; + return 0; +} + +static +int apply_context_reloc(struct lttng_event *event, + struct bytecode_runtime *runtime, + uint32_t runtime_len, + uint32_t reloc_offset, + const char *context_name) +{ + struct field_ref *field_ref; + struct load_op *op; + struct lttng_ctx_field *ctx_field; + int idx; + struct lttng_session *session = runtime->p.session; + + dbg_printf("Apply context reloc: %u %s\n", reloc_offset, context_name); + + /* Get context index */ + idx = lttng_get_context_index(session->ctx, context_name); + if (idx < 0) { + if (lttng_context_is_app(context_name)) { + int ret; + + ret = lttng_ust_add_app_context_to_ctx_rcu(context_name, + &session->ctx); + if (ret) + return ret; + idx = lttng_get_context_index(session->ctx, + context_name); + if (idx < 0) + return -ENOENT; + } else { + return -ENOENT; + } + } + /* Check if idx is too large for 16-bit offset */ + if (idx > FILTER_BYTECODE_MAX_LEN - 1) + return -EINVAL; + + /* Get context return type */ + ctx_field = &session->ctx->fields[idx]; + op = (struct load_op *) &runtime->data[reloc_offset]; + field_ref = (struct field_ref *) op->data; + switch (ctx_field->event_field.type.atype) { + case atype_integer: + case atype_enum: + op->op = FILTER_OP_GET_CONTEXT_REF_S64; + break; + /* Sequence and array supported as string */ + case atype_string: + case atype_array: + case atype_sequence: + op->op = FILTER_OP_GET_CONTEXT_REF_STRING; + break; + case atype_float: + op->op = FILTER_OP_GET_CONTEXT_REF_DOUBLE; + break; + case atype_dynamic: + op->op = FILTER_OP_GET_CONTEXT_REF; + break; + default: + return -EINVAL; + } + /* set offset to context index within channel contexts */ + field_ref->offset = (uint16_t) idx; + return 0; +} + +static +int apply_reloc(struct lttng_event *event, + struct bytecode_runtime *runtime, + uint32_t runtime_len, + uint32_t reloc_offset, + const char *name) +{ + struct load_op *op; + + dbg_printf("Apply reloc: %u %s\n", reloc_offset, name); + + /* Ensure that the reloc is within the code */ + if (runtime_len - reloc_offset < sizeof(uint16_t)) + return -EINVAL; + + op = (struct load_op *) &runtime->data[reloc_offset]; + switch (op->op) { + case FILTER_OP_LOAD_FIELD_REF: + return apply_field_reloc(event, runtime, runtime_len, + reloc_offset, name); + case FILTER_OP_GET_CONTEXT_REF: + return apply_context_reloc(event, runtime, runtime_len, + reloc_offset, name); + default: + ERR("Unknown reloc op type %u\n", op->op); + return -EINVAL; + } + return 0; +} + +static +int bytecode_is_linked(struct lttng_ust_filter_bytecode_node *filter_bytecode, + struct lttng_event *event) +{ + struct lttng_bytecode_runtime *bc_runtime; + + cds_list_for_each_entry(bc_runtime, + &event->bytecode_runtime_head, node) { + if (bc_runtime->bc == filter_bytecode) + return 1; + } + return 0; +} + +/* + * Take a bytecode with reloc table and link it to an event to create a + * bytecode runtime. + */ +static +int _lttng_filter_event_link_bytecode(struct lttng_event *event, + struct lttng_ust_filter_bytecode_node *filter_bytecode, + struct cds_list_head *insert_loc) +{ + int ret, offset, next_offset; + struct bytecode_runtime *runtime = NULL; + size_t runtime_alloc_len; + + if (!filter_bytecode) + return 0; + /* Bytecode already linked */ + if (bytecode_is_linked(filter_bytecode, event)) + return 0; + + dbg_printf("Linking...\n"); + + /* We don't need the reloc table in the runtime */ + runtime_alloc_len = sizeof(*runtime) + filter_bytecode->bc.reloc_offset; + runtime = zmalloc(runtime_alloc_len); + if (!runtime) { + ret = -ENOMEM; + goto alloc_error; + } + runtime->p.bc = filter_bytecode; + runtime->p.session = event->chan->session; + runtime->len = filter_bytecode->bc.reloc_offset; + /* copy original bytecode */ + memcpy(runtime->data, filter_bytecode->bc.data, runtime->len); + /* + * apply relocs. Those are a uint16_t (offset in bytecode) + * followed by a string (field name). + */ + for (offset = filter_bytecode->bc.reloc_offset; + offset < filter_bytecode->bc.len; + offset = next_offset) { + uint16_t reloc_offset = + *(uint16_t *) &filter_bytecode->bc.data[offset]; + const char *name = + (const char *) &filter_bytecode->bc.data[offset + sizeof(uint16_t)]; + + ret = apply_reloc(event, runtime, runtime->len, reloc_offset, name); + if (ret) { + goto link_error; + } + next_offset = offset + sizeof(uint16_t) + strlen(name) + 1; + } + /* Validate bytecode */ + ret = lttng_filter_validate_bytecode(runtime); + if (ret) { + goto link_error; + } + /* Specialize bytecode */ + ret = lttng_filter_specialize_bytecode(runtime); + if (ret) { + goto link_error; + } + runtime->p.filter = lttng_filter_interpret_bytecode; + runtime->p.link_failed = 0; + cds_list_add_rcu(&runtime->p.node, insert_loc); + dbg_printf("Linking successful.\n"); + return 0; + +link_error: + runtime->p.filter = lttng_filter_false; + runtime->p.link_failed = 1; + cds_list_add_rcu(&runtime->p.node, insert_loc); +alloc_error: + dbg_printf("Linking failed.\n"); + return ret; +} + +void lttng_filter_sync_state(struct lttng_bytecode_runtime *runtime) +{ + struct lttng_ust_filter_bytecode_node *bc = runtime->bc; + + if (!bc->enabler->enabled || runtime->link_failed) + runtime->filter = lttng_filter_false; + else + runtime->filter = lttng_filter_interpret_bytecode; +} + +/* + * Link bytecode for all enablers referenced by an event. + */ +void lttng_enabler_event_link_bytecode(struct lttng_event *event, + struct lttng_enabler *enabler) +{ + struct lttng_ust_filter_bytecode_node *bc; + struct lttng_bytecode_runtime *runtime; + + /* Can only be called for events with desc attached */ + assert(event->desc); + + /* Link each bytecode. */ + cds_list_for_each_entry(bc, &enabler->filter_bytecode_head, node) { + int found = 0, ret; + struct cds_list_head *insert_loc; + + cds_list_for_each_entry(runtime, + &event->bytecode_runtime_head, node) { + if (runtime->bc == bc) { + found = 1; + break; + } + } + /* Skip bytecode already linked */ + if (found) + continue; + + /* + * Insert at specified priority (seqnum) in increasing + * order. + */ + cds_list_for_each_entry_reverse(runtime, + &event->bytecode_runtime_head, node) { + if (runtime->bc->bc.seqnum < bc->bc.seqnum) { + /* insert here */ + insert_loc = &runtime->node; + goto add_within; + } + } + /* Add to head to list */ + insert_loc = &event->bytecode_runtime_head; + add_within: + dbg_printf("linking bytecode\n"); + ret = _lttng_filter_event_link_bytecode(event, bc, + insert_loc); + if (ret) { + dbg_printf("[lttng filter] warning: cannot link event bytecode\n"); + } + } +} + +/* + * We own the filter_bytecode if we return success. + */ +int lttng_filter_enabler_attach_bytecode(struct lttng_enabler *enabler, + struct lttng_ust_filter_bytecode_node *filter_bytecode) +{ + cds_list_add(&filter_bytecode->node, &enabler->filter_bytecode_head); + return 0; +} + +void lttng_free_enabler_filter_bytecode(struct lttng_enabler *enabler) +{ + struct lttng_ust_filter_bytecode_node *filter_bytecode, *tmp; + + cds_list_for_each_entry_safe(filter_bytecode, tmp, + &enabler->filter_bytecode_head, node) { + free(filter_bytecode); + } +} + +void lttng_free_event_filter_runtime(struct lttng_event *event) +{ + struct bytecode_runtime *runtime, *tmp; + + cds_list_for_each_entry_safe(runtime, tmp, + &event->bytecode_runtime_head, p.node) { + free(runtime); + } +} diff --git a/liblttng-ust/lttng-filter.h b/liblttng-ust/lttng-filter.h new file mode 100644 index 0000000..23ccff2 --- /dev/null +++ b/liblttng-ust/lttng-filter.h @@ -0,0 +1,216 @@ +#ifndef _LTTNG_FILTER_H +#define _LTTNG_FILTER_H + +/* + * lttng-filter.h + * + * LTTng UST filter header. + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "filter-bytecode.h" + +/* Filter stack length, in number of entries */ +#define FILTER_STACK_LEN 10 /* includes 2 dummy */ +#define FILTER_STACK_EMPTY 1 + +#ifndef min_t +#define min_t(type, a, b) \ + ((type) (a) < (type) (b) ? (type) (a) : (type) (b)) +#endif + +#ifndef likely +#define likely(x) __builtin_expect(!!(x), 1) +#endif + +#ifndef unlikely +#define unlikely(x) __builtin_expect(!!(x), 0) +#endif + +#ifdef DEBUG +#define dbg_printf(fmt, args...) \ + printf("[debug bytecode in %s:%s@%u] " fmt, \ + __FILE__, __func__, __LINE__, ## args) +#else +#define dbg_printf(fmt, args...) \ +do { \ + /* do nothing but check printf format */ \ + if (0) \ + printf("[debug bytecode in %s:%s@%u] " fmt, \ + __FILE__, __func__, __LINE__, ## args); \ +} while (0) +#endif + +/* Linked bytecode. Child of struct lttng_bytecode_runtime. */ +struct bytecode_runtime { + struct lttng_bytecode_runtime p; + uint16_t len; + char data[0]; +}; + +enum entry_type { + REG_S64, + REG_DOUBLE, + REG_STRING, + REG_UNKNOWN, +}; + +/* Validation stack */ +struct vstack_entry { + enum entry_type type; +}; + +struct vstack { + int top; /* top of stack */ + struct vstack_entry e[FILTER_STACK_LEN]; +}; + +static inline +void vstack_init(struct vstack *stack) +{ + stack->top = -1; +} + +static inline +struct vstack_entry *vstack_ax(struct vstack *stack) +{ + if (unlikely(stack->top < 0)) + return NULL; + return &stack->e[stack->top]; +} + +static inline +struct vstack_entry *vstack_bx(struct vstack *stack) +{ + if (unlikely(stack->top < 1)) + return NULL; + return &stack->e[stack->top - 1]; +} + +static inline +int vstack_push(struct vstack *stack) +{ + if (stack->top >= FILTER_STACK_LEN - 1) { + ERR("Stack full\n"); + return -EINVAL; + } + ++stack->top; + return 0; +} + +static inline +int vstack_pop(struct vstack *stack) +{ + if (unlikely(stack->top < 0)) { + ERR("Stack empty\n"); + return -EINVAL; + } + stack->top--; + return 0; +} + +/* Execution stack */ +struct estack_entry { + enum entry_type type; /* For dynamic typing. */ + union { + int64_t v; + double d; + + struct { + const char *str; + size_t seq_len; + int literal; /* is string literal ? */ + } s; + } u; +}; + +struct estack { + int top; /* top of stack */ + struct estack_entry e[FILTER_STACK_LEN]; +}; + +/* + * Always use aliased type for ax/bx (top of stack). + * When ax/bx are S64, use aliased value. + */ +#define estack_ax_v ax +#define estack_bx_v bx +#define estack_ax_t ax_t +#define estack_bx_t bx_t + +/* + * ax and bx registers can hold either integer, double or string. + */ +#define estack_ax(stack, top) \ + ({ \ + assert((top) > FILTER_STACK_EMPTY); \ + &(stack)->e[top]; \ + }) + +#define estack_bx(stack, top) \ + ({ \ + assert((top) > FILTER_STACK_EMPTY + 1); \ + &(stack)->e[(top) - 1]; \ + }) + +/* + * Currently, only integers (REG_S64) can be pushed into the stack. + */ +#define estack_push(stack, top, ax, bx, ax_t, bx_t) \ + do { \ + assert((top) < FILTER_STACK_LEN - 1); \ + (stack)->e[(top) - 1].u.v = (bx); \ + (stack)->e[(top) - 1].type = (bx_t); \ + (bx) = (ax); \ + (bx_t) = (ax_t); \ + ++(top); \ + } while (0) + +#define estack_pop(stack, top, ax, bx, ax_t, bx_t) \ + do { \ + assert((top) > FILTER_STACK_EMPTY); \ + (ax) = (bx); \ + (ax_t) = (bx_t); \ + (bx) = (stack)->e[(top) - 2].u.v; \ + (bx_t) = (stack)->e[(top) - 2].type; \ + (top)--; \ + } while (0) + +const char *print_op(enum filter_op op); + +int lttng_filter_validate_bytecode(struct bytecode_runtime *bytecode); +int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode); + +uint64_t lttng_filter_false(void *filter_data, + const char *filter_stack_data); +uint64_t lttng_filter_interpret_bytecode(void *filter_data, + const char *filter_stack_data); + +#endif /* _LTTNG_FILTER_H */ diff --git a/liblttng-ust/lttng-getcpu.c b/liblttng-ust/lttng-getcpu.c new file mode 100644 index 0000000..751affa --- /dev/null +++ b/liblttng-ust/lttng-getcpu.c @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2014 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include + +#include "getenv.h" +#include "../libringbuffer/getcpu.h" + +int (*lttng_get_cpu)(void); + +static +void *getcpu_handle; + +int lttng_ust_getcpu_override(int (*getcpu)(void)) +{ + CMM_STORE_SHARED(lttng_get_cpu, getcpu); + return 0; +} + +void lttng_ust_getcpu_init(void) +{ + const char *libname; + void (*libinit)(void); + + if (getcpu_handle) + return; + libname = lttng_secure_getenv("LTTNG_UST_GETCPU_PLUGIN"); + if (!libname) + return; + getcpu_handle = dlopen(libname, RTLD_NOW); + if (!getcpu_handle) { + PERROR("Cannot load LTTng UST getcpu override library %s", + libname); + return; + } + dlerror(); + libinit = (void (*)(void)) dlsym(getcpu_handle, + "lttng_ust_getcpu_plugin_init"); + if (!libinit) { + PERROR("Cannot find LTTng UST getcpu override library %s initialization function lttng_ust_getcpu_plugin_init()", + libname); + return; + } + libinit(); +} diff --git a/liblttng-ust/lttng-hash-helper.h b/liblttng-ust/lttng-hash-helper.h new file mode 100644 index 0000000..bddc7c4 --- /dev/null +++ b/liblttng-ust/lttng-hash-helper.h @@ -0,0 +1,160 @@ +#ifndef _LTTNG_HASH_HELPER_H +#define _LTTNG_HASH_HELPER_H + +/* + * lttng-hash-helper.h + * + * LTTng hash table helpers. + * + * Copyright (C) 2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include + +/* + * Hash function + * Source: http://burtleburtle.net/bob/c/lookup3.c + * Originally Public Domain + */ + +#define rot(x, k) (((x) << (k)) | ((x) >> (32 - (k)))) + +#define mix(a, b, c) \ +do { \ + a -= c; a ^= rot(c, 4); c += b; \ + b -= a; b ^= rot(a, 6); a += c; \ + c -= b; c ^= rot(b, 8); b += a; \ + a -= c; a ^= rot(c, 16); c += b; \ + b -= a; b ^= rot(a, 19); a += c; \ + c -= b; c ^= rot(b, 4); b += a; \ +} while (0) + +#define final(a, b, c) \ +{ \ + c ^= b; c -= rot(b, 14); \ + a ^= c; a -= rot(c, 11); \ + b ^= a; b -= rot(a, 25); \ + c ^= b; c -= rot(b, 16); \ + a ^= c; a -= rot(c, 4);\ + b ^= a; b -= rot(a, 14); \ + c ^= b; c -= rot(b, 24); \ +} + +static inline __attribute__((unused)) +uint32_t lttng_hash_u32( + const uint32_t *k, /* the key, an array of uint32_t values */ + size_t length, /* the length of the key, in uint32_ts */ + uint32_t initval) /* the previous hash, or an arbitrary value */ +{ + uint32_t a, b, c; + + /* Set up the internal state */ + a = b = c = 0xdeadbeef + (((uint32_t) length) << 2) + initval; + + /*----------------------------------------- handle most of the key */ + while (length > 3) { + a += k[0]; + b += k[1]; + c += k[2]; + mix(a, b, c); + length -= 3; + k += 3; + } + + /*----------------------------------- handle the last 3 uint32_t's */ + switch (length) { /* all the case statements fall through */ + case 3: c += k[2]; + case 2: b += k[1]; + case 1: a += k[0]; + final(a, b, c); + case 0: /* case 0: nothing left to add */ + break; + } + /*---------------------------------------------- report the result */ + return c; +} + +static inline +void lttng_hashword2( + const uint32_t *k, /* the key, an array of uint32_t values */ + size_t length, /* the length of the key, in uint32_ts */ + uint32_t *pc, /* IN: seed OUT: primary hash value */ + uint32_t *pb) /* IN: more seed OUT: secondary hash value */ +{ + uint32_t a, b, c; + + /* Set up the internal state */ + a = b = c = 0xdeadbeef + ((uint32_t) (length << 2)) + *pc; + c += *pb; + + /*----------------------------------------- handle most of the key */ + while (length > 3) { + a += k[0]; + b += k[1]; + c += k[2]; + mix(a, b, c); + length -= 3; + k += 3; + } + + /*----------------------------------- handle the last 3 uint32_t's */ + switch (length) { /* all the case statements fall through */ + case 3: c += k[2]; + case 2: b += k[1]; + case 1: a += k[0]; + final(a, b, c); + case 0: /* case 0: nothing left to add */ + break; + } + /*---------------------------------------------- report the result */ + *pc = c; + *pb = b; +} + +#if (CAA_BITS_PER_LONG == 32) +static inline +unsigned long lttng_hash_mix(const void *_key, size_t length, unsigned long seed) +{ + unsigned int key = (unsigned int) _key; + + assert(length == sizeof(unsigned int)); + return lttng_hash_u32(&key, 1, seed); +} +#else +static inline +unsigned long lttng_hash_mix(const void *_key, size_t length, unsigned long seed) +{ + union { + uint64_t v64; + uint32_t v32[2]; + } v; + union { + uint64_t v64; + uint32_t v32[2]; + } key; + + assert(length == sizeof(unsigned long)); + v.v64 = (uint64_t) seed; + key.v64 = (uint64_t) _key; + lttng_hashword2(key.v32, 2, &v.v32[0], &v.v32[1]); + return v.v64; +} +#endif + +#endif /* _LTTNG_HASH_HELPER_H */ diff --git a/liblttng-ust/lttng-probes.c b/liblttng-ust/lttng-probes.c new file mode 100644 index 0000000..bba5cd3 --- /dev/null +++ b/liblttng-ust/lttng-probes.c @@ -0,0 +1,463 @@ +/* + * lttng-probes.c + * + * Holds LTTng probes registry. + * + * Copyright 2010-2012 (c) - Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include "tracepoint-internal.h" +#include +#include +#include + +#include "lttng-tracer-core.h" +#include "jhash.h" +#include "error.h" + +/* + * probe list is protected by ust_lock()/ust_unlock(). + */ +static CDS_LIST_HEAD(_probe_list); + +/* + * List of probes registered by not yet processed. + */ +static CDS_LIST_HEAD(lazy_probe_init); + +/* + * lazy_nesting counter ensures we don't trigger lazy probe registration + * fixup while we are performing the fixup. It is protected by the ust + * mutex. + */ +static int lazy_nesting; + +/* + * Called under ust lock. + */ +static +int check_event_provider(struct lttng_probe_desc *desc) +{ + int i; + size_t provider_name_len; + + provider_name_len = strnlen(desc->provider, + LTTNG_UST_SYM_NAME_LEN - 1); + for (i = 0; i < desc->nr_events; i++) { + if (strncmp(desc->event_desc[i]->name, + desc->provider, + provider_name_len)) + return 0; /* provider mismatch */ + } + return 1; +} + +/* + * Called under ust lock. + */ +static +void lttng_lazy_probe_register(struct lttng_probe_desc *desc) +{ + struct lttng_probe_desc *iter; + struct cds_list_head *probe_list; + + /* + * Each provider enforce that every event name begins with the + * provider name. Check this in an assertion for extra + * carefulness. This ensures we cannot have duplicate event + * names across providers. + */ + assert(check_event_provider(desc)); + + /* + * The provider ensures there are no duplicate event names. + * Duplicated TRACEPOINT_EVENT event names would generate a + * compile-time error due to duplicated symbol names. + */ + + /* + * We sort the providers by struct lttng_probe_desc pointer + * address. + */ + probe_list = &_probe_list; + cds_list_for_each_entry_reverse(iter, probe_list, head) { + BUG_ON(iter == desc); /* Should never be in the list twice */ + if (iter < desc) { + /* We belong to the location right after iter. */ + cds_list_add(&desc->head, &iter->head); + goto desc_added; + } + } + /* We should be added at the head of the list */ + cds_list_add(&desc->head, probe_list); +desc_added: + DBG("just registered probe %s containing %u events", + desc->provider, desc->nr_events); +} + +/* + * Called under ust lock. + */ +static +void fixup_lazy_probes(void) +{ + struct lttng_probe_desc *iter, *tmp; + int ret; + + lazy_nesting++; + cds_list_for_each_entry_safe(iter, tmp, + &lazy_probe_init, lazy_init_head) { + lttng_lazy_probe_register(iter); + iter->lazy = 0; + cds_list_del(&iter->lazy_init_head); + } + ret = lttng_fix_pending_events(); + assert(!ret); + lazy_nesting--; +} + +/* + * Called under ust lock. + */ +struct cds_list_head *lttng_get_probe_list_head(void) +{ + if (!lazy_nesting && !cds_list_empty(&lazy_probe_init)) + fixup_lazy_probes(); + return &_probe_list; +} + +static +const struct lttng_probe_desc *find_provider(const char *provider) +{ + struct lttng_probe_desc *iter; + struct cds_list_head *probe_list; + + probe_list = lttng_get_probe_list_head(); + cds_list_for_each_entry(iter, probe_list, head) { + if (!strcmp(iter->provider, provider)) + return iter; + } + return NULL; +} + +static +int check_provider_version(struct lttng_probe_desc *desc) +{ + /* + * Check tracepoint provider version compatibility. + */ + if (desc->major <= LTTNG_UST_PROVIDER_MAJOR) { + DBG("Provider \"%s\" accepted, version %u.%u is compatible " + "with LTTng UST provider version %u.%u.", + desc->provider, desc->major, desc->minor, + LTTNG_UST_PROVIDER_MAJOR, + LTTNG_UST_PROVIDER_MINOR); + if (desc->major < LTTNG_UST_PROVIDER_MAJOR) { + DBG("However, some LTTng UST features might not be " + "available for this provider unless it is " + "recompiled against a more recent LTTng UST."); + } + return 1; /* accept */ + } else { + ERR("Provider \"%s\" rejected, version %u.%u is incompatible " + "with LTTng UST provider version %u.%u. Please upgrade " + "LTTng UST.", + desc->provider, desc->major, desc->minor, + LTTNG_UST_PROVIDER_MAJOR, + LTTNG_UST_PROVIDER_MINOR); + return 0; /* reject */ + } +} + + +int lttng_probe_register(struct lttng_probe_desc *desc) +{ + int ret = 0; + + /* + * If version mismatch, don't register, but don't trigger assert + * on caller. The version check just prints an error. + */ + if (!check_provider_version(desc)) + return 0; + + ust_lock_nocheck(); + + /* + * Check if the provider has already been registered. + */ + if (find_provider(desc->provider)) { + ret = -EEXIST; + goto end; + } + cds_list_add(&desc->lazy_init_head, &lazy_probe_init); + desc->lazy = 1; + DBG("adding probe %s containing %u events to lazy registration list", + desc->provider, desc->nr_events); + /* + * If there is at least one active session, we need to register + * the probe immediately, since we cannot delay event + * registration because they are needed ASAP. + */ + if (lttng_session_active()) + fixup_lazy_probes(); +end: + ust_unlock(); + return ret; +} + +/* Backward compatibility with UST 2.0 */ +int ltt_probe_register(struct lttng_probe_desc *desc) +{ + return lttng_probe_register(desc); +} + +void lttng_probe_unregister(struct lttng_probe_desc *desc) +{ + if (!check_provider_version(desc)) + return; + + ust_lock_nocheck(); + if (!desc->lazy) + cds_list_del(&desc->head); + else + cds_list_del(&desc->lazy_init_head); + DBG("just unregistered probe %s", desc->provider); + ust_unlock(); +} + +/* Backward compatibility with UST 2.0 */ +void ltt_probe_unregister(struct lttng_probe_desc *desc) +{ + lttng_probe_unregister(desc); +} + +void lttng_probes_prune_event_list(struct lttng_ust_tracepoint_list *list) +{ + struct tp_list_entry *list_entry, *tmp; + + cds_list_for_each_entry_safe(list_entry, tmp, &list->head, head) { + cds_list_del(&list_entry->head); + free(list_entry); + } +} + +/* + * called with UST lock held. + */ +int lttng_probes_get_event_list(struct lttng_ust_tracepoint_list *list) +{ + struct lttng_probe_desc *probe_desc; + int i; + struct cds_list_head *probe_list; + + probe_list = lttng_get_probe_list_head(); + CDS_INIT_LIST_HEAD(&list->head); + cds_list_for_each_entry(probe_desc, probe_list, head) { + for (i = 0; i < probe_desc->nr_events; i++) { + struct tp_list_entry *list_entry; + + list_entry = zmalloc(sizeof(*list_entry)); + if (!list_entry) + goto err_nomem; + cds_list_add(&list_entry->head, &list->head); + strncpy(list_entry->tp.name, + probe_desc->event_desc[i]->name, + LTTNG_UST_SYM_NAME_LEN); + list_entry->tp.name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + if (!probe_desc->event_desc[i]->loglevel) { + list_entry->tp.loglevel = TRACE_DEFAULT; + } else { + list_entry->tp.loglevel = *(*probe_desc->event_desc[i]->loglevel); + } + } + } + if (cds_list_empty(&list->head)) + list->iter = NULL; + else + list->iter = + cds_list_first_entry(&list->head, struct tp_list_entry, head); + return 0; + +err_nomem: + lttng_probes_prune_event_list(list); + return -ENOMEM; +} + +/* + * Return current iteration position, advance internal iterator to next. + * Return NULL if end of list. + */ +struct lttng_ust_tracepoint_iter * + lttng_ust_tracepoint_list_get_iter_next(struct lttng_ust_tracepoint_list *list) +{ + struct tp_list_entry *entry; + + if (!list->iter) + return NULL; + entry = list->iter; + if (entry->head.next == &list->head) + list->iter = NULL; + else + list->iter = cds_list_entry(entry->head.next, + struct tp_list_entry, head); + return &entry->tp; +} + +void lttng_probes_prune_field_list(struct lttng_ust_field_list *list) +{ + struct tp_field_list_entry *list_entry, *tmp; + + cds_list_for_each_entry_safe(list_entry, tmp, &list->head, head) { + cds_list_del(&list_entry->head); + free(list_entry); + } +} + +/* + * called with UST lock held. + */ +int lttng_probes_get_field_list(struct lttng_ust_field_list *list) +{ + struct lttng_probe_desc *probe_desc; + int i; + struct cds_list_head *probe_list; + + probe_list = lttng_get_probe_list_head(); + CDS_INIT_LIST_HEAD(&list->head); + cds_list_for_each_entry(probe_desc, probe_list, head) { + for (i = 0; i < probe_desc->nr_events; i++) { + const struct lttng_event_desc *event_desc = + probe_desc->event_desc[i]; + int j; + + if (event_desc->nr_fields == 0) { + /* Events without fields. */ + struct tp_field_list_entry *list_entry; + + list_entry = zmalloc(sizeof(*list_entry)); + if (!list_entry) + goto err_nomem; + cds_list_add(&list_entry->head, &list->head); + strncpy(list_entry->field.event_name, + event_desc->name, + LTTNG_UST_SYM_NAME_LEN); + list_entry->field.event_name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + list_entry->field.field_name[0] = '\0'; + list_entry->field.type = LTTNG_UST_FIELD_OTHER; + if (!event_desc->loglevel) { + list_entry->field.loglevel = TRACE_DEFAULT; + } else { + list_entry->field.loglevel = *(*event_desc->loglevel); + } + list_entry->field.nowrite = 1; + } + + for (j = 0; j < event_desc->nr_fields; j++) { + const struct lttng_event_field *event_field = + &event_desc->fields[j]; + struct tp_field_list_entry *list_entry; + + list_entry = zmalloc(sizeof(*list_entry)); + if (!list_entry) + goto err_nomem; + cds_list_add(&list_entry->head, &list->head); + strncpy(list_entry->field.event_name, + event_desc->name, + LTTNG_UST_SYM_NAME_LEN); + list_entry->field.event_name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + strncpy(list_entry->field.field_name, + event_field->name, + LTTNG_UST_SYM_NAME_LEN); + list_entry->field.field_name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + switch (event_field->type.atype) { + case atype_integer: + list_entry->field.type = LTTNG_UST_FIELD_INTEGER; + break; + case atype_string: + list_entry->field.type = LTTNG_UST_FIELD_STRING; + break; + case atype_array: + if (event_field->type.u.array.elem_type.atype != atype_integer + || event_field->type.u.array.elem_type.u.basic.integer.encoding == lttng_encode_none) + list_entry->field.type = LTTNG_UST_FIELD_OTHER; + else + list_entry->field.type = LTTNG_UST_FIELD_STRING; + break; + case atype_sequence: + if (event_field->type.u.sequence.elem_type.atype != atype_integer + || event_field->type.u.sequence.elem_type.u.basic.integer.encoding == lttng_encode_none) + list_entry->field.type = LTTNG_UST_FIELD_OTHER; + else + list_entry->field.type = LTTNG_UST_FIELD_STRING; + break; + case atype_float: + list_entry->field.type = LTTNG_UST_FIELD_FLOAT; + break; + case atype_enum: + list_entry->field.type = LTTNG_UST_FIELD_ENUM; + break; + default: + list_entry->field.type = LTTNG_UST_FIELD_OTHER; + } + if (!event_desc->loglevel) { + list_entry->field.loglevel = TRACE_DEFAULT; + } else { + list_entry->field.loglevel = *(*event_desc->loglevel); + } + list_entry->field.nowrite = event_field->nowrite; + } + } + } + if (cds_list_empty(&list->head)) + list->iter = NULL; + else + list->iter = + cds_list_first_entry(&list->head, + struct tp_field_list_entry, head); + return 0; + +err_nomem: + lttng_probes_prune_field_list(list); + return -ENOMEM; +} + +/* + * Return current iteration position, advance internal iterator to next. + * Return NULL if end of list. + */ +struct lttng_ust_field_iter * + lttng_ust_field_list_get_iter_next(struct lttng_ust_field_list *list) +{ + struct tp_field_list_entry *entry; + + if (!list->iter) + return NULL; + entry = list->iter; + if (entry->head.next == &list->head) + list->iter = NULL; + else + list->iter = cds_list_entry(entry->head.next, + struct tp_field_list_entry, head); + return &entry->field; +} diff --git a/liblttng-ust/lttng-rb-clients.h b/liblttng-ust/lttng-rb-clients.h new file mode 100644 index 0000000..e54decb --- /dev/null +++ b/liblttng-ust/lttng-rb-clients.h @@ -0,0 +1,52 @@ +#ifndef _LTTNG_RB_CLIENT_H +#define _LTTNG_RB_CLIENT_H + +/* + * Copyright (c) 2013 - Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +struct lttng_ust_client_lib_ring_buffer_client_cb { + struct lttng_ust_lib_ring_buffer_client_cb parent; + + int (*timestamp_begin) (struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *timestamp_begin); + int (*timestamp_end) (struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *timestamp_end); + int (*events_discarded) (struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *events_discarded); + int (*content_size) (struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *content_size); + int (*packet_size) (struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *packet_size); + int (*stream_id) (struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *stream_id); + int (*current_timestamp) (struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *ts); + int (*sequence_number) (struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, uint64_t *seq); + int (*instance_id) (struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, uint64_t *id); +}; + +#endif /* _LTTNG_RB_CLIENT_H */ diff --git a/liblttng-ust/lttng-ring-buffer-client-discard-rt.c b/liblttng-ust/lttng-ring-buffer-client-discard-rt.c new file mode 100644 index 0000000..301328f --- /dev/null +++ b/liblttng-ust/lttng-ring-buffer-client-discard-rt.c @@ -0,0 +1,35 @@ +/* + * lttng-ring-buffer-client-discard-rt.c + * + * LTTng lib ring buffer client (discard mode) for RT. + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include "lttng-tracer.h" + +#define RING_BUFFER_MODE_TEMPLATE RING_BUFFER_DISCARD +#define RING_BUFFER_MODE_TEMPLATE_STRING "discard-rt" +#define RING_BUFFER_MODE_TEMPLATE_INIT \ + lttng_ring_buffer_client_discard_rt_init +#define RING_BUFFER_MODE_TEMPLATE_EXIT \ + lttng_ring_buffer_client_discard_rt_exit +#define LTTNG_CLIENT_TYPE LTTNG_CLIENT_DISCARD_RT +#define LTTNG_CLIENT_CALLBACKS lttng_client_callbacks_discard_rt +#define LTTNG_CLIENT_WAKEUP RING_BUFFER_WAKEUP_BY_TIMER +#include "lttng-ring-buffer-client.h" diff --git a/liblttng-ust/lttng-ring-buffer-client-discard.c b/liblttng-ust/lttng-ring-buffer-client-discard.c new file mode 100644 index 0000000..2e469b7 --- /dev/null +++ b/liblttng-ust/lttng-ring-buffer-client-discard.c @@ -0,0 +1,35 @@ +/* + * lttng-ring-buffer-client-discard.c + * + * LTTng lib ring buffer client (discard mode). + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include "lttng-tracer.h" + +#define RING_BUFFER_MODE_TEMPLATE RING_BUFFER_DISCARD +#define RING_BUFFER_MODE_TEMPLATE_STRING "discard" +#define RING_BUFFER_MODE_TEMPLATE_INIT \ + lttng_ring_buffer_client_discard_init +#define RING_BUFFER_MODE_TEMPLATE_EXIT \ + lttng_ring_buffer_client_discard_exit +#define LTTNG_CLIENT_TYPE LTTNG_CLIENT_DISCARD +#define LTTNG_CLIENT_CALLBACKS lttng_client_callbacks_discard +#define LTTNG_CLIENT_WAKEUP RING_BUFFER_WAKEUP_BY_WRITER +#include "lttng-ring-buffer-client.h" diff --git a/liblttng-ust/lttng-ring-buffer-client-overwrite-rt.c b/liblttng-ust/lttng-ring-buffer-client-overwrite-rt.c new file mode 100644 index 0000000..b4c5fe5 --- /dev/null +++ b/liblttng-ust/lttng-ring-buffer-client-overwrite-rt.c @@ -0,0 +1,35 @@ +/* + * lttng-ring-buffer-client-overwrite-rt.c + * + * LTTng lib ring buffer client (overwrite mode). + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include "lttng-tracer.h" + +#define RING_BUFFER_MODE_TEMPLATE RING_BUFFER_OVERWRITE +#define RING_BUFFER_MODE_TEMPLATE_STRING "overwrite-rt" +#define RING_BUFFER_MODE_TEMPLATE_INIT \ + lttng_ring_buffer_client_overwrite_rt_init +#define RING_BUFFER_MODE_TEMPLATE_EXIT \ + lttng_ring_buffer_client_overwrite_rt_exit +#define LTTNG_CLIENT_TYPE LTTNG_CLIENT_OVERWRITE_RT +#define LTTNG_CLIENT_CALLBACKS lttng_client_callbacks_overwrite_rt +#define LTTNG_CLIENT_WAKEUP RING_BUFFER_WAKEUP_BY_TIMER +#include "lttng-ring-buffer-client.h" diff --git a/liblttng-ust/lttng-ring-buffer-client-overwrite.c b/liblttng-ust/lttng-ring-buffer-client-overwrite.c new file mode 100644 index 0000000..e9cbc89 --- /dev/null +++ b/liblttng-ust/lttng-ring-buffer-client-overwrite.c @@ -0,0 +1,35 @@ +/* + * lttng-ring-buffer-client-overwrite.c + * + * LTTng lib ring buffer client (overwrite mode). + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include "lttng-tracer.h" + +#define RING_BUFFER_MODE_TEMPLATE RING_BUFFER_OVERWRITE +#define RING_BUFFER_MODE_TEMPLATE_STRING "overwrite" +#define RING_BUFFER_MODE_TEMPLATE_INIT \ + lttng_ring_buffer_client_overwrite_init +#define RING_BUFFER_MODE_TEMPLATE_EXIT \ + lttng_ring_buffer_client_overwrite_exit +#define LTTNG_CLIENT_TYPE LTTNG_CLIENT_OVERWRITE +#define LTTNG_CLIENT_CALLBACKS lttng_client_callbacks_overwrite +#define LTTNG_CLIENT_WAKEUP RING_BUFFER_WAKEUP_BY_WRITER +#include "lttng-ring-buffer-client.h" diff --git a/liblttng-ust/lttng-ring-buffer-client.h b/liblttng-ust/lttng-ring-buffer-client.h new file mode 100644 index 0000000..e5640b2 --- /dev/null +++ b/liblttng-ust/lttng-ring-buffer-client.h @@ -0,0 +1,825 @@ +/* + * lttng-ring-buffer-client.h + * + * LTTng lib ring buffer client template. + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include "lttng/bitfield.h" +#include "clock.h" +#include "lttng-tracer.h" +#include "../libringbuffer/frontend_types.h" + +#define LTTNG_COMPACT_EVENT_BITS 5 +#define LTTNG_COMPACT_TSC_BITS 27 + +enum app_ctx_mode { + APP_CTX_DISABLED, + APP_CTX_ENABLED, +}; + +/* + * Keep the natural field alignment for _each field_ within this structure if + * you ever add/remove a field from this header. Packed attribute is not used + * because gcc generates poor code on at least powerpc and mips. Don't ever + * let gcc add padding between the structure elements. + */ + +struct packet_header { + /* Trace packet header */ + uint32_t magic; /* + * Trace magic number. + * contains endianness information. + */ + uint8_t uuid[LTTNG_UST_UUID_LEN]; + uint32_t stream_id; + uint64_t stream_instance_id; + + struct { + /* Stream packet context */ + uint64_t timestamp_begin; /* Cycle count at subbuffer start */ + uint64_t timestamp_end; /* Cycle count at subbuffer end */ + uint64_t content_size; /* Size of data in subbuffer */ + uint64_t packet_size; /* Subbuffer size (include padding) */ + uint64_t packet_seq_num; /* Packet sequence number */ + unsigned long events_discarded; /* + * Events lost in this subbuffer since + * the beginning of the trace. + * (may overflow) + */ + uint32_t cpu_id; /* CPU id associated with stream */ + uint8_t header_end; /* End of header */ + } ctx; +}; + + +static inline uint64_t lib_ring_buffer_clock_read(struct channel *chan) +{ + return trace_clock_read64(); +} + +static inline +size_t ctx_get_size(size_t offset, struct lttng_ctx *ctx, + enum app_ctx_mode mode) +{ + int i; + size_t orig_offset = offset; + + if (caa_likely(!ctx)) + return 0; + offset += lib_ring_buffer_align(offset, ctx->largest_align); + for (i = 0; i < ctx->nr_fields; i++) { + if (mode == APP_CTX_ENABLED) { + offset += ctx->fields[i].get_size(&ctx->fields[i], offset); + } else { + if (lttng_context_is_app(ctx->fields[i].event_field.name)) { + /* + * Before UST 2.8, we cannot use the + * application context, because we + * cannot trust that the handler used + * for get_size is the same used for + * ctx_record, which would result in + * corrupted traces when tracing + * concurrently with application context + * register/unregister. + */ + offset += lttng_ust_dummy_get_size(&ctx->fields[i], offset); + } else { + offset += ctx->fields[i].get_size(&ctx->fields[i], offset); + } + } + } + return offset - orig_offset; +} + +static inline +void ctx_record(struct lttng_ust_lib_ring_buffer_ctx *bufctx, + struct lttng_channel *chan, + struct lttng_ctx *ctx, + enum app_ctx_mode mode) +{ + int i; + + if (caa_likely(!ctx)) + return; + lib_ring_buffer_align_ctx(bufctx, ctx->largest_align); + for (i = 0; i < ctx->nr_fields; i++) { + if (mode == APP_CTX_ENABLED) { + ctx->fields[i].record(&ctx->fields[i], bufctx, chan); + } else { + if (lttng_context_is_app(ctx->fields[i].event_field.name)) { + /* + * Before UST 2.8, we cannot use the + * application context, because we + * cannot trust that the handler used + * for get_size is the same used for + * ctx_record, which would result in + * corrupted traces when tracing + * concurrently with application context + * register/unregister. + */ + lttng_ust_dummy_record(&ctx->fields[i], bufctx, chan); + } else { + ctx->fields[i].record(&ctx->fields[i], bufctx, chan); + } + } + } +} + +/* + * record_header_size - Calculate the header size and padding necessary. + * @config: ring buffer instance configuration + * @chan: channel + * @offset: offset in the write buffer + * @pre_header_padding: padding to add before the header (output) + * @ctx: reservation context + * + * Returns the event header size (including padding). + * + * The payload must itself determine its own alignment from the biggest type it + * contains. + */ +static __inline__ +size_t record_header_size(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, size_t offset, + size_t *pre_header_padding, + struct lttng_ust_lib_ring_buffer_ctx *ctx) +{ + struct lttng_channel *lttng_chan = channel_get_private(chan); + struct lttng_event *event = ctx->priv; + struct lttng_stack_ctx *lttng_ctx = ctx->priv2; + size_t orig_offset = offset; + size_t padding; + + switch (lttng_chan->header_type) { + case 1: /* compact */ + padding = lib_ring_buffer_align(offset, lttng_alignof(uint32_t)); + offset += padding; + if (!(ctx->rflags & (RING_BUFFER_RFLAG_FULL_TSC | LTTNG_RFLAG_EXTENDED))) { + offset += sizeof(uint32_t); /* id and timestamp */ + } else { + /* Minimum space taken by LTTNG_COMPACT_EVENT_BITS id */ + offset += (LTTNG_COMPACT_EVENT_BITS + CHAR_BIT - 1) / CHAR_BIT; + /* Align extended struct on largest member */ + offset += lib_ring_buffer_align(offset, lttng_alignof(uint64_t)); + offset += sizeof(uint32_t); /* id */ + offset += lib_ring_buffer_align(offset, lttng_alignof(uint64_t)); + offset += sizeof(uint64_t); /* timestamp */ + } + break; + case 2: /* large */ + padding = lib_ring_buffer_align(offset, lttng_alignof(uint16_t)); + offset += padding; + offset += sizeof(uint16_t); + if (!(ctx->rflags & (RING_BUFFER_RFLAG_FULL_TSC | LTTNG_RFLAG_EXTENDED))) { + offset += lib_ring_buffer_align(offset, lttng_alignof(uint32_t)); + offset += sizeof(uint32_t); /* timestamp */ + } else { + /* Align extended struct on largest member */ + offset += lib_ring_buffer_align(offset, lttng_alignof(uint64_t)); + offset += sizeof(uint32_t); /* id */ + offset += lib_ring_buffer_align(offset, lttng_alignof(uint64_t)); + offset += sizeof(uint64_t); /* timestamp */ + } + break; + default: + padding = 0; + WARN_ON_ONCE(1); + } + if (lttng_ctx) { + /* 2.8+ probe ABI. */ + offset += ctx_get_size(offset, lttng_ctx->chan_ctx, APP_CTX_ENABLED); + offset += ctx_get_size(offset, lttng_ctx->event_ctx, APP_CTX_ENABLED); + } else { + /* Pre 2.8 probe ABI. */ + offset += ctx_get_size(offset, lttng_chan->ctx, APP_CTX_DISABLED); + offset += ctx_get_size(offset, event->ctx, APP_CTX_DISABLED); + } + *pre_header_padding = padding; + return offset - orig_offset; +} + +#include "../libringbuffer/api.h" +#include "lttng-rb-clients.h" + +static +void lttng_write_event_header_slow(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + uint32_t event_id); + +/* + * lttng_write_event_header + * + * Writes the event header to the offset (already aligned on 32-bits). + * + * @config: ring buffer instance configuration + * @ctx: reservation context + * @event_id: event ID + */ +static __inline__ +void lttng_write_event_header(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + uint32_t event_id) +{ + struct lttng_channel *lttng_chan = channel_get_private(ctx->chan); + struct lttng_event *event = ctx->priv; + struct lttng_stack_ctx *lttng_ctx = ctx->priv2; + + if (caa_unlikely(ctx->rflags)) + goto slow_path; + + switch (lttng_chan->header_type) { + case 1: /* compact */ + { + uint32_t id_time = 0; + + bt_bitfield_write(&id_time, uint32_t, + 0, + LTTNG_COMPACT_EVENT_BITS, + event_id); + bt_bitfield_write(&id_time, uint32_t, + LTTNG_COMPACT_EVENT_BITS, + LTTNG_COMPACT_TSC_BITS, + ctx->tsc); + lib_ring_buffer_write(config, ctx, &id_time, sizeof(id_time)); + break; + } + case 2: /* large */ + { + uint32_t timestamp = (uint32_t) ctx->tsc; + uint16_t id = event_id; + + lib_ring_buffer_write(config, ctx, &id, sizeof(id)); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(uint32_t)); + lib_ring_buffer_write(config, ctx, ×tamp, sizeof(timestamp)); + break; + } + default: + WARN_ON_ONCE(1); + } + + if (lttng_ctx) { + /* 2.8+ probe ABI. */ + ctx_record(ctx, lttng_chan, lttng_ctx->chan_ctx, APP_CTX_ENABLED); + ctx_record(ctx, lttng_chan, lttng_ctx->event_ctx, APP_CTX_ENABLED); + } else { + /* Pre 2.8 probe ABI. */ + ctx_record(ctx, lttng_chan, lttng_chan->ctx, APP_CTX_DISABLED); + ctx_record(ctx, lttng_chan, event->ctx, APP_CTX_DISABLED); + } + lib_ring_buffer_align_ctx(ctx, ctx->largest_align); + + return; + +slow_path: + lttng_write_event_header_slow(config, ctx, event_id); +} + +static +void lttng_write_event_header_slow(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + uint32_t event_id) +{ + struct lttng_channel *lttng_chan = channel_get_private(ctx->chan); + struct lttng_event *event = ctx->priv; + struct lttng_stack_ctx *lttng_ctx = ctx->priv2; + + switch (lttng_chan->header_type) { + case 1: /* compact */ + if (!(ctx->rflags & (RING_BUFFER_RFLAG_FULL_TSC | LTTNG_RFLAG_EXTENDED))) { + uint32_t id_time = 0; + + bt_bitfield_write(&id_time, uint32_t, + 0, + LTTNG_COMPACT_EVENT_BITS, + event_id); + bt_bitfield_write(&id_time, uint32_t, + LTTNG_COMPACT_EVENT_BITS, + LTTNG_COMPACT_TSC_BITS, + ctx->tsc); + lib_ring_buffer_write(config, ctx, &id_time, sizeof(id_time)); + } else { + uint8_t id = 0; + uint64_t timestamp = ctx->tsc; + + bt_bitfield_write(&id, uint8_t, + 0, + LTTNG_COMPACT_EVENT_BITS, + 31); + lib_ring_buffer_write(config, ctx, &id, sizeof(id)); + /* Align extended struct on largest member */ + lib_ring_buffer_align_ctx(ctx, lttng_alignof(uint64_t)); + lib_ring_buffer_write(config, ctx, &event_id, sizeof(event_id)); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(uint64_t)); + lib_ring_buffer_write(config, ctx, ×tamp, sizeof(timestamp)); + } + break; + case 2: /* large */ + { + if (!(ctx->rflags & (RING_BUFFER_RFLAG_FULL_TSC | LTTNG_RFLAG_EXTENDED))) { + uint32_t timestamp = (uint32_t) ctx->tsc; + uint16_t id = event_id; + + lib_ring_buffer_write(config, ctx, &id, sizeof(id)); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(uint32_t)); + lib_ring_buffer_write(config, ctx, ×tamp, sizeof(timestamp)); + } else { + uint16_t id = 65535; + uint64_t timestamp = ctx->tsc; + + lib_ring_buffer_write(config, ctx, &id, sizeof(id)); + /* Align extended struct on largest member */ + lib_ring_buffer_align_ctx(ctx, lttng_alignof(uint64_t)); + lib_ring_buffer_write(config, ctx, &event_id, sizeof(event_id)); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(uint64_t)); + lib_ring_buffer_write(config, ctx, ×tamp, sizeof(timestamp)); + } + break; + } + default: + WARN_ON_ONCE(1); + } + if (lttng_ctx) { + /* 2.8+ probe ABI. */ + ctx_record(ctx, lttng_chan, lttng_ctx->chan_ctx, APP_CTX_ENABLED); + ctx_record(ctx, lttng_chan, lttng_ctx->event_ctx, APP_CTX_ENABLED); + } else { + /* Pre 2.8 probe ABI. */ + ctx_record(ctx, lttng_chan, lttng_chan->ctx, APP_CTX_DISABLED); + ctx_record(ctx, lttng_chan, event->ctx, APP_CTX_DISABLED); + } + lib_ring_buffer_align_ctx(ctx, ctx->largest_align); +} + +static const struct lttng_ust_lib_ring_buffer_config client_config; + +static uint64_t client_ring_buffer_clock_read(struct channel *chan) +{ + return lib_ring_buffer_clock_read(chan); +} + +static +size_t client_record_header_size(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, size_t offset, + size_t *pre_header_padding, + struct lttng_ust_lib_ring_buffer_ctx *ctx) +{ + return record_header_size(config, chan, offset, + pre_header_padding, ctx); +} + +/** + * client_packet_header_size - called on buffer-switch to a new sub-buffer + * + * Return header size without padding after the structure. Don't use packed + * structure because gcc generates inefficient code on some architectures + * (powerpc, mips..) + */ +static size_t client_packet_header_size(void) +{ + return offsetof(struct packet_header, ctx.header_end); +} + +static void client_buffer_begin(struct lttng_ust_lib_ring_buffer *buf, uint64_t tsc, + unsigned int subbuf_idx, + struct lttng_ust_shm_handle *handle) +{ + struct channel *chan = shmp(handle, buf->backend.chan); + struct packet_header *header = + (struct packet_header *) + lib_ring_buffer_offset_address(&buf->backend, + subbuf_idx * chan->backend.subbuf_size, + handle); + struct lttng_channel *lttng_chan = channel_get_private(chan); + uint64_t cnt = shmp_index(handle, buf->backend.buf_cnt, subbuf_idx)->seq_cnt; + + assert(header); + if (!header) + return; + header->magic = CTF_MAGIC_NUMBER; + memcpy(header->uuid, lttng_chan->uuid, sizeof(lttng_chan->uuid)); + header->stream_id = lttng_chan->id; + header->stream_instance_id = buf->backend.cpu; + header->ctx.timestamp_begin = tsc; + header->ctx.timestamp_end = 0; + header->ctx.content_size = ~0ULL; /* for debugging */ + header->ctx.packet_size = ~0ULL; + header->ctx.packet_seq_num = chan->backend.num_subbuf * cnt + subbuf_idx; + header->ctx.events_discarded = 0; + header->ctx.cpu_id = buf->backend.cpu; +} + +/* + * offset is assumed to never be 0 here : never deliver a completely empty + * subbuffer. data_size is between 1 and subbuf_size. + */ +static void client_buffer_end(struct lttng_ust_lib_ring_buffer *buf, uint64_t tsc, + unsigned int subbuf_idx, unsigned long data_size, + struct lttng_ust_shm_handle *handle) +{ + struct channel *chan = shmp(handle, buf->backend.chan); + struct packet_header *header = + (struct packet_header *) + lib_ring_buffer_offset_address(&buf->backend, + subbuf_idx * chan->backend.subbuf_size, + handle); + unsigned long records_lost = 0; + + assert(header); + if (!header) + return; + header->ctx.timestamp_end = tsc; + header->ctx.content_size = + (uint64_t) data_size * CHAR_BIT; /* in bits */ + header->ctx.packet_size = + (uint64_t) PAGE_ALIGN(data_size) * CHAR_BIT; /* in bits */ + + records_lost += lib_ring_buffer_get_records_lost_full(&client_config, buf); + records_lost += lib_ring_buffer_get_records_lost_wrap(&client_config, buf); + records_lost += lib_ring_buffer_get_records_lost_big(&client_config, buf); + header->ctx.events_discarded = records_lost; +} + +static int client_buffer_create(struct lttng_ust_lib_ring_buffer *buf, void *priv, + int cpu, const char *name, struct lttng_ust_shm_handle *handle) +{ + return 0; +} + +static void client_buffer_finalize(struct lttng_ust_lib_ring_buffer *buf, void *priv, int cpu, struct lttng_ust_shm_handle *handle) +{ +} + +static void client_content_size_field(const struct lttng_ust_lib_ring_buffer_config *config, + size_t *offset, size_t *length) +{ + *offset = offsetof(struct packet_header, ctx.content_size); + *length = sizeof(((struct packet_header *) NULL)->ctx.content_size); +} + +static void client_packet_size_field(const struct lttng_ust_lib_ring_buffer_config *config, + size_t *offset, size_t *length) +{ + *offset = offsetof(struct packet_header, ctx.packet_size); + *length = sizeof(((struct packet_header *) NULL)->ctx.packet_size); +} + +static struct packet_header *client_packet_header(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle) +{ + return lib_ring_buffer_read_offset_address(&buf->backend, 0, handle); +} + +static int client_timestamp_begin(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *timestamp_begin) +{ + struct packet_header *header; + + header = client_packet_header(buf, handle); + if (!header) + return -1; + *timestamp_begin = header->ctx.timestamp_begin; + return 0; +} + +static int client_timestamp_end(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *timestamp_end) +{ + struct packet_header *header; + + header = client_packet_header(buf, handle); + if (!header) + return -1; + *timestamp_end = header->ctx.timestamp_end; + return 0; +} + +static int client_events_discarded(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *events_discarded) +{ + struct packet_header *header; + + header = client_packet_header(buf, handle); + if (!header) + return -1; + *events_discarded = header->ctx.events_discarded; + return 0; +} + +static int client_content_size(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *content_size) +{ + struct packet_header *header; + + header = client_packet_header(buf, handle); + if (!header) + return -1; + *content_size = header->ctx.content_size; + return 0; +} + +static int client_packet_size(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *packet_size) +{ + struct packet_header *header; + + header = client_packet_header(buf, handle); + if (!header) + return -1; + *packet_size = header->ctx.packet_size; + return 0; +} + +static int client_stream_id(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *stream_id) +{ + struct packet_header *header; + + header = client_packet_header(buf, handle); + if (!header) + return -1; + *stream_id = header->stream_id; + return 0; +} + +static int client_current_timestamp(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *ts) +{ + struct channel *chan; + + chan = shmp(handle, handle->chan); + *ts = client_ring_buffer_clock_read(chan); + + return 0; +} + +static int client_sequence_number(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *seq) +{ + struct packet_header *header; + + header = client_packet_header(buf, handle); + *seq = header->ctx.packet_seq_num; + return 0; +} + +static int client_instance_id(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle, + uint64_t *id) +{ + struct packet_header *header; + + header = client_packet_header(buf, handle); + *id = header->stream_instance_id; + return 0; +} + +static const +struct lttng_ust_client_lib_ring_buffer_client_cb client_cb = { + .parent = { + .ring_buffer_clock_read = client_ring_buffer_clock_read, + .record_header_size = client_record_header_size, + .subbuffer_header_size = client_packet_header_size, + .buffer_begin = client_buffer_begin, + .buffer_end = client_buffer_end, + .buffer_create = client_buffer_create, + .buffer_finalize = client_buffer_finalize, + .content_size_field = client_content_size_field, + .packet_size_field = client_packet_size_field, + }, + .timestamp_begin = client_timestamp_begin, + .timestamp_end = client_timestamp_end, + .events_discarded = client_events_discarded, + .content_size = client_content_size, + .packet_size = client_packet_size, + .stream_id = client_stream_id, + .current_timestamp = client_current_timestamp, + .sequence_number = client_sequence_number, + .instance_id = client_instance_id, +}; + +static const struct lttng_ust_lib_ring_buffer_config client_config = { + .cb.ring_buffer_clock_read = client_ring_buffer_clock_read, + .cb.record_header_size = client_record_header_size, + .cb.subbuffer_header_size = client_packet_header_size, + .cb.buffer_begin = client_buffer_begin, + .cb.buffer_end = client_buffer_end, + .cb.buffer_create = client_buffer_create, + .cb.buffer_finalize = client_buffer_finalize, + .cb.content_size_field = client_content_size_field, + .cb.packet_size_field = client_packet_size_field, + + .tsc_bits = LTTNG_COMPACT_TSC_BITS, + .alloc = RING_BUFFER_ALLOC_PER_CPU, + .sync = RING_BUFFER_SYNC_GLOBAL, + .mode = RING_BUFFER_MODE_TEMPLATE, + .backend = RING_BUFFER_PAGE, + .output = RING_BUFFER_MMAP, + .oops = RING_BUFFER_OOPS_CONSISTENCY, + .ipi = RING_BUFFER_NO_IPI_BARRIER, + .wakeup = LTTNG_CLIENT_WAKEUP, + .client_type = LTTNG_CLIENT_TYPE, + + .cb_ptr = &client_cb.parent, +}; + +const struct lttng_ust_client_lib_ring_buffer_client_cb *LTTNG_CLIENT_CALLBACKS = &client_cb; + +static +struct lttng_channel *_channel_create(const char *name, + void *buf_addr, + size_t subbuf_size, size_t num_subbuf, + unsigned int switch_timer_interval, + unsigned int read_timer_interval, + unsigned char *uuid, + uint32_t chan_id, + const int *stream_fds, int nr_stream_fds) +{ + struct lttng_channel chan_priv_init; + struct lttng_ust_shm_handle *handle; + struct lttng_channel *lttng_chan; + void *priv; + + memset(&chan_priv_init, 0, sizeof(chan_priv_init)); + memcpy(chan_priv_init.uuid, uuid, LTTNG_UST_UUID_LEN); + chan_priv_init.id = chan_id; + handle = channel_create(&client_config, name, + &priv, __alignof__(struct lttng_channel), + sizeof(struct lttng_channel), + &chan_priv_init, + buf_addr, subbuf_size, num_subbuf, + switch_timer_interval, read_timer_interval, + stream_fds, nr_stream_fds); + if (!handle) + return NULL; + lttng_chan = priv; + lttng_chan->handle = handle; + lttng_chan->chan = shmp(handle, handle->chan); + return lttng_chan; +} + +static +void lttng_channel_destroy(struct lttng_channel *chan) +{ + channel_destroy(chan->chan, chan->handle, 1); +} + +static +int lttng_event_reserve(struct lttng_ust_lib_ring_buffer_ctx *ctx, + uint32_t event_id) +{ + struct lttng_channel *lttng_chan = channel_get_private(ctx->chan); + int ret, cpu; + + cpu = lib_ring_buffer_get_cpu(&client_config); + if (cpu < 0) + return -EPERM; + ctx->cpu = cpu; + + switch (lttng_chan->header_type) { + case 1: /* compact */ + if (event_id > 30) + ctx->rflags |= LTTNG_RFLAG_EXTENDED; + break; + case 2: /* large */ + if (event_id > 65534) + ctx->rflags |= LTTNG_RFLAG_EXTENDED; + break; + default: + WARN_ON_ONCE(1); + } + + ret = lib_ring_buffer_reserve(&client_config, ctx); + if (ret) + goto put; + lttng_write_event_header(&client_config, ctx, event_id); + return 0; +put: + lib_ring_buffer_put_cpu(&client_config); + return ret; +} + +static +void lttng_event_commit(struct lttng_ust_lib_ring_buffer_ctx *ctx) +{ + lib_ring_buffer_commit(&client_config, ctx); + lib_ring_buffer_put_cpu(&client_config); +} + +static +void lttng_event_write(struct lttng_ust_lib_ring_buffer_ctx *ctx, const void *src, + size_t len) +{ + lib_ring_buffer_write(&client_config, ctx, src, len); +} + +static +void lttng_event_strcpy(struct lttng_ust_lib_ring_buffer_ctx *ctx, const char *src, + size_t len) +{ + lib_ring_buffer_strcpy(&client_config, ctx, src, len, '#'); +} + +#if 0 +static +wait_queue_head_t *lttng_get_reader_wait_queue(struct channel *chan) +{ + return &chan->read_wait; +} + +static +wait_queue_head_t *lttng_get_hp_wait_queue(struct channel *chan) +{ + return &chan->hp_wait; +} +#endif //0 + +static +int lttng_is_finalized(struct channel *chan) +{ + return lib_ring_buffer_channel_is_finalized(chan); +} + +static +int lttng_is_disabled(struct channel *chan) +{ + return lib_ring_buffer_channel_is_disabled(chan); +} + +static +int lttng_flush_buffer(struct channel *chan, struct lttng_ust_shm_handle *handle) +{ + struct lttng_ust_lib_ring_buffer *buf; + int cpu; + + for_each_channel_cpu(cpu, chan) { + int shm_fd, wait_fd, wakeup_fd; + uint64_t memory_map_size; + + buf = channel_get_ring_buffer(&client_config, chan, + cpu, handle, &shm_fd, &wait_fd, + &wakeup_fd, &memory_map_size); + lib_ring_buffer_switch(&client_config, buf, + SWITCH_ACTIVE, handle); + } + return 0; +} + +static struct lttng_transport lttng_relay_transport = { + .name = "relay-" RING_BUFFER_MODE_TEMPLATE_STRING "-mmap", + .ops = { + .channel_create = _channel_create, + .channel_destroy = lttng_channel_destroy, + .u.has_strcpy = 1, + .event_reserve = lttng_event_reserve, + .event_commit = lttng_event_commit, + .event_write = lttng_event_write, + .packet_avail_size = NULL, /* Would be racy anyway */ + //.get_reader_wait_queue = lttng_get_reader_wait_queue, + //.get_hp_wait_queue = lttng_get_hp_wait_queue, + .is_finalized = lttng_is_finalized, + .is_disabled = lttng_is_disabled, + .flush_buffer = lttng_flush_buffer, + .event_strcpy = lttng_event_strcpy, + }, + .client_config = &client_config, +}; + +void RING_BUFFER_MODE_TEMPLATE_INIT(void) +{ + DBG("LTT : ltt ring buffer client \"%s\" init\n", + "relay-" RING_BUFFER_MODE_TEMPLATE_STRING "-mmap"); + lttng_transport_register(<tng_relay_transport); +} + +void RING_BUFFER_MODE_TEMPLATE_EXIT(void) +{ + DBG("LTT : ltt ring buffer client \"%s\" exit\n", + "relay-" RING_BUFFER_MODE_TEMPLATE_STRING "-mmap"); + lttng_transport_unregister(<tng_relay_transport); +} diff --git a/liblttng-ust/lttng-ring-buffer-metadata-client.c b/liblttng-ust/lttng-ring-buffer-metadata-client.c new file mode 100644 index 0000000..126c048 --- /dev/null +++ b/liblttng-ust/lttng-ring-buffer-metadata-client.c @@ -0,0 +1,34 @@ +/* + * lttng-ring-buffer-metadata-client.c + * + * LTTng lib ring buffer metadta client. + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include "lttng-tracer.h" + +#define RING_BUFFER_MODE_TEMPLATE RING_BUFFER_DISCARD +#define RING_BUFFER_MODE_TEMPLATE_STRING "metadata" +#define RING_BUFFER_MODE_TEMPLATE_INIT \ + lttng_ring_buffer_metadata_client_init +#define RING_BUFFER_MODE_TEMPLATE_EXIT \ + lttng_ring_buffer_metadata_client_exit +#define LTTNG_CLIENT_TYPE LTTNG_CLIENT_METADATA +#define LTTNG_CLIENT_CALLBACKS lttng_client_callbacks_metadata +#include "lttng-ring-buffer-metadata-client.h" diff --git a/liblttng-ust/lttng-ring-buffer-metadata-client.h b/liblttng-ust/lttng-ring-buffer-metadata-client.h new file mode 100644 index 0000000..f3c4a67 --- /dev/null +++ b/liblttng-ust/lttng-ring-buffer-metadata-client.h @@ -0,0 +1,347 @@ +/* + * lttng-ring-buffer-client.h + * + * LTTng lib ring buffer client template. + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include "lttng/bitfield.h" +#include "lttng-tracer.h" +#include "../libringbuffer/frontend_types.h" + +struct metadata_packet_header { + uint32_t magic; /* 0x75D11D57 */ + uint8_t uuid[LTTNG_UST_UUID_LEN]; /* Unique Universal Identifier */ + uint32_t checksum; /* 0 if unused */ + uint32_t content_size; /* in bits */ + uint32_t packet_size; /* in bits */ + uint8_t compression_scheme; /* 0 if unused */ + uint8_t encryption_scheme; /* 0 if unused */ + uint8_t checksum_scheme; /* 0 if unused */ + uint8_t major; /* CTF spec major version number */ + uint8_t minor; /* CTF spec minor version number */ + uint8_t header_end[0]; +}; + +struct metadata_record_header { + uint8_t header_end[0]; /* End of header */ +}; + +static const struct lttng_ust_lib_ring_buffer_config client_config; + +static inline uint64_t lib_ring_buffer_clock_read(struct channel *chan) +{ + return 0; +} + +static inline +size_t record_header_size(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, size_t offset, + size_t *pre_header_padding, + struct lttng_ust_lib_ring_buffer_ctx *ctx) +{ + return 0; +} + +#include "../libringbuffer/api.h" +#include "lttng-rb-clients.h" + +static uint64_t client_ring_buffer_clock_read(struct channel *chan) +{ + return 0; +} + +static +size_t client_record_header_size(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, size_t offset, + size_t *pre_header_padding, + struct lttng_ust_lib_ring_buffer_ctx *ctx) +{ + return 0; +} + +/** + * client_packet_header_size - called on buffer-switch to a new sub-buffer + * + * Return header size without padding after the structure. Don't use packed + * structure because gcc generates inefficient code on some architectures + * (powerpc, mips..) + */ +static size_t client_packet_header_size(void) +{ + return offsetof(struct metadata_packet_header, header_end); +} + +static void client_buffer_begin(struct lttng_ust_lib_ring_buffer *buf, uint64_t tsc, + unsigned int subbuf_idx, + struct lttng_ust_shm_handle *handle) +{ + struct channel *chan = shmp(handle, buf->backend.chan); + struct metadata_packet_header *header = + (struct metadata_packet_header *) + lib_ring_buffer_offset_address(&buf->backend, + subbuf_idx * chan->backend.subbuf_size, + handle); + struct lttng_channel *lttng_chan = channel_get_private(chan); + + assert(header); + if (!header) + return; + header->magic = TSDL_MAGIC_NUMBER; + memcpy(header->uuid, lttng_chan->uuid, sizeof(lttng_chan->uuid)); + header->checksum = 0; /* 0 if unused */ + header->content_size = 0xFFFFFFFF; /* in bits, for debugging */ + header->packet_size = 0xFFFFFFFF; /* in bits, for debugging */ + header->compression_scheme = 0; /* 0 if unused */ + header->encryption_scheme = 0; /* 0 if unused */ + header->checksum_scheme = 0; /* 0 if unused */ + header->major = CTF_SPEC_MAJOR; + header->minor = CTF_SPEC_MINOR; +} + +/* + * offset is assumed to never be 0 here : never deliver a completely empty + * subbuffer. data_size is between 1 and subbuf_size. + */ +static void client_buffer_end(struct lttng_ust_lib_ring_buffer *buf, uint64_t tsc, + unsigned int subbuf_idx, unsigned long data_size, + struct lttng_ust_shm_handle *handle) +{ + struct channel *chan = shmp(handle, buf->backend.chan); + struct metadata_packet_header *header = + (struct metadata_packet_header *) + lib_ring_buffer_offset_address(&buf->backend, + subbuf_idx * chan->backend.subbuf_size, + handle); + unsigned long records_lost = 0; + + assert(header); + if (!header) + return; + header->content_size = data_size * CHAR_BIT; /* in bits */ + header->packet_size = PAGE_ALIGN(data_size) * CHAR_BIT; /* in bits */ + /* + * We do not care about the records lost count, because the metadata + * channel waits and retry. + */ + (void) lib_ring_buffer_get_records_lost_full(&client_config, buf); + records_lost += lib_ring_buffer_get_records_lost_wrap(&client_config, buf); + records_lost += lib_ring_buffer_get_records_lost_big(&client_config, buf); + WARN_ON_ONCE(records_lost != 0); +} + +static int client_buffer_create(struct lttng_ust_lib_ring_buffer *buf, void *priv, + int cpu, const char *name, + struct lttng_ust_shm_handle *handle) +{ + return 0; +} + +static void client_buffer_finalize(struct lttng_ust_lib_ring_buffer *buf, + void *priv, int cpu, + struct lttng_ust_shm_handle *handle) +{ +} + +static const +struct lttng_ust_client_lib_ring_buffer_client_cb client_cb = { + .parent = { + .ring_buffer_clock_read = client_ring_buffer_clock_read, + .record_header_size = client_record_header_size, + .subbuffer_header_size = client_packet_header_size, + .buffer_begin = client_buffer_begin, + .buffer_end = client_buffer_end, + .buffer_create = client_buffer_create, + .buffer_finalize = client_buffer_finalize, + }, +}; + +static const struct lttng_ust_lib_ring_buffer_config client_config = { + .cb.ring_buffer_clock_read = client_ring_buffer_clock_read, + .cb.record_header_size = client_record_header_size, + .cb.subbuffer_header_size = client_packet_header_size, + .cb.buffer_begin = client_buffer_begin, + .cb.buffer_end = client_buffer_end, + .cb.buffer_create = client_buffer_create, + .cb.buffer_finalize = client_buffer_finalize, + + .tsc_bits = 0, + .alloc = RING_BUFFER_ALLOC_GLOBAL, + .sync = RING_BUFFER_SYNC_GLOBAL, + .mode = RING_BUFFER_MODE_TEMPLATE, + .backend = RING_BUFFER_PAGE, + .output = RING_BUFFER_MMAP, + .oops = RING_BUFFER_OOPS_CONSISTENCY, + .ipi = RING_BUFFER_NO_IPI_BARRIER, + .wakeup = RING_BUFFER_WAKEUP_BY_WRITER, + .client_type = LTTNG_CLIENT_TYPE, + + .cb_ptr = &client_cb.parent, +}; + +const struct lttng_ust_client_lib_ring_buffer_client_cb *LTTNG_CLIENT_CALLBACKS = &client_cb; + +static +struct lttng_channel *_channel_create(const char *name, + void *buf_addr, + size_t subbuf_size, size_t num_subbuf, + unsigned int switch_timer_interval, + unsigned int read_timer_interval, + unsigned char *uuid, + uint32_t chan_id, + const int *stream_fds, int nr_stream_fds) +{ + struct lttng_channel chan_priv_init; + struct lttng_ust_shm_handle *handle; + struct lttng_channel *lttng_chan; + void *priv; + + memset(&chan_priv_init, 0, sizeof(chan_priv_init)); + memcpy(chan_priv_init.uuid, uuid, LTTNG_UST_UUID_LEN); + chan_priv_init.id = chan_id; + handle = channel_create(&client_config, name, + &priv, __alignof__(struct lttng_channel), + sizeof(struct lttng_channel), + &chan_priv_init, + buf_addr, subbuf_size, num_subbuf, + switch_timer_interval, read_timer_interval, + stream_fds, nr_stream_fds); + if (!handle) + return NULL; + lttng_chan = priv; + lttng_chan->handle = handle; + lttng_chan->chan = shmp(handle, handle->chan); + return lttng_chan; +} + +static +void lttng_channel_destroy(struct lttng_channel *chan) +{ + channel_destroy(chan->chan, chan->handle, 1); +} + +static +int lttng_event_reserve(struct lttng_ust_lib_ring_buffer_ctx *ctx, uint32_t event_id) +{ + return lib_ring_buffer_reserve(&client_config, ctx); +} + +static +void lttng_event_commit(struct lttng_ust_lib_ring_buffer_ctx *ctx) +{ + lib_ring_buffer_commit(&client_config, ctx); +} + +static +void lttng_event_write(struct lttng_ust_lib_ring_buffer_ctx *ctx, const void *src, + size_t len) +{ + lib_ring_buffer_write(&client_config, ctx, src, len); +} + +static +size_t lttng_packet_avail_size(struct channel *chan, struct lttng_ust_shm_handle *handle) + +{ + unsigned long o_begin; + struct lttng_ust_lib_ring_buffer *buf; + + buf = shmp(handle, chan->backend.buf[0].shmp); /* Only for global buffer ! */ + o_begin = v_read(&client_config, &buf->offset); + if (subbuf_offset(o_begin, chan) != 0) { + return chan->backend.subbuf_size - subbuf_offset(o_begin, chan); + } else { + return chan->backend.subbuf_size - subbuf_offset(o_begin, chan) + - sizeof(struct metadata_packet_header); + } +} + +#if 0 +static +wait_queue_head_t *lttng_get_reader_wait_queue(struct channel *chan) +{ + return &chan->read_wait; +} + +static +wait_queue_head_t *lttng_get_hp_wait_queue(struct channel *chan) +{ + return &chan->hp_wait; +} +#endif //0 + +static +int lttng_is_finalized(struct channel *chan) +{ + return lib_ring_buffer_channel_is_finalized(chan); +} + +static +int lttng_is_disabled(struct channel *chan) +{ + return lib_ring_buffer_channel_is_disabled(chan); +} + +static +int lttng_flush_buffer(struct channel *chan, struct lttng_ust_shm_handle *handle) +{ + struct lttng_ust_lib_ring_buffer *buf; + int shm_fd, wait_fd, wakeup_fd; + uint64_t memory_map_size; + + buf = channel_get_ring_buffer(&client_config, chan, + 0, handle, &shm_fd, &wait_fd, &wakeup_fd, + &memory_map_size); + lib_ring_buffer_switch(&client_config, buf, + SWITCH_ACTIVE, handle); + return 0; +} + +static struct lttng_transport lttng_relay_transport = { + .name = "relay-" RING_BUFFER_MODE_TEMPLATE_STRING "-mmap", + .ops = { + .channel_create = _channel_create, + .channel_destroy = lttng_channel_destroy, + .event_reserve = lttng_event_reserve, + .event_commit = lttng_event_commit, + .event_write = lttng_event_write, + .packet_avail_size = lttng_packet_avail_size, + //.get_reader_wait_queue = lttng_get_reader_wait_queue, + //.get_hp_wait_queue = lttng_get_hp_wait_queue, + .is_finalized = lttng_is_finalized, + .is_disabled = lttng_is_disabled, + .flush_buffer = lttng_flush_buffer, + }, + .client_config = &client_config, +}; + +void RING_BUFFER_MODE_TEMPLATE_INIT(void) +{ + DBG("LTT : ltt ring buffer client \"%s\" init\n", + "relay-" RING_BUFFER_MODE_TEMPLATE_STRING "-mmap"); + lttng_transport_register(<tng_relay_transport); +} + +void RING_BUFFER_MODE_TEMPLATE_EXIT(void) +{ + DBG("LTT : ltt ring buffer client \"%s\" exit\n", + "relay-" RING_BUFFER_MODE_TEMPLATE_STRING "-mmap"); + lttng_transport_unregister(<tng_relay_transport); +} diff --git a/liblttng-ust/lttng-tracer-core.h b/liblttng-ust/lttng-tracer-core.h new file mode 100644 index 0000000..44aca74 --- /dev/null +++ b/liblttng-ust/lttng-tracer-core.h @@ -0,0 +1,66 @@ +#ifndef _LTTNG_TRACER_CORE_H +#define _LTTNG_TRACER_CORE_H + +/* + * Copyright (C) 2005-2011 Mathieu Desnoyers + * + * This contains the core definitions for the Linux Trace Toolkit. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +struct lttng_session; +struct lttng_channel; +struct lttng_event; +struct lttng_ctx_field; +struct lttng_ust_lib_ring_buffer_ctx; +struct lttng_ctx_value; + +int ust_lock(void) __attribute__ ((warn_unused_result)); +void ust_lock_nocheck(void); +void ust_unlock(void); + +void lttng_fixup_event_tls(void); +void lttng_fixup_vtid_tls(void); +void lttng_fixup_procname_tls(void); + +const char *lttng_ust_obj_get_name(int id); + +int lttng_get_notify_socket(void *owner); + +void lttng_ust_sockinfo_session_enabled(void *owner); + +void lttng_ust_malloc_wrapper_init(void); + +ssize_t lttng_ust_read(int fd, void *buf, size_t len); + +size_t lttng_ust_dummy_get_size(struct lttng_ctx_field *field, size_t offset); +void lttng_ust_dummy_record(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan); +void lttng_ust_dummy_get_value(struct lttng_ctx_field *field, + struct lttng_ctx_value *value); +int lttng_context_is_app(const char *name); + +#endif /* _LTTNG_TRACER_CORE_H */ diff --git a/liblttng-ust/lttng-tracer.h b/liblttng-ust/lttng-tracer.h new file mode 100644 index 0000000..1bc97bc --- /dev/null +++ b/liblttng-ust/lttng-tracer.h @@ -0,0 +1,49 @@ +#ifndef _LTTNG_TRACER_H +#define _LTTNG_TRACER_H + +/* + * Copyright (C) 2005-2011 Mathieu Desnoyers + * + * This contains the definitions for the Linux Trace Toolkit tracer. + * + * Ported to userspace by Pierre-Marc Fournier. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include "lttng-tracer-core.h" +#include "compat.h" + +/* Tracer properties */ +#define CTF_MAGIC_NUMBER 0xC1FC1FC1 +#define TSDL_MAGIC_NUMBER 0x75D11D57 + +/* CTF specification version followed */ +#define CTF_SPEC_MAJOR 1 +#define CTF_SPEC_MINOR 8 + +/* + * Number of milliseconds to retry before failing metadata writes on buffer full + * condition. (10 seconds) + */ +#define LTTNG_METADATA_TIMEOUT_MSEC 10000 + +#define LTTNG_RFLAG_EXTENDED RING_BUFFER_RFLAG_END +#define LTTNG_RFLAG_END (LTTNG_RFLAG_EXTENDED << 1) + +#endif /* _LTTNG_TRACER_H */ diff --git a/liblttng-ust/lttng-ust-abi.c b/liblttng-ust/lttng-ust-abi.c new file mode 100644 index 0000000..762c901 --- /dev/null +++ b/liblttng-ust/lttng-ust-abi.c @@ -0,0 +1,995 @@ +/* + * lttng-ust-abi.c + * + * LTTng UST ABI + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * + * Mimic system calls for: + * - session creation, returns an object descriptor or failure. + * - channel creation, returns an object descriptor or failure. + * - Operates on a session object descriptor + * - Takes all channel options as parameters. + * - stream get, returns an object descriptor or failure. + * - Operates on a channel object descriptor. + * - stream notifier get, returns an object descriptor or failure. + * - Operates on a channel object descriptor. + * - event creation, returns an object descriptor or failure. + * - Operates on a channel object descriptor + * - Takes an event name as parameter + * - Takes an instrumentation source as parameter + * - e.g. tracepoints, dynamic_probes... + * - Takes instrumentation source specific arguments. + */ + +#include +#include +#include +#include +#include +#include +#include +#include "tracepoint-internal.h" +#include +#include +#include "lttng-tracer.h" +#include "../libringbuffer/shm.h" +#include "../libringbuffer/frontend_types.h" + +#define OBJ_NAME_LEN 16 + +static int lttng_ust_abi_close_in_progress; + +static +int lttng_abi_tracepoint_list(void *owner); +static +int lttng_abi_tracepoint_field_list(void *owner); + +/* + * Object descriptor table. Should be protected from concurrent access + * by the caller. + */ + +struct lttng_ust_obj { + union { + struct { + void *private_data; + const struct lttng_ust_objd_ops *ops; + int f_count; + int owner_ref; /* has ref from owner */ + void *owner; + char name[OBJ_NAME_LEN]; + } s; + int freelist_next; /* offset freelist. end is -1. */ + } u; +}; + +struct lttng_ust_objd_table { + struct lttng_ust_obj *array; + unsigned int len, allocated_len; + int freelist_head; /* offset freelist head. end is -1 */ +}; + +static struct lttng_ust_objd_table objd_table = { + .freelist_head = -1, +}; + +static +int objd_alloc(void *private_data, const struct lttng_ust_objd_ops *ops, + void *owner, const char *name) +{ + struct lttng_ust_obj *obj; + + if (objd_table.freelist_head != -1) { + obj = &objd_table.array[objd_table.freelist_head]; + objd_table.freelist_head = obj->u.freelist_next; + goto end; + } + + if (objd_table.len >= objd_table.allocated_len) { + unsigned int new_allocated_len, old_allocated_len; + struct lttng_ust_obj *new_table, *old_table; + + old_allocated_len = objd_table.allocated_len; + old_table = objd_table.array; + if (!old_allocated_len) + new_allocated_len = 1; + else + new_allocated_len = old_allocated_len << 1; + new_table = zmalloc(sizeof(struct lttng_ust_obj) * new_allocated_len); + if (!new_table) + return -ENOMEM; + memcpy(new_table, old_table, + sizeof(struct lttng_ust_obj) * old_allocated_len); + free(old_table); + objd_table.array = new_table; + objd_table.allocated_len = new_allocated_len; + } + obj = &objd_table.array[objd_table.len]; + objd_table.len++; +end: + obj->u.s.private_data = private_data; + obj->u.s.ops = ops; + obj->u.s.f_count = 2; /* count == 1 : object is allocated */ + /* count == 2 : allocated + hold ref */ + obj->u.s.owner_ref = 1; /* One owner reference */ + obj->u.s.owner = owner; + strncpy(obj->u.s.name, name, OBJ_NAME_LEN); + obj->u.s.name[OBJ_NAME_LEN - 1] = '\0'; + return obj - objd_table.array; +} + +static +struct lttng_ust_obj *_objd_get(int id) +{ + if (id >= objd_table.len) + return NULL; + if (!objd_table.array[id].u.s.f_count) + return NULL; + return &objd_table.array[id]; +} + +static +void *objd_private(int id) +{ + struct lttng_ust_obj *obj = _objd_get(id); + assert(obj); + return obj->u.s.private_data; +} + +static +void objd_set_private(int id, void *private_data) +{ + struct lttng_ust_obj *obj = _objd_get(id); + assert(obj); + obj->u.s.private_data = private_data; +} + +const struct lttng_ust_objd_ops *objd_ops(int id) +{ + struct lttng_ust_obj *obj = _objd_get(id); + + if (!obj) + return NULL; + return obj->u.s.ops; +} + +static +void objd_free(int id) +{ + struct lttng_ust_obj *obj = _objd_get(id); + + assert(obj); + obj->u.freelist_next = objd_table.freelist_head; + objd_table.freelist_head = obj - objd_table.array; + assert(obj->u.s.f_count == 1); + obj->u.s.f_count = 0; /* deallocated */ +} + +static +void objd_ref(int id) +{ + struct lttng_ust_obj *obj = _objd_get(id); + assert(obj != NULL); + obj->u.s.f_count++; +} + +int lttng_ust_objd_unref(int id, int is_owner) +{ + struct lttng_ust_obj *obj = _objd_get(id); + + if (!obj) + return -EINVAL; + if (obj->u.s.f_count == 1) { + ERR("Reference counting error\n"); + return -EINVAL; + } + if (is_owner) { + if (!obj->u.s.owner_ref) { + ERR("Error decrementing owner reference"); + return -EINVAL; + } + obj->u.s.owner_ref--; + } + if ((--obj->u.s.f_count) == 1) { + const struct lttng_ust_objd_ops *ops = objd_ops(id); + + if (ops->release) + ops->release(id); + objd_free(id); + } + return 0; +} + +static +void objd_table_destroy(void) +{ + int i; + + for (i = 0; i < objd_table.allocated_len; i++) { + struct lttng_ust_obj *obj; + + obj = _objd_get(i); + if (!obj) + continue; + if (!obj->u.s.owner_ref) + continue; /* only unref owner ref. */ + (void) lttng_ust_objd_unref(i, 1); + } + free(objd_table.array); + objd_table.array = NULL; + objd_table.len = 0; + objd_table.allocated_len = 0; + objd_table.freelist_head = -1; +} + +const char *lttng_ust_obj_get_name(int id) +{ + struct lttng_ust_obj *obj = _objd_get(id); + + if (!obj) + return NULL; + return obj->u.s.name; +} + +void lttng_ust_objd_table_owner_cleanup(void *owner) +{ + int i; + + for (i = 0; i < objd_table.allocated_len; i++) { + struct lttng_ust_obj *obj; + + obj = _objd_get(i); + if (!obj) + continue; + if (!obj->u.s.owner) + continue; /* skip root handles */ + if (!obj->u.s.owner_ref) + continue; /* only unref owner ref. */ + if (obj->u.s.owner == owner) + (void) lttng_ust_objd_unref(i, 1); + } +} + +/* + * This is LTTng's own personal way to create an ABI for sessiond. + * We send commands over a socket. + */ + +static const struct lttng_ust_objd_ops lttng_ops; +static const struct lttng_ust_objd_ops lttng_session_ops; +static const struct lttng_ust_objd_ops lttng_channel_ops; +static const struct lttng_ust_objd_ops lttng_enabler_ops; +static const struct lttng_ust_objd_ops lttng_tracepoint_list_ops; +static const struct lttng_ust_objd_ops lttng_tracepoint_field_list_ops; + +int lttng_abi_create_root_handle(void) +{ + int root_handle; + + /* root handles have NULL owners */ + root_handle = objd_alloc(NULL, <tng_ops, NULL, "root"); + return root_handle; +} + +static +int lttng_is_channel_ready(struct lttng_channel *lttng_chan) +{ + struct channel *chan; + unsigned int nr_streams, exp_streams; + + chan = lttng_chan->chan; + nr_streams = channel_handle_get_nr_streams(lttng_chan->handle); + exp_streams = chan->nr_streams; + return nr_streams == exp_streams; +} + +static +int lttng_abi_create_session(void *owner) +{ + struct lttng_session *session; + int session_objd, ret; + + session = lttng_session_create(); + if (!session) + return -ENOMEM; + session_objd = objd_alloc(session, <tng_session_ops, owner, "session"); + if (session_objd < 0) { + ret = session_objd; + goto objd_error; + } + session->objd = session_objd; + session->owner = owner; + return session_objd; + +objd_error: + lttng_session_destroy(session); + return ret; +} + +static +long lttng_abi_tracer_version(int objd, + struct lttng_ust_tracer_version *v) +{ + v->major = LTTNG_UST_MAJOR_VERSION; + v->minor = LTTNG_UST_MINOR_VERSION; + v->patchlevel = LTTNG_UST_PATCHLEVEL_VERSION; + return 0; +} + +static +long lttng_abi_add_context(int objd, + struct lttng_ust_context *context_param, + union ust_args *uargs, + struct lttng_ctx **ctx, struct lttng_session *session) +{ + return lttng_attach_context(context_param, uargs, ctx, session); +} + +/** + * lttng_cmd - lttng control through socket commands + * + * @objd: the object descriptor + * @cmd: the command + * @arg: command arg + * @uargs: UST arguments (internal) + * @owner: objd owner + * + * This descriptor implements lttng commands: + * LTTNG_UST_SESSION + * Returns a LTTng trace session object descriptor + * LTTNG_UST_TRACER_VERSION + * Returns the LTTng kernel tracer version + * LTTNG_UST_TRACEPOINT_LIST + * Returns a file descriptor listing available tracepoints + * LTTNG_UST_TRACEPOINT_FIELD_LIST + * Returns a file descriptor listing available tracepoint fields + * LTTNG_UST_WAIT_QUIESCENT + * Returns after all previously running probes have completed + * + * The returned session will be deleted when its file descriptor is closed. + */ +static +long lttng_cmd(int objd, unsigned int cmd, unsigned long arg, + union ust_args *uargs, void *owner) +{ + switch (cmd) { + case LTTNG_UST_SESSION: + return lttng_abi_create_session(owner); + case LTTNG_UST_TRACER_VERSION: + return lttng_abi_tracer_version(objd, + (struct lttng_ust_tracer_version *) arg); + case LTTNG_UST_TRACEPOINT_LIST: + return lttng_abi_tracepoint_list(owner); + case LTTNG_UST_TRACEPOINT_FIELD_LIST: + return lttng_abi_tracepoint_field_list(owner); + case LTTNG_UST_WAIT_QUIESCENT: + synchronize_trace(); + return 0; + default: + return -EINVAL; + } +} + +static const struct lttng_ust_objd_ops lttng_ops = { + .cmd = lttng_cmd, +}; + +int lttng_abi_map_channel(int session_objd, + struct lttng_ust_channel *ust_chan, + union ust_args *uargs, + void *owner) +{ + struct lttng_session *session = objd_private(session_objd); + const char *transport_name; + const struct lttng_transport *transport; + const char *chan_name; + int chan_objd; + struct lttng_ust_shm_handle *channel_handle; + struct lttng_channel *lttng_chan; + struct channel *chan; + struct lttng_ust_lib_ring_buffer_config *config; + void *chan_data; + int wakeup_fd; + uint64_t len; + int ret; + enum lttng_ust_chan_type type; + + chan_data = uargs->channel.chan_data; + wakeup_fd = uargs->channel.wakeup_fd; + len = ust_chan->len; + type = ust_chan->type; + + switch (type) { + case LTTNG_UST_CHAN_PER_CPU: + break; + default: + ret = -EINVAL; + goto invalid; + } + + if (session->been_active) { + ret = -EBUSY; + goto active; /* Refuse to add channel to active session */ + } + + channel_handle = channel_handle_create(chan_data, len, wakeup_fd); + if (!channel_handle) { + ret = -EINVAL; + goto handle_error; + } + + chan = shmp(channel_handle, channel_handle->chan); + assert(chan); + chan->handle = channel_handle; + config = &chan->backend.config; + lttng_chan = channel_get_private(chan); + if (!lttng_chan) { + ret = -EINVAL; + goto alloc_error; + } + + /* Lookup transport name */ + switch (type) { + case LTTNG_UST_CHAN_PER_CPU: + if (config->output == RING_BUFFER_MMAP) { + if (config->mode == RING_BUFFER_OVERWRITE) { + if (config->wakeup == RING_BUFFER_WAKEUP_BY_WRITER) { + transport_name = "relay-overwrite-mmap"; + } else { + transport_name = "relay-overwrite-rt-mmap"; + } + } else { + if (config->wakeup == RING_BUFFER_WAKEUP_BY_WRITER) { + transport_name = "relay-discard-mmap"; + } else { + transport_name = "relay-discard-rt-mmap"; + } + } + } else { + ret = -EINVAL; + goto notransport; + } + chan_name = "channel"; + break; + default: + ret = -EINVAL; + goto notransport; + } + transport = lttng_transport_find(transport_name); + if (!transport) { + DBG("LTTng transport %s not found\n", + transport_name); + ret = -EINVAL; + goto notransport; + } + + chan_objd = objd_alloc(NULL, <tng_channel_ops, owner, chan_name); + if (chan_objd < 0) { + ret = chan_objd; + goto objd_error; + } + + /* Initialize our lttng chan */ + lttng_chan->chan = chan; + lttng_chan->tstate = 1; + lttng_chan->enabled = 1; + lttng_chan->ctx = NULL; + lttng_chan->session = session; + lttng_chan->ops = &transport->ops; + memcpy(<tng_chan->chan->backend.config, + transport->client_config, + sizeof(lttng_chan->chan->backend.config)); + cds_list_add(<tng_chan->node, &session->chan_head); + lttng_chan->header_type = 0; + lttng_chan->handle = channel_handle; + lttng_chan->type = type; + + /* + * We tolerate no failure path after channel creation. It will stay + * invariant for the rest of the session. + */ + objd_set_private(chan_objd, lttng_chan); + lttng_chan->objd = chan_objd; + /* The channel created holds a reference on the session */ + objd_ref(session_objd); + return chan_objd; + + /* error path after channel was created */ +objd_error: +notransport: + free(lttng_chan); +alloc_error: + channel_destroy(chan, channel_handle, 0); + return ret; + + /* + * error path before channel creation (owning chan_data and + * wakeup_fd). + */ +handle_error: +active: +invalid: + { + int close_ret; + + close_ret = close(wakeup_fd); + if (close_ret) { + PERROR("close"); + } + } + free(chan_data); + return ret; +} + +/** + * lttng_session_cmd - lttng session object command + * + * @obj: the object + * @cmd: the command + * @arg: command arg + * @uargs: UST arguments (internal) + * @owner: objd owner + * + * This descriptor implements lttng commands: + * LTTNG_UST_CHANNEL + * Returns a LTTng channel object descriptor + * LTTNG_UST_ENABLE + * Enables tracing for a session (weak enable) + * LTTNG_UST_DISABLE + * Disables tracing for a session (strong disable) + * + * The returned channel will be deleted when its file descriptor is closed. + */ +static +long lttng_session_cmd(int objd, unsigned int cmd, unsigned long arg, + union ust_args *uargs, void *owner) +{ + struct lttng_session *session = objd_private(objd); + + switch (cmd) { + case LTTNG_UST_CHANNEL: + return lttng_abi_map_channel(objd, + (struct lttng_ust_channel *) arg, + uargs, owner); + case LTTNG_UST_SESSION_START: + case LTTNG_UST_ENABLE: + return lttng_session_enable(session); + case LTTNG_UST_SESSION_STOP: + case LTTNG_UST_DISABLE: + return lttng_session_disable(session); + default: + return -EINVAL; + } +} + +/* + * Called when the last file reference is dropped. + * + * Big fat note: channels and events are invariant for the whole session after + * their creation. So this session destruction also destroys all channel and + * event structures specific to this session (they are not destroyed when their + * individual file is released). + */ +static +int lttng_release_session(int objd) +{ + struct lttng_session *session = objd_private(objd); + + if (session) { + lttng_session_destroy(session); + return 0; + } else { + return -EINVAL; + } +} + +static const struct lttng_ust_objd_ops lttng_session_ops = { + .release = lttng_release_session, + .cmd = lttng_session_cmd, +}; + +static +long lttng_tracepoint_list_cmd(int objd, unsigned int cmd, unsigned long arg, + union ust_args *uargs, void *owner) +{ + struct lttng_ust_tracepoint_list *list = objd_private(objd); + struct lttng_ust_tracepoint_iter *tp = + (struct lttng_ust_tracepoint_iter *) arg; + struct lttng_ust_tracepoint_iter *iter; + + switch (cmd) { + case LTTNG_UST_TRACEPOINT_LIST_GET: + { + iter = lttng_ust_tracepoint_list_get_iter_next(list); + if (!iter) + return -LTTNG_UST_ERR_NOENT; + memcpy(tp, iter, sizeof(*tp)); + return 0; + } + default: + return -EINVAL; + } +} + +static +int lttng_abi_tracepoint_list(void *owner) +{ + int list_objd, ret; + struct lttng_ust_tracepoint_list *list; + + list_objd = objd_alloc(NULL, <tng_tracepoint_list_ops, owner, "tp_list"); + if (list_objd < 0) { + ret = list_objd; + goto objd_error; + } + list = zmalloc(sizeof(*list)); + if (!list) { + ret = -ENOMEM; + goto alloc_error; + } + objd_set_private(list_objd, list); + + /* populate list by walking on all registered probes. */ + ret = lttng_probes_get_event_list(list); + if (ret) { + goto list_error; + } + return list_objd; + +list_error: + free(list); +alloc_error: + { + int err; + + err = lttng_ust_objd_unref(list_objd, 1); + assert(!err); + } +objd_error: + return ret; +} + +static +int lttng_release_tracepoint_list(int objd) +{ + struct lttng_ust_tracepoint_list *list = objd_private(objd); + + if (list) { + lttng_probes_prune_event_list(list); + free(list); + return 0; + } else { + return -EINVAL; + } +} + +static const struct lttng_ust_objd_ops lttng_tracepoint_list_ops = { + .release = lttng_release_tracepoint_list, + .cmd = lttng_tracepoint_list_cmd, +}; + +static +long lttng_tracepoint_field_list_cmd(int objd, unsigned int cmd, + unsigned long arg, union ust_args *uargs, void *owner) +{ + struct lttng_ust_field_list *list = objd_private(objd); + struct lttng_ust_field_iter *tp = &uargs->field_list.entry; + struct lttng_ust_field_iter *iter; + + switch (cmd) { + case LTTNG_UST_TRACEPOINT_FIELD_LIST_GET: + { + iter = lttng_ust_field_list_get_iter_next(list); + if (!iter) + return -LTTNG_UST_ERR_NOENT; + memcpy(tp, iter, sizeof(*tp)); + return 0; + } + default: + return -EINVAL; + } +} + +static +int lttng_abi_tracepoint_field_list(void *owner) +{ + int list_objd, ret; + struct lttng_ust_field_list *list; + + list_objd = objd_alloc(NULL, <tng_tracepoint_field_list_ops, owner, + "tp_field_list"); + if (list_objd < 0) { + ret = list_objd; + goto objd_error; + } + list = zmalloc(sizeof(*list)); + if (!list) { + ret = -ENOMEM; + goto alloc_error; + } + objd_set_private(list_objd, list); + + /* populate list by walking on all registered probes. */ + ret = lttng_probes_get_field_list(list); + if (ret) { + goto list_error; + } + return list_objd; + +list_error: + free(list); +alloc_error: + { + int err; + + err = lttng_ust_objd_unref(list_objd, 1); + assert(!err); + } +objd_error: + return ret; +} + +static +int lttng_release_tracepoint_field_list(int objd) +{ + struct lttng_ust_field_list *list = objd_private(objd); + + if (list) { + lttng_probes_prune_field_list(list); + free(list); + return 0; + } else { + return -EINVAL; + } +} + +static const struct lttng_ust_objd_ops lttng_tracepoint_field_list_ops = { + .release = lttng_release_tracepoint_field_list, + .cmd = lttng_tracepoint_field_list_cmd, +}; + +static +int lttng_abi_map_stream(int channel_objd, struct lttng_ust_stream *info, + union ust_args *uargs, void *owner) +{ + struct lttng_channel *channel = objd_private(channel_objd); + int ret; + + ret = channel_handle_add_stream(channel->handle, + uargs->stream.shm_fd, uargs->stream.wakeup_fd, + info->stream_nr, info->len); + if (ret) + goto error_add_stream; + + return 0; + +error_add_stream: + return ret; +} + +static +int lttng_abi_create_enabler(int channel_objd, + struct lttng_ust_event *event_param, + void *owner, + enum lttng_enabler_type type) +{ + struct lttng_channel *channel = objd_private(channel_objd); + struct lttng_enabler *enabler; + int event_objd, ret; + + event_param->name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; + event_objd = objd_alloc(NULL, <tng_enabler_ops, owner, "enabler"); + if (event_objd < 0) { + ret = event_objd; + goto objd_error; + } + /* + * We tolerate no failure path after event creation. It will stay + * invariant for the rest of the session. + */ + enabler = lttng_enabler_create(type, event_param, channel); + if (!enabler) { + ret = -ENOMEM; + goto event_error; + } + objd_set_private(event_objd, enabler); + /* The event holds a reference on the channel */ + objd_ref(channel_objd); + return event_objd; + +event_error: + { + int err; + + err = lttng_ust_objd_unref(event_objd, 1); + assert(!err); + } +objd_error: + return ret; +} + +/** + * lttng_channel_cmd - lttng control through object descriptors + * + * @objd: the object descriptor + * @cmd: the command + * @arg: command arg + * @uargs: UST arguments (internal) + * @owner: objd owner + * + * This object descriptor implements lttng commands: + * LTTNG_UST_STREAM + * Returns an event stream object descriptor or failure. + * (typically, one event stream records events from one CPU) + * LTTNG_UST_EVENT + * Returns an event object descriptor or failure. + * LTTNG_UST_CONTEXT + * Prepend a context field to each event in the channel + * LTTNG_UST_ENABLE + * Enable recording for events in this channel (weak enable) + * LTTNG_UST_DISABLE + * Disable recording for events in this channel (strong disable) + * + * Channel and event file descriptors also hold a reference on the session. + */ +static +long lttng_channel_cmd(int objd, unsigned int cmd, unsigned long arg, + union ust_args *uargs, void *owner) +{ + struct lttng_channel *channel = objd_private(objd); + + if (cmd != LTTNG_UST_STREAM) { + /* + * Check if channel received all streams. + */ + if (!lttng_is_channel_ready(channel)) + return -EPERM; + } + + switch (cmd) { + case LTTNG_UST_STREAM: + { + struct lttng_ust_stream *stream; + + stream = (struct lttng_ust_stream *) arg; + /* stream used as output */ + return lttng_abi_map_stream(objd, stream, uargs, owner); + } + case LTTNG_UST_EVENT: + { + struct lttng_ust_event *event_param = + (struct lttng_ust_event *) arg; + if (event_param->name[strlen(event_param->name) - 1] == '*') { + /* If ends with wildcard, create wildcard. */ + return lttng_abi_create_enabler(objd, event_param, + owner, LTTNG_ENABLER_WILDCARD); + } else { + return lttng_abi_create_enabler(objd, event_param, + owner, LTTNG_ENABLER_EVENT); + } + } + case LTTNG_UST_CONTEXT: + return lttng_abi_add_context(objd, + (struct lttng_ust_context *) arg, uargs, + &channel->ctx, channel->session); + case LTTNG_UST_ENABLE: + return lttng_channel_enable(channel); + case LTTNG_UST_DISABLE: + return lttng_channel_disable(channel); + case LTTNG_UST_FLUSH_BUFFER: + return channel->ops->flush_buffer(channel->chan, channel->handle); + default: + return -EINVAL; + } +} + +static +int lttng_channel_release(int objd) +{ + struct lttng_channel *channel = objd_private(objd); + + if (channel) + return lttng_ust_objd_unref(channel->session->objd, 0); + return 0; +} + +static const struct lttng_ust_objd_ops lttng_channel_ops = { + .release = lttng_channel_release, + .cmd = lttng_channel_cmd, +}; + +/** + * lttng_enabler_cmd - lttng control through object descriptors + * + * @objd: the object descriptor + * @cmd: the command + * @arg: command arg + * @uargs: UST arguments (internal) + * @owner: objd owner + * + * This object descriptor implements lttng commands: + * LTTNG_UST_CONTEXT + * Prepend a context field to each record of events of this + * enabler. + * LTTNG_UST_ENABLE + * Enable recording for this enabler + * LTTNG_UST_DISABLE + * Disable recording for this enabler + * LTTNG_UST_FILTER + * Attach a filter to an enabler. + * LTTNG_UST_EXCLUSION + * Attach exclusions to an enabler. + */ +static +long lttng_enabler_cmd(int objd, unsigned int cmd, unsigned long arg, + union ust_args *uargs, void *owner) +{ + struct lttng_enabler *enabler = objd_private(objd); + + switch (cmd) { + case LTTNG_UST_CONTEXT: + return lttng_enabler_attach_context(enabler, + (struct lttng_ust_context *) arg); + case LTTNG_UST_ENABLE: + return lttng_enabler_enable(enabler); + case LTTNG_UST_DISABLE: + return lttng_enabler_disable(enabler); + case LTTNG_UST_FILTER: + { + int ret; + + ret = lttng_enabler_attach_bytecode(enabler, + (struct lttng_ust_filter_bytecode_node *) arg); + if (ret) + return ret; + return 0; + } + case LTTNG_UST_EXCLUSION: + { + return lttng_enabler_attach_exclusion(enabler, + (struct lttng_ust_excluder_node *) arg); + } + default: + return -EINVAL; + } +} + +static +int lttng_enabler_release(int objd) +{ + struct lttng_enabler *enabler = objd_private(objd); + + if (enabler) + return lttng_ust_objd_unref(enabler->chan->objd, 0); + return 0; +} + +static const struct lttng_ust_objd_ops lttng_enabler_ops = { + .release = lttng_enabler_release, + .cmd = lttng_enabler_cmd, +}; + +void lttng_ust_abi_exit(void) +{ + lttng_ust_abi_close_in_progress = 1; + ust_lock_nocheck(); + objd_table_destroy(); + ust_unlock(); + lttng_ust_abi_close_in_progress = 0; +} diff --git a/liblttng-ust/lttng-ust-comm.c b/liblttng-ust/lttng-ust-comm.c new file mode 100644 index 0000000..e00a22c --- /dev/null +++ b/liblttng-ust/lttng-ust-comm.c @@ -0,0 +1,1862 @@ +/* + * lttng-ust-comm.c + * + * Copyright (C) 2011 David Goulet + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _LGPL_SOURCE +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "tracepoint-internal.h" +#include "lttng-tracer-core.h" +#include "compat.h" +#include "../libringbuffer/tlsfixup.h" +#include "lttng-ust-statedump.h" +#include "clock.h" +#include "../libringbuffer/getcpu.h" +#include "getenv.h" + +/* + * Has lttng ust comm constructor been called ? + */ +static int initialized; + +/* + * The ust_lock/ust_unlock lock is used as a communication thread mutex. + * Held when handling a command, also held by fork() to deal with + * removal of threads, and by exit path. + * + * The UST lock is the centralized mutex across UST tracing control and + * probe registration. + * + * ust_exit_mutex must never nest in ust_mutex. + * + * ust_fork_mutex must never nest in ust_mutex. + * + * ust_mutex_nest is a per-thread nesting counter, allowing the perf + * counter lazy initialization called by events within the statedump, + * which traces while the ust_mutex is held. + * + * ust_lock nests within the dynamic loader lock (within glibc) because + * it is taken within the library constructor. + */ +static pthread_mutex_t ust_mutex = PTHREAD_MUTEX_INITIALIZER; + +/* Allow nesting the ust_mutex within the same thread. */ +static DEFINE_URCU_TLS(int, ust_mutex_nest); + +/* + * ust_exit_mutex protects thread_active variable wrt thread exit. It + * cannot be done by ust_mutex because pthread_cancel(), which takes an + * internal libc lock, cannot nest within ust_mutex. + * + * It never nests within a ust_mutex. + */ +static pthread_mutex_t ust_exit_mutex = PTHREAD_MUTEX_INITIALIZER; + +/* + * ust_fork_mutex protects base address statedump tracing against forks. It + * prevents the dynamic loader lock to be taken (by base address statedump + * tracing) while a fork is happening, thus preventing deadlock issues with + * the dynamic loader lock. + */ +static pthread_mutex_t ust_fork_mutex = PTHREAD_MUTEX_INITIALIZER; + +/* Should the ust comm thread quit ? */ +static int lttng_ust_comm_should_quit; + +/* + * Return 0 on success, -1 if should quit. + * The lock is taken in both cases. + * Signal-safe. + */ +int ust_lock(void) +{ + sigset_t sig_all_blocked, orig_mask; + int ret, oldstate; + + ret = pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldstate); + if (ret) { + ERR("pthread_setcancelstate: %s", strerror(ret)); + } + if (oldstate != PTHREAD_CANCEL_ENABLE) { + ERR("pthread_setcancelstate: unexpected oldstate"); + } + sigfillset(&sig_all_blocked); + ret = pthread_sigmask(SIG_SETMASK, &sig_all_blocked, &orig_mask); + if (ret) { + ERR("pthread_sigmask: %s", strerror(ret)); + } + if (!URCU_TLS(ust_mutex_nest)++) + pthread_mutex_lock(&ust_mutex); + ret = pthread_sigmask(SIG_SETMASK, &orig_mask, NULL); + if (ret) { + ERR("pthread_sigmask: %s", strerror(ret)); + } + if (lttng_ust_comm_should_quit) { + return -1; + } else { + return 0; + } +} + +/* + * ust_lock_nocheck() can be used in constructors/destructors, because + * they are already nested within the dynamic loader lock, and therefore + * have exclusive access against execution of liblttng-ust destructor. + * Signal-safe. + */ +void ust_lock_nocheck(void) +{ + sigset_t sig_all_blocked, orig_mask; + int ret, oldstate; + + ret = pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldstate); + if (ret) { + ERR("pthread_setcancelstate: %s", strerror(ret)); + } + if (oldstate != PTHREAD_CANCEL_ENABLE) { + ERR("pthread_setcancelstate: unexpected oldstate"); + } + sigfillset(&sig_all_blocked); + ret = pthread_sigmask(SIG_SETMASK, &sig_all_blocked, &orig_mask); + if (ret) { + ERR("pthread_sigmask: %s", strerror(ret)); + } + if (!URCU_TLS(ust_mutex_nest)++) + pthread_mutex_lock(&ust_mutex); + ret = pthread_sigmask(SIG_SETMASK, &orig_mask, NULL); + if (ret) { + ERR("pthread_sigmask: %s", strerror(ret)); + } +} + +/* + * Signal-safe. + */ +void ust_unlock(void) +{ + sigset_t sig_all_blocked, orig_mask; + int ret, oldstate; + + sigfillset(&sig_all_blocked); + ret = pthread_sigmask(SIG_SETMASK, &sig_all_blocked, &orig_mask); + if (ret) { + ERR("pthread_sigmask: %s", strerror(ret)); + } + if (!--URCU_TLS(ust_mutex_nest)) + pthread_mutex_unlock(&ust_mutex); + ret = pthread_sigmask(SIG_SETMASK, &orig_mask, NULL); + if (ret) { + ERR("pthread_sigmask: %s", strerror(ret)); + } + ret = pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate); + if (ret) { + ERR("pthread_setcancelstate: %s", strerror(ret)); + } + if (oldstate != PTHREAD_CANCEL_DISABLE) { + ERR("pthread_setcancelstate: unexpected oldstate"); + } +} + +/* + * Wait for either of these before continuing to the main + * program: + * - the register_done message from sessiond daemon + * (will let the sessiond daemon enable sessions before main + * starts.) + * - sessiond daemon is not reachable. + * - timeout (ensuring applications are resilient to session + * daemon problems). + */ +static sem_t constructor_wait; +/* + * Doing this for both the global and local sessiond. + */ +static int sem_count = { 2 }; + +/* + * Counting nesting within lttng-ust. Used to ensure that calling fork() + * from liblttng-ust does not execute the pre/post fork handlers. + */ +static DEFINE_URCU_TLS(int, lttng_ust_nest_count); + +/* + * Info about socket and associated listener thread. + */ +struct sock_info { + const char *name; + pthread_t ust_listener; /* listener thread */ + int root_handle; + int constructor_sem_posted; + int allowed; + int global; + int thread_active; + + char sock_path[PATH_MAX]; + int socket; + int notify_socket; + + char wait_shm_path[PATH_MAX]; + char *wait_shm_mmap; + /* Keep track of lazy state dump not performed yet. */ + int statedump_pending; +}; + +/* Socket from app (connect) to session daemon (listen) for communication */ +struct sock_info global_apps = { + .name = "global", + .global = 1, + + .root_handle = -1, + .allowed = 1, + .thread_active = 0, + + .sock_path = LTTNG_DEFAULT_RUNDIR "/" LTTNG_UST_SOCK_FILENAME, + .socket = -1, + .notify_socket = -1, + + .wait_shm_path = "/" LTTNG_UST_WAIT_FILENAME, + + .statedump_pending = 0, +}; + +/* TODO: allow global_apps_sock_path override */ + +struct sock_info local_apps = { + .name = "local", + .global = 0, + .root_handle = -1, + .allowed = 0, /* Check setuid bit first */ + .thread_active = 0, + + .socket = -1, + .notify_socket = -1, + + .statedump_pending = 0, +}; + +static int wait_poll_fallback; + +static const char *cmd_name_mapping[] = { + [ LTTNG_UST_RELEASE ] = "Release", + [ LTTNG_UST_SESSION ] = "Create Session", + [ LTTNG_UST_TRACER_VERSION ] = "Get Tracer Version", + + [ LTTNG_UST_TRACEPOINT_LIST ] = "Create Tracepoint List", + [ LTTNG_UST_WAIT_QUIESCENT ] = "Wait for Quiescent State", + [ LTTNG_UST_REGISTER_DONE ] = "Registration Done", + [ LTTNG_UST_TRACEPOINT_FIELD_LIST ] = "Create Tracepoint Field List", + + /* Session FD commands */ + [ LTTNG_UST_CHANNEL ] = "Create Channel", + [ LTTNG_UST_SESSION_START ] = "Start Session", + [ LTTNG_UST_SESSION_STOP ] = "Stop Session", + + /* Channel FD commands */ + [ LTTNG_UST_STREAM ] = "Create Stream", + [ LTTNG_UST_EVENT ] = "Create Event", + + /* Event and Channel FD commands */ + [ LTTNG_UST_CONTEXT ] = "Create Context", + [ LTTNG_UST_FLUSH_BUFFER ] = "Flush Buffer", + + /* Event, Channel and Session commands */ + [ LTTNG_UST_ENABLE ] = "Enable", + [ LTTNG_UST_DISABLE ] = "Disable", + + /* Tracepoint list commands */ + [ LTTNG_UST_TRACEPOINT_LIST_GET ] = "List Next Tracepoint", + [ LTTNG_UST_TRACEPOINT_FIELD_LIST_GET ] = "List Next Tracepoint Field", + + /* Event FD commands */ + [ LTTNG_UST_FILTER ] = "Create Filter", + [ LTTNG_UST_EXCLUSION ] = "Add exclusions to event", +}; + +static const char *str_timeout; +static int got_timeout_env; + +extern void lttng_ring_buffer_client_overwrite_init(void); +extern void lttng_ring_buffer_client_overwrite_rt_init(void); +extern void lttng_ring_buffer_client_discard_init(void); +extern void lttng_ring_buffer_client_discard_rt_init(void); +extern void lttng_ring_buffer_metadata_client_init(void); +extern void lttng_ring_buffer_client_overwrite_exit(void); +extern void lttng_ring_buffer_client_overwrite_rt_exit(void); +extern void lttng_ring_buffer_client_discard_exit(void); +extern void lttng_ring_buffer_client_discard_rt_exit(void); +extern void lttng_ring_buffer_metadata_client_exit(void); + +ssize_t lttng_ust_read(int fd, void *buf, size_t len) +{ + ssize_t ret; + size_t copied = 0, to_copy = len; + + do { + ret = read(fd, buf + copied, to_copy); + if (ret > 0) { + copied += ret; + to_copy -= ret; + } + } while ((ret > 0 && to_copy > 0) + || (ret < 0 && errno == EINTR)); + if (ret > 0) { + ret = copied; + } + return ret; +} +/* + * Returns the HOME directory path. Caller MUST NOT free(3) the returned + * pointer. + */ +static +const char *get_lttng_home_dir(void) +{ + const char *val; + + val = (const char *) lttng_secure_getenv("LTTNG_HOME"); + if (val != NULL) { + return val; + } + return (const char *) lttng_secure_getenv("HOME"); +} + +/* + * Force a read (imply TLS fixup for dlopen) of TLS variables. + */ +static +void lttng_fixup_nest_count_tls(void) +{ + asm volatile ("" : : "m" (URCU_TLS(lttng_ust_nest_count))); +} + +static +void lttng_fixup_ust_mutex_nest_tls(void) +{ + asm volatile ("" : : "m" (URCU_TLS(ust_mutex_nest))); +} + +/* + * Fixup urcu bp TLS. + */ +static +void lttng_fixup_urcu_bp_tls(void) +{ + rcu_read_lock(); + rcu_read_unlock(); +} + +int lttng_get_notify_socket(void *owner) +{ + struct sock_info *info = owner; + + return info->notify_socket; +} + +static +void print_cmd(int cmd, int handle) +{ + const char *cmd_name = "Unknown"; + + if (cmd >= 0 && cmd < LTTNG_ARRAY_SIZE(cmd_name_mapping) + && cmd_name_mapping[cmd]) { + cmd_name = cmd_name_mapping[cmd]; + } + DBG("Message Received \"%s\" (%d), Handle \"%s\" (%d)", + cmd_name, cmd, + lttng_ust_obj_get_name(handle), handle); +} + +static +int setup_local_apps(void) +{ + const char *home_dir; + uid_t uid; + + uid = getuid(); + /* + * Disallow per-user tracing for setuid binaries. + */ + if (uid != geteuid()) { + assert(local_apps.allowed == 0); + return 0; + } + home_dir = get_lttng_home_dir(); + if (!home_dir) { + WARN("HOME environment variable not set. Disabling LTTng-UST per-user tracing."); + assert(local_apps.allowed == 0); + return -ENOENT; + } + local_apps.allowed = 1; + snprintf(local_apps.sock_path, PATH_MAX, "%s/%s/%s", + home_dir, + LTTNG_DEFAULT_HOME_RUNDIR, + LTTNG_UST_SOCK_FILENAME); + snprintf(local_apps.wait_shm_path, PATH_MAX, "/%s-%u", + LTTNG_UST_WAIT_FILENAME, + uid); + return 0; +} + +/* + * Get notify_sock timeout, in ms. + * -1: wait forever. 0: don't wait. >0: timeout, in ms. + */ +static +long get_timeout(void) +{ + long constructor_delay_ms = LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS; + + if (!got_timeout_env) { + str_timeout = getenv("LTTNG_UST_REGISTER_TIMEOUT"); + got_timeout_env = 1; + } + if (str_timeout) + constructor_delay_ms = strtol(str_timeout, NULL, 10); + /* All negative values are considered as "-1". */ + if (constructor_delay_ms < -1) + constructor_delay_ms = -1; + return constructor_delay_ms; +} + +static +long get_notify_sock_timeout(void) +{ + return get_timeout(); +} + +/* + * Return values: -1: wait forever. 0: don't wait. 1: timeout wait. + */ +static +int get_constructor_timeout(struct timespec *constructor_timeout) +{ + long constructor_delay_ms; + int ret; + + constructor_delay_ms = get_timeout(); + + switch (constructor_delay_ms) { + case -1:/* fall-through */ + case 0: + return constructor_delay_ms; + default: + break; + } + + /* + * If we are unable to find the current time, don't wait. + */ + ret = clock_gettime(CLOCK_REALTIME, constructor_timeout); + if (ret) { + /* Don't wait. */ + return 0; + } + constructor_timeout->tv_sec += constructor_delay_ms / 1000UL; + constructor_timeout->tv_nsec += + (constructor_delay_ms % 1000UL) * 1000000UL; + if (constructor_timeout->tv_nsec >= 1000000000UL) { + constructor_timeout->tv_sec++; + constructor_timeout->tv_nsec -= 1000000000UL; + } + /* Timeout wait (constructor_delay_ms). */ + return 1; +} + +static +int register_to_sessiond(int socket, enum ustctl_socket_type type) +{ + return ustcomm_send_reg_msg(socket, + type, + CAA_BITS_PER_LONG, + lttng_alignof(uint8_t) * CHAR_BIT, + lttng_alignof(uint16_t) * CHAR_BIT, + lttng_alignof(uint32_t) * CHAR_BIT, + lttng_alignof(uint64_t) * CHAR_BIT, + lttng_alignof(unsigned long) * CHAR_BIT); +} + +static +int send_reply(int sock, struct ustcomm_ust_reply *lur) +{ + ssize_t len; + + len = ustcomm_send_unix_sock(sock, lur, sizeof(*lur)); + switch (len) { + case sizeof(*lur): + DBG("message successfully sent"); + return 0; + default: + if (len == -ECONNRESET) { + DBG("remote end closed connection"); + return 0; + } + if (len < 0) + return len; + DBG("incorrect message size: %zd", len); + return -EINVAL; + } +} + +static +int handle_register_done(struct sock_info *sock_info) +{ + int ret; + + if (sock_info->constructor_sem_posted) + return 0; + sock_info->constructor_sem_posted = 1; + if (uatomic_read(&sem_count) <= 0) { + return 0; + } + ret = uatomic_add_return(&sem_count, -1); + if (ret == 0) { + ret = sem_post(&constructor_wait); + assert(!ret); + } + return 0; +} + +/* + * Only execute pending statedump after the constructor semaphore has + * been posted by each listener thread. This means statedump will only + * be performed after the "registration done" command is received from + * each session daemon the application is connected to. + * + * This ensures we don't run into deadlock issues with the dynamic + * loader mutex, which is held while the constructor is called and + * waiting on the constructor semaphore. All operations requiring this + * dynamic loader lock need to be postponed using this mechanism. + */ +static +void handle_pending_statedump(struct sock_info *sock_info) +{ + int ctor_passed = sock_info->constructor_sem_posted; + + if (ctor_passed && sock_info->statedump_pending) { + sock_info->statedump_pending = 0; + pthread_mutex_lock(&ust_fork_mutex); + lttng_handle_pending_statedump(sock_info); + pthread_mutex_unlock(&ust_fork_mutex); + } +} + +static +int handle_message(struct sock_info *sock_info, + int sock, struct ustcomm_ust_msg *lum) +{ + int ret = 0; + const struct lttng_ust_objd_ops *ops; + struct ustcomm_ust_reply lur; + union ust_args args; + char ctxstr[LTTNG_UST_SYM_NAME_LEN]; /* App context string. */ + ssize_t len; + + memset(&lur, 0, sizeof(lur)); + + if (ust_lock()) { + ret = -LTTNG_UST_ERR_EXITING; + goto error; + } + + ops = objd_ops(lum->handle); + if (!ops) { + ret = -ENOENT; + goto error; + } + + switch (lum->cmd) { + case LTTNG_UST_REGISTER_DONE: + if (lum->handle == LTTNG_UST_ROOT_HANDLE) + ret = handle_register_done(sock_info); + else + ret = -EINVAL; + break; + case LTTNG_UST_RELEASE: + if (lum->handle == LTTNG_UST_ROOT_HANDLE) + ret = -EPERM; + else + ret = lttng_ust_objd_unref(lum->handle, 1); + break; + case LTTNG_UST_FILTER: + { + /* Receive filter data */ + struct lttng_ust_filter_bytecode_node *bytecode; + + if (lum->u.filter.data_size > FILTER_BYTECODE_MAX_LEN) { + ERR("Filter data size is too large: %u bytes", + lum->u.filter.data_size); + ret = -EINVAL; + goto error; + } + + if (lum->u.filter.reloc_offset > lum->u.filter.data_size) { + ERR("Filter reloc offset %u is not within data", + lum->u.filter.reloc_offset); + ret = -EINVAL; + goto error; + } + + bytecode = zmalloc(sizeof(*bytecode) + lum->u.filter.data_size); + if (!bytecode) { + ret = -ENOMEM; + goto error; + } + len = ustcomm_recv_unix_sock(sock, bytecode->bc.data, + lum->u.filter.data_size); + switch (len) { + case 0: /* orderly shutdown */ + ret = 0; + free(bytecode); + goto error; + default: + if (len == lum->u.filter.data_size) { + DBG("filter data received"); + break; + } else if (len < 0) { + DBG("Receive failed from lttng-sessiond with errno %d", (int) -len); + if (len == -ECONNRESET) { + ERR("%s remote end closed connection", sock_info->name); + ret = len; + free(bytecode); + goto error; + } + ret = len; + free(bytecode); + goto error; + } else { + DBG("incorrect filter data message size: %zd", len); + ret = -EINVAL; + free(bytecode); + goto error; + } + } + bytecode->bc.len = lum->u.filter.data_size; + bytecode->bc.reloc_offset = lum->u.filter.reloc_offset; + bytecode->bc.seqnum = lum->u.filter.seqnum; + if (ops->cmd) { + ret = ops->cmd(lum->handle, lum->cmd, + (unsigned long) bytecode, + &args, sock_info); + if (ret) { + free(bytecode); + } + /* don't free bytecode if everything went fine. */ + } else { + ret = -ENOSYS; + free(bytecode); + } + break; + } + case LTTNG_UST_EXCLUSION: + { + /* Receive exclusion names */ + struct lttng_ust_excluder_node *node; + unsigned int count; + + count = lum->u.exclusion.count; + if (count == 0) { + /* There are no names to read */ + ret = 0; + goto error; + } + node = zmalloc(sizeof(*node) + + count * LTTNG_UST_SYM_NAME_LEN); + if (!node) { + ret = -ENOMEM; + goto error; + } + node->excluder.count = count; + len = ustcomm_recv_unix_sock(sock, node->excluder.names, + count * LTTNG_UST_SYM_NAME_LEN); + switch (len) { + case 0: /* orderly shutdown */ + ret = 0; + free(node); + goto error; + default: + if (len == count * LTTNG_UST_SYM_NAME_LEN) { + DBG("Exclusion data received"); + break; + } else if (len < 0) { + DBG("Receive failed from lttng-sessiond with errno %d", (int) -len); + if (len == -ECONNRESET) { + ERR("%s remote end closed connection", sock_info->name); + ret = len; + free(node); + goto error; + } + ret = len; + free(node); + goto error; + } else { + DBG("Incorrect exclusion data message size: %zd", len); + ret = -EINVAL; + free(node); + goto error; + } + } + if (ops->cmd) { + ret = ops->cmd(lum->handle, lum->cmd, + (unsigned long) node, + &args, sock_info); + if (ret) { + free(node); + } + /* Don't free exclusion data if everything went fine. */ + } else { + ret = -ENOSYS; + free(node); + } + break; + } + case LTTNG_UST_CHANNEL: + { + void *chan_data; + int wakeup_fd; + + len = ustcomm_recv_channel_from_sessiond(sock, + &chan_data, lum->u.channel.len, + &wakeup_fd); + switch (len) { + case 0: /* orderly shutdown */ + ret = 0; + goto error; + default: + if (len == lum->u.channel.len) { + DBG("channel data received"); + break; + } else if (len < 0) { + DBG("Receive failed from lttng-sessiond with errno %d", (int) -len); + if (len == -ECONNRESET) { + ERR("%s remote end closed connection", sock_info->name); + ret = len; + goto error; + } + ret = len; + goto error; + } else { + DBG("incorrect channel data message size: %zd", len); + ret = -EINVAL; + goto error; + } + } + args.channel.chan_data = chan_data; + args.channel.wakeup_fd = wakeup_fd; + if (ops->cmd) + ret = ops->cmd(lum->handle, lum->cmd, + (unsigned long) &lum->u, + &args, sock_info); + else + ret = -ENOSYS; + break; + } + case LTTNG_UST_STREAM: + { + /* Receive shm_fd, wakeup_fd */ + ret = ustcomm_recv_stream_from_sessiond(sock, + &lum->u.stream.len, + &args.stream.shm_fd, + &args.stream.wakeup_fd); + if (ret) { + goto error; + } + if (ops->cmd) + ret = ops->cmd(lum->handle, lum->cmd, + (unsigned long) &lum->u, + &args, sock_info); + else + ret = -ENOSYS; + break; + } + case LTTNG_UST_CONTEXT: + switch (lum->u.context.ctx) { + case LTTNG_UST_CONTEXT_APP_CONTEXT: + { + char *p; + size_t ctxlen, recvlen; + + ctxlen = strlen("$app.") + lum->u.context.u.app_ctx.provider_name_len - 1 + + strlen(":") + lum->u.context.u.app_ctx.ctx_name_len; + if (ctxlen >= LTTNG_UST_SYM_NAME_LEN) { + ERR("Application context string length size is too large: %zu bytes", + ctxlen); + ret = -EINVAL; + goto error; + } + strcpy(ctxstr, "$app."); + p = &ctxstr[strlen("$app.")]; + recvlen = ctxlen - strlen("$app."); + len = ustcomm_recv_unix_sock(sock, p, recvlen); + switch (len) { + case 0: /* orderly shutdown */ + ret = 0; + goto error; + default: + if (len == recvlen) { + DBG("app context data received"); + break; + } else if (len < 0) { + DBG("Receive failed from lttng-sessiond with errno %d", (int) -len); + if (len == -ECONNRESET) { + ERR("%s remote end closed connection", sock_info->name); + ret = len; + goto error; + } + ret = len; + goto error; + } else { + DBG("incorrect app context data message size: %zd", len); + ret = -EINVAL; + goto error; + } + } + /* Put : between provider and ctxname. */ + p[lum->u.context.u.app_ctx.provider_name_len - 1] = ':'; + args.app_context.ctxname = ctxstr; + break; + } + default: + break; + } + if (ops->cmd) { + ret = ops->cmd(lum->handle, lum->cmd, + (unsigned long) &lum->u, + &args, sock_info); + } else { + ret = -ENOSYS; + } + break; + default: + if (ops->cmd) + ret = ops->cmd(lum->handle, lum->cmd, + (unsigned long) &lum->u, + &args, sock_info); + else + ret = -ENOSYS; + break; + } + + lur.handle = lum->handle; + lur.cmd = lum->cmd; + lur.ret_val = ret; + if (ret >= 0) { + lur.ret_code = LTTNG_UST_OK; + } else { + /* + * Use -LTTNG_UST_ERR as wildcard for UST internal + * error that are not caused by the transport, except if + * we already have a more precise error message to + * report. + */ + if (ret > -LTTNG_UST_ERR) { + /* Translate code to UST error. */ + switch (ret) { + case -EEXIST: + lur.ret_code = -LTTNG_UST_ERR_EXIST; + break; + case -EINVAL: + lur.ret_code = -LTTNG_UST_ERR_INVAL; + break; + case -ENOENT: + lur.ret_code = -LTTNG_UST_ERR_NOENT; + break; + case -EPERM: + lur.ret_code = -LTTNG_UST_ERR_PERM; + break; + case -ENOSYS: + lur.ret_code = -LTTNG_UST_ERR_NOSYS; + break; + default: + lur.ret_code = -LTTNG_UST_ERR; + break; + } + } else { + lur.ret_code = ret; + } + } + if (ret >= 0) { + switch (lum->cmd) { + case LTTNG_UST_TRACER_VERSION: + lur.u.version = lum->u.version; + break; + case LTTNG_UST_TRACEPOINT_LIST_GET: + memcpy(&lur.u.tracepoint, &lum->u.tracepoint, sizeof(lur.u.tracepoint)); + break; + } + } + DBG("Return value: %d", lur.ret_val); + ret = send_reply(sock, &lur); + if (ret < 0) { + DBG("error sending reply"); + goto error; + } + + /* + * LTTNG_UST_TRACEPOINT_FIELD_LIST_GET needs to send the field + * after the reply. + */ + if (lur.ret_code == LTTNG_UST_OK) { + switch (lum->cmd) { + case LTTNG_UST_TRACEPOINT_FIELD_LIST_GET: + len = ustcomm_send_unix_sock(sock, + &args.field_list.entry, + sizeof(args.field_list.entry)); + if (len < 0) { + ret = len; + goto error; + } + if (len != sizeof(args.field_list.entry)) { + ret = -EINVAL; + goto error; + } + } + } + +error: + ust_unlock(); + + /* + * Performed delayed statedump operations outside of the UST + * lock. We need to take the dynamic loader lock before we take + * the UST lock internally within handle_pending_statedump(). + */ + handle_pending_statedump(sock_info); + + return ret; +} + +static +void cleanup_sock_info(struct sock_info *sock_info, int exiting) +{ + int ret; + + if (sock_info->root_handle != -1) { + ret = lttng_ust_objd_unref(sock_info->root_handle, 1); + if (ret) { + ERR("Error unref root handle"); + } + sock_info->root_handle = -1; + } + sock_info->constructor_sem_posted = 0; + + /* + * wait_shm_mmap, socket and notify socket are used by listener + * threads outside of the ust lock, so we cannot tear them down + * ourselves, because we cannot join on these threads. Leave + * responsibility of cleaning up these resources to the OS + * process exit. + */ + if (exiting) + return; + + if (sock_info->socket != -1) { + ret = ustcomm_close_unix_sock(sock_info->socket); + if (ret) { + ERR("Error closing ust cmd socket"); + } + sock_info->socket = -1; + } + if (sock_info->notify_socket != -1) { + ret = ustcomm_close_unix_sock(sock_info->notify_socket); + if (ret) { + ERR("Error closing ust notify socket"); + } + sock_info->notify_socket = -1; + } + if (sock_info->wait_shm_mmap) { + long page_size; + + page_size = sysconf(_SC_PAGE_SIZE); + if (page_size <= 0) { + if (!page_size) { + errno = EINVAL; + } + PERROR("Error in sysconf(_SC_PAGE_SIZE)"); + } else { + ret = munmap(sock_info->wait_shm_mmap, page_size); + if (ret) { + ERR("Error unmapping wait shm"); + } + } + sock_info->wait_shm_mmap = NULL; + } +} + +/* + * Using fork to set umask in the child process (not multi-thread safe). + * We deal with the shm_open vs ftruncate race (happening when the + * sessiond owns the shm and does not let everybody modify it, to ensure + * safety against shm_unlink) by simply letting the mmap fail and + * retrying after a few seconds. + * For global shm, everybody has rw access to it until the sessiond + * starts. + */ +static +int get_wait_shm(struct sock_info *sock_info, size_t mmap_size) +{ + int wait_shm_fd, ret; + pid_t pid; + + /* + * Try to open read-only. + */ + wait_shm_fd = shm_open(sock_info->wait_shm_path, O_RDONLY, 0); + if (wait_shm_fd >= 0) { + int32_t tmp_read; + ssize_t len; + size_t bytes_read = 0; + + /* + * Try to read the fd. If unable to do so, try opening + * it in write mode. + */ + do { + len = read(wait_shm_fd, + &((char *) &tmp_read)[bytes_read], + sizeof(tmp_read) - bytes_read); + if (len > 0) { + bytes_read += len; + } + } while ((len < 0 && errno == EINTR) + || (len > 0 && bytes_read < sizeof(tmp_read))); + if (bytes_read != sizeof(tmp_read)) { + ret = close(wait_shm_fd); + if (ret) { + ERR("close wait_shm_fd"); + } + goto open_write; + } + goto end; + } else if (wait_shm_fd < 0 && errno != ENOENT) { + /* + * Real-only open did not work, and it's not because the + * entry was not present. It's a failure that prohibits + * using shm. + */ + ERR("Error opening shm %s", sock_info->wait_shm_path); + goto end; + } + +open_write: + /* + * If the open failed because the file did not exist, or because + * the file was not truncated yet, try creating it ourself. + */ + URCU_TLS(lttng_ust_nest_count)++; + pid = fork(); + URCU_TLS(lttng_ust_nest_count)--; + if (pid > 0) { + int status; + + /* + * Parent: wait for child to return, in which case the + * shared memory map will have been created. + */ + pid = wait(&status); + if (pid < 0 || !WIFEXITED(status) || WEXITSTATUS(status) != 0) { + wait_shm_fd = -1; + goto end; + } + /* + * Try to open read-only again after creation. + */ + wait_shm_fd = shm_open(sock_info->wait_shm_path, O_RDONLY, 0); + if (wait_shm_fd < 0) { + /* + * Real-only open did not work. It's a failure + * that prohibits using shm. + */ + ERR("Error opening shm %s", sock_info->wait_shm_path); + goto end; + } + goto end; + } else if (pid == 0) { + int create_mode; + + /* Child */ + create_mode = S_IRUSR | S_IWUSR | S_IRGRP; + if (sock_info->global) + create_mode |= S_IROTH | S_IWGRP | S_IWOTH; + /* + * We're alone in a child process, so we can modify the + * process-wide umask. + */ + umask(~create_mode); + /* + * Try creating shm (or get rw access). + * We don't do an exclusive open, because we allow other + * processes to create+ftruncate it concurrently. + */ + wait_shm_fd = shm_open(sock_info->wait_shm_path, + O_RDWR | O_CREAT, create_mode); + if (wait_shm_fd >= 0) { + ret = ftruncate(wait_shm_fd, mmap_size); + if (ret) { + PERROR("ftruncate"); + _exit(EXIT_FAILURE); + } + _exit(EXIT_SUCCESS); + } + /* + * For local shm, we need to have rw access to accept + * opening it: this means the local sessiond will be + * able to wake us up. For global shm, we open it even + * if rw access is not granted, because the root.root + * sessiond will be able to override all rights and wake + * us up. + */ + if (!sock_info->global && errno != EACCES) { + ERR("Error opening shm %s", sock_info->wait_shm_path); + _exit(EXIT_FAILURE); + } + /* + * The shm exists, but we cannot open it RW. Report + * success. + */ + _exit(EXIT_SUCCESS); + } else { + return -1; + } +end: + if (wait_shm_fd >= 0 && !sock_info->global) { + struct stat statbuf; + + /* + * Ensure that our user is the owner of the shm file for + * local shm. If we do not own the file, it means our + * sessiond will not have access to wake us up (there is + * probably a rogue process trying to fake our + * sessiond). Fallback to polling method in this case. + */ + ret = fstat(wait_shm_fd, &statbuf); + if (ret) { + PERROR("fstat"); + goto error_close; + } + if (statbuf.st_uid != getuid()) + goto error_close; + } + return wait_shm_fd; + +error_close: + ret = close(wait_shm_fd); + if (ret) { + PERROR("Error closing fd"); + } + return -1; +} + +static +char *get_map_shm(struct sock_info *sock_info) +{ + long page_size; + int wait_shm_fd, ret; + char *wait_shm_mmap; + + page_size = sysconf(_SC_PAGE_SIZE); + if (page_size <= 0) { + if (!page_size) { + errno = EINVAL; + } + PERROR("Error in sysconf(_SC_PAGE_SIZE)"); + goto error; + } + + wait_shm_fd = get_wait_shm(sock_info, page_size); + if (wait_shm_fd < 0) { + goto error; + } + wait_shm_mmap = mmap(NULL, page_size, PROT_READ, + MAP_SHARED, wait_shm_fd, 0); + /* close shm fd immediately after taking the mmap reference */ + ret = close(wait_shm_fd); + if (ret) { + PERROR("Error closing fd"); + } + if (wait_shm_mmap == MAP_FAILED) { + DBG("mmap error (can be caused by race with sessiond). Fallback to poll mode."); + goto error; + } + return wait_shm_mmap; + +error: + return NULL; +} + +static +void wait_for_sessiond(struct sock_info *sock_info) +{ + if (ust_lock()) { + goto quit; + } + if (wait_poll_fallback) { + goto error; + } + if (!sock_info->wait_shm_mmap) { + sock_info->wait_shm_mmap = get_map_shm(sock_info); + if (!sock_info->wait_shm_mmap) + goto error; + } + ust_unlock(); + + DBG("Waiting for %s apps sessiond", sock_info->name); + /* Wait for futex wakeup */ + if (uatomic_read((int32_t *) sock_info->wait_shm_mmap)) + goto end_wait; + + while (futex_async((int32_t *) sock_info->wait_shm_mmap, + FUTEX_WAIT, 0, NULL, NULL, 0)) { + switch (errno) { + case EWOULDBLOCK: + /* Value already changed. */ + goto end_wait; + case EINTR: + /* Retry if interrupted by signal. */ + break; /* Get out of switch. */ + case EFAULT: + wait_poll_fallback = 1; + DBG( +"Linux kernels 2.6.33 to 3.0 (with the exception of stable versions) " +"do not support FUTEX_WAKE on read-only memory mappings correctly. " +"Please upgrade your kernel " +"(fix is commit 9ea71503a8ed9184d2d0b8ccc4d269d05f7940ae in Linux kernel " +"mainline). LTTng-UST will use polling mode fallback."); + if (ust_debug()) + PERROR("futex"); + goto end_wait; + } + } +end_wait: + return; + +quit: + ust_unlock(); + return; + +error: + ust_unlock(); + return; +} + +/* + * This thread does not allocate any resource, except within + * handle_message, within mutex protection. This mutex protects against + * fork and exit. + * The other moment it allocates resources is at socket connection, which + * is also protected by the mutex. + */ +static +void *ust_listener_thread(void *arg) +{ + struct sock_info *sock_info = arg; + int sock, ret, prev_connect_failed = 0, has_waited = 0; + long timeout; + + /* Restart trying to connect to the session daemon */ +restart: + if (prev_connect_failed) { + /* Wait for sessiond availability with pipe */ + wait_for_sessiond(sock_info); + if (has_waited) { + has_waited = 0; + /* + * Sleep for 5 seconds before retrying after a + * sequence of failure / wait / failure. This + * deals with a killed or broken session daemon. + */ + sleep(5); + } else { + has_waited = 1; + } + prev_connect_failed = 0; + } + + if (sock_info->socket != -1) { + ret = ustcomm_close_unix_sock(sock_info->socket); + if (ret) { + ERR("Error closing %s ust cmd socket", + sock_info->name); + } + sock_info->socket = -1; + } + if (sock_info->notify_socket != -1) { + ret = ustcomm_close_unix_sock(sock_info->notify_socket); + if (ret) { + ERR("Error closing %s ust notify socket", + sock_info->name); + } + sock_info->notify_socket = -1; + } + + /* + * Register. We need to perform both connect and sending + * registration message before doing the next connect otherwise + * we may reach unix socket connect queue max limits and block + * on the 2nd connect while the session daemon is awaiting the + * first connect registration message. + */ + /* Connect cmd socket */ + ret = ustcomm_connect_unix_sock(sock_info->sock_path); + if (ret < 0) { + DBG("Info: sessiond not accepting connections to %s apps socket", sock_info->name); + prev_connect_failed = 1; + + if (ust_lock()) { + goto quit; + } + + /* + * If we cannot find the sessiond daemon, don't delay + * constructor execution. + */ + ret = handle_register_done(sock_info); + assert(!ret); + ust_unlock(); + goto restart; + } + sock_info->socket = ret; + + if (ust_lock()) { + goto quit; + } + + /* + * Create only one root handle per listener thread for the whole + * process lifetime, so we ensure we get ID which is statically + * assigned to the root handle. + */ + if (sock_info->root_handle == -1) { + ret = lttng_abi_create_root_handle(); + if (ret < 0) { + ERR("Error creating root handle"); + goto quit; + } + sock_info->root_handle = ret; + } + + ret = register_to_sessiond(sock_info->socket, USTCTL_SOCKET_CMD); + if (ret < 0) { + ERR("Error registering to %s ust cmd socket", + sock_info->name); + prev_connect_failed = 1; + /* + * If we cannot register to the sessiond daemon, don't + * delay constructor execution. + */ + ret = handle_register_done(sock_info); + assert(!ret); + ust_unlock(); + goto restart; + } + + ust_unlock(); + + /* Connect notify socket */ + ret = ustcomm_connect_unix_sock(sock_info->sock_path); + if (ret < 0) { + DBG("Info: sessiond not accepting connections to %s apps socket", sock_info->name); + prev_connect_failed = 1; + + if (ust_lock()) { + goto quit; + } + + /* + * If we cannot find the sessiond daemon, don't delay + * constructor execution. + */ + ret = handle_register_done(sock_info); + assert(!ret); + ust_unlock(); + goto restart; + } + sock_info->notify_socket = ret; + + timeout = get_notify_sock_timeout(); + if (timeout >= 0) { + /* + * Give at least 10ms to sessiond to reply to + * notifications. + */ + if (timeout < 10) + timeout = 10; + ret = ustcomm_setsockopt_rcv_timeout(sock_info->notify_socket, + timeout); + if (ret < 0) { + WARN("Error setting socket receive timeout"); + } + ret = ustcomm_setsockopt_snd_timeout(sock_info->notify_socket, + timeout); + if (ret < 0) { + WARN("Error setting socket send timeout"); + } + } else if (timeout < -1) { + WARN("Unsupported timeout value %ld", timeout); + } + + if (ust_lock()) { + goto quit; + } + + ret = register_to_sessiond(sock_info->notify_socket, + USTCTL_SOCKET_NOTIFY); + if (ret < 0) { + ERR("Error registering to %s ust notify socket", + sock_info->name); + prev_connect_failed = 1; + /* + * If we cannot register to the sessiond daemon, don't + * delay constructor execution. + */ + ret = handle_register_done(sock_info); + assert(!ret); + ust_unlock(); + goto restart; + } + sock = sock_info->socket; + + ust_unlock(); + + for (;;) { + ssize_t len; + struct ustcomm_ust_msg lum; + + len = ustcomm_recv_unix_sock(sock, &lum, sizeof(lum)); + switch (len) { + case 0: /* orderly shutdown */ + DBG("%s lttng-sessiond has performed an orderly shutdown", sock_info->name); + if (ust_lock()) { + goto quit; + } + /* + * Either sessiond has shutdown or refused us by closing the socket. + * In either case, we don't want to delay construction execution, + * and we need to wait before retry. + */ + prev_connect_failed = 1; + /* + * If we cannot register to the sessiond daemon, don't + * delay constructor execution. + */ + ret = handle_register_done(sock_info); + assert(!ret); + ust_unlock(); + goto end; + case sizeof(lum): + print_cmd(lum.cmd, lum.handle); + ret = handle_message(sock_info, sock, &lum); + if (ret) { + ERR("Error handling message for %s socket", + sock_info->name); + /* + * Close socket if protocol error is + * detected. + */ + goto end; + } + continue; + default: + if (len < 0) { + DBG("Receive failed from lttng-sessiond with errno %d", (int) -len); + } else { + DBG("incorrect message size (%s socket): %zd", sock_info->name, len); + } + if (len == -ECONNRESET) { + DBG("%s remote end closed connection", sock_info->name); + goto end; + } + goto end; + } + + } +end: + if (ust_lock()) { + goto quit; + } + /* Cleanup socket handles before trying to reconnect */ + lttng_ust_objd_table_owner_cleanup(sock_info); + ust_unlock(); + goto restart; /* try to reconnect */ + +quit: + ust_unlock(); + + pthread_mutex_lock(&ust_exit_mutex); + sock_info->thread_active = 0; + pthread_mutex_unlock(&ust_exit_mutex); + return NULL; +} + +/* + * Weak symbol to call when the ust malloc wrapper is not loaded. + */ +__attribute__((weak)) +void lttng_ust_malloc_wrapper_init(void) +{ +} + +/* + * sessiond monitoring thread: monitor presence of global and per-user + * sessiond by polling the application common named pipe. + */ +void __attribute__((constructor)) lttng_ust_init(void) +{ + struct timespec constructor_timeout; + sigset_t sig_all_blocked, orig_parent_mask; + pthread_attr_t thread_attr; + int timeout_mode; + int ret; + + if (uatomic_xchg(&initialized, 1) == 1) + return; + + /* + * Fixup interdependency between TLS fixup mutex (which happens + * to be the dynamic linker mutex) and ust_lock, taken within + * the ust lock. + */ + lttng_fixup_urcu_bp_tls(); + lttng_fixup_ringbuffer_tls(); + lttng_fixup_vtid_tls(); + lttng_fixup_nest_count_tls(); + lttng_fixup_procname_tls(); + lttng_fixup_ust_mutex_nest_tls(); + + /* + * We want precise control over the order in which we construct + * our sub-libraries vs starting to receive commands from + * sessiond (otherwise leading to errors when trying to create + * sessiond before the init functions are completed). + */ + init_usterr(); + init_tracepoint(); + lttng_ust_clock_init(); + lttng_ust_getcpu_init(); + lttng_ust_statedump_init(); + lttng_ring_buffer_metadata_client_init(); + lttng_ring_buffer_client_overwrite_init(); + lttng_ring_buffer_client_overwrite_rt_init(); + lttng_ring_buffer_client_discard_init(); + lttng_ring_buffer_client_discard_rt_init(); + lttng_perf_counter_init(); + /* + * Invoke ust malloc wrapper init before starting other threads. + */ + lttng_ust_malloc_wrapper_init(); + + timeout_mode = get_constructor_timeout(&constructor_timeout); + + ret = sem_init(&constructor_wait, 0, 0); + if (ret) { + PERROR("sem_init"); + } + + ret = setup_local_apps(); + if (ret) { + DBG("local apps setup returned %d", ret); + } + + /* A new thread created by pthread_create inherits the signal mask + * from the parent. To avoid any signal being received by the + * listener thread, we block all signals temporarily in the parent, + * while we create the listener thread. + */ + sigfillset(&sig_all_blocked); + ret = pthread_sigmask(SIG_SETMASK, &sig_all_blocked, &orig_parent_mask); + if (ret) { + ERR("pthread_sigmask: %s", strerror(ret)); + } + + ret = pthread_attr_init(&thread_attr); + if (ret) { + ERR("pthread_attr_init: %s", strerror(ret)); + } + ret = pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED); + if (ret) { + ERR("pthread_attr_setdetachstate: %s", strerror(ret)); + } + + pthread_mutex_lock(&ust_exit_mutex); + ret = pthread_create(&global_apps.ust_listener, &thread_attr, + ust_listener_thread, &global_apps); + if (ret) { + ERR("pthread_create global: %s", strerror(ret)); + } + global_apps.thread_active = 1; + pthread_mutex_unlock(&ust_exit_mutex); + + if (local_apps.allowed) { + pthread_mutex_lock(&ust_exit_mutex); + ret = pthread_create(&local_apps.ust_listener, &thread_attr, + ust_listener_thread, &local_apps); + if (ret) { + ERR("pthread_create local: %s", strerror(ret)); + } + local_apps.thread_active = 1; + pthread_mutex_unlock(&ust_exit_mutex); + } else { + handle_register_done(&local_apps); + } + ret = pthread_attr_destroy(&thread_attr); + if (ret) { + ERR("pthread_attr_destroy: %s", strerror(ret)); + } + + /* Restore original signal mask in parent */ + ret = pthread_sigmask(SIG_SETMASK, &orig_parent_mask, NULL); + if (ret) { + ERR("pthread_sigmask: %s", strerror(ret)); + } + + switch (timeout_mode) { + case 1: /* timeout wait */ + do { + ret = sem_timedwait(&constructor_wait, + &constructor_timeout); + } while (ret < 0 && errno == EINTR); + if (ret < 0) { + switch (errno) { + case ETIMEDOUT: + ERR("Timed out waiting for lttng-sessiond"); + break; + case EINVAL: + PERROR("sem_timedwait"); + break; + default: + ERR("Unexpected error \"%s\" returned by sem_timedwait", + strerror(errno)); + } + } + break; + case -1:/* wait forever */ + do { + ret = sem_wait(&constructor_wait); + } while (ret < 0 && errno == EINTR); + if (ret < 0) { + switch (errno) { + case EINVAL: + PERROR("sem_wait"); + break; + default: + ERR("Unexpected error \"%s\" returned by sem_wait", + strerror(errno)); + } + } + break; + case 0: /* no timeout */ + break; + } +} + +static +void lttng_ust_cleanup(int exiting) +{ + cleanup_sock_info(&global_apps, exiting); + cleanup_sock_info(&local_apps, exiting); + /* + * The teardown in this function all affect data structures + * accessed under the UST lock by the listener thread. This + * lock, along with the lttng_ust_comm_should_quit flag, ensure + * that none of these threads are accessing this data at this + * point. + */ + lttng_ust_abi_exit(); + lttng_ust_events_exit(); + lttng_perf_counter_exit(); + lttng_ring_buffer_client_discard_rt_exit(); + lttng_ring_buffer_client_discard_exit(); + lttng_ring_buffer_client_overwrite_rt_exit(); + lttng_ring_buffer_client_overwrite_exit(); + lttng_ring_buffer_metadata_client_exit(); + lttng_ust_statedump_destroy(); + exit_tracepoint(); + if (!exiting) { + /* Reinitialize values for fork */ + sem_count = 2; + lttng_ust_comm_should_quit = 0; + initialized = 0; + } +} + +void __attribute__((destructor)) lttng_ust_exit(void) +{ + int ret; + + /* + * Using pthread_cancel here because: + * A) we don't want to hang application teardown. + * B) the thread is not allocating any resource. + */ + + /* + * Require the communication thread to quit. Synchronize with + * mutexes to ensure it is not in a mutex critical section when + * pthread_cancel is later called. + */ + ust_lock_nocheck(); + lttng_ust_comm_should_quit = 1; + ust_unlock(); + + pthread_mutex_lock(&ust_exit_mutex); + /* cancel threads */ + if (global_apps.thread_active) { + ret = pthread_cancel(global_apps.ust_listener); + if (ret) { + ERR("Error cancelling global ust listener thread: %s", + strerror(ret)); + } else { + global_apps.thread_active = 0; + } + } + if (local_apps.thread_active) { + ret = pthread_cancel(local_apps.ust_listener); + if (ret) { + ERR("Error cancelling local ust listener thread: %s", + strerror(ret)); + } else { + local_apps.thread_active = 0; + } + } + pthread_mutex_unlock(&ust_exit_mutex); + + /* + * Do NOT join threads: use of sys_futex makes it impossible to + * join the threads without using async-cancel, but async-cancel + * is delivered by a signal, which could hit the target thread + * anywhere in its code path, including while the ust_lock() is + * held, causing a deadlock for the other thread. Let the OS + * cleanup the threads if there are stalled in a syscall. + */ + lttng_ust_cleanup(1); +} + +/* + * We exclude the worker threads across fork and clone (except + * CLONE_VM), because these system calls only keep the forking thread + * running in the child. Therefore, we don't want to call fork or clone + * in the middle of an tracepoint or ust tracing state modification. + * Holding this mutex protects these structures across fork and clone. + */ +void ust_before_fork(sigset_t *save_sigset) +{ + /* + * Disable signals. This is to avoid that the child intervenes + * before it is properly setup for tracing. It is safer to + * disable all signals, because then we know we are not breaking + * anything by restoring the original mask. + */ + sigset_t all_sigs; + int ret; + + if (URCU_TLS(lttng_ust_nest_count)) + return; + /* Disable signals */ + sigfillset(&all_sigs); + ret = sigprocmask(SIG_BLOCK, &all_sigs, save_sigset); + if (ret == -1) { + PERROR("sigprocmask"); + } + + pthread_mutex_lock(&ust_fork_mutex); + + ust_lock_nocheck(); + rcu_bp_before_fork(); +} + +static void ust_after_fork_common(sigset_t *restore_sigset) +{ + int ret; + + DBG("process %d", getpid()); + ust_unlock(); + + pthread_mutex_unlock(&ust_fork_mutex); + + /* Restore signals */ + ret = sigprocmask(SIG_SETMASK, restore_sigset, NULL); + if (ret == -1) { + PERROR("sigprocmask"); + } +} + +void ust_after_fork_parent(sigset_t *restore_sigset) +{ + if (URCU_TLS(lttng_ust_nest_count)) + return; + DBG("process %d", getpid()); + rcu_bp_after_fork_parent(); + /* Release mutexes and reenable signals */ + ust_after_fork_common(restore_sigset); +} + +/* + * After fork, in the child, we need to cleanup all the leftover state, + * except the worker thread which already magically disappeared thanks + * to the weird Linux fork semantics. After tyding up, we call + * lttng_ust_init() again to start over as a new PID. + * + * This is meant for forks() that have tracing in the child between the + * fork and following exec call (if there is any). + */ +void ust_after_fork_child(sigset_t *restore_sigset) +{ + if (URCU_TLS(lttng_ust_nest_count)) + return; + DBG("process %d", getpid()); + /* Release urcu mutexes */ + rcu_bp_after_fork_child(); + lttng_ust_cleanup(0); + lttng_context_vtid_reset(); + /* Release mutexes and reenable signals */ + ust_after_fork_common(restore_sigset); + lttng_ust_init(); +} + +void lttng_ust_sockinfo_session_enabled(void *owner) +{ + struct sock_info *sock_info = owner; + sock_info->statedump_pending = 1; +} diff --git a/liblttng-ust/lttng-ust-dynamic-type.c b/liblttng-ust/lttng-ust-dynamic-type.c new file mode 100644 index 0000000..488cf81 --- /dev/null +++ b/liblttng-ust/lttng-ust-dynamic-type.c @@ -0,0 +1,169 @@ +/* + * lttng-ust-dynamic-type.c + * + * UST dynamic type implementation. + * + * Copyright (C) 2016 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include +#include +#include +#include + +#include +#include + +#define ctf_enum_value(_string, _value) \ + { \ + .start = { \ + .signedness = lttng_is_signed_type(__typeof__(_value)), \ + .value = lttng_is_signed_type(__typeof__(_value)) ? \ + (long long) (_value) : (_value), \ + }, \ + .end = { \ + .signedness = lttng_is_signed_type(__typeof__(_value)), \ + .value = lttng_is_signed_type(__typeof__(_value)) ? \ + (long long) (_value) : (_value), \ + }, \ + .string = (_string), \ + }, + +static const struct lttng_enum_entry dt_enum[_NR_LTTNG_UST_DYNAMIC_TYPES] = { + [LTTNG_UST_DYNAMIC_TYPE_NONE] = ctf_enum_value("_none", 0) + [LTTNG_UST_DYNAMIC_TYPE_S8] = ctf_enum_value("_int8", 1) + [LTTNG_UST_DYNAMIC_TYPE_S16] = ctf_enum_value("_int16", 2) + [LTTNG_UST_DYNAMIC_TYPE_S32] = ctf_enum_value("_int32", 3) + [LTTNG_UST_DYNAMIC_TYPE_S64] = ctf_enum_value("_int64", 4) + [LTTNG_UST_DYNAMIC_TYPE_U8] = ctf_enum_value("_uint8", 5) + [LTTNG_UST_DYNAMIC_TYPE_U16] = ctf_enum_value("_uint16", 6) + [LTTNG_UST_DYNAMIC_TYPE_U32] = ctf_enum_value("_uint32", 7) + [LTTNG_UST_DYNAMIC_TYPE_U64] = ctf_enum_value("_uint64", 8) + [LTTNG_UST_DYNAMIC_TYPE_FLOAT] = ctf_enum_value("_float", 9) + [LTTNG_UST_DYNAMIC_TYPE_DOUBLE] = ctf_enum_value("_double", 10) + [LTTNG_UST_DYNAMIC_TYPE_STRING] = ctf_enum_value("_string", 11) +}; + +static const struct lttng_enum_desc dt_enum_desc = { + .name = "dynamic_type_enum", + .entries = dt_enum, + .nr_entries = LTTNG_ARRAY_SIZE(dt_enum), +}; + +const struct lttng_event_field dt_var_fields[_NR_LTTNG_UST_DYNAMIC_TYPES] = { + [LTTNG_UST_DYNAMIC_TYPE_NONE] = { + .name = "none", + .type = { + .atype = atype_struct, + .u._struct.nr_fields = 0, /* empty struct. */ + }, + .nowrite = 0, + }, + [LTTNG_UST_DYNAMIC_TYPE_S8] = { + .name = "int8", + .type = __type_integer(int8_t, BYTE_ORDER, 10, none), + .nowrite = 0, + }, + [LTTNG_UST_DYNAMIC_TYPE_S16] = { + .name = "int16", + .type = __type_integer(int16_t, BYTE_ORDER, 10, none), + .nowrite = 0, + }, + [LTTNG_UST_DYNAMIC_TYPE_S32] = { + .name = "int32", + .type = __type_integer(int32_t, BYTE_ORDER, 10, none), + .nowrite = 0, + }, + [LTTNG_UST_DYNAMIC_TYPE_S64] = { + .name = "int64", + .type = __type_integer(int64_t, BYTE_ORDER, 10, none), + .nowrite = 0, + }, + [LTTNG_UST_DYNAMIC_TYPE_U8] = { + .name = "uint8", + .type = __type_integer(uint8_t, BYTE_ORDER, 10, none), + .nowrite = 0, + }, + [LTTNG_UST_DYNAMIC_TYPE_U16] = { + .name = "uint16", + .type = __type_integer(uint16_t, BYTE_ORDER, 10, none), + .nowrite = 0, + }, + [LTTNG_UST_DYNAMIC_TYPE_U32] = { + .name = "uint32", + .type = __type_integer(uint32_t, BYTE_ORDER, 10, none), + .nowrite = 0, + }, + [LTTNG_UST_DYNAMIC_TYPE_U64] = { + .name = "uint64", + .type = __type_integer(uint64_t, BYTE_ORDER, 10, none), + .nowrite = 0, + }, + [LTTNG_UST_DYNAMIC_TYPE_FLOAT] = { + .name = "float", + .type = __type_float(float), + .nowrite = 0, + }, + [LTTNG_UST_DYNAMIC_TYPE_DOUBLE] = { + .name = "double", + .type = __type_float(double), + .nowrite = 0, + }, + [LTTNG_UST_DYNAMIC_TYPE_STRING] = { + .name = "string", + .type = { + .atype = atype_string, + .u.basic.string.encoding = lttng_encode_UTF8, + }, + .nowrite = 0, + }, +}; + +static const struct lttng_event_field dt_enum_field = { + .name = NULL, + .type.atype = atype_enum, + .type.u.basic.enumeration.desc = &dt_enum_desc, + .type.u.basic.enumeration.container_type = { + .size = sizeof(char) * CHAR_BIT, + .alignment = lttng_alignof(char) * CHAR_BIT, + .signedness = lttng_is_signed_type(char), + .reverse_byte_order = 0, + .base = 10, + .encoding = lttng_encode_none, + }, + .nowrite = 0, +}; + +const struct lttng_event_field *lttng_ust_dynamic_type_field(int64_t value) +{ + if (value >= _NR_LTTNG_UST_DYNAMIC_TYPES || value < 0) + return NULL; + return &dt_var_fields[value]; +} + +int lttng_ust_dynamic_type_choices(size_t *nr_choices, const struct lttng_event_field **choices) +{ + *nr_choices = _NR_LTTNG_UST_DYNAMIC_TYPES; + *choices = dt_var_fields; + return 0; +} + +const struct lttng_event_field *lttng_ust_dynamic_type_tag_field(void) +{ + return &dt_enum_field; +} diff --git a/liblttng-ust/lttng-ust-elf.c b/liblttng-ust/lttng-ust-elf.c new file mode 100644 index 0000000..5f27920 --- /dev/null +++ b/liblttng-ust/lttng-ust-elf.c @@ -0,0 +1,685 @@ +/* + * Copyright (C) 2015 Antoine Busque + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include +#include +#include "lttng-tracer-core.h" + +#define BUF_LEN 4096 + +/* + * Retrieve the nth (where n is the `index` argument) phdr (program + * header) from the given elf instance. + * + * A pointer to the phdr is returned on success, NULL on failure. + */ +static +struct lttng_ust_elf_phdr *lttng_ust_elf_get_phdr(struct lttng_ust_elf *elf, + uint16_t index) +{ + struct lttng_ust_elf_phdr *phdr = NULL; + off_t offset; + + if (!elf) { + goto error; + } + + if (index >= elf->ehdr->e_phnum) { + goto error; + } + + phdr = zmalloc(sizeof(struct lttng_ust_elf_phdr)); + if (!phdr) { + goto error; + } + + offset = (off_t) elf->ehdr->e_phoff + + (off_t) index * elf->ehdr->e_phentsize; + if (lseek(elf->fd, offset, SEEK_SET) < 0) { + goto error; + } + + if (is_elf_32_bit(elf)) { + Elf32_Phdr elf_phdr; + + if (lttng_ust_read(elf->fd, &elf_phdr, sizeof(elf_phdr)) + < sizeof(elf_phdr)) { + goto error; + } + if (!is_elf_native_endian(elf)) { + bswap_phdr(elf_phdr); + } + copy_phdr(elf_phdr, *phdr); + } else { + Elf64_Phdr elf_phdr; + + if (lttng_ust_read(elf->fd, &elf_phdr, sizeof(elf_phdr)) + < sizeof(elf_phdr)) { + goto error; + } + if (!is_elf_native_endian(elf)) { + bswap_phdr(elf_phdr); + } + copy_phdr(elf_phdr, *phdr); + } + + return phdr; + +error: + free(phdr); + return NULL; +} + +/* + * Retrieve the nth (where n is the `index` argument) shdr (section + * header) from the given elf instance. + * + * A pointer to the shdr is returned on success, NULL on failure. + */ +static +struct lttng_ust_elf_shdr *lttng_ust_elf_get_shdr(struct lttng_ust_elf *elf, + uint16_t index) +{ + struct lttng_ust_elf_shdr *shdr = NULL; + off_t offset; + + if (!elf) { + goto error; + } + + if (index >= elf->ehdr->e_shnum) { + goto error; + } + + shdr = zmalloc(sizeof(struct lttng_ust_elf_shdr)); + if (!shdr) { + goto error; + } + + offset = (off_t) elf->ehdr->e_shoff + + (off_t) index * elf->ehdr->e_shentsize; + if (lseek(elf->fd, offset, SEEK_SET) < 0) { + goto error; + } + + if (is_elf_32_bit(elf)) { + Elf32_Shdr elf_shdr; + + if (lttng_ust_read(elf->fd, &elf_shdr, sizeof(elf_shdr)) + < sizeof(elf_shdr)) { + goto error; + } + if (!is_elf_native_endian(elf)) { + bswap_shdr(elf_shdr); + } + copy_shdr(elf_shdr, *shdr); + } else { + Elf64_Shdr elf_shdr; + + if (lttng_ust_read(elf->fd, &elf_shdr, sizeof(elf_shdr)) + < sizeof(elf_shdr)) { + goto error; + } + if (!is_elf_native_endian(elf)) { + bswap_shdr(elf_shdr); + } + copy_shdr(elf_shdr, *shdr); + } + + return shdr; + +error: + free(shdr); + return NULL; +} + +/* + * Lookup a section's name from a given offset (usually from an shdr's + * sh_name value) in bytes relative to the beginning of the section + * names string table. + * + * If no name is found, NULL is returned. + */ +static +char *lttng_ust_elf_get_section_name(struct lttng_ust_elf *elf, off_t offset) +{ + char *name = NULL; + size_t len = 0, to_read; /* len does not include \0 */ + + if (!elf) { + goto error; + } + + if (offset >= elf->section_names_size) { + goto error; + } + + if (lseek(elf->fd, elf->section_names_offset + offset, SEEK_SET) < 0) { + goto error; + } + + to_read = elf->section_names_size - offset; + + /* Find first \0 after or at current location, remember len. */ + for (;;) { + char buf[BUF_LEN]; + ssize_t read_len; + size_t i; + + if (!to_read) { + goto error; + } + read_len = lttng_ust_read(elf->fd, buf, + min_t(size_t, BUF_LEN, to_read)); + if (read_len <= 0) { + goto error; + } + for (i = 0; i < read_len; i++) { + if (buf[i] == '\0') { + len += i; + goto end; + } + } + len += read_len; + to_read -= read_len; + } +end: + name = zmalloc(sizeof(char) * (len + 1)); /* + 1 for \0 */ + if (!name) { + goto error; + } + if (lseek(elf->fd, elf->section_names_offset + offset, + SEEK_SET) < 0) { + goto error; + } + if (lttng_ust_read(elf->fd, name, len + 1) < len + 1) { + goto error; + } + + return name; + +error: + free(name); + return NULL; +} + +/* + * Create an instance of lttng_ust_elf for the ELF file located at + * `path`. + * + * Return a pointer to the instance on success, NULL on failure. + */ +struct lttng_ust_elf *lttng_ust_elf_create(const char *path) +{ + uint8_t e_ident[EI_NIDENT]; + struct lttng_ust_elf_shdr *section_names_shdr; + struct lttng_ust_elf *elf = NULL; + + elf = zmalloc(sizeof(struct lttng_ust_elf)); + if (!elf) { + goto error; + } + + elf->path = strdup(path); + if (!elf->path) { + goto error; + } + + elf->fd = open(elf->path, O_RDONLY | O_CLOEXEC); + if (elf->fd < 0) { + goto error; + } + + if (lttng_ust_read(elf->fd, e_ident, EI_NIDENT) < EI_NIDENT) { + goto error; + } + elf->bitness = e_ident[EI_CLASS]; + elf->endianness = e_ident[EI_DATA]; + + if (lseek(elf->fd, 0, SEEK_SET) < 0) { + goto error; + } + + elf->ehdr = zmalloc(sizeof(struct lttng_ust_elf_ehdr)); + if (!elf->ehdr) { + goto error; + } + + if (is_elf_32_bit(elf)) { + Elf32_Ehdr elf_ehdr; + + if (lttng_ust_read(elf->fd, &elf_ehdr, sizeof(elf_ehdr)) + < sizeof(elf_ehdr)) { + goto error; + } + if (!is_elf_native_endian(elf)) { + bswap_ehdr(elf_ehdr); + } + copy_ehdr(elf_ehdr, *(elf->ehdr)); + } else { + Elf64_Ehdr elf_ehdr; + + if (lttng_ust_read(elf->fd, &elf_ehdr, sizeof(elf_ehdr)) + < sizeof(elf_ehdr)) { + goto error; + } + if (!is_elf_native_endian(elf)) { + bswap_ehdr(elf_ehdr); + } + copy_ehdr(elf_ehdr, *(elf->ehdr)); + } + + section_names_shdr = lttng_ust_elf_get_shdr(elf, elf->ehdr->e_shstrndx); + if (!section_names_shdr) { + goto error; + } + + elf->section_names_offset = section_names_shdr->sh_offset; + elf->section_names_size = section_names_shdr->sh_size; + + free(section_names_shdr); + return elf; + +error: + if (elf) { + free(elf->ehdr); + if (elf->fd >= 0) { + if (close(elf->fd)) { + abort(); + } + } + free(elf->path); + free(elf); + } + return NULL; +} + +/* + * Test whether the ELF file is position independent code (PIC) + */ +uint8_t lttng_ust_elf_is_pic(struct lttng_ust_elf *elf) +{ + /* + * PIC has and e_type value of ET_DYN, see ELF specification + * version 1.1 p. 1-3. + */ + return elf->ehdr->e_type == ET_DYN; +} + +/* + * Destroy the given lttng_ust_elf instance. + */ +void lttng_ust_elf_destroy(struct lttng_ust_elf *elf) +{ + if (!elf) { + return; + } + + free(elf->ehdr); + if (close(elf->fd)) { + abort(); + } + free(elf->path); + free(elf); +} + +/* + * Compute the total in-memory size of the ELF file, in bytes. + * + * Returns 0 if successful, -1 if not. On success, the memory size is + * returned through the out parameter `memsz`. + */ +int lttng_ust_elf_get_memsz(struct lttng_ust_elf *elf, uint64_t *memsz) +{ + uint16_t i; + uint64_t low_addr = UINT64_MAX, high_addr = 0; + + if (!elf || !memsz) { + goto error; + } + + for (i = 0; i < elf->ehdr->e_phnum; ++i) { + struct lttng_ust_elf_phdr *phdr; + + phdr = lttng_ust_elf_get_phdr(elf, i); + if (!phdr) { + goto error; + } + + /* + * Only PT_LOAD segments contribute to memsz. Skip + * other segments. + */ + if (phdr->p_type != PT_LOAD) { + goto next_loop; + } + + low_addr = min_t(uint64_t, low_addr, phdr->p_vaddr); + high_addr = max_t(uint64_t, high_addr, + phdr->p_vaddr + phdr->p_memsz); + next_loop: + free(phdr); + } + + if (high_addr < low_addr) { + /* No PT_LOAD segments or corrupted data. */ + goto error; + } + + *memsz = high_addr - low_addr; + return 0; +error: + return -1; +} + +/* + * Internal method used to try and get the build_id from a PT_NOTE + * segment ranging from `offset` to `segment_end`. + * + * If the function returns successfully, the out parameter `found` + * indicates whether the build id information was present in the + * segment or not. If `found` is not 0, the out parameters `build_id` + * and `length` will both have been set with the retrieved + * information. + * + * Returns 0 on success, -1 if an error occurred. + */ +static +int lttng_ust_elf_get_build_id_from_segment( + struct lttng_ust_elf *elf, uint8_t **build_id, size_t *length, + off_t offset, off_t segment_end) +{ + uint8_t *_build_id = NULL; /* Silence old gcc warning. */ + size_t _length = 0; /* Silence old gcc warning. */ + + while (offset < segment_end) { + struct lttng_ust_elf_nhdr nhdr; + size_t read_len; + + /* Align start of note entry */ + offset += offset_align(offset, ELF_NOTE_ENTRY_ALIGN); + if (offset >= segment_end) { + break; + } + /* + * We seek manually because if the note isn't the + * build id the data following the header will not + * have been read. + */ + if (lseek(elf->fd, offset, SEEK_SET) < 0) { + goto error; + } + if (lttng_ust_read(elf->fd, &nhdr, sizeof(nhdr)) + < sizeof(nhdr)) { + goto error; + } + + if (!is_elf_native_endian(elf)) { + nhdr.n_namesz = bswap_32(nhdr.n_namesz); + nhdr.n_descsz = bswap_32(nhdr.n_descsz); + nhdr.n_type = bswap_32(nhdr.n_type); + } + + offset += sizeof(nhdr) + nhdr.n_namesz; + /* Align start of desc entry */ + offset += offset_align(offset, ELF_NOTE_DESC_ALIGN); + + if (nhdr.n_type != NT_GNU_BUILD_ID) { + /* + * Ignore non build id notes but still + * increase the offset. + */ + offset += nhdr.n_descsz; + continue; + } + + _length = nhdr.n_descsz; + _build_id = zmalloc(sizeof(uint8_t) * _length); + if (!_build_id) { + goto error; + } + + if (lseek(elf->fd, offset, SEEK_SET) < 0) { + goto error; + } + read_len = sizeof(*_build_id) * _length; + if (lttng_ust_read(elf->fd, _build_id, read_len) < read_len) { + goto error; + } + + break; + } + + if (_build_id) { + *build_id = _build_id; + *length = _length; + } + + return 0; +error: + free(_build_id); + return -1; +} + +/* + * Retrieve a build ID (an array of bytes) from the corresponding + * section in the ELF file. The length of the build ID can be either + * 16 or 20 bytes depending on the method used to generate it, hence + * the length out parameter. + * + * If the function returns successfully, the out parameter `found` + * indicates whether the build id information was present in the ELF + * file or not. If `found` is not 0, the out parameters `build_id` and + * `length` will both have been set with the retrieved information. + * + * Returns 0 on success, -1 if an error occurred. + */ +int lttng_ust_elf_get_build_id(struct lttng_ust_elf *elf, uint8_t **build_id, + size_t *length, int *found) +{ + uint16_t i; + uint8_t *_build_id = NULL; /* Silence old gcc warning. */ + size_t _length = 0; /* Silence old gcc warning. */ + + if (!elf || !build_id || !length || !found) { + goto error; + } + + for (i = 0; i < elf->ehdr->e_phnum; ++i) { + off_t offset, segment_end; + struct lttng_ust_elf_phdr *phdr; + int ret = 0; + + phdr = lttng_ust_elf_get_phdr(elf, i); + if (!phdr) { + goto error; + } + + /* Build ID will be contained in a PT_NOTE segment. */ + if (phdr->p_type != PT_NOTE) { + goto next_loop; + } + + offset = phdr->p_offset; + segment_end = offset + phdr->p_filesz; + ret = lttng_ust_elf_get_build_id_from_segment( + elf, &_build_id, &_length, offset, segment_end); + next_loop: + free(phdr); + if (ret) { + goto error; + } + if (_build_id) { + break; + } + } + + if (_build_id) { + *build_id = _build_id; + *length = _length; + *found = 1; + } else { + *found = 0; + } + + return 0; +error: + free(_build_id); + return -1; +} + +/* + * Try to retrieve filename and CRC from given ELF section `shdr`. + * + * If the function returns successfully, the out parameter `found` + * indicates whether the debug link information was present in the ELF + * section or not. If `found` is not 0, the out parameters `filename` and + * `crc` will both have been set with the retrieved information. + * + * Returns 0 on success, -1 if an error occurred. + */ +int lttng_ust_elf_get_debug_link_from_section(struct lttng_ust_elf *elf, + char **filename, uint32_t *crc, + struct lttng_ust_elf_shdr *shdr) +{ + char *_filename = NULL; /* Silence old gcc warning. */ + size_t filename_len; + char *section_name = NULL; + uint32_t _crc = 0; /* Silence old gcc warning. */ + + if (!elf || !filename || !crc || !shdr) { + goto error; + } + + /* + * The .gnu_debuglink section is of type SHT_PROGBITS, + * skip the other sections. + */ + if (shdr->sh_type != SHT_PROGBITS) { + goto end; + } + + section_name = lttng_ust_elf_get_section_name(elf, + shdr->sh_name); + if (!section_name) { + goto end; + } + if (strcmp(section_name, ".gnu_debuglink")) { + goto end; + } + + /* + * The length of the filename is the sh_size excluding the CRC + * which comes after it in the section. + */ + _filename = zmalloc(sizeof(char) * (shdr->sh_size - ELF_CRC_SIZE)); + if (!_filename) { + goto error; + } + if (lseek(elf->fd, shdr->sh_offset, SEEK_SET) < 0) { + goto error; + } + filename_len = sizeof(*_filename) * (shdr->sh_size - ELF_CRC_SIZE); + if (lttng_ust_read(elf->fd, _filename, filename_len) < filename_len) { + goto error; + } + if (lttng_ust_read(elf->fd, &_crc, sizeof(_crc)) < sizeof(_crc)) { + goto error; + } + if (!is_elf_native_endian(elf)) { + _crc = bswap_32(_crc); + } + +end: + free(section_name); + if (_filename) { + *filename = _filename; + *crc = _crc; + } + + return 0; + +error: + free(_filename); + free(section_name); + return -1; +} + +/* + * Retrieve filename and CRC from ELF's .gnu_debuglink section, if any. + * + * If the function returns successfully, the out parameter `found` + * indicates whether the debug link information was present in the ELF + * file or not. If `found` is not 0, the out parameters `filename` and + * `crc` will both have been set with the retrieved information. + * + * Returns 0 on success, -1 if an error occurred. + */ +int lttng_ust_elf_get_debug_link(struct lttng_ust_elf *elf, char **filename, + uint32_t *crc, int *found) +{ + int ret; + uint16_t i; + char *_filename = NULL; /* Silence old gcc warning. */ + uint32_t _crc = 0; /* Silence old gcc warning. */ + + if (!elf || !filename || !crc || !found) { + goto error; + } + + for (i = 0; i < elf->ehdr->e_shnum; ++i) { + struct lttng_ust_elf_shdr *shdr = NULL; + + shdr = lttng_ust_elf_get_shdr(elf, i); + if (!shdr) { + goto error; + } + + ret = lttng_ust_elf_get_debug_link_from_section( + elf, &_filename, &_crc, shdr); + free(shdr); + + if (ret) { + goto error; + } + if (_filename) { + break; + } + } + + if (_filename) { + *filename = _filename; + *crc = _crc; + *found = 1; + } else { + *found = 0; + } + + return 0; + +error: + free(_filename); + return -1; +} diff --git a/liblttng-ust/lttng-ust-statedump-provider.h b/liblttng-ust/lttng-ust-statedump-provider.h new file mode 100644 index 0000000..b6a6f7e --- /dev/null +++ b/liblttng-ust/lttng-ust-statedump-provider.h @@ -0,0 +1,109 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER lttng_ust_statedump + +#if !defined(_TRACEPOINT_LTTNG_UST_STATEDUMP_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_LTTNG_UST_STATEDUMP_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Copyright (C) 2013 Paul Woegerer + * Copyright (C) 2015 Antoine Busque + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include +#include + +#define LTTNG_UST_STATEDUMP_PROVIDER +#include + +TRACEPOINT_EVENT(lttng_ust_statedump, start, + TP_ARGS(struct lttng_session *, session), + TP_FIELDS() +) + +TRACEPOINT_EVENT(lttng_ust_statedump, bin_info, + TP_ARGS( + struct lttng_session *, session, + void *, baddr, + const char*, path, + uint64_t, memsz, + uint8_t, is_pic, + uint8_t, has_build_id, + uint8_t, has_debug_link + ), + TP_FIELDS( + ctf_integer_hex(void *, baddr, baddr) + ctf_integer(uint64_t, memsz, memsz) + ctf_string(path, path) + ctf_integer(uint8_t, is_pic, is_pic) + ctf_integer(uint8_t, has_build_id, has_build_id) + ctf_integer(uint8_t, has_debug_link, has_debug_link) + ) +) + +TRACEPOINT_EVENT(lttng_ust_statedump, build_id, + TP_ARGS( + struct lttng_session *, session, + void *, baddr, + uint8_t *, build_id, + size_t, build_id_len + ), + TP_FIELDS( + ctf_integer_hex(void *, baddr, baddr) + ctf_sequence_hex(uint8_t, build_id, build_id, + size_t, build_id_len) + ) +) + +TRACEPOINT_EVENT(lttng_ust_statedump, debug_link, + TP_ARGS( + struct lttng_session *, session, + void *, baddr, + char *, filename, + uint32_t, crc + ), + TP_FIELDS( + ctf_integer_hex(void *, baddr, baddr) + ctf_integer(uint32_t, crc, crc) + ctf_string(filename, filename) + ) +) + +TRACEPOINT_EVENT(lttng_ust_statedump, end, + TP_ARGS(struct lttng_session *, session), + TP_FIELDS() +) + +#endif /* _TRACEPOINT_LTTNG_UST_STATEDUMP_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./lttng-ust-statedump-provider.h" + +/* This part must be outside ifdef protection */ +#include + +#ifdef __cplusplus +} +#endif diff --git a/liblttng-ust/lttng-ust-statedump.c b/liblttng-ust/lttng-ust-statedump.c new file mode 100644 index 0000000..c2926ae --- /dev/null +++ b/liblttng-ust/lttng-ust-statedump.c @@ -0,0 +1,359 @@ +/* + * Copyright (C) 2013 Paul Woegerer + * Copyright (C) 2015 Antoine Busque + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _LGPL_SOURCE +#define _GNU_SOURCE + +#include +#include +#include +#include +#include +#include +#include + +#include +#include "lttng-tracer-core.h" +#include "lttng-ust-statedump.h" + +#define TRACEPOINT_DEFINE +#define TRACEPOINT_CREATE_PROBES +#define TP_SESSION_CHECK +#include "lttng-ust-statedump-provider.h" + +struct dl_iterate_data { + void *owner; + int exec_found; +}; + +struct bin_info_data { + void *owner; + void *base_addr_ptr; + const char *resolved_path; + char *dbg_file; + uint8_t *build_id; + uint64_t memsz; + size_t build_id_len; + int vdso; + uint32_t crc; + uint8_t is_pic; + uint8_t has_build_id; + uint8_t has_debug_link; +}; + +typedef void (*tracepoint_cb)(struct lttng_session *session, void *priv); + +/* + * Trace statedump event into all sessions owned by the caller thread + * for which statedump is pending. + */ +static +int trace_statedump_event(tracepoint_cb tp_cb, void *owner, void *priv) +{ + struct cds_list_head *sessionsp; + struct lttng_session *session; + + sessionsp = _lttng_get_sessions(); + cds_list_for_each_entry(session, sessionsp, node) { + if (session->owner != owner) + continue; + if (!session->statedump_pending) + continue; + tp_cb(session, priv); + } + return 0; +} + +static +void trace_bin_info_cb(struct lttng_session *session, void *priv) +{ + struct bin_info_data *bin_data = (struct bin_info_data *) priv; + + tracepoint(lttng_ust_statedump, bin_info, + session, bin_data->base_addr_ptr, + bin_data->resolved_path, bin_data->memsz, + bin_data->is_pic, bin_data->has_build_id, + bin_data->has_debug_link); +} + +static +void trace_build_id_cb(struct lttng_session *session, void *priv) +{ + struct bin_info_data *bin_data = (struct bin_info_data *) priv; + + tracepoint(lttng_ust_statedump, build_id, + session, bin_data->base_addr_ptr, + bin_data->build_id, bin_data->build_id_len); +} + +static +void trace_debug_link_cb(struct lttng_session *session, void *priv) +{ + struct bin_info_data *bin_data = (struct bin_info_data *) priv; + + tracepoint(lttng_ust_statedump, debug_link, + session, bin_data->base_addr_ptr, + bin_data->dbg_file, bin_data->crc); +} + +static +void trace_start_cb(struct lttng_session *session, void *priv) +{ + tracepoint(lttng_ust_statedump, start, session); +} + +static +void trace_end_cb(struct lttng_session *session, void *priv) +{ + tracepoint(lttng_ust_statedump, end, session); +} + +static +int get_elf_info(struct bin_info_data *bin_data) +{ + struct lttng_ust_elf *elf; + int ret = 0, found; + + elf = lttng_ust_elf_create(bin_data->resolved_path); + if (!elf) { + ret = -1; + goto end; + } + + ret = lttng_ust_elf_get_memsz(elf, &bin_data->memsz); + if (ret) { + goto end; + } + + found = 0; + ret = lttng_ust_elf_get_build_id(elf, &bin_data->build_id, + &bin_data->build_id_len, + &found); + if (ret) { + goto end; + } + bin_data->has_build_id = !!found; + found = 0; + ret = lttng_ust_elf_get_debug_link(elf, &bin_data->dbg_file, + &bin_data->crc, + &found); + if (ret) { + goto end; + } + bin_data->has_debug_link = !!found; + + bin_data->is_pic = lttng_ust_elf_is_pic(elf); + +end: + lttng_ust_elf_destroy(elf); + return ret; +} + +static +int trace_baddr(struct bin_info_data *bin_data) +{ + int ret = 0; + + if (!bin_data->vdso) { + ret = get_elf_info(bin_data); + if (ret) { + goto end; + } + } else { + bin_data->memsz = 0; + bin_data->has_build_id = 0; + bin_data->has_debug_link = 0; + } + + ret = trace_statedump_event(trace_bin_info_cb, bin_data->owner, + bin_data); + if (ret) { + goto end; + } + + if (bin_data->has_build_id) { + ret = trace_statedump_event( + trace_build_id_cb, bin_data->owner, bin_data); + free(bin_data->build_id); + if (ret) { + goto end; + } + } + + if (bin_data->has_debug_link) { + ret = trace_statedump_event( + trace_debug_link_cb, bin_data->owner, bin_data); + free(bin_data->dbg_file); + if (ret) { + goto end; + } + } + +end: + return ret; +} + +static +int trace_statedump_start(void *owner) +{ + return trace_statedump_event(trace_start_cb, owner, NULL); +} + +static +int trace_statedump_end(void *owner) +{ + return trace_statedump_event(trace_end_cb, owner, NULL); +} + +static +int extract_bin_info_events(struct dl_phdr_info *info, size_t size, void *_data) +{ + int j, ret = 0; + struct dl_iterate_data *data = _data; + + /* + * UST lock nests within dynamic loader lock. + * + * Hold this lock across handling of the entire module to + * protect memory allocation at early process start, due to + * interactions with libc-wrapper lttng malloc instrumentation. + */ + if (ust_lock()) { + goto end; + } + + for (j = 0; j < info->dlpi_phnum; j++) { + struct bin_info_data bin_data; + char resolved_path[PATH_MAX]; + void *base_addr_ptr; + + if (info->dlpi_phdr[j].p_type != PT_LOAD) + continue; + + /* Calculate virtual memory address of the loadable segment */ + base_addr_ptr = (void *) info->dlpi_addr + + info->dlpi_phdr[j].p_vaddr; + + if ((info->dlpi_name == NULL || info->dlpi_name[0] == 0)) { + /* + * Only the first phdr without a dlpi_name + * encountered is considered as the program + * executable. The rest are vdsos. + */ + if (!data->exec_found) { + ssize_t path_len; + data->exec_found = 1; + + /* + * Use /proc/self/exe to resolve the + * executable's full path. + */ + path_len = readlink("/proc/self/exe", + resolved_path, + PATH_MAX - 1); + if (path_len <= 0) + break; + + resolved_path[path_len] = '\0'; + bin_data.vdso = 0; + } else { + snprintf(resolved_path, PATH_MAX - 1, "[vdso]"); + bin_data.vdso = 1; + } + } else { + /* + * For regular dl_phdr_info entries check if + * the path to the binary really exists. If not, + * treat as vdso and use dlpi_name as 'path'. + */ + if (!realpath(info->dlpi_name, resolved_path)) { + snprintf(resolved_path, PATH_MAX - 1, "[%s]", + info->dlpi_name); + bin_data.vdso = 1; + } else { + bin_data.vdso = 0; + } + } + + bin_data.owner = data->owner; + bin_data.base_addr_ptr = base_addr_ptr; + bin_data.resolved_path = resolved_path; + ret = trace_baddr(&bin_data); + break; + } +end: + ust_unlock(); + return ret; +} + +/* + * Generate a statedump of base addresses of all shared objects loaded + * by the traced application, as well as for the application's + * executable itself. + */ +static +int do_baddr_statedump(void *owner) +{ + struct dl_iterate_data data; + + if (getenv("LTTNG_UST_WITHOUT_BADDR_STATEDUMP")) + return 0; + + data.owner = owner; + data.exec_found = 0; + /* + * Iterate through the list of currently loaded shared objects and + * generate events for loadable segments using + * extract_bin_info_events. + */ + dl_iterate_phdr(extract_bin_info_events, &data); + + return 0; +} + +/* + * Generate a statedump of a given traced application. A statedump is + * delimited by start and end events. For a given (process, session) + * pair, begin/end events are serialized and will match. However, in a + * session, statedumps from different processes may be + * interleaved. The vpid context should be used to identify which + * events belong to which process. + */ +int do_lttng_ust_statedump(void *owner) +{ + trace_statedump_start(owner); + do_baddr_statedump(owner); + trace_statedump_end(owner); + + return 0; +} + +void lttng_ust_statedump_init(void) +{ + __tracepoints__init(); + __tracepoints__ptrs_init(); + __lttng_events_init__lttng_ust_statedump(); +} + +void lttng_ust_statedump_destroy(void) +{ + __lttng_events_exit__lttng_ust_statedump(); + __tracepoints__ptrs_destroy(); + __tracepoints__destroy(); +} diff --git a/liblttng-ust/lttng-ust-statedump.h b/liblttng-ust/lttng-ust-statedump.h new file mode 100644 index 0000000..48deb96 --- /dev/null +++ b/liblttng-ust/lttng-ust-statedump.h @@ -0,0 +1,30 @@ +#ifndef LTTNG_UST_STATEDUMP_H +#define LTTNG_UST_STATEDUMP_H + +/* + * Copyright (C) 2013 Paul Woegerer + * Copyright (C) 2015 Antoine Busque + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +void lttng_ust_statedump_init(void); +void lttng_ust_statedump_destroy(void); + +int do_lttng_ust_statedump(void *owner); + +#endif /* LTTNG_UST_STATEDUMP_H */ diff --git a/liblttng-ust/lttng-ust-tracef-provider.h b/liblttng-ust/lttng-ust-tracef-provider.h new file mode 100644 index 0000000..fb07c85 --- /dev/null +++ b/liblttng-ust/lttng-ust-tracef-provider.h @@ -0,0 +1,38 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER lttng_ust_tracef + +#if !defined(_TRACEPOINT_LTTNG_UST_TRACEF_PROVIDER_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_LTTNG_UST_TRACEF_PROVIDER_H + +/* + * Copyright (C) 2011-2014 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +#endif /* _TRACEPOINT_LTTNG_UST_TRACEF_PROVIDER_H */ + +#define TP_IP_PARAM ip /* IP context received as parameter */ +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./lttng-ust-tracef.h" + +/* This part must be outside ifdef protection */ +#include diff --git a/liblttng-ust/lttng-ust-tracelog-provider.h b/liblttng-ust/lttng-ust-tracelog-provider.h new file mode 100644 index 0000000..c1215ba --- /dev/null +++ b/liblttng-ust/lttng-ust-tracelog-provider.h @@ -0,0 +1,38 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER lttng_ust_tracelog + +#if !defined(_TRACEPOINT_LTTNG_UST_TRACELOG_PROVIDER_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_LTTNG_UST_TRACELOG_PROVIDER_H + +/* + * Copyright (C) 2011-2015 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +#endif /* _TRACEPOINT_LTTNG_UST_TRACEF_PROVIDER_H */ + +#define TP_IP_PARAM ip /* IP context received as parameter */ +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./lttng-ust-tracelog.h" + +/* This part must be outside ifdef protection */ +#include diff --git a/liblttng-ust/lttng-ust-uuid.h b/liblttng-ust/lttng-ust-uuid.h new file mode 100644 index 0000000..3b05d17 --- /dev/null +++ b/liblttng-ust/lttng-ust-uuid.h @@ -0,0 +1,29 @@ +#ifndef _LTTNG_UST_UUID_H +#define _LTTNG_UST_UUID_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include /* For LTTNG_UST_UUID_LEN */ +#include + +#endif /* _LTTNG_UST_UUID_H */ diff --git a/liblttng-ust/tracef.c b/liblttng-ust/tracef.c new file mode 100644 index 0000000..ea98e43 --- /dev/null +++ b/liblttng-ust/tracef.c @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2013-2014 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define _GNU_SOURCE +#define _LGPL_SOURCE +#include +#include + +#define TRACEPOINT_CREATE_PROBES +#define TRACEPOINT_DEFINE +#include "lttng-ust-tracef-provider.h" + +void _lttng_ust_tracef(const char *fmt, ...) +{ + va_list ap; + char *msg; + int len; + + va_start(ap, fmt); + len = vasprintf(&msg, fmt, ap); + /* len does not include the final \0 */ + if (len < 0) + goto end; + __tracepoint_cb_lttng_ust_tracef___event(msg, len, + LTTNG_UST_CALLER_IP()); + free(msg); +end: + va_end(ap); +} diff --git a/liblttng-ust/tracelog.c b/liblttng-ust/tracelog.c new file mode 100644 index 0000000..65fc87e --- /dev/null +++ b/liblttng-ust/tracelog.c @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2013-2014 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define _GNU_SOURCE +#define _LGPL_SOURCE +#include +#include + +#define TRACEPOINT_CREATE_PROBES +#define TRACEPOINT_DEFINE +#include "lttng-ust-tracelog-provider.h" + +#define TRACELOG_CB(level) \ + void _lttng_ust_tracelog_##level(const char *file, \ + int line, const char *func, \ + const char *fmt, ...) \ + { \ + va_list ap; \ + char *msg; \ + int len; \ + \ + va_start(ap, fmt); \ + len = vasprintf(&msg, fmt, ap); \ + /* len does not include the final \0 */ \ + if (len < 0) \ + goto end; \ + __tracepoint_cb_lttng_ust_tracelog___##level(file, \ + line, func, msg, len, \ + LTTNG_UST_CALLER_IP()); \ + free(msg); \ + end: \ + va_end(ap); \ + } + +TRACELOG_CB(TRACE_EMERG) +TRACELOG_CB(TRACE_ALERT) +TRACELOG_CB(TRACE_CRIT) +TRACELOG_CB(TRACE_ERR) +TRACELOG_CB(TRACE_WARNING) +TRACELOG_CB(TRACE_NOTICE) +TRACELOG_CB(TRACE_INFO) +TRACELOG_CB(TRACE_DEBUG_SYSTEM) +TRACELOG_CB(TRACE_DEBUG_PROGRAM) +TRACELOG_CB(TRACE_DEBUG_PROCESS) +TRACELOG_CB(TRACE_DEBUG_MODULE) +TRACELOG_CB(TRACE_DEBUG_UNIT) +TRACELOG_CB(TRACE_DEBUG_FUNCTION) +TRACELOG_CB(TRACE_DEBUG_LINE) +TRACELOG_CB(TRACE_DEBUG) diff --git a/liblttng-ust/tracepoint-internal.h b/liblttng-ust/tracepoint-internal.h new file mode 100644 index 0000000..7084238 --- /dev/null +++ b/liblttng-ust/tracepoint-internal.h @@ -0,0 +1,58 @@ +#ifndef _LTTNG_TRACEPOINT_INTERNAL_H +#define _LTTNG_TRACEPOINT_INTERNAL_H + +/* + * Copyright (c) 2011 - Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include + +#define TRACE_DEFAULT TRACE_DEBUG_LINE + +struct tracepoint_lib { + struct cds_list_head list; /* list of registered libs */ + struct lttng_ust_tracepoint * const *tracepoints_start; + int tracepoints_count; + struct cds_list_head callsites; +}; + +extern int tracepoint_probe_register_noupdate(const char *name, + void (*callback)(void), void *priv, + const char *signature); +extern int tracepoint_probe_unregister_noupdate(const char *name, + void (*callback)(void), void *priv); +extern void tracepoint_probe_update_all(void); + +/* + * call after disconnection of last probe implemented within a + * shared object before unmapping the library that contains the probe. + */ +static inline void tracepoint_synchronize_unregister(void) +{ + synchronize_rcu_bp(); +} + +extern void init_tracepoint(void); +extern void exit_tracepoint(void); + +void *lttng_ust_tp_check_weak_hidden1(void); +void *lttng_ust_tp_check_weak_hidden2(void); +void *lttng_ust_tp_check_weak_hidden3(void); + +#endif /* _LTTNG_TRACEPOINT_INTERNAL_H */ diff --git a/liblttng-ust/tracepoint-weak-test.c b/liblttng-ust/tracepoint-weak-test.c new file mode 100644 index 0000000..dad2ece --- /dev/null +++ b/liblttng-ust/tracepoint-weak-test.c @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2016 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* Test compiler support for weak symbols with hidden visibility. */ +int __tracepoint_test_symbol1 __attribute__((weak, visibility("hidden"))); +void *__tracepoint_test_symbol2 __attribute__((weak, visibility("hidden"))); +struct { + char a[24]; +} __tracepoint_test_symbol3 __attribute__((weak, visibility("hidden"))); + +__attribute__((visibility("hidden"))) +void *lttng_ust_tp_check_weak_hidden1(void) +{ + return &__tracepoint_test_symbol1; +} + +__attribute__((visibility("hidden"))) +void *lttng_ust_tp_check_weak_hidden2(void) +{ + return &__tracepoint_test_symbol2; +} + +__attribute__((visibility("hidden"))) +void *lttng_ust_tp_check_weak_hidden3(void) +{ + return &__tracepoint_test_symbol3; +} diff --git a/liblttng-ust/tracepoint.c b/liblttng-ust/tracepoint.c new file mode 100644 index 0000000..db58860 --- /dev/null +++ b/liblttng-ust/tracepoint.c @@ -0,0 +1,868 @@ +/* + * Copyright (C) 2008-2011 Mathieu Desnoyers + * Copyright (C) 2009 Pierre-Marc Fournier + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Ported to userspace by Pierre-Marc Fournier. + */ + +#define _LGPL_SOURCE +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include +#include /* for LTTNG_UST_SYM_NAME_LEN */ + +#include +#include + +#include "tracepoint-internal.h" +#include "lttng-tracer-core.h" +#include "jhash.h" +#include "error.h" + +/* Test compiler support for weak symbols with hidden visibility. */ +int __tracepoint_test_symbol1 __attribute__((weak, visibility("hidden"))); +void *__tracepoint_test_symbol2 __attribute__((weak, visibility("hidden"))); +struct { + char a[24]; +} __tracepoint_test_symbol3 __attribute__((weak, visibility("hidden"))); + +/* Set to 1 to enable tracepoint debug output */ +static const int tracepoint_debug; +static int initialized; +static void (*new_tracepoint_cb)(struct lttng_ust_tracepoint *); + +/* + * tracepoint_mutex nests inside UST mutex. + * + * Note about interaction with fork/clone: UST does not hold the + * tracepoint mutex across fork/clone because it is either: + * - nested within UST mutex, in which case holding the UST mutex across + * fork/clone suffice, + * - taken by a library constructor, which should never race with a + * fork/clone if the application is expected to continue running with + * the same memory layout (no following exec()). + */ +static pthread_mutex_t tracepoint_mutex = PTHREAD_MUTEX_INITIALIZER; + +/* + * libraries that contain tracepoints (struct tracepoint_lib). + * Protected by tracepoint mutex. + */ +static CDS_LIST_HEAD(libs); + +/* + * The tracepoint mutex protects the library tracepoints, the hash table, and + * the library list. + * All calls to the tracepoint API must be protected by the tracepoint mutex, + * excepts calls to tracepoint_register_lib and + * tracepoint_unregister_lib, which take the tracepoint mutex themselves. + */ + +/* + * Tracepoint hash table, containing the active tracepoints. + * Protected by tracepoint mutex. + */ +#define TRACEPOINT_HASH_BITS 12 +#define TRACEPOINT_TABLE_SIZE (1 << TRACEPOINT_HASH_BITS) +static struct cds_hlist_head tracepoint_table[TRACEPOINT_TABLE_SIZE]; + +static CDS_LIST_HEAD(old_probes); +static int need_update; + +/* + * Note about RCU : + * It is used to to delay the free of multiple probes array until a quiescent + * state is reached. + * Tracepoint entries modifications are protected by the tracepoint mutex. + */ +struct tracepoint_entry { + struct cds_hlist_node hlist; + struct lttng_ust_tracepoint_probe *probes; + int refcount; /* Number of times armed. 0 if disarmed. */ + int callsite_refcount; /* how many libs use this tracepoint */ + const char *signature; + char name[0]; +}; + +struct tp_probes { + union { + struct cds_list_head list; + /* Field below only used for call_rcu scheme */ + /* struct rcu_head head; */ + } u; + struct lttng_ust_tracepoint_probe probes[0]; +}; + +/* + * Callsite hash table, containing the tracepoint call sites. + * Protected by tracepoint mutex. + */ +#define CALLSITE_HASH_BITS 12 +#define CALLSITE_TABLE_SIZE (1 << CALLSITE_HASH_BITS) +static struct cds_hlist_head callsite_table[CALLSITE_TABLE_SIZE]; + +struct callsite_entry { + struct cds_hlist_node hlist; /* hash table node */ + struct cds_list_head node; /* lib list of callsites node */ + struct lttng_ust_tracepoint *tp; +}; + +/* coverity[+alloc] */ +static void *allocate_probes(int count) +{ + struct tp_probes *p = + zmalloc(count * sizeof(struct lttng_ust_tracepoint_probe) + + sizeof(struct tp_probes)); + return p == NULL ? NULL : p->probes; +} + +/* coverity[+free : arg-0] */ +static void release_probes(void *old) +{ + if (old) { + struct tp_probes *tp_probes = caa_container_of(old, + struct tp_probes, probes[0]); + synchronize_rcu(); + free(tp_probes); + } +} + +static void debug_print_probes(struct tracepoint_entry *entry) +{ + int i; + + if (!tracepoint_debug || !entry->probes) + return; + + for (i = 0; entry->probes[i].func; i++) + DBG("Probe %d : %p", i, entry->probes[i].func); +} + +static void * +tracepoint_entry_add_probe(struct tracepoint_entry *entry, + void (*probe)(void), void *data) +{ + int nr_probes = 0; + struct lttng_ust_tracepoint_probe *old, *new; + + if (!probe) { + WARN_ON(1); + return ERR_PTR(-EINVAL); + } + debug_print_probes(entry); + old = entry->probes; + if (old) { + /* (N -> N+1), (N != 0, 1) probes */ + for (nr_probes = 0; old[nr_probes].func; nr_probes++) + if (old[nr_probes].func == probe && + old[nr_probes].data == data) + return ERR_PTR(-EEXIST); + } + /* + 2 : one for new probe, one for NULL func */ + new = allocate_probes(nr_probes + 2); + if (new == NULL) + return ERR_PTR(-ENOMEM); + if (old) + memcpy(new, old, + nr_probes * sizeof(struct lttng_ust_tracepoint_probe)); + new[nr_probes].func = probe; + new[nr_probes].data = data; + new[nr_probes + 1].func = NULL; + entry->refcount = nr_probes + 1; + entry->probes = new; + debug_print_probes(entry); + return old; +} + +static void * +tracepoint_entry_remove_probe(struct tracepoint_entry *entry, + void (*probe)(void), void *data) +{ + int nr_probes = 0, nr_del = 0, i; + struct lttng_ust_tracepoint_probe *old, *new; + + old = entry->probes; + + if (!old) + return ERR_PTR(-ENOENT); + + debug_print_probes(entry); + /* (N -> M), (N > 1, M >= 0) probes */ + if (probe) { + for (nr_probes = 0; old[nr_probes].func; nr_probes++) { + if (old[nr_probes].func == probe && + old[nr_probes].data == data) + nr_del++; + } + } + + if (nr_probes - nr_del == 0) { + /* N -> 0, (N > 1) */ + entry->probes = NULL; + entry->refcount = 0; + debug_print_probes(entry); + return old; + } else { + int j = 0; + /* N -> M, (N > 1, M > 0) */ + /* + 1 for NULL */ + new = allocate_probes(nr_probes - nr_del + 1); + if (new == NULL) + return ERR_PTR(-ENOMEM); + for (i = 0; old[i].func; i++) + if (old[i].func != probe || old[i].data != data) + new[j++] = old[i]; + new[nr_probes - nr_del].func = NULL; + entry->refcount = nr_probes - nr_del; + entry->probes = new; + } + debug_print_probes(entry); + return old; +} + +/* + * Get tracepoint if the tracepoint is present in the tracepoint hash table. + * Must be called with tracepoint mutex held. + * Returns NULL if not present. + */ +static struct tracepoint_entry *get_tracepoint(const char *name) +{ + struct cds_hlist_head *head; + struct cds_hlist_node *node; + struct tracepoint_entry *e; + size_t name_len = strlen(name); + uint32_t hash; + + if (name_len > LTTNG_UST_SYM_NAME_LEN - 1) { + WARN("Truncating tracepoint name %s which exceeds size limits of %u chars", name, LTTNG_UST_SYM_NAME_LEN - 1); + name_len = LTTNG_UST_SYM_NAME_LEN - 1; + } + hash = jhash(name, name_len, 0); + head = &tracepoint_table[hash & (TRACEPOINT_TABLE_SIZE - 1)]; + cds_hlist_for_each_entry(e, node, head, hlist) { + if (!strncmp(name, e->name, LTTNG_UST_SYM_NAME_LEN - 1)) + return e; + } + return NULL; +} + +/* + * Add the tracepoint to the tracepoint hash table. Must be called with + * tracepoint mutex held. + */ +static struct tracepoint_entry *add_tracepoint(const char *name, + const char *signature) +{ + struct cds_hlist_head *head; + struct cds_hlist_node *node; + struct tracepoint_entry *e; + size_t name_len = strlen(name); + uint32_t hash; + + if (name_len > LTTNG_UST_SYM_NAME_LEN - 1) { + WARN("Truncating tracepoint name %s which exceeds size limits of %u chars", name, LTTNG_UST_SYM_NAME_LEN - 1); + name_len = LTTNG_UST_SYM_NAME_LEN - 1; + } + hash = jhash(name, name_len, 0); + head = &tracepoint_table[hash & (TRACEPOINT_TABLE_SIZE - 1)]; + cds_hlist_for_each_entry(e, node, head, hlist) { + if (!strncmp(name, e->name, LTTNG_UST_SYM_NAME_LEN - 1)) { + DBG("tracepoint %s busy", name); + return ERR_PTR(-EEXIST); /* Already there */ + } + } + /* + * Using zmalloc here to allocate a variable length element. Could + * cause some memory fragmentation if overused. + */ + e = zmalloc(sizeof(struct tracepoint_entry) + name_len + 1); + if (!e) + return ERR_PTR(-ENOMEM); + memcpy(&e->name[0], name, name_len + 1); + e->name[name_len] = '\0'; + e->probes = NULL; + e->refcount = 0; + e->callsite_refcount = 0; + e->signature = signature; + cds_hlist_add_head(&e->hlist, head); + return e; +} + +/* + * Remove the tracepoint from the tracepoint hash table. Must be called with + * tracepoint mutex held. + */ +static void remove_tracepoint(struct tracepoint_entry *e) +{ + cds_hlist_del(&e->hlist); + free(e); +} + +/* + * Sets the probe callback corresponding to one tracepoint. + */ +static void set_tracepoint(struct tracepoint_entry **entry, + struct lttng_ust_tracepoint *elem, int active) +{ + WARN_ON(strncmp((*entry)->name, elem->name, LTTNG_UST_SYM_NAME_LEN - 1) != 0); + /* + * Check that signatures match before connecting a probe to a + * tracepoint. Warn the user if they don't. + */ + if (strcmp(elem->signature, (*entry)->signature) != 0) { + static int warned = 0; + + /* Only print once, don't flood console. */ + if (!warned) { + WARN("Tracepoint signature mismatch, not enabling one or more tracepoints. Ensure that the tracepoint probes prototypes match the application."); + WARN("Tracepoint \"%s\" signatures: call: \"%s\" vs probe: \"%s\".", + elem->name, elem->signature, (*entry)->signature); + warned = 1; + } + /* Don't accept connecting non-matching signatures. */ + return; + } + + /* + * rcu_assign_pointer has a cmm_smp_wmb() which makes sure that the new + * probe callbacks array is consistent before setting a pointer to it. + * This array is referenced by __DO_TRACE from + * include/linux/tracepoints.h. A matching cmm_smp_read_barrier_depends() + * is used. + */ + rcu_assign_pointer(elem->probes, (*entry)->probes); + CMM_STORE_SHARED(elem->state, active); +} + +/* + * Disable a tracepoint and its probe callback. + * Note: only waiting an RCU period after setting elem->call to the empty + * function insures that the original callback is not used anymore. This insured + * by preempt_disable around the call site. + */ +static void disable_tracepoint(struct lttng_ust_tracepoint *elem) +{ + CMM_STORE_SHARED(elem->state, 0); + rcu_assign_pointer(elem->probes, NULL); +} + +/* + * Add the callsite to the callsite hash table. Must be called with + * tracepoint mutex held. + */ +static void add_callsite(struct tracepoint_lib * lib, struct lttng_ust_tracepoint *tp) +{ + struct cds_hlist_head *head; + struct callsite_entry *e; + const char *name = tp->name; + size_t name_len = strlen(name); + uint32_t hash; + struct tracepoint_entry *tp_entry; + + if (name_len > LTTNG_UST_SYM_NAME_LEN - 1) { + WARN("Truncating tracepoint name %s which exceeds size limits of %u chars", name, LTTNG_UST_SYM_NAME_LEN - 1); + name_len = LTTNG_UST_SYM_NAME_LEN - 1; + } + hash = jhash(name, name_len, 0); + head = &callsite_table[hash & (CALLSITE_TABLE_SIZE - 1)]; + e = zmalloc(sizeof(struct callsite_entry)); + if (!e) { + PERROR("Unable to add callsite for tracepoint \"%s\"", name); + return; + } + cds_hlist_add_head(&e->hlist, head); + e->tp = tp; + cds_list_add(&e->node, &lib->callsites); + + tp_entry = get_tracepoint(name); + if (!tp_entry) + return; + tp_entry->callsite_refcount++; +} + +/* + * Remove the callsite from the callsite hash table and from lib + * callsite list. Must be called with tracepoint mutex held. + */ +static void remove_callsite(struct callsite_entry *e) +{ + struct tracepoint_entry *tp_entry; + + tp_entry = get_tracepoint(e->tp->name); + if (tp_entry) { + tp_entry->callsite_refcount--; + if (tp_entry->callsite_refcount == 0) + disable_tracepoint(e->tp); + } + cds_hlist_del(&e->hlist); + cds_list_del(&e->node); + free(e); +} + +/* + * Enable/disable all callsites based on the state of a specific + * tracepoint entry. + * Must be called with tracepoint mutex held. + */ +static void tracepoint_sync_callsites(const char *name) +{ + struct cds_hlist_head *head; + struct cds_hlist_node *node; + struct callsite_entry *e; + size_t name_len = strlen(name); + uint32_t hash; + struct tracepoint_entry *tp_entry; + + tp_entry = get_tracepoint(name); + if (name_len > LTTNG_UST_SYM_NAME_LEN - 1) { + WARN("Truncating tracepoint name %s which exceeds size limits of %u chars", name, LTTNG_UST_SYM_NAME_LEN - 1); + name_len = LTTNG_UST_SYM_NAME_LEN - 1; + } + hash = jhash(name, name_len, 0); + head = &callsite_table[hash & (CALLSITE_TABLE_SIZE - 1)]; + cds_hlist_for_each_entry(e, node, head, hlist) { + struct lttng_ust_tracepoint *tp = e->tp; + + if (strncmp(name, tp->name, LTTNG_UST_SYM_NAME_LEN - 1)) + continue; + if (tp_entry) { + set_tracepoint(&tp_entry, tp, + !!tp_entry->refcount); + } else { + disable_tracepoint(tp); + } + } +} + +/** + * tracepoint_update_probe_range - Update a probe range + * @begin: beginning of the range + * @end: end of the range + * + * Updates the probe callback corresponding to a range of tracepoints. + */ +static +void tracepoint_update_probe_range(struct lttng_ust_tracepoint * const *begin, + struct lttng_ust_tracepoint * const *end) +{ + struct lttng_ust_tracepoint * const *iter; + struct tracepoint_entry *mark_entry; + + for (iter = begin; iter < end; iter++) { + if (!*iter) + continue; /* skip dummy */ + if (!(*iter)->name) { + disable_tracepoint(*iter); + continue; + } + mark_entry = get_tracepoint((*iter)->name); + if (mark_entry) { + set_tracepoint(&mark_entry, *iter, + !!mark_entry->refcount); + } else { + disable_tracepoint(*iter); + } + } +} + +static void lib_update_tracepoints(struct tracepoint_lib *lib) +{ + tracepoint_update_probe_range(lib->tracepoints_start, + lib->tracepoints_start + lib->tracepoints_count); +} + +static void lib_register_callsites(struct tracepoint_lib *lib) +{ + struct lttng_ust_tracepoint * const *begin; + struct lttng_ust_tracepoint * const *end; + struct lttng_ust_tracepoint * const *iter; + + begin = lib->tracepoints_start; + end = lib->tracepoints_start + lib->tracepoints_count; + + for (iter = begin; iter < end; iter++) { + if (!*iter) + continue; /* skip dummy */ + if (!(*iter)->name) { + continue; + } + add_callsite(lib, *iter); + } +} + +static void lib_unregister_callsites(struct tracepoint_lib *lib) +{ + struct callsite_entry *callsite, *tmp; + + cds_list_for_each_entry_safe(callsite, tmp, &lib->callsites, node) + remove_callsite(callsite); +} + +/* + * Update probes, removing the faulty probes. + */ +static void tracepoint_update_probes(void) +{ + struct tracepoint_lib *lib; + + /* tracepoints registered from libraries and executable. */ + cds_list_for_each_entry(lib, &libs, list) + lib_update_tracepoints(lib); +} + +static struct lttng_ust_tracepoint_probe * +tracepoint_add_probe(const char *name, void (*probe)(void), void *data, + const char *signature) +{ + struct tracepoint_entry *entry; + struct lttng_ust_tracepoint_probe *old; + + entry = get_tracepoint(name); + if (!entry) { + entry = add_tracepoint(name, signature); + if (IS_ERR(entry)) + return (struct lttng_ust_tracepoint_probe *)entry; + } + old = tracepoint_entry_add_probe(entry, probe, data); + if (IS_ERR(old) && !entry->refcount) + remove_tracepoint(entry); + return old; +} + +/** + * __tracepoint_probe_register - Connect a probe to a tracepoint + * @name: tracepoint name + * @probe: probe handler + * + * Returns 0 if ok, error value on error. + * The probe address must at least be aligned on the architecture pointer size. + * Called with the tracepoint mutex held. + */ +int __tracepoint_probe_register(const char *name, void (*probe)(void), + void *data, const char *signature) +{ + void *old; + int ret = 0; + + DBG("Registering probe to tracepoint %s", name); + + pthread_mutex_lock(&tracepoint_mutex); + old = tracepoint_add_probe(name, probe, data, signature); + if (IS_ERR(old)) { + ret = PTR_ERR(old); + goto end; + } + + tracepoint_sync_callsites(name); + release_probes(old); +end: + pthread_mutex_unlock(&tracepoint_mutex); + return ret; +} + +static void *tracepoint_remove_probe(const char *name, void (*probe)(void), + void *data) +{ + struct tracepoint_entry *entry; + void *old; + + entry = get_tracepoint(name); + if (!entry) + return ERR_PTR(-ENOENT); + old = tracepoint_entry_remove_probe(entry, probe, data); + if (IS_ERR(old)) + return old; + if (!entry->refcount) + remove_tracepoint(entry); + return old; +} + +/** + * tracepoint_probe_unregister - Disconnect a probe from a tracepoint + * @name: tracepoint name + * @probe: probe function pointer + * @probe: probe data pointer + */ +int __tracepoint_probe_unregister(const char *name, void (*probe)(void), + void *data) +{ + void *old; + int ret = 0; + + DBG("Un-registering probe from tracepoint %s", name); + + pthread_mutex_lock(&tracepoint_mutex); + old = tracepoint_remove_probe(name, probe, data); + if (IS_ERR(old)) { + ret = PTR_ERR(old); + goto end; + } + tracepoint_sync_callsites(name); + release_probes(old); +end: + pthread_mutex_unlock(&tracepoint_mutex); + return ret; +} + +static void tracepoint_add_old_probes(void *old) +{ + need_update = 1; + if (old) { + struct tp_probes *tp_probes = caa_container_of(old, + struct tp_probes, probes[0]); + cds_list_add(&tp_probes->u.list, &old_probes); + } +} + +/** + * tracepoint_probe_register_noupdate - register a probe but not connect + * @name: tracepoint name + * @probe: probe handler + * + * caller must call tracepoint_probe_update_all() + */ +int tracepoint_probe_register_noupdate(const char *name, void (*probe)(void), + void *data, const char *signature) +{ + void *old; + int ret = 0; + + pthread_mutex_lock(&tracepoint_mutex); + old = tracepoint_add_probe(name, probe, data, signature); + if (IS_ERR(old)) { + ret = PTR_ERR(old); + goto end; + } + tracepoint_add_old_probes(old); +end: + pthread_mutex_unlock(&tracepoint_mutex); + return ret; +} + +/** + * tracepoint_probe_unregister_noupdate - remove a probe but not disconnect + * @name: tracepoint name + * @probe: probe function pointer + * + * caller must call tracepoint_probe_update_all() + * Called with the tracepoint mutex held. + */ +int tracepoint_probe_unregister_noupdate(const char *name, void (*probe)(void), + void *data) +{ + void *old; + int ret = 0; + + DBG("Un-registering probe from tracepoint %s", name); + + pthread_mutex_lock(&tracepoint_mutex); + old = tracepoint_remove_probe(name, probe, data); + if (IS_ERR(old)) { + ret = PTR_ERR(old); + goto end; + } + tracepoint_add_old_probes(old); +end: + pthread_mutex_unlock(&tracepoint_mutex); + return ret; +} + +/** + * tracepoint_probe_update_all - update tracepoints + */ +void tracepoint_probe_update_all(void) +{ + CDS_LIST_HEAD(release_probes); + struct tp_probes *pos, *next; + + pthread_mutex_lock(&tracepoint_mutex); + if (!need_update) { + goto end; + } + if (!cds_list_empty(&old_probes)) + cds_list_replace_init(&old_probes, &release_probes); + need_update = 0; + + tracepoint_update_probes(); + cds_list_for_each_entry_safe(pos, next, &release_probes, u.list) { + cds_list_del(&pos->u.list); + synchronize_rcu(); + free(pos); + } +end: + pthread_mutex_unlock(&tracepoint_mutex); +} + +void tracepoint_set_new_tracepoint_cb(void (*cb)(struct lttng_ust_tracepoint *)) +{ + new_tracepoint_cb = cb; +} + +static void new_tracepoints(struct lttng_ust_tracepoint * const *start, + struct lttng_ust_tracepoint * const *end) +{ + if (new_tracepoint_cb) { + struct lttng_ust_tracepoint * const *t; + + for (t = start; t < end; t++) { + if (*t) + new_tracepoint_cb(*t); + } + } +} + +int tracepoint_register_lib(struct lttng_ust_tracepoint * const *tracepoints_start, + int tracepoints_count) +{ + struct tracepoint_lib *pl, *iter; + + init_tracepoint(); + + pl = (struct tracepoint_lib *) zmalloc(sizeof(struct tracepoint_lib)); + if (!pl) { + PERROR("Unable to register tracepoint lib"); + return -1; + } + pl->tracepoints_start = tracepoints_start; + pl->tracepoints_count = tracepoints_count; + CDS_INIT_LIST_HEAD(&pl->callsites); + + pthread_mutex_lock(&tracepoint_mutex); + /* + * We sort the libs by struct lib pointer address. + */ + cds_list_for_each_entry_reverse(iter, &libs, list) { + BUG_ON(iter == pl); /* Should never be in the list twice */ + if (iter < pl) { + /* We belong to the location right after iter. */ + cds_list_add(&pl->list, &iter->list); + goto lib_added; + } + } + /* We should be added at the head of the list */ + cds_list_add(&pl->list, &libs); +lib_added: + new_tracepoints(tracepoints_start, tracepoints_start + tracepoints_count); + lib_register_callsites(pl); + lib_update_tracepoints(pl); + pthread_mutex_unlock(&tracepoint_mutex); + + DBG("just registered a tracepoints section from %p and having %d tracepoints", + tracepoints_start, tracepoints_count); + if (ust_debug()) { + int i; + + for (i = 0; i < tracepoints_count; i++) { + DBG("registered tracepoint: %s", tracepoints_start[i]->name); + } + } + + return 0; +} + +int tracepoint_unregister_lib(struct lttng_ust_tracepoint * const *tracepoints_start) +{ + struct tracepoint_lib *lib; + + pthread_mutex_lock(&tracepoint_mutex); + cds_list_for_each_entry(lib, &libs, list) { + if (lib->tracepoints_start != tracepoints_start) + continue; + + cds_list_del(&lib->list); + /* + * Unregistering a callsite also decreases the + * callsite reference count of the corresponding + * tracepoint, and disables the tracepoint if + * the reference count drops to zero. + */ + lib_unregister_callsites(lib); + DBG("just unregistered a tracepoints section from %p", + lib->tracepoints_start); + free(lib); + break; + } + pthread_mutex_unlock(&tracepoint_mutex); + return 0; +} + +/* + * Report in debug message whether the compiler correctly supports weak + * hidden symbols. This test checks that the address associated with two + * weak symbols with hidden visibility is the same when declared within + * two compile units part of the same module. + */ +static void check_weak_hidden(void) +{ + DBG("Your compiler treats weak symbols with hidden visibility for integer objects as %s between compile units part of the same module.", + &__tracepoint_test_symbol1 == lttng_ust_tp_check_weak_hidden1() ? + "SAME address" : + "DIFFERENT addresses"); + DBG("Your compiler treats weak symbols with hidden visibility for pointer objects as %s between compile units part of the same module.", + &__tracepoint_test_symbol2 == lttng_ust_tp_check_weak_hidden2() ? + "SAME address" : + "DIFFERENT addresses"); + DBG("Your compiler treats weak symbols with hidden visibility for 24-byte structure objects as %s between compile units part of the same module.", + &__tracepoint_test_symbol3 == lttng_ust_tp_check_weak_hidden3() ? + "SAME address" : + "DIFFERENT addresses"); +} + +void init_tracepoint(void) +{ + if (uatomic_xchg(&initialized, 1) == 1) + return; + init_usterr(); + check_weak_hidden(); +} + +void exit_tracepoint(void) +{ + initialized = 0; +} + +/* + * Create the wrapper symbols. + */ +#undef tp_rcu_read_lock_bp +#undef tp_rcu_read_unlock_bp +#undef tp_rcu_dereference_bp + +void tp_rcu_read_lock_bp(void) +{ + rcu_read_lock_bp(); +} + +void tp_rcu_read_unlock_bp(void) +{ + rcu_read_unlock_bp(); +} + +void *tp_rcu_dereference_sym_bp(void *p) +{ + return rcu_dereference_bp(p); +} diff --git a/liblttng-ust/ust-core.c b/liblttng-ust/ust-core.c new file mode 100644 index 0000000..6574f93 --- /dev/null +++ b/liblttng-ust/ust-core.c @@ -0,0 +1,116 @@ +/* + * ust-core.c + * + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include "lttng-tracer-core.h" +#include "jhash.h" + +static CDS_LIST_HEAD(lttng_transport_list); + +struct lttng_transport *lttng_transport_find(const char *name) +{ + struct lttng_transport *transport; + + cds_list_for_each_entry(transport, <tng_transport_list, node) { + if (!strcmp(transport->name, name)) + return transport; + } + return NULL; +} + +/** + * lttng_transport_register - LTT transport registration + * @transport: transport structure + * + * Registers a transport which can be used as output to extract the data out of + * LTTng. Called with ust_lock held. + */ +void lttng_transport_register(struct lttng_transport *transport) +{ + cds_list_add_tail(&transport->node, <tng_transport_list); +} + +/** + * lttng_transport_unregister - LTT transport unregistration + * @transport: transport structure + * Called with ust_lock held. + */ +void lttng_transport_unregister(struct lttng_transport *transport) +{ + cds_list_del(&transport->node); +} + +/* + * Needed by comm layer. + */ +struct lttng_enum *lttng_ust_enum_get(struct lttng_session *session, + const char *enum_name) +{ + struct lttng_enum *_enum; + struct cds_hlist_head *head; + struct cds_hlist_node *node; + size_t name_len = strlen(enum_name); + uint32_t hash; + + hash = jhash(enum_name, name_len, 0); + head = &session->enums_ht.table[hash & (LTTNG_UST_ENUM_HT_SIZE - 1)]; + cds_hlist_for_each_entry(_enum, node, head, hlist) { + assert(_enum->desc); + if (!strncmp(_enum->desc->name, enum_name, + LTTNG_UST_SYM_NAME_LEN - 1)) + return _enum; + } + return NULL; +} + +size_t lttng_ust_dummy_get_size(struct lttng_ctx_field *field, size_t offset) +{ + size_t size = 0; + + size += lib_ring_buffer_align(offset, lttng_alignof(char)); + size += sizeof(char); /* tag */ + return size; +} + +void lttng_ust_dummy_record(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan) +{ + char sel_char = (char) LTTNG_UST_DYNAMIC_TYPE_NONE; + + lib_ring_buffer_align_ctx(ctx, lttng_alignof(sel_char)); + chan->ops->event_write(ctx, &sel_char, sizeof(sel_char)); +} + +void lttng_ust_dummy_get_value(struct lttng_ctx_field *field, + struct lttng_ctx_value *value) +{ + value->sel = LTTNG_UST_DYNAMIC_TYPE_NONE; +} + +int lttng_context_is_app(const char *name) +{ + if (strncmp(name, "$app.", strlen("$app.")) != 0) { + return 0; + } + return 1; +} diff --git a/liblttng-ust/wait.h b/liblttng-ust/wait.h new file mode 100644 index 0000000..6cc0e37 --- /dev/null +++ b/liblttng-ust/wait.h @@ -0,0 +1,50 @@ +#ifndef _UST_WAIT_H +#define _UST_WAIT_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +/* + * Wait until "cond" gets true or timeout (in ms). + */ +#define wait_cond_interruptible_timeout(_cond, _timeout) \ + ({ \ + int __ret = 0, __pollret; \ + int __timeout = _timeout; \ + \ + for (;;) { \ + if (_cond) \ + break; \ + if (__timeout <= 0) { \ + __ret = -ETIMEDOUT; \ + break; \ + } \ + __pollret = poll(NULL, 0, 10); /* wait 10ms */ \ + if (__pollret < 0) { \ + __ret = -errno; \ + break; \ + } \ + __timeout -= 10; \ + } \ + __ret; \ + }) + + +#endif /* _UST_WAIT_H */ diff --git a/libringbuffer/Makefile.am b/libringbuffer/Makefile.am new file mode 100644 index 0000000..271c8be --- /dev/null +++ b/libringbuffer/Makefile.am @@ -0,0 +1,20 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include +AM_CFLAGS = -fno-strict-aliasing + +noinst_LTLIBRARIES = libringbuffer.la + +libringbuffer_la_SOURCES = \ + smp.h smp.c getcpu.h \ + shm.c shm.h shm_types.h shm_internal.h \ + ring_buffer_backend.c \ + ring_buffer_frontend.c \ + api.h \ + backend.h backend_internal.h backend_types.h \ + frontend_api.h frontend.h frontend_internal.h frontend_types.h \ + nohz.h vatomic.h tlsfixup.h + +libringbuffer_la_LIBADD = \ + -lpthread \ + -lrt + +libringbuffer_la_CFLAGS = -DUST_COMPONENT="libringbuffer" -fno-strict-aliasing diff --git a/libringbuffer/Makefile.in b/libringbuffer/Makefile.in new file mode 100644 index 0000000..94e2bab --- /dev/null +++ b/libringbuffer/Makefile.in @@ -0,0 +1,678 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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least) may be exceeded. +.NOEXPORT: diff --git a/libringbuffer/api.h b/libringbuffer/api.h new file mode 100644 index 0000000..2ceae50 --- /dev/null +++ b/libringbuffer/api.h @@ -0,0 +1,37 @@ +#ifndef _LTTNG_RING_BUFFER_API_H +#define _LTTNG_RING_BUFFER_API_H + +/* + * libringbuffer/api.h + * + * Ring Buffer API. + * + * Copyright (C) 2010-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "backend.h" +#include "frontend.h" +#include + +/* + * ring_buffer_frontend_api.h contains static inline functions that depend on + * client static inlines. Hence the inclusion of this "api" header only + * within the client. + */ +#include "frontend_api.h" + +#endif /* _LTTNG_RING_BUFFER_API_H */ diff --git a/libringbuffer/backend.h b/libringbuffer/backend.h new file mode 100644 index 0000000..53a9714 --- /dev/null +++ b/libringbuffer/backend.h @@ -0,0 +1,229 @@ +#ifndef _LTTNG_RING_BUFFER_BACKEND_H +#define _LTTNG_RING_BUFFER_BACKEND_H + +/* + * libringbuffer/backend.h + * + * Ring buffer backend (API). + * + * Copyright (C) 2011-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Credits to Steven Rostedt for proposing to use an extra-subbuffer owned by + * the reader in flight recorder mode. + */ + +#include + +/* Internal helpers */ +#include "backend_internal.h" +#include "frontend_internal.h" + +/* Ring buffer backend API */ + +/* Ring buffer backend access (read/write) */ + +extern size_t lib_ring_buffer_read(struct lttng_ust_lib_ring_buffer_backend *bufb, + size_t offset, void *dest, size_t len, + struct lttng_ust_shm_handle *handle); + +extern int lib_ring_buffer_read_cstr(struct lttng_ust_lib_ring_buffer_backend *bufb, + size_t offset, void *dest, size_t len, + struct lttng_ust_shm_handle *handle); + +/* + * Return the address where a given offset is located. + * Should be used to get the current subbuffer header pointer. Given we know + * it's never on a page boundary, it's safe to write directly to this address, + * as long as the write is never bigger than a page size. + */ +extern void * +lib_ring_buffer_offset_address(struct lttng_ust_lib_ring_buffer_backend *bufb, + size_t offset, + struct lttng_ust_shm_handle *handle); +extern void * +lib_ring_buffer_read_offset_address(struct lttng_ust_lib_ring_buffer_backend *bufb, + size_t offset, + struct lttng_ust_shm_handle *handle); + +/** + * lib_ring_buffer_write - write data to a buffer backend + * @config : ring buffer instance configuration + * @ctx: ring buffer context. (input arguments only) + * @src : source pointer to copy from + * @len : length of data to copy + * + * This function copies "len" bytes of data from a source pointer to a buffer + * backend, at the current context offset. This is more or less a buffer + * backend-specific memcpy() operation. Calls the slow path (_ring_buffer_write) + * if copy is crossing a page boundary. + */ +static inline +void lib_ring_buffer_write(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + const void *src, size_t len) +{ + struct lttng_ust_lib_ring_buffer_backend *bufb = &ctx->buf->backend; + struct channel_backend *chanb = &ctx->chan->backend; + struct lttng_ust_shm_handle *handle = ctx->handle; + size_t sbidx; + size_t offset = ctx->buf_offset; + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *rpages; + unsigned long sb_bindex, id; + + if (caa_unlikely(!len)) + return; + offset &= chanb->buf_size - 1; + sbidx = offset >> chanb->subbuf_size_order; + id = shmp_index(handle, bufb->buf_wsb, sbidx)->id; + sb_bindex = subbuffer_id_get_index(config, id); + rpages = shmp_index(handle, bufb->array, sb_bindex); + CHAN_WARN_ON(ctx->chan, + config->mode == RING_BUFFER_OVERWRITE + && subbuffer_id_is_noref(config, id)); + /* + * Underlying layer should never ask for writes across + * subbuffers. + */ + CHAN_WARN_ON(chanb, offset >= chanb->buf_size); + lib_ring_buffer_do_copy(config, + shmp_index(handle, shmp(handle, rpages->shmp)->p, offset & (chanb->subbuf_size - 1)), + src, len); + ctx->buf_offset += len; +} + +/* + * Copy up to @len string bytes from @src to @dest. Stop whenever a NULL + * terminating character is found in @src. Returns the number of bytes + * copied. Does *not* terminate @dest with NULL terminating character. + */ +static inline +size_t lib_ring_buffer_do_strcpy(const struct lttng_ust_lib_ring_buffer_config *config, + char *dest, const char *src, size_t len) +{ + size_t count; + + for (count = 0; count < len; count++) { + char c; + + /* + * Only read source character once, in case it is + * modified concurrently. + */ + c = CMM_LOAD_SHARED(src[count]); + if (!c) + break; + lib_ring_buffer_do_copy(config, &dest[count], &c, 1); + } + return count; +} + +/** + * lib_ring_buffer_strcpy - write string data to a buffer backend + * @config : ring buffer instance configuration + * @ctx: ring buffer context. (input arguments only) + * @src : source pointer to copy from + * @len : length of data to copy + * @pad : character to use for padding + * + * This function copies @len - 1 bytes of string data from a source + * pointer to a buffer backend, followed by a terminating '\0' + * character, at the current context offset. This is more or less a + * buffer backend-specific strncpy() operation. If a terminating '\0' + * character is found in @src before @len - 1 characters are copied, pad + * the buffer with @pad characters (e.g. '#'). + */ +static inline +void lib_ring_buffer_strcpy(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + const char *src, size_t len, int pad) +{ + struct lttng_ust_lib_ring_buffer_backend *bufb = &ctx->buf->backend; + struct channel_backend *chanb = &ctx->chan->backend; + struct lttng_ust_shm_handle *handle = ctx->handle; + size_t sbidx, count; + size_t offset = ctx->buf_offset; + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *rpages; + unsigned long sb_bindex, id; + + if (caa_unlikely(!len)) + return; + offset &= chanb->buf_size - 1; + sbidx = offset >> chanb->subbuf_size_order; + id = shmp_index(handle, bufb->buf_wsb, sbidx)->id; + sb_bindex = subbuffer_id_get_index(config, id); + rpages = shmp_index(handle, bufb->array, sb_bindex); + CHAN_WARN_ON(ctx->chan, + config->mode == RING_BUFFER_OVERWRITE + && subbuffer_id_is_noref(config, id)); + /* + * Underlying layer should never ask for writes across + * subbuffers. + */ + CHAN_WARN_ON(chanb, offset >= chanb->buf_size); + count = lib_ring_buffer_do_strcpy(config, + shmp_index(handle, shmp(handle, rpages->shmp)->p, + offset & (chanb->subbuf_size - 1)), + src, len - 1); + offset += count; + /* Padding */ + if (caa_unlikely(count < len - 1)) { + size_t pad_len = len - 1 - count; + + lib_ring_buffer_do_memset(shmp_index(handle, shmp(handle, rpages->shmp)->p, + offset & (chanb->subbuf_size - 1)), + pad, pad_len); + offset += pad_len; + } + /* Final '\0' */ + lib_ring_buffer_do_memset(shmp_index(handle, shmp(handle, rpages->shmp)->p, + offset & (chanb->subbuf_size - 1)), + '\0', 1); + ctx->buf_offset += len; +} + +/* + * This accessor counts the number of unread records in a buffer. + * It only provides a consistent value if no reads not writes are performed + * concurrently. + */ +static inline +unsigned long lib_ring_buffer_get_records_unread( + const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle) +{ + struct lttng_ust_lib_ring_buffer_backend *bufb = &buf->backend; + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *pages; + unsigned long records_unread = 0, sb_bindex, id; + unsigned int i; + + for (i = 0; i < shmp(handle, bufb->chan)->backend.num_subbuf; i++) { + id = shmp_index(handle, bufb->buf_wsb, i)->id; + sb_bindex = subbuffer_id_get_index(config, id); + pages = shmp_index(handle, bufb->array, sb_bindex); + records_unread += v_read(config, &shmp(handle, pages->shmp)->records_unread); + } + if (config->mode == RING_BUFFER_OVERWRITE) { + id = bufb->buf_rsb.id; + sb_bindex = subbuffer_id_get_index(config, id); + pages = shmp_index(handle, bufb->array, sb_bindex); + records_unread += v_read(config, &shmp(handle, pages->shmp)->records_unread); + } + return records_unread; +} + +#endif /* _LTTNG_RING_BUFFER_BACKEND_H */ diff --git a/libringbuffer/backend_internal.h b/libringbuffer/backend_internal.h new file mode 100644 index 0000000..df3617c --- /dev/null +++ b/libringbuffer/backend_internal.h @@ -0,0 +1,512 @@ +#ifndef _LTTNG_RING_BUFFER_BACKEND_INTERNAL_H +#define _LTTNG_RING_BUFFER_BACKEND_INTERNAL_H + +/* + * libringbuffer/backend_internal.h + * + * Ring buffer backend (internal helpers). + * + * Copyright (C) 2005-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +#include +#include "backend_types.h" +#include "frontend_types.h" +#include "shm.h" + +/* Ring buffer backend API presented to the frontend */ + +/* Ring buffer and channel backend create/free */ + +int lib_ring_buffer_backend_create(struct lttng_ust_lib_ring_buffer_backend *bufb, + struct channel_backend *chan, int cpu, + struct lttng_ust_shm_handle *handle, + struct shm_object *shmobj); +void channel_backend_unregister_notifiers(struct channel_backend *chanb); +void lib_ring_buffer_backend_free(struct lttng_ust_lib_ring_buffer_backend *bufb); +int channel_backend_init(struct channel_backend *chanb, + const char *name, + const struct lttng_ust_lib_ring_buffer_config *config, + size_t subbuf_size, + size_t num_subbuf, struct lttng_ust_shm_handle *handle, + const int *stream_fds); +void channel_backend_free(struct channel_backend *chanb, + struct lttng_ust_shm_handle *handle); + +void lib_ring_buffer_backend_reset(struct lttng_ust_lib_ring_buffer_backend *bufb, + struct lttng_ust_shm_handle *handle); +void channel_backend_reset(struct channel_backend *chanb); + +int lib_ring_buffer_backend_init(void); +void lib_ring_buffer_backend_exit(void); + +extern void _lib_ring_buffer_write(struct lttng_ust_lib_ring_buffer_backend *bufb, + size_t offset, const void *src, size_t len, + ssize_t pagecpy); + +/* + * Subbuffer ID bits for overwrite mode. Need to fit within a single word to be + * exchanged atomically. + * + * Top half word, except lowest bit, belongs to "offset", which is used to keep + * to count the produced buffers. For overwrite mode, this provides the + * consumer with the capacity to read subbuffers in order, handling the + * situation where producers would write up to 2^15 buffers (or 2^31 for 64-bit + * systems) concurrently with a single execution of get_subbuf (between offset + * sampling and subbuffer ID exchange). + */ + +#define HALF_ULONG_BITS (CAA_BITS_PER_LONG >> 1) + +#define SB_ID_OFFSET_SHIFT (HALF_ULONG_BITS + 1) +#define SB_ID_OFFSET_COUNT (1UL << SB_ID_OFFSET_SHIFT) +#define SB_ID_OFFSET_MASK (~(SB_ID_OFFSET_COUNT - 1)) +/* + * Lowest bit of top word half belongs to noref. Used only for overwrite mode. + */ +#define SB_ID_NOREF_SHIFT (SB_ID_OFFSET_SHIFT - 1) +#define SB_ID_NOREF_COUNT (1UL << SB_ID_NOREF_SHIFT) +#define SB_ID_NOREF_MASK SB_ID_NOREF_COUNT +/* + * In overwrite mode: lowest half of word is used for index. + * Limit of 2^16 subbuffers per buffer on 32-bit, 2^32 on 64-bit. + * In producer-consumer mode: whole word used for index. + */ +#define SB_ID_INDEX_SHIFT 0 +#define SB_ID_INDEX_COUNT (1UL << SB_ID_INDEX_SHIFT) +#define SB_ID_INDEX_MASK (SB_ID_NOREF_COUNT - 1) + +/* + * Construct the subbuffer id from offset, index and noref. Use only the index + * for producer-consumer mode (offset and noref are only used in overwrite + * mode). + */ +static inline +unsigned long subbuffer_id(const struct lttng_ust_lib_ring_buffer_config *config, + unsigned long offset, unsigned long noref, + unsigned long index) +{ + if (config->mode == RING_BUFFER_OVERWRITE) + return (offset << SB_ID_OFFSET_SHIFT) + | (noref << SB_ID_NOREF_SHIFT) + | index; + else + return index; +} + +/* + * Compare offset with the offset contained within id. Return 1 if the offset + * bits are identical, else 0. + */ +static inline +int subbuffer_id_compare_offset(const struct lttng_ust_lib_ring_buffer_config *config, + unsigned long id, unsigned long offset) +{ + return (id & SB_ID_OFFSET_MASK) == (offset << SB_ID_OFFSET_SHIFT); +} + +static inline +unsigned long subbuffer_id_get_index(const struct lttng_ust_lib_ring_buffer_config *config, + unsigned long id) +{ + if (config->mode == RING_BUFFER_OVERWRITE) + return id & SB_ID_INDEX_MASK; + else + return id; +} + +static inline +unsigned long subbuffer_id_is_noref(const struct lttng_ust_lib_ring_buffer_config *config, + unsigned long id) +{ + if (config->mode == RING_BUFFER_OVERWRITE) + return !!(id & SB_ID_NOREF_MASK); + else + return 1; +} + +/* + * Only used by reader on subbuffer ID it has exclusive access to. No volatile + * needed. + */ +static inline +void subbuffer_id_set_noref(const struct lttng_ust_lib_ring_buffer_config *config, + unsigned long *id) +{ + if (config->mode == RING_BUFFER_OVERWRITE) + *id |= SB_ID_NOREF_MASK; +} + +static inline +void subbuffer_id_set_noref_offset(const struct lttng_ust_lib_ring_buffer_config *config, + unsigned long *id, unsigned long offset) +{ + unsigned long tmp; + + if (config->mode == RING_BUFFER_OVERWRITE) { + tmp = *id; + tmp &= ~SB_ID_OFFSET_MASK; + tmp |= offset << SB_ID_OFFSET_SHIFT; + tmp |= SB_ID_NOREF_MASK; + /* Volatile store, read concurrently by readers. */ + CMM_ACCESS_ONCE(*id) = tmp; + } +} + +/* No volatile access, since already used locally */ +static inline +void subbuffer_id_clear_noref(const struct lttng_ust_lib_ring_buffer_config *config, + unsigned long *id) +{ + if (config->mode == RING_BUFFER_OVERWRITE) + *id &= ~SB_ID_NOREF_MASK; +} + +/* + * For overwrite mode, cap the number of subbuffers per buffer to: + * 2^16 on 32-bit architectures + * 2^32 on 64-bit architectures + * This is required to fit in the index part of the ID. Return 0 on success, + * -EPERM on failure. + */ +static inline +int subbuffer_id_check_index(const struct lttng_ust_lib_ring_buffer_config *config, + unsigned long num_subbuf) +{ + if (config->mode == RING_BUFFER_OVERWRITE) + return (num_subbuf > (1UL << HALF_ULONG_BITS)) ? -EPERM : 0; + else + return 0; +} + +static inline +void subbuffer_count_record(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_backend *bufb, + unsigned long idx, struct lttng_ust_shm_handle *handle) +{ + unsigned long sb_bindex; + + sb_bindex = subbuffer_id_get_index(config, shmp_index(handle, bufb->buf_wsb, idx)->id); + v_inc(config, &shmp(handle, shmp_index(handle, bufb->array, sb_bindex)->shmp)->records_commit); +} + +/* + * Reader has exclusive subbuffer access for record consumption. No need to + * perform the decrement atomically. + */ +static inline +void subbuffer_consume_record(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_backend *bufb, + struct lttng_ust_shm_handle *handle) +{ + unsigned long sb_bindex; + + sb_bindex = subbuffer_id_get_index(config, bufb->buf_rsb.id); + CHAN_WARN_ON(shmp(handle, bufb->chan), + !v_read(config, &shmp(handle, shmp_index(handle, bufb->array, sb_bindex)->shmp)->records_unread)); + /* Non-atomic decrement protected by exclusive subbuffer access */ + _v_dec(config, &shmp(handle, shmp_index(handle, bufb->array, sb_bindex)->shmp)->records_unread); + v_inc(config, &bufb->records_read); +} + +static inline +unsigned long subbuffer_get_records_count( + const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_backend *bufb, + unsigned long idx, + struct lttng_ust_shm_handle *handle) +{ + unsigned long sb_bindex; + + sb_bindex = subbuffer_id_get_index(config, shmp_index(handle, bufb->buf_wsb, idx)->id); + return v_read(config, &shmp(handle, shmp_index(handle, bufb->array, sb_bindex)->shmp)->records_commit); +} + +/* + * Must be executed at subbuffer delivery when the writer has _exclusive_ + * subbuffer access. See lib_ring_buffer_check_deliver() for details. + * lib_ring_buffer_get_records_count() must be called to get the records + * count before this function, because it resets the records_commit + * count. + */ +static inline +unsigned long subbuffer_count_records_overrun( + const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_backend *bufb, + unsigned long idx, + struct lttng_ust_shm_handle *handle) +{ + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *pages; + unsigned long overruns, sb_bindex; + + sb_bindex = subbuffer_id_get_index(config, shmp_index(handle, bufb->buf_wsb, idx)->id); + pages = shmp_index(handle, bufb->array, sb_bindex); + overruns = v_read(config, &shmp(handle, pages->shmp)->records_unread); + v_set(config, &shmp(handle, pages->shmp)->records_unread, + v_read(config, &shmp(handle, pages->shmp)->records_commit)); + v_set(config, &shmp(handle, pages->shmp)->records_commit, 0); + + return overruns; +} + +static inline +void subbuffer_set_data_size(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_backend *bufb, + unsigned long idx, + unsigned long data_size, + struct lttng_ust_shm_handle *handle) +{ + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *pages; + unsigned long sb_bindex; + + sb_bindex = subbuffer_id_get_index(config, shmp_index(handle, bufb->buf_wsb, idx)->id); + pages = shmp_index(handle, bufb->array, sb_bindex); + shmp(handle, pages->shmp)->data_size = data_size; +} + +static inline +unsigned long subbuffer_get_read_data_size( + const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_backend *bufb, + struct lttng_ust_shm_handle *handle) +{ + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *pages; + unsigned long sb_bindex; + + sb_bindex = subbuffer_id_get_index(config, bufb->buf_rsb.id); + pages = shmp_index(handle, bufb->array, sb_bindex); + return shmp(handle, pages->shmp)->data_size; +} + +static inline +unsigned long subbuffer_get_data_size( + const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_backend *bufb, + unsigned long idx, + struct lttng_ust_shm_handle *handle) +{ + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *pages; + unsigned long sb_bindex; + + sb_bindex = subbuffer_id_get_index(config, shmp_index(handle, bufb->buf_wsb, idx)->id); + pages = shmp_index(handle, bufb->array, sb_bindex); + return shmp(handle, pages->shmp)->data_size; +} + +static inline +void subbuffer_inc_packet_count(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_backend *bufb, + unsigned long idx, struct lttng_ust_shm_handle *handle) +{ + shmp_index(handle, bufb->buf_cnt, idx)->seq_cnt++; +} + +/** + * lib_ring_buffer_clear_noref - Clear the noref subbuffer flag, called by + * writer. + */ +static inline +void lib_ring_buffer_clear_noref(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_backend *bufb, + unsigned long idx, + struct lttng_ust_shm_handle *handle) +{ + unsigned long id, new_id; + + if (config->mode != RING_BUFFER_OVERWRITE) + return; + + /* + * Performing a volatile access to read the sb_pages, because we want to + * read a coherent version of the pointer and the associated noref flag. + */ + id = CMM_ACCESS_ONCE(shmp_index(handle, bufb->buf_wsb, idx)->id); + for (;;) { + /* This check is called on the fast path for each record. */ + if (caa_likely(!subbuffer_id_is_noref(config, id))) { + /* + * Store after load dependency ordering the writes to + * the subbuffer after load and test of the noref flag + * matches the memory barrier implied by the cmpxchg() + * in update_read_sb_index(). + */ + return; /* Already writing to this buffer */ + } + new_id = id; + subbuffer_id_clear_noref(config, &new_id); + new_id = uatomic_cmpxchg(&shmp_index(handle, bufb->buf_wsb, idx)->id, id, new_id); + if (caa_likely(new_id == id)) + break; + id = new_id; + } +} + +/** + * lib_ring_buffer_set_noref_offset - Set the noref subbuffer flag and offset, + * called by writer. + */ +static inline +void lib_ring_buffer_set_noref_offset(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_backend *bufb, + unsigned long idx, unsigned long offset, + struct lttng_ust_shm_handle *handle) +{ + if (config->mode != RING_BUFFER_OVERWRITE) + return; + + /* + * Because ring_buffer_set_noref() is only called by a single thread + * (the one which updated the cc_sb value), there are no concurrent + * updates to take care of: other writers have not updated cc_sb, so + * they cannot set the noref flag, and concurrent readers cannot modify + * the pointer because the noref flag is not set yet. + * The smp_wmb() in ring_buffer_commit() takes care of ordering writes + * to the subbuffer before this set noref operation. + * subbuffer_set_noref() uses a volatile store to deal with concurrent + * readers of the noref flag. + */ + CHAN_WARN_ON(shmp(handle, bufb->chan), + subbuffer_id_is_noref(config, shmp_index(handle, bufb->buf_wsb, idx)->id)); + /* + * Memory barrier that ensures counter stores are ordered before set + * noref and offset. + */ + cmm_smp_mb(); + subbuffer_id_set_noref_offset(config, &shmp_index(handle, bufb->buf_wsb, idx)->id, offset); +} + +/** + * update_read_sb_index - Read-side subbuffer index update. + */ +static inline +int update_read_sb_index(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_backend *bufb, + struct channel_backend *chanb, + unsigned long consumed_idx, + unsigned long consumed_count, + struct lttng_ust_shm_handle *handle) +{ + unsigned long old_id, new_id; + + if (config->mode == RING_BUFFER_OVERWRITE) { + /* + * Exchange the target writer subbuffer with our own unused + * subbuffer. No need to use CMM_ACCESS_ONCE() here to read the + * old_wpage, because the value read will be confirmed by the + * following cmpxchg(). + */ + old_id = shmp_index(handle, bufb->buf_wsb, consumed_idx)->id; + if (caa_unlikely(!subbuffer_id_is_noref(config, old_id))) + return -EAGAIN; + /* + * Make sure the offset count we are expecting matches the one + * indicated by the writer. + */ + if (caa_unlikely(!subbuffer_id_compare_offset(config, old_id, + consumed_count))) + return -EAGAIN; + CHAN_WARN_ON(shmp(handle, bufb->chan), + !subbuffer_id_is_noref(config, bufb->buf_rsb.id)); + subbuffer_id_set_noref_offset(config, &bufb->buf_rsb.id, + consumed_count); + new_id = uatomic_cmpxchg(&shmp_index(handle, bufb->buf_wsb, consumed_idx)->id, old_id, + bufb->buf_rsb.id); + if (caa_unlikely(old_id != new_id)) + return -EAGAIN; + bufb->buf_rsb.id = new_id; + } else { + /* No page exchange, use the writer page directly */ + bufb->buf_rsb.id = shmp_index(handle, bufb->buf_wsb, consumed_idx)->id; + } + return 0; +} + +#ifndef inline_memcpy +#define inline_memcpy(dest, src, n) memcpy(dest, src, n) +#endif + +/* + * Use the architecture-specific memcpy implementation for constant-sized + * inputs, but rely on an inline memcpy for length statically unknown. + * The function call to memcpy is just way too expensive for a fast path. + */ +#define lib_ring_buffer_do_copy(config, dest, src, len) \ +do { \ + size_t __len = (len); \ + if (__builtin_constant_p(len)) \ + memcpy(dest, src, __len); \ + else \ + inline_memcpy(dest, src, __len); \ +} while (0) + +/* + * write len bytes to dest with c + */ +static inline +void lib_ring_buffer_do_memset(char *dest, int c, unsigned long len) +{ + unsigned long i; + + for (i = 0; i < len; i++) + dest[i] = c; +} + +/* arch-agnostic implementation */ + +static inline int lttng_ust_fls(unsigned int x) +{ + int r = 32; + + if (!x) + return 0; + if (!(x & 0xFFFF0000U)) { + x <<= 16; + r -= 16; + } + if (!(x & 0xFF000000U)) { + x <<= 8; + r -= 8; + } + if (!(x & 0xF0000000U)) { + x <<= 4; + r -= 4; + } + if (!(x & 0xC0000000U)) { + x <<= 2; + r -= 2; + } + if (!(x & 0x80000000U)) { + /* No need to bit shift on last operation */ + r -= 1; + } + return r; +} + +static inline int get_count_order(unsigned int count) +{ + int order; + + order = lttng_ust_fls(count) - 1; + if (count & (count - 1)) + order++; + return order; +} + +#endif /* _LTTNG_RING_BUFFER_BACKEND_INTERNAL_H */ diff --git a/libringbuffer/backend_types.h b/libringbuffer/backend_types.h new file mode 100644 index 0000000..83fe048 --- /dev/null +++ b/libringbuffer/backend_types.h @@ -0,0 +1,111 @@ +#ifndef _LTTNG_RING_BUFFER_BACKEND_TYPES_H +#define _LTTNG_RING_BUFFER_BACKEND_TYPES_H + +/* + * linux/ringbuffer/backend_types.h + * + * Ring buffer backend (types). + * + * Copyright (C) 2008-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include "shm_internal.h" +#include "vatomic.h" + +#define RB_BACKEND_PAGES_PADDING 16 +struct lttng_ust_lib_ring_buffer_backend_pages { + unsigned long mmap_offset; /* offset of the subbuffer in mmap */ + union v_atomic records_commit; /* current records committed count */ + union v_atomic records_unread; /* records to read */ + unsigned long data_size; /* Amount of data to read from subbuf */ + DECLARE_SHMP(char, p); /* Backing memory map */ + char padding[RB_BACKEND_PAGES_PADDING]; +}; + +struct lttng_ust_lib_ring_buffer_backend_subbuffer { + /* Identifier for subbuf backend pages. Exchanged atomically. */ + unsigned long id; /* backend subbuffer identifier */ +}; + +struct lttng_ust_lib_ring_buffer_backend_counts { + /* + * Counter specific to the sub-buffer location within the ring buffer. + * The actual sequence number of the packet within the entire ring + * buffer can be derived from the formula nr_subbuffers * seq_cnt + + * subbuf_idx. + */ + uint64_t seq_cnt; /* packet sequence number */ +}; + +/* + * Forward declaration of frontend-specific channel and ring_buffer. + */ +struct channel; +struct lttng_ust_lib_ring_buffer; + +struct lttng_ust_lib_ring_buffer_backend_pages_shmp { + DECLARE_SHMP(struct lttng_ust_lib_ring_buffer_backend_pages, shmp); +}; + +#define RB_BACKEND_RING_BUFFER_PADDING 64 +struct lttng_ust_lib_ring_buffer_backend { + /* Array of ring_buffer_backend_subbuffer for writer */ + DECLARE_SHMP(struct lttng_ust_lib_ring_buffer_backend_subbuffer, buf_wsb); + /* ring_buffer_backend_subbuffer for reader */ + struct lttng_ust_lib_ring_buffer_backend_subbuffer buf_rsb; + /* Array of lib_ring_buffer_backend_counts for the packet counter */ + DECLARE_SHMP(struct lttng_ust_lib_ring_buffer_backend_counts, buf_cnt); + /* + * Pointer array of backend pages, for whole buffer. + * Indexed by ring_buffer_backend_subbuffer identifier (id) index. + */ + DECLARE_SHMP(struct lttng_ust_lib_ring_buffer_backend_pages_shmp, array); + DECLARE_SHMP(char, memory_map); /* memory mapping */ + + DECLARE_SHMP(struct channel, chan); /* Associated channel */ + int cpu; /* This buffer's cpu. -1 if global. */ + union v_atomic records_read; /* Number of records read */ + unsigned int allocated:1; /* is buffer allocated ? */ + char padding[RB_BACKEND_RING_BUFFER_PADDING]; +}; + +struct lttng_ust_lib_ring_buffer_shmp { + DECLARE_SHMP(struct lttng_ust_lib_ring_buffer, shmp); /* Channel per-cpu buffers */ +}; + +#define RB_BACKEND_CHANNEL_PADDING 64 +struct channel_backend { + unsigned long buf_size; /* Size of the buffer */ + unsigned long subbuf_size; /* Sub-buffer size */ + unsigned int subbuf_size_order; /* Order of sub-buffer size */ + unsigned int num_subbuf_order; /* + * Order of number of sub-buffers/buffer + * for writer. + */ + unsigned int buf_size_order; /* Order of buffer size */ + unsigned int extra_reader_sb:1; /* has extra reader subbuffer ? */ + unsigned long num_subbuf; /* Number of sub-buffers for writer */ + uint64_t start_tsc; /* Channel creation TSC value */ + DECLARE_SHMP(void *, priv_data);/* Client-specific information */ + struct lttng_ust_lib_ring_buffer_config config; /* Ring buffer configuration */ + char name[NAME_MAX]; /* Channel name */ + char padding[RB_BACKEND_CHANNEL_PADDING]; + struct lttng_ust_lib_ring_buffer_shmp buf[]; +}; + +#endif /* _LTTNG_RING_BUFFER_BACKEND_TYPES_H */ diff --git a/libringbuffer/frontend.h b/libringbuffer/frontend.h new file mode 100644 index 0000000..8c85170 --- /dev/null +++ b/libringbuffer/frontend.h @@ -0,0 +1,273 @@ +#ifndef _LTTNG_RING_BUFFER_FRONTEND_H +#define _LTTNG_RING_BUFFER_FRONTEND_H + +/* + * libringbuffer/frontend.h + * + * Ring Buffer Library Synchronization Header (API). + * + * Copyright (C) 2005-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * + * Author: + * Mathieu Desnoyers + * + * See ring_buffer_frontend.c for more information on wait-free algorithms. + */ + +#include +#include + +#include "smp.h" +/* Internal helpers */ +#include "frontend_internal.h" + +/* Buffer creation/removal and setup operations */ + +/* + * switch_timer_interval is the time interval (in us) to fill sub-buffers with + * padding to let readers get those sub-buffers. Used for live streaming. + * + * read_timer_interval is the time interval (in us) to wake up pending readers. + * + * buf_addr is a pointer the the beginning of the preallocated buffer contiguous + * address mapping. It is used only by RING_BUFFER_STATIC configuration. It can + * be set to NULL for other backends. + * + * priv_data (output) is set to a pointer into a "priv_data_len"-sized + * memory area for client-specific data. This memory is managed by lib + * ring buffer. priv_data_align is the alignment required for the + * private data area. + */ + +extern +struct lttng_ust_shm_handle *channel_create(const struct lttng_ust_lib_ring_buffer_config *config, + const char *name, + void **priv_data, + size_t priv_data_align, + size_t priv_data_size, + void *priv_data_init, + void *buf_addr, + size_t subbuf_size, size_t num_subbuf, + unsigned int switch_timer_interval, + unsigned int read_timer_interval, + const int *stream_fds, int nr_stream_fds); + +/* + * channel_destroy finalizes all channel's buffers, waits for readers to + * release all references, and destroys the channel. + */ +extern +void channel_destroy(struct channel *chan, struct lttng_ust_shm_handle *handle, + int consumer); + + +/* Buffer read operations */ + +/* + * Iteration on channel cpumask needs to issue a read barrier to match the write + * barrier in cpu hotplug. It orders the cpumask read before read of per-cpu + * buffer data. The per-cpu buffer is never removed by cpu hotplug; teardown is + * only performed at channel destruction. + */ +#define for_each_channel_cpu(cpu, chan) \ + for_each_possible_cpu(cpu) + +extern struct lttng_ust_lib_ring_buffer *channel_get_ring_buffer( + const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, int cpu, + struct lttng_ust_shm_handle *handle, + int *shm_fd, int *wait_fd, + int *wakeup_fd, + uint64_t *memory_map_size); +extern +int ring_buffer_channel_close_wait_fd(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, + struct lttng_ust_shm_handle *handle); +extern +int ring_buffer_channel_close_wakeup_fd(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, + struct lttng_ust_shm_handle *handle); +extern +int ring_buffer_stream_close_wait_fd(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, + struct lttng_ust_shm_handle *handle, + int cpu); +extern +int ring_buffer_stream_close_wakeup_fd(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, + struct lttng_ust_shm_handle *handle, + int cpu); + +extern int lib_ring_buffer_open_read(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle); +extern void lib_ring_buffer_release_read(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle); + +/* + * Initialize signals for ring buffer. Should be called early e.g. by + * main() in the program to affect all threads. + */ +void lib_ringbuffer_signal_init(void); + +/* + * Read sequence: snapshot, many get_subbuf/put_subbuf, move_consumer. + */ +extern int lib_ring_buffer_snapshot(struct lttng_ust_lib_ring_buffer *buf, + unsigned long *consumed, + unsigned long *produced, + struct lttng_ust_shm_handle *handle); +extern void lib_ring_buffer_move_consumer(struct lttng_ust_lib_ring_buffer *buf, + unsigned long consumed_new, + struct lttng_ust_shm_handle *handle); + +extern int lib_ring_buffer_get_subbuf(struct lttng_ust_lib_ring_buffer *buf, + unsigned long consumed, + struct lttng_ust_shm_handle *handle); +extern void lib_ring_buffer_put_subbuf(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle); + +/* + * lib_ring_buffer_get_next_subbuf/lib_ring_buffer_put_next_subbuf are helpers + * to read sub-buffers sequentially. + */ +static inline int lib_ring_buffer_get_next_subbuf(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle) +{ + int ret; + + ret = lib_ring_buffer_snapshot(buf, &buf->cons_snapshot, + &buf->prod_snapshot, handle); + if (ret) + return ret; + ret = lib_ring_buffer_get_subbuf(buf, buf->cons_snapshot, handle); + return ret; +} + +static inline +void lib_ring_buffer_put_next_subbuf(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle) +{ + lib_ring_buffer_put_subbuf(buf, handle); + lib_ring_buffer_move_consumer(buf, subbuf_align(buf->cons_snapshot, + shmp(handle, buf->backend.chan)), handle); +} + +extern void channel_reset(struct channel *chan); +extern void lib_ring_buffer_reset(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle); + +static inline +unsigned long lib_ring_buffer_get_offset(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf) +{ + return v_read(config, &buf->offset); +} + +static inline +unsigned long lib_ring_buffer_get_consumed(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf) +{ + return uatomic_read(&buf->consumed); +} + +/* + * Must call lib_ring_buffer_is_finalized before reading counters (memory + * ordering enforced with respect to trace teardown). + */ +static inline +int lib_ring_buffer_is_finalized(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf) +{ + int finalized = CMM_ACCESS_ONCE(buf->finalized); + /* + * Read finalized before counters. + */ + cmm_smp_rmb(); + return finalized; +} + +static inline +int lib_ring_buffer_channel_is_finalized(const struct channel *chan) +{ + return chan->finalized; +} + +static inline +int lib_ring_buffer_channel_is_disabled(const struct channel *chan) +{ + return uatomic_read(&chan->record_disabled); +} + +static inline +unsigned long lib_ring_buffer_get_read_data_size( + const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle) +{ + return subbuffer_get_read_data_size(config, &buf->backend, handle); +} + +static inline +unsigned long lib_ring_buffer_get_records_count( + const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf) +{ + return v_read(config, &buf->records_count); +} + +static inline +unsigned long lib_ring_buffer_get_records_overrun( + const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf) +{ + return v_read(config, &buf->records_overrun); +} + +static inline +unsigned long lib_ring_buffer_get_records_lost_full( + const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf) +{ + return v_read(config, &buf->records_lost_full); +} + +static inline +unsigned long lib_ring_buffer_get_records_lost_wrap( + const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf) +{ + return v_read(config, &buf->records_lost_wrap); +} + +static inline +unsigned long lib_ring_buffer_get_records_lost_big( + const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf) +{ + return v_read(config, &buf->records_lost_big); +} + +static inline +unsigned long lib_ring_buffer_get_records_read( + const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf) +{ + return v_read(config, &buf->backend.records_read); +} + +#endif /* _LTTNG_RING_BUFFER_FRONTEND_H */ diff --git a/libringbuffer/frontend_api.h b/libringbuffer/frontend_api.h new file mode 100644 index 0000000..56dbef2 --- /dev/null +++ b/libringbuffer/frontend_api.h @@ -0,0 +1,366 @@ +#ifndef _LTTNG_RING_BUFFER_FRONTEND_API_H +#define _LTTNG_RING_BUFFER_FRONTEND_API_H + +/* + * libringbuffer/frontend_api.h + * + * Copyright (C) 2005-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Ring Buffer Library Synchronization Header (buffer write API). + * + * Author: + * Mathieu Desnoyers + * + * See ring_buffer_frontend.c for more information on wait-free + * algorithms. + * See frontend.h for channel allocation and read-side API. + */ + +#include "frontend.h" +#include +#include + +/** + * lib_ring_buffer_get_cpu - Precedes ring buffer reserve/commit. + * + * Grabs RCU read-side lock and keeps a ring buffer nesting count as + * supplementary safety net to ensure tracer client code will never + * trigger an endless recursion. Returns the processor ID on success, + * -EPERM on failure (nesting count too high). + * + * asm volatile and "memory" clobber prevent the compiler from moving + * instructions out of the ring buffer nesting count. This is required to ensure + * that probe side-effects which can cause recursion (e.g. unforeseen traps, + * divisions by 0, ...) are triggered within the incremented nesting count + * section. + */ +static inline +int lib_ring_buffer_get_cpu(const struct lttng_ust_lib_ring_buffer_config *config) +{ + int cpu, nesting; + + rcu_read_lock(); + cpu = lttng_ust_get_cpu(); + nesting = ++URCU_TLS(lib_ring_buffer_nesting); + cmm_barrier(); + + if (caa_unlikely(nesting > 4)) { + WARN_ON_ONCE(1); + URCU_TLS(lib_ring_buffer_nesting)--; + rcu_read_unlock(); + return -EPERM; + } else + return cpu; +} + +/** + * lib_ring_buffer_put_cpu - Follows ring buffer reserve/commit. + */ +static inline +void lib_ring_buffer_put_cpu(const struct lttng_ust_lib_ring_buffer_config *config) +{ + cmm_barrier(); + URCU_TLS(lib_ring_buffer_nesting)--; /* TLS */ + rcu_read_unlock(); +} + +/* + * lib_ring_buffer_try_reserve is called by lib_ring_buffer_reserve(). It is not + * part of the API per se. + * + * returns 0 if reserve ok, or 1 if the slow path must be taken. + */ +static inline +int lib_ring_buffer_try_reserve(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + unsigned long *o_begin, unsigned long *o_end, + unsigned long *o_old, size_t *before_hdr_pad) +{ + struct channel *chan = ctx->chan; + struct lttng_ust_lib_ring_buffer *buf = ctx->buf; + *o_begin = v_read(config, &buf->offset); + *o_old = *o_begin; + + ctx->tsc = lib_ring_buffer_clock_read(chan); + if ((int64_t) ctx->tsc == -EIO) + return 1; + + /* + * Prefetch cacheline for read because we have to read the previous + * commit counter to increment it and commit seq value to compare it to + * the commit counter. + */ + //prefetch(&buf->commit_hot[subbuf_index(*o_begin, chan)]); + + if (last_tsc_overflow(config, buf, ctx->tsc)) + ctx->rflags |= RING_BUFFER_RFLAG_FULL_TSC; + + if (caa_unlikely(subbuf_offset(*o_begin, chan) == 0)) + return 1; + + ctx->slot_size = record_header_size(config, chan, *o_begin, + before_hdr_pad, ctx); + ctx->slot_size += + lib_ring_buffer_align(*o_begin + ctx->slot_size, + ctx->largest_align) + ctx->data_size; + if (caa_unlikely((subbuf_offset(*o_begin, chan) + ctx->slot_size) + > chan->backend.subbuf_size)) + return 1; + + /* + * Record fits in the current buffer and we are not on a switch + * boundary. It's safe to write. + */ + *o_end = *o_begin + ctx->slot_size; + + if (caa_unlikely((subbuf_offset(*o_end, chan)) == 0)) + /* + * The offset_end will fall at the very beginning of the next + * subbuffer. + */ + return 1; + + return 0; +} + +/** + * lib_ring_buffer_reserve - Reserve space in a ring buffer. + * @config: ring buffer instance configuration. + * @ctx: ring buffer context. (input and output) Must be already initialized. + * + * Atomic wait-free slot reservation. The reserved space starts at the context + * "pre_offset". Its length is "slot_size". The associated time-stamp is "tsc". + * + * Return : + * 0 on success. + * -EAGAIN if channel is disabled. + * -ENOSPC if event size is too large for packet. + * -ENOBUFS if there is currently not enough space in buffer for the event. + * -EIO if data cannot be written into the buffer for any other reason. + */ + +static inline +int lib_ring_buffer_reserve(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_ctx *ctx) +{ + struct channel *chan = ctx->chan; + struct lttng_ust_shm_handle *handle = ctx->handle; + struct lttng_ust_lib_ring_buffer *buf; + unsigned long o_begin, o_end, o_old; + size_t before_hdr_pad = 0; + + if (uatomic_read(&chan->record_disabled)) + return -EAGAIN; + + if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) + buf = shmp(handle, chan->backend.buf[ctx->cpu].shmp); + else + buf = shmp(handle, chan->backend.buf[0].shmp); + if (uatomic_read(&buf->record_disabled)) + return -EAGAIN; + ctx->buf = buf; + + /* + * Perform retryable operations. + */ + if (caa_unlikely(lib_ring_buffer_try_reserve(config, ctx, &o_begin, + &o_end, &o_old, &before_hdr_pad))) + goto slow_path; + + if (caa_unlikely(v_cmpxchg(config, &ctx->buf->offset, o_old, o_end) + != o_old)) + goto slow_path; + + /* + * Atomically update last_tsc. This update races against concurrent + * atomic updates, but the race will always cause supplementary full TSC + * record headers, never the opposite (missing a full TSC record header + * when it would be needed). + */ + save_last_tsc(config, ctx->buf, ctx->tsc); + + /* + * Push the reader if necessary + */ + lib_ring_buffer_reserve_push_reader(ctx->buf, chan, o_end - 1); + + /* + * Clear noref flag for this subbuffer. + */ + lib_ring_buffer_clear_noref(config, &ctx->buf->backend, + subbuf_index(o_end - 1, chan), handle); + + ctx->pre_offset = o_begin; + ctx->buf_offset = o_begin + before_hdr_pad; + return 0; +slow_path: + return lib_ring_buffer_reserve_slow(ctx); +} + +/** + * lib_ring_buffer_switch - Perform a sub-buffer switch for a per-cpu buffer. + * @config: ring buffer instance configuration. + * @buf: buffer + * @mode: buffer switch mode (SWITCH_ACTIVE or SWITCH_FLUSH) + * + * This operation is completely reentrant : can be called while tracing is + * active with absolutely no lock held. + * + * Note, however, that as a v_cmpxchg is used for some atomic operations and + * requires to be executed locally for per-CPU buffers, this function must be + * called from the CPU which owns the buffer for a ACTIVE flush, with preemption + * disabled, for RING_BUFFER_SYNC_PER_CPU configuration. + */ +static inline +void lib_ring_buffer_switch(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, enum switch_mode mode, + struct lttng_ust_shm_handle *handle) +{ + lib_ring_buffer_switch_slow(buf, mode, handle); +} + +/* See ring_buffer_frontend_api.h for lib_ring_buffer_reserve(). */ + +/** + * lib_ring_buffer_commit - Commit an record. + * @config: ring buffer instance configuration. + * @ctx: ring buffer context. (input arguments only) + * + * Atomic unordered slot commit. Increments the commit count in the + * specified sub-buffer, and delivers it if necessary. + */ +static inline +void lib_ring_buffer_commit(const struct lttng_ust_lib_ring_buffer_config *config, + const struct lttng_ust_lib_ring_buffer_ctx *ctx) +{ + struct channel *chan = ctx->chan; + struct lttng_ust_shm_handle *handle = ctx->handle; + struct lttng_ust_lib_ring_buffer *buf = ctx->buf; + unsigned long offset_end = ctx->buf_offset; + unsigned long endidx = subbuf_index(offset_end - 1, chan); + unsigned long commit_count; + + /* + * Must count record before incrementing the commit count. + */ + subbuffer_count_record(config, &buf->backend, endidx, handle); + + /* + * Order all writes to buffer before the commit count update that will + * determine that the subbuffer is full. + */ + cmm_smp_wmb(); + + v_add(config, ctx->slot_size, &shmp_index(handle, buf->commit_hot, endidx)->cc); + + /* + * commit count read can race with concurrent OOO commit count updates. + * This is only needed for lib_ring_buffer_check_deliver (for + * non-polling delivery only) and for + * lib_ring_buffer_write_commit_counter. The race can only cause the + * counter to be read with the same value more than once, which could + * cause : + * - Multiple delivery for the same sub-buffer (which is handled + * gracefully by the reader code) if the value is for a full + * sub-buffer. It's important that we can never miss a sub-buffer + * delivery. Re-reading the value after the v_add ensures this. + * - Reading a commit_count with a higher value that what was actually + * added to it for the lib_ring_buffer_write_commit_counter call + * (again caused by a concurrent committer). It does not matter, + * because this function is interested in the fact that the commit + * count reaches back the reserve offset for a specific sub-buffer, + * which is completely independent of the order. + */ + commit_count = v_read(config, &shmp_index(handle, buf->commit_hot, endidx)->cc); + + lib_ring_buffer_check_deliver(config, buf, chan, offset_end - 1, + commit_count, endidx, handle, ctx->tsc); + /* + * Update used size at each commit. It's needed only for extracting + * ring_buffer buffers from vmcore, after crash. + */ + lib_ring_buffer_write_commit_counter(config, buf, chan, endidx, + offset_end, commit_count, handle); +} + +/** + * lib_ring_buffer_try_discard_reserve - Try discarding a record. + * @config: ring buffer instance configuration. + * @ctx: ring buffer context. (input arguments only) + * + * Only succeeds if no other record has been written after the record to + * discard. If discard fails, the record must be committed to the buffer. + * + * Returns 0 upon success, -EPERM if the record cannot be discarded. + */ +static inline +int lib_ring_buffer_try_discard_reserve(const struct lttng_ust_lib_ring_buffer_config *config, + const struct lttng_ust_lib_ring_buffer_ctx *ctx) +{ + struct lttng_ust_lib_ring_buffer *buf = ctx->buf; + unsigned long end_offset = ctx->pre_offset + ctx->slot_size; + + /* + * We need to ensure that if the cmpxchg succeeds and discards the + * record, the next record will record a full TSC, because it cannot + * rely on the last_tsc associated with the discarded record to detect + * overflows. The only way to ensure this is to set the last_tsc to 0 + * (assuming no 64-bit TSC overflow), which forces to write a 64-bit + * timestamp in the next record. + * + * Note: if discard fails, we must leave the TSC in the record header. + * It is needed to keep track of TSC overflows for the following + * records. + */ + save_last_tsc(config, buf, 0ULL); + + if (caa_likely(v_cmpxchg(config, &buf->offset, end_offset, ctx->pre_offset) + != end_offset)) + return -EPERM; + else + return 0; +} + +static inline +void channel_record_disable(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan) +{ + uatomic_inc(&chan->record_disabled); +} + +static inline +void channel_record_enable(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan) +{ + uatomic_dec(&chan->record_disabled); +} + +static inline +void lib_ring_buffer_record_disable(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf) +{ + uatomic_inc(&buf->record_disabled); +} + +static inline +void lib_ring_buffer_record_enable(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf) +{ + uatomic_dec(&buf->record_disabled); +} + +#endif /* _LTTNG_RING_BUFFER_FRONTEND_API_H */ diff --git a/libringbuffer/frontend_internal.h b/libringbuffer/frontend_internal.h new file mode 100644 index 0000000..00b9508 --- /dev/null +++ b/libringbuffer/frontend_internal.h @@ -0,0 +1,540 @@ +#ifndef _LTTNG_RING_BUFFER_FRONTEND_INTERNAL_H +#define _LTTNG_RING_BUFFER_FRONTEND_INTERNAL_H + +/* + * libringbuffer/frontend_internal.h + * + * Ring Buffer Library Synchronization Header (internal helpers). + * + * Copyright (C) 2005-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * + * Author: + * Mathieu Desnoyers + * + * See ring_buffer_frontend.c for more information on wait-free algorithms. + * + * Dual LGPL v2.1/GPL v2 license. + */ + +#include +#include +#include +#include + +#include +#include "backend_types.h" +#include "frontend_types.h" +#include "shm.h" + +/* Buffer offset macros */ + +/* buf_trunc mask selects only the buffer number. */ +static inline +unsigned long buf_trunc(unsigned long offset, struct channel *chan) +{ + return offset & ~(chan->backend.buf_size - 1); + +} + +/* Select the buffer number value (counter). */ +static inline +unsigned long buf_trunc_val(unsigned long offset, struct channel *chan) +{ + return buf_trunc(offset, chan) >> chan->backend.buf_size_order; +} + +/* buf_offset mask selects only the offset within the current buffer. */ +static inline +unsigned long buf_offset(unsigned long offset, struct channel *chan) +{ + return offset & (chan->backend.buf_size - 1); +} + +/* subbuf_offset mask selects the offset within the current subbuffer. */ +static inline +unsigned long subbuf_offset(unsigned long offset, struct channel *chan) +{ + return offset & (chan->backend.subbuf_size - 1); +} + +/* subbuf_trunc mask selects the subbuffer number. */ +static inline +unsigned long subbuf_trunc(unsigned long offset, struct channel *chan) +{ + return offset & ~(chan->backend.subbuf_size - 1); +} + +/* subbuf_align aligns the offset to the next subbuffer. */ +static inline +unsigned long subbuf_align(unsigned long offset, struct channel *chan) +{ + return (offset + chan->backend.subbuf_size) + & ~(chan->backend.subbuf_size - 1); +} + +/* subbuf_index returns the index of the current subbuffer within the buffer. */ +static inline +unsigned long subbuf_index(unsigned long offset, struct channel *chan) +{ + return buf_offset(offset, chan) >> chan->backend.subbuf_size_order; +} + +/* + * Last TSC comparison functions. Check if the current TSC overflows tsc_bits + * bits from the last TSC read. When overflows are detected, the full 64-bit + * timestamp counter should be written in the record header. Reads and writes + * last_tsc atomically. + */ + +#if (CAA_BITS_PER_LONG == 32) +static inline +void save_last_tsc(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, uint64_t tsc) +{ + if (config->tsc_bits == 0 || config->tsc_bits == 64) + return; + + /* + * Ensure the compiler performs this update in a single instruction. + */ + v_set(config, &buf->last_tsc, (unsigned long)(tsc >> config->tsc_bits)); +} + +static inline +int last_tsc_overflow(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, uint64_t tsc) +{ + unsigned long tsc_shifted; + + if (config->tsc_bits == 0 || config->tsc_bits == 64) + return 0; + + tsc_shifted = (unsigned long)(tsc >> config->tsc_bits); + if (caa_unlikely(tsc_shifted + - (unsigned long)v_read(config, &buf->last_tsc))) + return 1; + else + return 0; +} +#else +static inline +void save_last_tsc(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, uint64_t tsc) +{ + if (config->tsc_bits == 0 || config->tsc_bits == 64) + return; + + v_set(config, &buf->last_tsc, (unsigned long)tsc); +} + +static inline +int last_tsc_overflow(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, uint64_t tsc) +{ + if (config->tsc_bits == 0 || config->tsc_bits == 64) + return 0; + + if (caa_unlikely((tsc - v_read(config, &buf->last_tsc)) + >> config->tsc_bits)) + return 1; + else + return 0; +} +#endif + +extern +int lib_ring_buffer_reserve_slow(struct lttng_ust_lib_ring_buffer_ctx *ctx); + +extern +void lib_ring_buffer_switch_slow(struct lttng_ust_lib_ring_buffer *buf, + enum switch_mode mode, + struct lttng_ust_shm_handle *handle); + +/* Buffer write helpers */ + +static inline +void lib_ring_buffer_reserve_push_reader(struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan, + unsigned long offset) +{ + unsigned long consumed_old, consumed_new; + + do { + consumed_old = uatomic_read(&buf->consumed); + /* + * If buffer is in overwrite mode, push the reader consumed + * count if the write position has reached it and we are not + * at the first iteration (don't push the reader farther than + * the writer). This operation can be done concurrently by many + * writers in the same buffer, the writer being at the farthest + * write position sub-buffer index in the buffer being the one + * which will win this loop. + */ + if (caa_unlikely(subbuf_trunc(offset, chan) + - subbuf_trunc(consumed_old, chan) + >= chan->backend.buf_size)) + consumed_new = subbuf_align(consumed_old, chan); + else + return; + } while (caa_unlikely(uatomic_cmpxchg(&buf->consumed, consumed_old, + consumed_new) != consumed_old)); +} + +static inline +void lib_ring_buffer_vmcore_check_deliver(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, + unsigned long commit_count, + unsigned long idx, + struct lttng_ust_shm_handle *handle) +{ + if (config->oops == RING_BUFFER_OOPS_CONSISTENCY) + v_set(config, &shmp_index(handle, buf->commit_hot, idx)->seq, commit_count); +} + +static inline +int lib_ring_buffer_poll_deliver(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan, + struct lttng_ust_shm_handle *handle) +{ + unsigned long consumed_old, consumed_idx, commit_count, write_offset; + + consumed_old = uatomic_read(&buf->consumed); + consumed_idx = subbuf_index(consumed_old, chan); + commit_count = v_read(config, &shmp_index(handle, buf->commit_cold, consumed_idx)->cc_sb); + /* + * No memory barrier here, since we are only interested + * in a statistically correct polling result. The next poll will + * get the data is we are racing. The mb() that ensures correct + * memory order is in get_subbuf. + */ + write_offset = v_read(config, &buf->offset); + + /* + * Check that the subbuffer we are trying to consume has been + * already fully committed. + */ + + if (((commit_count - chan->backend.subbuf_size) + & chan->commit_count_mask) + - (buf_trunc(consumed_old, chan) + >> chan->backend.num_subbuf_order) + != 0) + return 0; + + /* + * Check that we are not about to read the same subbuffer in + * which the writer head is. + */ + if (subbuf_trunc(write_offset, chan) - subbuf_trunc(consumed_old, chan) + == 0) + return 0; + + return 1; + +} + +static inline +int lib_ring_buffer_pending_data(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan) +{ + return !!subbuf_offset(v_read(config, &buf->offset), chan); +} + +static inline +unsigned long lib_ring_buffer_get_data_size(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, + unsigned long idx, + struct lttng_ust_shm_handle *handle) +{ + return subbuffer_get_data_size(config, &buf->backend, idx, handle); +} + +/* + * Check if all space reservation in a buffer have been committed. This helps + * knowing if an execution context is nested (for per-cpu buffers only). + * This is a very specific ftrace use-case, so we keep this as "internal" API. + */ +static inline +int lib_ring_buffer_reserve_committed(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan, + struct lttng_ust_shm_handle *handle) +{ + unsigned long offset, idx, commit_count; + + CHAN_WARN_ON(chan, config->alloc != RING_BUFFER_ALLOC_PER_CPU); + CHAN_WARN_ON(chan, config->sync != RING_BUFFER_SYNC_PER_CPU); + + /* + * Read offset and commit count in a loop so they are both read + * atomically wrt interrupts. By deal with interrupt concurrency by + * restarting both reads if the offset has been pushed. Note that given + * we only have to deal with interrupt concurrency here, an interrupt + * modifying the commit count will also modify "offset", so it is safe + * to only check for offset modifications. + */ + do { + offset = v_read(config, &buf->offset); + idx = subbuf_index(offset, chan); + commit_count = v_read(config, &shmp_index(handle, buf->commit_hot, idx)->cc); + } while (offset != v_read(config, &buf->offset)); + + return ((buf_trunc(offset, chan) >> chan->backend.num_subbuf_order) + - (commit_count & chan->commit_count_mask) == 0); +} + +static inline +void lib_ring_buffer_wakeup(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle) +{ + int wakeup_fd = shm_get_wakeup_fd(handle, &buf->self._ref); + sigset_t sigpipe_set, pending_set, old_set; + int ret, sigpipe_was_pending = 0; + + if (wakeup_fd < 0) + return; + + /* + * Wake-up the other end by writing a null byte in the pipe + * (non-blocking). Important note: Because writing into the + * pipe is non-blocking (and therefore we allow dropping wakeup + * data, as long as there is wakeup data present in the pipe + * buffer to wake up the consumer), the consumer should perform + * the following sequence for waiting: + * 1) empty the pipe (reads). + * 2) check if there is data in the buffer. + * 3) wait on the pipe (poll). + * + * Discard the SIGPIPE from write(), not disturbing any SIGPIPE + * that might be already pending. If a bogus SIGPIPE is sent to + * the entire process concurrently by a malicious user, it may + * be simply discarded. + */ + ret = sigemptyset(&pending_set); + assert(!ret); + /* + * sigpending returns the mask of signals that are _both_ + * blocked for the thread _and_ pending for either the thread or + * the entire process. + */ + ret = sigpending(&pending_set); + assert(!ret); + sigpipe_was_pending = sigismember(&pending_set, SIGPIPE); + /* + * If sigpipe was pending, it means it was already blocked, so + * no need to block it. + */ + if (!sigpipe_was_pending) { + ret = sigemptyset(&sigpipe_set); + assert(!ret); + ret = sigaddset(&sigpipe_set, SIGPIPE); + assert(!ret); + ret = pthread_sigmask(SIG_BLOCK, &sigpipe_set, &old_set); + assert(!ret); + } + do { + ret = write(wakeup_fd, "", 1); + } while (ret == -1L && errno == EINTR); + if (ret == -1L && errno == EPIPE && !sigpipe_was_pending) { + struct timespec timeout = { 0, 0 }; + do { + ret = sigtimedwait(&sigpipe_set, NULL, + &timeout); + } while (ret == -1L && errno == EINTR); + } + if (!sigpipe_was_pending) { + ret = pthread_sigmask(SIG_SETMASK, &old_set, NULL); + assert(!ret); + } +} + +/* + * Receive end of subbuffer TSC as parameter. It has been read in the + * space reservation loop of either reserve or switch, which ensures it + * progresses monotonically with event records in the buffer. Therefore, + * it ensures that the end timestamp of a subbuffer is <= begin + * timestamp of the following subbuffers. + */ +static inline +void lib_ring_buffer_check_deliver(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan, + unsigned long offset, + unsigned long commit_count, + unsigned long idx, + struct lttng_ust_shm_handle *handle, + uint64_t tsc) +{ + unsigned long old_commit_count = commit_count + - chan->backend.subbuf_size; + + /* Check if all commits have been done */ + if (caa_unlikely((buf_trunc(offset, chan) >> chan->backend.num_subbuf_order) + - (old_commit_count & chan->commit_count_mask) == 0)) { + /* + * If we succeeded at updating cc_sb below, we are the subbuffer + * writer delivering the subbuffer. Deals with concurrent + * updates of the "cc" value without adding a add_return atomic + * operation to the fast path. + * + * We are doing the delivery in two steps: + * - First, we cmpxchg() cc_sb to the new value + * old_commit_count + 1. This ensures that we are the only + * subbuffer user successfully filling the subbuffer, but we + * do _not_ set the cc_sb value to "commit_count" yet. + * Therefore, other writers that would wrap around the ring + * buffer and try to start writing to our subbuffer would + * have to drop records, because it would appear as + * non-filled. + * We therefore have exclusive access to the subbuffer control + * structures. This mutual exclusion with other writers is + * crucially important to perform record overruns count in + * flight recorder mode locklessly. + * - When we are ready to release the subbuffer (either for + * reading or for overrun by other writers), we simply set the + * cc_sb value to "commit_count" and perform delivery. + * + * The subbuffer size is least 2 bytes (minimum size: 1 page). + * This guarantees that old_commit_count + 1 != commit_count. + */ + + /* + * Order prior updates to reserve count prior to the + * commit_cold cc_sb update. + */ + cmm_smp_wmb(); + if (caa_likely(v_cmpxchg(config, &shmp_index(handle, buf->commit_cold, idx)->cc_sb, + old_commit_count, old_commit_count + 1) + == old_commit_count)) { + /* + * Start of exclusive subbuffer access. We are + * guaranteed to be the last writer in this subbuffer + * and any other writer trying to access this subbuffer + * in this state is required to drop records. + */ + v_add(config, + subbuffer_get_records_count(config, + &buf->backend, + idx, handle), + &buf->records_count); + v_add(config, + subbuffer_count_records_overrun(config, + &buf->backend, + idx, handle), + &buf->records_overrun); + config->cb.buffer_end(buf, tsc, idx, + lib_ring_buffer_get_data_size(config, + buf, + idx, + handle), + handle); + + /* + * Increment the packet counter while we have exclusive + * access. + */ + subbuffer_inc_packet_count(config, &buf->backend, idx, handle); + + /* + * Set noref flag and offset for this subbuffer id. + * Contains a memory barrier that ensures counter stores + * are ordered before set noref and offset. + */ + lib_ring_buffer_set_noref_offset(config, &buf->backend, idx, + buf_trunc_val(offset, chan), handle); + + /* + * Order set_noref and record counter updates before the + * end of subbuffer exclusive access. Orders with + * respect to writers coming into the subbuffer after + * wrap around, and also order wrt concurrent readers. + */ + cmm_smp_mb(); + /* End of exclusive subbuffer access */ + v_set(config, &shmp_index(handle, buf->commit_cold, idx)->cc_sb, + commit_count); + /* + * Order later updates to reserve count after + * the commit cold cc_sb update. + */ + cmm_smp_wmb(); + lib_ring_buffer_vmcore_check_deliver(config, buf, + commit_count, idx, handle); + + /* + * RING_BUFFER_WAKEUP_BY_WRITER wakeup is not lock-free. + */ + if (config->wakeup == RING_BUFFER_WAKEUP_BY_WRITER + && uatomic_read(&buf->active_readers) + && lib_ring_buffer_poll_deliver(config, buf, chan, handle)) { + lib_ring_buffer_wakeup(buf, handle); + } + } + } +} + +/* + * lib_ring_buffer_write_commit_counter + * + * For flight recording. must be called after commit. + * This function increments the subbuffer's commit_seq counter each time the + * commit count reaches back the reserve offset (modulo subbuffer size). It is + * useful for crash dump. + */ +static inline +void lib_ring_buffer_write_commit_counter(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan, + unsigned long idx, + unsigned long buf_offset, + unsigned long commit_count, + struct lttng_ust_shm_handle *handle) +{ + unsigned long commit_seq_old; + + if (config->oops != RING_BUFFER_OOPS_CONSISTENCY) + return; + + /* + * subbuf_offset includes commit_count_mask. We can simply + * compare the offsets within the subbuffer without caring about + * buffer full/empty mismatch because offset is never zero here + * (subbuffer header and record headers have non-zero length). + */ + if (caa_unlikely(subbuf_offset(buf_offset - commit_count, chan))) + return; + + commit_seq_old = v_read(config, &shmp_index(handle, buf->commit_hot, idx)->seq); + while ((long) (commit_seq_old - commit_count) < 0) + commit_seq_old = v_cmpxchg(config, &shmp_index(handle, buf->commit_hot, idx)->seq, + commit_seq_old, commit_count); +} + +extern int lib_ring_buffer_create(struct lttng_ust_lib_ring_buffer *buf, + struct channel_backend *chanb, int cpu, + struct lttng_ust_shm_handle *handle, + struct shm_object *shmobj); +extern void lib_ring_buffer_free(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle); + +/* Keep track of trap nesting inside ring buffer code */ +extern DECLARE_URCU_TLS(unsigned int, lib_ring_buffer_nesting); + +#endif /* _LTTNG_RING_BUFFER_FRONTEND_INTERNAL_H */ diff --git a/libringbuffer/frontend_types.h b/libringbuffer/frontend_types.h new file mode 100644 index 0000000..bf4b418 --- /dev/null +++ b/libringbuffer/frontend_types.h @@ -0,0 +1,254 @@ +#ifndef _LTTNG_RING_BUFFER_FRONTEND_TYPES_H +#define _LTTNG_RING_BUFFER_FRONTEND_TYPES_H + +/* + * libringbuffer/frontend_types.h + * + * Ring Buffer Library Synchronization Header (types). + * + * Copyright (C) 2005-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Author: + * Mathieu Desnoyers + * + * See ring_buffer_frontend.c for more information on wait-free algorithms. + */ + +#include +#include /* for timer_t */ + +#include +#include + +#include +#include +#include "backend_types.h" +#include "shm_internal.h" +#include "shm_types.h" +#include "vatomic.h" + +/* + * A switch is done during tracing or as a final flush after tracing (so it + * won't write in the new sub-buffer). + */ +enum switch_mode { SWITCH_ACTIVE, SWITCH_FLUSH }; + +/* channel: collection of per-cpu ring buffers. */ +#define RB_CHANNEL_PADDING 32 +struct channel { + int record_disabled; + unsigned long commit_count_mask; /* + * Commit count mask, removing + * the MSBs corresponding to + * bits used to represent the + * subbuffer index. + */ + + unsigned long switch_timer_interval; /* Buffer flush (us) */ + timer_t switch_timer; + int switch_timer_enabled; + + unsigned long read_timer_interval; /* Reader wakeup (us) */ + timer_t read_timer; + int read_timer_enabled; + + int finalized; /* Has channel been finalized */ + size_t priv_data_offset; + unsigned int nr_streams; /* Number of streams */ + struct lttng_ust_shm_handle *handle; + char padding[RB_CHANNEL_PADDING]; + /* + * Associated backend contains a variable-length array. Needs to + * be last member. + */ + struct channel_backend backend; /* Associated backend */ +} __attribute__((aligned(CAA_CACHE_LINE_SIZE))); + +/* Per-subbuffer commit counters used on the hot path */ +#define RB_COMMIT_COUNT_HOT_PADDING 16 +struct commit_counters_hot { + union v_atomic cc; /* Commit counter */ + union v_atomic seq; /* Consecutive commits */ + char padding[RB_COMMIT_COUNT_HOT_PADDING]; +} __attribute__((aligned(CAA_CACHE_LINE_SIZE))); + +/* Per-subbuffer commit counters used only on cold paths */ +#define RB_COMMIT_COUNT_COLD_PADDING 24 +struct commit_counters_cold { + union v_atomic cc_sb; /* Incremented _once_ at sb switch */ + char padding[RB_COMMIT_COUNT_COLD_PADDING]; +} __attribute__((aligned(CAA_CACHE_LINE_SIZE))); + +/* ring buffer state */ +#define RB_CRASH_DUMP_ABI_LEN 256 +#define RB_RING_BUFFER_PADDING 60 + +#define RB_CRASH_DUMP_ABI_MAGIC_LEN 16 + +/* + * The 128-bit magic number is xor'd in the process data so it does not + * cause a false positive when searching for buffers by scanning memory. + * The actual magic number is: + * 0x17, 0x7B, 0xF1, 0x77, 0xBF, 0x17, 0x7B, 0xF1, + * 0x77, 0xBF, 0x17, 0x7B, 0xF1, 0x77, 0xBF, 0x17, + */ +#define RB_CRASH_DUMP_ABI_MAGIC_XOR \ + { \ + 0x17 ^ 0xFF, 0x7B ^ 0xFF, 0xF1 ^ 0xFF, 0x77 ^ 0xFF, \ + 0xBF ^ 0xFF, 0x17 ^ 0xFF, 0x7B ^ 0xFF, 0xF1 ^ 0xFF, \ + 0x77 ^ 0xFF, 0xBF ^ 0xFF, 0x17 ^ 0xFF, 0x7B ^ 0xFF, \ + 0xF1 ^ 0xFF, 0x77 ^ 0xFF, 0xBF ^ 0xFF, 0x17 ^ 0xFF, \ + } + +#define RB_CRASH_ENDIAN 0x1234 + +#define RB_CRASH_DUMP_ABI_MAJOR 0 +#define RB_CRASH_DUMP_ABI_MINOR 0 + +enum lttng_crash_type { + LTTNG_CRASH_TYPE_UST = 0, + LTTNG_CRASH_TYPE_KERNEL = 1, +}; + +struct lttng_crash_abi { + uint8_t magic[RB_CRASH_DUMP_ABI_MAGIC_LEN]; + uint64_t mmap_length; /* Overall lenght of crash record */ + uint16_t endian; /* + * { 0x12, 0x34 }: big endian + * { 0x34, 0x12 }: little endian + */ + uint16_t major; /* Major number. */ + uint16_t minor; /* Minor number. */ + uint8_t word_size; /* Word size (bytes). */ + uint8_t layout_type; /* enum lttng_crash_type */ + + struct { + uint32_t prod_offset; + uint32_t consumed_offset; + uint32_t commit_hot_array; + uint32_t commit_hot_seq; + uint32_t buf_wsb_array; + uint32_t buf_wsb_id; + uint32_t sb_array; + uint32_t sb_array_shmp_offset; + uint32_t sb_backend_p_offset; + uint32_t content_size; + uint32_t packet_size; + } __attribute__((packed)) offset; + struct { + uint8_t prod_offset; + uint8_t consumed_offset; + uint8_t commit_hot_seq; + uint8_t buf_wsb_id; + uint8_t sb_array_shmp_offset; + uint8_t sb_backend_p_offset; + uint8_t content_size; + uint8_t packet_size; + } __attribute__((packed)) length; + struct { + uint32_t commit_hot_array; + uint32_t buf_wsb_array; + uint32_t sb_array; + } __attribute__((packed)) stride; + + uint64_t buf_size; /* Size of the buffer */ + uint64_t subbuf_size; /* Sub-buffer size */ + uint64_t num_subbuf; /* Number of sub-buffers for writer */ + uint32_t mode; /* Buffer mode: 0: overwrite, 1: discard */ +} __attribute__((packed)); + +struct lttng_ust_lib_ring_buffer { + /* First 32 bytes are for the buffer crash dump ABI */ + struct lttng_crash_abi crash_abi; + + /* 32 bytes cache-hot cacheline */ + union v_atomic __attribute__((aligned(32))) offset; + /* Current offset in the buffer */ + DECLARE_SHMP(struct commit_counters_hot, commit_hot); + /* Commit count per sub-buffer */ + long consumed; /* + * Current offset in the buffer + * standard atomic access (shared) + */ + int record_disabled; + /* End of cache-hot 32 bytes cacheline */ + + union v_atomic last_tsc; /* + * Last timestamp written in the buffer. + */ + + struct lttng_ust_lib_ring_buffer_backend backend; + /* Associated backend */ + + DECLARE_SHMP(struct commit_counters_cold, commit_cold); + /* Commit count per sub-buffer */ + long active_readers; /* + * Active readers count + * standard atomic access (shared) + */ + /* Dropped records */ + union v_atomic records_lost_full; /* Buffer full */ + union v_atomic records_lost_wrap; /* Nested wrap-around */ + union v_atomic records_lost_big; /* Events too big */ + union v_atomic records_count; /* Number of records written */ + union v_atomic records_overrun; /* Number of overwritten records */ + //wait_queue_head_t read_wait; /* reader buffer-level wait queue */ + int finalized; /* buffer has been finalized */ + unsigned long get_subbuf_consumed; /* Read-side consumed */ + unsigned long prod_snapshot; /* Producer count snapshot */ + unsigned long cons_snapshot; /* Consumer count snapshot */ + unsigned int get_subbuf:1; /* Sub-buffer being held by reader */ + /* shmp pointer to self */ + DECLARE_SHMP(struct lttng_ust_lib_ring_buffer, self); + char padding[RB_RING_BUFFER_PADDING]; +} __attribute__((aligned(CAA_CACHE_LINE_SIZE))); + +static inline +void *channel_get_private(struct channel *chan) +{ + return ((char *) chan) + chan->priv_data_offset; +} + +#ifndef __rb_same_type +#define __rb_same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) +#endif + +/* + * Issue warnings and disable channels upon internal error. + * Can receive struct lttng_ust_lib_ring_buffer or struct lttng_ust_lib_ring_buffer_backend + * parameters. + */ +#define CHAN_WARN_ON(c, cond) \ + ({ \ + struct channel *__chan; \ + int _____ret = caa_unlikely(cond); \ + if (_____ret) { \ + if (__rb_same_type(*(c), struct channel_backend)) \ + __chan = caa_container_of((void *) (c), \ + struct channel, \ + backend); \ + else if (__rb_same_type(*(c), struct channel)) \ + __chan = (void *) (c); \ + else \ + BUG_ON(1); \ + uatomic_inc(&__chan->record_disabled); \ + WARN_ON(1); \ + } \ + _____ret = _____ret; /* For clang "unused result". */ \ + }) + +#endif /* _LTTNG_RING_BUFFER_FRONTEND_TYPES_H */ diff --git a/libringbuffer/getcpu.h b/libringbuffer/getcpu.h new file mode 100644 index 0000000..7b009dc --- /dev/null +++ b/libringbuffer/getcpu.h @@ -0,0 +1,115 @@ +#ifndef _LTTNG_GETCPU_H +#define _LTTNG_GETCPU_H + +/* + * Copyright (c) 2011 - Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include + +void lttng_ust_getcpu_init(void); + +extern int (*lttng_get_cpu)(void); + +#ifdef LTTNG_UST_DEBUG_VALGRIND + +/* + * Fallback on cpu 0 if liblttng-ust is build with Valgrind support. + * get_cpu() returns the current CPU number. It may change due to + * migration, so it is only statistically accurate. + */ +static inline +int lttng_ust_get_cpu_internal(void) +{ + return 0; +} + +#else + +/* + * sched_getcpu. + */ +#ifdef __linux__ + +#if !HAVE_SCHED_GETCPU +#include +#define __getcpu(cpu, node, cache) syscall(__NR_getcpu, cpu, node, cache) +/* + * If getcpu is not implemented in the kernel, use cpu 0 as fallback. + */ +static inline +int lttng_ust_get_cpu_internal(void) +{ + int cpu, ret; + + ret = __getcpu(&cpu, NULL, NULL); + if (caa_unlikely(ret < 0)) + return 0; + return cpu; +} +#else /* HAVE_SCHED_GETCPU */ +#include + +/* + * If getcpu is not implemented in the kernel, use cpu 0 as fallback. + */ +static inline +int lttng_ust_get_cpu_internal(void) +{ + int cpu; + + cpu = sched_getcpu(); + if (caa_unlikely(cpu < 0)) + return 0; + return cpu; +} +#endif /* HAVE_SCHED_GETCPU */ + +#elif (defined(__FreeBSD__) || defined(__CYGWIN__)) + +/* + * FreeBSD and Cygwin do not allow query of CPU ID. Always use CPU + * number 0, with the assocated performance degradation on SMP. + */ +static inline +int lttng_ust_get_cpu_internal(void) +{ + return 0; +} + +#else +#error "Please add support for your OS into liblttng-ust/compat.h." +#endif + +#endif + +static inline +int lttng_ust_get_cpu(void) +{ + int (*getcpu)(void) = CMM_LOAD_SHARED(lttng_get_cpu); + + if (caa_likely(!getcpu)) { + return lttng_ust_get_cpu_internal(); + } else { + return getcpu(); + } +} + +#endif /* _LTTNG_GETCPU_H */ diff --git a/libringbuffer/nohz.h b/libringbuffer/nohz.h new file mode 100644 index 0000000..2833431 --- /dev/null +++ b/libringbuffer/nohz.h @@ -0,0 +1,42 @@ +#ifndef _LTTNG_RING_BUFFER_NOHZ_H +#define _LTTNG_RING_BUFFER_NOHZ_H + +/* + * libringbuffer/nohz.h + * + * Copyright (C) 2011-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifdef CONFIG_LIB_RING_BUFFER +void lib_ring_buffer_tick_nohz_flush(void); +void lib_ring_buffer_tick_nohz_stop(void); +void lib_ring_buffer_tick_nohz_restart(void); +#else +static inline void lib_ring_buffer_tick_nohz_flush(void) +{ +} + +static inline void lib_ring_buffer_tick_nohz_stop(void) +{ +} + +static inline void lib_ring_buffer_tick_nohz_restart(void) +{ +} +#endif + +#endif /* _LTTNG_RING_BUFFER_NOHZ_H */ diff --git a/libringbuffer/ring_buffer_backend.c b/libringbuffer/ring_buffer_backend.c new file mode 100644 index 0000000..961f118 --- /dev/null +++ b/libringbuffer/ring_buffer_backend.c @@ -0,0 +1,572 @@ +/* + * ring_buffer_backend.c + * + * Copyright (C) 2005-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include +#include +#include + +#include +#include "vatomic.h" +#include "backend.h" +#include "frontend.h" +#include "smp.h" +#include "shm.h" + +/** + * lib_ring_buffer_backend_allocate - allocate a channel buffer + * @config: ring buffer instance configuration + * @buf: the buffer struct + * @size: total size of the buffer + * @num_subbuf: number of subbuffers + * @extra_reader_sb: need extra subbuffer for reader + */ +static +int lib_ring_buffer_backend_allocate(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_ust_lib_ring_buffer_backend *bufb, + size_t size, size_t num_subbuf, + int extra_reader_sb, + struct lttng_ust_shm_handle *handle, + struct shm_object *shmobj) +{ + struct channel_backend *chanb; + unsigned long subbuf_size, mmap_offset = 0; + unsigned long num_subbuf_alloc; + unsigned long i; + long page_size; + + chanb = &shmp(handle, bufb->chan)->backend; + if (!chanb) + return -EINVAL; + + subbuf_size = chanb->subbuf_size; + num_subbuf_alloc = num_subbuf; + + if (extra_reader_sb) + num_subbuf_alloc++; + + page_size = sysconf(_SC_PAGE_SIZE); + if (page_size <= 0) { + goto page_size_error; + } + + align_shm(shmobj, __alignof__(struct lttng_ust_lib_ring_buffer_backend_pages_shmp)); + set_shmp(bufb->array, zalloc_shm(shmobj, + sizeof(struct lttng_ust_lib_ring_buffer_backend_pages_shmp) * num_subbuf_alloc)); + if (caa_unlikely(!shmp(handle, bufb->array))) + goto array_error; + + /* + * This is the largest element (the buffer pages) which needs to + * be aligned on page size. + */ + align_shm(shmobj, page_size); + set_shmp(bufb->memory_map, zalloc_shm(shmobj, + subbuf_size * num_subbuf_alloc)); + if (caa_unlikely(!shmp(handle, bufb->memory_map))) + goto memory_map_error; + + /* Allocate backend pages array elements */ + for (i = 0; i < num_subbuf_alloc; i++) { + align_shm(shmobj, __alignof__(struct lttng_ust_lib_ring_buffer_backend_pages)); + set_shmp(shmp_index(handle, bufb->array, i)->shmp, + zalloc_shm(shmobj, + sizeof(struct lttng_ust_lib_ring_buffer_backend_pages))); + if (!shmp(handle, shmp_index(handle, bufb->array, i)->shmp)) + goto free_array; + } + + /* Allocate write-side subbuffer table */ + align_shm(shmobj, __alignof__(struct lttng_ust_lib_ring_buffer_backend_subbuffer)); + set_shmp(bufb->buf_wsb, zalloc_shm(shmobj, + sizeof(struct lttng_ust_lib_ring_buffer_backend_subbuffer) + * num_subbuf)); + if (caa_unlikely(!shmp(handle, bufb->buf_wsb))) + goto free_array; + + for (i = 0; i < num_subbuf; i++) { + struct lttng_ust_lib_ring_buffer_backend_subbuffer *sb; + + sb = shmp_index(handle, bufb->buf_wsb, i); + if (!sb) + goto free_array; + sb->id = subbuffer_id(config, 0, 1, i); + } + + /* Assign read-side subbuffer table */ + if (extra_reader_sb) + bufb->buf_rsb.id = subbuffer_id(config, 0, 1, + num_subbuf_alloc - 1); + else + bufb->buf_rsb.id = subbuffer_id(config, 0, 1, 0); + + /* Allocate subbuffer packet counter table */ + align_shm(shmobj, __alignof__(struct lttng_ust_lib_ring_buffer_backend_subbuffer)); + set_shmp(bufb->buf_cnt, zalloc_shm(shmobj, + sizeof(struct lttng_ust_lib_ring_buffer_backend_counts) + * num_subbuf)); + if (caa_unlikely(!shmp(handle, bufb->buf_cnt))) + goto free_wsb; + + /* Assign pages to page index */ + for (i = 0; i < num_subbuf_alloc; i++) { + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *sbp; + struct lttng_ust_lib_ring_buffer_backend_pages *pages; + struct shm_ref ref; + + ref.index = bufb->memory_map._ref.index; + ref.offset = bufb->memory_map._ref.offset; + ref.offset += i * subbuf_size; + + sbp = shmp_index(handle, bufb->array, i); + if (!sbp) + goto free_array; + pages = shmp(handle, sbp->shmp); + if (!pages) + goto free_array; + set_shmp(pages->p, ref); + if (config->output == RING_BUFFER_MMAP) { + pages->mmap_offset = mmap_offset; + mmap_offset += subbuf_size; + } + } + return 0; + +free_wsb: + /* bufb->buf_wsb will be freed by shm teardown */ +free_array: + /* bufb->array[i] will be freed by shm teardown */ +memory_map_error: + /* bufb->array will be freed by shm teardown */ +array_error: +page_size_error: + return -ENOMEM; +} + +int lib_ring_buffer_backend_create(struct lttng_ust_lib_ring_buffer_backend *bufb, + struct channel_backend *chanb, int cpu, + struct lttng_ust_shm_handle *handle, + struct shm_object *shmobj) +{ + const struct lttng_ust_lib_ring_buffer_config *config = &chanb->config; + + set_shmp(bufb->chan, handle->chan._ref); + bufb->cpu = cpu; + + return lib_ring_buffer_backend_allocate(config, bufb, chanb->buf_size, + chanb->num_subbuf, + chanb->extra_reader_sb, + handle, shmobj); +} + +void lib_ring_buffer_backend_reset(struct lttng_ust_lib_ring_buffer_backend *bufb, + struct lttng_ust_shm_handle *handle) +{ + struct channel_backend *chanb; + const struct lttng_ust_lib_ring_buffer_config *config; + unsigned long num_subbuf_alloc; + unsigned int i; + + chanb = &shmp(handle, bufb->chan)->backend; + if (!chanb) + abort(); + config = &chanb->config; + + num_subbuf_alloc = chanb->num_subbuf; + if (chanb->extra_reader_sb) + num_subbuf_alloc++; + + for (i = 0; i < chanb->num_subbuf; i++) { + struct lttng_ust_lib_ring_buffer_backend_subbuffer *sb; + + sb = shmp_index(handle, bufb->buf_wsb, i); + if (!sb) + abort(); + sb->id = subbuffer_id(config, 0, 1, i); + } + if (chanb->extra_reader_sb) + bufb->buf_rsb.id = subbuffer_id(config, 0, 1, + num_subbuf_alloc - 1); + else + bufb->buf_rsb.id = subbuffer_id(config, 0, 1, 0); + + for (i = 0; i < num_subbuf_alloc; i++) { + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *sbp; + struct lttng_ust_lib_ring_buffer_backend_pages *pages; + + sbp = shmp_index(handle, bufb->array, i); + if (!sbp) + abort(); + pages = shmp(handle, sbp->shmp); + if (!pages) + abort(); + /* Don't reset mmap_offset */ + v_set(config, &pages->records_commit, 0); + v_set(config, &pages->records_unread, 0); + pages->data_size = 0; + /* Don't reset backend page and virt addresses */ + } + /* Don't reset num_pages_per_subbuf, cpu, allocated */ + v_set(config, &bufb->records_read, 0); +} + +/* + * The frontend is responsible for also calling ring_buffer_backend_reset for + * each buffer when calling channel_backend_reset. + */ +void channel_backend_reset(struct channel_backend *chanb) +{ + struct channel *chan = caa_container_of(chanb, struct channel, backend); + const struct lttng_ust_lib_ring_buffer_config *config = &chanb->config; + + /* + * Don't reset buf_size, subbuf_size, subbuf_size_order, + * num_subbuf_order, buf_size_order, extra_reader_sb, num_subbuf, + * priv, notifiers, config, cpumask and name. + */ + chanb->start_tsc = config->cb.ring_buffer_clock_read(chan); +} + +/** + * channel_backend_init - initialize a channel backend + * @chanb: channel backend + * @name: channel name + * @config: client ring buffer configuration + * @parent: dentry of parent directory, %NULL for root directory + * @subbuf_size: size of sub-buffers (> page size, power of 2) + * @num_subbuf: number of sub-buffers (power of 2) + * @lttng_ust_shm_handle: shared memory handle + * @stream_fds: stream file descriptors. + * + * Returns channel pointer if successful, %NULL otherwise. + * + * Creates per-cpu channel buffers using the sizes and attributes + * specified. The created channel buffer files will be named + * name_0...name_N-1. File permissions will be %S_IRUSR. + * + * Called with CPU hotplug disabled. + */ +int channel_backend_init(struct channel_backend *chanb, + const char *name, + const struct lttng_ust_lib_ring_buffer_config *config, + size_t subbuf_size, size_t num_subbuf, + struct lttng_ust_shm_handle *handle, + const int *stream_fds) +{ + struct channel *chan = caa_container_of(chanb, struct channel, backend); + unsigned int i; + int ret; + size_t shmsize = 0, num_subbuf_alloc; + long page_size; + + if (!name) + return -EPERM; + + page_size = sysconf(_SC_PAGE_SIZE); + if (page_size <= 0) { + return -ENOMEM; + } + /* Check that the subbuffer size is larger than a page. */ + if (subbuf_size < page_size) + return -EINVAL; + + /* + * Make sure the number of subbuffers and subbuffer size are + * power of 2, and nonzero. + */ + if (!subbuf_size || (subbuf_size & (subbuf_size - 1))) + return -EINVAL; + if (!num_subbuf || (num_subbuf & (num_subbuf - 1))) + return -EINVAL; + /* + * Overwrite mode buffers require at least 2 subbuffers per + * buffer. + */ + if (config->mode == RING_BUFFER_OVERWRITE && num_subbuf < 2) + return -EINVAL; + + ret = subbuffer_id_check_index(config, num_subbuf); + if (ret) + return ret; + + chanb->buf_size = num_subbuf * subbuf_size; + chanb->subbuf_size = subbuf_size; + chanb->buf_size_order = get_count_order(chanb->buf_size); + chanb->subbuf_size_order = get_count_order(subbuf_size); + chanb->num_subbuf_order = get_count_order(num_subbuf); + chanb->extra_reader_sb = + (config->mode == RING_BUFFER_OVERWRITE) ? 1 : 0; + chanb->num_subbuf = num_subbuf; + strncpy(chanb->name, name, NAME_MAX); + chanb->name[NAME_MAX - 1] = '\0'; + memcpy(&chanb->config, config, sizeof(*config)); + + /* Per-cpu buffer size: control (prior to backend) */ + shmsize = offset_align(shmsize, __alignof__(struct lttng_ust_lib_ring_buffer)); + shmsize += sizeof(struct lttng_ust_lib_ring_buffer); + + /* Per-cpu buffer size: backend */ + /* num_subbuf + 1 is the worse case */ + num_subbuf_alloc = num_subbuf + 1; + shmsize += offset_align(shmsize, __alignof__(struct lttng_ust_lib_ring_buffer_backend_pages_shmp)); + shmsize += sizeof(struct lttng_ust_lib_ring_buffer_backend_pages_shmp) * num_subbuf_alloc; + shmsize += offset_align(shmsize, page_size); + shmsize += subbuf_size * num_subbuf_alloc; + shmsize += offset_align(shmsize, __alignof__(struct lttng_ust_lib_ring_buffer_backend_pages)); + shmsize += sizeof(struct lttng_ust_lib_ring_buffer_backend_pages) * num_subbuf_alloc; + shmsize += offset_align(shmsize, __alignof__(struct lttng_ust_lib_ring_buffer_backend_subbuffer)); + shmsize += sizeof(struct lttng_ust_lib_ring_buffer_backend_subbuffer) * num_subbuf; + /* Per-cpu buffer size: control (after backend) */ + shmsize += offset_align(shmsize, __alignof__(struct commit_counters_hot)); + shmsize += sizeof(struct commit_counters_hot) * num_subbuf; + shmsize += offset_align(shmsize, __alignof__(struct commit_counters_cold)); + shmsize += sizeof(struct commit_counters_cold) * num_subbuf; + + if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) { + struct lttng_ust_lib_ring_buffer *buf; + /* + * We need to allocate for all possible cpus. + */ + for_each_possible_cpu(i) { + struct shm_object *shmobj; + + shmobj = shm_object_table_alloc(handle->table, shmsize, + SHM_OBJECT_SHM, stream_fds[i]); + if (!shmobj) + goto end; + align_shm(shmobj, __alignof__(struct lttng_ust_lib_ring_buffer)); + set_shmp(chanb->buf[i].shmp, zalloc_shm(shmobj, sizeof(struct lttng_ust_lib_ring_buffer))); + buf = shmp(handle, chanb->buf[i].shmp); + if (!buf) + goto end; + set_shmp(buf->self, chanb->buf[i].shmp._ref); + ret = lib_ring_buffer_create(buf, chanb, i, + handle, shmobj); + if (ret) + goto free_bufs; /* cpu hotplug locked */ + } + } else { + struct shm_object *shmobj; + struct lttng_ust_lib_ring_buffer *buf; + + shmobj = shm_object_table_alloc(handle->table, shmsize, + SHM_OBJECT_SHM, stream_fds[0]); + if (!shmobj) + goto end; + align_shm(shmobj, __alignof__(struct lttng_ust_lib_ring_buffer)); + set_shmp(chanb->buf[0].shmp, zalloc_shm(shmobj, sizeof(struct lttng_ust_lib_ring_buffer))); + buf = shmp(handle, chanb->buf[0].shmp); + if (!buf) + goto end; + set_shmp(buf->self, chanb->buf[0].shmp._ref); + ret = lib_ring_buffer_create(buf, chanb, -1, + handle, shmobj); + if (ret) + goto free_bufs; + } + chanb->start_tsc = config->cb.ring_buffer_clock_read(chan); + + return 0; + +free_bufs: + /* We only free the buffer data upon shm teardown */ +end: + return -ENOMEM; +} + +/** + * channel_backend_free - destroy the channel + * @chan: the channel + * + * Destroy all channel buffers and frees the channel. + */ +void channel_backend_free(struct channel_backend *chanb, + struct lttng_ust_shm_handle *handle) +{ + /* SHM teardown takes care of everything */ +} + +/** + * lib_ring_buffer_read - read data from ring_buffer_buffer. + * @bufb : buffer backend + * @offset : offset within the buffer + * @dest : destination address + * @len : length to copy to destination + * + * Should be protected by get_subbuf/put_subbuf. + * Returns the length copied. + */ +size_t lib_ring_buffer_read(struct lttng_ust_lib_ring_buffer_backend *bufb, size_t offset, + void *dest, size_t len, struct lttng_ust_shm_handle *handle) +{ + struct channel_backend *chanb; + const struct lttng_ust_lib_ring_buffer_config *config; + ssize_t orig_len; + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *rpages; + unsigned long sb_bindex, id; + void *src; + + chanb = &shmp(handle, bufb->chan)->backend; + if (!chanb) + return 0; + config = &chanb->config; + orig_len = len; + offset &= chanb->buf_size - 1; + + if (caa_unlikely(!len)) + return 0; + id = bufb->buf_rsb.id; + sb_bindex = subbuffer_id_get_index(config, id); + rpages = shmp_index(handle, bufb->array, sb_bindex); + /* + * Underlying layer should never ask for reads across + * subbuffers. + */ + CHAN_WARN_ON(chanb, offset >= chanb->buf_size); + CHAN_WARN_ON(chanb, config->mode == RING_BUFFER_OVERWRITE + && subbuffer_id_is_noref(config, id)); + src = shmp_index(handle, shmp(handle, rpages->shmp)->p, + offset & (chanb->subbuf_size - 1)); + if (caa_unlikely(!src)) + return 0; + memcpy(dest, src, len); + return orig_len; +} + +/** + * lib_ring_buffer_read_cstr - read a C-style string from ring_buffer. + * @bufb : buffer backend + * @offset : offset within the buffer + * @dest : destination address + * @len : destination's length + * + * Return string's length, or -EINVAL on error. + * Should be protected by get_subbuf/put_subbuf. + * Destination length should be at least 1 to hold '\0'. + */ +int lib_ring_buffer_read_cstr(struct lttng_ust_lib_ring_buffer_backend *bufb, size_t offset, + void *dest, size_t len, struct lttng_ust_shm_handle *handle) +{ + struct channel_backend *chanb; + const struct lttng_ust_lib_ring_buffer_config *config; + ssize_t string_len, orig_offset; + char *str; + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *rpages; + unsigned long sb_bindex, id; + + chanb = &shmp(handle, bufb->chan)->backend; + if (!chanb) + return -EINVAL; + config = &chanb->config; + if (caa_unlikely(!len)) + return -EINVAL; + offset &= chanb->buf_size - 1; + orig_offset = offset; + id = bufb->buf_rsb.id; + sb_bindex = subbuffer_id_get_index(config, id); + rpages = shmp_index(handle, bufb->array, sb_bindex); + /* + * Underlying layer should never ask for reads across + * subbuffers. + */ + CHAN_WARN_ON(chanb, offset >= chanb->buf_size); + CHAN_WARN_ON(chanb, config->mode == RING_BUFFER_OVERWRITE + && subbuffer_id_is_noref(config, id)); + str = shmp_index(handle, shmp(handle, rpages->shmp)->p, offset & (chanb->subbuf_size - 1)); + if (caa_unlikely(!str)) + return -EINVAL; + string_len = strnlen(str, len); + if (dest && len) { + memcpy(dest, str, string_len); + ((char *)dest)[0] = 0; + } + return offset - orig_offset; +} + +/** + * lib_ring_buffer_read_offset_address - get address of a buffer location + * @bufb : buffer backend + * @offset : offset within the buffer. + * + * Return the address where a given offset is located (for read). + * Should be used to get the current subbuffer header pointer. Given we know + * it's never on a page boundary, it's safe to read/write directly + * from/to this address, as long as the read/write is never bigger than + * a page size. + */ +void *lib_ring_buffer_read_offset_address(struct lttng_ust_lib_ring_buffer_backend *bufb, + size_t offset, + struct lttng_ust_shm_handle *handle) +{ + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *rpages; + struct channel_backend *chanb; + const struct lttng_ust_lib_ring_buffer_config *config; + unsigned long sb_bindex, id; + + chanb = &shmp(handle, bufb->chan)->backend; + if (!chanb) + return NULL; + config = &chanb->config; + offset &= chanb->buf_size - 1; + id = bufb->buf_rsb.id; + sb_bindex = subbuffer_id_get_index(config, id); + rpages = shmp_index(handle, bufb->array, sb_bindex); + CHAN_WARN_ON(chanb, config->mode == RING_BUFFER_OVERWRITE + && subbuffer_id_is_noref(config, id)); + return shmp_index(handle, shmp(handle, rpages->shmp)->p, offset & (chanb->subbuf_size - 1)); +} + +/** + * lib_ring_buffer_offset_address - get address of a location within the buffer + * @bufb : buffer backend + * @offset : offset within the buffer. + * + * Return the address where a given offset is located. + * Should be used to get the current subbuffer header pointer. Given we know + * it's always at the beginning of a page, it's safe to write directly to this + * address, as long as the write is never bigger than a page size. + */ +void *lib_ring_buffer_offset_address(struct lttng_ust_lib_ring_buffer_backend *bufb, + size_t offset, + struct lttng_ust_shm_handle *handle) +{ + size_t sbidx; + struct lttng_ust_lib_ring_buffer_backend_pages_shmp *rpages; + struct channel_backend *chanb; + const struct lttng_ust_lib_ring_buffer_config *config; + unsigned long sb_bindex, id; + struct lttng_ust_lib_ring_buffer_backend_subbuffer *sb; + + chanb = &shmp(handle, bufb->chan)->backend; + if (!chanb) + return NULL; + config = &chanb->config; + offset &= chanb->buf_size - 1; + sbidx = offset >> chanb->subbuf_size_order; + sb = shmp_index(handle, bufb->buf_wsb, sbidx); + if (!sb) + return NULL; + id = sb->id; + sb_bindex = subbuffer_id_get_index(config, id); + rpages = shmp_index(handle, bufb->array, sb_bindex); + CHAN_WARN_ON(chanb, config->mode == RING_BUFFER_OVERWRITE + && subbuffer_id_is_noref(config, id)); + return shmp_index(handle, shmp(handle, rpages->shmp)->p, offset & (chanb->subbuf_size - 1)); +} diff --git a/libringbuffer/ring_buffer_frontend.c b/libringbuffer/ring_buffer_frontend.c new file mode 100644 index 0000000..908539a --- /dev/null +++ b/libringbuffer/ring_buffer_frontend.c @@ -0,0 +1,2075 @@ +/* + * ring_buffer_frontend.c + * + * Copyright (C) 2005-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * + * Ring buffer wait-free buffer synchronization. Producer-consumer and flight + * recorder (overwrite) modes. See thesis: + * + * Desnoyers, Mathieu (2009), "Low-Impact Operating System Tracing", Ph.D. + * dissertation, Ecole Polytechnique de Montreal. + * http://www.lttng.org/pub/thesis/desnoyers-dissertation-2009-12.pdf + * + * - Algorithm presentation in Chapter 5: + * "Lockless Multi-Core High-Throughput Buffering". + * - Algorithm formal verification in Section 8.6: + * "Formal verification of LTTng" + * + * Author: + * Mathieu Desnoyers + * + * Inspired from LTT and RelayFS: + * Karim Yaghmour + * Tom Zanussi + * Bob Wisniewski + * And from K42 : + * Bob Wisniewski + * + * Buffer reader semantic : + * + * - get_subbuf_size + * while buffer is not finalized and empty + * - get_subbuf + * - if return value != 0, continue + * - splice one subbuffer worth of data to a pipe + * - splice the data from pipe to disk/network + * - put_subbuf + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "smp.h" +#include +#include "vatomic.h" +#include "backend.h" +#include "frontend.h" +#include "shm.h" +#include "tlsfixup.h" +#include "../liblttng-ust/compat.h" /* For ENODATA */ + +/* Print DBG() messages about events lost only every 1048576 hits */ +#define DBG_PRINT_NR_LOST (1UL << 20) + +#define LTTNG_UST_RB_SIG_FLUSH SIGRTMIN +#define LTTNG_UST_RB_SIG_READ SIGRTMIN + 1 +#define LTTNG_UST_RB_SIG_TEARDOWN SIGRTMIN + 2 +#define CLOCKID CLOCK_MONOTONIC +#define LTTNG_UST_RING_BUFFER_GET_RETRY 10 +#define LTTNG_UST_RING_BUFFER_RETRY_DELAY_MS 10 + +/* + * Non-static to ensure the compiler does not optimize away the xor. + */ +uint8_t lttng_crash_magic_xor[] = RB_CRASH_DUMP_ABI_MAGIC_XOR; + +/* + * Use POSIX SHM: shm_open(3) and shm_unlink(3). + * close(2) to close the fd returned by shm_open. + * shm_unlink releases the shared memory object name. + * ftruncate(2) sets the size of the memory object. + * mmap/munmap maps the shared memory obj to a virtual address in the + * calling proceess (should be done both in libust and consumer). + * See shm_overview(7) for details. + * Pass file descriptor returned by shm_open(3) to ltt-sessiond through + * a UNIX socket. + * + * Since we don't need to access the object using its name, we can + * immediately shm_unlink(3) it, and only keep the handle with its file + * descriptor. + */ + +/* + * Internal structure representing offsets to use at a sub-buffer switch. + */ +struct switch_offsets { + unsigned long begin, end, old; + size_t pre_header_padding, size; + unsigned int switch_new_start:1, switch_new_end:1, switch_old_start:1, + switch_old_end:1; +}; + +DEFINE_URCU_TLS(unsigned int, lib_ring_buffer_nesting); + +/* + * wakeup_fd_mutex protects wakeup fd use by timer from concurrent + * close. + */ +static pthread_mutex_t wakeup_fd_mutex = PTHREAD_MUTEX_INITIALIZER; + +static +void lib_ring_buffer_print_errors(struct channel *chan, + struct lttng_ust_lib_ring_buffer *buf, int cpu, + struct lttng_ust_shm_handle *handle); + +/* + * Handle timer teardown race wrt memory free of private data by + * ring buffer signals are handled by a single thread, which permits + * a synchronization point between handling of each signal. + * Protected by the lock within the structure. + */ +struct timer_signal_data { + pthread_t tid; /* thread id managing signals */ + int setup_done; + int qs_done; + pthread_mutex_t lock; +}; + +static struct timer_signal_data timer_signal = { + .tid = 0, + .setup_done = 0, + .qs_done = 0, + .lock = PTHREAD_MUTEX_INITIALIZER, +}; + +/** + * lib_ring_buffer_reset - Reset ring buffer to initial values. + * @buf: Ring buffer. + * + * Effectively empty the ring buffer. Should be called when the buffer is not + * used for writing. The ring buffer can be opened for reading, but the reader + * should not be using the iterator concurrently with reset. The previous + * current iterator record is reset. + */ +void lib_ring_buffer_reset(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle) +{ + struct channel *chan; + const struct lttng_ust_lib_ring_buffer_config *config; + unsigned int i; + + chan = shmp(handle, buf->backend.chan); + if (!chan) + abort(); + config = &chan->backend.config; + /* + * Reset iterator first. It will put the subbuffer if it currently holds + * it. + */ + v_set(config, &buf->offset, 0); + for (i = 0; i < chan->backend.num_subbuf; i++) { + v_set(config, &shmp_index(handle, buf->commit_hot, i)->cc, 0); + v_set(config, &shmp_index(handle, buf->commit_hot, i)->seq, 0); + v_set(config, &shmp_index(handle, buf->commit_cold, i)->cc_sb, 0); + } + uatomic_set(&buf->consumed, 0); + uatomic_set(&buf->record_disabled, 0); + v_set(config, &buf->last_tsc, 0); + lib_ring_buffer_backend_reset(&buf->backend, handle); + /* Don't reset number of active readers */ + v_set(config, &buf->records_lost_full, 0); + v_set(config, &buf->records_lost_wrap, 0); + v_set(config, &buf->records_lost_big, 0); + v_set(config, &buf->records_count, 0); + v_set(config, &buf->records_overrun, 0); + buf->finalized = 0; +} + +/** + * channel_reset - Reset channel to initial values. + * @chan: Channel. + * + * Effectively empty the channel. Should be called when the channel is not used + * for writing. The channel can be opened for reading, but the reader should not + * be using the iterator concurrently with reset. The previous current iterator + * record is reset. + */ +void channel_reset(struct channel *chan) +{ + /* + * Reset iterators first. Will put the subbuffer if held for reading. + */ + uatomic_set(&chan->record_disabled, 0); + /* Don't reset commit_count_mask, still valid */ + channel_backend_reset(&chan->backend); + /* Don't reset switch/read timer interval */ + /* Don't reset notifiers and notifier enable bits */ + /* Don't reset reader reference count */ +} + +static +void init_crash_abi(const struct lttng_ust_lib_ring_buffer_config *config, + struct lttng_crash_abi *crash_abi, + struct lttng_ust_lib_ring_buffer *buf, + struct channel_backend *chanb, + struct shm_object *shmobj, + struct lttng_ust_shm_handle *handle) +{ + int i; + + for (i = 0; i < RB_CRASH_DUMP_ABI_MAGIC_LEN; i++) + crash_abi->magic[i] = lttng_crash_magic_xor[i] ^ 0xFF; + crash_abi->mmap_length = shmobj->memory_map_size; + crash_abi->endian = RB_CRASH_ENDIAN; + crash_abi->major = RB_CRASH_DUMP_ABI_MAJOR; + crash_abi->minor = RB_CRASH_DUMP_ABI_MINOR; + crash_abi->word_size = sizeof(unsigned long); + crash_abi->layout_type = LTTNG_CRASH_TYPE_UST; + + /* Offset of fields */ + crash_abi->offset.prod_offset = + (uint32_t) ((char *) &buf->offset - (char *) buf); + crash_abi->offset.consumed_offset = + (uint32_t) ((char *) &buf->consumed - (char *) buf); + crash_abi->offset.commit_hot_array = + (uint32_t) ((char *) shmp(handle, buf->commit_hot) - (char *) buf); + crash_abi->offset.commit_hot_seq = + offsetof(struct commit_counters_hot, seq); + crash_abi->offset.buf_wsb_array = + (uint32_t) ((char *) shmp(handle, buf->backend.buf_wsb) - (char *) buf); + crash_abi->offset.buf_wsb_id = + offsetof(struct lttng_ust_lib_ring_buffer_backend_subbuffer, id); + crash_abi->offset.sb_array = + (uint32_t) ((char *) shmp(handle, buf->backend.array) - (char *) buf); + crash_abi->offset.sb_array_shmp_offset = + offsetof(struct lttng_ust_lib_ring_buffer_backend_pages_shmp, + shmp._ref.offset); + crash_abi->offset.sb_backend_p_offset = + offsetof(struct lttng_ust_lib_ring_buffer_backend_pages, + p._ref.offset); + + /* Field length */ + crash_abi->length.prod_offset = sizeof(buf->offset); + crash_abi->length.consumed_offset = sizeof(buf->consumed); + crash_abi->length.commit_hot_seq = + sizeof(((struct commit_counters_hot *) NULL)->seq); + crash_abi->length.buf_wsb_id = + sizeof(((struct lttng_ust_lib_ring_buffer_backend_subbuffer *) NULL)->id); + crash_abi->length.sb_array_shmp_offset = + sizeof(((struct lttng_ust_lib_ring_buffer_backend_pages_shmp *) NULL)->shmp._ref.offset); + crash_abi->length.sb_backend_p_offset = + sizeof(((struct lttng_ust_lib_ring_buffer_backend_pages *) NULL)->p._ref.offset); + + /* Array stride */ + crash_abi->stride.commit_hot_array = + sizeof(struct commit_counters_hot); + crash_abi->stride.buf_wsb_array = + sizeof(struct lttng_ust_lib_ring_buffer_backend_subbuffer); + crash_abi->stride.sb_array = + sizeof(struct lttng_ust_lib_ring_buffer_backend_pages_shmp); + + /* Buffer constants */ + crash_abi->buf_size = chanb->buf_size; + crash_abi->subbuf_size = chanb->subbuf_size; + crash_abi->num_subbuf = chanb->num_subbuf; + crash_abi->mode = (uint32_t) chanb->config.mode; + + if (config->cb.content_size_field) { + size_t offset, length; + + config->cb.content_size_field(config, &offset, &length); + crash_abi->offset.content_size = offset; + crash_abi->length.content_size = length; + } else { + crash_abi->offset.content_size = 0; + crash_abi->length.content_size = 0; + } + if (config->cb.packet_size_field) { + size_t offset, length; + + config->cb.packet_size_field(config, &offset, &length); + crash_abi->offset.packet_size = offset; + crash_abi->length.packet_size = length; + } else { + crash_abi->offset.packet_size = 0; + crash_abi->length.packet_size = 0; + } +} + +/* + * Must be called under cpu hotplug protection. + */ +int lib_ring_buffer_create(struct lttng_ust_lib_ring_buffer *buf, + struct channel_backend *chanb, int cpu, + struct lttng_ust_shm_handle *handle, + struct shm_object *shmobj) +{ + const struct lttng_ust_lib_ring_buffer_config *config = &chanb->config; + struct channel *chan = caa_container_of(chanb, struct channel, backend); + void *priv = channel_get_private(chan); + size_t subbuf_header_size; + uint64_t tsc; + int ret; + + /* Test for cpu hotplug */ + if (buf->backend.allocated) + return 0; + + align_shm(shmobj, __alignof__(struct commit_counters_hot)); + set_shmp(buf->commit_hot, + zalloc_shm(shmobj, + sizeof(struct commit_counters_hot) * chan->backend.num_subbuf)); + if (!shmp(handle, buf->commit_hot)) { + return -ENOMEM; + } + + align_shm(shmobj, __alignof__(struct commit_counters_cold)); + set_shmp(buf->commit_cold, + zalloc_shm(shmobj, + sizeof(struct commit_counters_cold) * chan->backend.num_subbuf)); + if (!shmp(handle, buf->commit_cold)) { + ret = -ENOMEM; + goto free_commit; + } + + ret = lib_ring_buffer_backend_create(&buf->backend, &chan->backend, + cpu, handle, shmobj); + if (ret) { + goto free_init; + } + + /* + * Write the subbuffer header for first subbuffer so we know the total + * duration of data gathering. + */ + subbuf_header_size = config->cb.subbuffer_header_size(); + v_set(config, &buf->offset, subbuf_header_size); + subbuffer_id_clear_noref(config, &shmp_index(handle, buf->backend.buf_wsb, 0)->id); + tsc = config->cb.ring_buffer_clock_read(shmp(handle, buf->backend.chan)); + config->cb.buffer_begin(buf, tsc, 0, handle); + v_add(config, subbuf_header_size, &shmp_index(handle, buf->commit_hot, 0)->cc); + v_add(config, subbuf_header_size, &shmp_index(handle, buf->commit_hot, 0)->seq); + + if (config->cb.buffer_create) { + ret = config->cb.buffer_create(buf, priv, cpu, chanb->name, handle); + if (ret) + goto free_chanbuf; + } + + init_crash_abi(config, &buf->crash_abi, buf, chanb, shmobj, handle); + + buf->backend.allocated = 1; + return 0; + + /* Error handling */ +free_init: + /* commit_cold will be freed by shm teardown */ +free_commit: + /* commit_hot will be freed by shm teardown */ +free_chanbuf: + return ret; +} + +static +void lib_ring_buffer_channel_switch_timer(int sig, siginfo_t *si, void *uc) +{ + const struct lttng_ust_lib_ring_buffer_config *config; + struct lttng_ust_shm_handle *handle; + struct channel *chan; + int cpu; + + assert(CMM_LOAD_SHARED(timer_signal.tid) == pthread_self()); + + chan = si->si_value.sival_ptr; + handle = chan->handle; + config = &chan->backend.config; + + DBG("Switch timer for channel %p\n", chan); + + /* + * Only flush buffers periodically if readers are active. + */ + pthread_mutex_lock(&wakeup_fd_mutex); + if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) { + for_each_possible_cpu(cpu) { + struct lttng_ust_lib_ring_buffer *buf = + shmp(handle, chan->backend.buf[cpu].shmp); + + if (!buf) + abort(); + if (uatomic_read(&buf->active_readers)) + lib_ring_buffer_switch_slow(buf, SWITCH_ACTIVE, + chan->handle); + } + } else { + struct lttng_ust_lib_ring_buffer *buf = + shmp(handle, chan->backend.buf[0].shmp); + + if (!buf) + abort(); + if (uatomic_read(&buf->active_readers)) + lib_ring_buffer_switch_slow(buf, SWITCH_ACTIVE, + chan->handle); + } + pthread_mutex_unlock(&wakeup_fd_mutex); + return; +} + +static +void lib_ring_buffer_channel_do_read(struct channel *chan) +{ + const struct lttng_ust_lib_ring_buffer_config *config; + struct lttng_ust_shm_handle *handle; + int cpu; + + handle = chan->handle; + config = &chan->backend.config; + + /* + * Only flush buffers periodically if readers are active. + */ + pthread_mutex_lock(&wakeup_fd_mutex); + if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) { + for_each_possible_cpu(cpu) { + struct lttng_ust_lib_ring_buffer *buf = + shmp(handle, chan->backend.buf[cpu].shmp); + + if (!buf) + abort(); + if (uatomic_read(&buf->active_readers) + && lib_ring_buffer_poll_deliver(config, buf, + chan, handle)) { + lib_ring_buffer_wakeup(buf, handle); + } + } + } else { + struct lttng_ust_lib_ring_buffer *buf = + shmp(handle, chan->backend.buf[0].shmp); + + if (!buf) + abort(); + if (uatomic_read(&buf->active_readers) + && lib_ring_buffer_poll_deliver(config, buf, + chan, handle)) { + lib_ring_buffer_wakeup(buf, handle); + } + } + pthread_mutex_unlock(&wakeup_fd_mutex); +} + +static +void lib_ring_buffer_channel_read_timer(int sig, siginfo_t *si, void *uc) +{ + struct channel *chan; + + assert(CMM_LOAD_SHARED(timer_signal.tid) == pthread_self()); + chan = si->si_value.sival_ptr; + DBG("Read timer for channel %p\n", chan); + lib_ring_buffer_channel_do_read(chan); + return; +} + +static +void rb_setmask(sigset_t *mask) +{ + int ret; + + ret = sigemptyset(mask); + if (ret) { + PERROR("sigemptyset"); + } + ret = sigaddset(mask, LTTNG_UST_RB_SIG_FLUSH); + if (ret) { + PERROR("sigaddset"); + } + ret = sigaddset(mask, LTTNG_UST_RB_SIG_READ); + if (ret) { + PERROR("sigaddset"); + } + ret = sigaddset(mask, LTTNG_UST_RB_SIG_TEARDOWN); + if (ret) { + PERROR("sigaddset"); + } +} + +static +void *sig_thread(void *arg) +{ + sigset_t mask; + siginfo_t info; + int signr; + + /* Only self thread will receive signal mask. */ + rb_setmask(&mask); + CMM_STORE_SHARED(timer_signal.tid, pthread_self()); + + for (;;) { + signr = sigwaitinfo(&mask, &info); + if (signr == -1) { + if (errno != EINTR) + PERROR("sigwaitinfo"); + continue; + } + if (signr == LTTNG_UST_RB_SIG_FLUSH) { + lib_ring_buffer_channel_switch_timer(info.si_signo, + &info, NULL); + } else if (signr == LTTNG_UST_RB_SIG_READ) { + lib_ring_buffer_channel_read_timer(info.si_signo, + &info, NULL); + } else if (signr == LTTNG_UST_RB_SIG_TEARDOWN) { + cmm_smp_mb(); + CMM_STORE_SHARED(timer_signal.qs_done, 1); + cmm_smp_mb(); + } else { + ERR("Unexptected signal %d\n", info.si_signo); + } + } + return NULL; +} + +/* + * Ensure only a single thread listens on the timer signal. + */ +static +void lib_ring_buffer_setup_timer_thread(void) +{ + pthread_t thread; + int ret; + + pthread_mutex_lock(&timer_signal.lock); + if (timer_signal.setup_done) + goto end; + + ret = pthread_create(&thread, NULL, &sig_thread, NULL); + if (ret) { + errno = ret; + PERROR("pthread_create"); + } + ret = pthread_detach(thread); + if (ret) { + errno = ret; + PERROR("pthread_detach"); + } + timer_signal.setup_done = 1; +end: + pthread_mutex_unlock(&timer_signal.lock); +} + +/* + * Wait for signal-handling thread quiescent state. + */ +static +void lib_ring_buffer_wait_signal_thread_qs(unsigned int signr) +{ + sigset_t pending_set; + int ret; + + /* + * We need to be the only thread interacting with the thread + * that manages signals for teardown synchronization. + */ + pthread_mutex_lock(&timer_signal.lock); + + /* + * Ensure we don't have any signal queued for this channel. + */ + for (;;) { + ret = sigemptyset(&pending_set); + if (ret == -1) { + PERROR("sigemptyset"); + } + ret = sigpending(&pending_set); + if (ret == -1) { + PERROR("sigpending"); + } + if (!sigismember(&pending_set, signr)) + break; + caa_cpu_relax(); + } + + /* + * From this point, no new signal handler will be fired that + * would try to access "chan". However, we still need to wait + * for any currently executing handler to complete. + */ + cmm_smp_mb(); + CMM_STORE_SHARED(timer_signal.qs_done, 0); + cmm_smp_mb(); + + /* + * Kill with LTTNG_UST_RB_SIG_TEARDOWN, so signal management + * thread wakes up. + */ + kill(getpid(), LTTNG_UST_RB_SIG_TEARDOWN); + + while (!CMM_LOAD_SHARED(timer_signal.qs_done)) + caa_cpu_relax(); + cmm_smp_mb(); + + pthread_mutex_unlock(&timer_signal.lock); +} + +static +void lib_ring_buffer_channel_switch_timer_start(struct channel *chan) +{ + struct sigevent sev; + struct itimerspec its; + int ret; + + if (!chan->switch_timer_interval || chan->switch_timer_enabled) + return; + + chan->switch_timer_enabled = 1; + + lib_ring_buffer_setup_timer_thread(); + + sev.sigev_notify = SIGEV_SIGNAL; + sev.sigev_signo = LTTNG_UST_RB_SIG_FLUSH; + sev.sigev_value.sival_ptr = chan; + ret = timer_create(CLOCKID, &sev, &chan->switch_timer); + if (ret == -1) { + PERROR("timer_create"); + } + + its.it_value.tv_sec = chan->switch_timer_interval / 1000000; + its.it_value.tv_nsec = (chan->switch_timer_interval % 1000000) * 1000; + its.it_interval.tv_sec = its.it_value.tv_sec; + its.it_interval.tv_nsec = its.it_value.tv_nsec; + + ret = timer_settime(chan->switch_timer, 0, &its, NULL); + if (ret == -1) { + PERROR("timer_settime"); + } +} + +static +void lib_ring_buffer_channel_switch_timer_stop(struct channel *chan) +{ + int ret; + + if (!chan->switch_timer_interval || !chan->switch_timer_enabled) + return; + + ret = timer_delete(chan->switch_timer); + if (ret == -1) { + PERROR("timer_delete"); + } + + lib_ring_buffer_wait_signal_thread_qs(LTTNG_UST_RB_SIG_FLUSH); + + chan->switch_timer = 0; + chan->switch_timer_enabled = 0; +} + +static +void lib_ring_buffer_channel_read_timer_start(struct channel *chan) +{ + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + struct sigevent sev; + struct itimerspec its; + int ret; + + if (config->wakeup != RING_BUFFER_WAKEUP_BY_TIMER + || !chan->read_timer_interval || chan->read_timer_enabled) + return; + + chan->read_timer_enabled = 1; + + lib_ring_buffer_setup_timer_thread(); + + sev.sigev_notify = SIGEV_SIGNAL; + sev.sigev_signo = LTTNG_UST_RB_SIG_READ; + sev.sigev_value.sival_ptr = chan; + ret = timer_create(CLOCKID, &sev, &chan->read_timer); + if (ret == -1) { + PERROR("timer_create"); + } + + its.it_value.tv_sec = chan->read_timer_interval / 1000000; + its.it_value.tv_nsec = (chan->read_timer_interval % 1000000) * 1000; + its.it_interval.tv_sec = its.it_value.tv_sec; + its.it_interval.tv_nsec = its.it_value.tv_nsec; + + ret = timer_settime(chan->read_timer, 0, &its, NULL); + if (ret == -1) { + PERROR("timer_settime"); + } +} + +static +void lib_ring_buffer_channel_read_timer_stop(struct channel *chan) +{ + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + int ret; + + if (config->wakeup != RING_BUFFER_WAKEUP_BY_TIMER + || !chan->read_timer_interval || !chan->read_timer_enabled) + return; + + ret = timer_delete(chan->read_timer); + if (ret == -1) { + PERROR("timer_delete"); + } + + /* + * do one more check to catch data that has been written in the last + * timer period. + */ + lib_ring_buffer_channel_do_read(chan); + + lib_ring_buffer_wait_signal_thread_qs(LTTNG_UST_RB_SIG_READ); + + chan->read_timer = 0; + chan->read_timer_enabled = 0; +} + +static void channel_unregister_notifiers(struct channel *chan, + struct lttng_ust_shm_handle *handle) +{ + lib_ring_buffer_channel_switch_timer_stop(chan); + lib_ring_buffer_channel_read_timer_stop(chan); +} + +static void channel_print_errors(struct channel *chan, + struct lttng_ust_shm_handle *handle) +{ + const struct lttng_ust_lib_ring_buffer_config *config = + &chan->backend.config; + int cpu; + + if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) { + for_each_possible_cpu(cpu) { + struct lttng_ust_lib_ring_buffer *buf = + shmp(handle, chan->backend.buf[cpu].shmp); + lib_ring_buffer_print_errors(chan, buf, cpu, handle); + } + } else { + struct lttng_ust_lib_ring_buffer *buf = + shmp(handle, chan->backend.buf[0].shmp); + + lib_ring_buffer_print_errors(chan, buf, -1, handle); + } +} + +static void channel_free(struct channel *chan, + struct lttng_ust_shm_handle *handle) +{ + channel_backend_free(&chan->backend, handle); + /* chan is freed by shm teardown */ + shm_object_table_destroy(handle->table); + free(handle); +} + +/** + * channel_create - Create channel. + * @config: ring buffer instance configuration + * @name: name of the channel + * @priv_data: ring buffer client private data area pointer (output) + * @priv_data_size: length, in bytes, of the private data area. + * @priv_data_init: initialization data for private data. + * @buf_addr: pointer the the beginning of the preallocated buffer contiguous + * address mapping. It is used only by RING_BUFFER_STATIC + * configuration. It can be set to NULL for other backends. + * @subbuf_size: subbuffer size + * @num_subbuf: number of subbuffers + * @switch_timer_interval: Time interval (in us) to fill sub-buffers with + * padding to let readers get those sub-buffers. + * Used for live streaming. + * @read_timer_interval: Time interval (in us) to wake up pending readers. + * @stream_fds: array of stream file descriptors. + * @nr_stream_fds: number of file descriptors in array. + * + * Holds cpu hotplug. + * Returns NULL on failure. + */ +struct lttng_ust_shm_handle *channel_create(const struct lttng_ust_lib_ring_buffer_config *config, + const char *name, + void **priv_data, + size_t priv_data_align, + size_t priv_data_size, + void *priv_data_init, + void *buf_addr, size_t subbuf_size, + size_t num_subbuf, unsigned int switch_timer_interval, + unsigned int read_timer_interval, + const int *stream_fds, int nr_stream_fds) +{ + int ret; + size_t shmsize, chansize; + struct channel *chan; + struct lttng_ust_shm_handle *handle; + struct shm_object *shmobj; + unsigned int nr_streams; + + if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) + nr_streams = num_possible_cpus(); + else + nr_streams = 1; + + if (nr_stream_fds != nr_streams) + return NULL; + + if (lib_ring_buffer_check_config(config, switch_timer_interval, + read_timer_interval)) + return NULL; + + handle = zmalloc(sizeof(struct lttng_ust_shm_handle)); + if (!handle) + return NULL; + + /* Allocate table for channel + per-cpu buffers */ + handle->table = shm_object_table_create(1 + num_possible_cpus()); + if (!handle->table) + goto error_table_alloc; + + /* Calculate the shm allocation layout */ + shmsize = sizeof(struct channel); + shmsize += offset_align(shmsize, __alignof__(struct lttng_ust_lib_ring_buffer_shmp)); + shmsize += sizeof(struct lttng_ust_lib_ring_buffer_shmp) * nr_streams; + chansize = shmsize; + if (priv_data_align) + shmsize += offset_align(shmsize, priv_data_align); + shmsize += priv_data_size; + + /* Allocate normal memory for channel (not shared) */ + shmobj = shm_object_table_alloc(handle->table, shmsize, SHM_OBJECT_MEM, + -1); + if (!shmobj) + goto error_append; + /* struct channel is at object 0, offset 0 (hardcoded) */ + set_shmp(handle->chan, zalloc_shm(shmobj, chansize)); + assert(handle->chan._ref.index == 0); + assert(handle->chan._ref.offset == 0); + chan = shmp(handle, handle->chan); + if (!chan) + goto error_append; + chan->nr_streams = nr_streams; + + /* space for private data */ + if (priv_data_size) { + DECLARE_SHMP(void, priv_data_alloc); + + align_shm(shmobj, priv_data_align); + chan->priv_data_offset = shmobj->allocated_len; + set_shmp(priv_data_alloc, zalloc_shm(shmobj, priv_data_size)); + if (!shmp(handle, priv_data_alloc)) + goto error_append; + *priv_data = channel_get_private(chan); + memcpy(*priv_data, priv_data_init, priv_data_size); + } else { + chan->priv_data_offset = -1; + if (priv_data) + *priv_data = NULL; + } + + ret = channel_backend_init(&chan->backend, name, config, + subbuf_size, num_subbuf, handle, + stream_fds); + if (ret) + goto error_backend_init; + + chan->handle = handle; + chan->commit_count_mask = (~0UL >> chan->backend.num_subbuf_order); + + chan->switch_timer_interval = switch_timer_interval; + chan->read_timer_interval = read_timer_interval; + lib_ring_buffer_channel_switch_timer_start(chan); + lib_ring_buffer_channel_read_timer_start(chan); + + return handle; + +error_backend_init: +error_append: + shm_object_table_destroy(handle->table); +error_table_alloc: + free(handle); + return NULL; +} + +struct lttng_ust_shm_handle *channel_handle_create(void *data, + uint64_t memory_map_size, + int wakeup_fd) +{ + struct lttng_ust_shm_handle *handle; + struct shm_object *object; + + handle = zmalloc(sizeof(struct lttng_ust_shm_handle)); + if (!handle) + return NULL; + + /* Allocate table for channel + per-cpu buffers */ + handle->table = shm_object_table_create(1 + num_possible_cpus()); + if (!handle->table) + goto error_table_alloc; + /* Add channel object */ + object = shm_object_table_append_mem(handle->table, data, + memory_map_size, wakeup_fd); + if (!object) + goto error_table_object; + /* struct channel is at object 0, offset 0 (hardcoded) */ + handle->chan._ref.index = 0; + handle->chan._ref.offset = 0; + return handle; + +error_table_object: + shm_object_table_destroy(handle->table); +error_table_alloc: + free(handle); + return NULL; +} + +int channel_handle_add_stream(struct lttng_ust_shm_handle *handle, + int shm_fd, int wakeup_fd, uint32_t stream_nr, + uint64_t memory_map_size) +{ + struct shm_object *object; + + /* Add stream object */ + object = shm_object_table_append_shm(handle->table, + shm_fd, wakeup_fd, stream_nr, + memory_map_size); + if (!object) + return -EINVAL; + return 0; +} + +unsigned int channel_handle_get_nr_streams(struct lttng_ust_shm_handle *handle) +{ + assert(handle->table); + return handle->table->allocated_len - 1; +} + +static +void channel_release(struct channel *chan, struct lttng_ust_shm_handle *handle) +{ + channel_free(chan, handle); +} + +/** + * channel_destroy - Finalize, wait for q.s. and destroy channel. + * @chan: channel to destroy + * + * Holds cpu hotplug. + * Call "destroy" callback, finalize channels, decrement the channel + * reference count. Note that when readers have completed data + * consumption of finalized channels, get_subbuf() will return -ENODATA. + * They should release their handle at that point. + */ +void channel_destroy(struct channel *chan, struct lttng_ust_shm_handle *handle, + int consumer) +{ + if (consumer) { + /* + * Note: the consumer takes care of finalizing and + * switching the buffers. + */ + channel_unregister_notifiers(chan, handle); + /* + * The consumer prints errors. + */ + channel_print_errors(chan, handle); + } + + /* + * sessiond/consumer are keeping a reference on the shm file + * descriptor directly. No need to refcount. + */ + channel_release(chan, handle); + return; +} + +struct lttng_ust_lib_ring_buffer *channel_get_ring_buffer( + const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, int cpu, + struct lttng_ust_shm_handle *handle, + int *shm_fd, int *wait_fd, + int *wakeup_fd, + uint64_t *memory_map_size) +{ + struct shm_ref *ref; + + if (config->alloc == RING_BUFFER_ALLOC_GLOBAL) { + cpu = 0; + } else { + if (cpu >= num_possible_cpus()) + return NULL; + } + ref = &chan->backend.buf[cpu].shmp._ref; + *shm_fd = shm_get_shm_fd(handle, ref); + *wait_fd = shm_get_wait_fd(handle, ref); + *wakeup_fd = shm_get_wakeup_fd(handle, ref); + if (shm_get_shm_size(handle, ref, memory_map_size)) + return NULL; + return shmp(handle, chan->backend.buf[cpu].shmp); +} + +int ring_buffer_channel_close_wait_fd(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, + struct lttng_ust_shm_handle *handle) +{ + struct shm_ref *ref; + + ref = &handle->chan._ref; + return shm_close_wait_fd(handle, ref); +} + +int ring_buffer_channel_close_wakeup_fd(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, + struct lttng_ust_shm_handle *handle) +{ + struct shm_ref *ref; + + ref = &handle->chan._ref; + return shm_close_wakeup_fd(handle, ref); +} + +int ring_buffer_stream_close_wait_fd(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, + struct lttng_ust_shm_handle *handle, + int cpu) +{ + struct shm_ref *ref; + + if (config->alloc == RING_BUFFER_ALLOC_GLOBAL) { + cpu = 0; + } else { + if (cpu >= num_possible_cpus()) + return -EINVAL; + } + ref = &chan->backend.buf[cpu].shmp._ref; + return shm_close_wait_fd(handle, ref); +} + +int ring_buffer_stream_close_wakeup_fd(const struct lttng_ust_lib_ring_buffer_config *config, + struct channel *chan, + struct lttng_ust_shm_handle *handle, + int cpu) +{ + struct shm_ref *ref; + int ret; + + if (config->alloc == RING_BUFFER_ALLOC_GLOBAL) { + cpu = 0; + } else { + if (cpu >= num_possible_cpus()) + return -EINVAL; + } + ref = &chan->backend.buf[cpu].shmp._ref; + pthread_mutex_lock(&wakeup_fd_mutex); + ret = shm_close_wakeup_fd(handle, ref); + pthread_mutex_unlock(&wakeup_fd_mutex); + return ret; +} + +int lib_ring_buffer_open_read(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle) +{ + if (uatomic_cmpxchg(&buf->active_readers, 0, 1) != 0) + return -EBUSY; + cmm_smp_mb(); + return 0; +} + +void lib_ring_buffer_release_read(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle) +{ + struct channel *chan = shmp(handle, buf->backend.chan); + + CHAN_WARN_ON(chan, uatomic_read(&buf->active_readers) != 1); + cmm_smp_mb(); + uatomic_dec(&buf->active_readers); +} + +/** + * lib_ring_buffer_snapshot - save subbuffer position snapshot (for read) + * @buf: ring buffer + * @consumed: consumed count indicating the position where to read + * @produced: produced count, indicates position when to stop reading + * + * Returns -ENODATA if buffer is finalized, -EAGAIN if there is currently no + * data to read at consumed position, or 0 if the get operation succeeds. + */ + +int lib_ring_buffer_snapshot(struct lttng_ust_lib_ring_buffer *buf, + unsigned long *consumed, unsigned long *produced, + struct lttng_ust_shm_handle *handle) +{ + struct channel *chan = shmp(handle, buf->backend.chan); + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + unsigned long consumed_cur, write_offset; + int finalized; + + finalized = CMM_ACCESS_ONCE(buf->finalized); + /* + * Read finalized before counters. + */ + cmm_smp_rmb(); + consumed_cur = uatomic_read(&buf->consumed); + /* + * No need to issue a memory barrier between consumed count read and + * write offset read, because consumed count can only change + * concurrently in overwrite mode, and we keep a sequence counter + * identifier derived from the write offset to check we are getting + * the same sub-buffer we are expecting (the sub-buffers are atomically + * "tagged" upon writes, tags are checked upon read). + */ + write_offset = v_read(config, &buf->offset); + + /* + * Check that we are not about to read the same subbuffer in + * which the writer head is. + */ + if (subbuf_trunc(write_offset, chan) - subbuf_trunc(consumed_cur, chan) + == 0) + goto nodata; + + *consumed = consumed_cur; + *produced = subbuf_trunc(write_offset, chan); + + return 0; + +nodata: + /* + * The memory barriers __wait_event()/wake_up_interruptible() take care + * of "raw_spin_is_locked" memory ordering. + */ + if (finalized) + return -ENODATA; + else + return -EAGAIN; +} + +/** + * lib_ring_buffer_move_consumer - move consumed counter forward + * @buf: ring buffer + * @consumed_new: new consumed count value + */ +void lib_ring_buffer_move_consumer(struct lttng_ust_lib_ring_buffer *buf, + unsigned long consumed_new, + struct lttng_ust_shm_handle *handle) +{ + struct lttng_ust_lib_ring_buffer_backend *bufb = &buf->backend; + struct channel *chan = shmp(handle, bufb->chan); + unsigned long consumed; + + CHAN_WARN_ON(chan, uatomic_read(&buf->active_readers) != 1); + + /* + * Only push the consumed value forward. + * If the consumed cmpxchg fails, this is because we have been pushed by + * the writer in flight recorder mode. + */ + consumed = uatomic_read(&buf->consumed); + while ((long) consumed - (long) consumed_new < 0) + consumed = uatomic_cmpxchg(&buf->consumed, consumed, + consumed_new); +} + +/** + * lib_ring_buffer_get_subbuf - get exclusive access to subbuffer for reading + * @buf: ring buffer + * @consumed: consumed count indicating the position where to read + * + * Returns -ENODATA if buffer is finalized, -EAGAIN if there is currently no + * data to read at consumed position, or 0 if the get operation succeeds. + */ +int lib_ring_buffer_get_subbuf(struct lttng_ust_lib_ring_buffer *buf, + unsigned long consumed, + struct lttng_ust_shm_handle *handle) +{ + struct channel *chan = shmp(handle, buf->backend.chan); + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + unsigned long consumed_cur, consumed_idx, commit_count, write_offset; + int ret, finalized, nr_retry = LTTNG_UST_RING_BUFFER_GET_RETRY; + +retry: + finalized = CMM_ACCESS_ONCE(buf->finalized); + /* + * Read finalized before counters. + */ + cmm_smp_rmb(); + consumed_cur = uatomic_read(&buf->consumed); + consumed_idx = subbuf_index(consumed, chan); + commit_count = v_read(config, &shmp_index(handle, buf->commit_cold, consumed_idx)->cc_sb); + /* + * Make sure we read the commit count before reading the buffer + * data and the write offset. Correct consumed offset ordering + * wrt commit count is insured by the use of cmpxchg to update + * the consumed offset. + */ + /* + * Local rmb to match the remote wmb to read the commit count + * before the buffer data and the write offset. + */ + cmm_smp_rmb(); + + write_offset = v_read(config, &buf->offset); + + /* + * Check that the buffer we are getting is after or at consumed_cur + * position. + */ + if ((long) subbuf_trunc(consumed, chan) + - (long) subbuf_trunc(consumed_cur, chan) < 0) + goto nodata; + + /* + * Check that the subbuffer we are trying to consume has been + * already fully committed. There are a few causes that can make + * this unavailability situation occur: + * + * Temporary (short-term) situation: + * - Application is running on a different CPU, between reserve + * and commit ring buffer operations, + * - Application is preempted between reserve and commit ring + * buffer operations, + * + * Long-term situation: + * - Application is stopped (SIGSTOP) between reserve and commit + * ring buffer operations. Could eventually be resumed by + * SIGCONT. + * - Application is killed (SIGTERM, SIGINT, SIGKILL) between + * reserve and commit ring buffer operation. + * + * From a consumer perspective, handling short-term + * unavailability situations is performed by retrying a few + * times after a delay. Handling long-term unavailability + * situations is handled by failing to get the sub-buffer. + * + * In all of those situations, if the application is taking a + * long time to perform its commit after ring buffer space + * reservation, we can end up in a situation where the producer + * will fill the ring buffer and try to write into the same + * sub-buffer again (which has a missing commit). This is + * handled by the producer in the sub-buffer switch handling + * code of the reserve routine by detecting unbalanced + * reserve/commit counters and discarding all further events + * until the situation is resolved in those situations. Two + * scenarios can occur: + * + * 1) The application causing the reserve/commit counters to be + * unbalanced has been terminated. In this situation, all + * further events will be discarded in the buffers, and no + * further buffer data will be readable by the consumer + * daemon. Tearing down the UST tracing session and starting + * anew is a work-around for those situations. Note that this + * only affects per-UID tracing. In per-PID tracing, the + * application vanishes with the termination, and therefore + * no more data needs to be written to the buffers. + * 2) The application causing the unbalance has been delayed for + * a long time, but will eventually try to increment the + * commit counter after eventually writing to the sub-buffer. + * This situation can cause events to be discarded until the + * application resumes its operations. + */ + if (((commit_count - chan->backend.subbuf_size) + & chan->commit_count_mask) + - (buf_trunc(consumed, chan) + >> chan->backend.num_subbuf_order) + != 0) { + if (nr_retry-- > 0) { + if (nr_retry <= (LTTNG_UST_RING_BUFFER_GET_RETRY >> 1)) + (void) poll(NULL, 0, LTTNG_UST_RING_BUFFER_RETRY_DELAY_MS); + goto retry; + } else { + goto nodata; + } + } + + /* + * Check that we are not about to read the same subbuffer in + * which the writer head is. + */ + if (subbuf_trunc(write_offset, chan) - subbuf_trunc(consumed, chan) + == 0) + goto nodata; + + /* + * Failure to get the subbuffer causes a busy-loop retry without going + * to a wait queue. These are caused by short-lived race windows where + * the writer is getting access to a subbuffer we were trying to get + * access to. Also checks that the "consumed" buffer count we are + * looking for matches the one contained in the subbuffer id. + * + * The short-lived race window described here can be affected by + * application signals and preemption, thus requiring to bound + * the loop to a maximum number of retry. + */ + ret = update_read_sb_index(config, &buf->backend, &chan->backend, + consumed_idx, buf_trunc_val(consumed, chan), + handle); + if (ret) { + if (nr_retry-- > 0) { + if (nr_retry <= (LTTNG_UST_RING_BUFFER_GET_RETRY >> 1)) + (void) poll(NULL, 0, LTTNG_UST_RING_BUFFER_RETRY_DELAY_MS); + goto retry; + } else { + goto nodata; + } + } + subbuffer_id_clear_noref(config, &buf->backend.buf_rsb.id); + + buf->get_subbuf_consumed = consumed; + buf->get_subbuf = 1; + + return 0; + +nodata: + /* + * The memory barriers __wait_event()/wake_up_interruptible() take care + * of "raw_spin_is_locked" memory ordering. + */ + if (finalized) + return -ENODATA; + else + return -EAGAIN; +} + +/** + * lib_ring_buffer_put_subbuf - release exclusive subbuffer access + * @buf: ring buffer + */ +void lib_ring_buffer_put_subbuf(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle) +{ + struct lttng_ust_lib_ring_buffer_backend *bufb = &buf->backend; + struct channel *chan = shmp(handle, bufb->chan); + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + unsigned long read_sb_bindex, consumed_idx, consumed; + + CHAN_WARN_ON(chan, uatomic_read(&buf->active_readers) != 1); + + if (!buf->get_subbuf) { + /* + * Reader puts a subbuffer it did not get. + */ + CHAN_WARN_ON(chan, 1); + return; + } + consumed = buf->get_subbuf_consumed; + buf->get_subbuf = 0; + + /* + * Clear the records_unread counter. (overruns counter) + * Can still be non-zero if a file reader simply grabbed the data + * without using iterators. + * Can be below zero if an iterator is used on a snapshot more than + * once. + */ + read_sb_bindex = subbuffer_id_get_index(config, bufb->buf_rsb.id); + v_add(config, v_read(config, + &shmp(handle, shmp_index(handle, bufb->array, read_sb_bindex)->shmp)->records_unread), + &bufb->records_read); + v_set(config, &shmp(handle, shmp_index(handle, bufb->array, read_sb_bindex)->shmp)->records_unread, 0); + CHAN_WARN_ON(chan, config->mode == RING_BUFFER_OVERWRITE + && subbuffer_id_is_noref(config, bufb->buf_rsb.id)); + subbuffer_id_set_noref(config, &bufb->buf_rsb.id); + + /* + * Exchange the reader subbuffer with the one we put in its place in the + * writer subbuffer table. Expect the original consumed count. If + * update_read_sb_index fails, this is because the writer updated the + * subbuffer concurrently. We should therefore keep the subbuffer we + * currently have: it has become invalid to try reading this sub-buffer + * consumed count value anyway. + */ + consumed_idx = subbuf_index(consumed, chan); + update_read_sb_index(config, &buf->backend, &chan->backend, + consumed_idx, buf_trunc_val(consumed, chan), + handle); + /* + * update_read_sb_index return value ignored. Don't exchange sub-buffer + * if the writer concurrently updated it. + */ +} + +/* + * cons_offset is an iterator on all subbuffer offsets between the reader + * position and the writer position. (inclusive) + */ +static +void lib_ring_buffer_print_subbuffer_errors(struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan, + unsigned long cons_offset, + int cpu, + struct lttng_ust_shm_handle *handle) +{ + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + unsigned long cons_idx, commit_count, commit_count_sb; + + cons_idx = subbuf_index(cons_offset, chan); + commit_count = v_read(config, &shmp_index(handle, buf->commit_hot, cons_idx)->cc); + commit_count_sb = v_read(config, &shmp_index(handle, buf->commit_cold, cons_idx)->cc_sb); + + if (subbuf_offset(commit_count, chan) != 0) + DBG("ring buffer %s, cpu %d: " + "commit count in subbuffer %lu,\n" + "expecting multiples of %lu bytes\n" + " [ %lu bytes committed, %lu bytes reader-visible ]\n", + chan->backend.name, cpu, cons_idx, + chan->backend.subbuf_size, + commit_count, commit_count_sb); + + DBG("ring buffer: %s, cpu %d: %lu bytes committed\n", + chan->backend.name, cpu, commit_count); +} + +static +void lib_ring_buffer_print_buffer_errors(struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan, + void *priv, int cpu, + struct lttng_ust_shm_handle *handle) +{ + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + unsigned long write_offset, cons_offset; + + /* + * No need to order commit_count, write_offset and cons_offset reads + * because we execute at teardown when no more writer nor reader + * references are left. + */ + write_offset = v_read(config, &buf->offset); + cons_offset = uatomic_read(&buf->consumed); + if (write_offset != cons_offset) + DBG("ring buffer %s, cpu %d: " + "non-consumed data\n" + " [ %lu bytes written, %lu bytes read ]\n", + chan->backend.name, cpu, write_offset, cons_offset); + + for (cons_offset = uatomic_read(&buf->consumed); + (long) (subbuf_trunc((unsigned long) v_read(config, &buf->offset), + chan) + - cons_offset) > 0; + cons_offset = subbuf_align(cons_offset, chan)) + lib_ring_buffer_print_subbuffer_errors(buf, chan, cons_offset, + cpu, handle); +} + +static +void lib_ring_buffer_print_errors(struct channel *chan, + struct lttng_ust_lib_ring_buffer *buf, int cpu, + struct lttng_ust_shm_handle *handle) +{ + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + void *priv = channel_get_private(chan); + + if (!strcmp(chan->backend.name, "relay-metadata-mmap")) { + DBG("ring buffer %s: %lu records written, " + "%lu records overrun\n", + chan->backend.name, + v_read(config, &buf->records_count), + v_read(config, &buf->records_overrun)); + } else { + DBG("ring buffer %s, cpu %d: %lu records written, " + "%lu records overrun\n", + chan->backend.name, cpu, + v_read(config, &buf->records_count), + v_read(config, &buf->records_overrun)); + + if (v_read(config, &buf->records_lost_full) + || v_read(config, &buf->records_lost_wrap) + || v_read(config, &buf->records_lost_big)) + DBG("ring buffer %s, cpu %d: records were lost. Caused by:\n" + " [ %lu buffer full, %lu nest buffer wrap-around, " + "%lu event too big ]\n", + chan->backend.name, cpu, + v_read(config, &buf->records_lost_full), + v_read(config, &buf->records_lost_wrap), + v_read(config, &buf->records_lost_big)); + } + lib_ring_buffer_print_buffer_errors(buf, chan, priv, cpu, handle); +} + +/* + * lib_ring_buffer_switch_old_start: Populate old subbuffer header. + * + * Only executed by SWITCH_FLUSH, which can be issued while tracing is + * active or at buffer finalization (destroy). + */ +static +void lib_ring_buffer_switch_old_start(struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan, + struct switch_offsets *offsets, + uint64_t tsc, + struct lttng_ust_shm_handle *handle) +{ + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + unsigned long oldidx = subbuf_index(offsets->old, chan); + unsigned long commit_count; + + config->cb.buffer_begin(buf, tsc, oldidx, handle); + + /* + * Order all writes to buffer before the commit count update that will + * determine that the subbuffer is full. + */ + cmm_smp_wmb(); + v_add(config, config->cb.subbuffer_header_size(), + &shmp_index(handle, buf->commit_hot, oldidx)->cc); + commit_count = v_read(config, &shmp_index(handle, buf->commit_hot, oldidx)->cc); + /* Check if the written buffer has to be delivered */ + lib_ring_buffer_check_deliver(config, buf, chan, offsets->old, + commit_count, oldidx, handle, tsc); + lib_ring_buffer_write_commit_counter(config, buf, chan, oldidx, + offsets->old + config->cb.subbuffer_header_size(), + commit_count, handle); +} + +/* + * lib_ring_buffer_switch_old_end: switch old subbuffer + * + * Note : offset_old should never be 0 here. It is ok, because we never perform + * buffer switch on an empty subbuffer in SWITCH_ACTIVE mode. The caller + * increments the offset_old value when doing a SWITCH_FLUSH on an empty + * subbuffer. + */ +static +void lib_ring_buffer_switch_old_end(struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan, + struct switch_offsets *offsets, + uint64_t tsc, + struct lttng_ust_shm_handle *handle) +{ + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + unsigned long oldidx = subbuf_index(offsets->old - 1, chan); + unsigned long commit_count, padding_size, data_size; + + data_size = subbuf_offset(offsets->old - 1, chan) + 1; + padding_size = chan->backend.subbuf_size - data_size; + subbuffer_set_data_size(config, &buf->backend, oldidx, data_size, + handle); + + /* + * Order all writes to buffer before the commit count update that will + * determine that the subbuffer is full. + */ + cmm_smp_wmb(); + v_add(config, padding_size, &shmp_index(handle, buf->commit_hot, oldidx)->cc); + commit_count = v_read(config, &shmp_index(handle, buf->commit_hot, oldidx)->cc); + lib_ring_buffer_check_deliver(config, buf, chan, offsets->old - 1, + commit_count, oldidx, handle, tsc); + lib_ring_buffer_write_commit_counter(config, buf, chan, oldidx, + offsets->old + padding_size, commit_count, handle); +} + +/* + * lib_ring_buffer_switch_new_start: Populate new subbuffer. + * + * This code can be executed unordered : writers may already have written to the + * sub-buffer before this code gets executed, caution. The commit makes sure + * that this code is executed before the deliver of this sub-buffer. + */ +static +void lib_ring_buffer_switch_new_start(struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan, + struct switch_offsets *offsets, + uint64_t tsc, + struct lttng_ust_shm_handle *handle) +{ + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + unsigned long beginidx = subbuf_index(offsets->begin, chan); + unsigned long commit_count; + + config->cb.buffer_begin(buf, tsc, beginidx, handle); + + /* + * Order all writes to buffer before the commit count update that will + * determine that the subbuffer is full. + */ + cmm_smp_wmb(); + v_add(config, config->cb.subbuffer_header_size(), + &shmp_index(handle, buf->commit_hot, beginidx)->cc); + commit_count = v_read(config, &shmp_index(handle, buf->commit_hot, beginidx)->cc); + /* Check if the written buffer has to be delivered */ + lib_ring_buffer_check_deliver(config, buf, chan, offsets->begin, + commit_count, beginidx, handle, tsc); + lib_ring_buffer_write_commit_counter(config, buf, chan, beginidx, + offsets->begin + config->cb.subbuffer_header_size(), + commit_count, handle); +} + +/* + * lib_ring_buffer_switch_new_end: finish switching current subbuffer + * + * Calls subbuffer_set_data_size() to set the data size of the current + * sub-buffer. We do not need to perform check_deliver nor commit here, + * since this task will be done by the "commit" of the event for which + * we are currently doing the space reservation. + */ +static +void lib_ring_buffer_switch_new_end(struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan, + struct switch_offsets *offsets, + uint64_t tsc, + struct lttng_ust_shm_handle *handle) +{ + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + unsigned long endidx, data_size; + + endidx = subbuf_index(offsets->end - 1, chan); + data_size = subbuf_offset(offsets->end - 1, chan) + 1; + subbuffer_set_data_size(config, &buf->backend, endidx, data_size, + handle); +} + +/* + * Returns : + * 0 if ok + * !0 if execution must be aborted. + */ +static +int lib_ring_buffer_try_switch_slow(enum switch_mode mode, + struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan, + struct switch_offsets *offsets, + uint64_t *tsc, + struct lttng_ust_shm_handle *handle) +{ + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + unsigned long off, reserve_commit_diff; + + offsets->begin = v_read(config, &buf->offset); + offsets->old = offsets->begin; + offsets->switch_old_start = 0; + off = subbuf_offset(offsets->begin, chan); + + *tsc = config->cb.ring_buffer_clock_read(chan); + + /* + * Ensure we flush the header of an empty subbuffer when doing the + * finalize (SWITCH_FLUSH). This ensures that we end up knowing the + * total data gathering duration even if there were no records saved + * after the last buffer switch. + * In SWITCH_ACTIVE mode, switch the buffer when it contains events. + * SWITCH_ACTIVE only flushes the current subbuffer, dealing with end of + * subbuffer header as appropriate. + * The next record that reserves space will be responsible for + * populating the following subbuffer header. We choose not to populate + * the next subbuffer header here because we want to be able to use + * SWITCH_ACTIVE for periodical buffer flush, which must + * guarantee that all the buffer content (records and header + * timestamps) are visible to the reader. This is required for + * quiescence guarantees for the fusion merge. + */ + if (mode != SWITCH_FLUSH && !off) + return -1; /* we do not have to switch : buffer is empty */ + + if (caa_unlikely(off == 0)) { + unsigned long sb_index, commit_count; + + /* + * We are performing a SWITCH_FLUSH. There may be concurrent + * writes into the buffer if e.g. invoked while performing a + * snapshot on an active trace. + * + * If the client does not save any header information + * (sub-buffer header size == 0), don't switch empty subbuffer + * on finalize, because it is invalid to deliver a completely + * empty subbuffer. + */ + if (!config->cb.subbuffer_header_size()) + return -1; + + /* Test new buffer integrity */ + sb_index = subbuf_index(offsets->begin, chan); + commit_count = v_read(config, + &shmp_index(handle, buf->commit_cold, + sb_index)->cc_sb); + reserve_commit_diff = + (buf_trunc(offsets->begin, chan) + >> chan->backend.num_subbuf_order) + - (commit_count & chan->commit_count_mask); + if (caa_likely(reserve_commit_diff == 0)) { + /* Next subbuffer not being written to. */ + if (caa_unlikely(config->mode != RING_BUFFER_OVERWRITE && + subbuf_trunc(offsets->begin, chan) + - subbuf_trunc((unsigned long) + uatomic_read(&buf->consumed), chan) + >= chan->backend.buf_size)) { + /* + * We do not overwrite non consumed buffers + * and we are full : don't switch. + */ + return -1; + } else { + /* + * Next subbuffer not being written to, and we + * are either in overwrite mode or the buffer is + * not full. It's safe to write in this new + * subbuffer. + */ + } + } else { + /* + * Next subbuffer reserve offset does not match the + * commit offset. Don't perform switch in + * producer-consumer and overwrite mode. Caused by + * either a writer OOPS or too many nested writes over a + * reserve/commit pair. + */ + return -1; + } + + /* + * Need to write the subbuffer start header on finalize. + */ + offsets->switch_old_start = 1; + } + offsets->begin = subbuf_align(offsets->begin, chan); + /* Note: old points to the next subbuf at offset 0 */ + offsets->end = offsets->begin; + return 0; +} + +/* + * Force a sub-buffer switch. This operation is completely reentrant : can be + * called while tracing is active with absolutely no lock held. + * + * Note, however, that as a v_cmpxchg is used for some atomic + * operations, this function must be called from the CPU which owns the buffer + * for a ACTIVE flush. + */ +void lib_ring_buffer_switch_slow(struct lttng_ust_lib_ring_buffer *buf, enum switch_mode mode, + struct lttng_ust_shm_handle *handle) +{ + struct channel *chan = shmp(handle, buf->backend.chan); + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + struct switch_offsets offsets; + unsigned long oldidx; + uint64_t tsc; + + offsets.size = 0; + + /* + * Perform retryable operations. + */ + do { + if (lib_ring_buffer_try_switch_slow(mode, buf, chan, &offsets, + &tsc, handle)) + return; /* Switch not needed */ + } while (v_cmpxchg(config, &buf->offset, offsets.old, offsets.end) + != offsets.old); + + /* + * Atomically update last_tsc. This update races against concurrent + * atomic updates, but the race will always cause supplementary full TSC + * records, never the opposite (missing a full TSC record when it would + * be needed). + */ + save_last_tsc(config, buf, tsc); + + /* + * Push the reader if necessary + */ + lib_ring_buffer_reserve_push_reader(buf, chan, offsets.old); + + oldidx = subbuf_index(offsets.old, chan); + lib_ring_buffer_clear_noref(config, &buf->backend, oldidx, handle); + + /* + * May need to populate header start on SWITCH_FLUSH. + */ + if (offsets.switch_old_start) { + lib_ring_buffer_switch_old_start(buf, chan, &offsets, tsc, handle); + offsets.old += config->cb.subbuffer_header_size(); + } + + /* + * Switch old subbuffer. + */ + lib_ring_buffer_switch_old_end(buf, chan, &offsets, tsc, handle); +} + +/* + * Returns : + * 0 if ok + * -ENOSPC if event size is too large for packet. + * -ENOBUFS if there is currently not enough space in buffer for the event. + * -EIO if data cannot be written into the buffer for any other reason. + */ +static +int lib_ring_buffer_try_reserve_slow(struct lttng_ust_lib_ring_buffer *buf, + struct channel *chan, + struct switch_offsets *offsets, + struct lttng_ust_lib_ring_buffer_ctx *ctx) +{ + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + struct lttng_ust_shm_handle *handle = ctx->handle; + unsigned long reserve_commit_diff, offset_cmp; + +retry: + offsets->begin = offset_cmp = v_read(config, &buf->offset); + offsets->old = offsets->begin; + offsets->switch_new_start = 0; + offsets->switch_new_end = 0; + offsets->switch_old_end = 0; + offsets->pre_header_padding = 0; + + ctx->tsc = config->cb.ring_buffer_clock_read(chan); + if ((int64_t) ctx->tsc == -EIO) + return -EIO; + + if (last_tsc_overflow(config, buf, ctx->tsc)) + ctx->rflags |= RING_BUFFER_RFLAG_FULL_TSC; + + if (caa_unlikely(subbuf_offset(offsets->begin, ctx->chan) == 0)) { + offsets->switch_new_start = 1; /* For offsets->begin */ + } else { + offsets->size = config->cb.record_header_size(config, chan, + offsets->begin, + &offsets->pre_header_padding, + ctx); + offsets->size += + lib_ring_buffer_align(offsets->begin + offsets->size, + ctx->largest_align) + + ctx->data_size; + if (caa_unlikely(subbuf_offset(offsets->begin, chan) + + offsets->size > chan->backend.subbuf_size)) { + offsets->switch_old_end = 1; /* For offsets->old */ + offsets->switch_new_start = 1; /* For offsets->begin */ + } + } + if (caa_unlikely(offsets->switch_new_start)) { + unsigned long sb_index, commit_count; + + /* + * We are typically not filling the previous buffer completely. + */ + if (caa_likely(offsets->switch_old_end)) + offsets->begin = subbuf_align(offsets->begin, chan); + offsets->begin = offsets->begin + + config->cb.subbuffer_header_size(); + /* Test new buffer integrity */ + sb_index = subbuf_index(offsets->begin, chan); + /* + * Read buf->offset before buf->commit_cold[sb_index].cc_sb. + * lib_ring_buffer_check_deliver() has the matching + * memory barriers required around commit_cold cc_sb + * updates to ensure reserve and commit counter updates + * are not seen reordered when updated by another CPU. + */ + cmm_smp_rmb(); + commit_count = v_read(config, + &shmp_index(handle, buf->commit_cold, + sb_index)->cc_sb); + /* Read buf->commit_cold[sb_index].cc_sb before buf->offset. */ + cmm_smp_rmb(); + if (caa_unlikely(offset_cmp != v_read(config, &buf->offset))) { + /* + * The reserve counter have been concurrently updated + * while we read the commit counter. This means the + * commit counter we read might not match buf->offset + * due to concurrent update. We therefore need to retry. + */ + goto retry; + } + reserve_commit_diff = + (buf_trunc(offsets->begin, chan) + >> chan->backend.num_subbuf_order) + - (commit_count & chan->commit_count_mask); + if (caa_likely(reserve_commit_diff == 0)) { + /* Next subbuffer not being written to. */ + if (caa_unlikely(config->mode != RING_BUFFER_OVERWRITE && + subbuf_trunc(offsets->begin, chan) + - subbuf_trunc((unsigned long) + uatomic_read(&buf->consumed), chan) + >= chan->backend.buf_size)) { + unsigned long nr_lost; + + /* + * We do not overwrite non consumed buffers + * and we are full : record is lost. + */ + nr_lost = v_read(config, &buf->records_lost_full); + v_inc(config, &buf->records_lost_full); + if ((nr_lost & (DBG_PRINT_NR_LOST - 1)) == 0) { + DBG("%lu or more records lost in (%s:%d) (buffer full)\n", + nr_lost + 1, chan->backend.name, + buf->backend.cpu); + } + return -ENOBUFS; + } else { + /* + * Next subbuffer not being written to, and we + * are either in overwrite mode or the buffer is + * not full. It's safe to write in this new + * subbuffer. + */ + } + } else { + unsigned long nr_lost; + + /* + * Next subbuffer reserve offset does not match the + * commit offset, and this did not involve update to the + * reserve counter. Drop record in producer-consumer and + * overwrite mode. Caused by either a writer OOPS or too + * many nested writes over a reserve/commit pair. + */ + nr_lost = v_read(config, &buf->records_lost_wrap); + v_inc(config, &buf->records_lost_wrap); + if ((nr_lost & (DBG_PRINT_NR_LOST - 1)) == 0) { + DBG("%lu or more records lost in (%s:%d) (wrap-around)\n", + nr_lost + 1, chan->backend.name, + buf->backend.cpu); + } + return -EIO; + } + offsets->size = + config->cb.record_header_size(config, chan, + offsets->begin, + &offsets->pre_header_padding, + ctx); + offsets->size += + lib_ring_buffer_align(offsets->begin + offsets->size, + ctx->largest_align) + + ctx->data_size; + if (caa_unlikely(subbuf_offset(offsets->begin, chan) + + offsets->size > chan->backend.subbuf_size)) { + unsigned long nr_lost; + + /* + * Record too big for subbuffers, report error, don't + * complete the sub-buffer switch. + */ + nr_lost = v_read(config, &buf->records_lost_big); + v_inc(config, &buf->records_lost_big); + if ((nr_lost & (DBG_PRINT_NR_LOST - 1)) == 0) { + DBG("%lu or more records lost in (%s:%d) record size " + " of %zu bytes is too large for buffer\n", + nr_lost + 1, chan->backend.name, + buf->backend.cpu, offsets->size); + } + return -ENOSPC; + } else { + /* + * We just made a successful buffer switch and the + * record fits in the new subbuffer. Let's write. + */ + } + } else { + /* + * Record fits in the current buffer and we are not on a switch + * boundary. It's safe to write. + */ + } + offsets->end = offsets->begin + offsets->size; + + if (caa_unlikely(subbuf_offset(offsets->end, chan) == 0)) { + /* + * The offset_end will fall at the very beginning of the next + * subbuffer. + */ + offsets->switch_new_end = 1; /* For offsets->begin */ + } + return 0; +} + +/** + * lib_ring_buffer_reserve_slow - Atomic slot reservation in a buffer. + * @ctx: ring buffer context. + * + * Return : -NOBUFS if not enough space, -ENOSPC if event size too large, + * -EIO for other errors, else returns 0. + * It will take care of sub-buffer switching. + */ +int lib_ring_buffer_reserve_slow(struct lttng_ust_lib_ring_buffer_ctx *ctx) +{ + struct channel *chan = ctx->chan; + struct lttng_ust_shm_handle *handle = ctx->handle; + const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config; + struct lttng_ust_lib_ring_buffer *buf; + struct switch_offsets offsets; + int ret; + + if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) + buf = shmp(handle, chan->backend.buf[ctx->cpu].shmp); + else + buf = shmp(handle, chan->backend.buf[0].shmp); + ctx->buf = buf; + + offsets.size = 0; + + do { + ret = lib_ring_buffer_try_reserve_slow(buf, chan, &offsets, + ctx); + if (caa_unlikely(ret)) + return ret; + } while (caa_unlikely(v_cmpxchg(config, &buf->offset, offsets.old, + offsets.end) + != offsets.old)); + + /* + * Atomically update last_tsc. This update races against concurrent + * atomic updates, but the race will always cause supplementary full TSC + * records, never the opposite (missing a full TSC record when it would + * be needed). + */ + save_last_tsc(config, buf, ctx->tsc); + + /* + * Push the reader if necessary + */ + lib_ring_buffer_reserve_push_reader(buf, chan, offsets.end - 1); + + /* + * Clear noref flag for this subbuffer. + */ + lib_ring_buffer_clear_noref(config, &buf->backend, + subbuf_index(offsets.end - 1, chan), + handle); + + /* + * Switch old subbuffer if needed. + */ + if (caa_unlikely(offsets.switch_old_end)) { + lib_ring_buffer_clear_noref(config, &buf->backend, + subbuf_index(offsets.old - 1, chan), + handle); + lib_ring_buffer_switch_old_end(buf, chan, &offsets, ctx->tsc, handle); + } + + /* + * Populate new subbuffer. + */ + if (caa_unlikely(offsets.switch_new_start)) + lib_ring_buffer_switch_new_start(buf, chan, &offsets, ctx->tsc, handle); + + if (caa_unlikely(offsets.switch_new_end)) + lib_ring_buffer_switch_new_end(buf, chan, &offsets, ctx->tsc, handle); + + ctx->slot_size = offsets.size; + ctx->pre_offset = offsets.begin; + ctx->buf_offset = offsets.begin + offsets.pre_header_padding; + return 0; +} + +/* + * Force a read (imply TLS fixup for dlopen) of TLS variables. + */ +void lttng_fixup_ringbuffer_tls(void) +{ + asm volatile ("" : : "m" (URCU_TLS(lib_ring_buffer_nesting))); +} + +void lib_ringbuffer_signal_init(void) +{ + sigset_t mask; + int ret; + + /* + * Block signal for entire process, so only our thread processes + * it. + */ + rb_setmask(&mask); + ret = pthread_sigmask(SIG_BLOCK, &mask, NULL); + if (ret) { + errno = ret; + PERROR("pthread_sigmask"); + } +} diff --git a/libringbuffer/shm.c b/libringbuffer/shm.c new file mode 100644 index 0000000..53b2b6e --- /dev/null +++ b/libringbuffer/shm.c @@ -0,0 +1,429 @@ +/* + * libringbuffer/shm.c + * + * Copyright (C) 2005-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "shm.h" +#include +#include +#include +#include +#include /* For mode constants */ +#include /* For O_* constants */ +#include +#include +#include +#include +#include +#include +#include + +/* + * Ensure we have the required amount of space available by writing 0 + * into the entire buffer. Not doing so can trigger SIGBUS when going + * beyond the available shm space. + */ +static +int zero_file(int fd, size_t len) +{ + ssize_t retlen; + size_t written = 0; + char *zeropage; + long pagelen; + int ret; + + pagelen = sysconf(_SC_PAGESIZE); + if (pagelen < 0) + return (int) pagelen; + zeropage = calloc(pagelen, 1); + if (!zeropage) + return -ENOMEM; + + while (len > written) { + do { + retlen = write(fd, zeropage, + min_t(size_t, pagelen, len - written)); + } while (retlen == -1UL && errno == EINTR); + if (retlen < 0) { + ret = (int) retlen; + goto error; + } + written += retlen; + } + ret = 0; +error: + free(zeropage); + return ret; +} + +struct shm_object_table *shm_object_table_create(size_t max_nb_obj) +{ + struct shm_object_table *table; + + table = zmalloc(sizeof(struct shm_object_table) + + max_nb_obj * sizeof(table->objects[0])); + if (!table) + return NULL; + table->size = max_nb_obj; + return table; +} + +static +struct shm_object *_shm_object_table_alloc_shm(struct shm_object_table *table, + size_t memory_map_size, + int stream_fd) +{ + int shmfd, waitfd[2], ret, i; + struct shm_object *obj; + char *memory_map; + + if (stream_fd < 0) + return NULL; + if (table->allocated_len >= table->size) + return NULL; + obj = &table->objects[table->allocated_len]; + + /* wait_fd: create pipe */ + ret = pipe(waitfd); + if (ret < 0) { + PERROR("pipe"); + goto error_pipe; + } + for (i = 0; i < 2; i++) { + ret = fcntl(waitfd[i], F_SETFD, FD_CLOEXEC); + if (ret < 0) { + PERROR("fcntl"); + goto error_fcntl; + } + } + /* The write end of the pipe needs to be non-blocking */ + ret = fcntl(waitfd[1], F_SETFL, O_NONBLOCK); + if (ret < 0) { + PERROR("fcntl"); + goto error_fcntl; + } + memcpy(obj->wait_fd, waitfd, sizeof(waitfd)); + + /* create shm */ + + shmfd = stream_fd; + ret = zero_file(shmfd, memory_map_size); + if (ret) { + PERROR("zero_file"); + goto error_zero_file; + } + ret = ftruncate(shmfd, memory_map_size); + if (ret) { + PERROR("ftruncate"); + goto error_ftruncate; + } + obj->shm_fd_ownership = 0; + obj->shm_fd = shmfd; + + /* memory_map: mmap */ + memory_map = mmap(NULL, memory_map_size, PROT_READ | PROT_WRITE, + MAP_SHARED, shmfd, 0); + if (memory_map == MAP_FAILED) { + PERROR("mmap"); + goto error_mmap; + } + obj->type = SHM_OBJECT_SHM; + obj->memory_map = memory_map; + obj->memory_map_size = memory_map_size; + obj->allocated_len = 0; + obj->index = table->allocated_len++; + + return obj; + +error_mmap: +error_ftruncate: +error_zero_file: +error_fcntl: + for (i = 0; i < 2; i++) { + ret = close(waitfd[i]); + if (ret) { + PERROR("close"); + assert(0); + } + } +error_pipe: + return NULL; +} + +static +struct shm_object *_shm_object_table_alloc_mem(struct shm_object_table *table, + size_t memory_map_size) +{ + struct shm_object *obj; + void *memory_map; + int waitfd[2], i, ret; + + if (table->allocated_len >= table->size) + return NULL; + obj = &table->objects[table->allocated_len]; + + memory_map = zmalloc(memory_map_size); + if (!memory_map) + goto alloc_error; + + /* wait_fd: create pipe */ + ret = pipe(waitfd); + if (ret < 0) { + PERROR("pipe"); + goto error_pipe; + } + for (i = 0; i < 2; i++) { + ret = fcntl(waitfd[i], F_SETFD, FD_CLOEXEC); + if (ret < 0) { + PERROR("fcntl"); + goto error_fcntl; + } + } + /* The write end of the pipe needs to be non-blocking */ + ret = fcntl(waitfd[1], F_SETFL, O_NONBLOCK); + if (ret < 0) { + PERROR("fcntl"); + goto error_fcntl; + } + memcpy(obj->wait_fd, waitfd, sizeof(waitfd)); + + /* no shm_fd */ + obj->shm_fd = -1; + obj->shm_fd_ownership = 0; + + obj->type = SHM_OBJECT_MEM; + obj->memory_map = memory_map; + obj->memory_map_size = memory_map_size; + obj->allocated_len = 0; + obj->index = table->allocated_len++; + + return obj; + +error_fcntl: + for (i = 0; i < 2; i++) { + ret = close(waitfd[i]); + if (ret) { + PERROR("close"); + assert(0); + } + } +error_pipe: + free(memory_map); +alloc_error: + return NULL; +} + +struct shm_object *shm_object_table_alloc(struct shm_object_table *table, + size_t memory_map_size, + enum shm_object_type type, + int stream_fd) +{ + switch (type) { + case SHM_OBJECT_SHM: + return _shm_object_table_alloc_shm(table, memory_map_size, + stream_fd); + case SHM_OBJECT_MEM: + return _shm_object_table_alloc_mem(table, memory_map_size); + default: + assert(0); + } + return NULL; +} + +struct shm_object *shm_object_table_append_shm(struct shm_object_table *table, + int shm_fd, int wakeup_fd, uint32_t stream_nr, + size_t memory_map_size) +{ + struct shm_object *obj; + char *memory_map; + int ret; + + if (table->allocated_len >= table->size) + return NULL; + /* streams _must_ be received in sequential order, else fail. */ + if (stream_nr + 1 != table->allocated_len) + return NULL; + + obj = &table->objects[table->allocated_len]; + + /* wait_fd: set write end of the pipe. */ + obj->wait_fd[0] = -1; /* read end is unset */ + obj->wait_fd[1] = wakeup_fd; + obj->shm_fd = shm_fd; + obj->shm_fd_ownership = 1; + + ret = fcntl(obj->wait_fd[1], F_SETFD, FD_CLOEXEC); + if (ret < 0) { + PERROR("fcntl"); + goto error_fcntl; + } + /* The write end of the pipe needs to be non-blocking */ + ret = fcntl(obj->wait_fd[1], F_SETFL, O_NONBLOCK); + if (ret < 0) { + PERROR("fcntl"); + goto error_fcntl; + } + + /* memory_map: mmap */ + memory_map = mmap(NULL, memory_map_size, PROT_READ | PROT_WRITE, + MAP_SHARED, shm_fd, 0); + if (memory_map == MAP_FAILED) { + PERROR("mmap"); + goto error_mmap; + } + obj->type = SHM_OBJECT_SHM; + obj->memory_map = memory_map; + obj->memory_map_size = memory_map_size; + obj->allocated_len = memory_map_size; + obj->index = table->allocated_len++; + + return obj; + +error_fcntl: +error_mmap: + return NULL; +} + +/* + * Passing ownership of mem to object. + */ +struct shm_object *shm_object_table_append_mem(struct shm_object_table *table, + void *mem, size_t memory_map_size, int wakeup_fd) +{ + struct shm_object *obj; + int ret; + + if (table->allocated_len >= table->size) + return NULL; + obj = &table->objects[table->allocated_len]; + + obj->wait_fd[0] = -1; /* read end is unset */ + obj->wait_fd[1] = wakeup_fd; + obj->shm_fd = -1; + obj->shm_fd_ownership = 0; + + ret = fcntl(obj->wait_fd[1], F_SETFD, FD_CLOEXEC); + if (ret < 0) { + PERROR("fcntl"); + goto error_fcntl; + } + /* The write end of the pipe needs to be non-blocking */ + ret = fcntl(obj->wait_fd[1], F_SETFL, O_NONBLOCK); + if (ret < 0) { + PERROR("fcntl"); + goto error_fcntl; + } + + obj->type = SHM_OBJECT_MEM; + obj->memory_map = mem; + obj->memory_map_size = memory_map_size; + obj->allocated_len = memory_map_size; + obj->index = table->allocated_len++; + + return obj; + +error_fcntl: + return NULL; +} + +static +void shmp_object_destroy(struct shm_object *obj) +{ + switch (obj->type) { + case SHM_OBJECT_SHM: + { + int ret, i; + + ret = munmap(obj->memory_map, obj->memory_map_size); + if (ret) { + PERROR("umnmap"); + assert(0); + } + if (obj->shm_fd_ownership) { + ret = close(obj->shm_fd); + if (ret) { + PERROR("close"); + assert(0); + } + } + for (i = 0; i < 2; i++) { + if (obj->wait_fd[i] < 0) + continue; + ret = close(obj->wait_fd[i]); + if (ret) { + PERROR("close"); + assert(0); + } + } + break; + } + case SHM_OBJECT_MEM: + { + int ret, i; + + for (i = 0; i < 2; i++) { + if (obj->wait_fd[i] < 0) + continue; + ret = close(obj->wait_fd[i]); + if (ret) { + PERROR("close"); + assert(0); + } + } + free(obj->memory_map); + break; + } + default: + assert(0); + } +} + +void shm_object_table_destroy(struct shm_object_table *table) +{ + int i; + + for (i = 0; i < table->allocated_len; i++) + shmp_object_destroy(&table->objects[i]); + free(table); +} + +/* + * zalloc_shm - allocate memory within a shm object. + * + * Shared memory is already zeroed by shmget. + * *NOT* multithread-safe (should be protected by mutex). + * Returns a -1, -1 tuple on error. + */ +struct shm_ref zalloc_shm(struct shm_object *obj, size_t len) +{ + struct shm_ref ref; + struct shm_ref shm_ref_error = { -1, -1 }; + + if (obj->memory_map_size - obj->allocated_len < len) + return shm_ref_error; + ref.index = obj->index; + ref.offset = obj->allocated_len; + obj->allocated_len += len; + return ref; +} + +void align_shm(struct shm_object *obj, size_t align) +{ + size_t offset_len = offset_align(obj->allocated_len, align); + obj->allocated_len += offset_len; +} diff --git a/libringbuffer/shm.h b/libringbuffer/shm.h new file mode 100644 index 0000000..a6b9ed8 --- /dev/null +++ b/libringbuffer/shm.h @@ -0,0 +1,222 @@ +#ifndef _LIBRINGBUFFER_SHM_H +#define _LIBRINGBUFFER_SHM_H + +/* + * libringbuffer/shm.h + * + * Copyright (C) 2011-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include "shm_types.h" + +/* channel_handle_create - for UST. */ +extern +struct lttng_ust_shm_handle *channel_handle_create(void *data, + uint64_t memory_map_size, int wakeup_fd); +/* channel_handle_add_stream - for UST. */ +extern +int channel_handle_add_stream(struct lttng_ust_shm_handle *handle, + int shm_fd, int wakeup_fd, uint32_t stream_nr, + uint64_t memory_map_size); +unsigned int channel_handle_get_nr_streams(struct lttng_ust_shm_handle *handle); +extern +void channel_destroy(struct channel *chan, struct lttng_ust_shm_handle *handle, + int consumer); + +/* + * Pointer dereferencing. We don't trust the shm_ref, so we validate + * both the index and offset with known boundaries. + * + * "shmp" and "shmp_index" guarantee that it's safe to use the pointer + * target type, even in the occurrence of shm_ref modification by an + * untrusted process having write access to the shm_ref. We return a + * NULL pointer if the ranges are invalid. + */ +static inline +char *_shmp_offset(struct shm_object_table *table, struct shm_ref *ref, + size_t idx, size_t elem_size) +{ + struct shm_object *obj; + size_t objindex, ref_offset; + + objindex = (size_t) ref->index; + if (caa_unlikely(objindex >= table->allocated_len)) + return NULL; + obj = &table->objects[objindex]; + ref_offset = (size_t) ref->offset; + ref_offset += idx * elem_size; + /* Check if part of the element returned would exceed the limits. */ + if (caa_unlikely(ref_offset + elem_size > obj->memory_map_size)) + return NULL; + return &obj->memory_map[ref_offset]; +} + +#define shmp_index(handle, ref, index) \ + ({ \ + __typeof__((ref)._type) ____ptr_ret; \ + ____ptr_ret = (__typeof__(____ptr_ret)) _shmp_offset((handle)->table, &(ref)._ref, index, sizeof(*____ptr_ret)); \ + ____ptr_ret; \ + }) + +#define shmp(handle, ref) shmp_index(handle, ref, 0) + +static inline +void _set_shmp(struct shm_ref *ref, struct shm_ref src) +{ + *ref = src; +} + +#define set_shmp(ref, src) _set_shmp(&(ref)._ref, src) + +struct shm_object_table *shm_object_table_create(size_t max_nb_obj); +struct shm_object *shm_object_table_alloc(struct shm_object_table *table, + size_t memory_map_size, + enum shm_object_type type, + const int stream_fd); +struct shm_object *shm_object_table_append_shm(struct shm_object_table *table, + int shm_fd, int wakeup_fd, uint32_t stream_nr, + size_t memory_map_size); +/* mem ownership is passed to shm_object_table_append_mem(). */ +struct shm_object *shm_object_table_append_mem(struct shm_object_table *table, + void *mem, size_t memory_map_size, int wakeup_fd); +void shm_object_table_destroy(struct shm_object_table *table); + +/* + * zalloc_shm - allocate memory within a shm object. + * + * Shared memory is already zeroed by shmget. + * *NOT* multithread-safe (should be protected by mutex). + * Returns a -1, -1 tuple on error. + */ +struct shm_ref zalloc_shm(struct shm_object *obj, size_t len); +void align_shm(struct shm_object *obj, size_t align); + +static inline +int shm_get_wait_fd(struct lttng_ust_shm_handle *handle, struct shm_ref *ref) +{ + struct shm_object_table *table = handle->table; + struct shm_object *obj; + size_t index; + + index = (size_t) ref->index; + if (caa_unlikely(index >= table->allocated_len)) + return -EPERM; + obj = &table->objects[index]; + return obj->wait_fd[0]; +} + +static inline +int shm_get_wakeup_fd(struct lttng_ust_shm_handle *handle, struct shm_ref *ref) +{ + struct shm_object_table *table = handle->table; + struct shm_object *obj; + size_t index; + + index = (size_t) ref->index; + if (caa_unlikely(index >= table->allocated_len)) + return -EPERM; + obj = &table->objects[index]; + return obj->wait_fd[1]; +} + +static inline +int shm_close_wait_fd(struct lttng_ust_shm_handle *handle, + struct shm_ref *ref) +{ + struct shm_object_table *table = handle->table; + struct shm_object *obj; + int wait_fd; + size_t index; + int ret; + + index = (size_t) ref->index; + if (caa_unlikely(index >= table->allocated_len)) + return -EPERM; + obj = &table->objects[index]; + wait_fd = obj->wait_fd[0]; + if (wait_fd < 0) + return -ENOENT; + obj->wait_fd[0] = -1; + ret = close(wait_fd); + if (ret) { + ret = -errno; + return ret; + } + return 0; +} + +static inline +int shm_close_wakeup_fd(struct lttng_ust_shm_handle *handle, + struct shm_ref *ref) +{ + struct shm_object_table *table = handle->table; + struct shm_object *obj; + int wakeup_fd; + size_t index; + int ret; + + index = (size_t) ref->index; + if (caa_unlikely(index >= table->allocated_len)) + return -EPERM; + obj = &table->objects[index]; + wakeup_fd = obj->wait_fd[1]; + if (wakeup_fd < 0) + return -ENOENT; + obj->wait_fd[1] = -1; + ret = close(wakeup_fd); + if (ret) { + ret = -errno; + return ret; + } + return 0; +} + +static inline +int shm_get_shm_fd(struct lttng_ust_shm_handle *handle, struct shm_ref *ref) +{ + struct shm_object_table *table = handle->table; + struct shm_object *obj; + size_t index; + + index = (size_t) ref->index; + if (caa_unlikely(index >= table->allocated_len)) + return -EPERM; + obj = &table->objects[index]; + return obj->shm_fd; +} + + +static inline +int shm_get_shm_size(struct lttng_ust_shm_handle *handle, struct shm_ref *ref, + uint64_t *size) +{ + struct shm_object_table *table = handle->table; + struct shm_object *obj; + size_t index; + + index = (size_t) ref->index; + if (caa_unlikely(index >= table->allocated_len)) + return -EPERM; + obj = &table->objects[index]; + *size = obj->memory_map_size; + return 0; +} + +#endif /* _LIBRINGBUFFER_SHM_H */ diff --git a/libringbuffer/shm_internal.h b/libringbuffer/shm_internal.h new file mode 100644 index 0000000..06a47ab --- /dev/null +++ b/libringbuffer/shm_internal.h @@ -0,0 +1,35 @@ +#ifndef _LIBRINGBUFFER_SHM_INTERNAL_H +#define _LIBRINGBUFFER_SHM_INTERNAL_H + +/* + * libringbuffer/shm_internal.h + * + * Copyright (C) 2011-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +struct shm_ref { + volatile ssize_t index; /* within the object table */ + volatile ssize_t offset; /* within the object */ +}; + +#define DECLARE_SHMP(type, name) \ + union { \ + struct shm_ref _ref; \ + type *_type; \ + } name + +#endif /* _LIBRINGBUFFER_SHM_INTERNAL_H */ diff --git a/libringbuffer/shm_types.h b/libringbuffer/shm_types.h new file mode 100644 index 0000000..11076d2 --- /dev/null +++ b/libringbuffer/shm_types.h @@ -0,0 +1,57 @@ +#ifndef _LIBRINGBUFFER_SHM_TYPES_H +#define _LIBRINGBUFFER_SHM_TYPES_H + +/* + * libringbuffer/shm_types.h + * + * Copyright (C) 2011-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include "shm_internal.h" + +struct channel; + +enum shm_object_type { + SHM_OBJECT_SHM, + SHM_OBJECT_MEM, +}; + +struct shm_object { + enum shm_object_type type; + size_t index; /* within the object table */ + int shm_fd; /* shm fd */ + int wait_fd[2]; /* fd for wait/wakeup */ + char *memory_map; + size_t memory_map_size; + uint64_t allocated_len; + int shm_fd_ownership; +}; + +struct shm_object_table { + size_t size; + size_t allocated_len; + struct shm_object objects[]; +}; + +struct lttng_ust_shm_handle { + struct shm_object_table *table; + DECLARE_SHMP(struct channel, chan); +}; + +#endif /* _LIBRINGBUFFER_SHM_TYPES_H */ diff --git a/libringbuffer/smp.c b/libringbuffer/smp.c new file mode 100644 index 0000000..ffc7a52 --- /dev/null +++ b/libringbuffer/smp.c @@ -0,0 +1,44 @@ +/* + * libringbuffer/smp.c + * + * Copyright (C) 2011-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define _GNU_SOURCE +#include +#include +#include "smp.h" + +int __num_possible_cpus; + +void _get_num_possible_cpus(void) +{ + int result; + + /* On Linux, when some processors are offline + * _SC_NPROCESSORS_CONF counts the offline + * processors, whereas _SC_NPROCESSORS_ONLN + * does not. If we used _SC_NPROCESSORS_ONLN, + * getcpu() could return a value greater than + * this sysconf, in which case the arrays + * indexed by processor would overflow. + */ + result = sysconf(_SC_NPROCESSORS_CONF); + if (result == -1) + return; + __num_possible_cpus = result; +} diff --git a/libringbuffer/smp.h b/libringbuffer/smp.h new file mode 100644 index 0000000..479a9dc --- /dev/null +++ b/libringbuffer/smp.h @@ -0,0 +1,46 @@ +#ifndef _LIBRINGBUFFER_SMP_H +#define _LIBRINGBUFFER_SMP_H + +/* + * libringbuffer/smp.h + * + * Copyright (C) 2011-2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "getcpu.h" + +/* + * 4kB of per-cpu data available. Enough to hold the control structures, + * but not ring buffers. + */ +#define PER_CPU_MEM_SIZE 4096 + +extern int __num_possible_cpus; +extern void _get_num_possible_cpus(void); + +static inline +int num_possible_cpus(void) +{ + if (!__num_possible_cpus) + _get_num_possible_cpus(); + return __num_possible_cpus; +} + +#define for_each_possible_cpu(cpu) \ + for ((cpu) = 0; (cpu) < num_possible_cpus(); (cpu)++) + +#endif /* _LIBRINGBUFFER_SMP_H */ diff --git a/libringbuffer/tlsfixup.h b/libringbuffer/tlsfixup.h new file mode 100644 index 0000000..125742e --- /dev/null +++ b/libringbuffer/tlsfixup.h @@ -0,0 +1,26 @@ +#ifndef _LTTNG_UST_LIB_RINGBUFFER_TLS_FIXUP_H +#define _LTTNG_UST_LIB_RINGBUFFER_TLS_FIXUP_H + +/* + * libringbuffer/tlsfixup.h + * + * Copyright (C) 2012 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +void lttng_fixup_ringbuffer_tls(void); + +#endif /* _LTTNG_UST_LIB_RINGBUFFER_TLS_FIXUP_H */ diff --git a/libringbuffer/vatomic.h b/libringbuffer/vatomic.h new file mode 100644 index 0000000..019ea06 --- /dev/null +++ b/libringbuffer/vatomic.h @@ -0,0 +1,90 @@ +#ifndef _LTTNG_RING_BUFFER_VATOMIC_H +#define _LTTNG_RING_BUFFER_VATOMIC_H + +/* + * libringbuffer/vatomic.h + * + * Copyright (C) 2010-2012 - Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include + +/* + * Same data type (long) accessed differently depending on configuration. + * v field is for non-atomic access (protected by mutual exclusion). + * In the fast-path, the ring_buffer_config structure is constant, so the + * compiler can statically select the appropriate branch. + * local_t is used for per-cpu and per-thread buffers. + * atomic_long_t is used for globally shared buffers. + */ +union v_atomic { + long a; /* accessed through uatomic */ + long v; +}; + +static inline +long v_read(const struct lttng_ust_lib_ring_buffer_config *config, union v_atomic *v_a) +{ + assert(config->sync != RING_BUFFER_SYNC_PER_CPU); + return uatomic_read(&v_a->a); +} + +static inline +void v_set(const struct lttng_ust_lib_ring_buffer_config *config, union v_atomic *v_a, + long v) +{ + assert(config->sync != RING_BUFFER_SYNC_PER_CPU); + uatomic_set(&v_a->a, v); +} + +static inline +void v_add(const struct lttng_ust_lib_ring_buffer_config *config, long v, union v_atomic *v_a) +{ + assert(config->sync != RING_BUFFER_SYNC_PER_CPU); + uatomic_add(&v_a->a, v); +} + +static inline +void v_inc(const struct lttng_ust_lib_ring_buffer_config *config, union v_atomic *v_a) +{ + assert(config->sync != RING_BUFFER_SYNC_PER_CPU); + uatomic_inc(&v_a->a); +} + +/* + * Non-atomic decrement. Only used by reader, apply to reader-owned subbuffer. + */ +static inline +void _v_dec(const struct lttng_ust_lib_ring_buffer_config *config, union v_atomic *v_a) +{ + --v_a->v; +} + +static inline +long v_cmpxchg(const struct lttng_ust_lib_ring_buffer_config *config, union v_atomic *v_a, + long old, long _new) +{ + assert(config->sync != RING_BUFFER_SYNC_PER_CPU); + return uatomic_cmpxchg(&v_a->a, old, _new); +} + +#endif /* _LTTNG_RING_BUFFER_VATOMIC_H */ diff --git a/lttng-ust.pc.in b/lttng-ust.pc.in new file mode 100644 index 0000000..f9adde8 --- /dev/null +++ b/lttng-ust.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ + +Name: LTTng Userspace Tracer +Description: The LTTng Userspace Tracer (UST) is a library accompanied by a set of tools to trace userspace code. +Version: @PACKAGE_VERSION@ +Requires: +Requires.private: liburcu-bp +Libs: -L${libdir} -llttng-ust -ldl +Cflags: -I${includedir} + diff --git a/python-lttngust/Makefile.am b/python-lttngust/Makefile.am new file mode 100644 index 0000000..cc28989 --- /dev/null +++ b/python-lttngust/Makefile.am @@ -0,0 +1,25 @@ +# Use setup.py for the installation instead of Autoconf. +# This ease the installation process and assure a *pythonic* +# installation. +agent_path=lttngust +all-local: + $(PYTHON) setup.py build --verbose + +install-exec-local: + @opts="--prefix=$(prefix) --verbose --no-compile $(DISTSETUPOPTS)"; \ + if [ "$(DESTDIR)" != "" ]; then \ + opts="$$opts --root=$(DESTDIR)"; \ + fi; \ + $(PYTHON) setup.py install $$opts; + +clean-local: + rm -rf build + +uninstall-local: + rm -rf $(DESTDIR)$(pkgpythondir) + +EXTRA_DIST=$(agent_path) + +# Remove automake generated file before dist +dist-hook: + rm -rf $(distdir)/$(agent_path)/__init__.py diff --git a/python-lttngust/Makefile.in b/python-lttngust/Makefile.in new file mode 100644 index 0000000..72e2d22 --- /dev/null +++ b/python-lttngust/Makefile.in @@ -0,0 +1,507 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ +VPATH = @srcdir@ +am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)' +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; 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\ + if [ "$(DESTDIR)" != "" ]; then \ + opts="$$opts --root=$(DESTDIR)"; \ + fi; \ + $(PYTHON) setup.py install $$opts; + +clean-local: + rm -rf build + +uninstall-local: + rm -rf $(DESTDIR)$(pkgpythondir) + +# Remove automake generated file before dist +dist-hook: + rm -rf $(distdir)/$(agent_path)/__init__.py + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/python-lttngust/lttngust/__init__.py.in b/python-lttngust/lttngust/__init__.py.in new file mode 100644 index 0000000..b70c2e8 --- /dev/null +++ b/python-lttngust/lttngust/__init__.py.in @@ -0,0 +1,24 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2015 - Philippe Proulx +# +# This library is free software; you can redistribute it and/or modify it under +# the terms of the GNU Lesser General Public License as published by the Free +# Software Foundation; version 2.1 of the License. +# +# This library is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more +# details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +from __future__ import unicode_literals + +# this creates the daemon threads and registers the application +import lttngust.agent + + +__version__ = '@PACKAGE_VERSION@' diff --git a/python-lttngust/lttngust/agent.py b/python-lttngust/lttngust/agent.py new file mode 100644 index 0000000..ebfa2de --- /dev/null +++ b/python-lttngust/lttngust/agent.py @@ -0,0 +1,395 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2015 - Philippe Proulx +# Copyright (C) 2014 - David Goulet +# +# This library is free software; you can redistribute it and/or modify it under +# the terms of the GNU Lesser General Public License as published by the Free +# Software Foundation; version 2.1 of the License. +# +# This library is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more +# details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +from __future__ import unicode_literals +from __future__ import print_function +from __future__ import division +import lttngust.debug as dbg +import lttngust.loghandler +import lttngust.cmd +from io import open +import threading +import logging +import socket +import time +import sys +import os + + +try: + # Python 2 + import Queue as queue +except ImportError: + # Python 3 + import queue + + +_PROTO_DOMAIN = 5 +_PROTO_MAJOR = 2 +_PROTO_MINOR = 0 + + +def _get_env_value_ms(key, default_s): + try: + val = int(os.getenv(key, default_s * 1000)) / 1000 + except: + val = -1 + + if val < 0: + fmt = 'invalid ${} value; {} seconds will be used' + dbg._pwarning(fmt.format(key, default_s)) + val = default_s + + return val + + +_REG_TIMEOUT = _get_env_value_ms('LTTNG_UST_PYTHON_REGISTER_TIMEOUT', 5) +_RETRY_REG_DELAY = _get_env_value_ms('LTTNG_UST_PYTHON_REGISTER_RETRY_DELAY', 3) + + +class _TcpClient(object): + def __init__(self, name, host, port, reg_queue): + super(self.__class__, self).__init__() + self._name = name + self._host = host + self._port = port + + try: + self._log_handler = lttngust.loghandler._Handler() + except (OSError) as e: + dbg._pwarning('cannot load library: {}'.format(e)) + raise e + + self._root_logger = logging.getLogger() + self._root_logger.setLevel(logging.NOTSET) + self._ref_count = 0 + self._sessiond_sock = None + self._reg_queue = reg_queue + self._server_cmd_handlers = { + lttngust.cmd._ServerCmdRegistrationDone: self._handle_server_cmd_reg_done, + lttngust.cmd._ServerCmdEnable: self._handle_server_cmd_enable, + lttngust.cmd._ServerCmdDisable: self._handle_server_cmd_disable, + lttngust.cmd._ServerCmdList: self._handle_server_cmd_list, + } + + def _debug(self, msg): + return 'client "{}": {}'.format(self._name, msg) + + def run(self): + while True: + try: + # connect to the session daemon + dbg._pdebug(self._debug('connecting to session daemon')) + self._connect_to_sessiond() + + # register to the session daemon after a successful connection + dbg._pdebug(self._debug('registering to session daemon')) + self._register() + + # wait for commands from the session daemon + self._wait_server_cmd() + except (Exception) as e: + # Whatever happens here, we have to close the socket and + # retry to connect to the session daemon since either + # the socket was closed, a network timeout occured, or + # invalid data was received. + dbg._pdebug(self._debug('got exception: {}'.format(e))) + self._cleanup_socket() + dbg._pdebug(self._debug('sleeping for {} s'.format(_RETRY_REG_DELAY))) + time.sleep(_RETRY_REG_DELAY) + + def _recv_server_cmd_header(self): + data = self._sessiond_sock.recv(lttngust.cmd._SERVER_CMD_HEADER_SIZE) + + if not data: + dbg._pdebug(self._debug('received empty server command header')) + return None + + assert(len(data) == lttngust.cmd._SERVER_CMD_HEADER_SIZE) + dbg._pdebug(self._debug('received server command header ({} bytes)'.format(len(data)))) + + return lttngust.cmd._server_cmd_header_from_data(data) + + def _recv_server_cmd(self): + server_cmd_header = self._recv_server_cmd_header() + + if server_cmd_header is None: + return None + + dbg._pdebug(self._debug('server command header: data size: {} bytes'.format(server_cmd_header.data_size))) + dbg._pdebug(self._debug('server command header: command ID: {}'.format(server_cmd_header.cmd_id))) + dbg._pdebug(self._debug('server command header: command version: {}'.format(server_cmd_header.cmd_version))) + data = bytes() + + if server_cmd_header.data_size > 0: + data = self._sessiond_sock.recv(server_cmd_header.data_size) + assert(len(data) == server_cmd_header.data_size) + + return lttngust.cmd._server_cmd_from_data(server_cmd_header, data) + + def _send_cmd_reply(self, cmd_reply): + data = cmd_reply.get_data() + dbg._pdebug(self._debug('sending command reply ({} bytes)'.format(len(data)))) + self._sessiond_sock.sendall(data) + + def _handle_server_cmd_reg_done(self, server_cmd): + dbg._pdebug(self._debug('got "registration done" server command')) + + if self._reg_queue is not None: + dbg._pdebug(self._debug('notifying _init_threads()')) + + try: + self._reg_queue.put(True) + except (Exception) as e: + # read side could be closed by now; ignore it + pass + + self._reg_queue = None + + def _handle_server_cmd_enable(self, server_cmd): + dbg._pdebug(self._debug('got "enable" server command')) + self._ref_count += 1 + + if self._ref_count == 1: + dbg._pdebug(self._debug('adding our handler to the root logger')) + self._root_logger.addHandler(self._log_handler) + + dbg._pdebug(self._debug('ref count is {}'.format(self._ref_count))) + + return lttngust.cmd._ClientCmdReplyEnable() + + def _handle_server_cmd_disable(self, server_cmd): + dbg._pdebug(self._debug('got "disable" server command')) + self._ref_count -= 1 + + if self._ref_count < 0: + # disable command could be sent again when a session is destroyed + self._ref_count = 0 + + if self._ref_count == 0: + dbg._pdebug(self._debug('removing our handler from the root logger')) + self._root_logger.removeHandler(self._log_handler) + + dbg._pdebug(self._debug('ref count is {}'.format(self._ref_count))) + + return lttngust.cmd._ClientCmdReplyDisable() + + def _handle_server_cmd_list(self, server_cmd): + dbg._pdebug(self._debug('got "list" server command')) + names = logging.Logger.manager.loggerDict.keys() + dbg._pdebug(self._debug('found {} loggers'.format(len(names)))) + cmd_reply = lttngust.cmd._ClientCmdReplyList(names=names) + + return cmd_reply + + def _handle_server_cmd(self, server_cmd): + cmd_reply = None + + if server_cmd is None: + dbg._pdebug(self._debug('bad server command')) + status = lttngust.cmd._CLIENT_CMD_REPLY_STATUS_INVALID_CMD + cmd_reply = lttngust.cmd._ClientCmdReply(status) + elif type(server_cmd) in self._server_cmd_handlers: + cmd_reply = self._server_cmd_handlers[type(server_cmd)](server_cmd) + else: + dbg._pdebug(self._debug('unknown server command')) + status = lttngust.cmd._CLIENT_CMD_REPLY_STATUS_INVALID_CMD + cmd_reply = lttngust.cmd._ClientCmdReply(status) + + if cmd_reply is not None: + self._send_cmd_reply(cmd_reply) + + def _wait_server_cmd(self): + while True: + try: + server_cmd = self._recv_server_cmd() + except socket.timeout: + # simply retry here; the protocol has no KA and we could + # wait for hours + continue + + self._handle_server_cmd(server_cmd) + + def _cleanup_socket(self): + try: + self._sessiond_sock.shutdown(socket.SHUT_RDWR) + self._sessiond_sock.close() + except: + pass + + self._sessiond_sock = None + + def _connect_to_sessiond(self): + # create session daemon TCP socket + if self._sessiond_sock is None: + self._sessiond_sock = socket.socket(socket.AF_INET, + socket.SOCK_STREAM) + + # Use str(self._host) here. Since this host could be a string + # literal, and since we're importing __future__.unicode_literals, + # we want to make sure the host is a native string in Python 2. + # This avoids an indirect module import (unicode module to + # decode the unicode string, eventually imported by the + # socket module if needed), which is not allowed in a thread + # directly created by a module in Python 2 (our case). + # + # tl;dr: Do NOT remove str() here, or this call in Python 2 + # _will_ block on an interpreter's mutex until the waiting + # register queue timeouts. + self._sessiond_sock.connect((str(self._host), self._port)) + + def _register(self): + cmd = lttngust.cmd._ClientRegisterCmd(_PROTO_DOMAIN, os.getpid(), + _PROTO_MAJOR, _PROTO_MINOR) + data = cmd.get_data() + self._sessiond_sock.sendall(data) + + +def _get_port_from_file(path): + port = None + dbg._pdebug('reading port from file "{}"'.format(path)) + + try: + f = open(path) + r_port = int(f.readline()) + f.close() + + if r_port > 0 or r_port <= 65535: + port = r_port + except: + pass + + return port + + +def _get_user_home_path(): + # $LTTNG_HOME overrides $HOME if it exists + return os.getenv('LTTNG_HOME', os.path.expanduser('~')) + + +_initialized = False +_SESSIOND_HOST = '127.0.0.1' + + +def _client_thread_target(name, port, reg_queue): + dbg._pdebug('creating client "{}" using TCP port {}'.format(name, port)) + client = _TcpClient(name, _SESSIOND_HOST, port, reg_queue) + dbg._pdebug('starting client "{}"'.format(name)) + client.run() + + +def _init_threads(): + global _initialized + + dbg._pdebug('entering') + + if _initialized: + dbg._pdebug('agent is already initialized') + return + + # This makes sure that the appropriate modules for encoding and + # decoding strings/bytes are imported now, since no import should + # happen within a thread at import time (our case). + 'lttng'.encode().decode() + + _initialized = True + sys_port = _get_port_from_file('/var/run/lttng/agent.port') + user_port_file = os.path.join(_get_user_home_path(), '.lttng', 'agent.port') + user_port = _get_port_from_file(user_port_file) + reg_queue = queue.Queue() + reg_expecting = 0 + + dbg._pdebug('system session daemon port: {}'.format(sys_port)) + dbg._pdebug('user session daemon port: {}'.format(user_port)) + + if sys_port == user_port and sys_port is not None: + # The two session daemon ports are the same. This is not normal. + # Connect to only one. + dbg._pdebug('both user and system session daemon have the same port') + sys_port = None + + try: + if sys_port is not None: + dbg._pdebug('creating system client thread') + t = threading.Thread(target=_client_thread_target, + args=('system', sys_port, reg_queue)) + t.name = 'system' + t.daemon = True + t.start() + dbg._pdebug('created and started system client thread') + reg_expecting += 1 + + if user_port is not None: + dbg._pdebug('creating user client thread') + t = threading.Thread(target=_client_thread_target, + args=('user', user_port, reg_queue)) + t.name = 'user' + t.daemon = True + t.start() + dbg._pdebug('created and started user client thread') + reg_expecting += 1 + except: + # cannot create threads for some reason; stop this initialization + dbg._pwarning('cannot create client threads') + return + + if reg_expecting == 0: + # early exit: looks like there's not even one valid port + dbg._pwarning('no valid LTTng session daemon port found (is the session daemon started?)') + return + + cur_timeout = _REG_TIMEOUT + + # We block here to make sure the agent is properly registered to + # the session daemon. If we timeout, the client threads will still + # continue to try to connect and register to the session daemon, + # but there is no guarantee that all following logging statements + # will make it to LTTng-UST. + # + # When a client thread receives a "registration done" confirmation + # from the session daemon it's connected to, it puts True in + # reg_queue. + while True: + try: + dbg._pdebug('waiting for registration done (expecting {}, timeout is {} s)'.format(reg_expecting, + cur_timeout)) + t1 = time.clock() + reg_queue.get(timeout=cur_timeout) + t2 = time.clock() + reg_expecting -= 1 + dbg._pdebug('unblocked') + + if reg_expecting == 0: + # done! + dbg._pdebug('successfully registered to session daemon(s)') + break + + cur_timeout -= (t2 - t1) + + if cur_timeout <= 0: + # timeout + dbg._pdebug('ran out of time') + break + except queue.Empty: + dbg._pdebug('ran out of time') + break + + dbg._pdebug('leaving') + + +_init_threads() diff --git a/python-lttngust/lttngust/cmd.py b/python-lttngust/lttngust/cmd.py new file mode 100644 index 0000000..b6d8446 --- /dev/null +++ b/python-lttngust/lttngust/cmd.py @@ -0,0 +1,197 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2015 - Philippe Proulx +# Copyright (C) 2014 - David Goulet +# Copyright (C) 2015 - Jérémie Galarneau +# +# This library is free software; you can redistribute it and/or modify it under +# the terms of the GNU Lesser General Public License as published by the Free +# Software Foundation; version 2.1 of the License. +# +# This library is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more +# details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +from __future__ import unicode_literals +import lttngust.debug as dbg +import struct + + +# server command header +_server_cmd_header_struct = struct.Struct('>QII') + + +# server command header size +_SERVER_CMD_HEADER_SIZE = _server_cmd_header_struct.size + + +# agent protocol symbol size +_LTTNG_SYMBOL_NAME_LEN = 256 + + +class _ServerCmdHeader(object): + def __init__(self, data_size, cmd_id, cmd_version): + self.data_size = data_size + self.cmd_id = cmd_id + self.cmd_version = cmd_version + + +def _server_cmd_header_from_data(data): + try: + data_size, cmd_id, cmd_version = _server_cmd_header_struct.unpack(data) + except (Exception) as e: + dbg._pdebug('cannot decode command header: {}'.format(e)) + return None + + return _ServerCmdHeader(data_size, cmd_id, cmd_version) + + +class _ServerCmd(object): + def __init__(self, header): + self.header = header + + @classmethod + def from_data(cls, header, data): + raise NotImplementedError() + + +class _ServerCmdList(_ServerCmd): + @classmethod + def from_data(cls, header, data): + return cls(header) + + +class _ServerCmdEnable(_ServerCmd): + _NAME_OFFSET = 8 + _loglevel_struct = struct.Struct('>II') + # filter expression size + _filter_exp_len_struct = struct.Struct('>I') + + def __init__(self, header, loglevel, loglevel_type, name, filter_exp): + super(self.__class__, self).__init__(header) + self.loglevel = loglevel + self.loglevel_type = loglevel_type + self.name = name + self.filter_expression = filter_exp + dbg._pdebug('server enable command {}'.format(self.__dict__)) + + @classmethod + def from_data(cls, header, data): + try: + loglevel, loglevel_type = cls._loglevel_struct.unpack_from(data) + name_start = cls._loglevel_struct.size + name_end = name_start + _LTTNG_SYMBOL_NAME_LEN + data_name = data[name_start:name_end] + name = data_name.rstrip(b'\0').decode() + + filter_exp_start = name_end + cls._filter_exp_len_struct.size + filter_exp_len, = cls._filter_exp_len_struct.unpack_from( + data[name_end:filter_exp_start]) + filter_exp_end = filter_exp_start + filter_exp_len + + filter_exp = data[filter_exp_start:filter_exp_end].rstrip( + b'\0').decode() + + return cls(header, loglevel, loglevel_type, name, filter_exp) + except (Exception) as e: + dbg._pdebug('cannot decode enable command: {}'.format(e)) + return None + + +class _ServerCmdDisable(_ServerCmd): + def __init__(self, header, name): + super(self.__class__, self).__init__(header) + self.name = name + + @classmethod + def from_data(cls, header, data): + try: + name = data.rstrip(b'\0').decode() + + return cls(header, name) + except (Exception) as e: + dbg._pdebug('cannot decode disable command: {}'.format(e)) + return None + + +class _ServerCmdRegistrationDone(_ServerCmd): + @classmethod + def from_data(cls, header, data): + return cls(header) + + +_SERVER_CMD_ID_TO_SERVER_CMD = { + 1: _ServerCmdList, + 2: _ServerCmdEnable, + 3: _ServerCmdDisable, + 4: _ServerCmdRegistrationDone, +} + + +def _server_cmd_from_data(header, data): + if header.cmd_id not in _SERVER_CMD_ID_TO_SERVER_CMD: + return None + + return _SERVER_CMD_ID_TO_SERVER_CMD[header.cmd_id].from_data(header, data) + + +_CLIENT_CMD_REPLY_STATUS_SUCCESS = 1 +_CLIENT_CMD_REPLY_STATUS_INVALID_CMD = 2 + + +class _ClientCmdReplyHeader(object): + _payload_struct = struct.Struct('>I') + + def __init__(self, status_code=_CLIENT_CMD_REPLY_STATUS_SUCCESS): + self.status_code = status_code + + def get_data(self): + return self._payload_struct.pack(self.status_code) + + +class _ClientCmdReplyEnable(_ClientCmdReplyHeader): + pass + + +class _ClientCmdReplyDisable(_ClientCmdReplyHeader): + pass + + +class _ClientCmdReplyList(_ClientCmdReplyHeader): + _nb_events_struct = struct.Struct('>I') + _data_size_struct = struct.Struct('>I') + + def __init__(self, names, status_code=_CLIENT_CMD_REPLY_STATUS_SUCCESS): + super(self.__class__, self).__init__(status_code) + self.names = names + + def get_data(self): + upper_data = super(self.__class__, self).get_data() + nb_events_data = self._nb_events_struct.pack(len(self.names)) + names_data = bytes() + + for name in self.names: + names_data += name.encode() + b'\0' + + data_size_data = self._data_size_struct.pack(len(names_data)) + + return upper_data + data_size_data + nb_events_data + names_data + + +class _ClientRegisterCmd(object): + _payload_struct = struct.Struct('>IIII') + + def __init__(self, domain, pid, major, minor): + self.domain = domain + self.pid = pid + self.major = major + self.minor = minor + + def get_data(self): + return self._payload_struct.pack(self.domain, self.pid, self.major, + self.minor) diff --git a/python-lttngust/lttngust/debug.py b/python-lttngust/lttngust/debug.py new file mode 100644 index 0000000..6f0e81b --- /dev/null +++ b/python-lttngust/lttngust/debug.py @@ -0,0 +1,46 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2015 - Philippe Proulx +# +# This library is free software; you can redistribute it and/or modify it under +# the terms of the GNU Lesser General Public License as published by the Free +# Software Foundation; version 2.1 of the License. +# +# This library is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more +# details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +from __future__ import unicode_literals, print_function +import time +import sys +import os + + +_ENABLE_DEBUG = os.getenv('LTTNG_UST_PYTHON_DEBUG', '0') == '1' + + +if _ENABLE_DEBUG: + import inspect + + def _pwarning(msg): + fname = inspect.stack()[1][3] + fmt = '[{:.6f}] LTTng-UST warning: {}(): {}' + print(fmt.format(time.clock(), fname, msg), file=sys.stderr) + + def _pdebug(msg): + fname = inspect.stack()[1][3] + fmt = '[{:.6f}] LTTng-UST debug: {}(): {}' + print(fmt.format(time.clock(), fname, msg), file=sys.stderr) + + _pdebug('debug is enabled') +else: + def _pwarning(msg): + pass + + def _pdebug(msg): + pass diff --git a/python-lttngust/lttngust/loghandler.py b/python-lttngust/lttngust/loghandler.py new file mode 100644 index 0000000..e82cf5c --- /dev/null +++ b/python-lttngust/lttngust/loghandler.py @@ -0,0 +1,41 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2015 - Philippe Proulx +# Copyright (C) 2014 - David Goulet +# +# This library is free software; you can redistribute it and/or modify it under +# the terms of the GNU Lesser General Public License as published by the Free +# Software Foundation; version 2.1 of the License. +# +# This library is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more +# details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +from __future__ import unicode_literals +import logging +import ctypes + + +class _Handler(logging.Handler): + _LIB_NAME = 'liblttng-ust-python-agent.so' + + def __init__(self): + super(self.__class__, self).__init__(level=logging.NOTSET) + self.setFormatter(logging.Formatter('%(asctime)s')) + + # will raise if library is not found: caller should catch + self.agent_lib = ctypes.cdll.LoadLibrary(_Handler._LIB_NAME) + + def emit(self, record): + self.agent_lib.py_tracepoint(self.format(record).encode(), + record.getMessage().encode(), + record.name.encode(), + record.funcName.encode(), + record.lineno, record.levelno, + record.thread, + record.threadName.encode()) diff --git a/python-lttngust/setup.py.in b/python-lttngust/setup.py.in new file mode 100644 index 0000000..370fd61 --- /dev/null +++ b/python-lttngust/setup.py.in @@ -0,0 +1,36 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2015 - Jonathan Rajotte +# +# This library is free software; you can redistribute it and/or modify it under +# the terms of the GNU Lesser General Public License as published by the Free +# Software Foundation; version 2.1 of the License. +# +# This library is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more +# details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +from distutils.core import setup, Extension + + +setup(name='lttngust', + version='@PACKAGE_VERSION@', + description='LTTng-UST Python agent', + packages=['lttngust'], + package_dir={'lttngust': 'lttngust'}, + options={'build': {'build_base': 'build'}}, + url='http://lttng.org', + license='LGPL-2.1', + classifiers=[ + 'Development Status :: 5 - Production/Stable', + 'Intended Audience :: Developers', + 'License :: OSI Approved :: GNU Lesser General Public License v2 (LGPLv2)', + 'Programming Language :: Python :: 2.7', + 'Programming Language :: Python :: 3' + 'Topic :: System :: Logging', + ]) diff --git a/snprintf/Makefile.am b/snprintf/Makefile.am new file mode 100644 index 0000000..a32ed4f --- /dev/null +++ b/snprintf/Makefile.am @@ -0,0 +1,22 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/libustcomm +AM_CFLAGS = -fno-strict-aliasing + +noinst_LTLIBRARIES = libustsnprintf.la +libustsnprintf_la_SOURCES = \ + fflush.c \ + fileext.h \ + floatio.h \ + fvwrite.c \ + fvwrite.h \ + local.h \ + mbrtowc_sb.c \ + snprintf.c \ + various.h \ + vfprintf.c \ + wcio.h \ + wsetup.c \ + core.c \ + patient_write.c + +libustsnprintf_la_LDFLAGS = -no-undefined -static +libustsnprintf_la_CFLAGS = -DUST_COMPONENT="lttng_ust_snprintf" -fPIC -fno-strict-aliasing diff --git a/snprintf/Makefile.in b/snprintf/Makefile.in new file mode 100644 index 0000000..041bee7 --- /dev/null +++ b/snprintf/Makefile.in @@ -0,0 +1,714 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +VPATH = @srcdir@ +am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)' +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; \ + else \ + case $$MAKEFLAGS in \ + *\\[\ \ ]*) \ + bs=\\; \ + sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ + | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ + esac; \ + fi; \ + skip_next=no; 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The code is +originally from the OpenBSD libc. diff --git a/snprintf/core.c b/snprintf/core.c new file mode 100644 index 0000000..966b588 --- /dev/null +++ b/snprintf/core.c @@ -0,0 +1,36 @@ +/* + * core.c + * + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; only + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +volatile enum ust_loglevel ust_loglevel; + +void init_usterr(void) +{ + char *ust_debug; + + if (ust_loglevel == UST_LOGLEVEL_UNKNOWN) { + ust_debug = getenv("LTTNG_UST_DEBUG"); + if (ust_debug) + ust_loglevel = UST_LOGLEVEL_DEBUG; + else + ust_loglevel = UST_LOGLEVEL_NORMAL; + } +} diff --git a/snprintf/fflush.c b/snprintf/fflush.c new file mode 100644 index 0000000..32cc660 --- /dev/null +++ b/snprintf/fflush.c @@ -0,0 +1,82 @@ +/* $OpenBSD: fflush.c,v 1.7 2009/10/22 01:23:16 guenther Exp $ */ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +#include +#include "local.h" + +/* Flush a single file, or (if fp is NULL) all files. */ +int ust_safe_fflush(LTTNG_UST_LFILE *fp) +{ + + if (fp == NULL) + return 0; +// return (_fwalk(__sflush)); + if ((fp->_flags & (__SWR | __SRW)) == 0) { + errno = EBADF; + return (EOF); + } + return (__sflush(fp)); +} + +int +__sflush(LTTNG_UST_LFILE *fp) +{ + unsigned char *p; + int n, t; + + t = fp->_flags; + if ((t & __SWR) == 0) + return (0); + + if ((p = fp->_bf._base) == NULL) + return (0); + + n = fp->_p - p; /* write this much */ + + /* + * Set these immediately to avoid problems with longjmp and to allow + * exchange buffering (via setvbuf) in user write function. + */ + fp->_p = p; + fp->_w = t & (__SLBF|__SNBF) ? 0 : fp->_bf._size; + + for (; n > 0; n -= t, p += t) { + t = (*fp->_write)(fp->_cookie, (char *)p, n); + if (t <= 0) { + fp->_flags |= __SERR; + return (EOF); + } + } + return (0); +} diff --git a/snprintf/fileext.h b/snprintf/fileext.h new file mode 100644 index 0000000..422cf82 --- /dev/null +++ b/snprintf/fileext.h @@ -0,0 +1,54 @@ +/* $OpenBSD: fileext.h,v 1.2 2005/06/17 20:40:32 espie Exp $ */ +/* $NetBSD: fileext.h,v 1.5 2003/07/18 21:46:41 nathanw Exp $ */ + +/*- + * Copyright (c)2001 Citrus Project, + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Citrus$ + */ + +/* + * file extension + */ +struct __lttng_ust_sfileext { + struct __lttng_ust_sbuf _ub; /* ungetc buffer */ + struct wchar_io_data _wcio; /* wide char io status */ +}; + +#define _EXT(fp) ((struct __lttng_ust_sfileext *)((fp)->_ext._base)) +#define _UB(fp) _EXT(fp)->_ub + +#define _FILEEXT_INIT(fp) \ +do { \ + _UB(fp)._base = NULL; \ + _UB(fp)._size = 0; \ + WCIO_INIT(fp); \ +} while (0) + +#define _FILEEXT_SETUP(f, fext) \ +do { \ + (f)->_ext._base = (unsigned char *)(fext); \ + _FILEEXT_INIT(f); \ +} while (0) diff --git a/snprintf/floatio.h b/snprintf/floatio.h new file mode 100644 index 0000000..9769030 --- /dev/null +++ b/snprintf/floatio.h @@ -0,0 +1,58 @@ +/* $OpenBSD: floatio.h,v 1.4 2008/09/07 20:36:08 martynas Exp $ */ + +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Floating point scanf/printf (input/output) definitions. + */ + +/* 11-bit exponent (VAX G floating point) is 308 decimal digits */ +#define MAXEXP 308 +/* 128 bit fraction takes up 39 decimal digits; max reasonable precision */ +#define MAXFRACT 39 + +/* + * MAXEXPDIG is the maximum number of decimal digits needed to store a + * floating point exponent in the largest supported format. It should + * be ceil(log10(LDBL_MAX_10_EXP)) or, if hexadecimal floating point + * conversions are supported, ceil(log10(LDBL_MAX_EXP)). But since it + * is presently never greater than 5 in practice, we fudge it. + */ +#define MAXEXPDIG 6 +#if LDBL_MAX_EXP > 999999 +#error "floating point buffers too small" +#endif + +char *__hdtoa(double, const char *, int, int *, int *, char **); +char *__hldtoa(long double, const char *, int, int *, int *, char **); +char *__ldtoa(long double *, int, int, int *, int *, char **); diff --git a/snprintf/fvwrite.c b/snprintf/fvwrite.c new file mode 100644 index 0000000..fb075f1 --- /dev/null +++ b/snprintf/fvwrite.c @@ -0,0 +1,205 @@ +/* $OpenBSD: fvwrite.c,v 1.16 2009/10/22 01:23:16 guenther Exp $ */ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +#include +#include +#include +#include "local.h" +#include "fvwrite.h" +#include "various.h" + +/* + * Write some memory regions. Return zero on success, EOF on error. + * + * This routine is large and unsightly, but most of the ugliness due + * to the three different kinds of output buffering is handled here. + */ +int +__sfvwrite(LTTNG_UST_LFILE *fp, struct __lttng_ust_suio *uio) +{ + size_t len; + char *p; + struct __lttng_ust_siov *iov; + int w, s; + char *nl; + int nlknown, nldist; + + if ((len = uio->uio_resid) == 0) + return (0); + /* make sure we can write */ + if (cantwrite(fp)) { + errno = EBADF; + return (EOF); + } + +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#define COPY(n) (void)memcpy((void *)fp->_p, (void *)p, (size_t)(n)) + + iov = uio->uio_iov; + p = iov->iov_base; + len = iov->iov_len; + iov++; +#define GETIOV(extra_work) \ + while (len == 0) { \ + extra_work; \ + p = iov->iov_base; \ + len = iov->iov_len; \ + iov++; \ + } + if (fp->_flags & __SNBF) { + /* + * Unbuffered: write up to BUFSIZ bytes at a time. + */ + do { + GETIOV(;); + w = (*fp->_write)(fp->_cookie, p, MIN(len, BUFSIZ)); + if (w <= 0) + goto err; + p += w; + len -= w; + } while ((uio->uio_resid -= w) != 0); + } else if ((fp->_flags & __SLBF) == 0) { + /* + * Fully buffered: fill partially full buffer, if any, + * and then flush. If there is no partial buffer, write + * one _bf._size byte chunk directly (without copying). + * + * String output is a special case: write as many bytes + * as fit, but pretend we wrote everything. This makes + * snprintf() return the number of bytes needed, rather + * than the number used, and avoids its write function + * (so that the write function can be invalid). + */ + do { + GETIOV(;); + if ((fp->_flags & (__SALC | __SSTR)) == + (__SALC | __SSTR) && fp->_w < len) { + size_t blen = fp->_p - fp->_bf._base; + unsigned char *_base; + int _size; + + /* Allocate space exponentially. */ + _size = fp->_bf._size; + do { + _size = (_size << 1) + 1; + } while (_size < blen + len); + _base = realloc(fp->_bf._base, _size + 1); + if (_base == NULL) + goto err; + fp->_w += _size - fp->_bf._size; + fp->_bf._base = _base; + fp->_bf._size = _size; + fp->_p = _base + blen; + } + w = fp->_w; + if (fp->_flags & __SSTR) { + if (len < w) + w = len; + COPY(w); /* copy MIN(fp->_w,len), */ + fp->_w -= w; + fp->_p += w; + w = len; /* but pretend copied all */ + } else if (fp->_p > fp->_bf._base && len > w) { + /* fill and flush */ + COPY(w); + /* fp->_w -= w; */ /* unneeded */ + fp->_p += w; + if (ust_safe_fflush(fp)) + goto err; + } else if (len >= (w = fp->_bf._size)) { + /* write directly */ + w = (*fp->_write)(fp->_cookie, p, w); + if (w <= 0) + goto err; + } else { + /* fill and done */ + w = len; + COPY(w); + fp->_w -= w; + fp->_p += w; + } + p += w; + len -= w; + } while ((uio->uio_resid -= w) != 0); + } else { + /* + * Line buffered: like fully buffered, but we + * must check for newlines. Compute the distance + * to the first newline (including the newline), + * or `infinity' if there is none, then pretend + * that the amount to write is MIN(len,nldist). + */ + nlknown = 0; + nldist = 0; /* XXX just to keep gcc happy */ + do { + GETIOV(nlknown = 0); + if (!nlknown) { + nl = memchr((void *)p, '\n', len); + nldist = nl ? nl + 1 - p : len + 1; + nlknown = 1; + } + s = MIN(len, nldist); + w = fp->_w + fp->_bf._size; + if (fp->_p > fp->_bf._base && s > w) { + COPY(w); + /* fp->_w -= w; */ + fp->_p += w; + if (ust_safe_fflush(fp)) + goto err; + } else if (s >= (w = fp->_bf._size)) { + w = (*fp->_write)(fp->_cookie, p, w); + if (w <= 0) + goto err; + } else { + w = s; + COPY(w); + fp->_w -= w; + fp->_p += w; + } + if ((nldist -= w) == 0) { + /* copied the newline: flush and forget */ + if (ust_safe_fflush(fp)) + goto err; + nlknown = 0; + } + p += w; + len -= w; + } while ((uio->uio_resid -= w) != 0); + } + return (0); + +err: + fp->_flags |= __SERR; + return (EOF); +} diff --git a/snprintf/fvwrite.h b/snprintf/fvwrite.h new file mode 100644 index 0000000..6553621 --- /dev/null +++ b/snprintf/fvwrite.h @@ -0,0 +1,48 @@ +/* $OpenBSD: fvwrite.h,v 1.5 2003/06/02 20:18:37 millert Exp $ */ + +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * I/O descriptors for __sfvwrite(). + */ +struct __lttng_ust_siov { + void *iov_base; + size_t iov_len; +}; +struct __lttng_ust_suio { + struct __lttng_ust_siov *uio_iov; + int uio_iovcnt; + int uio_resid; +}; + +extern int __sfvwrite(LTTNG_UST_LFILE *, struct __lttng_ust_suio *); diff --git a/snprintf/local.h b/snprintf/local.h new file mode 100644 index 0000000..d9251bf --- /dev/null +++ b/snprintf/local.h @@ -0,0 +1,89 @@ +/* $OpenBSD: local.h,v 1.14 2009/10/22 01:23:16 guenther Exp $ */ + +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Information local to this implementation of stdio, + * in particular, macros and private variables. + */ + +#include +#include "various.h" +#include "wcio.h" +#include "fileext.h" + +int __sflush(LTTNG_UST_LFILE *); +LTTNG_UST_LFILE *__sfp(void); +int __srefill(LTTNG_UST_LFILE *); +int __sread(void *, char *, int); +int __swrite(void *, const char *, int); +fpos_t __sseek(void *, fpos_t, int); +int __sclose(void *); +void __sinit(void); +void _cleanup(void); +void __smakebuf(LTTNG_UST_LFILE *); +int __swhatbuf(LTTNG_UST_LFILE *, size_t *, int *); +int _fwalk(int (*)(LTTNG_UST_LFILE *)); +int __swsetup(LTTNG_UST_LFILE *); +int __sflags(const char *, int *); +wint_t __fgetwc_unlock(LTTNG_UST_LFILE *); + +extern void __atexit_register_cleanup(void (*)(void)); +extern int __sdidinit; + +/* + * Return true if the given LTTNG_UST_LFILE cannot be written now. + */ +#define cantwrite(fp) \ + ((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \ + __swsetup(fp)) + +/* + * Test whether the given stdio file has an active ungetc buffer; + * release such a buffer, without restoring ordinary unread data. + */ +#define HASUB(fp) (_UB(fp)._base != NULL) +#define FREEUB(fp) { \ + if (_UB(fp)._base != (fp)->_ubuf) \ + free(_UB(fp)._base); \ + _UB(fp)._base = NULL; \ +} + +/* + * test for an fgetln() buffer. + */ +#define HASLB(fp) ((fp)->_lb._base != NULL) +#define FREELB(fp) { \ + free((char *)(fp)->_lb._base); \ + (fp)->_lb._base = NULL; \ +} diff --git a/snprintf/mbrtowc_sb.c b/snprintf/mbrtowc_sb.c new file mode 100644 index 0000000..0abecc8 --- /dev/null +++ b/snprintf/mbrtowc_sb.c @@ -0,0 +1,53 @@ +/* $OpenBSD: mbrtowc_sb.c,v 1.4 2005/11/27 20:03:06 cloder Exp $ */ +/* $NetBSD: multibyte_sb.c,v 1.4 2003/08/07 16:43:04 agc Exp $ */ + +/* + * Copyright (c) 1991 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +#include +#include + +/*ARGSUSED*/ +size_t +ust_safe_mbrtowc(wchar_t *pwc, const char *s, size_t n, mbstate_t *ps) +{ + + /* pwc may be NULL */ + /* s may be NULL */ + /* ps appears to be unused */ + + if (s == NULL) + return 0; + if (n == 0) + return (size_t)-1; + if (pwc) + *pwc = (wchar_t)(unsigned char)*s; + return (*s != '\0'); +} diff --git a/snprintf/patient_write.c b/snprintf/patient_write.c new file mode 100644 index 0000000..b6620cb --- /dev/null +++ b/snprintf/patient_write.c @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2009 Pierre-Marc Fournier + * Copyright (C) 2011 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* write() */ +#include + +/* send() */ +#include +#include + +#include + +#include + +/* + * This write is patient because it restarts if it was incomplete. + */ + +ssize_t patient_write(int fd, const void *buf, size_t count) +{ + const char *bufc = (const char *) buf; + int result; + + for(;;) { + result = write(fd, bufc, count); + if (result == -1 && errno == EINTR) { + continue; + } + if (result <= 0) { + return result; + } + count -= result; + bufc += result; + + if (count == 0) { + break; + } + } + + return bufc-(const char *)buf; +} + +ssize_t patient_send(int fd, const void *buf, size_t count, int flags) +{ + const char *bufc = (const char *) buf; + int result; + + for(;;) { + result = send(fd, bufc, count, flags); + if (result == -1 && errno == EINTR) { + continue; + } + if (result <= 0) { + return result; + } + count -= result; + bufc += result; + + if (count == 0) { + break; + } + } + + return bufc - (const char *) buf; +} diff --git a/snprintf/snprintf.c b/snprintf/snprintf.c new file mode 100644 index 0000000..a626397 --- /dev/null +++ b/snprintf/snprintf.c @@ -0,0 +1,78 @@ +/* $OpenBSD: snprintf.c,v 1.16 2009/10/22 01:23:16 guenther Exp $ */ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +#include +#include +#include +#include "local.h" +#include "ust_snprintf.h" + +#define DUMMY_LEN 1 + +int ust_safe_vsnprintf(char *str, size_t n, const char *fmt, va_list ap) +{ + int ret; + char dummy[DUMMY_LEN]; + LTTNG_UST_LFILE f; + struct __lttng_ust_sfileext fext; + + /* While snprintf(3) specifies size_t stdio uses an int internally */ + if (n > INT_MAX) + n = INT_MAX; + /* Stdio internals do not deal correctly with zero length buffer */ + if (n == 0) { + str = dummy; + n = DUMMY_LEN; + } + _FILEEXT_SETUP(&f, &fext); + f._file = -1; + f._flags = __SWR | __SSTR; + f._bf._base = f._p = (unsigned char *)str; + f._bf._size = f._w = n - 1; + ret = ust_safe_vfprintf(&f, fmt, ap); + *f._p = '\0'; + return (ret); +} + +int ust_safe_snprintf(char *str, size_t n, const char *fmt, ...) +{ + va_list ap; + int ret; + + va_start(ap, fmt); + ret = ust_safe_vsnprintf(str, n, fmt, ap); + va_end(ap); + + return ret; +} diff --git a/snprintf/various.h b/snprintf/various.h new file mode 100644 index 0000000..30bedd0 --- /dev/null +++ b/snprintf/various.h @@ -0,0 +1,125 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef UST_SNPRINTF_VARIOUS_H +#define UST_SNPRINTF_VARIOUS_H + +#include + +struct __lttng_ust_sbuf { + unsigned char *_base; + int _size; +}; + +/* + * stdio state variables. + * + * The following always hold: + * + * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR), + * _lbfsize is -_bf._size, else _lbfsize is 0 + * if _flags&__SRD, _w is 0 + * if _flags&__SWR, _r is 0 + * + * This ensures that the getc and putc macros (or inline functions) never + * try to write or read from a file that is in `read' or `write' mode. + * (Moreover, they can, and do, automatically switch from read mode to + * write mode, and back, on "r+" and "w+" files.) + * + * _lbfsize is used only to make the inline line-buffered output stream + * code as compact as possible. + * + * _ub, _up, and _ur are used when ungetc() pushes back more characters + * than fit in the current _bf, or when ungetc() pushes back a character + * that does not match the previous one in _bf. When this happens, + * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff + * _ub._base!=NULL) and _up and _ur save the current values of _p and _r. + */ +typedef struct __lttng_ust_sFILE { + unsigned char *_p; /* current position in (some) buffer */ + int _r; /* read space left for getc() */ + int _w; /* write space left for putc() */ + short _flags; /* flags, below; this FILE is free if 0 */ + short _file; /* fileno, if Unix descriptor, else -1 */ + struct __lttng_ust_sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */ + int _lbfsize; /* 0 or -_bf._size, for inline putc */ + + /* operations */ + void *_cookie; /* cookie passed to io functions */ + int (*_close)(void *); + int (*_read)(void *, char *, int); + fpos_t (*_seek)(void *, fpos_t, int); + int (*_write)(void *, const char *, int); + + /* extension data, to avoid further ABI breakage */ + struct __lttng_ust_sbuf _ext; + /* data for long sequences of ungetc() */ + unsigned char *_up; /* saved _p when _p is doing ungetc data */ + int _ur; /* saved _r when _r is counting ungetc data */ + + /* tricks to meet minimum requirements even when malloc() fails */ + unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */ + unsigned char _nbuf[1]; /* guarantee a getc() buffer */ + + /* separate buffer for fgetln() when line crosses buffer boundary */ + struct __lttng_ust_sbuf _lb; /* buffer for fgetln() */ + + /* Unix stdio files get aligned to block boundaries on fseek() */ + int _blksize; /* stat.st_blksize (may be != _bf._size) */ + fpos_t _offset; /* current lseek offset */ +} LTTNG_UST_LFILE; + +#define __SLBF 0x0001 /* line buffered */ +#define __SNBF 0x0002 /* unbuffered */ +#define __SRD 0x0004 /* OK to read */ +#define __SWR 0x0008 /* OK to write */ + /* RD and WR are never simultaneously asserted */ +#define __SRW 0x0010 /* open for reading & writing */ +#define __SEOF 0x0020 /* found EOF */ +#define __SERR 0x0040 /* found error */ +#define __SMBF 0x0080 /* _buf is from malloc */ +#define __SAPP 0x0100 /* fdopen()ed in append mode */ +#define __SSTR 0x0200 /* this is an sprintf/snprintf string */ +#define __SOPT 0x0400 /* do fseek() optimisation */ +#define __SNPT 0x0800 /* do not do fseek() optimisation */ +#define __SOFF 0x1000 /* set iff _offset is in fact correct */ +#define __SMOD 0x2000 /* true => fgetln modified _p text */ +#define __SALC 0x4000 /* allocate string space dynamically */ + +#define __sferror(p) (((p)->_flags & __SERR) != 0) + +extern int ust_safe_fflush(LTTNG_UST_LFILE *fp); +extern int ust_safe_vfprintf(LTTNG_UST_LFILE *fp, const char *fmt0, va_list ap); + +extern size_t ust_safe_mbrtowc(wchar_t *pwc, const char *s, size_t n, mbstate_t *ps); + +#endif /* UST_SNPRINTF_VARIOUS_H */ diff --git a/snprintf/vfprintf.c b/snprintf/vfprintf.c new file mode 100644 index 0000000..896a884 --- /dev/null +++ b/snprintf/vfprintf.c @@ -0,0 +1,1389 @@ +/* $OpenBSD: vfprintf.c,v 1.57 2009/10/28 21:15:02 naddy Exp $ */ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Actual printf innards. + * + * This code is large and complicated... + */ + +//#define FLOATING_POINT + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "local.h" +#include "fvwrite.h" + +union arg { + int intarg; + unsigned int uintarg; + long longarg; + unsigned long ulongarg; + long long longlongarg; + unsigned long long ulonglongarg; + ptrdiff_t ptrdiffarg; + size_t sizearg; + size_t ssizearg; + intmax_t intmaxarg; + uintmax_t uintmaxarg; + void *pvoidarg; + char *pchararg; + signed char *pschararg; + short *pshortarg; + int *pintarg; + long *plongarg; + long long *plonglongarg; + ptrdiff_t *pptrdiffarg; + ssize_t *pssizearg; + intmax_t *pintmaxarg; +#ifdef FLOATING_POINT + double doublearg; + long double longdoublearg; +#endif +}; + +static int __find_arguments(const char *fmt0, va_list ap, union arg **argtable, + size_t *argtablesiz); +static int __grow_type_table(unsigned char **typetable, int *tablesize); + +/* + * Flush out all the vectors defined by the given uio, + * then reset it so that it can be reused. + */ +static int +__sprint(LTTNG_UST_LFILE *fp, struct __lttng_ust_suio *uio) +{ + int err; + + if (uio->uio_resid == 0) { + uio->uio_iovcnt = 0; + return (0); + } + err = __sfvwrite(fp, uio); + uio->uio_resid = 0; + uio->uio_iovcnt = 0; + return (err); +} + +/* + * Helper function for `fprintf to unbuffered unix file': creates a + * temporary buffer. We only work on write-only files; this avoids + * worries about ungetc buffers and so forth. + */ +//static int +//__sbprintf(LTTNG_UST_LFILE *fp, const char *fmt, va_list ap) +//{ +// int ret; +// LTTNG_UST_LFILE fake; +// struct __sfileext fakeext; +// unsigned char buf[BUFSIZ]; +// +// _FILEEXT_SETUP(&fake, &fakeext); +// /* copy the important variables */ +// fake._flags = fp->_flags & ~__SNBF; +// fake._file = fp->_file; +// fake._cookie = fp->_cookie; +// fake._write = fp->_write; +// +// /* set up the buffer */ +// fake._bf._base = fake._p = buf; +// fake._bf._size = fake._w = sizeof(buf); +// fake._lbfsize = 0; /* not actually used, but Just In Case */ +// +// /* do the work, then copy any error status */ +// ret = ust_safe_vfprintf(&fake, fmt, ap); +// if (ret >= 0 && fflush(&fake)) +// ret = EOF; +// if (fake._flags & __SERR) +// fp->_flags |= __SERR; +// return (ret); +//} + + +#ifdef FLOATING_POINT +#include +#include +#include +#include "floatio.h" + +#define DEFPREC 6 + +extern char *__dtoa(double, int, int, int *, int *, char **); +extern void __freedtoa(char *); +static int exponent(char *, int, int); +#endif /* FLOATING_POINT */ + +/* + * The size of the buffer we use as scratch space for integer + * conversions, among other things. Technically, we would need the + * most space for base 10 conversions with thousands' grouping + * characters between each pair of digits. 100 bytes is a + * conservative overestimate even for a 128-bit uintmax_t. + */ +#define BUF 100 + +#define STATIC_ARG_TBL_SIZE 8 /* Size of static argument table. */ + + +/* + * Macros for converting digits to letters and vice versa + */ +#define to_digit(c) ((c) - '0') +#define is_digit(c) ((unsigned)to_digit(c) <= 9) +#define to_char(n) ((n) + '0') + +/* + * Flags used during conversion. + */ +#define ALT 0x0001 /* alternate form */ +#define LADJUST 0x0004 /* left adjustment */ +#define LONGDBL 0x0008 /* long double; unimplemented */ +#define LONGINT 0x0010 /* long integer */ +#define LLONGINT 0x0020 /* long long integer */ +#define SHORTINT 0x0040 /* short integer */ +#define ZEROPAD 0x0080 /* zero (as opposed to blank) pad */ +#define FPT 0x0100 /* Floating point number */ +#define PTRINT 0x0200 /* (unsigned) ptrdiff_t */ +#define SIZEINT 0x0400 /* (signed) size_t */ +#define CHARINT 0x0800 /* 8 bit integer */ +#define MAXINT 0x1000 /* largest integer size (intmax_t) */ + +int ust_safe_vfprintf(LTTNG_UST_LFILE *fp, const char *fmt0, va_list ap) +{ + char *fmt; /* format string */ + int ch; /* character from fmt */ + int n, n2; /* handy integers (short term usage) */ + char *cp; /* handy char pointer (short term usage) */ + struct __lttng_ust_siov *iovp; /* for PRINT macro */ + int flags; /* flags as above */ + int ret; /* return value accumulator */ + int width; /* width from format (%8d), or 0 */ + int prec; /* precision from format; <0 for N/A */ + char sign; /* sign prefix (' ', '+', '-', or \0) */ + wchar_t wc; + mbstate_t ps; +#ifdef FLOATING_POINT + /* + * We can decompose the printed representation of floating + * point numbers into several parts, some of which may be empty: + * + * [+|-| ] [0x|0X] MMM . NNN [e|E|p|P] [+|-] ZZ + * A B ---C--- D E F + * + * A: 'sign' holds this value if present; '\0' otherwise + * B: ox[1] holds the 'x' or 'X'; '\0' if not hexadecimal + * C: cp points to the string MMMNNN. Leading and trailing + * zeros are not in the string and must be added. + * D: expchar holds this character; '\0' if no exponent, e.g. %f + * F: at least two digits for decimal, at least one digit for hex + */ + char *decimal_point = localeconv()->decimal_point; + int signflag; /* true if float is negative */ + union { /* floating point arguments %[aAeEfFgG] */ + double dbl; + long double ldbl; + } fparg; + int expt; /* integer value of exponent */ + char expchar; /* exponent character: [eEpP\0] */ + char *dtoaend; /* pointer to end of converted digits */ + int expsize; /* character count for expstr */ + int lead; /* sig figs before decimal or group sep */ + int ndig; /* actual number of digits returned by dtoa */ + char expstr[MAXEXPDIG+2]; /* buffer for exponent string: e+ZZZ */ + char *dtoaresult = NULL; +#endif + + uintmax_t _umax; /* integer arguments %[diouxX] */ + enum { OCT, DEC, HEX } base; /* base for %[diouxX] conversion */ + int dprec; /* a copy of prec if %[diouxX], 0 otherwise */ + int realsz; /* field size expanded by dprec */ + int size; /* size of converted field or string */ + const char *xdigs = NULL; /* digits for %[xX] conversion */ +#define NIOV 8 + struct __lttng_ust_suio uio; /* output information: summary */ + struct __lttng_ust_siov iov[NIOV];/* ... and individual io vectors */ + char buf[BUF]; /* buffer with space for digits of uintmax_t */ + char ox[2]; /* space for 0x; ox[1] is either x, X, or \0 */ + union arg *argtable; /* args, built due to positional arg */ + union arg statargtable[STATIC_ARG_TBL_SIZE]; + size_t argtablesiz; + int nextarg; /* 1-based argument index */ + va_list orgap; /* original argument pointer */ + + /* + * Choose PADSIZE to trade efficiency vs. size. If larger printf + * fields occur frequently, increase PADSIZE and make the initialisers + * below longer. + */ +#define PADSIZE 16 /* pad chunk size */ + static char blanks[PADSIZE] = + {' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' '}; + static char zeroes[PADSIZE] = + {'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'}; + + static const char xdigs_lower[16] = "0123456789abcdef"; + static const char xdigs_upper[16] = "0123456789ABCDEF"; + + /* + * BEWARE, these `goto error' on error, and PAD uses `n'. + */ +#define PRINT(ptr, len) do { \ + iovp->iov_base = (ptr); \ + iovp->iov_len = (len); \ + uio.uio_resid += (len); \ + iovp++; \ + if (++uio.uio_iovcnt >= NIOV) { \ + if (__sprint(fp, &uio)) \ + goto error; \ + iovp = iov; \ + } \ +} while (0) +#define PAD(howmany, with) do { \ + if ((n = (howmany)) > 0) { \ + while (n > PADSIZE) { \ + PRINT(with, PADSIZE); \ + n -= PADSIZE; \ + } \ + PRINT(with, n); \ + } \ +} while (0) +#define PRINTANDPAD(p, ep, len, with) do { \ + n2 = (ep) - (p); \ + if (n2 > (len)) \ + n2 = (len); \ + if (n2 > 0) \ + PRINT((p), n2); \ + PAD((len) - (n2 > 0 ? n2 : 0), (with)); \ +} while(0) +#define FLUSH() do { \ + if (uio.uio_resid && __sprint(fp, &uio)) \ + goto error; \ + uio.uio_iovcnt = 0; \ + iovp = iov; \ +} while (0) + + /* + * To extend shorts properly, we need both signed and unsigned + * argument extraction methods. + */ +#define SARG() \ + ((intmax_t)(flags&MAXINT ? GETARG(intmax_t) : \ + flags&LLONGINT ? GETARG(long long) : \ + flags&LONGINT ? GETARG(long) : \ + flags&PTRINT ? GETARG(ptrdiff_t) : \ + flags&SIZEINT ? GETARG(ssize_t) : \ + flags&SHORTINT ? (short)GETARG(int) : \ + flags&CHARINT ? (__signed char)GETARG(int) : \ + GETARG(int))) +#define UARG() \ + ((uintmax_t)(flags&MAXINT ? GETARG(uintmax_t) : \ + flags&LLONGINT ? GETARG(unsigned long long) : \ + flags&LONGINT ? GETARG(unsigned long) : \ + flags&PTRINT ? (uintptr_t)GETARG(ptrdiff_t) : /* XXX */ \ + flags&SIZEINT ? GETARG(size_t) : \ + flags&SHORTINT ? (unsigned short)GETARG(int) : \ + flags&CHARINT ? (unsigned char)GETARG(int) : \ + GETARG(unsigned int))) + + /* + * Append a digit to a value and check for overflow. + */ +#define APPEND_DIGIT(val, dig) do { \ + if ((val) > INT_MAX / 10) \ + goto overflow; \ + (val) *= 10; \ + if ((val) > INT_MAX - to_digit((dig))) \ + goto overflow; \ + (val) += to_digit((dig)); \ +} while (0) + + /* + * Get * arguments, including the form *nn$. Preserve the nextarg + * that the argument can be gotten once the type is determined. + */ +#define GETASTER(val) \ + n2 = 0; \ + cp = fmt; \ + while (is_digit(*cp)) { \ + APPEND_DIGIT(n2, *cp); \ + cp++; \ + } \ + if (*cp == '$') { \ + int hold = nextarg; \ + if (argtable == NULL) { \ + argtable = statargtable; \ + __find_arguments(fmt0, orgap, &argtable, &argtablesiz); \ + } \ + nextarg = n2; \ + val = GETARG(int); \ + nextarg = hold; \ + fmt = ++cp; \ + } else { \ + val = GETARG(int); \ + } + +/* +* Get the argument indexed by nextarg. If the argument table is +* built, use it to get the argument. If its not, get the next +* argument (and arguments must be gotten sequentially). +*/ +#define GETARG(type) \ + ((argtable != NULL) ? *((type*)(&argtable[nextarg++])) : \ + (nextarg++, va_arg(ap, type))) + + _SET_ORIENTATION(fp, -1); + /* sorry, fprintf(read_only_file, "") returns EOF, not 0 */ + if (cantwrite(fp)) { + errno = EBADF; + return (EOF); + } + + /* optimise fprintf(stderr) (and other unbuffered Unix files) */ +// if ((fp->_flags & (__SNBF|__SWR|__SRW)) == (__SNBF|__SWR) && +// fp->_file >= 0) +// return (__sbprintf(fp, fmt0, ap)); + + fmt = (char *)fmt0; + argtable = NULL; + nextarg = 1; + va_copy(orgap, ap); + uio.uio_iov = iovp = iov; + uio.uio_resid = 0; + uio.uio_iovcnt = 0; + ret = 0; + + memset(&ps, 0, sizeof(ps)); + /* + * Scan the format for conversions (`%' character). + */ + for (;;) { + cp = fmt; + while ((n = ust_safe_mbrtowc(&wc, fmt, MB_CUR_MAX, &ps)) > 0) { + fmt += n; + if (wc == '%') { + fmt--; + break; + } + } + if (fmt != cp) { + ptrdiff_t m = fmt - cp; + if (m < 0 || m > INT_MAX - ret) + goto overflow; + PRINT(cp, m); + ret += m; + } + if (n <= 0) + goto done; + fmt++; /* skip over '%' */ + + flags = 0; + dprec = 0; + width = 0; + prec = -1; + sign = '\0'; + ox[1] = '\0'; + +rflag: ch = *fmt++; +reswitch: switch (ch) { + case ' ': + /* + * ``If the space and + flags both appear, the space + * flag will be ignored.'' + * -- ANSI X3J11 + */ + if (!sign) + sign = ' '; + goto rflag; + case '#': + flags |= ALT; + goto rflag; + case '\'': + /* grouping not implemented */ + goto rflag; + case '*': + /* + * ``A negative field width argument is taken as a + * - flag followed by a positive field width.'' + * -- ANSI X3J11 + * They don't exclude field widths read from args. + */ + GETASTER(width); + if (width >= 0) + goto rflag; + if (width == INT_MIN) + goto overflow; + width = -width; + /* FALLTHROUGH */ + case '-': + flags |= LADJUST; + goto rflag; + case '+': + sign = '+'; + goto rflag; + case '.': + if ((ch = *fmt++) == '*') { + GETASTER(n); + prec = n < 0 ? -1 : n; + goto rflag; + } + n = 0; + while (is_digit(ch)) { + APPEND_DIGIT(n, ch); + ch = *fmt++; + } + if (ch == '$') { + nextarg = n; + if (argtable == NULL) { + argtable = statargtable; + __find_arguments(fmt0, orgap, + &argtable, &argtablesiz); + } + goto rflag; + } + prec = n; + goto reswitch; + case '0': + /* + * ``Note that 0 is taken as a flag, not as the + * beginning of a field width.'' + * -- ANSI X3J11 + */ + flags |= ZEROPAD; + goto rflag; + case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + n = 0; + do { + APPEND_DIGIT(n, ch); + ch = *fmt++; + } while (is_digit(ch)); + if (ch == '$') { + nextarg = n; + if (argtable == NULL) { + argtable = statargtable; + __find_arguments(fmt0, orgap, + &argtable, &argtablesiz); + } + goto rflag; + } + width = n; + goto reswitch; +#ifdef FLOATING_POINT + case 'L': + flags |= LONGDBL; + goto rflag; +#endif + case 'h': + if (*fmt == 'h') { + fmt++; + flags |= CHARINT; + } else { + flags |= SHORTINT; + } + goto rflag; + case 'j': + flags |= MAXINT; + goto rflag; + case 'l': + if (*fmt == 'l') { + fmt++; + flags |= LLONGINT; + } else { + flags |= LONGINT; + } + goto rflag; + case 'q': + flags |= LLONGINT; + goto rflag; + case 't': + flags |= PTRINT; + goto rflag; + case 'z': + flags |= SIZEINT; + goto rflag; + case 'c': + *(cp = buf) = GETARG(int); + size = 1; + sign = '\0'; + break; + case 'D': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'd': + case 'i': + _umax = SARG(); + if ((intmax_t)_umax < 0) { + _umax = -_umax; + sign = '-'; + } + base = DEC; + goto number; +#ifdef FLOATING_POINT + case 'a': + case 'A': + if (ch == 'a') { + ox[1] = 'x'; + xdigs = xdigs_lower; + expchar = 'p'; + } else { + ox[1] = 'X'; + xdigs = xdigs_upper; + expchar = 'P'; + } + if (prec >= 0) + prec++; + if (dtoaresult) + __freedtoa(dtoaresult); + if (flags & LONGDBL) { + fparg.ldbl = GETARG(long double); + dtoaresult = cp = + __hldtoa(fparg.ldbl, xdigs, prec, + &expt, &signflag, &dtoaend); + if (dtoaresult == NULL) { + errno = ENOMEM; + goto error; + } + } else { + fparg.dbl = GETARG(double); + dtoaresult = cp = + __hdtoa(fparg.dbl, xdigs, prec, + &expt, &signflag, &dtoaend); + if (dtoaresult == NULL) { + errno = ENOMEM; + goto error; + } + } + if (prec < 0) + prec = dtoaend - cp; + if (expt == INT_MAX) + ox[1] = '\0'; + goto fp_common; + case 'e': + case 'E': + expchar = ch; + if (prec < 0) /* account for digit before decpt */ + prec = DEFPREC + 1; + else + prec++; + goto fp_begin; + case 'f': + case 'F': + expchar = '\0'; + goto fp_begin; + case 'g': + case 'G': + expchar = ch - ('g' - 'e'); + if (prec == 0) + prec = 1; +fp_begin: + if (prec < 0) + prec = DEFPREC; + if (dtoaresult) + __freedtoa(dtoaresult); + if (flags & LONGDBL) { + fparg.ldbl = GETARG(long double); + dtoaresult = cp = + __ldtoa(&fparg.ldbl, expchar ? 2 : 3, prec, + &expt, &signflag, &dtoaend); + if (dtoaresult == NULL) { + errno = ENOMEM; + goto error; + } + } else { + fparg.dbl = GETARG(double); + dtoaresult = cp = + __dtoa(fparg.dbl, expchar ? 2 : 3, prec, + &expt, &signflag, &dtoaend); + if (dtoaresult == NULL) { + errno = ENOMEM; + goto error; + } + if (expt == 9999) + expt = INT_MAX; + } +fp_common: + if (signflag) + sign = '-'; + if (expt == INT_MAX) { /* inf or nan */ + if (*cp == 'N') { + cp = (ch >= 'a') ? "nan" : "NAN"; + sign = '\0'; + } else + cp = (ch >= 'a') ? "inf" : "INF"; + size = 3; + flags &= ~ZEROPAD; + break; + } + flags |= FPT; + ndig = dtoaend - cp; + if (ch == 'g' || ch == 'G') { + if (expt > -4 && expt <= prec) { + /* Make %[gG] smell like %[fF] */ + expchar = '\0'; + if (flags & ALT) + prec -= expt; + else + prec = ndig - expt; + if (prec < 0) + prec = 0; + } else { + /* + * Make %[gG] smell like %[eE], but + * trim trailing zeroes if no # flag. + */ + if (!(flags & ALT)) + prec = ndig; + } + } + if (expchar) { + expsize = exponent(expstr, expt - 1, expchar); + size = expsize + prec; + if (prec > 1 || flags & ALT) + ++size; + } else { + /* space for digits before decimal point */ + if (expt > 0) + size = expt; + else /* "0" */ + size = 1; + /* space for decimal pt and following digits */ + if (prec || flags & ALT) + size += prec + 1; + lead = expt; + } + break; +#endif /* FLOATING_POINT */ + case 'n': + if (flags & LLONGINT) + *GETARG(long long *) = ret; + else if (flags & LONGINT) + *GETARG(long *) = ret; + else if (flags & SHORTINT) + *GETARG(short *) = ret; + else if (flags & CHARINT) + *GETARG(__signed char *) = ret; + else if (flags & PTRINT) + *GETARG(ptrdiff_t *) = ret; + else if (flags & SIZEINT) + *GETARG(ssize_t *) = ret; + else if (flags & MAXINT) + *GETARG(intmax_t *) = ret; + else + *GETARG(int *) = ret; + continue; /* no output */ + case 'O': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'o': + _umax = UARG(); + base = OCT; + goto nosign; + case 'p': + /* + * ``The argument shall be a pointer to void. The + * value of the pointer is converted to a sequence + * of printable characters, in an implementation- + * defined manner.'' + * -- ANSI X3J11 + */ + /* NOSTRICT */ + _umax = (u_long)GETARG(void *); + base = HEX; + xdigs = xdigs_lower; + ox[1] = 'x'; + goto nosign; + case 's': + if ((cp = GETARG(char *)) == NULL) + cp = "(null)"; + if (prec >= 0) { + /* + * can't use strlen; can only look for the + * NUL in the first `prec' characters, and + * strlen() will go further. + */ + char *p = memchr(cp, 0, prec); + + size = p ? (p - cp) : prec; + } else { + size_t len; + + if ((len = strlen(cp)) > INT_MAX) + goto overflow; + size = (int)len; + } + sign = '\0'; + break; + case 'U': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'u': + _umax = UARG(); + base = DEC; + goto nosign; + case 'X': + xdigs = xdigs_upper; + goto hex; + case 'x': + xdigs = xdigs_lower; +hex: _umax = UARG(); + base = HEX; + /* leading 0x/X only if non-zero */ + if (flags & ALT && _umax != 0) + ox[1] = ch; + + /* unsigned conversions */ +nosign: sign = '\0'; + /* + * ``... diouXx conversions ... if a precision is + * specified, the 0 flag will be ignored.'' + * -- ANSI X3J11 + */ +number: if ((dprec = prec) >= 0) + flags &= ~ZEROPAD; + + /* + * ``The result of converting a zero value with an + * explicit precision of zero is no characters.'' + * -- ANSI X3J11 + */ + cp = buf + BUF; + if (_umax != 0 || prec != 0) { + /* + * Unsigned mod is hard, and unsigned mod + * by a constant is easier than that by + * a variable; hence this switch. + */ + switch (base) { + case OCT: + do { + *--cp = to_char(_umax & 7); + _umax >>= 3; + } while (_umax); + /* handle octal leading 0 */ + if (flags & ALT && *cp != '0') + *--cp = '0'; + break; + + case DEC: + /* many numbers are 1 digit */ + while (_umax >= 10) { + *--cp = to_char(_umax % 10); + _umax /= 10; + } + *--cp = to_char(_umax); + break; + + case HEX: + do { + *--cp = xdigs[_umax & 15]; + _umax >>= 4; + } while (_umax); + break; + + default: + cp = "bug in ust_safe_vfprintf: bad base"; + size = strlen(cp); + goto skipsize; + } + } + size = buf + BUF - cp; + if (size > BUF) /* should never happen */ + abort(); + skipsize: + break; + default: /* "%?" prints ?, unless ? is NUL */ + if (ch == '\0') + goto done; + /* pretend it was %c with argument ch */ + cp = buf; + *cp = ch; + size = 1; + sign = '\0'; + break; + } + + /* + * All reasonable formats wind up here. At this point, `cp' + * points to a string which (if not flags&LADJUST) should be + * padded out to `width' places. If flags&ZEROPAD, it should + * first be prefixed by any sign or other prefix; otherwise, + * it should be blank padded before the prefix is emitted. + * After any left-hand padding and prefixing, emit zeroes + * required by a decimal %[diouxX] precision, then print the + * string proper, then emit zeroes required by any leftover + * floating precision; finally, if LADJUST, pad with blanks. + * + * Compute actual size, so we know how much to pad. + * size excludes decimal prec; realsz includes it. + */ + realsz = dprec > size ? dprec : size; + if (sign) + realsz++; + if (ox[1]) + realsz+= 2; + + /* right-adjusting blank padding */ + if ((flags & (LADJUST|ZEROPAD)) == 0) + PAD(width - realsz, blanks); + + /* prefix */ + if (sign) + PRINT(&sign, 1); + if (ox[1]) { /* ox[1] is either x, X, or \0 */ + ox[0] = '0'; + PRINT(ox, 2); + } + + /* right-adjusting zero padding */ + if ((flags & (LADJUST|ZEROPAD)) == ZEROPAD) + PAD(width - realsz, zeroes); + + /* leading zeroes from decimal precision */ + PAD(dprec - size, zeroes); + + /* the string or number proper */ +#ifdef FLOATING_POINT + if ((flags & FPT) == 0) { + PRINT(cp, size); + } else { /* glue together f_p fragments */ + if (!expchar) { /* %[fF] or sufficiently short %[gG] */ + if (expt <= 0) { + PRINT(zeroes, 1); + if (prec || flags & ALT) + PRINT(decimal_point, 1); + PAD(-expt, zeroes); + /* already handled initial 0's */ + prec += expt; + } else { + PRINTANDPAD(cp, dtoaend, lead, zeroes); + cp += lead; + if (prec || flags & ALT) + PRINT(decimal_point, 1); + } + PRINTANDPAD(cp, dtoaend, prec, zeroes); + } else { /* %[eE] or sufficiently long %[gG] */ + if (prec > 1 || flags & ALT) { + buf[0] = *cp++; + buf[1] = *decimal_point; + PRINT(buf, 2); + PRINT(cp, ndig-1); + PAD(prec - ndig, zeroes); + } else { /* XeYYY */ + PRINT(cp, 1); + } + PRINT(expstr, expsize); + } + } +#else + PRINT(cp, size); +#endif + /* left-adjusting padding (always blank) */ + if (flags & LADJUST) + PAD(width - realsz, blanks); + + /* finally, adjust ret */ + if (width < realsz) + width = realsz; + if (width > INT_MAX - ret) + goto overflow; + ret += width; + + FLUSH(); /* copy out the I/O vectors */ + } +done: + FLUSH(); +error: + if (__sferror(fp)) + ret = -1; + goto finish; + +overflow: + errno = ENOMEM; + ret = -1; + +finish: + va_end(orgap); +#ifdef FLOATING_POINT + if (dtoaresult) + __freedtoa(dtoaresult); +#endif + if (argtable != NULL && argtable != statargtable) { + munmap(argtable, argtablesiz); + argtable = NULL; + } + return (ret); +} + +/* + * Type ids for argument type table. + */ +#define T_UNUSED 0 +#define T_SHORT 1 +#define T_U_SHORT 2 +#define TP_SHORT 3 +#define T_INT 4 +#define T_U_INT 5 +#define TP_INT 6 +#define T_LONG 7 +#define T_U_LONG 8 +#define TP_LONG 9 +#define T_LLONG 10 +#define T_U_LLONG 11 +#define TP_LLONG 12 +#define T_DOUBLE 13 +#define T_LONG_DOUBLE 14 +#define TP_CHAR 15 +#define TP_VOID 16 +#define T_PTRINT 17 +#define TP_PTRINT 18 +#define T_SIZEINT 19 +#define T_SSIZEINT 20 +#define TP_SSIZEINT 21 +#define T_MAXINT 22 +#define T_MAXUINT 23 +#define TP_MAXINT 24 +#define T_CHAR 25 +#define T_U_CHAR 26 + +/* + * Find all arguments when a positional parameter is encountered. Returns a + * table, indexed by argument number, of pointers to each arguments. The + * initial argument table should be an array of STATIC_ARG_TBL_SIZE entries. + * It will be replaced with a mmap-ed one if it overflows (malloc cannot be + * used since we are attempting to make snprintf thread safe, and alloca is + * problematic since we have nested functions..) + */ +static int +__find_arguments(const char *fmt0, va_list ap, union arg **argtable, + size_t *argtablesiz) +{ + char *fmt; /* format string */ + int ch; /* character from fmt */ + int n, n2; /* handy integer (short term usage) */ + char *cp; /* handy char pointer (short term usage) */ + int flags; /* flags as above */ + unsigned char *typetable; /* table of types */ + unsigned char stattypetable[STATIC_ARG_TBL_SIZE]; + int tablesize; /* current size of type table */ + int tablemax; /* largest used index in table */ + int nextarg; /* 1-based argument index */ + int ret = 0; /* return value */ + wchar_t wc; + mbstate_t ps; + + /* + * Add an argument type to the table, expanding if necessary. + */ +#define ADDTYPE(type) \ + ((nextarg >= tablesize) ? \ + __grow_type_table(&typetable, &tablesize) : 0, \ + (nextarg > tablemax) ? tablemax = nextarg : 0, \ + typetable[nextarg++] = type) + +#define ADDSARG() \ + ((flags&MAXINT) ? ADDTYPE(T_MAXINT) : \ + ((flags&PTRINT) ? ADDTYPE(T_PTRINT) : \ + ((flags&SIZEINT) ? ADDTYPE(T_SSIZEINT) : \ + ((flags&LLONGINT) ? ADDTYPE(T_LLONG) : \ + ((flags&LONGINT) ? ADDTYPE(T_LONG) : \ + ((flags&SHORTINT) ? ADDTYPE(T_SHORT) : \ + ((flags&CHARINT) ? ADDTYPE(T_CHAR) : ADDTYPE(T_INT)))))))) + +#define ADDUARG() \ + ((flags&MAXINT) ? ADDTYPE(T_MAXUINT) : \ + ((flags&PTRINT) ? ADDTYPE(T_PTRINT) : \ + ((flags&SIZEINT) ? ADDTYPE(T_SIZEINT) : \ + ((flags&LLONGINT) ? ADDTYPE(T_U_LLONG) : \ + ((flags&LONGINT) ? ADDTYPE(T_U_LONG) : \ + ((flags&SHORTINT) ? ADDTYPE(T_U_SHORT) : \ + ((flags&CHARINT) ? ADDTYPE(T_U_CHAR) : ADDTYPE(T_U_INT)))))))) + + /* + * Add * arguments to the type array. + */ +#define ADDASTER() \ + n2 = 0; \ + cp = fmt; \ + while (is_digit(*cp)) { \ + APPEND_DIGIT(n2, *cp); \ + cp++; \ + } \ + if (*cp == '$') { \ + int hold = nextarg; \ + nextarg = n2; \ + ADDTYPE(T_INT); \ + nextarg = hold; \ + fmt = ++cp; \ + } else { \ + ADDTYPE(T_INT); \ + } + fmt = (char *)fmt0; + typetable = stattypetable; + tablesize = STATIC_ARG_TBL_SIZE; + tablemax = 0; + nextarg = 1; + memset(typetable, T_UNUSED, STATIC_ARG_TBL_SIZE); + memset(&ps, 0, sizeof(ps)); + + /* + * Scan the format for conversions (`%' character). + */ + for (;;) { + cp = fmt; + while ((n = ust_safe_mbrtowc(&wc, fmt, MB_CUR_MAX, &ps)) > 0) { + fmt += n; + if (wc == '%') { + fmt--; + break; + } + } + if (n <= 0) + goto done; + fmt++; /* skip over '%' */ + + flags = 0; + +rflag: ch = *fmt++; +reswitch: switch (ch) { + case ' ': + case '#': + case '\'': + goto rflag; + case '*': + ADDASTER(); + goto rflag; + case '-': + case '+': + goto rflag; + case '.': + if ((ch = *fmt++) == '*') { + ADDASTER(); + goto rflag; + } + while (is_digit(ch)) { + ch = *fmt++; + } + goto reswitch; + case '0': + goto rflag; + case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + n = 0; + do { + APPEND_DIGIT(n ,ch); + ch = *fmt++; + } while (is_digit(ch)); + if (ch == '$') { + nextarg = n; + goto rflag; + } + goto reswitch; +#ifdef FLOATING_POINT + case 'L': + flags |= LONGDBL; + goto rflag; +#endif + case 'h': + if (*fmt == 'h') { + fmt++; + flags |= CHARINT; + } else { + flags |= SHORTINT; + } + goto rflag; + case 'l': + if (*fmt == 'l') { + fmt++; + flags |= LLONGINT; + } else { + flags |= LONGINT; + } + goto rflag; + case 'q': + flags |= LLONGINT; + goto rflag; + case 't': + flags |= PTRINT; + goto rflag; + case 'z': + flags |= SIZEINT; + goto rflag; + case 'c': + ADDTYPE(T_INT); + break; + case 'D': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'd': + case 'i': + ADDSARG(); + break; +#ifdef FLOATING_POINT + case 'a': + case 'A': + case 'e': + case 'E': + case 'f': + case 'F': + case 'g': + case 'G': + if (flags & LONGDBL) + ADDTYPE(T_LONG_DOUBLE); + else + ADDTYPE(T_DOUBLE); + break; +#endif /* FLOATING_POINT */ + case 'n': + if (flags & LLONGINT) + ADDTYPE(TP_LLONG); + else if (flags & LONGINT) + ADDTYPE(TP_LONG); + else if (flags & SHORTINT) + ADDTYPE(TP_SHORT); + else if (flags & PTRINT) + ADDTYPE(TP_PTRINT); + else if (flags & SIZEINT) + ADDTYPE(TP_SSIZEINT); + else if (flags & MAXINT) + ADDTYPE(TP_MAXINT); + else + ADDTYPE(TP_INT); + continue; /* no output */ + case 'O': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'o': + ADDUARG(); + break; + case 'p': + ADDTYPE(TP_VOID); + break; + case 's': + ADDTYPE(TP_CHAR); + break; + case 'U': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'u': + case 'X': + case 'x': + ADDUARG(); + break; + default: /* "%?" prints ?, unless ? is NUL */ + if (ch == '\0') + goto done; + break; + } + } +done: + /* + * Build the argument table. + */ + if (tablemax >= STATIC_ARG_TBL_SIZE) { + *argtablesiz = sizeof(union arg) * (tablemax + 1); + *argtable = mmap(NULL, *argtablesiz, + PROT_WRITE|PROT_READ, MAP_ANON|MAP_PRIVATE, -1, 0); + if (*argtable == MAP_FAILED) + return (-1); + } + +#if 0 + /* XXX is this required? */ + (*argtable)[0].intarg = 0; +#endif + for (n = 1; n <= tablemax; n++) { + switch (typetable[n]) { + case T_UNUSED: + case T_CHAR: + case T_U_CHAR: + case T_SHORT: + case T_U_SHORT: + case T_INT: + (*argtable)[n].intarg = va_arg(ap, int); + break; + case TP_SHORT: + (*argtable)[n].pshortarg = va_arg(ap, short *); + break; + case T_U_INT: + (*argtable)[n].uintarg = va_arg(ap, unsigned int); + break; + case TP_INT: + (*argtable)[n].pintarg = va_arg(ap, int *); + break; + case T_LONG: + (*argtable)[n].longarg = va_arg(ap, long); + break; + case T_U_LONG: + (*argtable)[n].ulongarg = va_arg(ap, unsigned long); + break; + case TP_LONG: + (*argtable)[n].plongarg = va_arg(ap, long *); + break; + case T_LLONG: + (*argtable)[n].longlongarg = va_arg(ap, long long); + break; + case T_U_LLONG: + (*argtable)[n].ulonglongarg = va_arg(ap, unsigned long long); + break; + case TP_LLONG: + (*argtable)[n].plonglongarg = va_arg(ap, long long *); + break; +#ifdef FLOATING_POINT + case T_DOUBLE: + (*argtable)[n].doublearg = va_arg(ap, double); + break; + case T_LONG_DOUBLE: + (*argtable)[n].longdoublearg = va_arg(ap, long double); + break; +#endif + case TP_CHAR: + (*argtable)[n].pchararg = va_arg(ap, char *); + break; + case TP_VOID: + (*argtable)[n].pvoidarg = va_arg(ap, void *); + break; + case T_PTRINT: + (*argtable)[n].ptrdiffarg = va_arg(ap, ptrdiff_t); + break; + case TP_PTRINT: + (*argtable)[n].pptrdiffarg = va_arg(ap, ptrdiff_t *); + break; + case T_SIZEINT: + (*argtable)[n].sizearg = va_arg(ap, size_t); + break; + case T_SSIZEINT: + (*argtable)[n].ssizearg = va_arg(ap, ssize_t); + break; + case TP_SSIZEINT: + (*argtable)[n].pssizearg = va_arg(ap, ssize_t *); + break; + case TP_MAXINT: + (*argtable)[n].intmaxarg = va_arg(ap, intmax_t); + break; + } + } + goto finish; + +overflow: + errno = ENOMEM; + ret = -1; + +finish: + if (typetable != NULL && typetable != stattypetable) { + munmap(typetable, *argtablesiz); + typetable = NULL; + } + return (ret); +} + +/* + * Increase the size of the type table. + */ +static int +__grow_type_table(unsigned char **typetable, int *tablesize) +{ + unsigned char *oldtable = *typetable; + int newsize = *tablesize * 2; + + if (newsize < getpagesize()) + newsize = getpagesize(); + + if (*tablesize == STATIC_ARG_TBL_SIZE) { + *typetable = mmap(NULL, newsize, PROT_WRITE|PROT_READ, + MAP_ANON|MAP_PRIVATE, -1, 0); + if (*typetable == MAP_FAILED) + return (-1); + bcopy(oldtable, *typetable, *tablesize); + } else { + unsigned char *new = mmap(NULL, newsize, PROT_WRITE|PROT_READ, + MAP_ANON|MAP_PRIVATE, -1, 0); + if (new == MAP_FAILED) + return (-1); + memmove(new, *typetable, *tablesize); + munmap(*typetable, *tablesize); + *typetable = new; + } + memset(*typetable + *tablesize, T_UNUSED, (newsize - *tablesize)); + + *tablesize = newsize; + return (0); +} + + +#ifdef FLOATING_POINT +static int +exponent(char *p0, int exp, int fmtch) +{ + char *p, *t; + char expbuf[MAXEXPDIG]; + + p = p0; + *p++ = fmtch; + if (exp < 0) { + exp = -exp; + *p++ = '-'; + } else + *p++ = '+'; + t = expbuf + MAXEXPDIG; + if (exp > 9) { + do { + *--t = to_char(exp % 10); + } while ((exp /= 10) > 9); + *--t = to_char(exp); + for (; t < expbuf + MAXEXPDIG; *p++ = *t++) + /* nothing */; + } else { + /* + * Exponents for decimal floating point conversions + * (%[eEgG]) must be at least two characters long, + * whereas exponents for hexadecimal conversions can + * be only one character long. + */ + if (fmtch == 'e' || fmtch == 'E') + *p++ = '0'; + *p++ = to_char(exp); + } + return (p - p0); +} +#endif /* FLOATING_POINT */ diff --git a/snprintf/wcio.h b/snprintf/wcio.h new file mode 100644 index 0000000..0c955e5 --- /dev/null +++ b/snprintf/wcio.h @@ -0,0 +1,84 @@ +/* $OpenBSD: wcio.h,v 1.1 2005/06/17 20:40:32 espie Exp $ */ +/* $NetBSD: wcio.h,v 1.3 2003/01/18 11:30:00 thorpej Exp $ */ + +/*- + * Copyright (c)2001 Citrus Project, + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Citrus$ + */ + +#ifndef _WCIO_H_ +#define _WCIO_H_ + +/* minimal requirement of SUSv2 */ +#define WCIO_UNGETWC_BUFSIZE 1 + +struct wchar_io_data { + mbstate_t wcio_mbstate_in; + mbstate_t wcio_mbstate_out; + + wchar_t wcio_ungetwc_buf[WCIO_UNGETWC_BUFSIZE]; + size_t wcio_ungetwc_inbuf; + + int wcio_mode; /* orientation */ +}; + +#define WCIO_GET(fp) \ + (_EXT(fp) ? &(_EXT(fp)->_wcio) : (struct wchar_io_data *)0) + +#define WCIO_GET_NONULL(fp) \ + (&(_EXT(fp)->_wcio)) + +#define _SET_ORIENTATION(fp, mode) \ +do {\ + struct wchar_io_data *_wcio = WCIO_GET(fp); \ + if (_wcio && _wcio->wcio_mode == 0) \ + _wcio->wcio_mode = (mode);\ +} while (0) + +/* + * WCIO_FREE should be called by fclose + */ +#define WCIO_FREE(fp) \ +do {\ + struct wchar_io_data *_wcio = WCIO_GET(fp); \ + if (_wcio) { \ + _wcio->wcio_mode = 0;\ + _wcio->wcio_ungetwc_inbuf = 0;\ + } \ +} while (0) + +#define WCIO_FREEUB(fp) \ +do {\ + struct wchar_io_data *_wcio = WCIO_GET(fp); \ + if (_wcio) { \ + _wcio->wcio_ungetwc_inbuf = 0;\ + } \ +} while (0) + +#define WCIO_INIT(fp) \ + memset(WCIO_GET_NONULL(fp), 0, sizeof(struct wchar_io_data)) + +#endif /*_WCIO_H_*/ diff --git a/snprintf/wsetup.c b/snprintf/wsetup.c new file mode 100644 index 0000000..a15b8ea --- /dev/null +++ b/snprintf/wsetup.c @@ -0,0 +1,88 @@ +/* $OpenBSD: wsetup.c,v 1.7 2005/08/08 08:05:36 espie Exp $ */ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +#include +#include +#include "local.h" + +/* + * Various output routines call wsetup to be sure it is safe to write, + * because either _flags does not include __SWR, or _buf is NULL. + * _wsetup returns 0 if OK to write, nonzero otherwise. + */ +int +__swsetup(LTTNG_UST_LFILE *fp) +{ + /* make sure stdio is set up */ +// if (!__sdidinit) +// __sinit(); + + /* + * If we are not writing, we had better be reading and writing. + */ + if ((fp->_flags & __SWR) == 0) { + if ((fp->_flags & __SRW) == 0) + return (EOF); + if (fp->_flags & __SRD) { + /* clobber any ungetc data */ + if (HASUB(fp)) + FREEUB(fp); + fp->_flags &= ~(__SRD|__SEOF); + fp->_r = 0; + fp->_p = fp->_bf._base; + } + fp->_flags |= __SWR; + } + + /* + * Make a buffer if necessary, then set _w. + */ + if (fp->_bf._base == NULL) { +// if ((fp->_flags & (__SSTR | __SALC)) == __SSTR) +// return (EOF); +// __smakebuf(fp); + assert(0); + } + if (fp->_flags & __SLBF) { + /* + * It is line buffered, so make _lbfsize be -_bufsize + * for the putc() macro. We will change _lbfsize back + * to 0 whenever we turn off __SWR. + */ + fp->_w = 0; + fp->_lbfsize = -fp->_bf._size; + } else + fp->_w = fp->_flags & __SNBF ? 0 : fp->_bf._size; + return (0); +} diff --git a/tests/Makefile.am b/tests/Makefile.am new file mode 100644 index 0000000..935c754 --- /dev/null +++ b/tests/Makefile.am @@ -0,0 +1,24 @@ +SUBDIRS = utils hello same_line_tracepoint snprintf benchmark ust-elf \ + ctf-types test-app-ctx gcc-weak-hidden + +if CXX_WORKS +SUBDIRS += hello.cxx +endif + +LOG_DRIVER_FLAGS='--merge' +LOG_DRIVER = env AM_TAP_AWK='$(AWK)' $(SHELL) \ + $(top_srcdir)/config/tap-driver.sh + +TESTS = snprintf/test_snprintf \ + ust-elf/test_ust_elf \ + gcc-weak-hidden/test_gcc_weak_hidden + +check-loop: + while [ 0 ]; do \ + $(MAKE) $(AM_MAKEFLAGS) check; \ + if [ "$$?" != "0" ]; then \ + break; \ + fi \ + done + +.PHONY: check-loop diff --git a/tests/Makefile.in b/tests/Makefile.in new file mode 100644 index 0000000..266287d --- /dev/null +++ b/tests/Makefile.in @@ -0,0 +1,1063 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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./test_benchmark diff --git a/tests/benchmark/bench.c b/tests/benchmark/bench.c new file mode 100644 index 0000000..517bfb7 --- /dev/null +++ b/tests/benchmark/bench.c @@ -0,0 +1,104 @@ +/* + * bench.c + * + * LTTng Userspace Tracer (UST) - benchmark tool + * + * Copyright 2010 - Douglas Santos + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include + +#ifdef TRACING +#define TRACEPOINT_DEFINE +#include "ust_tests_benchmark.h" +#endif + +static int nr_cpus; +static unsigned long nr_events; + +void do_stuff(void) +{ + int v; + FILE *file; + + v = 1; + + file = fopen("/dev/null", "a"); + fprintf(file, "%d", v); + fclose(file); + time(NULL); + +#ifdef TRACING + tracepoint(ust_tests_benchmark, tpbench, v); +#endif + +} + + +void *function(void *arg) +{ + unsigned long i; + + for(i = 0; i < nr_events; i++) { + do_stuff(); + } + return NULL; +} + +void usage(char **argv) { + printf("Usage: %s nr_cpus nr_events\n", argv[0]); +} + + +int main(int argc, char **argv) +{ + void *retval; + int i; + + if (argc < 3) { + usage(argv); + exit(1); + } + + nr_cpus = atoi(argv[1]); + printf("using %d processor(s)\n", nr_cpus); + + nr_events = atol(argv[2]); + printf("using %ld events per cpu\n", nr_events); + + pthread_t thread[nr_cpus]; + for (i = 0; i < nr_cpus; i++) { + if (pthread_create(&thread[i], NULL, function, NULL)) { + fprintf(stderr, "thread create %d failed\n", i); + exit(1); + } + } + + for (i = 0; i < nr_cpus; i++) { + if (pthread_join(thread[i], &retval)) { + fprintf(stderr, "thread join %d failed\n", i); + exit(1); + } + } + return 0; +} diff --git a/tests/benchmark/ptime b/tests/benchmark/ptime new file mode 100755 index 0000000..419f368 --- /dev/null +++ b/tests/benchmark/ptime @@ -0,0 +1,22 @@ +#!/usr/bin/env python + +import sys +import time +import os + +def main(): + args = sys.argv[1:] + if len(args) < 1: + print("usage: %s COMMAND" % sys.argv[0]) + sys.exit(1) + + cmd = ' '.join(args) + + t1 = time.time() + os.system(cmd) + t2 = time.time() + + print(t2-t1) + +if __name__ == "__main__": + main() diff --git a/tests/benchmark/test_benchmark b/tests/benchmark/test_benchmark new file mode 100755 index 0000000..c55e302 --- /dev/null +++ b/tests/benchmark/test_benchmark @@ -0,0 +1,42 @@ +#!/bin/bash + +CURDIR=$(dirname $0)/ +TESTDIR=$CURDIR/.. +source $TESTDIR/utils/tap.sh + +plan_tests 1 + +: ${ITERS:=20} +: ${NR_EVENTS:=7000000} +: ${NR_CPUS:=1} + +: ${TIME:="./$CURDIR/ptime"} + +: ${PROG_NOTRACING:="./$CURDIR/bench1 $NR_CPUS $NR_EVENTS"} +: ${PROG_TRACING:="./$CURDIR/bench2 $NR_CPUS $NR_EVENTS"} + +CMD_NOTRACING="$TIME '$PROG_NOTRACING >/dev/null 2>&1'" +CMD_TRACING="$TIME '$PROG_TRACING >/dev/null 2>&1'" + +time_notrace=0 +for i in $(seq $ITERS); do + echo 3 >/proc/sys/vm/drop_caches + time_notrace="$time_notrace+$(sh -c "$CMD_NOTRACING")" +done + +lttng-sessiond -d --no-kernel +lttng -q create +lttng -q enable-event -u -a +lttng -q start + +time_trace=0 +for i in $(seq $ITERS); do + echo 3 >/proc/sys/vm/drop_caches + time_trace="$time_trace+$(sh -c "$CMD_TRACING")" +done + +lttng -q stop +lttng -q destroy + +pass "Trace benchmark" +diag "Average tracing overhead per event is $(echo "scale=6;( ($time_trace) - ($time_notrace) ) / $ITERS / $NR_EVENTS" | bc -l)s" diff --git a/tests/benchmark/tp.c b/tests/benchmark/tp.c new file mode 100644 index 0000000..4a5aa36 --- /dev/null +++ b/tests/benchmark/tp.c @@ -0,0 +1,26 @@ +/* + * tp.c + * + * Copyright (c) 2013 Zifei Tong + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define TRACEPOINT_CREATE_PROBES +#include "ust_tests_benchmark.h" diff --git a/tests/benchmark/ust_tests_benchmark.h b/tests/benchmark/ust_tests_benchmark.h new file mode 100644 index 0000000..f7d7864 --- /dev/null +++ b/tests/benchmark/ust_tests_benchmark.h @@ -0,0 +1,44 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER ust_tests_benchmark + +#if !defined(_TRACEPOINT_UST_TESTS_BENCHMARK_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_TESTS_BENCHMARK_H + +/* + * Copyright (C) 2013 Zifei Tong + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +TRACEPOINT_EVENT(ust_tests_benchmark, tpbench, + TP_ARGS(int, value), + TP_FIELDS( + ctf_integer(int, event, value) + ) +) + +#endif /* _TRACEPOINT_UST_TESTS_BENCHMARK_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_tests_benchmark.h" + +/* This part must be outside ifdef protection */ +#include diff --git a/tests/ctf-types/Makefile.am b/tests/ctf-types/Makefile.am new file mode 100644 index 0000000..366870e --- /dev/null +++ b/tests/ctf-types/Makefile.am @@ -0,0 +1,13 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include -Wsystem-headers + +noinst_PROGRAMS = ctf-types +ctf_types_SOURCES = ctf-types.c tp.c ust_tests_ctf_types.h +ctf_types_LDADD = $(top_builddir)/liblttng-ust/liblttng-ust.la +ctf_types_CFLAGS = -Werror=old-style-definition + +if LTTNG_UST_BUILD_WITH_LIBDL +ctf_types_LDADD += -ldl +endif +if LTTNG_UST_BUILD_WITH_LIBC_DL +ctf_types_LDADD += -lc +endif diff --git a/tests/ctf-types/Makefile.in b/tests/ctf-types/Makefile.in new file mode 100644 index 0000000..c8669a0 --- /dev/null +++ b/tests/ctf-types/Makefile.in @@ -0,0 +1,664 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +#define TRACEPOINT_DEFINE +#include "ust_tests_ctf_types.h" + +int main(int argc, char **argv) +{ + int i; + int delay = 0; + + if (argc == 2) + delay = atoi(argv[1]); + + fprintf(stderr, "Hello, World!\n"); + + sleep(delay); + + fprintf(stderr, "Tracing... "); + for (i = 0; i < 100; i++) { + tracepoint(ust_tests_ctf_types, tptest, i, i % 6, + i % 21); + } + + for (i = 0; i < 10; i++) { + tracepoint(ust_tests_ctf_types, tptest_bis, i, i % 6); + } + fprintf(stderr, " done.\n"); + return 0; +} diff --git a/tests/ctf-types/tp.c b/tests/ctf-types/tp.c new file mode 100644 index 0000000..6a33fca --- /dev/null +++ b/tests/ctf-types/tp.c @@ -0,0 +1,26 @@ +/* + * tp.c + * + * Copyright (c) 2014 Geneviève Bastien + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define TRACEPOINT_CREATE_PROBES +#include "ust_tests_ctf_types.h" diff --git a/tests/ctf-types/ust_tests_ctf_types.h b/tests/ctf-types/ust_tests_ctf_types.h new file mode 100644 index 0000000..e789cbe --- /dev/null +++ b/tests/ctf-types/ust_tests_ctf_types.h @@ -0,0 +1,83 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER ust_tests_ctf_types + +#if !defined(_TRACEPOINT_UST_TESTS_CTF_TYPES_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_TESTS_CTF_TYPES_H + +/* + * Copyright (C) 2014 Geneviève Bastien + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +TRACEPOINT_ENUM(ust_tests_ctf_types, testenum, + TP_ENUM_VALUES( + ctf_enum_value("even", 0) + ctf_enum_value("uneven", 1) + ctf_enum_range("twoto4", 2, 4) + ctf_enum_value("five\"extra\\test", 5) + ) +) + +TRACEPOINT_ENUM(ust_tests_ctf_types, testenum2, + TP_ENUM_VALUES( + ctf_enum_value("zero", 0) + ctf_enum_value("five", 5) + ctf_enum_range("ten_to_twenty", 10, 20) + ) +) + +/* + * Enumeration field is used twice to make sure the type declaration + * is entered only once in the metadata file. + */ +TRACEPOINT_EVENT(ust_tests_ctf_types, tptest, + TP_ARGS(int, anint, int, enumval, int, enumval2), + TP_FIELDS( + ctf_integer(int, intfield, anint) + ctf_enum(ust_tests_ctf_types, testenum, int, enumfield, enumval) + ctf_enum(ust_tests_ctf_types, testenum, long long, + enumfield_bis, enumval) + ctf_enum(ust_tests_ctf_types, testenum2, unsigned int, + enumfield_third, enumval2) + ) +) + +/* + * Another tracepoint using the types to make sure each type is entered + * only once in the metadata file. + */ +TRACEPOINT_EVENT(ust_tests_ctf_types, tptest_bis, + TP_ARGS(int, anint, int, enumval), + TP_FIELDS( + ctf_integer(int, intfield, anint) + ctf_enum(ust_tests_ctf_types, testenum, unsigned char, + enumfield, enumval) + ) +) + +#endif /* _TRACEPOINT_UST_TESTS_CTF_TYPES_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_tests_ctf_types.h" + +/* This part must be outside ifdef protection */ +#include diff --git a/tests/gcc-weak-hidden/Makefile.am b/tests/gcc-weak-hidden/Makefile.am new file mode 100644 index 0000000..ccd7e7d --- /dev/null +++ b/tests/gcc-weak-hidden/Makefile.am @@ -0,0 +1,17 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/tests/utils + +noinst_LTLIBRARIES = libgcc-wh.la +libgcc_wh_la_SOURCES = c.c d.c + +noinst_PROGRAMS = test-gcc-wh +test_gcc_wh_SOURCES = main.c b.c +test_gcc_wh_LDADD = $(top_builddir)/tests/utils/libtap.a \ + $(builddir)/libgcc-wh.la + +noinst_SCRIPTS = test_gcc_weak_hidden +CLEANFILES = $(noinst_SCRIPTS) +EXTRA_DIST = test_gcc_weak_hidden.in + +$(noinst_SCRIPTS): %: %.in + sed "s#@ABSTOPSRCDIR@#$(abs_top_srcdir)#g" < $< > $@ + chmod +x $@ diff --git a/tests/gcc-weak-hidden/Makefile.in b/tests/gcc-weak-hidden/Makefile.in new file mode 100644 index 0000000..49830e1 --- /dev/null +++ b/tests/gcc-weak-hidden/Makefile.in @@ -0,0 +1,662 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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+void *testptr __attribute__((weak, visibility("hidden"))); +struct { + char a[24]; +} testsym_24_bytes __attribute__((weak, visibility("hidden"))); + +void *testfct_int(void) +{ + return &testint; +} + +void *testfct_ptr(void) +{ + return &testptr; +} + +void *testfct_24_bytes(void) +{ + return &testsym_24_bytes; +} diff --git a/tests/gcc-weak-hidden/c.c b/tests/gcc-weak-hidden/c.c new file mode 100644 index 0000000..1a744e2 --- /dev/null +++ b/tests/gcc-weak-hidden/c.c @@ -0,0 +1,20 @@ +int testint __attribute__((weak, visibility("hidden"))); +void *testptr __attribute__((weak, visibility("hidden"))); +struct { + char a[24]; +} testsym_24_bytes __attribute__((weak, visibility("hidden"))); + +void *testlibfct1_int(void) +{ + return &testint; +} + +void *testlibfct1_ptr(void) +{ + return &testptr; +} + +void *testlibfct1_24_bytes(void) +{ + return &testsym_24_bytes; +} diff --git a/tests/gcc-weak-hidden/d.c b/tests/gcc-weak-hidden/d.c new file mode 100644 index 0000000..05e10b4 --- /dev/null +++ b/tests/gcc-weak-hidden/d.c @@ -0,0 +1,20 @@ +int testint __attribute__((weak, visibility("hidden"))); +void *testptr __attribute__((weak, visibility("hidden"))); +struct { + char a[24]; +} testsym_24_bytes __attribute__((weak, visibility("hidden"))); + +void *testlibfct2_int(void) +{ + return &testint; +} + +void *testlibfct2_ptr(void) +{ + return &testptr; +} + +void *testlibfct2_24_bytes(void) +{ + return &testsym_24_bytes; +} diff --git a/tests/gcc-weak-hidden/main.c b/tests/gcc-weak-hidden/main.c new file mode 100644 index 0000000..78199f5 --- /dev/null +++ b/tests/gcc-weak-hidden/main.c @@ -0,0 +1,86 @@ +/* + * Copyright (C) 2016 - Mathieu Desnoyers + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program for any + * purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is + * granted, provided the above notices are retained, and a notice that + * the code was modified is included with the above copyright notice. + */ + +#include +#include "tap.h" + +#define NUM_TESTS 2 + +int testint __attribute__((weak, visibility("hidden"))); +void *testptr __attribute__((weak, visibility("hidden"))); +struct { + char a[24]; +} testsym_24_bytes __attribute__((weak, visibility("hidden"))); + +void *testfct_int(void); +void *testfct_ptr(void); +void *testfct_24_bytes(void); + +void *testlibfct1_int(void); +void *testlibfct1_ptr(void); +void *testlibfct1_24_bytes(void); + +void *testlibfct2_int(void); +void *testlibfct2_ptr(void); +void *testlibfct2_24_bytes(void); + +enum { + MATCH_PROGRAM_INT, + MATCH_PROGRAM_PTR, + MATCH_PROGRAM_24_BYTES, + MATCH_LIB_INT, + MATCH_LIB_PTR, + MATCH_LIB_24_BYTES, + NR_MATCH, +}; + +static bool match_matrix[NR_MATCH]; + +int main() +{ + plan_tests(NUM_TESTS); + + if (testfct_int() == &testint) + match_matrix[MATCH_PROGRAM_INT] = true; + if (testfct_ptr() == &testptr) + match_matrix[MATCH_PROGRAM_PTR] = true; + if (testfct_24_bytes() == &testsym_24_bytes) + match_matrix[MATCH_PROGRAM_24_BYTES] = true; + + if (testlibfct1_int() == testlibfct2_int()) + match_matrix[MATCH_LIB_INT] = true; + if (testlibfct1_ptr() == testlibfct2_ptr()) + match_matrix[MATCH_LIB_PTR] = true; + if (testlibfct1_24_bytes() == testlibfct2_24_bytes()) + match_matrix[MATCH_LIB_24_BYTES] = true; + + diag("Address of weak symbol with hidden visibility %s between compile units within same module for main program (4 bytes integer object)", + match_matrix[MATCH_PROGRAM_INT] ? "match" : "MISMATCH"); + diag("Address of weak symbol with hidden visibility %s between compile units within same module for main program (pointer object)", + match_matrix[MATCH_PROGRAM_PTR] ? "match" : "MISMATCH"); + diag("Address of weak symbol with hidden visibility %s between compile units within same module for main program (24 bytes structure object)", + match_matrix[MATCH_PROGRAM_24_BYTES] ? "match" : "MISMATCH"); + + diag("Address of weak symbol with hidden visibility %s between compile units within same module for shared library (4 bytes integer object)", + match_matrix[MATCH_LIB_INT] ? "match" : "MISMATCH"); + diag("Address of weak symbol with hidden visibility %s between compile units within same module for shared library (pointer object)", + match_matrix[MATCH_LIB_PTR] ? "match" : "MISMATCH"); + diag("Address of weak symbol with hidden visibility %s between compile units within same module for shared library (24 bytes structure object)", + match_matrix[MATCH_LIB_24_BYTES] ? "match" : "MISMATCH"); + + ok(match_matrix[MATCH_PROGRAM_INT] == match_matrix[MATCH_PROGRAM_PTR], + "Weak-hidden behavior is the same for 4 bytes integer and pointer objects within main program"); + ok(match_matrix[MATCH_LIB_INT] == match_matrix[MATCH_LIB_PTR], + "Weak-hidden behavior is the same for 4 bytes integer and pointer objects within shared library"); + return 0; +} diff --git a/tests/gcc-weak-hidden/test_gcc_weak_hidden.in b/tests/gcc-weak-hidden/test_gcc_weak_hidden.in new file mode 100755 index 0000000..7ad101f --- /dev/null +++ b/tests/gcc-weak-hidden/test_gcc_weak_hidden.in @@ -0,0 +1,4 @@ +#!/bin/bash + +TEST_DIR=$(dirname $0) +./${TEST_DIR}/test-gcc-wh diff --git a/tests/hello.cxx/Makefile.am b/tests/hello.cxx/Makefile.am new file mode 100644 index 0000000..f8a8f46 --- /dev/null +++ b/tests/hello.cxx/Makefile.am @@ -0,0 +1,12 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include -Wsystem-headers + +noinst_PROGRAMS = hello +hello_SOURCES = hello.cpp tp-cpp.cpp ust_tests_hello.h +hello_LDADD = $(top_builddir)/liblttng-ust/liblttng-ust.la + +if LTTNG_UST_BUILD_WITH_LIBDL +hello_LDADD += -ldl +endif +if LTTNG_UST_BUILD_WITH_LIBC_DL +hello_LDADD += -lc +endif diff --git a/tests/hello.cxx/Makefile.in b/tests/hello.cxx/Makefile.in new file mode 100644 index 0000000..9e7d00b --- /dev/null +++ b/tests/hello.cxx/Makefile.in @@ -0,0 +1,649 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define TRACEPOINT_DEFINE +#include "ust_tests_hello.h" + +void inthandler(int sig) +{ + printf("in SIGUSR1 handler\n"); + tracepoint(ust_tests_hello, tptest_sighandler); +} + +int init_int_handler(void) +{ + int result; + struct sigaction act; + + memset(&act, 0, sizeof(act)); + result = sigemptyset(&act.sa_mask); + if (result == -1) { + perror("sigemptyset"); + return -1; + } + + act.sa_handler = inthandler; + act.sa_flags = SA_RESTART; + + /* Only defer ourselves. Also, try to restart interrupted + * syscalls to disturb the traced program as little as possible. + */ + result = sigaction(SIGUSR1, &act, NULL); + if (result == -1) { + perror("sigaction"); + return -1; + } + + return 0; +} + +int main(int argc, char **argv) +{ + int i, netint; + long values[] = { 1, 2, 3 }; + char text[10] = "test"; + double dbl = 2.0; + float flt = 2222.0; + int delay = 0; + + init_int_handler(); + + if (argc == 2) + delay = atoi(argv[1]); + + fprintf(stderr, "Hello, World!\n"); + + sleep(delay); + + fprintf(stderr, "Tracing... "); + for (i = 0; i < 1000000; i++) { + netint = htonl(i); + tracepoint(ust_tests_hello, tptest, i, netint, values, + text, strlen(text), dbl, flt); + //usleep(100000); + } + fprintf(stderr, " done.\n"); + return 0; +} diff --git a/tests/hello.cxx/tp-cpp.cpp b/tests/hello.cxx/tp-cpp.cpp new file mode 100644 index 0000000..a2099ab --- /dev/null +++ b/tests/hello.cxx/tp-cpp.cpp @@ -0,0 +1,26 @@ +/* + * tp.cpp + * + * Copyright (c) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define TRACEPOINT_CREATE_PROBES +#include "ust_tests_hello.h" diff --git a/tests/hello.cxx/ust_tests_hello.h b/tests/hello.cxx/ust_tests_hello.h new file mode 100644 index 0000000..e783fec --- /dev/null +++ b/tests/hello.cxx/ust_tests_hello.h @@ -0,0 +1,64 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER ust_tests_hello + +#if !defined(_TRACEPOINT_UST_TESTS_HELLO_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_TESTS_HELLO_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +TRACEPOINT_EVENT(ust_tests_hello, tptest, + TP_ARGS(int, anint, int, netint, long *, values, + char *, text, size_t, textlen, + double, doublearg, float, floatarg), + TP_FIELDS( + ctf_integer(int, intfield, anint) + ctf_integer_hex(int, intfield2, anint) + ctf_integer(long, longfield, anint) + ctf_integer_network(int, netintfield, netint) + ctf_integer_network_hex(int, netintfieldhex, netint) + ctf_array(long, arrfield1, values, 3) + ctf_array_text(char, arrfield2, text, 10) + ctf_sequence(char, seqfield1, text, + size_t, textlen) + ctf_sequence_text(char, seqfield2, text, + size_t, textlen) + ctf_string(stringfield, text) + ctf_float(float, floatfield, floatarg) + ctf_float(double, doublefield, doublearg) + ) +) + +TRACEPOINT_EVENT(ust_tests_hello, tptest_sighandler, + TP_ARGS(), + TP_FIELDS() +) + +#endif /* _TRACEPOINT_UST_TESTS_HELLO_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_tests_hello.h" + +/* This part must be outside ifdef protection */ +#include diff --git a/tests/hello/Makefile.am b/tests/hello/Makefile.am new file mode 100644 index 0000000..324c2cd --- /dev/null +++ b/tests/hello/Makefile.am @@ -0,0 +1,13 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include -Wsystem-headers + +noinst_PROGRAMS = hello +hello_SOURCES = hello.c tp.c ust_tests_hello.h +hello_LDADD = $(top_builddir)/liblttng-ust/liblttng-ust.la +hello_CFLAGS = -Werror=old-style-definition + +if LTTNG_UST_BUILD_WITH_LIBDL +hello_LDADD += -ldl +endif +if LTTNG_UST_BUILD_WITH_LIBC_DL +hello_LDADD += -lc +endif diff --git a/tests/hello/Makefile.in b/tests/hello/Makefile.in new file mode 100644 index 0000000..8c1d0a2 --- /dev/null +++ b/tests/hello/Makefile.in @@ -0,0 +1,663 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +/* + * Work-around inet.h missing struct mmsghdr forward declaration, with + * triggers a warning when system files warnings are enabled. + */ +struct mmsghdr; +#include +#include +#include + +#define TRACEPOINT_DEFINE +#include "ust_tests_hello.h" + +void inthandler(int sig) +{ + printf("in SIGUSR1 handler\n"); + tracepoint(ust_tests_hello, tptest_sighandler); +} + +int init_int_handler(void) +{ + int result; + struct sigaction act; + + memset(&act, 0, sizeof(act)); + result = sigemptyset(&act.sa_mask); + if (result == -1) { + perror("sigemptyset"); + return -1; + } + + act.sa_handler = inthandler; + act.sa_flags = SA_RESTART; + + /* Only defer ourselves. Also, try to restart interrupted + * syscalls to disturb the traced program as little as possible. + */ + result = sigaction(SIGUSR1, &act, NULL); + if (result == -1) { + perror("sigaction"); + return -1; + } + + return 0; +} + +void test_inc_count(void); + +int main(int argc, char **argv) +{ + int i, netint; + long values[] = { 1, 2, 3 }; + char text[10] = "test"; + double dbl = 2.0; + float flt = 2222.0; + int delay = 0; + bool mybool = 123; /* should print "1" */ + + init_int_handler(); + + if (argc == 2) + delay = atoi(argv[1]); + + fprintf(stderr, "Hello, World!\n"); + + sleep(delay); + + fprintf(stderr, "Tracing... "); + for (i = 0; i < 1000000; i++) { + netint = htonl(i); + tracepoint(ust_tests_hello, tptest, i, netint, values, + text, strlen(text), dbl, flt, mybool); + //usleep(100000); + } + fprintf(stderr, " done.\n"); + return 0; +} diff --git a/tests/hello/tp.c b/tests/hello/tp.c new file mode 100644 index 0000000..4790965 --- /dev/null +++ b/tests/hello/tp.c @@ -0,0 +1,26 @@ +/* + * tp.c + * + * Copyright (c) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define TRACEPOINT_CREATE_PROBES +#include "ust_tests_hello.h" diff --git a/tests/hello/ust_tests_hello.h b/tests/hello/ust_tests_hello.h new file mode 100644 index 0000000..e518b0d --- /dev/null +++ b/tests/hello/ust_tests_hello.h @@ -0,0 +1,68 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER ust_tests_hello + +#if !defined(_TRACEPOINT_UST_TESTS_HELLO_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_TESTS_HELLO_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include + +TRACEPOINT_EVENT(ust_tests_hello, tptest, + TP_ARGS(int, anint, int, netint, long *, values, + char *, text, size_t, textlen, + double, doublearg, float, floatarg, + bool, boolarg), + TP_FIELDS( + ctf_integer(int, intfield, anint) + ctf_integer_hex(int, intfield2, anint) + ctf_integer(long, longfield, anint) + ctf_integer_network(int, netintfield, netint) + ctf_integer_network_hex(int, netintfieldhex, netint) + ctf_array(long, arrfield1, values, 3) + ctf_array_text(char, arrfield2, text, 10) + ctf_sequence(char, seqfield1, text, + size_t, textlen) + ctf_sequence_text(char, seqfield2, text, + size_t, textlen) + ctf_string(stringfield, text) + ctf_float(float, floatfield, floatarg) + ctf_float(double, doublefield, doublearg) + ctf_integer(bool, boolfield, boolarg) + ctf_integer_nowrite(int, filterfield, anint) + ) +) + +TRACEPOINT_EVENT(ust_tests_hello, tptest_sighandler, + TP_ARGS(), + TP_FIELDS() +) + +#endif /* _TRACEPOINT_UST_TESTS_HELLO_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_tests_hello.h" + +/* This part must be outside ifdef protection */ +#include diff --git a/tests/same_line_tracepoint/Makefile.am b/tests/same_line_tracepoint/Makefile.am new file mode 100644 index 0000000..5cb4f36 --- /dev/null +++ b/tests/same_line_tracepoint/Makefile.am @@ -0,0 +1,12 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include -Wsystem-headers + +noinst_PROGRAMS = same_line_tracepoint +same_line_tracepoint_SOURCES = same_line_tracepoint.c ust_tests_sameline.h +same_line_tracepoint_LDADD = $(top_builddir)/liblttng-ust/liblttng-ust.la + +if LTTNG_UST_BUILD_WITH_LIBDL +same_line_tracepoint_LDADD += -ldl +endif +if LTTNG_UST_BUILD_WITH_LIBC_DL +same_line_tracepoint_LDADD += -lc +endif diff --git a/tests/same_line_tracepoint/Makefile.in b/tests/same_line_tracepoint/Makefile.in new file mode 100644 index 0000000..a64f6f4 --- /dev/null +++ b/tests/same_line_tracepoint/Makefile.in @@ -0,0 +1,632 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define TRACEPOINT_DEFINE +#define TRACEPOINT_CREATE_PROBES +#include "ust_tests_sameline.h" + +int main() +{ + tracepoint(ust_tests_sameline, event1); tracepoint(ust_tests_sameline, event2); + return 0; +} diff --git a/tests/same_line_tracepoint/ust_tests_sameline.h b/tests/same_line_tracepoint/ust_tests_sameline.h new file mode 100644 index 0000000..6425db7 --- /dev/null +++ b/tests/same_line_tracepoint/ust_tests_sameline.h @@ -0,0 +1,49 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER ust_tests_sameline + +#if !defined(_TRACEPOINT_UST_TESTS_SAMELINE_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_TESTS_SAMELINE_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include + +TRACEPOINT_EVENT(ust_tests_sameline, event1, + TP_ARGS(), + TP_FIELDS() +) +TRACEPOINT_LOGLEVEL(ust_tests_sameline, event1, TRACE_CRIT) + +TRACEPOINT_EVENT(ust_tests_sameline, event2, + TP_ARGS(), + TP_FIELDS() +) +TRACEPOINT_LOGLEVEL(ust_tests_sameline, event2, TRACE_CRIT) + +#endif /* _TRACEPOINT_UST_TESTS_SAMELINE_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_tests_sameline.h" + +/* This part must be outside ifdef protection */ +#include diff --git a/tests/snprintf/Makefile.am b/tests/snprintf/Makefile.am new file mode 100644 index 0000000..4302156 --- /dev/null +++ b/tests/snprintf/Makefile.am @@ -0,0 +1,24 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/tests/utils + +noinst_PROGRAMS = prog +prog_SOURCES = prog.c +prog_LDADD = $(top_builddir)/snprintf/libustsnprintf.la \ + $(top_builddir)/tests/utils/libtap.a + +SCRIPT_LIST = test_snprintf + +dist_noinst_SCRIPTS = $(SCRIPT_LIST) + +all-local: + @if [ x"$(srcdir)" != x"$(builddir)" ]; 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you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include "ust_snprintf.h" + +#include "tap.h" + +int main() +{ + char buf[100]; + char *expected; + char test_fmt_str[] = "header %d, %s, %03d, '%3$*d'"; + char escaped_test_fmt_str[] = "header %%d, %%s, %%03d, '%%3$*d'"; + + plan_tests(1); + + expected = "header 9999, hello, 005, ' 9'"; + ust_safe_snprintf(buf, 99, test_fmt_str, 9999, "hello", 5, 9); + + char test_desc_fmt_str[] = "Got expected output string with format string \"%s\""; + char test_desc[sizeof(escaped_test_fmt_str) + sizeof(test_desc_fmt_str) - 1]; + sprintf(test_desc, test_desc_fmt_str, escaped_test_fmt_str); + ok(strcmp(buf, expected) == 0, test_desc); + + return 0; +} diff --git a/tests/snprintf/test_snprintf b/tests/snprintf/test_snprintf new file mode 100755 index 0000000..cc77d40 --- /dev/null +++ b/tests/snprintf/test_snprintf @@ -0,0 +1,4 @@ +#!/bin/bash + +TEST_DIR=$(dirname $0) +./${TEST_DIR}/prog diff --git a/tests/test-app-ctx/Makefile.am b/tests/test-app-ctx/Makefile.am new file mode 100644 index 0000000..324c2cd --- /dev/null +++ b/tests/test-app-ctx/Makefile.am @@ -0,0 +1,13 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include -Wsystem-headers + +noinst_PROGRAMS = hello +hello_SOURCES = hello.c tp.c ust_tests_hello.h +hello_LDADD = $(top_builddir)/liblttng-ust/liblttng-ust.la +hello_CFLAGS = -Werror=old-style-definition + +if LTTNG_UST_BUILD_WITH_LIBDL +hello_LDADD += -ldl +endif +if LTTNG_UST_BUILD_WITH_LIBC_DL +hello_LDADD += -lc +endif diff --git a/tests/test-app-ctx/Makefile.in b/tests/test-app-ctx/Makefile.in new file mode 100644 index 0000000..4c4a4a9 --- /dev/null +++ b/tests/test-app-ctx/Makefile.in @@ -0,0 +1,663 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; version 2.1 of + * the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +/* + * Work-around inet.h missing struct mmsghdr forward declaration, with + * triggers a warning when system files warnings are enabled. + */ +struct mmsghdr; +#include +#include +#include + +#define TRACEPOINT_DEFINE +#include "ust_tests_hello.h" + +/* Internal header. */ +#include +#include +#include + +static __thread unsigned int test_count; + +void test_inc_count(void) +{ + test_count++; +} + +static +size_t test_get_size(struct lttng_ctx_field *field, size_t offset) +{ + int sel = test_count % _NR_LTTNG_UST_DYNAMIC_TYPES; + size_t size = 0; + + size += lib_ring_buffer_align(offset, lttng_alignof(char)); + size += sizeof(char); /* tag */ + switch (sel) { + case LTTNG_UST_DYNAMIC_TYPE_NONE: + break; + case LTTNG_UST_DYNAMIC_TYPE_S8: + size += lib_ring_buffer_align(offset, lttng_alignof(int8_t)); + size += sizeof(int8_t); /* variant */ + break; + case LTTNG_UST_DYNAMIC_TYPE_S16: + size += lib_ring_buffer_align(offset, lttng_alignof(int16_t)); + size += sizeof(int16_t); /* variant */ + break; + case LTTNG_UST_DYNAMIC_TYPE_S32: + size += lib_ring_buffer_align(offset, lttng_alignof(int32_t)); + size += sizeof(int32_t); /* variant */ + break; + case LTTNG_UST_DYNAMIC_TYPE_S64: + size += lib_ring_buffer_align(offset, lttng_alignof(int64_t)); + size += sizeof(int64_t); /* variant */ + break; + case LTTNG_UST_DYNAMIC_TYPE_U8: + size += lib_ring_buffer_align(offset, lttng_alignof(uint8_t)); + size += sizeof(uint8_t); /* variant */ + break; + case LTTNG_UST_DYNAMIC_TYPE_U16: + size += lib_ring_buffer_align(offset, lttng_alignof(uint16_t)); + size += sizeof(uint16_t); /* variant */ + break; + case LTTNG_UST_DYNAMIC_TYPE_U32: + size += lib_ring_buffer_align(offset, lttng_alignof(uint32_t)); + size += sizeof(uint32_t); /* variant */ + break; + case LTTNG_UST_DYNAMIC_TYPE_U64: + size += lib_ring_buffer_align(offset, lttng_alignof(uint64_t)); + size += sizeof(uint64_t); /* variant */ + break; + case LTTNG_UST_DYNAMIC_TYPE_FLOAT: + size += lib_ring_buffer_align(offset, lttng_alignof(float)); + size += sizeof(float); /* variant */ + break; + case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: + size += lib_ring_buffer_align(offset, lttng_alignof(double)); + size += sizeof(double); /* variant */ + break; + case LTTNG_UST_DYNAMIC_TYPE_STRING: + size += strlen("teststr") + 1; + break; + default: + abort(); + } + + return size; +} + +static +void test_record(struct lttng_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan) +{ + int sel = test_count % _NR_LTTNG_UST_DYNAMIC_TYPES; + char sel_char = (char) sel; + + lib_ring_buffer_align_ctx(ctx, lttng_alignof(char)); + chan->ops->event_write(ctx, &sel_char, sizeof(sel_char)); + switch (sel) { + case LTTNG_UST_DYNAMIC_TYPE_NONE: + break; + case LTTNG_UST_DYNAMIC_TYPE_S8: + { + int8_t v = -8; + + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case LTTNG_UST_DYNAMIC_TYPE_S16: + { + int16_t v = -16; + + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case LTTNG_UST_DYNAMIC_TYPE_S32: + { + int32_t v = -32; + + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case LTTNG_UST_DYNAMIC_TYPE_S64: + { + int64_t v = -64; + + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case LTTNG_UST_DYNAMIC_TYPE_U8: + { + uint8_t v = 8; + + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case LTTNG_UST_DYNAMIC_TYPE_U16: + { + uint16_t v = 16; + + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case LTTNG_UST_DYNAMIC_TYPE_U32: + { + uint32_t v = 32; + + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case LTTNG_UST_DYNAMIC_TYPE_U64: + { + uint64_t v = 64; + + lib_ring_buffer_align_ctx(ctx, lttng_alignof(v)); + chan->ops->event_write(ctx, &v, sizeof(v)); + break; + } + case LTTNG_UST_DYNAMIC_TYPE_FLOAT: + { + float f = 22322.0; + + lib_ring_buffer_align_ctx(ctx, lttng_alignof(f)); + chan->ops->event_write(ctx, &f, sizeof(f)); + break; + } + case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: + { + double d = 2.0; + + lib_ring_buffer_align_ctx(ctx, lttng_alignof(d)); + chan->ops->event_write(ctx, &d, sizeof(d)); + break; + } + case LTTNG_UST_DYNAMIC_TYPE_STRING: + { + const char *str = "teststr"; + chan->ops->event_write(ctx, str, strlen(str) + 1); + break; + } + default: + abort(); + } +} + +static +void test_get_value(struct lttng_ctx_field *field, + struct lttng_ctx_value *value) +{ + int sel = test_count % _NR_LTTNG_UST_DYNAMIC_TYPES; + + value->sel = sel; + switch (sel) { + case LTTNG_UST_DYNAMIC_TYPE_NONE: + break; + case LTTNG_UST_DYNAMIC_TYPE_S8: + value->u.s64 = -8; + break; + case LTTNG_UST_DYNAMIC_TYPE_S16: + value->u.s64 = -16; + break; + case LTTNG_UST_DYNAMIC_TYPE_S32: + value->u.s64 = -32; + break; + case LTTNG_UST_DYNAMIC_TYPE_S64: + value->u.s64 = -64; + break; + case LTTNG_UST_DYNAMIC_TYPE_U8: + value->u.s64 = 8; + break; + case LTTNG_UST_DYNAMIC_TYPE_U16: + value->u.s64 = 16; + break; + case LTTNG_UST_DYNAMIC_TYPE_U32: + value->u.s64 = 32; + break; + case LTTNG_UST_DYNAMIC_TYPE_U64: + value->u.s64 = 64; + break; + case LTTNG_UST_DYNAMIC_TYPE_FLOAT: + value->u.d = 22322.0; + break; + case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: + value->u.d = 2.0; + break; + case LTTNG_UST_DYNAMIC_TYPE_STRING: + value->u.str = "teststr"; + break; + default: + abort(); + } +} + +struct lttng_ust_context_provider myprovider = { + .name = "$app.myprovider", + .get_size = test_get_size, + .record = test_record, + .get_value = test_get_value, +}; + +void inthandler(int sig) +{ + printf("in SIGUSR1 handler\n"); + tracepoint(ust_tests_hello, tptest_sighandler); +} + +int init_int_handler(void) +{ + int result; + struct sigaction act; + + memset(&act, 0, sizeof(act)); + result = sigemptyset(&act.sa_mask); + if (result == -1) { + perror("sigemptyset"); + return -1; + } + + act.sa_handler = inthandler; + act.sa_flags = SA_RESTART; + + /* Only defer ourselves. Also, try to restart interrupted + * syscalls to disturb the traced program as little as possible. + */ + result = sigaction(SIGUSR1, &act, NULL); + if (result == -1) { + perror("sigaction"); + return -1; + } + + return 0; +} + +void test_inc_count(void); + +int main(int argc, char **argv) +{ + int i, netint; + long values[] = { 1, 2, 3 }; + char text[10] = "test"; + double dbl = 2.0; + float flt = 2222.0; + int delay = 0; + bool mybool = 123; /* should print "1" */ + + init_int_handler(); + + if (argc == 2) + delay = atoi(argv[1]); + + if (lttng_ust_context_provider_register(&myprovider)) + abort(); + + fprintf(stderr, "Hello, World!\n"); + + sleep(delay); + + fprintf(stderr, "Tracing... "); + for (i = 0; i < 1000000; i++) { + netint = htonl(i); + tracepoint(ust_tests_hello, tptest, i, netint, values, + text, strlen(text), dbl, flt, mybool); + test_inc_count(); + //usleep(100000); + } + lttng_ust_context_provider_unregister(&myprovider); + fprintf(stderr, " done.\n"); + return 0; +} diff --git a/tests/test-app-ctx/tp.c b/tests/test-app-ctx/tp.c new file mode 100644 index 0000000..4790965 --- /dev/null +++ b/tests/test-app-ctx/tp.c @@ -0,0 +1,26 @@ +/* + * tp.c + * + * Copyright (c) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define TRACEPOINT_CREATE_PROBES +#include "ust_tests_hello.h" diff --git a/tests/test-app-ctx/ust_tests_hello.h b/tests/test-app-ctx/ust_tests_hello.h new file mode 100644 index 0000000..e518b0d --- /dev/null +++ b/tests/test-app-ctx/ust_tests_hello.h @@ -0,0 +1,68 @@ +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER ust_tests_hello + +#if !defined(_TRACEPOINT_UST_TESTS_HELLO_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_TESTS_HELLO_H + +/* + * Copyright (C) 2011 Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include + +TRACEPOINT_EVENT(ust_tests_hello, tptest, + TP_ARGS(int, anint, int, netint, long *, values, + char *, text, size_t, textlen, + double, doublearg, float, floatarg, + bool, boolarg), + TP_FIELDS( + ctf_integer(int, intfield, anint) + ctf_integer_hex(int, intfield2, anint) + ctf_integer(long, longfield, anint) + ctf_integer_network(int, netintfield, netint) + ctf_integer_network_hex(int, netintfieldhex, netint) + ctf_array(long, arrfield1, values, 3) + ctf_array_text(char, arrfield2, text, 10) + ctf_sequence(char, seqfield1, text, + size_t, textlen) + ctf_sequence_text(char, seqfield2, text, + size_t, textlen) + ctf_string(stringfield, text) + ctf_float(float, floatfield, floatarg) + ctf_float(double, doublefield, doublearg) + ctf_integer(bool, boolfield, boolarg) + ctf_integer_nowrite(int, filterfield, anint) + ) +) + +TRACEPOINT_EVENT(ust_tests_hello, tptest_sighandler, + TP_ARGS(), + TP_FIELDS() +) + +#endif /* _TRACEPOINT_UST_TESTS_HELLO_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_tests_hello.h" + +/* This part must be outside ifdef protection */ +#include diff --git a/tests/ust-elf/Makefile.am b/tests/ust-elf/Makefile.am new file mode 100644 index 0000000..eac89ee --- /dev/null +++ b/tests/ust-elf/Makefile.am @@ -0,0 +1,28 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/tests/utils + +noinst_PROGRAMS = prog +prog_SOURCES = prog.c +prog_LDADD = $(top_builddir)/liblttng-ust/liblttng-ust.la \ + $(top_builddir)/tests/utils/libtap.a + +noinst_SCRIPTS = test_ust_elf +CLEANFILES = $(noinst_SCRIPTS) +EXTRA_DIST = test_ust_elf.in \ + $(srcdir)/data/main.c \ + $(srcdir)/data/aarch64_be/main.elf \ + $(srcdir)/data/aarch64_be/main.elf.debug \ + $(srcdir)/data/armeb/main.elf \ + $(srcdir)/data/armeb/main.elf.debug \ + $(srcdir)/data/x86/main.elf \ + $(srcdir)/data/x86/main.elf.debug \ + $(srcdir)/data/x86_64/main.elf \ + $(srcdir)/data/x86_64/main.elf.debug \ + $(srcdir)/data/pic/hello.exec \ + $(srcdir)/data/pic/hello.pie \ + $(srcdir)/data/pic/hello.pic \ + $(srcdir)/data/pic/hello.c \ + $(srcdir)/data/pic/libhello.c + +$(noinst_SCRIPTS): %: %.in + sed "s#@ABSTOPSRCDIR@#$(abs_top_srcdir)#g" < $< > $@ + chmod +x $@ diff --git a/tests/ust-elf/Makefile.in b/tests/ust-elf/Makefile.in new file mode 100644 index 0000000..4e3d781 --- /dev/null +++ b/tests/ust-elf/Makefile.in @@ -0,0 +1,653 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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Binary files /dev/null and b/tests/ust-elf/data/armeb/main.elf.debug differ diff --git a/tests/ust-elf/data/main.c b/tests/ust-elf/data/main.c new file mode 100644 index 0000000..d756a50 --- /dev/null +++ b/tests/ust-elf/data/main.c @@ -0,0 +1,6 @@ +int main() +{ + char buf[100]; + + return 0; +} diff --git a/tests/ust-elf/data/pic/hello.c b/tests/ust-elf/data/pic/hello.c new file mode 100644 index 0000000..e89f5fb --- /dev/null +++ b/tests/ust-elf/data/pic/hello.c @@ -0,0 +1,8 @@ +#include + +int main() +{ + puts("hello, world"); + + return 0; +} diff --git a/tests/ust-elf/data/pic/hello.exec b/tests/ust-elf/data/pic/hello.exec new file mode 100644 index 0000000..9af50ea Binary files /dev/null and b/tests/ust-elf/data/pic/hello.exec differ diff --git a/tests/ust-elf/data/pic/hello.pic b/tests/ust-elf/data/pic/hello.pic new file mode 100644 index 0000000..a9e3f47 Binary files /dev/null and b/tests/ust-elf/data/pic/hello.pic differ diff --git a/tests/ust-elf/data/pic/hello.pie b/tests/ust-elf/data/pic/hello.pie new file mode 100644 index 0000000..384795f Binary files /dev/null and b/tests/ust-elf/data/pic/hello.pie differ diff --git a/tests/ust-elf/data/pic/libhello.c b/tests/ust-elf/data/pic/libhello.c new file mode 100644 index 0000000..d3f02e8 --- /dev/null +++ b/tests/ust-elf/data/pic/libhello.c @@ -0,0 +1,6 @@ +#include + +void hello() +{ + puts("hello, world"); +} diff --git a/tests/ust-elf/data/x86/main.elf b/tests/ust-elf/data/x86/main.elf new file mode 100644 index 0000000..30f7746 Binary files /dev/null and b/tests/ust-elf/data/x86/main.elf differ diff --git a/tests/ust-elf/data/x86/main.elf.debug b/tests/ust-elf/data/x86/main.elf.debug new file mode 100755 index 0000000..ea0aafc Binary files /dev/null and b/tests/ust-elf/data/x86/main.elf.debug differ diff --git a/tests/ust-elf/data/x86_64/main.elf b/tests/ust-elf/data/x86_64/main.elf new file mode 100644 index 0000000..341e4a2 Binary files /dev/null and b/tests/ust-elf/data/x86_64/main.elf differ diff --git a/tests/ust-elf/data/x86_64/main.elf.debug b/tests/ust-elf/data/x86_64/main.elf.debug new file mode 100755 index 0000000..275f2ca Binary files /dev/null and b/tests/ust-elf/data/x86_64/main.elf.debug differ diff --git a/tests/ust-elf/prog.c b/tests/ust-elf/prog.c new file mode 100644 index 0000000..4036563 --- /dev/null +++ b/tests/ust-elf/prog.c @@ -0,0 +1,169 @@ +/* + * Copyright (C) 2015 Antoine Busque + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include + +#include +#include "tap.h" + +#define NUM_ARCH 4 +#define NUM_TESTS_PER_ARCH 11 +#define NUM_TESTS_PIC 3 +#define NUM_TESTS (NUM_ARCH * NUM_TESTS_PER_ARCH) + NUM_TESTS_PIC + 1 + +/* + * Expected memsz were computed using libelf, build ID and debug link + * were determined through readelf. + */ +#define X86_MEMSZ 5732 +#define X86_64_MEMSZ 2099376 +#define ARMEB_MEMSZ 34196 +#define AARCH64_BE_MEMSZ 67632 + +#define X86_CRC 0x1531f73c +#define X86_64_CRC 0xa048a98f +#define ARMEB_CRC 0x9d40261b +#define AARCH64_BE_CRC 0x2b8cedce + +#define BUILD_ID_LEN 20 +#define DBG_FILE "main.elf.debug" + +static const uint8_t x86_build_id[BUILD_ID_LEN] = { + 0x27, 0x79, 0x2a, 0xe7, 0xaa, 0xef, 0x72, 0x5c, 0x9c, 0x52, + 0x80, 0xec, 0x1e, 0x18, 0xd8, 0x09, 0x02, 0xba, 0xbc, 0x82 +}; +static const uint8_t x86_64_build_id[BUILD_ID_LEN] = { + 0x0f, 0x87, 0xb2, 0xe2, 0x24, 0x9c, 0xe1, 0xc2, 0x24, 0xb1, + 0xf8, 0xb6, 0x65, 0x83, 0xa3, 0xc1, 0xcb, 0x30, 0x5c, 0x63 +}; +static const uint8_t armeb_build_id[BUILD_ID_LEN] = { + 0x60, 0x5d, 0x26, 0xa0, 0x0e, 0x30, 0xa4, 0x29, 0xf4, 0xf1, + 0x85, 0x53, 0xda, 0x90, 0x68, 0xe1, 0xf5, 0x67, 0xbe, 0x42 +}; +static const uint8_t aarch64_be_build_id[BUILD_ID_LEN] = { + 0xb9, 0x0a, 0xa0, 0xed, 0xd1, 0x41, 0x42, 0xc3, 0x34, 0x85, + 0xfa, 0x27, 0x2e, 0xa9, 0x2f, 0xd2, 0xe4, 0xf7, 0xb6, 0x60 +}; + +static +void test_elf(const char *test_dir, const char *arch, uint64_t exp_memsz, + const uint8_t *exp_build_id, uint32_t exp_crc) +{ + char path[PATH_MAX]; + struct lttng_ust_elf *elf = NULL; + int ret = 0; + uint64_t memsz = 0; + int has_build_id = 0; + uint8_t *build_id = NULL; + size_t build_id_len = 0; + int has_debug_link = 0; + char *dbg_file = NULL; + uint32_t crc = 0; + + diag("Testing %s support", arch); + + snprintf(path, PATH_MAX, "%s/data/%s/main.elf", test_dir, arch); + elf = lttng_ust_elf_create(path); + ok(elf != NULL, "lttng_ust_elf_create"); + + ret = lttng_ust_elf_get_memsz(elf, &memsz); + ok(ret == 0, "lttng_ust_elf_get_memsz returned successfully"); + ok(memsz == exp_memsz, + "memsz - expected: %lu, got: %lu", + exp_memsz, memsz); + + ret = lttng_ust_elf_get_build_id(elf, &build_id, &build_id_len, + &has_build_id); + ok(ret == 0, "lttng_ust_elf_get_build_id returned successfully"); + ok(has_build_id == 1, "build id marked as found"); + ok(build_id_len == BUILD_ID_LEN, + "build_id_len - expected: %u, got: %u", + BUILD_ID_LEN, build_id_len); + ok(memcmp(build_id, exp_build_id, build_id_len) == 0, + "build_id has expected value"); + + ret = lttng_ust_elf_get_debug_link(elf, &dbg_file, &crc, + &has_debug_link); + ok(ret == 0, "lttng_ust_elf_get_debug_link returned successfully"); + ok(has_debug_link == 1, "debug link marked as found"); + ok(dbg_file && strcmp(dbg_file, DBG_FILE) == 0, + "debug link filename - expected: %s, got: %s", + DBG_FILE, dbg_file); + ok(crc == exp_crc, + "debug link crc - expected: %#x, got: %#x", + exp_crc, crc); + + free(build_id); + free(dbg_file); + lttng_ust_elf_destroy(elf); +} + +static +void test_pic(const char *test_dir) +{ + char exec_path[PATH_MAX]; + char pie_path[PATH_MAX]; + char pic_path[PATH_MAX]; + struct lttng_ust_elf *elf = NULL; + uint8_t is_pic; + + snprintf(exec_path, PATH_MAX, "%s/data/pic/hello.exec", test_dir); + snprintf(pie_path, PATH_MAX, "%s/data/pic/hello.pie", test_dir); + snprintf(pic_path, PATH_MAX, "%s/data/pic/hello.pic", test_dir); + + elf = lttng_ust_elf_create(exec_path); + is_pic = lttng_ust_elf_is_pic(elf); + ok(is_pic == 0, "hello.exec is not PIC"); + lttng_ust_elf_destroy(elf); + + elf = lttng_ust_elf_create(pie_path); + is_pic = lttng_ust_elf_is_pic(elf); + ok(is_pic == 1, "hello.pie is PIC"); + lttng_ust_elf_destroy(elf); + + elf = lttng_ust_elf_create(pic_path); + is_pic = lttng_ust_elf_is_pic(elf); + ok(is_pic == 1, "hello.pic is PIC"); + lttng_ust_elf_destroy(elf); +} + +int main(int argc, char **argv) +{ + const char *test_dir; + + plan_tests(NUM_TESTS); + + ok(argc == 2, "Invoke as: %s ", argv[0]); + if (argc != 2) { + return EXIT_FAILURE; + } else { + test_dir = argv[1]; + } + + test_elf(test_dir, "x86", X86_MEMSZ, x86_build_id, X86_CRC); + test_elf(test_dir, "x86_64", X86_64_MEMSZ, x86_64_build_id, X86_64_CRC); + test_elf(test_dir, "armeb", ARMEB_MEMSZ, armeb_build_id, ARMEB_CRC); + test_elf(test_dir, "aarch64_be", AARCH64_BE_MEMSZ, aarch64_be_build_id, + AARCH64_BE_CRC); + test_pic(test_dir); + + return EXIT_SUCCESS; +} diff --git a/tests/ust-elf/test_ust_elf.in b/tests/ust-elf/test_ust_elf.in new file mode 100755 index 0000000..03a995f --- /dev/null +++ b/tests/ust-elf/test_ust_elf.in @@ -0,0 +1,4 @@ +#!/bin/bash + +TEST_DIR=$(dirname $0) +./${TEST_DIR}/prog @ABSTOPSRCDIR@/tests/ust-elf diff --git a/tests/utils/Makefile.am b/tests/utils/Makefile.am new file mode 100644 index 0000000..24c0bb8 --- /dev/null +++ b/tests/utils/Makefile.am @@ -0,0 +1,3 @@ +noinst_LIBRARIES = libtap.a +libtap_a_SOURCES = tap.c tap.h +dist_noinst_SCRIPTS = tap.sh diff --git a/tests/utils/Makefile.in b/tests/utils/Makefile.in new file mode 100644 index 0000000..8c29ba8 --- /dev/null +++ b/tests/utils/Makefile.in @@ -0,0 +1,627 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#define _GNU_SOURCE +#include +#include +#include +#include + +#include "tap.h" + +static int no_plan = 0; +static int skip_all = 0; +static int have_plan = 0; +static unsigned int test_count = 0; /* Number of tests that have been run */ +static unsigned int e_tests = 0; /* Expected number of tests to run */ +static unsigned int failures = 0; /* Number of tests that failed */ +static char *todo_msg = NULL; +static char *todo_msg_fixed = "libtap malloc issue"; +static int todo = 0; +static int test_died = 0; + +/* Encapsulate the pthread code in a conditional. In the absence of + libpthread the code does nothing */ +#ifdef HAVE_LIBPTHREAD +#include +static pthread_mutex_t M = PTHREAD_MUTEX_INITIALIZER; +# define LOCK pthread_mutex_lock(&M); +# define UNLOCK pthread_mutex_unlock(&M); +#else +# define LOCK +# define UNLOCK +#endif + +static void _expected_tests(unsigned int); +static void _tap_init(void); +static void _cleanup(void); + +/* + * Generate a test result. + * + * ok -- boolean, indicates whether or not the test passed. + * test_name -- the name of the test, may be NULL + * test_comment -- a comment to print afterwards, may be NULL + */ +unsigned int +_gen_result(int ok, const char *func, char *file, unsigned int line, + char *test_name, ...) +{ + va_list ap; + char *local_test_name = NULL; + char *c; + int name_is_digits; + + LOCK; + + test_count++; + + /* Start by taking the test name and performing any printf() + expansions on it */ + if(test_name != NULL) { + va_start(ap, test_name); + if (vasprintf(&local_test_name, test_name, ap) == -1) { + local_test_name = NULL; + } + va_end(ap); + + /* Make sure the test name contains more than digits + and spaces. Emit an error message and exit if it + does */ + if(local_test_name) { + name_is_digits = 1; + for(c = local_test_name; *c != '\0'; c++) { + if(!isdigit(*c) && !isspace(*c)) { + name_is_digits = 0; + break; + } + } + + if(name_is_digits) { + diag(" You named your test '%s'. You shouldn't use numbers for your test names.", local_test_name); + diag(" Very confusing."); + } + } + } + + if(!ok) { + printf("not "); + failures++; + } + + printf("ok %d", test_count); + + if(test_name != NULL) { + printf(" - "); + + /* Print the test name, escaping any '#' characters it + might contain */ + if(local_test_name != NULL) { + flockfile(stdout); + for(c = local_test_name; *c != '\0'; c++) { + if(*c == '#') + fputc('\\', stdout); + fputc((int)*c, stdout); + } + funlockfile(stdout); + } else { /* vasprintf() failed, use a fixed message */ + printf("%s", todo_msg_fixed); + } + } + + /* If we're in a todo_start() block then flag the test as being + TODO. todo_msg should contain the message to print at this + point. If it's NULL then asprintf() failed, and we should + use the fixed message. + + This is not counted as a failure, so decrement the counter if + the test failed. */ + if(todo) { + printf(" # TODO %s", todo_msg ? todo_msg : todo_msg_fixed); + if(!ok) + failures--; + } + + printf("\n"); + + if(!ok) { + if(getenv("HARNESS_ACTIVE") != NULL) + fputs("\n", stderr); + + diag(" Failed %stest (%s:%s() at line %d)", + todo ? "(TODO) " : "", file, func, line); + } + free(local_test_name); + + UNLOCK; + + /* We only care (when testing) that ok is positive, but here we + specifically only want to return 1 or 0 */ + return ok ? 1 : 0; +} + +/* + * Initialise the TAP library. Will only do so once, however many times it's + * called. + */ +void +_tap_init(void) +{ + static int run_once = 0; + + if(!run_once) { + atexit(_cleanup); + + /* stdout needs to be unbuffered so that the output appears + in the same place relative to stderr output as it does + with Test::Harness */ + setbuf(stdout, 0); + run_once = 1; + } +} + +/* + * Note that there's no plan. + */ +int +plan_no_plan(void) +{ + + LOCK; + + _tap_init(); + + if(have_plan != 0) { + fprintf(stderr, "You tried to plan twice!\n"); + test_died = 1; + UNLOCK; + exit(255); + } + + have_plan = 1; + no_plan = 1; + + UNLOCK; + + return 1; +} + +/* + * Note that the plan is to skip all tests + */ +int +plan_skip_all(char *reason) +{ + + LOCK; + + _tap_init(); + + skip_all = 1; + + printf("1..0"); + + if(reason != NULL) + printf(" # Skip %s", reason); + + printf("\n"); + + UNLOCK; + + exit(0); +} + +/* + * Note the number of tests that will be run. + */ +int +plan_tests(unsigned int tests) +{ + + LOCK; + + _tap_init(); + + if(have_plan != 0) { + fprintf(stderr, "You tried to plan twice!\n"); + test_died = 1; + UNLOCK; + exit(255); + } + + if(tests == 0) { + fprintf(stderr, "You said to run 0 tests! You've got to run something.\n"); + test_died = 1; + UNLOCK; + exit(255); + } + + have_plan = 1; + + _expected_tests(tests); + + UNLOCK; + + return e_tests; +} + +unsigned int +diag(char *fmt, ...) +{ + va_list ap; + + fputs("# ", stderr); + + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); + + fputs("\n", stderr); + + return 0; +} + +void +_expected_tests(unsigned int tests) +{ + + printf("1..%d\n", tests); + e_tests = tests; +} + +int +skip(unsigned int n, char *fmt, ...) +{ + va_list ap; + char *skip_msg = NULL; + + LOCK; + + va_start(ap, fmt); + if (asprintf(&skip_msg, fmt, ap) == -1) { + skip_msg = NULL; + } + va_end(ap); + + while(n-- > 0) { + test_count++; + printf("ok %d # skip %s\n", test_count, + skip_msg != NULL ? + skip_msg : "libtap():malloc() failed"); + } + + free(skip_msg); + + UNLOCK; + + return 1; +} + +void +todo_start(char *fmt, ...) +{ + va_list ap; + + LOCK; + + va_start(ap, fmt); + if (vasprintf(&todo_msg, fmt, ap) == -1) { + todo_msg = NULL; + } + va_end(ap); + + todo = 1; + + UNLOCK; +} + +void +todo_end(void) +{ + + LOCK; + + todo = 0; + free(todo_msg); + + UNLOCK; +} + +int +exit_status(void) +{ + int r; + + LOCK; + + /* If there's no plan, just return the number of failures */ + if(no_plan || !have_plan) { + UNLOCK; + return failures; + } + + /* Ran too many tests? Return the number of tests that were run + that shouldn't have been */ + if(e_tests < test_count) { + r = test_count - e_tests; + UNLOCK; + return r; + } + + /* Return the number of tests that failed + the number of tests + that weren't run */ + r = failures + e_tests - test_count; + UNLOCK; + + return r; +} + +/* + * Cleanup at the end of the run, produce any final output that might be + * required. + */ +void +_cleanup(void) +{ + + LOCK; + + /* If plan_no_plan() wasn't called, and we don't have a plan, + and we're not skipping everything, then something happened + before we could produce any output */ + if(!no_plan && !have_plan && !skip_all) { + diag("Looks like your test died before it could output anything."); + UNLOCK; + return; + } + + if(test_died) { + diag("Looks like your test died just after %d.", test_count); + UNLOCK; + return; + } + + + /* No plan provided, but now we know how many tests were run, and can + print the header at the end */ + if(!skip_all && (no_plan || !have_plan)) { + printf("1..%d\n", test_count); + } + + if((have_plan && !no_plan) && e_tests < test_count) { + diag("Looks like you planned %d %s but ran %d extra.", + e_tests, e_tests == 1 ? "test" : "tests", test_count - e_tests); + UNLOCK; + return; + } + + if((have_plan || !no_plan) && e_tests > test_count) { + diag("Looks like you planned %d %s but only ran %d.", + e_tests, e_tests == 1 ? "test" : "tests", test_count); + UNLOCK; + return; + } + + if(failures) + diag("Looks like you failed %d %s of %d.", + failures, failures == 1 ? "test" : "tests", test_count); + + UNLOCK; +} diff --git a/tests/utils/tap.h b/tests/utils/tap.h new file mode 100644 index 0000000..0f05943 --- /dev/null +++ b/tests/utils/tap.h @@ -0,0 +1,89 @@ +/*- + * Copyright (c) 2004 Nik Clayton + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* '## __VA_ARGS__' is a gcc'ism. C99 doesn't allow the token pasting + and requires the caller to add the final comma if they've ommitted + the optional arguments */ +#ifdef __GNUC__ +# define ok(e, test, ...) ((e) ? \ + _gen_result(1, __func__, __FILE__, __LINE__, \ + test, ## __VA_ARGS__) : \ + _gen_result(0, __func__, __FILE__, __LINE__, \ + test, ## __VA_ARGS__)) + +# define ok1(e) ((e) ? \ + _gen_result(1, __func__, __FILE__, __LINE__, "%s", #e) : \ + _gen_result(0, __func__, __FILE__, __LINE__, "%s", #e)) + +# define pass(test, ...) ok(1, test, ## __VA_ARGS__); +# define fail(test, ...) ok(0, test, ## __VA_ARGS__); + +# define skip_start(test, n, fmt, ...) \ + do { \ + if((test)) { \ + skip(n, fmt, ## __VA_ARGS__); \ + continue; \ + } +#elif __STDC_VERSION__ >= 199901L /* __GNUC__ */ +# define ok(e, ...) ((e) ? \ + _gen_result(1, __func__, __FILE__, __LINE__, \ + __VA_ARGS__) : \ + _gen_result(0, __func__, __FILE__, __LINE__, \ + __VA_ARGS__)) + +# define ok1(e) ((e) ? \ + _gen_result(1, __func__, __FILE__, __LINE__, "%s", #e) : \ + _gen_result(0, __func__, __FILE__, __LINE__, "%s", #e)) + +# define pass(...) ok(1, __VA_ARGS__); +# define fail(...) ok(0, __VA_ARGS__); + +# define skip_start(test, n, ...) \ + do { \ + if((test)) { \ + skip(n, __VA_ARGS__); \ + continue; \ + } +#else /* __STDC_VERSION__ */ +# error "Needs gcc or C99 compiler for variadic macros." +#endif /* __STDC_VERSION__ */ + +#define skip_end() } while(0); + +unsigned int _gen_result(int, const char *, char *, unsigned int, char *, ...); + +int plan_no_plan(void); +int plan_skip_all(char *); +int plan_tests(unsigned int); + +unsigned int diag(char *, ...); + +int skip(unsigned int, char *, ...); + +void todo_start(char *, ...); +void todo_end(void); + +int exit_status(void); diff --git a/tests/utils/tap.sh b/tests/utils/tap.sh new file mode 100755 index 0000000..24ac1aa --- /dev/null +++ b/tests/utils/tap.sh @@ -0,0 +1,456 @@ +#!/bin/bash +# +# Copyright 2010 Patrick LeBoutillier +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + + +_version='1.01' + +_plan_set=0 +_no_plan=0 +_skip_all=0 +_test_died=0 +_expected_tests=0 +_executed_tests=0 +_failed_tests=0 +TODO= + + +usage(){ + cat <<'USAGE' +tap-functions: A TAP-producing BASH library + +PLAN: + plan_no_plan + plan_skip_all [REASON] + plan_tests NB_TESTS + +TEST: + ok RESULT [NAME] + okx COMMAND + is RESULT EXPECTED [NAME] + isnt RESULT EXPECTED [NAME] + like RESULT PATTERN [NAME] + unlike RESULT PATTERN [NAME] + pass [NAME] + fail [NAME] + +SKIP: + skip [CONDITION] [REASON] [NB_TESTS=1] + + skip $feature_not_present "feature not present" 2 || { + is $a "a" + is $b "b" + } + +TODO: + Specify TODO mode by setting $TODO: + TODO="not implemented yet" + ok $result "some not implemented test" + unset TODO + +OTHER: + diag MSG + +EXAMPLE: + #!/bin/bash + + . tap-functions + + plan_tests 7 + + me=$USER + is $USER $me "I am myself" + like $HOME $me "My home is mine" + like "`id`" $me "My id matches myself" + + /bin/ls $HOME 1>&2 + ok $? "/bin/ls $HOME" + # Same thing using okx shortcut + okx /bin/ls $HOME + + [[ "`id -u`" != "0" ]] + i_am_not_root=$? + skip $i_am_not_root "Must be root" || { + okx ls /root + } + + TODO="figure out how to become root..." + okx [ "$HOME" == "/root" ] + unset TODO +USAGE + exit +} + +opt= +set_u= +while getopts ":sx" opt ; do + case $_opt in + u) set_u=1 ;; + *) usage ;; + esac +done +shift $(( OPTIND - 1 )) +# Don't allow uninitialized variables if requested +[[ -n "$set_u" ]] && set -u +unset opt set_u + +# Used to call _cleanup on shell exit +trap _exit EXIT + + +plan_no_plan(){ + (( _plan_set != 0 )) && "You tried to plan twice!" + + _plan_set=1 + _no_plan=1 + + return 0 +} + + +plan_skip_all(){ + local reason=${1:-''} + + (( _plan_set != 0 )) && _die "You tried to plan twice!" + + _print_plan 0 "Skip $reason" + + _skip_all=1 + _plan_set=1 + _exit 0 + + return 0 +} + +plan_tests(){ + local tests=${1:?} + + (( _plan_set != 0 )) && _die "You tried to plan twice!" + (( tests == 0 )) && _die "You said to run 0 tests! You've got to run something." + + _print_plan $tests + _expected_tests=$tests + _plan_set=1 + + return $tests +} + + +_print_plan(){ + local tests=${1:?} + local directive=${2:-''} + + echo -n "1..$tests" + [[ -n "$directive" ]] && echo -n " # $directive" + echo +} + + +pass(){ + local name=$1 + ok 0 "$name" +} + + +fail(){ + local name=$1 + ok 1 "$name" +} + +# This is the workhorse method that actually +# prints the tests result. +ok(){ + local result=${1:?} + local name=${2:-''} + + (( _plan_set == 0 )) && _die "You tried to run a test without a plan! Gotta have a plan." + + _executed_tests=$(( $_executed_tests + 1 )) + + if [[ -n "$name" ]] ; then + if _matches "$name" "^[0-9]+$" ; then + diag " You named your test '$name'. You shouldn't use numbers for your test names." + diag " Very confusing." + fi + fi + + if (( result != 0 )) ; then + echo -n "not " + _failed_tests=$(( _failed_tests + 1 )) + fi + echo -n "ok $_executed_tests" + + if [[ -n "$name" ]] ; then + local ename=${name//\#/\\#} + echo -n " - $ename" + fi + + if [[ -n "$TODO" ]] ; then + echo -n " # TODO $TODO" ; + if (( result != 0 )) ; then + _failed_tests=$(( _failed_tests - 1 )) + fi + fi + + echo + if (( result != 0 )) ; then + local file='tap-functions' + local func= + local line= + + local i=0 + local bt=$(caller $i) + while _matches "$bt" "tap-functions$" ; do + i=$(( $i + 1 )) + bt=$(caller $i) + done + local backtrace= + eval $(caller $i | (read line func file ; echo "backtrace=\"$file:$func() at line $line.\"")) + + local t= + [[ -n "$TODO" ]] && t="(TODO) " + + if [[ -n "$name" ]] ; then + diag " Failed ${t}test '$name'" + diag " in $backtrace" + else + diag " Failed ${t}test in $backtrace" + fi + fi + + return $result +} + + +okx(){ + local command="$@" + + local line= + diag "Output of '$command':" + "$@" | while read line ; do + diag "$line" + done + ok ${PIPESTATUS[0]} "$command" +} + + +_equals(){ + local result=${1:?} + local expected=${2:?} + + if [[ "$result" == "$expected" ]] ; then + return 0 + else + return 1 + fi +} + + +# Thanks to Aaron Kangas for the patch to allow regexp matching +# under bash < 3. + _bash_major_version=${BASH_VERSION%%.*} +_matches(){ + local result=${1:?} + local pattern=${2:?} + + if [[ -z "$result" || -z "$pattern" ]] ; then + return 1 + else + if (( _bash_major_version >= 3 )) ; then + [[ "$result" =~ "$pattern" ]] + else + echo "$result" | egrep -q "$pattern" + fi + fi +} + + +_is_diag(){ + local result=${1:?} + local expected=${2:?} + + diag " got: '$result'" + diag " expected: '$expected'" +} + + +is(){ + local result=${1:?} + local expected=${2:?} + local name=${3:-''} + + _equals "$result" "$expected" + (( $? == 0 )) + ok $? "$name" + local r=$? + (( r != 0 )) && _is_diag "$result" "$expected" + return $r +} + + +isnt(){ + local result=${1:?} + local expected=${2:?} + local name=${3:-''} + + _equals "$result" "$expected" + (( $? != 0 )) + ok $? "$name" + local r=$? + (( r != 0 )) && _is_diag "$result" "$expected" + return $r +} + + +like(){ + local result=${1:?} + local pattern=${2:?} + local name=${3:-''} + + _matches "$result" "$pattern" + (( $? == 0 )) + ok $? "$name" + local r=$? + (( r != 0 )) && diag " '$result' doesn't match '$pattern'" + return $r +} + + +unlike(){ + local result=${1:?} + local pattern=${2:?} + local name=${3:-''} + + _matches "$result" "$pattern" + (( $? != 0 )) + ok $? "$name" + local r=$? + (( r != 0 )) && diag " '$result' matches '$pattern'" + return $r +} + + +skip(){ + local condition=${1:?} + local reason=${2:-''} + local n=${3:-1} + + if (( condition == 0 )) ; then + local i= + for (( i=0 ; i<$n ; i++ )) ; do + _executed_tests=$(( _executed_tests + 1 )) + echo "ok $_executed_tests # skip: $reason" + done + return 0 + else + return + fi +} + + +diag(){ + local msg=${1:?} + + if [[ -n "$msg" ]] ; then + echo "# $msg" + fi + + return 1 +} + + +_die(){ + local reason=${1:-''} + + echo "$reason" >&2 + _test_died=1 + _exit 255 +} + + +BAIL_OUT(){ + local reason=${1:-''} + + echo "Bail out! $reason" >&2 + _exit 255 +} + + +_cleanup(){ + local rc=0 + + if (( _plan_set == 0 )) ; then + diag "Looks like your test died before it could output anything." + return $rc + fi + + if (( _test_died != 0 )) ; then + diag "Looks like your test died just after $_executed_tests." + return $rc + fi + + if (( _skip_all == 0 && _no_plan != 0 )) ; then + _print_plan $_executed_tests + fi + + local s= + if (( _no_plan == 0 && _expected_tests < _executed_tests )) ; then + s= ; (( _expected_tests > 1 )) && s=s + local extra=$(( _executed_tests - _expected_tests )) + diag "Looks like you planned $_expected_tests test$s but ran $extra extra." + rc=1 ; + fi + + if (( _no_plan == 0 && _expected_tests > _executed_tests )) ; then + s= ; (( _expected_tests > 1 )) && s=s + diag "Looks like you planned $_expected_tests test$s but only ran $_executed_tests." + fi + + if (( _failed_tests > 0 )) ; then + s= ; (( _failed_tests > 1 )) && s=s + diag "Looks like you failed $_failed_tests test$s of $_executed_tests." + fi + + return $rc +} + + +_exit_status(){ + if (( _no_plan != 0 || _plan_set == 0 )) ; then + return $_failed_tests + fi + + if (( _expected_tests < _executed_tests )) ; then + return $(( _executed_tests - _expected_tests )) + fi + + return $(( _failed_tests + ( _expected_tests - _executed_tests ))) +} + + +_exit(){ + local rc=${1:-''} + if [[ -z "$rc" ]] ; then + _exit_status + rc=$? + fi + + _cleanup + local alt_rc=$? + (( alt_rc != 0 )) && rc=$alt_rc + trap - EXIT + exit $rc +} diff --git a/tools/Makefile.am b/tools/Makefile.am new file mode 100644 index 0000000..1bdd3f8 --- /dev/null +++ b/tools/Makefile.am @@ -0,0 +1,16 @@ +dist_bin_SCRIPTS = lttng-gen-tp +EXTRA_DIST = lttng-gen-tp + +all-local: + @if [ x"$(srcdir)" != x"$(builddir)" ]; 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then \ + for script in $(EXTRA_DIST); do \ + cp -f $(srcdir)/$$script $(builddir); \ + done; \ + fi + +clean-local: + @if [ x"$(srcdir)" != x"$(builddir)" ]; then \ + for script in $(EXTRA_DIST); do \ + rm -f $(builddir)/$$script; \ + done; \ + fi + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/tools/lttng-gen-tp b/tools/lttng-gen-tp new file mode 100755 index 0000000..b62cd99 --- /dev/null +++ b/tools/lttng-gen-tp @@ -0,0 +1,315 @@ +#!/usr/bin/env python +# +# Copyright (c) 2012 Yannick Brosseau +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; only version 2 +# of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +from __future__ import print_function +import sys +import getopt +import re +import os +import subprocess + +class Usage(Exception): + def __init__(self, msg): + self.msg = msg + +class HeaderFile: + HEADER_TPL=""" +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER {providerName} + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./{headerFilename}" + +#if !defined({includeGuard}) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define {includeGuard} + +#include + +""" + FOOTER_TPL=""" +#endif /* {includeGuard} */ + +#include +""" + def __init__(self, filename, template): + self.outputFilename = filename + self.template = template + + def write(self): + outputFile = open(self.outputFilename,"w") + # Include guard macro will be created by uppercasing the filename and + # replacing all non alphanumeric characters with '_' + includeGuard = re.sub('[^0-9a-zA-Z]', '_', self.outputFilename.upper()) + + outputFile.write(HeaderFile.HEADER_TPL.format(providerName=self.template.domain, + includeGuard = includeGuard, + headerFilename = self.outputFilename)) + outputFile.write(self.template.text) + outputFile.write(HeaderFile.FOOTER_TPL.format(includeGuard = includeGuard)) + outputFile.close() + +class CFile: + FILE_TPL=""" +#define TRACEPOINT_CREATE_PROBES +/* + * The header containing our TRACEPOINT_EVENTs. + */ +#define TRACEPOINT_DEFINE +#include "{headerFilename}" +""" + def __init__(self, filename, template): + self.outputFilename = filename + self.template = template + + def write(self): + outputFile = open(self.outputFilename,"w") + + headerFilename = self.outputFilename.replace(".c",".h") + + outputFile.write(CFile.FILE_TPL.format( + headerFilename = headerFilename)) + outputFile.close() + +class ObjFile: + def __init__(self, filename, template): + self.outputFilename = filename + self.template = template + def _detectCC(self): + cc = "" + if 'CC' in os.environ: + cc = os.environ['CC'] + try: + subprocess.call(cc.split(), + stdout=subprocess.PIPE, + stderr=subprocess.PIPE) + except OSError as msg: + print("Invalid CC environment variable") + cc = "" + + else: + # Try c first, if that fails try gcc + try: + useCC = True + subprocess.call("cc", + stdout=subprocess.PIPE, + stderr=subprocess.PIPE) + except OSError as msg: + useCC = False + if useCC: + cc = "cc" + + else: + try: + useGCC = True + subprocess.call("gcc", + stdout=subprocess.PIPE, + stderr=subprocess.PIPE) + except OSError as msg: + useGCC = False + if useGCC: + cc = "gcc" + return cc + + def write(self): + cFilename = self.outputFilename.replace(".o",".c") + cc = self._detectCC() + if cc == "": + raise RuntimeError("No C Compiler detected") + if 'CPPFLAGS' in os.environ: + cppflags = " " + os.environ['CPPFLAGS'] + else: + cppflags = "" + if 'CFLAGS' in os.environ: + cflags = " " + os.environ['CFLAGS'] + else: + cflags = "" + if 'LDFLAGS' in os.environ: + ldflags = " " + os.environ['LDFLAGS'] + else: + ldflags = "" + + command = cc + " -c" + cppflags + cflags + ldflags + " -I. -llttng-ust" + " -o " + self.outputFilename + " " + cFilename + if verbose: + print("Compile command: " + command) + subprocess.call(command.split()) + +class TemplateFile: + def __init__(self, filename): + self.domain = "" + self.inputFilename = filename + self.parseTemplate() + + + def parseTemplate(self): + f = open(self.inputFilename,"r") + + self.text = f.read() + + #Remove # comments (from input and output file) but keep + # #include in the output file + removeComments = re.compile("#[^include].*$",flags=re.MULTILINE) + self.text = removeComments.sub("",self.text) + # Remove #include directive from the parsed text + removePreprocess = re.compile("#.*$",flags=re.MULTILINE) + noPreprocess = removePreprocess.sub("", self.text) + #Remove // comments + removeLineComment = re.compile("\/\/.*$",flags=re.MULTILINE) + nolinecomment = removeLineComment.sub("", noPreprocess) + #Remove all spaces and lines + cleantext = re.sub("\s*","",nolinecomment) + #Remove multine C style comments + nocomment = re.sub("/\*.*?\*/","",cleantext) + entries = re.split("TRACEPOINT_.*?",nocomment) + + for entry in entries: + if entry != '': + decomp = re.findall("(\w*?)\((\w*?),(\w*?),", entry) + typea = decomp[0][0] + domain = decomp[0][1] + name = decomp[0][2] + + if self.domain == "": + self.domain = domain + else: + if self.domain != domain: + print("Warning: different domain provided (%s,%s)" % (self.domain, domain)) + +verbose=False + +usage=""" + lttng-gen-tp - Generate the LTTng-UST header and source based on a simple template + + usage: lttng-gen-tp TEMPLATE_FILE [-o OUTPUT_FILE][-o OUTPUT_FILE] + + If no OUTPUT_FILE is given, the .h and .c file will be generated. + (The basename of the template file with be used for the generated file. + for example sample.tp will generate sample.h, sample.c and sample.o) + + When using the -o option, the OUTPUT_FILE must end with either .h, .c or .o + The -o option can be repeated multiple times. + + The template file must contains TRACEPOINT_EVENT and TRACEPOINT_LOGLEVEL + as per defined in the lttng/tracepoint.h file. + See the lttng-ust(3) man page for more details on the format. +""" +def main(argv=None): + if argv is None: + argv = sys.argv + + try: + try: + opts, args = getopt.gnu_getopt(argv[1:], "ho:av", ["help","verbose"]) + except getopt.error as msg: + raise Usage(msg) + + except Usage as err: + print(err.msg, file=sys.stderr) + print("for help use --help", file=sys.stderr) + return 2 + + outputNames = [] + for o, a in opts: + if o in ("-h", "--help"): + print(usage) + return(0) + if o in ("-o",""): + outputNames.append(a) + if o in ("-a",""): + all = True + if o in ("-v", "--verbose"): + global verbose + verbose = True + try: + if len(args) == 0: + raise Usage("No template file given") + + except Usage as err: + print(err.msg, file=sys.stderr) + print("for help use --help", file=sys.stderr) + return 2 + + doCFile = None + doHeader = None + doObj = None + headerFilename = None + cFilename = None + objFilename = None + + if len(outputNames) > 0: + if len(args) > 1: + print("Cannot process more than one input if you specify an output") + return(3) + + for outputName in outputNames: + if outputName[-2:] == ".h": + doHeader = True + headerFilename = outputName + elif outputName[-2:] == ".c": + doCFile = True + cFilename = outputName + elif outputName[-2:] == ".o": + doObj = True + objFilename = outputName + else: + print("output file type unsupported") + return(4) + else: + doHeader = True + doCFile = True + doObj = True + + # process arguments + for arg in args: + if arg[-3:] != ".tp": + print(arg + " does not end in .tp. Skipping.") + continue + + tpl = None + try: + tpl = TemplateFile(arg) + except IOError as args: + print("Cannot read input file " + args.filename + " " + args.strerror) + return -1 + try: + if doHeader: + if headerFilename: + curFilename = headerFilename + else: + curFilename = re.sub("\.tp$",".h",arg) + doth = HeaderFile(curFilename, tpl) + doth.write() + if doCFile: + if cFilename: + curFilename = cFilename + else: + curFilename = re.sub("\.tp$",".c",arg) + dotc = CFile(curFilename, tpl) + dotc.write() + if doObj: + if objFilename: + curFilename = objFilename + else: + curFilename = re.sub("\.tp$",".o",arg) + dotobj = ObjFile(curFilename, tpl) + dotobj.write() + except IOError as args: + print("Cannot write output file " + args.filename + " " + args.strerror) + return -1 + +if __name__ == "__main__": + sys.exit(main())