# Copyright (C) 1991-2018 Free Software Foundation, Inc.

# This file is part of the GNU C Library.

# The GNU C 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.

# The GNU C 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 the GNU C Library; if not, see

# <http://www.gnu.org/licenses/>.

#

#	Makefile for malloc routines

#

subdir	:= malloc

include ../Makeconfig

dist-headers := malloc.h

headers := $(dist-headers) obstack.h mcheck.h

tests := mallocbug tst-malloc tst-valloc tst-calloc tst-obstack \

	 tst-mcheck tst-mallocfork tst-trim1 \

	 tst-malloc-usable tst-realloc tst-reallocarray tst-posix_memalign \

	 tst-pvalloc tst-memalign tst-mallopt \

	 tst-malloc-backtrace tst-malloc-thread-exit \

	 tst-malloc-thread-fail tst-malloc-fork-deadlock \

	 tst-mallocfork2 \

	 tst-interpose-nothread \

	 tst-interpose-thread \

	 tst-alloc_buffer \

	 tst-malloc-tcache-leak \

	 tst-malloc_info \

	 tst-malloc-too-large \

	 tst-malloc-stats-cancellation \

	 tst-tcfree1 tst-tcfree2 tst-tcfree3 \

tests-static := \

	 tst-interpose-static-nothread \

	 tst-interpose-static-thread \

	 tst-malloc-usable-static \

tests-internal := tst-mallocstate tst-scratch_buffer

# The dynarray framework is only available inside glibc.

tests-internal += \

	 tst-dynarray \

	 tst-dynarray-fail \

	 tst-dynarray-at-fail \

ifneq (no,$(have-tunables))

tests += tst-malloc-usable-tunables tst-mxfast

tests-static += tst-malloc-usable-static-tunables

endif

tests += $(tests-static)

test-srcs = tst-mtrace

routines = malloc morecore mcheck mtrace obstack reallocarray \

  scratch_buffer_grow scratch_buffer_grow_preserve \

  scratch_buffer_set_array_size \

  dynarray_at_failure \

  dynarray_emplace_enlarge \

  dynarray_finalize \

  dynarray_resize \

  dynarray_resize_clear \

  alloc_buffer_alloc_array \

  alloc_buffer_allocate \

  alloc_buffer_copy_bytes  \

  alloc_buffer_copy_string \

  alloc_buffer_create_failure \

install-lib := libmcheck.a

non-lib.a := libmcheck.a

# Additional library.

extra-libs = libmemusage

extra-libs-others = $(extra-libs)

# Helper objects for some tests.

extra-tests-objs += \

  tst-interpose-aux-nothread.o \

  tst-interpose-aux-thread.o \

test-extras = \

  tst-interpose-aux-nothread \

  tst-interpose-aux-thread \

libmemusage-routines = memusage

libmemusage-inhibit-o = $(filter-out .os,$(object-suffixes))

$(objpfx)tst-malloc-backtrace: $(shared-thread-library)

$(objpfx)tst-malloc-thread-exit: $(shared-thread-library)

$(objpfx)tst-malloc-thread-fail: $(shared-thread-library)

$(objpfx)tst-malloc-fork-deadlock: $(shared-thread-library)

$(objpfx)tst-malloc-stats-cancellation: $(shared-thread-library)

# Export the __malloc_initialize_hook variable to libc.so.

LDFLAGS-tst-mallocstate = -rdynamic

# These should be removed by `make clean'.

extra-objs = mcheck-init.o libmcheck.a

others-extras = mcheck-init.o

# Include the cleanup handler.

aux := set-freeres thread-freeres

# The Perl script to analyze the output of the mtrace functions.

ifneq ($(PERL),no)

install-bin-script = mtrace

generated += mtrace

# The Perl script will print addresses and to do this nicely we must know

# whether we are on a 32 or 64 bit machine.

ifneq ($(findstring wordsize-32,$(config-sysdirs)),)

address-width=10

else

address-width=18

endif

endif

# Unless we get a test for the availability of libgd which also works

# for cross-compiling we disable the memusagestat generation in this

# situation.

ifneq ($(cross-compiling),yes)

# If the gd library is available we build the `memusagestat' program.

ifneq ($(LIBGD),no)

others: $(objpfx)memusage

others += memusagestat

install-bin = memusagestat

install-bin-script += memusage

generated += memusagestat memusage

extra-objs += memusagestat.o

# The configure.ac check for libgd and its headers did not use $SYSINCLUDES.

# The directory specified by --with-headers usually contains only the basic

# kernel interface headers, not something like libgd.  So the simplest thing

# is to presume that the standard system headers will be ok for this file.

$(objpfx)memusagestat.o: sysincludes = # nothing

endif

endif

# Another goal which can be used to override the configure decision.

.PHONY: do-memusagestat

do-memusagestat: $(objpfx)memusagestat

memusagestat-modules = memusagestat

cpp-srcs-left := $(memusagestat-modules)

lib := memusagestat

include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))

LDLIBS-memusagestat = $(libgd-LDFLAGS) -lgd -lpng -lz -lm

ifeq ($(run-built-tests),yes)

ifeq (yes,$(build-shared))

ifneq ($(PERL),no)

tests-special += $(objpfx)tst-mtrace.out

tests-special += $(objpfx)tst-dynarray-mem.out

tests-special += $(objpfx)tst-dynarray-fail-mem.out

endif

endif

endif

include ../Rules

CFLAGS-mcheck-init.c += $(PIC-ccflag)

CFLAGS-obstack.c += $(uses-callbacks)

$(objpfx)libmcheck.a: $(objpfx)mcheck-init.o

	-rm -f $@

	$(patsubst %/,cd % &&,$(objpfx)) \

	$(LN_S) $(

lib: $(objpfx)libmcheck.a

ifeq ($(run-built-tests),yes)

ifeq (yes,$(build-shared))

ifneq ($(PERL),no)

$(objpfx)tst-mtrace.out: tst-mtrace.sh $(objpfx)tst-mtrace

	$(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \

		 '$(run-program-env)' '$(test-program-prefix-after-env)' > $@; \

	$(evaluate-test)

endif

endif

endif

tst-mcheck-ENV = MALLOC_CHECK_=3

tst-malloc-usable-ENV = MALLOC_CHECK_=3

tst-malloc-usable-static-ENV = $(tst-malloc-usable-ENV)

tst-malloc-usable-tunables-ENV = GLIBC_TUNABLES=glibc.malloc.check=3

tst-malloc-usable-static-tunables-ENV = $(tst-malloc-usable-tunables-ENV)

tst-mxfast-ENV = GLIBC_TUNABLES=glibc.malloc.tcache_count=0:glibc.malloc.mxfast=0

ifeq ($(experimental-malloc),yes)

CPPFLAGS-malloc.c += -DUSE_TCACHE=1

else

CPPFLAGS-malloc.c += -DUSE_TCACHE=0

endif

# Uncomment this for test releases.  For public releases it is too expensive.

#CPPFLAGS-malloc.o += -DMALLOC_DEBUG=1

sLIBdir := $(shell echo $(slibdir) | sed 's,lib\(\|64\)$$,\\\\$$LIB,')

$(objpfx)mtrace: mtrace.pl

	rm -f $@.new

	sed -e 's|@PERL@|$(PERL)|' -e 's|@XXX@|$(address-width)|' \

	    -e 's|@VERSION@|$(version)|' \

	    -e 's|@PKGVERSION@|$(PKGVERSION)|' \

	    -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \

	&& rm -f $@ && mv $@.new $@ && chmod +x $@

$(objpfx)memusage: memusage.sh

	rm -f $@.new

	sed -e 's|@BASH@|$(BASH)|' -e 's|@VERSION@|$(version)|' \

	    -e 's|@SLIBDIR@|$(sLIBdir)|' -e 's|@BINDIR@|$(bindir)|' \

	    -e 's|@PKGVERSION@|$(PKGVERSION)|' \

	    -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \

	&& rm -f $@ && mv $@.new $@ && chmod +x $@

# The implementation uses `dlsym'

$(objpfx)libmemusage.so: $(libdl)

# Extra dependencies

$(foreach o,$(all-object-suffixes),$(objpfx)malloc$(o)): arena.c hooks.c

# Compile the tests with a flag which suppresses the mallopt call in

# the test skeleton.

$(tests:%=$(objpfx)%.o): CPPFLAGS += -DTEST_NO_MALLOPT

$(objpfx)tst-interpose-nothread: $(objpfx)tst-interpose-aux-nothread.o

$(objpfx)tst-interpose-thread: \

  $(objpfx)tst-interpose-aux-thread.o $(shared-thread-library)

$(objpfx)tst-interpose-static-nothread: $(objpfx)tst-interpose-aux-nothread.o

$(objpfx)tst-interpose-static-thread: \

  $(objpfx)tst-interpose-aux-thread.o $(static-thread-library)

tst-dynarray-ENV = MALLOC_TRACE=$(objpfx)tst-dynarray.mtrace

$(objpfx)tst-dynarray-mem.out: $(objpfx)tst-dynarray.out

	$(common-objpfx)malloc/mtrace $(objpfx)tst-dynarray.mtrace > $@; \

	$(evaluate-test)

tst-dynarray-fail-ENV = MALLOC_TRACE=$(objpfx)tst-dynarray-fail.mtrace

$(objpfx)tst-dynarray-fail-mem.out: $(objpfx)tst-dynarray-fail.out

	$(common-objpfx)malloc/mtrace $(objpfx)tst-dynarray-fail.mtrace > $@; \

	$(evaluate-test)

$(objpfx)tst-malloc-tcache-leak: $(shared-thread-library)

$(objpfx)tst-malloc_info: $(shared-thread-library)