2011-12-14 DavidAnderson <davea42@earthlink.net>
* libdwarf.h, dwarf_error.c: Add a new error code
for DW_OP location codes.
* dwarf_loc.c: Implement support for new DW_OP_GNU codes.
2011-12-13 DavidAnderson <davea42@earthlink.net>
* dwarf.h: Added some GNU extensions.
* libdwarf.h: Added dwarf_lineoff_b() as
dwarf_lineoff() wrongly returns a signed column number.
Added dwarf_add_lineentry_b() as preparation for creating
DWARF3/4 output.
* dwarf_line.h: Added new struct fields to accomodate
DWARF3/4 isa and discriminator fields.
* dwarf_line.c: Now deals with the VLIW line calculations
in DWARF4. Adds support for computing the discriminator
and isa fields. Adds dwarf_lineoff_b() (and dwarf_lineoff
is now deprecated). Adds dwarf_prologue_end_etc() which
returns some DWARF3/4 line fields.
* dwarf_print_lines.c: Adds handling of DWARF3/4
line operations and fields and prints the details.
* libdwarf2.1.mm: Documents the new functions in dwarf_line.c
Version set to 2.02.
* libdwarf2.1.pdf: Regenerated.
* libdwarf2p.1.mm: Documents the new function
dwaf_add_line_entry_b().
Version set to 1.32.
* libdwarf2p.1.pdf: Regenerated.
* pro_incl.h: Add parentheses so the WRITE_UNALIGNED macro
works correctly in all circumtances.
* pro_opaque.h: Add DEBUG_RANGES and dEBUG_TYPES to the list
of sections we could generate. Define struct Dwarf_P_Line_Inits_s
to hold initialization values for line table data so we can later
make the choices at runtime rather than compile time.
The new struct is a field of the Dwarf_P_Debug struct.
* pro_line.h: Added some DWARF3/4 support and preparations
for emitting DWARF3/4.
* pro_line.c: Define dwarf_add_line_entry_b() for DWARF3/4
line fields, and _dwarf_init_default_line_header_vals()
to provide a default set of values, the defaults match
what was previously done.
Add support for the new DWARF3/4 line table fields.
* pro_section.c: Add the beginnings of support for creating
new DWARF3/4 sections and the new standard opcodes.
Move the field-writing code to small functions making
the line table writing smaller and easier to read.
Added the beginnings of allowing writing DWARF3/4
line table fields. Some if() missing {} were
modified by adding {} to avoid future problems.
2011-12-08 DavidAnderson <davea42@earthlink.net>
* dwarf_frame.c: Corrected a typo by adding a space
to a comment.
* libdwarf2p.1.mm: A sentence about dwarf_lne_end_sequence()
was missing its introductory words. New version is 1.31.
* libdwarf2p.1.pdf: Regenerated.
2011-11-02 DavidAnderson <davea42@earthlink.net>
* dwarf.h: Spelling fix: specfic->specific.
Rearranged a few comments about MIPS/SGI for
a better appearance.
2011-10-29 DavidAnderson <davea42@earthlink.net>
* dwarf_alloc.c: Add support for the .debug_types section.
* dwarf_arange.c,dwarf_global.c: Add commentary about
debug_info vs debug_types and a new argument to
an internal function.
* dwarf_arange.h,dwarf_global.h: Add comment that this is
debug_info related only.
* dwarf_die_deliv.c: Now handles .debug_types as well as
.debug_info, and context information for the two sections
is kept seperate.
* dwarf_elf_access.c: Add a check for relocations of .debug_types.
* dwarf_error.c: Added error strings related to .debug_types.
* dwarf_form.c: Changes for .debug_types, mainly due to removing
'info_' from certain struct member names.
* dwarf_init_finish.c: Notice the .debug_types section.
New function dwarf_get_section_max_offsets_b() returns
the size of debug_types (added to existing arguments).
* dwarf_opaque.h: Fields named *_info_* have the info_
removed as they apply to debug_types as well.
A new struct Dwarf_Debug_InfoTypes holds the data
for either of .debug_types and .debug_info sections.
Separating them so the sections can be accessed
simultaneously. Moved data items from Dwarf_Debug to
the new struct. DIE structs now have a 'is_info' field
so a CU and a DIE know whether they are from .debug_info
or .debug_types.
* dwarf_query.c: The query functions now work for
debug_info and debug_query as appropriate.
* dwarf_util.h: Added _dwarf_load_debug_types() and altered
a couple internal function prototypes with an 'is_info' flag
argument.
* dwarf_util.c: Added _dwarf_load_debug_types(). Altered
functions so the deal with .debug_types or .debug_info
as appropriate.
* libdwarf.h: Added debug_types error codes.
Added dwarf_siblingof_b() and dwarf_offdie_b() and
Added dwarf_next_cu_header_c() and
dwarf_get_cu_die_offset_given_cu_header_offset_b()
to account for .debug_types or .debug_info as required.
Added dwarf_get_die_infotypes_flag() so client code
can know if a DIE is debug_info or debug_types based.
Added dwarf_get_section_max_offsets_b(), adding
a debug_types size argument.
* libdwarf2.1.mm: Documented the new functions. New version
is 2.0 (somewhat arbitrarily changed from 1.x to 2.0)
* libdwarf2.1.pdf: Regenerated
2011-10-26 DavidAnderson <davea42@earthlink.net>
* Makefile.in, README: Added Make settings of PREINCS POSTINCS
PRELIBS, POSTLIBS to simplify building when libdwarf or libelf
are not in the normal locations. Documented usable ways to
deal with unusual situations at build time.
2011-10-09 DavidAnderson <davea42@earthlink.net> .
* dwarf_die_deliv.c, dwarf_elf_access.c: Fix bad indentation.
2011-10-05 DavidAnderson <davea42@earthlink.net> .
* dwarf_die_deliv.c: When relocations fail, record
a 'harmless error' and continue the CU loading.
No way to be sure the error is really harmless, of course.
But it seems to often be harmless.
For some if() tests add {} to make the clause extent clear.
* dwarf_harmless.c: Add a comment prefix to dwarf_harmless_init().
2011-10-03 DavidAnderson <davea42@earthlink.net>
* dwarf_line.c: Introduce {} in a test to avoid future mistakes.
2011-09-23 DavidAnderson <davea42@earthlink.net>
* dwarf_arange.c: Test for a zero address-size: that indicates
broken dwarf generation.
* dwarf_line.c: Test for irrational line number header data and
error off with DW_DLE_LINE_NUMBER_HEADER_ERROR if we find it.
Add accidentally-omitted check for version 4.
* dwarf_error.c, libdwarf.h: New error code
DW_DLE_LINE_NUMBER_HEADER_ERROR.
2011-09-16 DavidAnderson <davea42@earthlink.net>
* dwarf_elf_access.c: Give up relocating if the Elf symtab
header sh_entrysize is zero, and refine the test for
invalid symbol index to be a >= test.
* dwarf_error.c: Define text message for
DW_DLE_SYMTAB_SECTION_ENTRYSIZE_ZERO.
* libdwarf.h: New error code DW_DLE_SYMTAB_SECTION_ENTRYSIZE_ZERO.
2011-09-15 DavidAnderson <davea42@earthlink.net>
* dwarf_elf_access.c: Adding fields to the object
structs dwarf uses and using them for error checks
when processing relocations.
* dwarf_error.c: Adding descriptions of new error messages
for Elf object file interpretation problems.
* dwarf_init_finish.c: Adding 'entrysize' field about objects
do dwarf_elf_access.c can check for object and relocation
data errors and avoid a coredump. And we memset() a struct
to ensure there are no uninitialized contents.
* dwarf_opaque.h: Adding new dss_entrysize and
dss_reloc_entrysize fields so elf error
checks can be added to dwarf_elf_access.c. These changes mean
you must recompile all of libdwarf source, not
just a subset, when rebuilding (the first time one sees this change).
* libdwarf.h: Adding entrysize element to Dwarf_Obj_Access_Section_s.
Non-elf object formats can just set this field zero and ignore it.
Added new elf-specific error codes for the new checks in
dwarf_elf_access.c.
2011-09-14 DavidAnderson <davea42@earthlink.net>
* BLDLIBDWARFTAR: Moved a local disk file. Irrelevant
to everyone but DA.
* dwarf_arange.c: check that the address_size and segment
selector size fields are sensible.
* dwarf_die_deliv.c,dwarf_frame2.c: Give
DW_DLE_ADDRESS_SIZE_ERROR or DW_DLE_CU_ADDRESS_SIZE_BAD
if the address size read from a section is obviously wrong.
Similarly for a bad segment-selector-size give
DW_DLE_SEGMENT_SIZE_BAD.
* dwarf_error.c: Added text for the DW_DLE_SEGMENT_SIZE_BAD
error.
* dwarf_frame.c: If dwarf_set_default_address_size() is handed
an address_size that we cannot handle, ignore the input so
we don't wind up coredumping the library or consumer code.
* libdwarf2.1.mm: Updated list of error codes a little bit. Rev 1.99
* libdwarf2.1.pdf: Regenerated.
2011-09-08 DavidAnderson <davea42@earthlink.net>
* dwarf_frame.c: Fixed bad indents.
2011-09-02 DavidAnderson <davea42@earthlink.net>
* libdwarf2.1.mm: Document the new function
dwarf_set_default_address_size(). Updated revision to 1.97.
* libdwarf2.1.pdf: Regenerated.
* dwarf_frame.c: Implement dwarf_set_default_address_size().
* libdwarf.h: Declare the new function dwarf_set_default_address_size().
* dwarf_form.c(dwarf_formref): Removed c99-ish
declaration so C90 can compile the code.
* Makefile.in, configure.in: If building shared lib
CFLAGS gets -fPIC added in.
* configure: Fegenerated.
* dwarf_loc.c: New test returns DW_DLE_LOC_BAD_TERMINATION
in case of compiler bug in location expression.
* dwarf_error.c, libdwarf.h: Define and document the new
error.
* pro_opaque.h: Fixed a bad indent.
2011-06-12 DavidAnderson <davea42@earthlink.net>
* libdwarf.h: Added dwarf_producer_init_c() and its
callback functions. Adds a user_data void* to the
init and callback functions for user convenience.
* libdwarf2p.1.m: Documented dwarf_producer_init_c().
Rev 1.30.
* libdwarf2p.1.pdf: Regenerated
* pro_init.c: Implement dwarf_producer_init_c().
* pro_opaque.h: Add fields for dwarf_producer_init_c().
* pro_reloc_stream.c: Implement dwarf_producer_init_c() callback.
* pro_reloc_symbolic.c: Implement dwarf_producer_init_c() callback.
* pro_section.c: Implement dwarf_producer_init_c() callback.
2011-06-09 DavidAnderson <davea42@earthlink.net>
* dwarf_form.c: Code getting access to CU context and
dbg was repeated many times. Refactored the common
code into a file-static subprogram.
2011-06-08 DavidAnderson <davea42@earthlink.net>
* libdwarf2.1.mm,libdwarf2.1.pdf: Now discusses
DW_AT_data_member_location in the context
if dwarf_loclist_n(). Rev 1.96
2011-06-08 DavidAnderson <davea42@earthlink.net>
* dwarf_init_finish.c: Inserted missing include of
dwarf_harmless.h.
2011-06-07 DavidAnderson <davea42@earthlink.net>
* dwarf_elf_access.c: Added EM_QUALCOMM_DSP6
machine so that relocations work on a
Qualcomm relocatable object in the dwarf regressiontests.
* dwarf_util.c: Fixed indent problems added in previous
change.
2011-06-07 DavidAnderson <davea42@earthlink.net>
* dwarf_util.c(_dwarf_get_abbrev_for_code): If there is no
section padding the code could read-from-memory
one past the end of the section
which could (in very rare circumstances) coredump
an application. In addition, earlier in the same funcion
we did not account for the case where we had already read to
end of section. Both fixed.
2011-06-06 DavidAnderson <davea42@earthlink.net>
* dwarf_error.c: Fix a typo in an error string.
* dwarf_query.c: Implement the new function
dwarf_get_verion_of_die().
* libdwarf.h: Add prototype for dwarf_get_verion_of_die().
* libdwarf2.1.mm: for dwarf_form_{s,u}data, mention
the DW_FORM_data{4,8} class ambiguity.
Document the new function dwarf_get_verion_of_die().
Document version now 1.95.
* libdwarf2.1.pdf: Regenerate.
2011-06-04 DavidAnderson <davea42@earthlink.net>
* NEWS: Mention the non-elf documentation oversight.
* dwarf_arange.c,dwarf_elf_access.c, dwarf_frame3.c,
dwarf_funcs.c,dwarf_global.c,dwarf_init_finish.c,
dwarf_line.c,dwarf_loc.c,dwarf_macro.c,dwarf_print_lines.c,
dwarf_pubtypes.c,dwarf_query.c,dwarf_ranges.c,dwarf_string.c,
dwarf_types.c,dwarf_vars.c, dwarf_weaks.c: Everything loading
a section now checks the result for 'empty' and returns
DW_DLV_NO_ENTRY explicitly. This makes it easier to
do nothing safely when there is no data.
2011-06-04 DavidAnderson <davea42@earthlink.net>
* dwarf_line.c (_dwarf_internal_srclines): Created new local functions
to unify some repeated code in into function calls. One of the
earlier inline-repetitions was coded wrong. Added {} to ensure clarity
on the intended scope a couple places. Added initializers to
a couple of local variables.
2011-06-04 DavidAnderson <davea42@earthlink.net>
* dwarf_alloc.c: Added include "dwarf_harmless.h" so
a prototype is visible here.
* dwarf_form.c (dwarf_convert_to_global_offset,dwarf_global_formref): Deleted unused local variables.
* dwarf_frame.c (dwarf_initialize_fde_table): Uses local instead
of ignoring it (avoids compiler warning).
* dwarf_frame2.c (_dwarf_get_fde_list_internal): Delete unused
local variable.
* dwarf_line.c (dwarf_srcfiles): Call uses variable expected
signedness now, avoiding compiler warning.
* dwarf_print_lines.c: Printf was missing %, gcc -Wall pointed
out the mistake.
2011-04-23 DavidAnderson <davea42@earthlink.net>
* pro_error.c (_dwarf_p_error): The code attempting to deal with
an unexpected error code was doing an inappropriate cast and
an inappropriate (possibly out-of-bounds) reference to an array
of strings. Removed the cast and removed the questionable
array reference.
* dwarf_frame.c: A couple lines were indented badly. Fixed the indentation.
* pro_line.h: Now __x86_64 also gets MIN_INST_LENGTH 1
2011-03-29 DavidAnderson <davea42@earthlink.net>
* everything: Redid all indentations for
consistency. Updated copyrights. Interfaces
did not change, existing clients should not
encounter difficulty.
2011-03-13 DavidAnderson <davea42@earthlink.net>
* libdwarf.h, dwarf_error.c: Added
DW_DLE_DEBUG_FRAME_POSSIBLE_ADDRESS_BOTCH.
2011-01-20 DavidAnderson <davea42@earthlink.net>
* dwarf.h: Added some Apple attribute extensions.
2011-01-13 DavidAnderson <davea42@earthlink.net>
* dwarf_print_lines.c: Handles DW_FORM_exprloc now. With -vvv
it now prints the dwarf version of the line table header.
* dwarf_line.c: Handles DW_FORM_exprloc now.
2011-01-13 DavidAnderson <davea42@earthlink.net>
* libdwarf.h: Added new function dwarf_get_die_address_size().
* libdwarf2.1.mm: Documented new function dwarf_get_die_address_size().
Rev 1.91, 12 January 2011
* libdwarf2.1.pdf: Regenerated.
* dwarf_form.c: Corrected handling of DW_FORM_exprloc.
* dwarf_query.c: Implemented dwarf_get_die_address_size().
Corected handling of DW_FORM_exprloc.
* dwarf_util.c: Added handling of DW_FORM_exprloc and
DW_FORM_flag_present.