Commit Graph

45 Commits

Author SHA1 Message Date
Alan Modra 6f2750feaf Copyright update for binutils 2016-01-01 23:00:01 +10:30
H.J. Lu dab394de9e Don't add the zlib header to SHF_COMPRESSED section
In a SHF_COMPRESSED compressed section, the raw compressed data should
begin immediately after the compression header.  This patch removes the
extra zlib header from the SHF_COMPRESSED section.

bfd/

	* bfd.c (bfd_update_compression_header): Also write the zlib
	header if the SHF_COMPRESSED bit cleared..
	(bfd_check_compression_header): Return the uncompressed size.
	* compress.c (decompress_contents): Don't skip the zlib header.
	(bfd_compress_section_contents): Properly handle ELFCOMPRESS_ZLIB,
	which doesn't have the zlib header.
	(bfd_init_section_decompress_status): Likewise.
	(bfd_get_full_section_contents): Updated.
	(bfd_is_section_compressed): Likewise.
	(bfd_is_section_compressed_with_header): Return the uncompressed
	size.
	* elf.c (_bfd_elf_make_section_from_shdr): Updated.
	* bfd-in2.h: Regenerated.

binutils/

	* readelf.c (uncompress_section_contents): Add a parameter for
	uncompressed size.  Don't check the zlib header.
	(load_specific_debug_section): Updated.

binutils/testsuite/

	* binutils-all/compress.exp: Replace "$OBJDUMP -s -j .debug_info"
	with "$OBJDUMP -W".
	* binutils-all/libdw2-compressedgabi.out: Updated.

gas/

2015-05-14  H.J. Lu  <hongjiu.lu@intel.com>

	* write.c (compress_debug): Don't write the zlib header, which
	is handled by bfd_update_compression_header.
2015-05-14 16:02:08 -07:00
Nick Clifton de13ef81f0 Fix compile time warning messages about variables being used before they are initialised.
PR 18313
bin	* ieee.c (ieee_read_cxx_class): Initialise the varargs variable.
	* readelf.c (uncompress_section_contents): Zero initialise the
	zstream structure.

bfd	* compress.c (decompress_contents): Zero initialse the z_stream
	structure.
2015-04-24 17:13:22 +01:00
H.J. Lu 3e19fb8f99 Delay setting up compressed debug section names
When we set up st_name for output section name in elf_fake_sections, we
don't know if the compressed DWARF debug section will be smaller. We may
end up with compressed DWARF debug sections which are bigger than the
uncompressed ones.  This patch delays setting up st_name for output DWARF
debug section to _bfd_elf_assign_file_positions_for_non_load which will
compress the output debug section.  We also postpone placement of shstrtab
section after DWARF debug sections have been compressed.  The net effect
is .shstrtab section is now placed after .symtab and .strtab sections.

bfd/

	PR ld/18277
	* compress.c (bfd_compress_section_contents): Remove the
	write_compress argument.
	(bfd_init_section_compress_status): Updated.
	(bfd_compress_section): Likewise.
	* elf.c (_bfd_elf_set_reloc_sh_name): New.
	(_bfd_elf_init_reloc_shdr): Add delay_st_name_p.  Set sh_name
	to (unsigned int) -1 if delay_st_name_p is TRUE.  Use
	_bfd_elf_set_reloc_sh_name.
	(elf_fake_sections): Don't rename DWARF debug section for
	linker output if it will be compressed.  Instead, set
	delay_st_name_p to TRUE and pass it to _bfd_elf_init_reloc_shdr.
	(assign_section_numbers): Call _bfd_elf_strtab_addref only if
	sh_name != (unsigned int) -1.  Don't finalize nor assign
	shstrtab section here.  Delay setting output section names to
	_bfd_elf_write_object_contents.
	(_bfd_elf_compute_section_file_positions): Update comments on
	sh_offset for shstrtab section.
	(assign_file_positions_for_non_load_sections): Set sh_offset to
	-1 for shstrtab section.
	(assign_file_positions_except_relocs): Likewise.
	(_bfd_elf_assign_file_positions_for_non_load): Set up sh_name
	when compressing DWARF debug sections.  Place shstrtab section
	after DWARF debug sections have been compressed.
	(_bfd_elf_write_object_contents): Setting sh_name for output
	sections.

ld/testsuite/

	PR ld/18277
	* ld-elf/compressed1d.d: New.
	* ld-elf/compressed1e.d: Likewise.
2015-04-23 16:37:56 -07:00
H.J. Lu 0ce398f106 Add --compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi]
This patch adds --compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi]
to ld for ELF targets to support generating compressed DWARF debug
sections.  We always generate .zdebug_* section since section names have
been finalized and they can't be changed easily when compression is
being performed.

bfd/

	* bfd-in.h (compressed_debug_section_type): New.
	* compress.c (bfd_compress_section_contents): Add an argument
	for linker write compression and always generate .zdebug_*
	section when linking.
	(bfd_init_section_compress_status): Pass FALSE to
	bfd_compress_section_contents.
	(bfd_compress_section): New function.
	* elf.c (elf_fake_sections): For linking, set SEC_ELF_COMPRESS
	on DWARF debug sections if COMPRESS_DEBUG is set and rename
	section if COMPRESS_DEBUG_GABI_ZLIB isn't set.
	(assign_file_positions_for_non_load_sections): Set sh_offset
	to -1 if SEC_ELF_COMPRESS is set.
	(assign_file_positions_except_relocs): Likwise.
	(_bfd_elf_assign_file_positions_for_relocs): Renamed to ...
	(_bfd_elf_assign_file_positions_for_non_load): This.  Change
	return time to bfd_boolean.  Compress the section if
	SEC_ELF_COMPRESS is set.
	(_bfd_elf_write_object_contents): Updated.
	(_bfd_elf_set_section_contents): Write section contents to
	the buffer if SEC_ELF_COMPRESS is set.
	* merge.c: Include "elf-bfd.h".
	(sec_merge_emit): Add arguments for contents and offset.  Write
	to contents with offset if contents isn't NULL.
	(_bfd_write_merged_section): Write section contents to the
	buffer if SEC_ELF_COMPRESS is set.  Pass contents and
	output_offset to sec_merge_emit.
	* elflink.c (bfd_elf_final_link): Allocate the buffer for
	output section contents if SEC_ELF_COMPRESS is set.
	* section.c (SEC_ELF_COMPRESS): New.
	* bfd-in2.h: Regenerated.

gas/

	* as.h (compressed_debug_section_type): Removed.

include/

	* bfdlink.h (bfd_link_info): Add compress_debug.

ld/

	* ld.texinfo: Document --compress-debug-sections=.
	* ldmain.c (main): Set BFD_COMPRESS on output_bfd if
	COMPRESS_DEBUG is set.  Set BFD_COMPRESS_GABI on output_bfd
	for COMPRESS_DEBUG_GABI_ZLIB.
	* lexsup.c (elf_static_list_options): Add
	--compress-debug-sections=.
	* emultempl/elf32.em (OPTION_COMPRESS_DEBUG): New.
	(xtra_long): Add "compress-debug-sections".
	(gld${EMULATION_NAME}_handle_option): Handle
	OPTION_COMPRESS_DEBUG.

ld/testsuite/

	* ld-elf/compress.exp (build_tests): Add tests for
	--compress-debug-sections=.
	(run_tests): Likewise.
	Add additonal tests for --compress-debug-sections=.
	* ld-elf/gabiend.rt: New file.
	* ld-elf/gabinormal.rt: Likewise.
	* ld-elf/gnubegin.rS: Likewise.
	* ld-elf/gnunormal.rS: Likewise.
	* ld-elf/zlibbegin.rS: Likewise.
	* ld-elf/zlibnormal.rS: Likewise.
2015-04-14 22:01:38 -07:00
H.J. Lu 030aeb7599 Use bfd_alloc for compressed section contents
Compressed section contents should be bfd_alloced to avoid memory leak.
This patch replaces bfd_malloc and free with bfd_alloc and bfd_release
on compressed buffer in bfd_compress_section_contents.  There is still
a very small memory leak when compressed section isn't smaller.

	* compress.c (bfd_compress_section_contents): Replace bfd_malloc
	and free with bfd_alloc and bfd_release on compressed buffer.
	Release buffer if compressed section isn't smaller.
2015-04-10 03:54:41 -07:00
H.J. Lu 18ece1defb Update comments in compress.c
* compress.c (bfd_compress_section_contents): Update comments.
	(bfd_init_section_decompress_status): Likewise.
	(bfd_init_section_compress_status): Likewise.
2015-04-09 12:48:49 -07:00
H.J. Lu 5150992626 Work around a GCC uninitialized warning bug
* compress.c (bfd_compress_section_contents): Work around a GCC
	uninitialized warning bug fixed in GCC 4.7.
2015-04-08 09:27:27 -07:00
H.J. Lu 151411f8af Add SHF_COMPRESSED support to gas and objcopy
This patch adds --compress-debug-sections={none|zlib|zlib-gnu|zlib-gabi}
options to gas and objcopy for ELF files. They control how DWARF debug
sections are compressed.  --compress-debug-sections=none is equivalent to
--nocompress-debug-sections.  --compress-debug-sections=zlib and
--compress-debug-sections=zlib-gnu are equivalent to
--compress-debug-sections.  --compress-debug-sections=zlib-gabi compresses
DWARF debug sections with SHF_COMPRESSED from the ELF ABI.  No linker
changes are required to support SHF_COMPRESSED.

bfd/

	* archive.c (_bfd_get_elt_at_filepos): Also copy BFD_COMPRESS_GABI
	bit.
	* bfd.c (bfd::flags): Increase size to 18 bits.
	(BFD_COMPRESS_GABI): New.
	(BFD_FLAGS_SAVED): Add BFD_COMPRESS_GABI.
	(BFD_FLAGS_FOR_BFD_USE_MASK): Likewise.
	(bfd_update_compression_header): New fuction.
	(bfd_check_compression_header): Likewise.
	(bfd_get_compression_header_size): Likewise.
	(bfd_is_section_compressed_with_header): Likewise.
	* compress.c (MAX_COMPRESSION_HEADER_SIZE): New.
	(bfd_compress_section_contents): Return the uncompressed size if
	the full section contents is compressed successfully.  Support
	converting from/to .zdebug* sections.
	(bfd_get_full_section_contents): Call
	bfd_get_compression_header_size to get compression header size.
	(bfd_is_section_compressed): Renamed to ...
	(bfd_is_section_compressed_with_header): This.  Add a pointer
	argument to return compression header size.
	(bfd_is_section_compressed): Use it.
	(bfd_init_section_decompress_status): Call
	bfd_get_compression_header_size to get compression header size.
	Return FALSE if uncompressed section size is 0.
	* elf.c (_bfd_elf_make_section_from_shdr): Support converting
	from/to .zdebug* sections.
	* bfd-in2.h: Regenerated.

binutils/

	* objcopy.c (do_debug_sections): Add compress_zlib,
	compress_gnu_zlib and compress_gabi_zlib.
	(copy_options): Use optional_argument on compress-debug-sections.
	(copy_usage): Update --compress-debug-sections.
	(copy_file): Handle compress_zlib, compress_gnu_zlib and
	compress_gabi_zlib.
	(copy_main): Handle
	--compress-debug-sections={none|zlib|zlib-gnu|zlib-gabi}.
	* doc/binutils.texi: Document
	--compress-debug-sections={none|zlib|zlib-gnu|zlib-gabi}.

binutils/testsuite/

	* compress.exp: Add tests for
	--compress-debug-sections={none|zlib|zlib-gnu|zlib-gabi}.
	* binutils-all/dw2-3.rS: New file.
	* binutils-all/dw2-3.rt: Likewise.
	* binutils-all/libdw2-compressedgabi.out: Likewise.

gas/

	* as.c (show_usage): Update --compress-debug-sections.
	(std_longopts): Use optional_argument on compress-debug-sections.
	(parse_args): Handle
	--compress-debug-sections={none|zlib|zlib-gnu|zlib-gabi}.
	* as.h (compressed_debug_section_type): New.
	(flag_compress_debug): Change type to compressed_debug_section_type.
	--compress-debug-sections={none|zlib|zlib-gnu|zlib-gabi}.
	* write.c (compress_debug): Set BFD_COMPRESS_GABI for
	--compress-debug-sections=zlib-gabi.  Call
	bfd_get_compression_header_size to get compression header size.
	Don't rename section name for --compress-debug-sections=zlib-gabi.
	* config/tc-i386.c (compressed_debug_section_type): Set to
	COMPRESS_DEBUG_ZLIB.
	* doc/as.texinfo: Document
	--compress-debug-sections={none|zlib|zlib-gnu|zlib-gabi}.

gas/testsuite/

	* gas/i386/dw2-compressed-1.d: New file.
	* gas/i386/dw2-compressed-2.d: Likewise.
	* gas/i386/dw2-compressed-3.d: Likewise.
	* gas/i386/x86-64-dw2-compressed-2.d: Likewise.
	* gas/i386/i386.exp: Run dw2-compressed-2, dw2-compressed-1,
	dw2-compressed-3 and x86-64-dw2-compressed-2.

ld/testsuite/

	* ld-elf/compress.exp: Add a test for
	--compress-debug-sections=zlib-gabi.
	(build_tests): Add 2 tests for --compress-debug-sections=zlib-gabi.
	(run_tests): Likewise.
	Verify linker output with zlib-gabi compressed debug input.
	* ld-elf/compressed1a.d: New file.
	* ld-elf/compressed1b.d: Likewise.
	* ld-elf/compressed1c.d: Likewise.
2015-04-08 07:54:09 -07:00
H.J. Lu 4aa90cc007 Use bfd_putb64/bfd_getb64
bfd/

	* compress.c (get_uncompressed_size): Removed.
	(bfd_compress_section_contents): Use bfd_putb64 to write
	uncompressed section size.
	(bfd_init_section_decompress_status): Replace
	get_uncompressed_size with bfd_getb64.

gas/

	* write.c (compress_debug): Use bfd_putb64 to write uncompressed
	section size.
2015-04-06 09:02:52 -07:00
H.J. Lu 906bacc0ea Replace uncompressed_size_buffer with compressed_size_buffer 2015-04-04 07:52:55 -07:00
H.J. Lu 8bed4e0f7b Extract get_uncompressed_size
* compress.c (get_uncompressed_size): New.  Extracted from ...
	(bfd_init_section_decompress_status): This.  Use it.
2015-04-04 07:49:35 -07:00
H.J. Lu 243340ad57 Add --with-system-zlib in bfd
This patch adds --with-system-zlib and remove --with-zlib in bfd.

	* Makefile.am (ZLIB): New.
	(ZLIBINC): Likewise.
	(AM_CFLAGS): Add $(ZLIBINC).
	(libbfd_la_LIBADD): Add $(ZLIB).
	* compress.c: Don't check HAVE_ZLIB_H to include <zlib.h>.
	(decompress_contents): Don't check HAVE_ZLIB_H.
	(decompress_contents): Likewise.
	(bfd_compress_section_contents): Likewise.
	(bfd_get_full_section_contents): Likewise.
	(bfd_init_section_decompress_status): Likewise.
	(bfd_init_section_compress_status): Likewise.
	* configure.ac (AM_ZLIB): Removed
	(zlibdir): New.  AC_SUBST.
	(zlibinc): Likewise.
	Add --with-system-zlib.
	* Makefile.in: Regenerated.
	* acinclude.m4: Likewise.
	* config.in: Likewise.
	* configure: Likewise.
	* doc/Makefile.in: Likewise.
2015-03-29 07:13:00 -07:00
H.J. Lu 8d00121477 Don't write the zlib header if not used
No need to write the zlib header if compression didn't make the section
smaller.

	PR binutils/18087
	* compress.c (bfd_compress_section_contents): Don't write the
	zlib header and set contents as well as compress_status if
	compression didn't make the section smaller.
	(bfd_init_section_compress_status): Don't check compression
	size here.
2015-03-24 13:27:52 -07:00
Nick Clifton e2575e05e7 Fix building and testing dwarf debug section compression feature when zlib is not available.
PR gas/18087
gas/test	* gas/i386/dw2-compress-1.d: Allow the test to pass regardless of
	whether the .debug_info section was compressed on not.

bfd	* compress.c (bfd_compress_section_contents): Do not define this
	function if it is not used.
2015-03-19 12:14:56 +00:00
H.J. Lu 0b0732e13a Make bfd_compress_section_contents static
* compress.c (bfd_compress_section_contents): Make it static.
	* bfd/bfd-in2.h: Regenerated.
2015-03-18 11:20:06 -07:00
Jon Turney 273a49858f Fix debug section compression so that it is only performed if it would make the section smaller.
PR binutils/18087
gas	* doc/as.texinfo: Note that when gas compresses debug sections the
	compression is only performed if it makes the section smaller.
	* write.c (compress_debug): Do not compress a debug section if
	doing so would make it larger.

tests	* gas/i386/dw2-compress-1.d: Do not expect the .debug_abbrev or
	.debug_info sections to be compressed.

binu	* doc/binutils.texi: Note that when objcopy compresses debug
	sections the compression is only performed if it makes the section
	smaller.

bfd	* coffgen.c (make_a_section_from_file): Only prepend a z to a
	debug section's name if the section was actually compressed.
	* elf.c (_bfd_elf_make_section_from_shdr): Likewise.
	* compress.c (bfd_init_section_compress_status): Do not compress
	the section if doing so would make it bigger.  In such cases leave
	the section alone and return COMPRESS_SECTION_NONE.
2015-03-18 15:47:13 +00:00
Alan Modra b90efa5b79 ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
Nick Clifton db6b071a97 Fix memory access problems exposed by fuzzed binaries.
PR binutils/17512
	* objdump.c (free_debug_section): Reset the compress_status as
	well.

	* compress.c (bfd_get_full_section_contents): Fail if there are no
	section contents available when the compress_status is
	COMPRESS_SECTION_DONE.
	* libbfd.c (bfd_malloc): Refuse to allocate a negative size.
	(bfd_malloc2): Use bfd_malloc.
	(bfd_realloc): Refuse to reallocate a negative size.
	(bfd_realloc2): Use bfd_realloc.
	(bfd_realloc_or_free): Use bfd_realloc.
	(bfd_zmalloc): Use bfd_malloc.
	(bfd_zmalloc): Use bfd_malloc2.
	* opncls.c (bfd_alloc): Refuse to allocate a negative size.
2014-12-03 19:50:48 +00:00
Nick Clifton 06614111d1 More fixes for memory access violations exposed by fuzzed binaries.
PR binutils/17512
	* dwarf.h (struct dwarf_section): Add user_data field.
	* dwarf.c (frame_need_space): Check for an over large register
	number.
	(display_debug_frames): Check the return value from
	frame_need_space.  Check for a CFA expression that is so long the
	start address wraps around.
	(debug_displays): Initialise the user_data field.
	* objdump.c (load_specific_debug_section): Save the BFD section
	pointer in the user_data field of the dwarf_section structure.
	(free_debug_section): Update BFD section data when freeing section
	contents.
	* readelf.c (load_specific_debug_section): Initialise the
	user_data field.

	* archive.c (do_slurp_coff_armap): Add range checks to prevent
	running off the end of the string table.
	* compress.c (bfd_get_full_section_contents): Return a NULL
	pointer for zero sized sections.  Do not attempt to copy a buffer
	onto itself.
	* elf-attrs.c (_bfd_elf_parse_attributes): Check for an empty
	header.  Add range checks to avoid running off the end of the
	section.
	* elf.c (bfd_elf_get_str_section): Seek before allocating so that
	if the seek fails, no memory is allocated.
	(bfd_elf_string_from_elf_section): Do not allocate a string from a
	non string section.  It only leads to trouble later on.
	(_bfd_elf_print_private_bfd_data): Check for there being too
	little external dynamic data.
	(bfd_section_from_shdr): Replace assertion with a failure mode.
	(bfd_section_from_shdr): When walking a loaded group section use
	the internal structure size, not the external size.  Check for the
	group section being empty.
	* elf32-i386.c (elf_i386_rtype_to_howto): Replace assertion with a
	failure mode.
	* elfcode.h (elf_slurp_reloc_table): Likewise.
	* reloc.c (bfd_perform_relocation): Avoid seg-fault if the howto
	parameter is NULL.
2014-12-01 16:43:46 +00:00
Nick Clifton 834107255b Revert changes in previous deltas that introduced new failures into
the linker testsuite.

	* aoutx.h (slurp_symbol_table): Revert previous delta.
	(slurp_reloc_table): Likewise.
	* compress.c (bfd_get_full_section_contents): Remove file size
	test.
	* coffgen.c (coff_get_normalized_symtab): Allow zero-sized symtabs
	and do not complain about linker generated files.
2014-11-06 14:39:58 +00:00
Nick Clifton 79f2a78e76 Fix problem with linker created sections being mistakenly flagged
as corrupt by the new error checking code in bfd_get_full_section_contents.

	PR binutils/17512
	* compress.c (bfd_get_full_section_contents): Improve test for
	linker created objects.
2014-11-04 16:00:10 +00:00
Nick Clifton 5a3f568b70 More fixes for buffer overruns instigated by corrupt binaries.
PR binutils/17512
	* objdump.c (slurp_symtab): Fail gracefully if the table could not
	be read.
	(dump_relocs_in_section): Likewise.

	* aoutx.h (slurp_symbol_table): Check that computed table size is
	not bigger than the file from which is it being read.
	(slurp_reloc_table): Likewise.
	* coffcode.h (coff_slurp_line_table): Remove unneeded local
	'warned'.  Do not try to print the details of a symbol with an
	invalid index.
	* coffgen.c (make_a_sectiobn_from_file): Check computed string
	index against length of string table.
	(bfd_coff_internal_syment_name): Check read in string offset
	against length of string table.
	(build_debug_section): Return a pointer to the section used.
	(_bfd_coff_read_string_table): Store the length of the string
	table in the coff_tdata structure.
	(bfd_coff_free_symbols): Set the length of the string table to
	zero when it is freed.
	(coff_get_normalized_symtab): Check offsets against string table
	or data table lengths as appropriate.
	* cofflink.c (_bfd_coff_link_input_bfd): Check offset against
	length of string table.
	* compress.c (bfd_get_full_section_contents): Check computed size
	against the size of the file.
	* libcoff-in.h (obj_coff_strings_len): Define.
	(struct coff_tdata): Add strings_len field.
	* libcoff.h: Regenerate.
	* peXXigen.c (pe_print_debugdata): Do not attempt to print the
	data if the debug section is too small.
	* xcofflink.c (xcoff_link_input_bfd):  Check offset against
	length of string table.
2014-11-03 17:44:00 +00:00
Nick Clifton a953eec996 Fixes a problem with the BFD library running out of memory because it mistakenly
thought that an uncompressed .debug_str section was compressed.

	* compress.c (bfd_is_section_compressed): When checking the
	.debug_str section, also check the fifth byte in the section is
	not part of a string.

	* binutils-all/debug_str.s: New test.
	* binutils-all/debug_str.d: New test control file.
	* binutils-all/compress.exp: Run debug_str test.
2014-04-30 17:04:04 +01:00
Alan Modra 4b95cf5c0c Update copyright years 2014-03-05 22:16:15 +10:30
Nick Clifton a253d456e1 * coffcode.h: Added a cast to void when a bfd_set_section_*()
macro's return value is ignored.
	* elf32-hppa.c: Likewise.
	* elf32-tic6x.c: Likewise.
	* mach-o.c: Likewise.
	* mmo.c: Likewise.
	* opncls.c: Likewise.
	* peicode.h: Likewise.
	* elf32-m32r.c: Check return value of bfd_set_section_*().
	* elfnn-ia64.c: Likewise.
	* elfxx-mips.c: Likewise.
	* vms-alpha.c: Likewise.
2013-04-17 14:16:01 +00:00
H.J. Lu 68ffbac672 Remove trailing white spaces in bfd
* aout0.c: Remove trailing white spaces.
	* archive.c: Likewise.
	* archures.c: Likewise.
	* bfd-in.h: Likewise.
	* bfd-in2.h: Likewise.
	* coff-alpha.c: Likewise.
	* coff-i860.c: Likewise.
	* coff-mips.c: Likewise.
	* coff-ppc.c: Likewise.
	* coff-tic80.c: Likewise.
	* coff-x86_64.c: Likewise.
	* coff-z80.c: Likewise.
	* coffcode.h: Likewise.
	* coffgen.c: Likewise.
	* cofflink.c: Likewise.
	* compress.c: Likewise.
	* corefile.c: Likewise.
	* cpu-arm.c: Likewise.
	* cpu-avr.c: Likewise.
	* cpu-bfin.c: Likewise.
	* cpu-cr16.c: Likewise.
	* cpu-cr16c.c: Likewise.
	* cpu-crx.c: Likewise.
	* cpu-h8300.c: Likewise.
	* cpu-i386.c: Likewise.
	* cpu-lm32.c: Likewise.
	* cpu-m68k.c: Likewise.
	* cpu-moxie.c: Likewise.
	* cpu-msp430.c: Likewise.
	* cpu-sh.c: Likewise.
	* cpu-xc16x.c: Likewise.
	* dwarf2.c: Likewise.
	* ecofflink.c: Likewise.
	* ecoffswap.h: Likewise.
	* elf-ifunc.c: Likewise.
	* elf-m10300.c: Likewise.
	* elf-vxworks.c: Likewise.
	* elf32-avr.c: Likewise.
	* elf32-avr.h: Likewise.
	* elf32-cr16.c: Likewise.
	* elf32-cr16c.c: Likewise.
	* elf32-cris.c: Likewise.
	* elf32-crx.c: Likewise.
	* elf32-frv.c: Likewise.
	* elf32-hppa.c: Likewise.
	* elf32-i860.c: Likewise.
	* elf32-ip2k.c: Likewise.
	* elf32-iq2000.c: Likewise.
	* elf32-m32c.c: Likewise.
	* elf32-m68hc1x.c: Likewise.
	* elf32-msp430.c: Likewise.
	* elf32-mt.c: Likewise.
	* elf32-ppc.c: Likewise.
	* elf32-rl78.c: Likewise.
	* elf32-s390.c: Likewise.
	* elf32-score.h: Likewise.
	* elf32-sh-symbian.c: Likewise.
	* elf32-sh.c: Likewise.
	* elf32-spu.c: Likewise.
	* elf32-tic6x.c: Likewise.
	* elf32-v850.c: Likewise.
	* elf32-xc16x.c: Likewise.
	* elf32-xtensa.c: Likewise.
	* elf64-alpha.c: Likewise.
	* elf64-hppa.c: Likewise.
	* elf64-ppc.c: Likewise.
	* elf64-s390.c: Likewise.
	* elfcore.h: Likewise.
	* elflink.c: Likewise.
	* elfxx-mips.c: Likewise.
	* elfxx-sparc.c: Likewise.
	* elfxx-tilegx.c: Likewise.
	* ieee.c: Likewise.
	* libcoff.h: Likewise.
	* libpei.h: Likewise.
	* libxcoff.h: Likewise.
	* linker.c: Likewise.
	* mach-o-i386.c: Likewise.
	* mach-o-target.c: Likewise.
	* mach-o.c: Likewise.
	* mach-o.h: Likewise.
	* mmo.c: Likewise.
	* opncls.c: Likewise.
	* pdp11.c: Likewise.
	* pe-x86_64.c: Likewise.
	* peXXigen.c: Likewise.
	* pef-traceback.h: Likewise.
	* pei-x86_64.c: Likewise.
	* peicode.h: Likewise.
	* plugin.c: Likewise.
	* reloc.c: Likewise.
	* riscix.c: Likewise.
	* section.c: Likewise.
	* som.c: Likewise.
	* syms.c: Likewise.
	* tekhex.c: Likewise.
	* ticoff.h: Likewise.
	* vaxbsd.c: Likewise.
	* xcofflink.c: Likewise.
	* xtensa-isa.c: Likewise.
2013-01-10 20:03:55 +00:00
H.J. Lu 64f401629b Don't decompress the section in bfd_is_section_compressed
* compress.c (bfd_is_section_compressed): Don't decompress the
	section.
2012-10-24 21:36:50 +00:00
Alan Modra 8a72cc6e7e bfd/
* compress.c (bfd_cache_section_contents): New function.
	* bfd-in2.h: Regenerate.
binutils/
	* objdump.c (load_specific_debug_section): Use
	bfd_cache_section_contents.
2012-10-21 09:06:07 +00:00
Alan Modra 38b774d28c * compress.c: Reinstate 2012-10-19 change.
(bfd_get_full_section_contents): Don't free unless we alloc.
	Use proper decompress size.  Delete some vars, rename others.
2012-10-20 08:27:13 +00:00
Tom Tromey 67d004eb5f * compress.c: Revert previous patch. 2012-10-19 16:59:57 +00:00
Tom Tromey 06c2e2c12c * compress.c (bfd_get_full_section_contents): Don't cache
decompressed contents.
2012-10-19 15:51:53 +00:00
Kai Tietz a29a8af823 ChangeLog bfd
2012-10-18  Kai Tietz  <ktietz@redhat.com>

	PR binutils/14067
	* coff-i386.c (bfd_target): Add section flag SEC_EXCLUDE.
	Allow BFD_COMPRESS and BFD_DECOMPRESS flags.
	* coff-x86_64.c: Likewise.
	* coffcode.h (DOT_ZDEBUG): New define.
	(sec_to_styp_flags): Check for .zdebug.
	(styp_to_sec_flags): Likewise.
	* coffgen.c (make_a_section): Handle .debug_* section
	compression/decompression flags.
	* cofflink.c (mark_relocs): Ignore relocations
	for a section, which isn't marked as used.
	(_bfd_coff_link_input_bfd): Add support of compressed
	debug sections.
	* compress.c (decompress_contents): Loop as long
	as there is input available and there is room for
	output.
	* bfd/pe-arm.c: Add .zdebug_ partial match entry.
	* pe-i386.c: Likewise.
	* pe-x86_64.c: Likewise.
	* peXXigen.c (_bfd_XXi_swap_aouthdr_out): Don't clear all
	data-directories as this might destroy content.

        * coff-i386.c (_bfd_generic_find_nearest_line_discriminator):
        define as coff_find_nearest_line_discriminator.
        * libcoff-in.h (coff_find_nearest_line_discriminator): New
        * libcoff.h: Regenerated.
        * coff-x86_64.c: Likewise.
        * coffgen.c (coff_find_nearest_line_discriminator): New function.
        prototype.

ChangeLog binutils

2012-10-18  Kai Tietz  <ktietz@redhat.com>

	* objdump.c (dump_bfd): Call dump headers after
	call of slurp_symtab.

ChangeLog ld

2012-10-18  Kai Tietz  <ktietz@redhat.com>

	PR binutils/14067
	* NEWS: Menition new feature.
	* scripttempl/pep.sc: Add zdebug sections.
	* scripttempl/pe.sc: L
2012-10-18 17:42:29 +00:00
Nick Clifton df7b86aa4c PR 14072
* configure.in: Add check that sysdep.h has been included before
	any system header files.
	* configure: Regenerate.
	* config.in: Regenerate.
	* sysdep.h: Generate an error if included before config.h.
	* alpha-opc.c: Include sysdep.h before any other header file.
	* alpha-dis.c: Likewise.
	* avr-dis.c: Likewise.
	* cgen-opc.c: Likewise.
	* cr16-dis.c: Likewise.
	* cris-dis.c: Likewise.
	* crx-dis.c: Likewise.
	* d10v-dis.c: Likewise.
	* d10v-opc.c: Likewise.
	* d30v-dis.c: Likewise.
	* d30v-opc.c: Likewise.
	* h8500-dis.c: Likewise.
	* i370-dis.c: Likewise.
	* i370-opc.c: Likewise.
	* m10200-dis.c: Likewise.
	* m10300-dis.c: Likewise.
	* micromips-opc.c: Likewise.
	* mips-opc.c: Likewise.
	* mips61-opc.c: Likewise.
	* moxie-dis.c: Likewise.
	* or32-opc.c: Likewise.
	* pj-dis.c: Likewise.
	* ppc-dis.c: Likewise.
	* ppc-opc.c: Likewise.
	* s390-dis.c: Likewise.
	* sh-dis.c: Likewise.
	* sh64-dis.c: Likewise.
	* sparc-dis.c: Likewise.
	* sparc-opc.c: Likewise.
	* spu-dis.c: Likewise.
	* tic30-dis.c: Likewise.
	* tic54x-dis.c: Likewise.
	* tic80-dis.c: Likewise.
	* tic80-opc.c: Likewise.
	* tilegx-dis.c: Likewise.
	* tilepro-dis.c: Likewise.
	* v850-dis.c: Likewise.
	* v850-opc.c: Likewise.
	* vax-dis.c: Likewise.
	* w65-dis.c: Likewise.
	* xgate-dis.c: Likewise.
	* xtensa-dis.c: Likewise.
	* rl78-decode.opc: Likewise.
	* rl78-decode.c: Regenerate.
	* rx-decode.opc: Likewise.
	* rx-decode.c: Regenerate.

	* configure.in: Add check that sysdep.h has been included before
	any system header files.
	* configure: Regenerate.
	* config.in: Regenerate.
	* sysdep.h: Generate an error if included before config.h.

	* configure.in: Add check that sysdep.h has been included before
	any system header files.
	* configure: Regenerate.
	* config.in: Regenerate.
	* aclocal.m4: Regenerate.
	* bfd-in.h: Generate an error if included before config.h.
	* sysdep.h: Likewise.
	* bfd-in2.h: Regenerate.
	* compress.c: Remove #include "config.h".
	* plugin.c: Likewise.
	* elf32-m68hc1x.c: Include sysdep.h before alloca-conf.h.
	* elf64-hppa.c: Likewise.
	* som.c: Likewise.
	* xsymc.c: Likewise.

	* configure.in: Add check that sysdep.h has been included before
	any system header files.
	* configure: Regenerate.
	* config.in: Regenerate.

	* configure.in: Add check that sysdep.h has been included before
	any system header files.
	* configure: Regenerate.
	* config.in: Regenerate.
	* aclocal.m4: Regenerate.
	* Makefile.am: Use wrappers around C files generated by flex.
	* Makefile.in: Regenerate.
	* doc/Makefile.in: Regenerate.
	* itbl-lex-wrapper.c: New file.
	* config/bfin-lex-wrapper.c: New file.
	* cgen.c: Include as.h before setjmp.h.
	* config/tc-dlx.c: Include as.h before any other header.
	* config/tc-h8300.c: Likewise.
	* config/tc-lm32.c: Likewise.
	* config/tc-mep.c: Likewise.
	* config/tc-microblaze.c: Likewise.
	* config/tc-mmix.c: Likewise.
	* config/tc-msp430.c: Likewise.
	* config/tc-or32.c: Likewise.
	* config/tc-tic4x.c: Likewise.
	* config/tc-tic54x.c: Likewise.
	* config/tc-xtensa.c: Likewise.

	* configure.in: Add check that sysdep.h has been included before
	any system header files.
	* configure: Regenerate.
	* config.in: Regenerate.
	* unwind-ia64.h: Include config.h.
2012-05-17 15:13:28 +00:00
Nick Clifton 0d13c96b21 When computing checksums, skip the contents of sections with the SHT_NOBITS type.
Revert change to compress.c
2011-12-14 16:12:13 +00:00
Nick Clifton 4d48ecf313 PR ld/12451
* elfcode.h (elf_checksum_contents): Read in the section's
	contents if they are not already available.
	* compress.c (bfd_get_full_section_contents): Use zmalloc to
	allocate the buffers so that excess bytes are guaranteed to be
	zero.
2011-12-14 11:50:13 +00:00
Alan Modra e57278ef9d * bfd-in.h (bfd_get_section_limit): Don't use rawsize with output
sections.
	* libbfd.c (_bfd_generic_get_section_contents): Likewise.
	(_bfd_generic_get_section_contents_in_window): Likewise.
	* section.c (bfd_get_section_contents): Likewise.
	* compress.c (bfd_get_full_section_contents): Likewise.
	* elf32-rx.c (rx_final_link): Ignore rawsize.
	* elf32-microblaze.c (microblaze_elf_relocate_section): Use correct
	bfd with bfd_get_section_limit.
	* elfxx-ia64.c (elfNN_ia64_choose_gp): Add "final" parameter.  Use
	os->size during final link.  Update callers.
	* bfd-in2.h: Regenerate.
2011-04-11 04:08:13 +00:00
Michael Snyder 4281caadcf 2011-03-05 Michael Snyder <msnyder@vmware.com>
* compress.c (bfd_compress_section_contents): Check for out of mem.
2011-03-06 18:37:07 +00:00
Alan Modra 82c6068aa4 * compress.c (decompress_contents): Style.
(bfd_get_full_section_contents): Do not decompress directly into
	caller buffer or directly return cached section contents.
	Check malloc return for compressed_buffer.
2010-12-24 10:40:19 +00:00
H.J. Lu ae6a0217c5 Use uLong on compressed_size when using zlib.
2010-10-29  Pawel Sikora  <pluto@pld-linux.org>

	PR binutils/12075
	* compress.c (bfd_compress_section_contents): Use uLong on
	compressed_size.
2010-10-29 19:56:00 +00:00
H.J. Lu 4a114e3e0c Add compressed debug section support to binutils and ld.
bfd/

2010-10-29  H.J. Lu  <hongjiu.lu@intel.com>
	    Cary Coutant  <ccoutant@google.com>

	* archive.c (bfd_openr_next_archived_file): Copy BFD_COMPRESS
	and BFD_DECOMPRESS.

	* bfd.c (BFD_COMPRESS): New.
	(BFD_DECOMPRESS): Likewise.
	(BFD_FLAGS_SAVED): Likewise.
	(bfd_preserve_save): Replace BFD_IN_MEMORY with BFD_FLAGS_SAVED.

	* compress.c (bfd_uncompress_section_contents): Removed.
	(get_uncompressed_size): New.
	(decompress_contents): Likewise.
	(bfd_compress_section_contents): Likewise.
	(bfd_get_full_section_contents): Likewise.
	(bfd_is_section_compressed): Likewise.
	(bfd_init_section_decompress_status): Likewise.
	(bfd_init_section_compress_status): Likewise.

	* dwarf2.c (dwarf_debug_sections): New.
	(dwarf_debug_section_enum): Likewise.
	(read_section): Remove section_name and compressed_section_name.
	Add dwarf_debug_section_enum.  Try compressed debug section.
	(read_indirect_string): Updated.
	(read_abbrevs): Likewise.
	(decode_line_info): Likewise.
	(read_debug_ranges): Likewise.
	(find_line): Updated.

	* ecoff.c (bfd_debug_section): Add compress_status and
	compressed_size.

	* elf.c (_bfd_elf_make_section_from_shdr): Call
	bfd_is_section_compressed to check if a DWARF debug section is
	compressed.  Call bfd_init_section_compress_status or
	bfd_init_section_decompress_status if needed.

	* elflink.c (elf_link_input_bfd): Replace bfd_get_section_contents
	with bfd_get_full_section_contents.
	* merge.c (_bfd_add_merge_section): Likewise.
	* reloc.c (bfd_generic_get_relocated_section_contents): Likewise.
	* simple.c (bfd_simple_get_relocated_section_contents): Likewise.

	* elfxx-target.h (TARGET_BIG_SYM): Allow BFD_COMPRESS and
	BFD_DECOMPRESS.
	(TARGET_LITTLE_SYM): Likewise.

	* libbfd-in.h (dwarf_debug_section): New.
	(dwarf_debug_sections): Likewise.

	* libbfd.c (_bfd_generic_get_section_contents): Issue an error
	when getting contents on compressed/decompressed section.

	* section.c (COMPRESS_SECTION_NONE): New.
	(COMPRESS_SECTION_DONE): Likewise.
	(DECOMPRESS_SECTION_SIZED): Likewise.
	(BFD_FAKE_SECTION): Add compress_status and compressed_size.
	(bfd_malloc_and_get_section): Replace bfd_get_section_contents
	with bfd_get_full_section_contents.

	* bfd-in2.h: Regenerated.
	* libbfd.h: Likewise.

binutils/

2010-10-29  H.J. Lu  <hongjiu.lu@intel.com>

	* addr2line.c (process_file): Set BFD_DECOMPRESS.

	* objcopy.c (do_debug_sections): New.
	(OPTION_COMPRESS_DEBUG_SECTIONS): New.
	(OPTION_DECOMPRESS_DEBUG_SECTIONS): Likewise.
	(copy_options): Add OPTION_COMPRESS_DEBUG_SECTIONS and
	OPTION_DECOMPRESS_DEBUG_SECTIONS.
	(copy_usage): Add --compress-debug-sections and
	--decompress-debug-sections.
	(copy_file): Set BFD_COMPRESS or BFD_DECOMPRESS.
	(copy_section): Replace bfd_get_section_contents with
	bfd_get_full_section_contents.
	(copy_main): Handle OPTION_COMPRESS_DEBUG_SECTIONS and
	OPTION_DECOMPRESS_DEBUG_SECTIONS.  Check do_debug_sections to
	rename DWARF debug sections.

	* objdump.c (load_specific_debug_section): Replace
	bfd_get_section_contents with bfd_get_full_section_contents.
	Remove bfd_uncompress_section_contents.
	(dump_section): Replace bfd_get_section_contents with
	bfd_get_full_section_contents.
	(display_file): Set BFD_DECOMPRESS if needed.

	* readelf.c (uncompress_section_contents): Set buffer to NULL
	to indiate decompression failure.
	(load_specific_debug_section): Always call
	uncompress_section_contents.

	* doc/binutils.texi: Document --compress-debug-sections and
	--decompress-debug-sections.

binutils/testsuite/

2010-10-29  H.J. Lu  <hongjiu.lu@intel.com>

	* binutils-all/compress.exp: New.
	* binutils-all/dw2-1.S: Likewise.
	* binutils-all/dw2-2.S: Likewise.
	* binutils-all/libdw2-compressed.out: Likewise.
	* binutils-all/libdw2.out: Likewise.

gas/

2010-10-29  H.J. Lu  <hongjiu.lu@intel.com>

	* write.c (compress_debug): Optimize section flags check.

gas/testsuite/

2010-10-29  H.J. Lu  <hongjiu.lu@intel.com>

	* elf/dwarf2-1.s: Replace .zdebug_abbrev section with
	.debug_abbrev section.
	* elf/dwarf2-2.3: Likewise.

	* elf/dwarf2-1.d: Pass --compress-debug-sections to assembler.
	Updated.
	* elf/dwarf2-2.d: Likewise.

	* gas/i386/i386.exp: Remove xfail on dw2-compress-2 and
	x86-64-dw2-compress-2.

ld/

2010-10-29  H.J. Lu  <hongjiu.lu@intel.com>

	* ldfile.c (ldfile_try_open_bfd): Set BFD_DECOMPRESS after
	bfd_openr returns.
	* emultempl/elf32.em (gld${EMULATION_NAME}_try_needed): Likewise.

	* scripttempl/elf.sc: Include compressed DWARF debug sections.

ld/testsuite/

2010-10-29  H.J. Lu  <hongjiu.lu@intel.com>

	* ld-elf/compress.exp: New.
	* ld-elf/compress1.s: Likewise.
	* ld-elf/compress1a.d: Likewise.
	* ld-elf/compress1b.d: Likewise.
	* ld-elf/compress1c.d: Likewise.
2010-10-29 12:10:39 +00:00
Cary Coutant 0acf065b19 bfd/ChangeLog:
* compress.c (bfd_uncompress_section_contents): Add ATTRIBUTE_UNUSED.
	* dwarf2.c (read_and_uncompress_section): New function.
	(read_section): Call it.
	(find_line): Likewise.

binutils/ChangeLog:

	* objdump.c (load_specific_debug_section): Decompress section contents
	before applying relocations.
	* readelf.c (load_specific_debug_section): Update section size after
	decompression.

gas/ChangeLog:

	* Makefile.am: Add compress-debug.c and compress-debug.h.
	* Makefile.in: Regenerate.
	* config.in: Add HAVE_ZLIB_H.
	* configure.in: Check for zlib.h.
	* configure: Regenerate.

	* as.c (parse_args): Add --compress-debug-sections and
	--nocompress-debug-sections.
	* as.h (flag_compress_debug): New variable.
	* compress-debug.c: New file.
	* compress-debug.h: New file.
	* write.c: Include compress-debug.h.
	(compress_frag): New function.
	(compress_debug): New function.
	(write_object_file): Compress debug sections if requested.
2010-07-03 20:52:24 +00:00
Alan Modra 3f062f4418 * compress.c (bfd_uncompress_section_contents): Use ATTRIBUTE_UNUSED
to silence gcc warning.
2010-06-28 14:41:11 +00:00
Nick Clifton a50b1753d4 Updated soruces in bfd/* to compile cleanly with -Wc++-compat.
* bfd/aoutx.h: Add casts.
        * bfd/archive.c: Add casts.
        * bfd/archive64.c: Add casts.
        * bfd/archures.c: Add casts.
        * bfd/bfd-in2.h: Regenerated.
        * bfd/bfd.c: Add casts. (enum bfd_direction): Move out to top
        level.
        * bfd/bfdio.c: Add casts.
        * bfd/binary.c: Add casts.
        * bfd/cache.c (cache_bseek,cache_bread_1,cache_bwrite): Updated
        parameter to use enum value instead of int.
        * bfd/coffcode.h: Add casts.
        * bfd/coffgen.c: Add casts.
        * bfd/cofflink.c: Add casts.
        * bfd/compress.c: Add casts.
        * bfd/dwarf1.c: Add casts.
        * bfd/dwarf2.c: Add casts. (struct dwarf2_debug): Rename member
        bfd to bfd_ptr. Update code to use new name.
        * bfd/elf-attrs.c: Add casts.
        * bfd/elf-bfd.h (elf_link_virtual_table_entry): Gives name to
        anonymous struct. (union gotplt_union, struct
        elf_link_virtual_table_entry): Move to top level.
        * bfd/elf-eh-frame.c: Add casts.
        * bfd/elf-strtab.c: Add casts.
        * bfd/elf.c: Add casts. (_bfd_elm_make_Section_from_phdr): Change
        argument name from typename to type_name.
        * bfd/elf32-i386.c: Add casts.
        * bfd/elf64-x86-64.c: Add casts.
        * bfd/elfcode.h: Add casts.
        * bfd/elfcore.h: Add casts.
        * bfd/elflink.c: Add casts.
        * bfd/format.c: Add casts.
        * bfd/hash.c: Add casts.
        * bfd/ihex.c: Add casts.
        * bfd/libaout.h (enum aout_subformat, enum aout_magic): Move to
        top level.
        * bfd/libbfd.c: Add casts.
        * bfd/linker.c: Add casts.
        * bfd/merge.c: Add casts.
        * bfd/opncls.c: Add casts.
        * bfd/peXXigen.c: Add casts.
        * bfd/peicode.h: Add casts.
        * bfd/reloc.c: Add casts.
        * bfd/section.c: Add casts.
        * bfd/simple.c: Add casts.
        * bfd/srec.c: Add casts.
        * bfd/stabs.c: Add casts.
        * bfd/syms.c: Add casts.
        * bfd/targets.c: Add casts.
        * bfd/tekhex.c: Add casts.
        * bfd/verilog.c: Add casts.
        * include/bfdlink.h (struct bfd_link_hash_common_entry): Move to
        top level.
2009-09-09 21:38:59 +00:00
Craig Silverstein 1b31505692 bfd/
* Makefile.am (BFD32_LIBS): Add compress.lo.
	(BFD32_LIBS_CFILES): Add compress.c.
	(BFD_H_FILES): Likewise.
	* Makefile.in: Regenerate.
	* bfd-in2.h: Regenerate.
	* config.in: Add HAVE_ZLIB_H
	* configure.in: Add test for libz and zlib.h
	* configure: Regenerate.
	* dwarf2.c (read_section): New function.
	(read_indirect_string): Call new function read_section.
	(read_abbrevs): Likewise.
	(decode_line_info): Likewise.
	(read_debug_ranges): Likewise.
	(find_line): Call new function read_section when just one
	.zdebug_info section is found, otherwise read and compress
	multiple sections.
	(_bfd_dwarf2_cleanup_debug_info): Free sec_info_ptr.
	* elf.c (_bfd_elf_make_section_from_shdr): Add zdebug prefix.
	(special_sections_z): New struct.
	(special_sections): Refer to special_sections_z.
	* elfxx-mips.c (_bfd_mips_elf_section_from_shdr): Recognize
	sections named .zdebug_*.
	(_bfd_mips_elf_fake_sections): Likewise.
	* compress.c: New file.
	(bfd_uncompress_section_contents): New function.
bfd/doc/
	* Makefile.am (BFD_H_DEP): Add ../compress.c.
	* Makefile.in: Regenerate.
binutils/
	* config.in: Add HAVE_ZLIB_H
	* configure.in: Add test for libz and zlib.h
	* configure: Regenerate.
	* dwarf.c (debug_displays): Add .zdebug_* strings.
	* dwarf.h (struct dwarf_section): Add fields uncompressed_namd
	and compressed_name.
	* objdump.c (load_debug_section): Call
	bfd_uncompress_section_contents when loading a compressed
	section.
	(dump_dwarf_section): Recognize compressed section name.
	(mach_o_dwarf_sections): Rename as
	mach_o_uncompressed_dwarf_sections.
	(mach_o_compressed_dwarf_sections): New variable.
	(generic_dwarf_section): Rename as
	generic_uncompressed_dwarf_sections.
	(generic_compressed_dwarf_sections): New variable.
	(check_mach_o_dwarf): Save and restore
	mach_o_compressed_dwarf_sections.
	* readelf.c: Add #include for config.h and zlib.h
	(process_section_headers): Recognize compressed section name.
	(uncompress_section_contents): New function.
	(load_debug_section): Call uncompress_section_contents when
	loading a compressed section.
	(display_debug_section): Recognize compressed section name.
binutils/testsuite:
	* binutils-all/objdump.exp: Add test for objdump -s on a file
	with a compressed debug section.  Add test for objdump -W on a
	file that contains a compressed debug section.
	* binutils-all/readelf.exp: Call readelf_compressed_wa_test.
	(readelf_compressed_wa_test): New function.
	* binutils-all/dw2-compressed.S: New file.
	* binutils-all/objdump.W: New file.
	* binutils-all/objdump.s: New file.
	* binutils-all/readelf.wa: New file.
2008-07-10 01:32:23 +00:00