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2014-11-06Revert changes in previous deltas that introduced new failures intoNick Clifton1-8/+0
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.
2014-11-04Fix problem with linker created sections being mistakenly flaggedNick Clifton1-1/+2
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.
2014-11-03More fixes for buffer overruns instigated by corrupt binaries.Nick Clifton1-0/+7
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.
2014-04-30Fixes a problem with the BFD library running out of memory because it mistakenlyNick Clifton1-0/+10
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.
2014-03-05Update copyright yearsAlan Modra1-2/+1
2013-04-17 * coffcode.h: Added a cast to void when a bfd_set_section_*()Nick Clifton1-3/+4
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.
2013-01-10Remove trailing white spaces in bfdH.J. Lu1-2/+2
* 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.
2012-10-24Don't decompress the section in bfd_is_section_compressedH.J. Lu1-2/+11
* compress.c (bfd_is_section_compressed): Don't decompress the section.
2012-10-21bfd/Alan Modra1-0/+23
* compress.c (bfd_cache_section_contents): New function. * bfd-in2.h: Regenerate. binutils/ * objdump.c (load_specific_debug_section): Use bfd_cache_section_contents.
2012-10-20 * compress.c: Reinstate 2012-10-19 change.Alan Modra1-20/+17
(bfd_get_full_section_contents): Don't free unless we alloc. Use proper decompress size. Delete some vars, rename others.
2012-10-19 * compress.c: Revert previous patch.Tom Tromey1-7/+8
2012-10-19 * compress.c (bfd_get_full_section_contents): Don't cacheTom Tromey1-8/+7
decompressed contents.
2012-10-18ChangeLog bfdKai Tietz1-1/+1
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
2012-05-17 PR 14072Nick Clifton1-2/+1
* 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.
2011-12-14When computing checksums, skip the contents of sections with the SHT_NOBITS ↵Nick Clifton1-2/+2
type. Revert change to compress.c
2011-12-14 PR ld/12451Nick Clifton1-2/+2
* 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.
2011-04-11 * bfd-in.h (bfd_get_section_limit): Don't use rawsize with outputAlan Modra1-2/+6
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.
2011-03-062011-03-05 Michael Snyder <msnyder@vmware.com>Michael Snyder1-0/+3
* compress.c (bfd_compress_section_contents): Check for out of mem.
2010-12-24 * compress.c (decompress_contents): Style.Alan Modra1-69/+58
(bfd_get_full_section_contents): Do not decompress directly into caller buffer or directly return cached section contents. Check malloc return for compressed_buffer.
2010-10-29Use uLong on compressed_size when using zlib.H.J. Lu1-1/+1
2010-10-29 Pawel Sikora <pluto@pld-linux.org> PR binutils/12075 * compress.c (bfd_compress_section_contents): Use uLong on compressed_size.
2010-10-29Add compressed debug section support to binutils and ld.H.J. Lu1-56/+340
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.
2010-07-03bfd/ChangeLog:Cary Coutant1-1/+1
* 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.
2010-06-28 * compress.c (bfd_uncompress_section_contents): Use ATTRIBUTE_UNUSEDAlan Modra1-5/+3
to silence gcc warning.
2009-09-09 Updated soruces in bfd/* to compile cleanly with -Wc++-compat.Nick Clifton1-1/+1
* 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.
2008-07-10bfd/Craig Silverstein1-0/+122
* 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.