* 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.
display_debug_lines_raw.
(display_debug_lines_decoded): New function. Displays the
interpreted contents of a .debug_line section.
(display_debug_lines): New function: Selects either a raw dump or
a decoded dump (or both) as requested by the user.
* dwarf.h (do_debug_lines_decoded): New extern.
* readelf.c: Add support for -wL or --debug-dump=decodedline
option to display the decoded contents of a .debug_line section.
* doc/binutils.texi: Document the new option.
* NEWS: Mention the new feature.
dwarf_vma type at a specified precision.
(display_debug_loc): Use dwarf_vma type for begin and end values.
Use print_dwarf_vma to display their values. Use byte_get_signed
in order to correctly detect the -1 escape value.
(display_debug_aranges): Likewise.
(display_debug_ranges): Likewise.
when the .debug_info section could not be loaded/parsed.
(process_debug_info): Display the length of the compilation unit
in hex, so that it corresponds with the offsets that will follow.
Tell the user if the length was 32-bit or 64-bit.
If a DIE abbreviation could not be found, tell the user the offset
of the DIE.
(free_debug_memory): Do not attempt to free any entries in the
debug_information array if num_debug_info_entries is set to
DEBUG_INFO_UNAVAILABLE.
version value when reporting unrecognised DWARF version numbers.
(load_debug_info): Remember a failed attempt to load and parse the
.debug_info section and do not repeat such attempts.
(display_debug_lines): Check the return value from load_debug_info
and return whilst displaying a warning message if the load failed.
(display_debug_loc): Likewise.
(display_debug_ranges): Likewise.
displayed in hexadecimal with 0x.
For the DW_AT_import attribute display the abbreviation number and
tag of the imported DIE.
(process_debug_info): Warn about lengths that reserved by the
DWARF3 specification.
Provide more information when corrupted DIEs are detected.
Warn if DIE corruption makes the sibling level negative.
(DW_AT_stride_size): Rename to DW_AT_bit_stride.
(DW_AT_stride): Rename to DW_AT_byte_stride.
* dwarf.c (process_extended_line_op): Add cases for HP extensions to the line ops.
Mention if an unknown op code is in the user defined range.
(decode_location_expression): Add cases for HP extensions, the DW_OP_GNU_uninit extension and the DW_OP_call_frame_cfa and DW_OP_bit_piece DWARF3 operators.
(read_and_display_attr): Correct list of attributes which can reference a location list.
(read_and_display_attr_value): Add cases for DWARF3 values and HP extensions.
Correct list of attributes which can reference a location list.
(get_AT_name): Add cases for DWARF3 values and HP and PGI extensions.
(display_debug_frames): Remove check in is_relocatable.
* dwarf.h (is_relocatable): Remove declaration.
* objdump.c (is_relocatable): New static definition.
* readelf.c (dump_relocations): Make the function void.
(is_32bit_abs_reloc): Add support for x86, Arc, Arm, D10V, Dlx, OR32 and Score.
(is_32bit_pcrel_reloc): Add support for x86 and Arm.
(is_16bit_abs_reloc): Add support for D10V.
(debug_apply_rela_addends): Rename to debug_apply_relocations.
Add code to support rel relocations.
(load_debug_section): Fix call to debug_apply_relocations.
(get_file_header): Remove setting of is_relocatable.
* gas/cfi/cfi-common-6.d: Allow for possible relocation of the .debug.eh_frame section.
* readelf.c (get_reloc_type): New function. Returns the reloc number extracted from the info field of a reloc.
(get_reloc_symindex): New function. Returns the symbol index
(extracted from the info field of a reloc.
(dump_relocations): Use the new functions.
(slurp_ia64_unwind_table): Use the new functions.
(slurp_hppa_unwind_table): Use the new functions.
(dump_section_as_bytes): Use the new functions.
(get_reloc_size): Delete function.
(is_32bit_abs_reloc): New function. Determines if a given reloc type is a 32-bit absolute relocation.
(is_32bit_pcrel_reloc): New function. Like is_32bit_abs_reloc but for pc-relative relocations.
(is_64bit_abs_reloc): New function. Like is_32bit_abs_reloc but for 64-bit absolute relocations.
(is_16bit_abs_reloc): New function. Like is_32bit_abs_reloc but for 32-bit absolute relocations.
(debug_apply_rela_addends): Use the new functions. Skip and warn about any unrecognised relocations.
* readelf.c: Include elf/h8.h twice. The first time in order to get the reloc
numbers, the second time in order to get the reloc decoder function.
(dump_section): Tell the user if the section being displayed has unprocessed
relocs associated with it.
(get_reloc_size): New function - returns the size of a reloc.
(debug_apply_rela_addends): Use get_reloc_size().
* dwarf.c (read_and_display_attr_value): Extend number of languages known for
the DW_AT_language attribute.
(process_debug_info): Display the attribute offset before decoding the
attribute, in case there are problems.
end of block address that is beyond the end of the section.
When encountering a corrupt CIE pointer do not reset the start pointer as
more data still has to be read.
Do not warn about user defined call frame instructions.
Use length instead to determine address size.
(get_pointer_size_and_offset_of_comp_unit): Delete.
(display_debug_lines): Adjust for above.
(display_debug_aranges): Don't stop on finding two zeros.
(display_debug_frames): For warning, print offset not pointer.
