2009-12-03 David Daney <ddaney@caviumnetworks.com>
Adam Nemet <adambnemet@gmail.com>
* elf/mips.h (E_MIPS_MACH_OCTEON2): New machine flag.
binutils/
2009-12-03 David Daney <ddaney@caviumnetworks.com>
Adam Nemet <adambnemet@gmail.com>
* readelf.c (get_machine_flags): Handle E_MIPS_MACH_OCTEON2 case.
(dump_relocations): Handle relocations for the xc16x target.
(get_machine_name): Accept EM_C166 for xc16x targets.
(is_32bit_abs_reloc): Add support for xc16c 32-bit absolute reloc.
(is_16bit_abs_reloc): Add support for xc16c 16-bit absolute reloc.
(is_none_reloc): Add support for xc16c null reloc.
* elf.c (bfd_section_from_shdr): Allow SHN_BEFORE and SHN_AFTER
section link values in x86 binaries.
* elfcode.h (elf_object_p): Likewise.
* readelf.c (get_elf_section_flags): Allow SHN_BEFORE and
SHN_AFTER section link values in x86 binaries.
(process_section_headers): Likewise.
* readelf.c: Remove duplicate declaration of variable do_wide.
* dwarf.h: Add export of do_wide.
* hist.h: Move declaration of histograms and num_histograms
variables from here to...
* hist.c: ...here.
* elf.c (bfd_section_from_shdr): Do not reject sparc binaries with
section headers containing sh_link values of SHN_BEFORE or
SHN_AFTER.
* elfcode.h (elf_object_p): Likewise.
readelf.c (get_elf_section_flags): Add support for SHF_EXCLUDE and
SHF_ORDERED.
(process_section_headers): Warn about out of range sh_link
values. When displaying detailed section header information
annote the SHN_BEFORE and SHN_AFTER values.
gnu_unique_object.
* doc/as.texinfo: Document new feature of .type directive.
* NEWS: Mention support for gnu_unique_object symbol type.
* common.h (STB_GNU_UNIQUE): Define.
* NEWS: Mention the linker's support for symbols with a binding of
STB_GNU_UNIQUE.
* gas/elf/type.s: Add unique global symbol definition.
* gas/elf/type.e: Add expected readelf output for global unique
symbol.
* elfcpp.h (enum STB): Add STB_GNU_UNIQUE.
* readelf.c (get_symbol_binding): For Linux targeted files return
UNIQUE for symbols with the STB_GNU_UNIQUE binding.
* doc/binutils.texi: Document the meaning of the 'u' symbol
binding in the output of nm and objdump --syms.
* elf-bfd.h (struct elf_link_hash_entry): Add unique_global field.
* elf.c (swap_out_syms): Set binding to STB_GNU_UNIQUE for symbols
with the BSF_GNU_UNIQUE flag bit set.
* elfcode.h (elf_slurp_symbol_table): Set the BSF_GNU_UNIQUE flag
for symbols with STB_GNU_UNIQUE binding.
* elflink.c (_bfd_elf_merge_symbol): Set unique_global for symbols
with the STB_GNU_UNIQUE binding.
(elf_link_add_object_symbols): Set the BSF_GNU_UNIQUE flag for
symbols with STB_GNU_UNIQUE binding. Set STB_GNU_UNIQUE for
symbols with the unique_global field set.
(elf_link_output_extsym): Set unique_global field for symbols with
the STB_GNU_UNIQUE binding.
* syms.c (struct bfd_symbol): Define BSF_GNU_UNIQUE flag bit.
(bfd_print_symbol_vandf): Print a 'u' character for BSF_GNU_UNIQUE
symbols.
(bfd_decode_symclass): Return a 'u' character for BSF_GNU_UNIQUE
symbols.
* bfd-in2.h: Regenerate.
section in warning message.
(struct debug_display): Enable reloc processing for .debug_line
and .debug_ranges sections.
* readelf.c: Add --relocated-dump command line option to dump the
relocated contents of a specified section.
(request_dump): New function.
(parse_args): Use it.
(dump_section_as_bytes): Add parameter to indicate whether the
contents should be relocated.
(target_specific_reloc_handling): Add code for a R_MN10300_16
reloc found after a R_MN10300_SYM_DIFF reloc.
(debug_apply_relocations): Rename to apply_relocations.
(get_section_contents): New function. Replaces common code found
in dump_section_as_strings and dump_section_as_bytes.
* doc/binutils.texi: Document new command line option.
* NEWS: Mention the new feature.
Processes relocs in a target specific manner.
(debug_apply_relocations): Use the new function.
* dwarf.c (display_debug_loc): End the dump with a blank line.
(struct debug_display): Enable reloc processing for .debug_aranges
and .debug_loc sections.
2009-04-30 Nick Clifton <nickc@redhat.com>
* common.h (STT_GNU_IFUNC): Define.
elfcpp
2009-04-30 Nick Clifton <nickc@redhat.com>
* (enum STT): Add STT_GNU_IFUNC.
gas
2009-04-30 Nick Clifton <nickc@redhat.com>
* config/obj-elf.c (obj_elf_type): Add support for a
gnu_indirect_function type.
* config/tc-i386.c (tc_i386_fix_adjustable): Do not adjust fixups
against indirect function symbols.
* doc/as.texinfo (.type): Document the support for the
gnu_indirect_function symbol type.
* NEWS: Mention the new feature.
gas/testsuite
2009-04-30 Nick Clifton <nickc@redhat.com>
* gas/elf/elf.exp: Extend type test to include an ifunc symbol.
Provide an alternative test for targets which do not support ifunc
symbols.
(type.s): Add entry for an ifunc symbol.
(type.e): Add ifunc entry to expected symbol dump.
(section2.e-armelf): Add entry for ifunc symbol.
(type-noifunc.s): New file.
(type-noifunc.e): New file.
bfd/
2009-04-30 Nick Clifton <nickc@redhat.com>
* elf-bfd.h (struct bfd_elf_section_data): Add indirect_relocs
section pointer.
(struct elf_obj_data): Add has_ifunc_symbols boolean.
* elf.c (swap_out_syms): Convert BSF_GNU_INDIRECT_FUNCTION flags
into a STT_GNU_IFUNC symbol type.
(_bfd_elf_is_function_type): Accept STT_GNU_IFUNC as a function
type.
(_bfd_elf_set_osabi): Set the osasbi field to ELFOSABI_LINUX if
the binary contains ifunc symbols.
* elfcode.h (elf_slurp_symbol_table): Translate the STT_GNU_IFUNC
symbol type into a BSF_GNU_INDIRECT_FUNCTION flag.
* elf32-i386.c (is_indirect_function): New function.
(elf_i386_check_relocs): Create an ifunc output section.
(allocate_dynrelocs): Create dynamic relocs in the ifunc output
section if necessary.
(elf_i386_relocate_section): Emit a reloc against an ifunc symbol
if necessary.
(elf_i386_add_symbol_hook): New function. Set the
has_ifunc_symbols field of the elf_obj_data structure if an ifunc
symbol is encountered.
(elf_backend_post_process_headers): Define.
(elf_backend_add_symbol_hook): Define.
(elf_i386_post_process_headers): Rename to
elf_i388_fbsd_post_process_headers.
* elf64-x86_64.c (IS_X86_64_PCREL_TYPE): New macro.
(is_indirect_function): New function.
(elf64_x86_64_check_relocs): Create an ifunc output section.
(allocate_dynrelocs): Create dynamic relocs in the ifunc output
section if necessary.
(elf64_x86_64_relocate_section): Emit a reloc against an ifunc
symbol if necessary.
(elf_i386_add_symbol_hook): Set the has_ifunc_symbols field of the
elf_obj_data structure if an ifunc symbol is encountered.
(elf_backend_post_process_headers): Define.
* elflink.c (_bfd_elf_adjust_dynamic_symbol): Always create a PLT
if we have ifunc symbols to handle.
(get_ifunc_reloc_section_name): New function. Computes the name
for an ifunc section.
(_bfd_elf_make_ifunc_reloc_section): New function. Creates a
section to hold ifunc relocs.
* syms.c (BSF_GNU_INDIRECT_FUNCTION): Define.
(bfd_print_symbol_vandf): Handle ifunc symbols.
(bfd_decode_symclass): Likewise.
* bfd-in2.h: Regenerate.
binutils
2009-04-30 Nick Clifton <nickc@redhat.com>
* readelf.c (dump_relocations): Display a relocation against an
ifunc symbol as if it were a function invocation.
(get_symbol_type): Handle STT_GNU_IFUNC.
ld
2009-04-30 Nick Clifton <nickc@redhat.com>
* NEWS: Mention support for IFUNC symbols.
ld/testsuite
2009-04-30 Nick Clifton <nickc@redhat.com>
* ld-ifunc: New directory.
* ld-ifunc/ifunc.exp: New file: Run the IFUNC tests.
* ld-ifunc/prog.c: New file.
* ld-ifunc/lib.c: New file.
(struct archive_info): New type.
(setup_archive): New function.
(release_archive): New function.
(setup_nested_archive): New function.
(get_archive_member_name): New function.
(get_archive_member_name_at): New function.
(make_qualified_name): New function.
(process_archive): Factor out code for reading archive index and
long filename table to setup_archive. Add support for thin archives.
have the BSF_INDIRECT_FUNCTION type.
* readelf.c (print_symbol): Fix handling of negative widths.
(dump_relocations): Append "()" to symbol names which have the
STT_IFUNC type. Display negative offsets as a positive number with
a "-" prefix.
(get_symbol_type): Return "IFUNC" for STT_IFUNC symbols.
* doc/binutils.texi: Document 'i' symbol type.
types if running with --wide.
* ld-ia64/tlsbin.rd: Update expected output now that --wide does
not truncate section names.
* ld-ia64/tlspic.rd: Likewise.
PR 6893 - Do not consider FDEs for discarded sections as invalid.
* elf-eh-frame.c (_bfd_elf_parse_eh_frame): New REQUIRE_CLEARED_RELOCS.
Consider FDEs with cleared relocations as valid and ignorable.
ld/testsuite/
* ld-elf/eh-group.exp, ld-elf/eh-group1.s, ld-elf/eh-group2.s: New test.
binutils/
Suppress warnings on NONE relocations to discarded sections.
* readelf.c (is_none_reloc): New function.
(debug_apply_relocations): Ignore is_none_reloc() relocations.
load_debug_section.
(load_debug_section): Use load_specific_debug_section.
(display_debug_section): Use load_specific_debug_section. Check for
multiple sections with the same name.
