2005-07-25 H.J. Lu <hongjiu.lu@intel.com>
* elf-bfd.h (elf_backend_data): Add common_definition,
common_section_index, common_section, and merge_symbol.
(_bfd_elf_common_definition): New.
(_bfd_elf_common_section_index): New.
(_bfd_elf_common_section): New.
* elf.c (elf_fake_sections): Don't clear sh_flags.
* elflink.c (_bfd_elf_merge_symbol): Call backend merge_symbol
if it is available.
(is_global_data_symbol_definition): Call backend
common_definition instead of checking SHN_COMMON.
(elf_link_add_object_symbols): Likewise.
(elf_link_output_extsym): Call backend common_section_index
for common section index.
(_bfd_elf_common_definition): New.
(_bfd_elf_common_section_index): New.
(_bfd_elf_common_section): New.
* elfxx-target.h (elf_backend_common_definition): New.
(elf_backend_common_section_index): New.
(elf_backend_common_section): New.
(elf_backend_merge_symbol): New.
(elfNN_bed): Initialize common_definition, common_section_index,
common_section, and merge_symbol.
* section.c (BFD_FAKE_SECTION): New.
(STD_SECTION): Use it.
* bfd-in2.h: Regenerated.