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bfd/

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* libbfd-in.h (_bfd_merge_section): New.
	(_bfd_write_merged_section): New.
	(_bfd_merged_section_offset): New.
	* libbfd.h: Rebuilt.
	* linker.c (_bfd_generic_link_output_symbols): Handle
	discard_sec_merge.
	* aoutx.h (aout_link_write_symbols): Likewise.
	* pdp11.c (aout_link_write_symbols): Likewise.
	* elflink.h (elf_link_add_object_symbols): Call _bfd_merge_section.
	(elf_bfd_final_link): Adjust global symbols pointing into SEC_MERGE
	sections.
	(elf_link_sec_merge_syms): New.
	(elf_link_input_bfd): Call _bfd_merged_section_offset
	and _bfd_write_merged_section.
	Handle discard_sec_merge.
	* elf-bfd.h (struct elf_link_hash_table): Add merge_info
	field.
	(struct bfd_elf_section_data): Likewise.
	* elf.c (_bfd_elf_make_section_from_shdr): Set SEC_MERGE and
	SEC_STRINGS section flags and entsize from their ELF counterparts.
	(_bfd_elf_link_hash_table_init): Initialize merge_info.
	(elf_fake_sections): Set SHF_MERGE, SHF_STRINGS and sh_entsize
	from their BFD counterparts.
	* merge.c: New file.
	* Makefile.am: Add strtab.lo.
	* Makefile.in: Rebuilt.
include/
	* bfdlink.h (bfd_link_discard): Add discard_sec_merge.
gas/
	* config/obj-elf.c (obj_elf_change_section): Add entsize argument,
	handle SHF_MERGE and SHF_STRINGS.
	(obj_elf_parse_section_letters): Set SHF_MERGE and SHF_STRINGS.
	(obj_elf_section): Allow additional argument specifying entity size.
	* write.c (adjust_reloc_syms): Keep relocations against local symbols
	in SEC_MERGE sections.
ld/
	* ldmain.c (main): Default to discard_sec_merge.
	* lexsup.c (OPTION_DISCARD_NONE): Define.
	(ld_options): Add --discard-none.
	(parse_args): Handle OPTION_DISCARD_NONE.
	* ldlang.c (wild_doit): SEC_MERGE should be set in the output
	section only if SEC_MERGE and SEC_STRINGS flags and entsize of
	all its input sections match.
This commit is contained in:
Jakub Jelinek
2001-04-13 00:34:36 +00:00
parent 6c98e688d5
commit f5fa8ca231
22 changed files with 882 additions and 24 deletions
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14
ld/ldlang.c
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@@ -1176,8 +1176,22 @@ wild_doit (ptr, section, output, file)
if (! first && (section->output_section->flags & SEC_READONLY) == 0)
flags &= ~ SEC_READONLY;
/* Keep SEC_MERGE and SEC_STRINGS only if they are the same. */
if (! first
&& ((section->output_section->flags & (SEC_MERGE | SEC_STRINGS))
!= (flags & (SEC_MERGE | SEC_STRINGS))
|| ((flags & SEC_MERGE)
&& section->output_section->entsize != section->entsize)))
{
section->output_section->flags &= ~ (SEC_MERGE | SEC_STRINGS);
flags &= ~ (SEC_MERGE | SEC_STRINGS);
}
section->output_section->flags |= flags;
if (flags & SEC_MERGE)
section->output_section->entsize = section->entsize;
/* If SEC_READONLY is not set in the input section, then clear
it from the output section. */
if ((section->flags & SEC_READONLY) == 0)