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authorJakub Jelinek <jakub@redhat.com>2001-04-13 00:34:36 +0000
committerJakub Jelinek <jakub@redhat.com>2001-04-13 00:34:36 +0000
commitf5fa8ca231d47662321addbfbde105e2bed0be07 (patch)
treef7627630ea5563084aff4b9d1cfe756113ee8a85 /ld/ldlang.c
parent6c98e688d5bbc670851c9e092c132a565eb67519 (diff)
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bfd/
* 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.
Diffstat (limited to 'ld/ldlang.c')
-rw-r--r--ld/ldlang.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/ld/ldlang.c b/ld/ldlang.c
index f417a30..dbe0697 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -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)