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author | Jakub Jelinek <jakub@redhat.com> | 2001-08-23 15:14:18 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2001-08-23 15:14:18 +0000 |
commit | db6751f2e760a6a65ab297b83942951b9aea3b79 (patch) | |
tree | 54f3e4f79ab1a218ff657703ad47ff331d756dd2 /ld/emultempl | |
parent | da4d4077bcdd5d25d56c0d216a2ff9009cb60649 (diff) | |
download | gdb-db6751f2e760a6a65ab297b83942951b9aea3b79.zip gdb-db6751f2e760a6a65ab297b83942951b9aea3b79.tar.gz gdb-db6751f2e760a6a65ab297b83942951b9aea3b79.tar.bz2 |
* elf-bfd.h (enum elf_reloc_type_class): New.
(struct elf_backend_data): Add elf_backend_reloc_type_class.
(_bfd_elf_reloc_type_class): New.
* elfxx-target.h (elf_backend_reloc_type_class): Define.
(elfNN_bed): Add elf_backend_reloc_type_class.
* elf.c (_bfd_elf_reloc_type_class): New.
* elf32-i386.c (elf_i386_check_relocs): Set DF_TEXTREL if the reloc
is against read-only section.
(elf_i386_size_dynamic_sections): Use DF_TEXTREL flag instead of
looking up section names for DT_TEXTREL.
(elf_i386_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
* elf32-sparc.c (elf32_sparc_check_relocs): Set DF_TEXTREL if the
reloc is against read-only section.
(elf32_sparc_size_dynamic_sections): Use DF_TEXTREL flag instead of
looking up section names for DT_TEXTREL.
(elf32_sparc_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
* elf64-sparc.c (sparc64_elf_check_relocs): Set DF_TEXTREL if the
reloc is against read-only section.
(sparc64_elf_size_dynamic_sections): Use DF_TEXTREL flag instead of
looking up section names for DT_TEXTREL.
(sparc64_elf_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
* elfxx-ia64.c (struct elfNN_ia64_link_hash_table): Add reltext field.
(elfNN_ia64_hash_table_create): Clear ia64_info.
(get_reloc_section): Set DF_TEXTREL if the reloc is against read-only
section.
(elfNN_ia64_size_dynamic_sections): Use ia64_info->reltext flag
instead of looking up section names for DT_TEXTREL.
(elfNN_ia64_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
* elflink.h (size_dynamic_sections): Add spare DT_NULL tags.
(struct elf_link_sort_rela): New.
(elf_link_sort_cmp1, elf_link_sort_cmp2, elf_link_sort_relocs): New.
(elf_bfd_final_link): Call elf_link_sort_relocs.
Convert one spare DT_NULL into DT_RELCOUNT resp. DT_RELACOUNT if
necessary.
* bfdlink.h (struct bfd_link_info): Add combreloc and
spare_dynamic_tags fields.
* emultempl/elf32.em (place_orphan): Place orphan .rel* sections
into .rel.dyn resp. .rela.dyn if combreloc.
(get_script): If .x linker script is equal to .xn, only put it
once into the binary.
Add .xc and .xsc scripts.
(parse_args): Handle -z combreloc and -z nocombreloc.
* scripttempl/elf.sc (.rela.sbss): Fix a typo.
For .xc and .xsc scripts put all .rel* or .rela* input sections
but .rel*.plt and PLT-like sections into .rel.dyn resp. .rela.dyn.
* genscripts.sh (GENERATE_COMBRELOC_SCRIPT): Set if SCRIPT_NAME
is elf.
Strip trailing whitespace from script.
Generate .xc and .xsc scripts if requested.
* ldmain.c (main): Initialize link_info.combreloc and
link_info.spare_dynamic_tags.
* lexsup.c (OPTION_SPARE_DYNAMIC_TAGS): Define.
(ld_options): Add --spare-dynamic-tags option.
(parse_args): Likewise.
* ld.texinfo: Document -z combreloc and -z nocombreloc.
* ldint.texinfo: Document .xc and .xsc linker scripts.
* NEWS: Add notes about -z combreloc and SHF_MERGE.
Diffstat (limited to 'ld/emultempl')
-rw-r--r-- | ld/emultempl/elf32.em | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/ld/emultempl/elf32.em b/ld/emultempl/elf32.em index 93dc739..0e5cd99 100644 --- a/ld/emultempl/elf32.em +++ b/ld/emultempl/elf32.em @@ -1135,7 +1135,25 @@ gld${EMULATION_NAME}_place_orphan (file, s) else if (strncmp (secname, ".rel", 4) == 0 && (hold_rel.os != NULL || (hold_rel.os = output_rel_find ()) != NULL)) - place = &hold_rel; + { + if (! link_info.relocateable && link_info.combreloc) + { + if (strncmp (secname, ".rela", 5) == 0) + os = lang_output_section_find (".rela.dyn"); + else + os = lang_output_section_find (".rel.dyn"); + + if (os != NULL + && os->bfd_section != NULL + && ((s->flags ^ os->bfd_section->flags) + & (SEC_LOAD | SEC_ALLOC)) == 0) + { + lang_add_section (&os->children, s, os, file); + return true; + } + } + place = &hold_rel; + } else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY && HAVE_SECTION (hold_rodata, ".rodata")) place = &hold_rodata; @@ -1332,14 +1350,18 @@ echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME} sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c +if ! cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c - +fi if test -n "$GENERATE_SHLIB_SCRIPT" ; then +echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c +sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c fi - +echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c +sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c echo ' ; else return' >> e${EMULATION_NAME}.c sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c echo '; }' >> e${EMULATION_NAME}.c @@ -1492,6 +1514,10 @@ cat >>e${EMULATION_NAME}.c <<EOF } else if (strcmp (optarg, "defs") == 0) link_info.no_undefined = true; + else if (strcmp (optarg, "combreloc") == 0) + link_info.combreloc = true; + else if (strcmp (optarg, "nocombreloc") == 0) + link_info.combreloc = false; /* What about the other Solaris -z options? FIXME. */ break; EOF |