| Age | Commit message (Collapse) | Author | Files | Lines |
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* elflink.c (elf_bfd_final_link): Don't output STT_SECTION symbol
into .dynsym if elf_section_data (sec)->dynindx <= 0.
Adjust counting of last_local.
(_bfd_elf_link_renumber_dynsyms): Don't assign dynindx to sections
other than SHT_PROGBITS/SHT_NOBITS and neither for .got/.got.plt/.plt
created by the linker nor !SHF_ALLOC.
* elf32-i386.c (elf_i386_finish_dynamic_sections): Point
DT_PLTGOT to the start of the .got.plt section instead of the
.got output section. Set sh_entsize for .got section in addition
to .got.plt.
(elf_i386_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
is at sgot->output_section->vma.
* elf64-x86-64.c (elf64_x86_64_finish_dynamic_sections): Point
DT_PLTGOT to the start of the .got.plt section instead of the
.got output section.
(elf64_x86_64_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
is at sgot->output_section->vma. Set sh_entsize for .got section
in addition to .got.plt.
* elf.c (_bfd_elf_print_private_bfd_data): Handle PT_GNU_RELRO.
(bfd_section_from_phdr): Likewise.
(map_sections_to_segments): Likewise.
(assign_file_positions_for_segments): Likewise.
(get_program_header_size): Likewise.
* elflink.c (bfd_elf_size_dynamic_sections): Set
elf_tdata (output_bfd)->relro from info->relro.
* elf-bfd.h (struct elf_obj_tdata): Add relro field.
include/
* bfdlink.h (struct bfd_link_info): Add relro, relro_start and
relro_end fields.
* elf/common.h (PT_GNU_EH_FRAME, PT_GNU_STACK): Add comments.
(PT_GNU_RELRO): Define.
binutils/
* readelf.c (get_segment_type): Handle PT_GNU_RELRO.
ld/
* genscripts.sh: Generate -z combreloc -z now -z relro scripts
for binaries, -shared and -pie.
* emulparams/elf_i386.sh (SEPARATE_GOTPLT): Set.
* emulparams/elf_x86_64.sh (SEPARATE_GOTPLT): Set.
* emulparams/elf32ppc.sh (OTHER_READWRITE_SECTIONS): Rename to...
(OTHER_RELRO_SECTIONS): ... this.
* ldlex.l (DATA_SEGMENT_RELRO_END): Add.
* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Handle
-z relro and -z norelro.
(gld${EMULATION_NAME}_list_options): Add it to usage.
(gld${EMULATION_NAME}_get_script): Return -z combreloc -z now
-z relro scripts when appropriate.
* scripttempl/elf.sc: Unset SEPARATE_GOTPLT if RELRO_NOW is set.
Create separate .got.plt section if SEPARATE_GOTPLT.
Move sections which are only written during relocation handling
to the beginning of RW segment. If NO_SMALL_DATA, move .got
before .data. Add DATA_SEGMENT_RELRO_END directive.
Include OTHER_RELRO_SECTIONS.
* ldgram.y (DATA_SEGMENT_RELRO_END): Add.
* ldexp.c (exp_print_token): Handle DATA_SEGMENT_RELRO_END.
(fold_unary): Likewise.
(fold_binary): Handle -z relro.
* ldexp.h (struct exp_data_seg): Add exp_dataseg_relro_seen and
exp_dataseg_relro_adjust phases. Add relro_end field.
* ldmain.c (main): Initialize link_info.relro to FALSE.
* ldlang.c (lang_size_sections): Handle -z relro.
ld/testsuite/
* ld-i386/tlspic.rd: Adjust for section reordering changes
and removal of unneeded STT_SECTION symbols from .dynsym.
* ld-i386/tlspic.dd: Likewise.
* ld-i386/tlspic.sd: Likewise.
* ld-i386/tlsbin.rd: Likewise.
* ld-i386/tlsbinpic.s: Likewise.
* ld-i386/tlsbin.dd: Likewise.
* ld-i386/tlsbin.sd: Likewise.
* ld-i386/tlsnopic.rd: Likewise.
* ld-i386/tlsnopic1.s: Likewise.
* ld-i386/combreloc.d: Likewise.
* ld-i386/tlsnopic.dd: Likewise.
* ld-i386/tlsnopic.sd: Likewise.
* ld-x86-64/tlspic.rd: Likewise.
* ld-x86-64/tlspic.dd: Likewise.
* ld-x86-64/tlsbin.dd: Likewise.
* ld-x86-64/tlspic.sd: Likewise.
* ld-x86-64/tlsbin.sd: Likewise.
* ld-x86-64/tlspic.td: Likewise.
* ld-x86-64/tlsbin.td: Likewise.
* ld-x86-64/tlsbin.rd: Likewise.
* ld-s390/tlspic1.s: Likewise.
* ld-s390/tlsbinpic.s: Likewise.
* ld-s390/tlspic.rd: Likewise.
* ld-s390/tlsbin.rd: Likewise.
* ld-s390/tlspic.dd: Likewise.
* ld-s390/tlsbin.dd: Likewise.
* ld-s390/tlsbin.sd: Likewise.
* ld-s390/tlsbin.td: Likewise.
* ld-s390/tlspic.sd: Likewise.
* ld-s390/tlspic.td: Likewise.
* ld-s390/tlspic1_64.s: Likewise.
* ld-s390/tlsbinpic_64.s: Likewise.
* ld-s390/tlspic_64.rd: Likewise.
* ld-s390/tlsbin_64.rd: Likewise.
* ld-s390/tlspic_64.dd: Likewise.
* ld-s390/tlsbin_64.dd: Likewise.
* ld-s390/tlspic_64.sd: Likewise.
* ld-s390/tlspic_64.td: Likewise.
* ld-s390/tlsbin_64.td: Likewise.
* ld-s390/tlsbin_64.sd: Likewise.
* ld-powerpc/tlsexe32.r: Likewise.
* ld-powerpc/tlsso32.r: Likewise.
* ld-powerpc/tlsso32.d: Likewise.
* ld-powerpc/tlsso32.g: Likewise.
* ld-powerpc/tlsso32.t: Likewise.
* ld-powerpc/tlsexe.r: Likewise.
* ld-powerpc/tlsso.r: Likewise.
* ld-powerpc/tlsso.g: Likewise.
* ld-powerpc/tlsexetoc.r: Likewise.
* ld-powerpc/tlstocso.r: Likewise.
* ld-powerpc/tlstocso.g: Likewise.
* ld-ia64/tlspic.rd: Likewise.
* ld-ia64/tlspic.dd: Likewise.
* ld-ia64/tlspic.sd: Likewise.
* ld-ia64/tlspic.td: Likewise.
* ld-ia64/tlsbin.rd: Likewise.
* ld-ia64/tlsbin.sd: Likewise.
* ld-ia64/tlsbin.td: Likewise.
* ld-elfvsb/elfvsb.exp: XFAIL non-PIC load offset tests on s390x.
* ld-shared/shared.exp: Likewise.
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PR 51.
* bfdlink.h (struct bfd_link_info): Add wrap_char.
bfd/
PR 51.
* linker.c (bfd_wrapped_link_hash_lookup): Handle info->wrap_char.
ld/
PR 51.
* emultempl/ppc64elf.em (ppc_create_output_section_statements): Set
link_info.wrap_char.
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2004-03-20 H.J. Lu <hongjiu.lu@intel.com>
* elf-bfd.h (RELOC_FOR_GLOBAL_SYMBOL): Report error if
unresolved symbols in objects aren't allowed.
* elf-hppa.h (elf_hppa_relocate_section): Properly handle
unresolved symbols.
(elf_hppa_remark_useless_dynamic_symbols): Likewise.
(elf_hppa_unmark_useless_dynamic_symbols):
* elf32-frv.c (elf32_frv_relocate_section): Likewise.
* elf32-hppa.c (elf32_hppa_size_stubs): Likewise.
(elf32_hppa_relocate_section): Likewise.
* elf32-i370.c (i370_elf_relocate_section): Likewise.
* elf32-m32r.c (m32r_elf_relocate_section): Likewise.
* elf32-sh.c (sh_elf_relocate_section): Likewise.
* elf64-sh64.c (sh_elf64_relocate_section): Likewise.
* elfxx-mips.c (mips_elf_calculate_relocation): Likewise.
* elf-m10200.c (mn10200_elf_relocate_section): Use
RELOC_FOR_GLOBAL_SYMBOL.
* elf32-avr.c (elf32_avr_relocate_section): Likewise.
* elf32-d10v.c (elf32_d10v_relocate_section): Likewise.
* elf32-fr30.c (fr30_elf_relocate_section): Likewise.
* elf32-h8300.c (elf32_h8_relocate_section): Likewise.
* elf32-i860.c (elf32_i860_relocate_section): Likewise.
* elf32-m68hc1x.c (m68hc11_get_relocation_value): Likewise.
* elf32-mcore.c (mcore_elf_relocate_section): Likewise.
* elf32-msp430.c (elf32_msp430_relocate_section): Likewise.
* elf32-openrisc.c (openrisc_elf_relocate_section): Likewise.
* elf32-v850.c (v850_elf_relocate_section): Likewise.
* elf32-xstormy16.c (xstormy16_elf_relocate_section): Likewise.
* elf64-mmix.c (mmix_elf_relocate_section): Likewise.
include/
2004-03-20 H.J. Lu <hongjiu.lu@intel.com>
* bfdlink.h (bfd_link_info): Correct comments for the
unresolved_syms_in_objects field.
ld/
2004-03-20 H.J. Lu <hongjiu.lu@intel.com>
* lexsup.c (parse_args): Don't set unresolved_syms_in_objects
or unresolved_syms_in_shared_libs for -Bdynamic and -Bstatic.
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2003-12-04 H.J. Lu <hongjiu.lu@intel.com>
* elfxx-ia64.c (elfNN_ia64_relax_section): Use the
need_relax_finalize field in link_info instead of
relax_finalizing to check if the relax finalize pass is being
done.
include/
2003-12-04 H.J. Lu <hongjiu.lu@intel.com>
* bfdlink.h (bfd_link_info): Change relax_finalizing to
need_relax_finalize.
ld/
2003-12-04 H.J. Lu <hongjiu.lu@intel.com>
* emultempl/ia64elf.em (gld${EMULATION_NAME}_after_parse): Set
link_info.need_relax_finalize to TRUE.
* ldlang.c (lang_process): Use link_info.need_relax_finalize
instead of link_info.relax_finalizing.
* ldmain.c (main): Likewise.
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2003-10-24 H.J. Lu <hongjiu.lu@intel.com>
* elflink.h (NAME(bfd_elf,size_dynamic_sections)): Look up
hash table for real symbols.
include/
2003-10-24 H.J. Lu <hongjiu.lu@intel.com>
* bfdlink.h (bfd_elf_version_expr): Add "symbol" and remove
"wildcard".
ld/
2003-10-24 H.J. Lu <hongjiu.lu@intel.com>
* ldlang.c (lang_vers_match): Check "symbol" instead of
"wildcard" and "pattern". Fix a typo.
(lang_finalize_version_expr_head): Likewise.
(lang_register_vers_node): Likewise.
(realsymbol): New function.
(lang_new_vers_pattern): Set "symbol" and remove "wildcard".
* ldlex.l (V_IDENTIFIER): Allow '\\'.
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* elflink.c (_bfd_elf_export_symbol): Adjust for globals and locals
field changes.
(_bfd_elf_link_assign_sym_version): Likewise.
* elflink.h (size_dynamic_sections): Likewise.
include/
* bfdlink.h (struct bfd_elf_version_expr): Remove match field.
Add wildcard and mask fields.
(BFD_ELF_VERSION_C_TYPE): Define.
(BFD_ELF_VERSION_CXX_TYPE): Likewise.
(BFD_ELF_VERSION_JAVA_TYPE): Likewise.
(struct bfd_elf_version_expr_head): New.
(struct bfd_elf_version_tree): Add match field.
Change type of globals and locals fields
to struct bfd_elf_version_expr_head.
ld/
* ldlang.c: Include hashtab.h.
(lang_vers_match_lang_c, lang_vers_match_lang_cplusplus,
lang_vers_match_lang_java): Remove.
(lang_vers_match): New function.
(lang_new_vers_pattern): Initialize wildcard and mask
fields, don't initialize match.
(lang_new_vers_node): Use xcalloc. Adjust for globals and
locals field type changes. Set match field.
(version_expr_head_hash, version_expr_head_eq): New functions.
(lang_finalize_version_expr_head): New function.
(lang_register_vers_node): Call lang_finalize_version_expr_head.
Search in hash table if not wildcard when looking for duplicates.
* emultempl/ppc64elf.em (new_vers_pattern): Don't bother with
duplicate checking. Initialize all fields of dot_entry from entry
with the exception of pattern and next.
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* readelf.c (get_segment_type): Handle PT_GNU_STACK.
bfd/
* elf.c (_bfd_elf_print_private_bfd_data): Handle PT_GNU_STACK.
(bfd_section_from_phdr): Likewise.
(map_sections_to_segments): Create PT_GNU_STACK segment header.
(get_program_header_size): Count with PT_GNU_STACK.
* elf-bfd.h (struct elf_obj_tdata): Add stack_flags.
* elflink.h (bfd_elfNN_size_dynamic_sections): Set stack_flags.
include/
* bfdlink.h (struct bfd_link_info): Add execstack and noexecstack.
* elf/common.h (PT_GNU_STACK): Define.
ld/
* ldgram.y (phdr_type): Grok PT_GNU_STACK.
* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Add
-z execstack and -z noexecstack.
(gld${EMULATION_NAME}_list_options): Likewise.
* scripttempl/elf.sc: If not -r, discard .note.GNU-stack section.
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2003-06-03 H.J. Lu <hongjiu.lu@intel.com>
* elflink.h (elf_link_input_bfd): Call linker error_handler
for discarded definitions.
include/
2003-06-03 H.J. Lu <hongjiu.lu@intel.com>
* bfdlink.h (LD_DEFINITION_IN_DISCARDED_SECTION): New.
ld/
2003-06-03 H.J. Lu <hongjiu.lu@intel.com>
* ldmisc.c: Include "bfdlink.h".
(error_handler): Handle LD_DEFINITION_IN_DISCARDED_SECTION
and -LD_DEFINITION_IN_DISCARDED_SECTION.
* Makefile.am: Rebuild dependency.
* Makefile.in: Regenerated.
ld/testsuite/
2003-06-03 H.J. Lu <hongjiu.lu@intel.com>
* ld-discard/extern.d: Updated.
* ld-discard/start.d: Likewise.
* ld-discard/static.d: Likewise.
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* elflink.h (elf_link_add_object_symbols): Use !info->executable
instead of info->shared where appropriate.
(bfd_elfNN_size_dynamic_sections, elf_link_output_extsym): Likewise.
* elflink.c (_bfd_elf_create_got_section): Likewise.
(_bfd_elf_link_create_dynamic_sections): Likewise.
(_bfd_elf_link_assign_sym_version): Likewise.
* elf32-i386.c (elf_i386_size_dynamic_sections): Create .interp section
and DT_DEBUG dynamic tag even for position independent executables.
* elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise.
* elf32-s390.c (elf_s390_size_dynamic_sections: Likewise.
* elf64-ppc.c (ppc64_elf_size_dynamic_sections: Likewise.
* elf64-s390.c (elf_s390_size_dynamic_sections: Likewise.
* elf64-x86-64.c (elf64_x86_64_size_dynamic_sections: Likewise.
* elfxx-ia64.c (elfNN_ia64_size_dynamic_sections: Likewise.
* elf32-sparc.c (elf32_sparc_size_dynamic_sections: Likewise.
* elf64-alpha.c (elf64_alpha_size_dynamic_sections: Likewise.
* elf64-sparc.c (sparc64_elf_size_dynamic_sections: Likewise.
include/
* bfdlink.h (struct bfd_link_info): Add pie and executable
bits.
ld/
* lexsup.c (OPTION_PIE): Define.
(ld_options): Add -pie and --pic-executable options.
(parse_args): Handle OPTION_PIE.
* ldmain.c (main): Initialize link_info.pie and
link_info.executable.
* genscripts.sh: Generate PIE scripts.
* ld.texinfo: Document -pie and --pic-executable options.
* emultempl/elf32.em (gld${EMULATION_NAME}_after_open):
(gld${EMULATION_NAME}_place_orphan): Likewise.
(gld${EMULATION_NAME}_get_script): Include PIE scripts.
* scripttempl/elf.sc: In PIE scripts set . the same way as in
shared scripts.
* emulparams/elf_i386.sh (GENERATE_PIE_SCRIPT): Set to yes.
* emulparams/elf64_ia64.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf32ppc.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf64ppc.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf_x86_64.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf_s390.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf32_sparc.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf64_sparc.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf64alpha.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf64_s390.sh (GENERATE_PIE_SCRIPT): Likewise.
* emulparams/elf_i386.sh (GENERATE_PIE_SCRIPT): Likewise.
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2003-04-28 H.J. Lu <hjl@gnu.org>
* elfxx-ia64.c (elfNN_ia64_relax_section): Relax ldxmov during
the relax finalize pass.
* section.c (struct sec): Add need_finalize_relax and remove
flag11.
(STD_SECTION): Update struct sec initializer.
* bfd-in2.h: Regenerated.
include/
2003-04-28 H.J. Lu <hjl@gnu.org>
* bfdlink.h (bfd_link_info): Add relax_finalizing.
ld/
2003-04-28 H.J. Lu <hjl@gnu.org>
* ldlang.c (lang_process): Add the relax finalize pass.
* ldmain.c (main): Initialize link_info.relax_finalizing to
FALSE.
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* bfdlink.h (bfd_link_callbacks): Add error_handler.
ld/
* ldmain.c (link_callbacks): Initialize error_handler.
* ldmisc.c (error_handler): New function.
* ldmisc.h (error_handler): New prototype.
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bit-fields. Rearrange to put all like types together.
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comparisons of bfd_boolean vars with TRUE/FALSE. Formatting.
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are extracted from archives.
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(struct bfd_link_info): Add gc_sym_list. Formatting fixes.
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imports being resilved if this feature was not requested via a command line
switch.
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* bfdlink.h (bfd_link_info): Add allow_multiple_definition.
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* bfdlink.h (enum bfd_link_order_type): Remove bfd_fill_link_order.
(struct bfd_link_order): Remove fill. Add data.size.
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(struct bfd_elf_section_data): Remove stab_info and merge_info
fields, add sec_info and sec_info_type.
(struct elf_obj_tdata): Add eh_frame_hdr field.
(_bfd_elf_discard_section_eh_frame): New prototype.
(_bfd_elf_discard_section_eh_frame_hdr): Likewise.
(_bfd_elf_eh_frame_section_offset): Likewise.
(_bfd_elf_write_section_eh_frame): Likewise.
(_bfd_elf_write_section_eh_frame_hdr): Likewise.
* Makefile.am (BFD32_BACKENDS): Add elf-eh-frame.lo.
(BFD32_BACKENDS_CFILES): Add elf-eh-frame.c.
(elf-eh-frame.lo): New.
* Makefile.in: Rebuilt.
* configure.in (elf): Add elf-eh-frame.lo.
* configure: Rebuilt.
* elf.c (_bfd_elf_print_private_bfd_data): Support PT_GNU_EH_FRAME.
(map_sections_to_segments): Create PT_GNU_EH_FRAME if requested.
(get_program_header_size): Take into account PT_GNU_EH_FRAME
segment.
(_bfd_elf_rela_local_sym): Use sec_info_type and sec_info.
(_bfd_elf_rel_local_sym): Likewise.
(_bfd_elf_section_offset): Likewise. Call
_bfd_elf_eh_frame_section_offset too.
* elfxx-ia64.c (elfNN_ia64_relocate_section): Use sec_info_type and
sec_info.
* elf64-alpha.c (elf64_alpha_relocate_section): Likewise.
* elf-eh-frame.c: New file.
* elflink.h (elf_link_add_object_symbols): Don't optimize SHF_MERGE
.stab sections. Set sec_info_type, use sec_info instead
of merge_info and stab_info.
(elf_link_create_dynamic_sections): Create .eh_frame_hdr section
if --eh-frame-hdr.
(elf_bfd_final_link): Write .eh_frame_hdr section.
(elf_link_sec_merge_syms): Use sec_info_type and sec_info.
(elf_link_input_bfd): Likewise.
Call _bfd_elf_write_section_eh_frame to write .eh_frame sections.
(elf_bfd_discard_info): Add output_bfd argument.
Call _bfd_elf_discard_section_eh_frame and
_bfd_elf_discard_section_eh_frame_hdr.
(elf_section_ignore_discarded_relocs): Use sec_info_type, not section
names.
* bfd-in.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Adjust
prototypes.
* bfd-in2.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Likewise.
* elf/common.h (PT_GNU_EH_FRAME): Define.
* bfdlink.h (struct bfd_link_info): Add eh_frame_hdr field.
* emultempl/elf32.em (finish): Supply output_bfd
to bfd_elf*_discard_info.
(OPTION_EH_FRAME_HDR): Define.
(longopts): Add --eh-frame-hdr.
(parse_args): Handle it.
(list_options): Add --eh-frame-hdr to help.
* emultempl/hppaelf.em (finish): Supply output_bfd
to bfd_elf*_discard_info.
* scripttempl/elf.sc (.eh_frame_hdr): Add.
* readelf.c (get_segment_type): Support PT_GNU_EH_FRAME.
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Apply my patch to allow SREC as output format.
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(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.
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field pei386_auto_import.
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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.
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* bfdlink.h (bfd_link_info): Add new_dtags.
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* bfdlink.h (bfd_link_info): Add flags and flags_1.
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--emit-relocs switch to the linker to preserve relocs in an output executable
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* bfdlink.h (bfd_link_callbacks): Add a boolean arg to
the undefined_symbol callback.
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fini_function.
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