Commit Graph

37 Commits

Author SHA1 Message Date
H.J. Lu d138220cb0 bfd/
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 '\\'.
2003-10-24 14:55:14 +00:00
Jakub Jelinek ac06287b30 bfd/
* 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.
2003-10-22 06:58:17 +00:00
Nick Clifton d704b32411 Better handking for unresolved symbols 2003-08-20 08:37:14 +00:00
Alan Modra 61982e3c09 Convert to C90. 2003-08-07 02:25:50 +00:00
Alan Modra 3d1ebe9b19 Correct spelling of "relocatable". 2003-06-25 06:40:17 +00:00
Jakub Jelinek 2aea7f3e47 binutils/
* 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.
2003-06-03 22:27:23 +00:00
H.J. Lu 15824b7c54 bfd/
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.
2003-06-03 18:15:03 +00:00
Jakub Jelinek ad767835c9 bfd/
* 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.
2003-05-30 15:50:11 +00:00
Nick Clifton 40aa85f9c5 Fix typo "ink" instead of "link" 2003-05-21 09:09:37 +00:00
H.J. Lu aa41823ffc bfd/
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.
2003-04-29 01:53:45 +00:00
H.J. Lu 480fa852f4 include/
* 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.
2003-04-24 01:43:33 +00:00
Alan Modra e2ddab05fc * bfdlink.h (struct bfd_link_info): Add "strip_discarded". 2002-12-23 11:53:12 +00:00
Alan Modra e9f731caf7 * bfdlink.h (struct bfd_link_info): Replace bfd_boolean fields with
bit-fields.  Rearrange to put all like types together.
2002-12-19 23:05:39 +00:00
Alan Modra 73593ea1dd s/boolean/bfd_boolean/ s/true/TRUE/ s/false/FALSE/. Simplify
comparisons of bfd_boolean vars with TRUE/FALSE.  Formatting.
2002-11-30 08:39:45 +00:00
Nick Clifton 69920bb5bd Add --enable-auto-import extension. 2002-11-14 18:03:17 +00:00
H.J. Lu 0cd737305b Check symbols with undefine version. 2002-08-08 03:50:17 +00:00
Nick Clifton df28dc05d4 Add new field to bfd_link structure and use it to control how common symbols
are extracted from archives.
2002-07-31 12:50:07 +00:00
Alan Modra dad0a75b0e * bfdlink.h (struct bfd_sym_chain): Declare.
(struct bfd_link_info): Add gc_sym_list.  Formatting fixes.
2002-07-01 08:04:47 +00:00
Nick Clifton f43a747271 Enable pei386_auto_import by default. Only print a info message about auto
imports being resilved if this feature was not requested via a command line
switch.
2002-06-07 14:56:01 +00:00
H.J. Lu 328001eea6 2002-05-21 H.J. Lu (hjl@gnu.org)
* bfdlink.h (bfd_link_info): Add allow_multiple_definition.
2002-05-22 05:07:20 +00:00
Alan Modra d33ab69988 Support arbitrary length fill patterns.
* bfdlink.h (enum bfd_link_order_type): Remove bfd_fill_link_order.
	(struct bfd_link_order): Remove fill.  Add data.size.
2002-02-15 02:10:03 +00:00
Jakub Jelinek d7b37ebf0a * elf-bfd.h (enum elf_link_info_type): New.
(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.
2001-12-13 11:09:33 +00:00
Alan Modra 34d2d03975 Add support for -z nocopyreloc. 2001-10-03 15:11:47 +00:00
Nick Clifton 46f2e78081 fix compile time warning message 2001-08-25 09:48:13 +00:00
Nick Clifton f02e226057 Apply H.J.'s patch to revert change to elfxx-target.h
Apply my patch to allow SREC as output format.
2001-08-24 16:36:01 +00:00
Jakub Jelinek e039969bb5 * 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.
2001-08-23 15:14:17 +00:00
Charles Wilson 3dcef5eedc * bfdlink.h (struct bfd_link_info): add new boolean
field pei386_auto_import.
2001-08-02 23:07:10 +00:00
Hans-Peter Nilsson ed5d7131a9 * bfdlink.h (struct bfd_link_info): New member export_dynamic. 2001-06-15 12:57:02 +00:00
Jakub Jelinek cf620a6912 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.
2001-04-13 00:34:36 +00:00
Nick Clifton c77e3e5481 Fix typos in ChangeLogs; add coff/external.h; fix copyright dates 2001-03-14 02:27:44 +00:00
Nick Clifton b15ced2271 Add link option to allow undefiedn symbols in shared libraries 2000-12-12 20:53:02 +00:00
H.J. Lu 938346bd95 2000-07-20 H.J. Lu <hjl@gnu.org>
* bfdlink.h (bfd_link_info): Add new_dtags.
2000-07-20 21:19:33 +00:00
H.J. Lu 5356bdcb9e 2000-07-19 H.J. Lu (hjl@gnu.org)
* bfdlink.h (bfd_link_info): Add flags and flags_1.
2000-07-20 03:23:03 +00:00
Nick Clifton 3092a0cbac Apply patch from Richard Gorton <gorton@scrugs.lkg.dec.com> to implement
--emit-relocs switch to the linker to preserve relocs in an output executable
2000-05-17 19:38:53 +00:00
H.J. Lu 0f04849fd0 2000-03-01 H.J. Lu <hjl@gnu.org>
* bfdlink.h (bfd_link_callbacks): Add a boolean arg to
	the undefined_symbol callback.
2000-03-01 19:38:01 +00:00
Mark Mitchell 71bc641897 * bfdlink.h (struct bfd_link_hash_entry): Add init_function and
fini_function.
1999-06-23 11:03:45 +00:00
Richard Henderson a3acbf4694 19990502 sourceware import 1999-05-03 07:29:06 +00:00