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0841712ea9
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114 Commits

Author SHA1 Message Date
Jakub Jelinek
0841712ea9 * ldgram.y (sect_constraint): New. 
(ONLY_IF_RO, ONLY_IF_RW): New tokens.
	(section): Add sect_constraint.  Pass additional argument
	to lang_enter_output_section_statement.
	* mri.c (mri_draw_tree): Pass additional argument to
	lang_enter_output_section_statement.
	* emultempl/pe.em (place_orphan): Likewise.
	(output_prev_sec_find): Disregard output section statements with
	constraint == -1.
	* emultempl/mmo.em (output_prev_sec_find): Likewise.
	(mmo_place_orphan): Pass additional argument to
	lang_enter_output_section_statement.
	* emultempl/elf32.em (output_prev_sec_find): Disregard output section
	statements with constraint == -1.
	(place_orphan): Pass additional argument to
	lang_enter_output_section_statement.
	* ldlang.c (lang_enter_overlay_section): Likewise.
	(lang_output_section_find_1): New.
	(lang_output_section_find): Use it.
	(lang_output_section_statement_lookup_1): New.
	(lang_output_section_statement_lookup): Use it.
	(check_section_callback, check_input_sections): New.
	(map_input_to_output_sections): Check if all input sections
	are readonly if ONLY_IF_RO or ONLY_IF_RW was seen.
	(strip_excluded_output_sections): Disregard output section statements
	with constraint == -1.
	(lang_record_phdrs): Likewise.
	(lang_enter_output_section_statement): Add constraint argument.
	Use lang_output_section_statement_lookup_1.
	* ldlang.h (lang_output_section_statement_type): Add constraint
	and all_input_readonly fields.
	(lang_enter_output_section_statement): Adjust prototype.
	* ldlex.l (ONLY_IF_RO, ONLY_IF_RW): New tokens.
	* scripttempl/elf.sc (.eh_frame, .gcc_except_table): Move into text
	segment if all input sections are readonly.
 2004-05-19 14:01:14 +00:00
Jakub Jelinek
8c37241be3 bfd/ 
* 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.
 2004-05-11 17:08:38 +00:00
Alan Modra
d0d6a25bf3 * ldlang.c (unique_section_p): Pass section parm, return true on 
group sections.
	(output_section_callback): Adjust.
	* ldlang.h (unique_section_p): Update prototype.
	* emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Adjust.
 2004-04-30 14:26:09 +00:00
Alan Modra
7a945db630 * emultempl/elf32.em: Update new bfd_elf_discard_info name. 
* emultempl/hppaelf.em: Likewise.
	* emultempl/ppc64elf.em: Likewise.
	* emultempl/sh64elf.em: Likewise.
 2004-03-27 10:58:35 +00:00
Alan Modra
5a580b3ac2 bfd/ 
* elflink.h (elf_link_add_object_symbols): Add DT_NEEDED for as-needed
	and chained shared libs only if dynsym.  Clear dynsym on forced-local.

	* elf-bfd.h (_bfd_elf_add_dynamic_entry): Declare.
	(bfd_elf32_add_dynamic_entry, bfd_elf64_add_dynamic_entry): Delete.
	(_bfd_elf_add_dt_needed_tag): Declare.
	(_bfd_elf_sort_symbol): Declare.
	(_bfd_elf_finalize_dynstr): Declare.
	(RELOC_FOR_GLOBAL_SYM): Formatting.
	* elfcode.h (elf_add_dynamic_entry): Delete.
	* elflink.c (_bfd_elf_add_dynamic_entry): New function.  Corresponding
	elflink.h function converted to use elf_size_info.
	(_bfd_elf_add_dt_needed_tag): Likewise.
	(_bfd_elf_sort_symbol): Likewise.
	(_bfd_elf_finalize_dynstr): Likewise.
	(compute_bucket_count): Likewise.
	(bfd_elf_size_dynamic_sections): Likewise.  Check result of
	_bfd_elf_strtab_add before calling _bfd_elf_strtab_addref.
	(elf_adjust_dynstr_offsets, elf_collect_hash_codes): Moved from..
	* elflink.h: ..here.
	(sort_symbol, add_dt_needed_tag): Delete.
	(elf_add_dynamic_entry, elf_finalize_dynstr): Delete.
	(compute_bucket_count, NAME(bfd_elf,size_dynamic_sections)): Delete.
	Update all users.
	* elf32-arm.h (add_dynamic_entry): Update.  Remove casts.
	* elf32-cris.c (add_dynamic_entry): Likewise.
	* elf32-hppa.c (add_dynamic_entry): Likewise.
	* elf32-i370.c (add_dynamic_entry): Likewise.
	* elf32-i386.c (add_dynamic_entry): Likewise.
	* elf32-m32r.c (add_dynamic_entry): Likewise.
	* elf32-m68k.c (add_dynamic_entry): Likewise.
	* elf32-ppc.c (add_dynamic_entry): Likewise.
	* elf32-s390.c (add_dynamic_entry): Likewise.
	* elf32-sh.c (add_dynamic_entry): Likewise.
	* elf32-sparc.c (add_dynamic_entry): Likewise.
	* elf32-vax.c (add_dynamic_entry): Likewise.
	* elf32-xtensa.c (add_dynamic_entry): Likewise.
	* elf64-alpha.c (add_dynamic_entry): Likewise.
	* elf64-hppa.c (add_dynamic_entry): Likewise.
	* elf64-ppc.c (add_dynamic_entry): Likewise.
	* elf64-s390.c (add_dynamic_entry): Likewise.
	* elf64-sparc.c (add_dynamic_entry): Likewise.
	* elf64-x86-64.c (add_dynamic_entry): Likewise.
	* elfxx-ia64.c (add_dynamic_entry): Likewise.
	* elfxx-mips.c (MIPS_ELF_ADD_DYNAMIC_ENTRY): Likewise.
	* elf-m10300.c (_bfd_mn10300_elf_size_dynamic_sections): Likewise.
	* elf32-frv.c (elf32_frv_size_dynamic_sections): Likewise.
	* elf64-sh64.c (sh64_elf64_size_dynamic_sections): Likewise.
ld/
	* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation): Update
	size_dynamic_sections call.
 2004-03-25 12:48:45 +00:00
Alan Modra
4a43e768f1 bfd/ 
* elf-bfd.h (struct elf_obj_tdata): Delete dt_soname field.  Add
	dyn_lib_class field.  Rearrange for better packing.
	(elf_dt_soname): Delete.
	(elf_dyn_lib_class): Define.
	* elf.c (bfd_elf_set_dt_needed_name): Update comment.
	(bfd_elf_set_dt_needed_soname): Delete.
	(bfd_elf_set_dyn_lib_class): New function.
	* elflink.h (add_dt_needed_tag): New function.  Split out from..
	(elf_link_add_object_symbols): ..here.  Rename "name" to "soname".
	Use elf_dyn_lib_class to set dt_needed and add_needed.  Move fallback
	initialization of soname.
	(elf_link_check_versioned_symbol): Test elf_dyn_lib_class instead of
	elf_dt_soname.
	* bfd-in.h (enum dynamic_lib_link_class): New.
	(bfd_elf_set_dt_needed_soname): Delete.
	(bfd_elf_set_dyn_lib_class): Declare.
	* bfd-in2.h: Regenerate.
ld/
	* ld.texinfo: Add --as-needed doco.
	* ldmain.c (as_needed): New global var.
	* ldmain.h (as_needed): Declare.
	* lexsup.c (option_values): Add OPTION_AS_NEEDED and
	OPTION_NO_AS_NEEDED.
	(ld_options): Likewise.
	(parse_args): Handle them.
	* ldlang.h (lang_input_statement_type): Add as_needed field.
	* ldlang.c (new_afile): Set p->as_needed.
	* emultempl/elf32.em (gld${EMULATION_NAME}_load_symbols): New function.
	(gld${EMULATION_NAME}_try_needed): Use bfd_elf_set_dyn_lib_class.
	(ld_${EMULATION_NAME}_emulation): Set LDEMUL_RECOGNIZED_FILE entry.

	* ldlang.c (open_input_bfds): Remove useless cast.
	(lang_do_assignments_1): Likewise.
	(lang_for_each_input_section): Delete.
 2004-03-18 12:50:20 +00:00
Alan Modra
e5caa5e0ca * ldexp.c (align_n): Make static. 
* ldexp.h (align_n): Delete declaration.
	* ldlang.h (lang_enter_output_section_statement): Remove
	block_value param.
	* ldlang.c (lang_enter_output_section_statement): Likewise.
	(TO_ADDR, TO_SIZE): Define.
	(opb): New var.
	(init_opb): New function.
	(print_input_section): Call init_opb and use TO_ADDR.
	(print_data_statement, print_reloc_statement): Likewise.
	(print_padding_statement): Likewise.
	(size_input_section): Use TO_SIZE and TO_ADDR, and global opb.
	(lang_check_section_addresses): Likewise.
	(lang_size_sections_1): Likewise.
	(lang_do_assignments_1): Likewise.
	(lang_set_startof): Likewise.
	(lang_one_common): Likewise.  Combine power_of_two and opb alignment.
	(lang_process): Call init_opb.
	(lang_abs_symbol_at_end_of): Use TO_ADDR and global opb.
	(lang_enter_overlay_section): Adjust
	lang_enter_output_section_statement call.
	* ldgram.y: Likewise.
	* mri.c (mri_draw_tree): Likewise.
	* emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Likewise.
	* emultempl/mmo.em (mmo_place_orphan): Likewise.
	* emultempl/pe.em (gld${EMULATION_NAME}_place_orphan): Likewise.
 2004-01-03 12:39:07 +00:00
Alan Modra
5e2f15758b * ldfile.c (ldfile_set_output_arch): Add defarch param. 
* ldfile.h (ldfile_set_output_arch): Ditto.
	* emultempl/aix.em (gld${EMULATION_NAME}_before_parse): Use
	ldfile_set_output_arch.
	* emultempl/beos.em (gld${EMULATION_NAME}_before_parse): Ditto.
	* emultempl/elf32.em (gld${EMULATION_NAME}_before_parse): Ditto.
	* emultempl/linux.em (gld${EMULATION_NAME}_before_parse): Ditto.
	* emultempl/mipsecoff.em (gld${EMULATION_NAME}_before_parse): Ditto.
	* emultempl/pe.em (gld${EMULATION_NAME}_before_parse): Ditto.
	* emultempl/sunos.em (gld${EMULATION_NAME}_before_parse): Ditto.
	* ldgram.y: Adjust ldfile_set_output_arch call.
	* emultempl/armcoff.em (gld${EMULATION_NAME}_before_parse): Ditto.
	* emultempl/armelf.em (gld${EMULATION_NAME}_before_parse): Ditto.
	* emultempl/armelf_oabi.em (gld${EMULATION_NAME}_before_parse): Ditto.
	* emultempl/generic.em (gld${EMULATION_NAME}_before_parse): Ditto.
	* emultempl/gld960c.em (gld960_set_output_arch): Ditto.
	* emultempl/m68kcoff.em (gld${EMULATION_NAME}_before_parse): Ditto.
	* emultempl/ticoff.em (gld${EMULATION_NAME}_before_parse): Ditto.
 2004-01-03 11:09:07 +00:00
Alan Modra
fd574c4615 * emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation): Test 
hash table type rather than testing creator flavour.
	* emultempl/hppaelf.em (hppaelf_create_output_section_statements):
	Only create stub_file bfd if hash table creator is as expected.
	(gld${EMULATION_NAME}_finish): Test stub_file.
 2003-12-01 06:28:56 +00:00
Alan Modra
e1918d2387 * bfd-in.h (_bfd_elf_tls_setup): Declare. 
* bfd-in2.h: Regenerate.
	* elf-bfd.h (struct elf_link_tls_segment): Delete.
	(struct elf_link_hash_table): Add tls_sec and tls_size.
	* elf.c (_bfd_elf_link_hash_table_init): Init tls_sec and tls_size.
	* elflink.c (_bfd_elf_tls_setup): New function.
	* elflink.h (struct elf_final_link_info): Remove first_tls_sec.
	(elf_bfd_final_link): Don't set first_tls_sec here.  Update code
	saving tls segment info, round segment size up.
	(elf_link_output_extsym): Adjust code using tls segment info.
	(elf_link_input_bfd): Likewise.
	* elf32-i386.c (dtpoff_base, tpoff): Likewise.
	* elf32-s390.c (dtpoff_base, tpoff): Likewise.
	* elf32-sh.c (dtpoff_base, tpoff): Likewise.
	* elf32-sparc.c (dtpoff_base, tpoff): Likewise.
	* elf64-s390.c (dtpoff_base, tpoff): Likewise.
	* elf64-x86-64.c (dtpoff_base, tpoff): Likewise.
	* elfxx-ia64.c (elfNN_ia64_tprel_base): Likewise.
	(elfNN_ia64_dtprel_base): Likewise.
	* elf64-alpha.c (alpha_get_dtprel_base): Likewise.
	(alpha_get_tprel_base): Likewise.
	(struct alpha_relax_info): Remove tls_segment.
	(elf64_alpha_relax_got_load): Adjust invocation of
	alpha_get_dtprel_base and alpha_get_tprel_base.
	(elf64_alpha_relax_tls_get_addr): Likewise.
	(elf64_alpha_relax_section): Likewise.
	(elf64_alpha_relocate_section): Likewise.
	(elf64_alpha_relax_find_tls_segment): Delete.
	* elf32-ppc.c (struct ppc_elf_link_hash_table): Remove tls_sec.
	(ppc_elf_tls_setup): Call _bfd_elf_tls_setup.  Return section.
	(ppc_elf_relocate_section): Adjust to use elf.tls_sec.
	* elf32-ppc.h (ppc_elf_tls_setup): Update.
	* elf64-ppc.c (struct ppc_link_hash_table): Remove tls_sec.
	(ppc64_elf_tls_setup): Call _bfd_elf_tls_setup.  Return section.
	(ppc64_elf_tls_optimize): Adjust to use elf.tls_sec.
	(ppc64_elf_relocate_section): Likewise.
	* elf64-ppc.h (ppc64_elf_tls_setup): Update.

	* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation): Call
	_bfd_elf_tls_setup.
 2003-11-04 06:16:39 +00:00
Nick Clifton
560e09e9cc Better handking for unresolved symbols 2003-08-20 08:37:19 +00:00
Nick Clifton
8c6756949e Prefix .gnu.warning section messages with "warning: ". 2003-08-04 11:32:52 +00:00
Alan Modra
2a36a1175e * emultempl/elf32.em (output_rel_find): Add "isdyn" param. Put 
.rel.dyn before other reloc sections.  Don't stop looking for reloc
	sections on finding one that isn't allocated.  Match .rel even when
	placing .rela and vice versa, when setting last_rel and
	last_rel_alloc for the first time.  If no reloc sections in script,
	prefer allocated section over non-alloc.
	(gld${EMULATION_NAME}_place_orphan): Handle orphan .rel.dyn.
 2003-08-04 04:01:39 +00:00
Alan Modra
0c7a8e5acd * emultempl/aix.em: Convert to C90, remove unnecessary prototypes 
and casts.  Replace PTR with void *.  Formatting.
	* emultempl/alphaelf.em: Likewise
	* emultempl/armcoff.em: Likewise
	* emultempl/armelf.em: Likewise
	* emultempl/armelf_oabi.em: Likewise
	* emultempl/beos.em: Likewise
	* emultempl/elf32.em: Likewise
	* emultempl/generic.em: Likewise
	* emultempl/gld960.em: Likewise
	* emultempl/gld960c.em: Likewise
	* emultempl/hppaelf.em: Likewise
	* emultempl/linux.em: Likewise
	* emultempl/lnk960.em: Likewise
	* emultempl/m68hc1xelf.em: Likewise
	* emultempl/m68kcoff.em: Likewise
	* emultempl/m68kelf.em: Likewise
	* emultempl/mipsecoff.em: Likewise
	* emultempl/mipself.em: Likewise
	* emultempl/mmix-elfnmmo.em: Likewise
	* emultempl/mmixelf.em: Likewise
	* emultempl/mmo.em: Likewise
	* emultempl/needrelax.em: Likewise
	* emultempl/netbsd.em: Likewise
	* emultempl/pe.em: Likewise
	* emultempl/sh64elf.em: Likewise
	* emultempl/sunos.em: Likewise
	* emultempl/ticoff.em: Likewise
	* emultempl/vanilla.em: Likewise
	* emultempl/xtensaelf.em: Likewise
	* Makefile.am: Correct dependencies.
	* Makefile.in: Regenerate.
 2003-06-27 00:38:25 +00:00
Alan Modra
1049f94e8e Correct spelling of "relocatable". 2003-06-25 06:40:27 +00:00
Roland McGrath
10b4329d5b 2003-06-05 Roland McGrath <roland@redhat.com> 
* emultempl/elf32.em (gld${EMULATION_NAME}_list_options): Remove
	extra \t in -z noexecstack line.
 2003-06-06 06:28:42 +00:00
Jakub Jelinek
9ee5e4996f binutils/ 
* readelf.c (get_segment_type): Handle PT_GNU_STACK.
bfd/
	* elf.c (_bfd_elf_print_private_bfd_data): Handle PT_GNU_STACK.
	(bfd_section_from_phdr): Likewise.
	(map_sections_to_segments): Create PT_GNU_STACK segment header.
	(get_program_header_size): Count with PT_GNU_STACK.
	* elf-bfd.h (struct elf_obj_tdata): Add stack_flags.
	* elflink.h (bfd_elfNN_size_dynamic_sections): Set stack_flags.
include/
	* bfdlink.h (struct bfd_link_info): Add execstack and noexecstack.
	* elf/common.h (PT_GNU_STACK): Define.
ld/
	* ldgram.y (phdr_type): Grok PT_GNU_STACK.
	* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Add
	-z execstack and -z noexecstack.
	(gld${EMULATION_NAME}_list_options): Likewise.
	* scripttempl/elf.sc: If not -r, discard .note.GNU-stack section.
 2003-06-03 22:27:24 +00:00
Jakub Jelinek
36af4a4e51 bfd/ 
* elflink.h (elf_link_add_object_symbols): Use !info->executable
	instead of info->shared where appropriate.
	(bfd_elfNN_size_dynamic_sections, elf_link_output_extsym): Likewise.
	* elflink.c (_bfd_elf_create_got_section): Likewise.
	(_bfd_elf_link_create_dynamic_sections): Likewise.
	(_bfd_elf_link_assign_sym_version): Likewise.
	* elf32-i386.c (elf_i386_size_dynamic_sections): Create .interp section
	and DT_DEBUG dynamic tag even for position independent executables.
	* elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise.
	* elf32-s390.c (elf_s390_size_dynamic_sections: Likewise.
	* elf64-ppc.c (ppc64_elf_size_dynamic_sections: Likewise.
	* elf64-s390.c (elf_s390_size_dynamic_sections: Likewise.
	* elf64-x86-64.c (elf64_x86_64_size_dynamic_sections: Likewise.
	* elfxx-ia64.c (elfNN_ia64_size_dynamic_sections: Likewise.
	* elf32-sparc.c (elf32_sparc_size_dynamic_sections: Likewise.
	* elf64-alpha.c (elf64_alpha_size_dynamic_sections: Likewise.
	* elf64-sparc.c (sparc64_elf_size_dynamic_sections: Likewise.
include/
	* bfdlink.h (struct bfd_link_info): Add pie and executable
	bits.
ld/
	* lexsup.c (OPTION_PIE): Define.
	(ld_options): Add -pie and --pic-executable options.
	(parse_args): Handle OPTION_PIE.
	* ldmain.c (main): Initialize link_info.pie and
	link_info.executable.
	* genscripts.sh: Generate PIE scripts.
	* ld.texinfo: Document -pie and --pic-executable options.
	* emultempl/elf32.em (gld${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 15:50:12 +00:00
Alan Modra
efdffbe268 * Makefile.am (em68hc11elf.c): Correct dependencies. 
(em68hc11elfb.c, em68hc12elf.c, em68hc12elfb.c): Likewise.
	* Makefile.in: Regenerate.
	* emultempl/elf32.em (find_exp_assignment): Adjust for changed
	bfd_elf_record_link_assignment name.
 2003-05-09 02:28:01 +00:00
Alan Modra
fcf6587111 * ldemul.c: Include getopt.h. 
* emultempl/elf32.em: Include getopt.h earlier.
	* emultempl/ticoff.em: Likewise.
 2003-02-28 22:55:11 +00:00
Alan Modra
a060b769bb * emultempl/elf32.em (gld${EMULATION_NAME}_get_script): Add combreloc 
support when scripts read from files.
 2003-02-28 04:46:04 +00:00
Alan Modra
3bcf55573d * ldemul.c (ldemul_add_options, ldemul_handle_option): New functions. 
(ldemul_parse_args): Return bfd_boolean.  Formatting.
	* ldemul.h (ldemul_add_options, ldemul_handle_option): Declare.
	(ldemul_parse_args): Adjust.
	(struct ld_emulation_xfer_struct): Add add_options and handle_option.
	Return bfd_boolean from parse_args.
	* lexsup.c (parse_args): Malloc shortopts, longopts and
	really_longopts.  Call ldemul_add_options and ldemul_handle_option.
	* emultempl/aix.em (gld${EMULATION_NAME}_add_options): Split out from
	gld${EMULATION_NAME}_parse_args.
	(gld${EMULATION_NAME}_handle_option): Likewise.
	(ld_${EMULATION_NAME}_emulation): Adjust initializer.
	* emultempl/armcoff.em: As for aix.em, but remove parse_args.
	* emultempl/beos.em: Likewise.
	* emultempl/pe.em: Likewise.
	* emultempl/ticoff.em: Likewise.
	* emultempl/elf32.em: Likewise.  Don't duplicate long options either.
	(gld${EMULATION_NAME}_add_sysroot): Prototype.
	* emultempl/armelf.em (PARSE_AND_LIST_LONGOPTS): Don't duplicate
	options.
	* emultempl/hppaelf.em (PARSE_AND_LIST_LONGOPTS): Likewise.
	* emultempl/ppc32elf.em (PARSE_AND_LIST_LONGOPTS): Likewise.
	* emultempl/ppc64elf.em (PARSE_AND_LIST_LONGOPTS): Likewise.
	* emultempl/armelf_oabi.em (ld_${EMULATION_NAME}_emulation): Adjust
	initializer.
	* emultempl/generic.em: Likewise.
	* emultempl/gld960.em: Likewise.
	* emultempl/gld960c.em: Likewise.
	* emultempl/linux.em: Likewise.
	* emultempl/lnk960.em: Likewise.
	* emultempl/m68kcoff.em: Likewise.
	* emultempl/mipsecoff.em: Likewise.
	* emultempl/sunos.em: Likewise.
	* emultempl/vanilla.em: Likewise.
	* emultempl/netbsd.em (gldnetbsd_before_parse): Prototype.
 2003-02-28 01:32:31 +00:00
Alexandre Oliva
42644a8920 * emultempl/elf32.em (gld${EMULATION_NAME}_add_sysroot): Fix 
memory allocation error.
 2003-02-26 00:56:14 +00:00
Nick Clifton
cf888e70e2 Disable region size checking whilst relaxing sections. 2003-02-21 10:51:24 +00:00
Daniel Jacobowitz
3dc16cab3d * emultempl/elf32.em: Move gld${EMULATION_NAME}_add_sysroot 
outside of GNU/Linux conditional.
 2003-02-03 17:47:23 +00:00
Andreas Jaeger
ae42d3a94d * emultempl/elf32.em (gld${EMULATION_NAME}_add_sysroot): Do not 
skip ':'.
 2003-01-17 10:36:49 +00:00
Daniel Jacobowitz
9c8ebd6a51 * Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. 
* Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@.
	(GENSCRIPTS): Add @use_sysroot@.
	* Makefile.in: Regenerated.
	* configure.host: Move setting of NATIVE_LIB_DIRS to...
	* configure.tgt: ... here.  Use ${target} instead of ${host}
	for NATIVE_LIB_DIRS.
	* configure.in: Add --with-sysroot.
	* configure: Regenerated.
	* genscripts.sh: Accept use_sysroot option.  Set new variables
	NATIVE and USE_LIBPATH.  Prepend "=" to directory names if
	$use_sysroot.  Don't search $tool_lib if $use_sysroot.
	* ldfile.c (ldfile_add_library_path): Handle leading '='.
	* ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined.
	(ld_sysroot): New variable.
	(main): Initialize ld_sysroot.
	* ldmain.h (ld_sysroot): New extern.
	* emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of
	searching $EMULATION_LIBPATH.
	(gld${EMULATION_NAME}_add_sysroot): New function.
	(gld${EMULATION_NAME}_check_ld_so_conf): Use it.  Honor ld_sysroot.
	(gld${EMULATION_NAME}_after_open): Likewise.  Only search
	environment variables if $NATIVE.
	* ld.texinfo (Options): Mention "=" prefix in the description of -L.
	* NEWS: Mention --with-sysroot.

	* emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX
	instead of setting LIB_PATH.
	* emulparams/elf32ppc.sh: Likewise.
	* emulparams/elf64_s390.sh: Likewise.
	* emulparams/elf64_sparc.sh: Likewise.
	* emulparams/elf64ppc.sh: Likewise.
	* emulparams/elf_x86_64.sh: Likewise.

	* emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH.
	* emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
 2003-01-06 16:14:01 +00:00
Alan Modra
1e5e54006d * emultempl/elf32.em (struct orphan_save): Add os_tail field. 
(gld${EMULATION_NAME}_place_orphan): Re-order output_section_statement
	list too.
 2002-12-10 03:34:43 +00:00
Alan Modra
36478e9d6f * emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Set 
load_base for orphans that follow a section with load_base set.
 2002-12-04 23:56:14 +00:00
Alan Modra
b34976b65a s/boolean/bfd_boolean/ s/true/TRUE/ s/false/FALSE/. Simplify 
comparisons of bfd_boolean vars with TRUE/FALSE.  Formatting.
 2002-11-30 08:39:46 +00:00
Daniel Jacobowitz
df2a731323 * emultempl/aix.em: Use include <> for generated headers. 
* emultempl/beos.em: Likewise.
	* emultempl/elf32.em: Likewise.
	* emultempl/pe.em: Likewise.
	* ldctor.c: Likewise.
	* ldexp.c: Likewise.
	* ldfile.c: Likewise.
	* ldlang.c: Likewise.
	* ldlex.c: Likewise.
	* ldlex.l: Likewise.
	* ldmain.c: Likewise.
	* ldmisc.c: Likewise.
	* ldwrite.c: Likewise.
	* lexsup.c: Likewise.
	* mri.c: Likewise.
	* pe-dll.c: Likewise.
 2002-10-30 03:57:39 +00:00
Jakub Jelinek
a8927cfd1a * emultempl/elf32.em (place_orphan): Don't put non-allocated .rel* 
sections into .rel{,a}.dyn.
 2002-10-23 20:13:01 +00:00
Alan Modra
24cdb50ae8 * emultempl/elf32.em (output_rel_find): Prefer .rel script sections 
when orphan is .rel, .rela when orphan is .rela.
	(gld${EMULATION_NAME}_place_orphan): Handle combreloc .rel* case
	first.  Remove outsecname var.
 2002-10-10 02:52:27 +00:00
Alan Modra
ba49312244 * emultempl/elf32.em (output_rel_find): Always place orphan loadable 
reloc sections just before .rel.plt/.rela.plt.
	(gld${EMULATION_NAME}_place_orphan <.rel>): Remove combreloc code.
	Only put loadable reloc sections in hold_rel.
 2002-09-30 03:34:46 +00:00
Alan Modra
25844aaec2 * emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Don't 
bomb on /DISCARD/ input section.
	* emultempl/pe.em (gld_${EMULATION_NAME}_place_orphan): Likewise.
	* emultempl/mmo.em (mmo_place_orphan): Likewise.
 2002-07-20 13:41:11 +00:00
Tom Rix
8243435612 Fix ld segfault for some elf targets. Fix default layout for d10v. 2002-06-17 14:08:40 +00:00
H.J. Lu
c4bb8067a5 2002-06-12 H.J. Lu <hjl@gnu.org> 
* emultempl/elf32.em (gld${EMULATION_NAME}_try_needed): Return
	false if xvec doesn't match.
 2002-06-13 02:43:23 +00:00
Alan Modra
1d475d825e * emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Place 
SEC_EXCLUDE sections when doing a relocatable link.
 2002-06-05 14:07:29 +00:00
Richard Sandiford
ee3cc2e2ee * ldlang.c (lang_size_sections_1): Move check for conflicting load 
addresses and regions from here...
	(lang_get_regions): ...to this new function.
	(lang_leave_output_section_statement): Use lang_get_regions.
	(lang_leave_overlay): Likewise.
	* mri.c (mri_draw_tree): Pass null as last argument to
	lang_leave_output_section_statement.
	* emultempl/elf32.em (gld*_place_orphan): Likewise.
	* emultempl/mmo.em (mmo_place_orphan): Likewise.
	* emultempl/pe.em (gld*_place_orphan): Likewise.
 2002-05-27 08:22:08 +00:00
Alan Modra
fac1652d6b * ldemul.c (ldemul_new_vers_pattern): New function. 
* ldemul.h (ldemul_new_vers_pattern): Declare.
	(struct ld_emulation_xfer_struct): Add new_vers_pattern.
	* ldlang.c (lang_new_vers_pattern): Call ldemul_new_vers_pattern.
	* emultempl/ppc64elf.em (dotsyms): New static var.
	(gld${EMULATION_NAME}_new_vers_pattern): New function.
	(LDEMUL_NEW_VERS_PATTERN): Define.
	(PARSE_AND_LIST_PROLOGUE): Add OPTION_DOTSYMS, OPTION_NO_DOTSYMS.
	(PARSE_AND_LIST_LONGOPTS): Likewise.
	(PARSE_AND_LIST_ARGS_CASES): Handle them.
	* emultempl/aix.em (ld_${EMULATION_NAME}_emulation): Update
	initialiser.
	* emultempl/armcoff.em: Likewise.
	* emultempl/armelf_oabi.em: Likewise.
	* emultempl/beos.em: Likewise.
	* emultempl/elf32.em: Likewise.
	* emultempl/generic.em: Likewise.
	* emultempl/gld960.em: Likewise.
	* emultempl/gld960c.em: Likewise.
	* emultempl/linux.em: Likewise.
	* emultempl/lnk960.em: Likewise.
	* emultempl/m68kcoff.em: Likewise.
	* emultempl/mipsecoff.em: Likewise.
	* emultempl/pe.em: Likewise.
	* emultempl/sunos.em: Likewise.
	* emultempl/ticoff.em: Likewise.
	* emultempl/vanilla.em: Likewise.
 2002-05-22 09:04:48 +00:00
H.J. Lu
aa713662e8 2002-05-21 H.J. Lu (hjl@gnu.org) 
* emultempl/elf32.em (gld${EMULATION_NAME}_parse_args): Handle
	"-z muldefs".
	(gld${EMULATION_NAME}_list_options): Add "-z muldefs".

	* ld.texinfo: Updated for --allow-multiple-definition and
	"-z muldefs".

	* ldmain.c (main): Initialize the allow_multiple_definition
	field to false.

	* lexsup.c (OPTION_ALLOW_MULTIPLE_DEFINITION): New.
	(ld_options): Add --allow-multiple-definition.
	(parse_args): Support OPTION_ALLOW_MULTIPLE_DEFINITION.
 2002-05-22 05:08:31 +00:00
David O'Brien
fed2999dfb 2002-03-18 David O'Brien <obrien@FreeBSD.org> 
* emultempl/elf32.em: Use lbasename vs. basename to fix problem where
	the contents of the buffer returned from basename function will are
	getting overwritten while still being used.

Approved by:  Alan Modra <amodra@bigpond.net.au>
              Message-ID: <20020318032031.GD1089@bubble.sa.bigpond.net.au>
 2002-03-19 21:03:43 +00:00
Alan Modra
2c382fb6f5 Support arbitrary length fill patterns. 
* ldexp.h (etree_value_type): Add "str" field.
	(union etree_union): Add "str" to "value" struct.
	(exp_bigintop): Declare.
	(exp_get_fill): Declare.
	* ldexp.c: Include "safe-ctype.h".
	(exp_intop): Set value.str to NULL.
	(exp_bigintop): New function.
	(new_rel): Pass in "str", and set new.str from it.
	(new_rel_from_section): Set new.str to NULL.
	(fold_name): Adjust calls to new_rel.
	(exp_fold_tree): Likewise.
	(exp_get_fill): New function.
	* ldgram.y (struct big_int bigint, fill_type *fill): New.
	(INT): Returns a "bigint".  Adjust all code handling INTs.
	(fill_opt): Returns a "fill".
	(fill_exp): Split out of fill_opt, use for FILL.
	* ldlang.h (struct _fill_type): New.
	(fill_type): Move typedef to ldexp.h.
	(lang_output_section_statement_type): "fill" is now a pointer.
	(lang_fill_statement_type): Likewise.
	(lang_padding_statement_type): Likewise.
	(lang_add_fill): Now takes a "fill_type *" param.
	(lang_leave_output_section_statement): Likewise.
	(lang_do_assignments): Likewise.
	(lang_size_sections): Likewise.
	(lang_leave_overlay_section): Likewise.
	(lang_leave_overlay): Likewise.
	* ldlang.c: Include ldgram.h after ldexp.h.
	(lang_output_section_statement_lookup): Adjust for fill_type change.
	(print_fill_statement): Likewise.
	(print_padding_statement): Likewise.
	(insert_pad): Now takes a "fill_type *" arg.
	(size_input_section): Likewise.
	(lang_size_sections_1): Likewise.
	(lang_size_sections): Likewise.
	(lang_do_assignments): Likewise.
	(lang_add_fill): Likewise.
	(lang_leave_output_section_statement): Likewise.
	(lang_leave_overlay_section): Likewise.
	(lang_leave_overlay): Likewise.
	Adjust all callers of the above function.
	* ldlex.l: Include ldgram.h after ldexp.h.  Allow hex numbers
	starting with "0X" as well as "0x".  Return bigint.str for hex
	numbers starting with "0x" or "0X", zero bigint.str otherwise.
	Always use base 16 for numbers starting with "$".
	* ldmain.c: Include ldgram.h after ldexp.h.
	* ldwrite.c (build_link_order): Use bfd_data_link_order in place
	of bfd_fill_link_order.
	* pe-dll.c: Adjust lang_do_assignments calls.
	* emultempl/elf32.em: Likewise.
	* emultempl/hppaelf.em: Likewise.
	* emultempl/ppc64elf.em: Likewise.
	* emultempl/beos.em: Include ldgram.h after ldexp.h, adjust
	lang_add_assignment call.
	* emultempl/pe.em: Likewise.
 2002-02-15 02:11:05 +00:00
Hans-Peter Nilsson
e3dc884769 * ldlang.c (lang_reset_memory_regions): Rename from 
reset_memory_regions.  Change all callers.  Make public.
	* ldlang.h (lang_reset_memory_regions): Prototype.
	* emultempl/elf32.em (gld${EMULATION_NAME}_finish): Call
	lang_reset_memory_regions before lang_size_sections.
 2002-02-05 06:52:17 +00:00
Alan Modra
3dfe7a8c3a * emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Make use 
of bfd_section_list_remove and bfd_section_list_insert macros.
	* emultempl/pe.em (gld_${EMULATION_NAME}_place_orphan): Likewise.
	* emultempl/mmo.em (mmo_place_orphan): Likewise.
 2002-01-05 13:14:00 +00:00
Alan Modra
73e87d7038 hash bfd sections for fast lookup and create. 
bfd/ChangeLog
	* bfd.c (struct _bfd): Add section_htab, section_tail.
	* libbfd-in.h (_bfd_delete_bfd): Declare.
	(bfd_section_hash_newfunc): Declare.
	* opncls.c (_bfd_new_bfd): Free memory on failure.  Init
	section_htab and section_tail.
	(_bfd_delete_bfd): New function.
	(bfd_openr): Use it.
	(bfd_fdopenr): Likewise.
	(bfd_openstreamr): Likewise.
	(bfd_openw): Likewise.
	(bfd_close): Likewise.
	(bfd_close_all_done): Likewise.
	(bfd_release): Comment.
	* section.c (struct section_hash_entry): New.
	(bfd_section_hash_newfunc): New function.
	(section_hash_lookup): Define.
	(bfd_section_init): New function, split out from
	bfd_make_section_anyway.
	(bfd_get_section_by_name): Lookup via hash table.
	(bfd_get_unique_section_name): Likewise.
	(bfd_make_section_old_way): Rewrite to use hash table.
	(bfd_make_section_anyway): Likewise.
	(bfd_make_section): Likewise.  Return NULL for attempts to make
	BFD_{ABS,COM,UND,IND}_SECTION_NAME.
	(_bfd_strip_section_from_output): Adjust section_tail if needed.
	* configure.in: Bump bfd version.
	* configure: Regenerate.
	* libbfd.h: Regenerate.
	* bfd-in2.h: Regenerate.

ld/ChangeLog
	* emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Adjust
	section_tail when fiddling with section list.
	(gld${EMULATION_NAME}_list_options): Ensure sentences aren't
	broken into separate strings to make translation easier.
	* emultempl/mmo.em (mmo_place_orphan): Adjust section_tail when
	fiddling with section list.
	* emultempl/pe.em (gld_${EMULATION_NAME}_place_orphan): Likewise.
 2001-12-17 00:40:53 +00:00
Jakub Jelinek
6576570080 * 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 11:09:34 +00:00
Alan Modra
ca0b584738 * emultempl/elf32.em (gld${EMULATION_NAME}_finish): Use NULL instead 
of false when calling lang_size_sections.
	(hppaelf_layout_sections_again): Likewise.
 2001-11-20 15:19:39 +00:00
Alan Modra
c56feb2b8c * emultempl/elf32.em (gld${EMULATION_NAME}_finish): Only emit this 
function when LDEMUL_FINISH isn't set to the same name.  Don't
	call ${LDEMUL_FINISH}.
	(ld_${EMULATION_NAME}_emulation): Call $LDEMUL_FINISH if defined.
	* emultempl/armelf.em (arm_elf_finish): Call
	gld${EMULATION_NAME}_finish.
	* emultempl/hppaelf.em (hppaelf_finish): Rename to
	gld${EMULATION_NAME}_finish.  Call bfd_elf32_discard_info and
	hppaelf_layout_sections_again if necessary.
	(need_laying_out): New var.
	(hppaelf_layaout_sections_again): Rename to
	hppaelf_layout_sections_again.  Clear need_laying_out.
	(PARSE_AND_LIST_OPTIONS): Format text.
 2001-11-15 12:44:03 +00:00
Daniel Jacobowitz
73d074b4e2 2001-11-11 Daniel Jacobowitz <drow@mvista.com> 
* bfd-in.h (bfd_elf32_discard_info): Add prototype.
	(bfd_elf64_discard_info): Likewise.
	* bfd-in2.h: Regenerate.
	* elf-bfd.h (struct elf_reloc_cookie): New.
	(struct elf_backend_data): Add elf_backend_discard_info,
	elf_backend_ignore_discarded_relocs, and elf_backend_write_section.
	(_bfd_elf32_reloc_symbol_deleted_p): Add prototype.
	(_bfd_elf64_reloc_symbol_deleted_p): Likewise.
	* elf32-mips.c (_bfd_elf32_mips_discard_info): New.
	(_bfd_elf32_mips_ignore_discarded_relocs): New.
	(_bfd_elf32_mips_write_section): New.
	(elf_backend_discard_info): Define.
	(elf_backend_ignore_discarded_relocs): Define.
	(elf_backend_write_section): Define.
	* elfcode.h (elf_bfd_discard_info): Define.
	(elf_reloc_symbol_deleted_p): Define.
	* elflink.h (elf_link_input_bfd): Check
	elf_section_ignore_discarded_relocs.  Call
	bed->elf_backend_write_section if available.
	(elf_reloc_symbol_deleted_p): New.
	(elf_bfd_discard_info): New.
	(elf_section_ignore_discarded_relocs): New.
	* elfxx-target.h (elf_backend_discard_info): Define.
	(elf_backend_ignore_discarded_relocs): Define.
	(elf_backend_write_section): Define.
	(elfNN_bed): Add elf_backend_discard_info,
	elf_backend_ignore_discarded_relocs, and
	elf_backend_write_section.
	* libbfd-in.h (_bfd_discard_section_stabs): Add prototype.
	* libbfd.h: Regenerate.
	* stabs.c (_bfd_discard_section_stabs): New.

2001-11-11  Daniel Jacobowitz  <drow@mvista.com>

	* emultempl/elf32.em (gld${EMULATION_NAME}_finish): New.
	(struct ld_emulation_xfer_struct): Use it.
 2001-11-15 01:34:12 +00:00