Commit Graph

166 Commits

Author SHA1 Message Date
Jeff Law 2cb69dd361 * elflink.h (elf_bfd_final_link): Improve error handling for missing
dynamic sections.
2002-06-12 18:14:05 +00:00
Alan Modra 1126897b36 * elf-bfd.h (struct bfd_elf_section_data <group_name>): Replace with
"group" union.
	(elf_group_name): Update.
	(elf_group_id): Define.
	(bfd_elf_set_group_contents): Declare.
	* elf.c (elf_fake_sections): Qualify use of elf_group_name.
	(set_group_contents): Rename to bfd_elf_set_group_contents.  Remove
	ATTRIBUTE_UNUSED from failedptrarg.  If elf_group_id is set, use
	that sym for the signature.
	(_bfd_elf_compute_section_file_positions): Don't call
	set_group_contents for "ld -r" case.
	(swap_out_syms): Use bfd_zalloc.
	* elflink.h (elf_link_add_archive_symbols): Likewise.
	(NAME(bfd_elf,size_dynamic_sections)): Likewise.
	(elf_bfd_final_link): Call bfd_elf_set_group_contents.
2002-06-07 14:57:11 +00:00
Alan Modra f8ecb12b16 elf_swap_symbol_in args should be "const PTR", not "const PTR *". 2002-06-06 00:29:22 +00:00
Alan Modra 73ff0d563c * elf-bfd.h (struct elf_size_info): Add swap_symbol_in field.
(bfd_elf32_swap_symbol_in): Update prototype.
	(bfd_elf64_swap_symbol_in): Likewise.
	* elfcode.h (elf_swap_symbol_in): Change input args to const PTR *.
	(elf_slurp_symbol_table): Adjust call to elf_swap_symbol_in.
	* elflink.h (elf_link_is_defined_archive_symbol): Likewise.
	(elf_link_add_object_symbols): Likewise.
	(elf_link_record_local_dynamic_symbol): Likewise.
	(elf_link_input_bfd): Likewise.
	(elf_gc_mark): Likewise.
	(elf_reloc_symbol_deleted_p): Likewise.
	* elf-m10200.c (mn10200_elf_relax_section): Likewise.
	(mn10200_elf_relax_delete_bytes): Likewise.
	(mn10200_elf_symbol_address_p): Likewise.
	(mn10200_elf_get_relocated_section_contents): Likewise.
	* elf-m10300.c (mn10300_elf_relax_section): Likewise.
	(mn10300_elf_relax_section): Likewise.
	(mn10300_elf_relax_delete_bytes): Likewise.
	(mn10300_elf_symbol_address_p): Likewise.
	(mn10300_elf_get_relocated_section_contents): Likewise.
	* elf32-h8300.c (elf32_h8_relax_section): Likewise.
	(elf32_h8_relax_delete_bytes): Likewise.
	(elf32_h8_symbol_address_p): Likewise.
	(elf32_h8_get_relocated_section_contents): Likewise.
	* elf32-hppa.c (get_local_syms): Likewise.
	* elf32-m68k.c (bfd_m68k_elf32_create_embedded_relocs): Likewise.
	* elf32-mips.c (bfd_mips_elf32_create_embedded_relocs): Likewise.
	* elf32-sh.c (sh_elf_relax_section): Likewise.
	(sh_elf_relax_delete_bytes): Likewise.
	(sh_elf_get_relocated_section_contents): Likewise.
	* elf32-xstormy16.c (xstormy16_elf_relax_section): Likewise.
	* elf64-alpha.c (elf64_alpha_relax_section): Likewise.
	* elf64-hppa.c (elf64_hppa_check_relocs): Likewise.
	* elf64-mmix.c (mmix_elf_relax_section): Likewise.
	* elf64-ppc.c (get_local_syms): Likewise.
	* elf64-sh64.c (sh_elf64_get_relocated_section_contents): Likewise.
	* elfxx-ia64.c (elfNN_ia64_relax_section): Likewise.
	* elfcode.h (NAME(_bfd_elf,size_info)): Update initialiser.
	* elf64-alpha.c (alpha_elf_size_info): Likewise.
	* elf64-hppa.c (hppa64_elf_size_info): Likewise.
	* elf64-mips.c (mips_elf64_size_info): Likewise.
	* elf64-s390.c (s390_elf64_size_info): Likewise.
	* elf64-sparc.c (sparc64_elf_size_info): Likewise.
2002-06-05 13:32:02 +00:00
Jakub Jelinek 13ae64f3c7 * elf.c (_bfd_elf_make_section_from_shdr): Set SEC_THREAD_LOCAL
for symbols from SHF_TLS section.
	(_bfd_elf_print_private_bfd_data): Add PT_TLS.
	(elf_fake_sections): Set SHF_TLS for SEC_THREAD_LOCAL sections.
	(map_sections_to_segments): Build PT_TLS segment if necessary.
	(assign_file_positions_for_segments): Likewise.
	(get_program_header_size): Account for PT_TLS segment.
	(swap_out_syms): Set type of BSF_THREAD_LOCAL symbols and symbols from
	SEC_THREAD_LOCAL sections to STT_TLS.
	* reloc.c: Add 386 and IA-64 TLS relocs.
	* section.c (SEC_THREAD_LOCAL): Define.
	(SEC_CONSTRUCTOR_TEXT, SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS):
	Remove.
	* elflink.h (elf_link_add_object_symbols): Support .tcommon.
	(size_dynamic_sections): If DF_STATIC_TLS, set DF_FLAGS
	unconditionally.
	(struct elf_final_link_info): Add first_tls_sec.
	(elf_bfd_final_link): Set first_tls_sec.
	Compute elf_hash_table (info)->tls_segment.
	(elf_link_output_extsym): Handle STT_TLS symbols.
	(elf_link_input_bfd): Likewise.
	* syms.c (BSF_THREAD_LOCAL): Define.
	* bfd-in2.h: Rebuilt.
	* libbfd.h: Rebuilt.
	* elf32-i386.c (elf_i386_tls_transition, dtpoff_base, tpoff,
	elf_i386_mkobject, elf_i386_object_p): New functions.
	(elf_howto_table): Add TLS relocs.
	(elf_i386_reloc_type_lookup): Support TLS relocs.
	(elf_i386_info_to_howto_rel): Likewise.
	(struct elf_i386_link_hash_entry): Add tls_type.
	(struct elf_i386_obj_tdata): New.
	(elf_i386_hash_entry, elf_i386_tdata, elf_i386_local_got_tls_type):
	New macros.
	(struct elf_i386_link_hash_table): Add tls_ldm_got.
	(link_hash_newfunc): Clear tls_type.
	(elf_i386_check_relocs): Support TLS relocs.
	(elf_i386_gc_sweep_hook): Likewise.
	(allocate_dynrelocs): Likewise.
	(elf_i386_size_dynamic_sections): Likewise.
	(elf_i386_relocate_section): Likewise.
	(elf_i386_finish_dynamic_symbol): Likewise.
	(bfd_elf32_mkobject, elf_backend_object_p): Define.
	* elfxx-ia64.c (struct elfNN_ia64_dyn_sym_info): Add tprel_offset,
	dtpmod_offset, dtprel_offset, tprel_done, dtpmod_done, dtprel_done,
	want_tprel, want_dtpmod, want_dtprel.
	(elfNN_ia64_tprel_base, elfNN_ia64_dtprel_base): New functions.
	(ia64_howto_table): Add TLS relocs, rename R_IA64_LTOFF_TP22 to
	R_IA64_LTOFF_TPREL22.
	(elf_code_to_howto_index): Add TLS relocs.
	(elfNN_ia64_check_relocs): Support TLS relocs.
	(allocate_global_data_got): Account for TLS .got data.
	(allocate_dynrel_entries): Account for TLS dynamic relocations.
	(elfNN_ia64_install_value): Supprt TLS relocs.
	(set_got_entry): Support TLS relocs.
	(elfNN_ia64_relocate_section): Likewise.

	* config/obj-elf.c (elf_common): Renamed from obj_elf_common.
	(obj_elf_common): Call elf_common.
	(obj_elf_tls_common): New function.
	(elf_pseudo_tab): Support .tls_common.
	(special_sections): Add .tdata and .tbss.
	(obj_elf_change_section): Set SEC_THREAD_LOCAL for SHF_TLS
	sections.
	(obj_elf_parse_section_letters): Support T in section flags (SHF_TLS).
	(obj_elf_parse_section_letters): Include T in error message.
	* config/tc-ppc.c (ppc_section_letter): Likewise.
	* config/tc-alpha.c (alpha_elf_section_letter): Likewise.
	(tc_gen_reloc): Handle SEC_THREAD_LOCAL the same way as
	SEC_MERGE.
	* config/tc-sparc.c (md_apply_fix3): Likewise.
	* config/tc-i386.c (tc_i386_fix_adjustable): Add TLS relocs.
	Define them if not BFD_ASSEMBLER.
	(lex_got): Support @TLSGD, @TLSLDM, @GOTTPOFF, @TPOFF, @DTPOFF
	and @NTPOFF.
	(md_apply_fix3): Add TLS relocs.
	* config/tc-ia64.c (enum reloc_func): Add FUNC_DTP_MODULE,
	FUNC_DTP_RELATIVE, FUNC_TP_RELATIVE, FUNC_LT_DTP_MODULE,
	FUNC_LT_DTP_RELATIVE, FUNC_LT_TP_RELATIVE.
	(pseudo_func): Support @dtpmod(), @dtprel() and @tprel().
	(ia64_elf_section_letter): Include T in error message.
	(md_begin): Support TLS operators.
	(md_operand): Likewise.
	(ia64_gen_real_reloc_type): Support TLS relocs.
	* testsuite/gas/i386/tlspic.s: New file.
	* testsuite/gas/i386/tlsd.s: New file.
	* testsuite/gas/i386/tlsnopic.s: New file.
	* testsuite/gas/i386/tlsd.d: New file.
	* testsuite/gas/i386/tlsnopic.d: New file.
	* testsuite/gas/i386/tlspic.d: New file.
	* testsuite/gas/i386/i386.exp: Add tlsd, tlsnopic and tlspic tests.
	* testsuite/gas/ia64/tls.s: New file.
	* testsuite/gas/ia64/tls.d: New file.
	* testsuite/gas/ia64/ia64.exp: Add tls test.
	* write.c (adjust_reloc_syms): Don't change symbols in
	SEC_THREAD_LOCAL sections to STT_SECTION + addend.

	* elf/common.h (PT_TLS, SHF_TLS, STT_TLS, DF_STATIC_TLS): Define.
	* elf/ia64.h (R_IA64_LTOFF_TPREL22): Renamed from R_IA64_LTOFF_TP22.
	* elf/i386.h: Add TLS relocs.

	* scripttempl/elf.sc: Add .rel{,a}.t{bss,data}, .tdata and .tbss.
	* ldlang.c (lang_add_section): Set SEC_THREAD_LOCAL for
	output section if necessary.  Handle .tbss.
	(lang_size_sections): Clear _raw_size for .tbss section
	(it allocates space in PT_TLS segment only).
	* ldwrite.c (build_link_order): Build link order for .tbss too.

	* readelf.c (get_segment_type): Add PT_TLS.
	(get_elf_section_flags): Add SHF_TLS.
	(get_dynamic_flags): Optimize.  Add DF_STATIC_TLS.
	(process_dynamic_segment): Use puts instead of printf.
	(get_symbol_type): Support STT_TLS.
	* objdump.c (dump_section_header): Remove SEC_CONSTRUCTOR_TEXT,
	SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS.
	Add SEC_THREAD_LOCAL.
2002-05-23 13:12:53 +00:00
Thiemo Seufer 41241523bf * elf-bfd.h (elf_backend_emit_relocs): Change prototype to return
an error value.
	* elflink.h (elf_link_output_relocs): Likewise. Improve error message.
	return with false on error.
	(elf_link_input_bfd): Check reloc_emitter return value.
2002-05-21 16:03:46 +00:00
Alan Modra 2d653fc760 Fix ld --just-symbols
* aix5ppc-core.c: Warning fixes.
	* aout-adobe.c (aout_32_bfd_link_just_syms): Define.
	* aout-target.h (MY_bfd_link_just_syms): Define.
	* aout-tic30.c (MY_bfd_link_just_syms): Define.
	* bfd.c (bfd_link_just_syms): Define.
	* binary.c (binary_bfd_link_just_syms): Define.
	* bout.c (b_out_bfd_link_just_syms): Define.
	* coff-rs6000.c (rs6000coff_vec, pmac_xcoff_vec): Update initializer.
	* coff64-rs6000.c (rs6000coff64_vec, aix5coff64_vec): Likewise.
	* coffcode.h (coff_bfd_link_just_syms): Define.
	* elf-bfd.h (enum elf_link_info_type): Add ELF_INFO_TYPE_JUST_SYMS.
	(elf_discarded_section): Check for ELF_INFO_TYPE_JUST_SYMS.
	(_bfd_elf_link_just_syms): Declare.
	* elf.c (_bfd_elf_link_just_syms): New function.
	* elf-eh-frame.c (_bfd_elf_maybe_strip_eh_frame_hdr): Check that
	sections haven't already been discarded by the linker.
	* elflink.h (elf_link_add_object_symbols): Likewise for stab
	sections and SEC_MERGE sections.
	(elf_bfd_discard_info): Similarly here.
	* elfxx-target.h (bfd_elfNN_bfd_link_just_syms): Define.
	* i386msdos.c (msdos_bfd_link_just_syms): Define.
	* i386os9k.c (os9k_bfd_link_just_syms): Define.
	* ieee.c (ieee_bfd_link_just_syms): Define.
	* ihex.c (ihex_bfd_link_just_syms): Define.
	* libbfd-in.h (_bfd_nolink_bfd_link_just_syms): Define.
	(_bfd_generic_link_just_syms): Declare.
	* libecoff.h (_bfd_ecoff_bfd_link_just_syms): Define.
	* linker.c (_bfd_generic_link_just_syms): New function.
	* mmo.c (mmo_bfd_link_just_syms): Define.
	* nlm-target.h (nlm_bfd_link_just_syms): Define.
	* oasys.c (oasys_bfd_link_just_syms): Define.
	* ppcboot.c (ppcboot_bfd_link_just_syms): Define.
	* som.c (som_bfd_link_just_syms): Define.
	* srec.c (srec_bfd_link_just_syms): Define.
	* targets.c (struct bfd_target): Add _bfd_link_just_syms.
	(BFD_JUMP_TABLE_LINK): And here.
	* tekhex.c (tekhex_bfd_link_just_syms): Define.
	* versados.c (versados_bfd_link_just_syms): Define.
	* vms.c (vms_bfd_link_just_syms): Define.
	* libbfd.h: Regenerate.
	* bfd-in2.h: Regenerate.
2002-05-15 00:18:58 +00:00
Alan Modra b491616acb * elf-bfd.h (struct elf_backend_data): Add rela_normal.
* elfxx-target.h (elf_backend_rela_normal): Define.
	(elfNN_bed): Init rela_normal.
	* elflink.h (elf_link_input_bfd <emit_relocs>): Handle adjustment
	for section symbols here if rela_normal.  Simplify abs section test.
	* elf-m10200.c (mn10200_elf_relocate_section): If relocatable,
	return immediately.  Remove code handling relocatable linking.
	* elf-m10300.c (mn10300_elf_relocate_section): Likewise.
	* elf32-fr30.c (fr30_elf_relocate_section): Likewise.
	* elf32-i370.c (i370_elf_relocate_section): Likewise.
	* elf32-i860.c (elf32_i860_relocate_section): Likewise.
	* elf32-m68k.c (elf_m68k_relocate_section): Likewise.
	* elf32-mcore.c (mcore_elf_relocate_section): Likewise.
	* elf32-openrisc.c (openrisc_elf_relocate_section): Likewise.
	* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
	* elf32-s390.c (elf_s390_relocate_section): Likewise.
	* elf32-xstormy16.c (xstormy16_elf_relocate_section): Likewise.
	* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
	* elf64-s390.c (elf_s390_relocate_section): Likewise.
	* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
	* elfxx-ia64.c (elfNN_ia64_relocate_section): Likewise.
	* elf32-arm.h (elf32_arm_relocate_section): Likewise #ifndef USE_REL.
	* elf32-m32r.c (m32r_elf_relocate_section): Likewise.
	* elf-m10200.c (elf_backend_rela_normal): Define.
	* elf-m10300.c (elf_backend_rela_normal): Define.
	* elf32-fr30.c (elf_backend_rela_normal): Define.
	* elf32-i370.c (elf_backend_rela_normal): Define.
	* elf32-i860.c (elf_backend_rela_normal): Define.
	* elf32-m68k.c (elf_backend_rela_normal): Define.
	* elf32-mcore.c (elf_backend_rela_normal): Define.
	* elf32-openrisc.c (elf_backend_rela_normal): Define.
	* elf32-ppc.c (elf_backend_rela_normal): Define.
	* elf32-s390.c (elf_backend_rela_normal): Define.
	* elf32-xstormy16.c (elf_backend_rela_normal): Define.
	* elf64-ppc.c (elf_backend_rela_normal): Define.
	* elf64-s390.c (elf_backend_rela_normal): Define.
	* elf64-x86-64.c (elf_backend_rela_normal): Define.
	* elfxx-ia64.c (elf_backend_rela_normal): Define.
	* elf32-arm.h (elf_backend_rela_normal): Define #ifndef USE_REL.
	* elf32-m32r.c (elf_backend_rela_normal): Likewise.
2002-05-07 00:16:53 +00:00
Alan Modra fd984e46b6 * elflink.h (elf_link_input_bfd <emit_relocs>): Adjust r_offset
when not relocatable.  Fix reloc_emitter call for K&R.
2002-05-06 08:54:44 +00:00
Alan Modra a50c18456e * elflink.h (elf_bfd_final_link): Ensure input bfd class is the
same as the output before calling elf_link_input_bfd.
2002-04-26 12:59:23 +00:00
Alan Modra e92d460e59 * linker.c (link_action): Ignore duplicate warning syms.
(_bfd_generic_link_write_global_symbol): Follow warning symbol link.
	* elflink.h (elf_adjust_dynstr_offsets): Likewise.
	(elf_adjust_dynamic_symbol): Likewise.
	(elf_export_symbol): Likewise.
	(elf_link_find_version_dependencies): Likewise.
	(elf_link_assign_sym_version): Likewise.
	(elf_link_sec_merge_syms): Likewise.
	(elf_link_output_extsym): Likewise.
	(elf_gc_sweep_symbol): Likewise.
	(elf_gc_propagate_vtable_entries_used): Likewise.
	(elf_gc_smash_unused_vtentry_relocs): Likewise.
	(elf_gc_allocate_got_offsets): Likewise.
	(elf_collect_hash_codes): Likewise.
	* elflink.c (elf_link_renumber_hash_table_dynsyms): Likewise.
	* elf-hppa.h (elf_hppa_unmark_useless_dynamic_symbols): Likewise.
	(elf_hppa_remark_useless_dynamic_symbols): Likewise.
	* elf-m10300.c (elf32_mn10300_finish_hash_table_entry): Likewise.
	* elf32-arm.h (elf32_arm_discard_copies): Likewise.
	* elf32-cris.c (elf_cris_adjust_gotplt_to_got): Likewise.
	(elf_cris_discard_excess_dso_dynamics): Likewise.
	* elf32-hppa.c (clobber_millicode_symbols): Likewise.
	(mark_PIC_calls): Likewise.
	(allocate_plt_static): Likewise.
	(allocate_dynrelocs): Likewise.
	(readonly_dynrelocs): Likewise.
	* elf32-i386.c (allocate_dynrelocs): Likewise.
	(readonly_dynrelocs): Likewise.
	* elf32-i370.c (i370_elf_adjust_dynindx): Likewise.
	* elf32-m68k.c (elf_m68k_discard_copies): Likewise.
	* elf32-mips.c (mips_elf_output_extsym): Likewise.
	(mips_elf_sort_hash_table_f): Likewise.
	(mips_elf_check_mips16_stubs): Likewise.
	* elf32-s390.c (allocate_dynrelocs): Likewise.
	(readonly_dynrelocs): Likewise.
	* elf32-sh.c (sh_elf_discard_copies): Likewise.
	* elf32-xstormy16.c (xstormy16_relax_plt_check): Likewise.
	(xstormy16_relax_plt_realloc): Likewise.
	* elf64-alpha.c (elf64_alpha_calc_got_offsets_for_symbol): Likewise.
	(elf64_alpha_output_extsym): Likewise.
	* elf64-hppa.c (elf64_hppa_mark_exported_functions): Likewise.
	* elf64-mips.c (mips_elf64_sort_hash_table_f): Likewise.
	(mips_elf64_check_mips16_stubs): Likewise.
	(mips_elf64_output_extsym): Likewise.
	* elf64-ppc.c (func_desc_adjust): Likewise.
	(allocate_dynrelocs): Likewise.
	(readonly_dynrelocs): Likewise.
	* elf64-s390.c (allocate_dynrelocs): Likewise.
	(readonly_dynrelocs): Likewise.
	* elf64-sh64.c (sh64_elf64_discard_copies): Likewise.
	* elf64-x86-64.c (allocate_dynrelocs): Likewise.
	(readonly_dynrelocs): Likewise.
	* elfxx-ia64.c (elfNN_ia64_global_dyn_sym_thunk): Likewise.
	* aoutx.h (aout_link_write_other_symbol): Likewise.
	* cofflink.c (_bfd_coff_write_task_globals): Likewise.
	(_bfd_coff_write_global_sym): Likewise.
	* i386linux.c (linux_tally_symbols): Likewise.
	* m68klinux.c (linux_tally_symbols): Likewise.
	* sparclinux.c (linux_tally_symbols): Likewise.
	* pdp11.c (aout_link_write_other_symbol): Likewise.
	* sunos.c (sunos_scan_dynamic_symbol): Likewise.
	* xcofflink.c (xcoff_build_ldsyms): Likewise.
	(xcoff_write_global_symbol): Likewise.

	* cofflink.c (_bfd_coff_final_link): Formatting.
	* cpu-mips.c (mips_compatible): Make static, prototype.
	* elf32-i386.c (elf_i386_check_relocs): Formatting.
	* elf32-sh.c (sh_elf_size_dynamic_sections): Likewise.
	* elf64-alpha.c (elf64_alpha_output_extsym): Likewise.
	* elf64-mips.c (mips_elf64_sort_hash_table): Likewise.
	(mips_elf64_final_link): Likewise.
	* elflink.h (elf_link_find_version_dependencies): Remove duplicate
	prototype.
2002-03-28 03:27:46 +00:00
H.J. Lu ad43ed4ce4 2002-03-26 H.J. Lu (hjl@gnu.org)
* elflink.h (elf_link_input_bfd): Revert the last change since
	the gcc exception handling isn't fixed yet.
2002-03-26 18:13:54 +00:00
H.J. Lu 3851fca49e 2002-03-26 H.J. Lu (hjl@gnu.org)
* elflink.h (elf_link_input_bfd): Complain about relocations
	against local symbols in discarded sections.
2002-03-26 16:01:04 +00:00
Alan Modra b91afed73b * elflink.h (elf_gc_mark): Don't recurse into non-ELF sections. 2002-03-26 11:54:12 +00:00
Hans-Peter Nilsson 1da54d81fd * elflink.h (NAME(bfd_elf,record_link_assignment)): Don't set
STT_NOTYPE symbols to STT_OBJECT.
2002-03-19 20:21:54 +00:00
H.J. Lu 36b4f6e725 2002-03-14 H.J. Lu <hjl@gnu.org>
* elflink.h (NAME(bfd_elf,size_dynamic_sections)): Set the BFD
	error to bfd_error_nonrepresentable_section for reinit_array
	section in DSO.
2002-03-14 19:06:16 +00:00
Alan Modra c119f9b800 * cpu-mips.c (mips_compatible): New. Don't check bits_per_word.
(N): Use the above.
	* elflink.h (elf_bfd_final_link): Revert last change.  Instead,
	ensure reloc size matches before calling elf_link_input_bfd.
	Add an assert to check reloc size when counting output relocs.
2002-03-14 10:38:31 +00:00
Alan Modra fa7ea4d864 Revert last change. 2002-03-13 07:26:24 +00:00
Alan Modra 60166579ed * elflink.h (NAME(bfd_elf,size_dynamic_sections)): Use ELF section
types instead of section names to determine whether init/fini array
	dynamic tags are needed.
2002-03-13 04:04:49 +00:00
Alan Modra 40b829d425 * elflink.h: Formatting fixes.
(elf_link_output_extsym): Merge undefined and undef weak cases.
2002-03-13 03:42:39 +00:00
Alan Modra 4ddafab0a6 * elflink.h (elf_bfd_final_link): Only call elf_link_input_bfd
when word size of input matches output word size.
2002-03-13 02:56:08 +00:00
Alan Modra c44233aab3 * elflink.h (elf_bfd_final_link): Call elf_link_output_extsym
to output forced local syms for non-shared link.
	(elf_link_output_extsym): Tweak condition for calling backend
	adjust_dynamic_symbol so that previous behaviour is kept.
2002-03-05 05:18:41 +00:00
H.J. Lu 25e2787005 2002-03-04 H.J. Lu <hjl@gnu.org>
* elf.c (bfd_section_from_shdr): Handle special sections,
	.init_array, .fini_array and .preinit_array.
	(elf_fake_sections): Likewise.

	* elflink.h (NAME(bfd_elf,size_dynamic_sections)): Create the
	DT entry only if the section is in output for .init_array,
	.fini_array and .preinit_array. Complain about .preinit_array
	section in DSO.
	(elf_bfd_final_link): Warn zero size for .init_array,
	.fini_array and .preinit_array sections.

	* elfxx-ia64.c (elfNN_ia64_section_from_shdr): Remove
	SHT_INIT_ARRAY, SHT_FINI_ARRAY and SHT_PREINIT_ARRAY.
	(elfNN_ia64_fake_sections): Remove .init_array, .fini_array and
	.preinit_array.
2002-03-04 20:41:55 +00:00
Richard Henderson 30831527a4 * elflink.h (size_dynamic_sections): If section named
".preinit_array" exists, create DT_PREINIT_ARRAY and
        DT_PREINIT_ARRAYSZ entries in dynamic table.  Analogously for
        ".init_array" and ".fini_array".
        (elf_bfd_final_link): Handle DT_PREINIT_ARRAYSZ, DT_INIT_ARRAYSZ,
        DT_FINI_ARRAYSZ, DT_PREINIT_ARRAY, DT_INIT_ARRAY, and
        DT_FINI_ARRAY.
2002-03-02 01:24:50 +00:00
Alan Modra c8e5ddc83f * elflink.h (elf_bfd_final_link): Don't crash on SHN_UNDEF local
dynsyms.
2002-02-25 23:31:22 +00:00
Alan Modra e5094212df * elf-bfd.h (elf_backend_data <elf_backend_hide_symbol>): Add
boolean param.
	(_bfd_elf_link_hash_hide_symbol): Likewise.
	* elflink.h (elf_link_add_object_symbols): Adjust call to
	elf_backend_hide_symbol.
	(elf_fix_symbol_flags): Likewise.
	(elf_link_assign_sym_version): Likewise. Use bfd_malloc rather
	than bfd_alloc.
	* elf.c (_bfd_elf_link_hash_hide_symbol): Add "force_local" param.
	Set ELF_LINK_FORCED_LOCAL and call _bfd_elf_strtab_delref.
	* elf32-hppa.c (elf32_hppa_hide_symbol): Likewise.
	(clobber_millicode_symbols): Adjust to suit new hide_symbol.
	* elf32-cris.c (elf_cris_hide_symbol): Add "force_local" param
	and adjust to suit.
	* elf32-mips.c (_bfd_mips_elf_hide_symbol): Likewise, and call
	_bfd_elf_link_hash_hide_symbol rather than duplicating code.
	* elfxx-ia64.c (elfNN_ia64_hash_hide_symbol): Likewise.
2002-01-21 10:29:09 +00:00
Alan Modra c601ffdbb0 * elf32-arm.h (elf32_arm_size_dynamic_sections): When removing
sections, use bfd_section_list_remove.
	* elf32-i370.c (i370_elf_size_dynamic_sections): Likewise.
	* elflink.h (elf_link_add_object_symbols): When removing all
	sections, use bfd_section_list_clear.
2002-01-16 05:37:10 +00:00
Jakub Jelinek d3c456e950 * elflink.h (elf_link_input_bfd): Back out 2002-01-07 change.
* elf.c (merge_sections_remove_hook): New function.
	(_bfd_elf_merge_sections): Pass it as 3rd argument to
	_bfd_merge_sections.
	* libbfd-in.h (_bfd_merge_sections): Add 3rd argument.
	* libbfd.h: Rebuilt.
	* merge.c (_bfd_merge_sections): Add remove_hook argument.
	Call remove_hook if a SEC_EXCLUDE section is encountered.
2002-01-15 12:52:15 +00:00
Geoffrey Keating 47b22aef48 * elflink.h (elf_link_input_bfd): Don't ask for the merged offset
of a symbol in a section that will be deleted.
2002-01-07 17:55:37 +00:00
Jakub Jelinek 57a7219709 * elflink.h (elf_bfd_final_link): Check if dynobj is not NULL
before looking for .eh_frame_hdr section.
	* elf-eh-frame.c (_bfd_elf_write_section_eh_frame_hdr): If
	.eh_frame_hdr section is being stripped from output, don't do
	anything.
2001-12-31 11:49:10 +00:00
Jakub Jelinek 6b9b879a02 * ldgram.y (vers_node): Support anonymous version tags.
* ldlang.c (lang_register_vers_node): Ensure anonymous version
	tag is not defined together with non-anonymous versions.
	* ld.texinfo: Document it.

	* elflink.h (size_dynamic_sections): Skip anonymous version tag.
	(elf_link_assign_sym_version): Don't count anonymous version tag.
2001-12-18 12:15:35 +00:00
Jakub Jelinek ed4de5e2e0 * elf-bfd.h (elf_discarded_section): Define.
* elflink.h (elf_link_input_bfd): Use it.
	(elf_reloc_symbol_deleted_p): Likewise.

	* elf64-alpha.c (elf64_alpha_relocate_section): Don't warn about
	overflows for pc relative relocs against discarded sections.
2001-12-17 22:44:12 +00:00
Alan Modra 9ad5cbcfb2 Support for more than 64k ELF sections.
include/elf/ChangeLog
	* external.h (Elf_External_Sym_Shndx): Declare.
	* internal.h (struct elf_internal_sym <st_shndx>): Make it an
	unsigned int.
	* common.h (SHN_BAD): Define.

bfd/ChangeLog
	* configure.in: Bump bfd version.
	* configure: Regenerate.
	* elf-bfd.h (elf_size_info <swap_symbol_out>): Add shndx param.
	(bfd_elf32_swap_symbol_in): Likewise.
	(bfd_elf32_swap_symbol_out): Likewise.
	(bfd_elf64_swap_symbol_in): Likewise.
	(bfd_elf64_swap_symbol_out): Likewise.
	(elf_reloc_cookie): Add locsym_shndx field.  Make locsyms a PTR.
	(elf_obj_tdata): Add num_elf_sections, symtab_shndx_hdr and
	symtab_shndx_section.
	(elf_numsections): Define.
	(elf_symtab_shndx): Define.
	* elf.c (setup_group): Use elf_numsections rather than header e_shnum.
	(bfd_elf_find_section): Likewise.
	(bfd_section_from_elf_index): Likewise.
	(bfd_section_from_shdr): Likewise.  Handle SHT_SYMTAB_SHNDX.
	(bfd_section_from_r_symndx): Read symbol shndx extension, and
	translate st_shndx for > SHN_HIRESERVE.
	(assign_section_numbers): Skip reserved sections.  Assign
	symtab_shndx_section and elf_numsections.  Exclude reserved
	sections from e_shnum.  Set up symtab_shndx_hdr.
	(_bfd_elf_compute_section_file_positions): Handle symtab_shndx_hdr.
	(map_sections_to_segments): Don't map eh_frame_hdr unless required.
	(assign_file_positions_except_relocs): Use elf_numsections rather
	than header e_shnum.  Skip reserved sections and symtab_shndx_section.
	(prep_headers): Set name for symtab_shndx_hdr.
	(_bfd_elf_assign_file_positions_for_relocs): Use elf_numsections.
	(_bfd_elf_write_object_contents): Likewise.  Skip reserved sections.
	(_bfd_elf_section_from_bfd_section): Check bfd_{abs,com,und}_section
	first.  Use elf_section_data if available.  Use elf_numsections.
	Start scan at index 1.
	(copy_private_bfd_data ): Comment fixes.
	(MAP_ONESYMTAB): Define above SHN_HIOS.
	(MAP_DYNSYMTAB): Likewise.
	(MAP_STRTAB): Likewise.
	(MAP_SHSTRTAB): Likewise.
	(MAP_SYM_SHNDX): New define.
	(_bfd_elf_copy_private_symbol_data): Handle symtab_shndx_section.
	(swap_out_syms): Swap out SHT_SYMTAB_SHNDX section too.
	* elfcode.h (elf_swap_symbol_in): Add shndx param, and handle shndx
	extension.
	(elf_swap_symbol_out): Likewise.
	(elf_object_p): Set elf_numsections, and use instead of e_shnum.
	Initialialise reserved elf_elfsections to point at shdr[0].  Remove
	redundant bfd_release calls.
	(elf_slurp_symbol_table): Read symbol shndx extension, and use with
	elf_swap_symbol_in.  Translate st_shndx for > SHN_HIRESERVE too.
	* elflink.h (elf_link_is_defined_archive_symbol): Read symbol shndx
	extension, and use with elf_swap_symbol_in.
	(elf_link_record_local_dynamic_symbol): Likewise.
	(elf_link_add_object_symbols): Likewise.  Also translate st_shndx
	for elf sections > SHN_HIRESERVE.
	(NAME(bfd_elf,size_dynamic_sections)): Adjust elf_swap_symbol_out
	call.
	(struct elf_final_link_info): Add locsym_shndx and symshndxbuf.
	(elf_bfd_final_link): Allocate the above, and tidy code allocating
	other buffers.  Use elf_numsections instead of e_shnum.  Adjust
	elf_swap_symbol_out calls.
	(elf_link_output_sym): Swap out symbol shndx extension too.
	(elf_link_flush_output_syms): And flush them to disk.
	(elf_link_output_extsym): Use SHN_BAD.  Adjust elf_swap_symbol_out
	calls.
	(elf_gc_mark): Read symbol shndx extension, and use with
	elf_swap_symbol_in.
	(elf_link_input_bfd): Likewise,  Translate st_shndx for elf sections
	> SHN_HIRESERVE too.  Use SHN_BAD.
	(elf_reloc_symbol_deleted_p): Use symbol shndx extensions with
	elf_swap_symbol_in.  Translate st_shndx > SHN_HIRESERVE too.
	(elf_bfd_discard_info): Read symbol shndx extension.  Don't attempt
	to continue after a bfd error.
	* elf-m10200.c (mn10200_elf_relax_section): Only read local syms.
	Stash them immediately to symtab_hdr->contents rather than later
	in multiple places.  Clean up afterwards.  Read symbol shndx
	extension, and use with swap_symbol_in.  Translate SHN_UNDEF,
	SHN_ABS, SHN_COMMON and elf sections > SHN_HIRESERVE to bfd
	sections too.  Remove dead code.
	(mn10200_elf_relax_delete_bytes): Use symbol shndx extension
	when swapping in symbols.  Tidy code adjusting global syms.
	Don't swap in global syms.
	(mn10200_elf_symbol_address_p): Likewise.  Remove extsyms param.
	(mn10200_elf_get_relocated_section_contents): Read symbol shndx
	extension, and use with swap_symbol_in.  Rename "size" -> "amt"
	to maximize code in common with other files.  Translate st_shndx
	for > SHN_HIRESERVE too.  Remove dead code.
	* elf-m10300.c (mn10300_elf_relax_section): Only read local syms.
	Stash them immediately to symtab_hdr->contents rather than later
	in multiple places.  Clean up afterwards.  Read symbol shndx
	extension, and use with swap_symbol_in.  Remove dead code.
	(mn10300_elf_relax_delete_bytes): As for elf-m10200.c.
	(mn10300_elf_symbol_address_p): Likewise.
	(mn10300_elf_get_relocated_section_contents): Likewise.
	* elf32-h8300.c (elf32_h8_relax_section): As for elf-m10300.c.
	(elf32_h8_relax_delete_bytes): Likewise.
	(elf32_h8_symbol_address_p): Likewise.
	(elf32_h8_get_relocated_section_contents): Likewise.
	* elf32-hppa.c (elf32_hppa_size_stubs): Read symbol shndx
	extension, and use with swap_symbol_in.
	* elf64-hppa.c (elf64_hppa_check_relocs): Likewise.
	* elf32-i370.c (i370_elf_finish_dynamic_sections): Adjust call to
	bfd_elf32_swap_symbol_out.
	* elf32-m32r.c (m32r_elf_get_relocated_section_contents): Translate
	elf sections > SHN_HIRESERVE too.
	* elf32-m68k.c (bfd_m68k_elf32_create_embedded_relocs): Only read
	local syms.  Read symbol shndx extension, and use with swap_symbol_in.
	* elf32-mips.c (_bfd_mips_elf_final_write_processing): Use
	elf_numsections rather than header e_shnum.
	* elf32-sh.c (sh_elf_relax_section): As for elf-m10300.c.
	(sh_elf_relax_delete_bytes): Likewise.
	(sh_elf_get_relocated_section_contents): Likewise.  Only read local
	symbols.
	* elf32-v850.c (v850_elf_symbol_processing): Use an unsigned int to
	hold section index.  Use elf_numsections rather than e_shnum.
	Rename "index" -> "indx" to avoid shadowing warning.
	(v850_elf_add_symbol_hook): Likewise.
	* elf64-alpha.c (elf64_alpha_relax_section): Only read local syms.
	Read symbol shndx extension, and use with swap_symbol_in.
	* elf32-xstormy16.c (xstormy16_elf_relax_section): Likewise.
	Translate SHN_COMMON and elf sections > SHN_HIRESERVE too.
	* elfxx-ia64.c (elfNN_ia64_relax_section): Likewise.
	(elfNN_ia64_aix_add_symbol_hook): Use elf_numsections.

	* elf-m10300.c (mn10300_elf_gc_mark_hook): Remove unnecessary checks
	before calling bfd_section_from_elf_index on local syms.
	* elf32-arm.h (elf32_arm_gc_mark_hook): Likewise.
	* elf32-avr.c (elf32_avr_gc_mark_hook): Likewise.
	* elf32-cris.c (cris_elf_gc_mark_hook): Likewise.
	* elf32-d10v.c (elf32_d10v_gc_mark_hook): Likewise.
	* elf32-fr30.c (fr30_elf_gc_mark_hook): Likewise.
	* elf32-hppa.c (elf32_hppa_gc_mark_hook): Likewise.
	* elf32-i386.c (elf_i386_gc_mark_hook): Likewise.
	* elf32-m32r.c (m32r_elf_gc_mark_hook): Likewise.
	* elf32-m68k.c (elf_m68k_gc_mark_hook): Likewise.
	* elf32-mcore.c (mcore_elf_gc_mark_hook): Likewise.
	* elf32-mips.c (_bfd_mips_elf_gc_mark_hook): Likewise.
	* elf32-openrisc.c (openrisc_elf_gc_mark_hook): Likewise.
	* elf32-ppc.c (ppc_elf_gc_mark_hook): Likewise.
	* elf32-s390.c (elf_s390_gc_mark_hook): Likewise.
	* elf32-sh.c (sh_elf_gc_mark_hook): Likewise.
	* elf32-sparc.c (elf32_sparc_gc_mark_hook): Likewise.
	* elf32-v850.c (v850_elf_gc_mark_hook): Likewise.
	* elf32-xstormy16.c (xstormy16_elf_gc_mark_hook): Likewise.
	* elf64-mips.c (mips_elf64_gc_mark_hook): Likewise.
	* elf64-mmix.c (mmix_elf_gc_mark_hook): Likewise.
	* elf64-ppc.c (ppc64_elf_gc_mark_hook): Likewise.
	* elf64-s390.c (elf_s390_gc_mark_hook): Likewise.
	* elf64-x86-64.c (elf64_x86_64_gc_mark_hook): Likewise.

binutils/ChangeLog
	* readelf.c (symtab_shndx_hdr): New global.
	(SECTION_HEADER_INDEX): Define.
	(SECTION_HEADER_NUM): Define.
	(SECTION_HEADER): Define.
	(GET_ELF_SYMBOLS): Pass two params rather than three.
	(get_32bit_elf_symbols): Take file and section args.  Read and
	use SHT_SYMTAB_SHNDX.
	(get_64bit_elf_symbols): Likewise.
	(dump_relocations): Use SECTION_HEADER to index "section_headers".
	(process_section_headers): Likewise.  Use SECTION_HEADER_NUM too.
	Remember symtab_shdx_hdr.
	(process_program_headers): Scan from index 1 for segment map.
	(slurp_ia64_unwind_table): Use SECTION_HEADER to index
	"section_headers".
	(process_relocs): Likewise.  Also adjust call to GET_ELF_SYMBOLS.
	(process_unwind): Likewise.
	(process_version_sections): Likewise.
	(process_symbol_table): Likewise.
	(display_debug_info): Likewise.
	(process_dynamic_segment): Fake up a symtab section for changed
	GET_ELF_SYMBOLS.
	(get_symbol_index_type): Check SHN_LOOS before SHN_LORESERVE.
	(process_program_headers): Kill signed/unsigned warning.
	(load_debug_str): Likewise.
	(display_debug_info): Likewise.
2001-12-17 00:52:35 +00:00
Jakub Jelinek 68f691521a * elf-bfd.h (_bfd_elf_maybe_strip_eh_frame_hdr): New prototype.
* elf-eh-frame.c (struct eh_frame_hdr_info): Add strip.
	(_bfd_elf_discard_section_eh_frame): Don't create .eh_frame_hdr
	sec_info here.  Free ehbuf.
	(_bfd_elf_discard_section_eh_frame_hdr): Don't size the section
	if hdr_info->strip.
	(_bfd_elf_maybe_strip_eh_frame_hdr): New.
	* elflink.h (size_dynamic_sections): Call it.
2001-12-15 08:54:13 +00:00
Alan Modra 72dd63313e * elflink.h (elf_bfd_discard_info): Fix segfault when dynobj NULL. 2001-12-14 01:52:27 +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
H.J. Lu 215007a648 2001-11-30 H.J. Lu <hjl@gnu.org>
* elflink.h (elf_add_default_symbol): New.
	(elf_link_add_object_symbols): Call elf_add_default_symbol ()
	to create an indirect symbol from the default for the symbol
	with the default version if needed.
2001-11-30 15:50:56 +00:00
H.J. Lu 163c1c309e 2001-11-27 H.J. Lu <hjl@gnu.org>
* elflink.h (elf_bfd_discard_info): Skip if the input bfd isn't
	ELF.
2001-11-27 19:03:27 +00:00
Jakub Jelinek f8df10f4f5 * elf.c (_bfd_elf_rela_local_sym): New.
* elflink.h (elf_link_input_bfd): Don't consider empty
	merged sections as removed in relocation tests.
	* elf-bfd.h (_bfd_elf_rela_local_sym): Add prototype.
	* elf32-i386.c (elf_i386_relocate_section): Handle relocs
	against STT_SECTION symbol of SHF_MERGE section.
	* elf32-arm.h (elf32_arm_relocate_section): Likewise.
	* elf32-avr.c (elf32_avr_relocate_section): Call
	_bfd_elf_rela_local_sym.
	* elf32-cris.c (cris_elf_relocate_section): Likewise.
	* elf32-d10v.c (elf32_d10v_relocate_section): Likewise.
	* elf32-fr30.c (fr30_final_link_relocate): Likewise.
	* elf32-h8300.c (elf32_h8_relocate_section): Likewise.
	* elf32-hppa.c (elf32_hppa_relocate_section): Likewise.
	* elf32-i370.c (i370_elf_relocate_section): Likewise.
	* elf32-i860.c (elf32_i860_relocate_section): Likewise.
	* elf32-m32r.c (m32r_elf_relocate_section): Likewise.
	* elf32-m68k.c (elf_m68k_relocate_section): Likewise.
	* elf32-mcore.c (mcore_elf_relocate_section): Likewise.
	* elf32-openrisc.c (openrisc_elf_relocate_section): Likewise.
	* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
	* elf32-s390.c (elf_s390_relocate_section): Likewise.
	* elf32-sparc.c (elf32_sparc_relocate_section): Likewise.
	* elf32-v850.c (v850_elf_relocate_section): Likewise.
	* elf64-alpha.c (elf64_alpha_relocate_section): Likewise.
	* elf64-mmix.c (mmix_elf_relocate_section): Likewise.
	* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
	* elf64-s390.c (elf_s390_relocate_section): Likewise.
	* elf64-sparc.c (sparc64_elf_relocate_section): Likewise.
	* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
	* elf-hppa.h (elf_hppa_relocate_section): Likewise.
	* elf-m10200.c (mn10200_elf_relocate_section): Likewise.
	* elf-m10300.c (mn10300_elf_relocate_section): Likewise.
	* elfxx-ia64.c (elfNN_ia64_relocate_section): Likewise.
	* elf32-sh.c (sh_elf_relocate_section): Likewise for
	!partial_inplace relocs. Handle relocs against STT_SECTION
	symbol of SHF_MERGE for partial_inplace relocs.

	* config/tc-alpha.c (tc_gen_reloc): Remove SEC_MERGE test.
	* write.c (adjust_reloc_syms): Don't handle relocs against
	SEC_MERGE section symbols specially.
	(fixup_segment): Likewise.
2001-11-23 12:17:21 +00:00
H.J. Lu 45e9217a8f 2001-11-19 H.J. Lu <hjl@gnu.org>
* elflink.h (elf_link_input_bfd): Assert r_symndx != 0 when
	discarding relocations.
2001-11-20 00:54:51 +00:00
Daniel Jacobowitz 44421011e3 * elflink.h (elf_reloc_symbol_deleted_p): Catch all relocs against
local syms from discarded sections.  Update comment.
2001-11-16 02:56:08 +00:00
Alan Modra f9f32305f7 * elflink.h (elf_link_input_bfd): Complain about all relocs
against local syms from discarded sections.
	(elf_reloc_symbol_deleted_p): Don't try to swap in external syms.
2001-11-15 09:31:25 +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
Alan Modra ec33885937 * elf32-arm.h (elf32_arm_final_link_relocate): Don't copy STN_UNDEF
relocs into shared libs.
	* elf32-cris.c (cris_elf_relocate_section): Likewise.
	* elf32-i370.c (i370_elf_relocate_section): Likewise.
	* elf32-m68k.c (elf_m68k_relocate_section): Likewise.
	* elf32-mips.c (mips_elf_calculate_relocation): Likewise.
	* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
	* elf32-sh.c (sh_elf_relocate_section): Likewise.
	* elf32-sparc.c (elf32_sparc_relocate_section): Likewise.
	* elf64-alpha.c (elf64_alpha_relocate_section): Likewise.
	* elf64-s390.c (elf_s390_relocate_section): Likewise.
	* elf64-sparc.c (sparc64_elf_relocate_section): Likewise.
	* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
	* elfxx-ia64.c (elfNN_ia64_relocate_section): Likewise.
	* elf.c (bfd_section_from_r_symndx): New function.
	* elf-bfd.h (LOCAL_SYM_CACHE_SIZE): Define.
	(struct sym_sec_cache): New.
	(bfd_section_from_r_symndx): Declare.
	(struct bfd_elf_section_data): Change local_dynrel type to PTR.
	* elflink.h (elf_link_input_bfd): Don't test for removed linkonce
	relocs when relocatable.  Don't	zero entire reloc, just zero the
	addend and sym.
	* elf32-i386.c (struct elf_i386_link_hash_table): Add sym_sec.
	(elf_i386_link_hash_table_create): Init it.
	(elf_i386_check_relocs): Track dynamic relocs needed for local
	syms on a per-section basis as we do for globals.
	(elf_i386_gc_sweep_hook): Update for local_dynrel change.
	Remove dead code.
	(allocate_dynrelocs): Warning fix.
	(elf_i386_size_dynamic_sections): Don't allocate relocs when
	section has been discarded.
	(elf_i386_relocate_section): Don't copy STN_UNDEF relocs
	into shared libs.
	* elf32-hppa.c: Likewise.
	* elf32-s390.c: Likewise.
	* elf64-ppc.c: Likewise.
	* elf64-s390.c: Likewise.
2001-11-10 00:23:35 +00:00
Jakub Jelinek 2b0f7ef92e * Makefile.am (BFD32_BACKENDS): Add elf-strtab.lo.
(BFD32_BACKENDS_CFILES): Add elf-strtab.c.
	(elf-strtab.lo): Add rule.
	* Makefile.in: Rebuilt.
	* configure.in (elf): Add elf-strtab.lo.
	* configure: Rebuilt.
	* elf-bfd.h (elf_strtab_hash): Forward declare.
	(struct elf_link_hash_table): Change dynstr type to
	struct elf_strtab_hash *.
	(struct elf_obj_tdata): Change strtab_ptr type to
	struct elf_strtab_hash *.
	(_bfd_elf_strtab_init, _bfd_elf_strtab_free, _bfd_elf_strtab_add,
	_bfd_elf_strtab_addref, _bfd_elf_strtab_delref,
	_bfd_elf_strtab_clear_all_refs, _bfd_elf_strtab_size,
	_bfd_elf_strtab_offset, _bfd_elf_strtab_emit,
	_bfd_elf_strtab_finalize): New prototypes.
	* elf-strtab.c: New file.
	* elflink.h (elf_link_add_object_symbols): Use _bfd_elf_strtab_add
	and _bfd_elf_strtab_size instead of _bfd_stringtab calls.
	Call _bfd_elf_strtab_delref if DT_NEEDED entry is not needed or
	when forcing dynamic symbol to local.
	(elf_link_create_dynamic_sections): Call
	_bfd_elf_strtab_init instead of elf_stringtab_init.
	(elf_link_record_local_dynamic_symbol): Likewise, change
	dynstr type.  Use _bfd_elf_strtab functions instead of
	_bfd_stringtab calls.
	(size_dynamic_sections): Use _bfd_elf_strtab functions instead of
	_bfd_stringtab calls.  For DT_RUNPATH and Verdaux vda_name fields,
	call _bfd_elf_strtab_addref.  Call elf_finalize_dynstr.
	(elf_adjust_dynstr_offsets, elf_finalize_dynstr): New functions.
	(elf_fix_symbol_flags): Call _bfd_elf_strtab_delref when forcing
	dynamic symbol to local.
	(elf_link_assign_sym_version): Likewise.
	(elf_bfd_final_link): Call _bfd_elf_strtab_emit instead of
	_bfd_stringtab_emit.
	* elflink.c (_bfd_elf_link_record_dynamic_symbol): Change dynstr
	type.  Call _bfd_elf_strtab functions instead of
	_bfd_stringtab functions.
	* elf64-sparc.c (sparc64_elf_size_dynamic_sections): Likewise.
	* elf.c (_bfd_elf_init_reloc_shdr): Likewise.
	(elf_fake_sections): Likewise.
	(assign_section_numbers): Call _bfd_elf_strtab_clear_all_refs
	on shstrtab hash table, call _bfd_elf_strtab_addref on each section
	name in the output.  Call _bfd_elf_strtab_finalize and
	use _bfd_elf_strtab_offset to finalize sh_name section header fields.
	(_bfd_elf_compute_section_file_positions): Use _bfd_elf_strtab_size
	instead of _bfd_stringtab_size.
	(prep_headers): Change shstrtab type.
	Use _bfd_elf_strtab calls instead of _bfd_stringtab calls.
2001-11-07 16:50:38 +00:00
Alan Modra 1d761fc593 * elflink.h (elf_link_input_bfd <removed linkonce relocs>): Fix
bad symtab segfault.  Formatting and warning fixes.  Improve
	error message for internationalisation.
2001-11-07 04:07:09 +00:00
H.J. Lu f8deed93c6 2001-11-06 H.J. Lu (hjl@gnu.org)
* elflink.h (elf_link_input_bfd): Complain relocs against
	discarded sections.
2001-11-06 17:49:38 +00:00
H.J. Lu 2cd533b769 2001-10-31 H.J. Lu <hjl@gnu.org>
* elflink.h (elf_link_output_extsym): Don't clear the visibility
	field for relocateable.
2001-10-31 16:42:48 +00:00
Alan Modra ce757d1518 * elflink.h (elf_link_input_bfd): Zero the reloc instead of doing
bfd_reloc_type_lookup (bfd, BFD_RELOC_NONE) as bfd_reloc_type_lookup
	doesn't accept BFD_RELOC_* on some targets, eg. hppa.

	* elf32-hppa.c (elf32_hppa_link_hash_entry): Remove plt_abs.
	(hppa_link_hash_newfunc): Likewise.
	(elf32_hppa_finish_dynamic_symbol): Likewise.
	(allocate_dynrelocs): Always allocate .got relocs if shared.
	(elf32_hppa_relocate_section): Output them too.  Similarly
	consolidate .plt reloc code, and no longer initialise .plt
	when a reloc is output.
	(elf32_hppa_finish_dynamic_symbol): Only initialise .plt entries
	when no reloc is output.

	From Herbert Xu <herbert@gondor.apana.org.au>
	* elf32-hppa.c (final_link_relocate): Call bfd_set_error for
	unreachable branches.
2001-10-23 03:55:24 +00:00
Alan Modra 973ffd6335 * elf-m10200.c (mn10200_elf_relax_section): Cast assignment to
Elf_Internal_Shdr.contents now that it's no longer a PTR.
	* elf-m10300.c (mn10300_elf_relax_section): Likewise.
	* elf32-h8300.c (elf32_h8_relax_section): Likewise.
	* elf32-m68k.c (bfd_m68k_elf32_create_embedded_relocs): Likewise.
	* elf32-sh.c (sh_elf_relax_section): Likewise.
	* elf64-alpha.c (elf64_alpha_relax_section): Likewise.
	* elfxx-ia64.c (elfNN_ia64_relax_section): Likewise.
	* elf.c (setup_group): Warning fixes.
	* elflink.h (elf_link_sort_relocs): Likewise.
	* pdp11.c (slurp_reloc_table): Likewise.
2001-10-17 12:01:05 +00:00