• Jakub Jelinek's avatar
    * elf.c (_bfd_elf_make_section_from_shdr): Set SEC_THREAD_LOCAL · 13ae64f3
    Jakub Jelinek authored
    	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.
    13ae64f3
ChangeLog 101 KB