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.
		
	
		
			
				
	
	
		
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			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* ix86 ELF support for BFD.
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   Copyright 1998, 1999, 2000 Free Software Foundation, Inc.
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   This file is part of BFD, the Binary File Descriptor library.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 2 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software Foundation,
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   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
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#ifndef _ELF_I386_H
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#define _ELF_I386_H
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#include "elf/reloc-macros.h"
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START_RELOC_NUMBERS (elf_i386_reloc_type)
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     RELOC_NUMBER (R_386_NONE,      0)	/* No reloc */
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     RELOC_NUMBER (R_386_32,        1)	/* Direct 32 bit  */
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     RELOC_NUMBER (R_386_PC32,      2)	/* PC relative 32 bit */
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     RELOC_NUMBER (R_386_GOT32,     3)	/* 32 bit GOT entry */
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     RELOC_NUMBER (R_386_PLT32,	    4)	/* 32 bit PLT address */
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     RELOC_NUMBER (R_386_COPY,	    5)	/* Copy symbol at runtime */
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     RELOC_NUMBER (R_386_GLOB_DAT,  6)	/* Create GOT entry */
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     RELOC_NUMBER (R_386_JUMP_SLOT, 7)	/* Create PLT entry */
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     RELOC_NUMBER (R_386_RELATIVE,  8)	/* Adjust by program base */
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     RELOC_NUMBER (R_386_GOTOFF,    9)	/* 32 bit offset to GOT */
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     RELOC_NUMBER (R_386_GOTPC,    10)	/* 32 bit PC relative offset to GOT */
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     RELOC_NUMBER (R_386_32PLT,    11)	/* Used by Sun */
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     FAKE_RELOC   (FIRST_INVALID_RELOC, 12)
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     FAKE_RELOC   (LAST_INVALID_RELOC,  16)
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     RELOC_NUMBER (R_386_TLS_LE,   17)
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     RELOC_NUMBER (R_386_TLS_GD,   18)
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     RELOC_NUMBER (R_386_TLS_LDM,  19)
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     RELOC_NUMBER (R_386_16,       20)
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     RELOC_NUMBER (R_386_PC16,     21)
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     RELOC_NUMBER (R_386_8,	   22)
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     RELOC_NUMBER (R_386_PC8,      23)
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     RELOC_NUMBER (R_386_TLS_GD_32,    24)
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     RELOC_NUMBER (R_386_TLS_GD_PUSH,  25)
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     RELOC_NUMBER (R_386_TLS_GD_CALL,  26)
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     RELOC_NUMBER (R_386_TLS_GD_POP,   27)
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     RELOC_NUMBER (R_386_TLS_LDM_32,   28)
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     RELOC_NUMBER (R_386_TLS_LDM_PUSH, 29)
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     RELOC_NUMBER (R_386_TLS_LDM_CALL, 30)
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     RELOC_NUMBER (R_386_TLS_LDM_POP,  31)
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     RELOC_NUMBER (R_386_TLS_LDO_32,   32)
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     RELOC_NUMBER (R_386_TLS_IE_32,    33)
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     RELOC_NUMBER (R_386_TLS_LE_32,    34)
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     RELOC_NUMBER (R_386_TLS_DTPMOD32, 35)
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     RELOC_NUMBER (R_386_TLS_DTPOFF32, 36)
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     RELOC_NUMBER (R_386_TLS_TPOFF32,  37)
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     /* These are GNU extensions to enable C++ vtable garbage collection.  */
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     RELOC_NUMBER (R_386_GNU_VTINHERIT, 250)
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     RELOC_NUMBER (R_386_GNU_VTENTRY, 251)
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END_RELOC_NUMBERS (R_386_max)
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#endif
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