7078175474
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.
215 lines
10 KiB
C
215 lines
10 KiB
C
/* IA-64 ELF support for BFD.
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Copyright 1998, 1999, 2000 Free Software Foundation, Inc.
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Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
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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
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef _ELF_IA64_H
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#define _ELF_IA64_H
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/* Bits in the e_flags field of the Elf64_Ehdr: */
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#define EF_IA_64_MASKOS 0x0000000f /* os-specific flags */
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#define EF_IA_64_ARCH 0xff000000 /* arch. version mask */
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/* ??? These four definitions are not part of the SVR4 ABI.
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They were present in David's initial code drop, so it is probable
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that they are used by HP/UX. */
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#define EF_IA_64_TRAPNIL (1 << 0) /* trap NIL pointer dereferences */
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#define EF_IA_64_EXT (1 << 2) /* program uses arch. extensions */
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#define EF_IA_64_BE (1 << 3) /* PSR BE bit set (big-endian) */
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#define EFA_IA_64_EAS2_3 0x23000000 /* ia64 EAS 2.3 */
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#define EF_IA_64_ABI64 (1 << 4) /* 64-bit ABI */
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/* Not used yet. */
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#define EF_IA_64_REDUCEDFP (1 << 5) /* Only FP6-FP11 used. */
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#define EF_IA_64_CONS_GP (1 << 6) /* gp as program wide constant. */
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#define EF_IA_64_NOFUNCDESC_CONS_GP (1 << 7) /* And no function descriptors. */
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/* Not used yet. */
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#define EF_IA_64_ABSOLUTE (1 << 8) /* Load at absolute addresses. */
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#define ELF_STRING_ia64_archext ".IA_64.archext"
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#define ELF_STRING_ia64_pltoff ".IA_64.pltoff"
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#define ELF_STRING_ia64_unwind ".IA_64.unwind"
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#define ELF_STRING_ia64_unwind_info ".IA_64.unwind_info"
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#define ELF_STRING_ia64_unwind_once ".gnu.linkonce.ia64unw."
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#define ELF_STRING_ia64_unwind_info_once ".gnu.linkonce.ia64unwi."
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/* .IA_64.unwind_hdr is only used by HP-UX. */
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#define ELF_STRING_ia64_unwind_hdr ".IA_64.unwind_hdr"
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/* Bits in the sh_flags field of Elf64_Shdr: */
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#define SHF_IA_64_SHORT 0x10000000 /* section near gp */
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#define SHF_IA_64_NORECOV 0x20000000 /* spec insns w/o recovery */
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/* Possible values for sh_type in Elf64_Shdr: */
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#define SHT_IA_64_EXT (SHT_LOPROC + 0) /* extension bits */
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#define SHT_IA_64_UNWIND (SHT_LOPROC + 1) /* unwind bits */
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/* SHT_IA_64_HP_OPT_ANOT is only generated by HPUX compilers for its
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optimization annotation section. GCC does not generate it but we
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want readelf to know what they are. Do not use two capital Ns in
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annotate or sed will turn it into 32 or 64 during the build. */
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#define SHT_IA_64_HP_OPT_ANOT 0x60000004
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/* Bits in the p_flags field of Elf64_Phdr: */
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#define PF_IA_64_NORECOV 0x80000000
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/* Possible values for p_type in Elf64_Phdr: */
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#define PT_IA_64_ARCHEXT (PT_LOPROC + 0) /* arch extension bits */
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#define PT_IA_64_UNWIND (PT_LOPROC + 1) /* ia64 unwind bits */
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/* HP-UX specific values for p_type in Elf64_Phdr.
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These values are currently just used to make
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readelf more usable on HP-UX. */
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#define PT_IA_64_HP_OPT_ANOT (PT_LOOS + 0x12)
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#define PT_IA_64_HP_HSL_ANOT (PT_LOOS + 0x13)
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#define PT_IA_64_HP_STACK (PT_LOOS + 0x14)
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/* Possible values for d_tag in Elf64_Dyn: */
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#define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0)
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/* This section only used by HP-UX, The HP linker gives weak symbols
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precedence over regular common symbols. We want common to override
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weak. Using this common instead of SHN_COMMON does that. */
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#define SHN_IA_64_ANSI_COMMON 0xFF00
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/* ia64-specific relocation types: */
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/* Relocs apply to specific instructions within a bundle. The least
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significant 2 bits of the address indicate which instruction in the
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bundle the reloc refers to (0=first slot, 1=second slow, 2=third
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slot, 3=undefined) and the remaining bits give the address of the
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bundle (16 byte aligned).
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The top 5 bits of the reloc code specifies the expression type, the
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low 3 bits the format of the data word being relocated. */
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#include "elf/reloc-macros.h"
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START_RELOC_NUMBERS (elf_ia64_reloc_type)
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RELOC_NUMBER (R_IA64_NONE, 0x00) /* none */
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RELOC_NUMBER (R_IA64_IMM14, 0x21) /* symbol + addend, add imm14 */
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RELOC_NUMBER (R_IA64_IMM22, 0x22) /* symbol + addend, add imm22 */
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RELOC_NUMBER (R_IA64_IMM64, 0x23) /* symbol + addend, mov imm64 */
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RELOC_NUMBER (R_IA64_DIR32MSB, 0x24) /* symbol + addend, data4 MSB */
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RELOC_NUMBER (R_IA64_DIR32LSB, 0x25) /* symbol + addend, data4 LSB */
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RELOC_NUMBER (R_IA64_DIR64MSB, 0x26) /* symbol + addend, data8 MSB */
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RELOC_NUMBER (R_IA64_DIR64LSB, 0x27) /* symbol + addend, data8 LSB */
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RELOC_NUMBER (R_IA64_GPREL22, 0x2a) /* @gprel(sym+add), add imm22 */
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RELOC_NUMBER (R_IA64_GPREL64I, 0x2b) /* @gprel(sym+add), mov imm64 */
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RELOC_NUMBER (R_IA64_GPREL32MSB, 0x2c) /* @gprel(sym+add), data4 MSB */
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RELOC_NUMBER (R_IA64_GPREL32LSB, 0x2d) /* @gprel(sym+add), data4 LSB */
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RELOC_NUMBER (R_IA64_GPREL64MSB, 0x2e) /* @gprel(sym+add), data8 MSB */
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RELOC_NUMBER (R_IA64_GPREL64LSB, 0x2f) /* @gprel(sym+add), data8 LSB */
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RELOC_NUMBER (R_IA64_LTOFF22, 0x32) /* @ltoff(sym+add), add imm22 */
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RELOC_NUMBER (R_IA64_LTOFF64I, 0x33) /* @ltoff(sym+add), mov imm64 */
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RELOC_NUMBER (R_IA64_PLTOFF22, 0x3a) /* @pltoff(sym+add), add imm22 */
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RELOC_NUMBER (R_IA64_PLTOFF64I, 0x3b) /* @pltoff(sym+add), mov imm64 */
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RELOC_NUMBER (R_IA64_PLTOFF64MSB, 0x3e) /* @pltoff(sym+add), data8 MSB */
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RELOC_NUMBER (R_IA64_PLTOFF64LSB, 0x3f) /* @pltoff(sym+add), data8 LSB */
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RELOC_NUMBER (R_IA64_FPTR64I, 0x43) /* @fptr(sym+add), mov imm64 */
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RELOC_NUMBER (R_IA64_FPTR32MSB, 0x44) /* @fptr(sym+add), data4 MSB */
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RELOC_NUMBER (R_IA64_FPTR32LSB, 0x45) /* @fptr(sym+add), data4 LSB */
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RELOC_NUMBER (R_IA64_FPTR64MSB, 0x46) /* @fptr(sym+add), data8 MSB */
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RELOC_NUMBER (R_IA64_FPTR64LSB, 0x47) /* @fptr(sym+add), data8 LSB */
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RELOC_NUMBER (R_IA64_PCREL60B, 0x48) /* @pcrel(sym+add), brl */
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RELOC_NUMBER (R_IA64_PCREL21B, 0x49) /* @pcrel(sym+add), ptb, call */
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RELOC_NUMBER (R_IA64_PCREL21M, 0x4a) /* @pcrel(sym+add), chk.s */
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RELOC_NUMBER (R_IA64_PCREL21F, 0x4b) /* @pcrel(sym+add), fchkf */
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RELOC_NUMBER (R_IA64_PCREL32MSB, 0x4c) /* @pcrel(sym+add), data4 MSB */
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RELOC_NUMBER (R_IA64_PCREL32LSB, 0x4d) /* @pcrel(sym+add), data4 LSB */
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RELOC_NUMBER (R_IA64_PCREL64MSB, 0x4e) /* @pcrel(sym+add), data8 MSB */
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RELOC_NUMBER (R_IA64_PCREL64LSB, 0x4f) /* @pcrel(sym+add), data8 LSB */
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RELOC_NUMBER (R_IA64_LTOFF_FPTR22, 0x52) /* @ltoff(@fptr(s+a)), imm22 */
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RELOC_NUMBER (R_IA64_LTOFF_FPTR64I, 0x53) /* @ltoff(@fptr(s+a)), imm64 */
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RELOC_NUMBER (R_IA64_LTOFF_FPTR32MSB, 0x54) /* @ltoff(@fptr(s+a)), 4 MSB */
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RELOC_NUMBER (R_IA64_LTOFF_FPTR32LSB, 0x55) /* @ltoff(@fptr(s+a)), 4 LSB */
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RELOC_NUMBER (R_IA64_LTOFF_FPTR64MSB, 0x56) /* @ltoff(@fptr(s+a)), 8 MSB */
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RELOC_NUMBER (R_IA64_LTOFF_FPTR64LSB, 0x57) /* @ltoff(@fptr(s+a)), 8 LSB */
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RELOC_NUMBER (R_IA64_SEGREL32MSB, 0x5c) /* @segrel(sym+add), data4 MSB */
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RELOC_NUMBER (R_IA64_SEGREL32LSB, 0x5d) /* @segrel(sym+add), data4 LSB */
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RELOC_NUMBER (R_IA64_SEGREL64MSB, 0x5e) /* @segrel(sym+add), data8 MSB */
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RELOC_NUMBER (R_IA64_SEGREL64LSB, 0x5f) /* @segrel(sym+add), data8 LSB */
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RELOC_NUMBER (R_IA64_SECREL32MSB, 0x64) /* @secrel(sym+add), data4 MSB */
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RELOC_NUMBER (R_IA64_SECREL32LSB, 0x65) /* @secrel(sym+add), data4 LSB */
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RELOC_NUMBER (R_IA64_SECREL64MSB, 0x66) /* @secrel(sym+add), data8 MSB */
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RELOC_NUMBER (R_IA64_SECREL64LSB, 0x67) /* @secrel(sym+add), data8 LSB */
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RELOC_NUMBER (R_IA64_REL32MSB, 0x6c) /* data 4 + REL */
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RELOC_NUMBER (R_IA64_REL32LSB, 0x6d) /* data 4 + REL */
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RELOC_NUMBER (R_IA64_REL64MSB, 0x6e) /* data 8 + REL */
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RELOC_NUMBER (R_IA64_REL64LSB, 0x6f) /* data 8 + REL */
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RELOC_NUMBER (R_IA64_LTV32MSB, 0x74) /* symbol + addend, data4 MSB */
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RELOC_NUMBER (R_IA64_LTV32LSB, 0x75) /* symbol + addend, data4 LSB */
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RELOC_NUMBER (R_IA64_LTV64MSB, 0x76) /* symbol + addend, data8 MSB */
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RELOC_NUMBER (R_IA64_LTV64LSB, 0x77) /* symbol + addend, data8 LSB */
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RELOC_NUMBER (R_IA64_PCREL21BI, 0x79) /* @pcrel(sym+add), ptb, call */
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RELOC_NUMBER (R_IA64_PCREL22, 0x7a) /* @pcrel(sym+add), imm22 */
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RELOC_NUMBER (R_IA64_PCREL64I, 0x7b) /* @pcrel(sym+add), imm64 */
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RELOC_NUMBER (R_IA64_IPLTMSB, 0x80) /* dynamic reloc, imported PLT, MSB */
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RELOC_NUMBER (R_IA64_IPLTLSB, 0x81) /* dynamic reloc, imported PLT, LSB */
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RELOC_NUMBER (R_IA64_COPY, 0x84) /* dynamic reloc, data copy */
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RELOC_NUMBER (R_IA64_LTOFF22X, 0x86) /* LTOFF22, relaxable. */
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RELOC_NUMBER (R_IA64_LDXMOV, 0x87) /* Use of LTOFF22X. */
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RELOC_NUMBER (R_IA64_TPREL14, 0x91) /* @tprel(sym+add), add imm14 */
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RELOC_NUMBER (R_IA64_TPREL22, 0x92) /* @tprel(sym+add), add imm22 */
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RELOC_NUMBER (R_IA64_TPREL64I, 0x93) /* @tprel(sym+add), add imm64 */
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RELOC_NUMBER (R_IA64_TPREL64MSB, 0x96) /* @tprel(sym+add), data8 MSB */
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RELOC_NUMBER (R_IA64_TPREL64LSB, 0x97) /* @tprel(sym+add), data8 LSB */
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RELOC_NUMBER (R_IA64_LTOFF_TPREL22, 0x9a) /* @ltoff(@tprel(s+a)), add imm22 */
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RELOC_NUMBER (R_IA64_DTPMOD64MSB, 0xa6) /* @dtpmod(sym+add), data8 MSB */
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RELOC_NUMBER (R_IA64_DTPMOD64LSB, 0xa7) /* @dtpmod(sym+add), data8 LSB */
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RELOC_NUMBER (R_IA64_LTOFF_DTPMOD22, 0xaa) /* @ltoff(@dtpmod(s+a)), imm22 */
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RELOC_NUMBER (R_IA64_DTPREL14, 0xb1) /* @dtprel(sym+add), imm14 */
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RELOC_NUMBER (R_IA64_DTPREL22, 0xb2) /* @dtprel(sym+add), imm22 */
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RELOC_NUMBER (R_IA64_DTPREL64I, 0xb3) /* @dtprel(sym+add), imm64 */
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RELOC_NUMBER (R_IA64_DTPREL32MSB, 0xb4) /* @dtprel(sym+add), data4 MSB */
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RELOC_NUMBER (R_IA64_DTPREL32LSB, 0xb5) /* @dtprel(sym+add), data4 LSB */
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RELOC_NUMBER (R_IA64_DTPREL64MSB, 0xb6) /* @dtprel(sym+add), data8 MSB */
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RELOC_NUMBER (R_IA64_DTPREL64LSB, 0xb7) /* @dtprel(sym+add), data8 LSB */
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RELOC_NUMBER (R_IA64_LTOFF_DTPREL22, 0xba) /* @ltoff(@dtprel(s+a)), imm22 */
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FAKE_RELOC (R_IA64_MAX_RELOC_CODE, 0xba)
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END_RELOC_NUMBERS (R_IA64_max)
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#endif /* _ELF_IA64_H */
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