2838430f1b
2009-06-01 H.J. Lu <hongjiu.lu@intel.com> PR ld/10205 * elf32-i386.c (elf_howto_table): Add R_386_IRELATIVE. (elf_i386_reloc_type_lookup): Likewise. (R_386_tls): Removed. (R_386_irelative): New. (R_386_vt_offset): Updated. (elf_i386_rtype_to_howto): Likewise. (elf_i386_link_hash_table): Add igotplt, iplt and irelplt. (elf_i386_link_hash_table_create): Initialize igotplt, iplt and irelplt. (elf_i386_check_relocs): Handle STT_GNU_IFUNC symbol first. (elf_i386_adjust_dynamic_symbol): Likewise. (elf_i386_allocate_dynrelocs): Likewise. (elf_i386_relocate_section): Likewise. (elf_i386_size_dynamic_sections): Set up .iplt and .igot.plt sections. (elf_i386_finish_dynamic_symbol): When building a static executable, use .iplt, .igot.plt and .rel.iplt sections for STT_GNU_IFUNC symbols. Generate R_386_IRELATIVE relocation for locally defined STT_GNU_IFUNC symbol. * elf64-x86-64.c (x86_64_elf_howto): Add R_X86_64_IRELATIVE. (x86_64_reloc_map): Likewise. (R_X86_64_standard): Updated. (elf64_x86_64_link_hash_table): Add igotplt, iplt and irelplt. (elf64_x86_64_link_hash_table_create): Initialize igotplt, iplt and irelplt. (elf64_x86_64_check_relocs): Handle STT_GNU_IFUNC symbol first. (elf64_x86_64_adjust_dynamic_symbol): Likewise. (elf64_x86_64_allocate_dynrelocs): Likewise. (elf64_x86_64_relocate_section): Likewise. (elf64_x86_64_size_dynamic_sections): Set up .iplt and .igot.plt sections. (elf64_x86_64_finish_dynamic_symbol): When building a static executable, use .iplt, .igot.plt and .rela.iplt sections for STT_GNU_IFUNC symbols. Generate R_X86_64_IRELATIVE relocation for locally defined STT_GNU_IFUNC symbol. * reloc.c (BFD_RELOC_386_IRELATIVE): New. (BFD_RELOC_X86_64_IRELATIVE): Likewise. * bfd-in2.h: Regenerated. * libbfd.h: Likewise. include/elf/ 2009-06-01 H.J. Lu <hongjiu.lu@intel.com> PR ld/10205 * i386.h (R_386_IRELATIVE): New. * x86-64.h (R_X86_64_IRELATIVE): Likewise. ld/testsuite/ 2009-06-01 H.J. Lu <hongjiu.lu@intel.com> PR ld/10205 * ld-ifunc/ifunc.exp (contains_irelative_reloc): New. Use it on executable and shared library. Run *.d. * ld-ifunc/lib.c: Add a hidden alias, __GI_library_func2, for library_func2. (library_func): New. * ld-ifunc/ifunc-1-x86.d: New. * ld-ifunc/ifunc-1-x86.s: Likewise. * ld-ifunc/ifunc-2-i386.d: Likewise. * ld-ifunc/ifunc-2-i386.s: Likewise. * ld-ifunc/ifunc-2-x86-64.d: Likewise. * ld-ifunc/ifunc-2-x86-64.s: Likewise. * ld-ifunc/ifunc-3a-x86.d: Likewise. * ld-ifunc/ifunc-3b-x86.d: Likewise. * ld-ifunc/ifunc-3-x86.s: Likewise. * ld-ifunc/ifunc-4-x86.d: Likewise. * ld-ifunc/ifunc-4-x86.s: Likewise. * ld-ifunc/ifunc-5-i386.d: Likewise. * ld-ifunc/ifunc-5-i386.s: Likewise. * ld-ifunc/ifunc-5-x86-64.d: Likewise. * ld-ifunc/ifunc-5-x86-64.s: Likewise.
89 lines
4.6 KiB
C
89 lines
4.6 KiB
C
/* x86_64 ELF support for BFD.
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Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006, 2008
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Free Software Foundation, Inc.
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Contributed by Jan Hubicka <jh@suse.cz>
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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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef _ELF_X86_64_H
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#define _ELF_X86_64_H
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#include "elf/reloc-macros.h"
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START_RELOC_NUMBERS (elf_x86_64_reloc_type)
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RELOC_NUMBER (R_X86_64_NONE, 0) /* No reloc */
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RELOC_NUMBER (R_X86_64_64, 1) /* Direct 64 bit */
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RELOC_NUMBER (R_X86_64_PC32, 2) /* PC relative 32 bit signed */
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RELOC_NUMBER (R_X86_64_GOT32, 3) /* 32 bit GOT entry */
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RELOC_NUMBER (R_X86_64_PLT32, 4) /* 32 bit PLT address */
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RELOC_NUMBER (R_X86_64_COPY, 5) /* Copy symbol at runtime */
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RELOC_NUMBER (R_X86_64_GLOB_DAT, 6) /* Create GOT entry */
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RELOC_NUMBER (R_X86_64_JUMP_SLOT,7) /* Create PLT entry */
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RELOC_NUMBER (R_X86_64_RELATIVE, 8) /* Adjust by program base */
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RELOC_NUMBER (R_X86_64_GOTPCREL, 9) /* 32 bit signed pc relative
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offset to GOT entry */
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RELOC_NUMBER (R_X86_64_32, 10) /* Direct 32 bit zero extended */
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RELOC_NUMBER (R_X86_64_32S, 11) /* Direct 32 bit sign extended */
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RELOC_NUMBER (R_X86_64_16, 12) /* Direct 16 bit zero extended */
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RELOC_NUMBER (R_X86_64_PC16, 13) /* 16 bit sign extended pc relative*/
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RELOC_NUMBER (R_X86_64_8, 14) /* Direct 8 bit sign extended */
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RELOC_NUMBER (R_X86_64_PC8, 15) /* 8 bit sign extended pc relative*/
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RELOC_NUMBER (R_X86_64_DTPMOD64, 16) /* ID of module containing symbol */
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RELOC_NUMBER (R_X86_64_DTPOFF64, 17) /* Offset in TLS block */
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RELOC_NUMBER (R_X86_64_TPOFF64, 18) /* Offset in initial TLS block */
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RELOC_NUMBER (R_X86_64_TLSGD, 19) /* PC relative offset to GD GOT block */
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RELOC_NUMBER (R_X86_64_TLSLD, 20) /* PC relative offset to LD GOT block */
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RELOC_NUMBER (R_X86_64_DTPOFF32, 21) /* Offset in TLS block */
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RELOC_NUMBER (R_X86_64_GOTTPOFF, 22) /* PC relative offset to IE GOT entry */
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RELOC_NUMBER (R_X86_64_TPOFF32, 23) /* Offset in initial TLS block */
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RELOC_NUMBER (R_X86_64_PC64, 24) /* PC relative 64 bit */
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RELOC_NUMBER (R_X86_64_GOTOFF64, 25) /* 64 bit offset to GOT */
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RELOC_NUMBER (R_X86_64_GOTPC32, 26) /* 32 bit signed pc relative
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offset to GOT */
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RELOC_NUMBER (R_X86_64_GOT64, 27) /* 64 bit GOT entry offset */
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RELOC_NUMBER (R_X86_64_GOTPCREL64, 28) /* 64 bit signed pc relative
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offset to GOT entry */
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RELOC_NUMBER (R_X86_64_GOTPC64, 29) /* 64 bit signed pc relative
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offset to GOT */
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RELOC_NUMBER (R_X86_64_GOTPLT64, 30) /* like GOT64, but indicates
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that PLT entry is needed */
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RELOC_NUMBER (R_X86_64_PLTOFF64, 31) /* 64 bit GOT relative offset
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to PLT entry */
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/* 32 .. 33 */
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RELOC_NUMBER (R_X86_64_GOTPC32_TLSDESC, 34)
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/* 32 bit signed pc relative
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offset to TLS descriptor
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in the GOT. */
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RELOC_NUMBER (R_X86_64_TLSDESC_CALL, 35) /* Relaxable call through TLS
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descriptor. */
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RELOC_NUMBER (R_X86_64_TLSDESC, 36) /* 2x64-bit TLS descriptor. */
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RELOC_NUMBER (R_X86_64_IRELATIVE, 37) /* Adjust indirectly by program base */
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RELOC_NUMBER (R_X86_64_GNU_VTINHERIT, 250) /* GNU C++ hack */
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RELOC_NUMBER (R_X86_64_GNU_VTENTRY, 251) /* GNU C++ hack */
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END_RELOC_NUMBERS (R_X86_64_max)
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/* Processor specific section types. */
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#define SHT_X86_64_UNWIND 0x70000001 /* unwind information */
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/* Like SHN_COMMON but the symbol will be allocated in the .lbss
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section. */
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#define SHN_X86_64_LCOMMON (SHN_LORESERVE + 2)
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#define SHF_X86_64_LARGE 0x10000000
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#endif
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