include/elf/x86-64.h

   1 /* x86_64 ELF support for BFD.
   2    Copyright (C) 2000-2024 Free Software Foundation, Inc.
   3    Contributed by Jan Hubicka <jh@suse.cz>
   4
   5    This file is part of BFD, the Binary File Descriptor library.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software Foundation,
  19    Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  20
  21 #ifndef _ELF_X86_64_H
  22 #define _ELF_X86_64_H
  23
  24 #include "elf/reloc-macros.h"
  25
  26 START_RELOC_NUMBERS (elf_x86_64_reloc_type)
  27      RELOC_NUMBER (R_X86_64_NONE,     0)      /* No reloc */
  28      RELOC_NUMBER (R_X86_64_64,       1)      /* Direct 64 bit  */
  29      RELOC_NUMBER (R_X86_64_PC32,     2)      /* PC relative 32 bit signed */
  30      RELOC_NUMBER (R_X86_64_GOT32,    3)      /* 32 bit GOT entry */
  31      RELOC_NUMBER (R_X86_64_PLT32,    4)      /* 32 bit PLT address */
  32      RELOC_NUMBER (R_X86_64_COPY,     5)      /* Copy symbol at runtime */
  33      RELOC_NUMBER (R_X86_64_GLOB_DAT, 6)      /* Create GOT entry */
  34      RELOC_NUMBER (R_X86_64_JUMP_SLOT,7)      /* Create PLT entry */
  35      RELOC_NUMBER (R_X86_64_RELATIVE, 8)      /* Adjust by program base */
  36      RELOC_NUMBER (R_X86_64_GOTPCREL, 9)      /* 32 bit signed pc relative
  37                                                  offset to GOT entry */
  38      RELOC_NUMBER (R_X86_64_32,       10)     /* Direct 32 bit zero extended */
  39      RELOC_NUMBER (R_X86_64_32S,      11)     /* Direct 32 bit sign extended */
  40      RELOC_NUMBER (R_X86_64_16,       12)     /* Direct 16 bit zero extended */
  41      RELOC_NUMBER (R_X86_64_PC16,     13)     /* 16 bit sign extended pc relative*/
  42      RELOC_NUMBER (R_X86_64_8,        14)     /* Direct 8 bit sign extended */
  43      RELOC_NUMBER (R_X86_64_PC8,      15)     /* 8 bit sign extended pc relative*/
  44      RELOC_NUMBER (R_X86_64_DTPMOD64, 16)     /* ID of module containing symbol */
  45      RELOC_NUMBER (R_X86_64_DTPOFF64, 17)     /* Offset in TLS block */
  46      RELOC_NUMBER (R_X86_64_TPOFF64,  18)     /* Offset in initial TLS block */
  47      RELOC_NUMBER (R_X86_64_TLSGD,    19)     /* PC relative offset to GD GOT block */
  48      RELOC_NUMBER (R_X86_64_TLSLD,    20)     /* PC relative offset to LD GOT block */
  49      RELOC_NUMBER (R_X86_64_DTPOFF32, 21)     /* Offset in TLS block */
  50      RELOC_NUMBER (R_X86_64_GOTTPOFF, 22)     /* PC relative offset to IE GOT entry */
  51      RELOC_NUMBER (R_X86_64_TPOFF32,  23)     /* Offset in initial TLS block */
  52      RELOC_NUMBER (R_X86_64_PC64,     24)     /* PC relative 64 bit */
  53      RELOC_NUMBER (R_X86_64_GOTOFF64, 25)     /* 64 bit offset to GOT */
  54      RELOC_NUMBER (R_X86_64_GOTPC32,  26)     /* 32 bit signed pc relative
  55                                                  offset to GOT */
  56      RELOC_NUMBER (R_X86_64_GOT64,    27)     /* 64 bit GOT entry offset */
  57      RELOC_NUMBER (R_X86_64_GOTPCREL64, 28)   /* 64 bit signed pc relative
  58                                                  offset to GOT entry */
  59      RELOC_NUMBER (R_X86_64_GOTPC64,  29)     /* 64 bit signed pc relative
  60                                                  offset to GOT */
  61      RELOC_NUMBER (R_X86_64_GOTPLT64, 30)     /* Obsolete. The same as GOT64. */
  62      RELOC_NUMBER (R_X86_64_PLTOFF64, 31)     /* 64 bit GOT relative offset
  63                                                  to PLT entry */
  64      RELOC_NUMBER (R_X86_64_SIZE32,   32)     /* 32-bit symbol size */
  65      RELOC_NUMBER (R_X86_64_SIZE64,   33)     /* 64-bit symbol size */
  66      RELOC_NUMBER (R_X86_64_GOTPC32_TLSDESC, 34)
  67                                               /* 32 bit signed pc relative
  68                                                  offset to TLS descriptor
  69                                                  in the GOT.  */
  70      RELOC_NUMBER (R_X86_64_TLSDESC_CALL, 35) /* Relaxable call through TLS
  71                                                  descriptor.  */
  72      RELOC_NUMBER (R_X86_64_TLSDESC, 36)      /* 2x64-bit TLS descriptor.  */
  73      RELOC_NUMBER (R_X86_64_IRELATIVE, 37)    /* Adjust indirectly by program base */
  74      RELOC_NUMBER (R_X86_64_RELATIVE64, 38)   /* 64bit adjust by program base */
  75      RELOC_NUMBER (R_X86_64_PC32_BND, 39)     /* PC relative 32 bit
  76                                                  signed with BND prefix  */
  77      RELOC_NUMBER (R_X86_64_PLT32_BND, 40)    /* 32 bit PLT address with
  78                                                  BND prefix */
  79      /* Load from 32 bit signed pc relative offset to GOT entry without
  80         REX nor REX2 prefixes, relaxable.  */
  81      RELOC_NUMBER (R_X86_64_GOTPCRELX, 41)
  82      /* Load from 32 bit signed pc relative offset to GOT entry with
  83         REX prefix, relaxable.  */
  84      RELOC_NUMBER (R_X86_64_REX_GOTPCRELX, 42)
  85      /* Load from 32 bit signed pc relative offset to GOT entry if the
  86         instruction starts at 4 bytes before the relocation offset,
  87         relaxable.  */
  88      RELOC_NUMBER (R_X86_64_CODE_4_GOTPCRELX, 43)
  89      /* PC relative offset to IE GOT entry if the instruction starts at
  90         4 bytes before the relocation offset.  */
  91      RELOC_NUMBER (R_X86_64_CODE_4_GOTTPOFF, 44)
  92      /* 32 bit signed pc relative offset to TLS descriptor in the GOT if
  93         instruction starts at 4 bytes before the relocation offset.  */
  94      RELOC_NUMBER (R_X86_64_CODE_4_GOTPC32_TLSDESC, 45)
  95      /* Load from 32 bit signed pc relative offset to GOT entry if the
  96         instruction starts at 5 bytes before the relocation offset,
  97         relaxable.  */
  98      RELOC_NUMBER (R_X86_64_CODE_5_GOTPCRELX, 46)
  99      /* 32 bit signed pc relative offset to TLS descriptor in the GOT if
 100         instruction starts at 5 bytes before the relocation offset.  */
 101      RELOC_NUMBER (R_X86_64_CODE_5_GOTPC32_TLSDESC, 47)
 102     /* PC relative offset to IE GOT entry if the instruction starts at
 103        5 bytes before the relocation offset.  */
 104      RELOC_NUMBER (R_X86_64_CODE_5_GOTTPOFF, 48)
 105      /* Load from 32 bit signed pc relative offset to GOT entry if the
 106         instruction starts at 6 bytes before the relocation offset,
 107         relaxable.  */
 108      RELOC_NUMBER (R_X86_64_CODE_6_GOTPCRELX, 49)
 109     /* PC relative offset to IE GOT entry if the instruction starts at
 110        6 bytes before the relocation offset.  */
 111      RELOC_NUMBER (R_X86_64_CODE_6_GOTTPOFF, 50)
 112      /* 32 bit signed pc relative offset to TLS descriptor in the GOT if
 113         instruction starts at 6 bytes before the relocation offset.  */
 114      RELOC_NUMBER (R_X86_64_CODE_6_GOTPC32_TLSDESC, 51)
 115      RELOC_NUMBER (R_X86_64_GNU_VTINHERIT, 250)       /* GNU C++ hack  */
 116      RELOC_NUMBER (R_X86_64_GNU_VTENTRY, 251)         /* GNU C++ hack  */
 117 END_RELOC_NUMBERS (R_X86_64_max)
 118
 119 /* Processor specific section types.  */
 120
 121 #define SHT_X86_64_UNWIND       (SHT_LOPROC + 1)  /* Unwind information.  */
 122
 123 /* Like SHN_COMMON but the symbol will be allocated in the .lbss
 124    section.  */
 125 #define SHN_X86_64_LCOMMON      (SHN_LORESERVE + 2)
 126
 127 #define SHF_X86_64_LARGE        0x10000000
 128
 129 #define DT_X86_64_PLT           (DT_LOPROC + 0)
 130 #define DT_X86_64_PLTSZ         (DT_LOPROC + 1)
 131 #define DT_X86_64_PLTENT        (DT_LOPROC + 3)
 132
 133 #endif