1 // x86-64.h -- ELF definitions specific to EM_X86_64 -*- C++ -*-
3 // Copyright 2006, 2007, 2010 Free Software Foundation, Inc.
4 // Written by Andrew Chatham.
6 // This file is part of elfcpp.
8 // This program is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public License
10 // as published by the Free Software Foundation; either version 2, or
11 // (at your option) any later version.
13 // In addition to the permissions in the GNU Library General Public
14 // License, the Free Software Foundation gives you unlimited
15 // permission to link the compiled version of this file into
16 // combinations with other programs, and to distribute those
17 // combinations without any restriction coming from the use of this
18 // file. (The Library Public License restrictions do apply in other
19 // respects; for example, they cover modification of the file, and
20 /// distribution when not linked into a combined executable.)
22 // This program is distributed in the hope that it will be useful, but
23 // WITHOUT ANY WARRANTY; without even the implied warranty of
24 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
25 // Library General Public License for more details.
27 // You should have received a copy of the GNU Library General Public
28 // License along with this program; if not, write to the Free Software
29 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
32 #ifndef ELFCPP_X86_64_H
33 #define ELFCPP_X86_64_H
38 // Documentation is taken from
39 // http://www.x86-64.org/documentation/abi-0.98.pdf
41 // Documentation for the TLS relocs is taken from
42 // http://people.redhat.com/drepper/tls.pdf
43 // http://www.lsd.ic.unicamp.br/~oliva/writeups/TLS/RFC-TLSDESC-x86.txt
47 R_X86_64_NONE
= 0, // No reloc
48 R_X86_64_64
= 1, // Direct 64 bit
49 R_X86_64_PC32
= 2, // PC relative 32 bit signed
50 R_X86_64_GOT32
= 3, // 32 bit GOT entry
51 R_X86_64_PLT32
= 4, // 32 bit PLT address
52 R_X86_64_COPY
= 5, // Copy symbol at runtime
53 R_X86_64_GLOB_DAT
= 6, // Create GOT entry
54 R_X86_64_JUMP_SLOT
= 7, // Create PLT entry
55 R_X86_64_RELATIVE
= 8, // Adjust by program base
56 R_X86_64_GOTPCREL
= 9, // 32 bit signed PC relative offset to GOT
57 R_X86_64_32
= 10, // Direct 32 bit zero extended
58 R_X86_64_32S
= 11, // Direct 32 bit sign extended
59 R_X86_64_16
= 12, // Direct 16 bit zero extended
60 R_X86_64_PC16
= 13, // 16 bit sign extended pc relative
61 R_X86_64_8
= 14, // Direct 8 bit sign extended
62 R_X86_64_PC8
= 15, // 8 bit sign extended pc relative
65 R_X86_64_DTPMOD64
= 16, // ID of module containing symbol
66 R_X86_64_DTPOFF64
= 17, // Offset in module's TLS block
67 R_X86_64_TPOFF64
= 18, // Offset in initial TLS block
68 R_X86_64_TLSGD
= 19, // 32 bit signed PC relative offset to two
69 // GOT entries for GD symbol
70 R_X86_64_TLSLD
= 20, // 32 bit signed PC relative offset to two
71 // GOT entries for LD symbol
72 R_X86_64_DTPOFF32
= 21, // Offset in TLS block
73 R_X86_64_GOTTPOFF
= 22, // 32 bit signed PC relative offset to GOT
74 // entry for IE symbol
75 R_X86_64_TPOFF32
= 23, // Offset in initial TLS block
77 R_X86_64_PC64
= 24, // 64-bit PC relative
78 R_X86_64_GOTOFF64
= 25, // 64-bit GOT offset
79 R_X86_64_GOTPC32
= 26, // 32-bit PC relative offset to GOT
81 R_X86_64_GOT64
= 27, // 64-bit GOT entry offset
82 R_X86_64_GOTPCREL64
= 28, // 64-bit PC relative offset to GOT entry
83 R_X86_64_GOTPC64
= 29, // 64-bit PC relative offset to GOT
84 R_X86_64_GOTPLT64
= 30, // Like GOT64, indicates that PLT entry needed
85 R_X86_64_PLTOFF64
= 31, // 64-bit GOT relative offset to PLT entry
90 R_X86_64_GOTPC32_TLSDESC
= 34, // 32-bit PC relative to TLS descriptor in GOT
91 R_X86_64_TLSDESC_CALL
= 35, // Relaxable call through TLS descriptor
92 R_X86_64_TLSDESC
= 36, // 2 by 64-bit TLS descriptor
93 R_X86_64_IRELATIVE
= 37, // Adjust indirectly by program base
94 R_X86_64_RELATIVE64
= 38, // 64-bit adjust by program base
95 R_X86_64_PC32_BND
= 39, // PC relative 32 bit signed with BND prefix
96 R_X86_64_PLT32_BND
= 40, // 32 bit PLT address with BND prefix
97 // GNU vtable garbage collection extensions.
98 R_X86_64_GNU_VTINHERIT
= 250,
99 R_X86_64_GNU_VTENTRY
= 251
102 } // End namespace elfcpp.
104 #endif // !defined(ELFCPP_X86_64_H)
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