| 1 | // x86-64.h -- ELF definitions specific to EM_X86_64 -*- C++ -*- |
| 2 | |
| 3 | // Copyright 2006, 2007, Free Software Foundation, Inc. |
| 4 | // Written by Andrew Chatham. |
| 5 | |
| 6 | // This file is part of elfcpp. |
| 7 | |
| 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. |
| 12 | |
| 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.) |
| 21 | |
| 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. |
| 26 | |
| 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 |
| 30 | // 02110-1301, USA. |
| 31 | |
| 32 | #ifndef ELFCPP_X86_64_H |
| 33 | #define ELFCPP_X86_64_H |
| 34 | |
| 35 | namespace elfcpp |
| 36 | { |
| 37 | |
| 38 | // Documentation is taken from |
| 39 | // http://www.x86-64.org/documentation/abi-0.98.pdf |
| 40 | // elf.h |
| 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 |
| 44 | |
| 45 | enum |
| 46 | { |
| 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 |
| 63 | |
| 64 | // TLS relocations |
| 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 |
| 76 | |
| 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 |
| 80 | |
| 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 |
| 86 | |
| 87 | R_X86_64_SIZE32 = 32, |
| 88 | R_X86_64_SIZE64 = 33, |
| 89 | |
| 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 | // GNU vtable garbage collection extensions. |
| 94 | R_386_GNU_VTINHERIT = 250, |
| 95 | R_386_GNU_VTENTRY = 251 |
| 96 | }; |
| 97 | |
| 98 | } // End namespace elfcpp. |
| 99 | |
| 100 | #endif // !defined(ELFCPP_X86_64_H) |