| 1 | // i386.h -- ELF definitions specific to EM_386 -*- C++ -*- |
| 2 | |
| 3 | // Copyright (C) 2006-2019 Free Software Foundation, Inc. |
| 4 | // Written by Ian Lance Taylor <iant@google.com>. |
| 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_I386_H |
| 33 | #define ELFCPP_I386_H |
| 34 | |
| 35 | // Documentation for the TLS relocs is taken from |
| 36 | // http://people.redhat.com/drepper/tls.pdf |
| 37 | // http://www.lsd.ic.unicamp.br/~oliva/writeups/TLS/RFC-TLSDESC-x86.txt |
| 38 | |
| 39 | namespace elfcpp |
| 40 | { |
| 41 | |
| 42 | enum |
| 43 | { |
| 44 | R_386_NONE = 0, // No reloc |
| 45 | R_386_32 = 1, // Direct 32 bit zero extended |
| 46 | R_386_PC32 = 2, // PC relative 32 bit signed |
| 47 | R_386_GOT32 = 3, // 32 bit GOT entry |
| 48 | R_386_PLT32 = 4, // 32 bit PLT address |
| 49 | R_386_COPY = 5, // Copy symbol at runtime |
| 50 | R_386_GLOB_DAT = 6, // Create GOT entry |
| 51 | R_386_JUMP_SLOT = 7, // Create PLT entry |
| 52 | R_386_RELATIVE = 8, // Adjust by program base |
| 53 | R_386_GOTOFF = 9, // 32-bit GOT offset |
| 54 | R_386_GOTPC = 10, // 32-bit PC relative offset to GOT |
| 55 | // Used by Sun. |
| 56 | R_386_32PLT = 11, |
| 57 | // TLS extensions. |
| 58 | R_386_TLS_TPOFF = 14, // Outstanding Initial Exec reloc, gnu-style (both) |
| 59 | R_386_TLS_IE = 15, // Initial Initial Exec reloc, gnu-style (no-PIC) |
| 60 | R_386_TLS_GOTIE = 16, // Initial Initial Exec reloc, gnu-style (for PIC) |
| 61 | R_386_TLS_LE = 17, // Initial Local Exec reloc, gnu-style |
| 62 | R_386_TLS_GD = 18, // Initial General Dynamic reloc, gnu-style |
| 63 | R_386_TLS_LDM = 19, // Initial Local Dynamic reloc, gnu-style |
| 64 | // GNU extensions. |
| 65 | R_386_16 = 20, // Direct 16 bit zero extended |
| 66 | R_386_PC16 = 21, // 16 bit sign extended pc relative |
| 67 | R_386_8 = 22, // Direct 8 bit sign extended |
| 68 | R_386_PC8 = 23, // 8 bit sign extended pc relative |
| 69 | // More TLS relocs. |
| 70 | R_386_TLS_GD_32 = 24, // Initial General Dynamic reloc, sun-style |
| 71 | R_386_TLS_GD_PUSH = 25, // Initial General Dynamic reloc, sun-style |
| 72 | R_386_TLS_GD_CALL = 26, // Initial General Dynamic reloc, sun-style |
| 73 | R_386_TLS_GD_POP = 27, // Initial General Dynamic reloc, sun-style |
| 74 | R_386_TLS_LDM_32 = 28, // Initial Local Dynamic reloc, sun-style |
| 75 | R_386_TLS_LDM_PUSH = 29, // Initial Local Dynamic reloc, sun-style |
| 76 | R_386_TLS_LDM_CALL = 30, // Initial Local Dynamic reloc, sun-style |
| 77 | R_386_TLS_LDM_POP = 31, // Initial Local Dynamic reloc, sun-style |
| 78 | R_386_TLS_LDO_32 = 32, // Initial Local Dynamic reloc, sun+gnu styles |
| 79 | R_386_TLS_IE_32 = 33, // Initial Initial Exec reloc, sun-style |
| 80 | R_386_TLS_LE_32 = 34, // Initial Local Exec reloc, sun-style |
| 81 | R_386_TLS_DTPMOD32 = 35, // Outstanding General/Local Dynamic reloc, sun+gnu |
| 82 | R_386_TLS_DTPOFF32 = 36, // Outstanding General Dynamic reloc, sun+gnu |
| 83 | R_386_TLS_TPOFF32 = 37, // Outstanding Initial Exec reloc, sun-style |
| 84 | R_386_TLS_GOTDESC = 39, // GOT offset for TLS descriptor |
| 85 | R_386_TLS_DESC_CALL = 40, // Marker of call through TLS desc for relaxation |
| 86 | R_386_TLS_DESC = 41, // TLS descriptor containing pointer to code and |
| 87 | // to argument, returning TLS offset for symbol |
| 88 | R_386_IRELATIVE = 42, // Adjust indirectly by program base |
| 89 | R_386_GOT32X = 43, // 32 bit GOT entry, relaxable |
| 90 | // Used by Intel. |
| 91 | R_386_USED_BY_INTEL_200 = 200, |
| 92 | // GNU vtable garbage collection extensions. |
| 93 | R_386_GNU_VTINHERIT = 250, |
| 94 | R_386_GNU_VTENTRY = 251 |
| 95 | }; |
| 96 | |
| 97 | } // End namespace elfcpp. |
| 98 | |
| 99 | #endif // !defined(ELFCPP_I386_H) |