1 | /* ELF support for BFD.
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2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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3 | 2001, 2002, 2003
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4 | Free Software Foundation, Inc.
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5 |
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6 | Written by Fred Fish @ Cygnus Support, from information published
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7 | in "UNIX System V Release 4, Programmers Guide: ANSI C and
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8 | Programming Support Tools".
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9 |
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10 | This file is part of BFD, the Binary File Descriptor library.
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11 |
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12 | This program is free software; you can redistribute it and/or modify
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13 | it under the terms of the GNU General Public License as published by
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14 | the Free Software Foundation; either version 2 of the License, or
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15 | (at your option) any later version.
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16 |
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17 | This program is distributed in the hope that it will be useful,
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18 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 | GNU General Public License for more details.
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21 |
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22 | You should have received a copy of the GNU General Public License
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23 | along with this program; if not, write to the Free Software
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24 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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25 |
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26 |
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27 | /* This file is part of ELF support for BFD, and contains the portions
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28 | that are common to both the internal and external representations.
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29 | For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory)
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30 | and external (in-file) representations. */
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31 |
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32 | #ifndef _ELF_COMMON_H
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33 | #define _ELF_COMMON_H
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34 |
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35 | /* Fields in e_ident[]. */
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36 |
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37 | #define EI_MAG0 0 /* File identification byte 0 index */
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38 | #define ELFMAG0 0x7F /* Magic number byte 0 */
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39 |
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40 | #define EI_MAG1 1 /* File identification byte 1 index */
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41 | #define ELFMAG1 'E' /* Magic number byte 1 */
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42 |
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43 | #define EI_MAG2 2 /* File identification byte 2 index */
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44 | #define ELFMAG2 'L' /* Magic number byte 2 */
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45 |
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46 | #define EI_MAG3 3 /* File identification byte 3 index */
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47 | #define ELFMAG3 'F' /* Magic number byte 3 */
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48 |
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49 | #define EI_CLASS 4 /* File class */
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50 | #define ELFCLASSNONE 0 /* Invalid class */
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51 | #define ELFCLASS32 1 /* 32-bit objects */
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52 | #define ELFCLASS64 2 /* 64-bit objects */
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53 |
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54 | #define EI_DATA 5 /* Data encoding */
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55 | #define ELFDATANONE 0 /* Invalid data encoding */
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56 | #define ELFDATA2LSB 1 /* 2's complement, little endian */
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57 | #define ELFDATA2MSB 2 /* 2's complement, big endian */
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58 |
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59 | #define EI_VERSION 6 /* File version */
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60 |
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61 | #define EI_OSABI 7 /* Operating System/ABI indication */
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62 | #define ELFOSABI_NONE 0 /* UNIX System V ABI */
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63 | #define ELFOSABI_HPUX 1 /* HP-UX operating system */
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64 | #define ELFOSABI_NETBSD 2 /* NetBSD */
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65 | #define ELFOSABI_LINUX 3 /* GNU/Linux */
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66 | #define ELFOSABI_HURD 4 /* GNU/Hurd */
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67 | #define ELFOSABI_SOLARIS 6 /* Solaris */
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68 | #define ELFOSABI_AIX 7 /* AIX */
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69 | #define ELFOSABI_IRIX 8 /* IRIX */
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70 | #define ELFOSABI_FREEBSD 9 /* FreeBSD */
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71 | #define ELFOSABI_TRU64 10 /* TRU64 UNIX */
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72 | #define ELFOSABI_MODESTO 11 /* Novell Modesto */
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73 | #define ELFOSABI_OPENBSD 12 /* OpenBSD */
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74 | #define ELFOSABI_OPENVMS 13 /* OpenVMS */
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75 | #define ELFOSABI_NSK 14 /* Hewlett-Packard Non-Stop Kernel */
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76 | #define ELFOSABI_AROS 15 /* Amiga Research OS */
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77 | #define ELFOSABI_ARM 97 /* ARM */
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78 | #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
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79 |
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80 | #define EI_ABIVERSION 8 /* ABI version */
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81 |
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82 | #define EI_PAD 9 /* Start of padding bytes */
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83 |
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84 |
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85 | /* Values for e_type, which identifies the object file type. */
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86 |
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87 | #define ET_NONE 0 /* No file type */
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88 | #define ET_REL 1 /* Relocatable file */
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89 | #define ET_EXEC 2 /* Executable file */
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90 | #define ET_DYN 3 /* Shared object file */
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91 | #define ET_CORE 4 /* Core file */
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92 | #define ET_LOOS 0xFE00 /* Operating system-specific */
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93 | #define ET_HIOS 0xFEFF /* Operating system-specific */
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94 | #define ET_LOPROC 0xFF00 /* Processor-specific */
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95 | #define ET_HIPROC 0xFFFF /* Processor-specific */
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96 |
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97 | /* Values for e_machine, which identifies the architecture. These numbers
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98 | are officially assigned by registry@caldera.com. See below for a list of
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99 | ad-hoc numbers used during initial development. */
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100 |
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101 | #define EM_NONE 0 /* No machine */
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102 | #define EM_M32 1 /* AT&T WE 32100 */
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103 | #define EM_SPARC 2 /* SUN SPARC */
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104 | #define EM_386 3 /* Intel 80386 */
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105 | #define EM_68K 4 /* Motorola m68k family */
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106 | #define EM_88K 5 /* Motorola m88k family */
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107 | #define EM_486 6 /* Intel 80486 *//* Reserved for future use */
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108 | #define EM_860 7 /* Intel 80860 */
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109 | #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */
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110 | #define EM_S370 9 /* IBM System/370 */
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111 | #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian (Oct 4 1999 Draft) Deprecated */
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112 |
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113 | #define EM_PARISC 15 /* HPPA */
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114 |
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115 | #define EM_VPP550 17 /* Fujitsu VPP500 */
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116 | #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
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117 | #define EM_960 19 /* Intel 80960 */
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118 | #define EM_PPC 20 /* PowerPC */
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119 | #define EM_PPC64 21 /* 64-bit PowerPC */
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120 | #define EM_S390 22 /* IBM S/390 */
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121 |
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122 | #define EM_V800 36 /* NEC V800 series */
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123 | #define EM_FR20 37 /* Fujitsu FR20 */
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124 | #define EM_RH32 38 /* TRW RH32 */
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125 | #define EM_MCORE 39 /* Motorola M*Core */ /* May also be taken by Fujitsu MMA */
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126 | #define EM_RCE 39 /* Old name for MCore */
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127 | #define EM_ARM 40 /* ARM */
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128 | #define EM_OLD_ALPHA 41 /* Digital Alpha */
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129 | #define EM_SH 42 /* Renesas (formerly Hitachi) / SuperH SH */
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130 | #define EM_SPARCV9 43 /* SPARC v9 64-bit */
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131 | #define EM_TRICORE 44 /* Siemens Tricore embedded processor */
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132 | #define EM_ARC 45 /* ARC Cores */
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133 | #define EM_H8_300 46 /* Renesas (formerly Hitachi) H8/300 */
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134 | #define EM_H8_300H 47 /* Renesas (formerly Hitachi) H8/300H */
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135 | #define EM_H8S 48 /* Renesas (formerly Hitachi) H8S */
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136 | #define EM_H8_500 49 /* Renesas (formerly Hitachi) H8/500 */
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137 | #define EM_IA_64 50 /* Intel IA-64 Processor */
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138 | #define EM_MIPS_X 51 /* Stanford MIPS-X */
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139 | #define EM_COLDFIRE 52 /* Motorola Coldfire */
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140 | #define EM_68HC12 53 /* Motorola M68HC12 */
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141 | #define EM_MMA 54 /* Fujitsu Multimedia Accelerator */
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142 | #define EM_PCP 55 /* Siemens PCP */
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143 | #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */
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144 | #define EM_NDR1 57 /* Denso NDR1 microprocesspr */
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145 | #define EM_STARCORE 58 /* Motorola Star*Core processor */
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146 | #define EM_ME16 59 /* Toyota ME16 processor */
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147 | #define EM_ST100 60 /* STMicroelectronics ST100 processor */
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148 | #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded processor */
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149 | #define EM_X86_64 62 /* Advanced Micro Devices X86-64 processor */
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150 |
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151 | #define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */
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152 | #define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */
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153 | #define EM_FX66 66 /* Siemens FX66 microcontroller */
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154 | #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */
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155 | #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */
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156 | #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */
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157 | #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */
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158 | #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */
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159 | #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */
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160 | #define EM_SVX 73 /* Silicon Graphics SVx */
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161 | #define EM_ST19 74 /* STMicroelectronics ST19 8-bit cpu */
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162 | #define EM_VAX 75 /* Digital VAX */
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163 | #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
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164 | #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded cpu */
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165 | #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */
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166 | #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */
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167 | #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
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168 | #define EM_HUANY 81 /* Harvard's machine-independent format */
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169 | #define EM_PRISM 82 /* SiTera Prism */
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170 | #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
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171 | #define EM_FR30 84 /* Fujitsu FR30 */
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172 | #define EM_D10V 85 /* Mitsubishi D10V */
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173 | #define EM_D30V 86 /* Mitsubishi D30V */
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174 | #define EM_V850 87 /* NEC v850 */
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175 | #define EM_M32R 88 /* Renesas M32R (formerly Mitsubishi M32R) */
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176 | #define EM_MN10300 89 /* Matsushita MN10300 */
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177 | #define EM_MN10200 90 /* Matsushita MN10200 */
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178 | #define EM_PJ 91 /* picoJava */
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179 | #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
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180 | #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
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181 | #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
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182 | #define EM_IP2K 101 /* Ubicom IP2022 micro controller */
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183 | #define EM_MSP430 105 /* TI msp430 micro controller */
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184 |
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185 | /* If it is necessary to assign new unofficial EM_* values, please pick large
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186 | random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
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187 | with official or non-GNU unofficial values.
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188 |
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189 | NOTE: Do not just increment the most recent number by one.
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190 | Somebody else somewhere will do exactly the same thing, and you
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191 | will have a collision. Instead, pick a random number.
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192 |
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193 | Normally, each entity or maintainer responsible for a machine with an
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194 | unofficial e_machine number should eventually ask registry@caldera.com for
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195 | an officially blessed number to be added to the list above. */
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196 |
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197 | #define EM_PJ_OLD 99 /* picoJava */
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198 |
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199 | /* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */
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200 | #define EM_CYGNUS_POWERPC 0x9025
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201 |
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202 | /* Old version of Sparc v9, from before the ABI; this should be
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203 | removed shortly. */
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204 | #define EM_OLD_SPARCV9 11
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205 |
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206 | /* Old version of PowerPC, this should be removed shortly. */
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207 | #define EM_PPC_OLD 17
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208 |
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209 | /* (Deprecated) Temporary number for the OpenRISC processor. */
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210 | #define EM_OR32 0x8472
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211 |
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212 | /* Cygnus M32R ELF backend. Written in the absence of an ABI. */
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213 | #define EM_CYGNUS_M32R 0x9041
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214 |
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215 | /* Alpha backend magic number. Written in the absence of an ABI. */
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216 | #define EM_ALPHA 0x9026
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217 |
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218 | /* old S/390 backend magic number. Written in the absence of an ABI. */
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219 | #define EM_S390_OLD 0xa390
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220 |
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221 | /* D10V backend magic number. Written in the absence of an ABI. */
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222 | #define EM_CYGNUS_D10V 0x7650
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223 |
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224 | /* D30V backend magic number. Written in the absence of an ABI. */
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225 | #define EM_CYGNUS_D30V 0x7676
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226 |
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227 | /* V850 backend magic number. Written in the absense of an ABI. */
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228 | #define EM_CYGNUS_V850 0x9080
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229 |
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230 | /* mn10200 and mn10300 backend magic numbers.
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231 | Written in the absense of an ABI. */
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232 | #define EM_CYGNUS_MN10200 0xdead
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233 | #define EM_CYGNUS_MN10300 0xbeef
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234 |
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235 | /* FR30 magic number - no EABI available. */
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236 | #define EM_CYGNUS_FR30 0x3330
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237 |
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238 | /* AVR magic number
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239 | Written in the absense of an ABI. */
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240 | #define EM_AVR_OLD 0x1057
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241 |
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242 | /* OpenRISC magic number
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243 | Written in the absense of an ABI. */
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244 | #define EM_OPENRISC_OLD 0x3426
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245 |
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246 | /* DLX magic number
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247 | Written in the absense of an ABI. */
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248 | #define EM_DLX 0x5aa5
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249 |
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250 | #define EM_XSTORMY16 0xad45
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251 |
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252 | /* FRV magic number - no EABI available??. */
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253 | #define EM_CYGNUS_FRV 0x5441
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254 |
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255 | /* Ubicom IP2xxx; no ABI */
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256 | #define EM_IP2K_OLD 0x8217
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257 |
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258 | /* MSP430 magic number
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259 | Written in the absense everything. */
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260 | #define EM_MSP430_OLD 0x1059
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261 |
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262 | /* Vitesse IQ2000. */
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263 | #define EM_IQ2000 0xFEBA
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264 |
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265 | /* Old, unofficial value for Xtensa. */
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266 | #define EM_XTENSA_OLD 0xabc7
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267 |
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268 | /* See the above comment before you add a new EM_* value here. */
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269 |
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270 | /* Values for e_version. */
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271 |
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272 | #define EV_NONE 0 /* Invalid ELF version */
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273 | #define EV_CURRENT 1 /* Current version */
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274 |
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275 | /* Values for program header, p_type field. */
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276 |
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277 | #define PT_NULL 0 /* Program header table entry unused */
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278 | #define PT_LOAD 1 /* Loadable program segment */
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279 | #define PT_DYNAMIC 2 /* Dynamic linking information */
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280 | #define PT_INTERP 3 /* Program interpreter */
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281 | #define PT_NOTE 4 /* Auxiliary information */
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282 | #define PT_SHLIB 5 /* Reserved, unspecified semantics */
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283 | #define PT_PHDR 6 /* Entry for header table itself */
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284 | #define PT_TLS 7 /* Thread local storage segment */
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285 | #define PT_LOOS 0x60000000 /* OS-specific */
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286 | #define PT_HIOS 0x6fffffff /* OS-specific */
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287 | #define PT_LOPROC 0x70000000 /* Processor-specific */
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288 | #define PT_HIPROC 0x7FFFFFFF /* Processor-specific */
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289 |
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290 | #define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550)
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291 |
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292 | /* Program segment permissions, in program header p_flags field. */
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293 |
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294 | #define PF_X (1 << 0) /* Segment is executable */
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295 | #define PF_W (1 << 1) /* Segment is writable */
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296 | #define PF_R (1 << 2) /* Segment is readable */
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297 | /* #define PF_MASKOS 0x0F000000 *//* OS-specific reserved bits */
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298 | #define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
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299 | #define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */
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300 |
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301 | /* Values for section header, sh_type field. */
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302 |
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303 | #define SHT_NULL 0 /* Section header table entry unused */
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304 | #define SHT_PROGBITS 1 /* Program specific (private) data */
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305 | #define SHT_SYMTAB 2 /* Link editing symbol table */
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306 | #define SHT_STRTAB 3 /* A string table */
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307 | #define SHT_RELA 4 /* Relocation entries with addends */
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308 | #define SHT_HASH 5 /* A symbol hash table */
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309 | #define SHT_DYNAMIC 6 /* Information for dynamic linking */
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310 | #define SHT_NOTE 7 /* Information that marks file */
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311 | #define SHT_NOBITS 8 /* Section occupies no space in file */
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312 | #define SHT_REL 9 /* Relocation entries, no addends */
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313 | #define SHT_SHLIB 10 /* Reserved, unspecified semantics */
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314 | #define SHT_DYNSYM 11 /* Dynamic linking symbol table */
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315 |
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316 | #define SHT_INIT_ARRAY 14 /* Array of ptrs to init functions */
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317 | #define SHT_FINI_ARRAY 15 /* Array of ptrs to finish functions */
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318 | #define SHT_PREINIT_ARRAY 16 /* Array of ptrs to pre-init funcs */
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319 | #define SHT_GROUP 17 /* Section contains a section group */
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320 | #define SHT_SYMTAB_SHNDX 18 /* Indicies for SHN_XINDEX entries */
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321 |
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322 | #define SHT_LOOS 0x60000000 /* First of OS specific semantics */
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323 | #define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */
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324 |
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325 | #define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */
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326 |
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327 | /* The next three section types are defined by Solaris, and are named
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328 | SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU*
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329 | versions. */
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330 | #define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
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331 | #define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
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332 | #define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
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333 |
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334 | #define SHT_GNU_verdef SHT_SUNW_verdef
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335 | #define SHT_GNU_verneed SHT_SUNW_verneed
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336 | #define SHT_GNU_versym SHT_SUNW_versym
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337 |
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338 | #define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */
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339 | #define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */
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340 | #define SHT_LOUSER 0x80000000 /* Application-specific semantics */
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341 | /* #define SHT_HIUSER 0x8FFFFFFF *//* Application-specific semantics */
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342 | #define SHT_HIUSER 0xFFFFFFFF /* New value, defined in Oct 4, 1999 Draft */
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343 |
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344 | /* Values for section header, sh_flags field. */
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345 |
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346 | #define SHF_WRITE (1 << 0) /* Writable data during execution */
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347 | #define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
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348 | #define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */
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349 | #define SHF_MERGE (1 << 4) /* Data in this section can be merged */
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350 | #define SHF_STRINGS (1 << 5) /* Contains null terminated character strings */
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351 | #define SHF_INFO_LINK (1 << 6) /* sh_info holds section header table index */
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352 | #define SHF_LINK_ORDER (1 << 7) /* Preserve section ordering when linking */
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353 | #define SHF_OS_NONCONFORMING (1 << 8) /* OS specific processing required */
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354 | #define SHF_GROUP (1 << 9) /* Member of a section group */
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355 | #define SHF_TLS (1 << 10) /* Thread local storage section */
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356 |
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357 | /* #define SHF_MASKOS 0x0F000000 *//* OS-specific semantics */
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358 | #define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
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359 | #define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */
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360 |
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361 | /* Values of note segment descriptor types for core files. */
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362 |
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363 | #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */
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364 | #define NT_FPREGSET 2 /* Contains copy of fpregset struct */
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365 | #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */
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366 | #define NT_TASKSTRUCT 4 /* Contains copy of task struct */
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367 | #define NT_PRXFPREG 0x46e62b7f /* Contains a user_xfpregs_struct; */
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368 | /* note name must be "LINUX". */
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369 |
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370 | /* Note segments for core files on dir-style procfs systems. */
|
---|
371 |
|
---|
372 | #define NT_PSTATUS 10 /* Has a struct pstatus */
|
---|
373 | #define NT_FPREGS 12 /* Has a struct fpregset */
|
---|
374 | #define NT_PSINFO 13 /* Has a struct psinfo */
|
---|
375 | #define NT_LWPSTATUS 16 /* Has a struct lwpstatus_t */
|
---|
376 | #define NT_LWPSINFO 17 /* Has a struct lwpsinfo_t */
|
---|
377 | #define NT_WIN32PSTATUS 18 /* Has a struct win32_pstatus */
|
---|
378 |
|
---|
379 |
|
---|
380 | /* Note segments for core files on NetBSD systems. Note name
|
---|
381 | must start with "NetBSD-CORE". */
|
---|
382 |
|
---|
383 | #define NT_NETBSDCORE_PROCINFO 1 /* Has a struct procinfo */
|
---|
384 | #define NT_NETBSDCORE_FIRSTMACH 32 /* start of machdep note types */
|
---|
385 |
|
---|
386 |
|
---|
387 | /* Values of note segment descriptor types for object files. */
|
---|
388 |
|
---|
389 | #define NT_VERSION 1 /* Contains a version string. */
|
---|
390 | #define NT_ARCH 2 /* Contains an architecture string. */
|
---|
391 |
|
---|
392 | /* Values for GNU .note.ABI-tag notes. Note name is "GNU". */
|
---|
393 |
|
---|
394 | #define NT_GNU_ABI_TAG 1
|
---|
395 | #define GNU_ABI_TAG_LINUX 0
|
---|
396 | #define GNU_ABI_TAG_HURD 1
|
---|
397 | #define GNU_ABI_TAG_SOLARIS 2
|
---|
398 |
|
---|
399 | /* Values for NetBSD .note.netbsd.ident notes. Note name is "NetBSD". */
|
---|
400 |
|
---|
401 | #define NT_NETBSD_IDENT 1
|
---|
402 |
|
---|
403 | /* Values for FreeBSD .note.ABI-tag notes. Note name is "FreeBSD". */
|
---|
404 |
|
---|
405 | #define NT_FREEBSD_ABI_TAG 1
|
---|
406 |
|
---|
407 | /* These three macros disassemble and assemble a symbol table st_info field,
|
---|
408 | which contains the symbol binding and symbol type. The STB_ and STT_
|
---|
409 | defines identify the binding and type. */
|
---|
410 |
|
---|
411 | #define ELF_ST_BIND(val) (((unsigned int)(val)) >> 4)
|
---|
412 | #define ELF_ST_TYPE(val) ((val) & 0xF)
|
---|
413 | #define ELF_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xF))
|
---|
414 |
|
---|
415 | /* The 64bit and 32bit versions of these macros are identical, but
|
---|
416 | the ELF spec defines them, so here they are. */
|
---|
417 | #define ELF32_ST_BIND ELF_ST_BIND
|
---|
418 | #define ELF32_ST_TYPE ELF_ST_TYPE
|
---|
419 | #define ELF32_ST_INFO ELF_ST_INFO
|
---|
420 | #define ELF64_ST_BIND ELF_ST_BIND
|
---|
421 | #define ELF64_ST_TYPE ELF_ST_TYPE
|
---|
422 | #define ELF64_ST_INFO ELF_ST_INFO
|
---|
423 |
|
---|
424 | /* This macro disassembles and assembles a symbol's visibility into
|
---|
425 | the st_other field. The STV_ defines specificy the actual visibility. */
|
---|
426 |
|
---|
427 | #define ELF_ST_VISIBILITY(v) ((v) & 0x3)
|
---|
428 | /* The remaining bits in the st_other field are not currently used.
|
---|
429 | They should be set to zero. */
|
---|
430 |
|
---|
431 | #define ELF32_ST_VISIBILITY ELF_ST_VISIBILITY
|
---|
432 | #define ELF64_ST_VISIBILITY ELF_ST_VISIBILITY
|
---|
433 |
|
---|
434 |
|
---|
435 | #define STN_UNDEF 0 /* Undefined symbol index */
|
---|
436 |
|
---|
437 | #define STB_LOCAL 0 /* Symbol not visible outside obj */
|
---|
438 | #define STB_GLOBAL 1 /* Symbol visible outside obj */
|
---|
439 | #define STB_WEAK 2 /* Like globals, lower precedence */
|
---|
440 | #define STB_LOOS 10 /* OS-specific semantics */
|
---|
441 | #define STB_HIOS 12 /* OS-specific semantics */
|
---|
442 | #define STB_LOPROC 13 /* Application-specific semantics */
|
---|
443 | #define STB_HIPROC 15 /* Application-specific semantics */
|
---|
444 |
|
---|
445 | #define STT_NOTYPE 0 /* Symbol type is unspecified */
|
---|
446 | #define STT_OBJECT 1 /* Symbol is a data object */
|
---|
447 | #define STT_FUNC 2 /* Symbol is a code object */
|
---|
448 | #define STT_SECTION 3 /* Symbol associated with a section */
|
---|
449 | #define STT_FILE 4 /* Symbol gives a file name */
|
---|
450 | #define STT_COMMON 5 /* An uninitialised common block */
|
---|
451 | #define STT_TLS 6 /* Thread local data object */
|
---|
452 | #define STT_LOOS 10 /* OS-specific semantics */
|
---|
453 | #define STT_HIOS 12 /* OS-specific semantics */
|
---|
454 | #define STT_LOPROC 13 /* Application-specific semantics */
|
---|
455 | #define STT_HIPROC 15 /* Application-specific semantics */
|
---|
456 |
|
---|
457 | /* Special section indices, which may show up in st_shndx fields, among
|
---|
458 | other places. */
|
---|
459 |
|
---|
460 | #define SHN_UNDEF 0 /* Undefined section reference */
|
---|
461 | #define SHN_LORESERVE 0xFF00 /* Begin range of reserved indices */
|
---|
462 | #define SHN_LOPROC 0xFF00 /* Begin range of appl-specific */
|
---|
463 | #define SHN_HIPROC 0xFF1F /* End range of appl-specific */
|
---|
464 | #define SHN_LOOS 0xFF20 /* OS specific semantics, lo */
|
---|
465 | #define SHN_HIOS 0xFF3F /* OS specific semantics, hi */
|
---|
466 | #define SHN_ABS 0xFFF1 /* Associated symbol is absolute */
|
---|
467 | #define SHN_COMMON 0xFFF2 /* Associated symbol is in common */
|
---|
468 | #define SHN_XINDEX 0xFFFF /* Section index is held elsewhere */
|
---|
469 | #define SHN_HIRESERVE 0xFFFF /* End range of reserved indices */
|
---|
470 | #define SHN_BAD ((unsigned) -1) /* Used internally by bfd */
|
---|
471 |
|
---|
472 | /* The following constants control how a symbol may be accessed once it has
|
---|
473 | become part of an executable or shared library. */
|
---|
474 |
|
---|
475 | #define STV_DEFAULT 0 /* Visibility is specified by binding type */
|
---|
476 | #define STV_INTERNAL 1 /* OS specific version of STV_HIDDEN */
|
---|
477 | #define STV_HIDDEN 2 /* Can only be seen inside currect component */
|
---|
478 | #define STV_PROTECTED 3 /* Treat as STB_LOCAL inside current component */
|
---|
479 |
|
---|
480 | /* Relocation info handling macros. */
|
---|
481 |
|
---|
482 | #define ELF32_R_SYM(i) ((i) >> 8)
|
---|
483 | #define ELF32_R_TYPE(i) ((i) & 0xff)
|
---|
484 | #define ELF32_R_INFO(s,t) (((s) << 8) + ((t) & 0xff))
|
---|
485 |
|
---|
486 | #define ELF64_R_SYM(i) ((i) >> 32)
|
---|
487 | #define ELF64_R_TYPE(i) ((i) & 0xffffffff)
|
---|
488 | #define ELF64_R_INFO(s,t) (((bfd_vma) (s) << 32) + (bfd_vma) (t))
|
---|
489 |
|
---|
490 | /* Dynamic section tags. */
|
---|
491 |
|
---|
492 | #define DT_NULL 0
|
---|
493 | #define DT_NEEDED 1
|
---|
494 | #define DT_PLTRELSZ 2
|
---|
495 | #define DT_PLTGOT 3
|
---|
496 | #define DT_HASH 4
|
---|
497 | #define DT_STRTAB 5
|
---|
498 | #define DT_SYMTAB 6
|
---|
499 | #define DT_RELA 7
|
---|
500 | #define DT_RELASZ 8
|
---|
501 | #define DT_RELAENT 9
|
---|
502 | #define DT_STRSZ 10
|
---|
503 | #define DT_SYMENT 11
|
---|
504 | #define DT_INIT 12
|
---|
505 | #define DT_FINI 13
|
---|
506 | #define DT_SONAME 14
|
---|
507 | #define DT_RPATH 15
|
---|
508 | #define DT_SYMBOLIC 16
|
---|
509 | #define DT_REL 17
|
---|
510 | #define DT_RELSZ 18
|
---|
511 | #define DT_RELENT 19
|
---|
512 | #define DT_PLTREL 20
|
---|
513 | #define DT_DEBUG 21
|
---|
514 | #define DT_TEXTREL 22
|
---|
515 | #define DT_JMPREL 23
|
---|
516 | #define DT_BIND_NOW 24
|
---|
517 | #define DT_INIT_ARRAY 25
|
---|
518 | #define DT_FINI_ARRAY 26
|
---|
519 | #define DT_INIT_ARRAYSZ 27
|
---|
520 | #define DT_FINI_ARRAYSZ 28
|
---|
521 | #define DT_RUNPATH 29
|
---|
522 | #define DT_FLAGS 30
|
---|
523 | #define DT_ENCODING 31
|
---|
524 | #define DT_PREINIT_ARRAY 32
|
---|
525 | #define DT_PREINIT_ARRAYSZ 33
|
---|
526 |
|
---|
527 | /* Note, the Oct 4, 1999 draft of the ELF ABI changed the values
|
---|
528 | for DT_LOOS and DT_HIOS. Some implementations however, use
|
---|
529 | values outside of the new range (see below). */
|
---|
530 | #define OLD_DT_LOOS 0x60000000
|
---|
531 | #define DT_LOOS 0x6000000d
|
---|
532 | #define DT_HIOS 0x6fff0000
|
---|
533 | #define OLD_DT_HIOS 0x6fffffff
|
---|
534 |
|
---|
535 | #define DT_LOPROC 0x70000000
|
---|
536 | #define DT_HIPROC 0x7fffffff
|
---|
537 |
|
---|
538 | /* The next four dynamic tags are used on Solaris. We support them
|
---|
539 | everywhere. Note these values lie outside of the (new) range for
|
---|
540 | OS specific values. This is a deliberate special case and we
|
---|
541 | maintain it for backwards compatability. */
|
---|
542 | #define DT_VALRNGLO 0x6ffffd00
|
---|
543 | #define DT_GNU_PRELINKED 0x6ffffdf5
|
---|
544 | #define DT_GNU_CONFLICTSZ 0x6ffffdf6
|
---|
545 | #define DT_GNU_LIBLISTSZ 0x6ffffdf7
|
---|
546 | #define DT_CHECKSUM 0x6ffffdf8
|
---|
547 | #define DT_PLTPADSZ 0x6ffffdf9
|
---|
548 | #define DT_MOVEENT 0x6ffffdfa
|
---|
549 | #define DT_MOVESZ 0x6ffffdfb
|
---|
550 | #define DT_FEATURE 0x6ffffdfc
|
---|
551 | #define DT_POSFLAG_1 0x6ffffdfd
|
---|
552 | #define DT_SYMINSZ 0x6ffffdfe
|
---|
553 | #define DT_SYMINENT 0x6ffffdff
|
---|
554 | #define DT_VALRNGHI 0x6ffffdff
|
---|
555 |
|
---|
556 | #define DT_ADDRRNGLO 0x6ffffe00
|
---|
557 | #define DT_GNU_CONFLICT 0x6ffffef8
|
---|
558 | #define DT_GNU_LIBLIST 0x6ffffef9
|
---|
559 | #define DT_CONFIG 0x6ffffefa
|
---|
560 | #define DT_DEPAUDIT 0x6ffffefb
|
---|
561 | #define DT_AUDIT 0x6ffffefc
|
---|
562 | #define DT_PLTPAD 0x6ffffefd
|
---|
563 | #define DT_MOVETAB 0x6ffffefe
|
---|
564 | #define DT_SYMINFO 0x6ffffeff
|
---|
565 | #define DT_ADDRRNGHI 0x6ffffeff
|
---|
566 |
|
---|
567 | #define DT_RELACOUNT 0x6ffffff9
|
---|
568 | #define DT_RELCOUNT 0x6ffffffa
|
---|
569 | #define DT_FLAGS_1 0x6ffffffb
|
---|
570 | #define DT_VERDEF 0x6ffffffc
|
---|
571 | #define DT_VERDEFNUM 0x6ffffffd
|
---|
572 | #define DT_VERNEED 0x6ffffffe
|
---|
573 | #define DT_VERNEEDNUM 0x6fffffff
|
---|
574 |
|
---|
575 | /* This tag is a GNU extension to the Solaris version scheme. */
|
---|
576 | #define DT_VERSYM 0x6ffffff0
|
---|
577 |
|
---|
578 | #define DT_LOPROC 0x70000000
|
---|
579 | #define DT_HIPROC 0x7fffffff
|
---|
580 |
|
---|
581 | /* These section tags are used on Solaris. We support them
|
---|
582 | everywhere, and hope they do not conflict. */
|
---|
583 |
|
---|
584 | #define DT_AUXILIARY 0x7ffffffd
|
---|
585 | #define DT_USED 0x7ffffffe
|
---|
586 | #define DT_FILTER 0x7fffffff
|
---|
587 |
|
---|
588 |
|
---|
589 | /* Values used in DT_FEATURE .dynamic entry. */
|
---|
590 | #define DTF_1_PARINIT 0x00000001
|
---|
591 | /* From
|
---|
592 |
|
---|
593 | http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1
|
---|
594 |
|
---|
595 | DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value
|
---|
596 | defined here is the same as the one in <sys/link.h> on Solaris 8. */
|
---|
597 | #define DTF_1_CONFEXP 0x00000002
|
---|
598 |
|
---|
599 | /* Flag values used in the DT_POSFLAG_1 .dynamic entry. */
|
---|
600 | #define DF_P1_LAZYLOAD 0x00000001
|
---|
601 | #define DF_P1_GROUPPERM 0x00000002
|
---|
602 |
|
---|
603 | /* Flag value in in the DT_FLAGS_1 .dynamic entry. */
|
---|
604 | #define DF_1_NOW 0x00000001
|
---|
605 | #define DF_1_GLOBAL 0x00000002
|
---|
606 | #define DF_1_GROUP 0x00000004
|
---|
607 | #define DF_1_NODELETE 0x00000008
|
---|
608 | #define DF_1_LOADFLTR 0x00000010
|
---|
609 | #define DF_1_INITFIRST 0x00000020
|
---|
610 | #define DF_1_NOOPEN 0x00000040
|
---|
611 | #define DF_1_ORIGIN 0x00000080
|
---|
612 | #define DF_1_DIRECT 0x00000100
|
---|
613 | #define DF_1_TRANS 0x00000200
|
---|
614 | #define DF_1_INTERPOSE 0x00000400
|
---|
615 | #define DF_1_NODEFLIB 0x00000800
|
---|
616 | #define DF_1_NODUMP 0x00001000
|
---|
617 | #define DF_1_CONLFAT 0x00002000
|
---|
618 |
|
---|
619 | /* Flag values for the DT_FLAGS entry. */
|
---|
620 | #define DF_ORIGIN (1 << 0)
|
---|
621 | #define DF_SYMBOLIC (1 << 1)
|
---|
622 | #define DF_TEXTREL (1 << 2)
|
---|
623 | #define DF_BIND_NOW (1 << 3)
|
---|
624 | #define DF_STATIC_TLS (1 << 4)
|
---|
625 |
|
---|
626 | /* These constants are used for the version number of a Elf32_Verdef
|
---|
627 | structure. */
|
---|
628 |
|
---|
629 | #define VER_DEF_NONE 0
|
---|
630 | #define VER_DEF_CURRENT 1
|
---|
631 |
|
---|
632 | /* These constants appear in the vd_flags field of a Elf32_Verdef
|
---|
633 | structure. */
|
---|
634 |
|
---|
635 | #define VER_FLG_BASE 0x1
|
---|
636 | #define VER_FLG_WEAK 0x2
|
---|
637 |
|
---|
638 | /* These special constants can be found in an Elf32_Versym field. */
|
---|
639 |
|
---|
640 | #define VER_NDX_LOCAL 0
|
---|
641 | #define VER_NDX_GLOBAL 1
|
---|
642 |
|
---|
643 | /* These constants are used for the version number of a Elf32_Verneed
|
---|
644 | structure. */
|
---|
645 |
|
---|
646 | #define VER_NEED_NONE 0
|
---|
647 | #define VER_NEED_CURRENT 1
|
---|
648 |
|
---|
649 | /* This flag appears in a Versym structure. It means that the symbol
|
---|
650 | is hidden, and is only visible with an explicit version number.
|
---|
651 | This is a GNU extension. */
|
---|
652 |
|
---|
653 | #define VERSYM_HIDDEN 0x8000
|
---|
654 |
|
---|
655 | /* This is the mask for the rest of the Versym information. */
|
---|
656 |
|
---|
657 | #define VERSYM_VERSION 0x7fff
|
---|
658 |
|
---|
659 | /* This is a special token which appears as part of a symbol name. It
|
---|
660 | indictes that the rest of the name is actually the name of a
|
---|
661 | version node, and is not part of the actual name. This is a GNU
|
---|
662 | extension. For example, the symbol name `stat@ver2' is taken to
|
---|
663 | mean the symbol `stat' in version `ver2'. */
|
---|
664 |
|
---|
665 | #define ELF_VER_CHR '@'
|
---|
666 |
|
---|
667 | /* Possible values for si_boundto. */
|
---|
668 |
|
---|
669 | #define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */
|
---|
670 | #define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */
|
---|
671 | #define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */
|
---|
672 |
|
---|
673 | /* Possible bitmasks for si_flags. */
|
---|
674 |
|
---|
675 | #define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */
|
---|
676 | #define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */
|
---|
677 | #define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */
|
---|
678 | #define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded */
|
---|
679 |
|
---|
680 | /* Syminfo version values. */
|
---|
681 |
|
---|
682 | #define SYMINFO_NONE 0
|
---|
683 | #define SYMINFO_CURRENT 1
|
---|
684 | #define SYMINFO_NUM 2
|
---|
685 |
|
---|
686 | /* Section Group Flags. */
|
---|
687 |
|
---|
688 | #define GRP_COMDAT 0x1 /* A COMDAT group */
|
---|
689 |
|
---|
690 | #endif /* _ELF_COMMON_H */
|
---|