1 | /*- |
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2 | * Copyright (c) 2008 Joseph Koshy |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * 1. Redistributions of source code must retain the above copyright |
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9 | * notice, this list of conditions and the following disclaimer. |
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10 | * 2. Redistributions in binary form must reproduce the above copyright |
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11 | * notice, this list of conditions and the following disclaimer in the |
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12 | * documentation and/or other materials provided with the distribution. |
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13 | * |
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14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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24 | * SUCH DAMAGE. |
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25 | */ |
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26 | |
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27 | #ifdef __FreeBSD__ |
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28 | |
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29 | #define LIBELF_VCSID(ID) __FBSDID(ID) |
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30 | |
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31 | /* |
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32 | * Define LIBELF_{ARCH,BYTEORDER,CLASS} based on the machine architecture. |
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33 | * See also: <machine/elf.h>. |
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34 | */ |
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35 | |
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36 | #if defined(__amd64__) |
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37 | |
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38 | #define LIBELF_ARCH EM_X86_64 |
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39 | #define LIBELF_BYTEORDER ELFDATA2LSB |
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40 | #define LIBELF_CLASS ELFCLASS64 |
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41 | |
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42 | #elif defined(__arm__) |
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43 | |
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44 | #define LIBELF_ARCH EM_ARM |
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45 | #if defined(__ARMEB__) /* Big-endian ARM. */ |
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46 | #define LIBELF_BYTEORDER ELFDATA2MSB |
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47 | #else |
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48 | #define LIBELF_BYTEORDER ELFDATA2LSB |
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49 | #endif |
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50 | #define LIBELF_CLASS ELFCLASS32 |
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51 | |
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52 | #elif defined(__i386__) |
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53 | |
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54 | #define LIBELF_ARCH EM_386 |
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55 | #define LIBELF_BYTEORDER ELFDATA2LSB |
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56 | #define LIBELF_CLASS ELFCLASS32 |
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57 | |
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58 | #elif defined(__ia64__) |
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59 | |
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60 | #define LIBELF_ARCH EM_IA_64 |
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61 | #define LIBELF_BYTEORDER ELFDATA2LSB |
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62 | #define LIBELF_CLASS ELFCLASS64 |
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63 | |
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64 | #elif defined(__mips__) |
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65 | |
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66 | #define LIBELF_ARCH EM_MIPS |
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67 | #if defined(__MIPSEB__) |
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68 | #define LIBELF_BYTEORDER ELFDATA2MSB |
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69 | #else |
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70 | #define LIBELF_BYTEORDER ELFDATA2LSB |
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71 | #endif |
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72 | #define LIBELF_CLASS ELFCLASS32 |
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73 | |
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74 | #elif defined(__powerpc__) |
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75 | |
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76 | #define LIBELF_ARCH EM_PPC |
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77 | #define LIBELF_BYTEORDER ELFDATA2MSB |
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78 | #define LIBELF_CLASS ELFCLASS32 |
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79 | |
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80 | #elif defined(__sparc__) |
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81 | |
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82 | #define LIBELF_ARCH EM_SPARCV9 |
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83 | #define LIBELF_BYTEORDER ELFDATA2MSB |
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84 | #define LIBELF_CLASS ELFCLASS64 |
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85 | |
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86 | #else |
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87 | #error Unknown FreeBSD architecture. |
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88 | #endif |
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89 | #endif /* __FreeBSD__ */ |
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90 | |
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91 | |
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92 | #ifdef __NetBSD__ |
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93 | |
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94 | #include <machine/elf_machdep.h> |
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95 | |
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96 | #define LIBELF_VCSID(ID) __RCSID(ID) |
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97 | |
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98 | #if !defined(ARCH_ELFSIZE) |
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99 | #error ARCH_ELFSIZE is not defined. |
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100 | #endif |
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101 | |
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102 | #if ARCH_ELFSIZE == 32 |
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103 | #define LIBELF_ARCH ELF32_MACHDEP_ID |
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104 | #define LIBELF_BYTEORDER ELF32_MACHDEP_ENDIANNESS |
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105 | #define LIBELF_CLASS ELFCLASS32 |
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106 | #define Elf_Note Elf32_Nhdr |
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107 | #else |
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108 | #define LIBELF_ARCH ELF64_MACHDEP_ID |
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109 | #define LIBELF_BYTEORDER ELF64_MACHDEP_ENDIANNESS |
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110 | #define LIBELF_CLASS ELFCLASS64 |
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111 | #define Elf_Note Elf64_Nhdr |
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112 | #endif |
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113 | |
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114 | #endif /* __NetBSD__ */ |
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115 | |
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116 | /* |
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117 | * GNU & Linux compatibility. |
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118 | * |
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119 | * `__linux__' is defined in an environment runs the Linux kernel and glibc. |
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120 | * `__GNU__' is defined in an environment runs a GNU kernel (Hurd) and glibc. |
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121 | * `__GLIBC__' is defined for an environment that runs glibc over a non-GNU |
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122 | * kernel such as GNU/kFreeBSD. |
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123 | */ |
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124 | |
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125 | #if defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) |
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126 | |
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127 | #if defined(__linux__) |
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128 | |
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129 | #include "native-elf-format.h" |
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130 | |
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131 | #define LIBELF_CLASS ELFTC_CLASS |
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132 | #define LIBELF_ARCH ELFTC_ARCH |
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133 | #define LIBELF_BYTEORDER ELFTC_BYTEORDER |
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134 | |
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135 | #endif /* defined(__linux__) */ |
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136 | |
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137 | #define LIBELF_VCSID(ID) |
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138 | |
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139 | #if LIBELF_CLASS == ELFCLASS32 |
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140 | #define Elf_Note Elf32_Nhdr |
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141 | #elif LIBELF_CLASS == ELFCLASS64 |
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142 | #define Elf_Note Elf64_Nhdr |
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143 | #else |
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144 | #error LIBELF_CLASS needs to be one of ELFCLASS32 or ELFCLASS64 |
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145 | #endif |
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146 | |
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147 | #define roundup2 roundup |
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148 | |
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149 | #endif /* defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) */ |
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