1 /*- 2 * Copyright (c) 2008-2011 Joseph Koshy 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $Id: _libelf_config.h 3764 2019-06-28 21:44:46Z emaste $ 27 */ 28 29 #if defined(__APPLE__) || defined(__DragonFly__) 30 31 #if defined(__amd64__) 32 #define LIBELF_ARCH EM_X86_64 33 #define LIBELF_BYTEORDER ELFDATA2LSB 34 #define LIBELF_CLASS ELFCLASS64 35 #elif defined(__i386__) 36 #define LIBELF_ARCH EM_386 37 #define LIBELF_BYTEORDER ELFDATA2LSB 38 #define LIBELF_CLASS ELFCLASS32 39 #endif 40 41 #endif /* __DragonFly__ */ 42 43 #ifdef __FreeBSD__ 44 45 /* 46 * Define LIBELF_{ARCH,BYTEORDER,CLASS} based on the machine architecture. 47 * See also: <machine/elf.h>. 48 */ 49 50 #if defined(__amd64__) 51 52 #define LIBELF_ARCH EM_X86_64 53 #define LIBELF_BYTEORDER ELFDATA2LSB 54 #define LIBELF_CLASS ELFCLASS64 55 56 #elif defined(__aarch64__) 57 58 #define LIBELF_ARCH EM_AARCH64 59 #define LIBELF_BYTEORDER ELFDATA2LSB 60 #define LIBELF_CLASS ELFCLASS64 61 62 #elif defined(__arm__) 63 64 #define LIBELF_ARCH EM_ARM 65 #if defined(__ARMEB__) /* Big-endian ARM. */ 66 #define LIBELF_BYTEORDER ELFDATA2MSB 67 #else 68 #define LIBELF_BYTEORDER ELFDATA2LSB 69 #endif 70 #define LIBELF_CLASS ELFCLASS32 71 72 #elif defined(__i386__) 73 74 #define LIBELF_ARCH EM_386 75 #define LIBELF_BYTEORDER ELFDATA2LSB 76 #define LIBELF_CLASS ELFCLASS32 77 78 #elif defined(__ia64__) 79 80 #define LIBELF_ARCH EM_IA_64 81 #define LIBELF_BYTEORDER ELFDATA2LSB 82 #define LIBELF_CLASS ELFCLASS64 83 84 #elif defined(__mips__) 85 86 #define LIBELF_ARCH EM_MIPS 87 #if defined(__MIPSEB__) 88 #define LIBELF_BYTEORDER ELFDATA2MSB 89 #else 90 #define LIBELF_BYTEORDER ELFDATA2LSB 91 #endif 92 #define LIBELF_CLASS ELFCLASS32 93 94 #elif defined(__powerpc64__) 95 96 #define LIBELF_ARCH EM_PPC64 97 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 98 #define LIBELF_BYTEORDER ELFDATA2LSB 99 #else 100 #define LIBELF_BYTEORDER ELFDATA2MSB 101 #endif 102 #define LIBELF_CLASS ELFCLASS64 103 104 #elif defined(__powerpc__) 105 106 #define LIBELF_ARCH EM_PPC 107 #define LIBELF_BYTEORDER ELFDATA2MSB 108 #define LIBELF_CLASS ELFCLASS32 109 110 #elif defined(__riscv) && (__riscv_xlen == 64) 111 112 #define LIBELF_ARCH EM_RISCV 113 #define LIBELF_BYTEORDER ELFDATA2LSB 114 #define LIBELF_CLASS ELFCLASS64 115 116 #elif defined(__riscv64) 117 118 #define LIBELF_ARCH EM_RISCV 119 #define LIBELF_BYTEORDER ELFDATA2LSB 120 #define LIBELF_CLASS ELFCLASS64 121 122 #elif defined(__sparc__) 123 124 #define LIBELF_ARCH EM_SPARCV9 125 #define LIBELF_BYTEORDER ELFDATA2MSB 126 #define LIBELF_CLASS ELFCLASS64 127 128 #else 129 #error Unknown FreeBSD architecture. 130 #endif 131 #endif /* __FreeBSD__ */ 132 133 /* 134 * Definitions for Minix3. 135 */ 136 #ifdef __minix 137 138 #define LIBELF_ARCH EM_386 139 #define LIBELF_BYTEORDER ELFDATA2LSB 140 #define LIBELF_CLASS ELFCLASS32 141 142 #endif /* __minix */ 143 144 #ifdef __NetBSD__ 145 146 #include <machine/elf_machdep.h> 147 148 #if !defined(ARCH_ELFSIZE) 149 #error ARCH_ELFSIZE is not defined. 150 #endif 151 152 #if ARCH_ELFSIZE == 32 153 #define LIBELF_ARCH ELF32_MACHDEP_ID 154 #define LIBELF_BYTEORDER ELF32_MACHDEP_ENDIANNESS 155 #define LIBELF_CLASS ELFCLASS32 156 #define Elf_Note Elf32_Nhdr 157 #else 158 #define LIBELF_ARCH ELF64_MACHDEP_ID 159 #define LIBELF_BYTEORDER ELF64_MACHDEP_ENDIANNESS 160 #define LIBELF_CLASS ELFCLASS64 161 #define Elf_Note Elf64_Nhdr 162 #endif 163 164 #endif /* __NetBSD__ */ 165 166 #if defined(__OpenBSD__) 167 168 #include <machine/exec.h> 169 170 #define LIBELF_ARCH ELF_TARG_MACH 171 #define LIBELF_BYTEORDER ELF_TARG_DATA 172 #define LIBELF_CLASS ELF_TARG_CLASS 173 174 #endif 175 176 /* 177 * GNU & Linux compatibility. 178 * 179 * `__linux__' is defined in an environment runs the Linux kernel and glibc. 180 * `__GNU__' is defined in an environment runs a GNU kernel (Hurd) and glibc. 181 * `__GLIBC__' is defined for an environment that runs glibc over a non-GNU 182 * kernel such as GNU/kFreeBSD. 183 */ 184 185 #if defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) 186 187 #if defined(__linux__) 188 189 #include "native-elf-format.h" 190 191 #define LIBELF_CLASS ELFTC_CLASS 192 #define LIBELF_ARCH ELFTC_ARCH 193 #define LIBELF_BYTEORDER ELFTC_BYTEORDER 194 195 #endif /* defined(__linux__) */ 196 197 #if LIBELF_CLASS == ELFCLASS32 198 #define Elf_Note Elf32_Nhdr 199 #elif LIBELF_CLASS == ELFCLASS64 200 #define Elf_Note Elf64_Nhdr 201 #else 202 #error LIBELF_CLASS needs to be one of ELFCLASS32 or ELFCLASS64 203 #endif 204 205 #endif /* defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) */ 206