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 3168 2015-02-24 19:17:47Z 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(__powerpc__) 95 96 #define LIBELF_ARCH EM_PPC 97 #define LIBELF_BYTEORDER ELFDATA2MSB 98 #define LIBELF_CLASS ELFCLASS32 99 100 #elif defined(__sparc__) 101 102 #define LIBELF_ARCH EM_SPARCV9 103 #define LIBELF_BYTEORDER ELFDATA2MSB 104 #define LIBELF_CLASS ELFCLASS64 105 106 #else 107 #error Unknown FreeBSD architecture. 108 #endif 109 #endif /* __FreeBSD__ */ 110 111 /* 112 * Definitions for Minix3. 113 */ 114 #ifdef __minix 115 116 #define LIBELF_ARCH EM_386 117 #define LIBELF_BYTEORDER ELFDATA2LSB 118 #define LIBELF_CLASS ELFCLASS32 119 120 #endif /* __minix */ 121 122 #ifdef __NetBSD__ 123 124 #include <machine/elf_machdep.h> 125 126 #if !defined(ARCH_ELFSIZE) 127 #error ARCH_ELFSIZE is not defined. 128 #endif 129 130 #if ARCH_ELFSIZE == 32 131 #define LIBELF_ARCH ELF32_MACHDEP_ID 132 #define LIBELF_BYTEORDER ELF32_MACHDEP_ENDIANNESS 133 #define LIBELF_CLASS ELFCLASS32 134 #define Elf_Note Elf32_Nhdr 135 #else 136 #define LIBELF_ARCH ELF64_MACHDEP_ID 137 #define LIBELF_BYTEORDER ELF64_MACHDEP_ENDIANNESS 138 #define LIBELF_CLASS ELFCLASS64 139 #define Elf_Note Elf64_Nhdr 140 #endif 141 142 #endif /* __NetBSD__ */ 143 144 #if defined(__OpenBSD__) 145 146 #include <machine/exec.h> 147 148 #define LIBELF_ARCH ELF_TARG_MACH 149 #define LIBELF_BYTEORDER ELF_TARG_DATA 150 #define LIBELF_CLASS ELF_TARG_CLASS 151 152 #endif 153 154 /* 155 * GNU & Linux compatibility. 156 * 157 * `__linux__' is defined in an environment runs the Linux kernel and glibc. 158 * `__GNU__' is defined in an environment runs a GNU kernel (Hurd) and glibc. 159 * `__GLIBC__' is defined for an environment that runs glibc over a non-GNU 160 * kernel such as GNU/kFreeBSD. 161 */ 162 163 #if defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) 164 165 #if defined(__linux__) 166 167 #include "native-elf-format.h" 168 169 #define LIBELF_CLASS ELFTC_CLASS 170 #define LIBELF_ARCH ELFTC_ARCH 171 #define LIBELF_BYTEORDER ELFTC_BYTEORDER 172 173 #endif /* defined(__linux__) */ 174 175 #if LIBELF_CLASS == ELFCLASS32 176 #define Elf_Note Elf32_Nhdr 177 #elif LIBELF_CLASS == ELFCLASS64 178 #define Elf_Note Elf64_Nhdr 179 #else 180 #error LIBELF_CLASS needs to be one of ELFCLASS32 or ELFCLASS64 181 #endif 182 183 #endif /* defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) */ 184