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 2287 2011-12-04 06:45:47Z jkoshy $ 27 */ 28 29 #ifdef __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(__arm__) 57 58 #define LIBELF_ARCH EM_ARM 59 #if defined(__ARMEB__) /* Big-endian ARM. */ 60 #define LIBELF_BYTEORDER ELFDATA2MSB 61 #else 62 #define LIBELF_BYTEORDER ELFDATA2LSB 63 #endif 64 #define LIBELF_CLASS ELFCLASS32 65 66 #elif defined(__i386__) 67 68 #define LIBELF_ARCH EM_386 69 #define LIBELF_BYTEORDER ELFDATA2LSB 70 #define LIBELF_CLASS ELFCLASS32 71 72 #elif defined(__ia64__) 73 74 #define LIBELF_ARCH EM_IA_64 75 #define LIBELF_BYTEORDER ELFDATA2LSB 76 #define LIBELF_CLASS ELFCLASS64 77 78 #elif defined(__mips__) 79 80 #define LIBELF_ARCH EM_MIPS 81 #if defined(__MIPSEB__) 82 #define LIBELF_BYTEORDER ELFDATA2MSB 83 #else 84 #define LIBELF_BYTEORDER ELFDATA2LSB 85 #endif 86 #define LIBELF_CLASS ELFCLASS32 87 88 #elif defined(__powerpc__) 89 90 #define LIBELF_ARCH EM_PPC 91 #define LIBELF_BYTEORDER ELFDATA2MSB 92 #define LIBELF_CLASS ELFCLASS32 93 94 #elif defined(__sparc__) 95 96 #define LIBELF_ARCH EM_SPARCV9 97 #define LIBELF_BYTEORDER ELFDATA2MSB 98 #define LIBELF_CLASS ELFCLASS64 99 100 #else 101 #error Unknown FreeBSD architecture. 102 #endif 103 #endif /* __FreeBSD__ */ 104 105 /* 106 * Definitions for Minix3. 107 */ 108 #ifdef __minix 109 110 #define LIBELF_ARCH EM_386 111 #define LIBELF_BYTEORDER ELFDATA2LSB 112 #define LIBELF_CLASS ELFCLASS32 113 114 #endif /* __minix */ 115 116 #ifdef __NetBSD__ 117 118 #include <machine/elf_machdep.h> 119 120 #if !defined(ARCH_ELFSIZE) 121 #error ARCH_ELFSIZE is not defined. 122 #endif 123 124 #if ARCH_ELFSIZE == 32 125 #define LIBELF_ARCH ELF32_MACHDEP_ID 126 #define LIBELF_BYTEORDER ELF32_MACHDEP_ENDIANNESS 127 #define LIBELF_CLASS ELFCLASS32 128 #define Elf_Note Elf32_Nhdr 129 #else 130 #define LIBELF_ARCH ELF64_MACHDEP_ID 131 #define LIBELF_BYTEORDER ELF64_MACHDEP_ENDIANNESS 132 #define LIBELF_CLASS ELFCLASS64 133 #define Elf_Note Elf64_Nhdr 134 #endif 135 136 #endif /* __NetBSD__ */ 137 138 #if defined(__OpenBSD__) 139 140 #include <machine/exec.h> 141 142 #define LIBELF_ARCH ELF_TARG_MACH 143 #define LIBELF_BYTEORDER ELF_TARG_DATA 144 #define LIBELF_CLASS ELF_TARG_CLASS 145 146 #endif 147 148 /* 149 * GNU & Linux compatibility. 150 * 151 * `__linux__' is defined in an environment runs the Linux kernel and glibc. 152 * `__GNU__' is defined in an environment runs a GNU kernel (Hurd) and glibc. 153 * `__GLIBC__' is defined for an environment that runs glibc over a non-GNU 154 * kernel such as GNU/kFreeBSD. 155 */ 156 157 #if defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) 158 159 #if defined(__linux__) 160 161 #include "native-elf-format.h" 162 163 #define LIBELF_CLASS ELFTC_CLASS 164 #define LIBELF_ARCH ELFTC_ARCH 165 #define LIBELF_BYTEORDER ELFTC_BYTEORDER 166 167 #endif /* defined(__linux__) */ 168 169 #if LIBELF_CLASS == ELFCLASS32 170 #define Elf_Note Elf32_Nhdr 171 #elif LIBELF_CLASS == ELFCLASS64 172 #define Elf_Note Elf64_Nhdr 173 #else 174 #error LIBELF_CLASS needs to be one of ELFCLASS32 or ELFCLASS64 175 #endif 176 177 #endif /* defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) */ 178