lib/libelf/_libelf_config.h

   1 /*-
   2  * Copyright (c) 2008 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
  27 #ifdef __FreeBSD__
  28
  29 #define LIBELF_VCSID(ID)        __FBSDID(ID)
  30
  31 /*
  32  * Define LIBELF_{ARCH,BYTEORDER,CLASS} based on the machine architecture.
  33  * See also: <machine/elf.h>.
  34  */
  35
  36 #if     defined(__amd64__)
  37
  38 #define LIBELF_ARCH             EM_X86_64
  39 #define LIBELF_BYTEORDER        ELFDATA2LSB
  40 #define LIBELF_CLASS            ELFCLASS64
  41
  42 #elif   defined(__arm__)
  43
  44 #define LIBELF_ARCH             EM_ARM
  45 #if     defined(__ARMEB__)      /* Big-endian ARM. */
  46 #define LIBELF_BYTEORDER        ELFDATA2MSB
  47 #else
  48 #define LIBELF_BYTEORDER        ELFDATA2LSB
  49 #endif
  50 #define LIBELF_CLASS            ELFCLASS32
  51
  52 #elif   defined(__i386__)
  53
  54 #define LIBELF_ARCH             EM_386
  55 #define LIBELF_BYTEORDER        ELFDATA2LSB
  56 #define LIBELF_CLASS            ELFCLASS32
  57
  58 #elif   defined(__ia64__)
  59
  60 #define LIBELF_ARCH             EM_IA_64
  61 #define LIBELF_BYTEORDER        ELFDATA2LSB
  62 #define LIBELF_CLASS            ELFCLASS64
  63
  64 #elif   defined(__mips__)
  65
  66 #define LIBELF_ARCH             EM_MIPS
  67 #if     defined(__MIPSEB__)
  68 #define LIBELF_BYTEORDER        ELFDATA2MSB
  69 #else
  70 #define LIBELF_BYTEORDER        ELFDATA2LSB
  71 #endif
  72 #define LIBELF_CLASS            ELFCLASS32
  73
  74 #elif   defined(__powerpc__)
  75
  76 #define LIBELF_ARCH             EM_PPC
  77 #define LIBELF_BYTEORDER        ELFDATA2MSB
  78 #define LIBELF_CLASS            ELFCLASS32
  79
  80 #elif   defined(__sparc__)
  81
  82 #define LIBELF_ARCH             EM_SPARCV9
  83 #define LIBELF_BYTEORDER        ELFDATA2MSB
  84 #define LIBELF_CLASS            ELFCLASS64
  85
  86 #else
  87 #error  Unknown FreeBSD architecture.
  88 #endif
  89 #endif  /* __FreeBSD__ */
  90
  91
  92 #ifdef __NetBSD__
  93
  94 #include <machine/elf_machdep.h>
  95
  96 #define LIBELF_VCSID(ID)        __RCSID(ID)
  97
  98 #if     !defined(ARCH_ELFSIZE)
  99 #error  ARCH_ELFSIZE is not defined.
 100 #endif
 101
 102 #if     ARCH_ELFSIZE == 32
 103 #define LIBELF_ARCH             ELF32_MACHDEP_ID
 104 #define LIBELF_BYTEORDER        ELF32_MACHDEP_ENDIANNESS
 105 #define LIBELF_CLASS            ELFCLASS32
 106 #define Elf_Note                Elf32_Nhdr
 107 #else
 108 #define LIBELF_ARCH             ELF64_MACHDEP_ID
 109 #define LIBELF_BYTEORDER        ELF64_MACHDEP_ENDIANNESS
 110 #define LIBELF_CLASS            ELFCLASS64
 111 #define Elf_Note                Elf64_Nhdr
 112 #endif
 113
 114 #endif  /* __NetBSD__ */
 115
 116 /*
 117  * GNU & Linux compatibility.
 118  *
 119  * `__linux__' is defined in an environment runs the Linux kernel and glibc.
 120  * `__GNU__' is defined in an environment runs a GNU kernel (Hurd) and glibc.
 121  * `__GLIBC__' is defined for an environment that runs glibc over a non-GNU
 122  *     kernel such as GNU/kFreeBSD.
 123  */
 124
 125 #if defined(__linux__) || defined(__GNU__) || defined(__GLIBC__)
 126
 127 #if defined(__linux__)
 128
 129 #include "native-elf-format.h"
 130
 131 #define LIBELF_CLASS            ELFTC_CLASS
 132 #define LIBELF_ARCH             ELFTC_ARCH
 133 #define LIBELF_BYTEORDER        ELFTC_BYTEORDER
 134
 135 #endif  /* defined(__linux__) */
 136
 137 #define LIBELF_VCSID(ID)
 138
 139 #if     LIBELF_CLASS == ELFCLASS32
 140 #define Elf_Note                Elf32_Nhdr
 141 #elif   LIBELF_CLASS == ELFCLASS64
 142 #define Elf_Note                Elf64_Nhdr
 143 #else
 144 #error  LIBELF_CLASS needs to be one of ELFCLASS32 or ELFCLASS64
 145 #endif
 146
 147 #define roundup2        roundup
 148
 149 #endif /* defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) */
 150
 151 #ifdef __minix
 152
 153 #define LIBELF_VCSID(ID)
 154
 155 /*
 156  * Define LIBELF_{ARCH,BYTEORDER,CLASS} based on the machine architecture.
 157  * See also: <machine/elf.h>.
 158  */
 159
 160 #if     defined(__amd64__)
 161
 162 #define LIBELF_ARCH             EM_X86_64
 163 #define LIBELF_BYTEORDER        ELFDATA2LSB
 164 #define LIBELF_CLASS            ELFCLASS64
 165
 166 #elif   defined(__arm__)
 167
 168 #define LIBELF_ARCH             EM_ARM
 169 #if     defined(__ARMEB__)      /* Big-endian ARM. */
 170 #define LIBELF_BYTEORDER        ELFDATA2MSB
 171 #else
 172 #define LIBELF_BYTEORDER        ELFDATA2LSB
 173 #endif
 174 #define LIBELF_CLASS            ELFCLASS32
 175
 176 #elif   defined(__i386__)
 177
 178 #define LIBELF_ARCH             EM_386
 179 #define LIBELF_BYTEORDER        ELFDATA2LSB
 180 #define LIBELF_CLASS            ELFCLASS32
 181
 182 #elif   defined(__ia64__)
 183
 184 #define LIBELF_ARCH             EM_IA_64
 185 #define LIBELF_BYTEORDER        ELFDATA2LSB
 186 #define LIBELF_CLASS            ELFCLASS64
 187
 188 #elif   defined(__mips__)
 189
 190 #define LIBELF_ARCH             EM_MIPS
 191 #if     defined(__MIPSEB__)
 192 #define LIBELF_BYTEORDER        ELFDATA2MSB
 193 #else
 194 #define LIBELF_BYTEORDER        ELFDATA2LSB
 195 #endif
 196 #define LIBELF_CLASS            ELFCLASS32
 197
 198 #elif   defined(__powerpc__)
 199
 200 #define LIBELF_ARCH             EM_PPC
 201 #define LIBELF_BYTEORDER        ELFDATA2MSB
 202 #define LIBELF_CLASS            ELFCLASS32
 203
 204 #elif   defined(__sparc__)
 205
 206 #define LIBELF_ARCH             EM_SPARCV9
 207 #define LIBELF_BYTEORDER        ELFDATA2MSB
 208 #define LIBELF_CLASS            ELFCLASS64
 209
 210 #else
 211 #error  Unknown MINIX architecture.
 212 #endif
 213 #endif  /* __minix */