| 1 | #ifndef _BABELTRACE_ENDIAN_H |
| 2 | #define _BABELTRACE_ENDIAN_H |
| 3 | |
| 4 | /* |
| 5 | * babeltrace/endian.h |
| 6 | * |
| 7 | * Copyright 2012 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 8 | * |
| 9 | * endian.h compatibility layer. |
| 10 | * |
| 11 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 12 | * of this software and associated documentation files (the "Software"), to deal |
| 13 | * in the Software without restriction, including without limitation the rights |
| 14 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 15 | * copies of the Software, and to permit persons to whom the Software is |
| 16 | * furnished to do so, subject to the following conditions: |
| 17 | * |
| 18 | * The above copyright notice and this permission notice shall be included in |
| 19 | * all copies or substantial portions of the Software. |
| 20 | * |
| 21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 22 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 23 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 24 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 25 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 26 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 27 | * SOFTWARE. |
| 28 | */ |
| 29 | |
| 30 | #ifdef __FreeBSD__ |
| 31 | #include <machine/endian.h> |
| 32 | |
| 33 | #elif defined(__sun__) |
| 34 | #include <sys/byteorder.h> |
| 35 | |
| 36 | #ifndef __BIG_ENDIAN |
| 37 | #define __BIG_ENDIAN 4321 |
| 38 | #endif |
| 39 | #ifndef __LITTLE_ENDIAN |
| 40 | #define __LITTLE_ENDIAN 1234 |
| 41 | #endif |
| 42 | |
| 43 | #ifdef _LITTLE_ENDIAN |
| 44 | #define __BYTE_ORDER __LITTLE_ENDIAN |
| 45 | #endif |
| 46 | |
| 47 | #ifdef _BIG_ENDIAN |
| 48 | #define __BYTE_ORDER __BIG_ENDIAN |
| 49 | #endif |
| 50 | |
| 51 | #define LITTLE_ENDIAN __LITTLE_ENDIAN |
| 52 | #define BIG_ENDIAN __BIG_ENDIAN |
| 53 | #define BYTE_ORDER __BYTE_ORDER |
| 54 | |
| 55 | #define betoh16(x) BE_16(x) |
| 56 | #define letoh16(x) LE_16(x) |
| 57 | #define betoh32(x) BE_32(x) |
| 58 | #define letoh32(x) LE_32(x) |
| 59 | #define betoh64(x) BE_64(x) |
| 60 | #define letoh64(x) LE_64(x) |
| 61 | #define htobe16(x) BE_16(x) |
| 62 | #define be16toh(x) BE_16(x) |
| 63 | #define htobe32(x) BE_32(x) |
| 64 | #define be32toh(x) BE_32(x) |
| 65 | #define htobe64(x) BE_64(x) |
| 66 | #define be64toh(x) BE_64(x) |
| 67 | |
| 68 | #elif defined(__MINGW32__) |
| 69 | #ifndef __BIG_ENDIAN |
| 70 | #define __BIG_ENDIAN 4321 |
| 71 | #endif |
| 72 | #ifndef __LITTLE_ENDIAN |
| 73 | #define __LITTLE_ENDIAN 1234 |
| 74 | #endif |
| 75 | |
| 76 | #ifndef __BYTE_ORDER |
| 77 | #define __BYTE_ORDER __LITTLE_ENDIAN |
| 78 | #endif |
| 79 | |
| 80 | #define LITTLE_ENDIAN __LITTLE_ENDIAN |
| 81 | #define BIG_ENDIAN __BIG_ENDIAN |
| 82 | #define PDP_ENDIAN __PDP_ENDIAN |
| 83 | #define BYTE_ORDER __BYTE_ORDER |
| 84 | |
| 85 | #elif defined(__APPLE__) |
| 86 | # include <machine/endian.h> |
| 87 | # include <libkern/OSByteOrder.h> |
| 88 | |
| 89 | # if BYTE_ORDER == LITTLE_ENDIAN |
| 90 | # define htobe16(x) OSSwapConstInt16(x) |
| 91 | # define htole16(x) (x) |
| 92 | # define be16toh(x) OSSwapConstInt16(x) |
| 93 | # define le16toh(x) (x) |
| 94 | |
| 95 | # define htobe32(x) OSSwapConstInt32(x) |
| 96 | # define htole32(x) (x) |
| 97 | # define be32toh(x) OSSwapConstInt32(x) |
| 98 | # define le32toh(x) (x) |
| 99 | |
| 100 | # define htobe64(x) OSSwapConstInt64(x) |
| 101 | # define htole64(x) (x) |
| 102 | # define be64toh(x) OSSwapConstInt64(x) |
| 103 | # define le64toh(x) (x) |
| 104 | |
| 105 | # else /* BYTE_ORDER == LITTLE_ENDIAN */ |
| 106 | # define htobe16(x) (x) |
| 107 | # define htole16(x) OSSwapConstInt16(x) |
| 108 | # define be16toh(x) (x) |
| 109 | # define le16toh(x) OSSwapConstInt16(x) |
| 110 | |
| 111 | # define htobe32(x) (x) |
| 112 | # define htole32(x) OSSwapConstInt32(x) |
| 113 | # define be32toh(x) (x) |
| 114 | # define le32toh(x) OSSwapConstInt32(x) |
| 115 | |
| 116 | # define htobe64(x) (x) |
| 117 | # define htole64(x) OSSwapConstInt64(x) |
| 118 | # define be64toh(x) (x) |
| 119 | # define le64toh(x) OSSwapConstInt64(x) |
| 120 | # endif |
| 121 | |
| 122 | #else |
| 123 | #include <endian.h> |
| 124 | |
| 125 | /* |
| 126 | * htobe/betoh are not defined for glibc < 2.9, so add them explicitly |
| 127 | * if they are missing. |
| 128 | */ |
| 129 | # ifdef __USE_BSD |
| 130 | /* Conversion interfaces. */ |
| 131 | # include <byteswap.h> |
| 132 | |
| 133 | # if __BYTE_ORDER == __LITTLE_ENDIAN |
| 134 | # ifndef htobe16 |
| 135 | # define htobe16(x) __bswap_16(x) |
| 136 | # endif |
| 137 | # ifndef htole16 |
| 138 | # define htole16(x) (x) |
| 139 | # endif |
| 140 | # ifndef be16toh |
| 141 | # define be16toh(x) __bswap_16(x) |
| 142 | # endif |
| 143 | # ifndef le16toh |
| 144 | # define le16toh(x) (x) |
| 145 | # endif |
| 146 | |
| 147 | # ifndef htobe32 |
| 148 | # define htobe32(x) __bswap_32(x) |
| 149 | # endif |
| 150 | # ifndef htole32 |
| 151 | # define htole32(x) (x) |
| 152 | # endif |
| 153 | # ifndef be32toh |
| 154 | # define be32toh(x) __bswap_32(x) |
| 155 | # endif |
| 156 | # ifndef le32toh |
| 157 | # define le32toh(x) (x) |
| 158 | # endif |
| 159 | |
| 160 | # ifndef htobe64 |
| 161 | # define htobe64(x) __bswap_64(x) |
| 162 | # endif |
| 163 | # ifndef htole64 |
| 164 | # define htole64(x) (x) |
| 165 | # endif |
| 166 | # ifndef be64toh |
| 167 | # define be64toh(x) __bswap_64(x) |
| 168 | # endif |
| 169 | # ifndef le64toh |
| 170 | # define le64toh(x) (x) |
| 171 | # endif |
| 172 | |
| 173 | # else /* __BYTE_ORDER == __LITTLE_ENDIAN */ |
| 174 | # ifndef htobe16 |
| 175 | # define htobe16(x) (x) |
| 176 | # endif |
| 177 | # ifndef htole16 |
| 178 | # define htole16(x) __bswap_16(x) |
| 179 | # endif |
| 180 | # ifndef be16toh |
| 181 | # define be16toh(x) (x) |
| 182 | # endif |
| 183 | # ifndef le16toh |
| 184 | # define le16toh(x) __bswap_16(x) |
| 185 | # endif |
| 186 | |
| 187 | # ifndef htobe32 |
| 188 | # define htobe32(x) (x) |
| 189 | # endif |
| 190 | # ifndef htole32 |
| 191 | # define htole32(x) __bswap_32(x) |
| 192 | # endif |
| 193 | # ifndef be32toh |
| 194 | # define be32toh(x) (x) |
| 195 | # endif |
| 196 | # ifndef le32toh |
| 197 | # define le32toh(x) __bswap_32(x) |
| 198 | # endif |
| 199 | |
| 200 | # ifndef htobe64 |
| 201 | # define htobe64(x) (x) |
| 202 | # endif |
| 203 | # ifndef htole64 |
| 204 | # define htole64(x) __bswap_64(x) |
| 205 | # endif |
| 206 | # ifndef be64toh |
| 207 | # define be64toh(x) (x) |
| 208 | # endif |
| 209 | # ifndef le64toh |
| 210 | # define le64toh(x) __bswap_64(x) |
| 211 | # endif |
| 212 | |
| 213 | # endif /* __BYTE_ORDER == __LITTLE_ENDIAN */ |
| 214 | # endif /* __USE_BSD */ |
| 215 | #endif /* else -- __FreeBSD__ */ |
| 216 | |
| 217 | #ifndef FLOAT_WORD_ORDER |
| 218 | #ifdef __FLOAT_WORD_ORDER |
| 219 | #define FLOAT_WORD_ORDER __FLOAT_WORD_ORDER |
| 220 | #else /* __FLOAT_WORD_ORDER */ |
| 221 | #define FLOAT_WORD_ORDER BYTE_ORDER |
| 222 | #endif /* __FLOAT_WORD_ORDER */ |
| 223 | #endif /* FLOAT_WORD_ORDER */ |
| 224 | |
| 225 | #endif /* _BABELTRACE_ENDIAN_H */ |