projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| eb71a0aa | 1 | /* |
| ab5be9fa | 2 | * Copyright (C) 2011 David Goulet <dgoulet@efficios.com> |
| eb71a0aa | 3 | * |
| c922647d | 4 | * SPDX-License-Identifier: LGPL-2.1-only |
| eb71a0aa | 5 | * |
| eb71a0aa DG |
6 | */ |
| 7 | ||
| f263b7fd | 8 | #ifndef _COMPAT_ENDIAN_H |
| eb71a0aa DG |
9 | #define _COMPAT_ENDIAN_H |
| 10 | ||
| 07bb6d71 | 11 | #if defined(__linux__) || defined(__CYGWIN__) |
| eb71a0aa | 12 | #include <endian.h> |
| 4ff128af | 13 | #include <byteswap.h> |
| f263b7fd JD |
14 | |
| 15 | /* | |
| 16 | * htobe/betoh are not defined for glibc <2.9, so add them | |
| 17 | * explicitly if they are missing. | |
| 18 | */ | |
| 19 | #ifdef __USE_BSD | |
| 20 | /* Conversion interfaces. */ | |
| 21 | # include <byteswap.h> | |
| 22 | ||
| 23 | # if __BYTE_ORDER == __LITTLE_ENDIAN | |
| 24 | # ifndef htobe16 | |
| 25 | # define htobe16(x) __bswap_16(x) | |
| 26 | # endif | |
| 27 | # ifndef htole16 | |
| 28 | # define htole16(x) (x) | |
| 29 | # endif | |
| 30 | # ifndef be16toh | |
| 31 | # define be16toh(x) __bswap_16(x) | |
| 32 | # endif | |
| 33 | # ifndef le16toh | |
| 34 | # define le16toh(x) (x) | |
| 35 | # endif | |
| 36 | ||
| 37 | # ifndef htobe32 | |
| 38 | # define htobe32(x) __bswap_32(x) | |
| 39 | # endif | |
| 40 | # ifndef htole32 | |
| 41 | # define htole32(x) (x) | |
| 42 | # endif | |
| 43 | # ifndef be32toh | |
| 44 | # define be32toh(x) __bswap_32(x) | |
| 45 | # endif | |
| 46 | # ifndef le32toh | |
| 47 | # define le32toh(x) (x) | |
| 48 | # endif | |
| 49 | ||
| 50 | # ifndef htobe64 | |
| 51 | # define htobe64(x) __bswap_64(x) | |
| 52 | # endif | |
| 53 | # ifndef htole64 | |
| 54 | # define htole64(x) (x) | |
| 55 | # endif | |
| 56 | # ifndef be64toh | |
| 57 | # define be64toh(x) __bswap_64(x) | |
| 58 | # endif | |
| 59 | # ifndef le64toh | |
| 60 | # define le64toh(x) (x) | |
| 61 | # endif | |
| 62 | ||
| 63 | # else /* __BYTE_ORDER == __LITTLE_ENDIAN */ | |
| 64 | # ifndef htobe16 | |
| 65 | # define htobe16(x) (x) | |
| 66 | # endif | |
| 67 | # ifndef htole16 | |
| 68 | # define htole16(x) __bswap_16(x) | |
| 69 | # endif | |
| 70 | # ifndef be16toh | |
| 71 | # define be16toh(x) (x) | |
| 72 | # endif | |
| 73 | # ifndef le16toh | |
| 74 | # define le16toh(x) __bswap_16(x) | |
| 75 | # endif | |
| 76 | ||
| 77 | # ifndef htobe32 | |
| 78 | # define htobe32(x) (x) | |
| 79 | # endif | |
| 80 | # ifndef htole32 | |
| 81 | # define htole32(x) __bswap_32(x) | |
| 82 | # endif | |
| 83 | # ifndef be32toh | |
| 84 | # define be32toh(x) (x) | |
| 85 | # endif | |
| 86 | # ifndef le32toh | |
| 87 | # define le32toh(x) __bswap_32(x) | |
| 88 | # endif | |
| 89 | ||
| 90 | # ifndef htobe64 | |
| 91 | # define htobe64(x) (x) | |
| 92 | # endif | |
| 93 | # ifndef htole64 | |
| 94 | # define htole64(x) __bswap_64(x) | |
| 95 | # endif | |
| 96 | # ifndef be64toh | |
| 97 | # define be64toh(x) (x) | |
| 98 | # endif | |
| 99 | # ifndef le64toh | |
| 100 | # define le64toh(x) __bswap_64(x) | |
| 101 | # endif | |
| 102 | ||
| 103 | # endif /* __BYTE_ORDER == __LITTLE_ENDIAN */ | |
| 104 | #endif /* __USE_BSD */ | |
| 105 | ||
| b2c3836f | 106 | #elif defined(__FreeBSD__) |
| 4ff128af MJ |
107 | #include <sys/endian.h> |
| 108 | ||
| 109 | #define bswap_16(x) bswap16(x) | |
| 110 | #define bswap_32(x) bswap32(x) | |
| 111 | #define bswap_64(x) bswap64(x) | |
| 0c97bd7a MJ |
112 | |
| 113 | #elif defined(__sun__) | |
| 114 | #include <sys/byteorder.h> | |
| 115 | #ifndef __BIG_ENDIAN | |
| 116 | #define __BIG_ENDIAN 4321 | |
| 117 | #endif /* __BIG_ENDIAN */ | |
| 118 | #ifndef __LITTLE_ENDIAN | |
| 119 | #define __LITTLE_ENDIAN 1234 | |
| 120 | #endif /* __LITTLE_ENDIAN */ | |
| 121 | ||
| 122 | #ifdef _LITTLE_ENDIAN | |
| 123 | #define __BYTE_ORDER __LITTLE_ENDIAN | |
| 124 | #endif /* _LITTLE_ENDIAN */ | |
| 125 | #ifdef _BIG_ENDIAN | |
| 126 | #define __BYTE_ORDER __BIG_ENDIAN | |
| 127 | #endif /* _BIG_ENDIAN */ | |
| 128 | ||
| 129 | #define LITTLE_ENDIAN __LITTLE_ENDIAN | |
| 130 | #define BIG_ENDIAN __BIG_ENDIAN | |
| 131 | #define PDP_ENDIAN __PDP_ENDIAN | |
| 132 | #define BYTE_ORDER __BYTE_ORDER | |
| 133 | ||
| 134 | #define betoh16(x) BE_16(x) | |
| 135 | #define letoh16(x) LE_16(x) | |
| 136 | #define betoh32(x) BE_32(x) | |
| 137 | #define letoh32(x) LE_32(x) | |
| 138 | #define betoh64(x) BE_64(x) | |
| 139 | #define letoh64(x) LE_64(x) | |
| 140 | #define htobe16(x) BE_16(x) | |
| 141 | #define be16toh(x) BE_16(x) | |
| 142 | #define htobe32(x) BE_32(x) | |
| 143 | #define be32toh(x) BE_32(x) | |
| 144 | #define htobe64(x) BE_64(x) | |
| 145 | #define be64toh(x) BE_64(x) | |
| 146 | ||
| 50ec4d1a MJ |
147 | #elif defined(__APPLE__) |
| 148 | # include <machine/endian.h> | |
| 149 | # include <libkern/OSByteOrder.h> | |
| 150 | ||
| 151 | # if BYTE_ORDER == LITTLE_ENDIAN | |
| 152 | # define htobe16(x) OSSwapConstInt16(x) | |
| 153 | # define htole16(x) (x) | |
| 154 | # define be16toh(x) OSSwapConstInt16(x) | |
| 155 | # define le16toh(x) (x) | |
| 156 | ||
| 157 | # define htobe32(x) OSSwapConstInt32(x) | |
| 158 | # define htole32(x) (x) | |
| 159 | # define be32toh(x) OSSwapConstInt32(x) | |
| 160 | # define le32toh(x) (x) | |
| 161 | ||
| 162 | # define htobe64(x) OSSwapConstInt64(x) | |
| 163 | # define htole64(x) (x) | |
| 164 | # define be64toh(x) OSSwapConstInt64(x) | |
| 165 | # define le64toh(x) (x) | |
| 166 | ||
| 167 | # else /* BYTE_ORDER == LITTLE_ENDIAN */ | |
| 168 | # define htobe16(x) (x) | |
| 169 | # define htole16(x) OSSwapConstInt16(x) | |
| 170 | # define be16toh(x) (x) | |
| 171 | # define le16toh(x) OSSwapConstInt16(x) | |
| 172 | ||
| 173 | # define htobe32(x) (x) | |
| 174 | # define htole32(x) OSSwapConstInt32(x) | |
| 175 | # define be32toh(x) (x) | |
| 176 | # define le32toh(x) OSSwapConstInt32(x) | |
| 177 | ||
| 178 | # define htobe64(x) (x) | |
| 179 | # define htole64(x) OSSwapConstInt64(x) | |
| 180 | # define be64toh(x) (x) | |
| 181 | # define le64toh(x) OSSwapConstInt64(x) | |
| 182 | # endif | |
| 183 | ||
| eb71a0aa | 184 | #else |
| b2c3836f | 185 | #error "Please add support for your OS." |
| eb71a0aa DG |
186 | #endif |
| 187 | ||
| 188 | #endif /* _COMPAT_ENDIAN_H */ |