| | 1 | /* |
| | 2 | * Copyright (C) 2011 David Goulet <dgoulet@efficios.com> |
| | 3 | * |
| | 4 | * SPDX-License-Identifier: GPL-2.0-only |
| | 5 | * |
| | 6 | */ |
| | 7 | |
| | 8 | #ifndef _COMPAT_ENDIAN_H |
| | 9 | #define _COMPAT_ENDIAN_H |
| | 10 | |
| | 11 | #if defined(__linux__) || defined(__CYGWIN__) |
| | 12 | #include <endian.h> |
| | 13 | #include <byteswap.h> |
| | 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 | |
| | 106 | #elif defined(__FreeBSD__) |
| | 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) |
| | 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 | |
| | 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 | |
| | 184 | #else |
| | 185 | #error "Please add support for your OS." |
| | 186 | #endif |
| | 187 | |
| | 188 | #endif /* _COMPAT_ENDIAN_H */ |
projects / lttng-tools.git / blame_incremental