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| 1 | //===-- Definition of macros from endian.h --------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef LLVM_LIBC_MACROS_ENDIAN_MACROS_H |
| 10 | #define LLVM_LIBC_MACROS_ENDIAN_MACROS_H |
| 11 | |
| 12 | #include "stdint-macros.h" |
| 13 | |
| 14 | #define LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__ |
| 15 | #define BIG_ENDIAN __ORDER_BIG_ENDIAN__ |
| 16 | #define BYTE_ORDER __BYTE_ORDER__ |
| 17 | |
| 18 | #if BYTE_ORDER == LITTLE_ENDIAN |
| 19 | |
| 20 | #define htobe16(x) __builtin_bswap16((x)) |
| 21 | #define htobe32(x) __builtin_bswap32((x)) |
| 22 | #define htobe64(x) __builtin_bswap64((x)) |
| 23 | #define htole16(x) __LLVM_LIBC_CAST(static_cast, uint16_t, x) |
| 24 | #define htole32(x) __LLVM_LIBC_CAST(static_cast, uint32_t, x) |
| 25 | #define htole64(x) __LLVM_LIBC_CAST(static_cast, uint64_t, x) |
| 26 | #define be16toh(x) __builtin_bswap16((x)) |
| 27 | #define be32toh(x) __builtin_bswap32((x)) |
| 28 | #define be64toh(x) __builtin_bswap64((x)) |
| 29 | #define le16toh(x) __LLVM_LIBC_CAST(static_cast, uint16_t, x) |
| 30 | #define le32toh(x) __LLVM_LIBC_CAST(static_cast, uint32_t, x) |
| 31 | #define le64toh(x) __LLVM_LIBC_CAST(static_cast, uint64_t, x) |
| 32 | |
| 33 | #else |
| 34 | |
| 35 | #define htobe16(x) __LLVM_LIBC_CAST(static_cast, uint16_t, x) |
| 36 | #define htobe32(x) __LLVM_LIBC_CAST(static_cast, uint32_t, x) |
| 37 | #define htobe64(x) __LLVM_LIBC_CAST(static_cast, uint64_t, x) |
| 38 | #define htole16(x) __builtin_bswap16((x)) |
| 39 | #define htole32(x) __builtin_bswap32((x)) |
| 40 | #define htole64(x) __builtin_bswap64((x)) |
| 41 | #define be16toh(x) __LLVM_LIBC_CAST(static_cast, uint16_t, x) |
| 42 | #define be32toh(x) __LLVM_LIBC_CAST(static_cast, uint32_t, x) |
| 43 | #define be64toh(x) __LLVM_LIBC_CAST(static_cast, uint64_t, x) |
| 44 | #define le16toh(x) __builtin_bswap16((x)) |
| 45 | #define le32toh(x) __builtin_bswap32((x)) |
| 46 | #define le64toh(x) __builtin_bswap64((x)) |
| 47 | |
| 48 | #endif |
| 49 | |
| 50 | #endif // LLVM_LIBC_MACROS_ENDIAN_MACROS_H |
| 51 |
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