| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef INCLUDE_PERFETTO_EXT_BASE_ENDIAN_H_ |
| #define INCLUDE_PERFETTO_EXT_BASE_ENDIAN_H_ |
| |
| #include <stdint.h> |
| #include <stdlib.h> // For MSVC |
| |
| #include "perfetto/base/build_config.h" |
| #include "perfetto/base/compiler.h" |
| |
| #if !PERFETTO_IS_LITTLE_ENDIAN() |
| #error "endian.h supports only little-endian archs" |
| #endif |
| |
| namespace perfetto { |
| namespace base { |
| |
| #if PERFETTO_BUILDFLAG(PERFETTO_COMPILER_MSVC) |
| inline uint16_t HostToBE16(uint16_t x) { |
| return _byteswap_ushort(x); |
| } |
| inline uint32_t HostToBE32(uint32_t x) { |
| return _byteswap_ulong(x); |
| } |
| inline uint64_t HostToBE64(uint64_t x) { |
| return _byteswap_uint64(x); |
| } |
| #else |
| inline uint16_t HostToBE16(uint16_t x) { |
| return __builtin_bswap16(x); |
| } |
| inline uint32_t HostToBE32(uint32_t x) { |
| return __builtin_bswap32(x); |
| } |
| inline uint64_t HostToBE64(uint64_t x) { |
| return __builtin_bswap64(x); |
| } |
| #endif |
| |
| } // namespace base |
| } // namespace perfetto |
| |
| #endif // INCLUDE_PERFETTO_EXT_BASE_ENDIAN_H_ |