1800b99b8Sopenharmony_ci/*
2800b99b8Sopenharmony_ci * Copyright (c) 2021-2023 Huawei Device Co., Ltd.
3800b99b8Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
4800b99b8Sopenharmony_ci * you may not use this file except in compliance with the License.
5800b99b8Sopenharmony_ci * You may obtain a copy of the License at
6800b99b8Sopenharmony_ci *
7800b99b8Sopenharmony_ci *     http://www.apache.org/licenses/LICENSE-2.0
8800b99b8Sopenharmony_ci *
9800b99b8Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software
10800b99b8Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
11800b99b8Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12800b99b8Sopenharmony_ci * See the License for the specific language governing permissions and
13800b99b8Sopenharmony_ci * limitations under the License.
14800b99b8Sopenharmony_ci */
15800b99b8Sopenharmony_ci
16800b99b8Sopenharmony_ci#ifndef BYTE_ORDER_H
17800b99b8Sopenharmony_ci#define BYTE_ORDER_H
18800b99b8Sopenharmony_ci
19800b99b8Sopenharmony_ci#if is_mingw
20800b99b8Sopenharmony_ci#define UNWIND_LITTLE_ENDIAN 1234
21800b99b8Sopenharmony_ci#define UNWIND_BIG_ENDIAN 4321
22800b99b8Sopenharmony_ci#define UNWIND_BYTE_ORDER -1 // Unknown
23800b99b8Sopenharmony_ci#else
24800b99b8Sopenharmony_ci#include <endian.h>
25800b99b8Sopenharmony_ci
26800b99b8Sopenharmony_ci#if defined(__LITTLE_ENDIAN)
27800b99b8Sopenharmony_ci#define UNWIND_LITTLE_ENDIAN __LITTLE_ENDIAN
28800b99b8Sopenharmony_ci#elif defined(_LITTLE_ENDIAN)
29800b99b8Sopenharmony_ci#define UNWIND_LITTLE_ENDIAN _LITTLE_ENDIAN
30800b99b8Sopenharmony_ci#elif defined(LITTLE_ENDIAN)
31800b99b8Sopenharmony_ci#define UNWIND_LITTLE_ENDIAN LITTLE_ENDIAN
32800b99b8Sopenharmony_ci#else
33800b99b8Sopenharmony_ci#define UNWIND_LITTLE_ENDIAN 1234
34800b99b8Sopenharmony_ci#endif
35800b99b8Sopenharmony_ci
36800b99b8Sopenharmony_ci#if defined(__BIG_ENDIAN)
37800b99b8Sopenharmony_ci#define UNWIND_BIG_ENDIAN __BIG_ENDIAN
38800b99b8Sopenharmony_ci#elif defined(_BIG_ENDIAN)
39800b99b8Sopenharmony_ci#define UNWIND_BIG_ENDIAN _BIG_ENDIAN
40800b99b8Sopenharmony_ci#elif defined(BIG_ENDIAN)
41800b99b8Sopenharmony_ci#define UNWIND_BIG_ENDIAN BIG_ENDIAN
42800b99b8Sopenharmony_ci#else
43800b99b8Sopenharmony_ci#define UNWIND_BIG_ENDIAN 4321
44800b99b8Sopenharmony_ci#endif
45800b99b8Sopenharmony_ci
46800b99b8Sopenharmony_ci#if defined(__BYTE_ORDER)
47800b99b8Sopenharmony_ci#define UNWIND_BYTE_ORDER __BYTE_ORDER
48800b99b8Sopenharmony_ci#elif defined(_BYTE_ORDER)
49800b99b8Sopenharmony_ci#define UNWIND_BYTE_ORDER _BYTE_ORDER
50800b99b8Sopenharmony_ci#elif defined(BYTE_ORDER)
51800b99b8Sopenharmony_ci#define UNWIND_BYTE_ORDER BYTE_ORDER
52800b99b8Sopenharmony_ci#else
53800b99b8Sopenharmony_ci#error Target has unknown byte ordering.
54800b99b8Sopenharmony_ci#endif
55800b99b8Sopenharmony_ci#endif
56800b99b8Sopenharmony_ci#endif