1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15#ifndef DFX_LOG_BACKTRACE_H
16#define DFX_LOG_BACKTRACE_H
17
18#define GEN_HOOK_FUNC(GenFuncName, RealHookFunc, FuncName, RealFuncName) \
19static void GenFuncName(void) \
20{ \
21    RealFuncName = ((RealHookFunc)dlsym(RTLD_NEXT, FuncName)); \
22    if (RealFuncName != NULL) { \
23        return; \
24    } \
25    DFXLOGE("Failed to find hooked %{public}s use RTLD_NEXT\n", FuncName); \
26    RealFuncName = (RealHookFunc)dlsym(RTLD_DEFAULT, FuncName); \
27    if (RealFuncName != NULL) { \
28        return; \
29    } \
30    DFXLOGE("Failed to find hooked %{public}s use RTLD_DEFAULT\n", FuncName); \
31}
32
33#ifdef __cplusplus
34extern "C" {
35#endif
36void LogBacktrace(void);
37#ifdef __cplusplus
38}
39#endif
40#endif
41