1 /* 2 * Copyright (c) 2023 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 16 #include "ecmascript/platform/backtrace.h" 17 18 #include <execinfo.h> 19 #include <unistd.h> 20 21 #include "ecmascript/log_wrapper.h" 22 #include "ecmascript/mem/mem.h" 23 24 namespace panda::ecmascript { 25 static const int MAX_STACK_SIZE = 256; 26 static const int FRAMES_LEN = 16; 27 Backtrace(std::ostringstream & stack,bool enableCache)28void Backtrace(std::ostringstream &stack, [[maybe_unused]] bool enableCache) 29 { 30 void *buffer[MAX_STACK_SIZE]; 31 char **stackList = nullptr; 32 int framesLen = backtrace(buffer, MAX_STACK_SIZE); 33 stackList = backtrace_symbols(buffer, framesLen); 34 if (stackList == nullptr) { 35 return; 36 } 37 38 stack << "=====================Backtrace========================"; 39 for (int i = 0; i < FRAMES_LEN; ++i) { 40 if (stackList[i] == nullptr) { 41 break; 42 } 43 stack << stackList[i]; 44 } 45 46 free(stackList); 47 } 48 } // namespace panda::ecmascript 49