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