1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _LIBBACKTRACE_UNWIND_PTRACE_H 18 #define _LIBBACKTRACE_UNWIND_PTRACE_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <string> 24 25 #ifdef UNW_LOCAL_ONLY 26 #undef UNW_LOCAL_ONLY 27 #endif 28 #include <libunwind.h> 29 30 #include "BacktracePtrace.h" 31 32 class UnwindPtrace : public BacktracePtrace { 33 public: 34 UnwindPtrace(pid_t pid, pid_t tid, BacktraceMap* map); 35 virtual ~UnwindPtrace(); 36 37 bool Unwind(size_t num_ignore_frames, ucontext_t* ucontext) override; 38 39 std::string GetFunctionNameRaw(uintptr_t pc, uintptr_t* offset) override; 40 41 private: 42 unw_addr_space_t addr_space_; 43 struct UPT_info* upt_info_; 44 }; 45 46 #endif // _LIBBACKTRACE_UNWIND_PTRACE_H 47
