1 /* 2 * Copyright (C) 2014 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_MAP_H 18 #define _LIBBACKTRACE_UNWIND_MAP_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <backtrace/BacktraceMap.h> 24 25 // The unw_map_cursor_t structure is different depending on whether it is 26 // the local or remote version. In order to get the correct version, include 27 // libunwind.h first then this header. 28 29 class UnwindMap : public BacktraceMap { 30 public: 31 UnwindMap(pid_t pid); 32 33 unw_map_cursor_t* GetMapCursor() { return &map_cursor_; } 34 35 protected: 36 unw_map_cursor_t map_cursor_; 37 }; 38 39 class UnwindMapRemote : public UnwindMap { 40 public: 41 UnwindMapRemote(pid_t pid); 42 virtual ~UnwindMapRemote(); 43 44 bool Build() override; 45 46 private: 47 bool GenerateMap(); 48 }; 49 50 class UnwindMapLocal : public UnwindMap { 51 public: 52 UnwindMapLocal(); 53 virtual ~UnwindMapLocal(); 54 55 bool Build() override; 56 57 void FillIn(uintptr_t addr, backtrace_map_t* map) override; 58 59 private: 60 bool GenerateMap(); 61 62 bool map_created_; 63 }; 64 65 #endif // _LIBBACKTRACE_UNWIND_MAP_H 66
