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 <backtrace/BacktraceMap.h> 21 22 // The unw_map_cursor_t structure is different depending on whether it is 23 // the local or remote version. In order to get the correct version, include 24 // libunwind.h first then this header. 25 26 class UnwindMap : public BacktraceMap { 27 public: 28 UnwindMap(pid_t pid); 29 virtual ~UnwindMap(); 30 31 virtual bool Build(); 32 GetMapCursor()33 unw_map_cursor_t* GetMapCursor() { return &map_cursor_; } 34 35 protected: 36 virtual bool GenerateMap(); 37 38 unw_map_cursor_t map_cursor_; 39 }; 40 41 class UnwindMapLocal : public UnwindMap { 42 public: 43 UnwindMapLocal(); 44 virtual ~UnwindMapLocal(); 45 46 virtual bool Build(); 47 48 virtual const backtrace_map_t* Find(uintptr_t addr); 49 50 protected: 51 virtual bool GenerateMap(); 52 53 bool map_created_; 54 }; 55 56 #endif // _LIBBACKTRACE_UNWIND_MAP_H 57