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 ART_RUNTIME_THROW_LOCATION_H_ 18 #define ART_RUNTIME_THROW_LOCATION_H_ 19 20 #include "base/macros.h" 21 #include "root_visitor.h" 22 23 #include <stdint.h> 24 #include <string> 25 26 namespace art { 27 28 namespace mirror { 29 class ArtMethod; 30 class Object; 31 } // mirror 32 33 class PACKED(4) ThrowLocation { 34 public: ThrowLocation()35 ThrowLocation() { 36 Clear(); 37 } 38 ThrowLocation(mirror::Object * throw_this_object,mirror::ArtMethod * throw_method,uint32_t throw_dex_pc)39 ThrowLocation(mirror::Object* throw_this_object, mirror::ArtMethod* throw_method, 40 uint32_t throw_dex_pc) : 41 this_object_(throw_this_object), 42 method_(throw_method), 43 dex_pc_(throw_dex_pc) {} 44 GetThis()45 mirror::Object* GetThis() const { 46 return this_object_; 47 } 48 GetMethod()49 mirror::ArtMethod* GetMethod() const { 50 return method_; 51 } 52 GetDexPc()53 uint32_t GetDexPc() const { 54 return dex_pc_; 55 } 56 Clear()57 void Clear() { 58 this_object_ = NULL; 59 method_ = NULL; 60 dex_pc_ = -1; 61 } 62 63 std::string Dump() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 64 65 void VisitRoots(RootVisitor* visitor, void* arg); 66 67 private: 68 // The 'this' reference of the throwing method. 69 mirror::Object* this_object_; 70 // The throwing method. 71 mirror::ArtMethod* method_; 72 // The instruction within the throwing method. 73 uint32_t dex_pc_; 74 }; 75 76 } // namespace art 77 78 #endif // ART_RUNTIME_THROW_LOCATION_H_ 79