1 /* 2 * Copyright (C) 2011 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_JAVA_FRAME_ROOT_INFO_H_ 18 #define ART_RUNTIME_JAVA_FRAME_ROOT_INFO_H_ 19 20 #include <iosfwd> 21 22 #include "base/locks.h" 23 #include "base/macros.h" 24 #include "gc_root.h" 25 26 namespace art { 27 28 class StackVisitor; 29 30 class JavaFrameRootInfo final : public RootInfo { 31 public: JavaFrameRootInfo(uint32_t thread_id,const StackVisitor * stack_visitor,size_t vreg)32 JavaFrameRootInfo(uint32_t thread_id, const StackVisitor* stack_visitor, size_t vreg) 33 : RootInfo(kRootJavaFrame, thread_id), stack_visitor_(stack_visitor), vreg_(vreg) { 34 } 35 void Describe(std::ostream& os) const override 36 REQUIRES_SHARED(Locks::mutator_lock_); 37 GetVReg()38 size_t GetVReg() const { 39 return vreg_; 40 } GetVisitor()41 const StackVisitor* GetVisitor() const { 42 return stack_visitor_; 43 } 44 45 private: 46 const StackVisitor* const stack_visitor_; 47 const size_t vreg_; 48 }; 49 50 } // namespace art 51 52 #endif // ART_RUNTIME_JAVA_FRAME_ROOT_INFO_H_ 53