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_MIRROR_STACK_TRACE_ELEMENT_H_ 18 #define ART_RUNTIME_MIRROR_STACK_TRACE_ELEMENT_H_ 19 20 #include "object.h" 21 22 namespace art { 23 24 template<class T> class Handle; 25 struct StackTraceElementOffsets; 26 27 namespace mirror { 28 29 // C++ mirror of java.lang.StackTraceElement 30 class MANAGED StackTraceElement final : public Object { 31 public: 32 MIRROR_CLASS("Ljava/lang/StackTraceElement;"); 33 34 ObjPtr<String> GetDeclaringClass() REQUIRES_SHARED(Locks::mutator_lock_); 35 36 ObjPtr<String> GetMethodName() REQUIRES_SHARED(Locks::mutator_lock_); 37 38 ObjPtr<String> GetFileName() REQUIRES_SHARED(Locks::mutator_lock_); 39 GetLineNumber()40 int32_t GetLineNumber() REQUIRES_SHARED(Locks::mutator_lock_) { 41 return GetField32(OFFSET_OF_OBJECT_MEMBER(StackTraceElement, line_number_)); 42 } 43 44 static ObjPtr<StackTraceElement> Alloc(Thread* self, 45 Handle<String> declaring_class, 46 Handle<String> method_name, 47 Handle<String> file_name, 48 int32_t line_number) 49 REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Roles::uninterruptible_); 50 51 private: 52 // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". 53 HeapReference<String> declaring_class_; 54 HeapReference<String> file_name_; 55 HeapReference<String> method_name_; 56 int32_t line_number_; 57 58 template<bool kTransactionActive> 59 void Init(ObjPtr<String> declaring_class, 60 ObjPtr<String> method_name, 61 ObjPtr<String> file_name, 62 int32_t line_number) 63 REQUIRES_SHARED(Locks::mutator_lock_); 64 65 friend struct art::StackTraceElementOffsets; // for verifying offset information 66 DISALLOW_IMPLICIT_CONSTRUCTORS(StackTraceElement); 67 }; 68 69 } // namespace mirror 70 } // namespace art 71 72 #endif // ART_RUNTIME_MIRROR_STACK_TRACE_ELEMENT_H_ 73