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 struct StackTraceElementOffsets; 25 26 namespace mirror { 27 28 // C++ mirror of java.lang.StackTraceElement 29 class MANAGED StackTraceElement : public Object { 30 public: GetDeclaringClass()31 const String* GetDeclaringClass() const { 32 return GetFieldObject<const String*>( 33 OFFSET_OF_OBJECT_MEMBER(StackTraceElement, declaring_class_), false); 34 } 35 GetMethodName()36 const String* GetMethodName() const { 37 return GetFieldObject<const String*>( 38 OFFSET_OF_OBJECT_MEMBER(StackTraceElement, method_name_), false); 39 } 40 GetFileName()41 const String* GetFileName() const { 42 return GetFieldObject<const String*>( 43 OFFSET_OF_OBJECT_MEMBER(StackTraceElement, file_name_), false); 44 } 45 GetLineNumber()46 int32_t GetLineNumber() const { 47 return GetField32( 48 OFFSET_OF_OBJECT_MEMBER(StackTraceElement, line_number_), false); 49 } 50 51 static StackTraceElement* Alloc(Thread* self, 52 String* declaring_class, 53 String* method_name, 54 String* file_name, 55 int32_t line_number) 56 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 57 58 static void SetClass(Class* java_lang_StackTraceElement); 59 60 static void ResetClass(); 61 62 private: 63 // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". 64 String* declaring_class_; 65 String* file_name_; 66 String* method_name_; 67 int32_t line_number_; 68 GetStackTraceElement()69 static Class* GetStackTraceElement() { 70 DCHECK(java_lang_StackTraceElement_ != NULL); 71 return java_lang_StackTraceElement_; 72 } 73 74 static Class* java_lang_StackTraceElement_; 75 76 friend struct art::StackTraceElementOffsets; // for verifying offset information 77 DISALLOW_IMPLICIT_CONSTRUCTORS(StackTraceElement); 78 }; 79 80 } // namespace mirror 81 } // namespace art 82 83 #endif // ART_RUNTIME_MIRROR_STACK_TRACE_ELEMENT_H_ 84