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Ian Rogers2dd0e2c2013-01-24 12:42:14 -08001/*
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
Brian Carlstromfc0e3212013-07-17 14:40:12 -070017#ifndef ART_RUNTIME_MIRROR_STACK_TRACE_ELEMENT_H_
18#define ART_RUNTIME_MIRROR_STACK_TRACE_ELEMENT_H_
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080019
20#include "object.h"
21
22namespace art {
23
Mathieu Chartierc645f1d2014-03-06 18:11:53 -080024template<class T> class SirtRef;
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080025struct StackTraceElementOffsets;
26
27namespace mirror {
28
29// C++ mirror of java.lang.StackTraceElement
30class MANAGED StackTraceElement : public Object {
31 public:
Ian Rogersef7d42f2014-01-06 12:55:46 -080032 String* GetDeclaringClass() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
33 return GetFieldObject<String>(OFFSET_OF_OBJECT_MEMBER(StackTraceElement, declaring_class_),
34 false);
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080035 }
36
Ian Rogersef7d42f2014-01-06 12:55:46 -080037 String* GetMethodName() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
38 return GetFieldObject<String>(OFFSET_OF_OBJECT_MEMBER(StackTraceElement, method_name_),
39 false);
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080040 }
41
Ian Rogersef7d42f2014-01-06 12:55:46 -080042 String* GetFileName() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
43 return GetFieldObject<String>(OFFSET_OF_OBJECT_MEMBER(StackTraceElement, file_name_),
44 false);
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080045 }
46
Ian Rogersef7d42f2014-01-06 12:55:46 -080047 int32_t GetLineNumber() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
48 return GetField32(OFFSET_OF_OBJECT_MEMBER(StackTraceElement, line_number_), false);
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080049 }
50
51 static StackTraceElement* Alloc(Thread* self,
Mathieu Chartier590fee92013-09-13 13:46:47 -070052 SirtRef<String>& declaring_class,
53 SirtRef<String>& method_name,
54 SirtRef<String>& file_name,
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080055 int32_t line_number)
56 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
57
58 static void SetClass(Class* java_lang_StackTraceElement);
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080059 static void ResetClass();
Mathieu Chartier83c8ee02014-01-28 14:50:23 -080060 static void VisitRoots(RootCallback* callback, void* arg)
Mathieu Chartierc528dba2013-11-26 12:00:11 -080061 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080062
63 private:
64 // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses".
Ian Rogersef7d42f2014-01-06 12:55:46 -080065 HeapReference<String> declaring_class_;
66 HeapReference<String> file_name_;
67 HeapReference<String> method_name_;
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080068 int32_t line_number_;
69
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +010070 template<bool kTransactionActive>
71 void Init(SirtRef<String>& declaring_class, SirtRef<String>& method_name,
72 SirtRef<String>& file_name, int32_t line_number)
73 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
74
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080075 static Class* GetStackTraceElement() {
76 DCHECK(java_lang_StackTraceElement_ != NULL);
77 return java_lang_StackTraceElement_;
78 }
79
80 static Class* java_lang_StackTraceElement_;
81
82 friend struct art::StackTraceElementOffsets; // for verifying offset information
83 DISALLOW_IMPLICIT_CONSTRUCTORS(StackTraceElement);
84};
85
86} // namespace mirror
87} // namespace art
88
Brian Carlstromfc0e3212013-07-17 14:40:12 -070089#endif // ART_RUNTIME_MIRROR_STACK_TRACE_ELEMENT_H_