stack_trace_element.h revision 590fee9e8972f872301c2d16a575d579ee564bee 
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#include "sirt_ref.h"
22
23namespace art {
24
25struct StackTraceElementOffsets;
26
27namespace mirror {
28
29// C++ mirror of java.lang.StackTraceElement
30class MANAGED StackTraceElement : public Object {
31 public:
32  const String* GetDeclaringClass() const {
33    return GetFieldObject<const String*>(
34        OFFSET_OF_OBJECT_MEMBER(StackTraceElement, declaring_class_), false);
35  }
36
37  const String* GetMethodName() const {
38    return GetFieldObject<const String*>(
39        OFFSET_OF_OBJECT_MEMBER(StackTraceElement, method_name_), false);
40  }
41
42  const String* GetFileName() const {
43    return GetFieldObject<const String*>(
44        OFFSET_OF_OBJECT_MEMBER(StackTraceElement, file_name_), false);
45  }
46
47  int32_t GetLineNumber() const {
48    return GetField32(
49        OFFSET_OF_OBJECT_MEMBER(StackTraceElement, line_number_), false);
50  }
51
52  static StackTraceElement* Alloc(Thread* self,
53                                  SirtRef<String>& declaring_class,
54                                  SirtRef<String>& method_name,
55                                  SirtRef<String>& file_name,
56                                  int32_t line_number)
57      SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
58
59  static void SetClass(Class* java_lang_StackTraceElement);
60
61  static void ResetClass();
62
63 private:
64  // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses".
65  String* declaring_class_;
66  String* file_name_;
67  String* method_name_;
68  int32_t line_number_;
69
70  static Class* GetStackTraceElement() {
71    DCHECK(java_lang_StackTraceElement_ != NULL);
72    return java_lang_StackTraceElement_;
73  }
74
75  static Class* java_lang_StackTraceElement_;
76
77  friend struct art::StackTraceElementOffsets;  // for verifying offset information
78  DISALLOW_IMPLICIT_CONSTRUCTORS(StackTraceElement);
79};
80
81}  // namespace mirror
82}  // namespace art
83
84#endif  // ART_RUNTIME_MIRROR_STACK_TRACE_ELEMENT_H_
85