1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "stack_trace_element.h"
#include "class.h"
#include "class-inl.h"
#include "gc/accounting/card_table-inl.h"
#include "object-inl.h"
#include "handle_scope-inl.h"
#include "string.h"
namespace art {
namespace mirror {
Class* StackTraceElement::java_lang_StackTraceElement_ = NULL;
void StackTraceElement::SetClass(Class* java_lang_StackTraceElement) {
CHECK(java_lang_StackTraceElement_ == NULL);
CHECK(java_lang_StackTraceElement != NULL);
java_lang_StackTraceElement_ = java_lang_StackTraceElement;
}
void StackTraceElement::ResetClass() {
CHECK(java_lang_StackTraceElement_ != NULL);
java_lang_StackTraceElement_ = NULL;
}
StackTraceElement* StackTraceElement::Alloc(Thread* self,
Handle<String>& declaring_class,
Handle<String>& method_name,
Handle<String>& file_name,
int32_t line_number) {
StackTraceElement* trace =
down_cast<StackTraceElement*>(GetStackTraceElement()->AllocObject(self));
if (LIKELY(trace != NULL)) {
if (Runtime::Current()->IsActiveTransaction()) {
trace->Init<true>(declaring_class, method_name, file_name, line_number);
} else {
trace->Init<false>(declaring_class, method_name, file_name, line_number);
}
}
return trace;
}
template<bool kTransactionActive>
void StackTraceElement::Init(Handle<String>& declaring_class, Handle<String>& method_name,
Handle<String>& file_name, int32_t line_number) {
SetFieldObject<kTransactionActive>(OFFSET_OF_OBJECT_MEMBER(StackTraceElement, declaring_class_),
declaring_class.Get());
SetFieldObject<kTransactionActive>(OFFSET_OF_OBJECT_MEMBER(StackTraceElement, method_name_),
method_name.Get());
SetFieldObject<kTransactionActive>(OFFSET_OF_OBJECT_MEMBER(StackTraceElement, file_name_),
file_name.Get());
SetField32<kTransactionActive>(OFFSET_OF_OBJECT_MEMBER(StackTraceElement, line_number_),
line_number);
}
void StackTraceElement::VisitRoots(RootCallback* callback, void* arg) {
if (java_lang_StackTraceElement_ != nullptr) {
callback(reinterpret_cast<mirror::Object**>(&java_lang_StackTraceElement_), arg, 0,
kRootStickyClass);
}
}
} // namespace mirror
} // namespace art
|
