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/*
* 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 {
GcRoot<Class> StackTraceElement::java_lang_StackTraceElement_;
void StackTraceElement::SetClass(Class* java_lang_StackTraceElement) {
CHECK(java_lang_StackTraceElement_.IsNull());
CHECK(java_lang_StackTraceElement != NULL);
java_lang_StackTraceElement_ = GcRoot<Class>(java_lang_StackTraceElement);
}
void StackTraceElement::ResetClass() {
CHECK(!java_lang_StackTraceElement_.IsNull());
java_lang_StackTraceElement_ = GcRoot<Class>(nullptr);
}
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) {
java_lang_StackTraceElement_.VisitRootIfNonNull(callback, arg, RootInfo(kRootStickyClass));
}
} // namespace mirror
} // namespace art
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