blob: c00cf916a8d97a3ee91667b4e352b1e97ff44ecf [file] [log] [blame]
/*
* 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(ObjPtr<Class> java_lang_StackTraceElement) {
CHECK(java_lang_StackTraceElement_.IsNull());
CHECK(java_lang_StackTraceElement != nullptr);
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) {
ObjPtr<StackTraceElement> trace =
ObjPtr<StackTraceElement>::DownCast(GetStackTraceElement()->AllocObject(self));
if (LIKELY(trace != nullptr)) {
if (Runtime::Current()->IsActiveTransaction()) {
trace->Init<true>(declaring_class.Get(), method_name.Get(), file_name.Get(), line_number);
} else {
trace->Init<false>(declaring_class.Get(), method_name.Get(), file_name.Get(), line_number);
}
}
return trace.Ptr();
}
template<bool kTransactionActive>
void StackTraceElement::Init(ObjPtr<String> declaring_class,
ObjPtr<String> method_name,
ObjPtr<String> file_name,
int32_t line_number) {
SetFieldObject<kTransactionActive>(OFFSET_OF_OBJECT_MEMBER(StackTraceElement, declaring_class_),
declaring_class);
SetFieldObject<kTransactionActive>(OFFSET_OF_OBJECT_MEMBER(StackTraceElement, method_name_),
method_name);
SetFieldObject<kTransactionActive>(OFFSET_OF_OBJECT_MEMBER(StackTraceElement, file_name_),
file_name);
SetField32<kTransactionActive>(OFFSET_OF_OBJECT_MEMBER(StackTraceElement, line_number_),
line_number);
}
void StackTraceElement::VisitRoots(RootVisitor* visitor) {
java_lang_StackTraceElement_.VisitRootIfNonNull(visitor, RootInfo(kRootStickyClass));
}
} // namespace mirror
} // namespace art