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/*
* Copyright (C) 2013 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.
*/
#ifndef ART_RUNTIME_THROW_LOCATION_H_
#define ART_RUNTIME_THROW_LOCATION_H_
#include "object_callbacks.h"
#include "base/macros.h"
#include "base/mutex.h"
#include "gc_root.h"
#include <stdint.h>
#include <string>
namespace art {
namespace mirror {
class ArtMethod;
class Object;
} // mirror
class PACKED(4) ThrowLocation {
public:
ThrowLocation() {
Clear();
}
ThrowLocation(mirror::Object* throw_this_object, mirror::ArtMethod* throw_method,
uint32_t throw_dex_pc) :
this_object_(throw_this_object),
method_(throw_method),
dex_pc_(throw_dex_pc)
#ifdef __LP64__
, pad_(0)
#endif
{
#ifdef __LP64__
UNUSED(pad_);
#endif
}
mirror::Object* GetThis() const {
return this_object_;
}
mirror::ArtMethod* GetMethod() const {
return method_;
}
uint32_t GetDexPc() const {
return dex_pc_;
}
void Clear() {
this_object_ = NULL;
method_ = NULL;
dex_pc_ = -1;
}
std::string Dump() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void VisitRoots(RootCallback* visitor, void* arg);
private:
// The 'this' reference of the throwing method.
mirror::Object* this_object_;
// The throwing method.
mirror::ArtMethod* method_;
// The instruction within the throwing method.
uint32_t dex_pc_;
// Ensure 8byte alignment on 64bit.
#ifdef __LP64__
uint32_t pad_;
#endif
};
} // namespace art
#endif // ART_RUNTIME_THROW_LOCATION_H_