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/*
* Copyright (C) 2012 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_INTERPRETER_INTERPRETER_H_
#define ART_RUNTIME_INTERPRETER_INTERPRETER_H_
#include "base/mutex.h"
#include "dex/dex_file.h"
#include "obj_ptr.h"
namespace art {
namespace mirror {
class Object;
} // namespace mirror
class ArtMethod;
class CodeItemDataAccessor;
union JValue;
class ShadowFrame;
class Thread;
enum class DeoptimizationMethodType;
namespace interpreter {
// Called by ArtMethod::Invoke, shadow frames arguments are taken from the args array.
// The optional stay_in_interpreter parameter (false by default) can be used by clients to
// explicitly force interpretation in the remaining path that implements method invocation.
extern void EnterInterpreterFromInvoke(Thread* self, ArtMethod* method,
ObjPtr<mirror::Object> receiver,
uint32_t* args,
JValue* result,
bool stay_in_interpreter = false)
REQUIRES_SHARED(Locks::mutator_lock_);
// 'from_code' denotes whether the deoptimization was explicitly triggered by compiled code.
extern void EnterInterpreterFromDeoptimize(Thread* self,
ShadowFrame* shadow_frame,
JValue* ret_val,
bool from_code,
DeoptimizationMethodType method_type)
REQUIRES_SHARED(Locks::mutator_lock_);
extern JValue EnterInterpreterFromEntryPoint(Thread* self,
const CodeItemDataAccessor& accessor,
ShadowFrame* shadow_frame)
REQUIRES_SHARED(Locks::mutator_lock_);
void ArtInterpreterToInterpreterBridge(Thread* self,
const CodeItemDataAccessor& accessor,
ShadowFrame* shadow_frame,
JValue* result)
REQUIRES_SHARED(Locks::mutator_lock_);
// One-time sanity check.
void CheckInterpreterAsmConstants();
void InitInterpreterTls(Thread* self);
// Returns true if the previous frame has the ForceRetryInstruction bit set. This is required for
// ForPopFrame to work correctly since that will cause the java function return with null/0 which
// might not be expected by the code being run.
bool PrevFrameWillRetry(Thread* self, const ShadowFrame& frame)
REQUIRES_SHARED(Locks::mutator_lock_);
} // namespace interpreter
} // namespace art
#endif // ART_RUNTIME_INTERPRETER_INTERPRETER_H_