/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_RUNTIME_INTERPRETER_INTERPRETER_H_
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#define ART_RUNTIME_INTERPRETER_INTERPRETER_H_
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#include "base/locks.h"
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#include "dex/dex_file.h"
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#include "obj_ptr.h"
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namespace art {
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namespace mirror {
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class Object;
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} // namespace mirror
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class ArtMethod;
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class CodeItemDataAccessor;
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union JValue;
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class ShadowFrame;
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class Thread;
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enum class DeoptimizationMethodType;
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namespace interpreter {
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// Called by ArtMethod::Invoke, shadow frames arguments are taken from the args array.
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// The optional stay_in_interpreter parameter (false by default) can be used by clients to
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// explicitly force interpretation in the remaining path that implements method invocation.
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extern void EnterInterpreterFromInvoke(Thread* self, ArtMethod* method,
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ObjPtr<mirror::Object> receiver,
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uint32_t* args,
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JValue* result,
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bool stay_in_interpreter = false)
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REQUIRES_SHARED(Locks::mutator_lock_);
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// 'from_code' denotes whether the deoptimization was explicitly triggered by compiled code.
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extern void EnterInterpreterFromDeoptimize(Thread* self,
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ShadowFrame* shadow_frame,
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JValue* ret_val,
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bool from_code,
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DeoptimizationMethodType method_type)
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REQUIRES_SHARED(Locks::mutator_lock_);
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extern JValue EnterInterpreterFromEntryPoint(Thread* self,
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const CodeItemDataAccessor& accessor,
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ShadowFrame* shadow_frame)
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REQUIRES_SHARED(Locks::mutator_lock_);
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void ArtInterpreterToInterpreterBridge(Thread* self,
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const CodeItemDataAccessor& accessor,
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ShadowFrame* shadow_frame,
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JValue* result)
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REQUIRES_SHARED(Locks::mutator_lock_);
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// One-time sanity check.
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void CheckInterpreterAsmConstants();
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void InitInterpreterTls(Thread* self);
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// Returns true if the previous frame has the ForceRetryInstruction bit set. This is required for
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// ForPopFrame to work correctly since that will cause the java function return with null/0 which
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// might not be expected by the code being run.
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bool PrevFrameWillRetry(Thread* self, const ShadowFrame& frame)
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REQUIRES_SHARED(Locks::mutator_lock_);
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} // namespace interpreter
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} // namespace art
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#endif // ART_RUNTIME_INTERPRETER_INTERPRETER_H_
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