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/*
* Copyright (C) 2016 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_MTERP_MTERP_H_
#define ART_RUNTIME_INTERPRETER_MTERP_MTERP_H_
#include <cstddef>
#include <cstdint>
#include "base/globals.h"
/*
* Mterp assembly handler bases
*/
extern "C" void* artMterpAsmInstructionStart[];
extern "C" void* artMterpAsmInstructionEnd[];
extern "C" void* artNterpAsmInstructionStart[];
extern "C" void* artNterpAsmInstructionEnd[];
namespace art {
class ArtMethod;
class Thread;
namespace interpreter {
void InitMterpTls(Thread* self);
void CheckMterpAsmConstants();
void CheckNterpAsmConstants();
bool CanUseMterp();
bool IsNterpSupported();
bool CanRuntimeUseNterp();
bool CanMethodUseNterp(ArtMethod* method);
const void* GetNterpEntryPoint();
// Poison value for TestExportPC. If we segfault with this value, it means that a mterp
// handler for a recent opcode failed to export the Dalvik PC prior to a possible exit from
// the mterp environment.
constexpr uintptr_t kExportPCPoison = 0xdead00ff;
// Set true to enable poison testing of ExportPC. Uses Alt interpreter.
constexpr bool kTestExportPC = false;
constexpr size_t kMterpHandlerSize = 128;
// The maximum we will allow an nterp frame to be.
constexpr size_t kMaxNterpFrame = 3 * KB;
} // namespace interpreter
} // namespace art
#endif // ART_RUNTIME_INTERPRETER_MTERP_MTERP_H_
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