/*
* Copyright ( C ) 2020 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_NTERP_H_
#define ART_RUNTIME_INTERPRETER_MTERP_NTERP_H_
#include "base/array_ref.h"
#include "base/globals.h"
#include "base/macros.h"
extern "C" void * artNterpAsmInstructionStart[];
extern "C" void * artNterpAsmInstructionEnd[];
namespace art HIDDEN {
class ArtMethod;
namespace interpreter {
void CheckNterpAsmConstants();
bool IsNterpSupported();
bool CanRuntimeUseNterp();
const void * GetNterpEntryPoint();
const void * GetNterpWithClinitEntryPoint();
ArrayRef<const uint8_t> NterpWithClinitImpl();
ArrayRef<const uint8_t> NterpImpl();
constexpr uint16_t kNterpHotnessValue = 0 ;
// The maximum we allow an nterp frame to be.
constexpr size_t kNterpMaxFrame = 3 * KB;
// The maximum size for each nterp opcode handler.
#if defined (__aarch64__) || defined (__arm__)
constexpr size_t kNterpHandlerSize = 64 ;
#else
constexpr size_t kNterpHandlerSize = 128 ;
#endif
} // namespace interpreter
} // namespace art
#endif // ART_RUNTIME_INTERPRETER_MTERP_NTERP_H_
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