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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ART_RUNTIME_SIMULATOR_CODE_SIMULATOR_ARM64_H_
     18 #define ART_RUNTIME_SIMULATOR_CODE_SIMULATOR_ARM64_H_
     19 
     20 #include "memory"
     21 #include "simulator/code_simulator.h"
     22 // TODO: make vixl clean wrt -Wshadow.
     23 #pragma GCC diagnostic push
     24 #pragma GCC diagnostic ignored "-Wshadow"
     25 #include "vixl/a64/simulator-a64.h"
     26 #pragma GCC diagnostic pop
     27 
     28 namespace art {
     29 namespace arm64 {
     30 
     31 class CodeSimulatorArm64 : public CodeSimulator {
     32  public:
     33   static CodeSimulatorArm64* CreateCodeSimulatorArm64();
     34   virtual ~CodeSimulatorArm64();
     35 
     36   void RunFrom(intptr_t code_buffer) OVERRIDE;
     37 
     38   bool GetCReturnBool() const OVERRIDE;
     39   int32_t GetCReturnInt32() const OVERRIDE;
     40   int64_t GetCReturnInt64() const OVERRIDE;
     41 
     42  private:
     43   CodeSimulatorArm64();
     44 
     45   vixl::Decoder* decoder_;
     46   vixl::Simulator* simulator_;
     47 
     48   // TODO: Enable CodeSimulatorArm64 for more host ISAs once vixl::Simulator supports them.
     49   static constexpr bool kCanSimulate = (kRuntimeISA == kX86_64);
     50 
     51   DISALLOW_COPY_AND_ASSIGN(CodeSimulatorArm64);
     52 };
     53 
     54 }  // namespace arm64
     55 }  // namespace art
     56 
     57 #endif  // ART_RUNTIME_SIMULATOR_CODE_SIMULATOR_ARM64_H_
     58