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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_SIMULATOR_CODE_SIMULATOR_ARM64_H_
     18 #define ART_SIMULATOR_CODE_SIMULATOR_ARM64_H_
     19 
     20 #include "memory"
     21 
     22 // TODO(VIXL): Make VIXL compile with -Wshadow.
     23 #pragma GCC diagnostic push
     24 #pragma GCC diagnostic ignored "-Wshadow"
     25 #include "aarch64/simulator-aarch64.h"
     26 #pragma GCC diagnostic pop
     27 
     28 #include "arch/instruction_set.h"
     29 #include "code_simulator.h"
     30 
     31 namespace art {
     32 namespace arm64 {
     33 
     34 class CodeSimulatorArm64 : public CodeSimulator {
     35  public:
     36   static CodeSimulatorArm64* CreateCodeSimulatorArm64();
     37   virtual ~CodeSimulatorArm64();
     38 
     39   void RunFrom(intptr_t code_buffer) override;
     40 
     41   bool GetCReturnBool() const override;
     42   int32_t GetCReturnInt32() const override;
     43   int64_t GetCReturnInt64() const override;
     44 
     45  private:
     46   CodeSimulatorArm64();
     47 
     48   vixl::aarch64::Decoder* decoder_;
     49   vixl::aarch64::Simulator* simulator_;
     50 
     51   // TODO: Enable CodeSimulatorArm64 for more host ISAs once Simulator supports them.
     52   static constexpr bool kCanSimulate = (kRuntimeISA == InstructionSet::kX86_64);
     53 
     54   DISALLOW_COPY_AND_ASSIGN(CodeSimulatorArm64);
     55 };
     56 
     57 }  // namespace arm64
     58 }  // namespace art
     59 
     60 #endif  // ART_SIMULATOR_CODE_SIMULATOR_ARM64_H_
     61