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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