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