Revert "Revert "Introduce support for hardware simulators, starting with ARM64""
This reverts commit 4cd27d64b0bbdde61fa3f6674ceb24221853ac2c.
This depends on VIXL 1.11.
Change-Id: I402c1fd6bbb218ba80ef8e59af203c9276151059
diff --git a/runtime/simulator/code_simulator.h b/runtime/simulator/code_simulator.h
new file mode 100644
index 0000000..bd48909
--- /dev/null
+++ b/runtime/simulator/code_simulator.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2015 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_SIMULATOR_CODE_SIMULATOR_H_
+#define ART_RUNTIME_SIMULATOR_CODE_SIMULATOR_H_
+
+#include "arch/instruction_set.h"
+
+namespace art {
+
+class CodeSimulator {
+ public:
+ CodeSimulator() {}
+ virtual ~CodeSimulator() {}
+ // Returns a null pointer if a simulator cannot be found for target_isa.
+ static CodeSimulator* CreateCodeSimulator(InstructionSet target_isa);
+
+ virtual void RunFrom(intptr_t code_buffer) = 0;
+
+ // Get return value according to C ABI.
+ virtual bool GetCReturnBool() const = 0;
+ virtual int32_t GetCReturnInt32() const = 0;
+ virtual int64_t GetCReturnInt64() const = 0;
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(CodeSimulator);
+};
+
+extern "C" CodeSimulator* CreateCodeSimulator(InstructionSet target_isa);
+
+} // namespace art
+
+#endif // ART_RUNTIME_SIMULATOR_CODE_SIMULATOR_H_