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+/*
+ * Copyright (C) 2014 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_COMPILER_JNI_QUICK_ARM64_CALLING_CONVENTION_ARM64_H_
+#define ART_COMPILER_JNI_QUICK_ARM64_CALLING_CONVENTION_ARM64_H_
+
+#include "jni/quick/calling_convention.h"
+
+namespace art {
+namespace arm64 {
+
+class Arm64ManagedRuntimeCallingConvention : public ManagedRuntimeCallingConvention {
+ public:
+ Arm64ManagedRuntimeCallingConvention(bool is_static, bool is_synchronized, const char* shorty)
+ : ManagedRuntimeCallingConvention(is_static, is_synchronized, shorty) {}
+ virtual ~Arm64ManagedRuntimeCallingConvention() {}
+ // Calling convention
+ virtual ManagedRegister ReturnRegister();
+ virtual ManagedRegister InterproceduralScratchRegister();
+ // Managed runtime calling convention
+ virtual ManagedRegister MethodRegister();
+ virtual bool IsCurrentParamInRegister();
+ virtual bool IsCurrentParamOnStack();
+ virtual ManagedRegister CurrentParamRegister();
+ virtual FrameOffset CurrentParamStackOffset();
+ virtual const std::vector<ManagedRegister>& EntrySpills();
+
+ private:
+ std::vector<ManagedRegister> entry_spills_;
+
+ DISALLOW_COPY_AND_ASSIGN(Arm64ManagedRuntimeCallingConvention);
+};
+
+class Arm64JniCallingConvention : public JniCallingConvention {
+ public:
+ explicit Arm64JniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
+ virtual ~Arm64JniCallingConvention() {}
+ // Calling convention
+ virtual ManagedRegister ReturnRegister();
+ virtual ManagedRegister IntReturnRegister();
+ virtual ManagedRegister InterproceduralScratchRegister();
+ // JNI calling convention
+ virtual void Next(); // Override default behavior for AAPCS
+ virtual size_t FrameSize();
+ virtual size_t OutArgSize();
+ virtual const std::vector<ManagedRegister>& CalleeSaveRegisters() const {
+ return callee_save_regs_;
+ }
+ virtual ManagedRegister ReturnScratchRegister() const;
+ virtual uint32_t CoreSpillMask() const;
+ virtual uint32_t FpSpillMask() const {
+ return 0; // Floats aren't spilled in JNI down call
+ }
+ virtual bool IsCurrentParamInRegister();
+ virtual bool IsCurrentParamOnStack();
+ virtual ManagedRegister CurrentParamRegister();
+ virtual FrameOffset CurrentParamStackOffset();
+
+ protected:
+ virtual size_t NumberOfOutgoingStackArgs();
+
+ private:
+ // TODO: these values aren't unique and can be shared amongst instances
+ std::vector<ManagedRegister> callee_save_regs_;
+
+ // Padding to ensure longs and doubles are not split in AAPCS
+ size_t padding_;
+
+ DISALLOW_COPY_AND_ASSIGN(Arm64JniCallingConvention);
+};
+
+} // namespace arm64
+} // namespace art
+
+#endif // ART_COMPILER_JNI_QUICK_ARM64_CALLING_CONVENTION_ARM64_H_