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/*
* Copyright (C) 2011 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_ARM_CALLING_CONVENTION_ARM_H_
#define ART_COMPILER_JNI_QUICK_ARM_CALLING_CONVENTION_ARM_H_
#include "jni/quick/calling_convention.h"
namespace art {
namespace arm {
class ArmManagedRuntimeCallingConvention : public ManagedRuntimeCallingConvention {
public:
ArmManagedRuntimeCallingConvention(bool is_static, bool is_synchronized, const char* shorty)
: ManagedRuntimeCallingConvention(is_static, is_synchronized, shorty) {}
virtual ~ArmManagedRuntimeCallingConvention() {}
// 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(ArmManagedRuntimeCallingConvention);
};
class ArmJniCallingConvention : public JniCallingConvention {
public:
explicit ArmJniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
virtual ~ArmJniCallingConvention() {}
// 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(ArmJniCallingConvention);
};
} // namespace arm
} // namespace art
#endif // ART_COMPILER_JNI_QUICK_ARM_CALLING_CONVENTION_ARM_H_
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