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// Copyright 2011 Google Inc. All Rights Reserved.
#ifndef ART_SRC_CALLING_CONVENTION_X86_H_
#define ART_SRC_CALLING_CONVENTION_X86_H_
#include "calling_convention.h"
namespace art {
namespace x86 {
class X86ManagedRuntimeCallingConvention : public ManagedRuntimeCallingConvention {
public:
explicit X86ManagedRuntimeCallingConvention(Method* method) :
ManagedRuntimeCallingConvention(method) {}
virtual ~X86ManagedRuntimeCallingConvention() {}
// 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();
private:
DISALLOW_COPY_AND_ASSIGN(X86ManagedRuntimeCallingConvention);
};
class X86JniCallingConvention : public JniCallingConvention {
public:
explicit X86JniCallingConvention(Method* method) :
JniCallingConvention(method) {}
virtual ~X86JniCallingConvention() {}
// Calling convention
virtual ManagedRegister ReturnRegister();
virtual ManagedRegister InterproceduralScratchRegister();
// JNI calling convention
virtual size_t FrameSize();
virtual size_t ReturnPcOffset();
virtual size_t OutArgSize();
virtual const std::vector<ManagedRegister>& CalleeSaveRegisters() const {
DCHECK(callee_save_regs_.empty());
return callee_save_regs_;
}
virtual ManagedRegister ReturnScratchRegister() const;
virtual uint32_t CoreSpillMask() const {
return 0;
}
virtual uint32_t FpSpillMask() const {
return 0;
}
virtual bool IsMethodRegisterClobberedPreCall();
virtual bool IsCurrentParamInRegister();
virtual bool IsCurrentParamOnStack();
virtual ManagedRegister CurrentParamRegister();
virtual FrameOffset CurrentParamStackOffset();
protected:
virtual size_t NumberOfOutgoingStackArgs();
private:
static std::vector<ManagedRegister> callee_save_regs_;
DISALLOW_COPY_AND_ASSIGN(X86JniCallingConvention);
};
} // namespace x86
} // namespace art
#endif // ART_SRC_CALLING_CONVENTION_X86_H_