mirror of
https://github.com/jeremysrand/llvm-65816.git
synced 2024-06-07 19:29:33 +00:00
61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
//===-- WDC65816Subtarget.h - Define Subtarget for the WDC65816 -*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file declares the WDC65816 specific subclass of TargetSubtargetInfo.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef WDC65816_SUBTARGET_H
|
|
#define WDC65816_SUBTARGET_H
|
|
|
|
#include "llvm/Target/TargetSubtargetInfo.h"
|
|
#include <string>
|
|
|
|
#define GET_SUBTARGETINFO_HEADER
|
|
#include "WDC65816GenSubtargetInfo.inc"
|
|
|
|
namespace llvm {
|
|
class StringRef;
|
|
|
|
class WDC65816Subtarget : public WDC65816GenSubtargetInfo {
|
|
virtual void anchor();
|
|
|
|
public:
|
|
WDC65816Subtarget(const std::string &TT, const std::string &CPU,
|
|
const std::string &FS);
|
|
|
|
|
|
/// ParseSubtargetFeatures - Parses features string setting specified
|
|
/// subtarget options. Definition of function is auto generated by tblgen.
|
|
void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
|
|
|
|
bool is64Bit() const { return false; }
|
|
std::string getDataLayout() const {
|
|
return std::string("e-p:32:8:8-i16:8:8-f32:8:8-f68:8:8-n16");
|
|
}
|
|
|
|
#if 0 // WDC_TODO - do I need any of this?
|
|
/// The 64-bit ABI uses biased stack and frame pointers, so the stack frame
|
|
/// of the current function is the area from [%sp+BIAS] to [%fp+BIAS].
|
|
int64_t getStackPointerBias() const {
|
|
return is64Bit() ? 2047 : 0;
|
|
}
|
|
|
|
/// Given a actual stack size as determined by FrameInfo, this function
|
|
/// returns adjusted framesize which includes space for register window
|
|
/// spills and arguments.
|
|
int getAdjustedFrameSize(int stackSize) const;
|
|
#endif
|
|
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif
|