mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
cee8f9ae67
from "llvm/Support/..." that are not llvm dependant. Move files and fix #includes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1400 91177308-0d34-0410-b5e6-96231b3b80d8
77 lines
2.9 KiB
C++
77 lines
2.9 KiB
C++
// $Id$ -*-c++-*-
|
|
//***************************************************************************
|
|
// File:
|
|
// MachineFrameInfo.h
|
|
//
|
|
// Purpose:
|
|
// Interface to layout of stack frame on target machine.
|
|
//
|
|
// History:
|
|
// 11/6/01 - Vikram Adve - Created
|
|
//**************************************************************************/
|
|
|
|
#ifndef LLVM_CODEGEN_FRAMEINFO_H
|
|
#define LLVM_CODEGEN_FRAMEINFO_H
|
|
|
|
#include "Support/NonCopyable.h"
|
|
#include <vector>
|
|
|
|
|
|
//************************* Forward Declarations **************************/
|
|
|
|
class MachineCodeForMethod;
|
|
|
|
|
|
//*************************** External Classes ****************************/
|
|
|
|
|
|
class MachineFrameInfo : public NonCopyableV {
|
|
public:
|
|
const TargetMachine& target;
|
|
|
|
public:
|
|
/*ctor*/ MachineFrameInfo(const TargetMachine& tgt) : target(tgt) {}
|
|
|
|
//
|
|
// These methods provide constant parameters of the frame layout.
|
|
//
|
|
virtual int getStackFrameSizeAlignment () const = 0;
|
|
virtual int getMinStackFrameSize () const = 0;
|
|
virtual int getNumFixedOutgoingArgs () const = 0;
|
|
virtual int getSizeOfEachArgOnStack () const = 0;
|
|
virtual bool argsOnStackHaveFixedSize () const = 0;
|
|
|
|
//
|
|
// These methods compute offsets using the frame contents for a
|
|
// particular method. The frame contents are obtained from the
|
|
// MachineCodeInfoForMethod object for the given method.
|
|
//
|
|
virtual int getFirstIncomingArgOffset (MachineCodeForMethod& mcInfo,
|
|
bool& pos) const=0;
|
|
virtual int getFirstOutgoingArgOffset (MachineCodeForMethod& mcInfo,
|
|
bool& pos) const=0;
|
|
virtual int getFirstOptionalOutgoingArgOffset (MachineCodeForMethod&,
|
|
bool& pos) const=0;
|
|
virtual int getFirstAutomaticVarOffset (MachineCodeForMethod& mcInfo,
|
|
bool& pos) const=0;
|
|
virtual int getRegSpillAreaOffset (MachineCodeForMethod& mcInfo,
|
|
bool& pos) const=0;
|
|
virtual int getTmpAreaOffset (MachineCodeForMethod& mcInfo,
|
|
bool& pos) const=0;
|
|
virtual int getDynamicAreaOffset (MachineCodeForMethod& mcInfo,
|
|
bool& pos) const=0;
|
|
|
|
//
|
|
// These methods specify the base register used for each stack area
|
|
// (generally FP or SP)
|
|
//
|
|
virtual int getIncomingArgBaseRegNum() const=0;
|
|
virtual int getOutgoingArgBaseRegNum() const=0;
|
|
virtual int getOptionalOutgoingArgBaseRegNum() const=0;
|
|
virtual int getAutomaticVarBaseRegNum() const=0;
|
|
virtual int getRegSpillAreaBaseRegNum() const=0;
|
|
virtual int getDynamicAreaBaseRegNum() const=0;
|
|
};
|
|
|
|
#endif
|