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Support for locating of debug items in frames.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26984 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey 2006-03-23 18:01:12 +00:00
parent 108a638b5a
commit 60f27ff879
1 changed files with 64 additions and 0 deletions
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64
include/llvm/CodeGen/MachineLocation.h Normal file
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//===-- llvm/CodeGen/MachineLocation.h --------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by James M. Laskey and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// The MachineLocation class is used to represent a simple location in a machine
// frame. Locations will be one of two forms; a register or an address formed
// from a base address plus an offset.
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_MACHINELOCATION_H
#define LLVM_CODEGEN_MACHINELOCATION_H
namespace llvm {
class MachineLocation {
private:
bool IsRegister; // True if location is a register.
unsigned Register; // gcc/gdb register number.
int Offset; // Displacement if not register.
public:
MachineLocation()
: IsRegister(false)
, Register(0)
, Offset(0)
{}
MachineLocation(unsigned R)
: IsRegister(true)
, Register(R)
, Offset(0)
{}
MachineLocation(unsigned R, int O)
: IsRegister(false)
, Register(R)
, Offset(0)
{}
// Accessors
bool isRegister() const { return IsRegister; }
unsigned getRegister() const { return Register; }
int getOffset() const { return Offset; }
void setIsRegister(bool Is) { IsRegister = Is; }
void setRegister(unsigned R) { Register = R; }
void setOffset(int O) { Offset = O; }
void set(unsigned R) {
IsRegister = true;
Register = R;
Offset = 0;
}
void set(unsigned R, int O) {
IsRegister = false;
Register = R;
Offset = O;
}
};
} // End llvm namespace
#endif