public x86GRegLocation GetGRegister(int Size)
{
var Ret = (x86GRegLocation)null;
if (NextMaybeHighByte)
{
if (Size == 1)
{
var Reg = Options.GRegisters[GRegisterIndex];
Ret = new x86GRegLocation(Arch, Reg, 1, 1);
}
NextMaybeHighByte = false;
GRegisterIndex++;
}
if (Ret == null)
{
if (GRegisterIndex >= Options.GRegisters.Length)
{
return(null);
}
var Reg = Options.GRegisters[GRegisterIndex];
if (Options.AllowPartRegisters && Size == 1 && Arch.IsGRegisterExists(GRegisterIndex, 1, 1))
{
Ret = new x86GRegLocation(Arch, Reg, Size);
NextMaybeHighByte = true;
}
else
{
Ret = new x86GRegLocation(Arch, Reg, Size);
GRegisterIndex++;
}
}
if (StoredDataList != null)
{
StoredDataList.GRegisters.SetUsed(Ret);
}
return(Ret);
}
private static x86MemoryLocation GetIndexerPosition(x86Architecture Arch, x86DataLocation Address,
x86GRegLocation AddressTempGReg, x86DataLocation Offset, x86GRegLocation OffsetTempGReg,
int Size, int Displacement = 0, byte Scale = 1)
{
if (Offset != null && Address.Size != Offset.Size)
{
throw new ApplicationException();
}
var Ret = new x86IndexLocation(Arch, 0, Size, null);
if (!Ret.Add(Address, AddressTempGReg))
{
return(null);
}
if (Offset != null && !Ret.Add(Offset, OffsetTempGReg, Scale))
{
return(null);
}
Ret.Offset += Displacement;
return(Ret);
}
public void SetUsed(x86GRegLocation Pos)
{
SetUsed(Pos.Index, Pos.Mask);
}
public bool IsFree(x86GRegLocation Pos)
{
return(UsedRegs[Pos.Index].IsFree(Pos.Mask));
}
public void SetUsed(x86GRegLocation Pos)
{
GRegisters.SetUsed(Pos);
}
