public IEnumerable <DataBufferUint> GetUintEnumerator()
{
// This iterator works from the bottom of the stack
// upwards, just like Symbian OS/ARM stack allocation
//
//
// Count = 12
//
// [0123][4567][89AB]
//
int count = iData.Count;
//
for (int i = count - 4; i >= 0; i -= 4)
{
DataBufferByte e0 = iData[i + 0];
DataBufferByte e1 = iData[i + 1];
DataBufferByte e2 = iData[i + 2];
DataBufferByte e3 = iData[i + 3];
//
uint value = Combine(e0, e1, e2, e3);
DataBufferUint ret = new DataBufferUint(value, e0.Address);
yield return(ret);
}
}
private uint UpdateUsingOffsetFromStackTop(ArmRegister aSp, DataBuffer aStackData)
{
uint stackTop = aStackData.Last.Address + 1;
uint offset = OffsetAsDWord;
uint fetchAddr = stackTop - offset;
DataBufferUint val = aStackData[fetchAddr];
return(val);
}
private uint UpdateUsingOffsetFromSp(ArmRegister aSp, DataBuffer aStackData)
{
uint sp = aSp;
uint offset = OffsetAsDWord;
uint fetchAddr = offset + sp;
DataBufferUint val = aStackData[fetchAddr];
return(val);
}
public DataBufferUint this[uint aAddress]
{
get
{
DataBufferUint ret = new DataBufferUint(0, aAddress);
//
foreach (DataBufferUint uintEntry in GetUintEnumerator())
{
if (uintEntry.Address == aAddress)
{
ret = uintEntry;
break;
}
}
//
return(ret);
}
}
uint IArmStackInterface.StackValueAtAddress(uint aAddress)
{
DataBufferUint entry = base.SourceData[aAddress];
return(entry.Uint);
}
