public bool VisitReturn(RtlReturn ret)
{
if ((ret.Class & RtlClass.Delay) != 0)
{
// Get next instruction cluster from the delay slot.
rtlStream.MoveNext();
ProcessRtlCluster(rtlStream.Current);
}
var proc = blockCur.Procedure;
Emit(new ReturnInstruction());
proc.ControlGraph.AddEdge(blockCur, proc.ExitBlock);
int returnAddressBytes = ret.ReturnAddressBytes;
var address = ric.Address;
scanner.SetProcedureReturnAddressBytes(proc, returnAddressBytes, address);
int stackDelta = ret.ReturnAddressBytes + ret.ExtraBytesPopped;
if (proc.Signature.StackDelta != 0 && proc.Signature.StackDelta != stackDelta)
{
scanner.Warn(
ric.Address,
"Multiple different values of stack delta in procedure {0} when processing RET instruction; was {1} previously.",
proc.Name,
proc.Signature.StackDelta);
}
else
{
proc.Signature.StackDelta = stackDelta;
}
state.OnProcedureLeft(proc.Signature);
scanner.TerminateBlock(blockCur, rtlStream.Current.Address + ric.Length);
return(false);
}