Reko.Scanning.Scanner.CreateCallRetThunk C# (CSharp) Method

        public Block CreateCallRetThunk(Address addrFrom, Procedure procOld, Procedure procNew)
        {
            //$BUG: ReturnAddressOnStack property needs to be properly set, the
            // EvenOdd sample shows how this doesn't work currently. 
            var blockName = string.Format(
                "{0}_thunk_{1}", 
                Block.GenerateName(addrFrom),
                procNew.Name);
            var callRetThunkBlock = procOld.AddBlock(blockName);
            callRetThunkBlock.IsSynthesized = true;

            var linFrom = addrFrom.ToLinear();
            callRetThunkBlock.Statements.Add(
                addrFrom.ToLinear(), 
                new CallInstruction(
                    new ProcedureConstant(program.Platform.PointerType, procNew),
                    new CallSite(
                        procNew.Signature.ReturnAddressOnStack,
                        0)));
            program.CallGraph.AddEdge(callRetThunkBlock.Statements.Last, procNew);

            callRetThunkBlock.Statements.Add(linFrom, new ReturnInstruction());
            procOld.ControlGraph.AddEdge(callRetThunkBlock, procOld.ExitBlock);
            SetProcedureReturnAddressBytes(procOld, procNew.Frame.ReturnAddressSize, addrFrom);
            return callRetThunkBlock;
        }