private static bool FuncFind(Stream onstream, asmChunk fromfunction, uint required_stacksize, bool backwards, out asmInstruction found)
{
asmChunk curfunc;
found = null;
while (fromfunction.FindByType(x86_insn_type.insn_call, backwards, out found))
{
onstream.Position = found.ReadAddressOperand();
curfunc = disassembler.disassemble_chunk(onstream);
if (StackSize(curfunc) == required_stacksize)
{
return(true);
}
fromfunction.MoveNext();
}
return(false);
}
private static uint StackSize(asmChunk tocheck)
{
asmOperand curop;
asmInstruction found;
tocheck.ToStart();
if (tocheck.FindByType(x86_insn_type.insn_return, false, out found))
{
for (int i = 0; i < found.Operands.Count; i++)
{
curop = found.Operands[i];
if (curop.Type == x86_op_type.op_immediate)
{
return((uint)curop.Data);
}
}
}
return(0);
}