Oh I see. I'd like to direct you to scottstef's How to ask questions the smart way. and jeffa's How (Not) To Ask A Question. What you've posted so far is very unhelpful. At a bare minimum you should include your program text (or more likely just the part that fails) and a description of the errors you get.

__SIG__
printf "You are here %08x\n", unpack "L!", unpack "P4", pack "L!", B::svref_2object(sub{})->OUTSIDE