Look at the binder CHANGE directive On Wed, 15 Apr 2020 15:43:49 -0400 Phil Smith III <[email protected]> wrote:
:>I have a use case that's reasonable enough that it might be supported, yet odd enough that I'd be unsurprised if it isn't. :> :> :> :>Suppose we have a function called AX that we call. At times it would be useful to be able to relink a program that calls AX to add a "shim"-let's call it AXPRIME-between the program and AX. Yet we don't want to change that program code, just relink it (or point at a different library and make a dynamic call to AX). :> :> :> :>Ideally, we could tell the linker "OK, load deck AXPRIME [which has entry point AX defined]; now include deck AX but rename entry point AX in that deck to AXMINUS". And the AXPRIME code would call AXMINUS to do what AX usually does. :> :> :> :>The alternative-hacking AX itself-is of course possible but undesirable, because we don't want the shim functionality to be there all the time, as it represents a security hole. The shim is added explicitly when needed, so it's a "your gun, your foot" deal. :> :> :> :>Anyone know whether this is possible with IEWL or anything else? :> :> :>---------------------------------------------------------------------- :>For IBM-MAIN subscribe / signoff / archive access instructions, :>send email to [email protected] with the message: INFO IBM-MAIN -- Binyamin Dissen <[email protected]> http://www.dissensoftware.com Director, Dissen Software, Bar & Grill - Israel Should you use the mailblocks package and expect a response from me, you should preauthorize the dissensoftware.com domain. I very rarely bother responding to challenge/response systems, especially those from irresponsible companies. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
