On Tue, Jun 25, 2013 at 10:32 AM, Tom Marchant <[email protected]>wrote:
> On Tue, 25 Jun 2013 10:20:01 -0500, John McKown wrote: > > >On Tue, Jun 25, 2013 at 9:56 AM, Tom Marchant wrote: > > > >> On Tue, 25 Jun 2013 08:15:46 -0500, John McKown wrote: > > >> >4) What about not using a save area at all? > >> > >> Please don't do that. > >> > > > >Looks like I'm going to be forced to. That is, use the caller's save area > >and not set up one of my own. > > In that case, I would strongly advise setting register 13 to zero upon > entry so that, if someone changes it to make a call it will abend. > You can save its value in some other register. > Good idea. I'll see if I have a "spare" register to hold "R13 at entry". > > -- > > Tom Marchant > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > -- This is a test of the Emergency Broadcast System. If this had been an actual emergency, do you really think we'd stick around to tell you? Maranatha! <>< John McKown ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
