Thanks.I still have to wonder why anyone would use that instead of just
recompiling with DYNAM. With IGZBRDGE you still have to re-link, so why not
recompile as well? Ah well, water way under the bridge I guess!
Frank
From: Bob Rutledge <[email protected]>
To: [email protected]
Sent: Monday, December 15, 2014 8:51 PM
Subject: Re: COBOL IGZBRDGE
Frank Swarbrick wrote:
> We got an interesting note from one of our vendors. They are using the
> IGZEBRG module (which I guess is invoked from the IGZBRDGE macro, though they
> don't seem to actually use the macro itself) for dynamic calls and are going
> to have to make "invasive changes" in order to get around the fact that this
> is not supported in COBOL 5.
> We never used this feature in our own internal programs. Where can I find
> out more about how it worked and what the migration path away from it is/was?
> I can't seem to find much about it on the internet. I assume that's because
> it's really a COBOL II feature.
>>From what I can tell by looking at the macro (in CEE.SCEEMAC) and its
>>resulting usage it looks like its used to create an object module with entry
>>points for any routine where you want to use a static call and yet have the
>>actual modules called/loaded dynamically. I am curious about the history
>>behind it. Why would this have been used instead of just specifying the
>>COBOL DYNAM option so that a "call literal" does a dynamic call instead of a
>>static call?
> Not that it matters in the end; I'm just wondering about its history. And
> I'm wondering how long ago this vendor should have stopped using it. :-)
Start here:
http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/Shelves/IGYSH007?SEARCHREQUEST=cobol+ii&TYPE=FUZZY&RANK=RANK&SEARCHTOPIC=TOPIC&SEARCHTEXT=TEXT&SEARCHINDEX=INDEX&CASE=alcse913
It's described in the APG for MVS & CMS.
Bob
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