This whole thing looks like REXX variable sharing (from “SHV” in the name).

I’m wondering if there’s a completely different way of skinning this cat.

Martin Packer (temporary host to three actual felines) 😊

From: IBM Mainframe Assembler List <[email protected]> on behalf 
of Peter Relson <[email protected]>
Date: Friday, 20 October 2023 at 13:33
To: [email protected] <[email protected]>
Subject: [EXTERNAL] Re: Variable-Length Parameter List Attributes
Regarding "object modules", I'd have said that a lot of (almost all?) 
IBM-supplied products ship that way.
These "object modules" are in what we think of as a "distlib" or "distribution 
library". You will find them on your installing system.

SMP/E (or something) parses the ++MODs in a PTF into object decks that are 
generally individually bound as "object modules" into the distlib. Later the 
bind of distlib object modules (sometimes coupled with existing load modules / 
program objects, but often solely done with object modules) produces the 
requisite load module / program object.

Peter Relson
z/OS Core Technology Design

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