RDJFCB + BLDL - look at the "C" value.

On Sat, 26 Nov 2016 19:15:34 -0700 Paul Gilmartin
<[email protected]> wrote:

:>A couple recent threads on IBM-MAIN asked, "How can I tell where
:>my load module came from?" and "How can a Rexx EXEC know where
:>it came from?"
:>
:>The consensus (I call it a consensus because I joined it) is
:>that it's damned hard.  Once a library is OPENed there's little
:>information but the DEB which contains only UCBs and TTRs (well,
:>lotsa other stuff, but it's no help).
:>
:>Yet, HLASM effortlessly produces:
:>  ASMA435I Record 1 in user.ASM(FROMPDS) on volume: 000000
:>
:>It even produces correct information for a macro loaded from
:>a UNIX directory.  How does it do it?  Can this be shared?
:>Made a utility?  (It might go in HLASM TK.)  Does CBTTAPE
:>have something of the sort?
:>
:>And what ever is in the DEB for a UNIX directory!?  (Already
:>raised the question on IBM-MAIN; dead silence.)  Data Areas
:>for DEB doesn't even mention UNIX or HFS or ZFS, but there's
:>got to be something there for BLDL/FIND to get ahold of.
:>
:>HLASM does a good job here.
:>
:>-- gil

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