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- Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
- Path: sparky!uunet!paladin.american.edu!auvm!ANLVM.CTD.ANL.GOV!B19141
- Message-ID: <IBM-MAIN%92112013184760@RICEVM1.RICE.EDU>
- Newsgroups: bit.listserv.ibm-main
- Date: Fri, 20 Nov 1992 13:13:51 CST
- Sender: IBM Mainframe Discussion list <IBM-MAIN@RICEVM1.BITNET>
- From: Barry Finkel <B19141@ANLVM.CTD.ANL.GOV>
- Subject: IEFBR14 - Extra Credit
- Lines: 19
-
- >(a) Originally, IEFBR14 did only a "BR 14". It did not set a
- > return code of any kind in register 15. Therefore, a PTF
- > was issued to add the "SR 15,15" prior to the "BR 14". Thus,
- > the size of IEFBR14 was doubled overnight. :-)
- Yes and no -- The size of the IEFBR14 code increased from two bytes
- to four, but the size of the load module remained at the minimum 8
- bytes.
-
- >(b) It was not originally link-edited as being refreshable and
- > reusuable. Another PTF was issued (or so the story goes) to
- > relink-edit IEFBR14 with those attributes.
- I had not heard that. I will see if I can check that.
- ----------------------------------------------------------------------------
- Barry S. Finkel
- Computing and Telecommunications Division
- Argonne National Laboratory BITNET: B19141@ANLVM
- 9700 South Cass Avenue Internet: B19141@ANLVM.CTD.ANL.GOV
- Building 221, Room B223 Phone: (708) 252-7277
- Argonne, IL 60439-4844 Facsimile:(708) 252-5983
-