My recollection is that only O/C/EOV had Where To Go (WTG) tables/. All type IV, pretty much by definition.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List [[email protected]] on behalf of Joe Monk [[email protected]] Sent: Tuesday, August 24, 2021 12:13 PM To: [email protected] Subject: Re: Relocatability (was: Load Library Module Length ...) IEHIOSUP only applied to Type IV SVCs, IIRC. Joe On Tue, Aug 24, 2021 at 10:28 AM Greg Price <[email protected]> wrote: > On 8/24/2021 8:23 AM, Seymour J Metz wrote: > > OS/360 and OS/VS1 had SVC transient areas. No adcons were allowed in > type 3 and 4 SVC routines. > > 1024-byte storage areas, perhaps? > > PGM=IEHIOSUP anyone? > > Did I get the name right? > It was for zapping TTRs into SYS1.SVCLIB members whenever the members > were moved such as after a compress, IIRC. > > Yep - sure glad I started on MVS and not earlier systems. > Imagine not having TSO (with your own address space) to play on... > > :) > > Cheers, > Greg > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
