On Thu, 5 Mar 2009 20:30:20 -0500 Jim Mulder <[email protected]> wrote:
:>IBM Mainframe Discussion List <[email protected]> wrote on 03/05/2009 :>01:47:25 PM: :>> On Thu, 5 Mar 2009 10:31:55 -0600 Walt Farrell <[email protected]> :>wrote: :>> :>On Thu, 5 Mar 2009 16:00:35 +0200, Binyamin Dissen :>> :><[email protected]> wrote: :>> :> :>> :>>I am getting a PIC-4/S0c4 in IEANUC01.IEATTIME+04FE with the PSW in :>31 bit :>> :>>mode. Backtracking in the dump I see it doing an EREG 1,1 when :>itshould be :>> :>>doing an EREGG if it supports 64bit. :>> :> :>> :>According to the book, only a limited set of MVS assembler programming :>> :>services support invocation in 64-bit addressing mode, and only a more :>> :>limited set of the services support parameters above the bar. :>> :> :>> :>See :>> :>http://publibz.boulder.ibm.com/cgi- :>bin/bookmgr_OS390/BOOKS/IEA2A990/1.2?SHELF=EZ2ZO10L&DT=20080601235844&CASE= :>> :> :>> :>or http://preview.tinyurl.com/b9alno :>> Maybe I am missing something obvious, but what is the big deal in that a :>PC :>> routine supports a 64 bit caller if it can't support 64 bit parameters? :> I did not see anything in the book which makes judgements as to what :>is or is not a "big deal". The book simply states facts about interfaces. :> In many cases, an SVC or Stacking PC routine can support a 64-bit :>addressing mode caller without any changes to the routine. Wouldn't that be in all cases? I don't see anything in the definition of an SVC or stacking-PC where one would specify that the caller is allowed (or not allowed) to be 64bit. :>Supporting 64-bit parameters usually requires significant changes to :>the routine. Obviously. -- Binyamin Dissen <[email protected]> http://www.dissensoftware.com Director, Dissen Software, Bar & Grill - Israel Should you use the mailblocks package and expect a response from me, you should preauthorize the dissensoftware.com domain. I very rarely bother responding to challenge/response systems, especially those from irresponsible companies. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
