Sorry; that should have been #page=33. On most browser that fragment will take you to the first page of chapter 2. Note that 33 is the page number for the PDF, not the number printed on the page.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Assembler List [ASSEMBLER-LIST@LISTSERV.UGA.EDU] on behalf of Kerry Liles [kerry.li...@gmail.com] Sent: Thursday, January 20, 2022 11:45 AM To: ASSEMBLER-LIST@LISTSERV.UGA.EDU Subject: Re: Saving Caller's 64-bit Regsiters (was: Unsigned Binary Formats) Just FYI, that link to MVS Programming: Assembler Services Guide, SA23-1368-50, < https://www.ibm.com/servers/resourcelink/svc00100.nsf/pages/zOSV2R5sa231368/$file/ieaa600_v2r5.pdf@page=33>, Chapter 2 Linkage Conventions describes some of the choices. should not have the "@page=33" on the end (at least that gave me a 404) so try this: < https://www.ibm.com/servers/resourcelink/svc00100.nsf/pages/zOSV2R5sa231368/$file/ieaa600_v2r5.pdf <https://www.ibm.com/servers/resourcelink/svc00100.nsf/pages/zOSV2R5sa231368/$file/ieaa600_v2r5.pdf@page=33> > On Wed, 19 Jan 2022 at 20:38, Seymour J Metz <sme...@gmu.edu> wrote: > There are several ways, depending on the interface to your routine. z/OS > 2.5 MVS Programming: Assembler Services Guide, SA23-1368-50, < > https://www.ibm.com/servers/resourcelink/svc00100.nsf/pages/zOSV2R5sa231368/$file/ieaa600_v2r5.pdf@page=33>, > Chapter 2 Linkage Conventions describes some of the choices. > > > > -- > Shmuel (Seymour J.) Metz > http://mason.gmu.edu/~smetz3 > > ________________________________________ > From: IBM Mainframe Assembler List [ASSEMBLER-LIST@LISTSERV.UGA.EDU] on > behalf of Dave Clark [dlcl...@winsupplyinc.com] > Sent: Wednesday, January 19, 2022 5:20 PM > To: ASSEMBLER-LIST@LISTSERV.UGA.EDU > Subject: Saving Caller's 64-bit Regsiters (was: Unsigned Binary Formats) > > "IBM Mainframe Assembler List" <ASSEMBLER-LIST@LISTSERV.UGA.EDU> wrote on > 01/19/2022 05:12:36 PM: > > Is register 2 considered volatile for the 64 bit high half? > > > > If not, then how do you know if the macro user will preserve and > > restore the register? > > > There is no macro, but I think I get your point. Although testing > seems to be going just fine at the moment, I guess I better investigate > how to save the caller's registers as 64-bit registers instead of just as > 32-bit registers as I am doing now. Any hints to start my investigation > would be welcome. ;-) > > > Sincerely, > > Dave Clark > -- > int.ext: 91078 > direct: (937) 531-6378 > home: (937) 751-3300 > > Winsupply Group Services > 3110 Kettering Boulevard > Dayton, Ohio 45439 USA > (937) 294-5331 > > > > > > ********************************************************************************************* > This email message and any attachments is for use only by the named > addressee(s) and may contain confidential, privileged and/or proprietary > information. If you have received this message in error, please > immediately notify the sender and delete and destroy the message and all > copies. All unauthorized direct or indirect use or disclosure of this > message is strictly prohibited. No right to confidentiality or privilege > is waived or lost by any error in transmission. > > ********************************************************************************************* >
