Thank you Jim (and Binyamin). I learned something here by examining the prior PC trace entry.
Mike Shaw MVS/QuickRef Support Group Chicago-Soft, Ltd. On Thu, Jan 11, 2024 at 12:32 AM Jim Mulder <[email protected]> wrote: > We don't want to waste the time and space. The caller information is in > the preceding PC trace entry. > > Jim Mulder > > -----Original Message----- > From: IBM Mainframe Discussion List <[email protected]> On Behalf > Of Mike Shaw > Sent: Wednesday, January 10, 2024 5:39 PM > To: [email protected] > Subject: Question on SSRV entries in system trace table > > Anyone, > > The doc on SSRV trace table entries in the "z/OS MVS Diagnosis: Tools and > Service Aids" pub says this: > > PSW----- ADDRESS-return--: > > o For PC/AUTH, supervisor control, and task management: Caller's return > address if the service was entered by a branch; 0 if the service was > entered by a PC instruction > > In a dump I see that a specific IARV64 REQUEST=GETSTOR macro invocation > generates a PC instruction and there is no PSW information in that trace > table entry. Ok. The doc is correct. > > Does anyone know WHY there is no PSW saved in SSRV trace entries for > non-branch-entry system service calls? It makes diagnosis of errors more > difficult... > > Mike Shaw > MVS/QuickRef Support Group > Chicago-Soft, Ltd. > > ---------------------------------------------------------------------- > 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
