It’s 2012 Thanks
> On Jan 10, 2024, at 2:45 PM, Tom Marchant > <0000000a2a8c2020-dmarc-requ...@listserv.ua.edu> wrote: > > I'm pretty sure that nothing about the way MVS works with the Linkage Stack > is a programming interface. > > How old is that presentation you are using? The Linkage Stack changed > significantly with z/Architecture. > The definitive documentation is the Principles of Operation. > > If you want to learn about the structure of the Linkage stack, issue several > BAKR instructions and abend. > Use IPCS to process the resulting SYSMDUMP. > Look at the formatted linkage stack entries in the dump and compare that to > storage. > > -- > Tom Marchant > >> On Wed, 10 Jan 2024 10:18:42 -0500, Joseph Reichman <reichman...@gmail.com> >> wrote: >> >> Hi >> >> I am using a share PDF as a guide "Dul Address Space & Linkage Stack" as >> guide to looking thru a WU Linkage Stack >> >> In the case of a TCB I believe the current is pointed to by STCBLSDP >> >> This is I understand it points to the header of which there four different >> types each of X'128' bytes in Length >> >> Header looking the zone portion of the first byte 1001 or 9 >> Trailer 1010 or A >> Branch Entry C >> PC entry D >> >> In the case of header in order to calculate the address of the next stack it >> would be header - 4 >> >> When I get a X'89' the 8 being the stack suppression bit - 4, -16 , or >> even -32 from the header is all zeros >> >> >> Thank you >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, >> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN