On Sun, Jul 17, 2016 at 4:25 PM, David Cole <[email protected]> wrote:
> At 7/17/2016 02:58 PM, Binyamin Dissen wrote: > >> I believe at the Z level it became 144. >> > > Yeah, me too. But in my case, it's just a guess. Can you cite a reference? > > ref: https://www.ibm.com/support/knowledgecenter/SSLTBW_2.2.0/com.ibm.zos.v2r2.ieaa700/iea3a7_Description1.htm <quote> The contents of the GPRs on entry to the subtask are:*Register**Contents*0Used as a work register by the system.1Address of the user parameter list if specified on either the PARAM or MF=E parameters; otherwise, contains whatever GPR 1 contained at the time the ATTACH macro was issued.2-12Used as work registers by the system.13Address of a 144-byte save area.14Return address. Bit 0 is 0 if the subtask routine gets control in 24-bit addressing mode; bit 0 is 1 if the subtask routine gets control in 31-bit addressing mode.15When the subtask routine is to run in 24-bit or 31-bit addressing mode, the entry point address of the subtask routine. When the subtask routine is to run in 64-bit addressing mode, it is expected to use relative branching and register 15 contains a value that can be used to determine the addressing mode of the issuer of the ATTACH or ATTACHX macro as follows: - Issuer AMODE 24: X'FFFFF000' - Issuer AMODE 31: X'FFFFF002' - Issuer AMODE 64: X'FFFFF004' Note: [image: Start of change]For assistance in converting a program to use relative branching, refer to the IEABRC and IEABRCX macros.[image: End of change] The contents of the ARs on entry to the subtask are:*Register**Contents*0Used as a work register by the system.1Zero if you specified a user parameter list on either the PARAM or MF=E parameters; otherwise, contains whatever AR 1 contained at the time the ATTACH macro was issued.2-12Used as work registers by the system.13-15Zeros. </quote> -- "Pessimism is a admirable quality in an engineer. Pessimistic people check their work three times, because they're sure that something won't be right. Optimistic people check once, trust in Solis-de to keep the ship safe, then blow everyone up." "I think you're mistaking the word optimistic for inept." "They've got a similar ring to my ear." >From "Star Nomad" by Lindsay Buroker: Maranatha! <>< John McKown ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
