On Fri, Jul 03, 2026 at 09:16:42PM +0000, Joseph Reichman wrote: > Is there a way of determining the field at offset x’2A’ DCBMACR > seems to be overlaid after a B37 abend
> There are a number of programs to monitor after doing a lot of research > cannt seem to find where or what control block it would be in DFSMS Macro Instructions for Data Sets Non-VSAM macro instructions Data control block—common fields If the DCB is open then some fields are different from before it was open. see: https://www.ibm.com/docs/en/zos/3.1.0?topic=blocks-data-control-blockcommon-fields 40(28) 8 DCBDDNAM Eight-byte name of the data definition statement that defines the data set associated with this DCB. (Before DCB is opened.) 40(28) 2 DCBTIOT (After DCB is opened.) Offset from the TIOT origin to the TIOELNGH field in the TIOT entry for the DD statement associated with this DCB. Unsigned. Maximum value is just below 64K. 42(2A) 2 DCBMACRF This field can only be referred to during and after OPEN. It is common to all uses of the DCB and is created by moving the DCBMACR field into this area. 45(2D) 3 DCBDEBA (After DCB is opened.) Address of field, DEBBASIC, in the associated DEB. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
