Syama, This may help. It is a ZAD SLIP trap.
https://www.ibm.com/docs/en/zos/2.3.0?topic=traps-slip-zero-address-detection-zad Mike Shaw MVS/QuickRef Support Chicago-Soft, Ltd. On Mon, Mar 27, 2023, 6:47 PM syama prasad < [email protected]> wrote: > Hi, > Is it possible to force an Assembler program to hit an access error if it > tries to load data from the low core (page starting from address > zero)?Assembler *PROCESS FLAG(PAGE0) " helps to find cases like MVC > TARGET,1But will it be possible to have a run time detection and possibly a > dump if the program tries to do things likeLA R5,1MVC > TARGET,0(R5)Basically, any way to restrict access of an application program > to PSA- first control block? > Regards,Syama >
