Re: OBJECT PATCHING

On 14/05/2010, at 7:05 PM, Roberto Garcia Perez1 wrote:

> I have a couple of problems when trying to patch some objects in the
> system. What I pretend is to replace the virtual address in one of the
> QINSEPT pointers and point to a new pgm that I've developped, and also
> patch this new program to change it to *SYSTEM state. The problems  =

> are:
> 1) My attempt to patch QINSEPT ends with a MCH6801.
> 2) My attempt to patch the program at location X'105C' to move it to a
> *SYSTEM state shows no error but the operation is not performed.

You should get MCH6801 on this too.

> All these steps are issued from a pgm in *SYSTEM state.

So you're trying to do this programmatically instead of via SST? In  =

that case the failure of both attempts is due to hardware storage  =

protection. The page protection for the SEPT space and the first page  =

of a program object is 3 which means read-only at all levels.

> IBM Global Services Espa=F1a, S.A.


Now that's amusing.

Regards,
Simon Coulter.
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