Re: OBJECT PATCHING

[Simon Coulter <shc@xxxxxxxxxxxxxxxxx>]

On 14/05/2010, at 9:00 PM, Simon Coulter wrote:

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

Thinking more on this (while asleep) it's possible you are changing  
location x'105C' in the primary associated space of the program and  
not in the program header. This would explain why it appears to work  
(i.e., no exception) but doesn't change anything. Compare the  
addresses in your program to those in a dump of the program you are  
trying to modify.

Or perhaps you have an exception handler that is swallowing the  
exception?

Regards,
Simon Coulter.
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