• Subject: Re: SST
  • From: "Phil Hall" <hallp@xxxxxxxx>
  • Date: Thu, 16 Mar 2000 09:51:35 -0600



: Phil: sounds like you imply system pointers can be bases for offsets
at
: level 30.
: What happened to MCH3602, "Pointer type not valid for requested
operation"
: ?

Re-reading my response, I still don't think I made it clear what I was
talking about for seclvl 30 and below. So I'll try again !

For certain objects on the AS/400 (almost all of the non-program
objects), when you convert the system pointer to the object to a space
pointer (to read/modify the object) you (usually) get a space pointer
that is set to the location in memory just after the location of the
root object address (i.e. the system pointer itself). At seclvl 30,
you also normally get a domain violation when doing this, I was
suggesting to Brian that for modifying non-program objects, if you
create an object modifying program and then use SST to set your object
modifying program to system state you'll be able to use this program
to modify non-program objects instead of SST.

Hopefully this is clearer !

--phil

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