EXEC 8 Global Refs

[BRUCE at umdb]

From:  Bruce Crabill <BRUCE at umdb>

In general, EXEC 8 does not use global data structures.  This is beginning
to change however, but I'm not sure if the users are ever allowed to touch
the data directly.  Usually, the user must call some shared routine to
perform whatever operation is desired.  From the security standpoint, this
is almost the only way of doing it.  From the hardware and operating
system side there is nothing to prevent the creation a indirect address
pointer table instead of a jump vector, but I don't think I've ever seen it
done.

                                       Bruce

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