In response to:
As a reminder: AMODE 64 routines in general should not rely on the
time-of-entry register 15 for addressability. LINK(X) / ATTACH(X) targets
are cases for which it is "cannot" rather than "should not". The supplied
code did use reg 15 for addressability:
STIMERX DS 0H
...
USING *,R15
AMODE 64 routines should be using relative branch and generally should
establish addressability to a static data area (such as where LTORG might
be), often done by a LARL instruction.
Peter Relson
z/OS Core Technology Design
Is there a document that documents the above? I want to see if there is
anything else I didn't know about AMODE 64 coding.
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