[patch/RFA] multiarch INSTRUCTION_NULLIFIED

Randolph Chung randolph@tausq.org
Wed Dec 1 17:30:00 GMT 2004


> How do you detect that an instruction is nullified, or where the next
> instruction executed will be?  Is there a bit in some status register?

yes, there's a bit in the processor status word to tell if the current
instruction is nullified.

the pa has a 2-level instruction pointer. (in gdb we call them pcoqh and
pcoqt). pcoqt is the next instruction to be executed.

randolph
-- 
Randolph Chung
Debian GNU/Linux Developer, hppa/ia64 ports
http://www.tausq.org/



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