Re: [patch/RFA] multiarch INSTRUCTION_NULLIFIED

Randolph Chung
2004-12-01T17:30:36Z

> 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