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Re: [patch] Fix `shell' command for async (PR 12850)


Pedro Alves wrote:
> On Tuesday 07 June 2011 20:05:59, Joel Brobecker wrote:
> > > > +++ b/gdb/rs6000-nat.c
> > > > @@ -614,7 +614,7 @@ exec_one_dummy_insn (struct regcache *regcache)
> > > 
> > > (Urgh, had never seen this bizarre code before.  I wonder if 
> > > this is still needed on any sane platform, or if it was only
> > > necessary on some ancient aix.)
> > 
> > I think it's worth testing. 
> 
> That'd be great.  It'd get rid of another instance of
> deprecated_insert_raw_breakpoint along with the bizarreness. :-)

Unfortunately, I have no idea either whether this is still necessary
on any (reasonably) current AIX version ...

> > From the logs that I could gather,
> > this function was already there in 1992 (!) but it's not entirely
> > clear that it was for AIX.  But, right now, I'd have a hard time
> > believing that it would be for any other kernel but AIX (the other
> > ones I can see are (Linux, *BSDs).
> 
> It can only be for AIX, AFAICS.  grepping for rs6000-nat.o
> only hits on gdb/config/powerpc/aix.mh --- the whole rs6000-nat.c
> file is AIX only.

Yes, that file is AIX only.

> > The oldest AIX we have now at AdaCore is 5.2. I'm wondering if Ulrich
> > might have access to something a little older?

The only AIX I have access to is 5.3, sorry ...

Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  GNU Toolchain for Linux on System z and Cell BE
  Ulrich.Weigand@de.ibm.com


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