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Re: Instrcutions that must not be stepped.
On Tue, Jun 20, 2006 at 03:23:51PM -0700, PAUL GILLIAM wrote:
> On Tue, 2006-06-20 at 16:17 -0400, Paul Koning wrote:
> > >>>>> "PAUL" == PAUL GILLIAM <pgilliam@us.ibm.com> writes:
> >
> > >> By the way, if stepping these atomic sequences proves to be a
> > >> performance problem, you might want to consider implementing
> > >> stepping them in the (Linux) kernel.
> >
> > PAUL> This would be cool. It would be nice to be able to tell if the
> > PAUL> kernel has support for this and let it handle atomic sequences
> > PAUL> if it does. Let GDB handle it if the kernel doesn't.
> >
> > Similarly, in remote debugging, there should be a way to have the stub
> > handle it. That means you may need some extensions to the stub
> > protocol to encode some new information...
>
> Perhaps something in "qSupported" stuff Danial Jacobowitz is working on?
No, that's unrelated. I think all you'll want is "step out of range"
on the GDB side, and let the stub handle everything else.
--
Daniel Jacobowitz
CodeSourcery