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Re: [patch rfc rfa:i386] Add i386 specific register groups
On Fri, Nov 08, 2002 at 03:32:20PM -0500, Andrew Cagney wrote:
> >Andrew Cagney <ac131313@redhat.com> writes:
> >
> >
> >>I should note that the orig_eax register is only a member of the system,
> >>save and restore reggroups, and hence is no longer displayed by either
> >>`info registers' or `info all-registers'. If you're really desperate
> >>you can use the `maint print raw-registers` (which is in the manual :-)
> >
> >
> >Yeah! And you can always say "print $orig_eax", can't you?
>
> (er, quickly checking ...)
>
> (top-gdb) print $orig_eax
> $1 = -1
> (top-gdb) maint print raw-registers
> ...
> orig_eax 41 41 308 4 int 0xffffffff
>
> Yep, of course you can.
>
> What about save/restore? Should it be saved/restored across an inferior
> function call?
Absolutely - in fact, that's the whole reason it was added :)
> >>This ok?
> >
> >
> >Hmm, why are all registers in group "general"?
>
> Preserving existing behavior? :-^
>
> > I'd expect the group
> >general to only include the general-purpose registers.
>
> So you'd like the mmx and sse registers excluded
> (general corresponds to `info all-registers')?
>
> Just give the word,
Wait - does general correspond to `all-registers' or `registers'?
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer