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Re: PATCH: __nodebug__ attribute for use on SSE intrinsic wrappers
On Fri, Jul 29, 2005 at 11:09:55AM -0700, Devang Patel wrote:
>
> On Jul 29, 2005, at 11:05 AM, Daniel Jacobowitz wrote:
>
> >On Fri, Jul 29, 2005 at 11:03:05AM -0700, Devang Patel wrote:
> >
> >>
> >>On Jul 29, 2005, at 10:58 AM, Daniel Jacobowitz wrote:
> >>
> >>
> >>>>To put Devang's remarks in proper context. Apple tools all use stab
> >>>>at this time. And there is an immediate need for this functionality
> >>>>at the producer level.
> >>>>
> >>>>
> >>>
> >>>Yes, I know. The question Geoff was answering is whether the FSF
> >>>tree
> >>>should have this attribute, though.
> >>>
> >>
> >>It is not STABS vs DWARF.
> >>
> >>As I mentioned in separate email, I am still at loss how performance
> >>tools will automatically present sample info the way user expects
> >>(rightfully, IMO) to see.
> >>
> >
> >The tool needs to know what functions to ignore.
> >
> >If you want that information to propogate from the source code, you
> >should do it by adding some annotation to the debug info which says
> >that the inline function is uninteresting, rather than removing debug
> >info. This way, tools _can_ step into the function if they are asked
> >to by the user.
>
> And one way to annotate and propagate this info is to use special
> attribute. Any other alternative ?
Yes. My point is that the attribute should ADD to the debug info, not
SUBTRACT.
--
Daniel Jacobowitz
CodeSourcery, LLC