On Friday 09 September 2005 13:31, Hugh Dickins wrote:
> On Fri, 9 Sep 2005, Andi Kleen wrote:
> > On Fri, Sep 09, 2005 at 12:14:38PM +0100, Hugh Dickins wrote:
> > > Ah, right. I'm using kdb with it. (And my recollection of when
> > > show_stack did have a framepointer version, is that it was hopelessly
> > > broken on interrupt frames, and we're much better off without it.)
> >
> > Not sure if the x86-64 kdb had code to follow them either.
> > The i386 one has.
>
> x86_64 kdb does have the code to follow them, it's pretty much the same.
It will not work very well because the interrupt/exception etc. code makes
no attempt to preserve the frame. So it's a bad hack at best.
> > But kdb should be using a dwarf2 unwinder instead. kgdb certainly
> > supports that, as does NLKD.
>
> In an ideal and bloat-neutral world. I've always imagined it to be
> quite a lot of work, bringing in its own set of problems: but great
> that that work has now been done, and yes, it might one day get
> ported to kdb. But removing "&& !X86_64" is much easier.
Hmm ok. I will do that change.
-Andi
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