cvs commit: src/sys/i386/i386 db_trace.c
jhb at freebsd.org
Tue Feb 20 18:20:32 UTC 2007
On Tuesday 20 February 2007 09:40, Kostik Belousov wrote:
> On Mon, Feb 19, 2007 at 06:49:53PM -0500, John Baldwin wrote:
> > On Monday 19 February 2007 05:57, Konstantin Belousov wrote:
> > > kib 2007-02-19 10:57:48 UTC
> > >
> > > FreeBSD src repository
> > >
> > > Modified files:
> > > sys/i386/i386 db_trace.c
> > > Log:
> > > Unbreak ddb stepping over special frames after the following commit:
> > amd64 might need the same fix, and kgdb needs to be updated for both as
> > well if it hasn't been already.
> I doubt it. Register calling conventions for amd64 made the same change
> for this architecture to look like
> movq %rsp, %rdi
> thus not modifying stack frame layout. Could someone with amd64 current box
> confirm/deny this ?
Ah, ok, had wondered about that.
> Kgdb is more involved. I think that some compatibility stuff needed there,
> to be able to step over both old and new kind of frames.
Yes, it will have to use the nearest __FreeBSD_version by checking the
osreldate variable from the core dump.
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