cvs commit: src/sys/i386/i386 db_trace.c

Kostik Belousov kostikbel at
Tue Feb 20 15:11:38 UTC 2007

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 ?

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.
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