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Date:      Fri, 09 Jun 2000 12:43:48 -0700
From:      Peter Wemm <peter@netplex.com.au>
To:        Greg Lehey <grog@lemis.com>
Cc:        Bruce Evans <bde@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: Booting debug kernels (was: cvs commit: src/sys/i386/i386 locore.s) 
Message-ID:  <20000609194348.886141CE4@overcee.netplex.com.au>
In-Reply-To: Message from Greg Lehey <grog@lemis.com>  of "Fri, 09 Jun 2000 10:14:14 %2B0930." <20000609101414.O79769@wantadilla.lemis.com> 

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Greg Lehey wrote:
> On Thursday,  8 June 2000 at 10:53:44 -0700, Bruce Evans wrote:
> > bde         2000/06/08 10:53:43 PDT
> >
> >   Modified files:
> >     sys/i386/i386        locore.s
> >   Log:
> >   Always include the full symbol table (as specified by its start and
> >   end values in bootinfo) in kernel space if it is loaded (i.e., if its
> >   specified end address is nonzero), not just if it is loaded and DDB
> >   is configured.  This may be used to fix kldsym(2) for booting without
> >   /dev/loader; currently, in this case, it just fixes unused pointers
> >   and wastes space consistently.  For booting in the normal way with
> >   /boot/loader, the table is included and pointed to in a different way
> >   and kldsym(2) works.
> 
> I think this is worth a HEADS UP, or at least a mention in UPDATING.
> Is there any way to boot such a kernel and discard the symbols?

strip(1).  Remember, in ELF, symbol table != debug symbols.  This is not
the same as a.out where it was all merged together.

Cheers,
-Peter
--
Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au
"All of this is for nothing if we don't go to the stars" - JMS/B5



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