From owner-cvs-all@FreeBSD.ORG  Wed Jan 21 17:47:39 2004
Return-Path: <owner-cvs-all@FreeBSD.ORG>
Delivered-To: cvs-all@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 68AA216A4CE; Wed, 21 Jan 2004 17:47:39 -0800 (PST)
Received: from mailout2.pacific.net.au (mailout2.pacific.net.au [61.8.0.85])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id A82FE43D3F; Wed, 21 Jan 2004 17:47:36 -0800 (PST)
	(envelope-from bde@zeta.org.au)
Received: from mailproxy1.pacific.net.au (mailproxy1.pacific.net.au
	[61.8.0.86])i0M1lZtd016290;	Thu, 22 Jan 2004 12:47:35 +1100
Received: from gamplex.bde.org (katana.zip.com.au [61.8.7.246])
	i0M1lYfe024924;	Thu, 22 Jan 2004 12:47:34 +1100
Date: Thu, 22 Jan 2004 12:47:34 +1100 (EST)
From: Bruce Evans <bde@zeta.org.au>
X-X-Sender: bde@gamplex.bde.org
To: Don Lewis <truckman@FreeBSD.org>
In-Reply-To: <200401211257.i0LCvr7E061707@gw.catspoiler.org>
Message-ID: <20040122124351.H10548@gamplex.bde.org>
References: <200401211257.i0LCvr7E061707@gw.catspoiler.org>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
cc: cvs-src@FreeBSD.org
cc: src-committers@FreeBSD.org
cc: phk@FreeBSD.org
cc: cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/alpha/alpha support.s src/sys/i386/i386   
 swtch.s src/sys/kern kern_shutdown.c src/sys/sys systm.h
X-BeenThere: cvs-all@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: CVS commit messages for the entire tree <cvs-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-all>,
	<mailto:cvs-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/cvs-all>
List-Post: <mailto:cvs-all@freebsd.org>
List-Help: <mailto:cvs-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-all>,
	<mailto:cvs-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 22 Jan 2004 01:47:39 -0000

On Wed, 21 Jan 2004, Don Lewis wrote:

> On 21 Jan, Bruce Evans wrote:
> > On Tue, 20 Jan 2004, Don Lewis wrote:
> >
> >> What about the case of macros like KASSERT() and the vnode lock
> >> assertions?  Won't they report the name and line number of the #define?
> >
> > Er, macros don't work like that.
> >
> > KASSERT() expands to a call to panic() (and other things) inline, so
> > it gets the name and line number from the file that has the KASSERT().
>
> I could swear that I've ended up in .h files when doing kernel
> debugging.  My simple userland test case acts like you describe.  I
> suspect what I'm thinking of is the inline functions in vnode_if.h.

Yes, support for debugging inline functions can be too good in some
cases.  Low-level inlines like __curthread() are especially uninteresting.

Bruce