Re: [PATCH] add checkstack Makefile target - Muli Ben-Yehuda

From: Muli Ben-Yehuda <mulix@mulix.org>
To: J?rn Engel <joern@wohnheim.fh-wedel.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] add checkstack Makefile target
Date: Tue, 4 Mar 2003 09:03:04 +0200	[thread overview]
Message-ID: <20030304070304.GP4579@actcom.co.il> (raw)
In-Reply-To: <20030303211647.GA25205@wohnheim.fh-wedel.de>

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On Mon, Mar 03, 2003 at 10:16:47PM +0100, J?rn Engel wrote:
> On Thu, 20 February 2003 08:54:55 -0800, Linus Torvalds wrote:
> > 
> > A sorted list of bad stack users (more than 256 bytes) in my default build
> > follows. Anybody can create their own with something like
> > 
> > 	objdump -d linux/vmlinux |
> > 		grep 'sub.*$0x...,.*esp' |
> > 		awk '{ print $9,$1 }' |
> > 		sort > bigstack
> > 
> > and a script to look up the addresses.
> 
> Since Linus didn't give us the script, I had to try it myself. The
> result is likely ugly and inefficient, but it works for i386 and ppc
> (actually crosscompiling for ppc).

Keith Owens has such a script, and even posted it here a time or
three. You can find it (and various other near scripts) at
http://www.kernelnewbies.org/scripts/. As for making a Makefile
target, nice idea, but probably 2.5 material. 
-- 
Muli Ben-Yehuda
http://www.mulix.org


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