From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-patches-return-65396-listarch-gdb-patches=sources.redhat.com@sourceware.org>
Received: (qmail 15045 invoked by alias); 13 Jul 2009 20:32:42 -0000
Received: (qmail 15033 invoked by uid 22791); 13 Jul 2009 20:32:40 -0000
X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 	tests=AWL,BAYES_00
X-Spam-Check-By: sourceware.org
Received: from sibelius.xs4all.nl (HELO sibelius.xs4all.nl) (82.92.89.47)     by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 13 Jul 2009 20:32:31 +0000
Received: from brahms.sibelius.xs4all.nl (kettenis@localhost [127.0.0.1]) 	by brahms.sibelius.xs4all.nl (8.14.3/8.14.3) with ESMTP id n6DKWNNt029399; 	Mon, 13 Jul 2009 22:32:23 +0200 (CEST)
Received: (from kettenis@localhost) 	by brahms.sibelius.xs4all.nl (8.14.3/8.14.3/Submit) id n6DKWNXe032230; 	Mon, 13 Jul 2009 22:32:23 +0200 (CEST)
Date: Tue, 14 Jul 2009 14:34:00 -0000
Message-Id: <200907132032.n6DKWNXe032230@brahms.sibelius.xs4all.nl>
From: Mark Kettenis <mark.kettenis@xs4all.nl>
To: msnyder@vmware.com
CC: gdb-patches@sourceware.org, drow@false.org, mark.kettenis@xs4all.nl
In-reply-to: <4A5B97CB.2040109@vmware.com> (message from Michael Snyder on 	Mon, 13 Jul 2009 13:23:39 -0700)
Subject: Re: [RFA] testsuite tweak for gdb.arch/i386-signal.c
References:  <4A5B97CB.2040109@vmware.com>
Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <gdb-patches.sourceware.org>
List-Subscribe: <mailto:gdb-patches-subscribe@sourceware.org>
List-Archive: <http://sourceware.org/ml/gdb-patches/>
List-Post: <mailto:gdb-patches@sourceware.org>
List-Help: <mailto:gdb-patches-help@sourceware.org>, <http://sourceware.org/ml/#faqs>
Sender: gdb-patches-owner@sourceware.org
X-SW-Source: 2009-07/txt/msg00375.txt.bz2

> Date: Mon, 13 Jul 2009 13:23:39 -0700
> From: Michael Snyder <msnyder@vmware.com>
> 
> Index: gdb.arch/i386-signal.c
> ===================================================================
> RCS file: /cvs/src/src/gdb/testsuite/gdb.arch/i386-signal.c,v
> retrieving revision 1.4
> diff -u -p -r1.4 i386-signal.c
> --- gdb.arch/i386-signal.c	3 Jan 2009 05:58:03 -0000	1.4
> +++ gdb.arch/i386-signal.c	13 Jul 2009 20:22:52 -0000
> @@ -37,6 +37,10 @@ main (void)
>     The default CIE created by gas suffices to unwind from an empty
>     function.  */
>  
> +/* Note: to make sure that the Dwarf unwinder gets to handle
> +   the frame, we add an extra 'nop' after the label.  Otherwise,
> +   the new epilogue unwinder will see the 'ret' and grab the frame.  */

Hmm, at some point in the future this epilogue unwinder will no longer
be new.