Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261259AbTEFAId (ORCPT ); Mon, 5 May 2003 20:08:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261887AbTEFAId (ORCPT ); Mon, 5 May 2003 20:08:33 -0400 Received: from are.twiddle.net ([64.81.246.98]:13205 "EHLO are.twiddle.net") by vger.kernel.org with ESMTP id S261259AbTEFAIc (ORCPT ); Mon, 5 May 2003 20:08:32 -0400 Date: Mon, 5 May 2003 17:21:00 -0700 From: Richard Henderson To: Mark Kettenis Cc: David.Mosberger@acm.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] fix vsyscall unwind information Message-ID: <20030506002100.GB10921@twiddle.net> Mail-Followup-To: Mark Kettenis , David.Mosberger@acm.org, linux-kernel@vger.kernel.org References: <20030502004014$08e2@gated-at.bofh.it> <20030503210015$292c@gated-at.bofh.it> <20030504063010$279f@gated-at.bofh.it> <20030505074248.GA7812@twiddle.net> <16054.32214.804891.702812@panda.mostang.com> <20030505163444.GB9342@twiddle.net> <86d6ixdm6q.fsf@elgar.kettenis.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <86d6ixdm6q.fsf@elgar.kettenis.dyndns.org> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 677 Lines: 19 On Tue, May 06, 2003 at 01:10:37AM +0200, Mark Kettenis wrote: > Unfortunately, GDB needs to be able to recognize signal trampolines in > order to be able to single step correctly when a signal arrives. If it actually used the dwarf2 unwind information as written, I wouldn't expect this to be true. > Anyway, signal trampolines could be marked with a special augmentation > in their CIE. I'd prefer not, if at all possible. r~ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/