From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10338 invoked by alias); 2 Apr 2004 22:06:36 -0000 Mailing-List: contact gdb-patches-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sources.redhat.com Received: (qmail 10331 invoked from network); 2 Apr 2004 22:06:33 -0000 Received: from unknown (HELO mx1.redhat.com) (66.187.233.31) by sources.redhat.com with SMTP; 2 Apr 2004 22:06:33 -0000 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by mx1.redhat.com (8.12.10/8.12.10) with ESMTP id i32M6Xjl002111 for ; Fri, 2 Apr 2004 17:06:33 -0500 Received: from localhost.redhat.com (to-dhcp51.toronto.redhat.com [172.16.14.151]) by int-mx1.corp.redhat.com (8.11.6/8.11.6) with ESMTP id i32M6Xj32046; Fri, 2 Apr 2004 17:06:33 -0500 Received: from gnu.org (localhost [127.0.0.1]) by localhost.redhat.com (Postfix) with ESMTP id 56E052B92; Fri, 2 Apr 2004 17:06:35 -0500 (EST) Message-ID: <406DE3EB.1020302@gnu.org> Date: Fri, 02 Apr 2004 22:06:00 -0000 From: Andrew Cagney User-Agent: Mozilla/5.0 (X11; U; NetBSD macppc; en-GB; rv:1.4.1) Gecko/20040217 MIME-Version: 1.0 To: jim.houston@comcast.net Cc: gdb-patches@sources.redhat.com Subject: Re: [patch] allow switching stacks References: <404E2745.2090405@gnu.org> In-Reply-To: <404E2745.2090405@gnu.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2004-04/txt/msg00074.txt.bz2 > Your problem sounds very similar to the combination of a signal altstack and a signal trampoline - for such a situtation the stack direction check isn't applicable (pointing to the real bug). I've just committed a patch to fix a bug where GDB wouldn't backtrace through sigaltstack signal handlers. Andrew