From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 58908 invoked by alias); 21 Apr 2016 16:32:46 -0000 Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org Received: (qmail 58886 invoked by uid 89); 21 Apr 2016 16:32:45 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy= X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Thu, 21 Apr 2016 16:32:44 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6A2EBC057EC2 for ; Thu, 21 Apr 2016 16:32:43 +0000 (UTC) Received: from [127.0.0.1] (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u3LGWgWm019109 for ; Thu, 21 Apr 2016 12:32:42 -0400 Subject: Re: GDB is broken on systems with readline built without -fexceptions To: "gdb@sourceware.org" References: <5718E387.2090904@redhat.com> <5718E444.7070900@redhat.com> From: Pedro Alves Message-ID: <571900AA.9030906@redhat.com> Date: Thu, 21 Apr 2016 16:32:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1 MIME-Version: 1.0 In-Reply-To: <5718E444.7070900@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-SW-Source: 2016-04/txt/msg00046.txt.bz2 On 04/21/2016 03:31 PM, Pedro Alves wrote: > Forgot to qualify "broken". The symptom is: > > (gdb) whatever-command-that-causes-an-error > terminate called after throwing an instance of 'gdb_exception_RETURN_MASK_ERROR' > Aborted > $ > A proper fix is turning out to be more complicated than I'd hope, so in the mean time, to get things working again, I flipped gdb's TRY/CATCH mechanism back to setjmp/longjmp instead of C++ try/catch, again. You should no longer need the --enable-build-with-cxx=no workaround. Thanks, Pedro Alves