From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28145 invoked by alias); 31 Dec 2014 16:12:58 -0000 Mailing-List: contact libffi-discuss-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libffi-discuss-owner@sourceware.org Received: (qmail 28133 invoked by uid 89); 31 Dec 2014 16:12:57 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.0 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,SPF_PASS,T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 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; Wed, 31 Dec 2014 16:12:55 +0000 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id sBVGCnwt029881 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 31 Dec 2014 11:12:50 -0500 Received: from anchor.twiddle.net (vpn-226-127.phx2.redhat.com [10.3.226.127]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id sBVGCm36025795; Wed, 31 Dec 2014 11:12:48 -0500 Message-ID: <54A4207F.9090904@redhat.com> Date: Wed, 31 Dec 2014 16:12:00 -0000 From: Richard Henderson User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: u-xsnf@aetey.se, libffi-discuss@sourceware.org Subject: Re: showstopper bug on x86 (Re: libffi does not follow proper ABI on ia32) References: <20141222193538.GW14316@example.net> <20141224135825.GF14316@example.net> <549AEA51.2000500@redhat.com> In-Reply-To: <549AEA51.2000500@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2014/txt/msg00290.txt.bz2 On 12/24/2014 08:31 AM, Richard Henderson wrote: > On 12/24/2014 05:58 AM, u-xsnf@aetey.se wrote: >> Nevertheless I would appreciate at least hints about the prospect to fix >> this bug (apparently non-conformant C ABI of libffi on x86 Linux), >> which presumably went unnoticed for a long time due to gcc not exercising >> the full ABI. > > Yes, I see the problem. Fixing it may have to wait until the new year. Please try the branch git://github.com/rth7680/libffi.git pcc r~