From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) by sourceware.org (Postfix) with ESMTP id C0C493851C17 for ; Fri, 31 Jul 2020 12:43:07 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org C0C493851C17 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-82-gYQuXFlrNv6g-Ygyx3uhCQ-1; Fri, 31 Jul 2020 08:43:03 -0400 X-MC-Unique: gYQuXFlrNv6g-Ygyx3uhCQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0FD2418C63C1; Fri, 31 Jul 2020 12:43:02 +0000 (UTC) Received: from oldenburg2.str.redhat.com (ovpn-112-250.ams2.redhat.com [10.36.112.250]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C2ABE19C58; Fri, 31 Jul 2020 12:43:00 +0000 (UTC) From: Florian Weimer To: Joseph Myers Cc: Tulio Magno Quites Machado Filho , Adhemerval Zanella , , Subject: Re: [PATCH 2/2] powerpc: Move cache line size to rtld_global_ro References: <1c5c49e4-55b1-a525-44a4-e2929ff1001a@linaro.org> <20200110222743.79551-1-tuliom@linux.ibm.com> <20200110222743.79551-2-tuliom@linux.ibm.com> Date: Fri, 31 Jul 2020 14:42:59 +0200 In-Reply-To: (Joseph Myers's message of "Thu, 23 Jul 2020 14:47:27 +0000") Message-ID: <874kpndfe4.fsf@oldenburg2.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 31 Jul 2020 12:43:08 -0000 * Joseph Myers: > I'm seeing all the statically linked glibc tests fail for 32-bit powerpc > when built with GCC 10: > > malloc.c:2394: sysmalloc: Assertion `(old_top == initial_top (av) && old_size == 0) || ((unsigned long) (old_size) >= MINSIZE && prev_inuse (old_top) && ((unsigned long) old_end & (pagesize - 1)) == 0)' failed. > Aborted > > (A statically linked program with empty main produces that error on > startup.) > > If I build glibc with -fcommon, at least a trivial statically linked > binary no longer fails. So I think there may have been something missing > from the fixes to build with -fno-common; they got glibc building again, > but not working in the statically linked case. What's your binutils version? Does this affect the statically linked test binaries built by build-many-glibcs.py? Thanks, Florian