From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id 0B84C3858C60 for ; Tue, 7 Dec 2021 15:46:00 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 0B84C3858C60 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-125-sDO5ot06Mk-3J0XV8604Aw-1; Tue, 07 Dec 2021 10:45:56 -0500 X-MC-Unique: sDO5ot06Mk-3J0XV8604Aw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7F5A110247A7; Tue, 7 Dec 2021 15:45:55 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.193.123]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 75ADB13A58; Tue, 7 Dec 2021 15:45:54 +0000 (UTC) From: Florian Weimer To: Adhemerval Zanella Cc: "H.J. Lu" , GNU C Library Subject: Re: [PATCH] elf: Add elf checks for main executable References: <20211119150329.2200675-1-adhemerval.zanella@linaro.org> <87bl1tmtxz.fsf@oldenburg.str.redhat.com> <873a6969-8c06-5233-2b4c-48360e120f07@linaro.org> <877dchlbb8.fsf@oldenburg.str.redhat.com> <6386c389-086d-e123-d4d6-a97777f207ed@linaro.org> Date: Tue, 07 Dec 2021 16:45:52 +0100 In-Reply-To: <6386c389-086d-e123-d4d6-a97777f207ed@linaro.org> (Adhemerval Zanella's message of "Mon, 6 Dec 2021 18:07:06 -0300") Message-ID: <87czm8quz3.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-6.5 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) 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: Tue, 07 Dec 2021 15:46:01 -0000 * Adhemerval Zanella: > It does, but only for specific configurations. bintutils does have a > testcase for it, pr21375*, but not all configurations does bump because > they do not require ABS relocations (for instance, for n64 -mmicromips > --defsym hidn=1 does set the ABI version to 4). Should this tell us something at DT_RELR? That binutils doesn't help us to prevent crashes for other features? Thanks, Florian