From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-1.mimecast.com (us-smtp-2.mimecast.com [207.211.31.81]) by sourceware.org (Postfix) with ESMTP id 792753857C7A for ; Fri, 18 Sep 2020 18:09:49 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 792753857C7A 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-293-8l6AirbLOli4WupqSFLI-g-1; Fri, 18 Sep 2020 14:09:47 -0400 X-MC-Unique: 8l6AirbLOli4WupqSFLI-g-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 22B871084C95; Fri, 18 Sep 2020 18:09:46 +0000 (UTC) Received: from oldenburg2.str.redhat.com (ovpn-113-177.ams2.redhat.com [10.36.113.177]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3881F55777; Fri, 18 Sep 2020 18:09:45 +0000 (UTC) From: Florian Weimer To: Jozef Lawrynowicz Cc: Michael Matz , gnu-gabi@sourceware.org Subject: Re: [RFC] SHF_GNU_RETAIN ELF Section Flag References: <20200915123155.xpow3oxpzycsq3ie@jozef-acer-manjaro> <87v9gfi5cf.fsf@oldenburg2.str.redhat.com> <87mu1ri4ie.fsf@oldenburg2.str.redhat.com> <20200915132955.gmklbme6h5x5izha@jozef-acer-manjaro> <30f44461-67b1-2428-7b0d-9a49520524b3@redhat.com> <20200915165255.fm53szwcabht77ig@jozef-acer-manjaro> <875z8dn9xj.fsf@oldenburg2.str.redhat.com> <87y2l770fl.fsf@oldenburg2.str.redhat.com> <20200918122255.oqgufi3jkc72sgem@jozef-acer-manjaro> Date: Fri, 18 Sep 2020 20:09:43 +0200 In-Reply-To: <20200918122255.oqgufi3jkc72sgem@jozef-acer-manjaro> (Jozef Lawrynowicz's message of "Fri, 18 Sep 2020 13:22:55 +0100") Message-ID: <87bli30xeg.fsf@oldenburg2.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-8.0 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: gnu-gabi@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gnu-gabi mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Sep 2020 18:09:50 -0000 * Jozef Lawrynowicz: > Yes, the use of the KEEP linker script directive is the current way to > protect a section from garbage collection, but in my original proposal > I outlined the benefits of using an attribute to save a section from > garbage collection. For the attribute to work, you need a section flag > to propagate the information to the linker. I think you meant to write =E2=80=9Can attribute to save a *symbol* from=E2= =80=9D. I agree that this is a compelling case for a single-object-file solution. Thanks, Florian --=20 Red Hat GmbH, https://de.redhat.com/ , Registered seat: Grasbrunn, Commercial register: Amtsgericht Muenchen, HRB 153243, Managing Directors: Charles Cachera, Brian Klemm, Laurie Krebs, Michael O'N= eill