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 [63.128.21.124]) by sourceware.org (Postfix) with ESMTP id 0EFF23857C75 for ; Fri, 12 Feb 2021 18:57:05 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 0EFF23857C75 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-343-VPgADZO4OxKos1dX2ZMQMQ-1; Fri, 12 Feb 2021 13:56:25 -0500 X-MC-Unique: VPgADZO4OxKos1dX2ZMQMQ-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 99A21804036; Fri, 12 Feb 2021 18:56:24 +0000 (UTC) Received: from oldenburg.str.redhat.com (ovpn-113-131.ams2.redhat.com [10.36.113.131]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 22ECD6E51F; Fri, 12 Feb 2021 18:56:20 +0000 (UTC) From: Florian Weimer To: Adhemerval Zanella Cc: Vivek Das Mohapatra , libc-alpha@sourceware.org, Carlos O'Donell Subject: Re: [RFC][PATCH v8 00/20] Implementation of RTLD_SHARED for dlmopen References: <20210209171839.7911-1-vivek@collabora.com> Date: Fri, 12 Feb 2021 19:56:42 +0100 In-Reply-To: (Adhemerval Zanella's message of "Fri, 12 Feb 2021 15:52:35 -0300") Message-ID: <87sg61gln9.fsf@oldenburg.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 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-6.7 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_H4, RCVD_IN_MSPIKE_WL, 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, 12 Feb 2021 18:57:06 -0000 * Adhemerval Zanella: >> - dl_iterate_ns_phdr (cf dl_iterate_phdr but taking a namespace argument) > > I think if we agree to add this extension we might also work around the > current issues of dl_iterate_phdr. If I recall correctly, Florian has > raised the current scalability issues and proposed a better replacement > in a previous Cauldron. Iterating over link maps in a namespace is still indepedently useful. I just don't think it's the right interface for locating exception unwinding information based on a code address. Thanks, Florian -- 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'Neill