From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS3215 2.6.0.0/16 X-Spam-Status: No, score=-4.2 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,SPF_HELO_PASS,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id C5FAC1F8C6 for ; Tue, 3 Aug 2021 20:14:10 +0000 (UTC) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id CBE15385AC32 for ; Tue, 3 Aug 2021 20:14:09 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CBE15385AC32 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1628021649; bh=E7meaIuRXjEaiYgvwF+8nKCbHtWX8KcP18F07iX2VpA=; h=To:Subject:References:Date:In-Reply-To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=gSf5Y2QiTn86FVXPnSmMA4+sllZeR3lYflzLTvnYbfEm9nB4hzSZyYLxvMFk/2MMA e5x+5fnxfM0pLfyaRUdrspQmKU4iZo2xH0Ue8lCndsamj4OPMPFfWiBRgkNgsVcnv+ LGFmvVDLZGqkan3RY346egd4pYPpzfmhCFxbz8DY= Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by sourceware.org (Postfix) with ESMTP id 3422E3858C27 for ; Tue, 3 Aug 2021 20:13:48 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 3422E3858C27 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-489-nhrXRh45Mcya7bjToqaZ5Q-1; Tue, 03 Aug 2021 16:13:45 -0400 X-MC-Unique: nhrXRh45Mcya7bjToqaZ5Q-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 67A7B8799F3; Tue, 3 Aug 2021 20:13:43 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.192.123]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 367176788F; Tue, 3 Aug 2021 20:13:35 +0000 (UTC) To: "H.J. Lu" Subject: Re: RFC: Add DT_GNU_DEBUG References: <20210727173958.GB1633923@zorba> <20210728154408.GF1633923@zorba> <20210728190211.GJ1633923@zorba> <87o8agto7v.fsf@oldenburg.str.redhat.com> <20210803163917.GU1633923@zorba> <87mtpyfldl.fsf@oldenburg.str.redhat.com> Date: Tue, 03 Aug 2021 22:13:34 +0200 In-Reply-To: (H. J. Lu's message of "Tue, 3 Aug 2021 11:23:39 -0700") Message-ID: <87pmuue175.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 10.5.11.16 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain 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: , From: Florian Weimer via Libc-alpha Reply-To: Florian Weimer Cc: Carlos O'Donell via Libc-alpha , Pedro Alves , Conan C Huang , "Metzger, Markus T" , Jeremy Stenglein , "xe-linux-external\(mailer list\)" Errors-To: libc-alpha-bounces+e=80x24.org@sourceware.org Sender: "Libc-alpha" * H. J. Lu: > No, copy relocation doesn't work: > > https://sourceware.org/bugzilla/show_bug.cgi?id=28130 > > I want to get rid of copy relocation and keep _r_debug only for existing > broken binaries. The new interface will provide an access function to > get the address of internal data in ld.so. Surely we can update both copies?! They exist today, so I don't expect new problems from a tools perspective. Thanks, Florian