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 [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 919ED3858D35 for ; Fri, 14 Jan 2022 15:56:10 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 919ED3858D35 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-170-WcPLnvItM12dcvZUgpw92Q-1; Fri, 14 Jan 2022 10:56:08 -0500 X-MC-Unique: WcPLnvItM12dcvZUgpw92Q-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 CDA13835E24; Fri, 14 Jan 2022 15:56:07 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.192.49]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0008784D35; Fri, 14 Jan 2022 15:56:06 +0000 (UTC) From: Florian Weimer To: "H.J. Lu" Cc: GNU C Library Subject: Re: [PATCH 3/3] elf/tst-dl_find_object: Disable subtests for non-contiguous maps (bug 28732) References: <636c6da259e612258791a6e816bfc7bbfed97e3a.1641228666.git.fweimer@redhat.com> <878rvitkth.fsf@oldenburg.str.redhat.com> <874k66tjgd.fsf@oldenburg.str.redhat.com> <87zgnys4ca.fsf@oldenburg.str.redhat.com> Date: Fri, 14 Jan 2022 16:56:04 +0100 In-Reply-To: (H. J. Lu's message of "Fri, 14 Jan 2022 07:54:06 -0800") Message-ID: <87v8yms44r.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=-6.4 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: Fri, 14 Jan 2022 15:56:11 -0000 * H. J. Lu: > On Fri, Jan 14, 2022 at 7:51 AM Florian Weimer wrote: >> >> * H. J. Lu: >> >> > On Fri, Jan 14, 2022 at 7:39 AM Florian Weimer wrote: >> >> >> >> * H. J. Lu: >> >> >> >> >> We never set l_contiguous for the main executable, so it doesn't matter >> >> >> what the link editor does. And none of the glibc fixes went in so far. >> >> >> >> >> >> Thanks, >> >> >> Florian >> >> >> >> >> > >> >> > Should l_contiguous be set on the main executable? If not, why? >> >> >> >> I think it should be set even if the kernel loads the main executable. >> >> See patch 2: >> >> >> >> [PATCH 2/3] elf: Set l_contiguous to 1 for the main map in more cases >> >> >> > >> > If we have the second patch, do we still need the 3rd one? >> >> I think gaps are expected on some architectures for main executable >> (ia64?). >> > > Please add a header to indicate that the gap is expected only on some > architectures. Sorry, do you mean there should be a .h file to indicate whether the architecture expects a gap? How do I tell whether the gap is expected or the result of binutils bugs? Thanks, Florian