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 A73C2385780C for ; Fri, 29 Apr 2022 18:55:40 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org A73C2385780C Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-113-9kCxB8uQOkWp2mOh4zEKVw-1; Fri, 29 Apr 2022 14:55:39 -0400 X-MC-Unique: 9kCxB8uQOkWp2mOh4zEKVw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id CA1721801386 for ; Fri, 29 Apr 2022 18:55:38 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.193.187]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6D3AF41047EE for ; Fri, 29 Apr 2022 18:55:38 +0000 (UTC) From: Florian Weimer To: libc-stable@sourceware.org Subject: Re: [glibc] dlfcn: Implement the RTLD_DI_PHDR request type for dlinfo References: <20220429155806.594323856DC4@sourceware.org> Date: Fri, 29 Apr 2022 20:55:36 +0200 In-Reply-To: <20220429155806.594323856DC4@sourceware.org> (Florian Weimer via Glibc-cvs's message of "Fri, 29 Apr 2022 15:58:06 +0000 (GMT)") Message-ID: <87tuabzplj.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 2.84 on 10.11.54.2 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-5.1 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, 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-stable@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-stable mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Apr 2022 18:55:41 -0000 * Florian Weimer via Glibc-cvs: > https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d056c212130280c0a54d9a4f72170ec621b70ce5 > > commit d056c212130280c0a54d9a4f72170ec621b70ce5 > Author: Florian Weimer > Date: Fri Apr 29 17:00:53 2022 +0200 > > dlfcn: Implement the RTLD_DI_PHDR request type for dlinfo > > The information is theoretically available via dl_iterate_phdr as > well, but that approach is very slow if there are many shared > objects. > > Reviewed-by: Carlos O'Donell > Tested-by: Carlos O'Donell > > Diff: > --- > dlfcn/Makefile | 4 ++ > dlfcn/dlfcn.h | 7 ++- > dlfcn/dlinfo.c | 13 ++++- > dlfcn/tst-dlinfo-phdr.c | 125 ++++++++++++++++++++++++++++++++++++++++++++++++ > manual/dynlink.texi | 15 ++++-- > 5 files changed, 159 insertions(+), 5 deletions(-) I plan to backport this to 2.35 and 2.34 next week because it complements the audit fixes. Thanks, Florian