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 ESMTP id 133FE387740B for ; Thu, 8 Jul 2021 05:43:57 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 133FE387740B 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-26-TqAl-adLMXK1tiO607GODw-1; Thu, 08 Jul 2021 01:43:55 -0400 X-MC-Unique: TqAl-adLMXK1tiO607GODw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 42293800050; Thu, 8 Jul 2021 05:43:54 +0000 (UTC) Received: from oldenburg.str.redhat.com (ovpn-115-5.ams2.redhat.com [10.36.115.5]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6809C100EB3D; Thu, 8 Jul 2021 05:43:53 +0000 (UTC) From: Florian Weimer To: Adhemerval Zanella Cc: Adhemerval Zanella via Libc-alpha Subject: Re: [PATCH v7 1/4] support: Add support_stack_alloc References: <20210706145839.1658623-1-adhemerval.zanella@linaro.org> <20210706145839.1658623-2-adhemerval.zanella@linaro.org> <87k0m2a0na.fsf@oldenburg.str.redhat.com> <87eeca2ggn.fsf@oldenburg.str.redhat.com> <75c75184-e799-bf89-e3fc-49a48f150591@linaro.org> Date: Thu, 08 Jul 2021 07:43:51 +0200 In-Reply-To: <75c75184-e799-bf89-e3fc-49a48f150591@linaro.org> (Adhemerval Zanella's message of "Wed, 7 Jul 2021 14:26:35 -0300") Message-ID: <87sg0pz7fs.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 10.5.11.22 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=-6.8 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_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: Thu, 08 Jul 2021 05:43:58 -0000 * Adhemerval Zanella: > I have added: > > /* Some architecture still requires executable stack for the signal ret= urn =20 > trampoline, although PF_X could be overridden if PT_GNU_STACK is pre= sent. =20 > However since there is glibc does not export such information with a= =20 > proper ABI, it uses the historical permissions. */ =E2=80=9Csince [] glibc does not export=E2=80=9D Thanks, Florian