From owner-freebsd-toolchain@freebsd.org Mon Mar 30 09:59:16 2020 Return-Path: Delivered-To: freebsd-toolchain@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 3D6D727D784 for ; Mon, 30 Mar 2020 09:59:16 +0000 (UTC) (envelope-from pjfloyd@wanadoo.fr) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 48rSbd4cn5z3H4H for ; Mon, 30 Mar 2020 09:59:09 +0000 (UTC) (envelope-from pjfloyd@wanadoo.fr) Received: by mailman.nyi.freebsd.org (Postfix) id 757D227D783; Mon, 30 Mar 2020 09:59:01 +0000 (UTC) Delivered-To: toolchain@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 4773D27D781 for ; Mon, 30 Mar 2020 09:59:01 +0000 (UTC) (envelope-from pjfloyd@wanadoo.fr) Received: from smtp.smtpout.orange.fr (smtp10.smtpout.orange.fr [80.12.242.132]) by mx1.freebsd.org (Postfix) with ESMTP id 48rSbH3KfMz3Gyr for ; Mon, 30 Mar 2020 09:58:50 +0000 (UTC) (envelope-from pjfloyd@wanadoo.fr) Received: from wwinf1j21 ([10.232.42.45]) by mwinf5d87 with ME id LZrA2200Q0yUGHE03ZrA7P; Mon, 30 Mar 2020 11:51:10 +0200 X-ME-Helo: wwinf1j21 X-ME-Auth: cGpmbG95ZEB3YW5hZG9vLmZy X-ME-Date: Mon, 30 Mar 2020 11:51:10 +0200 X-ME-IP: 192.94.31.2 Date: Mon, 30 Mar 2020 11:51:10 +0200 (CEST) From: Paul FLOYD Reply-To: Paul FLOYD To: "toolchain@freebsd.org" Message-ID: <1203766437.5659.1585561870686.JavaMail.www@wwinf1j21> In-Reply-To: <20200330075428.GG1992@kib.kiev.ua> References: <20200330075428.GG1992@kib.kiev.ua> Subject: Re: x86 process memory map MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [192.94.31.2] X-WUM-FROM: |~| X-WUM-TO: |~| X-WUM-REPLYTO: |~| X-Rspamd-Queue-Id: 48rSbH3KfMz3Gyr X-Spamd-Bar: +++ Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of pjfloyd@wanadoo.fr has no SPF policy when checking 80.12.242.132) smtp.mailfrom=pjfloyd@wanadoo.fr X-Spamd-Result: default: False [3.49 / 15.00]; HAS_REPLYTO(0.00)[pjfloyd@wanadoo.fr]; HAS_XOIP(0.00)[]; FREEMAIL_FROM(0.00)[wanadoo.fr]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; IP_SCORE(0.00)[ip: (4.91), ipnet: 80.12.240.0/20(1.59), asn: 3215(2.63), country: FR(0.00)]; R_DKIM_NA(0.00)[]; ASN(0.00)[asn:3215, ipnet:80.12.240.0/20, country:FR]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[wanadoo.fr]; ARC_NA(0.00)[]; REPLYTO_EQ_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; FREEMAIL_REPLYTO(0.00)[wanadoo.fr]; DMARC_NA(0.00)[wanadoo.fr]; AUTH_NA(1.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_SPAM_MEDIUM(0.99)[0.986,0]; NEURAL_SPAM_LONG(1.00)[0.999,0]; RCVD_IN_DNSWL_NONE(0.00)[132.242.12.80.list.dnswl.org : 127.0.5.0]; TO_DN_EQ_ADDR_ALL(0.00)[]; R_SPF_NA(0.00)[]; IP_SCORE_FREEMAIL(0.00)[]; RWL_MAILSPIKE_POSSIBLE(0.00)[132.242.12.80.rep.mailspike.net : 127.0.0.17]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-toolchain@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Maintenance of FreeBSD's integrated toolchain List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Mar 2020 09:59:16 -0000 > It is the stack grow area and the guard, combined. Read the mmap(2), in > particular explanation of MAP_STACK and MAP_GUARD. OK, thanks very much. I will go and read the man page. A+ Paul