From owner-svn-src-all@FreeBSD.ORG Mon Mar 12 12:26:25 2012 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id D4E72106566C; Mon, 12 Mar 2012 12:26:25 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (mx0.zoral.com.ua [91.193.166.200]) by mx1.freebsd.org (Postfix) with ESMTP id 4B0998FC19; Mon, 12 Mar 2012 12:26:24 +0000 (UTC) Received: from skuns.kiev.zoral.com.ua (localhost [127.0.0.1]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id q2CCQGOS094767; Mon, 12 Mar 2012 14:26:16 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.5/8.14.5) with ESMTP id q2CCQGn0029670; Mon, 12 Mar 2012 14:26:16 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.5/8.14.5/Submit) id q2CCQG8P029669; Mon, 12 Mar 2012 14:26:16 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Mon, 12 Mar 2012 14:26:16 +0200 From: Konstantin Belousov To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Message-ID: <20120312122616.GB75778@deviant.kiev.zoral.com.ua> References: <201203121216.q2CCG8gG061304@svn.freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="P4y1Y0PhW0Op+SVW" Content-Disposition: inline In-Reply-To: <201203121216.q2CCG8gG061304@svn.freebsd.org> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: clamav-milter 0.95.2 at skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-4.0 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: Subject: Re: svn commit: r232862 - head/libexec/rtld-elf X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Mar 2012 12:26:25 -0000 --P4y1Y0PhW0Op+SVW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Mar 12, 2012 at 12:16:08PM +0000, Konstantin Belousov wrote: > Author: kib > Date: Mon Mar 12 12:16:08 2012 > New Revision: 232862 > URL: http://svn.freebsd.org/changeset/base/232862 >=20 > Log: > Rtld on diet part 2: > =20 > Do not use stdio for libmap.conf read. Directly map the file and > parse lines from the mappings. > =20 > Reviewed by: kan > MFC after: 3 weeks Sample sizes of the ld-elf.so.1 on amd64 before (/libexec/ld-elf.so.1) and after the removal of stdio: $ size /libexec/ld-elf.so.1 ld-elf.so.1 text data bss dec hex filename 225195 15648 58448 299291 4911b /libexec/ld-elf.so.1 133981 9124 18072 161177 27599 ld-elf.so.1 Also, stdio and locale stuff recently requires fully initialized C runtime (like TLS), which is not true for rtld and relatively hard to provide at early stages of binary activation. --P4y1Y0PhW0Op+SVW Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (FreeBSD) iEYEARECAAYFAk9d62gACgkQC3+MBN1Mb4hhiwCgw6r5Lw52yOeF2IKiRZl+Bc2b GDAAniL2uelBXD9BEEEURmpED6eu9g9l =MHFk -----END PGP SIGNATURE----- --P4y1Y0PhW0Op+SVW--