From owner-freebsd-current@FreeBSD.ORG Wed Jun 21 12:54:48 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id F08A716A47C for ; Wed, 21 Jun 2006 12:54:47 +0000 (UTC) (envelope-from kabaev@gmail.com) Received: from nz-out-0102.google.com (nz-out-0102.google.com [64.233.162.192]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4B94F43D53 for ; Wed, 21 Jun 2006 12:54:46 +0000 (GMT) (envelope-from kabaev@gmail.com) Received: by nz-out-0102.google.com with SMTP id x3so137518nzd for ; Wed, 21 Jun 2006 05:54:45 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:date:from:to:cc:subject:message-id:in-reply-to:references:x-mailer:mime-version:content-type; b=IakkSjGsep6C775p8WMRljp5X9R3127jcSNwtSlVilRrhrONjvncDN77O/Q736TdUJKn7XUPQhGrq5/VzsxS5KB19bmhSJux0lb+OvR6MVrO+XfsSu/BVdLezIcqKtOETwBK8/M0Dtb0ZLfgVi0RD70nuOeUhI3P2Fb+h7bvwCI= Received: by 10.65.96.17 with SMTP id y17mr882221qbl; Wed, 21 Jun 2006 05:54:45 -0700 (PDT) Received: from kan.dnsalias.net ( [24.63.93.195]) by mx.gmail.com with ESMTP id e15sm387214qbe.2006.06.21.05.54.44; Wed, 21 Jun 2006 05:54:44 -0700 (PDT) Date: Wed, 21 Jun 2006 08:54:40 -0400 From: Alexander Kabaev To: "Norikatsu Shigemura" Message-ID: <20060621085440.67f0800e@kan.dnsalias.net> In-Reply-To: <2692.219.127.74.121.1150885501.squirrel@mail.ninth-nine.com> References: <44986777.6070601@FreeBSD.org> <20060621061437.GA53019@fit.vutbr.cz> <2265.211.18.249.19.1150871779.squirrel@mail.ninth-nine.com> <20060621121114.h6udocel5wsgg8sg@netchild.homeip.net> <2692.219.127.74.121.1150885501.squirrel@mail.ninth-nine.com> X-Mailer: Sylpheed-Claws 2.2.0 (GTK+ 2.8.17; i386-portbld-freebsd7.0) Mime-Version: 1.0 Content-Type: multipart/signed; boundary=Sig_herCjKYDjgES1svtzhtE7.W; protocol="application/pgp-signature"; micalg=PGP-SHA1 X-Mailman-Approved-At: Wed, 21 Jun 2006 13:26:13 +0000 Cc: Alexander Leidinger , freebsd-current@FreeBSD.org, Norikatsu Shigemura Subject: Re: Linux-flashplugin7 & rtld - RFC X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Jun 2006 12:54:48 -0000 --Sig_herCjKYDjgES1svtzhtE7.W Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 21 Jun 2006 19:25:01 +0900 (JST) "Norikatsu Shigemura" wrote: > > Quoting Norikatsu Shigemura (from Wed, 21 Jun > > 2006 15:36:19 +0900 (JST)): > >>> Nork-san says that it is hard to make LPW work on 7-CURRENT. > >>> But, he is trying to make it work with another approach. > >> Yes, I'm working Userland COMPAT_LINUX technology[TM]:-). > > Can you be a little bit more verbose what this is? Just a high level > > overview. I'm curious since I have some ideas about some kind of > > cross-compatibility "something" too (a combination of objcopy, a > > liblinux2bsd and maybe some libmap stuff). >=20 > I'm implementing like following codes to libc/libm/libpthread > on 7-current with SYMVER_ENABLED=3Dyes. >=20 > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - > #include > #include >=20 > #define SYM_COMPAT(sym, impl, ver) \ > __sym_compat(sym, impl, ver) > #define GLIBC_SYMBOL_2(sym, major, minor) \ > GLIBC_##major##_##minor##_##sym > #define GLIBC_COMPAT_2(sym, major, minor) \ > SYM_COMPAT(sym, GLIBC_SYMBOL_2(sym, major, minor), GLIBC_ > ##major. ##minor); >=20 > #include >=20 > /* > * strcmp(3) > */ > GLIBC_COMPAT_2(strcmp, 2, 0); >=20 > int > GLIBC_SYMBOL_2(strcmp, 2, 0) > (const char *s1, const char *s2) > { > int ret; > ret =3D strcmp(s1, s2); >=20 > dprintf("strcmp(\"%s\", \"%s\") =3D %d", s1, s2, ret); >=20 > return ret; > } > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - >=20 > And Version.def, too. > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - > # $FreeBSD$ >=20 > GLIBC_2.0 { > strcmp; > : > } > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - >=20 > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to > "freebsd-current-unsubscribe@freebsd.org" Thanks for doing this. This strikes me as much more robust and clean way of doing things. --=20 Alexander Kabaev --Sig_herCjKYDjgES1svtzhtE7.W Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (FreeBSD) iD8DBQFEmUGTQ6z1jMm+XZYRAqbMAJ4njiUqvF476Z6GI/aYZta+jaD4rQCgioud 5METZ+UysgHD6QLoybG1Iyw= =BKML -----END PGP SIGNATURE----- --Sig_herCjKYDjgES1svtzhtE7.W--