From owner-freebsd-alpha Thu Dec 5 7:39:18 2002 Delivered-To: freebsd-alpha@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 777A837B401 for ; Thu, 5 Dec 2002 07:39:16 -0800 (PST) Received: from mail.speakeasy.net (mail11.speakeasy.net [216.254.0.211]) by mx1.FreeBSD.org (Postfix) with ESMTP id EC38643E9C for ; Thu, 5 Dec 2002 07:39:15 -0800 (PST) (envelope-from jhb@FreeBSD.org) Received: (qmail 30413 invoked from network); 5 Dec 2002 15:39:18 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) by mail11.speakeasy.net (qmail-ldap-1.03) with DES-CBC3-SHA encrypted SMTP for ; 5 Dec 2002 15:39:18 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.6/8.12.6) with ESMTP id gB5FcsuH044877; Thu, 5 Dec 2002 10:39:00 -0500 (EST) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.5.2 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <20021204234741.D71802A7EA@canning.wemm.org> Date: Thu, 05 Dec 2002 10:39:01 -0500 (EST) From: John Baldwin To: Peter Wemm Subject: Re: link_elf: symbol osf1_wait4 undefined Cc: alex Cc: alex , Yoriaki FUJIMORI , alpha@FreeBSD.ORG, Andrew Gallatin Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On 04-Dec-2002 Peter Wemm wrote: > John Baldwin wrote: >> >> On 04-Dec-2002 Andrew Gallatin wrote: >> > >> > alex writes: >> > > ahhhh. That solved the problem. >> > > What is the technical reason for having to load the osf1 module first ? >> > >> > Linux/alpha uses the same ABI as OSF/1 for a number of functions, >> > since they bootstrapped themselves from OSF/1 on alpha and never >> > bothered to go fully native. This ABI is already provided by our >> > osf1.ko module. >> > >> > The problem is that the osf1.ko module is SUPPOSED to be automatically >> > loaded as a dependancy of the linux module. I've asked the person who >> > wrote the module dependancy code for help on this, but he's moved on >> > to other things and has never answered. If somebody wants to look >> > into this, that would be great. I've never been able to figure it >> > out. >> >> The problem is here: >> >> > grep MODULE * >> linux_sysvec.c:MODULE_VERSION(linux, 1); >> linux_sysvec.c:MODULE_DEPEND(linux, osf1, 1, 1, 1); >> linux_sysvec.c:MODULE_DEPEND(linux, sysvmsg, 1, 1, 1); >> linux_sysvec.c:MODULE_DEPEND(linux, sysvsem, 1, 1, 1); >> linux_sysvec.c:MODULE_DEPEND(linux, sysvshm, 1, 1, 1); >> linux_sysvec.c:DECLARE_MODULE(linuxelf, linux_elf_mod, SI_SUB_EXEC, SI_ORDER_ > ANY); >> >> All the dependencies are recorded for the non-existent linux module. >> In actuality, on Alpha there is a linuxelf module, and on i386 there >> are linuxelf and linuxaout modules. I'm trying to think about the >> best way to go about fixing this. > > No. The MODULE_VERSION/MODULE_DEPEND stuff is completely seperate to > DECLARE_MODULE. They are not in the same name space. They are just tags. > This is so that we can have tags in raw binary (no executable code) files. > >> Well, I have an untested patch at >> http://www.FreeBSD.org/~jhb/patches/linux.patch that might fix this. >> FWIW, the dependency of linux compat on the SYSV modules was broken on >> both i386 and alpha for the same reason. Use 'patch -p6' to apply this >> patch btw. > > Nope, this assumes a connection between the namespaces. Then why don't they work? With the existing tags, if you kldload linux and osf1 isn't loaded it fails instead of auto-loading osf1. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message