From owner-freebsd-hackers Wed Apr 24 14:42:22 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mail.speakeasy.net (mail15.speakeasy.net [216.254.0.215]) by hub.freebsd.org (Postfix) with ESMTP id A8D4F37B405 for ; Wed, 24 Apr 2002 14:42:18 -0700 (PDT) Received: (qmail 11897 invoked from network); 24 Apr 2002 21:34:59 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) by mail15.speakeasy.net (qmail-ldap-1.03) with DES-CBC3-SHA encrypted SMTP for ; 24 Apr 2002 21:34:59 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.11.6/8.11.6) with ESMTP id g3OLYwv08142; Wed, 24 Apr 2002 17:34:58 -0400 (EDT) (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: <20020424170721.B38982-100000@alpha.yumyumyum.org> Date: Wed, 24 Apr 2002 17:34:07 -0400 (EDT) From: John Baldwin To: Kenneth Culver Subject: Re: implementing linux mmap2 syscall Cc: Andrew Gallatin Cc: Andrew Gallatin , Brandon S Allbery KF8NH , freebsd-hackers@FreeBSD.ORG, FreeBSD-CURRENT List Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On 24-Apr-2002 Kenneth Culver wrote: >> libc sets it before it enters the kernel. Then on kernel entry we save >> ebp in the trapframe. > > So in the case of linux emulation, the glibc that we're using in the > linux-ulator isn't setting it properly? I'm using the linux_base-7 port > for this, so as far as I can tell, it should work... assuming linux_base-7 > is meant to run on a linux-2.4.x kernel (or kernel that's emulating that). > > I may have screwed up my linux libs somehow or another too... could this > be causing the behavior I'm seeing? Maybe. You could always try finding the mmap2() entry point and dissassembling it to see what it is doing. > Ken -- 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-hackers" in the body of the message