From owner-freebsd-arch Thu May 9 6:22:49 2002 Delivered-To: freebsd-arch@freebsd.org Received: from mail.speakeasy.net (mail12.speakeasy.net [216.254.0.212]) by hub.freebsd.org (Postfix) with ESMTP id 5922137B41B for ; Thu, 9 May 2002 06:22:42 -0700 (PDT) Received: (qmail 26020 invoked from network); 9 May 2002 13:22:41 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) by mail12.speakeasy.net (qmail-ldap-1.03) with DES-CBC3-SHA encrypted SMTP for ; 9 May 2002 13:22:41 -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 g49DMeF37874; Thu, 9 May 2002 09:22:40 -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: <26700.1020948820@critter.freebsd.dk> Date: Thu, 09 May 2002 09:22:33 -0400 (EDT) From: John Baldwin To: Poul-Henning Kamp Subject: RE: New ABI (32->64) [take two]... Cc: arch@FreeBSD.ORG Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On 09-May-2002 Poul-Henning Kamp wrote: > > So, Status: > > 1. Yes, 32->64 brings sufficient havoc that a new ABI is a good idea. > > 2. Yes, we have at least one way to mark the ELF binaries as using > the new ABI. > > 3. TBD: name/numbering of new ABI. > > 4. Yes, kernel side should be split into $ABI_$syscall() which does > the copyins and type conversions and sc_$syscall() which operates > entirely in kernel native data types. I would just leave the latter as $syscall() but that's not a big deal. > 5. TBD: Split header files in > src/sys/sys into src/sys/include and src/sys/$ABI. > src/$arch/include into src/$arch/include and src/$arch/$ABI > to separate userland/syscall arguments from kernel native arguments. > > 6. TBD: Review and approval process for new syscall definition. > > 7. TBD: Decision process if/when -current/5.0 switches to new API > > (TBD: To Be Determined == still outstanding) > > Is this correctly interpreted ? Yes. 5 is ugly but I don't have any better ideas. -- 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-arch" in the body of the message