From owner-freebsd-arch Tue Jun 13 9:26:50 2000 Delivered-To: freebsd-arch@freebsd.org Received: from smtp05.primenet.com (smtp05.primenet.com [206.165.6.135]) by hub.freebsd.org (Postfix) with ESMTP id 0C2DE37BF0B for ; Tue, 13 Jun 2000 09:26:47 -0700 (PDT) (envelope-from tlambert@usr05.primenet.com) Received: (from daemon@localhost) by smtp05.primenet.com (8.9.3/8.9.3) id JAA01160; Tue, 13 Jun 2000 09:26:55 -0700 (MST) Received: from usr05.primenet.com(206.165.6.205) via SMTP by smtp05.primenet.com, id smtpdAAAgOaGoc; Tue Jun 13 09:26:47 2000 Received: (from tlambert@localhost) by usr05.primenet.com (8.8.5/8.8.5) id JAA08218; Tue, 13 Jun 2000 09:26:33 -0700 (MST) From: Terry Lambert Message-Id: <200006131626.JAA08218@usr05.primenet.com> Subject: Re: Syscalls and execve To: dfr@nlsystems.com (Doug Rabson) Date: Tue, 13 Jun 2000 16:26:33 +0000 (GMT) Cc: eischen@vigrid.com (Daniel Eischen), bde@zeta.org.au (Bruce Evans), arch@FreeBSD.ORG In-Reply-To: from "Doug Rabson" at Jun 13, 2000 08:29:51 AM X-Mailer: ELM [version 2.5 PL2] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > This isn't a big deal, we can just have a different set of routines > > to handle trapframes for the alpha, but if there is an opportunity > > to make trapframes and signal frames consistent (as they are on > > i386)... > > It would be difficult to make trapframe match sigcontext without changing > sigcontext to look more like the current trapframe (which is partly > dictated by PALcode). I don't think the associated cost of changing the > kernel ABI is worth the gain. Also, the fpregs state is totally unneeded > for trapframe since the kernel doesn't disturb the fp state during traps. What do NetBSD and OSF (DEC UNIX/TRUE64) do? I would think binary compatability with them was more important anyway... Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message