From owner-freebsd-ia64 Tue Dec 17 17:57:30 2002 Delivered-To: freebsd-ia64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3F41837B401 for ; Tue, 17 Dec 2002 17:57:29 -0800 (PST) Received: from kayak.xcllnt.net (209-128-86-226.BAYAREA.NET [209.128.86.226]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4D66D43E4A for ; Tue, 17 Dec 2002 17:57:28 -0800 (PST) (envelope-from marcel@xcllnt.net) Received: from dhcp01.pn.xcllnt.net (dhcp01.pn.xcllnt.net [192.168.4.201]) by kayak.xcllnt.net (8.12.6/8.12.6) with ESMTP id gBI1vRrT083191; Tue, 17 Dec 2002 17:57:27 -0800 (PST) (envelope-from marcel@kayak.pn.xcllnt.net) Received: from dhcp01.pn.xcllnt.net (localhost [127.0.0.1]) by dhcp01.pn.xcllnt.net (8.12.6/8.12.6) with ESMTP id gBI1wBWg001613; Tue, 17 Dec 2002 17:58:12 -0800 (PST) (envelope-from marcel@dhcp01.pn.xcllnt.net) Received: (from marcel@localhost) by dhcp01.pn.xcllnt.net (8.12.6/8.12.6/Submit) id gBI1wBFE001612; Tue, 17 Dec 2002 17:58:11 -0800 (PST) Date: Tue, 17 Dec 2002 17:58:11 -0800 From: Marcel Moolenaar To: socketd Cc: ia64@FreeBSD.ORG Subject: Re: Memory permissions Message-ID: <20021218015811.GA1583@dhcp01.pn.xcllnt.net> References: <200212172315.gBHNF2Bk023467@smtp040.tiscali.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200212172315.gBHNF2Bk023467@smtp040.tiscali.dk> User-Agent: Mutt/1.5.1i Sender: owner-freebsd-ia64@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Wed, Dec 18, 2002 at 12:18:38AM +0100, socketd wrote: > > > On Tue, 17 Dec 2002, Marcel Moolenaar wrote: > > > I have asked in hackers@ but got no answer, so I'll try here. > > > Within the thing we call "x86 compatible", we have ia32 and ia64 right? > > > > No. ia64 (formally known as IPF) is not compatible with ia32 (or i386). > > ia64 does have a ia32 compatibility mode that allows one to run ia32 > > binaries on ia64, but it's an emulation. > > Ah ok, I can (more or less) program in assembly for i386, would I have to > learn assembly for ia64 also? That depends if you want or need to program in assembly. Your i386 assembly knowledge will not really help. > Ia64 is the next generation right? Meaning that intel, amd and all the > other will at some point stop making ia32 and move to ia64? Possibly. ia64 is not the only possible next step. > > Yes. ia64 has distinct attributes for read, write and execute. > > Great, then it won't be long before we have non-executable heaps and stacks > in FreeBSD....or atleast a syscall to make a process stack/heap > non-executable...I hope :-) ... or a syscall to make it executable... -- Marcel Moolenaar USPA: A-39004 marcel@xcllnt.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-ia64" in the body of the message