Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754589Ab1BMPIS (ORCPT ); Sun, 13 Feb 2011 10:08:18 -0500 Received: from ka.mail.enyo.de ([87.106.162.201]:53576 "EHLO ka.mail.enyo.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753989Ab1BMPIO (ORCPT ); Sun, 13 Feb 2011 10:08:14 -0500 From: Florian Weimer To: "H.J. Lu" Cc: x32-abi@googlegroups.com, GCC Development , GNU C Library , LKML Subject: Re: X32 psABI status References: <87aai1gdr7.fsf@mid.deneb.enyo.de> <4D5711E0.7020306@zytor.com> <87r5bcnwvw.fsf@mid.deneb.enyo.de> Date: Sun, 13 Feb 2011 16:07:57 +0100 In-Reply-To: (H. J. Lu's message of "Sun, 13 Feb 2011 05:45:21 -0800") Message-ID: <87tyg8j7le.fsf@mid.deneb.enyo.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 832 Lines: 18 * H. J. Lu: >> Actually, I'm wondering if you can do the translation in user space. >> There already are 32-on-64 implementations in existence, without >> kernel changes (recent Hotspot, LuaJIT, and probably some more). > > Please check out the x32 kernel source and provide feedback. I still don't understand why you need a separate syscall table. You should really be able to run on an unmodified amd64 kernel, in 64 bit mode. This would imply that tools like strace don't need any porting at all (you could just use the amd64 version), and even GDB would mostly worked unchanged. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/