From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6226FC28CBC for ; Wed, 6 May 2020 10:34:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4358020663 for ; Wed, 6 May 2020 10:34:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728716AbgEFKe5 (ORCPT ); Wed, 6 May 2020 06:34:57 -0400 Received: from foss.arm.com ([217.140.110.172]:33354 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728890AbgEFKe4 (ORCPT ); Wed, 6 May 2020 06:34:56 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 6A2101FB; Wed, 6 May 2020 03:34:56 -0700 (PDT) Received: from arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 843823F71F; Wed, 6 May 2020 03:34:55 -0700 (PDT) Date: Wed, 6 May 2020 11:34:53 +0100 From: Dave Martin To: "Michael Kerrisk (man-pages)" Cc: Russell King , Catalin Marinas , Will Deacon , linux-man@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 1/2] syscall.2: arm: Use real register names for arm/OABI Message-ID: <20200506103453.GS30377@arm.com> References: <1588692280-15878-1-git-send-email-Dave.Martin@arm.com> <1588692280-15878-2-git-send-email-Dave.Martin@arm.com> <9c75b89f-be1e-52a7-e98c-46b7dfe89d1d@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9c75b89f-be1e-52a7-e98c-46b7dfe89d1d@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-man-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org On Wed, May 06, 2020 at 12:05:00PM +0200, Michael Kerrisk (man-pages) wrote: > On 5/5/20 5:24 PM, Dave Martin wrote: > > The arm OABI syscall interface is currently documented in terms of > > register name aliases defined by the ARM Procedure Call Standard > > (APCS). However, these don't make sense in the context of a binary > > interface that doesn't comply (or need to comply) with APCS. > > > > Use the real architectural register names instead. > > > > The names a1-a4, v1... are just aliases for r0-r3, r4... anyway, so > > the interface is just the same regardless of which set of names is > > used. > > > > Signed-off-by: Dave Martin > > Thanks, Dave. Patch applied, with Russell's Acked-by added. > > Cheers, > > Michael Thanks! ---Dave