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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E826BC77B60 for ; Sat, 29 Apr 2023 08:17:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230460AbjD2IRg (ORCPT ); Sat, 29 Apr 2023 04:17:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58330 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230392AbjD2IRf (ORCPT ); Sat, 29 Apr 2023 04:17:35 -0400 Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B32051982 for ; Sat, 29 Apr 2023 01:17:33 -0700 (PDT) Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4Q7j576mY3z1r1Mf; Sat, 29 Apr 2023 10:17:31 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4Q7j5761vFz1qqlS; Sat, 29 Apr 2023 10:17:31 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id U03LBZfJiclI; Sat, 29 Apr 2023 10:17:31 +0200 (CEST) X-Auth-Info: Eo4QWUJCith/4biZVa+243C49ipkDTNpBj/ooSg+T5VnUCMOoALphlQIqfl1NMGB Received: from igel.home (aftr-82-135-86-255.dynamic.mnet-online.de [82.135.86.255]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sat, 29 Apr 2023 10:17:31 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id B73B02C14D1; Sat, 29 Apr 2023 10:17:30 +0200 (CEST) From: Andreas Schwab To: Michael Schmitz Cc: linux-m68k@vger.kernel.org, geert@linux-m68k.org, Finn Thain , Stan Johnson Subject: Re: [PATCH RFC v1] m68k: signal.c: use signal frame gap to avoid stack corruption In-Reply-To: <20230429080410.8993-1-schmitzmic@gmail.com> (Michael Schmitz's message of "Sat, 29 Apr 2023 20:04:10 +1200") References: <20230429080410.8993-1-schmitzmic@gmail.com> X-Yow: Did YOU find a DIGITAL WATCH in YOUR box of VELVEETA? Date: Sat, 29 Apr 2023 10:17:30 +0200 Message-ID: <871qk385lx.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-m68k@vger.kernel.org On Apr 29 2023, Michael Schmitz wrote: > We can use the format b fault address in frame.un.fmtb.daddr > to find the address where the fault occurred, i.e. the > address where the instruction will resume. I don't think you can assume any order of transfer. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."