From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 13 Oct 2022 13:54:06 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1oiwmt-007Jap-9v for lore@lore.pengutronix.de; Thu, 13 Oct 2022 13:54:06 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oiwmr-0007j4-8c for lore@pengutronix.de; Thu, 13 Oct 2022 13:54:05 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Ygg40eMlP4Ak9bqbCTwwV/M49g9F2fbrQOIu+rHAh5E=; b=FZ2nyGK6+UYqioPJPfo7LpyNhL cupPcLhgYkXZwGCxp9a2hEZBUgeqL6hAQUohGGBNQEDmDvlyAO2nn2YUKegstT8u/8nMJWdgJW3qa d1FsAjWARR+P+e2TruA/ZB7o13xpZOsi3pGsT0kS6Hk9owH5TVAHzon7rXCjt9qCCnQUQs1ObYMTY EmbEX8zcZTZONkkStOAPH0kAL53habD8omz8sd+4G83qrhKn27HqoQPPTBx/iYqftRMvBkWAbDzZz T4lz7wQI3d72JPFUJKkRG8rBy6le2pzHu2bKRrcx/ERz698Y/N6QCUABV6MKqDLrrKRvXeSLXuAAJ KFW1GUQA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiwlH-00BbTM-8k; Thu, 13 Oct 2022 11:52:27 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiwlC-00BbSW-5l for barebox@lists.infradead.org; Thu, 13 Oct 2022 11:52:23 +0000 Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oiwl4-0007Z7-Kl; Thu, 13 Oct 2022 13:52:14 +0200 Received: from mfe by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1oiwl4-00050E-E1; Thu, 13 Oct 2022 13:52:14 +0200 Date: Thu, 13 Oct 2022 13:52:14 +0200 From: Marco Felsch To: Ahmad Fatoum Cc: barebox@lists.infradead.org Message-ID: <20221013115214.3bvxg2v3gj653d6s@pengutronix.de> References: <20221013090352.562170-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221013090352.562170-1-a.fatoum@pengutronix.de> User-Agent: NeoMutt/20180716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221013_045222_227469_87224BED X-CRM114-Status: UNSURE ( 7.70 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.6 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH master 0/3] Fix GCC 11 THUMB2 relocate_to_current_adr miscompile X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) Hi Ahmad, On 22-10-13, Ahmad Fatoum wrote: > TL;DR: GCC can prove that variables aren't supposed to overlap and as > such it generated code than readded get_runtime_offset() on top of an > already relocated linker-defined variable's address. > See PATCH 2/3 for a disassembly of the affected code. Board code can > be similarly micompiled, but that's a fix for another day. I didn't received a 2/3 nor a 1/3 yet. Does it stuck somewhere? Regards, Marco