From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 05 Jan 2026 13:32:16 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vcjku-001WJD-0J for lore@lore.pengutronix.de; Mon, 05 Jan 2026 13:32:16 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vcjkt-0006Ul-IB for lore@pengutronix.de; Mon, 05 Jan 2026 13:32:16 +0100 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:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=CVQy4HOsr4FC6xXSsSF1o1MgC25bsm6OKdPLiZAelco=; b=VS5IzP1MP/pSAr62j+/uHuGSG1 SUBRjuDxkQvWWC5IxsDy1fF4ppjWO1dM7TXmCpi3nNFUgGkrxvCHb62egAaoQnr2o5jplCmCGFp9s 76lGdcNwmB32+oX3uHw2i8Xsmr+CKnWjPUCUfqOqSJZQYuNwIcu0vtGBRfh0Mbj8bPe3ZRBSLmw5j UHT0sWybpzVPL0bbibuWinv9+mTtKZ1w8vlguyQRYydy6MN/gmSHH6bUrK61oPPEP4iLNlS35q8Dq m6LTKnJ6hZDtK4yZ3NJAHVauoGKBJkyxzS6c00XNX2ZqvMakFVKIdGVokiuLJ3P9fBi3LHhEDxSTU P6s31Aog==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vcjkV-0000000BIeo-23nd; Mon, 05 Jan 2026 12:31:51 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vcjkT-0000000BIdi-2676 for barebox@lists.infradead.org; Mon, 05 Jan 2026 12:31:50 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=[127.0.0.1]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1vcjkR-0006QC-Up; Mon, 05 Jan 2026 13:31:48 +0100 Message-ID: Date: Mon, 5 Jan 2026 13:31:47 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Sascha Hauer Cc: BAREBOX , "Claude Sonnet 4.5" References: <20260105-pbl-load-elf-v1-0-e97853f98232@pengutronix.de> <20260105-pbl-load-elf-v1-12-e97853f98232@pengutronix.de> Content-Language: en-US, de-DE, de-BE From: Ahmad Fatoum In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260105_043149_562467_F00A5C8A X-CRM114-Status: GOOD ( 15.74 ) 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.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 12/19] ARM: use relative jumps in exception table X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Hi, On 1/5/26 1:29 PM, Sascha Hauer wrote: > On Mon, Jan 05, 2026 at 12:44:13PM +0100, Ahmad Fatoum wrote: >> Hello Sascha, >> >> On 1/5/26 12:26 PM, Sascha Hauer wrote: >>> Create position-independent exception vectors using relative branches >>> instead of absolute addresses. This works on ARMv7 onwards which >>> supports setting the address of the exception vectors. >>> >>> New .text_inplace_exceptions section contains PC-relative branches, >>> enabling barebox proper to start with MMU already configured using >>> ELF segment addresses. >>> >>> Signed-off-by: Sascha Hauer >> >> Why do we even need arm_fixup_vectors? There should already be >> relocation entries emitted for .word symbol lines, so given that we only >> install the vector table after relocation, it should be possible to >> simply drop arm_fixup_vectors? > > No, just verified that there are no relocation entries. I don't know if > there's some other trick to get them relocated. Interesting. I will compare later and see what's different in my patch stack. Cheers, Ahmad > > Sascha > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |