From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 26 Sep 2024 13:23:44 +0200 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 1stmb0-002yq4-3C for lore@lore.pengutronix.de; Thu, 26 Sep 2024 13:23:44 +0200 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 1stmaz-0002e6-DY for lore@pengutronix.de; Thu, 26 Sep 2024 13:23:43 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:To:In-Reply-To: References:Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version: Subject:Date:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=6PsnaBDHuJMgVDlW0vC5davzfXlhF3qLCZKqbWPTDpY=; b=i4ua5EYpyA0VIQc3FmTZ/cehH6 wmPjE/R/54mKgSSgjpSWl7UsL35xI39NvQbLOkyq1QIaXreEY294PsOXzfJkuNdTt+HET0wpTr8fD vJUR4a1hmiC7mbvgGVEAOexINeymomdAk5Y/DIze9gCZqN8f9oEfs7vn5Y3FAzKRGv9k1XdkK+bUF Vc5b0ntrQkQ69fTYLmiXZqZrRP+/eUJc3UxL2b022n1Ny1eQmPBQiPaoAU51nVYB2mFmAu5DqlCvU Lp7oNk+Sj9u7OYlqfqri9wPKk57IHUlh0BY2XbTNl5R8O7JhFQ2lzhuOMWQrZnvq7frlvGsjIPnXW o7jMc3Dw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1stmaR-00000008DYW-0B9d; Thu, 26 Sep 2024 11:23:07 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1stmUm-00000008Ccq-0hhU for barebox@lists.infradead.org; Thu, 26 Sep 2024 11:17:17 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1stmUc-0006sv-Sy; Thu, 26 Sep 2024 13:17:06 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1stmUc-001fju-9I; Thu, 26 Sep 2024 13:17:06 +0200 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1stmUc-00FhS5-23; Thu, 26 Sep 2024 13:17:06 +0200 From: Sascha Hauer Date: Thu, 26 Sep 2024 13:17:11 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240926-arm-assembly-memmove-v2-9-0a3313d29a66@pengutronix.de> References: <20240926-arm-assembly-memmove-v2-0-0a3313d29a66@pengutronix.de> In-Reply-To: <20240926-arm-assembly-memmove-v2-0-0a3313d29a66@pengutronix.de> To: "open list:BAREBOX" X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1727349426; l=1481; i=s.hauer@pengutronix.de; s=20230412; h=from:subject:message-id; bh=/dLcDq0rOEgnMIROLOehqA5VmyIlOIqWAY0VloUa9UE=; b=MAky55IH4CS9aVuh33BoqoVOSzmpOylyV+nwXlu8ugbCW7792Xs2vqg4CtwtYNOcTjxZyAzJg S1WV9/O+yR0Ab3Rp+iv2m4SPer/7tC+7H9iEWFynEf5W57E/ZLSI2Pn X-Developer-Key: i=s.hauer@pengutronix.de; a=ed25519; pk=4kuc9ocmECiBJKWxYgqyhtZOHj5AWi7+d0n/UjhkwTg= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240926_041716_242580_12E92F8F X-CRM114-Status: GOOD ( 10.30 ) 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: , Cc: Ahmad Fatoum 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: [PATCH v2 09/10] lib/string.c: export non optimized memmove as __default_memmove 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) When an architecture defines __HAVE_ARCH_MEMMOVE then the generic non optimized memmove is not compiled in. It is needed on ARM64 as a fallback in certain cases though, so make it available as __default_memmove just like done with __default_memcpy already. Reviewed-by: Ahmad Fatoum Signed-off-by: Sascha Hauer --- lib/string.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/lib/string.c b/lib/string.c index 374f326143..98dd3cffdd 100644 --- a/lib/string.c +++ b/lib/string.c @@ -666,7 +666,6 @@ void *mempcpy(void *dest, const void *src, size_t count) } EXPORT_SYMBOL(mempcpy); -#ifndef __HAVE_ARCH_MEMMOVE /** * memmove - Copy one area of memory to another * @dest: Where to copy to @@ -675,7 +674,7 @@ EXPORT_SYMBOL(mempcpy); * * Unlike memcpy(), memmove() copes with overlapping areas. */ -void * memmove(void * dest,const void *src,size_t count) +void *__default_memmove(void * dest,const void *src,size_t count) { char *tmp, *s; @@ -694,6 +693,13 @@ void * memmove(void * dest,const void *src,size_t count) return dest; } +EXPORT_SYMBOL(__default_memmove); + +#ifndef __HAVE_ARCH_MEMMOVE +void *memmove(void * dest, const void *src, size_t count) + __alias(__default_memmove); +void *__memmove(void * dest, const void *src, size_t count) + __alias(__default_memmove); #endif EXPORT_SYMBOL(memmove); -- 2.39.5