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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 9EB42C4707F for ; Thu, 27 May 2021 16:54:19 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 57E0E613C3 for ; Thu, 27 May 2021 16:54:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 57E0E613C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=m71M3NwcCViwJVjBmXu8wewNNz30Jt09/fXPbzMAxoM=; b=D9JZ8GkoAMB15g LRqN6E7wiRQYkDXlqM5upBLNRl6VJMqaPfuPgsGOHAZc9WitGc01g1Y1gJP9Zhnj/M9NUWqebe1H1 P5drDVStVDOiI1O4tvyveVB9rRIIEjeZjm40epXnpwhnfTZB6+2QOru7heaokM1++aCC/hidn1fwV 82alE3smvXPMPNJlgyU7SPTZTDMLTbIBRzBwFO699t0xbTUvPvAUOvI3FB0PJxURefZsKR8Qrz+BL uSBg9KcPeIgiafd1Li563PpGEG1zQvD4cSWh1c68uGwL/GRZQ8sxsEaB8Td4StkskK0mGXJ5oD5bB Zgo1ecVYUuwKASdpLlow==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lmJFL-007oHv-Af; Thu, 27 May 2021 16:52:35 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lmI2J-007GJl-Gx for linux-arm-kernel@lists.infradead.org; Thu, 27 May 2021 15:35:06 +0000 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 6E4DA169C; Thu, 27 May 2021 08:35:01 -0700 (PDT) Received: from e110467-lin.cambridge.arm.com (e110467-lin.cambridge.arm.com [10.1.196.41]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id B1DC23F73B; Thu, 27 May 2021 08:35:00 -0700 (PDT) From: Robin Murphy To: will@kernel.org, catalin.marinas@arm.com Cc: linux-arm-kernel@lists.infradead.org, mark.rutland@arm.com Subject: [PATCH v2 5/8] arm64: Add assembly annotations for weak-PI-alias madness Date: Thu, 27 May 2021 16:34:45 +0100 Message-Id: <75545b3c4129b20b887474bb58a9cf302bf2132b.1622128527.git.robin.murphy@arm.com> X-Mailer: git-send-email 2.21.0.dirty In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210527_083503_680724_CD0C523D X-CRM114-Status: UNSURE ( 8.04 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add yet another set of assembly symbol annotations, this time for the borderline-absurd situation of a function aliasing to a weak symbol which itself also wants a position-independent alias. Signed-off-by: Robin Murphy --- arch/arm64/include/asm/linkage.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/include/asm/linkage.h b/arch/arm64/include/asm/linkage.h index ba89a9af820a..9906541a6861 100644 --- a/arch/arm64/include/asm/linkage.h +++ b/arch/arm64/include/asm/linkage.h @@ -56,8 +56,16 @@ SYM_FUNC_START_ALIAS(__pi_##x); \ SYM_FUNC_START_WEAK(x) +#define SYM_FUNC_START_WEAK_ALIAS_PI(x) \ + SYM_FUNC_START_ALIAS(__pi_##x); \ + SYM_START(x, SYM_L_WEAK, SYM_A_ALIGN) + #define SYM_FUNC_END_PI(x) \ SYM_FUNC_END(x); \ SYM_FUNC_END_ALIAS(__pi_##x) +#define SYM_FUNC_END_ALIAS_PI(x) \ + SYM_FUNC_END_ALIAS(x); \ + SYM_FUNC_END_ALIAS(__pi_##x) + #endif -- 2.21.0.dirty _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel