Received: by 2002:a05:6358:9144:b0:117:f937:c515 with SMTP id r4csp1859063rwr; Fri, 28 Apr 2023 02:53:13 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ5UNOLrpWOvcD1FpGy0jOJgYM1vYe/vTj6XlABlX5s1kyolYlHhZHnPdeXZwl5I4albfUgq X-Received: by 2002:a17:90b:4381:b0:247:56b3:4f2 with SMTP id in1-20020a17090b438100b0024756b304f2mr10785426pjb.7.1682675593607; Fri, 28 Apr 2023 02:53:13 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1682675593; cv=none; d=google.com; s=arc-20160816; b=ZLn30k9AlzBObVhnQv1NSlwICskkvg6cCSQp5rytWTfAZF+R1f7gUbS2Z4fVKgcaxT 5cFfJ3Cn/0ar69FUK15SgEHKeMWD/d98gBz/ha3LZdipHvDNowe/N/aTFdNz9FjyHkNE dQZKN0cdRWWgRE9XDhejUCK0w88WNfXhYxcI6OIf/LQ6/iK94vzO/I8Gc03R1v1EAUxI Tk2U8MEfG6kUfpRI5GG3APioGJGf3serP0IMY34SMP/b2sCn4ZBpcV9atlYhCa/s0Imd JH1whvjr/Ep+XsGstJRNmdFmaiJJfJDcGrm/azXyNpX8xS/bAYFt3Te8Ay4bwX1saX+F McAA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=ggxuzpee8soAzYDjYhn3CvpzzmPCoGjgXu2bQ6UwUmA=; b=gNBAo6o3qKVl3KQ3wQ7JRV26s2jXim2sZuSqN9Z5KhVtOhjCM02D2FssE/aUSM8iYe DmVElX0OtBOKSiZfPB47YV/50uxMWy3SvPZQn8l+jQh89JJhgC0Gx2cPnV/ZumH3+EvF HRRGiM8969LuwcFoNQKvzyAddDF0a1Y/lA4zWlCShcMK0fmIdiGDUW0tqlrfKuQwdTu/ nmLefpaTPgPMuLdSeuTDYwJ2aUNw/VmwEccCVNH6nR0vE5axVKUgLYq3nDgRIpxllHzb cB1K9y/jxI3pHQ8JSRkKMo9hfLjOZ1PCtBab3YogTdJkjeLFkcCaqYdU6Jn7FNlTqRpU +nUw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=antgroup.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id ie10-20020a17090b400a00b002449259314esi18785607pjb.158.2023.04.28.02.52.59; Fri, 28 Apr 2023 02:53:13 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=antgroup.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345685AbjD1JwD (ORCPT + 99 others); Fri, 28 Apr 2023 05:52:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59952 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345628AbjD1Jvy (ORCPT ); Fri, 28 Apr 2023 05:51:54 -0400 Received: from out0-218.mail.aliyun.com (out0-218.mail.aliyun.com [140.205.0.218]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F77149D5 for ; Fri, 28 Apr 2023 02:51:52 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R101e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018047194;MF=houwenlong.hwl@antgroup.com;NM=1;PH=DS;RN=11;SR=0;TI=SMTPD_---.STFoG4E_1682675505; Received: from localhost(mailfrom:houwenlong.hwl@antgroup.com fp:SMTPD_---.STFoG4E_1682675505) by smtp.aliyun-inc.com; Fri, 28 Apr 2023 17:51:45 +0800 From: "Hou Wenlong" To: linux-kernel@vger.kernel.org Cc: "Thomas Garnier" , "Lai Jiangshan" , "Kees Cook" , "Hou Wenlong" , "Thomas Gleixner" , "Ingo Molnar" , "Borislav Petkov" , "Dave Hansen" , , "H. Peter Anvin" Subject: [PATCH RFC 02/43] x86: Add macro to get symbol address for PIE support Date: Fri, 28 Apr 2023 17:50:42 +0800 Message-Id: <637c162d03b2c04f443d4308749fbffcb5093c63.1682673543.git.houwenlong.hwl@antgroup.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Thomas Garnier From: Thomas Garnier Add a new _ASM_MOVABS macro to fetch a symbol address. Replace "_ASM_MOV $, %dst" code construct that are not compatible with PIE. Signed-off-by: Thomas Garnier Signed-off-by: Hou Wenlong Cc: Lai Jiangshan Cc: Kees Cook --- arch/x86/include/asm/asm.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h index fbcfec4dc4cc..05974cc060c6 100644 --- a/arch/x86/include/asm/asm.h +++ b/arch/x86/include/asm/asm.h @@ -35,6 +35,7 @@ #define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8) #define _ASM_MOV __ASM_SIZE(mov) +#define _ASM_MOVABS __ASM_SEL(movl, movabsq) #define _ASM_INC __ASM_SIZE(inc) #define _ASM_DEC __ASM_SIZE(dec) #define _ASM_ADD __ASM_SIZE(add) -- 2.31.1