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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 E9768C43464 for ; Fri, 18 Sep 2020 19:23:06 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A24F1221EC for ; Fri, 18 Sep 2020 19:23:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A24F1221EC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 471AA6B0082; Fri, 18 Sep 2020 15:22:27 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 383DE6B0083; Fri, 18 Sep 2020 15:22:27 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 228E66B0085; Fri, 18 Sep 2020 15:22:27 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0131.hostedemail.com [216.40.44.131]) by kanga.kvack.org (Postfix) with ESMTP id D764C6B0083 for ; Fri, 18 Sep 2020 15:22:26 -0400 (EDT) Received: from smtpin13.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 9FB94180AD806 for ; Fri, 18 Sep 2020 19:22:26 +0000 (UTC) X-FDA: 77277153492.13.page22_4d037342712d Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin13.hostedemail.com (Postfix) with ESMTP id 802D518140B67 for ; Fri, 18 Sep 2020 19:22:26 +0000 (UTC) X-HE-Tag: page22_4d037342712d X-Filterd-Recvd-Size: 3680 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by imf23.hostedemail.com (Postfix) with ESMTP for ; Fri, 18 Sep 2020 19:22:25 +0000 (UTC) IronPort-SDR: xOmWZnX4EqHKOzIo7lX/4N4UI/6BHaVmLimSDdgp/kfDr8nYHUeENa9a3v6ahKg9PHD+xco5V/ f4qObetb4hMg== X-IronPort-AV: E=McAfee;i="6000,8403,9748"; a="147696194" X-IronPort-AV: E=Sophos;i="5.77,274,1596524400"; d="scan'208";a="147696194" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Sep 2020 12:22:24 -0700 IronPort-SDR: UJxugeNmZU2ORv55HZu830MYsPKiee3ITb2kM28K6S93xwO2uDc2hgYDDYe0PHEcWUQsY32u0a upQEUa3oI1ig== X-IronPort-AV: E=Sophos;i="5.77,274,1596524400"; d="scan'208";a="484331901" Received: from yyu32-desk.sc.intel.com ([143.183.136.146]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Sep 2020 12:22:24 -0700 From: Yu-cheng Yu To: x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Borislav Petkov , Cyrill Gorcunov , Dave Hansen , Eugene Syromiatnikov , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , Randy Dunlap , "Ravi V. Shankar" , Vedvyas Shanbhogue , Dave Martin , Weijiang Yang Cc: Yu-cheng Yu Subject: [PATCH v12 22/26] binfmt_elf: Define GNU_PROPERTY_X86_FEATURE_1_AND properties Date: Fri, 18 Sep 2020 12:21:20 -0700 Message-Id: <20200918192125.25473-23-yu-cheng.yu@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200918192125.25473-1-yu-cheng.yu@intel.com> References: <20200918192125.25473-1-yu-cheng.yu@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: An ELF file's .note.gnu.property indicates architecture features of the file.. Introduce feature definitions for Shadow Stack and Indirect Branch Tracking. Signed-off-by: Yu-cheng Yu --- include/uapi/linux/elf.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h index 22220945a5fd..ca5875f384f6 100644 --- a/include/uapi/linux/elf.h +++ b/include/uapi/linux/elf.h @@ -454,4 +454,13 @@ typedef struct elf64_note { /* Bits for GNU_PROPERTY_AARCH64_FEATURE_1_BTI */ #define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0) =20 +/* .note.gnu.property types for x86: */ +#define GNU_PROPERTY_X86_FEATURE_1_AND 0xc0000002 + +/* Bits for GNU_PROPERTY_X86_FEATURE_1_AND */ +#define GNU_PROPERTY_X86_FEATURE_1_IBT 0x00000001 +#define GNU_PROPERTY_X86_FEATURE_1_SHSTK 0x00000002 +#define GNU_PROPERTY_X86_FEATURE_1_INVAL ~(GNU_PROPERTY_X86_FEATURE_1_IB= T | \ + GNU_PROPERTY_X86_FEATURE_1_SHSTK) + #endif /* _UAPI_LINUX_ELF_H */ --=20 2.21.0