| Message ID | 20201209222320.1724-23-yu-cheng.yu@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show
Return-Path: <SRS0=HCdn=FN=kvack.org=owner-linux-mm@kernel.org> 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=-16.7 required=3.0 tests=BAYES_00, 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 B9DF5C433FE for <linux-mm@archiver.kernel.org>; Wed, 9 Dec 2020 22:24:29 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6B3BE22CB2 for <linux-mm@archiver.kernel.org>; Wed, 9 Dec 2020 22:24:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6B3BE22CB2 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 87CCA8D006F; Wed, 9 Dec 2020 17:23:58 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 74E278D0073; Wed, 9 Dec 2020 17:23:58 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4B9648D006F; Wed, 9 Dec 2020 17:23:58 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0154.hostedemail.com [216.40.44.154]) by kanga.kvack.org (Postfix) with ESMTP id 103598D006F for <linux-mm@kvack.org>; Wed, 9 Dec 2020 17:23:58 -0500 (EST) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id CEAC6180AD806 for <linux-mm@kvack.org>; Wed, 9 Dec 2020 22:23:57 +0000 (UTC) X-FDA: 77575172514.25.waves15_36104aa273f3 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin25.hostedemail.com (Postfix) with ESMTP id AF7D81804E3A1 for <linux-mm@kvack.org>; Wed, 9 Dec 2020 22:23:57 +0000 (UTC) X-HE-Tag: waves15_36104aa273f3 X-Filterd-Recvd-Size: 3638 Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by imf31.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Wed, 9 Dec 2020 22:23:56 +0000 (UTC) IronPort-SDR: Z6bjQuMDP4b0N0dQX2sD1y/8rZNXIO+NbNq/H7/zIRd5UAElL+9HctgkB8VDYtBOrOM2wDrQF6 VAeskrQYwfFQ== X-IronPort-AV: E=McAfee;i="6000,8403,9830"; a="235754707" X-IronPort-AV: E=Sophos;i="5.78,407,1599548400"; d="scan'208";a="235754707" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Dec 2020 14:23:52 -0800 IronPort-SDR: E6X+PJx5M9WG91KmDjr+bK1OWFTThgqyMJyA1PrYDsK0zQNgFVZOa5Clc1htRMy1tLKSOkuRDx BXlcFaYEh+2A== X-IronPort-AV: E=Sophos;i="5.78,407,1599548400"; d="scan'208";a="318543586" Received: from yyu32-desk.sc.intel.com ([143.183.136.146]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Dec 2020 14:23:52 -0800 From: Yu-cheng Yu <yu-cheng.yu@intel.com> To: x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, 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 <arnd@arndb.de>, Andy Lutomirski <luto@kernel.org>, Balbir Singh <bsingharora@gmail.com>, Borislav Petkov <bp@alien8.de>, Cyrill Gorcunov <gorcunov@gmail.com>, Dave Hansen <dave.hansen@linux.intel.com>, Eugene Syromiatnikov <esyr@redhat.com>, Florian Weimer <fweimer@redhat.com>, "H.J. Lu" <hjl.tools@gmail.com>, Jann Horn <jannh@google.com>, Jonathan Corbet <corbet@lwn.net>, Kees Cook <keescook@chromium.org>, Mike Kravetz <mike.kravetz@oracle.com>, Nadav Amit <nadav.amit@gmail.com>, Oleg Nesterov <oleg@redhat.com>, Pavel Machek <pavel@ucw.cz>, Peter Zijlstra <peterz@infradead.org>, Randy Dunlap <rdunlap@infradead.org>, "Ravi V. Shankar" <ravi.v.shankar@intel.com>, Vedvyas Shanbhogue <vedvyas.shanbhogue@intel.com>, Dave Martin <Dave.Martin@arm.com>, Weijiang Yang <weijiang.yang@intel.com>, Pengfei Xu <pengfei.xu@intel.com> Cc: Yu-cheng Yu <yu-cheng.yu@intel.com> Subject: [PATCH v16 22/26] binfmt_elf: Define GNU_PROPERTY_X86_FEATURE_1_AND properties Date: Wed, 9 Dec 2020 14:23:16 -0800 Message-Id: <20201209222320.1724-23-yu-cheng.yu@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20201209222320.1724-1-yu-cheng.yu@intel.com> References: <20201209222320.1724-1-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: <linux-mm.kvack.org> |
| Series |
Control-flow Enforcement: Shadow Stack
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expand
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diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h index 30f68b42eeb5..7f0e46780a35 100644 --- a/include/uapi/linux/elf.h +++ b/include/uapi/linux/elf.h @@ -455,4 +455,13 @@ typedef struct elf64_note { /* Bits for GNU_PROPERTY_AARCH64_FEATURE_1_BTI */ #define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0) +/* .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_IBT | \ + GNU_PROPERTY_X86_FEATURE_1_SHSTK) + #endif /* _UAPI_LINUX_ELF_H */
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 <yu-cheng.yu@intel.com> --- include/uapi/linux/elf.h | 9 +++++++++ 1 file changed, 9 insertions(+)