| Message ID | 20201110162211.9207-23-yu-cheng.yu@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show
Return-Path: <SRS0=ew8G=EQ=kvack.org=owner-linux-mm@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E7FAA697 for <patchwork-linux-mm@patchwork.kernel.org>; Tue, 10 Nov 2020 16:23:58 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id AE3CE20780 for <patchwork-linux-mm@patchwork.kernel.org>; Tue, 10 Nov 2020 16:23:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AE3CE20780 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 F03696B005D; Tue, 10 Nov 2020 11:23:08 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id E8B606B0068; Tue, 10 Nov 2020 11:23:08 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D2A676B00A0; Tue, 10 Nov 2020 11:23:08 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id A0F5E6B005D for <linux-mm@kvack.org>; Tue, 10 Nov 2020 11:23:08 -0500 (EST) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 4659F180AD801 for <linux-mm@kvack.org>; Tue, 10 Nov 2020 16:23:08 +0000 (UTC) X-FDA: 77469028056.14.cow65_480622f272f6 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin14.hostedemail.com (Postfix) with ESMTP id C7DAC180144A8 for <linux-mm@kvack.org>; Tue, 10 Nov 2020 16:22:58 +0000 (UTC) X-Spam-Summary: 1,0,0,,d41d8cd98f00b204,yu-cheng.yu@intel.com,,RULES_HIT:30054:30056:30064,0,RBL:134.134.136.65:@intel.com:.lbl8.mailshell.net-62.18.0.100 64.95.201.95;04yrghkpguhyxwbbxbyscqrphsgonypptqj71fci5rndinhfazixr8uujj5bsj8.hqyfbrfqyi9epxcm4q687oxwe7zqnq4arow7hbr9j4tead6epgwue647bzgjggd.g-lbl8.mailshell.net-223.238.255.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:ft,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:70,LUA_SUMMARY:none X-HE-Tag: cow65_480622f272f6 X-Filterd-Recvd-Size: 3715 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by imf18.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Tue, 10 Nov 2020 16:22:57 +0000 (UTC) IronPort-SDR: Pu55RcX3AfIgtp0v0Kw7ynrzOoGAfC+ypDn4LsGmpCTQSAngoe/OM9sTXO5SjFPilu+FCp0C37 eExUGBMxhzsw== X-IronPort-AV: E=McAfee;i="6000,8403,9801"; a="170110991" X-IronPort-AV: E=Sophos;i="5.77,466,1596524400"; d="scan'208";a="170110991" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2020 08:22:55 -0800 IronPort-SDR: ga0SEOKii7twZfjgSVG4mFl/SJ6VWqYrLWmR0p/dLB0wy6M+YNft9yX4Wxeq2GsamSdy7mghon eFNBP3oEmS9Q== X-IronPort-AV: E=Sophos;i="5.77,466,1596524400"; d="scan'208";a="365572926" Received: from yyu32-desk.sc.intel.com ([143.183.136.146]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2020 08:22:54 -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 v15 22/26] binfmt_elf: Define GNU_PROPERTY_X86_FEATURE_1_AND properties Date: Tue, 10 Nov 2020 08:22:07 -0800 Message-Id: <20201110162211.9207-23-yu-cheng.yu@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20201110162211.9207-1-yu-cheng.yu@intel.com> References: <20201110162211.9207-1-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(+)