From owner-svn-src-head@freebsd.org Tue Jun 4 15:44:32 2019 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 28FE715B538D; Tue, 4 Jun 2019 15:44:32 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C29F76F649; Tue, 4 Jun 2019 15:44:31 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 978131F95A; Tue, 4 Jun 2019 15:44:31 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x54FiVvx044088; Tue, 4 Jun 2019 15:44:31 GMT (envelope-from emaste@FreeBSD.org) Received: (from emaste@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x54FiVXp044087; Tue, 4 Jun 2019 15:44:31 GMT (envelope-from emaste@FreeBSD.org) Message-Id: <201906041544.x54FiVXp044087@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: emaste set sender to emaste@FreeBSD.org using -f From: Ed Maste Date: Tue, 4 Jun 2019 15:44:31 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r348628 - head/sys/sys X-SVN-Group: head X-SVN-Commit-Author: emaste X-SVN-Commit-Paths: head/sys/sys X-SVN-Commit-Revision: 348628 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: C29F76F649 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.97)[-0.973,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Jun 2019 15:44:32 -0000 Author: emaste Date: Tue Jun 4 15:44:31 2019 New Revision: 348628 URL: https://svnweb.freebsd.org/changeset/base/348628 Log: elf_common: add GNU note types and NT_GNU_PROPERTY_TYPE_0 bits To support Intel CET IBT/Shadow Stack. Reviewed by: markj MFC after: 1 week Sponsored by: The FreeBSD Foundation Modified: head/sys/sys/elf_common.h Modified: head/sys/sys/elf_common.h ============================================================================== --- head/sys/sys/elf_common.h Tue Jun 4 15:42:30 2019 (r348627) +++ head/sys/sys/elf_common.h Tue Jun 4 15:44:31 2019 (r348628) @@ -785,6 +785,21 @@ typedef struct { #define NT_X86_XSTATE 0x202 /* x86 XSAVE extended state. */ #define NT_ARM_VFP 0x400 /* ARM VFP registers */ +/* GNU note types. */ +#define NT_GNU_ABI_TAG 1 +#define NT_GNU_HWCAP 2 +#define NT_GNU_BUILD_ID 3 +#define NT_GNU_GOLD_VERSION 4 +#define NT_GNU_PROPERTY_TYPE_0 5 + +#define GNU_PROPERTY_LOPROC 0xc0000000 +#define GNU_PROPERTY_HIPROC 0xdfffffff + +#define GNU_PROPERTY_X86_FEATURE_1_AND 0xc0000002 + +#define GNU_PROPERTY_X86_FEATURE_1_IBT 0x00000001 +#define GNU_PROPERTY_X86_FEATURE_1_SHSTK 0x00000002 + /* Symbol Binding - ELFNN_ST_BIND - st_info */ #define STB_LOCAL 0 /* Local symbol */ #define STB_GLOBAL 1 /* Global symbol */