Date: Tue, 3 Sep 2019 17:29:55 +0000 (UTC) From: Ed Maste <emaste@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r351766 - stable/11/sys/sys Message-ID: <201909031729.x83HTtXm077562@repo.freebsd.org>
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Author: emaste Date: Tue Sep 3 17:29:54 2019 New Revision: 351766 URL: https://svnweb.freebsd.org/changeset/base/351766 Log: MFC r348628: elf_common: add GNU note types and NT_GNU_PROPERTY_TYPE_0 bits To support Intel CET IBT/Shadow Stack. Sponsored by: The FreeBSD Foundation Modified: stable/11/sys/sys/elf_common.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/sys/elf_common.h ============================================================================== --- stable/11/sys/sys/elf_common.h Tue Sep 3 17:29:01 2019 (r351765) +++ stable/11/sys/sys/elf_common.h Tue Sep 3 17:29:54 2019 (r351766) @@ -766,6 +766,21 @@ 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 */
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