Re: [RFC PATCH v9 21/27] binfmt_elf: Define GNU_PROPERTY_X86_FEATURE_1_AND
From: Kees Cook <hidden>
Date: 2020-02-25 21:18:53
Also in:
linux-arch, linux-doc, linux-mm, lkml
On Wed, Feb 05, 2020 at 10:19:29AM -0800, Yu-cheng Yu wrote:
An ELF file's .note.gnu.property indicates architecture features of the file. Introduce feature definitions for Control-flow Enforcement Technology (CET): Shadow Stack and Indirect Branch Tracking. Signed-off-by: Yu-cheng Yu <redacted>
Why not merge with patch 20? -Kees
quoted hunk ↗ jump to hunk
--- include/uapi/linux/elf.h | 7 +++++++ 1 file changed, 7 insertions(+)diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h index c37731407074..61251ecabdd7 100644 --- a/include/uapi/linux/elf.h +++ b/include/uapi/linux/elf.h@@ -444,4 +444,11 @@ typedef struct elf64_note { Elf64_Word n_type; /* Content type */ } Elf64_Nhdr; +/* .note.gnu.property types */ +#define GNU_PROPERTY_X86_FEATURE_1_AND 0xc0000002 + +/* Bits of GNU_PROPERTY_X86_FEATURE_1_AND */ +#define GNU_PROPERTY_X86_FEATURE_1_IBT 0x00000001 +#define GNU_PROPERTY_X86_FEATURE_1_SHSTK 0x00000002 + #endif /* _UAPI_LINUX_ELF_H */-- 2.21.0
-- Kees Cook