[RFC PATCH v9 21/27] binfmt_elf: Define GNU_PROPERTY_X86_FEATURE_1_AND
From: Yu-cheng Yu <hidden>
Date: 2020-02-05 18:21:18
Also in:
linux-arch, linux-doc, linux-mm, lkml
Subsystem:
exec & binfmt api, elf, the rest · Maintainers:
Kees Cook, Linus Torvalds
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> --- 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