Messages in this thread Patch in this message | | | From | Yu-cheng Yu <> | Subject | [PATCH v15 22/26] binfmt_elf: Define GNU_PROPERTY_X86_FEATURE_1_AND properties | Date | Tue, 10 Nov 2020 08:22:07 -0800 |
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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(+)
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 */ -- 2.21.0
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