Re: [PATCH v19 22/25] ELF: Introduce arch_setup_elf_property()

On Wed, Feb 03, 2021 at 02:55:44PM -0800, Yu-cheng Yu wrote:

An ELF file's .note.gnu.property indicates arch features supported by the
file.  These features are extracted by arch_parse_elf_property() and stored
in 'arch_elf_state'.

Introduce x86 feature definitions and arch_setup_elf_property(), which
enables such features.  The first use-case of this function is Shadow
Stack.

ARM64 is the other arch that has ARCH_USE_GNU_PROPERTY and arch_parse_elf_
property().  Add arch_setup_elf_property() for it.

Signed-off-by: Yu-cheng Yu <redacted>

Reviewed-by: Kees Cook <redacted>

-- 
Kees Cook