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

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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 <yu-cheng.yu@xxxxxxxxx>

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

-- 
Kees Cook



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