Re: [PATCH v3 02/13] elf.h: add aarch64 property definitions

[Florian Weimer via Libc-alpha <libc-alpha@sourceware.org>]

* Szabolcs Nagy:

> These property values are specified by the AArch64 ELF ABI and
> binutils can create binaries marked with them.
>
> Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
> ---
>  elf/elf.h | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/elf/elf.h b/elf/elf.h
> index 5b5ce37d9e..197b557d15 100644
> --- a/elf/elf.h
> +++ b/elf/elf.h
> @@ -1319,6 +1319,12 @@ typedef struct
>  /* Application-specific semantics, hi */
>  #define GNU_PROPERTY_HIUSER			0xffffffff
>  
> +/* AArch64 specific GNU properties.  */
> +#define GNU_PROPERTY_AARCH64_FEATURE_1_AND	0xc0000000
> +
> +#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI	(1U << 0)
> +#define GNU_PROPERTY_AARCH64_FEATURE_1_PAC	(1U << 1)
> +
>  /* The x86 instruction sets indicated by the corresponding bits are
>     used in program.  Their support in the hardware is optional.  */
>  #define GNU_PROPERTY_X86_ISA_1_USED		0xc0000000

I checked that this matches the binutils definition.  I think this can
go in separately.

Thanks,
Florian