Re: [PATCH v2 09/15] bsd-user/target_os_elf: If ELF_HWCAP2 is defined, publish it

[Kyle Evans]

On Fri, Oct 8, 2021 at 6:15 PM Warner Losh <imp@bsdimp.com> wrote:
>
> Some architectures publish AT_HWCAP2 as well as AT_HWCAP. Those
> architectures will define ELF_HWCAP2 in their target_arch_elf.h files
> for the value for this process. If it is defined, then publish it.
>
> Signed-off-by: Warner Losh <imp@bsdimp.com>
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
>  bsd-user/freebsd/target_os_elf.h | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/bsd-user/freebsd/target_os_elf.h 
> b/bsd-user/freebsd/target_os_elf.h
> index adcffd1ddb..e5ac8e8e50 100644
> --- a/bsd-user/freebsd/target_os_elf.h
> +++ b/bsd-user/freebsd/target_os_elf.h
> @@ -112,6 +112,10 @@ static abi_ulong target_create_elf_tables(abi_ulong p, 
> int argc, int envc,
>          NEW_AUX_ENT(AT_ENTRY, load_bias + exec->e_entry);
>          features = ELF_HWCAP;
>          NEW_AUX_ENT(FREEBSD_AT_HWCAP, features);
> +#ifdef ELF_HWCAP2
> +        features = ELF_HWCAP2;
> +        NEW_AUX_ENT(FREEBSD_AT_HWCAP2, features);
> +#endif
>          NEW_AUX_ENT(AT_UID, (abi_ulong)getuid());
>          NEW_AUX_ENT(AT_EUID, (abi_ulong)geteuid());
>          NEW_AUX_ENT(AT_GID, (abi_ulong)getgid());
> --
> 2.32.0
>

Reviewed-by: Kyle Evans <kevans@FreeBSD.org>