[PATCH 1/7] Add <sys/auxv.h> and gethwcap function.

[Ryan S. Arnold]

> diff --git a/misc/gethwcap.c b/misc/gethwcap.c
> new file mode 100644
> index 0000000..79baa58
> --- /dev/null
> +++ b/misc/gethwcap.c
> @@ -0,0 +1,28 @@
> +/* Copyright (C) 2012 Free Software Foundation, Inc.
> +   This file is part of the GNU C Library.
> +
> +   The GNU C Library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later version.
> +
> +   The GNU C Library is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with the GNU C Library; if not, see
> +   <http://www.gnu.org/licenses/>.  */
> +
> +#include <sys/auxv.h>
> +#include <ldsodefs.h>
> +
> +
> +uint64_t
> +__gethwcap (void)
> +{
> +  return GLRO(dl_hwcap);
> +}

Isn't this redundant with the following?

__getauxval (AT_HWCAP)

I imagine, even for a user application, this probably isn't going to
be called more than once so is this specific export justified?

Ryan S. Arnold