Re: [patch] getauxval.3 correct AT_HWCAP result description

["Michael Kerrisk (man-pages)" <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

On 07/13/2016 10:34 AM, Cownie, James H wrote:
>> It's a long and the target abi decides how many bits of that are used.
> Then suggest a patch to say that :-)
> The absolutely critical aspect is that it is *not* a pointer (as was
> previously stated).

Thanks, James, and Szabolcs.

Patch applied.

Cheers,

Michael

>
> Maybe something like this?
>
> --- PATCH ---
> --- a/man3/getauxval.3
> +++ b/man3/getauxval.3
> @@ -101,7 +101,7 @@ performed by the kernel.
>  The real group ID of the thread.
>  .TP
>  .BR AT_HWCAP
> -A 32 bit long bit-mask whose settings
> +An architecture and ABI dependent bit-mask whose settings
>  indicate detailed processor capabilities.
>  The contents of the bit mask are hardware dependent
>  (for example, see the kernel source file
> --- END PATCH ---
>
> -- Jim
>
> James Cownie <james.h.cownie-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> SSG/DPD/TCAR (Technical Computing, Analyzers and Runtimes)
> Tel: +44 117 9071438
>
> -----Original Message-----
> From: Szabolcs Nagy [mailto:szabolcs.nagy-5wv7dgnIgG8@public.gmane.org]
> Sent: Wednesday, July 13, 2016 9:14 AM
> To: Michael Kerrisk (man-pages) <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>; Cownie, James H <james.h.cownie-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Cc: nd-5wv7dgnIgG8@public.gmane.org; libc-alpha-9JcytcrH/bA+uJoB2kUjGw@public.gmane.org; linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Subject: Re: [patch] getauxval.3 correct AT_HWCAP result description
>
> On 12/07/16 21:24, Michael Kerrisk (man-pages) wrote:
>>>  .BR AT_HWCAP
>>> -A pointer to a multibyte mask of bits whose settings
>>> +A four byte long bit-mask whose settings
>>>  indicate detailed processor capabilities.
>
> why is it four byte long?
>
> it's a long and the target abi decides how many
> bits of that is used.
>
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-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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