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@xxxxxxxxx>
SSG/DPD/TCAR (Technical Computing, Analyzers and Runtimes)
Tel: +44 117 9071438
-----Original Message-----
From: Szabolcs Nagy [mailto:szabolcs.nagy@xxxxxxx]
Sent: Wednesday, July 13, 2016 9:14 AM
To: Michael Kerrisk (man-pages) <mtk.manpages@xxxxxxxxx>; Cownie, James H <james.h.cownie@xxxxxxxxx>
Cc: nd@xxxxxxx; libc-alpha@xxxxxxxxxxxxxx; linux-man@xxxxxxxxxxxxxxx
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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