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Date: Sun, 10 Sep 2017 00:46:06 +0300
From: Konstantin Belousov <kostikbel@gmail.com>
To: Ian Lepore <ian@freebsd.org>
Cc: Jan Beich <jbeich@FreeBSD.org>, Warner Losh <imp@bsdimp.com>,
 "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>,
 "freebsd-toolchain@FreeBSD.org" <freebsd-toolchain@freebsd.org>,
 Jan Beich <jbeich@vfemail.net>
Subject: Re: FCP-100: armv7 plan
Message-ID: <20170909214606.GW1700@kib.kiev.ua>
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On Sat, Sep 09, 2017 at 02:34:10PM -0600, Ian Lepore wrote:
> Adding the AT_HWCAP stuff would be relatively easy. šI'm not as sure
> what to do about getauxval(). šTo be maximally linux-compatible (which
> would be good for ports) we'd put getauxval() in libc and make it work
> just like the linux one. šThat's a bit at odds with the support we have
> now, which isšprocstat_getauxv() in libprocstat. šIt's not very
> compatible with how linux getauxval() works, so using just that might
> lead to a lot of patches in ports.

libprocstat is for accessing other processes information and address space.
Our libc already has _elf_aux_info, but it is not exported.  If you have
a clear description of the desired API, I can add it (I do not want to
read glibc code).