From mboxrd@z Thu Jan  1 00:00:00 1970
From: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH v2 1/6] Add new macros for page-aligned data and bss sections.
Date: Fri, 01 May 2009 10:47:48 -0700
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References: <1241121253-32341-1-git-send-email-tabbott@mit.edu> <1241121253-32341-2-git-send-email-tabbott@mit.edu> <20090501091848.GB18326@uranus.ravnborg.org> <alpine.DEB.1.10.0905010951100.3955@vinegar-pot.mit.edu> <49FB2449.1010301@zytor.com> <20090501171717.GA26401@uranus.ravnborg.org> <49FB2EDC.9050300@zytor.com> <20090501174457.GA26559@uranus.ravnborg.org>
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To: Sam Ravnborg <sam-uyr5N9Q2VtJg9hUCZPvPmw@public.gmane.org>
Cc: Tim Abbott <tabbott-DPNOqEs/LNQ@public.gmane.org>, Linux kernel mailing list <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Anders Kaseorg <andersk-DPNOqEs/LNQ@public.gmane.org>, Waseem Daher <wdaher-DPNOqEs/LNQ@public.gmane.org>, Denys Vlasenko <vda.linux-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>, Jeff Arnold <jbarnold-DPNOqEs/LNQ@public.gmane.org>, Benjamin Herrenschmidt <benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>, Bryan Wu <cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Chris Zankel <chris-YvXeqwSYzG2sTnJN9+BGXg@public.gmane.org>, Cyrill Gorcunov <gorcunov-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>, David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, "David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>, dev-etrax-VrBV9hrLPhE@public.gmane.org, Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>, Greg Ungerer <gerg-JBU5SbJe1FlAfugRpC6u6w@public.gmane.org>, Haavard Skinnemoen <hskinnemoen-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>, Heiko Carstens <heiko.carstens-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>, Helge Deller <deller-Mmb7MZpHnFY@public.gmane.org>, Hirokazu Takata <takata-TMSiXQfHlQjsTix1lMzHGQ@public.gmane.org>, Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Jeff Dike <jdike-OPE4K8JWMJJBDgjK7y7TUQ@public.gmane.org>

Sam Ravnborg wrote:
>>
>> What's wrong with @?
> arm does not support it :-(
> I recall it denote a comment in arm assembler.
> 
> I could do some magic to detect the ARM case but I'm reluctant to do so.
> I could also ignore the arm issue for now as it is not used by arm,
> but that strikes me as the wrong approach.
> 

If we really have to use different tokens, I would say:

#ifdef __ARM__
# define _PROGBITS %progbits	/* or whatever */
# define _NOBITS   %nobits
#else
# define _PROGBITS @progbits
# define _NOBITS   @nobits
#endif

Otherwise we probably need to ask the binutils people...

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.