Date: Tue, 1 Mar 2011 08:49:49 +0000
From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Simon Glass <sjg@chromium.org>
Cc: linux-arm-kernel@lists.infradead.org, Tony Lindgren <tony@atomide.com>,
        Nicolas Pitre <nicolas.pitre@linaro.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Joe Perches <joe@perches.com>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Alexander Shishkin <virtuoso@slind.org>,
        Phil Carmody <ext-phil.2.carmody@nokia.com>,
        Rabin Vincent <rabin@rab.in>, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH] ARM: Use generic BUG() handler
Message-ID: <20110301084949.GA16733@n2100.arm.linux.org.uk>
References: <1298939263-16421-1-git-send-email-sjg@chromium.org>
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On Mon, Feb 28, 2011 at 04:27:43PM -0800, Simon Glass wrote:
> +	asm volatile("1:\t.word %c3\n"				\
> +		     ".pushsection __bug_table,\"a\"\n"		\
> +		     "2:\t.word 1b, %c0\n"			\
> +		     "\t.hword %c1, 0\n"			\
> +		     "\t.org 2b+%c2\n"				\

%c doesn't work on lots of versions of gcc, which is why we can't use
the generic bug support.  There's no way to reliably generate constants
without many compiler versions spitting out a '#' before them.
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