From: h-peter recktenwald <lx@lxhp.in-berlin.de>
To: Scott Lanning <slanning@theworld.com>
Cc: kieft_brian@si.com, linux-assembly@vger.kernel.org
Subject: Re: GAS - \@ in macros and labels
Date: Thu, 30 May 2002 22:44:35 +0000 [thread overview]
Message-ID: <20020530224435.2d748db8.lx@lxhp.in-berlin.de> (raw)
In-Reply-To: <Pine.SGI.4.40.0205301306560.4473325-100000@shell01.TheWorld.com>
On Thu, 30 May 2002 13:13:25 -0400
Scott Lanning <slanning@theworld.com> wrote:
> On Wed, 29 May 2002 kieft_brian@si.com wrote:
> > .MACRO tableHdr someArgs
> > .SET CMD_NUM,\@
> > A_CMD_NUM:
> > .DC.W (B_CMD_NUM - A_CMD_NUM)
> > stuff....
> >
> > .ENDM
> >
> > .MACRO tableEnd someArgs
> > B_CMD_NUM:
> > .ENDM
> >
> >
> > Unfortunately GAS sees this as literal text and throws a bunch of "symbol
> > already defined" errors. Any ideas on how to make the CMD_NUM appear as its
> > value in a label? Thanks,
if you want to generate linked/chained lists, you could use 'local' (numeric)
labels, the range of which is far beyond the documented max. of 9. examples
can be found in the linux kernel (arch/i386/lib/checksum.S, macroes SRC, DST)
or, as aplied in "eForth" (http://www.lxhp.in-berlin.de/index-lx.shtml#e4)
regards,
hp
--
Linux,Assembly,Forth: http://www.lxhp.in-berlin.de/index-lx.shtml en/de
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prev parent reply other threads:[~2002-05-30 22:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-29 14:49 GAS - \@ in macros and labels kieft_brian
2002-05-30 17:13 ` Scott Lanning
2002-05-30 22:44 ` h-peter recktenwald [this message]
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