From: Seth Goldberg <seth.goldberg@oracle.com>
To: The development of GNU GRUB <grub-devel@gnu.org>
Subject: Re: Need --divide flag for assembly of startup.S on some platforms
Date: Thu, 02 Dec 2010 13:39:41 -0800 [thread overview]
Message-ID: <4CF8121D.6000507@oracle.com> (raw)
In-Reply-To: <20101202212920.GX21862@riva.ucam.org>
On 12/ 2/10 01:29 PM, Colin Watson wrote:
> On Thu, Dec 02, 2010 at 01:15:10PM -0800, Seth Goldberg wrote:
>> When assembling grub-core/kern/i386/pc/startup.S, gas on some platforms
>> chokes on this line:
>>
>> movl $((LOCAL(bypass_table_end) - LOCAL(bypass_table)) / 2), %ecx
>>
>> Because on non i386-linux targets, '/' is used as a comment delimiter
>> for compatibility purposes. This can be overridden with the --divide
>> switch.
>>
>> Since the default for gas on these platforms is to use he division
>> operator as a comment delimiter, the "-Wa,--divide" flags need to be
>> passed on the gcc command line when assembling such files.
> Can we just use>> 1 instead?
Sure, that works for me :).
--S
next prev parent reply other threads:[~2010-12-02 21:41 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-01 15:51 BtrFS available in experimental Vladimir 'φ-coder/phcoder' Serbinenko
2010-12-02 14:41 ` Vladimir 'φ-coder/phcoder' Serbinenko
2010-12-02 21:15 ` Need --divide flag for assembly of startup.S on some platforms Seth Goldberg
2010-12-02 21:29 ` Colin Watson
2010-12-02 21:39 ` Seth Goldberg [this message]
2010-12-03 0:53 ` Error building grub-emu (gnulib/progname.c) Seth Goldberg
2010-12-03 1:07 ` Seth Goldberg
2010-12-03 1:20 ` Seth Goldberg
2010-12-03 1:29 ` Another error building grub-emu (gnulib/error.c) Seth Goldberg
2010-12-03 1:39 ` Seth Goldberg
2010-12-02 21:42 ` Need --divide flag for assembly of startup.S on some platforms Vladimir 'φ-coder/phcoder' Serbinenko
2010-12-04 15:47 ` Colin Watson
2010-12-04 16:20 ` Colin Watson
2010-12-03 21:20 ` Need LARGEFILE_SOURCE && _FILE_OFFSET_BITS=64 Seth Goldberg
2010-12-04 15:25 ` Colin Watson
2010-12-06 7:18 ` Seth Goldberg
2010-12-03 21:02 ` BtrFS available in experimental Vladimir 'φ-coder/phcoder' Serbinenko
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