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From: Adrian Bunk <bunk@kernel.org>
To: Olaf Hering <olaf@aepfle.de>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org
Subject: Re: undefined references to __udivdi3 on powerpc
Date: Fri, 29 Feb 2008 08:56:30 +0200	[thread overview]
Message-ID: <20080229065630.GA16851@cs181133002.pp.htv.fi> (raw)
In-Reply-To: <20080228133718.GA8383@aepfle.de>

On Thu, Feb 28, 2008 at 02:37:18PM +0100, Olaf Hering wrote:
> 
> While debugging __divdi3 calls in drivers/crypto/hifn_795x.c (due to the
> ndelay() delay call with a s64), I found even more breakage of that
> sort. This is after a allnoconfig with ARCH=powerpc in 2.6.25-rc3,
> plus CONFIG_MODULES=y and CONFIG_CRYPTO_DEV_HIFN_795X=y:
> 
>   LD      .tmp_vmlinux1
>   kernel/built-in.o: In function `update_xtime_cache':
>   (.text+0x221a0): undefined reference to `__umoddi3'
>   kernel/built-in.o: In function `update_xtime_cache':
>   (.text+0x221c0): undefined reference to `__udivdi3'
>   kernel/built-in.o: In function `getnstimeofday':
>   (.text+0x22330): undefined reference to `__umoddi3'
>   kernel/built-in.o: In function `getnstimeofday':
>   (.text+0x22350): undefined reference to `__udivdi3'
>   kernel/built-in.o: In function `timekeeping_resume':
>   timekeeping.c:(.text+0x226a0): undefined reference to `__udivdi3'
>   timekeeping.c:(.text+0x22778): undefined reference to `__umoddi3'
>   timekeeping.c:(.text+0x22798): undefined reference to `__udivdi3'
>   kernel/built-in.o: In function `update_wall_time':
>   (.text+0x22c7c): undefined reference to `__umoddi3'
>   kernel/built-in.o: In function `update_wall_time':
>   (.text+0x22c9c): undefined reference to `__udivdi3'
>   kernel/built-in.o: In function `update_wall_time':
>   (.text+0x230f8): undefined reference to `__umoddi3'
>   kernel/built-in.o: In function `update_wall_time':
>   (.text+0x23118): undefined reference to `__udivdi3'
>   kernel/built-in.o: In function `do_settimeofday':
>   (.text+0x23520): undefined reference to `__udivdi3'
>   kernel/built-in.o: In function `timekeeping_init':
>   (.init.text+0x1870): undefined reference to `__udivdi3'
>   make[1]: *** [.tmp_vmlinux1] Error 1
> 
> But its not a regression, 2.6.24 allnoconfig does not link either on
> powerpc32. 
>...

You didn't mention your gcc version, but you should only get these 
errors when using the not yet released gcc 4.3.

And this issue is known for at about half a year.

> Olaf

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed


      parent reply	other threads:[~2008-02-29  6:57 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-28 13:37 Olaf Hering
2008-02-28 15:40 ` Segher Boessenkool
2008-02-28 16:44   ` Olaf Hering
2008-02-29  6:56 ` Adrian Bunk [this message]

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