From: Ralf Baechle <ralf@linux-mips.org>
To: wyb@topsec.com.cn
Cc: macro@linux-mips.org, sskowron@ET.PUT.Poznan.PL.redhat.com,
rsandifo@redhat.com, linux-mips@linux-mips.org
Subject: Re: unmatched R_MIPS_HI16/LO16 on gcc 3.4.3
Date: Mon, 24 Jul 2006 23:44:24 -0400 [thread overview]
Message-ID: <20060725034424.GB22138@linux-mips.org> (raw)
In-Reply-To: <004001c6af95$14585900$0100000a@codingman>
On Tue, Jul 25, 2006 at 10:49:56AM +0800, wyb@topsec.com.cn wrote:
> I met similar problem as Stanislaw Skowronek, but for gcc 3.4.3. I created a
> kernel module, when insmod, kernel reported "dangerous relocation". I traced
> the bug, found unmatched R_MIPS_HI16/LO16 in module's elf file, and kernel
> refused to relocate:
> ...
> 00015a5c 00039a05 R_MIPS_HI16 0000000c tos_net_debug
> 00015a68 00000204 R_MIPS_26 00000000 .text
> 00015a64 00046005 R_MIPS_HI16 0006b598 arp_proxy_list
> 00015a6c 00046006 R_MIPS_LO16 0006b598 arp_proxy_list
> ...
>
> My problem arised when expression on tos_net_debug could be optimized out,
> it seemed like gcc optimized out the LO16, but left HI16.
>
> The original discussion on similar problem is at
> http://www.linux-mips.org/archives/linux-mips/2005-05/msg00097.html
Do you have a testcase, a kernel .config file to trigger this?
Ralf
next prev parent reply other threads:[~2006-07-25 3:44 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-25 2:49 unmatched R_MIPS_HI16/LO16 on gcc 3.4.3 wyb
2006-07-25 2:49 ` wyb
2006-07-25 3:44 ` Ralf Baechle [this message]
2006-07-31 1:58 ` wyb
2006-07-31 1:58 ` wyb
2006-07-31 8:34 ` Thiemo Seufer
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