From: "H. Peter Anvin" <hpa@zytor.com>
To: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: vgoyal@in.ibm.com,
linux kernel mailing list <linux-kernel@vger.kernel.org>,
Reloc Kernel List <fastboot@lists.osdl.org>,
ebiederm@xmission.com, akpm@osdl.org, ak@suse.de,
magnus.damm@gmail.com, lwang@redhat.com, dzickus@redhat.com,
maneesh@in.ibm.com
Subject: Re: [PATCH 7/11] i386: Kallsyms generate relocatable symbols
Date: Mon, 06 Nov 2006 08:34:57 -0800 [thread overview]
Message-ID: <454F6431.1010108@zytor.com> (raw)
In-Reply-To: <20061106154857.003dc9d9@cad-250-152.norway.atmel.com>
Haavard Skinnemoen wrote:
> On Mon, 23 Oct 2006 15:37:48 -0400
> Vivek Goyal <vgoyal@in.ibm.com> wrote:
>
>> Add the _text symbol definitions to the architectures which don't
>> define it otherwise linker will fail.
>
> I get lots of this when building latest -mm for avr32:
>
> .tmp_kallsyms2.S:643: Warning: right operand is a bignum; integer 0
> assumed
>
> Reverting this patch makes the warnings go away. I think it's
> because on avr32, .init is the first section, not .text, so many of the
> offsets become negative and kallsyms doesn't seem to handle this very
> well. Here's a few lines from .tmp_kallsyms2.S:
>
> kallsyms_addresses:
> PTR _text + 0xffffffffffff4000
> PTR _text + 0xffffffffffff4000
>
> Any idea how to fix this? Could we introduce a new symbol that always
> marks the start of the image perhaps?
>
Maybe we should generate it as a signed value (-0x8000) instead of an
unsigned value.
-hpa
next prev parent reply other threads:[~2006-11-06 16:36 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-23 19:24 [RFC][PATCH 0/11] i386: Relocatable BzImage (V3) Vivek Goyal
2006-10-23 19:26 ` [PATCH 1/11] i386: Distinguish absolute symbols Vivek Goyal
2006-10-23 19:29 ` [PATCH 2/11] i386: Remove unnecessary ALIGN() in vmlinux.lds.S Vivek Goyal
2006-10-23 19:30 ` [PATCH 3/11] i386: Force data segment to be 4K aligned Vivek Goyal
2006-10-23 19:32 ` [PATCH 4/11] i386: define __pa_symbol() Vivek Goyal
2006-10-23 19:33 ` [PATCH 5/11] i386: Reserve kernel memory starting from _text Vivek Goyal
2006-10-23 19:36 ` [PATCH 6/11] i386: CONFIG_PHYSICAL_START cleanup Vivek Goyal
2006-10-23 19:37 ` [PATCH 7/11] i386: Kallsyms generate relocatable symbols Vivek Goyal
2006-11-06 14:48 ` Haavard Skinnemoen
2006-11-06 16:03 ` Vivek Goyal
2006-11-06 16:13 ` Haavard Skinnemoen
2006-11-06 16:34 ` H. Peter Anvin [this message]
2006-10-23 19:39 ` [PATCH 8/11] i386: Relocatable kernel support Vivek Goyal
2006-10-23 19:40 ` [PATCH 9/11] i386: Warn upon absolute relocations being present Vivek Goyal
2006-10-23 19:42 ` [PATCH 10/11] i386: Implement CONFIG_PHYSICAL_ALIGN Vivek Goyal
2006-10-23 19:44 ` [PATCH 11/11] i386: Extend bzImage protocol for relocatable protected mode kernel Vivek Goyal
2006-10-24 13:44 ` [RFC][PATCH 0/11] i386: Relocatable BzImage (V3) Andi Kleen
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