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Re: [patch 1/2] [BUG]kallsyms_lookup_name should return the text addres
- From: Keith Owens <kaos at sgi dot com>
- To: "Randy.Dunlap" <rdunlap at xenotime dot net>
- Cc: Keshavamurthy Anil S <anil dot s dot keshavamurthy at intel dot com>, Paulo Marques <pmarques at grupopie dot com>, Linux Kernel <linux-kernel at vger dot kernel dot org>, akpm at osdl dot org, tony dot luck at intel dot com, Systemtap <systemtap at sources dot redhat dot com>, Jim Keniston <jkenisto at us dot ibm dot com>
- Date: Wed, 11 Jan 2006 11:23:28 +1100
- Subject: Re: [patch 1/2] [BUG]kallsyms_lookup_name should return the text addres
"Randy.Dunlap" (on Tue, 10 Jan 2006 16:07:55 -0800 (PST)) wrote:
>On Wed, 11 Jan 2006, Keith Owens wrote:
>> Changing the thread slightly, kallsyms_lookup_name() has never coped
>> with duplicate local symbols and it cannot do so without changing its
>> API, and all its callers. For debugging purposes, it would be nicer if
>> the kernel did not have any duplicate symbols. Perhaps some kernel
>> janitor would like to take that task on.
>
>Jesper Juhl was doing some -Wshadow patches. Would that detect
>duplicate symbols?
No, the duplicate symbols are (a) static and (b) in separate source
files. Run this against a System.map.
awk '{print $NF}' System.map | egrep -v '^__ks|^__func' | sort | uniq -dc | LANG=C sort -k2