linux-kernel - Re: "N" symbols and System.map

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Date:	Fri, 05 Jun 2009 15:28:16 -0700
From:	"H. Peter Anvin" <hpa@...ux.intel.com>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	LKML <linux-kernel@...r.kernel.org>, linux-arch@...r.kernel.org
Subject: Re: "N" symbols and System.map

Sam Ravnborg wrote:
> On Fri, May 01, 2009 at 03:24:18PM -0700, H. Peter Anvin wrote:
>> Hi all,
>>
>> right now, we filter out symbols that nm tag N, meaning "debugging 
>> symbols", from System.map.  However, at least on x86, the 
>> linker-generated symbol _end is tagged N, and in fact is the only N in 
>> the entire image.
>>
>> Are there other architectures which would suffer if N were included in 
>> System.map, or would that be a reasonable thing to do?
> 
> Peter - what is status here?
> 
> Do you see _end tagged N with -tip?
> We landed a lot of changes to vmlinux.lds there.
> 
> Needless to say I have not included N symbols for now.
> 

I haven't checked it for a bit, as my immediate need for it disappeared,
but I don't think it's changed.

	-hpa

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