Re: "N" symbols and System.map

H. Peter Anvin
2009-06-05T22:49:45Z

Sam Ravnborg wrote:
> On Fri, Jun 05, 2009 at 03:28:16PM -0700, H. Peter Anvin wrote:
>> 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.
> We can revisit this if needed.
>

FWIW:

c43e0000 N _end

-hpa