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.
Sam
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
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.
Sam
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