Re: "N" symbols and System.map

Sam Ravnborg
2009-06-05T22:35:25Z

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