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SubjectRe: "N" symbols and System.map
On Sat, May 02, 2009 at 01:10:18AM +0200, Andreas Schwab wrote:
> "H. Peter Anvin" <hpa@linux.intel.com> writes:
>
> > 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?
>
> There should not be any N symbols unless you are using stabs debugging.

We have in vmlinux:
.end : AT(ADDR(.end) - LOAD_OFFSET) {
_end = .;
}


And I see:
c1834000 N _end

This is the _only_ 'N' symbol in my vmlinux.

Sam


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