From: Sam Ravnborg <sam@ravnborg.org>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: "H. Peter Anvin" <hpa@linux.intel.com>,
LKML <linux-kernel@vger.kernel.org>,
linux-arch@vger.kernel.org
Subject: Re: "N" symbols and System.map
Date: Sat, 2 May 2009 01:21:49 +0200 [thread overview]
Message-ID: <20090501232149.GA28888@uranus.ravnborg.org> (raw)
In-Reply-To: <m2preso1wl.fsf@igel.home>
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
next prev parent reply other threads:[~2009-05-01 23:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-01 22:24 "N" symbols and System.map H. Peter Anvin
2009-05-01 22:39 ` Luck, Tony
2009-05-01 23:10 ` Andreas Schwab
2009-05-01 23:21 ` Sam Ravnborg [this message]
2009-05-02 0:00 ` H. Peter Anvin
2009-05-04 19:33 ` Sam Ravnborg
2009-05-04 19:33 ` Sam Ravnborg
2009-05-04 21:19 ` Andreas Schwab
2009-05-04 21:26 ` H. Peter Anvin
2009-05-04 21:39 ` Luck, Tony
2009-06-05 22:26 ` Sam Ravnborg
2009-06-05 22:28 ` H. Peter Anvin
2009-06-05 22:37 ` Sam Ravnborg
2009-06-05 22:49 ` H. Peter Anvin
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