linux-kernel - RE: "N" symbols and System.map

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Date:	Mon, 4 May 2009 14:39:50 -0700
From:	"Luck, Tony" <tony.luck@...el.com>
To:	Andreas Schwab <schwab@...ux-m68k.org>,
	Sam Ravnborg <sam@...nborg.org>
CC:	"H. Peter Anvin" <hpa@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>
Subject: RE: "N" symbols and System.map

> My best guess would be that it has to do with the fact that the _end
> symbol is attached to the .end section which is located before the debug
> sections, but the .end section is empty, so the symbol has the same
> address as the following debug section.

Perhaps a good guess.  Putting something (". = . + PAGE_SIZE;") into
the .end section makes _end change type from "N" tp "B".

-Tony
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