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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <49FF5D76.8040204@linux.intel.com>
Date:	Mon, 04 May 2009 14:26:14 -0700
From:	"H. Peter Anvin" <hpa@...ux.intel.com>
To:	Andreas Schwab <schwab@...ux-m68k.org>
CC:	Sam Ravnborg <sam@...nborg.org>,
	LKML <linux-kernel@...r.kernel.org>, linux-arch@...r.kernel.org
Subject: Re: "N" symbols and System.map

Andreas Schwab wrote:
> Sam Ravnborg <sam@...nborg.org> writes:
> 
>> Andreas - can you explain what is happning here?
> 
> 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.  The ppc linker script does not
> attach the _end symbol to any section, so it becomes an absolute symbol.
> 

Yes; we used to do that in x86 too, but it messes up the post-processing 
for the relocatable kernel.

	-hpa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/