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Date: Mon, 3 May 2004 10:05:07 -0700
From: "Randy.Dunlap" <rddunlap@osdl.org>
To: lkml <linux-kernel@vger.kernel.org>
Cc: rusty@rustcorp.com.au, zwane@arm.linux.org.uk, ak@suse.de
Subject: missing last symbol in /proc/kallsyms
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(2.6.5)

I want to see _einittext as the last (non-module) symbol in
/proc/kallsyms.

_einittext should be the last kernel image symbol listed in
/proc/kallsyms AFAICT (just before module symbols begin).

It (_einittext) is the last symbol listed in my
.tmp_kallsyms2.S file, but for some reason, it's not listed
in /proc/kallsyms.  I've beat my head on it for a little
while, so I'm hoping that someone else can see the problem.
(Zwane has also looked at it a bit.)

I modified scripts/kallsyms.c to print one more symbol at the
end of its list and to increase kallsyms_num_syms by 1, and
that does enable _einittext to be printed in /proc/kallsyms
(and the added symbol is not printed).

Without that change, the end of my /proc/kallsyms file contains:
c04e71d0 t af_unix_init
c04e7260 t packet_init

and the end of the corresponding .tmp_kallsyms2.S file contains:
        .byte 0x00
        .asciz  "af_unix_init"
        .byte 0x00
        .asciz  "packet_init"
        .byte 0x00
        .asciz  "_einittext"

Where is the off-by-1?  I want my _einittext.

--
~Randy
(Again.  Sometimes I think ln -s /usr/src/linux/.config .signature) -- akpm