linux-kernel - Re: Dumping the checksums in a module

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Message-ID: <Pine.LNX.4.61.0705222149160.4452@yvahk01.tjqt.qr>
Date:	Tue, 22 May 2007 21:53:51 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	John Sigler <linux.kernel@...e.fr>
cc:	linux-kernel@...r.kernel.org
Subject: Re: Dumping the checksums in a module


On May 22 2007 10:13, John Sigler wrote:
>> > How do I list the checksums within a module?
>> > Is there a simpler way to list all the checksums?
>> 
>> 22:25 ichi:~ > modinfo aes
>> srcversion:     8CB82B3A254D5A950FD0D14
>> 
>> I think this one checksum is computed out of all functions that
>> the module uses.
>
> You've enabled MODULE_SRCVERSION_ALL which adds a checksum computed from the
> source files used to build a given module. What I want is to list ALL the
> checksums of the symbols included inside a given module.
>
> e.g. for the kernel:

for i in `nm 
/lib/modules/2.6.18.8-ccj45-default/kernel/block/as-iosched.ko |
grep " U " | cut -b 20-`; do
    grep '\b'"$i"'\b' Module.symvers;
done;

(for 32-bit, use `cut -b 12-`)


	Jan
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