From: "H. Peter Anvin" <hpa@zytor.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Ian Campbell <ijc@hellion.org.uk>,
linux-kernel@vger.kernel.org,
"Eric W. Biederman" <ebiederm@xmission.com>
Subject: Re: PATCH/RFC: bzImage payload as compressed ELF file.
Date: Tue, 29 Jan 2008 10:34:30 -0800 [thread overview]
Message-ID: <479F71B6.2010305@zytor.com> (raw)
In-Reply-To: <479F70E9.40905@goop.org>
Jeremy Fitzhardinge wrote:
> H. Peter Anvin wrote:
>> It's also easy enough to either use objdump -h or nm to extract info
>> from vmlinux; or for some of the simpler stuff, just parse the ELF
>> directly (perhaps using libelf).
>>
>> There is also the -R option to ld, which imports symbols from one
>> executable into another.
>
> Yes, I used -R, though it was necessary to generate a copy of vmlinux
> with a filtered symbol list to prevent collisions. But I'm not sure any
> of this is necessary with Ian's approach.
>
Probably isn't. He just need the start and possibly length of the
payload section, which should be objdump -h or equivalently reading the
ELF section table.
-hpa
next prev parent reply other threads:[~2008-01-29 18:38 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-28 22:42 PATCH/RFC: bzImage payload as compressed ELF file Ian Campbell
2008-01-28 22:54 ` Jeremy Fitzhardinge
2008-01-29 9:34 ` Ian Campbell
2008-01-29 17:54 ` Jeremy Fitzhardinge
2008-01-29 18:05 ` H. Peter Anvin
2008-01-29 18:31 ` Jeremy Fitzhardinge
2008-01-29 18:34 ` H. Peter Anvin [this message]
2008-01-29 20:38 ` Ian Campbell
2008-01-29 21:50 ` H. Peter Anvin
2008-01-29 21:55 ` Ian Campbell
2008-01-29 22:09 ` H. Peter Anvin
2008-01-28 23:20 ` H. Peter Anvin
2008-01-29 9:31 ` Ian Campbell
2008-02-01 13:10 ` Ingo Molnar
2008-02-01 18:05 ` H. Peter Anvin
2008-02-01 18:15 ` H. Peter Anvin
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