From: Andreas Schwab <schwab@suse.de>
To: Jiri Kosina <jkosina@suse.cz>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
Abel Bernabeu <abelbg@m2grp.com>, Sam Ravnborg <sam@ravnborg.org>,
linux-kernel@vger.kernel.org
Subject: Re: [Patch] Elf loader crash while zero-filling .bss
Date: Mon, 11 Feb 2008 23:14:38 +0100 [thread overview]
Message-ID: <jeabm7nnsh.fsf@sykes.suse.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0802112137360.30955@jikos.suse.cz> (Jiri Kosina's message of "Mon\, 11 Feb 2008 21\:40\:22 +0100 \(CET\)")
Jiri Kosina <jkosina@suse.cz> writes:
> On Mon, 11 Feb 2008, H. Peter Anvin wrote:
>
>
>> > Now, the question is whether it is valid for ELF binary to not have the end
>> > of .bss section (if present at all) not page-aligned.
>> Why wouldn't it be? It would, however, be valid to the kernel to round it up
>> to the next boundary.
>
> I wasn't immediately sure if there is nothing in ELF specification that
> would forbid that.
The only requirement for a loadable segment is that its address is
congruent modulo alignment with the file offset.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2008-02-11 22:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-11 18:27 Abel Bernabeu
2008-02-11 18:32 ` Abel Bernabeu
2008-02-11 18:47 ` Jiri Kosina
[not found] ` <15577be70802111111x36f61433p321e5b8175a13d08@mail.gmail.com>
2008-02-11 19:28 ` Jiri Kosina
2008-02-11 20:35 ` H. Peter Anvin
2008-02-11 20:40 ` Jiri Kosina
2008-02-11 22:14 ` Andreas Schwab [this message]
2008-02-11 18:53 ` Sam Ravnborg
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