From: Mark Pilon <mpilon@midrivers.com>
To: David Gibson <david@gibson.dropbear.id.au>
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: 405 -- a little console help, part 2
Date: Fri, 09 Nov 2001 06:40:25 -0700 [thread overview]
Message-ID: <3BEBDCC9.62669CF1@midrivers.com> (raw)
In-Reply-To: 20011109114403.J27549@zax
David Gibson wrote:
>
> Ah, I think I know why this might be - are you using the 2_4_devel
> tree?
>
> All static executables segfaulted before reaching main until very
> recently: the 4xx's MMU makes it possible to actually enforce the
> execute permission bit on pages. Since most processors don't allow
> this, however, there are heaps of bugs in userland (binutils etc.)
> where pages aren't marked executable that need to be. In this case
> there was instruction just before the got that wasn't marked
> executable.
>
> For now, at least, I've disabled enforcement of the page execute
> permissions, because there's just too much stuff that breaks with it
> on.
What's the fix for this? It sounds like I want to un-do that change
enforcing page execute permissions -- David, could you give me
a spot to look and a suggested patch? anyone?
thanks,
Mark
--
Mark Pilon
Minolta-QMS
P.O. Box 37
Fallon, MT. 59326-0037
1-406-853-0433
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2001-11-09 13:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-08 13:36 405 -- a little console help, part 2 Mark Pilon
2001-11-08 15:46 ` Mark Hatle
2001-11-09 0:44 ` David Gibson
2001-11-09 13:40 ` Mark Pilon [this message]
2001-11-09 13:53 ` David Gibson
2001-11-11 13:28 ` Jure Menart
2001-11-08 17:37 ` Scott Anderson
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