From: Bernhard Kauer <kauer@os.inf.tu-dresden.de>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Crash due to invalid env->current_tb
Date: Fri, 2 May 2008 03:39:36 +0200 [thread overview]
Message-ID: <20080502013936.GC2715@chrom.inf.tu-dresden.de> (raw)
In-Reply-To: <20080430203636.GC8164@os.inf.tu-dresden.de>
On Wed, Apr 30, 2008 at 10:36:36PM +0200, Adam Lackorzynski wrote:
> > Why don't you add ebp and ebx in the clobbered registers list (like
> > "esi", "edi", "ecx", "edx") ?
>
> For ebp it's more safe to use push as it depends whether the binary is
> compiled with frame-pointer or without. When without you can put it into
> the clobber list, when with you should not, we had some bad experience
> with this (also see gcc bugzilla #11807).
Well the gcc bug is, that clobbering "ebp" is silently ignored if compiled
without frame-pointer.
Bernhard Kauer
prev parent reply other threads:[~2008-05-03 2:50 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-29 11:56 [Qemu-devel] Crash due to invalid env->current_tb Adam Lackorzynski
2008-04-29 17:09 ` Blue Swirl
2008-04-29 18:40 ` Adam Lackorzynski
2008-04-30 9:08 ` Alexander Graf
2008-04-30 15:11 ` Adam Lackorzynski
2008-04-30 15:21 ` Adam Lackorzynski
2008-04-30 17:09 ` Blue Swirl
2008-04-30 17:30 ` Alexander Graf
2008-04-30 18:21 ` Blue Swirl
2008-05-01 12:02 ` Adam Lackorzynski
2008-05-01 15:02 ` Blue Swirl
2008-05-01 16:04 ` Paul Brook
2008-05-01 16:15 ` Blue Swirl
2008-05-01 16:31 ` Paul Brook
2008-05-02 15:41 ` Adam Lackorzynski
2008-05-03 18:00 ` Blue Swirl
2008-05-03 22:02 ` Paul Brook
2008-04-30 15:28 ` Laurent Vivier
2008-04-30 20:36 ` Adam Lackorzynski
2008-05-02 1:39 ` Bernhard Kauer [this message]
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