From: Thiemo Seufer <ths@networkno.de>
To: Fabrice Bellard <fabrice@bellard.org>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] RFC: fix run of 32 bits Linux executables on 64 bits targets
Date: Wed, 10 Oct 2007 18:49:07 +0100 [thread overview]
Message-ID: <20071010174906.GC3379@networkno.de> (raw)
In-Reply-To: <470C8AD9.6000002@bellard.org>
Fabrice Bellard wrote:
> J. Mayer wrote:
>> Following the patches done for elfload32, it appeared to me that there
>> were still problems that would prevent 32 bits executables to run on 64
>> bits target in linux user mode emulation.
> > [...]
>
> Are you sure it is a good idea to try to add 32 bit executable support to a
> 64 bit target ? In the end you will need to write a 64 bit to 32 bit linux
> syscall converter which would mean duplicating all the linux-user code of
> the corresponding 32 bit target (think of ioctls with strutures, signals
> frames, etc...).
I would think this feature will be limited to platforms which can handle
32bit and 64bit binaries with a single personality.
Thiemo
next prev parent reply other threads:[~2007-10-10 17:49 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-10 7:42 [Qemu-devel] RFC: fix run of 32 bits Linux executables on 64 bits targets J. Mayer
2007-10-10 8:18 ` Fabrice Bellard
2007-10-10 16:09 ` Blue Swirl
2007-10-10 17:49 ` Thiemo Seufer [this message]
2007-10-10 18:40 ` Fabrice Bellard
2007-10-10 19:02 ` Blue Swirl
2007-10-10 21:51 ` J. Mayer
2007-10-11 15:17 ` Thiemo Seufer
2007-10-11 15:47 ` Blue Swirl
2007-10-11 16:00 ` Thiemo Seufer
2007-10-11 19:26 ` Blue Swirl
2007-10-11 22:00 ` J. Mayer
2007-10-12 16:21 ` Blue Swirl
2007-10-12 18:42 ` Thiemo Seufer
2007-10-12 19:37 ` Blue Swirl
2007-10-12 20:24 ` Thiemo Seufer
2007-10-10 16:01 ` Blue Swirl
2007-10-10 18:42 ` J. Mayer
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