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Re: [Qemu-devel] [PATCH] reduce magic numbers length to 16 bytes (qemu-b
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From: |
Andreas Schwab |
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Subject: |
Re: [Qemu-devel] [PATCH] reduce magic numbers length to 16 bytes (qemu-binfmt-conf.sh) |
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Date: |
Sat, 11 Mar 2006 15:51:33 +0100 |
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User-agent: |
Gnus/5.110003 (No Gnus v0.3) Emacs/22.0.50 (gnu/linux) |
"Anderson Lizardo" <address@hidden> writes:
> Any reason why the magic numbers from qemu-binfmt-conf.sh are not just
> 16 bytes long as those reported by "readelf --file-header"? For
> example:
>
> $ readelf --file-header /bin/true | grep Magic:
> Magic: 7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00
>
> Using only the first 16 bytes avoids the need to have separate entries
> for i386 and i486, given that they are emulated by the same program
> (qemu-i386).
How would you distinguish it from an arm or mipsel binary?
Andreas.
--
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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