Re: how to detect a 32 bit process on 64 bit kernel

From: Willy Tarreau
Date: Sun Dec 12 2004 - 17:54:28 EST


On Sun, Dec 12, 2004 at 11:51:10PM +0200, Michael S. Tsirkin wrote:
> Hello!
> Is there a reliable way e.g. on x86-64 (or ia64, or any other
> 64-bit system), from the char device driver,
> to find out that I am running an operation in the context of a 32-bit
> task?

aren't there informations in /proc/$$/maps or other things which will
change their format or contents in 32 or 64 bits addressing, which would
help you detect the mode you're currently running ?

Willy

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