Messages in this thread | | | From | Bongani Hlope <> | Subject | Re: how to detect a 32 bit process on 64 bit kernel | Date | Mon, 13 Dec 2004 01:30:45 +0200 |
| |
On Monday 13 December 2004 00:37, Willy Tarreau wrote: > 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 ? >
ugly bash script
ps -A | file `awk '{print "file /proc/"$1"/exe"}'` | grep "symbolic link to" | sed s%\`%% | sed s%\'%% | awk '{print "file "$5}' | sh | grep 32 [unhandled content-type:application/pgp-signature] | |