Messages in this thread | | | Date | Fri, 25 Jan 2002 09:45:55 -0700 | From | Andreas Dilger <> | Subject | Re: unresolved symbols __udivdi3 and __umoddi3 |
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On Jan 25, 2002 06:31 -0000, simon@baydel.com wrote: > I am writing a module and would like to perform arithmetic on long > long variables. When I try to do this the module does not load due > to the unresolved symbols __udivdi3 and __umoddi3. I notice these > are normally defined in libc. Is there any way I can do this in a > kernel module.
Normally you do not need to do 64-bit arithmetic in the kernel. You normally use power-of-2 values, and then shift/mask to get the results you want.
What is it exactly that you need to do?
Cheers, Andreas -- Andreas Dilger http://sourceforge.net/projects/ext2resize/ http://www-mddsp.enel.ucalgary.ca/People/adilger/
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