Messages in this thread | | | Date | Mon, 3 Jun 2013 10:54:25 +0100 | From | Will Deacon <> | Subject | Re: A bug about system call on ARM |
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On Mon, Jun 03, 2013 at 06:25:26AM +0100, Wang, Yalin wrote: > Hi Will, > > I have a question about this patch . > > If the user space is thumb mode, > The PC should be rewind by 2 bytes, > So the fix_up code should be > > Sub lr, lr, #2 . > > > Am I right ?
No, because we don't have OABI-compat support for Thumb applications and force everything down the EABI path instead.
Did you manage to test the patch?
Will
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