I would like to know more about how to distinguish
syscall entrance and exit on ia64-linux.
It looks like that tcb maintains a flag for
entrace/exit (TCB_INSYSCALL), and checks for its
validity in syscall_fixup.
On i386, at the entrance eax has to be -ENOSYS. But
there doesn't seem to be a corresponding check on
ia64. Is there a way to make the distinction on ia64?
Please email me. I am not a subscriber to the list.
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