2 unsigned long scratch_unat; /* ar.unat for the general registers saved in pt */
3 unsigned long ar_pfs; /* for syscalls, the user-level function-state */
9 * Place signal handler args where user-level unwinder can find them easily.
10 * DO NOT MOVE THESE. They are part of the IA-64 Linux ABI and there is
11 * user-level code that depends on their presence!
13 unsigned long arg0; /* signum */
14 unsigned long arg1; /* siginfo pointer */
15 unsigned long arg2; /* sigcontext pointer */
17 * End of architected state.
20 void __user *handler; /* pointer to the plabel of the signal handler */
25 extern void ia64_do_signal (struct sigscratch *, long);