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