1 /* SPDX-License-Identifier: GPL-2.0 */
2 struct sigscratch {
3 unsigned long scratch_unat; /* ar.unat for the general registers saved in pt */
4 unsigned long ar_pfs; /* for syscalls, the user-level function-state */
5 struct pt_regs pt;
6 };
7
8 struct sigframe {
9 /*
10 * Place signal handler args where user-level unwinder can find them easily.
11 * DO NOT MOVE THESE. They are part of the IA-64 Linux ABI and there is
12 * user-level code that depends on their presence!
13 */
14 unsigned long arg0; /* signum */
15 unsigned long arg1; /* siginfo pointer */
16 unsigned long arg2; /* sigcontext pointer */
17 /*
18 * End of architected state.
19 */
20
21 void __user *handler; /* pointer to the plabel of the signal handler */
22 struct siginfo info;
23 struct sigcontext sc;
24 };
25
26 extern void ia64_do_signal (struct sigscratch *, long);