| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| Alexey Dobriyan | 4a177cb | 2007-01-23 19:03:17 +0300 | [diff] [blame] | 26 | extern void ia64_do_signal (struct sigscratch *, long); |