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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
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 | ||
4a177cbf | 26 | extern void ia64_do_signal (struct sigscratch *, long); |