irqchip/sifive-plic: set max threshold for ignored handlers
[linux-2.6-block.git] / arch / arm64 / include / asm / signal32.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2012 ARM Ltd.
4  */
5 #ifndef __ASM_SIGNAL32_H
6 #define __ASM_SIGNAL32_H
7
8 #ifdef __KERNEL__
9 #ifdef CONFIG_COMPAT
10 #include <linux/compat.h>
11
12 struct compat_sigcontext {
13         /* We always set these two fields to 0 */
14         compat_ulong_t                  trap_no;
15         compat_ulong_t                  error_code;
16
17         compat_ulong_t                  oldmask;
18         compat_ulong_t                  arm_r0;
19         compat_ulong_t                  arm_r1;
20         compat_ulong_t                  arm_r2;
21         compat_ulong_t                  arm_r3;
22         compat_ulong_t                  arm_r4;
23         compat_ulong_t                  arm_r5;
24         compat_ulong_t                  arm_r6;
25         compat_ulong_t                  arm_r7;
26         compat_ulong_t                  arm_r8;
27         compat_ulong_t                  arm_r9;
28         compat_ulong_t                  arm_r10;
29         compat_ulong_t                  arm_fp;
30         compat_ulong_t                  arm_ip;
31         compat_ulong_t                  arm_sp;
32         compat_ulong_t                  arm_lr;
33         compat_ulong_t                  arm_pc;
34         compat_ulong_t                  arm_cpsr;
35         compat_ulong_t                  fault_address;
36 };
37
38 struct compat_ucontext {
39         compat_ulong_t                  uc_flags;
40         compat_uptr_t                   uc_link;
41         compat_stack_t                  uc_stack;
42         struct compat_sigcontext        uc_mcontext;
43         compat_sigset_t                 uc_sigmask;
44         int                             __unused[32 - (sizeof(compat_sigset_t) / sizeof(int))];
45         compat_ulong_t                  uc_regspace[128] __attribute__((__aligned__(8)));
46 };
47
48 struct compat_sigframe {
49         struct compat_ucontext  uc;
50         compat_ulong_t          retcode[2];
51 };
52
53 struct compat_rt_sigframe {
54         struct compat_siginfo info;
55         struct compat_sigframe sig;
56 };
57
58 int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
59                        struct pt_regs *regs);
60 int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
61                           struct pt_regs *regs);
62
63 void compat_setup_restart_syscall(struct pt_regs *regs);
64 #else
65
66 static inline int compat_setup_frame(int usid, struct ksignal *ksig,
67                                      sigset_t *set, struct pt_regs *regs)
68 {
69         return -ENOSYS;
70 }
71
72 static inline int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
73                                         struct pt_regs *regs)
74 {
75         return -ENOSYS;
76 }
77
78 static inline void compat_setup_restart_syscall(struct pt_regs *regs)
79 {
80 }
81 #endif /* CONFIG_COMPAT */
82 #endif /* __KERNEL__ */
83 #endif /* __ASM_SIGNAL32_H */