Merge tag 'for-linus-5.4-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-microblaze.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 CONFIG_COMPAT
9 #include <linux/compat.h>
10
11 struct compat_sigcontext {
12         /* We always set these two fields to 0 */
13         compat_ulong_t                  trap_no;
14         compat_ulong_t                  error_code;
15
16         compat_ulong_t                  oldmask;
17         compat_ulong_t                  arm_r0;
18         compat_ulong_t                  arm_r1;
19         compat_ulong_t                  arm_r2;
20         compat_ulong_t                  arm_r3;
21         compat_ulong_t                  arm_r4;
22         compat_ulong_t                  arm_r5;
23         compat_ulong_t                  arm_r6;
24         compat_ulong_t                  arm_r7;
25         compat_ulong_t                  arm_r8;
26         compat_ulong_t                  arm_r9;
27         compat_ulong_t                  arm_r10;
28         compat_ulong_t                  arm_fp;
29         compat_ulong_t                  arm_ip;
30         compat_ulong_t                  arm_sp;
31         compat_ulong_t                  arm_lr;
32         compat_ulong_t                  arm_pc;
33         compat_ulong_t                  arm_cpsr;
34         compat_ulong_t                  fault_address;
35 };
36
37 struct compat_ucontext {
38         compat_ulong_t                  uc_flags;
39         compat_uptr_t                   uc_link;
40         compat_stack_t                  uc_stack;
41         struct compat_sigcontext        uc_mcontext;
42         compat_sigset_t                 uc_sigmask;
43         int                             __unused[32 - (sizeof(compat_sigset_t) / sizeof(int))];
44         compat_ulong_t                  uc_regspace[128] __attribute__((__aligned__(8)));
45 };
46
47 struct compat_sigframe {
48         struct compat_ucontext  uc;
49         compat_ulong_t          retcode[2];
50 };
51
52 struct compat_rt_sigframe {
53         struct compat_siginfo info;
54         struct compat_sigframe sig;
55 };
56
57 int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
58                        struct pt_regs *regs);
59 int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
60                           struct pt_regs *regs);
61
62 void compat_setup_restart_syscall(struct pt_regs *regs);
63 #else
64
65 static inline int compat_setup_frame(int usid, struct ksignal *ksig,
66                                      sigset_t *set, struct pt_regs *regs)
67 {
68         return -ENOSYS;
69 }
70
71 static inline int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
72                                         struct pt_regs *regs)
73 {
74         return -ENOSYS;
75 }
76
77 static inline void compat_setup_restart_syscall(struct pt_regs *regs)
78 {
79 }
80 #endif /* CONFIG_COMPAT */
81 #endif /* __ASM_SIGNAL32_H */