1
2
3
4
5#ifndef __ASM_SIGNAL32_H
6#define __ASM_SIGNAL32_H
7
8#ifdef CONFIG_COMPAT
9#include <linux/compat.h>
10
11struct compat_sigcontext {
12
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
37struct 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
47struct compat_sigframe {
48 struct compat_ucontext uc;
49 compat_ulong_t retcode[2];
50};
51
52struct compat_rt_sigframe {
53 struct compat_siginfo info;
54 struct compat_sigframe sig;
55};
56
57int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
58 struct pt_regs *regs);
59int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
60 struct pt_regs *regs);
61
62void compat_setup_restart_syscall(struct pt_regs *regs);
63#else
64
65static inline int compat_setup_frame(int usid, struct ksignal *ksig,
66 sigset_t *set, struct pt_regs *regs)
67{
68 return -ENOSYS;
69}
70
71static 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
77static inline void compat_setup_restart_syscall(struct pt_regs *regs)
78{
79}
80#endif
81#endif
82