1 /*
2 * Copyright (c) 2007 Benjamin Herrenschmidt, IBM Coproration
3 * Extracted from signal_32.c and signal_64.c
4 *
5 * This file is subject to the terms and conditions of the GNU General
6 * Public License. See the file README.legal in the main directory of
7 * this archive for more details.
8 */
9
10 #ifndef _POWERPC_ARCH_SIGNAL_H
11 #define _POWERPC_ARCH_SIGNAL_H
12
13 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
14
15 extern void do_signal(struct pt_regs *regs, unsigned long thread_info_flags);
16
17 extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
18 size_t frame_size, int is_32);
19 extern void restore_sigmask(sigset_t *set);
20
21 extern int handle_signal32(unsigned long sig, struct k_sigaction *ka,
22 siginfo_t *info, sigset_t *oldset,
23 struct pt_regs *regs);
24
25 extern int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
26 siginfo_t *info, sigset_t *oldset,
27 struct pt_regs *regs);
28
29 extern unsigned long copy_fpr_to_user(void __user *to,
30 struct task_struct *task);
31 extern unsigned long copy_fpr_from_user(struct task_struct *task,
32 void __user *from);
33 #ifdef CONFIG_VSX
34 extern unsigned long copy_vsx_to_user(void __user *to,
35 struct task_struct *task);
36 extern unsigned long copy_vsx_from_user(struct task_struct *task,
37 void __user *from);
38 #endif
39
40 #ifdef CONFIG_PPC64
41
42 extern int handle_rt_signal64(int signr, struct k_sigaction *ka,
43 siginfo_t *info, sigset_t *set,
44 struct pt_regs *regs);
45
46 #else /* CONFIG_PPC64 */
47
handle_rt_signal64(int signr,struct k_sigaction * ka,siginfo_t * info,sigset_t * set,struct pt_regs * regs)48 static inline int handle_rt_signal64(int signr, struct k_sigaction *ka,
49 siginfo_t *info, sigset_t *set,
50 struct pt_regs *regs)
51 {
52 return -EFAULT;
53 }
54
55 #endif /* !defined(CONFIG_PPC64) */
56
57 #endif /* _POWERPC_ARCH_SIGNAL_H */
58