xref: /openbmc/linux/arch/powerpc/kernel/signal.h (revision d0b73b48)
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 extern void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags);
14 
15 extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
16 				  size_t frame_size, int is_32);
17 
18 extern int handle_signal32(unsigned long sig, struct k_sigaction *ka,
19 			   siginfo_t *info, sigset_t *oldset,
20 			   struct pt_regs *regs);
21 
22 extern int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
23 			      siginfo_t *info, sigset_t *oldset,
24 			      struct pt_regs *regs);
25 
26 extern unsigned long copy_fpr_to_user(void __user *to,
27 				      struct task_struct *task);
28 extern unsigned long copy_fpr_from_user(struct task_struct *task,
29 					void __user *from);
30 #ifdef CONFIG_VSX
31 extern unsigned long copy_vsx_to_user(void __user *to,
32 				      struct task_struct *task);
33 extern unsigned long copy_vsx_from_user(struct task_struct *task,
34 					void __user *from);
35 #endif
36 
37 #ifdef CONFIG_PPC64
38 
39 extern int handle_rt_signal64(int signr, struct k_sigaction *ka,
40 			      siginfo_t *info, sigset_t *set,
41 			      struct pt_regs *regs);
42 
43 #else /* CONFIG_PPC64 */
44 
45 static inline int handle_rt_signal64(int signr, struct k_sigaction *ka,
46 				     siginfo_t *info, sigset_t *set,
47 				     struct pt_regs *regs)
48 {
49 	return -EFAULT;
50 }
51 
52 #endif /* !defined(CONFIG_PPC64) */
53 
54 #endif  /* _POWERPC_ARCH_SIGNAL_H */
55