xref: /openbmc/linux/arch/powerpc/kernel/signal.h (revision b34e08d5)
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, unsigned long sp,
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_transact_fpr_to_user(void __user *to,
29 					       struct task_struct *task);
30 extern unsigned long copy_fpr_from_user(struct task_struct *task,
31 					void __user *from);
32 extern unsigned long copy_transact_fpr_from_user(struct task_struct *task,
33 						 void __user *from);
34 #ifdef CONFIG_VSX
35 extern unsigned long copy_vsx_to_user(void __user *to,
36 				      struct task_struct *task);
37 extern unsigned long copy_transact_vsx_to_user(void __user *to,
38 					       struct task_struct *task);
39 extern unsigned long copy_vsx_from_user(struct task_struct *task,
40 					void __user *from);
41 extern unsigned long copy_transact_vsx_from_user(struct task_struct *task,
42 						 void __user *from);
43 #endif
44 
45 #ifdef CONFIG_PPC64
46 
47 extern int handle_rt_signal64(int signr, struct k_sigaction *ka,
48 			      siginfo_t *info, sigset_t *set,
49 			      struct pt_regs *regs);
50 
51 #else /* CONFIG_PPC64 */
52 
53 static inline int handle_rt_signal64(int signr, struct k_sigaction *ka,
54 				     siginfo_t *info, sigset_t *set,
55 				     struct pt_regs *regs)
56 {
57 	return -EFAULT;
58 }
59 
60 #endif /* !defined(CONFIG_PPC64) */
61 
62 #endif  /* _POWERPC_ARCH_SIGNAL_H */
63