1 /*
2 * Copyright (c) 2007 Benjamin Herrenschmidt, IBM Corporation
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 __user *get_sigframe(struct ksignal *ksig, unsigned long sp,
14 size_t frame_size, int is_32);
15
16 extern int handle_signal32(struct ksignal *ksig, sigset_t *oldset,
17 struct task_struct *tsk);
18
19 extern int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset,
20 struct task_struct *tsk);
21
22 extern unsigned long copy_fpr_to_user(void __user *to,
23 struct task_struct *task);
24 extern unsigned long copy_ckfpr_to_user(void __user *to,
25 struct task_struct *task);
26 extern unsigned long copy_fpr_from_user(struct task_struct *task,
27 void __user *from);
28 extern unsigned long copy_ckfpr_from_user(struct task_struct *task,
29 void __user *from);
30 extern unsigned long get_tm_stackpointer(struct task_struct *tsk);
31
32 #ifdef CONFIG_VSX
33 extern unsigned long copy_vsx_to_user(void __user *to,
34 struct task_struct *task);
35 extern unsigned long copy_ckvsx_to_user(void __user *to,
36 struct task_struct *task);
37 extern unsigned long copy_vsx_from_user(struct task_struct *task,
38 void __user *from);
39 extern unsigned long copy_ckvsx_from_user(struct task_struct *task,
40 void __user *from);
41 #endif
42
43 #ifdef CONFIG_PPC64
44
45 extern int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
46 struct task_struct *tsk);
47
48 #else /* CONFIG_PPC64 */
49
50 extern long sys_rt_sigreturn(void);
51 extern long sys_sigreturn(void);
52
handle_rt_signal64(struct ksignal * ksig,sigset_t * set,struct task_struct * tsk)53 static inline int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
54 struct task_struct *tsk)
55 {
56 return -EFAULT;
57 }
58
59 #endif /* !defined(CONFIG_PPC64) */
60
61 #endif /* _POWERPC_ARCH_SIGNAL_H */
62