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
13extern void __user *get_sigframe(struct ksignal *ksig, unsigned long sp,
14				  size_t frame_size, int is_32);
 
15
16extern int handle_signal32(struct ksignal *ksig, sigset_t *oldset,
17			   struct task_struct *tsk);
 
18
19extern int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset,
20			      struct task_struct *tsk);
 
 
 
 
 
21
22extern unsigned long copy_fpr_to_user(void __user *to,
23				      struct task_struct *task);
24extern unsigned long copy_ckfpr_to_user(void __user *to,
25					       struct task_struct *task);
26extern unsigned long copy_fpr_from_user(struct task_struct *task,
27					void __user *from);
28extern unsigned long copy_ckfpr_from_user(struct task_struct *task,
29						 void __user *from);
30extern unsigned long get_tm_stackpointer(struct task_struct *tsk);
31
32#ifdef CONFIG_VSX
33extern unsigned long copy_vsx_to_user(void __user *to,
34				      struct task_struct *task);
35extern unsigned long copy_ckvsx_to_user(void __user *to,
36					       struct task_struct *task);
37extern unsigned long copy_vsx_from_user(struct task_struct *task,
38					void __user *from);
39extern unsigned long copy_ckvsx_from_user(struct task_struct *task,
40						 void __user *from);
41#endif
42
43#ifdef CONFIG_PPC64
44
45extern int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
46			      struct task_struct *tsk);
 
47
48#else /* CONFIG_PPC64 */
49
50extern long sys_rt_sigreturn(void);
51extern long sys_sigreturn(void);
52
53static 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 */

 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
15extern void do_signal(struct pt_regs *regs, unsigned long thread_info_flags);
16
17extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
18				  size_t frame_size, int is_32);
19extern void restore_sigmask(sigset_t *set);
20
21extern int handle_signal32(unsigned long sig, struct k_sigaction *ka,
22			   siginfo_t *info, sigset_t *oldset,
23			   struct pt_regs *regs);
24
25extern int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
26			      siginfo_t *info, sigset_t *oldset,
27			      struct pt_regs *regs);
28
29extern unsigned long copy_fpr_to_user(void __user *to,
30				      struct task_struct *task);
 
 
31extern unsigned long copy_fpr_from_user(struct task_struct *task,
32					void __user *from);
 
 
 
 
33#ifdef CONFIG_VSX
34extern unsigned long copy_vsx_to_user(void __user *to,
35				      struct task_struct *task);
 
 
36extern unsigned long copy_vsx_from_user(struct task_struct *task,
37					void __user *from);
 
 
38#endif
39
40#ifdef CONFIG_PPC64
41
42extern 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
48static 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 */