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Benjamin Herrenschmidt22e38f22007-06-04 15:15:49 +10001/*
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
Christoph Hellwigdb277e92007-06-04 15:15:51 +100013#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
14
Al Viro2e074002008-08-18 00:12:41 -040015extern void do_signal(struct pt_regs *regs, unsigned long thread_info_flags);
16
Benjamin Herrenschmidta3f61dc2007-06-04 17:22:48 +100017extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
Josh Boyerefbda862009-03-25 06:23:59 +000018 size_t frame_size, int is_32);
Christoph Hellwigdb277e92007-06-04 15:15:51 +100019extern void restore_sigmask(sigset_t *set);
Christoph Hellwigf478f542007-06-04 15:15:52 +100020
21extern int handle_signal32(unsigned long sig, struct k_sigaction *ka,
22 siginfo_t *info, sigset_t *oldset,
Benjamin Herrenschmidta3f61dc2007-06-04 17:22:48 +100023 struct pt_regs *regs);
Christoph Hellwigf478f542007-06-04 15:15:52 +100024
25extern int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
26 siginfo_t *info, sigset_t *oldset,
Benjamin Herrenschmidta3f61dc2007-06-04 17:22:48 +100027 struct pt_regs *regs);
Christoph Hellwigf478f542007-06-04 15:15:52 +100028
Michael Neuling6a274c02008-07-02 14:06:37 +100029extern 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
Benjamin Herrenschmidt2f97cd32007-06-04 15:15:56 +100039
40#ifdef CONFIG_PPC64
41
Christoph Hellwigf478f542007-06-04 15:15:52 +100042extern int handle_rt_signal64(int signr, struct k_sigaction *ka,
43 siginfo_t *info, sigset_t *set,
44 struct pt_regs *regs);
Benjamin Herrenschmidt22e38f22007-06-04 15:15:49 +100045
Benjamin Herrenschmidt2f97cd32007-06-04 15:15:56 +100046#else /* CONFIG_PPC64 */
47
Benjamin Herrenschmidt2f97cd32007-06-04 15:15:56 +100048static 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
Benjamin Herrenschmidt22e38f22007-06-04 15:15:49 +100057#endif /* _POWERPC_ARCH_SIGNAL_H */