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 */ 58