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 do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags); 14 15 extern void __user *get_sigframe(struct ksignal *ksig, unsigned long sp, 16 size_t frame_size, int is_32); 17 18 extern int handle_signal32(struct ksignal *ksig, sigset_t *oldset, 19 struct task_struct *tsk); 20 21 extern int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset, 22 struct task_struct *tsk); 23 24 extern unsigned long copy_fpr_to_user(void __user *to, 25 struct task_struct *task); 26 extern unsigned long copy_ckfpr_to_user(void __user *to, 27 struct task_struct *task); 28 extern unsigned long copy_fpr_from_user(struct task_struct *task, 29 void __user *from); 30 extern unsigned long copy_ckfpr_from_user(struct task_struct *task, 31 void __user *from); 32 extern unsigned long get_tm_stackpointer(struct task_struct *tsk); 33 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_ckvsx_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_ckvsx_from_user(struct task_struct *task, 42 void __user *from); 43 #endif 44 45 #ifdef CONFIG_PPC64 46 47 extern int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, 48 struct task_struct *tsk); 49 50 #else /* CONFIG_PPC64 */ 51 52 extern long sys_rt_sigreturn(void); 53 extern long sys_sigreturn(void); 54 55 static inline int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, 56 struct task_struct *tsk) 57 { 58 return -EFAULT; 59 } 60 61 #endif /* !defined(CONFIG_PPC64) */ 62 63 #endif /* _POWERPC_ARCH_SIGNAL_H */ 64