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 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