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Linux/arch/powerpc/kernel/signal.h

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  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 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 pt_regs *regs);
 20 
 21 extern int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset,
 22                               struct pt_regs *regs);
 23 
 24 extern unsigned long copy_fpr_to_user(void __user *to,
 25                                       struct task_struct *task);
 26 extern unsigned long copy_transact_fpr_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_transact_fpr_from_user(struct task_struct *task,
 31                                                  void __user *from);
 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_transact_vsx_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_transact_vsx_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 pt_regs *regs);
 47 
 48 #else /* CONFIG_PPC64 */
 49 
 50 static inline int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
 51                                      struct pt_regs *regs)
 52 {
 53         return -EFAULT;
 54 }
 55 
 56 #endif /* !defined(CONFIG_PPC64) */
 57 
 58 #endif  /* _POWERPC_ARCH_SIGNAL_H */
 59 

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