arch/powerpc/kernel/signal.h

   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 k_sigaction *ka, struct pt_regs *regs,
  16                                   size_t frame_size, int is_32);
  17 extern void restore_sigmask(sigset_t *set);
  18
  19 extern int handle_signal32(unsigned long sig, struct k_sigaction *ka,
  20                            siginfo_t *info, sigset_t *oldset,
  21                            struct pt_regs *regs);
  22
  23 extern int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
  24                               siginfo_t *info, sigset_t *oldset,
  25                               struct pt_regs *regs);
  26
  27 extern unsigned long copy_fpr_to_user(void __user *to,
  28                                       struct task_struct *task);
  29 extern unsigned long copy_fpr_from_user(struct task_struct *task,
  30                                         void __user *from);
  31 #ifdef CONFIG_VSX
  32 extern unsigned long copy_vsx_to_user(void __user *to,
  33                                       struct task_struct *task);
  34 extern unsigned long copy_vsx_from_user(struct task_struct *task,
  35                                         void __user *from);
  36 #endif
  37
  38 #ifdef CONFIG_PPC64
  39
  40 extern int handle_rt_signal64(int signr, struct k_sigaction *ka,
  41                               siginfo_t *info, sigset_t *set,
  42                               struct pt_regs *regs);
  43
  44 #else /* CONFIG_PPC64 */
  45
  46 static inline int handle_rt_signal64(int signr, struct k_sigaction *ka,
  47                                      siginfo_t *info, sigset_t *set,
  48                                      struct pt_regs *regs)
  49 {
  50         return -EFAULT;
  51 }
  52
  53 #endif /* !defined(CONFIG_PPC64) */
  54
  55 #endif  /* _POWERPC_ARCH_SIGNAL_H */