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