LXR linux/arch/powerpc/kernel/signal.h

   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
  13extern void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags);
  14
  15extern void __user *get_sigframe(struct ksignal *ksig, unsigned long sp,
  16                                  size_t frame_size, int is_32);
  17
  18extern int handle_signal32(struct ksignal *ksig, sigset_t *oldset,
  19                           struct pt_regs *regs);
  20
  21extern int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset,
  22                              struct pt_regs *regs);
  23
  24extern unsigned long copy_fpr_to_user(void __user *to,
  25                                      struct task_struct *task);
  26extern unsigned long copy_transact_fpr_to_user(void __user *to,
  27                                               struct task_struct *task);
  28extern unsigned long copy_fpr_from_user(struct task_struct *task,
  29                                        void __user *from);
  30extern unsigned long copy_transact_fpr_from_user(struct task_struct *task,
  31                                                 void __user *from);
  32#ifdef CONFIG_VSX
  33extern unsigned long copy_vsx_to_user(void __user *to,
  34                                      struct task_struct *task);
  35extern unsigned long copy_transact_vsx_to_user(void __user *to,
  36                                               struct task_struct *task);
  37extern unsigned long copy_vsx_from_user(struct task_struct *task,
  38                                        void __user *from);
  39extern unsigned long copy_transact_vsx_from_user(struct task_struct *task,
  40                                                 void __user *from);
  41#endif
  42
  43#ifdef CONFIG_PPC64
  44
  45extern int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
  46                              struct pt_regs *regs);
  47
  48#else /* CONFIG_PPC64 */
  49
  50static 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