/*
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* Copyright (c) 2007 Benjamin Herrenschmidt, IBM Corporation
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* Extracted from signal_32.c and signal_64.c
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*
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* This file is subject to the terms and conditions of the GNU General
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* Public License. See the file README.legal in the main directory of
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* this archive for more details.
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*/
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#ifndef _POWERPC_ARCH_SIGNAL_H
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#define _POWERPC_ARCH_SIGNAL_H
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extern void __user *get_sigframe(struct ksignal *ksig, unsigned long sp,
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size_t frame_size, int is_32);
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extern int handle_signal32(struct ksignal *ksig, sigset_t *oldset,
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struct task_struct *tsk);
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extern int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset,
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struct task_struct *tsk);
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extern unsigned long copy_fpr_to_user(void __user *to,
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struct task_struct *task);
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extern unsigned long copy_ckfpr_to_user(void __user *to,
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struct task_struct *task);
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extern unsigned long copy_fpr_from_user(struct task_struct *task,
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void __user *from);
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extern unsigned long copy_ckfpr_from_user(struct task_struct *task,
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void __user *from);
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extern unsigned long get_tm_stackpointer(struct task_struct *tsk);
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#ifdef CONFIG_VSX
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extern unsigned long copy_vsx_to_user(void __user *to,
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struct task_struct *task);
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extern unsigned long copy_ckvsx_to_user(void __user *to,
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struct task_struct *task);
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extern unsigned long copy_vsx_from_user(struct task_struct *task,
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void __user *from);
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extern unsigned long copy_ckvsx_from_user(struct task_struct *task,
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void __user *from);
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#endif
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#ifdef CONFIG_PPC64
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extern int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
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struct task_struct *tsk);
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#else /* CONFIG_PPC64 */
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extern long sys_rt_sigreturn(void);
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extern long sys_sigreturn(void);
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static inline int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
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struct task_struct *tsk)
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{
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return -EFAULT;
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}
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#endif /* !defined(CONFIG_PPC64) */
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#endif /* _POWERPC_ARCH_SIGNAL_H */
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