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/*
* Copyright (c) 2007 Benjamin Herrenschmidt, IBM Coproration
* Extracted from signal_32.c and signal_64.c
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file README.legal in the main directory of
* this archive for more details.
*/
#ifndef _POWERPC_ARCH_SIGNAL_H
#define _POWERPC_ARCH_SIGNAL_H
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
size_t frame_size);
extern void restore_sigmask(sigset_t *set);
extern int handle_signal32(unsigned long sig, struct k_sigaction *ka,
siginfo_t *info, sigset_t *oldset,
struct pt_regs *regs);
extern int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
siginfo_t *info, sigset_t *oldset,
struct pt_regs *regs);
extern unsigned long copy_fpr_to_user(void __user *to,
struct task_struct *task);
extern unsigned long copy_fpr_from_user(struct task_struct *task,
void __user *from);
#ifdef CONFIG_VSX
extern unsigned long copy_vsx_to_user(void __user *to,
struct task_struct *task);
extern unsigned long copy_vsx_from_user(struct task_struct *task,
void __user *from);
#endif
#ifdef CONFIG_PPC64
static inline int is_32bit_task(void)
{
return test_thread_flag(TIF_32BIT);
}
extern int handle_rt_signal64(int signr, struct k_sigaction *ka,
siginfo_t *info, sigset_t *set,
struct pt_regs *regs);
#else /* CONFIG_PPC64 */
static inline int is_32bit_task(void)
{
return 1;
}
static inline int handle_rt_signal64(int signr, struct k_sigaction *ka,
siginfo_t *info, sigset_t *set,
struct pt_regs *regs)
{
return -EFAULT;
}
#endif /* !defined(CONFIG_PPC64) */
#endif /* _POWERPC_ARCH_SIGNAL_H */
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