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 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) 14 15 extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, 16 size_t frame_size); 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 static inline int is_32bit_task(void) 41 { 42 return test_thread_flag(TIF_32BIT); 43 } 44 45 extern int handle_rt_signal64(int signr, struct k_sigaction *ka, 46 siginfo_t *info, sigset_t *set, 47 struct pt_regs *regs); 48 49 #else /* CONFIG_PPC64 */ 50 51 static inline int is_32bit_task(void) 52 { 53 return 1; 54 } 55 56 static inline int handle_rt_signal64(int signr, struct k_sigaction *ka, 57 siginfo_t *info, sigset_t *set, 58 struct pt_regs *regs) 59 { 60 return -EFAULT; 61 } 62 63 #endif /* !defined(CONFIG_PPC64) */ 64 65 #endif /* _POWERPC_ARCH_SIGNAL_H */ 66