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 28 #ifdef CONFIG_PPC64 29 30 static inline int is_32bit_task(void) 31 { 32 return test_thread_flag(TIF_32BIT); 33 } 34 35 extern int handle_rt_signal64(int signr, struct k_sigaction *ka, 36 siginfo_t *info, sigset_t *set, 37 struct pt_regs *regs); 38 39 #else /* CONFIG_PPC64 */ 40 41 static inline int is_32bit_task(void) 42 { 43 return 1; 44 } 45 46 static inline int handle_rt_signal64(int signr, struct k_sigaction *ka, 47 siginfo_t *info, sigset_t *set, 48 struct pt_regs *regs) 49 { 50 return -EFAULT; 51 } 52 53 #endif /* !defined(CONFIG_PPC64) */ 54 55 #endif /* _POWERPC_ARCH_SIGNAL_H */ 56