1 /* 2 * Copyright (C) 2012 ARM Ltd. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 #ifndef __ASM_SIGNAL32_H 17 #define __ASM_SIGNAL32_H 18 19 #ifdef __KERNEL__ 20 #ifdef CONFIG_COMPAT 21 #include <linux/compat.h> 22 23 #define AARCH32_KERN_SIGRET_CODE_OFFSET 0x500 24 25 extern const compat_ulong_t aarch32_sigret_code[6]; 26 27 int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set, 28 struct pt_regs *regs); 29 int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set, 30 struct pt_regs *regs); 31 32 void compat_setup_restart_syscall(struct pt_regs *regs); 33 #else 34 35 static inline int compat_setup_frame(int usid, struct ksignal *ksig, 36 sigset_t *set, struct pt_regs *regs) 37 { 38 return -ENOSYS; 39 } 40 41 static inline int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set, 42 struct pt_regs *regs) 43 { 44 return -ENOSYS; 45 } 46 47 static inline void compat_setup_restart_syscall(struct pt_regs *regs) 48 { 49 } 50 #endif /* CONFIG_COMPAT */ 51 #endif /* __KERNEL__ */ 52 #endif /* __ASM_SIGNAL32_H */ 53