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 int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
26 struct pt_regs *regs);
27 int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
28 struct pt_regs *regs);
29
30 void compat_setup_restart_syscall(struct pt_regs *regs);
31 #else
32
compat_setup_frame(int usid,struct ksignal * ksig,sigset_t * set,struct pt_regs * regs)33 static inline int compat_setup_frame(int usid, struct ksignal *ksig,
34 sigset_t *set, struct pt_regs *regs)
35 {
36 return -ENOSYS;
37 }
38
compat_setup_rt_frame(int usig,struct ksignal * ksig,sigset_t * set,struct pt_regs * regs)39 static inline int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
40 struct pt_regs *regs)
41 {
42 return -ENOSYS;
43 }
44
compat_setup_restart_syscall(struct pt_regs * regs)45 static inline void compat_setup_restart_syscall(struct pt_regs *regs)
46 {
47 }
48 #endif /* CONFIG_COMPAT */
49 #endif /* __KERNEL__ */
50 #endif /* __ASM_SIGNAL32_H */
51