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
25extern const compat_ulong_t aarch32_sigret_code[6];
26
27int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
28		       struct pt_regs *regs);
29int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
30			  struct pt_regs *regs);
31
32void compat_setup_restart_syscall(struct pt_regs *regs);
33#else
34
35static inline int compat_setup_frame(int usid, struct ksignal *ksig,
36				     sigset_t *set, struct pt_regs *regs)
37{
38	return -ENOSYS;
39}
40
41static 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
47static 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