Linux Kernel  3.7.1
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signal32.h
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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 k_sigaction *ka, sigset_t *set,
28  struct pt_regs *regs);
29 int compat_setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
30  sigset_t *set, struct pt_regs *regs);
31 
33 #else
34 
35 static inline int compat_setup_frame(int usid, struct k_sigaction *ka,
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 k_sigaction *ka,
42  siginfo_t *info, sigset_t *set,
43  struct pt_regs *regs)
44 {
45  return -ENOSYS;
46 }
47 
48 static inline void compat_setup_restart_syscall(struct pt_regs *regs)
49 {
50 }
51 #endif /* CONFIG_COMPAT */
52 #endif /* __KERNEL__ */
53 #endif /* __ASM_SIGNAL32_H */