xref: /openbmc/linux/arch/arm64/include/asm/signal32.h (revision 60772e48)
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 
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 
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 
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