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3dd681d9 WD |
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 | ||
b37091f4 KB |
23 | struct compat_sigcontext { |
24 | /* We always set these two fields to 0 */ | |
25 | compat_ulong_t trap_no; | |
26 | compat_ulong_t error_code; | |
27 | ||
28 | compat_ulong_t oldmask; | |
29 | compat_ulong_t arm_r0; | |
30 | compat_ulong_t arm_r1; | |
31 | compat_ulong_t arm_r2; | |
32 | compat_ulong_t arm_r3; | |
33 | compat_ulong_t arm_r4; | |
34 | compat_ulong_t arm_r5; | |
35 | compat_ulong_t arm_r6; | |
36 | compat_ulong_t arm_r7; | |
37 | compat_ulong_t arm_r8; | |
38 | compat_ulong_t arm_r9; | |
39 | compat_ulong_t arm_r10; | |
40 | compat_ulong_t arm_fp; | |
41 | compat_ulong_t arm_ip; | |
42 | compat_ulong_t arm_sp; | |
43 | compat_ulong_t arm_lr; | |
44 | compat_ulong_t arm_pc; | |
45 | compat_ulong_t arm_cpsr; | |
46 | compat_ulong_t fault_address; | |
47 | }; | |
48 | ||
49 | struct compat_ucontext { | |
50 | compat_ulong_t uc_flags; | |
51 | compat_uptr_t uc_link; | |
52 | compat_stack_t uc_stack; | |
53 | struct compat_sigcontext uc_mcontext; | |
54 | compat_sigset_t uc_sigmask; | |
55 | int __unused[32 - (sizeof(compat_sigset_t) / sizeof(int))]; | |
56 | compat_ulong_t uc_regspace[128] __aligned(8); | |
57 | }; | |
58 | ||
59 | struct compat_sigframe { | |
60 | struct compat_ucontext uc; | |
61 | compat_ulong_t retcode[2]; | |
62 | }; | |
63 | ||
64 | struct compat_rt_sigframe { | |
65 | struct compat_siginfo info; | |
66 | struct compat_sigframe sig; | |
67 | }; | |
68 | ||
00554fa4 | 69 | int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set, |
3dd681d9 | 70 | struct pt_regs *regs); |
00554fa4 RW |
71 | int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set, |
72 | struct pt_regs *regs); | |
3dd681d9 WD |
73 | |
74 | void compat_setup_restart_syscall(struct pt_regs *regs); | |
75 | #else | |
76 | ||
00554fa4 | 77 | static inline int compat_setup_frame(int usid, struct ksignal *ksig, |
3dd681d9 WD |
78 | sigset_t *set, struct pt_regs *regs) |
79 | { | |
80 | return -ENOSYS; | |
81 | } | |
82 | ||
00554fa4 | 83 | static inline int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set, |
3dd681d9 WD |
84 | struct pt_regs *regs) |
85 | { | |
86 | return -ENOSYS; | |
87 | } | |
88 | ||
89 | static inline void compat_setup_restart_syscall(struct pt_regs *regs) | |
90 | { | |
91 | } | |
92 | #endif /* CONFIG_COMPAT */ | |
93 | #endif /* __KERNEL__ */ | |
94 | #endif /* __ASM_SIGNAL32_H */ |