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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 _UAPI__ASM_SIGCONTEXT_H | |
17 | #define _UAPI__ASM_SIGCONTEXT_H | |
18 | ||
19 | #include <linux/types.h> | |
20 | ||
21 | /* | |
22 | * Signal context structure - contains all info to do with the state | |
23 | * before the signal handler was invoked. | |
24 | */ | |
25 | struct sigcontext { | |
26 | __u64 fault_address; | |
27 | /* AArch64 registers */ | |
28 | __u64 regs[31]; | |
29 | __u64 sp; | |
30 | __u64 pc; | |
31 | __u64 pstate; | |
32 | /* 4K reserved for FP/SIMD state and future expansion */ | |
33 | __u8 __reserved[4096] __attribute__((__aligned__(16))); | |
34 | }; | |
35 | ||
36 | /* | |
37 | * Header to be used at the beginning of structures extending the user | |
38 | * context. Such structures must be placed after the rt_sigframe on the stack | |
39 | * and be 16-byte aligned. The last structure must be a dummy one with the | |
40 | * magic and size set to 0. | |
41 | */ | |
42 | struct _aarch64_ctx { | |
43 | __u32 magic; | |
44 | __u32 size; | |
45 | }; | |
46 | ||
47 | #define FPSIMD_MAGIC 0x46508001 | |
48 | ||
49 | struct fpsimd_context { | |
50 | struct _aarch64_ctx head; | |
51 | __u32 fpsr; | |
52 | __u32 fpcr; | |
53 | __uint128_t vregs[32]; | |
54 | }; | |
55 | ||
15af1942 CM |
56 | /* ESR_EL1 context */ |
57 | #define ESR_MAGIC 0x45535201 | |
58 | ||
59 | struct esr_context { | |
60 | struct _aarch64_ctx head; | |
5e406450 | 61 | __u64 esr; |
15af1942 | 62 | }; |
4262a727 DH |
63 | |
64 | #endif /* _UAPI__ASM_SIGCONTEXT_H */ |