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5f72b005 | 1 | /* struct ucontext definition, C-SKY version. |
04277e02 | 2 | Copyright (C) 2018-2019 Free Software Foundation, Inc. |
5f72b005 MH |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library. If not, see | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #ifndef _SYS_UCONTEXT_H | |
20 | #define _SYS_UCONTEXT_H 1 | |
21 | ||
22 | #include <features.h> | |
23 | ||
24 | #include <bits/types/sigset_t.h> | |
25 | #include <bits/types/stack_t.h> | |
26 | ||
27 | typedef struct | |
28 | { | |
29 | unsigned long __tls; | |
30 | unsigned long __lr; | |
31 | unsigned long __pc; | |
32 | unsigned long __sr; | |
33 | unsigned long __usp; | |
34 | ||
35 | /* | |
36 | * a0, a1, a2, a3: | |
37 | * abiv1: r2, r3, r4, r5 | |
38 | * abiv2: r0, r1, r2, r3 | |
39 | */ | |
40 | ||
41 | unsigned long __orig_a0; | |
42 | unsigned long __a0; | |
43 | unsigned long __a1; | |
44 | unsigned long __a2; | |
45 | unsigned long __a3; | |
46 | ||
47 | /* | |
48 | * ABIV2: r4 ~ r13 | |
49 | */ | |
50 | unsigned long __regs[10]; | |
51 | ||
52 | /* r16 ~ r30 */ | |
53 | unsigned long __exregs[15]; | |
54 | ||
55 | unsigned long __rhi; | |
56 | unsigned long __rlo; | |
57 | unsigned long __glibc_reserved; | |
58 | } gregset_t; | |
59 | ||
60 | typedef struct | |
61 | { | |
62 | unsigned long __vr[64]; | |
63 | unsigned long __fcr; | |
64 | unsigned long __fesr; | |
65 | unsigned long __fid; | |
66 | unsigned long __glibc_reserved; | |
67 | } fpregset_t; | |
68 | ||
69 | /* Context to describe whole processor state. */ | |
70 | typedef struct | |
71 | { | |
5f72b005 MH |
72 | gregset_t __gregs; |
73 | fpregset_t __fpregs; | |
74 | } mcontext_t; | |
75 | ||
76 | /* Userlevel context. */ | |
77 | typedef struct ucontext_t | |
78 | { | |
79 | unsigned long int __uc_flags; | |
80 | struct ucontext_t *uc_link; | |
81 | stack_t uc_stack; | |
82 | mcontext_t uc_mcontext; | |
83 | sigset_t uc_sigmask; | |
84 | } ucontext_t; | |
85 | ||
86 | #undef __ctx | |
87 | ||
88 | ||
89 | #endif /* sys/ucontext.h */ |