1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/* Copyright (C) 1999-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* Where is System V/SH ABI? */
#ifndef _SYS_UCONTEXT_H
#define _SYS_UCONTEXT_H 1
#include <features.h>
#include <bits/types/sigset_t.h>
#include <bits/types/stack_t.h>
typedef int greg_t;
/* Number of general registers. */
#define __NGREG 16
#ifdef __USE_MISC
# define NGREG __NGREG
#endif
/* Container for all general registers. */
typedef greg_t gregset_t[__NGREG];
#ifdef __USE_MISC
/* Number of each register is the `gregset_t' array. */
enum
{
REG_R0 = 0,
# define REG_R0 REG_R0
REG_R1 = 1,
# define REG_R1 REG_R1
REG_R2 = 2,
# define REG_R2 REG_R2
REG_R3 = 3,
# define REG_R3 REG_R3
REG_R4 = 4,
# define REG_R4 REG_R4
REG_R5 = 5,
# define REG_R5 REG_R5
REG_R6 = 6,
# define REG_R6 REG_R6
REG_R7 = 7,
# define REG_R7 REG_R7
REG_R8 = 8,
# define REG_R8 REG_R8
REG_R9 = 9,
# define REG_R9 REG_R9
REG_R10 = 10,
# define REG_R10 REG_R10
REG_R11 = 11,
# define REG_R11 REG_R11
REG_R12 = 12,
# define REG_R12 REG_R12
REG_R13 = 13,
# define REG_R13 REG_R13
REG_R14 = 14,
# define REG_R14 REG_R14
REG_R15 = 15,
# define REG_R15 REG_R15
};
#endif
typedef int freg_t;
/* Number of FPU registers. */
#define __NFPREG 16
#ifdef __USE_MISC
# define NFPREG __NFPREG
#endif
/* Structure to describe FPU registers. */
typedef freg_t fpregset_t[__NFPREG];
#ifdef __USE_MISC
# define __ctx(fld) fld
#else
# define __ctx(fld) __ ## fld
#endif
/* Context to describe whole processor state. */
typedef struct
{
unsigned int __ctx(oldmask);
gregset_t __ctx(gregs);
unsigned int __ctx(pc);
unsigned int __ctx(pr);
unsigned int __ctx(sr);
unsigned int __ctx(gbr);
unsigned int __ctx(mach);
unsigned int __ctx(macl);
fpregset_t __ctx(fpregs);
fpregset_t __ctx(xfpregs);
unsigned int __ctx(fpscr);
unsigned int __ctx(fpul);
unsigned int __ctx(ownedfp);
} mcontext_t;
/* Userlevel context. */
typedef struct ucontext_t
{
unsigned long int __ctx(uc_flags);
struct ucontext_t *uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
} ucontext_t;
#undef __ctx
#endif /* sys/ucontext.h */
|
