3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
24 * Copyright 2023 Oxide Computer Company
25 *
26 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
27 * Use is subject to license terms.
28 */
29
30 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
31 /* All Rights Reserved */
32
33 #ifndef _SYS_UCONTEXT_H
34 #define _SYS_UCONTEXT_H
35
36 #include <sys/feature_tests.h>
37
38 #include <sys/types.h>
39 #include <sys/mcontext.h>
40 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
41 #include <sys/signal.h>
42 #endif
72 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
73 typedef struct ucontext ucontext_t;
74 #else
75 typedef struct __ucontext ucontext_t;
76 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
77
78 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
79 struct ucontext {
80 #else
81 struct __ucontext {
82 #endif
83 unsigned long uc_flags;
84 ucontext_t *uc_link;
85 sigset_t uc_sigmask;
86 stack_t uc_stack;
87 mcontext_t uc_mcontext;
88 /*
89 * The first three entries have been borrowed by the lx brand right now.
90 * That should be consolidated into a single uc_brand entry with a
91 * UC_BRAND flag. Until such time, we leave them as is.
92 */
93 long uc_filler[3];
94 long uc_xsave;
95 long uc_filler1;
96 };
97
98 #if defined(_SYSCALL32)
99
100 /* Kernel view of user ILP32 ucontext structure */
101
102 typedef struct ucontext32 {
103 uint32_t uc_flags;
104 caddr32_t uc_link;
105 sigset_t uc_sigmask;
106 stack32_t uc_stack;
107 mcontext32_t uc_mcontext;
108 int32_t uc_filler[3];
109 int32_t uc_xsave;
110 int32_t uc_filler1;
111 } ucontext32_t;
112
113 #if defined(_KERNEL)
114 extern void ucontext_nto32(const ucontext_t *src, ucontext32_t *dest);
115 extern void ucontext_32ton(const ucontext32_t *src, ucontext_t *dest);
116 #endif
117
118 #endif /* _SYSCALL32 */
119
120 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
121 #define GETCONTEXT 0
122 #define SETCONTEXT 1
123 #define GETUSTACK 2
124 #define SETUSTACK 3
125 #define GETCONTEXT_EXTD 4
126
127 /*
128 * values for uc_flags
|
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2015 Joyent, Inc.
24 * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
25 * Copyright 2023 Oxide Computer Company
26 *
27 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
28 * Use is subject to license terms.
29 */
30
31 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
32 /* All Rights Reserved */
33
34 #ifndef _SYS_UCONTEXT_H
35 #define _SYS_UCONTEXT_H
36
37 #include <sys/feature_tests.h>
38
39 #include <sys/types.h>
40 #include <sys/mcontext.h>
41 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
42 #include <sys/signal.h>
43 #endif
73 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
74 typedef struct ucontext ucontext_t;
75 #else
76 typedef struct __ucontext ucontext_t;
77 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
78
79 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
80 struct ucontext {
81 #else
82 struct __ucontext {
83 #endif
84 unsigned long uc_flags;
85 ucontext_t *uc_link;
86 sigset_t uc_sigmask;
87 stack_t uc_stack;
88 mcontext_t uc_mcontext;
89 /*
90 * The first three entries have been borrowed by the lx brand right now.
91 * That should be consolidated into a single uc_brand entry with a
92 * UC_BRAND flag. Until such time, we leave them as is.
93 *
94 * We rename those first three entries here for SmartOS.
95 */
96 void *uc_brand_data[3];
97 long uc_xsave;
98 long uc_filler1;
99 };
100 #if defined(_SYSCALL32)
101
102 /* Kernel view of user ILP32 ucontext structure */
103
104 typedef struct ucontext32 {
105 uint32_t uc_flags;
106 caddr32_t uc_link;
107 sigset_t uc_sigmask;
108 stack32_t uc_stack;
109 mcontext32_t uc_mcontext;
110 caddr32_t uc_brand_data[3];
111 int32_t uc_xsave;
112 int32_t uc_filler1;
113 } ucontext32_t;
114
115 #if defined(_KERNEL)
116 extern void ucontext_nto32(const ucontext_t *src, ucontext32_t *dest);
117 extern void ucontext_32ton(const ucontext32_t *src, ucontext_t *dest);
118 #endif
119
120 #endif /* _SYSCALL32 */
121
122 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
123 #define GETCONTEXT 0
124 #define SETCONTEXT 1
125 #define GETUSTACK 2
126 #define SETUSTACK 3
127 #define GETCONTEXT_EXTD 4
128
129 /*
130 * values for uc_flags
|