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 /* Copyright (c) 1988 AT&T */
22 /* All Rights Reserved */
23
24
25 /*
26 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
27 *
28 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
29 * Use is subject to license terms.
30 */
31
32 #ifndef _UCONTEXT_H
33 #define _UCONTEXT_H
34
35 #include <sys/ucontext.h>
36 /*
37 * The file sys/regset.h defines indices in the gregset_t array,
38 * such as EIP on i386. Those defines were historically exposed
39 * via sys/ucontext.h, sys/signal.h, etc. which caused surprises
40 * due to those defines unexpectedly polluting the namespace.
41 * On the other hand, several existing applications assume that
42 * the regset names are defined after an include <ucontext.h>.
43 * To solve both problems at once: <ucontext.h> (this file)
44 * DOES include sys/regset.h for you but <sys/ucontext.h>
45 * does NOT include sys/regset.h anymore.
46 */
47 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
48 #include <sys/regset.h>
49 #include <sys/siginfo.h>
50 #endif
51
52 #ifdef __cplusplus
53 extern "C" {
54 #endif
55
56 #ifdef __sparc
57 #ifdef __PRAGMA_REDEFINE_EXTNAME
58 #pragma redefine_extname makecontext __makecontext_v2
59 #else
60 #define makecontext __makecontext_v2
61 #endif
62 #endif
63
64 extern int getcontext(ucontext_t *) __RETURNS_TWICE;
65 #pragma unknown_control_flow(getcontext)
66 extern int setcontext(const ucontext_t *) __NORETURN;
67 extern int swapcontext(ucontext_t *_RESTRICT_KYWD,
68 const ucontext_t *_RESTRICT_KYWD);
69 extern void makecontext(ucontext_t *, void(*)(), int, ...);
70
71 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
72 extern int walkcontext(const ucontext_t *, int (*)(uintptr_t, int, void *),
73 void *);
74 extern int printstack(int);
75 extern int addrtosymstr(void *, char *, int);
76 extern int getustack(stack_t **);
77 extern int setustack(stack_t *);
78
79 extern int stack_getbounds(stack_t *);
80 extern int stack_setbounds(const stack_t *);
81 extern int stack_inbounds(void *);
82 extern int stack_violation(int, const siginfo_t *, const ucontext_t *);
83
84 extern void *_stack_grow(void *);
85 #endif /* !_XPG4_2 || __EXTENSIONS__ */
86
87 #ifdef __cplusplus
88 }
89 #endif
90
91 #endif /* _UCONTEXT_H */
|
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 /* Copyright (c) 1988 AT&T */
22 /* All Rights Reserved */
23
24
25 /*
26 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
27 * Copyright 2023 Oxide Computer Company
28 *
29 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
30 * Use is subject to license terms.
31 */
32
33 #ifndef _UCONTEXT_H
34 #define _UCONTEXT_H
35
36 #include <sys/ucontext.h>
37 /*
38 * The file sys/regset.h defines indices in the gregset_t array,
39 * such as EIP on i386. Those defines were historically exposed
40 * via sys/ucontext.h, sys/signal.h, etc. which caused surprises
41 * due to those defines unexpectedly polluting the namespace.
42 * On the other hand, several existing applications assume that
43 * the regset names are defined after an include <ucontext.h>.
44 * To solve both problems at once: <ucontext.h> (this file)
45 * DOES include sys/regset.h for you but <sys/ucontext.h>
46 * does NOT include sys/regset.h anymore.
47 */
48 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
49 #include <sys/regset.h>
50 #include <sys/siginfo.h>
51 #include <sys/int_types.h>
52 #endif
53
54 #ifdef __cplusplus
55 extern "C" {
56 #endif
57
58 #ifdef __sparc
59 #ifdef __PRAGMA_REDEFINE_EXTNAME
60 #pragma redefine_extname makecontext __makecontext_v2
61 #else
62 #define makecontext __makecontext_v2
63 #endif
64 #endif
65
66 extern int getcontext(ucontext_t *) __RETURNS_TWICE;
67 #pragma unknown_control_flow(getcontext)
68 extern int setcontext(const ucontext_t *);
69 extern int swapcontext(ucontext_t *_RESTRICT_KYWD,
70 const ucontext_t *_RESTRICT_KYWD);
71 extern void makecontext(ucontext_t *, void(*)(), int, ...);
72
73 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
74 extern ucontext_t *ucontext_alloc(uint32_t);
75 extern void ucontext_free(ucontext_t *);
76 extern int getcontext_extd(ucontext_t *, uint32_t) __RETURNS_TWICE;
77 #pragma unknown_control_flow(getcontext_extd)
78 extern int swapcontext_extd(ucontext_t *_RESTRICT_KYWD, uint32_t,
79 const ucontext_t *_RESTRICT_KYWD);
80 extern int walkcontext(const ucontext_t *, int (*)(uintptr_t, int, void *),
81 void *);
82 extern int printstack(int);
83 extern int addrtosymstr(void *, char *, int);
84 extern int getustack(stack_t **);
85 extern int setustack(stack_t *);
86
87 extern int stack_getbounds(stack_t *);
88 extern int stack_setbounds(const stack_t *);
89 extern int stack_inbounds(void *);
90 extern int stack_violation(int, const siginfo_t *, const ucontext_t *);
91
92 extern void *_stack_grow(void *);
93 #endif /* !_XPG4_2 || __EXTENSIONS__ */
94
95 #ifdef __cplusplus
96 }
97 #endif
98
99 #endif /* _UCONTEXT_H */
|