xref: /illumos-gate/usr/src/head/ucontext.h (revision 7014882c6a3672fd0e5d60200af8643ae53c5928)
1 /*
2  * CDDL HEADER START
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 /*	Copyright (c) 1988 AT&T	*/
22 /*	  All Rights Reserved  	*/
23 
24 
25 /*
26  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
27  * Use is subject to license terms.
28  */
29 
30 #ifndef _UCONTEXT_H
31 #define	_UCONTEXT_H
32 
33 #include <sys/ucontext.h>
34 
35 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
36 #include <sys/siginfo.h>
37 #endif
38 
39 #ifdef	__cplusplus
40 extern "C" {
41 #endif
42 
43 #ifdef __sparc
44 #ifdef __PRAGMA_REDEFINE_EXTNAME
45 #pragma	redefine_extname	makecontext	__makecontext_v2
46 #else
47 #define	makecontext	__makecontext_v2
48 #endif
49 #endif
50 
51 #if defined(__STDC__)
52 
53 extern int getcontext(ucontext_t *) __RETURNS_TWICE;
54 #pragma unknown_control_flow(getcontext)
55 extern int setcontext(const ucontext_t *) __NORETURN;
56 extern int swapcontext(ucontext_t *_RESTRICT_KYWD,
57 		const ucontext_t *_RESTRICT_KYWD);
58 extern void makecontext(ucontext_t *, void(*)(), int, ...);
59 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
60 extern int walkcontext(const ucontext_t *, int (*)(uintptr_t, int, void *),
61     void *);
62 extern int printstack(int);
63 extern int addrtosymstr(void *, char *, int);
64 extern int getustack(stack_t **);
65 extern int setustack(stack_t *);
66 
67 extern int stack_getbounds(stack_t *);
68 extern int stack_setbounds(const stack_t *);
69 extern int stack_inbounds(void *);
70 extern int stack_violation(int, const siginfo_t *, const ucontext_t *);
71 
72 extern void *_stack_grow(void *);
73 #endif
74 #else
75 
76 extern int getcontext() __RETURNS_TWICE;
77 #pragma unknown_control_flow(getcontext)
78 extern int setcontext();
79 extern int swapcontext();
80 extern void makecontext();
81 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
82 extern int walkcontext();
83 extern int printstack();
84 extern int addrtosymstr();
85 extern int getustack();
86 extern int setustack();
87 
88 extern int stack_getbounds();
89 extern int stack_setbounds();
90 extern int stack_inbounds();
91 extern int stack_violation();
92 
93 extern void *_stack_grow();
94 #endif
95 #endif
96 
97 #ifdef	__cplusplus
98 }
99 #endif
100 
101 #endif	/* _UCONTEXT_H */
102