xref: /titanic_53/usr/src/head/ucontext.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
23*7c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*7c478bd9Sstevel@tonic-gate 
25*7c478bd9Sstevel@tonic-gate 
26*7c478bd9Sstevel@tonic-gate /*
27*7c478bd9Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
28*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
29*7c478bd9Sstevel@tonic-gate  */
30*7c478bd9Sstevel@tonic-gate 
31*7c478bd9Sstevel@tonic-gate #ifndef _UCONTEXT_H
32*7c478bd9Sstevel@tonic-gate #define	_UCONTEXT_H
33*7c478bd9Sstevel@tonic-gate 
34*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
35*7c478bd9Sstevel@tonic-gate 
36*7c478bd9Sstevel@tonic-gate #include <sys/ucontext.h>
37*7c478bd9Sstevel@tonic-gate 
38*7c478bd9Sstevel@tonic-gate #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
39*7c478bd9Sstevel@tonic-gate #include <sys/siginfo.h>
40*7c478bd9Sstevel@tonic-gate #endif
41*7c478bd9Sstevel@tonic-gate 
42*7c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
43*7c478bd9Sstevel@tonic-gate extern "C" {
44*7c478bd9Sstevel@tonic-gate #endif
45*7c478bd9Sstevel@tonic-gate 
46*7c478bd9Sstevel@tonic-gate #ifdef __sparc
47*7c478bd9Sstevel@tonic-gate #ifdef __PRAGMA_REDEFINE_EXTNAME
48*7c478bd9Sstevel@tonic-gate #pragma	redefine_extname	makecontext	__makecontext_v2
49*7c478bd9Sstevel@tonic-gate #else
50*7c478bd9Sstevel@tonic-gate #define	makecontext	__makecontext_v2
51*7c478bd9Sstevel@tonic-gate #endif
52*7c478bd9Sstevel@tonic-gate #endif
53*7c478bd9Sstevel@tonic-gate 
54*7c478bd9Sstevel@tonic-gate #if defined(__STDC__)
55*7c478bd9Sstevel@tonic-gate 
56*7c478bd9Sstevel@tonic-gate extern int getcontext(ucontext_t *);
57*7c478bd9Sstevel@tonic-gate #pragma unknown_control_flow(getcontext)
58*7c478bd9Sstevel@tonic-gate extern int setcontext(const ucontext_t *) __NORETURN;
59*7c478bd9Sstevel@tonic-gate extern int swapcontext(ucontext_t *_RESTRICT_KYWD,
60*7c478bd9Sstevel@tonic-gate 		const ucontext_t *_RESTRICT_KYWD);
61*7c478bd9Sstevel@tonic-gate extern void makecontext(ucontext_t *, void(*)(), int, ...);
62*7c478bd9Sstevel@tonic-gate #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
63*7c478bd9Sstevel@tonic-gate extern int walkcontext(const ucontext_t *, int (*)(uintptr_t, int, void *),
64*7c478bd9Sstevel@tonic-gate     void *);
65*7c478bd9Sstevel@tonic-gate extern int printstack(int);
66*7c478bd9Sstevel@tonic-gate 
67*7c478bd9Sstevel@tonic-gate extern int getustack(stack_t **);
68*7c478bd9Sstevel@tonic-gate extern int setustack(stack_t *);
69*7c478bd9Sstevel@tonic-gate 
70*7c478bd9Sstevel@tonic-gate extern int stack_getbounds(stack_t *);
71*7c478bd9Sstevel@tonic-gate extern int stack_setbounds(const stack_t *);
72*7c478bd9Sstevel@tonic-gate extern int stack_inbounds(void *);
73*7c478bd9Sstevel@tonic-gate extern int stack_violation(int, const siginfo_t *, const ucontext_t *);
74*7c478bd9Sstevel@tonic-gate 
75*7c478bd9Sstevel@tonic-gate extern void *_stack_grow(void *);
76*7c478bd9Sstevel@tonic-gate #endif
77*7c478bd9Sstevel@tonic-gate #else
78*7c478bd9Sstevel@tonic-gate 
79*7c478bd9Sstevel@tonic-gate extern int getcontext();
80*7c478bd9Sstevel@tonic-gate #pragma unknown_control_flow(getcontext)
81*7c478bd9Sstevel@tonic-gate extern int setcontext();
82*7c478bd9Sstevel@tonic-gate extern int swapcontext();
83*7c478bd9Sstevel@tonic-gate extern void makecontext();
84*7c478bd9Sstevel@tonic-gate #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
85*7c478bd9Sstevel@tonic-gate extern int walkcontext();
86*7c478bd9Sstevel@tonic-gate extern int printstack();
87*7c478bd9Sstevel@tonic-gate 
88*7c478bd9Sstevel@tonic-gate extern int getustack();
89*7c478bd9Sstevel@tonic-gate extern int setustack();
90*7c478bd9Sstevel@tonic-gate 
91*7c478bd9Sstevel@tonic-gate extern int stack_getbounds();
92*7c478bd9Sstevel@tonic-gate extern int stack_setbounds();
93*7c478bd9Sstevel@tonic-gate extern int stack_inbounds();
94*7c478bd9Sstevel@tonic-gate extern int stack_violation();
95*7c478bd9Sstevel@tonic-gate 
96*7c478bd9Sstevel@tonic-gate extern void *_stack_grow();
97*7c478bd9Sstevel@tonic-gate #endif
98*7c478bd9Sstevel@tonic-gate #endif
99*7c478bd9Sstevel@tonic-gate 
100*7c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
101*7c478bd9Sstevel@tonic-gate }
102*7c478bd9Sstevel@tonic-gate #endif
103*7c478bd9Sstevel@tonic-gate 
104*7c478bd9Sstevel@tonic-gate #endif	/* _UCONTEXT_H */
105