xref: /titanic_52/usr/src/lib/libbc/inc/include/sys/setjmp.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 /*	from UCB 4.1 83/05/03	*/
23*7c478bd9Sstevel@tonic-gate 
24*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
25*7c478bd9Sstevel@tonic-gate 
26*7c478bd9Sstevel@tonic-gate #ifndef	__sparc_setjmp_h
27*7c478bd9Sstevel@tonic-gate #define	__sparc_setjmp_h
28*7c478bd9Sstevel@tonic-gate 
29*7c478bd9Sstevel@tonic-gate /*
30*7c478bd9Sstevel@tonic-gate  * onsstack,sigmask,sp,pc,npc,psr,g1,o0,wbcnt (sigcontext).
31*7c478bd9Sstevel@tonic-gate  * All else recovered by under/over(flow) handling.
32*7c478bd9Sstevel@tonic-gate  */
33*7c478bd9Sstevel@tonic-gate #define	_JBLEN	9
34*7c478bd9Sstevel@tonic-gate 
35*7c478bd9Sstevel@tonic-gate typedef	int jmp_buf[_JBLEN];
36*7c478bd9Sstevel@tonic-gate 
37*7c478bd9Sstevel@tonic-gate /*
38*7c478bd9Sstevel@tonic-gate  * One extra word for the "signal mask saved here" flag.
39*7c478bd9Sstevel@tonic-gate  */
40*7c478bd9Sstevel@tonic-gate typedef	int sigjmp_buf[_JBLEN+1];
41*7c478bd9Sstevel@tonic-gate 
42*7c478bd9Sstevel@tonic-gate int	setjmp(/* jmp_buf env */);
43*7c478bd9Sstevel@tonic-gate int	_setjmp(/* jmp_buf env */);
44*7c478bd9Sstevel@tonic-gate int	sigsetjmp(/* sigjmp_buf env, int savemask */);
45*7c478bd9Sstevel@tonic-gate void	longjmp(/* jmp_buf env, int val */);
46*7c478bd9Sstevel@tonic-gate void	_longjmp(/* jmp_buf env, int val */);
47*7c478bd9Sstevel@tonic-gate void	siglongjmp(/* sigjmp_buf env, int val */);
48*7c478bd9Sstevel@tonic-gate 
49*7c478bd9Sstevel@tonic-gate /*
50*7c478bd9Sstevel@tonic-gate  * Routines that call setjmp have strange control flow graphs,
51*7c478bd9Sstevel@tonic-gate  * since a call to a routine that calls resume/longjmp will eventually
52*7c478bd9Sstevel@tonic-gate  * return at the setjmp site, not the original call site.  This
53*7c478bd9Sstevel@tonic-gate  * utterly wrecks control flow analysis.
54*7c478bd9Sstevel@tonic-gate  */
55*7c478bd9Sstevel@tonic-gate #pragma unknown_control_flow(sigsetjmp, setjmp, _setjmp)
56*7c478bd9Sstevel@tonic-gate 
57*7c478bd9Sstevel@tonic-gate #endif	/* !__sparc_setjmp_h */
58