xref: /illumos-gate/usr/src/head/iso/setjmp_iso.h (revision b4203d75)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate  * with the License.
87c478bd9Sstevel@tonic-gate  *
97c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate  * and limitations under the License.
137c478bd9Sstevel@tonic-gate  *
147c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate  *
207c478bd9Sstevel@tonic-gate  * CDDL HEADER END
217c478bd9Sstevel@tonic-gate  */
227c478bd9Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
23*b4203d75SMarcel Telka /*	  All Rights Reserved	*/
257c478bd9Sstevel@tonic-gate /*
26ba3594baSGarrett D'Amore  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
27ba3594baSGarrett D'Amore  *
287c478bd9Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
297c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
307c478bd9Sstevel@tonic-gate  */
327c478bd9Sstevel@tonic-gate /*
337c478bd9Sstevel@tonic-gate  * An application should not include this header directly.  Instead it
347c478bd9Sstevel@tonic-gate  * should be included only through the inclusion of other Sun headers.
357c478bd9Sstevel@tonic-gate  *
367c478bd9Sstevel@tonic-gate  * The contents of this header is limited to identifiers specified in the
377c478bd9Sstevel@tonic-gate  * C Standard.  Any new identifiers specified in future amendments to the
387c478bd9Sstevel@tonic-gate  * C Standard must be placed in this header.  If these new identifiers
397c478bd9Sstevel@tonic-gate  * are required to also be in the C++ Standard "std" namespace, then for
407c478bd9Sstevel@tonic-gate  * anything other than macro definitions, corresponding "using" directives
417c478bd9Sstevel@tonic-gate  * must also be added to <setjmp.h>.
427c478bd9Sstevel@tonic-gate  */
447c478bd9Sstevel@tonic-gate #ifndef _ISO_SETJMP_ISO_H
457c478bd9Sstevel@tonic-gate #define	_ISO_SETJMP_ISO_H
477c478bd9Sstevel@tonic-gate #include <sys/feature_tests.h>
497c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
507c478bd9Sstevel@tonic-gate extern "C" {
517c478bd9Sstevel@tonic-gate #endif
537c478bd9Sstevel@tonic-gate #ifndef _JBLEN
557c478bd9Sstevel@tonic-gate /*
567c478bd9Sstevel@tonic-gate  * The sizes of the jump-buffer (_JBLEN) and the sigjump-buffer
577c478bd9Sstevel@tonic-gate  * (_SIGJBLEN) are defined by the appropriate, processor specific,
587c478bd9Sstevel@tonic-gate  * ABI.
597c478bd9Sstevel@tonic-gate  */
607c478bd9Sstevel@tonic-gate #if defined(__amd64)
617c478bd9Sstevel@tonic-gate #define	_JBLEN		8	/* ABI value */
627c478bd9Sstevel@tonic-gate #define	_SIGJBLEN	128	/* ABI value */
637c478bd9Sstevel@tonic-gate #elif defined(__i386)
647c478bd9Sstevel@tonic-gate #define	_JBLEN		10	/* ABI value */
657c478bd9Sstevel@tonic-gate #define	_SIGJBLEN	128	/* ABI value */
667c478bd9Sstevel@tonic-gate #elif defined(__sparcv9)
677c478bd9Sstevel@tonic-gate #define	_JBLEN		12	/* ABI value */
687c478bd9Sstevel@tonic-gate #define	_SIGJBLEN	19	/* ABI value */
697c478bd9Sstevel@tonic-gate #elif defined(__sparc)
707c478bd9Sstevel@tonic-gate #define	_JBLEN		12	/* ABI value */
717c478bd9Sstevel@tonic-gate #define	_SIGJBLEN	19	/* ABI value */
727c478bd9Sstevel@tonic-gate #else
737c478bd9Sstevel@tonic-gate #error "ISA not supported"
747c478bd9Sstevel@tonic-gate #endif
767c478bd9Sstevel@tonic-gate #if __cplusplus >= 199711L
777c478bd9Sstevel@tonic-gate namespace std {
787c478bd9Sstevel@tonic-gate #endif
807c478bd9Sstevel@tonic-gate #if defined(__i386) || defined(__amd64) || \
817c478bd9Sstevel@tonic-gate 	defined(__sparc) || defined(__sparcv9)
827c478bd9Sstevel@tonic-gate #if defined(_LP64) || defined(_I32LPx)
837c478bd9Sstevel@tonic-gate typedef long	jmp_buf[_JBLEN];
847c478bd9Sstevel@tonic-gate #else
857c478bd9Sstevel@tonic-gate typedef int	jmp_buf[_JBLEN];
867c478bd9Sstevel@tonic-gate #endif
877c478bd9Sstevel@tonic-gate #else
887c478bd9Sstevel@tonic-gate #error "ISA not supported"
897c478bd9Sstevel@tonic-gate #endif
916a3e8e86SRichard Lowe extern int setjmp(jmp_buf) __RETURNS_TWICE;
927c478bd9Sstevel@tonic-gate #pragma unknown_control_flow(setjmp)
936a3e8e86SRichard Lowe extern int _setjmp(jmp_buf) __RETURNS_TWICE;
947c478bd9Sstevel@tonic-gate #pragma unknown_control_flow(_setjmp)
957c478bd9Sstevel@tonic-gate extern void longjmp(jmp_buf, int) __NORETURN;
967c478bd9Sstevel@tonic-gate extern void _longjmp(jmp_buf, int) __NORETURN;
987c478bd9Sstevel@tonic-gate #if __cplusplus >= 199711L
997c478bd9Sstevel@tonic-gate }
1007c478bd9Sstevel@tonic-gate #endif /* end of namespace std */
1027c478bd9Sstevel@tonic-gate #if __cplusplus >= 199711L
1037c478bd9Sstevel@tonic-gate using std::setjmp;
1047c478bd9Sstevel@tonic-gate #endif
1067c478bd9Sstevel@tonic-gate #if defined(_STRICT_STDC) || __cplusplus >= 199711L
1077c478bd9Sstevel@tonic-gate #define	setjmp(env)	setjmp(env)
1087c478bd9Sstevel@tonic-gate #endif
1107c478bd9Sstevel@tonic-gate #endif  /* _JBLEN */
1127c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
1137c478bd9Sstevel@tonic-gate }
1147c478bd9Sstevel@tonic-gate #endif
1167c478bd9Sstevel@tonic-gate #endif	/* _ISO_SETJMP_ISO_H */