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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /*-
26: * Copyright (c) 1990, 1993
27: * The Regents of the University of California. All rights reserved.
28: * (c) UNIX System Laboratories, Inc.
29: * All or some portions of this file are derived from material licensed
30: * to the University of California by American Telephone and Telegraph
31: * Co. or Unix System Laboratories, Inc. and are reproduced herein with
32: * the permission of UNIX System Laboratories, Inc.
33: *
34: * Redistribution and use in source and binary forms, with or without
35: * modification, are permitted provided that the following conditions
36: * are met:
37: * 1. Redistributions of source code must retain the above copyright
38: * notice, this list of conditions and the following disclaimer.
39: * 2. Redistributions in binary form must reproduce the above copyright
40: * notice, this list of conditions and the following disclaimer in the
41: * documentation and/or other materials provided with the distribution.
42: * 3. All advertising materials mentioning features or use of this software
43: * must display the following acknowledgement:
44: * This product includes software developed by the University of
45: * California, Berkeley and its contributors.
46: * 4. Neither the name of the University nor the names of its contributors
47: * may be used to endorse or promote products derived from this software
48: * without specific prior written permission.
49: *
50: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
51: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
54: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
60: * SUCH DAMAGE.
61: *
62: * @(#)setjmp.h 8.2 (Berkeley) 1/21/94
63: */
64: /* Copyright (c) 1998 Apple Computer, Inc. All rights reserved.
65: *
66: * File: ppc/setjmp.h
67: *
68: * Declaration of setjmp routines and data structures.
69: */
70: #ifndef _BSD_PPC_SETJMP_H_
71: #define _BSD_PPC_SETJMP_H_
72:
73: #include <sys/cdefs.h>
74: #include <machine/signal.h>
75:
76: struct _jmp_buf {
77: struct sigcontext sigcontext; /* kernel state preserved by set/longjmp */
78: unsigned long vmask __attribute__((aligned(8))); /* vector mask register */
79: unsigned long vreg[32 * 4] __attribute__((aligned(16)));
80: /* 32 128-bit vector registers */
81: };
82:
83: /*
84: * _JBLEN is number of ints required to save the following:
85: * r1, r2, r13-r31, lr, cr, ctr, xer, sig == 26 ints
86: * fr14 - fr31 = 18 doubles = 36 ints
87: * vmask, 32 vector registers = 129 ints
88: * 2 ints to get all the elements aligned
89: */
90:
91: #define _JBLEN (26 + 36 + 129 + 1)
92:
93: #if defined(_KERNEL)
94: typedef struct sigcontext jmp_buf[1];
95: typedef struct __sigjmp_buf {
96: int __storage[_JBLEN + 1] __attribute__((aligned(8)));
97: } sigjmp_buf[1];
98: #else
99: typedef int jmp_buf[_JBLEN];
100: typedef int sigjmp_buf[_JBLEN + 1];
101: #endif
102:
103: __BEGIN_DECLS
104: extern int setjmp __P((jmp_buf env));
105: extern void longjmp __P((jmp_buf env, int val));
106:
107: #ifndef _ANSI_SOURCE
108: int sigsetjmp __P((sigjmp_buf env, int val));
109: void siglongjmp __P((sigjmp_buf env, int val));
110: #endif /* _ANSI_SOURCE */
111:
112: #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
113: int _setjmp __P((jmp_buf env));
114: void _longjmp __P((jmp_buf, int val));
115: void longjmperror __P((void));
116: #endif /* neither ANSI nor POSIX */
117: __END_DECLS
118:
119: #endif /* !_BSD_PPC_SETJMP_H_ */
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