xref: /optee_os/lib/libutils/isoc/include/setjmp.h (revision 2fa93c744fbdcdf6415dfdf149588b3c7624a7eb)
1 /*
2  * Copyright (c) 1994-2009  Red Hat, Inc.
3  * Copyright (c) 2016, Linaro Limited
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright notice,
10  * this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright notice,
13  * this list of conditions and the following disclaimer in the documentation
14  * and/or other materials provided with the distribution.
15  *
16  * 3. Neither the name of the copyright holder nor the names of its
17  * contributors may be used to endorse or promote products derived from this
18  * software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef __SETJMP_H
34 #define __SETJMP_H
35 
36 #if defined(ARM32)
37 /*
38  * All callee preserved registers:
39  * v1 - v7, fp, ip, sp, lr, f4, f5, f6, f7
40  */
41 #define _JBLEN 23
42 #define _JBTYPE int
43 #endif
44 
45 #if defined(ARM64)
46 #define _JBLEN 22
47 #define _JBTYPE long long
48 #endif
49 
50 #ifdef _JBLEN
51 typedef	_JBTYPE jmp_buf[_JBLEN];
52 #endif
53 
54 void longjmp(jmp_buf env, int val);
55 int setjmp(jmp_buf env);
56 
57 #endif /*__SETJMP_H*/
58