xref: /netbsd-src/lib/libexecinfo/symbol.h (revision 44889fb92296b3afa9dd153a7c423f4a863cad92)
1 /*	$NetBSD: symbol.h,v 1.1 2022/06/25 06:51:37 skrll Exp $	*/
2 
3 /*-
4  * Copyright (c) 2022 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Nick Hudson.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _SYMBOL_H_
33 #define _SYMBOL_H_
34 
35 #include <sys/param.h>
36 #include <stdint.h>
37 
38 __BEGIN_DECLS
39 
40 #if defined(__HAVE_FUNCTION_DESCRIPTORS)
41 uintptr_t symbol_canonicalize_md(const void *);
42 #define SYMBOL_CANONICALIZE(x)	symbol_canonicalize_md(x)
43 #else
44 #define SYMBOL_CANONICALIZE(x)	((uintptr_t)(x))
45 #endif
46 
47 __END_DECLS
48 
49 #endif /* _SYMBOL_H_ */
50