xref: /freebsd/libexec/rtld-elf/debug.h (revision 2e3f49888ec8851bafb22011533217487764fdb0)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright 1996-1998 John D. Polstra.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 /*
29  * Support for printing debugging messages.
30  */
31 
32 #ifndef DEBUG_H
33 #define DEBUG_H 1
34 
35 #include <sys/cdefs.h>
36 
37 #include <string.h>
38 #include "rtld_paths.h"
39 #include "rtld_printf.h"
40 
41 void debug_printf(const char *, ...) __printflike(1, 2);
42 extern int debug;
43 
44 #ifndef NO_LD_DEBUG
45 #define dbg(...)	debug_printf(__VA_ARGS__)
46 #else
47 #define dbg(...)	((void) 0)
48 #endif
49 
50 #define assert(cond)	((cond) ? (void) 0 :			\
51     (msg(_BASENAME_RTLD ": assert failed: " __FILE__ ":"	\
52       __XSTRING(__LINE__) "\n"), abort()))
53 #define msg(s)		rtld_putstr(s)
54 #define trace()		msg(_BASENAME_RTLD ": " __XSTRING(__LINE__) "\n")
55 
56 
57 #endif /* DEBUG_H */
58