xref: /freebsd/libexec/rtld-elf/debug.h (revision a7623790fb345e6dc986dfd31df0ace115e6f2e4)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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  * $FreeBSD$
28  */
29 
30 /*
31  * Support for printing debugging messages.
32  */
33 
34 #ifndef DEBUG_H
35 #define DEBUG_H 1
36 
37 #include <sys/cdefs.h>
38 
39 #include <string.h>
40 #include "rtld_printf.h"
41 
42 void debug_printf(const char *, ...) __printflike(1, 2);
43 extern int debug;
44 
45 #ifndef NO_LD_DEBUG
46 #define dbg(...)	debug_printf(__VA_ARGS__)
47 #else
48 #define dbg(...)	((void) 0)
49 #endif
50 
51 #ifndef COMPAT_32BIT
52 #define _MYNAME	"ld-elf.so.1"
53 #else
54 #define _MYNAME	"ld-elf32.so.1"
55 #endif
56 
57 #define assert(cond)	((cond) ? (void) 0 :		\
58     (msg(_MYNAME ": assert failed: " __FILE__ ":"	\
59       __XSTRING(__LINE__) "\n"), abort()))
60 #define msg(s)		rtld_putstr(s)
61 #define trace()		msg(_MYNAME ": " __XSTRING(__LINE__) "\n")
62 
63 
64 #endif /* DEBUG_H */
65