xref: /freebsd/libexec/rtld-elf/debug.h (revision b3e7694832e81d7a904a10f525f8797b753bf0d3)
13124c3e0SJohn Polstra /*-
24d846d26SWarner Losh  * SPDX-License-Identifier: BSD-2-Clause
3e6209940SPedro F. Giffuni  *
43124c3e0SJohn Polstra  * Copyright 1996-1998 John D. Polstra.
53124c3e0SJohn Polstra  * All rights reserved.
63124c3e0SJohn Polstra  *
73124c3e0SJohn Polstra  * Redistribution and use in source and binary forms, with or without
83124c3e0SJohn Polstra  * modification, are permitted provided that the following conditions
93124c3e0SJohn Polstra  * are met:
103124c3e0SJohn Polstra  * 1. Redistributions of source code must retain the above copyright
113124c3e0SJohn Polstra  *    notice, this list of conditions and the following disclaimer.
123124c3e0SJohn Polstra  * 2. Redistributions in binary form must reproduce the above copyright
133124c3e0SJohn Polstra  *    notice, this list of conditions and the following disclaimer in the
143124c3e0SJohn Polstra  *    documentation and/or other materials provided with the distribution.
153124c3e0SJohn Polstra  *
163124c3e0SJohn Polstra  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
173124c3e0SJohn Polstra  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
183124c3e0SJohn Polstra  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
193124c3e0SJohn Polstra  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
203124c3e0SJohn Polstra  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
213124c3e0SJohn Polstra  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
223124c3e0SJohn Polstra  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
233124c3e0SJohn Polstra  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
243124c3e0SJohn Polstra  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
253124c3e0SJohn Polstra  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
263124c3e0SJohn Polstra  */
273124c3e0SJohn Polstra 
283124c3e0SJohn Polstra /*
293124c3e0SJohn Polstra  * Support for printing debugging messages.
303124c3e0SJohn Polstra  */
313124c3e0SJohn Polstra 
323124c3e0SJohn Polstra #ifndef DEBUG_H
333124c3e0SJohn Polstra #define DEBUG_H 1
343124c3e0SJohn Polstra 
350edd3ca7SJohn Polstra #include <sys/cdefs.h>
360edd3ca7SJohn Polstra 
37d3980376SJohn Polstra #include <string.h>
38*5181fe24SJessica Clarke #include "rtld_paths.h"
39e69dc862SAlex Richardson #include "rtld_printf.h"
40d3980376SJohn Polstra 
41e3e21edbSKonstantin Belousov void debug_printf(const char *, ...) __printflike(1, 2);
423124c3e0SJohn Polstra extern int debug;
433124c3e0SJohn Polstra 
44e3e21edbSKonstantin Belousov #ifndef NO_LD_DEBUG
451dc39023SDag-Erling Smørgrav #define dbg(...)	debug_printf(__VA_ARGS__)
463124c3e0SJohn Polstra #else
471dc39023SDag-Erling Smørgrav #define dbg(...)	((void) 0)
483124c3e0SJohn Polstra #endif
493124c3e0SJohn Polstra 
50d3980376SJohn Polstra #define assert(cond)	((cond) ? (void) 0 :			\
51*5181fe24SJessica Clarke     (msg(_BASENAME_RTLD ": assert failed: " __FILE__ ":"	\
52d3980376SJohn Polstra       __XSTRING(__LINE__) "\n"), abort()))
53e69dc862SAlex Richardson #define msg(s)		rtld_putstr(s)
54*5181fe24SJessica Clarke #define trace()		msg(_BASENAME_RTLD ": " __XSTRING(__LINE__) "\n")
55c905e45dSPeter Wemm 
56d3980376SJohn Polstra 
573124c3e0SJohn Polstra #endif /* DEBUG_H */
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