Merge from vendor branch BINUTILS:
[dragonfly.git] / libexec / rtld-elf / debug.h
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1/*-
2 * Copyright 1996-1998 John D. Polstra.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD: src/libexec/rtld-elf/debug.h,v 1.4 1999/12/27 04:44:01 jdp Exp $
a1eee96a 26 * $DragonFly: src/libexec/rtld-elf/debug.h,v 1.3 2005/05/11 19:47:06 dillon Exp $
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27 */
28
29/*
30 * Support for printing debugging messages.
31 */
32
33#ifndef DEBUG_H
34#define DEBUG_H 1
35
36#ifndef __GNUC__
37#error "This file must be compiled with GCC"
38#endif
39
40#include <sys/cdefs.h>
41
42#include <string.h>
43#include <unistd.h>
44
45extern void debug_printf(const char *, ...) __printflike(1, 2);
46extern int debug;
47
48#ifdef DEBUG
49#define dbg(format, args...) debug_printf(format , ## args)
50#else
51#define dbg(format, args...) ((void) 0)
52#endif
53
54#define assert(cond) ((cond) ? (void) 0 : \
a1eee96a 55 (msg("ld-elf.so.2: assert failed: " __FILE__ ":" \
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56 __XSTRING(__LINE__) "\n"), abort()))
57#define msg(s) write(1, s, strlen(s))
a1eee96a 58#define trace() msg("ld-elf.so.2: " __XSTRING(__LINE__) "\n")
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59
60#endif /* DEBUG_H */