1/*	$NetBSD: debug.h,v 1.1 2011/11/24 15:51:32 ahoka Exp $	*/
2
3/*-
4 * Copyright (c) 2010 Department of Software Engineering,
5 *		      University of Szeged, Hungary
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by the Department of Software Engineering, University of Szeged, Hungary
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#ifndef __CHFS_DEBUG_H__
34#define __CHFS_DEBUG_H__
35
36#define CHFS_ERROR_PREFIX	"[CHFS ERROR]"
37#define CHFS_WARNING_PREFIX	"[CHFS WARNING]"
38#define CHFS_NOTICE_PREFIX	"[CHFS NOTICE]"
39#define CHFS_DBG_PREFIX	"[CHFS DBG]"
40#define CHFS_DBG2_PREFIX	"[CHFS DBG2]"
41#define CHFS_DBG_EBH_PREFIX	"[CHFS DBG EBH]"
42#define CHFS_DBG_GC_PREFIX	"[CHFS_GC DBG]"
43
44#define unlikely(x) __builtin_expect ((x), 0)
45
46
47
48#define debug_msg(pref, fmt, ...)                                              \
49	do {                                                                   \
50		printf(pref                                                    \
51			" %s: " fmt, __FUNCTION__ , ##__VA_ARGS__);            \
52	} while(0)
53
54#define chfs_assert(expr) do {                                               \
55	if (unlikely(!(expr))) {                                               \
56		printf("CHFS assert failed in %s at %u\n", \
57			__func__, __LINE__);                     \
58		/*dump_stack();*/                                                  \
59	}                                                                      \
60} while (0)
61
62#ifdef DBG_MSG
63	#define chfs_err(fmt, ...) debug_msg(CHFS_ERROR_PREFIX, fmt, ##__VA_ARGS__)
64	#define chfs_warn(fmt, ...) debug_msg(CHFS_WARNING_PREFIX, fmt, ##__VA_ARGS__)
65	#define chfs_noti(fmt, ...) debug_msg(CHFS_NOTICE_PREFIX, fmt, ##__VA_ARGS__)
66	#define dbg(fmt, ...) debug_msg(CHFS_DBG_PREFIX, fmt, ##__VA_ARGS__)
67	#define dbg2(fmt, ...) debug_msg(CHFS_DBG2_PREFIX(fmt, ##__VA_ARGS__)
68	#define dbg_ebh(fmt, ...) debug_msg(CHFS_DBG_EBH_PREFIX, fmt, ##__VA_ARGS__)
69#else
70	#define chfs_err(fmt, ...) debug_msg(CHFS_ERROR_PREFIX, fmt, ##__VA_ARGS__)
71	#define chfs_warn(fmt, ...) debug_msg(CHFS_WARNING_PREFIX, fmt, ##__VA_ARGS__)
72	#define chfs_noti(fmt, ...) debug_msg(CHFS_NOTICE_PREFIX, fmt, ##__VA_ARGS__)
73	#define dbg(fmt, ...)
74	#define dbg2(fmt, ...)
75	#define dbg_ebh(fmt, ...)
76#endif
77
78#ifdef DBG_MSG_GC
79	#define dbg_gc(fmt, ...) debug_msg(CHFS_DBG_GC_PREFIX, fmt, ##__VA_ARGS__)
80#else
81	#define dbg_gc(fmt, ...)
82#endif
83
84#endif /* __CHFS_DEBUG_H__ */
85