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debug.h revision 1.1 
      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 /*
     34  * XipFFS -- Xip Flash File System
     35  *
     36  * Copyright (C) 2009  Ferenc Havasi <havasi (at) inf.u-szeged.hu>,
     37  *                     Zoltan Sogor <weth (at) inf.u-szeged.hu>,
     38  *                     ...
     39  *                     University of Szeged, Hungary
     40  *
     41  *
     42  * For licensing information, see the file 'LICENCE' in this directory.
     43  *
     44  */
     45 
     46 #ifndef __CHFS_DEBUG_H__
     47 #define __CHFS_DEBUG_H__
     48 
     49 #define CHFS_ERROR_PREFIX	"[CHFS ERROR]"
     50 #define CHFS_WARNING_PREFIX	"[CHFS WARNING]"
     51 #define CHFS_NOTICE_PREFIX	"[CHFS NOTICE]"
     52 #define CHFS_DBG_PREFIX	"[CHFS DBG]"
     53 #define CHFS_DBG2_PREFIX	"[CHFS DBG2]"
     54 #define CHFS_DBG_EBH_PREFIX	"[CHFS DBG EBH]"
     55 #define CHFS_DBG_GC_PREFIX	"[CHFS_GC DBG]"
     56 
     57 #define unlikely(x) __builtin_expect ((x), 0)
     58 
     59 
     60 
     61 #define debug_msg(pref, fmt, ...)                                              \
     62 	do {                                                                   \
     63 		printf(pref                                                    \
     64 			" %s: " fmt, __FUNCTION__ , ##__VA_ARGS__);            \
     65 	} while(0)
     66 
     67 #define chfs_assert(expr) do {                                               \
     68 	if (unlikely(!(expr))) {                                               \
     69 		printf("CHFS assert failed in %s at %u\n", \
     70 			__func__, __LINE__);                     \
     71 		/*dump_stack();*/                                                  \
     72 	}                                                                      \
     73 } while (0)
     74 
     75 #ifdef DBG_MSG
     76 	#define chfs_err(fmt, ...) debug_msg(CHFS_ERROR_PREFIX, fmt, ##__VA_ARGS__)
     77 	#define chfs_warn(fmt, ...) debug_msg(CHFS_WARNING_PREFIX, fmt, ##__VA_ARGS__)
     78 	#define chfs_noti(fmt, ...) debug_msg(CHFS_NOTICE_PREFIX, fmt, ##__VA_ARGS__)
     79 	#define dbg(fmt, ...) debug_msg(CHFS_DBG_PREFIX, fmt, ##__VA_ARGS__)
     80 	#define dbg2(fmt, ...) debug_msg(CHFS_DBG2_PREFIX(fmt, ##__VA_ARGS__)
     81 	#define dbg_ebh(fmt, ...) debug_msg(CHFS_DBG_EBH_PREFIX, fmt, ##__VA_ARGS__)
     82 #else
     83 	#define chfs_err(fmt, ...) debug_msg(CHFS_ERROR_PREFIX, fmt, ##__VA_ARGS__)
     84 	#define chfs_warn(fmt, ...) debug_msg(CHFS_WARNING_PREFIX, fmt, ##__VA_ARGS__)
     85 	#define chfs_noti(fmt, ...) debug_msg(CHFS_NOTICE_PREFIX, fmt, ##__VA_ARGS__)
     86 	#define dbg(fmt, ...)
     87 	#define dbg2(fmt, ...)
     88 	#define dbg_ebh(fmt, ...)
     89 #endif
     90 
     91 #ifdef DBG_MSG_GC
     92 	#define dbg_gc(fmt, ...) debug_msg(CHFS_DBG_GC_PREFIX, fmt, ##__VA_ARGS__)
     93 #else
     94 	#define dbg_gc(fmt, ...)
     95 #endif
     96 
     97 #endif /* __CHFS_DEBUG_H__ */
     98