1/*
2 * Copyright (c) 2013 Grzegorz Kostka (kostka.grzegorz@gmail.com)
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 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup lwext4
30 * @{
31 */
32/**
33 * @file ext4_debug.c
34 * @brief Debug printf and assert macros.
35 */
36
37#ifndef EXT4_DEBUG_H_
38#define EXT4_DEBUG_H_
39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
44#include <ext4_config.h>
45#include <ext4_errno.h>
46
47#if !CONFIG_HAVE_OWN_ASSERT
48#include <assert.h>
49#endif
50
51#include <stdint.h>
52#include <inttypes.h>
53
54#ifndef PRIu64
55#define PRIu64 "llu"
56#endif
57
58#ifndef PRId64
59#define PRId64 "lld"
60#endif
61
62
63#define DEBUG_BALLOC (1ul << 0)
64#define DEBUG_BCACHE (1ul << 1)
65#define DEBUG_BITMAP (1ul << 2)
66#define DEBUG_BLOCK_GROUP (1ul << 3)
67#define DEBUG_BLOCKDEV (1ul << 4)
68#define DEBUG_DIR_IDX (1ul << 5)
69#define DEBUG_DIR (1ul << 6)
70#define DEBUG_EXTENT (1ul << 7)
71#define DEBUG_FS (1ul << 8)
72#define DEBUG_HASH (1ul << 9)
73#define DEBUG_IALLOC (1ul << 10)
74#define DEBUG_INODE (1ul << 11)
75#define DEBUG_SUPER (1ul << 12)
76#define DEBUG_XATTR (1ul << 13)
77#define DEBUG_MKFS (1ul << 14)
78#define DEBUG_EXT4 (1ul << 15)
79#define DEBUG_JBD (1ul << 16)
80#define DEBUG_MBR (1ul << 17)
81
82#define DEBUG_NOPREFIX (1ul << 31)
83#define DEBUG_ALL (0xFFFFFFFF)
84
85static inline const char *ext4_dmask_id2str(uint32_t m)
86{
87 switch(m) {
88 case DEBUG_BALLOC:
89 return "ext4_balloc: ";
90 case DEBUG_BCACHE:
91 return "ext4_bcache: ";
92 case DEBUG_BITMAP:
93 return "ext4_bitmap: ";
94 case DEBUG_BLOCK_GROUP:
95 return "ext4_block_group: ";
96 case DEBUG_BLOCKDEV:
97 return "ext4_blockdev: ";
98 case DEBUG_DIR_IDX:
99 return "ext4_dir_idx: ";
100 case DEBUG_DIR:
101 return "ext4_dir: ";
102 case DEBUG_EXTENT:
103 return "ext4_extent: ";
104 case DEBUG_FS:
105 return "ext4_fs: ";
106 case DEBUG_HASH:
107 return "ext4_hash: ";
108 case DEBUG_IALLOC:
109 return "ext4_ialloc: ";
110 case DEBUG_INODE:
111 return "ext4_inode: ";
112 case DEBUG_SUPER:
113 return "ext4_super: ";
114 case DEBUG_XATTR:
115 return "ext4_xattr: ";
116 case DEBUG_MKFS:
117 return "ext4_mkfs: ";
118 case DEBUG_JBD:
119 return "ext4_jbd: ";
120 case DEBUG_MBR:
121 return "ext4_mbr: ";
122 case DEBUG_EXT4:
123 return "ext4: ";
124 }
125 return "";
126}
127#define DBG_NONE ""
128#define DBG_INFO "[info] "
129#define DBG_WARN "[warn] "
130#define DBG_ERROR "[error] "
131
132/**@brief Global mask debug set.
133 * @param m new debug mask.*/
134void ext4_dmask_set(uint32_t m);
135
136/**@brief Global mask debug clear.
137 * @param m new debug mask.*/
138void ext4_dmask_clr(uint32_t m);
139
140/**@brief Global debug mask get.
141 * @return debug mask*/
142uint32_t ext4_dmask_get(void);
143
144#if CONFIG_DEBUG_PRINTF
145#include <stdio.h>
146
147/**@brief Debug printf.*/
148#define ext4_dbg(m, ...) \
149 do { \
150 if ((m) & ext4_dmask_get()) { \
151 if (!((m) & DEBUG_NOPREFIX)) { \
152 printf("%s", ext4_dmask_id2str(m)); \
153 printf("l: %d ", __LINE__); \
154 } \
155 printf(__VA_ARGS__); \
156 fflush(stdout); \
157 } \
158 } while (0)
159#else
160#define ext4_dbg(m, ...) do { } while (0)
161#endif
162
163#if CONFIG_DEBUG_ASSERT
164/**@brief Debug assertion.*/
165#if CONFIG_HAVE_OWN_ASSERT
166#include <stdio.h>
167
168#define ext4_assert(_v) \
169 do { \
170 if (!(_v)) { \
171 printf("assertion failed:\nfile: %s\nline: %d\n", \
172 __FILE__, __LINE__); \
173 while (1) \
174 ; \
175 } \
176 } while (0)
177#else
178#define ext4_assert(_v) assert(_v)
179#endif
180#else
181#define ext4_assert(_v) ((void)(_v))
182#endif
183
184#ifdef __cplusplus
185}
186#endif
187
188#endif /* EXT4_DEBUG_H_ */
189
190/**
191 * @}
192 */
193