fs/ubifs/debug.h

   1 /*
   2  * This file is part of UBIFS.
   3  *
   4  * Copyright (C) 2006-2008 Nokia Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 as published by
   8  * the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along with
  16  * this program; if not, write to the Free Software Foundation, Inc., 51
  17  * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  18  *
  19  * Authors: Artem Bityutskiy (Битюцкий Артём)
  20  *          Adrian Hunter
  21  */
  22
  23 #ifndef __UBIFS_DEBUG_H__
  24 #define __UBIFS_DEBUG_H__
  25
  26 /* Checking helper functions */
  27 typedef int (*dbg_leaf_callback)(struct ubifs_info *c,
  28                                  struct ubifs_zbranch *zbr, void *priv);
  29 typedef int (*dbg_znode_callback)(struct ubifs_info *c,
  30                                   struct ubifs_znode *znode, void *priv);
  31
  32 #ifdef CONFIG_UBIFS_FS_DEBUG
  33
  34 #include <linux/random.h>
  35
  36 /**
  37  * ubifs_debug_info - per-FS debugging information.
  38  * @old_zroot: old index root - used by 'dbg_check_old_index()'
  39  * @old_zroot_level: old index root level - used by 'dbg_check_old_index()'
  40  * @old_zroot_sqnum: old index root sqnum - used by 'dbg_check_old_index()'
  41  * @failure_mode: failure mode for recovery testing
  42  * @fail_delay: 0=>don't delay, 1=>delay a time, 2=>delay a number of calls
  43  * @fail_timeout: time in jiffies when delay of failure mode expires
  44  * @fail_cnt: current number of calls to failure mode I/O functions
  45  * @fail_cnt_max: number of calls by which to delay failure mode
  46  * @chk_lpt_sz: used by LPT tree size checker
  47  * @chk_lpt_sz2: used by LPT tree size checker
  48  * @chk_lpt_wastage: used by LPT tree size checker
  49  * @chk_lpt_lebs: used by LPT tree size checker
  50  * @new_nhead_offs: used by LPT tree size checker
  51  * @new_ihead_lnum: used by debugging to check @c->ihead_lnum
  52  * @new_ihead_offs: used by debugging to check @c->ihead_offs
  53  *
  54  * @saved_lst: saved lprops statistics (used by 'dbg_save_space_info()')
  55  * @saved_bi: saved budgeting information
  56  * @saved_free: saved amount of free space
  57  * @saved_idx_gc_cnt: saved value of @c->idx_gc_cnt
  58  *
  59  * @dfs_dir_name: name of debugfs directory containing this file-system's files
  60  * @dfs_dir: direntry object of the file-system debugfs directory
  61  * @dfs_dump_lprops: "dump lprops" debugfs knob
  62  * @dfs_dump_budg: "dump budgeting information" debugfs knob
  63  * @dfs_dump_tnc: "dump TNC" debugfs knob
  64  */
  65 struct ubifs_debug_info {
  66         struct ubifs_zbranch old_zroot;
  67         int old_zroot_level;
  68         unsigned long long old_zroot_sqnum;
  69         int failure_mode;
  70         int fail_delay;
  71         unsigned long fail_timeout;
  72         unsigned int fail_cnt;
  73         unsigned int fail_cnt_max;
  74         long long chk_lpt_sz;
  75         long long chk_lpt_sz2;
  76         long long chk_lpt_wastage;
  77         int chk_lpt_lebs;
  78         int new_nhead_offs;
  79         int new_ihead_lnum;
  80         int new_ihead_offs;
  81
  82         struct ubifs_lp_stats saved_lst;
  83         struct ubifs_budg_info saved_bi;
  84         long long saved_free;
  85         int saved_idx_gc_cnt;
  86
  87         char dfs_dir_name[100];
  88         struct dentry *dfs_dir;
  89         struct dentry *dfs_dump_lprops;
  90         struct dentry *dfs_dump_budg;
  91         struct dentry *dfs_dump_tnc;
  92 };
  93
  94 #define ubifs_assert(expr) do {                                                \
  95         if (unlikely(!(expr))) {                                               \
  96                 printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \
  97                        __func__, __LINE__, current->pid);                      \
  98                 dbg_dump_stack();                                              \
  99         }                                                                      \
 100 } while (0)
 101
 102 #define ubifs_assert_cmt_locked(c) do {                                        \
 103         if (unlikely(down_write_trylock(&(c)->commit_sem))) {                  \
 104                 up_write(&(c)->commit_sem);                                    \
 105                 printk(KERN_CRIT "commit lock is not locked!\n");              \
 106                 ubifs_assert(0);                                               \
 107         }                                                                      \
 108 } while (0)
 109
 110 #define dbg_dump_stack() dump_stack()
 111
 112 #define dbg_err(fmt, ...) do {                                                 \
 113         spin_lock(&dbg_lock);                                                  \
 114         ubifs_err(fmt, ##__VA_ARGS__);                                         \
 115         spin_unlock(&dbg_lock);                                                \
 116 } while (0)
 117
 118 const char *dbg_key_str0(const struct ubifs_info *c,
 119                          const union ubifs_key *key);
 120 const char *dbg_key_str1(const struct ubifs_info *c,
 121                          const union ubifs_key *key);
 122
 123 /*
 124  * DBGKEY macros require @dbg_lock to be held, which it is in the dbg message
 125  * macros.
 126  */
 127 #define DBGKEY(key) dbg_key_str0(c, (key))
 128 #define DBGKEY1(key) dbg_key_str1(c, (key))
 129
 130 #define ubifs_dbg_msg(type, fmt, ...) do {                        \
 131         spin_lock(&dbg_lock);                                     \
 132         pr_debug("UBIFS DBG " type ": " fmt "\n", ##__VA_ARGS__); \
 133         spin_unlock(&dbg_lock);                                   \
 134 } while (0)
 135
 136 /* Just a debugging messages not related to any specific UBIFS subsystem */
 137 #define dbg_msg(fmt, ...)   ubifs_dbg_msg("msg", fmt, ##__VA_ARGS__)
 138 /* General messages */
 139 #define dbg_gen(fmt, ...)   ubifs_dbg_msg("gen", fmt, ##__VA_ARGS__)
 140 /* Additional journal messages */
 141 #define dbg_jnl(fmt, ...)   ubifs_dbg_msg("jnl", fmt, ##__VA_ARGS__)
 142 /* Additional TNC messages */
 143 #define dbg_tnc(fmt, ...)   ubifs_dbg_msg("tnc", fmt, ##__VA_ARGS__)
 144 /* Additional lprops messages */
 145 #define dbg_lp(fmt, ...)    ubifs_dbg_msg("lp", fmt, ##__VA_ARGS__)
 146 /* Additional LEB find messages */
 147 #define dbg_find(fmt, ...)  ubifs_dbg_msg("find", fmt, ##__VA_ARGS__)
 148 /* Additional mount messages */
 149 #define dbg_mnt(fmt, ...)   ubifs_dbg_msg("mnt", fmt, ##__VA_ARGS__)
 150 /* Additional I/O messages */
 151 #define dbg_io(fmt, ...)    ubifs_dbg_msg("io", fmt, ##__VA_ARGS__)
 152 /* Additional commit messages */
 153 #define dbg_cmt(fmt, ...)   ubifs_dbg_msg("cmt", fmt, ##__VA_ARGS__)
 154 /* Additional budgeting messages */
 155 #define dbg_budg(fmt, ...)  ubifs_dbg_msg("budg", fmt, ##__VA_ARGS__)
 156 /* Additional log messages */
 157 #define dbg_log(fmt, ...)   ubifs_dbg_msg("log", fmt, ##__VA_ARGS__)
 158 /* Additional gc messages */
 159 #define dbg_gc(fmt, ...)    ubifs_dbg_msg("gc", fmt, ##__VA_ARGS__)
 160 /* Additional scan messages */
 161 #define dbg_scan(fmt, ...)  ubifs_dbg_msg("scan", fmt, ##__VA_ARGS__)
 162 /* Additional recovery messages */
 163 #define dbg_rcvry(fmt, ...) ubifs_dbg_msg("rcvry", fmt, ##__VA_ARGS__)
 164
 165 /*
 166  * Debugging check flags.
 167  *
 168  * UBIFS_CHK_GEN: general checks
 169  * UBIFS_CHK_TNC: check TNC
 170  * UBIFS_CHK_IDX_SZ: check index size
 171  * UBIFS_CHK_ORPH: check orphans
 172  * UBIFS_CHK_OLD_IDX: check the old index
 173  * UBIFS_CHK_LPROPS: check lprops
 174  * UBIFS_CHK_FS: check the file-system
 175  */
 176 enum {
 177         UBIFS_CHK_GEN     = 0x1,
 178         UBIFS_CHK_TNC     = 0x2,
 179         UBIFS_CHK_IDX_SZ  = 0x4,
 180         UBIFS_CHK_ORPH    = 0x8,
 181         UBIFS_CHK_OLD_IDX = 0x10,
 182         UBIFS_CHK_LPROPS  = 0x20,
 183         UBIFS_CHK_FS      = 0x40,
 184 };
 185
 186 /*
 187  * Special testing flags.
 188  *
 189  * UBIFS_TST_RCVRY: failure mode for recovery testing
 190  */
 191 enum {
 192         UBIFS_TST_RCVRY             = 0x4,
 193 };
 194
 195 extern spinlock_t dbg_lock;
 196
 197 extern unsigned int ubifs_msg_flags;
 198 extern unsigned int ubifs_chk_flags;
 199 extern unsigned int ubifs_tst_flags;
 200
 201 int ubifs_debugging_init(struct ubifs_info *c);
 202 void ubifs_debugging_exit(struct ubifs_info *c);
 203
 204 /* Dump functions */
 205 const char *dbg_ntype(int type);
 206 const char *dbg_cstate(int cmt_state);
 207 const char *dbg_jhead(int jhead);
 208 const char *dbg_get_key_dump(const struct ubifs_info *c,
 209                              const union ubifs_key *key);
 210 void dbg_dump_inode(const struct ubifs_info *c, const struct inode *inode);
 211 void dbg_dump_node(const struct ubifs_info *c, const void *node);
 212 void dbg_dump_lpt_node(const struct ubifs_info *c, void *node, int lnum,
 213                        int offs);
 214 void dbg_dump_budget_req(const struct ubifs_budget_req *req);
 215 void dbg_dump_lstats(const struct ubifs_lp_stats *lst);
 216 void dbg_dump_budg(struct ubifs_info *c, const struct ubifs_budg_info *bi);
 217 void dbg_dump_lprop(const struct ubifs_info *c, const struct ubifs_lprops *lp);
 218 void dbg_dump_lprops(struct ubifs_info *c);
 219 void dbg_dump_lpt_info(struct ubifs_info *c);
 220 void dbg_dump_leb(const struct ubifs_info *c, int lnum);
 221 void dbg_dump_znode(const struct ubifs_info *c,
 222                     const struct ubifs_znode *znode);
 223 void dbg_dump_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat);
 224 void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
 225                     struct ubifs_nnode *parent, int iip);
 226 void dbg_dump_tnc(struct ubifs_info *c);
 227 void dbg_dump_index(struct ubifs_info *c);
 228 void dbg_dump_lpt_lebs(const struct ubifs_info *c);
 229
 230 int dbg_walk_index(struct ubifs_info *c, dbg_leaf_callback leaf_cb,
 231                    dbg_znode_callback znode_cb, void *priv);
 232
 233 /* Checking functions */
 234 void dbg_save_space_info(struct ubifs_info *c);
 235 int dbg_check_space_info(struct ubifs_info *c);
 236 int dbg_check_lprops(struct ubifs_info *c);
 237 int dbg_old_index_check_init(struct ubifs_info *c, struct ubifs_zbranch *zroot);
 238 int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot);
 239 int dbg_check_cats(struct ubifs_info *c);
 240 int dbg_check_ltab(struct ubifs_info *c);
 241 int dbg_chk_lpt_free_spc(struct ubifs_info *c);
 242 int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len);
 243 int dbg_check_synced_i_size(struct inode *inode);
 244 int dbg_check_dir_size(struct ubifs_info *c, const struct inode *dir);
 245 int dbg_check_tnc(struct ubifs_info *c, int extra);
 246 int dbg_check_idx_size(struct ubifs_info *c, long long idx_size);
 247 int dbg_check_filesystem(struct ubifs_info *c);
 248 void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat,
 249                     int add_pos);
 250 int dbg_check_lpt_nodes(struct ubifs_info *c, struct ubifs_cnode *cnode,
 251                         int row, int col);
 252 int dbg_check_inode_size(struct ubifs_info *c, const struct inode *inode,
 253                          loff_t size);
 254 int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head);
 255 int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head);
 256
 257 /* Force the use of in-the-gaps method for testing */
 258 static inline int dbg_force_in_the_gaps_enabled(void)
 259 {
 260         return ubifs_chk_flags & UBIFS_CHK_GEN;
 261 }
 262 int dbg_force_in_the_gaps(void);
 263
 264 /* Failure mode for recovery testing */
 265 #define dbg_failure_mode (ubifs_tst_flags & UBIFS_TST_RCVRY)
 266
 267 #ifndef UBIFS_DBG_PRESERVE_UBI
 268 #define ubi_leb_read   dbg_leb_read
 269 #define ubi_leb_write  dbg_leb_write
 270 #define ubi_leb_change dbg_leb_change
 271 #define ubi_leb_erase  dbg_leb_erase
 272 #define ubi_leb_unmap  dbg_leb_unmap
 273 #define ubi_is_mapped  dbg_is_mapped
 274 #define ubi_leb_map    dbg_leb_map
 275 #endif
 276
 277 int dbg_leb_read(struct ubi_volume_desc *desc, int lnum, char *buf, int offset,
 278                  int len, int check);
 279 int dbg_leb_write(struct ubi_volume_desc *desc, int lnum, const void *buf,
 280                   int offset, int len, int dtype);
 281 int dbg_leb_change(struct ubi_volume_desc *desc, int lnum, const void *buf,
 282                    int len, int dtype);
 283 int dbg_leb_erase(struct ubi_volume_desc *desc, int lnum);
 284 int dbg_leb_unmap(struct ubi_volume_desc *desc, int lnum);
 285 int dbg_is_mapped(struct ubi_volume_desc *desc, int lnum);
 286 int dbg_leb_map(struct ubi_volume_desc *desc, int lnum, int dtype);
 287
 288 static inline int dbg_read(struct ubi_volume_desc *desc, int lnum, char *buf,
 289                            int offset, int len)
 290 {
 291         return dbg_leb_read(desc, lnum, buf, offset, len, 0);
 292 }
 293
 294 static inline int dbg_write(struct ubi_volume_desc *desc, int lnum,
 295                             const void *buf, int offset, int len)
 296 {
 297         return dbg_leb_write(desc, lnum, buf, offset, len, UBI_UNKNOWN);
 298 }
 299
 300 static inline int dbg_change(struct ubi_volume_desc *desc, int lnum,
 301                                     const void *buf, int len)
 302 {
 303         return dbg_leb_change(desc, lnum, buf, len, UBI_UNKNOWN);
 304 }
 305
 306 /* Debugfs-related stuff */
 307 int dbg_debugfs_init(void);
 308 void dbg_debugfs_exit(void);
 309 int dbg_debugfs_init_fs(struct ubifs_info *c);
 310 void dbg_debugfs_exit_fs(struct ubifs_info *c);
 311
 312 #else /* !CONFIG_UBIFS_FS_DEBUG */
 313
 314 /* Use "if (0)" to make compiler check arguments even if debugging is off */
 315 #define ubifs_assert(expr)  do {                                               \
 316         if (0 && (expr))                                                       \
 317                 printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \
 318                        __func__, __LINE__, current->pid);                      \
 319 } while (0)
 320
 321 #define dbg_err(fmt, ...)   do {                   \
 322         if (0)                                     \
 323                 ubifs_err(fmt, ##__VA_ARGS__);     \
 324 } while (0)
 325
 326 #define ubifs_dbg_msg(fmt, ...) do {               \
 327         if (0)                                     \
 328                 pr_debug(fmt "\n", ##__VA_ARGS__); \
 329 } while (0)
 330
 331 #define dbg_dump_stack()
 332 #define ubifs_assert_cmt_locked(c)
 333
 334 #define dbg_msg(fmt, ...)   ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 335 #define dbg_gen(fmt, ...)   ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 336 #define dbg_jnl(fmt, ...)   ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 337 #define dbg_tnc(fmt, ...)   ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 338 #define dbg_lp(fmt, ...)    ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 339 #define dbg_find(fmt, ...)  ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 340 #define dbg_mnt(fmt, ...)   ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 341 #define dbg_io(fmt, ...)    ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 342 #define dbg_cmt(fmt, ...)   ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 343 #define dbg_budg(fmt, ...)  ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 344 #define dbg_log(fmt, ...)   ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 345 #define dbg_gc(fmt, ...)    ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 346 #define dbg_scan(fmt, ...)  ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 347 #define dbg_rcvry(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
 348
 349 #define DBGKEY(key)  ((char *)(key))
 350 #define DBGKEY1(key) ((char *)(key))
 351
 352 static inline int ubifs_debugging_init(struct ubifs_info *c)      { return 0; }
 353 static inline void ubifs_debugging_exit(struct ubifs_info *c)     { return; }
 354 static inline const char *dbg_ntype(int type)                     { return ""; }
 355 static inline const char *dbg_cstate(int cmt_state)               { return ""; }
 356 static inline const char *dbg_jhead(int jhead)                    { return ""; }
 357 static inline const char *
 358 dbg_get_key_dump(const struct ubifs_info *c,
 359                  const union ubifs_key *key)                      { return ""; }
 360 static inline void dbg_dump_inode(const struct ubifs_info *c,
 361                                   const struct inode *inode)      { return; }
 362 static inline void dbg_dump_node(const struct ubifs_info *c,
 363                                  const void *node)                { return; }
 364 static inline void dbg_dump_lpt_node(const struct ubifs_info *c,
 365                                      void *node, int lnum,
 366                                      int offs)                    { return; }
 367 static inline void
 368 dbg_dump_budget_req(const struct ubifs_budget_req *req)           { return; }
 369 static inline void
 370 dbg_dump_lstats(const struct ubifs_lp_stats *lst)                 { return; }
 371 static inline void
 372 dbg_dump_budg(struct ubifs_info *c,
 373               const struct ubifs_budg_info *bi)                   { return; }
 374 static inline void dbg_dump_lprop(const struct ubifs_info *c,
 375                                   const struct ubifs_lprops *lp)  { return; }
 376 static inline void dbg_dump_lprops(struct ubifs_info *c)          { return; }
 377 static inline void dbg_dump_lpt_info(struct ubifs_info *c)        { return; }
 378 static inline void dbg_dump_leb(const struct ubifs_info *c,
 379                                 int lnum)                         { return; }
 380 static inline void
 381 dbg_dump_znode(const struct ubifs_info *c,
 382                const struct ubifs_znode *znode)                   { return; }
 383 static inline void dbg_dump_heap(struct ubifs_info *c,
 384                                  struct ubifs_lpt_heap *heap,
 385                                  int cat)                         { return; }
 386 static inline void dbg_dump_pnode(struct ubifs_info *c,
 387                                   struct ubifs_pnode *pnode,
 388                                   struct ubifs_nnode *parent,
 389                                   int iip)                        { return; }
 390 static inline void dbg_dump_tnc(struct ubifs_info *c)             { return; }
 391 static inline void dbg_dump_index(struct ubifs_info *c)           { return; }
 392 static inline void dbg_dump_lpt_lebs(const struct ubifs_info *c)  { return; }
 393
 394 static inline int dbg_walk_index(struct ubifs_info *c,
 395                                  dbg_leaf_callback leaf_cb,
 396                                  dbg_znode_callback znode_cb,
 397                                  void *priv)                      { return 0; }
 398 static inline void dbg_save_space_info(struct ubifs_info *c)      { return; }
 399 static inline int dbg_check_space_info(struct ubifs_info *c)      { return 0; }
 400 static inline int dbg_check_lprops(struct ubifs_info *c)          { return 0; }
 401 static inline int
 402 dbg_old_index_check_init(struct ubifs_info *c,
 403                          struct ubifs_zbranch *zroot)             { return 0; }
 404 static inline int
 405 dbg_check_old_index(struct ubifs_info *c,
 406                     struct ubifs_zbranch *zroot)                  { return 0; }
 407 static inline int dbg_check_cats(struct ubifs_info *c)            { return 0; }
 408 static inline int dbg_check_ltab(struct ubifs_info *c)            { return 0; }
 409 static inline int dbg_chk_lpt_free_spc(struct ubifs_info *c)      { return 0; }
 410 static inline int dbg_chk_lpt_sz(struct ubifs_info *c,
 411                                  int action, int len)             { return 0; }
 412 static inline int dbg_check_synced_i_size(struct inode *inode)    { return 0; }
 413 static inline int dbg_check_dir_size(struct ubifs_info *c,
 414                                      const struct inode *dir)     { return 0; }
 415 static inline int dbg_check_tnc(struct ubifs_info *c, int extra)  { return 0; }
 416 static inline int dbg_check_idx_size(struct ubifs_info *c,
 417                                      long long idx_size)          { return 0; }
 418 static inline int dbg_check_filesystem(struct ubifs_info *c)      { return 0; }
 419 static inline void dbg_check_heap(struct ubifs_info *c,
 420                                   struct ubifs_lpt_heap *heap,
 421                                   int cat, int add_pos)           { return; }
 422 static inline int dbg_check_lpt_nodes(struct ubifs_info *c,
 423         struct ubifs_cnode *cnode, int row, int col)              { return 0; }
 424 static inline int dbg_check_inode_size(struct ubifs_info *c,
 425                                        const struct inode *inode,
 426                                        loff_t size)               { return 0; }
 427 static inline int
 428 dbg_check_data_nodes_order(struct ubifs_info *c,
 429                            struct list_head *head)                { return 0; }
 430 static inline int
 431 dbg_check_nondata_nodes_order(struct ubifs_info *c,
 432                               struct list_head *head)             { return 0; }
 433
 434 static inline int dbg_force_in_the_gaps(void)                     { return 0; }
 435 #define dbg_force_in_the_gaps_enabled() 0
 436 #define dbg_failure_mode                0
 437
 438 static inline int dbg_debugfs_init(void)                          { return 0; }
 439 static inline void dbg_debugfs_exit(void)                         { return; }
 440 static inline int dbg_debugfs_init_fs(struct ubifs_info *c)       { return 0; }
 441 static inline int dbg_debugfs_exit_fs(struct ubifs_info *c)       { return 0; }
 442
 443 #endif /* !CONFIG_UBIFS_FS_DEBUG */
 444 #endif /* !__UBIFS_DEBUG_H__ */