debug.h 2.2 KB

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  1. /*
  2. * Copyright (c) 2000-2005 Silicon Graphics, Inc.
  3. * All Rights Reserved.
  4. *
  5. * This program is free software; you can redistribute it and/or
  6. * modify it under the terms of the GNU General Public License as
  7. * published by the Free Software Foundation.
  8. *
  9. * This program is distributed in the hope that it would be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program; if not, write the Free Software Foundation,
  16. * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  17. */
  18. #ifndef __XFS_SUPPORT_DEBUG_H__
  19. #define __XFS_SUPPORT_DEBUG_H__
  20. #include <stdarg.h>
  21. #define CE_DEBUG 7 /* debug */
  22. #define CE_CONT 6 /* continuation */
  23. #define CE_NOTE 5 /* notice */
  24. #define CE_WARN 4 /* warning */
  25. #define CE_ALERT 1 /* alert */
  26. #define CE_PANIC 0 /* panic */
  27. extern void icmn_err(int, char *, va_list)
  28. __attribute__ ((format (printf, 2, 0)));
  29. extern void cmn_err(int, char *, ...)
  30. __attribute__ ((format (printf, 2, 3)));
  31. extern void assfail(char *expr, char *f, int l);
  32. #define ASSERT_ALWAYS(expr) \
  33. (unlikely((expr) != 0) ? (void)0 : assfail(#expr, __FILE__, __LINE__))
  34. #ifndef DEBUG
  35. # define ASSERT(expr) ((void)0)
  36. #ifndef STATIC
  37. # define STATIC static noinline
  38. #endif
  39. #ifndef STATIC_INLINE
  40. # define STATIC_INLINE static inline
  41. #endif
  42. #else /* DEBUG */
  43. # define ASSERT(expr) ASSERT_ALWAYS(expr)
  44. extern unsigned long random(void);
  45. #ifndef STATIC
  46. # define STATIC noinline
  47. #endif
  48. /*
  49. * We stop inlining of inline functions in debug mode.
  50. * Unfortunately, this means static inline in header files
  51. * get multiple definitions, so they need to remain static.
  52. * This then gives tonnes of warnings about unused but defined
  53. * functions, so we need to add the unused attribute to prevent
  54. * these spurious warnings.
  55. */
  56. #ifndef STATIC_INLINE
  57. # define STATIC_INLINE static __attribute__ ((unused)) noinline
  58. #endif
  59. #endif /* DEBUG */
  60. #endif /* __XFS_SUPPORT_DEBUG_H__ */