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ubsan.h

ubsan.h 2.1 KB
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  1. /* UndefinedBehaviorSanitizer, undefined behavior detector.
    2. 

  2.    Copyright (C) 2013-2015 Free Software Foundation, Inc.
    3. 

  3.    Contributed by Marek Polacek <polacek@redhat.com>
    4. 

  4. 

  5. This file is part of GCC.
    6. 

  6. 

  7. GCC is free software; you can redistribute it and/or modify it under
    8. 

  8. the terms of the GNU General Public License as published by the Free
    9. 

  9. Software Foundation; either version 3, or (at your option) any later
    10. 

  10. version.
    11. 

  11. 

  12. GCC is distributed in the hope that it will be useful, but WITHOUT ANY
    13. 

  13. WARRANTY; without even the implied warranty of MERCHANTABILITY or
    14. 

  14. FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    15. 

  15. for more details.
    16. 

  16. 

  17. You should have received a copy of the GNU General Public License
    18. 

  18. along with GCC; see the file COPYING3.  If not see
    19. 

  19. <http://www.gnu.org/licenses/>.  */
    20. 

  20. 

  21. #ifndef GCC_UBSAN_H
    22. 

  22. #define GCC_UBSAN_H
    23. 

  23. 

  24. /* The various kinds of NULL pointer checks.  */
    25. 

  25. enum ubsan_null_ckind {
    26. 

  26.   UBSAN_LOAD_OF,
    27. 

  27.   UBSAN_STORE_OF,
    28. 

  28.   UBSAN_REF_BINDING,
    29. 

  29.   UBSAN_MEMBER_ACCESS,
    30. 

  30.   UBSAN_MEMBER_CALL,
    31. 

  31.   UBSAN_CTOR_CALL,
    32. 

  32.   UBSAN_DOWNCAST_POINTER,
    33. 

  33.   UBSAN_DOWNCAST_REFERENCE,
    34. 

  34.   UBSAN_UPCAST,
    35. 

  35.   UBSAN_CAST_TO_VBASE
    36. 

  36. };
    37. 

  37. 

  38. /* This controls how ubsan prints types.  Used in ubsan_type_descriptor.  */
    39. 

  39. enum ubsan_print_style {
    40. 

  40.   UBSAN_PRINT_NORMAL,
    41. 

  41.   UBSAN_PRINT_POINTER,
    42. 

  42.   UBSAN_PRINT_ARRAY
    43. 

  43. };
    44. 

  44. 

  45. extern bool do_ubsan_in_current_function (void);
    46. 

  46. extern bool ubsan_expand_bounds_ifn (gimple_stmt_iterator *);
    47. 

  47. extern bool ubsan_expand_null_ifn (gimple_stmt_iterator *);
    48. 

  48. extern bool ubsan_expand_objsize_ifn (gimple_stmt_iterator *);
    49. 

  49. extern bool ubsan_expand_vptr_ifn (gimple_stmt_iterator *);
    50. 

  50. extern bool ubsan_instrument_unreachable (gimple_stmt_iterator *);
    51. 

  51. extern tree ubsan_create_data (const char *, int, const location_t *, ...);
    52. 

  52. extern tree ubsan_type_descriptor (tree, enum ubsan_print_style = UBSAN_PRINT_NORMAL);
    53. 

  53. extern tree ubsan_encode_value (tree, bool = false);
    54. 

  54. extern bool is_ubsan_builtin_p (tree);
    55. 

  55. extern tree ubsan_build_overflow_builtin (tree_code, location_t, tree, tree, tree);
    56. 

  56. extern tree ubsan_instrument_float_cast (location_t, tree, tree, tree);
    57. 

  57. extern tree ubsan_get_source_location_type (void);
    58. 

  58. 

  59. #endif  /* GCC_UBSAN_H  */
    60.