lib/ubsan.h

   1 #ifndef _LIB_UBSAN_H
   2 #define _LIB_UBSAN_H
   3
   4 enum {
   5         type_kind_int = 0,
   6         type_kind_float = 1,
   7         type_unknown = 0xffff
   8 };
   9
  10 struct type_descriptor {
  11         u16 type_kind;
  12         u16 type_info;
  13         char type_name[1];
  14 };
  15
  16 struct source_location {
  17         const char *file_name;
  18         union {
  19                 unsigned long reported;
  20                 struct {
  21                         u32 line;
  22                         u32 column;
  23                 };
  24         };
  25 };
  26
  27 struct overflow_data {
  28         struct source_location location;
  29         struct type_descriptor *type;
  30 };
  31
  32 struct type_mismatch_data {
  33         struct source_location location;
  34         struct type_descriptor *type;
  35         unsigned long alignment;
  36         unsigned char type_check_kind;
  37 };
  38
  39 struct nonnull_arg_data {
  40         struct source_location location;
  41         struct source_location attr_location;
  42         int arg_index;
  43 };
  44
  45 struct nonnull_return_data {
  46         struct source_location location;
  47         struct source_location attr_location;
  48 };
  49
  50 struct vla_bound_data {
  51         struct source_location location;
  52         struct type_descriptor *type;
  53 };
  54
  55 struct out_of_bounds_data {
  56         struct source_location location;
  57         struct type_descriptor *array_type;
  58         struct type_descriptor *index_type;
  59 };
  60
  61 struct shift_out_of_bounds_data {
  62         struct source_location location;
  63         struct type_descriptor *lhs_type;
  64         struct type_descriptor *rhs_type;
  65 };
  66
  67 struct unreachable_data {
  68         struct source_location location;
  69 };
  70
  71 struct invalid_value_data {
  72         struct source_location location;
  73         struct type_descriptor *type;
  74 };
  75
  76 #if defined(CONFIG_ARCH_SUPPORTS_INT128) && defined(__SIZEOF_INT128__)
  77 typedef __int128 s_max;
  78 typedef unsigned __int128 u_max;
  79 #else
  80 typedef s64 s_max;
  81 typedef u64 u_max;
  82 #endif
  83
  84 #endif