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 type_mismatch_data_v1 {
  40         struct source_location location;
  41         struct type_descriptor *type;
  42         unsigned char log_alignment;
  43         unsigned char type_check_kind;
  44 };
  45
  46 struct type_mismatch_data_common {
  47         struct source_location *location;
  48         struct type_descriptor *type;
  49         unsigned long alignment;
  50         unsigned char type_check_kind;
  51 };
  52
  53 struct nonnull_arg_data {
  54         struct source_location location;
  55         struct source_location attr_location;
  56         int arg_index;
  57 };
  58
  59 struct nonnull_return_data {
  60         struct source_location location;
  61         struct source_location attr_location;
  62 };
  63
  64 struct vla_bound_data {
  65         struct source_location location;
  66         struct type_descriptor *type;
  67 };
  68
  69 struct out_of_bounds_data {
  70         struct source_location location;
  71         struct type_descriptor *array_type;
  72         struct type_descriptor *index_type;
  73 };
  74
  75 struct shift_out_of_bounds_data {
  76         struct source_location location;
  77         struct type_descriptor *lhs_type;
  78         struct type_descriptor *rhs_type;
  79 };
  80
  81 struct unreachable_data {
  82         struct source_location location;
  83 };
  84
  85 struct invalid_value_data {
  86         struct source_location location;
  87         struct type_descriptor *type;
  88 };
  89
  90 #if defined(CONFIG_ARCH_SUPPORTS_INT128) && defined(__SIZEOF_INT128__)
  91 typedef __int128 s_max;
  92 typedef unsigned __int128 u_max;
  93 #else
  94 typedef s64 s_max;
  95 typedef u64 u_max;
  96 #endif
  97
  98 #endif