LXR linux/lib/ubsan.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _LIB_UBSAN_H
   3#define _LIB_UBSAN_H
   4
   5enum {
   6        type_kind_int = 0,
   7        type_kind_float = 1,
   8        type_unknown = 0xffff
   9};
  10
  11struct type_descriptor {
  12        u16 type_kind;
  13        u16 type_info;
  14        char type_name[1];
  15};
  16
  17struct source_location {
  18        const char *file_name;
  19        union {
  20                unsigned long reported;
  21                struct {
  22                        u32 line;
  23                        u32 column;
  24                };
  25        };
  26};
  27
  28struct overflow_data {
  29        struct source_location location;
  30        struct type_descriptor *type;
  31};
  32
  33struct type_mismatch_data {
  34        struct source_location location;
  35        struct type_descriptor *type;
  36        unsigned long alignment;
  37        unsigned char type_check_kind;
  38};
  39
  40struct nonnull_arg_data {
  41        struct source_location location;
  42        struct source_location attr_location;
  43        int arg_index;
  44};
  45
  46struct nonnull_return_data {
  47        struct source_location location;
  48        struct source_location attr_location;
  49};
  50
  51struct vla_bound_data {
  52        struct source_location location;
  53        struct type_descriptor *type;
  54};
  55
  56struct out_of_bounds_data {
  57        struct source_location location;
  58        struct type_descriptor *array_type;
  59        struct type_descriptor *index_type;
  60};
  61
  62struct shift_out_of_bounds_data {
  63        struct source_location location;
  64        struct type_descriptor *lhs_type;
  65        struct type_descriptor *rhs_type;
  66};
  67
  68struct unreachable_data {
  69        struct source_location location;
  70};
  71
  72struct invalid_value_data {
  73        struct source_location location;
  74        struct type_descriptor *type;
  75};
  76
  77#if defined(CONFIG_ARCH_SUPPORTS_INT128) && defined(__SIZEOF_INT128__)
  78typedef __int128 s_max;
  79typedef unsigned __int128 u_max;
  80#else
  81typedef s64 s_max;
  82typedef u64 u_max;
  83#endif
  84
  85#endif
  86