Merge branch 'akpm' (patches from Andrew)
[platform/kernel/linux-rpi.git] / lib / ubsan.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LIB_UBSAN_H
3 #define _LIB_UBSAN_H
4
5 enum {
6         type_kind_int = 0,
7         type_kind_float = 1,
8         type_unknown = 0xffff
9 };
10
11 struct type_descriptor {
12         u16 type_kind;
13         u16 type_info;
14         char type_name[1];
15 };
16
17 struct 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
28 struct overflow_data {
29         struct source_location location;
30         struct type_descriptor *type;
31 };
32
33 struct 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
40 struct nonnull_arg_data {
41         struct source_location location;
42         struct source_location attr_location;
43         int arg_index;
44 };
45
46 struct nonnull_return_data {
47         struct source_location location;
48         struct source_location attr_location;
49 };
50
51 struct vla_bound_data {
52         struct source_location location;
53         struct type_descriptor *type;
54 };
55
56 struct out_of_bounds_data {
57         struct source_location location;
58         struct type_descriptor *array_type;
59         struct type_descriptor *index_type;
60 };
61
62 struct shift_out_of_bounds_data {
63         struct source_location location;
64         struct type_descriptor *lhs_type;
65         struct type_descriptor *rhs_type;
66 };
67
68 struct unreachable_data {
69         struct source_location location;
70 };
71
72 struct 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__)
78 typedef __int128 s_max;
79 typedef unsigned __int128 u_max;
80 #else
81 typedef s64 s_max;
82 typedef u64 u_max;
83 #endif
84
85 #endif