xref: /openbmc/linux/lib/ubsan.h (revision aa1f10e8)
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
86