xref: /openbmc/linux/lib/ubsan.h (revision 293d5b43)
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
85