1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* Copyright (c) 2019 Facebook */ |
3 | |
4 | #ifndef _TEST_BTF_H |
5 | #define _TEST_BTF_H |
6 | |
7 | #define BTF_END_RAW 0xdeadbeef |
8 | |
9 | #define BTF_INFO_ENC(kind, kind_flag, vlen) \ |
10 | ((!!(kind_flag) << 31) | ((kind) << 24) | ((vlen) & BTF_MAX_VLEN)) |
11 | |
12 | #define BTF_TYPE_ENC(name, info, size_or_type) \ |
13 | (name), (info), (size_or_type) |
14 | |
15 | #define BTF_INT_ENC(encoding, bits_offset, nr_bits) \ |
16 | ((encoding) << 24 | (bits_offset) << 16 | (nr_bits)) |
17 | #define BTF_TYPE_INT_ENC(name, encoding, bits_offset, bits, sz) \ |
18 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), sz), \ |
19 | BTF_INT_ENC(encoding, bits_offset, bits) |
20 | |
21 | #define BTF_FWD_ENC(name, kind_flag) \ |
22 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FWD, kind_flag, 0), 0) |
23 | |
24 | #define BTF_ARRAY_ENC(type, index_type, nr_elems) \ |
25 | (type), (index_type), (nr_elems) |
26 | #define BTF_TYPE_ARRAY_ENC(type, index_type, nr_elems) \ |
27 | BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), \ |
28 | BTF_ARRAY_ENC(type, index_type, nr_elems) |
29 | |
30 | #define BTF_STRUCT_ENC(name, nr_elems, sz) \ |
31 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, nr_elems), sz) |
32 | |
33 | #define BTF_UNION_ENC(name, nr_elems, sz) \ |
34 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_UNION, 0, nr_elems), sz) |
35 | |
36 | #define BTF_VAR_ENC(name, type, linkage) \ |
37 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), type), (linkage) |
38 | #define BTF_VAR_SECINFO_ENC(type, offset, size) \ |
39 | (type), (offset), (size) |
40 | |
41 | #define BTF_MEMBER_ENC(name, type, bits_offset) \ |
42 | (name), (type), (bits_offset) |
43 | #define BTF_ENUM_ENC(name, val) (name), (val) |
44 | #define BTF_ENUM64_ENC(name, val_lo32, val_hi32) (name), (val_lo32), (val_hi32) |
45 | #define BTF_MEMBER_OFFSET(bitfield_size, bits_offset) \ |
46 | ((bitfield_size) << 24 | (bits_offset)) |
47 | |
48 | #define BTF_TYPEDEF_ENC(name, type) \ |
49 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), type) |
50 | |
51 | #define BTF_PTR_ENC(type) \ |
52 | BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), type) |
53 | |
54 | #define BTF_CONST_ENC(type) \ |
55 | BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), type) |
56 | |
57 | #define BTF_VOLATILE_ENC(type) \ |
58 | BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), type) |
59 | |
60 | #define BTF_RESTRICT_ENC(type) \ |
61 | BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), type) |
62 | |
63 | #define BTF_FUNC_PROTO_ENC(ret_type, nargs) \ |
64 | BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, nargs), ret_type) |
65 | |
66 | #define BTF_FUNC_PROTO_ARG_ENC(name, type) \ |
67 | (name), (type) |
68 | |
69 | #define BTF_FUNC_ENC(name, func_proto) \ |
70 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 0), func_proto) |
71 | |
72 | #define BTF_TYPE_FLOAT_ENC(name, sz) \ |
73 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FLOAT, 0, 0), sz) |
74 | |
75 | #define BTF_DECL_TAG_ENC(value, type, component_idx) \ |
76 | BTF_TYPE_ENC(value, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), type), (component_idx) |
77 | |
78 | #define BTF_TYPE_TAG_ENC(value, type) \ |
79 | BTF_TYPE_ENC(value, BTF_INFO_ENC(BTF_KIND_TYPE_TAG, 0, 0), type) |
80 | |
81 | #endif /* _TEST_BTF_H */ |
82 | |