| Martin KaFai Lau | 3f4d4c7 | 2019-04-26 16:39:46 -0700 | [diff] [blame] | 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_INFO_ENC(kind, kind_flag, vlen) \ |
| 8 | ((!!(kind_flag) << 31) | ((kind) << 24) | ((vlen) & BTF_MAX_VLEN)) |
| 9 | |
| 10 | #define BTF_TYPE_ENC(name, info, size_or_type) \ |
| 11 | (name), (info), (size_or_type) |
| 12 | |
| 13 | #define BTF_INT_ENC(encoding, bits_offset, nr_bits) \ |
| 14 | ((encoding) << 24 | (bits_offset) << 16 | (nr_bits)) |
| 15 | #define BTF_TYPE_INT_ENC(name, encoding, bits_offset, bits, sz) \ |
| 16 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), sz), \ |
| 17 | BTF_INT_ENC(encoding, bits_offset, bits) |
| 18 | |
| 19 | #define BTF_FWD_ENC(name, kind_flag) \ |
| 20 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FWD, kind_flag, 0), 0) |
| 21 | |
| 22 | #define BTF_ARRAY_ENC(type, index_type, nr_elems) \ |
| 23 | (type), (index_type), (nr_elems) |
| 24 | #define BTF_TYPE_ARRAY_ENC(type, index_type, nr_elems) \ |
| 25 | BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), \ |
| 26 | BTF_ARRAY_ENC(type, index_type, nr_elems) |
| 27 | |
| 28 | #define BTF_STRUCT_ENC(name, nr_elems, sz) \ |
| 29 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, nr_elems), sz) |
| 30 | |
| 31 | #define BTF_UNION_ENC(name, nr_elems, sz) \ |
| 32 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_UNION, 0, nr_elems), sz) |
| 33 | |
| 34 | #define BTF_VAR_ENC(name, type, linkage) \ |
| 35 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), type), (linkage) |
| 36 | #define BTF_VAR_SECINFO_ENC(type, offset, size) \ |
| 37 | (type), (offset), (size) |
| 38 | |
| 39 | #define BTF_MEMBER_ENC(name, type, bits_offset) \ |
| 40 | (name), (type), (bits_offset) |
| 41 | #define BTF_ENUM_ENC(name, val) (name), (val) |
| 42 | #define BTF_MEMBER_OFFSET(bitfield_size, bits_offset) \ |
| 43 | ((bitfield_size) << 24 | (bits_offset)) |
| 44 | |
| 45 | #define BTF_TYPEDEF_ENC(name, type) \ |
| 46 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), type) |
| 47 | |
| 48 | #define BTF_PTR_ENC(type) \ |
| 49 | BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), type) |
| 50 | |
| 51 | #define BTF_CONST_ENC(type) \ |
| 52 | BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), type) |
| 53 | |
| 54 | #define BTF_VOLATILE_ENC(type) \ |
| 55 | BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), type) |
| 56 | |
| 57 | #define BTF_RESTRICT_ENC(type) \ |
| 58 | BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), type) |
| 59 | |
| 60 | #define BTF_FUNC_PROTO_ENC(ret_type, nargs) \ |
| 61 | BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, nargs), ret_type) |
| 62 | |
| 63 | #define BTF_FUNC_PROTO_ARG_ENC(name, type) \ |
| 64 | (name), (type) |
| 65 | |
| 66 | #define BTF_FUNC_ENC(name, func_proto) \ |
| 67 | BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 0), func_proto) |
| 68 | |
| 69 | #endif /* _TEST_BTF_H */ |