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 #define BTF_TYPE_FLOAT_ENC(name, sz) \ 70 BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FLOAT, 0, 0), sz) 71 72 #endif /* _TEST_BTF_H */ 73