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