1*3f4d4c74SMartin KaFai Lau /* SPDX-License-Identifier: GPL-2.0 */ 2*3f4d4c74SMartin KaFai Lau /* Copyright (c) 2019 Facebook */ 3*3f4d4c74SMartin KaFai Lau 4*3f4d4c74SMartin KaFai Lau #ifndef _TEST_BTF_H 5*3f4d4c74SMartin KaFai Lau #define _TEST_BTF_H 6*3f4d4c74SMartin KaFai Lau 7*3f4d4c74SMartin KaFai Lau #define BTF_INFO_ENC(kind, kind_flag, vlen) \ 8*3f4d4c74SMartin KaFai Lau ((!!(kind_flag) << 31) | ((kind) << 24) | ((vlen) & BTF_MAX_VLEN)) 9*3f4d4c74SMartin KaFai Lau 10*3f4d4c74SMartin KaFai Lau #define BTF_TYPE_ENC(name, info, size_or_type) \ 11*3f4d4c74SMartin KaFai Lau (name), (info), (size_or_type) 12*3f4d4c74SMartin KaFai Lau 13*3f4d4c74SMartin KaFai Lau #define BTF_INT_ENC(encoding, bits_offset, nr_bits) \ 14*3f4d4c74SMartin KaFai Lau ((encoding) << 24 | (bits_offset) << 16 | (nr_bits)) 15*3f4d4c74SMartin KaFai Lau #define BTF_TYPE_INT_ENC(name, encoding, bits_offset, bits, sz) \ 16*3f4d4c74SMartin KaFai Lau BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), sz), \ 17*3f4d4c74SMartin KaFai Lau BTF_INT_ENC(encoding, bits_offset, bits) 18*3f4d4c74SMartin KaFai Lau 19*3f4d4c74SMartin KaFai Lau #define BTF_FWD_ENC(name, kind_flag) \ 20*3f4d4c74SMartin KaFai Lau BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FWD, kind_flag, 0), 0) 21*3f4d4c74SMartin KaFai Lau 22*3f4d4c74SMartin KaFai Lau #define BTF_ARRAY_ENC(type, index_type, nr_elems) \ 23*3f4d4c74SMartin KaFai Lau (type), (index_type), (nr_elems) 24*3f4d4c74SMartin KaFai Lau #define BTF_TYPE_ARRAY_ENC(type, index_type, nr_elems) \ 25*3f4d4c74SMartin KaFai Lau BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), \ 26*3f4d4c74SMartin KaFai Lau BTF_ARRAY_ENC(type, index_type, nr_elems) 27*3f4d4c74SMartin KaFai Lau 28*3f4d4c74SMartin KaFai Lau #define BTF_STRUCT_ENC(name, nr_elems, sz) \ 29*3f4d4c74SMartin KaFai Lau BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, nr_elems), sz) 30*3f4d4c74SMartin KaFai Lau 31*3f4d4c74SMartin KaFai Lau #define BTF_UNION_ENC(name, nr_elems, sz) \ 32*3f4d4c74SMartin KaFai Lau BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_UNION, 0, nr_elems), sz) 33*3f4d4c74SMartin KaFai Lau 34*3f4d4c74SMartin KaFai Lau #define BTF_VAR_ENC(name, type, linkage) \ 35*3f4d4c74SMartin KaFai Lau BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), type), (linkage) 36*3f4d4c74SMartin KaFai Lau #define BTF_VAR_SECINFO_ENC(type, offset, size) \ 37*3f4d4c74SMartin KaFai Lau (type), (offset), (size) 38*3f4d4c74SMartin KaFai Lau 39*3f4d4c74SMartin KaFai Lau #define BTF_MEMBER_ENC(name, type, bits_offset) \ 40*3f4d4c74SMartin KaFai Lau (name), (type), (bits_offset) 41*3f4d4c74SMartin KaFai Lau #define BTF_ENUM_ENC(name, val) (name), (val) 42*3f4d4c74SMartin KaFai Lau #define BTF_MEMBER_OFFSET(bitfield_size, bits_offset) \ 43*3f4d4c74SMartin KaFai Lau ((bitfield_size) << 24 | (bits_offset)) 44*3f4d4c74SMartin KaFai Lau 45*3f4d4c74SMartin KaFai Lau #define BTF_TYPEDEF_ENC(name, type) \ 46*3f4d4c74SMartin KaFai Lau BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), type) 47*3f4d4c74SMartin KaFai Lau 48*3f4d4c74SMartin KaFai Lau #define BTF_PTR_ENC(type) \ 49*3f4d4c74SMartin KaFai Lau BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), type) 50*3f4d4c74SMartin KaFai Lau 51*3f4d4c74SMartin KaFai Lau #define BTF_CONST_ENC(type) \ 52*3f4d4c74SMartin KaFai Lau BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), type) 53*3f4d4c74SMartin KaFai Lau 54*3f4d4c74SMartin KaFai Lau #define BTF_VOLATILE_ENC(type) \ 55*3f4d4c74SMartin KaFai Lau BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), type) 56*3f4d4c74SMartin KaFai Lau 57*3f4d4c74SMartin KaFai Lau #define BTF_RESTRICT_ENC(type) \ 58*3f4d4c74SMartin KaFai Lau BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), type) 59*3f4d4c74SMartin KaFai Lau 60*3f4d4c74SMartin KaFai Lau #define BTF_FUNC_PROTO_ENC(ret_type, nargs) \ 61*3f4d4c74SMartin KaFai Lau BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, nargs), ret_type) 62*3f4d4c74SMartin KaFai Lau 63*3f4d4c74SMartin KaFai Lau #define BTF_FUNC_PROTO_ARG_ENC(name, type) \ 64*3f4d4c74SMartin KaFai Lau (name), (type) 65*3f4d4c74SMartin KaFai Lau 66*3f4d4c74SMartin KaFai Lau #define BTF_FUNC_ENC(name, func_proto) \ 67*3f4d4c74SMartin KaFai Lau BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 0), func_proto) 68*3f4d4c74SMartin KaFai Lau 69*3f4d4c74SMartin KaFai Lau #endif /* _TEST_BTF_H */ 70