1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* Copyright (c) 2019 Facebook */ 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun #ifndef _TEST_BTF_H 5*4882a593Smuzhiyun #define _TEST_BTF_H 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #define BTF_INFO_ENC(kind, kind_flag, vlen) \ 8*4882a593Smuzhiyun ((!!(kind_flag) << 31) | ((kind) << 24) | ((vlen) & BTF_MAX_VLEN)) 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #define BTF_TYPE_ENC(name, info, size_or_type) \ 11*4882a593Smuzhiyun (name), (info), (size_or_type) 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #define BTF_INT_ENC(encoding, bits_offset, nr_bits) \ 14*4882a593Smuzhiyun ((encoding) << 24 | (bits_offset) << 16 | (nr_bits)) 15*4882a593Smuzhiyun #define BTF_TYPE_INT_ENC(name, encoding, bits_offset, bits, sz) \ 16*4882a593Smuzhiyun BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), sz), \ 17*4882a593Smuzhiyun BTF_INT_ENC(encoding, bits_offset, bits) 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #define BTF_FWD_ENC(name, kind_flag) \ 20*4882a593Smuzhiyun BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FWD, kind_flag, 0), 0) 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun #define BTF_ARRAY_ENC(type, index_type, nr_elems) \ 23*4882a593Smuzhiyun (type), (index_type), (nr_elems) 24*4882a593Smuzhiyun #define BTF_TYPE_ARRAY_ENC(type, index_type, nr_elems) \ 25*4882a593Smuzhiyun BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), \ 26*4882a593Smuzhiyun BTF_ARRAY_ENC(type, index_type, nr_elems) 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun #define BTF_STRUCT_ENC(name, nr_elems, sz) \ 29*4882a593Smuzhiyun BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, nr_elems), sz) 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #define BTF_UNION_ENC(name, nr_elems, sz) \ 32*4882a593Smuzhiyun BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_UNION, 0, nr_elems), sz) 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #define BTF_VAR_ENC(name, type, linkage) \ 35*4882a593Smuzhiyun BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), type), (linkage) 36*4882a593Smuzhiyun #define BTF_VAR_SECINFO_ENC(type, offset, size) \ 37*4882a593Smuzhiyun (type), (offset), (size) 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun #define BTF_MEMBER_ENC(name, type, bits_offset) \ 40*4882a593Smuzhiyun (name), (type), (bits_offset) 41*4882a593Smuzhiyun #define BTF_ENUM_ENC(name, val) (name), (val) 42*4882a593Smuzhiyun #define BTF_MEMBER_OFFSET(bitfield_size, bits_offset) \ 43*4882a593Smuzhiyun ((bitfield_size) << 24 | (bits_offset)) 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun #define BTF_TYPEDEF_ENC(name, type) \ 46*4882a593Smuzhiyun BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), type) 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun #define BTF_PTR_ENC(type) \ 49*4882a593Smuzhiyun BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), type) 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #define BTF_CONST_ENC(type) \ 52*4882a593Smuzhiyun BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), type) 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun #define BTF_VOLATILE_ENC(type) \ 55*4882a593Smuzhiyun BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), type) 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun #define BTF_RESTRICT_ENC(type) \ 58*4882a593Smuzhiyun BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), type) 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun #define BTF_FUNC_PROTO_ENC(ret_type, nargs) \ 61*4882a593Smuzhiyun BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, nargs), ret_type) 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun #define BTF_FUNC_PROTO_ARG_ENC(name, type) \ 64*4882a593Smuzhiyun (name), (type) 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun #define BTF_FUNC_ENC(name, func_proto) \ 67*4882a593Smuzhiyun BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 0), func_proto) 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun #endif /* _TEST_BTF_H */ 70