mirror of https://gitee.com/openkylin/linux.git
70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2019 Facebook */
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#ifndef _TEST_BTF_H
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#define _TEST_BTF_H
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#define BTF_INFO_ENC(kind, kind_flag, vlen) \
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((!!(kind_flag) << 31) | ((kind) << 24) | ((vlen) & BTF_MAX_VLEN))
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#define BTF_TYPE_ENC(name, info, size_or_type) \
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(name), (info), (size_or_type)
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#define BTF_INT_ENC(encoding, bits_offset, nr_bits) \
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((encoding) << 24 | (bits_offset) << 16 | (nr_bits))
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#define BTF_TYPE_INT_ENC(name, encoding, bits_offset, bits, sz) \
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BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), sz), \
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BTF_INT_ENC(encoding, bits_offset, bits)
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#define BTF_FWD_ENC(name, kind_flag) \
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BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FWD, kind_flag, 0), 0)
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#define BTF_ARRAY_ENC(type, index_type, nr_elems) \
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(type), (index_type), (nr_elems)
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#define BTF_TYPE_ARRAY_ENC(type, index_type, nr_elems) \
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), \
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BTF_ARRAY_ENC(type, index_type, nr_elems)
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#define BTF_STRUCT_ENC(name, nr_elems, sz) \
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BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, nr_elems), sz)
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#define BTF_UNION_ENC(name, nr_elems, sz) \
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BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_UNION, 0, nr_elems), sz)
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#define BTF_VAR_ENC(name, type, linkage) \
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BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), type), (linkage)
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#define BTF_VAR_SECINFO_ENC(type, offset, size) \
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(type), (offset), (size)
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#define BTF_MEMBER_ENC(name, type, bits_offset) \
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(name), (type), (bits_offset)
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#define BTF_ENUM_ENC(name, val) (name), (val)
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#define BTF_MEMBER_OFFSET(bitfield_size, bits_offset) \
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((bitfield_size) << 24 | (bits_offset))
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#define BTF_TYPEDEF_ENC(name, type) \
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BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), type)
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#define BTF_PTR_ENC(type) \
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), type)
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#define BTF_CONST_ENC(type) \
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), type)
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#define BTF_VOLATILE_ENC(type) \
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), type)
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#define BTF_RESTRICT_ENC(type) \
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), type)
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#define BTF_FUNC_PROTO_ENC(ret_type, nargs) \
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, nargs), ret_type)
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#define BTF_FUNC_PROTO_ARG_ENC(name, type) \
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(name), (type)
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#define BTF_FUNC_ENC(name, func_proto) \
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BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 0), func_proto)
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#endif /* _TEST_BTF_H */
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