50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
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/*
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* Internal libbpf helpers.
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*
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* Copyright (c) 2019 Facebook
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*/
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#ifndef __LIBBPF_LIBBPF_INTERNAL_H
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#define __LIBBPF_LIBBPF_INTERNAL_H
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#include "libbpf.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) (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_MEMBER_ENC(name, type, bits_offset) (name), (type), (bits_offset)
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#define BTF_PARAM_ENC(name, type) (name), (type)
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#define BTF_VAR_SECINFO_ENC(type, offset, size) (type), (offset), (size)
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#ifndef min
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# define min(x, y) ((x) < (y) ? (x) : (y))
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#endif
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#ifndef max
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# define max(x, y) ((x) < (y) ? (y) : (x))
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#endif
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extern void libbpf_print(enum libbpf_print_level level,
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const char *format, ...)
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__attribute__((format(printf, 2, 3)));
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#define __pr(level, fmt, ...) \
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do { \
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libbpf_print(level, "libbpf: " fmt, ##__VA_ARGS__); \
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} while (0)
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#define pr_warning(fmt, ...) __pr(LIBBPF_WARN, fmt, ##__VA_ARGS__)
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#define pr_info(fmt, ...) __pr(LIBBPF_INFO, fmt, ##__VA_ARGS__)
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#define pr_debug(fmt, ...) __pr(LIBBPF_DEBUG, fmt, ##__VA_ARGS__)
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int libbpf__load_raw_btf(const char *raw_types, size_t types_len,
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const char *str_sec, size_t str_len);
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#endif /* __LIBBPF_LIBBPF_INTERNAL_H */
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