1 /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
4 * Internal libbpf helpers.
6 * Copyright (c) 2019 Facebook
9 #ifndef __LIBBPF_LIBBPF_INTERNAL_H
10 #define __LIBBPF_LIBBPF_INTERNAL_H
14 #define BTF_INFO_ENC(kind, kind_flag, vlen) \
15 ((!!(kind_flag) << 31) | ((kind) << 24) | ((vlen) & BTF_MAX_VLEN))
16 #define BTF_TYPE_ENC(name, info, size_or_type) (name), (info), (size_or_type)
17 #define BTF_INT_ENC(encoding, bits_offset, nr_bits) \
18 ((encoding) << 24 | (bits_offset) << 16 | (nr_bits))
19 #define BTF_TYPE_INT_ENC(name, encoding, bits_offset, bits, sz) \
20 BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), sz), \
21 BTF_INT_ENC(encoding, bits_offset, bits)
22 #define BTF_MEMBER_ENC(name, type, bits_offset) (name), (type), (bits_offset)
23 #define BTF_PARAM_ENC(name, type) (name), (type)
24 #define BTF_VAR_SECINFO_ENC(type, offset, size) (type), (offset), (size)
27 # define min(x, y) ((x) < (y) ? (x) : (y))
30 # define max(x, y) ((x) < (y) ? (y) : (x))
33 extern void libbpf_print(enum libbpf_print_level level,
34 const char *format, ...)
35 __attribute__((format(printf, 2, 3)));
37 #define __pr(level, fmt, ...) \
39 libbpf_print(level, "libbpf: " fmt, ##__VA_ARGS__); \
42 #define pr_warning(fmt, ...) __pr(LIBBPF_WARN, fmt, ##__VA_ARGS__)
43 #define pr_info(fmt, ...) __pr(LIBBPF_INFO, fmt, ##__VA_ARGS__)
44 #define pr_debug(fmt, ...) __pr(LIBBPF_DEBUG, fmt, ##__VA_ARGS__)
46 int libbpf__load_raw_btf(const char *raw_types, size_t types_len,
47 const char *str_sec, size_t str_len);
49 #endif /* __LIBBPF_LIBBPF_INTERNAL_H */