strace/bpf_filter.h

31 lines
684 B
C

/*
* Classic BPF filter block.
*
* Copyright (c) 2015-2018 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifndef STRACE_BPF_FILTER_H
#define STRACE_BPF_FILTER_H
struct bpf_filter_block {
uint16_t code;
uint8_t jt;
uint8_t jf;
uint32_t k;
};
typedef bool (*print_bpf_filter_fn)(const struct bpf_filter_block *);
extern void
print_bpf_fprog(struct tcb *const tcp, const kernel_ulong_t addr,
const unsigned short len, const print_bpf_filter_fn print_k);
extern void
decode_bpf_fprog(struct tcb *const tcp, const kernel_ulong_t addr,
const print_bpf_filter_fn print_k);
#endif /* !STRACE_BPF_FILTER_H */