projects / linux-seccomp.git / blame
| Commit | Line | Data |
|---|---|---|
| 8befd5cc MG |
1 | /** |
| 2 | * Seccomp BPF Translator | |
| 3 | * | |
| 4 | * Copyright (c) 2012 Red Hat <pmoore@redhat.com> | |
| 5 | * Author: Paul Moore <paul@paul-moore.com> | |
| 6 | */ | |
| 7 | ||
| 8 | /* | |
| 9 | * This library is free software; you can redistribute it and/or modify it | |
| 10 | * under the terms of version 2.1 of the GNU Lesser General Public License as | |
| 11 | * published by the Free Software Foundation. | |
| 12 | * | |
| 13 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
| 14 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
| 16 | * for more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU Lesser General Public License | |
| 19 | * along with this library; if not, see <http://www.gnu.org/licenses>. | |
| 20 | */ | |
| 21 | ||
| 22 | #ifndef _TRANSLATOR_BPF_H | |
| 23 | #define _TRANSLATOR_BPF_H | |
| 24 | ||
| 25 | #include <inttypes.h> | |
| 26 | ||
| 27 | #include "arch.h" | |
| 28 | #include "db.h" | |
| 29 | #include "system.h" | |
| 30 | ||
| 31 | /* NOTE - do not change this structure, it is part of the prctl() API */ | |
| 32 | struct bpf_program { | |
| 33 | uint16_t blk_cnt; | |
| 34 | bpf_instr_raw *blks; | |
| 35 | }; | |
| 36 | #define BPF_PGM_SIZE(x) \ | |
| 37 | ((x)->blk_cnt * sizeof(*((x)->blks))) | |
| 38 | ||
| 39 | struct bpf_program *gen_bpf_generate(const struct db_filter_col *col); | |
| 40 | void gen_bpf_release(struct bpf_program *program); | |
| 41 | ||
| 42 | #endif |