Bundle libseccomp 2.3.1

[linux-seccomp.git] / libseccomp / src / gen_bpf.h

diff --git a/libseccomp/src/gen_bpf.h b/libseccomp/src/gen_bpf.h
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+/**
+ * Seccomp BPF Translator
+ *
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _TRANSLATOR_BPF_H
+#define _TRANSLATOR_BPF_H
+
+#include <inttypes.h>
+
+#include "arch.h"
+#include "db.h"
+#include "system.h"
+
+/* NOTE - do not change this structure, it is part of the prctl() API */
+struct bpf_program {
+       uint16_t blk_cnt;
+       bpf_instr_raw *blks;
+};
+#define BPF_PGM_SIZE(x) \
+       ((x)->blk_cnt * sizeof(*((x)->blks)))
+
+struct bpf_program *gen_bpf_generate(const struct db_filter_col *col);
+void gen_bpf_release(struct bpf_program *program);
+
+#endif