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sandbox/linux/system_headers/linux_filter.h

Index: sandbox/linux/system_headers/linux_filter.h
diff --git a/sandbox/linux/system_headers/linux_filter.h b/sandbox/linux/system_headers/linux_filter.h
new file mode 100644
index 0000000000000000000000000000000000000000..b23b6eb0c1e284a12ace8e0adf71b5cfae912e60
--- /dev/null
+++ b/sandbox/linux/system_headers/linux_filter.h
@@ -0,0 +1,140 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef SANDBOX_LINUX_SYSTEM_HEADERS_LINUX_FILTER_H_
+#define SANDBOX_LINUX_SYSTEM_HEADERS_LINUX_FILTER_H_
+
+#include <stdint.h>
+
+// The following structs and macros are taken from linux/filter.h,
+// as some toolchain does not expose them.
+struct sock_filter {
+  uint16_t code;
+  uint8_t jt;
+  uint8_t jf;
+  uint32_t k;
+};
+
+struct sock_fprog {
+  uint16_t len;
+  struct sock_filter *filter;
+};
+
+#ifndef BPF_CLASS
+#define BPF_CLASS(code) ((code) & 0x07)
+#endif
+
+#ifndef BPF_LD
+#define BPF_LD 0x00
+#endif
+
+#ifndef BPF_ALU
+#define BPF_ALU 0x04
+#endif
+
+#ifndef BPF_JMP
+#define BPF_JMP 0x05
+#endif
+
+#ifndef BPF_RET
+#define BPF_RET 0x06
+#endif
+
+#ifndef BPF_SIZE
+#define BPF_SIZE(code) ((code) & 0x18)
+#endif
+
+#ifndef BPF_W
+#define BPF_W 0x00
+#endif
+
+#ifndef BPF_MODE
+#define BPF_MODE(code) ((code) & 0xe0)
+#endif
+
+#ifndef BPF_ABS
+#define BPF_ABS 0x20
+#endif
+
+#ifndef BPF_OP
+#define BPF_OP(code) ((code) & 0xf0)
+#endif
+
+#ifndef BPF_ADD
+#define BPF_ADD 0x00
+#endif
+
+#ifndef BPF_SUB
+#define BPF_SUB 0x10
+#endif
+
+#ifndef BPF_MUL
+#define BPF_MUL 0x20
+#endif
+
+#ifndef BPF_DIV
+#define BPF_DIV 0x30
+#endif
+
+#ifndef BPF_OR
+#define BPF_OR 0x40
+#endif
+
+#ifndef BPF_AND
+#define BPF_AND 0x50
+#endif
+
+#ifndef BPF_LSH
+#define BPF_LSH 0x60
+#endif
+
+#ifndef BPF_RSH
+#define BPF_RSH 0x70
+#endif
+
+#ifndef BPF_NEG
+#define BPF_NEG 0x80
+#endif
+
+#ifndef BPF_MOD
+#define BPF_MOD 0x90
+#endif
+
+#ifndef BPF_XOR
+#define BPF_XOR 0xA0
+#endif
+
+#ifndef BPF_JA
+#define BPF_JA 0x00
+#endif
+
+#ifndef BPF_JEQ
+#define BPF_JEQ 0x10
+#endif
+
+#ifndef BPF_JGT
+#define BPF_JGT 0x20
+#endif
+
+#ifndef BPF_JGE
+#define BPF_JGE 0x30
+#endif
+
+#ifndef BPF_JSET
+#define BPF_JSET 0x40
+#endif
+
+#ifndef BPF_SRC
+#define BPF_SRC(code) ((code) & 0x08)
+#endif
+
+#ifndef BPF_K
+#define BPF_K 0x00
+#endif
+
+#ifndef BPF_MAXINSNS
+#define BPF_MAXINSNS 4096
+#endif
+
+#endif  // SANDBOX_LINUX_SYSTEM_HEADERS_LINUX_FILTER_H_