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@@ -0,0 +1,57 @@
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+/*
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+ * Just-In-Time compiler for BPF filters on 32bit ARM
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+ *
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+ * Copyright (c) 2011 Mircea Gherzan <mgherzan@gmail.com>
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License as published by the
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+ * Free Software Foundation; version 2 of the License.
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+ */
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+
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+#include <linux/bitops.h>
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+#include <linux/compiler.h>
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+#include <linux/errno.h>
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+#include <linux/filter.h>
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+#include <linux/moduleloader.h>
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+#include <linux/netdevice.h>
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+#include <linux/string.h>
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+#include <linux/slab.h>
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+#include <linux/if_vlan.h>
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+#include <asm/cacheflush.h>
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+#include <asm/hwcap.h>
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+
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+#include "bpf_jit_32.h"
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+
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+/*
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+ * ABI:
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+ *
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+ * r0 scratch register
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+ * r4 BPF register A
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+ * r5 BPF register X
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+ * r6 pointer to the skb
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+ * r7 skb->data
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+ * r8 skb_headlen(skb)
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+ */
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+
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+#define r_scratch ARM_R0
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+/* r1-r3 are (also) used for the unaligned loads on the non-ARMv7 slowpath */
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+#define r_off ARM_R1
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+#define r_A ARM_R4
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+#define r_X ARM_R5
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+#define r_skb ARM_R6
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+#define r_skb_data ARM_R7
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+#define r_skb_hl ARM_R8
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+
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+#define SCRATCH_SP_OFFSET 0
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+#define SCRATCH_OFF(k) (SCRATCH_SP_OFFSET + 4 * (k))
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+
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+#define SEEN_MEM ((1 << BPF_MEMWORDS) - 1)
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+#define SEEN_MEM_WORD(k) (1 << (k))
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+#define SEEN_X (1 << BPF_MEMWORDS)
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+#define SEEN_CALL (1 << (BPF_MEMWORDS + 1))
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+#define SEEN_SKB (1 << (BPF_MEMWORDS + 2))
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+#define SEEN_DATA (1 << (BPF_MEMWORDS + 3))
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+
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+#define FLAG_NEED_X_RESET (1 << 0)
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+
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+struct jit_ctx {
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