zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mm/extable.c b/ap/os/linux/linux-3.4.x/arch/arm/mm/extable.c
new file mode 100644
index 0000000..9d28562
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mm/extable.c
@@ -0,0 +1,16 @@
+/*
+ *  linux/arch/arm/mm/extable.c
+ */
+#include <linux/module.h>
+#include <linux/uaccess.h>
+
+int fixup_exception(struct pt_regs *regs)
+{
+	const struct exception_table_entry *fixup;
+
+	fixup = search_exception_tables(instruction_pointer(regs));
+	if (fixup)
+		regs->ARM_pc = fixup->fixup;
+
+	return fixup != NULL;
+}