1 files changed, 34 insertions, 0 deletions
diff --git a/arch/alpha/mm/extable.c b/arch/alpha/mm/extable.c
new file mode 100644
index 00000000000..c3849baebd5
--- /dev/null
+++ b/arch/alpha/mm/extable.c
@@ -0,0 +1,34 @@
+/*
+ * linux/arch/alpha/mm/extable.c
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <asm/uaccess.h>
+
+void sort_extable(struct exception_table_entry *start,
+		  struct exception_table_entry *finish)
+{
+}
+
+const struct exception_table_entry *
+search_extable(const struct exception_table_entry *first,
+	       const struct exception_table_entry *last,
+	       unsigned long value)
+{
+        while (first <= last) {
+		const struct exception_table_entry *mid;
+		unsigned long mid_value;
+
+		mid = (last - first) / 2 + first;
+		mid_value = (unsigned long)&mid->insn + mid->insn;
+                if (mid_value == value)
+                        return mid;
+                else if (mid_value < value)
+                        first = mid+1;
+                else
+                        last = mid-1;
+        }
+
+        return NULL;
+}