arch: x86 -> x86_64 and build system changes

arch/x86_64/elfboot/test.h

@@ -0,0 +1,21 @@
+/**
+ * \file test.h
+ *  License details are found in the file LICENSE.
+ * \brief
+ *  Header file of test of loading an ELF image.
+ * \author Taku Shimosawa  <shimosawa@is.s.u-tokyo.ac.jp> \par
+ *      Copyright (C) 2011 - 2012  Taku Shimosawa
+ */
+/*
+ * HISTORY
+ */
+
+#ifdef TEST
+#include <stdio.h>
+#include <stdlib.h>
+
+#define dprintf printf
+#else
+#define dprintf(...)
+#endif
+