diff -r b6a3f5dbd2c2 -r 6c317cced072 hotspot/src/share/vm/utilities/dtrace.hpp
--- a/hotspot/src/share/vm/utilities/dtrace.hpp	Sun Feb 02 15:31:40 2014 -0500
+++ b/hotspot/src/share/vm/utilities/dtrace.hpp	Mon Feb 03 13:41:26 2014 +0100
@@ -38,23 +38,19 @@
 #define HS_DTRACE_WORKAROUND_TAIL_CALL_BUG() \
   do { volatile size_t dtrace_workaround_tail_call_bug = 1; } while (0)
 
+#elif defined(LINUX)
+#define HS_DTRACE_WORKAROUND_TAIL_CALL_BUG()
+#elif defined(__APPLE__)
+#define HS_DTRACE_WORKAROUND_TAIL_CALL_BUG()
+#include <sys/types.h>
+#else
+#error "dtrace enabled for unknown os"
+#endif /* defined(SOLARIS) */
+
 #define USDT2 1
 #include "dtracefiles/hotspot.h"
 #include "dtracefiles/hotspot_jni.h"
 #include "dtracefiles/hs_private.h"
-#elif defined(LINUX)
-#define HS_DTRACE_WORKAROUND_TAIL_CALL_BUG()
-#define USDT1 1
-#elif defined(__APPLE__)
-#define HS_DTRACE_WORKAROUND_TAIL_CALL_BUG()
-#define USDT2 1
-#include <sys/types.h>
-#include "dtracefiles/hotspot.h"
-#include "dtracefiles/hotspot_jni.h"
-#include "dtracefiles/hs_private.h"
-#else
-#error "dtrace enabled for unknown os"
-#endif /* defined(SOLARIS) */
 
 #else /* defined(DTRACE_ENABLED) */