diff -r fae90cb64946 -r b6902ee5bc8d hotspot/src/cpu/zero/vm/globalDefinitions_zero.hpp
--- a/hotspot/src/cpu/zero/vm/globalDefinitions_zero.hpp	Tue Jan 28 11:21:43 2014 -0800
+++ b/hotspot/src/cpu/zero/vm/globalDefinitions_zero.hpp	Tue Jan 28 12:25:34 2014 -0800
@@ -28,4 +28,10 @@
 
 #include <ffi.h>
 
+// Indicates whether the C calling conventions require that
+// 32-bit integer argument values are properly extended to 64 bits.
+// If set, SharedRuntime::c_calling_convention() must adapt
+// signatures accordingly.
+const bool CCallingConventionRequiresIntsAsLongs = false;
+
 #endif // CPU_ZERO_VM_GLOBALDEFINITIONS_ZERO_HPP