diff -r 73c53a02de5d contrib/mapfile-vers-product
--- cacao/cacao/contrib/mapfile-vers-product	Mon Jul 13 01:38:19 2015 +0100
+++ cacao/cacao/contrib/mapfile-vers-product	Mon Jul 13 10:44:59 2015 +0100
@@ -161,6 +161,7 @@
                 JVM_GetStackTraceElement;
                 JVM_GetSystemPackage;
                 JVM_GetSystemPackages;
+		JVM_GetTemporaryDirectory;
                 JVM_GetThreadStateNames;
                 JVM_GetThreadStateValues;
                 JVM_GetVersionInfo;
diff -r 73c53a02de5d src/native/vm/openjdk/jvm.cpp
--- cacao.orig/cacao/src/native/vm/openjdk/jvm.cpp	Mon Jul 13 01:38:19 2015 +0100
+++ cacao/cacao/src/native/vm/openjdk/jvm.cpp	Mon Jul 13 10:21:20 2015 +0100
@@ -3821,6 +3821,30 @@
 	return -1;
 }
 
+/*
+ * Return the temporary directory that the VM uses for the attach
+ * and perf data files.
+ *
+ * It is important that this directory is well-known and the
+ * same for all VM instances. It cannot be affected by configuration
+ * variables such as java.io.tmpdir.
+ */
+jstring JVM_GetTemporaryDirectory(JNIEnv *env)
+{
+	TRACEJVMCALLS(("JVM_GetTemporaryDirectory(env=%p)", env));
+
+#if (defined(__LINUX__) || defined (__SOLARIS__) || \
+	 defined(__FREEBSD__) || defined (__DARWIN__))
+	// This must be hard coded because it's the system's temporary
+	// directory not the java application's temp directory, ala java.io.tmpdir.
+	return JavaString::from_utf8("/tmp");
+#else
+# error Not implemented for this OS.
+#endif
+
+	return NULL;
+}
+	
 } // extern "C"