--- a/hotspot/src/os/windows/vm/os_windows.cpp	Wed May 27 09:04:14 2015 +0200
+++ b/hotspot/src/os/windows/vm/os_windows.cpp	Thu May 28 16:01:10 2015 +0200
@@ -3768,7 +3768,7 @@
   return NULL;
 }
 
-#define EXIT_TIMEOUT     PRODUCT_ONLY(1000) NOT_PRODUCT(4000) /* 1 sec in product, 4 sec in debug */
+#define EXIT_TIMEOUT 300000 /* 5 minutes */
 
 static BOOL CALLBACK init_crit_sect_call(PINIT_ONCE, PVOID pcrit_sect, PVOID*) {
   InitializeCriticalSection((CRITICAL_SECTION*)pcrit_sect);

--- a/hotspot/src/share/vm/utilities/elfFile.cpp	Wed May 27 09:04:14 2015 +0200
+++ b/hotspot/src/share/vm/utilities/elfFile.cpp	Thu May 28 16:01:10 2015 +0200
@@ -261,7 +261,12 @@
       }
     }
   }
+// AARCH64 defaults to noexecstack. All others default to execstack.
+#ifdef AARCH64
+  return true;
+#else
   return false;
+#endif
 }
 #endif
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/serviceability/sa/TestClassLoaderStats.java	Thu May 28 16:01:10 2015 +0200
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import jdk.test.lib.Platform;
+import jdk.test.lib.ProcessTools;
+import jdk.test.lib.OutputAnalyzer;
+
+/*
+ * @test
+ * @library /testlibrary
+ * @build jdk.test.lib.*
+ * @run main TestClassLoaderStats
+ */
+public class TestClassLoaderStats {
+
+    public static void main(String[] args) throws Exception {
+        if (!Platform.shouldSAAttach()) {
+            System.out.println("SA attach not expected to work - test skipped.");
+            return;
+        }
+
+        ProcessBuilder processBuilder = ProcessTools.createJavaProcessBuilder(
+                "-XX:+UsePerfData",
+                "sun.jvm.hotspot.tools.ClassLoaderStats",
+                Integer.toString(ProcessTools.getProcessId()));
+        OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
+        System.out.println(output.getOutput());
+
+        output.shouldHaveExitValue(0);
+        output.shouldContain("Debugger attached successfully.");
+        // The class loader stats header needs to be presented in the output:
+        output.shouldMatch("class_loader\\W+classes\\W+bytes\\W+parent_loader\\W+alive?\\W+type");
+        output.stderrShouldNotMatch("[E|e]xception");
+        output.stderrShouldNotMatch("[E|e]rror");
+    }
+
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/serviceability/sa/TestStackTrace.java	Thu May 28 16:01:10 2015 +0200
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import jdk.test.lib.OutputAnalyzer;
+import jdk.test.lib.Platform;
+import jdk.test.lib.ProcessTools;
+
+/*
+ * @test
+ * @library /testlibrary
+ * @build jdk.test.lib.*
+ * @run main TestStackTrace
+ */
+public class TestStackTrace {
+
+    public static void main(String[] args) throws Exception {
+        if (!Platform.shouldSAAttach()) {
+            System.out.println("SA attach not expected to work - test skipped.");
+            return;
+        }
+
+        ProcessBuilder processBuilder = ProcessTools.createJavaProcessBuilder(
+                "-XX:+UsePerfData",
+                "sun.jvm.hotspot.tools.StackTrace",
+                Integer.toString(ProcessTools.getProcessId()));
+        OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
+        System.out.println(output.getOutput());
+
+        output.shouldHaveExitValue(0);
+        output.shouldContain("Debugger attached successfully.");
+        output.stderrShouldNotMatch("[E|e]xception");
+        output.stderrShouldNotMatch("[E|e]rror");
+     }
+
+}