--- a/jdk/src/java.base/share/classes/module-info.java	Fri May 06 06:52:13 2016 +0000
+++ b/jdk/src/java.base/share/classes/module-info.java	Fri May 06 12:45:04 2016 -0700
@@ -145,6 +145,8 @@
         jdk.scripting.nashorn;
     exports jdk.internal.org.objectweb.asm.signature to
         jdk.scripting.nashorn;
+    exports jdk.internal.loader to
+        java.instrument;
     exports jdk.internal.math to
         java.desktop;
     exports jdk.internal.module to

--- a/jdk/src/java.instrument/share/classes/sun/instrument/InstrumentationImpl.java	Fri May 06 06:52:13 2016 +0000
+++ b/jdk/src/java.instrument/share/classes/sun/instrument/InstrumentationImpl.java	Fri May 06 12:45:04 2016 -0700
@@ -436,7 +436,8 @@
             if (classBeingRedefined != null) {
                 module = classBeingRedefined.getModule();
             } else {
-                module = loader.getUnnamedModule();
+                module = (loader == null) ? jdk.internal.loader.BootLoader.getUnnamedModule()
+                                          : loader.getUnnamedModule();
             }
         }
         if (mgr == null) {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/BootstrapClassPathAgent.java	Fri May 06 12:45:04 2016 -0700
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+package p;
+
+import java.io.*;
+import java.lang.instrument.ClassFileTransformer;
+import java.lang.instrument.Instrumentation;
+import java.lang.reflect.Module;
+import java.security.ProtectionDomain;
+
+public class BootstrapClassPathAgent {
+
+    public static void premain(String args, Instrumentation inst) {
+        System.out.println("agent loader=" + BootstrapClassPathAgent.class.getClassLoader());
+        inst.addTransformer(new MyTransformer());
+    }
+
+    static class MyTransformer implements ClassFileTransformer {
+
+        public byte[] transform(Module module,
+                                String className,
+                                Class<?> classBeingRedefined,
+                                ProtectionDomain    protectionDomain,
+                                byte[] classfileBuffer) {
+            System.out.println(className + ", module=" + module);
+            return null;
+        }
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/BootstrapClassPathSetUp.sh	Fri May 06 12:45:04 2016 -0700
@@ -0,0 +1,68 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2016, 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.
+#
+
+if [ "${TESTSRC}" = "" ]
+then
+  echo "TESTSRC not set.  Test cannot execute.  Failed."
+  exit 1
+fi
+echo "TESTSRC=${TESTSRC}"
+
+if [ "${TESTJAVA}" = "" ]
+then
+  echo "TESTJAVA not set.  Test cannot execute.  Failed."
+  exit 1
+fi
+echo "TESTJAVA=${TESTJAVA}"
+
+if [ "${COMPILEJAVA}" = "" ]
+then
+  COMPILEJAVA="${TESTJAVA}"
+fi
+echo "COMPILEJAVA=${COMPILEJAVA}"
+
+if [ "${TESTCLASSES}" = "" ]
+then
+  echo "TESTCLASSES not set.  Test cannot execute.  Failed."
+  exit 1
+fi
+
+echo "TESTCLASSES=${TESTCLASSES}"
+echo "CLASSPATH=${CLASSPATH}"
+
+JAVAC="${COMPILEJAVA}/bin/javac -g"
+JAR="${COMPILEJAVA}/bin/jar"
+
+mkdir agentclasses
+touch agent.mf
+echo "Manifest-Version: 1.0" >> agent.mf
+echo "Boot-Class-Path: agent.jar" >> agent.mf
+echo "Premain-Class: p.BootstrapClassPathAgent" >> agent.mf
+
+cp ${TESTSRC}/BootstrapClassPathAgent.java BootstrapClassPathAgent.java
+${JAVAC} ${TESTJAVACOPTS} ${TESTTOOLVMOPTS} -d agentclasses BootstrapClassPathAgent.java
+echo "JAR=${JAR}"
+${JAR} ${TESTTOOLVMOPTS} cvfm agent.jar agent.mf -C agentclasses .
+rm -f BootstrapClassPathAgent.class BootstrapClassPathAgent.java

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/BootstrapClassPathTest.java	Fri May 06 12:45:04 2016 -0700
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+/**
+ * @test
+ * @bug 8156147
+ * @summary simple test for the Boot-Class-Path agent
+ *
+ * @run build BootstrapClassPathTest
+ * @run shell BootstrapClassPathSetUp.sh
+ * @run main/othervm -javaagent:agent.jar BootstrapClassPathTest BootstrapClassPathTest
+ */
+
+import java.io.*;
+import java.lang.instrument.*;
+import java.lang.reflect.Module;
+import java.security.ProtectionDomain;
+
+public class BootstrapClassPathTest {
+
+    public static void main (String[] args) {
+    }
+}