--- old/src/share/classes/com/sun/tools/jdeps/JdepsTask.java	2013-11-26 13:42:54.000000000 -0800
+++ new/src/share/classes/com/sun/tools/jdeps/JdepsTask.java	2013-11-26 13:42:54.000000000 -0800
@@ -180,6 +180,15 @@
                 task.options.depth = 0;
             }
         },
+        new Option(false, "-jdkinternals") {
+            void process(JdepsTask task, String opt, String arg) {
+                task.options.findJDKInternals = true;
+                task.options.verbose = Analyzer.Type.CLASS;
+                if (task.options.includePattern == null) {
+                    task.options.includePattern = Pattern.compile(".*");
+                }
+            }
+        },
         new Option(false, "-version") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.version = true;
@@ -248,6 +257,11 @@
                 showHelp();
                 return EXIT_CMDERR;
             }
+            if (options.findJDKInternals &&
+                   (options.regex != null || options.packageNames.size() > 0 || options.showSummary)) {
+                showHelp();
+                return EXIT_CMDERR;
+            }
             if (options.showSummary && options.verbose != Analyzer.Type.SUMMARY) {
                 showHelp();
                 return EXIT_CMDERR;
@@ -571,6 +585,7 @@
         boolean wildcard;
         boolean apiOnly;
         boolean showLabel;
+        boolean findJDKInternals;
         String dotOutputDir;
         String classpath = "";
         int depth = 1;
@@ -681,6 +696,11 @@
         @Override
         public void visitDependence(String origin, Archive source,
                                     String target, Archive archive, Profile profile) {
+            if (options.findJDKInternals &&
+                    !(archive instanceof JDKArchive && profile == null)) {
+                // filter dependences other than JDK internal APIs
+                return;
+            }
             if (!origin.equals(pkg)) {
                 pkg = origin;
                 writer.format("   %s (%s)%n", origin, source.getFileName());
@@ -717,6 +737,11 @@
         @Override
         public void visitDependence(String origin, Archive source,
                                     String target, Archive archive, Profile profile) {
+            if (options.findJDKInternals &&
+                    !(archive instanceof JDKArchive && profile == null)) {
+                // filter dependences other than JDK internal APIs
+                return;
+            }
             // if -P option is specified, package name -> profile will
             // be shown and filter out multiple same edges.
             String name = getProfileArchiveInfo(archive, profile);
--- old/src/share/classes/com/sun/tools/jdeps/resources/jdeps.properties	2013-11-26 13:42:55.000000000 -0800
+++ new/src/share/classes/com/sun/tools/jdeps/resources/jdeps.properties	2013-11-26 13:42:55.000000000 -0800
@@ -59,10 +59,17 @@
 main.opt.dotoutput=\
 \  -dotoutput <dir>                   Destination directory for DOT file output
 
+main.opt.jdkinternals=\
+\  -jdkinternals                      Finds class-level dependences on JDK internal APIs.\n\
+\                                     By default, it analyzes all classes on -classpath\n\
+\                                     and input files unless -include option is specified.\n\
+\                                     This option cannot be used with -p, -e and -s options.
+
 main.opt.depth=\
 \  -depth=<depth>                     Specify the depth of the transitive\n\
 \                                     dependency analysis
 
+
 err.unknown.option=unknown option: {0}
 err.missing.arg=no value given for {0}
 err.internal.error=internal error: {0} {1} {2}