feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/sun/tracing/dtrace/Activation.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2008, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 sun.tracing.dtrace;
+
+import java.lang.ref.WeakReference;
+import java.lang.ref.ReferenceQueue;
+import java.security.Permission;
+import java.util.HashSet;
+
+class Activation {
+    private SystemResource resource;
+    private int referenceCount;
+
+    Activation(String moduleName, DTraceProvider[] providers) {
+        SecurityManager security = System.getSecurityManager();
+        if (security != null) {
+            Permission perm =
+                new RuntimePermission("com.sun.tracing.dtrace.createProvider");
+            security.checkPermission(perm);
+        }
+        referenceCount = providers.length;
+        for (DTraceProvider p : providers) {
+            p.setActivation(this);
+        }
+        resource = new SystemResource(
+            this, JVM.activate(moduleName, providers));
+    }
+
+    void disposeProvider(DTraceProvider p) {
+        if (--referenceCount == 0) {
+            resource.dispose();
+        }
+    }
+}
+
+/**
+ * The native resource part of an Activation.
+ *
+ * This holds the native handle.
+ *
+ * If the user loses a reference to a set of Providers without disposing them,
+ * and GC determines the Activation is unreachable, then the next
+ * activation or flush call will automatically dispose the unreachable objects
+ *
+ * The SystemResource instances are creating during activation, and
+ * unattached during disposal.  When created, they always have a
+ * strong reference to them via the {@code resources} static member.  Explicit
+ * {@code dispose} calls will unregister the native resource and remove
+ * references to the SystemResource object.  Absent an explicit dispose,
+ * when their associated Activation object becomes garbage, the SystemResource
+ * object will be enqueued on the reference queue and disposed at the
+ * next call to {@code flush}.
+ */
+class SystemResource extends WeakReference<Activation> {
+
+    private long handle;
+
+    private static ReferenceQueue<Activation> referenceQueue =
+        referenceQueue = new ReferenceQueue<Activation>();
+    static HashSet<SystemResource> resources = new HashSet<SystemResource>();
+
+    SystemResource(Activation activation, long handle) {
+        super(activation, referenceQueue);
+        this.handle = handle;
+        flush();
+        resources.add(this);
+    }
+
+    void dispose() {
+        JVM.dispose(handle);
+        resources.remove(this);
+        handle = 0;
+    }
+
+    static void flush() {
+        SystemResource resource = null;
+        while ((resource = (SystemResource)referenceQueue.poll()) != null) {
+            if (resource.handle != 0) {
+                resource.dispose();
+            }
+        }
+    }
+}
+

jdkSrc/jdk8/sun/tracing/dtrace/DTraceProbe.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2008, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 sun.tracing.dtrace;
+
+import java.lang.reflect.Method;
+import java.lang.reflect.InvocationTargetException;
+
+import sun.tracing.ProbeSkeleton;
+
+class DTraceProbe extends ProbeSkeleton {
+    private Object proxy;
+    private Method declared_method;
+    private Method implementing_method;
+
+    DTraceProbe(Object proxy, Method m) {
+        super(m.getParameterTypes());
+        this.proxy = proxy;
+        this.declared_method = m;
+        try {
+            // The JVM will override the proxy method's implementation with
+            // a version that will invoke the probe.
+            this.implementing_method =  proxy.getClass().getMethod(
+                m.getName(), m.getParameterTypes());
+        } catch (NoSuchMethodException e) {
+            throw new RuntimeException("Internal error, wrong proxy class");
+        }
+    }
+
+    public boolean isEnabled() {
+        return JVM.isEnabled(implementing_method);
+    }
+
+    public void uncheckedTrigger(Object[] args) {
+        try {
+            implementing_method.invoke(proxy, args);
+        } catch (IllegalAccessException e) {
+            assert false;
+        } catch (InvocationTargetException e) {
+            assert false;
+        }
+    }
+
+    String getProbeName() {
+        return DTraceProvider.getProbeName(declared_method);
+    }
+
+    String getFunctionName() {
+        return DTraceProvider.getFunctionName(declared_method);
+    }
+
+    Method getMethod() {
+        return implementing_method;
+    }
+
+    Class<?>[] getParameterTypes() {
+        return this.parameters;
+    }
+}
+

jdkSrc/jdk8/sun/tracing/dtrace/DTraceProvider.java

@@ -0,0 +1,210 @@
+/*
+ * Copyright (c) 2008, 2013, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 sun.tracing.dtrace;
+
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.annotation.Annotation;
+
+import sun.tracing.ProviderSkeleton;
+import sun.tracing.ProbeSkeleton;
+import com.sun.tracing.Provider;
+import com.sun.tracing.ProbeName;
+import com.sun.tracing.dtrace.Attributes;
+import com.sun.tracing.dtrace.ModuleName;
+import com.sun.tracing.dtrace.FunctionName;
+import com.sun.tracing.dtrace.StabilityLevel;
+import com.sun.tracing.dtrace.DependencyClass;
+
+import sun.misc.ProxyGenerator;
+
+class DTraceProvider extends ProviderSkeleton {
+
+    private Activation activation;
+    private Object proxy;
+
+    // For proxy generation
+    private final static Class[] constructorParams = { InvocationHandler.class };
+    private final String proxyClassNamePrefix = "$DTraceTracingProxy";
+
+    static final String DEFAULT_MODULE = "java_tracing";
+    static final String DEFAULT_FUNCTION = "unspecified";
+
+    private static long nextUniqueNumber = 0;
+    private static synchronized long getUniqueNumber() {
+        return nextUniqueNumber++;
+    }
+
+    protected ProbeSkeleton createProbe(Method m) {
+        return new DTraceProbe(proxy, m);
+    }
+
+    DTraceProvider(Class<? extends Provider> type) {
+        super(type);
+    }
+
+    void setProxy(Object p) {
+        proxy = p;
+    }
+
+    void setActivation(Activation a) {
+        this.activation = a;
+    }
+
+    public void dispose() {
+        if (activation != null) {
+            activation.disposeProvider(this);
+            activation = null;
+        }
+        super.dispose();
+    }
+
+    /**
+     * Magic routine which creates an implementation of the user's interface.
+     *
+     * This method uses the ProxyGenerator directly to bypass the
+     * java.lang.reflect.proxy cache so that we get a unique class each
+     * time it's called and can't accidently reuse a $Proxy class.
+     *
+     * @return an implementation of the user's interface
+     */
+    @SuppressWarnings("unchecked")
+    public <T extends Provider> T newProxyInstance() {
+        /*
+         * Choose a name for the proxy class to generate.
+         */
+        long num = getUniqueNumber();
+
+        String proxyPkg = "";
+        if (!Modifier.isPublic(providerType.getModifiers())) {
+            String name = providerType.getName();
+            int n = name.lastIndexOf('.');
+            proxyPkg = ((n == -1) ? "" : name.substring(0, n + 1));
+        }
+
+        String proxyName = proxyPkg + proxyClassNamePrefix + num;
+
+        /*
+         * Generate the specified proxy class.
+         */
+        Class<?> proxyClass = null;
+        byte[] proxyClassFile = ProxyGenerator.generateProxyClass(
+                proxyName, new Class<?>[] { providerType });
+        try {
+            proxyClass = JVM.defineClass(
+                providerType.getClassLoader(), proxyName,
+                proxyClassFile, 0, proxyClassFile.length);
+        } catch (ClassFormatError e) {
+            /*
+             * A ClassFormatError here means that (barring bugs in the
+             * proxy class generation code) there was some other
+             * invalid aspect of the arguments supplied to the proxy
+             * class creation (such as virtual machine limitations
+             * exceeded).
+             */
+            throw new IllegalArgumentException(e.toString());
+        }
+
+        /*
+         * Invoke its constructor with the designated invocation handler.
+         */
+        try {
+            Constructor cons = proxyClass.getConstructor(constructorParams);
+            return (T)cons.newInstance(new Object[] { this });
+        } catch (ReflectiveOperationException e) {
+            throw new InternalError(e.toString(), e);
+        }
+    }
+
+    // In the normal case, the proxy object's method implementations will call
+    // this method (it usually calls the ProviderSkeleton's version).  That
+    // method uses the passed 'method' object to lookup the associated
+    // 'ProbeSkeleton' and calls uncheckedTrigger() on that probe to cause the
+    // probe to fire.  DTrace probes are different in that the proxy class's
+    // methods are immediately overridden with native code to fire the probe
+    // directly.  So this method should never get invoked.  We also wire up the
+    // DTraceProbe.uncheckedTrigger() method to call the proxy method instead
+    // of doing the work itself.
+    protected void triggerProbe(Method method, Object[] args) {
+        assert false : "This method should have been overridden by the JVM";
+    }
+
+    public String getProviderName() {
+        return super.getProviderName();
+    }
+
+    String getModuleName() {
+        return getAnnotationString(
+            providerType, ModuleName.class, DEFAULT_MODULE);
+    }
+
+    static String getProbeName(Method method) {
+        return getAnnotationString(
+            method, ProbeName.class, method.getName());
+    }
+
+    static String getFunctionName(Method method) {
+        return getAnnotationString(
+            method, FunctionName.class, DEFAULT_FUNCTION);
+    }
+
+    DTraceProbe[] getProbes() {
+        return probes.values().toArray(new DTraceProbe[0]);
+    }
+
+    StabilityLevel getNameStabilityFor(Class<? extends Annotation> type) {
+        Attributes attrs = (Attributes)getAnnotationValue(
+            providerType, type, "value", null);
+        if (attrs == null) {
+            return StabilityLevel.PRIVATE;
+        } else {
+            return attrs.name();
+        }
+    }
+
+    StabilityLevel getDataStabilityFor(Class<? extends Annotation> type) {
+        Attributes attrs = (Attributes)getAnnotationValue(
+            providerType, type, "value", null);
+        if (attrs == null) {
+            return StabilityLevel.PRIVATE;
+        } else {
+            return attrs.data();
+        }
+    }
+
+    DependencyClass getDependencyClassFor(Class<? extends Annotation> type) {
+        Attributes attrs = (Attributes)getAnnotationValue(
+            providerType, type, "value", null);
+        if (attrs == null) {
+            return DependencyClass.UNKNOWN;
+        } else {
+            return attrs.dependency();
+        }
+    }
+}

jdkSrc/jdk8/sun/tracing/dtrace/DTraceProviderFactory.java

@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2008, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 sun.tracing.dtrace;
+
+import java.util.Map;
+import java.util.Set;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.security.Permission;
+
+import com.sun.tracing.ProviderFactory;
+import com.sun.tracing.Provider;
+
+/**
+ * Factory class to create JSDT Providers.
+ *
+ * This class contains methods to create an instance of a Provider
+ * interface which can be used to place tracepoints in an application.
+ * Method calls upon that instance trigger DTrace probes that
+ * are visible from DTrace scripts.   Such calls have no other
+ * side effects in the application.
+ * <p>
+ * The DTrace script mechanisms for listing and matching probes will not see
+ * nor match any probes until the provider they reside in is created by a
+ * call to {@code createProvider()} (or {@code createProviders()}).
+ * <p>
+ * Providers that are created should be disposed of when they are no longer
+ * needed to free up system resources, at which point the associated
+ * DTrace probes will no longer be available to DTrace.  One disposes a
+ * provider by calling
+ * {@link com.sun.tracing.Provider#dispose Provider.dispose()} on a
+ * created provider instance.
+ *
+ * @since 1.7
+ */
+public final class DTraceProviderFactory extends ProviderFactory {
+    /**
+     * Creates an instance of a provider which can then be used to trigger
+     * DTrace probes.
+     *
+     * The provider specification, provided as an argument, should only
+     * contain methods which have a 'void' return type and String or
+     * integer-based typed arguments (long, int, short, char, byte, or boolean).
+     *
+     * @param cls A user-defined interface which extends {@code Provider}.
+     * @return An instance of the interface which is used to trigger
+     * the DTrace probes.
+     * @throws java.lang.SecurityException if a security manager has been
+     * installed and it denies
+     * RuntimePermission("com.sun.dtrace.jsdt.createProvider")
+     * @throws java.lang.IllegalArgumentException if the interface contains
+     * methods that do not return null, or that contain arguments that are
+     * not String or integer types.
+     */
+    public <T extends Provider> T createProvider(Class<T> cls) {
+        DTraceProvider jsdt = new DTraceProvider(cls);
+        T proxy = jsdt.newProxyInstance();
+        jsdt.setProxy(proxy);
+        jsdt.init();
+        new Activation(jsdt.getModuleName(), new DTraceProvider[] { jsdt });
+        return proxy;
+    }
+
+    /**
+     * Creates multiple providers at once.
+     *
+     * This method batches together a number of provider instantiations.
+     * It works similarly
+     * to {@code createProvider}, but operates on a set of providers instead
+     * of one at a time.  This method is in place since some DTrace
+     * implementations limit the number of times that providers can be
+     * created.  When numerous providers can be created at once with this
+     * method, it will count only as a single creation point to DTrace, thus
+     * it uses less system resources.
+     * <p>
+     * All of the probes in the providers will be visible to DTrace after
+     * this call and all will remain visible until all of the providers
+     * are disposed.
+     * <p>
+     * The {@code moduleName} parameter will override any {@code ModuleName}
+     * annotation associated with any of the providers in the set.
+     * All of the probes created by this call will share the same
+     * module name.
+     * <p>
+     * @param providers a set of provider specification interfaces
+     * @param moduleName the module name to associate with all probes
+     * @return A map which maps the provider interface specification to an
+     * implementing instance.
+     * @throws java.lang.SecurityException if a security manager has been
+     * installed and it denies
+     * RuntimePermission("com.sun.dtrace.jsdt.createProvider")
+     * @throws java.lang.IllegalArgumentException if any of the interface
+     * contains methods that do not return null, or that contain arguments
+     * that are not String or integer types.
+     */
+    public Map<Class<? extends Provider>,Provider> createProviders(
+            Set<Class<? extends Provider>> providers, String moduleName) {
+        HashMap<Class<? extends Provider>,Provider> map =
+            new HashMap<Class<? extends Provider>,Provider>();
+        HashSet<DTraceProvider> jsdts = new HashSet<DTraceProvider>();
+        for (Class<? extends Provider> cls : providers) {
+            DTraceProvider jsdt = new DTraceProvider(cls);
+            jsdts.add(jsdt);
+            map.put(cls, jsdt.newProxyInstance());
+        }
+        new Activation(moduleName, jsdts.toArray(new DTraceProvider[0]));
+        return map;
+    }
+
+    /**
+     * Used to check the status of DTrace support in the underlying JVM and
+     * operating system.
+     *
+     * This is an informative method only - the Java-level effects of
+     * creating providers and triggering probes will not change whether or
+     * not DTrace is supported by the underlying systems.
+     *
+     * @return true if DTrace is supported
+     */
+    public static boolean isSupported() {
+        try {
+            SecurityManager security = System.getSecurityManager();
+            if (security != null) {
+                Permission perm = new RuntimePermission(
+                        "com.sun.tracing.dtrace.createProvider");
+                security.checkPermission(perm);
+            }
+            return JVM.isSupported();
+        } catch (SecurityException e) {
+            return false;
+        }
+    }
+}

jdkSrc/jdk8/sun/tracing/dtrace/JVM.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2008, 2012, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 sun.tracing.dtrace;
+
+import java.lang.reflect.Method;
+
+/**
+ * Container class for JVM interface native methods
+ *
+ * @since 1.7
+ */
+class JVM {
+
+    static {
+        java.security.AccessController.doPrivileged(
+            new java.security.PrivilegedAction<Void>() {
+                public Void run() {
+                    System.loadLibrary("jsdt");
+                    return null;
+                }
+            });
+    }
+
+    static long activate(String moduleName, DTraceProvider[] providers) {
+        return activate0(moduleName, providers);
+    }
+
+    static void dispose(long handle) {
+        dispose0(handle);
+    }
+
+    static boolean isEnabled(Method m) {
+        return isEnabled0(m);
+    }
+
+    static boolean isSupported() {
+        return isSupported0();
+    }
+
+    static Class<?> defineClass(
+            ClassLoader loader, String name, byte[] b, int off, int len) {
+        return defineClass0(loader, name, b, off, len);
+    }
+
+    private static native long activate0(
+        String moduleName, DTraceProvider[] providers);
+    private static native void dispose0(long activation_handle);
+    private static native boolean isEnabled0(Method m);
+    private static native boolean isSupported0();
+    private static native Class<?> defineClass0(
+        ClassLoader loader, String name, byte[] b, int off, int len);
+}