8267166: Remove test file vmTestbase/vm/mlvm/tools/LoadClass.java

Reviewed-by: gziemski, coleenp

test/hotspot/jtreg/vmTestbase/vm/mlvm/anonloader/share/StressClassLoadingTest.java

@@ -70,12 +70,6 @@ import vm.share.UnsafeAccess;
  * Class saving is controlled by -saveClassFile option.
  * A prefix can be added to the file name using {@link #setFileNamePrefix}
  * function.
- *
- * <p>There is a tool to load the saved .class file.
- * The tool tries to load class using a number of class loaders. For more
- * information, please see tool documentation: {@link vm.mlvm.tools.LoadClass}.
- *
- * @see vm.mlvm.tools.LoadClass
  */
 public abstract class StressClassLoadingTest extends MlvmTest {
     private static final String RESCUE_FILE_NAME = "_AnonkTestee01.class";

test/hotspot/jtreg/vmTestbase/vm/mlvm/anonloader/stress/byteMutation/Test.java

@@ -65,9 +65,6 @@ import vm.share.options.Option;
  * the VM verifier. But this test tries to find pathological cases, such
  * as infinite loops during verification or VM crashes.
  *
- * <p>NB: There is a tool to load invalid classes saved by this test.
- * Please see tool documentation at {@link vm.mlvm.tools.LoadClass}
- *
  */
 public class Test extends StressClassLoadingTest {
     private final static Class<?> HOST_CLASS = AnonkTestee01.class;

test/hotspot/jtreg/vmTestbase/vm/mlvm/anonloader/stress/randomBytecodes/Test.java

@@ -62,9 +62,6 @@ import vm.mlvm.anonloader.share.StressClassLoadingTest;
  * the VM verifier. But this test is looking for pathological cases
  * such as infinite loops in the verifier or VM crashes.
  *
- * <p>NB: There is a tool to load invalid classes saved by this test.
- * Please see tool documentation at {@link vm.mlvm.tools.LoadClass}.
- *
  */
 public class Test extends StressClassLoadingTest {
     private static final Class<?> HOST_CLASS = Test.class;

test/hotspot/jtreg/vmTestbase/vm/mlvm/tools/LoadClass.java

@@ -1,114 +0,0 @@
-/*
- * Copyright (c) 2016, 2018, 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 vm.mlvm.tools;
-
-import java.io.File;
-import vm.share.UnsafeAccess;
-import vm.share.FileUtils;
-import vm.mlvm.share.CustomClassLoaders;
-import vm.mlvm.anonloader.share.AnonkTestee01;
-
-import vm.mlvm.share.Env;
-
-/**
- * A tool, which loads a class file specified in command line into VM using:
- * <ul>
- *   <li>A custom class loader,
- *   <li>{@link sun.misc.Unsafe#defineAnonymousClass(Class, byte[], Object[])}
- *   call.
- * </ul>
- *
- * <p>Syntax:
- * <pre>{@code
- * $ java [options...] vm.mlvm.tool.LoadClass class-file-name [class-FQDN]
- * }</pre>
- *
- * The first argument, class file name is mandatory.
- * The second one is optional &mdash; a fully qualified class name.
- * If the second argument is not specified, it is constructed from the first
- * argument, replacing '/' with '.'
- *
- * <p>The tool can be used for investigating failures of vm.mlvm.anon tests.
- *
- */
-public class LoadClass {
-
-    private static final Class<?> HOST_CLASS = AnonkTestee01.class;
-
-    private static void usage() {
-        System.out.println("Usage: java " + LoadClass.class.getName()
-                + " <class-file-to-load> [class-name]");
-    }
-
-    /**
-     * Runs the tool.
-     * @param args Tool arguments
-     */
-    @SuppressWarnings("deprecation")
-    public static void main(String[] args) {
-        if (args.length < 1) {
-            usage();
-            System.exit(1);
-        }
-
-        try {
-            final String classFileName = args[0];
-            final String className = (args.length > 1) ? args[1]
-                    : classFileName.replaceAll("\\.class$", "")
-                            .replace("/", ".");
-            final byte[] classBytes = FileUtils
-                    .readFile(new File(classFileName));
-
-            Env.traceImportant("Loading class '%s' from file '%s'...",
-                    className, classFileName);
-
-            Env.traceImportant("...using custom ClassLoader");
-            try {
-                ClassLoader cl = CustomClassLoaders
-                        .makeClassBytesLoader(classBytes, className);
-                Class<?> c = cl.loadClass(className);
-                c.newInstance();
-                Env.traceImportant("OK");
-            } catch (Throwable e) {
-                Env.traceImportant(e,
-                        "Couldn't load class '%s' via custom ClassLoader",
-                        classFileName);
-            }
-
-            Env.traceImportant(
-                    "...using sun.misc.Unsafe.defineAnonymousClass():");
-            try {
-                Class<?> c = UnsafeAccess.unsafe.defineAnonymousClass(HOST_CLASS,
-                        classBytes, new Object[0]);
-                c.newInstance();
-                Env.traceImportant("OK");
-            } catch (Throwable e) {
-                Env.traceImportant(e, "Couldn't load class '%s' via sun.misc."
-                        + "Unsafe.defineAnonymousClass()", classFileName);
-            }
-        } catch (Throwable e) {
-            Env.traceImportant(e, "Can't load class");
-        }
-    }
-}