/* * Copyright (c) 2018, 2020, 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 * * @summary converted from VM Testbase nsk/jvmti/AddToBootstrapClassLoaderSearch/bootclssearch002. * VM Testbase keywords: [quick, jpda, jvmti, onload_only_logic, noras, no_cds] * VM Testbase readme: * DESCRIPTION * This JVMTI test exercises JVMTI thread function AddToBootstrapClassLoaderSearch(). * This test checks that AddToBootstrapClassLoaderSearch() adds segment * to bootstrap class search path and bootstrap classloader will find * debuggee class using that segment. * Debuggee class has direct superclass located in the original bootstrap classpath. * The following checks are performed by the test: * - AddToBootstrapClassLoaderSearch() returns no errors in OnLoad phase * - debuggee class will be found by bootstrap classloader using added segment * - superclass needed for debuggee class will be also found by bootstrap * classloader though located in the original bootstrap classpath * - superclass needed for debuggee class will be loaded from bootstrap * classpath, not from usual classpath * Source of debuggee class 'bootclssearch002' is located in subdirectory 'newclass'. * It will be compiled to '$COMMON_CLASSES_LOCATION/newclass', where it usually * cannot be found by bootstrap classloader. * The superclass 'bootclssearch002p' has two different implementations. * Source of "positive" implementation is located in subdirectory 'loadclass'. * It will be compiled to '$COMMON_CLASSES_LOCATION/loadclass' that is added * to original bootstrap classpath using option -Xbootclasspath/a. * This implementation returns PASS. * Source of "negative" implementation is located in the currect directory. * It will be compiled to '$COMMON_CLASSES_LOCATION/classes' that is available * from usual classpath. * This implementation prints error and returns FAIL. * The agent adds '$COMMON_CLASSES_LOCATION/newclass' directory with debuggee * class implementation to the bootstrap class search path in Agent_OnLoad(), * and thus the debuggee class should be found by bootstrap classloader. * While loading debuggee class the bootstrap classloader should find and load * "positive" implementation of superclass available from original bootstrap * classpath, but not "negative" implementation available from usual classpath. * If AddToBootstrapClassLoaderSearch() returns error in Agent_OnLoad(), * then agent returns JNI_ERR and VM fails on initialization. * If AddToBootstrapClassLoaderSearch() does not adds segment to bootstrap * classloader search path, then debuggee class is not found and VM * fails on initialization. * If bootstrap classloader cannot find superclass located by the original * bootstrap classpath, then VM also fails on initialization. * If bootstrap classloader loads "negative" implementation of superclass * available from usual classpath, then the debuggee class returns FAIL, * and the test fails with exit code 97. * Otherwise, if segment is successfully added and debuggee class with positive * implementation of superclass are found, loaded, and executed, then it * returns PASS. and the test passes with exit code 95. * COMMENTS * Made code cleanup: nsk/share/jvmti/AddToBootstrapClassLoaderSearch/bootclssearch_agent * agent is used now. * * @library /vmTestbase * /test/lib * @build nsk.jvmti.AddToBootstrapClassLoaderSearch.bootclssearch002p * * @comment compile loadclassXX to bin/loadclassXX * @run driver nsk.share.ExtraClassesBuilder * loadclass * * @comment compile newclassXX to bin/newclassXX * @run driver nsk.share.ExtraClassesBuilder * newclass * * @comment ExecDriver is used b/c main class isn't on source/class path * @run main/othervm/native ExecDriver --java * -Xbootclasspath/a:./bin/loadclass * -agentlib:bootclssearch_agent=-waittime=5,phasetocheck=onload,segment1=./bin/newclass * nsk.jvmti.AddToBootstrapClassLoaderSearch.bootclssearch002 */