136 lines
5.3 KiB
Java
136 lines
5.3 KiB
Java
/*
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* Copyright (c) 2005, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.nio.file.Path;
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import bootreporter.*;
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import jdk.test.lib.helpers.ClassFileInstaller;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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/*
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* @test
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* @bug 6263319 8334167
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* @summary test setNativeMethodPrefix
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* @requires ((vm.opt.StartFlightRecording == null) | (vm.opt.StartFlightRecording == false)) & ((vm.opt.FlightRecorder == null) | (vm.opt.FlightRecorder == false))
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* @modules java.instrument
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* @library /test/lib
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* @build bootreporter.StringIdCallback bootreporter.StringIdCallbackReporter
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* asmlib.Instrumentor NativeMethodPrefixAgent
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* @enablePreview
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* @comment The test uses asmlib/Instrumentor.java which relies on ClassFile API PreviewFeature.
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* @run main/native NativeMethodPrefixApp roleDriver
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*/
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public class NativeMethodPrefixApp implements StringIdCallback {
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// we expect this native method, which is part of this test's application,
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// to be instrumented and invoked
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static String goldenNativeMethodName = "fooBarNativeMethod";
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static boolean[] gotIt = {false, false, false};
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private static final String testLibraryPath = System.getProperty("test.nativepath");
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public static void main(String[] args) throws Exception {
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if (args.length == 1) {
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if (!"roleDriver".equals(args[0])) {
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throw new Exception("unexpected program argument: " + args[0]);
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}
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// launch the NativeMethodPrefixApp java process after creating the necessary
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// infrastructure
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System.out.println("creating agent jar");
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final Path agentJar = createAgentJar();
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System.out.println("launching app, with javaagent jar: " + agentJar);
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launchApp(agentJar);
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} else {
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System.err.println("running app");
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System.loadLibrary("NativeMethodPrefix"); // load the native library
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new NativeMethodPrefixApp().run();
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}
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}
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private static Path createAgentJar() throws Exception {
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final Path agentJar = Path.of("NativeMethodPrefixAgent.jar");
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final String manifest = """
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Manifest-Version: 1.0
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Premain-Class: NativeMethodPrefixAgent
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Can-Retransform-Classes: true
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Can-Set-Native-Method-Prefix: true
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""";
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System.out.println("Manifest is:\n" + manifest);
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// create the agent jar
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ClassFileInstaller.writeJar(agentJar.getFileName().toString(),
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ClassFileInstaller.Manifest.fromString(manifest),
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"NativeMethodPrefixAgent",
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"asmlib.Instrumentor");
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return agentJar;
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}
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private static void launchApp(final Path agentJar) throws Exception {
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final OutputAnalyzer oa = ProcessTools.executeTestJava(
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"--enable-preview", // due to usage of ClassFile API PreviewFeature in the agent
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"-javaagent:" + agentJar.toString(),
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"-Djava.library.path=" + testLibraryPath,
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NativeMethodPrefixApp.class.getName());
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oa.shouldHaveExitValue(0);
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// make available stdout/stderr in the logs, even in case of successful completion
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oa.reportDiagnosticSummary();
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}
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private void run() throws Exception {
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StringIdCallbackReporter.registerCallback(this);
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System.err.println("start");
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final long val = new Dummy().callSomeNativeMethod();
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if (val != 42) {
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throw new RuntimeException("unexpected return value " + val
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+ " from native method, expected 42");
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}
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NativeMethodPrefixAgent.checkErrors();
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for (int i = 0; i < gotIt.length; ++i) {
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if (!gotIt[i]) {
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throw new Exception("ERROR: Missing callback for transform " + i);
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}
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}
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}
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@Override
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public void tracker(String name, int id) {
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if (name.endsWith(goldenNativeMethodName)) {
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System.err.println("Tracked #" + id + ": MATCHED -- " + name);
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gotIt[id] = true;
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} else {
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System.err.println("Tracked #" + id + ": " + name);
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}
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}
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private static class Dummy {
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private long callSomeNativeMethod() {
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return fooBarNativeMethod();
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}
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private native long fooBarNativeMethod();
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}
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}
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