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8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
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parent
270fe13182
commit
3789983e89
56923 changed files with 3 additions and 15727 deletions
136
test/jdk/java/lang/instrument/NativeMethodPrefixAgent.java
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136
test/jdk/java/lang/instrument/NativeMethodPrefixAgent.java
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/*
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* Copyright (c) 2005, 2015, 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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/**
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* @test
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* @bug 6263319
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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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* @summary test setNativeMethodPrefix
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* @author Robert Field, Sun Microsystems
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*
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* @modules java.base/jdk.internal.org.objectweb.asm
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* java.management
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* java.instrument
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* @run shell/timeout=240 MakeJAR2.sh NativeMethodPrefixAgent NativeMethodPrefixApp 'Can-Retransform-Classes: true' 'Can-Set-Native-Method-Prefix: true'
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:-CheckIntrinsics -javaagent:NativeMethodPrefixAgent.jar NativeMethodPrefixApp
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*/
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import java.lang.instrument.*;
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import java.security.ProtectionDomain;
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import java.io.*;
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import asmlib.*;
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class NativeMethodPrefixAgent {
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static ClassFileTransformer t0, t1, t2;
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static Instrumentation inst;
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static class Tr implements ClassFileTransformer {
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final String trname;
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final int transformId;
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Tr(int transformId) {
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this.trname = "tr" + transformId;
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this.transformId = transformId;
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}
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public byte[]
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transform(
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ClassLoader loader,
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String className,
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Class<?> classBeingRedefined,
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ProtectionDomain protectionDomain,
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byte[] classfileBuffer) {
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boolean redef = classBeingRedefined != null;
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System.out.println(trname + ": " +
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(redef? "Retransforming " : "Loading ") + className);
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if (className != null) {
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try {
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byte[] newcf = Instrumentor.instrFor(classfileBuffer)
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.addNativeMethodTrackingInjection(
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"wrapped_" + trname + "_",
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(h)->{
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h.push(h.getName());
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h.push(transformId);
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h.invokeStatic("bootreporter/StringIdCallbackReporter", "tracker", "(Ljava/lang/String;I)V", false);
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})
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.apply();
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/*** debugging ...
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if (newcf != null) {
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String fname = trname + (redef?"_redef" : "") + "/" + className;
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System.err.println("dumping to: " + fname);
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write_buffer(fname + "_before.class", classfileBuffer);
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write_buffer(fname + "_instr.class", newcf);
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}
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***/
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return redef? null : newcf;
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} catch (Throwable ex) {
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System.err.println("ERROR: Injection failure: " + ex);
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ex.printStackTrace();
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System.err.println("Returning bad class file, to cause test failure");
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return new byte[0];
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}
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}
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return null;
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}
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}
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// for debugging
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static void write_buffer(String fname, byte[]buffer) {
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try {
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File f = new File(fname);
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if (!f.getParentFile().exists()) {
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f.getParentFile().mkdirs();
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}
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try (FileOutputStream outStream = new FileOutputStream(f)) {
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outStream.write(buffer, 0, buffer.length);
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}
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} catch (IOException ex) {
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System.err.println("EXCEPTION in write_buffer: " + ex);
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}
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}
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public static void
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premain (String agentArgs, Instrumentation instArg)
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throws IOException, IllegalClassFormatException,
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ClassNotFoundException, UnmodifiableClassException {
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inst = instArg;
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System.out.println("Premain");
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t1 = new Tr(1);
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t2 = new Tr(2);
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t0 = new Tr(0);
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inst.addTransformer(t1, true);
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inst.addTransformer(t2, false);
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inst.addTransformer(t0, true);
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instArg.setNativeMethodPrefix(t0, "wrapped_tr0_");
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instArg.setNativeMethodPrefix(t1, "wrapped_tr1_");
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instArg.setNativeMethodPrefix(t2, "wrapped_tr2_");
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// warm up: cause load of transformer classes before used during class load
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instArg.retransformClasses(Runtime.class);
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}
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}
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