/* * Copyright (c) 2003, 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 nsk.jvmti.CompiledMethodLoad; import java.io.*; import nsk.share.*; /** * This test exercises the JVMTI event CompiledMethodLoad. *
It creates an instance of tested class 'HotClass'. Then special * method 'hotMethod' is called in a loop in order to be compiled/inlined. * The CompiledMethodLoad events, if they occur, must be sent only * during the live phase of the VM execution. */ public class compmethload001 { /* number of interations to provoke method compiling */ final static int ITERATIONS = 10000; static { try { System.loadLibrary("compmethload001"); } catch (UnsatisfiedLinkError ule) { System.err.println("Could not load \"compmethload001\" library"); System.err.println("java.library.path:" + System.getProperty("java.library.path")); throw ule; } } native int check(); public static void main(String[] argv) { argv = nsk.share.jvmti.JVMTITest.commonInit(argv); // produce JCK-like exit status System.exit(run(argv, System.out) + Consts.JCK_STATUS_BASE); } public static int run(String argv[], PrintStream out) { return new compmethload001().runThis(argv, out); } private int runThis(String argv[], PrintStream out) { HotClass hotCls = new HotClass(ITERATIONS); hotCls.entryMethod(); /* provoke method compiling */ return check(); } /** * Dummy class used only to provoke method compiling/inlining * and, thus, CompiledMethodLoad event generation. */ class HotClass { StringBuffer strBuf; int iter; HotClass(int iter) { strBuf = new StringBuffer(iter); this.iter = iter; } void entryMethod() { for (int i=0; i