1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8080406 27 * @summary VM_GetOrSetLocal doesn't check local slot type against requested type 28 * 29 * @compile GetLocalVars.java 30 * @run main/othervm/native -Xcomp -agentlib:GetLocalVars GetLocalVars 31 */ 32 33 34 public class GetLocalVars { 35 private static final String agentLib = "GetLocalVars"; 36 testLocals(Thread thread)37 static native void testLocals(Thread thread); getStatus()38 static native int getStatus(); 39 40 public static main(String[] args)41 void main(String[] args) throws Exception { 42 try { 43 System.loadLibrary(agentLib); 44 } catch (UnsatisfiedLinkError ex) { 45 System.err.println("Failed to load " + agentLib + " lib"); 46 System.err.println("java.library.path: " + System.getProperty("java.library.path")); 47 throw ex; 48 } 49 run(args); 50 int status = getStatus(); 51 if (status != 0) { 52 throw new RuntimeException("Test GetLocalVars failed with a bad status: " + status); 53 } 54 } 55 56 public static run(String argv[])57 void run(String argv[]) { 58 GetLocalVars testedObj = new GetLocalVars(); 59 double pi = 3.14d; 60 byte sym = 'X'; 61 int year = 2018; 62 63 staticMeth(sym, testedObj, pi, year); 64 } 65 66 public static synchronized staticMeth(byte byteArg, Object objArg, double dblArg, int intArg)67 int staticMeth(byte byteArg, Object objArg, double dblArg, int intArg) { 68 testLocals(Thread.currentThread()); 69 { 70 int intLoc = 9999; 71 intArg = intLoc; 72 } 73 return intArg; 74 } 75 } 76