1 /* 2 * Copyright (c) 2015, 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 /** 26 * @test 27 * @bug 8136421 28 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64" 29 * @library /testlibrary / 30 * @run main/othervm -XX:+UnlockExperimentalVMOptions 31 * -Dcompiler.jvmci.compilerToVM.JVM_RegisterJVMCINatives.positive=true 32 * -XX:+EnableJVMCI 33 * compiler.jvmci.compilerToVM.JVM_RegisterJVMCINatives 34 * @run main/othervm -XX:+UnlockExperimentalVMOptions 35 * -Dcompiler.jvmci.compilerToVM.JVM_RegisterJVMCINatives.positive=false 36 * -XX:-EnableJVMCI 37 * compiler.jvmci.compilerToVM.JVM_RegisterJVMCINatives 38 39 */ 40 41 package compiler.jvmci.compilerToVM; 42 43 import jdk.vm.ci.hotspot.CompilerToVM; 44 import jdk.vm.ci.runtime.JVMCI; 45 import jdk.test.lib.Asserts; 46 47 import java.lang.reflect.Method; 48 49 public class JVM_RegisterJVMCINatives { 50 private static final boolean IS_POSITIVE = Boolean.getBoolean( 51 "compiler.jvmci.compilerToVM.JVM_RegisterJVMCINatives.positive"); 52 53 private final Method registerNatives; 54 55 public static void main(String[] args) { 56 new JVM_RegisterJVMCINatives().runTest(); 57 } 58 59 private void runTest() { 60 Object result; 61 try { 62 result = invoke(); 63 } catch (InternalError e) { 64 if (IS_POSITIVE) { 65 throw new AssertionError("unexpected exception", e); 66 } 67 return; 68 } 69 if (!IS_POSITIVE) { 70 throw new AssertionError("didn't get expected exception"); 71 } 72 Asserts.assertNull(result, 73 "registerNatives()V returned non-null"); 74 Asserts.assertEQ(result, invoke(), 75 "registerNatives returns different results"); 76 77 } 78 private Object invoke() { 79 Object result; 80 try { 81 result = registerNatives.invoke(JVMCI.class); 82 } catch (ReflectiveOperationException e) { 83 throw new Error("can't invoke registerNatives", e); 84 } 85 return result; 86 } 87 88 private JVM_RegisterJVMCINatives() { 89 Method method; 90 try { 91 method = CompilerToVM.class.getDeclaredMethod("registerNatives"); 92 method.setAccessible(true); 93 } catch (NoSuchMethodException e) { 94 throw new Error("can't find CompilerToVM::registerNatives", e); 95 } 96 registerNatives = method; 97 } 98 }