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.simpleArch == "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.runtime.JVMCI; 44 import jdk.test.lib.Asserts; 45 46 import java.lang.reflect.Method; 47 48 public class JVM_RegisterJVMCINatives { 49 private static final boolean IS_POSITIVE = Boolean.getBoolean( 50 "compiler.jvmci.compilerToVM.JVM_RegisterJVMCINatives.positive"); 51 52 private final Method registerNatives; 53 54 public static void main(String[] args) { 55 new JVM_RegisterJVMCINatives().runTest(); 56 } 57 58 private void runTest() { 59 Object result; 60 try { 61 result = invoke(); 62 } catch (InternalError e) { 63 if (IS_POSITIVE) { 64 throw new AssertionError("unexpected exception", e); 65 } 66 return; 67 } 68 if (!IS_POSITIVE) { 69 throw new AssertionError("didn't get expected exception"); 70 } 71 Asserts.assertNull(result, 72 "registerNatives()V returned non-null"); 73 Asserts.assertEQ(result, invoke(), 74 "registerNatives returns different results"); 75 76 } 77 private Object invoke() { 78 Object result; 79 try { 80 result = registerNatives.invoke(JVMCI.class); 81 } catch (ReflectiveOperationException e) { 82 throw new Error("can't invoke registerNatives", e); 83 } 84 return result; 85 } 86 87 private JVM_RegisterJVMCINatives() { 88 Method method; 89 try { 90 method = Class.forName("jdk.vm.ci.hotspot.CompilerToVM", 91 /* initialize = */ false, 92 this.getClass().getClassLoader()) 93 .getDeclaredMethod("registerNatives"); 94 method.setAccessible(true); 95 } catch (ReflectiveOperationException e) { 96 throw new Error("can't find CompilerToVM::registerNatives", e); 97 } 98 registerNatives = method; 99 } 100 }