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 * @test 26 * @bug 8136421 27 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64") 28 * @library / /testlibrary /test/lib 29 * @library ../common/patches 30 * @modules java.base/jdk.internal.org.objectweb.asm 31 * java.base/jdk.internal.org.objectweb.asm.tree 32 * jdk.vm.ci/jdk.vm.ci.hotspot 33 * jdk.vm.ci/jdk.vm.ci.code 34 * jdk.vm.ci/jdk.vm.ci.meta 35 * @ignore 8139703 36 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 37 * @build compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest 38 * @build sun.hotspot.WhiteBox 39 * @run main ClassFileInstaller sun.hotspot.WhiteBox 40 * sun.hotspot.WhiteBox$WhiteBoxPermission 41 * @run main/othervm -Xbootclasspath/a:. 42 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 43 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 44 * -XX:CompileCommand=exclude,*::check 45 * -XX:+DoEscapeAnalysis 46 * -Xbatch 47 * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=false 48 * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest 49 * @run main/othervm -Xbootclasspath/a:. 50 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 51 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 52 * -XX:CompileCommand=exclude,*::check 53 * -XX:+DoEscapeAnalysis 54 * -Xbatch 55 * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=true 56 * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest 57 */ 58 59 package compiler.jvmci.compilerToVM; 60 61 import java.lang.reflect.Method; 62 import jdk.vm.ci.hotspot.HotSpotStackFrameReference; 63 import jdk.vm.ci.meta.ResolvedJavaMethod; 64 import jdk.vm.ci.hotspot.CompilerToVMHelper; 65 import jdk.test.lib.Asserts; 66 67 import compiler.jvmci.common.CTVMUtilities; 68 import compiler.testlibrary.CompilerUtils; 69 70 import sun.hotspot.WhiteBox; 71 72 public class MaterializeVirtualObjectTest { 73 private static final WhiteBox WB = WhiteBox.getWhiteBox(); 74 private static final Method METHOD; 75 private static final ResolvedJavaMethod RESOLVED_METHOD; 76 private static final boolean INVALIDATE = Boolean.getBoolean( 77 "compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate"); 78 79 static { 80 try { 81 METHOD = MaterializeVirtualObjectTest.class.getDeclaredMethod( 82 "testFrame", String.class, boolean.class); 83 } catch (NoSuchMethodException e) { 84 throw new Error("Can't get executable for test method", e); 85 } 86 RESOLVED_METHOD = CTVMUtilities.getResolvedMethod(METHOD); 87 } 88 89 public static void main(String[] args) { 90 int levels[] = CompilerUtils.getAvailableCompilationLevels(); 91 // we need compilation level 4 to use EscapeAnalysis 92 if (levels.length < 1 || levels[levels.length - 1] != 4) { 93 System.out.println("INFO: Test needs compilation level 4 to" 94 + " be available. Skipping."); 95 } else { 96 new MaterializeVirtualObjectTest().test(); 97 } 98 } 99 100 private static String getName() { 101 return "CASE: invalidate=" + INVALIDATE; 102 } 103 104 private void test() { 105 System.out.println(getName()); 106 Asserts.assertFalse(WB.isMethodCompiled(METHOD), getName() 107 + " : method unexpectedly compiled"); 108 /* need to call testFrame at least once to be able to compile it, so 109 calling with materialize=false, because testFrame is not compiled */ 110 testFrame("someString", /* materialize= */ false); 111 WB.enqueueMethodForCompilation(METHOD, 4); 112 Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName() 113 + "Method unexpectedly not compiled"); 114 // calling with materialize=true to materialize compiled testFrame 115 testFrame("someString", /* materialize= */ true); 116 } 117 118 private void testFrame(String str, boolean materialize) { 119 Helper helper = new Helper(str); 120 check(materialize); 121 Asserts.assertTrue((helper.string != null) && (this != null) 122 && (helper != null), getName() + " : some locals are null"); 123 } 124 125 private void check(boolean materialize) { 126 // Materialize virtual objects on last invocation 127 if (materialize) { 128 HotSpotStackFrameReference hsFrame = CompilerToVMHelper 129 .getNextStackFrame(/* topmost frame */ null, 130 new ResolvedJavaMethod[]{ 131 RESOLVED_METHOD}, /* don't skip any */ 0); 132 Asserts.assertNotNull(hsFrame, getName() + " : got null frame"); 133 Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName() 134 + "Test method should be compiled"); 135 Asserts.assertTrue(hsFrame.hasVirtualObjects(), getName() 136 + ": has no virtual object before materialization"); 137 CompilerToVMHelper.materializeVirtualObjects(hsFrame, INVALIDATE); 138 Asserts.assertFalse(hsFrame.hasVirtualObjects(), getName() 139 + " : has virtual object after materialization"); 140 Asserts.assertEQ(WB.isMethodCompiled(METHOD), !INVALIDATE, getName() 141 + " : unexpected compiled status"); 142 } 143 } 144 145 private class Helper { 146 public String string; 147 148 public Helper(String s) { 149 this.string = s; 150 } 151 } 152 }