1 /* 2 * Copyright (c) 2016, 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 * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9") & os.arch != "aarch64" 27 * @modules jdk.vm.ci/jdk.vm.ci.hotspot 28 * jdk.vm.ci/jdk.vm.ci.code 29 * jdk.vm.ci/jdk.vm.ci.code.site 30 * jdk.vm.ci/jdk.vm.ci.meta 31 * jdk.vm.ci/jdk.vm.ci.runtime 32 * jdk.vm.ci/jdk.vm.ci.common 33 * jdk.vm.ci/jdk.vm.ci.amd64 34 * jdk.vm.ci/jdk.vm.ci.sparc 35 * @compile CodeInstallationTest.java TestAssembler.java TestHotSpotVMConfig.java amd64/AMD64TestAssembler.java sparc/SPARCTestAssembler.java 36 * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI jdk.vm.ci.code.test.InterpreterFrameSizeTest 37 */ 38 39 package jdk.vm.ci.code.test; 40 41 import org.junit.Assert; 42 import org.junit.Test; 43 44 import jdk.vm.ci.code.BytecodeFrame; 45 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider; 46 import jdk.vm.ci.meta.JavaKind; 47 import jdk.vm.ci.meta.JavaValue; 48 import jdk.vm.ci.meta.ResolvedJavaMethod; 49 50 public class InterpreterFrameSizeTest extends CodeInstallationTest { 51 52 HotSpotCodeCacheProvider hotspotCodeCache() { 53 return (HotSpotCodeCacheProvider) codeCache; 54 } 55 56 @Test 57 public void testNull() { 58 try { 59 hotspotCodeCache().interpreterFrameSize(null); 60 } catch (NullPointerException npe) { 61 // Threw NPE as expected. 62 return; 63 } 64 Assert.fail("expected NullPointerException"); 65 } 66 67 @Test 68 public void test() { 69 ResolvedJavaMethod resolvedMethod = metaAccess.lookupJavaMethod(getMethod("testNull")); 70 71 int bci = 0; 72 int numLocals = resolvedMethod.getMaxLocals(); 73 int numStack = 0; 74 JavaValue[] values = new JavaValue[numLocals]; 75 JavaKind[] slotKinds = new JavaKind[numLocals]; 76 BytecodeFrame frame = new BytecodeFrame(null, resolvedMethod, bci, false, false, values, slotKinds, numLocals, numStack, 0); 77 int size = hotspotCodeCache().interpreterFrameSize(frame); 78 if (size <= 0) { 79 Assert.fail("expected non-zero result"); 80 } 81 } 82 }