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 (os.simpleArch == "x64" | os.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 DebugInfoTest.java TestAssembler.java amd64/AMD64TestAssembler.java sparc/SPARCTestAssembler.java 36 * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI compiler.jvmci.code.InterpreterFrameSizeTest 37 */ 38 39 package compiler.jvmci.code; 40 41 import java.lang.reflect.Method; 42 43 import jdk.vm.ci.code.BytecodeFrame; 44 import jdk.vm.ci.meta.JavaKind; 45 import jdk.vm.ci.meta.JavaValue; 46 import jdk.vm.ci.meta.ResolvedJavaMethod; 47 48 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider; 49 50 import org.junit.Assert; 51 import org.junit.Test; 52 53 public class InterpreterFrameSizeTest extends CodeInstallationTest { 54 55 HotSpotCodeCacheProvider hotspotCodeCache() { 56 return (HotSpotCodeCacheProvider) codeCache; 57 } 58 59 @Test 60 public void testNull() { 61 try { 62 hotspotCodeCache().interpreterFrameSize(null); 63 } catch (NullPointerException npe) { 64 System.out.println("threw NPE as expected"); 65 return; 66 } 67 Assert.fail("expected NullPointerException"); 68 } 69 70 @Test 71 public void test() { 72 ResolvedJavaMethod resolvedMethod = metaAccess.lookupJavaMethod(getMethod("testNull")); 73 74 int bci = 0; 75 int numLocals = resolvedMethod.getMaxLocals(); 76 int numStack = 0; 77 JavaValue[] values = new JavaValue[numLocals]; 78 JavaKind[] slotKinds = new JavaKind[numLocals]; 79 BytecodeFrame frame = new BytecodeFrame(null, resolvedMethod, bci, false, false, values, slotKinds, numLocals, numStack, 0); 80 int size = hotspotCodeCache().interpreterFrameSize(frame); 81 System.out.println("Frame size is " + size + " bytes"); 82 if (size <= 0) { 83 Assert.fail("expected non-zero result"); 84 } 85 } 86 }