| /* |
| * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 8136421 |
| * @requires vm.jvmci |
| * @library /test/lib / |
| * @library ../common/patches |
| * @modules java.base/jdk.internal.misc |
| * @modules java.base/jdk.internal.org.objectweb.asm |
| * java.base/jdk.internal.org.objectweb.asm.tree |
| * jdk.internal.vm.ci/jdk.vm.ci.hotspot |
| * jdk.internal.vm.ci/jdk.vm.ci.code |
| * |
| * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
| * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -XX:-BackgroundCompilation |
| * compiler.jvmci.compilerToVM.AllocateCompileIdTest |
| */ |
| |
| package compiler.jvmci.compilerToVM; |
| |
| import compiler.jvmci.common.CTVMUtilities; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.util.Pair; |
| import jdk.test.lib.Utils; |
| import jdk.vm.ci.hotspot.CompilerToVMHelper; |
| import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; |
| import sun.hotspot.code.NMethod; |
| |
| import java.lang.reflect.Executable; |
| import java.lang.reflect.Method; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| public class AllocateCompileIdTest { |
| |
| private static final int SOME_REPEAT_VALUE = 5; |
| private final HashSet<Integer> ids = new HashSet<>(); |
| |
| public static void main(String[] args) { |
| AllocateCompileIdTest test = new AllocateCompileIdTest(); |
| createTestCasesCorrectBci().forEach(test::runSanityCorrectTest); |
| createTestCasesIncorrectBci().forEach(test::runSanityIncorrectTest); |
| } |
| |
| private static List<CompileCodeTestCase> createTestCasesCorrectBci() { |
| List<CompileCodeTestCase> result = new ArrayList<>(); |
| try { |
| Class<?> aClass = DummyClass.class; |
| Method method = aClass.getMethod("withLoop"); |
| Object receiver = new DummyClass(); |
| result.add(new CompileCodeTestCase(receiver, method, 17)); |
| result.add(new CompileCodeTestCase(receiver, method, -1)); |
| } catch (NoSuchMethodException e) { |
| throw new Error("TEST BUG : " + e, e); |
| } |
| return result; |
| } |
| |
| private static List<Pair<CompileCodeTestCase, Class<? extends Throwable>>> |
| createTestCasesIncorrectBci() { |
| List<Pair<CompileCodeTestCase, Class<? extends Throwable>>> result |
| = new ArrayList<>(); |
| try { |
| Class<?> aClass = DummyClass.class; |
| Object receiver = new DummyClass(); |
| Method method = aClass.getMethod("dummyInstanceFunction"); |
| // greater than bytecode.length |
| byte[] bytecode = CompilerToVMHelper.getBytecode(CTVMUtilities |
| .getResolvedMethod(method)); |
| Stream.of( |
| // greater than bytecode.length |
| bytecode.length + 4, |
| bytecode.length + 50, |
| bytecode.length + 200, |
| // negative cases |
| -4, -50, -200) |
| .map(bci -> new Pair<CompileCodeTestCase, |
| Class<? extends Throwable>>( |
| new CompileCodeTestCase(receiver, method, bci), |
| IllegalArgumentException.class)) |
| .collect(Collectors.toList()); |
| } catch (NoSuchMethodException e) { |
| throw new Error("TEST BUG : " + e.getMessage(), e); |
| } |
| return result; |
| } |
| |
| private void runSanityCorrectTest(CompileCodeTestCase testCase) { |
| System.out.println(testCase); |
| Executable aMethod = testCase.executable; |
| // to generate ciTypeFlow |
| testCase.invoke(Utils.getNullValues(aMethod.getParameterTypes())); |
| int bci = testCase.bci; |
| HotSpotResolvedJavaMethod method = CTVMUtilities |
| .getResolvedMethod(aMethod); |
| for (int i = 0; i < SOME_REPEAT_VALUE; ++i) { |
| int wbCompileID = getWBCompileID(testCase); |
| int id = CompilerToVMHelper.allocateCompileId(method, bci); |
| Asserts.assertNE(id, 0, testCase + " : zero compile id"); |
| Asserts.assertGT(id, wbCompileID, testCase |
| + " : allocated 'compile id' not greater than existed"); |
| Asserts.assertTrue(ids.add(wbCompileID), testCase |
| + " : vm compilation allocated existing id " + id); |
| Asserts.assertTrue(ids.add(id), testCase |
| + " : allocateCompileId returned existing id " + id); |
| } |
| } |
| |
| private void runSanityIncorrectTest( |
| Pair<CompileCodeTestCase, Class<? extends Throwable>> testCase) { |
| System.out.println(testCase); |
| Class<? extends Throwable> exception = testCase.second; |
| Executable aMethod = testCase.first.executable; |
| int bci = testCase.first.bci; |
| HotSpotResolvedJavaMethod method = CTVMUtilities |
| .getResolvedMethod(aMethod); |
| Utils.runAndCheckException( |
| () -> CompilerToVMHelper.allocateCompileId(method, bci), |
| exception); |
| } |
| |
| private int getWBCompileID(CompileCodeTestCase testCase) { |
| NMethod nm = testCase.deoptimizeAndCompile(); |
| if (nm == null || nm.compile_id <= 0) { |
| throw new Error("TEST BUG : cannot compile method " + testCase); |
| } |
| return nm.compile_id; |
| } |
| } |