author | kvn |
Fri, 07 Jun 2019 13:57:08 -0700 | |
changeset 55295 | 14283f280695 |
parent 54669 | ad45b3802d4e |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @bug 8136421 |
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* @requires vm.jvmci |
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* @library /test/lib / |
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* @library ../common/patches |
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* @modules java.base/jdk.internal.misc |
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* @modules java.base/jdk.internal.org.objectweb.asm |
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* java.base/jdk.internal.org.objectweb.asm.tree |
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* jdk.internal.vm.ci/jdk.vm.ci.hotspot |
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* jdk.internal.vm.ci/jdk.vm.ci.code |
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* |
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* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper |
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* @build sun.hotspot.WhiteBox |
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* compiler.jvmci.compilerToVM.DisassembleCodeBlobTest |
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* @run driver ClassFileInstaller sun.hotspot.WhiteBox |
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* sun.hotspot.WhiteBox$WhiteBoxPermission |
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* @run main/othervm -Xbootclasspath/a:. |
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* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
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* -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
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* -XX:-BackgroundCompilation |
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* compiler.jvmci.compilerToVM.DisassembleCodeBlobTest |
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*/ |
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package compiler.jvmci.compilerToVM; |
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import jdk.test.lib.Asserts; |
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import jdk.test.lib.Utils; |
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import jdk.vm.ci.code.InstalledCode; |
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import jdk.vm.ci.hotspot.CompilerToVMHelper; |
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import sun.hotspot.code.NMethod; |
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import java.util.List; |
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public class DisassembleCodeBlobTest { |
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public static void main(String[] args) { |
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DisassembleCodeBlobTest test |
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= new DisassembleCodeBlobTest(); |
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List<CompileCodeTestCase> testCases |
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= CompileCodeTestCase.generate(/* bci = */ -1); |
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testCases.forEach(test::check); |
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testCases.stream().findAny().ifPresent(test::checkZero); |
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test.checkNull(); |
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} |
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private void checkNull() { |
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Utils.runAndCheckException( |
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() -> { CompilerToVMHelper.disassembleCodeBlob(null); }, |
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NullPointerException.class); |
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} |
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private void checkZero(CompileCodeTestCase testCase) { |
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System.out.println("checkZero for " + testCase); |
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testCase.deoptimize(); |
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InstalledCode installedCode = testCase.toInstalledCode(); |
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String str = CompilerToVMHelper.disassembleCodeBlob(installedCode); |
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Asserts.assertNull(str, testCase |
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+ " : non-null return value for invalid installCode"); |
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} |
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private void check(CompileCodeTestCase testCase) { |
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System.out.println(testCase); |
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// to have a clean state |
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NMethod nMethod = testCase.deoptimizeAndCompile(); |
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if (nMethod == null) { |
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throw new Error(testCase + " : method is not compiled"); |
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} |
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InstalledCode installedCode = testCase.toInstalledCode(); |
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String str1 = CompilerToVMHelper.disassembleCodeBlob(installedCode); |
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if (str1 != null) { |
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Asserts.assertGT(str1.length(), 0, |
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testCase + " : returned string has to be non-zero length"); |
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} |
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// The very first call to the disassembler contains a string specifying the |
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// architecture: [Disassembling for mach='i386:x86-64'] |
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// Therefore compare strings 2 and 3. |
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String str2 = CompilerToVMHelper.disassembleCodeBlob(installedCode); |
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String str3 = CompilerToVMHelper.disassembleCodeBlob(installedCode); |
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Asserts.assertEQ(str2, str3, |
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testCase + " : 3nd invocation returned different value from 2nd"); |
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} |
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} |