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/*
* 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
* @clean compiler.jvmci.compilerToVM.*
* @compile -g DummyInterface.java
* @compile -g DummyAbstractClass.java
* @compile -g DummyClass.java
* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
* -Djvmci.Compiler=null
* compiler.jvmci.compilerToVM.GetLocalVariableTableTest
* @clean compiler.jvmci.compilerToVM.*
*/
package compiler.jvmci.compilerToVM;
import compiler.jvmci.common.CTVMUtilities;
import jdk.test.lib.Asserts;
import jdk.vm.ci.hotspot.CompilerToVMHelper;
import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
import java.lang.reflect.Executable;
import java.util.HashMap;
import java.util.Map;
public class GetLocalVariableTableTest {
public static final int MAIN_LOCALS_COUNT = 0;
public static final int INSTANCE_LOCALS_COUNT = 4;
public static final int EMPTY_INSTANCE_COUNT = 1;
public static final int EMPTY_STATIC_COUNT = 0;
public static final int ABSTRACT_INHERIT_LOCALS_COUNT = 2;
public static final int DEFAULTFUNC_LOCALS_COUNT = 4;
public static void main(String[] args) {
Map<Executable, Integer> testCases = createTestCases();
testCases.forEach(GetLocalVariableTableTest::runSanityTest);
}
private static Map<Executable, Integer> createTestCases() {
HashMap<Executable, Integer> methods = new HashMap<>();
try {
Class<?> aClass;
aClass = GetLocalVariableTableTest.class;
methods.put(aClass.getDeclaredMethod("main", String[].class),
MAIN_LOCALS_COUNT);
aClass = DummyClass.class;
methods.put(aClass.getMethod("dummyInstanceFunction"),
INSTANCE_LOCALS_COUNT);
methods.put(aClass.getMethod("dummyEmptyInstanceFunction"),
EMPTY_INSTANCE_COUNT);
methods.put(aClass.getMethod("dummyEmptyStaticFunction"),
EMPTY_STATIC_COUNT);
methods.put(aClass.getMethod("dummyFunction"),
EMPTY_INSTANCE_COUNT);
methods.put(aClass.getMethod("dummyAbstractFunction"),
ABSTRACT_INHERIT_LOCALS_COUNT);
aClass = DummyInterface.class;
methods.put(aClass.getMethod("dummyFunction"), EMPTY_STATIC_COUNT);
methods.put(aClass.getMethod("dummyDefaultFunction", int.class,
int.class), DEFAULTFUNC_LOCALS_COUNT);
aClass = DummyAbstractClass.class;
methods.put(aClass.getMethod("dummyAbstractFunction"), 0);
} catch (NoSuchMethodException e) {
throw new Error("TEST BUG", e);
}
return methods;
}
private static void runSanityTest(Executable aMethod,
Integer expectedTableLength) {
HotSpotResolvedJavaMethod method = CTVMUtilities
.getResolvedMethod(aMethod);
int tblLength = CompilerToVMHelper.getLocalVariableTableLength(method);
Asserts.assertEQ(tblLength, expectedTableLength, aMethod + " : incorrect "
+ "local variable table length.");
long tblStart = CompilerToVMHelper.getLocalVariableTableStart(method);
if (tblLength > 0) {
Asserts.assertNE(tblStart, 0L, aMethod + " : local variable table starts"
+ " at 0 with length " + tblLength);
}
}
}
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