Mercurial > hg > truffle
changeset 19340:60ec7b23b7af
Rename ClassSubstitutions to HotSpotClassSubstitutions
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--- a/graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/HotSpotMethodSubstitutionTest.java Thu Feb 12 23:28:47 2015 +0100 +++ b/graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/HotSpotMethodSubstitutionTest.java Thu Feb 12 15:00:00 2015 -0800 @@ -75,14 +75,14 @@ test("getComponentType"); for (Class<?> c : new Class[]{getClass(), Cloneable.class, int[].class, String[][].class}) { - assertDeepEquals(c.getModifiers(), ClassSubstitutions.getModifiers(c)); - assertDeepEquals(c.isInterface(), ClassSubstitutions.isInterface(c)); - assertDeepEquals(c.isArray(), ClassSubstitutions.isArray(c)); - assertDeepEquals(c.isPrimitive(), ClassSubstitutions.isPrimitive(c)); - assertDeepEquals(c.getSuperclass(), ClassSubstitutions.getSuperclass(c)); - assertDeepEquals(c.getComponentType(), ClassSubstitutions.getComponentType(c)); + assertDeepEquals(c.getModifiers(), HotSpotClassSubstitutions.getModifiers(c)); + assertDeepEquals(c.isInterface(), HotSpotClassSubstitutions.isInterface(c)); + assertDeepEquals(c.isArray(), HotSpotClassSubstitutions.isArray(c)); + assertDeepEquals(c.isPrimitive(), HotSpotClassSubstitutions.isPrimitive(c)); + assertDeepEquals(c.getSuperclass(), HotSpotClassSubstitutions.getSuperclass(c)); + assertDeepEquals(c.getComponentType(), HotSpotClassSubstitutions.getComponentType(c)); for (Object o : new Object[]{this, new int[5], new String[2][], new Object()}) { - assertDeepEquals(c.isInstance(o), ClassSubstitutions.isInstance(c, o)); + assertDeepEquals(c.isInstance(o), HotSpotClassSubstitutions.isInstance(c, o)); } } }
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassCastNode.java Thu Feb 12 23:28:47 2015 +0100 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassCastNode.java Thu Feb 12 15:00:00 2015 -0800 @@ -33,7 +33,7 @@ /** * {@link MacroNode Macro node} for {@link Class#cast(Object)}. * - * @see ClassSubstitutions#cast(Class, Object) + * @see HotSpotClassSubstitutions#cast(Class, Object) */ @NodeInfo public final class ClassCastNode extends MacroStateSplitNode implements Canonicalizable.Binary<ValueNode> {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetClassLoader0Node.java Thu Feb 12 23:28:47 2015 +0100 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetClassLoader0Node.java Thu Feb 12 15:00:00 2015 -0800 @@ -34,7 +34,7 @@ /** * {@link MacroNode Macro node} for {@link Class#getClassLoader0()}. * - * @see ClassSubstitutions#getClassLoader0(Class) + * @see HotSpotClassSubstitutions#getClassLoader0(Class) */ @SuppressWarnings("javadoc") @NodeInfo
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetComponentTypeNode.java Thu Feb 12 23:28:47 2015 +0100 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetComponentTypeNode.java Thu Feb 12 15:00:00 2015 -0800 @@ -34,7 +34,7 @@ /** * {@link MacroNode Macro node} for {@link Class#getComponentType()}. * - * @see ClassSubstitutions#getComponentType(Class) + * @see HotSpotClassSubstitutions#getComponentType(Class) */ @NodeInfo public final class ClassGetComponentTypeNode extends MacroNode implements Canonicalizable {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetModifiersNode.java Thu Feb 12 23:28:47 2015 +0100 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetModifiersNode.java Thu Feb 12 15:00:00 2015 -0800 @@ -33,7 +33,7 @@ /** * {@link MacroNode Macro node} for {@link Class#getModifiers()}. * - * @see ClassSubstitutions#getModifiers(Class) + * @see HotSpotClassSubstitutions#getModifiers(Class) */ @NodeInfo public final class ClassGetModifiersNode extends MacroNode implements Canonicalizable {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetSuperclassNode.java Thu Feb 12 23:28:47 2015 +0100 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassGetSuperclassNode.java Thu Feb 12 15:00:00 2015 -0800 @@ -34,7 +34,7 @@ /** * {@link MacroNode Macro node} for {@link Class#getSuperclass()}. * - * @see ClassSubstitutions#getSuperclass(Class) + * @see HotSpotClassSubstitutions#getSuperclass(Class) */ @NodeInfo public final class ClassGetSuperclassNode extends MacroNode implements Canonicalizable {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsArrayNode.java Thu Feb 12 23:28:47 2015 +0100 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsArrayNode.java Thu Feb 12 15:00:00 2015 -0800 @@ -33,7 +33,7 @@ /** * {@link MacroNode Macro node} for {@link Class#isArray()}. * - * @see ClassSubstitutions#isArray(Class) + * @see HotSpotClassSubstitutions#isArray(Class) */ @NodeInfo public final class ClassIsArrayNode extends MacroNode implements Canonicalizable {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsAssignableFromNode.java Thu Feb 12 23:28:47 2015 +0100 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsAssignableFromNode.java Thu Feb 12 15:00:00 2015 -0800 @@ -33,7 +33,7 @@ /** * {@link MacroNode Macro node} for {@link Class#isAssignableFrom(Class)}. * - * @see ClassSubstitutions#isAssignableFrom(Class, Class) + * @see HotSpotClassSubstitutions#isAssignableFrom(Class, Class) */ @NodeInfo public final class ClassIsAssignableFromNode extends MacroStateSplitNode implements Canonicalizable {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsInstanceNode.java Thu Feb 12 23:28:47 2015 +0100 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsInstanceNode.java Thu Feb 12 15:00:00 2015 -0800 @@ -35,7 +35,7 @@ /** * {@link MacroNode Macro node} for {@link Class#isInstance(Object)}. * - * @see ClassSubstitutions#isInstance(Class, Object) + * @see HotSpotClassSubstitutions#isInstance(Class, Object) */ @NodeInfo public final class ClassIsInstanceNode extends MacroNode implements Canonicalizable {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsInterfaceNode.java Thu Feb 12 23:28:47 2015 +0100 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsInterfaceNode.java Thu Feb 12 15:00:00 2015 -0800 @@ -33,7 +33,7 @@ /** * {@link MacroNode Macro node} for {@link Class#isInterface()}. * - * @see ClassSubstitutions#isInterface(Class) + * @see HotSpotClassSubstitutions#isInterface(Class) */ @NodeInfo public final class ClassIsInterfaceNode extends MacroNode implements Canonicalizable {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsPrimitiveNode.java Thu Feb 12 23:28:47 2015 +0100 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsPrimitiveNode.java Thu Feb 12 15:00:00 2015 -0800 @@ -33,7 +33,7 @@ /** * {@link MacroNode Macro node} for {@link Class#isPrimitive()}. * - * @see ClassSubstitutions#isPrimitive(Class) + * @see HotSpotClassSubstitutions#isPrimitive(Class) */ @NodeInfo public final class ClassIsPrimitiveNode extends MacroNode implements Canonicalizable {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ClassSubstitutions.java Thu Feb 12 23:28:47 2015 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,160 +0,0 @@ -/* - * Copyright (c) 2012, 2014, 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. - */ -package com.oracle.graal.hotspot.replacements; - -import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*; -import static com.oracle.graal.nodes.PiNode.*; - -import java.lang.reflect.*; - -import com.oracle.graal.api.meta.*; -import com.oracle.graal.api.replacements.*; -import com.oracle.graal.hotspot.nodes.*; -import com.oracle.graal.hotspot.word.*; -import com.oracle.graal.nodes.*; -import com.oracle.graal.nodes.calc.*; -import com.oracle.graal.nodes.extended.*; -import com.oracle.graal.nodes.spi.*; -import com.oracle.graal.word.*; - -/** - * Substitutions for {@link java.lang.Class} methods. - */ -@ClassSubstitution(java.lang.Class.class) -public class ClassSubstitutions { - - @MacroSubstitution(macro = ClassGetModifiersNode.class, isStatic = false) - @MethodSubstitution(isStatic = false, forced = true) - public static int getModifiers(final Class<?> thisObj) { - KlassPointer klass = ClassGetHubNode.readClass(thisObj); - if (klass.isNull()) { - // Class for primitive type - return Modifier.ABSTRACT | Modifier.FINAL | Modifier.PUBLIC; - } else { - return klass.readInt(klassModifierFlagsOffset(), KLASS_MODIFIER_FLAGS_LOCATION); - } - } - - // This MacroSubstitution should be removed once non-null klass pointers can be optimized - @MacroSubstitution(macro = ClassIsInterfaceNode.class, isStatic = false) - @MethodSubstitution(isStatic = false, forced = true) - public static boolean isInterface(final Class<?> thisObj) { - KlassPointer klass = ClassGetHubNode.readClass(thisObj); - if (klass.isNull()) { - return false; - } else { - int accessFlags = klass.readInt(klassAccessFlagsOffset(), KLASS_ACCESS_FLAGS_LOCATION); - return (accessFlags & Modifier.INTERFACE) != 0; - } - } - - // This MacroSubstitution should be removed once non-null klass pointers can be optimized - @MacroSubstitution(macro = ClassIsArrayNode.class, isStatic = false) - @MethodSubstitution(isStatic = false, forced = true) - public static boolean isArray(final Class<?> thisObj) { - KlassPointer klass = ClassGetHubNode.readClass(thisObj); - if (klass.isNull()) { - return false; - } else { - return klassIsArray(klass); - } - } - - // This MacroSubstitution should be removed once non-null klass pointers can be optimized - @MacroSubstitution(macro = ClassIsPrimitiveNode.class, isStatic = false) - @MethodSubstitution(isStatic = false, forced = true) - public static boolean isPrimitive(final Class<?> thisObj) { - KlassPointer klass = ClassGetHubNode.readClass(thisObj); - return klass.isNull(); - } - - @MacroSubstitution(macro = ClassGetClassLoader0Node.class, isStatic = false) - public static native ClassLoader getClassLoader0(Class<?> thisObj); - - @MacroSubstitution(macro = ClassGetSuperclassNode.class, isStatic = false) - @MethodSubstitution(isStatic = false) - public static Class<?> getSuperclass(final Class<?> thisObj) { - KlassPointer klass = ClassGetHubNode.readClass(thisObj); - if (!klass.isNull()) { - int accessFlags = klass.readInt(klassAccessFlagsOffset(), KLASS_ACCESS_FLAGS_LOCATION); - if ((accessFlags & Modifier.INTERFACE) == 0) { - if (klassIsArray(klass)) { - return Object.class; - } else { - Word superKlass = klass.readWord(klassSuperKlassOffset(), KLASS_SUPER_KLASS_LOCATION); - if (superKlass.equal(0)) { - return null; - } else { - return readJavaMirror(superKlass); - } - } - } - } - return null; - } - - public static Class<?> readJavaMirror(Word klass) { - return piCastExactNonNull(klass.readObject(classMirrorOffset(), CLASS_MIRROR_LOCATION), Class.class); - } - - @MacroSubstitution(macro = ClassGetComponentTypeNode.class, isStatic = false) - @MethodSubstitution(isStatic = false) - public static Class<?> getComponentType(final Class<?> thisObj) { - KlassPointer klass = ClassGetHubNode.readClass(thisObj); - if (!klass.isNull()) { - if (klassIsArray(klass)) { - return piCastExactNonNull(klass.readObject(arrayKlassComponentMirrorOffset(), ARRAY_KLASS_COMPONENT_MIRROR), Class.class); - } - } - return null; - } - - @MacroSubstitution(macro = ClassIsInstanceNode.class, isStatic = false) - @MethodSubstitution(isStatic = false) - public static boolean isInstance(Class<?> thisObj, Object obj) { - return ConditionalNode.materializeIsInstance(thisObj, obj); - } - - @MacroSubstitution(macro = ClassIsAssignableFromNode.class, isStatic = false) - @MethodSubstitution(isStatic = false) - public static boolean isAssignableFrom(Class<?> thisClass, Class<?> otherClass) { - if (BranchProbabilityNode.probability(BranchProbabilityNode.NOT_LIKELY_PROBABILITY, otherClass == null)) { - DeoptimizeNode.deopt(DeoptimizationAction.InvalidateReprofile, DeoptimizationReason.NullCheckException); - return false; - } - GuardingNode anchorNode = SnippetAnchorNode.anchor(); - KlassPointer thisHub = ClassGetHubNode.readClass(thisClass, anchorNode); - KlassPointer otherHub = ClassGetHubNode.readClass(otherClass, anchorNode); - if (thisHub.isNull() || otherHub.isNull()) { - // primitive types, only true if equal. - return thisClass == otherClass; - } - if (!TypeCheckSnippetUtils.checkUnknownSubType(thisHub, otherHub)) { - return false; - } - return true; - } - - @MacroSubstitution(macro = ClassCastNode.class, isStatic = false) - public static native Object cast(final Class<?> thisObj, Object obj); -}
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CompilerToVMImplSubstitutions.java Thu Feb 12 23:28:47 2015 +0100 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CompilerToVMImplSubstitutions.java Thu Feb 12 15:00:00 2015 -0800 @@ -34,6 +34,6 @@ @MethodSubstitution(isStatic = false) public static Class<?> getJavaMirror(@SuppressWarnings("unused") CompilerToVMImpl impl, long metaspaceklass) { - return ClassSubstitutions.readJavaMirror(Word.unsigned(metaspaceklass)); + return HotSpotClassSubstitutions.readJavaMirror(Word.unsigned(metaspaceklass)); } }
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/HotSpotClassSubstitutions.java Thu Feb 12 15:00:00 2015 -0800 @@ -0,0 +1,160 @@ +/* + * Copyright (c) 2012, 2014, 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. + */ +package com.oracle.graal.hotspot.replacements; + +import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*; +import static com.oracle.graal.nodes.PiNode.*; + +import java.lang.reflect.*; + +import com.oracle.graal.api.meta.*; +import com.oracle.graal.api.replacements.*; +import com.oracle.graal.hotspot.nodes.*; +import com.oracle.graal.hotspot.word.*; +import com.oracle.graal.nodes.*; +import com.oracle.graal.nodes.calc.*; +import com.oracle.graal.nodes.extended.*; +import com.oracle.graal.nodes.spi.*; +import com.oracle.graal.word.*; + +/** + * Substitutions for {@link java.lang.Class} methods. + */ +@ClassSubstitution(java.lang.Class.class) +public class HotSpotClassSubstitutions { + + @MacroSubstitution(macro = ClassGetModifiersNode.class, isStatic = false) + @MethodSubstitution(isStatic = false, forced = true) + public static int getModifiers(final Class<?> thisObj) { + KlassPointer klass = ClassGetHubNode.readClass(thisObj); + if (klass.isNull()) { + // Class for primitive type + return Modifier.ABSTRACT | Modifier.FINAL | Modifier.PUBLIC; + } else { + return klass.readInt(klassModifierFlagsOffset(), KLASS_MODIFIER_FLAGS_LOCATION); + } + } + + // This MacroSubstitution should be removed once non-null klass pointers can be optimized + @MacroSubstitution(macro = ClassIsInterfaceNode.class, isStatic = false) + @MethodSubstitution(isStatic = false, forced = true) + public static boolean isInterface(final Class<?> thisObj) { + KlassPointer klass = ClassGetHubNode.readClass(thisObj); + if (klass.isNull()) { + return false; + } else { + int accessFlags = klass.readInt(klassAccessFlagsOffset(), KLASS_ACCESS_FLAGS_LOCATION); + return (accessFlags & Modifier.INTERFACE) != 0; + } + } + + // This MacroSubstitution should be removed once non-null klass pointers can be optimized + @MacroSubstitution(macro = ClassIsArrayNode.class, isStatic = false) + @MethodSubstitution(isStatic = false, forced = true) + public static boolean isArray(final Class<?> thisObj) { + KlassPointer klass = ClassGetHubNode.readClass(thisObj); + if (klass.isNull()) { + return false; + } else { + return klassIsArray(klass); + } + } + + // This MacroSubstitution should be removed once non-null klass pointers can be optimized + @MacroSubstitution(macro = ClassIsPrimitiveNode.class, isStatic = false) + @MethodSubstitution(isStatic = false, forced = true) + public static boolean isPrimitive(final Class<?> thisObj) { + KlassPointer klass = ClassGetHubNode.readClass(thisObj); + return klass.isNull(); + } + + @MacroSubstitution(macro = ClassGetClassLoader0Node.class, isStatic = false) + public static native ClassLoader getClassLoader0(Class<?> thisObj); + + @MacroSubstitution(macro = ClassGetSuperclassNode.class, isStatic = false) + @MethodSubstitution(isStatic = false) + public static Class<?> getSuperclass(final Class<?> thisObj) { + KlassPointer klass = ClassGetHubNode.readClass(thisObj); + if (!klass.isNull()) { + int accessFlags = klass.readInt(klassAccessFlagsOffset(), KLASS_ACCESS_FLAGS_LOCATION); + if ((accessFlags & Modifier.INTERFACE) == 0) { + if (klassIsArray(klass)) { + return Object.class; + } else { + Word superKlass = klass.readWord(klassSuperKlassOffset(), KLASS_SUPER_KLASS_LOCATION); + if (superKlass.equal(0)) { + return null; + } else { + return readJavaMirror(superKlass); + } + } + } + } + return null; + } + + public static Class<?> readJavaMirror(Word klass) { + return piCastExactNonNull(klass.readObject(classMirrorOffset(), CLASS_MIRROR_LOCATION), Class.class); + } + + @MacroSubstitution(macro = ClassGetComponentTypeNode.class, isStatic = false) + @MethodSubstitution(isStatic = false) + public static Class<?> getComponentType(final Class<?> thisObj) { + KlassPointer klass = ClassGetHubNode.readClass(thisObj); + if (!klass.isNull()) { + if (klassIsArray(klass)) { + return piCastExactNonNull(klass.readObject(arrayKlassComponentMirrorOffset(), ARRAY_KLASS_COMPONENT_MIRROR), Class.class); + } + } + return null; + } + + @MacroSubstitution(macro = ClassIsInstanceNode.class, isStatic = false) + @MethodSubstitution(isStatic = false) + public static boolean isInstance(Class<?> thisObj, Object obj) { + return ConditionalNode.materializeIsInstance(thisObj, obj); + } + + @MacroSubstitution(macro = ClassIsAssignableFromNode.class, isStatic = false) + @MethodSubstitution(isStatic = false) + public static boolean isAssignableFrom(Class<?> thisClass, Class<?> otherClass) { + if (BranchProbabilityNode.probability(BranchProbabilityNode.NOT_LIKELY_PROBABILITY, otherClass == null)) { + DeoptimizeNode.deopt(DeoptimizationAction.InvalidateReprofile, DeoptimizationReason.NullCheckException); + return false; + } + GuardingNode anchorNode = SnippetAnchorNode.anchor(); + KlassPointer thisHub = ClassGetHubNode.readClass(thisClass, anchorNode); + KlassPointer otherHub = ClassGetHubNode.readClass(otherClass, anchorNode); + if (thisHub.isNull() || otherHub.isNull()) { + // primitive types, only true if equal. + return thisClass == otherClass; + } + if (!TypeCheckSnippetUtils.checkUnknownSubType(thisHub, otherHub)) { + return false; + } + return true; + } + + @MacroSubstitution(macro = ClassCastNode.class, isStatic = false) + public static native Object cast(final Class<?> thisObj, Object obj); +}
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/HotSpotSubstitutions.java Thu Feb 12 23:28:47 2015 +0100 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/HotSpotSubstitutions.java Thu Feb 12 15:00:00 2015 -0800 @@ -60,7 +60,7 @@ replacements.registerSubstitutions(System.class, SystemSubstitutions.class); replacements.registerSubstitutions(Thread.class, ThreadSubstitutions.class); replacements.registerSubstitutions(Unsafe.class, UnsafeSubstitutions.class); - replacements.registerSubstitutions(Class.class, ClassSubstitutions.class); + replacements.registerSubstitutions(Class.class, HotSpotClassSubstitutions.class); replacements.registerSubstitutions(CRC32.class, CRC32Substitutions.class); replacements.registerSubstitutions(Reflection.class, ReflectionSubstitutions.class); replacements.registerSubstitutions(NodeClass.class, HotSpotNodeClassSubstitutions.class);