[GR-60565] Move non-critical DynamicHub fields to companion object.

PullRequest: graal/19637

Author: peter-hofer

substratevm/mx.substratevm/mx_substratevm.py

@@ -2524,6 +2524,8 @@ def capnp_compile(args):
  */
 //@formatter:off
 //Checkstyle: stop
+// Generated via:
+//  $ mx capnp-compile
 """)
         for line in lines:
             if line.startswith("public final class "):

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/graal/meta/DynamicHubOffsets.java

@@ -75,54 +75,20 @@ public class DynamicHubOffsets {
 
     @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
     private int flagsOffset;
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int additionalFlagsOffset;
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int modifiersOffset;
 
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int superHubOffset;
     @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
     private int componentTypeOffset;
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int arrayHubOffset;
-
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int declaringClassOffset;
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int interfacesEncodingOffset;
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int enumConstantsReferenceOffset;
 
     @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
     private int referenceMapIndexOffset;
     @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
     private int layerIdOffset;
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int metaTypeOffset;
-
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int sourceFileNameOffset;
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int classInitializationInfoOffset;
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int moduleOffset;
 
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int nestHostOffset;
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int simpleBinaryNameOffset;
     @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
     private int companionOffset;
 
     @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
     private int signatureOffset;
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int classRedefinedCountOffset;
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int hubMetadataOffset;
-    @UnknownPrimitiveField(availability = BuildPhaseProvider.ReadyForCompilation.class) //
-    private int reflectionMetadataOffset;
 
     @Fold
     public static DynamicHubOffsets singleton() {
@@ -205,38 +171,10 @@ public int getFlagsOffset() {
         return flagsOffset;
     }
 
-    public int getAdditionalFlagsOffset() {
-        return additionalFlagsOffset;
-    }
-
-    public int getModifiersOffset() {
-        return modifiersOffset;
-    }
-
-    public int getSuperHubOffset() {
-        return superHubOffset;
-    }
-
     public int getComponentTypeOffset() {
         return componentTypeOffset;
     }
 
-    public int getArrayHubOffset() {
-        return arrayHubOffset;
-    }
-
-    public int getDeclaringClassOffset() {
-        return declaringClassOffset;
-    }
-
-    public int getInterfacesEncodingOffset() {
-        return interfacesEncodingOffset;
-    }
-
-    public int getEnumConstantsReferenceOffset() {
-        return enumConstantsReferenceOffset;
-    }
-
     public int getReferenceMapIndexOffset() {
         return referenceMapIndexOffset;
     }
@@ -245,30 +183,6 @@ public int getLayerIdOffset() {
         return layerIdOffset;
     }
 
-    public int getMetaTypeOffset() {
-        return metaTypeOffset;
-    }
-
-    public int getSourceFileNameOffset() {
-        return sourceFileNameOffset;
-    }
-
-    public int getClassInitializationInfoOffset() {
-        return classInitializationInfoOffset;
-    }
-
-    public int getModuleOffset() {
-        return moduleOffset;
-    }
-
-    public int getNestHostOffset() {
-        return nestHostOffset;
-    }
-
-    public int getSimpleBinaryNameOffset() {
-        return simpleBinaryNameOffset;
-    }
-
     public int getCompanionOffset() {
         return companionOffset;
     }
@@ -277,18 +191,6 @@ public int getSignatureOffset() {
         return signatureOffset;
     }
 
-    public int getClassRedefinedCountOffset() {
-        return classRedefinedCountOffset;
-    }
-
-    public int getHubMetadataOffset() {
-        return hubMetadataOffset;
-    }
-
-    public int getReflectionMetadataOffset() {
-        return reflectionMetadataOffset;
-    }
-
     public static void writeObject(DynamicHub hub, int offset, Object value) {
         if (offset < 0) {
             /* field removed by analysis */

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/graal/snippets/SubstrateAllocationSnippets.java

@@ -36,8 +36,6 @@
 import java.util.Arrays;
 import java.util.Map;
 
-import com.oracle.svm.core.graal.meta.KnownOffsets;
-import jdk.graal.compiler.core.common.NumUtil;
 import org.graalvm.nativeimage.ImageSingletons;
 import org.graalvm.word.LocationIdentity;
 import org.graalvm.word.UnsignedWord;
@@ -48,6 +46,7 @@
 import com.oracle.svm.core.allocationprofile.AllocationSite;
 import com.oracle.svm.core.config.ConfigurationValues;
 import com.oracle.svm.core.configure.ConfigurationFile;
+import com.oracle.svm.core.graal.meta.KnownOffsets;
 import com.oracle.svm.core.graal.meta.SubstrateForeignCallsProvider;
 import com.oracle.svm.core.graal.nodes.NewPodInstanceNode;
 import com.oracle.svm.core.graal.nodes.NewStoredContinuationNode;
@@ -75,6 +74,7 @@
 import jdk.graal.compiler.api.replacements.Snippet.NonNullParameter;
 import jdk.graal.compiler.api.replacements.Snippet.VarargsParameter;
 import jdk.graal.compiler.core.common.GraalOptions;
+import jdk.graal.compiler.core.common.NumUtil;
 import jdk.graal.compiler.core.common.spi.ForeignCallDescriptor;
 import jdk.graal.compiler.core.common.spi.MetaAccessExtensionProvider;
 import jdk.graal.compiler.core.common.type.StampFactory;
@@ -346,7 +346,7 @@ private static DynamicHub slowPathHubOrUnsafeInstantiationError(DynamicHub hub)
             throw new InstantiationException("Cannot allocate objects of special hybrid types: " + DynamicHub.toClass(hub).getTypeName());
         } else {
             if (hub.canUnsafeInstantiateAsInstanceSlowPath()) {
-                hub.getCompanion().setUnsafeAllocate();
+                hub.setCanUnsafeAllocate();
                 return hub;
             } else {
                 if (MissingRegistrationUtils.throwMissingRegistrationErrors()) {