diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/interop/JavaObjectWrapper.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/interop/JavaObjectWrapper.java
index aa47154dd..1feb33207 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/interop/JavaObjectWrapper.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/interop/JavaObjectWrapper.java
@@ -413,30 +413,30 @@ protected boolean fitsInLong(@Shared("lib") @CachedLibrary(limit = "LIMIT") fina
     }
 
     @ExportMessage
-    protected boolean fitsInFloat(@Shared("lib") @CachedLibrary(limit = "LIMIT") final InteropLibrary lib) {
+    protected boolean fitsInBigInteger(@Shared("lib") @CachedLibrary(limit = "LIMIT") final InteropLibrary lib) {
+        if (wrappedObject instanceof BigInteger) {
+            return true;
+        }
         if (isNumber()) {
-            return lib.fitsInFloat(wrappedObject);
+            return lib.fitsInBigInteger(wrappedObject);
         } else {
             return false;
         }
     }
 
     @ExportMessage
-    protected boolean fitsInDouble(@Shared("lib") @CachedLibrary(limit = "LIMIT") final InteropLibrary lib) {
+    protected boolean fitsInFloat(@Shared("lib") @CachedLibrary(limit = "LIMIT") final InteropLibrary lib) {
         if (isNumber()) {
-            return lib.fitsInDouble(wrappedObject);
+            return lib.fitsInFloat(wrappedObject);
         } else {
             return false;
         }
     }
 
     @ExportMessage
-    protected boolean fitsInBigInteger(@Shared("lib") @CachedLibrary(limit = "LIMIT") final InteropLibrary lib) {
-        if (wrappedObject instanceof BigInteger) {
-            return true;
-        }
+    protected boolean fitsInDouble(@Shared("lib") @CachedLibrary(limit = "LIMIT") final InteropLibrary lib) {
         if (isNumber()) {
-            return lib.fitsInBigInteger(wrappedObject);
+            return lib.fitsInDouble(wrappedObject);
         } else {
             return false;
         }
@@ -479,29 +479,29 @@ protected long asLong(@Shared("lib") @CachedLibrary(limit = "LIMIT") final Inter
     }
 
     @ExportMessage
-    protected float asFloat(@Shared("lib") @CachedLibrary(limit = "LIMIT") final InteropLibrary lib) throws UnsupportedMessageException {
-        if (isNumber()) {
-            return lib.asFloat(wrappedObject);
+    protected BigInteger asBigInteger(@Shared("lib") @CachedLibrary(limit = "LIMIT") final InteropLibrary lib) throws UnsupportedMessageException {
+        if (wrappedObject instanceof final BigInteger w) {
+            return w;
+        } else if (isNumber()) {
+            return lib.asBigInteger(wrappedObject);
         } else {
             throw UnsupportedMessageException.create();
         }
     }
 
     @ExportMessage
-    protected double asDouble(@Shared("lib") @CachedLibrary(limit = "LIMIT") final InteropLibrary lib) throws UnsupportedMessageException {
+    protected float asFloat(@Shared("lib") @CachedLibrary(limit = "LIMIT") final InteropLibrary lib) throws UnsupportedMessageException {
         if (isNumber()) {
-            return lib.asDouble(wrappedObject);
+            return lib.asFloat(wrappedObject);
         } else {
             throw UnsupportedMessageException.create();
         }
     }
 
     @ExportMessage
-    protected BigInteger asBigInteger(@Shared("lib") @CachedLibrary(limit = "LIMIT") final InteropLibrary lib) throws UnsupportedMessageException {
-        if (wrappedObject instanceof final BigInteger w) {
-            return w;
-        } else if (isNumber()) {
-            return lib.asBigInteger(wrappedObject);
+    protected double asDouble(@Shared("lib") @CachedLibrary(limit = "LIMIT") final InteropLibrary lib) throws UnsupportedMessageException {
+        if (isNumber()) {
+            return lib.asDouble(wrappedObject);
         } else {
             throw UnsupportedMessageException.create();
         }
@@ -864,6 +864,20 @@ protected boolean isMetaInstance(final Object other) throws UnsupportedMessageEx
         }
     }
 
+    @ExportMessage
+    public boolean hasMetaParents() {
+        return isMetaObject();
+    }
+
+    @ExportMessage
+    public Object getMetaParents(@Shared("lib") @CachedLibrary(limit = "LIMIT") final InteropLibrary lib) throws UnsupportedMessageException {
+        if (isClass()) {
+            return wrap(new Object[]{asClass().getSuperclass()});
+        } else {
+            throw UnsupportedMessageException.create();
+        }
+    }
+
     @ExportMessage
     protected boolean hasLanguage() {
         return true;
@@ -915,6 +929,8 @@ private static Object toJavaArgument(final Object argument) {
                         return lib.asInt(argument);
                     } else if (lib.fitsInLong(argument)) {
                         return lib.asLong(argument);
+                    } else if (lib.fitsInBigInteger(argument)) {
+                        return lib.asBigInteger(argument);
                     } else if (lib.fitsInFloat(argument)) {
                         return lib.asFloat(argument);
                     } else if (lib.fitsInDouble(argument)) {
diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/PolyglotPlugin.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/PolyglotPlugin.java
index 713acfd74..e64d7bac4 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/PolyglotPlugin.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/PolyglotPlugin.java
@@ -9,6 +9,7 @@
 import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
+import java.math.BigInteger;
 import java.nio.ByteOrder;
 import java.util.List;
 import java.util.Map;
@@ -55,6 +56,7 @@
 import de.hpi.swa.trufflesqueak.model.ArrayObject;
 import de.hpi.swa.trufflesqueak.model.BooleanObject;
 import de.hpi.swa.trufflesqueak.model.ClassObject;
+import de.hpi.swa.trufflesqueak.model.LargeIntegerObject;
 import de.hpi.swa.trufflesqueak.model.NativeObject;
 import de.hpi.swa.trufflesqueak.model.NilObject;
 import de.hpi.swa.trufflesqueak.model.PointersObject;
@@ -65,6 +67,7 @@
 import de.hpi.swa.trufflesqueak.nodes.primitives.PrimitiveFallbacks.BinaryPrimitiveFallback;
 import de.hpi.swa.trufflesqueak.nodes.primitives.PrimitiveFallbacks.QuaternaryPrimitiveFallback;
 import de.hpi.swa.trufflesqueak.nodes.primitives.PrimitiveFallbacks.QuinaryPrimitiveFallback;
+import de.hpi.swa.trufflesqueak.nodes.primitives.PrimitiveFallbacks.SenaryPrimitiveFallback;
 import de.hpi.swa.trufflesqueak.nodes.primitives.PrimitiveFallbacks.TernaryPrimitiveFallback;
 import de.hpi.swa.trufflesqueak.nodes.primitives.PrimitiveFallbacks.UnaryPrimitiveFallback;
 import de.hpi.swa.trufflesqueak.nodes.primitives.SqueakPrimitive;
@@ -539,6 +542,33 @@ protected static final double doAsDouble(@SuppressWarnings("unused") final Objec
         }
     }
 
+    @GenerateNodeFactory
+    @SqueakPrimitive(names = "primitiveFitsInBigInteger")
+    protected abstract static class PrimFitsInBigIntegerNode extends AbstractPrimitiveNode {
+
+        @Specialization
+        protected static final boolean doFitsInBigInteger(@SuppressWarnings("unused") final Object receiver, final Object object,
+                        @CachedLibrary(limit = "2") final InteropLibrary lib) {
+            return BooleanObject.wrap(lib.fitsInBigInteger(object));
+        }
+    }
+
+    @GenerateNodeFactory
+    @SqueakPrimitive(names = "primitiveAsBigInteger")
+    protected abstract static class PrimAsBigIntegerNode extends AbstractPrimitiveNode implements BinaryPrimitiveFallback {
+
+        @TruffleBoundary
+        @Specialization(guards = {"lib.fitsInBigInteger(object)"}, limit = "2")
+        protected final Object doAsDouble(@SuppressWarnings("unused") final Object receiver, final Object object,
+                        @CachedLibrary("object") final InteropLibrary lib) {
+            try {
+                return new LargeIntegerObject(getContext(), lib.asBigInteger(object));
+            } catch (final UnsupportedMessageException e) {
+                throw primitiveFailedInInterpreterCapturing(e);
+            }
+        }
+    }
+
     @GenerateNodeFactory
     @SqueakPrimitive(names = "primitiveIsExecutable")
     protected abstract static class PrimIsExecutableNode extends AbstractPrimitiveNode {
@@ -1213,6 +1243,21 @@ protected static final long doReadBufferByte(@SuppressWarnings("unused") final O
         }
     }
 
+    @GenerateNodeFactory
+    @SqueakPrimitive(names = "primitiveReadBuffer")
+    protected abstract static class PrimReadBufferNode extends AbstractPrimitiveNode implements SenaryPrimitiveFallback {
+        @Specialization(guards = {"lib.hasBufferElements(object)", "destination.isByteType()"})
+        protected static final Object doReadBuffer(final Object receiver, final Object object, final long byteOffset, final NativeObject destination, final long destinationOffset, final long length,
+                        @CachedLibrary(limit = "2") final InteropLibrary lib) {
+            try {
+                lib.readBuffer(object, byteOffset, destination.getByteStorage(), MiscUtils.toIntExact(destinationOffset), MiscUtils.toIntExact(length));
+                return receiver;
+            } catch (final UnsupportedMessageException | InvalidBufferOffsetException e) {
+                throw primitiveFailedInInterpreterCapturing(e);
+            }
+        }
+    }
+
     @GenerateNodeFactory
     @SqueakPrimitive(names = "primitiveWriteBufferByte")
     protected abstract static class PrimWriteBufferByteNode extends AbstractPrimitiveNode implements QuaternaryPrimitiveFallback {
@@ -1657,6 +1702,29 @@ protected static final Object getMetaSimpleName(@SuppressWarnings("unused") fina
         }
     }
 
+    @GenerateNodeFactory
+    @SqueakPrimitive(names = "primitiveHasMetaParents")
+    protected abstract static class PrimHasMetaParentsNode extends AbstractPrimitiveNode implements BinaryPrimitiveFallback {
+        @Specialization(guards = "lib.isMetaObject(object)")
+        protected static final boolean hasMetaParents(@SuppressWarnings("unused") final Object receiver, final Object object, @CachedLibrary(limit = "2") final InteropLibrary lib) {
+            return lib.hasMetaParents(object);
+        }
+    }
+
+    @GenerateNodeFactory
+    @SqueakPrimitive(names = "primitiveGetMetaParents")
+    protected abstract static class PrimGetMetaParentsNode extends AbstractPrimitiveNode implements BinaryPrimitiveFallback {
+        @Specialization(guards = "lib.isMetaObject(object)")
+        protected static final Object getMetaParents(@SuppressWarnings("unused") final Object receiver, final Object object,
+                        @CachedLibrary(limit = "2") final InteropLibrary lib) {
+            try {
+                return lib.getMetaParents(object);
+            } catch (final UnsupportedMessageException e) {
+                throw primitiveFailedInInterpreterCapturing(e);
+            }
+        }
+    }
+
     @GenerateNodeFactory
     @SqueakPrimitive(names = "primitiveHasSourceLocation")
     protected abstract static class PrimHasSourceLocationNode extends AbstractPrimitiveNode {
@@ -2172,6 +2240,15 @@ protected static final int toJavaInteger(@SuppressWarnings("unused") final Objec
         }
     }
 
+    @GenerateNodeFactory
+    @SqueakPrimitive(names = "primitiveToJavaBigInteger")
+    protected abstract static class PrimToJavaBigIntegerNode extends AbstractPrimitiveNode implements BinaryPrimitiveFallback {
+        @Specialization
+        protected static final BigInteger toJavaInteger(@SuppressWarnings("unused") final Object receiver, final LargeIntegerObject value) {
+            return value.getBigInteger();
+        }
+    }
+
     @GenerateNodeFactory
     @SqueakPrimitive(names = "primitiveToJavaString")
     protected abstract static class PrimToJavaStringNode extends AbstractPrimitiveNode implements BinaryPrimitiveFallback {
diff --git a/src/image b/src/image
index 2747e4e32..5ae9534e8 160000
--- a/src/image
+++ b/src/image
@@ -1 +1 @@
-Subproject commit 2747e4e32acdaec1dc0316179727434b2982f73c
+Subproject commit 5ae9534e81d495e30f82438de988f3508a660d3f