How to use

isRelocatedPointer

method

in

com.oracle.graal.pointsto.api.HostVM

if (fieldValue.getJavaKind() == JavaKind.Object && bb.getHostVM().isRelocatedPointer(bb.getSnippetReflectionProvider().asObject(Object.class, fieldValue))) {
  forRelocatedPointerFieldValue(receiver, field, fieldValue);
} else if (fieldValue.isNull()) {

/**
 * Intercept {@link Word} types. They are boxed objects in the hosted world, but primitive
 * values in the runtime world.
 */
private JavaConstant interceptWordType(AnalysisField field, JavaConstant value) {
  if (value.getJavaKind() == JavaKind.Object) {
    Object originalObject = universe.getSnippetReflection().asObject(Object.class, value);
    if (universe.hostVM().isRelocatedPointer(originalObject)) {
      /*
       * Such pointers are subject to relocation therefore we don't know their values yet.
       * Therefore there should not be a relocated pointer constant in a function which is
       * compiled. RelocatedPointers are only allowed in non-constant fields. The caller
       * of readValue is responsible of handling the returned value correctly.
       */
      return value;
    } else if (originalObject instanceof WordBase) {
      return JavaConstant.forIntegerKind(universe.getWordKind(), ((WordBase) originalObject).rawValue());
    } else if (originalObject == null && field.getType().isWordType()) {
      return JavaConstant.forIntegerKind(universe.getWordKind(), 0);
    }
  }
  return value;
}