How to use

CGlobalDataFactory

in

com.oracle.svm.core.c

/**
 * Create a chunk of zero-initialized bytes with at least the length that is provided by the
 * specified supplier.
 */
public static <T extends PointerBase> CGlobalData<T> createBytes(IntSupplier sizeSupplier) {
  return createBytes(sizeSupplier, null);
}

/**
 * Create a chunk of data that is dimensioned and initialized to contain the provided string's
 * contents as {@linkplain Utf8#stringToUtf8(String, boolean) zero-terminated modified UTF-8}.
 */
public static <T extends PointerBase> CGlobalData<T> createCString(String content) {
  return createCString(content, null);
}

/**
 * Create a single word that is initialized to the specified value.
 */
public static <T extends PointerBase> CGlobalData<T> createWord(WordBase initialValue) {
  return createWord(initialValue, null);
}

public CGlobalDataInfo addOrLookupMethod(ResolvedJavaMethod method) {
  if (method.getAnnotation(NodeIntrinsic.class) != null || method.getAnnotation(Word.Operation.class) != null) {
    return null;
  }
  return nameToFunction.computeIfAbsent(linkageName(method), symbolName -> {
    CGlobalData<CFunctionPointer> linkage = CGlobalDataFactory.forSymbol(symbolName);
    return CGlobalDataFeature.singleton().registerAsAccessed(linkage);
  });
}

public CGlobalDataInfo getBuiltInAddress() {
  assert this.isBuiltInFunction();
  if (builtInAddress == null) {
    CGlobalData<CFunctionPointer> linkage = CGlobalDataFactory.forSymbol(this.getShortName());
    builtInAddress = CGlobalDataFeature.singleton().registerAsAccessed(linkage);
  }
  return builtInAddress;
}

/**
 * Create a chunk of bytes that is dimensioned and initialized to contain the bytes provided by
 * the specified supplier.
 */
public static <T extends PointerBase> CGlobalData<T> createBytes(Supplier<byte[]> contentSupplier) {
  return createBytes(contentSupplier, null);
}

/**
 * Create a single word that is initialized to zero.
 */
public static <T extends PointerBase> CGlobalData<T> createWord() {
  return createWord((String) null);
}