@Override
public long getMemorySize(JavaConstant constant) {
if (constant.getJavaKind() == JavaKind.Object) {
HotSpotResolvedObjectType lookupJavaType = lookupJavaType(constant);
if (lookupJavaType == null) {
return 0;
} else {
if (lookupJavaType.isArray()) {
// TODO(tw): Add compressed pointer support.
int length = Array.getLength(((HotSpotObjectConstantImpl) constant).object());
ResolvedJavaType elementType = lookupJavaType.getComponentType();
JavaKind elementKind = elementType.getJavaKind();
final int headerSize = getArrayBaseOffset(elementKind);
TargetDescription target = runtime.getHostJVMCIBackend().getTarget();
int sizeOfElement = getArrayIndexScale(elementKind);
int alignment = target.wordSize;
int log2ElementSize = CodeUtil.log2(sizeOfElement);
return computeArrayAllocationSize(length, alignment, headerSize, log2ElementSize);
}
return lookupJavaType.instanceSize();
}
} else {
return constant.getJavaKind().getByteCount();
}
}
private ParameterNode[] createParameters(GraphKit kit, Class<?>[] args) {
ParameterNode[] params = new ParameterNode[args.length];
ResolvedJavaType accessingClass = providers.getMetaAccess().lookupJavaType(getClass());
for (int i = 0; i < args.length; i++) {
ResolvedJavaType type =
providers.getMetaAccess().lookupJavaType(args[i]).resolve(accessingClass);
Stamp stamp;
if (type.getJavaKind().getStackKind() == JavaKind.Object) {
stamp = StampFactory.declared(type);
} else {
stamp = StampFactory.forKind(type.getJavaKind());
}
ParameterNode param = kit.unique(new ParameterNode(i, stamp));
params[i] = param;
}
return params;
}