CodeBlock[] getBlocksContaining(Address addr){
    	Object[] objs = getObjects(addr);
        int length = objs.length;
        if (length == 0){
            return null;
        }
        CodeBlock[] blocks = new CodeBlock[objs.length];
    	System.arraycopy(objs, 0, blocks, 0, length);
        return blocks;
    }
Get all cached blocks which contain addr. 
@return  blocks that contain addr if they are in the cache.
         Otherwise, return null.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/block/CodeBlockCache.java