FragmentDB getFragment(CodeUnit cu) {
		lock.acquire();
		try {
			Field field = fragMap.getValue(cu.getMinAddress());
			if (field != null) {
				try {
					return getFragmentDB(field.getLongValue());
				}
				catch (IOException e) {
					errHandler.dbError(e);
				}
			}
		}
		finally {
			lock.release();
		}
		return null;
	}
Move code units in the range to the destination fragment.
@param destFrag destination fragment
@param min min address
@param max max address
@throws NotFoundException if address range not fully contained within program memory
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/module/ModuleManager.java