@Override
	public boolean checkPointer(long ptr) {
		try {
			return ptr > 0 && ptr < reader.length();
		}
		catch (IOException e) {
			return false;
		}
	}
Returns the Fixup debug information, or null if it does not exists.
@return the Fixup debug information
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/pe/debug/DebugDirectoryParser.java