ghidra-master/Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/commands/PrebindChecksumCommand.java
/* ###
 * IP: GHIDRA
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package ghidra.app.util.bin.format.macho.commands;

import java.io.IOException;

import ghidra.app.util.bin.BinaryReader;
import ghidra.app.util.bin.format.macho.MachConstants;
import ghidra.program.model.data.*;
import ghidra.util.exception.DuplicateNameException;

/**
 * Represents a prebind_cksum_command structure 
 */
public class PrebindChecksumCommand extends LoadCommand {
	private int cksum;

	PrebindChecksumCommand(BinaryReader reader) throws IOException {
		super(reader);
		cksum = reader.readNextInt();
	}

	/**
	 * Returns the check sum or zero.
	 * @return the check sum or zero
	 */
	public int getCheckSum() {
		return cksum;
	}

	@Override
	public DataType toDataType() throws DuplicateNameException, IOException {
		StructureDataType struct = new StructureDataType(getCommandName(), 0);
		struct.add(DWORD, "cmd", null);
		struct.add(DWORD, "cmdsize", null);
		struct.add(DWORD, "cksum", null);
		struct.setCategoryPath(new CategoryPath(MachConstants.DATA_TYPE_CATEGORY));
		return struct;
	}

	@Override
	public String getCommandName() {
		return "prebind_cksum_command";
	}
}
