X86RegisterPart.java

/*
 * Copyright 2003 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *  
 */

/* 
 * Original code for this class taken from the Java HotSpot VM. 
 * Modified for use with the Jakstab project. All modifications 
 * Copyright 2007-2015 Johannes Kinder <jk@jakstab.org>
 */

package org.jakstab.asm.x86;

public class X86RegisterPart extends X86Register {
	private int startBit;
	private int length;

	public X86RegisterPart(int num, String name, int startBit, int length) {
		super(num, name);
		this.startBit = startBit;
		this.length = length;
	}
	
	public int getStartBit() {
		return startBit;
	}

	public int getLength() {
		return length;
	}

	/* (non-Javadoc)
	 * @see org.jakstab.asm.Register#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object x) {
		if (x == null) return false;
		if (!(x instanceof X86RegisterPart)) return false;
		X86RegisterPart reg = (X86RegisterPart) x;
		return (reg.getNumber() == getNumber() && 
				reg.startBit == startBit && 
				reg.length == length);
	}

}