1 /* 2 * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 package sun.jvm.hotspot.asm.x86; 26 27 import sun.jvm.hotspot.asm.*; 28 29 public class X86RotateInstruction extends X86Instruction { 30 final private Operand operand1; 31 final private ImmediateOrRegister operand2; 32 33 public X86RotateInstruction(String name, Operand operand1, ImmediateOrRegister operand2, int size, int prefixes) { 34 super(name, size, prefixes); 35 this.operand1 = operand1; 36 this.operand2 = operand2; 37 } 38 39 public String asString(long currentPc, SymbolFinder symFinder) { 40 StringBuffer buf = new StringBuffer(); 41 buf.append(getPrefixString()); 42 buf.append(getName()); 43 buf.append(spaces); 44 if(operand2 != null) { 45 if ((operand2 instanceof Register)) { 46 buf.append(operand2.toString()); 47 } 48 else { 49 Number number = ((Immediate)operand2).getNumber(); 50 buf.append("0x"); 51 buf.append(Integer.toHexString(number.intValue())); 52 } 53 buf.append(comma); 54 } 55 buf.append(getOperandAsString(operand1)); 56 return buf.toString(); 57 } 58 59 public Operand getRotateDestination() { 60 return operand1; 61 } 62 63 public Operand getRotateSource() { 64 return operand1; 65 } 66 }