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 }