1 /*
   2  * Copyright 2002 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.sparc;
  26 
  27 import sun.jvm.hotspot.asm.*;
  28 
  29 public abstract class SPARCFormat3AInstruction extends SPARCInstruction {
  30     final protected int opcode;
  31     final protected SPARCRegister rs1;
  32     final protected ImmediateOrRegister operand2;
  33     final protected SPARCRegister rd;
  34 
  35     public SPARCFormat3AInstruction(String name, int opcode, SPARCRegister rs1,
  36                                     ImmediateOrRegister operand2, SPARCRegister rd) {
  37         super(name);
  38         this.opcode = opcode;
  39         this.rs1 = rs1;
  40         this.operand2 = operand2;
  41         this.rd = rd;
  42     }
  43 
  44     protected String getOperand2String() {
  45         StringBuffer buf = new StringBuffer();
  46         if (operand2.isRegister()) {
  47             buf.append(operand2.toString());
  48         } else {
  49             Number number = ((Immediate)operand2).getNumber();
  50             buf.append("0x");
  51             buf.append(Integer.toHexString(number.intValue()));
  52         }
  53         return buf.toString();
  54     }
  55 
  56     protected String getDescription() {
  57         StringBuffer buf = new StringBuffer();
  58         buf.append(getName());
  59         buf.append(spaces);
  60         buf.append(rs1.toString());
  61         buf.append(comma);
  62         buf.append(getOperand2String());
  63         buf.append(comma);
  64         buf.append(rd.toString());
  65         return buf.toString();
  66     }
  67 
  68     public String asString(long currentPc, SymbolFinder symFinder) {
  69         return getDescription();
  70     }
  71 
  72     public int getOpcode() {
  73         return opcode;
  74     }
  75 
  76     public SPARCRegister getDestinationRegister() {
  77         return rd;
  78     }
  79 
  80     public ImmediateOrRegister getOperand2() {
  81         return operand2;
  82     }
  83 
  84     public SPARCRegister getSourceRegister1() {
  85         return rs1;
  86     }
  87 }