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1 /*
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2 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.asm.sparc;
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26
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27 import sun.jvm.hotspot.asm.*;
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28
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29 public abstract class SPARCFormat3AInstruction extends SPARCInstruction {
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30 final protected int opcode;
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31 final protected SPARCRegister rs1;
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32 final protected ImmediateOrRegister operand2;
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33 final protected SPARCRegister rd;
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34
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35 public SPARCFormat3AInstruction(String name, int opcode, SPARCRegister rs1,
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36 ImmediateOrRegister operand2, SPARCRegister rd) {
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37 super(name);
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38 this.opcode = opcode;
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39 this.rs1 = rs1;
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40 this.operand2 = operand2;
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41 this.rd = rd;
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42 }
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43
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44 protected String getOperand2String() {
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45 StringBuffer buf = new StringBuffer();
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46 if (operand2.isRegister()) {
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47 buf.append(operand2.toString());
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48 } else {
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49 Number number = ((Immediate)operand2).getNumber();
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50 buf.append("0x");
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51 buf.append(Integer.toHexString(number.intValue()));
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52 }
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53 return buf.toString();
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54 }
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55
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56 protected String getDescription() {
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57 StringBuffer buf = new StringBuffer();
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58 buf.append(getName());
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59 buf.append(spaces);
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60 buf.append(rs1.toString());
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61 buf.append(comma);
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62 buf.append(getOperand2String());
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63 buf.append(comma);
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64 buf.append(rd.toString());
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65 return buf.toString();
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66 }
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67
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68 public String asString(long currentPc, SymbolFinder symFinder) {
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69 return getDescription();
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70 }
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71
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72 public int getOpcode() {
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73 return opcode;
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74 }
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75
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76 public SPARCRegister getDestinationRegister() {
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77 return rd;
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78 }
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79
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80 public ImmediateOrRegister getOperand2() {
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81 return operand2;
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82 }
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83
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84 public SPARCRegister getSourceRegister1() {
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85 return rs1;
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86 }
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87 }
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