1 /* 2 * Copyright 2002-2003 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 X86ArithmeticInstruction extends X86Instruction 30 implements ArithmeticInstruction { 31 final private int operation; //RTL operation 32 final private Operand operand1; 33 final private Operand operand2; 34 final private Operand operand3; 35 final private String description; 36 37 public X86ArithmeticInstruction(String name, int operation, Operand op1, Operand op2, int size, int prefixes) { 38 super(name, size, prefixes); 39 this.operation = operation; 40 this.operand1 = op1; 41 this.operand2 = op2; 42 this.operand3 = null; 43 description = initDescription(); 44 } 45 46 public X86ArithmeticInstruction(String name, int operation, Operand op1, Operand op2, Operand op3, int size, int prefixes) { 47 super(name, size, prefixes); 48 this.operation = operation; 49 this.operand1 = op1; 50 this.operand2 = op2; 51 this.operand3 = op3; 52 description = initDescription(); 53 } 54 55 protected String initDescription() { 56 StringBuffer buf = new StringBuffer(); 57 buf.append(getPrefixString()); 58 buf.append(getName()); 59 buf.append(spaces); 60 if (operand1 != null) { 61 buf.append(getOperandAsString(operand1)); 62 } 63 if (operand2 != null) { 64 buf.append(comma); 65 buf.append(getOperandAsString(operand2)); 66 } 67 if(operand3 != null) { 68 buf.append(comma); 69 buf.append(getOperandAsString(operand3)); 70 } 71 return buf.toString(); 72 } 73 74 public String asString(long currentPc, SymbolFinder symFinder) { 75 return description; 76 } 77 78 public Operand getArithmeticDestination() { 79 return operand1; 80 } 81 82 public Operand getOperand1() { 83 return operand1; 84 } 85 86 public Operand getOperand2() { 87 return operand2; 88 } 89 90 public Operand getOperand3() { 91 return operand3; 92 } 93 94 public Operand[] getArithmeticSources() { 95 return (new Operand[] { operand1, operand2, operand3 }); 96 } 97 98 public int getOperation() { 99 return operation; 100 } 101 102 public boolean isArithmetic() { 103 return true; 104 } 105 }