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 }