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 SPARCAtomicLoadStoreInstruction extends SPARCInstruction 30 implements LoadInstruction, StoreInstruction { 31 final protected SPARCRegisterIndirectAddress addr; 32 final protected SPARCRegister rd; 33 final protected Register[] regs = new Register[1]; 34 final protected String description; 35 36 public SPARCAtomicLoadStoreInstruction(String name, SPARCRegisterIndirectAddress addr, SPARCRegister rd) { 37 super(name); 38 this.addr = addr; 39 this.rd = rd; 40 regs[0] = rd; 41 description = initDescription(); 42 } 43 44 private String initDescription() { 45 StringBuffer buf = new StringBuffer(); 46 buf.append(getName()); 47 buf.append(spaces); 48 buf.append(addr.toString()); 49 buf.append(comma); 50 buf.append(rd.toString()); 51 return buf.toString(); 52 } 53 54 public Address getLoadSource() { 55 return addr; 56 } 57 58 public Address getStoreDestination() { 59 return addr; 60 } 61 62 public Register[] getLoadDestinations() { 63 return regs; 64 } 65 66 public Register[] getStoreSources() { 67 return regs; 68 } 69 70 public boolean isLoad() { 71 return true; 72 } 73 74 public boolean isStore() { 75 return true; 76 } 77 78 public String asString(long currentPc, SymbolFinder symFinder) { 79 return description; 80 } 81 }