1 /* 2 * Copyright (c) 2002, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, 20 * CA 94065 USA or visit www.oracle.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.SymbolFinder; 28 import java.util.Vector; 29 30 public class SPARCV9MembarInstruction extends SPARCInstruction 31 implements SPARCV9Instruction { 32 final private int mmask; 33 final private int cmask; 34 final private String description; 35 36 public SPARCV9MembarInstruction(int mmask, int cmask) { 37 super("membar"); 38 this.mmask = mmask & 0xF; 39 this.cmask = cmask & 0x7; 40 description = initDescription(); 41 } 42 43 private String initDescription() { 44 StringBuffer buf = new StringBuffer(); 45 buf.append(getName()); 46 buf.append(spaces); 47 48 Vector masks = new Vector(); 49 if ((mmask & 0x1) != 0) 50 masks.add("#LoadLoad"); 51 if ((mmask & 0x2) != 0) 52 masks.add("#StoreLoad"); 53 if ((mmask & 0x4) != 0) 54 masks.add("#LoadStore"); 55 if ((mmask & 0x8) != 0) 56 masks.add("#StoreStore"); 57 58 if ((cmask & 0x1) != 0) 59 masks.add("#Lookaside"); 60 if ((cmask & 0x2) != 0) 61 masks.add("#MemIssue"); 62 if ((cmask & 0x4) != 0) 63 masks.add("#Sync"); 64 65 // add all masks 66 Object[] tempMasks = masks.toArray(); 67 for (int i=0; i < tempMasks.length - 1; i++) { 68 buf.append((String)tempMasks[i]); 69 buf.append("| "); 70 } 71 buf.append((String)tempMasks[tempMasks.length - 1]); 72 73 return buf.toString(); 74 } 75 76 public int getMMask() { 77 return mmask; 78 } 79 80 public int getCMask() { 81 return cmask; 82 } 83 84 public String asString(long currentPc, SymbolFinder symFinder) { 85 return description; 86 } 87 }