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 SPARCV9PrivilegedRegisterInstruction extends SPARCInstruction 30 implements SPARCV9Instruction, /* imports */ SPARCV9PrivilegedRegisters { 31 protected static final String regNames[] = { 32 "%tpc", "%tnpc", "%tstate", "%tt", "%tick", "%tba", "%pstate", "%tl", 33 "%pil", "%cwp", "%cansave", "%canrestore", "%cleanwin", "%otherwin", "%wstate", "%fq" 34 }; 35 36 protected static String getPrivilegedRegisterName(int regNum) { 37 if ((regNum > 15 && regNum < 31) || regNum > 31) 38 return null; 39 return (regNum == 31)? "%ver" : regNames[regNum]; 40 } 41 42 final protected int regNum; 43 44 protected abstract String getDescription(); 45 46 protected SPARCV9PrivilegedRegisterInstruction(String name, int regNum) { 47 super(name); 48 this.regNum = regNum; 49 } 50 51 public int getPrivilegedRegisterNumber() { 52 return regNum; 53 } 54 55 public String asString(long currentPc, SymbolFinder symFinder) { 56 return getDescription(); 57 } 58 }