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 class SPARCV9RegisterBranchInstruction extends SPARCInstruction
  30     implements SPARCV9Instruction, BranchInstruction {
  31     final protected PCRelativeAddress addr;
  32     final protected boolean isAnnuled;
  33     final protected int regConditionCode;
  34     final protected SPARCRegister conditionRegister;
  35     final protected boolean predictTaken;
  36 
  37     public SPARCV9RegisterBranchInstruction(String name, PCRelativeAddress addr,
  38                                boolean isAnnuled, int regConditionCode,
  39                                SPARCRegister conditionRegister, boolean predictTaken) {
  40         super(name);
  41         this.addr = addr;
  42         this.isAnnuled = isAnnuled;
  43         this.regConditionCode = regConditionCode;
  44         this.conditionRegister = conditionRegister;
  45         this.predictTaken = predictTaken;
  46     }
  47 
  48     public String asString(long currentPc, SymbolFinder symFinder) {
  49         long address = addr.getDisplacement() + currentPc;
  50         StringBuffer buf = new StringBuffer();
  51         buf.append(getName());
  52         buf.append(spaces);
  53         buf.append(symFinder.getSymbolFor(address));
  54         return buf.toString();
  55     }
  56 
  57     public boolean isBranch() {
  58         return true;
  59     }
  60 
  61     public Address getBranchDestination() {
  62         return addr;
  63     }
  64 
  65     public boolean isAnnuledBranch() {
  66         return isAnnuled;
  67     }
  68 
  69     public boolean isConditional() {
  70         return true;
  71     }
  72 
  73     public int getRegisterConditionCode() {
  74         return regConditionCode;
  75     }
  76 
  77     public SPARCRegister getConditionRegister() {
  78         return conditionRegister;
  79     }
  80 
  81     public boolean getPredictTaken() {
  82         return predictTaken;
  83     }
  84 }