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.*;
  28 
  29 public class SPARCBranchInstruction extends SPARCInstruction
  30     implements BranchInstruction {
  31     final protected PCRelativeAddress addr;
  32     final protected int conditionCode;
  33     final protected boolean isAnnuled;
  34 
  35     public SPARCBranchInstruction(String name, PCRelativeAddress addr, boolean isAnnuled, int conditionCode) {
  36         super(name);
  37         this.addr = addr;
  38         this.conditionCode = conditionCode;
  39         this.isAnnuled = isAnnuled;
  40     }
  41 
  42     public String asString(long currentPc, SymbolFinder symFinder) {
  43         long address = addr.getDisplacement() + currentPc;
  44         StringBuffer buf = new StringBuffer();
  45         buf.append(getName());
  46         buf.append(spaces);
  47         buf.append(symFinder.getSymbolFor(address));
  48         return buf.toString();
  49     }
  50 
  51     public Address getBranchDestination() {
  52         return addr;
  53     }
  54 
  55     public int getConditionCode() {
  56         return conditionCode;
  57     }
  58 
  59     public boolean isAnnuledBranch() {
  60         return isAnnuled;
  61     }
  62 
  63     public boolean isBranch() {
  64         return true;
  65     }
  66 
  67     public boolean isConditional() {
  68         return conditionCode != CONDITION_BN && conditionCode != CONDITION_BA;
  69     }
  70 }