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, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * 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 }