hotspot/agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCV9RegisterBranchInstruction.java
changeset 13907 52873e4bbeaa
parent 13906 e31f9b0d349f
parent 13905 12e9215f3daa
child 13909 9b94bf4dcc0c
equal deleted inserted replaced
13906:e31f9b0d349f 13907:52873e4bbeaa
     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 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 }