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 SPARCJmplInstruction extends SPARCInstruction

    30     implements BranchInstruction {

    31     final protected SPARCRegisterIndirectAddress addr;

    32     final protected SPARCRegister rd;

    33 

    34     protected SPARCJmplInstruction(String name, SPARCRegisterIndirectAddress addr, SPARCRegister rd) {

    35         super(name);

    36         this.addr = addr;

    37         this.rd = rd;

    38     }

    39 

    40     public SPARCJmplInstruction(SPARCRegisterIndirectAddress addr, SPARCRegister rd) {

    41         this("jmpl", addr, rd);

    42     }

    43 

    44     protected String getDescription() {

    45         StringBuffer buf = new StringBuffer();

    46         String addrStr = addr.toString();

    47         // remove '[' & ']' from address

    48         addrStr = addrStr.substring(1, addrStr.length() - 1);

    49         if (rd == SPARCRegisters.G0) {

    50             buf.append("jmp");

    51             buf.append(spaces);

    52             buf.append(addrStr);

    53         } else {

    54             buf.append(getName());

    55             buf.append(spaces);

    56             buf.append(addrStr);

    57             buf.append(comma);

    58             buf.append(rd.toString());

    59         }

    60 

    61         return buf.toString();

    62     }

    63 

    64     public String asString(long currentPc, SymbolFinder symFinder) {

    65         return getDescription();

    66     }

    67 

    68     public Address getBranchDestination() {

    69         return addr;

    70     }

    71 

    72     public SPARCRegister getReturnAddressRegister() {

    73         return rd;

    74     }

    75 

    76     public boolean isAnnuledBranch() {

    77         return false;

    78     }

    79 

    80     public boolean isBranch() {

    81         return true;

    82     }

    83 

    84     public boolean isConditional() {

    85         return false;

    86     }

    87 }