1 /*
   2  * Copyright (c) 2002, 2003, 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.x86;
  26 
  27 import sun.jvm.hotspot.asm.*;
  28 
  29 public class X86CallInstruction extends X86Instruction
  30                                      implements CallInstruction {
  31    final private Address addr;
  32 
  33    public X86CallInstruction(String name, Address addr, int size, int prefixes) {
  34       super(name, size, prefixes);
  35       this.addr = addr;
  36       if(addr instanceof X86PCRelativeAddress) {
  37          ((X86PCRelativeAddress)addr).setInstructionSize(getSize());
  38       }
  39    }
  40 
  41    public String asString(long currentPc, SymbolFinder symFinder) {
  42       StringBuffer buf = new StringBuffer();
  43       buf.append(getPrefixString());
  44       buf.append(getName());
  45       buf.append(spaces);
  46       long address;
  47       if(addr instanceof X86PCRelativeAddress) {
  48          long disp = ((X86PCRelativeAddress)addr).getDisplacement();
  49          address = disp + currentPc;
  50          buf.append(symFinder.getSymbolFor(address));
  51       }
  52       else {
  53          buf.append(addr.toString());
  54       }
  55       return buf.toString();
  56    }
  57 
  58    public Address getBranchDestination() {
  59       return addr;
  60    }
  61 
  62    public boolean isCall() {
  63       return true;
  64    }
  65 
  66    public boolean isConditional() {
  67       return false;
  68    }
  69 }