1 /* 2 * Copyright 2002-2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.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 X86CondJmpInstruction extends X86Instruction 30 implements BranchInstruction { 31 final private X86PCRelativeAddress addr; 32 33 public X86CondJmpInstruction(String name, X86PCRelativeAddress addr, int size, int prefixes) { 34 super(name, size, prefixes); 35 this.addr = addr; 36 if(addr instanceof X86PCRelativeAddress) { 37 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 47 if(addr instanceof X86PCRelativeAddress) { 48 long disp = ((X86PCRelativeAddress)addr).getDisplacement(); 49 long address = disp + currentPc; 50 buf.append(symFinder.getSymbolFor(address)); 51 } 52 return buf.toString(); 53 } 54 55 public Address getBranchDestination() { 56 return addr; 57 } 58 59 public boolean isBranch() { 60 return true; 61 } 62 63 public boolean isConditional() { 64 return true; 65 } 66 }