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 import sun.jvm.hotspot.utilities.*; 29 30 public class ConditionalJmpDecoder extends InstructionDecoder { 31 32 public ConditionalJmpDecoder(String name, int addrMode1, int operandType1) { 33 super(name, addrMode1, operandType1); 34 } 35 36 protected Instruction decodeInstruction(byte[] bytesArray, boolean operandSize, boolean addrSize, X86InstructionFactory factory) { 37 Operand addr = getOperand1(bytesArray, operandSize, addrSize); 38 if (Assert.ASSERTS_ENABLED) { 39 Assert.that(addr instanceof X86PCRelativeAddress, "Address should be PC Relative!"); 40 } 41 return factory.newCondJmpInstruction(name, (X86PCRelativeAddress)addr, byteIndex-instrStartIndex, prefixes); 42 } 43 }