1 /* 2 * Copyright (c) 2001, 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, 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 X86Register extends Register { 30 protected String name; 31 public X86Register(int num, String name) { 32 super(num); 33 this.name = name; 34 } 35 public int getNumberOfRegisters() { 36 return X86Registers.getNumberOfRegisters(); 37 } 38 public String toString() { 39 return name; 40 } 41 public boolean isFramePointer() { 42 return number == 5; //ebp 43 } 44 public boolean isStackPointer() { 45 return number == 4; //esp 46 } 47 public boolean isFloat() { 48 return false; 49 } 50 public boolean isSegmentPointer() { 51 return false; 52 } 53 }