1 /*
   2  * Copyright 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.amd64;
  26 
  27 import sun.jvm.hotspot.asm.*;
  28 
  29 public class AMD64Register extends Register {
  30    protected String name;
  31    public AMD64Register(int num, String name) {
  32      super(num);
  33      this.name = name;
  34    }
  35    public int getNumberOfRegisters() {
  36      return AMD64Registers.getNumberOfRegisters();
  37    }
  38    public String toString() {
  39      return name;
  40    }
  41    public boolean isFramePointer() {
  42      return number == 5; //rbp
  43    }
  44    public boolean isStackPointer() {
  45      return number == 4; //rsp
  46    }
  47    public boolean isFloat() {
  48      return false;
  49    }
  50    public boolean isSegmentPointer() {
  51      return false;
  52    }
  53 }