--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/asm/amd64/AMD64Registers.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2003 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot.asm.amd64;
+
+import sun.jvm.hotspot.utilities.*;
+
+public class AMD64Registers {
+   public static final int NUM_REGISTERS = 16;
+
+   public static final AMD64Register RAX;
+   public static final AMD64Register RCX;
+   public static final AMD64Register RDX;
+   public static final AMD64Register RBX;
+   public static final AMD64Register RSP;
+   public static final AMD64Register RBP;
+   public static final AMD64Register RSI;
+   public static final AMD64Register RDI;
+   public static final AMD64Register R8;
+   public static final AMD64Register R9;
+   public static final AMD64Register R10;
+   public static final AMD64Register R11;
+   public static final AMD64Register R12;
+   public static final AMD64Register R13;
+   public static final AMD64Register R14;
+   public static final AMD64Register R15;
+
+   private static final AMD64Register[] registers;
+
+   static {
+      RAX = new AMD64Register(0, "rax");
+      RCX = new AMD64Register(1, "rcx");
+      RDX = new AMD64Register(2, "rdx");
+      RBX = new AMD64Register(3, "rbx");
+      RSP = new AMD64Register(4, "rsp");
+      RBP = new AMD64Register(5, "rbp");
+      RSI = new AMD64Register(6, "rsi");
+      RDI = new AMD64Register(7, "rdi");
+      R8  = new AMD64Register(8, "r8" );
+      R9  = new AMD64Register(9, "r9" );
+      R10 = new AMD64Register(10,"r10");
+      R11 = new AMD64Register(11,"r11");
+      R12 = new AMD64Register(12,"r12");
+      R13 = new AMD64Register(13,"r13");
+      R14 = new AMD64Register(14,"r14");
+      R15 = new AMD64Register(15,"r15");
+      registers = new AMD64Register[] {
+                     RAX, RCX, RDX, RBX, RSP, RBP, RSI, RDI,
+                     R8, R9, R10, R11, R12, R13, R14, R15
+                  };
+   }
+
+   public static int getNumberOfRegisters() {
+      return NUM_REGISTERS;
+   }
+
+   public static AMD64Register getRegister(int regNum) {
+      if (Assert.ASSERTS_ENABLED) {
+         Assert.that(regNum > -1 && regNum < NUM_REGISTERS, "invalid integer register number!");
+      }
+      return registers[regNum];
+   }
+
+   //Return the register name
+   public static String getRegisterName(int regNum) {
+      if (Assert.ASSERTS_ENABLED) {
+         Assert.that(regNum > -1 && regNum < NUM_REGISTERS, "invalid integer register number!");
+      }
+      return registers[regNum].toString();
+   }
+}