--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86Instruction.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,128 @@
+/*
+ * Copyright 2002-2003 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.x86;
+
+import sun.jvm.hotspot.asm.*;
+
+public abstract class X86Instruction implements Instruction, X86Opcodes {
+   final private String name;
+   final private int size;
+   final private int prefixes;
+
+   public X86Instruction(String name, int size, int prefixes) {
+      this.name = name;
+      this.size = size;
+      this.prefixes = prefixes;
+   }
+
+   public abstract String asString(long currentPc, SymbolFinder symFinder);
+
+   public String getName() {
+      return name;
+   }
+
+   public String getPrefixString() {
+      StringBuffer buf = new StringBuffer();
+      if ((prefixes & PREFIX_REPZ) != 0)
+         buf.append("repz ");
+      if ((prefixes & PREFIX_REPNZ) != 0)
+         buf.append("repnz ");
+      if ((prefixes & PREFIX_LOCK) != 0)
+         buf.append("lock ");
+
+      return buf.toString();
+   }
+
+   protected String getOperandAsString(Operand op) {
+      StringBuffer buf = new StringBuffer();
+      if ((op instanceof Register) || (op instanceof Address)) {
+         buf.append(op.toString());
+      } else {
+         Number number = ((Immediate)op).getNumber();
+         buf.append("0x");
+         buf.append(Integer.toHexString(number.intValue()));
+      }
+      return buf.toString();
+   }
+
+   public int getSize() {
+      return size;
+   }
+
+   public boolean isArithmetic() {
+      return false;
+   }
+
+   public boolean isBranch() {
+      return false;
+   }
+
+   public boolean isCall() {
+      return false;
+   }
+
+   public boolean isFloat() {
+      return false;
+   }
+
+   public boolean isIllegal() {
+      return false;
+   }
+
+   public boolean isLoad() {
+      return false;
+   }
+
+   public boolean isLogical() {
+      return false;
+   }
+
+   public boolean isMove() {
+      return false;
+   }
+
+   public boolean isReturn() {
+      return false;
+   }
+
+   public boolean isShift() {
+      return false;
+   }
+
+   public boolean isStore() {
+      return false;
+   }
+
+   public boolean isTrap() {
+      return false;
+   }
+
+   public boolean isNoop() {
+      return false;
+   }
+
+   protected static String comma = ", ";
+   protected static String spaces = "\t";
+}