--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.max.asmdis/src/com/sun/max/asm/amd64/AbstractAMD64Assembler.java	Sat Dec 17 19:59:18 2011 +0100
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2007, 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.sun.max.asm.amd64;
+
+import com.sun.max.asm.*;
+import com.sun.max.lang.*;
+
+/**
+ * Abstract base class for AMD64 assemblers.
+ */
+public abstract class AbstractAMD64Assembler extends LittleEndianAssembler implements Assembler64 {
+
+    @Override
+    public final ISA isa() {
+        return ISA.AMD64;
+    }
+
+    @Override
+    public WordWidth wordWidth() {
+        return WordWidth.BITS_64;
+    }
+
+    private long startAddress; // address of first instruction
+
+    public AbstractAMD64Assembler(long startAddress) {
+        this.startAddress = startAddress;
+    }
+
+    public AbstractAMD64Assembler() {
+    }
+
+    @Override
+    public long baseAddress() {
+        return startAddress;
+    }
+
+    public long startAddress() {
+        return startAddress;
+    }
+
+    public void setStartAddress(long address) {
+        startAddress = address;
+    }
+
+    public void fixLabel(Label label, long address) {
+        fixLabel64(label, address);
+    }
+
+    public long address(Label label) throws AssemblyException {
+        return address64(label);
+    }
+}