--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/compiler/disassemblerEnv.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,35 @@
+/*
+ * Copyright 1997-2002 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.
+ *
+ */
+
+// Call-back interface for external disassembler
+class DisassemblerEnv {
+ public:
+  // printing
+  virtual void print_label(intptr_t value)   = 0;
+  virtual void print_raw(char* str)     = 0;
+  virtual void print(char* format, ...) = 0;
+  // helpers
+  virtual char* string_for_offset(intptr_t value) = 0;
+  virtual char* string_for_constant(unsigned char* pc, intptr_t value, int is_decimal) = 0;
+};