--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/os/bsd/vm/decoder_bsd.cpp	Sun Sep 25 16:03:29 2011 -0700
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 1997, 2010, 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.
+ *
+ */
+
+#include "prims/jvm.h"
+#include "utilities/decoder.hpp"
+
+#include <cxxabi.h>
+
+#ifdef __APPLE__
+
+void Decoder::initialize() {
+  _initialized = true;
+}
+
+void Decoder::uninitialize() {
+  _initialized = false;
+}
+
+bool Decoder::can_decode_C_frame_in_vm() {
+  return false;
+}
+
+Decoder::decoder_status Decoder::decode(address addr, const char* filepath, char *buf, int buflen, int *offset) {
+  return symbol_not_found;
+}
+
+
+#endif
+
+bool Decoder::demangle(const char* symbol, char *buf, int buflen) {
+  int   status;
+  char* result;
+  size_t size = (size_t)buflen;
+
+  // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small,
+  // __cxa_demangle will call system "realloc" for additional memory, which
+  // may use different malloc/realloc mechanism that allocates 'buf'.
+  if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) {
+    jio_snprintf(buf, buflen, "%s", result);
+      // call c library's free
+      ::free(result);
+      return true;
+  }
+  return false;
+}