diff --git a/src/mi/Gdyn-extract.c b/src/mi/Gdyn-extract.c
index e69de29b..31559832 100644
--- a/src/mi/Gdyn-extract.c
+++ b/src/mi/Gdyn-extract.c
@@ -0,0 +1,63 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (C) 2001-2002 Hewlett-Packard Co
+	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
+
+#include "internal.h"
+#include "tdep.h"
+
+HIDDEN int
+unwi_extract_dynamic_proc_info (unw_addr_space_t as, unw_word_t ip,
+				unw_proc_info_t *pi, unw_dyn_info_t *di,
+				int need_unwind_info, void *arg)
+{
+  pi->start_ip = di->start_ip;
+  pi->end_ip = di->end_ip;
+  pi->gp = di->gp;
+  pi->format = di->format;
+  switch (di->format)
+    {
+    case UNW_INFO_FORMAT_DYNAMIC:
+      pi->handler = di->u.pi.handler;
+      pi->lsda = 0;
+      pi->flags = di->u.pi.flags;
+      pi->unwind_info_size = 0;
+      if (need_unwind_info)
+	pi->unwind_info = di;
+      else
+	pi->unwind_info = NULL;
+      return 0;
+
+    case UNW_INFO_FORMAT_TABLE:
+    case UNW_INFO_FORMAT_REMOTE_TABLE:
+#ifdef tdep_search_unwind_table
+      /* call platform-specific search routine: */
+      return tdep_search_unwind_table (as, ip, di, pi, need_unwind_info, arg);
+#else
+      /* fall through */
+#endif
+    default:
+      break;
+    }
+  return -UNW_EINVAL;
+}