diff --git a/src/_UPT_get_proc_name.c b/src/_UPT_get_proc_name.c
index e69de29b..63a7d470 100644
--- a/src/_UPT_get_proc_name.c
+++ b/src/_UPT_get_proc_name.c
@@ -0,0 +1,48 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (C) 2003 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 "_UPT_internal.h"
+
+#if defined(UNW_TARGET_IA64)
+# define TARGET_ELF64
+#elif defined(UNW_TARGET_X86)
+# define TARGET_ELF32
+#else
+# warning Do not know object-file format of target arch.  Please implement.
+#endif
+
+int
+_UPT_get_proc_name (unw_addr_space_t as, unw_word_t ip,
+		    char *buf, size_t buf_len, unw_word_t *offp, void *arg)
+{
+  struct UPT_info *ui = arg;
+
+#if defined(TARGET_ELF64)
+  return _Uelf64_get_proc_name (ui->pid, ip, buf, buf_len, offp);
+#elif defined(TARGET_ELF32)
+  return _Uelf32_get_proc_name (ui->pid, ip, buf, buf_len, offp);
+#endif
+  return -UNW_ENOINFO;
+}
diff --git a/tests/run-ia64-test-dyn1 b/tests/run-ia64-test-dyn1
index e69de29b..acce944c 100644
--- a/tests/run-ia64-test-dyn1
+++ b/tests/run-ia64-test-dyn1
@@ -0,0 +1,2 @@
+#!/bin/sh
+./test-ptrace -t ./ia64-test-dyn1