diff --git a/tests/update1.c b/tests/update1.c
new file mode 100644
index 0000000..f4c1475
--- /dev/null
+++ b/tests/update1.c
@@ -0,0 +1,127 @@
+/* Test program for elf_update function.
+   Copyright (C) 2000, 2002, 2005 Red Hat, Inc.
+   This file is part of elfutils.
+   Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   elfutils 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 for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <errno.h>
+#include <fcntl.h>
+#include <libelf.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+int
+main (int argc, char *argv[] __attribute__ ((unused)))
+{
+  const char *fname = "xxx_update1";
+  int fd;
+  Elf *elf;
+  Elf32_Ehdr *ehdr;
+  int i;
+
+  fd = open (fname, O_RDWR | O_CREAT | O_TRUNC, 0666);
+  if (fd == -1)
+    {
+      printf ("cannot open `%s': %s\n", fname, strerror (errno));
+      exit (1);
+    }
+
+  elf_version (EV_CURRENT);
+
+  elf = elf_begin (fd, ELF_C_WRITE, NULL);
+  if (elf == NULL)
+    {
+      printf ("cannot create ELF descriptor: %s\n", elf_errmsg (-1));
+      exit (1);
+    }
+
+  /* Create an ELF header.  */
+  ehdr = elf32_newehdr (elf);
+  if (ehdr == NULL)
+    {
+      printf ("cannot create ELF header: %s\n", elf_errmsg (-1));
+      exit (1);
+    }
+
+  /* Print the ELF header values.  */
+  if (argc > 1)
+    {
+      for (i = 0; i < EI_NIDENT; ++i)
+	printf (" %02x", ehdr->e_ident[i]);
+      printf ("\
+\ntype = %hu\nmachine = %hu\nversion = %u\nentry = %u\nphoff = %u\n"
+	      "shoff = %u\nflags = %u\nehsize = %hu\nphentsize = %hu\n"
+	      "phnum = %hu\nshentsize = %hu\nshnum = %hu\nshstrndx = %hu\n",
+	      ehdr->e_type, ehdr->e_machine, ehdr->e_version, ehdr->e_entry,
+	      ehdr->e_phoff, ehdr->e_shoff, ehdr->e_flags, ehdr->e_ehsize,
+	      ehdr->e_phentsize, ehdr->e_phnum, ehdr->e_shentsize,
+	      ehdr->e_shnum, ehdr->e_shstrndx);
+    }
+
+  ehdr->e_ident[0] = 42;
+  ehdr->e_ident[4] = 1;
+  ehdr->e_ident[5] = 1;
+  ehdr->e_ident[6] = 2;
+  ehdr->e_ident[9] = 2;
+  ehdr->e_version = 1;
+  ehdr->e_ehsize = 1;
+
+  /* Write out the file.  */
+  if (elf_update (elf, ELF_C_WRITE) < 0)
+    {
+      printf ("failure in elf_update: %s\n", elf_errmsg (-1));
+      exit (1);
+    }
+
+  /* Create an ELF header.  */
+  ehdr = elf32_newehdr (elf);
+  if (ehdr == NULL)
+    {
+      printf ("cannot create ELF header: %s\n", elf_errmsg (-1));
+      exit (1);
+    }
+
+  /* Print the ELF header values.  */
+  if (argc > 1)
+    {
+      for (i = 0; i < EI_NIDENT; ++i)
+	printf (" %02x", ehdr->e_ident[i]);
+      printf ("\
+\ntype = %hu\nmachine = %hu\nversion = %u\nentry = %u\nphoff = %u\n"
+	      "shoff = %u\nflags = %u\nehsize = %hu\nphentsize = %hu\n"
+	      "phnum = %hu\nshentsize = %hu\nshnum = %hu\nshstrndx = %hu\n",
+	      ehdr->e_type, ehdr->e_machine, ehdr->e_version, ehdr->e_entry,
+	      ehdr->e_phoff, ehdr->e_shoff, ehdr->e_flags, ehdr->e_ehsize,
+	      ehdr->e_phentsize, ehdr->e_phnum, ehdr->e_shentsize,
+	      ehdr->e_shnum, ehdr->e_shstrndx);
+    }
+
+  if (elf_end (elf) != 0)
+    {
+      printf ("failure in elf_end: %s\n", elf_errmsg (-1));
+      exit (1);
+    }
+
+  unlink (fname);
+
+  return 0;
+}