diff --git a/libelf/elf_flagdata.c b/libelf/elf_flagdata.c
new file mode 100644
index 0000000..b519131
--- /dev/null
+++ b/libelf/elf_flagdata.c
@@ -0,0 +1,59 @@
+/* Manipulate ELF data flag.
+   Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
+   Written by Ulrich Drepper <drepper@redhat.com>, 1998.
+
+   This program 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, version 2.
+
+   This program 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, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <libelf.h>
+#include <stddef.h>
+
+#include "libelfP.h"
+
+
+unsigned int
+elf_flagdata (data, cmd, flags)
+     Elf_Data *data;
+     Elf_Cmd cmd;
+     unsigned int flags;
+{
+  Elf_Data_Scn *data_scn;
+  unsigned int result;
+
+  if (data == NULL)
+    return 0;
+
+  data_scn = (Elf_Data_Scn *) data;
+
+  if (data_scn == NULL || unlikely (data_scn->s->elf->kind != ELF_K_ELF))
+    {
+      __libelf_seterrno (ELF_E_INVALID_HANDLE);
+      return 0;
+    }
+
+  if (likely (cmd == ELF_C_SET))
+    result = (data_scn->s->flags |= (flags & ELF_F_DIRTY));
+  else if (likely (cmd == ELF_C_CLR))
+    result = (data_scn->s->flags &= ~(flags & ELF_F_DIRTY));
+  else
+    {
+      __libelf_seterrno (ELF_E_INVALID_COMMAND);
+      return 0;
+    }
+
+  return result;
+}