new file mode 100644
--- /dev/null
+++ b/packages/services/loader/current/include/dlfcn.h
@@ -0,0 +1,76 @@
+#ifndef CYGONCE_LOADER_DLFCN_H
+#define CYGONCE_LOADER_DLFCN_H
+
+//==========================================================================
+//
+//      dlfcn.h
+//
+//      ELF dynamic loader API definitions
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// Software distributed under the License is distributed on an "AS IS"      
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
+// License for the specific language governing rights and limitations under 
+// the License.                                                             
+//                                                                          
+// The Original Code is eCos - Embedded Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):           nickg
+// Contributors:        nickg
+// Date:                2000-11-15
+// Purpose:             Define ELF dynamic loader API
+// Description:         The functions defined here collectively implement the
+//                      external API of the ELF dynamic loader.
+// Usage:               #include <cyg/loader/dlfcn.h>
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <pkgconf/system.h>
+
+#include <cyg/infra/cyg_type.h>         /* types etc.           */
+
+// =========================================================================
+// Mode values
+
+#define RTLD_NOW        0x00    /* Relocate now (default)               */
+#define RTLD_LAZY       0x01    /* Relocate opportunistically           */
+#define RTLD_GLOBAL     0x00    /* make symbols available globally (default) */
+#define RTLD_LOCAL      0x10    /* keep symbols secret                  */
+
+// =========================================================================
+// API calls
+
+__externC void *dlopen (const char *file, int mode);
+
+__externC void *dlopenmem(const void *addr, size_t size, int mode);
+
+__externC int dlclose (void *handle);
+
+__externC void *dlsym (void *handle, const char *name);
+
+__externC const char *dlerror (void);
+
+// -------------------------------------------------------------------------
+#endif // ifndef CYGONCE_LOADER_DLFCN_H
+// EOF dlfcn.h