cpukit: Add libdl with the Runtime Loader (RTL) code.

This is a merge of the RTL project.

cpukit/libdl/rtl-rap.h

@@ -0,0 +1,54 @@
+/*
+ *  COPYRIGHT (c) 2012 Chris Johns <chrisj@rtems.org>
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ */
+/**
+ * @file
+ *
+ * @ingroup rtems_rtl
+ *
+ * @brief RTEMS Run-Time Linker ELF Headers
+ */
+
+#if !defined (_RTEMS_RTL_RAP_H_)
+#define _RTEMS_RTL_RAP_H_
+
+#include "rtl-fwd.h"
+#include "rtl-obj-fwd.h"
+#include "rtl-sym.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * The RAP format check handler.
+ *
+ * @param obj The object being checked.
+ * @param fd The file descriptor.
+ */
+bool rtems_rtl_rap_file_check (rtems_rtl_obj_t* obj, int fd);
+
+/**
+ * The RAP format load handler.
+ *
+ * @param obj The object to load.
+ * @param fd The file descriptor.
+ */
+bool rtems_rtl_rap_file_load (rtems_rtl_obj_t* obj, int fd);
+
+/**
+ * The RAP format signature handler.
+ *
+ * @return rtems_rtl_loader_format_t* The format's signature.
+ */
+rtems_rtl_loader_format_t* rtems_rtl_rap_file_sig (void);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif