dlfcn: create header

JIRA: RTOS-664

include/dlfcn.h

@@ -0,0 +1,51 @@
+/*
+ * Phoenix-RTOS
+ *
+ * libphoenix
+ *
+ * dlfcn.h
+ *
+ * Copyright 2024 Phoenix Systems
+ * Author: Hubert Badocha
+ *
+ * This file is part of Phoenix-RTOS.
+ *
+ * %LICENSE%
+ */
+
+#ifndef _LIBPHOENIX_DLFCN_H_
+#define _LIBPHOENIX_DLFCN_H_
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define RTLD_LAZY	1
+#define RTLD_NOW	2
+#define RTLD_GLOBAL	0x100
+#define RTLD_LOCAL	0x200
+
+
+typedef struct {
+	const char *dli_fname; /* Pathname of mapped object file. */
+	void *dli_fbase;       /* Base of mapped address range. */
+	const char *dli_sname; /* Symbol name or null pointer. */
+	void *dli_saddr;       /* Symbol address or null pointer. */
+} Dl_info_t;
+
+
+int    dladdr(const void *restrict, Dl_info_t *restrict);
+int    dlclose(void *);
+char  *dlerror(void);
+void  *dlopen(const char *, int);
+void  *dlsym(void *restrict, const char *restrict);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif