1 files changed, 84 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/dl/dlfcn.h b/newlib/libc/sys/linux/dl/dlfcn.h
new file mode 100644
index 000000000..67ba73d5d
--- /dev/null
+++ b/newlib/libc/sys/linux/dl/dlfcn.h
@@ -0,0 +1,84 @@
+/* User functions for run-time dynamic loading.
+   Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef	_DLFCN_H
+#define	_DLFCN_H 1
+
+#include <features.h>
+
+/* Collect various system dependent definitions and declarations.  */
+#include <sys/dlfcn.h>
+
+
+/* If the first argument of `dlsym' or `dlvsym' is set to RTLD_NEXT
+   the run-time address of the symbol called NAME in the next shared
+   object is returned.  The "next" relation is defined by the order
+   the shared objects were loaded.  */
+# define RTLD_NEXT	((void *) -1l)
+
+/* If the first argument to `dlsym' or `dlvsym' is set to RTLD_DEFAULT
+   the run-time address of the symbol called NAME in the global scope
+   is returned.  */
+# define RTLD_DEFAULT	((void *) 0)
+
+
+__BEGIN_DECLS
+
+/* Open the shared object FILE and map it in; return a handle that can be
+   passed to `dlsym' to get symbol values from it.  */
+extern void *dlopen (__const char *__file, int __mode) __THROW;
+
+/* Unmap and close a shared object opened by `dlopen'.
+   The handle cannot be used again after calling `dlclose'.  */
+extern int dlclose (void *__handle) __THROW;
+
+/* Find the run-time address in the shared object HANDLE refers to
+   of the symbol called NAME.  */
+extern void *dlsym (void *__restrict __handle,
+		    __const char *__restrict __name) __THROW;
+
+/* Find the run-time address in the shared object HANDLE refers to
+   of the symbol called NAME with VERSION.  */
+extern void *dlvsym (void *__restrict __handle,
+		     __const char *__restrict __name,
+		     __const char *__restrict __version) __THROW;
+
+/* When any of the above functions fails, call this function
+   to return a string describing the error.  Each call resets
+   the error string so that a following call returns null.  */
+extern char *dlerror (void) __THROW;
+
+
+/* Structure containing information about object searched using
+   `dladdr'.  */
+typedef struct
+{
+  __const char *dli_fname;	/* File name of defining object.  */
+  void *dli_fbase;		/* Load address of that object.  */
+  __const char *dli_sname;	/* Name of nearest symbol.  */
+  void *dli_saddr;		/* Exact value of nearest symbol.  */
+} Dl_info;
+
+/* Fill in *INFO with the following information about ADDRESS.
+   Returns 0 iff no shared object's segments contain that address.  */
+extern int dladdr (__const void *__address, Dl_info *__info) __THROW;
+
+__END_DECLS
+
+#endif	/* dlfcn.h */