1 files changed, 65 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/include/dlfcn.h b/newlib/libc/sys/linux/include/dlfcn.h
new file mode 100644
index 000000000..75d7526b0
--- /dev/null
+++ b/newlib/libc/sys/linux/include/dlfcn.h
@@ -0,0 +1,65 @@
+#ifndef _DLFCN_H
+#include <dl/dlfcn.h>
+
+#define internal_function
+
+/* Internally used flag.  */
+#define __RTLD_DLOPEN	0x80000000
+#define __RTLD_SPROF	0x40000000
+
+/* Now define the internal interfaces.  */
+extern void *__dlvsym (void *__handle, __const char *__name,
+		       __const char *__version);
+
+extern void *__libc_dlopen  (__const char *__name);
+extern void *__libc_dlsym   (void *__map, __const char *__name);
+extern int   __libc_dlclose (void *__map);
+
+/* Locate shared object containing the given address.  */
+extern int _dl_addr (const void *address, Dl_info *info)
+     internal_function;
+
+/* Open the shared object NAME, relocate it, and run its initializer if it
+   hasn't already been run.  MODE is as for `dlopen' (see <dlfcn.h>).  If
+   the object is already opened, returns its existing map.  */
+extern void *_dl_open (const char *name, int mode, const void *caller)
+     internal_function;
+
+/* Close an object previously opened by _dl_open.  */
+extern void _dl_close (void *map)
+     internal_function;
+
+/* Look up NAME in shared object HANDLE (which may be RTLD_DEFAULT or
+   RTLD_NEXT).  WHO is the calling function, for RTLD_NEXT.  Returns
+   the symbol value, which may be NULL.  */
+extern void *_dl_sym (void *handle, const char *name, void *who)
+    internal_function;
+
+/* Look up version VERSION of symbol NAME in shared object HANDLE
+   (which may be RTLD_DEFAULT or RTLD_NEXT).  WHO is the calling
+   function, for RTLD_NEXT.  Returns the symbol value, which may be
+   NULL.  */
+extern void *_dl_vsym (void *handle, const char *name, const char *version,
+		       void *who)
+    internal_function;
+
+/* Call OPERATE, catching errors from `dl_signal_error'.  If there is no
+   error, *ERRSTRING is set to null.  If there is an error, *ERRSTRING is
+   set to a string constructed from the strings passed to _dl_signal_error,
+   and the error code passed is the return value and *OBJNAME is set to
+   the object name which experienced the problems.  ERRSTRING if nonzero
+   points to a malloc'ed string which the caller has to free after use.
+   ARGS is passed as argument to OPERATE.  */
+extern int _dl_catch_error (const char **objname, const char **errstring,
+			    void (*operate) (void *),
+			    void *args)
+     internal_function;
+
+/* Helper function for <dlfcn.h> functions.  Runs the OPERATE function via
+   _dl_catch_error.  Returns zero for success, nonzero for failure; and
+   arranges for `dlerror' to return the error details.
+   ARGS is passed as argument to OPERATE.  */
+extern int _dlerror_run (void (*operate) (void *), void *args)
+     internal_function;
+
+#endif