-/* dlfcn.h -- User functions for run-time dynamic loading.
- Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+/* User functions for run-time dynamic loading.
+ Copyright (C) 1995, 1996, 1997 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
Boston, MA 02111-1307, USA. */
#ifndef _DLFCN_H
-
#define _DLFCN_H 1
-#include <features.h>
-/* The MODE argument to `dlopen' contains one of the following: */
-#define RTLD_LAZY 0x001 /* Lazy function call binding. */
-#define RTLD_NOW 0x002 /* Immediate function call binding. */
-#define RTLD_BINDING_MASK 0x3 /* Mask of binding time value. */
+#include <features.h>
-/* If the following bit is set in the MODE argument to `dlopen',
- the symbols of the loaded object and its dependencies are made
- visible as if the object were linked directly into the program. */
-#define RTLD_GLOBAL 0x100
+/* Collect various system dependand definitions and declarations. */
+#include <bits/dlfcn.h>
/* If the first argument of `dlsym' is set to RTLD_NEXT the run-time
address of the symbol called NAME in the next shared object is
objects were loaded. */
#define RTLD_NEXT ((void *) -1l)
+__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 __P ((__const char *__file, int __mode));
of the symbol called NAME. */
extern void *dlsym __P ((void *__handle, __const char *__name));
+#ifdef __USE_GNU
+/* Find the run-time address in the shared object HANDLE refers to
+ of the symbol called NAME with VERSION. */
+extern void *__dlvsym __P ((void *__handle, __const char *__name,
+ __const char *__version));
+extern void *dlvsym __P ((void *__handle, __const char *__name,
+ __const char *__version));
+#endif
+
/* 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. */
__const char *dli_sname; /* Name of nearest symbol. */
void *dli_saddr; /* Exact value of nearest symbol. */
} Dl_info;
-extern int dladdr __P ((void *__address, Dl_info *__info));
+extern int dladdr __P ((const void *__address, Dl_info *__info));
+
+__END_DECLS
#endif /* dlfcn.h */