From fec38619dc00c09d59ce092c7a2fa09d83ff22e1 Mon Sep 17 00:00:00 2001
From: Manuel Novoa III <mjn3@codepoet.org>
Date: Thu, 22 Mar 2001 15:00:46 +0000
Subject: Add some missing headers needed by ld.so-1.9.11.

---
 include/dlfcn.h | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 include/dlfcn.h

(limited to 'include/dlfcn.h')

diff --git a/include/dlfcn.h b/include/dlfcn.h
new file mode 100644
index 000000000..998350baa
--- /dev/null
+++ b/include/dlfcn.h
@@ -0,0 +1,98 @@
+/* User functions for run-time dynamic loading.
+   Copyright (C) 1995-1999, 2000 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  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 <bits/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 __P ((__const char *__file, int __mode));
+
+/* Unmap and close a shared object opened by `dlopen'.
+   The handle cannot be used again after calling `dlclose'.  */
+extern int dlclose __P ((void *__handle));
+
+/* Find the run-time address in the shared object HANDLE refers to
+   of the symbol called NAME.  */
+extern void *dlsym __P ((void *__restrict __handle,
+			 __const char *__restrict __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 *__restrict __handle,
+			  __const char *__restrict __name,
+			  __const char *__restrict __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.  */
+extern char *dlerror __P ((void));
+
+#ifdef __USE_GNU
+/* Fill in *INFO with the following information about ADDRESS.
+   Returns 0 iff no shared object's segments contain that address.  */
+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;
+extern int dladdr __P ((const void *__address, Dl_info *__info));
+
+/* To support profiling of shared objects it is a good idea to call
+   the function found using `dlsym' using the following macro since
+   these calls do not use the PLT.  But this would mean the dynamic
+   loader has no chance to find out when the function is called.  The
+   macro applies the necessary magic so that profiling is possible.
+   Rewrite
+	foo = (*fctp) (arg1, arg2);
+   into
+        foo = DL_CALL_FCT (fctp, (arg1, arg2));
+*/
+# define DL_CALL_FCT(fctp, args) \
+  (_dl_mcount_wrapper_check (fctp), (*(fctp)) args)
+
+/* This function calls the profiling functions.  */
+extern void _dl_mcount_wrapper_check __P ((void *__selfpc));
+#endif
+
+__END_DECLS
+
+#endif	/* dlfcn.h */
-- 
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