2005-11-17 Jeff Johnston <jjohnstn@redhat.com>

        * libc/sys/linux/dl/dl-local.h: New file based on old dlfcn.h
        in libc/sys/linux/include.
        * libc/sys/linux/dl/dlfcn.h: Moved to libc/sys/linux/include.
        * libc/sys/linux/dl/ldsodefs.h: Include dl-local.h instead of dlfcn.h.
        * libc/sys/linux/include/dlfcn.h: Replaced with dlfcn.h formerly
        in libc/sys/linux/dl.

3 files changed, 67 insertions, 85 deletions

diff --git a/newlib/libc/sys/linux/dl/dl-local.h b/newlib/libc/sys/linux/dl/dl-local.h
new file mode 100644
index 0000000..3629ab9
--- /dev/null
+++ b/newlib/libc/sys/linux/dl/dl-local.h
@@ -0,0 +1,65 @@
+#ifndef _LOCAL_H
+#include <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
diff --git a/newlib/libc/sys/linux/dl/dlfcn.h b/newlib/libc/sys/linux/dl/dlfcn.h
deleted file mode 100644
index 67ba73d..0000000
--- a/newlib/libc/sys/linux/dl/dlfcn.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/* 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 */
diff --git a/newlib/libc/sys/linux/dl/ldsodefs.h b/newlib/libc/sys/linux/dl/ldsodefs.h
index f24e113..e6f57dd 100644
--- a/newlib/libc/sys/linux/dl/ldsodefs.h
+++ b/newlib/libc/sys/linux/dl/ldsodefs.h
@@ -28,11 +28,12 @@
 #include <string.h>
 
 #include <elf.h>
-#include <dlfcn.h>
 #include <link.h>
 #include <dl-lookupcfg.h>
 #include <bits/libc-lock.h>
 
+#include "dl-local.h"
+
 __BEGIN_DECLS
 
 /* We use this macro to refer to ELF types independent of the native wordsize.