Update.

2001-02-26  Ulrich Drepper  <drepper@redhat.com>

	* dlfcn/Makefile (distribute): Add modatexit.c and modcxaatexit.c.
	(tests): Add tstatexit and tstcxaatexit.
	(module-names): Add modatexit and modcxaatexit.
	Add rules to build and run tstatexit and tstcxaatexit.
	* dlfcn/modatexit.c: New file.
	* dlfcn/modcxaatexit.c: New file.
	* dlfcn/tstatexit.c: New file.
	* dlfcn/tstcxaatexit.c: New file.

	* io/Makefile: Pass -DHAVE_DOT_HIDDEN to stat and mknod functions if
	.hidden is available.
	* io/stat.c: If .hidden is available use it to avoid exporting
	functions.
	* io/fstat.c: Likewise.
	* io/lstat.c: Likewise.
	* io/stat64.c: Likewise.
	* io/fstat64.c: Likewise.
	* io/lstat64.c: Likewise.
	* sysdeps/generic/mknod.c: Likewise.

	* malloc/mtrace.c: Use __cxa_atexit and not atexit.
	* sysdeps/generic/bb_init_func.c: Likewise.
	* sysdeps/generic/libc-start.c: Likewise.

	* stdlib/atexit.c (__new_exitfn): Move to cxa_atexit.c.
	(atexit): Implement using __cxa_atexit.
	Use .hidden if availble to avoid exporting atexit.
	* stdlib/cxa_atexit.c (__new_exitfn): Moved to here from atexit.c.
	* stdlib/Versions: Export __new_exitfn for GLIBC_2.2.3.
	* stdlib/Makefile (routines): Add old_atexit.
	(static-only-routines): Add atexit.
	Pass -DHAVE_DOT_HIDDEN for atexit.c if .hidden is available.
	* stdlib/old_atexit.c: New file.

	* intl/Makefile: Remove bogus endif.

3 files changed, 16 insertions, 7 deletions

diff --git a/sysdeps/generic/bb_init_func.c b/sysdeps/generic/bb_init_func.c
index 0560493..b872fc1 100644
--- a/sysdeps/generic/bb_init_func.c
+++ b/sysdeps/generic/bb_init_func.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by David Mosberger (davidm@cs.arizona.edu).
 
@@ -47,6 +47,8 @@ __bb_init_func (struct __bb *bb)
     {
       /* we didn't register _mcleanup yet and pc profiling doesn't seem
 	 to be active, so let's register it now: */
-      atexit (_mcleanup);
+      extern void *__dso_handle __attribute__ ((__weak__));
+      __cxa_atexit ((void (*) (void *)) _mcleanup, NULL,
+		    &__dso_handle ? __dso_handle : NULL);
     }
 }
diff --git a/sysdeps/generic/libc-start.c b/sysdeps/generic/libc-start.c
index fa394b4..b651d73 100644
--- a/sysdeps/generic/libc-start.c
+++ b/sysdeps/generic/libc-start.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 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
@@ -92,7 +92,7 @@ BP_SYM (__libc_start_main) (int (*main) (int, char **, char **),
 
 # ifdef HAVE_AUX_VECTOR
   for (auxvec = (void *__unbounded *__unbounded) ubp_ev;
-       *auxvec; auxvec++);
+       *auxvec != NULL; ++auxvec);
   ++auxvec;
   _dl_aux_init ((ElfW(auxv_t) *) auxvec);
 # endif
@@ -100,7 +100,7 @@ BP_SYM (__libc_start_main) (int (*main) (int, char **, char **),
 
   /* Register the destructor of the dynamic linker if there is any.  */
   if (__builtin_expect (rtld_fini != NULL, 1))
-    atexit (rtld_fini);
+    __cxa_atexit ((void (*) (void *)) rtld_fini, NULL, NULL);
 
   /* Call the initializer of the libc.  This is only needed here if we
      are compiling for the static library in which case we haven't
@@ -111,7 +111,7 @@ BP_SYM (__libc_start_main) (int (*main) (int, char **, char **),
 
   /* Register the destructor of the program, if any.  */
   if (fini)
-    atexit (fini);
+    __cxa_atexit ((void (*) (void *)) fini, NULL, NULL);
 
   /* Call the initializer of the program, if any.  */
 #ifdef SHARED
diff --git a/sysdeps/generic/mknod.c b/sysdeps/generic/mknod.c
index 8d1dde2..56530c5 100644
--- a/sysdeps/generic/mknod.c
+++ b/sysdeps/generic/mknod.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 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
@@ -45,3 +45,10 @@ __mknod (const char *path, mode_t mode, dev_t dev)
 }
 
 weak_alias (__mknod, mknod)
+
+/* Hide the symbol so that no definition but the one locally in the
+   executable or DSO is used.  */
+#ifdef HAVE_DOT_HIDDEN
+asm (".hidden\tmknod");
+asm (".hidden\t__mknod");
+#endif