xnu-7195.101.1.tar.gz

[apple/xnu.git] / libkern / kmod / cplus_stop.c

diff --git a/libkern/kmod/cplus_stop.c b/libkern/kmod/cplus_stop.c
index 8151fb43f0d4c7bafa7ed20aa4c4a74269289cfa..9f23e486c9dd7ab6d2af7494d9c93e89dc9b6bdd 100644 (file)
--- a/libkern/kmod/cplus_stop.c
+++ b/libkern/kmod/cplus_stop.c
@@ -1,58 +1,44 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Copyright (c) 2000,2008-2012 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER

  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /*
  */
 /*

-    Subtle combination of files and libraries make up the C++ runtime system for kernel modules.  We are dependant on the KernelModule kmod.make and CreateKModInfo.perl scripts to be exactly instep with both this library module and the libkmod module as well.
-
-    If you do any maintenance on any of the following files make sure great care is taken to keep them in Sync.
-    KernelModule.bproj/kmod.make
-    KernelModule.bproj/CreateKModInfo.perl
-    KernelModule.bproj/kmodc++/pure.c
-    KernelModule.bproj/kmodc++/cplus_start.c
-    KernelModule.bproj/kmodc++/cplus_start.c
-    KernelModule.bproj/kmodc/c_start.c
-    KernelModule.bproj/kmodc/c_stop.c
-
-    The trick is that the linkline links all of the developers modules.  If any static constructors are used .constructors_used will be left as an undefined symbol.  This symbol is exported by the cplus_start.c routine which automatically brings in the appropriate C++ _start routine.  However the actual _start symbol is only required by the kmod_info structure that is created and initialized by the CreateKModInfo.perl script.  If no C++ was used the _start will be an undefined symbol that is finally satisfied by the c_start module in the kmod library.
-
-    The linkline must look like this.
-        *.o -lkmodc++ kmod_info.o -lkmod
+ *   Subtle combination of files and libraries make up the C++ runtime system for kernel modules.  We are dependant on the KernelModule kmod.make and CreateKModInfo.perl scripts to be exactly instep with both this library module and the libkmod module as well.
+ *
+ *   If you do any maintenance on any of the following files make sure great care is taken to keep them in Sync.
+ *   KernelModule.bproj/kmod.make
+ *   KernelModule.bproj/CreateKModInfo.perl
+ *   KernelModule.bproj/kmodc++/pure.c
+ *   KernelModule.bproj/kmodc++/cplus_start.c
+ *   KernelModule.bproj/kmodc++/cplus_start.c
+ *   KernelModule.bproj/kmodc/c_start.c
+ *   KernelModule.bproj/kmodc/c_stop.c
+ *
+ *   The trick is that the linkline links all of the developers modules.  If any static constructors are used .constructors_used will be left as an undefined symbol.  This symbol is exported by the cplus_start.c routine which automatically brings in the appropriate C++ _start routine.  However the actual _start symbol is only required by the kmod_info structure that is created and initialized by the CreateKModInfo.perl script.  If no C++ was used the _start will be an undefined symbol that is finally satisfied by the c_start module in the kmod library.
+ *
+ *   The linkline must look like this.
+ *.o -lkmodc++ kmod_info.o -lkmod

  */
  */

-#include <mach/mach_types.h>
-
-asm(".destructors_used = 0");
-asm(".private_extern .destructors_used");
-
-// Functions defined in libkern/c++/OSRuntime.cpp
-extern kern_return_t OSRuntimeFinalizeCPP(kmod_info_t *ki, void *data);
-
-// This global symbols will be defined by CreateInfo script's info.c file.
-extern kmod_stop_func_t *_antimain;
-
-__private_extern__ kern_return_t _stop(kmod_info_t *ki, void *data)
-{
-    kern_return_t res = OSRuntimeFinalizeCPP(ki, data);
-
-    if (!res && _antimain)
-        res = (*_antimain)(ki, data);
-
-    return res;
-}