--- /dev/null
+++ dyld/dyld-832.7.1/src/dyldLibSystemInterface.h
@@ -0,0 +1,87 @@
+/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
+ *
+ * Copyright (c) 2004-2009 Apple Inc. All rights reserved.
+ *
+ * @APPLE_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. 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,
+ * 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_LICENSE_HEADER_END@
+ */
+
+
+#ifndef __DYLDLIBSYSTEMHELPERS__
+#define __DYLDLIBSYSTEMHELPERS__
+
+#include <stdint.h>
+#include <mach/mach.h>
+
+struct __cxa_range_t { const void* addr; size_t length; };
+
+#if __cplusplus
+namespace dyld {
+#endif
+	//
+	// This file contains the synchronization utilities used by dyld to be thread safe.
+	// This struct is implemented in in libSystem (where pthreads is available)
+	// and passed to dyld to use.
+	//
+	struct LibSystemHelpers
+	{
+		uintptr_t	version;
+		void		(*acquireGlobalDyldLock)(void);
+		void		(*releaseGlobalDyldLock)(void);
+		char*		(*getThreadBufferFor_dlerror)(size_t sizeRequired);
+		// addded in version 2
+		void*		(*malloc)(size_t);
+		void		(*free)(void*);
+		int			(*cxa_atexit)(void (*)(void*), void*, void*);
+		// addded in version 3
+		void		(*dyld_shared_cache_missing)(void);
+		void		(*dyld_shared_cache_out_of_date)(void);
+		// addded in version 4
+		void		(*acquireDyldInitializerLock)(void);
+		void		(*releaseDyldInitializerLock)(void);
+		// added in version 5
+		int			(*pthread_key_create)(pthread_key_t*, void (*destructor)(void*));
+		int			(*pthread_setspecific)(pthread_key_t, const void*);
+		// added in version 6
+		size_t		(*malloc_size)(const void *ptr);
+		// added in version 7
+		void*		(*pthread_getspecific)(pthread_key_t);
+		// added in version 8
+		void		(*cxa_finalize)(const void*);
+		// added in version 9
+		void*		startGlueToCallExit;
+		// added in version 10
+		bool		(*hasPerThreadBufferFor_dlerror)(void);
+		// added in version 11
+		bool		(*isLaunchdOwned)(void);
+		// added in version 12
+		kern_return_t (*vm_alloc)(vm_map_t task, vm_address_t* addr, vm_size_t size, int flags);
+		void*		(*mmap)(void* addr, size_t len, int prot, int flags, int fd, off_t offset);
+		// added in version 13
+		void		(*cxa_finalize_ranges)(const struct __cxa_range_t ranges[], int count);
+	};
+#if __cplusplus
+}
+#endif
+
+
+
+
+#endif // __DYLDLIBSYSTEMHELPERS__
+