--- /dev/null
+++ xnu/xnu-1456.1.26/libsyscall/mach/mach_init_libSystem.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2007, 2008 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,
+ * 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@
+ */
+#ifdef __DYNAMIC__
+struct ProgramVars; /* forward reference */
+
+extern void pthread_init(void);				// from libc.a
+extern void __libc_init(const struct ProgramVars* vars);	// from libc.a
+extern void __keymgr_initializer(void);		// from libkeymgr.a
+extern void _dyld_initializer(void);		// from libdyld.a
+extern void libdispatch_init(void);		// from libdispatch.a
+
+/*
+ * libsyscall_initializer() initializes all of libSystem.dylib <rdar://problem/4892197>
+ */
+static __attribute__((constructor)) 
+void libSystem_initializer(int argc, const char* argv[], const char* envp[], const char* apple[], const struct ProgramVars* vars)
+{
+	mach_init();
+	pthread_init();
+	__libc_init(vars);
+	__keymgr_initializer();
+	_dyld_initializer();
+	libdispatch_init();
+}
+
+/*  
+ *  Old crt1.o glue used to call through mach_init_routine which was used to initialize libSystem.
+ *  LibSystem now auto-initializes but mach_init_routine is left for binary compatibility.
+ */
+static void mach_init_old() {}
+void (*mach_init_routine)(void) = &mach_init_old;
+
+#endif /* __DYNAMIC__ */