--- xnu/xnu-12377.121.6/libsyscall/custom/__syscall.s
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (c) 1999-2007 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@
- */
-/* Copyright (c) 1992 NeXT Computer, Inc.  All rights reserved. */
-
-#include "SYS.h"
-
-#if defined(__i386__)
-
-LEAF(___syscall, 0)
-	popl	%ecx		// ret addr
-	popl	%eax		// syscall number
-	pushl	%ecx
-	UNIX_SYSCALL_TRAP
-	movl	(%esp),%edx	// add one element to stack so
-	pushl	%ecx		// caller "pop" will work
-	jnb	2f
-	BRANCH_EXTERN(tramp_cerror)
-2:
-END(___syscall)
-
-#elif defined(__x86_64__)
-
-// For x86-64, the kernel slides the argument list for us.
-// The number of arguments here is variable, but our macros ignore
-// that value anyway.
-__SYSCALL(___syscall, syscall, 0);
-
-#elif defined(__arm__)
-
-__SYSCALL(___syscall, syscall, 7)
-
-#elif defined(__arm64__)
-
-/* 
- * Ignore nominal number of arguments: just pop from stack and let the kernel 
- * interpret.
- */
-#include <mach/arm64/asm.h>
-MI_ENTRY_POINT(___syscall)
-		ldp x1, x2, [sp]
-		ldp x3, x4, [sp, #16]
-		ldp x5, x6, [sp, #32]
-		ldr x7, [sp, #48]
-		DO_SYSCALL(SYS_syscall, cerror)
-		ret
-#else
-#error Unsupported architecture
-#endif