--- xnu/xnu-12377.121.6/libsyscall/custom/custom.s
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * Copyright (c) 1999-2015 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__)
-
-/*
- * i386 needs custom assembly to transform the return from syscalls
- * into a proper stack for a function call out to cerror{,_nocancel}.
- */
-
-LABEL(tramp_cerror)
-	mov		%esp, %edx
-	andl	$0xfffffff0, %esp
-	subl	$16, %esp
-	movl	%edx, 4(%esp)
-	movl	%eax, (%esp)
-	CALL_EXTERN(_cerror)
-	movl	4(%esp), %esp
-	ret
-
-LABEL(tramp_cerror_nocancel)
-	mov		%esp, %edx
-	andl	$0xfffffff0, %esp
-	subl	$16, %esp
-	movl	%edx, 4(%esp)
-	movl	%eax, (%esp)
-	CALL_EXTERN(_cerror_nocancel)
-	movl	4(%esp), %esp
-	ret
-
-LABEL(__sysenter_trap)
-	popl %edx
-	movl %esp, %ecx
-	sysenter
-
-	.globl _i386_get_ldt
-	ALIGN
-_i386_get_ldt:
-	movl    $6,%eax
-	MACHDEP_SYSCALL_TRAP
-	jnb		2f
-	jmp		tramp_cerror
-2:	ret
-
-
-	.globl _i386_set_ldt
-	ALIGN
-_i386_set_ldt:
-	movl    $5,%eax
-	MACHDEP_SYSCALL_TRAP
-	jnb		2f
-	jmp		tramp_cerror
-2:	ret
-
-	ALIGN
-	.globl __thread_set_tsd_base
-__thread_set_tsd_base:
-	pushl   4(%esp)
-	pushl   $0
-	movl    $3,%eax
-	MACHDEP_SYSCALL_TRAP
-	addl    $8,%esp
-	ret
-
-#elif defined(__x86_64__)
-
-	.globl _i386_get_ldt
-	ALIGN
-_i386_get_ldt:
-	movl    $SYSCALL_CONSTRUCT_MDEP(6), %eax
-	MACHDEP_SYSCALL_TRAP
-	jnb		2f
-	movq	%rax, %rdi
-	jmp		_cerror
-2:	ret
-
-
-	.globl _i386_set_ldt
-	ALIGN
-_i386_set_ldt:
-	movl    $SYSCALL_CONSTRUCT_MDEP(5), %eax
-	MACHDEP_SYSCALL_TRAP
-	jnb		2f
-	movq	%rax, %rdi
-	jmp		_cerror
-2:	ret
-
-	ALIGN
-	.globl __thread_set_tsd_base
-__thread_set_tsd_base:
-	movl	$0, %esi	// 0 as the second argument
-	movl    $ SYSCALL_CONSTRUCT_MDEP(3), %eax	// Machine-dependent syscall number 3
-	MACHDEP_SYSCALL_TRAP
-	ret
-
-#elif defined(__arm__)
-
-	.align 2
-	.globl __thread_set_tsd_base
-__thread_set_tsd_base:
-	mov	r3, #2
-	mov	r12, #0x80000000
-	swi	#SWI_SYSCALL
-	bx	lr
-
-#elif defined(__arm64__)
-
-	.align 2
-	.globl __thread_set_tsd_base
-__thread_set_tsd_base:
-	mov	x3, #2
-	mov	x16, #0x80000000
-	svc 	#SWI_SYSCALL
-	ret
-
-#else
-#error unknown architecture
-#endif
-
-.subsections_via_symbols