--- Libc/Libc-262/ppc/sys/vfork.s
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * Copyright (c) 1999 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
- * 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@
- */
-/* Copyright (c) 1998 Apple Computer, Inc.  All rights reserved.
- *
- *	File:	libc/ppc/sys/vfork.s
- *
- * HISTORY
- * 23-Jun-1998	Umesh Vaishampayan (umeshv@apple.com)
- *	Created from fork.s
- *
- */
-#if 0
-#import <sys/syscall.h>
-#import <architecture/ppc/asm_help.h>
-#import	<architecture/ppc/pseudo_inst.h>
-#import	<mach/ppc/syscall_sw.h>
-
-/* We use 8 bytes for LOCAL_VAR(1) and LOCAL_VAR(2) */
-NESTED(_vfork, 8, 0, 0, 0)
-	CALL_EXTERN(__cthread_fork_prepare)
-#if defined(__DYNAMIC__)
-.cstring
-LC1:
-	.ascii	"__dyld_fork_prepare\0"
-.text
-	.align 2
-	mflr	r0
-	bl	1f
-1:	mflr	r3
-	mtlr	r0
-	addis	r3,r3,ha16(LC1-1b)
-	addi	r3,r3,lo16(LC1-1b)
-	addi 	r4,r1,LOCAL_VAR(1)
-	bl 	__dyld_func_lookup
-	lwz	r3,LOCAL_VAR(1)(r1)
-	mtspr 	ctr,r3
-	bctrl	
-#endif
-	li	r0,SYS_vfork
-	sc
-	b	Lbotch			// error return
-
-	cmpwi	r4,0
-	beq	Lparent			// parent, since a1 == 0 in parent,
-					//		       1 in child
-#if defined(__DYNAMIC__)
-.cstring
-LC3:
-	.ascii	"__dyld_fork_child\0"
-.text
-	.align 2
-	mflr	r0
-	bl	1f
-1:	mflr	r3
-	mtlr	r0
-	addis	r3,r3,ha16(LC3-1b)
-	addi	r3,r3,lo16(LC3-1b)
-	addi 	r4,r1,LOCAL_VAR(1)
-	bl 	__dyld_func_lookup
-	lwz	r3,LOCAL_VAR(1)(r1)
-	mtspr 	ctr,r3
-	bctrl	
-#endif
-	li	r3,0
-	REG_TO_EXTERN(r3, EXT(_current_pid))
-	CALL_EXTERN(_fork_mach_init)
-	CALL_EXTERN(__cthread_fork_child)
-#if defined(__DYNAMIC__)
-.cstring
-LC4:
-	.ascii	"__dyld_fork_child_final\0"
-.text
-	.align 2
-	mflr	r0
-	bl	1f
-1:	mflr	r3
-	mtlr	r0
-	addis	r3,r3,ha16(LC4-1b)
-	addi	r3,r3,lo16(LC4-1b)
-	addi 	r4,r1,LOCAL_VAR(1)
-	bl 	__dyld_func_lookup
-	lwz	r3,LOCAL_VAR(1)(r1)
-	mtspr 	ctr,r3
-	bctrl	
-#endif
-
-	li	r3,0
-	b	Lreturn
-
-Lparent:
-#if defined(__DYNAMIC__)
-	stw	r3,LOCAL_VAR(2)(r1)	// save child pid
-	mflr	r0
-	bl	1f
-1:	mflr	r3
-	mtlr	r0
-	addis	r3,r3,ha16(LC2-1b)
-	addi	r3,r3,lo16(LC2-1b)
-	addi 	r4,r1,LOCAL_VAR(1)
-	bl 	__dyld_func_lookup
-	lwz	r3,LOCAL_VAR(1)(r1)
-	mtspr 	ctr,r3
-	bctrl		
-#endif
-	CALL_EXTERN(__cthread_fork_parent)
-#if defined(__DYNAMIC__)
-	lwz	r3,LOCAL_VAR(2)(r1)
-#endif
-	b	Lreturn
-
-Lbotch:	
-#if defined(__DYNAMIC__)
-.cstring
-LC2:
-	.ascii	"__dyld_fork_parent\0"
-.text
-	.align 2
-	stw	r3,LOCAL_VAR(2)(r1)	// save error value
-	mflr	r0
-	bl	1f
-1:	mflr	r3
-	mtlr	r0
-	addis	r3,r3,ha16(LC2-1b)
-	addi	r3,r3,lo16(LC2-1b)
-	addi 	r4,r1,LOCAL_VAR(1)
-	bl 	__dyld_func_lookup
-	lwz	r3,LOCAL_VAR(1)(r1)
-	mtspr 	ctr,r3
-	bctrl
-	lwz	r3,LOCAL_VAR(2)(r1)	// restore error value for cerror
-		
-#endif
-	CALL_EXTERN(cerror)
-	/*
-	 * We use cthread_fork_parent() to clean up after a fork error
-	 * (unlock cthreads and mailloc packages) so the parent
-	 * process can Malloc() after fork() errors without
-	 * deadlocking.
-	 */
-	CALL_EXTERN_AGAIN(__cthread_fork_parent)
-	li32	r3,-1			// error return
-Lreturn:	RETURN
-END(_vfork)
-#else
-#include "SYS.h"
-
-LEAF(_vfork)
-#if defined(__DYNAMIC__)
-	PICIFY(__current_pid)
-	mr	r5,PICIFY_REG
-	NON_LAZY_STUB(__current_pid)
-#else
-	lis	r5,ha16(__current_pid)
-	ori	r5,r5,lo16(__current_pid)
-#endif
-2:
-	lwarx	r6,0,r5			// dont cache pid across vfork
-	cmpwi	r6,0
-	ble-	3f			// is another vfork in progress
-	li	r6,0			// if not, erase the stored pid
-3:	
-	addi	r6,r6,-1		// count the parallel vforks in
-	stwcx.	r6,0,r5			// negative cached pid values
-	bne-	2b
-	
-	li	r0,SYS_vfork
-	sc
-	b	Lbotch			// error return
-
-	cmpwi	r4,0
-	beq	Lparent			// parent, since a1 == 0 in parent,
-
-	li	r3,0			// child
-	blr
-
-Lparent:
-	lwarx	r6,0,r5			// were back, decrement vfork count
-	addi	r6,r6,1
-	stwcx.	r6,0,r5
-	bne-	Lparent
-	blr
-
-Lbotch:
-	lwarx	r6,0,r5			// never went, decrement vfork count
-	addi	r6,r6,1
-	stwcx.	r6,0,r5
-	bne-	Lbotch
-
-	BRANCH_EXTERN(cerror)
-END(_vfork)
-#endif
-