--- libmalloc/libmalloc-374.100.5/src/msl_lite_support.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Copyright (c) 2018 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@
- */
-
-/*
- * Support for stack logging lite in the malloc stack logging library. This code
- * will go away when MSL lite no longer requires its own zone.
- */
-#ifndef MALLOC_ENABLE_MSL_LITE_SPI
-#define MALLOC_ENABLE_MSL_LITE_SPI 1
-#endif // MALLOC_ENABLE_MSL_LITE_SPI
-
-#include "internal.h"
-
-// These definitions are here and not in a header file because all of this code
-// is intended to go away very soon.
-extern malloc_zone_t **malloc_zones;
-extern malloc_zone_t* lite_zone;
-extern void malloc_zone_register_while_locked(malloc_zone_t *zone, bool make_default);
-extern boolean_t has_default_zone0(void);
-
-static szone_t *create_and_insert_msl_lite_zone(const char *name,
-		void *mallocp, void *callocp,
-		void *vallocp, void *reallocp, void *batch_mallocp,
-		void *batch_freep, void *memalignp, void *freep,
-		void *free_definite_sizep, void *sizep);
-
-static size_t
-_calloc_get_size(size_t num_items, size_t size, size_t extra_size,
-		size_t *total_size)
-{
-	// calloc_get_size is inlined.
-	return calloc_get_size(num_items, size, extra_size, total_size);
-}
-
-static malloc_zone_t *
-szone_helper_zone(szone_t *zone)
-{
-	return &zone->helper_zone->basic_zone;
-}
-
-static malloc_zone_t *
-szone_basic_zone(szone_t *zone)
-{
-	return &zone->basic_zone;
-}
-
-static struct _malloc_msl_lite_hooks_s malloc_msl_lite_hooks = {
-	.create_and_insert_msl_lite_zone = &create_and_insert_msl_lite_zone,
-	.helper_zone = &szone_helper_zone,
-	.szone_size = &szone_size,
-	.szone_malloc = &szone_malloc,
-	.szone_malloc_should_clear = &szone_malloc_should_clear,
-	.szone_free = &szone_free,
-	.szone_realloc = &szone_realloc,
-	.szone_valloc = &szone_valloc,
-	.szone_memalign = &szone_memalign,
-	.szone_batch_malloc = &szone_batch_malloc,
-	.szone_batch_free = &szone_batch_free,
-	.has_default_zone0 = &has_default_zone0,
-	.calloc_get_size = &_calloc_get_size,
-	.basic_zone = &szone_basic_zone,
-	.szone_good_size = &szone_good_size,
-};
-
-static szone_t *
-create_and_insert_msl_lite_zone(const char *name,
-		void *mallocp, void *callocp,
-		void *vallocp, void *reallocp, void *batch_mallocp,
-		void *batch_freep, void *memalignp, void *freep,
-		void *free_definite_sizep, void *sizep)
-{
-// TODO: this has to be locked in some way....
-	szone_t* szone = create_scalable_szone(0, malloc_debug_flags);
-	malloc_zone_t *zone = &szone->basic_zone;
-	
-	// unprotect function pointers
-	mprotect(szone, sizeof(szone->basic_zone), PROT_READ | PROT_WRITE);
-	
-	// set the function pointers
-	szone->basic_zone.malloc = mallocp;
-	szone->basic_zone.calloc = callocp;
-	szone->basic_zone.valloc = vallocp;
-	szone->basic_zone.realloc = reallocp;
-	szone->basic_zone.batch_malloc = batch_mallocp;
-	szone->basic_zone.batch_free = batch_freep;
-	szone->basic_zone.memalign = memalignp;
-	szone->basic_zone.free = freep;
-	szone->basic_zone.free_definite_size = free_definite_sizep;
-	szone->basic_zone.size = sizep;
-	
-	// protect function pointers
-	mprotect(szone, sizeof(szone->basic_zone), PROT_READ);
-	
-	// set helper zone
-	szone->helper_zone = (szone_t *)malloc_zones[0];  // TODO: this is broken
-	
-	malloc_zone_register_while_locked(zone, false);
-	malloc_set_zone_name(zone, name);
-	lite_zone = zone;
-
-	return szone;
-}
-
-/*
- * Copies the malloc library's _malloc_msl_lite_hooks_t structure to a given
- * location. We pass the structure size to allow the structure to
- * grow. Since this is a temporary arrangement, we don't need to worry about
- * pointer authentication here or in the _malloc_msl_lite_hooks_t structure itself.
- */
-MALLOC_NOEXPORT
-void
-set_msl_lite_hooks(set_msl_lite_hooks_callout_t callout)
-{
-	callout(&malloc_msl_lite_hooks, sizeof(malloc_msl_lite_hooks));
-}