--- libmalloc/libmalloc-715.100.22/src/wrapper_zones.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (c) 2023 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@
- */
-
-#include "internal.h"
-
-
-// Retrieve PAC-stripped address of introspection struct.  We avoid
-// authenticating the pointer when loading it's value, because we can't
-// authenticate pointers copied from remote processes (or corpses).
-static vm_address_t
-get_introspection_addr(const malloc_zone_t *zone)
-{
-	// return zone->malloc_zone.introspect;  // but without ptrauth
-	vm_address_t ptr_addr =
-			(vm_address_t)zone + offsetof(malloc_zone_t, introspect);
-	vm_address_t addr = *(vm_address_t *)ptr_addr;
-	return (vm_address_t)ptrauth_strip((malloc_introspection_t *)addr,
-			ptrauth_key_process_independent_data);
-}
-
-kern_return_t
-get_zone_type(task_t task, memory_reader_t reader,
-		vm_address_t zone_address, unsigned *zone_type)
-{
-	MALLOC_ASSERT(reader);
-
-	kern_return_t kr;
-	*zone_type = MALLOC_ZONE_TYPE_UNKNOWN;
-
-	// malloc_introspection_t::zone_type requires zone version >= 14
-	malloc_zone_t *zone;
-	kr = reader(task, zone_address, sizeof(malloc_zone_t), (void **)&zone);
-	if (kr != KERN_SUCCESS) {
-		return kr;
-	}
-	if (zone->version < 14) {
-		return KERN_SUCCESS;
-	}
-
-	// Retrieve zone type
-	vm_address_t zone_type_addr = get_introspection_addr(zone) +
-			offsetof(malloc_introspection_t, zone_type);
-	unsigned *zt;
-	kr = reader(task, zone_type_addr, sizeof(unsigned), (void **)&zt);
-	if (kr != KERN_SUCCESS) {
-		return kr;
-	}
-
-	*zone_type = *zt;
-	return KERN_SUCCESS;
-}
-
-kern_return_t
-malloc_get_wrapped_zone(task_t task, memory_reader_t reader,
-		vm_address_t zone_address, vm_address_t *wrapped_zone_address)
-{
-	reader = reader_or_in_memory_fallback(reader, task);
-
-	kern_return_t kr;
-	*wrapped_zone_address = (vm_address_t)NULL;
-
-	unsigned zone_type;
-	kr = get_zone_type(task, reader, zone_address, &zone_type);
-	if (kr != KERN_SUCCESS) {
-		return kr;
-	}
-	if (zone_type != MALLOC_ZONE_TYPE_PGM &&
-			zone_type != MALLOC_ZONE_TYPE_SANITIZER) {
-		return KERN_SUCCESS;
-	}
-
-	// Load wrapped zone address
-	vm_address_t wrapped_zone_ptr_addr = zone_address + WRAPPED_ZONE_OFFSET;
-	vm_address_t *wrapped_zone_addr;
-	kr = reader(task, wrapped_zone_ptr_addr, sizeof(vm_address_t),
-			(void **)&wrapped_zone_addr);
-	if (kr != KERN_SUCCESS) {
-		return kr;
-	}
-
-	*wrapped_zone_address = *wrapped_zone_addr;
-	return KERN_SUCCESS;
-}
-
-// Internal, in-process helper for task-based SPI
-malloc_zone_t *
-get_wrapped_zone(malloc_zone_t *zone)
-{
-	malloc_zone_t *wrapped_zone;
-	kern_return_t kr = malloc_get_wrapped_zone(mach_task_self(),
-			/*memory_reader=*/NULL, (vm_address_t)zone, (vm_address_t *)&wrapped_zone);
-	MALLOC_ASSERT(kr == KERN_SUCCESS);  // In-process lookup cannot fail
-	return wrapped_zone;
-}