--- dyld/dyld-941.4/libdyld/LibSystemHelpers.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * Copyright (c) 2017 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 <string.h>
-#include <stdint.h>
-#include <sys/errno.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <TargetConditionals.h>
-#include <_simple.h>
-#include <mach-o/dyld_priv.h>
-#include <malloc/malloc.h>
-#include <mach-o/dyld.h>
-#include <mach-o/dyld_priv.h>
-#include <dlfcn.h>
-#include <dlfcn_private.h>
-#include <libc_private.h>
-#include <ptrauth.h>
-#if !TARGET_OS_DRIVERKIT
-  #include <vproc_priv.h>
-#endif
-
-// atexit header is missing C++ guards
-extern "C" {
-    #include <System/atexit.h>
-}
-
-// libc is missing header declaration for this
-extern "C" int __cxa_atexit(void (*func)(void*), void* arg, void* dso);
-
-#include "LibSystemHelpers.h"
-#include "DyldProcessConfig.h"
-#include "DyldAPIs.h"
-
-// implemented in assembly
-extern "C" void* tlv_get_addr(dyld3::MachOAnalyzer::TLV_Thunk*);
-
-
-namespace dyld4 {
-
-uintptr_t LibSystemHelpers::version() const
-{
-    return 2;
-}
-
-void* LibSystemHelpers::malloc(size_t size) const
-{
-    return ::malloc(size);
-}
-
-void LibSystemHelpers::free(void* p) const
-{
-    ::free(p);
-}
-
-size_t LibSystemHelpers::malloc_size(const void* p) const
-{
-    return ::malloc_size(p);
-}
-
-kern_return_t LibSystemHelpers::vm_allocate(vm_map_t task, vm_address_t* address, vm_size_t size, int flags) const
-{
-    return ::vm_allocate(task, address, size, flags);
-}
-
-kern_return_t LibSystemHelpers::vm_deallocate(vm_map_t task, vm_address_t address, vm_size_t size) const
-{
-    return ::vm_deallocate(task, address, size);
-}
-
-// Note: driverkit uses a different arm64e ABI, so we cannot call libSystem's pthread_key_create() from dyld
-int LibSystemHelpers::pthread_key_create_free(pthread_key_t* key) const
-{
-    return ::pthread_key_create(key, &::free);
-}
-
-static void finalizeListTLV_thunk(void* list)
-{
-    // Called by pthreads when the current thread is going away
-    gDyld.apis->_finalizeListTLV(list);
-}
-
-// Note: driverkit uses a different arm64e ABI, so we cannot call libSystem's pthread_key_create() from dyld
-int LibSystemHelpers::pthread_key_create_thread_exit(pthread_key_t* key) const
-{
-    return ::pthread_key_create(key, &finalizeListTLV_thunk);
-}
-
-void* LibSystemHelpers::pthread_getspecific(pthread_key_t key) const
-{
-    return ::pthread_getspecific(key);
-}
-
-int LibSystemHelpers::pthread_setspecific(pthread_key_t key, const void* value) const
-{
-    return ::pthread_setspecific(key, value);
-}
-
-void LibSystemHelpers::__cxa_atexit(void (*func)(void*), void* arg, void* dso) const
-{
-#if !__arm64e__
-    // Note: for arm64e driverKit uses a different ABI for function pointers,
-    // but dyld does not support static terminators for arm64e
-    ::__cxa_atexit(func, arg, dso);
-#endif
-}
-
-void LibSystemHelpers::__cxa_finalize_ranges(const __cxa_range_t ranges[], unsigned int count) const
-{
-    ::__cxa_finalize_ranges(ranges, count);
-}
-
-bool LibSystemHelpers::isLaunchdOwned() const
-{
-#if TARGET_OS_DRIVERKIT
-    return false;
-#else
-    // the vproc_swap_integer() call has to be to libSystem.dylib's function - not a static copy in dyld
-    int64_t val = 0;
-    ::vproc_swap_integer(nullptr, VPROC_GSK_IS_MANAGED, nullptr, &val);
-	return ( val != 0 );
-#endif
-}
-
-void LibSystemHelpers::os_unfair_recursive_lock_lock_with_options(os_unfair_recursive_lock_t lock, os_unfair_lock_options_t options) const
-{
-    ::os_unfair_recursive_lock_lock_with_options(lock, options);
-}
-
-void LibSystemHelpers::os_unfair_recursive_lock_unlock(os_unfair_recursive_lock_t lock) const
-{
-    ::os_unfair_recursive_lock_unlock(lock);
-}
-
-void LibSystemHelpers::exit(int result) const
-{
-    ::exit(result);
-}
-
-const char* LibSystemHelpers::getenv(const char* key) const
-{
-    return ::getenv(key);
-}
-
-int LibSystemHelpers::mkstemp(char* templatePath) const
-{
-    return ::mkstemp(templatePath);
-}
-
-LibSystemHelpers::TLVGetAddrFunc LibSystemHelpers::getTLVGetAddrFunc() const
-{
-    return &::tlv_get_addr;
-}
-
-// Added in version 2
-
-void LibSystemHelpers::os_unfair_recursive_lock_unlock_forked_child(os_unfair_recursive_lock_t lock) const
-{
-    ::os_unfair_recursive_lock_unlock_forked_child(lock);
-}
-
-} // namespace dyld4
-