--- Libc/Libc-1725.40.4/libdarwin/exception.c
+++ /dev/null
@@ -1,207 +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@
- */
-#include "internal.h"
-
-#pragma mark Assertions
-static_assert(_OS_CRASH_LAST < OS_CRASH_PORT_ARRAY_COUNT,
-		"array not large enough");
-
-#pragma mark Private Utilities
-static thread_state_flavor_t
-_exception_thread_state_flavor(void)
-{
-	thread_state_flavor_t flavor = 0;
-#if defined(__i386__) || defined(__x86_64__)
-	flavor = x86_THREAD_STATE;
-#elif defined(__arm__) || defined(__arm64__)
-	flavor = ARM_THREAD_STATE;
-#else // defined(__i386__) || defined(__x86_64__)
-#error "unsupported architecture"
-#endif // defined(__i386__) || defined(__x86_64__)
-	return flavor;
-}
-
-static exception_mask_t
-_exception_mask(os_crash_flags_t flags)
-{
-	exception_mask_t mask = 0;
-	if (flags & OS_CRASH_FLAG_CRASH) {
-		mask |= EXC_MASK_CRASH;
-	}
-	if (flags & OS_CRASH_FLAG_GUARD) {
-		mask |= EXC_MASK_GUARD;
-	}
-	if (flags & OS_CRASH_FLAG_RESOURCE) {
-		mask |= EXC_MASK_RESOURCE;
-	}
-	if (flags & OS_CRASH_FLAG_CORPSE) {
-		mask |= EXC_MASK_CORPSE_NOTIFY;
-		mask &= (exception_mask_t)(~EXC_MASK_CRASH);
-	}
-	return mask;
-}
-
-static exception_behavior_t
-_exception_behavior(void)
-{
-	return (EXCEPTION_STATE_IDENTITY|MACH_EXCEPTION_CODES);
-}
-
-static void
-_os_exception_port_set(os_crash_port_t *ep,
-		os_crash_type_t type, mach_port_t p)
-{
-	kern_return_t kr = KERN_FAILURE;
-
-	ep->oep_type = type;
-	ep->oep_port = p;
-
-	kr = mach_port_mod_refs(mach_task_self(), p, MACH_PORT_RIGHT_SEND, 1);
-	if (kr == KERN_SUCCESS) {
-		ep->oep_port = p;
-	} else {
-		ep->oep_port = MACH_PORT_DEAD;
-	}
-}
-
-#pragma mark API
-kern_return_t
-os_crash_set_reporter_port(mach_port_t where,
-		os_crash_flags_t flags,  mach_port_t p)
-{
-	kern_return_t kr = KERN_FAILURE;
-	exception_mask_t mask = _exception_mask(flags);
-	exception_behavior_t bhvr = _exception_behavior();
-	thread_state_flavor_t flvr = _exception_thread_state_flavor();
-	mach_port_t host_priv = MACH_PORT_NULL;
-
-	// If we're not privleged to get the host-privileged port, no big deal, then
-	// the comparison below will fail.
-	(void)host_get_host_priv_port(mach_host_self(), &host_priv);
-
-	if (flags == OS_CRASH_FLAG_INIT) {
-		return KERN_SUCCESS;
-	}
-
-	if (where == mach_host_self() || where == host_priv) {
-		kr = host_set_exception_ports(where, mask, p, bhvr, flvr);
-	} else {
-		kr = task_set_exception_ports(where, mask, p, bhvr, flvr);
-	}
-
-	return kr;
-}
-
-kern_return_t
-os_crash_get_reporter_port_array(mach_port_t where, os_crash_port_array_t array)
-{
-	kern_return_t kr = KERN_FAILURE;
-	exception_mask_t masks[EXC_TYPES_COUNT];
-	mach_msg_type_number_t nmasks = 0;
-	exception_port_t ports[EXC_TYPES_COUNT];
-	exception_behavior_t behaviors[EXC_TYPES_COUNT];
-	thread_state_flavor_t flavors[EXC_TYPES_COUNT];
-	exception_mask_t mask = EXC_MASK_CRASH
-		| EXC_MASK_GUARD
-		| EXC_MASK_RESOURCE
-		| EXC_MASK_CORPSE_NOTIFY;
-	size_t i = 0;
-	size_t j = 0;
-	mach_port_t host_priv = MACH_PORT_NULL;
-
-	(void)host_get_host_priv_port(mach_host_self(), &host_priv);
-
-	if (where == mach_host_self() || where == host_priv) {
-		kr = host_get_exception_ports(mach_host_self(), mask,
-				masks, &nmasks, ports, behaviors, flavors);
-	} else {
-		kr = task_get_exception_ports(where, mask,
-				masks, &nmasks, ports, behaviors, flavors);
-	}
-
-	if (kr) {
-		goto __out;
-	}
-
-	bzero(array, sizeof(array[0]) * OS_CRASH_PORT_ARRAY_COUNT);
-	for (i = 0; i < nmasks; i++) {
-		if (masks[i] & EXC_MASK_CRASH) {
-			_os_exception_port_set(&array[j], OS_CRASH_CRASH, ports[i]);
-			j++;
-		}
-		if (masks[i] & EXC_MASK_GUARD) {
-			_os_exception_port_set(&array[j], OS_CRASH_GUARD, ports[i]);
-			j++;
-		}
-		if (masks[i] & EXC_MASK_RESOURCE) {
-			_os_exception_port_set(&array[j], OS_CRASH_RESOURCE, ports[i]);
-			j++;
-		}
-		if (masks[i] & EXC_MASK_CORPSE_NOTIFY) {
-			_os_exception_port_set(&array[j], OS_CRASH_CORPSE, ports[i]);
-			j++;
-		}
-		kr = mach_port_deallocate(mach_task_self(), ports[i]);
-		os_assert_mach("deallocate port", kr);
-	}
-
-__out:
-	return kr;
-}
-
-void
-os_crash_port_array_deallocate(os_crash_port_array_t array)
-{
-	size_t i = 0;
-
-	for (i = 0; i < 16; i++) {
-		if (MACH_PORT_VALID(array[i].oep_port)) {
-			kern_return_t kr = KERN_FAILURE;
-			kr = mach_port_deallocate(mach_task_self(), array[i].oep_port);
-			os_assert_mach("deallocate port", kr);
-		}
-	}
-}
-
-kern_return_t
-os_crash_spawnattr_set_reporter_port(posix_spawnattr_t *psattr,
-		os_crash_flags_t flags,  mach_port_t p)
-{
-	int error = -1;
-	exception_mask_t mask = _exception_mask(flags);
-	exception_behavior_t bhvr = _exception_behavior();
-	thread_state_flavor_t flvr = _exception_thread_state_flavor();
-
-	if (!MACH_PORT_VALID(p)) {
-		return KERN_INVALID_NAME;
-	}
-
-	if (flags == OS_CRASH_FLAG_INIT) {
-		return KERN_SUCCESS;
-	}
-
-	error = posix_spawnattr_setexceptionports_np(psattr, mask, p, bhvr, flvr);
-	os_assert_zero(error);
-
-	return KERN_SUCCESS;
-}