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--- xnu/xnu-12377.61.12/bsd/sys/reason.h
+++ xnu/xnu-4570.20.62/bsd/sys/reason.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019 Apple Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
@@ -38,21 +38,20 @@
 #include <kern/kern_cdata.h>
 
 #ifdef XNU_KERNEL_PRIVATE
-#include <os/refcnt.h>
 #include <kern/locks.h>
 
 typedef struct os_reason {
-	decl_lck_mtx_data(, osr_lock);
-	os_refcnt_t                     osr_refcount;
-	uint32_t                        osr_namespace;
-	uint64_t                        osr_code;
-	uint64_t                        osr_flags;
-	uint32_t                        osr_bufsize;
-	struct kcdata_descriptor        osr_kcd_descriptor;
-	char                            *osr_kcd_buf;
+	decl_lck_mtx_data(,       	osr_lock)
+	int				osr_refcount;
+	uint32_t			osr_namespace;
+	uint64_t			osr_code;
+	uint64_t			osr_flags;
+	uint32_t			osr_bufsize;
+	struct kcdata_descriptor	osr_kcd_descriptor;
+	char 				*osr_kcd_buf;
 } *os_reason_t;
 
-#define OS_REASON_NULL ((os_reason_t) NULL)
+#define OS_REASON_NULL ((os_reason_t) 0)
 
 /* We only include 800 bytes of the exit reason description to not blow through the panic buffer */
 #define LAUNCHD_PANIC_REASON_STRING_MAXLEN "800"
@@ -60,36 +59,11 @@
 void os_reason_init(void);
 
 os_reason_t build_userspace_exit_reason(uint32_t reason_namespace, uint64_t reason_code, user_addr_t payload, uint32_t payload_size,
-    user_addr_t reason_string, uint64_t reason_flags);
-char *exit_reason_get_string_desc(os_reason_t exit_reason);
+					user_addr_t reason_string, uint64_t reason_flags);
+char *launchd_exit_reason_get_string_desc(os_reason_t exit_reason);
 
 /* The blocking allocation is currently not exported to KEXTs */
 int os_reason_alloc_buffer(os_reason_t cur_reason, uint32_t osr_bufsize);
-
-typedef struct _exception_info {
-	int os_reason;
-	int signal;
-	exception_type_t exception_type;
-	mach_exception_data_type_t mx_code;
-	mach_exception_data_type_t mx_subcode;
-	struct kt_info {
-		int kt_subsys;
-		uint32_t kt_error;
-	} kt_info;
-} exception_info_t;
-
-#define PX_FLAGS_NONE           0
-/* think twice about userspace debugging experience before using PX_DEBUG_NO_HONOR */
-#define PX_DEBUG_NO_HONOR       (1 << 0) /* force exit even when debugging */
-#define PX_KTRIAGE              (1 << 1) /* leave a ktriage record */
-#define PX_PSIGNAL              (1 << 2) /* send sig instead of forced exit */
-#define PX_NO_EXCEPTION_UTHREAD (1 << 3) /* do not set bsdthread exception */
-
-int exit_with_mach_exception(struct proc *p, exception_info_t exception, uint32_t flags);
-#if CONFIG_EXCLAVES
-int exit_with_exclave_exception(struct proc *p, exception_info_t exception, uint32_t flags);
-#endif
-void exit_with_mach_exception_using_ast(exception_info_t exception, uint32_t flags, bool fatal);
 
 #else /* XNU_KERNEL_PRIVATE */
 
@@ -102,8 +76,7 @@
 struct kcdata_descriptor * os_reason_get_kcdata_descriptor(os_reason_t cur_reason);
 void os_reason_ref(os_reason_t cur_reason);
 void os_reason_free(os_reason_t cur_reason);
-void os_reason_set_flags(os_reason_t cur_reason, uint64_t flags);
-void os_reason_set_description_data(os_reason_t cur_reason, uint32_t type, void *reason_data, uint32_t reason_data_len);
+
 #endif /* KERNEL_PRIVATE */
 
 /*
@@ -124,71 +97,40 @@
 #define OS_REASON_REPORTCRASH   12
 #define OS_REASON_COREANIMATION 13
 #define OS_REASON_AGGREGATED    14
-#define OS_REASON_RUNNINGBOARD  15
-#define OS_REASON_ASSERTIOND    OS_REASON_RUNNINGBOARD  /* old name */
+#define OS_REASON_ASSERTIOND    15
 #define OS_REASON_SKYWALK       16
 #define OS_REASON_SETTINGS      17
 #define OS_REASON_LIBSYSTEM     18
 #define OS_REASON_FOUNDATION    19
 #define OS_REASON_WATCHDOG      20
 #define OS_REASON_METAL         21
-#define OS_REASON_WATCHKIT      22
-#define OS_REASON_GUARD         23
-#define OS_REASON_ANALYTICS     24
-#define OS_REASON_SANDBOX       25
-#define OS_REASON_SECURITY      26
-#define OS_REASON_ENDPOINTSECURITY      27
-#define OS_REASON_PAC_EXCEPTION 28
-#define OS_REASON_BLUETOOTH_CHIP 29
-#define OS_REASON_PORT_SPACE    30
-#define OS_REASON_WEBKIT        31
-#define OS_REASON_BACKLIGHTSERVICES 32
-#define OS_REASON_MEDIA 33
-#define OS_REASON_ROSETTA 34
-#define OS_REASON_LIBIGNITION 35
-#define OS_REASON_BOOTMOUNT 36
-#define OS_REASON_MTE_FAIL   37
-#define OS_REASON_REALITYKIT 38
-#define OS_REASON_AUDIO      39
-#define OS_REASON_WAKEBOARD  40
-#define OS_REASON_CORERC     41
-#define OS_REASON_SELF_RESTRICT 42
-#define OS_REASON_ARKIT      43
-#define OS_REASON_CAMERA     44
-#define OS_REASON_BACKBOARD  45
-#define OS_REASON_POWEREXCEPTIONS 46
-#define OS_REASON_SECINIT    47
 
 /*
  * Update whenever new OS_REASON namespaces are added.
  */
-#define OS_REASON_MAX_VALID_NAMESPACE OS_REASON_SECINIT
+#define OS_REASON_MAX_VALID_NAMESPACE OS_REASON_METAL
 
 #define OS_REASON_BUFFER_MAX_SIZE 5120
 
-#define OS_REASON_FLAG_NO_CRASH_REPORT          0x1    /* Don't create a crash report */
-#define OS_REASON_FLAG_GENERATE_CRASH_REPORT    0x2    /* Create a crash report - the default for userspace requests */
-#define OS_REASON_FLAG_FROM_USERSPACE           0x4    /* Reason created from a userspace syscall */
-#define OS_REASON_FLAG_FAILED_DATA_COPYIN       0x8    /* We failed to copyin data from userspace */
-#define OS_REASON_FLAG_PAYLOAD_TRUNCATED        0x10   /* The payload was truncated because it was longer than allowed */
-#define OS_REASON_FLAG_BAD_PARAMS               0x20   /* Invalid parameters were passed involved with creating this reason */
-#define OS_REASON_FLAG_CONSISTENT_FAILURE       0x40   /* Whatever caused this reason to be created will happen again */
-#define OS_REASON_FLAG_ONE_TIME_FAILURE         0x80   /* Whatever caused this reason to be created was a one time issue */
-#define OS_REASON_FLAG_NO_CRASHED_TID           0x100  /* Don't include the TID that processed the exit in the crash report */
-#define OS_REASON_FLAG_ABORT                    0x200  /* Reason created from abort_* rather than terminate_* */
-#define OS_REASON_FLAG_SHAREDREGION_FAULT       0x400  /* Fault happened within the shared cache region */
-#define OS_REASON_FLAG_CAPTURE_LOGS             0x800  /* The report generated for this reason should capture logs */
-#define OS_REASON_FLAG_SECURITY_SENSITIVE       0x1000 /* Mark as security sensitive for priority treatment */
+#define OS_REASON_FLAG_NO_CRASH_REPORT          0x1   /* Don't create a crash report */
+#define OS_REASON_FLAG_GENERATE_CRASH_REPORT    0x2   /* Create a crash report - the default for userspace requests */
+#define OS_REASON_FLAG_FROM_USERSPACE           0x4   /* Reason created from a userspace syscall */
+#define OS_REASON_FLAG_FAILED_DATA_COPYIN       0x8   /* We failed to copyin data from userspace */
+#define OS_REASON_FLAG_PAYLOAD_TRUNCATED        0x10  /* The payload was truncated because it was longer than allowed */
+#define OS_REASON_FLAG_BAD_PARAMS               0x20  /* Invalid parameters were passed involved with creating this reason */
+#define OS_REASON_FLAG_CONSISTENT_FAILURE       0x40  /* Whatever caused this reason to be created will happen again */
+#define OS_REASON_FLAG_ONE_TIME_FAILURE         0x80  /* Whatever caused this reason to be created was a one time issue */
+#define OS_REASON_FLAG_NO_CRASHED_TID           0x100 /* Don't include the TID that processed the exit in the crash report */
 
 /*
  * Set of flags that are allowed to be passed from userspace
  */
-#define OS_REASON_FLAG_MASK_ALLOWED_FROM_USER (OS_REASON_FLAG_CONSISTENT_FAILURE | OS_REASON_FLAG_ONE_TIME_FAILURE | OS_REASON_FLAG_NO_CRASH_REPORT | OS_REASON_FLAG_ABORT | OS_REASON_FLAG_CAPTURE_LOGS | OS_REASON_FLAG_SECURITY_SENSITIVE)
+#define OS_REASON_FLAG_MASK_ALLOWED_FROM_USER	(OS_REASON_FLAG_CONSISTENT_FAILURE | OS_REASON_FLAG_ONE_TIME_FAILURE | OS_REASON_FLAG_NO_CRASH_REPORT)
 
 /*
  * Macros to encode the exit reason namespace and first 32 bits of code in exception code
  * which is used by Report Crash as a hint. It should be only used as a hint since it
- * loses higher 32 bits of exit reason code.
+ * looses higher 32 bits of exit reason code.
  */
 #define ENCODE_OSR_NAMESPACE_TO_MACH_EXCEPTION_CODE(code, osr_namespace) \
 	(code) = (code) | (((osr_namespace) & ((uint64_t)UINT32_MAX)) << 32)
@@ -207,8 +149,7 @@
  *
  * Outputs:             Does not return.
  */
-void abort_with_reason(uint32_t reason_namespace, uint64_t reason_code, const char *reason_string, uint64_t reason_flags)
-__attribute__((noreturn, cold));
+void abort_with_reason(uint32_t reason_namespace, uint64_t reason_code, const char *reason_string, uint64_t reason_flags) __attribute__((noreturn));
 
 /*
  * abort_with_payload: Used to exit the current process and pass along
@@ -226,7 +167,7 @@
  * Outputs:             Does not return.
  */
 void abort_with_payload(uint32_t reason_namespace, uint64_t reason_code, void *payload, uint32_t payload_size, const char *reason_string,
-    uint64_t reason_flags) __attribute__((noreturn, cold));
+                                uint64_t reason_flags) __attribute__((noreturn));
 
 /*
  * terminate_with_reason: Used to terminate a specific process and pass along
@@ -238,9 +179,9 @@
  *                      args->reason_string - additional string formatted information about the request
  *                      args->reason_flags - options requested for how the process should be terminated (see OS_REASON_FLAG_* above)
  *
- * Outputs:             returns -1 and sets errno to EINVAL if the PID requested is the same as that of the calling process, invalid or the namespace provided is invalid.
- *                      returns -1 and sets errno to ESRCH if we couldn't find a live process with the requested PID
- *                      returns -1 and sets errno to EPERM if the caller is not privileged enough to kill the process with the requested PID
+ * Outputs:             EINVAL if the PID requested is the same as that of the calling process, invalid or the namespace provided is invalid.
+ *                      ESRCH if we couldn't find a live process with the requested PID
+ *                      EPERM if the caller is not privileged enough to kill the process with the requested PID
  *                      returns 0 otherwise
  */
 int terminate_with_reason(int pid, uint32_t reason_namespace, uint64_t reason_code, const char *reason_string, uint64_t reason_flags);
@@ -259,22 +200,22 @@
  *                      args->reason_string - additional string formatted information about the request
  *                      args->reason_flags - options requested for how the process should be terminated (see OS_REASON_FLAG_* above)
  *
- * Outputs:             returns -1 and sets errno to EINVAL if the PID requested is the same as that of the calling process, is invalid or the namespace provided is invalid.
- *                      returns -1 and sets errno to ESRCH if we couldn't find a live process with the requested PID
- *                      returns -1 and sets errno to EPERM if the caller is not privileged enough to kill the process with the requested PID
+ * Outputs:             EINVAL if the PID requested is the same as that of the calling process, is invalid or the namespace provided is invalid.
+ *                      ESRCH if we couldn't find a live process with the requested PID
+ *                      EPERM if the caller is not privileged enough to kill the process with the requested PID
  *                      returns 0 otherwise
  */
 int terminate_with_payload(int pid, uint32_t reason_namespace, uint64_t reason_code, void *payload, uint32_t payload_size,
-    const char *reason_string, uint64_t reason_flags);
+                                const char *reason_string, uint64_t reason_flags);
 #endif /* KERNEL */
 
 /*
  * codesigning exit reasons
  */
-#define CODESIGNING_EXIT_REASON_TASKGATED_INVALID_SIG           1
-#define CODESIGNING_EXIT_REASON_INVALID_PAGE                    2
-#define CODESIGNING_EXIT_REASON_TASK_ACCESS_PORT                3
-#define CODESIGNING_EXIT_REASON_LAUNCH_CONSTRAINT_VIOLATION     4
+#define CODESIGNING_EXIT_REASON_TASKGATED_INVALID_SIG 1
+#define CODESIGNING_EXIT_REASON_INVALID_PAGE          2
+#define CODESIGNING_EXIT_REASON_TASK_ACCESS_PORT      3
+
 /*
  * exec path specific exit reasons
  */
@@ -290,23 +231,6 @@
 #define EXEC_EXIT_REASON_FAIRPLAY_DECRYPT   10
 #define EXEC_EXIT_REASON_DECRYPT            11
 #define EXEC_EXIT_REASON_UPX                12
-#define EXEC_EXIT_REASON_NO32EXEC           13
-#define EXEC_EXIT_REASON_WRONG_PLATFORM     14
-#define EXEC_EXIT_REASON_MAIN_FD_ALLOC      15
-#define EXEC_EXIT_REASON_COPYOUT_ROSETTA    16
-#define EXEC_EXIT_REASON_SET_DYLD_INFO      17
-#define EXEC_EXIT_REASON_MACHINE_THREAD     18
-#define EXEC_EXIT_REASON_BAD_PSATTR         19
-#define EXEC_EXIT_REASON_NOX86EXEC          20
-#define EXEC_EXIT_REASON_MAP_EXEC_FAILURE   21
-/*
- * guard reasons
- */
-#define GUARD_REASON_VNODE       1
-#define GUARD_REASON_VIRT_MEMORY 2
-#define GUARD_REASON_MACH_PORT   3
-#define GUARD_REASON_EXCLAVES    4
-#define GUARD_REASON_JIT         5
 
 __END_DECLS