Enum ExceptionType 

#[repr(i32)]
pub enum ExceptionType {
    BadAccess = 1,
    BadInstruction = 2,
    Arithmetic = 3,
    Emulation = 4,
    Software = 5,
    Breakpoint = 6,
    SysCall = 7,
    MachSysCall = 8,
    RpcAlert = 9,
    Crash = 10,
    Resource = 11,
    Guard = 12,
    CorpseNotify = 13,
}

High level exception types

exception_types.h

Variants

BadAccess = 1

Could not access memory. (SIGSEGV/SIGBUS)

Code field contains kern_return_t describing error. Subcode field contains bad memory address.

BadInstruction = 2

Instruction failed. (SIGILL)

Illegal or undfined instruction or operand.

Arithmetic = 3

Arithmetic exception (SIGFPE)

Exact nature of the exception is in code field.

Emulation = 4

Emulation instruction

Emulation support instruction encountered Details in code and subcode fields.

Software = 5

Software generated exception

Exaction exception is in the code field. Codes 0 - 0xffff reserved to hardware. Codes 0x10000 - 0x1ffff reserved for OS emulation (Unix)

Breakpoint = 6

Trace, breakpoint, etc

Details in the code field

SysCall = 7

System calls

MachSysCall = 8

Mach system calls

RpcAlert = 9

RPC alert

Crash = 10

Abnormal process exit

Resource = 11

Hit resource consumption limit

Exact resource is in the code field.

Guard = 12

Violated guarded resource protections

CorpseNotify = 13

Abnormal process exited to corpse state