方便测试，在网络搜索，汇总了下IOS崩溃的日志信息：
signal:
#defineSIGHUP1/* hangup */
#defineSIGINT2/* interrupt */
#defineSIGQUIT3/* quit */
#defineSIGILL4/* illegal instruction (not reset when caught) */
#defineSIGTRAP5/* trace trap (not reset when caught) */
#defineSIGABRT6/* abort() */
#if (defined(_POSIX_C_SOURCE) && !defined(_DARWIN_C_SOURCE))
#defineSIGPOLL7/* pollable event ([XSR] generated, not supported) */
#else/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
#defineSIGIOTSIGABRT/* compatibility */
#defineSIGEMT7/* EMT instruction */
#endif/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
#defineSIGFPE8/* floating point exception */
#defineSIGKILL9/* kill (cannot be caught or ignored) */
#defineSIGBUS10/* bus error */
#defineSIGSEGV11/* segmentation violation */
#defineSIGSYS12/* bad argument to system call */
#defineSIGPIPE13/* write on a pipe with no one to read it */
#defineSIGALRM14/* alarm clock */
#defineSIGTERM15/* software termination signal from kill */
#defineSIGURG16/* urgent condition on IO channel */
#defineSIGSTOP17/* sendable stop signal not from tty */
#defineSIGTSTP18/* stop signal from tty */
#defineSIGCONT19/* continue a stopped process */
#defineSIGCHLD20/* to parent on child stop or exit */
#defineSIGTTIN21/* to readers pgrp upon background tty read */
#defineSIGTTOU22/* like TTIN for output if (tp->t_local<OSTOP) */
#if (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
#defineSIGIO23/* input/output possible signal */
#endif
#defineSIGXCPU24/* exceeded CPU time limit */
#defineSIGXFSZ25/* exceeded file size limit */
#defineSIGVTALRM26/* virtual time alarm */
#defineSIGPROF27/* profiling time alarm */
#if (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
#define SIGWINCH28/* window size changes */
#define SIGINFO29/* information request */
#endif
#define SIGUSR130/* user defined signal 1 */
#define SIGUSR231/* user defined signal 2 */
#define EXC_BAD_ACCESS1/* Could not access memory */
/* Code contains kern_return_t describing error. */
/* Subcode contains bad memory address. */
#define EXC_BAD_INSTRUCTION2/* Instruction failed */
/* Illegal or undefined instruction or operand */
#define EXC_ARITHMETIC3/* Arithmetic exception */
/* Exact nature of exception is in code field */
#define EXC_EMULATION4/* Emulation instruction */
/* Emulation support instruction encountered */
/* Details in code and subcode fields*/
#define EXC_SOFTWARE5/* Software generated exception */
/* Exact exception is in code field. */
/* Codes 0 - 0xFFFF reserved to hardware */
/* Codes 0x10000 - 0x1FFFF reserved for OS emulation (Unix) */
#define EXC_BREAKPOINT6/* Trace, breakpoint, etc. */
/* Details in code field. */
#define EXC_SYSCALL7/* System calls. */
#define EXC_MACH_SYSCALL8/* Mach system calls. */
#define EXC_RPC_ALERT9/* RPC alert */
#define EXC_CRASH10/* Abnormal process exit */
