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\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u5fdc\u3058\u3066\u3001\u4e00\u90e8\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u7570\u306a\u308b\u69cb\u6210\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001IBM System\/360\uff08IBM System Z\u3001Fujitsu B8000\u3001RCA Spectra\u3001\u304a\u3088\u3073Univac Series 90\u3068\u3068\u3082\u306b\uff09\u306b\u57fa\u3065\u304f\u6a5f\u5668\u306e\u5834\u5408\u3001\u547d\u4ee4\u306b\u306f16\u30d3\u30c3\u30c8\u306e\u5236\u9650\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001\u30a2\u30c9\u30ec\u30b9\u304c\u5076\u6570\u30d0\u30a4\u30c8\u3067\u958b\u59cb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3057\u305f\u3002\u5947\u5999\u306a\u30a2\u30c9\u30ec\u30b9\u306b\u30a2\u30d4\u30fc\u30eb\u3057\u3088\u3046\u3068\u3059\u308b\u8a66\u307f\u306f\u3001\u4ed5\u69d8\u3092\u9664\u304d\u3001\u7d42\u4e86\u3057\u307e\u3057\u305f [3] \u3002\u305d\u308c\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30c7\u30fc\u30bf\u306f\u30e1\u30e2\u30ea\u5185\u306e\u4efb\u610f\u306e\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u56de\u5fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u6307\u793a\u306b\u5fdc\u3058\u3066\u30011\u30d0\u30a4\u30c8\u4ee5\u4e0a\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u6b21\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306f\u3001\u30e1\u30e2\u30ea\u3078\u306e\u300c\u4e0d\u5747\u4e00\u306a\u300d\u30a2\u30af\u30bb\u30b9\u3092\u793a\u3057\u3066\u3044\u307e\u3059\uff08AT\uff06T\u69cb\u6587\u3067C\u3067\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\uff09\u3002        (adsbygoogle = window.adsbygoogle || []).push({});after-content-x4\uff03\u542b\u3080   int  \u4e3b\u8981 \uff08 int  argc \u3001  char  ** argv \uff09\uff09  {   int  * IPTR ;   char  * CPTR ;    #if defined\uff08__ gnuc__\uff09  \uff03\u5b9a\u7fa9\u306e\u5834\u5408\uff08__ i386__\uff09   \/ * x86\u3067\u306e\u30a4\u30b3\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u306e\u691c\u8a3c\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u5316 *\/      __asm__(\"pushfnorl $0x40000,(%esp)npopf\");# elif defined(__x86_64__)     \/* Aktywowanie walidacji wyr\u00f3wnania na x86_64 *\/    __asm__(\"pushfnorl $0x40000,(%rsp)npopf\");# endif#endif    \/* malloc() zawsze przydziela \"wyr\u00f3wnan\u0105\" pami\u0119\u0107 *\/    cptr = malloc(sizeof(int) + 1);        \/* Inkrementacja wska\u017anika o jeden, przez co stanie si\u0119 on niewyr\u00f3wnany *\/    iptr = (int *) ++cptr;    \/* Usuni\u0119cie referencji jako wska\u017anika typu 'int', kt\u00f3re spowoduje niewyr\u00f3wnany dost\u0119p *\/    *iptr = 42;    \/*       Poni\u017csze operacje spowoduj\u0105 wywo\u0142anie b\u0142\u0119du sigbus.       short *sptr;       int    i;       sptr = (short *)&i;       \/\/ Dla ka\u017cdej inkrementacji nieparzystych warto\u015bci nast\u0105pi \"sigbus\".       sptr = (short *)(((char *)sptr) + 1);       *sptr = 100;        *\/    return 0;}X86\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u52d5\u4f5c\u3059\u308bMIEX\u306b\u5f93\u3063\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u4e0a\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u7de8\u96c6\u304a\u3088\u3073\u8d77\u52d5\u3059\u308b\u3068\u3001\u63d0\u793a\u3055\u308c\u305f\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002 $ GCC -Ansi Sigbus.c -o Sigbus $ .\/sigbus \u30d0\u30b9\u30a8\u30e9\u30fc  $ gdb .\/sigbus \uff08GDB\uff09  r  \u30d7\u30ed\u30b0\u30e9\u30e0\u53d7\u4fe1\u4fe1\u53f7Sigbus\u3001\u30d0\u30b9\u30a8\u30e9\u30fc\u3002  0x080483ba in main\uff08\uff09  \uff08GDB\uff09  x\/i $ PC  0x80483BA \uff1amov dword ptr [eax]\u30010x2a  \uff08GDB\uff09  p\/x $ eax  $ \u521d\u3081  = 0x804a009 \uff08GDB\uff09  p\/t $ eax\uff06\uff08sizeof\uff08int\uff09-1\uff09  $ 2  =  \u521d\u3081  \u2191  \u30d0\u30b9\u30a8\u30e9\u30fc\uff08Solaris Common\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30ac\u30a4\u30c9\uff09 \u3001docs.oracle.com [\u30a2\u30af\u30bb\u30b92017-11-17]  \u3002  \u2191  C-\u30d0\u30b9\u30a8\u30e9\u30fc\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f – \u30b9\u30bf\u30c3\u30af\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc \u3001stackoverflow.com [\u30a2\u30af\u30bb\u30b92017-11-17]  \u3002  \u2191  z\/\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u539f\u5247 \u3001SA22-7832-04\u3001\u30da\u30fc\u30b86-6\u3001\u7b2c5\u7248\uff082005\u5e749\u6708\uff09IBM Corporation\u3001Poukeepsie\u3001NY\u3001 http:\/\/publibfp.dhe.ibm.com\/epubs\/pdf\/a2278324.pdf \uff082015\u5e7412\u670831\u65e5\u53d6\u5f97\uff09        (adsbygoogle = window.adsbygoogle || 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