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      如何通過崩潰地址找到出錯的代碼行

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      發(fā)表于 2008-9-28 16:23:00 | 只看該作者 |倒序瀏覽 |閱讀模式
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">作為程序員,我們平時最擔(dān)心見到的事情是什么?是內(nèi)存泄漏?是界面不好看?……錯啦!我相信我的看法是不會有人反對的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">--</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">那就是,程序發(fā)生了崩潰!</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>7 x" y5 e6 T) |0 ?! L( m
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">“該程序執(zhí)行了非法操作,即將關(guān)閉。請與你的軟件供應(yīng)商聯(lián)系?!?,呵呵,這句</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> M$ </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">的“名言”,恐怕就是程序員最擔(dān)心見到的東西了。有的時候,自己的程序在自己的機器上運行得好好的,但是到了別人的機器上就崩潰了;有時自己在編寫和測試的過程中就莫名其妙地遇到了非法操作,但是卻無法確定到底是源代碼中的哪行引起的……是不是很痛苦呢?不要緊,本文可以幫助你走出這種困境,甚至你從此之后可以自豪地要求用戶把崩潰地址告訴你,然后你就可以精確地定位到源代碼中出錯的那行了。(很神奇吧?呵呵。)</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
      7 R, u* ?- j! v6 {$ F<P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">首先我必須強調(diào)的是,本方法可以在目前市面上任意一款編譯器上面使用。但是我只熟悉</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> M$ </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> VC </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">和</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MASM </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">,因此后面的部分只介紹如何在這兩個編譯器中實現(xiàn),請讀者自行融會貫通,掌握在別的編譯器上使用的方法。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
      . l4 f, A% U/ O1 N/ _3 {+ Q<P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">Well</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">,廢話說完了,讓我們開始!</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">:)</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
      9 s' R, u) o# J5 u- Z0 l<P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">首先必須生成程序的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件。什么是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件?簡單地講,</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件是程序的全局符號、源文件和代碼行號信息的唯一的文本表示方法,它可以在任何地方、任何時候使用,不需要有額外的程序進行支持。而且,這是唯一能找出程序崩潰的地方的救星。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>0 L% }3 b5 F3 q* |3 G% A' |
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">好吧,既然</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件如此神奇,那么我們應(yīng)該如何生成它呢?在</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> VC </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">中,我們可以按下</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> Alt+F7 </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">,打開“</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">Project Settings</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">”選項頁,選擇</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> C/C++ </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">選項卡,并在最下面的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> Project Options </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">里面輸入:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">/Zd </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">,然后要選擇</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> Link </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">選項卡,在最下面的</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> <SPAN lang=EN-US>Project Options </SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">里面輸入:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> /mapinfo:lines </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">和</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> /map:PROJECT_NAME.map </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">。最后按下</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> F7 </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">來編譯生成</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> EXE </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">可執(zhí)行文件和</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>- ~! v: Q6 q7 N7 E: L. [. l- ]
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">在</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MASM </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">中,我們要設(shè)置編譯和連接參數(shù),我通常是這樣做的:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
      " V3 q$ U+ k# v6 F0 i, g. w<P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">rc %1.rc<BR>ml /c /coff /Zd %1.asm<BR>link /subsystem:windows /mapinfo:exports /mapinfo:lines /map:%1.map %1.obj %1.res <o:p></o:p></SPAN></P>4 \2 E  i7 }4 s1 {: U
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">把它保存成</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> makem.bat </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">,就可以在命令行輸入</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> makem filename </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">來編譯生成</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> EXE </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">可執(zhí)行文件和</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件了。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>- }8 d6 i0 c, a
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">在此我先解釋一下加入的參數(shù)的含義:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>4 X6 l+ {" S1 P4 F
      <P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">/Zd </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">表示在編譯的時候生成行信息</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><BR>/map[:filename] </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">表示生成</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件的路徑和文件名</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><BR>/mapinfo:lines </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">表示生成</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件時,加入行信息</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><BR>/mapinfo:exports </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">表示生成</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件時,加入</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> exported functions </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">(如果生成的是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> DLL </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件,這個選項就要加上)</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></P>
      3 M* C- V9 l% _% W+ j3 V<P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">OK</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">,通過上面的步驟,我們已經(jīng)得到了</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件,那么我們該如何利用它呢?</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
      4 W5 r- _& C# i6 f$ k<P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">讓我們從簡單的實例入手,請打開你的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> VC </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">,新建這樣一個文件:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>+ R4 M. y( E: q5 g
      <P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">01 <A href="file://****************************************************************/"><FONT color=#333333>file://****************************************************************</FONT></A><BR>02 <A href="file://程/"><FONT color=#333333>file://<SPAN style="FONT-FAMILY: 宋體; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">程</SPAN></FONT></A></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">序名稱:演示如何通過崩潰地址找出源代碼的出錯行</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><BR>03 <A href="file://作/"><FONT color=#333333>file://<SPAN style="FONT-FAMILY: 宋體; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">作</SPAN></FONT></A></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">者:羅聰</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><BR>04 <A href="file://日/"><FONT color=#333333>file://<SPAN style="FONT-FAMILY: 宋體; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">日</SPAN></FONT></A></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">期:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">2003-2-7<BR>05 <A href="file://出/"><FONT color=#333333>file://<SPAN style="FONT-FAMILY: 宋體; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">出</SPAN></FONT></A></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">處:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><A href="http://www.luocong.com/"><FONT color=#333333>http://www.luocong.com</FONT></A></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">(老羅的繽紛天地)</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><BR>06 <A href="file://本/"><FONT color=#333333>file://<SPAN style="FONT-FAMILY: 宋體; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">本</SPAN></FONT></A></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">程序會產(chǎn)生“除</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">0</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">錯誤”,以至于會彈出“非法操作”對話框。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><BR>07 <A href="file:///"><FONT color=#333333>file://“</FONT></A></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">除</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">0</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">錯誤”只會在</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> Debug </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">版本下產(chǎn)生,本程序為了演示而盡量簡化。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><BR>08 <A href="file://注/"><FONT color=#333333>file://<SPAN style="FONT-FAMILY: 宋體; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">注</SPAN></FONT></A></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">意事項:如欲轉(zhuǎn)載,請保持本程序的完整,并注明:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><BR>09 <A href="file://轉(zhuǎn)/"><FONT color=#333333>file://<SPAN style="FONT-FAMILY: 宋體; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">轉(zhuǎn)</SPAN></FONT></A></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">載自“老羅的繽紛天地”(</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><A href="http://www.luocong.com/"><FONT color=#333333>http://www.luocong.com</FONT></A></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">)</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><BR>10 <A href="file://****************************************************************/"><FONT color=#333333>file://****************************************************************</FONT></A><BR>11 <BR>12 void Crash(void)<BR>13 {<BR>14 int i = 1;<BR>15 int j = 0;<BR>16 i /= j;<BR>17 }<BR>18 <BR>19 void main(void)<BR>20 {<BR>21 Crash();<BR>22 } <o:p></o:p></SPAN></P>
      5 e. X8 _7 T! G4 y# V& d& U<P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">很顯然本程序有“除</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">0</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">錯誤”,在</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> Debug </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">方式下編譯的話,運行時肯定會產(chǎn)生“非法操作”。好,讓我們運行它,果然,“非法操作”對話框出現(xiàn)了,這時我們點擊“詳細信息”按鈕,記錄下產(chǎn)生崩潰的地址</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">--</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">在我的機器上是</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> <SPAN lang=EN-US>0x0040104a </SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>$ i6 I1 ?  P! \: `
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">再看看它的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件:(由于文件內(nèi)容太長,中間沒用的部分我進行了省略)</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
      # ?& j% X, R: }. A3 c<P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">CrashDemo<o:p></o:p></SPAN></P>
      * u/ [. U  a4 z* l<P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">Timestamp is 3e430a76 (Fri Feb 07 09:23:02 2003)<o:p></o:p></SPAN></P>
      4 L# n( [( D! p7 B! S<P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">Preferred load address is 00400000<o:p></o:p></SPAN></P>
      $ \2 {3 \8 m- Y, U+ o8 _; J5 d9 Y3 b<P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">Start Length Name Class<BR>0001:00000000 0000de04H .text CODE<BR>0001:0000de04 0001000cH .textbss CODE<BR>0002:00000000 00001346H .rdata DATA<BR>0002:00001346 00000000H .edata DATA<BR>0003:00000000 00000104H .CRT$XCA DATA<BR>0003:00000104 00000104H .CRT$XCZ DATA<BR>0003:00000208 00000104H .CRT$XIA DATA<BR>0003:0000030c 00000109H .CRT$XIC DATA<BR>0003:00000418 00000104H .CRT$XIZ DATA<BR>0003:0000051c 00000104H .CRT$XPA DATA<BR>0003:00000620 00000104H .CRT$XPX DATA<BR>0003:00000724 00000104H .CRT$XPZ DATA<BR>0003:00000828 00000104H .CRT$XTA DATA<BR>0003:0000092c 00000104H .CRT$XTZ DATA<BR>0003:00000a30 00000b93H .data DATA<BR>0003:000015c4 00001974H .bss DATA<BR>0004:00000000 00000014H .idata$2 DATA<BR>0004:00000014 00000014H .idata$3 DATA<BR>0004:00000028 00000110H .idata$4 DATA<BR>0004:00000138 00000110H .idata$5 DATA<BR>0004:00000248 000004afH .idata$6 DATA<o:p></o:p></SPAN></P>% W/ b9 O3 L# m/ X2 |
      <P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">Address Publics by Value Rva+Base Lib:Object<o:p></o:p></SPAN></P>
      / _- Q2 u8 ^" r6 k# Z+ I<P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">0001:00000020 ?Crash@@YAXXZ 00401020 f CrashDemo.obj<BR>0001:00000070 _main 00401070 f CrashDemo.obj<BR>0004:00000000 __IMPORT_DESCRIPTOR_KERNEL32 00424000 kernel32:KERNEL32.dll<BR>0004:00000014 __NULL_IMPORT_DESCRIPTOR 00424014 kernel32:KERNEL32.dll<BR>0004:00000138 __imp__GetCommandLineA@0 00424138 kernel32:KERNEL32.dll<BR>0004:0000013c __imp__GetVersion@0 0042413c kernel32:KERNEL32.dll<BR>0004:00000140 __imp__ExitProcess@4 00424140 kernel32:KERNEL32.dll<BR>0004:00000144 __imp__DebugBreak@0 00424144 kernel32:KERNEL32.dll<BR>0004:00000148 __imp__GetStdHandle@4 00424148 kernel32:KERNEL32.dll<BR>0004:0000014c __imp__WriteFile@20 0042414c kernel32:KERNEL32.dll<BR>0004:00000150 __imp__InterlockedDecrement@4 00424150 kernel32:KERNEL32.dll<BR>0004:00000154 __imp__OutputDebugStringA@4 00424154 kernel32:KERNEL32.dll<BR>0004:00000158 __imp__GetProcAddress@8 00424158 kernel32:KERNEL32.dll<BR>0004:0000015c __imp__LoadLibraryA@4 0042415c kernel32:KERNEL32.dll<BR>0004:00000160 __imp__InterlockedIncrement@4 00424160 kernel32:KERNEL32.dll<BR>0004:00000164 __imp__GetModuleFileNameA@12 00424164 kernel32:KERNEL32.dll<BR>0004:00000168 __imp__TerminateProcess@8 00424168 kernel32:KERNEL32.dll<BR>0004:0000016c __imp__GetCurrentProcess@0 0042416c kernel32:KERNEL32.dll<BR>0004:00000170 __imp__UnhandledExceptionFilter@4 00424170 kernel32:KERNEL32.dll<BR>0004:00000174 __imp__FreeEnvironmentStringsA@4 00424174 kernel32:KERNEL32.dll<BR>0004:00000178 __imp__FreeEnvironmentStringsW@4 00424178 kernel32:KERNEL32.dll<BR>0004:0000017c __imp__WideCharToMultiByte@32 0042417c kernel32:KERNEL32.dll<BR>0004:00000180 __imp__GetEnvironmentStrings@0 00424180 kernel32:KERNEL32.dll<BR>0004:00000184 __imp__GetEnvironmentStringsW@0 00424184 kernel32:KERNEL32.dll<BR>0004:00000188 __imp__SetHandleCount@4 00424188 kernel32:KERNEL32.dll<BR>0004:0000018c __imp__GetFileType@4 0042418c kernel32:KERNEL32.dll<BR>0004:00000190 __imp__GetStartupInfoA@4 00424190 kernel32:KERNEL32.dll<BR>0004:00000194 __imp__HeapDestroy@4 00424194 kernel32:KERNEL32.dll<BR>0004:00000198 __imp__HeapCreate@12 00424198 kernel32:KERNEL32.dll<BR>0004:0000019c __imp__HeapFree@12 0042419c kernel32:KERNEL32.dll<BR>0004:000001a0 __imp__VirtualFree@12 004241a0 kernel32:KERNEL32.dll<BR>0004:000001a4 __imp__RtlUnwind@16 004241a4 kernel32:KERNEL32.dll<BR>0004:000001a8 __imp__GetLastError@0 004241a8 kernel32:KERNEL32.dll<BR>0004:000001ac __imp__SetConsoleCtrlHandler@8 004241ac kernel32:KERNEL32.dll<BR>0004:000001b0 __imp__IsBadWritePtr@8 004241b0 kernel32:KERNEL32.dll<BR>0004:000001b4 __imp__IsBadReadPtr@8 004241b4 kernel32:KERNEL32.dll<BR>0004:000001b8 __imp__HeapValidate@12 004241b8 kernel32:KERNEL32.dll<BR>0004:000001bc __imp__GetCPInfo@8 004241bc kernel32:KERNEL32.dll<BR>0004:000001c0 __imp__GetACP@0 004241c0 kernel32:KERNEL32.dll<BR>0004:000001c4 __imp__GetOEMCP@0 004241c4 kernel32:KERNEL32.dll<BR>0004:000001c8 __imp__HeapAlloc@12 004241c8 kernel32:KERNEL32.dll<BR>0004:000001cc __imp__VirtualAlloc@16 004241cc kernel32:KERNEL32.dll<BR>0004:000001d0 __imp__HeapReAlloc@16 004241d0 kernel32:KERNEL32.dll<BR>0004:000001d4 __imp__MultiByteToWideChar@24 004241d4 kernel32:KERNEL32.dll<BR>0004:000001d8 __imp__LCMapStringA@24 004241d8 kernel32:KERNEL32.dll<BR>0004:000001dc __imp__LCMapStringW@24 004241dc kernel32:KERNEL32.dll<BR>0004:000001e0 __imp__GetStringTypeA@20 004241e0 kernel32:KERNEL32.dll<BR>0004:000001e4 __imp__GetStringTypeW@16 004241e4 kernel32:KERNEL32.dll<BR>0004:000001e8 __imp__SetFilePointer@16 004241e8 kernel32:KERNEL32.dll<BR>0004:000001ec __imp__SetStdHandle@8 004241ec kernel32:KERNEL32.dll<BR>0004:000001f0 __imp__FlushFileBuffers@4 004241f0 kernel32:KERNEL32.dll<BR>0004:000001f4 __imp__CloseHandle@4 004241f4 kernel32:KERNEL32.dll<BR>0004:000001f8 \177KERNEL32_NULL_THUNK_DATA 004241f8 kernel32:KERNEL32.dll<o:p></o:p></SPAN></P>
      * L; y. N: E2 r% _, m6 o9 e<P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">entry point at 0001:000000f0<o:p></o:p></SPAN></P>+ w7 B% T- d- O& G' Q1 z- p& b+ \
      <P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><BR>Line numbers for .\Debug\CrashDemo.obj(d:\msdev\myprojects\crashdemo\crashdemo.cpp) segment .text<o:p></o:p></SPAN></P>
      3 q+ ~, f, |2 W  `<P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">13 0001:00000020 14 0001:00000038 15 0001:0000003f 16 0001:00000046<BR>17 0001:00000050 20 0001:00000070 21 0001:00000088 22 0001:0000008d <o:p></o:p></SPAN></P>4 j) d: \1 g. ?4 W: I6 D8 d
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">如果仔細瀏覽</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> Rva+Base </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">這欄,你會發(fā)現(xiàn)第一個比崩潰地址</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> 0x0040104a </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">大的函數(shù)地址是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> 0x00401070 </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">,所以在</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> 0x00401070 </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">這個地址之前的那個入口就是產(chǎn)生崩潰的函數(shù),也就是這行:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
      * U. D) l8 V2 I% [* e<P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">0001:00000020 ?Crash@@YAXXZ 00401020 f CrashDemo.obj <o:p></o:p></SPAN></P>* Z+ F/ |5 p8 E+ I2 G& K
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">因此,發(fā)生崩潰的函數(shù)就是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> ?Crash@@YAXXZ </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">,所有以問號開頭的函數(shù)名稱都是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> C++ </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">修飾的名稱。在我們的源程序中,也就是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> Crash() </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">這個子函數(shù)。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
      7 o4 ^4 d7 ]! M% G, n4 F* p<P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">OK</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">,現(xiàn)在我們輕而易舉地便知道了發(fā)生崩潰的函數(shù)名稱,你是不是很興奮呢?呵呵,先別忙,接下來,更厲害的招數(shù)要出場了。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
      ; S! h% Q: i. i; {<P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">請注意</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件的最后部分</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">--</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">代碼行信息(</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">Line numbers information</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">),它是以這樣的形式顯示的:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>* x- j/ Q. h1 n6 H! m. z: u  x
      <P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">13 0001:00000020 <o:p></o:p></SPAN></P>, b+ U" t8 b' O: L
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">第一個數(shù)字代表在源代碼中的代碼行號,第二個數(shù)是該代碼行在所屬的代碼段中的偏移量。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
      " A! R/ H+ f$ D6 d) Z! W: b<P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">如果要查找代碼行號,需要使用下面的公式做一些十六進制的減法運算:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>( s3 Z$ l/ d2 @  H
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">崩潰行偏移</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> = </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">崩潰地址(</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">Crash Address</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">)</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> - </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">基地址(</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">ImageBase Address</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">)</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> - 0x1000 <o:p></o:p></SPAN></P>, H6 d, _% y! [$ R
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">為什么要這樣做呢?細心的朋友可能會留意到</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> Rva+Base </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">這欄了,我們得到的崩潰地址都是由</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">偏移地址(</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">Rva</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">)</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">+ </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">基地址(</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">Base</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">)</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">得來的,所以在計算行號的時候要把基地址減去,一般情況下,基地址的值是</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> <SPAN lang=EN-US>0x00400000 </SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">。另外,由于一般的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> PE </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件的代碼段都是從</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> 0x1000 </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">偏移開始的,所以也必須減去</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> 0x1000 </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>9 C2 `$ o/ e$ K, E: G3 R
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">好了,明白了這點,我們就可以來進行小學(xué)減法計算了:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>4 f. O% k. Z% z2 L6 l; D7 s
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">崩潰行偏移</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> = 0x0040104a - 0x00400000 - 0x1000 = 0x4a <o:p></o:p></SPAN></P>
      ( a* T- r9 C$ d8 W' r<P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">如果瀏覽</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件的代碼行信息,會看到不超過計算結(jié)果,但卻最接近的數(shù)是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> CrashDemo.cpp </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件中的:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>% e5 G0 q  B6 [. z: k
      <P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">16 0001:00000046 <o:p></o:p></SPAN></P>1 j+ @) I5 Y. M, G
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">也就是在源代碼中的第</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> 16 </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">行,讓我們來看看源代碼</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">:<o:p></o:p></SPAN></P>
      * x1 @/ J! A5 [8 S- o  ^2 D  n+ G. J<P style="LINE-HEIGHT: 150%"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">16 i /= j; <o:p></o:p></SPAN></P>- [7 T( b2 m% w+ O
      <P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">哈!??!果然就是第</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> 16 </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">行啊!</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
      9 K& Q6 L- {2 u: \<P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">興奮嗎?我也一樣!</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">:)</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
      % U6 [% r% n6 P0 g<P style="LINE-HEIGHT: 150%"><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">方法已經(jīng)介紹完了,從今以后,我們就可以精確地定位到源代碼中的崩潰行,而且只要編譯器可以生成</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> MAP </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">文件(包括</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> <SPAN lang=EN-US>VC</SPAN></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">MASM</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">VB</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">BCB</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial">Delphi</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">……),本方法都是適用的。我們時常抱怨</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> M$ </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">的產(chǎn)品如何如何差,但其實</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial"> M$ </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">還是有意無意間提供了很多有價值的信息給我們的,只是我們往往不懂得怎么利用而已……相信這樣一來,你就可以更為從容地面對“非法操作”提示了。你甚至可以要求用戶提供崩潰的地址,然后就可以坐在家中舒舒服服地找到出錯的那行,并進行修正。</SPAN></P>
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