锘??xml version="1.0" encoding="utf-8" standalone="yes"?> 闈炴湰浜轟綔涔?鍥犻潪甯哥粡鍏?鎵浠ユ敹褰掓棗涓?涓庝紬浜洪槄涔?鍘熶綔鑰呬笉紲? 2.3鐢寵澶у皬鐨勯檺鍒?nbsp; 2.5鍫嗗拰鏍堜腑鐨勫瓨鍌ㄥ唴瀹?nbsp; 2.6瀛樺彇鏁堢巼鐨勬瘮杈?nbsp; char s1[] = "aaaaaaaaaaaaaaa"; windows榪涚▼涓殑鍐呭瓨緇撴瀯 鎺ヨЕ榪囩紪紼嬬殑浜洪兘鐭ラ亾錛岄珮綰ц璦閮借兘閫氳繃鍙橀噺鍚嶆潵璁塊棶鍐呭瓨涓殑鏁版嵁銆傞偅涔堣繖浜涘彉閲忓湪鍐呭瓨涓槸濡備綍瀛樻斁鐨勫憿錛熺▼搴忓張鏄浣曚嬌鐢ㄨ繖浜涘彉閲忕殑鍛紵涓嬮潰灝變細瀵規榪涜娣卞叆鐨勮璁恒備笅鏂囦腑鐨凜璇█浠g爜濡傛病鏈夌壒鍒0鏄庯紝榛樿閮戒嬌鐢╒C緙栬瘧鐨剅elease鐗堛?nbsp; 棣栧厛錛屾潵浜嗚В涓涓?nbsp;C 璇█鐨勫彉閲忔槸濡備綍鍦ㄥ唴瀛樺垎閮ㄧ殑銆侰 璇█鏈夊叏灞鍙橀噺(Global)銆佹湰鍦板彉閲?Local)錛岄潤鎬佸彉閲?Static)銆佸瘎瀛樺櫒鍙橀噺(Regeister)銆傛瘡縐嶅彉閲忛兘鏈変笉鍚岀殑鍒嗛厤鏂瑰紡銆傚厛鏉ョ湅涓嬮潰榪欐浠g爜錛?nbsp; #include <stdio.h> int g1=0, g2=0, g3=0; int main() //鎵撳嵃鍑哄悇涓彉閲忕殑鍐呭瓨鍦板潃 printf("0x%08x\n",&v1); //鎵撳嵃鍚勬湰鍦板彉閲忕殑鍐呭瓨鍦板潃 緙栬瘧鍚庣殑鎵ц緇撴灉鏄細 0x0012ff78 0x004068d0 0x004068dc 杈撳嚭鐨勭粨鏋滃氨鏄彉閲忕殑鍐呭瓨鍦板潃銆傚叾涓璿1,v2,v3鏄湰鍦板彉閲忥紝g1,g2,g3鏄叏灞鍙橀噺錛宻1,s2,s3鏄潤鎬佸彉閲忋備綘鍙互鐪嬪埌榪欎簺鍙橀噺鍦ㄥ唴瀛樻槸榪炵畫鍒嗗竷鐨勶紝浣嗘槸鏈湴鍙橀噺鍜屽叏灞鍙橀噺鍒嗛厤鐨勫唴瀛樺湴鍧宸簡鍗佷竾鍏崈閲岋紝鑰屽叏灞鍙橀噺鍜岄潤鎬佸彉閲忓垎閰嶇殑鍐呭瓨鏄繛緇殑銆傝繖鏄洜涓烘湰鍦板彉閲忓拰鍏ㄥ眬/闈欐佸彉閲忔槸鍒嗛厤鍦ㄤ笉鍚岀被鍨嬬殑鍐呭瓨鍖哄煙涓殑緇撴灉銆傚浜庝竴涓繘紼嬬殑鍐呭瓨絀洪棿鑰岃█錛屽彲浠ュ湪閫昏緫涓婂垎鎴?涓儴浠斤細浠g爜鍖猴紝闈欐佹暟鎹尯鍜屽姩鎬佹暟鎹尯銆傚姩鎬佹暟鎹尯涓鑸氨鏄?#8220;鍫嗘爤”銆?#8220;鏍?stack)”鍜?#8220;鍫?heap)”鏄袱縐嶄笉鍚岀殑鍔ㄦ佹暟鎹尯錛屾爤鏄竴縐嶇嚎鎬х粨鏋勶紝鍫嗘槸涓縐嶉摼寮忕粨鏋勩傝繘紼嬬殑姣忎釜綰跨▼閮芥湁縐佹湁鐨?#8220;鏍?#8221;錛屾墍浠ユ瘡涓嚎紼嬭櫧鐒朵唬鐮佷竴鏍鳳紝浣嗘湰鍦板彉閲忕殑鏁版嵁閮芥槸浜掍笉騫叉壈銆備竴涓爢鏍堝彲浠ラ氳繃“鍩哄湴鍧”鍜?#8220;鏍堥《”鍦板潃鏉ユ弿榪般傚叏灞鍙橀噺鍜岄潤鎬佸彉閲忓垎閰嶅湪闈欐佹暟鎹尯錛屾湰鍦板彉閲忓垎閰嶅湪鍔ㄦ佹暟鎹尯錛屽嵆鍫嗘爤涓傜▼搴忛氳繃鍫嗘爤鐨勫熀鍦板潃鍜屽亸縐婚噺鏉ヨ闂湰鍦板彉閲忋?nbsp; #include <stdio.h> void __stdcall func(int param1,int param2,int param3) int main() 緙栬瘧鍚庣殑鎵ц緇撴灉鏄細 0x0012ff78 0x0012ff68 ;--------------func 鍑芥暟鐨勬眹緙栦唬鐮?------------------ :00401000 83EC0C sub esp, 0000000C //鍒涘緩鏈湴鍙橀噺鐨勫唴瀛樼┖闂?nbsp; ……………………錛堢渷鐣ヨ嫢騫蹭唬鐮侊級 :00401075 83C43C add esp, 0000003C ;鎭㈠鍫嗘爤錛屽洖鏀舵湰鍦板彉閲忕殑鍐呭瓨絀洪棿 ;-------------------鍑芥暟緇撴潫------------------------- :00401080 6A03 push 00000003 //鍘嬪叆鍙傛暟param3 鑱槑鐨勮鑰呯湅鍒拌繖閲岋紝宸笉澶氬氨鏄庣櫧緙撳啿婧㈠嚭鐨勫師鐞嗕簡銆傚厛鏉ョ湅涓嬮潰鐨勪唬鐮侊細 #include <stdio.h> void __stdcall func() int main() 緙栬瘧鍚庢墽琛屼竴涓嬪洖鎬庝箞鏍鳳紵鍝堬紝“"0x00414141"鎸囦護寮曠敤鐨?0x00000000"鍐呭瓨銆傝鍐呭瓨涓嶈兘涓?read"銆?#8221;錛?#8220;闈炴硶鎿嶄綔”鍠斤紒"41"灝辨槸"A"鐨?6榪涘埗鐨凙SCII鐮佷簡錛岄偅鏄庢樉灝辨槸strcat榪欏彞鍑虹殑闂浜嗐?lpBuff"鐨勫ぇ灝忓彧鏈?瀛楄妭錛岀畻榪涚粨灝劇殑\0錛岄偅strcat鏈澶氬彧鑳藉啓鍏?涓?A"錛屼絾紼嬪簭瀹為檯鍐欏叆浜?1涓?A"澶栧姞1涓猏0銆傚啀鏉ョ湅鐪嬩笂闈㈤偅騫呭浘錛屽鍑烘潵鐨?涓瓧鑺傛濂借鐩栦簡RET鐨勬墍鍦ㄧ殑鍐呭瓨絀洪棿錛屽鑷村嚱鏁拌繑鍥炲埌涓涓敊璇殑鍐呭瓨鍦板潃錛屾墽琛屼簡閿欒鐨勬寚浠ゃ傚鏋滆兘綺懼績鏋勯犺繖涓瓧絎︿覆錛屼嬌瀹冨垎鎴愪笁閮ㄥ垎錛屽墠涓閮ㄤ喚浠呬粎鏄~鍏呯殑鏃犳剰涔夋暟鎹互杈懼埌婧㈠嚭鐨勭洰鐨勶紝鎺ョ潃鏄竴涓鐩朢ET鐨勬暟鎹紝绱ф帴鐫鏄竴孌祍hellcode錛岄偅鍙鐫涓猂ET鍦板潃鑳芥寚鍚戣繖孌祍hellcode鐨勭涓涓寚浠わ紝閭e嚱鏁拌繑鍥炴椂灝辮兘鎵цshellcode浜嗐備絾鏄蔣浠剁殑涓嶅悓鐗堟湰鍜屼笉鍚岀殑榪愯鐜閮藉彲鑳藉獎鍝嶈繖孌祍hellcode鍦ㄥ唴瀛樹腑鐨勪綅緗紝閭d箞瑕佹瀯閫犺繖涓猂ET鏄崄鍒嗗洶闅劇殑銆備竴鑸兘鍦≧ET鍜宻hellcode涔嬮棿濉厖澶ч噺鐨凬OP鎸囦護錛屼嬌寰梕xploit鏈夋洿寮虹殑閫氱敤鎬с?nbsp; #include <stdio.h> void func() void main() 紼嬪簭鎵ц緇撴灉涓猴細 0x004107d0 鍙互鍙戠幇鐢╪ew鍏抽敭瀛楀垎閰嶇殑鍐呭瓨鍗充笉鍦ㄦ爤涓紝涔熶笉鍦ㄩ潤鎬佹暟鎹尯銆俈C緙栬瘧鍣ㄦ槸閫氳繃windows涓嬬殑“鍫?heap)”鏉ュ疄鐜皀ew鍏抽敭瀛楃殑鍐呭瓨鍔ㄦ佸垎閰嶃傚湪璁?#8220;鍫?#8221;涔嬪墠錛屽厛鏉ヤ簡瑙d竴涓嬪拰“鍫?#8221;鏈夊叧鐨勫嚑涓狝PI鍑芥暟錛?nbsp; HeapAlloc 鍦ㄥ爢涓敵璇峰唴瀛樼┖闂?nbsp; 褰撹繘紼嬪垵濮嬪寲鏃訛紝緋葷粺浼氳嚜鍔ㄤ負榪涚▼鍒涘緩涓涓粯璁ゅ爢錛岃繖涓爢榛樿鎵鍗犲唴瀛樼殑澶у皬涓?M銆傚爢瀵硅薄鐢辯郴緇熻繘琛岀鐞嗭紝瀹冨湪鍐呭瓨涓互閾懼紡緇撴瀯瀛樺湪銆傞氳繃涓嬮潰鐨勪唬鐮佸彲浠ラ氳繃鍫嗗姩鎬佺敵璇峰唴瀛樼┖闂達細 HANDLE hHeap=GetProcessHeap(); 鍏朵腑hHeap鏄爢瀵硅薄鐨勫彞鏌勶紝buff鏄寚鍚戠敵璇風殑鍐呭瓨絀洪棿鐨勫湴鍧銆傞偅榪欎釜hHeap絀剁珶鏄粈涔堝憿錛熷畠鐨勫兼湁浠涔堟剰涔夊悧錛熺湅鐪嬩笅闈㈣繖孌典唬鐮佸惂錛?nbsp; #pragma comment(linker,"/entry:main") //瀹氫箟紼嬪簭鐨勫叆鍙?nbsp; _CRTIMP int (__cdecl *printf)(const char *, ...); //瀹氫箟STL鍑芥暟printf 鎵ц緇撴灉涓猴細 0x00130000 hHeap鐨勫兼庝箞鍜岄偅涓猙uff鐨勫奸偅涔堟帴榪戝憿錛熷叾瀹瀐Heap榪欎釜鍙ユ焺灝辨槸鎸囧悜HEAP棣栭儴鐨勫湴鍧銆傚湪榪涚▼鐨勭敤鎴峰尯瀛樼潃涓涓彨PEB(榪涚▼鐜鍧?鐨勭粨鏋勶紝榪欎釜緇撴瀯涓瓨鏀劇潃涓浜涙湁鍏寵繘紼嬬殑閲嶈淇℃伅錛屽叾涓湪PEB棣栧湴鍧鍋忕Щ0x18澶勫瓨鏀劇殑ProcessHeap灝辨槸榪涚▼榛樿鍫嗙殑鍦板潃錛岃屽亸縐?x90澶勫瓨鏀句簡鎸囧悜榪涚▼鎵鏈夊爢鐨勫湴鍧鍒楄〃鐨勬寚閽堛倃indows鏈夊緢澶欰PI閮戒嬌鐢ㄨ繘紼嬬殑榛樿鍫嗘潵瀛樻斁鍔ㄦ佹暟鎹紝濡倃indows 2000涓嬬殑鎵鏈堿NSI鐗堟湰鐨勫嚱鏁伴兘鏄湪榛樿鍫嗕腑鐢寵鍐呭瓨鏉ヨ漿鎹NSI瀛楃涓插埌Unicode瀛楃涓茬殑銆傚涓涓爢鐨勮闂槸欏哄簭榪涜鐨勶紝鍚屼竴鏃跺埢鍙兘鏈変竴涓嚎紼嬭闂爢涓殑鏁版嵁錛屽綋澶氫釜綰跨▼鍚屾椂鏈夎闂姹傛椂錛屽彧鑳芥帓闃熺瓑寰咃紝榪欐牱渚塊犳垚紼嬪簭鎵ц鏁堢巼涓嬮檷銆?nbsp; 鏈鍚庢潵璇磋鍐呭瓨涓殑鏁版嵁瀵歸綈銆傛墍浣嶆暟鎹榻愶紝鏄寚鏁版嵁鎵鍦ㄧ殑鍐呭瓨鍦板潃蹇呴』鏄鏁版嵁闀垮害鐨勬暣鏁板嶏紝DWORD鏁版嵁鐨勫唴瀛樿搗濮嬪湴鍧鑳借4闄ゅ敖錛學ORD鏁版嵁鐨勫唴瀛樿搗濮嬪湴鍧鑳借2闄ゅ敖錛寈86 CPU鑳界洿鎺ヨ闂榻愮殑鏁版嵁錛屽綋浠栬瘯鍥捐闂竴涓湭瀵歸綈鐨勬暟鎹椂錛屼細鍦ㄥ唴閮ㄨ繘琛屼竴緋誨垪鐨勮皟鏁達紝榪欎簺璋冩暣瀵逛簬紼嬪簭鏉ヨ鏄忔槑鐨勶紝浣嗘槸浼氶檷浣庤繍琛岄熷害錛屾墍浠ョ紪璇戝櫒鍦ㄧ紪璇戠▼搴忔椂浼氬敖閲忎繚璇佹暟鎹榻愩傚悓鏍蜂竴孌典唬鐮侊紝鎴戜滑鏉ョ湅鐪嬬敤VC銆丏ev-C++鍜宭cc涓変釜涓嶅悓緙栬瘧鍣ㄧ紪璇戝嚭鏉ョ殑紼嬪簭鐨勬墽琛岀粨鏋滐細 #include <stdio.h> int main() 榪欐槸鐢╒C緙栬瘧鍚庣殑鎵ц緇撴灉錛?nbsp; 榪欐槸鐢―ev-C++緙栬瘧鍚庣殑鎵ц緇撴灉錛?nbsp; 榪欐槸鐢╨cc緙栬瘧鍚庣殑鎵ц緇撴灉錛?nbsp; 涓変釜緙栬瘧鍣ㄩ兘鍋氬埌浜嗘暟鎹榻愶紝浣嗘槸鍚庝袱涓紪璇戝櫒鏄劇劧娌C“鑱槑”錛岃涓涓猚har鍗犱簡4瀛楄妭錛屾氮璐瑰唴瀛樺摝銆?nbsp; 鎽樿錛?nbsp;璁ㄨ甯歌鐨勫爢鎬ц兘闂浠ュ強濡備綍闃茶寖瀹冧滑銆傦紙鍏?nbsp;9 欏碉級 鍓嶈█ 浠涔堟槸鍫嗭紵 鍦ㄧ▼搴忎腑錛屼嬌鐢ㄥ爢鏉ュ姩鎬佸垎閰嶅拰閲婃斁瀵硅薄銆傚湪涓嬪垪鎯呭喌涓嬶紝璋冪敤鍫嗘搷浣滐細 浜嬪厛涓嶇煡閬撶▼搴忔墍闇瀵硅薄鐨勬暟閲忓拰澶у皬銆?/p>
GlobalAlloc/GlobalFree錛歁icrosoft Win32 鍫嗚皟鐢紝榪欎簺璋冪敤鐩存帴涓庢瘡涓繘紼嬬殑榛樿鍫嗚繘琛屽璇濄?/p>
LocalAlloc/LocalFree錛歐in32 鍫嗚皟鐢紙涓轟簡涓?nbsp;Microsoft Windows NT 鍏煎錛夛紝榪欎簺璋冪敤鐩存帴涓庢瘡涓繘紼嬬殑榛樿鍫嗚繘琛屽璇濄?/p>
COM 鐨?nbsp;IMalloc 鍒嗛厤紼嬪簭錛堟垨 CoTaskMemAlloc / CoTaskMemFree錛夛細鍑芥暟浣跨敤姣忎釜榪涚▼鐨勯粯璁ゅ爢銆傝嚜鍔ㄥ寲紼嬪簭浣跨敤“緇勪歡瀵硅薄妯″瀷 (COM)”鐨勫垎閰嶇▼搴忥紝鑰岀敵璇風殑紼嬪簭浣跨敤姣忎釜榪涚▼鍫嗐?/p>
C/C++ 榪愯鏃?nbsp;(CRT) 鍒嗛厤紼嬪簭錛氭彁渚涗簡 malloc() 鍜?nbsp;free() 浠ュ強 new 鍜?nbsp;delete 鎿嶄綔絎︺傚 Microsoft Visual Basic 鍜?nbsp;Java 絳夎璦涔熸彁渚涗簡鏂扮殑鎿嶄綔絎﹀茍浣跨敤鍨冨溇鏀墮泦鏉ヤ唬鏇垮爢銆侰RT 鍒涘緩鑷繁鐨勭鏈夊爢錛岄┗鐣欏湪 Win32 鍫嗙殑欏墮儴銆?/p>
Windows NT 涓紝Win32 鍫嗘槸 Windows NT 榪愯鏃跺垎閰嶇▼搴忓懆鍥寸殑钖勫眰銆傛墍鏈?nbsp;API 杞彂瀹冧滑鐨勮姹傜粰 NTDLL銆?/p>
Windows NT 榪愯鏃跺垎閰嶇▼搴忔彁渚?nbsp;Windows NT 鍐呯殑鏍稿績鍫嗗垎閰嶇▼搴忋傚畠鐢卞叿鏈?nbsp;128 涓ぇ灝忎粠 8 鍒?nbsp;1,024 瀛楄妭鐨勭┖闂插垪琛ㄧ殑鍓嶇鍒嗛厤紼嬪簭緇勬垚銆傚悗绔垎閰嶇▼搴忎嬌鐢ㄨ櫄鎷熷唴瀛樻潵淇濈暀鍜屾彁浜ら〉銆?/p>
鍦ㄥ浘琛ㄧ殑搴曢儴鏄?#8220;铏氭嫙鍐呭瓨鍒嗛厤紼嬪簭”錛屾搷浣滅郴緇熶嬌鐢ㄥ畠鏉ヤ繚鐣欏拰鎻愪氦欏點傛墍鏈夊垎閰嶇▼搴忎嬌鐢ㄨ櫄鎷熷唴瀛樿繘琛屾暟鎹殑瀛樺彇銆?/p>
鍒嗛厤鍜岄噴鏀懼潡涓嶅氨閭d箞綆鍗曞悧錛熶負浣曡姳璐硅繖涔堥暱鏃墮棿錛?/p>
鍫嗗疄鐜扮殑娉ㄦ剰浜嬮」 褰撳簲鐢ㄧ▼搴忔垨 DLL 鍒涘緩縐佹湁鍫嗘椂錛岃繖浜涘爢瀛樺湪浜庤繘紼嬬┖闂達紝騫朵笖鍦ㄨ繘紼嬪唴鏄彲璁塊棶鐨勩備粠緇欏畾鍫嗗垎閰嶇殑鏁版嵁灝嗗湪鍚屼竴涓爢涓婇噴鏀俱傦紙涓嶈兘浠庝竴涓爢鍒嗛厤鑰屽湪鍙︿竴涓爢閲婃斁銆傦級 鍦ㄦ墍鏈夎櫄鎷熷唴瀛樼郴緇熶腑錛屽爢椹葷暀鍦ㄦ搷浣滅郴緇熺殑“铏氭嫙鍐呭瓨綆$悊鍣?#8221;鐨勯《閮ㄣ傝璦榪愯鏃跺爢涔熼┗鐣欏湪铏氭嫙鍐呭瓨欏墮儴銆傛煇浜涙儏鍐典笅錛岃繖浜涘爢鏄搷浣滅郴緇熷爢涓殑灞傦紝鑰岃璦榪愯鏃跺爢鍒欓氳繃澶у潡鐨勫垎閰嶆潵鎵ц鑷繁鐨勫唴瀛樼鐞嗐備笉浣跨敤鎿嶄綔緋葷粺鍫嗭紝鑰屼嬌鐢ㄨ櫄鎷熷唴瀛樺嚱鏁版洿鍒╀簬鍫嗙殑鍒嗛厤鍜屽潡鐨勪嬌鐢ㄣ?/p>
鍏稿瀷鐨勫爢瀹炵幇鐢卞墠銆佸悗绔垎閰嶇▼搴忕粍鎴愩傚墠绔垎閰嶇▼搴忕淮鎸佸浐瀹氬ぇ灝忓潡鐨勭┖闂插垪琛ㄣ傚浜庝竴嬈″垎閰嶈皟鐢紝鍫嗗皾璇曚粠鍓嶇鍒楄〃鎵懼埌涓涓嚜鐢卞潡銆傚鏋滃け璐ワ紝鍫嗚榪粠鍚庣錛堜繚鐣欏拰鎻愪氦铏氭嫙鍐呭瓨錛夊垎閰嶄竴涓ぇ鍧楁潵婊¤凍璇鋒眰銆傞氱敤鐨勫疄鐜版湁姣忓潡鍒嗛厤鐨勫紑閿錛岃繖灝嗚楄垂鎵ц鍛ㄦ湡錛屼篃鍑忓皯浜嗗彲浣跨敤鐨勫瓨鍌ㄧ┖闂淬?/p>
Knowledge Base 鏂囩珷 Q10758錛?#8220;鐢?nbsp;calloc() 鍜?nbsp;malloc() 綆$悊鍐呭瓨” 錛堟悳绱㈡枃绔犵紪鍙鳳級, 鍖呭惈浜嗘湁鍏寵繖浜涗富棰樼殑鏇村鑳屾櫙鐭ヨ瘑銆傚彟澶栵紝鏈夊叧鍫嗗疄鐜板拰璁捐鐨勮緇嗚璁轟篃鍙湪涓嬪垪钁椾綔涓壘鍒幫細“Dynamic Storage Allocation: A Survey and Critical Review”錛屼綔鑰?nbsp;Paul R. Wilson銆丮ark S. Johnstone銆丮ichael Neely 鍜?nbsp;David Boles錛?#8220;International Workshop on Memory Management”, 浣滆?nbsp;Kinross, Scotland, UK, 1995 騫?nbsp;9 鏈? Windows NT 鐨勫疄鐜幫紙Windows NT 鐗堟湰 4.0 鍜屾洿鏂扮増鏈級 浣跨敤浜?nbsp;127 涓ぇ灝忎粠 8 鍒?nbsp;1,024 瀛楄妭鐨?nbsp;8 瀛楄妭瀵歸綈鍧楃┖闂插垪琛ㄥ拰涓涓?#8220;澶у潡”鍒楄〃銆?#8220;澶у潡”鍒楄〃錛堢┖闂插垪琛╗0]錛?nbsp;淇濆瓨澶т簬 1,024 瀛楄妭鐨勫潡銆傜┖闂插垪琛ㄥ綰充簡鐢ㄥ弻鍚戦摼琛ㄩ摼鎺ュ湪涓璧風殑瀵硅薄銆傞粯璁ゆ儏鍐典笅錛?#8220;榪涚▼鍫?#8221;鎵ц鏀墮泦鎿嶄綔銆傦紙鏀墮泦鏄皢鐩擱偦絀洪棽鍧楀悎騫舵垚涓涓ぇ鍧楃殑鎿嶄綔銆傦級鏀墮泦鑰楄垂浜嗛澶栫殑鍛ㄦ湡錛屼絾鍑忓皯浜嗗爢鍧楃殑鍐呴儴紕庣墖銆?/p>
鍗曚竴鍏ㄥ眬閿佷繚鎶ゅ爢錛岄槻姝㈠綰跨▼寮忕殑浣跨敤銆傦紙璇峰弬瑙?#8220;Server Performance and Scalability Killers”涓殑絎竴涓敞鎰忎簨欏? George Reilly 鎵钁楋紝鍦?nbsp;“MSDN Online Web Workshop”涓婏紙绔欑偣錛?img src="" align=absMiddle border=0>http://msdn.microsoft.com/workshop/server/iis/tencom.asp錛堣嫳鏂囷級銆傦級鍗曚竴鍏ㄥ眬閿佹湰璐ㄤ笂鏄敤鏉ヤ繚鎶ゅ爢鏁版嵁緇撴瀯錛岄槻姝㈣法澶氱嚎紼嬬殑闅忔満瀛樺彇銆傝嫢鍫嗘搷浣滃お棰戠箒錛屽崟涓鍏ㄥ眬閿佷細瀵規ц兘鏈変笉鍒╃殑褰卞搷銆?/p>
浠涔堟槸甯歌鐨勫爢鎬ц兘闂錛?br>浠ヤ笅鏄偍浣跨敤鍫嗘椂浼氶亣鍒扮殑鏈甯歌闂錛?nbsp; 鍒嗛厤鎿嶄綔閫犳垚鐨勯熷害鍑忔參銆傚厜鍒嗛厤灝辮楄垂寰堥暱鏃墮棿銆傛渶鍙兘瀵艱嚧榪愯閫熷害鍑忔參鍘熷洜鏄┖闂插垪琛ㄦ病鏈夊潡錛屾墍浠ヨ繍琛屾椂鍒嗛厤紼嬪簭浠g爜浼氳楄垂鍛ㄦ湡瀵繪壘杈冨ぇ鐨勭┖闂插潡錛屾垨浠庡悗绔垎閰嶇▼搴忓垎閰嶆柊鍧椼?/p>
鍫嗙牬鍧忛犳垚鐨勯熷害鍑忔參銆傞犳垚鍫嗙牬鍧忕殑鍘熷洜鏄簲鐢ㄧ▼搴忓鍫嗗潡鐨勪笉姝g‘浣跨敤銆傞氬父鎯呭艦鍖呮嫭閲婃斁宸查噴鏀劇殑鍫嗗潡鎴栦嬌鐢ㄥ凡閲婃斁鐨勫爢鍧楋紝浠ュ強鍧楃殑瓚婄晫閲嶅啓絳夋槑鏄鵑棶棰樸傦紙鐮村潖涓嶅湪鏈枃璁ㄨ鑼冨洿涔嬪唴銆傛湁鍏沖唴瀛橀噸鍐欏拰娉勬紡絳夊叾浠栫粏鑺傦紝璇峰弬瑙?nbsp;Microsoft Visual C++(R) 璋冭瘯鏂囨。 銆傦級 鍦ㄦ墍鏈夌殑鏈嶅姟鍣ㄧ郴緇熶腑錛堝 IIS銆丮SProxy銆丏atabaseStacks銆佺綉緇滄湇鍔″櫒銆?nbsp;Exchange 鍜屽叾浠栵級, 鍫嗛攣瀹氬疄鍦ㄦ槸涓ぇ鐡墮銆傚鐞嗗櫒鏁拌秺澶氾紝绔炰簤灝辮秺浼氭伓鍖栥?/p>
灝介噺鍑忓皯鍫嗙殑浣跨敤 濡備綍鍑忓皯浣跨敤鍫嗘搷浣滐紵閫氳繃鍒╃敤鏁版嵁緇撴瀯鍐呯殑浣嶇疆鍙噺灝戝爢鎿嶄綔鐨勬鏁般傝鑰冭檻涓嬪垪瀹炰緥錛?/p>
struct ObjectA { struct ObjectB { // 鍚屾椂浣跨敤 objectA 鍜?nbsp;objectB // // // struct ObjectX { 閬垮厤浣跨敤鎸囬拡鍏寵仈涓や釜鏁版嵁緇撴瀯銆傚鏋滀嬌鐢ㄦ寚閽堝叧鑱斾袱涓暟鎹粨鏋勶紝鍓嶉潰瀹炰緥涓殑瀵硅薄 A 鍜?nbsp;B 灝嗚鍒嗗埆鍒嗛厤鍜岄噴鏀俱傝繖浼氬鍔犻澶栧紑閿鈥旀垜浠閬垮厤榪欑鍋氭硶銆?/p>
姝g‘浣跨敤 _amblksiz銆侰 榪愯鏃?nbsp;(CRT) 鏈夊畠鐨勮嚜瀹氫箟鍓嶇鍒嗛厤紼嬪簭錛岃鍒嗛厤紼嬪簭浠庡悗绔紙Win32 鍫嗭級鍒嗛厤澶у皬涓?nbsp;_amblksiz 鐨勫潡銆傚皢 _amblksiz 璁劇疆涓鴻緝楂樼殑鍊艱兘娼滃湪鍦板噺灝戝鍚庣鐨勮皟鐢ㄦ鏁般傝繖鍙騫挎硾浣跨敤 CRT 鐨勭▼搴忛傜敤銆?br>浣跨敤涓婅堪鎶鏈皢鑾峰緱鐨勫ソ澶勪細鍥犲璞$被鍨嬨佸ぇ灝忓強宸ヤ綔閲忚屾湁鎵涓嶅悓銆備絾鎬昏兘鍦ㄦц兘鍜屽彲鍗囩緝鎬ф柟闈㈡湁鎵鏀惰幏銆傚彟涓鏂歸潰錛屼唬鐮佷細鏈夌偣鐗規畩錛屼絾濡傛灉緇忚繃娣辨濈啛铏戯紝浠g爜榪樻槸寰堝鏄撶鐞嗙殑銆?/p>
鍏朵粬鎻愰珮鎬ц兘鐨勬妧鏈?br>涓嬮潰鏄竴浜涙彁楂橀熷害鐨勬妧鏈細 浣跨敤 Windows NT5 鍫?nbsp; 鏀硅繘浜嗗爢浠g爜鍐呯殑閿佸畾銆傚爢浠g爜瀵規瘡鍫嗕竴涓攣銆傚叏灞閿佷繚鎶ゅ爢鏁版嵁緇撴瀯錛岄槻姝㈠綰跨▼寮忕殑浣跨敤銆備絾涓嶅垢鐨勬槸錛屽湪楂橀氫俊閲忕殑鎯呭喌涓嬶紝鍫嗕粛鍙楀洶浜庡叏灞閿侊紝瀵艱嚧楂樼珵浜夊拰浣庢ц兘銆俉indows 2000 涓紝閿佸唴浠g爜鐨勪復鐣屽尯灝嗙珵浜夌殑鍙兘鎬у噺鍒版渶灝?浠庤屾彁楂樹簡鍙幾緙╂с?/p>
涓婅堪鏀硅繘宸插湪 Windows 2000 beta 2 鍜?nbsp;Windows NT 4.0 SP4 涓嬌鐢ㄣ傛敼榪涘悗錛屽爢閿佺殑绔炰簤鐜囨樉钁楅檷浣庛傝繖浣挎墍鏈?nbsp;Win32 鍫嗙殑鐩存帴鐢ㄦ埛鍙楃泭銆侰RT 鍫嗗緩绔嬩簬 Win32 鍫嗙殑欏墮儴錛屼絾瀹冧嬌鐢ㄨ嚜宸辯殑灝忓潡鍫嗭紝鍥犺屼笉鑳戒粠 Windows NT 鏀硅繘涓彈鐩娿傦紙Visual C++ 鐗堟湰 6.0 涔熸湁鏀硅繘鐨勫爢鍒嗛厤紼嬪簭銆傦級 浣跨敤鍒嗛厤楂橀熺紦瀛?nbsp; 鍏稿瀷鍦幫紝鑷畾涔夊爢鍒嗛厤紼嬪簭鍦ㄨ繘紼嬪爢鐨勯《閮ㄥ疄鐜般傝嚜瀹氫箟鍫嗗垎閰嶇▼搴忎笌緋葷粺鍫嗙殑琛屼負寰堢浉浼箋備富瑕佺殑宸埆鏄畠鍦ㄨ繘紼嬪爢鐨勯《閮ㄤ負鍒嗛厤鐨勫璞℃彁渚涢珮閫熺紦瀛樸傞珮閫熺紦瀛樿璁℃垚涓濂楀浐瀹氬ぇ灝忥紙濡?nbsp;32 瀛楄妭銆?4 瀛楄妭銆?28 瀛楄妭絳夛級銆傝繖涓涓緢濂界殑絳栫暐錛屼絾榪欑鑷畾涔夊爢鍒嗛厤紼嬪簭涓㈠け涓庡垎閰嶅拰閲婃斁鐨勫璞$浉鍏崇殑“璇箟淇℃伅”銆?nbsp; 涓庤嚜瀹氫箟鍫嗗垎閰嶇▼搴忕浉鍙嶏紝“鍒嗛厤楂橀熺紦瀛?#8221;浣滀負姣忕被鍒嗛厤楂橀熺紦瀛樻潵瀹炵幇銆傞櫎鑳藉鎻愪緵鑷畾涔夊爢鍒嗛厤紼嬪簭鐨勬墍鏈夊ソ澶勪箣澶栵紝瀹冧滑榪樿兘澶熶繚鐣欏ぇ閲忚涔変俊鎭傛瘡涓垎閰嶉珮閫熺紦瀛樺鐞嗙▼搴忎笌涓涓洰鏍囦簩榪涘埗瀵硅薄鍏寵仈銆傚畠鑳藉浣跨敤涓濂楀弬鏁拌繘琛屽垵濮嬪寲錛岃繖浜涘弬鏁拌〃紺哄茍鍙戠駭鍒佸璞″ぇ灝忓拰淇濇寔鍦ㄧ┖闂插垪琛ㄤ腑鐨勫厓绱犵殑鏁伴噺絳夈傚垎閰嶉珮閫熺紦瀛樺鐞嗙▼搴忓璞$淮鎸佽嚜宸辯殑縐佹湁絀洪棽瀹炰綋姹狅紙涓嶈秴榪囨寚瀹氱殑闃鍊鹼級騫朵嬌鐢ㄧ鏈変繚鎶ら攣銆傚悎鍦ㄤ竴璧鳳紝鍒嗛厤楂橀熺紦瀛樺拰縐佹湁閿佸噺灝戜簡涓庝富緋葷粺鍫嗙殑閫氫俊閲忥紝鍥犺屾彁渚涗簡澧炲姞鐨勫茍鍙戙佹渶澶ч檺搴︾殑閲嶇敤鍜岃緝楂樼殑鍙幾緙╂с?/p>
闇瑕佷嬌鐢ㄦ竻鐞嗙▼搴忔潵瀹氭湡媯鏌ユ墍鏈夊垎閰嶉珮閫熺紦瀛樺鐞嗙▼搴忕殑媧誨姩鎯呭喌騫跺洖鏀舵湭鐢ㄧ殑璧勬簮銆傚鏋滃彂鐜版病鏈夋椿鍔紝灝嗛噴鏀懼垎閰嶅璞$殑姹狅紝浠庤屾彁楂樻ц兘銆?/p>
鍙互瀹℃牳姣忎釜鍒嗛厤/閲婃斁媧誨姩銆傜涓綰т俊鎭寘鎷璞°佸垎閰嶅拰閲婃斁璋冪敤鐨勬繪暟銆傞氳繃鏌ョ湅瀹冧滑鐨勭粺璁′俊鎭彲浠ュ緱鍑哄悇涓璞′箣闂寸殑璇箟鍏崇郴銆傚埄鐢ㄤ互涓婁粙緇嶇殑璁稿鎶鏈箣涓錛岃繖縐嶅叧緋誨彲浠ョ敤鏉ュ噺灝戝唴瀛樺垎閰嶃?/p>
鍒嗛厤楂橀熺紦瀛樹篃璧峰埌浜嗚皟璇曞姪鎵嬬殑浣滅敤錛屽府鍔╂偍璺熻釜娌℃湁瀹屽叏娓呴櫎鐨勫璞℃暟閲忋傞氳繃鏌ョ湅鍔ㄦ佸爢鏍堣繑鍥炶釜榪瑰拰闄ゆ病鏈夋竻闄ょ殑瀵硅薄涔嬪鐨勭鍚嶏紝鐢氳嚦鑳藉鎵懼埌紜垏鐨勫け璐ョ殑璋冪敤鑰呫?/p>
MP 鍫?nbsp; 鏈▼搴忓寘鏄ソ鐨勬楠?nbsp;鈥斾竴縐嶆敼榪涚殑 MP-鍙嬪ソ鐨勮嚜瀹氫箟鍫嗗垎閰嶇▼搴忋備絾鏄紝瀹冧笉鎻愪緵璇箟淇℃伅鍜岀己涔忕粺璁″姛鑳姐傞氬父灝?nbsp;MP 鍫嗕綔涓?nbsp;SDK 搴撴潵浣跨敤銆傚鏋滀嬌鐢ㄨ繖涓?nbsp;SDK 鍒涘緩鍙噸鐢ㄧ粍浠訛紝鎮ㄥ皢澶уぇ鍙楃泭銆備絾鏄紝濡傛灉鍦ㄦ瘡涓?nbsp;DLL 涓緩绔嬭繖涓?nbsp;SDK 搴擄紝灝嗗鍔犲伐浣滆緗?/p>
閲嶆柊鎬濊冪畻娉曞拰鏁版嵁緇撴瀯 鍑忓皯闇瑕佺殑灝忓璞$殑鏁伴噺鍑忓皯鍫嗗垎閰嶇▼搴忕殑璐熻澆銆備緥濡傦紝鎴戜滑鍦ㄦ湇鍔″櫒鐨勫叧閿鐞嗚礬寰勪笂浣跨敤浜斾釜涓嶅悓鐨勫璞★紝姣忎釜瀵硅薄鍗曠嫭鍒嗛厤鍜岄噴鏀俱備竴璧烽珮閫熺紦瀛樿繖浜涘璞★紝鎶婂爢璋冪敤浠庝簲涓噺灝戝埌涓涓紝鏄捐憲鍑忓皯浜嗗爢鐨勮礋杞斤紝鐗瑰埆褰撴瘡縐掗挓澶勭悊 1,000 涓互涓婄殑璇鋒眰鏃躲?/p>
濡傛灉澶ч噺浣跨敤“Automation”緇撴瀯錛岃鑰冭檻浠庝富綰夸唬鐮佷腑鍒犻櫎“Automation BSTR”錛屾垨鑷沖皯閬垮厤閲嶅鐨?nbsp;BSTR 鎿嶄綔銆傦紙BSTR 榪炴帴瀵艱嚧榪囧鐨勯噸鍒嗛厤鍜屽垎閰?閲婃斁鎿嶄綔銆傦級 鎽樿 璇勪環鎮ㄧ殑浠g爜涓爢鐨勪嬌鐢ㄣ?/p>
銆銆娉ㄦ剰涓嶅悓緙栬瘧鍣ㄤ細鎻掑叆鑷繁鐨勬眹緙栦唬鐮佷互鎻愪緵緙栬瘧鐨勯氱敤鎬э紝浣嗘槸澶т綋浠g爜濡傛銆傚叾涓湪鍑芥暟寮濮嬪淇濈暀esp鍒癳bp涓紝鍦ㄥ嚱鏁扮粨鏉熸仮澶嶆槸緙栬瘧鍣ㄥ父鐢ㄧ殑鏂規硶銆?/p>
銆銆浠庡嚱鏁拌皟鐢ㄧ湅錛?鍜?渚濇琚玴ush榪涘爢鏍堬紝鑰屽湪鍑芥暟涓張閫氳繃鐩稿浜巈bp(鍗沖垰榪涘嚱鏁版椂鐨勫爢鏍堟寚閽堬級鐨勫亸縐婚噺瀛樺彇鍙傛暟銆傚嚱鏁扮粨鏉熷悗錛宺et 8琛ㄧず娓呯悊8涓瓧鑺傜殑鍫嗘爤錛屽嚱鏁拌嚜宸辨仮澶嶄簡鍫嗘爤銆?br> 銆銆琚皟鐢ㄥ嚱鏁癬function澶?br>銆銆push ebp銆銆銆銆銆銆// 淇濆瓨ebp瀵勫瓨鍣紝璇ュ瘎瀛樺櫒灝嗙敤鏉ヤ繚瀛樺爢鏍堢殑鏍堥《鎸囬拡錛屽彲浠ュ湪鍑芥暟閫鍑烘椂鎭㈠ __stdcall,__cdecl,_cdecl,_stdcall,銆俖_fastcall,_fastcall 鍖哄埆綆浠?nbsp; 1. 浠婂ぉ鍐欑嚎紼嬪嚱鏁版椂錛屽彂鐜癿sdn涓ThreadProc鐨勫畾涔夋湁瑕佹眰錛欴WORD WINAPI ThreadProc(LPVOID lpParameter); 涓嶈В涓轟粈涔堣鐢╓INAPI瀹忓畾涔夛紝鏌ヤ簡鍚庡彂鐜頒笅闈㈢殑瀹氫箟銆備簬鏄箮闇瑕佸尯鍒玙_stdcall鍜宊_cdecl涓よ呯殑鍖哄埆錛?#define CALLBACK __stdcall 鍑犱箮鎴戜滑鍐欑殑姣忎竴涓猈INDOWS API鍑芥暟閮芥槸__stdcall綾誨瀷鐨勶紝棣栧厛錛岄渶瑕佷簡瑙d袱鑰呬箣闂寸殑鍖哄埆錛?WINDOWS鐨勫嚱鏁拌皟鐢ㄦ椂闇瑕佺敤鍒版爤錛圫TACK錛屼竴縐嶅厛鍏ュ悗鍑虹殑瀛樺偍緇撴瀯錛夈傚綋鍑芥暟璋冪敤瀹屾垚鍚庯紝鏍堥渶瑕佹竻妤氾紝榪欓噷灝辨槸闂鐨勫叧閿紝濡備綍娓呴櫎錛燂紵 濡傛灉鎴戜滑鐨勫嚱鏁頒嬌鐢ㄤ簡_cdecl錛岄偅涔堟爤鐨勬竻闄ゅ伐浣滄槸鐢辮皟鐢ㄨ咃紝鐢–OM鐨勬湳璇潵璁插氨鏄鎴鋒潵瀹屾垚鐨勩傝繖鏍峰甫鏉ヤ簡涓涓鎵嬬殑闂錛屼笉鍚岀殑緙栬瘧鍣ㄤ駭鐢熸爤鐨勬柟寮忎笉灝界浉鍚岋紝閭d箞璋冪敤鑰呰兘鍚︽甯哥殑瀹屾垚娓呴櫎宸ヤ綔鍛紵絳旀鏄笉鑳姐?濡傛灉浣跨敤__stdcall錛屼笂闈㈢殑闂灝辮В鍐充簡錛屽嚱鏁拌嚜宸辮В鍐蟲竻闄ゅ伐浣溿傛墍浠ワ紝鍦ㄨ法錛堝紑鍙戯級騫沖彴鐨勮皟鐢ㄤ腑錛屾垜浠兘浣跨敤__stdcall錛堣櫧鐒舵湁鏃舵槸浠INAPI鐨勬牱瀛愬嚭鐜幫級銆傞偅涔堜負浠涔堣繕闇瑕乢cdecl鍛紵褰撴垜浠亣鍒拌繖鏍風殑鍑芥暟濡俧printf()瀹冪殑鍙傛暟鏄彲鍙樼殑錛屼笉瀹氶暱鐨勶紝琚皟鐢ㄨ呬簨鍏堟棤娉曠煡閬撳弬鏁扮殑闀垮害錛屼簨鍚庣殑娓呴櫎宸ヤ綔涔熸棤娉曟甯哥殑榪涜錛屽洜姝わ紝榪欑鎯呭喌鎴戜滑鍙兘浣跨敤_cdecl銆傚埌榪欓噷鎴戜滑鏈変竴涓粨璁猴紝濡傛灉浣犵殑紼嬪簭涓病鏈夋秹鍙婂彲鍙樺弬鏁幫紝鏈濂戒嬌鐢╛_stdcall鍏抽敭瀛椼?/p>
2. __cdecl,__stdcall鏄0鏄庣殑鍑芥暟璋冪敤鍗忚.涓昏鏄紶鍙傚拰寮規爤鏂歸潰鐨勪笉鍚?涓鑸琧++鐢ㄧ殑鏄痏_cdecl,windows閲屽ぇ閮界敤鐨勬槸__stdcall(API) 3. __stdcall: _stdcall 璋冪敤綰﹀畾鐩稿綋浜?6浣嶅姩鎬佸簱涓粡甯鎬嬌鐢ㄧ殑PASCAL璋冪敤綰﹀畾銆?/p>
_stdcall鏄疨ascal紼嬪簭鐨勭己鐪佽皟鐢ㄦ柟寮忥紝閫氬父鐢ㄤ簬Win32 Api涓紝鍑芥暟閲囩敤浠庡彸鍒板乏鐨勫帇鏍堟柟寮忥紝鑷繁鍦ㄩ鍑烘椂娓呯┖鍫嗘爤銆俈C灝嗗嚱鏁扮紪璇戝悗浼氬湪鍑芥暟鍚嶅墠闈㈠姞涓婁笅鍒掔嚎鍓嶇紑錛屽湪鍑芥暟鍚嶅悗鍔犱笂"@"鍜屽弬鏁扮殑瀛楄妭鏁般?/p>
_cdecl: _cdecl c璋冪敤綰﹀畾, 鎸変粠鍙寵嚦宸︾殑欏哄簭鍘嬪弬鏁板叆鏍堬紝鐢辮皟鐢ㄨ呮妸鍙傛暟寮瑰嚭鏍堛傚浜庝紶閫佸弬鏁扮殑鍐呭瓨鏍堟槸鐢辮皟鐢ㄨ呮潵緇存姢鐨勶紙姝e洜涓哄姝わ紝瀹炵幇鍙彉鍙傛暟鐨勫嚱鏁板彧鑳戒嬌鐢ㄨ璋冪敤綰﹀畾錛夈傚彟澶栵紝鍦ㄥ嚱鏁板悕淇グ綰﹀畾鏂歸潰涔熸湁鎵涓嶅悓銆?/p>
_cdecl鏄疌鍜孋錛嬶紜紼嬪簭鐨勭己鐪佽皟鐢ㄦ柟寮忋傛瘡涓涓皟鐢ㄥ畠鐨勫嚱鏁伴兘鍖呭惈娓呯┖鍫嗘爤鐨勪唬鐮侊紝鎵浠ヤ駭鐢熺殑鍙墽琛屾枃浠跺ぇ灝忎細姣旇皟鐢╛stdcall鍑芥暟鐨勫ぇ銆傚嚱鏁伴噰鐢ㄤ粠鍙沖埌宸︾殑鍘嬫爤鏂瑰紡銆俈C灝嗗嚱鏁扮紪璇戝悗浼氬湪鍑芥暟鍚嶅墠闈㈠姞涓婁笅鍒掔嚎鍓嶇紑銆傛槸MFC緙虹渷璋冪敤綰﹀畾銆?/p>
__fastcall: __fastcall璋冪敤綰﹀畾鏄?浜?濡傚叾鍚嶏紝瀹冪殑涓昏鐗圭偣灝辨槸蹇紝鍥犱負瀹冩槸閫氳繃瀵勫瓨鍣ㄦ潵浼犻佸弬鏁扮殑錛堝疄闄呬笂錛屽畠鐢‥CX鍜孍DX浼犻佸墠涓や釜鍙屽瓧錛圖WORD錛夋垨鏇村皬鐨勫弬鏁幫紝鍓╀笅鐨勫弬鏁頒粛鏃ц嚜鍙沖悜宸﹀帇鏍堜紶閫侊紝琚皟鐢ㄧ殑鍑芥暟鍦ㄨ繑鍥炲墠娓呯悊浼犻佸弬鏁扮殑鍐呭瓨鏍堬級錛屽湪鍑芥暟鍚嶄慨楗扮害瀹氭柟闈紝瀹冨拰鍓嶄袱鑰呭潎涓嶅悓銆?/p>
_fastcall鏂瑰紡鐨勫嚱鏁伴噰鐢ㄥ瘎瀛樺櫒浼犻掑弬鏁幫紝VC灝嗗嚱鏁扮紪璇戝悗浼氬湪鍑芥暟鍚嶅墠闈㈠姞涓?@"鍓嶇紑錛屽湪鍑芥暟鍚嶅悗鍔犱笂"@"鍜屽弬鏁扮殑瀛楄妭鏁般?/p>
thiscall: thiscall浠呬粎搴旂敤浜?C++"鎴愬憳鍑芥暟銆倀his鎸囬拡瀛樻斁浜嶤X瀵勫瓨鍣紝鍙傛暟浠庡彸鍒板乏鍘嬨倀hiscall涓嶆槸鍏抽敭璇嶏紝鍥犳涓嶈兘琚▼搴忓憳鎸囧畾銆?/p>
naked call: 閲囩敤1-4鐨勮皟鐢ㄧ害瀹氭椂錛屽鏋滃繀瑕佺殑璇濓紝榪涘叆鍑芥暟鏃剁紪璇戝櫒浼氫駭鐢熶唬鐮佹潵淇濆瓨ESI錛孍DI錛孍BX錛孍BP瀵勫瓨鍣紝閫鍑哄嚱鏁版椂鍒欎駭鐢熶唬鐮佹仮澶嶈繖浜涘瘎瀛樺櫒鐨勫唴瀹廣?/p>
naked call涓嶄駭鐢熻繖鏍風殑浠g爜銆俷aked call涓嶆槸綾誨瀷淇グ絎︼紝鏁呭繀欏誨拰_declspec鍏卞悓浣跨敤銆?/p>
鍙﹂檮: 鍏抽敭瀛?__stdcall銆乢_cdecl鍜宊_fastcall鍙互鐩存帴鍔犲湪瑕佽緭鍑虹殑鍑芥暟鍓嶏紝涔熷彲浠ュ湪緙栬瘧鐜鐨凷etting...\C/C++ \Code Generation欏歸夋嫨銆傚綋鍔犲湪杈撳嚭鍑芥暟鍓嶇殑鍏抽敭瀛椾笌緙栬瘧鐜涓殑閫夋嫨涓嶅悓鏃訛紝鐩存帴鍔犲湪杈撳嚭鍑芥暟鍓嶇殑鍏抽敭瀛楁湁鏁堛傚畠浠搴旂殑鍛戒護琛屽弬鏁板垎鍒負/Gz銆?Gd鍜?Gr銆傜己鐪佺姸鎬佷負/Gd錛屽嵆__cdecl銆?/p>
瑕佸畬鍏ㄦā浠縋ASCAL璋冪敤綰﹀畾棣栧厛蹇呴』浣跨敤__stdcall璋冪敤綰﹀畾錛岃嚦浜庡嚱鏁板悕淇グ綰﹀畾錛屽彲浠ラ氳繃鍏跺畠鏂規硶妯′豢銆傝繕鏈変竴涓煎緱涓鎻愮殑鏄疻INAPI瀹忥紝Windows.h鏀寔璇ュ畯錛屽畠鍙互灝嗗嚭鍑芥暟緲昏瘧鎴愰傚綋鐨勮皟鐢ㄧ害瀹氾紝鍦╓IN32涓紝瀹冭瀹氫箟涓篲_stdcall銆備嬌鐢╓INAPI瀹忓彲浠ュ垱寤鴻嚜宸辯殑APIs銆?/p>
鍚嶅瓧淇グ綰﹀畾 __fastcall璋冪敤綰﹀畾鍦ㄨ緭鍑哄嚱鏁板悕鍓嶅姞涓婁竴涓?#8220;@”絎﹀彿錛屽悗闈篃鏄竴涓?#8220;@”絎﹀彿鍜屽叾鍙傛暟鐨勫瓧鑺傛暟錛屾牸寮忎負@functionname@number銆? VC++瀵瑰嚱鏁扮殑鐪佺己澹版槑鏄?__cedcl",灝嗗彧鑳借C/C++璋冪敤. 娉ㄦ剰錛?/p>
1銆乢beginthread闇瑕乢_cdecl鐨勭嚎紼嬪嚱鏁板湴鍧錛宊beginthreadex鍜孋reateThread闇瑕乢_stdcall鐨勭嚎紼嬪嚱鏁板湴鍧銆?/p>
2銆佷竴鑸琖IN32鐨勫嚱鏁伴兘鏄痏_stdcall銆傝屼笖鍦╓indef.h涓湁濡備笅鐨勫畾涔夛細 #define CALLBACK __stdcall #define WINAPI銆 __stdcall 3銆乪xtern "C" _declspec(dllexport) int __cdecl Add(int a, int b); typedef int (__cdecl*FunPointer)(int a, int b); 淇グ絎︾殑涔﹀啓欏哄簭濡備笂銆?/p>
4銆乪xtern "C"鐨勪綔鐢細濡傛灉Add(int a, int b)鏄湪c璇█緙栬瘧鍣ㄧ紪璇戯紝鑰屽湪c++鏂囦歡浣跨敤錛屽垯闇瑕佸湪c++鏂囦歡涓0鏄庯細extern "C" Add(int a, int b)錛屽洜涓篶緙栬瘧鍣ㄥ拰c++緙栬瘧鍣ㄥ鍑芥暟鍚嶇殑瑙i噴涓嶄竴鏍鳳紙c++緙栬瘧鍣ㄨВ閲婂嚱鏁板悕鐨勬椂鍊欒鑰冭檻鍑芥暟鍙傛暟錛岃繖鏍鋒槸浜嗘柟渚垮嚱鏁伴噸杞斤紝鑰屽湪c璇█涓笉瀛樺湪鍑芥暟閲嶈澆鐨勯棶棰橈級錛屼嬌鐢╡xtern "C"錛屽疄璐ㄥ氨鏄憡璇塩++緙栬瘧鍣紝璇ュ嚱鏁版槸c搴撻噷闈㈢殑鍑芥暟銆傚鏋滀笉浣跨敤extern "C"鍒欎細鍑虹幇閾炬帴閿欒銆?/p>
涓鑸薄濡備笅浣跨敤錛?/p>
#ifdef _cplusplus #define EXTERN_C extern "C" #else #define EXTERN_C extern #endif #ifdef _cplusplus extern "C"{ #endif EXTERN_C int func(int a, int b); #ifdef _cplusplus } #endif 5銆丮FC鎻愪緵浜嗕竴浜涘畯錛屽彲浠ヤ嬌鐢ˋFX_EXT_CLASS鏉ヤ唬鏇縚_declspec(DLLexport)錛屽茍淇グ綾誨悕錛屼粠鑰屽鍑虹被錛孉FX_API_EXPORT鏉ヤ慨楗板嚱鏁幫紝AFX_DATA_EXPORT鏉ヤ慨楗板彉閲?/p>
AFX_CLASS_IMPORT錛歘_declspec(DLLexport) AFX_API_IMPORT錛歘_declspec(DLLexport) AFX_DATA_IMPORT錛歘_declspec(DLLexport) AFX_CLASS_EXPORT錛歘_declspec(DLLexport) AFX_API_EXPORT錛歘_declspec(DLLexport) AFX_DATA_EXPORT錛歘_declspec(DLLexport) AFX_EXT_CLASS錛?ifdef _AFXEXT AFX_CLASS_EXPORT #else AFX_CLASS_IMPORT 6銆丏LLMain璐熻矗鍒濆鍖?Initialization)鍜岀粨鏉?Termination)宸ヤ綔錛屾瘡褰撲竴涓柊鐨勮繘紼嬫垨鑰呰榪涚▼鐨勬柊鐨勭嚎紼嬭闂瓺LL鏃訛紝鎴栬呰闂瓺LL鐨勬瘡涓涓繘紼嬫垨鑰呯嚎紼嬩笉鍐嶄嬌鐢―LL鎴栬呯粨鏉熸椂錛岄兘浼氳皟鐢―LLMain銆備絾鏄紝浣跨敤TerminateProcess鎴朤erminateThread緇撴潫榪涚▼鎴栬呯嚎紼嬶紝涓嶄細璋冪敤DLLMain銆?/p>
7銆佷竴涓狣LL鍦ㄥ唴瀛樹腑鍙湁涓涓疄渚?/p>
DLL紼嬪簭鍜岃皟鐢ㄥ叾杈撳嚭鍑芥暟鐨勭▼搴忕殑鍏崇郴錛?/p>
1)銆丏LL涓庤繘紼嬨佺嚎紼嬩箣闂寸殑鍏崇郴 DLL妯″潡琚槧灝勫埌璋冪敤瀹冪殑榪涚▼鐨勮櫄鎷熷湴鍧絀洪棿銆?/p>
DLL浣跨敤鐨勫唴瀛樹粠璋冪敤榪涚▼鐨勮櫄鎷熷湴鍧絀洪棿鍒嗛厤錛屽彧鑳借璇ヨ繘紼嬬殑綰跨▼鎵璁塊棶銆?/p>
DLL鐨勫彞鏌勫彲浠ヨ璋冪敤榪涚▼浣跨敤錛涜皟鐢ㄨ繘紼嬬殑鍙ユ焺鍙互琚獶LL浣跨敤銆?/p>
DLLDLL鍙互鏈夎嚜宸辯殑鏁版嵁孌碉紝浣嗘病鏈夎嚜宸辯殑鍫嗘爤錛屼嬌鐢ㄨ皟鐢ㄨ繘紼嬬殑鏍堬紝涓庤皟鐢ㄥ畠鐨勫簲鐢ㄧ▼搴忕浉鍚岀殑鍫嗘爤妯″紡銆?/p>
2)銆佸叧浜庡叡浜暟鎹 DLL瀹氫箟鐨勫叏灞鍙橀噺鍙互琚皟鐢ㄨ繘紼嬭闂紱DLL鍙互璁塊棶璋冪敤榪涚▼鐨勫叏灞鏁版嵁銆備嬌鐢ㄥ悓涓DLL鐨勬瘡涓涓繘紼嬮兘鏈夎嚜宸辯殑DLL鍏ㄥ眬鍙橀噺瀹炰緥銆傚鏋滃涓嚎紼嬪茍鍙戣闂悓涓鍙橀噺錛屽垯闇瑕佷嬌鐢ㄥ悓姝ユ満鍒訛紱瀵逛竴涓狣LL鐨勫彉閲忥紝濡傛灉甯屾湜姣忎釜浣跨敤DLL鐨勭嚎紼嬮兘鏈夎嚜宸辯殑鍊鹼紝鍒欏簲璇ヤ嬌鐢ㄧ嚎紼嬪眬閮ㄥ瓨鍌?TLS錛孴hread Local Strorage)銆?br> 銆銆鏍堟槸涓縐嶅厛榪涘悗鍑虹殑鏁版嵁緇撴瀯錛屾爤鏈変竴涓瓨鍌ㄥ尯銆佷竴涓爤欏舵寚閽堛傛爤欏舵寚閽堟寚鍚戝爢鏍堜腑絎竴涓彲鐢ㄧ殑鏁版嵁欏癸紙琚О涓烘爤欏訛級銆傜敤鎴峰彲浠ュ湪鏍堥《涓婃柟鍚戞爤涓姞鍏ユ暟鎹紝榪欎釜鎿嶄綔琚О涓哄帇鏍?Push)錛屽帇鏍堜互鍚庯紝鏍堥《鑷姩鍙樻垚鏂板姞鍏ユ暟鎹」鐨勪綅緗紝鏍堥《鎸囬拡涔熼殢涔嬩慨鏀廣傜敤鎴蜂篃鍙互浠庡爢鏍堜腑鍙栬蛋鏍堥《錛岀О涓哄脊鍑烘爤(pop)錛屽脊鍑烘爤鍚庯紝鏍堥《涓嬬殑涓涓厓绱犲彉鎴愭爤欏訛紝鏍堥《鎸囬拡闅忎箣淇敼銆?/p>
銆銆鍑芥暟璋冪敤鏃訛紝璋冪敤鑰呬緷嬈℃妸鍙傛暟鍘嬫爤錛岀劧鍚庤皟鐢ㄥ嚱鏁幫紝鍑芥暟琚皟鐢ㄤ互鍚庯紝鍦ㄥ爢鏍堜腑鍙栧緱鏁版嵁錛屽茍榪涜璁$畻銆傚嚱鏁拌綆楃粨鏉熶互鍚庯紝鎴栬呰皟鐢ㄨ呫佹垨鑰呭嚱鏁版湰韜慨鏀瑰爢鏍堬紝浣垮爢鏍堟仮澶嶅師瑁呫?/p>
銆銆鍦ㄥ弬鏁頒紶閫掍腑錛屾湁涓や釜寰堥噸瑕佺殑闂蹇呴』寰楀埌鏄庣‘璇存槑錛?br>銆銆 銆銆stdcall 銆銆stdcall璋冪敤綰﹀畾 銆銆stdcall璋冪敤綰﹀畾澹版槑鐨勮娉曚負(浠ュ墠鏂囩殑閭d釜鍑芥暟涓轟緥錛夛細 銆銆浠ヤ笂榪拌繖涓嚱鏁頒負渚嬶紝鍙傛暟b棣栧厛琚帇鏍堬紝鐒跺悗鏄弬鏁癮錛屽嚱鏁拌皟鐢╢unction(1,2)璋冪敤澶勭炕璇戞垚姹囩紪璇█灝嗗彉鎴愶細 銆銆push 2銆銆銆銆銆銆銆 絎簩涓弬鏁板叆鏍?br>銆銆push 1銆銆銆銆銆銆銆 絎竴涓弬鏁板叆鏍?br>銆銆call function銆銆銆銆璋冪敤鍙傛暟錛屾敞鎰忔鏃惰嚜鍔ㄦ妸cs:eip鍏ユ爤 銆銆鑰屽浜庡嚱鏁拌嚜韜紝鍒欏彲浠ョ炕璇戜負錛? 銆銆鑰屽湪緙栬瘧鏃訛紝榪欎釜鍑芥暟鐨勫悕瀛楄緲昏瘧鎴?a href="mailto:_function@8">_function@8 銆銆娉ㄦ剰涓嶅悓緙栬瘧鍣ㄤ細鎻掑叆鑷繁鐨勬眹緙栦唬鐮佷互鎻愪緵緙栬瘧鐨勯氱敤鎬э紝浣嗘槸澶т綋浠g爜濡傛銆傚叾涓湪鍑芥暟寮濮嬪淇濈暀esp鍒癳bp涓紝鍦ㄥ嚱鏁扮粨鏉熸仮澶嶆槸緙栬瘧鍣ㄥ父鐢ㄧ殑鏂規硶銆?/p>
銆銆浠庡嚱鏁拌皟鐢ㄧ湅錛?鍜?渚濇琚玴ush榪涘爢鏍堬紝鑰屽湪鍑芥暟涓張閫氳繃鐩稿浜巈bp(鍗沖垰榪涘嚱鏁版椂鐨勫爢鏍堟寚閽堬級鐨勫亸縐婚噺瀛樺彇鍙傛暟銆傚嚱鏁扮粨鏉熷悗錛宺et 8琛ㄧず娓呯悊8涓瓧鑺傜殑鍫嗘爤錛屽嚱鏁拌嚜宸辨仮澶嶄簡鍫嗘爤銆?/p>
銆銆 銆銆int function (int a ,int b)銆//涓嶅姞淇グ灝辨槸C璋冪敤綰﹀畾 銆銆鍦ㄥ啓鏈枃鏃訛紝鍑轟箮鎴戠殑鎰忔枡錛屽彂鐜癱decl璋冪敤綰﹀畾鐨勫弬鏁板帇鏍堥『搴忔槸鍜宻tdcall鏄竴鏍風殑錛屽弬鏁伴鍏堢敱鍙沖悜宸﹀帇鍏ュ爢鏍堛傛墍涓嶅悓鐨勬槸錛屽嚱鏁版湰韜笉娓呯悊鍫嗘爤錛岃皟鐢ㄨ呰礋璐f竻鐞嗗爢鏍堛傜敱浜庤繖縐嶅彉鍖栵紝C璋冪敤綰﹀畾鍏佽鍑芥暟鐨勫弬鏁扮殑涓暟鏄笉鍥哄畾鐨勶紝榪欎篃鏄疌璇█鐨勪竴澶х壒鑹層傚浜庡墠闈㈢殑function鍑芥暟錛屼嬌鐢╟decl鍚庣殑姹囩紪鐮佸彉鎴愶細 銆銆璋冪敤澶?br>銆銆push 1 銆銆琚皟鐢ㄥ嚱鏁癬function澶?br>銆銆push ebp銆銆銆銆銆銆 淇濆瓨ebp瀵勫瓨鍣紝璇ュ瘎瀛樺櫒灝嗙敤鏉ヤ繚瀛樺爢鏍堢殑鏍堥《鎸囬拡錛屽彲浠ュ湪鍑芥暟閫鍑烘椂鎭㈠ 銆銆MSDN涓錛岃淇グ鑷姩鍦ㄥ嚱鏁板悕鍓嶅姞鍓嶅鐨勪笅鍒掔嚎錛屽洜姝ゅ嚱鏁板悕鍦ㄧ鍙瘋〃涓璁板綍涓篲function錛屼絾鏄垜鍦ㄧ紪璇戞椂浼間箮娌℃湁鐪嬪埌榪欑鍙樺寲銆?/p>
銆銆鐢變簬鍙傛暟鎸夌収浠庡彸鍚戝乏欏哄簭鍘嬫爤錛屽洜姝ゆ渶寮濮嬬殑鍙傛暟鍦ㄦ渶鎺ヨ繎鏍堥《鐨勪綅緗紝鍥犳褰撻噰鐢ㄤ笉瀹氫釜鏁板弬鏁版椂錛岀涓涓弬鏁板湪鏍堜腑鐨勪綅緗偗瀹氳兘鐭ラ亾錛屽彧瑕佷笉瀹氱殑鍙傛暟涓暟鑳藉鏍規嵁絎竴涓悗鑰呭悗緇殑鏄庣‘鐨勫弬鏁扮‘瀹氫笅鏉ワ紝灝卞彲浠ヤ嬌鐢ㄤ笉瀹氬弬鏁幫紝渚嬪瀵逛簬CRT涓殑sprintf鍑芥暟錛屽畾涔変負錛? 銆銆fastcall 銆銆thiscall 銆銆鍙傛暟浠庡彸鍚戝乏鍏ユ爤 銆銆class A 銆銆int A::function1 (int a,int b) 銆銆#include <stdarg.h> 銆銆void callee() callee鍑芥暟琚炕璇戞垚姹囩紪鍚庡氨鍙樻垚錛? 銆銆//鍑芥暟function2璋冪敤 銆銆naked call 銆銆__declspec(naked) int銆add(int a,int b) 銆銆娉ㄦ剰錛岃繖涓嚱鏁版病鏈夋樉寮忕殑return榪斿洖鍊鹼紝榪斿洖閫氳繃淇敼eax瀵勫瓨鍣ㄥ疄鐜幫紝鑰屼笖榪為鍑哄嚱鏁扮殑ret鎸囦護閮藉繀欏繪樉寮忔彃鍏ャ備笂闈唬鐮佽緲昏瘧鎴愭眹緙栦互鍚庡彉鎴愶細 銆銆mov eax,[ebp+8] 銆 娉ㄦ剰榪欎釜淇グ鏄拰__stdcall鍙奵decl緇撳悎浣跨敤鐨勶紝鍓嶉潰鏄畠鍜宑decl緇撳悎浣跨敤鐨勪唬鐮侊紝瀵逛簬鍜宻tdcall緇撳悎鐨勪唬鐮侊紝鍒欏彉鎴愶細 銆銆__declspec(naked) int __stdcall function(int a,int b) 銆銆鑷充簬榪欑鍑芥暟琚皟鐢紝鍒欏拰鏅氱殑cdecl鍙妔tdcall璋冪敤鍑芥暟涓鑷淬?/p>
銆銆鍑芥暟璋冪敤綰﹀畾瀵艱嚧鐨勫父瑙侀棶棰?br>銆銆濡傛灉瀹氫箟鐨勭害瀹氬拰浣跨敤鐨勭害瀹氫笉涓鑷達紝鍒欏皢瀵艱嚧鍫嗘爤琚牬鍧忥紝瀵艱嚧涓ラ噸闂錛屼笅闈㈡槸涓ょ甯歌鐨勯棶棰橈細 銆銆鍑芥暟鍘熷瀷澹版槑鍜屽嚱鏁頒綋瀹氫箟涓嶄竴鑷? 銆銆__declspec(dllexport) int func(int a,int b);//娉ㄦ剰錛岃繖閲屾病鏈塻tdcall錛屼嬌鐢ㄧ殑鏄痗decl 銆銆typedef int (*WINAPI DLLFUNC)func(int a,int b); 銆銆DLLFUNC func = (DLLFUNC)GetProcAddress(...)//榪欓噷淇敼浜嗚皟鐢ㄧ害瀹?br>銆銆result = func(1,2);//瀵艱嚧閿欒 銆銆鐢變簬璋冪敤鑰呮病鏈夌悊瑙INAPI鐨勫惈涔夐敊璇殑澧炲姞浜嗚繖涓慨楗幫紝涓婅堪浠g爜蹇呯劧瀵艱嚧鍫嗘爤琚牬鍧忥紝MFC鍦ㄧ紪璇戞椂鎻掑叆鐨刢heckesp鍑芥暟灝嗗憡璇変綘錛屽爢鏍堣鐮村潖鍫嗗拰鏍堢殑鍖哄埆 (杞創)
涓銆侀澶囩煡璇嗏旂▼搴忕殑鍐呭瓨鍒嗛厤
涓涓敱c/C++緙栬瘧鐨勭▼搴忓崰鐢ㄧ殑鍐呭瓨鍒嗕負浠ヤ笅鍑犱釜閮ㄥ垎
1銆佹爤鍖猴紙stack錛夆?nbsp;鐢辯紪璇戝櫒鑷姩鍒嗛厤閲婃斁 錛屽瓨鏀懼嚱鏁扮殑鍙傛暟鍊鹼紝灞閮ㄥ彉閲忕殑鍊肩瓑銆傚叾鎿嶄綔鏂瑰紡綾諱技浜庢暟鎹粨鏋勪腑鐨勬爤銆?br>2銆佸爢鍖猴紙heap錛?nbsp;鈥?nbsp;涓鑸敱紼嬪簭鍛樺垎閰嶉噴鏀撅紝 鑻ョ▼搴忓憳涓嶉噴鏀撅紝紼嬪簭緇撴潫鏃跺彲鑳界敱OS鍥炴敹 銆傛敞鎰忓畠涓庢暟鎹粨鏋勪腑鐨勫爢鏄袱鍥炰簨錛屽垎閰嶆柟寮忓掓槸綾諱技浜庨摼琛紝鍛靛懙銆?br>3銆佸叏灞鍖猴紙闈欐佸尯錛夛紙static錛夆旓紝鍏ㄥ眬鍙橀噺鍜岄潤鎬佸彉閲忕殑瀛樺偍鏄斁鍦ㄤ竴鍧楃殑錛屽垵濮嬪寲鐨勫叏灞鍙橀噺鍜岄潤鎬佸彉閲忓湪涓鍧楀尯鍩燂紝 鏈垵濮嬪寲鐨勫叏灞鍙橀噺鍜屾湭鍒濆鍖栫殑闈欐佸彉閲忓湪鐩擱偦鐨勫彟涓鍧楀尯鍩熴?nbsp;- 紼嬪簭緇撴潫鍚庢湁緋葷粺閲婃斁
4銆佹枃瀛楀父閲忓尯鈥斿父閲忓瓧絎︿覆灝辨槸鏀懼湪榪欓噷鐨勩?nbsp;紼嬪簭緇撴潫鍚庣敱緋葷粺閲婃斁
5銆佺▼搴忎唬鐮佸尯鈥斿瓨鏀懼嚱鏁頒綋鐨勪簩榪涘埗浠g爜銆?br>浜屻佷緥瀛愮▼搴?nbsp;
榪欐槸涓涓墠杈堝啓鐨勶紝闈炲父璇︾粏
//main.cpp
int a = 0; 鍏ㄥ眬鍒濆鍖栧尯
char *p1; 鍏ㄥ眬鏈垵濮嬪寲鍖?nbsp;
main()
{
int b; 鏍?nbsp;
char s[] = "abc"; 鏍?nbsp;
char *p2; 鏍?nbsp;
char *p3 = "123456"; 123456\0鍦ㄥ父閲忓尯錛宲3鍦ㄦ爤涓娿?nbsp;
static int c =0錛?nbsp;鍏ㄥ眬錛堥潤鎬侊級鍒濆鍖栧尯
p1 = (char *)malloc(10);
p2 = (char *)malloc(20);
鍒嗛厤寰楁潵寰?0鍜?0瀛楄妭鐨勫尯鍩熷氨鍦ㄥ爢鍖恒?nbsp;
strcpy(p1, "123456"); 123456\0鏀懼湪甯擱噺鍖猴紝緙栬瘧鍣ㄥ彲鑳戒細灝嗗畠涓巔3鎵鎸囧悜鐨?123456"浼樺寲鎴愪竴涓湴鏂廣?nbsp;
}
浜屻佸爢鍜屾爤鐨勭悊璁虹煡璇?nbsp;
2.1鐢寵鏂瑰紡
stack:
鐢辯郴緇熻嚜鍔ㄥ垎閰嶃?nbsp;渚嬪錛屽0鏄庡湪鍑芥暟涓竴涓眬閮ㄥ彉閲?nbsp;int b; 緋葷粺鑷姩鍦ㄦ爤涓負b寮杈熺┖闂?nbsp;
heap:
闇瑕佺▼搴忓憳鑷繁鐢寵錛屽茍鎸囨槑澶у皬錛屽湪c涓璵alloc鍑芥暟
濡俻1 = (char *)malloc(10);
鍦–++涓敤new榪愮畻絎?nbsp;
濡俻2 = (char *)malloc(10);
浣嗘槸娉ㄦ剰p1銆乸2鏈韓鏄湪鏍堜腑鐨勩?nbsp;
2.2
鐢寵鍚庣郴緇熺殑鍝嶅簲
鏍堬細鍙鏍堢殑鍓╀綑絀洪棿澶т簬鎵鐢寵絀洪棿錛岀郴緇熷皢涓虹▼搴忔彁渚涘唴瀛橈紝鍚﹀垯灝嗘姤寮傚父鎻愮ず鏍堟孩鍑恒?nbsp;
鍫嗭細棣栧厛搴旇鐭ラ亾鎿嶄綔緋葷粺鏈変竴涓褰曠┖闂插唴瀛樺湴鍧鐨勯摼琛紝褰撶郴緇熸敹鍒扮▼搴忕殑鐢寵鏃訛紝
浼氶亶鍘嗚閾捐〃錛屽鎵劇涓涓┖闂村ぇ浜庢墍鐢寵絀洪棿鐨勫爢緇撶偣錛岀劧鍚庡皢璇ョ粨鐐逛粠絀洪棽緇撶偣閾捐〃涓垹闄わ紝騫跺皢璇ョ粨鐐圭殑絀洪棿鍒嗛厤緇欑▼搴忥紝鍙﹀錛屽浜庡ぇ澶氭暟緋葷粺錛屼細鍦ㄨ繖鍧楀唴瀛樼┖闂翠腑鐨勯鍦板潃澶勮褰曟湰嬈″垎閰嶇殑澶у皬錛岃繖鏍鳳紝浠g爜涓殑delete璇彞鎵嶈兘姝g‘鐨勯噴鏀炬湰鍐呭瓨絀洪棿銆傚彟澶栵紝鐢變簬鎵懼埌鐨勫爢緇撶偣鐨勫ぇ灝忎笉涓瀹氭濂界瓑浜庣敵璇風殑澶у皬錛岀郴緇熶細鑷姩鐨勫皢澶氫綑鐨勯偅閮ㄥ垎閲嶆柊鏀懼叆絀洪棽閾捐〃涓?nbsp;
鏍堬細鍦╓indows涓?鏍堟槸鍚戜綆鍦板潃鎵╁睍鐨勬暟鎹粨鏋勶紝鏄竴鍧楄繛緇殑鍐呭瓨鐨勫尯鍩熴傝繖鍙ヨ瘽鐨勬剰鎬濇槸鏍堥《鐨勫湴鍧鍜屾爤鐨勬渶澶у閲忔槸緋葷粺棰勫厛瑙勫畾濂界殑錛屽湪WINDOWS涓嬶紝鏍堢殑澶у皬鏄?M錛堜篃鏈夌殑璇存槸1M錛屾諱箣鏄竴涓紪璇戞椂灝辯‘瀹氱殑甯告暟錛夛紝濡傛灉鐢寵鐨勭┖闂磋秴榪囨爤鐨勫墿浣欑┖闂存椂錛屽皢鎻愮ずoverflow銆傚洜姝わ紝鑳戒粠鏍堣幏寰楃殑絀洪棿杈冨皬銆?nbsp;
鍫嗭細鍫嗘槸鍚戦珮鍦板潃鎵╁睍鐨勬暟鎹粨鏋勶紝鏄笉榪炵畫鐨勫唴瀛樺尯鍩熴傝繖鏄敱浜庣郴緇熸槸鐢ㄩ摼琛ㄦ潵瀛樺偍鐨勭┖闂插唴瀛樺湴鍧鐨勶紝鑷劧鏄笉榪炵畫鐨勶紝鑰岄摼琛ㄧ殑閬嶅巻鏂瑰悜鏄敱浣庡湴鍧鍚戦珮鍦板潃銆傚爢鐨勫ぇ灝忓彈闄愪簬璁$畻鏈虹郴緇熶腑鏈夋晥鐨勮櫄鎷熷唴瀛樸傜敱姝ゅ彲瑙侊紝鍫嗚幏寰楃殑絀洪棿姣旇緝鐏墊椿錛屼篃姣旇緝澶с?nbsp;
2.4鐢寵鏁堢巼鐨勬瘮杈冿細
鏍堢敱緋葷粺鑷姩鍒嗛厤錛岄熷害杈冨揩銆備絾紼嬪簭鍛樻槸鏃犳硶鎺у埗鐨勩?nbsp;
鍫嗘槸鐢眓ew鍒嗛厤鐨勫唴瀛橈紝涓鑸熷害姣旇緝鎱紝鑰屼笖瀹規槗浜х敓鍐呭瓨紕庣墖,涓嶈繃鐢ㄨ搗鏉ユ渶鏂逛究.
鍙﹀錛屽湪WINDOWS涓嬶紝鏈濂界殑鏂瑰紡鏄敤VirtualAlloc鍒嗛厤鍐呭瓨錛屼粬涓嶆槸鍦ㄥ爢錛屼篃涓嶆槸鍦ㄦ爤鏄洿鎺ュ湪榪涚▼鐨勫湴鍧絀洪棿涓繚鐣欎竴蹇唴瀛橈紝铏界劧鐢ㄨ搗鏉ユ渶涓嶆柟渚褲備絾鏄熷害蹇紝涔熸渶鐏墊椿銆?nbsp;
鏍堬細 鍦ㄥ嚱鏁拌皟鐢ㄦ椂錛岀涓涓繘鏍堢殑鏄富鍑芥暟涓悗鐨勪笅涓鏉℃寚浠わ紙鍑芥暟璋冪敤璇彞鐨勪笅涓鏉″彲鎵ц璇彞錛夌殑鍦板潃錛岀劧鍚庢槸鍑芥暟鐨勫悇涓弬鏁幫紝鍦ㄥぇ澶氭暟鐨凜緙栬瘧鍣ㄤ腑錛屽弬鏁版槸鐢卞彸寰宸﹀叆鏍堢殑錛岀劧鍚庢槸鍑芥暟涓殑灞閮ㄥ彉閲忋傛敞鎰忛潤鎬佸彉閲忔槸涓嶅叆鏍堢殑銆?nbsp;
褰撴湰嬈″嚱鏁拌皟鐢ㄧ粨鏉熷悗錛屽眬閮ㄥ彉閲忓厛鍑烘爤錛岀劧鍚庢槸鍙傛暟錛屾渶鍚庢爤欏舵寚閽堟寚鍚戞渶寮濮嬪瓨鐨勫湴鍧錛屼篃灝辨槸涓誨嚱鏁頒腑鐨勪笅涓鏉℃寚浠わ紝紼嬪簭鐢辮鐐圭戶緇繍琛屻?nbsp;
鍫嗭細涓鑸槸鍦ㄥ爢鐨勫ご閮ㄧ敤涓涓瓧鑺傚瓨鏀懼爢鐨勫ぇ灝忋傚爢涓殑鍏蜂綋鍐呭鏈夌▼搴忓憳瀹夋帓銆?nbsp;
char *s2 = "bbbbbbbbbbbbbbbbb";
aaaaaaaaaaa鏄湪榪愯鏃跺埢璧嬪肩殑錛?nbsp;
鑰宐bbbbbbbbbb鏄湪緙栬瘧鏃跺氨紜畾鐨勶紱
浣嗘槸錛屽湪浠ュ悗鐨勫瓨鍙栦腑錛屽湪鏍堜笂鐨勬暟緇勬瘮鎸囬拡鎵鎸囧悜鐨勫瓧絎︿覆(渚嬪鍫?蹇?nbsp;
姣斿錛?nbsp;
#include
void main()
{
char a = 1;
char c[] = "1234567890";
char *p ="1234567890";
a = c[1];
a = p[1];
return;
}
瀵瑰簲鐨勬眹緙栦唬鐮?nbsp;
10: a = c[1];
00401067 8A 4D F1 mov cl,byte ptr [ebp-0Fh]
0040106A 88 4D FC mov byte ptr [ebp-4],cl
11: a = p[1];
0040106D 8B 55 EC mov edx,dword ptr [ebp-14h]
00401070 8A 42 01 mov al,byte ptr [edx+1]
00401073 88 45 FC mov byte ptr [ebp-4],al
絎竴縐嶅湪璇誨彇鏃剁洿鎺ュ氨鎶婂瓧絎︿覆涓殑鍏冪礌璇誨埌瀵勫瓨鍣╟l涓紝鑰岀浜岀鍒欒鍏堟妸鎸囬拡鍊艱鍒癳dx涓紝鍦ㄦ牴鎹甧dx璇誨彇瀛楃錛屾樉鐒舵參浜嗐?nbsp;
2.7灝忕粨錛?nbsp;
鍫嗗拰鏍堢殑鍖哄埆鍙互鐢ㄥ涓嬬殑姣斿柣鏉ョ湅鍑猴細
浣跨敤鏍堝氨璞℃垜浠幓楗閲屽悆楗紝鍙鐐硅彍錛堝彂鍑虹敵璇鳳級銆佷粯閽便佸拰鍚冿紙浣跨敤錛夛紝鍚冮ケ浜嗗氨璧幫紝涓嶅繀鐞嗕細鍒囪彍銆佹礂鑿滅瓑鍑嗗宸ヤ綔鍜屾礂紕椼佸埛閿呯瓑鎵熬宸ヤ綔錛屼粬鐨勫ソ澶勬槸蹇嵎錛屼絾鏄嚜鐢卞害灝忋?nbsp;
浣跨敤鍫嗗氨璞℃槸鑷繁鍔ㄦ墜鍋氬枩嬈㈠悆鐨勮彍鑲達紝姣旇緝楹葷儲錛屼絾鏄瘮杈冪鍚堣嚜宸辯殑鍙e懗錛岃屼笖鑷敱搴﹀ぇ銆?nbsp;
鍦ㄩ槄璇繪湰鏂囦箣鍓嶏紝濡傛灉浣犺繛鍫嗘爤鏄粈涔堝涓嶇煡閬撶殑璇濓紝璇峰厛闃呰鏂囩珷鍚庨潰鐨勫熀紜鐭ヨ瘑銆?nbsp;
{
static int s1=0, s2=0, s3=0;
int v1=0, v2=0, v3=0;
printf("0x%08x\n",&v2);
printf("0x%08x\n\n",&v3);
printf("0x%08x\n",&g1); //鎵撳嵃鍚勫叏灞鍙橀噺鐨勫唴瀛樺湴鍧
printf("0x%08x\n",&g2);
printf("0x%08x\n\n",&g3);
printf("0x%08x\n",&s1); //鎵撳嵃鍚勯潤鎬佸彉閲忕殑鍐呭瓨鍦板潃
printf("0x%08x\n",&s2);
printf("0x%08x\n\n",&s3);
return 0;
}
0x0012ff7c
0x0012ff80
0x004068d4
0x004068d8
0x004068e0
0x004068e4
鈹溾斺斺斺斺斺斺斺敜浣庣鍐呭瓨鍖哄煙
鈹?nbsp;…… 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;鍔ㄦ佹暟鎹尯 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;…… 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;浠g爜鍖?nbsp;鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;闈欐佹暟鎹尯 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;…… 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜楂樼鍐呭瓨鍖哄煙
鍫嗘爤鏄竴涓厛榪涘悗鍑虹殑鏁版嵁緇撴瀯錛屾爤欏跺湴鍧鎬繪槸灝忎簬絳変簬鏍堢殑鍩哄湴鍧銆傛垜浠彲浠ュ厛浜嗚В涓涓嬪嚱鏁拌皟鐢ㄧ殑榪囩▼錛屼互渚垮鍫嗘爤鍦ㄧ▼搴忎腑鐨勪綔鐢ㄦ湁鏇存繁鍏ョ殑浜嗚В銆備笉鍚岀殑璇█鏈変笉鍚岀殑鍑芥暟璋冪敤瑙勫畾錛岃繖浜涘洜绱犳湁鍙傛暟鐨勫帇鍏ヨ鍒欏拰鍫嗘爤鐨勫鉤琛°倃indows API鐨勮皟鐢ㄨ鍒欏拰ANSI C鐨勫嚱鏁拌皟鐢ㄨ鍒欐槸涓嶄竴鏍風殑錛屽墠鑰呯敱琚皟鍑芥暟璋冩暣鍫嗘爤錛屽悗鑰呯敱璋冪敤鑰呰皟鏁村爢鏍堛備袱鑰呴氳繃“__stdcall”鍜?#8220;__cdecl”鍓嶇紑鍖哄垎銆傚厛鐪嬩笅闈㈣繖孌典唬鐮侊細
{
int var1=param1;
int var2=param2;
int var3=param3;
printf("0x%08x\n",¶m1); //鎵撳嵃鍑哄悇涓彉閲忕殑鍐呭瓨鍦板潃
printf("0x%08x\n",¶m2);
printf("0x%08x\n\n",¶m3);
printf("0x%08x\n",&var1);
printf("0x%08x\n",&var2);
printf("0x%08x\n\n",&var3);
return;
}
{
func(1,2,3);
return 0;
}
0x0012ff7c
0x0012ff80
0x0012ff6c
0x0012ff70
鈹溾斺斺斺斺斺斺斺敜<鈥斿嚱鏁版墽琛屾椂鐨勬爤欏訛紙ESP錛夈佷綆绔唴瀛樺尯鍩?nbsp;
鈹?nbsp;…… 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;var 1 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;var 2 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;var 3 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;RET 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜<鈥?#8220;__cdecl”鍑芥暟榪斿洖鍚庣殑鏍堥《錛圗SP錛?nbsp;
鈹?nbsp;parameter 1 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;parameter 2 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;parameter 3 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜<鈥?#8220;__stdcall”鍑芥暟榪斿洖鍚庣殑鏍堥《錛圗SP錛?nbsp;
鈹?nbsp;…… 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜<鈥旀爤搴曪紙鍩哄湴鍧 EBP錛夈侀珮绔唴瀛樺尯鍩?nbsp;
涓婂浘灝辨槸鍑芥暟璋冪敤榪囩▼涓爢鏍堢殑鏍峰瓙浜嗐傞鍏堬紝涓変釜鍙傛暟浠ヤ粠鍙堝埌宸︾殑嬈″簭鍘嬪叆鍫嗘爤錛屽厛鍘?#8220;param3”錛屽啀鍘?#8220;param2”錛屾渶鍚庡帇鍏?#8220;param1”錛涚劧鍚庡帇鍏ュ嚱鏁扮殑榪斿洖鍦板潃(RET)錛屾帴鐫璺寵漿鍒板嚱鏁板湴鍧鎺ョ潃鎵ц錛堣繖閲岃琛ュ厖涓鐐癸紝浠嬬粛UNIX涓嬬殑緙撳啿婧㈠嚭鍘熺悊鐨勬枃绔犱腑閮芥彁鍒板湪鍘嬪叆RET鍚庯紝緇х畫鍘嬪叆褰撳墠EBP錛岀劧鍚庣敤褰撳墠ESP浠f浛EBP銆傜劧鑰岋紝鏈変竴綃囦粙緇峸indows涓嬪嚱鏁拌皟鐢ㄧ殑鏂囩珷涓錛屽湪windows涓嬬殑鍑芥暟璋冪敤涔熸湁榪欎竴姝ラ錛屼絾鏍規嵁鎴戠殑瀹為檯璋冭瘯錛屽茍鏈彂鐜拌繖涓姝ワ紝榪欒繕鍙互浠巔aram3鍜寁ar1涔嬮棿鍙湁4瀛楄妭鐨勯棿闅欒繖鐐圭湅鍑烘潵錛夛紱絎笁姝ワ紝灝嗘爤欏?ESP)鍑忓幓涓涓暟錛屼負鏈湴鍙橀噺鍒嗛厤鍐呭瓨絀洪棿錛屼笂渚嬩腑鏄噺鍘?2瀛楄妭(ESP=ESP-3*4錛屾瘡涓猧nt鍙橀噺鍗犵敤4涓瓧鑺?錛涙帴鐫灝卞垵濮嬪寲鏈湴鍙橀噺鐨勫唴瀛樼┖闂淬傜敱浜?#8220;__stdcall”璋冪敤鐢辮璋冨嚱鏁拌皟鏁村爢鏍堬紝鎵浠ュ湪鍑芥暟榪斿洖鍓嶈鎭㈠鍫嗘爤錛屽厛鍥炴敹鏈湴鍙橀噺鍗犵敤鐨勫唴瀛?ESP=ESP+3*4)錛岀劧鍚庡彇鍑鴻繑鍥炲湴鍧錛屽~鍏IP瀵勫瓨鍣紝鍥炴敹鍏堝墠鍘嬪叆鍙傛暟鍗犵敤鐨勫唴瀛?ESP=ESP+3*4)錛岀戶緇墽琛岃皟鐢ㄨ呯殑浠g爜銆傚弬瑙佷笅鍒楁眹緙栦唬鐮侊細
:00401003 8B442410 mov eax, dword ptr [esp+10]
:00401007 8B4C2414 mov ecx, dword ptr [esp+14]
:0040100B 8B542418 mov edx, dword ptr [esp+18]
:0040100F 89442400 mov dword ptr [esp], eax
:00401013 8D442410 lea eax, dword ptr [esp+10]
:00401017 894C2404 mov dword ptr [esp+04], ecx
:00401078 C3 ret 000C ;鍑芥暟榪斿洖錛屾仮澶嶅弬鏁板崰鐢ㄧ殑鍐呭瓨絀洪棿
;濡傛灉鏄?#8220;__cdecl”鐨勮瘽錛岃繖閲屾槸“ret”錛屽爢鏍堝皢鐢辮皟鐢ㄨ呮仮澶?nbsp;
;--------------涓葷▼搴忚皟鐢╢unc鍑芥暟鐨勪唬鐮?-------------
:00401082 6A02 push 00000002 //鍘嬪叆鍙傛暟param2
:00401084 6A01 push 00000001 //鍘嬪叆鍙傛暟param1
:00401086 E875FFFFFF call 00401000 //璋冪敤func鍑芥暟
;濡傛灉鏄?#8220;__cdecl”鐨勮瘽錛屽皢鍦ㄨ繖閲屾仮澶嶅爢鏍堬紝“add esp, 0000000C”
#include <string.h>
{
char lpBuff[8]="\0";
strcat(lpBuff,"AAAAAAAAAAA");
return;
}
{
func();
return 0;
}
鈹溾斺斺斺斺斺斺斺敜<鈥斾綆绔唴瀛樺尯鍩?nbsp;
鈹?nbsp;…… 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜<鈥旂敱exploit濉叆鏁版嵁鐨勫紑濮?nbsp;
鈹?nbsp;鈹?nbsp;
鈹?nbsp;buffer 鈹?lt;鈥斿~鍏ユ棤鐢ㄧ殑鏁版嵁
鈹?nbsp;鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;RET 鈹?lt;鈥旀寚鍚憇hellcode錛屾垨NOP鎸囦護鐨勮寖鍥?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;NOP 鈹?nbsp;
鈹?nbsp;…… 鈹?lt;鈥斿~鍏ョ殑NOP鎸囦護錛屾槸RET鍙寚鍚戠殑鑼冨洿
鈹?nbsp;NOP 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜
鈹?nbsp;鈹?nbsp;
鈹?nbsp;shellcode 鈹?nbsp;
鈹?nbsp;鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜<鈥旂敱exploit濉叆鏁版嵁鐨勭粨鏉?nbsp;
鈹?nbsp;…… 鈹?nbsp;
鈹溾斺斺斺斺斺斺斺敜<鈥旈珮绔唴瀛樺尯鍩?nbsp;
windows涓嬬殑鍔ㄦ佹暟鎹櫎浜嗗彲瀛樻斁鍦ㄦ爤涓紝榪樺彲浠ュ瓨鏀懼湪鍫嗕腑銆備簡瑙++鐨勬湅鍙嬮兘鐭ラ亾錛孋++鍙互浣跨敤new鍏抽敭瀛楁潵鍔ㄦ佸垎閰嶅唴瀛樸傛潵鐪嬩笅闈㈢殑C++浠g爜錛?nbsp;
#include <iostream.h>
#include <windows.h>
{
char *buffer=new char[128];
char bufflocal[128];
static char buffstatic[128];
printf("0x%08x\n",buffer); //鎵撳嵃鍫嗕腑鍙橀噺鐨勫唴瀛樺湴鍧
printf("0x%08x\n",bufflocal); //鎵撳嵃鏈湴鍙橀噺鐨勫唴瀛樺湴鍧
printf("0x%08x\n",buffstatic); //鎵撳嵃闈欐佸彉閲忕殑鍐呭瓨鍦板潃
}
{
func();
return;
}
0x0012ff04
0x004068c0
HeapCreate 鍒涘緩涓涓柊鐨勫爢瀵硅薄
HeapDestroy 閿姣佷竴涓爢瀵硅薄
HeapFree 閲婃斁鐢寵鐨勫唴瀛?nbsp;
HeapWalk 鏋氫婦鍫嗗璞$殑鎵鏈夊唴瀛樺潡
GetProcessHeap 鍙栧緱榪涚▼鐨勯粯璁ゅ爢瀵硅薄
GetProcessHeaps 鍙栧緱榪涚▼鎵鏈夌殑鍫嗗璞?nbsp;
LocalAlloc
GlobalAlloc
char *buff=HeapAlloc(hHeap,0,8);
#include <windows.h>
/*---------------------------------------------------------------------------
鍐欏埌榪欓噷錛屾垜浠『渚挎潵澶嶄範涓涓嬪墠闈㈡墍璁茬殑鐭ヨ瘑錛?nbsp;
(*娉?printf鍑芥暟鏄疌璇█鐨勬爣鍑嗗嚱鏁板簱涓嚱鏁幫紝VC鐨勬爣鍑嗗嚱鏁板簱鐢眒svcrt.dll妯″潡瀹炵幇銆?nbsp;
鐢卞嚱鏁板畾涔夊彲瑙侊紝printf鐨勫弬鏁頒釜鏁版槸鍙彉鐨勶紝鍑芥暟鍐呴儴鏃犳硶棰勫厛鐭ラ亾璋冪敤鑰呭帇鍏ョ殑鍙傛暟涓暟錛屽嚱鏁板彧鑳介氳繃鍒嗘瀽絎竴涓弬鏁板瓧絎︿覆鐨勬牸寮忔潵鑾峰緱鍘嬪叆鍙傛暟鐨勪俊鎭紝鐢變簬榪欓噷鍙傛暟鐨勪釜鏁版槸鍔ㄦ佺殑錛屾墍浠ュ繀欏葷敱璋冪敤鑰呮潵騫寵 鍫嗘爤錛岃繖閲屼究浣跨敤浜哶_cdecl璋冪敤瑙勫垯銆侭TW錛學indows緋葷粺鐨凙PI鍑芥暟鍩烘湰涓婃槸__stdcall璋冪敤褰㈠紡錛屽彧鏈変竴涓狝PI渚嬪錛岄偅灝辨槸wsprintf錛屽畠浣跨敤__cdecl璋冪敤瑙勫垯錛屽悓printf鍑芥暟涓鏍鳳紝榪欐槸鐢變簬瀹冪殑鍙傛暟涓暟鏄彲鍙樼殑緙樻晠銆?nbsp;
---------------------------------------------------------------------------*/
void main()
{
HANDLE hHeap=GetProcessHeap();
char *buff=HeapAlloc(hHeap,0,0x10);
char *buff2=HeapAlloc(hHeap,0,0x10);
HMODULE hMsvcrt=LoadLibrary("msvcrt.dll");
printf=(void *)GetProcAddress(hMsvcrt,"printf");
printf("0x%08x\n",hHeap);
printf("0x%08x\n",buff);
printf("0x%08x\n\n",buff2);
}
0x00133100
0x00133118
{
int a;
char b;
int c;
printf("0x%08x\n",&a);
printf("0x%08x\n",&b);
printf("0x%08x\n",&c);
return 0;
}
0x0012ff7c
0x0012ff7b
0x0012ff80
鍙橀噺鍦ㄥ唴瀛樹腑鐨勯『搴忥細b(1瀛楄妭)-a(4瀛楄妭)-c(4瀛楄妭)銆?nbsp;
0x0022ff7c
0x0022ff7b
0x0022ff74
鍙橀噺鍦ㄥ唴瀛樹腑鐨勯『搴忥細c(4瀛楄妭)-涓棿鐩擱殧3瀛楄妭-b(鍗?瀛楄妭)-a(4瀛楄妭)銆?nbsp;
0x0012ff6c
0x0012ff6b
0x0012ff64
鍙橀噺鍦ㄥ唴瀛樹腑鐨勯『搴忥細鍚屼笂銆?nbsp;
鍩虹鐭ヨ瘑錛?nbsp;
鍫嗘爤鏄竴縐嶇畝鍗曠殑鏁版嵁緇撴瀯錛屾槸涓縐嶅彧鍏佽鍦ㄥ叾涓绔繘琛屾彃鍏ユ垨鍒犻櫎鐨勭嚎鎬ц〃銆傚厑璁告彃鍏ユ垨鍒犻櫎鎿嶄綔鐨勪竴绔О涓烘爤欏訛紝鍙︿竴绔О涓烘爤搴曪紝瀵瑰爢鏍堢殑鎻掑叆鍜屽垹闄ゆ搷浣滆縐頒負鍏ユ爤鍜屽嚭鏍堛傛湁涓緇凜PU鎸囦護鍙互瀹炵幇瀵硅繘紼嬬殑鍐呭瓨瀹炵幇鍫嗘爤璁塊棶銆傚叾涓紝POP鎸囦護瀹炵幇鍑烘爤鎿嶄綔錛孭USH鎸囦護瀹炵幇鍏ユ爤鎿嶄綔銆侰PU鐨凟SP瀵勫瓨鍣ㄥ瓨鏀懼綋鍓嶇嚎紼嬬殑鏍堥《鎸囬拡錛孍BP瀵勫瓨鍣ㄤ腑淇濆瓨褰撳墠綰跨▼鐨勬爤搴曟寚閽堛侰PU鐨凟IP瀵勫瓨鍣ㄥ瓨鏀句笅涓涓狢PU鎸囦護瀛樻斁鐨勫唴瀛樺湴鍧錛屽綋CPU鎵ц瀹屽綋鍓嶇殑鎸囦護鍚庯紝浠嶦IP瀵勫瓨鍣ㄤ腑璇誨彇涓嬩竴鏉℃寚浠ょ殑鍐呭瓨鍦板潃錛岀劧鍚庣戶緇墽琛屻?nbsp;
鍙傝冿細銆奧indows涓嬬殑HEAP婧㈠嚭鍙婂叾鍒╃敤銆媌y: isno
銆妛indows鏍稿績緙栫▼銆媌y: Jeffrey Richter
鎮ㄦ槸鍚︽槸鍔ㄦ佸垎閰嶇殑 C/C++ 瀵硅薄蹇犲疄涓斿垢榪愮殑鐢ㄦ埛錛熸偍鏄惁鍦ㄦā鍧楅棿鐨勫線榪旈氫俊涓綣佸湴浣跨敤浜?#8220;鑷姩鍖?#8221;錛熸偍鐨勭▼搴忔槸鍚﹀洜鍫嗗垎閰嶈岃繍琛岃搗鏉ュ緢鎱紵涓嶄粎浠呮偍閬囧埌榪欐牱鐨勯棶棰樸傚嚑涔庢墍鏈夐」鐩繜鏃╅兘浼氶亣鍒板爢闂銆傚ぇ瀹墮兘鎯寵錛?#8220;鎴戠殑浠g爜鐪熸濂斤紝鍙槸鍫嗗お鎱?#8221;銆傞偅鍙槸閮ㄥ垎姝g‘銆傛洿娣卞叆鐞嗚В鍫嗗強鍏剁敤娉曘佷互鍙婁細鍙戠敓浠涔堥棶棰橈紝鏄緢鏈夌敤鐨勩?/p>
錛堝鏋滄偍宸茬粡鐭ラ亾浠涔堟槸鍫嗭紝鍙互璺沖埌“浠涔堟槸甯歌鐨勫爢鎬ц兘闂錛?#8221;閮ㄥ垎錛?/p>
瀵硅薄澶ぇ鑰屼笉閫傚悎鍫嗘爤鍒嗛厤紼嬪簭銆?br>鍫嗕嬌鐢ㄤ簡鍦ㄨ繍琛屾椂鍒嗛厤緇欎唬鐮佸拰鍫嗘爤鐨勫唴瀛樹箣澶栫殑閮ㄥ垎鍐呭瓨銆備笅鍥劇粰鍑轟簡鍫嗗垎閰嶇▼搴忕殑涓嶅悓灞傘?br>
浼犵粺涓婏紝鎿嶄綔緋葷粺鍜岃繍琛屾椂搴撴槸涓庡爢鐨勫疄鐜板叡瀛樼殑銆傚湪涓涓繘紼嬬殑寮濮嬶紝鎿嶄綔緋葷粺鍒涘緩涓涓粯璁ゅ爢錛屽彨鍋?#8220;榪涚▼鍫?#8221;銆傚鏋滄病鏈夊叾浠栧爢鍙嬌鐢紝鍒欏潡鐨勫垎閰嶄嬌鐢?#8220;榪涚▼鍫?#8221;銆傝璦榪愯鏃朵篃鑳藉湪榪涚▼鍐呭垱寤哄崟鐙殑鍫嗐傦紙渚嬪錛孋 榪愯鏃跺垱寤哄畠鑷繁鐨勫爢銆傦級闄よ繖浜涗笓鐢ㄧ殑鍫嗗錛屽簲鐢ㄧ▼搴忔垨璁稿宸茶澆鍏ョ殑鍔ㄦ侀摼鎺ュ簱 (DLL) 涔嬩竴鍙互鍒涘緩鍜屼嬌鐢ㄥ崟鐙殑鍫嗐俉in32 鎻愪緵涓鏁村 API 鏉ュ垱寤哄拰浣跨敤縐佹湁鍫嗐傛湁鍏沖爢鍑芥暟錛堣嫳鏂囷級鐨勮灝芥寚瀵鹼紝璇峰弬瑙?nbsp;MSDN銆?/p>
http://www.cs.utexas.edu/users/oops/papers.html)錛堣嫳鏂囷級銆?/p>
閲婃斁鎿嶄綔閫犳垚鐨勯熷害鍑忔參銆傞噴鏀炬搷浣滆楄垂杈冨鍛ㄦ湡錛屼富瑕佹槸鍚敤浜嗘敹闆嗘搷浣溿傛敹闆嗘湡闂達紝姣忎釜閲婃斁鎿嶄綔“鏌ユ壘”瀹冪殑鐩擱偦鍧楋紝鍙栧嚭瀹冧滑騫舵瀯閫犳垚杈冨ぇ鍧楋紝鐒跺悗鍐嶆妸姝よ緝澶у潡鎻掑叆絀洪棽鍒楄〃銆傚湪鏌ユ壘鏈熼棿錛屽唴瀛樺彲鑳戒細闅忔満紕板埌錛屼粠鑰屽鑷撮珮閫熺紦瀛樹笉鑳藉懡涓紝鎬ц兘闄嶄綆銆?/p>
鍫嗙珵浜夐犳垚鐨勯熷害鍑忔參銆傚綋涓や釜鎴栧涓嚎紼嬪悓鏃惰闂暟鎹紝鑰屼笖涓涓嚎紼嬬戶緇繘琛屼箣鍓嶅繀欏葷瓑寰呭彟涓涓嚎紼嬪畬鎴愭椂灝卞彂鐢熺珵浜夈傜珵浜夋繪槸瀵艱嚧楹葷儲錛涜繖涔熸槸鐩墠澶氬鐞嗗櫒緋葷粺閬囧埌鐨勬渶澶ч棶棰樸傚綋澶ч噺浣跨敤鍐呭瓨鍧楃殑搴旂敤紼嬪簭鎴?nbsp;DLL 浠ュ綰跨▼鏂瑰紡榪愯錛堟垨榪愯浜庡澶勭悊鍣ㄧ郴緇熶笂錛夋椂灝嗗鑷撮熷害鍑忔參銆傚崟涓閿佸畾鐨勪嬌鐢ㄢ斿父鐢ㄧ殑瑙e喅鏂規鈥旀剰鍛崇潃浣跨敤鍫嗙殑鎵鏈夋搷浣滄槸搴忓垪鍖栫殑銆傚綋絳夊緟閿佸畾鏃跺簭鍒楀寲浼氬紩璧風嚎紼嬪垏鎹笂涓嬫枃銆傚彲浠ユ兂璞′氦鍙夎礬鍙i棯鐑佺殑綰㈢伅澶勮蛋璧板仠鍋滃鑷寸殑閫熷害鍑忔參銆?nbsp;
绔炰簤閫氬父浼氬鑷寸嚎紼嬪拰榪涚▼鐨勪笂涓嬫枃鍒囨崲銆備笂涓嬫枃鍒囨崲鐨勫紑閿鏄緢澶х殑錛屼絾寮閿鏇村ぇ鐨勬槸鏁版嵁浠庡鐞嗗櫒楂橀熺紦瀛樹腑涓㈠け錛屼互鍙婂悗鏉ョ嚎紼嬪媧繪椂鐨勬暟鎹噸寤恒?/p>
棰戠箒鐨勫垎閰嶅拰閲嶅垎閰嶉犳垚鐨勯熷害鍑忔參銆傝繖鏄嬌鐢ㄨ剼鏈璦鏃墮潪甯告櫘閬嶇殑鐜拌薄銆傚瀛楃涓茶鍙嶅鍒嗛厤錛岄殢閲嶅垎閰嶅闀垮拰閲婃斁銆備笉瑕佽繖鏍峰仛錛屽鏋滃彲鑳斤紝灝介噺鍒嗛厤澶у瓧絎︿覆鍜屼嬌鐢ㄧ紦鍐插尯銆傚彟涓縐嶆柟娉曞氨鏄敖閲忓皯鐢ㄨ繛鎺ユ搷浣溿?br>绔炰簤鏄湪鍒嗛厤鍜岄噴鏀炬搷浣滀腑瀵艱嚧閫熷害鍑忔參鐨勯棶棰樸傜悊鎯蟲儏鍐典笅錛屽笇鏈涗嬌鐢ㄦ病鏈夌珵浜夊拰蹇熷垎閰?閲婃斁鐨勫爢銆傚彲鎯滐紝鐜板湪榪樻病鏈夎繖鏍風殑閫氱敤鍫嗭紝涔熻灝嗘潵浼氭湁銆?/p>
鐜板湪鎮ㄦ槑鐧戒嬌鐢ㄥ爢鏃跺瓨鍦ㄧ殑闂浜嗭紝闅鵑亾鎮ㄤ笉鎯蟲嫢鏈夎兘瑙e喅榪欎簺闂鐨勮秴綰ч瓟媯掑悧錛熸垜鍙笇鏈涙湁銆備絾娌℃湁欖旀硶鑳戒嬌鍫嗚繍琛屽姞蹇斿洜姝や笉瑕佹湡鏈涘湪浜у搧鍑鴻揣涔嬪墠鐨勬渶鍚庝竴鏄熸湡鑳藉澶т負鏀硅銆傚鏋滄彁鍓嶈鍒掑爢絳栫暐錛屾儏鍐靛皢浼氬ぇ澶уソ杞傝皟鏁翠嬌鐢ㄥ爢鐨勬柟娉曪紝鍑忓皯瀵瑰爢鐨勬搷浣滄槸鎻愰珮鎬ц兘鐨勮壇鏂廣?/p>
// objectA 鐨勬暟鎹?nbsp;
}
// objectB 鐨勬暟鎹?nbsp;
}
// 浣跨敤鎸囬拡
//
struct ObjectB {
struct ObjectA * pObjA;
// objectB 鐨勬暟鎹?nbsp;
}
// 浣跨敤宓屽叆
//
struct ObjectB {
struct ObjectA pObjA;
// objectB 鐨勬暟鎹?nbsp;
}
// 闆嗗悎 – 鍦ㄥ彟涓瀵硅薄鍐呬嬌鐢?nbsp;objectA 鍜?nbsp;objectB
//
struct ObjectA objA;
struct ObjectB objB;
}
鎶婂甫鎸囬拡鐨勫瓙瀵硅薄宓屽叆鐖跺璞°傚綋瀵硅薄涓湁鎸囬拡鏃訛紝鍒欐剰鍛崇潃瀵硅薄涓湁鍔ㄦ佸厓绱狅紙鐧懼垎涔嬪叓鍗侊級鍜屾病鏈夊紩鐢ㄧ殑鏂頒綅緗傚祵鍏ュ鍔犱簡浣嶇疆浠庤屽噺灝戜簡榪涗竴姝ュ垎閰?閲婃斁鐨勯渶姹傘傝繖灝嗘彁楂樺簲鐢ㄧ▼搴忕殑鎬ц兘銆?/p>
鍚堝茍灝忓璞″艦鎴愬ぇ瀵硅薄錛堣仛鍚堬級銆傝仛鍚堝噺灝戝垎閰嶅拰閲婃斁鐨勫潡鐨勬暟閲忋傚鏋滄湁鍑犱釜寮鍙戣咃紝鍚勮嚜寮鍙戣璁$殑涓嶅悓閮ㄥ垎錛屽垯鏈緇堜細鏈夎澶氬皬瀵硅薄闇瑕佸悎騫躲傞泦鎴愮殑鎸戞垬灝辨槸瑕佹壘鍒版紜殑鑱氬悎杈圭晫銆?/p>
鍐呰仈緙撳啿鍖鴻兘澶熸弧瓚崇櫨鍒嗕箣鍏崄鐨勯渶瑕侊紙aka 80-20 瑙勫垯錛夈備釜鍒儏鍐典笅錛岄渶瑕佸唴瀛樼紦鍐插尯鏉ヤ繚瀛樺瓧絎︿覆/浜岃繘鍒舵暟鎹紝浣嗕簨鍏堜笉鐭ラ亾鎬誨瓧鑺傛暟銆備及璁″茍鍐呰仈涓涓ぇ灝忚兘婊¤凍鐧懼垎涔嬪叓鍗侀渶瑕佺殑緙撳啿鍖恒傚鍓╀綑鐨勭櫨鍒嗕箣浜屽崄錛屽彲浠ュ垎閰嶄竴涓柊鐨勭紦鍐插尯鍜屾寚鍚戣繖涓紦鍐插尯鐨勬寚閽堛傝繖鏍鳳紝灝卞噺灝戝垎閰嶅拰閲婃斁璋冪敤騫跺鍔犳暟鎹殑浣嶇疆絀洪棿錛屼粠鏍規湰涓婃彁楂樹唬鐮佺殑鎬ц兘銆?/p>
鍦ㄥ潡涓垎閰嶅璞★紙鍧楀寲錛夈傚潡鍖栨槸浠ョ粍鐨勬柟寮忎竴嬈″垎閰嶅涓璞$殑鏂規硶銆傚鏋滃鍒楄〃鐨勯」榪炵畫璺熻釜錛屼緥濡傚涓涓?nbsp;{鍚嶇О錛屽紏 瀵圭殑鍒楄〃錛屾湁涓ょ閫夋嫨錛氶夋嫨涓鏄負姣忎竴涓?#8220;鍚嶇О-鍊?#8221;瀵瑰垎閰嶄竴涓妭鐐癸紱閫夋嫨浜屾槸鍒嗛厤涓涓兘瀹圭撼錛堝浜斾釜錛?#8220;鍚嶇О-鍊?#8221;瀵圭殑緇撴瀯銆備緥濡傦紝涓鑸儏鍐典笅錛屽鏋滃瓨鍌ㄥ洓瀵癸紝灝卞彲鍑忓皯鑺傜偣鐨勬暟閲忥紝濡傛灉闇瑕侀澶栫殑絀洪棿鏁伴噺錛屽垯浣跨敤闄勫姞鐨勯摼琛ㄦ寚閽堛?nbsp;
鍧楀寲鏄弸濂界殑澶勭悊鍣ㄩ珮閫熺紦瀛橈紝鐗瑰埆鏄浜?nbsp;L1-楂橀熺紦瀛橈紝鍥犱負瀹冩彁渚涗簡澧炲姞鐨勪綅緗?nbsp;鈥斾笉鐢ㄨ瀵逛簬鍧楀垎閰嶏紝寰堝鏁版嵁鍧椾細鍦ㄥ悓涓涓櫄鎷熼〉涓?/p>
鐢變簬鍑犱釜鍚屼簨鐨勫姫鍔涘拰杈涘嫟宸ヤ綔錛?998 騫村垵 Microsoft Windows(R) 2000 涓湁浜嗗嚑涓噸澶ф敼榪涳細
浣跨敤 “Lookaside”鍒楄〃銆傚爢鏁版嵁緇撴瀯瀵瑰潡鐨勬墍鏈夌┖闂查」浣跨敤浜嗗ぇ灝忓湪 8 鍒?nbsp;1,024 瀛楄妭錛堜互 8-瀛楄妭閫掑錛夌殑蹇熼珮閫熺紦瀛樸傚揩閫熼珮閫熺紦瀛樻渶鍒濅繚鎶ゅ湪鍏ㄥ眬閿佸唴銆傜幇鍦紝浣跨敤 lookaside 鍒楄〃鏉ヨ闂繖浜涘揩閫熼珮閫熺紦瀛樼┖闂插垪琛ㄣ傝繖浜涘垪琛ㄤ笉瑕佹眰閿佸畾錛岃屾槸浣跨敤 64 浣嶇殑浜掗攣鎿嶄綔錛屽洜姝ゆ彁楂樹簡鎬ц兘銆?/p>
鍐呴儴鏁版嵁緇撴瀯綆楁硶涔熷緱鍒版敼榪涖?br>榪欎簺鏀硅繘閬垮厤浜嗗鍒嗛厤楂橀熺紦瀛樼殑闇姹傦紝浣嗕笉鎺掗櫎鍏朵粬鐨勪紭鍖栥備嬌鐢?nbsp;Windows NT5 鍫嗚瘎浼版偍鐨勪唬鐮侊紱瀹冨灝忎簬 1,024 瀛楄妭 (1 KB) 鐨勫潡錛堟潵鑷墠绔垎閰嶇▼搴忕殑鍧楋級鏄渶浣崇殑銆侴lobalAlloc() 鍜?nbsp;LocalAlloc() 寤虹珛鍦ㄥ悓涓鍫嗕笂錛屾槸瀛樺彇姣忎釜榪涚▼鍫嗙殑閫氱敤鏈哄埗銆傚鏋滃笇鏈涜幏寰楅珮鐨勫眬閮ㄦц兘錛屽垯浣跨敤 Heap(R) API 鏉ュ瓨鍙栨瘡涓繘紼嬪爢錛屾垨涓哄垎閰嶆搷浣滃垱寤鴻嚜宸辯殑鍫嗐傚鏋滈渶瑕佸澶у潡鎿嶄綔錛屼篃鍙互鐩存帴浣跨敤 VirtualAlloc() / VirtualFree() 鎿嶄綔銆?/p>
鍒嗛厤楂橀熺紦瀛樺厑璁擱珮閫熺紦瀛樺垎閰嶇殑鍧楋紝浠ヤ究灝嗘潵閲嶇敤銆傝繖鑳藉鍑忓皯瀵硅繘紼嬪爢錛堟垨鍏ㄥ眬鍫嗭級鐨勫垎閰?閲婃斁璋冪敤鐨勬鏁幫紝涔熷厑璁告渶澶ч檺搴︾殑閲嶇敤鏇劇粡鍒嗛厤鐨勫潡銆傚彟澶栵紝鍒嗛厤楂橀熺紦瀛樺厑璁告敹闆嗙粺璁′俊鎭?浠ヤ究杈冨ソ鍦扮悊瑙e璞″湪杈冮珮灞傛涓婄殑浣跨敤銆?/p>
MP 鍫嗘槸瀵瑰澶勭悊鍣ㄥ弸濂界殑鍒嗗竷寮忓垎閰嶇殑紼嬪簭鍖咃紝鍦?nbsp;Win32 SDK錛圵indows NT 4.0 鍜屾洿鏂扮増鏈級涓彲浠ュ緱鍒般傛渶鍒濈敱 JVert 瀹炵幇錛屾澶勫爢鎶借薄寤虹珛鍦?nbsp;Win32 鍫嗙▼搴忓寘鐨勯《閮ㄣ侻P 鍫嗗垱寤哄涓?nbsp;Win32 鍫嗭紝騫惰瘯鍥懼皢鍒嗛厤璋冪敤鍒嗗竷鍒頒笉鍚屽爢錛屼互鍑忓皯鍦ㄦ墍鏈夊崟涓閿佷笂鐨勭珵浜夈?/p>
瑕佸湪澶氬鐞嗗櫒鏈哄櫒涓婁幾緙╋紝鍒欑畻娉曘佸疄鐜般佹暟鎹粨鏋勫拰紜歡蹇呴』鍔ㄦ佷幾緙┿傝鐪嬫渶緇忓父鍒嗛厤鍜岄噴鏀劇殑鏁版嵁緇撴瀯銆傝瘯闂紝“鎴戣兘鐢ㄤ笉鍚岀殑鏁版嵁緇撴瀯瀹屾垚姝ゅ伐浣滃悧錛?#8221;渚嬪錛屽鏋滃湪搴旂敤紼嬪簭鍒濆鍖栨椂鍔犺澆浜嗗彧璇婚」鐨勫垪琛紝榪欎釜鍒楄〃涓嶅繀鏄嚎鎬ч摼鎺ョ殑鍒楄〃銆傚鏋滄槸鍔ㄦ佸垎閰嶇殑鏁扮粍灝遍潪甯稿ソ銆傚姩鎬佸垎閰嶇殑鏁扮粍灝嗗噺灝戝唴瀛樹腑鐨勫爢鍧楀拰紕庣墖錛屼粠鑰屽寮烘ц兘銆?/p>
瀵規墍鏈夊鉤鍙板線寰閮藉瓨鍦ㄥ爢瀹炵幇錛屽洜姝ゆ湁宸ㄥぇ鐨勫紑閿銆傛瘡涓崟鐙唬鐮侀兘鏈夌壒瀹氱殑瑕佹眰錛屼絾璁捐鑳介噰鐢ㄦ湰鏂囪璁虹殑鍩烘湰鐞嗚鏉ュ噺灝戝爢涔嬮棿鐨勭浉浜掍綔鐢ㄣ?nbsp;
鏀硅繘鎮ㄧ殑浠g爜錛屼互浣跨敤杈冨皯鐨勫爢璋冪敤錛氬垎鏋愬叧閿礬寰勫拰鍥哄畾鏁版嵁緇撴瀯銆?/p>
鍦ㄥ疄鐜拌嚜瀹氫箟鐨勫寘瑁呯▼搴忎箣鍓嶄嬌鐢ㄩ噺鍖栧爢璋冪敤鎴愭湰鐨勬柟娉曘?/p>
濡傛灉瀵規ц兘涓嶆弧鎰忥紝璇瘋姹?nbsp;OS 緇勬敼榪涘爢銆傛洿澶氳繖綾昏姹傛剰鍛崇潃瀵規敼榪涘爢鐨勬洿澶氬叧娉ㄣ?/p>
瑕佹眰 C 榪愯鏃剁粍閽堝 OS 鎵鎻愪緵鐨勫爢鍒朵綔灝忓閥鐨勫垎閰嶅寘瑁呯▼搴忋傞殢鐫 OS 鍫嗙殑鏀硅繘錛孋 榪愯鏃跺爢璋冪敤鐨勬垚鏈皢鍑忓皬銆?/p>
鎿嶄綔緋葷粺錛圵indows NT 瀹舵棌錛夋鍦ㄤ笉鏂敼榪涘爢銆傝闅忔椂鍏蟲敞鍜屽埄鐢ㄨ繖浜涙敼榪涖?br>Murali Krishnan 鏄?nbsp;Internet Information Server (IIS) 緇勭殑棣栧腑杞歡璁捐宸ョ▼甯堛備粠 1.0 鐗堟湰寮濮嬩粬灝辮璁?nbsp;IIS錛屽茍鎴愬姛鍙戣浜?nbsp;1.0 鐗堟湰鍒?nbsp;4.0 鐗堟湰銆侻urali 緇勭粐騫墮瀵?nbsp;IIS 鎬ц兘緇勪笁騫?nbsp;(1995-1998), 浠庝竴寮濮嬪氨褰卞搷 IIS 鎬ц兘銆備粬鎷ユ湁濞佹柉搴鋒槦宸?nbsp;Madison 澶у鐨?nbsp;M.S.鍜屽嵃搴?nbsp;Anna 澶у鐨?nbsp;B.S.銆傚伐浣滀箣澶栵紝浠栧枩嬈㈤槄璇匯佹墦鎺掔悆鍜屽搴児楗?br>http://community.csdn.net/Expert/FAQ/FAQ_Index.asp?id=172835
鎴戝湪瀛︿範瀵硅薄鐨勭敓瀛樻柟寮忕殑鏃跺欒鍒頒竴縐嶆槸鍦ㄥ爢鏍?stack)涔嬩腑錛屽涓?nbsp;
CObject object;
榪樻湁涓縐嶆槸鍦ㄥ爢(heap)涓?nbsp; 濡備笅
CObject* pobject=new CObject();
璇烽棶
錛?錛夎繖涓ょ鏂瑰紡鏈変粈涔堝尯鍒紵
錛?錛夊爢鏍堜笌鍫嗘湁浠涔堝尯鍒紵錛?nbsp;
---------------------------------------------------------------
1) about stack, system will allocate memory to the instance of object automatically, and to the
heap, you must allocate memory to the instance of object with new or malloc manually.
2) when function ends, system will automatically free the memory area of stack, but to the
heap, you must free the memory area manually with free or delete, else it will result in memory
leak.
3)鏍堝唴瀛樺垎閰嶈繍綆楀唴緗簬澶勭悊鍣ㄧ殑鎸囦護闆嗕腑錛屾晥鐜囧緢楂橈紝浣嗘槸鍒嗛厤鐨勫唴瀛樺閲忔湁闄愩?nbsp;
4錛夊爢涓婂垎閰嶇殑鍐呭瓨鍙互鏈夋垜浠嚜宸卞喅瀹氾紝浣跨敤闈炲父鐏墊椿銆?nbsp;
---------------------------------------------------------------
]]>
榪欓噷鐨凩RESULT鍦╳indows涓瀹氫箟涓簂ong鍨嬶紝鑰孋ALLBACK鍒欒瀹氫箟鎴愪簡__stacall錛屼粩緇嗙湅浜嗕竴涓嬶紝鍦╓INDEF.H涓繕鍖呭惈濡備笅瀹氫箟錛?br>
#define CALLBACK __stdcall
2
#define WINAPI __stdcall
3
#define WINAPIV __cdecl
4
#define APIENTRY WINAPI
5
#define APIPRIVATE __stdcall
6
#define PASCAL __stdcall
閭d箞錛岃繖閲岀殑__stacall銆乢_cdecl鍒板簳鏄粈涔堟剰鎬濆憿錛屽張鏈変粈涔堜綔鐢ㄥ憿錛熸垜緇忚繃鏌ユ壘鐩稿叧璧勬枡瀵瑰叾鏈変簡浜涜嫻呮樉鐨勪簡瑙o紝榪欓噷涓庡ぇ瀹朵竴璧峰垎浜?br>
鎴戜滑鐭ラ亾錛屽湪C璇█涓亣璁炬垜浠湁榪欐牱涓涓嚱鏁板畾涔夛細
int function_add(int a, int b);
int x = 3, y = 5;
2
int result = function_add(x, y);
鏍堟槸涓縐嶅厛榪涘悗鍑虹殑鏁版嵁緇撴瀯錛屾爤鏈変竴涓瓨鍌ㄥ尯銆佷竴涓爤欏舵寚閽堛傛爤欏舵寚閽堟寚鍚戝爢鏍堜腑絎竴涓彲鐢ㄧ殑鏁版嵁欏?琚О涓烘爤欏?銆傜敤鎴峰彲浠ュ湪鏍堥《鐨勪笂鏂瑰悜鍫嗘爤涓姞鍏ユ暟鎹紝榪欎釜鎿嶄綔琚О涓哄帇鏍?Push)錛屽帇鏍堜互鍚庯紝鏍堥《鑷姩鍙樻垚鏂板姞鍏ユ暟鎹」鐨勪綅緗紝鏍堥《鎸囬拡涔熼殢涔嬩慨鏀廣傜敤鎴蜂篃鍙互浠庡爢鏍堜腑鍙栧嚭鏍堥《鍏冪礌錛岃繖涓搷浣滆縐頒負寮瑰嚭鏍?pop)錛屽脊鍑烘爤浠ュ悗錛屾爤欏剁殑涓嬩竴涓厓绱犲彉鎴愭爤欏訛紝鏍堥《鎸囬拡闅忎箣淇敼銆?br>
鍑芥暟璋冪敤鏃訛紝璋冪敤鑰呬緷嬈℃妸鍙傛暟鍘嬫爤錛岀劧鍚庤皟鐢ㄥ嚱鏁幫紝鍑芥暟琚皟鐢ㄤ互鍚庯紝鍦ㄥ爢鏍堜腑鍙栧嚭鏁版嵁錛屽茍榪涜璁$畻銆傚嚱鏁拌綆楃粨鏉熶互鍚庯紝鎴栬呰皟鐢ㄨ呫佹垨鑰呭嚱鏁版湰韜慨鏀瑰爢鏍堬紝浣垮爢鏍堟仮澶嶅師鐘躲傞棶棰樼殑鍏抽敭灝卞湪榪欓噷錛屽埌搴曞簲璇ュ浣曟竻闄ゆ爤鍛紵
鍑芥暟璋冪敤闇瑕佽繘琛屽弬鏁頒紶閫掞紝鍦ㄥ弬鏁頒紶閫掕繃紼嬩腑鏈変袱涓緢閲嶈鐨勯棶棰樺繀欏誨緱鍒版槑紜鏄庯細
1. 褰撳弬鏁頒釜鏁板浜庝竴涓椂錛屾寜鐓т粈涔堟牱鐨勯『搴忔妸鍙傛暟鍘嬪叆鏍堜腑
2. 鍑芥暟璋冪敤鍚庯紝鐢辮皝鏉ヨ礋璐f妸鍫嗘爤鎭㈠鍘熺姸
鍦ㄩ珮綰ц璦涓紝鍑芥暟璋冪敤綰﹀畾灝辨槸鐢ㄦ潵璇存槑榪欎袱涓棶棰樼殑銆傚父瑙佺殑鍑芥暟璋冪敤綰﹀畾鏈夛細
stdcall
cdecl
fastcall
thiscall
naked call
涓嬮潰涓涓榪涜浠嬬粛銆?br>
涓銆乻tdcall璋冪敤綰﹀畾
stdcall錛屼篃鍙啓浣淿_stdcall錛屽緢澶氭椂鍊欒縐頒負pascal璋冪敤綰﹀畾錛屽洜涓簆ascal鏄棭鏈熷緢甯歌鐨勪竴縐嶆暀瀛︾敤璁$畻鏈虹▼搴忚璁¤璦錛屽叾璇硶涓ヨ皚錛屼嬌鐢ㄧ殑鍑芥暟璋冪敤綰﹀畾灝辨槸stdcall銆傚嚑涔庢垜浠啓鐨勬瘡涓涓猈INDOWS API鍑芥暟閮芥槸__stdcall綾誨瀷鐨勩傚湪Microsoft C++緋誨垪鐨凜/C++緙栬瘧鍣ㄤ腑錛屽父甯哥敤PASCAL瀹忔潵澹版槑榪欎釜璋冪敤綰﹀畾錛岀被浼肩殑瀹忚繕鏈塛INAPI鍜孋ALLBACK(濡傛枃绔犲紑澶村紩鐢ㄧ殑鍦╓INDEF.H澶存枃浠朵腑鐨勫畾涔?銆?br>
stdcall璋冪敤綰﹀畾澹版槑鐨勮娉曚負錛堜互鍓嶉潰鐨刦unction_add鍑芥暟涓轟緥錛夛細
int __stdcall function_add(int a,int b);
stdcall璋冪敤綰﹀畾鎰忓懗鐫錛?br>(1) 鍙傛暟浠庡彸鍚戝乏鍘嬪叆鍫嗘爤
(2) 鍑芥暟鑷韓淇敼鍫嗘爤
(3) 鍑芥暟鍚嶈嚜鍔ㄥ姞鍓嶅鐨勪笅鍒掔嚎錛屽悗闈㈢揣璺熶竴涓狜絎﹀彿錛屽叾鍚庣揣璺熺潃鍙傛暟鐨勫ぇ灝?br>
浠ヤ笂榪拌繖涓嚱鏁頒負渚嬶紝鍙傛暟b棣栧厛琚帇鏍堬紝鐒跺悗鏄弬鏁癮錛屽嚱鏁拌皟鐢╢unction_add(1, 2)璋冪敤澶勭炕璇戞垚姹囩紪璇█灝嗗彉鎴愶細
push 2 // 絎簩涓弬鏁板叆鏍?br> push 1 // 絎竴涓弬鏁板叆鏍?br> call function_add // 璋冪敤鍙傛暟錛屾敞鎰忔鏃惰嚜鍔ㄦ妸cs:eip鍏ユ爤
鑰屽浜庡嚱鏁拌嚜韜紝鍒欏彲緲昏瘧涓猴細
push ebp銆銆銆銆銆銆 // 淇濆瓨ebp瀵勫瓨鍣紝璇ュ瘎瀛樺櫒灝嗙敤鏉ヤ繚瀛樺爢鏍堢殑鏍堥《鎸囬拡錛屽彲浠ュ湪鍑芥暟閫鍑烘椂鎭㈠
mov銆 ebp, esp銆銆銆銆 // 淇濆瓨鍫嗘爤鎸囬拡
mov銆 eax,[ebp + 8H]銆 // 鍫嗘爤涓璭bp鎸囧悜浣嶇疆涔嬪墠渚濇淇濆瓨鏈塭bp, cs:eip, a, b, ebp +8鎸囧悜a
add銆 eax,[ebp + 0CH] // 鍫嗘爤涓璭bp + 12澶勪繚瀛樹簡b
mov銆 esp, ebp銆銆銆銆 // 鎭㈠esp
pop銆 ebp
ret銆 8
鑰屽湪緙栬瘧鏃訛紝榪欎釜鍑芥暟鐨勫悕瀛楄緲昏瘧鎴?a href="mailto:_function@8">_function@8
鐢變簬涓嶅悓鐨勭紪璇戝櫒浜х敓鏍堢殑鏂瑰紡涓嶅敖鐩稿悓錛岃皟鐢ㄨ呭氨涓嶄竴瀹氳兘澶熸甯哥殑瀹屾垚鍫嗘爤鐨勬竻闄ゅ伐浣滐紝浣嗗嚱鏁版湰韜嚜宸卞彲浠ヨВ鍐蟲竻闄ゅ伐浣滐紝鎵浠ワ紝鍦ㄨ法騫沖彴鐨勭▼搴忓紑鍙戜腑鐨勫嚱鏁拌皟鐢紝鎴戜滑閫氬父閮戒嬌鐢╛_stdcall綰﹀畾錛寃indows涓嬬殑緇濆ぇ澶氭暟鍑芥暟涔熼兘鏄痵tdcall璋冪敤銆傛棦鐒跺姝わ紝涓轟粈涔堣繕闇瑕乢_cdecl鍛紵鍒潃鎬ワ紝鎺ョ潃寰涓嬬湅銆?br>
浜屻乧decl璋冪敤綰﹀畾
cdecl錛屼篃鍙啓浣淿_cdecl錛屽張縐頒負C璋冪敤綰﹀畾錛屾槸C/C++璇█鍜孧FC紼嬪簭榛樿緙虹渷鐨勮皟鐢ㄧ害瀹氾紝瀹冪殑瀹氫箟璇硶鏄細
int __cdecl function(int a,int b) //鏄庣‘鎸囧嚭C璋冪敤綰﹀畾
閲囩敤__cdecl綰﹀畾鏃訛紝鍑芥暟鍙傛暟鎸夌収浠庡彸鍒板乏鐨勯『搴忓叆鏍堬紝騫朵笖鐢辮皟鐢ㄥ嚱鏁拌呮妸鍙傛暟寮瑰嚭鏍堜互娓呯悊鍫嗘爤銆傚洜姝わ紝瀹炵幇鍙彉鍙傛暟鐨勫嚱鏁板彧鑳戒嬌鐢ㄨ璋冪敤綰﹀畾銆傜敱浜庤繖縐嶅彉鍖栵紝C璋冪敤綰﹀畾鍏佽鍑芥暟鐨勫弬鏁扮殑涓暟鏄笉鍥哄畾鐨勶紝榪欎篃鏄疌璇█鐨勪竴澶х壒鑹層傚悓鏃訛紝鐢變簬姣忎竴涓嬌鐢╛_cdecl綰﹀畾鐨勫嚱鏁伴兘瑕佸寘鍚竻鐞嗗爢鏍堢殑浠g爜錛屾墍浠ヤ駭鐢熺殑鍙墽琛屾枃浠跺ぇ灝忎細姣旇緝澶с俖_cdecl鍙互鍐欐垚_cdecl銆?
瀵逛簬鍓嶉潰鐨刦unction鍑芥暟錛屼嬌鐢╟decl鍚庣殑姹囩紪鐮佸彉鎴愶細
璋冪敤澶?br>銆銆push 1
銆銆push 2
銆銆call function
銆銆add銆esp, 8銆銆銆銆銆 // 娉ㄦ剰錛氳繖閲岃皟鐢ㄨ呭湪鎭㈠鍫嗘爤
銆銆mov ebp,esp銆銆銆銆 // 淇濆瓨鍫嗘爤鎸囬拡
銆銆mov銆eax,[ebp + 8H]銆 // 鍫嗘爤涓璭bp鎸囧悜浣嶇疆涔嬪墠渚濇淇濆瓨鏈塭bp,cs:eip,a,b,ebp +8鎸囧悜a
銆銆add銆eax,[ebp + 0CH] // 鍫嗘爤涓璭bp + 12澶勪繚瀛樹簡b
銆銆mov銆esp,ebp銆銆銆銆 // 鎭㈠esp
銆銆pop銆ebp
銆銆ret銆銆銆銆銆銆銆銆銆// 娉ㄦ剰錛岃繖閲屾病鏈変慨鏀瑰爢鏍?/p>
涓嶅啓浜嗭紝绱緱鎱岋紝鍛靛懙 杞澆涓ょ瘒鏂囩珷鍚?br>
#define WINAPI __stdcall
#define WINAPIV __cdecl
#define APIENTRY WINAPI
#define APIPRIVATE __stdcall
#define PASCAL __stdcall
#define cdecl _cdecl
#ifndef CDECL
#define CDECL _cdecl
#endif
__cdecl鏄疌/C++鍜孧FC紼嬪簭榛樿浣跨敤鐨勮皟鐢ㄧ害瀹氾紝涔熷彲浠ュ湪鍑芥暟澹版槑鏃跺姞涓奯_cdecl鍏抽敭瀛楁潵鎵嬪伐鎸囧畾銆傞噰鐢╛_cdecl綰﹀畾鏃訛紝鍑芥暟鍙傛暟鎸夌収浠庡彸鍒板乏鐨勯『搴忓叆鏍堬紝騫朵笖鐢辮皟鐢ㄥ嚱鏁拌呮妸鍙傛暟寮瑰嚭鏍堜互娓呯悊鍫嗘爤銆傚洜姝わ紝瀹炵幇鍙彉鍙傛暟鐨勫嚱鏁板彧鑳戒嬌鐢ㄨ璋冪敤綰﹀畾銆傜敱浜庢瘡涓涓嬌鐢╛_cdecl綰﹀畾鐨勫嚱鏁伴兘瑕佸寘鍚竻鐞嗗爢鏍堢殑浠g爜錛屾墍浠ヤ駭鐢熺殑鍙墽琛屾枃浠跺ぇ灝忎細姣旇緝澶с俖_cdecl鍙互鍐欐垚_cdecl銆?
__stdcall璋冪敤綰﹀畾鐢ㄤ簬璋冪敤Win32 API鍑芥暟銆傞噰鐢╛_stdcall綰﹀畾鏃訛紝鍑芥暟鍙傛暟鎸夌収浠庡彸鍒板乏鐨勯『搴忓叆鏍堬紝琚皟鐢ㄧ殑鍑芥暟鍦ㄨ繑鍥炲墠娓呯悊浼犻佸弬鏁扮殑鏍堬紝鍑芥暟鍙傛暟涓暟鍥哄畾銆傜敱浜庡嚱鏁頒綋鏈韓鐭ラ亾浼犺繘鏉ョ殑鍙傛暟涓暟錛屽洜姝よ璋冪敤鐨勫嚱鏁板彲浠ュ湪榪斿洖鍓嶇敤涓鏉et n鎸囦護鐩存帴娓呯悊浼犻掑弬鏁扮殑鍫嗘爤銆俖_stdcall鍙互鍐欐垚_stdcall銆?
__fastcall綰﹀畾鐢ㄤ簬瀵規ц兘瑕佹眰闈炲父楂樼殑鍦哄悎銆俖_fastcall綰﹀畾灝嗗嚱鏁扮殑浠庡乏杈瑰紑濮嬬殑涓や釜澶у皬涓嶅ぇ浜?涓瓧鑺傦紙DWORD錛夌殑鍙傛暟鍒嗗埆鏀懼湪ECX鍜孍DX瀵勫瓨鍣紝鍏朵綑鐨勫弬鏁頒粛鏃ц嚜鍙沖悜宸﹀帇鏍堜紶閫侊紝琚皟鐢ㄧ殑鍑芥暟鍦ㄨ繑鍥炲墠娓呯悊浼犻佸弬鏁扮殑鍫嗘爤銆俖_fastcall鍙互鍐欐垚_fastcall
鍦?2浣嶇殑VC++5.0涓璓ASCAL璋冪敤綰﹀畾涓嶅啀琚敮鎸侊紙瀹為檯涓婂畠宸茶瀹氫箟涓篲_stdcall銆傞櫎浜哶_pascal澶栵紝__fortran鍜宊_syscall涔熶笉琚敮鎸侊級錛屽彇鑰屼唬涔嬬殑鏄痏_stdcall璋冪敤綰﹀畾銆備袱鑰呭疄璐ㄤ笂鏄竴鑷寸殑錛屽嵆鍑芥暟鐨勫弬鏁拌嚜鍙沖悜宸﹂氳繃鏍堜紶閫掞紝琚皟鐢ㄧ殑鍑芥暟鍦ㄨ繑鍥炲墠娓呯悊浼犻佸弬鏁扮殑鍐呭瓨鏍堬紝浣嗕笉鍚岀殑鏄嚱鏁板悕鐨勪慨楗伴儴鍒嗭紙鍏充簬鍑芥暟鍚嶇殑淇グ閮ㄥ垎鍦ㄥ悗闈㈠皢璇︾粏璇存槑錛夈?/p>
1銆佷慨楗板悕(Decoration name)
“C”鎴栬?#8220;C++”鍑芥暟鍦ㄥ唴閮紙緙栬瘧鍜岄摼鎺ワ級閫氳繃淇グ鍚嶈瘑鍒備慨楗板悕鏄紪璇戝櫒鍦ㄧ紪璇戝嚱鏁板畾涔夋垨鑰呭師鍨嬫椂鐢熸垚鐨勫瓧絎︿覆銆傛湁浜涙儏鍐典笅浣跨敤鍑芥暟鐨勪慨楗板悕鏄繀瑕佺殑錛屽鍦ㄦā鍧楀畾涔夋枃浠墮噷澶存寚瀹氳緭鍑?#8220;C++”閲嶈澆鍑芥暟銆佹瀯閫犲嚱鏁般佹瀽鏋勫嚱鏁幫紝鍙堝鍦ㄦ眹緙栦唬鐮侀噷璋冪敤“C””鎴?#8220;C++”鍑芥暟絳夈?
淇グ鍚嶇敱鍑芥暟鍚嶃佺被鍚嶃佽皟鐢ㄧ害瀹氥佽繑鍥炵被鍨嬨佸弬鏁扮瓑鍏卞悓鍐沖畾銆?
2銆佸悕瀛椾慨楗扮害瀹氶殢璋冪敤綰﹀畾鍜岀紪璇戠綾?C鎴朇++)鐨勪笉鍚岃屽彉鍖栥傚嚱鏁板悕淇グ綰﹀畾闅忕紪璇戠綾誨拰璋冪敤綰﹀畾鐨勪笉鍚岃屼笉鍚岋紝涓嬮潰鍒嗗埆璇存槑銆?
a銆丆緙栬瘧鏃跺嚱鏁板悕淇グ綰﹀畾瑙勫垯錛?
__stdcall璋冪敤綰﹀畾鍦ㄨ緭鍑哄嚱鏁板悕鍓嶅姞涓婁竴涓笅鍒掔嚎鍓嶇紑錛屽悗闈㈠姞涓婁竴涓?#8220;@”絎﹀彿鍜屽叾鍙傛暟鐨勫瓧鑺傛暟錛屾牸寮忎負_functionname@number銆?
__cdecl璋冪敤綰﹀畾浠呭湪杈撳嚭鍑芥暟鍚嶅墠鍔犱笂涓涓笅鍒掔嚎鍓嶇紑錛屾牸寮忎負_functionname銆?/p>
瀹冧滑鍧囦笉鏀瑰彉杈撳嚭鍑芥暟鍚嶄腑鐨勫瓧絎﹀ぇ灝忓啓錛岃繖鍜孭ASCAL璋冪敤綰﹀畾涓嶅悓錛孭ASCAL綰﹀畾杈撳嚭鐨勫嚱鏁板悕鏃犱換浣曚慨楗頒笖鍏ㄩ儴澶у啓銆?
b銆丆++緙栬瘧鏃跺嚱鏁板悕淇グ綰﹀畾瑙勫垯錛?
__stdcall璋冪敤綰﹀畾錛?
1銆佷互“?”鏍囪瘑鍑芥暟鍚嶇殑寮濮嬶紝鍚庤窡鍑芥暟鍚嶏紱
2銆佸嚱鏁板悕鍚庨潰浠?#8220;@@YG”鏍囪瘑鍙傛暟琛ㄧ殑寮濮嬶紝鍚庤窡鍙傛暟琛紱
3銆佸弬鏁拌〃浠ヤ唬鍙瘋〃紺猴細
X--void 錛?
D--char錛?
E--unsigned char錛?
F--short錛?
H--int錛?
I--unsigned int錛?
J--long錛?
K--unsigned long錛?
M--float錛?
N--double錛?
_N--bool錛?
....
PA--琛ㄧず鎸囬拡錛屽悗闈㈢殑浠e彿琛ㄦ槑鎸囬拡綾誨瀷錛屽鏋滅浉鍚岀被鍨嬬殑鎸囬拡榪炵畫鍑虹幇錛屼互“0”浠f浛錛屼竴涓?#8220;0”浠h〃涓嬈¢噸澶嶏紱
4銆佸弬鏁拌〃鐨勭涓欏逛負璇ュ嚱鏁扮殑榪斿洖鍊肩被鍨嬶紝鍏跺悗渚濇涓哄弬鏁扮殑鏁版嵁綾誨瀷,鎸囬拡鏍囪瘑鍦ㄥ叾鎵鎸囨暟鎹被鍨嬪墠錛?
5銆佸弬鏁拌〃鍚庝互“@Z”鏍囪瘑鏁翠釜鍚嶅瓧鐨勭粨鏉燂紝濡傛灉璇ュ嚱鏁版棤鍙傛暟錛屽垯浠?#8220;Z”鏍囪瘑緇撴潫銆?
鍏舵牸寮忎負“?functionname@@YG*****@Z”鎴?#8220;?functionname@@YG*XZ”錛屼緥濡?
int Test1錛坈har *var1,unsigned long錛?----“?Test1@@YGHPADK@Z”
void Test2錛堬級 -----“?Test2@@YGXXZ”
__cdecl璋冪敤綰﹀畾錛?
瑙勫垯鍚屼笂闈㈢殑_stdcall璋冪敤綰﹀畾錛屽彧鏄弬鏁拌〃鐨勫紑濮嬫爣璇嗙敱涓婇潰鐨?#8220;@@YG”鍙樹負“@@YA”銆?
__fastcall璋冪敤綰﹀畾錛?
瑙勫垯鍚屼笂闈㈢殑_stdcall璋冪敤綰﹀畾錛屽彧鏄弬鏁拌〃鐨勫紑濮嬫爣璇嗙敱涓婇潰鐨?#8220;@@YG”鍙樹負“@@YI”銆?
VC++瀵瑰嚱鏁扮殑鐪佺己澹版槑鏄?#8220;__cedcl“,灝嗗彧鑳借C/C++璋冪敤.
CB鍦ㄨ緭鍑哄嚱鏁板0鏄庢椂浣跨敤4縐嶄慨楗扮鍙?
//__cdecl
cb鐨勯粯璁ゅ鹼紝瀹冧細鍦ㄨ緭鍑哄嚱鏁板悕鍓嶅姞_錛屽茍淇濈暀姝ゅ嚱鏁板悕涓嶅彉錛屽弬鏁版寜鐓т粠鍙沖埌宸︾殑欏哄簭渚濇浼犻掔粰鏍堬紝涔熷彲浠ュ啓鎴恄cdecl鍜宑decl褰㈠紡銆?
//__fastcall
濂逛慨楗扮殑鍑芥暟鐨勫弬鏁板皢灝借偗鍛㈡劅鍦頒嬌鐢ㄥ瘎瀛樺櫒鏉ュ鐞嗭紝鍏跺嚱鏁板悕鍓嶅姞@錛屽弬鏁版寜鐓т粠宸﹀埌鍙崇殑欏哄簭鍘嬫爤錛?
//__pascal
瀹冭鏄庣殑鍑芥暟鍚嶄嬌鐢≒ascal鏍煎紡鐨勫懡鍚嶇害瀹氥傝繖鏃跺嚱鏁板悕鍏ㄩ儴澶у啓銆傚弬鏁版寜鐓т粠宸﹀埌鍙崇殑欏哄簭鍘嬫爤錛?
//__stdcall
浣跨敤鏍囧噯綰﹀畾鐨勫嚱鏁板悕銆傚嚱鏁板悕涓嶄細鏀瑰彉銆備嬌鐢╛_stdcall淇グ鏃躲傚弬鏁版寜鐓х敱鍙沖埌宸︾殑欏哄簭鍘嬫爤錛屼篃鍙互鏄痏stdcall錛?/p>
璁哄嚱鏁拌皟鐢ㄧ害瀹?/strong>
鍦–璇█涓紝鍋囪鎴戜滑鏈夎繖鏍風殑涓涓嚱鏁幫細
銆銆
銆銆int function(int a,int b)
銆銆
銆銆璋冪敤鏃跺彧瑕佺敤result = function(1,2)榪欐牱鐨勬柟寮忓氨鍙互浣跨敤榪欎釜鍑芥暟銆備絾鏄紝褰撻珮綰ц璦琚紪璇戞垚璁$畻鏈哄彲浠ヨ瘑鍒殑鏈哄櫒鐮佹椂錛屾湁涓涓棶棰樺氨鍑哥幇鍑烘潵錛氬湪CPU涓紝璁$畻鏈烘病鏈夊姙娉曠煡閬撲竴涓嚱鏁拌皟鐢ㄩ渶瑕佸灝戜釜銆佷粈涔堟牱鐨勫弬鏁幫紝涔熸病鏈夌‖浠跺彲浠ヤ繚瀛樿繖浜涘弬鏁般備篃灝辨槸璇達紝璁$畻鏈轟笉鐭ラ亾鎬庝箞緇欒繖涓嚱鏁頒紶閫掑弬鏁幫紝浼犻掑弬鏁扮殑宸ヤ綔蹇呴』鐢卞嚱鏁拌皟鐢ㄨ呭拰鍑芥暟鏈韓鏉ュ崗璋冦備負姝わ紝璁$畻鏈烘彁渚涗簡涓縐嶈縐頒負鏍堢殑鏁版嵁緇撴瀯鏉ユ敮鎸佸弬鏁頒紶閫掋?/p>
銆銆褰撳弬鏁頒釜鏁板浜庝竴涓椂錛屾寜鐓т粈涔堥『搴忔妸鍙傛暟鍘嬪叆鍫嗘爤
銆銆鍑芥暟璋冪敤鍚庯紝鐢辮皝鏉ユ妸鍫嗘爤鎭㈠鍘熻
銆銆鍦ㄩ珮綰ц璦涓紝閫氳繃鍑芥暟璋冪敤綰﹀畾鏉ヨ鏄庤繖涓や釜闂銆傚父瑙佺殑璋冪敤綰﹀畾鏈夛細
銆銆cdecl
銆銆fastcall
銆銆thiscall
銆銆naked call
銆銆stdcall寰堝鏃跺欒縐頒負pascal璋冪敤綰﹀畾錛屽洜涓簆ascal鏄棭鏈熷緢甯歌鐨勪竴縐嶆暀瀛︾敤璁$畻鏈虹▼搴忚璁¤璦錛屽叾璇硶涓ヨ皚錛屼嬌鐢ㄧ殑鍑芥暟璋冪敤綰﹀畾灝辨槸stdcall銆傚湪Microsoft C++緋誨垪鐨凜/C++緙栬瘧鍣ㄤ腑錛屽父甯哥敤PASCAL瀹忔潵澹版槑榪欎釜璋冪敤綰﹀畾錛岀被浼肩殑瀹忚繕鏈塛INAPI鍜孋ALLBACK銆?/p>
銆銆
銆銆int __stdcall function(int a,int b)
銆銆
銆銆stdcall鐨勮皟鐢ㄧ害瀹氭剰鍛崇潃錛?錛夊弬鏁頒粠鍙沖悜宸﹀帇鍏ュ爢鏍堬紝2錛夊嚱鏁拌嚜韜慨鏀瑰爢鏍?3)鍑芥暟鍚嶈嚜鍔ㄥ姞鍓嶅鐨勪笅鍒掔嚎錛屽悗闈㈢揣璺熶竴涓狜絎﹀彿錛屽叾鍚庣揣璺熺潃鍙傛暟鐨勫昂瀵?/p>
銆銆push ebp銆銆銆銆銆銆 淇濆瓨ebp瀵勫瓨鍣紝璇ュ瘎瀛樺櫒灝嗙敤鏉ヤ繚瀛樺爢鏍堢殑鏍堥《鎸囬拡錛屽彲浠ュ湪鍑芥暟閫鍑烘椂鎭㈠
銆銆mov銆ebp, esp銆銆銆銆淇濆瓨鍫嗘爤鎸囬拡
銆銆mov銆eax,[ebp + 8H]銆鍫嗘爤涓璭bp鎸囧悜浣嶇疆涔嬪墠渚濇淇濆瓨鏈塭bp, cs:eip, a, b, ebp +8鎸囧悜a
銆銆add銆eax,[ebp + 0CH] 鍫嗘爤涓璭bp + 12澶勪繚瀛樹簡b
銆銆mov銆esp, ebp銆銆銆銆鎭㈠esp
銆銆pop銆ebp
銆銆ret銆8
銆銆cdecl璋冪敤綰﹀畾
銆銆cdecl璋冪敤綰﹀畾鍙堢О涓篊璋冪敤綰﹀畾錛屾槸C璇█緙虹渷鐨勮皟鐢ㄧ害瀹氾紝瀹冪殑瀹氫箟璇硶鏄細
銆銆int __cdecl function(int a,int b)//鏄庣‘鎸囧嚭C璋冪敤綰﹀畾
銆銆push 2
銆銆call function
銆銆add銆esp, 8銆銆銆銆銆娉ㄦ剰錛氳繖閲岃皟鐢ㄨ呭湪鎭㈠鍫嗘爤
銆銆mov銆ebp,esp銆銆銆銆 淇濆瓨鍫嗘爤鎸囬拡
銆銆mov銆eax,[ebp + 8H]銆鍫嗘爤涓璭bp鎸囧悜浣嶇疆涔嬪墠渚濇淇濆瓨鏈塭bp,cs:eip,a,b,ebp +8鎸囧悜a
銆銆add銆eax,[ebp + 0CH] 鍫嗘爤涓璭bp + 12澶勪繚瀛樹簡b
銆銆mov銆esp,ebp銆銆銆銆 鎭㈠esp
銆銆pop銆ebp
銆銆ret銆銆銆銆銆銆銆銆銆娉ㄦ剰錛岃繖閲屾病鏈変慨鏀瑰爢鏍?/p>
銆銆int sprintf(char* buffer,const char* format,...)
銆銆鐢變簬鎵鏈夌殑涓嶅畾鍙傛暟閮藉彲浠ラ氳繃format紜畾錛屽洜姝や嬌鐢ㄤ笉瀹氫釜鏁扮殑鍙傛暟鏄病鏈夐棶棰樼殑銆?/p>
銆銆fastcall璋冪敤綰﹀畾鍜宻tdcall綾諱技錛屽畠鎰忓懗鐫錛?
銆銆
銆銆鍑芥暟鐨勭涓涓拰絎簩涓狣WORD鍙傛暟錛堟垨鑰呭昂瀵告洿灝忕殑錛夐氳繃ecx鍜宔dx浼犻掞紝鍏朵粬鍙傛暟閫氳繃浠庡彸鍚戝乏鐨勯『搴忓帇鏍?
銆銆琚皟鐢ㄥ嚱鏁版竻鐞嗗爢鏍?
銆銆鍑芥暟鍚嶄慨鏀硅鍒欏悓stdcall
銆銆鍏跺0鏄庤娉曚負錛歩nt fastcall function(int a, int b)
銆銆thiscall鏄敮涓涓涓笉鑳芥槑紜寚鏄庣殑鍑芥暟淇グ錛屽洜涓簍hiscall涓嶆槸鍏抽敭瀛椼傚畠鏄疌++綾繪垚鍛樺嚱鏁扮己鐪佺殑璋冪敤綰﹀畾銆傜敱浜庢垚鍛樺嚱鏁拌皟鐢ㄨ繕鏈変竴涓猼his鎸囬拡錛屽洜姝ゅ繀欏葷壒孌婂鐞嗭紝thiscall鎰忓懗鐫錛?
銆銆濡傛灉鍙傛暟涓暟紜畾錛宼his鎸囬拡閫氳繃ecx浼犻掔粰琚皟鐢ㄨ咃紱濡傛灉鍙傛暟涓暟涓嶇‘瀹氾紝this鎸囬拡鍦ㄦ墍鏈夊弬鏁板帇鏍堝悗琚帇鍏ュ爢鏍堛傚鍙傛暟涓暟涓嶅畾鐨勶紝璋冪敤鑰呮竻鐞嗗爢鏍堬紝鍚﹀垯鍑芥暟鑷繁娓呯悊鍫嗘爤涓轟簡璇存槑榪欎釜璋冪敤綰﹀畾錛屽畾涔夊涓嬬被鍜屼嬌鐢ㄤ唬鐮侊細
銆銆{
銆銆public:
銆銆銆 int function1(int a,int b);
銆銆銆 int function2(int a,...);
銆銆};
銆銆{
銆銆銆 return a+b;
銆銆}
銆銆int A::function2(int a,...)
銆銆{
銆銆銆 va_list ap;
銆銆銆 va_start(ap,a);
銆銆銆 int i;
銆銆銆 int result = 0;
銆銆銆 for(i = 0 ; i < a ; i ++)
銆銆銆 {
銆銆銆銆銆result += va_arg(ap,int);
銆銆銆 }
銆銆銆 return result;
銆銆}
銆銆{
銆銆銆 A a;
銆銆銆 a.function1(1, 2);
銆銆銆 a.function2(3, 1, 2, 3);
銆銆}
銆銆//鍑芥暟function1璋冪敤
銆銆00401C1D銆 push銆銆銆銆2
銆銆00401C1F銆 push銆銆銆銆1
銆銆00401C21銆 lea銆銆銆銆 ecx,[ebp-8]
銆銆00401C24銆 call銆銆銆銆function1銆銆銆銆銆娉ㄦ剰錛岃繖閲宼his娌℃湁琚叆鏍?/p>
銆銆00401C29銆 push銆銆銆銆3
銆銆00401C2B銆 push銆銆銆銆2
銆銆00401C2D銆 push銆銆銆銆1
銆銆00401C2F銆 push銆銆銆銆3
銆銆00401C31銆 lea銆銆銆銆 eax, [ebp-8]銆銆銆 榪欓噷寮曞叆this鎸囬拡
銆銆00401C34銆 push銆銆銆銆eax
銆銆00401C35銆 call銆銆銆銆function2
銆銆00401C3A銆 add銆銆銆銆 esp, 14h
銆銆
銆銆鍙錛屽浜庡弬鏁頒釜鏁板浐瀹氭儏鍐典笅錛屽畠綾諱技浜巗tdcall錛屼笉瀹氭椂鍒欑被浼糲decl
銆銆榪欐槸涓涓緢灝戣鐨勮皟鐢ㄧ害瀹氾紝涓鑸▼搴忚璁¤呭緩璁笉瑕佷嬌鐢ㄣ傜紪璇戝櫒涓嶄細緇欒繖縐嶅嚱鏁板鍔犲垵濮嬪寲鍜屾竻鐞嗕唬鐮侊紝鏇寸壒孌婄殑鏄紝浣犱笉鑳界敤return榪斿洖榪斿洖鍊鹼紝鍙兘鐢ㄦ彃鍏ユ眹緙栬繑鍥炵粨鏋溿傝繖涓鑸敤浜庡疄妯″紡椹卞姩紼嬪簭璁捐錛屽亣璁懼畾涔変竴涓眰鍜岀殑鍔犳硶紼嬪簭錛屽彲浠ュ畾涔変負錛?
銆銆{
銆銆銆 __asm mov eax,a
銆銆銆 __asm add eax,b
銆銆銆 __asm ret
銆銆}
銆銆add eax,[ebp+12]
銆銆ret 8
銆 {
銆銆銆銆__asm mov eax,a
銆銆銆銆__asm add eax,b
銆銆銆銆__asm ret 8銆銆銆銆//娉ㄦ剰鍚庨潰鐨?
銆銆}
銆銆DLL瀵煎叆鍑芥暟鏃跺0鏄庝簡涓嶅悓鐨勫嚱鏁扮害瀹?
銆銆浠ュ悗鑰呬負渚嬶紝鍋囪鎴戜滑鍦╠ll縐嶅0鏄庝簡涓縐嶅嚱鏁頒負錛?
銆銆浣跨敤鏃朵唬鐮佷負錛?
銆銆hLib = LoadLibrary(...);
]]>鐗瑰湴鎷挎潵涓庡ぇ瀹跺垎浜紝甯屾湜鑳界粰鍍忔垜榪欐牱鐨勮彍楦熶滑涓浜涘府鍔╋紝O(∩_∩)O
銆愮涓姝ャ戝垱寤鴻嚜宸辯殑dll
1.鎵撳紑vs2005錛岄夋嫨鑿滃崟銆怓ile-New-Project銆戯紝鍦ㄥ脊鍑哄璇濇涓夋嫨[Visual C++]涓嬬殑[Win32]-[Win32 Console Application]錛岃緭鍏ュ伐紼嬪悕鍚庣‘璁ゃ?/pre>
2.鍦ㄥ脊鍑虹殑瀵硅瘽妗嗕腑閫夋嫨[next]錛屽湪Application Settiongs涓夋嫨Application type涓篋ll錛孉dditional options閫夋嫨Empty project錛岀劧鍚庣偣Finish銆?/pre>
榪欐椂灝卞垱寤轟簡涓涓┖鐨勫彲浠ョ敓鎴恉ll鏂囦歡鐨勫伐紼嬨?/pre>
3.鍦ㄥ伐紼嬩腑娣誨姞涓涓ご鏂囦歡(榪欓噷涓篸ll_test.h)錛屽湪澶存枃浠朵腑鍐欏叆濡備笅鍐呭錛?/pre>
2 #define _DLL-TUTORIAL_H
3
4 #include<iostream>
5
6 #if defined DLL_EXPORT
7 #define DECLDIR _declspec(dllexport)
8 #else
9 #define DECLDIR _declspec(dllimport)
10 #endif
11
12 extern "C"
13 {
14 DECLDIR int Add(int a, int b);
15 DECLDIR void Function(void);
16 }
17
18 #endif榪欓噷瑕佽鏄庣殑鏄細
鍦╒C涓湁涓や釜鏂規硶鏉ュ鍑篸ll涓畾涔夌殑鍑芥暟錛?/pre>
(1) 浣跨敤__declspec,榪欐槸涓涓狹icrosoft瀹氫箟鐨勫叧閿瓧銆?/pre>
(2) 鍒涘緩涓涓ā鏉垮畾涔夋枃浠?Module-Definition File錛屽嵆.DEF)銆?/pre>
絎竴縐嶆柟娉曠◢紼嶆瘮絎簩縐嶆柟娉曠畝鍗曪紝鍦ㄨ繖閲屾垜浠嬌鐢ㄧ殑鏄涓縐嶆柟娉曘?/pre>
__declspec(dllexport)鍑芥暟鐨勪綔鐢ㄦ槸瀵煎嚭鍑芥暟絎﹀彿鍒板湪浣犵殑Dll涓殑涓涓瓨鍌ㄧ被閲屽幓銆?/pre>
褰撲笅闈竴琛岃瀹氫箟鏃舵垜瀹氫箟DECLDIR瀹忔潵榪愯榪欎釜鍑芥暟銆?/pre>
#define DLL_EXPORT
鍦ㄦ鎯呭喌涓嬩綘灝嗗鍑哄嚱鏁癆dd(int a,int b)鍜孎unction().
4.鍒涘緩涓涓簮鏂囦歡(鍚嶅瓧涓篸ll_test.cpp)錛屽唴瀹瑰涓嬶細
2 #define DLL_EXPORT
3 #include "dll_test.h"
4
5 extern "C"
6 {
7 // 瀹氫箟浜嗭紙DLL涓殑錛夋墍鏈夊嚱鏁?/span>
8 DECLDIR int Add( int a, int b )
9 {
10 return( a + b );
11 }
12
13 DECLDIR void Function( void )
14 {
15 std::cout << "DLL Called!" << std::endl;
16 }
17 }
18 銆愮浜屾銆戜嬌鐢ㄥ垱寤哄ソ鐨凞LL
鐜板湪宸茬粡鍒涘緩浜咲LL錛岄偅涔堝浣曞湪涓涓簲鐢ㄧ▼搴忎腑浣跨敤瀹冨憿錛?/pre>
褰揇LL琚敓鎴愬悗錛屽畠鍒涘緩浜嗕竴涓?dll鏂囦歡鍜屼竴涓?lib錛岃繖涓や釜閮芥槸浣跨敤dll鏃墮渶瑕佺敤鍒扮殑銆?/pre>
鍦ㄥ叿浣撲粙緇嶄箣鍓嶅厛鐪嬩竴涓媎ll鐨勯摼鎺ユ柟寮忋?/pre>
(1)闅愬紡榪炴帴
榪欓噷鏈変袱涓柟娉曟潵杞藉叆涓涓狣LL錛屼竴涓柟娉曟槸鍙摼鎺ュ埌.lib鏂囦歡錛屽茍灝?dll鏂囦歡鏀懼埌瑕佷嬌鐢ㄨ繖涓狣LL鐨勯」鐩礬寰勪腑銆?/pre>
鍥犳錛屽垱寤轟竴涓柊鐨勭┖鐨刉in32鎺у埗鍙伴」鐩茍娣誨姞涓涓簮鏂囦歡銆傚皢鎴戜滑鍒涘緩濂界殑DLL鏀懼叆涓庢柊欏圭洰鐩稿悓鐨勭洰褰曚笅銆傚悓鏃舵垜浠繕蹇呴』閾炬帴鍒癲ll_test.lib鏂囦歡銆?/pre>
鍙互鍦ㄩ」鐩睘鎬т腑璁劇疆錛屼篃鍙互鍦ㄦ簮紼嬪簭涓敤涓嬮潰鐨勮鍙ユ潵閾炬帴錛?
#pragma comment(lib, "dll_test.lib")
鏈鍚庯紝鎴戜滑榪樿鍦ㄦ柊鐨剋in32鎺у埗鍙伴」鐩腑鍖呭惈鍓嶉潰鐨刣ll_test.h澶存枃浠躲傚彲浠ユ妸榪欎釜澶存枃浠舵斁鍒版柊寤簑in32鎺у埗鍙伴」鐩殑鐩綍涓劧鍚庡湪紼嬪簭涓姞鍏ヨ鍙ワ細
#include "dll_test.h"
鏂伴」鐩唬鐮佸涓嬶細
#include<iostream>
#include "DLLTutorial.h"
int main()
{
Function();
std::cout<< Add(32, 56)<< endl;
return 0;
}
(2)鏄劇ず閾炬帴
紼嶅井澶嶆潅涓鐐圭殑鍔犺澆DLL鐨勬柟娉曢渶瑕佺敤鍒板嚱鏁版寚閽堝拰涓浜沇indows鍑芥暟銆備絾鏄紝閫氳繃榪欑杞藉叆DLL鐨勬柟娉曪紝涓嶉渶瑕丏LL鐨?lib鏂囦歡鎴栧ご鏂囦歡錛岃屽彧闇瑕丏LL鍗沖彲銆?/pre>
涓嬮潰鍒楀嚭涓浜涗唬鐮侊細
/****************************************************************/
#include <iostream>
#include <windows.h>
typedef int (*AddFunc)(int,int);
typedef void (*FunctionFunc)();
int main()
{
AddFunc _AddFunc;
FunctionFunc _FunctionFunc;
HINSTANCE hInstLibrary = LoadLibrary("DLL_Tutorial.dll");
if (hInstLibrary == NULL)
{
FreeLibrary(hInstLibrary);
}
_AddFunc = (AddFunc)GetProcAddress(hInstLibrary, "Add");
_FunctionFunc = (FunctionFunc)GetProcAddress(hInstLibrary, "Function");
if ((_AddFunc == NULL) || (_FunctionFunc == NULL))
{
FreeLibrary(hInstLibrary);
}
std::cout << _AddFunc(23, 43) << std::endl;
_FunctionFunc();
std::cin.get();
FreeLibrary(hInstLibrary);
return(1);
}
/*******************************************************************/
棣栧厛鍙互鐪嬪埌錛岃繖閲屽寘鎷繘浜唚indows.h澶存枃浠訛紝鍚屾椂鍘繪帀浜嗗dll_test.h澶存枃浠剁殑鍖呭惈銆傚師鍥犲緢綆鍗曪細鍥犱負windows.h鍖呭惈浜嗕竴浜沇indows鍑芥暟錛?/pre>
瀹冧篃鍖呭惈浜嗕竴浜涘皢浼氱敤鍒扮殑Windows鐗瑰畾鍙橀噺銆傚彲浠ュ幓鎺塂LL鐨勫ご鏂囦歡錛屽洜涓哄綋浣跨敤榪欎釜鏂規硶杞藉叆DLL鏃跺茍涓嶉渶瑕佸叾澶存枃浠躲?/pre>
涓嬮潰浣犱細鐪嬪埌錛氫互涓嬮潰褰㈠紡鐨勪竴灝忓潡鍙ょ伒綺炬殑浠g爜:
typedef int (*AddFunc)(int,int);
typedef void (*FunctionFunc)();
榪欐槸鍑芥暟鎸囬拡銆傚洜涓鴻繖鏄竴涓叧浜嶥LL鐨勮嚜瀛︽寚鍗楋紝娣卞叆鎺㈢┒鍑芥暟鎸囬拡瓚呭嚭浜嗘湰鎸囧崡鐨勮寖鍥達紱鍥犳錛岀幇鍦ㄦ垜浠彧鎶婂畠浠綋浣淒LL鍖呭惈鐨勫嚱鏁扮殑鍒悕銆?/pre>
鎴戝枩嬈㈠湪灝鵑儴鐢?#8220;Func”鍛藉悕涔嬨?int,int)閮ㄥ垎鏄繖涓嚱鏁扮殑鍙傛暟閮ㄥ垎錛屾瘮濡傦紝Add鍑芥暟瑕佽幏寰椾袱涓暣鏁幫紱鍥犳錛屼綘闇瑕佸畠浠?/pre>
錛堣瘧娉細鎸?int,int)閮ㄥ垎錛変綔涓哄嚱鏁版寚閽堢殑鍙傛暟銆侳unction鍑芥暟娌℃湁鍙傛暟錛屽洜姝や綘璁╁畠涓虹┖銆俶ain()閮ㄥ垎涓殑鍓嶉潰涓よ鏄0鏄庡嚱鏁版寚閽堜互浣垮緱浣犲彲
浠ヨ涓哄畠浠瓑鍚屼簬DLL鍐呴儴鐨勫嚱鏁般傛垜鍙槸鍠滄棰勫厛瀹氫箟瀹冧滑銆?/pre>
涓涓狧INSTANCE鏄竴涓猈indows鏁版嵁綾誨瀷錛氭槸涓涓疄渚嬬殑鍙ユ焺錛涘湪姝ゆ儏鍐典笅錛岃繖涓疄渚嬪皢鏄繖涓狣LL銆備綘鍙互閫氳繃浣跨敤鍑芥暟LoadLibrary()鑾峰緱DLL鐨?/pre>
瀹炰緥錛屽畠鑾峰緱涓涓悕縐頒綔涓哄弬鏁般?/pre>
鍦ㄨ皟鐢↙oadLibrary鍑芥暟鍚庯紝浣犲繀闇鏌ョ湅涓涓嬪嚱鏁拌繑鍥炴槸鍚︽垚鍔熴備綘鍙互閫氳繃媯鏌INSTANCE鏄惁絳変簬NULL錛堝湪Windows.h涓畾涔変負0鎴朩indows.h鍖?/pre>
鍚殑涓涓ご鏂囦歡錛夋潵鏌ョ湅鍏舵槸鍚︽垚鍔熴傚鏋滃叾絳変簬NULL錛岃鍙ユ焺灝嗘槸鏃犳晥鐨勶紝騫朵笖浣犲繀闇閲婃斁榪欎釜搴撱傛崲鍙ヨ瘽璇達紝浣犲繀闇閲婃斁DLL鑾峰緱鐨勫唴瀛樸?/pre>
濡傛灉鍑芥暟榪斿洖鎴愬姛錛屼綘鐨凥INSTANCE灝卞寘鍚簡鎸囧悜DLL鐨勫彞鏌勩備竴鏃︿綘鑾峰緱浜嗘寚鍚慏LL鐨勫彞鏌勶紝浣犵幇鍦ㄥ彲浠ヤ粠DLL涓噸鏂拌幏寰楀嚱鏁般?/pre>
涓轟簡榪欐牱浣滐紝浣犲繀欏諱嬌鐢ㄥ嚱鏁癎etProcAddress()錛屽畠灝咲LL鐨勫彞鏌勶紙浣犲彲浠ヤ嬌鐢℉INSTANCE錛夊拰鍑芥暟鐨勫悕縐頒綔涓哄弬鏁般備綘鍙互璁╁嚱鏁版寚閽堣幏寰楃敱
GetProcAddress()榪斿洖鐨勫鹼紝鍚屾椂浣犲繀闇灝咷etProcAddress()杞崲涓洪偅涓嚱鏁板畾涔夌殑鍑芥暟鎸囬拡銆備婦涓緥瀛愶紝瀵逛簬Add()鍑芥暟錛屼綘蹇呴渶灝咷etProcAddress()
杞崲涓篈ddFunc錛涜繖灝辨槸瀹冪煡閬撳弬鏁板強榪斿洖鍊肩殑鍘熷洜銆傜幇鍦紝鏈濂藉厛紜畾鍑芥暟鎸囬拡鏄惁絳変簬NULL浠ュ強瀹冧滑鎷ユ湁DLL鐨勫嚱鏁般?/pre>
榪欏彧鏄竴涓畝鍗曠殑if璇彞錛涘鏋滃叾涓竴涓瓑浜嶯ULL錛屼綘蹇呴渶濡傚墠鎵榪伴噴鏀懼簱銆備竴鏃﹀嚱鏁版寚閽堟嫢鏈塂LL鐨勫嚱鏁幫紝浣犵幇鍦ㄥ氨鍙互浣跨敤瀹冧滑浜嗭紝浣嗘槸榪欓噷鏈変竴涓?/pre>
闇瑕佹敞鎰忕殑鍦版柟錛氫綘涓嶈兘浣跨敤鍑芥暟鐨勫疄闄呭悕縐幫紱浣犲繀闇浣跨敤鍑芥暟鎸囬拡鏉ヨ皟鐢ㄥ畠浠傚湪閭d互鍚庯紝鎵鏈変綘闇瑕佸仛鐨勬槸閲婃斁搴撳姝よ屽凡銆?/pre>
鐜板湪浣犵煡閬撲簡DLL鐨勪竴浜涘熀鏈煡璇嗐備綘鐭ラ亾濡備綍鍒涘緩瀹冧滑錛屼綘涔熺煡閬撳浣曠敤涓ょ涓嶅悓鐨勬柟娉曢摼鎺ュ畠浠傝繖閲屼粛鐒舵湁鏇村鐨勪笢瑗塊渶瑕佹垜浠涔狅紝浣嗘垜鎶婂畠浠暀緇欎綘浠嚜宸辨帰绱簡鍜屾洿媯掔殑浣滆呮潵鍐欎簡銆?
]]>