棧在內存中到底是如何表現的呢？我們來做一個實例調試一下。

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代碼如下：

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#include <stdio.h>

void main()
{
?_asm
?{
??push 0x12345678
??push 0x11112222?
??pop eax
??pop ebx
?}
}

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按F9下一個斷點，然后按F5進行調試。反匯編窗口如下

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5:??????? _asm
6:??????? {
7:??????????? push 0x12345678
00401028?? push??????? 12345678h
8:??????????? push 0x11112222
0040102D?? push??????? 11112222h
9:??????????? pop eax
00401032?? pop???????? eax
10:?????????? pop ebx
00401033?? pop???????? ebx
11:?????? }

寄存器窗口如下：

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EAX = CCCCCCCC EBX = 7FFDF000 ECX = 00000000 EDX = 00191030 ESI = 00000000

EDI = 0012FF48 EIP = 00401028 ESP = 0012FEFC EBP = 0012FF48 EFL = 00000202

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EBP的地址是0012FF48，ESP的地址是0012FEFC，通過這兩個值就可以找到棧

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0012FEE4? 00 00 00 00 02 00 00 00 30 2F? ........0/

0012FEEE? 42 00 83 00 00 00 E0 06 19 00? B.........
0012FEF8? 1C FF 12 00 00 00 00 00 00 00? ..........
0012FF02? 00 00 00 F0 FD 7F CC CC CC CC? ...瘕.燙燙
0012FF0C? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF16? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF20? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF2A? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF34? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF3E? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF48? 88 FF 12 00 89 11 40 00 01 00? ......@...
0012FF52? 00 00 B8 0F 19 00 30 10 19 00? ......0...

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然后按F11單步執行，這時發現

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EAX = CCCCCCCC EBX = 7FFDF000 ECX = 00000000 EDX = 00191030 ESI = 00000000 EDI = 0012FF48 EIP = 0040102D ESP = 0012FEF8 EBP = 0012FF48 EFL = 00000202

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0012FEE4? 00 00 00 00 02 00 00 00 30 2F? ........0/
0012FEEE? 42 00 83 00 00 00 E0 06 19 00? B.........
0012FEF8? 78 56 34 12 00 00 00 00 00 00? xV4.......
0012FF02? 00 00 00 F0 FD 7F CC CC CC CC? ...瘕.燙燙
0012FF0C? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF16? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF20? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF2A? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF34? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF3E? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF48? 88 FF 12 00 89 11 40 00 01 00? ......@...
0012FF52? 00 00 B8 0F 19 00 30 10 19 00? ......0...
0012FF5C? 00 00 00 00 00 00 00 00 00 F0? ..........

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然后再單步

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?EAX = CCCCCCCC EBX = 7FFDF000 ECX = 00000000 EDX = 00191030 ESI = 00000000 EDI = 0012FF48 EIP = 00401032 ESP = 0012FEF4 EBP = 0012FF48 EFL = 00000202

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0012FEE4? 00 00 00 00 02 00 00 00 30 2F? ........0/
0012FEEE? 42 00 83 00 00 00 22 22 11 11? B.....""..
0012FEF8? 78 56 34 12 00 00 00 00 00 00? xV4.......
0012FF02? 00 00 00 F0 FD 7F CC CC CC CC? ...瘕.燙燙
0012FF0C? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF16? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF20? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF2A? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF34? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF3E? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF48? 88 FF 12 00 89 11 40 00 01 00? ......@...
0012FF52? 00 00 B8 0F 19 00 30 10 19 00? ......0...

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然后再單步

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?EAX = 11112222 EBX = 7FFDF000 ECX = 00000000 EDX = 00191030 ESI = 00000000 EDI = 0012FF48 EIP = 00401033 ESP = 0012FEF8 EBP = 0012FF48 EFL = 00000202

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0012FEE4? 00 00 00 00 02 00 00 00 30 2F? ........0/
0012FEEE? 42 00 83 00 00 00 22 22 11 11? B.....""..
0012FEF8? 78 56 34 12 00 00 00 00 00 00? xV4.......
0012FF02? 00 00 00 F0 FD 7F CC CC CC CC? ...瘕.燙燙
0012FF0C? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF16? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF20? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF2A? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF34? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF3E? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF48? 88 FF 12 00 89 11 40 00 01 00? ......@...
0012FF52? 00 00 B8 0F 19 00 30 10 19 00? ......0...

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然后再單步

?EAX = 11112222 EBX = 12345678 ECX = 00000000 EDX = 00191030 ESI = 00000000 EDI = 0012FF48 EIP = 00401034 ESP = 0012FEFC EBP = 0012FF48 EFL = 00000202

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0012FEE4? 00 00 00 00 02 00 00 00 30 2F? ........0/
0012FEEE? 42 00 83 00 00 00 22 22 11 11? B.....""..
0012FEF8? 78 56 34 12 00 00 00 00 00 00? xV4.......
0012FF02? 00 00 00 F0 FD 7F CC CC CC CC? ...瘕.燙燙
0012FF0C? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF16? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF20? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF2A? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF34? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF3E? CC CC CC CC CC CC CC CC CC CC? 燙燙燙燙燙
0012FF48? 88 FF 12 00 89 11 40 00 01 00? ......@...
0012FF52? 00 00 B8 0F 19 00 30 10 19 00? ......0...

? 與50位技術專家面對面20年技術見證，附贈技術全景圖

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