C + + Disassembly instance (1)-Output multiple lines

111

1 //Program Description: Output multi-line content, the content is as follows2 /*3    *4   ***5  *****6 *******7  *****8   ***9    *Ten */ One#include <iostream> A using namespacestd; - intMain () - { thecout <<"   *"<<Endl; -cout <<"  ***"<<Endl; -cout <<" *****"<<Endl; -cout <<"*******"<<Endl; +cout <<" *****"<<Endl; -cout <<"  ***"<<Endl; +cout <<"   *"<<Endl; ASystem"Pause"); at     return 0; -}

Debug version of Disassembly code

intMain () {00f55e70 push ebp //Enter function after first thing, save stack bottom pointer ebp, Exit function when restore stack bottom 00f55e71 mov ebp,esp //adjust stack bottom finger Pin to stack top 00f55e73 sub esp,0c0h //For local variable request space 00f55e79 push ebx 00f55e7a push esi 00f55e7 B push EDI //Register press stack, save site 00f55e7c Lea EDI,[EBP-0c0h] //will place the initial address (offset) of the space requested for the local variable into EDI 00f55e82 mov ecx,30h //Set Rep stos cycle times 00f55e87 mov EAX,0CCCCCCCCH //debug, for debugging convenience, local variables are initialized to OCCCCCCCCH. 00f55e8c Rep stos dword ptr Es:[edi] //With the value of eax initialized to Es:[edi] points to the address, in DWORD (4 bytes), the number of cycles is ECX value. cout<<"   *"<<endl;00f55e8e mov esi,esp 00f55e90 push 0f513deh 00f55e95 push 0f5cc70h 00f55e9a mov Eax,dword PTR ds:[00f6009ch] 00f55e9f push eax 00f55ea0 call std::operator<<<std::char_traits<Char> >(0f512a8h) //Call the member function of the cout object operator<< (overloaded operator <<). 00f55ea5 add ESP,800F55EA8 mov ecx,eax 00F55EAA call dword ptr ds:[0f60090h] 00f55eb0 cmp esi,esp 00F55EB 2 Call __rtc_checkesp (0F5132FH) //debug a function that detects stack balance and uses it when all functions exit. cout<<"  ***"<<Endl;...............................................................................................system ("Pause"); 00F55FAD mov esi,esp 00F55FAF push 0f5cc94h 00f55fb4 call DWORD ptr ds:[0f601d0h] 00f55f BA add ESP,400F55FBD cmp esi,esp 00F55FBF call __RTC_CHECKESP (0F5132FH)return 0; 00f55fc4 xor eax,eax}00f55fc6 pop edi 00f55fc7 pop esi 00f55fc8 pop ebx  Recovery site. 00f55fc9 Add esp,0c0h // the function calling convention for C/s + + is _cdecl called by default, and the balance stack is placed by the call. 

Restore the stack bottom pointer

Release release disassembly code

C + + Disassembly instance (1)-Output multiple lines