Reverse Engineering for Beginners

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CHAPTER 51. C++ CHAPTER 51. C++


mov [esp], ebx
call _Z14dump_List_nodeP9List_node ; dump_List_node(List_node *)
mov dword ptr [esp], offset aLetSCountFromT ; "* let's count from the begin:"
call puts
mov esi, [esp+10h]
mov eax, [esi+0Ch]
mov [esp+0Ch], eax
mov eax, [esi+8]
mov dword ptr [esp+4], offset a1stElementDD ; "1st element: %d %d\n"
mov dword ptr [esp], 1
mov [esp+8], eax
call __printf_chk
mov esi, [esi] ; operator++: get ->next pointer
mov eax, [esi+0Ch]
mov [esp+0Ch], eax
mov eax, [esi+8]
mov dword ptr [esp+4], offset a2ndElementDD ; "2nd element: %d %d\n"
mov dword ptr [esp], 1
mov [esp+8], eax
call __printf_chk
mov esi, [esi] ; operator++: get ->next pointer
mov eax, [esi+0Ch]
mov [esp+0Ch], eax
mov eax, [esi+8]
mov dword ptr [esp+4], offset a3rdElementDD ; "3rd element: %d %d\n"
mov dword ptr [esp], 1
mov [esp+8], eax
call __printf_chk
mov eax, [esi] ; operator++: get ->next pointer
mov edx, [eax+0Ch]
mov [esp+0Ch], edx
mov eax, [eax+8]
mov dword ptr [esp+4], offset aElementAt_endD ; "element at .end(): %d %d\n"
mov dword ptr [esp], 1
mov [esp+8], eax
call __printf_chk
mov dword ptr [esp], offset aLetSCountFro_0 ; "* let's count from the end:"
call puts
mov eax, [esp+1Ch]
mov dword ptr [esp+4], offset aElementAt_endD ; "element at .end(): %d %d\n"
mov dword ptr [esp], 1
mov [esp+0Ch], eax
mov eax, [esp+18h]
mov [esp+8], eax
call __printf_chk
mov esi, [esp+14h]
mov eax, [esi+0Ch]
mov [esp+0Ch], eax
mov eax, [esi+8]
mov dword ptr [esp+4], offset a3rdElementDD ; "3rd element: %d %d\n"
mov dword ptr [esp], 1
mov [esp+8], eax
call __printf_chk
mov esi, [esi+4] ; operator--: get ->prev pointer
mov eax, [esi+0Ch]
mov [esp+0Ch], eax
mov eax, [esi+8]
mov dword ptr [esp+4], offset a2ndElementDD ; "2nd element: %d %d\n"
mov dword ptr [esp], 1
mov [esp+8], eax
call __printf_chk
mov eax, [esi+4] ; operator--: get ->prev pointer
mov edx, [eax+0Ch]
mov [esp+0Ch], edx
mov eax, [eax+8]
mov dword ptr [esp+4], offset a1stElementDD ; "1st element: %d %d\n"
mov dword ptr [esp], 1
mov [esp+8], eax
call __printf_chk
mov dword ptr [esp], offset aRemovingLastEl ; "removing last element..."
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