Reverse Engineering for Beginners

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

lea eax, [esp+10h]

mov [esp+4], eax

lea eax, [esp+14h]

mov [esp], eax

call _ZNSt6vectorIiSaIiEE9push_backERKi ; std::vector<int,std::allocator<int>>::push_back(⤦

Çint const&)

lea eax, [esp+14h]

mov [esp], eax

call _Z4dumpP14vector_of_ints ; dump(vector_of_ints *)

mov ebx, [esp+14h]

mov eax, [esp+1Ch]

sub eax, ebx

cmp eax, 17h

ja short loc_80001CF

mov edi, [esp+18h]

sub edi, ebx

sar edi, 2

mov dword ptr [esp], 18h

call _Znwj ; operator new(uint)

mov esi, eax

test edi, edi

jz short loc_80001AD

lea eax, ds:0[edi*4]

mov [esp+8], eax ; n

mov [esp+4], ebx ; src

mov [esp], esi ; dest

call memmove

loc_80001AD: ; CODE XREF: main+F8
mov eax, [esp+14h]
test eax, eax
jz short loc_80001BD
mov [esp], eax ; void
call _ZdlPv ; operator delete(void )

loc_80001BD: ; CODE XREF: main+117
mov [esp+14h], esi
lea eax, [esi+edi*4]
mov [esp+18h], eax
add esi, 18h
mov [esp+1Ch], esi

loc_80001CF: ; CODE XREF: main+DD
lea eax, [esp+14h]
mov [esp], eax
call _Z4dumpP14vector_of_ints ; dump(vector_of_ints )
mov dword ptr [esp+10h], 5
lea eax, [esp+10h]
mov [esp+4], eax
lea eax, [esp+14h]
mov [esp], eax
call _ZNSt6vectorIiSaIiEE9push_backERKi ; std::vector<int,std::allocator>::push_back(⤦
Çint const&)
lea eax, [esp+14h]
mov [esp], eax
call _Z4dumpP14vector_of_ints ; dump(vector_of_ints )
mov dword ptr [esp+10h], 6
lea eax, [esp+10h]
mov [esp+4], eax
lea eax, [esp+14h]
mov [esp], eax
call _ZNSt6vectorIiSaIiEE9push_backERKi ; std::vector<int,std::allocator>::push_back(⤦
Çint const&)
lea eax, [esp+14h]
mov [esp], eax
call _Z4dumpP14vector_of_ints ; dump(vector_of_ints *)
mov eax, [esp+14h]
mov edx, [esp+18h]
sub edx, eax
cmp edx, 17h