_cdecl与_stdcall区别

_cdecl与_stdcall是最常用的的两种函数调用修饰，区别在于函数返回时，清理栈(恢复栈平衡)是caller做还是被调函数做。

 :    _cdecl int add1(int a, int b)
 :    {
    push        ebp
    mov         ebp,esp
    sub         esp,40h
    push        ebx
    push        esi
    push        edi
    lea         edi,[ebp-40h]
 0040102C   mov         ecx,10h
    mov         eax,0CCCCCCCCh
    rep stos    dword ptr [edi]
 :        return a+b;
    mov         eax,dword ptr [ebp+]
 0040103B   add         eax,dword ptr [ebp+0Ch]
 :    }
 0040103E   pop         edi
 0040103F   pop         esi
    pop         ebx
    mov         esp,ebp
    pop 　　　　 ebp
 00401044   ret

 :    _stdcall int add2(int a, int b)
 :   {
    push        ebp
    mov         ebp,esp
    sub         esp,40h
    push        ebx
    push        esi
    push        edi
    lea         edi,[ebp-40h]
 0040106C   mov         ecx,10h
    mov         eax,0CCCCCCCCh
    rep stos    dword ptr [edi]
 :       return a+b;
    mov         eax,dword ptr [ebp+]
 0040107B   add         eax,dword ptr [ebp+0Ch]
 :   }
 0040107E   pop         edi
 0040107F   pop         esi
    pop         ebx
    mov         esp,ebp
    pop         ebp
45 00401084   ret         8