Slide 1

FunctionParameters!main:

push ebp ; establishing stack frame

mov ebp,esp ;

sub esp,0xd8 ; creating stack frame for locals

push ebx ; saving registers that might be used

push esi ; outside

push edi ;

lea edi,[ebp-0xd8] ; getting lowest address of stack frame

•mov ecx,0x36 ; filling stack frame with 0xCC

mov eax,0xcccccccc ;

rep stosd ;

push 0x427034 ; address of “Enter a and b: “ string

call FunctionParameters!ILT+1285(_printf) (0041150a)

add esp,0x4 ; adjust stack pointer (1 parameter)

lea eax,[ebp-0x14] ; address of b

push eax ;

lea ecx,[ebp-0x8] ; address of a

push ecx ;

push 0x42702c ; address of "%d %d“ string

call FunctionParameters!ILT+990(_scanf) (004113e3)

add esp,0xc ; adjust stack pointer (3 parameters,

… ; 3*4 = 12 bytes, 0xc in hexadecimal)