Page 32 - Prosedur
P. 32
Passing Pointer
Stack pada waktu call
Memanggil s_helper dari sfact
8 x
leal -4(%ebp),%eax # Compute &val 4 Rtn adr
pushl %eax # Push on stack 0 Old %ebp %ebp
pushl %edx # Push x
call s_helper # call -4 val =x!
movl -4(%ebp),%eax # Return val -8
• • • # Finish
-
12 Unused
int sfact(int x) -
{ 16
int val = 1; s_helper(x,
&val); return val; &val
} x %esp