assembly panggil libc

cara assembly  panggil libc:  [printf]

; cara nak kompil

;    nasm -f elf -g -F stabs a-eatclib.asm
;    gcc a-eatclib.o -o a-eatclib -m32


EatMsg: db "Saya makan Nasi 0x%x pinggan/n",0
EatMsg2: db "Saya makan Nasi 0x%x pinggan/n",10, 0  ; yg ni baru ada new line
extern printf
global main ; Required so linker can find entry point

main:
push ebp ; Set up stack frame for debugger
mov ebp,esp
push ebx ; Program must preserve ebp, ebx, esi, & edi
push esi
push edi
;;; Everything before this is boilerplate; use it for all ordinary apps!

push esp
push EatMsg
call printf
add esp, 4

;;; Everything after this is boilerplate; use it for all ordinary apps!
pop edi ; Restore saved registers
pop esi
pop ebx
mov esp,ebp ; Destroy stack frame before returning
pop ebp
ret ; Return control to Linux