c-to-asm

How to run

python3 c2asm.py helloworld.c
nasm -f elf helloworld.s
ld -melf_i386 helloworld.o -o helloworld
chmod +x helloworld
./helloworld

Then

int main(  ) {
    printf("Hello world");
    return 0;
}

section .text
global _start


printf:
    push ebp
    mov ebp, esp
    mov eax, 4
    mov ebx,1
    mov ecx, [ebp+8]
    mov edx, 13
    int 0x80 ; write(1, string1, strlen(string1))
    leave
    ret


main:
    push ebp
    mov ebp, esp
    push string1
    call printf ; printf("Hello world")
    add esp, 4
    mov eax, 0 ; return 0
    leave
    ret

_start:
    call main
    mov ebx, eax
    mov eax, 1
    int 0x80 ; exit(main())

section .data
string1	db	"Hello world"