RockOS/programs/origin.S

.code32 

.section .text 
.global _start
_start: 
    mov $1, %eax
    mov $(message), %ebx
    mov $0, %ecx
    mov $0, %edx
    int $0x80
loop: 
    jmp loop

.section .data
message:
    .asciz "Hello, Userland!\n";