complex program

demo.asm

section .data
	msg db "hello world", 0x0

section .text
extern gtk_init
extern gtk_widget_show_all
extern gtk_window_new
extern gtk_window_resize
extern gtk_container_add
extern gtk_label_new
extern gtk_main

global main
main:
	mov rdi, 0
	mov rsi, 0
	call gtk_init

	mov rdi, 0
	call gtk_window_new

	mov [rsp], rax ; push the GtkWindow*
	
	mov rdi, [rsp]
	mov rsi, 300
	mov rdx, 100
	call gtk_window_resize

	mov rdi, msg
	call gtk_label_new
	
	mov rdi, [rsp] ; the GtkWindow*
	mov rsi, rax ; the GtkLabel*
	call gtk_container_add
	
	pop rdi ; the GtkWindow*
	call gtk_widget_show_all
	
	call gtk_main

	jmp exit

exit:
	mov rax, 60
	mov rdi, 0
	syscall