IpV6 - socket connect - assembly 64bits

connect.sh

$ cat > connect.asm << EOF 
SECTION .text

global _start

_start:

	xor rax, rax	; init 0
	xor rdx, rdx	; init 0
	xor rsi, rsi	; init 0
	xor rdi, rdi	; init 0

_socket:
	mov rdi, 0x0A	; family AF_INET6
	mov rsi, 0x01	; type SOCK_STREAM
	mov rdx, 0x06	; protocol TCP
	mov rax, 0x29	; create socket
	syscall
	mov rdi, rax	; save the file descriptor (the socket) in rdi

_connect:
	xor rax, rax	; reset rax
	push rax	; push the scope ID (0)
	push dword 0x01	; start to push the localhost address ::1
	push rax	; pushing
	push rax	; pushing
	push rax	; pushing
	push rax	; push the flow control (0)
	push word 0x32	; port 12800
	push word 0x0A	; family AF_INET6

	mov rsi, rsp	; move address of stack pointer into ecx
	mov rdx, 0x1c	; get the length of the address: family - port - ip
	mov rax, 42	; syscall for connect
	syscall

_exit:
	xor rax, rax	; reset rax
	mov rbx, rax	; store 0 in rbx
	mov rax, 60	; call exit
	syscall
EOF
$ nasm -f elf64 connect.asm
$ ld -o ./connect ./connect.o