.text
.globl _start

_start:
	pop %r9
	pop %r9

	mov $2, %rax
	pop %rdi
	mov $0, %rsi
	syscall

	mov %rax, %rdi
	mov $0, %rax
	mov $buf, %rsi
	mov $buflen, %rdx
	syscall

	mov $0, %r9
	mov %rax, %r11
	pop %r14
loop:
	mov %r9, %r10
	add $buf, %r10
	mov %r9, %r12
	add $buf2, %r12
	xor %r14, %r10
	mov %r10, (%r12)
	inc %r9
	cmp %r9, %r11
	jne loop

	mov %rax, %rdx
	mov $1, %rax
	mov $1, %rdi
	mov $buf2, %rsi
	syscall

	jmp _exit

_exit:
	mov $60, %rax
	mov $0, %rdi
	syscall

.data
	file: .fill 128, 1, 0
	size = . - file
	buf: .fill 1000, 1, 0
	buflen = . - buf
	buf2 : .fill 1000, 1, 0
	buf2len = . - buf2