# Opening a file and printing it out
# C style
.section .data
filename:
	.asciz "open_file.s"
.section .text
.global main
main:
	mov $5, %rax
	mov $filename, %rbx
	mov $0, %rcx # O_RDONLY is 0
	int $0x80 # Open the file

	# Now we'll have a file descriptor in %rax
	push %rax

	# Let's get some memory
	mov $1024, %rdi
	call malloc
	# Our memory address is in rax

	mov (%rsp), %rbx
	push %rax # Our memory address
	mov %rax, %rcx
	mov $3, %rax
	mov $1024, %rdx
	int $0x80

	mov %rax, %rdx
	mov $4, %rax
	mov $1, %rbx
	mov (%rsp), %rcx # More direct than pop followed by push
	int $0x80

	pop %rdi
	call free

	mov $6, %rax
	pop %rbx
	int $0x80

	ret