#	;; arch.s

#	retrieve the architecture from uname(2)
#	

#include <asm/unistd_64.h>
	

	.file	"arch.s"

	.data
_eoln:
	.string "\n"
utsname:
sysname:	
	.space 65,0
nodename:
	.space 65,0
release:	
	.space 65,0
version:
	.space 65,0
machine:	
	.space 65,0
domainname:	
	.space 65,0


	.text
	.globl arch

#  	first argument goes into %rdi  == ptr to 6 quads...
#       each of the quads should receive memory pointer --- but let's see!	
	
arch:
	lea	utsname,%rdi	# use utsname to store the result of uname(2) --- read the man page
				# to see what is being done
	mov     $__NR_uname,%rax	# syscall is uname
	syscall

	lea	machine,%rsi	#
	mov	$1,%rdi
	call	writestr

	lea	_eoln,%rsi	# now put an end-of-line
	mov	$1,%rdi
	call	writestr
	
	mov	$0, %rdi	# and exit with a zero status
	mov	$__NR_exit,%rax	# syscall = 60 is exit
	syscall