[unix-history] / usr / src / libc / sys / mcount.s

# count subroutine called during profiling

.globl	mcount
.comm	countbase,4

mcount:
	movl	(r0),r1
	beql	init
incr:
	incl	(r1)
return:
	rsb
init:
	movl	countbase,r1
	beql	return
	addl2	$8,countbase
	movl	(sp),(r1)+
	movl	r1,(r0)
	brb 	incr
Commit	Line	Data
d2189992 TL	1	# count subroutine called during profiling
	2
	3	.globl mcount
	4	.comm countbase,4
	5
	6	mcount:
	7	movl (r0),r1
	8	beql init
	9	incr:
	10	incl (r1)
	11	return:
	12	rsb
	13	init:
	14	movl countbase,r1
	15	beql return
	16	addl2 $8,countbase
	17	movl (sp),(r1)+
	18	movl r1,(r0)
	19	brb incr