#!/usr/sbin/dtrace -s
/* #pragma D option quiet */

syscall:::entry /execname == $$1/ {
	self->trace = 1;
}

fbt:::return /self->trace && arg1 == $2/
{
	self->trace = 0;
	printf("Returning %d from %s+0x%x", arg1, probefunc, arg0);
	stack();
}

syscall:::return /self->trace/
{
	self->trace = 0;
}