// frame, whereas the saved frame pointer will give us the
				// caller's return address first (so, not including
				// saveblockevent)
				mp.profStack[0] -= 1
			}
			nstk += fpTracebackPCs(unsafe.Pointer(getfp()), mp.profStack[1:])
		} else {
			mp.profStack[1] = gp.m.curg.sched.pc
			nstk += 1 + fpTracebackPCs(unsafe.Pointer(gp.m.curg.sched.bp), mp.profStack[2:])
		}
	}