gs[ev.Args[0]] = g1

		case EvGoSysCall:
			g := gs[ev.G]
			p := ps[ev.P]
			if err := checkRunning(p, g, ev, false); err != nil {
				return err
			}
			g.ev = ev

			gs[ev.G] = g
		case EvGoSysBlock:
			g := gs[ev.G]
			p := ps[ev.P]
			if err := checkRunning(p, g, ev, false); err != nil {
				return err
			}
			g.state = gWaiting
			g.evStart = nil
			p.g = 0