//
	// Also, treat this as if we lost our P too.
	// The thread ID may be reused by the platform and we'll get
	// really confused if we try to steal the P is this is running
	// with later. The new M with the same ID could even try to
	// steal back this P from itself!
	//
	// The runtime is careful to make sure that any GoCreateSyscall
	// event will enter the runtime emitting events for reacquiring a P.
	//

		scanWork = gcOverAssistWork
		debtBytes = int64(assistBytesPerWork * float64(scanWork))
	}

	// Steal as much credit as we can from the background GC's
	// scan credit. This is racy and may drop the background
	// credit below 0 if two mutators steal at the same time. This
	// will just cause steals to fail until credit is accumulated
	// again, so in the long run it doesn't really matter, but we

	// accumulate locally before updating gcController.heapScanWork and,
	// optionally, gcController.bgScanCredit. Lower values give a more
	// accurate assist ratio and make it more likely that assists will
	// successfully steal background credit. Higher values reduce memory
	// contention.
	gcCreditSlack = 2000

	// gcAssistTimeSlack is the nanoseconds of mutator assist time that
	// can accumulate on a P before updating gcController.assistTime.

	// beginning of this GC cycle.
	initialHeapLive uint64

	// assistQueue is a queue of assists that are blocked because
	// there was neither enough credit to steal or enough work to
	// do.
	assistQueue struct {
		lock mutex
		q    gQueue
	}

	// sweepWaiters is a list of blocked goroutines to wake when
	// we transition from mark termination to sweep.

func (l *Loader) resolve(r *oReader, s goobj.SymRef) Sym {
	var rr *oReader
	switch p := s.PkgIdx; p {
	case goobj.PkgIdxInvalid:
		// {0, X} with non-zero X is never a valid sym reference from a Go object.
		// We steal this space for symbol references from external objects.
		// In this case, X is just the global index.
		if l.isExtReader(r) {
			return Sym(s.SymIdx)
		}
		if s.SymIdx != 0 {
			panic("bad sym ref")
		}