"\tsched={pc:", hex(gp.sched.pc), " sp:", hex(gp.sched.sp), " lr:", hex(gp.sched.lr), " ctxt:", gp.sched.ctxt, "}\n")
	}
	if sp < gp.stack.lo {
		print("runtime: gp=", gp, ", goid=", gp.goid, ", gp->status=", hex(readgstatus(gp)), "\n ")
		print("runtime: split stack overflow: ", hex(sp), " < ", hex(gp.stack.lo), "\n")
		throw("runtime: split stack overflow")
	}

	if preempt {

	return
}

func GetNextArenaHint() uintptr {
	return mheap_.arenaHints.addr
}

type G = g

type Sudog = sudog

func Getg() *G {
	return getg()
}

func Goid() uint64 {
	return getg().goid
}

func GIsWaitingOnMutex(gp *G) bool {
	return readgstatus(gp) == _Gwaiting && gp.waitreason.isMutexWait()
}

var CasGStatusAlwaysTrack = &casgstatusAlwaysTrack

//go:noinline

	// Again, because this chunk counts toward heapLive, potentially trigger a GC.
	if t := (gcTrigger{kind: gcTriggerHeap}); t.test() {
		gcStart(t)
	}

	if debug.malloc {
		if inittrace.active && inittrace.id == getg().goid {
			// Init functions are executed sequentially in a single goroutine.
			inittrace.bytes += uint64(userArenaChunkBytes)
		}
	}

	// Double-check it's aligned to the physical page size. Based on the current