continue
		}
		obj.setRecord(nil) // Don't scan it again.
		if stackTraceDebug {
			printlock()
			print("  live stkobj at", hex(state.stack.lo+uintptr(obj.off)), "of size", obj.size)
			if conservative {
				print(" (conservative)")
			}
			println()
			printunlock()
		}
		gcdata := r.gcdata()
		var s *mspan
		if r.useGCProg() {

	// worldsema another cycle could start and smash the stats
	// we're trying to print.
	if debug.gctrace > 0 {
		util := int(memstats.gc_cpu_fraction * 100)

		var sbuf [24]byte
		printlock()
		print("gc ", memstats.numgc,
			" @", string(itoaDiv(sbuf[:], uint64(work.tSweepTerm-runtimeInitTime)/1e6, 3)), "s ",
			util, "%: ")
		prev := work.tSweepTerm

// application.
//
// scavenger.lock must be held.
func printScavTrace(releasedBg, releasedEager uintptr, forced bool) {
	assertLockHeld(&scavenger.lock)

	printlock()
	print("scav ",
		releasedBg>>10, " KiB work (bg), ",
		releasedEager>>10, " KiB work (eager), ",
		gcController.heapReleased.load()>>10, " KiB now, ",
		(gcController.heapInUse.load()*100)/heapRetained(), "% util",

			c.consMark = c.lastConsMark[i]
		}
	}
	copy(c.lastConsMark[:], c.lastConsMark[1:])
	c.lastConsMark[len(c.lastConsMark)-1] = currentConsMark

	if debug.gcpacertrace > 0 {
		printlock()
		goal := gcGoalUtilization * 100
		print("pacer: ", int(utilization*100), "% CPU (", int(goal), " exp.) for ")

	// the Go heap. It may also indicate a runtime
	// bug.
	//
	// TODO(austin): We could be more aggressive
	// and detect pointers to unallocated objects
	// in allocated spans.
	printlock()
	print("runtime: pointer ", hex(p))
	if s != nil {
		state := s.state.get()
		if state != mSpanInUse {
			print(" to unallocated span")
		} else {
			print(" to unused region of span")
		}

        }

        void add(Statement statement) {
            body.add(statement);
        }

        @Override
        public void writeCodeTo(PrettyPrinter printer) {
            printer.printBlock(blockSelector, body);
        }
    }

    private static class ScriptBlock extends BlockStatement {
        ScriptBlock(String comment, String blockSelector) {
            super(comment, blockSelector);

	start := true
	printcomma := func() {
		if !start {
			print(", ")
		}
	}
	pi := 0
	slotIdx := uint8(0) // register arg spill slot index
printloop:
	for {
		o := p[pi]
		pi++
		switch o {
		case abi.TraceArgsEndSeq:
			break printloop
		case abi.TraceArgsStartAgg:
			printcomma()
			print("{")
			start = true
			continue
		case abi.TraceArgsEndAgg:
			print("}")