//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
//sys	setfsgid(gid int) (prev int, err error)
//sys	setfsuid(uid int) (prev int, err error)
//sys	Shutdown(fd int, how int) (err error)
//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)

func Stat(path string, stat *Stat_t) (err error) {
	return Fstatat(AT_FDCWD, path, stat, 0)
}

					return nil, errComplex
				}
			}
			ands = append(ands, lits)
		}
		split = append(split, ands)
	}

	// If all the ORs have length 1 (no actual OR'ing going on),
	// push the top-level ANDs to the bottom level, so that we get
	// one // +build line instead of many.
	maxOr := 0
	for _, or := range split {
		if maxOr < len(or) {
			maxOr = len(or)
		}
	}
	if maxOr == 1 {

//sys	Setfsgid(gid int) (err error)
//sys	Setfsuid(uid int) (err error)
//sysnb	setrlimit1(resource int, rlim *Rlimit) (err error) = SYS_SETRLIMIT
//sys	Shutdown(fd int, how int) (err error)
//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)

func Stat(path string, stat *Stat_t) (err error) {
	return fstatat(_AT_FDCWD, path, stat, 0)
}

func (t *parsedTrace) endTime() trace.Time {
	return t.events[len(t.events)-1].Time()
}

// splitTrace splits the trace into a number of ranges, each resulting in approx 100 MiB of
// json output (the trace viewer can hardly handle more).
func splitTrace(parsed *parsedTrace) ([]traceviewer.Range, error) {
	// TODO(mknyszek): Split traces by generation by doing a quick first pass over the
	// trace to identify all the generation boundaries.

//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
//sys	setfsgid(gid int) (prev int, err error) = SYS_SETFSGID32
//sys	setfsuid(uid int) (prev int, err error) = SYS_SETFSUID32
//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
//sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
//sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)

//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
//sys	setfsgid(gid int) (prev int, err error)
//sys	setfsuid(uid int) (prev int, err error)
//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
//sys	Stat(path string, stat *Stat_t) (err error)
//sys	Statfs(path string, buf *Statfs_t) (err error)

//sys	setfsgid(gid int) (prev int, err error)
//sys	setfsuid(uid int) (prev int, err error)
//sys	Shutdown(fd int, how int) (err error)
//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
//sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
//sys	Truncate(path string, length int64) (err error) = SYS_TRUNCATE64

//sys	Setfsgid(gid int) (err error) = SYS_SETFSGID32
//sys	Setfsuid(uid int) (err error) = SYS_SETFSUID32
//sys	Shutdown(fd int, how int) (err error)
//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
//sys	Ustat(dev int, ubuf *Ustat_t) (err error)

//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)

		if !reachable[b.ID] {
			continue
		}
		if b.Kind != BlockFirst {
			continue
		}
		b.removeEdge(1)
		b.Kind = BlockPlain
		b.Likely = BranchUnknown
	}

	// Splice out any copies introduced during dead block removal.
	copyelim(f)

	// Find live values.
	live, order := liveValues(f, reachable)
	defer func() { f.Cache.freeBoolSlice(live) }()

		uintArgs = append(uintArgs, b.uintArgFor(arg, spec.Args[i+argOff]))
	}
	b.RawEvent(ev, nil, uintArgs...)
}

func (b *Batch) uintArgFor(arg any, argSpec string) uint64 {
	components := strings.SplitN(argSpec, "_", 2)
	typStr := components[0]
	if len(components) == 2 {
		typStr = components[1]
	}
	var u uint64
	switch typStr {
	case "value":
		u = arg.(uint64)
	case "stack":