goroot           string
	goextlinkenabled string
	gogcflags        string // For running built compiler
	goldflags        string
	goexperiment     string
	workdir          string
	tooldir          string
	oldgoos          string
	oldgoarch        string
	oldgocache       string
	exe              string
	defaultcc        map[string]string
	defaultcxx       map[string]string
	defaultpkgconfig string
	defaultldso      string

func get_PivotRootAddr() *(func(newroot string, oldroot string) (err error))

var PivotRoot = enter_PivotRoot

func enter_PivotRoot(newroot string, oldroot string) (err error) {
	funcref := get_PivotRootAddr()
	if funcptrtest(GetZosLibVec()+SYS___PIVOT_ROOT_A<<4, "") == 0 {
		*funcref = impl_PivotRoot
	} else {
		*funcref = error_PivotRoot
	}
	return (*funcref)(newroot, oldroot)
}

//sys	Mknod(path string, mode uint32, dev int) (err error) = SYS___MKNOD_A
//sys	Mknodat(dirfd int, path string, mode uint32, dev int) (err error) = SYS___MKNODAT_A
//sys	PivotRoot(newroot string, oldroot string) (err error) = SYS___PIVOT_ROOT_A
//sys	Pread(fd int, p []byte, offset int64) (n int, err error)
//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)