}
	if val == -1 {
		delete(l.dynid, i)
	} else {
		l.dynid[i] = val
	}
}

// DynidSyms returns the set of symbols for which dynID is set to an
// interesting (non-default) value. This is expected to be a fairly
// small set.
func (l *Loader) DynidSyms() []Sym {
	sl := make([]Sym, 0, len(l.dynid))
	for s := range l.dynid {
		sl = append(sl, s)
	}

	for _, sy := range ldr.DynidSyms() {

		dynid := ldr.SymDynid(sy)
		if ldr.SymDynimpvers(sy) != "" {
			need[dynid] = addelflib(&needlib, ldr.SymDynimplib(sy), ldr.SymDynimpvers(sy))
		}

		name := ldr.SymExtname(sy)
		hc := elfhash(name)

		b := hc % uint32(nbucket)
		chain[dynid] = buckets[b]
		buckets[b] = uint32(dynid)
	}

	// s390x (ELF64) hash table entries are 8 bytes

		}
	}

	nsortsym = len(sortsym)
}

func machosymorder(ctxt *Link) {
	ldr := ctxt.loader

	// On Mac OS X Mountain Lion, we must sort exported symbols
	// So we sort them here and pre-allocate dynid for them
	// See https://golang.org/issue/4029
	for _, s := range ctxt.dynexp {
		if !ldr.AttrReachable(s) {
			panic("dynexp symbol is not reachable")
		}
	}
	collectmachosyms(ctxt)

	// add to got.plt: pointer to plt[0]
	gotplt.AddAddrPlus(target.Arch, plt.Sym(), 0)

	// rela
	rela.AddAddrPlus(target.Arch, gotplt.Sym(), gotplt.Size()-8)
	sDynid := ldr.SymDynid(s)

	rela.AddUint64(target.Arch, elf.R_INFO(uint32(sDynid), uint32(elf.R_RISCV_JUMP_SLOT)))
	rela.AddUint64(target.Arch, 0)
}

func machoreloc1(*sys.Arch, *ld.OutBuf, *loader.Loader, loader.Sym, loader.ExtReloc, int64) bool {