initfunc.AddUint32(ctxt.Arch, op)
	}
	o(0xe59f0004)
	o(0xe08f0000)

	o(0xeafffffe)
	rel, _ := initfunc.AddRel(objabi.R_CALLARM)
	rel.SetOff(8)
	rel.SetSiz(4)
	rel.SetSym(addmoduledata)
	rel.SetAdd(0xeafffffe) // vomit

	o(0x00000000)

	rel2, _ := initfunc.AddRel(objabi.R_PCREL)
	rel2.SetOff(12)
	rel2.SetSiz(4)
	rel2.SetSym(ctxt.Moduledata)
	rel2.SetAdd(4)
}

		t.Errorf("SymAlign(es3): expected 128, got %d", es3al)
	}

	// Add some relocations to the new symbols.
	r1, _ := sb1.AddRel(objabi.R_ADDR)
	r1.SetOff(0)
	r1.SetSiz(1)
	r1.SetSym(ts1)
	r2, _ := sb1.AddRel(objabi.R_CALL)
	r2.SetOff(3)
	r2.SetSiz(8)
	r2.SetSym(ts2)
	r3, _ := sb2.AddRel(objabi.R_USETYPE)
	r3.SetOff(7)
	r3.SetSiz(1)
	r3.SetSym(ts3)

	// Add some data to the symbols.

	sb.relocs = append(sb.relocs, make([]goobj.Reloc, n)...)
	return sb.l.Relocs(sb.symIdx)
}

// Add a relocation with given type, return its handle and index
// (to set other fields).
func (sb *SymbolBuilder) AddRel(typ objabi.RelocType) (Reloc, int) {
	j := len(sb.relocs)
	sb.relocs = append(sb.relocs, goobj.Reloc{})
	sb.relocs[j].SetType(uint16(typ))
	relocs := sb.Relocs()
	return relocs.At(j), j
}

	// 	4: R_AARCH64_ADD_ABS_LO12_NC	local.moduledata
	o(0x90000000)
	o(0x91000000)
	rel, _ := initfunc.AddRel(objabi.R_ADDRARM64)
	rel.SetOff(0)
	rel.SetSiz(8)
	rel.SetSym(ctxt.Moduledata)

	// 8:	14000000 	b	0 <runtime.addmoduledata>
	// 	8: R_AARCH64_CALL26	runtime.addmoduledata
	o(0x14000000)
	rel2, _ := initfunc.AddRel(objabi.R_CALLARM64)
	rel2.SetOff(8)
	rel2.SetSiz(4)
	rel2.SetSym(addmoduledata)
}

				// associated to functions that won't be used in
				// the final binary, in which case the relocation
				// target symbol won't be reachable.
				rType |= objabi.R_WEAK
			}

			rel, _ := sb.AddRel(rType)
			rel.SetOff(rOff)
			rel.SetSiz(rSize)
			rel.SetSym(rSym)
			rel.SetAdd(rAdd)

		}

		sb.SortRelocs()
	}

	// enter sub-symbols into symbol table.

	for sym := range tracked {
		trackSyms = append(trackSyms, sym)
	}
	sort.Slice(trackSyms, func(i, j int) bool { return trackSyms[i].Name < trackSyms[j].Name })
	for _, sym := range trackSyms {
		r := obj.Addrel(fnsym)
		r.Sym = sym
		r.Type = objabi.R_USEFIELD
	}
}

// largeStack is info about a function whose stack frame is too large (rare).
type largeStack struct {
	locals int64
	args   int64

	tramp.AddUint32(arch, 0x00000f97) // AUIPC	$0, X31
	tramp.AddUint32(arch, 0x000f8067) // JALR	X0, (X31)

	r, _ := tramp.AddRel(objabi.R_RISCV_CALL)
	r.SetSiz(8)
	r.SetSym(target)
	r.SetAdd(offset)

		// the following symbols. They might not be referenced in the program.
		addRef := func(name string) {
			s := ldr.Lookup(name, 0)
			if s == 0 {
				return
			}
			r, _ := moduledata.AddRel(objabi.R_XCOFFREF)
			r.SetSym(s)
			r.SetSiz(uint8(ctxt.Arch.PtrSize))
		}
		addRef("runtime.rodata")
		addRef("runtime.erodata")
		addRef("runtime.epclntab")

		}
	default:
		base.FatalfAt(dot.Pos(), "usemethod: unexpected dot.Op() %s", dot.Op())
	}

	if ir.IsConst(targetName, constant.String) {
		name := constant.StringVal(targetName.Val())

		r := obj.Addrel(ir.CurFunc.LSym)
		r.Type = objabi.R_USENAMEDMETHOD
		r.Sym = staticdata.StringSymNoCommon(name)
	} else {
		ir.CurFunc.LSym.Set(obj.AttrReflectMethod, true)
	}
}

		fs := v.Linksym()
		if fs == nil {
			base.Fatalf("bad: func %v has no linksym", v)
		}
		vs := k.Linksym()
		if vs == nil {
			base.Fatalf("bad: mapvar %v has no linksym", k)
		}
		r := obj.Addrel(vs)
		r.Sym = fs
		r.Type = objabi.R_KEEP
		if base.Debug.WrapGlobalMapDbg > 1 {
			fmt.Fprintf(os.Stderr, "=-= add R_KEEP relo from %s to %s\n",
				vs.Name, fs.Name)
		}
	}
	varToMapInit = nil