trsOff := ldr.SymValue(trs) + tr.Add() - pc
			if trsOff >= -(1<<20) && trsOff < (1<<20) {
				r.SetType(objabi.R_RISCV_JAL)
				r.SetSym(trs)
				r.SetAdd(tr.Add())
				rs = trs
			}
		}

	}

	if target.IsExternal() {
		switch r.Type() {
		case objabi.R_RISCV_JAL, objabi.R_RISCV_JAL_TRAMP:
			return val, 1, true

			case xcoff.R_RBR:
				rSize = 4
				rType = objabi.R_CALLPOWER
				rAdd = 0
			}
			r, _ := sb.AddRel(rType)
			r.SetOff(rOff)
			r.SetSiz(rSize)
			r.SetSym(rSym)
			r.SetAdd(rAdd)
		}
	}
	return textp, nil
}

// Convert symbol xcoff type to sym.SymKind
// Returns nil if this shouldn't be added into loader (like .file or .dw symbols )

func (r *Reloc) SetAdd(x int64)   { binary.LittleEndian.PutUint64(r[7:], uint64(x)) }
func (r *Reloc) SetSym(x SymRef) {
	binary.LittleEndian.PutUint32(r[15:], x.PkgIdx)
	binary.LittleEndian.PutUint32(r[19:], x.SymIdx)
}

func (r *Reloc) Set(off int32, size uint8, typ uint16, add int64, sym SymRef) {
	r.SetOff(off)
	r.SetSiz(size)
	r.SetType(typ)
	r.SetAdd(add)
	r.SetSym(sym)
}

	// them to a go version of these functions in runtime/asm_ppc64x.s
	ts := ldr.LookupOrCreateSym("runtime.elf_"+s[1], 0)
	r.SetSym(ts)
	r.SetAdd(int64((n - minReg) * offMul))
	firstUse = !ldr.AttrReachable(ts)
	if firstUse {
		// This function only becomes reachable now. It has been dropped from
		// the text section (it was unreachable until now), it needs included.

func mkReloc(l *Loader, typ objabi.RelocType, off int32, siz uint8, add int64, sym Sym) Reloc {
	r := Reloc{&goobj.Reloc{}, l.extReader, l}
	r.SetType(typ)
	r.SetOff(off)
	r.SetSiz(siz)
	r.SetAdd(add)
	r.SetSym(sym)
	return r
}

func TestAddDataMethods(t *testing.T) {
	ldr := mkLoader()
	dummyOreader := oReader{version: -1, syms: make([]Sym, 100)}
	or := &dummyOreader

				}

				rSym = symtab.sym[rel.symnum].sym
			}

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

			rAdd = 0 // clear rAdd for next iteration
		}

		sb.SortRelocs()
	}

	return textp, nil
}

func cstring(x []byte) string {
	i := bytes.IndexByte(x, '\x00')
	if i >= 0 {

				// 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 i, numaux := 0, 0; i < len(f.COFFSymbols); i += numaux + 1 {
		pesym := &f.COFFSymbols[i]

	}
	return goobj.SymRef{PkgIdx: uint32(s.PkgIdx), SymIdx: uint32(s.SymIdx)}
}

func (w *writer) Reloc(r *Reloc) {
	o := &w.tmpReloc
	o.SetOff(r.Off)
	o.SetSiz(r.Siz)
	o.SetType(uint16(r.Type))
	o.SetAdd(r.Add)
	o.SetSym(makeSymRef(r.Sym))
	o.Write(w.Writer)
}

func (w *writer) aux1(typ uint8, rs *LSym) {
	o := &w.tmpAux
	o.SetType(typ)
	o.SetSym(makeSymRef(rs))
	o.Write(w.Writer)
}

				rAdd = int64(int16(rAdd))
			}
			if addendSize == 4 {
				rAdd = int64(int32(rAdd))
			}

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

		sb.SortRelocs() // just in case
	}

	return textp, ehdrFlags, nil
}

func section(elfobj *ElfObj, name string) *ElfSect {
	for i := 0; uint(i) < elfobj.nsect; i++ {

			tplt := int32(rel.Size())
			ctxt.loader.SetPlt(targ, tplt)

			if su == nil {
				su = ctxt.loader.MakeSymbolUpdater(s)
			}
			r.SetSym(rel.Sym())
			r.SetAdd(int64(tplt))

			// jmp *addr
			switch ctxt.Arch.Family {
			default:
				return fmt.Errorf("internal error in windynrelocsym: unsupported arch %v", ctxt.Arch.Family)
			case sys.I386:
				rel.AddUint8(0xff)