t = ldr.SymValue(tarSym) + r.Add() - ldr.SymValue(syms.TOC)
			// change ld to addi in the second instruction
			o2 = (o2 & 0x03FF0000) | 0xE<<26
			useAddi = true
		} else {
			t = ldr.SymValue(rs) + r.Add() - ldr.SymValue(syms.TOC)
		}
	} else {
		t = ldr.SymValue(rs) + r.Add() - symtoc(ldr, syms, s)
	}

	if t != int64(int32(t)) {

					f.writeSymbolNewFile(ctxt, "go_functions", uint64(ldr.SymValue(x)), xfile.getXCOFFscnum(ldr.SymSect(x)))
				}
			}

		}
	}

	name = ldr.SymExtname(x)
	name = mangleABIName(ctxt, ldr, x, name)

	s := &XcoffSymEnt64{
		Nsclass: C_EXT,
		Noffset: uint32(xfile.stringTable.add(name)),
		Nvalue:  uint64(ldr.SymValue(x)),
		Nscnum:  f.getXCOFFscnum(ldr.SymSect(x)),
		Ntype:   SYM_TYPE_FUNC,

func (l *Loader) growValues(reqLen int) {
	curLen := len(l.values)
	if reqLen > curLen {
		l.values = append(l.values, make([]int64, reqLen+1-curLen)...)
	}
}

// SymValue returns the value of the i-th symbol. i is global index.
func (l *Loader) SymValue(i Sym) int64 {
	return l.values[i]
}

// SetSymValue sets the value of the i-th symbol. i is global index.
func (l *Loader) SetSymValue(i Sym, val int64) {

		if !ldr.AttrReachable(s) {
			panic("should never happen")
		}
		if uint64(ldr.SymValue(s)) >= sect.Vaddr {
			syms = syms[i:]
			break
		}
	}

	eaddr := sect.Vaddr + sect.Length
	for _, s := range syms {
		if !ldr.AttrReachable(s) {
			continue
		}
		if ldr.SymValue(s) >= int64(eaddr) {
			break
		}

		// Compute external relocations on the go, and pass to

		// symbol with the start of the next because there's
		// often a little padding between them. Instead, we
		// only create boundaries between symbols from
		// different units.
		sval := d.ldr.SymValue(sym)
		u0val := d.ldr.SymValue(loader.Sym(unit.Textp[0]))
		if prevUnit != unit {
			unit.PCs = append(unit.PCs, dwarf.Range{Start: sval - u0val})
			prevUnit = unit
		}

		return 0
	}
	st := ldr.SymType(s)
	if st == 0 {
		return *FlagTextAddr
	}
	if !ctxt.IsAIX() && st != sym.STEXT {
		ldr.Errorf(s, "entry not text")
	}
	return ldr.SymValue(s)
}

func (ctxt *Link) callgraph() {
	if !*FlagC {
		return
	}

	ldr := ctxt.loader
	for _, s := range ctxt.Textp {
		relocs := ldr.Relocs(s)