secaddr := c.seg.sect[rel.symnum-1].addr
				rAdd -= int64(secaddr)
			}

			if rel.extrn == 0 {
				if rel.symnum < 1 || rel.symnum > c.seg.nsect {
					return errorf("invalid relocation: section reference out of range %d vs %d", rel.symnum, c.seg.nsect)
				}

				rSym = c.seg.sect[rel.symnum-1].sym
				if rSym == 0 {

				rel.Pcrel = ri.Addr&(1<<30) != 0
				rel.Value = ri.Symnum
				rel.Scattered = true
			} else {
				switch bo {
				case binary.LittleEndian:
					rel.Addr = ri.Addr
					rel.Value = ri.Symnum & (1<<24 - 1)
					rel.Pcrel = ri.Symnum&(1<<24) != 0
					rel.Len = uint8((ri.Symnum >> 25) & (1<<2 - 1))
					rel.Extern = ri.Symnum&(1<<27) != 0
					rel.Type = uint8((ri.Symnum >> 28) & (1<<4 - 1))
				case binary.BigEndian:

		Errorf(nil, "read-only data segment too large: %d", state.datsize)
	}

	siz := 0
	for symn := sym.SELFRXSECT; symn < sym.SXREF; symn++ {
		siz += len(state.data[symn])
	}
	ctxt.datap = make([]loader.Sym, 0, siz)
	for symn := sym.SELFRXSECT; symn < sym.SXREF; symn++ {
		ctxt.datap = append(ctxt.datap, state.data[symn]...)
	}
}

// allocateDwarfSections allocates sym.Section objects for DWARF

		binary.Read(b, f.ByteOrder, &rela)
		var symNo uint64
		var t R_MIPS
		if f.ByteOrder == binary.BigEndian {
			symNo = rela.Info >> 32
			t = R_MIPS(rela.Info & 0xff)
		} else {
			symNo = rela.Info & 0xffffffff
			t = R_MIPS(rela.Info >> 56)
		}

		if symNo == 0 || symNo > uint64(len(symbols)) {
			continue
		}
		sym := &symbols[symNo-1]
		if !canApplyRelocation(sym) {
			continue

			default:
				ldr.Errorf(s, "unknown segment for .loader relocation with symbol %s", ldr.SymName(targ))
			case &Segtext:
			case &Segrodata:
				xldr.symndx = 0 // .text
			case &Segdata:
				if targType == sym.SBSS || targType == sym.SNOPTRBSS {
					xldr.symndx = 2 // .bss
				} else {
					xldr.symndx = 1 // .data
				}
			}

		} else {

	SYS_THRKILL        = 119 // { int sys_thrkill(pid_t tid, int signum, void *tcb); }
	SYS_READV          = 120 // { ssize_t sys_readv(int fd, \
	SYS_WRITEV         = 121 // { ssize_t sys_writev(int fd, \
	SYS_KILL           = 122 // { int sys_kill(int pid, int signum); }
	SYS_FCHOWN         = 123 // { int sys_fchown(int fd, uid_t uid, gid_t gid); }

	SYS_THRKILL        = 119 // { int sys_thrkill(pid_t tid, int signum, void *tcb); }
	SYS_READV          = 120 // { ssize_t sys_readv(int fd, \
	SYS_WRITEV         = 121 // { ssize_t sys_writev(int fd, \
	SYS_KILL           = 122 // { int sys_kill(int pid, int signum); }
	SYS_FCHOWN         = 123 // { int sys_fchown(int fd, uid_t uid, gid_t gid); }

	}
	return e
}

func newElfShdr(name int64) *ElfShdr {
	e := new(ElfShdr)
	e.Name = uint32(name)
	e.shnum = elf.SectionIndex(ehdr.Shnum)
	if ehdr.Shnum >= NSECT {
		Errorf(nil, "too many shdrs")
	} else {
		shdr[ehdr.Shnum] = e
		ehdr.Shnum++
	}

	return e
}

func getElfEhdr() *ElfEhdr {
	return &ehdr
}

func elf64writehdr(out *OutBuf) uint32 {

			if psz, ok2 := comdatDefinitions[l.SymName(s)]; ok2 {
				if sz == psz {
					//  OK to discard, we've seen an instance
					// already.
					continue
				}
			}
		}
		if l.OuterSym(s) != 0 {
			if l.AttrDuplicateOK(s) {
				continue
			}
			outerName := l.SymName(l.OuterSym(s))
			sectName := l.SymName(state.sectsyms[sect])

		}

		s := elfsym.sym
		if l.OuterSym(s) != 0 {
			if l.AttrDuplicateOK(s) {
				continue
			}
			return errorf("duplicate symbol reference: %s in both %s and %s",
				l.SymName(s), l.SymName(l.OuterSym(s)), l.SymName(sect.sym))
		}

		sectsb := l.MakeSymbolUpdater(sect.sym)
		sb := l.MakeSymbolUpdater(s)

		sb.SetType(sectsb.Type())
		sectsb.AddInteriorSym(s)
		if !l.AttrCgoExportDynamic(s) {