case "__TEXT", "__DATA_CONST":
				sym.Code = 'R'
			case "__DATA":
				sym.Code = 'D'
			}
			switch sect.Seg + " " + sect.Name {
			case "__TEXT __text":
				sym.Code = 'T'
			case "__DATA __bss", "__DATA __noptrbss":
				sym.Code = 'B'
			}
		}
		syms = append(syms, sym)
	}

	return syms, nil
}

func (f *machoFile) pcln() (textStart uint64, symtab, pclntab []byte, err error) {

		if sect.segname == "__TEXT" {
			if sect.name == "__text" {
				bld.SetType(sym.STEXT)
			} else {
				bld.SetType(sym.SRODATA)
			}
		} else {
			if sect.name == "__bss" {
				bld.SetType(sym.SNOPTRBSS)
				bld.SetData(nil)
			} else {
				bld.SetType(sym.SNOPTRDATA)
			}
		}

		sect.sym = s
	}

	// enter sub-symbols into symbol table.