* aoutx.h (translate_to_native_sym_flags): Use the output_section

	* aoutx.h (translate_to_native_sym_flags): Use the output_section
	(and output_offset) if there is one.

	* aoutx.h (aout_link_check_archive_element): Discard the symbols
	if the archive element was not needed.

	* aoutx.h (aout_get_external_symbols): Ensure that a zero string
	index yields an empty string.
	(aout_link_write_symbols): If info->keep_memory is false, use name
	from original hash table entry, not from entry in *sym_hash.

	* aoutx.h (struct aout_final_link_info): Add fields contents,
	relocs, symbol_map and output_syms.
	(NAME(aout,final_link)): Work out the largest section size, reloc
	size, and number of symbols.  Use them to preallocate buffers that
	are large enough for all cases.
	(aout_link_input_bfd): Use preallocated symbol_map.
	(aout_link_write_symbols): Remove symbol_map argument; use
	preallocated symbol_map instead.  Change all callers.  Use
	preallocated output_syms.
	(aout_link_input_section): Remove symbol_map argument.  Change all
	callers.  Use preallocated contents and relocs.
	(aout_link_input_section_std): Remove symbol_map argument; use
	preallocated symbol_map instead.  Change all callers.
	(aout_link_input_section_ext): Likewise.