* libcoff-in.h (struct xcoff_tdata): Define.

	* libcoff-in.h (struct xcoff_tdata): Define.
	(xcoff_data): Define.
	* bfd.c (struct _bfd): Add xcoff_obj_data field to tdata union.
	* bfd-in2.h, libcoff.h: Rebuild.
	* coff-rs6000.c (xcoff_mkobject): New static function.
	(coff_mkobject): Define.
	(xcoff_copy_private_bfd_data): New static function.
	(coff_bfd_copy_private_bfd_data): Define.
	(rs6000coff_howto_table): Change R_TOC complain_on_overflow from
	signed to bitfield.
	(rs6000coff_vec): Add DYNAMIC to object_flags.
	* coffcode.h (sec_to_styp_flags): If RS6000COFF_C, handle .pad and
	.loader sections specially.
	(coff_new_section_hook): If RS6000COFF_C, get the .text and .data
	section alignment from the XCOFF tdata information.
	(coff_mkobject_hook): If RS6000COFF_C, set DYNAMIC based on
	F_SHROBJ, and copy the extra a.out header information into the
	XCOFF tdata structure.
	(coff_write_object_contents): If RS6000COFF_C, set F_SHROBJ,
	F_DYNLOAD and the extra a.out header information.
	(coff_slurp_symbol_table): Set BSF_NOT_AT_END for a C_EXT or
	C_HIDEXT symbol with attached csect information.
	* coffswap.h (coff_swap_aouthdr_in): If RS6000COFF_C, swap
	in the o_maxdata field.
	(coff_swap_aouthdr_out): If RS6000COFF_C, swap extra XCOFF fields.
	* coffgen.c (coff_renumber_symbols): Don't move any symbol to the
	end if BSF_NOT_AT_END is set.