bfd/

bfd/
	* xcofflink.c (xcoff_link_create_extra_sections): Don't create
	a .loader section for relocatable links.
	(xcoff_need_ldrel_p): New function.
	(xcoff_mark): Use it.
	(bfd_xcoff_link_count_reloc): Only count loader relocs if there's
	a loader section.
	(xcoff_build_ldsym): New function, split out from...
	(xcoff_build_ldsyms): ...here.  Rename to...
	(xcoff_post_gc_symbol): ...this.  Only export symbols, and only
	call xcoff_build_ldsym, if there's a loader section.
	(xcoff_build_loader_section): New function, extracted verbatim from...
	(bfd_xcoff_size_dynamic_sections): ...here.  Only call it if
	there's a loader section.  Only add an __rtinit loader symbol
	if there's a loader section.  Update after above name change.
	(xcoff_symbol_section, xcoff_create_ldrel): New functions.
	(bfd_link_input_bfd): Use xcoff_need_ldrel_p, xcoff_symbol_section
	and xcoff_create_ldrel.
	(xcoff_write_global_symbol): Use xcoff_create_ldrel.
	(xcoff_reloc_link_order): Likewise, but only call it if there's
	a loader section.  Use xcoff_symbol_section.
	(_bfd_xcoff_bfd_final_link): Only use fdinfo.ldrel and fdinfo.ldsym
	if there's a loader section.

ld/testsuite/
	* ld-powerpc/aix-rel-1.s, ld-powerpc/aix-rel-1.od: New test.
	* ld-powerpc/aix52.exp: Run it.