bfd/ChangeLog

	bfd/ChangeLog
	* elfxx-mips.c (mips_elf_calculate_relocation): Handle special
	'__gnu_local_gp' symbol used by gas -mno-shared.

	gas/ChangeLog
	* config/tc-mips.c (macro_build_lui): Use '__gnu_local_gp'
	instead of '_gp' for -mno-shared optimization.
	(s_cpload): Ditto.
	(s_abicalls): Document it in the comment.
	(md_show_usage): Document the -mno-shared option.

	gas/testsuite/ChangeLog
	* gas/mips/elf-rel23b.d: Use '__gnu_local_gp' instead of '_gp'
	for -mno-shared optimization.
	* gas/mips/elf-rel25a.d: Ditto.

	ld/testsuite/ChangeLog
	* ld-mips-elf/multi-got-no-shared-1.s,
	ld-mips-elf/multi-got-no-shared-2.s,
	ld-mips-elf/multi-got-no-shared.d: New tests.
	* ld-mips-elf/mips-elf.exp: Run them.