* dwarf2.c (read_attribute): Support DW_FORM_ref8.

	* dwarf2.c (read_attribute): Support DW_FORM_ref8.
	* elf32-mips.c (mips_elf_link_hash_entry): Change mips_32_relocs
	to possibly_dynamic_relocs.  Adjust usage throughout code.
	(elf_mips_howto_table): Handle R_MIPS_64 correctly.
	(elf_mips_ctor64_howto): Likewise.
	(mips_elf_calculate_relocation): Handle R_MIPS_64 like R_MIPS_32.
	Adjust indentation.
	(mips_elf_relocate_section): Handle R_MIPS_64 in 32-bit mode.
	(_bfd_mips_elf_check_relocs): Handle R_MIPS_64 like R_MIPS_32.
	Use MIPS_ELF_GOT_SIZE to calculate the size of GOT entries.
	* elf64-mips.c (elf_backend_may_use_rel_p): Define.