bfd:
        * elf32-arc.c (TCB_SIZE, TCB_BASE_OFFSET): Define.
        (elf_arc_howto_table) <R_ARC_TLS_LE_S9>: Change bitsize to 9.
        (arc_plugin_one_reloc): Handle R_ARC_TLS_LE_S9 and R_ARC_TLS_LE_32.
        (elf_arc_relocate_section): Likewise.
gas:
        * config/tc-arc.c (md_assemble) <@tlsgd,@tlsie>: Set needGOTSymbol.