M68K TLS support.
ld/testsuite/
* ld-m68k/got-multigot-12-13-14-34-35-ok.d: Update.
* ld-m68k/got-multigot-14-ok.d: Update.
* ld-m68k/m68k-got.exp: Update.
* ld-m68k/got-negative-12-13-14-34-ok.d: Update.
* ld-m68k/got-negative-14-ok.d: Update.
* ld-m68k/tls-gd-1.d, ld-m68k/tls-gd-2.d: New tests.
* ld-m68k/tls-gd-ie-1.d, ld-m68k/tls-ie-1.d: New tests.
* ld-m68k/tls-ld-1.d, ld-m68k/tls-ld-2.d: New tests.
* ld-m68k/tls-ld-1.s, ld-m68k/tls-ld-2.s, ld-m68k/tls-le-1.s:
New test sources.
* ld-m68k/tls-no-1.s, ld-m68k/tls-gd-ie-1.s, ld-m68k/tls-gd-1.s:
New test sources.
* ld-m68k/tls-gd-2.s, ld-m68k/tls-ie-1.s: New test sources.
* ld-m68k/m68k.exp: Run new tests.
(merge isa-a isa-a:nodiv): Fix.
gas/testsuite/
* gas/m68k/tls-gd-3.d, gas/m68k/tls-gd-3.s: New test.
* gas/m68k/all.exp: Run it.
gas/
* config/m68k-parse.h (enum pic_relocation): Add values for TLS
relocations.
* config/m68k-parse.y (yylex): Parse TLS relocations.
* config/tc-m68k.c (m68k_elf_cons): New static function.
(md_pseudo_table): Use it.
(get_reloc_code, tc_m68k_fix_adjustable, tc_gen_reloc): Handle TLS
relocations.
(md_apply_fix): Fix to set thread local flag.
(m68k_elf_suffix): New static function; helper for m68k_elf_cons.
include/elf/
* m68k.h: Map TLS relocations to numbers.
bfd/
* bfd-in2.h: Regenerate.
* elf32-m68k.c: Handle 2-slot GOT entries. Rename variables and
fields from n_entries to n_slots where appropriate, update comments.
(HOWTO): Add TLS relocations.
(reloc_map): Map BFD_RELOC_68K_TLS_* to R_68K_TLS_*.
(enum elf_m68k_got_offset_size): New enum.
(struct elf_m68k_got_entry.type): Move field to ...
(struct elf_m68k_got_entry_key): ... here. Update all uses.
(elf_m68k_reloc_got_type, elf_m68k_reloc_got_offset_size): New static
functions.
(elf_m68k_reloc_got_n_entries, elf_m68k_reloc_tls_p): New static
functions.
(struct elf_m68k_got): merge rel_8o_n_entries and rel_8o_16o_n_entries
fields into n_entries array. Update comments.
(elf_m68k_init_got): Simplify, update all uses.
(elf_m68k_init_got_entry_key): Handle R_68K_TLS_LDM32 reloc, update.
(ELF_M68K_REL_8O_MAX_N_ENTRIES_IN_GOT): Adjust to handle 2-slot
GOT entries; update name, update all uses.
(ELF_M68K_REL_8O_16O_MAX_N_ENTRIES_IN_GOT): Ditto.
(elf_m68k_get_got_entry): Update.
(elf_m68k_update_got_entry_type): Rewrite to handle TLS GOT entries,
simplify.
(elf_m68k_remove_got_entry_type): Simplify.
(elf_m68k_add_entry_to_got, elf_m68k_can_merge_gots_1): Update.
(elf_m68k_can_merge_gots): Update.
(elf_m68k_merge_gots_1, elf_m68k_merge_gots): Update.
(struct elf_m68k_finalize_got_offsets_arg): Rewrite to handle 2-slot
GOT entries, simplify.
(elf_m68k_finalize_got_offsets_1, elf_m68k_finalize_got_offsets): Same.
(struct elf_m68k_partition_multi_got_arg): Add slots_relas_diff
field, remove obsoleted local_n_entries field.
(elf_m68k_partition_multi_got_2): New static function.
(elf_m68k_partition_multi_got_1, elf_m68k_partition_multi_got): Use it;
update.
(elf_m68k_remove_got_entry_type): Update.
(elf_m68k_install_rela, dtpoff_base, tpoff): New static functions.
(elf_m68k_check_relocs): Handle TLS relocations. Remove unnecessary
update of sgot->size and srelgot->size.
(elf_m68k_gc_sweep_hook): Update.
(elf_m68k_install_rela, dtpoff_base, tpoff): New static functions.
(elf_m68k_relocate_section, elf_m68k_finish_dynamic_symbol): Handle
TLS relocations.
* reloc.c (BFD_RELOC_68K_TLS_*): Declare TLS relocations.
* libbfd.h (bfd_reloc_code_real_names): Add BFD_RELOC_68K_TLS_*.
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