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_*.

1 files changed, 19 insertions, 0 deletions

diff --git a/include/elf/m68k.h b/include/elf/m68k.h
index 23b269a..5c29d38 100644
--- a/include/elf/m68k.h
+++ b/include/elf/m68k.h
@@ -50,6 +50,25 @@ START_RELOC_NUMBERS (elf_m68k_reloc_type)
   /* These are GNU extensions to enable C++ vtable garbage collection.  */
   RELOC_NUMBER (R_68K_GNU_VTINHERIT, 23)
   RELOC_NUMBER (R_68K_GNU_VTENTRY, 24)
+  /* TLS static relocations.  */
+  RELOC_NUMBER (R_68K_TLS_GD32, 25)
+  RELOC_NUMBER (R_68K_TLS_GD16, 26)
+  RELOC_NUMBER (R_68K_TLS_GD8, 27)
+  RELOC_NUMBER (R_68K_TLS_LDM32, 28)
+  RELOC_NUMBER (R_68K_TLS_LDM16, 29)
+  RELOC_NUMBER (R_68K_TLS_LDM8, 30)
+  RELOC_NUMBER (R_68K_TLS_LDO32, 31)
+  RELOC_NUMBER (R_68K_TLS_LDO16, 32)
+  RELOC_NUMBER (R_68K_TLS_LDO8, 33)
+  RELOC_NUMBER (R_68K_TLS_IE32, 34)
+  RELOC_NUMBER (R_68K_TLS_IE16, 35)
+  RELOC_NUMBER (R_68K_TLS_IE8, 36)
+  RELOC_NUMBER (R_68K_TLS_LE32, 37)
+  RELOC_NUMBER (R_68K_TLS_LE16, 38)
+  RELOC_NUMBER (R_68K_TLS_LE8, 39)
+  RELOC_NUMBER (R_68K_TLS_DTPMOD32, 40)
+  RELOC_NUMBER (R_68K_TLS_DTPREL32, 41)
+  RELOC_NUMBER (R_68K_TLS_TPREL32, 42)
 END_RELOC_NUMBERS (R_68K_max)
 
 /* We use the top 24 bits to encode information about the