Commit Graph

3 Commits

Author SHA1 Message Date
Nick Clifton
cf869cce62 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_*.
2009-02-03 14:36:47 +00:00
H.J. Lu
851b0ff7c6 2008-07-11 H.J. Lu <hongjiu.lu@intel.com>
* ld-m68k/got-12.s: Removed.
	* ld-m68k/got-13.s: Likewise.
	* ld-m68k/got-14.s: Likewise.
	* ld-m68k/got-15.s: Likewise.
	* ld-m68k/got-34.s: Likewise.
	* ld-m68k/got-35.s: Likewise.
	* ld-m68k/xgot-15.s: Likewise.

	* ld-m68k/got-multigot-12-13-14-34-35-ok.d: Remove #source
	and expected relocations.
	* ld-m68k/got-multigot-14-ok.d: Likewise.
	* ld-m68k/got-negative-12-13-14-34-ok.d: Likewise.
	* ld-m68k/got-negative-14-ok.d: Likewise.
	* ld-m68k/got-single-12-ok.d: Likewise.
	* ld-m68k/got-xgot-12-13-14-15-34-35-ok.d: Likewise.
	* ld-m68k/got-xgot-15-ok.d: Likewise.

	* ld-m68k/got-multigot-15-er.d: Remove #source.
	* ld-m68k/got-negative-12-13-14-35-er.d: Likewise.
	* ld-m68k/got-negative-15-er.d: Likewise.
	* ld-m68k/got-single-13-er.d: Likewise.

	* ld-m68k/m68k.exp: Move GOT tests to ...
	* ld-m68k/m68k-got.exp: This.  New.
2008-07-11 17:19:00 +00:00
Nick Clifton
7fb9f789e3 Multi-GOT support for m68k.
bfd/

        * elf32-m68k.c (struct elf_m68k_link_hash_entry: got_entry_key,
        glist): New fields.
        (struct elf_m68k_got_entry_key, struct elf_m68k_got_entry,
        struct elf_m68k_got, struct elf_m68k_bfd2got_entry,
        struct elf_m68k_multi_got): New data structures.
        (struct elf_m68k_link_hash_table: local_gp_p, use_neg_got_offsets_p,
        allow_multigot_p, multi_got_): New fields.
        (elf_m68k_multi_got): New macro.
        (elf_m68k_link_hash_newfunc): Initialize new fields of
        struct elf_m68k_link_hash_entry.
        (elf_m68k_link_hash_table_create): Initialize new fields of
        struct elf_m68k_link_hash_table.
        (elf_m68k_link_hash_table_free): New static function implementing hook.
        (elf_m68k_init_got, elf_m68k_clear_got, elf_m68k_create_empty_got): New
        static functions for struct elf_m68k_got.
        (elf_m68k_init_got_entry_key, elf_m68k_got_entry_hash,
        elf_m68k_got_entry_eq): New static functions for
        struct elf_m68k_got_entry.
        (ELF_M68K_REL_8O_MAX_N_ENTRIES_IN_GOT,
        ELF_M68K_REL_8O_16O_MAX_N_ENTRIES_IN_GOT): New macros.
        (enum elf_m68k_get_entry_howto): New enum.
        (elf_m68k_get_got_entry, elf_m68k_update_got_entry_type,
        elf_m68k_remove_got_entry_type): New static functions for
        struct elf_m68k_got_entry.
        (elf_m68k_add_entry_to_got): New static function.
        (elf_m68k_bfd2got_entry_hash, elf_m68k_bfd2got_entry_eq,
        elf_m68k_bfd2got_entry_del, elf_m68k_get_bfd2got_entry): New static
        functions for struct elf_m68k_bfd2got_entry.
        (struct elf_m68k_can_merge_gots_arg, elf_m68k_can_merge_gots_1,
        elf_m68k_can_merge_gots): New traversal.
        (struct elf_m68k_merge_gots_arg, elf_m68k_merge_gots_1,
        elf_m68k_merge_gots): Ditto.
        (struct elf_m68k_finalize_got_offsets_arg,
        elf_m68k_finalize_got_offsets_1, elf_m68k_finalize_got_offsets): Ditto.
        (struct elf_m68k_partition_multi_got_arg,
        elf_m68k_partition_multi_got_1, elf_m68k_init_symndx2h_1,
        elf_m68k_partition_multi_got): Ditto.
        (elf_m68k_find_got_entry_ptr, elf_m68k_remove_got_entry): New static
        functions.
        (elf_m68k_copy_indirect_symbol): New static function implementing
        a hook.
        (elf_m68k_check_relocs): Update to add entries to multi-GOT.
        (elf_m68k_gc_sweep_hook): Update to remove entries from multi-GOT.
        (elf_m68k_always_size_sections): Assign BFDs to GOTs.
        (elf_m68k_relocate_section): Update to properly handle GOT relocations.
        (elf_m68k_finish_dynamic_symbol): Update to traverse all GOT entries
        of a global symbol.
        (bfd_elf_m68k_set_target_options): New function.
        (bfd_elf32_bfd_link_hash_table_free): Define hook.
        (bfd_elf32_bfd_final_link): Change expansion to bfd_elf_final_link
        to skip generic calculation of GOT offsets.
        (elf_backend_copy_indirect_symbol): Define hook.

        * bfd-in.h (bfd_elf_m68k_set_target_options): Declare function.
        * bfd-in2.h: Regenerate.

        ld/

        * configure.in (--enable-got): New option.  Handle it.
        * configure: Regenerate.
        * config.in: Regenerate.

        * emultempl/m68kelf.em: (got_handling_target_default): New shell
        variable.
        (GOT_HANDLING_TARGET_DEFAULT): New macro.
        (GOT_HANDLING_DEFAULT): New macro.  Initialize it from configure
        option if one was given.
        (got_handling): New static variable.
        (elf_m68k_create_output_section_statements): New static function
        implementing hook.
        (PARSE_AND_LIST_PROLOGUE): Define shell variable.
        (OPTION_GOT): New macro.
        (PARSE_AND_LIST_LONGOPTS): Define shell variable.  Specify
        --got option.
        (got): New linker option.
        (PARSE_AND_LIST_OPTIONS): Define shell variable.  Print help string
        for --got option.
        (PARSE_AND_LIST_ARGS_CASES): Define shell variable.  Handle --got
        option.

        * ld.texinfo: Document --got=<type> option.
        * gen-doc.texi: Add M68K.
        * NEWS: Mention the new feature.

        ld/testsuite/

        * ld-m68k/got-12.s: New file.
        * ld-m68k/got-13.s: New file.
        * ld-m68k/got-14.s: New file.
        * ld-m68k/got-15.s: New file.
        * ld-m68k/got-34.s: New file.
        * ld-m68k/got-35.s: New file.
        * ld-m68k/got-single-12-ok.d: New dump test.
        * ld-m68k/got-single-13-er.d: New dump test.
        * ld-m68k/got-negative-14-ok.d: New dump test.
        * ld-m68k/got-negative-15-er.d: New dump test.
        * ld-m68k/got-negative-12-13-14-34-ok.d: New dump test.
        * ld-m68k/got-negative-12-13-14-35-er.d: New dump test.
        * ld-m68k/got-multigot-14-ok.d: New dump test.
        * ld-m68k/got-multigot-15-er.d: New dump test.
        * ld-m68k/got-multigot-12-13-14-34-35-ok.d: New dump test.
        * ld-m68k/xgot-15.s: New source.
        * ld-m68k/got-xgot-15-ok.d: New test.
        * ld-m68k/got-xgot-12-13-14-15-34-35-ok.d: New test.
        * ld-m68k/m68k.exp: Run new tests.
2008-05-21 12:01:37 +00:00