binutils-gdb/ld/emultempl
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
..
README 19990502 sourceware import 1999-05-03 07:29:11 +00:00
aix.em include/ 2008-02-15 03:35:53 +00:00
alphaelf.em * emultempl/alphaelf.em (alpha_after_open): Use elf_object_id. 2008-02-15 09:03:02 +00:00
armcoff.em include/ 2008-02-15 03:35:53 +00:00
armelf.em bfd/ 2008-05-15 17:00:15 +00:00
astring.sed * emultempl/ostring.sed: Rename from stringify.sed. 1999-08-06 22:46:03 +00:00
avrelf.em include/ 2008-02-15 03:35:53 +00:00
beos.em include/ 2008-02-15 03:35:53 +00:00
cr16elf.em 2007-07-19 Roland McGrath <roland@redhat.com> 2007-07-19 19:56:10 +00:00
crxelf.em 2007-07-19 Roland McGrath <roland@redhat.com> 2007-07-19 19:56:10 +00:00
elf-generic.em include/ 2008-02-15 03:35:53 +00:00
elf32.em include/ 2008-02-15 03:35:53 +00:00
genelf.em 2007-07-19 Roland McGrath <roland@redhat.com> 2007-07-19 19:56:10 +00:00
generic.em 2007-07-19 Roland McGrath <roland@redhat.com> 2007-07-19 19:56:10 +00:00
gld960.em include/ 2008-02-15 03:35:53 +00:00
gld960c.em 2007-07-19 Roland McGrath <roland@redhat.com> 2007-07-19 19:56:10 +00:00
hppaelf.em * emultempl/alphaelf.em (alpha_after_open): Use elf_object_id. 2008-02-15 09:03:02 +00:00
ia64elf.em * emultempl/alphaelf.em: Format option help. 2007-08-17 13:50:48 +00:00
irix.em include/ 2008-02-15 03:35:53 +00:00
linux.em include/ 2008-02-15 03:35:53 +00:00
lnk960.em include/ 2008-02-15 03:35:53 +00:00
m68hc1xelf.em include/ 2008-02-15 03:35:53 +00:00
m68kcoff.em 2007-07-19 Roland McGrath <roland@redhat.com> 2007-07-19 19:56:10 +00:00
m68kelf.em Multi-GOT support for m68k. 2008-05-21 12:01:37 +00:00
mipsecoff.em 2007-07-19 Roland McGrath <roland@redhat.com> 2007-07-19 19:56:10 +00:00
mipself.em 2007-07-19 Roland McGrath <roland@redhat.com> 2007-07-19 19:56:10 +00:00
mmix-elfnmmo.em include/ 2008-02-15 03:35:53 +00:00
mmixelf.em 2007-07-19 Roland McGrath <roland@redhat.com> 2007-07-19 19:56:10 +00:00
mmo.em include/ 2008-02-15 03:35:53 +00:00
needrelax.em 2007-07-19 Roland McGrath <roland@redhat.com> 2007-07-19 19:56:10 +00:00
netbsd.em 2007-07-19 Roland McGrath <roland@redhat.com> 2007-07-19 19:56:10 +00:00
ostring.sed * emultempl/ostring.sed: Rename from stringify.sed. 1999-08-06 22:46:03 +00:00
pe.em include/ 2008-02-15 03:35:53 +00:00
pep.em 2008-05-09 Kai Tietz <kai.tietz@onevision.com> 2008-05-09 11:56:31 +00:00
ppc32elf.em * emultempl/alphaelf.em (alpha_after_open): Use elf_object_id. 2008-02-15 09:03:02 +00:00
ppc64elf.em * emultempl/alphaelf.em (alpha_after_open): Use elf_object_id. 2008-02-15 09:03:02 +00:00
scoreelf.em include/ 2008-02-15 03:35:53 +00:00
sh64elf.em include/ 2008-02-15 03:35:53 +00:00
spu_ovl.S bfd/ 2008-02-07 01:26:56 +00:00
spu_ovl.o bfd/ 2008-02-07 01:26:56 +00:00
spuelf.em bfd/ 2008-04-08 03:26:54 +00:00
sunos.em include/ 2008-02-15 03:35:53 +00:00
ticoff.em * emultempl/alphaelf.em: Format option help. 2007-08-17 13:50:48 +00:00
vanilla.em include/ 2008-02-15 03:35:53 +00:00
vxworks.em include/ 2008-02-15 03:35:53 +00:00
xtensaelf.em include/ 2008-02-15 03:35:53 +00:00
z80.em include/ 2008-02-15 03:35:53 +00:00

README

The files in this directory are sourced by genscripts.sh, after
setting some variables to substitute in, to produce
C source files that contain jump tables for each emulation.