diff options
Diffstat (limited to 'bfd/elf32-m68k.c')
| -rw-r--r-- | bfd/elf32-m68k.c | 196 |
1 files changed, 1 insertions, 195 deletions
diff --git a/bfd/elf32-m68k.c b/bfd/elf32-m68k.c index 501190d..d9a2cb8 100644 --- a/bfd/elf32-m68k.c +++ b/bfd/elf32-m68k.c @@ -695,8 +695,7 @@ struct elf_m68k_got_entry { struct { - /* Number of times this entry is referenced. It is used to - filter out unnecessary GOT slots in elf_m68k_gc_sweep_hook. */ + /* Number of times this entry is referenced. */ bfd_vma refcount; } s1; @@ -1606,27 +1605,6 @@ elf_m68k_update_got_entry_type (struct elf_m68k_got *got, return was; } -/* Update GOT counters when removing an entry of type TYPE. */ - -static void -elf_m68k_remove_got_entry_type (struct elf_m68k_got *got, - enum elf_m68k_reloc_type type) -{ - enum elf_m68k_got_offset_size os; - bfd_vma n_slots; - - n_slots = elf_m68k_reloc_got_n_slots (type); - - /* Decrese counter of slots with offset size corresponding to TYPE - and all greater offset sizes. */ - for (os = elf_m68k_reloc_got_offset_size (type); os <= R_32; ++os) - { - BFD_ASSERT (got->n_slots[os] >= n_slots); - - got->n_slots[os] -= n_slots; - } -} - /* Add new or update existing entry to GOT. H, ABFD, TYPE and SYMNDX is data for the entry. INFO is a context where memory should be allocated. */ @@ -2455,52 +2433,6 @@ elf_m68k_partition_multi_got (struct bfd_link_info *info) return TRUE; } -/* Specialized version of elf_m68k_get_got_entry that returns pointer - to hashtable slot, thus allowing removal of entry via - elf_m68k_remove_got_entry. */ - -static struct elf_m68k_got_entry ** -elf_m68k_find_got_entry_ptr (struct elf_m68k_got *got, - struct elf_m68k_got_entry_key *key) -{ - void **ptr; - struct elf_m68k_got_entry entry_; - struct elf_m68k_got_entry **entry_ptr; - - entry_.key_ = *key; - ptr = htab_find_slot (got->entries, &entry_, NO_INSERT); - BFD_ASSERT (ptr != NULL); - - entry_ptr = (struct elf_m68k_got_entry **) ptr; - - return entry_ptr; -} - -/* Remove entry pointed to by ENTRY_PTR from GOT. */ - -static void -elf_m68k_remove_got_entry (struct elf_m68k_got *got, - struct elf_m68k_got_entry **entry_ptr) -{ - struct elf_m68k_got_entry *entry; - - entry = *entry_ptr; - - /* Check that offsets have not been finalized yet. */ - BFD_ASSERT (got->offset == (bfd_vma) -1); - /* Check that this entry is indeed unused. */ - BFD_ASSERT (entry->u.s1.refcount == 0); - - elf_m68k_remove_got_entry_type (got, entry->key_.type); - - if (entry->key_.bfd != NULL) - got->local_n_slots -= elf_m68k_reloc_got_n_slots (entry->key_.type); - - BFD_ASSERT (got->n_slots[R_32] >= got->local_n_slots); - - htab_clear_slot (got->entries, (void **) entry_ptr); -} - /* Copy any information related to dynamic linking from a pre-existing symbol to a newly created symbol. Also called to copy flags and other back-end info to a weakdef, in which case the symbol is not @@ -2905,131 +2837,6 @@ elf_m68k_gc_mark_hook (asection *sec, return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); } - -/* Update the got entry reference counts for the section being removed. */ - -static bfd_boolean -elf_m68k_gc_sweep_hook (bfd *abfd, - struct bfd_link_info *info, - asection *sec, - const Elf_Internal_Rela *relocs) -{ - Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; - const Elf_Internal_Rela *rel, *relend; - bfd *dynobj; - struct elf_m68k_got *got; - - if (bfd_link_relocatable (info)) - return TRUE; - - dynobj = elf_hash_table (info)->dynobj; - if (dynobj == NULL) - return TRUE; - - symtab_hdr = &elf_tdata (abfd)->symtab_hdr; - sym_hashes = elf_sym_hashes (abfd); - got = NULL; - - relend = relocs + sec->reloc_count; - for (rel = relocs; rel < relend; rel++) - { - unsigned long r_symndx; - struct elf_link_hash_entry *h = NULL; - - r_symndx = ELF32_R_SYM (rel->r_info); - if (r_symndx >= symtab_hdr->sh_info) - { - h = sym_hashes[r_symndx - symtab_hdr->sh_info]; - while (h->root.type == bfd_link_hash_indirect - || h->root.type == bfd_link_hash_warning) - h = (struct elf_link_hash_entry *) h->root.u.i.link; - } - - switch (ELF32_R_TYPE (rel->r_info)) - { - case R_68K_GOT8: - case R_68K_GOT16: - case R_68K_GOT32: - if (h != NULL - && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) - break; - - /* FALLTHRU */ - case R_68K_GOT8O: - case R_68K_GOT16O: - case R_68K_GOT32O: - /* Fall through. */ - - /* TLS relocations. */ - case R_68K_TLS_GD8: - case R_68K_TLS_GD16: - case R_68K_TLS_GD32: - case R_68K_TLS_LDM8: - case R_68K_TLS_LDM16: - case R_68K_TLS_LDM32: - case R_68K_TLS_IE8: - case R_68K_TLS_IE16: - case R_68K_TLS_IE32: - - case R_68K_TLS_TPREL32: - case R_68K_TLS_DTPREL32: - - if (got == NULL) - { - got = elf_m68k_get_bfd2got_entry (elf_m68k_multi_got (info), - abfd, MUST_FIND, NULL)->got; - BFD_ASSERT (got != NULL); - } - - { - struct elf_m68k_got_entry_key key_; - struct elf_m68k_got_entry **got_entry_ptr; - struct elf_m68k_got_entry *got_entry; - - elf_m68k_init_got_entry_key (&key_, h, abfd, r_symndx, - ELF32_R_TYPE (rel->r_info)); - got_entry_ptr = elf_m68k_find_got_entry_ptr (got, &key_); - - got_entry = *got_entry_ptr; - - if (got_entry->u.s1.refcount > 0) - { - --got_entry->u.s1.refcount; - - if (got_entry->u.s1.refcount == 0) - /* We don't need the .got entry any more. */ - elf_m68k_remove_got_entry (got, got_entry_ptr); - } - } - break; - - case R_68K_PLT8: - case R_68K_PLT16: - case R_68K_PLT32: - case R_68K_PLT8O: - case R_68K_PLT16O: - case R_68K_PLT32O: - case R_68K_PC8: - case R_68K_PC16: - case R_68K_PC32: - case R_68K_8: - case R_68K_16: - case R_68K_32: - if (h != NULL) - { - if (h->plt.refcount > 0) - --h->plt.refcount; - } - break; - - default: - break; - } - } - - return TRUE; -} /* Return the type of PLT associated with OUTPUT_BFD. */ @@ -4826,7 +4633,6 @@ elf_m68k_add_symbol_hook (bfd *abfd, #define elf_backend_finish_dynamic_sections \ elf_m68k_finish_dynamic_sections #define elf_backend_gc_mark_hook elf_m68k_gc_mark_hook -#define elf_backend_gc_sweep_hook elf_m68k_gc_sweep_hook #define elf_backend_copy_indirect_symbol elf_m68k_copy_indirect_symbol #define bfd_elf32_bfd_merge_private_bfd_data \ elf32_m68k_merge_private_bfd_data |