diff options
Diffstat (limited to 'bfd/elf32-m68k.c')
| -rw-r--r-- | bfd/elf32-m68k.c | 140 |
1 files changed, 61 insertions, 79 deletions
diff --git a/bfd/elf32-m68k.c b/bfd/elf32-m68k.c index abb0eece33..fc3a2af744 100644 --- a/bfd/elf32-m68k.c +++ b/bfd/elf32-m68k.c @@ -1380,6 +1380,7 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section, Elf_Internal_Sym *sym; asection *sec; bfd_vma relocation; + bfd_boolean unresolved_reloc; bfd_reloc_status_type r; r_type = ELF32_R_TYPE (rel->r_info); @@ -1395,6 +1396,7 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section, h = NULL; sym = NULL; sec = NULL; + unresolved_reloc = FALSE; if (r_symndx < symtab_hdr->sh_info) { sym = local_syms + r_symndx; @@ -1407,71 +1409,29 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section, 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; + + relocation = 0; if (h->root.type == bfd_link_hash_defined || h->root.type == bfd_link_hash_defweak) { sec = h->root.u.def.section; - if (((r_type == R_68K_PLT8 - || r_type == R_68K_PLT16 - || r_type == R_68K_PLT32 - || r_type == R_68K_PLT8O - || r_type == R_68K_PLT16O - || r_type == R_68K_PLT32O) - && h->plt.offset != (bfd_vma) -1 - && elf_hash_table (info)->dynamic_sections_created) - || ((r_type == R_68K_GOT8O - || r_type == R_68K_GOT16O - || r_type == R_68K_GOT32O - || ((r_type == R_68K_GOT8 - || r_type == R_68K_GOT16 - || r_type == R_68K_GOT32) - && strcmp (h->root.root.string, - "_GLOBAL_OFFSET_TABLE_") != 0)) - && (WILL_CALL_FINISH_DYNAMIC_SYMBOL - (elf_hash_table (info)->dynamic_sections_created, - info->shared, h)) - && (! info->shared - || (! info->symbolic - && h->dynindx != -1 - && (h->elf_link_hash_flags - & ELF_LINK_FORCED_LOCAL) == 0) - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)) - || (info->shared - && ((! info->symbolic && h->dynindx != -1) - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0) - && ((input_section->flags & SEC_ALLOC) != 0 - /* DWARF will emit R_68K_32 relocations in its - sections against symbols defined externally - in shared libraries. We can't do anything - with them here. */ - || ((input_section->flags & SEC_DEBUGGING) != 0 - && (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_DYNAMIC) != 0)) - && (r_type == R_68K_8 - || r_type == R_68K_16 - || r_type == R_68K_32 - || r_type == R_68K_PC8 - || r_type == R_68K_PC16 - || r_type == R_68K_PC32))) - { - /* In these cases, we don't need the relocation - value. We check specially because in some - obscure cases sec->output_section will be NULL. */ - relocation = 0; - } + if (sec->output_section == NULL) + /* Set a flag that will be cleared later if we find a + relocation value for this symbol. output_section + is typically NULL for symbols satisfied by a shared + library. */ + unresolved_reloc = TRUE; else relocation = (h->root.u.def.value + sec->output_section->vma + sec->output_offset); } else if (h->root.type == bfd_link_hash_undefweak) - relocation = 0; + ; else if (info->shared && !info->no_undefined && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) - relocation = 0; + ; else { if (!(info->callbacks->undefined_symbol @@ -1480,7 +1440,6 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section, (!info->shared || info->no_undefined || ELF_ST_VISIBILITY (h->other))))) return FALSE; - relocation = 0; } } @@ -1546,6 +1505,8 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section, h->got.offset |= 1; } } + else + unresolved_reloc = FALSE; } else { @@ -1628,6 +1589,7 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section, relocation = (splt->output_section->vma + splt->output_offset + h->plt.offset); + unresolved_reloc = FALSE; break; case R_68K_PLT8O: @@ -1644,6 +1606,7 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section, } relocation = h->plt.offset; + unresolved_reloc = FALSE; /* This relocation does not use the addend. */ rel->r_addend = 0; @@ -1790,39 +1753,58 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section, break; } + /* Dynamic relocs are not propagated for SEC_DEBUGGING sections + because such sections are not SEC_ALLOC and thus ld.so will + not process them. */ + if (unresolved_reloc + && !((input_section->flags & SEC_DEBUGGING) != 0 + && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0)) + { + (*_bfd_error_handler) + (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"), + bfd_archive_filename (input_bfd), + bfd_get_section_name (input_bfd, input_section), + (long) rel->r_offset, + h->root.root.string); + return FALSE; + } + r = _bfd_final_link_relocate (howto, input_bfd, input_section, contents, rel->r_offset, relocation, rel->r_addend); if (r != bfd_reloc_ok) { - switch (r) + const char *name; + + if (h != NULL) + name = h->root.root.string; + else { - default: - case bfd_reloc_outofrange: - abort (); - case bfd_reloc_overflow: - { - const char *name; + name = bfd_elf_string_from_elf_section (input_bfd, + symtab_hdr->sh_link, + sym->st_name); + if (name == NULL) + return FALSE; + if (*name == '\0') + name = bfd_section_name (input_bfd, sec); + } - if (h != NULL) - name = h->root.root.string; - else - { - name = bfd_elf_string_from_elf_section (input_bfd, - symtab_hdr->sh_link, - sym->st_name); - if (name == NULL) - return FALSE; - if (*name == '\0') - name = bfd_section_name (input_bfd, sec); - } - if (!(info->callbacks->reloc_overflow - (info, name, howto->name, (bfd_vma) 0, - input_bfd, input_section, rel->r_offset))) - return FALSE; - } - break; + if (r == bfd_reloc_overflow) + { + if (!(info->callbacks->reloc_overflow + (info, name, howto->name, (bfd_vma) 0, + input_bfd, input_section, rel->r_offset))) + return FALSE; + } + else + { + (*_bfd_error_handler) + (_("%s(%s+0x%lx): reloc against `%s': error %d"), + bfd_archive_filename (input_bfd), + bfd_get_section_name (input_bfd, input_section), + (long) rel->r_offset, name, (int) r); + return FALSE; } } } @@ -2188,7 +2170,7 @@ bfd_m68k_elf32_create_embedded_relocs (abfd, info, datasec, relsec, errmsg) symtab_hdr = &elf_tdata (abfd)->symtab_hdr; /* Get a copy of the native relocations. */ - internal_relocs = (_bfd_elf32_link_read_relocs + internal_relocs = (_bfd_elf_link_read_relocs (abfd, datasec, (PTR) NULL, (Elf_Internal_Rela *) NULL, info->keep_memory)); if (internal_relocs == NULL) |