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Better handking for unresolved symbols

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This commit is contained in:
Nick Clifton 2003-08-20 08:37:19 +00:00
parent 04d1ab347d
commit 560e09e9cc
35 changed files with 679 additions and 978 deletions
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70
bfd/elf32-arm.h
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@ -1963,19 +1963,16 @@ elf32_arm_relocate_section (output_bfd, info, input_bfd, input_section,
}
else
{
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
bfd_boolean warned;
bfd_boolean unresolved_reloc;
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;
if ( h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
RELOC_FOR_GLOBAL_SYMBOL (h, sym_hashes, r_symndx,
symtab_hdr, relocation,
sec, unresolved_reloc, info,
warned);
if (unresolved_reloc || relocation != 0)
{
int relocation_needed = 1;
sec = h->root.u.def.section;
/* In these cases, we don't need the relocation value.
We check specially because in some obscure cases
sec->output_section will be NULL. */
@ -1998,64 +1995,39 @@ elf32_arm_relocate_section (output_bfd, info, input_bfd, input_section,
&& (h->elf_link_hash_flags
& ELF_LINK_HASH_DEF_DYNAMIC) != 0))
)
relocation_needed = 0;
relocation = 0;
break;
case R_ARM_GOTPC:
relocation_needed = 0;
relocation = 0;
break;
case R_ARM_GOT32:
if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL
(elf_hash_table(info)->dynamic_sections_created,
(elf_hash_table (info)->dynamic_sections_created,
info->shared, h))
&& (!info->shared
|| (!info->symbolic && h->dynindx != -1)
|| (h->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR) == 0))
relocation_needed = 0;
relocation = 0;
break;
case R_ARM_PLT32:
if (h->plt.offset != (bfd_vma)-1)
relocation_needed = 0;
relocation = 0;
break;
default:
if (sec->output_section == NULL)
{
(*_bfd_error_handler)
(_("%s: warning: unresolvable relocation %d against symbol `%s' from %s section"),
bfd_archive_filename (input_bfd),
r_type,
h->root.root.string,
bfd_get_section_name (input_bfd, input_section));
relocation_needed = 0;
}
if (unresolved_reloc)
_bfd_error_handler
(_("%s: warning: unresolvable relocation %d against symbol `%s' from %s section"),
bfd_archive_filename (input_bfd),
r_type,
h->root.root.string,
bfd_get_section_name (input_bfd, input_section));
break;
}
if (relocation_needed)
relocation = h->root.u.def.value
+ sec->output_section->vma
+ sec->output_offset;
else
relocation = 0;
}
else if (h->root.type == bfd_link_hash_undefweak)
relocation = 0;
else if (info->shared && !info->symbolic
&& !info->no_undefined
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
relocation = 0;
else
{
if (!((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd,
input_section, rel->r_offset,
(!info->shared || info->no_undefined
|| ELF_ST_VISIBILITY (h->other)))))
return FALSE;
relocation = 0;
}
}