break;
}
+ /* Differentiate strong and weak symbols. */
+ newweak = bind == STB_WEAK;
+ oldweak = (h->root.type == bfd_link_hash_defweak
+ || h->root.type == bfd_link_hash_undefweak);
+
/* In cases involving weak versioned symbols, we may wind up trying
to merge a symbol with itself. Catch that here, to avoid the
confusion that results if we try to override a symbol with
_GLOBAL_OFFSET_TABLE_, which are regular symbols defined in a
dynamic object, which we do want to handle here. */
if (abfd == oldbfd
+ && (newweak || oldweak)
&& ((abfd->flags & DYNAMIC) == 0
|| !h->def_regular))
return TRUE;
return TRUE;
}
- /* Differentiate strong and weak symbols. */
- newweak = bind == STB_WEAK;
- oldweak = (h->root.type == bfd_link_hash_defweak
- || h->root.type == bfd_link_hash_undefweak);
-
if (bind == STB_GNU_UNIQUE)
h->unique_global = 1;
{
if (! dynamic)
{
- if (info->shared
+ if (! info->executable
|| hi->ref_dynamic)
*dynsym = TRUE;
}
{
if (! dynamic)
{
- if (info->shared
+ if (! info->executable
|| hi->ref_dynamic)
*dynsym = TRUE;
}
return FALSE;
}
}
- else if (r_symndx != 0)
+ else if (r_symndx != STN_UNDEF)
{
(*_bfd_error_handler)
(_("%B: non-zero symbol index (0x%lx) for offset 0x%lx in section `%A'"
bfd_boolean
_bfd_elf_dynamic_symbol_p (struct elf_link_hash_entry *h,
struct bfd_link_info *info,
- bfd_boolean ignore_protected)
+ bfd_boolean not_local_protected)
{
bfd_boolean binding_stays_local_p;
const struct elf_backend_data *bed;
/* Proper resolution for function pointer equality may require
that these symbols perhaps be resolved dynamically, even though
we should be resolving them to the current module. */
- if (!ignore_protected || !bed->is_function_type (h->type))
+ if (!not_local_protected || !bed->is_function_type (h->type))
binding_stays_local_p = TRUE;
break;
}
/* If it isn't defined locally, then clearly it's dynamic. */
- if (!h->def_regular)
+ if (!h->def_regular && !ELF_COMMON_DEF_P (h))
return TRUE;
/* Otherwise, the symbol is dynamic if binding rules don't tell
/* Return true if the symbol referred to by H should be considered
to resolve local to the current module, and false otherwise. Differs
from (the inverse of) _bfd_elf_dynamic_symbol_p in the treatment of
- undefined symbols and weak symbols. */
+ undefined symbols. The two functions are virtually identical except
+ for the place where forced_local and dynindx == -1 are tested. If
+ either of those tests are true, _bfd_elf_dynamic_symbol_p will say
+ the symbol is local, while _bfd_elf_symbol_refs_local_p will say
+ the symbol is local only for defined symbols.
+ It might seem that _bfd_elf_dynamic_symbol_p could be rewritten as
+ !_bfd_elf_symbol_refs_local_p, except that targets differ in their
+ treatment of undefined weak symbols. For those that do not make
+ undefined weak symbols dynamic, both functions may return false. */
bfd_boolean
_bfd_elf_symbol_refs_local_p (struct elf_link_hash_entry *h,
h = (struct elf_link_hash_entry *) h->root.u.i.link;
*sym_hash = h;
- h->unique_global = (flags & BSF_GNU_UNIQUE) != 0;
+ if (is_elf_hash_table (htab))
+ h->unique_global = (flags & BSF_GNU_UNIQUE) != 0;
new_weakdef = FALSE;
if (dynamic
if (! dynamic
&& is_elf_hash_table (htab)
&& bed->check_relocs != NULL
+ && elf_object_id (abfd) == elf_hash_table_id (htab)
&& (*bed->relocs_compatible) (abfd->xvec, info->output_bfd->xvec))
{
asection *o;
Therefore the result is always a good payoff between few collisions
(= short chain lengths) and table size. */
static size_t
-compute_bucket_count (struct bfd_link_info *info,
+compute_bucket_count (struct bfd_link_info *info ATTRIBUTE_UNUSED,
unsigned long int *hashcodes ATTRIBUTE_UNUSED,
unsigned long int nsyms,
int gnu_hash)
const struct elf_backend_data *bed = get_elf_backend_data (dynobj);
unsigned long int *counts;
bfd_size_type amt;
+ unsigned int no_improvement_count = 0;
/* Possible optimization parameters: if we have NSYMS symbols we say
that the hashing table must at least have NSYMS/4 and at most
{
best_chlen = max;
best_size = i;
+ no_improvement_count = 0;
}
+ /* PR 11843: Avoid futile long searches for the best bucket size
+ when there are a large number of symbols. */
+ else if (++no_improvement_count == 100)
+ break;
}
free (counts);
ignore_undef = bed->elf_backend_ignore_undef_symbol (h);
/* If we are reporting errors for this situation then do so now. */
- if (ignore_undef == FALSE
+ if (!ignore_undef
&& h->ref_dynamic
&& (!h->ref_regular || finfo->info->gc_sections)
&& ! elf_link_check_versioned_symbol (finfo->info, bed, h)
discarded section. */
if ((sec = *ps) != NULL && elf_discarded_section (sec))
{
- BFD_ASSERT (r_symndx != 0);
+ BFD_ASSERT (r_symndx != STN_UNDEF);
if (action_discarded & COMPLAIN)
(*finfo->info->callbacks->einfo)
(_("%X`%s' referenced in section `%A' of %B: "
/* I suppose the backend ought to fill in the
section of any STT_SECTION symbol against a
processor specific section. */
- r_symndx = 0;
+ r_symndx = STN_UNDEF;
if (bfd_is_abs_section (sec))
;
else if (sec == NULL || sec->owner == NULL)
if (!bfd_is_abs_section (osec))
{
r_symndx = osec->target_index;
- if (r_symndx == 0)
+ if (r_symndx == STN_UNDEF)
{
struct elf_link_hash_table *htab;
asection *oi;
}
}
- BFD_ASSERT (r_symndx != 0);
+ BFD_ASSERT (r_symndx != STN_UNDEF);
}
}
{
/* FIXME: octets_per_byte. */
if (! (o->flags & SEC_EXCLUDE)
- && ! (o->output_section->flags & SEC_NEVER_LOAD)
&& ! bfd_set_section_contents (output_bfd, o->output_section,
contents,
(file_ptr) o->output_offset,
{
size_t ext_size;
- ext_size = elf_section_data (sec)->rel_hdr.sh_size;
+ ext_size = esdi->rel_hdr.sh_size;
+ if (esdi->rel_hdr2 != NULL)
+ ext_size += esdi->rel_hdr2->sh_size;
+
if (ext_size > max_external_reloc_size)
max_external_reloc_size = ext_size;
if (sec->reloc_count > max_internal_reloc_count)
struct elf_link_hash_entry *h;
r_symndx = cookie->rel->r_info >> cookie->r_sym_shift;
- if (r_symndx == 0)
+ if (r_symndx == STN_UNDEF)
return NULL;
if (r_symndx >= cookie->locsymcount
continue;
r_symndx = rcookie->rel->r_info >> rcookie->r_sym_shift;
- if (r_symndx == SHN_UNDEF)
+ if (r_symndx == STN_UNDEF)
return TRUE;
if (r_symndx >= rcookie->locsymcount
projects / deliverable / binutils-gdb.git / blobdiff