You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
/* SECTION
const char *
bfd_elf_sym_name (bfd *abfd,
Elf_Internal_Shdr *symtab_hdr,
- Elf_Internal_Sym *isym)
+ Elf_Internal_Sym *isym,
+ asection *sym_sec)
{
+ const char *name;
unsigned int iname = isym->st_name;
unsigned int shindex = symtab_hdr->sh_link;
+
if (iname == 0 && ELF_ST_TYPE (isym->st_info) == STT_SECTION
/* Check for a bogus st_shndx to avoid crashing. */
&& isym->st_shndx < elf_numsections (abfd)
shindex = elf_elfheader (abfd)->e_shstrndx;
}
- return bfd_elf_string_from_elf_section (abfd, shindex, iname);
+ name = bfd_elf_string_from_elf_section (abfd, shindex, iname);
+ if (name == NULL)
+ name = "(null)";
+ else if (sym_sec && *name == '\0')
+ name = bfd_section_name (abfd, sym_sec);
+
+ return name;
}
/* Elf_Internal_Shdr->contents is an array of these for SHT_GROUP
&isym, esym, &eshndx) == NULL)
return NULL;
- return bfd_elf_sym_name (abfd, hdr, &isym);
+ return bfd_elf_sym_name (abfd, hdr, &isym, NULL);
}
/* Set next_in_group list pointer, and group name for NEWSECT. */
}
if (num_group == 0)
- num_group = (unsigned) -1;
- elf_tdata (abfd)->num_group = num_group;
-
- if (num_group > 0)
+ {
+ num_group = (unsigned) -1;
+ elf_tdata (abfd)->num_group = num_group;
+ }
+ else
{
/* We keep a list of elf section headers for group sections,
so we can find them quickly. */
- bfd_size_type amt = num_group * sizeof (Elf_Internal_Shdr *);
+ bfd_size_type amt;
+
+ elf_tdata (abfd)->num_group = num_group;
+ amt = num_group * sizeof (Elf_Internal_Shdr *);
elf_tdata (abfd)->group_sect_ptr = bfd_alloc (abfd, amt);
if (elf_tdata (abfd)->group_sect_ptr == NULL)
return FALSE;
sec->used_by_bfd = sdata;
}
- elf_section_type (sec) = SHT_NULL;
- ssect = _bfd_elf_get_sec_type_attr (abfd, sec->name);
- if (ssect != NULL)
+ /* When we read a file, we don't need section type and flags unless
+ it is a linker created section. They will be overridden in
+ _bfd_elf_make_section_from_shdr anyway. */
+ if (abfd->direction != read_direction
+ || (sec->flags & SEC_LINKER_CREATED) != 0)
{
- elf_section_type (sec) = ssect->type;
- elf_section_flags (sec) = ssect->attr;
+ ssect = _bfd_elf_get_sec_type_attr (abfd, sec->name);
+ if (ssect != NULL)
+ {
+ elf_section_type (sec) = ssect->type;
+ elf_section_flags (sec) = ssect->attr;
+ }
}
/* Indicate whether or not this section should use RELA relocations. */
struct bfd_link_order *l;
asection *elt;
- for (l = asect->link_order_head; l != NULL; l = l->next)
+ for (l = asect->map_head.link_order; l != NULL; l = l->next)
if (l->type == bfd_indirect_link_order
&& (elt = elf_next_in_group (l->u.indirect.section)) != NULL)
do
struct bfd_link_order *o;
this_hdr->sh_size = 0;
- for (o = asect->link_order_head; o != NULL; o = o->next)
+ for (o = asect->map_head.link_order; o != NULL; o = o->next)
if (this_hdr->sh_size < o->offset + o->size)
this_hdr->sh_size = o->offset + o->size;
if (this_hdr->sh_size)
struct bfd_link_order *l;
bfd_boolean gas;
- if (elf_section_data (sec)->this_hdr.sh_type != SHT_GROUP
+ /* Ignore linker created group section. See elfNN_ia64_object_p in
+ elfxx-ia64.c. */
+ if (((sec->flags & (SEC_GROUP | SEC_LINKER_CREATED)) != SEC_GROUP)
|| *failedptr)
return;
/* If this is a relocatable link, then the above did nothing because
SEC is the output section. Look through the input sections
instead. */
- for (l = sec->link_order_head; l != NULL; l = l->next)
+ for (l = sec->map_head.link_order; l != NULL; l = l->next)
if (l->type == bfd_indirect_link_order
&& (elt = elf_next_in_group (l->u.indirect.section)) != NULL)
do
in here too, while we're at it. */
static bfd_boolean
-assign_section_numbers (bfd *abfd)
+assign_section_numbers (bfd *abfd, struct bfd_link_info *link_info)
{
struct elf_obj_tdata *t = elf_tdata (abfd);
asection *sec;
_bfd_elf_strtab_clear_all_refs (elf_shstrtab (abfd));
- /* Put SHT_GROUP sections first. */
- for (sec = abfd->sections; sec; sec = sec->next)
+ /* SHT_GROUP sections are in relocatable files only. */
+ if (link_info == NULL || link_info->relocatable)
{
- d = elf_section_data (sec);
-
- if (d->this_hdr.sh_type == SHT_GROUP)
+ /* Put SHT_GROUP sections first. */
+ for (sec = abfd->sections; sec != NULL; sec = sec->next)
{
- if (section_number == SHN_LORESERVE)
- section_number += SHN_HIRESERVE + 1 - SHN_LORESERVE;
- d->this_idx = section_number++;
+ d = elf_section_data (sec);
+
+ if (d->this_hdr.sh_type == SHT_GROUP)
+ {
+ if (sec->flags & SEC_LINKER_CREATED)
+ {
+ /* Remove the linker created SHT_GROUP sections. */
+ bfd_section_list_remove (abfd, sec);
+ abfd->section_count--;
+ }
+ else
+ {
+ if (section_number == SHN_LORESERVE)
+ section_number += SHN_HIRESERVE + 1 - SHN_LORESERVE;
+ d->this_idx = section_number++;
+ }
+ }
}
}
/* Find out what the corresponding section in output
is. */
- for (p = sec->link_order_head; p != NULL; p = p->next)
+ for (p = sec->map_head.link_order; p != NULL; p = p->next)
{
s = p->u.indirect.section;
if (p->type == bfd_indirect_link_order
elfsec = elf_shdrp[elfsec]->sh_link;
/* PR 290:
The Intel C compiler generates SHT_IA_64_UNWIND with
- SHF_LINK_ORDER. But it doesn't set theh sh_link or
+ SHF_LINK_ORDER. But it doesn't set the sh_link or
sh_info fields. Hence we could get the situation
where elfsec is 0. */
if (elfsec == 0)
}
else
{
- s = elf_shdrp[elfsec]->bfd_section->output_section;
+ s = elf_shdrp[elfsec]->bfd_section;
+ if (elf_discarded_section (s))
+ {
+ asection *kept;
+ (*_bfd_error_handler)
+ (_("%B: sh_link of section `%A' points to discarded section `%A' of `%B'"),
+ abfd, d->this_hdr.bfd_section,
+ s, s->owner);
+ /* Point to the kept section if it has
+ the same size as the discarded
+ one. */
+ kept = _bfd_elf_check_kept_section (s);
+ if (kept == NULL)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+ s = kept;
+ }
+ s = s->output_section;
BFD_ASSERT (s != NULL);
d->this_hdr.sh_link = elf_section_data (s)->this_idx;
}
if (failed)
return FALSE;
- if (!assign_section_numbers (abfd))
+ if (!assign_section_numbers (abfd, link_info))
return FALSE;
/* The backend linker builds symbol table information itself. */
struct bfd_link_order *o;
bfd_vma tbss_size = 0;
- for (o = sec->link_order_head; o != NULL; o = o->next)
+ for (o = sec->map_head.link_order; o != NULL; o = o->next)
if (tbss_size < o->offset + o->size)
tbss_size = o->offset + o->size;
/* Set things up for objcopy. The output SHT_GROUP section will
have its elf_next_in_group pointing back to the input group
- members. */
- elf_next_in_group (osec) = elf_next_in_group (isec);
- elf_group_name (osec) = elf_group_name (isec);
+ members. Ignore linker created group section. See
+ elfNN_ia64_object_p in elfxx-ia64.c. */
+ if (elf_sec_group (isec) == NULL
+ || (elf_sec_group (isec)->flags & SEC_LINKER_CREATED) == 0)
+ {
+ elf_next_in_group (osec) = elf_next_in_group (isec);
+ elf_group_name (osec) = elf_group_name (isec);
+ }
osec->use_rela_p = isec->use_rela_p;
{
if (elf_shstrtab (abfd) != NULL)
_bfd_elf_strtab_free (elf_shstrtab (abfd));
+ _bfd_dwarf2_cleanup_debug_info (abfd);
}
return _bfd_generic_close_and_cleanup (abfd);