aboutsummaryrefslogtreecommitdiff
path: root/bfd/elflink.c
diff options
context:
space:
mode:
Diffstat (limited to 'bfd/elflink.c')
-rw-r--r--bfd/elflink.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 987de89..29523c4 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -12281,6 +12281,28 @@ _bfd_elf_section_already_linked (bfd *abfd, asection *sec,
}
}
+ /* Do not complain on unresolved relocations in `.gnu.linkonce.r.F'
+ referencing its discarded `.gnu.linkonce.t.F' counterpart - g++-3.4
+ specific as g++-4.x is using COMDAT groups (without the `.gnu.linkonce'
+ prefix) instead. `.gnu.linkonce.r.*' were the `.rodata' part of its
+ matching `.gnu.linkonce.t.*'. If `.gnu.linkonce.r.F' is not discarded
+ but its `.gnu.linkonce.t.F' is discarded means we chose one-only
+ `.gnu.linkonce.t.F' section from a different bfd not requiring any
+ `.gnu.linkonce.r.F'. Thus `.gnu.linkonce.r.F' should be discarded.
+ The reverse order cannot happen as there is never a bfd with only the
+ `.gnu.linkonce.r.F' section. The order of sections in a bfd does not
+ matter as here were are looking only for cross-bfd sections. */
+
+ if ((flags & SEC_GROUP) == 0 && CONST_STRNEQ (name, ".gnu.linkonce.r."))
+ for (l = already_linked_list->entry; l != NULL; l = l->next)
+ if ((l->sec->flags & SEC_GROUP) == 0
+ && CONST_STRNEQ (l->sec->name, ".gnu.linkonce.t."))
+ {
+ if (abfd != l->sec->owner)
+ sec->output_section = bfd_abs_section_ptr;
+ break;
+ }
+
/* This is the first section with this name. Record it. */
if (! bfd_section_already_linked_table_insert (already_linked_list, sec))
info->callbacks->einfo (_("%F%P: already_linked_table: %E"));