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Diffstat (limited to 'bfd/elflink.c')
-rw-r--r--bfd/elflink.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 1721f3f..9f1be5f 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -8996,7 +8996,28 @@ elf_gc_mark_dynamic_ref_symbol (struct elf_link_hash_entry *h,
return TRUE;
}
+
+/* Mark sections containing global symbols. This is called through
+ elf_link_hash_traverse. */
+static bfd_boolean
+elf_mark_used_section (struct elf_link_hash_entry *h,
+ void *global ATTRIBUTE_UNUSED)
+{
+ if (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))
+ {
+ asection *s = h->root.u.def.section->output_section;
+ if (s)
+ s->flags |= SEC_KEEP;
+ }
+
+ return TRUE;
+}
+
/* Do mark and sweep of unused sections. */
bfd_boolean
@@ -9008,6 +9029,17 @@ bfd_elf_gc_sections (bfd *abfd, struct bfd_link_info *info)
(asection *, struct bfd_link_info *, Elf_Internal_Rela *,
struct elf_link_hash_entry *h, Elf_Internal_Sym *);
+ if (!info->gc_sections)
+ {
+ /* If we are called when info->gc_sections is 0, we will mark
+ all sections containing global symbols for non-relocable
+ link. */
+ if (!info->relocatable)
+ elf_link_hash_traverse (elf_hash_table (info),
+ elf_mark_used_section, NULL);
+ return TRUE;
+ }
+
if (!get_elf_backend_data (abfd)->can_gc_sections
|| info->relocatable
|| info->emitrelocations