* elf32-cris.c (cris_elf_check_relocs): Don't assume

[deliverable/binutils-gdb.git] / bfd / elf-strtab.c

diff --git a/bfd/elf-strtab.c b/bfd/elf-strtab.c
index 7d2fad4e51762ecd052a3300db5ffd5e5656c112..61cedaedcc34d3a5c7c7639545a388ede9068de0 100644 (file)
--- a/bfd/elf-strtab.c
+++ b/bfd/elf-strtab.c
@@ -201,15 +201,41 @@ _bfd_elf_strtab_delref (struct elf_strtab_hash *tab, bfd_size_type idx)
   --tab->array[idx]->refcount;
 }
 
+unsigned int
+_bfd_elf_strtab_refcount (struct elf_strtab_hash *tab, bfd_size_type idx)
+{
+  return tab->array[idx]->refcount;
+}
+
 void
 _bfd_elf_strtab_clear_all_refs (struct elf_strtab_hash *tab)
 {
   bfd_size_type idx;
 
-  for (idx = 1; idx < tab->size; ++idx)
+  for (idx = 1; idx < tab->size; idx++)
     tab->array[idx]->refcount = 0;
 }
 
+/* Downsizes strtab.  Entries from IDX up to the current size are
+   removed from the array.  */
+void
+_bfd_elf_strtab_restore_size (struct elf_strtab_hash *tab, bfd_size_type idx)
+{
+  bfd_size_type curr_size = tab->size;
+
+  BFD_ASSERT (tab->sec_size == 0);
+  BFD_ASSERT (idx <= curr_size);
+  tab->size = idx;
+  for (; idx < curr_size; ++idx)
+    {
+      /* We don't remove entries from the hash table, just set their
+        REFCOUNT to zero.  Setting LEN zero will result in the size
+        growing if the entry is added again.  See _bfd_elf_strtab_add.  */
+      tab->array[idx]->refcount = 0;
+      tab->array[idx]->len = 0;
+    }
+}
+
 bfd_size_type
 _bfd_elf_strtab_size (struct elf_strtab_hash *tab)
 {