bfd/elfnn-aarch64.c: Handle static links with ifunc correctly.

[platform/upstream/binutils.git] / bfd / elfnn-aarch64.c

diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index 7cce6f4..6a42bc5 100644 (file)
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -6824,7 +6824,34 @@ elfNN_aarch64_finish_dynamic_symbol (bfd *output_bfd,
                       + htab->root.sgot->output_offset
                       + (h->got.offset & ~(bfd_vma) 1));
 
-      if (info->shared && SYMBOL_REFERENCES_LOCAL (info, h))
+      if (h->def_regular
+         && h->type == STT_GNU_IFUNC)
+       {
+         if (info->shared)
+           {
+             /* Generate R_AARCH64_GLOB_DAT.  */
+             goto do_glob_dat;
+           }
+         else
+           {
+             asection *plt;
+
+             if (!h->pointer_equality_needed)
+               abort ();
+
+             /* For non-shared object, we can't use .got.plt, which
+                contains the real function address if we need pointer
+                equality.  We load the GOT entry with the PLT entry.  */
+             plt = htab->root.splt ? htab->root.splt : htab->root.iplt;
+             bfd_put_NN (output_bfd, (plt->output_section->vma
+                                      + plt->output_offset
+                                      + h->plt.offset),
+                         htab->root.sgot->contents
+                         + (h->got.offset & ~(bfd_vma) 1));
+             return TRUE;
+           }
+       }
+      else if (info->shared && SYMBOL_REFERENCES_LOCAL (info, h))
        {
          if (!h->def_regular)
            return FALSE;
@@ -6837,6 +6864,7 @@ elfNN_aarch64_finish_dynamic_symbol (bfd *output_bfd,
        }
       else
        {
+do_glob_dat:
          BFD_ASSERT ((h->got.offset & 1) == 0);
          bfd_put_NN (output_bfd, (bfd_vma) 0,
                      htab->root.sgot->contents + h->got.offset);