* elf64-ppc.c (ppc_build_one_stub): Don't duplicate relocs
authorAlan Modra <amodra@gmail.com>
Tue, 23 Oct 2007 12:54:17 +0000 (12:54 +0000)
committerAlan Modra <amodra@gmail.com>
Tue, 23 Oct 2007 12:54:17 +0000 (12:54 +0000)
emitted for ".brlt" entries.
(toc_adjusting_stub_needed): Don't treat ".fixup" specially here..
(ppc64_elf_next_input_section): ..instead do so here.

bfd/ChangeLog
bfd/elf64-ppc.c

index 55cfb10be257bd326b97ed2d3e5c3276aa50f631..4499f795220bdb97d99f87e123c726c3796e4c4d 100644 (file)
@@ -1,3 +1,10 @@
+2007-10-23  Alan Modra  <amodra@bigpond.net.au>
+
+       * elf64-ppc.c (ppc_build_one_stub): Don't duplicate relocs
+       emitted for ".brlt" entries.
+       (toc_adjusting_stub_needed): Don't treat ".fixup" specially here..
+       (ppc64_elf_next_input_section): ..instead do so here.
+
 2007-10-19  Nick Clifton  <nickc@redhat.com>
 
        * config.bfd: Recognise am34-linux-gnu target.
index a1c7d9b20a81af2eaa48bf11c42851dce829f105..b25ca3a7ac9f863643275031f58d4d374a5a9cbf 100644 (file)
@@ -8387,49 +8387,57 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
       bfd_put_64 (htab->brlt->owner, off,
                  htab->brlt->contents + br_entry->offset);
 
-      if (htab->relbrlt != NULL)
-       {
-         /* Create a reloc for the branch lookup table entry.  */
-         Elf_Internal_Rela rela;
-         bfd_byte *rl;
-
-         rela.r_offset = (br_entry->offset
-                          + htab->brlt->output_offset
-                          + htab->brlt->output_section->vma);
-         rela.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
-         rela.r_addend = off;
-
-         rl = htab->relbrlt->contents;
-         rl += htab->relbrlt->reloc_count++ * sizeof (Elf64_External_Rela);
-         bfd_elf64_swap_reloca_out (htab->relbrlt->owner, &rela, rl);
-       }
-      else if (info->emitrelocations)
+      if (br_entry->iter == htab->stub_iteration)
        {
-         Elf_Internal_Rela *relocs, *r;
-         struct bfd_elf_section_data *elfsec_data;
+         br_entry->iter = 0;
 
-         elfsec_data = elf_section_data (htab->brlt);
-         relocs = elfsec_data->relocs;
-         if (relocs == NULL)
+         if (htab->relbrlt != NULL)
            {
-             bfd_size_type relsize;
-             relsize = htab->brlt->reloc_count * sizeof (*relocs);
-             relocs = bfd_alloc (htab->brlt->owner, relsize);
+             /* Create a reloc for the branch lookup table entry.  */
+             Elf_Internal_Rela rela;
+             bfd_byte *rl;
+
+             rela.r_offset = (br_entry->offset
+                              + htab->brlt->output_offset
+                              + htab->brlt->output_section->vma);
+             rela.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
+             rela.r_addend = off;
+
+             rl = htab->relbrlt->contents;
+             rl += (htab->relbrlt->reloc_count++
+                    * sizeof (Elf64_External_Rela));
+             bfd_elf64_swap_reloca_out (htab->relbrlt->owner, &rela, rl);
+           }
+         else if (info->emitrelocations)
+           {
+             Elf_Internal_Rela *relocs, *r;
+             struct bfd_elf_section_data *elfsec_data;
+
+             elfsec_data = elf_section_data (htab->brlt);
+             relocs = elfsec_data->relocs;
              if (relocs == NULL)
-               return FALSE;
-             elfsec_data->relocs = relocs;
-             elfsec_data->rel_hdr.sh_size = (stub_entry->stub_sec->reloc_count
-                                             * sizeof (Elf64_External_Rela));
-             elfsec_data->rel_hdr.sh_entsize = sizeof (Elf64_External_Rela);
-             htab->brlt->reloc_count = 0;
+               {
+                 bfd_size_type relsize;
+                 relsize = htab->brlt->reloc_count * sizeof (*relocs);
+                 relocs = bfd_alloc (htab->brlt->owner, relsize);
+                 if (relocs == NULL)
+                   return FALSE;
+                 elfsec_data->relocs = relocs;
+                 elfsec_data->rel_hdr.sh_size
+                   = (stub_entry->stub_sec->reloc_count
+                      * sizeof (Elf64_External_Rela));
+                 elfsec_data->rel_hdr.sh_entsize
+                   = sizeof (Elf64_External_Rela);
+                 htab->brlt->reloc_count = 0;
+               }
+             r = relocs + htab->brlt->reloc_count;
+             htab->brlt->reloc_count += 1;
+             r->r_offset = (br_entry->offset
+                            + htab->brlt->output_offset
+                            + htab->brlt->output_section->vma);
+             r->r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
+             r->r_addend = off;
            }
-         r = relocs + htab->brlt->reloc_count;
-         htab->brlt->reloc_count += 1;
-         r->r_offset = (br_entry->offset
-                        + htab->brlt->output_offset
-                        + htab->brlt->output_section->vma);
-         r->r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
-         r->r_addend = off;
        }
 
       off = (br_entry->offset
@@ -8865,11 +8873,6 @@ toc_adjusting_stub_needed (struct bfd_link_info *info, asection *isec)
   if (isec->output_section == NULL)
     return 0;
 
-  /* Hack for linux kernel.  .fixup contains branches, but only back to
-     the function that hit an exception.  */
-  if (strcmp (isec->name, ".fixup") == 0)
-    return 0;
-
   if (isec->reloc_count == 0)
     return 0;
 
@@ -9074,8 +9077,13 @@ ppc64_elf_next_input_section (struct bfd_link_info *info, asection *isec)
       /* If a code section has a function that uses the TOC then we need
         to use the right TOC (obviously).  Also, make sure that .opd gets
         the correct TOC value for R_PPC64_TOC relocs that don't have or
-        can't find their function symbol (shouldn't ever happen now).  */
-      if (isec->has_toc_reloc || (isec->flags & SEC_CODE) == 0)
+        can't find their function symbol (shouldn't ever happen now).
+        Also specially treat .fixup for the linux kernel.  .fixup
+        contains branches, but only back to the function that hit an
+        exception.  */
+      if (isec->has_toc_reloc
+         || (isec->flags & SEC_CODE) == 0
+         || strcmp (isec->name, ".fixup") == 0)
        {
          if (elf_gp (isec->owner) != 0)
            htab->toc_curr = elf_gp (isec->owner);