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[deliverable/binutils-gdb.git] / bfd / elf64-ppc.c

diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index 46e82471e95788c7aced2002b7745910880baf5f..e67bb8f395fb1b31af2aaa059f880adf9f439446 100644 (file)
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -4308,7 +4308,7 @@ create_got_section (bfd *abfd, struct bfd_link_info *info)
       if (! _bfd_elf_create_got_section (htab->elf.dynobj, info))
        return FALSE;
 
-      htab->got = bfd_get_section_by_name (htab->elf.dynobj, ".got");
+      htab->got = bfd_get_linker_section (htab->elf.dynobj, ".got");
       if (!htab->got)
        abort ();
     }
@@ -4347,12 +4347,12 @@ ppc64_elf_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
     return FALSE;
 
   if (!htab->got)
-    htab->got = bfd_get_section_by_name (dynobj, ".got");
-  htab->plt = bfd_get_section_by_name (dynobj, ".plt");
-  htab->relplt = bfd_get_section_by_name (dynobj, ".rela.plt");
-  htab->dynbss = bfd_get_section_by_name (dynobj, ".dynbss");
+    htab->got = bfd_get_linker_section (dynobj, ".got");
+  htab->plt = bfd_get_linker_section (dynobj, ".plt");
+  htab->relplt = bfd_get_linker_section (dynobj, ".rela.plt");
+  htab->dynbss = bfd_get_linker_section (dynobj, ".dynbss");
   if (!info->shared)
-    htab->relbss = bfd_get_section_by_name (dynobj, ".rela.bss");
+    htab->relbss = bfd_get_linker_section (dynobj, ".rela.bss");
 
   if (!htab->got || !htab->plt || !htab->relplt || !htab->dynbss
       || (!info->shared && !htab->relbss))
@@ -9140,7 +9140,7 @@ ppc64_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
       /* Set the contents of the .interp section to the interpreter.  */
       if (info->executable)
        {
-         s = bfd_get_section_by_name (dynobj, ".interp");
+         s = bfd_get_linker_section (dynobj, ".interp");
          if (s == NULL)
            abort ();
          s->size = sizeof ELF_DYNAMIC_INTERPRETER;
@@ -10554,7 +10554,9 @@ ppc64_elf_next_toc_section (struct bfd_link_info *info, asection *isec)
   if (!htab->second_toc_pass)
     {
       /* Keep track of the first .toc or .got section for this input bfd.  */
-      if (htab->toc_bfd != isec->owner)
+      bfd_boolean new_bfd = htab->toc_bfd != isec->owner;
+
+      if (new_bfd)
        {
          htab->toc_bfd = isec->owner;
          htab->toc_first_sec = isec;
@@ -10582,7 +10584,8 @@ ppc64_elf_next_toc_section (struct bfd_link_info *info, asection *isec)
 
       /* Die if someone uses a linker script that doesn't keep input
         file .toc and .got together.  */
-      if (elf_gp (isec->owner) != 0
+      if (new_bfd
+         && elf_gp (isec->owner) != 0
          && elf_gp (isec->owner) != off)
        return FALSE;
 
@@ -12246,7 +12249,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
   for (; rel < relend; rel++)
     {
       enum elf_ppc64_reloc_type r_type;
-      bfd_vma addend, orig_addend;
+      bfd_vma addend;
       bfd_reloc_status_type r;
       Elf_Internal_Sym *sym;
       asection *sec;
@@ -12266,6 +12269,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
       struct ppc_stub_hash_entry *stub_entry;
       bfd_vma max_br_offset;
       bfd_vma from;
+      const Elf_Internal_Rela orig_rel = *rel;
 
       r_type = ELF64_R_TYPE (rel->r_info);
       r_symndx = ELF64_R_SYM (rel->r_info);
@@ -12285,7 +12289,6 @@ ppc64_elf_relocate_section (bfd *output_bfd,
       sym_name = NULL;
       unresolved_reloc = FALSE;
       warned = FALSE;
-      orig_addend = rel->r_addend;
 
       if (r_symndx < symtab_hdr->sh_info)
        {
@@ -12325,6 +12328,33 @@ ppc64_elf_relocate_section (bfd *output_bfd,
                                   unresolved_reloc, warned);
          sym_name = h_elf->root.root.string;
          sym_type = h_elf->type;
+         if (sec != NULL
+             && sec->owner == output_bfd
+             && strcmp (sec->name, ".opd") == 0)
+           {
+             /* This is a symbol defined in a linker script.  All
+                such are defined in output sections, even those
+                defined by simple assignment from a symbol defined in
+                an input section.  Transfer the symbol to an
+                appropriate input .opd section, so that a branch to
+                this symbol will be mapped to the location specified
+                by the opd entry.  */
+             struct bfd_link_order *lo;
+             for (lo = sec->map_head.link_order; lo != NULL; lo = lo->next)
+               if (lo->type == bfd_indirect_link_order)
+                 {
+                   asection *isec = lo->u.indirect.section;
+                   if (h_elf->root.u.def.value >= isec->output_offset
+                       && h_elf->root.u.def.value < (isec->output_offset
+                                                     + isec->size))
+                     {
+                       h_elf->root.u.def.value -= isec->output_offset;
+                       h_elf->root.u.def.section = isec;
+                       sec = isec;
+                       break;
+                     }
+                 }
+           }
        }
       h = (struct ppc_link_hash_entry *) h_elf;
 
@@ -12847,7 +12877,8 @@ ppc64_elf_relocate_section (bfd *output_bfd,
              && h->oh != NULL
              && h->oh->is_func_descriptor)
            fdh = ppc_follow_link (h->oh);
-         stub_entry = ppc_get_stub_entry (input_section, sec, fdh, rel, htab);
+         stub_entry = ppc_get_stub_entry (input_section, sec, fdh, &orig_rel,
+                                          htab);
          if (stub_entry != NULL
              && (stub_entry->stub_type == ppc_stub_plt_call
                  || stub_entry->stub_type == ppc_stub_plt_call_r2save
@@ -13115,6 +13146,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
                      ;
                    else
                      {
+                       BFD_ASSERT (h->elf.dynindx != -1);
                        indx = h->elf.dynindx;
                        unresolved_reloc = FALSE;
                      }
@@ -13128,7 +13160,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
                  }
 
                for (; ent != NULL; ent = ent->next)
-                 if (ent->addend == orig_addend
+                 if (ent->addend == orig_rel.r_addend
                      && ent->owner == input_bfd
                      && ent->tls_type == tls_type)
                    break;
@@ -13281,7 +13313,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
            {
              struct plt_entry *ent;
              for (ent = h->elf.plt.plist; ent != NULL; ent = ent->next)
-               if (ent->addend == orig_addend
+               if (ent->addend == orig_rel.r_addend
                    && ent->plt.offset != (bfd_vma) -1)
                  {
                    relocation = (htab->plt->output_section->vma
@@ -13487,7 +13519,10 @@ ppc64_elf_relocate_section (bfd *output_bfd,
              else if (!SYMBOL_CALLS_LOCAL (info, &h->elf)
                       && !is_opd
                       && r_type != R_PPC64_TOC)
-               outrel.r_info = ELF64_R_INFO (h->elf.dynindx, r_type);
+               {
+                 BFD_ASSERT (h->elf.dynindx != -1);
+                 outrel.r_info = ELF64_R_INFO (h->elf.dynindx, r_type);
+               }
              else
                {
                  /* This symbol is local, or marked to become local,
@@ -13850,7 +13885,8 @@ ppc64_elf_relocate_section (bfd *output_bfd,
              if (!((*info->callbacks->reloc_overflow)
                    (info, (h ? &h->elf.root : NULL), sym_name,
                     ppc64_elf_howto_table[r_type]->name,
-                    orig_addend, input_bfd, input_section, rel->r_offset)))
+                    orig_rel.r_addend, input_bfd, input_section,
+                    rel->r_offset)))
                return FALSE;
            }
          else
@@ -14033,7 +14069,7 @@ ppc64_elf_finish_dynamic_sections (bfd *output_bfd,
     return FALSE;
 
   dynobj = htab->elf.dynobj;
-  sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+  sdyn = bfd_get_linker_section (dynobj, ".dynamic");
 
   if (htab->elf.dynamic_sections_created)
     {