* elf64-ppc.c (dec_dynrel_count): New function split out from
authorAlan Modra <amodra@gmail.com>
Tue, 5 Apr 2005 12:16:38 +0000 (12:16 +0000)
committerAlan Modra <amodra@gmail.com>
Tue, 5 Apr 2005 12:16:38 +0000 (12:16 +0000)
ppc64_elf_edit_toc, with additional code from ppc64_elf_edit_opd.
(ppc64_elf_edit_toc, ppc64_elf_edit_opd): Use it.
(ppc64_elf_tls_optimize): Likewise.

bfd/ChangeLog
bfd/elf64-ppc.c

index d80f28a..bd49ca0 100644 (file)
@@ -1,3 +1,10 @@
+2005-04-05  Alan Modra  <amodra@bigpond.net.au>
+
+       * elf64-ppc.c (dec_dynrel_count): New function split out from
+       ppc64_elf_edit_toc, with additional code from ppc64_elf_edit_opd.
+       (ppc64_elf_edit_toc, ppc64_elf_edit_opd): Use it.
+       (ppc64_elf_tls_optimize): Likewise.
+
 2005-04-05  Mark Kettenis  <kettenis@gnu.org>
 
        * netbsd-core.c (SPARC_WCOOKIE_OFFSET): Renamed from
index 592fbe0..a7cbf16 100644 (file)
@@ -5951,6 +5951,125 @@ adjust_opd_syms (struct elf_link_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
   return TRUE;
 }
 
+/* Handles decrementing dynamic reloc counts for the reloc specified by
+   R_INFO in section SEC.  If LOCAL_SYMS is NULL, then H and SYM_SEC
+   have already been determined.  */
+
+static bfd_boolean
+dec_dynrel_count (bfd_vma r_info,
+                 asection *sec,
+                 struct bfd_link_info *info,
+                 Elf_Internal_Sym **local_syms,
+                 struct elf_link_hash_entry *h,
+                 asection *sym_sec)
+{
+  enum elf_ppc64_reloc_type r_type;
+  struct ppc_dyn_relocs *p;
+  struct ppc_dyn_relocs **pp;
+
+  /* Can this reloc be dynamic?  This switch, and later tests here
+     should be kept in sync with the code in check_relocs.  */
+  r_type = ELF64_R_TYPE (r_info);
+  switch (r_type)
+    {
+    default:
+      return TRUE;
+
+    case R_PPC64_TPREL16:
+    case R_PPC64_TPREL16_LO:
+    case R_PPC64_TPREL16_HI:
+    case R_PPC64_TPREL16_HA:
+    case R_PPC64_TPREL16_DS:
+    case R_PPC64_TPREL16_LO_DS:
+    case R_PPC64_TPREL16_HIGHER:
+    case R_PPC64_TPREL16_HIGHERA:
+    case R_PPC64_TPREL16_HIGHEST:
+    case R_PPC64_TPREL16_HIGHESTA:
+      if (!info->shared)
+       return TRUE;
+
+    case R_PPC64_TPREL64:
+    case R_PPC64_DTPMOD64:
+    case R_PPC64_DTPREL64:
+    case R_PPC64_ADDR64:
+    case R_PPC64_REL30:
+    case R_PPC64_REL32:
+    case R_PPC64_REL64:
+    case R_PPC64_ADDR14:
+    case R_PPC64_ADDR14_BRNTAKEN:
+    case R_PPC64_ADDR14_BRTAKEN:
+    case R_PPC64_ADDR16:
+    case R_PPC64_ADDR16_DS:
+    case R_PPC64_ADDR16_HA:
+    case R_PPC64_ADDR16_HI:
+    case R_PPC64_ADDR16_HIGHER:
+    case R_PPC64_ADDR16_HIGHERA:
+    case R_PPC64_ADDR16_HIGHEST:
+    case R_PPC64_ADDR16_HIGHESTA:
+    case R_PPC64_ADDR16_LO:
+    case R_PPC64_ADDR16_LO_DS:
+    case R_PPC64_ADDR24:
+    case R_PPC64_ADDR32:
+    case R_PPC64_UADDR16:
+    case R_PPC64_UADDR32:
+    case R_PPC64_UADDR64:
+    case R_PPC64_TOC:
+      break;
+    }
+
+  if (local_syms != NULL)
+    {
+      unsigned long r_symndx;
+      Elf_Internal_Sym *sym;
+      bfd *ibfd = sec->owner;
+
+      r_symndx = ELF64_R_SYM (r_info);
+      if (!get_sym_h (&h, &sym, &sym_sec, NULL, local_syms, r_symndx, ibfd))
+       return FALSE;
+    }
+
+  if ((info->shared
+       && (MUST_BE_DYN_RELOC (r_type)
+          || (h != NULL
+              && (!info->symbolic
+                  || h->root.type == bfd_link_hash_defweak
+                  || !h->def_regular))))
+      || (ELIMINATE_COPY_RELOCS
+         && !info->shared
+         && h != NULL
+         && (h->root.type == bfd_link_hash_defweak
+             || !h->def_regular)))
+    ;
+  else
+    return TRUE;
+
+  if (h != NULL)
+    pp = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
+  else if (sym_sec != NULL)
+    pp = (struct ppc_dyn_relocs **) &elf_section_data (sym_sec)->local_dynrel;
+  else
+    pp = (struct ppc_dyn_relocs **) &elf_section_data (sec)->local_dynrel;
+
+  while ((p = *pp) != NULL)
+    {
+      if (p->sec == sec)
+       {
+         if (!MUST_BE_DYN_RELOC (r_type))
+           p->pc_count -= 1;
+         p->count -= 1;
+         if (p->count == 0)
+           *pp = p->next;
+         return TRUE;
+       }
+      pp = &p->next;
+    }
+
+  (*_bfd_error_handler) (_("dynreloc miscount for %B, section %A"),
+                          sec->owner, sec);
+  bfd_set_error (bfd_error_bad_value);
+  return FALSE;
+}
+
 /* Remove unused Official Procedure Descriptor entries.  Currently we
    only remove those associated with functions in discarded link-once
    sections, or weakly defined functions that have been overridden.  It
@@ -6271,33 +6390,9 @@ ppc64_elf_edit_opd (bfd *obfd, struct bfd_link_info *info,
 
              if (skip)
                {
-                 BFD_ASSERT (MUST_BE_DYN_RELOC (ELF64_R_TYPE (rel->r_info)));
-                 if (info->shared)
-                   {
-                     /* We won't be needing dynamic relocs here.  */
-                     struct ppc_dyn_relocs **pp;
-                     struct ppc_dyn_relocs *p;
-
-                     if (h != NULL)
-                       pp = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
-                     else if (sym_sec != NULL)
-                       pp = ((struct ppc_dyn_relocs **)
-                             &elf_section_data (sym_sec)->local_dynrel);
-                     else
-                       pp = ((struct ppc_dyn_relocs **)
-                             &elf_section_data (sec)->local_dynrel);
-                     while ((p = *pp) != NULL)
-                       {
-                         if (p->sec == sec)
-                           {
-                             p->count -= 1;
-                             if (p->count == 0)
-                               *pp = p->next;
-                             break;
-                           }
-                         pp = &p->next;
-                       }
-                   }
+                 if (!dec_dynrel_count (rel->r_info, sec, info,
+                                        NULL, h, sym_sec))
+                   goto error_ret;
                }
              else
                {
@@ -6668,29 +6763,20 @@ ppc64_elf_tls_optimize (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
                          ent->got.refcount -= 1;
                      }
                  }
-               else if (h != NULL)
+               else
                  {
-                   struct ppc_link_hash_entry * eh;
-                   struct ppc_dyn_relocs **pp;
-                   struct ppc_dyn_relocs *p;
-
-                   /* Adjust dynamic relocs.  */
-                   eh = (struct ppc_link_hash_entry *) h;
-                   for (pp = &eh->dyn_relocs;
-                        (p = *pp) != NULL;
-                        pp = &p->next)
-                     if (p->sec == sec)
-                       {
-                         /* If we got rid of a DTPMOD/DTPREL reloc
-                            pair then we'll lose one or two dyn
-                            relocs.  */
-                         if (tls_set == (TLS_EXPLICIT | TLS_GD))
-                           p->count -= 1;
-                         p->count -= 1;
-                         if (p->count == 0)
-                           *pp = p->next;
-                         break;
-                       }
+                   /* If we got rid of a DTPMOD/DTPREL reloc pair then
+                      we'll lose one or two dyn relocs.  */
+                   if (!dec_dynrel_count (rel->r_info, sec, info,
+                                          NULL, h, sym_sec))
+                     return FALSE;
+
+                   if (tls_set == (TLS_EXPLICIT | TLS_GD))
+                     {
+                       if (!dec_dynrel_count ((rel + 1)->r_info, sec, info,
+                                              NULL, h, sym_sec))
+                         return FALSE;
+                     }
                  }
 
                *tls_mask |= tls_set;
@@ -7056,106 +7142,9 @@ ppc64_elf_edit_toc (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
                    wrel->r_addend = rel->r_addend;
                    ++wrel;
                  }
-               else
-                 {
-                   unsigned long r_symndx;
-                   enum elf_ppc64_reloc_type r_type;
-                   asection *sym_sec;
-                   struct elf_link_hash_entry *h;
-                   Elf_Internal_Sym *sym;
-                   struct ppc_dyn_relocs *p;
-                   struct ppc_dyn_relocs **head;
-
-                   /* Can this reloc be dynamic?
-                      This switch, and later tests here should be kept
-                      in sync with the code in check_relocs.  */
-                   r_type = ELF64_R_TYPE (rel->r_info);
-                   switch (r_type)
-                     {
-                     default:
-                       continue;
-
-                     case R_PPC64_TPREL16:
-                     case R_PPC64_TPREL16_LO:
-                     case R_PPC64_TPREL16_HI:
-                     case R_PPC64_TPREL16_HA:
-                     case R_PPC64_TPREL16_DS:
-                     case R_PPC64_TPREL16_LO_DS:
-                     case R_PPC64_TPREL16_HIGHER:
-                     case R_PPC64_TPREL16_HIGHERA:
-                     case R_PPC64_TPREL16_HIGHEST:
-                     case R_PPC64_TPREL16_HIGHESTA:
-                       if (!info->shared)
-                         continue;
-
-                     case R_PPC64_TPREL64:
-                     case R_PPC64_DTPMOD64:
-                     case R_PPC64_DTPREL64:
-                     case R_PPC64_ADDR64:
-                     case R_PPC64_REL30:
-                     case R_PPC64_REL32:
-                     case R_PPC64_REL64:
-                     case R_PPC64_ADDR14:
-                     case R_PPC64_ADDR14_BRNTAKEN:
-                     case R_PPC64_ADDR14_BRTAKEN:
-                     case R_PPC64_ADDR16:
-                     case R_PPC64_ADDR16_DS:
-                     case R_PPC64_ADDR16_HA:
-                     case R_PPC64_ADDR16_HI:
-                     case R_PPC64_ADDR16_HIGHER:
-                     case R_PPC64_ADDR16_HIGHERA:
-                     case R_PPC64_ADDR16_HIGHEST:
-                     case R_PPC64_ADDR16_HIGHESTA:
-                     case R_PPC64_ADDR16_LO:
-                     case R_PPC64_ADDR16_LO_DS:
-                     case R_PPC64_ADDR24:
-                     case R_PPC64_ADDR32:
-                     case R_PPC64_UADDR16:
-                     case R_PPC64_UADDR32:
-                     case R_PPC64_UADDR64:
-                     case R_PPC64_TOC:
-                       break;
-                     }
-
-                   r_symndx = ELF64_R_SYM (rel->r_info);
-                   if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
-                                   r_symndx, ibfd))
-                     goto error_ret;
-
-                   if ((info->shared
-                        && (MUST_BE_DYN_RELOC (r_type)
-                            || (h != NULL
-                                && (!info->symbolic
-                                    || h->root.type == bfd_link_hash_defweak
-                                    || !h->def_regular))))
-                       || (ELIMINATE_COPY_RELOCS
-                           && !info->shared
-                           && h != NULL
-                           && (h->root.type == bfd_link_hash_defweak
-                               || !h->def_regular)))
-                     ;
-                   else
-                     continue;
-
-                   if (h != NULL)
-                     head = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
-                   else
-                     {
-                       if (sym_sec == NULL)
-                         goto error_ret;
-
-                       head = ((struct ppc_dyn_relocs **)
-                               &elf_section_data (sym_sec)->local_dynrel);
-                     }
-                   for (p = *head; p != NULL; p = p->next)
-                     if (p->sec == toc)
-                       {
-                         p->count -= 1;
-                         if (!MUST_BE_DYN_RELOC (r_type))
-                           p->pc_count -= 1;
-                         break;
-                       }
-                 }
+               else if (!dec_dynrel_count (rel->r_info, toc, info,
+                                           &local_syms, NULL, NULL))
+                 goto error_ret;
 
              toc->reloc_count = wrel - relstart;
              sz = elf_section_data (toc)->rel_hdr.sh_entsize;