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[deliverable/binutils-gdb.git] / bfd / elf64-x86-64.c

diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index bf7d386bd9a133d9b749cd460a04b3e9fa4f4cc6..a4974cee52cd9136b24525e252d377f5689b33f8 100644 (file)
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -54,7 +54,7 @@
    special_function, name, partial_inplace, src_mask, dst_mask, pcrel_offset.  */
 static reloc_howto_type x86_64_elf_howto_table[] =
 {
-  HOWTO(R_X86_64_NONE, 0, 0, 0, FALSE, 0, complain_overflow_dont,
+  HOWTO(R_X86_64_NONE, 0, 3, 0, FALSE, 0, complain_overflow_dont,
        bfd_elf_generic_reloc, "R_X86_64_NONE", FALSE, 0x00000000, 0x00000000,
        FALSE),
   HOWTO(R_X86_64_64, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,
@@ -1529,6 +1529,10 @@ elf_x86_64_tls_transition (struct bfd_link_info *info, bfd *abfd,
   return TRUE;
 }
 
+/* Rename some of the generic section flags to better document how they
+   are used here.  */
+#define need_convert_mov_to_lea sec_flg0
+
 /* Look through the relocs for a section during the first phase, and
    calculate needed space in the global offset table, procedure
    linkage table, and dynamic reloc sections.  */
@@ -2105,6 +2109,10 @@ do_size:
                                             plt_got_align))
            return FALSE;
        }
+
+      if (r_type == R_X86_64_GOTPCREL
+         && (h == NULL || h->type != STT_GNU_IFUNC))
+       sec->need_convert_mov_to_lea = 1;
     }
 
   return TRUE;
@@ -2850,8 +2858,9 @@ elf_x86_64_readonly_dynrelocs (struct elf_link_hash_entry *h,
 
          info->flags |= DF_TEXTREL;
 
-         if (info->warn_shared_textrel && info->shared)
-           info->callbacks->einfo (_("%P: %B: warning: relocation against `%s' in readonly section `%A'.\n"),
+         if ((info->warn_shared_textrel && info->shared)
+             || info->error_textrel)
+           info->callbacks->einfo (_("%P: %B: warning: relocation against `%s' in readonly section `%A'\n"),
                                    p->sec->owner, h->root.root.string,
                                    p->sec);
 
@@ -2885,9 +2894,9 @@ elf_x86_64_convert_mov_to_lea (bfd *abfd, asection *sec,
   if (!is_elf_hash_table (link_info->hash))
     return FALSE;
 
-  /* Nothing to do if there are no codes, no relocations or no output.  */
+  /* Nothing to do if there is no need or no output.  */
   if ((sec->flags & (SEC_CODE | SEC_RELOC)) != (SEC_CODE | SEC_RELOC)
-      || sec->reloc_count == 0
+      || sec->need_convert_mov_to_lea == 0
       || bfd_is_abs_section (sec->output_section))
     return TRUE;
 
@@ -3090,8 +3099,9 @@ elf_x86_64_size_dynamic_sections (bfd *output_bfd,
                      && (info->flags & DF_TEXTREL) == 0)
                    {
                      info->flags |= DF_TEXTREL;
-                     if (info->warn_shared_textrel && info->shared)
-                       info->callbacks->einfo (_("%P: %B: warning: relocation in readonly section `%A'.\n"),
+                     if ((info->warn_shared_textrel && info->shared)
+                         || info->error_textrel)
+                       info->callbacks->einfo (_("%P: %B: warning: relocation in readonly section `%A'\n"),
                                                p->sec->owner, p->sec);
                    }
                }
@@ -3407,6 +3417,7 @@ elf_x86_64_always_size_sections (bfd *output_bfd,
          tlsbase = (struct elf_link_hash_entry *)bh;
          tlsbase->def_regular = 1;
          tlsbase->other = STV_HIDDEN;
+         tlsbase->root.linker_def = 1;
          (*bed->elf_backend_hide_symbol) (info, tlsbase, TRUE);
        }
     }
@@ -5567,7 +5578,7 @@ bad_return:
   if (plt_sym_val == NULL)
     goto bad_return;
 
-  for (i = 0; i < count; i++, p++)
+  for (i = 0; i < count; i++)
     plt_sym_val[i] = -1;
 
   plt_offset = bed->plt_entry_size;