Add Nios II arch flags and compatibility tests

[deliverable/binutils-gdb.git] / bfd / elf64-s390.c

diff --git a/bfd/elf64-s390.c b/bfd/elf64-s390.c
index d7b2f084bc61ff69767965b9d4dc0b7790e9fde5..c9db9546a93a8158d512093c12c13b67cf528a3b 100644 (file)
--- a/bfd/elf64-s390.c
+++ b/bfd/elf64-s390.c
@@ -1,5 +1,5 @@
 /* IBM S/390-specific support for 64-bit ELF
-   Copyright (C) 2000-2014 Free Software Foundation, Inc.
+   Copyright (C) 2000-2015 Free Software Foundation, Inc.
    Contributed Martin Schwidefsky (schwidefsky@de.ibm.com).
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -42,7 +42,7 @@ static reloc_howto_type elf_howto_table[] =
 {
   HOWTO (R_390_NONE,           /* type */
         0,                     /* rightshift */
-        0,                     /* size (0 = byte, 1 = 2 byte, 2 = 4 byte) */
+        3,                     /* size (0 = byte, 1 = 2 byte, 2 = 4 byte) */
         0,                     /* bitsize */
         FALSE,                 /* pc_relative */
         0,                     /* bitpos */
@@ -1183,6 +1183,12 @@ elf_s390_check_relocs (bfd *abfd,
          /* Fall through */
 
        case R_390_TLS_LE64:
+         /* For static linking and executables this reloc will be
+            calculated at linktime otherwise a TLS_TPOFF runtime
+            reloc will be generated.  */
+         if (r_type == R_390_TLS_LE64 && info->pie)
+           break;
+
          if (!info->shared)
            break;
          info->flags |= DF_STATIC_TLS;
@@ -1701,7 +1707,7 @@ elf_s390_adjust_dynamic_symbol (struct bfd_link_info *info,
 
   s = htab->sdynbss;
 
-  return _bfd_elf_adjust_dynamic_copy (h, s);
+  return _bfd_elf_adjust_dynamic_copy (info, h, s);
 }
 
 /* Allocate space in .plt, .got and associated reloc sections for
@@ -3074,7 +3080,7 @@ elf_s390_relocate_section (bfd *output_bfd,
          break;
 
        case R_390_TLS_LE64:
-         if (info->shared)
+         if (info->shared && !info->pie)
            {
              /* Linking a shared library with non-fpic code requires
                 a R_390_TLS_TPOFF relocation.  */
@@ -3760,6 +3766,21 @@ elf_s390_plt_sym_val (bfd_vma i, const asection *plt,
   return plt->vma + PLT_FIRST_ENTRY_SIZE + i * PLT_ENTRY_SIZE;
 }
 
+/* Merge backend specific data from an object file to the output
+   object file when linking.  */
+
+static bfd_boolean
+elf64_s390_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
+{
+  if (!is_s390_elf (ibfd) || !is_s390_elf (obfd))
+    return TRUE;
+
+  if (!elf_s390_merge_obj_attributes (ibfd, obfd))
+    return FALSE;
+
+  return TRUE;
+}
+
 /* Why was the hash table entry size definition changed from
    ARCH_SIZE/8 to 4? This breaks the 64 bit dynamic linker and
    this is the only reason for the s390_elf64_size_info structure.  */
@@ -3818,7 +3839,8 @@ const struct elf_size_info s390_elf64_size_info =
 #define bfd_elf64_bfd_is_local_label_name     elf_s390_is_local_label_name
 #define bfd_elf64_bfd_link_hash_table_create  elf_s390_link_hash_table_create
 #define bfd_elf64_bfd_reloc_type_lookup              elf_s390_reloc_type_lookup
-#define bfd_elf64_bfd_reloc_name_lookup elf_s390_reloc_name_lookup
+#define bfd_elf64_bfd_reloc_name_lookup       elf_s390_reloc_name_lookup
+#define bfd_elf64_bfd_merge_private_bfd_data  elf64_s390_merge_private_bfd_data
 
 #define elf_backend_adjust_dynamic_symbol     elf_s390_adjust_dynamic_symbol
 #define elf_backend_check_relocs             elf_s390_check_relocs
@@ -3834,6 +3856,7 @@ const struct elf_size_info s390_elf64_size_info =
 #define elf_backend_init_index_section       _bfd_elf_init_1_index_section
 #define elf_backend_plt_sym_val                      elf_s390_plt_sym_val
 #define elf_backend_add_symbol_hook           elf_s390_add_symbol_hook
+#define elf_backend_sort_relocs_p             elf_s390_elf_sort_relocs_p
 
 #define bfd_elf64_mkobject             elf_s390_mkobject
 #define elf_backend_object_p           elf_s390_object_p