Automatic date update in version.in
[deliverable/binutils-gdb.git] / bfd / elf32-microblaze.c
index 9d0a7ca49d9a19902ac62acb11b598de864850ec..c1691f857ca308168eaca6fb87b0e4967510d45f 100644 (file)
@@ -1,6 +1,6 @@
 /* Xilinx MicroBlaze-specific support for 32-bit ELF
 
-   Copyright 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+   Copyright (C) 2009-2016 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -44,11 +44,11 @@ static reloc_howto_type microblaze_elf_howto_raw[] =
    /* This reloc does nothing.  */
    HOWTO (R_MICROBLAZE_NONE,   /* Type.  */
           0,                   /* Rightshift.  */
-          2,                   /* Size (0 = byte, 1 = short, 2 = long).  */
-          32,                  /* Bitsize.  */
+          3,                   /* Size (0 = byte, 1 = short, 2 = long).  */
+          0,                   /* Bitsize.  */
           FALSE,               /* PC_relative.  */
           0,                   /* Bitpos.  */
-          complain_overflow_bitfield,  /* Complain on overflow.  */
+          complain_overflow_dont,  /* Complain on overflow.  */
           NULL,                  /* Special Function.  */
           "R_MICROBLAZE_NONE",         /* Name.  */
           FALSE,               /* Partial Inplace.  */
@@ -179,11 +179,11 @@ static reloc_howto_type microblaze_elf_howto_raw[] =
    /* This reloc does nothing.  Used for relaxation.  */
    HOWTO (R_MICROBLAZE_64_NONE,        /* Type.  */
           0,                   /* Rightshift.  */
-          2,                   /* Size (0 = byte, 1 = short, 2 = long).  */
-          32,                  /* Bitsize.  */
+          3,                   /* Size (0 = byte, 1 = short, 2 = long).  */
+          0,                   /* Bitsize.  */
           TRUE,                        /* PC_relative.  */
           0,                   /* Bitpos.  */
-          complain_overflow_bitfield,  /* Complain on overflow.  */
+          complain_overflow_dont, /* Complain on overflow.  */
           NULL,                  /* Special Function.  */
           "R_MICROBLAZE_64_NONE",/* Name.  */
           FALSE,               /* Partial Inplace.  */
@@ -643,13 +643,23 @@ microblaze_elf_info_to_howto (bfd * abfd ATTRIBUTE_UNUSED,
                              arelent * cache_ptr,
                              Elf_Internal_Rela * dst)
 {
+  unsigned int r_type;
+
   if (!microblaze_elf_howto_table [R_MICROBLAZE_32])
     /* Initialize howto table if needed.  */
     microblaze_elf_howto_init ();
 
-  BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_MICROBLAZE_max);
+  r_type = ELF32_R_TYPE (dst->r_info);
+  if (r_type >= R_MICROBLAZE_max)
+    {
+      /* xgettext:c-format */
+      _bfd_error_handler (_("%B: unrecognised MicroBlaze reloc number: %d"),
+                         abfd, r_type);
+      bfd_set_error (bfd_error_bad_value);
+      r_type = R_MICROBLAZE_NONE;
+    }
 
-  cache_ptr->howto = microblaze_elf_howto_table [ELF32_R_TYPE (dst->r_info)];
+  cache_ptr->howto = microblaze_elf_howto_table [r_type];
 }
 
 /* Microblaze ELF local labels start with 'L.' or '$L', not '.L'.  */
@@ -721,11 +731,6 @@ struct elf32_mb_link_hash_table
   struct elf_link_hash_table elf;
 
   /* Short-cuts to get to dynamic linker sections.  */
-  asection *sgot;
-  asection *sgotplt;
-  asection *srelgot;
-  asection *splt;
-  asection *srelplt;
   asection *sdynbss;
   asection *srelbss;
 
@@ -947,8 +952,9 @@ microblaze_elf_relocate_section (bfd *output_bfd,
 
       if (r_type < 0 || r_type >= (int) R_MICROBLAZE_max)
        {
-         (*_bfd_error_handler) (_("%s: unknown relocation type %d"),
-                                bfd_get_filename (input_bfd), (int) r_type);
+         /* xgettext:c-format */
+         _bfd_error_handler (_("%s: unknown relocation type %d"),
+                             bfd_get_filename (input_bfd), (int) r_type);
          bfd_set_error (bfd_error_bad_value);
          ret = FALSE;
          continue;
@@ -957,7 +963,7 @@ microblaze_elf_relocate_section (bfd *output_bfd,
       howto = microblaze_elf_howto_table[r_type];
       r_symndx = ELF32_R_SYM (rel->r_info);
 
-      if (info->relocatable)
+      if (bfd_link_relocatable (info))
        {
          /* This is a relocatable link.  We don't have to change
             anything, unless the reloc is against a section symbol,
@@ -1023,11 +1029,12 @@ microblaze_elf_relocate_section (bfd *output_bfd,
            {
              /* External symbol.  */
              bfd_boolean warned ATTRIBUTE_UNUSED;
+             bfd_boolean ignored ATTRIBUTE_UNUSED;
 
              RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
                                       r_symndx, symtab_hdr, sym_hashes,
                                       h, sec, relocation,
-                                      unresolved_reloc, warned);
+                                      unresolved_reloc, warned, ignored);
              sym_name = h->root.root.string;
            }
 
@@ -1072,11 +1079,14 @@ microblaze_elf_relocate_section (bfd *output_bfd,
                      }
                    else
                      {
-                       (*_bfd_error_handler) (_("%s: The target (%s) of an %s relocation is in the wrong section (%s)"),
-                                              bfd_get_filename (input_bfd),
-                                              sym_name,
-                                              microblaze_elf_howto_table[(int) r_type]->name,
-                                              bfd_get_section_name (sec->owner, sec));
+                       _bfd_error_handler
+                         /* xgettext:c-format */
+                         (_("%s: The target (%s) of an %s relocation "
+                            "is in the wrong section (%s)"),
+                          bfd_get_filename (input_bfd),
+                          sym_name,
+                          microblaze_elf_howto_table[(int) r_type]->name,
+                          bfd_get_section_name (sec->owner, sec));
                        /*bfd_set_error (bfd_error_bad_value); ??? why? */
                        ret = FALSE;
                        continue;
@@ -1117,11 +1127,14 @@ microblaze_elf_relocate_section (bfd *output_bfd,
                      }
                    else
                      {
-                       (*_bfd_error_handler) (_("%s: The target (%s) of an %s relocation is in the wrong section (%s)"),
-                                              bfd_get_filename (input_bfd),
-                                              sym_name,
-                                              microblaze_elf_howto_table[(int) r_type]->name,
-                                              bfd_get_section_name (sec->owner, sec));
+                       _bfd_error_handler
+                         /* xgettext:c-format */
+                         (_("%s: The target (%s) of an %s relocation "
+                            "is in the wrong section (%s)"),
+                          bfd_get_filename (input_bfd),
+                          sym_name,
+                          microblaze_elf_howto_table[(int) r_type]->name,
+                          bfd_get_section_name (sec->owner, sec));
                        /*bfd_set_error (bfd_error_bad_value); ??? why? */
                        ret = FALSE;
                        continue;
@@ -1134,8 +1147,8 @@ microblaze_elf_relocate_section (bfd *output_bfd,
              break; /* Do nothing.  */
 
            case (int) R_MICROBLAZE_GOTPC_64:
-             relocation = htab->sgotplt->output_section->vma
-               + htab->sgotplt->output_offset;
+             relocation = (htab->elf.sgotplt->output_section->vma
+                           + htab->elf.sgotplt->output_offset);
              relocation -= (input_section->output_section->vma
                             + input_section->output_offset
                             + offset + INST_WORD_SIZE);
@@ -1149,11 +1162,11 @@ microblaze_elf_relocate_section (bfd *output_bfd,
            case (int) R_MICROBLAZE_PLT_64:
              {
                bfd_vma immediate;
-               if (htab->splt != NULL && h != NULL
+               if (htab->elf.splt != NULL && h != NULL
                    && h->plt.offset != (bfd_vma) -1)
                  {
-                   relocation = (htab->splt->output_section->vma
-                                 + htab->splt->output_offset
+                   relocation = (htab->elf.splt->output_section->vma
+                                 + htab->elf.splt->output_offset
                                  + h->plt.offset);
                    unresolved_reloc = FALSE;
                    immediate = relocation - (input_section->output_section->vma
@@ -1183,6 +1196,7 @@ microblaze_elf_relocate_section (bfd *output_bfd,
              goto dogot;
            case (int) R_MICROBLAZE_TLSLD:
              tls_type = (TLS_TLS | TLS_LD);
+             /* Fall through.  */
            dogot:
            case (int) R_MICROBLAZE_GOT_64:
              {
@@ -1192,7 +1206,7 @@ microblaze_elf_relocate_section (bfd *output_bfd,
                bfd_vma static_value;
 
                bfd_boolean need_relocs = FALSE;
-               if (htab->sgot == NULL)
+               if (htab->elf.sgot == NULL)
                  abort ();
 
                indx = 0;
@@ -1208,10 +1222,11 @@ microblaze_elf_relocate_section (bfd *output_bfd,
                  offp = &htab->tlsld_got.offset;
                else if (h != NULL)
                  {
-                   if (htab->sgotplt != NULL && h->got.offset != (bfd_vma) -1)
-                       offp = &h->got.offset;
+                   if (htab->elf.sgotplt != NULL
+                       && h->got.offset != (bfd_vma) -1)
+                     offp = &h->got.offset;
                    else
-                       abort ();
+                     abort ();
                  }
                else
                  {
@@ -1235,13 +1250,16 @@ microblaze_elf_relocate_section (bfd *output_bfd,
                    bfd_boolean dyn =
                        elf_hash_table (info)->dynamic_sections_created;
 
-                   if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
-                       && (!info->shared || !SYMBOL_REFERENCES_LOCAL (info, h)))
+                   if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+                                                        bfd_link_pic (info),
+                                                        h)
+                       && (!bfd_link_pic (info)
+                           || !SYMBOL_REFERENCES_LOCAL (info, h)))
                      indx = h->dynindx;
                  }
 
                /* Need to generate relocs ? */
-               if ((info->shared || indx != 0)
+               if ((bfd_link_pic (info) || indx != 0)
                    && (h == NULL
                    || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
                    || h->root.type != bfd_link_hash_undefweak))
@@ -1255,97 +1273,95 @@ microblaze_elf_relocate_section (bfd *output_bfd,
                  {
                    bfd_vma got_offset;
 
-                   got_offset = (htab->sgot->output_section->vma
-                                 + htab->sgot->output_offset
+                   got_offset = (htab->elf.sgot->output_section->vma
+                                 + htab->elf.sgot->output_offset
                                  + off);
 
                    /* Process module-id */
                    if (IS_TLS_LD(tls_type))
                      {
-                       if (! info->shared)
-                         {
-                           bfd_put_32 (output_bfd, 1, htab->sgot->contents + off);
-                         }
+                       if (! bfd_link_pic (info))
+                         bfd_put_32 (output_bfd, 1,
+                                     htab->elf.sgot->contents + off);
                        else
-                         {
-                           microblaze_elf_output_dynamic_relocation (output_bfd,
-                             htab->srelgot, htab->srelgot->reloc_count++,
-                             /* symindex= */ 0, R_MICROBLAZE_TLSDTPMOD32,
-                             got_offset, 0);
-                         }
+                         microblaze_elf_output_dynamic_relocation
+                           (output_bfd,
+                            htab->elf.srelgot,
+                            htab->elf.srelgot->reloc_count++,
+                            /* symindex= */ 0, R_MICROBLAZE_TLSDTPMOD32,
+                            got_offset, 0);
                      }
                    else if (IS_TLS_GD(tls_type))
                      {
                        if (! need_relocs)
-                         {
-                           bfd_put_32 (output_bfd, 1, htab->sgot->contents + off);
-                         }
+                         bfd_put_32 (output_bfd, 1,
+                                     htab->elf.sgot->contents + off);
                        else
-                         {
-                           microblaze_elf_output_dynamic_relocation (output_bfd,
-                             htab->srelgot,
-                             htab->srelgot->reloc_count++,
-                             /* symindex= */ indx, R_MICROBLAZE_TLSDTPMOD32,
-                             got_offset, indx ? 0 : static_value);
-                         }
+                         microblaze_elf_output_dynamic_relocation
+                           (output_bfd,
+                            htab->elf.srelgot,
+                            htab->elf.srelgot->reloc_count++,
+                            /* symindex= */ indx, R_MICROBLAZE_TLSDTPMOD32,
+                            got_offset, indx ? 0 : static_value);
                      }
 
                    /* Process Offset */
-                   if (htab->srelgot == NULL)
+                   if (htab->elf.srelgot == NULL)
                      abort ();
 
-                   got_offset = (htab->sgot->output_section->vma
-                                 + htab->sgot->output_offset
+                   got_offset = (htab->elf.sgot->output_section->vma
+                                 + htab->elf.sgot->output_offset
                                  + off2);
                    if (IS_TLS_LD(tls_type))
                      {
                        /* For LD, offset should be 0 */
                        *offp |= 1;
-                       bfd_put_32 (output_bfd, 0, htab->sgot->contents + off2);
+                       bfd_put_32 (output_bfd, 0,
+                                   htab->elf.sgot->contents + off2);
                      }
                    else if (IS_TLS_GD(tls_type))
                      {
                        *offp |= 1;
                        static_value -= dtprel_base(info);
                        if (need_relocs)
-                         {
-                           microblaze_elf_output_dynamic_relocation (output_bfd,
-                             htab->srelgot, htab->srelgot->reloc_count++,
-                             /* symindex= */ indx, R_MICROBLAZE_TLSDTPREL32,
-                             got_offset, indx ? 0 : static_value);
-                         }
+                         microblaze_elf_output_dynamic_relocation
+                           (output_bfd,
+                            htab->elf.srelgot,
+                            htab->elf.srelgot->reloc_count++,
+                            /* symindex= */ indx, R_MICROBLAZE_TLSDTPREL32,
+                            got_offset, indx ? 0 : static_value);
                        else
-                         {
-                           bfd_put_32 (output_bfd, static_value,
-                                       htab->sgot->contents + off2);
-                         }
+                         bfd_put_32 (output_bfd, static_value,
+                                     htab->elf.sgot->contents + off2);
                      }
                    else
                      {
-                         bfd_put_32 (output_bfd, static_value,
-                                     htab->sgot->contents + off2);
+                       bfd_put_32 (output_bfd, static_value,
+                                   htab->elf.sgot->contents + off2);
 
-                         /* Relocs for dyn symbols generated by
-                            finish_dynamic_symbols */
-                         if (info->shared && h == NULL)
-                           {
-                             *offp |= 1;
-                             microblaze_elf_output_dynamic_relocation (output_bfd,
-                               htab->srelgot, htab->srelgot->reloc_count++,
-                               /* symindex= */ indx, R_MICROBLAZE_REL,
-                               got_offset, static_value);
-                           }
+                       /* Relocs for dyn symbols generated by
+                          finish_dynamic_symbols */
+                       if (bfd_link_pic (info) && h == NULL)
+                         {
+                           *offp |= 1;
+                           microblaze_elf_output_dynamic_relocation
+                             (output_bfd,
+                              htab->elf.srelgot,
+                              htab->elf.srelgot->reloc_count++,
+                              /* symindex= */ indx, R_MICROBLAZE_REL,
+                              got_offset, static_value);
+                         }
                      }
                  }
 
                /* 4. Fixup Relocation with GOT offset value
                      Compute relative address of GOT entry for applying
                      the current relocation */
-               relocation = htab->sgot->output_section->vma
-                            + htab->sgot->output_offset
+               relocation = htab->elf.sgot->output_section->vma
+                            + htab->elf.sgot->output_offset
                             + off
-                            - htab->sgotplt->output_section->vma
-                            - htab->sgotplt->output_offset;
+                            - htab->elf.sgotplt->output_section->vma
+                            - htab->elf.sgotplt->output_offset;
 
                /* Apply Current Relocation */
                bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff,
@@ -1362,22 +1378,23 @@ microblaze_elf_relocate_section (bfd *output_bfd,
                bfd_vma immediate;
                unsigned short lo, high;
                relocation += addend;
-               relocation -= htab->sgotplt->output_section->vma
-                 + htab->sgotplt->output_offset;
+               relocation -= (htab->elf.sgotplt->output_section->vma
+                              + htab->elf.sgotplt->output_offset);
                /* Write this value into correct location.  */
                immediate = relocation;
                lo = immediate & 0x0000ffff;
                high = (immediate >> 16) & 0x0000ffff;
                bfd_put_16 (input_bfd, high, contents + offset + endian);
-               bfd_put_16 (input_bfd, lo, contents + offset + INST_WORD_SIZE + endian);
+               bfd_put_16 (input_bfd, lo,
+                           contents + offset + INST_WORD_SIZE + endian);
                break;
              }
 
            case (int) R_MICROBLAZE_GOTOFF_32:
              {
                relocation += addend;
-               relocation -= htab->sgotplt->output_section->vma
-                 + htab->sgotplt->output_offset;
+               relocation -= (htab->elf.sgotplt->output_section->vma
+                              + htab->elf.sgotplt->output_offset);
                /* Write this value into correct location.  */
                bfd_put_32 (input_bfd, relocation, contents + offset);
                break;
@@ -1417,7 +1434,7 @@ microblaze_elf_relocate_section (bfd *output_bfd,
                    break;
                  }
 
-               if ((info->shared
+               if ((bfd_link_pic (info)
                     && (h == NULL
                         || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
                         || h->root.type != bfd_link_hash_undefweak)
@@ -1426,7 +1443,7 @@ microblaze_elf_relocate_section (bfd *output_bfd,
                             && h->dynindx != -1
                             && (!info->symbolic
                                 || !h->def_regular))))
-                   || (!info->shared
+                   || (!bfd_link_pic (info)
                        && h != NULL
                        && h->dynindx != -1
                        && !h->non_got_ref
@@ -1479,7 +1496,7 @@ microblaze_elf_relocate_section (bfd *output_bfd,
                        else
                          {
                            BFD_FAIL ();
-                           (*_bfd_error_handler)
+                           _bfd_error_handler
                              (_("%B: probably compiled without -fPIC?"),
                               input_bfd);
                            bfd_set_error (bfd_error_bad_value);
@@ -1543,16 +1560,14 @@ microblaze_elf_relocate_section (bfd *output_bfd,
          switch (r)
            {
            case bfd_reloc_overflow:
-             if (!((*info->callbacks->reloc_overflow)
-                   (info, (h ? &h->root : NULL), name, howto->name,
-                    (bfd_vma) 0, input_bfd, input_section, offset)))
-               return FALSE;
+             (*info->callbacks->reloc_overflow)
+               (info, (h ? &h->root : NULL), name, howto->name,
+                (bfd_vma) 0, input_bfd, input_section, offset);
              break;
 
            case bfd_reloc_undefined:
-             if (!((*info->callbacks->undefined_symbol)
-                   (info, name, input_bfd, input_section, offset, TRUE)))
-               return FALSE;
+             (*info->callbacks->undefined_symbol)
+               (info, name, input_bfd, input_section, offset, TRUE);
              break;
 
            case bfd_reloc_outofrange:
@@ -1571,9 +1586,8 @@ microblaze_elf_relocate_section (bfd *output_bfd,
              errmsg = _("internal error: unknown error");
              /* Fall through.  */
            common_error:
-             if (!((*info->callbacks->warning)
-                   (info, errmsg, name, input_bfd, input_section, offset)))
-               return FALSE;
+             (*info->callbacks->warning) (info, errmsg, name, input_bfd,
+                                          input_section, offset);
              break;
            }
        }
@@ -1581,27 +1595,13 @@ microblaze_elf_relocate_section (bfd *output_bfd,
 
   return ret;
 }
-
-/* Merge backend specific data from an object file to the output
-   object file when linking.
-
-   Note: We only use this hook to catch endian mismatches.  */
-static bfd_boolean
-microblaze_elf_merge_private_bfd_data (bfd * ibfd, bfd * obfd)
-{
-  /* Check if we have the same endianess.  */
-  if (! _bfd_generic_verify_endian_match (ibfd, obfd))
-    return FALSE;
-
-  return TRUE;
-}
-
 \f
 /* Calculate fixup value for reference.  */
 
 static int
-calc_fixup (bfd_vma addr, asection *sec)
+calc_fixup (bfd_vma start, bfd_vma size, asection *sec)
 {
+  bfd_vma end = start + size;
   int i, fixup = 0;
 
   if (sec == NULL || sec->relax == NULL)
@@ -1610,11 +1610,12 @@ calc_fixup (bfd_vma addr, asection *sec)
   /* Look for addr in relax table, total fixup value.  */
   for (i = 0; i < sec->relax_count; i++)
     {
-      if (addr <= sec->relax[i].addr)
+      if (end <= sec->relax[i].addr)
         break;
+      if ((end != start) && (start > sec->relax[i].addr))
+        continue;
       fixup += sec->relax[i].size;
     }
-
   return fixup;
 }
 
@@ -1676,7 +1677,7 @@ microblaze_elf_relax_section (bfd *abfd,
   *again = FALSE;
 
   /* Only do this for a text section.  */
-  if (link_info->relocatable
+  if (bfd_link_relocatable (link_info)
       || (sec->flags & SEC_RELOC) == 0
       || (sec->reloc_count == 0)
       || (sec->flags & SEC_CODE) == 0)
@@ -1827,7 +1828,7 @@ microblaze_elf_relax_section (bfd *abfd,
          bfd_vma nraddr;
 
           /* Get the new reloc address.  */
-         nraddr = irel->r_offset - calc_fixup (irel->r_offset, sec);
+         nraddr = irel->r_offset - calc_fixup (irel->r_offset, 0, sec);
           switch ((enum elf_microblaze_reloc_type) ELF32_R_TYPE (irel->r_info))
            {
            default:
@@ -1845,7 +1846,7 @@ microblaze_elf_relax_section (bfd *abfd,
                  /* Only handle relocs against .text.  */
                  if (isym->st_shndx == shndx
                      && ELF32_ST_TYPE (isym->st_info) == STT_SECTION)
-                   irel->r_addend -= calc_fixup (irel->r_addend, sec);
+                   irel->r_addend -= calc_fixup (irel->r_addend, 0, sec);
                }
              break;
            case R_MICROBLAZE_NONE:
@@ -1855,8 +1856,8 @@ microblaze_elf_relax_section (bfd *abfd,
                int sfix, efix;
                bfd_vma target_address;
                target_address = irel->r_addend + irel->r_offset;
-               sfix = calc_fixup (irel->r_offset, sec);
-               efix = calc_fixup (target_address, sec);
+               sfix = calc_fixup (irel->r_offset, 0, sec);
+               efix = calc_fixup (target_address, 0, sec);
                irel->r_addend -= (efix - sfix);
                /* Should use HOWTO.  */
                microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset,
@@ -1870,8 +1871,8 @@ microblaze_elf_relax_section (bfd *abfd,
                int sfix, efix;
                bfd_vma target_address;
                target_address = irel->r_addend + irel->r_offset + INST_WORD_SIZE;
-               sfix = calc_fixup (irel->r_offset + INST_WORD_SIZE, sec);
-               efix = calc_fixup (target_address, sec);
+               sfix = calc_fixup (irel->r_offset + INST_WORD_SIZE, 0, sec);
+               efix = calc_fixup (target_address, 0, sec);
                irel->r_addend -= (efix - sfix);
     microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset
                                        + INST_WORD_SIZE, irel->r_addend);
@@ -1934,7 +1935,7 @@ microblaze_elf_relax_section (bfd *abfd,
                             }
 
                         }
-                     irelscan->r_addend -= calc_fixup (irelscan->r_addend, sec);
+                     irelscan->r_addend -= calc_fixup (irelscan->r_addend, 0, sec);
                     }
                  else if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_SYM_OP_SYM)
                    {
@@ -1965,6 +1966,7 @@ microblaze_elf_relax_section (bfd *abfd,
                        }
                      irelscan->r_addend -= calc_fixup (irel->r_addend
                                                        + isym->st_value,
+                                                       0,
                                                        sec);
                    }
                }
@@ -2005,7 +2007,7 @@ microblaze_elf_relax_section (bfd *abfd,
                      unsigned long instr = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
                      immediate = instr & 0x0000ffff;
                      target_address = immediate;
-                     offset = calc_fixup (target_address, sec);
+                     offset = calc_fixup (target_address, 0, sec);
                      immediate -= offset;
                      irelscan->r_addend -= offset;
           microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset,
@@ -2052,7 +2054,7 @@ microblaze_elf_relax_section (bfd *abfd,
                                                 + INST_WORD_SIZE);
           immediate = (instr_hi & 0x0000ffff) << 16;
           immediate |= (instr_lo & 0x0000ffff);
-                     offset = calc_fixup (irelscan->r_addend, sec);
+                     offset = calc_fixup (irelscan->r_addend, 0, sec);
                      immediate -= offset;
                      irelscan->r_addend -= offset;
                    }
@@ -2097,7 +2099,7 @@ microblaze_elf_relax_section (bfd *abfd,
           immediate = (instr_hi & 0x0000ffff) << 16;
           immediate |= (instr_lo & 0x0000ffff);
                      target_address = immediate;
-                     offset = calc_fixup (target_address, sec);
+                     offset = calc_fixup (target_address, 0, sec);
                      immediate -= offset;
                      irelscan->r_addend -= offset;
           microblaze_bfd_write_imm_value_64 (abfd, ocontents
@@ -2112,24 +2114,30 @@ microblaze_elf_relax_section (bfd *abfd,
       for (isym = isymbuf; isym < isymend; isym++)
         {
           if (isym->st_shndx == shndx)
-           isym->st_value =- calc_fixup (isym->st_value, sec);
+            {
+              isym->st_value -= calc_fixup (isym->st_value, 0, sec);
+              if (isym->st_size)
+                isym->st_size -= calc_fixup (isym->st_value, isym->st_size, sec);
+            }
         }
 
       /* Now adjust the global symbols defined in this section.  */
       isym = isymbuf + symtab_hdr->sh_info;
-      isymend = isymbuf + (symtab_hdr->sh_size / sizeof (Elf32_External_Sym));
-      for (sym_index = 0; isym < isymend; isym++, sym_index++)
+      symcount =  (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)) - symtab_hdr->sh_info;
+      for (sym_index = 0; sym_index < symcount; sym_index++)
         {
           sym_hash = elf_sym_hashes (abfd)[sym_index];
-          if (isym->st_shndx == shndx
-              && (sym_hash->root.type == bfd_link_hash_defined
+          if ((sym_hash->root.type == bfd_link_hash_defined
                   || sym_hash->root.type == bfd_link_hash_defweak)
               && sym_hash->root.u.def.section == sec)
-           {
-             sym_hash->root.u.def.value -= calc_fixup (sym_hash->root.u.def.value,
-                                                       sec);
-           }
-       }
+            {
+              sym_hash->root.u.def.value -= calc_fixup (sym_hash->root.u.def.value,
+                                                        0, sec);
+              if (sym_hash->size)
+                sym_hash->size -= calc_fixup (sym_hash->root.u.def.value,
+                                              sym_hash->size, sec);
+            }
+        }
 
       /* Physically move the code and change the cooked size.  */
       dest = sec->relax[0].addr;
@@ -2235,39 +2243,6 @@ microblaze_elf_gc_sweep_hook (bfd * abfd ATTRIBUTE_UNUSED,
 #define PLT_ENTRY_WORD_2  0x98186000          /* "brad r12".  */
 #define PLT_ENTRY_WORD_3  0x80000000          /* "nop".  */
 
-/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
-   shortcuts to them in our hash table.  */
-
-static bfd_boolean
-create_got_section (bfd *dynobj, struct bfd_link_info *info)
-{
-  struct elf32_mb_link_hash_table *htab;
-
-  if (! _bfd_elf_create_got_section (dynobj, info))
-    return FALSE;
-  htab = elf32_mb_hash_table (info);
-  if (htab == NULL)
-    return FALSE;
-
-  htab->sgot = bfd_get_linker_section (dynobj, ".got");
-  htab->sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
-  if (!htab->sgot || !htab->sgotplt)
-    return FALSE;
-
-  if ((htab->srelgot = bfd_get_linker_section (dynobj, ".rela.got")) == NULL)
-    htab->srelgot = bfd_make_section_anyway (dynobj, ".rela.got");
-  if (htab->srelgot == NULL
-      || ! bfd_set_section_flags (dynobj, htab->srelgot, SEC_ALLOC
-                                  | SEC_LOAD
-                                  | SEC_HAS_CONTENTS
-                                  | SEC_IN_MEMORY
-                                  | SEC_LINKER_CREATED
-                                  | SEC_READONLY)
-      || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
-    return FALSE;
-  return TRUE;
-}
-
 static bfd_boolean
 update_local_sym_info (bfd *abfd,
                       Elf_Internal_Shdr *symtab_hdr,
@@ -2311,7 +2286,7 @@ microblaze_elf_check_relocs (bfd * abfd,
   struct elf32_mb_link_hash_table *htab;
   asection *sreloc = NULL;
 
-  if (info->relocatable)
+  if (bfd_link_relocatable (info))
     return TRUE;
 
   htab = elf32_mb_hash_table (info);
@@ -2339,7 +2314,13 @@ microblaze_elf_check_relocs (bfd * abfd,
       if (r_symndx < symtab_hdr->sh_info)
         h = NULL;
       else
-        h = sym_hashes [r_symndx - symtab_hdr->sh_info];
+       {
+         h = sym_hashes [r_symndx - symtab_hdr->sh_info];
+
+         /* PR15323, ref flags aren't set for references in the same
+            object.  */
+         h->root.non_ir_ref = 1;
+       }
 
       switch (r_type)
         {
@@ -2372,14 +2353,16 @@ microblaze_elf_check_relocs (bfd * abfd,
           goto dogottls;
         case R_MICROBLAZE_TLSLD:
           tls_type |= (TLS_TLS | TLS_LD);
+         /* Fall through.  */
         dogottls:
           sec->has_tls_reloc = 1;
+         /* Fall through.  */
         case R_MICROBLAZE_GOT_64:
-          if (htab->sgot == NULL)
+          if (htab->elf.sgot == NULL)
             {
               if (htab->elf.dynobj == NULL)
                 htab->elf.dynobj = abfd;
-              if (!create_got_section (htab->elf.dynobj, info))
+              if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
                 return FALSE;
             }
           if (h != NULL)
@@ -2398,7 +2381,7 @@ microblaze_elf_check_relocs (bfd * abfd,
         case R_MICROBLAZE_64_PCREL:
         case R_MICROBLAZE_32:
           {
-            if (h != NULL && !info->shared)
+            if (h != NULL && !bfd_link_pic (info))
              {
                /* we may need a copy reloc.  */
                h->non_got_ref = 1;
@@ -2432,14 +2415,14 @@ microblaze_elf_check_relocs (bfd * abfd,
               dynamic library if we manage to avoid copy relocs for the
               symbol.  */
 
-            if ((info->shared
+            if ((bfd_link_pic (info)
                  && (sec->flags & SEC_ALLOC) != 0
                  && (r_type != R_MICROBLAZE_64_PCREL
                      || (h != NULL
                         && (! info->symbolic
                             || h->root.type == bfd_link_hash_defweak
                             || !h->def_regular))))
-                || (!info->shared
+                || (!bfd_link_pic (info)
                     && (sec->flags & SEC_ALLOC) != 0
                     && h != NULL
                     && (h->root.type == bfd_link_hash_defweak
@@ -2529,20 +2512,18 @@ microblaze_elf_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
   if (htab == NULL)
     return FALSE;
 
-  if (!htab->sgot && !create_got_section (dynobj, info))
+  if (!htab->elf.sgot && !_bfd_elf_create_got_section (dynobj, info))
     return FALSE;
 
   if (!_bfd_elf_create_dynamic_sections (dynobj, info))
     return FALSE;
 
-  htab->splt = bfd_get_linker_section (dynobj, ".plt");
-  htab->srelplt = bfd_get_linker_section (dynobj, ".rela.plt");
   htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss");
-  if (!info->shared)
+  if (!bfd_link_pic (info))
     htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss");
 
-  if (!htab->splt || !htab->srelplt || !htab->sdynbss
-      || (!info->shared && !htab->srelbss))
+  if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss
+      || (!bfd_link_pic (info) && !htab->srelbss))
     abort ();
 
   return TRUE;
@@ -2663,7 +2644,7 @@ microblaze_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
      only references to the symbol are via the global offset table.
      For such cases we need not do anything here; the relocations will
      be handled correctly by relocate_section.  */
-  if (info->shared)
+  if (bfd_link_pic (info))
     return TRUE;
 
   /* If there are no references to this symbol that do not use the
@@ -2770,9 +2751,9 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * dat)
             return FALSE;
         }
 
-      if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
+      if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
         {
-          asection *s = htab->splt;
+          asection *s = htab->elf.splt;
 
           /* The first entry in .plt is reserved.  */
           if (s->size == 0)
@@ -2785,7 +2766,7 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * dat)
              location in the .plt.  This is required to make function
              pointers compare as equal between the normal executable and
              the shared library.  */
-          if (! info->shared
+          if (! bfd_link_pic (info)
               && !h->def_regular)
             {
               h->root.u.def.section = s;
@@ -2797,10 +2778,10 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * dat)
 
           /* We also need to make an entry in the .got.plt section, which
              will be placed in the .got section by the linker script.  */
-         htab->sgotplt->size += 4;
+         htab->elf.sgotplt->size += 4;
 
           /* We also need to make an entry in the .rel.plt section.  */
-          htab->srelplt->size += sizeof (Elf32_External_Rela);
+          htab->elf.srelplt->size += sizeof (Elf32_External_Rela);
         }
       else
         {
@@ -2857,10 +2838,10 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * dat)
         }
       else
         {
-          s = htab->sgot;
+          s = htab->elf.sgot;
           h->got.offset = s->size;
           s->size += need;
-          htab->srelgot->size += need * (sizeof (Elf32_External_Rela) / 4);
+          htab->elf.srelgot->size += need * (sizeof (Elf32_External_Rela) / 4);
         }
     }
   else
@@ -2875,7 +2856,7 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * dat)
      space for pc-relative relocs that have become local due to symbol
      visibility changes.  */
 
-  if (info->shared)
+  if (bfd_link_pic (info))
     {
       if (h->def_regular
          && (h->forced_local
@@ -2957,7 +2938,7 @@ microblaze_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
 
   /* Set up .got offsets for local syms, and space for local dynamic
      relocs.  */
-  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
     {
       bfd_signed_vma *local_got;
       bfd_signed_vma *end_local_got;
@@ -3004,8 +2985,8 @@ microblaze_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
       locsymcount = symtab_hdr->sh_info;
       end_local_got = local_got + locsymcount;
       lgot_masks = (unsigned char *) end_local_got;
-      s = htab->sgot;
-      srel = htab->srelgot;
+      s = htab->elf.sgot;
+      srel = htab->elf.srelgot;
 
       for (; local_got < end_local_got; ++local_got, ++lgot_masks)
        {
@@ -3030,7 +3011,7 @@ microblaze_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
                {
                  *local_got = s->size;
                  s->size += need;
-                 if (info->shared)
+                 if (bfd_link_pic (info))
                    srel->size += need * (sizeof (Elf32_External_Rela) / 4);
                }
             }
@@ -3045,10 +3026,10 @@ microblaze_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
 
   if (htab->tlsld_got.refcount > 0)
     {
-      htab->tlsld_got.offset = htab->sgot->size;
-      htab->sgot->size += 8;
-      if (info->shared)
-        htab->srelgot->size += sizeof (Elf32_External_Rela);
+      htab->tlsld_got.offset = htab->elf.sgot->size;
+      htab->elf.sgot->size += 8;
+      if (bfd_link_pic (info))
+        htab->elf.srelgot->size += sizeof (Elf32_External_Rela);
     }
   else
     htab->tlsld_got.offset = (bfd_vma) -1;
@@ -3056,8 +3037,8 @@ microblaze_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
   if (elf_hash_table (info)->dynamic_sections_created)
     {
       /* Make space for the trailing nop in .plt.  */
-      if (htab->splt->size > 0)
-        htab->splt->size += 4;
+      if (htab->elf.splt->size > 0)
+        htab->elf.splt->size += 4;
     }
 
   /* The check_relocs and adjust_dynamic_symbol entry points have
@@ -3097,7 +3078,9 @@ microblaze_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
               s->reloc_count = 0;
             }
         }
-      else if (s != htab->splt && s != htab->sgot && s != htab->sgotplt)
+      else if (s != htab->elf.splt
+              && s != htab->elf.sgot
+              && s != htab->elf.sgotplt)
         {
           /* It's not one of our sections, so don't allocate space.  */
           continue;
@@ -3130,7 +3113,7 @@ microblaze_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
 #define add_dynamic_entry(TAG, VAL)                    \
       _bfd_elf_add_dynamic_entry (info, TAG, VAL)
 
-      if (info->executable)
+      if (bfd_link_executable (info))
         {
           if (!add_dynamic_entry (DT_DEBUG, 0))
             return FALSE;
@@ -3141,7 +3124,7 @@ microblaze_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
           || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
        return FALSE;
 
-      if (htab->splt->size != 0)
+      if (htab->elf.splt->size != 0)
         {
           if (!add_dynamic_entry (DT_PLTGOT, 0)
               || !add_dynamic_entry (DT_PLTRELSZ, 0)
@@ -3192,9 +3175,9 @@ microblaze_elf_finish_dynamic_symbol (bfd *output_bfd,
          it up.  */
       BFD_ASSERT (h->dynindx != -1);
 
-      splt = htab->splt;
-      srela = htab->srelplt;
-      sgotplt = htab->sgotplt;
+      splt = htab->elf.splt;
+      srela = htab->elf.srelplt;
+      sgotplt = htab->elf.sgotplt;
       BFD_ASSERT (splt != NULL && srela != NULL && sgotplt != NULL);
 
       plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; /* first entry reserved.  */
@@ -3202,13 +3185,13 @@ microblaze_elf_finish_dynamic_symbol (bfd *output_bfd,
       got_addr = got_offset;
 
       /* For non-PIC objects we need absolute address of the GOT entry.  */
-      if (!info->shared)
-        got_addr += htab->sgotplt->output_section->vma + sgotplt->output_offset;
+      if (!bfd_link_pic (info))
+        got_addr += sgotplt->output_section->vma + sgotplt->output_offset;
 
       /* Fill in the entry in the procedure linkage table.  */
       bfd_put_32 (output_bfd, PLT_ENTRY_WORD_0 + ((got_addr >> 16) & 0xffff),
                   splt->contents + h->plt.offset);
-      if (info->shared)
+      if (bfd_link_pic (info))
         bfd_put_32 (output_bfd, PLT_ENTRY_WORD_1 + (got_addr & 0xffff),
                     splt->contents + h->plt.offset + 4);
       else
@@ -3255,21 +3238,21 @@ microblaze_elf_finish_dynamic_symbol (bfd *output_bfd,
       /* This symbol has an entry in the global offset table.  Set it
          up.  */
 
-      sgot = htab->sgot;
-      srela = htab->srelgot;
+      sgot = htab->elf.sgot;
+      srela = htab->elf.srelgot;
       BFD_ASSERT (sgot != NULL && srela != NULL);
 
       offset = (sgot->output_section->vma + sgot->output_offset
-                       + (h->got.offset &~ (bfd_vma) 1));
+               + (h->got.offset &~ (bfd_vma) 1));
 
       /* If this is a -Bsymbolic link, and the symbol is defined
          locally, we just want to emit a RELATIVE reloc.  Likewise if
          the symbol was forced to be local because of a version file.
          The entry in the global offset table will already have been
          initialized in the relocate_section function.  */
-      if (info->shared
-          && (info->symbolic || h->dynindx == -1)
-          && h->def_regular)
+      if (bfd_link_pic (info)
+          && ((info->symbolic && h->def_regular)
+             || h->dynindx == -1))
         {
           asection *sec = h->root.u.def.section;
           microblaze_elf_output_dynamic_relocation (output_bfd,
@@ -3348,47 +3331,52 @@ microblaze_elf_finish_dynamic_sections (bfd *output_bfd,
       asection *splt;
       Elf32_External_Dyn *dyncon, *dynconend;
 
-      splt = bfd_get_linker_section (dynobj, ".plt");
-      BFD_ASSERT (splt != NULL && sdyn != NULL);
-
       dyncon = (Elf32_External_Dyn *) sdyn->contents;
       dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
       for (; dyncon < dynconend; dyncon++)
         {
           Elf_Internal_Dyn dyn;
-          const char *name;
+         asection *s;
           bfd_boolean size;
 
           bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
 
           switch (dyn.d_tag)
             {
-            case DT_PLTGOT:   name = ".got.plt"; size = FALSE; break;
-            case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
-            case DT_JMPREL:   name = ".rela.plt"; size = FALSE; break;
-            case DT_RELA:     name = ".rela.dyn"; size = FALSE; break;
-            case DT_RELASZ:   name = ".rela.dyn"; size = TRUE; break;
-            default:     name = NULL; size = FALSE; break;
-            }
+           case DT_PLTGOT:
+             s = htab->elf.sgotplt;
+             size = FALSE;
+             break;
 
-          if (name != NULL)
-            {
-              asection *s;
+           case DT_PLTRELSZ:
+             s = htab->elf.srelplt;
+             size = TRUE;
+             break;
 
-              s = bfd_get_section_by_name (output_bfd, name);
-              if (s == NULL)
-                dyn.d_un.d_val = 0;
-              else
-                {
-                  if (! size)
-                    dyn.d_un.d_ptr = s->vma;
-                  else
-                    dyn.d_un.d_val = s->size;
-                }
-              bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+           case DT_JMPREL:
+             s = htab->elf.srelplt;
+             size = FALSE;
+             break;
+
+           default:
+             continue;
             }
+
+         if (s == NULL)
+           dyn.d_un.d_val = 0;
+         else
+           {
+             if (!size)
+               dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
+             else
+               dyn.d_un.d_val = s->size;
+           }
+         bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
         }
 
+      splt = htab->elf.splt;
+      BFD_ASSERT (splt != NULL && sdyn != NULL);
+
       /* Clear the first entry in the procedure linkage table,
         and put a nop in the last four bytes.  */
       if (splt->size > 0)
@@ -3403,7 +3391,7 @@ microblaze_elf_finish_dynamic_sections (bfd *output_bfd,
 
   /* Set the first entry in the global offset table to the address of
      the dynamic section.  */
-  sgot = bfd_get_linker_section (dynobj, ".got.plt");
+  sgot = htab->elf.sgotplt;
   if (sgot && sgot->size > 0)
     {
       if (sdyn == NULL)
@@ -3415,8 +3403,8 @@ microblaze_elf_finish_dynamic_sections (bfd *output_bfd,
       elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
     }
 
-  if (htab->sgot && htab->sgot->size > 0)
-    elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize = 4;
+  if (htab->elf.sgot && htab->elf.sgot->size > 0)
+    elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize = 4;
 
   return TRUE;
 }
@@ -3434,7 +3422,7 @@ microblaze_elf_add_symbol_hook (bfd *abfd,
                                bfd_vma *valp)
 {
   if (sym->st_shndx == SHN_COMMON
-      && !info->relocatable
+      && !bfd_link_relocatable (info)
       && sym->st_size <= elf_gp_size (abfd))
     {
       /* Common symbols less than or equal to -G nn bytes are automatically
@@ -3450,10 +3438,10 @@ microblaze_elf_add_symbol_hook (bfd *abfd,
   return TRUE;
 }
 
-#define TARGET_LITTLE_SYM      bfd_elf32_microblazeel_vec
+#define TARGET_LITTLE_SYM      microblaze_elf32_le_vec
 #define TARGET_LITTLE_NAME     "elf32-microblazeel"
 
-#define TARGET_BIG_SYM          bfd_elf32_microblaze_vec
+#define TARGET_BIG_SYM          microblaze_elf32_vec
 #define TARGET_BIG_NAME                "elf32-microblaze"
 
 #define ELF_ARCH               bfd_arch_microblaze
@@ -3468,7 +3456,7 @@ microblaze_elf_add_symbol_hook (bfd *abfd,
 #define bfd_elf32_bfd_is_local_label_name       microblaze_elf_is_local_label_name
 #define elf_backend_relocate_section           microblaze_elf_relocate_section
 #define bfd_elf32_bfd_relax_section             microblaze_elf_relax_section
-#define bfd_elf32_bfd_merge_private_bfd_data    microblaze_elf_merge_private_bfd_data
+#define bfd_elf32_bfd_merge_private_bfd_data    _bfd_generic_verify_endian_match
 #define bfd_elf32_bfd_reloc_name_lookup                microblaze_elf_reloc_name_lookup
 
 #define elf_backend_gc_mark_hook               microblaze_elf_gc_mark_hook
@@ -3482,6 +3470,7 @@ microblaze_elf_add_symbol_hook (bfd *abfd,
 #define elf_backend_plt_readonly               1
 #define elf_backend_got_header_size            12
 #define elf_backend_rela_normal                1
+#define elf_backend_dtrel_excludes_plt         1
 
 #define elf_backend_adjust_dynamic_symbol       microblaze_elf_adjust_dynamic_symbol
 #define elf_backend_create_dynamic_sections     microblaze_elf_create_dynamic_sections
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