[ARC] Prefer NOP instead of MOV 0,0

[deliverable/binutils-gdb.git] / bfd / elf-m10300.c

diff --git a/bfd/elf-m10300.c b/bfd/elf-m10300.c
index 688a270525c3055cd5cf8d6849c8002920fe269c..f9d8089704087b8df5d06439d43e1cbbd11f151b 100644 (file)
--- a/bfd/elf-m10300.c
+++ b/bfd/elf-m10300.c
@@ -1,5 +1,5 @@
 /* Matsushita 10300 specific support for 32-bit ELF
-   Copyright (C) 1996-2016 Free Software Foundation, Inc.
+   Copyright (C) 1996-2017 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -1025,8 +1025,8 @@ mn10300_do_tls_transition (bfd *         input_bfd,
     default:
       _bfd_error_handler
        /* xgettext:c-format */
-       (_("%s: Unsupported transition from %s to %s"),
-        bfd_get_filename (input_bfd),
+       (_("%B: Unsupported transition from %s to %s"),
+        input_bfd,
         elf_mn10300_howto_table[r_type].name,
         elf_mn10300_howto_table[tls_r_type].name);
       break;
@@ -1174,29 +1174,9 @@ mn10300_elf_check_relocs (bfd *abfd,
            default:                  tls_type = GOT_NORMAL; break;
            }
 
-         if (sgot == NULL)
-           {
-             sgot = htab->root.sgot;
-             BFD_ASSERT (sgot != NULL);
-           }
-
-         if (srelgot == NULL
-             && (h != NULL || bfd_link_pic (info)))
-           {
-             srelgot = bfd_get_linker_section (dynobj, ".rela.got");
-             if (srelgot == NULL)
-               {
-                 flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
-                                   | SEC_IN_MEMORY | SEC_LINKER_CREATED
-                                   | SEC_READONLY);
-                 srelgot = bfd_make_section_anyway_with_flags (dynobj,
-                                                               ".rela.got",
-                                                               flags);
-                 if (srelgot == NULL
-                     || ! bfd_set_section_alignment (dynobj, srelgot, 2))
-                   goto fail;
-               }
-           }
+         sgot = htab->root.sgot;
+         srelgot = htab->root.srelgot;
+         BFD_ASSERT (sgot != NULL && srelgot != NULL);
 
          if (r_type == R_MN10300_TLS_LD)
            {
@@ -1819,7 +1799,7 @@ mn10300_elf_final_link_relocate (reloc_howto_type *howto,
 
       if (!htab->tls_ldm_got.rel_emitted)
        {
-         asection * srelgot = bfd_get_linker_section (dynobj, ".rela.got");
+         asection *srelgot = htab->root.srelgot;
          Elf_Internal_Rela rel;
 
          BFD_ASSERT (srelgot != NULL);
@@ -1896,10 +1876,9 @@ mn10300_elf_final_link_relocate (reloc_howto_type *howto,
 
              if (bfd_link_pic (info))
                {
-                 asection * srelgot;
+                 asection *srelgot = htab->root.srelgot;;
                  Elf_Internal_Rela outrel;
 
-                 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
                  BFD_ASSERT (srelgot != NULL);
 
                  outrel.r_offset = (sgot->output_section->vma
@@ -4973,7 +4952,7 @@ _bfd_mn10300_elf_adjust_dynamic_symbol (struct bfd_link_info * info,
       s->size += 4;
 
       /* We also need to make an entry in the .rela.plt section.  */
-      s = bfd_get_linker_section (dynobj, ".rela.plt");
+      s = htab->root.srelplt;
       BFD_ASSERT (s != NULL);
       s->size += sizeof (Elf32_External_Rela);
 
@@ -5056,7 +5035,7 @@ _bfd_mn10300_elf_size_dynamic_sections (bfd * output_bfd,
   if (elf_hash_table (info)->dynamic_sections_created)
     {
       /* Set the contents of the .interp section to the interpreter.  */
-      if (bfd_link_executable (info))
+      if (bfd_link_executable (info) && !info->nointerp)
        {
          s = bfd_get_linker_section (dynobj, ".interp");
          BFD_ASSERT (s != NULL);
@@ -5078,7 +5057,7 @@ _bfd_mn10300_elf_size_dynamic_sections (bfd * output_bfd,
 
   if (htab->tls_ldm_got.refcount > 0)
     {
-      s = bfd_get_linker_section (dynobj, ".rela.got");
+      s = htab->root.srelgot;
       BFD_ASSERT (s != NULL);
       s->size += sizeof (Elf32_External_Rela);
     }
@@ -5242,7 +5221,7 @@ _bfd_mn10300_elf_finish_dynamic_symbol (bfd * output_bfd,
 
       splt = htab->root.splt;
       sgot = htab->root.sgotplt;
-      srel = bfd_get_linker_section (dynobj, ".rela.plt");
+      srel = htab->root.srelplt;
       BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
 
       /* Get the index in the procedure linkage table which
@@ -5320,7 +5299,7 @@ _bfd_mn10300_elf_finish_dynamic_symbol (bfd * output_bfd,
 
       /* This symbol has an entry in the global offset table.  Set it up.  */
       sgot = htab->root.sgot;
-      srel = bfd_get_linker_section (dynobj, ".rela.got");
+      srel = htab->root.srelgot;
       BFD_ASSERT (sgot != NULL && srel != NULL);
 
       rel.r_offset = (sgot->output_section->vma
@@ -5449,7 +5428,6 @@ _bfd_mn10300_elf_finish_dynamic_sections (bfd * output_bfd,
       for (; dyncon < dynconend; dyncon++)
        {
          Elf_Internal_Dyn dyn;
-         const char * name;
          asection * s;
 
          bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
@@ -5460,38 +5438,21 @@ _bfd_mn10300_elf_finish_dynamic_sections (bfd * output_bfd,
              break;
 
            case DT_PLTGOT:
-             name = ".got";
+             s = htab->root.sgot;
              goto get_vma;
 
            case DT_JMPREL:
-             name = ".rela.plt";
+             s = htab->root.srelplt;
            get_vma:
-             s = bfd_get_linker_section (dynobj, name);
              dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
              bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
              break;
 
            case DT_PLTRELSZ:
-             s = bfd_get_linker_section (dynobj, ".rela.plt");
+             s = htab->root.srelplt;
              dyn.d_un.d_val = s->size;
              bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
              break;
-
-           case DT_RELASZ:
-             /* My reading of the SVR4 ABI indicates that the
-                procedure linkage table relocs (DT_JMPREL) should be
-                included in the overall relocs (DT_RELA).  This is
-                what Solaris does.  However, UnixWare can not handle
-                that case.  Therefore, we override the DT_RELASZ entry
-                here to make it not include the JMPREL relocs.  Since
-                the linker script arranges for .rela.plt to follow all
-                other relocation sections, we don't have to worry
-                about changing the DT_RELA entry.  */
-             s = bfd_get_linker_section (dynobj, ".rela.plt");
-             if (s != NULL)
-               dyn.d_un.d_val -= s->size;
-             bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
-             break;
            }
        }
 
@@ -5632,5 +5593,6 @@ mn10300_elf_mkobject (bfd *abfd)
 #define elf_backend_plt_readonly       1
 #define elf_backend_want_plt_sym       0
 #define elf_backend_got_header_size    12
+#define elf_backend_dtrel_excludes_plt 1
 
 #include "elf32-target.h"