gdb: add target_ops::supports_displaced_step

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

diff --git a/bfd/elf-vxworks.c b/bfd/elf-vxworks.c
index bb9dbbbafa5a17c6155cdc2739229b82176c49a3..0984cc83e6dc2f7aa9490024b30490a45429e006 100644 (file)
--- a/bfd/elf-vxworks.c
+++ b/bfd/elf-vxworks.c
@@ -1,5 +1,5 @@
 /* VxWorks support for ELF
-   Copyright 2005, 2006, 2007, 2009, 2012 Free Software Foundation, Inc.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -14,9 +14,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston,
-   MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* This file provides routines used by all VxWorks targets.  */
 
@@ -64,7 +62,7 @@ elf_vxworks_add_symbol_hook (bfd *abfd,
      give the symbol weak binding to get the desired samantics.
      This transformation will be undone in
      elf_i386_vxworks_link_output_symbol_hook. */
-  if ((info->shared || abfd->flags & DYNAMIC)
+  if ((bfd_link_pic (info) || abfd->flags & DYNAMIC)
       && elf_vxworks_gott_symbol_p (abfd, *namep))
     {
       sym->st_info = ELF_ST_INFO (STB_WEAK, ELF_ST_TYPE (sym->st_info));
@@ -89,7 +87,7 @@ elf_vxworks_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info,
   htab = elf_hash_table (info);
   bed = get_elf_backend_data (dynobj);
 
-  if (!info->shared)
+  if (!bfd_link_pic (info))
     {
       s = bfd_make_section_anyway_with_flags (dynobj,
                                              bed->default_use_rela_p
@@ -99,7 +97,7 @@ elf_vxworks_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info,
                                              | SEC_READONLY
                                              | SEC_LINKER_CREATED);
       if (s == NULL
-         || !bfd_set_section_alignment (dynobj, s, bed->s->log_file_align))
+         || !bfd_set_section_alignment (s, bed->s->log_file_align))
        return FALSE;
 
       *srelplt2_out = s;
@@ -182,15 +180,15 @@ elf_vxworks_emit_relocs (bfd *output_bfd,
              && (*hash_ptr)->root.u.def.section->output_section != NULL)
            {
              /* This is a relocation from an executable or shared
-                library against a symbol in a different shared
-                library.  We are creating a definition in the output
-                file but it does not come from any of our normal (.o)
-                files. ie. a PLT stub.  Normally this would be a
-                relocation against against SHN_UNDEF with the VMA of
-                the PLT stub.  This upsets the VxWorks loader.
-                Convert it to a section-relative relocation.  This
-                gets some other symbols (for instance .dynbss), but
-                is conservatively correct.  */
+                library against a symbol in a different shared
+                library.  We are creating a definition in the output
+                file but it does not come from any of our normal (.o)
+                files. ie. a PLT stub.  Normally this would be a
+                relocation against against SHN_UNDEF with the VMA of
+                the PLT stub.  This upsets the VxWorks loader.
+                Convert it to a section-relative relocation.  This
+                gets some other symbols (for instance .dynbss), but
+                is conservatively correct.  */
              for (j = 0; j < bed->s->int_rels_per_ext_rel; j++)
                {
                  asection *sec = (*hash_ptr)->root.u.def.section;
@@ -214,9 +212,8 @@ elf_vxworks_emit_relocs (bfd *output_bfd,
 
 /* Set the sh_link and sh_info fields on the static plt relocation secton.  */
 
-void
-elf_vxworks_final_write_processing (bfd *abfd,
-                                   bfd_boolean linker ATTRIBUTE_UNUSED)
+bfd_boolean
+elf_vxworks_final_write_processing (bfd *abfd)
 {
   asection * sec;
   struct bfd_elf_section_data *d;
@@ -224,13 +221,15 @@ elf_vxworks_final_write_processing (bfd *abfd,
   sec = bfd_get_section_by_name (abfd, ".rel.plt.unloaded");
   if (!sec)
     sec = bfd_get_section_by_name (abfd, ".rela.plt.unloaded");
-  if (!sec)
-    return;
-  d = elf_section_data (sec);
-  d->this_hdr.sh_link = elf_onesymtab (abfd);
-  sec = bfd_get_section_by_name (abfd, ".plt");
   if (sec)
-    d->this_hdr.sh_info = elf_section_data (sec)->this_idx;
+    {
+      d = elf_section_data (sec);
+      d->this_hdr.sh_link = elf_onesymtab (abfd);
+      sec = bfd_get_section_by_name (abfd, ".plt");
+      if (sec)
+       d->this_hdr.sh_info = elf_section_data (sec)->this_idx;
+    }
+  return _bfd_elf_final_write_processing (abfd);
 }
 
 /* Add the dynamic entries required by VxWorks.  These point to the
@@ -280,9 +279,7 @@ elf_vxworks_finish_dynamic_entry (bfd *output_bfd, Elf_Internal_Dyn *dyn)
 
     case DT_VX_WRS_TLS_DATA_ALIGN:
       sec = bfd_get_section_by_name (output_bfd, ".tls_data");
-      dyn->d_un.d_val
-       = (bfd_size_type)1 << bfd_get_section_alignment (output_bfd,
-                                                        sec);
+      dyn->d_un.d_val = (bfd_size_type) 1 << bfd_section_alignment (sec);
       break;
 
     case DT_VX_WRS_TLS_VARS_START: