elf: Strip zero-sized dynamic sections

[deliverable/binutils-gdb.git] / ld / emultempl / nios2elf.em

diff --git a/ld/emultempl/nios2elf.em b/ld/emultempl/nios2elf.em
index 6936f1158da712a9f91f27b5d26e221146b9844f..77e23b4f8d5016d988b7527c04cace22cfc8d176 100644 (file)
--- a/ld/emultempl/nios2elf.em
+++ b/ld/emultempl/nios2elf.em
@@ -1,5 +1,5 @@
 # This shell script emits a C file. -*- C -*-
-#   Copyright (C) 2013-2014 Free Software Foundation, Inc.
+#   Copyright (C) 2013-2020 Free Software Foundation, Inc.
 #
 # This file is part of GNU Binutils.
 #
@@ -19,7 +19,7 @@
 # MA 02110-1301, USA.
 #
 
-# This file is sourced from elf32.em, and defines extra Nios II ELF
+# This file is sourced from elf.em, and defines extra Nios II ELF
 # specific routines. Taken from metagelf.em.
 #
 fragment <<EOF
@@ -41,16 +41,16 @@ static int need_laying_out = 0;
 static void
 nios2elf_create_output_section_statements (void)
 {
-  extern const bfd_target bfd_elf32_littlenios2_vec, bfd_elf32_bignios2_vec;
+  extern const bfd_target nios2_elf32_le_vec, nios2_elf32_be_vec;
 
-  if (link_info.output_bfd->xvec != &bfd_elf32_littlenios2_vec
-      && link_info.output_bfd->xvec != &bfd_elf32_bignios2_vec)
+  if (link_info.output_bfd->xvec != &nios2_elf32_le_vec
+      && link_info.output_bfd->xvec != &nios2_elf32_be_vec)
     return;
 
   /* If --no-relax was not explicitly specified by the user, enable
      relaxation.  If it's not enabled (either explicitly or by default),
      we're done, as we won't need to create any stubs.  */
-  if (!link_info.relocatable && RELAXATION_DISABLED_BY_DEFAULT)
+  if (!bfd_link_relocatable (&link_info) && RELAXATION_DISABLED_BY_DEFAULT)
     ENABLE_RELAXATION;
   if (!RELAXATION_ENABLED)
     return;
@@ -64,7 +64,7 @@ nios2elf_create_output_section_statements (void)
                              bfd_get_arch (link_info.output_bfd),
                              bfd_get_mach (link_info.output_bfd)))
     {
-      einfo ("%X%P: can not create BFD %E\n");
+      einfo (_("%F%P: can not create BFD: %E\n"));
       return;
     }
 
@@ -181,7 +181,7 @@ nios2elf_add_stub_section (const char *stub_sec_name, asection *input_section,
     goto err_ret;
 
   output_section = input_section->output_section;
-  secname = bfd_get_section_name (output_section->owner, output_section);
+  secname = bfd_section_name (output_section);
   os = lang_output_section_find (secname);
 
   info.input_section = input_section;
@@ -195,7 +195,7 @@ nios2elf_add_stub_section (const char *stub_sec_name, asection *input_section,
     return stub_sec;
 
  err_ret:
-  einfo ("%X%P: can not make stub section: %E\n");
+  einfo (_("%X%P: can not make stub section: %E\n"));
   return NULL;
 }
 
@@ -208,7 +208,7 @@ nios2elf_layout_sections_again (void)
   /* If we have changed sizes of the stub sections, then we need
      to recalculate all the section offsets.  This may mean we need to
      add even more stubs.  */
-  gld${EMULATION_NAME}_map_segments (TRUE);
+  ldelf_map_segments (TRUE);
   need_laying_out = -1;
 }
 
@@ -236,25 +236,33 @@ build_section_lists (lang_statement_union_type *statement)
 static void
 gld${EMULATION_NAME}_after_allocation (void)
 {
+  int ret;
+
   /* bfd_elf_discard_info just plays with data and debugging sections,
      ie. doesn't affect code size, so we can delay resizing the
      sections.  It's likely we'll resize everything in the process of
      adding stubs.  */
-  if (bfd_elf_discard_info (link_info.output_bfd, &link_info))
+  ret = bfd_elf_discard_info (link_info.output_bfd, &link_info);
+  if (ret < 0)
+    {
+      einfo (_("%X%P: .eh_frame/.stab edit: %E\n"));
+      return;
+    }
+  else if (ret > 0)
     need_laying_out = 1;
 
   /* If generating a relocatable output file, then we don't
      have to examine the relocs.  */
-  if (stub_file != NULL && !link_info.relocatable && RELAXATION_ENABLED)
+  if (stub_file != NULL
+      && !bfd_link_relocatable (&link_info)
+      && RELAXATION_ENABLED)
     {
-      int ret = nios2_elf32_setup_section_lists (link_info.output_bfd,
-                                                &link_info);
-
+      ret = nios2_elf32_setup_section_lists (link_info.output_bfd, &link_info);
       if (ret != 0)
        {
          if (ret < 0)
            {
-             einfo ("%X%P: can not size stub section: %E\n");
+             einfo (_("%X%P: can not size stub section: %E\n"));
              return;
            }
 
@@ -267,47 +275,26 @@ gld${EMULATION_NAME}_after_allocation (void)
                                        &nios2elf_add_stub_section,
                                        &nios2elf_layout_sections_again))
            {
-             einfo ("%X%P: can not size stub section: %E\n");
+             einfo (_("%X%P: can not size stub section: %E\n"));
              return;
            }
        }
     }
 
   if (need_laying_out != -1)
-    gld${EMULATION_NAME}_map_segments (need_laying_out);
+    ldelf_map_segments (need_laying_out);
 
-  if (!link_info.relocatable && RELAXATION_ENABLED)
+  if (!bfd_link_relocatable (&link_info) && RELAXATION_ENABLED)
     {
       /* Now build the linker stubs.  */
       if (stub_file != NULL && stub_file->the_bfd->sections != NULL)
        {
          if (! nios2_elf32_build_stubs (&link_info))
-           einfo ("%X%P: can not build stubs: %E\n");
+           einfo (_("%X%P: can not build stubs: %E\n"));
        }
     }
 }
 
-
-/* Avoid processing the fake stub_file in vercheck, stat_needed and
-   check_needed routines.  */
-
-static void (*real_func) (lang_input_statement_type *);
-
-static void nios2_for_each_input_file_wrapper (lang_input_statement_type *l)
-{
-  if (l != stub_file)
-    (*real_func) (l);
-}
-
-static void
-nios2_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
-{
-  real_func = func;
-  lang_for_each_input_file (&nios2_for_each_input_file_wrapper);
-}
-
-#define lang_for_each_input_file nios2_lang_for_each_input_file
-
 EOF