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[deliverable/binutils-gdb.git] / bfd / elf32-tilepro.c

diff --git a/bfd/elf32-tilepro.c b/bfd/elf32-tilepro.c
index ebd5046c46c8be8f9a93b8fb3abb4842c90278e8..660b112abe13b53684cbbb567c78c570b330572d 100644 (file)
--- a/bfd/elf32-tilepro.c
+++ b/bfd/elf32-tilepro.c
@@ -1,5 +1,5 @@
 /* TILEPro-specific support for 32-bit ELF.
-   Copyright (C) 2011-2016 Free Software Foundation, Inc.
+   Copyright (C) 2011-2017 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -754,10 +754,6 @@ struct tilepro_elf_link_hash_table
 {
   struct elf_link_hash_table elf;
 
-  /* Short-cuts to get to dynamic linker sections.  */
-  asection *sdynbss;
-  asection *srelbss;
-
   /* Small local sym to section mapping cache.  */
   struct sym_cache sym_cache;
 };
@@ -1234,8 +1230,7 @@ tilepro_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
   struct elf_link_hash_table *htab = elf_hash_table (info);
 
   /* This function may be called more than once.  */
-  s = bfd_get_linker_section (abfd, ".got");
-  if (s != NULL)
+  if (htab->sgot != NULL)
     return TRUE;
 
   flags = bed->dynamic_sec_flags;
@@ -1296,26 +1291,10 @@ static bfd_boolean
 tilepro_elf_create_dynamic_sections (bfd *dynobj,
                                     struct bfd_link_info *info)
 {
-  struct tilepro_elf_link_hash_table *htab;
-
-  htab = tilepro_elf_hash_table (info);
-  BFD_ASSERT (htab != NULL);
-
   if (!tilepro_elf_create_got_section (dynobj, info))
     return FALSE;
 
-  if (!_bfd_elf_create_dynamic_sections (dynobj, info))
-    return FALSE;
-
-  htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss");
-  if (!bfd_link_pic (info))
-    htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss");
-
-  if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss
-      || (!bfd_link_pic (info) && !htab->srelbss))
-    abort ();
-
-  return TRUE;
+  return _bfd_elf_create_dynamic_sections (dynobj, info);
 }
 
 /* Copy the extra info we tack onto an elf_link_hash_entry.  */
@@ -2083,7 +2062,7 @@ tilepro_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
   struct tilepro_elf_link_hash_table *htab;
   struct tilepro_elf_link_hash_entry * eh;
   struct tilepro_elf_dyn_relocs *p;
-  asection *s;
+  asection *s, *srel;
 
   htab = tilepro_elf_hash_table (info);
   BFD_ASSERT (htab != NULL);
@@ -2185,13 +2164,23 @@ tilepro_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
      to copy the initial value out of the dynamic object and into the
      runtime process image.  We need to remember the offset into the
      .rel.bss section we are going to use.  */
+  if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
+    {
+      s = htab->elf.sdynrelro;
+      srel = htab->elf.sreldynrelro;
+    }
+  else
+    {
+      s = htab->elf.sdynbss;
+      srel = htab->elf.srelbss;
+    }
   if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
     {
-      htab->srelbss->size += TILEPRO_ELF_RELA_BYTES;
+      srel->size += TILEPRO_ELF_RELA_BYTES;
       h->needs_copy = 1;
     }
 
-  return _bfd_elf_adjust_dynamic_copy (info, h, htab->sdynbss);
+  return _bfd_elf_adjust_dynamic_copy (info, h, s);
 }
 
 /* Allocate space in .plt, .got and associated reloc sections for
@@ -2586,7 +2575,8 @@ tilepro_elf_size_dynamic_sections (bfd *output_bfd,
       if (s == htab->elf.splt
          || s == htab->elf.sgot
          || s == htab->elf.sgotplt
-         || s == htab->sdynbss)
+         || s == htab->elf.sdynbss
+         || s == htab->elf.sdynrelro)
        {
          /* Strip this section if we don't need it; see the
             comment below.  */
@@ -3818,14 +3808,15 @@ tilepro_elf_finish_dynamic_symbol (bfd *output_bfd,
       /* This symbols needs a copy reloc.  Set it up.  */
       BFD_ASSERT (h->dynindx != -1);
 
-      s = htab->srelbss;
-      BFD_ASSERT (s != NULL);
-
       rela.r_offset = (h->root.u.def.value
                       + h->root.u.def.section->output_section->vma
                       + h->root.u.def.section->output_offset);
       rela.r_info = ELF32_R_INFO (h->dynindx, R_TILEPRO_COPY);
       rela.r_addend = 0;
+      if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
+       s = htab->elf.sreldynrelro;
+      else
+       s = htab->elf.srelbss;
       tilepro_elf_append_rela_32 (output_bfd, s, &rela);
     }
 
@@ -4066,6 +4057,7 @@ tilepro_additional_program_headers (bfd *abfd,
 #define elf_backend_plt_alignment 6
 #define elf_backend_want_plt_sym 1
 #define elf_backend_got_header_size GOT_ENTRY_SIZE
+#define elf_backend_want_dynrelro 1
 #define elf_backend_rela_normal 1
 #define elf_backend_default_execstack 0