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[deliverable/binutils-gdb.git] / bfd / elf64-sh64.c

diff --git a/bfd/elf64-sh64.c b/bfd/elf64-sh64.c
index 2b1278bba0410ec9f9cf658ded0732942ee94c69..4d6d8d5645fac50019b4cadd12aa5fa03899c663 100644 (file)
--- a/bfd/elf64-sh64.c
+++ b/bfd/elf64-sh64.c
@@ -1,5 +1,5 @@
 /* SuperH SH64-specific support for 64-bit ELF
-   Copyright 2000, 2001, 2002, 2003, 2004, 2005
+   Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -1623,9 +1623,12 @@ sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
              else if (sec->output_section == NULL)
                {
                  (*_bfd_error_handler)
-                   (_("%s: warning: unresolvable relocation against symbol `%s' from %s section"),
-                    bfd_get_filename (input_bfd), h->root.root.string,
-                    bfd_get_section_name (input_bfd, input_section));
+                   (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
+                    input_bfd,
+                    input_section,
+                    (long) rel->r_offset,
+                    howto->name,
+                    h->root.root.string);
                  relocation = 0;
                }
              else
@@ -2456,7 +2459,12 @@ sh_elf64_check_relocs (bfd *abfd, struct bfd_link_info *info,
       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];
+         while (h->root.type == bfd_link_hash_indirect
+                || h->root.type == bfd_link_hash_warning)
+           h = (struct elf_link_hash_entry *) h->root.u.i.link;
+       }
 
       /* Some relocs require a global offset table.  */
       if (dynobj == NULL)
@@ -3130,8 +3138,9 @@ sh64_elf64_link_hash_table_create (bfd *abfd)
   if (ret == (struct elf_sh64_link_hash_table *) NULL)
     return NULL;
 
-  if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
-                                      sh64_elf64_link_hash_newfunc))
+  if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
+                                     sh64_elf64_link_hash_newfunc,
+                                     sizeof (struct elf_sh64_link_hash_entry)))
     {
       free (ret);
       return NULL;
@@ -3232,6 +3241,7 @@ sh64_elf64_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
       h = (struct elf_link_hash_entry *) bh;
       h->def_regular = 1;
       h->type = STT_OBJECT;
+      elf_hash_table (info)->hplt = h;
 
       if (info->shared
          && ! bfd_elf_link_record_dynamic_symbol (info, h))
@@ -3429,6 +3439,13 @@ sh64_elf64_adjust_dynamic_symbol (struct bfd_link_info *info,
   if (!h->non_got_ref)
     return TRUE;
 
+  if (h->size == 0)
+    {
+      (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
+                            h->root.root.string);
+      return TRUE;
+    }
+
   /* We must allocate the symbol in our .dynbss section, which will
      become part of the .bss section of the executable.  There will be
      an entry for this symbol in the .dynsym section.  The dynamic
@@ -3561,7 +3578,6 @@ sh64_elf64_size_dynamic_sections (bfd *output_bfd,
   for (s = dynobj->sections; s != NULL; s = s->next)
     {
       const char *name;
-      bfd_boolean strip;
 
       if ((s->flags & SEC_LINKER_CREATED) == 0)
        continue;
@@ -3570,38 +3586,14 @@ sh64_elf64_size_dynamic_sections (bfd *output_bfd,
         of the dynobj section names depend upon the input files.  */
       name = bfd_get_section_name (dynobj, s);
 
-      strip = FALSE;
-
       if (strcmp (name, ".plt") == 0)
        {
-         if (s->size == 0)
-           {
-             /* Strip this section if we don't need it; see the
-                comment below.  */
-             strip = TRUE;
-           }
-         else
-           {
-             /* Remember whether there is a PLT.  */
-             plt = TRUE;
-           }
+         /* Remember whether there is a PLT.  */
+         plt = s->size != 0;
        }
       else if (strncmp (name, ".rela", 5) == 0)
        {
-         if (s->size == 0)
-           {
-             /* If we don't need this section, strip it from the
-                output file.  This is mostly to handle .rela.bss and
-                .rela.plt.  We must create both sections in
-                create_dynamic_sections, because they must be created
-                before the linker maps input sections to output
-                sections.  The linker does that before
-                adjust_dynamic_symbol is called, and it is that
-                function which decides whether anything needs to go
-                into these sections.  */
-             strip = TRUE;
-           }
-         else
+         if (s->size != 0)
            {
              asection *target;
 
@@ -3632,21 +3624,34 @@ sh64_elf64_size_dynamic_sections (bfd *output_bfd,
              s->reloc_count = 0;
            }
        }
-      else if (strncmp (name, ".got", 4) != 0)
+      else if (strncmp (name, ".got", 4) != 0
+              && strcmp (name, ".dynbss") != 0)
        {
          /* It's not one of our sections, so don't allocate space.  */
          continue;
        }
 
-      if (strip)
+      if (s->size == 0)
        {
+         /* If we don't need this section, strip it from the
+            output file.  This is mostly to handle .rela.bss and
+            .rela.plt.  We must create both sections in
+            create_dynamic_sections, because they must be created
+            before the linker maps input sections to output
+            sections.  The linker does that before
+            adjust_dynamic_symbol is called, and it is that
+            function which decides whether anything needs to go
+            into these sections.  */
          s->flags |= SEC_EXCLUDE;
          continue;
        }
 
+      if ((s->flags & SEC_HAS_CONTENTS) == 0)
+       continue;
+
       /* Allocate memory for the section contents.  */
       s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
-      if (s->contents == NULL && s->size != 0)
+      if (s->contents == NULL)
        return FALSE;
     }
 
@@ -3885,7 +3890,7 @@ sh64_elf64_finish_dynamic_symbol (bfd *output_bfd,
 
   /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute.  */
   if (strcmp (h->root.root.string, "_DYNAMIC") == 0
-      || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+      || h == elf_hash_table (info)->hgot)
     sym->st_shndx = SHN_ABS;
 
   return TRUE;
@@ -4063,7 +4068,7 @@ sh64_elf64_merge_symbol_attribute (struct elf_link_hash_entry *h,
   return;
 }
 
-static struct bfd_elf_special_section const sh64_elf64_special_sections[]=
+static const struct bfd_elf_special_section sh64_elf64_special_sections[]=
 {
   { ".cranges", 8, 0, SHT_PROGBITS, 0 },
   { NULL,       0, 0, 0,            0 }