fix set but unused variable warnings

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

diff --git a/bfd/elf-m10300.c b/bfd/elf-m10300.c
index 354a503ec0e6c6e2779fb8886f9dd2c9fca8ef5d..f151c21d278723de1e0e46d6d7e7b4e2b9d799c2 100644 (file)
--- a/bfd/elf-m10300.c
+++ b/bfd/elf-m10300.c
@@ -1,6 +1,6 @@
 /* Matsushita 10300 specific support for 32-bit ELF
    Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-   2006, 2007 Free Software Foundation, Inc.
+   2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -98,7 +98,8 @@ struct elf32_mn10300_link_hash_table
 /* Get the MN10300 ELF linker hash table from a link_info structure.  */
 
 #define elf32_mn10300_hash_table(p) \
-  ((struct elf32_mn10300_link_hash_table *) ((p)->hash))
+  (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+  == MN10300_ELF_DATA ? ((struct elf32_mn10300_link_hash_table *) ((p)->hash)) : NULL)
 
 #define elf32_mn10300_link_hash_traverse(table, func, info)            \
   (elf_link_hash_traverse                                              \
@@ -986,14 +987,11 @@ mn10300_elf_final_link_relocate (reloc_howto_type *howto,
   unsigned long r_type = howto->type;
   bfd_byte * hit_data = contents + offset;
   bfd *      dynobj;
-  bfd_vma *  local_got_offsets;
   asection * sgot;
   asection * splt;
   asection * sreloc;
 
   dynobj = elf_hash_table (info)->dynobj;
-  local_got_offsets = elf_local_got_offsets (input_bfd);
-
   sgot   = NULL;
   splt   = NULL;
   sreloc = NULL;
@@ -1274,8 +1272,6 @@ mn10300_elf_final_link_relocate (reloc_howto_type *howto,
          && ELF_ST_VISIBILITY (h->other) != STV_HIDDEN
          && h->plt.offset != (bfd_vma) -1)
        {
-         asection * splt;
-
          splt = bfd_get_section_by_name (dynobj, ".plt");
 
          value = (splt->output_section->vma
@@ -1297,8 +1293,6 @@ mn10300_elf_final_link_relocate (reloc_howto_type *howto,
          && ELF_ST_VISIBILITY (h->other) != STV_HIDDEN
          && h->plt.offset != (bfd_vma) -1)
        {
-         asection * splt;
-
          splt = bfd_get_section_by_name (dynobj, ".plt");
 
          value = (splt->output_section->vma
@@ -1321,8 +1315,6 @@ mn10300_elf_final_link_relocate (reloc_howto_type *howto,
     case R_MN10300_GOT24:
     case R_MN10300_GOT16:
       {
-       asection * sgot;
-
        sgot = bfd_get_section_by_name (dynobj, ".got");
 
          if (h != NULL)
@@ -1493,7 +1485,7 @@ mn10300_elf_relocate_section (bfd *output_bfd,
                      /* _32 relocs in executables force _COPY relocs,
                         such that the address of the symbol ends up
                         being local.  */
-                     && !info->executable                    
+                     && !info->executable
                      && !SYMBOL_REFERENCES_LOCAL (info, hh)
                      && ((input_section->flags & SEC_ALLOC) != 0
                          /* DWARF will emit R_MN10300_32 relocations
@@ -2082,6 +2074,8 @@ mn10300_elf_relax_section (bfd *abfd,
 
   /* We need a pointer to the mn10300 specific hash table.  */
   hash_table = elf32_mn10300_hash_table (link_info);
+  if (hash_table == NULL)
+    return FALSE;
 
   /* Initialize fields in each hash table entry the first time through.  */
   if ((hash_table->flags & MN10300_HASH_ENTRIES_INITIALIZED) == 0)
@@ -2112,7 +2106,6 @@ mn10300_elf_relax_section (bfd *abfd,
               section = section->next)
            {
              struct elf32_mn10300_link_hash_entry *hash;
-             Elf_Internal_Sym *sym;
              asection *sym_sec = NULL;
              const char *sym_name;
              char *new_name;
@@ -2166,7 +2159,6 @@ mn10300_elf_relax_section (bfd *abfd,
                      /* We need the name and hash table entry of the target
                         symbol!  */
                      hash = NULL;
-                     sym = NULL;
                      sym_sec = NULL;
 
                      if (r_index < symtab_hdr->sh_info)
@@ -3983,7 +3975,8 @@ elf32_mn10300_link_hash_table_create (bfd *abfd)
 
   if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
                                      elf32_mn10300_link_hash_newfunc,
-                                     sizeof (struct elf32_mn10300_link_hash_entry)))
+                                     sizeof (struct elf32_mn10300_link_hash_entry),
+                                     MN10300_ELF_DATA))
     {
       free (ret);
       return NULL;
@@ -4000,7 +3993,8 @@ elf32_mn10300_link_hash_table_create (bfd *abfd)
 
   if (!_bfd_elf_link_hash_table_init (&ret->static_hash_table->root, abfd,
                                      elf32_mn10300_link_hash_newfunc,
-                                     sizeof (struct elf32_mn10300_link_hash_entry)))
+                                     sizeof (struct elf32_mn10300_link_hash_entry),
+                                     MN10300_ELF_DATA))
     {
       free (ret->static_hash_table);
       free (ret);