Add support to GDB for the Renesas rl78 architecture.

[external/binutils.git] / bfd / elf32-cr16c.c

diff --git a/bfd/elf32-cr16c.c b/bfd/elf32-cr16c.c
index eb85bd3..ca2d7cb 100644 (file)
--- a/bfd/elf32-cr16c.c
+++ b/bfd/elf32-cr16c.c
@@ -1,11 +1,12 @@
 /* BFD back-end for National Semiconductor's CR16C ELF
-   Copyright 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+   Copyright 2004, 2005, 2006, 2007, 2009, 2010
+   Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -15,10 +16,11 @@
 
    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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
 
-#include "bfd.h"
 #include "sysdep.h"
+#include "bfd.h"
 #include "libbfd.h"
 #include "bfdlink.h"
 #include "elf/cr16c.h"
@@ -150,6 +152,20 @@ elf_cr16c_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
   return 0;
 }
 
+static reloc_howto_type *
+elf_cr16c_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+                            const char *r_name)
+{
+  unsigned int i;
+
+  for (i = 0; i < sizeof (elf_howto_table) / sizeof (elf_howto_table[0]); i++)
+    if (elf_howto_table[i].name != NULL
+       && strcasecmp (elf_howto_table[i].name, r_name) == 0)
+      return &elf_howto_table[i];
+
+  return NULL;
+}
+
 static void
 elf_cr16c_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
                         arelent *cache_ptr ATTRIBUTE_UNUSED,
@@ -189,7 +205,6 @@ cr16c_elf_final_link_relocate (reloc_howto_type *howto,
   unsigned long format, addr_type, code_factor;
   unsigned short size;
   unsigned short r_type;
-  asymbol *symbol = NULL;
 
   unsigned long disp20_opcod;
   char neg = 0;
@@ -209,9 +224,6 @@ cr16c_elf_final_link_relocate (reloc_howto_type *howto,
   addr_type = r_type & R_ADDRTYPE;
   code_factor = ((addr_type == R_CODE_ADDR) ? 1 : 0);
 
-  if (sym_sec)
-    symbol = sym_sec->symbol;
-
   switch (format)
     {
     case R_NUMBER:
@@ -712,15 +724,8 @@ elf32_cr16c_relocate_section (bfd *output_bfd,
        }
 
       if (sec != NULL && elf_discarded_section (sec))
-       {
-         /* For relocs against symbols from removed linkonce sections,
-            or sections discarded by a linker script, we just want the
-            section contents zeroed.  Avoid any special processing.  */
-         _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
-         rel->r_info = 0;
-         rel->r_addend = 0;
-         continue;
-       }
+       RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+                                        rel, relend, howto, contents);
 
       if (info->relocatable)
        {
@@ -912,7 +917,7 @@ elf32_cr16c_add_symbol_hook (bfd *abfd,
   return TRUE;
 }
 
-static bfd_boolean
+static int
 elf32_cr16c_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
                                     const char *name ATTRIBUTE_UNUSED,
                                     Elf_Internal_Sym *sym,
@@ -931,7 +936,7 @@ elf32_cr16c_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED
        sym->st_shndx = SHN_CR16C_NCOMMON;
     }
 
-  return TRUE;
+  return 1;
 }
 
 /* Definitions for setting CR16C target vector.  */
@@ -943,6 +948,7 @@ elf32_cr16c_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED
 #define elf_symbol_leading_char                '_'
 
 #define bfd_elf32_bfd_reloc_type_lookup                elf_cr16c_reloc_type_lookup
+#define bfd_elf32_bfd_reloc_name_lookup        elf_cr16c_reloc_name_lookup
 #define elf_info_to_howto                      elf_cr16c_info_to_howto
 #define elf_info_to_howto_rel                  elf_cr16c_info_to_howto_rel
 #define elf_backend_relocate_section           elf32_cr16c_relocate_section