/* Infineon XC16X-specific support for 16-bit ELF.
- Copyright 2006 Free Software Foundation, Inc.
- Contributed by KPIT Cummins Infosystems
+ Copyright (C) 2006-2014 Free Software Foundation, Inc.
+ Contributed by KPIT Cummins Infosystems
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,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ Foundation, 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/xc16x.h"
-#include "elf/dwarf2.h"
+#include "dwarf2.h"
#include "libiberty.h"
static reloc_howto_type xc16x_elf_howto_table [] =
return NULL;
}
+static reloc_howto_type *
+xc16x_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (xc16x_elf_howto_table) / sizeof (xc16x_elf_howto_table[0]);
+ i++)
+ if (xc16x_elf_howto_table[i].name != NULL
+ && strcasecmp (xc16x_elf_howto_table[i].name, r_name) == 0)
+ return &xc16x_elf_howto_table[i];
+
+ return NULL;
+}
+
/* For a particular operand this function is
called to finalise the type of relocation. */
struct elf_link_hash_entry **sym_hashes;
Elf_Internal_Rela *rel, *relend;
- if (info->relocatable)
- return TRUE;
-
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
asection *sec;
struct elf_link_hash_entry *h;
bfd_vma relocation;
- bfd_reloc_status_type r;
/* This is a final link. */
r_symndx = ELF32_R_SYM (rel->r_info);
}
else
{
- bfd_boolean unresolved_reloc, warned;
+ bfd_boolean unresolved_reloc, warned, ignored;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
h, sec, relocation,
- unresolved_reloc, warned);
+ unresolved_reloc, warned, ignored);
+ }
+
+ if (sec != NULL && discarded_section (sec))
+ {
+ /* For relocs against symbols from removed linkonce sections,
+ or sections discarded by a linker script, we just want the
+ section contents cleared. Avoid any special processing. */
+ reloc_howto_type *howto;
+ howto = xc16x_reloc_type_lookup (input_bfd, r_type);
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, 1, relend, howto, 0, contents);
}
- r = elf32_xc16x_final_link_relocate (r_type, input_bfd, output_bfd,
- input_section,
- contents, rel->r_offset,
- relocation, rel->r_addend,
- info, sec, h == NULL);
+ if (info->relocatable)
+ continue;
+
+ elf32_xc16x_final_link_relocate (r_type, input_bfd, output_bfd,
+ input_section,
+ contents, rel->r_offset,
+ relocation, rel->r_addend,
+ info, sec, h == NULL);
}
return TRUE;
static unsigned long
elf32_xc16x_mach (flagword flags)
-{
+{
switch (flags)
{
case 0x1000:
- default:
+ default:
return bfd_mach_xc16x;
case 0x1001:
#define ELF_MACHINE_CODE EM_XC16X
#define ELF_MAXPAGESIZE 0x100
-#define TARGET_LITTLE_SYM bfd_elf32_xc16x_vec
+#define TARGET_LITTLE_SYM xc16x_elf32_vec
#define TARGET_LITTLE_NAME "elf32-xc16x"
#define elf_backend_final_write_processing elf32_xc16x_final_write_processing
#define elf_backend_object_p elf32_xc16x_object_p
#define elf_backend_can_gc_sections 1
#define bfd_elf32_bfd_reloc_type_lookup xc16x_reloc_type_lookup
+#define bfd_elf32_bfd_reloc_name_lookup xc16x_reloc_name_lookup
#define elf_info_to_howto elf32_xc16x_info_to_howto
#define elf_info_to_howto_rel elf32_xc16x_info_to_howto
#define elf_backend_relocate_section elf32_xc16x_relocate_section