/* BFD back-end for National Semiconductor's CR16C ELF
- Copyright 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2004-2016 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,
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"
#define USE_REL 1 /* CR16C uses REL relocations instead of RELA. */
-/* The following definition is based on EMPTY_HOWTO macro,
+/* The following definition is based on EMPTY_HOWTO macro,
but also initiates the "name" field in HOWTO struct. */
#define ONLY_NAME_HOWTO(C) \
HOWTO ((C), 0, 0, 0, FALSE, 0, complain_overflow_dont, NULL, \
STRINGX(C), FALSE, 0, 0, FALSE)
/* reloc_map_index array maps CRASM relocation type into a BFD
- relocation enum. The array's indices are synchronized with
+ relocation enum. The array's indices are synchronized with
RINDEX_16C_* indices, created in include/elf/cr16c.h.
The array is used in:
1. elf32-cr16c.c : elf_cr16c_reloc_type_lookup().
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,
{
unsigned int r_type = ELF32_R_TYPE (dst->r_info);
- BFD_ASSERT (r_type < (unsigned int) RINDEX_16C_MAX);
+ if (r_type >= RINDEX_16C_MAX)
+ {
+ _bfd_error_handler (_("%B: invalid CR16C reloc number: %d"), abfd, r_type);
+ r_type = 0;
+ }
cache_ptr->howto = &elf_howto_table[r_type];
}
unsigned long format, addr_type, code_factor;
unsigned short size;
unsigned short r_type;
- asymbol *symbol = NULL;
unsigned long disp20_opcod;
char neg = 0;
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:
}
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 && 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;
- }
+ if (sec != NULL && discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
{
/* This is a relocatable link. We don't have to change
anything, unless the reloc is against a section symbol,
switch (r)
{
case bfd_reloc_overflow:
- if (!((*info->callbacks->reloc_overflow)
- (info, (h ? &h->root : NULL), name, howto->name,
- (bfd_vma) 0, input_bfd, input_section,
- rel->r_offset)))
- return FALSE;
+ (*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
break;
case bfd_reloc_undefined:
- if (!((*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section,
- rel->r_offset, TRUE)))
- return FALSE;
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, rel->r_offset, TRUE);
break;
case bfd_reloc_outofrange:
/* fall through */
common_error:
- if (!((*info->callbacks->warning)
- (info, msg, name, input_bfd, input_section,
- rel->r_offset)))
- return FALSE;
+ (*info->callbacks->warning) (info, msg, name, input_bfd,
+ input_section, rel->r_offset);
break;
}
}
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,
sym->st_shndx = SHN_CR16C_NCOMMON;
}
- return TRUE;
+ return 1;
}
/* Definitions for setting CR16C target vector. */
-#define TARGET_LITTLE_SYM bfd_elf32_cr16c_vec
+#define TARGET_LITTLE_SYM cr16c_elf32_vec
#define TARGET_LITTLE_NAME "elf32-cr16c"
#define ELF_ARCH bfd_arch_cr16c
#define ELF_MACHINE_CODE EM_CR
#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
projects / deliverable / binutils-gdb.git / blobdiff