/* MSP430-specific support for 32-bit ELF
- Copyright (C) 2002, 2003, 2004, 2005, 2006
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2010
Free Software Foundation, Inc.
Contributed by Dmitry Diky <diwil@mail.ru>
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 "libiberty.h"
#include "libbfd.h"
#include "elf-bfd.h"
return NULL;
}
+static reloc_howto_type *
+bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < (sizeof (elf_msp430_howto_table)
+ / sizeof (elf_msp430_howto_table[0]));
+ i++)
+ if (elf_msp430_howto_table[i].name != NULL
+ && strcasecmp (elf_msp430_howto_table[i].name, r_name) == 0)
+ return &elf_msp430_howto_table[i];
+
+ return NULL;
+}
+
/* Set the howto pointer for an MSP430 ELF reloc. */
static void
asection * sec, const Elf_Internal_Rela * relocs)
{
Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
+ struct elf_link_hash_entry **sym_hashes;
const Elf_Internal_Rela *rel;
const Elf_Internal_Rela *rel_end;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
- sym_hashes_end =
- sym_hashes + symtab_hdr->sh_size / sizeof (Elf32_External_Sym);
- if (!elf_bad_symtab (abfd))
- sym_hashes_end -= symtab_hdr->sh_info;
rel_end = relocs + sec->reloc_count;
for (rel = relocs; rel < rel_end; rel++)
const char *name = NULL;
int r_type;
- /* This is a final link. */
-
r_type = ELF32_R_TYPE (rel->r_info);
r_symndx = ELF32_R_SYM (rel->r_info);
- howto = elf_msp430_howto_table + ELF32_R_TYPE (rel->r_info);
+ howto = elf_msp430_howto_table + r_type;
h = NULL;
sym = NULL;
sec = NULL;
unresolved_reloc, warned);
}
+ if (sec != NULL && elf_discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, relend, howto, contents);
+
+ if (info->relocatable)
+ continue;
+
r = msp430_final_link_relocate (howto, input_bfd, input_section,
contents, rel, relocation);
return bfd_default_set_arch_mach (abfd, bfd_arch_msp430, e_set);
}
-static void
-elf32_msp430_post_process_headers (bfd * abfd,
- struct bfd_link_info * link_info ATTRIBUTE_UNUSED)
-{
- Elf_Internal_Ehdr * i_ehdrp; /* ELF file header, internal form. */
-
- i_ehdrp = elf_elfheader (abfd);
-
-#ifndef ELFOSABI_STANDALONE
-#define ELFOSABI_STANDALONE 255
-#endif
-
- i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_STANDALONE;
-}
-
/* These functions handle relaxing for the msp430.
Relaxation required only in two cases:
- Bad hand coding like jumps from one section to another or
bfd_byte *contents;
Elf_Internal_Rela *irel;
Elf_Internal_Rela *irelend;
- Elf_Internal_Rela *irelalign;
bfd_vma toaddr;
Elf_Internal_Sym *isym;
Elf_Internal_Sym *isymend;
contents = elf_section_data (sec)->this_hdr.contents;
- /* The deletion must stop at the next ALIGN reloc for an aligment
- power larger than the number of bytes we are deleting. */
-
- irelalign = NULL;
toaddr = sec->size;
irel = elf_section_data (sec)->relocs;
#define ELF_MACHINE_CODE EM_MSP430
#define ELF_MACHINE_ALT1 EM_MSP430_OLD
#define ELF_MAXPAGESIZE 1
+#define ELF_OSABI ELFOSABI_STANDALONE
#define TARGET_LITTLE_SYM bfd_elf32_msp430_vec
#define TARGET_LITTLE_NAME "elf32-msp430"
#define elf_backend_can_gc_sections 1
#define elf_backend_final_write_processing bfd_elf_msp430_final_write_processing
#define elf_backend_object_p elf32_msp430_object_p
-#define elf_backend_post_process_headers elf32_msp430_post_process_headers
+#define elf_backend_post_process_headers _bfd_elf_set_osabi
#define bfd_elf32_bfd_relax_section msp430_elf_relax_section
#include "elf32-target.h"