| 1 |
205 |
julius |
/* Generic support for 32-bit ELF
|
| 2 |
|
|
Copyright 1993, 1995, 1998, 1999, 2001, 2002, 2004, 2005, 2007
|
| 3 |
|
|
Free Software Foundation, Inc.
|
| 4 |
|
|
|
| 5 |
|
|
This file is part of BFD, the Binary File Descriptor library.
|
| 6 |
|
|
|
| 7 |
|
|
This program is free software; you can redistribute it and/or modify
|
| 8 |
|
|
it under the terms of the GNU General Public License as published by
|
| 9 |
|
|
the Free Software Foundation; either version 3 of the License, or
|
| 10 |
|
|
(at your option) any later version.
|
| 11 |
|
|
|
| 12 |
|
|
This program is distributed in the hope that it will be useful,
|
| 13 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 14 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 15 |
|
|
GNU General Public License for more details.
|
| 16 |
|
|
|
| 17 |
|
|
You should have received a copy of the GNU General Public License
|
| 18 |
|
|
along with this program; if not, write to the Free Software
|
| 19 |
|
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
| 20 |
|
|
MA 02110-1301, USA. */
|
| 21 |
|
|
|
| 22 |
|
|
#include "sysdep.h"
|
| 23 |
|
|
#include "bfd.h"
|
| 24 |
|
|
#include "libbfd.h"
|
| 25 |
|
|
#include "elf-bfd.h"
|
| 26 |
|
|
|
| 27 |
|
|
/* This does not include any relocation information, but should be
|
| 28 |
|
|
good enough for GDB or objdump to read the file. */
|
| 29 |
|
|
|
| 30 |
|
|
static reloc_howto_type dummy =
|
| 31 |
|
|
HOWTO (0, /* type */
|
| 32 |
|
|
0, /* rightshift */
|
| 33 |
|
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
| 34 |
|
|
0, /* bitsize */
|
| 35 |
|
|
FALSE, /* pc_relative */
|
| 36 |
|
|
0, /* bitpos */
|
| 37 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 38 |
|
|
NULL, /* special_function */
|
| 39 |
|
|
"UNKNOWN", /* name */
|
| 40 |
|
|
FALSE, /* partial_inplace */
|
| 41 |
|
|
0, /* src_mask */
|
| 42 |
|
|
0, /* dst_mask */
|
| 43 |
|
|
FALSE); /* pcrel_offset */
|
| 44 |
|
|
|
| 45 |
|
|
static void
|
| 46 |
|
|
elf_generic_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
|
| 47 |
|
|
arelent *bfd_reloc,
|
| 48 |
|
|
Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED)
|
| 49 |
|
|
{
|
| 50 |
|
|
bfd_reloc->howto = &dummy;
|
| 51 |
|
|
}
|
| 52 |
|
|
|
| 53 |
|
|
static void
|
| 54 |
|
|
elf_generic_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
|
| 55 |
|
|
arelent *bfd_reloc,
|
| 56 |
|
|
Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED)
|
| 57 |
|
|
{
|
| 58 |
|
|
bfd_reloc->howto = &dummy;
|
| 59 |
|
|
}
|
| 60 |
|
|
|
| 61 |
|
|
static void
|
| 62 |
|
|
check_for_relocs (bfd * abfd, asection * o, void * failed)
|
| 63 |
|
|
{
|
| 64 |
|
|
if ((o->flags & SEC_RELOC) != 0)
|
| 65 |
|
|
{
|
| 66 |
|
|
Elf_Internal_Ehdr *ehdrp;
|
| 67 |
|
|
|
| 68 |
|
|
ehdrp = elf_elfheader (abfd);
|
| 69 |
|
|
_bfd_error_handler (_("%B: Relocations in generic ELF (EM: %d)"),
|
| 70 |
|
|
abfd, ehdrp->e_machine);
|
| 71 |
|
|
|
| 72 |
|
|
bfd_set_error (bfd_error_wrong_format);
|
| 73 |
|
|
* (bfd_boolean *) failed = TRUE;
|
| 74 |
|
|
}
|
| 75 |
|
|
}
|
| 76 |
|
|
|
| 77 |
|
|
static bfd_boolean
|
| 78 |
|
|
elf32_generic_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
|
| 79 |
|
|
{
|
| 80 |
|
|
bfd_boolean failed = FALSE;
|
| 81 |
|
|
|
| 82 |
|
|
/* Check if there are any relocations. */
|
| 83 |
|
|
bfd_map_over_sections (abfd, check_for_relocs, & failed);
|
| 84 |
|
|
|
| 85 |
|
|
if (failed)
|
| 86 |
|
|
return FALSE;
|
| 87 |
|
|
return bfd_elf_link_add_symbols (abfd, info);
|
| 88 |
|
|
}
|
| 89 |
|
|
|
| 90 |
|
|
#define TARGET_LITTLE_SYM bfd_elf32_little_generic_vec
|
| 91 |
|
|
#define TARGET_LITTLE_NAME "elf32-little"
|
| 92 |
|
|
#define TARGET_BIG_SYM bfd_elf32_big_generic_vec
|
| 93 |
|
|
#define TARGET_BIG_NAME "elf32-big"
|
| 94 |
|
|
#define ELF_ARCH bfd_arch_unknown
|
| 95 |
|
|
#define ELF_MACHINE_CODE EM_NONE
|
| 96 |
|
|
#define ELF_MAXPAGESIZE 0x1
|
| 97 |
|
|
#define bfd_elf32_bfd_reloc_type_lookup bfd_default_reloc_type_lookup
|
| 98 |
|
|
#define bfd_elf32_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
|
| 99 |
|
|
#define bfd_elf32_bfd_link_add_symbols elf32_generic_link_add_symbols
|
| 100 |
|
|
#define elf_info_to_howto elf_generic_info_to_howto
|
| 101 |
|
|
#define elf_info_to_howto_rel elf_generic_info_to_howto_rel
|
| 102 |
|
|
|
| 103 |
|
|
#include "elf32-target.h"
|
