1/* Generic support for 32-bit ELF
2   Copyright 1993, 1995, 1998, 1999, 2001, 2002, 2004, 2005
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 2 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, MA 02110-1301, USA.  */
20
21#include "bfd.h"
22#include "sysdep.h"
23#include "libbfd.h"
24#include "elf-bfd.h"
25
26/* This does not include any relocation information, but should be
27   good enough for GDB or objdump to read the file.  */
28
29static reloc_howto_type dummy =
30  HOWTO (0,			/* type */
31	 0,			/* rightshift */
32	 0,			/* size (0 = byte, 1 = short, 2 = long) */
33	 0,			/* bitsize */
34	 FALSE,			/* pc_relative */
35	 0,			/* bitpos */
36	 complain_overflow_dont, /* complain_on_overflow */
37	 NULL,			/* special_function */
38	 "UNKNOWN",		/* name */
39	 FALSE,			/* partial_inplace */
40	 0,			/* src_mask */
41	 0,			/* dst_mask */
42	 FALSE);		/* pcrel_offset */
43
44static void
45elf_generic_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
46			   arelent *bfd_reloc,
47			   Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED)
48{
49  bfd_reloc->howto = &dummy;
50}
51
52static void
53elf_generic_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
54			       arelent *bfd_reloc,
55			       Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED)
56{
57  bfd_reloc->howto = &dummy;
58}
59
60static void
61check_for_relocs (bfd * abfd, asection * o, void * failed)
62{
63  if ((o->flags & SEC_RELOC) != 0)
64    {
65      Elf_Internal_Ehdr *ehdrp;
66
67      ehdrp = elf_elfheader (abfd);
68      _bfd_error_handler (_("%B: Relocations in generic ELF (EM: %d)"),
69			  abfd, ehdrp->e_machine);
70
71      bfd_set_error (bfd_error_wrong_format);
72      * (bfd_boolean *) failed = TRUE;
73    }
74}
75
76static bfd_boolean
77elf32_generic_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
78{
79  bfd_boolean failed = FALSE;
80
81  /* Check if there are any relocations.  */
82  bfd_map_over_sections (abfd, check_for_relocs, & failed);
83
84  if (failed)
85    return FALSE;
86  return bfd_elf_link_add_symbols (abfd, info);
87}
88
89#define TARGET_LITTLE_SYM		bfd_elf32_little_generic_vec
90#define TARGET_LITTLE_NAME		"elf32-little"
91#define TARGET_BIG_SYM			bfd_elf32_big_generic_vec
92#define TARGET_BIG_NAME			"elf32-big"
93#define ELF_ARCH			bfd_arch_unknown
94#define ELF_MACHINE_CODE		EM_NONE
95#define ELF_MAXPAGESIZE			0x1
96#define bfd_elf32_bfd_reloc_type_lookup bfd_default_reloc_type_lookup
97#define bfd_elf32_bfd_link_add_symbols	elf32_generic_link_add_symbols
98#define elf_info_to_howto		elf_generic_info_to_howto
99#define elf_info_to_howto_rel		elf_generic_info_to_howto_rel
100
101#include "elf32-target.h"
102