elf32-gen.c revision 77298 
1/* Generic support for 32-bit ELF
2   Copyright 1993, 1995, 1998, 1999 Free Software Foundation, Inc.
3
4This file is part of BFD, the Binary File Descriptor library.
5
6This program is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2 of the License, or
9(at your option) any later version.
10
11This program is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with this program; if not, write to the Free Software
18Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
19
20#include "bfd.h"
21#include "sysdep.h"
22#include "libbfd.h"
23#include "elf-bfd.h"
24
25/* This does not include any relocation information, but should be
26   good enough for GDB or objdump to read the file.  */
27
28static reloc_howto_type dummy =
29  HOWTO (0,			/* type */
30	 0,			/* rightshift */
31	 0,			/* size (0 = byte, 1 = short, 2 = long) */
32	 0,			/* bitsize */
33	 false,			/* pc_relative */
34	 0,			/* bitpos */
35	 complain_overflow_dont, /* complain_on_overflow */
36	 NULL,			/* special_function */
37	 "UNKNOWN",		/* name */
38	 false,			/* partial_inplace */
39	 0,			/* src_mask */
40	 0,			/* dst_mask */
41	 false);		/* pcrel_offset */
42
43static void
44elf_generic_info_to_howto (abfd, bfd_reloc, elf_reloc)
45     bfd *abfd ATTRIBUTE_UNUSED;
46     arelent *bfd_reloc;
47     Elf32_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED;
48{
49  bfd_reloc->howto = &dummy;
50}
51
52static void
53elf_generic_info_to_howto_rel (abfd, bfd_reloc, elf_reloc)
54     bfd *abfd ATTRIBUTE_UNUSED;
55     arelent *bfd_reloc;
56     Elf32_Internal_Rel *elf_reloc ATTRIBUTE_UNUSED;
57{
58  bfd_reloc->howto = &dummy;
59}
60
61static boolean
62elf32_generic_link_add_symbols (abfd, info)
63     bfd *abfd;
64     struct bfd_link_info *info;
65{
66  asection *o;
67
68  /* Check if there are any relocations.  */
69  for (o = abfd->sections; o != NULL; o = o->next)
70    if ((o->flags & SEC_RELOC) != 0)
71      {
72	Elf_Internal_Ehdr *ehdrp;
73
74	ehdrp = elf_elfheader (abfd);
75	if (abfd->my_archive)
76	  (*_bfd_error_handler) (_("%s(%s): Relocations in generic ELF (EM: %d)"),
77				 bfd_get_filename (abfd->my_archive),
78				 bfd_get_filename (abfd),
79				 ehdrp->e_machine);
80	else
81	  (*_bfd_error_handler) (_("%s: Relocations in generic ELF (EM: %d)"),
82				 bfd_get_filename (abfd),
83				 ehdrp->e_machine);
84
85	bfd_set_error (bfd_error_wrong_format);
86	return false;
87      }
88
89  return bfd_elf32_bfd_link_add_symbols (abfd, info);
90}
91
92#define TARGET_LITTLE_SYM		bfd_elf32_little_generic_vec
93#define TARGET_LITTLE_NAME		"elf32-little"
94#define TARGET_BIG_SYM			bfd_elf32_big_generic_vec
95#define TARGET_BIG_NAME			"elf32-big"
96#define ELF_ARCH			bfd_arch_unknown
97#define ELF_MACHINE_CODE		EM_NONE
98#define ELF_MAXPAGESIZE			0x1
99#define bfd_elf32_bfd_reloc_type_lookup bfd_default_reloc_type_lookup
100#define bfd_elf32_bfd_link_add_symbols	elf32_generic_link_add_symbols
101#define elf_info_to_howto		elf_generic_info_to_howto
102#define elf_info_to_howto_rel		elf_generic_info_to_howto_rel
103
104#include "elf32-target.h"
105