1 /* Generic support for 32-bit ELF
2    Copyright 1993, 1995, 1998, 1999, 2001, 2002, 2004
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 
29 static 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 
44 static void elf_generic_info_to_howto
45   PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
46 static void elf_generic_info_to_howto_rel
47   PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
48 static bfd_boolean elf32_generic_link_add_symbols
49   PARAMS ((bfd *, struct bfd_link_info *));
50 
51 static void
52 elf_generic_info_to_howto (abfd, bfd_reloc, elf_reloc)
53      bfd *abfd ATTRIBUTE_UNUSED;
54      arelent *bfd_reloc;
55      Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED;
56 {
57   bfd_reloc->howto = &dummy;
58 }
59 
60 static void
61 elf_generic_info_to_howto_rel (abfd, bfd_reloc, elf_reloc)
62      bfd *abfd ATTRIBUTE_UNUSED;
63      arelent *bfd_reloc;
64      Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED;
65 {
66   bfd_reloc->howto = &dummy;
67 }
68 
69 static bfd_boolean
70 elf32_generic_link_add_symbols (abfd, info)
71      bfd *abfd;
72      struct bfd_link_info *info;
73 {
74   asection *o;
75 
76   /* Check if there are any relocations.  */
77   for (o = abfd->sections; o != NULL; o = o->next)
78     if ((o->flags & SEC_RELOC) != 0)
79       {
80 	Elf_Internal_Ehdr *ehdrp;
81 
82 	ehdrp = elf_elfheader (abfd);
83 	(*_bfd_error_handler) (_("%s: Relocations in generic ELF (EM: %d)"),
84 			       bfd_archive_filename (abfd),
85 			       ehdrp->e_machine);
86 
87 	bfd_set_error (bfd_error_wrong_format);
88 	return FALSE;
89       }
90 
91   return bfd_elf_link_add_symbols (abfd, info);
92 }
93 
94 #define TARGET_LITTLE_SYM		bfd_elf32_little_generic_vec
95 #define TARGET_LITTLE_NAME		"elf32-little"
96 #define TARGET_BIG_SYM			bfd_elf32_big_generic_vec
97 #define TARGET_BIG_NAME			"elf32-big"
98 #define ELF_ARCH			bfd_arch_unknown
99 #define ELF_MACHINE_CODE		EM_NONE
100 #define ELF_MAXPAGESIZE			0x1
101 #define bfd_elf32_bfd_reloc_type_lookup bfd_default_reloc_type_lookup
102 #define bfd_elf32_bfd_link_add_symbols	elf32_generic_link_add_symbols
103 #define elf_info_to_howto		elf_generic_info_to_howto
104 #define elf_info_to_howto_rel		elf_generic_info_to_howto_rel
105 
106 #include "elf32-target.h"
107