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1 | /* Generic support for 64-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 | elf64_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_elf64_little_generic_vec | |
91 | #define TARGET_LITTLE_NAME "elf64-little" | |
92 | #define TARGET_BIG_SYM bfd_elf64_big_generic_vec | |
93 | #define TARGET_BIG_NAME "elf64-big" | |
94 | #define ELF_ARCH bfd_arch_unknown | |
95 | #define ELF_MACHINE_CODE EM_NONE | |
96 | #define ELF_MAXPAGESIZE 0x1 | |
97 | #define bfd_elf64_bfd_reloc_type_lookup bfd_default_reloc_type_lookup | |
98 | #define bfd_elf64_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup | |
99 | #define bfd_elf64_bfd_link_add_symbols elf64_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 "elf64-target.h" |