2009-12-02 Rafael Avila de Espindola <espindola@google.com>
[binutils.git] / bfd / mach-o-target.c
blob2a30b2ed1f611325ed49c1cc8b1d82667e4130eb
1 /* Mach-O support for BFD.
2 Copyright 1999, 2000, 2001, 2002, 2005, 2007, 2008, 2009
3 Free Software Foundation, Inc.
5 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
22 /* Define generic entry points here so that we don't need to duplicate the
23 defines in every target. But define once as this file may be included
24 several times. */
25 #ifndef MACH_O_TARGET_COMMON_DEFINED
26 #define MACH_O_TARGET_COMMON_DEFINED
28 #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive
29 #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr
30 #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap
31 #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table
32 #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table
33 #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname
34 #define bfd_mach_o_write_armap _bfd_noarchive_write_armap
35 #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index
36 #define bfd_mach_o_generic_stat_arch_elt _bfd_noarchive_generic_stat_arch_elt
37 #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp
38 #define bfd_mach_o_close_and_cleanup _bfd_generic_close_and_cleanup
39 #define bfd_mach_o_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
40 #define bfd_mach_o_new_section_hook _bfd_generic_new_section_hook
41 #define bfd_mach_o_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
42 #define bfd_mach_o_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
43 #define bfd_mach_o_bfd_is_local_label_name bfd_generic_is_local_label_name
44 #define bfd_mach_o_get_lineno _bfd_nosymbols_get_lineno
45 #define bfd_mach_o_find_nearest_line _bfd_nosymbols_find_nearest_line
46 #define bfd_mach_o_find_inliner_info _bfd_nosymbols_find_inliner_info
47 #define bfd_mach_o_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
48 #define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols
49 #define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
50 #define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
51 #define bfd_mach_o_bfd_relax_section bfd_generic_relax_section
52 #define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
53 #define bfd_mach_o_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
54 #define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols
55 #define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms
56 #define bfd_mach_o_bfd_copy_link_hash_symbol_type \
57 _bfd_generic_copy_link_hash_symbol_type
58 #define bfd_mach_o_bfd_final_link _bfd_generic_final_link
59 #define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section
60 #define bfd_mach_o_set_arch_mach bfd_default_set_arch_mach
61 #define bfd_mach_o_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
62 #define bfd_mach_o_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
63 #define bfd_mach_o_get_section_contents _bfd_generic_get_section_contents
64 #define bfd_mach_o_bfd_gc_sections bfd_generic_gc_sections
65 #define bfd_mach_o_bfd_merge_sections bfd_generic_merge_sections
66 #define bfd_mach_o_bfd_is_group_section bfd_generic_is_group_section
67 #define bfd_mach_o_bfd_discard_group bfd_generic_discard_group
68 #define bfd_mach_o_section_already_linked _bfd_generic_section_already_linked
69 #define bfd_mach_o_bfd_define_common_symbol bfd_generic_define_common_symbol
70 #define bfd_mach_o_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data
71 #define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p
73 #define bfd_mach_o_get_dynamic_symtab_upper_bound bfd_mach_o_get_symtab_upper_bound
74 #define bfd_mach_o_canonicalize_dynamic_symtab bfd_mach_o_canonicalize_symtab
76 #define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend)
78 #endif /* MACH_O_TARGET_COMMON_DEFINED */
80 #ifndef TARGET_NAME
81 #error TARGET_NAME must be defined
82 #endif /* TARGET_NAME */
84 #ifndef TARGET_STRING
85 #error TARGET_STRING must be defined
86 #endif /* TARGET_STRING */
88 #ifndef TARGET_BIG_ENDIAN
89 #error TARGET_BIG_ENDIAN must be defined
90 #endif /* TARGET_BIG_ENDIAN */
92 #ifndef TARGET_ARCHIVE
93 #error TARGET_ARCHIVE must be defined
94 #endif /* TARGET_ARCHIVE */
96 #if ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN))
97 #error Mach-O fat files must always be big-endian.
98 #endif /* ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN)) */
100 static const bfd_mach_o_backend_data TARGET_NAME_BACKEND =
102 bfd_mach_o_swap_reloc_in,
103 bfd_mach_o_swap_reloc_out,
104 bfd_mach_o_print_thread
107 const bfd_target TARGET_NAME =
109 TARGET_STRING, /* Name. */
110 bfd_target_mach_o_flavour,
111 #if TARGET_BIG_ENDIAN
112 BFD_ENDIAN_BIG, /* Target byte order. */
113 BFD_ENDIAN_BIG, /* Target headers byte order. */
114 #else
115 BFD_ENDIAN_LITTLE, /* Target byte order. */
116 BFD_ENDIAN_LITTLE, /* Target headers byte order. */
117 #endif
118 (HAS_RELOC | EXEC_P | /* Object flags. */
119 HAS_LINENO | HAS_DEBUG |
120 HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
121 (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
122 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */
123 '_', /* symbol_leading_char. */
124 ' ', /* ar_pad_char. */
125 16, /* ar_max_namelen. */
127 #if TARGET_BIG_ENDIAN
128 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
129 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
130 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */
131 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
132 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
133 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Hdrs. */
134 #else
135 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
136 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
137 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
138 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
139 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
140 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
141 #endif /* TARGET_BIG_ENDIAN */
143 { /* bfd_check_format. */
144 #if TARGET_ARCHIVE
145 _bfd_dummy_target,
146 _bfd_dummy_target,
147 bfd_mach_o_archive_p,
148 _bfd_dummy_target,
149 #else
150 _bfd_dummy_target,
151 bfd_mach_o_object_p,
152 bfd_generic_archive_p,
153 bfd_mach_o_core_p
154 #endif
156 { /* bfd_set_format. */
157 bfd_false,
158 bfd_mach_o_mkobject,
159 _bfd_generic_mkarchive,
160 bfd_mach_o_mkobject,
162 { /* bfd_write_contents. */
163 bfd_false,
164 bfd_mach_o_write_contents,
165 _bfd_write_archive_contents,
166 bfd_mach_o_write_contents,
169 BFD_JUMP_TABLE_GENERIC (bfd_mach_o),
170 BFD_JUMP_TABLE_COPY (bfd_mach_o),
171 BFD_JUMP_TABLE_CORE (bfd_mach_o),
172 #if TARGET_ARCHIVE
173 BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o),
174 #else
175 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd),
176 #endif
177 BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o),
178 BFD_JUMP_TABLE_RELOCS (bfd_mach_o),
179 BFD_JUMP_TABLE_WRITE (bfd_mach_o),
180 BFD_JUMP_TABLE_LINK (bfd_mach_o),
181 BFD_JUMP_TABLE_DYNAMIC (bfd_mach_o),
183 /* Alternative endian target. */
184 NULL,
186 /* Back-end data. */
187 &TARGET_NAME_BACKEND