1/* Mach-O support for BFD.
2   Copyright (C) 1999-2017 Free Software Foundation, Inc.
3
4   This file is part of BFD, the Binary File Descriptor library.
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 3 of the License, or
9   (at your option) any later version.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this program; if not, write to the Free Software
18   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19   MA 02110-1301, USA.  */
20
21/* Define generic entry points here so that we don't need to duplicate the
22   defines in every target.  But define once as this file may be included
23   several times.  */
24#ifndef MACH_O_TARGET_COMMON_DEFINED
25#define MACH_O_TARGET_COMMON_DEFINED
26
27#define bfd_mach_o_bfd_free_cached_info               _bfd_generic_bfd_free_cached_info
28#define bfd_mach_o_get_section_contents_in_window     _bfd_generic_get_section_contents_in_window
29#define bfd_mach_o_bfd_print_private_bfd_data	      _bfd_generic_bfd_print_private_bfd_data
30#define bfd_mach_o_bfd_is_target_special_symbol       ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
31#define bfd_mach_o_bfd_is_local_label_name            bfd_generic_is_local_label_name
32#define bfd_mach_o_get_lineno                         _bfd_nosymbols_get_lineno
33#define bfd_mach_o_find_inliner_info                  _bfd_nosymbols_find_inliner_info
34#define bfd_mach_o_get_symbol_version_string	      _bfd_nosymbols_get_symbol_version_string
35#define bfd_mach_o_bfd_make_debug_symbol              _bfd_nosymbols_bfd_make_debug_symbol
36#define bfd_mach_o_read_minisymbols                   _bfd_generic_read_minisymbols
37#define bfd_mach_o_minisymbol_to_symbol               _bfd_generic_minisymbol_to_symbol
38#define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
39#define bfd_mach_o_bfd_relax_section                  bfd_generic_relax_section
40#define bfd_mach_o_bfd_link_hash_table_create         _bfd_generic_link_hash_table_create
41#define bfd_mach_o_bfd_link_add_symbols               _bfd_generic_link_add_symbols
42#define bfd_mach_o_bfd_link_just_syms                 _bfd_generic_link_just_syms
43#define bfd_mach_o_bfd_copy_link_hash_symbol_type \
44  _bfd_generic_copy_link_hash_symbol_type
45#define bfd_mach_o_bfd_final_link                     _bfd_generic_final_link
46#define bfd_mach_o_bfd_link_split_section             _bfd_generic_link_split_section
47#define bfd_mach_o_bfd_link_check_relocs              _bfd_generic_link_check_relocs
48#define bfd_mach_o_bfd_merge_private_bfd_data         _bfd_generic_bfd_merge_private_bfd_data
49#define bfd_mach_o_bfd_set_private_flags              bfd_mach_o_bfd_set_private_flags
50#define bfd_mach_o_get_section_contents               _bfd_generic_get_section_contents
51#define bfd_mach_o_bfd_gc_sections                    bfd_generic_gc_sections
52#define bfd_mach_o_bfd_lookup_section_flags           bfd_generic_lookup_section_flags
53#define bfd_mach_o_bfd_merge_sections                 bfd_generic_merge_sections
54#define bfd_mach_o_bfd_is_group_section               bfd_generic_is_group_section
55#define bfd_mach_o_bfd_discard_group                  bfd_generic_discard_group
56#define bfd_mach_o_section_already_linked             _bfd_generic_section_already_linked
57#define bfd_mach_o_bfd_define_common_symbol           bfd_generic_define_common_symbol
58#define bfd_mach_o_bfd_copy_private_bfd_data          _bfd_generic_bfd_copy_private_bfd_data
59#define bfd_mach_o_core_file_matches_executable_p     generic_core_file_matches_executable_p
60#define bfd_mach_o_core_file_pid                      _bfd_nocore_core_file_pid
61
62#define bfd_mach_o_get_dynamic_symtab_upper_bound     bfd_mach_o_get_symtab_upper_bound
63#define bfd_mach_o_canonicalize_dynamic_symtab	      bfd_mach_o_canonicalize_symtab
64
65/* For Mach-O special archives.  */
66#define bfd_mach_o_read_ar_hdr                    _bfd_noarchive_read_ar_hdr
67#define bfd_mach_o_write_ar_hdr                   _bfd_noarchive_write_ar_hdr
68#define bfd_mach_o_slurp_armap                    _bfd_noarchive_slurp_armap
69#define bfd_mach_o_slurp_extended_name_table      _bfd_noarchive_slurp_extended_name_table
70#define bfd_mach_o_construct_extended_name_table  _bfd_noarchive_construct_extended_name_table
71#define bfd_mach_o_truncate_arname                _bfd_noarchive_truncate_arname
72#define bfd_mach_o_write_armap                    _bfd_noarchive_write_armap
73#define bfd_mach_o_get_elt_at_index               _bfd_noarchive_get_elt_at_index
74#define bfd_mach_o_update_armap_timestamp         _bfd_noarchive_update_armap_timestamp
75
76#define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend)
77
78#endif /* MACH_O_TARGET_COMMON_DEFINED */
79
80#ifndef TARGET_NAME
81#error TARGET_NAME must be defined
82#endif /* TARGET_NAME */
83
84#ifndef TARGET_STRING
85#error TARGET_STRING must be defined
86#endif /* TARGET_STRING */
87
88#ifndef TARGET_ARCHITECTURE
89#error TARGET_ARCHITECTURE must be defined
90#endif /* TARGET_ARCHITECTURE */
91
92#ifndef TARGET_BIG_ENDIAN
93#error TARGET_BIG_ENDIAN must be defined
94#endif /* TARGET_BIG_ENDIAN */
95
96#ifndef TARGET_ARCHIVE
97#error TARGET_ARCHIVE must be defined
98#endif /* TARGET_ARCHIVE */
99
100#ifndef TARGET_PAGESIZE
101#error TARGET_PAGESIZE must be defined
102#endif
103
104static const bfd_mach_o_backend_data TARGET_NAME_BACKEND =
105{
106  TARGET_ARCHITECTURE,
107  TARGET_PAGESIZE,
108  bfd_mach_o_canonicalize_one_reloc,
109  bfd_mach_o_swap_reloc_out,
110  bfd_mach_o_print_thread,
111  bfd_mach_o_tgt_seg_table,
112  bfd_mach_o_section_type_valid_for_tgt
113};
114
115const bfd_target TARGET_NAME =
116{
117  TARGET_STRING,		/* Name.  */
118  bfd_target_mach_o_flavour,
119#if TARGET_BIG_ENDIAN
120  BFD_ENDIAN_BIG,		/* Target byte order.  */
121  BFD_ENDIAN_BIG,		/* Target headers byte order.  */
122#else
123  BFD_ENDIAN_LITTLE,		/* Target byte order.  */
124  BFD_ENDIAN_LITTLE,		/* Target headers byte order.  */
125#endif
126  (HAS_RELOC | EXEC_P |		/* Object flags.  */
127   HAS_LINENO | HAS_DEBUG |
128   HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
129  (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
130   | SEC_ALLOC | SEC_LOAD | SEC_RELOC),	/* Section flags.  */
131  '_',				/* symbol_leading_char.  */
132  ' ',				/* ar_pad_char.  */
133  16,				/* ar_max_namelen.  */
134  TARGET_PRIORITY,	/* match priority.  */
135
136#if TARGET_BIG_ENDIAN
137  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
138  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
139  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* Data.  */
140  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
141  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
142  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* Hdrs.  */
143#else
144  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
145  bfd_getl32, bfd_getl_signed_32, bfd_putl32,
146  bfd_getl16, bfd_getl_signed_16, bfd_putl16,	/* data */
147  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
148  bfd_getl32, bfd_getl_signed_32, bfd_putl32,
149  bfd_getl16, bfd_getl_signed_16, bfd_putl16,	/* hdrs */
150#endif /* TARGET_BIG_ENDIAN */
151
152  {				/* bfd_check_format.  */
153#if TARGET_ARCHIVE
154    _bfd_dummy_target,
155    _bfd_dummy_target,
156    bfd_mach_o_archive_p,
157    _bfd_dummy_target,
158#else
159    _bfd_dummy_target,
160    bfd_mach_o_object_p,
161    bfd_generic_archive_p,
162    bfd_mach_o_core_p
163#endif
164  },
165  {				/* bfd_set_format.  */
166    bfd_false,
167    bfd_mach_o_mkobject,
168    _bfd_generic_mkarchive,
169    bfd_mach_o_mkobject,
170  },
171  {				/* bfd_write_contents.  */
172    bfd_false,
173    bfd_mach_o_write_contents,
174    _bfd_write_archive_contents,
175    bfd_mach_o_write_contents,
176  },
177
178  BFD_JUMP_TABLE_GENERIC (bfd_mach_o),
179  BFD_JUMP_TABLE_COPY (bfd_mach_o),
180  BFD_JUMP_TABLE_CORE (bfd_mach_o),
181#if TARGET_ARCHIVE
182  BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o),
183#else
184  BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44),
185#endif
186  BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o),
187  BFD_JUMP_TABLE_RELOCS (bfd_mach_o),
188  BFD_JUMP_TABLE_WRITE (bfd_mach_o),
189  BFD_JUMP_TABLE_LINK (bfd_mach_o),
190  BFD_JUMP_TABLE_DYNAMIC (bfd_mach_o),
191
192  /* Alternative endian target.  */
193  NULL,
194
195  /* Back-end data.  */
196  &TARGET_NAME_BACKEND
197};
198
199