[deliverable/binutils-gdb.git] / bfd / mach-o-target.c

/* Mach-O support for BFD.
   Copyright (C) 1999-2018 Free Software Foundation, Inc.

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

/* Define generic entry points here so that we don't need to duplicate the
   defines in every target.  But define once as this file may be included
   several times.  */
#ifndef MACH_O_TARGET_COMMON_DEFINED
#define MACH_O_TARGET_COMMON_DEFINED

#define bfd_mach_o_bfd_free_cached_info		      _bfd_generic_bfd_free_cached_info
#define bfd_mach_o_get_section_contents_in_window     _bfd_generic_get_section_contents_in_window
#define bfd_mach_o_bfd_print_private_bfd_data	      _bfd_generic_bfd_print_private_bfd_data
#define bfd_mach_o_bfd_is_target_special_symbol	      _bfd_bool_bfd_asymbol_false
#define bfd_mach_o_bfd_is_local_label_name	      bfd_generic_is_local_label_name
#define bfd_mach_o_get_lineno			      _bfd_nosymbols_get_lineno
#define bfd_mach_o_find_inliner_info		      _bfd_nosymbols_find_inliner_info
#define bfd_mach_o_get_symbol_version_string	      _bfd_nosymbols_get_symbol_version_string
#define bfd_mach_o_bfd_make_debug_symbol	      _bfd_nosymbols_bfd_make_debug_symbol
#define bfd_mach_o_read_minisymbols		      _bfd_generic_read_minisymbols
#define bfd_mach_o_minisymbol_to_symbol		      _bfd_generic_minisymbol_to_symbol
#define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
#define bfd_mach_o_bfd_relax_section		      bfd_generic_relax_section
#define bfd_mach_o_bfd_link_hash_table_create	      _bfd_generic_link_hash_table_create
#define bfd_mach_o_bfd_link_add_symbols		      _bfd_generic_link_add_symbols
#define bfd_mach_o_bfd_link_just_syms		      _bfd_generic_link_just_syms
#define bfd_mach_o_bfd_copy_link_hash_symbol_type \
  _bfd_generic_copy_link_hash_symbol_type
#define bfd_mach_o_bfd_final_link		      _bfd_generic_final_link
#define bfd_mach_o_bfd_link_split_section	      _bfd_generic_link_split_section
#define bfd_mach_o_bfd_link_check_relocs	      _bfd_generic_link_check_relocs
#define bfd_mach_o_bfd_merge_private_bfd_data	      _bfd_generic_bfd_merge_private_bfd_data
#define bfd_mach_o_bfd_set_private_flags	      bfd_mach_o_bfd_set_private_flags
#define bfd_mach_o_get_section_contents		      _bfd_generic_get_section_contents
#define bfd_mach_o_bfd_gc_sections		      bfd_generic_gc_sections
#define bfd_mach_o_bfd_lookup_section_flags	      bfd_generic_lookup_section_flags
#define bfd_mach_o_bfd_merge_sections		      bfd_generic_merge_sections
#define bfd_mach_o_bfd_is_group_section		      bfd_generic_is_group_section
#define bfd_mach_o_bfd_discard_group		      bfd_generic_discard_group
#define bfd_mach_o_section_already_linked	      _bfd_generic_section_already_linked
#define bfd_mach_o_bfd_define_common_symbol	      bfd_generic_define_common_symbol
#define bfd_mach_o_bfd_link_hide_symbol		      _bfd_generic_link_hide_symbol
#define bfd_mach_o_bfd_define_start_stop	      bfd_generic_define_start_stop
#define bfd_mach_o_bfd_copy_private_bfd_data	      _bfd_generic_bfd_copy_private_bfd_data
#define bfd_mach_o_core_file_matches_executable_p     generic_core_file_matches_executable_p
#define bfd_mach_o_core_file_pid		      _bfd_nocore_core_file_pid
#define bfd_mach_o_set_reloc			      _bfd_generic_set_reloc

#define bfd_mach_o_get_dynamic_symtab_upper_bound     bfd_mach_o_get_symtab_upper_bound
#define bfd_mach_o_canonicalize_dynamic_symtab	      bfd_mach_o_canonicalize_symtab

/* For Mach-O special archives.  */
#define bfd_mach_o_read_ar_hdr			  _bfd_noarchive_read_ar_hdr
#define bfd_mach_o_write_ar_hdr			  _bfd_noarchive_write_ar_hdr
#define bfd_mach_o_slurp_armap			  _bfd_noarchive_slurp_armap
#define bfd_mach_o_slurp_extended_name_table	  _bfd_noarchive_slurp_extended_name_table
#define bfd_mach_o_construct_extended_name_table  _bfd_noarchive_construct_extended_name_table
#define bfd_mach_o_truncate_arname		  _bfd_noarchive_truncate_arname
#define bfd_mach_o_write_armap			  _bfd_noarchive_write_armap
#define bfd_mach_o_get_elt_at_index		  _bfd_noarchive_get_elt_at_index
#define bfd_mach_o_update_armap_timestamp	  _bfd_noarchive_update_armap_timestamp

#define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend)

#endif /* MACH_O_TARGET_COMMON_DEFINED */

#ifndef TARGET_NAME
#error TARGET_NAME must be defined
#endif /* TARGET_NAME */

#ifndef TARGET_STRING
#error TARGET_STRING must be defined
#endif /* TARGET_STRING */

#ifndef TARGET_ARCHITECTURE
#error TARGET_ARCHITECTURE must be defined
#endif /* TARGET_ARCHITECTURE */

#ifndef TARGET_BIG_ENDIAN
#error TARGET_BIG_ENDIAN must be defined
#endif /* TARGET_BIG_ENDIAN */

#ifndef TARGET_ARCHIVE
#error TARGET_ARCHIVE must be defined
#endif /* TARGET_ARCHIVE */

#ifndef TARGET_PAGESIZE
#error TARGET_PAGESIZE must be defined
#endif

static const bfd_mach_o_backend_data TARGET_NAME_BACKEND =
{
  TARGET_ARCHITECTURE,
  TARGET_PAGESIZE,
  bfd_mach_o_canonicalize_one_reloc,
  bfd_mach_o_swap_reloc_out,
  bfd_mach_o_print_thread,
  bfd_mach_o_tgt_seg_table,
  bfd_mach_o_section_type_valid_for_tgt
};

const bfd_target TARGET_NAME =
{
  TARGET_STRING,		/* Name.  */
  bfd_target_mach_o_flavour,
#if TARGET_BIG_ENDIAN
  BFD_ENDIAN_BIG,		/* Target byte order.  */
  BFD_ENDIAN_BIG,		/* Target headers byte order.  */
#else
  BFD_ENDIAN_LITTLE,		/* Target byte order.  */
  BFD_ENDIAN_LITTLE,		/* Target headers byte order.  */
#endif
  (HAS_RELOC | EXEC_P |		/* Object flags.  */
   HAS_LINENO | HAS_DEBUG |
   HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
  (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
   | SEC_ALLOC | SEC_LOAD | SEC_RELOC),	/* Section flags.  */
  '_',				/* symbol_leading_char.  */
  ' ',				/* ar_pad_char.  */
  16,				/* ar_max_namelen.  */
  TARGET_PRIORITY,	/* match priority.  */

#if TARGET_BIG_ENDIAN
  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* Data.  */
  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* Hdrs.  */
#else
  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
  bfd_getl32, bfd_getl_signed_32, bfd_putl32,
  bfd_getl16, bfd_getl_signed_16, bfd_putl16,	/* data */
  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
  bfd_getl32, bfd_getl_signed_32, bfd_putl32,
  bfd_getl16, bfd_getl_signed_16, bfd_putl16,	/* hdrs */
#endif /* TARGET_BIG_ENDIAN */

  {				/* bfd_check_format.  */
#if TARGET_ARCHIVE
    _bfd_dummy_target,
    _bfd_dummy_target,
    bfd_mach_o_archive_p,
    _bfd_dummy_target,
#else
    _bfd_dummy_target,
    bfd_mach_o_object_p,
    bfd_generic_archive_p,
    bfd_mach_o_core_p
#endif
  },
  {				/* bfd_set_format.  */
    _bfd_bool_bfd_false_error,
    bfd_mach_o_mkobject,
    _bfd_generic_mkarchive,
    bfd_mach_o_mkobject,
  },
  {				/* bfd_write_contents.  */
    _bfd_bool_bfd_false_error,
    bfd_mach_o_write_contents,
    _bfd_write_archive_contents,
    bfd_mach_o_write_contents,
  },

  BFD_JUMP_TABLE_GENERIC (bfd_mach_o),
  BFD_JUMP_TABLE_COPY (bfd_mach_o),
  BFD_JUMP_TABLE_CORE (bfd_mach_o),
#if TARGET_ARCHIVE
  BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o),
#else
  BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44),
#endif
  BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o),
  BFD_JUMP_TABLE_RELOCS (bfd_mach_o),
  BFD_JUMP_TABLE_WRITE (bfd_mach_o),
  BFD_JUMP_TABLE_LINK (bfd_mach_o),
  BFD_JUMP_TABLE_DYNAMIC (bfd_mach_o),

  /* Alternative endian target.  */
  NULL,

  /* Back-end data.  */
  &TARGET_NAME_BACKEND
};
Commit	Line	Data
3af9a47b	1	/* Mach-O support for BFD.
219d1afa	2	Copyright (C) 1999-2018 Free Software Foundation, Inc.
3af9a47b NC	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
cd123cb7	8	the Free Software Foundation; either version 3 of the License, or
3af9a47b NC	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
68ffbac6	17	along with this program; if not, write to the Free Software
cd123cb7 NC	18	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
cd123cb7 NC	19	MA 02110-1301, USA. */
3af9a47b	20
154a1ee5 TG	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
07d6d2b8	27	#define bfd_mach_o_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
154a1ee5	28	#define bfd_mach_o_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
c5012cd8	29	#define bfd_mach_o_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
d00dd7dc	30	#define bfd_mach_o_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
07d6d2b8 AM	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
60bb06bc	34	#define bfd_mach_o_get_symbol_version_string _bfd_nosymbols_get_symbol_version_string
07d6d2b8 AM	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
154a1ee5	38	#define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
07d6d2b8 AM	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
1338dd10 PB	43	#define bfd_mach_o_bfd_copy_link_hash_symbol_type \
1338dd10 PB	44	_bfd_generic_copy_link_hash_symbol_type
07d6d2b8 AM	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
34a87bb0	58	#define bfd_mach_o_bfd_link_hide_symbol _bfd_generic_link_hide_symbol
07d6d2b8 AM	59	#define bfd_mach_o_bfd_define_start_stop bfd_generic_define_start_stop
07d6d2b8 AM	60	#define bfd_mach_o_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
154a1ee5	61	#define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p
07d6d2b8	62	#define bfd_mach_o_core_file_pid _bfd_nocore_core_file_pid
23186865	63	#define bfd_mach_o_set_reloc _bfd_generic_set_reloc
154a1ee5	64
b32e07d7 TG	65	#define bfd_mach_o_get_dynamic_symtab_upper_bound bfd_mach_o_get_symtab_upper_bound
b32e07d7 TG	66	#define bfd_mach_o_canonicalize_dynamic_symtab bfd_mach_o_canonicalize_symtab
b32e07d7	67
47daa70f	68	/* For Mach-O special archives. */
07d6d2b8 AM	69	#define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr
	70	#define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr
	71	#define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap
	72	#define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table
47daa70f	73	#define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table
07d6d2b8 AM	74	#define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname
	75	#define bfd_mach_o_write_armap _bfd_noarchive_write_armap
	76	#define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index
	77	#define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp
47daa70f	78
92bc0e80 TG	79	#define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend)
92bc0e80 TG	80
154a1ee5 TG	81	#endif /* MACH_O_TARGET_COMMON_DEFINED */
154a1ee5 TG	82
3af9a47b NC	83	#ifndef TARGET_NAME
	84	#error TARGET_NAME must be defined
	85	#endif /* TARGET_NAME */
	86
	87	#ifndef TARGET_STRING
	88	#error TARGET_STRING must be defined
	89	#endif /* TARGET_STRING */
	90
42fa0891 TG	91	#ifndef TARGET_ARCHITECTURE
	92	#error TARGET_ARCHITECTURE must be defined
	93	#endif /* TARGET_ARCHITECTURE */
	94
3af9a47b NC	95	#ifndef TARGET_BIG_ENDIAN
	96	#error TARGET_BIG_ENDIAN must be defined
	97	#endif /* TARGET_BIG_ENDIAN */
	98
	99	#ifndef TARGET_ARCHIVE
	100	#error TARGET_ARCHIVE must be defined
	101	#endif /* TARGET_ARCHIVE */
	102
4384b284 TG	103	#ifndef TARGET_PAGESIZE
	104	#error TARGET_PAGESIZE must be defined
	105	#endif
	106
92bc0e80 TG	107	static const bfd_mach_o_backend_data TARGET_NAME_BACKEND =
92bc0e80 TG	108	{
42fa0891	109	TARGET_ARCHITECTURE,
4384b284	110	TARGET_PAGESIZE,
bcb51645	111	bfd_mach_o_canonicalize_one_reloc,
b32e07d7	112	bfd_mach_o_swap_reloc_out,
a4551119	113	bfd_mach_o_print_thread,
ab76eeaf IS	114	bfd_mach_o_tgt_seg_table,
ab76eeaf IS	115	bfd_mach_o_section_type_valid_for_tgt
92bc0e80 TG	116	};
92bc0e80 TG	117
3af9a47b NC	118	const bfd_target TARGET_NAME =
	119	{
	120	TARGET_STRING, /* Name. */
	121	bfd_target_mach_o_flavour,
	122	#if TARGET_BIG_ENDIAN
	123	BFD_ENDIAN_BIG, /* Target byte order. */
	124	BFD_ENDIAN_BIG, /* Target headers byte order. */
	125	#else
	126	BFD_ENDIAN_LITTLE, /* Target byte order. */
	127	BFD_ENDIAN_LITTLE, /* Target headers byte order. */
	128	#endif
	129	(HAS_RELOC \| EXEC_P \| /* Object flags. */
	130	HAS_LINENO \| HAS_DEBUG \|
	131	HAS_SYMS \| HAS_LOCALS \| DYNAMIC \| WP_TEXT \| D_PAGED),
	132	(SEC_CODE \| SEC_DATA \| SEC_ROM \| SEC_HAS_CONTENTS
	133	\| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC), /* Section flags. */
	134	'_', /* symbol_leading_char. */
	135	' ', /* ar_pad_char. */
	136	16, /* ar_max_namelen. */
b93a1992	137	TARGET_PRIORITY, /* match priority. */
3af9a47b NC	138
	139	#if TARGET_BIG_ENDIAN
	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, /* Data. */
	143	bfd_getb64, bfd_getb_signed_64, bfd_putb64,
	144	bfd_getb32, bfd_getb_signed_32, bfd_putb32,
	145	bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Hdrs. */
	146	#else
	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, /* data */
	150	bfd_getl64, bfd_getl_signed_64, bfd_putl64,
	151	bfd_getl32, bfd_getl_signed_32, bfd_putl32,
	152	bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
	153	#endif /* TARGET_BIG_ENDIAN */
	154
	155	{ /* bfd_check_format. */
	156	#if TARGET_ARCHIVE
	157	_bfd_dummy_target,
	158	_bfd_dummy_target,
	159	bfd_mach_o_archive_p,
	160	_bfd_dummy_target,
	161	#else
	162	_bfd_dummy_target,
	163	bfd_mach_o_object_p,
15e1c58a	164	bfd_generic_archive_p,
3af9a47b NC	165	bfd_mach_o_core_p
	166	#endif
	167	},
	168	{ /* bfd_set_format. */
d00dd7dc	169	_bfd_bool_bfd_false_error,
3af9a47b	170	bfd_mach_o_mkobject,
15e1c58a	171	_bfd_generic_mkarchive,
3af9a47b NC	172	bfd_mach_o_mkobject,
	173	},
	174	{ /* bfd_write_contents. */
d00dd7dc	175	_bfd_bool_bfd_false_error,
3af9a47b	176	bfd_mach_o_write_contents,
15e1c58a	177	_bfd_write_archive_contents,
3af9a47b NC	178	bfd_mach_o_write_contents,
	179	},
	180
	181	BFD_JUMP_TABLE_GENERIC (bfd_mach_o),
	182	BFD_JUMP_TABLE_COPY (bfd_mach_o),
	183	BFD_JUMP_TABLE_CORE (bfd_mach_o),
15e1c58a	184	#if TARGET_ARCHIVE
3af9a47b	185	BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o),
15e1c58a	186	#else
8f95b6e4	187	BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44),
15e1c58a	188	#endif
3af9a47b	189	BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o),
92bc0e80	190	BFD_JUMP_TABLE_RELOCS (bfd_mach_o),
3af9a47b NC	191	BFD_JUMP_TABLE_WRITE (bfd_mach_o),
3af9a47b NC	192	BFD_JUMP_TABLE_LINK (bfd_mach_o),
b32e07d7	193	BFD_JUMP_TABLE_DYNAMIC (bfd_mach_o),
3af9a47b	194
92bc0e80	195	/* Alternative endian target. */
3af9a47b NC	196	NULL,
3af9a47b NC	197
92bc0e80 TG	198	/* Back-end data. */
92bc0e80 TG	199	&TARGET_NAME_BACKEND
3af9a47b NC	200	};
3af9a47b NC	201