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

/* Mach-O support for BFD.
   Copyright 1999, 2000, 2001, 2002, 2007, 2009
   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_mkarchive                          _bfd_noarchive_mkarchive
#define bfd_mach_o_read_ar_hdr                        _bfd_noarchive_read_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_generic_stat_arch_elt              _bfd_noarchive_generic_stat_arch_elt
#define bfd_mach_o_update_armap_timestamp             _bfd_noarchive_update_armap_timestamp
#define bfd_mach_o_close_and_cleanup                  _bfd_generic_close_and_cleanup
#define bfd_mach_o_bfd_free_cached_info               _bfd_generic_bfd_free_cached_info
#define bfd_mach_o_new_section_hook                   _bfd_generic_new_section_hook
#define bfd_mach_o_get_section_contents_in_window     _bfd_generic_get_section_contents_in_window
#define bfd_mach_o_bfd_is_target_special_symbol       ((bfd_boolean (*) (bfd *, asymbol *)) bfd_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_nearest_line                  _bfd_nosymbols_find_nearest_line
#define bfd_mach_o_find_inliner_info                  _bfd_nosymbols_find_inliner_info
#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_hash_table_free           _bfd_generic_link_hash_table_free
#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_final_link                     _bfd_generic_final_link
#define bfd_mach_o_bfd_link_split_section             _bfd_generic_link_split_section
#define bfd_mach_o_set_arch_mach                      bfd_default_set_arch_mach
#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_generic_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_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_copy_private_header_data       _bfd_generic_bfd_copy_private_header_data
#define bfd_mach_o_core_file_matches_executable_p     generic_core_file_matches_executable_p

#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_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 */

#if ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN))
#error Mach-O fat files must always be big-endian.
#endif /* ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN)) */

static const bfd_mach_o_backend_data TARGET_NAME_BACKEND =
{
  bfd_mach_o_swap_reloc_in,
  bfd_mach_o_swap_reloc_out
};

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.  */

#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_false,
    bfd_mach_o_mkobject,
    _bfd_generic_mkarchive,
    bfd_mach_o_mkobject,
  },
  {				/* bfd_write_contents.  */
    bfd_false,
    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_bsd),
#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_nodynamic),

  /* Alternative endian target.  */
  NULL,

  /* Back-end data.  */
  &TARGET_NAME_BACKEND
};
Commit	Line	Data
3af9a47b	1	/* Mach-O support for BFD.
154a1ee5	2	Copyright 1999, 2000, 2001, 2002, 2007, 2009
3af9a47b NC	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
cd123cb7	9	the Free Software Foundation; either version 3 of the License, or
3af9a47b NC	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
cd123cb7 NC	19	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
cd123cb7 NC	20	MA 02110-1301, USA. */
3af9a47b	21
154a1ee5 TG	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
	27
	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
154a1ee5	42	#define bfd_mach_o_bfd_is_target_special_symbol ((bfd_boolean () (bfd , asymbol *)) bfd_false)
92bc0e80	43	#define bfd_mach_o_bfd_is_local_label_name bfd_generic_is_local_label_name
154a1ee5 TG	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_final_link _bfd_generic_final_link
	57	#define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section
	58	#define bfd_mach_o_set_arch_mach bfd_default_set_arch_mach
	59	#define bfd_mach_o_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
	60	#define bfd_mach_o_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
	61	#define bfd_mach_o_get_section_contents _bfd_generic_get_section_contents
	62	#define bfd_mach_o_bfd_gc_sections bfd_generic_gc_sections
	63	#define bfd_mach_o_bfd_merge_sections bfd_generic_merge_sections
	64	#define bfd_mach_o_bfd_is_group_section bfd_generic_is_group_section
	65	#define bfd_mach_o_bfd_discard_group bfd_generic_discard_group
	66	#define bfd_mach_o_section_already_linked _bfd_generic_section_already_linked
	67	#define bfd_mach_o_bfd_define_common_symbol bfd_generic_define_common_symbol
	68	#define bfd_mach_o_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data
	69	#define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p
	70
92bc0e80 TG	71	#define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend)
92bc0e80 TG	72
154a1ee5 TG	73	#endif /* MACH_O_TARGET_COMMON_DEFINED */
154a1ee5 TG	74
3af9a47b NC	75	#ifndef TARGET_NAME
	76	#error TARGET_NAME must be defined
	77	#endif /* TARGET_NAME */
	78
	79	#ifndef TARGET_STRING
	80	#error TARGET_STRING must be defined
	81	#endif /* TARGET_STRING */
	82
	83	#ifndef TARGET_BIG_ENDIAN
	84	#error TARGET_BIG_ENDIAN must be defined
	85	#endif /* TARGET_BIG_ENDIAN */
	86
	87	#ifndef TARGET_ARCHIVE
	88	#error TARGET_ARCHIVE must be defined
	89	#endif /* TARGET_ARCHIVE */
	90
	91	#if ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN))
	92	#error Mach-O fat files must always be big-endian.
	93	#endif /* ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN)) */
	94
92bc0e80 TG	95	static const bfd_mach_o_backend_data TARGET_NAME_BACKEND =
	96	{
	97	bfd_mach_o_swap_reloc_in,
	98	bfd_mach_o_swap_reloc_out
	99	};
	100
3af9a47b NC	101	const bfd_target TARGET_NAME =
	102	{
	103	TARGET_STRING, /* Name. */
	104	bfd_target_mach_o_flavour,
	105	#if TARGET_BIG_ENDIAN
	106	BFD_ENDIAN_BIG, /* Target byte order. */
	107	BFD_ENDIAN_BIG, /* Target headers byte order. */
	108	#else
	109	BFD_ENDIAN_LITTLE, /* Target byte order. */
	110	BFD_ENDIAN_LITTLE, /* Target headers byte order. */
	111	#endif
	112	(HAS_RELOC \| EXEC_P \| /* Object flags. */
	113	HAS_LINENO \| HAS_DEBUG \|
	114	HAS_SYMS \| HAS_LOCALS \| DYNAMIC \| WP_TEXT \| D_PAGED),
	115	(SEC_CODE \| SEC_DATA \| SEC_ROM \| SEC_HAS_CONTENTS
	116	\| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC), /* Section flags. */
	117	'_', /* symbol_leading_char. */
	118	' ', /* ar_pad_char. */
	119	16, /* ar_max_namelen. */
	120
	121	#if TARGET_BIG_ENDIAN
	122	bfd_getb64, bfd_getb_signed_64, bfd_putb64,
	123	bfd_getb32, bfd_getb_signed_32, bfd_putb32,
	124	bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */
	125	bfd_getb64, bfd_getb_signed_64, bfd_putb64,
	126	bfd_getb32, bfd_getb_signed_32, bfd_putb32,
	127	bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Hdrs. */
	128	#else
	129	bfd_getl64, bfd_getl_signed_64, bfd_putl64,
	130	bfd_getl32, bfd_getl_signed_32, bfd_putl32,
	131	bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
	132	bfd_getl64, bfd_getl_signed_64, bfd_putl64,
	133	bfd_getl32, bfd_getl_signed_32, bfd_putl32,
	134	bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
	135	#endif /* TARGET_BIG_ENDIAN */
	136
	137	{ /* bfd_check_format. */
	138	#if TARGET_ARCHIVE
	139	_bfd_dummy_target,
	140	_bfd_dummy_target,
	141	bfd_mach_o_archive_p,
	142	_bfd_dummy_target,
	143	#else
	144	_bfd_dummy_target,
	145	bfd_mach_o_object_p,
15e1c58a	146	bfd_generic_archive_p,
3af9a47b NC	147	bfd_mach_o_core_p
	148	#endif
	149	},
	150	{ /* bfd_set_format. */
	151	bfd_false,
	152	bfd_mach_o_mkobject,
15e1c58a	153	_bfd_generic_mkarchive,
3af9a47b NC	154	bfd_mach_o_mkobject,
	155	},
	156	{ /* bfd_write_contents. */
	157	bfd_false,
	158	bfd_mach_o_write_contents,
15e1c58a	159	_bfd_write_archive_contents,
3af9a47b NC	160	bfd_mach_o_write_contents,
	161	},
	162
	163	BFD_JUMP_TABLE_GENERIC (bfd_mach_o),
	164	BFD_JUMP_TABLE_COPY (bfd_mach_o),
	165	BFD_JUMP_TABLE_CORE (bfd_mach_o),
15e1c58a	166	#if TARGET_ARCHIVE
3af9a47b	167	BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o),
15e1c58a TG	168	#else
	169	BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd),
	170	#endif
3af9a47b	171	BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o),
92bc0e80	172	BFD_JUMP_TABLE_RELOCS (bfd_mach_o),
3af9a47b NC	173	BFD_JUMP_TABLE_WRITE (bfd_mach_o),
	174	BFD_JUMP_TABLE_LINK (bfd_mach_o),
	175	BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
	176
92bc0e80	177	/* Alternative endian target. */
3af9a47b NC	178	NULL,
3af9a47b NC	179
92bc0e80 TG	180	/* Back-end data. */
92bc0e80 TG	181	&TARGET_NAME_BACKEND
3af9a47b NC	182	};
3af9a47b NC	183