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

/* Mach-O support for BFD.
   Copyright (C) 1999-2014 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_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_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_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_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_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_get_dynamic_symtab_upper_bound     bfd_mach_o_get_symtab_upper_bound
#define bfd_mach_o_canonicalize_dynamic_symtab	      bfd_mach_o_canonicalize_symtab

#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

#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 =
{
  TARGET_ARCHITECTURE,
  TARGET_PAGESIZE,
  bfd_mach_o_swap_reloc_in,
  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_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_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
	1	/* Mach-O support for BFD.
	2	Copyright (C) 1999-2014 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_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
	35	#define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols
	36	#define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
	37	#define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
	38	#define bfd_mach_o_bfd_relax_section bfd_generic_relax_section
	39	#define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
	40	#define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols
	41	#define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms
	42	#define bfd_mach_o_bfd_copy_link_hash_symbol_type \
	43	_bfd_generic_copy_link_hash_symbol_type
	44	#define bfd_mach_o_bfd_final_link _bfd_generic_final_link
	45	#define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section
	46	#define bfd_mach_o_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
	47	#define bfd_mach_o_bfd_set_private_flags bfd_mach_o_bfd_set_private_flags
	48	#define bfd_mach_o_get_section_contents _bfd_generic_get_section_contents
	49	#define bfd_mach_o_bfd_gc_sections bfd_generic_gc_sections
	50	#define bfd_mach_o_bfd_lookup_section_flags bfd_generic_lookup_section_flags
	51	#define bfd_mach_o_bfd_merge_sections bfd_generic_merge_sections
	52	#define bfd_mach_o_bfd_is_group_section bfd_generic_is_group_section
	53	#define bfd_mach_o_bfd_discard_group bfd_generic_discard_group
	54	#define bfd_mach_o_section_already_linked _bfd_generic_section_already_linked
	55	#define bfd_mach_o_bfd_define_common_symbol bfd_generic_define_common_symbol
	56	#define bfd_mach_o_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
	57	#define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p
	58	#define bfd_mach_o_core_file_pid _bfd_nocore_core_file_pid
	59
	60	#define bfd_mach_o_get_dynamic_symtab_upper_bound bfd_mach_o_get_symtab_upper_bound
	61	#define bfd_mach_o_canonicalize_dynamic_symtab bfd_mach_o_canonicalize_symtab
	62
	63	#define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend)
	64
	65	#endif /* MACH_O_TARGET_COMMON_DEFINED */
	66
	67	#ifndef TARGET_NAME
	68	#error TARGET_NAME must be defined
	69	#endif /* TARGET_NAME */
	70
	71	#ifndef TARGET_STRING
	72	#error TARGET_STRING must be defined
	73	#endif /* TARGET_STRING */
	74
	75	#ifndef TARGET_ARCHITECTURE
	76	#error TARGET_ARCHITECTURE must be defined
	77	#endif /* TARGET_ARCHITECTURE */
	78
	79	#ifndef TARGET_BIG_ENDIAN
	80	#error TARGET_BIG_ENDIAN must be defined
	81	#endif /* TARGET_BIG_ENDIAN */
	82
	83	#ifndef TARGET_ARCHIVE
	84	#error TARGET_ARCHIVE must be defined
	85	#endif /* TARGET_ARCHIVE */
	86
	87	#ifndef TARGET_PAGESIZE
	88	#error TARGET_PAGESIZE must be defined
	89	#endif
	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
	95	static const bfd_mach_o_backend_data TARGET_NAME_BACKEND =
	96	{
	97	TARGET_ARCHITECTURE,
	98	TARGET_PAGESIZE,
	99	bfd_mach_o_swap_reloc_in,
	100	bfd_mach_o_swap_reloc_out,
	101	bfd_mach_o_print_thread,
	102	bfd_mach_o_tgt_seg_table,
	103	bfd_mach_o_section_type_valid_for_tgt
	104	};
	105
	106	const bfd_target TARGET_NAME =
	107	{
	108	TARGET_STRING, /* Name. */
	109	bfd_target_mach_o_flavour,
	110	#if TARGET_BIG_ENDIAN
	111	BFD_ENDIAN_BIG, /* Target byte order. */
	112	BFD_ENDIAN_BIG, /* Target headers byte order. */
	113	#else
	114	BFD_ENDIAN_LITTLE, /* Target byte order. */
	115	BFD_ENDIAN_LITTLE, /* Target headers byte order. */
	116	#endif
	117	(HAS_RELOC \| EXEC_P \| /* Object flags. */
	118	HAS_LINENO \| HAS_DEBUG \|
	119	HAS_SYMS \| HAS_LOCALS \| DYNAMIC \| WP_TEXT \| D_PAGED),
	120	(SEC_CODE \| SEC_DATA \| SEC_ROM \| SEC_HAS_CONTENTS
	121	\| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC), /* Section flags. */
	122	'_', /* symbol_leading_char. */
	123	' ', /* ar_pad_char. */
	124	16, /* ar_max_namelen. */
	125	TARGET_PRIORITY, /* match priority. */
	126
	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 */
	142
	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
	155	},
	156	{ /* bfd_set_format. */
	157	bfd_false,
	158	bfd_mach_o_mkobject,
	159	_bfd_generic_mkarchive,
	160	bfd_mach_o_mkobject,
	161	},
	162	{ /* bfd_write_contents. */
	163	bfd_false,
	164	bfd_mach_o_write_contents,
	165	_bfd_write_archive_contents,
	166	bfd_mach_o_write_contents,
	167	},
	168
	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_bsd44),
	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),
	182
	183	/* Alternative endian target. */
	184	NULL,
	185
	186	/* Back-end data. */
	187	&TARGET_NAME_BACKEND
	188	};
	189