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binutils-gdb/bfd/mach-o-target.c
Tristan Gingold f1bde64c90 2011-08-08 Tristan Gingold <gingold@adacore.com> 
* mach-o.h (BFD_MACH_O_SEGNAME_SIZE): New macro.
	(BFD_MACH_O_SECTNAME_SIZE): Ditto.
	(bfd_mach_o_section): Use them.  Add next field.
	(bfd_mach_o_segment_command): Replace sections array by
	sect_head and sect_tail.
	(bfd_mach_o_get_mach_o_section): New macro.
	(bfd_mach_o_lookup_section): Remove.
	(bfd_mach_o_new_section_hook): New function.
	* mach-o.c (bfd_mach_o_normalize_section_name): Use strncmp
	instead of strcmp.
	(bfd_mach_o_convert_section_name_to_bfd): Replaces section
	parameter with segname and sectname parameters.  Adjust.
	(bfd_mach_o_append_section_to_segment): New function.  Use a
	linked list for Mach-O sections.
	(bfd_mach_o_write_segment_32): Adjust.
	(bfd_mach_o_write_segment_64): Ditto.
	(bfd_mach_o_build_commands): Fix comment.  Adjust.
	(bfd_mach_o_flatten_sections): Adjust.
	(bfd_mach_o_print_section_map): Adjust.
	(bfd_mach_o_set_section_flags_from_bfd): Ditto.
	(bfd_mach_o_new_section_hook): New function.
	(bfd_mach_o_init_section_from_mach_o): Ditto.
	(bfd_mach_o_read_section_32): Remove section parameter.
	Return a section instead.
	(bfd_mach_o_read_section_64): Ditto.
	(bfd_mach_o_read_section): Ditto.
	(bfd_mach_o_make_bfd_section): Adjust.
	(bfd_mach_o_read_segment): Adjust for new profile of
	bfd_mach_o_read_section.
	(bfd_mach_o_lookup_section): Remove.
	* mach-o-target.c (bfd_mach_o_new_section_hook): Remove.
2011-08-08 10:56:31 +00:00

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/* Mach-O support for BFD.
Copyright 1999, 2000, 2001, 2002, 2005, 2007, 2008, 2009, 2010, 2011
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_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_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_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_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_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_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 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 */
#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,
bfd_mach_o_swap_reloc_in,
bfd_mach_o_swap_reloc_out,
bfd_mach_o_print_thread
};
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. */
0, /* 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
};
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