92bc0e8020
* reloc.c: Add BFD_RELOC_MACH_O_SECTDIFF and BFD_RELOC_MACH_O_PAIR. * bfd-in2.h: Regenerated. * libbfd.h: Regenerated. * mach-o.c (FILE_ALIGN): New macro. (bfd_mach_o_canonicalize_symtab): Adjust for bfd_mach_o_asymbol. (bfd_mach_o_print_symbol): Ditto. (bfd_mach_o_scan_write_thread): Adjust type of variable offset. (bfd_mach_o_get_reloc_upper_bound): New function. (bfd_mach_o_canonicalize_reloc): Ditto. (bfd_mach_o_scan_write_relocs): Ditto. (bfd_mach_o_scan_write_section_32): Remove offset argument. (bfd_mach_o_scan_write_section_64): Ditto. (bfd_mach_o_scan_write_segment_32): Write relocs. Fix size of data written for load command. Do not compute section file offset. (bfd_mach_o_scan_write_segment_64): Ditto. (bfd_mach_o_scan_write_symtab): Compute file offset first. Adjust for bfd_mach_o_asymbol. Move code to convert from BFD to Mach-O to ... (bfd_mach_o_mangle_symbols): ... this new function. (bfd_mach_o_write_contents): Be sure to habe load commands built. Call bfd_mach_o_mangle_symbols. (bfd_mach_o_build_commands): Adjust for filelen field. Use FILE_ALIGN macro. Clear section file offset if section is empty. Do not set symtab file offset anymore here. (bfd_mach_o_make_empty_symbol): Allocate a bfd_mach_o_asymbol. (bfd_mach_o_make_bfd_section): Set SEC_RELOC if has reloc. Set reloc_count and rel_filepos section fields. (bfd_mach_o_scan_read_section_32): Type of argument offset is now unsigned int. (bfd_mach_o_scan_read_section_64): Ditto. (bfd_mach_o_scan_read_section): Ditto. (bfd_mach_o_scan_read_symtab_symbol): Typr of argument s is now bfd_mach_o_asymbol. Use unsigned int for file offset type. (bfd_mach_o_scan_read_symtab_symbol): Adjust for bfd_mach_o_asymbol. Handle weak-ref symbols. (bfd_mach_o_scan_read_symtab_symbols): Adjust for bfd_mach_o_asymbol. (bfd_mach_o_scan_read_dysymtab_symbol): Ditto. (bfd_mach_o_scan): Remove assignment to removed field. (bfd_mach_o_mkobject_init): Ditto. (bfd_mach_o_bfd_print_private_bfd_data): Adjust printf formatter. (bfd_mach_o_bfd_reloc_type_lookup): New macro. (bfd_mach_o_bfd_reloc_name_lookup): Ditto. (bfd_mach_o_swap_reloc_in): Ditto. (bfd_mach_o_swap_reloc_out): Ditto. * mach-o.h (BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY) (BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY) (BFD_MACH_O_REFERENCE_FLAG_DEFINED) (BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED) (BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY) (BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY) (BFD_MACH_O_REFERENCED_DYNAMICALLY, BFD_MACH_O_N_DESC_DISCARDED) (BFD_MACH_O_N_NO_DEAD_STRIP, BFD_MACH_O_N_WEAK_REF) (BFD_MACH_O_N_WEAK_DEF): New macros. Add comments. (bfd_mach_o_section_type): Add new enumeration values. (BFD_MACH_O_S_SELF_MODIFYING_CODE) (BFD_MACH_O_S_ATTR_LIVE_SUPPORT) (BFD_MACH_O_S_ATTR_NO_DEAD_STRIP) (BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS, BFD_MACH_O_S_ATTR_NO_TOC): New macros. (BFD_MACH_O_GENERIC_RELOC_VANILLA) (BFD_MACH_O_GENERIC_RELOC_PAIR) (BFD_MACH_O_GENERIC_RELOC_SECTDIFF) (BFD_MACH_O_GENERIC_RELOC_PB_LA_PTR) (BFD_MACH_O_GENERIC_RELOC_LOCAL_SECTDIFF): Ditto. (BFD_MACH_O_RELENT_SIZE): Ditto. (BFD_MACH_O_R_PCREL, BFD_MACH_O_GET_R_LENGTH) (BFD_MACH_O_R_EXTERN, BFD_MACH_O_GET_R_TYPE) (BFD_MACH_O_GET_R_SYMBOLNUM, BFD_MACH_O_SET_R_LENGTH) (BFD_MACH_O_SET_R_TYPE, BFD_MACH_O_SET_R_SYMBOLNUM): Ditto. (BFD_MACH_O_SR_SCATTERED, BFD_MACH_O_SR_PCREL) (BFD_MACH_O_GET_SR_LENGTH, BFD_MACH_O_GET_SR_TYPE) (BFD_MACH_O_GET_SR_ADDRESS, BFD_MACH_O_SET_SR_LENGTH) (BFD_MACH_O_SET_SR_TYPE, BFD_MACH_O_SET_SR_ADDRESS): Ditto. (bfd_mach_o_reloc_info): New struct. (bfd_mach_o_asymbol): New struct. (bfd_mach_o_symtab_command): The symbols field is now of type bfd_mach_o_asymbol. (bfd_mach_o_load_command): The offset and len fields are now of type unsigned int. (mach_o_data_struct): Remove symbols, nsymbols and ibfd fields. Add a filelen field. Add comments. (bfd_mach_o_backend_data): New struct. (bfd_mach_o_get_backend_data): New macro. (bfd_mach_o_scan_read_symtab_symbol): Parameter symbol now of type bfd_mach_o_asymbol. (bfd_mach_o_scan_read_dysymtab_symbol): Ditto. (bfd_mach_o_get_reloc_upper_bound): New prototype. (bfd_mach_o_canonicalize_reloc): Ditto. * mach-o-target.c (bfd_mach_o_bfd_is_local_label_name): Remove duplicated macro. Now defined to _bfd_generic_is_local_label. (TARGET_NAME_BACKEND): New macro... (TARGET_NAME_BACKEND): ... used to name a new variable. (TARGET_NAME): Define relocs table using bfd_mach_o, reference Mach-O backend data. * mach-o-i386.c (i386_howto_table): New variable. (bfd_mach_o_i386_swap_reloc_in): New function. (bfd_mach_o_i386_swap_reloc_out): Ditto. (bfd_mach_o_i386_bfd_reloc_type_lookup): Ditto. (bfd_mach_o_i386_bfd_reloc_name_lookup): Ditto. (bfd_mach_o_swap_reloc_in, bfd_mach_o_swap_reloc_out): New macros. (bfd_mach_o_bfd_reloc_type_lookup) (bfd_mach_o_bfd_reloc_name_lookup): Ditto.
183 lines
7.7 KiB
C
183 lines
7.7 KiB
C
/* Mach-O support for BFD.
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Copyright 1999, 2000, 2001, 2002, 2007, 2009
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Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* Define generic entry points here so that we don't need to duplicate the
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defines in every target. But define once as this file may be included
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several times. */
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#ifndef MACH_O_TARGET_COMMON_DEFINED
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#define MACH_O_TARGET_COMMON_DEFINED
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#define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive
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#define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr
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#define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap
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#define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table
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#define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table
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#define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname
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#define bfd_mach_o_write_armap _bfd_noarchive_write_armap
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#define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index
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#define bfd_mach_o_generic_stat_arch_elt _bfd_noarchive_generic_stat_arch_elt
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#define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp
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#define bfd_mach_o_close_and_cleanup _bfd_generic_close_and_cleanup
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#define bfd_mach_o_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
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#define bfd_mach_o_new_section_hook _bfd_generic_new_section_hook
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#define bfd_mach_o_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
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#define bfd_mach_o_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
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#define bfd_mach_o_bfd_is_local_label_name bfd_generic_is_local_label_name
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#define bfd_mach_o_get_lineno _bfd_nosymbols_get_lineno
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#define bfd_mach_o_find_nearest_line _bfd_nosymbols_find_nearest_line
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#define bfd_mach_o_find_inliner_info _bfd_nosymbols_find_inliner_info
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#define bfd_mach_o_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
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#define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols
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#define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
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#define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
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#define bfd_mach_o_bfd_relax_section bfd_generic_relax_section
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#define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
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#define bfd_mach_o_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
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#define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols
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#define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms
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#define bfd_mach_o_bfd_final_link _bfd_generic_final_link
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#define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section
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#define bfd_mach_o_set_arch_mach bfd_default_set_arch_mach
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#define bfd_mach_o_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
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#define bfd_mach_o_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
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#define bfd_mach_o_get_section_contents _bfd_generic_get_section_contents
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#define bfd_mach_o_bfd_gc_sections bfd_generic_gc_sections
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#define bfd_mach_o_bfd_merge_sections bfd_generic_merge_sections
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#define bfd_mach_o_bfd_is_group_section bfd_generic_is_group_section
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#define bfd_mach_o_bfd_discard_group bfd_generic_discard_group
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#define bfd_mach_o_section_already_linked _bfd_generic_section_already_linked
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#define bfd_mach_o_bfd_define_common_symbol bfd_generic_define_common_symbol
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#define bfd_mach_o_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data
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#define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p
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#define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend)
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#endif /* MACH_O_TARGET_COMMON_DEFINED */
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#ifndef TARGET_NAME
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#error TARGET_NAME must be defined
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#endif /* TARGET_NAME */
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#ifndef TARGET_STRING
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#error TARGET_STRING must be defined
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#endif /* TARGET_STRING */
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#ifndef TARGET_BIG_ENDIAN
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#error TARGET_BIG_ENDIAN must be defined
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#endif /* TARGET_BIG_ENDIAN */
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#ifndef TARGET_ARCHIVE
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#error TARGET_ARCHIVE must be defined
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#endif /* TARGET_ARCHIVE */
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#if ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN))
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#error Mach-O fat files must always be big-endian.
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#endif /* ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN)) */
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static const bfd_mach_o_backend_data TARGET_NAME_BACKEND =
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{
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bfd_mach_o_swap_reloc_in,
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bfd_mach_o_swap_reloc_out
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};
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const bfd_target TARGET_NAME =
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{
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TARGET_STRING, /* Name. */
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bfd_target_mach_o_flavour,
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#if TARGET_BIG_ENDIAN
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BFD_ENDIAN_BIG, /* Target byte order. */
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BFD_ENDIAN_BIG, /* Target headers byte order. */
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#else
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BFD_ENDIAN_LITTLE, /* Target byte order. */
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BFD_ENDIAN_LITTLE, /* Target headers byte order. */
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#endif
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(HAS_RELOC | EXEC_P | /* Object flags. */
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HAS_LINENO | HAS_DEBUG |
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HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
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(SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
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| SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */
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'_', /* symbol_leading_char. */
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' ', /* ar_pad_char. */
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16, /* ar_max_namelen. */
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#if TARGET_BIG_ENDIAN
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bfd_getb64, bfd_getb_signed_64, bfd_putb64,
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bfd_getb32, bfd_getb_signed_32, bfd_putb32,
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bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */
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bfd_getb64, bfd_getb_signed_64, bfd_putb64,
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bfd_getb32, bfd_getb_signed_32, bfd_putb32,
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bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Hdrs. */
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#else
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bfd_getl64, bfd_getl_signed_64, bfd_putl64,
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bfd_getl32, bfd_getl_signed_32, bfd_putl32,
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bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
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bfd_getl64, bfd_getl_signed_64, bfd_putl64,
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bfd_getl32, bfd_getl_signed_32, bfd_putl32,
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bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
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#endif /* TARGET_BIG_ENDIAN */
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{ /* bfd_check_format. */
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#if TARGET_ARCHIVE
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_bfd_dummy_target,
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_bfd_dummy_target,
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bfd_mach_o_archive_p,
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_bfd_dummy_target,
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#else
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_bfd_dummy_target,
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bfd_mach_o_object_p,
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bfd_generic_archive_p,
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bfd_mach_o_core_p
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#endif
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},
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{ /* bfd_set_format. */
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bfd_false,
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bfd_mach_o_mkobject,
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_bfd_generic_mkarchive,
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bfd_mach_o_mkobject,
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},
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{ /* bfd_write_contents. */
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bfd_false,
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bfd_mach_o_write_contents,
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_bfd_write_archive_contents,
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bfd_mach_o_write_contents,
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},
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BFD_JUMP_TABLE_GENERIC (bfd_mach_o),
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BFD_JUMP_TABLE_COPY (bfd_mach_o),
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BFD_JUMP_TABLE_CORE (bfd_mach_o),
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#if TARGET_ARCHIVE
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BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o),
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#else
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BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd),
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#endif
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BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o),
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BFD_JUMP_TABLE_RELOCS (bfd_mach_o),
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BFD_JUMP_TABLE_WRITE (bfd_mach_o),
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BFD_JUMP_TABLE_LINK (bfd_mach_o),
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BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
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/* Alternative endian target. */
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NULL,
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/* Back-end data. */
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&TARGET_NAME_BACKEND
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};
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