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34a87bb07a
There should be no difference in output for symbols defined by HIDDEN or PROVIDE_HIDDEN assignments whether they are explicitly marked as hidden or not. This patch adds a new BFD function, bfd_link_hide_symbol, to hide symbols defined by HIDDEN and PROVIDE_HIDDEN assignments. bfd PR ld/23201 * aout-target.h (MY_bfd_link_hide_symbol): New. * aout-tic30.c (MY_bfd_link_hide_symbol): Likewise. * binary.c (binary_bfd_link_hide_symbol): Likewise. * coff-alpha.c (_bfd_ecoff_bfd_link_hide_symbol): Likewise. * coff-mips.c (_bfd_ecoff_bfd_link_hide_symbol): Likewise. * coff-rs6000.c (_bfd_xcoff_bfd_link_hide_symbol): Likewise. * coffcode.h (coff_bfd_link_hide_symbol): Likewise. * elf-bfd.h (_bfd_elf_link_hide_symbol): Likewise. * elfxx-target.h (bfd_elfNN_bfd_link_hide_symbol): Likewise. * i386msdos.c (msdos_bfd_link_hide_symbol): Likewise. * ihex.c (ihex_bfd_link_hide_symbol): Likewise. * libbfd-in.h (_bfd_nolink_bfd_link_hide_symbol): Likewise. * linker.c (_bfd_generic_link_hide_symbol): Likewise. (bfd_link_hide_symbol): Likewise. * mach-o-target.c (bfd_mach_o_bfd_link_hide_symbol): Likewise. * mmo.c (mmo_bfd_link_hide_symbol): Likewise. * pef.c (bfd_pef_bfd_link_hide_symbol): Likewise. * plugin.c (bfd_plugin_bfd_link_hide_symbol): Likewise. * ppcboot.c (ppcboot_bfd_link_hide_symbol): Likewise. * som.c (som_bfd_link_hide_symbol): Likewise. * srec.c (srec_bfd_link_hide_symbol): Likewise. * tekhex.c (tekhex_bfd_link_hide_symbol): Likewise. * vms-alpha.c (vms_bfd_link_hide_symbol): Likewise. (alpha_vms_bfd_link_hide_symbol): Likewise. * xsym.c (bfd_sym_bfd_link_hide_symbol): Likewise. * coff64-rs6000.c (rs6000_xcoff64_vec): Add _bfd_generic_link_hide_symbol. (rs6000_xcoff64_aix_vec): Likewise. * elflink.c (bfd_elf_record_link_assignment): Don't make forced local symbol dynamic. (_bfd_elf_link_hide_symbol): New function. * elfxx-x86.c (_bfd_x86_elf_link_symbol_references_local): Don't check root.ldscript_def. * targets.c (bfd_target): Add _bfd_link_hide_symbol. (BFD_JUMP_TABLE_LINK): Add NAME##_bfd_link_hide_symbol. * bfd-in2.h: Regenerated. * libbfd.h: Likewise. ld/ PR ld/23201 * ldexp.c (exp_fold_tree_1): Call bfd_link_hide_symbol to hide a symbol. * testsuite/ld-elf/provide-hidden-dynabs.nd: Removed. * testsuite/ld-elf/provide-hidden-dynsec.nd: Likewise. * testsuite/ld-elf/provide-hidden.exp: Replace provide-hidden-dynsec.nd with provide-hidden-sec.nd and provide-hidden-dyn.nd. Replace provide-hidden-dynabs.nd with provide-hidden-abs.nd and provide-hidden-dyn.nd. * testsuite/ld-i386/pr23189.d: Expect no dynamic relocation. * testsuite/ld-x86-64/pr23189.d: Likewise.
202 lines
8.0 KiB
C
202 lines
8.0 KiB
C
/* Mach-O support for BFD.
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Copyright (C) 1999-2018 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_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
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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_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
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#define bfd_mach_o_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_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_inliner_info _bfd_nosymbols_find_inliner_info
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#define bfd_mach_o_get_symbol_version_string _bfd_nosymbols_get_symbol_version_string
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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_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_copy_link_hash_symbol_type \
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_bfd_generic_copy_link_hash_symbol_type
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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_bfd_link_check_relocs _bfd_generic_link_check_relocs
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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_mach_o_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_lookup_section_flags bfd_generic_lookup_section_flags
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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_link_hide_symbol _bfd_generic_link_hide_symbol
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#define bfd_mach_o_bfd_define_start_stop bfd_generic_define_start_stop
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#define bfd_mach_o_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_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 bfd_mach_o_core_file_pid _bfd_nocore_core_file_pid
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#define bfd_mach_o_set_reloc _bfd_generic_set_reloc
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#define bfd_mach_o_get_dynamic_symtab_upper_bound bfd_mach_o_get_symtab_upper_bound
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#define bfd_mach_o_canonicalize_dynamic_symtab bfd_mach_o_canonicalize_symtab
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/* For Mach-O special archives. */
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#define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr
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#define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_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_update_armap_timestamp _bfd_noarchive_update_armap_timestamp
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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_ARCHITECTURE
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#error TARGET_ARCHITECTURE must be defined
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#endif /* TARGET_ARCHITECTURE */
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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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#ifndef TARGET_PAGESIZE
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#error TARGET_PAGESIZE must be defined
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#endif
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static const bfd_mach_o_backend_data TARGET_NAME_BACKEND =
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{
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TARGET_ARCHITECTURE,
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TARGET_PAGESIZE,
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bfd_mach_o_canonicalize_one_reloc,
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bfd_mach_o_swap_reloc_out,
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bfd_mach_o_print_thread,
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bfd_mach_o_tgt_seg_table,
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bfd_mach_o_section_type_valid_for_tgt
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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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TARGET_PRIORITY, /* match priority. */
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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_bool_bfd_false_error,
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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_bool_bfd_false_error,
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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_bsd44),
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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_mach_o),
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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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