new generic elf64 stuff
This commit is contained in:
Ken Raeburn
parent
f0d7cc29ad
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3adad029e0
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/* Generic support for 64-bit ELF
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Copyright 1993 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "libelf.h"
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/* This does not include any relocations, but should be good enough
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for GDB to read the file. */
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#define TARGET_LITTLE_SYM bfd_elf64_little_generic_vec
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#define TARGET_LITTLE_NAME "elf64-little"
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#define TARGET_BIG_SYM bfd_elf64_big_generic_vec
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#define TARGET_BIG_NAME "elf64-big"
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#define ELF_ARCH bfd_arch_unknown
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#define bfd_elf64_bfd_reloc_type_lookup bfd_default_reloc_type_lookup
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#define elf_info_to_howto bfd_elf64_no_info_to_howto
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#include "elf64-target.h"
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/* Target definitions for 64-bit ELF
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Copyright 1993 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* This structure contains everything that BFD knows about a target.
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It includes things like its byte order, name, what routines to call
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to do various operations, etc. Every BFD points to a target structure
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with its "xvec" member.
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There are two such structures here: one for big-endian machines and
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one for little-endian machines. */
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/* Archives are generic or unimplemented. */
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#ifndef bfd_elf64_slurp_armap
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#define bfd_elf64_slurp_armap bfd_slurp_coff_armap
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#endif
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#define bfd_elf64_slurp_extended_name_table _bfd_slurp_extended_name_table
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#define bfd_elf64_truncate_arname bfd_dont_truncate_arname
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#define bfd_elf64_openr_next_archived_file bfd_generic_openr_next_archived_file
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#define bfd_elf64_generic_stat_arch_elt bfd_generic_stat_arch_elt
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#ifndef bfd_elf64_write_armap
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#define bfd_elf64_write_armap coff_write_armap
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#endif
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/* Ordinary section reading and writing */
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#define bfd_elf64_get_section_contents bfd_generic_get_section_contents
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#define bfd_elf64_close_and_cleanup bfd_generic_close_and_cleanup
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#define bfd_elf64_bfd_debug_info_start bfd_void
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#define bfd_elf64_bfd_debug_info_end bfd_void
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#define bfd_elf64_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
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#define bfd_elf64_bfd_get_relocated_section_contents \
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bfd_generic_get_relocated_section_contents
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#define bfd_elf64_bfd_relax_section bfd_generic_relax_section
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#define bfd_elf64_bfd_seclet_link bfd_generic_seclet_link
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#define bfd_elf64_bfd_make_debug_symbol \
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((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
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static CONST struct elf_backend_data elf64_bed =
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{
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#ifdef USE_REL
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0, /* use_rela_p */
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#else
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1, /* use_rela_p */
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#endif
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0, /* elf_64_p */
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ELF_ARCH, /* arch */
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elf_info_to_howto, /* elf_info_to_howto */
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#ifdef elf_info_to_howto_rel
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elf_info_to_howto_rel, /* elf_info_to_howto_rel */
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#else
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0, /* elf_info_to_howto_rel */
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#endif
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};
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#ifdef TARGET_BIG_SYM
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bfd_target TARGET_BIG_SYM =
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{
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/* name: identify kind of target */
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TARGET_BIG_NAME,
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/* flavour: general indication about file */
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bfd_target_elf_flavour,
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/* byteorder_big_p: data is big endian */
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true,
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/* header_byteorder_big_p: header is also big endian */
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true,
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/* object_flags: mask of all file flags */
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(HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
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DYNAMIC | WP_TEXT),
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/* section_flags: mask of all section flags */
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
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SEC_CODE | SEC_DATA),
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/* leading_symbol_char: is the first char of a user symbol
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predictable, and if so what is it */
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0,
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/* ar_pad_char: pad character for filenames within an archive header
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FIXME: this really has nothing to do with ELF, this is a characteristic
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of the archiver and/or os and should be independently tunable */
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'/',
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/* ar_max_namelen: maximum number of characters in an archive header
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FIXME: this really has nothing to do with ELF, this is a characteristic
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of the archiver and should be independently tunable. This value is
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a WAG (wild a** guess) */
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15,
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/* align_power_min: minimum alignment restriction for any section
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FIXME: this value may be target machine dependent */
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3,
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/* Routines to byte-swap various sized integers from the data sections */
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_do_getb64, _do_getb_signed_64, _do_putb64,
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_do_getb32, _do_getb_signed_32, _do_putb32,
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_do_getb16, _do_getb_signed_16, _do_putb16,
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/* Routines to byte-swap various sized integers from the file headers */
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_do_getb64, _do_getb_signed_64, _do_putb64,
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_do_getb32, _do_getb_signed_32, _do_putb32,
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_do_getb16, _do_getb_signed_16, _do_putb16,
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/* bfd_check_format: check the format of a file being read */
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{ _bfd_dummy_target, /* unknown format */
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bfd_elf64_object_p, /* assembler/linker output (object file) */
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bfd_generic_archive_p, /* an archive */
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bfd_elf64_core_file_p /* a core file */
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},
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/* bfd_set_format: set the format of a file being written */
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{ bfd_false,
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bfd_elf_mkobject,
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_bfd_generic_mkarchive,
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bfd_false
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},
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/* bfd_write_contents: write cached information into a file being written */
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{ bfd_false,
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bfd_elf64_write_object_contents,
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_bfd_write_archive_contents,
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bfd_false
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},
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/* Initialize a jump table with the standard macro. All names start with
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"elf" */
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JUMP_TABLE(bfd_elf64),
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/* backend_data: */
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(PTR) &elf64_bed,
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};
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#endif
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#ifdef TARGET_LITTLE_SYM
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bfd_target TARGET_LITTLE_SYM =
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{
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/* name: identify kind of target */
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TARGET_LITTLE_NAME,
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/* flavour: general indication about file */
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bfd_target_elf_flavour,
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/* byteorder_big_p: data is big endian */
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false, /* Nope -- this one's little endian */
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/* header_byteorder_big_p: header is also big endian */
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false, /* Nope -- this one's little endian */
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/* object_flags: mask of all file flags */
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(HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
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DYNAMIC | WP_TEXT),
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/* section_flags: mask of all section flags */
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
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SEC_DATA),
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/* leading_symbol_char: is the first char of a user symbol
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predictable, and if so what is it */
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0,
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/* ar_pad_char: pad character for filenames within an archive header
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FIXME: this really has nothing to do with ELF, this is a characteristic
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of the archiver and/or os and should be independently tunable */
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'/',
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/* ar_max_namelen: maximum number of characters in an archive header
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FIXME: this really has nothing to do with ELF, this is a characteristic
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of the archiver and should be independently tunable. This value is
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a WAG (wild a** guess) */
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15,
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/* align_power_min: minimum alignment restriction for any section
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FIXME: this value may be target machine dependent */
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3,
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/* Routines to byte-swap various sized integers from the data sections */
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_do_getl64, _do_getl_signed_64, _do_putl64,
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_do_getl32, _do_getl_signed_32, _do_putl32,
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_do_getl16, _do_getl_signed_16, _do_putl16,
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/* Routines to byte-swap various sized integers from the file headers */
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_do_getl64, _do_getl_signed_64, _do_putl64,
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_do_getl32, _do_getl_signed_32, _do_putl32,
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_do_getl16, _do_getl_signed_16, _do_putl16,
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/* bfd_check_format: check the format of a file being read */
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{ _bfd_dummy_target, /* unknown format */
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bfd_elf64_object_p, /* assembler/linker output (object file) */
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bfd_generic_archive_p, /* an archive */
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bfd_elf64_core_file_p /* a core file */
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},
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/* bfd_set_format: set the format of a file being written */
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{ bfd_false,
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bfd_elf_mkobject,
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_bfd_generic_mkarchive,
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bfd_false
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},
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/* bfd_write_contents: write cached information into a file being written */
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{ bfd_false,
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bfd_elf64_write_object_contents,
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_bfd_write_archive_contents,
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bfd_false
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},
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/* Initialize a jump table with the standard macro. All names start with
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"elf" */
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JUMP_TABLE(bfd_elf64),
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/* backend_data: */
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(PTR) &elf64_bed,
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};
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#endif
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