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targets.c revision 1.13.2.1
      1 /* Generic target-file-type support for the BFD library.
      2    Copyright (C) 1990-2024 Free Software Foundation, Inc.
      3    Written by Cygnus Support.
      4 
      5    This file is part of BFD, the Binary File Descriptor library.
      6 
      7    This program is free software; you can redistribute it and/or modify
      8    it under the terms of the GNU General Public License as published by
      9    the Free Software Foundation; either version 3 of the License, or
     10    (at your option) any later version.
     11 
     12    This program is distributed in the hope that it will be useful,
     13    but WITHOUT ANY WARRANTY; without even the implied warranty of
     14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     15    GNU General Public License for more details.
     16 
     17    You should have received a copy of the GNU General Public License
     18    along with this program; if not, write to the Free Software
     19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
     20    MA 02110-1301, USA.  */
     21 
     22 #include "sysdep.h"
     23 #include "libiberty.h"
     24 #include "bfd.h"
     25 #include "libbfd.h"
     26 #include "fnmatch.h"
     27 
     28 /*
     29    It's okay to see some:
     30 #if 0
     31    directives in this source file, as targets.c uses them to exclude
     32    certain BFD vectors.  This comment is specially formatted to catch
     33    users who grep for ^#if 0, so please keep it this way!
     34 */
     35 
     36 /*
     37 SECTION
     38 	Targets
     39 
     40 DESCRIPTION
     41 	Each port of BFD to a different machine requires the creation
     42 	of a target back end. All the back end provides to the root
     43 	part of BFD is a structure containing pointers to functions
     44 	which perform certain low level operations on files. BFD
     45 	translates the applications's requests through a pointer into
     46 	calls to the back end routines.
     47 
     48 	When a file is opened with <<bfd_openr>>, its format and
     49 	target are unknown. BFD uses various mechanisms to determine
     50 	how to interpret the file. The operations performed are:
     51 
     52 	o Create a BFD by calling the internal routine
     53 	<<_bfd_new_bfd>>, then call <<bfd_find_target>> with the
     54 	target string supplied to <<bfd_openr>> and the new BFD pointer.
     55 
     56 	o If a null target string was provided to <<bfd_find_target>>,
     57 	look up the environment variable <<GNUTARGET>> and use
     58 	that as the target string.
     59 
     60 	o If the target string is still <<NULL>>, or the target string is
     61 	<<default>>, then use the first item in the target vector
     62 	as the target type, and set <<target_defaulted>> in the BFD to
     63 	cause <<bfd_check_format>> to loop through all the targets.
     64 	@xref{bfd_target}.  @xref{Formats}.
     65 
     66 	o Otherwise, inspect the elements in the target vector
     67 	one by one, until a match on target name is found. When found,
     68 	use it.
     69 
     70 	o Otherwise return the error <<bfd_error_invalid_target>> to
     71 	<<bfd_openr>>.
     72 
     73 	o <<bfd_openr>> attempts to open the file using
     74 	<<bfd_open_file>>, and returns the BFD.
     75 
     76 	Once the BFD has been opened and the target selected, the file
     77 	format may be determined. This is done by calling
     78 	<<bfd_check_format>> on the BFD with a suggested format.
     79 	If <<target_defaulted>> has been set, each possible target
     80 	type is tried to see if it recognizes the specified format.
     81 	<<bfd_check_format>> returns <<TRUE>> when the caller guesses right.
     82 @menu
     83 @* bfd_target::
     84 @end menu
     85 */
     86 
     87 /*
     88 
     89 INODE
     90 	bfd_target,  , Targets, Targets
     91 DOCDD
     92 SUBSECTION
     93 	bfd_target
     94 
     95 DESCRIPTION
     96 	This structure contains everything that BFD knows about a
     97 	target. It includes things like its byte order, name, and which
     98 	routines to call to do various operations.
     99 
    100 	Every BFD points to a target structure with its <<xvec>>
    101 	member.
    102 
    103 	The macros below are used to dispatch to functions through the
    104 	<<bfd_target>> vector. They are used in a number of macros further
    105 	down in @file{bfd.h}, and are also used when calling various
    106 	routines by hand inside the BFD implementation.  The @var{arglist}
    107 	argument must be parenthesized; it contains all the arguments
    108 	to the called function.
    109 
    110 	They make the documentation (more) unpleasant to read, so if
    111 	someone wants to fix this and not break the above, please do.
    112 
    113 .#define BFD_SEND(bfd, message, arglist) \
    114 .  ((*((bfd)->xvec->message)) arglist)
    115 .
    116 .#ifdef DEBUG_BFD_SEND
    117 .#undef BFD_SEND
    118 .#define BFD_SEND(bfd, message, arglist) \
    119 .  (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
    120 .    ((*((bfd)->xvec->message)) arglist) : \
    121 .    (bfd_assert (__FILE__,__LINE__), NULL))
    122 .#endif
    123 
    124 	For operations which index on the BFD format:
    125 
    126 .#define BFD_SEND_FMT(bfd, message, arglist) \
    127 .  (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist)
    128 .
    129 .#ifdef DEBUG_BFD_SEND
    130 .#undef BFD_SEND_FMT
    131 .#define BFD_SEND_FMT(bfd, message, arglist) \
    132 .  (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
    133 .   (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) : \
    134 .   (bfd_assert (__FILE__,__LINE__), NULL))
    135 .#endif
    136 .
    137 .{* Defined to TRUE if unused section symbol should be kept.  *}
    138 .#ifndef TARGET_KEEP_UNUSED_SECTION_SYMBOLS
    139 .#define TARGET_KEEP_UNUSED_SECTION_SYMBOLS true
    140 .#endif
    141 .
    142 	This is the structure which defines the type of BFD this is.  The
    143 	<<xvec>> member of the struct <<bfd>> itself points here.  Each
    144 	module that implements access to a different target under BFD,
    145 	defines one of these.
    146 
    147 	FIXME, these names should be rationalised with the names of
    148 	the entry points which call them. Too bad we can't have one
    149 	macro to define them both!
    150 
    151 EXTERNAL
    152 .enum bfd_flavour
    153 .{
    154 .  {* N.B. Update bfd_flavour_name if you change this.  *}
    155 .  bfd_target_unknown_flavour,
    156 .  bfd_target_aout_flavour,
    157 .  bfd_target_coff_flavour,
    158 .  bfd_target_ecoff_flavour,
    159 .  bfd_target_xcoff_flavour,
    160 .  bfd_target_elf_flavour,
    161 .  bfd_target_tekhex_flavour,
    162 .  bfd_target_srec_flavour,
    163 .  bfd_target_verilog_flavour,
    164 .  bfd_target_ihex_flavour,
    165 .  bfd_target_som_flavour,
    166 .  bfd_target_msdos_flavour,
    167 .  bfd_target_evax_flavour,
    168 .  bfd_target_mmo_flavour,
    169 .  bfd_target_mach_o_flavour,
    170 .  bfd_target_pef_flavour,
    171 .  bfd_target_pef_xlib_flavour,
    172 .  bfd_target_sym_flavour
    173 .};
    174 .
    175 .enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN };
    176 .
    177 .{* Forward declarations.  *}
    178 .struct flag_info;
    179 .typedef void (*bfd_cleanup) (bfd *);
    180 .
    181 
    182 CODE_FRAGMENT
    183 .typedef struct bfd_target
    184 .{
    185 .  {* Identifies the kind of target, e.g., SunOS4, Ultrix, etc.  *}
    186 .  const char *name;
    187 .
    188 . {* The "flavour" of a back end is a general indication about
    189 .    the contents of a file.  *}
    190 .  enum bfd_flavour flavour;
    191 .
    192 .  {* The order of bytes within the data area of a file.  *}
    193 .  enum bfd_endian byteorder;
    194 .
    195 . {* The order of bytes within the header parts of a file.  *}
    196 .  enum bfd_endian header_byteorder;
    197 .
    198 .  {* A mask of all the flags which an executable may have set -
    199 .     from the set <<BFD_NO_FLAGS>>, <<HAS_RELOC>>, ...<<D_PAGED>>.  *}
    200 .  flagword object_flags;
    201 .
    202 . {* A mask of all the flags which a section may have set - from
    203 .    the set <<SEC_NO_FLAGS>>, <<SEC_ALLOC>>, ...<<SET_NEVER_LOAD>>.  *}
    204 .  flagword section_flags;
    205 .
    206 . {* The character normally found at the front of a symbol.
    207 .    (if any), perhaps `_'.  *}
    208 .  char symbol_leading_char;
    209 .
    210 . {* The pad character for file names within an archive header.  *}
    211 .  char ar_pad_char;
    212 .
    213 .  {* The maximum number of characters in an archive header.  *}
    214 .  unsigned char ar_max_namelen;
    215 .
    216 .  {* How well this target matches, used to select between various
    217 .     possible targets when more than one target matches.  *}
    218 .  unsigned char match_priority;
    219 .
    220 . {* TRUE if unused section symbols should be kept.  *}
    221 .  bool keep_unused_section_symbols;
    222 .
    223 .  {* Entries for byte swapping for data. These are different from the
    224 .     other entry points, since they don't take a BFD as the first argument.
    225 .     Certain other handlers could do the same.  *}
    226 .  uint64_t	  (*bfd_getx64) (const void *);
    227 .  int64_t	  (*bfd_getx_signed_64) (const void *);
    228 .  void		  (*bfd_putx64) (uint64_t, void *);
    229 .  bfd_vma	  (*bfd_getx32) (const void *);
    230 .  bfd_signed_vma (*bfd_getx_signed_32) (const void *);
    231 .  void		  (*bfd_putx32) (bfd_vma, void *);
    232 .  bfd_vma	  (*bfd_getx16) (const void *);
    233 .  bfd_signed_vma (*bfd_getx_signed_16) (const void *);
    234 .  void		  (*bfd_putx16) (bfd_vma, void *);
    235 .
    236 .  {* Byte swapping for the headers.  *}
    237 .  uint64_t	  (*bfd_h_getx64) (const void *);
    238 .  int64_t	  (*bfd_h_getx_signed_64) (const void *);
    239 .  void		  (*bfd_h_putx64) (uint64_t, void *);
    240 .  bfd_vma	  (*bfd_h_getx32) (const void *);
    241 .  bfd_signed_vma (*bfd_h_getx_signed_32) (const void *);
    242 .  void		  (*bfd_h_putx32) (bfd_vma, void *);
    243 .  bfd_vma	  (*bfd_h_getx16) (const void *);
    244 .  bfd_signed_vma (*bfd_h_getx_signed_16) (const void *);
    245 .  void		  (*bfd_h_putx16) (bfd_vma, void *);
    246 .
    247 .  {* Format dependent routines: these are vectors of entry points
    248 .     within the target vector structure, one for each format to check.  *}
    249 .
    250 .  {* Check the format of a file being read.  Return a <<bfd_cleanup>> on
    251 .     success or zero on failure.  *}
    252 .  bfd_cleanup (*_bfd_check_format[bfd_type_end]) (bfd *);
    253 .
    254 .  {* Set the format of a file being written.  *}
    255 .  bool (*_bfd_set_format[bfd_type_end]) (bfd *);
    256 .
    257 .  {* Write cached information into a file being written, at <<bfd_close>>.  *}
    258 .  bool (*_bfd_write_contents[bfd_type_end]) (bfd *);
    259 .
    260 
    261 The general target vector.  These vectors are initialized using the
    262 BFD_JUMP_TABLE macros.
    263 
    264 .  {* Generic entry points.  *}
    265 .#define BFD_JUMP_TABLE_GENERIC(NAME) \
    266 .  NAME##_close_and_cleanup, \
    267 .  NAME##_bfd_free_cached_info, \
    268 .  NAME##_new_section_hook, \
    269 .  NAME##_get_section_contents, \
    270 .  NAME##_get_section_contents_in_window
    271 .
    272 .  {* Called when the BFD is being closed to do any necessary cleanup.  *}
    273 .  bool (*_close_and_cleanup) (bfd *);
    274 .  {* Ask the BFD to free all cached information.  *}
    275 .  bool (*_bfd_free_cached_info) (bfd *);
    276 .  {* Called when a new section is created.  *}
    277 .  bool (*_new_section_hook) (bfd *, sec_ptr);
    278 .  {* Read the contents of a section.  *}
    279 .  bool (*_bfd_get_section_contents) (bfd *, sec_ptr, void *, file_ptr,
    280 .				      bfd_size_type);
    281 .  bool (*_bfd_get_section_contents_in_window) (bfd *, sec_ptr, bfd_window *,
    282 .						file_ptr, bfd_size_type);
    283 .
    284 .  {* Entry points to copy private data.  *}
    285 .#define BFD_JUMP_TABLE_COPY(NAME) \
    286 .  NAME##_bfd_copy_private_bfd_data, \
    287 .  NAME##_bfd_merge_private_bfd_data, \
    288 .  _bfd_generic_init_private_section_data, \
    289 .  NAME##_bfd_copy_private_section_data, \
    290 .  NAME##_bfd_copy_private_symbol_data, \
    291 .  NAME##_bfd_copy_private_header_data, \
    292 .  NAME##_bfd_set_private_flags, \
    293 .  NAME##_bfd_print_private_bfd_data
    294 .
    295 .  {* Called to copy BFD general private data from one object file
    296 .     to another.  *}
    297 .  bool (*_bfd_copy_private_bfd_data) (bfd *, bfd *);
    298 .  {* Called to merge BFD general private data from one object file
    299 .     to a common output file when linking.  *}
    300 .  bool (*_bfd_merge_private_bfd_data) (bfd *, struct bfd_link_info *);
    301 .  {* Called to initialize BFD private section data from one object file
    302 .     to another.  *}
    303 .#define bfd_init_private_section_data(ibfd, isec, obfd, osec, link_info) \
    304 .	BFD_SEND (obfd, _bfd_init_private_section_data, \
    305 .		  (ibfd, isec, obfd, osec, link_info))
    306 .  bool (*_bfd_init_private_section_data) (bfd *, sec_ptr, bfd *, sec_ptr,
    307 .					   struct bfd_link_info *);
    308 .  {* Called to copy BFD private section data from one object file
    309 .     to another.  *}
    310 .  bool (*_bfd_copy_private_section_data) (bfd *, sec_ptr, bfd *, sec_ptr);
    311 .  {* Called to copy BFD private symbol data from one symbol
    312 .     to another.  *}
    313 .  bool (*_bfd_copy_private_symbol_data) (bfd *, asymbol *,
    314 .					  bfd *, asymbol *);
    315 .  {* Called to copy BFD private header data from one object file
    316 .     to another.  *}
    317 .  bool (*_bfd_copy_private_header_data) (bfd *, bfd *);
    318 .  {* Called to set private backend flags.  *}
    319 .  bool (*_bfd_set_private_flags) (bfd *, flagword);
    320 .
    321 .  {* Called to print private BFD data.  *}
    322 .  bool (*_bfd_print_private_bfd_data) (bfd *, void *);
    323 .
    324 .  {* Core file entry points.  *}
    325 .#define BFD_JUMP_TABLE_CORE(NAME) \
    326 .  NAME##_core_file_failing_command, \
    327 .  NAME##_core_file_failing_signal, \
    328 .  NAME##_core_file_matches_executable_p, \
    329 .  NAME##_core_file_pid
    330 .
    331 .  char *(*_core_file_failing_command) (bfd *);
    332 .  int   (*_core_file_failing_signal) (bfd *);
    333 .  bool  (*_core_file_matches_executable_p) (bfd *, bfd *);
    334 .  int   (*_core_file_pid) (bfd *);
    335 .
    336 .  {* Archive entry points.  *}
    337 .#define BFD_JUMP_TABLE_ARCHIVE(NAME) \
    338 .  NAME##_slurp_armap, \
    339 .  NAME##_slurp_extended_name_table, \
    340 .  NAME##_construct_extended_name_table, \
    341 .  NAME##_truncate_arname, \
    342 .  NAME##_write_armap, \
    343 .  NAME##_read_ar_hdr, \
    344 .  NAME##_write_ar_hdr, \
    345 .  NAME##_openr_next_archived_file, \
    346 .  NAME##_get_elt_at_index, \
    347 .  NAME##_generic_stat_arch_elt, \
    348 .  NAME##_update_armap_timestamp
    349 .
    350 .  bool (*_bfd_slurp_armap) (bfd *);
    351 .  bool (*_bfd_slurp_extended_name_table) (bfd *);
    352 .  bool (*_bfd_construct_extended_name_table) (bfd *, char **,
    353 .					       bfd_size_type *,
    354 .					       const char **);
    355 .  void (*_bfd_truncate_arname) (bfd *, const char *, char *);
    356 .  bool (*write_armap) (bfd *, unsigned, struct orl *, unsigned, int);
    357 .  void *(*_bfd_read_ar_hdr_fn) (bfd *);
    358 .  bool (*_bfd_write_ar_hdr_fn) (bfd *, bfd *);
    359 .  bfd *(*openr_next_archived_file) (bfd *, bfd *);
    360 .#define bfd_get_elt_at_index(b,i) \
    361 .	BFD_SEND (b, _bfd_get_elt_at_index, (b,i))
    362 .  bfd *(*_bfd_get_elt_at_index) (bfd *, symindex);
    363 .  int  (*_bfd_stat_arch_elt) (bfd *, struct stat *);
    364 .  bool (*_bfd_update_armap_timestamp) (bfd *);
    365 .
    366 .  {* Entry points used for symbols.  *}
    367 .#define BFD_JUMP_TABLE_SYMBOLS(NAME) \
    368 .  NAME##_get_symtab_upper_bound, \
    369 .  NAME##_canonicalize_symtab, \
    370 .  NAME##_make_empty_symbol, \
    371 .  NAME##_print_symbol, \
    372 .  NAME##_get_symbol_info, \
    373 .  NAME##_get_symbol_version_string, \
    374 .  NAME##_bfd_is_local_label_name, \
    375 .  NAME##_bfd_is_target_special_symbol, \
    376 .  NAME##_get_lineno, \
    377 .  NAME##_find_nearest_line, \
    378 .  NAME##_find_nearest_line_with_alt, \
    379 .  NAME##_find_line, \
    380 .  NAME##_find_inliner_info, \
    381 .  NAME##_bfd_make_debug_symbol, \
    382 .  NAME##_read_minisymbols, \
    383 .  NAME##_minisymbol_to_symbol
    384 .
    385 .  long	(*_bfd_get_symtab_upper_bound) (bfd *);
    386 .  long	(*_bfd_canonicalize_symtab) (bfd *, struct bfd_symbol **);
    387 .  struct bfd_symbol *
    388 .	(*_bfd_make_empty_symbol) (bfd *);
    389 .  void	(*_bfd_print_symbol) (bfd *, void *, struct bfd_symbol *,
    390 .			      bfd_print_symbol_type);
    391 .#define bfd_print_symbol(b,p,s,e) \
    392 .	BFD_SEND (b, _bfd_print_symbol, (b,p,s,e))
    393 .  void	 (*_bfd_get_symbol_info) (bfd *, struct bfd_symbol *, symbol_info *);
    394 .#define bfd_get_symbol_info(b,p,e) \
    395 .	BFD_SEND (b, _bfd_get_symbol_info, (b,p,e))
    396 .  const char *
    397 .	(*_bfd_get_symbol_version_string) (bfd *, struct bfd_symbol *,
    398 .					   bool, bool *);
    399 .#define bfd_get_symbol_version_string(b,s,p,h) \
    400 .	BFD_SEND (b, _bfd_get_symbol_version_string, (b,s,p,h))
    401 .  bool (*_bfd_is_local_label_name) (bfd *, const char *);
    402 .  bool (*_bfd_is_target_special_symbol) (bfd *, asymbol *);
    403 .  alent *
    404 .	(*_get_lineno) (bfd *, struct bfd_symbol *);
    405 .  bool (*_bfd_find_nearest_line) (bfd *, struct bfd_symbol **,
    406 .				   struct bfd_section *, bfd_vma,
    407 .				   const char **, const char **,
    408 .				   unsigned int *, unsigned int *);
    409 .  bool (*_bfd_find_nearest_line_with_alt) (bfd *, const char *,
    410 .					    struct bfd_symbol **,
    411 .					    struct bfd_section *, bfd_vma,
    412 .					    const char **, const char **,
    413 .					    unsigned int *, unsigned int *);
    414 .  bool (*_bfd_find_line) (bfd *, struct bfd_symbol **,
    415 .			   struct bfd_symbol *, const char **,
    416 .			   unsigned int *);
    417 .  bool (*_bfd_find_inliner_info)
    418 .    (bfd *, const char **, const char **, unsigned int *);
    419 . {* Back-door to allow format-aware applications to create debug symbols
    420 .    while using BFD for everything else.  Currently used by the assembler
    421 .    when creating COFF files.  *}
    422 .  asymbol *
    423 .	(*_bfd_make_debug_symbol) (bfd *);
    424 .#define bfd_read_minisymbols(b, d, m, s) \
    425 .	BFD_SEND (b, _read_minisymbols, (b, d, m, s))
    426 .  long	(*_read_minisymbols) (bfd *, bool, void **, unsigned int *);
    427 .#define bfd_minisymbol_to_symbol(b, d, m, f) \
    428 .	BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f))
    429 .  asymbol *
    430 .       (*_minisymbol_to_symbol) (bfd *, bool, const void *, asymbol *);
    431 .
    432 .  {* Routines for relocs.  *}
    433 .#define BFD_JUMP_TABLE_RELOCS(NAME) \
    434 .  NAME##_get_reloc_upper_bound, \
    435 .  NAME##_canonicalize_reloc, \
    436 .  NAME##_set_reloc, \
    437 .  NAME##_bfd_reloc_type_lookup, \
    438 .  NAME##_bfd_reloc_name_lookup
    439 .
    440 .  long	(*_get_reloc_upper_bound) (bfd *, sec_ptr);
    441 .  long	(*_bfd_canonicalize_reloc) (bfd *, sec_ptr, arelent **,
    442 .				    struct bfd_symbol **);
    443 .  void	(*_bfd_set_reloc) (bfd *, sec_ptr, arelent **, unsigned int);
    444 .  {* See documentation on reloc types.  *}
    445 .  reloc_howto_type *
    446 .	(*reloc_type_lookup) (bfd *, bfd_reloc_code_real_type);
    447 .  reloc_howto_type *
    448 .	(*reloc_name_lookup) (bfd *, const char *);
    449 .
    450 .  {* Routines used when writing an object file.  *}
    451 .#define BFD_JUMP_TABLE_WRITE(NAME) \
    452 .  NAME##_set_arch_mach, \
    453 .  NAME##_set_section_contents
    454 .
    455 .  bool (*_bfd_set_arch_mach) (bfd *, enum bfd_architecture,
    456 .				      unsigned long);
    457 .  bool (*_bfd_set_section_contents) (bfd *, sec_ptr, const void *,
    458 .				      file_ptr, bfd_size_type);
    459 .
    460 .  {* Routines used by the linker.  *}
    461 .#define BFD_JUMP_TABLE_LINK(NAME) \
    462 .  NAME##_sizeof_headers, \
    463 .  NAME##_bfd_get_relocated_section_contents, \
    464 .  NAME##_bfd_relax_section, \
    465 .  NAME##_bfd_link_hash_table_create, \
    466 .  NAME##_bfd_link_add_symbols, \
    467 .  NAME##_bfd_link_just_syms, \
    468 .  NAME##_bfd_copy_link_hash_symbol_type, \
    469 .  NAME##_bfd_final_link, \
    470 .  NAME##_bfd_link_split_section, \
    471 .  NAME##_bfd_link_check_relocs, \
    472 .  NAME##_bfd_gc_sections, \
    473 .  NAME##_bfd_lookup_section_flags, \
    474 .  NAME##_bfd_merge_sections, \
    475 .  NAME##_bfd_is_group_section, \
    476 .  NAME##_bfd_group_name, \
    477 .  NAME##_bfd_discard_group, \
    478 .  NAME##_section_already_linked, \
    479 .  NAME##_bfd_define_common_symbol, \
    480 .  NAME##_bfd_link_hide_symbol, \
    481 .  NAME##_bfd_define_start_stop
    482 .
    483 .  int	(*_bfd_sizeof_headers) (bfd *, struct bfd_link_info *);
    484 .  bfd_byte *
    485 .	(*_bfd_get_relocated_section_contents) (bfd *,
    486 .					        struct bfd_link_info *,
    487 .					        struct bfd_link_order *,
    488 .					        bfd_byte *, bool,
    489 .					        struct bfd_symbol **);
    490 .
    491 .  bool (*_bfd_relax_section) (bfd *, struct bfd_section *,
    492 .			       struct bfd_link_info *, bool *);
    493 .
    494 .  {* Create a hash table for the linker.  Different backends store
    495 .     different information in this table.  *}
    496 .  struct bfd_link_hash_table *
    497 .	(*_bfd_link_hash_table_create) (bfd *);
    498 .
    499 .  {* Add symbols from this object file into the hash table.  *}
    500 .  bool (*_bfd_link_add_symbols) (bfd *, struct bfd_link_info *);
    501 .
    502 .  {* Indicate that we are only retrieving symbol values from this section.  *}
    503 .  void (*_bfd_link_just_syms) (asection *, struct bfd_link_info *);
    504 .
    505 .  {* Copy the symbol type and other attributes for a linker script
    506 .     assignment of one symbol to another.  *}
    507 .#define bfd_copy_link_hash_symbol_type(b, t, f) \
    508 .	BFD_SEND (b, _bfd_copy_link_hash_symbol_type, (b, t, f))
    509 .  void (*_bfd_copy_link_hash_symbol_type) (bfd *,
    510 .					    struct bfd_link_hash_entry *,
    511 .					    struct bfd_link_hash_entry *);
    512 .
    513 .  {* Do a link based on the link_order structures attached to each
    514 .     section of the BFD.  *}
    515 .  bool (*_bfd_final_link) (bfd *, struct bfd_link_info *);
    516 .
    517 .  {* Should this section be split up into smaller pieces during linking.  *}
    518 .  bool (*_bfd_link_split_section) (bfd *, struct bfd_section *);
    519 .
    520 .  {* Check the relocations in the bfd for validity.  *}
    521 .  bool (* _bfd_link_check_relocs)(bfd *, struct bfd_link_info *);
    522 .
    523 .  {* Remove sections that are not referenced from the output.  *}
    524 .  bool (*_bfd_gc_sections) (bfd *, struct bfd_link_info *);
    525 .
    526 .  {* Sets the bitmask of allowed and disallowed section flags.  *}
    527 .  bool (*_bfd_lookup_section_flags) (struct bfd_link_info *,
    528 .				      struct flag_info *, asection *);
    529 .
    530 .  {* Attempt to merge SEC_MERGE sections.  *}
    531 .  bool (*_bfd_merge_sections) (bfd *, struct bfd_link_info *);
    532 .
    533 .  {* Is this section a member of a group?  *}
    534 .  bool (*_bfd_is_group_section) (bfd *, const struct bfd_section *);
    535 .
    536 .  {* The group name, if section is a member of a group.  *}
    537 .  const char *(*_bfd_group_name) (bfd *, const struct bfd_section *);
    538 .
    539 .  {* Discard members of a group.  *}
    540 .  bool (*_bfd_discard_group) (bfd *, struct bfd_section *);
    541 .
    542 .  {* Check if SEC has been already linked during a reloceatable or
    543 .     final link.  *}
    544 .  bool (*_section_already_linked) (bfd *, asection *,
    545 .				    struct bfd_link_info *);
    546 .
    547 .  {* Define a common symbol.  *}
    548 .  bool (*_bfd_define_common_symbol) (bfd *, struct bfd_link_info *,
    549 .				      struct bfd_link_hash_entry *);
    550 .
    551 .  {* Hide a symbol.  *}
    552 .  void (*_bfd_link_hide_symbol) (bfd *, struct bfd_link_info *,
    553 .				  struct bfd_link_hash_entry *);
    554 .
    555 .  {* Define a __start, __stop, .startof. or .sizeof. symbol.  *}
    556 .  struct bfd_link_hash_entry *
    557 .	(*_bfd_define_start_stop) (struct bfd_link_info *, const char *,
    558 .				   asection *);
    559 .
    560 .  {* Routines to handle dynamic symbols and relocs.  *}
    561 .#define BFD_JUMP_TABLE_DYNAMIC(NAME) \
    562 .  NAME##_get_dynamic_symtab_upper_bound, \
    563 .  NAME##_canonicalize_dynamic_symtab, \
    564 .  NAME##_get_synthetic_symtab, \
    565 .  NAME##_get_dynamic_reloc_upper_bound, \
    566 .  NAME##_canonicalize_dynamic_reloc
    567 .
    568 .  {* Get the amount of memory required to hold the dynamic symbols.  *}
    569 .  long (*_bfd_get_dynamic_symtab_upper_bound) (bfd *);
    570 .  {* Read in the dynamic symbols.  *}
    571 .  long (*_bfd_canonicalize_dynamic_symtab) (bfd *, struct bfd_symbol **);
    572 .  {* Create synthetized symbols.  *}
    573 .  long (*_bfd_get_synthetic_symtab) (bfd *, long, struct bfd_symbol **,
    574 .				      long, struct bfd_symbol **,
    575 .				      struct bfd_symbol **);
    576 .  {* Get the amount of memory required to hold the dynamic relocs.  *}
    577 .  long (*_bfd_get_dynamic_reloc_upper_bound) (bfd *);
    578 .  {* Read in the dynamic relocs.  *}
    579 .  long (*_bfd_canonicalize_dynamic_reloc) (bfd *, arelent **,
    580 .					    struct bfd_symbol **);
    581 .
    582 
    583 A pointer to an alternative bfd_target in case the current one is not
    584 satisfactory.  This can happen when the target cpu supports both big
    585 and little endian code, and target chosen by the linker has the wrong
    586 endianness.  The function open_output() in ld/ldlang.c uses this field
    587 to find an alternative output format that is suitable.
    588 
    589 .  {* Opposite endian version of this target.  *}
    590 .  const struct bfd_target *alternative_target;
    591 .
    592 
    593 .  {* Data for use by back-end routines, which isn't
    594 .     generic enough to belong in this structure.  *}
    595 .  const void *backend_data;
    596 .
    597 .} bfd_target;
    598 .
    599 .static inline const char *
    600 .bfd_get_target (const bfd *abfd)
    601 .{
    602 .  return abfd->xvec->name;
    603 .}
    604 .
    605 .static inline enum bfd_flavour
    606 .bfd_get_flavour (const bfd *abfd)
    607 .{
    608 .  return abfd->xvec->flavour;
    609 .}
    610 .
    611 .static inline flagword
    612 .bfd_applicable_file_flags (const bfd *abfd)
    613 .{
    614 .  return abfd->xvec->object_flags;
    615 .}
    616 .
    617 .static inline bool
    618 .bfd_family_coff (const bfd *abfd)
    619 .{
    620 .  return (bfd_get_flavour (abfd) == bfd_target_coff_flavour
    621 .          || bfd_get_flavour (abfd) == bfd_target_xcoff_flavour);
    622 .}
    623 .
    624 .static inline bool
    625 .bfd_big_endian (const bfd *abfd)
    626 .{
    627 .  return abfd->xvec->byteorder == BFD_ENDIAN_BIG;
    628 .}
    629 .static inline bool
    630 .bfd_little_endian (const bfd *abfd)
    631 .{
    632 .  return abfd->xvec->byteorder == BFD_ENDIAN_LITTLE;
    633 .}
    634 .
    635 .static inline bool
    636 .bfd_header_big_endian (const bfd *abfd)
    637 .{
    638 .  return abfd->xvec->header_byteorder == BFD_ENDIAN_BIG;
    639 .}
    640 .
    641 .static inline bool
    642 .bfd_header_little_endian (const bfd *abfd)
    643 .{
    644 .  return abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE;
    645 .}
    646 .
    647 .static inline flagword
    648 .bfd_applicable_section_flags (const bfd *abfd)
    649 .{
    650 .  return abfd->xvec->section_flags;
    651 .}
    652 .
    653 .static inline char
    654 .bfd_get_symbol_leading_char (const bfd *abfd)
    655 .{
    656 .  return abfd->xvec->symbol_leading_char;
    657 .}
    658 .
    659 .static inline enum bfd_flavour
    660 .bfd_asymbol_flavour (const asymbol *sy)
    661 .{
    662 .  if ((sy->flags & BSF_SYNTHETIC) != 0)
    663 .    return bfd_target_unknown_flavour;
    664 .  return sy->the_bfd->xvec->flavour;
    665 .}
    666 .
    667 .static inline bool
    668 .bfd_keep_unused_section_symbols (const bfd *abfd)
    669 .{
    670 .  return abfd->xvec->keep_unused_section_symbols;
    671 .}
    672 .
    673 */
    674 
    675 /* All known xvecs (even those that don't compile on all systems).
    676    Alphabetized for easy reference.
    677    They are listed a second time below, since
    678    we can't intermix extern's and initializers.  */
    679 extern const bfd_target aarch64_elf32_be_vec;
    680 extern const bfd_target aarch64_elf32_le_vec;
    681 extern const bfd_target aarch64_elf64_be_vec;
    682 extern const bfd_target aarch64_elf64_be_cloudabi_vec;
    683 extern const bfd_target aarch64_elf64_le_vec;
    684 extern const bfd_target aarch64_elf64_le_cloudabi_vec;
    685 extern const bfd_target aarch64_mach_o_vec;
    686 extern const bfd_target aarch64_pei_le_vec;
    687 extern const bfd_target aarch64_pe_le_vec;
    688 extern const bfd_target alpha_ecoff_le_vec;
    689 extern const bfd_target alpha_elf64_vec;
    690 extern const bfd_target alpha_elf64_fbsd_vec;
    691 extern const bfd_target alpha_vms_vec;
    692 extern const bfd_target alpha_vms_lib_txt_vec;
    693 extern const bfd_target am33_elf32_linux_vec;
    694 extern const bfd_target amdgcn_elf64_le_vec;
    695 extern const bfd_target aout_vec;
    696 extern const bfd_target arc_elf32_be_vec;
    697 extern const bfd_target arc_elf32_le_vec;
    698 extern const bfd_target arm_elf32_be_vec;
    699 extern const bfd_target arm_elf32_le_vec;
    700 extern const bfd_target arm_elf32_fdpic_be_vec;
    701 extern const bfd_target arm_elf32_fdpic_le_vec;
    702 extern const bfd_target arm_elf32_nacl_be_vec;
    703 extern const bfd_target arm_elf32_nacl_le_vec;
    704 extern const bfd_target arm_elf32_vxworks_be_vec;
    705 extern const bfd_target arm_elf32_vxworks_le_vec;
    706 extern const bfd_target arm_mach_o_vec;
    707 extern const bfd_target arm_pe_be_vec;
    708 extern const bfd_target arm_pe_le_vec;
    709 extern const bfd_target arm_pe_wince_be_vec;
    710 extern const bfd_target arm_pe_wince_le_vec;
    711 extern const bfd_target arm_pei_be_vec;
    712 extern const bfd_target arm_pei_le_vec;
    713 extern const bfd_target arm_pei_wince_be_vec;
    714 extern const bfd_target arm_pei_wince_le_vec;
    715 extern const bfd_target avr_elf32_vec;
    716 extern const bfd_target bfin_elf32_vec;
    717 extern const bfd_target bfin_elf32_fdpic_vec;
    718 extern const bfd_target cr16_elf32_vec;
    719 extern const bfd_target cris_aout_vec;
    720 extern const bfd_target cris_elf32_vec;
    721 extern const bfd_target cris_elf32_us_vec;
    722 extern const bfd_target crx_elf32_vec;
    723 extern const bfd_target csky_elf32_be_vec;
    724 extern const bfd_target csky_elf32_le_vec;
    725 extern const bfd_target d10v_elf32_vec;
    726 extern const bfd_target d30v_elf32_vec;
    727 extern const bfd_target dlx_elf32_be_vec;
    728 extern const bfd_target elf32_be_vec;
    729 extern const bfd_target elf32_le_vec;
    730 extern const bfd_target elf64_be_vec;
    731 extern const bfd_target elf64_le_vec;
    732 extern const bfd_target bpf_elf64_le_vec;
    733 extern const bfd_target bpf_elf64_be_vec;
    734 extern const bfd_target epiphany_elf32_vec;
    735 extern const bfd_target fr30_elf32_vec;
    736 extern const bfd_target frv_elf32_vec;
    737 extern const bfd_target frv_elf32_fdpic_vec;
    738 extern const bfd_target h8300_elf32_vec;
    739 extern const bfd_target h8300_elf32_linux_vec;
    740 extern const bfd_target hppa_elf32_vec;
    741 extern const bfd_target hppa_elf32_linux_vec;
    742 extern const bfd_target hppa_elf32_nbsd_vec;
    743 extern const bfd_target hppa_elf64_vec;
    744 extern const bfd_target hppa_elf64_linux_vec;
    745 extern const bfd_target hppa_som_vec;
    746 extern const bfd_target i386_aout_vec;
    747 extern const bfd_target i386_aout_bsd_vec;
    748 extern const bfd_target i386_aout_lynx_vec;
    749 extern const bfd_target i386_aout_nbsd_vec;
    750 extern const bfd_target i386_coff_vec;
    751 extern const bfd_target i386_coff_go32_vec;
    752 extern const bfd_target i386_coff_go32stubbed_vec;
    753 extern const bfd_target i386_coff_lynx_vec;
    754 extern const bfd_target i386_elf32_vec;
    755 extern const bfd_target i386_elf32_fbsd_vec;
    756 extern const bfd_target i386_elf32_sol2_vec;
    757 extern const bfd_target i386_elf32_vxworks_vec;
    758 extern const bfd_target i386_mach_o_vec;
    759 extern const bfd_target i386_msdos_vec;
    760 extern const bfd_target i386_pe_vec;
    761 extern const bfd_target i386_pe_big_vec;
    762 extern const bfd_target i386_pei_vec;
    763 extern const bfd_target iamcu_elf32_vec;
    764 extern const bfd_target ia64_elf32_be_vec;
    765 extern const bfd_target ia64_elf32_hpux_be_vec;
    766 extern const bfd_target ia64_elf64_be_vec;
    767 extern const bfd_target ia64_elf64_le_vec;
    768 extern const bfd_target ia64_elf64_hpux_be_vec;
    769 extern const bfd_target ia64_elf64_vms_vec;
    770 extern const bfd_target ia64_pei_vec;
    771 extern const bfd_target ip2k_elf32_vec;
    772 extern const bfd_target iq2000_elf32_vec;
    773 extern const bfd_target kvx_elf32_vec;
    774 extern const bfd_target kvx_elf64_vec;
    775 extern const bfd_target lm32_elf32_vec;
    776 extern const bfd_target lm32_elf32_fdpic_vec;
    777 extern const bfd_target loongarch_elf64_vec;
    778 extern const bfd_target loongarch_elf32_vec;
    779 extern const bfd_target loongarch64_pei_vec;
    780 extern const bfd_target m32c_elf32_vec;
    781 extern const bfd_target m32r_elf32_vec;
    782 extern const bfd_target m32r_elf32_le_vec;
    783 extern const bfd_target m32r_elf32_linux_vec;
    784 extern const bfd_target m32r_elf32_linux_le_vec;
    785 extern const bfd_target m68hc11_elf32_vec;
    786 extern const bfd_target m68hc12_elf32_vec;
    787 extern const bfd_target m68k_elf32_vec;
    788 extern const bfd_target s12z_elf32_vec;
    789 extern const bfd_target mach_o_be_vec;
    790 extern const bfd_target mach_o_le_vec;
    791 extern const bfd_target mach_o_fat_vec;
    792 extern const bfd_target mcore_elf32_be_vec;
    793 extern const bfd_target mcore_elf32_le_vec;
    794 extern const bfd_target mcore_pe_be_vec;
    795 extern const bfd_target mcore_pe_le_vec;
    796 extern const bfd_target mcore_pei_be_vec;
    797 extern const bfd_target mcore_pei_le_vec;
    798 extern const bfd_target mep_elf32_vec;
    799 extern const bfd_target mep_elf32_le_vec;
    800 extern const bfd_target metag_elf32_vec;
    801 extern const bfd_target microblaze_elf32_vec;
    802 extern const bfd_target microblaze_elf32_le_vec;
    803 extern const bfd_target mips_ecoff_be_vec;
    804 extern const bfd_target mips_ecoff_le_vec;
    805 extern const bfd_target mips_ecoff_bele_vec;
    806 extern const bfd_target mips_elf32_be_vec;
    807 extern const bfd_target mips_elf32_le_vec;
    808 extern const bfd_target mips_elf32_n_be_vec;
    809 extern const bfd_target mips_elf32_n_le_vec;
    810 extern const bfd_target mips_elf32_ntrad_be_vec;
    811 extern const bfd_target mips_elf32_ntrad_le_vec;
    812 extern const bfd_target mips_elf32_ntradfbsd_be_vec;
    813 extern const bfd_target mips_elf32_ntradfbsd_le_vec;
    814 extern const bfd_target mips_elf32_trad_be_vec;
    815 extern const bfd_target mips_elf32_trad_le_vec;
    816 extern const bfd_target mips_elf32_tradfbsd_be_vec;
    817 extern const bfd_target mips_elf32_tradfbsd_le_vec;
    818 extern const bfd_target mips_elf32_vxworks_be_vec;
    819 extern const bfd_target mips_elf32_vxworks_le_vec;
    820 extern const bfd_target mips_elf64_be_vec;
    821 extern const bfd_target mips_elf64_le_vec;
    822 extern const bfd_target mips_elf64_trad_be_vec;
    823 extern const bfd_target mips_elf64_trad_le_vec;
    824 extern const bfd_target mips_elf64_tradfbsd_be_vec;
    825 extern const bfd_target mips_elf64_tradfbsd_le_vec;
    826 extern const bfd_target mmix_elf64_vec;
    827 extern const bfd_target mmix_mmo_vec;
    828 extern const bfd_target mn10200_elf32_vec;
    829 extern const bfd_target mn10300_elf32_vec;
    830 extern const bfd_target moxie_elf32_be_vec;
    831 extern const bfd_target moxie_elf32_le_vec;
    832 extern const bfd_target msp430_elf32_vec;
    833 extern const bfd_target msp430_elf32_ti_vec;
    834 extern const bfd_target mt_elf32_vec;
    835 extern const bfd_target nds32_elf32_be_vec;
    836 extern const bfd_target nds32_elf32_le_vec;
    837 extern const bfd_target nds32_elf32_linux_be_vec;
    838 extern const bfd_target nds32_elf32_linux_le_vec;
    839 extern const bfd_target nfp_elf64_vec;
    840 extern const bfd_target nios2_elf32_be_vec;
    841 extern const bfd_target nios2_elf32_le_vec;
    842 extern const bfd_target ns32k_aout_pc532mach_vec;
    843 extern const bfd_target ns32k_aout_pc532nbsd_vec;
    844 extern const bfd_target or1k_elf32_vec;
    845 extern const bfd_target pdb_vec;
    846 extern const bfd_target pdp11_aout_vec;
    847 extern const bfd_target pef_vec;
    848 extern const bfd_target pef_xlib_vec;
    849 extern const bfd_target pj_elf32_vec;
    850 extern const bfd_target pj_elf32_le_vec;
    851 extern const bfd_target plugin_vec;
    852 extern const bfd_target powerpc_boot_vec;
    853 extern const bfd_target powerpc_elf32_vec;
    854 extern const bfd_target powerpc_elf32_le_vec;
    855 extern const bfd_target powerpc_elf32_fbsd_vec;
    856 extern const bfd_target powerpc_elf32_vxworks_vec;
    857 extern const bfd_target powerpc_elf64_vec;
    858 extern const bfd_target powerpc_elf64_le_vec;
    859 extern const bfd_target powerpc_elf64_fbsd_vec;
    860 extern const bfd_target powerpc_elf64_fbsd_le_vec;
    861 extern const bfd_target powerpc_xcoff_vec;
    862 extern const bfd_target pru_elf32_vec;
    863 extern const bfd_target riscv_elf32_vec;
    864 extern const bfd_target riscv_elf64_vec;
    865 extern const bfd_target riscv_elf32_be_vec;
    866 extern const bfd_target riscv_elf64_be_vec;
    867 extern const bfd_target riscv64_pei_vec;
    868 extern const bfd_target rl78_elf32_vec;
    869 extern const bfd_target rs6000_xcoff64_vec;
    870 extern const bfd_target rs6000_xcoff64_aix_vec;
    871 extern const bfd_target rs6000_xcoff_vec;
    872 extern const bfd_target rx_elf32_be_vec;
    873 extern const bfd_target rx_elf32_be_ns_vec;
    874 extern const bfd_target rx_elf32_le_vec;
    875 extern const bfd_target rx_elf32_linux_le_vec;
    876 extern const bfd_target s390_elf32_vec;
    877 extern const bfd_target s390_elf64_vec;
    878 extern const bfd_target score_elf32_be_vec;
    879 extern const bfd_target score_elf32_le_vec;
    880 extern const bfd_target sh_coff_vec;
    881 extern const bfd_target sh_coff_le_vec;
    882 extern const bfd_target sh_coff_small_vec;
    883 extern const bfd_target sh_coff_small_le_vec;
    884 extern const bfd_target sh_elf32_vec;
    885 extern const bfd_target sh_elf32_le_vec;
    886 extern const bfd_target sh_elf32_fdpic_be_vec;
    887 extern const bfd_target sh_elf32_fdpic_le_vec;
    888 extern const bfd_target sh_elf32_linux_vec;
    889 extern const bfd_target sh_elf32_linux_be_vec;
    890 extern const bfd_target sh_elf32_nbsd_vec;
    891 extern const bfd_target sh_elf32_nbsd_le_vec;
    892 extern const bfd_target sh_elf32_vxworks_vec;
    893 extern const bfd_target sh_elf32_vxworks_le_vec;
    894 extern const bfd_target sh_pe_le_vec;
    895 extern const bfd_target sh_pei_le_vec;
    896 extern const bfd_target sparc_elf32_vec;
    897 extern const bfd_target sparc_elf32_sol2_vec;
    898 extern const bfd_target sparc_elf32_vxworks_vec;
    899 extern const bfd_target sparc_elf64_vec;
    900 extern const bfd_target sparc_elf64_fbsd_vec;
    901 extern const bfd_target sparc_elf64_sol2_vec;
    902 extern const bfd_target spu_elf32_vec;
    903 extern const bfd_target sym_vec;
    904 extern const bfd_target tic30_coff_vec;
    905 extern const bfd_target tic4x_coff0_vec;
    906 extern const bfd_target tic4x_coff0_beh_vec;
    907 extern const bfd_target tic4x_coff1_vec;
    908 extern const bfd_target tic4x_coff1_beh_vec;
    909 extern const bfd_target tic4x_coff2_vec;
    910 extern const bfd_target tic4x_coff2_beh_vec;
    911 extern const bfd_target tic54x_coff0_vec;
    912 extern const bfd_target tic54x_coff0_beh_vec;
    913 extern const bfd_target tic54x_coff1_vec;
    914 extern const bfd_target tic54x_coff1_beh_vec;
    915 extern const bfd_target tic54x_coff2_vec;
    916 extern const bfd_target tic54x_coff2_beh_vec;
    917 extern const bfd_target tic6x_elf32_be_vec;
    918 extern const bfd_target tic6x_elf32_le_vec;
    919 extern const bfd_target tic6x_elf32_c6000_be_vec;
    920 extern const bfd_target tic6x_elf32_c6000_le_vec;
    921 extern const bfd_target tic6x_elf32_linux_be_vec;
    922 extern const bfd_target tic6x_elf32_linux_le_vec;
    923 extern const bfd_target tilegx_elf32_be_vec;
    924 extern const bfd_target tilegx_elf32_le_vec;
    925 extern const bfd_target tilegx_elf64_be_vec;
    926 extern const bfd_target tilegx_elf64_le_vec;
    927 extern const bfd_target tilepro_elf32_vec;
    928 extern const bfd_target v800_elf32_vec;
    929 extern const bfd_target v850_elf32_vec;
    930 extern const bfd_target ft32_elf32_vec;
    931 extern const bfd_target vax_aout_1knbsd_vec;
    932 extern const bfd_target vax_aout_nbsd_vec;
    933 extern const bfd_target vax_elf32_vec;
    934 extern const bfd_target visium_elf32_vec;
    935 extern const bfd_target wasm_vec;
    936 extern const bfd_target wasm32_elf32_vec;
    937 extern const bfd_target x86_64_coff_vec;
    938 extern const bfd_target x86_64_elf32_vec;
    939 extern const bfd_target x86_64_elf64_vec;
    940 extern const bfd_target x86_64_elf64_cloudabi_vec;
    941 extern const bfd_target x86_64_elf64_fbsd_vec;
    942 extern const bfd_target x86_64_elf64_sol2_vec;
    943 extern const bfd_target x86_64_mach_o_vec;
    944 extern const bfd_target x86_64_pe_vec;
    945 extern const bfd_target x86_64_pe_big_vec;
    946 extern const bfd_target x86_64_pei_vec;
    947 extern const bfd_target xgate_elf32_vec;
    948 extern const bfd_target xstormy16_elf32_vec;
    949 extern const bfd_target xtensa_elf32_be_vec;
    950 extern const bfd_target xtensa_elf32_le_vec;
    951 extern const bfd_target z80_coff_vec;
    952 extern const bfd_target z80_elf32_vec;
    953 extern const bfd_target z8k_coff_vec;
    954 
    955 /* These are always included.  */
    956 extern const bfd_target srec_vec;
    957 extern const bfd_target symbolsrec_vec;
    958 extern const bfd_target verilog_vec;
    959 extern const bfd_target tekhex_vec;
    960 extern const bfd_target binary_vec;
    961 extern const bfd_target ihex_vec;
    962 
    963 /* All of the xvecs for core files.  */
    964 extern const bfd_target core_cisco_be_vec;
    965 extern const bfd_target core_cisco_le_vec;
    966 extern const bfd_target core_hppabsd_vec;
    967 extern const bfd_target core_hpux_vec;
    968 extern const bfd_target core_irix_vec;
    969 extern const bfd_target core_netbsd_vec;
    970 extern const bfd_target core_osf_vec;
    971 extern const bfd_target core_ptrace_vec;
    972 extern const bfd_target core_trad_vec;
    973 
    974 static const bfd_target * const _bfd_target_vector[] =
    975 {
    976 #ifdef SELECT_VECS
    977 
    978 	SELECT_VECS,
    979 
    980 #else /* not SELECT_VECS */
    981 
    982 #ifdef DEFAULT_VECTOR
    983 	&DEFAULT_VECTOR,
    984 #endif
    985 	/* This list is alphabetized to make it easy to compare
    986 	   with other vector lists -- the decls above and
    987 	   the case statement in configure.ac.
    988 	   Try to keep it in order when adding new targets, and
    989 	   use a name of the form <cpu>_<format>_<other>_<endian>_vec.
    990 	   Note that sorting is done as if _<endian>_vec wasn't present.
    991 	   Vectors that don't compile on all systems, or aren't finished,
    992 	   should have an entry here with #if 0 around it, to show that
    993 	   it wasn't omitted by mistake.  */
    994 #ifdef BFD64
    995 	&aarch64_elf32_be_vec,
    996 	&aarch64_elf32_le_vec,
    997 	&aarch64_elf64_be_vec,
    998 	&aarch64_elf64_be_cloudabi_vec,
    999 	&aarch64_elf64_le_vec,
   1000 	&aarch64_elf64_le_cloudabi_vec,
   1001 	&aarch64_mach_o_vec,
   1002 	&aarch64_pe_le_vec,
   1003 	&aarch64_pei_le_vec,
   1004 #endif
   1005 
   1006 #ifdef BFD64
   1007 	&amdgcn_elf64_le_vec,
   1008 #endif
   1009 
   1010 #ifdef BFD64
   1011 	&alpha_ecoff_le_vec,
   1012 	&alpha_elf64_vec,
   1013 	&alpha_elf64_fbsd_vec,
   1014 	&alpha_vms_vec,
   1015 #endif
   1016 	&alpha_vms_lib_txt_vec,
   1017 
   1018 	&am33_elf32_linux_vec,
   1019 
   1020 #if 0
   1021 	/* Since a.out files lack decent magic numbers, no way to recognize
   1022 	   which kind of a.out file it is.  */
   1023 	&aout_vec,
   1024 #endif
   1025 
   1026 	&arc_elf32_be_vec,
   1027 	&arc_elf32_le_vec,
   1028 
   1029 	&arm_elf32_be_vec,
   1030 	&arm_elf32_le_vec,
   1031 	&arm_elf32_fdpic_be_vec,
   1032 	&arm_elf32_fdpic_le_vec,
   1033 	&arm_elf32_vxworks_be_vec,
   1034 	&arm_elf32_vxworks_le_vec,
   1035 	&arm_mach_o_vec,
   1036 	&arm_pe_be_vec,
   1037 	&arm_pe_le_vec,
   1038 	&arm_pe_wince_be_vec,
   1039 	&arm_pe_wince_le_vec,
   1040 	&arm_pei_be_vec,
   1041 	&arm_pei_le_vec,
   1042 	&arm_pei_wince_be_vec,
   1043 	&arm_pei_wince_le_vec,
   1044 
   1045 	&avr_elf32_vec,
   1046 
   1047 	&bfin_elf32_vec,
   1048 	&bfin_elf32_fdpic_vec,
   1049 
   1050 	&cr16_elf32_vec,
   1051 
   1052 	&cris_aout_vec,
   1053 	&cris_elf32_vec,
   1054 	&cris_elf32_us_vec,
   1055 
   1056 	&crx_elf32_vec,
   1057 
   1058 	&csky_elf32_be_vec,
   1059 	&csky_elf32_le_vec,
   1060 
   1061 	&d10v_elf32_vec,
   1062 	&d30v_elf32_vec,
   1063 
   1064 	&dlx_elf32_be_vec,
   1065 
   1066 	/* This, and other vectors, may not be used in any *.mt configuration.
   1067 	   But that does not mean they are unnecessary.  If configured with
   1068 	   --enable-targets=all, objdump or gdb should be able to examine
   1069 	   the file even if we don't recognize the machine type.  */
   1070 	&elf32_be_vec,
   1071 	&elf32_le_vec,
   1072 #ifdef BFD64
   1073 	&elf64_be_vec,
   1074 	&elf64_le_vec,
   1075 #endif
   1076 
   1077 	&epiphany_elf32_vec,
   1078 
   1079 	&fr30_elf32_vec,
   1080 
   1081 	&frv_elf32_vec,
   1082 	&frv_elf32_fdpic_vec,
   1083 
   1084 	&h8300_elf32_vec,
   1085 	&h8300_elf32_linux_vec,
   1086 
   1087 	&hppa_elf32_vec,
   1088 	&hppa_elf32_linux_vec,
   1089 	&hppa_elf32_nbsd_vec,
   1090 #ifdef BFD64
   1091 	&hppa_elf64_vec,
   1092 	&hppa_elf64_linux_vec,
   1093 #endif
   1094 	&hppa_som_vec,
   1095 
   1096 	&i386_aout_vec,
   1097 	&i386_aout_bsd_vec,
   1098 	&i386_aout_lynx_vec,
   1099 	&i386_coff_vec,
   1100 	&i386_coff_go32_vec,
   1101 	&i386_coff_go32stubbed_vec,
   1102 	&i386_coff_lynx_vec,
   1103 	&i386_elf32_vec,
   1104 	&i386_elf32_fbsd_vec,
   1105 	&i386_elf32_sol2_vec,
   1106 	&i386_elf32_vxworks_vec,
   1107 	&i386_mach_o_vec,
   1108 	&i386_msdos_vec,
   1109 	&i386_pe_vec,
   1110 	&i386_pe_big_vec,
   1111 	&i386_pei_vec,
   1112 
   1113 	&iamcu_elf32_vec,
   1114 
   1115 #ifdef BFD64
   1116 	&bpf_elf64_be_vec,
   1117 	&bpf_elf64_le_vec,
   1118 #endif
   1119 
   1120 #ifdef BFD64
   1121 #if 0
   1122 	&ia64_elf32_be_vec,
   1123 #endif
   1124 	&ia64_elf32_hpux_be_vec,
   1125 	&ia64_elf64_be_vec,
   1126 	&ia64_elf64_le_vec,
   1127 	&ia64_elf64_hpux_be_vec,
   1128 	&ia64_elf64_vms_vec,
   1129 	&ia64_pei_vec,
   1130 #endif
   1131 
   1132 	&ip2k_elf32_vec,
   1133 	&iq2000_elf32_vec,
   1134 
   1135 #ifdef BFD64
   1136 	&kvx_elf32_vec,
   1137 	&kvx_elf64_vec,
   1138 #endif
   1139 
   1140 	&lm32_elf32_vec,
   1141 
   1142 	&m32c_elf32_vec,
   1143 
   1144 	&m32r_elf32_vec,
   1145 	&m32r_elf32_le_vec,
   1146 	&m32r_elf32_linux_vec,
   1147 	&m32r_elf32_linux_le_vec,
   1148 
   1149 	&m68hc11_elf32_vec,
   1150 	&m68hc12_elf32_vec,
   1151 
   1152 	&m68k_elf32_vec,
   1153 
   1154 	&s12z_elf32_vec,
   1155 
   1156 	&mach_o_be_vec,
   1157 	&mach_o_le_vec,
   1158 	&mach_o_fat_vec,
   1159 
   1160 	&mcore_elf32_be_vec,
   1161 	&mcore_elf32_le_vec,
   1162 	&mcore_pe_be_vec,
   1163 	&mcore_pe_le_vec,
   1164 	&mcore_pei_be_vec,
   1165 	&mcore_pei_le_vec,
   1166 
   1167 	&mep_elf32_vec,
   1168 
   1169 	&metag_elf32_vec,
   1170 
   1171 	&microblaze_elf32_vec,
   1172 
   1173 	&mips_ecoff_be_vec,
   1174 	&mips_ecoff_le_vec,
   1175 	&mips_ecoff_bele_vec,
   1176 #ifdef BFD64
   1177 	&mips_elf32_be_vec,
   1178 	&mips_elf32_le_vec,
   1179 	&mips_elf32_n_be_vec,
   1180 	&mips_elf32_n_le_vec,
   1181 	&mips_elf32_ntrad_be_vec,
   1182 	&mips_elf32_ntrad_le_vec,
   1183 	&mips_elf32_ntradfbsd_be_vec,
   1184 	&mips_elf32_ntradfbsd_le_vec,
   1185 	&mips_elf32_trad_be_vec,
   1186 	&mips_elf32_trad_le_vec,
   1187 	&mips_elf32_tradfbsd_be_vec,
   1188 	&mips_elf32_tradfbsd_le_vec,
   1189 	&mips_elf32_vxworks_be_vec,
   1190 	&mips_elf32_vxworks_le_vec,
   1191 	&mips_elf64_be_vec,
   1192 	&mips_elf64_le_vec,
   1193 	&mips_elf64_trad_be_vec,
   1194 	&mips_elf64_trad_le_vec,
   1195 	&mips_elf64_tradfbsd_be_vec,
   1196 	&mips_elf64_tradfbsd_le_vec,
   1197 #endif
   1198 
   1199 #ifdef BFD64
   1200 	&mmix_elf64_vec,
   1201 	&mmix_mmo_vec,
   1202 #endif
   1203 
   1204 	&mn10200_elf32_vec,
   1205 	&mn10300_elf32_vec,
   1206 
   1207 	&moxie_elf32_be_vec,
   1208 	&moxie_elf32_le_vec,
   1209 
   1210 	&msp430_elf32_vec,
   1211 	&msp430_elf32_ti_vec,
   1212 
   1213 	&mt_elf32_vec,
   1214 
   1215 	&nds32_elf32_be_vec,
   1216 	&nds32_elf32_le_vec,
   1217 	&nds32_elf32_linux_be_vec,
   1218 	&nds32_elf32_linux_le_vec,
   1219 
   1220 #ifdef BFD64
   1221 	&nfp_elf64_vec,
   1222 #endif
   1223 
   1224 	&nios2_elf32_be_vec,
   1225 	&nios2_elf32_le_vec,
   1226 
   1227 	&ns32k_aout_pc532mach_vec,
   1228 	&ns32k_aout_pc532nbsd_vec,
   1229 
   1230 	&or1k_elf32_vec,
   1231 
   1232 	&pdb_vec,
   1233 
   1234 	&pdp11_aout_vec,
   1235 
   1236 	&pef_vec,
   1237 	&pef_xlib_vec,
   1238 
   1239 	&pj_elf32_vec,
   1240 	&pj_elf32_le_vec,
   1241 
   1242 	&powerpc_boot_vec,
   1243 	&powerpc_elf32_vec,
   1244 	&powerpc_elf32_le_vec,
   1245 	&powerpc_elf32_fbsd_vec,
   1246 	&powerpc_elf32_vxworks_vec,
   1247 #ifdef BFD64
   1248 	&powerpc_elf64_vec,
   1249 	&powerpc_elf64_le_vec,
   1250 	&powerpc_elf64_fbsd_vec,
   1251 	&powerpc_elf64_fbsd_le_vec,
   1252 #endif
   1253 #if 0
   1254 	/* This has the same magic number as RS/6000.  */
   1255 	&powerpc_xcoff_vec,
   1256 #endif
   1257 
   1258 	&pru_elf32_vec,
   1259 
   1260 #ifdef BFD64
   1261 	&riscv_elf32_vec,
   1262 	&riscv_elf64_vec,
   1263 	&riscv_elf32_be_vec,
   1264 	&riscv_elf64_be_vec,
   1265 	&riscv64_pei_vec,
   1266 #endif
   1267 	&rl78_elf32_vec,
   1268 
   1269 #ifdef BFD64
   1270 	&rs6000_xcoff64_vec,
   1271 	&rs6000_xcoff64_aix_vec,
   1272 #endif
   1273 	&rs6000_xcoff_vec,
   1274 
   1275 	&rx_elf32_be_vec,
   1276 	&rx_elf32_be_ns_vec,
   1277 	&rx_elf32_le_vec,
   1278 
   1279 	&s390_elf32_vec,
   1280 #ifdef BFD64
   1281 	&s390_elf64_vec,
   1282 #endif
   1283 
   1284 #ifdef BFD64
   1285 	&score_elf32_be_vec,
   1286 	&score_elf32_le_vec,
   1287 #endif
   1288 
   1289 	&sh_coff_vec,
   1290 	&sh_coff_le_vec,
   1291 	&sh_coff_small_vec,
   1292 	&sh_coff_small_le_vec,
   1293 	&sh_elf32_vec,
   1294 	&sh_elf32_le_vec,
   1295 	&sh_elf32_fdpic_be_vec,
   1296 	&sh_elf32_fdpic_le_vec,
   1297 	&sh_elf32_linux_vec,
   1298 	&sh_elf32_linux_be_vec,
   1299 	&sh_elf32_nbsd_vec,
   1300 	&sh_elf32_nbsd_le_vec,
   1301 	&sh_elf32_vxworks_vec,
   1302 	&sh_elf32_vxworks_le_vec,
   1303 	&sh_pe_le_vec,
   1304 	&sh_pei_le_vec,
   1305 
   1306 	&sparc_elf32_vec,
   1307 	&sparc_elf32_sol2_vec,
   1308 	&sparc_elf32_vxworks_vec,
   1309 #ifdef BFD64
   1310 	&sparc_elf64_vec,
   1311 	&sparc_elf64_fbsd_vec,
   1312 	&sparc_elf64_sol2_vec,
   1313 #endif
   1314 
   1315 	&spu_elf32_vec,
   1316 
   1317 	&sym_vec,
   1318 
   1319 	&tic30_coff_vec,
   1320 	&tic54x_coff0_beh_vec,
   1321 	&tic54x_coff0_vec,
   1322 	&tic54x_coff1_beh_vec,
   1323 	&tic54x_coff1_vec,
   1324 	&tic54x_coff2_beh_vec,
   1325 	&tic54x_coff2_vec,
   1326 	&tic6x_elf32_be_vec,
   1327 	&tic6x_elf32_le_vec,
   1328 
   1329 	&tilegx_elf32_be_vec,
   1330 	&tilegx_elf32_le_vec,
   1331 #ifdef BFD64
   1332 	&tilegx_elf64_be_vec,
   1333 	&tilegx_elf64_le_vec,
   1334 #endif
   1335 	&tilepro_elf32_vec,
   1336 
   1337 	&ft32_elf32_vec,
   1338 
   1339 	&v800_elf32_vec,
   1340 	&v850_elf32_vec,
   1341 
   1342 	&vax_aout_1knbsd_vec,
   1343 	&vax_aout_nbsd_vec,
   1344 	&vax_elf32_vec,
   1345 
   1346 	&visium_elf32_vec,
   1347 
   1348 	&wasm_vec,
   1349 	&wasm32_elf32_vec,
   1350 
   1351 #ifdef BFD64
   1352 	&x86_64_coff_vec,
   1353 	&x86_64_elf32_vec,
   1354 	&x86_64_elf64_vec,
   1355 	&x86_64_elf64_cloudabi_vec,
   1356 	&x86_64_elf64_fbsd_vec,
   1357 	&x86_64_elf64_sol2_vec,
   1358 	&x86_64_mach_o_vec,
   1359 	&x86_64_pe_vec,
   1360 	&x86_64_pe_big_vec,
   1361 	&x86_64_pei_vec,
   1362 #endif
   1363 
   1364 	&xgate_elf32_vec,
   1365 
   1366 	&xstormy16_elf32_vec,
   1367 
   1368 	&xtensa_elf32_be_vec,
   1369 	&xtensa_elf32_le_vec,
   1370 
   1371 	&z80_coff_vec,
   1372 	&z80_elf32_vec,
   1373 
   1374 	&z8k_coff_vec,
   1375 
   1376 #ifdef BFD64
   1377 	&loongarch_elf32_vec,
   1378 	&loongarch_elf64_vec,
   1379 	&loongarch64_pei_vec,
   1380 #endif
   1381 
   1382 #endif /* not SELECT_VECS */
   1383 
   1384 /* Always support S-records, for convenience.  */
   1385 	&srec_vec,
   1386 	&symbolsrec_vec,
   1387 /* And verilog.  */
   1388 	&verilog_vec,
   1389 /* And tekhex */
   1390 	&tekhex_vec,
   1391 /* Likewise for binary output.  */
   1392 	&binary_vec,
   1393 /* Likewise for ihex.  */
   1394 	&ihex_vec,
   1395 
   1396 #if BFD_SUPPORTS_PLUGINS
   1397 	&plugin_vec,
   1398 #endif
   1399 
   1400 /* Add any required traditional-core-file-handler.  */
   1401 
   1402 #if 0
   1403 	/* We don't include cisco_core_*_vec.  Although it has a magic number,
   1404 	   the magic number isn't at the beginning of the file, and thus
   1405 	   might spuriously match other kinds of files.  */
   1406 	&core_cisco_be_vec,
   1407 	&core_cisco_le_vec,
   1408 #endif
   1409 #ifdef HPPABSD_CORE
   1410 	&core_hppabsd_vec,
   1411 #endif
   1412 #ifdef HPUX_CORE
   1413 	&core_hpux_vec,
   1414 #endif
   1415 #ifdef IRIX_CORE
   1416 	&core_irix_vec,
   1417 #endif
   1418 #ifdef NETBSD_CORE
   1419 	&core_netbsd_vec,
   1420 #endif
   1421 #ifdef OSF_CORE
   1422 	&core_osf_vec,
   1423 #endif
   1424 #ifdef PTRACE_CORE
   1425 	&core_ptrace_vec,
   1426 #endif
   1427 #ifdef TRAD_CORE
   1428 	&core_trad_vec,
   1429 #endif
   1430 
   1431 	NULL /* end of list marker */
   1432 };
   1433 const bfd_target *const *const bfd_target_vector = _bfd_target_vector;
   1434 
   1435 /* bfd_default_vector[0] contains either the address of the default vector,
   1436    if there is one, or zero if there isn't.  */
   1437 
   1438 const bfd_target *bfd_default_vector[] = {
   1439 #ifdef DEFAULT_VECTOR
   1440 	&DEFAULT_VECTOR,
   1441 #endif
   1442 	NULL
   1443 };
   1444 
   1445 /* bfd_associated_vector[] contains the associated target vectors used
   1446    to reduce the ambiguity in bfd_check_format_matches.  */
   1447 
   1448 static const bfd_target *const _bfd_associated_vector[] = {
   1449 #ifdef ASSOCIATED_VECS
   1450 	ASSOCIATED_VECS,
   1451 #endif
   1452 	NULL
   1453 };
   1454 const bfd_target *const *const bfd_associated_vector = _bfd_associated_vector;
   1455 
   1456 /* When there is an ambiguous match, bfd_check_format_matches puts the
   1457    names of the matching targets in an array.  This variable is the maximum
   1458    number of entries that the array could possibly need.  */
   1459 const size_t _bfd_target_vector_entries = ARRAY_SIZE (_bfd_target_vector);
   1460 
   1461 /* A place to stash a warning from _bfd_check_format.  */
   1462 static struct per_xvec_message *per_xvec_warn[ARRAY_SIZE (_bfd_target_vector)
   1463 					      + 1];
   1464 
   1465 /* This array maps configuration triplets onto BFD vectors.  */
   1467 
   1468 struct targmatch
   1469 {
   1470   /* The configuration triplet.  */
   1471   const char *triplet;
   1472   /* The BFD vector.  If this is NULL, then the vector is found by
   1473      searching forward for the next structure with a non NULL vector
   1474      field.  */
   1475   const bfd_target *vector;
   1476 };
   1477 
   1478 /* targmatch.h is built by Makefile out of config.bfd.  */
   1479 static const struct targmatch bfd_target_match[] = {
   1480 #include "targmatch.h"
   1481   { NULL, NULL }
   1482 };
   1483 
   1484 /*
   1485 INTERNAL
   1486 .{* Cached _bfd_check_format messages are put in this.  *}
   1487 .struct per_xvec_message
   1488 .{
   1489 .  struct per_xvec_message *next;
   1490 .  char message[];
   1491 .};
   1492 .
   1493 INTERNAL_FUNCTION
   1494 	_bfd_per_xvec_warn
   1495 
   1496 SYNOPSIS
   1497 	struct per_xvec_message **_bfd_per_xvec_warn (const bfd_target *, size_t);
   1498 
   1499 DESCRIPTION
   1500 	Return a location for the given target xvec to use for
   1501 	warnings specific to that target.  If TARG is NULL, returns
   1502 	the array of per_xvec_message pointers, otherwise if ALLOC is
   1503 	zero, returns a pointer to a pointer to the list of messages
   1504 	for TARG, otherwise (both TARG and ALLOC non-zero), allocates
   1505 	a new 	per_xvec_message with space for a string of ALLOC
   1506 	bytes and returns a pointer to a pointer to it.  May return a
   1507 	pointer to a NULL pointer on allocation failure.
   1508 */
   1509 
   1510 struct per_xvec_message **
   1511 _bfd_per_xvec_warn (const bfd_target *targ, size_t alloc)
   1512 {
   1513   size_t idx;
   1514 
   1515   if (!targ)
   1516     return per_xvec_warn;
   1517   for (idx = 0; idx < ARRAY_SIZE (_bfd_target_vector); idx++)
   1518     if (_bfd_target_vector[idx] == targ)
   1519       break;
   1520   struct per_xvec_message **m = per_xvec_warn + idx;
   1521   if (!alloc)
   1522     return m;
   1523   int count = 0;
   1524   while (*m)
   1525     {
   1526       m = &(*m)->next;
   1527       count++;
   1528     }
   1529   /* Anti-fuzzer measure.  Don't cache more than 5 messages.  */
   1530   if (count < 5)
   1531     {
   1532       *m = bfd_malloc (sizeof (**m) + alloc);
   1533       if (*m != NULL)
   1534 	(*m)->next = NULL;
   1535     }
   1536   return m;
   1537 }
   1538 
   1539 /* Find a target vector, given a name or configuration triplet.  */
   1540 
   1541 static const bfd_target *
   1542 find_target (const char *name)
   1543 {
   1544   const bfd_target * const *target;
   1545   const struct targmatch *match;
   1546 
   1547   for (target = &bfd_target_vector[0]; *target != NULL; target++)
   1548     if (strcmp (name, (*target)->name) == 0)
   1549       return *target;
   1550 
   1551   /* If we couldn't match on the exact name, try matching on the
   1552      configuration triplet.  FIXME: We should run the triplet through
   1553      config.sub first, but that is hard.  */
   1554   for (match = &bfd_target_match[0]; match->triplet != NULL; match++)
   1555     {
   1556       if (fnmatch (match->triplet, name, 0) == 0)
   1557 	{
   1558 	  while (match->vector == NULL)
   1559 	    ++match;
   1560 	  return match->vector;
   1561 	}
   1562     }
   1563 
   1564   bfd_set_error (bfd_error_invalid_target);
   1565   return NULL;
   1566 }
   1567 
   1568 /*
   1569 FUNCTION
   1570 	bfd_set_default_target
   1571 
   1572 SYNOPSIS
   1573 	bool bfd_set_default_target (const char *name);
   1574 
   1575 DESCRIPTION
   1576 	Set the default target vector to use when recognizing a BFD.
   1577 	This takes the name of the target, which may be a BFD target
   1578 	name or a configuration triplet.
   1579 */
   1580 
   1581 bool
   1582 bfd_set_default_target (const char *name)
   1583 {
   1584   const bfd_target *target;
   1585 
   1586   if (bfd_default_vector[0] != NULL
   1587       && strcmp (name, bfd_default_vector[0]->name) == 0)
   1588     return true;
   1589 
   1590   target = find_target (name);
   1591   if (target == NULL)
   1592     return false;
   1593 
   1594   bfd_default_vector[0] = target;
   1595   return true;
   1596 }
   1597 
   1598 /*
   1599 FUNCTION
   1600 	bfd_find_target
   1601 
   1602 SYNOPSIS
   1603 	const bfd_target *bfd_find_target (const char *target_name, bfd *abfd);
   1604 
   1605 DESCRIPTION
   1606 	Return a pointer to the transfer vector for the object target
   1607 	named @var{target_name}.  If @var{target_name} is <<NULL>>,
   1608 	choose the one in the environment variable <<GNUTARGET>>; if
   1609 	that is null or not defined, then choose the first entry in the
   1610 	target list.  Passing in the string "default" or setting the
   1611 	environment variable to "default" will cause the first entry in
   1612 	the target list to be returned, and "target_defaulted" will be
   1613 	set in the BFD if @var{abfd} isn't <<NULL>>.  This causes
   1614 	<<bfd_check_format>> to loop over all the targets to find the
   1615 	one that matches the file being read.
   1616 */
   1617 
   1618 const bfd_target *
   1619 bfd_find_target (const char *target_name, bfd *abfd)
   1620 {
   1621   const char *targname;
   1622   const bfd_target *target;
   1623 
   1624   if (target_name != NULL)
   1625     targname = target_name;
   1626   else
   1627     targname = getenv ("GNUTARGET");
   1628 
   1629   /* This is safe; the vector cannot be null.  */
   1630   if (targname == NULL || strcmp (targname, "default") == 0)
   1631     {
   1632       if (bfd_default_vector[0] != NULL)
   1633 	target = bfd_default_vector[0];
   1634       else
   1635 	target = bfd_target_vector[0];
   1636       if (abfd)
   1637 	{
   1638 	  abfd->xvec = target;
   1639 	  abfd->target_defaulted = true;
   1640 	}
   1641       return target;
   1642     }
   1643 
   1644   if (abfd)
   1645     abfd->target_defaulted = false;
   1646 
   1647   target = find_target (targname);
   1648   if (target == NULL)
   1649     return NULL;
   1650 
   1651   if (abfd)
   1652     abfd->xvec = target;
   1653   return target;
   1654 }
   1655 
   1656 /* Helper function for bfd_get_target_info to determine the target's
   1657    architecture.  This method handles bfd internal target names as
   1658    tuples and triplets.  */
   1659 static bool
   1660 _bfd_find_arch_match (const char *tname, const char **arch,
   1661 		      const char **def_target_arch)
   1662 {
   1663   if (!arch)
   1664     return false;
   1665 
   1666   while (*arch != NULL)
   1667     {
   1668       const char *in_a = strstr (*arch, tname);
   1669       char end_ch = (in_a ? in_a[strlen (tname)] : 0);
   1670 
   1671       if (in_a && (in_a == *arch || in_a[-1] == ':')
   1672 	  && end_ch == 0)
   1673 	{
   1674 	  *def_target_arch = *arch;
   1675 	  return true;
   1676 	}
   1677       arch++;
   1678     }
   1679   return false;
   1680 }
   1681 
   1682 /*
   1683 FUNCTION
   1684 	bfd_get_target_info
   1685 SYNOPSIS
   1686 	const bfd_target *bfd_get_target_info (const char *target_name,
   1687 					       bfd *abfd,
   1688 					       bool *is_bigendian,
   1689 					       int *underscoring,
   1690 					       const char **def_target_arch);
   1691 DESCRIPTION
   1692 	Return a pointer to the transfer vector for the object target
   1693 	named @var{target_name}.  If @var{target_name} is <<NULL>>,
   1694 	choose the one in the environment variable <<GNUTARGET>>; if
   1695 	that is null or not defined, then choose the first entry in the
   1696 	target list.  Passing in the string "default" or setting the
   1697 	environment variable to "default" will cause the first entry in
   1698 	the target list to be returned, and "target_defaulted" will be
   1699 	set in the BFD if @var{abfd} isn't <<NULL>>.  This causes
   1700 	<<bfd_check_format>> to loop over all the targets to find the
   1701 	one that matches the file being read.
   1702 	If @var{is_bigendian} is not <<NULL>>, then set this value to target's
   1703 	endian mode. True for big-endian, FALSE for little-endian or for
   1704 	invalid target.
   1705 	If @var{underscoring} is not <<NULL>>, then set this value to target's
   1706 	underscoring mode. Zero for none-underscoring, -1 for invalid target,
   1707 	else the value of target vector's symbol underscoring.
   1708 	If @var{def_target_arch} is not <<NULL>>, then set it to the architecture
   1709 	string specified by the target_name.
   1710 */
   1711 const bfd_target *
   1712 bfd_get_target_info (const char *target_name, bfd *abfd,
   1713 		     bool *is_bigendian,
   1714 		     int *underscoring, const char **def_target_arch)
   1715 {
   1716   const bfd_target *target_vec;
   1717 
   1718   if (is_bigendian)
   1719     *is_bigendian = false;
   1720   if (underscoring)
   1721     *underscoring = -1;
   1722   if (def_target_arch)
   1723     *def_target_arch = NULL;
   1724   target_vec = bfd_find_target (target_name, abfd);
   1725   if (! target_vec)
   1726     return NULL;
   1727   if (is_bigendian)
   1728     *is_bigendian = target_vec->byteorder == BFD_ENDIAN_BIG;
   1729   if (underscoring)
   1730     *underscoring = ((int) target_vec->symbol_leading_char) & 0xff;
   1731 
   1732   if (def_target_arch)
   1733     {
   1734       const char *tname = target_vec->name;
   1735       const char **arches = bfd_arch_list ();
   1736 
   1737       if (arches && tname)
   1738 	{
   1739 	  char *hyp = strchr (tname, '-');
   1740 
   1741 	  if (hyp != NULL)
   1742 	    {
   1743 	      tname = ++hyp;
   1744 
   1745 	      /* Make sure we detect architecture names
   1746 		 for triplets like "pe-arm-wince-little".  */
   1747 	      if (!_bfd_find_arch_match (tname, arches, def_target_arch))
   1748 		{
   1749 		  char new_tname[50];
   1750 
   1751 		  strcpy (new_tname, hyp);
   1752 		  while ((hyp = strrchr (new_tname, '-')) != NULL)
   1753 		    {
   1754 		      *hyp = 0;
   1755 		      if (_bfd_find_arch_match (new_tname, arches,
   1756 						def_target_arch))
   1757 			break;
   1758 		    }
   1759 		}
   1760 	    }
   1761 	  else
   1762 	    _bfd_find_arch_match (tname, arches, def_target_arch);
   1763 	}
   1764 
   1765       free (arches);
   1766     }
   1767   return target_vec;
   1768 }
   1769 
   1770 /*
   1771 FUNCTION
   1772 	bfd_target_list
   1773 
   1774 SYNOPSIS
   1775 	const char ** bfd_target_list (void);
   1776 
   1777 DESCRIPTION
   1778 	Return a freshly malloced NULL-terminated
   1779 	vector of the names of all the valid BFD targets. Do not
   1780 	modify the names.
   1781 
   1782 */
   1783 
   1784 const char **
   1785 bfd_target_list (void)
   1786 {
   1787   int vec_length = 0;
   1788   size_t amt;
   1789   const bfd_target * const *target;
   1790   const  char **name_list, **name_ptr;
   1791 
   1792   for (target = &bfd_target_vector[0]; *target != NULL; target++)
   1793     vec_length++;
   1794 
   1795   amt = (vec_length + 1) * sizeof (char **);
   1796   name_ptr = name_list = (const  char **) bfd_malloc (amt);
   1797 
   1798   if (name_list == NULL)
   1799     return NULL;
   1800 
   1801   for (target = &bfd_target_vector[0]; *target != NULL; target++)
   1802     if (target == &bfd_target_vector[0]
   1803 	|| *target != bfd_target_vector[0])
   1804       *name_ptr++ = (*target)->name;
   1805 
   1806   *name_ptr = NULL;
   1807   return name_list;
   1808 }
   1809 
   1810 /*
   1811 FUNCTION
   1812 	bfd_iterate_over_targets
   1813 
   1814 SYNOPSIS
   1815 	const bfd_target *bfd_iterate_over_targets
   1816 	  (int (*func) (const bfd_target *, void *),
   1817 	   void *data);
   1818 
   1819 DESCRIPTION
   1820 	Call @var{func} for each target in the list of BFD target
   1821 	vectors, passing @var{data} to @var{func}.  Stop iterating if
   1822 	@var{func} returns a non-zero result, and return that target
   1823 	vector.  Return NULL if @var{func} always returns zero.
   1824 */
   1825 
   1826 const bfd_target *
   1827 bfd_iterate_over_targets (int (*func) (const bfd_target *, void *),
   1828 			  void *data)
   1829 {
   1830   const bfd_target *const *target;
   1831 
   1832   for (target = bfd_target_vector; *target != NULL; ++target)
   1833     if (func (*target, data))
   1834       return *target;
   1835 
   1836   return NULL;
   1837 }
   1838 
   1839 /*
   1840 FUNCTION
   1841 	bfd_flavour_name
   1842 
   1843 SYNOPSIS
   1844 	const char *bfd_flavour_name (enum bfd_flavour flavour);
   1845 
   1846 DESCRIPTION
   1847 	Return the string form of @var{flavour}.
   1848 */
   1849 
   1850 const char *
   1851 bfd_flavour_name (enum bfd_flavour flavour)
   1852 {
   1853   switch (flavour)
   1854     {
   1855     case bfd_target_unknown_flavour: return "unknown file format";
   1856     case bfd_target_aout_flavour: return "a.out";
   1857     case bfd_target_coff_flavour: return "COFF";
   1858     case bfd_target_ecoff_flavour: return "ECOFF";
   1859     case bfd_target_xcoff_flavour: return "XCOFF";
   1860     case bfd_target_elf_flavour: return "ELF";
   1861     case bfd_target_tekhex_flavour: return "Tekhex";
   1862     case bfd_target_srec_flavour: return "Srec";
   1863     case bfd_target_verilog_flavour: return "Verilog";
   1864     case bfd_target_ihex_flavour: return "Ihex";
   1865     case bfd_target_som_flavour: return "SOM";
   1866     case bfd_target_msdos_flavour: return "MSDOS";
   1867     case bfd_target_evax_flavour: return "Evax";
   1868     case bfd_target_mmo_flavour: return "mmo";
   1869     case bfd_target_mach_o_flavour: return "MACH_O";
   1870     case bfd_target_pef_flavour: return "PEF";
   1871     case bfd_target_pef_xlib_flavour: return "PEF_XLIB";
   1872     case bfd_target_sym_flavour: return "SYM";
   1873     /* There is no "default" case here so that -Wswitch (part of -Wall)
   1874        catches missing entries.  */
   1875     }
   1876 
   1877   abort ();
   1878 }
   1879