1 /* Generic target-file-type support for the BFD library.
2 Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
3 Free Software Foundation, Inc.
4 Written by Cygnus Support.
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
32 Each port of BFD to a different machine requries the creation
33 of a target back end. All the back end provides to the root
34 part of BFD is a structure containing pointers to functions
35 which perform certain low level operations on files. BFD
36 translates the applications's requests through a pointer into
37 calls to the back end routines.
39 When a file is opened with <<bfd_openr>>, its format and
40 target are unknown. BFD uses various mechanisms to determine
41 how to interpret the file. The operations performed are:
43 o Create a BFD by calling the internal routine
44 <<_bfd_new_bfd>>, then call <<bfd_find_target>> with the
45 target string supplied to <<bfd_openr>> and the new BFD pointer.
47 o If a null target string was provided to <<bfd_find_target>>,
48 look up the environment variable <<GNUTARGET>> and use
49 that as the target string.
51 o If the target string is still <<NULL>>, or the target string is
52 <<default>>, then use the first item in the target vector
53 as the target type, and set <<target_defaulted>> in the BFD to
54 cause <<bfd_check_format>> to loop through all the targets.
55 @xref{bfd_target}. @xref{Formats}.
57 o Otherwise, inspect the elements in the target vector
58 one by one, until a match on target name is found. When found,
61 o Otherwise return the error <<bfd_error_invalid_target>> to
64 o <<bfd_openr>> attempts to open the file using
65 <<bfd_open_file>>, and returns the BFD.
67 Once the BFD has been opened and the target selected, the file
68 format may be determined. This is done by calling
69 <<bfd_check_format>> on the BFD with a suggested format.
70 If <<target_defaulted>> has been set, each possible target
71 type is tried to see if it recognizes the specified format.
72 <<bfd_check_format>> returns <<true>> when the caller guesses right.
82 bfd_target, , Targets, Targets
88 This structure contains everything that BFD knows about a
89 target. It includes things like its byte order, name, and which
90 routines to call to do various operations.
92 Every BFD points to a target structure with its <<xvec>>
95 The macros below are used to dispatch to functions through the
96 <<bfd_target>> vector. They are used in a number of macros further
97 down in @file{bfd.h}, and are also used when calling various
98 routines by hand inside the BFD implementation. The @var{arglist}
99 argument must be parenthesized; it contains all the arguments
100 to the called function.
102 They make the documentation (more) unpleasant to read, so if
103 someone wants to fix this and not break the above, please do.
105 .#define BFD_SEND(bfd, message, arglist) \
106 . ((*((bfd)->xvec->message)) arglist)
108 .#ifdef DEBUG_BFD_SEND
110 .#define BFD_SEND(bfd, message, arglist) \
111 . (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
112 . ((*((bfd)->xvec->message)) arglist) : \
113 . (bfd_assert (__FILE__,__LINE__), NULL))
116 For operations which index on the BFD format:
118 .#define BFD_SEND_FMT(bfd, message, arglist) \
119 . (((bfd)->xvec->message[(int)((bfd)->format)]) arglist)
121 .#ifdef DEBUG_BFD_SEND
123 .#define BFD_SEND_FMT(bfd, message, arglist) \
124 . (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
125 . (((bfd)->xvec->message[(int)((bfd)->format)]) arglist) : \
126 . (bfd_assert (__FILE__,__LINE__), NULL))
129 This is the structure which defines the type of BFD this is. The
130 <<xvec>> member of the struct <<bfd>> itself points here. Each
131 module that implements access to a different target under BFD,
132 defines one of these.
135 FIXME, these names should be rationalised with the names of
136 the entry points which call them. Too bad we can't have one
137 macro to define them both!
140 . bfd_target_unknown_flavour,
141 . bfd_target_aout_flavour,
142 . bfd_target_coff_flavour,
143 . bfd_target_ecoff_flavour,
144 . bfd_target_xcoff_flavour,
145 . bfd_target_elf_flavour,
146 . bfd_target_ieee_flavour,
147 . bfd_target_nlm_flavour,
148 . bfd_target_oasys_flavour,
149 . bfd_target_tekhex_flavour,
150 . bfd_target_srec_flavour,
151 . bfd_target_ihex_flavour,
152 . bfd_target_som_flavour,
153 . bfd_target_os9k_flavour,
154 . bfd_target_versados_flavour,
155 . bfd_target_msdos_flavour,
156 . bfd_target_ovax_flavour,
157 . bfd_target_evax_flavour
160 .enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN };
162 .{* Forward declaration. *}
163 .typedef struct bfd_link_info _bfd_link_info;
165 .typedef struct bfd_target
168 Identifies the kind of target, e.g., SunOS4, Ultrix, etc.
172 The "flavour" of a back end is a general indication about the contents
175 . enum bfd_flavour flavour;
177 The order of bytes within the data area of a file.
179 . enum bfd_endian byteorder;
181 The order of bytes within the header parts of a file.
183 . enum bfd_endian header_byteorder;
185 A mask of all the flags which an executable may have set -
186 from the set <<BFD_NO_FLAGS>>, <<HAS_RELOC>>, ...<<D_PAGED>>.
188 . flagword object_flags;
190 A mask of all the flags which a section may have set - from
191 the set <<SEC_NO_FLAGS>>, <<SEC_ALLOC>>, ...<<SET_NEVER_LOAD>>.
193 . flagword section_flags;
195 The character normally found at the front of a symbol
196 (if any), perhaps `_'.
198 . char symbol_leading_char;
200 The pad character for file names within an archive header.
204 The maximum number of characters in an archive header.
206 . unsigned short ar_max_namelen;
208 Entries for byte swapping for data. These are different from the other
209 entry points, since they don't take a BFD asthe first argument.
210 Certain other handlers could do the same.
212 . bfd_vma (*bfd_getx64) PARAMS ((const bfd_byte *));
213 . bfd_signed_vma (*bfd_getx_signed_64) PARAMS ((const bfd_byte *));
214 . void (*bfd_putx64) PARAMS ((bfd_vma, bfd_byte *));
215 . bfd_vma (*bfd_getx32) PARAMS ((const bfd_byte *));
216 . bfd_signed_vma (*bfd_getx_signed_32) PARAMS ((const bfd_byte *));
217 . void (*bfd_putx32) PARAMS ((bfd_vma, bfd_byte *));
218 . bfd_vma (*bfd_getx16) PARAMS ((const bfd_byte *));
219 . bfd_signed_vma (*bfd_getx_signed_16) PARAMS ((const bfd_byte *));
220 . void (*bfd_putx16) PARAMS ((bfd_vma, bfd_byte *));
222 Byte swapping for the headers
224 . bfd_vma (*bfd_h_getx64) PARAMS ((const bfd_byte *));
225 . bfd_signed_vma (*bfd_h_getx_signed_64) PARAMS ((const bfd_byte *));
226 . void (*bfd_h_putx64) PARAMS ((bfd_vma, bfd_byte *));
227 . bfd_vma (*bfd_h_getx32) PARAMS ((const bfd_byte *));
228 . bfd_signed_vma (*bfd_h_getx_signed_32) PARAMS ((const bfd_byte *));
229 . void (*bfd_h_putx32) PARAMS ((bfd_vma, bfd_byte *));
230 . bfd_vma (*bfd_h_getx16) PARAMS ((const bfd_byte *));
231 . bfd_signed_vma (*bfd_h_getx_signed_16) PARAMS ((const bfd_byte *));
232 . void (*bfd_h_putx16) PARAMS ((bfd_vma, bfd_byte *));
234 Format dependent routines: these are vectors of entry points
235 within the target vector structure, one for each format to check.
237 Check the format of a file being read. Return a <<bfd_target *>> or zero.
239 . const struct bfd_target *(*_bfd_check_format[bfd_type_end]) PARAMS ((bfd *));
241 Set the format of a file being written.
243 . boolean (*_bfd_set_format[bfd_type_end]) PARAMS ((bfd *));
245 Write cached information into a file being written, at <<bfd_close>>.
247 . boolean (*_bfd_write_contents[bfd_type_end]) PARAMS ((bfd *));
249 The general target vector. These vectors are initialized using the
250 BFD_JUMP_TABLE macros.
253 . {* Generic entry points. *}
254 .#define BFD_JUMP_TABLE_GENERIC(NAME)\
255 .CAT(NAME,_close_and_cleanup),\
256 .CAT(NAME,_bfd_free_cached_info),\
257 .CAT(NAME,_new_section_hook),\
258 .CAT(NAME,_get_section_contents),\
259 .CAT(NAME,_get_section_contents_in_window)
261 . {* Called when the BFD is being closed to do any necessary cleanup. *}
262 . boolean (*_close_and_cleanup) PARAMS ((bfd *));
263 . {* Ask the BFD to free all cached information. *}
264 . boolean (*_bfd_free_cached_info) PARAMS ((bfd *));
265 . {* Called when a new section is created. *}
266 . boolean (*_new_section_hook) PARAMS ((bfd *, sec_ptr));
267 . {* Read the contents of a section. *}
268 . boolean (*_bfd_get_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
269 . file_ptr, bfd_size_type));
270 . boolean (*_bfd_get_section_contents_in_window)
271 . PARAMS ((bfd *, sec_ptr, bfd_window *,
272 . file_ptr, bfd_size_type));
274 . {* Entry points to copy private data. *}
275 .#define BFD_JUMP_TABLE_COPY(NAME)\
276 .CAT(NAME,_bfd_copy_private_bfd_data),\
277 .CAT(NAME,_bfd_merge_private_bfd_data),\
278 .CAT(NAME,_bfd_copy_private_section_data),\
279 .CAT(NAME,_bfd_copy_private_symbol_data),\
280 .CAT(NAME,_bfd_set_private_flags),\
281 .CAT(NAME,_bfd_print_private_bfd_data)\
282 . {* Called to copy BFD general private data from one object file
284 . boolean (*_bfd_copy_private_bfd_data) PARAMS ((bfd *, bfd *));
285 . {* Called to merge BFD general private data from one object file
286 . to a common output file when linking. *}
287 . boolean (*_bfd_merge_private_bfd_data) PARAMS ((bfd *, bfd *));
288 . {* Called to copy BFD private section data from one object file
290 . boolean (*_bfd_copy_private_section_data) PARAMS ((bfd *, sec_ptr,
292 . {* Called to copy BFD private symbol data from one symbol
294 . boolean (*_bfd_copy_private_symbol_data) PARAMS ((bfd *, asymbol *,
295 . bfd *, asymbol *));
296 . {* Called to set private backend flags *}
297 . boolean (*_bfd_set_private_flags) PARAMS ((bfd *, flagword));
299 . {* Called to print private BFD data *}
300 . boolean (*_bfd_print_private_bfd_data) PARAMS ((bfd *, PTR));
302 . {* Core file entry points. *}
303 .#define BFD_JUMP_TABLE_CORE(NAME)\
304 .CAT(NAME,_core_file_failing_command),\
305 .CAT(NAME,_core_file_failing_signal),\
306 .CAT(NAME,_core_file_matches_executable_p)
307 . char * (*_core_file_failing_command) PARAMS ((bfd *));
308 . int (*_core_file_failing_signal) PARAMS ((bfd *));
309 . boolean (*_core_file_matches_executable_p) PARAMS ((bfd *, bfd *));
311 . {* Archive entry points. *}
312 .#define BFD_JUMP_TABLE_ARCHIVE(NAME)\
313 .CAT(NAME,_slurp_armap),\
314 .CAT(NAME,_slurp_extended_name_table),\
315 .CAT(NAME,_construct_extended_name_table),\
316 .CAT(NAME,_truncate_arname),\
317 .CAT(NAME,_write_armap),\
318 .CAT(NAME,_read_ar_hdr),\
319 .CAT(NAME,_openr_next_archived_file),\
320 .CAT(NAME,_get_elt_at_index),\
321 .CAT(NAME,_generic_stat_arch_elt),\
322 .CAT(NAME,_update_armap_timestamp)
323 . boolean (*_bfd_slurp_armap) PARAMS ((bfd *));
324 . boolean (*_bfd_slurp_extended_name_table) PARAMS ((bfd *));
325 . boolean (*_bfd_construct_extended_name_table)
326 . PARAMS ((bfd *, char **, bfd_size_type *, const char **));
327 . void (*_bfd_truncate_arname) PARAMS ((bfd *, CONST char *, char *));
328 . boolean (*write_armap) PARAMS ((bfd *arch,
329 . unsigned int elength,
331 . unsigned int orl_count,
333 . PTR (*_bfd_read_ar_hdr_fn) PARAMS ((bfd *));
334 . bfd * (*openr_next_archived_file) PARAMS ((bfd *arch, bfd *prev));
335 .#define bfd_get_elt_at_index(b,i) BFD_SEND(b, _bfd_get_elt_at_index, (b,i))
336 . bfd * (*_bfd_get_elt_at_index) PARAMS ((bfd *, symindex));
337 . int (*_bfd_stat_arch_elt) PARAMS ((bfd *, struct stat *));
338 . boolean (*_bfd_update_armap_timestamp) PARAMS ((bfd *));
340 . {* Entry points used for symbols. *}
341 .#define BFD_JUMP_TABLE_SYMBOLS(NAME)\
342 .CAT(NAME,_get_symtab_upper_bound),\
343 .CAT(NAME,_get_symtab),\
344 .CAT(NAME,_make_empty_symbol),\
345 .CAT(NAME,_print_symbol),\
346 .CAT(NAME,_get_symbol_info),\
347 .CAT(NAME,_bfd_is_local_label_name),\
348 .CAT(NAME,_get_lineno),\
349 .CAT(NAME,_find_nearest_line),\
350 .CAT(NAME,_bfd_make_debug_symbol),\
351 .CAT(NAME,_read_minisymbols),\
352 .CAT(NAME,_minisymbol_to_symbol)
353 . long (*_bfd_get_symtab_upper_bound) PARAMS ((bfd *));
354 . long (*_bfd_canonicalize_symtab) PARAMS ((bfd *,
355 . struct symbol_cache_entry **));
356 . struct symbol_cache_entry *
357 . (*_bfd_make_empty_symbol) PARAMS ((bfd *));
358 . void (*_bfd_print_symbol) PARAMS ((bfd *, PTR,
359 . struct symbol_cache_entry *,
360 . bfd_print_symbol_type));
361 .#define bfd_print_symbol(b,p,s,e) BFD_SEND(b, _bfd_print_symbol, (b,p,s,e))
362 . void (*_bfd_get_symbol_info) PARAMS ((bfd *,
363 . struct symbol_cache_entry *,
365 .#define bfd_get_symbol_info(b,p,e) BFD_SEND(b, _bfd_get_symbol_info, (b,p,e))
366 . boolean (*_bfd_is_local_label_name) PARAMS ((bfd *, const char *));
368 . alent * (*_get_lineno) PARAMS ((bfd *, struct symbol_cache_entry *));
369 . boolean (*_bfd_find_nearest_line) PARAMS ((bfd *abfd,
370 . struct sec *section, struct symbol_cache_entry **symbols,
371 . bfd_vma offset, CONST char **file, CONST char **func,
372 . unsigned int *line));
373 . {* Back-door to allow format-aware applications to create debug symbols
374 . while using BFD for everything else. Currently used by the assembler
375 . when creating COFF files. *}
376 . asymbol * (*_bfd_make_debug_symbol) PARAMS ((
379 . unsigned long size));
380 .#define bfd_read_minisymbols(b, d, m, s) \
381 . BFD_SEND (b, _read_minisymbols, (b, d, m, s))
382 . long (*_read_minisymbols) PARAMS ((bfd *, boolean, PTR *,
384 .#define bfd_minisymbol_to_symbol(b, d, m, f) \
385 . BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f))
386 . asymbol *(*_minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
389 . {* Routines for relocs. *}
390 .#define BFD_JUMP_TABLE_RELOCS(NAME)\
391 .CAT(NAME,_get_reloc_upper_bound),\
392 .CAT(NAME,_canonicalize_reloc),\
393 .CAT(NAME,_bfd_reloc_type_lookup)
394 . long (*_get_reloc_upper_bound) PARAMS ((bfd *, sec_ptr));
395 . long (*_bfd_canonicalize_reloc) PARAMS ((bfd *, sec_ptr, arelent **,
396 . struct symbol_cache_entry **));
397 . {* See documentation on reloc types. *}
399 . (*reloc_type_lookup) PARAMS ((bfd *abfd,
400 . bfd_reloc_code_real_type code));
402 . {* Routines used when writing an object file. *}
403 .#define BFD_JUMP_TABLE_WRITE(NAME)\
404 .CAT(NAME,_set_arch_mach),\
405 .CAT(NAME,_set_section_contents)
406 . boolean (*_bfd_set_arch_mach) PARAMS ((bfd *, enum bfd_architecture,
408 . boolean (*_bfd_set_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
409 . file_ptr, bfd_size_type));
411 . {* Routines used by the linker. *}
412 .#define BFD_JUMP_TABLE_LINK(NAME)\
413 .CAT(NAME,_sizeof_headers),\
414 .CAT(NAME,_bfd_get_relocated_section_contents),\
415 .CAT(NAME,_bfd_relax_section),\
416 .CAT(NAME,_bfd_link_hash_table_create),\
417 .CAT(NAME,_bfd_link_add_symbols),\
418 .CAT(NAME,_bfd_final_link),\
419 .CAT(NAME,_bfd_link_split_section),\
420 .CAT(NAME,_bfd_gc_sections)
421 . int (*_bfd_sizeof_headers) PARAMS ((bfd *, boolean));
422 . bfd_byte * (*_bfd_get_relocated_section_contents) PARAMS ((bfd *,
423 . struct bfd_link_info *, struct bfd_link_order *,
424 . bfd_byte *data, boolean relocateable,
425 . struct symbol_cache_entry **));
427 . boolean (*_bfd_relax_section) PARAMS ((bfd *, struct sec *,
428 . struct bfd_link_info *, boolean *again));
430 . {* Create a hash table for the linker. Different backends store
431 . different information in this table. *}
432 . struct bfd_link_hash_table *(*_bfd_link_hash_table_create) PARAMS ((bfd *));
434 . {* Add symbols from this object file into the hash table. *}
435 . boolean (*_bfd_link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
437 . {* Do a link based on the link_order structures attached to each
438 . section of the BFD. *}
439 . boolean (*_bfd_final_link) PARAMS ((bfd *, struct bfd_link_info *));
441 . {* Should this section be split up into smaller pieces during linking. *}
442 . boolean (*_bfd_link_split_section) PARAMS ((bfd *, struct sec *));
444 . {* Remove sections that are not referenced from the output. *}
445 . boolean (*_bfd_gc_sections) PARAMS ((bfd *, struct bfd_link_info *));
447 . {* Routines to handle dynamic symbols and relocs. *}
448 .#define BFD_JUMP_TABLE_DYNAMIC(NAME)\
449 .CAT(NAME,_get_dynamic_symtab_upper_bound),\
450 .CAT(NAME,_canonicalize_dynamic_symtab),\
451 .CAT(NAME,_get_dynamic_reloc_upper_bound),\
452 .CAT(NAME,_canonicalize_dynamic_reloc)
453 . {* Get the amount of memory required to hold the dynamic symbols. *}
454 . long (*_bfd_get_dynamic_symtab_upper_bound) PARAMS ((bfd *));
455 . {* Read in the dynamic symbols. *}
456 . long (*_bfd_canonicalize_dynamic_symtab)
457 . PARAMS ((bfd *, struct symbol_cache_entry **));
458 . {* Get the amount of memory required to hold the dynamic relocs. *}
459 . long (*_bfd_get_dynamic_reloc_upper_bound) PARAMS ((bfd *));
460 . {* Read in the dynamic relocs. *}
461 . long (*_bfd_canonicalize_dynamic_reloc)
462 . PARAMS ((bfd *, arelent **, struct symbol_cache_entry **));
465 A pointer to an alternative bfd_target in case the current one is not
466 satisfactory. This can happen when the target cpu supports both big
467 and little endian code, and target chosen by the linker has the wrong
468 endianness. The function open_output() in ld/ldlang.c uses this field
469 to find an alternative output format that is suitable.
471 . {* Opposite endian version of this target. *}
472 . const struct bfd_target * alternative_target;
475 Data for use by back-end routines, which isn't generic enough to belong
484 /* All known xvecs (even those that don't compile on all systems).
485 Alphabetized for easy reference.
486 They are listed a second time below, since
487 we can't intermix extern's and initializers. */
488 extern const bfd_target a29kcoff_big_vec;
489 extern const bfd_target a_out_adobe_vec;
490 extern const bfd_target aout_arm_big_vec;
491 extern const bfd_target aout_arm_little_vec;
492 extern const bfd_target aout_mips_big_vec;
493 extern const bfd_target aout_mips_little_vec;
494 extern const bfd_target aout0_big_vec;
495 extern const bfd_target apollocoff_vec;
496 extern const bfd_target armcoff_little_vec;
497 extern const bfd_target armcoff_big_vec;
498 extern const bfd_target armnetbsd_vec;
499 extern const bfd_target armpe_little_vec;
500 extern const bfd_target armpe_big_vec;
501 extern const bfd_target armpei_little_vec;
502 extern const bfd_target armpei_big_vec;
503 extern const bfd_target arm_epoc_pe_little_vec;
504 extern const bfd_target arm_epoc_pe_big_vec;
505 extern const bfd_target arm_epoc_pei_little_vec;
506 extern const bfd_target arm_epoc_pei_big_vec;
507 extern const bfd_target b_out_vec_big_host;
508 extern const bfd_target b_out_vec_little_host;
509 extern const bfd_target bfd_efi_app_ia32_vec;
510 extern const bfd_target bfd_efi_app_ia64_vec;
511 extern const bfd_target bfd_elf64_alpha_vec;
512 extern const bfd_target bfd_elf64_hppa_vec;
513 extern const bfd_target bfd_elf64_ia64_little_vec;
514 extern const bfd_target bfd_elf64_ia64_big_vec;
515 extern const bfd_target bfd_elf32_ia64_big_vec;
516 extern const bfd_target bfd_elf32_avr_vec;
517 extern const bfd_target bfd_elf32_bigarc_vec;
518 extern const bfd_target bfd_elf32_bigarm_vec;
519 extern const bfd_target bfd_elf32_bigarm_oabi_vec;
520 extern const bfd_target bfd_elf32_littlearc_vec;
521 extern const bfd_target bfd_elf32_littlearm_vec;
522 extern const bfd_target bfd_elf32_littlearm_oabi_vec;
523 extern const bfd_target bfd_elf32_big_generic_vec;
524 extern const bfd_target bfd_elf32_bigmips_vec;
525 extern const bfd_target bfd_elf64_bigmips_vec;
526 extern const bfd_target bfd_elf32_cris_vec;
527 extern const bfd_target bfd_elf32_us_cris_vec;
528 extern const bfd_target bfd_elf32_d10v_vec;
529 extern const bfd_target bfd_elf32_d30v_vec;
530 extern const bfd_target bfd_elf32_hppa_vec;
531 extern const bfd_target bfd_elf32_i370_vec;
532 extern const bfd_target bfd_elf32_i386_vec;
533 extern const bfd_target bfd_elf32_i860_vec;
534 extern const bfd_target bfd_elf32_i860_little_vec;
535 extern const bfd_target bfd_elf32_i960_vec;
536 extern const bfd_target bfd_elf32_little_generic_vec;
537 extern const bfd_target bfd_elf32_littlemips_vec;
538 extern const bfd_target bfd_elf64_littlemips_vec;
539 extern const bfd_target bfd_elf32_m32r_vec;
540 extern const bfd_target bfd_elf32_m68hc11_vec;
541 extern const bfd_target bfd_elf32_m68hc12_vec;
542 extern const bfd_target bfd_elf32_m68k_vec;
543 extern const bfd_target bfd_elf32_m88k_vec;
544 extern const bfd_target bfd_elf32_mn10200_vec;
545 extern const bfd_target bfd_elf32_mn10300_vec;
546 extern const bfd_target bfd_elf32_pj_vec;
547 extern const bfd_target bfd_elf32_pjl_vec;
548 extern const bfd_target bfd_elf32_powerpc_vec;
549 extern const bfd_target bfd_elf32_powerpcle_vec;
550 extern const bfd_target bfd_elf32_sh_vec;
551 extern const bfd_target bfd_elf32_shl_vec;
552 extern const bfd_target bfd_elf32_shlin_vec;
553 extern const bfd_target bfd_elf32_shblin_vec;
554 extern const bfd_target bfd_elf32_sparc_vec;
555 extern const bfd_target bfd_elf64_x86_64_vec;
556 extern const bfd_target bfd_elf32_tradbigmips_vec;
557 extern const bfd_target bfd_elf32_tradlittlemips_vec;
558 extern const bfd_target bfd_elf32_v850_vec;
559 extern const bfd_target bfd_elf32_fr30_vec;
560 extern const bfd_target bfd_elf32_mcore_big_vec;
561 extern const bfd_target bfd_elf32_mcore_little_vec;
562 extern const bfd_target bfd_elf64_big_generic_vec;
563 extern const bfd_target bfd_elf64_little_generic_vec;
564 extern const bfd_target bfd_elf64_sparc_vec;
565 extern const bfd_target cris_aout_vec;
566 extern const bfd_target demo_64_vec;
567 extern const bfd_target ecoff_big_vec;
568 extern const bfd_target ecoff_little_vec;
569 extern const bfd_target ecoff_biglittle_vec;
570 extern const bfd_target ecoffalpha_little_vec;
571 extern const bfd_target h8300coff_vec;
572 extern const bfd_target h8500coff_vec;
573 extern const bfd_target host_aout_vec;
574 extern const bfd_target hp300bsd_vec;
575 extern const bfd_target hp300hpux_vec;
576 extern const bfd_target som_vec;
577 extern const bfd_target i386aout_vec;
578 extern const bfd_target i386bsd_vec;
579 extern const bfd_target i386dynix_vec;
580 extern const bfd_target i386freebsd_vec;
581 extern const bfd_target i386os9k_vec;
582 extern const bfd_target i386coff_vec;
583 extern const bfd_target bfd_powerpc_pe_vec;
584 extern const bfd_target bfd_powerpcle_pe_vec;
585 extern const bfd_target bfd_powerpc_pei_vec;
586 extern const bfd_target bfd_powerpcle_pei_vec;
587 extern const bfd_target i386pe_vec;
588 extern const bfd_target i386pei_vec;
589 extern const bfd_target go32coff_vec;
590 extern const bfd_target go32stubbedcoff_vec;
591 extern const bfd_target i386linux_vec;
592 extern const bfd_target i386lynx_aout_vec;
593 extern const bfd_target i386lynx_coff_vec;
594 extern const bfd_target i386mach3_vec;
595 extern const bfd_target i386msdos_vec;
596 extern const bfd_target i386netbsd_vec;
597 extern const bfd_target i860coff_vec;
598 extern const bfd_target icoff_big_vec;
599 extern const bfd_target icoff_little_vec;
600 extern const bfd_target ieee_vec;
601 extern const bfd_target m68kaux_coff_vec;
602 extern const bfd_target m68kcoff_vec;
603 extern const bfd_target m68kcoffun_vec;
604 extern const bfd_target m68klinux_vec;
605 extern const bfd_target m68klynx_aout_vec;
606 extern const bfd_target m68klynx_coff_vec;
607 extern const bfd_target m68knetbsd_vec;
608 extern const bfd_target m68ksysvcoff_vec;
609 extern const bfd_target m68k4knetbsd_vec;
610 extern const bfd_target m88kbcs_vec;
611 extern const bfd_target m88kmach3_vec;
612 extern const bfd_target mipslpe_vec;
613 extern const bfd_target mipslpei_vec;
614 extern const bfd_target mcore_pe_big_vec;
615 extern const bfd_target mcore_pe_little_vec;
616 extern const bfd_target mcore_pei_big_vec;
617 extern const bfd_target mcore_pei_little_vec;
618 extern const bfd_target newsos3_vec;
619 extern const bfd_target nlm32_i386_vec;
620 extern const bfd_target nlm32_sparc_vec;
621 extern const bfd_target nlm32_alpha_vec;
622 extern const bfd_target nlm32_powerpc_vec;
623 extern const bfd_target pc532netbsd_vec;
624 extern const bfd_target oasys_vec;
625 extern const bfd_target pc532machaout_vec;
626 extern const bfd_target ppcboot_vec;
627 extern const bfd_target riscix_vec;
628 extern const bfd_target pmac_xcoff_vec;
629 extern const bfd_target rs6000coff_vec;
630 extern const bfd_target rs6000coff64_vec;
631 extern const bfd_target shcoff_vec;
632 extern const bfd_target shlcoff_vec;
633 extern const bfd_target shcoff_small_vec;
634 extern const bfd_target shlcoff_small_vec;
635 extern const bfd_target shlpe_vec;
636 extern const bfd_target shlpei_vec;
637 extern const bfd_target sparcle_aout_vec;
638 extern const bfd_target sparclinux_vec;
639 extern const bfd_target sparclynx_aout_vec;
640 extern const bfd_target sparclynx_coff_vec;
641 extern const bfd_target sparcnetbsd_vec;
642 extern const bfd_target sparccoff_vec;
643 extern const bfd_target sunos_big_vec;
644 extern const bfd_target tekhex_vec;
645 extern const bfd_target tic30_aout_vec;
646 extern const bfd_target tic30_coff_vec;
647 extern const bfd_target tic54x_coff0_vec;
648 extern const bfd_target tic54x_coff0_beh_vec;
649 extern const bfd_target tic54x_coff1_vec;
650 extern const bfd_target tic54x_coff1_beh_vec;
651 extern const bfd_target tic54x_coff2_vec;
652 extern const bfd_target tic54x_coff2_beh_vec;
653 extern const bfd_target tic80coff_vec;
654 extern const bfd_target vaxnetbsd_vec;
655 extern const bfd_target versados_vec;
656 extern const bfd_target vms_alpha_vec;
657 extern const bfd_target vms_vax_vec;
658 extern const bfd_target we32kcoff_vec;
659 extern const bfd_target w65_vec;
660 extern const bfd_target z8kcoff_vec;
662 /* srec is always included. */
663 extern const bfd_target srec_vec;
664 extern const bfd_target symbolsrec_vec;
666 /* binary is always included. */
667 extern const bfd_target binary_vec;
669 /* ihex is always included. */
670 extern const bfd_target ihex_vec;
672 /* All of the xvecs for core files. */
673 extern const bfd_target aix386_core_vec;
674 extern const bfd_target cisco_core_big_vec;
675 extern const bfd_target cisco_core_little_vec;
676 extern const bfd_target hpux_core_vec;
677 extern const bfd_target hppabsd_core_vec;
678 extern const bfd_target irix_core_vec;
679 extern const bfd_target netbsd_core_vec;
680 extern const bfd_target osf_core_vec;
681 extern const bfd_target sco5_core_vec;
682 extern const bfd_target trad_core_vec;
683 extern const bfd_target ptrace_core_vec;
685 const bfd_target * const bfd_target_vector[] = {
691 #else /* not SELECT_VECS */
693 #ifdef DEFAULT_VECTOR
696 /* This list is alphabetized to make it easy to compare
697 with other vector lists -- the decls above and
698 the case statement in configure.in.
699 Vectors that don't compile on all systems, or aren't finished,
700 should have an entry here with #if 0 around it, to show that
701 it wasn't omitted by mistake. */
704 #if 0 /* No one seems to use this. */
707 &aout_mips_little_vec,
709 &b_out_vec_little_host,
711 &bfd_efi_app_ia32_vec,
713 &bfd_efi_app_ia64_vec,
716 /* This, and other vectors, may not be used in any *.mt configuration.
717 But that does not mean they are unnecessary. If configured with
718 --enable-targets=all, objdump or gdb should be able to examine
719 the file even if we don't recognize the machine type. */
720 &bfd_elf32_big_generic_vec,
722 &bfd_elf64_alpha_vec,
724 &bfd_elf64_ia64_little_vec,
725 &bfd_elf64_ia64_big_vec,
728 &bfd_elf32_bigarc_vec,
729 &bfd_elf32_bigarm_vec,
730 &bfd_elf32_bigarm_oabi_vec,
731 &bfd_elf32_bigmips_vec,
733 &bfd_elf64_bigmips_vec,
736 &bfd_elf32_us_cris_vec,
743 &bfd_elf64_x86_64_vec,
746 &bfd_elf32_i860_little_vec,
748 &bfd_elf32_little_generic_vec,
749 &bfd_elf32_littlearc_vec,
750 &bfd_elf32_littlearm_vec,
751 &bfd_elf32_littlearm_oabi_vec,
752 &bfd_elf32_littlemips_vec,
754 &bfd_elf64_littlemips_vec,
757 &bfd_elf32_mn10200_vec,
758 &bfd_elf32_mn10300_vec,
759 &bfd_elf32_m68hc11_vec,
760 &bfd_elf32_m68hc12_vec,
763 &bfd_elf32_sparc_vec,
766 &bfd_elf32_powerpc_vec,
767 &bfd_elf32_powerpcle_vec,
770 &bfd_elf32_mcore_big_vec,
771 &bfd_elf32_mcore_little_vec,
772 &bfd_elf32_tradbigmips_vec,
773 &bfd_elf32_tradlittlemips_vec,
774 #ifdef BFD64 /* No one seems to use this. */
775 &bfd_elf64_big_generic_vec,
776 &bfd_elf64_little_generic_vec,
779 &bfd_elf64_sparc_vec,
781 /* We don't include cisco_core_*_vec. Although it has a magic number,
782 the magic number isn't at the beginning of the file, and thus
783 might spuriously match other kinds of files. */
787 &demo_64_vec, /* Only compiled if host has long-long support */
791 &ecoff_biglittle_vec,
793 &ecoffalpha_little_vec,
798 /* Since a.out files lack decent magic numbers, no way to recognize
799 which kind of a.out file it is. */
802 #if 0 /* Clashes with sunos_big_vec magic no. */
806 #if defined (HOST_HPPAHPUX) || defined (HOST_HPPABSD) || defined (HOST_HPPAOSF)
815 &bfd_powerpcle_pe_vec,
816 &bfd_powerpc_pei_vec,
817 &bfd_powerpcle_pei_vec,
819 &go32stubbedcoff_vec,
821 /* Since a.out files lack decent magic numbers, no way to recognize
822 which kind of a.out file it is. */
828 /* No distinguishing features for Mach 3 executables. */
843 &arm_epoc_pe_little_vec,
844 &arm_epoc_pe_big_vec,
845 &arm_epoc_pei_little_vec,
846 &arm_epoc_pei_big_vec,
853 /* Since a.out files lack decent magic numbers, no way to recognize
854 which kind of a.out file it is. */
864 &mcore_pe_little_vec,
866 &mcore_pei_little_vec,
875 /* We have no oasys tools anymore, so we can't test any of this
876 anymore. If you want to test the stuff yourself, go ahead...
878 Worse, since there is no magic number for archives, there
879 can be annoying target mis-matches. */
884 /* We have no way of distinguishing these from other a.out variants */
886 &aout_arm_little_vec,
890 /* This has the same magic number as RS/6000. */
912 &tic54x_coff0_beh_vec,
914 &tic54x_coff1_beh_vec,
916 &tic54x_coff2_beh_vec,
927 #endif /* not SELECT_VECS */
929 /* Always support S-records, for convenience. */
934 /* Likewise for binary output. */
936 /* Likewise for ihex. */
939 /* Add any required traditional-core-file-handler. */
970 NULL /* end of list marker */
973 /* bfd_default_vector[0] contains either the address of the default vector,
974 if there is one, or zero if there isn't. */
976 const bfd_target *bfd_default_vector[] = {
977 #ifdef DEFAULT_VECTOR
983 /* When there is an ambiguous match, bfd_check_format_matches puts the
984 names of the matching targets in an array. This variable is the maximum
985 number of entries that the array could possibly need. */
986 const size_t _bfd_target_vector_entries = sizeof(bfd_target_vector)/sizeof(*bfd_target_vector);
988 /* This array maps configuration triplets onto BFD vectors. */
992 /* The configuration triplet. */
994 /* The BFD vector. If this is NULL, then the vector is found by
995 searching forward for the next structure with a non NULL vector
997 const bfd_target *vector;
1000 /* targmatch.h is built by Makefile out of config.bfd. */
1001 static const struct targmatch bfd_target_match[] = {
1002 #include "targmatch.h"
1006 static const bfd_target *find_target PARAMS ((const char *));
1008 /* Find a target vector, given a name or configuration triplet. */
1010 static const bfd_target *
1014 const bfd_target * const *target;
1015 const struct targmatch *match;
1017 for (target = &bfd_target_vector[0]; *target != NULL; target++)
1018 if (strcmp (name, (*target)->name) == 0)
1021 /* If we couldn't match on the exact name, try matching on the
1022 configuration triplet. FIXME: We should run the triplet through
1023 config.sub first, but that is hard. */
1024 for (match = &bfd_target_match[0]; match->triplet != NULL; match++)
1026 if (fnmatch (match->triplet, name, 0) == 0)
1028 while (match->vector == NULL)
1030 return match->vector;
1035 bfd_set_error (bfd_error_invalid_target);
1041 bfd_set_default_target
1044 boolean bfd_set_default_target (const char *name);
1047 Set the default target vector to use when recognizing a BFD.
1048 This takes the name of the target, which may be a BFD target
1049 name or a configuration triplet.
1053 bfd_set_default_target (name)
1056 const bfd_target *target;
1058 if (bfd_default_vector[0] != NULL
1059 && strcmp (name, bfd_default_vector[0]->name) == 0)
1062 target = find_target (name);
1066 bfd_default_vector[0] = target;
1075 const bfd_target *bfd_find_target(CONST char *target_name, bfd *abfd);
1078 Return a pointer to the transfer vector for the object target
1079 named @var{target_name}. If @var{target_name} is <<NULL>>, choose the
1080 one in the environment variable <<GNUTARGET>>; if that is null or not
1081 defined, then choose the first entry in the target list.
1082 Passing in the string "default" or setting the environment
1083 variable to "default" will cause the first entry in the target
1084 list to be returned, and "target_defaulted" will be set in the
1085 BFD. This causes <<bfd_check_format>> to loop over all the
1086 targets to find the one that matches the file being read.
1090 bfd_find_target (target_name, abfd)
1091 const char *target_name;
1094 const char *targname;
1095 const bfd_target *target;
1097 if (target_name != NULL)
1098 targname = target_name;
1100 targname = getenv ("GNUTARGET");
1102 /* This is safe; the vector cannot be null */
1103 if (targname == NULL || strcmp (targname, "default") == 0)
1105 abfd->target_defaulted = true;
1106 if (bfd_default_vector[0] != NULL)
1107 abfd->xvec = bfd_default_vector[0];
1109 abfd->xvec = bfd_target_vector[0];
1113 abfd->target_defaulted = false;
1115 target = find_target (targname);
1119 abfd->xvec = target;
1128 const char **bfd_target_list(void);
1131 Return a freshly malloced NULL-terminated
1132 vector of the names of all the valid BFD targets. Do not
1141 #if defined (HOST_HPPAHPUX) && ! defined (__STDC__)
1142 /* The native compiler on the HP9000/700 has a bug which causes it
1143 to loop endlessly when compiling this file. This avoids it. */
1146 const bfd_target * const *target;
1147 CONST char **name_list, **name_ptr;
1149 for (target = &bfd_target_vector[0]; *target != NULL; target++)
1152 name_ptr = name_list = (CONST char **)
1153 bfd_zmalloc ((vec_length + 1) * sizeof (char **));
1155 if (name_list == NULL)
1158 for (target = &bfd_target_vector[0]; *target != NULL; target++)
1159 *(name_ptr++) = (*target)->name;
1166 bfd_seach_for_target
1169 const bfd_target * bfd_search_for_target (int (* search_func)(const bfd_target *, void *), void *);
1172 Return a pointer to the first transfer vector in the list of
1173 transfer vectors maintained by BFD that produces a non-zero
1174 result when passed to the function @var{search_func}. The
1175 parameter @var{data} is passed, unexamined, to the search
1180 bfd_search_for_target (search_func, data)
1181 int (* search_func) PARAMS ((const bfd_target * target, void * data));
1184 const bfd_target * const * target;
1186 for (target = bfd_target_vector; * target != NULL; target ++)
1187 if (search_func (* target, data))