1 /* DO NOT EDIT! -*- buffer-read-only: t -*- This file is automatically 2 generated from "libcoff-in.h" and "coffcode.h". 3 Run "make headers" in your build bfd/ to regenerate. */ 4 5 /* BFD COFF object file private structure. 6 Copyright (C) 1990-2016 Free Software Foundation, Inc. 7 Written by Cygnus Support. 8 9 This file is part of BFD, the Binary File Descriptor library. 10 11 This program is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; either version 3 of the License, or 14 (at your option) any later version. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software 23 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 24 MA 02110-1301, USA. */ 25 26 #include "bfdlink.h" 27 #include "coff-bfd.h" 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 /* Object file tdata; access macros. */ 34 35 #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) 36 #define obj_pe(bfd) (coff_data (bfd)->pe) 37 #define obj_symbols(bfd) (coff_data (bfd)->symbols) 38 #define obj_sym_filepos(bfd) (coff_data (bfd)->sym_filepos) 39 #define obj_relocbase(bfd) (coff_data (bfd)->relocbase) 40 #define obj_raw_syments(bfd) (coff_data (bfd)->raw_syments) 41 #define obj_raw_syment_count(bfd) (coff_data (bfd)->raw_syment_count) 42 #define obj_convert(bfd) (coff_data (bfd)->conversion_table) 43 #define obj_conv_table_size(bfd) (coff_data (bfd)->conv_table_size) 44 #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) 45 #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) 46 #define obj_coff_strings(bfd) (coff_data (bfd)->strings) 47 #define obj_coff_strings_len(bfd) (coff_data (bfd)->strings_len) 48 #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings) 49 #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes) 50 #define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written) 51 #define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map) 52 53 /* `Tdata' information kept for COFF files. */ 54 55 typedef struct coff_tdata 56 { 57 struct coff_symbol_struct *symbols; /* Symtab for input bfd. */ 58 unsigned int *conversion_table; 59 int conv_table_size; 60 file_ptr sym_filepos; 61 62 struct coff_ptr_struct *raw_syments; 63 unsigned long raw_syment_count; 64 65 /* These are only valid once writing has begun. */ 66 unsigned long int relocbase; 67 68 /* These members communicate important constants about the symbol table 69 to GDB's symbol-reading code. These `constants' unfortunately vary 70 from coff implementation to implementation... */ 71 unsigned local_n_btmask; 72 unsigned local_n_btshft; 73 unsigned local_n_tmask; 74 unsigned local_n_tshift; 75 unsigned local_symesz; 76 unsigned local_auxesz; 77 unsigned local_linesz; 78 79 /* The unswapped external symbols. May be NULL. Read by 80 _bfd_coff_get_external_symbols. */ 81 void * external_syms; 82 /* If this is TRUE, the external_syms may not be freed. */ 83 bfd_boolean keep_syms; 84 85 /* The string table. May be NULL. Read by 86 _bfd_coff_read_string_table. */ 87 char *strings; 88 /* The length of the strings table. For error checking. */ 89 bfd_size_type strings_len; 90 /* If this is TRUE, the strings may not be freed. */ 91 bfd_boolean keep_strings; 92 /* If this is TRUE, the strings have been written out already. */ 93 bfd_boolean strings_written; 94 95 /* Is this a PE format coff file? */ 96 int pe; 97 /* Used by the COFF backend linker. */ 98 struct coff_link_hash_entry **sym_hashes; 99 100 /* Used by the pe linker for PowerPC. */ 101 int *local_toc_sym_map; 102 103 struct bfd_link_info *link_info; 104 105 /* Used by coff_find_nearest_line. */ 106 void * line_info; 107 108 /* A place to stash dwarf2 info for this bfd. */ 109 void * dwarf2_find_line_info; 110 111 /* The timestamp from the COFF file header. */ 112 long timestamp; 113 114 /* Copy of some of the f_flags bits in the COFF filehdr structure, 115 used by ARM code. */ 116 flagword flags; 117 118 /* coff-stgo32 EXE stub header after BFD tdata has been allocated. Its data 119 is kept in internal_filehdr.go32stub beforehand. */ 120 char *go32stub; 121 } coff_data_type; 122 123 /* Tdata for pe image files. */ 124 typedef struct pe_tdata 125 { 126 coff_data_type coff; 127 struct internal_extra_pe_aouthdr pe_opthdr; 128 int dll; 129 int has_reloc_section; 130 int dont_strip_reloc; 131 bfd_boolean insert_timestamp; 132 bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); 133 flagword real_flags; 134 135 /* Build-id info. */ 136 struct 137 { 138 bfd_boolean (*after_write_object_contents) (bfd *); 139 const char *style; 140 asection *sec; 141 } build_id; 142 } pe_data_type; 143 144 #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) 145 146 /* Tdata for XCOFF files. */ 147 148 struct xcoff_tdata 149 { 150 /* Basic COFF information. */ 151 coff_data_type coff; 152 153 /* TRUE if this is an XCOFF64 file. */ 154 bfd_boolean xcoff64; 155 156 /* TRUE if a large a.out header should be generated. */ 157 bfd_boolean full_aouthdr; 158 159 /* TOC value. */ 160 bfd_vma toc; 161 162 /* Index of section holding TOC. */ 163 int sntoc; 164 165 /* Index of section holding entry point. */ 166 int snentry; 167 168 /* .text alignment from optional header. */ 169 int text_align_power; 170 171 /* .data alignment from optional header. */ 172 int data_align_power; 173 174 /* modtype from optional header. */ 175 short modtype; 176 177 /* cputype from optional header. */ 178 short cputype; 179 180 /* maxdata from optional header. */ 181 bfd_vma maxdata; 182 183 /* maxstack from optional header. */ 184 bfd_vma maxstack; 185 186 /* Used by the XCOFF backend linker. */ 187 asection **csects; 188 long *debug_indices; 189 unsigned int *lineno_counts; 190 unsigned int import_file_id; 191 }; 192 193 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) 194 195 /* We take the address of the first element of an asymbol to ensure that the 196 macro is only ever applied to an asymbol. */ 197 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) 198 199 /* Tdata for sections in XCOFF files. This is used by the linker. */ 200 201 struct xcoff_section_tdata 202 { 203 /* Used for XCOFF csects created by the linker; points to the real 204 XCOFF section which contains this csect. */ 205 asection *enclosing; 206 /* The lineno_count field for the enclosing section, because we are 207 going to clobber it there. */ 208 unsigned int lineno_count; 209 /* The first and last symbol indices for symbols used by this csect. */ 210 unsigned long first_symndx; 211 unsigned long last_symndx; 212 }; 213 214 /* An accessor macro the xcoff_section_tdata structure. */ 215 #define xcoff_section_data(abfd, sec) \ 216 ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 217 218 /* Tdata for sections in PE files. */ 219 220 struct pei_section_tdata 221 { 222 /* The virtual size of the section. */ 223 bfd_size_type virt_size; 224 /* The PE section flags. */ 225 long pe_flags; 226 }; 227 228 /* An accessor macro for the pei_section_tdata structure. */ 229 #define pei_section_data(abfd, sec) \ 230 ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 231 232 /* COFF linker hash table entries. */ 233 234 struct coff_link_hash_entry 235 { 236 struct bfd_link_hash_entry root; 237 238 /* Symbol index in output file. Set to -1 initially. Set to -2 if 239 there is a reloc against this symbol. */ 240 long indx; 241 242 /* Symbol type. */ 243 unsigned short type; 244 245 /* Symbol class. */ 246 unsigned char symbol_class; 247 248 /* Number of auxiliary entries. */ 249 char numaux; 250 251 /* BFD to take auxiliary entries from. */ 252 bfd *auxbfd; 253 254 /* Pointer to array of auxiliary entries, if any. */ 255 union internal_auxent *aux; 256 257 /* Flag word; legal values follow. */ 258 unsigned short coff_link_hash_flags; 259 /* Symbol is a PE section symbol. */ 260 #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) 261 }; 262 263 /* COFF linker hash table. */ 264 265 struct coff_link_hash_table 266 { 267 struct bfd_link_hash_table root; 268 /* A pointer to information used to link stabs in sections. */ 269 struct stab_info stab_info; 270 }; 271 272 struct coff_reloc_cookie 273 { 274 struct internal_reloc * rels; 275 struct internal_reloc * rel; 276 struct internal_reloc * relend; 277 struct coff_symbol_struct * symbols; /* Symtab for input bfd. */ 278 bfd * abfd; 279 struct coff_link_hash_entry ** sym_hashes; 280 }; 281 282 /* Look up an entry in a COFF linker hash table. */ 283 284 #define coff_link_hash_lookup(table, string, create, copy, follow) \ 285 ((struct coff_link_hash_entry *) \ 286 bfd_link_hash_lookup (&(table)->root, (string), (create), \ 287 (copy), (follow))) 288 289 /* Traverse a COFF linker hash table. */ 290 291 #define coff_link_hash_traverse(table, func, info) \ 292 (bfd_link_hash_traverse \ 293 (&(table)->root, \ 294 (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \ 295 (info))) 296 297 /* Get the COFF linker hash table from a link_info structure. */ 298 299 #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash)) 300 301 /* Functions in coffgen.c. */ 302 extern const bfd_target *coff_object_p 303 (bfd *); 304 extern struct bfd_section *coff_section_from_bfd_index 305 (bfd *, int); 306 extern long coff_get_symtab_upper_bound 307 (bfd *); 308 extern long coff_canonicalize_symtab 309 (bfd *, asymbol **); 310 extern int coff_count_linenumbers 311 (bfd *); 312 extern bfd_boolean coff_renumber_symbols 313 (bfd *, int *); 314 extern void coff_mangle_symbols 315 (bfd *); 316 extern bfd_boolean coff_write_symbols 317 (bfd *); 318 extern bfd_boolean coff_write_alien_symbol 319 (bfd *, asymbol *, struct internal_syment *, union internal_auxent *, 320 bfd_vma *, bfd_size_type *, asection **, bfd_size_type *); 321 extern bfd_boolean coff_write_linenumbers 322 (bfd *); 323 extern alent *coff_get_lineno 324 (bfd *, asymbol *); 325 extern asymbol *coff_section_symbol 326 (bfd *, char *); 327 extern bfd_boolean _bfd_coff_get_external_symbols 328 (bfd *); 329 extern const char *_bfd_coff_read_string_table 330 (bfd *); 331 extern bfd_boolean _bfd_coff_free_symbols 332 (bfd *); 333 extern struct coff_ptr_struct *coff_get_normalized_symtab 334 (bfd *); 335 extern long coff_get_reloc_upper_bound 336 (bfd *, sec_ptr); 337 extern asymbol *coff_make_empty_symbol 338 (bfd *); 339 extern void coff_print_symbol 340 (bfd *, void * filep, asymbol *, bfd_print_symbol_type); 341 extern void coff_get_symbol_info 342 (bfd *, asymbol *, symbol_info *ret); 343 #define coff_get_symbol_version_string \ 344 _bfd_nosymbols_get_symbol_version_string 345 extern bfd_boolean _bfd_coff_is_local_label_name 346 (bfd *, const char *); 347 extern asymbol *coff_bfd_make_debug_symbol 348 (bfd *, void *, unsigned long); 349 extern bfd_boolean coff_find_nearest_line 350 (bfd *, asymbol **, asection *, bfd_vma, 351 const char **, const char **, unsigned int *, unsigned int *); 352 #define coff_find_line _bfd_nosymbols_find_line 353 struct dwarf_debug_section; 354 extern bfd_boolean coff_find_nearest_line_with_names 355 (bfd *, asymbol **, asection *, bfd_vma, const char **, const char **, 356 unsigned int *, const struct dwarf_debug_section *); 357 extern bfd_boolean coff_find_inliner_info 358 (bfd *, const char **, const char **, unsigned int *); 359 extern int coff_sizeof_headers 360 (bfd *, struct bfd_link_info *); 361 extern bfd_boolean bfd_coff_reloc16_relax_section 362 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); 363 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents 364 (bfd *, struct bfd_link_info *, struct bfd_link_order *, 365 bfd_byte *, bfd_boolean, asymbol **); 366 extern bfd_vma bfd_coff_reloc16_get_value 367 (arelent *, struct bfd_link_info *, asection *); 368 extern void bfd_perform_slip 369 (bfd *, unsigned int, asection *, bfd_vma); 370 371 /* Functions and types in cofflink.c. */ 372 373 #define STRING_SIZE_SIZE 4 374 375 /* We use a hash table to merge identical enum, struct, and union 376 definitions in the linker. */ 377 378 /* Information we keep for a single element (an enum value, a 379 structure or union field) in the debug merge hash table. */ 380 381 struct coff_debug_merge_element 382 { 383 /* Next element. */ 384 struct coff_debug_merge_element *next; 385 386 /* Name. */ 387 const char *name; 388 389 /* Type. */ 390 unsigned int type; 391 392 /* Symbol index for complex type. */ 393 long tagndx; 394 }; 395 396 /* A linked list of debug merge entries for a given name. */ 397 398 struct coff_debug_merge_type 399 { 400 /* Next type with the same name. */ 401 struct coff_debug_merge_type *next; 402 403 /* Class of type. */ 404 int type_class; 405 406 /* Symbol index where this type is defined. */ 407 long indx; 408 409 /* List of elements. */ 410 struct coff_debug_merge_element *elements; 411 }; 412 413 /* Information we store in the debug merge hash table. */ 414 415 struct coff_debug_merge_hash_entry 416 { 417 struct bfd_hash_entry root; 418 419 /* A list of types with this name. */ 420 struct coff_debug_merge_type *types; 421 }; 422 423 /* The debug merge hash table. */ 424 425 struct coff_debug_merge_hash_table 426 { 427 struct bfd_hash_table root; 428 }; 429 430 /* Initialize a COFF debug merge hash table. */ 431 432 #define coff_debug_merge_hash_table_init(table) \ 433 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ 434 sizeof (struct coff_debug_merge_hash_entry))) 435 436 /* Free a COFF debug merge hash table. */ 437 438 #define coff_debug_merge_hash_table_free(table) \ 439 (bfd_hash_table_free (&(table)->root)) 440 441 /* Look up an entry in a COFF debug merge hash table. */ 442 443 #define coff_debug_merge_hash_lookup(table, string, create, copy) \ 444 ((struct coff_debug_merge_hash_entry *) \ 445 bfd_hash_lookup (&(table)->root, (string), (create), (copy))) 446 447 /* Information we keep for each section in the output file when doing 448 a relocatable link. */ 449 450 struct coff_link_section_info 451 { 452 /* The relocs to be output. */ 453 struct internal_reloc *relocs; 454 /* For each reloc against a global symbol whose index was not known 455 when the reloc was handled, the global hash table entry. */ 456 struct coff_link_hash_entry **rel_hashes; 457 }; 458 459 /* Information that we pass around while doing the final link step. */ 460 461 struct coff_final_link_info 462 { 463 /* General link information. */ 464 struct bfd_link_info *info; 465 /* Output BFD. */ 466 bfd *output_bfd; 467 /* Used to indicate failure in traversal routine. */ 468 bfd_boolean failed; 469 /* If doing "task linking" set only during the time when we want the 470 global symbol writer to convert the storage class of defined global 471 symbols from global to static. */ 472 bfd_boolean global_to_static; 473 /* Hash table for long symbol names. */ 474 struct bfd_strtab_hash *strtab; 475 /* When doing a relocatable link, an array of information kept for 476 each output section, indexed by the target_index field. */ 477 struct coff_link_section_info *section_info; 478 /* Symbol index of last C_FILE symbol (-1 if none). */ 479 long last_file_index; 480 /* Contents of last C_FILE symbol. */ 481 struct internal_syment last_file; 482 /* Symbol index of first aux entry of last .bf symbol with an empty 483 endndx field (-1 if none). */ 484 long last_bf_index; 485 /* Contents of last_bf_index aux entry. */ 486 union internal_auxent last_bf; 487 /* Hash table used to merge debug information. */ 488 struct coff_debug_merge_hash_table debug_merge; 489 /* Buffer large enough to hold swapped symbols of any input file. */ 490 struct internal_syment *internal_syms; 491 /* Buffer large enough to hold sections of symbols of any input file. */ 492 asection **sec_ptrs; 493 /* Buffer large enough to hold output indices of symbols of any 494 input file. */ 495 long *sym_indices; 496 /* Buffer large enough to hold output symbols for any input file. */ 497 bfd_byte *outsyms; 498 /* Buffer large enough to hold external line numbers for any input 499 section. */ 500 bfd_byte *linenos; 501 /* Buffer large enough to hold any input section. */ 502 bfd_byte *contents; 503 /* Buffer large enough to hold external relocs of any input section. */ 504 bfd_byte *external_relocs; 505 /* Buffer large enough to hold swapped relocs of any input section. */ 506 struct internal_reloc *internal_relocs; 507 }; 508 509 /* Most COFF variants have no way to record the alignment of a 510 section. This struct is used to set a specific alignment based on 511 the name of the section. */ 512 513 struct coff_section_alignment_entry 514 { 515 /* The section name. */ 516 const char *name; 517 518 /* This is either (unsigned int) -1, indicating that the section 519 name must match exactly, or it is the number of letters which 520 must match at the start of the name. */ 521 unsigned int comparison_length; 522 523 /* These macros may be used to fill in the first two fields in a 524 structure initialization. */ 525 #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) 526 #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) 527 528 /* Only use this entry if the default section alignment for this 529 target is at least that much (as a power of two). If this field 530 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 531 unsigned int default_alignment_min; 532 533 /* Only use this entry if the default section alignment for this 534 target is no greater than this (as a power of two). If this 535 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 536 unsigned int default_alignment_max; 537 538 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) 539 540 /* The desired alignment for this section (as a power of two). */ 541 unsigned int alignment_power; 542 }; 543 544 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc 545 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 546 extern bfd_boolean _bfd_coff_link_hash_table_init 547 (struct coff_link_hash_table *, bfd *, 548 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 549 struct bfd_hash_table *, 550 const char *), 551 unsigned int); 552 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create 553 (bfd *); 554 extern const char *_bfd_coff_internal_syment_name 555 (bfd *, const struct internal_syment *, char *); 556 extern bfd_boolean _bfd_coff_section_already_linked 557 (bfd *, asection *, struct bfd_link_info *); 558 extern bfd_boolean _bfd_coff_link_add_symbols 559 (bfd *, struct bfd_link_info *); 560 extern bfd_boolean _bfd_coff_final_link 561 (bfd *, struct bfd_link_info *); 562 extern struct internal_reloc *_bfd_coff_read_internal_relocs 563 (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, 564 struct internal_reloc *); 565 extern bfd_boolean _bfd_coff_generic_relocate_section 566 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 567 struct internal_reloc *, struct internal_syment *, asection **); 568 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc 569 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 570 extern bfd_boolean _bfd_coff_write_global_sym 571 (struct bfd_hash_entry *, void *); 572 extern bfd_boolean _bfd_coff_write_task_globals 573 (struct coff_link_hash_entry *, void *); 574 extern bfd_boolean _bfd_coff_link_input_bfd 575 (struct coff_final_link_info *, bfd *); 576 extern bfd_boolean _bfd_coff_reloc_link_order 577 (bfd *, struct coff_final_link_info *, asection *, 578 struct bfd_link_order *); 579 extern bfd_boolean bfd_coff_gc_sections 580 (bfd *, struct bfd_link_info *); 581 582 583 #define coff_get_section_contents_in_window \ 584 _bfd_generic_get_section_contents_in_window 585 586 /* Functions in xcofflink.c. */ 587 588 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound 589 (bfd *); 590 extern long _bfd_xcoff_canonicalize_dynamic_symtab 591 (bfd *, asymbol **); 592 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound 593 (bfd *); 594 extern long _bfd_xcoff_canonicalize_dynamic_reloc 595 (bfd *, arelent **, asymbol **); 596 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create 597 (bfd *); 598 extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols 599 (bfd *, struct bfd_link_info *); 600 extern bfd_boolean _bfd_xcoff_bfd_final_link 601 (bfd *, struct bfd_link_info *); 602 extern bfd_boolean _bfd_xcoff_define_common_symbol 603 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 604 extern bfd_boolean _bfd_ppc_xcoff_relocate_section 605 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 606 struct internal_reloc *, struct internal_syment *, asection **); 607 608 /* Functions in coff-ppc.c. FIXME: These are called by pe.em in the 609 linker, and so should start with bfd and be declared in bfd.h. */ 610 611 extern bfd_boolean ppc_allocate_toc_section 612 (struct bfd_link_info *); 613 extern bfd_boolean ppc_process_before_allocation 614 (bfd *, struct bfd_link_info *); 615 /* Extracted from coffcode.h. */ 616 617 typedef struct coff_ptr_struct 618 { 619 /* Remembers the offset from the first symbol in the file for 620 this symbol. Generated by coff_renumber_symbols. */ 621 unsigned int offset; 622 623 /* Should the value of this symbol be renumbered. Used for 624 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ 625 unsigned int fix_value : 1; 626 627 /* Should the tag field of this symbol be renumbered. 628 Created by coff_pointerize_aux. */ 629 unsigned int fix_tag : 1; 630 631 /* Should the endidx field of this symbol be renumbered. 632 Created by coff_pointerize_aux. */ 633 unsigned int fix_end : 1; 634 635 /* Should the x_csect.x_scnlen field be renumbered. 636 Created by coff_pointerize_aux. */ 637 unsigned int fix_scnlen : 1; 638 639 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the 640 index into the line number entries. Set by coff_slurp_symbol_table. */ 641 unsigned int fix_line : 1; 642 643 /* The container for the symbol structure as read and translated 644 from the file. */ 645 union 646 { 647 union internal_auxent auxent; 648 struct internal_syment syment; 649 } u; 650 651 /* Selector for the union above. */ 652 bfd_boolean is_sym; 653 } combined_entry_type; 654 655 656 /* Each canonical asymbol really looks like this: */ 657 658 typedef struct coff_symbol_struct 659 { 660 /* The actual symbol which the rest of BFD works with */ 661 asymbol symbol; 662 663 /* A pointer to the hidden information for this symbol */ 664 combined_entry_type *native; 665 666 /* A pointer to the linenumber information for this symbol */ 667 struct lineno_cache_entry *lineno; 668 669 /* Have the line numbers been relocated yet ? */ 670 bfd_boolean done_lineno; 671 } coff_symbol_type; 672 /* COFF symbol classifications. */ 673 674 enum coff_symbol_classification 675 { 676 /* Global symbol. */ 677 COFF_SYMBOL_GLOBAL, 678 /* Common symbol. */ 679 COFF_SYMBOL_COMMON, 680 /* Undefined symbol. */ 681 COFF_SYMBOL_UNDEFINED, 682 /* Local symbol. */ 683 COFF_SYMBOL_LOCAL, 684 /* PE section symbol. */ 685 COFF_SYMBOL_PE_SECTION 686 }; 687 688 typedef asection * (*coff_gc_mark_hook_fn) 689 (asection *, struct bfd_link_info *, struct internal_reloc *, 690 struct coff_link_hash_entry *, struct internal_syment *); 691 692 typedef struct 693 { 694 void (*_bfd_coff_swap_aux_in) 695 (bfd *, void *, int, int, int, int, void *); 696 697 void (*_bfd_coff_swap_sym_in) 698 (bfd *, void *, void *); 699 700 void (*_bfd_coff_swap_lineno_in) 701 (bfd *, void *, void *); 702 703 unsigned int (*_bfd_coff_swap_aux_out) 704 (bfd *, void *, int, int, int, int, void *); 705 706 unsigned int (*_bfd_coff_swap_sym_out) 707 (bfd *, void *, void *); 708 709 unsigned int (*_bfd_coff_swap_lineno_out) 710 (bfd *, void *, void *); 711 712 unsigned int (*_bfd_coff_swap_reloc_out) 713 (bfd *, void *, void *); 714 715 unsigned int (*_bfd_coff_swap_filehdr_out) 716 (bfd *, void *, void *); 717 718 unsigned int (*_bfd_coff_swap_aouthdr_out) 719 (bfd *, void *, void *); 720 721 unsigned int (*_bfd_coff_swap_scnhdr_out) 722 (bfd *, void *, void *); 723 724 unsigned int _bfd_filhsz; 725 unsigned int _bfd_aoutsz; 726 unsigned int _bfd_scnhsz; 727 unsigned int _bfd_symesz; 728 unsigned int _bfd_auxesz; 729 unsigned int _bfd_relsz; 730 unsigned int _bfd_linesz; 731 unsigned int _bfd_filnmlen; 732 bfd_boolean _bfd_coff_long_filenames; 733 734 bfd_boolean _bfd_coff_long_section_names; 735 bfd_boolean (*_bfd_coff_set_long_section_names) 736 (bfd *, int); 737 738 unsigned int _bfd_coff_default_section_alignment_power; 739 bfd_boolean _bfd_coff_force_symnames_in_strings; 740 unsigned int _bfd_coff_debug_string_prefix_length; 741 unsigned int _bfd_coff_max_nscns; 742 743 void (*_bfd_coff_swap_filehdr_in) 744 (bfd *, void *, void *); 745 746 void (*_bfd_coff_swap_aouthdr_in) 747 (bfd *, void *, void *); 748 749 void (*_bfd_coff_swap_scnhdr_in) 750 (bfd *, void *, void *); 751 752 void (*_bfd_coff_swap_reloc_in) 753 (bfd *abfd, void *, void *); 754 755 bfd_boolean (*_bfd_coff_bad_format_hook) 756 (bfd *, void *); 757 758 bfd_boolean (*_bfd_coff_set_arch_mach_hook) 759 (bfd *, void *); 760 761 void * (*_bfd_coff_mkobject_hook) 762 (bfd *, void *, void *); 763 764 bfd_boolean (*_bfd_styp_to_sec_flags_hook) 765 (bfd *, void *, const char *, asection *, flagword *); 766 767 void (*_bfd_set_alignment_hook) 768 (bfd *, asection *, void *); 769 770 bfd_boolean (*_bfd_coff_slurp_symbol_table) 771 (bfd *); 772 773 bfd_boolean (*_bfd_coff_symname_in_debug) 774 (bfd *, struct internal_syment *); 775 776 bfd_boolean (*_bfd_coff_pointerize_aux_hook) 777 (bfd *, combined_entry_type *, combined_entry_type *, 778 unsigned int, combined_entry_type *); 779 780 bfd_boolean (*_bfd_coff_print_aux) 781 (bfd *, FILE *, combined_entry_type *, combined_entry_type *, 782 combined_entry_type *, unsigned int); 783 784 void (*_bfd_coff_reloc16_extra_cases) 785 (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, 786 bfd_byte *, unsigned int *, unsigned int *); 787 788 int (*_bfd_coff_reloc16_estimate) 789 (bfd *, asection *, arelent *, unsigned int, 790 struct bfd_link_info *); 791 792 enum coff_symbol_classification (*_bfd_coff_classify_symbol) 793 (bfd *, struct internal_syment *); 794 795 bfd_boolean (*_bfd_coff_compute_section_file_positions) 796 (bfd *); 797 798 bfd_boolean (*_bfd_coff_start_final_link) 799 (bfd *, struct bfd_link_info *); 800 801 bfd_boolean (*_bfd_coff_relocate_section) 802 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 803 struct internal_reloc *, struct internal_syment *, asection **); 804 805 reloc_howto_type *(*_bfd_coff_rtype_to_howto) 806 (bfd *, asection *, struct internal_reloc *, 807 struct coff_link_hash_entry *, struct internal_syment *, 808 bfd_vma *); 809 810 bfd_boolean (*_bfd_coff_adjust_symndx) 811 (bfd *, struct bfd_link_info *, bfd *, asection *, 812 struct internal_reloc *, bfd_boolean *); 813 814 bfd_boolean (*_bfd_coff_link_add_one_symbol) 815 (struct bfd_link_info *, bfd *, const char *, flagword, 816 asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean, 817 struct bfd_link_hash_entry **); 818 819 bfd_boolean (*_bfd_coff_link_output_has_begun) 820 (bfd *, struct coff_final_link_info *); 821 822 bfd_boolean (*_bfd_coff_final_link_postscript) 823 (bfd *, struct coff_final_link_info *); 824 825 bfd_boolean (*_bfd_coff_print_pdata) 826 (bfd *, void *); 827 828 } bfd_coff_backend_data; 829 830 #define coff_backend_info(abfd) \ 831 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) 832 833 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ 834 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) 835 836 #define bfd_coff_swap_sym_in(a,e,i) \ 837 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) 838 839 #define bfd_coff_swap_lineno_in(a,e,i) \ 840 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) 841 842 #define bfd_coff_swap_reloc_out(abfd, i, o) \ 843 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) 844 845 #define bfd_coff_swap_lineno_out(abfd, i, o) \ 846 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) 847 848 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ 849 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) 850 851 #define bfd_coff_swap_sym_out(abfd, i,o) \ 852 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) 853 854 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ 855 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) 856 857 #define bfd_coff_swap_filehdr_out(abfd, i,o) \ 858 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) 859 860 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ 861 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) 862 863 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) 864 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) 865 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) 866 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) 867 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) 868 #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) 869 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) 870 #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) 871 #define bfd_coff_long_filenames(abfd) \ 872 (coff_backend_info (abfd)->_bfd_coff_long_filenames) 873 #define bfd_coff_long_section_names(abfd) \ 874 (coff_backend_info (abfd)->_bfd_coff_long_section_names) 875 #define bfd_coff_set_long_section_names(abfd, enable) \ 876 ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable)) 877 #define bfd_coff_default_section_alignment_power(abfd) \ 878 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) 879 #define bfd_coff_max_nscns(abfd) \ 880 (coff_backend_info (abfd)->_bfd_coff_max_nscns) 881 882 #define bfd_coff_swap_filehdr_in(abfd, i,o) \ 883 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) 884 885 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ 886 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) 887 888 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ 889 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) 890 891 #define bfd_coff_swap_reloc_in(abfd, i, o) \ 892 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) 893 894 #define bfd_coff_bad_format_hook(abfd, filehdr) \ 895 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) 896 897 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ 898 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) 899 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ 900 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ 901 (abfd, filehdr, aouthdr)) 902 903 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ 904 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ 905 (abfd, scnhdr, name, section, flags_ptr)) 906 907 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ 908 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) 909 910 #define bfd_coff_slurp_symbol_table(abfd)\ 911 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) 912 913 #define bfd_coff_symname_in_debug(abfd, sym)\ 914 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) 915 916 #define bfd_coff_force_symnames_in_strings(abfd)\ 917 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) 918 919 #define bfd_coff_debug_string_prefix_length(abfd)\ 920 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) 921 922 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ 923 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ 924 (abfd, file, base, symbol, aux, indaux)) 925 926 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ 927 reloc, data, src_ptr, dst_ptr)\ 928 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ 929 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) 930 931 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ 932 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ 933 (abfd, section, reloc, shrink, link_info)) 934 935 #define bfd_coff_classify_symbol(abfd, sym)\ 936 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ 937 (abfd, sym)) 938 939 #define bfd_coff_compute_section_file_positions(abfd)\ 940 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ 941 (abfd)) 942 943 #define bfd_coff_start_final_link(obfd, info)\ 944 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ 945 (obfd, info)) 946 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ 947 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ 948 (obfd, info, ibfd, o, con, rel, isyms, secs)) 949 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ 950 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ 951 (abfd, sec, rel, h, sym, addendp)) 952 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ 953 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ 954 (obfd, info, ibfd, sec, rel, adjustedp)) 955 #define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ 956 value, string, cp, coll, hashp)\ 957 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ 958 (info, abfd, name, flags, section, value, string, cp, coll, hashp)) 959 960 #define bfd_coff_link_output_has_begun(a,p) \ 961 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p)) 962 #define bfd_coff_final_link_postscript(a,p) \ 963 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p)) 964 965 #define bfd_coff_have_print_pdata(a) \ 966 (coff_backend_info (a)->_bfd_coff_print_pdata) 967 #define bfd_coff_print_pdata(a,p) \ 968 ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p)) 969 970 /* Macro: Returns true if the bfd is a PE executable as opposed to a 971 PE object file. */ 972 #define bfd_pei_p(abfd) \ 973 (CONST_STRNEQ ((abfd)->xvec->name, "pei-")) 974 #ifdef __cplusplus 975 } 976 #endif 977
