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) 1990-2014 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 28 /* Object file tdata; access macros. */ 29 30 #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) 31 #define obj_pe(bfd) (coff_data (bfd)->pe) 32 #define obj_symbols(bfd) (coff_data (bfd)->symbols) 33 #define obj_sym_filepos(bfd) (coff_data (bfd)->sym_filepos) 34 #define obj_relocbase(bfd) (coff_data (bfd)->relocbase) 35 #define obj_raw_syments(bfd) (coff_data (bfd)->raw_syments) 36 #define obj_raw_syment_count(bfd) (coff_data (bfd)->raw_syment_count) 37 #define obj_convert(bfd) (coff_data (bfd)->conversion_table) 38 #define obj_conv_table_size(bfd) (coff_data (bfd)->conv_table_size) 39 #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) 40 #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) 41 #define obj_coff_strings(bfd) (coff_data (bfd)->strings) 42 #define obj_coff_strings_len(bfd) (coff_data (bfd)->strings_len) 43 #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings) 44 #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes) 45 #define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written) 46 #define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map) 47 48 /* `Tdata' information kept for COFF files. */ 49 50 typedef struct coff_tdata 51 { 52 struct coff_symbol_struct *symbols; /* Symtab for input bfd. */ 53 unsigned int *conversion_table; 54 int conv_table_size; 55 file_ptr sym_filepos; 56 57 struct coff_ptr_struct *raw_syments; 58 unsigned long raw_syment_count; 59 60 /* These are only valid once writing has begun. */ 61 unsigned long int relocbase; 62 63 /* These members communicate important constants about the symbol table 64 to GDB's symbol-reading code. These `constants' unfortunately vary 65 from coff implementation to implementation... */ 66 unsigned local_n_btmask; 67 unsigned local_n_btshft; 68 unsigned local_n_tmask; 69 unsigned local_n_tshift; 70 unsigned local_symesz; 71 unsigned local_auxesz; 72 unsigned local_linesz; 73 74 /* The unswapped external symbols. May be NULL. Read by 75 _bfd_coff_get_external_symbols. */ 76 void * external_syms; 77 /* If this is TRUE, the external_syms may not be freed. */ 78 bfd_boolean keep_syms; 79 80 /* The string table. May be NULL. Read by 81 _bfd_coff_read_string_table. */ 82 char *strings; 83 /* The length of the strings table. For error checking. */ 84 bfd_size_type strings_len; 85 /* If this is TRUE, the strings may not be freed. */ 86 bfd_boolean keep_strings; 87 /* If this is TRUE, the strings have been written out already. */ 88 bfd_boolean strings_written; 89 90 /* Is this a PE format coff file? */ 91 int pe; 92 /* Used by the COFF backend linker. */ 93 struct coff_link_hash_entry **sym_hashes; 94 95 /* Used by the pe linker for PowerPC. */ 96 int *local_toc_sym_map; 97 98 struct bfd_link_info *link_info; 99 100 /* Used by coff_find_nearest_line. */ 101 void * line_info; 102 103 /* A place to stash dwarf2 info for this bfd. */ 104 void * dwarf2_find_line_info; 105 106 /* The timestamp from the COFF file header. */ 107 long timestamp; 108 109 /* Copy of some of the f_flags bits in the COFF filehdr structure, 110 used by ARM code. */ 111 flagword flags; 112 113 /* coff-stgo32 EXE stub header after BFD tdata has been allocated. Its data 114 is kept in internal_filehdr.go32stub beforehand. */ 115 char *go32stub; 116 } coff_data_type; 117 118 /* Tdata for pe image files. */ 119 typedef struct pe_tdata 120 { 121 coff_data_type coff; 122 struct internal_extra_pe_aouthdr pe_opthdr; 123 int dll; 124 int has_reloc_section; 125 int dont_strip_reloc; 126 bfd_boolean insert_timestamp; 127 bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); 128 flagword real_flags; 129 130 /* Build-id info. */ 131 struct 132 { 133 bfd_boolean (*after_write_object_contents) (bfd *); 134 const char *style; 135 asection *sec; 136 } build_id; 137 } pe_data_type; 138 139 #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) 140 141 /* Tdata for XCOFF files. */ 142 143 struct xcoff_tdata 144 { 145 /* Basic COFF information. */ 146 coff_data_type coff; 147 148 /* TRUE if this is an XCOFF64 file. */ 149 bfd_boolean xcoff64; 150 151 /* TRUE if a large a.out header should be generated. */ 152 bfd_boolean full_aouthdr; 153 154 /* TOC value. */ 155 bfd_vma toc; 156 157 /* Index of section holding TOC. */ 158 int sntoc; 159 160 /* Index of section holding entry point. */ 161 int snentry; 162 163 /* .text alignment from optional header. */ 164 int text_align_power; 165 166 /* .data alignment from optional header. */ 167 int data_align_power; 168 169 /* modtype from optional header. */ 170 short modtype; 171 172 /* cputype from optional header. */ 173 short cputype; 174 175 /* maxdata from optional header. */ 176 bfd_vma maxdata; 177 178 /* maxstack from optional header. */ 179 bfd_vma maxstack; 180 181 /* Used by the XCOFF backend linker. */ 182 asection **csects; 183 long *debug_indices; 184 unsigned int *lineno_counts; 185 unsigned int import_file_id; 186 }; 187 188 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) 189 190 /* We take the address of the first element of an asymbol to ensure that the 191 macro is only ever applied to an asymbol. */ 192 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) 193 194 /* The used_by_bfd field of a section may be set to a pointer to this 195 structure. */ 196 197 struct coff_section_tdata 198 { 199 /* The relocs, swapped into COFF internal form. This may be NULL. */ 200 struct internal_reloc *relocs; 201 /* If this is TRUE, the relocs entry may not be freed. */ 202 bfd_boolean keep_relocs; 203 /* The section contents. This may be NULL. */ 204 bfd_byte *contents; 205 /* If this is TRUE, the contents entry may not be freed. */ 206 bfd_boolean keep_contents; 207 /* Information cached by coff_find_nearest_line. */ 208 bfd_vma offset; 209 unsigned int i; 210 const char *function; 211 /* Optional information about a COMDAT entry; NULL if not COMDAT. */ 212 struct coff_comdat_info *comdat; 213 int line_base; 214 /* A pointer used for .stab linking optimizations. */ 215 void * stab_info; 216 /* Available for individual backends. */ 217 void * tdata; 218 }; 219 220 /* An accessor macro for the coff_section_tdata structure. */ 221 #define coff_section_data(abfd, sec) \ 222 ((struct coff_section_tdata *) (sec)->used_by_bfd) 223 224 /* Tdata for sections in XCOFF files. This is used by the linker. */ 225 226 struct xcoff_section_tdata 227 { 228 /* Used for XCOFF csects created by the linker; points to the real 229 XCOFF section which contains this csect. */ 230 asection *enclosing; 231 /* The lineno_count field for the enclosing section, because we are 232 going to clobber it there. */ 233 unsigned int lineno_count; 234 /* The first and last symbol indices for symbols used by this csect. */ 235 unsigned long first_symndx; 236 unsigned long last_symndx; 237 }; 238 239 /* An accessor macro the xcoff_section_tdata structure. */ 240 #define xcoff_section_data(abfd, sec) \ 241 ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 242 243 /* Tdata for sections in PE files. */ 244 245 struct pei_section_tdata 246 { 247 /* The virtual size of the section. */ 248 bfd_size_type virt_size; 249 /* The PE section flags. */ 250 long pe_flags; 251 }; 252 253 /* An accessor macro for the pei_section_tdata structure. */ 254 #define pei_section_data(abfd, sec) \ 255 ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 256 257 /* COFF linker hash table entries. */ 258 259 struct coff_link_hash_entry 260 { 261 struct bfd_link_hash_entry root; 262 263 /* Symbol index in output file. Set to -1 initially. Set to -2 if 264 there is a reloc against this symbol. */ 265 long indx; 266 267 /* Symbol type. */ 268 unsigned short type; 269 270 /* Symbol class. */ 271 unsigned char symbol_class; 272 273 /* Number of auxiliary entries. */ 274 char numaux; 275 276 /* BFD to take auxiliary entries from. */ 277 bfd *auxbfd; 278 279 /* Pointer to array of auxiliary entries, if any. */ 280 union internal_auxent *aux; 281 282 /* Flag word; legal values follow. */ 283 unsigned short coff_link_hash_flags; 284 /* Symbol is a PE section symbol. */ 285 #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) 286 }; 287 288 /* COFF linker hash table. */ 289 290 struct coff_link_hash_table 291 { 292 struct bfd_link_hash_table root; 293 /* A pointer to information used to link stabs in sections. */ 294 struct stab_info stab_info; 295 }; 296 297 /* Look up an entry in a COFF linker hash table. */ 298 299 #define coff_link_hash_lookup(table, string, create, copy, follow) \ 300 ((struct coff_link_hash_entry *) \ 301 bfd_link_hash_lookup (&(table)->root, (string), (create), \ 302 (copy), (follow))) 303 304 /* Traverse a COFF linker hash table. */ 305 306 #define coff_link_hash_traverse(table, func, info) \ 307 (bfd_link_hash_traverse \ 308 (&(table)->root, \ 309 (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \ 310 (info))) 311 312 /* Get the COFF linker hash table from a link_info structure. */ 313 314 #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash)) 315 316 /* Functions in coffgen.c. */ 317 extern const bfd_target *coff_object_p 318 (bfd *); 319 extern struct bfd_section *coff_section_from_bfd_index 320 (bfd *, int); 321 extern long coff_get_symtab_upper_bound 322 (bfd *); 323 extern long coff_canonicalize_symtab 324 (bfd *, asymbol **); 325 extern int coff_count_linenumbers 326 (bfd *); 327 extern struct coff_symbol_struct *coff_symbol_from 328 (bfd *, asymbol *); 329 extern bfd_boolean coff_renumber_symbols 330 (bfd *, int *); 331 extern void coff_mangle_symbols 332 (bfd *); 333 extern bfd_boolean coff_write_symbols 334 (bfd *); 335 extern bfd_boolean coff_write_alien_symbol 336 (bfd *, asymbol *, struct internal_syment *, bfd_vma *, 337 bfd_size_type *, asection **, bfd_size_type *); 338 extern bfd_boolean coff_write_linenumbers 339 (bfd *); 340 extern alent *coff_get_lineno 341 (bfd *, asymbol *); 342 extern asymbol *coff_section_symbol 343 (bfd *, char *); 344 extern bfd_boolean _bfd_coff_get_external_symbols 345 (bfd *); 346 extern const char *_bfd_coff_read_string_table 347 (bfd *); 348 extern bfd_boolean _bfd_coff_free_symbols 349 (bfd *); 350 extern struct coff_ptr_struct *coff_get_normalized_symtab 351 (bfd *); 352 extern long coff_get_reloc_upper_bound 353 (bfd *, sec_ptr); 354 extern asymbol *coff_make_empty_symbol 355 (bfd *); 356 extern void coff_print_symbol 357 (bfd *, void * filep, asymbol *, bfd_print_symbol_type); 358 extern void coff_get_symbol_info 359 (bfd *, asymbol *, symbol_info *ret); 360 extern bfd_boolean _bfd_coff_is_local_label_name 361 (bfd *, const char *); 362 extern asymbol *coff_bfd_make_debug_symbol 363 (bfd *, void *, unsigned long); 364 extern bfd_boolean coff_find_nearest_line 365 (bfd *, asymbol **, asection *, bfd_vma, 366 const char **, const char **, unsigned int *, unsigned int *); 367 #define coff_find_line _bfd_nosymbols_find_line 368 struct dwarf_debug_section; 369 extern bfd_boolean coff_find_nearest_line_with_names 370 (bfd *, asymbol **, asection *, bfd_vma, const char **, const char **, 371 unsigned int *, const struct dwarf_debug_section *); 372 extern bfd_boolean coff_find_inliner_info 373 (bfd *, const char **, const char **, unsigned int *); 374 extern int coff_sizeof_headers 375 (bfd *, struct bfd_link_info *); 376 extern bfd_boolean bfd_coff_reloc16_relax_section 377 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); 378 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents 379 (bfd *, struct bfd_link_info *, struct bfd_link_order *, 380 bfd_byte *, bfd_boolean, asymbol **); 381 extern bfd_vma bfd_coff_reloc16_get_value 382 (arelent *, struct bfd_link_info *, asection *); 383 extern void bfd_perform_slip 384 (bfd *, unsigned int, asection *, bfd_vma); 385 386 /* Functions and types in cofflink.c. */ 387 388 #define STRING_SIZE_SIZE 4 389 390 /* We use a hash table to merge identical enum, struct, and union 391 definitions in the linker. */ 392 393 /* Information we keep for a single element (an enum value, a 394 structure or union field) in the debug merge hash table. */ 395 396 struct coff_debug_merge_element 397 { 398 /* Next element. */ 399 struct coff_debug_merge_element *next; 400 401 /* Name. */ 402 const char *name; 403 404 /* Type. */ 405 unsigned int type; 406 407 /* Symbol index for complex type. */ 408 long tagndx; 409 }; 410 411 /* A linked list of debug merge entries for a given name. */ 412 413 struct coff_debug_merge_type 414 { 415 /* Next type with the same name. */ 416 struct coff_debug_merge_type *next; 417 418 /* Class of type. */ 419 int type_class; 420 421 /* Symbol index where this type is defined. */ 422 long indx; 423 424 /* List of elements. */ 425 struct coff_debug_merge_element *elements; 426 }; 427 428 /* Information we store in the debug merge hash table. */ 429 430 struct coff_debug_merge_hash_entry 431 { 432 struct bfd_hash_entry root; 433 434 /* A list of types with this name. */ 435 struct coff_debug_merge_type *types; 436 }; 437 438 /* The debug merge hash table. */ 439 440 struct coff_debug_merge_hash_table 441 { 442 struct bfd_hash_table root; 443 }; 444 445 /* Initialize a COFF debug merge hash table. */ 446 447 #define coff_debug_merge_hash_table_init(table) \ 448 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ 449 sizeof (struct coff_debug_merge_hash_entry))) 450 451 /* Free a COFF debug merge hash table. */ 452 453 #define coff_debug_merge_hash_table_free(table) \ 454 (bfd_hash_table_free (&(table)->root)) 455 456 /* Look up an entry in a COFF debug merge hash table. */ 457 458 #define coff_debug_merge_hash_lookup(table, string, create, copy) \ 459 ((struct coff_debug_merge_hash_entry *) \ 460 bfd_hash_lookup (&(table)->root, (string), (create), (copy))) 461 462 /* Information we keep for each section in the output file when doing 463 a relocatable link. */ 464 465 struct coff_link_section_info 466 { 467 /* The relocs to be output. */ 468 struct internal_reloc *relocs; 469 /* For each reloc against a global symbol whose index was not known 470 when the reloc was handled, the global hash table entry. */ 471 struct coff_link_hash_entry **rel_hashes; 472 }; 473 474 /* Information that we pass around while doing the final link step. */ 475 476 struct coff_final_link_info 477 { 478 /* General link information. */ 479 struct bfd_link_info *info; 480 /* Output BFD. */ 481 bfd *output_bfd; 482 /* Used to indicate failure in traversal routine. */ 483 bfd_boolean failed; 484 /* If doing "task linking" set only during the time when we want the 485 global symbol writer to convert the storage class of defined global 486 symbols from global to static. */ 487 bfd_boolean global_to_static; 488 /* Hash table for long symbol names. */ 489 struct bfd_strtab_hash *strtab; 490 /* When doing a relocatable link, an array of information kept for 491 each output section, indexed by the target_index field. */ 492 struct coff_link_section_info *section_info; 493 /* Symbol index of last C_FILE symbol (-1 if none). */ 494 long last_file_index; 495 /* Contents of last C_FILE symbol. */ 496 struct internal_syment last_file; 497 /* Symbol index of first aux entry of last .bf symbol with an empty 498 endndx field (-1 if none). */ 499 long last_bf_index; 500 /* Contents of last_bf_index aux entry. */ 501 union internal_auxent last_bf; 502 /* Hash table used to merge debug information. */ 503 struct coff_debug_merge_hash_table debug_merge; 504 /* Buffer large enough to hold swapped symbols of any input file. */ 505 struct internal_syment *internal_syms; 506 /* Buffer large enough to hold sections of symbols of any input file. */ 507 asection **sec_ptrs; 508 /* Buffer large enough to hold output indices of symbols of any 509 input file. */ 510 long *sym_indices; 511 /* Buffer large enough to hold output symbols for any input file. */ 512 bfd_byte *outsyms; 513 /* Buffer large enough to hold external line numbers for any input 514 section. */ 515 bfd_byte *linenos; 516 /* Buffer large enough to hold any input section. */ 517 bfd_byte *contents; 518 /* Buffer large enough to hold external relocs of any input section. */ 519 bfd_byte *external_relocs; 520 /* Buffer large enough to hold swapped relocs of any input section. */ 521 struct internal_reloc *internal_relocs; 522 }; 523 524 /* Most COFF variants have no way to record the alignment of a 525 section. This struct is used to set a specific alignment based on 526 the name of the section. */ 527 528 struct coff_section_alignment_entry 529 { 530 /* The section name. */ 531 const char *name; 532 533 /* This is either (unsigned int) -1, indicating that the section 534 name must match exactly, or it is the number of letters which 535 must match at the start of the name. */ 536 unsigned int comparison_length; 537 538 /* These macros may be used to fill in the first two fields in a 539 structure initialization. */ 540 #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) 541 #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) 542 543 /* Only use this entry if the default section alignment for this 544 target is at least that much (as a power of two). If this field 545 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 546 unsigned int default_alignment_min; 547 548 /* Only use this entry if the default section alignment for this 549 target is no greater than this (as a power of two). If this 550 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 551 unsigned int default_alignment_max; 552 553 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) 554 555 /* The desired alignment for this section (as a power of two). */ 556 unsigned int alignment_power; 557 }; 558 559 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc 560 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 561 extern bfd_boolean _bfd_coff_link_hash_table_init 562 (struct coff_link_hash_table *, bfd *, 563 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 564 struct bfd_hash_table *, 565 const char *), 566 unsigned int); 567 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create 568 (bfd *); 569 extern const char *_bfd_coff_internal_syment_name 570 (bfd *, const struct internal_syment *, char *); 571 extern bfd_boolean _bfd_coff_section_already_linked 572 (bfd *, asection *, struct bfd_link_info *); 573 extern bfd_boolean _bfd_coff_link_add_symbols 574 (bfd *, struct bfd_link_info *); 575 extern bfd_boolean _bfd_coff_final_link 576 (bfd *, struct bfd_link_info *); 577 extern struct internal_reloc *_bfd_coff_read_internal_relocs 578 (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, 579 struct internal_reloc *); 580 extern bfd_boolean _bfd_coff_generic_relocate_section 581 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 582 struct internal_reloc *, struct internal_syment *, asection **); 583 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc 584 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 585 extern bfd_boolean _bfd_coff_write_global_sym 586 (struct bfd_hash_entry *, void *); 587 extern bfd_boolean _bfd_coff_write_task_globals 588 (struct coff_link_hash_entry *, void *); 589 extern bfd_boolean _bfd_coff_link_input_bfd 590 (struct coff_final_link_info *, bfd *); 591 extern bfd_boolean _bfd_coff_reloc_link_order 592 (bfd *, struct coff_final_link_info *, asection *, 593 struct bfd_link_order *); 594 595 596 #define coff_get_section_contents_in_window \ 597 _bfd_generic_get_section_contents_in_window 598 599 /* Functions in xcofflink.c. */ 600 601 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound 602 (bfd *); 603 extern long _bfd_xcoff_canonicalize_dynamic_symtab 604 (bfd *, asymbol **); 605 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound 606 (bfd *); 607 extern long _bfd_xcoff_canonicalize_dynamic_reloc 608 (bfd *, arelent **, asymbol **); 609 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create 610 (bfd *); 611 extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols 612 (bfd *, struct bfd_link_info *); 613 extern bfd_boolean _bfd_xcoff_bfd_final_link 614 (bfd *, struct bfd_link_info *); 615 extern bfd_boolean _bfd_xcoff_define_common_symbol 616 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 617 extern bfd_boolean _bfd_ppc_xcoff_relocate_section 618 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 619 struct internal_reloc *, struct internal_syment *, asection **); 620 621 /* Functions in coff-ppc.c. FIXME: These are called by pe.em in the 622 linker, and so should start with bfd and be declared in bfd.h. */ 623 624 extern bfd_boolean ppc_allocate_toc_section 625 (struct bfd_link_info *); 626 extern bfd_boolean ppc_process_before_allocation 627 (bfd *, struct bfd_link_info *); 628 /* Extracted from coffcode.h. */ 629 630 typedef struct coff_ptr_struct 631 { 632 /* Remembers the offset from the first symbol in the file for 633 this symbol. Generated by coff_renumber_symbols. */ 634 unsigned int offset; 635 636 /* Should the value of this symbol be renumbered. Used for 637 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ 638 unsigned int fix_value : 1; 639 640 /* Should the tag field of this symbol be renumbered. 641 Created by coff_pointerize_aux. */ 642 unsigned int fix_tag : 1; 643 644 /* Should the endidx field of this symbol be renumbered. 645 Created by coff_pointerize_aux. */ 646 unsigned int fix_end : 1; 647 648 /* Should the x_csect.x_scnlen field be renumbered. 649 Created by coff_pointerize_aux. */ 650 unsigned int fix_scnlen : 1; 651 652 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the 653 index into the line number entries. Set by coff_slurp_symbol_table. */ 654 unsigned int fix_line : 1; 655 656 /* The container for the symbol structure as read and translated 657 from the file. */ 658 union 659 { 660 union internal_auxent auxent; 661 struct internal_syment syment; 662 } u; 663 664 /* Selector for the union above. */ 665 bfd_boolean is_sym; 666 } combined_entry_type; 667 668 669 /* Each canonical asymbol really looks like this: */ 670 671 typedef struct coff_symbol_struct 672 { 673 /* The actual symbol which the rest of BFD works with */ 674 asymbol symbol; 675 676 /* A pointer to the hidden information for this symbol */ 677 combined_entry_type *native; 678 679 /* A pointer to the linenumber information for this symbol */ 680 struct lineno_cache_entry *lineno; 681 682 /* Have the line numbers been relocated yet ? */ 683 bfd_boolean done_lineno; 684 } coff_symbol_type; 685 /* COFF symbol classifications. */ 686 687 enum coff_symbol_classification 688 { 689 /* Global symbol. */ 690 COFF_SYMBOL_GLOBAL, 691 /* Common symbol. */ 692 COFF_SYMBOL_COMMON, 693 /* Undefined symbol. */ 694 COFF_SYMBOL_UNDEFINED, 695 /* Local symbol. */ 696 COFF_SYMBOL_LOCAL, 697 /* PE section symbol. */ 698 COFF_SYMBOL_PE_SECTION 699 }; 700 701 typedef struct 702 { 703 void (*_bfd_coff_swap_aux_in) 704 (bfd *, void *, int, int, int, int, void *); 705 706 void (*_bfd_coff_swap_sym_in) 707 (bfd *, void *, void *); 708 709 void (*_bfd_coff_swap_lineno_in) 710 (bfd *, void *, void *); 711 712 unsigned int (*_bfd_coff_swap_aux_out) 713 (bfd *, void *, int, int, int, int, void *); 714 715 unsigned int (*_bfd_coff_swap_sym_out) 716 (bfd *, void *, void *); 717 718 unsigned int (*_bfd_coff_swap_lineno_out) 719 (bfd *, void *, void *); 720 721 unsigned int (*_bfd_coff_swap_reloc_out) 722 (bfd *, void *, void *); 723 724 unsigned int (*_bfd_coff_swap_filehdr_out) 725 (bfd *, void *, void *); 726 727 unsigned int (*_bfd_coff_swap_aouthdr_out) 728 (bfd *, void *, void *); 729 730 unsigned int (*_bfd_coff_swap_scnhdr_out) 731 (bfd *, void *, void *); 732 733 unsigned int _bfd_filhsz; 734 unsigned int _bfd_aoutsz; 735 unsigned int _bfd_scnhsz; 736 unsigned int _bfd_symesz; 737 unsigned int _bfd_auxesz; 738 unsigned int _bfd_relsz; 739 unsigned int _bfd_linesz; 740 unsigned int _bfd_filnmlen; 741 bfd_boolean _bfd_coff_long_filenames; 742 743 bfd_boolean _bfd_coff_long_section_names; 744 bfd_boolean (*_bfd_coff_set_long_section_names) 745 (bfd *, int); 746 747 unsigned int _bfd_coff_default_section_alignment_power; 748 bfd_boolean _bfd_coff_force_symnames_in_strings; 749 unsigned int _bfd_coff_debug_string_prefix_length; 750 unsigned int _bfd_coff_max_nscns; 751 752 void (*_bfd_coff_swap_filehdr_in) 753 (bfd *, void *, void *); 754 755 void (*_bfd_coff_swap_aouthdr_in) 756 (bfd *, void *, void *); 757 758 void (*_bfd_coff_swap_scnhdr_in) 759 (bfd *, void *, void *); 760 761 void (*_bfd_coff_swap_reloc_in) 762 (bfd *abfd, void *, void *); 763 764 bfd_boolean (*_bfd_coff_bad_format_hook) 765 (bfd *, void *); 766 767 bfd_boolean (*_bfd_coff_set_arch_mach_hook) 768 (bfd *, void *); 769 770 void * (*_bfd_coff_mkobject_hook) 771 (bfd *, void *, void *); 772 773 bfd_boolean (*_bfd_styp_to_sec_flags_hook) 774 (bfd *, void *, const char *, asection *, flagword *); 775 776 void (*_bfd_set_alignment_hook) 777 (bfd *, asection *, void *); 778 779 bfd_boolean (*_bfd_coff_slurp_symbol_table) 780 (bfd *); 781 782 bfd_boolean (*_bfd_coff_symname_in_debug) 783 (bfd *, struct internal_syment *); 784 785 bfd_boolean (*_bfd_coff_pointerize_aux_hook) 786 (bfd *, combined_entry_type *, combined_entry_type *, 787 unsigned int, combined_entry_type *); 788 789 bfd_boolean (*_bfd_coff_print_aux) 790 (bfd *, FILE *, combined_entry_type *, combined_entry_type *, 791 combined_entry_type *, unsigned int); 792 793 void (*_bfd_coff_reloc16_extra_cases) 794 (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, 795 bfd_byte *, unsigned int *, unsigned int *); 796 797 int (*_bfd_coff_reloc16_estimate) 798 (bfd *, asection *, arelent *, unsigned int, 799 struct bfd_link_info *); 800 801 enum coff_symbol_classification (*_bfd_coff_classify_symbol) 802 (bfd *, struct internal_syment *); 803 804 bfd_boolean (*_bfd_coff_compute_section_file_positions) 805 (bfd *); 806 807 bfd_boolean (*_bfd_coff_start_final_link) 808 (bfd *, struct bfd_link_info *); 809 810 bfd_boolean (*_bfd_coff_relocate_section) 811 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 812 struct internal_reloc *, struct internal_syment *, asection **); 813 814 reloc_howto_type *(*_bfd_coff_rtype_to_howto) 815 (bfd *, asection *, struct internal_reloc *, 816 struct coff_link_hash_entry *, struct internal_syment *, 817 bfd_vma *); 818 819 bfd_boolean (*_bfd_coff_adjust_symndx) 820 (bfd *, struct bfd_link_info *, bfd *, asection *, 821 struct internal_reloc *, bfd_boolean *); 822 823 bfd_boolean (*_bfd_coff_link_add_one_symbol) 824 (struct bfd_link_info *, bfd *, const char *, flagword, 825 asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean, 826 struct bfd_link_hash_entry **); 827 828 bfd_boolean (*_bfd_coff_link_output_has_begun) 829 (bfd *, struct coff_final_link_info *); 830 831 bfd_boolean (*_bfd_coff_final_link_postscript) 832 (bfd *, struct coff_final_link_info *); 833 834 bfd_boolean (*_bfd_coff_print_pdata) 835 (bfd *, void *); 836 837 } bfd_coff_backend_data; 838 839 #define coff_backend_info(abfd) \ 840 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) 841 842 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ 843 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) 844 845 #define bfd_coff_swap_sym_in(a,e,i) \ 846 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) 847 848 #define bfd_coff_swap_lineno_in(a,e,i) \ 849 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) 850 851 #define bfd_coff_swap_reloc_out(abfd, i, o) \ 852 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) 853 854 #define bfd_coff_swap_lineno_out(abfd, i, o) \ 855 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) 856 857 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ 858 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) 859 860 #define bfd_coff_swap_sym_out(abfd, i,o) \ 861 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) 862 863 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ 864 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) 865 866 #define bfd_coff_swap_filehdr_out(abfd, i,o) \ 867 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) 868 869 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ 870 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) 871 872 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) 873 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) 874 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) 875 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) 876 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) 877 #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) 878 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) 879 #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) 880 #define bfd_coff_long_filenames(abfd) \ 881 (coff_backend_info (abfd)->_bfd_coff_long_filenames) 882 #define bfd_coff_long_section_names(abfd) \ 883 (coff_backend_info (abfd)->_bfd_coff_long_section_names) 884 #define bfd_coff_set_long_section_names(abfd, enable) \ 885 ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable)) 886 #define bfd_coff_default_section_alignment_power(abfd) \ 887 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) 888 #define bfd_coff_max_nscns(abfd) \ 889 (coff_backend_info (abfd)->_bfd_coff_max_nscns) 890 891 #define bfd_coff_swap_filehdr_in(abfd, i,o) \ 892 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) 893 894 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ 895 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) 896 897 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ 898 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) 899 900 #define bfd_coff_swap_reloc_in(abfd, i, o) \ 901 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) 902 903 #define bfd_coff_bad_format_hook(abfd, filehdr) \ 904 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) 905 906 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ 907 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) 908 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ 909 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ 910 (abfd, filehdr, aouthdr)) 911 912 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ 913 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ 914 (abfd, scnhdr, name, section, flags_ptr)) 915 916 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ 917 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) 918 919 #define bfd_coff_slurp_symbol_table(abfd)\ 920 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) 921 922 #define bfd_coff_symname_in_debug(abfd, sym)\ 923 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) 924 925 #define bfd_coff_force_symnames_in_strings(abfd)\ 926 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) 927 928 #define bfd_coff_debug_string_prefix_length(abfd)\ 929 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) 930 931 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ 932 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ 933 (abfd, file, base, symbol, aux, indaux)) 934 935 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ 936 reloc, data, src_ptr, dst_ptr)\ 937 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ 938 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) 939 940 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ 941 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ 942 (abfd, section, reloc, shrink, link_info)) 943 944 #define bfd_coff_classify_symbol(abfd, sym)\ 945 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ 946 (abfd, sym)) 947 948 #define bfd_coff_compute_section_file_positions(abfd)\ 949 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ 950 (abfd)) 951 952 #define bfd_coff_start_final_link(obfd, info)\ 953 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ 954 (obfd, info)) 955 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ 956 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ 957 (obfd, info, ibfd, o, con, rel, isyms, secs)) 958 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ 959 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ 960 (abfd, sec, rel, h, sym, addendp)) 961 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ 962 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ 963 (obfd, info, ibfd, sec, rel, adjustedp)) 964 #define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ 965 value, string, cp, coll, hashp)\ 966 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ 967 (info, abfd, name, flags, section, value, string, cp, coll, hashp)) 968 969 #define bfd_coff_link_output_has_begun(a,p) \ 970 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p)) 971 #define bfd_coff_final_link_postscript(a,p) \ 972 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p)) 973 974 #define bfd_coff_have_print_pdata(a) \ 975 (coff_backend_info (a)->_bfd_coff_print_pdata) 976 #define bfd_coff_print_pdata(a,p) \ 977 ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p)) 978 979 /* Macro: Returns true if the bfd is a PE executable as opposed to a 980 PE object file. */ 981 #define bfd_pei_p(abfd) \ 982 (CONST_STRNEQ ((abfd)->xvec->name, "pei-")) 983
