1 /* BFD COFF object file private structure. 2 Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999 3 Free Software Foundation, Inc. 4 Written by Cygnus Support. 5 6 ** NOTE: libcoff.h is a GENERATED file. Don't change it; instead, 7 ** change libcoff-in.h or coffcode.h. 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 24 25 #include "bfdlink.h" 26 27 /* Object file tdata; access macros */ 28 29 #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) 30 #define exec_hdr(bfd) (coff_data(bfd)->hdr) 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 35 #define obj_relocbase(bfd) (coff_data(bfd)->relocbase) 36 #define obj_raw_syments(bfd) (coff_data(bfd)->raw_syments) 37 #define obj_raw_syment_count(bfd) (coff_data(bfd)->raw_syment_count) 38 #define obj_convert(bfd) (coff_data(bfd)->conversion_table) 39 #define obj_conv_table_size(bfd) (coff_data(bfd)->conv_table_size) 40 41 #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) 42 #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) 43 #define obj_coff_strings(bfd) (coff_data (bfd)->strings) 44 #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings) 45 #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes) 46 47 #define obj_coff_local_toc_table(bfd) (coff_data(bfd)->local_toc_sym_map) 48 49 /* `Tdata' information kept for COFF files. */ 50 51 typedef struct coff_tdata 52 { 53 struct coff_symbol_struct *symbols; /* symtab for input bfd */ 54 unsigned int *conversion_table; 55 int conv_table_size; 56 file_ptr sym_filepos; 57 58 struct coff_ptr_struct *raw_syments; 59 unsigned long raw_syment_count; 60 61 /* These are only valid once writing has begun */ 62 long int relocbase; 63 64 /* These members communicate important constants about the symbol table 65 to GDB's symbol-reading code. These `constants' unfortunately vary 66 from coff implementation to implementation... */ 67 unsigned local_n_btmask; 68 unsigned local_n_btshft; 69 unsigned local_n_tmask; 70 unsigned local_n_tshift; 71 unsigned local_symesz; 72 unsigned local_auxesz; 73 unsigned local_linesz; 74 75 /* The unswapped external symbols. May be NULL. Read by 76 _bfd_coff_get_external_symbols. */ 77 PTR external_syms; 78 /* If this is true, the external_syms may not be freed. */ 79 boolean keep_syms; 80 81 /* The string table. May be NULL. Read by 82 _bfd_coff_read_string_table. */ 83 char *strings; 84 /* If this is true, the strings may not be freed. */ 85 boolean keep_strings; 86 87 /* is this a PE format coff file */ 88 int pe; 89 /* Used by the COFF backend linker. */ 90 struct coff_link_hash_entry **sym_hashes; 91 92 /* used by the pe linker for PowerPC */ 93 int *local_toc_sym_map; 94 95 struct bfd_link_info *link_info; 96 97 /* Used by coff_find_nearest_line. */ 98 PTR line_info; 99 100 /* The timestamp from the COFF file header. */ 101 long timestamp; 102 103 /* Copy of some of the f_flags bits in the COFF filehdr structure, 104 used by ARM code. */ 105 flagword flags; 106 107 } coff_data_type; 108 109 /* Tdata for pe image files. */ 110 typedef struct pe_tdata 111 { 112 coff_data_type coff; 113 struct internal_extra_pe_aouthdr pe_opthdr; 114 int dll; 115 int has_reloc_section; 116 boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *)); 117 flagword real_flags; 118 } pe_data_type; 119 120 #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) 121 122 /* Tdata for XCOFF files. */ 123 124 struct xcoff_tdata 125 { 126 /* Basic COFF information. */ 127 coff_data_type coff; 128 129 /* True if a large a.out header should be generated. */ 130 boolean full_aouthdr; 131 132 /* TOC value. */ 133 bfd_vma toc; 134 135 /* Index of section holding TOC. */ 136 int sntoc; 137 138 /* Index of section holding entry point. */ 139 int snentry; 140 141 /* .text alignment from optional header. */ 142 int text_align_power; 143 144 /* .data alignment from optional header. */ 145 int data_align_power; 146 147 /* modtype from optional header. */ 148 short modtype; 149 150 /* cputype from optional header. */ 151 short cputype; 152 153 /* maxdata from optional header. */ 154 bfd_size_type maxdata; 155 156 /* maxstack from optional header. */ 157 bfd_size_type maxstack; 158 159 /* Used by the XCOFF backend linker. */ 160 asection **csects; 161 unsigned long *debug_indices; 162 unsigned int import_file_id; 163 }; 164 165 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) 166 167 /* We take the address of the first element of a asymbol to ensure that the 168 * macro is only ever applied to an asymbol. */ 169 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) 170 171 /* The used_by_bfd field of a section may be set to a pointer to this 172 structure. */ 173 174 struct coff_section_tdata 175 { 176 /* The relocs, swapped into COFF internal form. This may be NULL. */ 177 struct internal_reloc *relocs; 178 /* If this is true, the relocs entry may not be freed. */ 179 boolean keep_relocs; 180 /* The section contents. This may be NULL. */ 181 bfd_byte *contents; 182 /* If this is true, the contents entry may not be freed. */ 183 boolean keep_contents; 184 /* Information cached by coff_find_nearest_line. */ 185 bfd_vma offset; 186 unsigned int i; 187 const char *function; 188 int line_base; 189 /* A pointer used for .stab linking optimizations. */ 190 PTR stab_info; 191 /* Available for individual backends. */ 192 PTR tdata; 193 }; 194 195 /* An accessor macro for the coff_section_tdata structure. */ 196 #define coff_section_data(abfd, sec) \ 197 ((struct coff_section_tdata *) (sec)->used_by_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 one past the last symbol indices for symbols used 210 by this csect. */ 211 unsigned long first_symndx; 212 unsigned long last_symndx; 213 }; 214 215 /* An accessor macro the xcoff_section_tdata structure. */ 216 #define xcoff_section_data(abfd, sec) \ 217 ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 218 219 /* Tdata for sections in PE files. */ 220 221 struct pei_section_tdata 222 { 223 /* The virtual size of the section. */ 224 bfd_size_type virt_size; 225 /* The PE section flags. */ 226 long pe_flags; 227 }; 228 229 /* An accessor macro for the pei_section_tdata structure. */ 230 #define pei_section_data(abfd, sec) \ 231 ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 232 233 /* COFF linker hash table entries. */ 234 235 struct coff_link_hash_entry 236 { 237 struct bfd_link_hash_entry root; 238 239 /* Symbol index in output file. Set to -1 initially. Set to -2 if 240 there is a reloc against this symbol. */ 241 long indx; 242 243 /* Symbol type. */ 244 unsigned short type; 245 246 /* Symbol class. */ 247 unsigned char class; 248 249 /* Number of auxiliary entries. */ 250 char numaux; 251 252 /* BFD to take auxiliary entries from. */ 253 bfd *auxbfd; 254 255 /* Pointer to array of auxiliary entries, if any. */ 256 union internal_auxent *aux; 257 258 /* Flag word; legal values follow. */ 259 unsigned short coff_link_hash_flags; 260 /* Symbol is a PE section symbol. */ 261 #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) 262 }; 263 264 /* COFF linker hash table. */ 265 266 struct coff_link_hash_table 267 { 268 struct bfd_link_hash_table root; 269 /* A pointer to information used to link stabs in sections. */ 270 PTR stab_info; 271 }; 272 273 /* Look up an entry in a COFF linker hash table. */ 274 275 #define coff_link_hash_lookup(table, string, create, copy, follow) \ 276 ((struct coff_link_hash_entry *) \ 277 bfd_link_hash_lookup (&(table)->root, (string), (create), \ 278 (copy), (follow))) 279 280 /* Traverse a COFF linker hash table. */ 281 282 #define coff_link_hash_traverse(table, func, info) \ 283 (bfd_link_hash_traverse \ 284 (&(table)->root, \ 285 (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \ 286 (info))) 287 288 /* Get the COFF linker hash table from a link_info structure. */ 289 290 #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash)) 291 292 /* Functions in coffgen.c. */ 293 extern const bfd_target *coff_object_p PARAMS ((bfd *)); 294 extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int)); 295 extern long coff_get_symtab_upper_bound PARAMS ((bfd *)); 296 extern long coff_get_symtab PARAMS ((bfd *, asymbol **)); 297 extern int coff_count_linenumbers PARAMS ((bfd *)); 298 extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *)); 299 extern boolean coff_renumber_symbols PARAMS ((bfd *, int *)); 300 extern void coff_mangle_symbols PARAMS ((bfd *)); 301 extern boolean coff_write_symbols PARAMS ((bfd *)); 302 extern boolean coff_write_linenumbers PARAMS ((bfd *)); 303 extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *)); 304 extern asymbol *coff_section_symbol PARAMS ((bfd *, char *)); 305 extern boolean _bfd_coff_get_external_symbols PARAMS ((bfd *)); 306 extern const char *_bfd_coff_read_string_table PARAMS ((bfd *)); 307 extern boolean _bfd_coff_free_symbols PARAMS ((bfd *)); 308 extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *)); 309 extern long coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr)); 310 extern asymbol *coff_make_empty_symbol PARAMS ((bfd *)); 311 extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *, 312 bfd_print_symbol_type how)); 313 extern void coff_get_symbol_info PARAMS ((bfd *, asymbol *, 314 symbol_info *ret)); 315 extern boolean _bfd_coff_is_local_label_name PARAMS ((bfd *, const char *)); 316 extern asymbol *coff_bfd_make_debug_symbol PARAMS ((bfd *, PTR, 317 unsigned long)); 318 extern boolean coff_find_nearest_line PARAMS ((bfd *, 319 asection *, 320 asymbol **, 321 bfd_vma offset, 322 CONST char **filename_ptr, 323 CONST char **functionname_ptr, 324 unsigned int *line_ptr)); 325 extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc)); 326 extern boolean bfd_coff_reloc16_relax_section 327 PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *)); 328 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents 329 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, 330 bfd_byte *, boolean relocateable, asymbol **)); 331 extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *, 332 struct bfd_link_info *, 333 asection *)); 334 extern void bfd_perform_slip PARAMS ((bfd *abfd, unsigned int slip, 335 asection *input_section, 336 bfd_vma val)); 337 338 /* Functions and types in cofflink.c. */ 339 340 #define STRING_SIZE_SIZE (4) 341 342 /* We use a hash table to merge identical enum, struct, and union 343 definitions in the linker. */ 344 345 /* Information we keep for a single element (an enum value, a 346 structure or union field) in the debug merge hash table. */ 347 348 struct coff_debug_merge_element 349 { 350 /* Next element. */ 351 struct coff_debug_merge_element *next; 352 353 /* Name. */ 354 const char *name; 355 356 /* Type. */ 357 unsigned int type; 358 359 /* Symbol index for complex type. */ 360 long tagndx; 361 }; 362 363 /* A linked list of debug merge entries for a given name. */ 364 365 struct coff_debug_merge_type 366 { 367 /* Next type with the same name. */ 368 struct coff_debug_merge_type *next; 369 370 /* Class of type. */ 371 int class; 372 373 /* Symbol index where this type is defined. */ 374 long indx; 375 376 /* List of elements. */ 377 struct coff_debug_merge_element *elements; 378 }; 379 380 /* Information we store in the debug merge hash table. */ 381 382 struct coff_debug_merge_hash_entry 383 { 384 struct bfd_hash_entry root; 385 386 /* A list of types with this name. */ 387 struct coff_debug_merge_type *types; 388 }; 389 390 /* The debug merge hash table. */ 391 392 struct coff_debug_merge_hash_table 393 { 394 struct bfd_hash_table root; 395 }; 396 397 /* Initialize a COFF debug merge hash table. */ 398 399 #define coff_debug_merge_hash_table_init(table) \ 400 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc)) 401 402 /* Free a COFF debug merge hash table. */ 403 404 #define coff_debug_merge_hash_table_free(table) \ 405 (bfd_hash_table_free (&(table)->root)) 406 407 /* Look up an entry in a COFF debug merge hash table. */ 408 409 #define coff_debug_merge_hash_lookup(table, string, create, copy) \ 410 ((struct coff_debug_merge_hash_entry *) \ 411 bfd_hash_lookup (&(table)->root, (string), (create), (copy))) 412 413 /* Information we keep for each section in the output file when doing 414 a relocateable link. */ 415 416 struct coff_link_section_info 417 { 418 /* The relocs to be output. */ 419 struct internal_reloc *relocs; 420 /* For each reloc against a global symbol whose index was not known 421 when the reloc was handled, the global hash table entry. */ 422 struct coff_link_hash_entry **rel_hashes; 423 }; 424 425 /* Information that we pass around while doing the final link step. */ 426 427 struct coff_final_link_info 428 { 429 /* General link information. */ 430 struct bfd_link_info *info; 431 /* Output BFD. */ 432 bfd *output_bfd; 433 /* Used to indicate failure in traversal routine. */ 434 boolean failed; 435 /* If doing "task linking" set only during the time when we want the 436 global symbol writer to convert the storage class of defined global 437 symbols from global to static. */ 438 boolean global_to_static; 439 /* Hash table for long symbol names. */ 440 struct bfd_strtab_hash *strtab; 441 /* When doing a relocateable link, an array of information kept for 442 each output section, indexed by the target_index field. */ 443 struct coff_link_section_info *section_info; 444 /* Symbol index of last C_FILE symbol (-1 if none). */ 445 long last_file_index; 446 /* Contents of last C_FILE symbol. */ 447 struct internal_syment last_file; 448 /* Symbol index of first aux entry of last .bf symbol with an empty 449 endndx field (-1 if none). */ 450 long last_bf_index; 451 /* Contents of last_bf_index aux entry. */ 452 union internal_auxent last_bf; 453 /* Hash table used to merge debug information. */ 454 struct coff_debug_merge_hash_table debug_merge; 455 /* Buffer large enough to hold swapped symbols of any input file. */ 456 struct internal_syment *internal_syms; 457 /* Buffer large enough to hold sections of symbols of any input file. */ 458 asection **sec_ptrs; 459 /* Buffer large enough to hold output indices of symbols of any 460 input file. */ 461 long *sym_indices; 462 /* Buffer large enough to hold output symbols for any input file. */ 463 bfd_byte *outsyms; 464 /* Buffer large enough to hold external line numbers for any input 465 section. */ 466 bfd_byte *linenos; 467 /* Buffer large enough to hold any input section. */ 468 bfd_byte *contents; 469 /* Buffer large enough to hold external relocs of any input section. */ 470 bfd_byte *external_relocs; 471 /* Buffer large enough to hold swapped relocs of any input section. */ 472 struct internal_reloc *internal_relocs; 473 }; 474 475 /* Most COFF variants have no way to record the alignment of a 476 section. This struct is used to set a specific alignment based on 477 the name of the section. */ 478 479 struct coff_section_alignment_entry 480 { 481 /* The section name. */ 482 const char *name; 483 484 /* This is either (unsigned int) -1, indicating that the section 485 name must match exactly, or it is the number of letters which 486 must match at the start of the name. */ 487 unsigned int comparison_length; 488 489 /* These macros may be used to fill in the first two fields in a 490 structure initialization. */ 491 #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) 492 #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) 493 494 /* Only use this entry if the default section alignment for this 495 target is at least that much (as a power of two). If this field 496 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 497 unsigned int default_alignment_min; 498 499 /* Only use this entry if the default section alignment for this 500 target is no greater than this (as a power of two). If this 501 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 502 unsigned int default_alignment_max; 503 504 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) 505 506 /* The desired alignment for this section (as a power of two). */ 507 unsigned int alignment_power; 508 }; 509 510 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc 511 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); 512 extern boolean _bfd_coff_link_hash_table_init 513 PARAMS ((struct coff_link_hash_table *, bfd *, 514 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 515 struct bfd_hash_table *, 516 const char *))); 517 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create 518 PARAMS ((bfd *)); 519 extern const char *_bfd_coff_internal_syment_name 520 PARAMS ((bfd *, const struct internal_syment *, char *)); 521 extern boolean _bfd_coff_link_add_symbols 522 PARAMS ((bfd *, struct bfd_link_info *)); 523 extern boolean _bfd_coff_final_link 524 PARAMS ((bfd *, struct bfd_link_info *)); 525 extern struct internal_reloc *_bfd_coff_read_internal_relocs 526 PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean, 527 struct internal_reloc *)); 528 extern boolean _bfd_coff_generic_relocate_section 529 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 530 struct internal_reloc *, struct internal_syment *, asection **)); 531 532 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc 533 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); 534 extern boolean _bfd_coff_write_global_sym 535 PARAMS ((struct coff_link_hash_entry *, PTR)); 536 extern boolean _bfd_coff_write_task_globals 537 PARAMS ((struct coff_link_hash_entry *, PTR)); 538 extern boolean _bfd_coff_link_input_bfd 539 PARAMS ((struct coff_final_link_info *, bfd *)); 540 extern boolean _bfd_coff_reloc_link_order 541 PARAMS ((bfd *, struct coff_final_link_info *, asection *, 542 struct bfd_link_order *)); 543 544 545 #define coff_get_section_contents_in_window \ 546 _bfd_generic_get_section_contents_in_window 547 548 /* Functions in xcofflink.c. */ 549 550 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound PARAMS ((bfd *)); 551 extern long _bfd_xcoff_canonicalize_dynamic_symtab 552 PARAMS ((bfd *, asymbol **)); 553 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound PARAMS ((bfd *)); 554 extern long _bfd_xcoff_canonicalize_dynamic_reloc 555 PARAMS ((bfd *, arelent **, asymbol **)); 556 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create 557 PARAMS ((bfd *)); 558 extern boolean _bfd_xcoff_bfd_link_add_symbols 559 PARAMS ((bfd *, struct bfd_link_info *)); 560 extern boolean _bfd_xcoff_bfd_final_link 561 PARAMS ((bfd *, struct bfd_link_info *)); 562 extern boolean _bfd_ppc_xcoff_relocate_section 563 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 564 struct internal_reloc *, struct internal_syment *, asection **)); 565 566 /* Functions in coff-ppc.c. FIXME: These are called be pe.em in the 567 linker, and so should start with bfd and be declared in bfd.h. */ 568 569 extern boolean ppc_allocate_toc_section PARAMS ((struct bfd_link_info *)); 570 extern boolean ppc_process_before_allocation 571 PARAMS ((bfd *, struct bfd_link_info *)); 572 573 /* And more taken from the source .. */ 574 575 typedef struct coff_ptr_struct 576 { 577 578 /* Remembers the offset from the first symbol in the file for 579 this symbol. Generated by coff_renumber_symbols. */ 580 unsigned int offset; 581 582 /* Should the value of this symbol be renumbered. Used for 583 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ 584 unsigned int fix_value : 1; 585 586 /* Should the tag field of this symbol be renumbered. 587 Created by coff_pointerize_aux. */ 588 unsigned int fix_tag : 1; 589 590 /* Should the endidx field of this symbol be renumbered. 591 Created by coff_pointerize_aux. */ 592 unsigned int fix_end : 1; 593 594 /* Should the x_csect.x_scnlen field be renumbered. 595 Created by coff_pointerize_aux. */ 596 unsigned int fix_scnlen : 1; 597 598 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the 599 index into the line number entries. Set by 600 coff_slurp_symbol_table. */ 601 unsigned int fix_line : 1; 602 603 /* The container for the symbol structure as read and translated 604 from the file. */ 605 606 union { 607 union internal_auxent auxent; 608 struct internal_syment syment; 609 } u; 610 } combined_entry_type; 611 612 613 /* Each canonical asymbol really looks like this: */ 614 615 typedef struct coff_symbol_struct 616 { 617 /* The actual symbol which the rest of BFD works with */ 618 asymbol symbol; 619 620 /* A pointer to the hidden information for this symbol */ 621 combined_entry_type *native; 622 623 /* A pointer to the linenumber information for this symbol */ 624 struct lineno_cache_entry *lineno; 625 626 /* Have the line numbers been relocated yet ? */ 627 boolean done_lineno; 628 } coff_symbol_type; 629 /* COFF symbol classifications. */ 630 631 enum coff_symbol_classification 632 { 633 /* Global symbol. */ 634 COFF_SYMBOL_GLOBAL, 635 /* Common symbol. */ 636 COFF_SYMBOL_COMMON, 637 /* Undefined symbol. */ 638 COFF_SYMBOL_UNDEFINED, 639 /* Local symbol. */ 640 COFF_SYMBOL_LOCAL, 641 /* PE section symbol. */ 642 COFF_SYMBOL_PE_SECTION 643 }; 644 645 typedef struct 646 { 647 void (*_bfd_coff_swap_aux_in) PARAMS (( 648 bfd *abfd, 649 PTR ext, 650 int type, 651 int class, 652 int indaux, 653 int numaux, 654 PTR in)); 655 656 void (*_bfd_coff_swap_sym_in) PARAMS (( 657 bfd *abfd , 658 PTR ext, 659 PTR in)); 660 661 void (*_bfd_coff_swap_lineno_in) PARAMS (( 662 bfd *abfd, 663 PTR ext, 664 PTR in)); 665 666 unsigned int (*_bfd_coff_swap_aux_out) PARAMS (( 667 bfd *abfd, 668 PTR in, 669 int type, 670 int class, 671 int indaux, 672 int numaux, 673 PTR ext)); 674 675 unsigned int (*_bfd_coff_swap_sym_out) PARAMS (( 676 bfd *abfd, 677 PTR in, 678 PTR ext)); 679 680 unsigned int (*_bfd_coff_swap_lineno_out) PARAMS (( 681 bfd *abfd, 682 PTR in, 683 PTR ext)); 684 685 unsigned int (*_bfd_coff_swap_reloc_out) PARAMS (( 686 bfd *abfd, 687 PTR src, 688 PTR dst)); 689 690 unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS (( 691 bfd *abfd, 692 PTR in, 693 PTR out)); 694 695 unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS (( 696 bfd *abfd, 697 PTR in, 698 PTR out)); 699 700 unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS (( 701 bfd *abfd, 702 PTR in, 703 PTR out)); 704 705 unsigned int _bfd_filhsz; 706 unsigned int _bfd_aoutsz; 707 unsigned int _bfd_scnhsz; 708 unsigned int _bfd_symesz; 709 unsigned int _bfd_auxesz; 710 unsigned int _bfd_relsz; 711 unsigned int _bfd_linesz; 712 unsigned int _bfd_filnmlen; 713 boolean _bfd_coff_long_filenames; 714 boolean _bfd_coff_long_section_names; 715 unsigned int _bfd_coff_default_section_alignment_power; 716 void (*_bfd_coff_swap_filehdr_in) PARAMS (( 717 bfd *abfd, 718 PTR ext, 719 PTR in)); 720 void (*_bfd_coff_swap_aouthdr_in) PARAMS (( 721 bfd *abfd, 722 PTR ext, 723 PTR in)); 724 void (*_bfd_coff_swap_scnhdr_in) PARAMS (( 725 bfd *abfd, 726 PTR ext, 727 PTR in)); 728 void (*_bfd_coff_swap_reloc_in) PARAMS (( 729 bfd *abfd, 730 PTR ext, 731 PTR in)); 732 boolean (*_bfd_coff_bad_format_hook) PARAMS (( 733 bfd *abfd, 734 PTR internal_filehdr)); 735 boolean (*_bfd_coff_set_arch_mach_hook) PARAMS (( 736 bfd *abfd, 737 PTR internal_filehdr)); 738 PTR (*_bfd_coff_mkobject_hook) PARAMS (( 739 bfd *abfd, 740 PTR internal_filehdr, 741 PTR internal_aouthdr)); 742 flagword (*_bfd_styp_to_sec_flags_hook) PARAMS (( 743 bfd *abfd, 744 PTR internal_scnhdr, 745 const char *name, 746 asection *section)); 747 void (*_bfd_set_alignment_hook) PARAMS (( 748 bfd *abfd, 749 asection *sec, 750 PTR internal_scnhdr)); 751 boolean (*_bfd_coff_slurp_symbol_table) PARAMS (( 752 bfd *abfd)); 753 boolean (*_bfd_coff_symname_in_debug) PARAMS (( 754 bfd *abfd, 755 struct internal_syment *sym)); 756 boolean (*_bfd_coff_pointerize_aux_hook) PARAMS (( 757 bfd *abfd, 758 combined_entry_type *table_base, 759 combined_entry_type *symbol, 760 unsigned int indaux, 761 combined_entry_type *aux)); 762 boolean (*_bfd_coff_print_aux) PARAMS (( 763 bfd *abfd, 764 FILE *file, 765 combined_entry_type *table_base, 766 combined_entry_type *symbol, 767 combined_entry_type *aux, 768 unsigned int indaux)); 769 void (*_bfd_coff_reloc16_extra_cases) PARAMS (( 770 bfd *abfd, 771 struct bfd_link_info *link_info, 772 struct bfd_link_order *link_order, 773 arelent *reloc, 774 bfd_byte *data, 775 unsigned int *src_ptr, 776 unsigned int *dst_ptr)); 777 int (*_bfd_coff_reloc16_estimate) PARAMS (( 778 bfd *abfd, 779 asection *input_section, 780 arelent *r, 781 unsigned int shrink, 782 struct bfd_link_info *link_info)); 783 enum coff_symbol_classification (*_bfd_coff_classify_symbol) PARAMS (( 784 bfd *abfd, 785 struct internal_syment *)); 786 boolean (*_bfd_coff_compute_section_file_positions) PARAMS (( 787 bfd *abfd)); 788 boolean (*_bfd_coff_start_final_link) PARAMS (( 789 bfd *output_bfd, 790 struct bfd_link_info *info)); 791 boolean (*_bfd_coff_relocate_section) PARAMS (( 792 bfd *output_bfd, 793 struct bfd_link_info *info, 794 bfd *input_bfd, 795 asection *input_section, 796 bfd_byte *contents, 797 struct internal_reloc *relocs, 798 struct internal_syment *syms, 799 asection **sections)); 800 reloc_howto_type *(*_bfd_coff_rtype_to_howto) PARAMS (( 801 bfd *abfd, 802 asection *sec, 803 struct internal_reloc *rel, 804 struct coff_link_hash_entry *h, 805 struct internal_syment *sym, 806 bfd_vma *addendp)); 807 boolean (*_bfd_coff_adjust_symndx) PARAMS (( 808 bfd *obfd, 809 struct bfd_link_info *info, 810 bfd *ibfd, 811 asection *sec, 812 struct internal_reloc *reloc, 813 boolean *adjustedp)); 814 boolean (*_bfd_coff_link_add_one_symbol) PARAMS (( 815 struct bfd_link_info *info, 816 bfd *abfd, 817 const char *name, 818 flagword flags, 819 asection *section, 820 bfd_vma value, 821 const char *string, 822 boolean copy, 823 boolean collect, 824 struct bfd_link_hash_entry **hashp)); 825 826 boolean (*_bfd_coff_link_output_has_begun) PARAMS (( 827 bfd * abfd, 828 struct coff_final_link_info * pfinfo)); 829 boolean (*_bfd_coff_final_link_postscript) PARAMS (( 830 bfd * abfd, 831 struct coff_final_link_info * pfinfo)); 832 833 } bfd_coff_backend_data; 834 835 #define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) 836 837 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ 838 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) 839 840 #define bfd_coff_swap_sym_in(a,e,i) \ 841 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) 842 843 #define bfd_coff_swap_lineno_in(a,e,i) \ 844 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) 845 846 #define bfd_coff_swap_reloc_out(abfd, i, o) \ 847 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) 848 849 #define bfd_coff_swap_lineno_out(abfd, i, o) \ 850 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) 851 852 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ 853 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) 854 855 #define bfd_coff_swap_sym_out(abfd, i,o) \ 856 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) 857 858 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ 859 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) 860 861 #define bfd_coff_swap_filehdr_out(abfd, i,o) \ 862 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) 863 864 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ 865 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) 866 867 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) 868 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) 869 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) 870 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) 871 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) 872 #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) 873 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) 874 #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) 875 #define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames) 876 #define bfd_coff_long_section_names(abfd) \ 877 (coff_backend_info (abfd)->_bfd_coff_long_section_names) 878 #define bfd_coff_default_section_alignment_power(abfd) \ 879 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) 880 #define bfd_coff_swap_filehdr_in(abfd, i,o) \ 881 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) 882 883 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ 884 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) 885 886 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ 887 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) 888 889 #define bfd_coff_swap_reloc_in(abfd, i, o) \ 890 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) 891 892 #define bfd_coff_bad_format_hook(abfd, filehdr) \ 893 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) 894 895 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ 896 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) 897 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ 898 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr)) 899 900 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section)\ 901 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ 902 (abfd, scnhdr, name, section)) 903 904 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ 905 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) 906 907 #define bfd_coff_slurp_symbol_table(abfd)\ 908 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) 909 910 #define bfd_coff_symname_in_debug(abfd, sym)\ 911 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) 912 913 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ 914 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ 915 (abfd, file, base, symbol, aux, indaux)) 916 917 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\ 918 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ 919 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) 920 921 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ 922 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ 923 (abfd, section, reloc, shrink, link_info)) 924 925 #define bfd_coff_classify_symbol(abfd, sym)\ 926 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ 927 (abfd, sym)) 928 929 #define bfd_coff_compute_section_file_positions(abfd)\ 930 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ 931 (abfd)) 932 933 #define bfd_coff_start_final_link(obfd, info)\ 934 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ 935 (obfd, info)) 936 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ 937 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ 938 (obfd, info, ibfd, o, con, rel, isyms, secs)) 939 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ 940 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ 941 (abfd, sec, rel, h, sym, addendp)) 942 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ 943 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ 944 (obfd, info, ibfd, sec, rel, adjustedp)) 945 #define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\ 946 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ 947 (info, abfd, name, flags, section, value, string, cp, coll, hashp)) 948 949 #define bfd_coff_link_output_has_begun(a,p) \ 950 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a,p)) 951 #define bfd_coff_final_link_postscript(a,p) \ 952 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p)) 953 954