libcoff.h revision 38889
1236834Sadrian/* BFD COFF object file private structure. 2236834Sadrian Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97, 1998 3236834Sadrian Free Software Foundation, Inc. 4236834Sadrian Written by Cygnus Support. 5236834Sadrian 6236834Sadrian** NOTE: libcoff.h is a GENERATED file. Don't change it; instead, 7236834Sadrian** change libcoff-in.h or coffcode.h. 8236834Sadrian 9236834SadrianThis file is part of BFD, the Binary File Descriptor library. 10236834Sadrian 11236834SadrianThis program is free software; you can redistribute it and/or modify 12236834Sadrianit under the terms of the GNU General Public License as published by 13236834Sadrianthe Free Software Foundation; either version 2 of the License, or 14236834Sadrian(at your option) any later version. 15236834Sadrian 16236834SadrianThis program is distributed in the hope that it will be useful, 17236834Sadrianbut WITHOUT ANY WARRANTY; without even the implied warranty of 18236834SadrianMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19236834SadrianGNU General Public License for more details. 20236834Sadrian 21236834SadrianYou should have received a copy of the GNU General Public License 22236834Sadrianalong with this program; if not, write to the Free Software 23236834SadrianFoundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 24236834Sadrian 25236834Sadrian#include "bfdlink.h" 26236834Sadrian 27236834Sadrian/* Object file tdata; access macros */ 28236834Sadrian 29236834Sadrian#define coff_data(bfd) ((bfd)->tdata.coff_obj_data) 30236834Sadrian#define exec_hdr(bfd) (coff_data(bfd)->hdr) 31236834Sadrian#define obj_pe(bfd) (coff_data(bfd)->pe) 32236834Sadrian#define obj_symbols(bfd) (coff_data(bfd)->symbols) 33236834Sadrian#define obj_sym_filepos(bfd) (coff_data(bfd)->sym_filepos) 34236834Sadrian 35236834Sadrian#define obj_relocbase(bfd) (coff_data(bfd)->relocbase) 36236834Sadrian#define obj_raw_syments(bfd) (coff_data(bfd)->raw_syments) 37236834Sadrian#define obj_raw_syment_count(bfd) (coff_data(bfd)->raw_syment_count) 38236834Sadrian#define obj_convert(bfd) (coff_data(bfd)->conversion_table) 39236834Sadrian#define obj_conv_table_size(bfd) (coff_data(bfd)->conv_table_size) 40236834Sadrian 41236834Sadrian#define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) 42236834Sadrian#define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) 43236834Sadrian#define obj_coff_strings(bfd) (coff_data (bfd)->strings) 44236834Sadrian#define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings) 45236834Sadrian#define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes) 46236834Sadrian 47236834Sadrian#define obj_coff_local_toc_table(bfd) (coff_data(bfd)->local_toc_sym_map) 48236834Sadrian 49236834Sadrian/* `Tdata' information kept for COFF files. */ 50236834Sadrian 51236834Sadriantypedef struct coff_tdata 52236834Sadrian{ 53236834Sadrian struct coff_symbol_struct *symbols; /* symtab for input bfd */ 54236834Sadrian unsigned int *conversion_table; 55236834Sadrian int conv_table_size; 56236834Sadrian file_ptr sym_filepos; 57236834Sadrian 58236834Sadrian struct coff_ptr_struct *raw_syments; 59236834Sadrian unsigned int raw_syment_count; 60236834Sadrian 61236834Sadrian /* These are only valid once writing has begun */ 62236834Sadrian long int relocbase; 63236834Sadrian 64236834Sadrian /* These members communicate important constants about the symbol table 65236834Sadrian to GDB's symbol-reading code. These `constants' unfortunately vary 66236834Sadrian from coff implementation to implementation... */ 67236834Sadrian unsigned local_n_btmask; 68236834Sadrian unsigned local_n_btshft; 69236834Sadrian unsigned local_n_tmask; 70236834Sadrian unsigned local_n_tshift; 71236834Sadrian unsigned local_symesz; 72236834Sadrian unsigned local_auxesz; 73236834Sadrian unsigned local_linesz; 74236834Sadrian 75236834Sadrian /* The unswapped external symbols. May be NULL. Read by 76236834Sadrian _bfd_coff_get_external_symbols. */ 77236834Sadrian PTR external_syms; 78236834Sadrian /* If this is true, the external_syms may not be freed. */ 79236834Sadrian boolean keep_syms; 80236834Sadrian 81236834Sadrian /* The string table. May be NULL. Read by 82236834Sadrian _bfd_coff_read_string_table. */ 83236834Sadrian char *strings; 84236834Sadrian /* If this is true, the strings may not be freed. */ 85236834Sadrian boolean keep_strings; 86236834Sadrian 87236834Sadrian /* is this a PE format coff file */ 88236834Sadrian int pe; 89236834Sadrian /* Used by the COFF backend linker. */ 90236834Sadrian struct coff_link_hash_entry **sym_hashes; 91236834Sadrian 92236834Sadrian /* used by the pe linker for PowerPC */ 93236834Sadrian int *local_toc_sym_map; 94236834Sadrian 95236834Sadrian struct bfd_link_info *link_info; 96236834Sadrian 97236834Sadrian /* Used by coff_find_nearest_line. */ 98236834Sadrian PTR line_info; 99236834Sadrian 100236834Sadrian /* Copy of some of the f_flags bits in the COFF filehdr structure, 101236834Sadrian used by ARM code. */ 102236834Sadrian flagword flags; 103236834Sadrian 104236834Sadrian} coff_data_type; 105236834Sadrian 106236834Sadrian/* Tdata for pe image files. */ 107236834Sadriantypedef struct pe_tdata 108236834Sadrian{ 109236834Sadrian coff_data_type coff; 110236834Sadrian struct internal_extra_pe_aouthdr pe_opthdr; 111236834Sadrian int dll; 112236834Sadrian int has_reloc_section; 113236834Sadrian boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *)); 114236834Sadrian flagword real_flags; 115236834Sadrian} pe_data_type; 116236834Sadrian 117236834Sadrian#define pe_data(bfd) ((bfd)->tdata.pe_obj_data) 118236834Sadrian 119236834Sadrian/* Tdata for XCOFF files. */ 120236834Sadrian 121236834Sadrianstruct xcoff_tdata 122236834Sadrian{ 123236834Sadrian /* Basic COFF information. */ 124236834Sadrian coff_data_type coff; 125236834Sadrian 126236834Sadrian /* True if a large a.out header should be generated. */ 127236834Sadrian boolean full_aouthdr; 128236834Sadrian 129236834Sadrian /* TOC value. */ 130236834Sadrian bfd_vma toc; 131236834Sadrian 132236834Sadrian /* Index of section holding TOC. */ 133236834Sadrian int sntoc; 134236834Sadrian 135236834Sadrian /* Index of section holding entry point. */ 136236834Sadrian int snentry; 137236834Sadrian 138236834Sadrian /* .text alignment from optional header. */ 139236834Sadrian int text_align_power; 140236834Sadrian 141236834Sadrian /* .data alignment from optional header. */ 142236834Sadrian int data_align_power; 143236834Sadrian 144236834Sadrian /* modtype from optional header. */ 145236834Sadrian short modtype; 146236834Sadrian 147236834Sadrian /* cputype from optional header. */ 148236834Sadrian short cputype; 149236834Sadrian 150236834Sadrian /* maxdata from optional header. */ 151236834Sadrian bfd_size_type maxdata; 152236834Sadrian 153236834Sadrian /* maxstack from optional header. */ 154236834Sadrian bfd_size_type maxstack; 155236834Sadrian 156236834Sadrian /* Used by the XCOFF backend linker. */ 157236834Sadrian asection **csects; 158236834Sadrian unsigned long *debug_indices; 159236834Sadrian unsigned int import_file_id; 160236834Sadrian}; 161236834Sadrian 162236834Sadrian#define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) 163236834Sadrian 164236834Sadrian/* We take the address of the first element of a asymbol to ensure that the 165236834Sadrian * macro is only ever applied to an asymbol. */ 166236834Sadrian#define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) 167236834Sadrian 168236834Sadrian/* The used_by_bfd field of a section may be set to a pointer to this 169236834Sadrian structure. */ 170236834Sadrian 171236834Sadrianstruct coff_section_tdata 172236834Sadrian{ 173236834Sadrian /* The relocs, swapped into COFF internal form. This may be NULL. */ 174236834Sadrian struct internal_reloc *relocs; 175236834Sadrian /* If this is true, the relocs entry may not be freed. */ 176236834Sadrian boolean keep_relocs; 177236834Sadrian /* The section contents. This may be NULL. */ 178236834Sadrian bfd_byte *contents; 179236834Sadrian /* If this is true, the contents entry may not be freed. */ 180236834Sadrian boolean keep_contents; 181236834Sadrian /* Information cached by coff_find_nearest_line. */ 182236834Sadrian bfd_vma offset; 183236834Sadrian unsigned int i; 184236834Sadrian const char *function; 185236834Sadrian int line_base; 186236834Sadrian /* A pointer used for .stab linking optimizations. */ 187236834Sadrian PTR stab_info; 188236834Sadrian /* Available for individual backends. */ 189236834Sadrian PTR tdata; 190236834Sadrian}; 191236834Sadrian 192236834Sadrian/* An accessor macro for the coff_section_tdata structure. */ 193236834Sadrian#define coff_section_data(abfd, sec) \ 194236834Sadrian ((struct coff_section_tdata *) (sec)->used_by_bfd) 195236834Sadrian 196236834Sadrian/* Tdata for sections in XCOFF files. This is used by the linker. */ 197236834Sadrian 198236834Sadrianstruct xcoff_section_tdata 199236834Sadrian{ 200236834Sadrian /* Used for XCOFF csects created by the linker; points to the real 201236834Sadrian XCOFF section which contains this csect. */ 202236834Sadrian asection *enclosing; 203236834Sadrian /* The lineno_count field for the enclosing section, because we are 204236834Sadrian going to clobber it there. */ 205236834Sadrian unsigned int lineno_count; 206236834Sadrian /* The first and one past the last symbol indices for symbols used 207 by this csect. */ 208 unsigned long first_symndx; 209 unsigned long last_symndx; 210}; 211 212/* An accessor macro the xcoff_section_tdata structure. */ 213#define xcoff_section_data(abfd, sec) \ 214 ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 215 216/* Tdata for sections in PEI image files. */ 217 218struct pei_section_tdata 219{ 220 /* The virtual size of the section. */ 221 bfd_size_type virt_size; 222}; 223 224/* An accessor macro for the pei_section_tdata structure. */ 225#define pei_section_data(abfd, sec) \ 226 ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 227 228/* COFF linker hash table entries. */ 229 230struct coff_link_hash_entry 231{ 232 struct bfd_link_hash_entry root; 233 234 /* Symbol index in output file. Set to -1 initially. Set to -2 if 235 there is a reloc against this symbol. */ 236 long indx; 237 238 /* Symbol type. */ 239 unsigned short type; 240 241 /* Symbol class. */ 242 unsigned char class; 243 244 /* Number of auxiliary entries. */ 245 char numaux; 246 247 /* BFD to take auxiliary entries from. */ 248 bfd *auxbfd; 249 250 /* Pointer to array of auxiliary entries, if any. */ 251 union internal_auxent *aux; 252}; 253 254/* COFF linker hash table. */ 255 256struct coff_link_hash_table 257{ 258 struct bfd_link_hash_table root; 259 /* A pointer to information used to link stabs in sections. */ 260 PTR stab_info; 261}; 262 263/* Look up an entry in a COFF linker hash table. */ 264 265#define coff_link_hash_lookup(table, string, create, copy, follow) \ 266 ((struct coff_link_hash_entry *) \ 267 bfd_link_hash_lookup (&(table)->root, (string), (create), \ 268 (copy), (follow))) 269 270/* Traverse a COFF linker hash table. */ 271 272#define coff_link_hash_traverse(table, func, info) \ 273 (bfd_link_hash_traverse \ 274 (&(table)->root, \ 275 (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \ 276 (info))) 277 278/* Get the COFF linker hash table from a link_info structure. */ 279 280#define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash)) 281 282/* Functions in coffgen.c. */ 283extern const bfd_target *coff_object_p PARAMS ((bfd *)); 284extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int)); 285extern long coff_get_symtab_upper_bound PARAMS ((bfd *)); 286extern long coff_get_symtab PARAMS ((bfd *, asymbol **)); 287extern int coff_count_linenumbers PARAMS ((bfd *)); 288extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *)); 289extern boolean coff_renumber_symbols PARAMS ((bfd *, int *)); 290extern void coff_mangle_symbols PARAMS ((bfd *)); 291extern boolean coff_write_symbols PARAMS ((bfd *)); 292extern boolean coff_write_linenumbers PARAMS ((bfd *)); 293extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *)); 294extern asymbol *coff_section_symbol PARAMS ((bfd *, char *)); 295extern boolean _bfd_coff_get_external_symbols PARAMS ((bfd *)); 296extern const char *_bfd_coff_read_string_table PARAMS ((bfd *)); 297extern boolean _bfd_coff_free_symbols PARAMS ((bfd *)); 298extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *)); 299extern long coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr)); 300extern asymbol *coff_make_empty_symbol PARAMS ((bfd *)); 301extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *, 302 bfd_print_symbol_type how)); 303extern void coff_get_symbol_info PARAMS ((bfd *, asymbol *, 304 symbol_info *ret)); 305extern boolean _bfd_coff_is_local_label_name PARAMS ((bfd *, const char *)); 306extern asymbol *coff_bfd_make_debug_symbol PARAMS ((bfd *, PTR, 307 unsigned long)); 308extern boolean coff_find_nearest_line PARAMS ((bfd *, 309 asection *, 310 asymbol **, 311 bfd_vma offset, 312 CONST char **filename_ptr, 313 CONST char **functionname_ptr, 314 unsigned int *line_ptr)); 315extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc)); 316extern boolean bfd_coff_reloc16_relax_section 317 PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *)); 318extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents 319 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, 320 bfd_byte *, boolean relocateable, asymbol **)); 321extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *, 322 struct bfd_link_info *, 323 asection *)); 324extern void bfd_perform_slip PARAMS ((bfd *abfd, unsigned int slip, 325 asection *input_section, 326 bfd_vma val)); 327 328/* Functions and types in cofflink.c. */ 329 330#define STRING_SIZE_SIZE (4) 331 332/* We use a hash table to merge identical enum, struct, and union 333 definitions in the linker. */ 334 335/* Information we keep for a single element (an enum value, a 336 structure or union field) in the debug merge hash table. */ 337 338struct coff_debug_merge_element 339{ 340 /* Next element. */ 341 struct coff_debug_merge_element *next; 342 343 /* Name. */ 344 const char *name; 345 346 /* Type. */ 347 unsigned int type; 348 349 /* Symbol index for complex type. */ 350 long tagndx; 351}; 352 353/* A linked list of debug merge entries for a given name. */ 354 355struct coff_debug_merge_type 356{ 357 /* Next type with the same name. */ 358 struct coff_debug_merge_type *next; 359 360 /* Class of type. */ 361 int class; 362 363 /* Symbol index where this type is defined. */ 364 long indx; 365 366 /* List of elements. */ 367 struct coff_debug_merge_element *elements; 368}; 369 370/* Information we store in the debug merge hash table. */ 371 372struct coff_debug_merge_hash_entry 373{ 374 struct bfd_hash_entry root; 375 376 /* A list of types with this name. */ 377 struct coff_debug_merge_type *types; 378}; 379 380/* The debug merge hash table. */ 381 382struct coff_debug_merge_hash_table 383{ 384 struct bfd_hash_table root; 385}; 386 387/* Initialize a COFF debug merge hash table. */ 388 389#define coff_debug_merge_hash_table_init(table) \ 390 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc)) 391 392/* Free a COFF debug merge hash table. */ 393 394#define coff_debug_merge_hash_table_free(table) \ 395 (bfd_hash_table_free (&(table)->root)) 396 397/* Look up an entry in a COFF debug merge hash table. */ 398 399#define coff_debug_merge_hash_lookup(table, string, create, copy) \ 400 ((struct coff_debug_merge_hash_entry *) \ 401 bfd_hash_lookup (&(table)->root, (string), (create), (copy))) 402 403/* Information we keep for each section in the output file when doing 404 a relocateable link. */ 405 406struct coff_link_section_info 407{ 408 /* The relocs to be output. */ 409 struct internal_reloc *relocs; 410 /* For each reloc against a global symbol whose index was not known 411 when the reloc was handled, the global hash table entry. */ 412 struct coff_link_hash_entry **rel_hashes; 413}; 414 415/* Information that we pass around while doing the final link step. */ 416 417struct coff_final_link_info 418{ 419 /* General link information. */ 420 struct bfd_link_info *info; 421 /* Output BFD. */ 422 bfd *output_bfd; 423 /* Used to indicate failure in traversal routine. */ 424 boolean failed; 425 /* If doing "task linking" set only during the time when we want the 426 global symbol writer to convert the storage class of defined global 427 symbols from global to static. */ 428 boolean global_to_static; 429 /* Hash table for long symbol names. */ 430 struct bfd_strtab_hash *strtab; 431 /* When doing a relocateable link, an array of information kept for 432 each output section, indexed by the target_index field. */ 433 struct coff_link_section_info *section_info; 434 /* Symbol index of last C_FILE symbol (-1 if none). */ 435 long last_file_index; 436 /* Contents of last C_FILE symbol. */ 437 struct internal_syment last_file; 438 /* Symbol index of first aux entry of last .bf symbol with an empty 439 endndx field (-1 if none). */ 440 long last_bf_index; 441 /* Contents of last_bf_index aux entry. */ 442 union internal_auxent last_bf; 443 /* Hash table used to merge debug information. */ 444 struct coff_debug_merge_hash_table debug_merge; 445 /* Buffer large enough to hold swapped symbols of any input file. */ 446 struct internal_syment *internal_syms; 447 /* Buffer large enough to hold sections of symbols of any input file. */ 448 asection **sec_ptrs; 449 /* Buffer large enough to hold output indices of symbols of any 450 input file. */ 451 long *sym_indices; 452 /* Buffer large enough to hold output symbols for any input file. */ 453 bfd_byte *outsyms; 454 /* Buffer large enough to hold external line numbers for any input 455 section. */ 456 bfd_byte *linenos; 457 /* Buffer large enough to hold any input section. */ 458 bfd_byte *contents; 459 /* Buffer large enough to hold external relocs of any input section. */ 460 bfd_byte *external_relocs; 461 /* Buffer large enough to hold swapped relocs of any input section. */ 462 struct internal_reloc *internal_relocs; 463}; 464 465extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc 466 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); 467extern boolean _bfd_coff_link_hash_table_init 468 PARAMS ((struct coff_link_hash_table *, bfd *, 469 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 470 struct bfd_hash_table *, 471 const char *))); 472extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create 473 PARAMS ((bfd *)); 474extern const char *_bfd_coff_internal_syment_name 475 PARAMS ((bfd *, const struct internal_syment *, char *)); 476extern boolean _bfd_coff_link_add_symbols 477 PARAMS ((bfd *, struct bfd_link_info *)); 478extern boolean _bfd_coff_final_link 479 PARAMS ((bfd *, struct bfd_link_info *)); 480extern struct internal_reloc *_bfd_coff_read_internal_relocs 481 PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean, 482 struct internal_reloc *)); 483extern boolean _bfd_coff_generic_relocate_section 484 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 485 struct internal_reloc *, struct internal_syment *, asection **)); 486 487extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc 488 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); 489extern boolean _bfd_coff_write_global_sym 490 PARAMS ((struct coff_link_hash_entry *, PTR)); 491extern boolean _bfd_coff_write_task_globals 492 PARAMS ((struct coff_link_hash_entry *, PTR)); 493extern boolean _bfd_coff_link_input_bfd 494 PARAMS ((struct coff_final_link_info *, bfd *)); 495extern boolean _bfd_coff_reloc_link_order 496 PARAMS ((bfd *, struct coff_final_link_info *, asection *, 497 struct bfd_link_order *)); 498 499 500#define coff_get_section_contents_in_window \ 501 _bfd_generic_get_section_contents_in_window 502 503/* Functions in xcofflink.c. */ 504 505extern long _bfd_xcoff_get_dynamic_symtab_upper_bound PARAMS ((bfd *)); 506extern long _bfd_xcoff_canonicalize_dynamic_symtab 507 PARAMS ((bfd *, asymbol **)); 508extern long _bfd_xcoff_get_dynamic_reloc_upper_bound PARAMS ((bfd *)); 509extern long _bfd_xcoff_canonicalize_dynamic_reloc 510 PARAMS ((bfd *, arelent **, asymbol **)); 511extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create 512 PARAMS ((bfd *)); 513extern boolean _bfd_xcoff_bfd_link_add_symbols 514 PARAMS ((bfd *, struct bfd_link_info *)); 515extern boolean _bfd_xcoff_bfd_final_link 516 PARAMS ((bfd *, struct bfd_link_info *)); 517extern boolean _bfd_ppc_xcoff_relocate_section 518 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 519 struct internal_reloc *, struct internal_syment *, asection **)); 520 521/* Functions in coff-ppc.c. FIXME: These are called be pe.em in the 522 linker, and so should start with bfd and be declared in bfd.h. */ 523 524extern boolean ppc_allocate_toc_section PARAMS ((struct bfd_link_info *)); 525extern boolean ppc_process_before_allocation 526 PARAMS ((bfd *, struct bfd_link_info *)); 527 528/* And more taken from the source .. */ 529 530typedef struct coff_ptr_struct 531{ 532 533 /* Remembers the offset from the first symbol in the file for 534 this symbol. Generated by coff_renumber_symbols. */ 535unsigned int offset; 536 537 /* Should the value of this symbol be renumbered. Used for 538 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ 539unsigned int fix_value : 1; 540 541 /* Should the tag field of this symbol be renumbered. 542 Created by coff_pointerize_aux. */ 543unsigned int fix_tag : 1; 544 545 /* Should the endidx field of this symbol be renumbered. 546 Created by coff_pointerize_aux. */ 547unsigned int fix_end : 1; 548 549 /* Should the x_csect.x_scnlen field be renumbered. 550 Created by coff_pointerize_aux. */ 551unsigned int fix_scnlen : 1; 552 553 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the 554 index into the line number entries. Set by 555 coff_slurp_symbol_table. */ 556unsigned int fix_line : 1; 557 558 /* The container for the symbol structure as read and translated 559 from the file. */ 560 561union { 562 union internal_auxent auxent; 563 struct internal_syment syment; 564 } u; 565} combined_entry_type; 566 567 568 /* Each canonical asymbol really looks like this: */ 569 570typedef struct coff_symbol_struct 571{ 572 /* The actual symbol which the rest of BFD works with */ 573asymbol symbol; 574 575 /* A pointer to the hidden information for this symbol */ 576combined_entry_type *native; 577 578 /* A pointer to the linenumber information for this symbol */ 579struct lineno_cache_entry *lineno; 580 581 /* Have the line numbers been relocated yet ? */ 582boolean done_lineno; 583} coff_symbol_type; 584typedef struct 585{ 586 void (*_bfd_coff_swap_aux_in) PARAMS (( 587 bfd *abfd, 588 PTR ext, 589 int type, 590 int class, 591 int indaux, 592 int numaux, 593 PTR in)); 594 595 void (*_bfd_coff_swap_sym_in) PARAMS (( 596 bfd *abfd , 597 PTR ext, 598 PTR in)); 599 600 void (*_bfd_coff_swap_lineno_in) PARAMS (( 601 bfd *abfd, 602 PTR ext, 603 PTR in)); 604 605 unsigned int (*_bfd_coff_swap_aux_out) PARAMS (( 606 bfd *abfd, 607 PTR in, 608 int type, 609 int class, 610 int indaux, 611 int numaux, 612 PTR ext)); 613 614 unsigned int (*_bfd_coff_swap_sym_out) PARAMS (( 615 bfd *abfd, 616 PTR in, 617 PTR ext)); 618 619 unsigned int (*_bfd_coff_swap_lineno_out) PARAMS (( 620 bfd *abfd, 621 PTR in, 622 PTR ext)); 623 624 unsigned int (*_bfd_coff_swap_reloc_out) PARAMS (( 625 bfd *abfd, 626 PTR src, 627 PTR dst)); 628 629 unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS (( 630 bfd *abfd, 631 PTR in, 632 PTR out)); 633 634 unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS (( 635 bfd *abfd, 636 PTR in, 637 PTR out)); 638 639 unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS (( 640 bfd *abfd, 641 PTR in, 642 PTR out)); 643 644 unsigned int _bfd_filhsz; 645 unsigned int _bfd_aoutsz; 646 unsigned int _bfd_scnhsz; 647 unsigned int _bfd_symesz; 648 unsigned int _bfd_auxesz; 649 unsigned int _bfd_relsz; 650 unsigned int _bfd_linesz; 651 boolean _bfd_coff_long_filenames; 652 boolean _bfd_coff_long_section_names; 653 unsigned int _bfd_coff_default_section_alignment_power; 654 void (*_bfd_coff_swap_filehdr_in) PARAMS (( 655 bfd *abfd, 656 PTR ext, 657 PTR in)); 658 void (*_bfd_coff_swap_aouthdr_in) PARAMS (( 659 bfd *abfd, 660 PTR ext, 661 PTR in)); 662 void (*_bfd_coff_swap_scnhdr_in) PARAMS (( 663 bfd *abfd, 664 PTR ext, 665 PTR in)); 666 void (*_bfd_coff_swap_reloc_in) PARAMS (( 667 bfd *abfd, 668 PTR ext, 669 PTR in)); 670 boolean (*_bfd_coff_bad_format_hook) PARAMS (( 671 bfd *abfd, 672 PTR internal_filehdr)); 673 boolean (*_bfd_coff_set_arch_mach_hook) PARAMS (( 674 bfd *abfd, 675 PTR internal_filehdr)); 676 PTR (*_bfd_coff_mkobject_hook) PARAMS (( 677 bfd *abfd, 678 PTR internal_filehdr, 679 PTR internal_aouthdr)); 680 flagword (*_bfd_styp_to_sec_flags_hook) PARAMS (( 681 bfd *abfd, 682 PTR internal_scnhdr, 683 const char *name)); 684 void (*_bfd_set_alignment_hook) PARAMS (( 685 bfd *abfd, 686 asection *sec, 687 PTR internal_scnhdr)); 688 boolean (*_bfd_coff_slurp_symbol_table) PARAMS (( 689 bfd *abfd)); 690 boolean (*_bfd_coff_symname_in_debug) PARAMS (( 691 bfd *abfd, 692 struct internal_syment *sym)); 693 boolean (*_bfd_coff_pointerize_aux_hook) PARAMS (( 694 bfd *abfd, 695 combined_entry_type *table_base, 696 combined_entry_type *symbol, 697 unsigned int indaux, 698 combined_entry_type *aux)); 699 boolean (*_bfd_coff_print_aux) PARAMS (( 700 bfd *abfd, 701 FILE *file, 702 combined_entry_type *table_base, 703 combined_entry_type *symbol, 704 combined_entry_type *aux, 705 unsigned int indaux)); 706 void (*_bfd_coff_reloc16_extra_cases) PARAMS (( 707 bfd *abfd, 708 struct bfd_link_info *link_info, 709 struct bfd_link_order *link_order, 710 arelent *reloc, 711 bfd_byte *data, 712 unsigned int *src_ptr, 713 unsigned int *dst_ptr)); 714 int (*_bfd_coff_reloc16_estimate) PARAMS (( 715 bfd *abfd, 716 asection *input_section, 717 arelent *r, 718 unsigned int shrink, 719 struct bfd_link_info *link_info)); 720 boolean (*_bfd_coff_sym_is_global) PARAMS (( 721 bfd *abfd, 722 struct internal_syment *)); 723 boolean (*_bfd_coff_compute_section_file_positions) PARAMS (( 724 bfd *abfd)); 725 boolean (*_bfd_coff_start_final_link) PARAMS (( 726 bfd *output_bfd, 727 struct bfd_link_info *info)); 728 boolean (*_bfd_coff_relocate_section) PARAMS (( 729 bfd *output_bfd, 730 struct bfd_link_info *info, 731 bfd *input_bfd, 732 asection *input_section, 733 bfd_byte *contents, 734 struct internal_reloc *relocs, 735 struct internal_syment *syms, 736 asection **sections)); 737 reloc_howto_type *(*_bfd_coff_rtype_to_howto) PARAMS (( 738 bfd *abfd, 739 asection *sec, 740 struct internal_reloc *rel, 741 struct coff_link_hash_entry *h, 742 struct internal_syment *sym, 743 bfd_vma *addendp)); 744 boolean (*_bfd_coff_adjust_symndx) PARAMS (( 745 bfd *obfd, 746 struct bfd_link_info *info, 747 bfd *ibfd, 748 asection *sec, 749 struct internal_reloc *reloc, 750 boolean *adjustedp)); 751 boolean (*_bfd_coff_link_add_one_symbol) PARAMS (( 752 struct bfd_link_info *info, 753 bfd *abfd, 754 const char *name, 755 flagword flags, 756 asection *section, 757 bfd_vma value, 758 const char *string, 759 boolean copy, 760 boolean collect, 761 struct bfd_link_hash_entry **hashp)); 762 763 boolean (*_bfd_coff_link_output_has_begun) PARAMS (( 764 bfd * abfd )); 765 boolean (*_bfd_coff_final_link_postscript) PARAMS (( 766 bfd * abfd, 767 struct coff_final_link_info * pfinfo)); 768 769} bfd_coff_backend_data; 770 771#define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) 772 773#define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ 774 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) 775 776#define bfd_coff_swap_sym_in(a,e,i) \ 777 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) 778 779#define bfd_coff_swap_lineno_in(a,e,i) \ 780 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) 781 782#define bfd_coff_swap_reloc_out(abfd, i, o) \ 783 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) 784 785#define bfd_coff_swap_lineno_out(abfd, i, o) \ 786 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) 787 788#define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ 789 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) 790 791#define bfd_coff_swap_sym_out(abfd, i,o) \ 792 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) 793 794#define bfd_coff_swap_scnhdr_out(abfd, i,o) \ 795 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) 796 797#define bfd_coff_swap_filehdr_out(abfd, i,o) \ 798 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) 799 800#define bfd_coff_swap_aouthdr_out(abfd, i,o) \ 801 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) 802 803#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) 804#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) 805#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) 806#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) 807#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) 808#define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) 809#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) 810#define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames) 811#define bfd_coff_long_section_names(abfd) \ 812 (coff_backend_info (abfd)->_bfd_coff_long_section_names) 813#define bfd_coff_default_section_alignment_power(abfd) \ 814 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) 815#define bfd_coff_swap_filehdr_in(abfd, i,o) \ 816 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) 817 818#define bfd_coff_swap_aouthdr_in(abfd, i,o) \ 819 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) 820 821#define bfd_coff_swap_scnhdr_in(abfd, i,o) \ 822 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) 823 824#define bfd_coff_swap_reloc_in(abfd, i, o) \ 825 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) 826 827#define bfd_coff_bad_format_hook(abfd, filehdr) \ 828 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) 829 830#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ 831 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) 832#define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ 833 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr)) 834 835#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name)\ 836 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr, name)) 837 838#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ 839 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) 840 841#define bfd_coff_slurp_symbol_table(abfd)\ 842 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) 843 844#define bfd_coff_symname_in_debug(abfd, sym)\ 845 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) 846 847#define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ 848 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ 849 (abfd, file, base, symbol, aux, indaux)) 850 851#define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\ 852 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ 853 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) 854 855#define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ 856 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ 857 (abfd, section, reloc, shrink, link_info)) 858 859#define bfd_coff_sym_is_global(abfd, sym)\ 860 ((coff_backend_info (abfd)->_bfd_coff_sym_is_global)\ 861 (abfd, sym)) 862 863#define bfd_coff_compute_section_file_positions(abfd)\ 864 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ 865 (abfd)) 866 867#define bfd_coff_start_final_link(obfd, info)\ 868 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ 869 (obfd, info)) 870#define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ 871 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ 872 (obfd, info, ibfd, o, con, rel, isyms, secs)) 873#define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ 874 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ 875 (abfd, sec, rel, h, sym, addendp)) 876#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ 877 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ 878 (obfd, info, ibfd, sec, rel, adjustedp)) 879#define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\ 880 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ 881 (info, abfd, name, flags, section, value, string, cp, coll, hashp)) 882 883#define bfd_coff_link_output_has_begun(a) \ 884 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a)) 885#define bfd_coff_final_link_postscript(a,p) \ 886 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p)) 887 888