| 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 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
| 7 | 2000, 2001, 2002, 2003, 2004, 2005 |
| 8 | Free Software Foundation, Inc. |
| 9 | Written by Cygnus Support. |
| 10 | |
| 11 | This file is part of BFD, the Binary File Descriptor library. |
| 12 | |
| 13 | This program is free software; you can redistribute it and/or modify |
| 14 | it under the terms of the GNU General Public License as published by |
| 15 | the Free Software Foundation; either version 2 of the License, or |
| 16 | (at your option) any later version. |
| 17 | |
| 18 | This program is distributed in the hope that it will be useful, |
| 19 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | GNU General Public License for more details. |
| 22 | |
| 23 | You should have received a copy of the GNU General Public License |
| 24 | along with this program; if not, write to the Free Software |
| 25 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
| 26 | |
| 27 | #include "bfdlink.h" |
| 28 | |
| 29 | /* Object file tdata; access macros. */ |
| 30 | |
| 31 | #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) |
| 32 | #define exec_hdr(bfd) (coff_data (bfd)->hdr) |
| 33 | #define obj_pe(bfd) (coff_data (bfd)->pe) |
| 34 | #define obj_symbols(bfd) (coff_data (bfd)->symbols) |
| 35 | #define obj_sym_filepos(bfd) (coff_data (bfd)->sym_filepos) |
| 36 | #define obj_relocbase(bfd) (coff_data (bfd)->relocbase) |
| 37 | #define obj_raw_syments(bfd) (coff_data (bfd)->raw_syments) |
| 38 | #define obj_raw_syment_count(bfd) (coff_data (bfd)->raw_syment_count) |
| 39 | #define obj_convert(bfd) (coff_data (bfd)->conversion_table) |
| 40 | #define obj_conv_table_size(bfd) (coff_data (bfd)->conv_table_size) |
| 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 | #define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written) |
| 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 | void * external_syms; |
| 78 | /* If this is TRUE, the external_syms may not be freed. */ |
| 79 | bfd_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 | bfd_boolean keep_strings; |
| 86 | /* If this is TRUE, the strings have been written out already. */ |
| 87 | bfd_boolean strings_written; |
| 88 | |
| 89 | /* Is this a PE format coff file? */ |
| 90 | int pe; |
| 91 | /* Used by the COFF backend linker. */ |
| 92 | struct coff_link_hash_entry **sym_hashes; |
| 93 | |
| 94 | /* Used by the pe linker for PowerPC. */ |
| 95 | int *local_toc_sym_map; |
| 96 | |
| 97 | struct bfd_link_info *link_info; |
| 98 | |
| 99 | /* Used by coff_find_nearest_line. */ |
| 100 | void * line_info; |
| 101 | |
| 102 | /* A place to stash dwarf2 info for this bfd. */ |
| 103 | void * dwarf2_find_line_info; |
| 104 | |
| 105 | /* The timestamp from the COFF file header. */ |
| 106 | long timestamp; |
| 107 | |
| 108 | /* Copy of some of the f_flags bits in the COFF filehdr structure, |
| 109 | used by ARM code. */ |
| 110 | flagword flags; |
| 111 | |
| 112 | } coff_data_type; |
| 113 | |
| 114 | /* Tdata for pe image files. */ |
| 115 | typedef struct pe_tdata |
| 116 | { |
| 117 | coff_data_type coff; |
| 118 | struct internal_extra_pe_aouthdr pe_opthdr; |
| 119 | int dll; |
| 120 | int has_reloc_section; |
| 121 | bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); |
| 122 | flagword real_flags; |
| 123 | int target_subsystem; |
| 124 | bfd_boolean force_minimum_alignment; |
| 125 | } pe_data_type; |
| 126 | |
| 127 | #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) |
| 128 | |
| 129 | /* Tdata for XCOFF files. */ |
| 130 | |
| 131 | struct xcoff_tdata |
| 132 | { |
| 133 | /* Basic COFF information. */ |
| 134 | coff_data_type coff; |
| 135 | |
| 136 | /* TRUE if this is an XCOFF64 file. */ |
| 137 | bfd_boolean xcoff64; |
| 138 | |
| 139 | /* TRUE if a large a.out header should be generated. */ |
| 140 | bfd_boolean full_aouthdr; |
| 141 | |
| 142 | /* TOC value. */ |
| 143 | bfd_vma toc; |
| 144 | |
| 145 | /* Index of section holding TOC. */ |
| 146 | int sntoc; |
| 147 | |
| 148 | /* Index of section holding entry point. */ |
| 149 | int snentry; |
| 150 | |
| 151 | /* .text alignment from optional header. */ |
| 152 | int text_align_power; |
| 153 | |
| 154 | /* .data alignment from optional header. */ |
| 155 | int data_align_power; |
| 156 | |
| 157 | /* modtype from optional header. */ |
| 158 | short modtype; |
| 159 | |
| 160 | /* cputype from optional header. */ |
| 161 | short cputype; |
| 162 | |
| 163 | /* maxdata from optional header. */ |
| 164 | bfd_vma maxdata; |
| 165 | |
| 166 | /* maxstack from optional header. */ |
| 167 | bfd_vma maxstack; |
| 168 | |
| 169 | /* Used by the XCOFF backend linker. */ |
| 170 | asection **csects; |
| 171 | unsigned long *debug_indices; |
| 172 | unsigned int import_file_id; |
| 173 | }; |
| 174 | |
| 175 | #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) |
| 176 | |
| 177 | /* We take the address of the first element of an asymbol to ensure that the |
| 178 | macro is only ever applied to an asymbol. */ |
| 179 | #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) |
| 180 | |
| 181 | /* The used_by_bfd field of a section may be set to a pointer to this |
| 182 | structure. */ |
| 183 | |
| 184 | struct coff_section_tdata |
| 185 | { |
| 186 | /* The relocs, swapped into COFF internal form. This may be NULL. */ |
| 187 | struct internal_reloc *relocs; |
| 188 | /* If this is TRUE, the relocs entry may not be freed. */ |
| 189 | bfd_boolean keep_relocs; |
| 190 | /* The section contents. This may be NULL. */ |
| 191 | bfd_byte *contents; |
| 192 | /* If this is TRUE, the contents entry may not be freed. */ |
| 193 | bfd_boolean keep_contents; |
| 194 | /* Information cached by coff_find_nearest_line. */ |
| 195 | bfd_vma offset; |
| 196 | unsigned int i; |
| 197 | const char *function; |
| 198 | /* Optional information about a COMDAT entry; NULL if not COMDAT. */ |
| 199 | struct coff_comdat_info *comdat; |
| 200 | int line_base; |
| 201 | /* A pointer used for .stab linking optimizations. */ |
| 202 | void * stab_info; |
| 203 | /* Available for individual backends. */ |
| 204 | void * tdata; |
| 205 | }; |
| 206 | |
| 207 | /* An accessor macro for the coff_section_tdata structure. */ |
| 208 | #define coff_section_data(abfd, sec) \ |
| 209 | ((struct coff_section_tdata *) (sec)->used_by_bfd) |
| 210 | |
| 211 | /* Tdata for sections in XCOFF files. This is used by the linker. */ |
| 212 | |
| 213 | struct xcoff_section_tdata |
| 214 | { |
| 215 | /* Used for XCOFF csects created by the linker; points to the real |
| 216 | XCOFF section which contains this csect. */ |
| 217 | asection *enclosing; |
| 218 | /* The lineno_count field for the enclosing section, because we are |
| 219 | going to clobber it there. */ |
| 220 | unsigned int lineno_count; |
| 221 | /* The first and one past the last symbol indices for symbols used |
| 222 | by this csect. */ |
| 223 | unsigned long first_symndx; |
| 224 | unsigned long last_symndx; |
| 225 | }; |
| 226 | |
| 227 | /* An accessor macro the xcoff_section_tdata structure. */ |
| 228 | #define xcoff_section_data(abfd, sec) \ |
| 229 | ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) |
| 230 | |
| 231 | /* Tdata for sections in PE files. */ |
| 232 | |
| 233 | struct pei_section_tdata |
| 234 | { |
| 235 | /* The virtual size of the section. */ |
| 236 | bfd_size_type virt_size; |
| 237 | /* The PE section flags. */ |
| 238 | long pe_flags; |
| 239 | }; |
| 240 | |
| 241 | /* An accessor macro for the pei_section_tdata structure. */ |
| 242 | #define pei_section_data(abfd, sec) \ |
| 243 | ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata) |
| 244 | |
| 245 | /* COFF linker hash table entries. */ |
| 246 | |
| 247 | struct coff_link_hash_entry |
| 248 | { |
| 249 | struct bfd_link_hash_entry root; |
| 250 | |
| 251 | /* Symbol index in output file. Set to -1 initially. Set to -2 if |
| 252 | there is a reloc against this symbol. */ |
| 253 | long indx; |
| 254 | |
| 255 | /* Symbol type. */ |
| 256 | unsigned short type; |
| 257 | |
| 258 | /* Symbol class. */ |
| 259 | unsigned char class; |
| 260 | |
| 261 | /* Number of auxiliary entries. */ |
| 262 | char numaux; |
| 263 | |
| 264 | /* BFD to take auxiliary entries from. */ |
| 265 | bfd *auxbfd; |
| 266 | |
| 267 | /* Pointer to array of auxiliary entries, if any. */ |
| 268 | union internal_auxent *aux; |
| 269 | |
| 270 | /* Flag word; legal values follow. */ |
| 271 | unsigned short coff_link_hash_flags; |
| 272 | /* Symbol is a PE section symbol. */ |
| 273 | #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) |
| 274 | }; |
| 275 | |
| 276 | /* COFF linker hash table. */ |
| 277 | |
| 278 | struct coff_link_hash_table |
| 279 | { |
| 280 | struct bfd_link_hash_table root; |
| 281 | /* A pointer to information used to link stabs in sections. */ |
| 282 | struct stab_info stab_info; |
| 283 | }; |
| 284 | |
| 285 | /* Look up an entry in a COFF linker hash table. */ |
| 286 | |
| 287 | #define coff_link_hash_lookup(table, string, create, copy, follow) \ |
| 288 | ((struct coff_link_hash_entry *) \ |
| 289 | bfd_link_hash_lookup (&(table)->root, (string), (create), \ |
| 290 | (copy), (follow))) |
| 291 | |
| 292 | /* Traverse a COFF linker hash table. */ |
| 293 | |
| 294 | #define coff_link_hash_traverse(table, func, info) \ |
| 295 | (bfd_link_hash_traverse \ |
| 296 | (&(table)->root, \ |
| 297 | (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \ |
| 298 | (info))) |
| 299 | |
| 300 | /* Get the COFF linker hash table from a link_info structure. */ |
| 301 | |
| 302 | #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash)) |
| 303 | |
| 304 | /* Functions in coffgen.c. */ |
| 305 | extern const bfd_target *coff_object_p |
| 306 | (bfd *); |
| 307 | extern struct bfd_section *coff_section_from_bfd_index |
| 308 | (bfd *, int); |
| 309 | extern long coff_get_symtab_upper_bound |
| 310 | (bfd *); |
| 311 | extern long coff_canonicalize_symtab |
| 312 | (bfd *, asymbol **); |
| 313 | extern int coff_count_linenumbers |
| 314 | (bfd *); |
| 315 | extern struct coff_symbol_struct *coff_symbol_from |
| 316 | (bfd *, asymbol *); |
| 317 | extern bfd_boolean coff_renumber_symbols |
| 318 | (bfd *, int *); |
| 319 | extern void coff_mangle_symbols |
| 320 | (bfd *); |
| 321 | extern bfd_boolean coff_write_symbols |
| 322 | (bfd *); |
| 323 | extern bfd_boolean coff_write_linenumbers |
| 324 | (bfd *); |
| 325 | extern alent *coff_get_lineno |
| 326 | (bfd *, asymbol *); |
| 327 | extern asymbol *coff_section_symbol |
| 328 | (bfd *, char *); |
| 329 | extern bfd_boolean _bfd_coff_get_external_symbols |
| 330 | (bfd *); |
| 331 | extern const char *_bfd_coff_read_string_table |
| 332 | (bfd *); |
| 333 | extern bfd_boolean _bfd_coff_free_symbols |
| 334 | (bfd *); |
| 335 | extern struct coff_ptr_struct *coff_get_normalized_symtab |
| 336 | (bfd *); |
| 337 | extern long coff_get_reloc_upper_bound |
| 338 | (bfd *, sec_ptr); |
| 339 | extern asymbol *coff_make_empty_symbol |
| 340 | (bfd *); |
| 341 | extern void coff_print_symbol |
| 342 | (bfd *, void * filep, asymbol *, bfd_print_symbol_type); |
| 343 | extern void coff_get_symbol_info |
| 344 | (bfd *, asymbol *, symbol_info *ret); |
| 345 | extern bfd_boolean _bfd_coff_is_local_label_name |
| 346 | (bfd *, const char *); |
| 347 | extern asymbol *coff_bfd_make_debug_symbol |
| 348 | (bfd *, void *, unsigned long); |
| 349 | extern bfd_boolean coff_find_nearest_line |
| 350 | (bfd *, asection *, asymbol **, bfd_vma, const char **, |
| 351 | const char **, unsigned int *); |
| 352 | extern int coff_sizeof_headers |
| 353 | (bfd *, bfd_boolean); |
| 354 | extern bfd_boolean bfd_coff_reloc16_relax_section |
| 355 | (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); |
| 356 | extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents |
| 357 | (bfd *, struct bfd_link_info *, struct bfd_link_order *, |
| 358 | bfd_byte *, bfd_boolean, asymbol **); |
| 359 | extern bfd_vma bfd_coff_reloc16_get_value |
| 360 | (arelent *, struct bfd_link_info *, asection *); |
| 361 | extern void bfd_perform_slip |
| 362 | (bfd *, unsigned int, asection *, bfd_vma); |
| 363 | |
| 364 | /* Functions and types in cofflink.c. */ |
| 365 | |
| 366 | #define STRING_SIZE_SIZE 4 |
| 367 | |
| 368 | /* We use a hash table to merge identical enum, struct, and union |
| 369 | definitions in the linker. */ |
| 370 | |
| 371 | /* Information we keep for a single element (an enum value, a |
| 372 | structure or union field) in the debug merge hash table. */ |
| 373 | |
| 374 | struct coff_debug_merge_element |
| 375 | { |
| 376 | /* Next element. */ |
| 377 | struct coff_debug_merge_element *next; |
| 378 | |
| 379 | /* Name. */ |
| 380 | const char *name; |
| 381 | |
| 382 | /* Type. */ |
| 383 | unsigned int type; |
| 384 | |
| 385 | /* Symbol index for complex type. */ |
| 386 | long tagndx; |
| 387 | }; |
| 388 | |
| 389 | /* A linked list of debug merge entries for a given name. */ |
| 390 | |
| 391 | struct coff_debug_merge_type |
| 392 | { |
| 393 | /* Next type with the same name. */ |
| 394 | struct coff_debug_merge_type *next; |
| 395 | |
| 396 | /* Class of type. */ |
| 397 | int class; |
| 398 | |
| 399 | /* Symbol index where this type is defined. */ |
| 400 | long indx; |
| 401 | |
| 402 | /* List of elements. */ |
| 403 | struct coff_debug_merge_element *elements; |
| 404 | }; |
| 405 | |
| 406 | /* Information we store in the debug merge hash table. */ |
| 407 | |
| 408 | struct coff_debug_merge_hash_entry |
| 409 | { |
| 410 | struct bfd_hash_entry root; |
| 411 | |
| 412 | /* A list of types with this name. */ |
| 413 | struct coff_debug_merge_type *types; |
| 414 | }; |
| 415 | |
| 416 | /* The debug merge hash table. */ |
| 417 | |
| 418 | struct coff_debug_merge_hash_table |
| 419 | { |
| 420 | struct bfd_hash_table root; |
| 421 | }; |
| 422 | |
| 423 | /* Initialize a COFF debug merge hash table. */ |
| 424 | |
| 425 | #define coff_debug_merge_hash_table_init(table) \ |
| 426 | (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc)) |
| 427 | |
| 428 | /* Free a COFF debug merge hash table. */ |
| 429 | |
| 430 | #define coff_debug_merge_hash_table_free(table) \ |
| 431 | (bfd_hash_table_free (&(table)->root)) |
| 432 | |
| 433 | /* Look up an entry in a COFF debug merge hash table. */ |
| 434 | |
| 435 | #define coff_debug_merge_hash_lookup(table, string, create, copy) \ |
| 436 | ((struct coff_debug_merge_hash_entry *) \ |
| 437 | bfd_hash_lookup (&(table)->root, (string), (create), (copy))) |
| 438 | |
| 439 | /* Information we keep for each section in the output file when doing |
| 440 | a relocatable link. */ |
| 441 | |
| 442 | struct coff_link_section_info |
| 443 | { |
| 444 | /* The relocs to be output. */ |
| 445 | struct internal_reloc *relocs; |
| 446 | /* For each reloc against a global symbol whose index was not known |
| 447 | when the reloc was handled, the global hash table entry. */ |
| 448 | struct coff_link_hash_entry **rel_hashes; |
| 449 | }; |
| 450 | |
| 451 | /* Information that we pass around while doing the final link step. */ |
| 452 | |
| 453 | struct coff_final_link_info |
| 454 | { |
| 455 | /* General link information. */ |
| 456 | struct bfd_link_info *info; |
| 457 | /* Output BFD. */ |
| 458 | bfd *output_bfd; |
| 459 | /* Used to indicate failure in traversal routine. */ |
| 460 | bfd_boolean failed; |
| 461 | /* If doing "task linking" set only during the time when we want the |
| 462 | global symbol writer to convert the storage class of defined global |
| 463 | symbols from global to static. */ |
| 464 | bfd_boolean global_to_static; |
| 465 | /* Hash table for long symbol names. */ |
| 466 | struct bfd_strtab_hash *strtab; |
| 467 | /* When doing a relocatable link, an array of information kept for |
| 468 | each output section, indexed by the target_index field. */ |
| 469 | struct coff_link_section_info *section_info; |
| 470 | /* Symbol index of last C_FILE symbol (-1 if none). */ |
| 471 | long last_file_index; |
| 472 | /* Contents of last C_FILE symbol. */ |
| 473 | struct internal_syment last_file; |
| 474 | /* Symbol index of first aux entry of last .bf symbol with an empty |
| 475 | endndx field (-1 if none). */ |
| 476 | long last_bf_index; |
| 477 | /* Contents of last_bf_index aux entry. */ |
| 478 | union internal_auxent last_bf; |
| 479 | /* Hash table used to merge debug information. */ |
| 480 | struct coff_debug_merge_hash_table debug_merge; |
| 481 | /* Buffer large enough to hold swapped symbols of any input file. */ |
| 482 | struct internal_syment *internal_syms; |
| 483 | /* Buffer large enough to hold sections of symbols of any input file. */ |
| 484 | asection **sec_ptrs; |
| 485 | /* Buffer large enough to hold output indices of symbols of any |
| 486 | input file. */ |
| 487 | long *sym_indices; |
| 488 | /* Buffer large enough to hold output symbols for any input file. */ |
| 489 | bfd_byte *outsyms; |
| 490 | /* Buffer large enough to hold external line numbers for any input |
| 491 | section. */ |
| 492 | bfd_byte *linenos; |
| 493 | /* Buffer large enough to hold any input section. */ |
| 494 | bfd_byte *contents; |
| 495 | /* Buffer large enough to hold external relocs of any input section. */ |
| 496 | bfd_byte *external_relocs; |
| 497 | /* Buffer large enough to hold swapped relocs of any input section. */ |
| 498 | struct internal_reloc *internal_relocs; |
| 499 | }; |
| 500 | |
| 501 | /* Most COFF variants have no way to record the alignment of a |
| 502 | section. This struct is used to set a specific alignment based on |
| 503 | the name of the section. */ |
| 504 | |
| 505 | struct coff_section_alignment_entry |
| 506 | { |
| 507 | /* The section name. */ |
| 508 | const char *name; |
| 509 | |
| 510 | /* This is either (unsigned int) -1, indicating that the section |
| 511 | name must match exactly, or it is the number of letters which |
| 512 | must match at the start of the name. */ |
| 513 | unsigned int comparison_length; |
| 514 | |
| 515 | /* These macros may be used to fill in the first two fields in a |
| 516 | structure initialization. */ |
| 517 | #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) |
| 518 | #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) |
| 519 | |
| 520 | /* Only use this entry if the default section alignment for this |
| 521 | target is at least that much (as a power of two). If this field |
| 522 | is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ |
| 523 | unsigned int default_alignment_min; |
| 524 | |
| 525 | /* Only use this entry if the default section alignment for this |
| 526 | target is no greater than this (as a power of two). If this |
| 527 | field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ |
| 528 | unsigned int default_alignment_max; |
| 529 | |
| 530 | #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) |
| 531 | |
| 532 | /* The desired alignment for this section (as a power of two). */ |
| 533 | unsigned int alignment_power; |
| 534 | }; |
| 535 | |
| 536 | extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc |
| 537 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
| 538 | extern bfd_boolean _bfd_coff_link_hash_table_init |
| 539 | (struct coff_link_hash_table *, bfd *, |
| 540 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, |
| 541 | struct bfd_hash_table *, |
| 542 | const char *)); |
| 543 | extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create |
| 544 | (bfd *); |
| 545 | extern const char *_bfd_coff_internal_syment_name |
| 546 | (bfd *, const struct internal_syment *, char *); |
| 547 | extern bfd_boolean _bfd_coff_link_add_symbols |
| 548 | (bfd *, struct bfd_link_info *); |
| 549 | extern bfd_boolean _bfd_coff_final_link |
| 550 | (bfd *, struct bfd_link_info *); |
| 551 | extern struct internal_reloc *_bfd_coff_read_internal_relocs |
| 552 | (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, |
| 553 | struct internal_reloc *); |
| 554 | extern bfd_boolean _bfd_coff_generic_relocate_section |
| 555 | (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
| 556 | struct internal_reloc *, struct internal_syment *, asection **); |
| 557 | extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc |
| 558 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
| 559 | extern bfd_boolean _bfd_coff_write_global_sym |
| 560 | (struct coff_link_hash_entry *, void *); |
| 561 | extern bfd_boolean _bfd_coff_write_task_globals |
| 562 | (struct coff_link_hash_entry *, void *); |
| 563 | extern bfd_boolean _bfd_coff_link_input_bfd |
| 564 | (struct coff_final_link_info *, bfd *); |
| 565 | extern bfd_boolean _bfd_coff_reloc_link_order |
| 566 | (bfd *, struct coff_final_link_info *, asection *, |
| 567 | struct bfd_link_order *); |
| 568 | |
| 569 | |
| 570 | #define coff_get_section_contents_in_window \ |
| 571 | _bfd_generic_get_section_contents_in_window |
| 572 | |
| 573 | /* Functions in xcofflink.c. */ |
| 574 | |
| 575 | extern long _bfd_xcoff_get_dynamic_symtab_upper_bound |
| 576 | (bfd *); |
| 577 | extern long _bfd_xcoff_canonicalize_dynamic_symtab |
| 578 | (bfd *, asymbol **); |
| 579 | extern long _bfd_xcoff_get_dynamic_reloc_upper_bound |
| 580 | (bfd *); |
| 581 | extern long _bfd_xcoff_canonicalize_dynamic_reloc |
| 582 | (bfd *, arelent **, asymbol **); |
| 583 | extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create |
| 584 | (bfd *); |
| 585 | extern void _bfd_xcoff_bfd_link_hash_table_free |
| 586 | (struct bfd_link_hash_table *); |
| 587 | extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols |
| 588 | (bfd *, struct bfd_link_info *); |
| 589 | extern bfd_boolean _bfd_xcoff_bfd_final_link |
| 590 | (bfd *, struct bfd_link_info *); |
| 591 | extern bfd_boolean _bfd_ppc_xcoff_relocate_section |
| 592 | (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
| 593 | struct internal_reloc *, struct internal_syment *, asection **); |
| 594 | |
| 595 | /* Functions in coff-ppc.c. FIXME: These are called be pe.em in the |
| 596 | linker, and so should start with bfd and be declared in bfd.h. */ |
| 597 | |
| 598 | extern bfd_boolean ppc_allocate_toc_section |
| 599 | (struct bfd_link_info *); |
| 600 | extern bfd_boolean ppc_process_before_allocation |
| 601 | (bfd *, struct bfd_link_info *); |
| 602 | |
| 603 | /* Extracted from coffcode.h. */ |
| 604 | typedef struct coff_ptr_struct |
| 605 | { |
| 606 | /* Remembers the offset from the first symbol in the file for |
| 607 | this symbol. Generated by coff_renumber_symbols. */ |
| 608 | unsigned int offset; |
| 609 | |
| 610 | /* Should the value of this symbol be renumbered. Used for |
| 611 | XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ |
| 612 | unsigned int fix_value : 1; |
| 613 | |
| 614 | /* Should the tag field of this symbol be renumbered. |
| 615 | Created by coff_pointerize_aux. */ |
| 616 | unsigned int fix_tag : 1; |
| 617 | |
| 618 | /* Should the endidx field of this symbol be renumbered. |
| 619 | Created by coff_pointerize_aux. */ |
| 620 | unsigned int fix_end : 1; |
| 621 | |
| 622 | /* Should the x_csect.x_scnlen field be renumbered. |
| 623 | Created by coff_pointerize_aux. */ |
| 624 | unsigned int fix_scnlen : 1; |
| 625 | |
| 626 | /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the |
| 627 | index into the line number entries. Set by coff_slurp_symbol_table. */ |
| 628 | unsigned int fix_line : 1; |
| 629 | |
| 630 | /* The container for the symbol structure as read and translated |
| 631 | from the file. */ |
| 632 | union |
| 633 | { |
| 634 | union internal_auxent auxent; |
| 635 | struct internal_syment syment; |
| 636 | } u; |
| 637 | } combined_entry_type; |
| 638 | |
| 639 | |
| 640 | /* Each canonical asymbol really looks like this: */ |
| 641 | |
| 642 | typedef struct coff_symbol_struct |
| 643 | { |
| 644 | /* The actual symbol which the rest of BFD works with */ |
| 645 | asymbol symbol; |
| 646 | |
| 647 | /* A pointer to the hidden information for this symbol */ |
| 648 | combined_entry_type *native; |
| 649 | |
| 650 | /* A pointer to the linenumber information for this symbol */ |
| 651 | struct lineno_cache_entry *lineno; |
| 652 | |
| 653 | /* Have the line numbers been relocated yet ? */ |
| 654 | bfd_boolean done_lineno; |
| 655 | } coff_symbol_type; |
| 656 | /* COFF symbol classifications. */ |
| 657 | |
| 658 | enum coff_symbol_classification |
| 659 | { |
| 660 | /* Global symbol. */ |
| 661 | COFF_SYMBOL_GLOBAL, |
| 662 | /* Common symbol. */ |
| 663 | COFF_SYMBOL_COMMON, |
| 664 | /* Undefined symbol. */ |
| 665 | COFF_SYMBOL_UNDEFINED, |
| 666 | /* Local symbol. */ |
| 667 | COFF_SYMBOL_LOCAL, |
| 668 | /* PE section symbol. */ |
| 669 | COFF_SYMBOL_PE_SECTION |
| 670 | }; |
| 671 | |
| 672 | typedef struct |
| 673 | { |
| 674 | void (*_bfd_coff_swap_aux_in) |
| 675 | (bfd *, void *, int, int, int, int, void *); |
| 676 | |
| 677 | void (*_bfd_coff_swap_sym_in) |
| 678 | (bfd *, void *, void *); |
| 679 | |
| 680 | void (*_bfd_coff_swap_lineno_in) |
| 681 | (bfd *, void *, void *); |
| 682 | |
| 683 | unsigned int (*_bfd_coff_swap_aux_out) |
| 684 | (bfd *, void *, int, int, int, int, void *); |
| 685 | |
| 686 | unsigned int (*_bfd_coff_swap_sym_out) |
| 687 | (bfd *, void *, void *); |
| 688 | |
| 689 | unsigned int (*_bfd_coff_swap_lineno_out) |
| 690 | (bfd *, void *, void *); |
| 691 | |
| 692 | unsigned int (*_bfd_coff_swap_reloc_out) |
| 693 | (bfd *, void *, void *); |
| 694 | |
| 695 | unsigned int (*_bfd_coff_swap_filehdr_out) |
| 696 | (bfd *, void *, void *); |
| 697 | |
| 698 | unsigned int (*_bfd_coff_swap_aouthdr_out) |
| 699 | (bfd *, void *, void *); |
| 700 | |
| 701 | unsigned int (*_bfd_coff_swap_scnhdr_out) |
| 702 | (bfd *, void *, void *); |
| 703 | |
| 704 | unsigned int _bfd_filhsz; |
| 705 | unsigned int _bfd_aoutsz; |
| 706 | unsigned int _bfd_scnhsz; |
| 707 | unsigned int _bfd_symesz; |
| 708 | unsigned int _bfd_auxesz; |
| 709 | unsigned int _bfd_relsz; |
| 710 | unsigned int _bfd_linesz; |
| 711 | unsigned int _bfd_filnmlen; |
| 712 | bfd_boolean _bfd_coff_long_filenames; |
| 713 | bfd_boolean _bfd_coff_long_section_names; |
| 714 | unsigned int _bfd_coff_default_section_alignment_power; |
| 715 | bfd_boolean _bfd_coff_force_symnames_in_strings; |
| 716 | unsigned int _bfd_coff_debug_string_prefix_length; |
| 717 | |
| 718 | void (*_bfd_coff_swap_filehdr_in) |
| 719 | (bfd *, void *, void *); |
| 720 | |
| 721 | void (*_bfd_coff_swap_aouthdr_in) |
| 722 | (bfd *, void *, void *); |
| 723 | |
| 724 | void (*_bfd_coff_swap_scnhdr_in) |
| 725 | (bfd *, void *, void *); |
| 726 | |
| 727 | void (*_bfd_coff_swap_reloc_in) |
| 728 | (bfd *abfd, void *, void *); |
| 729 | |
| 730 | bfd_boolean (*_bfd_coff_bad_format_hook) |
| 731 | (bfd *, void *); |
| 732 | |
| 733 | bfd_boolean (*_bfd_coff_set_arch_mach_hook) |
| 734 | (bfd *, void *); |
| 735 | |
| 736 | void * (*_bfd_coff_mkobject_hook) |
| 737 | (bfd *, void *, void *); |
| 738 | |
| 739 | bfd_boolean (*_bfd_styp_to_sec_flags_hook) |
| 740 | (bfd *, void *, const char *, asection *, flagword *); |
| 741 | |
| 742 | void (*_bfd_set_alignment_hook) |
| 743 | (bfd *, asection *, void *); |
| 744 | |
| 745 | bfd_boolean (*_bfd_coff_slurp_symbol_table) |
| 746 | (bfd *); |
| 747 | |
| 748 | bfd_boolean (*_bfd_coff_symname_in_debug) |
| 749 | (bfd *, struct internal_syment *); |
| 750 | |
| 751 | bfd_boolean (*_bfd_coff_pointerize_aux_hook) |
| 752 | (bfd *, combined_entry_type *, combined_entry_type *, |
| 753 | unsigned int, combined_entry_type *); |
| 754 | |
| 755 | bfd_boolean (*_bfd_coff_print_aux) |
| 756 | (bfd *, FILE *, combined_entry_type *, combined_entry_type *, |
| 757 | combined_entry_type *, unsigned int); |
| 758 | |
| 759 | void (*_bfd_coff_reloc16_extra_cases) |
| 760 | (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, |
| 761 | bfd_byte *, unsigned int *, unsigned int *); |
| 762 | |
| 763 | int (*_bfd_coff_reloc16_estimate) |
| 764 | (bfd *, asection *, arelent *, unsigned int, |
| 765 | struct bfd_link_info *); |
| 766 | |
| 767 | enum coff_symbol_classification (*_bfd_coff_classify_symbol) |
| 768 | (bfd *, struct internal_syment *); |
| 769 | |
| 770 | bfd_boolean (*_bfd_coff_compute_section_file_positions) |
| 771 | (bfd *); |
| 772 | |
| 773 | bfd_boolean (*_bfd_coff_start_final_link) |
| 774 | (bfd *, struct bfd_link_info *); |
| 775 | |
| 776 | bfd_boolean (*_bfd_coff_relocate_section) |
| 777 | (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
| 778 | struct internal_reloc *, struct internal_syment *, asection **); |
| 779 | |
| 780 | reloc_howto_type *(*_bfd_coff_rtype_to_howto) |
| 781 | (bfd *, asection *, struct internal_reloc *, |
| 782 | struct coff_link_hash_entry *, struct internal_syment *, |
| 783 | bfd_vma *); |
| 784 | |
| 785 | bfd_boolean (*_bfd_coff_adjust_symndx) |
| 786 | (bfd *, struct bfd_link_info *, bfd *, asection *, |
| 787 | struct internal_reloc *, bfd_boolean *); |
| 788 | |
| 789 | bfd_boolean (*_bfd_coff_link_add_one_symbol) |
| 790 | (struct bfd_link_info *, bfd *, const char *, flagword, |
| 791 | asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean, |
| 792 | struct bfd_link_hash_entry **); |
| 793 | |
| 794 | bfd_boolean (*_bfd_coff_link_output_has_begun) |
| 795 | (bfd *, struct coff_final_link_info *); |
| 796 | |
| 797 | bfd_boolean (*_bfd_coff_final_link_postscript) |
| 798 | (bfd *, struct coff_final_link_info *); |
| 799 | |
| 800 | } bfd_coff_backend_data; |
| 801 | |
| 802 | #define coff_backend_info(abfd) \ |
| 803 | ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) |
| 804 | |
| 805 | #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ |
| 806 | ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) |
| 807 | |
| 808 | #define bfd_coff_swap_sym_in(a,e,i) \ |
| 809 | ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) |
| 810 | |
| 811 | #define bfd_coff_swap_lineno_in(a,e,i) \ |
| 812 | ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) |
| 813 | |
| 814 | #define bfd_coff_swap_reloc_out(abfd, i, o) \ |
| 815 | ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) |
| 816 | |
| 817 | #define bfd_coff_swap_lineno_out(abfd, i, o) \ |
| 818 | ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) |
| 819 | |
| 820 | #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ |
| 821 | ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) |
| 822 | |
| 823 | #define bfd_coff_swap_sym_out(abfd, i,o) \ |
| 824 | ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) |
| 825 | |
| 826 | #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ |
| 827 | ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) |
| 828 | |
| 829 | #define bfd_coff_swap_filehdr_out(abfd, i,o) \ |
| 830 | ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) |
| 831 | |
| 832 | #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ |
| 833 | ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) |
| 834 | |
| 835 | #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) |
| 836 | #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) |
| 837 | #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) |
| 838 | #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) |
| 839 | #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) |
| 840 | #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) |
| 841 | #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) |
| 842 | #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) |
| 843 | #define bfd_coff_long_filenames(abfd) \ |
| 844 | (coff_backend_info (abfd)->_bfd_coff_long_filenames) |
| 845 | #define bfd_coff_long_section_names(abfd) \ |
| 846 | (coff_backend_info (abfd)->_bfd_coff_long_section_names) |
| 847 | #define bfd_coff_default_section_alignment_power(abfd) \ |
| 848 | (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) |
| 849 | #define bfd_coff_swap_filehdr_in(abfd, i,o) \ |
| 850 | ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) |
| 851 | |
| 852 | #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ |
| 853 | ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) |
| 854 | |
| 855 | #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ |
| 856 | ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) |
| 857 | |
| 858 | #define bfd_coff_swap_reloc_in(abfd, i, o) \ |
| 859 | ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) |
| 860 | |
| 861 | #define bfd_coff_bad_format_hook(abfd, filehdr) \ |
| 862 | ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) |
| 863 | |
| 864 | #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ |
| 865 | ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) |
| 866 | #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ |
| 867 | ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ |
| 868 | (abfd, filehdr, aouthdr)) |
| 869 | |
| 870 | #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ |
| 871 | ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ |
| 872 | (abfd, scnhdr, name, section, flags_ptr)) |
| 873 | |
| 874 | #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ |
| 875 | ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) |
| 876 | |
| 877 | #define bfd_coff_slurp_symbol_table(abfd)\ |
| 878 | ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) |
| 879 | |
| 880 | #define bfd_coff_symname_in_debug(abfd, sym)\ |
| 881 | ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) |
| 882 | |
| 883 | #define bfd_coff_force_symnames_in_strings(abfd)\ |
| 884 | (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) |
| 885 | |
| 886 | #define bfd_coff_debug_string_prefix_length(abfd)\ |
| 887 | (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) |
| 888 | |
| 889 | #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ |
| 890 | ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ |
| 891 | (abfd, file, base, symbol, aux, indaux)) |
| 892 | |
| 893 | #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ |
| 894 | reloc, data, src_ptr, dst_ptr)\ |
| 895 | ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ |
| 896 | (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) |
| 897 | |
| 898 | #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ |
| 899 | ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ |
| 900 | (abfd, section, reloc, shrink, link_info)) |
| 901 | |
| 902 | #define bfd_coff_classify_symbol(abfd, sym)\ |
| 903 | ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ |
| 904 | (abfd, sym)) |
| 905 | |
| 906 | #define bfd_coff_compute_section_file_positions(abfd)\ |
| 907 | ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ |
| 908 | (abfd)) |
| 909 | |
| 910 | #define bfd_coff_start_final_link(obfd, info)\ |
| 911 | ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ |
| 912 | (obfd, info)) |
| 913 | #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ |
| 914 | ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ |
| 915 | (obfd, info, ibfd, o, con, rel, isyms, secs)) |
| 916 | #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ |
| 917 | ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ |
| 918 | (abfd, sec, rel, h, sym, addendp)) |
| 919 | #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ |
| 920 | ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ |
| 921 | (obfd, info, ibfd, sec, rel, adjustedp)) |
| 922 | #define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ |
| 923 | value, string, cp, coll, hashp)\ |
| 924 | ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ |
| 925 | (info, abfd, name, flags, section, value, string, cp, coll, hashp)) |
| 926 | |
| 927 | #define bfd_coff_link_output_has_begun(a,p) \ |
| 928 | ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p)) |
| 929 | #define bfd_coff_final_link_postscript(a,p) \ |
| 930 | ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p)) |
| 931 | |