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