| 1 | /* BFD COFF object file private structure. |
| 2 | Copyright (C) 1990-2015 Free Software Foundation, Inc. |
| 3 | Written by Cygnus Support. |
| 4 | |
| 5 | This file is part of BFD, the Binary File Descriptor library. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 20 | MA 02110-1301, USA. */ |
| 21 | |
| 22 | #include "bfdlink.h" |
| 23 | #include "coff-bfd.h" |
| 24 | |
| 25 | #ifdef __cplusplus |
| 26 | extern "C" { |
| 27 | #endif |
| 28 | |
| 29 | /* Object file tdata; access macros. */ |
| 30 | |
| 31 | #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) |
| 32 | #define obj_pe(bfd) (coff_data (bfd)->pe) |
| 33 | #define obj_symbols(bfd) (coff_data (bfd)->symbols) |
| 34 | #define obj_sym_filepos(bfd) (coff_data (bfd)->sym_filepos) |
| 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 | #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) |
| 41 | #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) |
| 42 | #define obj_coff_strings(bfd) (coff_data (bfd)->strings) |
| 43 | #define obj_coff_strings_len(bfd) (coff_data (bfd)->strings_len) |
| 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 | unsigned 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 | /* The length of the strings table. For error checking. */ |
| 85 | bfd_size_type strings_len; |
| 86 | /* If this is TRUE, the strings may not be freed. */ |
| 87 | bfd_boolean keep_strings; |
| 88 | /* If this is TRUE, the strings have been written out already. */ |
| 89 | bfd_boolean strings_written; |
| 90 | |
| 91 | /* Is this a PE format coff file? */ |
| 92 | int pe; |
| 93 | /* Used by the COFF backend linker. */ |
| 94 | struct coff_link_hash_entry **sym_hashes; |
| 95 | |
| 96 | /* Used by the pe linker for PowerPC. */ |
| 97 | int *local_toc_sym_map; |
| 98 | |
| 99 | struct bfd_link_info *link_info; |
| 100 | |
| 101 | /* Used by coff_find_nearest_line. */ |
| 102 | void * line_info; |
| 103 | |
| 104 | /* A place to stash dwarf2 info for this bfd. */ |
| 105 | void * dwarf2_find_line_info; |
| 106 | |
| 107 | /* The timestamp from the COFF file header. */ |
| 108 | long timestamp; |
| 109 | |
| 110 | /* Copy of some of the f_flags bits in the COFF filehdr structure, |
| 111 | used by ARM code. */ |
| 112 | flagword flags; |
| 113 | |
| 114 | /* coff-stgo32 EXE stub header after BFD tdata has been allocated. Its data |
| 115 | is kept in internal_filehdr.go32stub beforehand. */ |
| 116 | char *go32stub; |
| 117 | } coff_data_type; |
| 118 | |
| 119 | /* Tdata for pe image files. */ |
| 120 | typedef struct pe_tdata |
| 121 | { |
| 122 | coff_data_type coff; |
| 123 | struct internal_extra_pe_aouthdr pe_opthdr; |
| 124 | int dll; |
| 125 | int has_reloc_section; |
| 126 | int dont_strip_reloc; |
| 127 | bfd_boolean insert_timestamp; |
| 128 | bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); |
| 129 | flagword real_flags; |
| 130 | |
| 131 | /* Build-id info. */ |
| 132 | struct |
| 133 | { |
| 134 | bfd_boolean (*after_write_object_contents) (bfd *); |
| 135 | const char *style; |
| 136 | asection *sec; |
| 137 | } build_id; |
| 138 | } pe_data_type; |
| 139 | |
| 140 | #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) |
| 141 | |
| 142 | /* Tdata for XCOFF files. */ |
| 143 | |
| 144 | struct xcoff_tdata |
| 145 | { |
| 146 | /* Basic COFF information. */ |
| 147 | coff_data_type coff; |
| 148 | |
| 149 | /* TRUE if this is an XCOFF64 file. */ |
| 150 | bfd_boolean xcoff64; |
| 151 | |
| 152 | /* TRUE if a large a.out header should be generated. */ |
| 153 | bfd_boolean full_aouthdr; |
| 154 | |
| 155 | /* TOC value. */ |
| 156 | bfd_vma toc; |
| 157 | |
| 158 | /* Index of section holding TOC. */ |
| 159 | int sntoc; |
| 160 | |
| 161 | /* Index of section holding entry point. */ |
| 162 | int snentry; |
| 163 | |
| 164 | /* .text alignment from optional header. */ |
| 165 | int text_align_power; |
| 166 | |
| 167 | /* .data alignment from optional header. */ |
| 168 | int data_align_power; |
| 169 | |
| 170 | /* modtype from optional header. */ |
| 171 | short modtype; |
| 172 | |
| 173 | /* cputype from optional header. */ |
| 174 | short cputype; |
| 175 | |
| 176 | /* maxdata from optional header. */ |
| 177 | bfd_vma maxdata; |
| 178 | |
| 179 | /* maxstack from optional header. */ |
| 180 | bfd_vma maxstack; |
| 181 | |
| 182 | /* Used by the XCOFF backend linker. */ |
| 183 | asection **csects; |
| 184 | long *debug_indices; |
| 185 | unsigned int *lineno_counts; |
| 186 | unsigned int import_file_id; |
| 187 | }; |
| 188 | |
| 189 | #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) |
| 190 | |
| 191 | /* We take the address of the first element of an asymbol to ensure that the |
| 192 | macro is only ever applied to an asymbol. */ |
| 193 | #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_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 last symbol indices for symbols used by this csect. */ |
| 206 | unsigned long first_symndx; |
| 207 | unsigned long last_symndx; |
| 208 | }; |
| 209 | |
| 210 | /* An accessor macro the xcoff_section_tdata structure. */ |
| 211 | #define xcoff_section_data(abfd, sec) \ |
| 212 | ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) |
| 213 | |
| 214 | /* Tdata for sections in PE files. */ |
| 215 | |
| 216 | struct pei_section_tdata |
| 217 | { |
| 218 | /* The virtual size of the section. */ |
| 219 | bfd_size_type virt_size; |
| 220 | /* The PE section flags. */ |
| 221 | long pe_flags; |
| 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 | |
| 230 | struct 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 symbol_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 | /* Flag word; legal values follow. */ |
| 254 | unsigned short coff_link_hash_flags; |
| 255 | /* Symbol is a PE section symbol. */ |
| 256 | #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) |
| 257 | }; |
| 258 | |
| 259 | /* COFF linker hash table. */ |
| 260 | |
| 261 | struct coff_link_hash_table |
| 262 | { |
| 263 | struct bfd_link_hash_table root; |
| 264 | /* A pointer to information used to link stabs in sections. */ |
| 265 | struct stab_info stab_info; |
| 266 | }; |
| 267 | |
| 268 | /* Look up an entry in a COFF linker hash table. */ |
| 269 | |
| 270 | #define coff_link_hash_lookup(table, string, create, copy, follow) \ |
| 271 | ((struct coff_link_hash_entry *) \ |
| 272 | bfd_link_hash_lookup (&(table)->root, (string), (create), \ |
| 273 | (copy), (follow))) |
| 274 | |
| 275 | /* Traverse a COFF linker hash table. */ |
| 276 | |
| 277 | #define coff_link_hash_traverse(table, func, info) \ |
| 278 | (bfd_link_hash_traverse \ |
| 279 | (&(table)->root, \ |
| 280 | (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \ |
| 281 | (info))) |
| 282 | |
| 283 | /* Get the COFF linker hash table from a link_info structure. */ |
| 284 | |
| 285 | #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash)) |
| 286 | |
| 287 | /* Functions in coffgen.c. */ |
| 288 | extern const bfd_target *coff_object_p |
| 289 | (bfd *); |
| 290 | extern struct bfd_section *coff_section_from_bfd_index |
| 291 | (bfd *, int); |
| 292 | extern long coff_get_symtab_upper_bound |
| 293 | (bfd *); |
| 294 | extern long coff_canonicalize_symtab |
| 295 | (bfd *, asymbol **); |
| 296 | extern int coff_count_linenumbers |
| 297 | (bfd *); |
| 298 | extern bfd_boolean coff_renumber_symbols |
| 299 | (bfd *, int *); |
| 300 | extern void coff_mangle_symbols |
| 301 | (bfd *); |
| 302 | extern bfd_boolean coff_write_symbols |
| 303 | (bfd *); |
| 304 | extern bfd_boolean coff_write_alien_symbol |
| 305 | (bfd *, asymbol *, struct internal_syment *, bfd_vma *, |
| 306 | bfd_size_type *, asection **, bfd_size_type *); |
| 307 | extern bfd_boolean coff_write_linenumbers |
| 308 | (bfd *); |
| 309 | extern alent *coff_get_lineno |
| 310 | (bfd *, asymbol *); |
| 311 | extern asymbol *coff_section_symbol |
| 312 | (bfd *, char *); |
| 313 | extern bfd_boolean _bfd_coff_get_external_symbols |
| 314 | (bfd *); |
| 315 | extern const char *_bfd_coff_read_string_table |
| 316 | (bfd *); |
| 317 | extern bfd_boolean _bfd_coff_free_symbols |
| 318 | (bfd *); |
| 319 | extern struct coff_ptr_struct *coff_get_normalized_symtab |
| 320 | (bfd *); |
| 321 | extern long coff_get_reloc_upper_bound |
| 322 | (bfd *, sec_ptr); |
| 323 | extern asymbol *coff_make_empty_symbol |
| 324 | (bfd *); |
| 325 | extern void coff_print_symbol |
| 326 | (bfd *, void * filep, asymbol *, bfd_print_symbol_type); |
| 327 | extern void coff_get_symbol_info |
| 328 | (bfd *, asymbol *, symbol_info *ret); |
| 329 | #define coff_get_symbol_version_string \ |
| 330 | _bfd_nosymbols_get_symbol_version_string |
| 331 | extern bfd_boolean _bfd_coff_is_local_label_name |
| 332 | (bfd *, const char *); |
| 333 | extern asymbol *coff_bfd_make_debug_symbol |
| 334 | (bfd *, void *, unsigned long); |
| 335 | extern bfd_boolean coff_find_nearest_line |
| 336 | (bfd *, asymbol **, asection *, bfd_vma, |
| 337 | const char **, const char **, unsigned int *, unsigned int *); |
| 338 | #define coff_find_line _bfd_nosymbols_find_line |
| 339 | struct dwarf_debug_section; |
| 340 | extern bfd_boolean coff_find_nearest_line_with_names |
| 341 | (bfd *, asymbol **, asection *, bfd_vma, const char **, const char **, |
| 342 | unsigned int *, const struct dwarf_debug_section *); |
| 343 | extern bfd_boolean coff_find_inliner_info |
| 344 | (bfd *, const char **, const char **, unsigned int *); |
| 345 | extern int coff_sizeof_headers |
| 346 | (bfd *, struct bfd_link_info *); |
| 347 | extern bfd_boolean bfd_coff_reloc16_relax_section |
| 348 | (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); |
| 349 | extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents |
| 350 | (bfd *, struct bfd_link_info *, struct bfd_link_order *, |
| 351 | bfd_byte *, bfd_boolean, asymbol **); |
| 352 | extern bfd_vma bfd_coff_reloc16_get_value |
| 353 | (arelent *, struct bfd_link_info *, asection *); |
| 354 | extern void bfd_perform_slip |
| 355 | (bfd *, unsigned int, asection *, bfd_vma); |
| 356 | |
| 357 | /* Functions and types in cofflink.c. */ |
| 358 | |
| 359 | #define STRING_SIZE_SIZE 4 |
| 360 | |
| 361 | /* We use a hash table to merge identical enum, struct, and union |
| 362 | definitions in the linker. */ |
| 363 | |
| 364 | /* Information we keep for a single element (an enum value, a |
| 365 | structure or union field) in the debug merge hash table. */ |
| 366 | |
| 367 | struct coff_debug_merge_element |
| 368 | { |
| 369 | /* Next element. */ |
| 370 | struct coff_debug_merge_element *next; |
| 371 | |
| 372 | /* Name. */ |
| 373 | const char *name; |
| 374 | |
| 375 | /* Type. */ |
| 376 | unsigned int type; |
| 377 | |
| 378 | /* Symbol index for complex type. */ |
| 379 | long tagndx; |
| 380 | }; |
| 381 | |
| 382 | /* A linked list of debug merge entries for a given name. */ |
| 383 | |
| 384 | struct coff_debug_merge_type |
| 385 | { |
| 386 | /* Next type with the same name. */ |
| 387 | struct coff_debug_merge_type *next; |
| 388 | |
| 389 | /* Class of type. */ |
| 390 | int type_class; |
| 391 | |
| 392 | /* Symbol index where this type is defined. */ |
| 393 | long indx; |
| 394 | |
| 395 | /* List of elements. */ |
| 396 | struct coff_debug_merge_element *elements; |
| 397 | }; |
| 398 | |
| 399 | /* Information we store in the debug merge hash table. */ |
| 400 | |
| 401 | struct coff_debug_merge_hash_entry |
| 402 | { |
| 403 | struct bfd_hash_entry root; |
| 404 | |
| 405 | /* A list of types with this name. */ |
| 406 | struct coff_debug_merge_type *types; |
| 407 | }; |
| 408 | |
| 409 | /* The debug merge hash table. */ |
| 410 | |
| 411 | struct coff_debug_merge_hash_table |
| 412 | { |
| 413 | struct bfd_hash_table root; |
| 414 | }; |
| 415 | |
| 416 | /* Initialize a COFF debug merge hash table. */ |
| 417 | |
| 418 | #define coff_debug_merge_hash_table_init(table) \ |
| 419 | (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ |
| 420 | sizeof (struct coff_debug_merge_hash_entry))) |
| 421 | |
| 422 | /* Free a COFF debug merge hash table. */ |
| 423 | |
| 424 | #define coff_debug_merge_hash_table_free(table) \ |
| 425 | (bfd_hash_table_free (&(table)->root)) |
| 426 | |
| 427 | /* Look up an entry in a COFF debug merge hash table. */ |
| 428 | |
| 429 | #define coff_debug_merge_hash_lookup(table, string, create, copy) \ |
| 430 | ((struct coff_debug_merge_hash_entry *) \ |
| 431 | bfd_hash_lookup (&(table)->root, (string), (create), (copy))) |
| 432 | |
| 433 | /* Information we keep for each section in the output file when doing |
| 434 | a relocatable link. */ |
| 435 | |
| 436 | struct coff_link_section_info |
| 437 | { |
| 438 | /* The relocs to be output. */ |
| 439 | struct internal_reloc *relocs; |
| 440 | /* For each reloc against a global symbol whose index was not known |
| 441 | when the reloc was handled, the global hash table entry. */ |
| 442 | struct coff_link_hash_entry **rel_hashes; |
| 443 | }; |
| 444 | |
| 445 | /* Information that we pass around while doing the final link step. */ |
| 446 | |
| 447 | struct coff_final_link_info |
| 448 | { |
| 449 | /* General link information. */ |
| 450 | struct bfd_link_info *info; |
| 451 | /* Output BFD. */ |
| 452 | bfd *output_bfd; |
| 453 | /* Used to indicate failure in traversal routine. */ |
| 454 | bfd_boolean failed; |
| 455 | /* If doing "task linking" set only during the time when we want the |
| 456 | global symbol writer to convert the storage class of defined global |
| 457 | symbols from global to static. */ |
| 458 | bfd_boolean global_to_static; |
| 459 | /* Hash table for long symbol names. */ |
| 460 | struct bfd_strtab_hash *strtab; |
| 461 | /* When doing a relocatable link, an array of information kept for |
| 462 | each output section, indexed by the target_index field. */ |
| 463 | struct coff_link_section_info *section_info; |
| 464 | /* Symbol index of last C_FILE symbol (-1 if none). */ |
| 465 | long last_file_index; |
| 466 | /* Contents of last C_FILE symbol. */ |
| 467 | struct internal_syment last_file; |
| 468 | /* Symbol index of first aux entry of last .bf symbol with an empty |
| 469 | endndx field (-1 if none). */ |
| 470 | long last_bf_index; |
| 471 | /* Contents of last_bf_index aux entry. */ |
| 472 | union internal_auxent last_bf; |
| 473 | /* Hash table used to merge debug information. */ |
| 474 | struct coff_debug_merge_hash_table debug_merge; |
| 475 | /* Buffer large enough to hold swapped symbols of any input file. */ |
| 476 | struct internal_syment *internal_syms; |
| 477 | /* Buffer large enough to hold sections of symbols of any input file. */ |
| 478 | asection **sec_ptrs; |
| 479 | /* Buffer large enough to hold output indices of symbols of any |
| 480 | input file. */ |
| 481 | long *sym_indices; |
| 482 | /* Buffer large enough to hold output symbols for any input file. */ |
| 483 | bfd_byte *outsyms; |
| 484 | /* Buffer large enough to hold external line numbers for any input |
| 485 | section. */ |
| 486 | bfd_byte *linenos; |
| 487 | /* Buffer large enough to hold any input section. */ |
| 488 | bfd_byte *contents; |
| 489 | /* Buffer large enough to hold external relocs of any input section. */ |
| 490 | bfd_byte *external_relocs; |
| 491 | /* Buffer large enough to hold swapped relocs of any input section. */ |
| 492 | struct internal_reloc *internal_relocs; |
| 493 | }; |
| 494 | |
| 495 | /* Most COFF variants have no way to record the alignment of a |
| 496 | section. This struct is used to set a specific alignment based on |
| 497 | the name of the section. */ |
| 498 | |
| 499 | struct coff_section_alignment_entry |
| 500 | { |
| 501 | /* The section name. */ |
| 502 | const char *name; |
| 503 | |
| 504 | /* This is either (unsigned int) -1, indicating that the section |
| 505 | name must match exactly, or it is the number of letters which |
| 506 | must match at the start of the name. */ |
| 507 | unsigned int comparison_length; |
| 508 | |
| 509 | /* These macros may be used to fill in the first two fields in a |
| 510 | structure initialization. */ |
| 511 | #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) |
| 512 | #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) |
| 513 | |
| 514 | /* Only use this entry if the default section alignment for this |
| 515 | target is at least that much (as a power of two). If this field |
| 516 | is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ |
| 517 | unsigned int default_alignment_min; |
| 518 | |
| 519 | /* Only use this entry if the default section alignment for this |
| 520 | target is no greater than this (as a power of two). If this |
| 521 | field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ |
| 522 | unsigned int default_alignment_max; |
| 523 | |
| 524 | #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) |
| 525 | |
| 526 | /* The desired alignment for this section (as a power of two). */ |
| 527 | unsigned int alignment_power; |
| 528 | }; |
| 529 | |
| 530 | extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc |
| 531 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
| 532 | extern bfd_boolean _bfd_coff_link_hash_table_init |
| 533 | (struct coff_link_hash_table *, bfd *, |
| 534 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, |
| 535 | struct bfd_hash_table *, |
| 536 | const char *), |
| 537 | unsigned int); |
| 538 | extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create |
| 539 | (bfd *); |
| 540 | extern const char *_bfd_coff_internal_syment_name |
| 541 | (bfd *, const struct internal_syment *, char *); |
| 542 | extern bfd_boolean _bfd_coff_section_already_linked |
| 543 | (bfd *, asection *, struct bfd_link_info *); |
| 544 | extern bfd_boolean _bfd_coff_link_add_symbols |
| 545 | (bfd *, struct bfd_link_info *); |
| 546 | extern bfd_boolean _bfd_coff_final_link |
| 547 | (bfd *, struct bfd_link_info *); |
| 548 | extern struct internal_reloc *_bfd_coff_read_internal_relocs |
| 549 | (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, |
| 550 | struct internal_reloc *); |
| 551 | extern bfd_boolean _bfd_coff_generic_relocate_section |
| 552 | (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
| 553 | struct internal_reloc *, struct internal_syment *, asection **); |
| 554 | extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc |
| 555 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
| 556 | extern bfd_boolean _bfd_coff_write_global_sym |
| 557 | (struct bfd_hash_entry *, void *); |
| 558 | extern bfd_boolean _bfd_coff_write_task_globals |
| 559 | (struct coff_link_hash_entry *, void *); |
| 560 | extern bfd_boolean _bfd_coff_link_input_bfd |
| 561 | (struct coff_final_link_info *, bfd *); |
| 562 | extern bfd_boolean _bfd_coff_reloc_link_order |
| 563 | (bfd *, struct coff_final_link_info *, asection *, |
| 564 | struct bfd_link_order *); |
| 565 | |
| 566 | |
| 567 | #define coff_get_section_contents_in_window \ |
| 568 | _bfd_generic_get_section_contents_in_window |
| 569 | |
| 570 | /* Functions in xcofflink.c. */ |
| 571 | |
| 572 | extern long _bfd_xcoff_get_dynamic_symtab_upper_bound |
| 573 | (bfd *); |
| 574 | extern long _bfd_xcoff_canonicalize_dynamic_symtab |
| 575 | (bfd *, asymbol **); |
| 576 | extern long _bfd_xcoff_get_dynamic_reloc_upper_bound |
| 577 | (bfd *); |
| 578 | extern long _bfd_xcoff_canonicalize_dynamic_reloc |
| 579 | (bfd *, arelent **, asymbol **); |
| 580 | extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create |
| 581 | (bfd *); |
| 582 | extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols |
| 583 | (bfd *, struct bfd_link_info *); |
| 584 | extern bfd_boolean _bfd_xcoff_bfd_final_link |
| 585 | (bfd *, struct bfd_link_info *); |
| 586 | extern bfd_boolean _bfd_xcoff_define_common_symbol |
| 587 | (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); |
| 588 | extern bfd_boolean _bfd_ppc_xcoff_relocate_section |
| 589 | (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
| 590 | struct internal_reloc *, struct internal_syment *, asection **); |
| 591 | |
| 592 | /* Functions in coff-ppc.c. FIXME: These are called by pe.em in the |
| 593 | linker, and so should start with bfd and be declared in bfd.h. */ |
| 594 | |
| 595 | extern bfd_boolean ppc_allocate_toc_section |
| 596 | (struct bfd_link_info *); |
| 597 | extern bfd_boolean ppc_process_before_allocation |
| 598 | (bfd *, struct bfd_link_info *); |