| 1 | /* ldlang.h - linker command language support |
| 2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
| 3 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
| 4 | Free Software Foundation, Inc. |
| 5 | |
| 6 | This file is part of the GNU Binutils. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 21 | MA 02110-1301, USA. */ |
| 22 | |
| 23 | #ifndef LDLANG_H |
| 24 | #define LDLANG_H |
| 25 | |
| 26 | #define DEFAULT_MEMORY_REGION "*default*" |
| 27 | |
| 28 | typedef enum |
| 29 | { |
| 30 | lang_input_file_is_l_enum, |
| 31 | lang_input_file_is_symbols_only_enum, |
| 32 | lang_input_file_is_marker_enum, |
| 33 | lang_input_file_is_fake_enum, |
| 34 | lang_input_file_is_search_file_enum, |
| 35 | lang_input_file_is_file_enum |
| 36 | } lang_input_file_enum_type; |
| 37 | |
| 38 | struct _fill_type |
| 39 | { |
| 40 | size_t size; |
| 41 | unsigned char data[1]; |
| 42 | }; |
| 43 | |
| 44 | typedef struct statement_list |
| 45 | { |
| 46 | union lang_statement_union * head; |
| 47 | union lang_statement_union ** tail; |
| 48 | } lang_statement_list_type; |
| 49 | |
| 50 | typedef struct memory_region_name_struct |
| 51 | { |
| 52 | const char * name; |
| 53 | struct memory_region_name_struct * next; |
| 54 | } lang_memory_region_name; |
| 55 | |
| 56 | typedef struct memory_region_struct |
| 57 | { |
| 58 | lang_memory_region_name name_list; |
| 59 | struct memory_region_struct *next; |
| 60 | bfd_vma origin; |
| 61 | bfd_size_type length; |
| 62 | bfd_vma current; |
| 63 | union lang_statement_union *last_os; |
| 64 | flagword flags; |
| 65 | flagword not_flags; |
| 66 | bfd_boolean had_full_message; |
| 67 | } lang_memory_region_type; |
| 68 | |
| 69 | enum statement_enum |
| 70 | { |
| 71 | lang_output_section_statement_enum, |
| 72 | lang_assignment_statement_enum, |
| 73 | lang_input_statement_enum, |
| 74 | lang_address_statement_enum, |
| 75 | lang_wild_statement_enum, |
| 76 | lang_input_section_enum, |
| 77 | lang_object_symbols_statement_enum, |
| 78 | lang_fill_statement_enum, |
| 79 | lang_data_statement_enum, |
| 80 | lang_reloc_statement_enum, |
| 81 | lang_target_statement_enum, |
| 82 | lang_output_statement_enum, |
| 83 | lang_padding_statement_enum, |
| 84 | lang_group_statement_enum, |
| 85 | lang_insert_statement_enum, |
| 86 | lang_constructors_statement_enum |
| 87 | }; |
| 88 | |
| 89 | typedef struct lang_statement_header_struct |
| 90 | { |
| 91 | union lang_statement_union *next; |
| 92 | enum statement_enum type; |
| 93 | } lang_statement_header_type; |
| 94 | |
| 95 | typedef struct |
| 96 | { |
| 97 | lang_statement_header_type header; |
| 98 | union etree_union *exp; |
| 99 | } lang_assignment_statement_type; |
| 100 | |
| 101 | typedef struct lang_target_statement_struct |
| 102 | { |
| 103 | lang_statement_header_type header; |
| 104 | const char *target; |
| 105 | } lang_target_statement_type; |
| 106 | |
| 107 | typedef struct lang_output_statement_struct |
| 108 | { |
| 109 | lang_statement_header_type header; |
| 110 | const char *name; |
| 111 | } lang_output_statement_type; |
| 112 | |
| 113 | /* Section types specified in a linker script. */ |
| 114 | |
| 115 | enum section_type |
| 116 | { |
| 117 | normal_section, |
| 118 | overlay_section, |
| 119 | noload_section, |
| 120 | noalloc_section |
| 121 | }; |
| 122 | |
| 123 | /* This structure holds a list of program headers describing |
| 124 | segments in which this section should be placed. */ |
| 125 | |
| 126 | typedef struct lang_output_section_phdr_list |
| 127 | { |
| 128 | struct lang_output_section_phdr_list *next; |
| 129 | const char *name; |
| 130 | bfd_boolean used; |
| 131 | } lang_output_section_phdr_list; |
| 132 | |
| 133 | typedef struct lang_output_section_statement_struct |
| 134 | { |
| 135 | lang_statement_header_type header; |
| 136 | lang_statement_list_type children; |
| 137 | struct lang_output_section_statement_struct *next; |
| 138 | struct lang_output_section_statement_struct *prev; |
| 139 | const char *name; |
| 140 | asection *bfd_section; |
| 141 | lang_memory_region_type *region; |
| 142 | lang_memory_region_type *lma_region; |
| 143 | fill_type *fill; |
| 144 | union etree_union *addr_tree; |
| 145 | union etree_union *load_base; |
| 146 | |
| 147 | /* If non-null, an expression to evaluate after setting the section's |
| 148 | size. The expression is evaluated inside REGION (above) with '.' |
| 149 | set to the end of the section. Used in the last overlay section |
| 150 | to move '.' past all the overlaid sections. */ |
| 151 | union etree_union *update_dot_tree; |
| 152 | |
| 153 | lang_output_section_phdr_list *phdrs; |
| 154 | |
| 155 | unsigned int block_value; |
| 156 | int subsection_alignment; /* Alignment of components. */ |
| 157 | int section_alignment; /* Alignment of start of section. */ |
| 158 | int constraint; |
| 159 | flagword flags; |
| 160 | enum section_type sectype; |
| 161 | unsigned int processed_vma : 1; |
| 162 | unsigned int processed_lma : 1; |
| 163 | unsigned int all_input_readonly : 1; |
| 164 | /* If this section should be ignored. */ |
| 165 | unsigned int ignored : 1; |
| 166 | /* If this section should update "dot". Prevents section being ignored. */ |
| 167 | unsigned int update_dot : 1; |
| 168 | /* If this section is after assignment to _end. */ |
| 169 | unsigned int after_end : 1; |
| 170 | } lang_output_section_statement_type; |
| 171 | |
| 172 | typedef struct |
| 173 | { |
| 174 | lang_statement_header_type header; |
| 175 | } lang_common_statement_type; |
| 176 | |
| 177 | typedef struct |
| 178 | { |
| 179 | lang_statement_header_type header; |
| 180 | } lang_object_symbols_statement_type; |
| 181 | |
| 182 | typedef struct |
| 183 | { |
| 184 | lang_statement_header_type header; |
| 185 | fill_type *fill; |
| 186 | int size; |
| 187 | asection *output_section; |
| 188 | } lang_fill_statement_type; |
| 189 | |
| 190 | typedef struct |
| 191 | { |
| 192 | lang_statement_header_type header; |
| 193 | unsigned int type; |
| 194 | union etree_union *exp; |
| 195 | bfd_vma value; |
| 196 | asection *output_section; |
| 197 | bfd_vma output_offset; |
| 198 | } lang_data_statement_type; |
| 199 | |
| 200 | /* Generate a reloc in the output file. */ |
| 201 | |
| 202 | typedef struct |
| 203 | { |
| 204 | lang_statement_header_type header; |
| 205 | |
| 206 | /* Reloc to generate. */ |
| 207 | bfd_reloc_code_real_type reloc; |
| 208 | |
| 209 | /* Reloc howto structure. */ |
| 210 | reloc_howto_type *howto; |
| 211 | |
| 212 | /* Section to generate reloc against. |
| 213 | Exactly one of section and name must be NULL. */ |
| 214 | asection *section; |
| 215 | |
| 216 | /* Name of symbol to generate reloc against. |
| 217 | Exactly one of section and name must be NULL. */ |
| 218 | const char *name; |
| 219 | |
| 220 | /* Expression for addend. */ |
| 221 | union etree_union *addend_exp; |
| 222 | |
| 223 | /* Resolved addend. */ |
| 224 | bfd_vma addend_value; |
| 225 | |
| 226 | /* Output section where reloc should be performed. */ |
| 227 | asection *output_section; |
| 228 | |
| 229 | /* Offset within output section. */ |
| 230 | bfd_vma output_offset; |
| 231 | } lang_reloc_statement_type; |
| 232 | |
| 233 | struct lang_input_statement_flags |
| 234 | { |
| 235 | /* 1 means this file was specified in a -l option. */ |
| 236 | unsigned int maybe_archive : 1; |
| 237 | |
| 238 | /* 1 means search a set of directories for this file. */ |
| 239 | unsigned int search_dirs : 1; |
| 240 | |
| 241 | /* 1 means this was found when processing a script in the sysroot. */ |
| 242 | unsigned int sysrooted : 1; |
| 243 | |
| 244 | /* 1 means this is base file of incremental load. |
| 245 | Do not load this file's text or data. |
| 246 | Also default text_start to after this file's bss. */ |
| 247 | unsigned int just_syms : 1; |
| 248 | |
| 249 | /* Whether to search for this entry as a dynamic archive. */ |
| 250 | unsigned int dynamic : 1; |
| 251 | |
| 252 | /* Set if a DT_NEEDED tag should be added not just for the dynamic library |
| 253 | explicitly given by this entry but also for any dynamic libraries in |
| 254 | this entry's needed list. */ |
| 255 | unsigned int add_DT_NEEDED_for_dynamic : 1; |
| 256 | |
| 257 | /* Set if this entry should cause a DT_NEEDED tag only when some |
| 258 | regular file references its symbols (ie. --as-needed is in effect). */ |
| 259 | unsigned int add_DT_NEEDED_for_regular : 1; |
| 260 | |
| 261 | /* Whether to include the entire contents of an archive. */ |
| 262 | unsigned int whole_archive : 1; |
| 263 | |
| 264 | /* Set when bfd opening is successful. */ |
| 265 | unsigned int loaded : 1; |
| 266 | |
| 267 | unsigned int real : 1; |
| 268 | |
| 269 | /* Set if the file does not exist. */ |
| 270 | unsigned int missing_file : 1; |
| 271 | |
| 272 | #ifdef ENABLE_PLUGINS |
| 273 | /* Set if the file was claimed by a plugin. */ |
| 274 | unsigned int claimed : 1; |
| 275 | |
| 276 | /* Set if the file was claimed from an archive. */ |
| 277 | unsigned int claim_archive : 1; |
| 278 | |
| 279 | /* Set if reloading an --as-needed lib. */ |
| 280 | unsigned int reload : 1; |
| 281 | #endif /* ENABLE_PLUGINS */ |
| 282 | }; |
| 283 | |
| 284 | typedef struct lang_input_statement_struct |
| 285 | { |
| 286 | lang_statement_header_type header; |
| 287 | /* Name of this file. */ |
| 288 | const char *filename; |
| 289 | /* Name to use for the symbol giving address of text start. |
| 290 | Usually the same as filename, but for a file spec'd with |
| 291 | -l this is the -l switch itself rather than the filename. */ |
| 292 | const char *local_sym_name; |
| 293 | |
| 294 | bfd *the_bfd; |
| 295 | |
| 296 | struct flag_info *section_flag_list; |
| 297 | |
| 298 | /* Point to the next file - whatever it is, wanders up and down |
| 299 | archives */ |
| 300 | union lang_statement_union *next; |
| 301 | |
| 302 | /* Point to the next file, but skips archive contents. */ |
| 303 | union lang_statement_union *next_real_file; |
| 304 | |
| 305 | const char *target; |
| 306 | |
| 307 | struct lang_input_statement_flags flags; |
| 308 | } lang_input_statement_type; |
| 309 | |
| 310 | typedef struct |
| 311 | { |
| 312 | lang_statement_header_type header; |
| 313 | asection *section; |
| 314 | } lang_input_section_type; |
| 315 | |
| 316 | typedef struct lang_wild_statement_struct lang_wild_statement_type; |
| 317 | |
| 318 | typedef void (*callback_t) (lang_wild_statement_type *, struct wildcard_list *, |
| 319 | asection *, struct flag_info *, |
| 320 | lang_input_statement_type *, void *); |
| 321 | |
| 322 | typedef void (*walk_wild_section_handler_t) (lang_wild_statement_type *, |
| 323 | lang_input_statement_type *, |
| 324 | callback_t callback, |
| 325 | void *data); |
| 326 | |
| 327 | typedef bfd_boolean (*lang_match_sec_type_func) (bfd *, const asection *, |
| 328 | bfd *, const asection *); |
| 329 | |
| 330 | /* Binary search tree structure to efficiently sort sections by |
| 331 | name. */ |
| 332 | typedef struct lang_section_bst |
| 333 | { |
| 334 | asection *section; |
| 335 | struct lang_section_bst *left; |
| 336 | struct lang_section_bst *right; |
| 337 | } lang_section_bst_type; |
| 338 | |
| 339 | struct lang_wild_statement_struct |
| 340 | { |
| 341 | lang_statement_header_type header; |
| 342 | const char *filename; |
| 343 | bfd_boolean filenames_sorted; |
| 344 | struct wildcard_list *section_list; |
| 345 | bfd_boolean keep_sections; |
| 346 | lang_statement_list_type children; |
| 347 | |
| 348 | walk_wild_section_handler_t walk_wild_section_handler; |
| 349 | struct wildcard_list *handler_data[4]; |
| 350 | lang_section_bst_type *tree; |
| 351 | struct flag_info *section_flag_list; |
| 352 | }; |
| 353 | |
| 354 | typedef struct lang_address_statement_struct |
| 355 | { |
| 356 | lang_statement_header_type header; |
| 357 | const char *section_name; |
| 358 | union etree_union *address; |
| 359 | const segment_type *segment; |
| 360 | } lang_address_statement_type; |
| 361 | |
| 362 | typedef struct |
| 363 | { |
| 364 | lang_statement_header_type header; |
| 365 | bfd_vma output_offset; |
| 366 | bfd_size_type size; |
| 367 | asection *output_section; |
| 368 | fill_type *fill; |
| 369 | } lang_padding_statement_type; |
| 370 | |
| 371 | /* A group statement collects a set of libraries together. The |
| 372 | libraries are searched multiple times, until no new undefined |
| 373 | symbols are found. The effect is to search a group of libraries as |
| 374 | though they were a single library. */ |
| 375 | |
| 376 | typedef struct |
| 377 | { |
| 378 | lang_statement_header_type header; |
| 379 | lang_statement_list_type children; |
| 380 | } lang_group_statement_type; |
| 381 | |
| 382 | typedef struct |
| 383 | { |
| 384 | lang_statement_header_type header; |
| 385 | const char *where; |
| 386 | bfd_boolean is_before; |
| 387 | } lang_insert_statement_type; |
| 388 | |
| 389 | typedef union lang_statement_union |
| 390 | { |
| 391 | lang_statement_header_type header; |
| 392 | lang_wild_statement_type wild_statement; |
| 393 | lang_data_statement_type data_statement; |
| 394 | lang_reloc_statement_type reloc_statement; |
| 395 | lang_address_statement_type address_statement; |
| 396 | lang_output_section_statement_type output_section_statement; |
| 397 | lang_assignment_statement_type assignment_statement; |
| 398 | lang_input_statement_type input_statement; |
| 399 | lang_target_statement_type target_statement; |
| 400 | lang_output_statement_type output_statement; |
| 401 | lang_input_section_type input_section; |
| 402 | lang_common_statement_type common_statement; |
| 403 | lang_object_symbols_statement_type object_symbols_statement; |
| 404 | lang_fill_statement_type fill_statement; |
| 405 | lang_padding_statement_type padding_statement; |
| 406 | lang_group_statement_type group_statement; |
| 407 | lang_insert_statement_type insert_statement; |
| 408 | } lang_statement_union_type; |
| 409 | |
| 410 | /* This structure holds information about a program header, from the |
| 411 | PHDRS command in the linker script. */ |
| 412 | |
| 413 | struct lang_phdr |
| 414 | { |
| 415 | struct lang_phdr *next; |
| 416 | const char *name; |
| 417 | unsigned long type; |
| 418 | bfd_boolean filehdr; |
| 419 | bfd_boolean phdrs; |
| 420 | etree_type *at; |
| 421 | etree_type *flags; |
| 422 | }; |
| 423 | |
| 424 | /* This structure is used to hold a list of sections which may not |
| 425 | cross reference each other. */ |
| 426 | |
| 427 | typedef struct lang_nocrossref |
| 428 | { |
| 429 | struct lang_nocrossref *next; |
| 430 | const char *name; |
| 431 | } lang_nocrossref_type; |
| 432 | |
| 433 | /* The list of nocrossref lists. */ |
| 434 | |
| 435 | struct lang_nocrossrefs |
| 436 | { |
| 437 | struct lang_nocrossrefs *next; |
| 438 | lang_nocrossref_type *list; |
| 439 | }; |
| 440 | |
| 441 | /* This structure is used to hold a list of input section names which |
| 442 | will not match an output section in the linker script. */ |
| 443 | |
| 444 | struct unique_sections |
| 445 | { |
| 446 | struct unique_sections *next; |
| 447 | const char *name; |
| 448 | }; |
| 449 | |
| 450 | /* This structure records symbols for which we need to keep track of |
| 451 | definedness for use in the DEFINED () test. */ |
| 452 | |
| 453 | struct lang_definedness_hash_entry |
| 454 | { |
| 455 | struct bfd_hash_entry root; |
| 456 | int iteration; |
| 457 | }; |
| 458 | |
| 459 | /* Used by place_orphan to keep track of orphan sections and statements. */ |
| 460 | |
| 461 | struct orphan_save |
| 462 | { |
| 463 | const char *name; |
| 464 | flagword flags; |
| 465 | lang_output_section_statement_type *os; |
| 466 | asection **section; |
| 467 | lang_statement_union_type **stmt; |
| 468 | lang_output_section_statement_type **os_tail; |
| 469 | }; |
| 470 | |
| 471 | extern struct lang_phdr *lang_phdr_list; |
| 472 | extern struct lang_nocrossrefs *nocrossref_list; |
| 473 | extern const char *output_target; |
| 474 | extern lang_output_section_statement_type *abs_output_section; |
| 475 | extern lang_statement_list_type lang_output_section_statement; |
| 476 | extern struct lang_input_statement_flags input_flags; |
| 477 | extern bfd_boolean lang_has_input_file; |
| 478 | extern etree_type *base; |
| 479 | extern lang_statement_list_type *stat_ptr; |
| 480 | extern bfd_boolean delete_output_file_on_failure; |
| 481 | |
| 482 | extern struct bfd_sym_chain entry_symbol; |
| 483 | extern const char *entry_section; |
| 484 | extern bfd_boolean entry_from_cmdline; |
| 485 | extern lang_statement_list_type file_chain; |
| 486 | extern lang_statement_list_type input_file_chain; |
| 487 | |
| 488 | extern int lang_statement_iteration; |
| 489 | |
| 490 | extern void lang_init |
| 491 | (void); |
| 492 | extern void lang_finish |
| 493 | (void); |
| 494 | extern lang_memory_region_type * lang_memory_region_lookup |
| 495 | (const char * const, bfd_boolean); |
| 496 | extern void lang_memory_region_alias |
| 497 | (const char *, const char *); |
| 498 | extern void lang_map |
| 499 | (void); |
| 500 | extern void lang_set_flags |
| 501 | (lang_memory_region_type *, const char *, int); |
| 502 | extern void lang_add_output |
| 503 | (const char *, int from_script); |
| 504 | extern lang_output_section_statement_type *lang_enter_output_section_statement |
| 505 | (const char *output_section_statement_name, |
| 506 | etree_type *address_exp, |
| 507 | enum section_type sectype, |
| 508 | etree_type *align, |
| 509 | etree_type *subalign, |
| 510 | etree_type *, int); |
| 511 | extern void lang_final |
| 512 | (void); |
| 513 | extern void lang_relax_sections |
| 514 | (bfd_boolean); |
| 515 | extern void lang_process |
| 516 | (void); |
| 517 | extern void lang_section_start |
| 518 | (const char *, union etree_union *, const segment_type *); |
| 519 | extern void lang_add_entry |
| 520 | (const char *, bfd_boolean); |
| 521 | extern void lang_default_entry |
| 522 | (const char *); |
| 523 | extern void lang_add_target |
| 524 | (const char *); |
| 525 | extern void lang_add_wild |
| 526 | (struct wildcard_spec *, struct wildcard_list *, bfd_boolean); |
| 527 | extern void lang_add_map |
| 528 | (const char *); |
| 529 | extern void lang_add_fill |
| 530 | (fill_type *); |
| 531 | extern lang_assignment_statement_type *lang_add_assignment |
| 532 | (union etree_union *); |
| 533 | extern void lang_add_attribute |
| 534 | (enum statement_enum); |
| 535 | extern void lang_startup |
| 536 | (const char *); |
| 537 | extern void lang_float |
| 538 | (bfd_boolean); |
| 539 | extern void lang_leave_output_section_statement |
| 540 | (fill_type *, const char *, lang_output_section_phdr_list *, |
| 541 | const char *); |
| 542 | extern void lang_statement_append |
| 543 | (lang_statement_list_type *, lang_statement_union_type *, |
| 544 | lang_statement_union_type **); |
| 545 | extern void lang_for_each_input_file |
| 546 | (void (*dothis) (lang_input_statement_type *)); |
| 547 | extern void lang_for_each_file |
| 548 | (void (*dothis) (lang_input_statement_type *)); |
| 549 | extern void lang_reset_memory_regions |
| 550 | (void); |
| 551 | extern void lang_do_assignments |
| 552 | (lang_phase_type); |
| 553 | extern asection *section_for_dot |
| 554 | (void); |
| 555 | |
| 556 | #define LANG_FOR_EACH_INPUT_STATEMENT(statement) \ |
| 557 | lang_input_statement_type *statement; \ |
| 558 | for (statement = (lang_input_statement_type *) file_chain.head; \ |
| 559 | statement != (lang_input_statement_type *) NULL; \ |
| 560 | statement = (lang_input_statement_type *) statement->next) \ |
| 561 | |
| 562 | #define lang_output_section_find(NAME) \ |
| 563 | lang_output_section_statement_lookup (NAME, 0, FALSE) |
| 564 | |
| 565 | extern void lang_process |
| 566 | (void); |
| 567 | extern void ldlang_add_file |
| 568 | (lang_input_statement_type *); |
| 569 | extern lang_output_section_statement_type *lang_output_section_find_by_flags |
| 570 | (const asection *, lang_output_section_statement_type **, |
| 571 | lang_match_sec_type_func); |
| 572 | extern lang_output_section_statement_type *lang_insert_orphan |
| 573 | (asection *, const char *, int, lang_output_section_statement_type *, |
| 574 | struct orphan_save *, etree_type *, lang_statement_list_type *); |
| 575 | extern lang_input_statement_type *lang_add_input_file |
| 576 | (const char *, lang_input_file_enum_type, const char *); |
| 577 | extern void lang_add_keepsyms_file |
| 578 | (const char *); |
| 579 | extern lang_output_section_statement_type *lang_output_section_statement_lookup |
| 580 | (const char *, int, bfd_boolean); |
| 581 | extern lang_output_section_statement_type *next_matching_output_section_statement |
| 582 | (lang_output_section_statement_type *, int); |
| 583 | extern void ldlang_add_undef |
| 584 | (const char *const, bfd_boolean); |
| 585 | extern void lang_add_output_format |
| 586 | (const char *, const char *, const char *, int); |
| 587 | extern void lang_list_init |
| 588 | (lang_statement_list_type *); |
| 589 | extern void push_stat_ptr |
| 590 | (lang_statement_list_type *); |
| 591 | extern void pop_stat_ptr |
| 592 | (void); |
| 593 | extern void lang_add_data |
| 594 | (int type, union etree_union *); |
| 595 | extern void lang_add_reloc |
| 596 | (bfd_reloc_code_real_type, reloc_howto_type *, asection *, const char *, |
| 597 | union etree_union *); |
| 598 | extern void lang_for_each_statement |
| 599 | (void (*) (lang_statement_union_type *)); |
| 600 | extern void lang_for_each_statement_worker |
| 601 | (void (*) (lang_statement_union_type *), lang_statement_union_type *); |
| 602 | extern void *stat_alloc |
| 603 | (size_t); |
| 604 | extern void strip_excluded_output_sections |
| 605 | (void); |
| 606 | extern void dprint_statement |
| 607 | (lang_statement_union_type *, int); |
| 608 | extern void lang_size_sections |
| 609 | (bfd_boolean *, bfd_boolean); |
| 610 | extern void one_lang_size_sections_pass |
| 611 | (bfd_boolean *, bfd_boolean); |
| 612 | extern void lang_add_insert |
| 613 | (const char *, int); |
| 614 | extern void lang_enter_group |
| 615 | (void); |
| 616 | extern void lang_leave_group |
| 617 | (void); |
| 618 | extern void lang_add_section |
| 619 | (lang_statement_list_type *, asection *, |
| 620 | struct flag_info *, lang_output_section_statement_type *); |
| 621 | extern void lang_new_phdr |
| 622 | (const char *, etree_type *, bfd_boolean, bfd_boolean, etree_type *, |
| 623 | etree_type *); |
| 624 | extern void lang_add_nocrossref |
| 625 | (lang_nocrossref_type *); |
| 626 | extern void lang_enter_overlay |
| 627 | (etree_type *, etree_type *); |
| 628 | extern void lang_enter_overlay_section |
| 629 | (const char *); |
| 630 | extern void lang_leave_overlay_section |
| 631 | (fill_type *, lang_output_section_phdr_list *); |
| 632 | extern void lang_leave_overlay |
| 633 | (etree_type *, int, fill_type *, const char *, |
| 634 | lang_output_section_phdr_list *, const char *); |
| 635 | |
| 636 | extern struct bfd_elf_version_expr *lang_new_vers_pattern |
| 637 | (struct bfd_elf_version_expr *, const char *, const char *, bfd_boolean); |
| 638 | extern struct bfd_elf_version_tree *lang_new_vers_node |
| 639 | (struct bfd_elf_version_expr *, struct bfd_elf_version_expr *); |
| 640 | extern struct bfd_elf_version_deps *lang_add_vers_depend |
| 641 | (struct bfd_elf_version_deps *, const char *); |
| 642 | extern void lang_register_vers_node |
| 643 | (const char *, struct bfd_elf_version_tree *, struct bfd_elf_version_deps *); |
| 644 | extern void lang_append_dynamic_list (struct bfd_elf_version_expr *); |
| 645 | extern void lang_append_dynamic_list_cpp_typeinfo (void); |
| 646 | extern void lang_append_dynamic_list_cpp_new (void); |
| 647 | extern void lang_add_unique |
| 648 | (const char *); |
| 649 | extern const char *lang_get_output_target |
| 650 | (void); |
| 651 | extern void lang_track_definedness (const char *); |
| 652 | extern int lang_symbol_definition_iteration (const char *); |
| 653 | extern void lang_update_definedness |
| 654 | (const char *, struct bfd_link_hash_entry *); |
| 655 | |
| 656 | extern void add_excluded_libs (const char *); |
| 657 | extern bfd_boolean load_symbols |
| 658 | (lang_input_statement_type *, lang_statement_list_type *); |
| 659 | |
| 660 | extern bfd_boolean |
| 661 | ldlang_override_segment_assignment |
| 662 | (struct bfd_link_info *, bfd *, asection *, asection *, bfd_boolean); |
| 663 | |
| 664 | extern void |
| 665 | lang_ld_feature (char *); |
| 666 | |
| 667 | #endif |