| 1 | /* ldlang.h - linker command language support |
| 2 | Copyright (C) 1991-2020 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of the GNU Binutils. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 19 | MA 02110-1301, USA. */ |
| 20 | |
| 21 | #ifndef LDLANG_H |
| 22 | #define LDLANG_H |
| 23 | |
| 24 | #define DEFAULT_MEMORY_REGION "*default*" |
| 25 | |
| 26 | typedef enum |
| 27 | { |
| 28 | lang_input_file_is_l_enum, |
| 29 | lang_input_file_is_symbols_only_enum, |
| 30 | lang_input_file_is_marker_enum, |
| 31 | lang_input_file_is_fake_enum, |
| 32 | lang_input_file_is_search_file_enum, |
| 33 | lang_input_file_is_file_enum |
| 34 | } lang_input_file_enum_type; |
| 35 | |
| 36 | struct _fill_type |
| 37 | { |
| 38 | size_t size; |
| 39 | unsigned char data[1]; |
| 40 | }; |
| 41 | |
| 42 | typedef struct statement_list |
| 43 | { |
| 44 | union lang_statement_union * head; |
| 45 | union lang_statement_union ** tail; |
| 46 | } lang_statement_list_type; |
| 47 | |
| 48 | typedef struct memory_region_name_struct |
| 49 | { |
| 50 | const char * name; |
| 51 | struct memory_region_name_struct * next; |
| 52 | } lang_memory_region_name; |
| 53 | |
| 54 | typedef struct memory_region_struct |
| 55 | { |
| 56 | lang_memory_region_name name_list; |
| 57 | struct memory_region_struct *next; |
| 58 | union etree_union *origin_exp; |
| 59 | bfd_vma origin; |
| 60 | bfd_size_type length; |
| 61 | union etree_union *length_exp; |
| 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_address_statement_enum, |
| 72 | lang_assignment_statement_enum, |
| 73 | lang_data_statement_enum, |
| 74 | lang_fill_statement_enum, |
| 75 | lang_group_statement_enum, |
| 76 | lang_input_section_enum, |
| 77 | lang_input_statement_enum, |
| 78 | lang_insert_statement_enum, |
| 79 | lang_output_section_statement_enum, |
| 80 | lang_output_statement_enum, |
| 81 | lang_padding_statement_enum, |
| 82 | lang_reloc_statement_enum, |
| 83 | lang_target_statement_enum, |
| 84 | lang_wild_statement_enum, |
| 85 | lang_constructors_statement_enum, |
| 86 | lang_object_symbols_statement_enum |
| 87 | }; |
| 88 | |
| 89 | typedef struct lang_statement_header_struct |
| 90 | { |
| 91 | /* Next pointer for statement_list statement list. */ |
| 92 | union lang_statement_union *next; |
| 93 | enum statement_enum type; |
| 94 | } lang_statement_header_type; |
| 95 | |
| 96 | typedef struct |
| 97 | { |
| 98 | lang_statement_header_type header; |
| 99 | union etree_union *exp; |
| 100 | } lang_assignment_statement_type; |
| 101 | |
| 102 | typedef struct lang_target_statement_struct |
| 103 | { |
| 104 | lang_statement_header_type header; |
| 105 | const char *target; |
| 106 | } lang_target_statement_type; |
| 107 | |
| 108 | typedef struct lang_output_statement_struct |
| 109 | { |
| 110 | lang_statement_header_type header; |
| 111 | const char *name; |
| 112 | } lang_output_statement_type; |
| 113 | |
| 114 | /* Section types specified in a linker script. */ |
| 115 | |
| 116 | enum section_type |
| 117 | { |
| 118 | normal_section, |
| 119 | first_overlay_section, |
| 120 | overlay_section, |
| 121 | noload_section, |
| 122 | noalloc_section |
| 123 | }; |
| 124 | |
| 125 | /* This structure holds a list of program headers describing |
| 126 | segments in which this section should be placed. */ |
| 127 | |
| 128 | typedef struct lang_output_section_phdr_list |
| 129 | { |
| 130 | struct lang_output_section_phdr_list *next; |
| 131 | const char *name; |
| 132 | bfd_boolean used; |
| 133 | } lang_output_section_phdr_list; |
| 134 | |
| 135 | typedef struct lang_output_section_statement_struct |
| 136 | { |
| 137 | lang_statement_header_type header; |
| 138 | lang_statement_list_type children; |
| 139 | struct lang_output_section_statement_struct *next; |
| 140 | struct lang_output_section_statement_struct *prev; |
| 141 | const char *name; |
| 142 | asection *bfd_section; |
| 143 | lang_memory_region_type *region; |
| 144 | lang_memory_region_type *lma_region; |
| 145 | fill_type *fill; |
| 146 | union etree_union *addr_tree; |
| 147 | union etree_union *load_base; |
| 148 | union etree_union *section_alignment; |
| 149 | union etree_union *subsection_alignment; |
| 150 | |
| 151 | /* If non-null, an expression to evaluate after setting the section's |
| 152 | size. The expression is evaluated inside REGION (above) with '.' |
| 153 | set to the end of the section. Used in the last overlay section |
| 154 | to move '.' past all the overlaid sections. */ |
| 155 | union etree_union *update_dot_tree; |
| 156 | |
| 157 | lang_output_section_phdr_list *phdrs; |
| 158 | |
| 159 | unsigned int block_value; |
| 160 | int constraint; |
| 161 | flagword flags; |
| 162 | enum section_type sectype; |
| 163 | unsigned int processed_vma : 1; |
| 164 | unsigned int processed_lma : 1; |
| 165 | unsigned int all_input_readonly : 1; |
| 166 | /* If this section should be ignored. */ |
| 167 | unsigned int ignored : 1; |
| 168 | /* If this section should update "dot". Prevents section being ignored. */ |
| 169 | unsigned int update_dot : 1; |
| 170 | /* If this section is after assignment to _end. */ |
| 171 | unsigned int after_end : 1; |
| 172 | /* If this section uses the alignment of its input sections. */ |
| 173 | unsigned int align_lma_with_input : 1; |
| 174 | } lang_output_section_statement_type; |
| 175 | |
| 176 | typedef struct |
| 177 | { |
| 178 | lang_statement_header_type header; |
| 179 | fill_type *fill; |
| 180 | int size; |
| 181 | asection *output_section; |
| 182 | } lang_fill_statement_type; |
| 183 | |
| 184 | typedef struct |
| 185 | { |
| 186 | lang_statement_header_type header; |
| 187 | unsigned int type; |
| 188 | union etree_union *exp; |
| 189 | bfd_vma value; |
| 190 | asection *output_section; |
| 191 | bfd_vma output_offset; |
| 192 | } lang_data_statement_type; |
| 193 | |
| 194 | /* Generate a reloc in the output file. */ |
| 195 | |
| 196 | typedef struct |
| 197 | { |
| 198 | lang_statement_header_type header; |
| 199 | |
| 200 | /* Reloc to generate. */ |
| 201 | bfd_reloc_code_real_type reloc; |
| 202 | |
| 203 | /* Reloc howto structure. */ |
| 204 | reloc_howto_type *howto; |
| 205 | |
| 206 | /* Section to generate reloc against. |
| 207 | Exactly one of section and name must be NULL. */ |
| 208 | asection *section; |
| 209 | |
| 210 | /* Name of symbol to generate reloc against. |
| 211 | Exactly one of section and name must be NULL. */ |
| 212 | const char *name; |
| 213 | |
| 214 | /* Expression for addend. */ |
| 215 | union etree_union *addend_exp; |
| 216 | |
| 217 | /* Resolved addend. */ |
| 218 | bfd_vma addend_value; |
| 219 | |
| 220 | /* Output section where reloc should be performed. */ |
| 221 | asection *output_section; |
| 222 | |
| 223 | /* Offset within output section. */ |
| 224 | bfd_vma output_offset; |
| 225 | } lang_reloc_statement_type; |
| 226 | |
| 227 | struct lang_input_statement_flags |
| 228 | { |
| 229 | /* 1 means this file was specified in a -l option. */ |
| 230 | unsigned int maybe_archive : 1; |
| 231 | |
| 232 | /* 1 means this file was specified in a -l:namespec option. */ |
| 233 | unsigned int full_name_provided : 1; |
| 234 | |
| 235 | /* 1 means search a set of directories for this file. */ |
| 236 | unsigned int search_dirs : 1; |
| 237 | |
| 238 | /* 1 means this was found when processing a script in the sysroot. */ |
| 239 | unsigned int sysrooted : 1; |
| 240 | |
| 241 | /* 1 means this is base file of incremental load. |
| 242 | Do not load this file's text or data. |
| 243 | Also default text_start to after this file's bss. */ |
| 244 | unsigned int just_syms : 1; |
| 245 | |
| 246 | /* Whether to search for this entry as a dynamic archive. */ |
| 247 | unsigned int dynamic : 1; |
| 248 | |
| 249 | /* Set if a DT_NEEDED tag should be added not just for the dynamic library |
| 250 | explicitly given by this entry but also for any dynamic libraries in |
| 251 | this entry's needed list. */ |
| 252 | unsigned int add_DT_NEEDED_for_dynamic : 1; |
| 253 | |
| 254 | /* Set if this entry should cause a DT_NEEDED tag only when some |
| 255 | regular file references its symbols (ie. --as-needed is in effect). */ |
| 256 | unsigned int add_DT_NEEDED_for_regular : 1; |
| 257 | |
| 258 | /* Whether to include the entire contents of an archive. */ |
| 259 | unsigned int whole_archive : 1; |
| 260 | |
| 261 | /* Set when bfd opening is successful. */ |
| 262 | unsigned int loaded : 1; |
| 263 | |
| 264 | unsigned int real : 1; |
| 265 | |
| 266 | /* Set if the file does not exist. */ |
| 267 | unsigned int missing_file : 1; |
| 268 | |
| 269 | /* Set if reloading an archive or --as-needed lib. */ |
| 270 | unsigned int reload : 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 added by the lto plugin add_input_file callback. */ |
| 280 | unsigned int lto_output : 1; |
| 281 | #endif /* ENABLE_PLUGINS */ |
| 282 | |
| 283 | /* Head of list of pushed flags. */ |
| 284 | struct lang_input_statement_flags *pushed; |
| 285 | }; |
| 286 | |
| 287 | typedef struct lang_input_statement_struct |
| 288 | { |
| 289 | lang_statement_header_type header; |
| 290 | /* Name of this file. */ |
| 291 | const char *filename; |
| 292 | /* Name to use for the symbol giving address of text start. |
| 293 | Usually the same as filename, but for a file spec'd with |
| 294 | -l this is the -l switch itself rather than the filename. */ |
| 295 | const char *local_sym_name; |
| 296 | |
| 297 | bfd *the_bfd; |
| 298 | |
| 299 | ctf_archive_t *the_ctf; |
| 300 | |
| 301 | struct flag_info *section_flag_list; |
| 302 | |
| 303 | /* Next pointer for file_chain statement list. */ |
| 304 | struct lang_input_statement_struct *next; |
| 305 | |
| 306 | /* Next pointer for input_file_chain statement list. */ |
| 307 | struct lang_input_statement_struct *next_real_file; |
| 308 | |
| 309 | const char *target; |
| 310 | |
| 311 | struct lang_input_statement_flags flags; |
| 312 | } lang_input_statement_type; |
| 313 | |
| 314 | typedef struct |
| 315 | { |
| 316 | lang_statement_header_type header; |
| 317 | asection *section; |
| 318 | } lang_input_section_type; |
| 319 | |
| 320 | struct map_symbol_def { |
| 321 | struct bfd_link_hash_entry *entry; |
| 322 | struct map_symbol_def *next; |
| 323 | }; |
| 324 | |
| 325 | /* For input sections, when writing a map file: head / tail of a linked |
| 326 | list of hash table entries for symbols defined in this section. */ |
| 327 | typedef struct input_section_userdata_struct |
| 328 | { |
| 329 | struct map_symbol_def *map_symbol_def_head; |
| 330 | struct map_symbol_def **map_symbol_def_tail; |
| 331 | unsigned long map_symbol_def_count; |
| 332 | } input_section_userdata_type; |
| 333 | |
| 334 | static inline bfd_boolean |
| 335 | bfd_input_just_syms (const bfd *abfd) |
| 336 | { |
| 337 | lang_input_statement_type *is = bfd_usrdata (abfd); |
| 338 | return is != NULL && is->flags.just_syms; |
| 339 | } |
| 340 | |
| 341 | typedef struct lang_wild_statement_struct lang_wild_statement_type; |
| 342 | |
| 343 | typedef void (*callback_t) (lang_wild_statement_type *, struct wildcard_list *, |
| 344 | asection *, struct flag_info *, |
| 345 | lang_input_statement_type *, void *); |
| 346 | |
| 347 | typedef void (*walk_wild_section_handler_t) (lang_wild_statement_type *, |
| 348 | lang_input_statement_type *, |
| 349 | callback_t callback, |
| 350 | void *data); |
| 351 | |
| 352 | typedef bfd_boolean (*lang_match_sec_type_func) (bfd *, const asection *, |
| 353 | bfd *, const asection *); |
| 354 | |
| 355 | /* Binary search tree structure to efficiently sort sections by |
| 356 | name. */ |
| 357 | typedef struct lang_section_bst |
| 358 | { |
| 359 | asection *section; |
| 360 | struct lang_section_bst *left; |
| 361 | struct lang_section_bst *right; |
| 362 | } lang_section_bst_type; |
| 363 | |
| 364 | struct lang_wild_statement_struct |
| 365 | { |
| 366 | lang_statement_header_type header; |
| 367 | const char *filename; |
| 368 | bfd_boolean filenames_sorted; |
| 369 | struct wildcard_list *section_list; |
| 370 | bfd_boolean keep_sections; |
| 371 | lang_statement_list_type children; |
| 372 | struct name_list *exclude_name_list; |
| 373 | |
| 374 | walk_wild_section_handler_t walk_wild_section_handler; |
| 375 | struct wildcard_list *handler_data[4]; |
| 376 | lang_section_bst_type *tree; |
| 377 | struct flag_info *section_flag_list; |
| 378 | }; |
| 379 | |
| 380 | typedef struct lang_address_statement_struct |
| 381 | { |
| 382 | lang_statement_header_type header; |
| 383 | const char *section_name; |
| 384 | union etree_union *address; |
| 385 | const segment_type *segment; |
| 386 | } lang_address_statement_type; |
| 387 | |
| 388 | typedef struct |
| 389 | { |
| 390 | lang_statement_header_type header; |
| 391 | bfd_vma output_offset; |
| 392 | bfd_size_type size; |
| 393 | asection *output_section; |
| 394 | fill_type *fill; |
| 395 | } lang_padding_statement_type; |
| 396 | |
| 397 | /* A group statement collects a set of libraries together. The |
| 398 | libraries are searched multiple times, until no new undefined |
| 399 | symbols are found. The effect is to search a group of libraries as |
| 400 | though they were a single library. */ |
| 401 | |
| 402 | typedef struct |
| 403 | { |
| 404 | lang_statement_header_type header; |
| 405 | lang_statement_list_type children; |
| 406 | } lang_group_statement_type; |
| 407 | |
| 408 | typedef struct |
| 409 | { |
| 410 | lang_statement_header_type header; |
| 411 | const char *where; |
| 412 | bfd_boolean is_before; |
| 413 | } lang_insert_statement_type; |
| 414 | |
| 415 | typedef union lang_statement_union |
| 416 | { |
| 417 | lang_statement_header_type header; |
| 418 | lang_address_statement_type address_statement; |
| 419 | lang_assignment_statement_type assignment_statement; |
| 420 | lang_data_statement_type data_statement; |
| 421 | lang_fill_statement_type fill_statement; |
| 422 | lang_group_statement_type group_statement; |
| 423 | lang_input_section_type input_section; |
| 424 | lang_input_statement_type input_statement; |
| 425 | lang_insert_statement_type insert_statement; |
| 426 | lang_output_section_statement_type output_section_statement; |
| 427 | lang_output_statement_type output_statement; |
| 428 | lang_padding_statement_type padding_statement; |
| 429 | lang_reloc_statement_type reloc_statement; |
| 430 | lang_target_statement_type target_statement; |
| 431 | lang_wild_statement_type wild_statement; |
| 432 | } lang_statement_union_type; |
| 433 | |
| 434 | /* This structure holds information about a program header, from the |
| 435 | PHDRS command in the linker script. */ |
| 436 | |
| 437 | struct lang_phdr |
| 438 | { |
| 439 | struct lang_phdr *next; |
| 440 | const char *name; |
| 441 | unsigned long type; |
| 442 | bfd_boolean filehdr; |
| 443 | bfd_boolean phdrs; |
| 444 | etree_type *at; |
| 445 | etree_type *flags; |
| 446 | }; |
| 447 | |
| 448 | /* This structure is used to hold a list of sections which may not |
| 449 | cross reference each other. */ |
| 450 | |
| 451 | typedef struct lang_nocrossref |
| 452 | { |
| 453 | struct lang_nocrossref *next; |
| 454 | const char *name; |
| 455 | } lang_nocrossref_type; |
| 456 | |
| 457 | /* The list of nocrossref lists. */ |
| 458 | |
| 459 | struct lang_nocrossrefs |
| 460 | { |
| 461 | struct lang_nocrossrefs *next; |
| 462 | lang_nocrossref_type *list; |
| 463 | bfd_boolean onlyfirst; |
| 464 | }; |
| 465 | |
| 466 | /* This structure is used to hold a list of input section names which |
| 467 | will not match an output section in the linker script. */ |
| 468 | |
| 469 | struct unique_sections |
| 470 | { |
| 471 | struct unique_sections *next; |
| 472 | const char *name; |
| 473 | }; |
| 474 | |
| 475 | /* Used by place_orphan to keep track of orphan sections and statements. */ |
| 476 | |
| 477 | struct orphan_save |
| 478 | { |
| 479 | const char *name; |
| 480 | flagword flags; |
| 481 | lang_output_section_statement_type *os; |
| 482 | asection **section; |
| 483 | lang_statement_union_type **stmt; |
| 484 | lang_output_section_statement_type **os_tail; |
| 485 | }; |
| 486 | |
| 487 | struct asneeded_minfo |
| 488 | { |
| 489 | struct asneeded_minfo *next; |
| 490 | const char *soname; |
| 491 | bfd *ref; |
| 492 | const char *name; |
| 493 | }; |
| 494 | |
| 495 | extern struct lang_phdr *lang_phdr_list; |
| 496 | extern struct lang_nocrossrefs *nocrossref_list; |
| 497 | extern const char *output_target; |
| 498 | extern lang_output_section_statement_type *abs_output_section; |
| 499 | extern lang_statement_list_type lang_os_list; |
| 500 | extern struct lang_input_statement_flags input_flags; |
| 501 | extern bfd_boolean lang_has_input_file; |
| 502 | extern lang_statement_list_type *stat_ptr; |
| 503 | extern bfd_boolean delete_output_file_on_failure; |
| 504 | |
| 505 | extern struct bfd_sym_chain entry_symbol; |
| 506 | extern const char *entry_section; |
| 507 | extern bfd_boolean entry_from_cmdline; |
| 508 | extern lang_statement_list_type file_chain; |
| 509 | extern lang_statement_list_type input_file_chain; |
| 510 | |
| 511 | extern int lang_statement_iteration; |
| 512 | extern struct asneeded_minfo **asneeded_list_tail; |
| 513 | |
| 514 | extern void (*output_bfd_hash_table_free_fn) (struct bfd_link_hash_table *); |
| 515 | |
| 516 | extern void lang_init |
| 517 | (void); |
| 518 | extern void lang_finish |
| 519 | (void); |
| 520 | extern lang_memory_region_type * lang_memory_region_lookup |
| 521 | (const char * const, bfd_boolean); |
| 522 | extern void lang_memory_region_alias |
| 523 | (const char *, const char *); |
| 524 | extern void lang_map |
| 525 | (void); |
| 526 | extern void lang_set_flags |
| 527 | (lang_memory_region_type *, const char *, int); |
| 528 | extern void lang_add_output |
| 529 | (const char *, int from_script); |
| 530 | extern lang_output_section_statement_type *lang_enter_output_section_statement |
| 531 | (const char *, etree_type *, enum section_type, etree_type *, etree_type *, |
| 532 | etree_type *, int, int); |
| 533 | extern void lang_final |
| 534 | (void); |
| 535 | extern void lang_relax_sections |
| 536 | (bfd_boolean); |
| 537 | extern void lang_process |
| 538 | (void); |
| 539 | extern void lang_section_start |
| 540 | (const char *, union etree_union *, const segment_type *); |
| 541 | extern void lang_add_entry |
| 542 | (const char *, bfd_boolean); |
| 543 | extern void lang_default_entry |
| 544 | (const char *); |
| 545 | extern void lang_add_target |
| 546 | (const char *); |
| 547 | extern void lang_add_wild |
| 548 | (struct wildcard_spec *, struct wildcard_list *, bfd_boolean); |
| 549 | extern void lang_add_map |
| 550 | (const char *); |
| 551 | extern void lang_add_fill |
| 552 | (fill_type *); |
| 553 | extern lang_assignment_statement_type *lang_add_assignment |
| 554 | (union etree_union *); |
| 555 | extern void lang_add_attribute |
| 556 | (enum statement_enum); |
| 557 | extern void lang_startup |
| 558 | (const char *); |
| 559 | extern void lang_float |
| 560 | (bfd_boolean); |
| 561 | extern void lang_leave_output_section_statement |
| 562 | (fill_type *, const char *, lang_output_section_phdr_list *, |
| 563 | const char *); |
| 564 | extern void lang_for_each_input_file |
| 565 | (void (*dothis) (lang_input_statement_type *)); |
| 566 | extern void lang_for_each_file |
| 567 | (void (*dothis) (lang_input_statement_type *)); |
| 568 | extern void lang_reset_memory_regions |
| 569 | (void); |
| 570 | extern void lang_do_assignments |
| 571 | (lang_phase_type); |
| 572 | extern asection *section_for_dot |
| 573 | (void); |
| 574 | |
| 575 | #define LANG_FOR_EACH_INPUT_STATEMENT(statement) \ |
| 576 | lang_input_statement_type *statement; \ |
| 577 | for (statement = (lang_input_statement_type *) file_chain.head; \ |
| 578 | statement != NULL; \ |
| 579 | statement = statement->next) |
| 580 | |
| 581 | #define lang_output_section_find(NAME) \ |
| 582 | lang_output_section_statement_lookup (NAME, 0, FALSE) |
| 583 | |
| 584 | extern void lang_process |
| 585 | (void); |
| 586 | extern void ldlang_add_file |
| 587 | (lang_input_statement_type *); |
| 588 | extern lang_output_section_statement_type *lang_output_section_find_by_flags |
| 589 | (const asection *, flagword, lang_output_section_statement_type **, |
| 590 | lang_match_sec_type_func); |
| 591 | extern lang_output_section_statement_type *lang_insert_orphan |
| 592 | (asection *, const char *, int, lang_output_section_statement_type *, |
| 593 | struct orphan_save *, etree_type *, lang_statement_list_type *); |
| 594 | extern lang_input_statement_type *lang_add_input_file |
| 595 | (const char *, lang_input_file_enum_type, const char *); |
| 596 | extern void lang_add_keepsyms_file |
| 597 | (const char *); |
| 598 | extern lang_output_section_statement_type *lang_output_section_get |
| 599 | (const asection *); |
| 600 | extern lang_output_section_statement_type *lang_output_section_statement_lookup |
| 601 | (const char *, int, bfd_boolean); |
| 602 | extern lang_output_section_statement_type *next_matching_output_section_statement |
| 603 | (lang_output_section_statement_type *, int); |
| 604 | extern void ldlang_add_undef |
| 605 | (const char *const, bfd_boolean); |
| 606 | extern void ldlang_add_require_defined |
| 607 | (const char *const); |
| 608 | extern void lang_add_output_format |
| 609 | (const char *, const char *, const char *, int); |
| 610 | extern void lang_list_init |
| 611 | (lang_statement_list_type *); |
| 612 | extern void push_stat_ptr |
| 613 | (lang_statement_list_type *); |
| 614 | extern void pop_stat_ptr |
| 615 | (void); |
| 616 | extern void lang_add_data |
| 617 | (int type, union etree_union *); |
| 618 | extern void lang_add_reloc |
| 619 | (bfd_reloc_code_real_type, reloc_howto_type *, asection *, const char *, |
| 620 | union etree_union *); |
| 621 | extern void lang_for_each_statement |
| 622 | (void (*) (lang_statement_union_type *)); |
| 623 | extern void lang_for_each_statement_worker |
| 624 | (void (*) (lang_statement_union_type *), lang_statement_union_type *); |
| 625 | extern void *stat_alloc |
| 626 | (size_t); |
| 627 | extern void strip_excluded_output_sections |
| 628 | (void); |
| 629 | extern void lang_clear_os_map |
| 630 | (void); |
| 631 | extern void dprint_statement |
| 632 | (lang_statement_union_type *, int); |
| 633 | extern void lang_size_sections |
| 634 | (bfd_boolean *, bfd_boolean); |
| 635 | extern void one_lang_size_sections_pass |
| 636 | (bfd_boolean *, bfd_boolean); |
| 637 | extern void lang_add_insert |
| 638 | (const char *, int); |
| 639 | extern void lang_enter_group |
| 640 | (void); |
| 641 | extern void lang_leave_group |
| 642 | (void); |
| 643 | extern void lang_add_section |
| 644 | (lang_statement_list_type *, asection *, |
| 645 | struct flag_info *, lang_output_section_statement_type *); |
| 646 | extern void lang_new_phdr |
| 647 | (const char *, etree_type *, bfd_boolean, bfd_boolean, etree_type *, |
| 648 | etree_type *); |
| 649 | extern void lang_add_nocrossref |
| 650 | (lang_nocrossref_type *); |
| 651 | extern void lang_add_nocrossref_to |
| 652 | (lang_nocrossref_type *); |
| 653 | extern void lang_enter_overlay |
| 654 | (etree_type *, etree_type *); |
| 655 | extern void lang_enter_overlay_section |
| 656 | (const char *); |
| 657 | extern void lang_leave_overlay_section |
| 658 | (fill_type *, lang_output_section_phdr_list *); |
| 659 | extern void lang_leave_overlay |
| 660 | (etree_type *, int, fill_type *, const char *, |
| 661 | lang_output_section_phdr_list *, const char *); |
| 662 | |
| 663 | extern struct bfd_elf_version_expr *lang_new_vers_pattern |
| 664 | (struct bfd_elf_version_expr *, const char *, const char *, bfd_boolean); |
| 665 | extern struct bfd_elf_version_tree *lang_new_vers_node |
| 666 | (struct bfd_elf_version_expr *, struct bfd_elf_version_expr *); |
| 667 | extern struct bfd_elf_version_deps *lang_add_vers_depend |
| 668 | (struct bfd_elf_version_deps *, const char *); |
| 669 | extern void lang_register_vers_node |
| 670 | (const char *, struct bfd_elf_version_tree *, struct bfd_elf_version_deps *); |
| 671 | extern void lang_append_dynamic_list (struct bfd_elf_version_expr *); |
| 672 | extern void lang_append_dynamic_list_cpp_typeinfo (void); |
| 673 | extern void lang_append_dynamic_list_cpp_new (void); |
| 674 | extern void lang_add_unique |
| 675 | (const char *); |
| 676 | extern const char *lang_get_output_target |
| 677 | (void); |
| 678 | extern void add_excluded_libs (const char *); |
| 679 | extern bfd_boolean load_symbols |
| 680 | (lang_input_statement_type *, lang_statement_list_type *); |
| 681 | |
| 682 | struct elf_sym_strtab; |
| 683 | struct elf_strtab_hash; |
| 684 | extern void ldlang_ctf_apply_strsym |
| 685 | (struct elf_sym_strtab *, bfd_size_type, struct elf_strtab_hash *); |
| 686 | extern void ldlang_write_ctf_late |
| 687 | (void); |
| 688 | extern bfd_boolean |
| 689 | ldlang_override_segment_assignment |
| 690 | (struct bfd_link_info *, bfd *, asection *, asection *, bfd_boolean); |
| 691 | |
| 692 | extern void |
| 693 | lang_ld_feature (char *); |
| 694 | |
| 695 | extern void |
| 696 | lang_print_memory_usage (void); |
| 697 | |
| 698 | extern void |
| 699 | lang_add_gc_name (const char *); |
| 700 | |
| 701 | #endif |