]>
Commit | Line | Data |
---|---|---|
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 |