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Commit | Line | Data |
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252b5132 | 1 | /* ldlang.h - linker command language support |
fd67aa11 | 2 | Copyright (C) 1991-2024 Free Software Foundation, Inc. |
5cc18311 | 3 | |
f96b4a7b | 4 | This file is part of the GNU Binutils. |
5cc18311 | 5 | |
f96b4a7b | 6 | This program is free software; you can redistribute it and/or modify |
252b5132 | 7 | it under the terms of the GNU General Public License as published by |
f96b4a7b NC |
8 | the Free Software Foundation; either version 3 of the License, or |
9 | (at your option) any later version. | |
5cc18311 | 10 | |
f96b4a7b | 11 | This program is distributed in the hope that it will be useful, |
252b5132 RH |
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. | |
5cc18311 | 15 | |
252b5132 | 16 | You should have received a copy of the GNU General Public License |
f96b4a7b NC |
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. */ | |
252b5132 RH |
20 | |
21 | #ifndef LDLANG_H | |
22 | #define LDLANG_H | |
23 | ||
a747ee4d NC |
24 | #define DEFAULT_MEMORY_REGION "*default*" |
25 | ||
3edf7b9f DR |
26 | #define SECTION_NAME_MAP_LENGTH (16) |
27 | ||
6bdafbeb NC |
28 | typedef enum |
29 | { | |
252b5132 RH |
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 | ||
6bdafbeb NC |
38 | struct _fill_type |
39 | { | |
2c382fb6 AM |
40 | size_t size; |
41 | unsigned char data[1]; | |
42 | }; | |
89cdebba | 43 | |
6bdafbeb NC |
44 | typedef struct statement_list |
45 | { | |
4a93e180 NC |
46 | union lang_statement_union * head; |
47 | union lang_statement_union ** tail; | |
252b5132 RH |
48 | } lang_statement_list_type; |
49 | ||
4a93e180 NC |
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 | ||
6bdafbeb NC |
56 | typedef struct memory_region_struct |
57 | { | |
4a93e180 | 58 | lang_memory_region_name name_list; |
252b5132 | 59 | struct memory_region_struct *next; |
cc9ad334 | 60 | union etree_union *origin_exp; |
252b5132 RH |
61 | bfd_vma origin; |
62 | bfd_size_type length; | |
cc9ad334 | 63 | union etree_union *length_exp; |
252b5132 | 64 | bfd_vma current; |
66e28d60 | 65 | union lang_statement_union *last_os; |
252b5132 RH |
66 | flagword flags; |
67 | flagword not_flags; | |
f38a2680 | 68 | bool had_full_message; |
89cdebba KH |
69 | } lang_memory_region_type; |
70 | ||
1e9cc1c2 NC |
71 | enum statement_enum |
72 | { | |
1e9cc1c2 | 73 | lang_address_statement_enum, |
dc02848a | 74 | lang_assignment_statement_enum, |
1e9cc1c2 | 75 | lang_data_statement_enum, |
dc02848a | 76 | lang_fill_statement_enum, |
1e9cc1c2 | 77 | lang_group_statement_enum, |
dc02848a | 78 | lang_input_section_enum, |
43ae96e9 | 79 | lang_input_matcher_enum, |
dc02848a | 80 | lang_input_statement_enum, |
1e9cc1c2 | 81 | lang_insert_statement_enum, |
dc02848a AM |
82 | lang_output_section_statement_enum, |
83 | lang_output_statement_enum, | |
84 | lang_padding_statement_enum, | |
85 | lang_reloc_statement_enum, | |
86 | lang_target_statement_enum, | |
87 | lang_wild_statement_enum, | |
88 | lang_constructors_statement_enum, | |
89 | lang_object_symbols_statement_enum | |
1e9cc1c2 NC |
90 | }; |
91 | ||
6bdafbeb NC |
92 | typedef struct lang_statement_header_struct |
93 | { | |
e368bf56 | 94 | /* Next pointer for statement_list statement list. */ |
89cdebba | 95 | union lang_statement_union *next; |
1e9cc1c2 | 96 | enum statement_enum type; |
252b5132 RH |
97 | } lang_statement_header_type; |
98 | ||
6bdafbeb NC |
99 | typedef struct |
100 | { | |
252b5132 RH |
101 | lang_statement_header_type header; |
102 | union etree_union *exp; | |
103 | } lang_assignment_statement_type; | |
104 | ||
6bdafbeb NC |
105 | typedef struct lang_target_statement_struct |
106 | { | |
252b5132 RH |
107 | lang_statement_header_type header; |
108 | const char *target; | |
109 | } lang_target_statement_type; | |
110 | ||
6bdafbeb NC |
111 | typedef struct lang_output_statement_struct |
112 | { | |
252b5132 RH |
113 | lang_statement_header_type header; |
114 | const char *name; | |
115 | } lang_output_statement_type; | |
116 | ||
117 | /* Section types specified in a linker script. */ | |
118 | ||
6bdafbeb NC |
119 | enum section_type |
120 | { | |
252b5132 | 121 | normal_section, |
7b243801 | 122 | first_overlay_section, |
152d792f | 123 | overlay_section, |
252b5132 | 124 | noload_section, |
6b86da53 | 125 | noalloc_section, |
c212f39d FS |
126 | type_section, |
127 | readonly_section, | |
128 | typed_readonly_section | |
252b5132 RH |
129 | }; |
130 | ||
6bdafbeb NC |
131 | /* This structure holds a list of program headers describing |
132 | segments in which this section should be placed. */ | |
252b5132 | 133 | |
6bdafbeb NC |
134 | typedef struct lang_output_section_phdr_list |
135 | { | |
252b5132 RH |
136 | struct lang_output_section_phdr_list *next; |
137 | const char *name; | |
f38a2680 | 138 | bool used; |
6bdafbeb | 139 | } lang_output_section_phdr_list; |
252b5132 | 140 | |
6bdafbeb NC |
141 | typedef struct lang_output_section_statement_struct |
142 | { | |
252b5132 | 143 | lang_statement_header_type header; |
252b5132 | 144 | lang_statement_list_type children; |
afd7a018 | 145 | struct lang_output_section_statement_struct *next; |
218868ba | 146 | struct lang_output_section_statement_struct *prev; |
252b5132 | 147 | const char *name; |
252b5132 | 148 | asection *bfd_section; |
6bdafbeb NC |
149 | lang_memory_region_type *region; |
150 | lang_memory_region_type *lma_region; | |
2c382fb6 | 151 | fill_type *fill; |
7fabd029 | 152 | union etree_union *addr_tree; |
252b5132 | 153 | union etree_union *load_base; |
3d9c8f6b AM |
154 | union etree_union *section_alignment; |
155 | union etree_union *subsection_alignment; | |
252b5132 | 156 | |
9f88b410 RS |
157 | /* If non-null, an expression to evaluate after setting the section's |
158 | size. The expression is evaluated inside REGION (above) with '.' | |
159 | set to the end of the section. Used in the last overlay section | |
160 | to move '.' past all the overlaid sections. */ | |
161 | union etree_union *update_dot_tree; | |
162 | ||
6bdafbeb | 163 | lang_output_section_phdr_list *phdrs; |
7fabd029 | 164 | |
b209b5a6 AM |
165 | /* Used by ELF SHF_LINK_ORDER sorting. */ |
166 | void *data; | |
167 | ||
7fabd029 | 168 | unsigned int block_value; |
7fabd029 AM |
169 | int constraint; |
170 | flagword flags; | |
171 | enum section_type sectype; | |
c212f39d | 172 | etree_type *sectype_value; |
cde9e0be AM |
173 | unsigned int processed_vma : 1; |
174 | unsigned int processed_lma : 1; | |
7fabd029 | 175 | unsigned int all_input_readonly : 1; |
49c13adb | 176 | /* If this section should be ignored. */ |
e4492aa0 | 177 | unsigned int ignored : 1; |
6d8bf25d | 178 | /* If this section should update "dot". Prevents section being ignored. */ |
e4492aa0 | 179 | unsigned int update_dot : 1; |
d2667025 AM |
180 | /* If this section is after assignment to _end. */ |
181 | unsigned int after_end : 1; | |
1eec346e NC |
182 | /* If this section uses the alignment of its input sections. */ |
183 | unsigned int align_lma_with_input : 1; | |
de34d428 AM |
184 | /* If script has duplicate output section statements of the same name |
185 | create duplicate output sections. */ | |
186 | unsigned int dup_output : 1; | |
252b5132 RH |
187 | } lang_output_section_statement_type; |
188 | ||
6bdafbeb NC |
189 | typedef struct |
190 | { | |
252b5132 | 191 | lang_statement_header_type header; |
2c382fb6 | 192 | fill_type *fill; |
252b5132 RH |
193 | int size; |
194 | asection *output_section; | |
195 | } lang_fill_statement_type; | |
196 | ||
6bdafbeb NC |
197 | typedef struct |
198 | { | |
252b5132 RH |
199 | lang_statement_header_type header; |
200 | unsigned int type; | |
89cdebba | 201 | union etree_union *exp; |
252b5132 RH |
202 | bfd_vma value; |
203 | asection *output_section; | |
7fabd029 | 204 | bfd_vma output_offset; |
252b5132 RH |
205 | } lang_data_statement_type; |
206 | ||
207 | /* Generate a reloc in the output file. */ | |
208 | ||
6bdafbeb NC |
209 | typedef struct |
210 | { | |
252b5132 RH |
211 | lang_statement_header_type header; |
212 | ||
213 | /* Reloc to generate. */ | |
214 | bfd_reloc_code_real_type reloc; | |
215 | ||
216 | /* Reloc howto structure. */ | |
217 | reloc_howto_type *howto; | |
218 | ||
6bdafbeb NC |
219 | /* Section to generate reloc against. |
220 | Exactly one of section and name must be NULL. */ | |
252b5132 RH |
221 | asection *section; |
222 | ||
6bdafbeb NC |
223 | /* Name of symbol to generate reloc against. |
224 | Exactly one of section and name must be NULL. */ | |
252b5132 RH |
225 | const char *name; |
226 | ||
227 | /* Expression for addend. */ | |
228 | union etree_union *addend_exp; | |
229 | ||
230 | /* Resolved addend. */ | |
231 | bfd_vma addend_value; | |
232 | ||
233 | /* Output section where reloc should be performed. */ | |
234 | asection *output_section; | |
235 | ||
7fabd029 AM |
236 | /* Offset within output section. */ |
237 | bfd_vma output_offset; | |
252b5132 RH |
238 | } lang_reloc_statement_type; |
239 | ||
66be1055 | 240 | struct lang_input_statement_flags |
6bdafbeb | 241 | { |
66be1055 | 242 | /* 1 means this file was specified in a -l option. */ |
b7f95647 | 243 | unsigned int maybe_archive : 1; |
5cc18311 | 244 | |
d4ae5fb0 AM |
245 | /* 1 means this file was specified in a -l:namespec option. */ |
246 | unsigned int full_name_provided : 1; | |
247 | ||
252b5132 | 248 | /* 1 means search a set of directories for this file. */ |
66be1055 | 249 | unsigned int search_dirs : 1; |
5cc18311 | 250 | |
f4a23d42 | 251 | /* 1 means this was found when processing a script in the sysroot. */ |
409d7240 | 252 | unsigned int sysrooted : 1; |
e3f2db7f | 253 | |
252b5132 RH |
254 | /* 1 means this is base file of incremental load. |
255 | Do not load this file's text or data. | |
5cc18311 | 256 | Also default text_start to after this file's bss. */ |
66be1055 | 257 | unsigned int just_syms : 1; |
252b5132 RH |
258 | |
259 | /* Whether to search for this entry as a dynamic archive. */ | |
409d7240 | 260 | unsigned int dynamic : 1; |
252b5132 | 261 | |
15fc2e13 AM |
262 | /* Set if a DT_NEEDED tag should be added not just for the dynamic library |
263 | explicitly given by this entry but also for any dynamic libraries in | |
264 | this entry's needed list. */ | |
ddbb8a31 | 265 | unsigned int add_DT_NEEDED_for_dynamic : 1; |
e56f61be | 266 | |
15fc2e13 AM |
267 | /* Set if this entry should cause a DT_NEEDED tag only when some |
268 | regular file references its symbols (ie. --as-needed is in effect). */ | |
ddbb8a31 | 269 | unsigned int add_DT_NEEDED_for_regular : 1; |
4a43e768 | 270 | |
252b5132 | 271 | /* Whether to include the entire contents of an archive. */ |
409d7240 | 272 | unsigned int whole_archive : 1; |
252b5132 | 273 | |
c4b78195 | 274 | /* Set when bfd opening is successful. */ |
409d7240 | 275 | unsigned int loaded : 1; |
5cc18311 | 276 | |
409d7240 | 277 | unsigned int real : 1; |
c4b78195 NC |
278 | |
279 | /* Set if the file does not exist. */ | |
280 | unsigned int missing_file : 1; | |
5d3236ee | 281 | |
e77620a5 AM |
282 | /* Set if reloading an archive or --as-needed lib. */ |
283 | unsigned int reload : 1; | |
284 | ||
0381901e | 285 | #if BFD_SUPPORTS_PLUGINS |
5d3236ee DK |
286 | /* Set if the file was claimed by a plugin. */ |
287 | unsigned int claimed : 1; | |
288 | ||
8543fde5 DK |
289 | /* Set if the file was claimed from an archive. */ |
290 | unsigned int claim_archive : 1; | |
ce875075 AM |
291 | |
292 | /* Set if added by the lto plugin add_input_file callback. */ | |
293 | unsigned int lto_output : 1; | |
0381901e | 294 | #endif /* BFD_SUPPORTS_PLUGINS */ |
26278bb8 UD |
295 | |
296 | /* Head of list of pushed flags. */ | |
297 | struct lang_input_statement_flags *pushed; | |
66be1055 AM |
298 | }; |
299 | ||
300 | typedef struct lang_input_statement_struct | |
301 | { | |
302 | lang_statement_header_type header; | |
303 | /* Name of this file. */ | |
304 | const char *filename; | |
305 | /* Name to use for the symbol giving address of text start. | |
306 | Usually the same as filename, but for a file spec'd with | |
307 | -l this is the -l switch itself rather than the filename. */ | |
308 | const char *local_sym_name; | |
a6ad7914 AM |
309 | /* Name to use when sorting. */ |
310 | const char *sort_key; | |
16171946 FS |
311 | /* Extra search path. Used to find a file relative to the |
312 | directory of the current linker script. */ | |
313 | const char *extra_search_path; | |
66be1055 AM |
314 | |
315 | bfd *the_bfd; | |
316 | ||
1ff6de03 NA |
317 | ctf_archive_t *the_ctf; |
318 | ||
66be1055 AM |
319 | struct flag_info *section_flag_list; |
320 | ||
e368bf56 | 321 | /* Next pointer for file_chain statement list. */ |
36983a93 | 322 | struct lang_input_statement_struct *next; |
66be1055 | 323 | |
e368bf56 | 324 | /* Next pointer for input_file_chain statement list. */ |
36983a93 | 325 | struct lang_input_statement_struct *next_real_file; |
66be1055 AM |
326 | |
327 | const char *target; | |
8543fde5 | 328 | |
66be1055 | 329 | struct lang_input_statement_flags flags; |
252b5132 RH |
330 | } lang_input_statement_type; |
331 | ||
6bdafbeb NC |
332 | typedef struct |
333 | { | |
252b5132 RH |
334 | lang_statement_header_type header; |
335 | asection *section; | |
b209b5a6 | 336 | void *pattern; |
5cc18311 | 337 | } lang_input_section_type; |
252b5132 | 338 | |
43ae96e9 MM |
339 | typedef struct |
340 | { | |
341 | lang_statement_header_type header; | |
342 | asection *section; | |
343 | void *pattern; | |
344 | lang_input_statement_type *input_stmt; | |
345 | } lang_input_matcher_type; | |
346 | ||
7dd9c6eb AM |
347 | struct map_symbol_def { |
348 | struct bfd_link_hash_entry *entry; | |
349 | struct map_symbol_def *next; | |
350 | }; | |
351 | ||
6fcc66ab AM |
352 | /* For input sections, when writing a map file: head / tail of a linked |
353 | list of hash table entries for symbols defined in this section. */ | |
354 | typedef struct input_section_userdata_struct | |
355 | { | |
356 | struct map_symbol_def *map_symbol_def_head; | |
357 | struct map_symbol_def **map_symbol_def_tail; | |
358 | unsigned long map_symbol_def_count; | |
359 | } input_section_userdata_type; | |
360 | ||
f38a2680 | 361 | static inline bool |
00f93c44 AM |
362 | bfd_input_just_syms (const bfd *abfd) |
363 | { | |
364 | lang_input_statement_type *is = bfd_usrdata (abfd); | |
365 | return is != NULL && is->flags.just_syms; | |
366 | } | |
6fcc66ab | 367 | |
72223188 JJ |
368 | typedef struct lang_wild_statement_struct lang_wild_statement_type; |
369 | ||
370 | typedef void (*callback_t) (lang_wild_statement_type *, struct wildcard_list *, | |
8c4645b4 | 371 | asection *, lang_input_statement_type *, void *); |
72223188 JJ |
372 | |
373 | typedef void (*walk_wild_section_handler_t) (lang_wild_statement_type *, | |
374 | lang_input_statement_type *, | |
375 | callback_t callback, | |
376 | void *data); | |
377 | ||
f38a2680 AM |
378 | typedef bool (*lang_match_sec_type_func) (bfd *, const asection *, |
379 | bfd *, const asection *); | |
390fbbf1 | 380 | |
e6f2cbf5 L |
381 | /* Binary search tree structure to efficiently sort sections by |
382 | name. */ | |
383 | typedef struct lang_section_bst | |
384 | { | |
385 | asection *section; | |
b209b5a6 | 386 | void *pattern; |
e6f2cbf5 L |
387 | struct lang_section_bst *left; |
388 | struct lang_section_bst *right; | |
389 | } lang_section_bst_type; | |
390 | ||
72223188 | 391 | struct lang_wild_statement_struct |
6bdafbeb | 392 | { |
85921e9a NC |
393 | lang_statement_header_type header; |
394 | lang_statement_list_type children; | |
395 | lang_statement_list_type matching_sections; | |
396 | lang_section_bst_type * tree; | |
397 | lang_section_bst_type ** rightmost; | |
398 | struct wildcard_list * section_list; | |
399 | struct name_list * exclude_name_list; | |
400 | struct flag_info * section_flag_list; | |
401 | const char * filename; | |
402 | bool filenames_sorted; | |
403 | bool filenames_reversed; | |
404 | bool any_specs_sorted; | |
405 | bool keep_sections; | |
72223188 | 406 | }; |
252b5132 | 407 | |
6bdafbeb NC |
408 | typedef struct lang_address_statement_struct |
409 | { | |
252b5132 | 410 | lang_statement_header_type header; |
89cdebba KH |
411 | const char *section_name; |
412 | union etree_union *address; | |
ba916c8a | 413 | const segment_type *segment; |
252b5132 RH |
414 | } lang_address_statement_type; |
415 | ||
6bdafbeb NC |
416 | typedef struct |
417 | { | |
252b5132 RH |
418 | lang_statement_header_type header; |
419 | bfd_vma output_offset; | |
1a69ff95 | 420 | bfd_size_type size; |
252b5132 | 421 | asection *output_section; |
2c382fb6 | 422 | fill_type *fill; |
252b5132 RH |
423 | } lang_padding_statement_type; |
424 | ||
425 | /* A group statement collects a set of libraries together. The | |
426 | libraries are searched multiple times, until no new undefined | |
427 | symbols are found. The effect is to search a group of libraries as | |
428 | though they were a single library. */ | |
429 | ||
6bdafbeb NC |
430 | typedef struct |
431 | { | |
252b5132 RH |
432 | lang_statement_header_type header; |
433 | lang_statement_list_type children; | |
434 | } lang_group_statement_type; | |
435 | ||
53d25da6 AM |
436 | typedef struct |
437 | { | |
438 | lang_statement_header_type header; | |
439 | const char *where; | |
f38a2680 | 440 | bool is_before; |
53d25da6 AM |
441 | } lang_insert_statement_type; |
442 | ||
6bdafbeb NC |
443 | typedef union lang_statement_union |
444 | { | |
252b5132 | 445 | lang_statement_header_type header; |
252b5132 | 446 | lang_address_statement_type address_statement; |
252b5132 | 447 | lang_assignment_statement_type assignment_statement; |
dc02848a | 448 | lang_data_statement_type data_statement; |
252b5132 | 449 | lang_fill_statement_type fill_statement; |
252b5132 | 450 | lang_group_statement_type group_statement; |
dc02848a | 451 | lang_input_section_type input_section; |
43ae96e9 | 452 | lang_input_matcher_type input_matcher; |
dc02848a | 453 | lang_input_statement_type input_statement; |
53d25da6 | 454 | lang_insert_statement_type insert_statement; |
dc02848a AM |
455 | lang_output_section_statement_type output_section_statement; |
456 | lang_output_statement_type output_statement; | |
457 | lang_padding_statement_type padding_statement; | |
458 | lang_reloc_statement_type reloc_statement; | |
459 | lang_target_statement_type target_statement; | |
460 | lang_wild_statement_type wild_statement; | |
252b5132 RH |
461 | } lang_statement_union_type; |
462 | ||
463 | /* This structure holds information about a program header, from the | |
464 | PHDRS command in the linker script. */ | |
465 | ||
6bdafbeb NC |
466 | struct lang_phdr |
467 | { | |
252b5132 RH |
468 | struct lang_phdr *next; |
469 | const char *name; | |
470 | unsigned long type; | |
f38a2680 AM |
471 | bool filehdr; |
472 | bool phdrs; | |
252b5132 RH |
473 | etree_type *at; |
474 | etree_type *flags; | |
475 | }; | |
476 | ||
477 | /* This structure is used to hold a list of sections which may not | |
478 | cross reference each other. */ | |
479 | ||
6bdafbeb NC |
480 | typedef struct lang_nocrossref |
481 | { | |
252b5132 RH |
482 | struct lang_nocrossref *next; |
483 | const char *name; | |
6bdafbeb | 484 | } lang_nocrossref_type; |
252b5132 RH |
485 | |
486 | /* The list of nocrossref lists. */ | |
487 | ||
6bdafbeb NC |
488 | struct lang_nocrossrefs |
489 | { | |
252b5132 | 490 | struct lang_nocrossrefs *next; |
6bdafbeb | 491 | lang_nocrossref_type *list; |
f38a2680 | 492 | bool onlyfirst; |
252b5132 RH |
493 | }; |
494 | ||
577a0623 AM |
495 | /* This structure is used to hold a list of input section names which |
496 | will not match an output section in the linker script. */ | |
497 | ||
6bdafbeb NC |
498 | struct unique_sections |
499 | { | |
577a0623 AM |
500 | struct unique_sections *next; |
501 | const char *name; | |
502 | }; | |
503 | ||
afd7a018 AM |
504 | /* Used by place_orphan to keep track of orphan sections and statements. */ |
505 | ||
4a93e180 NC |
506 | struct orphan_save |
507 | { | |
afd7a018 AM |
508 | const char *name; |
509 | flagword flags; | |
510 | lang_output_section_statement_type *os; | |
511 | asection **section; | |
512 | lang_statement_union_type **stmt; | |
513 | lang_output_section_statement_type **os_tail; | |
514 | }; | |
515 | ||
16e4ecc0 AM |
516 | struct asneeded_minfo |
517 | { | |
518 | struct asneeded_minfo *next; | |
519 | const char *soname; | |
520 | bfd *ref; | |
521 | const char *name; | |
522 | }; | |
523 | ||
66be1055 AM |
524 | extern struct lang_phdr *lang_phdr_list; |
525 | extern struct lang_nocrossrefs *nocrossref_list; | |
8be573a7 | 526 | extern const char *output_target; |
252b5132 | 527 | extern lang_output_section_statement_type *abs_output_section; |
5c1e6d53 | 528 | extern lang_statement_list_type lang_os_list; |
66be1055 | 529 | extern struct lang_input_statement_flags input_flags; |
f38a2680 | 530 | extern bool lang_has_input_file; |
b209b5a6 | 531 | extern lang_statement_list_type statement_list; |
252b5132 | 532 | extern lang_statement_list_type *stat_ptr; |
f38a2680 | 533 | extern bool delete_output_file_on_failure; |
2d5783fa | 534 | extern bool enable_linker_version; |
252b5132 | 535 | |
e3e942e9 | 536 | extern struct bfd_sym_chain entry_symbol; |
1e281515 | 537 | extern const char *entry_section; |
f38a2680 | 538 | extern bool entry_from_cmdline; |
b71e2778 | 539 | extern lang_statement_list_type file_chain; |
dc27aea4 | 540 | extern lang_statement_list_type input_file_chain; |
252b5132 | 541 | |
37a141bf FS |
542 | extern struct bfd_elf_dynamic_list **current_dynamic_list_p; |
543 | ||
420e579c | 544 | extern int lang_statement_iteration; |
16e4ecc0 | 545 | extern struct asneeded_minfo **asneeded_list_tail; |
420e579c | 546 | |
eae25ec5 HPN |
547 | extern void (*output_bfd_hash_table_free_fn) (struct bfd_link_hash_table *); |
548 | ||
f53154de | 549 | extern void lang_init |
1579bae1 | 550 | (void); |
750877ba L |
551 | extern void lang_finish |
552 | (void); | |
4a93e180 | 553 | extern lang_memory_region_type * lang_memory_region_lookup |
f38a2680 | 554 | (const char * const, bool); |
4a93e180 NC |
555 | extern void lang_memory_region_alias |
556 | (const char *, const char *); | |
f53154de | 557 | extern void lang_map |
1579bae1 | 558 | (void); |
f53154de | 559 | extern void lang_set_flags |
1579bae1 | 560 | (lang_memory_region_type *, const char *, int); |
f53154de | 561 | extern void lang_add_output |
1579bae1 | 562 | (const char *, int from_script); |
aea4bd9d | 563 | extern lang_output_section_statement_type *lang_enter_output_section_statement |
1eec346e | 564 | (const char *, etree_type *, enum section_type, etree_type *, etree_type *, |
c212f39d | 565 | etree_type *, etree_type *, int, int); |
f53154de | 566 | extern void lang_final |
1579bae1 | 567 | (void); |
eaeb0a9d | 568 | extern void lang_relax_sections |
f38a2680 | 569 | (bool); |
f53154de | 570 | extern void lang_process |
1579bae1 | 571 | (void); |
f53154de | 572 | extern void lang_section_start |
ba916c8a | 573 | (const char *, union etree_union *, const segment_type *); |
f53154de | 574 | extern void lang_add_entry |
f38a2680 | 575 | (const char *, bool); |
a359509e ZW |
576 | extern void lang_default_entry |
577 | (const char *); | |
f53154de | 578 | extern void lang_add_target |
1579bae1 | 579 | (const char *); |
252b5132 | 580 | extern void lang_add_wild |
f38a2680 | 581 | (struct wildcard_spec *, struct wildcard_list *, bool); |
f53154de | 582 | extern void lang_add_map |
1579bae1 | 583 | (const char *); |
f53154de | 584 | extern void lang_add_fill |
1579bae1 AM |
585 | (fill_type *); |
586 | extern lang_assignment_statement_type *lang_add_assignment | |
587 | (union etree_union *); | |
f53154de | 588 | extern void lang_add_attribute |
1579bae1 | 589 | (enum statement_enum); |
f53154de | 590 | extern void lang_startup |
1579bae1 | 591 | (const char *); |
f53154de | 592 | extern void lang_float |
f38a2680 | 593 | (bool); |
252b5132 | 594 | extern void lang_leave_output_section_statement |
6bdafbeb | 595 | (fill_type *, const char *, lang_output_section_phdr_list *, |
1579bae1 | 596 | const char *); |
252b5132 | 597 | extern void lang_for_each_input_file |
1579bae1 | 598 | (void (*dothis) (lang_input_statement_type *)); |
252b5132 | 599 | extern void lang_for_each_file |
1579bae1 | 600 | (void (*dothis) (lang_input_statement_type *)); |
f53154de | 601 | extern void lang_reset_memory_regions |
1579bae1 | 602 | (void); |
f2241121 | 603 | extern void lang_do_assignments |
2f65ac72 | 604 | (lang_phase_type); |
d2667025 AM |
605 | extern asection *section_for_dot |
606 | (void); | |
252b5132 | 607 | |
f53154de AM |
608 | #define LANG_FOR_EACH_INPUT_STATEMENT(statement) \ |
609 | lang_input_statement_type *statement; \ | |
b72636de | 610 | for (statement = (lang_input_statement_type *) file_chain.head; \ |
1fa4ec6a | 611 | statement != NULL; \ |
36983a93 | 612 | statement = statement->next) |
5cc18311 | 613 | |
66c103b7 | 614 | #define lang_output_section_find(NAME) \ |
21401fc7 | 615 | lang_output_section_statement_lookup (NAME, 0, 0) |
66c103b7 | 616 | |
f53154de | 617 | extern void lang_process |
1579bae1 | 618 | (void); |
f53154de | 619 | extern void ldlang_add_file |
1579bae1 | 620 | (lang_input_statement_type *); |
afd7a018 | 621 | extern lang_output_section_statement_type *lang_output_section_find_by_flags |
93638471 | 622 | (const asection *, flagword, lang_output_section_statement_type **, |
390fbbf1 | 623 | lang_match_sec_type_func); |
afd7a018 | 624 | extern lang_output_section_statement_type *lang_insert_orphan |
8a99a385 | 625 | (asection *, const char *, int, lang_output_section_statement_type *, |
7b986e99 | 626 | struct orphan_save *, etree_type *, lang_statement_list_type *); |
252b5132 | 627 | extern lang_input_statement_type *lang_add_input_file |
1579bae1 | 628 | (const char *, lang_input_file_enum_type, const char *); |
f53154de | 629 | extern void lang_add_keepsyms_file |
1579bae1 | 630 | (const char *); |
24ef1aa7 GM |
631 | extern lang_output_section_statement_type *lang_output_section_get |
632 | (const asection *); | |
66c103b7 | 633 | extern lang_output_section_statement_type *lang_output_section_statement_lookup |
21401fc7 | 634 | (const char *, int, int); |
d127ecce AM |
635 | extern lang_output_section_statement_type *next_matching_output_section_statement |
636 | (lang_output_section_statement_type *, int); | |
f53154de | 637 | extern void ldlang_add_undef |
f38a2680 | 638 | (const char *const, bool); |
0a618243 AB |
639 | extern void ldlang_add_require_defined |
640 | (const char *const); | |
f53154de | 641 | extern void lang_add_output_format |
1579bae1 | 642 | (const char *, const char *, const char *, int); |
f53154de | 643 | extern void lang_list_init |
1579bae1 | 644 | (lang_statement_list_type *); |
bde18da4 AM |
645 | extern void push_stat_ptr |
646 | (lang_statement_list_type *); | |
647 | extern void pop_stat_ptr | |
648 | (void); | |
f53154de | 649 | extern void lang_add_data |
0d79a2a8 US |
650 | (int, union etree_union *); |
651 | extern void lang_add_string | |
a4d5aec7 | 652 | (const char *); |
252b5132 | 653 | extern void lang_add_reloc |
1579bae1 AM |
654 | (bfd_reloc_code_real_type, reloc_howto_type *, asection *, const char *, |
655 | union etree_union *); | |
252b5132 | 656 | extern void lang_for_each_statement |
1579bae1 | 657 | (void (*) (lang_statement_union_type *)); |
8658f989 AM |
658 | extern void lang_for_each_statement_worker |
659 | (void (*) (lang_statement_union_type *), lang_statement_union_type *); | |
1579bae1 AM |
660 | extern void *stat_alloc |
661 | (size_t); | |
8423293d AM |
662 | extern void strip_excluded_output_sections |
663 | (void); | |
18cd5bce AM |
664 | extern void lang_clear_os_map |
665 | (void); | |
f53154de | 666 | extern void dprint_statement |
1579bae1 | 667 | (lang_statement_union_type *, int); |
e9ee469a | 668 | extern void lang_size_sections |
f38a2680 | 669 | (bool *, bool); |
e9ee469a | 670 | extern void one_lang_size_sections_pass |
f38a2680 | 671 | (bool *, bool); |
53d25da6 AM |
672 | extern void lang_add_insert |
673 | (const char *, int); | |
f53154de | 674 | extern void lang_enter_group |
1579bae1 | 675 | (void); |
f53154de | 676 | extern void lang_leave_group |
1579bae1 | 677 | (void); |
39dcfe18 | 678 | extern void lang_add_section |
b209b5a6 | 679 | (lang_statement_list_type *, asection *, struct wildcard_list *, |
b9c361e0 | 680 | struct flag_info *, lang_output_section_statement_type *); |
252b5132 | 681 | extern void lang_new_phdr |
f38a2680 | 682 | (const char *, etree_type *, bool, bool, etree_type *, |
1579bae1 | 683 | etree_type *); |
f53154de | 684 | extern void lang_add_nocrossref |
6bdafbeb | 685 | (lang_nocrossref_type *); |
cdf96953 MF |
686 | extern void lang_add_nocrossref_to |
687 | (lang_nocrossref_type *); | |
f53154de | 688 | extern void lang_enter_overlay |
7e7d5768 | 689 | (etree_type *, etree_type *); |
f53154de | 690 | extern void lang_enter_overlay_section |
1579bae1 | 691 | (const char *); |
252b5132 | 692 | extern void lang_leave_overlay_section |
6bdafbeb | 693 | (fill_type *, lang_output_section_phdr_list *); |
252b5132 | 694 | extern void lang_leave_overlay |
1579bae1 | 695 | (etree_type *, int, fill_type *, const char *, |
6bdafbeb | 696 | lang_output_section_phdr_list *, const char *); |
252b5132 | 697 | |
313e35ee | 698 | extern struct bfd_elf_version_expr *lang_new_vers_pattern |
f38a2680 | 699 | (struct bfd_elf_version_expr *, const char *, const char *, bool); |
252b5132 | 700 | extern struct bfd_elf_version_tree *lang_new_vers_node |
1579bae1 | 701 | (struct bfd_elf_version_expr *, struct bfd_elf_version_expr *); |
252b5132 | 702 | extern struct bfd_elf_version_deps *lang_add_vers_depend |
1579bae1 | 703 | (struct bfd_elf_version_deps *, const char *); |
252b5132 | 704 | extern void lang_register_vers_node |
1579bae1 | 705 | (const char *, struct bfd_elf_version_tree *, struct bfd_elf_version_deps *); |
37a141bf FS |
706 | extern void lang_append_dynamic_list (struct bfd_elf_dynamic_list **, |
707 | struct bfd_elf_version_expr *); | |
55255dae | 708 | extern void lang_append_dynamic_list_cpp_typeinfo (void); |
40b36307 | 709 | extern void lang_append_dynamic_list_cpp_new (void); |
f53154de | 710 | extern void lang_add_unique |
1579bae1 | 711 | (const char *); |
f53154de | 712 | extern const char *lang_get_output_target |
1579bae1 | 713 | (void); |
b58f81ae | 714 | extern void add_excluded_libs (const char *); |
f38a2680 | 715 | extern bool load_symbols |
e9f53129 | 716 | (lang_input_statement_type *, lang_statement_list_type *); |
b58f81ae | 717 | |
1ff6de03 NA |
718 | struct elf_sym_strtab; |
719 | struct elf_strtab_hash; | |
3d16b64e NA |
720 | extern void ldlang_ctf_acquire_strings |
721 | (struct elf_strtab_hash *); | |
722 | extern void ldlang_ctf_new_dynsym | |
723 | (int symidx, struct elf_internal_sym *); | |
1ff6de03 NA |
724 | extern void ldlang_write_ctf_late |
725 | (void); | |
f38a2680 | 726 | extern bool |
2889e75b | 727 | ldlang_override_segment_assignment |
f38a2680 | 728 | (struct bfd_link_info *, bfd *, asection *, asection *, bool); |
2889e75b | 729 | |
01554a74 AM |
730 | extern void |
731 | lang_ld_feature (char *); | |
732 | ||
3604cb1f TG |
733 | extern void |
734 | lang_print_memory_usage (void); | |
735 | ||
4153b6db NC |
736 | extern void |
737 | lang_add_gc_name (const char *); | |
738 | ||
f38a2680 | 739 | extern bool |
2d5783fa | 740 | print_one_symbol (struct bfd_link_hash_entry *, void *); |
3edf7b9f | 741 | |
2d5783fa NC |
742 | extern void lang_add_version_string |
743 | (void); | |
252b5132 | 744 | #endif |