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Commit | Line | Data |
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e20873a7 | 1 | /* Linker command language support. |
26c61946 ILT |
2 | Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 1998 |
3 | Free Software Foundation, Inc. | |
075d7359 | 4 | |
2fa0b342 DHW |
5 | This file is part of GLD, the Gnu Linker. |
6 | ||
7 | GLD is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
26c7ca95 | 9 | the Free Software Foundation; either version 2, or (at your option) |
2fa0b342 DHW |
10 | any later version. |
11 | ||
12 | GLD is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
d22ec3b0 ILT |
18 | along with GLD; see the file COPYING. If not, write to the Free |
19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
2fa0b342 | 21 | |
2fa0b342 | 22 | #include "bfd.h" |
075d7359 | 23 | #include "sysdep.h" |
4c2123b6 | 24 | #include "libiberty.h" |
9f19768a | 25 | #include "obstack.h" |
c477527c | 26 | #include "bfdlink.h" |
2fa0b342 DHW |
27 | |
28 | #include "ld.h" | |
fcf276c4 | 29 | #include "ldmain.h" |
7bc4a0d7 | 30 | #include "ldgram.h" |
2fa0b342 | 31 | #include "ldexp.h" |
fcf276c4 | 32 | #include "ldlang.h" |
8c514453 | 33 | #include "ldemul.h" |
2fa0b342 | 34 | #include "ldlex.h" |
3f8d46e7 | 35 | #include "ldmisc.h" |
c611e285 | 36 | #include "ldctor.h" |
fcf276c4 | 37 | #include "ldfile.h" |
86bc0974 | 38 | #include "fnmatch.h" |
b98bd3db | 39 | |
d22ec3b0 ILT |
40 | #include <ctype.h> |
41 | ||
2fa0b342 | 42 | /* FORWARDS */ |
5af8e9d6 KR |
43 | static lang_statement_union_type *new_statement PARAMS ((enum statement_enum, |
44 | size_t, | |
45 | lang_statement_list_type*)); | |
46 | ||
2fa0b342 | 47 | |
d4c02e29 | 48 | /* LOCALS */ |
bfbdc80f | 49 | static struct obstack stat_obstack; |
075d7359 | 50 | |
0b2f8d2e | 51 | #define obstack_chunk_alloc xmalloc |
bfbdc80f | 52 | #define obstack_chunk_free free |
075d7359 | 53 | static CONST char *startup_file; |
d4c02e29 SC |
54 | static lang_statement_list_type input_file_chain; |
55 | static boolean placed_commons = false; | |
56 | static lang_output_section_statement_type *default_common_section; | |
57 | static boolean map_option_f; | |
58 | static bfd_vma print_dot; | |
59 | static lang_input_statement_type *first_file; | |
60 | static lang_statement_list_type lang_output_section_statement; | |
61 | static CONST char *current_target; | |
62 | static CONST char *output_target; | |
d4c02e29 | 63 | static lang_statement_list_type statement_list; |
061e65f8 | 64 | static struct lang_phdr *lang_phdr_list; |
ffc50032 | 65 | |
9f629407 ILT |
66 | static void lang_for_each_statement_worker |
67 | PARAMS ((void (*func) (lang_statement_union_type *), | |
68 | lang_statement_union_type *s)); | |
69 | static lang_input_statement_type *new_afile | |
70 | PARAMS ((const char *name, lang_input_file_enum_type file_type, | |
193c5f93 | 71 | const char *target, boolean add_to_list)); |
9f629407 | 72 | static void init_os PARAMS ((lang_output_section_statement_type *s)); |
86bc0974 | 73 | static void exp_init_os PARAMS ((etree_type *)); |
23595ba5 | 74 | static void section_already_linked PARAMS ((bfd *, asection *, PTR)); |
86bc0974 | 75 | static boolean wildcardp PARAMS ((const char *)); |
26c7ca95 ILT |
76 | static lang_statement_union_type *wild_sort |
77 | PARAMS ((lang_wild_statement_type *, lang_input_statement_type *, | |
78 | asection *)); | |
9f629407 ILT |
79 | static void wild_section PARAMS ((lang_wild_statement_type *ptr, |
80 | const char *section, | |
81 | lang_input_statement_type *file, | |
82 | lang_output_section_statement_type *output)); | |
193c5f93 | 83 | static lang_input_statement_type *lookup_name PARAMS ((const char *name)); |
6a02a973 ILT |
84 | static void load_symbols PARAMS ((lang_input_statement_type *entry, |
85 | lang_statement_list_type *)); | |
86bc0974 ILT |
86 | static void wild_file PARAMS ((lang_wild_statement_type *, const char *, |
87 | lang_input_statement_type *, | |
88 | lang_output_section_statement_type *)); | |
9f629407 ILT |
89 | static void wild PARAMS ((lang_wild_statement_type *s, |
90 | const char *section, const char *file, | |
91 | const char *target, | |
92 | lang_output_section_statement_type *output)); | |
93 | static bfd *open_output PARAMS ((const char *name)); | |
94 | static void ldlang_open_output PARAMS ((lang_statement_union_type *statement)); | |
309c8153 ILT |
95 | static void open_input_bfds |
96 | PARAMS ((lang_statement_union_type *statement, boolean)); | |
9f629407 ILT |
97 | static void lang_reasonable_defaults PARAMS ((void)); |
98 | static void lang_place_undefineds PARAMS ((void)); | |
9f629407 ILT |
99 | static void map_input_to_output_sections |
100 | PARAMS ((lang_statement_union_type *s, | |
101 | const char *target, | |
102 | lang_output_section_statement_type *output_section_statement)); | |
103 | static void print_output_section_statement | |
104 | PARAMS ((lang_output_section_statement_type *output_section_statement)); | |
105 | static void print_assignment | |
106 | PARAMS ((lang_assignment_statement_type *assignment, | |
107 | lang_output_section_statement_type *output_section)); | |
108 | static void print_input_statement PARAMS ((lang_input_statement_type *statm)); | |
c5a0d31a | 109 | static boolean print_one_symbol PARAMS ((struct bfd_link_hash_entry *, PTR)); |
9f629407 ILT |
110 | static void print_input_section PARAMS ((lang_input_section_type *in)); |
111 | static void print_fill_statement PARAMS ((lang_fill_statement_type *fill)); | |
112 | static void print_data_statement PARAMS ((lang_data_statement_type *data)); | |
0cacbcbe | 113 | static void print_address_statement PARAMS ((lang_address_statement_type *)); |
4fdbafb2 | 114 | static void print_reloc_statement PARAMS ((lang_reloc_statement_type *reloc)); |
9f629407 ILT |
115 | static void print_padding_statement PARAMS ((lang_padding_statement_type *s)); |
116 | static void print_wild_statement | |
117 | PARAMS ((lang_wild_statement_type *w, | |
118 | lang_output_section_statement_type *os)); | |
309c8153 ILT |
119 | static void print_group |
120 | PARAMS ((lang_group_statement_type *, lang_output_section_statement_type *)); | |
9f629407 ILT |
121 | static void print_statement PARAMS ((lang_statement_union_type *s, |
122 | lang_output_section_statement_type *os)); | |
708f7fbc ILT |
123 | static void print_statement_list PARAMS ((lang_statement_union_type *s, |
124 | lang_output_section_statement_type *os)); | |
9f629407 ILT |
125 | static void print_statements PARAMS ((void)); |
126 | static bfd_vma insert_pad PARAMS ((lang_statement_union_type **this_ptr, | |
127 | fill_type fill, unsigned int power, | |
128 | asection *output_section_statement, | |
129 | bfd_vma dot)); | |
130 | static bfd_vma size_input_section | |
131 | PARAMS ((lang_statement_union_type **this_ptr, | |
132 | lang_output_section_statement_type *output_section_statement, | |
c477527c | 133 | fill_type fill, bfd_vma dot, boolean relax)); |
9f629407 | 134 | static void lang_finish PARAMS ((void)); |
d3c324e5 | 135 | static void ignore_bfd_errors PARAMS ((const char *, ...)); |
9f629407 ILT |
136 | static void lang_check PARAMS ((void)); |
137 | static void lang_common PARAMS ((void)); | |
c477527c | 138 | static boolean lang_one_common PARAMS ((struct bfd_link_hash_entry *, PTR)); |
9f629407 ILT |
139 | static void lang_place_orphans PARAMS ((void)); |
140 | static int topower PARAMS ((int)); | |
1d169acc | 141 | static void lang_set_startof PARAMS ((void)); |
9f629407 | 142 | static void reset_memory_regions PARAMS ((void)); |
061e65f8 | 143 | static void lang_record_phdrs PARAMS ((void)); |
71b012a8 RH |
144 | static void lang_gc_wild_section |
145 | PARAMS ((lang_wild_statement_type *, const char *, | |
146 | lang_input_statement_type *)); | |
147 | static void lang_gc_wild_file | |
148 | PARAMS ((lang_wild_statement_type *, const char *, | |
149 | lang_input_statement_type *)); | |
150 | static void lang_gc_wild | |
151 | PARAMS ((lang_wild_statement_type *, const char *, const char *)); | |
152 | static void lang_gc_sections_1 PARAMS ((lang_statement_union_type *)); | |
153 | static void lang_gc_sections PARAMS ((void)); | |
154 | ||
9f629407 | 155 | |
2fa0b342 | 156 | /* EXPORTS */ |
ffc50032 | 157 | lang_output_section_statement_type *abs_output_section; |
d4c02e29 | 158 | lang_statement_list_type *stat_ptr = &statement_list; |
a4d2a48e | 159 | lang_statement_list_type file_chain = { 0 }; |
061e65f8 | 160 | const char *entry_symbol = NULL; |
f054ce20 | 161 | boolean entry_from_cmdline; |
d4c02e29 | 162 | boolean lang_has_input_file = false; |
d4c02e29 SC |
163 | boolean had_output_filename = false; |
164 | boolean lang_float_flag = false; | |
97fbbaca | 165 | boolean delete_output_file_on_failure = false; |
582dd77f | 166 | struct lang_nocrossrefs *nocrossref_list; |
075d7359 | 167 | |
9fce28ed SC |
168 | etree_type *base; /* Relocation base - or null */ |
169 | ||
170 | ||
b897ed67 | 171 | #if defined(__STDC__) || defined(ALMOST_STDC) |
2fa0b342 DHW |
172 | #define cat(a,b) a##b |
173 | #else | |
174 | #define cat(a,b) a/**/b | |
175 | #endif | |
176 | ||
177 | #define new_stat(x,y) (cat(x,_type)*) new_statement(cat(x,_enum), sizeof(cat(x,_type)),y) | |
178 | ||
179 | #define outside_section_address(q) ( (q)->output_offset + (q)->output_section->vma) | |
180 | ||
181 | #define outside_symbol_address(q) ((q)->value + outside_section_address(q->section)) | |
182 | ||
0cacbcbe ILT |
183 | #define SECTION_NAME_MAP_LENGTH (16) |
184 | ||
bfbdc80f | 185 | PTR |
8ddef552 DM |
186 | stat_alloc (size) |
187 | size_t size; | |
bfbdc80f | 188 | { |
075d7359 | 189 | return obstack_alloc (&stat_obstack, size); |
bfbdc80f | 190 | } |
9f629407 | 191 | |
1418c83b SC |
192 | /*---------------------------------------------------------------------- |
193 | lang_for_each_statement walks the parse tree and calls the provided | |
194 | function for each node | |
195 | */ | |
196 | ||
075d7359 | 197 | static void |
8ddef552 | 198 | lang_for_each_statement_worker (func, s) |
c477527c | 199 | void (*func) PARAMS ((lang_statement_union_type *)); |
8ddef552 | 200 | lang_statement_union_type *s; |
1418c83b | 201 | { |
075d7359 SC |
202 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
203 | { | |
204 | func (s); | |
1418c83b | 205 | |
075d7359 SC |
206 | switch (s->header.type) |
207 | { | |
81016051 | 208 | case lang_constructors_statement_enum: |
075d7359 | 209 | lang_for_each_statement_worker (func, constructor_list.head); |
81016051 | 210 | break; |
1418c83b SC |
211 | case lang_output_section_statement_enum: |
212 | lang_for_each_statement_worker | |
075d7359 | 213 | (func, |
1418c83b SC |
214 | s->output_section_statement.children.head); |
215 | break; | |
216 | case lang_wild_statement_enum: | |
217 | lang_for_each_statement_worker | |
075d7359 | 218 | (func, |
1418c83b SC |
219 | s->wild_statement.children.head); |
220 | break; | |
309c8153 ILT |
221 | case lang_group_statement_enum: |
222 | lang_for_each_statement_worker (func, | |
223 | s->group_statement.children.head); | |
224 | break; | |
1418c83b | 225 | case lang_data_statement_enum: |
4fdbafb2 | 226 | case lang_reloc_statement_enum: |
1418c83b SC |
227 | case lang_object_symbols_statement_enum: |
228 | case lang_output_statement_enum: | |
229 | case lang_target_statement_enum: | |
230 | case lang_input_section_enum: | |
231 | case lang_input_statement_enum: | |
1418c83b SC |
232 | case lang_assignment_statement_enum: |
233 | case lang_padding_statement_enum: | |
234 | case lang_address_statement_enum: | |
0cacbcbe | 235 | case lang_fill_statement_enum: |
1418c83b SC |
236 | break; |
237 | default: | |
075d7359 | 238 | FAIL (); |
1418c83b SC |
239 | break; |
240 | } | |
075d7359 | 241 | } |
1418c83b SC |
242 | } |
243 | ||
244 | void | |
8ddef552 | 245 | lang_for_each_statement (func) |
c477527c | 246 | void (*func) PARAMS ((lang_statement_union_type *)); |
1418c83b | 247 | { |
075d7359 SC |
248 | lang_for_each_statement_worker (func, |
249 | statement_list.head); | |
1418c83b | 250 | } |
075d7359 | 251 | |
1418c83b | 252 | /*----------------------------------------------------------------------*/ |
075d7359 | 253 | void |
8ddef552 DM |
254 | lang_list_init (list) |
255 | lang_statement_list_type *list; | |
2fa0b342 | 256 | { |
075d7359 SC |
257 | list->head = (lang_statement_union_type *) NULL; |
258 | list->tail = &list->head; | |
2fa0b342 DHW |
259 | } |
260 | ||
1418c83b | 261 | /*---------------------------------------------------------------------- |
075d7359 | 262 | |
1418c83b SC |
263 | build a new statement node for the parse tree |
264 | ||
265 | */ | |
2fa0b342 DHW |
266 | |
267 | static | |
075d7359 | 268 | lang_statement_union_type * |
8ddef552 DM |
269 | new_statement (type, size, list) |
270 | enum statement_enum type; | |
5af8e9d6 | 271 | size_t size; |
8ddef552 | 272 | lang_statement_list_type * list; |
2fa0b342 DHW |
273 | { |
274 | lang_statement_union_type *new = (lang_statement_union_type *) | |
075d7359 SC |
275 | stat_alloc (size); |
276 | ||
2fa0b342 | 277 | new->header.type = type; |
075d7359 SC |
278 | new->header.next = (lang_statement_union_type *) NULL; |
279 | lang_statement_append (list, new, &new->header.next); | |
2fa0b342 DHW |
280 | return new; |
281 | } | |
282 | ||
1418c83b SC |
283 | /* |
284 | Build a new input file node for the language. There are several ways | |
285 | in which we treat an input file, eg, we only look at symbols, or | |
286 | prefix it with a -l etc. | |
287 | ||
288 | We can be supplied with requests for input files more than once; | |
289 | they may, for example be split over serveral lines like foo.o(.text) | |
290 | foo.o(.data) etc, so when asked for a file we check that we havn't | |
291 | got it already so we don't duplicate the bfd. | |
292 | ||
293 | */ | |
2fa0b342 | 294 | static lang_input_statement_type * |
193c5f93 | 295 | new_afile (name, file_type, target, add_to_list) |
9f629407 ILT |
296 | CONST char *name; |
297 | lang_input_file_enum_type file_type; | |
298 | CONST char *target; | |
193c5f93 | 299 | boolean add_to_list; |
2fa0b342 | 300 | { |
193c5f93 | 301 | lang_input_statement_type *p; |
dc4726c2 | 302 | |
193c5f93 ILT |
303 | if (add_to_list) |
304 | p = new_stat (lang_input_statement, stat_ptr); | |
305 | else | |
306 | { | |
307 | p = ((lang_input_statement_type *) | |
308 | stat_alloc (sizeof (lang_input_statement_type))); | |
309 | p->header.next = NULL; | |
310 | } | |
075d7359 | 311 | |
2fa0b342 DHW |
312 | lang_has_input_file = true; |
313 | p->target = target; | |
075d7359 SC |
314 | switch (file_type) |
315 | { | |
316 | case lang_input_file_is_symbols_only_enum: | |
317 | p->filename = name; | |
318 | p->is_archive = false; | |
319 | p->real = true; | |
320 | p->local_sym_name = name; | |
321 | p->just_syms_flag = true; | |
322 | p->search_dirs_flag = false; | |
323 | break; | |
324 | case lang_input_file_is_fake_enum: | |
325 | p->filename = name; | |
326 | p->is_archive = false; | |
327 | p->real = false; | |
328 | p->local_sym_name = name; | |
329 | p->just_syms_flag = false; | |
330 | p->search_dirs_flag = false; | |
331 | break; | |
332 | case lang_input_file_is_l_enum: | |
333 | p->is_archive = true; | |
334 | p->filename = name; | |
335 | p->real = true; | |
ef76742f | 336 | p->local_sym_name = concat ("-l", name, (const char *) NULL); |
075d7359 SC |
337 | p->just_syms_flag = false; |
338 | p->search_dirs_flag = true; | |
339 | break; | |
075d7359 | 340 | case lang_input_file_is_marker_enum: |
193c5f93 ILT |
341 | p->filename = name; |
342 | p->is_archive = false; | |
343 | p->real = false; | |
344 | p->local_sym_name = name; | |
345 | p->just_syms_flag = false; | |
346 | p->search_dirs_flag = true; | |
347 | break; | |
348 | case lang_input_file_is_search_file_enum: | |
075d7359 SC |
349 | p->filename = name; |
350 | p->is_archive = false; | |
351 | p->real = true; | |
352 | p->local_sym_name = name; | |
353 | p->just_syms_flag = false; | |
354 | p->search_dirs_flag = true; | |
355 | break; | |
356 | case lang_input_file_is_file_enum: | |
357 | p->filename = name; | |
358 | p->is_archive = false; | |
359 | p->real = true; | |
360 | p->local_sym_name = name; | |
361 | p->just_syms_flag = false; | |
362 | p->search_dirs_flag = false; | |
363 | break; | |
364 | default: | |
365 | FAIL (); | |
366 | } | |
193c5f93 | 367 | p->the_bfd = (bfd *) NULL; |
075d7359 | 368 | p->asymbols = (asymbol **) NULL; |
075d7359 SC |
369 | p->next_real_file = (lang_statement_union_type *) NULL; |
370 | p->next = (lang_statement_union_type *) NULL; | |
2fa0b342 | 371 | p->symbol_count = 0; |
1d169acc | 372 | p->dynamic = config.dynamic_link; |
3c8deccc | 373 | p->whole_archive = whole_archive; |
5e6cd559 | 374 | p->loaded = false; |
075d7359 SC |
375 | lang_statement_append (&input_file_chain, |
376 | (lang_statement_union_type *) p, | |
377 | &p->next_real_file); | |
2fa0b342 DHW |
378 | return p; |
379 | } | |
380 | ||
381 | lang_input_statement_type * | |
8ddef552 DM |
382 | lang_add_input_file (name, file_type, target) |
383 | CONST char *name; | |
384 | lang_input_file_enum_type file_type; | |
385 | CONST char *target; | |
2fa0b342 | 386 | { |
1418c83b | 387 | lang_has_input_file = true; |
193c5f93 | 388 | return new_afile (name, file_type, target, true); |
2fa0b342 DHW |
389 | } |
390 | ||
1418c83b | 391 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 392 | void |
8ddef552 | 393 | lang_init () |
2fa0b342 | 394 | { |
075d7359 | 395 | obstack_begin (&stat_obstack, 1000); |
2fa0b342 | 396 | |
075d7359 | 397 | stat_ptr = &statement_list; |
bfbdc80f | 398 | |
075d7359 | 399 | lang_list_init (stat_ptr); |
2fa0b342 | 400 | |
075d7359 SC |
401 | lang_list_init (&input_file_chain); |
402 | lang_list_init (&lang_output_section_statement); | |
403 | lang_list_init (&file_chain); | |
404 | first_file = lang_add_input_file ((char *) NULL, | |
405 | lang_input_file_is_marker_enum, | |
406 | (char *) NULL); | |
407 | abs_output_section = lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 408 | |
686739e2 | 409 | abs_output_section->bfd_section = bfd_abs_section_ptr; |
9d1fe8a4 | 410 | |
2fa0b342 DHW |
411 | } |
412 | ||
1418c83b | 413 | /*---------------------------------------------------------------------- |
075d7359 SC |
414 | A region is an area of memory declared with the |
415 | MEMORY { name:org=exp, len=exp ... } | |
416 | syntax. | |
2fa0b342 | 417 | |
1418c83b | 418 | We maintain a list of all the regions here |
2fa0b342 | 419 | |
1418c83b SC |
420 | If no regions are specified in the script, then the default is used |
421 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
422 | */ |
423 | ||
424 | static lang_memory_region_type *lang_memory_region_list; | |
425 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
426 | ||
427 | lang_memory_region_type * | |
8ddef552 DM |
428 | lang_memory_region_lookup (name) |
429 | CONST char *CONST name; | |
2fa0b342 | 430 | { |
b038ec7b | 431 | lang_memory_region_type *p; |
075d7359 | 432 | |
1418c83b | 433 | for (p = lang_memory_region_list; |
075d7359 SC |
434 | p != (lang_memory_region_type *) NULL; |
435 | p = p->next) | |
436 | { | |
437 | if (strcmp (p->name, name) == 0) | |
438 | { | |
439 | return p; | |
440 | } | |
2fa0b342 | 441 | } |
36ea6198 ILT |
442 | |
443 | #if 0 | |
444 | /* This code used to always use the first region in the list as the | |
445 | default region. I changed it to instead use a region | |
446 | encompassing all of memory as the default region. This permits | |
447 | NOLOAD sections to work reasonably without requiring a region. | |
448 | People should specify what region they mean, if they really want | |
449 | a region. */ | |
075d7359 | 450 | if (strcmp (name, "*default*") == 0) |
2fa0b342 | 451 | { |
075d7359 SC |
452 | if (lang_memory_region_list != (lang_memory_region_type *) NULL) |
453 | { | |
454 | return lang_memory_region_list; | |
455 | } | |
2fa0b342 | 456 | } |
36ea6198 ILT |
457 | #endif |
458 | ||
075d7359 SC |
459 | { |
460 | lang_memory_region_type *new = | |
1d169acc | 461 | (lang_memory_region_type *) stat_alloc (sizeof (lang_memory_region_type)); |
075d7359 SC |
462 | |
463 | new->name = buystring (name); | |
464 | new->next = (lang_memory_region_type *) NULL; | |
465 | ||
466 | *lang_memory_region_list_tail = new; | |
467 | lang_memory_region_list_tail = &new->next; | |
468 | new->origin = 0; | |
d3c324e5 MM |
469 | new->flags = 0; |
470 | new->not_flags = 0; | |
8ddef552 | 471 | new->length = ~(bfd_size_type)0; |
075d7359 SC |
472 | new->current = 0; |
473 | new->had_full_message = false; | |
474 | ||
475 | return new; | |
476 | } | |
2fa0b342 DHW |
477 | } |
478 | ||
479 | ||
d3c324e5 MM |
480 | lang_memory_region_type * |
481 | lang_memory_default (section) | |
482 | asection *section; | |
483 | { | |
484 | lang_memory_region_type *p; | |
485 | ||
486 | flagword sec_flags = section->flags; | |
487 | ||
488 | /* Override SEC_DATA to mean a writable section. */ | |
26c61946 | 489 | if ((sec_flags & (SEC_ALLOC | SEC_READONLY | SEC_CODE)) == SEC_ALLOC) |
d3c324e5 MM |
490 | sec_flags |= SEC_DATA; |
491 | ||
492 | for (p = lang_memory_region_list; | |
493 | p != (lang_memory_region_type *) NULL; | |
494 | p = p->next) | |
495 | { | |
496 | if ((p->flags & sec_flags) != 0 | |
497 | && (p->not_flags & sec_flags) == 0) | |
498 | { | |
499 | return p; | |
500 | } | |
501 | } | |
502 | return lang_memory_region_lookup ("*default*"); | |
503 | } | |
504 | ||
2fa0b342 | 505 | lang_output_section_statement_type * |
8ddef552 DM |
506 | lang_output_section_find (name) |
507 | CONST char *CONST name; | |
2fa0b342 DHW |
508 | { |
509 | lang_statement_union_type *u; | |
510 | lang_output_section_statement_type *lookup; | |
511 | ||
512 | for (u = lang_output_section_statement.head; | |
075d7359 | 513 | u != (lang_statement_union_type *) NULL; |
2fa0b342 | 514 | u = lookup->next) |
075d7359 SC |
515 | { |
516 | lookup = &u->output_section_statement; | |
517 | if (strcmp (name, lookup->name) == 0) | |
518 | { | |
1418c83b SC |
519 | return lookup; |
520 | } | |
075d7359 SC |
521 | } |
522 | return (lang_output_section_statement_type *) NULL; | |
2fa0b342 DHW |
523 | } |
524 | ||
525 | lang_output_section_statement_type * | |
8ddef552 DM |
526 | lang_output_section_statement_lookup (name) |
527 | CONST char *CONST name; | |
2fa0b342 DHW |
528 | { |
529 | lang_output_section_statement_type *lookup; | |
2fa0b342 | 530 | |
075d7359 SC |
531 | lookup = lang_output_section_find (name); |
532 | if (lookup == (lang_output_section_statement_type *) NULL) | |
533 | { | |
2fa0b342 | 534 | |
075d7359 SC |
535 | lookup = (lang_output_section_statement_type *) |
536 | new_stat (lang_output_section_statement, stat_ptr); | |
537 | lookup->region = (lang_memory_region_type *) NULL; | |
538 | lookup->fill = 0; | |
539 | lookup->block_value = 1; | |
540 | lookup->name = name; | |
541 | ||
542 | lookup->next = (lang_statement_union_type *) NULL; | |
543 | lookup->bfd_section = (asection *) NULL; | |
544 | lookup->processed = false; | |
86bc0974 | 545 | lookup->sectype = normal_section; |
075d7359 SC |
546 | lookup->addr_tree = (etree_type *) NULL; |
547 | lang_list_init (&lookup->children); | |
548 | ||
1b8a42f3 ILT |
549 | lookup->memspec = (CONST char *) NULL; |
550 | lookup->flags = 0; | |
551 | lookup->subsection_alignment = -1; | |
552 | lookup->section_alignment = -1; | |
553 | lookup->load_base = (union etree_union *) NULL; | |
061e65f8 | 554 | lookup->phdrs = NULL; |
1b8a42f3 | 555 | |
075d7359 SC |
556 | lang_statement_append (&lang_output_section_statement, |
557 | (lang_statement_union_type *) lookup, | |
558 | &lookup->next); | |
559 | } | |
560 | return lookup; | |
561 | } | |
2fa0b342 | 562 | |
d3c324e5 MM |
563 | static void |
564 | lang_map_flags (flag) | |
565 | flagword flag; | |
566 | { | |
567 | if (flag & SEC_ALLOC) | |
568 | minfo ("a"); | |
569 | ||
570 | if (flag & SEC_CODE) | |
571 | minfo ("x"); | |
572 | ||
573 | if (flag & SEC_READONLY) | |
574 | minfo ("r"); | |
575 | ||
576 | if (flag & SEC_DATA) | |
577 | minfo ("w"); | |
578 | ||
579 | if (flag & SEC_LOAD) | |
580 | minfo ("l"); | |
581 | } | |
582 | ||
2fa0b342 | 583 | void |
8ddef552 | 584 | lang_map () |
2fa0b342 DHW |
585 | { |
586 | lang_memory_region_type *m; | |
075d7359 | 587 | |
26c7ca95 | 588 | minfo (_("\nMemory Configuration\n\n")); |
d3c324e5 | 589 | fprintf (config.map_file, "%-16s %-18s %-18s %s\n", |
26c7ca95 | 590 | _("Name"), _("Origin"), _("Length"), _("Attributes")); |
ae475b39 | 591 | |
2fa0b342 | 592 | for (m = lang_memory_region_list; |
075d7359 SC |
593 | m != (lang_memory_region_type *) NULL; |
594 | m = m->next) | |
2fa0b342 | 595 | { |
0cacbcbe ILT |
596 | char buf[100]; |
597 | int len; | |
598 | ||
599 | fprintf (config.map_file, "%-16s ", m->name); | |
600 | ||
601 | sprintf_vma (buf, m->origin); | |
602 | minfo ("0x%s ", buf); | |
603 | len = strlen (buf); | |
604 | while (len < 16) | |
605 | { | |
606 | print_space (); | |
607 | ++len; | |
608 | } | |
609 | ||
d3c324e5 MM |
610 | minfo ("0x%V", m->length); |
611 | if (m->flags || m->not_flags) | |
612 | { | |
613 | #ifndef BFD64 | |
614 | minfo (" "); | |
615 | #endif | |
616 | if (m->flags) | |
617 | { | |
618 | print_space (); | |
619 | lang_map_flags (m->flags); | |
620 | } | |
621 | ||
622 | if (m->not_flags) | |
623 | { | |
624 | minfo (" !"); | |
625 | lang_map_flags (m->not_flags); | |
626 | } | |
627 | } | |
628 | ||
629 | print_nl (); | |
2fa0b342 | 630 | } |
2fa0b342 | 631 | |
26c7ca95 | 632 | fprintf (config.map_file, _("\nLinker script and memory map\n\n")); |
2fa0b342 | 633 | |
0cacbcbe | 634 | print_statements (); |
2fa0b342 DHW |
635 | } |
636 | ||
86bc0974 ILT |
637 | /* Initialize an output section. */ |
638 | ||
075d7359 | 639 | static void |
8ddef552 | 640 | init_os (s) |
86bc0974 | 641 | lang_output_section_statement_type *s; |
2fa0b342 | 642 | { |
cf2e4f5f ILT |
643 | section_userdata_type *new; |
644 | ||
86bc0974 ILT |
645 | if (s->bfd_section != NULL) |
646 | return; | |
647 | ||
cf2e4f5f | 648 | if (strcmp (s->name, DISCARD_SECTION_NAME) == 0) |
26c7ca95 | 649 | einfo (_("%P%F: Illegal use of `%s' section"), DISCARD_SECTION_NAME); |
cf2e4f5f ILT |
650 | |
651 | new = ((section_userdata_type *) | |
652 | stat_alloc (sizeof (section_userdata_type))); | |
075d7359 SC |
653 | |
654 | s->bfd_section = bfd_get_section_by_name (output_bfd, s->name); | |
655 | if (s->bfd_section == (asection *) NULL) | |
656 | s->bfd_section = bfd_make_section (output_bfd, s->name); | |
657 | if (s->bfd_section == (asection *) NULL) | |
658 | { | |
26c7ca95 | 659 | einfo (_("%P%F: output format %s cannot represent section called %s\n"), |
075d7359 | 660 | output_bfd->xvec->name, s->name); |
9d1fe8a4 | 661 | } |
2fa0b342 | 662 | s->bfd_section->output_section = s->bfd_section; |
7bc4a0d7 | 663 | |
2fa0b342 DHW |
664 | /* We initialize an output sections output offset to minus its own */ |
665 | /* vma to allow us to output a section through itself */ | |
666 | s->bfd_section->output_offset = 0; | |
075d7359 | 667 | get_userdata (s->bfd_section) = (PTR) new; |
86bc0974 ILT |
668 | |
669 | /* If there is a base address, make sure that any sections it might | |
670 | mention are initialized. */ | |
671 | if (s->addr_tree != NULL) | |
672 | exp_init_os (s->addr_tree); | |
673 | } | |
674 | ||
675 | /* Make sure that all output sections mentioned in an expression are | |
676 | initialized. */ | |
677 | ||
678 | static void | |
679 | exp_init_os (exp) | |
680 | etree_type *exp; | |
681 | { | |
682 | switch (exp->type.node_class) | |
683 | { | |
684 | case etree_assign: | |
685 | exp_init_os (exp->assign.src); | |
686 | break; | |
687 | ||
688 | case etree_binary: | |
689 | exp_init_os (exp->binary.lhs); | |
690 | exp_init_os (exp->binary.rhs); | |
691 | break; | |
692 | ||
693 | case etree_trinary: | |
694 | exp_init_os (exp->trinary.cond); | |
695 | exp_init_os (exp->trinary.lhs); | |
696 | exp_init_os (exp->trinary.rhs); | |
697 | break; | |
698 | ||
699 | case etree_unary: | |
700 | exp_init_os (exp->unary.child); | |
701 | break; | |
702 | ||
703 | case etree_name: | |
704 | switch (exp->type.node_code) | |
705 | { | |
706 | case ADDR: | |
5735ac9e | 707 | case LOADADDR: |
86bc0974 ILT |
708 | case SIZEOF: |
709 | { | |
710 | lang_output_section_statement_type *os; | |
711 | ||
712 | os = lang_output_section_find (exp->name.name); | |
713 | if (os != NULL && os->bfd_section == NULL) | |
714 | init_os (os); | |
715 | } | |
716 | } | |
717 | break; | |
718 | ||
719 | default: | |
720 | break; | |
721 | } | |
2fa0b342 | 722 | } |
23595ba5 ILT |
723 | |
724 | /* Sections marked with the SEC_LINK_ONCE flag should only be linked | |
725 | once into the output. This routine checks each sections, and | |
726 | arranges to discard it if a section of the same name has already | |
727 | been linked. This code assumes that all relevant sections have the | |
728 | SEC_LINK_ONCE flag set; that is, it does not depend solely upon the | |
729 | section name. This is called via bfd_map_over_sections. */ | |
730 | ||
731 | /*ARGSUSED*/ | |
732 | static void | |
c5a0d31a | 733 | section_already_linked (abfd, sec, data) |
23595ba5 ILT |
734 | bfd *abfd; |
735 | asection *sec; | |
c5a0d31a | 736 | PTR data; |
23595ba5 | 737 | { |
c5a0d31a | 738 | lang_input_statement_type *entry = (lang_input_statement_type *) data; |
23595ba5 ILT |
739 | struct sec_link_once |
740 | { | |
741 | struct sec_link_once *next; | |
742 | asection *sec; | |
743 | }; | |
744 | static struct sec_link_once *sec_link_once_list; | |
745 | flagword flags; | |
746 | const char *name; | |
747 | struct sec_link_once *l; | |
748 | ||
c5a0d31a ILT |
749 | /* If we are only reading symbols from this object, then we want to |
750 | discard all sections. */ | |
751 | if (entry->just_syms_flag) | |
752 | { | |
753 | sec->output_section = bfd_abs_section_ptr; | |
754 | sec->output_offset = sec->vma; | |
755 | return; | |
756 | } | |
757 | ||
23595ba5 ILT |
758 | flags = bfd_get_section_flags (abfd, sec); |
759 | ||
760 | if ((flags & SEC_LINK_ONCE) == 0) | |
761 | return; | |
762 | ||
763 | name = bfd_get_section_name (abfd, sec); | |
764 | ||
765 | for (l = sec_link_once_list; l != NULL; l = l->next) | |
766 | { | |
767 | if (strcmp (name, bfd_get_section_name (l->sec->owner, l->sec)) == 0) | |
768 | { | |
769 | /* The section has already been linked. See if we should | |
770 | issue a warning. */ | |
771 | switch (flags & SEC_LINK_DUPLICATES) | |
772 | { | |
773 | default: | |
774 | abort (); | |
775 | ||
776 | case SEC_LINK_DUPLICATES_DISCARD: | |
777 | break; | |
778 | ||
779 | case SEC_LINK_DUPLICATES_ONE_ONLY: | |
26c7ca95 | 780 | einfo (_("%P: %B: warning: ignoring duplicate section `%s'\n"), |
23595ba5 ILT |
781 | abfd, name); |
782 | break; | |
783 | ||
784 | case SEC_LINK_DUPLICATES_SAME_CONTENTS: | |
785 | /* FIXME: We should really dig out the contents of both | |
786 | sections and memcmp them. The COFF/PE spec says that | |
787 | the Microsoft linker does not implement this | |
788 | correctly, so I'm not going to bother doing it | |
789 | either. */ | |
790 | /* Fall through. */ | |
791 | case SEC_LINK_DUPLICATES_SAME_SIZE: | |
792 | if (bfd_section_size (abfd, sec) | |
793 | != bfd_section_size (l->sec->owner, l->sec)) | |
26c7ca95 | 794 | einfo (_("%P: %B: warning: duplicate section `%s' has different size\n"), |
0a0d1bdd | 795 | abfd, name); |
23595ba5 ILT |
796 | break; |
797 | } | |
798 | ||
799 | /* Set the output_section field so that wild_doit does not | |
800 | create a lang_input_section structure for this section. */ | |
801 | sec->output_section = bfd_abs_section_ptr; | |
802 | ||
803 | return; | |
804 | } | |
805 | } | |
806 | ||
807 | /* This is the first section with this name. Record it. */ | |
808 | ||
809 | l = (struct sec_link_once *) xmalloc (sizeof *l); | |
810 | l->sec = sec; | |
811 | l->next = sec_link_once_list; | |
812 | sec_link_once_list = l; | |
813 | } | |
64664e69 ILT |
814 | \f |
815 | /* The wild routines. | |
2fa0b342 | 816 | |
64664e69 ILT |
817 | These expand statements like *(.text) and foo.o to a list of |
818 | explicit actions, like foo.o(.text), bar.o(.text) and | |
819 | foo.o(.text, .data). */ | |
1418c83b | 820 | |
9f19768a ILT |
821 | /* Return true if the PATTERN argument is a wildcard pattern. |
822 | Although backslashes are treated specially if a pattern contains | |
823 | wildcards, we do not consider the mere presence of a backslash to | |
824 | be enough to cause the the pattern to be treated as a wildcard. | |
825 | That lets us handle DOS filenames more naturally. */ | |
86bc0974 ILT |
826 | |
827 | static boolean | |
828 | wildcardp (pattern) | |
829 | const char *pattern; | |
830 | { | |
831 | const char *s; | |
832 | ||
833 | for (s = pattern; *s != '\0'; ++s) | |
834 | if (*s == '?' | |
86bc0974 ILT |
835 | || *s == '*' |
836 | || *s == '[') | |
837 | return true; | |
838 | return false; | |
839 | } | |
840 | ||
64664e69 ILT |
841 | /* Add SECTION to the output section OUTPUT. Do this by creating a |
842 | lang_input_section statement which is placed at PTR. FILE is the | |
843 | input file which holds SECTION. */ | |
075d7359 | 844 | |
0b3499f6 | 845 | void |
8ddef552 | 846 | wild_doit (ptr, section, output, file) |
64664e69 ILT |
847 | lang_statement_list_type *ptr; |
848 | asection *section; | |
849 | lang_output_section_statement_type *output; | |
850 | lang_input_statement_type *file; | |
2fa0b342 | 851 | { |
6429ad7e | 852 | flagword flags; |
23595ba5 ILT |
853 | boolean discard; |
854 | ||
6429ad7e ILT |
855 | flags = bfd_get_section_flags (section->owner, section); |
856 | ||
23595ba5 ILT |
857 | discard = false; |
858 | ||
859 | /* If we are doing a final link, discard sections marked with | |
860 | SEC_EXCLUDE. */ | |
861 | if (! link_info.relocateable | |
6429ad7e | 862 | && (flags & SEC_EXCLUDE) != 0) |
23595ba5 ILT |
863 | discard = true; |
864 | ||
865 | /* Discard input sections which are assigned to a section named | |
866 | DISCARD_SECTION_NAME. */ | |
cf2e4f5f | 867 | if (strcmp (output->name, DISCARD_SECTION_NAME) == 0) |
23595ba5 ILT |
868 | discard = true; |
869 | ||
6429ad7e ILT |
870 | /* Discard debugging sections if we are stripping debugging |
871 | information. */ | |
872 | if ((link_info.strip == strip_debugger || link_info.strip == strip_all) | |
873 | && (flags & SEC_DEBUGGING) != 0) | |
874 | discard = true; | |
875 | ||
23595ba5 | 876 | if (discard) |
cf2e4f5f | 877 | { |
23595ba5 | 878 | if (section->output_section == NULL) |
cf2e4f5f ILT |
879 | { |
880 | /* This prevents future calls from assigning this section. */ | |
881 | section->output_section = bfd_abs_section_ptr; | |
882 | } | |
883 | return; | |
884 | } | |
885 | ||
23595ba5 | 886 | if (section->output_section == NULL) |
ae475b39 | 887 | { |
b038ec7b | 888 | boolean first; |
23595ba5 | 889 | lang_input_section_type *new; |
b038ec7b | 890 | flagword flags; |
23595ba5 ILT |
891 | |
892 | if (output->bfd_section == NULL) | |
b038ec7b RH |
893 | { |
894 | init_os (output); | |
895 | first = true; | |
896 | } | |
897 | else | |
898 | first = false; | |
23595ba5 | 899 | |
64664e69 | 900 | /* Add a section reference to the list */ |
23595ba5 | 901 | new = new_stat (lang_input_section, ptr); |
64664e69 ILT |
902 | |
903 | new->section = section; | |
904 | new->ifile = file; | |
905 | section->output_section = output->bfd_section; | |
906 | ||
b038ec7b RH |
907 | flags = section->flags; |
908 | ||
64664e69 ILT |
909 | /* We don't copy the SEC_NEVER_LOAD flag from an input section |
910 | to an output section, because we want to be able to include a | |
911 | SEC_NEVER_LOAD section in the middle of an otherwise loaded | |
912 | section (I don't know why we want to do this, but we do). | |
913 | build_link_order in ldwrite.c handles this case by turning | |
b038ec7b RH |
914 | the embedded SEC_NEVER_LOAD section into a fill. */ |
915 | ||
916 | flags &= ~ SEC_NEVER_LOAD; | |
917 | ||
918 | /* If final link, don't copy the SEC_LINK_ONCE flags, they've | |
919 | already been processed. One reason to do this is that on pe | |
920 | format targets, .text$foo sections go into .text and it's odd | |
921 | to see .text with SEC_LINK_ONCE set. */ | |
922 | ||
923 | if (! link_info.relocateable) | |
924 | flags &= ~ (SEC_LINK_ONCE | SEC_LINK_DUPLICATES); | |
925 | ||
926 | /* If this is not the first input section, and the SEC_READONLY | |
927 | flag is not currently set, then don't set it just because the | |
928 | input section has it set. */ | |
929 | ||
930 | if (! first && (section->output_section->flags & SEC_READONLY) == 0) | |
931 | flags &= ~ SEC_READONLY; | |
86bc0974 | 932 | |
b038ec7b | 933 | section->output_section->flags |= flags; |
86bc0974 | 934 | |
b038ec7b RH |
935 | /* If SEC_READONLY is not set in the input section, then clear |
936 | it from the output section. */ | |
937 | if ((section->flags & SEC_READONLY) == 0) | |
938 | section->output_section->flags &= ~SEC_READONLY; | |
64664e69 | 939 | |
86bc0974 | 940 | switch (output->sectype) |
64664e69 | 941 | { |
86bc0974 ILT |
942 | case normal_section: |
943 | break; | |
944 | case dsect_section: | |
945 | case copy_section: | |
946 | case info_section: | |
947 | case overlay_section: | |
948 | output->bfd_section->flags &= ~SEC_ALLOC; | |
949 | break; | |
950 | case noload_section: | |
b038ec7b | 951 | output->bfd_section->flags &= ~SEC_LOAD; |
64664e69 | 952 | output->bfd_section->flags |= SEC_NEVER_LOAD; |
86bc0974 | 953 | break; |
64664e69 ILT |
954 | } |
955 | ||
956 | if (section->alignment_power > output->bfd_section->alignment_power) | |
957 | output->bfd_section->alignment_power = section->alignment_power; | |
958 | ||
cf2e4f5f | 959 | /* If supplied an aligment, then force it. */ |
64664e69 ILT |
960 | if (output->section_alignment != -1) |
961 | output->bfd_section->alignment_power = output->section_alignment; | |
e20873a7 | 962 | } |
2fa0b342 DHW |
963 | } |
964 | ||
26c7ca95 ILT |
965 | /* Handle wildcard sorting. This returns the lang_input_section which |
966 | should follow the one we are going to create for SECTION and FILE, | |
967 | based on the sorting requirements of WILD. It returns NULL if the | |
968 | new section should just go at the end of the current list. */ | |
969 | ||
970 | static lang_statement_union_type * | |
971 | wild_sort (wild, file, section) | |
972 | lang_wild_statement_type *wild; | |
973 | lang_input_statement_type *file; | |
974 | asection *section; | |
975 | { | |
976 | const char *section_name; | |
977 | lang_statement_union_type *l; | |
978 | ||
979 | if (! wild->filenames_sorted && ! wild->sections_sorted) | |
980 | return NULL; | |
981 | ||
982 | section_name = bfd_get_section_name (file->the_bfd, section); | |
983 | for (l = wild->children.head; l != NULL; l = l->next) | |
984 | { | |
985 | lang_input_section_type *ls; | |
986 | ||
987 | if (l->header.type != lang_input_section_enum) | |
988 | continue; | |
989 | ls = &l->input_section; | |
990 | ||
991 | /* Sorting by filename takes precedence over sorting by section | |
992 | name. */ | |
993 | ||
994 | if (wild->filenames_sorted) | |
995 | { | |
6ccce8e8 ILT |
996 | const char *fn, *ln; |
997 | boolean fa, la; | |
26c7ca95 ILT |
998 | int i; |
999 | ||
6ccce8e8 ILT |
1000 | /* The PE support for the .idata section as generated by |
1001 | dlltool assumes that files will be sorted by the name of | |
1002 | the archive and then the name of the file within the | |
1003 | archive. */ | |
1004 | ||
1005 | if (file->the_bfd != NULL | |
1006 | && bfd_my_archive (file->the_bfd) != NULL) | |
1007 | { | |
1008 | fn = bfd_get_filename (bfd_my_archive (file->the_bfd)); | |
1009 | fa = true; | |
1010 | } | |
1011 | else | |
1012 | { | |
1013 | fn = file->filename; | |
1014 | fa = false; | |
1015 | } | |
1016 | ||
1017 | if (ls->ifile->the_bfd != NULL | |
1018 | && bfd_my_archive (ls->ifile->the_bfd) != NULL) | |
1019 | { | |
1020 | ln = bfd_get_filename (bfd_my_archive (ls->ifile->the_bfd)); | |
1021 | la = true; | |
1022 | } | |
1023 | else | |
1024 | { | |
1025 | ln = ls->ifile->filename; | |
1026 | la = false; | |
1027 | } | |
1028 | ||
1029 | i = strcmp (fn, ln); | |
d2256aeb | 1030 | if (i > 0) |
26c7ca95 | 1031 | continue; |
d2256aeb | 1032 | else if (i < 0) |
26c7ca95 | 1033 | break; |
6ccce8e8 ILT |
1034 | |
1035 | if (fa || la) | |
1036 | { | |
1037 | if (fa) | |
1038 | fn = file->filename; | |
1039 | if (la) | |
1040 | ln = ls->ifile->filename; | |
1041 | ||
1042 | i = strcmp (fn, ln); | |
1043 | if (i > 0) | |
1044 | continue; | |
1045 | else if (i < 0) | |
1046 | break; | |
1047 | } | |
26c7ca95 ILT |
1048 | } |
1049 | ||
1050 | /* Here either the files are not sorted by name, or we are | |
1051 | looking at the sections for this file. */ | |
1052 | ||
1053 | if (wild->sections_sorted) | |
1054 | { | |
1055 | if (strcmp (section_name, | |
1056 | bfd_get_section_name (ls->ifile->the_bfd, | |
1057 | ls->section)) | |
d2256aeb | 1058 | < 0) |
26c7ca95 ILT |
1059 | break; |
1060 | } | |
1061 | } | |
1062 | ||
1063 | return l; | |
1064 | } | |
1065 | ||
64664e69 ILT |
1066 | /* Expand a wild statement for a particular FILE. SECTION may be |
1067 | NULL, in which case it is a wild card. */ | |
1068 | ||
075d7359 | 1069 | static void |
8ddef552 | 1070 | wild_section (ptr, section, file, output) |
309c8153 ILT |
1071 | lang_wild_statement_type *ptr; |
1072 | const char *section; | |
1073 | lang_input_statement_type *file; | |
1074 | lang_output_section_statement_type *output; | |
2fa0b342 | 1075 | { |
075d7359 SC |
1076 | if (file->just_syms_flag == false) |
1077 | { | |
309c8153 | 1078 | register asection *s; |
86bc0974 ILT |
1079 | boolean wildcard; |
1080 | ||
1081 | if (section == NULL) | |
1082 | wildcard = false; | |
1083 | else | |
1084 | wildcard = wildcardp (section); | |
309c8153 ILT |
1085 | |
1086 | for (s = file->the_bfd->sections; s != NULL; s = s->next) | |
075d7359 | 1087 | { |
86bc0974 ILT |
1088 | boolean match; |
1089 | ||
309c8153 ILT |
1090 | /* Attach all sections named SECTION. If SECTION is NULL, |
1091 | then attach all sections. | |
1092 | ||
1093 | Previously, if SECTION was NULL, this code did not call | |
1094 | wild_doit if the SEC_IS_COMMON flag was set for the | |
1095 | section. I did not understand that, and I took it out. | |
1096 | --ian@cygnus.com. */ | |
1097 | ||
86bc0974 ILT |
1098 | if (section == NULL) |
1099 | match = true; | |
1100 | else | |
1101 | { | |
1102 | const char *name; | |
1103 | ||
1104 | name = bfd_get_section_name (file->the_bfd, s); | |
1105 | if (wildcard) | |
1106 | match = fnmatch (section, name, 0) == 0 ? true : false; | |
1107 | else | |
1108 | match = strcmp (section, name) == 0 ? true : false; | |
1109 | } | |
26c7ca95 | 1110 | |
86bc0974 | 1111 | if (match) |
26c7ca95 ILT |
1112 | { |
1113 | lang_statement_union_type *before; | |
1114 | ||
71b012a8 RH |
1115 | /* If the wild pattern was marked KEEP, the member sections |
1116 | should be as well. */ | |
1117 | if (ptr->keep_sections) | |
1118 | s->flags |= SEC_KEEP; | |
1119 | ||
26c7ca95 ILT |
1120 | before = wild_sort (ptr, file, s); |
1121 | ||
1122 | /* Here BEFORE points to the lang_input_section which | |
1123 | should follow the one we are about to add. If BEFORE | |
1124 | is NULL, then the section should just go at the end | |
1125 | of the current list. */ | |
1126 | ||
1127 | if (before == NULL) | |
1128 | wild_doit (&ptr->children, s, output, file); | |
1129 | else | |
1130 | { | |
1131 | lang_statement_list_type list; | |
1132 | lang_statement_union_type **pp; | |
1133 | ||
1134 | lang_list_init (&list); | |
1135 | wild_doit (&list, s, output, file); | |
1136 | ASSERT (list.head != NULL && list.head->next == NULL); | |
1137 | ||
1138 | for (pp = &ptr->children.head; | |
1139 | *pp != before; | |
1140 | pp = &(*pp)->next) | |
1141 | ASSERT (*pp != NULL); | |
1142 | ||
1143 | list.head->next = *pp; | |
1144 | *pp = list.head; | |
1145 | } | |
1146 | } | |
075d7359 | 1147 | } |
2fa0b342 | 1148 | } |
2fa0b342 DHW |
1149 | } |
1150 | ||
64664e69 ILT |
1151 | /* This is passed a file name which must have been seen already and |
1152 | added to the statement tree. We will see if it has been opened | |
1153 | already and had its symbols read. If not then we'll read it. */ | |
2fa0b342 | 1154 | |
193c5f93 ILT |
1155 | static lang_input_statement_type * |
1156 | lookup_name (name) | |
64664e69 | 1157 | const char *name; |
2fa0b342 DHW |
1158 | { |
1159 | lang_input_statement_type *search; | |
075d7359 SC |
1160 | |
1161 | for (search = (lang_input_statement_type *) input_file_chain.head; | |
1162 | search != (lang_input_statement_type *) NULL; | |
1163 | search = (lang_input_statement_type *) search->next_real_file) | |
1164 | { | |
1165 | if (search->filename == (char *) NULL && name == (char *) NULL) | |
c477527c ILT |
1166 | return search; |
1167 | if (search->filename != (char *) NULL | |
1168 | && name != (char *) NULL | |
1169 | && strcmp (search->filename, name) == 0) | |
1170 | break; | |
075d7359 | 1171 | } |
2fa0b342 | 1172 | |
c477527c | 1173 | if (search == (lang_input_statement_type *) NULL) |
193c5f93 ILT |
1174 | search = new_afile (name, lang_input_file_is_file_enum, default_target, |
1175 | false); | |
c477527c | 1176 | |
5e6cd559 ILT |
1177 | /* If we have already added this file, or this file is not real |
1178 | (FIXME: can that ever actually happen?) or the name is NULL | |
1179 | (FIXME: can that ever actually happen?) don't add this file. */ | |
193c5f93 | 1180 | if (search->loaded |
5e6cd559 ILT |
1181 | || ! search->real |
1182 | || search->filename == (const char *) NULL) | |
1183 | return search; | |
1184 | ||
6a02a973 | 1185 | load_symbols (search, (lang_statement_list_type *) NULL); |
193c5f93 ILT |
1186 | |
1187 | return search; | |
1188 | } | |
1189 | ||
1190 | /* Get the symbols for an input file. */ | |
c477527c | 1191 | |
193c5f93 | 1192 | static void |
6a02a973 | 1193 | load_symbols (entry, place) |
193c5f93 | 1194 | lang_input_statement_type *entry; |
6a02a973 | 1195 | lang_statement_list_type *place; |
193c5f93 | 1196 | { |
0b3499f6 ILT |
1197 | char **matching; |
1198 | ||
193c5f93 ILT |
1199 | if (entry->loaded) |
1200 | return; | |
1201 | ||
1202 | ldfile_open_file (entry); | |
1203 | ||
0b3499f6 ILT |
1204 | if (! bfd_check_format (entry->the_bfd, bfd_archive) |
1205 | && ! bfd_check_format_matches (entry->the_bfd, bfd_object, &matching)) | |
1206 | { | |
1207 | bfd_error_type err; | |
6a02a973 | 1208 | lang_statement_list_type *hold; |
0b3499f6 ILT |
1209 | |
1210 | err = bfd_get_error (); | |
1211 | if (err == bfd_error_file_ambiguously_recognized) | |
1212 | { | |
1213 | char **p; | |
1214 | ||
26c7ca95 ILT |
1215 | einfo (_("%B: file not recognized: %E\n"), entry->the_bfd); |
1216 | einfo (_("%B: matching formats:"), entry->the_bfd); | |
0b3499f6 ILT |
1217 | for (p = matching; *p != NULL; p++) |
1218 | einfo (" %s", *p); | |
1219 | einfo ("%F\n"); | |
1220 | } | |
6a02a973 ILT |
1221 | else if (err != bfd_error_file_not_recognized |
1222 | || place == NULL) | |
26c7ca95 | 1223 | einfo (_("%F%B: file not recognized: %E\n"), entry->the_bfd); |
0b3499f6 | 1224 | |
0b3499f6 ILT |
1225 | bfd_close (entry->the_bfd); |
1226 | entry->the_bfd = NULL; | |
1227 | ||
64664e69 ILT |
1228 | /* See if the emulation has some special knowledge. */ |
1229 | ||
1230 | if (ldemul_unrecognized_file (entry)) | |
1231 | return; | |
1232 | ||
1233 | /* Try to interpret the file as a linker script. */ | |
1234 | ||
0b3499f6 ILT |
1235 | ldfile_open_command_file (entry->filename); |
1236 | ||
6a02a973 ILT |
1237 | hold = stat_ptr; |
1238 | stat_ptr = place; | |
1239 | ||
0b3499f6 ILT |
1240 | ldfile_assumed_script = true; |
1241 | parser_input = input_script; | |
1242 | yyparse (); | |
1243 | ldfile_assumed_script = false; | |
1244 | ||
6a02a973 ILT |
1245 | stat_ptr = hold; |
1246 | ||
0b3499f6 ILT |
1247 | return; |
1248 | } | |
1249 | ||
1250 | /* We don't call ldlang_add_file for an archive. Instead, the | |
1251 | add_symbols entry point will call ldlang_add_file, via the | |
1252 | add_archive_element callback, for each element of the archive | |
1253 | which is used. */ | |
f400bbbb | 1254 | switch (bfd_get_format (entry->the_bfd)) |
5e6cd559 | 1255 | { |
f400bbbb ILT |
1256 | default: |
1257 | break; | |
1258 | ||
1259 | case bfd_object: | |
193c5f93 | 1260 | ldlang_add_file (entry); |
5e6cd559 | 1261 | if (trace_files || trace_file_tries) |
193c5f93 | 1262 | info_msg ("%I\n", entry); |
f400bbbb ILT |
1263 | break; |
1264 | ||
1265 | case bfd_archive: | |
3c8deccc | 1266 | if (entry->whole_archive) |
f400bbbb ILT |
1267 | { |
1268 | bfd *member = bfd_openr_next_archived_file (entry->the_bfd, | |
1269 | (bfd *) NULL); | |
1270 | while (member != NULL) | |
1271 | { | |
1272 | if (! bfd_check_format (member, bfd_object)) | |
26c7ca95 | 1273 | einfo (_("%F%B: object %B in archive is not object\n"), |
f400bbbb ILT |
1274 | entry->the_bfd, member); |
1275 | if (! ((*link_info.callbacks->add_archive_element) | |
0cacbcbe | 1276 | (&link_info, member, "--whole-archive"))) |
f400bbbb ILT |
1277 | abort (); |
1278 | if (! bfd_link_add_symbols (member, &link_info)) | |
26c7ca95 | 1279 | einfo (_("%F%B: could not read symbols: %E\n"), member); |
f400bbbb ILT |
1280 | member = bfd_openr_next_archived_file (entry->the_bfd, |
1281 | member); | |
1282 | } | |
1283 | ||
1284 | entry->loaded = true; | |
1285 | ||
1286 | return; | |
1287 | } | |
5e6cd559 | 1288 | } |
1418c83b | 1289 | |
0b3499f6 | 1290 | if (! bfd_link_add_symbols (entry->the_bfd, &link_info)) |
26c7ca95 | 1291 | einfo (_("%F%B: could not read symbols: %E\n"), entry->the_bfd); |
5e6cd559 | 1292 | |
193c5f93 | 1293 | entry->loaded = true; |
2fa0b342 DHW |
1294 | } |
1295 | ||
86bc0974 ILT |
1296 | /* Handle a wild statement for a single file F. */ |
1297 | ||
1298 | static void | |
1299 | wild_file (s, section, f, output) | |
1300 | lang_wild_statement_type *s; | |
1301 | const char *section; | |
1302 | lang_input_statement_type *f; | |
1303 | lang_output_section_statement_type *output; | |
1304 | { | |
1305 | if (f->the_bfd == NULL | |
1306 | || ! bfd_check_format (f->the_bfd, bfd_archive)) | |
1307 | wild_section (s, section, f, output); | |
1308 | else | |
1309 | { | |
1310 | bfd *member; | |
1311 | ||
1312 | /* This is an archive file. We must map each member of the | |
1313 | archive separately. */ | |
1314 | member = bfd_openr_next_archived_file (f->the_bfd, (bfd *) NULL); | |
1315 | while (member != NULL) | |
1316 | { | |
1317 | /* When lookup_name is called, it will call the add_symbols | |
1318 | entry point for the archive. For each element of the | |
1319 | archive which is included, BFD will call ldlang_add_file, | |
1320 | which will set the usrdata field of the member to the | |
1321 | lang_input_statement. */ | |
1322 | if (member->usrdata != NULL) | |
1323 | { | |
1324 | wild_section (s, section, | |
1325 | (lang_input_statement_type *) member->usrdata, | |
1326 | output); | |
1327 | } | |
1328 | ||
1329 | member = bfd_openr_next_archived_file (f->the_bfd, member); | |
1330 | } | |
1331 | } | |
1332 | } | |
1333 | ||
64664e69 ILT |
1334 | /* Handle a wild statement. SECTION or FILE or both may be NULL, |
1335 | indicating that it is a wildcard. Separate lang_input_section | |
1336 | statements are created for each part of the expansion; they are | |
1337 | added after the wild statement S. OUTPUT is the output section. */ | |
1338 | ||
2fa0b342 | 1339 | static void |
8ddef552 | 1340 | wild (s, section, file, target, output) |
64664e69 ILT |
1341 | lang_wild_statement_type *s; |
1342 | const char *section; | |
1343 | const char *file; | |
1344 | const char *target; | |
1345 | lang_output_section_statement_type *output; | |
2fa0b342 DHW |
1346 | { |
1347 | lang_input_statement_type *f; | |
075d7359 SC |
1348 | |
1349 | if (file == (char *) NULL) | |
1350 | { | |
1351 | /* Perform the iteration over all files in the list */ | |
1352 | for (f = (lang_input_statement_type *) file_chain.head; | |
1353 | f != (lang_input_statement_type *) NULL; | |
1354 | f = (lang_input_statement_type *) f->next) | |
1355 | { | |
86bc0974 ILT |
1356 | wild_file (s, section, f, output); |
1357 | } | |
1358 | } | |
1359 | else if (wildcardp (file)) | |
1360 | { | |
1361 | for (f = (lang_input_statement_type *) file_chain.head; | |
1362 | f != (lang_input_statement_type *) NULL; | |
1363 | f = (lang_input_statement_type *) f->next) | |
1364 | { | |
1365 | if (fnmatch (file, f->filename, FNM_FILE_NAME) == 0) | |
1366 | wild_file (s, section, f, output); | |
075d7359 SC |
1367 | } |
1368 | } | |
1369 | else | |
1370 | { | |
1371 | /* Perform the iteration over a single file */ | |
3d0c8fa1 | 1372 | f = lookup_name (file); |
86bc0974 | 1373 | wild_file (s, section, f, output); |
075d7359 | 1374 | } |
64664e69 | 1375 | |
075d7359 SC |
1376 | if (section != (char *) NULL |
1377 | && strcmp (section, "COMMON") == 0 | |
64664e69 | 1378 | && default_common_section == NULL) |
075d7359 | 1379 | { |
64664e69 ILT |
1380 | /* Remember the section that common is going to in case we later |
1381 | get something which doesn't know where to put it. */ | |
075d7359 | 1382 | default_common_section = output; |
2fa0b342 | 1383 | } |
2fa0b342 DHW |
1384 | } |
1385 | ||
64664e69 | 1386 | /* Open the output file. */ |
97fbbaca | 1387 | |
075d7359 | 1388 | static bfd * |
8ddef552 | 1389 | open_output (name) |
64664e69 | 1390 | const char *name; |
2fa0b342 | 1391 | { |
097879bc | 1392 | bfd *output; |
097879bc | 1393 | |
075d7359 | 1394 | if (output_target == (char *) NULL) |
ae475b39 SC |
1395 | { |
1396 | if (current_target != (char *) NULL) | |
1397 | output_target = current_target; | |
1398 | else | |
1399 | output_target = default_target; | |
1400 | } | |
075d7359 | 1401 | output = bfd_openw (name, output_target); |
075d7359 SC |
1402 | |
1403 | if (output == (bfd *) NULL) | |
1404 | { | |
5bcb7f28 | 1405 | if (bfd_get_error () == bfd_error_invalid_target) |
ae475b39 | 1406 | { |
26c7ca95 | 1407 | einfo (_("%P%F: target %s not found\n"), output_target); |
ae475b39 | 1408 | } |
26c7ca95 | 1409 | einfo (_("%P%F: cannot open output file %s: %E\n"), name); |
075d7359 | 1410 | } |
30d1a390 | 1411 | |
86bc0974 | 1412 | delete_output_file_on_failure = true; |
97fbbaca | 1413 | |
30d1a390 | 1414 | /* output->flags |= D_PAGED;*/ |
075d7359 | 1415 | |
ddddcdf0 | 1416 | if (! bfd_set_format (output, bfd_object)) |
26c7ca95 | 1417 | einfo (_("%P%F:%s: can not make object file: %E\n"), name); |
ddddcdf0 ILT |
1418 | if (! bfd_set_arch_mach (output, |
1419 | ldfile_output_architecture, | |
1420 | ldfile_output_machine)) | |
26c7ca95 | 1421 | einfo (_("%P%F:%s: can not set architecture: %E\n"), name); |
ddddcdf0 | 1422 | |
c477527c ILT |
1423 | link_info.hash = bfd_link_hash_table_create (output); |
1424 | if (link_info.hash == (struct bfd_link_hash_table *) NULL) | |
26c7ca95 | 1425 | einfo (_("%P%F: can not create link hash table: %E\n")); |
c477527c | 1426 | |
1b8a42f3 | 1427 | bfd_set_gp_size (output, g_switch_value); |
2fa0b342 DHW |
1428 | return output; |
1429 | } | |
1418c83b SC |
1430 | |
1431 | ||
097879bc | 1432 | |
1418c83b | 1433 | |
2fa0b342 | 1434 | static void |
8ddef552 DM |
1435 | ldlang_open_output (statement) |
1436 | lang_statement_union_type * statement; | |
2fa0b342 | 1437 | { |
075d7359 SC |
1438 | switch (statement->header.type) |
1439 | { | |
c477527c ILT |
1440 | case lang_output_statement_enum: |
1441 | ASSERT (output_bfd == (bfd *) NULL); | |
075d7359 SC |
1442 | output_bfd = open_output (statement->output_statement.name); |
1443 | ldemul_set_output_arch (); | |
c477527c | 1444 | if (config.magic_demand_paged && !link_info.relocateable) |
075d7359 SC |
1445 | output_bfd->flags |= D_PAGED; |
1446 | else | |
1447 | output_bfd->flags &= ~D_PAGED; | |
1448 | if (config.text_read_only) | |
1449 | output_bfd->flags |= WP_TEXT; | |
1450 | else | |
1451 | output_bfd->flags &= ~WP_TEXT; | |
6799c638 | 1452 | if (link_info.traditional_format) |
c96386c4 ILT |
1453 | output_bfd->flags |= BFD_TRADITIONAL_FORMAT; |
1454 | else | |
1455 | output_bfd->flags &= ~BFD_TRADITIONAL_FORMAT; | |
075d7359 | 1456 | break; |
1418c83b | 1457 | |
075d7359 SC |
1458 | case lang_target_statement_enum: |
1459 | current_target = statement->target_statement.target; | |
1460 | break; | |
1461 | default: | |
1462 | break; | |
1463 | } | |
1418c83b | 1464 | } |
2fa0b342 | 1465 | |
309c8153 ILT |
1466 | /* Open all the input files. */ |
1467 | ||
1418c83b | 1468 | static void |
309c8153 ILT |
1469 | open_input_bfds (s, force) |
1470 | lang_statement_union_type *s; | |
1471 | boolean force; | |
1418c83b | 1472 | { |
309c8153 | 1473 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
075d7359 | 1474 | { |
309c8153 | 1475 | switch (s->header.type) |
075d7359 | 1476 | { |
309c8153 ILT |
1477 | case lang_constructors_statement_enum: |
1478 | open_input_bfds (constructor_list.head, force); | |
1479 | break; | |
1480 | case lang_output_section_statement_enum: | |
1481 | open_input_bfds (s->output_section_statement.children.head, force); | |
1482 | break; | |
1483 | case lang_wild_statement_enum: | |
1484 | /* Maybe we should load the file's symbols */ | |
86bc0974 ILT |
1485 | if (s->wild_statement.filename |
1486 | && ! wildcardp (s->wild_statement.filename)) | |
309c8153 ILT |
1487 | (void) lookup_name (s->wild_statement.filename); |
1488 | open_input_bfds (s->wild_statement.children.head, force); | |
1489 | break; | |
1490 | case lang_group_statement_enum: | |
1491 | { | |
1492 | struct bfd_link_hash_entry *undefs; | |
1493 | ||
1494 | /* We must continually search the entries in the group | |
1495 | until no new symbols are added to the list of undefined | |
1496 | symbols. */ | |
1497 | ||
1498 | do | |
1499 | { | |
1500 | undefs = link_info.hash->undefs_tail; | |
1501 | open_input_bfds (s->group_statement.children.head, true); | |
1502 | } | |
1503 | while (undefs != link_info.hash->undefs_tail); | |
1504 | } | |
1505 | break; | |
1506 | case lang_target_statement_enum: | |
1507 | current_target = s->target_statement.target; | |
1508 | break; | |
1509 | case lang_input_statement_enum: | |
1510 | if (s->input_statement.real == true) | |
1511 | { | |
6a02a973 ILT |
1512 | lang_statement_list_type add; |
1513 | ||
309c8153 ILT |
1514 | s->input_statement.target = current_target; |
1515 | ||
1516 | /* If we are being called from within a group, and this | |
1517 | is an archive which has already been searched, then | |
1518 | force it to be researched. */ | |
1519 | if (force | |
1520 | && s->input_statement.loaded | |
1521 | && bfd_check_format (s->input_statement.the_bfd, | |
1522 | bfd_archive)) | |
1523 | s->input_statement.loaded = false; | |
1524 | ||
6a02a973 ILT |
1525 | lang_list_init (&add); |
1526 | ||
1527 | load_symbols (&s->input_statement, &add); | |
1528 | ||
1529 | if (add.head != NULL) | |
1530 | { | |
1531 | *add.tail = s->next; | |
1532 | s->next = add.head; | |
1533 | } | |
309c8153 ILT |
1534 | } |
1535 | break; | |
1536 | default: | |
1537 | break; | |
075d7359 | 1538 | } |
075d7359 | 1539 | } |
2fa0b342 | 1540 | } |
075d7359 | 1541 | |
2fa0b342 DHW |
1542 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
1543 | ||
1544 | static void | |
075d7359 | 1545 | lang_reasonable_defaults () |
2fa0b342 | 1546 | { |
1418c83b | 1547 | #if 0 |
075d7359 SC |
1548 | lang_output_section_statement_lookup (".text"); |
1549 | lang_output_section_statement_lookup (".data"); | |
8cb5eb31 | 1550 | |
075d7359 SC |
1551 | default_common_section = |
1552 | lang_output_section_statement_lookup (".bss"); | |
8cb5eb31 | 1553 | |
1418c83b | 1554 | |
075d7359 SC |
1555 | if (placed_commons == false) |
1556 | { | |
1557 | lang_wild_statement_type *new = | |
1558 | new_stat (lang_wild_statement, | |
1559 | &default_common_section->children); | |
1560 | ||
1561 | new->section_name = "COMMON"; | |
1562 | new->filename = (char *) NULL; | |
1563 | lang_list_init (&new->children); | |
1564 | } | |
1418c83b | 1565 | #endif |
8cb5eb31 | 1566 | |
2fa0b342 DHW |
1567 | } |
1568 | ||
1418c83b SC |
1569 | /* |
1570 | Add the supplied name to the symbol table as an undefined reference. | |
1571 | Remove items from the chain as we open input bfds | |
1572 | */ | |
075d7359 SC |
1573 | typedef struct ldlang_undef_chain_list |
1574 | { | |
f177a611 | 1575 | struct ldlang_undef_chain_list *next; |
1418c83b | 1576 | char *name; |
075d7359 | 1577 | } ldlang_undef_chain_list_type; |
1418c83b SC |
1578 | |
1579 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
1580 | ||
1581 | void | |
8ddef552 DM |
1582 | ldlang_add_undef (name) |
1583 | CONST char *CONST name; | |
2fa0b342 | 1584 | { |
1418c83b | 1585 | ldlang_undef_chain_list_type *new = |
1d169acc ILT |
1586 | ((ldlang_undef_chain_list_type *) |
1587 | stat_alloc (sizeof (ldlang_undef_chain_list_type))); | |
1418c83b SC |
1588 | |
1589 | new->next = ldlang_undef_chain_list_head; | |
1590 | ldlang_undef_chain_list_head = new; | |
1591 | ||
075d7359 | 1592 | new->name = buystring (name); |
1418c83b | 1593 | } |
075d7359 | 1594 | |
1418c83b SC |
1595 | /* Run through the list of undefineds created above and place them |
1596 | into the linker hash table as undefined symbols belonging to the | |
1597 | script file. | |
1598 | */ | |
1599 | static void | |
8ddef552 | 1600 | lang_place_undefineds () |
1418c83b | 1601 | { |
c477527c | 1602 | ldlang_undef_chain_list_type *ptr; |
1418c83b | 1603 | |
c477527c ILT |
1604 | for (ptr = ldlang_undef_chain_list_head; |
1605 | ptr != (ldlang_undef_chain_list_type *) NULL; | |
1606 | ptr = ptr->next) | |
075d7359 | 1607 | { |
c477527c | 1608 | struct bfd_link_hash_entry *h; |
075d7359 | 1609 | |
c477527c ILT |
1610 | h = bfd_link_hash_lookup (link_info.hash, ptr->name, true, false, true); |
1611 | if (h == (struct bfd_link_hash_entry *) NULL) | |
26c7ca95 | 1612 | einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); |
c477527c ILT |
1613 | if (h->type == bfd_link_hash_new) |
1614 | { | |
1615 | h->type = bfd_link_hash_undefined; | |
1616 | h->u.undef.abfd = NULL; | |
1617 | bfd_link_add_undef (link_info.hash, h); | |
1618 | } | |
075d7359 SC |
1619 | } |
1620 | } | |
1418c83b | 1621 | |
2fa0b342 DHW |
1622 | /* Open input files and attatch to output sections */ |
1623 | static void | |
8ddef552 DM |
1624 | map_input_to_output_sections (s, target, output_section_statement) |
1625 | lang_statement_union_type * s; | |
1626 | CONST char *target; | |
1627 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 | 1628 | { |
075d7359 | 1629 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1630 | { |
075d7359 | 1631 | switch (s->header.type) |
2fa0b342 | 1632 | { |
075d7359 SC |
1633 | |
1634 | ||
1635 | case lang_wild_statement_enum: | |
1636 | wild (&s->wild_statement, s->wild_statement.section_name, | |
1637 | s->wild_statement.filename, target, | |
1638 | output_section_statement); | |
1639 | ||
1640 | break; | |
1641 | case lang_constructors_statement_enum: | |
1642 | map_input_to_output_sections (constructor_list.head, | |
1643 | target, | |
1644 | output_section_statement); | |
1645 | break; | |
1646 | case lang_output_section_statement_enum: | |
1647 | map_input_to_output_sections (s->output_section_statement.children.head, | |
1648 | target, | |
1649 | &s->output_section_statement); | |
1650 | break; | |
1651 | case lang_output_statement_enum: | |
1652 | break; | |
1653 | case lang_target_statement_enum: | |
1654 | target = s->target_statement.target; | |
1655 | break; | |
309c8153 ILT |
1656 | case lang_group_statement_enum: |
1657 | map_input_to_output_sections (s->group_statement.children.head, | |
1658 | target, | |
1659 | output_section_statement); | |
1660 | break; | |
075d7359 SC |
1661 | case lang_fill_statement_enum: |
1662 | case lang_input_section_enum: | |
1663 | case lang_object_symbols_statement_enum: | |
1664 | case lang_data_statement_enum: | |
4fdbafb2 | 1665 | case lang_reloc_statement_enum: |
075d7359 | 1666 | case lang_padding_statement_enum: |
f9d3d71a ILT |
1667 | case lang_input_statement_enum: |
1668 | if (output_section_statement != NULL | |
1669 | && output_section_statement->bfd_section == NULL) | |
1670 | init_os (output_section_statement); | |
075d7359 | 1671 | break; |
86bc0974 ILT |
1672 | case lang_assignment_statement_enum: |
1673 | if (output_section_statement != NULL | |
1674 | && output_section_statement->bfd_section == NULL) | |
1675 | init_os (output_section_statement); | |
1676 | ||
1677 | /* Make sure that any sections mentioned in the assignment | |
1678 | are initialized. */ | |
1679 | exp_init_os (s->assignment_statement.exp); | |
1680 | break; | |
075d7359 SC |
1681 | case lang_afile_asection_pair_statement_enum: |
1682 | FAIL (); | |
1683 | break; | |
1684 | case lang_address_statement_enum: | |
1685 | /* Mark the specified section with the supplied address */ | |
1686 | { | |
1687 | lang_output_section_statement_type *os = | |
ef01a8a8 ILT |
1688 | lang_output_section_statement_lookup |
1689 | (s->address_statement.section_name); | |
075d7359 | 1690 | |
ef01a8a8 ILT |
1691 | if (os->bfd_section == NULL) |
1692 | init_os (os); | |
075d7359 | 1693 | os->addr_tree = s->address_statement.address; |
48491e2e | 1694 | } |
075d7359 | 1695 | break; |
2fa0b342 | 1696 | } |
2fa0b342 DHW |
1697 | } |
1698 | } | |
1699 | ||
075d7359 | 1700 | static void |
8ddef552 DM |
1701 | print_output_section_statement (output_section_statement) |
1702 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 DHW |
1703 | { |
1704 | asection *section = output_section_statement->bfd_section; | |
0cacbcbe | 1705 | int len; |
075d7359 | 1706 | |
0cacbcbe ILT |
1707 | if (output_section_statement != abs_output_section) |
1708 | { | |
1709 | minfo ("\n%s", output_section_statement->name); | |
075d7359 | 1710 | |
0cacbcbe ILT |
1711 | if (section != NULL) |
1712 | { | |
1713 | print_dot = section->vma; | |
e20873a7 | 1714 | |
0cacbcbe ILT |
1715 | len = strlen (output_section_statement->name); |
1716 | if (len >= SECTION_NAME_MAP_LENGTH - 1) | |
1717 | { | |
1718 | print_nl (); | |
1719 | len = 0; | |
1720 | } | |
1721 | while (len < SECTION_NAME_MAP_LENGTH) | |
1722 | { | |
1723 | print_space (); | |
1724 | ++len; | |
1725 | } | |
2fa0b342 | 1726 | |
0cacbcbe ILT |
1727 | minfo ("0x%V %W", section->vma, section->_raw_size); |
1728 | ||
1729 | if (output_section_statement->load_base != NULL) | |
1730 | { | |
1731 | bfd_vma addr; | |
1732 | ||
1733 | addr = exp_get_abs_int (output_section_statement->load_base, 0, | |
1734 | "load base", lang_final_phase_enum); | |
26c7ca95 | 1735 | minfo (_(" load address 0x%V"), addr); |
0cacbcbe ILT |
1736 | } |
1737 | } | |
1738 | ||
1739 | print_nl (); | |
e20873a7 | 1740 | } |
0cacbcbe | 1741 | |
708f7fbc ILT |
1742 | print_statement_list (output_section_statement->children.head, |
1743 | output_section_statement); | |
2fa0b342 DHW |
1744 | } |
1745 | ||
075d7359 | 1746 | static void |
8ddef552 DM |
1747 | print_assignment (assignment, output_section) |
1748 | lang_assignment_statement_type * assignment; | |
1749 | lang_output_section_statement_type * output_section; | |
2fa0b342 | 1750 | { |
0cacbcbe | 1751 | int i; |
2fa0b342 | 1752 | etree_value_type result; |
075d7359 | 1753 | |
0cacbcbe ILT |
1754 | for (i = 0; i < SECTION_NAME_MAP_LENGTH; i++) |
1755 | print_space (); | |
075d7359 | 1756 | |
0cacbcbe ILT |
1757 | result = exp_fold_tree (assignment->exp->assign.src, output_section, |
1758 | lang_final_phase_enum, print_dot, &print_dot); | |
075d7359 | 1759 | if (result.valid) |
0cacbcbe | 1760 | minfo ("0x%V", result.value + result.section->bfd_section->vma); |
075d7359 SC |
1761 | else |
1762 | { | |
0cacbcbe ILT |
1763 | minfo ("*undef* "); |
1764 | #ifdef BFD64 | |
1765 | minfo (" "); | |
1766 | #endif | |
075d7359 | 1767 | } |
0cacbcbe ILT |
1768 | |
1769 | minfo (" "); | |
1770 | ||
075d7359 SC |
1771 | exp_print_tree (assignment->exp); |
1772 | ||
0cacbcbe | 1773 | print_nl (); |
2fa0b342 DHW |
1774 | } |
1775 | ||
1776 | static void | |
8ddef552 DM |
1777 | print_input_statement (statm) |
1778 | lang_input_statement_type * statm; | |
2fa0b342 | 1779 | { |
075d7359 SC |
1780 | if (statm->filename != (char *) NULL) |
1781 | { | |
1782 | fprintf (config.map_file, "LOAD %s\n", statm->filename); | |
1783 | } | |
2fa0b342 DHW |
1784 | } |
1785 | ||
0cacbcbe ILT |
1786 | /* Print all symbols defined in a particular section. This is called |
1787 | via bfd_link_hash_traverse. */ | |
804c8601 SC |
1788 | |
1789 | static boolean | |
1790 | print_one_symbol (hash_entry, ptr) | |
0cacbcbe ILT |
1791 | struct bfd_link_hash_entry *hash_entry; |
1792 | PTR ptr; | |
2fa0b342 | 1793 | { |
0cacbcbe | 1794 | asection *sec = (asection *) ptr; |
804c8601 | 1795 | |
0cacbcbe ILT |
1796 | if ((hash_entry->type == bfd_link_hash_defined |
1797 | || hash_entry->type == bfd_link_hash_defweak) | |
1798 | && sec == hash_entry->u.def.section) | |
804c8601 | 1799 | { |
0cacbcbe ILT |
1800 | int i; |
1801 | ||
1802 | for (i = 0; i < SECTION_NAME_MAP_LENGTH; i++) | |
1803 | print_space (); | |
1804 | minfo ("0x%V ", | |
1805 | (hash_entry->u.def.value | |
1806 | + hash_entry->u.def.section->output_offset | |
1807 | + hash_entry->u.def.section->output_section->vma)); | |
1808 | ||
1809 | minfo (" %T\n", hash_entry->root.string); | |
804c8601 | 1810 | } |
09a5aa5e KR |
1811 | |
1812 | return true; | |
2fa0b342 | 1813 | } |
1418c83b | 1814 | |
0cacbcbe ILT |
1815 | /* Print information about an input section to the map file. */ |
1816 | ||
075d7359 | 1817 | static void |
8ddef552 DM |
1818 | print_input_section (in) |
1819 | lang_input_section_type * in; | |
2fa0b342 DHW |
1820 | { |
1821 | asection *i = in->section; | |
f078dc7c | 1822 | bfd_size_type size = i->_cooked_size != 0 ? i->_cooked_size : i->_raw_size; |
1418c83b | 1823 | |
075d7359 SC |
1824 | if (size != 0) |
1825 | { | |
0cacbcbe ILT |
1826 | print_space (); |
1827 | ||
1828 | minfo ("%s", i->name); | |
1829 | ||
1830 | if (i->output_section != NULL) | |
075d7359 | 1831 | { |
0cacbcbe | 1832 | int len; |
2fa0b342 | 1833 | |
0cacbcbe ILT |
1834 | len = 1 + strlen (i->name); |
1835 | if (len >= SECTION_NAME_MAP_LENGTH - 1) | |
1836 | { | |
1837 | print_nl (); | |
1838 | len = 0; | |
1839 | } | |
1840 | while (len < SECTION_NAME_MAP_LENGTH) | |
1841 | { | |
1842 | print_space (); | |
1843 | ++len; | |
1844 | } | |
2fa0b342 | 1845 | |
0cacbcbe ILT |
1846 | minfo ("0x%V %W %B\n", |
1847 | i->output_section->vma + i->output_offset, size, | |
1848 | i->owner); | |
2fa0b342 | 1849 | |
0cacbcbe ILT |
1850 | if (i->_cooked_size != 0 && i->_cooked_size != i->_raw_size) |
1851 | { | |
1852 | len = SECTION_NAME_MAP_LENGTH + 3; | |
1853 | #ifdef BFD64 | |
1854 | len += 16; | |
1855 | #else | |
1856 | len += 8; | |
1857 | #endif | |
1858 | while (len > 0) | |
075d7359 | 1859 | { |
0cacbcbe ILT |
1860 | print_space (); |
1861 | --len; | |
075d7359 | 1862 | } |
2fa0b342 | 1863 | |
26c7ca95 | 1864 | minfo (_("%W (size before relaxing)\n"), i->_raw_size); |
075d7359 SC |
1865 | } |
1866 | ||
0cacbcbe | 1867 | bfd_link_hash_traverse (link_info.hash, print_one_symbol, (PTR) i); |
075d7359 | 1868 | |
0cacbcbe | 1869 | print_dot = i->output_section->vma + i->output_offset + size; |
075d7359 SC |
1870 | } |
1871 | } | |
1872 | } | |
2fa0b342 DHW |
1873 | |
1874 | static void | |
8ddef552 DM |
1875 | print_fill_statement (fill) |
1876 | lang_fill_statement_type * fill; | |
075d7359 | 1877 | { |
0cacbcbe | 1878 | fprintf (config.map_file, " FILL mask 0x%x\n", fill->fill); |
075d7359 SC |
1879 | } |
1880 | ||
1881 | static void | |
8ddef552 DM |
1882 | print_data_statement (data) |
1883 | lang_data_statement_type * data; | |
2fa0b342 | 1884 | { |
0cacbcbe ILT |
1885 | int i; |
1886 | bfd_vma addr; | |
1887 | bfd_size_type size; | |
1888 | const char *name; | |
1889 | ||
1890 | for (i = 0; i < SECTION_NAME_MAP_LENGTH; i++) | |
1891 | print_space (); | |
1892 | ||
1893 | addr = data->output_vma; | |
1894 | if (data->output_section != NULL) | |
1895 | addr += data->output_section->vma; | |
2fa0b342 | 1896 | |
075d7359 SC |
1897 | switch (data->type) |
1898 | { | |
0cacbcbe ILT |
1899 | default: |
1900 | abort (); | |
075d7359 | 1901 | case BYTE: |
0cacbcbe ILT |
1902 | size = BYTE_SIZE; |
1903 | name = "BYTE"; | |
075d7359 SC |
1904 | break; |
1905 | case SHORT: | |
0cacbcbe ILT |
1906 | size = SHORT_SIZE; |
1907 | name = "SHORT"; | |
075d7359 SC |
1908 | break; |
1909 | case LONG: | |
0cacbcbe ILT |
1910 | size = LONG_SIZE; |
1911 | name = "LONG"; | |
075d7359 | 1912 | break; |
c477527c | 1913 | case QUAD: |
0cacbcbe ILT |
1914 | size = QUAD_SIZE; |
1915 | name = "QUAD"; | |
c477527c | 1916 | break; |
9f19768a ILT |
1917 | case SQUAD: |
1918 | size = QUAD_SIZE; | |
1919 | name = "SQUAD"; | |
1920 | break; | |
075d7359 SC |
1921 | } |
1922 | ||
0cacbcbe ILT |
1923 | minfo ("0x%V %W %s 0x%v", addr, size, name, data->value); |
1924 | ||
1925 | if (data->exp->type.node_class != etree_value) | |
1926 | { | |
1927 | print_space (); | |
1928 | exp_print_tree (data->exp); | |
1929 | } | |
1930 | ||
1931 | print_nl (); | |
1932 | ||
1933 | print_dot = addr + size; | |
1934 | } | |
1935 | ||
1936 | /* Print an address statement. These are generated by options like | |
1937 | -Ttext. */ | |
2fa0b342 | 1938 | |
0cacbcbe ILT |
1939 | static void |
1940 | print_address_statement (address) | |
1941 | lang_address_statement_type *address; | |
1942 | { | |
26c7ca95 | 1943 | minfo (_("Address of section %s set to "), address->section_name); |
0cacbcbe ILT |
1944 | exp_print_tree (address->address); |
1945 | print_nl (); | |
2fa0b342 DHW |
1946 | } |
1947 | ||
4fdbafb2 ILT |
1948 | /* Print a reloc statement. */ |
1949 | ||
1950 | static void | |
1951 | print_reloc_statement (reloc) | |
1952 | lang_reloc_statement_type *reloc; | |
1953 | { | |
0cacbcbe ILT |
1954 | int i; |
1955 | bfd_vma addr; | |
1956 | bfd_size_type size; | |
1957 | ||
1958 | for (i = 0; i < SECTION_NAME_MAP_LENGTH; i++) | |
1959 | print_space (); | |
4fdbafb2 | 1960 | |
0cacbcbe ILT |
1961 | addr = reloc->output_vma; |
1962 | if (reloc->output_section != NULL) | |
1963 | addr += reloc->output_section->vma; | |
4fdbafb2 | 1964 | |
0cacbcbe | 1965 | size = bfd_get_reloc_size (reloc->howto); |
4fdbafb2 | 1966 | |
0cacbcbe | 1967 | minfo ("0x%V %W RELOC %s ", addr, size, reloc->howto->name); |
4fdbafb2 | 1968 | |
0cacbcbe ILT |
1969 | if (reloc->name != NULL) |
1970 | minfo ("%s+", reloc->name); | |
1971 | else | |
1972 | minfo ("%s+", reloc->section->name); | |
4fdbafb2 ILT |
1973 | |
1974 | exp_print_tree (reloc->addend_exp); | |
1975 | ||
0cacbcbe ILT |
1976 | print_nl (); |
1977 | ||
1978 | print_dot = addr + size; | |
4fdbafb2 | 1979 | } |
2fa0b342 DHW |
1980 | |
1981 | static void | |
8ddef552 | 1982 | print_padding_statement (s) |
0cacbcbe | 1983 | lang_padding_statement_type *s; |
075d7359 | 1984 | { |
0cacbcbe ILT |
1985 | int len; |
1986 | bfd_vma addr; | |
1987 | ||
1988 | minfo (" *fill*"); | |
1989 | ||
1990 | len = sizeof " *fill*" - 1; | |
1991 | while (len < SECTION_NAME_MAP_LENGTH) | |
1992 | { | |
1993 | print_space (); | |
1994 | ++len; | |
1995 | } | |
1996 | ||
1997 | addr = s->output_offset; | |
1998 | if (s->output_section != NULL) | |
1999 | addr += s->output_section->vma; | |
2000 | minfo ("0x%V %W", addr, s->size); | |
2001 | ||
2002 | if (s->fill != 0) | |
86bc0974 | 2003 | minfo (" %u", s->fill); |
0cacbcbe | 2004 | |
075d7359 | 2005 | print_nl (); |
ffc50032 | 2006 | |
0cacbcbe | 2007 | print_dot = addr + s->size; |
2fa0b342 DHW |
2008 | } |
2009 | ||
075d7359 | 2010 | static void |
8ddef552 DM |
2011 | print_wild_statement (w, os) |
2012 | lang_wild_statement_type * w; | |
2013 | lang_output_section_statement_type * os; | |
2fa0b342 | 2014 | { |
0cacbcbe ILT |
2015 | print_space (); |
2016 | ||
26c7ca95 ILT |
2017 | if (w->filenames_sorted) |
2018 | minfo ("SORT("); | |
0cacbcbe ILT |
2019 | if (w->filename != NULL) |
2020 | minfo ("%s", w->filename); | |
075d7359 | 2021 | else |
0cacbcbe | 2022 | minfo ("*"); |
26c7ca95 ILT |
2023 | if (w->filenames_sorted) |
2024 | minfo (")"); | |
0cacbcbe | 2025 | |
26c7ca95 ILT |
2026 | minfo ("("); |
2027 | if (w->sections_sorted) | |
2028 | minfo ("SORT("); | |
0cacbcbe | 2029 | if (w->section_name != NULL) |
26c7ca95 | 2030 | minfo ("%s", w->section_name); |
075d7359 | 2031 | else |
26c7ca95 ILT |
2032 | minfo ("*"); |
2033 | if (w->sections_sorted) | |
2034 | minfo (")"); | |
2035 | minfo (")"); | |
0cacbcbe | 2036 | |
075d7359 | 2037 | print_nl (); |
2fa0b342 | 2038 | |
0cacbcbe | 2039 | print_statement_list (w->children.head, os); |
2fa0b342 | 2040 | } |
309c8153 ILT |
2041 | |
2042 | /* Print a group statement. */ | |
2043 | ||
2044 | static void | |
2045 | print_group (s, os) | |
2046 | lang_group_statement_type *s; | |
2047 | lang_output_section_statement_type *os; | |
2048 | { | |
2049 | fprintf (config.map_file, "START GROUP\n"); | |
708f7fbc | 2050 | print_statement_list (s->children.head, os); |
309c8153 ILT |
2051 | fprintf (config.map_file, "END GROUP\n"); |
2052 | } | |
2053 | ||
708f7fbc ILT |
2054 | /* Print the list of statements in S. |
2055 | This can be called for any statement type. */ | |
2056 | ||
2fa0b342 | 2057 | static void |
708f7fbc | 2058 | print_statement_list (s, os) |
0cacbcbe ILT |
2059 | lang_statement_union_type *s; |
2060 | lang_output_section_statement_type *os; | |
2fa0b342 | 2061 | { |
0cacbcbe | 2062 | while (s != NULL) |
c611e285 | 2063 | { |
708f7fbc | 2064 | print_statement (s, os); |
075d7359 | 2065 | s = s->next; |
2fa0b342 | 2066 | } |
2fa0b342 DHW |
2067 | } |
2068 | ||
708f7fbc ILT |
2069 | /* Print the first statement in statement list S. |
2070 | This can be called for any statement type. */ | |
2071 | ||
2072 | static void | |
2073 | print_statement (s, os) | |
0cacbcbe ILT |
2074 | lang_statement_union_type *s; |
2075 | lang_output_section_statement_type *os; | |
708f7fbc ILT |
2076 | { |
2077 | switch (s->header.type) | |
2078 | { | |
0cacbcbe | 2079 | default: |
26c7ca95 | 2080 | fprintf (config.map_file, _("Fail with %d\n"), s->header.type); |
0cacbcbe ILT |
2081 | FAIL (); |
2082 | break; | |
708f7fbc | 2083 | case lang_constructors_statement_enum: |
0cacbcbe ILT |
2084 | if (constructor_list.head != NULL) |
2085 | { | |
2086 | minfo (" CONSTRUCTORS\n"); | |
2087 | print_statement_list (constructor_list.head, os); | |
2088 | } | |
708f7fbc ILT |
2089 | break; |
2090 | case lang_wild_statement_enum: | |
2091 | print_wild_statement (&s->wild_statement, os); | |
2092 | break; | |
708f7fbc | 2093 | case lang_address_statement_enum: |
0cacbcbe | 2094 | print_address_statement (&s->address_statement); |
708f7fbc ILT |
2095 | break; |
2096 | case lang_object_symbols_statement_enum: | |
0cacbcbe | 2097 | minfo (" CREATE_OBJECT_SYMBOLS\n"); |
708f7fbc ILT |
2098 | break; |
2099 | case lang_fill_statement_enum: | |
2100 | print_fill_statement (&s->fill_statement); | |
2101 | break; | |
2102 | case lang_data_statement_enum: | |
2103 | print_data_statement (&s->data_statement); | |
2104 | break; | |
2105 | case lang_reloc_statement_enum: | |
2106 | print_reloc_statement (&s->reloc_statement); | |
2107 | break; | |
2108 | case lang_input_section_enum: | |
2109 | print_input_section (&s->input_section); | |
2110 | break; | |
2111 | case lang_padding_statement_enum: | |
2112 | print_padding_statement (&s->padding_statement); | |
2113 | break; | |
2114 | case lang_output_section_statement_enum: | |
2115 | print_output_section_statement (&s->output_section_statement); | |
2116 | break; | |
2117 | case lang_assignment_statement_enum: | |
0cacbcbe | 2118 | print_assignment (&s->assignment_statement, os); |
708f7fbc ILT |
2119 | break; |
2120 | case lang_target_statement_enum: | |
2121 | fprintf (config.map_file, "TARGET(%s)\n", s->target_statement.target); | |
2122 | break; | |
2123 | case lang_output_statement_enum: | |
0cacbcbe ILT |
2124 | minfo ("OUTPUT(%s", s->output_statement.name); |
2125 | if (output_target != NULL) | |
2126 | minfo (" %s", output_target); | |
2127 | minfo (")\n"); | |
708f7fbc ILT |
2128 | break; |
2129 | case lang_input_statement_enum: | |
2130 | print_input_statement (&s->input_statement); | |
2131 | break; | |
2132 | case lang_group_statement_enum: | |
2133 | print_group (&s->group_statement, os); | |
2134 | break; | |
2135 | case lang_afile_asection_pair_statement_enum: | |
2136 | FAIL (); | |
2137 | break; | |
2138 | } | |
2139 | } | |
2140 | ||
2fa0b342 | 2141 | static void |
8ddef552 | 2142 | print_statements () |
2fa0b342 | 2143 | { |
0cacbcbe | 2144 | print_statement_list (statement_list.head, abs_output_section); |
2fa0b342 DHW |
2145 | } |
2146 | ||
708f7fbc ILT |
2147 | /* Print the first N statements in statement list S to STDERR. |
2148 | If N == 0, nothing is printed. | |
2149 | If N < 0, the entire list is printed. | |
2150 | Intended to be called from GDB. */ | |
2151 | ||
2152 | void | |
2153 | dprint_statement (s, n) | |
2154 | lang_statement_union_type * s; | |
2155 | int n; | |
2156 | { | |
2157 | FILE *map_save = config.map_file; | |
2158 | ||
2159 | config.map_file = stderr; | |
2160 | ||
2161 | if (n < 0) | |
2162 | print_statement_list (s, abs_output_section); | |
2163 | else | |
2164 | { | |
86bc0974 | 2165 | while (s && --n >= 0) |
708f7fbc ILT |
2166 | { |
2167 | print_statement (s, abs_output_section); | |
2168 | s = s->next; | |
2169 | } | |
2170 | } | |
2171 | ||
2172 | config.map_file = map_save; | |
2173 | } | |
2174 | ||
2fa0b342 | 2175 | static bfd_vma |
9f629407 ILT |
2176 | insert_pad (this_ptr, fill, power, output_section_statement, dot) |
2177 | lang_statement_union_type ** this_ptr; | |
2178 | fill_type fill; | |
2179 | unsigned int power; | |
2180 | asection * output_section_statement; | |
2181 | bfd_vma dot; | |
075d7359 SC |
2182 | { |
2183 | /* Align this section first to the | |
2fa0b342 DHW |
2184 | input sections requirement, then |
2185 | to the output section's requirement. | |
075d7359 | 2186 | If this alignment is > than any seen before, |
2fa0b342 DHW |
2187 | then record it too. Perform the alignment by |
2188 | inserting a magic 'padding' statement. | |
2189 | */ | |
2190 | ||
075d7359 | 2191 | unsigned int alignment_needed = align_power (dot, power) - dot; |
2fa0b342 | 2192 | |
075d7359 | 2193 | if (alignment_needed != 0) |
2fa0b342 | 2194 | { |
075d7359 | 2195 | lang_statement_union_type *new = |
1d169acc ILT |
2196 | ((lang_statement_union_type *) |
2197 | stat_alloc (sizeof (lang_padding_statement_type))); | |
075d7359 | 2198 | |
2fa0b342 DHW |
2199 | /* Link into existing chain */ |
2200 | new->header.next = *this_ptr; | |
2201 | *this_ptr = new; | |
2202 | new->header.type = lang_padding_statement_enum; | |
2203 | new->padding_statement.output_section = output_section_statement; | |
2204 | new->padding_statement.output_offset = | |
2205 | dot - output_section_statement->vma; | |
2206 | new->padding_statement.fill = fill; | |
2207 | new->padding_statement.size = alignment_needed; | |
2208 | } | |
2209 | ||
2210 | ||
2211 | /* Remember the most restrictive alignment */ | |
075d7359 SC |
2212 | if (power > output_section_statement->alignment_power) |
2213 | { | |
2214 | output_section_statement->alignment_power = power; | |
2215 | } | |
c611e285 | 2216 | output_section_statement->_raw_size += alignment_needed; |
2fa0b342 DHW |
2217 | return alignment_needed + dot; |
2218 | ||
2219 | } | |
2220 | ||
1418c83b | 2221 | /* Work out how much this section will move the dot point */ |
075d7359 | 2222 | static bfd_vma |
9f629407 ILT |
2223 | size_input_section (this_ptr, output_section_statement, fill, dot, relax) |
2224 | lang_statement_union_type ** this_ptr; | |
2225 | lang_output_section_statement_type * output_section_statement; | |
c477527c | 2226 | fill_type fill; |
9f629407 ILT |
2227 | bfd_vma dot; |
2228 | boolean relax; | |
2fa0b342 DHW |
2229 | { |
2230 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
2231 | asection *i = is->section; | |
2fa0b342 | 2232 | |
075d7359 SC |
2233 | if (is->ifile->just_syms_flag == false) |
2234 | { | |
e20873a7 JG |
2235 | if (output_section_statement->subsection_alignment != -1) |
2236 | i->alignment_power = | |
2237 | output_section_statement->subsection_alignment; | |
2238 | ||
075d7359 SC |
2239 | dot = insert_pad (this_ptr, fill, i->alignment_power, |
2240 | output_section_statement->bfd_section, dot); | |
2241 | ||
075d7359 | 2242 | /* Remember where in the output section this input section goes */ |
ac004870 | 2243 | |
075d7359 SC |
2244 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
2245 | ||
ae475b39 SC |
2246 | /* Mark how big the output section must be to contain this now |
2247 | */ | |
f078dc7c ILT |
2248 | if (i->_cooked_size != 0) |
2249 | dot += i->_cooked_size; | |
ae475b39 | 2250 | else |
f078dc7c | 2251 | dot += i->_raw_size; |
ae475b39 | 2252 | output_section_statement->bfd_section->_raw_size = dot - output_section_statement->bfd_section->vma; |
075d7359 | 2253 | } |
ac004870 | 2254 | else |
075d7359 SC |
2255 | { |
2256 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
2257 | } | |
2fa0b342 | 2258 | |
075d7359 | 2259 | return dot; |
2fa0b342 DHW |
2260 | } |
2261 | ||
193c5f93 ILT |
2262 | /* This variable indicates whether bfd_relax_section should be called |
2263 | again. */ | |
2264 | ||
2265 | static boolean relax_again; | |
2266 | ||
2267 | /* Set the sizes for all the output sections. */ | |
c611e285 | 2268 | |
a62494c4 | 2269 | bfd_vma |
9f629407 ILT |
2270 | lang_size_sections (s, output_section_statement, prev, fill, dot, relax) |
2271 | lang_statement_union_type * s; | |
2272 | lang_output_section_statement_type * output_section_statement; | |
2273 | lang_statement_union_type ** prev; | |
c477527c | 2274 | fill_type fill; |
9f629407 ILT |
2275 | bfd_vma dot; |
2276 | boolean relax; | |
c611e285 SC |
2277 | { |
2278 | /* Size up the sections from their constituent parts */ | |
075d7359 | 2279 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
ae475b39 SC |
2280 | { |
2281 | switch (s->header.type) | |
075d7359 | 2282 | { |
c611e285 | 2283 | |
ae475b39 SC |
2284 | case lang_output_section_statement_enum: |
2285 | { | |
2286 | bfd_vma after; | |
2287 | lang_output_section_statement_type *os = &s->output_section_statement; | |
2288 | ||
f9d3d71a ILT |
2289 | if (os->bfd_section == NULL) |
2290 | { | |
2291 | /* This section was never actually created. */ | |
2292 | break; | |
2293 | } | |
2294 | ||
27f7237e ILT |
2295 | /* If this is a COFF shared library section, use the size and |
2296 | address from the input section. FIXME: This is COFF | |
2297 | specific; it would be cleaner if there were some other way | |
2298 | to do this, but nothing simple comes to mind. */ | |
2299 | if ((os->bfd_section->flags & SEC_COFF_SHARED_LIBRARY) != 0) | |
2300 | { | |
2301 | asection *input; | |
2302 | ||
2303 | if (os->children.head == NULL | |
2304 | || os->children.head->next != NULL | |
2305 | || os->children.head->header.type != lang_input_section_enum) | |
26c7ca95 | 2306 | einfo (_("%P%X: Internal error on COFF shared library section %s\n"), |
27f7237e ILT |
2307 | os->name); |
2308 | ||
2309 | input = os->children.head->input_section.section; | |
2310 | bfd_set_section_vma (os->bfd_section->owner, | |
2311 | os->bfd_section, | |
2312 | bfd_section_vma (input->owner, input)); | |
2313 | os->bfd_section->_raw_size = input->_raw_size; | |
2314 | break; | |
2315 | } | |
e9b63852 | 2316 | |
686739e2 | 2317 | if (bfd_is_abs_section (os->bfd_section)) |
ae475b39 SC |
2318 | { |
2319 | /* No matter what happens, an abs section starts at zero */ | |
686739e2 | 2320 | ASSERT (os->bfd_section->vma == 0); |
ae475b39 SC |
2321 | } |
2322 | else | |
2323 | { | |
2324 | if (os->addr_tree == (etree_type *) NULL) | |
2325 | { | |
2326 | /* No address specified for this section, get one | |
2327 | from the region specification | |
2328 | */ | |
26c61946 ILT |
2329 | if (os->region == (lang_memory_region_type *) NULL |
2330 | || (((bfd_get_section_flags (output_bfd, os->bfd_section) | |
2331 | & (SEC_ALLOC | SEC_LOAD)) != 0) | |
2332 | && os->region->name[0] == '*' | |
2333 | && strcmp (os->region->name, "*default*") == 0)) | |
ae475b39 | 2334 | { |
d3c324e5 | 2335 | os->region = lang_memory_default (os->bfd_section); |
ae475b39 | 2336 | } |
26c61946 ILT |
2337 | |
2338 | /* If a loadable section is using the default memory | |
2339 | region, and some non default memory regions were | |
2340 | defined, issue a warning. */ | |
2341 | if ((bfd_get_section_flags (output_bfd, os->bfd_section) | |
2342 | & (SEC_ALLOC | SEC_LOAD)) != 0 | |
2343 | && ! link_info.relocateable | |
2344 | && strcmp (os->region->name, "*default*") == 0 | |
2345 | && lang_memory_region_list != NULL | |
2346 | && (strcmp (lang_memory_region_list->name, "*default*") != 0 | |
2347 | || lang_memory_region_list->next != NULL)) | |
26c7ca95 | 2348 | einfo (_("%P: warning: no memory region specified for section `%s'\n"), |
26c61946 ILT |
2349 | bfd_get_section_name (output_bfd, os->bfd_section)); |
2350 | ||
ae475b39 | 2351 | dot = os->region->current; |
feaa9c4b | 2352 | if (os->section_alignment == -1) |
c5a0d31a ILT |
2353 | { |
2354 | bfd_vma olddot; | |
2355 | ||
2356 | olddot = dot; | |
2357 | dot = align_power (dot, os->bfd_section->alignment_power); | |
2358 | if (dot != olddot && config.warn_section_align) | |
26c7ca95 | 2359 | einfo (_("%P: warning: changing start of section %s by %u bytes\n"), |
c5a0d31a ILT |
2360 | os->name, (unsigned int) (dot - olddot)); |
2361 | } | |
ae475b39 SC |
2362 | } |
2363 | else | |
2364 | { | |
2365 | etree_value_type r; | |
2366 | ||
2367 | r = exp_fold_tree (os->addr_tree, | |
2368 | abs_output_section, | |
2369 | lang_allocating_phase_enum, | |
2370 | dot, &dot); | |
2371 | if (r.valid == false) | |
2372 | { | |
26c7ca95 | 2373 | einfo (_("%F%S: non constant address expression for section %s\n"), |
ae475b39 SC |
2374 | os->name); |
2375 | } | |
72df7117 | 2376 | dot = r.value + r.section->bfd_section->vma; |
ae475b39 SC |
2377 | } |
2378 | /* The section starts here */ | |
2379 | /* First, align to what the section needs */ | |
2380 | ||
a62494c4 JL |
2381 | if (os->section_alignment != -1) |
2382 | dot = align_power (dot, os->section_alignment); | |
ae475b39 | 2383 | |
ae475b39 | 2384 | bfd_set_section_vma (0, os->bfd_section, dot); |
9fce28ed | 2385 | |
686739e2 ILT |
2386 | os->bfd_section->output_offset = 0; |
2387 | } | |
ae475b39 SC |
2388 | |
2389 | (void) lang_size_sections (os->children.head, os, &os->children.head, | |
2390 | os->fill, dot, relax); | |
2391 | /* Ignore the size of the input sections, use the vma and size to */ | |
2392 | /* align against */ | |
2393 | ||
8ddef552 | 2394 | after = ALIGN_N (os->bfd_section->vma + |
97fbbaca JL |
2395 | os->bfd_section->_raw_size, |
2396 | /* The coercion here is important, see ld.h. */ | |
2397 | (bfd_vma) os->block_value); | |
ae475b39 | 2398 | |
686739e2 ILT |
2399 | if (bfd_is_abs_section (os->bfd_section)) |
2400 | ASSERT (after == os->bfd_section->vma); | |
2401 | else | |
2402 | os->bfd_section->_raw_size = after - os->bfd_section->vma; | |
ae475b39 SC |
2403 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; |
2404 | os->processed = true; | |
2405 | ||
2406 | /* Replace into region ? */ | |
686739e2 | 2407 | if (os->region != (lang_memory_region_type *) NULL) |
e802f0be DE |
2408 | { |
2409 | os->region->current = dot; | |
2410 | /* Make sure this isn't silly. */ | |
09328690 ILT |
2411 | if (os->region->current < os->region->origin |
2412 | || (os->region->current - os->region->origin | |
2413 | > os->region->length)) | |
e802f0be DE |
2414 | { |
2415 | if (os->addr_tree != (etree_type *) NULL) | |
2416 | { | |
26c7ca95 | 2417 | einfo (_("%X%P: address 0x%v of %B section %s is not within region %s\n"), |
e802f0be DE |
2418 | os->region->current, |
2419 | os->bfd_section->owner, | |
2420 | os->bfd_section->name, | |
2421 | os->region->name); | |
2422 | } | |
2423 | else | |
2424 | { | |
26c7ca95 | 2425 | einfo (_("%X%P: region %s is full (%B section %s)\n"), |
e802f0be DE |
2426 | os->region->name, |
2427 | os->bfd_section->owner, | |
2428 | os->bfd_section->name); | |
2429 | } | |
2430 | /* Reset the region pointer. */ | |
2431 | os->region->current = os->region->origin; | |
2432 | } | |
2433 | } | |
ae475b39 | 2434 | } |
e802f0be | 2435 | break; |
9d1fe8a4 | 2436 | |
ae475b39 SC |
2437 | case lang_constructors_statement_enum: |
2438 | dot = lang_size_sections (constructor_list.head, | |
2439 | output_section_statement, | |
2440 | &s->wild_statement.children.head, | |
2441 | fill, | |
2442 | dot, relax); | |
2443 | break; | |
9d1fe8a4 | 2444 | |
ae475b39 SC |
2445 | case lang_data_statement_enum: |
2446 | { | |
2447 | unsigned int size = 0; | |
2448 | ||
2449 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; | |
2450 | s->data_statement.output_section = | |
2451 | output_section_statement->bfd_section; | |
2452 | ||
2453 | switch (s->data_statement.type) | |
9f19768a ILT |
2454 | { |
2455 | case QUAD: | |
2456 | case SQUAD: | |
2457 | size = QUAD_SIZE; | |
2458 | break; | |
2459 | case LONG: | |
2460 | size = LONG_SIZE; | |
2461 | break; | |
2462 | case SHORT: | |
2463 | size = SHORT_SIZE; | |
2464 | break; | |
2465 | case BYTE: | |
2466 | size = BYTE_SIZE; | |
2467 | break; | |
2468 | } | |
ae475b39 | 2469 | |
ae475b39 SC |
2470 | dot += size; |
2471 | output_section_statement->bfd_section->_raw_size += size; | |
36ea6198 ILT |
2472 | /* The output section gets contents, and then we inspect for |
2473 | any flags set in the input script which override any ALLOC */ | |
943fbd5b | 2474 | output_section_statement->bfd_section->flags |= SEC_HAS_CONTENTS; |
36ea6198 ILT |
2475 | if (!(output_section_statement->flags & SEC_NEVER_LOAD)) { |
2476 | output_section_statement->bfd_section->flags |= SEC_ALLOC | SEC_LOAD; | |
2477 | } | |
ae475b39 SC |
2478 | } |
2479 | break; | |
c611e285 | 2480 | |
4fdbafb2 ILT |
2481 | case lang_reloc_statement_enum: |
2482 | { | |
2483 | int size; | |
2484 | ||
2485 | s->reloc_statement.output_vma = | |
2486 | dot - output_section_statement->bfd_section->vma; | |
2487 | s->reloc_statement.output_section = | |
2488 | output_section_statement->bfd_section; | |
2489 | size = bfd_get_reloc_size (s->reloc_statement.howto); | |
2490 | dot += size; | |
2491 | output_section_statement->bfd_section->_raw_size += size; | |
2492 | } | |
2493 | break; | |
2494 | ||
ae475b39 | 2495 | case lang_wild_statement_enum: |
c611e285 | 2496 | |
ae475b39 SC |
2497 | dot = lang_size_sections (s->wild_statement.children.head, |
2498 | output_section_statement, | |
2499 | &s->wild_statement.children.head, | |
c611e285 | 2500 | |
ae475b39 | 2501 | fill, dot, relax); |
c611e285 | 2502 | |
ae475b39 | 2503 | break; |
c611e285 | 2504 | |
ae475b39 | 2505 | case lang_object_symbols_statement_enum: |
c477527c ILT |
2506 | link_info.create_object_symbols_section = |
2507 | output_section_statement->bfd_section; | |
ae475b39 SC |
2508 | break; |
2509 | case lang_output_statement_enum: | |
2510 | case lang_target_statement_enum: | |
2511 | break; | |
2512 | case lang_input_section_enum: | |
ae475b39 | 2513 | { |
c477527c ILT |
2514 | asection *i; |
2515 | ||
193c5f93 ILT |
2516 | i = (*prev)->input_section.section; |
2517 | if (! relax) | |
6799c638 ILT |
2518 | { |
2519 | if (i->_cooked_size == 0) | |
2520 | i->_cooked_size = i->_raw_size; | |
2521 | } | |
193c5f93 | 2522 | else |
755f42fe | 2523 | { |
193c5f93 | 2524 | boolean again; |
075d7359 | 2525 | |
193c5f93 | 2526 | if (! bfd_relax_section (i->owner, i, &link_info, &again)) |
26c7ca95 | 2527 | einfo (_("%P%F: can't relax section: %E\n")); |
193c5f93 ILT |
2528 | if (again) |
2529 | relax_again = true; | |
2530 | } | |
2531 | dot = size_input_section (prev, | |
2532 | output_section_statement, | |
2533 | output_section_statement->fill, | |
2534 | dot, relax); | |
ae475b39 | 2535 | } |
ae475b39 SC |
2536 | break; |
2537 | case lang_input_statement_enum: | |
2538 | break; | |
2539 | case lang_fill_statement_enum: | |
2540 | s->fill_statement.output_section = output_section_statement->bfd_section; | |
075d7359 | 2541 | |
ae475b39 SC |
2542 | fill = s->fill_statement.fill; |
2543 | break; | |
2544 | case lang_assignment_statement_enum: | |
2545 | { | |
2546 | bfd_vma newdot = dot; | |
2547 | ||
2548 | exp_fold_tree (s->assignment_statement.exp, | |
2549 | output_section_statement, | |
2550 | lang_allocating_phase_enum, | |
2551 | dot, | |
2552 | &newdot); | |
2553 | ||
26c7ca95 | 2554 | if (newdot != dot) |
27f7237e ILT |
2555 | { |
2556 | /* The assignment changed dot. Insert a pad. */ | |
2557 | if (output_section_statement == abs_output_section) | |
2558 | { | |
2559 | /* If we don't have an output section, then just adjust | |
2560 | the default memory address. */ | |
2561 | lang_memory_region_lookup ("*default*")->current = newdot; | |
2562 | } | |
26c7ca95 | 2563 | else if (!relax) |
27f7237e ILT |
2564 | { |
2565 | lang_statement_union_type *new = | |
2566 | ((lang_statement_union_type *) | |
2567 | stat_alloc (sizeof (lang_padding_statement_type))); | |
2568 | ||
2569 | /* Link into existing chain */ | |
2570 | new->header.next = *prev; | |
2571 | *prev = new; | |
2572 | new->header.type = lang_padding_statement_enum; | |
2573 | new->padding_statement.output_section = | |
2574 | output_section_statement->bfd_section; | |
2575 | new->padding_statement.output_offset = | |
2576 | dot - output_section_statement->bfd_section->vma; | |
2577 | new->padding_statement.fill = fill; | |
2578 | new->padding_statement.size = newdot - dot; | |
2579 | output_section_statement->bfd_section->_raw_size += | |
2580 | new->padding_statement.size; | |
2581 | } | |
2582 | ||
2583 | dot = newdot; | |
2584 | } | |
ae475b39 | 2585 | } |
27f7237e | 2586 | break; |
9d87af56 ILT |
2587 | |
2588 | case lang_padding_statement_enum: | |
2589 | /* If we are relaxing, and this is not the first pass, some | |
2590 | padding statements may have been inserted during previous | |
2591 | passes. We may have to move the padding statement to a new | |
2592 | location if dot has a different value at this point in this | |
2593 | pass than it did at this point in the previous pass. */ | |
2594 | s->padding_statement.output_offset = | |
2595 | dot - output_section_statement->bfd_section->vma; | |
2596 | dot += s->padding_statement.size; | |
708f7fbc ILT |
2597 | output_section_statement->bfd_section->_raw_size += |
2598 | s->padding_statement.size; | |
9d87af56 ILT |
2599 | break; |
2600 | ||
309c8153 ILT |
2601 | case lang_group_statement_enum: |
2602 | dot = lang_size_sections (s->group_statement.children.head, | |
2603 | output_section_statement, | |
2604 | &s->group_statement.children.head, | |
2605 | fill, dot, relax); | |
2606 | break; | |
2607 | ||
ae475b39 SC |
2608 | default: |
2609 | FAIL (); | |
2610 | break; | |
9d87af56 | 2611 | |
ae475b39 | 2612 | /* This can only get here when relaxing is turned on */ |
075d7359 | 2613 | |
ae475b39 SC |
2614 | case lang_address_statement_enum: |
2615 | break; | |
075d7359 | 2616 | } |
ae475b39 SC |
2617 | prev = &s->header.next; |
2618 | } | |
c611e285 SC |
2619 | return dot; |
2620 | } | |
9d1fe8a4 | 2621 | |
309c8153 | 2622 | bfd_vma |
9f629407 ILT |
2623 | lang_do_assignments (s, output_section_statement, fill, dot) |
2624 | lang_statement_union_type * s; | |
2625 | lang_output_section_statement_type * output_section_statement; | |
c477527c | 2626 | fill_type fill; |
9f629407 | 2627 | bfd_vma dot; |
2fa0b342 | 2628 | { |
075d7359 | 2629 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 2630 | { |
075d7359 | 2631 | switch (s->header.type) |
2fa0b342 | 2632 | { |
075d7359 SC |
2633 | case lang_constructors_statement_enum: |
2634 | dot = lang_do_assignments (constructor_list.head, | |
2635 | output_section_statement, | |
2636 | fill, | |
2637 | dot); | |
2638 | break; | |
2639 | ||
2640 | case lang_output_section_statement_enum: | |
2641 | { | |
2642 | lang_output_section_statement_type *os = | |
269773c1 | 2643 | &(s->output_section_statement); |
2fa0b342 | 2644 | |
269773c1 ILT |
2645 | if (os->bfd_section != NULL) |
2646 | { | |
2647 | dot = os->bfd_section->vma; | |
2648 | (void) lang_do_assignments (os->children.head, os, | |
2649 | os->fill, dot); | |
2650 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
2651 | } | |
0b3499f6 ILT |
2652 | if (os->load_base) |
2653 | { | |
467a0380 SC |
2654 | /* If nothing has been placed into the output section then |
2655 | it won't have a bfd_section. */ | |
2656 | if (os->bfd_section) | |
2657 | { | |
2658 | os->bfd_section->lma | |
2659 | = exp_get_abs_int(os->load_base, 0,"load base", lang_final_phase_enum); | |
2660 | } | |
0b3499f6 | 2661 | } |
075d7359 SC |
2662 | } |
2663 | break; | |
2664 | case lang_wild_statement_enum: | |
2fa0b342 | 2665 | |
075d7359 SC |
2666 | dot = lang_do_assignments (s->wild_statement.children.head, |
2667 | output_section_statement, | |
2668 | fill, dot); | |
2fa0b342 | 2669 | |
075d7359 SC |
2670 | break; |
2671 | ||
2672 | case lang_object_symbols_statement_enum: | |
2673 | case lang_output_statement_enum: | |
2674 | case lang_target_statement_enum: | |
1418c83b | 2675 | #if 0 |
075d7359 | 2676 | case lang_common_statement_enum: |
1418c83b | 2677 | #endif |
2fa0b342 | 2678 | break; |
075d7359 SC |
2679 | case lang_data_statement_enum: |
2680 | { | |
2681 | etree_value_type value; | |
2682 | ||
2683 | value = exp_fold_tree (s->data_statement.exp, | |
2684 | abs_output_section, | |
2685 | lang_final_phase_enum, dot, &dot); | |
2686 | s->data_statement.value = value.value; | |
2687 | if (value.valid == false) | |
26c7ca95 | 2688 | einfo (_("%F%P: invalid data statement\n")); |
075d7359 SC |
2689 | } |
2690 | switch (s->data_statement.type) | |
2691 | { | |
c477527c | 2692 | case QUAD: |
9f19768a | 2693 | case SQUAD: |
c477527c ILT |
2694 | dot += QUAD_SIZE; |
2695 | break; | |
075d7359 SC |
2696 | case LONG: |
2697 | dot += LONG_SIZE; | |
2698 | break; | |
2699 | case SHORT: | |
2700 | dot += SHORT_SIZE; | |
2701 | break; | |
2702 | case BYTE: | |
2703 | dot += BYTE_SIZE; | |
2704 | break; | |
2705 | } | |
2fa0b342 | 2706 | break; |
4fdbafb2 ILT |
2707 | |
2708 | case lang_reloc_statement_enum: | |
2709 | { | |
2710 | etree_value_type value; | |
2711 | ||
2712 | value = exp_fold_tree (s->reloc_statement.addend_exp, | |
2713 | abs_output_section, | |
2714 | lang_final_phase_enum, dot, &dot); | |
2715 | s->reloc_statement.addend_value = value.value; | |
2716 | if (value.valid == false) | |
26c7ca95 | 2717 | einfo (_("%F%P: invalid reloc statement\n")); |
4fdbafb2 ILT |
2718 | } |
2719 | dot += bfd_get_reloc_size (s->reloc_statement.howto); | |
2720 | break; | |
2721 | ||
075d7359 SC |
2722 | case lang_input_section_enum: |
2723 | { | |
2724 | asection *in = s->input_section.section; | |
2725 | ||
f078dc7c ILT |
2726 | if (in->_cooked_size != 0) |
2727 | dot += in->_cooked_size; | |
2728 | else | |
2729 | dot += in->_raw_size; | |
075d7359 | 2730 | } |
2fa0b342 | 2731 | break; |
2fa0b342 | 2732 | |
075d7359 SC |
2733 | case lang_input_statement_enum: |
2734 | break; | |
2735 | case lang_fill_statement_enum: | |
2736 | fill = s->fill_statement.fill; | |
2737 | break; | |
2738 | case lang_assignment_statement_enum: | |
2739 | { | |
2740 | exp_fold_tree (s->assignment_statement.exp, | |
2741 | output_section_statement, | |
2742 | lang_final_phase_enum, | |
2743 | dot, | |
2744 | &dot); | |
2745 | } | |
2746 | ||
2747 | break; | |
2748 | case lang_padding_statement_enum: | |
2749 | dot += s->padding_statement.size; | |
2750 | break; | |
309c8153 ILT |
2751 | |
2752 | case lang_group_statement_enum: | |
2753 | dot = lang_do_assignments (s->group_statement.children.head, | |
2754 | output_section_statement, | |
2755 | fill, dot); | |
2756 | ||
2757 | break; | |
2758 | ||
075d7359 SC |
2759 | default: |
2760 | FAIL (); | |
2761 | break; | |
2762 | case lang_address_statement_enum: | |
2763 | break; | |
2764 | } | |
2fa0b342 DHW |
2765 | |
2766 | } | |
2767 | return dot; | |
2768 | } | |
2769 | ||
1d169acc ILT |
2770 | /* Fix any .startof. or .sizeof. symbols. When the assemblers see the |
2771 | operator .startof. (section_name), it produces an undefined symbol | |
2772 | .startof.section_name. Similarly, when it sees | |
2773 | .sizeof. (section_name), it produces an undefined symbol | |
2774 | .sizeof.section_name. For all the output sections, we look for | |
2775 | such symbols, and set them to the correct value. */ | |
2776 | ||
2777 | static void | |
2778 | lang_set_startof () | |
2779 | { | |
2780 | asection *s; | |
2781 | ||
307585f1 ILT |
2782 | if (link_info.relocateable) |
2783 | return; | |
2784 | ||
1d169acc ILT |
2785 | for (s = output_bfd->sections; s != NULL; s = s->next) |
2786 | { | |
2787 | const char *secname; | |
2788 | char *buf; | |
2789 | struct bfd_link_hash_entry *h; | |
2790 | ||
2791 | secname = bfd_get_section_name (output_bfd, s); | |
2792 | buf = xmalloc (10 + strlen (secname)); | |
2793 | ||
2794 | sprintf (buf, ".startof.%s", secname); | |
2795 | h = bfd_link_hash_lookup (link_info.hash, buf, false, false, true); | |
2796 | if (h != NULL && h->type == bfd_link_hash_undefined) | |
2797 | { | |
2798 | h->type = bfd_link_hash_defined; | |
2799 | h->u.def.value = bfd_get_section_vma (output_bfd, s); | |
2800 | h->u.def.section = bfd_abs_section_ptr; | |
2801 | } | |
2802 | ||
2803 | sprintf (buf, ".sizeof.%s", secname); | |
2804 | h = bfd_link_hash_lookup (link_info.hash, buf, false, false, true); | |
2805 | if (h != NULL && h->type == bfd_link_hash_undefined) | |
2806 | { | |
2807 | h->type = bfd_link_hash_defined; | |
2808 | if (s->_cooked_size != 0) | |
2809 | h->u.def.value = s->_cooked_size; | |
2810 | else | |
2811 | h->u.def.value = s->_raw_size; | |
2812 | h->u.def.section = bfd_abs_section_ptr; | |
2813 | } | |
2814 | ||
2815 | free (buf); | |
2816 | } | |
2817 | } | |
2818 | ||
2fa0b342 | 2819 | static void |
8ddef552 | 2820 | lang_finish () |
2fa0b342 | 2821 | { |
c477527c | 2822 | struct bfd_link_hash_entry *h; |
cc38364d KR |
2823 | boolean warn; |
2824 | ||
2825 | if (link_info.relocateable || link_info.shared) | |
2826 | warn = false; | |
2827 | else | |
2828 | warn = true; | |
075d7359 | 2829 | |
c477527c ILT |
2830 | if (entry_symbol == (char *) NULL) |
2831 | { | |
2832 | /* No entry has been specified. Look for start, but don't warn | |
2833 | if we don't find it. */ | |
2834 | entry_symbol = "start"; | |
2835 | warn = false; | |
2836 | } | |
2fa0b342 | 2837 | |
c477527c ILT |
2838 | h = bfd_link_hash_lookup (link_info.hash, entry_symbol, false, false, true); |
2839 | if (h != (struct bfd_link_hash_entry *) NULL | |
8ed88239 | 2840 | && (h->type == bfd_link_hash_defined |
061e65f8 ILT |
2841 | || h->type == bfd_link_hash_defweak) |
2842 | && h->u.def.section->output_section != NULL) | |
075d7359 | 2843 | { |
c477527c | 2844 | bfd_vma val; |
075d7359 | 2845 | |
c477527c ILT |
2846 | val = (h->u.def.value |
2847 | + bfd_get_section_vma (output_bfd, | |
2848 | h->u.def.section->output_section) | |
2849 | + h->u.def.section->output_offset); | |
2850 | if (! bfd_set_start_address (output_bfd, val)) | |
26c7ca95 | 2851 | einfo (_("%P%F:%s: can't set start address\n"), entry_symbol); |
075d7359 | 2852 | } |
c477527c | 2853 | else |
22a78f0d | 2854 | { |
d2256aeb | 2855 | bfd_vma val; |
71b012a8 | 2856 | CONST char *send; |
c477527c | 2857 | |
d2256aeb ILT |
2858 | /* We couldn't find the entry symbol. Try parsing it as a |
2859 | number. */ | |
2860 | val = bfd_scan_vma (entry_symbol, &send, 0); | |
2861 | if (*send == '\0') | |
c477527c | 2862 | { |
d2256aeb | 2863 | if (! bfd_set_start_address (output_bfd, val)) |
26c7ca95 | 2864 | einfo (_("%P%F: can't set start address\n")); |
c477527c ILT |
2865 | } |
2866 | else | |
2867 | { | |
d2256aeb ILT |
2868 | asection *ts; |
2869 | ||
2870 | /* Can't find the entry symbol, and it's not a number. Use | |
2871 | the first address in the text section. */ | |
2872 | ts = bfd_get_section_by_name (output_bfd, ".text"); | |
2873 | if (ts != (asection *) NULL) | |
2874 | { | |
2875 | if (warn) | |
2876 | einfo (_("%P: warning: cannot find entry symbol %s; defaulting to %V\n"), | |
2877 | entry_symbol, bfd_get_section_vma (output_bfd, ts)); | |
2878 | if (! bfd_set_start_address (output_bfd, | |
2879 | bfd_get_section_vma (output_bfd, | |
2880 | ts))) | |
2881 | einfo (_("%P%F: can't set start address\n")); | |
2882 | } | |
2883 | else | |
2884 | { | |
2885 | if (warn) | |
2886 | einfo (_("%P: warning: cannot find entry symbol %s; not setting start address\n"), | |
2887 | entry_symbol); | |
2888 | } | |
c477527c | 2889 | } |
22a78f0d | 2890 | } |
2fa0b342 DHW |
2891 | } |
2892 | ||
d3c324e5 MM |
2893 | /* This is a small function used when we want to ignore errors from |
2894 | BFD. */ | |
2895 | ||
2896 | static void | |
2897 | #ifdef ANSI_PROTOTYPES | |
2898 | ignore_bfd_errors (const char *s, ...) | |
2899 | #else | |
2900 | ignore_bfd_errors (s) | |
2901 | const char *s; | |
2902 | #endif | |
2903 | { | |
2904 | /* Don't do anything. */ | |
2905 | } | |
2906 | ||
0b3499f6 | 2907 | /* Check that the architecture of all the input files is compatible |
f400bbbb ILT |
2908 | with the output file. Also call the backend to let it do any |
2909 | other checking that is needed. */ | |
0b3499f6 | 2910 | |
2fa0b342 | 2911 | static void |
8ddef552 | 2912 | lang_check () |
2fa0b342 DHW |
2913 | { |
2914 | lang_statement_union_type *file; | |
075d7359 | 2915 | bfd *input_bfd; |
075d7359 | 2916 | CONST bfd_arch_info_type *compatible; |
7bc4a0d7 | 2917 | |
2fa0b342 | 2918 | for (file = file_chain.head; |
075d7359 SC |
2919 | file != (lang_statement_union_type *) NULL; |
2920 | file = file->input_statement.next) | |
2921 | { | |
075d7359 | 2922 | input_bfd = file->input_statement.the_bfd; |
075d7359 SC |
2923 | compatible = bfd_arch_get_compatible (input_bfd, |
2924 | output_bfd); | |
0b3499f6 | 2925 | if (compatible == NULL) |
9f19768a | 2926 | { |
d3c324e5 | 2927 | if (command_line.warn_mismatch) |
26c7ca95 | 2928 | einfo (_("%P: warning: %s architecture of input file `%B' is incompatible with %s output\n"), |
d3c324e5 MM |
2929 | bfd_printable_name (input_bfd), input_bfd, |
2930 | bfd_printable_name (output_bfd)); | |
2931 | } | |
2932 | else | |
2933 | { | |
26c61946 | 2934 | bfd_error_handler_type pfn = NULL; |
d3c324e5 MM |
2935 | |
2936 | /* If we aren't supposed to warn about mismatched input | |
2937 | files, temporarily set the BFD error handler to a | |
2938 | function which will do nothing. We still want to call | |
2939 | bfd_merge_private_bfd_data, since it may set up | |
2940 | information which is needed in the output file. */ | |
2941 | if (! command_line.warn_mismatch) | |
2942 | pfn = bfd_set_error_handler (ignore_bfd_errors); | |
2943 | if (! bfd_merge_private_bfd_data (input_bfd, output_bfd)) | |
2944 | { | |
2945 | if (command_line.warn_mismatch) | |
26c7ca95 | 2946 | einfo (_("%E%X: failed to merge target specific data of file %B\n"), |
d3c324e5 MM |
2947 | input_bfd); |
2948 | } | |
2949 | if (! command_line.warn_mismatch) | |
2950 | bfd_set_error_handler (pfn); | |
9f19768a | 2951 | } |
075d7359 SC |
2952 | } |
2953 | } | |
2fa0b342 | 2954 | |
c477527c ILT |
2955 | /* Look through all the global common symbols and attach them to the |
2956 | correct section. The -sort-common command line switch may be used | |
2957 | to roughly sort the entries by size. */ | |
2fa0b342 DHW |
2958 | |
2959 | static void | |
8ddef552 | 2960 | lang_common () |
2fa0b342 | 2961 | { |
c477527c ILT |
2962 | if (link_info.relocateable |
2963 | && ! command_line.force_common_definition) | |
2964 | return; | |
075d7359 | 2965 | |
c477527c ILT |
2966 | if (! config.sort_common) |
2967 | bfd_link_hash_traverse (link_info.hash, lang_one_common, (PTR) NULL); | |
2968 | else | |
075d7359 | 2969 | { |
fa9dea80 | 2970 | int power; |
1418c83b | 2971 | |
fa9dea80 | 2972 | for (power = 4; power >= 0; power--) |
c477527c ILT |
2973 | bfd_link_hash_traverse (link_info.hash, lang_one_common, |
2974 | (PTR) &power); | |
2975 | } | |
2976 | } | |
29f33467 | 2977 | |
c477527c | 2978 | /* Place one common symbol in the correct section. */ |
075d7359 | 2979 | |
c477527c ILT |
2980 | static boolean |
2981 | lang_one_common (h, info) | |
2982 | struct bfd_link_hash_entry *h; | |
2983 | PTR info; | |
2984 | { | |
2985 | unsigned int power_of_two; | |
2986 | bfd_vma size; | |
c477527c | 2987 | asection *section; |
075d7359 | 2988 | |
c477527c ILT |
2989 | if (h->type != bfd_link_hash_common) |
2990 | return true; | |
075d7359 | 2991 | |
c477527c | 2992 | size = h->u.c.size; |
f400bbbb | 2993 | power_of_two = h->u.c.p->alignment_power; |
36c6e8c3 ILT |
2994 | |
2995 | if (config.sort_common | |
f054ce20 | 2996 | && power_of_two < (unsigned int) *(int *) info) |
c477527c | 2997 | return true; |
075d7359 | 2998 | |
f400bbbb | 2999 | section = h->u.c.p->section; |
075d7359 | 3000 | |
c477527c | 3001 | /* Increase the size of the section. */ |
79cee2b7 RH |
3002 | section->_cooked_size = ALIGN_N (section->_cooked_size, |
3003 | (bfd_size_type) (1 << power_of_two)); | |
075d7359 | 3004 | |
c477527c ILT |
3005 | /* Adjust the alignment if necessary. */ |
3006 | if (power_of_two > section->alignment_power) | |
3007 | section->alignment_power = power_of_two; | |
075d7359 | 3008 | |
c477527c ILT |
3009 | /* Change the symbol from common to defined. */ |
3010 | h->type = bfd_link_hash_defined; | |
3011 | h->u.def.section = section; | |
79cee2b7 | 3012 | h->u.def.value = section->_cooked_size; |
097879bc | 3013 | |
c477527c | 3014 | /* Increase the size of the section. */ |
79cee2b7 | 3015 | section->_cooked_size += size; |
1418c83b | 3016 | |
c5a0d31a ILT |
3017 | /* Make sure the section is allocated in memory, and make sure that |
3018 | it is no longer a common section. */ | |
809391bd | 3019 | section->flags |= SEC_ALLOC; |
c5a0d31a | 3020 | section->flags &= ~ SEC_IS_COMMON; |
809391bd | 3021 | |
b495c314 | 3022 | if (config.map_file != NULL) |
efa6c497 ILT |
3023 | { |
3024 | static boolean header_printed; | |
3025 | int len; | |
3026 | char *name; | |
3027 | char buf[50]; | |
3028 | ||
3029 | if (! header_printed) | |
3030 | { | |
26c7ca95 ILT |
3031 | minfo (_("\nAllocating common symbols\n")); |
3032 | minfo (_("Common symbol size file\n\n")); | |
efa6c497 ILT |
3033 | header_printed = true; |
3034 | } | |
3035 | ||
3036 | name = demangle (h->root.string); | |
3037 | minfo ("%s", name); | |
3038 | len = strlen (name); | |
3039 | free (name); | |
3040 | ||
3041 | if (len >= 19) | |
3042 | { | |
3043 | print_nl (); | |
3044 | len = 0; | |
3045 | } | |
3046 | while (len < 20) | |
3047 | { | |
3048 | print_space (); | |
3049 | ++len; | |
3050 | } | |
3051 | ||
3052 | minfo ("0x"); | |
3053 | if (size <= 0xffffffff) | |
3054 | sprintf (buf, "%lx", (unsigned long) size); | |
3055 | else | |
3056 | sprintf_vma (buf, size); | |
3057 | minfo ("%s", buf); | |
3058 | len = strlen (buf); | |
3059 | ||
3060 | while (len < 16) | |
3061 | { | |
3062 | print_space (); | |
3063 | ++len; | |
3064 | } | |
3065 | ||
3066 | minfo ("%B\n", section->owner); | |
3067 | } | |
1418c83b | 3068 | |
c477527c | 3069 | return true; |
2fa0b342 DHW |
3070 | } |
3071 | ||
3072 | /* | |
075d7359 | 3073 | run through the input files and ensure that every input |
2fa0b342 DHW |
3074 | section has somewhere to go. If one is found without |
3075 | a destination then create an input request and place it | |
3076 | into the statement tree. | |
3077 | */ | |
3078 | ||
075d7359 | 3079 | static void |
8ddef552 | 3080 | lang_place_orphans () |
2fa0b342 DHW |
3081 | { |
3082 | lang_input_statement_type *file; | |
1418c83b | 3083 | |
075d7359 SC |
3084 | for (file = (lang_input_statement_type *) file_chain.head; |
3085 | file != (lang_input_statement_type *) NULL; | |
3086 | file = (lang_input_statement_type *) file->next) | |
3087 | { | |
3088 | asection *s; | |
3089 | ||
3090 | for (s = file->the_bfd->sections; | |
3091 | s != (asection *) NULL; | |
3092 | s = s->next) | |
3093 | { | |
3094 | if (s->output_section == (asection *) NULL) | |
3095 | { | |
3096 | /* This section of the file is not attatched, root | |
3097 | around for a sensible place for it to go */ | |
3098 | ||
e802f0be DE |
3099 | if (file->just_syms_flag) |
3100 | { | |
3101 | /* We are only retrieving symbol values from this | |
3102 | file. We want the symbols to act as though the | |
3103 | values in the file are absolute. */ | |
3104 | s->output_section = bfd_abs_section_ptr; | |
3105 | s->output_offset = s->vma; | |
3106 | } | |
86bc0974 | 3107 | else if (strcmp (s->name, "COMMON") == 0) |
075d7359 | 3108 | { |
86bc0974 ILT |
3109 | /* This is a lonely common section which must have |
3110 | come from an archive. We attach to the section | |
3111 | with the wildcard. */ | |
c477527c | 3112 | if (! link_info.relocateable |
86bc0974 | 3113 | || command_line.force_common_definition) |
075d7359 | 3114 | { |
86bc0974 | 3115 | if (default_common_section == NULL) |
075d7359 | 3116 | { |
86bc0974 ILT |
3117 | #if 0 |
3118 | /* This message happens when using the | |
3119 | svr3.ifile linker script, so I have | |
3120 | disabled it. */ | |
26c7ca95 | 3121 | info_msg (_("%P: no [COMMON] command, defaulting to .bss\n")); |
86bc0974 | 3122 | #endif |
075d7359 SC |
3123 | default_common_section = |
3124 | lang_output_section_statement_lookup (".bss"); | |
3125 | ||
3126 | } | |
3127 | wild_doit (&default_common_section->children, s, | |
3128 | default_common_section, file); | |
3129 | } | |
3130 | } | |
0b3499f6 ILT |
3131 | else if (ldemul_place_orphan (file, s)) |
3132 | ; | |
075d7359 SC |
3133 | else |
3134 | { | |
3135 | lang_output_section_statement_type *os = | |
3136 | lang_output_section_statement_lookup (s->name); | |
2fa0b342 | 3137 | |
075d7359 SC |
3138 | wild_doit (&os->children, s, os, file); |
3139 | } | |
3140 | } | |
2fa0b342 | 3141 | } |
2fa0b342 | 3142 | } |
2fa0b342 DHW |
3143 | } |
3144 | ||
3145 | ||
2fa0b342 | 3146 | void |
8ddef552 | 3147 | lang_set_flags (ptr, flags) |
d3c324e5 | 3148 | lang_memory_region_type *ptr; |
8ddef552 | 3149 | CONST char *flags; |
2fa0b342 | 3150 | { |
d3c324e5 | 3151 | flagword *ptr_flags = &ptr->flags; |
075d7359 | 3152 | |
d3c324e5 | 3153 | ptr->flags = ptr->not_flags = 0; |
2fa0b342 | 3154 | while (*flags) |
075d7359 | 3155 | { |
075d7359 SC |
3156 | switch (*flags) |
3157 | { | |
d3c324e5 MM |
3158 | case '!': |
3159 | ptr_flags = (ptr_flags == &ptr->flags) ? &ptr->not_flags : &ptr->flags; | |
075d7359 | 3160 | break; |
d3c324e5 MM |
3161 | |
3162 | case 'A': case 'a': | |
3163 | *ptr_flags |= SEC_ALLOC; | |
075d7359 | 3164 | break; |
d3c324e5 MM |
3165 | |
3166 | case 'R': case 'r': | |
3167 | *ptr_flags |= SEC_READONLY; | |
3168 | break; | |
3169 | ||
3170 | case 'W': case 'w': | |
3171 | *ptr_flags |= SEC_DATA; | |
075d7359 | 3172 | break; |
d3c324e5 MM |
3173 | |
3174 | case 'X': case 'x': | |
3175 | *ptr_flags |= SEC_CODE; | |
075d7359 | 3176 | break; |
d3c324e5 MM |
3177 | |
3178 | case 'L': case 'l': | |
3179 | case 'I': case 'i': | |
3180 | *ptr_flags |= SEC_LOAD; | |
3181 | break; | |
3182 | ||
075d7359 | 3183 | default: |
26c7ca95 | 3184 | einfo (_("%P%F: invalid syntax in flags\n")); |
075d7359 SC |
3185 | break; |
3186 | } | |
dc4726c2 SC |
3187 | flags++; |
3188 | } | |
2fa0b342 DHW |
3189 | } |
3190 | ||
a4d2a48e ILT |
3191 | /* Call a function on each input file. This function will be called |
3192 | on an archive, but not on the elements. */ | |
3193 | ||
3194 | void | |
3195 | lang_for_each_input_file (func) | |
3196 | void (*func) PARAMS ((lang_input_statement_type *)); | |
3197 | { | |
3198 | lang_input_statement_type *f; | |
3199 | ||
3200 | for (f = (lang_input_statement_type *) input_file_chain.head; | |
3201 | f != NULL; | |
3202 | f = (lang_input_statement_type *) f->next_real_file) | |
3203 | func (f); | |
3204 | } | |
2fa0b342 | 3205 | |
a4d2a48e ILT |
3206 | /* Call a function on each file. The function will be called on all |
3207 | the elements of an archive which are included in the link, but will | |
3208 | not be called on the archive file itself. */ | |
2fa0b342 DHW |
3209 | |
3210 | void | |
8ddef552 DM |
3211 | lang_for_each_file (func) |
3212 | void (*func) PARAMS ((lang_input_statement_type *)); | |
2fa0b342 DHW |
3213 | { |
3214 | lang_input_statement_type *f; | |
075d7359 SC |
3215 | |
3216 | for (f = (lang_input_statement_type *) file_chain.head; | |
3217 | f != (lang_input_statement_type *) NULL; | |
3218 | f = (lang_input_statement_type *) f->next) | |
3219 | { | |
3220 | func (f); | |
3221 | } | |
2fa0b342 DHW |
3222 | } |
3223 | ||
9f629407 ILT |
3224 | #if 0 |
3225 | ||
3226 | /* Not used. */ | |
2fa0b342 DHW |
3227 | |
3228 | void | |
8ddef552 DM |
3229 | lang_for_each_input_section (func) |
3230 | void (*func) PARAMS ((bfd * ab, asection * as)); | |
2fa0b342 DHW |
3231 | { |
3232 | lang_input_statement_type *f; | |
075d7359 SC |
3233 | |
3234 | for (f = (lang_input_statement_type *) file_chain.head; | |
3235 | f != (lang_input_statement_type *) NULL; | |
3236 | f = (lang_input_statement_type *) f->next) | |
2fa0b342 DHW |
3237 | { |
3238 | asection *s; | |
075d7359 | 3239 | |
2fa0b342 | 3240 | for (s = f->the_bfd->sections; |
075d7359 SC |
3241 | s != (asection *) NULL; |
3242 | s = s->next) | |
3243 | { | |
3244 | func (f->the_bfd, s); | |
3245 | } | |
2fa0b342 DHW |
3246 | } |
3247 | } | |
3248 | ||
9f629407 | 3249 | #endif |
2fa0b342 | 3250 | |
075d7359 | 3251 | void |
8ddef552 DM |
3252 | ldlang_add_file (entry) |
3253 | lang_input_statement_type * entry; | |
2fa0b342 | 3254 | { |
5e6cd559 ILT |
3255 | bfd **pp; |
3256 | ||
075d7359 SC |
3257 | lang_statement_append (&file_chain, |
3258 | (lang_statement_union_type *) entry, | |
3259 | &entry->next); | |
c477527c ILT |
3260 | |
3261 | /* The BFD linker needs to have a list of all input BFDs involved in | |
3262 | a link. */ | |
3263 | ASSERT (entry->the_bfd->link_next == (bfd *) NULL); | |
3264 | ASSERT (entry->the_bfd != output_bfd); | |
5e6cd559 ILT |
3265 | for (pp = &link_info.input_bfds; |
3266 | *pp != (bfd *) NULL; | |
3267 | pp = &(*pp)->link_next) | |
3268 | ; | |
3269 | *pp = entry->the_bfd; | |
c477527c | 3270 | entry->the_bfd->usrdata = (PTR) entry; |
fc1dfb71 | 3271 | bfd_set_gp_size (entry->the_bfd, g_switch_value); |
23595ba5 ILT |
3272 | |
3273 | /* Look through the sections and check for any which should not be | |
3274 | included in the link. We need to do this now, so that we can | |
3275 | notice when the backend linker tries to report multiple | |
3276 | definition errors for symbols which are in sections we aren't | |
3277 | going to link. FIXME: It might be better to entirely ignore | |
3278 | symbols which are defined in sections which are going to be | |
3279 | discarded. This would require modifying the backend linker for | |
3280 | each backend which might set the SEC_LINK_ONCE flag. If we do | |
3281 | this, we should probably handle SEC_EXCLUDE in the same way. */ | |
3282 | ||
c5a0d31a | 3283 | bfd_map_over_sections (entry->the_bfd, section_already_linked, (PTR) entry); |
2fa0b342 DHW |
3284 | } |
3285 | ||
2fa0b342 | 3286 | void |
2c6635a4 | 3287 | lang_add_output (name, from_script) |
8ddef552 | 3288 | CONST char *name; |
2c6635a4 | 3289 | int from_script; |
2fa0b342 | 3290 | { |
2c6635a4 ILT |
3291 | /* Make -o on command line override OUTPUT in script. */ |
3292 | if (had_output_filename == false || !from_script) | |
3293 | { | |
3294 | output_filename = name; | |
3295 | had_output_filename = true; | |
3296 | } | |
2fa0b342 DHW |
3297 | } |
3298 | ||
3299 | ||
3300 | static lang_output_section_statement_type *current_section; | |
3301 | ||
f054ce20 ILT |
3302 | static int |
3303 | topower (x) | |
9f629407 | 3304 | int x; |
e20873a7 | 3305 | { |
f054ce20 | 3306 | unsigned int i = 1; |
e20873a7 | 3307 | int l; |
f054ce20 ILT |
3308 | |
3309 | if (x < 0) | |
3310 | return -1; | |
3311 | ||
e20873a7 | 3312 | for (l = 0; l < 32; l++) |
f054ce20 ILT |
3313 | { |
3314 | if (i >= (unsigned int) x) | |
3315 | return l; | |
3316 | i <<= 1; | |
3317 | } | |
3318 | ||
29f33467 | 3319 | return 0; |
e20873a7 | 3320 | } |
86bc0974 | 3321 | |
2fa0b342 | 3322 | void |
8ddef552 | 3323 | lang_enter_output_section_statement (output_section_statement_name, |
86bc0974 | 3324 | address_exp, sectype, block_value, |
9f629407 | 3325 | align, subalign, ebase) |
fcf276c4 | 3326 | const char *output_section_statement_name; |
8ddef552 | 3327 | etree_type * address_exp; |
86bc0974 | 3328 | enum section_type sectype; |
8ddef552 DM |
3329 | bfd_vma block_value; |
3330 | etree_type *align; | |
3331 | etree_type *subalign; | |
9f629407 | 3332 | etree_type *ebase; |
2fa0b342 DHW |
3333 | { |
3334 | lang_output_section_statement_type *os; | |
075d7359 SC |
3335 | |
3336 | current_section = | |
e20873a7 | 3337 | os = |
075d7359 SC |
3338 | lang_output_section_statement_lookup (output_section_statement_name); |
3339 | ||
3340 | ||
2fa0b342 | 3341 | |
2fa0b342 DHW |
3342 | /* Add this statement to tree */ |
3343 | /* add_statement(lang_output_section_statement_enum, | |
3344 | output_section_statement);*/ | |
3345 | /* Make next things chain into subchain of this */ | |
3346 | ||
3347 | if (os->addr_tree == | |
075d7359 | 3348 | (etree_type *) NULL) |
e20873a7 JG |
3349 | { |
3350 | os->addr_tree = | |
3351 | address_exp; | |
3352 | } | |
86bc0974 ILT |
3353 | os->sectype = sectype; |
3354 | if (sectype != noload_section) | |
3355 | os->flags = SEC_NO_FLAGS; | |
ae475b39 | 3356 | else |
86bc0974 | 3357 | os->flags = SEC_NEVER_LOAD; |
29f33467 | 3358 | os->block_value = block_value ? block_value : 1; |
075d7359 | 3359 | stat_ptr = &os->children; |
2fa0b342 | 3360 | |
e20873a7 JG |
3361 | os->subsection_alignment = topower( |
3362 | exp_get_value_int(subalign, -1, | |
3363 | "subsection alignment", | |
3364 | 0)); | |
3365 | os->section_alignment = topower( | |
3366 | exp_get_value_int(align, -1, | |
3367 | "section alignment", 0)); | |
9fce28ed | 3368 | |
9f629407 | 3369 | os->load_base = ebase; |
2fa0b342 DHW |
3370 | } |
3371 | ||
9fce28ed | 3372 | |
075d7359 | 3373 | void |
8ddef552 | 3374 | lang_final () |
2fa0b342 | 3375 | { |
2c6635a4 ILT |
3376 | lang_output_statement_type *new = |
3377 | new_stat (lang_output_statement, stat_ptr); | |
2fa0b342 | 3378 | |
2c6635a4 | 3379 | new->name = output_filename; |
075d7359 | 3380 | } |
2fa0b342 | 3381 | |
c611e285 SC |
3382 | /* Reset the current counters in the regions */ |
3383 | static void | |
8ddef552 | 3384 | reset_memory_regions () |
c611e285 | 3385 | { |
075d7359 SC |
3386 | lang_memory_region_type *p = lang_memory_region_list; |
3387 | ||
c611e285 | 3388 | for (p = lang_memory_region_list; |
075d7359 SC |
3389 | p != (lang_memory_region_type *) NULL; |
3390 | p = p->next) | |
3391 | { | |
8ddef552 | 3392 | p->old_length = (bfd_size_type) (p->current - p->origin); |
075d7359 SC |
3393 | p->current = p->origin; |
3394 | } | |
c611e285 | 3395 | } |
2fa0b342 | 3396 | |
71b012a8 RH |
3397 | /* ??? At some point this traversal for GC should share code with the |
3398 | traversal for manipulating the output file. */ | |
3399 | ||
3400 | /* Expand a wild statement for a particular FILE, marking its sections KEEP | |
3401 | as needed. SECTION may be NULL, in which case it is a wild card. */ | |
3402 | ||
3403 | static void | |
3404 | lang_gc_wild_section (ptr, section, file) | |
3405 | lang_wild_statement_type *ptr; | |
3406 | const char *section; | |
3407 | lang_input_statement_type *file; | |
3408 | { | |
3409 | if (file->just_syms_flag == false) | |
3410 | { | |
3411 | register asection *s; | |
3412 | boolean wildcard; | |
3413 | ||
3414 | if (section == NULL) | |
3415 | wildcard = false; | |
3416 | else | |
3417 | wildcard = wildcardp (section); | |
3418 | ||
3419 | for (s = file->the_bfd->sections; s != NULL; s = s->next) | |
3420 | { | |
3421 | boolean match; | |
3422 | ||
3423 | if (section == NULL) | |
3424 | match = true; | |
3425 | else | |
3426 | { | |
3427 | const char *name; | |
3428 | ||
3429 | name = bfd_get_section_name (file->the_bfd, s); | |
3430 | if (wildcard) | |
3431 | match = fnmatch (section, name, 0) == 0 ? true : false; | |
3432 | else | |
3433 | match = strcmp (section, name) == 0 ? true : false; | |
3434 | } | |
3435 | ||
3436 | if (match) | |
3437 | { | |
3438 | /* If the wild pattern was marked KEEP, the member sections | |
3439 | should be as well. */ | |
3440 | if (ptr->keep_sections) | |
3441 | s->flags |= SEC_KEEP; | |
3442 | } | |
3443 | } | |
3444 | } | |
3445 | } | |
3446 | ||
3447 | /* Handle a wild statement for a single file F. */ | |
3448 | ||
3449 | static void | |
3450 | lang_gc_wild_file (s, section, f) | |
3451 | lang_wild_statement_type *s; | |
3452 | const char *section; | |
3453 | lang_input_statement_type *f; | |
3454 | { | |
3455 | if (f->the_bfd == NULL | |
3456 | || ! bfd_check_format (f->the_bfd, bfd_archive)) | |
3457 | lang_gc_wild_section (s, section, f); | |
3458 | else | |
3459 | { | |
3460 | bfd *member; | |
3461 | ||
3462 | /* This is an archive file. We must map each member of the | |
3463 | archive separately. */ | |
3464 | member = bfd_openr_next_archived_file (f->the_bfd, (bfd *) NULL); | |
3465 | while (member != NULL) | |
3466 | { | |
3467 | /* When lookup_name is called, it will call the add_symbols | |
3468 | entry point for the archive. For each element of the | |
3469 | archive which is included, BFD will call ldlang_add_file, | |
3470 | which will set the usrdata field of the member to the | |
3471 | lang_input_statement. */ | |
3472 | if (member->usrdata != NULL) | |
3473 | { | |
3474 | lang_gc_wild_section (s, section, | |
3475 | (lang_input_statement_type *) member->usrdata); | |
3476 | } | |
3477 | ||
3478 | member = bfd_openr_next_archived_file (f->the_bfd, member); | |
3479 | } | |
3480 | } | |
3481 | } | |
3482 | ||
3483 | /* Handle a wild statement, marking it against GC. SECTION or FILE or both | |
3484 | may be NULL, indicating that it is a wildcard. */ | |
3485 | ||
3486 | static void | |
3487 | lang_gc_wild (s, section, file) | |
3488 | lang_wild_statement_type *s; | |
3489 | const char *section; | |
3490 | const char *file; | |
3491 | { | |
3492 | lang_input_statement_type *f; | |
3493 | ||
3494 | if (file == (char *) NULL) | |
3495 | { | |
3496 | /* Perform the iteration over all files in the list */ | |
3497 | for (f = (lang_input_statement_type *) file_chain.head; | |
3498 | f != (lang_input_statement_type *) NULL; | |
3499 | f = (lang_input_statement_type *) f->next) | |
3500 | { | |
3501 | lang_gc_wild_file (s, section, f); | |
3502 | } | |
3503 | } | |
3504 | else if (wildcardp (file)) | |
3505 | { | |
3506 | for (f = (lang_input_statement_type *) file_chain.head; | |
3507 | f != (lang_input_statement_type *) NULL; | |
3508 | f = (lang_input_statement_type *) f->next) | |
3509 | { | |
3510 | if (fnmatch (file, f->filename, FNM_FILE_NAME) == 0) | |
3511 | lang_gc_wild_file (s, section, f); | |
3512 | } | |
3513 | } | |
3514 | else | |
3515 | { | |
3516 | /* Perform the iteration over a single file */ | |
3517 | f = lookup_name (file); | |
3518 | lang_gc_wild_file (s, section, f); | |
3519 | } | |
3520 | } | |
3521 | ||
3522 | /* Iterate over sections marking them against GC. */ | |
3523 | ||
3524 | static void | |
3525 | lang_gc_sections_1 (s) | |
3526 | lang_statement_union_type * s; | |
3527 | { | |
3528 | for (; s != (lang_statement_union_type *) NULL; s = s->next) | |
3529 | { | |
3530 | switch (s->header.type) | |
3531 | { | |
3532 | case lang_wild_statement_enum: | |
3533 | lang_gc_wild (&s->wild_statement, | |
3534 | s->wild_statement.section_name, | |
3535 | s->wild_statement.filename); | |
3536 | break; | |
3537 | case lang_constructors_statement_enum: | |
3538 | lang_gc_sections_1 (constructor_list.head); | |
3539 | break; | |
3540 | case lang_output_section_statement_enum: | |
3541 | lang_gc_sections_1 (s->output_section_statement.children.head); | |
3542 | break; | |
3543 | case lang_group_statement_enum: | |
3544 | lang_gc_sections_1 (s->group_statement.children.head); | |
3545 | break; | |
3546 | } | |
3547 | } | |
3548 | } | |
3549 | ||
3550 | static void | |
3551 | lang_gc_sections () | |
3552 | { | |
3553 | struct bfd_link_hash_entry *h; | |
3554 | ldlang_undef_chain_list_type *ulist, fake_list_start; | |
3555 | ||
3556 | /* Keep all sections so marked in the link script. */ | |
3557 | ||
3558 | lang_gc_sections_1 (statement_list.head); | |
3559 | ||
3560 | /* Keep all sections containing symbols undefined on the command-line. | |
3561 | Handle the entry symbol at the same time. */ | |
3562 | ||
3563 | fake_list_start.next = ldlang_undef_chain_list_head; | |
3564 | fake_list_start.name = entry_symbol; | |
3565 | ||
3566 | for (ulist = &fake_list_start; ulist; ulist = ulist->next) | |
3567 | { | |
3568 | h = bfd_link_hash_lookup (link_info.hash, ulist->name, | |
3569 | false, false, false); | |
3570 | ||
3571 | if (h != (struct bfd_link_hash_entry *) NULL | |
3572 | && (h->type == bfd_link_hash_defined | |
3573 | || h->type == bfd_link_hash_defweak) | |
3574 | && ! bfd_is_abs_section (h->u.def.section)) | |
3575 | { | |
3576 | h->u.def.section->flags |= SEC_KEEP; | |
3577 | } | |
3578 | } | |
3579 | ||
3580 | bfd_gc_sections (output_bfd, &link_info); | |
3581 | } | |
3582 | ||
2fa0b342 | 3583 | void |
8ddef552 | 3584 | lang_process () |
075d7359 | 3585 | { |
075d7359 | 3586 | lang_reasonable_defaults (); |
1418c83b SC |
3587 | current_target = default_target; |
3588 | ||
075d7359 | 3589 | lang_for_each_statement (ldlang_open_output); /* Open the output file */ |
1418c83b | 3590 | |
97fbbaca JL |
3591 | ldemul_create_output_section_statements (); |
3592 | ||
1418c83b | 3593 | /* Add to the hash table all undefineds on the command line */ |
075d7359 | 3594 | lang_place_undefineds (); |
1418c83b SC |
3595 | |
3596 | /* Create a bfd for each input file */ | |
3597 | current_target = default_target; | |
309c8153 | 3598 | open_input_bfds (statement_list.head, false); |
1418c83b | 3599 | |
cc38364d KR |
3600 | ldemul_after_open (); |
3601 | ||
9f19768a ILT |
3602 | /* Make sure that we're not mixing architectures. We call this |
3603 | after all the input files have been opened, but before we do any | |
3604 | other processing, so that any operations merge_private_bfd_data | |
3605 | does on the output file will be known during the rest of the | |
3606 | link. */ | |
3607 | lang_check (); | |
3608 | ||
c477527c ILT |
3609 | /* Build all sets based on the information gathered from the input |
3610 | files. */ | |
3611 | ldctor_build_sets (); | |
3612 | ||
71b012a8 RH |
3613 | /* Remove unreferenced sections if asked to. */ |
3614 | if (command_line.gc_sections) | |
3615 | lang_gc_sections (); | |
3616 | ||
4fdbafb2 ILT |
3617 | /* Size up the common data */ |
3618 | lang_common (); | |
3619 | ||
9f19768a | 3620 | /* Run through the contours of the script and attach input sections |
075d7359 | 3621 | to the correct output sections |
1418c83b | 3622 | */ |
075d7359 SC |
3623 | map_input_to_output_sections (statement_list.head, (char *) NULL, |
3624 | (lang_output_section_statement_type *) NULL); | |
1418c83b | 3625 | |
81016051 | 3626 | |
9f19768a | 3627 | /* Find any sections not attached explicitly and handle them */ |
075d7359 | 3628 | lang_place_orphans (); |
1418c83b | 3629 | |
075d7359 | 3630 | ldemul_before_allocation (); |
1418c83b | 3631 | |
061e65f8 ILT |
3632 | /* We must record the program headers before we try to fix the |
3633 | section positions, since they will affect SIZEOF_HEADERS. */ | |
3634 | lang_record_phdrs (); | |
3635 | ||
c611e285 | 3636 | /* Now run around and relax if we can */ |
075d7359 | 3637 | if (command_line.relax) |
c611e285 | 3638 | { |
97fbbaca JL |
3639 | /* First time round is a trial run to get the 'worst case' |
3640 | addresses of the objects if there was no relaxing. */ | |
ae475b39 | 3641 | lang_size_sections (statement_list.head, |
193c5f93 | 3642 | abs_output_section, |
ae475b39 | 3643 | &(statement_list.head), 0, (bfd_vma) 0, false); |
c611e285 | 3644 | |
193c5f93 ILT |
3645 | /* Keep relaxing until bfd_relax_section gives up. */ |
3646 | do | |
3647 | { | |
1d169acc ILT |
3648 | reset_memory_regions (); |
3649 | ||
193c5f93 | 3650 | relax_again = false; |
ae475b39 | 3651 | |
193c5f93 ILT |
3652 | /* Do all the assignments with our current guesses as to |
3653 | section sizes. */ | |
3654 | lang_do_assignments (statement_list.head, | |
3655 | abs_output_section, | |
3656 | (fill_type) 0, (bfd_vma) 0); | |
ae475b39 | 3657 | |
193c5f93 ILT |
3658 | /* Perform another relax pass - this time we know where the |
3659 | globals are, so can make better guess. */ | |
3660 | lang_size_sections (statement_list.head, | |
3661 | abs_output_section, | |
3662 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
3663 | } | |
3664 | while (relax_again); | |
ae475b39 | 3665 | } |
ae475b39 SC |
3666 | else |
3667 | { | |
97fbbaca | 3668 | /* Size up the sections. */ |
ae475b39 SC |
3669 | lang_size_sections (statement_list.head, |
3670 | abs_output_section, | |
3671 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
075d7359 | 3672 | } |
c611e285 | 3673 | |
1418c83b | 3674 | /* See if anything special should be done now we know how big |
97fbbaca | 3675 | everything is. */ |
075d7359 | 3676 | ldemul_after_allocation (); |
1418c83b | 3677 | |
1d169acc ILT |
3678 | /* Fix any .startof. or .sizeof. symbols. */ |
3679 | lang_set_startof (); | |
3680 | ||
1418c83b SC |
3681 | /* Do all the assignments, now that we know the final restingplaces |
3682 | of all the symbols */ | |
3683 | ||
075d7359 SC |
3684 | lang_do_assignments (statement_list.head, |
3685 | abs_output_section, | |
c477527c | 3686 | (fill_type) 0, (bfd_vma) 0); |
ffc50032 | 3687 | |
1418c83b | 3688 | /* Final stuffs */ |
97fbbaca JL |
3689 | |
3690 | ldemul_finish (); | |
075d7359 | 3691 | lang_finish (); |
2fa0b342 DHW |
3692 | } |
3693 | ||
2fa0b342 | 3694 | /* EXPORTED TO YACC */ |
1418c83b | 3695 | |
2fa0b342 | 3696 | void |
71b012a8 RH |
3697 | lang_add_wild (section_name, sections_sorted, filename, filenames_sorted, |
3698 | keep_sections) | |
26c7ca95 ILT |
3699 | const char *const section_name; |
3700 | boolean sections_sorted; | |
3701 | const char *const filename; | |
3702 | boolean filenames_sorted; | |
71b012a8 | 3703 | boolean keep_sections; |
1418c83b | 3704 | { |
075d7359 SC |
3705 | lang_wild_statement_type *new = new_stat (lang_wild_statement, |
3706 | stat_ptr); | |
1418c83b | 3707 | |
075d7359 SC |
3708 | if (section_name != (char *) NULL && strcmp (section_name, "COMMON") == 0) |
3709 | { | |
3710 | placed_commons = true; | |
3711 | } | |
3712 | if (filename != (char *) NULL) | |
3713 | { | |
3714 | lang_has_input_file = true; | |
3715 | } | |
1418c83b | 3716 | new->section_name = section_name; |
26c7ca95 | 3717 | new->sections_sorted = sections_sorted; |
1418c83b | 3718 | new->filename = filename; |
26c7ca95 | 3719 | new->filenames_sorted = filenames_sorted; |
71b012a8 | 3720 | new->keep_sections = keep_sections; |
075d7359 | 3721 | lang_list_init (&new->children); |
1418c83b | 3722 | } |
075d7359 | 3723 | |
1418c83b | 3724 | void |
8ddef552 DM |
3725 | lang_section_start (name, address) |
3726 | CONST char *name; | |
3727 | etree_type * address; | |
2fa0b342 | 3728 | { |
075d7359 SC |
3729 | lang_address_statement_type *ad = new_stat (lang_address_statement, stat_ptr); |
3730 | ||
2fa0b342 DHW |
3731 | ad->section_name = name; |
3732 | ad->address = address; | |
3733 | } | |
1418c83b | 3734 | |
60e8a534 ILT |
3735 | /* Set the start symbol to NAME. CMDLINE is nonzero if this is called |
3736 | because of a -e argument on the command line, or zero if this is | |
3737 | called by ENTRY in a linker script. Command line arguments take | |
3738 | precedence. */ | |
3739 | ||
075d7359 | 3740 | void |
60e8a534 | 3741 | lang_add_entry (name, cmdline) |
8ddef552 | 3742 | CONST char *name; |
f054ce20 | 3743 | boolean cmdline; |
2fa0b342 | 3744 | { |
60e8a534 ILT |
3745 | if (entry_symbol == NULL |
3746 | || cmdline | |
f054ce20 | 3747 | || ! entry_from_cmdline) |
60e8a534 ILT |
3748 | { |
3749 | entry_symbol = name; | |
f054ce20 | 3750 | entry_from_cmdline = cmdline; |
60e8a534 | 3751 | } |
2fa0b342 DHW |
3752 | } |
3753 | ||
3754 | void | |
8ddef552 DM |
3755 | lang_add_target (name) |
3756 | CONST char *name; | |
2fa0b342 | 3757 | { |
075d7359 SC |
3758 | lang_target_statement_type *new = new_stat (lang_target_statement, |
3759 | stat_ptr); | |
3760 | ||
2fa0b342 DHW |
3761 | new->target = name; |
3762 | ||
3763 | } | |
2fa0b342 | 3764 | |
2fa0b342 | 3765 | void |
8ddef552 DM |
3766 | lang_add_map (name) |
3767 | CONST char *name; | |
2fa0b342 | 3768 | { |
075d7359 SC |
3769 | while (*name) |
3770 | { | |
3771 | switch (*name) | |
3772 | { | |
3773 | case 'F': | |
3774 | map_option_f = true; | |
3775 | break; | |
3776 | } | |
3777 | name++; | |
2fa0b342 | 3778 | } |
2fa0b342 DHW |
3779 | } |
3780 | ||
075d7359 | 3781 | void |
8ddef552 DM |
3782 | lang_add_fill (exp) |
3783 | int exp; | |
2fa0b342 | 3784 | { |
075d7359 SC |
3785 | lang_fill_statement_type *new = new_stat (lang_fill_statement, |
3786 | stat_ptr); | |
3787 | ||
2fa0b342 DHW |
3788 | new->fill = exp; |
3789 | } | |
3790 | ||
075d7359 | 3791 | void |
8ddef552 DM |
3792 | lang_add_data (type, exp) |
3793 | int type; | |
3794 | union etree_union *exp; | |
2fa0b342 DHW |
3795 | { |
3796 | ||
075d7359 | 3797 | lang_data_statement_type *new = new_stat (lang_data_statement, |
2fa0b342 | 3798 | stat_ptr); |
075d7359 SC |
3799 | |
3800 | new->exp = exp; | |
3801 | new->type = type; | |
2fa0b342 DHW |
3802 | |
3803 | } | |
075d7359 | 3804 | |
4fdbafb2 ILT |
3805 | /* Create a new reloc statement. RELOC is the BFD relocation type to |
3806 | generate. HOWTO is the corresponding howto structure (we could | |
3807 | look this up, but the caller has already done so). SECTION is the | |
3808 | section to generate a reloc against, or NAME is the name of the | |
3809 | symbol to generate a reloc against. Exactly one of SECTION and | |
3810 | NAME must be NULL. ADDEND is an expression for the addend. */ | |
3811 | ||
3812 | void | |
3813 | lang_add_reloc (reloc, howto, section, name, addend) | |
3814 | bfd_reloc_code_real_type reloc; | |
cc38364d | 3815 | reloc_howto_type *howto; |
4fdbafb2 ILT |
3816 | asection *section; |
3817 | const char *name; | |
3818 | union etree_union *addend; | |
3819 | { | |
3820 | lang_reloc_statement_type *p = new_stat (lang_reloc_statement, stat_ptr); | |
3821 | ||
3822 | p->reloc = reloc; | |
3823 | p->howto = howto; | |
3824 | p->section = section; | |
3825 | p->name = name; | |
3826 | p->addend_exp = addend; | |
3827 | ||
3828 | p->addend_value = 0; | |
3829 | p->output_section = NULL; | |
3830 | p->output_vma = 0; | |
3831 | } | |
3832 | ||
2fa0b342 | 3833 | void |
8ddef552 DM |
3834 | lang_add_assignment (exp) |
3835 | etree_type * exp; | |
2fa0b342 | 3836 | { |
075d7359 SC |
3837 | lang_assignment_statement_type *new = new_stat (lang_assignment_statement, |
3838 | stat_ptr); | |
3839 | ||
2fa0b342 DHW |
3840 | new->exp = exp; |
3841 | } | |
3842 | ||
3843 | void | |
8ddef552 DM |
3844 | lang_add_attribute (attribute) |
3845 | enum statement_enum attribute; | |
2fa0b342 | 3846 | { |
075d7359 | 3847 | new_statement (attribute, sizeof (lang_statement_union_type), stat_ptr); |
2fa0b342 DHW |
3848 | } |
3849 | ||
075d7359 | 3850 | void |
8ddef552 DM |
3851 | lang_startup (name) |
3852 | CONST char *name; | |
2fa0b342 | 3853 | { |
075d7359 SC |
3854 | if (startup_file != (char *) NULL) |
3855 | { | |
26c7ca95 | 3856 | einfo (_("%P%Fmultiple STARTUP files\n")); |
075d7359 | 3857 | } |
2fa0b342 DHW |
3858 | first_file->filename = name; |
3859 | first_file->local_sym_name = name; | |
193c5f93 | 3860 | first_file->real = true; |
2fa0b342 | 3861 | |
075d7359 | 3862 | startup_file = name; |
2fa0b342 | 3863 | } |
075d7359 SC |
3864 | |
3865 | void | |
8ddef552 DM |
3866 | lang_float (maybe) |
3867 | boolean maybe; | |
2fa0b342 DHW |
3868 | { |
3869 | lang_float_flag = maybe; | |
3870 | } | |
3871 | ||
075d7359 | 3872 | void |
d22ec3b0 | 3873 | lang_leave_output_section_statement (fill, memspec, phdrs) |
8ddef552 | 3874 | bfd_vma fill; |
d22ec3b0 ILT |
3875 | const char *memspec; |
3876 | struct lang_output_section_phdr_list *phdrs; | |
2fa0b342 DHW |
3877 | { |
3878 | current_section->fill = fill; | |
075d7359 | 3879 | current_section->region = lang_memory_region_lookup (memspec); |
d22ec3b0 | 3880 | current_section->phdrs = phdrs; |
2fa0b342 DHW |
3881 | stat_ptr = &statement_list; |
3882 | } | |
075d7359 | 3883 | |
9f32f7c2 SC |
3884 | /* |
3885 | Create an absolute symbol with the given name with the value of the | |
3886 | address of first byte of the section named. | |
2fa0b342 | 3887 | |
9f32f7c2 SC |
3888 | If the symbol already exists, then do nothing. |
3889 | */ | |
8cb5eb31 | 3890 | void |
c477527c ILT |
3891 | lang_abs_symbol_at_beginning_of (secname, name) |
3892 | const char *secname; | |
3893 | const char *name; | |
075d7359 | 3894 | { |
c477527c ILT |
3895 | struct bfd_link_hash_entry *h; |
3896 | ||
3897 | h = bfd_link_hash_lookup (link_info.hash, name, true, true, true); | |
3898 | if (h == (struct bfd_link_hash_entry *) NULL) | |
26c7ca95 | 3899 | einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); |
c477527c ILT |
3900 | |
3901 | if (h->type == bfd_link_hash_new | |
3902 | || h->type == bfd_link_hash_undefined) | |
075d7359 | 3903 | { |
c477527c | 3904 | asection *sec; |
075d7359 | 3905 | |
c477527c ILT |
3906 | h->type = bfd_link_hash_defined; |
3907 | ||
3908 | sec = bfd_get_section_by_name (output_bfd, secname); | |
3909 | if (sec == (asection *) NULL) | |
3910 | h->u.def.value = 0; | |
075d7359 | 3911 | else |
c477527c ILT |
3912 | h->u.def.value = bfd_get_section_vma (output_bfd, sec); |
3913 | ||
686739e2 | 3914 | h->u.def.section = bfd_abs_section_ptr; |
9f32f7c2 | 3915 | } |
8cb5eb31 SC |
3916 | } |
3917 | ||
9f32f7c2 SC |
3918 | /* |
3919 | Create an absolute symbol with the given name with the value of the | |
3920 | address of the first byte after the end of the section named. | |
3921 | ||
3922 | If the symbol already exists, then do nothing. | |
3923 | */ | |
2fa0b342 | 3924 | void |
c477527c ILT |
3925 | lang_abs_symbol_at_end_of (secname, name) |
3926 | const char *secname; | |
3927 | const char *name; | |
075d7359 | 3928 | { |
c477527c ILT |
3929 | struct bfd_link_hash_entry *h; |
3930 | ||
3931 | h = bfd_link_hash_lookup (link_info.hash, name, true, true, true); | |
3932 | if (h == (struct bfd_link_hash_entry *) NULL) | |
26c7ca95 | 3933 | einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); |
c477527c ILT |
3934 | |
3935 | if (h->type == bfd_link_hash_new | |
3936 | || h->type == bfd_link_hash_undefined) | |
075d7359 | 3937 | { |
c477527c | 3938 | asection *sec; |
075d7359 | 3939 | |
c477527c | 3940 | h->type = bfd_link_hash_defined; |
075d7359 | 3941 | |
c477527c ILT |
3942 | sec = bfd_get_section_by_name (output_bfd, secname); |
3943 | if (sec == (asection *) NULL) | |
3944 | h->u.def.value = 0; | |
075d7359 | 3945 | else |
c477527c ILT |
3946 | h->u.def.value = (bfd_get_section_vma (output_bfd, sec) |
3947 | + bfd_section_size (output_bfd, sec)); | |
3948 | ||
686739e2 | 3949 | h->u.def.section = bfd_abs_section_ptr; |
9f32f7c2 | 3950 | } |
2fa0b342 DHW |
3951 | } |
3952 | ||
075d7359 | 3953 | void |
8ddef552 DM |
3954 | lang_statement_append (list, element, field) |
3955 | lang_statement_list_type * list; | |
3956 | lang_statement_union_type * element; | |
3957 | lang_statement_union_type ** field; | |
2fa0b342 DHW |
3958 | { |
3959 | *(list->tail) = element; | |
3960 | list->tail = field; | |
3961 | } | |
3962 | ||
173a0c3d | 3963 | /* Set the output format type. -oformat overrides scripts. */ |
6a02a973 | 3964 | |
097879bc | 3965 | void |
6a02a973 ILT |
3966 | lang_add_output_format (format, big, little, from_script) |
3967 | const char *format; | |
3968 | const char *big; | |
3969 | const char *little; | |
173a0c3d | 3970 | int from_script; |
097879bc | 3971 | { |
2c6635a4 | 3972 | if (output_target == NULL || !from_script) |
6a02a973 ILT |
3973 | { |
3974 | if (command_line.endian == ENDIAN_BIG | |
3975 | && big != NULL) | |
3976 | format = big; | |
3977 | else if (command_line.endian == ENDIAN_LITTLE | |
3978 | && little != NULL) | |
3979 | format = little; | |
3980 | ||
3981 | output_target = format; | |
3982 | } | |
097879bc | 3983 | } |
309c8153 ILT |
3984 | |
3985 | /* Enter a group. This creates a new lang_group_statement, and sets | |
3986 | stat_ptr to build new statements within the group. */ | |
3987 | ||
3988 | void | |
3989 | lang_enter_group () | |
3990 | { | |
3991 | lang_group_statement_type *g; | |
3992 | ||
3993 | g = new_stat (lang_group_statement, stat_ptr); | |
3994 | lang_list_init (&g->children); | |
3995 | stat_ptr = &g->children; | |
3996 | } | |
3997 | ||
3998 | /* Leave a group. This just resets stat_ptr to start writing to the | |
3999 | regular list of statements again. Note that this will not work if | |
4000 | groups can occur inside anything else which can adjust stat_ptr, | |
4001 | but currently they can't. */ | |
4002 | ||
4003 | void | |
4004 | lang_leave_group () | |
4005 | { | |
4006 | stat_ptr = &statement_list; | |
4007 | } | |
061e65f8 ILT |
4008 | |
4009 | /* Add a new program header. This is called for each entry in a PHDRS | |
4010 | command in a linker script. */ | |
4011 | ||
4012 | void | |
708f7fbc | 4013 | lang_new_phdr (name, type, filehdr, phdrs, at, flags) |
061e65f8 ILT |
4014 | const char *name; |
4015 | etree_type *type; | |
708f7fbc ILT |
4016 | boolean filehdr; |
4017 | boolean phdrs; | |
061e65f8 | 4018 | etree_type *at; |
708f7fbc | 4019 | etree_type *flags; |
061e65f8 ILT |
4020 | { |
4021 | struct lang_phdr *n, **pp; | |
4022 | ||
4023 | n = (struct lang_phdr *) stat_alloc (sizeof (struct lang_phdr)); | |
4024 | n->next = NULL; | |
4025 | n->name = name; | |
4026 | n->type = exp_get_value_int (type, 0, "program header type", | |
4027 | lang_final_phase_enum); | |
708f7fbc ILT |
4028 | n->filehdr = filehdr; |
4029 | n->phdrs = phdrs; | |
061e65f8 | 4030 | n->at = at; |
708f7fbc | 4031 | n->flags = flags; |
061e65f8 ILT |
4032 | |
4033 | for (pp = &lang_phdr_list; *pp != NULL; pp = &(*pp)->next) | |
4034 | ; | |
4035 | *pp = n; | |
4036 | } | |
4037 | ||
061e65f8 ILT |
4038 | /* Record the program header information in the output BFD. FIXME: We |
4039 | should not be calling an ELF specific function here. */ | |
4040 | ||
4041 | static void | |
4042 | lang_record_phdrs () | |
4043 | { | |
4044 | unsigned int alc; | |
4045 | asection **secs; | |
4046 | struct lang_output_section_phdr_list *last; | |
4047 | struct lang_phdr *l; | |
4048 | lang_statement_union_type *u; | |
4049 | ||
4050 | alc = 10; | |
c5a0d31a | 4051 | secs = (asection **) xmalloc (alc * sizeof (asection *)); |
061e65f8 ILT |
4052 | last = NULL; |
4053 | for (l = lang_phdr_list; l != NULL; l = l->next) | |
4054 | { | |
4055 | unsigned int c; | |
708f7fbc | 4056 | flagword flags; |
061e65f8 ILT |
4057 | bfd_vma at; |
4058 | ||
4059 | c = 0; | |
4060 | for (u = lang_output_section_statement.head; | |
4061 | u != NULL; | |
4062 | u = u->output_section_statement.next) | |
4063 | { | |
4064 | lang_output_section_statement_type *os; | |
4065 | struct lang_output_section_phdr_list *pl; | |
4066 | ||
4067 | os = &u->output_section_statement; | |
4068 | ||
708f7fbc | 4069 | pl = os->phdrs; |
061e65f8 ILT |
4070 | if (pl != NULL) |
4071 | last = pl; | |
4072 | else | |
4073 | { | |
86bc0974 | 4074 | if (os->sectype == noload_section |
061e65f8 ILT |
4075 | || os->bfd_section == NULL |
4076 | || (os->bfd_section->flags & SEC_ALLOC) == 0) | |
4077 | continue; | |
4078 | pl = last; | |
4079 | } | |
4080 | ||
4081 | if (os->bfd_section == NULL) | |
4082 | continue; | |
4083 | ||
4084 | for (; pl != NULL; pl = pl->next) | |
4085 | { | |
4086 | if (strcmp (pl->name, l->name) == 0) | |
4087 | { | |
4088 | if (c >= alc) | |
4089 | { | |
4090 | alc *= 2; | |
c5a0d31a ILT |
4091 | secs = ((asection **) |
4092 | xrealloc (secs, alc * sizeof (asection *))); | |
061e65f8 ILT |
4093 | } |
4094 | secs[c] = os->bfd_section; | |
4095 | ++c; | |
4096 | pl->used = true; | |
4097 | } | |
4098 | } | |
4099 | } | |
4100 | ||
708f7fbc ILT |
4101 | if (l->flags == NULL) |
4102 | flags = 0; | |
4103 | else | |
4104 | flags = exp_get_vma (l->flags, 0, "phdr flags", | |
4105 | lang_final_phase_enum); | |
4106 | ||
061e65f8 ILT |
4107 | if (l->at == NULL) |
4108 | at = 0; | |
4109 | else | |
4110 | at = exp_get_vma (l->at, 0, "phdr load address", | |
4111 | lang_final_phase_enum); | |
708f7fbc ILT |
4112 | |
4113 | if (! bfd_record_phdr (output_bfd, l->type, | |
4114 | l->flags == NULL ? false : true, | |
4115 | flags, | |
061e65f8 | 4116 | l->at == NULL ? false : true, |
708f7fbc | 4117 | at, l->filehdr, l->phdrs, c, secs)) |
26c7ca95 | 4118 | einfo (_("%F%P: bfd_record_phdr failed: %E\n")); |
061e65f8 ILT |
4119 | } |
4120 | ||
4121 | free (secs); | |
4122 | ||
4123 | /* Make sure all the phdr assignments succeeded. */ | |
4124 | for (u = lang_output_section_statement.head; | |
4125 | u != NULL; | |
4126 | u = u->output_section_statement.next) | |
4127 | { | |
4128 | struct lang_output_section_phdr_list *pl; | |
4129 | ||
4130 | if (u->output_section_statement.bfd_section == NULL) | |
4131 | continue; | |
4132 | ||
4133 | for (pl = u->output_section_statement.phdrs; | |
4134 | pl != NULL; | |
4135 | pl = pl->next) | |
4136 | if (! pl->used && strcmp (pl->name, "NONE") != 0) | |
26c7ca95 | 4137 | einfo (_("%X%P: section `%s' assigned to non-existent phdr `%s'\n"), |
061e65f8 ILT |
4138 | u->output_section_statement.name, pl->name); |
4139 | } | |
4140 | } | |
582dd77f ILT |
4141 | |
4142 | /* Record a list of sections which may not be cross referenced. */ | |
4143 | ||
4144 | void | |
4145 | lang_add_nocrossref (l) | |
4146 | struct lang_nocrossref *l; | |
4147 | { | |
4148 | struct lang_nocrossrefs *n; | |
4149 | ||
4150 | n = (struct lang_nocrossrefs *) xmalloc (sizeof *n); | |
4151 | n->next = nocrossref_list; | |
4152 | n->list = l; | |
4153 | nocrossref_list = n; | |
4154 | ||
4155 | /* Set notice_all so that we get informed about all symbols. */ | |
4156 | link_info.notice_all = true; | |
4157 | } | |
d22ec3b0 ILT |
4158 | \f |
4159 | /* Overlay handling. We handle overlays with some static variables. */ | |
4160 | ||
4161 | /* The overlay virtual address. */ | |
4162 | static etree_type *overlay_vma; | |
4163 | ||
4164 | /* The overlay load address. */ | |
4165 | static etree_type *overlay_lma; | |
4166 | ||
c5a0d31a ILT |
4167 | /* Whether nocrossrefs is set for this overlay. */ |
4168 | static int overlay_nocrossrefs; | |
4169 | ||
d22ec3b0 ILT |
4170 | /* An expression for the maximum section size seen so far. */ |
4171 | static etree_type *overlay_max; | |
4172 | ||
4173 | /* A list of all the sections in this overlay. */ | |
4174 | ||
4175 | struct overlay_list | |
4176 | { | |
4177 | struct overlay_list *next; | |
4178 | lang_output_section_statement_type *os; | |
4179 | }; | |
4180 | ||
4181 | static struct overlay_list *overlay_list; | |
4182 | ||
4183 | /* Start handling an overlay. */ | |
4184 | ||
4185 | void | |
c5a0d31a | 4186 | lang_enter_overlay (vma_expr, lma_expr, nocrossrefs) |
d22ec3b0 ILT |
4187 | etree_type *vma_expr; |
4188 | etree_type *lma_expr; | |
c5a0d31a | 4189 | int nocrossrefs; |
d22ec3b0 ILT |
4190 | { |
4191 | /* The grammar should prevent nested overlays from occurring. */ | |
4192 | ASSERT (overlay_vma == NULL | |
4193 | && overlay_lma == NULL | |
4194 | && overlay_list == NULL | |
4195 | && overlay_max == NULL); | |
4196 | ||
4197 | overlay_vma = vma_expr; | |
4198 | overlay_lma = lma_expr; | |
c5a0d31a | 4199 | overlay_nocrossrefs = nocrossrefs; |
d22ec3b0 ILT |
4200 | } |
4201 | ||
4202 | /* Start a section in an overlay. We handle this by calling | |
4203 | lang_enter_output_section_statement with the correct VMA and LMA. */ | |
4204 | ||
4205 | void | |
4206 | lang_enter_overlay_section (name) | |
4207 | const char *name; | |
4208 | { | |
4209 | struct overlay_list *n; | |
4210 | etree_type *size; | |
4211 | ||
4212 | lang_enter_output_section_statement (name, overlay_vma, normal_section, | |
4213 | 0, 0, 0, overlay_lma); | |
4214 | ||
4215 | /* If this is the first section, then base the VMA and LMA of future | |
4216 | sections on this one. This will work correctly even if `.' is | |
4217 | used in the addresses. */ | |
4218 | if (overlay_list == NULL) | |
4219 | { | |
4220 | overlay_vma = exp_nameop (ADDR, name); | |
4221 | overlay_lma = exp_nameop (LOADADDR, name); | |
4222 | } | |
4223 | ||
4224 | /* Remember the section. */ | |
4225 | n = (struct overlay_list *) xmalloc (sizeof *n); | |
4226 | n->os = current_section; | |
4227 | n->next = overlay_list; | |
4228 | overlay_list = n; | |
4229 | ||
4230 | size = exp_nameop (SIZEOF, name); | |
4231 | ||
4232 | /* Adjust the LMA for the next section. */ | |
4233 | overlay_lma = exp_binop ('+', overlay_lma, size); | |
4234 | ||
4235 | /* Arrange to work out the maximum section end address. */ | |
4236 | if (overlay_max == NULL) | |
4237 | overlay_max = size; | |
4238 | else | |
4239 | overlay_max = exp_binop (MAX, overlay_max, size); | |
4240 | } | |
4241 | ||
4242 | /* Finish a section in an overlay. There isn't any special to do | |
4243 | here. */ | |
4244 | ||
4245 | void | |
4246 | lang_leave_overlay_section (fill, phdrs) | |
4247 | bfd_vma fill; | |
4248 | struct lang_output_section_phdr_list *phdrs; | |
4249 | { | |
4250 | const char *name; | |
4251 | char *clean, *s2; | |
4252 | const char *s1; | |
4253 | char *buf; | |
4254 | ||
4255 | name = current_section->name; | |
4256 | ||
4257 | lang_leave_output_section_statement (fill, "*default*", phdrs); | |
4258 | ||
4259 | /* Define the magic symbols. */ | |
4260 | ||
4261 | clean = xmalloc (strlen (name) + 1); | |
4262 | s2 = clean; | |
4263 | for (s1 = name; *s1 != '\0'; s1++) | |
26c61946 | 4264 | if (isalnum ((unsigned char) *s1) || *s1 == '_') |
d22ec3b0 ILT |
4265 | *s2++ = *s1; |
4266 | *s2 = '\0'; | |
4267 | ||
4268 | buf = xmalloc (strlen (clean) + sizeof "__load_start_"); | |
4269 | sprintf (buf, "__load_start_%s", clean); | |
4270 | lang_add_assignment (exp_assop ('=', buf, | |
4271 | exp_nameop (LOADADDR, name))); | |
4272 | ||
4273 | buf = xmalloc (strlen (clean) + sizeof "__load_stop_"); | |
4274 | sprintf (buf, "__load_stop_%s", clean); | |
4275 | lang_add_assignment (exp_assop ('=', buf, | |
4276 | exp_binop ('+', | |
4277 | exp_nameop (LOADADDR, name), | |
4278 | exp_nameop (SIZEOF, name)))); | |
4279 | ||
4280 | free (clean); | |
4281 | } | |
4282 | ||
4283 | /* Finish an overlay. If there are any overlay wide settings, this | |
4284 | looks through all the sections in the overlay and sets them. */ | |
4285 | ||
4286 | void | |
4287 | lang_leave_overlay (fill, memspec, phdrs) | |
4288 | bfd_vma fill; | |
4289 | const char *memspec; | |
4290 | struct lang_output_section_phdr_list *phdrs; | |
4291 | { | |
4292 | lang_memory_region_type *region; | |
4293 | struct overlay_list *l; | |
4294 | struct lang_nocrossref *nocrossref; | |
4295 | ||
4296 | if (memspec == NULL) | |
4297 | region = NULL; | |
4298 | else | |
4299 | region = lang_memory_region_lookup (memspec); | |
4300 | ||
4301 | nocrossref = NULL; | |
4302 | ||
4303 | l = overlay_list; | |
4304 | while (l != NULL) | |
4305 | { | |
d22ec3b0 ILT |
4306 | struct overlay_list *next; |
4307 | ||
4308 | if (fill != 0 && l->os->fill == 0) | |
4309 | l->os->fill = fill; | |
4310 | if (region != NULL && l->os->region == NULL) | |
4311 | l->os->region = region; | |
4312 | if (phdrs != NULL && l->os->phdrs == NULL) | |
4313 | l->os->phdrs = phdrs; | |
4314 | ||
c5a0d31a ILT |
4315 | if (overlay_nocrossrefs) |
4316 | { | |
4317 | struct lang_nocrossref *nc; | |
4318 | ||
4319 | nc = (struct lang_nocrossref *) xmalloc (sizeof *nc); | |
4320 | nc->name = l->os->name; | |
4321 | nc->next = nocrossref; | |
4322 | nocrossref = nc; | |
4323 | } | |
d22ec3b0 ILT |
4324 | |
4325 | next = l->next; | |
4326 | free (l); | |
4327 | l = next; | |
4328 | } | |
4329 | ||
4330 | if (nocrossref != NULL) | |
4331 | lang_add_nocrossref (nocrossref); | |
4332 | ||
4333 | /* Update . for the end of the overlay. */ | |
4334 | lang_add_assignment (exp_assop ('=', ".", | |
4335 | exp_binop ('+', overlay_vma, overlay_max))); | |
4336 | ||
4337 | overlay_vma = NULL; | |
4338 | overlay_lma = NULL; | |
c5a0d31a | 4339 | overlay_nocrossrefs = 0; |
d22ec3b0 ILT |
4340 | overlay_list = NULL; |
4341 | overlay_max = NULL; | |
4342 | } | |
c5a0d31a ILT |
4343 | \f |
4344 | /* Version handling. This is only useful for ELF. */ | |
4345 | ||
4346 | /* This global variable holds the version tree that we build. */ | |
4347 | ||
4348 | struct bfd_elf_version_tree *lang_elf_version_info; | |
4349 | ||
4350 | /* This is called for each variable name or match expression. */ | |
4351 | ||
4352 | struct bfd_elf_version_expr * | |
4353 | lang_new_vers_regex (orig, new) | |
4354 | struct bfd_elf_version_expr *orig; | |
4355 | const char *new; | |
4356 | { | |
4357 | struct bfd_elf_version_expr *ret; | |
4358 | ||
4359 | ret = (struct bfd_elf_version_expr *) xmalloc (sizeof *ret); | |
4360 | ret->next = orig; | |
4361 | ret->match = new; | |
4362 | return ret; | |
4363 | } | |
4364 | ||
4365 | /* This is called for each set of variable names and match | |
4366 | expressions. */ | |
4367 | ||
4368 | struct bfd_elf_version_tree * | |
4369 | lang_new_vers_node (globals, locals) | |
4370 | struct bfd_elf_version_expr *globals; | |
4371 | struct bfd_elf_version_expr *locals; | |
4372 | { | |
4373 | struct bfd_elf_version_tree *ret; | |
4374 | ||
4375 | ret = (struct bfd_elf_version_tree *) xmalloc (sizeof *ret); | |
4376 | ret->next = NULL; | |
4377 | ret->name = NULL; | |
4378 | ret->vernum = 0; | |
4379 | ret->globals = globals; | |
4380 | ret->locals = locals; | |
4381 | ret->deps = NULL; | |
4382 | ret->name_indx = (unsigned int) -1; | |
4383 | ret->used = 0; | |
4384 | return ret; | |
4385 | } | |
4386 | ||
4387 | /* This static variable keeps track of version indices. */ | |
4388 | ||
4389 | static int version_index; | |
4390 | ||
4391 | /* This is called when we know the name and dependencies of the | |
4392 | version. */ | |
4393 | ||
4394 | void | |
4395 | lang_register_vers_node (name, version, deps) | |
4396 | const char *name; | |
4397 | struct bfd_elf_version_tree *version; | |
4398 | struct bfd_elf_version_deps *deps; | |
4399 | { | |
4400 | struct bfd_elf_version_tree *t, **pp; | |
4401 | struct bfd_elf_version_expr *e1; | |
4402 | ||
4403 | /* Make sure this node has a unique name. */ | |
4404 | for (t = lang_elf_version_info; t != NULL; t = t->next) | |
4405 | if (strcmp (t->name, name) == 0) | |
26c7ca95 | 4406 | einfo (_("%X%P: duplicate version tag `%s'\n"), name); |
c5a0d31a ILT |
4407 | |
4408 | /* Check the global and local match names, and make sure there | |
4409 | aren't any duplicates. */ | |
4410 | ||
4411 | for (e1 = version->globals; e1 != NULL; e1 = e1->next) | |
4412 | { | |
4413 | for (t = lang_elf_version_info; t != NULL; t = t->next) | |
4414 | { | |
4415 | struct bfd_elf_version_expr *e2; | |
4416 | ||
c5a0d31a ILT |
4417 | for (e2 = t->locals; e2 != NULL; e2 = e2->next) |
4418 | if (strcmp (e1->match, e2->match) == 0) | |
26c7ca95 | 4419 | einfo (_("%X%P: duplicate expression `%s' in version information\n"), |
c5a0d31a ILT |
4420 | e1->match); |
4421 | } | |
4422 | } | |
4423 | ||
4424 | for (e1 = version->locals; e1 != NULL; e1 = e1->next) | |
4425 | { | |
4426 | for (t = lang_elf_version_info; t != NULL; t = t->next) | |
4427 | { | |
4428 | struct bfd_elf_version_expr *e2; | |
4429 | ||
4430 | for (e2 = t->globals; e2 != NULL; e2 = e2->next) | |
4431 | if (strcmp (e1->match, e2->match) == 0) | |
26c7ca95 | 4432 | einfo (_("%X%P: duplicate expression `%s' in version information\n"), |
c5a0d31a | 4433 | e1->match); |
c5a0d31a ILT |
4434 | } |
4435 | } | |
4436 | ||
4437 | version->deps = deps; | |
4438 | version->name = name; | |
4439 | ++version_index; | |
4440 | version->vernum = version_index; | |
4441 | ||
4442 | for (pp = &lang_elf_version_info; *pp != NULL; pp = &(*pp)->next) | |
4443 | ; | |
4444 | *pp = version; | |
4445 | } | |
4446 | ||
4447 | /* This is called when we see a version dependency. */ | |
4448 | ||
4449 | struct bfd_elf_version_deps * | |
4450 | lang_add_vers_depend (list, name) | |
4451 | struct bfd_elf_version_deps *list; | |
4452 | const char *name; | |
4453 | { | |
4454 | struct bfd_elf_version_deps *ret; | |
4455 | struct bfd_elf_version_tree *t; | |
4456 | ||
4457 | ret = (struct bfd_elf_version_deps *) xmalloc (sizeof *ret); | |
4458 | ret->next = list; | |
4459 | ||
4460 | for (t = lang_elf_version_info; t != NULL; t = t->next) | |
4461 | { | |
4462 | if (strcmp (t->name, name) == 0) | |
4463 | { | |
4464 | ret->version_needed = t; | |
4465 | return ret; | |
4466 | } | |
4467 | } | |
4468 | ||
26c7ca95 | 4469 | einfo (_("%X%P: unable to find version dependency `%s'\n"), name); |
c5a0d31a ILT |
4470 | |
4471 | return ret; | |
4472 | } |