Commit | Line | Data |
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2fa0b342 DHW |
1 | /* Copyright (C) 1991 Free Software Foundation, Inc. |
2 | ||
3 | This file is part of GLD, the Gnu Linker. | |
4 | ||
5 | GLD is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 1, or (at your option) | |
8 | any later version. | |
9 | ||
10 | GLD is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with GLD; see the file COPYING. If not, write to | |
17 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
18 | ||
19 | /* $Id$ | |
20 | * | |
2fa0b342 DHW |
21 | */ |
22 | ||
23 | ||
24 | ||
25 | #include "sysdep.h" | |
26 | #include "bfd.h" | |
27 | ||
28 | #include "ld.h" | |
29 | #include "ldmain.h" | |
30 | #include "ldsym.h" | |
7bc4a0d7 | 31 | #include "ldgram.h" |
3f8d46e7 | 32 | |
2fa0b342 DHW |
33 | #include "ldlang.h" |
34 | #include "ldexp.h" | |
8c514453 | 35 | #include "ldemul.h" |
2fa0b342 | 36 | #include "ldlex.h" |
3f8d46e7 | 37 | #include "ldmisc.h" |
2fa0b342 DHW |
38 | /* FORWARDS */ |
39 | PROTO(static void, print_statements,(void)); | |
40 | PROTO(static void, print_statement,(lang_statement_union_type *, | |
41 | lang_output_section_statement_type *)); | |
42 | ||
43 | ||
d4c02e29 SC |
44 | /* LOCALS */ |
45 | static CONST char *startup_file; | |
46 | static lang_statement_list_type input_file_chain; | |
47 | static boolean placed_commons = false; | |
48 | static lang_output_section_statement_type *default_common_section; | |
49 | static boolean map_option_f; | |
50 | static bfd_vma print_dot; | |
51 | static lang_input_statement_type *first_file; | |
52 | static lang_statement_list_type lang_output_section_statement; | |
53 | static CONST char *current_target; | |
54 | static CONST char *output_target; | |
55 | static size_t longest_section_name = 8; | |
56 | static asection common_section; | |
57 | static section_userdata_type common_section_userdata; | |
58 | static lang_statement_list_type statement_list; | |
2fa0b342 | 59 | /* EXPORTS */ |
2fa0b342 | 60 | |
d4c02e29 SC |
61 | lang_statement_list_type *stat_ptr = &statement_list; |
62 | lang_input_statement_type *script_file = 0; | |
63 | boolean option_longmap = false; | |
64 | lang_statement_list_type file_chain = {0}; | |
65 | CONST char *entry_symbol = 0; | |
3f8d46e7 | 66 | bfd_size_type largest_section = 0; |
d4c02e29 SC |
67 | boolean lang_has_input_file = false; |
68 | lang_output_section_statement_type *create_object_symbols = 0; | |
69 | boolean had_output_filename = false; | |
70 | boolean lang_float_flag = false; | |
71 | /* IMPORTS */ | |
72 | extern char *default_target; | |
2fa0b342 | 73 | |
d4c02e29 SC |
74 | extern unsigned int undefined_global_sym_count; |
75 | extern char *current_file; | |
2fa0b342 | 76 | extern bfd *output_bfd; |
2fa0b342 DHW |
77 | extern enum bfd_architecture ldfile_output_architecture; |
78 | extern unsigned long ldfile_output_machine; | |
79 | extern char *ldfile_output_machine_name; | |
2fa0b342 | 80 | extern ldsym_type *symbol_head; |
d4c02e29 | 81 | extern unsigned int commons_pending; |
2fa0b342 DHW |
82 | extern args_type command_line; |
83 | extern ld_config_type config; | |
2fa0b342 | 84 | extern boolean had_script; |
2fa0b342 DHW |
85 | extern boolean write_map; |
86 | ||
87 | ||
2fa0b342 DHW |
88 | #ifdef __STDC__ |
89 | #define cat(a,b) a##b | |
90 | #else | |
91 | #define cat(a,b) a/**/b | |
92 | #endif | |
93 | ||
94 | #define new_stat(x,y) (cat(x,_type)*) new_statement(cat(x,_enum), sizeof(cat(x,_type)),y) | |
95 | ||
96 | #define outside_section_address(q) ( (q)->output_offset + (q)->output_section->vma) | |
97 | ||
98 | #define outside_symbol_address(q) ((q)->value + outside_section_address(q->section)) | |
99 | ||
3f8d46e7 JG |
100 | static void |
101 | DEFUN(print_size,(value), | |
102 | size_t value) | |
103 | { | |
104 | printf("%5x", (unsigned)value); | |
105 | } | |
106 | static void | |
107 | DEFUN(print_alignment,(value), | |
108 | unsigned int value) | |
109 | { | |
48491e2e | 110 | printf("2**%1u",value); |
3f8d46e7 JG |
111 | } |
112 | static void | |
113 | DEFUN(print_fill,(value), | |
114 | fill_type value) | |
115 | { | |
116 | printf("%04x",(unsigned)value); | |
117 | } | |
118 | ||
d4c02e29 | 119 | |
3f8d46e7 JG |
120 | static void |
121 | DEFUN(print_section,(name), | |
122 | CONST char *CONST name) | |
123 | { | |
124 | printf("%*s", -longest_section_name, name); | |
125 | } | |
2fa0b342 | 126 | |
1418c83b SC |
127 | /*---------------------------------------------------------------------- |
128 | lang_for_each_statement walks the parse tree and calls the provided | |
129 | function for each node | |
130 | */ | |
131 | ||
132 | static void | |
133 | DEFUN(lang_for_each_statement_worker,(func, s), | |
134 | void (*func)() AND | |
135 | lang_statement_union_type *s) | |
136 | { | |
137 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
138 | { | |
139 | func(s); | |
140 | ||
141 | switch (s->header.type) { | |
142 | case lang_output_section_statement_enum: | |
143 | lang_for_each_statement_worker | |
144 | (func, | |
145 | s->output_section_statement.children.head); | |
146 | break; | |
147 | case lang_wild_statement_enum: | |
148 | lang_for_each_statement_worker | |
149 | (func, | |
150 | s->wild_statement.children.head); | |
151 | break; | |
152 | case lang_data_statement_enum: | |
153 | case lang_object_symbols_statement_enum: | |
154 | case lang_output_statement_enum: | |
155 | case lang_target_statement_enum: | |
156 | case lang_input_section_enum: | |
157 | case lang_input_statement_enum: | |
158 | case lang_fill_statement_enum: | |
159 | case lang_assignment_statement_enum: | |
160 | case lang_padding_statement_enum: | |
161 | case lang_address_statement_enum: | |
162 | break; | |
163 | default: | |
164 | FAIL(); | |
165 | break; | |
166 | } | |
167 | } | |
168 | } | |
169 | ||
170 | void | |
171 | DEFUN(lang_for_each_statement,(func), | |
172 | void (*func)()) | |
173 | { | |
174 | lang_for_each_statement_worker(func, | |
175 | statement_list.head); | |
176 | } | |
177 | /*----------------------------------------------------------------------*/ | |
178 | static void | |
179 | DEFUN(lang_list_init,(list), | |
180 | lang_statement_list_type *list) | |
2fa0b342 DHW |
181 | { |
182 | list->head = (lang_statement_union_type *)NULL; | |
183 | list->tail = &list->head; | |
184 | } | |
185 | ||
2fa0b342 | 186 | |
1418c83b SC |
187 | /*---------------------------------------------------------------------- |
188 | ||
189 | build a new statement node for the parse tree | |
190 | ||
191 | */ | |
2fa0b342 DHW |
192 | |
193 | static | |
1418c83b SC |
194 | lang_statement_union_type* |
195 | DEFUN(new_statement,(type, size, list), | |
196 | enum statement_enum type AND | |
3f8d46e7 | 197 | bfd_size_type size AND |
1418c83b | 198 | lang_statement_list_type *list) |
2fa0b342 DHW |
199 | { |
200 | lang_statement_union_type *new = (lang_statement_union_type *) | |
201 | ldmalloc(size); | |
202 | new->header.type = type; | |
203 | new->header.next = (lang_statement_union_type *)NULL; | |
1418c83b | 204 | lang_statement_append(list, new, &new->header.next); |
2fa0b342 DHW |
205 | return new; |
206 | } | |
207 | ||
1418c83b SC |
208 | /* |
209 | Build a new input file node for the language. There are several ways | |
210 | in which we treat an input file, eg, we only look at symbols, or | |
211 | prefix it with a -l etc. | |
212 | ||
213 | We can be supplied with requests for input files more than once; | |
214 | they may, for example be split over serveral lines like foo.o(.text) | |
215 | foo.o(.data) etc, so when asked for a file we check that we havn't | |
216 | got it already so we don't duplicate the bfd. | |
217 | ||
218 | */ | |
2fa0b342 | 219 | static lang_input_statement_type * |
1418c83b SC |
220 | DEFUN(new_afile, (name, file_type, target), |
221 | CONST char *CONST name AND | |
222 | CONST lang_input_file_enum_type file_type AND | |
223 | CONST char *CONST target) | |
2fa0b342 DHW |
224 | { |
225 | lang_input_statement_type *p = new_stat(lang_input_statement, | |
226 | stat_ptr); | |
227 | lang_has_input_file = true; | |
228 | p->target = target; | |
229 | switch (file_type) { | |
230 | case lang_input_file_is_symbols_only_enum: | |
231 | p->filename = name; | |
232 | p->is_archive =false; | |
233 | p->real = true; | |
234 | p->local_sym_name= name; | |
235 | p->just_syms_flag = true; | |
236 | p->search_dirs_flag = false; | |
237 | break; | |
238 | case lang_input_file_is_fake_enum: | |
239 | p->filename = name; | |
240 | p->is_archive =false; | |
241 | p->real = false; | |
242 | p->local_sym_name= name; | |
243 | p->just_syms_flag = false; | |
244 | p->search_dirs_flag =false; | |
2fa0b342 DHW |
245 | break; |
246 | case lang_input_file_is_l_enum: | |
247 | p->is_archive = true; | |
248 | p->filename = name; | |
249 | p->real = true; | |
250 | p->local_sym_name = concat("-l",name,""); | |
251 | p->just_syms_flag = false; | |
252 | p->search_dirs_flag = true; | |
253 | break; | |
2fa0b342 DHW |
254 | case lang_input_file_is_search_file_enum: |
255 | case lang_input_file_is_marker_enum: | |
256 | p->filename = name; | |
257 | p->is_archive =false; | |
258 | p->real = true; | |
259 | p->local_sym_name= name; | |
260 | p->just_syms_flag = false; | |
261 | p->search_dirs_flag =true; | |
262 | break; | |
2fa0b342 DHW |
263 | case lang_input_file_is_file_enum: |
264 | p->filename = name; | |
265 | p->is_archive =false; | |
266 | p->real = true; | |
267 | p->local_sym_name= name; | |
268 | p->just_syms_flag = false; | |
269 | p->search_dirs_flag =false; | |
270 | break; | |
2fa0b342 DHW |
271 | default: |
272 | FAIL(); | |
273 | } | |
274 | p->asymbols = (asymbol **)NULL; | |
275 | p->superfile = (lang_input_statement_type *)NULL; | |
2fa0b342 DHW |
276 | p->next_real_file = (lang_statement_union_type*)NULL; |
277 | p->next = (lang_statement_union_type*)NULL; | |
278 | p->symbol_count = 0; | |
279 | p->common_output_section = (asection *)NULL; | |
2fa0b342 DHW |
280 | lang_statement_append(&input_file_chain, |
281 | (lang_statement_union_type *)p, | |
282 | &p->next_real_file); | |
283 | return p; | |
284 | } | |
285 | ||
1418c83b SC |
286 | |
287 | ||
2fa0b342 | 288 | lang_input_statement_type * |
1418c83b SC |
289 | DEFUN(lang_add_input_file,(name, file_type, target), |
290 | char *name AND | |
291 | lang_input_file_enum_type file_type AND | |
292 | char *target) | |
2fa0b342 DHW |
293 | { |
294 | /* Look it up or build a new one */ | |
1418c83b SC |
295 | lang_has_input_file = true; |
296 | #if 0 | |
2fa0b342 DHW |
297 | lang_input_statement_type *p; |
298 | ||
299 | for (p = (lang_input_statement_type *)input_file_chain.head; | |
300 | p != (lang_input_statement_type *)NULL; | |
301 | p = (lang_input_statement_type *)(p->next_real_file)) | |
1418c83b SC |
302 | { |
303 | /* Sometimes we have incomplete entries in here */ | |
304 | if (p->filename != (char *)NULL) { | |
305 | if(strcmp(name,p->filename) == 0) return p; | |
306 | } | |
307 | ||
308 | } | |
309 | #endif | |
2fa0b342 DHW |
310 | return new_afile(name, file_type, target); |
311 | } | |
312 | ||
313 | ||
1418c83b | 314 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 315 | void |
1418c83b | 316 | DEFUN_VOID(lang_init) |
2fa0b342 DHW |
317 | { |
318 | ||
319 | stat_ptr= &statement_list; | |
320 | lang_list_init(stat_ptr); | |
321 | ||
322 | lang_list_init(&input_file_chain); | |
323 | lang_list_init(&lang_output_section_statement); | |
324 | lang_list_init(&file_chain); | |
325 | first_file = lang_add_input_file((char *)NULL, | |
326 | lang_input_file_is_marker_enum, | |
327 | (char *)NULL); | |
2fa0b342 DHW |
328 | } |
329 | ||
2fa0b342 | 330 | |
1418c83b SC |
331 | /*---------------------------------------------------------------------- |
332 | A region is an area of memory declared with the | |
333 | MEMORY { name:org=exp, len=exp ... } | |
334 | syntax. | |
2fa0b342 | 335 | |
1418c83b | 336 | We maintain a list of all the regions here |
2fa0b342 | 337 | |
1418c83b SC |
338 | If no regions are specified in the script, then the default is used |
339 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
340 | */ |
341 | ||
342 | static lang_memory_region_type *lang_memory_region_list; | |
343 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
344 | ||
345 | lang_memory_region_type * | |
1418c83b SC |
346 | DEFUN(lang_memory_region_lookup,(name), |
347 | CONST char *CONST name) | |
2fa0b342 DHW |
348 | { |
349 | ||
1418c83b SC |
350 | lang_memory_region_type *p = lang_memory_region_list; |
351 | for (p = lang_memory_region_list; | |
352 | p != ( lang_memory_region_type *)NULL; | |
353 | p = p->next) { | |
354 | if (strcmp(p->name, name) == 0) { | |
355 | return p; | |
2fa0b342 | 356 | } |
1418c83b SC |
357 | } |
358 | if (strcmp(name,"*default*")==0) { | |
359 | /* This is the default region, dig out first one on the list */ | |
360 | if (lang_memory_region_list != (lang_memory_region_type*)NULL){ | |
361 | return lang_memory_region_list; | |
2fa0b342 | 362 | } |
1418c83b | 363 | } |
2fa0b342 | 364 | { |
1418c83b | 365 | lang_memory_region_type *new = |
3f8d46e7 | 366 | (lang_memory_region_type *)ldmalloc((bfd_size_type)(sizeof(lang_memory_region_type))); |
1418c83b SC |
367 | new->name = buystring(name); |
368 | new->next = (lang_memory_region_type *)NULL; | |
369 | ||
370 | *lang_memory_region_list_tail = new; | |
371 | lang_memory_region_list_tail = &new->next; | |
372 | new->origin = 0; | |
373 | new->length = ~0; | |
374 | new->current = 0; | |
375 | return new; | |
2fa0b342 DHW |
376 | } |
377 | } | |
378 | ||
379 | ||
2fa0b342 | 380 | lang_output_section_statement_type * |
1418c83b SC |
381 | DEFUN(lang_output_section_find,(name), |
382 | CONST char * CONST name) | |
2fa0b342 DHW |
383 | { |
384 | lang_statement_union_type *u; | |
385 | lang_output_section_statement_type *lookup; | |
386 | ||
387 | for (u = lang_output_section_statement.head; | |
388 | u != (lang_statement_union_type *)NULL; | |
389 | u = lookup->next) | |
1418c83b SC |
390 | { |
391 | lookup = &u->output_section_statement; | |
392 | if (strcmp(name, lookup->name)==0) { | |
393 | return lookup; | |
394 | } | |
2fa0b342 | 395 | } |
2fa0b342 DHW |
396 | return (lang_output_section_statement_type *)NULL; |
397 | } | |
398 | ||
399 | lang_output_section_statement_type * | |
1418c83b SC |
400 | DEFUN(lang_output_section_statement_lookup,(name), |
401 | CONST char * CONST name) | |
2fa0b342 DHW |
402 | { |
403 | lang_output_section_statement_type *lookup; | |
404 | lookup =lang_output_section_find(name); | |
405 | if (lookup == (lang_output_section_statement_type *)NULL) { | |
406 | ||
407 | lookup =(lang_output_section_statement_type *) | |
408 | new_stat(lang_output_section_statement, stat_ptr); | |
409 | lookup->region = (lang_memory_region_type *)NULL; | |
410 | lookup->fill = 0; | |
411 | lookup->block_value = 1; | |
412 | lookup->name = name; | |
413 | ||
414 | lookup->next = (lang_statement_union_type*)NULL; | |
415 | lookup->bfd_section = (asection *)NULL; | |
416 | lookup->processed = false; | |
417 | lookup->addr_tree = (etree_type *)NULL; | |
418 | lang_list_init(&lookup->children); | |
419 | ||
420 | lang_statement_append(&lang_output_section_statement, | |
421 | (lang_statement_union_type *)lookup, | |
422 | &lookup->next); | |
423 | } | |
424 | return lookup; | |
425 | } | |
426 | ||
427 | ||
428 | ||
429 | ||
430 | ||
431 | static void | |
1418c83b SC |
432 | DEFUN(print_flags, (outfile, ignore_flags), |
433 | FILE *outfile AND | |
7bc4a0d7 | 434 | int *ignore_flags) |
2fa0b342 DHW |
435 | { |
436 | fprintf(outfile,"("); | |
437 | #if 0 | |
438 | if (flags->flag_read) fprintf(outfile,"R"); | |
439 | if (flags->flag_write) fprintf(outfile,"W"); | |
440 | if (flags->flag_executable) fprintf(outfile,"X"); | |
441 | if (flags->flag_loadable) fprintf(outfile,"L"); | |
442 | #endif | |
443 | fprintf(outfile,")"); | |
444 | } | |
445 | ||
446 | void | |
1418c83b SC |
447 | DEFUN(lang_map,(outfile), |
448 | FILE *outfile) | |
2fa0b342 DHW |
449 | { |
450 | lang_memory_region_type *m; | |
451 | fprintf(outfile,"**MEMORY CONFIGURATION**\n\n"); | |
48491e2e | 452 | #ifdef HOST_64_BIT |
2fa0b342 | 453 | fprintf(outfile,"name\t\torigin\t\tlength\t\tattributes\n"); |
48491e2e SC |
454 | #else |
455 | fprintf(outfile,"name\t\torigin length\t\tattributes\n"); | |
456 | #endif | |
2fa0b342 DHW |
457 | for (m = lang_memory_region_list; |
458 | m != (lang_memory_region_type *)NULL; | |
459 | m = m->next) | |
460 | { | |
461 | fprintf(outfile,"%-16s", m->name); | |
3f8d46e7 JG |
462 | print_address(m->origin); |
463 | print_space(); | |
464 | print_address(m->length); | |
465 | print_space(); | |
2fa0b342 DHW |
466 | print_flags(outfile, &m->flags); |
467 | fprintf(outfile,"\n"); | |
468 | } | |
469 | fprintf(outfile,"\n\n**LINK EDITOR MEMORY MAP**\n\n"); | |
48491e2e SC |
470 | fprintf(outfile,"output input virtual\n"); |
471 | fprintf(outfile,"section section address tsize\n\n"); | |
2fa0b342 DHW |
472 | |
473 | print_statements(); | |
474 | ||
475 | } | |
476 | ||
477 | /* | |
478 | * | |
479 | */ | |
1418c83b SC |
480 | static void |
481 | DEFUN(init_os,(s), | |
482 | lang_output_section_statement_type *s) | |
2fa0b342 DHW |
483 | { |
484 | section_userdata_type *new = | |
485 | (section_userdata_type *) | |
3f8d46e7 | 486 | ldmalloc((bfd_size_type)(sizeof(section_userdata_type))); |
2fa0b342 DHW |
487 | |
488 | s->bfd_section = bfd_make_section(output_bfd, s->name); | |
357a1f38 SC |
489 | if (s->bfd_section == (asection *)NULL) { |
490 | info("%P%F output format %s cannot represent section called %s\n", | |
491 | output_bfd->xvec->name, | |
492 | s->name); | |
493 | } | |
2fa0b342 | 494 | s->bfd_section->output_section = s->bfd_section; |
7bc4a0d7 SC |
495 | /* s->bfd_section->flags = s->flags;*/ |
496 | ||
2fa0b342 DHW |
497 | /* We initialize an output sections output offset to minus its own */ |
498 | /* vma to allow us to output a section through itself */ | |
499 | s->bfd_section->output_offset = 0; | |
a0ad3035 | 500 | get_userdata( s->bfd_section) = (PTR)new; |
2fa0b342 DHW |
501 | } |
502 | ||
1418c83b SC |
503 | /*********************************************************************** |
504 | The wild routines. | |
505 | ||
506 | These expand statements like *(.text) and foo.o to a list of | |
507 | explicit actions, like foo.o(.text), bar.o(.text) and | |
508 | foo.o(.text,.data) . | |
509 | ||
510 | The toplevel routine, wild, takes a statement, section, file and | |
511 | target. If either the section or file is null it is taken to be the | |
512 | wildcard. Seperate lang_input_section statements are created for | |
513 | each part of the expanstion, and placed after the statement provided. | |
514 | ||
515 | */ | |
516 | ||
2fa0b342 | 517 | static void |
1418c83b SC |
518 | DEFUN(wild_doit,(ptr, section, output, file), |
519 | lang_statement_list_type *ptr AND | |
520 | asection *section AND | |
521 | lang_output_section_statement_type *output AND | |
522 | lang_input_statement_type *file) | |
2fa0b342 DHW |
523 | { |
524 | if(output->bfd_section == (asection *)NULL) | |
525 | { | |
526 | init_os(output); | |
527 | } | |
528 | ||
529 | if (section != (asection *)NULL | |
530 | && section->output_section == (asection *)NULL) { | |
531 | /* Add a section reference to the list */ | |
532 | lang_input_section_type *new = new_stat(lang_input_section, ptr); | |
533 | ||
534 | new->section = section; | |
535 | new->ifile = file; | |
536 | section->output_section = output->bfd_section; | |
537 | section->output_section->flags |= section->flags; | |
538 | if (section->alignment_power > output->bfd_section->alignment_power) { | |
539 | output->bfd_section->alignment_power = section->alignment_power; | |
540 | } | |
2fa0b342 DHW |
541 | } |
542 | } | |
543 | ||
544 | static asection * | |
1418c83b SC |
545 | DEFUN(our_bfd_get_section_by_name,(abfd, section), |
546 | bfd *abfd AND | |
547 | CONST char *section) | |
2fa0b342 DHW |
548 | { |
549 | return bfd_get_section_by_name(abfd, section); | |
2fa0b342 | 550 | } |
1418c83b | 551 | |
2fa0b342 | 552 | static void |
1418c83b SC |
553 | DEFUN(wild_section,(ptr, section, file , output), |
554 | lang_wild_statement_type *ptr AND | |
555 | CONST char *section AND | |
556 | lang_input_statement_type *file AND | |
557 | lang_output_section_statement_type *output) | |
2fa0b342 DHW |
558 | { |
559 | asection *s; | |
1418c83b SC |
560 | if (file->just_syms_flag == false) { |
561 | if (section == (char *)NULL) { | |
562 | /* Do the creation to all sections in the file */ | |
563 | for (s = file->the_bfd->sections; s != (asection *)NULL; s=s->next) { | |
564 | wild_doit(&ptr->children, s, output, file); | |
565 | } | |
566 | } | |
567 | else { | |
568 | /* Do the creation to the named section only */ | |
569 | wild_doit(&ptr->children, | |
570 | our_bfd_get_section_by_name(file->the_bfd, section), | |
571 | output, file); | |
2fa0b342 DHW |
572 | } |
573 | } | |
2fa0b342 DHW |
574 | } |
575 | ||
576 | ||
1418c83b SC |
577 | /* passed a file name (which must have been seen already and added to |
578 | the statement tree. We will see if it has been opened already and | |
579 | had its symbols read. If not then we'll read it. | |
2fa0b342 | 580 | |
1418c83b SC |
581 | Archives are pecuilar here. We may open them once, but if they do |
582 | not define anything we need at the time, they won't have all their | |
583 | symbols read. If we need them later, we'll have to redo it. | |
584 | */ | |
2fa0b342 | 585 | static |
1418c83b SC |
586 | lang_input_statement_type * |
587 | DEFUN(lookup_name,(name), | |
588 | CONST char * CONST name) | |
2fa0b342 DHW |
589 | { |
590 | lang_input_statement_type *search; | |
591 | for(search = (lang_input_statement_type *)input_file_chain.head; | |
592 | search != (lang_input_statement_type *)NULL; | |
593 | search = (lang_input_statement_type *)search->next_real_file) | |
1418c83b SC |
594 | { |
595 | if (search->filename == (char *)NULL && name == (char *)NULL) { | |
2fa0b342 DHW |
596 | return search; |
597 | } | |
1418c83b SC |
598 | if (search->filename != (char *)NULL && name != (char *)NULL) { |
599 | if (strcmp(search->filename, name) == 0) { | |
600 | ldmain_open_file_read_symbol(search); | |
601 | return search; | |
602 | } | |
603 | } | |
2fa0b342 | 604 | } |
2fa0b342 | 605 | |
1418c83b SC |
606 | /* There isn't an afile entry for this file yet, this must be |
607 | because the name has only appeared inside a load script and not | |
608 | on the command line */ | |
609 | search = new_afile(name, lang_input_file_is_file_enum, default_target); | |
610 | ldmain_open_file_read_symbol(search); | |
2fa0b342 | 611 | return search; |
1418c83b SC |
612 | |
613 | ||
2fa0b342 DHW |
614 | } |
615 | ||
616 | static void | |
1418c83b SC |
617 | DEFUN(wild,(s, section, file, target, output), |
618 | lang_wild_statement_type *s AND | |
619 | CONST char *CONST section AND | |
620 | CONST char *CONST file AND | |
621 | CONST char *CONST target AND | |
622 | lang_output_section_statement_type *output) | |
2fa0b342 DHW |
623 | { |
624 | lang_input_statement_type *f; | |
625 | if (file == (char *)NULL) { | |
626 | /* Perform the iteration over all files in the list */ | |
627 | for (f = (lang_input_statement_type *)file_chain.head; | |
628 | f != (lang_input_statement_type *)NULL; | |
629 | f = (lang_input_statement_type *)f->next) { | |
630 | wild_section(s, section, f, output); | |
631 | } | |
632 | } | |
633 | else { | |
634 | /* Perform the iteration over a single file */ | |
1418c83b | 635 | wild_section( s, section, lookup_name(file), output); |
2fa0b342 | 636 | } |
b0f36869 SC |
637 | if (section != (char *)NULL |
638 | && strcmp(section,"COMMON") == 0 | |
1418c83b SC |
639 | && default_common_section == (lang_output_section_statement_type*)NULL) |
640 | { | |
641 | /* Remember the section that common is going to incase we later | |
642 | get something which doesn't know where to put it */ | |
643 | default_common_section = output; | |
644 | } | |
2fa0b342 DHW |
645 | } |
646 | ||
647 | /* | |
648 | read in all the files | |
649 | */ | |
650 | static bfd * | |
097879bc SC |
651 | DEFUN(open_output,(name), |
652 | CONST char *CONST name) | |
2fa0b342 | 653 | { |
1418c83b | 654 | extern CONST char *output_filename; |
097879bc SC |
655 | bfd *output; |
656 | if (output_target == (char *)NULL) { | |
657 | if (current_target != (char *)NULL) | |
658 | output_target = current_target; | |
659 | else | |
660 | output_target = default_target; | |
661 | } | |
662 | output = bfd_openw(name, output_target); | |
2fa0b342 | 663 | output_filename = name; |
097879bc | 664 | |
2fa0b342 | 665 | if (output == (bfd *)NULL) |
1418c83b SC |
666 | { |
667 | if (bfd_error == invalid_target) { | |
097879bc | 668 | info("%P%F target %s not found\n", output_target); |
1418c83b SC |
669 | } |
670 | info("%P%F problem opening output file %s, %E", name); | |
2fa0b342 | 671 | } |
2fa0b342 DHW |
672 | |
673 | output->flags |= D_PAGED; | |
674 | bfd_set_format(output, bfd_object); | |
675 | return output; | |
676 | } | |
1418c83b SC |
677 | |
678 | ||
097879bc | 679 | |
1418c83b | 680 | |
2fa0b342 | 681 | static void |
1418c83b SC |
682 | DEFUN(ldlang_open_output,(statement), |
683 | lang_statement_union_type *statement) | |
2fa0b342 | 684 | { |
1418c83b SC |
685 | switch (statement->header.type) |
686 | { | |
687 | case lang_output_statement_enum: | |
097879bc | 688 | output_bfd = open_output(statement->output_statement.name); |
2fa0b342 | 689 | ldemul_set_output_arch(); |
2fa0b342 | 690 | break; |
1418c83b | 691 | |
2fa0b342 | 692 | case lang_target_statement_enum: |
1418c83b | 693 | current_target = statement->target_statement.target; |
2fa0b342 | 694 | break; |
1418c83b | 695 | default: |
2fa0b342 | 696 | break; |
1418c83b SC |
697 | } |
698 | } | |
2fa0b342 | 699 | |
1418c83b SC |
700 | static void |
701 | DEFUN(open_input_bfds,(statement), | |
702 | lang_statement_union_type *statement) | |
703 | { | |
704 | switch (statement->header.type) | |
705 | { | |
706 | case lang_target_statement_enum: | |
707 | current_target = statement->target_statement.target; | |
2fa0b342 | 708 | break; |
1418c83b SC |
709 | case lang_wild_statement_enum: |
710 | /* Maybe we should load the file's symbols */ | |
711 | if (statement->wild_statement.filename) | |
712 | { | |
713 | (void) lookup_name(statement->wild_statement.filename); | |
714 | } | |
2fa0b342 | 715 | break; |
1418c83b SC |
716 | case lang_input_statement_enum: |
717 | if (statement->input_statement.real == true) | |
718 | { | |
719 | statement->input_statement.target = current_target; | |
720 | lookup_name(statement->input_statement.filename); | |
721 | } | |
2fa0b342 | 722 | break; |
1418c83b | 723 | default: |
2fa0b342 DHW |
724 | break; |
725 | } | |
2fa0b342 | 726 | } |
2fa0b342 DHW |
727 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
728 | ||
729 | static void | |
730 | lang_reasonable_defaults() | |
731 | { | |
1418c83b | 732 | #if 0 |
8cb5eb31 SC |
733 | lang_output_section_statement_lookup(".text"); |
734 | lang_output_section_statement_lookup(".data"); | |
735 | ||
2fa0b342 DHW |
736 | default_common_section = |
737 | lang_output_section_statement_lookup(".bss"); | |
8cb5eb31 | 738 | |
1418c83b | 739 | |
2fa0b342 DHW |
740 | if (placed_commons == false) { |
741 | lang_wild_statement_type *new = | |
742 | new_stat(lang_wild_statement, | |
743 | &default_common_section->children); | |
744 | new->section_name = "COMMON"; | |
745 | new->filename = (char *)NULL; | |
746 | lang_list_init(&new->children); | |
747 | } | |
1418c83b | 748 | #endif |
8cb5eb31 | 749 | |
2fa0b342 DHW |
750 | } |
751 | ||
1418c83b SC |
752 | /* |
753 | Add the supplied name to the symbol table as an undefined reference. | |
754 | Remove items from the chain as we open input bfds | |
755 | */ | |
756 | typedef struct ldlang_undef_chain_list_struct { | |
757 | struct ldlang_undef_chain_list_struct *next; | |
758 | char *name; | |
759 | } ldlang_undef_chain_list_type; | |
760 | ||
761 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
762 | ||
763 | void | |
764 | DEFUN(ldlang_add_undef,(name), | |
765 | CONST char *CONST name) | |
2fa0b342 | 766 | { |
1418c83b SC |
767 | ldlang_undef_chain_list_type *new = |
768 | (ldlang_undef_chain_list_type | |
3f8d46e7 | 769 | *)ldmalloc((bfd_size_type)(sizeof(ldlang_undef_chain_list_type))); |
1418c83b SC |
770 | |
771 | new->next = ldlang_undef_chain_list_head; | |
772 | ldlang_undef_chain_list_head = new; | |
773 | ||
774 | new->name = buystring(name); | |
775 | } | |
776 | /* Run through the list of undefineds created above and place them | |
777 | into the linker hash table as undefined symbols belonging to the | |
778 | script file. | |
779 | */ | |
780 | static void | |
781 | DEFUN_VOID(lang_place_undefineds) | |
782 | { | |
783 | ldlang_undef_chain_list_type *ptr = ldlang_undef_chain_list_head; | |
784 | while (ptr != (ldlang_undef_chain_list_type*)NULL) { | |
785 | ldsym_type *sy = ldsym_get(ptr->name); | |
786 | asymbol *def; | |
3f8d46e7 | 787 | asymbol **def_ptr = (asymbol **)ldmalloc((bfd_size_type)(sizeof(asymbol **))); |
1418c83b SC |
788 | def = (asymbol *)bfd_make_empty_symbol(script_file->the_bfd); |
789 | *def_ptr= def; | |
790 | def->name = ptr->name; | |
791 | def->flags = BSF_UNDEFINED; | |
792 | def->section = (asection *)NULL; | |
793 | Q_enter_global_ref(def_ptr); | |
794 | ptr = ptr->next; | |
2fa0b342 | 795 | } |
1418c83b | 796 | } |
2fa0b342 | 797 | |
1418c83b SC |
798 | |
799 | ||
800 | /* Copy important data from out internal form to the bfd way. Also | |
801 | create a section for the dummy file | |
802 | */ | |
803 | ||
804 | static void | |
805 | DEFUN_VOID(lang_create_output_section_statements) | |
806 | { | |
807 | lang_statement_union_type*os; | |
808 | for (os = lang_output_section_statement.head; | |
809 | os != (lang_statement_union_type*)NULL; | |
810 | os = os->output_section_statement.next) { | |
811 | lang_output_section_statement_type *s = | |
812 | &os->output_section_statement; | |
813 | init_os(s); | |
814 | } | |
815 | ||
816 | } | |
817 | ||
818 | static void | |
819 | DEFUN_VOID(lang_init_script_file) | |
820 | { | |
821 | script_file = lang_add_input_file("script file", | |
822 | lang_input_file_is_fake_enum, | |
823 | (char *)NULL); | |
824 | script_file->the_bfd = bfd_create("script file", output_bfd); | |
825 | script_file->symbol_count = 0; | |
826 | script_file->the_bfd->sections = output_bfd->sections; | |
2fa0b342 DHW |
827 | } |
828 | ||
829 | ||
1418c83b SC |
830 | |
831 | ||
2fa0b342 DHW |
832 | /* Open input files and attatch to output sections */ |
833 | static void | |
1418c83b SC |
834 | DEFUN(map_input_to_output_sections,(s, target, output_section_statement), |
835 | lang_statement_union_type *s AND | |
836 | CONST char *target AND | |
837 | lang_output_section_statement_type *output_section_statement) | |
2fa0b342 DHW |
838 | { |
839 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
840 | { | |
841 | switch (s->header.type) { | |
842 | case lang_wild_statement_enum: | |
843 | wild(&s->wild_statement, s->wild_statement.section_name, | |
844 | s->wild_statement.filename, target, | |
845 | output_section_statement); | |
846 | ||
847 | break; | |
848 | ||
849 | case lang_output_section_statement_enum: | |
1418c83b | 850 | map_input_to_output_sections(s->output_section_statement.children.head, |
2fa0b342 DHW |
851 | target, |
852 | &s->output_section_statement); | |
853 | break; | |
854 | case lang_output_statement_enum: | |
855 | break; | |
856 | case lang_target_statement_enum: | |
857 | target = s->target_statement.target; | |
858 | break; | |
2fa0b342 DHW |
859 | case lang_fill_statement_enum: |
860 | case lang_input_section_enum: | |
861 | case lang_object_symbols_statement_enum: | |
862 | case lang_data_statement_enum: | |
1418c83b SC |
863 | case lang_assignment_statement_enum: |
864 | case lang_padding_statement_enum: | |
2fa0b342 DHW |
865 | break; |
866 | case lang_afile_asection_pair_statement_enum: | |
867 | FAIL(); | |
868 | break; | |
2fa0b342 DHW |
869 | case lang_address_statement_enum: |
870 | /* Mark the specified section with the supplied address */ | |
871 | { | |
872 | lang_output_section_statement_type *os = | |
873 | lang_output_section_statement_lookup | |
874 | (s->address_statement.section_name); | |
875 | os->addr_tree = s->address_statement.address; | |
48491e2e SC |
876 | if (os->bfd_section == (asection *)NULL) { |
877 | info("%P%F can't set the address of undefined section %s\n", | |
878 | s->address_statement.section_name); | |
879 | } | |
2fa0b342 DHW |
880 | } |
881 | break; | |
882 | case lang_input_statement_enum: | |
883 | /* A standard input statement, has no wildcards */ | |
1418c83b | 884 | /* ldmain_open_file_read_symbol(&s->input_statement);*/ |
2fa0b342 DHW |
885 | break; |
886 | } | |
887 | } | |
888 | } | |
889 | ||
890 | ||
891 | ||
892 | ||
893 | ||
894 | static void | |
1418c83b SC |
895 | DEFUN(print_output_section_statement,(output_section_statement), |
896 | lang_output_section_statement_type *output_section_statement) | |
2fa0b342 DHW |
897 | { |
898 | asection *section = output_section_statement->bfd_section; | |
899 | print_nl(); | |
900 | print_section(output_section_statement->name); | |
901 | ||
902 | if (section) { | |
903 | print_dot = section->vma; | |
904 | print_space(); | |
905 | print_section(""); | |
906 | print_space(); | |
907 | print_address(section->vma); | |
908 | print_space(); | |
909 | print_size(section->size); | |
910 | print_space(); | |
911 | print_alignment(section->alignment_power); | |
912 | print_space(); | |
913 | #if 0 | |
914 | printf("%s flags", output_section_statement->region->name); | |
915 | print_flags(stdout, &output_section_statement->flags); | |
916 | #endif | |
7bc4a0d7 SC |
917 | if (section->flags & SEC_LOAD) |
918 | printf("load "); | |
919 | if (section->flags & SEC_ALLOC) | |
920 | printf("alloc "); | |
921 | if (section->flags & SEC_RELOC) | |
922 | printf("reloc "); | |
923 | if (section->flags & SEC_HAS_CONTENTS) | |
924 | printf("contents "); | |
2fa0b342 DHW |
925 | |
926 | } | |
927 | else { | |
928 | printf("No attached output section"); | |
929 | } | |
930 | print_nl(); | |
931 | print_statement(output_section_statement->children.head, | |
932 | output_section_statement); | |
933 | ||
934 | } | |
935 | ||
936 | static void | |
1418c83b SC |
937 | DEFUN(print_assignment,(assignment, output_section), |
938 | lang_assignment_statement_type *assignment AND | |
939 | lang_output_section_statement_type *output_section) | |
2fa0b342 DHW |
940 | { |
941 | etree_value_type result; | |
942 | print_section(""); | |
943 | print_space(); | |
944 | print_section(""); | |
945 | print_space(); | |
946 | print_address(print_dot); | |
947 | print_space(); | |
948 | result = exp_fold_tree(assignment->exp->assign.src, | |
949 | output_section, | |
950 | lang_final_phase_enum, | |
951 | print_dot, | |
952 | &print_dot); | |
953 | ||
954 | if (result.valid) { | |
955 | print_address(result.value); | |
956 | } | |
957 | else | |
1418c83b SC |
958 | { |
959 | printf("*undefined*"); | |
960 | } | |
2fa0b342 DHW |
961 | print_space(); |
962 | exp_print_tree(stdout, assignment->exp); | |
963 | printf("\n"); | |
964 | } | |
965 | ||
966 | static void | |
1418c83b SC |
967 | DEFUN(print_input_statement,(statm), |
968 | lang_input_statement_type *statm) | |
2fa0b342 | 969 | { |
070aa819 SC |
970 | if (statm->filename != (char *)NULL) { |
971 | printf("LOAD %s\n",statm->filename); | |
972 | } | |
2fa0b342 DHW |
973 | } |
974 | ||
1418c83b SC |
975 | static void |
976 | DEFUN(print_symbol,(q), | |
977 | asymbol *q) | |
2fa0b342 DHW |
978 | { |
979 | print_section(""); | |
980 | printf(" "); | |
981 | print_section(""); | |
982 | printf(" "); | |
983 | print_address(outside_symbol_address(q)); | |
984 | printf(" %s", q->name ? q->name : " "); | |
985 | print_nl(); | |
986 | } | |
1418c83b | 987 | |
2fa0b342 | 988 | static void |
1418c83b SC |
989 | DEFUN(print_input_section,(in), |
990 | lang_input_section_type *in) | |
2fa0b342 DHW |
991 | { |
992 | asection *i = in->section; | |
993 | ||
994 | if(i->size != 0) { | |
995 | print_section(""); | |
996 | printf(" "); | |
997 | print_section(i->name); | |
998 | printf(" "); | |
999 | if (i->output_section) { | |
1000 | print_address(i->output_section->vma + i->output_offset); | |
1001 | printf(" "); | |
1002 | print_size(i->size); | |
1003 | printf(" "); | |
1004 | print_alignment(i->alignment_power); | |
1005 | printf(" "); | |
1006 | if (in->ifile) { | |
1418c83b | 1007 | |
2fa0b342 | 1008 | bfd *abfd = in->ifile->the_bfd; |
1418c83b SC |
1009 | if (in->ifile->just_syms_flag == true) { |
1010 | printf("symbols only "); | |
1011 | } | |
1012 | ||
2fa0b342 DHW |
1013 | printf(" %s ",abfd->xvec->name); |
1014 | if(abfd->my_archive != (bfd *)NULL) { | |
1015 | printf("[%s]%s", abfd->my_archive->filename, | |
1016 | abfd->filename); | |
1017 | } | |
1018 | else { | |
1019 | printf("%s", abfd->filename); | |
1020 | } | |
48491e2e | 1021 | printf("(overhead %d bytes)", (int)bfd_alloc_size(abfd)); |
2fa0b342 DHW |
1022 | print_nl(); |
1023 | ||
1024 | /* Find all the symbols in this file defined in this section */ | |
1418c83b SC |
1025 | { |
1026 | asymbol **p; | |
1027 | for (p = in->ifile->asymbols; *p; p++) { | |
1028 | asymbol *q = *p; | |
2fa0b342 | 1029 | |
1418c83b SC |
1030 | if (bfd_get_section(q) == i && q->flags & BSF_GLOBAL) { |
1031 | print_symbol(q); | |
1032 | } | |
2fa0b342 DHW |
1033 | } |
1034 | } | |
2fa0b342 DHW |
1035 | } |
1036 | else { | |
1037 | print_nl(); | |
1038 | } | |
1039 | ||
1040 | ||
1041 | print_dot = outside_section_address(i) + i->size; | |
1042 | } | |
1043 | else { | |
1044 | printf("No output section allocated\n"); | |
1045 | } | |
1046 | } | |
1047 | } | |
2fa0b342 | 1048 | |
2fa0b342 | 1049 | static void |
1418c83b SC |
1050 | DEFUN(print_fill_statement,(fill), |
1051 | lang_fill_statement_type *fill) | |
2fa0b342 DHW |
1052 | { |
1053 | printf("FILL mask "); | |
1054 | print_fill( fill->fill); | |
1055 | } | |
1056 | ||
1057 | static void | |
1418c83b SC |
1058 | DEFUN(print_data_statement,(data), |
1059 | lang_data_statement_type *data) | |
2fa0b342 DHW |
1060 | { |
1061 | /* bfd_vma value; */ | |
1062 | print_section(""); | |
1063 | print_space(); | |
1064 | print_section(""); | |
1065 | print_space(); | |
65c552e3 | 1066 | /* ASSERT(print_dot == data->output_vma);*/ |
2fa0b342 DHW |
1067 | |
1068 | print_address(data->output_vma); | |
1069 | print_space(); | |
1070 | print_address(data->value); | |
1071 | print_space(); | |
1072 | switch (data->type) { | |
1073 | case BYTE : | |
1074 | printf("BYTE "); | |
1075 | print_dot += BYTE_SIZE; | |
1076 | break; | |
1077 | case SHORT: | |
1078 | printf("SHORT "); | |
1079 | print_dot += SHORT_SIZE; | |
1080 | break; | |
1081 | case LONG: | |
1082 | printf("LONG "); | |
1083 | print_dot += LONG_SIZE; | |
1084 | break; | |
1085 | } | |
1086 | ||
1087 | exp_print_tree(stdout, data->exp); | |
1088 | ||
1089 | printf("\n"); | |
1090 | } | |
1091 | ||
1092 | ||
1093 | static void | |
1418c83b SC |
1094 | DEFUN(print_padding_statement,(s), |
1095 | lang_padding_statement_type *s) | |
2fa0b342 DHW |
1096 | { |
1097 | print_section(""); | |
1098 | print_space(); | |
1099 | print_section("*fill*"); | |
1100 | print_space(); | |
1101 | print_address(s->output_offset + s->output_section->vma); | |
1102 | print_space(); | |
1103 | print_size(s->size); | |
1104 | print_space(); | |
1105 | print_fill(s->fill); | |
1106 | print_nl(); | |
1107 | } | |
1108 | ||
1418c83b SC |
1109 | static void |
1110 | DEFUN(print_wild_statement,(w,os), | |
1111 | lang_wild_statement_type *w AND | |
1112 | lang_output_section_statement_type *os) | |
2fa0b342 | 1113 | { |
48491e2e | 1114 | printf(" from "); |
2fa0b342 DHW |
1115 | if (w->filename != (char *)NULL) { |
1116 | printf("%s",w->filename); | |
1117 | } | |
1118 | else { | |
1119 | printf("*"); | |
1120 | } | |
1121 | if (w->section_name != (char *)NULL) { | |
1122 | printf("(%s)",w->section_name); | |
1123 | } | |
1124 | else { | |
1125 | printf("(*)"); | |
1126 | } | |
1127 | print_nl(); | |
1128 | print_statement(w->children.head, os); | |
1129 | ||
1130 | } | |
1131 | static void | |
1418c83b SC |
1132 | DEFUN(print_statement,(s, os), |
1133 | lang_statement_union_type *s AND | |
1134 | lang_output_section_statement_type *os) | |
2fa0b342 DHW |
1135 | { |
1136 | while (s) { | |
1137 | switch (s->header.type) { | |
1138 | case lang_wild_statement_enum: | |
1418c83b SC |
1139 | print_wild_statement(&s->wild_statement, os); |
1140 | break; | |
2fa0b342 | 1141 | default: |
1418c83b | 1142 | printf("Fail with %d\n",s->header.type); |
2fa0b342 DHW |
1143 | FAIL(); |
1144 | break; | |
1418c83b SC |
1145 | case lang_address_statement_enum: |
1146 | printf("address\n"); | |
1147 | break; | |
2fa0b342 DHW |
1148 | break; |
1149 | case lang_object_symbols_statement_enum: | |
1150 | printf("object symbols\n"); | |
1151 | break; | |
1152 | case lang_fill_statement_enum: | |
1153 | print_fill_statement(&s->fill_statement); | |
1154 | break; | |
1155 | case lang_data_statement_enum: | |
1156 | print_data_statement(&s->data_statement); | |
1157 | break; | |
2fa0b342 DHW |
1158 | case lang_input_section_enum: |
1159 | print_input_section(&s->input_section); | |
1160 | break; | |
1161 | case lang_padding_statement_enum: | |
1162 | print_padding_statement(&s->padding_statement); | |
1163 | break; | |
1164 | case lang_output_section_statement_enum: | |
1165 | print_output_section_statement(&s->output_section_statement); | |
1166 | break; | |
1167 | case lang_assignment_statement_enum: | |
1168 | print_assignment(&s->assignment_statement, | |
1418c83b | 1169 | os); |
2fa0b342 DHW |
1170 | break; |
1171 | ||
1172 | ||
1173 | case lang_target_statement_enum: | |
1174 | printf("TARGET(%s)\n", s->target_statement.target); | |
1175 | break; | |
1176 | case lang_output_statement_enum: | |
097879bc SC |
1177 | printf("OUTPUT(%s %s)\n", |
1178 | s->output_statement.name, | |
1179 | output_target); | |
2fa0b342 DHW |
1180 | break; |
1181 | case lang_input_statement_enum: | |
1182 | print_input_statement(&s->input_statement); | |
1183 | break; | |
1184 | case lang_afile_asection_pair_statement_enum: | |
1185 | FAIL(); | |
1186 | break; | |
1187 | } | |
1188 | s = s->next; | |
1189 | } | |
1190 | } | |
1191 | ||
1192 | ||
1193 | static void | |
1418c83b | 1194 | DEFUN_VOID(print_statements) |
2fa0b342 DHW |
1195 | { |
1196 | print_statement(statement_list.head, | |
1197 | (lang_output_section_statement_type *)NULL); | |
1198 | } | |
1199 | ||
1200 | static bfd_vma | |
1418c83b SC |
1201 | DEFUN(insert_pad,(this_ptr, fill, power, output_section_statement, dot), |
1202 | lang_statement_union_type **this_ptr AND | |
1203 | fill_type fill AND | |
1204 | unsigned int power AND | |
1205 | asection * output_section_statement AND | |
1206 | bfd_vma dot) | |
2fa0b342 DHW |
1207 | { |
1208 | /* Align this section first to the | |
1209 | input sections requirement, then | |
1210 | to the output section's requirement. | |
1211 | If this alignment is > than any seen before, | |
1212 | then record it too. Perform the alignment by | |
1213 | inserting a magic 'padding' statement. | |
1214 | */ | |
1215 | ||
1216 | unsigned int alignment_needed = align_power(dot, power) - dot; | |
1217 | ||
1218 | if (alignment_needed != 0) | |
1219 | { | |
1220 | lang_statement_union_type *new = | |
1221 | (lang_statement_union_type *) | |
3f8d46e7 | 1222 | ldmalloc((bfd_size_type)(sizeof(lang_padding_statement_type))); |
2fa0b342 DHW |
1223 | /* Link into existing chain */ |
1224 | new->header.next = *this_ptr; | |
1225 | *this_ptr = new; | |
1226 | new->header.type = lang_padding_statement_enum; | |
1227 | new->padding_statement.output_section = output_section_statement; | |
1228 | new->padding_statement.output_offset = | |
1229 | dot - output_section_statement->vma; | |
1230 | new->padding_statement.fill = fill; | |
1231 | new->padding_statement.size = alignment_needed; | |
1232 | } | |
1233 | ||
1234 | ||
1235 | /* Remember the most restrictive alignment */ | |
1236 | if (power > output_section_statement->alignment_power) { | |
1237 | output_section_statement->alignment_power = power; | |
1238 | } | |
1239 | output_section_statement->size += alignment_needed; | |
1240 | return alignment_needed + dot; | |
1241 | ||
1242 | } | |
1243 | ||
1418c83b | 1244 | /* Work out how much this section will move the dot point */ |
2fa0b342 | 1245 | static bfd_vma |
1418c83b SC |
1246 | DEFUN(size_input_section, (this_ptr, output_section_statement, fill, dot), |
1247 | lang_statement_union_type **this_ptr AND | |
1248 | lang_output_section_statement_type*output_section_statement AND | |
1249 | unsigned short fill AND | |
1250 | bfd_vma dot) | |
2fa0b342 DHW |
1251 | { |
1252 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1253 | asection *i = is->section; | |
1418c83b SC |
1254 | |
1255 | if (is->ifile->just_syms_flag == false) { | |
ac004870 SC |
1256 | dot = insert_pad(this_ptr, fill, i->alignment_power, |
1257 | output_section_statement->bfd_section, dot); | |
2fa0b342 | 1258 | |
7bc4a0d7 SC |
1259 | /* remember the largest size so we can malloc the largest area |
1260 | needed for the output stage. Only remember the size of sections | |
1261 | which we will actually allocate */ | |
1262 | if (((i->flags & | |
1263 | (SEC_HAS_CONTENTS | SEC_LOAD)) == (SEC_HAS_CONTENTS | SEC_LOAD)) | |
1264 | && (i->size > largest_section)) { | |
ac004870 SC |
1265 | largest_section = i->size; |
1266 | } | |
2fa0b342 | 1267 | |
ac004870 | 1268 | /* Remember where in the output section this input section goes */ |
2fa0b342 | 1269 | |
ac004870 SC |
1270 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1271 | ||
1272 | /* Mark how big the output section must be to contain this now */ | |
1273 | dot += i->size; | |
1274 | output_section_statement->bfd_section->size = | |
1275 | dot - output_section_statement->bfd_section->vma; | |
1276 | } | |
1277 | else | |
1278 | { | |
1279 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1280 | } | |
2fa0b342 DHW |
1281 | |
1282 | return dot ; | |
1283 | } | |
1284 | ||
1285 | ||
1286 | /* Work out the size of the output sections | |
1287 | from the sizes of the input sections */ | |
1288 | static bfd_vma | |
1418c83b SC |
1289 | DEFUN(lang_size_sections,(s, output_section_statement, prev, fill, dot), |
1290 | lang_statement_union_type *s AND | |
1291 | lang_output_section_statement_type * output_section_statement AND | |
1292 | lang_statement_union_type **prev AND | |
1293 | unsigned short fill AND | |
1294 | bfd_vma dot) | |
2fa0b342 DHW |
1295 | { |
1296 | /* Size up the sections from their constituent parts */ | |
1297 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
1418c83b SC |
1298 | { |
1299 | switch (s->header.type) { | |
1300 | case lang_output_section_statement_enum: | |
1301 | { | |
1302 | bfd_vma after; | |
1303 | lang_output_section_statement_type *os = | |
1304 | &(s->output_section_statement); | |
1305 | /* The start of a section */ | |
2fa0b342 | 1306 | |
1418c83b SC |
1307 | if (os->addr_tree == (etree_type *)NULL) { |
1308 | /* No address specified for this section, get one | |
1309 | from the region specification | |
1310 | */ | |
1311 | if (os->region == (lang_memory_region_type *)NULL) { | |
2fa0b342 | 1312 | os->region = lang_memory_region_lookup("*default*"); |
1418c83b SC |
1313 | } |
1314 | dot = os->region->current; | |
2fa0b342 | 1315 | } |
1418c83b SC |
1316 | else { |
1317 | etree_value_type r ; | |
1318 | r = exp_fold_tree(os->addr_tree, | |
1319 | (lang_output_section_statement_type *)NULL, | |
1320 | lang_allocating_phase_enum, | |
1321 | dot, &dot); | |
1322 | if (r.valid == false) { | |
1323 | info("%F%S: non constant address expression for section %s\n", | |
1324 | os->name); | |
1325 | } | |
1326 | dot = r.value; | |
1327 | } | |
1328 | /* The section starts here */ | |
1329 | /* First, align to what the section needs */ | |
2fa0b342 | 1330 | |
1418c83b SC |
1331 | dot = align_power(dot, os->bfd_section->alignment_power); |
1332 | os->bfd_section->vma = dot; | |
1333 | os->bfd_section->output_offset = 0; | |
2fa0b342 | 1334 | |
1418c83b SC |
1335 | (void) lang_size_sections(os->children.head, os, &os->children.head, |
1336 | os->fill, dot); | |
1337 | /* Ignore the size of the input sections, use the vma and size to */ | |
1338 | /* align against */ | |
2fa0b342 DHW |
1339 | |
1340 | ||
1418c83b SC |
1341 | after = ALIGN(os->bfd_section->vma + |
1342 | os->bfd_section->size, | |
1343 | os->block_value) ; | |
2fa0b342 DHW |
1344 | |
1345 | ||
1418c83b SC |
1346 | os->bfd_section->size = after - os->bfd_section->vma; |
1347 | dot = os->bfd_section->vma + os->bfd_section->size; | |
1348 | os->processed = true; | |
2fa0b342 | 1349 | |
1418c83b SC |
1350 | /* Replace into region ? */ |
1351 | if (os->addr_tree == (etree_type *)NULL | |
1352 | && os->region !=(lang_memory_region_type*)NULL ) { | |
1353 | os->region->current = dot; | |
1354 | } | |
1355 | } | |
2fa0b342 | 1356 | |
1418c83b | 1357 | break; |
2fa0b342 | 1358 | |
1418c83b SC |
1359 | case lang_data_statement_enum: |
1360 | { | |
1361 | unsigned int size; | |
65c552e3 | 1362 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; |
1418c83b SC |
1363 | s->data_statement.output_section = |
1364 | output_section_statement->bfd_section; | |
2fa0b342 | 1365 | |
1418c83b SC |
1366 | switch (s->data_statement.type) { |
1367 | case LONG: | |
1368 | size = LONG_SIZE; | |
1369 | break; | |
1370 | case SHORT: | |
1371 | size = SHORT_SIZE; | |
1372 | break; | |
1373 | case BYTE: | |
1374 | size = BYTE_SIZE; | |
1375 | break; | |
2fa0b342 | 1376 | |
1418c83b SC |
1377 | } |
1378 | dot += size; | |
1379 | output_section_statement->bfd_section->size += size; | |
1380 | } | |
1381 | break; | |
2fa0b342 | 1382 | |
1418c83b | 1383 | case lang_wild_statement_enum: |
2fa0b342 | 1384 | |
1418c83b | 1385 | dot = lang_size_sections(s->wild_statement.children.head, |
2fa0b342 DHW |
1386 | output_section_statement, |
1387 | &s->wild_statement.children.head, | |
1388 | ||
1389 | fill, dot); | |
1390 | ||
1418c83b | 1391 | break; |
2fa0b342 | 1392 | |
1418c83b SC |
1393 | case lang_object_symbols_statement_enum: |
1394 | create_object_symbols = output_section_statement; | |
1395 | break; | |
1396 | case lang_output_statement_enum: | |
1397 | case lang_target_statement_enum: | |
1398 | break; | |
1399 | case lang_input_section_enum: | |
1400 | dot = size_input_section(prev, | |
2fa0b342 DHW |
1401 | output_section_statement, |
1402 | output_section_statement->fill, dot); | |
1418c83b SC |
1403 | break; |
1404 | case lang_input_statement_enum: | |
1405 | break; | |
1406 | case lang_fill_statement_enum: | |
1407 | fill = s->fill_statement.fill; | |
1408 | break; | |
1409 | case lang_assignment_statement_enum: | |
2fa0b342 | 1410 | { |
1418c83b SC |
1411 | bfd_vma newdot = dot; |
1412 | exp_fold_tree(s->assignment_statement.exp, | |
1413 | output_section_statement, | |
1414 | lang_allocating_phase_enum, | |
1415 | dot, | |
1416 | &newdot); | |
1417 | ||
1418 | if (newdot != dot) | |
1419 | /* We've been moved ! so insert a pad */ | |
1420 | { | |
1421 | lang_statement_union_type *new = | |
1422 | (lang_statement_union_type *) | |
3f8d46e7 | 1423 | ldmalloc((bfd_size_type)(sizeof(lang_padding_statement_type))); |
1418c83b SC |
1424 | /* Link into existing chain */ |
1425 | new->header.next = *prev; | |
1426 | *prev = new; | |
1427 | new->header.type = lang_padding_statement_enum; | |
1428 | new->padding_statement.output_section = | |
1429 | output_section_statement->bfd_section; | |
1430 | new->padding_statement.output_offset = | |
1431 | dot - output_section_statement->bfd_section->vma; | |
1432 | new->padding_statement.fill = fill; | |
1433 | new->padding_statement.size = newdot - dot; | |
1434 | output_section_statement->bfd_section->size += | |
1435 | new->padding_statement.size; | |
1436 | dot = newdot; | |
1437 | } | |
2fa0b342 | 1438 | } |
2fa0b342 | 1439 | |
1418c83b SC |
1440 | break; |
1441 | case lang_padding_statement_enum: | |
1442 | FAIL(); | |
1443 | break; | |
1444 | default: | |
1445 | FAIL(); | |
1446 | break; | |
1447 | case lang_address_statement_enum: | |
1448 | break; | |
1449 | } | |
1450 | prev = &s->header.next; | |
2fa0b342 | 1451 | } |
2fa0b342 DHW |
1452 | return dot; |
1453 | } | |
1454 | ||
1455 | ||
1456 | static bfd_vma | |
1418c83b SC |
1457 | DEFUN(lang_do_assignments,(s, output_section_statement, fill, dot), |
1458 | lang_statement_union_type *s AND | |
1459 | lang_output_section_statement_type * output_section_statement AND | |
1460 | unsigned short fill AND | |
1461 | bfd_vma dot) | |
2fa0b342 DHW |
1462 | { |
1463 | ||
1464 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
1465 | { | |
1466 | switch (s->header.type) { | |
1467 | case lang_output_section_statement_enum: | |
1468 | { | |
1469 | lang_output_section_statement_type *os = | |
1470 | &(s->output_section_statement); | |
1471 | dot = os->bfd_section->vma; | |
1472 | (void) lang_do_assignments(os->children.head, os, os->fill, dot); | |
1473 | dot = os->bfd_section->vma + os->bfd_section->size; | |
1474 | } | |
1475 | break; | |
1476 | case lang_wild_statement_enum: | |
1477 | ||
1478 | dot = lang_do_assignments(s->wild_statement.children.head, | |
1479 | output_section_statement, | |
1480 | fill, dot); | |
1481 | ||
1482 | break; | |
1483 | ||
1484 | case lang_object_symbols_statement_enum: | |
1485 | case lang_output_statement_enum: | |
1486 | case lang_target_statement_enum: | |
1418c83b | 1487 | #if 0 |
2fa0b342 | 1488 | case lang_common_statement_enum: |
1418c83b | 1489 | #endif |
2fa0b342 DHW |
1490 | break; |
1491 | case lang_data_statement_enum: | |
1492 | { | |
1493 | etree_value_type value ; | |
1494 | value = exp_fold_tree(s->data_statement.exp, | |
1495 | 0, lang_final_phase_enum, dot, &dot); | |
1496 | s->data_statement.value = value.value; | |
1497 | if (value.valid == false) info("%F%P: Invalid data statement\n"); | |
1498 | } | |
1499 | switch (s->data_statement.type) { | |
1500 | case LONG: | |
1501 | dot += LONG_SIZE; | |
1502 | break; | |
1503 | case SHORT: | |
1504 | dot += SHORT_SIZE; | |
1505 | break; | |
1506 | case BYTE: | |
1507 | dot += BYTE_SIZE; | |
1508 | break; | |
1509 | } | |
1510 | break; | |
1511 | case lang_input_section_enum: | |
1512 | { | |
1513 | asection *in = s->input_section.section; | |
1514 | dot += in->size; | |
1515 | } | |
1516 | break; | |
1517 | ||
1518 | case lang_input_statement_enum: | |
1519 | break; | |
1520 | case lang_fill_statement_enum: | |
1521 | fill = s->fill_statement.fill; | |
1522 | break; | |
1523 | case lang_assignment_statement_enum: | |
1524 | { | |
1525 | exp_fold_tree(s->assignment_statement.exp, | |
1526 | output_section_statement, | |
1527 | lang_final_phase_enum, | |
1528 | dot, | |
1529 | &dot); | |
1530 | } | |
1531 | ||
1532 | break; | |
1533 | case lang_padding_statement_enum: | |
1534 | dot += s->padding_statement.size; | |
1535 | break; | |
1536 | default: | |
1537 | FAIL(); | |
1538 | break; | |
1539 | case lang_address_statement_enum: | |
1540 | break; | |
1541 | } | |
1542 | ||
1543 | } | |
1544 | return dot; | |
1545 | } | |
1546 | ||
1547 | ||
1548 | ||
1418c83b SC |
1549 | static void |
1550 | DEFUN_VOID(lang_relocate_globals) | |
2fa0b342 DHW |
1551 | { |
1552 | ||
1553 | /* | |
1418c83b SC |
1554 | Each ldsym_type maintains a chain of pointers to asymbols which |
1555 | references the definition. Replace each pointer to the referenence | |
1556 | with a pointer to only one place, preferably the definition. If | |
1557 | the defintion isn't available then the common symbol, and if | |
1558 | there isn't one of them then choose one reference. | |
1559 | */ | |
2fa0b342 DHW |
1560 | |
1561 | FOR_EACH_LDSYM(lgs) { | |
1562 | asymbol *it; | |
1563 | if (lgs->sdefs_chain) { | |
1564 | it = *(lgs->sdefs_chain); | |
1565 | } | |
1566 | else if (lgs->scoms_chain != (asymbol **)NULL) { | |
1567 | it = *(lgs->scoms_chain); | |
1568 | } | |
1569 | else if (lgs->srefs_chain != (asymbol **)NULL) { | |
1570 | it = *(lgs->srefs_chain); | |
1571 | } | |
1572 | else { | |
1418c83b SC |
1573 | /* This can happen when the command line asked for a symbol to |
1574 | be -u */ | |
1575 | it = (asymbol *)NULL; | |
2fa0b342 DHW |
1576 | } |
1577 | if (it != (asymbol *)NULL) | |
1418c83b SC |
1578 | { |
1579 | asymbol **ptr= lgs->srefs_chain; | |
2fa0b342 | 1580 | |
1418c83b SC |
1581 | while (ptr != (asymbol **)NULL) { |
1582 | asymbol *ref = *ptr; | |
1583 | *ptr = it; | |
1584 | ptr = (asymbol **)(ref->udata); | |
1585 | } | |
2fa0b342 | 1586 | } |
2fa0b342 DHW |
1587 | } |
1588 | } | |
1589 | ||
1590 | ||
1591 | ||
2fa0b342 | 1592 | static void |
1418c83b | 1593 | DEFUN_VOID(lang_finish) |
2fa0b342 DHW |
1594 | { |
1595 | ldsym_type *lgs; | |
1596 | ||
1597 | if (entry_symbol == (char *)NULL) { | |
1598 | /* No entry has been specified, look for start */ | |
1599 | entry_symbol = "start"; | |
1600 | } | |
1601 | lgs = ldsym_get_soft(entry_symbol); | |
1602 | if (lgs && lgs->sdefs_chain) { | |
1603 | asymbol *sy = *(lgs->sdefs_chain); | |
1604 | /* We can set the entry address*/ | |
1605 | bfd_set_start_address(output_bfd, | |
1606 | outside_symbol_address(sy)); | |
1607 | ||
1608 | } | |
1609 | else { | |
1610 | /* Can't find anything reasonable, | |
1611 | use the first address in the text section | |
1612 | */ | |
1613 | asection *ts = bfd_get_section_by_name(output_bfd, ".text"); | |
1614 | if (ts) { | |
1615 | bfd_set_start_address(output_bfd, ts->vma); | |
1616 | } | |
1617 | } | |
1618 | } | |
1619 | ||
1620 | /* By now we know the target architecture, and we may have an */ | |
1621 | /* ldfile_output_machine_name */ | |
1622 | static void | |
1418c83b | 1623 | DEFUN_VOID(lang_check) |
2fa0b342 DHW |
1624 | { |
1625 | lang_statement_union_type *file; | |
7bc4a0d7 | 1626 | |
3f8d46e7 JG |
1627 | bfd * input_bfd; |
1628 | unsigned long input_machine; | |
7bc4a0d7 | 1629 | enum bfd_architecture input_architecture; |
06850bea SC |
1630 | CONST char *out_arch; |
1631 | char *out_arch2; | |
2fa0b342 | 1632 | |
7bc4a0d7 | 1633 | |
2fa0b342 DHW |
1634 | for (file = file_chain.head; |
1635 | file != (lang_statement_union_type *)NULL; | |
1636 | file=file->input_statement.next) | |
1418c83b | 1637 | { |
06850bea SC |
1638 | unsigned long ldfile_new_output_machine = 0; |
1639 | enum bfd_architecture ldfile_new_output_architecture = bfd_arch_unknown; | |
7bc4a0d7 | 1640 | |
3f8d46e7 | 1641 | input_bfd = file->input_statement.the_bfd; |
7bc4a0d7 | 1642 | |
3f8d46e7 | 1643 | input_machine = bfd_get_machine(input_bfd); |
7bc4a0d7 SC |
1644 | input_architecture = bfd_get_architecture(input_bfd); |
1645 | ||
3f8d46e7 JG |
1646 | |
1647 | /* Inspect the architecture and ensure we're linking like with like */ | |
7bc4a0d7 SC |
1648 | if (!bfd_arch_compatible(input_bfd, |
1649 | output_bfd, | |
1650 | &ldfile_new_output_architecture, | |
1651 | &ldfile_new_output_machine)) | |
1652 | { | |
1653 | ||
1654 | /* Result of bfd_printable_arch_mach is not guaranteed to stick | |
1655 | around after next call, so we have to copy it. */ | |
1656 | out_arch = bfd_printable_arch_mach(ldfile_output_architecture, | |
1657 | ldfile_output_machine); | |
1658 | out_arch2 = ldmalloc (strlen (out_arch)+1); | |
1659 | strcpy (out_arch2, out_arch); | |
1660 | ||
1661 | info("%P: warning, %s architecture of input file `%B' incompatible with %s output\n", | |
1662 | bfd_printable_arch_mach(input_architecture, input_machine), | |
1663 | input_bfd, | |
1664 | out_arch2); | |
1665 | free (out_arch2); | |
1666 | ||
1667 | ||
1668 | bfd_set_arch_mach(output_bfd, | |
1669 | ldfile_new_output_architecture, | |
1670 | ldfile_new_output_machine); | |
1671 | } | |
2fa0b342 | 1672 | } |
7bc4a0d7 | 1673 | |
2fa0b342 DHW |
1674 | } |
1675 | ||
1676 | ||
1677 | /* | |
1678 | * run through all the global common symbols and tie them | |
b6316534 SC |
1679 | * to the output section requested. |
1680 | * | |
1681 | As an experiment we do this 4 times, once for all the byte sizes, | |
1682 | then all the two bytes, all the four bytes and then everything else | |
1683 | */ | |
2fa0b342 DHW |
1684 | |
1685 | static void | |
1418c83b | 1686 | DEFUN_VOID(lang_common) |
2fa0b342 DHW |
1687 | { |
1688 | ldsym_type *lgs; | |
b6316534 | 1689 | size_t power; |
2fa0b342 DHW |
1690 | if (config.relocateable_output == false || |
1691 | command_line.force_common_definition== true) { | |
b6316534 SC |
1692 | for (power = 1; (config.sort_common == true && power == 1) || (power <= 16); power <<=1) { |
1693 | for (lgs = symbol_head; | |
1694 | lgs != (ldsym_type *)NULL; | |
1695 | lgs=lgs->next) | |
1418c83b SC |
1696 | { |
1697 | asymbol *com ; | |
1698 | unsigned int power_of_two; | |
1699 | size_t size; | |
1700 | size_t align; | |
1701 | if (lgs->scoms_chain != (asymbol **)NULL) { | |
1702 | com = *(lgs->scoms_chain); | |
1703 | size = com->value; | |
1704 | switch (size) { | |
1705 | case 0: | |
1706 | case 1: | |
1707 | align = 1; | |
1708 | power_of_two = 0; | |
1709 | break; | |
1710 | case 2: | |
1711 | power_of_two = 1; | |
1712 | align = 2; | |
1713 | break; | |
1714 | case 3: | |
1715 | case 4: | |
1716 | power_of_two =2; | |
1717 | align = 4; | |
1718 | break; | |
1719 | case 5: | |
1720 | case 6: | |
1721 | case 7: | |
1722 | case 8: | |
1723 | power_of_two = 3; | |
2fa0b342 | 1724 | align = 8; |
1418c83b SC |
1725 | break; |
1726 | default: | |
1727 | power_of_two = 4; | |
1728 | align = 16; | |
1729 | break; | |
2fa0b342 | 1730 | } |
b6316534 SC |
1731 | if (config.sort_common == false || align == power) { |
1732 | /* Change from a common symbol into a definition of | |
1733 | a symbol */ | |
1734 | lgs->sdefs_chain = lgs->scoms_chain; | |
1735 | lgs->scoms_chain = (asymbol **)NULL; | |
1736 | commons_pending--; | |
1737 | /* Point to the correct common section */ | |
1738 | com->section = | |
1739 | ((lang_input_statement_type *) | |
1740 | (com->the_bfd->usrdata))->common_section; | |
1741 | /* Fix the size of the common section */ | |
1742 | com->section->size = ALIGN(com->section->size, align); | |
1743 | ||
1744 | /* Remember if this is the biggest alignment ever seen */ | |
1745 | if (power_of_two > com->section->alignment_power) { | |
1746 | com->section->alignment_power = power_of_two; | |
1747 | } | |
2fa0b342 | 1748 | |
b6316534 SC |
1749 | /* Symbol stops being common and starts being global, but |
1750 | we remember that it was common once. */ | |
2fa0b342 | 1751 | |
b6316534 SC |
1752 | com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON; |
1753 | com->value = com->section->size; | |
1418c83b | 1754 | |
b6316534 | 1755 | if (write_map) |
1418c83b | 1756 | { |
b6316534 | 1757 | printf ("Allocating common %s: %x at %x %s\n", |
1418c83b SC |
1758 | lgs->name, |
1759 | (unsigned) size, | |
b6316534 SC |
1760 | (unsigned) com->value, |
1761 | com->the_bfd->filename); | |
1418c83b | 1762 | } |
097879bc | 1763 | |
b6316534 | 1764 | com->section->size += size; |
1418c83b | 1765 | |
b6316534 | 1766 | } |
1418c83b | 1767 | } |
b6316534 | 1768 | |
2fa0b342 | 1769 | } |
b6316534 | 1770 | } |
2fa0b342 | 1771 | } |
1418c83b SC |
1772 | |
1773 | ||
2fa0b342 DHW |
1774 | } |
1775 | ||
1776 | /* | |
1777 | run through the input files and ensure that every input | |
1778 | section has somewhere to go. If one is found without | |
1779 | a destination then create an input request and place it | |
1780 | into the statement tree. | |
1781 | */ | |
1782 | ||
1418c83b SC |
1783 | static void |
1784 | DEFUN_VOID(lang_place_orphans) | |
2fa0b342 DHW |
1785 | { |
1786 | lang_input_statement_type *file; | |
1787 | for (file = (lang_input_statement_type*)file_chain.head; | |
1788 | file != (lang_input_statement_type*)NULL; | |
1789 | file = (lang_input_statement_type*)file->next) { | |
1790 | asection *s; | |
1791 | for (s = file->the_bfd->sections; | |
1792 | s != (asection *)NULL; | |
1793 | s = s->next) { | |
1794 | if ( s->output_section == (asection *)NULL) { | |
1795 | /* This section of the file is not attatched, root | |
1796 | around for a sensible place for it to go */ | |
1797 | ||
1798 | if (file->common_section == s) { | |
1799 | /* This is a lonely common section which must | |
1800 | have come from an archive. We attatch to the | |
1801 | section with the wildcard */ | |
1418c83b SC |
1802 | if (config.relocateable_output != true |
1803 | && command_line.force_common_definition == false) { | |
1804 | if (default_common_section == | |
1805 | (lang_output_section_statement_type *)NULL) { | |
1806 | info("%P: No [COMMON] command, defaulting to .bss\n"); | |
1807 | ||
1808 | default_common_section = | |
1809 | lang_output_section_statement_lookup(".bss"); | |
1810 | ||
1811 | } | |
1812 | wild_doit(&default_common_section->children, s, | |
1813 | default_common_section, file); | |
1814 | } | |
2fa0b342 DHW |
1815 | } |
1816 | else { | |
1817 | lang_output_section_statement_type *os = | |
1818 | lang_output_section_statement_lookup(s->name); | |
1819 | ||
1820 | wild_doit(&os->children, s, os, file); | |
1821 | } | |
1822 | } | |
1823 | } | |
2fa0b342 DHW |
1824 | } |
1825 | } | |
1826 | ||
1827 | ||
2fa0b342 | 1828 | void |
1418c83b | 1829 | DEFUN(lang_set_flags,(ptr, flags), |
7bc4a0d7 | 1830 | int *ptr AND |
1418c83b | 1831 | CONST char *flags) |
2fa0b342 DHW |
1832 | { |
1833 | boolean state = true; | |
7bc4a0d7 | 1834 | *ptr= 0; |
2fa0b342 | 1835 | while (*flags) |
1418c83b SC |
1836 | { |
1837 | if (*flags == '!') { | |
1838 | state = false; | |
1839 | flags++; | |
1840 | } | |
1841 | else state = true; | |
1842 | switch (*flags) { | |
1843 | case 'R': | |
7bc4a0d7 | 1844 | /* ptr->flag_read = state; */ |
1418c83b SC |
1845 | break; |
1846 | case 'W': | |
7bc4a0d7 | 1847 | /* ptr->flag_write = state; */ |
1418c83b SC |
1848 | break; |
1849 | case 'X': | |
7bc4a0d7 | 1850 | /* ptr->flag_executable= state;*/ |
1418c83b SC |
1851 | break; |
1852 | case 'L': | |
b6316534 | 1853 | case 'I': |
7bc4a0d7 | 1854 | /* ptr->flag_loadable= state;*/ |
1418c83b SC |
1855 | break; |
1856 | default: | |
1857 | info("%P%F illegal syntax in flags\n"); | |
1858 | break; | |
1859 | } | |
2fa0b342 DHW |
1860 | flags++; |
1861 | } | |
2fa0b342 DHW |
1862 | } |
1863 | ||
1864 | ||
1865 | ||
1866 | void | |
1418c83b SC |
1867 | DEFUN(lang_for_each_file,(func), |
1868 | PROTO(void, (*func),(lang_input_statement_type *))) | |
2fa0b342 DHW |
1869 | { |
1870 | lang_input_statement_type *f; | |
1871 | for (f = (lang_input_statement_type *)file_chain.head; | |
1872 | f != (lang_input_statement_type *)NULL; | |
1873 | f = (lang_input_statement_type *)f->next) | |
1418c83b SC |
1874 | { |
1875 | func(f); | |
1876 | } | |
2fa0b342 DHW |
1877 | } |
1878 | ||
1879 | ||
1880 | void | |
1418c83b SC |
1881 | DEFUN(lang_for_each_input_section, (func), |
1882 | PROTO(void ,(*func),(bfd *ab, asection*as))) | |
2fa0b342 DHW |
1883 | { |
1884 | lang_input_statement_type *f; | |
1885 | for (f = (lang_input_statement_type *)file_chain.head; | |
1886 | f != (lang_input_statement_type *)NULL; | |
1887 | f = (lang_input_statement_type *)f->next) | |
1888 | { | |
1889 | asection *s; | |
1890 | for (s = f->the_bfd->sections; | |
1891 | s != (asection *)NULL; | |
1892 | s = s->next) { | |
1893 | func(f->the_bfd, s); | |
1894 | } | |
1895 | } | |
1896 | } | |
1897 | ||
1898 | ||
1899 | ||
1900 | void | |
1418c83b SC |
1901 | DEFUN(ldlang_add_file,(entry), |
1902 | lang_input_statement_type *entry) | |
2fa0b342 | 1903 | { |
1418c83b | 1904 | |
2fa0b342 DHW |
1905 | lang_statement_append(&file_chain, |
1906 | (lang_statement_union_type *)entry, | |
1907 | &entry->next); | |
1908 | } | |
1909 | ||
1910 | ||
1911 | ||
1912 | void | |
1418c83b SC |
1913 | DEFUN(lang_add_output,(name), |
1914 | CONST char *name) | |
2fa0b342 DHW |
1915 | { |
1916 | lang_output_statement_type *new = new_stat(lang_output_statement, | |
1917 | stat_ptr); | |
1918 | new->name = name; | |
1919 | had_output_filename = true; | |
1920 | } | |
1921 | ||
1922 | ||
1923 | static lang_output_section_statement_type *current_section; | |
1924 | ||
1925 | void | |
1418c83b SC |
1926 | DEFUN(lang_enter_output_section_statement, |
1927 | (output_section_statement_name, | |
1928 | address_exp, | |
7bc4a0d7 | 1929 | flags, |
1418c83b SC |
1930 | block_value), |
1931 | char *output_section_statement_name AND | |
1932 | etree_type *address_exp AND | |
7bc4a0d7 | 1933 | int flags AND |
1418c83b | 1934 | bfd_vma block_value) |
2fa0b342 DHW |
1935 | { |
1936 | lang_output_section_statement_type *os; | |
1937 | current_section = | |
1938 | os = | |
1939 | lang_output_section_statement_lookup(output_section_statement_name); | |
1940 | ||
1941 | ||
1942 | /* Add this statement to tree */ | |
1943 | /* add_statement(lang_output_section_statement_enum, | |
1944 | output_section_statement);*/ | |
1945 | /* Make next things chain into subchain of this */ | |
1946 | ||
1947 | if (os->addr_tree == | |
1948 | (etree_type *)NULL) { | |
1949 | os->addr_tree = | |
1950 | address_exp; | |
1951 | } | |
7bc4a0d7 | 1952 | os->flags = flags; |
2fa0b342 DHW |
1953 | os->block_value = block_value; |
1954 | stat_ptr = & os->children; | |
1955 | ||
1956 | } | |
1957 | ||
1958 | ||
1959 | void | |
1418c83b | 1960 | DEFUN_VOID(lang_final) |
2fa0b342 DHW |
1961 | { |
1962 | if (had_output_filename == false) { | |
e89432c7 SC |
1963 | extern CONST char *output_filename; |
1964 | lang_add_output(output_filename); | |
2fa0b342 | 1965 | } |
2fa0b342 DHW |
1966 | } |
1967 | ||
1968 | ||
1969 | ||
1970 | ||
1971 | ||
1418c83b SC |
1972 | asymbol * |
1973 | DEFUN(create_symbol,(name, flags, section), | |
1974 | CONST char *name AND | |
1975 | flagword flags AND | |
1976 | asection *section) | |
2fa0b342 DHW |
1977 | { |
1978 | extern lang_input_statement_type *script_file; | |
3f8d46e7 | 1979 | asymbol **def_ptr = (asymbol **)ldmalloc((bfd_size_type)(sizeof(asymbol **))); |
2fa0b342 DHW |
1980 | /* Add this definition to script file */ |
1981 | asymbol *def = (asymbol *)bfd_make_empty_symbol(script_file->the_bfd); | |
1418c83b | 1982 | def->name = buystring(name); |
2fa0b342 DHW |
1983 | def->udata = 0; |
1984 | def->flags = flags; | |
1985 | def->section = section; | |
1986 | ||
1987 | *def_ptr = def; | |
1988 | Q_enter_global_ref(def_ptr); | |
1989 | return def; | |
1990 | } | |
1991 | ||
1992 | ||
1993 | void | |
1418c83b SC |
1994 | DEFUN_VOID(lang_process) |
1995 | { | |
1996 | if (had_script == false) { | |
1997 | parse_line(ldemul_get_script()); | |
1998 | } | |
1999 | lang_reasonable_defaults(); | |
2000 | current_target = default_target; | |
2001 | ||
2002 | lang_for_each_statement(ldlang_open_output); /* Open the output file */ | |
2003 | /* For each output section statement, create a section in the output | |
2004 | file */ | |
2005 | lang_create_output_section_statements(); | |
2006 | ||
2007 | /* Create a dummy bfd for the script */ | |
2008 | lang_init_script_file(); | |
2009 | ||
2010 | /* Add to the hash table all undefineds on the command line */ | |
2011 | lang_place_undefineds(); | |
2012 | ||
2013 | /* Create a bfd for each input file */ | |
2014 | current_target = default_target; | |
2015 | lang_for_each_statement(open_input_bfds); | |
2016 | ||
a0ad3035 | 2017 | common_section.userdata = (PTR)&common_section_userdata; |
1418c83b SC |
2018 | |
2019 | /* Run through the contours of the script and attatch input sections | |
2020 | to the correct output sections | |
2021 | */ | |
2022 | map_input_to_output_sections(statement_list.head, (char *)NULL, | |
2023 | ( lang_output_section_statement_type *)NULL); | |
2024 | ||
2025 | /* Find any sections not attatched explicitly and handle them */ | |
2026 | lang_place_orphans(); | |
2027 | ||
2028 | /* Size up the common data */ | |
2029 | lang_common(); | |
2030 | ||
2031 | ldemul_before_allocation(); | |
2032 | ||
2033 | /* Size up the sections */ | |
2034 | lang_size_sections(statement_list.head, | |
2035 | (lang_output_section_statement_type *)NULL, | |
2036 | &(statement_list.head), 0, (bfd_vma)0); | |
2037 | ||
2038 | /* See if anything special should be done now we know how big | |
2039 | everything is */ | |
2040 | ldemul_after_allocation(); | |
2041 | ||
2042 | /* Do all the assignments, now that we know the final restingplaces | |
2043 | of all the symbols */ | |
2044 | ||
2045 | lang_do_assignments(statement_list.head, | |
2046 | (lang_output_section_statement_type *)NULL, | |
2047 | 0, (bfd_vma)0); | |
2048 | ||
2049 | /* Make sure that we're not mixing architectures */ | |
2050 | ||
2051 | lang_check(); | |
2052 | ||
2053 | /* Move the global symbols around */ | |
2054 | lang_relocate_globals(); | |
2055 | ||
2056 | /* Final stuffs */ | |
2057 | lang_finish(); | |
2fa0b342 DHW |
2058 | } |
2059 | ||
2060 | ||
2061 | /* EXPORTED TO YACC */ | |
1418c83b | 2062 | |
2fa0b342 | 2063 | void |
1418c83b SC |
2064 | DEFUN(lang_add_wild,(section_name, filename), |
2065 | CONST char *CONST section_name AND | |
2066 | CONST char *CONST filename) | |
2067 | { | |
2068 | lang_wild_statement_type *new = new_stat(lang_wild_statement, | |
2069 | stat_ptr); | |
2070 | ||
2071 | if (section_name != (char *)NULL && strcmp(section_name,"COMMON") == 0) | |
2072 | { | |
2073 | placed_commons = true; | |
2074 | } | |
2075 | if (filename != (char *)NULL) { | |
2076 | lang_has_input_file = true; | |
2077 | } | |
2078 | new->section_name = section_name; | |
2079 | new->filename = filename; | |
2080 | lang_list_init(&new->children); | |
2081 | } | |
2082 | void | |
2083 | DEFUN(lang_section_start,(name, address), | |
2084 | CONST char *name AND | |
2085 | etree_type *address) | |
2fa0b342 DHW |
2086 | { |
2087 | lang_address_statement_type *ad =new_stat(lang_address_statement, stat_ptr); | |
2088 | ad->section_name = name; | |
2089 | ad->address = address; | |
2090 | } | |
1418c83b SC |
2091 | |
2092 | void | |
2093 | DEFUN(lang_add_entry,(name), | |
2094 | CONST char *name) | |
2fa0b342 DHW |
2095 | { |
2096 | entry_symbol = name; | |
2097 | } | |
2098 | ||
2099 | void | |
1418c83b SC |
2100 | DEFUN(lang_add_target,(name), |
2101 | CONST char *name) | |
2fa0b342 DHW |
2102 | { |
2103 | lang_target_statement_type *new = new_stat(lang_target_statement, | |
2104 | stat_ptr); | |
2105 | new->target = name; | |
2106 | ||
2107 | } | |
2fa0b342 | 2108 | |
1418c83b SC |
2109 | |
2110 | ||
2fa0b342 DHW |
2111 | |
2112 | void | |
1418c83b SC |
2113 | DEFUN(lang_add_map,(name), |
2114 | CONST char *name) | |
2fa0b342 DHW |
2115 | { |
2116 | while (*name) { | |
2117 | switch (*name) { | |
2118 | case 'F': | |
2119 | map_option_f = true; | |
2120 | break; | |
2121 | } | |
2122 | name++; | |
2123 | } | |
2124 | } | |
2125 | ||
1418c83b SC |
2126 | void |
2127 | DEFUN(lang_add_fill,(exp), | |
2128 | int exp) | |
2fa0b342 DHW |
2129 | { |
2130 | lang_fill_statement_type *new = new_stat(lang_fill_statement, | |
2131 | stat_ptr); | |
2132 | new->fill = exp; | |
2133 | } | |
2134 | ||
1418c83b SC |
2135 | void |
2136 | DEFUN(lang_add_data,(type, exp), | |
2137 | int type AND | |
2138 | union etree_union *exp) | |
2fa0b342 DHW |
2139 | { |
2140 | ||
2141 | lang_data_statement_type *new = new_stat(lang_data_statement, | |
2142 | stat_ptr); | |
2143 | new->exp = exp; | |
2144 | new->type = type; | |
2145 | ||
2146 | } | |
2147 | void | |
1418c83b SC |
2148 | DEFUN(lang_add_assignment,(exp), |
2149 | etree_type *exp) | |
2fa0b342 DHW |
2150 | { |
2151 | lang_assignment_statement_type *new = new_stat(lang_assignment_statement, | |
2152 | stat_ptr); | |
2153 | new->exp = exp; | |
2154 | } | |
2155 | ||
2156 | void | |
1418c83b SC |
2157 | DEFUN(lang_add_attribute,(attribute), |
2158 | enum statement_enum attribute) | |
2fa0b342 DHW |
2159 | { |
2160 | new_statement(attribute, sizeof(lang_statement_union_type),stat_ptr); | |
2161 | } | |
2162 | ||
2163 | ||
2164 | ||
2165 | void | |
1418c83b SC |
2166 | DEFUN(lang_startup,(name), |
2167 | CONST char *name) | |
2fa0b342 DHW |
2168 | { |
2169 | if (startup_file != (char *)NULL) { | |
2170 | info("%P%FMultiple STARTUP files\n"); | |
2171 | } | |
2172 | first_file->filename = name; | |
2173 | first_file->local_sym_name = name; | |
2174 | ||
2175 | startup_file= name; | |
2176 | } | |
2177 | void | |
1418c83b SC |
2178 | DEFUN(lang_float,(maybe), |
2179 | boolean maybe) | |
2fa0b342 DHW |
2180 | { |
2181 | lang_float_flag = maybe; | |
2182 | } | |
2183 | ||
2184 | void | |
1418c83b SC |
2185 | DEFUN(lang_leave_output_section_statement,(fill, memspec), |
2186 | bfd_vma fill AND | |
2187 | CONST char *memspec) | |
2fa0b342 DHW |
2188 | { |
2189 | current_section->fill = fill; | |
2190 | current_section->region = lang_memory_region_lookup(memspec); | |
2191 | stat_ptr = &statement_list; | |
2192 | } | |
9f32f7c2 SC |
2193 | /* |
2194 | Create an absolute symbol with the given name with the value of the | |
2195 | address of first byte of the section named. | |
2fa0b342 | 2196 | |
9f32f7c2 SC |
2197 | If the symbol already exists, then do nothing. |
2198 | */ | |
8cb5eb31 | 2199 | void |
1418c83b SC |
2200 | DEFUN(lang_abs_symbol_at_beginning_of,(section, name), |
2201 | CONST char *section AND | |
2202 | CONST char *name) | |
8cb5eb31 | 2203 | { |
c660714f | 2204 | if (ldsym_undefined(name)) { |
9f32f7c2 SC |
2205 | extern bfd *output_bfd; |
2206 | extern asymbol *create_symbol(); | |
2207 | asection *s = bfd_get_section_by_name(output_bfd, section); | |
2208 | asymbol *def = create_symbol(name, | |
2209 | BSF_GLOBAL | BSF_EXPORT | | |
2210 | BSF_ABSOLUTE, | |
2211 | (asection *)NULL); | |
2212 | if (s != (asection *)NULL) { | |
2213 | def->value = s->vma; | |
2214 | } | |
2215 | else { | |
2216 | def->value = 0; | |
2217 | } | |
8cb5eb31 SC |
2218 | } |
2219 | } | |
2220 | ||
9f32f7c2 SC |
2221 | /* |
2222 | Create an absolute symbol with the given name with the value of the | |
2223 | address of the first byte after the end of the section named. | |
2224 | ||
2225 | If the symbol already exists, then do nothing. | |
2226 | */ | |
2fa0b342 | 2227 | void |
1418c83b SC |
2228 | DEFUN(lang_abs_symbol_at_end_of,(section, name), |
2229 | CONST char *section AND | |
2230 | CONST char *name) | |
2fa0b342 | 2231 | { |
c660714f | 2232 | if (ldsym_undefined(name)){ |
9f32f7c2 SC |
2233 | extern bfd *output_bfd; |
2234 | extern asymbol *create_symbol(); | |
2235 | asection *s = bfd_get_section_by_name(output_bfd, section); | |
2236 | /* Add a symbol called _end */ | |
2237 | asymbol *def = create_symbol(name, | |
2238 | BSF_GLOBAL | BSF_EXPORT | | |
2239 | BSF_ABSOLUTE, | |
2240 | (asection *)NULL); | |
2241 | if (s != (asection *)NULL) { | |
2242 | def->value = s->vma + s->size; | |
2243 | } | |
2244 | else { | |
2245 | def->value = 0; | |
2246 | } | |
2fa0b342 DHW |
2247 | } |
2248 | } | |
2249 | ||
2250 | void | |
1418c83b SC |
2251 | DEFUN(lang_statement_append,(list, element, field), |
2252 | lang_statement_list_type *list AND | |
2253 | lang_statement_union_type *element AND | |
2254 | lang_statement_union_type **field) | |
2fa0b342 DHW |
2255 | { |
2256 | *(list->tail) = element; | |
2257 | list->tail = field; | |
2258 | } | |
2259 | ||
097879bc SC |
2260 | /* Set the output format type */ |
2261 | void | |
2262 | DEFUN(lang_add_output_format,(format), | |
2263 | CONST char *format) | |
2264 | { | |
2265 | output_target = format; | |
2266 | } | |
a37cc0c0 | 2267 |