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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" | |
3f8d46e7 JG |
31 | #include "ldgramtb.h" |
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 | |
434 | lang_section_flags_type *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 DHW |
494 | s->bfd_section->output_section = s->bfd_section; |
495 | s->bfd_section->flags = SEC_NO_FLAGS; | |
496 | /* We initialize an output sections output offset to minus its own */ | |
497 | /* vma to allow us to output a section through itself */ | |
498 | s->bfd_section->output_offset = 0; | |
a0ad3035 | 499 | get_userdata( s->bfd_section) = (PTR)new; |
2fa0b342 DHW |
500 | } |
501 | ||
1418c83b SC |
502 | /*********************************************************************** |
503 | The wild routines. | |
504 | ||
505 | These expand statements like *(.text) and foo.o to a list of | |
506 | explicit actions, like foo.o(.text), bar.o(.text) and | |
507 | foo.o(.text,.data) . | |
508 | ||
509 | The toplevel routine, wild, takes a statement, section, file and | |
510 | target. If either the section or file is null it is taken to be the | |
511 | wildcard. Seperate lang_input_section statements are created for | |
512 | each part of the expanstion, and placed after the statement provided. | |
513 | ||
514 | */ | |
515 | ||
2fa0b342 | 516 | static void |
1418c83b SC |
517 | DEFUN(wild_doit,(ptr, section, output, file), |
518 | lang_statement_list_type *ptr AND | |
519 | asection *section AND | |
520 | lang_output_section_statement_type *output AND | |
521 | lang_input_statement_type *file) | |
2fa0b342 DHW |
522 | { |
523 | if(output->bfd_section == (asection *)NULL) | |
524 | { | |
525 | init_os(output); | |
526 | } | |
527 | ||
528 | if (section != (asection *)NULL | |
529 | && section->output_section == (asection *)NULL) { | |
530 | /* Add a section reference to the list */ | |
531 | lang_input_section_type *new = new_stat(lang_input_section, ptr); | |
532 | ||
533 | new->section = section; | |
534 | new->ifile = file; | |
535 | section->output_section = output->bfd_section; | |
536 | section->output_section->flags |= section->flags; | |
537 | if (section->alignment_power > output->bfd_section->alignment_power) { | |
538 | output->bfd_section->alignment_power = section->alignment_power; | |
539 | } | |
2fa0b342 DHW |
540 | } |
541 | } | |
542 | ||
543 | static asection * | |
1418c83b SC |
544 | DEFUN(our_bfd_get_section_by_name,(abfd, section), |
545 | bfd *abfd AND | |
546 | CONST char *section) | |
2fa0b342 DHW |
547 | { |
548 | return bfd_get_section_by_name(abfd, section); | |
2fa0b342 | 549 | } |
1418c83b | 550 | |
2fa0b342 | 551 | static void |
1418c83b SC |
552 | DEFUN(wild_section,(ptr, section, file , output), |
553 | lang_wild_statement_type *ptr AND | |
554 | CONST char *section AND | |
555 | lang_input_statement_type *file AND | |
556 | lang_output_section_statement_type *output) | |
2fa0b342 DHW |
557 | { |
558 | asection *s; | |
1418c83b SC |
559 | if (file->just_syms_flag == false) { |
560 | if (section == (char *)NULL) { | |
561 | /* Do the creation to all sections in the file */ | |
562 | for (s = file->the_bfd->sections; s != (asection *)NULL; s=s->next) { | |
563 | wild_doit(&ptr->children, s, output, file); | |
564 | } | |
565 | } | |
566 | else { | |
567 | /* Do the creation to the named section only */ | |
568 | wild_doit(&ptr->children, | |
569 | our_bfd_get_section_by_name(file->the_bfd, section), | |
570 | output, file); | |
2fa0b342 DHW |
571 | } |
572 | } | |
2fa0b342 DHW |
573 | } |
574 | ||
575 | ||
1418c83b SC |
576 | /* passed a file name (which must have been seen already and added to |
577 | the statement tree. We will see if it has been opened already and | |
578 | had its symbols read. If not then we'll read it. | |
2fa0b342 | 579 | |
1418c83b SC |
580 | Archives are pecuilar here. We may open them once, but if they do |
581 | not define anything we need at the time, they won't have all their | |
582 | symbols read. If we need them later, we'll have to redo it. | |
583 | */ | |
2fa0b342 | 584 | static |
1418c83b SC |
585 | lang_input_statement_type * |
586 | DEFUN(lookup_name,(name), | |
587 | CONST char * CONST name) | |
2fa0b342 DHW |
588 | { |
589 | lang_input_statement_type *search; | |
590 | for(search = (lang_input_statement_type *)input_file_chain.head; | |
591 | search != (lang_input_statement_type *)NULL; | |
592 | search = (lang_input_statement_type *)search->next_real_file) | |
1418c83b SC |
593 | { |
594 | if (search->filename == (char *)NULL && name == (char *)NULL) { | |
2fa0b342 DHW |
595 | return search; |
596 | } | |
1418c83b SC |
597 | if (search->filename != (char *)NULL && name != (char *)NULL) { |
598 | if (strcmp(search->filename, name) == 0) { | |
599 | ldmain_open_file_read_symbol(search); | |
600 | return search; | |
601 | } | |
602 | } | |
2fa0b342 | 603 | } |
2fa0b342 | 604 | |
1418c83b SC |
605 | /* There isn't an afile entry for this file yet, this must be |
606 | because the name has only appeared inside a load script and not | |
607 | on the command line */ | |
608 | search = new_afile(name, lang_input_file_is_file_enum, default_target); | |
609 | ldmain_open_file_read_symbol(search); | |
2fa0b342 | 610 | return search; |
1418c83b SC |
611 | |
612 | ||
2fa0b342 DHW |
613 | } |
614 | ||
615 | static void | |
1418c83b SC |
616 | DEFUN(wild,(s, section, file, target, output), |
617 | lang_wild_statement_type *s AND | |
618 | CONST char *CONST section AND | |
619 | CONST char *CONST file AND | |
620 | CONST char *CONST target AND | |
621 | lang_output_section_statement_type *output) | |
2fa0b342 DHW |
622 | { |
623 | lang_input_statement_type *f; | |
624 | if (file == (char *)NULL) { | |
625 | /* Perform the iteration over all files in the list */ | |
626 | for (f = (lang_input_statement_type *)file_chain.head; | |
627 | f != (lang_input_statement_type *)NULL; | |
628 | f = (lang_input_statement_type *)f->next) { | |
629 | wild_section(s, section, f, output); | |
630 | } | |
631 | } | |
632 | else { | |
633 | /* Perform the iteration over a single file */ | |
1418c83b | 634 | wild_section( s, section, lookup_name(file), output); |
2fa0b342 | 635 | } |
b0f36869 SC |
636 | if (section != (char *)NULL |
637 | && strcmp(section,"COMMON") == 0 | |
1418c83b SC |
638 | && default_common_section == (lang_output_section_statement_type*)NULL) |
639 | { | |
640 | /* Remember the section that common is going to incase we later | |
641 | get something which doesn't know where to put it */ | |
642 | default_common_section = output; | |
643 | } | |
2fa0b342 DHW |
644 | } |
645 | ||
646 | /* | |
647 | read in all the files | |
648 | */ | |
649 | static bfd * | |
097879bc SC |
650 | DEFUN(open_output,(name), |
651 | CONST char *CONST name) | |
2fa0b342 | 652 | { |
1418c83b | 653 | extern CONST char *output_filename; |
097879bc SC |
654 | bfd *output; |
655 | if (output_target == (char *)NULL) { | |
656 | if (current_target != (char *)NULL) | |
657 | output_target = current_target; | |
658 | else | |
659 | output_target = default_target; | |
660 | } | |
661 | output = bfd_openw(name, output_target); | |
2fa0b342 | 662 | output_filename = name; |
097879bc | 663 | |
2fa0b342 | 664 | if (output == (bfd *)NULL) |
1418c83b SC |
665 | { |
666 | if (bfd_error == invalid_target) { | |
097879bc | 667 | info("%P%F target %s not found\n", output_target); |
1418c83b SC |
668 | } |
669 | info("%P%F problem opening output file %s, %E", name); | |
2fa0b342 | 670 | } |
2fa0b342 DHW |
671 | |
672 | output->flags |= D_PAGED; | |
673 | bfd_set_format(output, bfd_object); | |
674 | return output; | |
675 | } | |
1418c83b SC |
676 | |
677 | ||
097879bc | 678 | |
1418c83b | 679 | |
2fa0b342 | 680 | static void |
1418c83b SC |
681 | DEFUN(ldlang_open_output,(statement), |
682 | lang_statement_union_type *statement) | |
2fa0b342 | 683 | { |
1418c83b SC |
684 | switch (statement->header.type) |
685 | { | |
686 | case lang_output_statement_enum: | |
097879bc | 687 | output_bfd = open_output(statement->output_statement.name); |
2fa0b342 | 688 | ldemul_set_output_arch(); |
2fa0b342 | 689 | break; |
1418c83b | 690 | |
2fa0b342 | 691 | case lang_target_statement_enum: |
1418c83b | 692 | current_target = statement->target_statement.target; |
2fa0b342 | 693 | break; |
1418c83b | 694 | default: |
2fa0b342 | 695 | break; |
1418c83b SC |
696 | } |
697 | } | |
2fa0b342 | 698 | |
1418c83b SC |
699 | static void |
700 | DEFUN(open_input_bfds,(statement), | |
701 | lang_statement_union_type *statement) | |
702 | { | |
703 | switch (statement->header.type) | |
704 | { | |
705 | case lang_target_statement_enum: | |
706 | current_target = statement->target_statement.target; | |
2fa0b342 | 707 | break; |
1418c83b SC |
708 | case lang_wild_statement_enum: |
709 | /* Maybe we should load the file's symbols */ | |
710 | if (statement->wild_statement.filename) | |
711 | { | |
712 | (void) lookup_name(statement->wild_statement.filename); | |
713 | } | |
2fa0b342 | 714 | break; |
1418c83b SC |
715 | case lang_input_statement_enum: |
716 | if (statement->input_statement.real == true) | |
717 | { | |
718 | statement->input_statement.target = current_target; | |
719 | lookup_name(statement->input_statement.filename); | |
720 | } | |
2fa0b342 | 721 | break; |
1418c83b | 722 | default: |
2fa0b342 DHW |
723 | break; |
724 | } | |
2fa0b342 | 725 | } |
2fa0b342 DHW |
726 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
727 | ||
728 | static void | |
729 | lang_reasonable_defaults() | |
730 | { | |
1418c83b | 731 | #if 0 |
8cb5eb31 SC |
732 | lang_output_section_statement_lookup(".text"); |
733 | lang_output_section_statement_lookup(".data"); | |
734 | ||
2fa0b342 DHW |
735 | default_common_section = |
736 | lang_output_section_statement_lookup(".bss"); | |
8cb5eb31 | 737 | |
1418c83b | 738 | |
2fa0b342 DHW |
739 | if (placed_commons == false) { |
740 | lang_wild_statement_type *new = | |
741 | new_stat(lang_wild_statement, | |
742 | &default_common_section->children); | |
743 | new->section_name = "COMMON"; | |
744 | new->filename = (char *)NULL; | |
745 | lang_list_init(&new->children); | |
746 | } | |
1418c83b | 747 | #endif |
8cb5eb31 | 748 | |
2fa0b342 DHW |
749 | } |
750 | ||
1418c83b SC |
751 | /* |
752 | Add the supplied name to the symbol table as an undefined reference. | |
753 | Remove items from the chain as we open input bfds | |
754 | */ | |
755 | typedef struct ldlang_undef_chain_list_struct { | |
756 | struct ldlang_undef_chain_list_struct *next; | |
757 | char *name; | |
758 | } ldlang_undef_chain_list_type; | |
759 | ||
760 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
761 | ||
762 | void | |
763 | DEFUN(ldlang_add_undef,(name), | |
764 | CONST char *CONST name) | |
2fa0b342 | 765 | { |
1418c83b SC |
766 | ldlang_undef_chain_list_type *new = |
767 | (ldlang_undef_chain_list_type | |
3f8d46e7 | 768 | *)ldmalloc((bfd_size_type)(sizeof(ldlang_undef_chain_list_type))); |
1418c83b SC |
769 | |
770 | new->next = ldlang_undef_chain_list_head; | |
771 | ldlang_undef_chain_list_head = new; | |
772 | ||
773 | new->name = buystring(name); | |
774 | } | |
775 | /* Run through the list of undefineds created above and place them | |
776 | into the linker hash table as undefined symbols belonging to the | |
777 | script file. | |
778 | */ | |
779 | static void | |
780 | DEFUN_VOID(lang_place_undefineds) | |
781 | { | |
782 | ldlang_undef_chain_list_type *ptr = ldlang_undef_chain_list_head; | |
783 | while (ptr != (ldlang_undef_chain_list_type*)NULL) { | |
784 | ldsym_type *sy = ldsym_get(ptr->name); | |
785 | asymbol *def; | |
3f8d46e7 | 786 | asymbol **def_ptr = (asymbol **)ldmalloc((bfd_size_type)(sizeof(asymbol **))); |
1418c83b SC |
787 | def = (asymbol *)bfd_make_empty_symbol(script_file->the_bfd); |
788 | *def_ptr= def; | |
789 | def->name = ptr->name; | |
790 | def->flags = BSF_UNDEFINED; | |
791 | def->section = (asection *)NULL; | |
792 | Q_enter_global_ref(def_ptr); | |
793 | ptr = ptr->next; | |
2fa0b342 | 794 | } |
1418c83b | 795 | } |
2fa0b342 | 796 | |
1418c83b SC |
797 | |
798 | ||
799 | /* Copy important data from out internal form to the bfd way. Also | |
800 | create a section for the dummy file | |
801 | */ | |
802 | ||
803 | static void | |
804 | DEFUN_VOID(lang_create_output_section_statements) | |
805 | { | |
806 | lang_statement_union_type*os; | |
807 | for (os = lang_output_section_statement.head; | |
808 | os != (lang_statement_union_type*)NULL; | |
809 | os = os->output_section_statement.next) { | |
810 | lang_output_section_statement_type *s = | |
811 | &os->output_section_statement; | |
812 | init_os(s); | |
813 | } | |
814 | ||
815 | } | |
816 | ||
817 | static void | |
818 | DEFUN_VOID(lang_init_script_file) | |
819 | { | |
820 | script_file = lang_add_input_file("script file", | |
821 | lang_input_file_is_fake_enum, | |
822 | (char *)NULL); | |
823 | script_file->the_bfd = bfd_create("script file", output_bfd); | |
824 | script_file->symbol_count = 0; | |
825 | script_file->the_bfd->sections = output_bfd->sections; | |
2fa0b342 DHW |
826 | } |
827 | ||
828 | ||
1418c83b SC |
829 | |
830 | ||
2fa0b342 DHW |
831 | /* Open input files and attatch to output sections */ |
832 | static void | |
1418c83b SC |
833 | DEFUN(map_input_to_output_sections,(s, target, output_section_statement), |
834 | lang_statement_union_type *s AND | |
835 | CONST char *target AND | |
836 | lang_output_section_statement_type *output_section_statement) | |
2fa0b342 DHW |
837 | { |
838 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
839 | { | |
840 | switch (s->header.type) { | |
841 | case lang_wild_statement_enum: | |
842 | wild(&s->wild_statement, s->wild_statement.section_name, | |
843 | s->wild_statement.filename, target, | |
844 | output_section_statement); | |
845 | ||
846 | break; | |
847 | ||
848 | case lang_output_section_statement_enum: | |
1418c83b | 849 | map_input_to_output_sections(s->output_section_statement.children.head, |
2fa0b342 DHW |
850 | target, |
851 | &s->output_section_statement); | |
852 | break; | |
853 | case lang_output_statement_enum: | |
854 | break; | |
855 | case lang_target_statement_enum: | |
856 | target = s->target_statement.target; | |
857 | break; | |
2fa0b342 DHW |
858 | case lang_fill_statement_enum: |
859 | case lang_input_section_enum: | |
860 | case lang_object_symbols_statement_enum: | |
861 | case lang_data_statement_enum: | |
1418c83b SC |
862 | case lang_assignment_statement_enum: |
863 | case lang_padding_statement_enum: | |
2fa0b342 DHW |
864 | break; |
865 | case lang_afile_asection_pair_statement_enum: | |
866 | FAIL(); | |
867 | break; | |
2fa0b342 DHW |
868 | case lang_address_statement_enum: |
869 | /* Mark the specified section with the supplied address */ | |
870 | { | |
871 | lang_output_section_statement_type *os = | |
872 | lang_output_section_statement_lookup | |
873 | (s->address_statement.section_name); | |
874 | os->addr_tree = s->address_statement.address; | |
48491e2e SC |
875 | if (os->bfd_section == (asection *)NULL) { |
876 | info("%P%F can't set the address of undefined section %s\n", | |
877 | s->address_statement.section_name); | |
878 | } | |
2fa0b342 DHW |
879 | } |
880 | break; | |
881 | case lang_input_statement_enum: | |
882 | /* A standard input statement, has no wildcards */ | |
1418c83b | 883 | /* ldmain_open_file_read_symbol(&s->input_statement);*/ |
2fa0b342 DHW |
884 | break; |
885 | } | |
886 | } | |
887 | } | |
888 | ||
889 | ||
890 | ||
891 | ||
892 | ||
893 | static void | |
1418c83b SC |
894 | DEFUN(print_output_section_statement,(output_section_statement), |
895 | lang_output_section_statement_type *output_section_statement) | |
2fa0b342 DHW |
896 | { |
897 | asection *section = output_section_statement->bfd_section; | |
898 | print_nl(); | |
899 | print_section(output_section_statement->name); | |
900 | ||
901 | if (section) { | |
902 | print_dot = section->vma; | |
903 | print_space(); | |
904 | print_section(""); | |
905 | print_space(); | |
906 | print_address(section->vma); | |
907 | print_space(); | |
908 | print_size(section->size); | |
909 | print_space(); | |
910 | print_alignment(section->alignment_power); | |
911 | print_space(); | |
912 | #if 0 | |
913 | printf("%s flags", output_section_statement->region->name); | |
914 | print_flags(stdout, &output_section_statement->flags); | |
915 | #endif | |
916 | ||
917 | } | |
918 | else { | |
919 | printf("No attached output section"); | |
920 | } | |
921 | print_nl(); | |
922 | print_statement(output_section_statement->children.head, | |
923 | output_section_statement); | |
924 | ||
925 | } | |
926 | ||
927 | static void | |
1418c83b SC |
928 | DEFUN(print_assignment,(assignment, output_section), |
929 | lang_assignment_statement_type *assignment AND | |
930 | lang_output_section_statement_type *output_section) | |
2fa0b342 DHW |
931 | { |
932 | etree_value_type result; | |
933 | print_section(""); | |
934 | print_space(); | |
935 | print_section(""); | |
936 | print_space(); | |
937 | print_address(print_dot); | |
938 | print_space(); | |
939 | result = exp_fold_tree(assignment->exp->assign.src, | |
940 | output_section, | |
941 | lang_final_phase_enum, | |
942 | print_dot, | |
943 | &print_dot); | |
944 | ||
945 | if (result.valid) { | |
946 | print_address(result.value); | |
947 | } | |
948 | else | |
1418c83b SC |
949 | { |
950 | printf("*undefined*"); | |
951 | } | |
2fa0b342 DHW |
952 | print_space(); |
953 | exp_print_tree(stdout, assignment->exp); | |
954 | printf("\n"); | |
955 | } | |
956 | ||
957 | static void | |
1418c83b SC |
958 | DEFUN(print_input_statement,(statm), |
959 | lang_input_statement_type *statm) | |
2fa0b342 | 960 | { |
070aa819 SC |
961 | if (statm->filename != (char *)NULL) { |
962 | printf("LOAD %s\n",statm->filename); | |
963 | } | |
2fa0b342 DHW |
964 | } |
965 | ||
1418c83b SC |
966 | static void |
967 | DEFUN(print_symbol,(q), | |
968 | asymbol *q) | |
2fa0b342 DHW |
969 | { |
970 | print_section(""); | |
971 | printf(" "); | |
972 | print_section(""); | |
973 | printf(" "); | |
974 | print_address(outside_symbol_address(q)); | |
975 | printf(" %s", q->name ? q->name : " "); | |
976 | print_nl(); | |
977 | } | |
1418c83b | 978 | |
2fa0b342 | 979 | static void |
1418c83b SC |
980 | DEFUN(print_input_section,(in), |
981 | lang_input_section_type *in) | |
2fa0b342 DHW |
982 | { |
983 | asection *i = in->section; | |
984 | ||
985 | if(i->size != 0) { | |
986 | print_section(""); | |
987 | printf(" "); | |
988 | print_section(i->name); | |
989 | printf(" "); | |
990 | if (i->output_section) { | |
991 | print_address(i->output_section->vma + i->output_offset); | |
992 | printf(" "); | |
993 | print_size(i->size); | |
994 | printf(" "); | |
995 | print_alignment(i->alignment_power); | |
996 | printf(" "); | |
997 | if (in->ifile) { | |
1418c83b | 998 | |
2fa0b342 | 999 | bfd *abfd = in->ifile->the_bfd; |
1418c83b SC |
1000 | if (in->ifile->just_syms_flag == true) { |
1001 | printf("symbols only "); | |
1002 | } | |
1003 | ||
2fa0b342 DHW |
1004 | printf(" %s ",abfd->xvec->name); |
1005 | if(abfd->my_archive != (bfd *)NULL) { | |
1006 | printf("[%s]%s", abfd->my_archive->filename, | |
1007 | abfd->filename); | |
1008 | } | |
1009 | else { | |
1010 | printf("%s", abfd->filename); | |
1011 | } | |
48491e2e | 1012 | printf("(overhead %d bytes)", (int)bfd_alloc_size(abfd)); |
2fa0b342 DHW |
1013 | print_nl(); |
1014 | ||
1015 | /* Find all the symbols in this file defined in this section */ | |
1418c83b SC |
1016 | { |
1017 | asymbol **p; | |
1018 | for (p = in->ifile->asymbols; *p; p++) { | |
1019 | asymbol *q = *p; | |
2fa0b342 | 1020 | |
1418c83b SC |
1021 | if (bfd_get_section(q) == i && q->flags & BSF_GLOBAL) { |
1022 | print_symbol(q); | |
1023 | } | |
2fa0b342 DHW |
1024 | } |
1025 | } | |
2fa0b342 DHW |
1026 | } |
1027 | else { | |
1028 | print_nl(); | |
1029 | } | |
1030 | ||
1031 | ||
1032 | print_dot = outside_section_address(i) + i->size; | |
1033 | } | |
1034 | else { | |
1035 | printf("No output section allocated\n"); | |
1036 | } | |
1037 | } | |
1038 | } | |
2fa0b342 | 1039 | |
2fa0b342 | 1040 | static void |
1418c83b SC |
1041 | DEFUN(print_fill_statement,(fill), |
1042 | lang_fill_statement_type *fill) | |
2fa0b342 DHW |
1043 | { |
1044 | printf("FILL mask "); | |
1045 | print_fill( fill->fill); | |
1046 | } | |
1047 | ||
1048 | static void | |
1418c83b SC |
1049 | DEFUN(print_data_statement,(data), |
1050 | lang_data_statement_type *data) | |
2fa0b342 DHW |
1051 | { |
1052 | /* bfd_vma value; */ | |
1053 | print_section(""); | |
1054 | print_space(); | |
1055 | print_section(""); | |
1056 | print_space(); | |
65c552e3 | 1057 | /* ASSERT(print_dot == data->output_vma);*/ |
2fa0b342 DHW |
1058 | |
1059 | print_address(data->output_vma); | |
1060 | print_space(); | |
1061 | print_address(data->value); | |
1062 | print_space(); | |
1063 | switch (data->type) { | |
1064 | case BYTE : | |
1065 | printf("BYTE "); | |
1066 | print_dot += BYTE_SIZE; | |
1067 | break; | |
1068 | case SHORT: | |
1069 | printf("SHORT "); | |
1070 | print_dot += SHORT_SIZE; | |
1071 | break; | |
1072 | case LONG: | |
1073 | printf("LONG "); | |
1074 | print_dot += LONG_SIZE; | |
1075 | break; | |
1076 | } | |
1077 | ||
1078 | exp_print_tree(stdout, data->exp); | |
1079 | ||
1080 | printf("\n"); | |
1081 | } | |
1082 | ||
1083 | ||
1084 | static void | |
1418c83b SC |
1085 | DEFUN(print_padding_statement,(s), |
1086 | lang_padding_statement_type *s) | |
2fa0b342 DHW |
1087 | { |
1088 | print_section(""); | |
1089 | print_space(); | |
1090 | print_section("*fill*"); | |
1091 | print_space(); | |
1092 | print_address(s->output_offset + s->output_section->vma); | |
1093 | print_space(); | |
1094 | print_size(s->size); | |
1095 | print_space(); | |
1096 | print_fill(s->fill); | |
1097 | print_nl(); | |
1098 | } | |
1099 | ||
1418c83b SC |
1100 | static void |
1101 | DEFUN(print_wild_statement,(w,os), | |
1102 | lang_wild_statement_type *w AND | |
1103 | lang_output_section_statement_type *os) | |
2fa0b342 | 1104 | { |
48491e2e | 1105 | printf(" from "); |
2fa0b342 DHW |
1106 | if (w->filename != (char *)NULL) { |
1107 | printf("%s",w->filename); | |
1108 | } | |
1109 | else { | |
1110 | printf("*"); | |
1111 | } | |
1112 | if (w->section_name != (char *)NULL) { | |
1113 | printf("(%s)",w->section_name); | |
1114 | } | |
1115 | else { | |
1116 | printf("(*)"); | |
1117 | } | |
1118 | print_nl(); | |
1119 | print_statement(w->children.head, os); | |
1120 | ||
1121 | } | |
1122 | static void | |
1418c83b SC |
1123 | DEFUN(print_statement,(s, os), |
1124 | lang_statement_union_type *s AND | |
1125 | lang_output_section_statement_type *os) | |
2fa0b342 DHW |
1126 | { |
1127 | while (s) { | |
1128 | switch (s->header.type) { | |
1129 | case lang_wild_statement_enum: | |
1418c83b SC |
1130 | print_wild_statement(&s->wild_statement, os); |
1131 | break; | |
2fa0b342 | 1132 | default: |
1418c83b | 1133 | printf("Fail with %d\n",s->header.type); |
2fa0b342 DHW |
1134 | FAIL(); |
1135 | break; | |
1418c83b SC |
1136 | case lang_address_statement_enum: |
1137 | printf("address\n"); | |
1138 | break; | |
2fa0b342 DHW |
1139 | break; |
1140 | case lang_object_symbols_statement_enum: | |
1141 | printf("object symbols\n"); | |
1142 | break; | |
1143 | case lang_fill_statement_enum: | |
1144 | print_fill_statement(&s->fill_statement); | |
1145 | break; | |
1146 | case lang_data_statement_enum: | |
1147 | print_data_statement(&s->data_statement); | |
1148 | break; | |
2fa0b342 DHW |
1149 | case lang_input_section_enum: |
1150 | print_input_section(&s->input_section); | |
1151 | break; | |
1152 | case lang_padding_statement_enum: | |
1153 | print_padding_statement(&s->padding_statement); | |
1154 | break; | |
1155 | case lang_output_section_statement_enum: | |
1156 | print_output_section_statement(&s->output_section_statement); | |
1157 | break; | |
1158 | case lang_assignment_statement_enum: | |
1159 | print_assignment(&s->assignment_statement, | |
1418c83b | 1160 | os); |
2fa0b342 DHW |
1161 | break; |
1162 | ||
1163 | ||
1164 | case lang_target_statement_enum: | |
1165 | printf("TARGET(%s)\n", s->target_statement.target); | |
1166 | break; | |
1167 | case lang_output_statement_enum: | |
097879bc SC |
1168 | printf("OUTPUT(%s %s)\n", |
1169 | s->output_statement.name, | |
1170 | output_target); | |
2fa0b342 DHW |
1171 | break; |
1172 | case lang_input_statement_enum: | |
1173 | print_input_statement(&s->input_statement); | |
1174 | break; | |
1175 | case lang_afile_asection_pair_statement_enum: | |
1176 | FAIL(); | |
1177 | break; | |
1178 | } | |
1179 | s = s->next; | |
1180 | } | |
1181 | } | |
1182 | ||
1183 | ||
1184 | static void | |
1418c83b | 1185 | DEFUN_VOID(print_statements) |
2fa0b342 DHW |
1186 | { |
1187 | print_statement(statement_list.head, | |
1188 | (lang_output_section_statement_type *)NULL); | |
1189 | } | |
1190 | ||
1191 | static bfd_vma | |
1418c83b SC |
1192 | DEFUN(insert_pad,(this_ptr, fill, power, output_section_statement, dot), |
1193 | lang_statement_union_type **this_ptr AND | |
1194 | fill_type fill AND | |
1195 | unsigned int power AND | |
1196 | asection * output_section_statement AND | |
1197 | bfd_vma dot) | |
2fa0b342 DHW |
1198 | { |
1199 | /* Align this section first to the | |
1200 | input sections requirement, then | |
1201 | to the output section's requirement. | |
1202 | If this alignment is > than any seen before, | |
1203 | then record it too. Perform the alignment by | |
1204 | inserting a magic 'padding' statement. | |
1205 | */ | |
1206 | ||
1207 | unsigned int alignment_needed = align_power(dot, power) - dot; | |
1208 | ||
1209 | if (alignment_needed != 0) | |
1210 | { | |
1211 | lang_statement_union_type *new = | |
1212 | (lang_statement_union_type *) | |
3f8d46e7 | 1213 | ldmalloc((bfd_size_type)(sizeof(lang_padding_statement_type))); |
2fa0b342 DHW |
1214 | /* Link into existing chain */ |
1215 | new->header.next = *this_ptr; | |
1216 | *this_ptr = new; | |
1217 | new->header.type = lang_padding_statement_enum; | |
1218 | new->padding_statement.output_section = output_section_statement; | |
1219 | new->padding_statement.output_offset = | |
1220 | dot - output_section_statement->vma; | |
1221 | new->padding_statement.fill = fill; | |
1222 | new->padding_statement.size = alignment_needed; | |
1223 | } | |
1224 | ||
1225 | ||
1226 | /* Remember the most restrictive alignment */ | |
1227 | if (power > output_section_statement->alignment_power) { | |
1228 | output_section_statement->alignment_power = power; | |
1229 | } | |
1230 | output_section_statement->size += alignment_needed; | |
1231 | return alignment_needed + dot; | |
1232 | ||
1233 | } | |
1234 | ||
1418c83b | 1235 | /* Work out how much this section will move the dot point */ |
2fa0b342 | 1236 | static bfd_vma |
1418c83b SC |
1237 | DEFUN(size_input_section, (this_ptr, output_section_statement, fill, dot), |
1238 | lang_statement_union_type **this_ptr AND | |
1239 | lang_output_section_statement_type*output_section_statement AND | |
1240 | unsigned short fill AND | |
1241 | bfd_vma dot) | |
2fa0b342 DHW |
1242 | { |
1243 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1244 | asection *i = is->section; | |
1418c83b SC |
1245 | |
1246 | if (is->ifile->just_syms_flag == false) { | |
ac004870 SC |
1247 | dot = insert_pad(this_ptr, fill, i->alignment_power, |
1248 | output_section_statement->bfd_section, dot); | |
2fa0b342 | 1249 | |
ac004870 SC |
1250 | /* remember the largest size so we can malloc the largest area */ |
1251 | /* needed for the output stage */ | |
1252 | if (i->size > largest_section) { | |
1253 | largest_section = i->size; | |
1254 | } | |
2fa0b342 | 1255 | |
ac004870 | 1256 | /* Remember where in the output section this input section goes */ |
2fa0b342 | 1257 | |
ac004870 SC |
1258 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1259 | ||
1260 | /* Mark how big the output section must be to contain this now */ | |
1261 | dot += i->size; | |
1262 | output_section_statement->bfd_section->size = | |
1263 | dot - output_section_statement->bfd_section->vma; | |
1264 | } | |
1265 | else | |
1266 | { | |
1267 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1268 | } | |
2fa0b342 DHW |
1269 | |
1270 | return dot ; | |
1271 | } | |
1272 | ||
1273 | ||
1274 | /* Work out the size of the output sections | |
1275 | from the sizes of the input sections */ | |
1276 | static bfd_vma | |
1418c83b SC |
1277 | DEFUN(lang_size_sections,(s, output_section_statement, prev, fill, dot), |
1278 | lang_statement_union_type *s AND | |
1279 | lang_output_section_statement_type * output_section_statement AND | |
1280 | lang_statement_union_type **prev AND | |
1281 | unsigned short fill AND | |
1282 | bfd_vma dot) | |
2fa0b342 DHW |
1283 | { |
1284 | /* Size up the sections from their constituent parts */ | |
1285 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
1418c83b SC |
1286 | { |
1287 | switch (s->header.type) { | |
1288 | case lang_output_section_statement_enum: | |
1289 | { | |
1290 | bfd_vma after; | |
1291 | lang_output_section_statement_type *os = | |
1292 | &(s->output_section_statement); | |
1293 | /* The start of a section */ | |
2fa0b342 | 1294 | |
1418c83b SC |
1295 | if (os->addr_tree == (etree_type *)NULL) { |
1296 | /* No address specified for this section, get one | |
1297 | from the region specification | |
1298 | */ | |
1299 | if (os->region == (lang_memory_region_type *)NULL) { | |
2fa0b342 | 1300 | os->region = lang_memory_region_lookup("*default*"); |
1418c83b SC |
1301 | } |
1302 | dot = os->region->current; | |
2fa0b342 | 1303 | } |
1418c83b SC |
1304 | else { |
1305 | etree_value_type r ; | |
1306 | r = exp_fold_tree(os->addr_tree, | |
1307 | (lang_output_section_statement_type *)NULL, | |
1308 | lang_allocating_phase_enum, | |
1309 | dot, &dot); | |
1310 | if (r.valid == false) { | |
1311 | info("%F%S: non constant address expression for section %s\n", | |
1312 | os->name); | |
1313 | } | |
1314 | dot = r.value; | |
1315 | } | |
1316 | /* The section starts here */ | |
1317 | /* First, align to what the section needs */ | |
2fa0b342 | 1318 | |
1418c83b SC |
1319 | dot = align_power(dot, os->bfd_section->alignment_power); |
1320 | os->bfd_section->vma = dot; | |
1321 | os->bfd_section->output_offset = 0; | |
2fa0b342 | 1322 | |
1418c83b SC |
1323 | (void) lang_size_sections(os->children.head, os, &os->children.head, |
1324 | os->fill, dot); | |
1325 | /* Ignore the size of the input sections, use the vma and size to */ | |
1326 | /* align against */ | |
2fa0b342 DHW |
1327 | |
1328 | ||
1418c83b SC |
1329 | after = ALIGN(os->bfd_section->vma + |
1330 | os->bfd_section->size, | |
1331 | os->block_value) ; | |
2fa0b342 DHW |
1332 | |
1333 | ||
1418c83b SC |
1334 | os->bfd_section->size = after - os->bfd_section->vma; |
1335 | dot = os->bfd_section->vma + os->bfd_section->size; | |
1336 | os->processed = true; | |
2fa0b342 | 1337 | |
1418c83b SC |
1338 | /* Replace into region ? */ |
1339 | if (os->addr_tree == (etree_type *)NULL | |
1340 | && os->region !=(lang_memory_region_type*)NULL ) { | |
1341 | os->region->current = dot; | |
1342 | } | |
1343 | } | |
2fa0b342 | 1344 | |
1418c83b | 1345 | break; |
2fa0b342 | 1346 | |
1418c83b SC |
1347 | case lang_data_statement_enum: |
1348 | { | |
1349 | unsigned int size; | |
65c552e3 | 1350 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; |
1418c83b SC |
1351 | s->data_statement.output_section = |
1352 | output_section_statement->bfd_section; | |
2fa0b342 | 1353 | |
1418c83b SC |
1354 | switch (s->data_statement.type) { |
1355 | case LONG: | |
1356 | size = LONG_SIZE; | |
1357 | break; | |
1358 | case SHORT: | |
1359 | size = SHORT_SIZE; | |
1360 | break; | |
1361 | case BYTE: | |
1362 | size = BYTE_SIZE; | |
1363 | break; | |
2fa0b342 | 1364 | |
1418c83b SC |
1365 | } |
1366 | dot += size; | |
1367 | output_section_statement->bfd_section->size += size; | |
1368 | } | |
1369 | break; | |
2fa0b342 | 1370 | |
1418c83b | 1371 | case lang_wild_statement_enum: |
2fa0b342 | 1372 | |
1418c83b | 1373 | dot = lang_size_sections(s->wild_statement.children.head, |
2fa0b342 DHW |
1374 | output_section_statement, |
1375 | &s->wild_statement.children.head, | |
1376 | ||
1377 | fill, dot); | |
1378 | ||
1418c83b | 1379 | break; |
2fa0b342 | 1380 | |
1418c83b SC |
1381 | case lang_object_symbols_statement_enum: |
1382 | create_object_symbols = output_section_statement; | |
1383 | break; | |
1384 | case lang_output_statement_enum: | |
1385 | case lang_target_statement_enum: | |
1386 | break; | |
1387 | case lang_input_section_enum: | |
1388 | dot = size_input_section(prev, | |
2fa0b342 DHW |
1389 | output_section_statement, |
1390 | output_section_statement->fill, dot); | |
1418c83b SC |
1391 | break; |
1392 | case lang_input_statement_enum: | |
1393 | break; | |
1394 | case lang_fill_statement_enum: | |
1395 | fill = s->fill_statement.fill; | |
1396 | break; | |
1397 | case lang_assignment_statement_enum: | |
2fa0b342 | 1398 | { |
1418c83b SC |
1399 | bfd_vma newdot = dot; |
1400 | exp_fold_tree(s->assignment_statement.exp, | |
1401 | output_section_statement, | |
1402 | lang_allocating_phase_enum, | |
1403 | dot, | |
1404 | &newdot); | |
1405 | ||
1406 | if (newdot != dot) | |
1407 | /* We've been moved ! so insert a pad */ | |
1408 | { | |
1409 | lang_statement_union_type *new = | |
1410 | (lang_statement_union_type *) | |
3f8d46e7 | 1411 | ldmalloc((bfd_size_type)(sizeof(lang_padding_statement_type))); |
1418c83b SC |
1412 | /* Link into existing chain */ |
1413 | new->header.next = *prev; | |
1414 | *prev = new; | |
1415 | new->header.type = lang_padding_statement_enum; | |
1416 | new->padding_statement.output_section = | |
1417 | output_section_statement->bfd_section; | |
1418 | new->padding_statement.output_offset = | |
1419 | dot - output_section_statement->bfd_section->vma; | |
1420 | new->padding_statement.fill = fill; | |
1421 | new->padding_statement.size = newdot - dot; | |
1422 | output_section_statement->bfd_section->size += | |
1423 | new->padding_statement.size; | |
1424 | dot = newdot; | |
1425 | } | |
2fa0b342 | 1426 | } |
2fa0b342 | 1427 | |
1418c83b SC |
1428 | break; |
1429 | case lang_padding_statement_enum: | |
1430 | FAIL(); | |
1431 | break; | |
1432 | default: | |
1433 | FAIL(); | |
1434 | break; | |
1435 | case lang_address_statement_enum: | |
1436 | break; | |
1437 | } | |
1438 | prev = &s->header.next; | |
2fa0b342 | 1439 | } |
2fa0b342 DHW |
1440 | return dot; |
1441 | } | |
1442 | ||
1443 | ||
1444 | static bfd_vma | |
1418c83b SC |
1445 | DEFUN(lang_do_assignments,(s, output_section_statement, fill, dot), |
1446 | lang_statement_union_type *s AND | |
1447 | lang_output_section_statement_type * output_section_statement AND | |
1448 | unsigned short fill AND | |
1449 | bfd_vma dot) | |
2fa0b342 DHW |
1450 | { |
1451 | ||
1452 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
1453 | { | |
1454 | switch (s->header.type) { | |
1455 | case lang_output_section_statement_enum: | |
1456 | { | |
1457 | lang_output_section_statement_type *os = | |
1458 | &(s->output_section_statement); | |
1459 | dot = os->bfd_section->vma; | |
1460 | (void) lang_do_assignments(os->children.head, os, os->fill, dot); | |
1461 | dot = os->bfd_section->vma + os->bfd_section->size; | |
1462 | } | |
1463 | break; | |
1464 | case lang_wild_statement_enum: | |
1465 | ||
1466 | dot = lang_do_assignments(s->wild_statement.children.head, | |
1467 | output_section_statement, | |
1468 | fill, dot); | |
1469 | ||
1470 | break; | |
1471 | ||
1472 | case lang_object_symbols_statement_enum: | |
1473 | case lang_output_statement_enum: | |
1474 | case lang_target_statement_enum: | |
1418c83b | 1475 | #if 0 |
2fa0b342 | 1476 | case lang_common_statement_enum: |
1418c83b | 1477 | #endif |
2fa0b342 DHW |
1478 | break; |
1479 | case lang_data_statement_enum: | |
1480 | { | |
1481 | etree_value_type value ; | |
1482 | value = exp_fold_tree(s->data_statement.exp, | |
1483 | 0, lang_final_phase_enum, dot, &dot); | |
1484 | s->data_statement.value = value.value; | |
1485 | if (value.valid == false) info("%F%P: Invalid data statement\n"); | |
1486 | } | |
1487 | switch (s->data_statement.type) { | |
1488 | case LONG: | |
1489 | dot += LONG_SIZE; | |
1490 | break; | |
1491 | case SHORT: | |
1492 | dot += SHORT_SIZE; | |
1493 | break; | |
1494 | case BYTE: | |
1495 | dot += BYTE_SIZE; | |
1496 | break; | |
1497 | } | |
1498 | break; | |
1499 | case lang_input_section_enum: | |
1500 | { | |
1501 | asection *in = s->input_section.section; | |
1502 | dot += in->size; | |
1503 | } | |
1504 | break; | |
1505 | ||
1506 | case lang_input_statement_enum: | |
1507 | break; | |
1508 | case lang_fill_statement_enum: | |
1509 | fill = s->fill_statement.fill; | |
1510 | break; | |
1511 | case lang_assignment_statement_enum: | |
1512 | { | |
1513 | exp_fold_tree(s->assignment_statement.exp, | |
1514 | output_section_statement, | |
1515 | lang_final_phase_enum, | |
1516 | dot, | |
1517 | &dot); | |
1518 | } | |
1519 | ||
1520 | break; | |
1521 | case lang_padding_statement_enum: | |
1522 | dot += s->padding_statement.size; | |
1523 | break; | |
1524 | default: | |
1525 | FAIL(); | |
1526 | break; | |
1527 | case lang_address_statement_enum: | |
1528 | break; | |
1529 | } | |
1530 | ||
1531 | } | |
1532 | return dot; | |
1533 | } | |
1534 | ||
1535 | ||
1536 | ||
1418c83b SC |
1537 | static void |
1538 | DEFUN_VOID(lang_relocate_globals) | |
2fa0b342 DHW |
1539 | { |
1540 | ||
1541 | /* | |
1418c83b SC |
1542 | Each ldsym_type maintains a chain of pointers to asymbols which |
1543 | references the definition. Replace each pointer to the referenence | |
1544 | with a pointer to only one place, preferably the definition. If | |
1545 | the defintion isn't available then the common symbol, and if | |
1546 | there isn't one of them then choose one reference. | |
1547 | */ | |
2fa0b342 DHW |
1548 | |
1549 | FOR_EACH_LDSYM(lgs) { | |
1550 | asymbol *it; | |
1551 | if (lgs->sdefs_chain) { | |
1552 | it = *(lgs->sdefs_chain); | |
1553 | } | |
1554 | else if (lgs->scoms_chain != (asymbol **)NULL) { | |
1555 | it = *(lgs->scoms_chain); | |
1556 | } | |
1557 | else if (lgs->srefs_chain != (asymbol **)NULL) { | |
1558 | it = *(lgs->srefs_chain); | |
1559 | } | |
1560 | else { | |
1418c83b SC |
1561 | /* This can happen when the command line asked for a symbol to |
1562 | be -u */ | |
1563 | it = (asymbol *)NULL; | |
2fa0b342 DHW |
1564 | } |
1565 | if (it != (asymbol *)NULL) | |
1418c83b SC |
1566 | { |
1567 | asymbol **ptr= lgs->srefs_chain; | |
2fa0b342 | 1568 | |
1418c83b SC |
1569 | while (ptr != (asymbol **)NULL) { |
1570 | asymbol *ref = *ptr; | |
1571 | *ptr = it; | |
1572 | ptr = (asymbol **)(ref->udata); | |
1573 | } | |
2fa0b342 | 1574 | } |
2fa0b342 DHW |
1575 | } |
1576 | } | |
1577 | ||
1578 | ||
1579 | ||
2fa0b342 | 1580 | static void |
1418c83b | 1581 | DEFUN_VOID(lang_finish) |
2fa0b342 DHW |
1582 | { |
1583 | ldsym_type *lgs; | |
1584 | ||
1585 | if (entry_symbol == (char *)NULL) { | |
1586 | /* No entry has been specified, look for start */ | |
1587 | entry_symbol = "start"; | |
1588 | } | |
1589 | lgs = ldsym_get_soft(entry_symbol); | |
1590 | if (lgs && lgs->sdefs_chain) { | |
1591 | asymbol *sy = *(lgs->sdefs_chain); | |
1592 | /* We can set the entry address*/ | |
1593 | bfd_set_start_address(output_bfd, | |
1594 | outside_symbol_address(sy)); | |
1595 | ||
1596 | } | |
1597 | else { | |
1598 | /* Can't find anything reasonable, | |
1599 | use the first address in the text section | |
1600 | */ | |
1601 | asection *ts = bfd_get_section_by_name(output_bfd, ".text"); | |
1602 | if (ts) { | |
1603 | bfd_set_start_address(output_bfd, ts->vma); | |
1604 | } | |
1605 | } | |
1606 | } | |
1607 | ||
1608 | /* By now we know the target architecture, and we may have an */ | |
1609 | /* ldfile_output_machine_name */ | |
1610 | static void | |
1418c83b | 1611 | DEFUN_VOID(lang_check) |
2fa0b342 DHW |
1612 | { |
1613 | lang_statement_union_type *file; | |
3f8d46e7 JG |
1614 | unsigned long max_machine = bfd_get_machine(output_bfd); |
1615 | unsigned long max_machine_seen = 0; | |
1616 | bfd * input_bfd; | |
1617 | unsigned long input_machine; | |
1618 | char *out_arch, *out_arch2; | |
2fa0b342 | 1619 | |
2fa0b342 DHW |
1620 | for (file = file_chain.head; |
1621 | file != (lang_statement_union_type *)NULL; | |
1622 | file=file->input_statement.next) | |
1418c83b | 1623 | { |
3f8d46e7 JG |
1624 | input_bfd = file->input_statement.the_bfd; |
1625 | input_machine = bfd_get_machine(input_bfd); | |
1626 | ||
1627 | if ( input_machine > max_machine_seen ){ | |
1628 | max_machine_seen = input_machine; | |
1629 | } | |
1630 | ||
1631 | /* Inspect the architecture and ensure we're linking like with like */ | |
1632 | if ( (input_machine > max_machine) | |
1633 | || !bfd_arch_compatible( input_bfd, | |
1634 | output_bfd, | |
1635 | &ldfile_output_architecture, | |
1636 | NULL)) { | |
1637 | enum bfd_architecture this_architecture = | |
1638 | bfd_get_architecture(file->input_statement.the_bfd); | |
1639 | unsigned long this_machine = | |
1640 | ||
1418c83b | 1641 | bfd_get_machine(file->input_statement.the_bfd); |
3f8d46e7 JG |
1642 | |
1643 | /* Result of bfd_printable_arch_mach is not guaranteed to stick | |
1644 | around after next call, so we have to copy it. */ | |
1645 | out_arch = bfd_printable_arch_mach(ldfile_output_architecture, | |
1646 | ldfile_output_machine); | |
1647 | out_arch2 = ldmalloc (strlen (out_arch)+1); | |
1648 | strcpy (out_arch2, out_arch); | |
1649 | ||
1650 | info("%P: warning, %s architecture of input file `%B' incompatible with %s output\n", | |
1651 | bfd_printable_arch_mach(this_architecture, this_machine), | |
1652 | input_bfd, | |
1653 | out_arch2); | |
1654 | free (out_arch2); | |
1418c83b SC |
1655 | ldfile_output_architecture = this_architecture; |
1656 | ldfile_output_machine = this_machine; | |
1657 | bfd_set_arch_mach(output_bfd, | |
1658 | ldfile_output_architecture, | |
1659 | ldfile_output_machine); | |
1418c83b | 1660 | } |
2fa0b342 | 1661 | } |
3f8d46e7 | 1662 | bfd_set_arch_mach(output_bfd,ldfile_output_architecture,max_machine_seen); |
2fa0b342 DHW |
1663 | } |
1664 | ||
1665 | ||
1666 | /* | |
1667 | * run through all the global common symbols and tie them | |
b6316534 SC |
1668 | * to the output section requested. |
1669 | * | |
1670 | As an experiment we do this 4 times, once for all the byte sizes, | |
1671 | then all the two bytes, all the four bytes and then everything else | |
1672 | */ | |
2fa0b342 DHW |
1673 | |
1674 | static void | |
1418c83b | 1675 | DEFUN_VOID(lang_common) |
2fa0b342 DHW |
1676 | { |
1677 | ldsym_type *lgs; | |
b6316534 | 1678 | size_t power; |
2fa0b342 DHW |
1679 | if (config.relocateable_output == false || |
1680 | command_line.force_common_definition== true) { | |
b6316534 SC |
1681 | for (power = 1; (config.sort_common == true && power == 1) || (power <= 16); power <<=1) { |
1682 | for (lgs = symbol_head; | |
1683 | lgs != (ldsym_type *)NULL; | |
1684 | lgs=lgs->next) | |
1418c83b SC |
1685 | { |
1686 | asymbol *com ; | |
1687 | unsigned int power_of_two; | |
1688 | size_t size; | |
1689 | size_t align; | |
1690 | if (lgs->scoms_chain != (asymbol **)NULL) { | |
1691 | com = *(lgs->scoms_chain); | |
1692 | size = com->value; | |
1693 | switch (size) { | |
1694 | case 0: | |
1695 | case 1: | |
1696 | align = 1; | |
1697 | power_of_two = 0; | |
1698 | break; | |
1699 | case 2: | |
1700 | power_of_two = 1; | |
1701 | align = 2; | |
1702 | break; | |
1703 | case 3: | |
1704 | case 4: | |
1705 | power_of_two =2; | |
1706 | align = 4; | |
1707 | break; | |
1708 | case 5: | |
1709 | case 6: | |
1710 | case 7: | |
1711 | case 8: | |
1712 | power_of_two = 3; | |
2fa0b342 | 1713 | align = 8; |
1418c83b SC |
1714 | break; |
1715 | default: | |
1716 | power_of_two = 4; | |
1717 | align = 16; | |
1718 | break; | |
2fa0b342 | 1719 | } |
b6316534 SC |
1720 | if (config.sort_common == false || align == power) { |
1721 | /* Change from a common symbol into a definition of | |
1722 | a symbol */ | |
1723 | lgs->sdefs_chain = lgs->scoms_chain; | |
1724 | lgs->scoms_chain = (asymbol **)NULL; | |
1725 | commons_pending--; | |
1726 | /* Point to the correct common section */ | |
1727 | com->section = | |
1728 | ((lang_input_statement_type *) | |
1729 | (com->the_bfd->usrdata))->common_section; | |
1730 | /* Fix the size of the common section */ | |
1731 | com->section->size = ALIGN(com->section->size, align); | |
1732 | ||
1733 | /* Remember if this is the biggest alignment ever seen */ | |
1734 | if (power_of_two > com->section->alignment_power) { | |
1735 | com->section->alignment_power = power_of_two; | |
1736 | } | |
2fa0b342 | 1737 | |
b6316534 SC |
1738 | /* Symbol stops being common and starts being global, but |
1739 | we remember that it was common once. */ | |
2fa0b342 | 1740 | |
b6316534 SC |
1741 | com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON; |
1742 | com->value = com->section->size; | |
1418c83b | 1743 | |
b6316534 | 1744 | if (write_map) |
1418c83b | 1745 | { |
b6316534 | 1746 | printf ("Allocating common %s: %x at %x %s\n", |
1418c83b SC |
1747 | lgs->name, |
1748 | (unsigned) size, | |
b6316534 SC |
1749 | (unsigned) com->value, |
1750 | com->the_bfd->filename); | |
1418c83b | 1751 | } |
097879bc | 1752 | |
b6316534 | 1753 | com->section->size += size; |
1418c83b | 1754 | |
b6316534 | 1755 | } |
1418c83b | 1756 | } |
b6316534 | 1757 | |
2fa0b342 | 1758 | } |
b6316534 | 1759 | } |
2fa0b342 | 1760 | } |
1418c83b SC |
1761 | |
1762 | ||
2fa0b342 DHW |
1763 | } |
1764 | ||
1765 | /* | |
1766 | run through the input files and ensure that every input | |
1767 | section has somewhere to go. If one is found without | |
1768 | a destination then create an input request and place it | |
1769 | into the statement tree. | |
1770 | */ | |
1771 | ||
1418c83b SC |
1772 | static void |
1773 | DEFUN_VOID(lang_place_orphans) | |
2fa0b342 DHW |
1774 | { |
1775 | lang_input_statement_type *file; | |
1776 | for (file = (lang_input_statement_type*)file_chain.head; | |
1777 | file != (lang_input_statement_type*)NULL; | |
1778 | file = (lang_input_statement_type*)file->next) { | |
1779 | asection *s; | |
1780 | for (s = file->the_bfd->sections; | |
1781 | s != (asection *)NULL; | |
1782 | s = s->next) { | |
1783 | if ( s->output_section == (asection *)NULL) { | |
1784 | /* This section of the file is not attatched, root | |
1785 | around for a sensible place for it to go */ | |
1786 | ||
1787 | if (file->common_section == s) { | |
1788 | /* This is a lonely common section which must | |
1789 | have come from an archive. We attatch to the | |
1790 | section with the wildcard */ | |
1418c83b SC |
1791 | if (config.relocateable_output != true |
1792 | && command_line.force_common_definition == false) { | |
1793 | if (default_common_section == | |
1794 | (lang_output_section_statement_type *)NULL) { | |
1795 | info("%P: No [COMMON] command, defaulting to .bss\n"); | |
1796 | ||
1797 | default_common_section = | |
1798 | lang_output_section_statement_lookup(".bss"); | |
1799 | ||
1800 | } | |
1801 | wild_doit(&default_common_section->children, s, | |
1802 | default_common_section, file); | |
1803 | } | |
2fa0b342 DHW |
1804 | } |
1805 | else { | |
1806 | lang_output_section_statement_type *os = | |
1807 | lang_output_section_statement_lookup(s->name); | |
1808 | ||
1809 | wild_doit(&os->children, s, os, file); | |
1810 | } | |
1811 | } | |
1812 | } | |
2fa0b342 DHW |
1813 | } |
1814 | } | |
1815 | ||
1816 | ||
2fa0b342 | 1817 | void |
1418c83b SC |
1818 | DEFUN(lang_set_flags,(ptr, flags), |
1819 | lang_section_flags_type *ptr AND | |
1820 | CONST char *flags) | |
2fa0b342 DHW |
1821 | { |
1822 | boolean state = true; | |
1823 | ptr->flag_read = false; | |
1824 | ptr->flag_write = false; | |
1825 | ptr->flag_executable = false; | |
1826 | ptr->flag_loadable= false; | |
1827 | while (*flags) | |
1418c83b SC |
1828 | { |
1829 | if (*flags == '!') { | |
1830 | state = false; | |
1831 | flags++; | |
1832 | } | |
1833 | else state = true; | |
1834 | switch (*flags) { | |
1835 | case 'R': | |
1836 | ptr->flag_read = state; | |
1837 | break; | |
1838 | case 'W': | |
1839 | ptr->flag_write = state; | |
1840 | break; | |
1841 | case 'X': | |
1842 | ptr->flag_executable= state; | |
1843 | break; | |
1844 | case 'L': | |
b6316534 | 1845 | case 'I': |
1418c83b SC |
1846 | ptr->flag_loadable= state; |
1847 | break; | |
1848 | default: | |
1849 | info("%P%F illegal syntax in flags\n"); | |
1850 | break; | |
1851 | } | |
2fa0b342 DHW |
1852 | flags++; |
1853 | } | |
2fa0b342 DHW |
1854 | } |
1855 | ||
1856 | ||
1857 | ||
1858 | void | |
1418c83b SC |
1859 | DEFUN(lang_for_each_file,(func), |
1860 | PROTO(void, (*func),(lang_input_statement_type *))) | |
2fa0b342 DHW |
1861 | { |
1862 | lang_input_statement_type *f; | |
1863 | for (f = (lang_input_statement_type *)file_chain.head; | |
1864 | f != (lang_input_statement_type *)NULL; | |
1865 | f = (lang_input_statement_type *)f->next) | |
1418c83b SC |
1866 | { |
1867 | func(f); | |
1868 | } | |
2fa0b342 DHW |
1869 | } |
1870 | ||
1871 | ||
1872 | void | |
1418c83b SC |
1873 | DEFUN(lang_for_each_input_section, (func), |
1874 | PROTO(void ,(*func),(bfd *ab, asection*as))) | |
2fa0b342 DHW |
1875 | { |
1876 | lang_input_statement_type *f; | |
1877 | for (f = (lang_input_statement_type *)file_chain.head; | |
1878 | f != (lang_input_statement_type *)NULL; | |
1879 | f = (lang_input_statement_type *)f->next) | |
1880 | { | |
1881 | asection *s; | |
1882 | for (s = f->the_bfd->sections; | |
1883 | s != (asection *)NULL; | |
1884 | s = s->next) { | |
1885 | func(f->the_bfd, s); | |
1886 | } | |
1887 | } | |
1888 | } | |
1889 | ||
1890 | ||
1891 | ||
1892 | void | |
1418c83b SC |
1893 | DEFUN(ldlang_add_file,(entry), |
1894 | lang_input_statement_type *entry) | |
2fa0b342 | 1895 | { |
1418c83b | 1896 | |
2fa0b342 DHW |
1897 | lang_statement_append(&file_chain, |
1898 | (lang_statement_union_type *)entry, | |
1899 | &entry->next); | |
1900 | } | |
1901 | ||
1902 | ||
1903 | ||
1904 | void | |
1418c83b SC |
1905 | DEFUN(lang_add_output,(name), |
1906 | CONST char *name) | |
2fa0b342 DHW |
1907 | { |
1908 | lang_output_statement_type *new = new_stat(lang_output_statement, | |
1909 | stat_ptr); | |
1910 | new->name = name; | |
1911 | had_output_filename = true; | |
1912 | } | |
1913 | ||
1914 | ||
1915 | static lang_output_section_statement_type *current_section; | |
1916 | ||
1917 | void | |
1418c83b SC |
1918 | DEFUN(lang_enter_output_section_statement, |
1919 | (output_section_statement_name, | |
1920 | address_exp, | |
1921 | block_value), | |
1922 | char *output_section_statement_name AND | |
1923 | etree_type *address_exp AND | |
1924 | bfd_vma block_value) | |
2fa0b342 DHW |
1925 | { |
1926 | lang_output_section_statement_type *os; | |
1927 | current_section = | |
1928 | os = | |
1929 | lang_output_section_statement_lookup(output_section_statement_name); | |
1930 | ||
1931 | ||
1932 | /* Add this statement to tree */ | |
1933 | /* add_statement(lang_output_section_statement_enum, | |
1934 | output_section_statement);*/ | |
1935 | /* Make next things chain into subchain of this */ | |
1936 | ||
1937 | if (os->addr_tree == | |
1938 | (etree_type *)NULL) { | |
1939 | os->addr_tree = | |
1940 | address_exp; | |
1941 | } | |
1942 | os->block_value = block_value; | |
1943 | stat_ptr = & os->children; | |
1944 | ||
1945 | } | |
1946 | ||
1947 | ||
1948 | void | |
1418c83b | 1949 | DEFUN_VOID(lang_final) |
2fa0b342 DHW |
1950 | { |
1951 | if (had_output_filename == false) { | |
e89432c7 SC |
1952 | extern CONST char *output_filename; |
1953 | lang_add_output(output_filename); | |
2fa0b342 | 1954 | } |
2fa0b342 DHW |
1955 | } |
1956 | ||
1957 | ||
1958 | ||
1959 | ||
1960 | ||
1418c83b SC |
1961 | asymbol * |
1962 | DEFUN(create_symbol,(name, flags, section), | |
1963 | CONST char *name AND | |
1964 | flagword flags AND | |
1965 | asection *section) | |
2fa0b342 DHW |
1966 | { |
1967 | extern lang_input_statement_type *script_file; | |
3f8d46e7 | 1968 | asymbol **def_ptr = (asymbol **)ldmalloc((bfd_size_type)(sizeof(asymbol **))); |
2fa0b342 DHW |
1969 | /* Add this definition to script file */ |
1970 | asymbol *def = (asymbol *)bfd_make_empty_symbol(script_file->the_bfd); | |
1418c83b | 1971 | def->name = buystring(name); |
2fa0b342 DHW |
1972 | def->udata = 0; |
1973 | def->flags = flags; | |
1974 | def->section = section; | |
1975 | ||
1976 | *def_ptr = def; | |
1977 | Q_enter_global_ref(def_ptr); | |
1978 | return def; | |
1979 | } | |
1980 | ||
1981 | ||
1982 | void | |
1418c83b SC |
1983 | DEFUN_VOID(lang_process) |
1984 | { | |
1985 | if (had_script == false) { | |
1986 | parse_line(ldemul_get_script()); | |
1987 | } | |
1988 | lang_reasonable_defaults(); | |
1989 | current_target = default_target; | |
1990 | ||
1991 | lang_for_each_statement(ldlang_open_output); /* Open the output file */ | |
1992 | /* For each output section statement, create a section in the output | |
1993 | file */ | |
1994 | lang_create_output_section_statements(); | |
1995 | ||
1996 | /* Create a dummy bfd for the script */ | |
1997 | lang_init_script_file(); | |
1998 | ||
1999 | /* Add to the hash table all undefineds on the command line */ | |
2000 | lang_place_undefineds(); | |
2001 | ||
2002 | /* Create a bfd for each input file */ | |
2003 | current_target = default_target; | |
2004 | lang_for_each_statement(open_input_bfds); | |
2005 | ||
a0ad3035 | 2006 | common_section.userdata = (PTR)&common_section_userdata; |
1418c83b SC |
2007 | |
2008 | /* Run through the contours of the script and attatch input sections | |
2009 | to the correct output sections | |
2010 | */ | |
2011 | map_input_to_output_sections(statement_list.head, (char *)NULL, | |
2012 | ( lang_output_section_statement_type *)NULL); | |
2013 | ||
2014 | /* Find any sections not attatched explicitly and handle them */ | |
2015 | lang_place_orphans(); | |
2016 | ||
2017 | /* Size up the common data */ | |
2018 | lang_common(); | |
2019 | ||
2020 | ldemul_before_allocation(); | |
2021 | ||
2022 | /* Size up the sections */ | |
2023 | lang_size_sections(statement_list.head, | |
2024 | (lang_output_section_statement_type *)NULL, | |
2025 | &(statement_list.head), 0, (bfd_vma)0); | |
2026 | ||
2027 | /* See if anything special should be done now we know how big | |
2028 | everything is */ | |
2029 | ldemul_after_allocation(); | |
2030 | ||
2031 | /* Do all the assignments, now that we know the final restingplaces | |
2032 | of all the symbols */ | |
2033 | ||
2034 | lang_do_assignments(statement_list.head, | |
2035 | (lang_output_section_statement_type *)NULL, | |
2036 | 0, (bfd_vma)0); | |
2037 | ||
2038 | /* Make sure that we're not mixing architectures */ | |
2039 | ||
2040 | lang_check(); | |
2041 | ||
2042 | /* Move the global symbols around */ | |
2043 | lang_relocate_globals(); | |
2044 | ||
2045 | /* Final stuffs */ | |
2046 | lang_finish(); | |
2fa0b342 DHW |
2047 | } |
2048 | ||
2049 | ||
2050 | /* EXPORTED TO YACC */ | |
1418c83b | 2051 | |
2fa0b342 | 2052 | void |
1418c83b SC |
2053 | DEFUN(lang_add_wild,(section_name, filename), |
2054 | CONST char *CONST section_name AND | |
2055 | CONST char *CONST filename) | |
2056 | { | |
2057 | lang_wild_statement_type *new = new_stat(lang_wild_statement, | |
2058 | stat_ptr); | |
2059 | ||
2060 | if (section_name != (char *)NULL && strcmp(section_name,"COMMON") == 0) | |
2061 | { | |
2062 | placed_commons = true; | |
2063 | } | |
2064 | if (filename != (char *)NULL) { | |
2065 | lang_has_input_file = true; | |
2066 | } | |
2067 | new->section_name = section_name; | |
2068 | new->filename = filename; | |
2069 | lang_list_init(&new->children); | |
2070 | } | |
2071 | void | |
2072 | DEFUN(lang_section_start,(name, address), | |
2073 | CONST char *name AND | |
2074 | etree_type *address) | |
2fa0b342 DHW |
2075 | { |
2076 | lang_address_statement_type *ad =new_stat(lang_address_statement, stat_ptr); | |
2077 | ad->section_name = name; | |
2078 | ad->address = address; | |
2079 | } | |
1418c83b SC |
2080 | |
2081 | void | |
2082 | DEFUN(lang_add_entry,(name), | |
2083 | CONST char *name) | |
2fa0b342 DHW |
2084 | { |
2085 | entry_symbol = name; | |
2086 | } | |
2087 | ||
2088 | void | |
1418c83b SC |
2089 | DEFUN(lang_add_target,(name), |
2090 | CONST char *name) | |
2fa0b342 DHW |
2091 | { |
2092 | lang_target_statement_type *new = new_stat(lang_target_statement, | |
2093 | stat_ptr); | |
2094 | new->target = name; | |
2095 | ||
2096 | } | |
2fa0b342 | 2097 | |
1418c83b SC |
2098 | |
2099 | ||
2fa0b342 DHW |
2100 | |
2101 | void | |
1418c83b SC |
2102 | DEFUN(lang_add_map,(name), |
2103 | CONST char *name) | |
2fa0b342 DHW |
2104 | { |
2105 | while (*name) { | |
2106 | switch (*name) { | |
2107 | case 'F': | |
2108 | map_option_f = true; | |
2109 | break; | |
2110 | } | |
2111 | name++; | |
2112 | } | |
2113 | } | |
2114 | ||
1418c83b SC |
2115 | void |
2116 | DEFUN(lang_add_fill,(exp), | |
2117 | int exp) | |
2fa0b342 DHW |
2118 | { |
2119 | lang_fill_statement_type *new = new_stat(lang_fill_statement, | |
2120 | stat_ptr); | |
2121 | new->fill = exp; | |
2122 | } | |
2123 | ||
1418c83b SC |
2124 | void |
2125 | DEFUN(lang_add_data,(type, exp), | |
2126 | int type AND | |
2127 | union etree_union *exp) | |
2fa0b342 DHW |
2128 | { |
2129 | ||
2130 | lang_data_statement_type *new = new_stat(lang_data_statement, | |
2131 | stat_ptr); | |
2132 | new->exp = exp; | |
2133 | new->type = type; | |
2134 | ||
2135 | } | |
2136 | void | |
1418c83b SC |
2137 | DEFUN(lang_add_assignment,(exp), |
2138 | etree_type *exp) | |
2fa0b342 DHW |
2139 | { |
2140 | lang_assignment_statement_type *new = new_stat(lang_assignment_statement, | |
2141 | stat_ptr); | |
2142 | new->exp = exp; | |
2143 | } | |
2144 | ||
2145 | void | |
1418c83b SC |
2146 | DEFUN(lang_add_attribute,(attribute), |
2147 | enum statement_enum attribute) | |
2fa0b342 DHW |
2148 | { |
2149 | new_statement(attribute, sizeof(lang_statement_union_type),stat_ptr); | |
2150 | } | |
2151 | ||
2152 | ||
2153 | ||
2154 | void | |
1418c83b SC |
2155 | DEFUN(lang_startup,(name), |
2156 | CONST char *name) | |
2fa0b342 DHW |
2157 | { |
2158 | if (startup_file != (char *)NULL) { | |
2159 | info("%P%FMultiple STARTUP files\n"); | |
2160 | } | |
2161 | first_file->filename = name; | |
2162 | first_file->local_sym_name = name; | |
2163 | ||
2164 | startup_file= name; | |
2165 | } | |
2166 | void | |
1418c83b SC |
2167 | DEFUN(lang_float,(maybe), |
2168 | boolean maybe) | |
2fa0b342 DHW |
2169 | { |
2170 | lang_float_flag = maybe; | |
2171 | } | |
2172 | ||
2173 | void | |
1418c83b SC |
2174 | DEFUN(lang_leave_output_section_statement,(fill, memspec), |
2175 | bfd_vma fill AND | |
2176 | CONST char *memspec) | |
2fa0b342 DHW |
2177 | { |
2178 | current_section->fill = fill; | |
2179 | current_section->region = lang_memory_region_lookup(memspec); | |
2180 | stat_ptr = &statement_list; | |
2181 | } | |
9f32f7c2 SC |
2182 | /* |
2183 | Create an absolute symbol with the given name with the value of the | |
2184 | address of first byte of the section named. | |
2fa0b342 | 2185 | |
9f32f7c2 SC |
2186 | If the symbol already exists, then do nothing. |
2187 | */ | |
8cb5eb31 | 2188 | void |
1418c83b SC |
2189 | DEFUN(lang_abs_symbol_at_beginning_of,(section, name), |
2190 | CONST char *section AND | |
2191 | CONST char *name) | |
8cb5eb31 | 2192 | { |
c660714f | 2193 | if (ldsym_undefined(name)) { |
9f32f7c2 SC |
2194 | extern bfd *output_bfd; |
2195 | extern asymbol *create_symbol(); | |
2196 | asection *s = bfd_get_section_by_name(output_bfd, section); | |
2197 | asymbol *def = create_symbol(name, | |
2198 | BSF_GLOBAL | BSF_EXPORT | | |
2199 | BSF_ABSOLUTE, | |
2200 | (asection *)NULL); | |
2201 | if (s != (asection *)NULL) { | |
2202 | def->value = s->vma; | |
2203 | } | |
2204 | else { | |
2205 | def->value = 0; | |
2206 | } | |
8cb5eb31 SC |
2207 | } |
2208 | } | |
2209 | ||
9f32f7c2 SC |
2210 | /* |
2211 | Create an absolute symbol with the given name with the value of the | |
2212 | address of the first byte after the end of the section named. | |
2213 | ||
2214 | If the symbol already exists, then do nothing. | |
2215 | */ | |
2fa0b342 | 2216 | void |
1418c83b SC |
2217 | DEFUN(lang_abs_symbol_at_end_of,(section, name), |
2218 | CONST char *section AND | |
2219 | CONST char *name) | |
2fa0b342 | 2220 | { |
c660714f | 2221 | if (ldsym_undefined(name)){ |
9f32f7c2 SC |
2222 | extern bfd *output_bfd; |
2223 | extern asymbol *create_symbol(); | |
2224 | asection *s = bfd_get_section_by_name(output_bfd, section); | |
2225 | /* Add a symbol called _end */ | |
2226 | asymbol *def = create_symbol(name, | |
2227 | BSF_GLOBAL | BSF_EXPORT | | |
2228 | BSF_ABSOLUTE, | |
2229 | (asection *)NULL); | |
2230 | if (s != (asection *)NULL) { | |
2231 | def->value = s->vma + s->size; | |
2232 | } | |
2233 | else { | |
2234 | def->value = 0; | |
2235 | } | |
2fa0b342 DHW |
2236 | } |
2237 | } | |
2238 | ||
2239 | void | |
1418c83b SC |
2240 | DEFUN(lang_statement_append,(list, element, field), |
2241 | lang_statement_list_type *list AND | |
2242 | lang_statement_union_type *element AND | |
2243 | lang_statement_union_type **field) | |
2fa0b342 DHW |
2244 | { |
2245 | *(list->tail) = element; | |
2246 | list->tail = field; | |
2247 | } | |
2248 | ||
097879bc SC |
2249 | /* Set the output format type */ |
2250 | void | |
2251 | DEFUN(lang_add_output_format,(format), | |
2252 | CONST char *format) | |
2253 | { | |
2254 | output_target = format; | |
2255 | } | |
a37cc0c0 | 2256 |