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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 | ||
2fa0b342 | 23 | #include "bfd.h" |
f177a611 | 24 | #include "sysdep.h" |
2fa0b342 DHW |
25 | |
26 | #include "ld.h" | |
27 | #include "ldmain.h" | |
28 | #include "ldsym.h" | |
7bc4a0d7 | 29 | #include "ldgram.h" |
81016051 | 30 | #include "ldwarn.h" |
2fa0b342 DHW |
31 | #include "ldlang.h" |
32 | #include "ldexp.h" | |
8c514453 | 33 | #include "ldemul.h" |
2fa0b342 | 34 | #include "ldlex.h" |
3f8d46e7 | 35 | #include "ldmisc.h" |
c611e285 SC |
36 | #include "ldindr.h" |
37 | #include "ldctor.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; | |
81016051 SC |
47 | |
48 | /* Points to the last statement in the .data section, so we can add | |
49 | stuff to the data section without pain */ | |
50 | static lang_statement_list_type end_of_data_section_statement_list; | |
51 | ||
c611e285 SC |
52 | /* List of statements needed to handle constructors */ |
53 | extern lang_statement_list_type constructor_list; | |
81016051 | 54 | |
d4c02e29 SC |
55 | static boolean placed_commons = false; |
56 | static lang_output_section_statement_type *default_common_section; | |
57 | static boolean map_option_f; | |
58 | static bfd_vma print_dot; | |
59 | static lang_input_statement_type *first_file; | |
60 | static lang_statement_list_type lang_output_section_statement; | |
61 | static CONST char *current_target; | |
62 | static CONST char *output_target; | |
63 | static size_t longest_section_name = 8; | |
64 | static asection common_section; | |
65 | static section_userdata_type common_section_userdata; | |
66 | static lang_statement_list_type statement_list; | |
2fa0b342 | 67 | /* EXPORTS */ |
c611e285 | 68 | boolean relaxing; |
2fa0b342 | 69 | |
d4c02e29 SC |
70 | lang_statement_list_type *stat_ptr = &statement_list; |
71 | lang_input_statement_type *script_file = 0; | |
72 | boolean option_longmap = false; | |
73 | lang_statement_list_type file_chain = {0}; | |
74 | CONST char *entry_symbol = 0; | |
3f8d46e7 | 75 | bfd_size_type largest_section = 0; |
d4c02e29 SC |
76 | boolean lang_has_input_file = false; |
77 | lang_output_section_statement_type *create_object_symbols = 0; | |
78 | boolean had_output_filename = false; | |
79 | boolean lang_float_flag = false; | |
80 | /* IMPORTS */ | |
81 | extern char *default_target; | |
2fa0b342 | 82 | |
d4c02e29 SC |
83 | extern unsigned int undefined_global_sym_count; |
84 | extern char *current_file; | |
2fa0b342 | 85 | extern bfd *output_bfd; |
2fa0b342 DHW |
86 | extern enum bfd_architecture ldfile_output_architecture; |
87 | extern unsigned long ldfile_output_machine; | |
88 | extern char *ldfile_output_machine_name; | |
2fa0b342 | 89 | extern ldsym_type *symbol_head; |
d4c02e29 | 90 | extern unsigned int commons_pending; |
2fa0b342 DHW |
91 | extern args_type command_line; |
92 | extern ld_config_type config; | |
2fa0b342 | 93 | extern boolean had_script; |
2fa0b342 DHW |
94 | extern boolean write_map; |
95 | ||
96 | ||
2fa0b342 DHW |
97 | #ifdef __STDC__ |
98 | #define cat(a,b) a##b | |
99 | #else | |
100 | #define cat(a,b) a/**/b | |
101 | #endif | |
102 | ||
103 | #define new_stat(x,y) (cat(x,_type)*) new_statement(cat(x,_enum), sizeof(cat(x,_type)),y) | |
104 | ||
105 | #define outside_section_address(q) ( (q)->output_offset + (q)->output_section->vma) | |
106 | ||
107 | #define outside_symbol_address(q) ((q)->value + outside_section_address(q->section)) | |
108 | ||
b648e172 | 109 | void EXFUN(lang_add_data,( int type , union etree_union *exp)); |
81016051 | 110 | |
3f8d46e7 JG |
111 | static void |
112 | DEFUN(print_size,(value), | |
113 | size_t value) | |
114 | { | |
115 | printf("%5x", (unsigned)value); | |
116 | } | |
117 | static void | |
118 | DEFUN(print_alignment,(value), | |
119 | unsigned int value) | |
120 | { | |
48491e2e | 121 | printf("2**%1u",value); |
3f8d46e7 JG |
122 | } |
123 | static void | |
124 | DEFUN(print_fill,(value), | |
125 | fill_type value) | |
126 | { | |
127 | printf("%04x",(unsigned)value); | |
128 | } | |
129 | ||
d4c02e29 | 130 | |
3f8d46e7 JG |
131 | static void |
132 | DEFUN(print_section,(name), | |
133 | CONST char *CONST name) | |
134 | { | |
135 | printf("%*s", -longest_section_name, name); | |
136 | } | |
2fa0b342 | 137 | |
1418c83b SC |
138 | /*---------------------------------------------------------------------- |
139 | lang_for_each_statement walks the parse tree and calls the provided | |
140 | function for each node | |
141 | */ | |
142 | ||
143 | static void | |
144 | DEFUN(lang_for_each_statement_worker,(func, s), | |
145 | void (*func)() AND | |
146 | lang_statement_union_type *s) | |
147 | { | |
148 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
149 | { | |
150 | func(s); | |
151 | ||
152 | switch (s->header.type) { | |
81016051 SC |
153 | case lang_constructors_statement_enum: |
154 | lang_for_each_statement_worker(func, constructor_list.head); | |
155 | break; | |
1418c83b SC |
156 | case lang_output_section_statement_enum: |
157 | lang_for_each_statement_worker | |
158 | (func, | |
159 | s->output_section_statement.children.head); | |
160 | break; | |
161 | case lang_wild_statement_enum: | |
162 | lang_for_each_statement_worker | |
163 | (func, | |
164 | s->wild_statement.children.head); | |
165 | break; | |
166 | case lang_data_statement_enum: | |
167 | case lang_object_symbols_statement_enum: | |
168 | case lang_output_statement_enum: | |
169 | case lang_target_statement_enum: | |
170 | case lang_input_section_enum: | |
171 | case lang_input_statement_enum: | |
172 | case lang_fill_statement_enum: | |
173 | case lang_assignment_statement_enum: | |
174 | case lang_padding_statement_enum: | |
175 | case lang_address_statement_enum: | |
176 | break; | |
177 | default: | |
178 | FAIL(); | |
179 | break; | |
180 | } | |
181 | } | |
182 | } | |
183 | ||
184 | void | |
185 | DEFUN(lang_for_each_statement,(func), | |
186 | void (*func)()) | |
187 | { | |
188 | lang_for_each_statement_worker(func, | |
189 | statement_list.head); | |
190 | } | |
191 | /*----------------------------------------------------------------------*/ | |
c611e285 | 192 | void |
1418c83b SC |
193 | DEFUN(lang_list_init,(list), |
194 | lang_statement_list_type *list) | |
2fa0b342 DHW |
195 | { |
196 | list->head = (lang_statement_union_type *)NULL; | |
197 | list->tail = &list->head; | |
198 | } | |
199 | ||
2fa0b342 | 200 | |
1418c83b SC |
201 | /*---------------------------------------------------------------------- |
202 | ||
203 | build a new statement node for the parse tree | |
204 | ||
205 | */ | |
2fa0b342 DHW |
206 | |
207 | static | |
1418c83b SC |
208 | lang_statement_union_type* |
209 | DEFUN(new_statement,(type, size, list), | |
210 | enum statement_enum type AND | |
3f8d46e7 | 211 | bfd_size_type size AND |
1418c83b | 212 | lang_statement_list_type *list) |
2fa0b342 DHW |
213 | { |
214 | lang_statement_union_type *new = (lang_statement_union_type *) | |
215 | ldmalloc(size); | |
216 | new->header.type = type; | |
217 | new->header.next = (lang_statement_union_type *)NULL; | |
1418c83b | 218 | lang_statement_append(list, new, &new->header.next); |
2fa0b342 DHW |
219 | return new; |
220 | } | |
221 | ||
1418c83b SC |
222 | /* |
223 | Build a new input file node for the language. There are several ways | |
224 | in which we treat an input file, eg, we only look at symbols, or | |
225 | prefix it with a -l etc. | |
226 | ||
227 | We can be supplied with requests for input files more than once; | |
228 | they may, for example be split over serveral lines like foo.o(.text) | |
229 | foo.o(.data) etc, so when asked for a file we check that we havn't | |
230 | got it already so we don't duplicate the bfd. | |
231 | ||
232 | */ | |
2fa0b342 | 233 | static lang_input_statement_type * |
1418c83b SC |
234 | DEFUN(new_afile, (name, file_type, target), |
235 | CONST char *CONST name AND | |
236 | CONST lang_input_file_enum_type file_type AND | |
237 | CONST char *CONST target) | |
2fa0b342 DHW |
238 | { |
239 | lang_input_statement_type *p = new_stat(lang_input_statement, | |
240 | stat_ptr); | |
241 | lang_has_input_file = true; | |
242 | p->target = target; | |
243 | switch (file_type) { | |
244 | case lang_input_file_is_symbols_only_enum: | |
245 | p->filename = name; | |
246 | p->is_archive =false; | |
247 | p->real = true; | |
248 | p->local_sym_name= name; | |
249 | p->just_syms_flag = true; | |
250 | p->search_dirs_flag = false; | |
251 | break; | |
252 | case lang_input_file_is_fake_enum: | |
253 | p->filename = name; | |
254 | p->is_archive =false; | |
255 | p->real = false; | |
256 | p->local_sym_name= name; | |
257 | p->just_syms_flag = false; | |
258 | p->search_dirs_flag =false; | |
2fa0b342 DHW |
259 | break; |
260 | case lang_input_file_is_l_enum: | |
261 | p->is_archive = true; | |
262 | p->filename = name; | |
263 | p->real = true; | |
264 | p->local_sym_name = concat("-l",name,""); | |
265 | p->just_syms_flag = false; | |
266 | p->search_dirs_flag = true; | |
267 | break; | |
2fa0b342 DHW |
268 | case lang_input_file_is_search_file_enum: |
269 | case lang_input_file_is_marker_enum: | |
270 | p->filename = name; | |
271 | p->is_archive =false; | |
272 | p->real = true; | |
273 | p->local_sym_name= name; | |
274 | p->just_syms_flag = false; | |
275 | p->search_dirs_flag =true; | |
276 | break; | |
2fa0b342 DHW |
277 | case lang_input_file_is_file_enum: |
278 | p->filename = name; | |
279 | p->is_archive =false; | |
280 | p->real = true; | |
281 | p->local_sym_name= name; | |
282 | p->just_syms_flag = false; | |
283 | p->search_dirs_flag =false; | |
284 | break; | |
2fa0b342 DHW |
285 | default: |
286 | FAIL(); | |
287 | } | |
288 | p->asymbols = (asymbol **)NULL; | |
289 | p->superfile = (lang_input_statement_type *)NULL; | |
2fa0b342 DHW |
290 | p->next_real_file = (lang_statement_union_type*)NULL; |
291 | p->next = (lang_statement_union_type*)NULL; | |
292 | p->symbol_count = 0; | |
293 | p->common_output_section = (asection *)NULL; | |
2fa0b342 DHW |
294 | lang_statement_append(&input_file_chain, |
295 | (lang_statement_union_type *)p, | |
296 | &p->next_real_file); | |
297 | return p; | |
298 | } | |
299 | ||
1418c83b SC |
300 | |
301 | ||
2fa0b342 | 302 | lang_input_statement_type * |
1418c83b SC |
303 | DEFUN(lang_add_input_file,(name, file_type, target), |
304 | char *name AND | |
305 | lang_input_file_enum_type file_type AND | |
306 | char *target) | |
2fa0b342 DHW |
307 | { |
308 | /* Look it up or build a new one */ | |
1418c83b SC |
309 | lang_has_input_file = true; |
310 | #if 0 | |
2fa0b342 DHW |
311 | lang_input_statement_type *p; |
312 | ||
313 | for (p = (lang_input_statement_type *)input_file_chain.head; | |
314 | p != (lang_input_statement_type *)NULL; | |
315 | p = (lang_input_statement_type *)(p->next_real_file)) | |
1418c83b SC |
316 | { |
317 | /* Sometimes we have incomplete entries in here */ | |
318 | if (p->filename != (char *)NULL) { | |
319 | if(strcmp(name,p->filename) == 0) return p; | |
320 | } | |
321 | ||
322 | } | |
323 | #endif | |
2fa0b342 DHW |
324 | return new_afile(name, file_type, target); |
325 | } | |
326 | ||
327 | ||
1418c83b | 328 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 329 | void |
1418c83b | 330 | DEFUN_VOID(lang_init) |
2fa0b342 DHW |
331 | { |
332 | ||
333 | stat_ptr= &statement_list; | |
334 | lang_list_init(stat_ptr); | |
335 | ||
336 | lang_list_init(&input_file_chain); | |
337 | lang_list_init(&lang_output_section_statement); | |
338 | lang_list_init(&file_chain); | |
339 | first_file = lang_add_input_file((char *)NULL, | |
340 | lang_input_file_is_marker_enum, | |
341 | (char *)NULL); | |
2fa0b342 DHW |
342 | } |
343 | ||
2fa0b342 | 344 | |
1418c83b SC |
345 | /*---------------------------------------------------------------------- |
346 | A region is an area of memory declared with the | |
347 | MEMORY { name:org=exp, len=exp ... } | |
348 | syntax. | |
2fa0b342 | 349 | |
1418c83b | 350 | We maintain a list of all the regions here |
2fa0b342 | 351 | |
1418c83b SC |
352 | If no regions are specified in the script, then the default is used |
353 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
354 | */ |
355 | ||
356 | static lang_memory_region_type *lang_memory_region_list; | |
357 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
358 | ||
359 | lang_memory_region_type * | |
1418c83b SC |
360 | DEFUN(lang_memory_region_lookup,(name), |
361 | CONST char *CONST name) | |
2fa0b342 DHW |
362 | { |
363 | ||
1418c83b SC |
364 | lang_memory_region_type *p = lang_memory_region_list; |
365 | for (p = lang_memory_region_list; | |
366 | p != ( lang_memory_region_type *)NULL; | |
367 | p = p->next) { | |
368 | if (strcmp(p->name, name) == 0) { | |
369 | return p; | |
2fa0b342 | 370 | } |
1418c83b SC |
371 | } |
372 | if (strcmp(name,"*default*")==0) { | |
373 | /* This is the default region, dig out first one on the list */ | |
374 | if (lang_memory_region_list != (lang_memory_region_type*)NULL){ | |
375 | return lang_memory_region_list; | |
2fa0b342 | 376 | } |
1418c83b | 377 | } |
2fa0b342 | 378 | { |
1418c83b | 379 | lang_memory_region_type *new = |
3f8d46e7 | 380 | (lang_memory_region_type *)ldmalloc((bfd_size_type)(sizeof(lang_memory_region_type))); |
1418c83b SC |
381 | new->name = buystring(name); |
382 | new->next = (lang_memory_region_type *)NULL; | |
383 | ||
384 | *lang_memory_region_list_tail = new; | |
385 | lang_memory_region_list_tail = &new->next; | |
386 | new->origin = 0; | |
387 | new->length = ~0; | |
388 | new->current = 0; | |
389 | return new; | |
2fa0b342 DHW |
390 | } |
391 | } | |
392 | ||
393 | ||
2fa0b342 | 394 | lang_output_section_statement_type * |
1418c83b SC |
395 | DEFUN(lang_output_section_find,(name), |
396 | CONST char * CONST name) | |
2fa0b342 DHW |
397 | { |
398 | lang_statement_union_type *u; | |
399 | lang_output_section_statement_type *lookup; | |
400 | ||
401 | for (u = lang_output_section_statement.head; | |
402 | u != (lang_statement_union_type *)NULL; | |
403 | u = lookup->next) | |
1418c83b SC |
404 | { |
405 | lookup = &u->output_section_statement; | |
406 | if (strcmp(name, lookup->name)==0) { | |
407 | return lookup; | |
408 | } | |
2fa0b342 | 409 | } |
2fa0b342 DHW |
410 | return (lang_output_section_statement_type *)NULL; |
411 | } | |
412 | ||
413 | lang_output_section_statement_type * | |
1418c83b SC |
414 | DEFUN(lang_output_section_statement_lookup,(name), |
415 | CONST char * CONST name) | |
2fa0b342 DHW |
416 | { |
417 | lang_output_section_statement_type *lookup; | |
418 | lookup =lang_output_section_find(name); | |
419 | if (lookup == (lang_output_section_statement_type *)NULL) { | |
420 | ||
421 | lookup =(lang_output_section_statement_type *) | |
422 | new_stat(lang_output_section_statement, stat_ptr); | |
423 | lookup->region = (lang_memory_region_type *)NULL; | |
424 | lookup->fill = 0; | |
425 | lookup->block_value = 1; | |
426 | lookup->name = name; | |
427 | ||
428 | lookup->next = (lang_statement_union_type*)NULL; | |
429 | lookup->bfd_section = (asection *)NULL; | |
430 | lookup->processed = false; | |
431 | lookup->addr_tree = (etree_type *)NULL; | |
432 | lang_list_init(&lookup->children); | |
433 | ||
434 | lang_statement_append(&lang_output_section_statement, | |
435 | (lang_statement_union_type *)lookup, | |
436 | &lookup->next); | |
437 | } | |
438 | return lookup; | |
439 | } | |
440 | ||
441 | ||
442 | ||
443 | ||
444 | ||
445 | static void | |
1418c83b SC |
446 | DEFUN(print_flags, (outfile, ignore_flags), |
447 | FILE *outfile AND | |
7bc4a0d7 | 448 | int *ignore_flags) |
2fa0b342 DHW |
449 | { |
450 | fprintf(outfile,"("); | |
451 | #if 0 | |
452 | if (flags->flag_read) fprintf(outfile,"R"); | |
453 | if (flags->flag_write) fprintf(outfile,"W"); | |
454 | if (flags->flag_executable) fprintf(outfile,"X"); | |
455 | if (flags->flag_loadable) fprintf(outfile,"L"); | |
456 | #endif | |
457 | fprintf(outfile,")"); | |
458 | } | |
459 | ||
460 | void | |
1418c83b SC |
461 | DEFUN(lang_map,(outfile), |
462 | FILE *outfile) | |
2fa0b342 DHW |
463 | { |
464 | lang_memory_region_type *m; | |
465 | fprintf(outfile,"**MEMORY CONFIGURATION**\n\n"); | |
48491e2e | 466 | #ifdef HOST_64_BIT |
2fa0b342 | 467 | fprintf(outfile,"name\t\torigin\t\tlength\t\tattributes\n"); |
48491e2e SC |
468 | #else |
469 | fprintf(outfile,"name\t\torigin length\t\tattributes\n"); | |
470 | #endif | |
2fa0b342 DHW |
471 | for (m = lang_memory_region_list; |
472 | m != (lang_memory_region_type *)NULL; | |
473 | m = m->next) | |
474 | { | |
475 | fprintf(outfile,"%-16s", m->name); | |
3f8d46e7 JG |
476 | print_address(m->origin); |
477 | print_space(); | |
478 | print_address(m->length); | |
479 | print_space(); | |
2fa0b342 DHW |
480 | print_flags(outfile, &m->flags); |
481 | fprintf(outfile,"\n"); | |
482 | } | |
483 | fprintf(outfile,"\n\n**LINK EDITOR MEMORY MAP**\n\n"); | |
48491e2e SC |
484 | fprintf(outfile,"output input virtual\n"); |
485 | fprintf(outfile,"section section address tsize\n\n"); | |
2fa0b342 DHW |
486 | |
487 | print_statements(); | |
488 | ||
489 | } | |
490 | ||
491 | /* | |
492 | * | |
493 | */ | |
1418c83b SC |
494 | static void |
495 | DEFUN(init_os,(s), | |
496 | lang_output_section_statement_type *s) | |
2fa0b342 | 497 | { |
c611e285 SC |
498 | asection *section = bfd_get_section_by_name(output_bfd, s->name); |
499 | section_userdata_type *new = | |
500 | (section_userdata_type *) | |
3f8d46e7 | 501 | ldmalloc((bfd_size_type)(sizeof(section_userdata_type))); |
2fa0b342 | 502 | |
aeedc30e PB |
503 | s->bfd_section = bfd_get_section_by_name(output_bfd, s->name); |
504 | if (s->bfd_section == (asection *)NULL) | |
505 | s->bfd_section = bfd_make_section(output_bfd, s->name); | |
357a1f38 | 506 | if (s->bfd_section == (asection *)NULL) { |
c611e285 SC |
507 | einfo("%P%F output format %s cannot represent section called %s\n", |
508 | output_bfd->xvec->name, s->name); | |
357a1f38 | 509 | } |
2fa0b342 | 510 | s->bfd_section->output_section = s->bfd_section; |
7bc4a0d7 SC |
511 | /* s->bfd_section->flags = s->flags;*/ |
512 | ||
2fa0b342 DHW |
513 | /* We initialize an output sections output offset to minus its own */ |
514 | /* vma to allow us to output a section through itself */ | |
515 | s->bfd_section->output_offset = 0; | |
a0ad3035 | 516 | get_userdata( s->bfd_section) = (PTR)new; |
c611e285 | 517 | |
2fa0b342 DHW |
518 | } |
519 | ||
1418c83b SC |
520 | /*********************************************************************** |
521 | The wild routines. | |
522 | ||
523 | These expand statements like *(.text) and foo.o to a list of | |
524 | explicit actions, like foo.o(.text), bar.o(.text) and | |
525 | foo.o(.text,.data) . | |
526 | ||
527 | The toplevel routine, wild, takes a statement, section, file and | |
528 | target. If either the section or file is null it is taken to be the | |
529 | wildcard. Seperate lang_input_section statements are created for | |
530 | each part of the expanstion, and placed after the statement provided. | |
531 | ||
532 | */ | |
533 | ||
2fa0b342 | 534 | static void |
1418c83b SC |
535 | DEFUN(wild_doit,(ptr, section, output, file), |
536 | lang_statement_list_type *ptr AND | |
537 | asection *section AND | |
538 | lang_output_section_statement_type *output AND | |
539 | lang_input_statement_type *file) | |
2fa0b342 DHW |
540 | { |
541 | if(output->bfd_section == (asection *)NULL) | |
542 | { | |
543 | init_os(output); | |
544 | } | |
545 | ||
546 | if (section != (asection *)NULL | |
547 | && section->output_section == (asection *)NULL) { | |
548 | /* Add a section reference to the list */ | |
549 | lang_input_section_type *new = new_stat(lang_input_section, ptr); | |
550 | ||
551 | new->section = section; | |
552 | new->ifile = file; | |
553 | section->output_section = output->bfd_section; | |
554 | section->output_section->flags |= section->flags; | |
555 | if (section->alignment_power > output->bfd_section->alignment_power) { | |
556 | output->bfd_section->alignment_power = section->alignment_power; | |
557 | } | |
2fa0b342 DHW |
558 | } |
559 | } | |
560 | ||
561 | static asection * | |
1418c83b SC |
562 | DEFUN(our_bfd_get_section_by_name,(abfd, section), |
563 | bfd *abfd AND | |
564 | CONST char *section) | |
2fa0b342 DHW |
565 | { |
566 | return bfd_get_section_by_name(abfd, section); | |
2fa0b342 | 567 | } |
1418c83b | 568 | |
2fa0b342 | 569 | static void |
1418c83b SC |
570 | DEFUN(wild_section,(ptr, section, file , output), |
571 | lang_wild_statement_type *ptr AND | |
572 | CONST char *section AND | |
573 | lang_input_statement_type *file AND | |
574 | lang_output_section_statement_type *output) | |
2fa0b342 DHW |
575 | { |
576 | asection *s; | |
1418c83b SC |
577 | if (file->just_syms_flag == false) { |
578 | if (section == (char *)NULL) { | |
579 | /* Do the creation to all sections in the file */ | |
580 | for (s = file->the_bfd->sections; s != (asection *)NULL; s=s->next) { | |
581 | wild_doit(&ptr->children, s, output, file); | |
582 | } | |
583 | } | |
584 | else { | |
585 | /* Do the creation to the named section only */ | |
586 | wild_doit(&ptr->children, | |
587 | our_bfd_get_section_by_name(file->the_bfd, section), | |
588 | output, file); | |
2fa0b342 DHW |
589 | } |
590 | } | |
2fa0b342 DHW |
591 | } |
592 | ||
593 | ||
1418c83b SC |
594 | /* passed a file name (which must have been seen already and added to |
595 | the statement tree. We will see if it has been opened already and | |
596 | had its symbols read. If not then we'll read it. | |
2fa0b342 | 597 | |
1418c83b SC |
598 | Archives are pecuilar here. We may open them once, but if they do |
599 | not define anything we need at the time, they won't have all their | |
600 | symbols read. If we need them later, we'll have to redo it. | |
601 | */ | |
2fa0b342 | 602 | static |
1418c83b SC |
603 | lang_input_statement_type * |
604 | DEFUN(lookup_name,(name), | |
605 | CONST char * CONST name) | |
2fa0b342 DHW |
606 | { |
607 | lang_input_statement_type *search; | |
608 | for(search = (lang_input_statement_type *)input_file_chain.head; | |
609 | search != (lang_input_statement_type *)NULL; | |
610 | search = (lang_input_statement_type *)search->next_real_file) | |
1418c83b SC |
611 | { |
612 | if (search->filename == (char *)NULL && name == (char *)NULL) { | |
2fa0b342 DHW |
613 | return search; |
614 | } | |
1418c83b SC |
615 | if (search->filename != (char *)NULL && name != (char *)NULL) { |
616 | if (strcmp(search->filename, name) == 0) { | |
617 | ldmain_open_file_read_symbol(search); | |
618 | return search; | |
619 | } | |
620 | } | |
2fa0b342 | 621 | } |
2fa0b342 | 622 | |
1418c83b SC |
623 | /* There isn't an afile entry for this file yet, this must be |
624 | because the name has only appeared inside a load script and not | |
625 | on the command line */ | |
626 | search = new_afile(name, lang_input_file_is_file_enum, default_target); | |
627 | ldmain_open_file_read_symbol(search); | |
2fa0b342 | 628 | return search; |
1418c83b SC |
629 | |
630 | ||
2fa0b342 DHW |
631 | } |
632 | ||
633 | static void | |
1418c83b SC |
634 | DEFUN(wild,(s, section, file, target, output), |
635 | lang_wild_statement_type *s AND | |
636 | CONST char *CONST section AND | |
637 | CONST char *CONST file AND | |
638 | CONST char *CONST target AND | |
639 | lang_output_section_statement_type *output) | |
2fa0b342 DHW |
640 | { |
641 | lang_input_statement_type *f; | |
642 | if (file == (char *)NULL) { | |
643 | /* Perform the iteration over all files in the list */ | |
644 | for (f = (lang_input_statement_type *)file_chain.head; | |
645 | f != (lang_input_statement_type *)NULL; | |
646 | f = (lang_input_statement_type *)f->next) { | |
647 | wild_section(s, section, f, output); | |
648 | } | |
649 | } | |
650 | else { | |
651 | /* Perform the iteration over a single file */ | |
1418c83b | 652 | wild_section( s, section, lookup_name(file), output); |
2fa0b342 | 653 | } |
b0f36869 SC |
654 | if (section != (char *)NULL |
655 | && strcmp(section,"COMMON") == 0 | |
1418c83b SC |
656 | && default_common_section == (lang_output_section_statement_type*)NULL) |
657 | { | |
658 | /* Remember the section that common is going to incase we later | |
659 | get something which doesn't know where to put it */ | |
660 | default_common_section = output; | |
661 | } | |
2fa0b342 DHW |
662 | } |
663 | ||
664 | /* | |
665 | read in all the files | |
666 | */ | |
667 | static bfd * | |
097879bc SC |
668 | DEFUN(open_output,(name), |
669 | CONST char *CONST name) | |
2fa0b342 | 670 | { |
1418c83b | 671 | extern CONST char *output_filename; |
097879bc SC |
672 | bfd *output; |
673 | if (output_target == (char *)NULL) { | |
674 | if (current_target != (char *)NULL) | |
675 | output_target = current_target; | |
676 | else | |
677 | output_target = default_target; | |
678 | } | |
679 | output = bfd_openw(name, output_target); | |
2fa0b342 | 680 | output_filename = name; |
097879bc | 681 | |
2fa0b342 | 682 | if (output == (bfd *)NULL) |
1418c83b SC |
683 | { |
684 | if (bfd_error == invalid_target) { | |
c611e285 | 685 | einfo("%P%F target %s not found\n", output_target); |
1418c83b | 686 | } |
c611e285 | 687 | einfo("%P%F problem opening output file %s, %E", name); |
2fa0b342 | 688 | } |
2fa0b342 | 689 | |
c611e285 | 690 | /* output->flags |= D_PAGED;*/ |
2fa0b342 DHW |
691 | bfd_set_format(output, bfd_object); |
692 | return output; | |
693 | } | |
1418c83b SC |
694 | |
695 | ||
097879bc | 696 | |
1418c83b | 697 | |
2fa0b342 | 698 | static void |
1418c83b SC |
699 | DEFUN(ldlang_open_output,(statement), |
700 | lang_statement_union_type *statement) | |
2fa0b342 | 701 | { |
1418c83b SC |
702 | switch (statement->header.type) |
703 | { | |
704 | case lang_output_statement_enum: | |
097879bc | 705 | output_bfd = open_output(statement->output_statement.name); |
2fa0b342 | 706 | ldemul_set_output_arch(); |
aeedc30e | 707 | if (config.magic_demand_paged && !config.relocateable_output) |
c611e285 | 708 | output_bfd->flags |= D_PAGED; |
aeedc30e PB |
709 | else |
710 | output_bfd->flags &= ~D_PAGED; | |
711 | if (config.text_read_only) | |
712 | output_bfd->flags |= WP_TEXT; | |
713 | else | |
714 | output_bfd->flags &= ~WP_TEXT; | |
2fa0b342 | 715 | break; |
1418c83b | 716 | |
2fa0b342 | 717 | case lang_target_statement_enum: |
1418c83b | 718 | current_target = statement->target_statement.target; |
2fa0b342 | 719 | break; |
1418c83b | 720 | default: |
2fa0b342 | 721 | break; |
1418c83b SC |
722 | } |
723 | } | |
2fa0b342 | 724 | |
1418c83b SC |
725 | static void |
726 | DEFUN(open_input_bfds,(statement), | |
727 | lang_statement_union_type *statement) | |
728 | { | |
729 | switch (statement->header.type) | |
730 | { | |
731 | case lang_target_statement_enum: | |
732 | current_target = statement->target_statement.target; | |
2fa0b342 | 733 | break; |
1418c83b SC |
734 | case lang_wild_statement_enum: |
735 | /* Maybe we should load the file's symbols */ | |
736 | if (statement->wild_statement.filename) | |
737 | { | |
738 | (void) lookup_name(statement->wild_statement.filename); | |
739 | } | |
2fa0b342 | 740 | break; |
1418c83b SC |
741 | case lang_input_statement_enum: |
742 | if (statement->input_statement.real == true) | |
743 | { | |
744 | statement->input_statement.target = current_target; | |
745 | lookup_name(statement->input_statement.filename); | |
746 | } | |
2fa0b342 | 747 | break; |
1418c83b | 748 | default: |
2fa0b342 DHW |
749 | break; |
750 | } | |
2fa0b342 | 751 | } |
2fa0b342 DHW |
752 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
753 | ||
754 | static void | |
755 | lang_reasonable_defaults() | |
756 | { | |
1418c83b | 757 | #if 0 |
8cb5eb31 SC |
758 | lang_output_section_statement_lookup(".text"); |
759 | lang_output_section_statement_lookup(".data"); | |
760 | ||
2fa0b342 DHW |
761 | default_common_section = |
762 | lang_output_section_statement_lookup(".bss"); | |
8cb5eb31 | 763 | |
1418c83b | 764 | |
2fa0b342 DHW |
765 | if (placed_commons == false) { |
766 | lang_wild_statement_type *new = | |
767 | new_stat(lang_wild_statement, | |
768 | &default_common_section->children); | |
769 | new->section_name = "COMMON"; | |
770 | new->filename = (char *)NULL; | |
771 | lang_list_init(&new->children); | |
772 | } | |
1418c83b | 773 | #endif |
8cb5eb31 | 774 | |
2fa0b342 DHW |
775 | } |
776 | ||
1418c83b SC |
777 | /* |
778 | Add the supplied name to the symbol table as an undefined reference. | |
779 | Remove items from the chain as we open input bfds | |
780 | */ | |
f177a611 JG |
781 | typedef struct ldlang_undef_chain_list { |
782 | struct ldlang_undef_chain_list *next; | |
1418c83b SC |
783 | char *name; |
784 | } ldlang_undef_chain_list_type; | |
785 | ||
786 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
787 | ||
788 | void | |
789 | DEFUN(ldlang_add_undef,(name), | |
790 | CONST char *CONST name) | |
2fa0b342 | 791 | { |
1418c83b SC |
792 | ldlang_undef_chain_list_type *new = |
793 | (ldlang_undef_chain_list_type | |
3f8d46e7 | 794 | *)ldmalloc((bfd_size_type)(sizeof(ldlang_undef_chain_list_type))); |
1418c83b SC |
795 | |
796 | new->next = ldlang_undef_chain_list_head; | |
797 | ldlang_undef_chain_list_head = new; | |
798 | ||
799 | new->name = buystring(name); | |
800 | } | |
801 | /* Run through the list of undefineds created above and place them | |
802 | into the linker hash table as undefined symbols belonging to the | |
803 | script file. | |
804 | */ | |
805 | static void | |
806 | DEFUN_VOID(lang_place_undefineds) | |
807 | { | |
808 | ldlang_undef_chain_list_type *ptr = ldlang_undef_chain_list_head; | |
809 | while (ptr != (ldlang_undef_chain_list_type*)NULL) { | |
810 | ldsym_type *sy = ldsym_get(ptr->name); | |
811 | asymbol *def; | |
3f8d46e7 | 812 | asymbol **def_ptr = (asymbol **)ldmalloc((bfd_size_type)(sizeof(asymbol **))); |
1418c83b SC |
813 | def = (asymbol *)bfd_make_empty_symbol(script_file->the_bfd); |
814 | *def_ptr= def; | |
815 | def->name = ptr->name; | |
c611e285 | 816 | def->section = &bfd_und_section; |
1418c83b SC |
817 | Q_enter_global_ref(def_ptr); |
818 | ptr = ptr->next; | |
2fa0b342 | 819 | } |
1418c83b | 820 | } |
2fa0b342 | 821 | |
1418c83b SC |
822 | |
823 | ||
824 | /* Copy important data from out internal form to the bfd way. Also | |
825 | create a section for the dummy file | |
826 | */ | |
827 | ||
828 | static void | |
829 | DEFUN_VOID(lang_create_output_section_statements) | |
830 | { | |
831 | lang_statement_union_type*os; | |
832 | for (os = lang_output_section_statement.head; | |
833 | os != (lang_statement_union_type*)NULL; | |
834 | os = os->output_section_statement.next) { | |
835 | lang_output_section_statement_type *s = | |
836 | &os->output_section_statement; | |
837 | init_os(s); | |
838 | } | |
839 | ||
840 | } | |
841 | ||
842 | static void | |
843 | DEFUN_VOID(lang_init_script_file) | |
844 | { | |
845 | script_file = lang_add_input_file("script file", | |
846 | lang_input_file_is_fake_enum, | |
847 | (char *)NULL); | |
848 | script_file->the_bfd = bfd_create("script file", output_bfd); | |
849 | script_file->symbol_count = 0; | |
850 | script_file->the_bfd->sections = output_bfd->sections; | |
2fa0b342 DHW |
851 | } |
852 | ||
853 | ||
1418c83b SC |
854 | |
855 | ||
2fa0b342 DHW |
856 | /* Open input files and attatch to output sections */ |
857 | static void | |
1418c83b SC |
858 | DEFUN(map_input_to_output_sections,(s, target, output_section_statement), |
859 | lang_statement_union_type *s AND | |
860 | CONST char *target AND | |
861 | lang_output_section_statement_type *output_section_statement) | |
2fa0b342 DHW |
862 | { |
863 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
864 | { | |
865 | switch (s->header.type) { | |
81016051 SC |
866 | |
867 | ||
2fa0b342 DHW |
868 | case lang_wild_statement_enum: |
869 | wild(&s->wild_statement, s->wild_statement.section_name, | |
870 | s->wild_statement.filename, target, | |
871 | output_section_statement); | |
872 | ||
873 | break; | |
81016051 SC |
874 | case lang_constructors_statement_enum: |
875 | map_input_to_output_sections(constructor_list.head, | |
876 | target, | |
877 | output_section_statement); | |
878 | break; | |
2fa0b342 | 879 | case lang_output_section_statement_enum: |
1418c83b | 880 | map_input_to_output_sections(s->output_section_statement.children.head, |
2fa0b342 DHW |
881 | target, |
882 | &s->output_section_statement); | |
883 | break; | |
884 | case lang_output_statement_enum: | |
885 | break; | |
886 | case lang_target_statement_enum: | |
887 | target = s->target_statement.target; | |
888 | break; | |
2fa0b342 DHW |
889 | case lang_fill_statement_enum: |
890 | case lang_input_section_enum: | |
891 | case lang_object_symbols_statement_enum: | |
892 | case lang_data_statement_enum: | |
1418c83b SC |
893 | case lang_assignment_statement_enum: |
894 | case lang_padding_statement_enum: | |
2fa0b342 DHW |
895 | break; |
896 | case lang_afile_asection_pair_statement_enum: | |
897 | FAIL(); | |
898 | break; | |
2fa0b342 DHW |
899 | case lang_address_statement_enum: |
900 | /* Mark the specified section with the supplied address */ | |
901 | { | |
902 | lang_output_section_statement_type *os = | |
903 | lang_output_section_statement_lookup | |
904 | (s->address_statement.section_name); | |
905 | os->addr_tree = s->address_statement.address; | |
48491e2e | 906 | if (os->bfd_section == (asection *)NULL) { |
c611e285 SC |
907 | einfo("%P%F can't set the address of undefined section %s\n", |
908 | s->address_statement.section_name); | |
48491e2e | 909 | } |
2fa0b342 DHW |
910 | } |
911 | break; | |
912 | case lang_input_statement_enum: | |
913 | /* A standard input statement, has no wildcards */ | |
1418c83b | 914 | /* ldmain_open_file_read_symbol(&s->input_statement);*/ |
2fa0b342 DHW |
915 | break; |
916 | } | |
917 | } | |
918 | } | |
919 | ||
920 | ||
921 | ||
922 | ||
923 | ||
924 | static void | |
1418c83b SC |
925 | DEFUN(print_output_section_statement,(output_section_statement), |
926 | lang_output_section_statement_type *output_section_statement) | |
2fa0b342 DHW |
927 | { |
928 | asection *section = output_section_statement->bfd_section; | |
929 | print_nl(); | |
930 | print_section(output_section_statement->name); | |
931 | ||
932 | if (section) { | |
933 | print_dot = section->vma; | |
934 | print_space(); | |
935 | print_section(""); | |
936 | print_space(); | |
937 | print_address(section->vma); | |
938 | print_space(); | |
c611e285 | 939 | print_size(bfd_get_section_size_before_reloc(section)); |
2fa0b342 DHW |
940 | print_space(); |
941 | print_alignment(section->alignment_power); | |
942 | print_space(); | |
943 | #if 0 | |
944 | printf("%s flags", output_section_statement->region->name); | |
945 | print_flags(stdout, &output_section_statement->flags); | |
946 | #endif | |
7bc4a0d7 SC |
947 | if (section->flags & SEC_LOAD) |
948 | printf("load "); | |
949 | if (section->flags & SEC_ALLOC) | |
950 | printf("alloc "); | |
951 | if (section->flags & SEC_RELOC) | |
952 | printf("reloc "); | |
953 | if (section->flags & SEC_HAS_CONTENTS) | |
954 | printf("contents "); | |
2fa0b342 DHW |
955 | |
956 | } | |
957 | else { | |
958 | printf("No attached output section"); | |
959 | } | |
960 | print_nl(); | |
961 | print_statement(output_section_statement->children.head, | |
962 | output_section_statement); | |
963 | ||
964 | } | |
965 | ||
966 | static void | |
1418c83b SC |
967 | DEFUN(print_assignment,(assignment, output_section), |
968 | lang_assignment_statement_type *assignment AND | |
969 | lang_output_section_statement_type *output_section) | |
2fa0b342 DHW |
970 | { |
971 | etree_value_type result; | |
972 | print_section(""); | |
973 | print_space(); | |
974 | print_section(""); | |
975 | print_space(); | |
976 | print_address(print_dot); | |
977 | print_space(); | |
978 | result = exp_fold_tree(assignment->exp->assign.src, | |
979 | output_section, | |
980 | lang_final_phase_enum, | |
981 | print_dot, | |
982 | &print_dot); | |
983 | ||
984 | if (result.valid) { | |
985 | print_address(result.value); | |
986 | } | |
987 | else | |
1418c83b SC |
988 | { |
989 | printf("*undefined*"); | |
990 | } | |
2fa0b342 DHW |
991 | print_space(); |
992 | exp_print_tree(stdout, assignment->exp); | |
993 | printf("\n"); | |
994 | } | |
995 | ||
996 | static void | |
1418c83b SC |
997 | DEFUN(print_input_statement,(statm), |
998 | lang_input_statement_type *statm) | |
2fa0b342 | 999 | { |
070aa819 SC |
1000 | if (statm->filename != (char *)NULL) { |
1001 | printf("LOAD %s\n",statm->filename); | |
1002 | } | |
2fa0b342 DHW |
1003 | } |
1004 | ||
1418c83b SC |
1005 | static void |
1006 | DEFUN(print_symbol,(q), | |
1007 | asymbol *q) | |
2fa0b342 DHW |
1008 | { |
1009 | print_section(""); | |
1010 | printf(" "); | |
1011 | print_section(""); | |
1012 | printf(" "); | |
1013 | print_address(outside_symbol_address(q)); | |
1014 | printf(" %s", q->name ? q->name : " "); | |
1015 | print_nl(); | |
1016 | } | |
1418c83b | 1017 | |
2fa0b342 | 1018 | static void |
1418c83b SC |
1019 | DEFUN(print_input_section,(in), |
1020 | lang_input_section_type *in) | |
2fa0b342 DHW |
1021 | { |
1022 | asection *i = in->section; | |
c611e285 SC |
1023 | int size = i->flags & SEC_HAS_CONTENTS ? |
1024 | bfd_get_section_size_after_reloc(i) : | |
1025 | bfd_get_section_size_before_reloc(i); | |
1026 | ||
2fa0b342 | 1027 | |
c611e285 | 1028 | if(size != 0) { |
2fa0b342 DHW |
1029 | print_section(""); |
1030 | printf(" "); | |
1031 | print_section(i->name); | |
1032 | printf(" "); | |
1033 | if (i->output_section) { | |
1034 | print_address(i->output_section->vma + i->output_offset); | |
1035 | printf(" "); | |
c611e285 | 1036 | print_size(size); |
2fa0b342 DHW |
1037 | printf(" "); |
1038 | print_alignment(i->alignment_power); | |
1039 | printf(" "); | |
1040 | if (in->ifile) { | |
1418c83b | 1041 | |
2fa0b342 | 1042 | bfd *abfd = in->ifile->the_bfd; |
1418c83b SC |
1043 | if (in->ifile->just_syms_flag == true) { |
1044 | printf("symbols only "); | |
1045 | } | |
1046 | ||
2fa0b342 DHW |
1047 | printf(" %s ",abfd->xvec->name); |
1048 | if(abfd->my_archive != (bfd *)NULL) { | |
1049 | printf("[%s]%s", abfd->my_archive->filename, | |
1050 | abfd->filename); | |
1051 | } | |
1052 | else { | |
1053 | printf("%s", abfd->filename); | |
1054 | } | |
48491e2e | 1055 | printf("(overhead %d bytes)", (int)bfd_alloc_size(abfd)); |
2fa0b342 DHW |
1056 | print_nl(); |
1057 | ||
1058 | /* Find all the symbols in this file defined in this section */ | |
1418c83b SC |
1059 | { |
1060 | asymbol **p; | |
1061 | for (p = in->ifile->asymbols; *p; p++) { | |
1062 | asymbol *q = *p; | |
2fa0b342 | 1063 | |
1418c83b SC |
1064 | if (bfd_get_section(q) == i && q->flags & BSF_GLOBAL) { |
1065 | print_symbol(q); | |
1066 | } | |
2fa0b342 DHW |
1067 | } |
1068 | } | |
2fa0b342 DHW |
1069 | } |
1070 | else { | |
1071 | print_nl(); | |
1072 | } | |
1073 | ||
1074 | ||
c611e285 | 1075 | print_dot = outside_section_address(i) + size; |
2fa0b342 DHW |
1076 | } |
1077 | else { | |
1078 | printf("No output section allocated\n"); | |
1079 | } | |
1080 | } | |
1081 | } | |
2fa0b342 | 1082 | |
2fa0b342 | 1083 | static void |
1418c83b SC |
1084 | DEFUN(print_fill_statement,(fill), |
1085 | lang_fill_statement_type *fill) | |
2fa0b342 DHW |
1086 | { |
1087 | printf("FILL mask "); | |
1088 | print_fill( fill->fill); | |
1089 | } | |
1090 | ||
1091 | static void | |
1418c83b SC |
1092 | DEFUN(print_data_statement,(data), |
1093 | lang_data_statement_type *data) | |
2fa0b342 DHW |
1094 | { |
1095 | /* bfd_vma value; */ | |
1096 | print_section(""); | |
1097 | print_space(); | |
1098 | print_section(""); | |
1099 | print_space(); | |
65c552e3 | 1100 | /* ASSERT(print_dot == data->output_vma);*/ |
2fa0b342 DHW |
1101 | |
1102 | print_address(data->output_vma); | |
1103 | print_space(); | |
1104 | print_address(data->value); | |
1105 | print_space(); | |
1106 | switch (data->type) { | |
1107 | case BYTE : | |
1108 | printf("BYTE "); | |
1109 | print_dot += BYTE_SIZE; | |
1110 | break; | |
1111 | case SHORT: | |
1112 | printf("SHORT "); | |
1113 | print_dot += SHORT_SIZE; | |
1114 | break; | |
1115 | case LONG: | |
1116 | printf("LONG "); | |
1117 | print_dot += LONG_SIZE; | |
1118 | break; | |
1119 | } | |
1120 | ||
1121 | exp_print_tree(stdout, data->exp); | |
1122 | ||
1123 | printf("\n"); | |
1124 | } | |
1125 | ||
1126 | ||
1127 | static void | |
1418c83b SC |
1128 | DEFUN(print_padding_statement,(s), |
1129 | lang_padding_statement_type *s) | |
2fa0b342 DHW |
1130 | { |
1131 | print_section(""); | |
1132 | print_space(); | |
1133 | print_section("*fill*"); | |
1134 | print_space(); | |
1135 | print_address(s->output_offset + s->output_section->vma); | |
1136 | print_space(); | |
1137 | print_size(s->size); | |
1138 | print_space(); | |
1139 | print_fill(s->fill); | |
1140 | print_nl(); | |
1141 | } | |
1142 | ||
1418c83b SC |
1143 | static void |
1144 | DEFUN(print_wild_statement,(w,os), | |
1145 | lang_wild_statement_type *w AND | |
1146 | lang_output_section_statement_type *os) | |
2fa0b342 | 1147 | { |
48491e2e | 1148 | printf(" from "); |
2fa0b342 DHW |
1149 | if (w->filename != (char *)NULL) { |
1150 | printf("%s",w->filename); | |
1151 | } | |
1152 | else { | |
1153 | printf("*"); | |
1154 | } | |
1155 | if (w->section_name != (char *)NULL) { | |
1156 | printf("(%s)",w->section_name); | |
1157 | } | |
1158 | else { | |
1159 | printf("(*)"); | |
1160 | } | |
1161 | print_nl(); | |
1162 | print_statement(w->children.head, os); | |
1163 | ||
1164 | } | |
1165 | static void | |
1418c83b SC |
1166 | DEFUN(print_statement,(s, os), |
1167 | lang_statement_union_type *s AND | |
1168 | lang_output_section_statement_type *os) | |
2fa0b342 | 1169 | { |
c611e285 SC |
1170 | while (s) |
1171 | { | |
1172 | switch (s->header.type) | |
1173 | { | |
1174 | case lang_constructors_statement_enum: | |
1175 | printf("constructors:\n"); | |
1176 | print_statement(constructor_list.head, os); | |
1177 | break; | |
1178 | case lang_wild_statement_enum: | |
1179 | print_wild_statement(&s->wild_statement, os); | |
1180 | break; | |
1181 | default: | |
1182 | printf("Fail with %d\n",s->header.type); | |
1183 | FAIL(); | |
1184 | break; | |
1185 | case lang_address_statement_enum: | |
1186 | printf("address\n"); | |
1187 | break; | |
1188 | break; | |
1189 | case lang_object_symbols_statement_enum: | |
1190 | printf("object symbols\n"); | |
1191 | break; | |
1192 | case lang_fill_statement_enum: | |
1193 | print_fill_statement(&s->fill_statement); | |
1194 | break; | |
1195 | case lang_data_statement_enum: | |
1196 | print_data_statement(&s->data_statement); | |
1197 | break; | |
1198 | case lang_input_section_enum: | |
1199 | print_input_section(&s->input_section); | |
1200 | break; | |
1201 | case lang_padding_statement_enum: | |
1202 | print_padding_statement(&s->padding_statement); | |
1203 | break; | |
1204 | case lang_output_section_statement_enum: | |
1205 | print_output_section_statement(&s->output_section_statement); | |
1206 | break; | |
1207 | case lang_assignment_statement_enum: | |
1208 | print_assignment(&s->assignment_statement, | |
1209 | os); | |
1210 | break; | |
1211 | case lang_target_statement_enum: | |
1212 | printf("TARGET(%s)\n", s->target_statement.target); | |
1213 | break; | |
1214 | case lang_output_statement_enum: | |
1215 | printf("OUTPUT(%s %s)\n", | |
1216 | s->output_statement.name, | |
1217 | output_target); | |
1218 | break; | |
1219 | case lang_input_statement_enum: | |
1220 | print_input_statement(&s->input_statement); | |
1221 | break; | |
1222 | case lang_afile_asection_pair_statement_enum: | |
1223 | FAIL(); | |
1224 | break; | |
1225 | } | |
1226 | s = s->next; | |
2fa0b342 | 1227 | } |
2fa0b342 DHW |
1228 | } |
1229 | ||
1230 | ||
1231 | static void | |
1418c83b | 1232 | DEFUN_VOID(print_statements) |
2fa0b342 DHW |
1233 | { |
1234 | print_statement(statement_list.head, | |
1235 | (lang_output_section_statement_type *)NULL); | |
1236 | } | |
1237 | ||
1238 | static bfd_vma | |
1418c83b SC |
1239 | DEFUN(insert_pad,(this_ptr, fill, power, output_section_statement, dot), |
1240 | lang_statement_union_type **this_ptr AND | |
1241 | fill_type fill AND | |
1242 | unsigned int power AND | |
1243 | asection * output_section_statement AND | |
1244 | bfd_vma dot) | |
2fa0b342 DHW |
1245 | { |
1246 | /* Align this section first to the | |
1247 | input sections requirement, then | |
1248 | to the output section's requirement. | |
1249 | If this alignment is > than any seen before, | |
1250 | then record it too. Perform the alignment by | |
1251 | inserting a magic 'padding' statement. | |
1252 | */ | |
1253 | ||
1254 | unsigned int alignment_needed = align_power(dot, power) - dot; | |
1255 | ||
1256 | if (alignment_needed != 0) | |
1257 | { | |
1258 | lang_statement_union_type *new = | |
1259 | (lang_statement_union_type *) | |
3f8d46e7 | 1260 | ldmalloc((bfd_size_type)(sizeof(lang_padding_statement_type))); |
2fa0b342 DHW |
1261 | /* Link into existing chain */ |
1262 | new->header.next = *this_ptr; | |
1263 | *this_ptr = new; | |
1264 | new->header.type = lang_padding_statement_enum; | |
1265 | new->padding_statement.output_section = output_section_statement; | |
1266 | new->padding_statement.output_offset = | |
1267 | dot - output_section_statement->vma; | |
1268 | new->padding_statement.fill = fill; | |
1269 | new->padding_statement.size = alignment_needed; | |
1270 | } | |
1271 | ||
1272 | ||
1273 | /* Remember the most restrictive alignment */ | |
1274 | if (power > output_section_statement->alignment_power) { | |
1275 | output_section_statement->alignment_power = power; | |
1276 | } | |
c611e285 | 1277 | output_section_statement->_raw_size += alignment_needed; |
2fa0b342 DHW |
1278 | return alignment_needed + dot; |
1279 | ||
1280 | } | |
1281 | ||
1418c83b | 1282 | /* Work out how much this section will move the dot point */ |
2fa0b342 | 1283 | static bfd_vma |
1418c83b SC |
1284 | DEFUN(size_input_section, (this_ptr, output_section_statement, fill, dot), |
1285 | lang_statement_union_type **this_ptr AND | |
1286 | lang_output_section_statement_type*output_section_statement AND | |
1287 | unsigned short fill AND | |
1288 | bfd_vma dot) | |
2fa0b342 DHW |
1289 | { |
1290 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1291 | asection *i = is->section; | |
1418c83b SC |
1292 | |
1293 | if (is->ifile->just_syms_flag == false) { | |
ac004870 SC |
1294 | dot = insert_pad(this_ptr, fill, i->alignment_power, |
1295 | output_section_statement->bfd_section, dot); | |
2fa0b342 | 1296 | |
7bc4a0d7 SC |
1297 | /* remember the largest size so we can malloc the largest area |
1298 | needed for the output stage. Only remember the size of sections | |
1299 | which we will actually allocate */ | |
1300 | if (((i->flags & | |
1301 | (SEC_HAS_CONTENTS | SEC_LOAD)) == (SEC_HAS_CONTENTS | SEC_LOAD)) | |
c611e285 SC |
1302 | && (bfd_get_section_size_before_reloc(i) > largest_section)) { |
1303 | largest_section = bfd_get_section_size_before_reloc(i); | |
ac004870 | 1304 | } |
2fa0b342 | 1305 | |
ac004870 | 1306 | /* Remember where in the output section this input section goes */ |
2fa0b342 | 1307 | |
ac004870 SC |
1308 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1309 | ||
1310 | /* Mark how big the output section must be to contain this now */ | |
c611e285 SC |
1311 | dot += bfd_get_section_size_before_reloc(i); |
1312 | output_section_statement->bfd_section->_raw_size = | |
ac004870 SC |
1313 | dot - output_section_statement->bfd_section->vma; |
1314 | } | |
1315 | else | |
1316 | { | |
1317 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1318 | } | |
2fa0b342 DHW |
1319 | |
1320 | return dot ; | |
1321 | } | |
1322 | ||
c611e285 | 1323 | #if 0 |
2fa0b342 | 1324 | /* Work out the size of the output sections |
c611e285 | 1325 | from the sizes of the input sections */ |
2fa0b342 | 1326 | static bfd_vma |
c611e285 SC |
1327 | DEFUN(lang_size_sections,(s, output_section_statement, prev, fill, |
1328 | dot), | |
1418c83b SC |
1329 | lang_statement_union_type *s AND |
1330 | lang_output_section_statement_type * output_section_statement AND | |
1331 | lang_statement_union_type **prev AND | |
1332 | unsigned short fill AND | |
1333 | bfd_vma dot) | |
c611e285 | 1334 | |
2fa0b342 DHW |
1335 | { |
1336 | /* Size up the sections from their constituent parts */ | |
1337 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
1418c83b SC |
1338 | { |
1339 | switch (s->header.type) { | |
81016051 SC |
1340 | |
1341 | ||
1418c83b SC |
1342 | case lang_output_section_statement_enum: |
1343 | { | |
1344 | bfd_vma after; | |
1345 | lang_output_section_statement_type *os = | |
1346 | &(s->output_section_statement); | |
1347 | /* The start of a section */ | |
2fa0b342 | 1348 | |
1418c83b SC |
1349 | if (os->addr_tree == (etree_type *)NULL) { |
1350 | /* No address specified for this section, get one | |
1351 | from the region specification | |
1352 | */ | |
1353 | if (os->region == (lang_memory_region_type *)NULL) { | |
2fa0b342 | 1354 | os->region = lang_memory_region_lookup("*default*"); |
1418c83b SC |
1355 | } |
1356 | dot = os->region->current; | |
2fa0b342 | 1357 | } |
1418c83b SC |
1358 | else { |
1359 | etree_value_type r ; | |
1360 | r = exp_fold_tree(os->addr_tree, | |
1361 | (lang_output_section_statement_type *)NULL, | |
1362 | lang_allocating_phase_enum, | |
1363 | dot, &dot); | |
1364 | if (r.valid == false) { | |
c611e285 | 1365 | einfo("%F%S: non constant address expression for section %s\n", |
1418c83b SC |
1366 | os->name); |
1367 | } | |
1368 | dot = r.value; | |
1369 | } | |
1370 | /* The section starts here */ | |
1371 | /* First, align to what the section needs */ | |
2fa0b342 | 1372 | |
1418c83b SC |
1373 | dot = align_power(dot, os->bfd_section->alignment_power); |
1374 | os->bfd_section->vma = dot; | |
1375 | os->bfd_section->output_offset = 0; | |
2fa0b342 | 1376 | |
1418c83b SC |
1377 | (void) lang_size_sections(os->children.head, os, &os->children.head, |
1378 | os->fill, dot); | |
1379 | /* Ignore the size of the input sections, use the vma and size to */ | |
1380 | /* align against */ | |
2fa0b342 DHW |
1381 | |
1382 | ||
1418c83b SC |
1383 | after = ALIGN(os->bfd_section->vma + |
1384 | os->bfd_section->size, | |
1385 | os->block_value) ; | |
2fa0b342 DHW |
1386 | |
1387 | ||
1418c83b SC |
1388 | os->bfd_section->size = after - os->bfd_section->vma; |
1389 | dot = os->bfd_section->vma + os->bfd_section->size; | |
1390 | os->processed = true; | |
2fa0b342 | 1391 | |
1418c83b SC |
1392 | /* Replace into region ? */ |
1393 | if (os->addr_tree == (etree_type *)NULL | |
1394 | && os->region !=(lang_memory_region_type*)NULL ) { | |
1395 | os->region->current = dot; | |
1396 | } | |
1397 | } | |
2fa0b342 | 1398 | |
1418c83b | 1399 | break; |
81016051 SC |
1400 | case lang_constructors_statement_enum: |
1401 | dot = lang_size_sections(constructor_list.head, | |
1402 | output_section_statement, | |
1403 | &s->wild_statement.children.head, | |
1404 | fill, | |
1405 | dot); | |
1406 | break; | |
1407 | ||
1418c83b SC |
1408 | case lang_data_statement_enum: |
1409 | { | |
c611e285 | 1410 | unsigned int size = 0; |
65c552e3 | 1411 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; |
1418c83b SC |
1412 | s->data_statement.output_section = |
1413 | output_section_statement->bfd_section; | |
2fa0b342 | 1414 | |
1418c83b SC |
1415 | switch (s->data_statement.type) { |
1416 | case LONG: | |
1417 | size = LONG_SIZE; | |
1418 | break; | |
1419 | case SHORT: | |
1420 | size = SHORT_SIZE; | |
1421 | break; | |
1422 | case BYTE: | |
1423 | size = BYTE_SIZE; | |
1424 | break; | |
2fa0b342 | 1425 | |
1418c83b SC |
1426 | } |
1427 | dot += size; | |
1428 | output_section_statement->bfd_section->size += size; | |
1429 | } | |
1430 | break; | |
2fa0b342 | 1431 | |
1418c83b | 1432 | case lang_wild_statement_enum: |
2fa0b342 | 1433 | |
1418c83b | 1434 | dot = lang_size_sections(s->wild_statement.children.head, |
2fa0b342 DHW |
1435 | output_section_statement, |
1436 | &s->wild_statement.children.head, | |
1437 | ||
1438 | fill, dot); | |
1439 | ||
1418c83b | 1440 | break; |
2fa0b342 | 1441 | |
1418c83b SC |
1442 | case lang_object_symbols_statement_enum: |
1443 | create_object_symbols = output_section_statement; | |
1444 | break; | |
1445 | case lang_output_statement_enum: | |
1446 | case lang_target_statement_enum: | |
1447 | break; | |
1448 | case lang_input_section_enum: | |
1449 | dot = size_input_section(prev, | |
2fa0b342 DHW |
1450 | output_section_statement, |
1451 | output_section_statement->fill, dot); | |
1418c83b SC |
1452 | break; |
1453 | case lang_input_statement_enum: | |
1454 | break; | |
1455 | case lang_fill_statement_enum: | |
1456 | fill = s->fill_statement.fill; | |
1457 | break; | |
1458 | case lang_assignment_statement_enum: | |
2fa0b342 | 1459 | { |
1418c83b SC |
1460 | bfd_vma newdot = dot; |
1461 | exp_fold_tree(s->assignment_statement.exp, | |
1462 | output_section_statement, | |
1463 | lang_allocating_phase_enum, | |
1464 | dot, | |
1465 | &newdot); | |
1466 | ||
1467 | if (newdot != dot) | |
1468 | /* We've been moved ! so insert a pad */ | |
1469 | { | |
1470 | lang_statement_union_type *new = | |
1471 | (lang_statement_union_type *) | |
3f8d46e7 | 1472 | ldmalloc((bfd_size_type)(sizeof(lang_padding_statement_type))); |
1418c83b SC |
1473 | /* Link into existing chain */ |
1474 | new->header.next = *prev; | |
1475 | *prev = new; | |
1476 | new->header.type = lang_padding_statement_enum; | |
1477 | new->padding_statement.output_section = | |
1478 | output_section_statement->bfd_section; | |
1479 | new->padding_statement.output_offset = | |
1480 | dot - output_section_statement->bfd_section->vma; | |
1481 | new->padding_statement.fill = fill; | |
1482 | new->padding_statement.size = newdot - dot; | |
1483 | output_section_statement->bfd_section->size += | |
1484 | new->padding_statement.size; | |
1485 | dot = newdot; | |
1486 | } | |
2fa0b342 | 1487 | } |
2fa0b342 | 1488 | |
1418c83b SC |
1489 | break; |
1490 | case lang_padding_statement_enum: | |
1491 | FAIL(); | |
1492 | break; | |
1493 | default: | |
1494 | FAIL(); | |
1495 | break; | |
1496 | case lang_address_statement_enum: | |
1497 | break; | |
1498 | } | |
1499 | prev = &s->header.next; | |
2fa0b342 | 1500 | } |
2fa0b342 | 1501 | return dot; |
c611e285 SC |
1502 | } |
1503 | #else | |
1504 | /* Sizing happens in two passes, first pass we allocate worst case | |
1505 | stuff. The second pass (if relaxing), we use what we learnt to | |
1506 | change the size of some relocs from worst case to better | |
1507 | */ | |
1508 | static boolean had_relax; | |
1509 | ||
1510 | static bfd_vma | |
1511 | DEFUN(lang_size_sections,(s, output_section_statement, prev, fill, | |
1512 | dot, relax), | |
1513 | lang_statement_union_type *s AND | |
1514 | lang_output_section_statement_type * output_section_statement AND | |
1515 | lang_statement_union_type **prev AND | |
1516 | unsigned short fill AND | |
1517 | bfd_vma dot AND | |
1518 | boolean relax) | |
1519 | { | |
1520 | /* Size up the sections from their constituent parts */ | |
1521 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
1522 | { | |
1523 | switch (s->header.type) { | |
1524 | ||
1525 | case lang_output_section_statement_enum: | |
1526 | { | |
1527 | bfd_vma after; | |
1528 | lang_output_section_statement_type *os = | |
1529 | &(s->output_section_statement); | |
1530 | /* The start of a section */ | |
1531 | ||
1532 | if (os->addr_tree == (etree_type *)NULL) { | |
1533 | /* No address specified for this section, get one | |
1534 | from the region specification | |
1535 | */ | |
1536 | if (os->region == (lang_memory_region_type *)NULL) { | |
1537 | os->region = lang_memory_region_lookup("*default*"); | |
1538 | } | |
1539 | dot = os->region->current; | |
1540 | } | |
1541 | else { | |
1542 | etree_value_type r ; | |
1543 | r = exp_fold_tree(os->addr_tree, | |
1544 | (lang_output_section_statement_type *)NULL, | |
1545 | lang_allocating_phase_enum, | |
1546 | dot, &dot); | |
1547 | if (r.valid == false) { | |
1548 | einfo("%F%S: non constant address expression for section %s\n", | |
1549 | os->name); | |
1550 | } | |
1551 | dot = r.value; | |
1552 | } | |
1553 | /* The section starts here */ | |
1554 | /* First, align to what the section needs */ | |
1555 | ||
1556 | dot = align_power(dot, os->bfd_section->alignment_power); | |
1557 | os->bfd_section->vma = dot; | |
1558 | os->bfd_section->output_offset = 0; | |
1559 | ||
1560 | (void) lang_size_sections(os->children.head, os, &os->children.head, | |
1561 | os->fill, dot, relax); | |
1562 | /* Ignore the size of the input sections, use the vma and size to */ | |
1563 | /* align against */ | |
1564 | ||
1565 | ||
1566 | after = ALIGN(os->bfd_section->vma + | |
1567 | os->bfd_section->_raw_size, | |
1568 | os->block_value) ; | |
1569 | ||
1570 | ||
1571 | os->bfd_section->_raw_size = after - os->bfd_section->vma; | |
1572 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1573 | os->processed = true; | |
1574 | ||
1575 | /* Replace into region ? */ | |
1576 | if (os->addr_tree == (etree_type *)NULL | |
1577 | && os->region !=(lang_memory_region_type*)NULL ) { | |
1578 | os->region->current = dot; | |
1579 | } | |
1580 | } | |
1581 | ||
1582 | break; | |
1583 | case lang_constructors_statement_enum: | |
1584 | dot = lang_size_sections(constructor_list.head, | |
1585 | output_section_statement, | |
1586 | &s->wild_statement.children.head, | |
1587 | fill, | |
1588 | dot, relax); | |
1589 | break; | |
1590 | ||
1591 | case lang_data_statement_enum: | |
1592 | { | |
1593 | unsigned int size = 0; | |
1594 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; | |
1595 | s->data_statement.output_section = | |
1596 | output_section_statement->bfd_section; | |
1597 | ||
1598 | switch (s->data_statement.type) { | |
1599 | case LONG: | |
1600 | size = LONG_SIZE; | |
1601 | break; | |
1602 | case SHORT: | |
1603 | size = SHORT_SIZE; | |
1604 | break; | |
1605 | case BYTE: | |
1606 | size = BYTE_SIZE; | |
1607 | break; | |
1608 | ||
1609 | } | |
1610 | dot += size; | |
1611 | output_section_statement->bfd_section->_raw_size += size; | |
1612 | } | |
1613 | break; | |
1614 | ||
1615 | case lang_wild_statement_enum: | |
1616 | ||
1617 | dot = lang_size_sections(s->wild_statement.children.head, | |
1618 | output_section_statement, | |
1619 | &s->wild_statement.children.head, | |
1620 | ||
1621 | fill, dot, relax); | |
1622 | ||
1623 | break; | |
1624 | ||
1625 | case lang_object_symbols_statement_enum: | |
1626 | create_object_symbols = output_section_statement; | |
1627 | break; | |
1628 | case lang_output_statement_enum: | |
1629 | case lang_target_statement_enum: | |
1630 | break; | |
1631 | case lang_input_section_enum: | |
1632 | if (relax) | |
1633 | { | |
1634 | relaxing = true; | |
1635 | ||
1636 | ||
1637 | had_relax |= relax_section(prev); | |
1638 | relaxing = false; | |
1639 | ||
2fa0b342 DHW |
1640 | } |
1641 | ||
c611e285 SC |
1642 | dot = size_input_section(prev, |
1643 | output_section_statement, | |
1644 | output_section_statement->fill, dot); | |
1645 | break; | |
1646 | case lang_input_statement_enum: | |
1647 | break; | |
1648 | case lang_fill_statement_enum: | |
1649 | fill = s->fill_statement.fill; | |
1650 | break; | |
1651 | case lang_assignment_statement_enum: | |
1652 | { | |
1653 | bfd_vma newdot = dot; | |
1654 | exp_fold_tree(s->assignment_statement.exp, | |
1655 | output_section_statement, | |
1656 | lang_allocating_phase_enum, | |
1657 | dot, | |
1658 | &newdot); | |
1659 | ||
1660 | if (newdot != dot) | |
1661 | /* We've been moved ! so insert a pad */ | |
1662 | { | |
1663 | lang_statement_union_type *new = | |
1664 | (lang_statement_union_type *) | |
1665 | ldmalloc((bfd_size_type)(sizeof(lang_padding_statement_type))); | |
1666 | /* Link into existing chain */ | |
1667 | new->header.next = *prev; | |
1668 | *prev = new; | |
1669 | new->header.type = lang_padding_statement_enum; | |
1670 | new->padding_statement.output_section = | |
1671 | output_section_statement->bfd_section; | |
1672 | new->padding_statement.output_offset = | |
1673 | dot - output_section_statement->bfd_section->vma; | |
1674 | new->padding_statement.fill = fill; | |
1675 | new->padding_statement.size = newdot - dot; | |
1676 | output_section_statement->bfd_section->_raw_size += | |
1677 | new->padding_statement.size; | |
1678 | dot = newdot; | |
1679 | } | |
1680 | } | |
1681 | ||
1682 | break; | |
1683 | default: | |
1684 | FAIL(); | |
1685 | break; | |
1686 | /* This can only get here when relaxing is turned on */ | |
1687 | case lang_padding_statement_enum: | |
1688 | ||
1689 | case lang_address_statement_enum: | |
1690 | break; | |
1691 | } | |
1692 | prev = &s->header.next; | |
1693 | } | |
1694 | return dot; | |
1695 | } | |
1696 | #endif | |
2fa0b342 DHW |
1697 | |
1698 | static bfd_vma | |
1418c83b SC |
1699 | DEFUN(lang_do_assignments,(s, output_section_statement, fill, dot), |
1700 | lang_statement_union_type *s AND | |
1701 | lang_output_section_statement_type * output_section_statement AND | |
1702 | unsigned short fill AND | |
1703 | bfd_vma dot) | |
2fa0b342 DHW |
1704 | { |
1705 | ||
1706 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
1707 | { | |
1708 | switch (s->header.type) { | |
81016051 SC |
1709 | case lang_constructors_statement_enum: |
1710 | dot = lang_do_assignments(constructor_list.head, | |
1711 | output_section_statement, | |
1712 | fill, | |
1713 | dot); | |
1714 | break; | |
1715 | ||
2fa0b342 DHW |
1716 | case lang_output_section_statement_enum: |
1717 | { | |
1718 | lang_output_section_statement_type *os = | |
1719 | &(s->output_section_statement); | |
1720 | dot = os->bfd_section->vma; | |
1721 | (void) lang_do_assignments(os->children.head, os, os->fill, dot); | |
c611e285 | 1722 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; |
2fa0b342 DHW |
1723 | } |
1724 | break; | |
1725 | case lang_wild_statement_enum: | |
1726 | ||
1727 | dot = lang_do_assignments(s->wild_statement.children.head, | |
1728 | output_section_statement, | |
1729 | fill, dot); | |
1730 | ||
1731 | break; | |
1732 | ||
1733 | case lang_object_symbols_statement_enum: | |
1734 | case lang_output_statement_enum: | |
1735 | case lang_target_statement_enum: | |
1418c83b | 1736 | #if 0 |
2fa0b342 | 1737 | case lang_common_statement_enum: |
1418c83b | 1738 | #endif |
2fa0b342 DHW |
1739 | break; |
1740 | case lang_data_statement_enum: | |
1741 | { | |
1742 | etree_value_type value ; | |
1743 | value = exp_fold_tree(s->data_statement.exp, | |
1744 | 0, lang_final_phase_enum, dot, &dot); | |
1745 | s->data_statement.value = value.value; | |
c611e285 | 1746 | if (value.valid == false) einfo("%F%P: Invalid data statement\n"); |
2fa0b342 DHW |
1747 | } |
1748 | switch (s->data_statement.type) { | |
1749 | case LONG: | |
1750 | dot += LONG_SIZE; | |
1751 | break; | |
1752 | case SHORT: | |
1753 | dot += SHORT_SIZE; | |
1754 | break; | |
1755 | case BYTE: | |
1756 | dot += BYTE_SIZE; | |
1757 | break; | |
1758 | } | |
1759 | break; | |
1760 | case lang_input_section_enum: | |
1761 | { | |
1762 | asection *in = s->input_section.section; | |
c611e285 | 1763 | dot += bfd_get_section_size_before_reloc(in); |
2fa0b342 DHW |
1764 | } |
1765 | break; | |
1766 | ||
1767 | case lang_input_statement_enum: | |
1768 | break; | |
1769 | case lang_fill_statement_enum: | |
1770 | fill = s->fill_statement.fill; | |
1771 | break; | |
1772 | case lang_assignment_statement_enum: | |
1773 | { | |
1774 | exp_fold_tree(s->assignment_statement.exp, | |
1775 | output_section_statement, | |
1776 | lang_final_phase_enum, | |
1777 | dot, | |
1778 | &dot); | |
1779 | } | |
1780 | ||
1781 | break; | |
1782 | case lang_padding_statement_enum: | |
1783 | dot += s->padding_statement.size; | |
1784 | break; | |
1785 | default: | |
1786 | FAIL(); | |
1787 | break; | |
1788 | case lang_address_statement_enum: | |
1789 | break; | |
1790 | } | |
1791 | ||
1792 | } | |
1793 | return dot; | |
1794 | } | |
1795 | ||
1796 | ||
1797 | ||
1418c83b SC |
1798 | static void |
1799 | DEFUN_VOID(lang_relocate_globals) | |
2fa0b342 DHW |
1800 | { |
1801 | ||
1802 | /* | |
1418c83b SC |
1803 | Each ldsym_type maintains a chain of pointers to asymbols which |
1804 | references the definition. Replace each pointer to the referenence | |
1805 | with a pointer to only one place, preferably the definition. If | |
1806 | the defintion isn't available then the common symbol, and if | |
1807 | there isn't one of them then choose one reference. | |
1808 | */ | |
2fa0b342 DHW |
1809 | |
1810 | FOR_EACH_LDSYM(lgs) { | |
1811 | asymbol *it; | |
1812 | if (lgs->sdefs_chain) { | |
1813 | it = *(lgs->sdefs_chain); | |
1814 | } | |
1815 | else if (lgs->scoms_chain != (asymbol **)NULL) { | |
1816 | it = *(lgs->scoms_chain); | |
1817 | } | |
1818 | else if (lgs->srefs_chain != (asymbol **)NULL) { | |
1819 | it = *(lgs->srefs_chain); | |
1820 | } | |
1821 | else { | |
1418c83b SC |
1822 | /* This can happen when the command line asked for a symbol to |
1823 | be -u */ | |
1824 | it = (asymbol *)NULL; | |
2fa0b342 DHW |
1825 | } |
1826 | if (it != (asymbol *)NULL) | |
1418c83b | 1827 | { |
81016051 SC |
1828 | asymbol **ptr = lgs->srefs_chain;; |
1829 | if (lgs->flags & SYM_WARNING) | |
1830 | { | |
1831 | produce_warnings(lgs, it); | |
1832 | } | |
2fa0b342 | 1833 | |
1418c83b SC |
1834 | while (ptr != (asymbol **)NULL) { |
1835 | asymbol *ref = *ptr; | |
1836 | *ptr = it; | |
1837 | ptr = (asymbol **)(ref->udata); | |
1838 | } | |
2fa0b342 | 1839 | } |
2fa0b342 DHW |
1840 | } |
1841 | } | |
1842 | ||
1843 | ||
1844 | ||
2fa0b342 | 1845 | static void |
1418c83b | 1846 | DEFUN_VOID(lang_finish) |
2fa0b342 DHW |
1847 | { |
1848 | ldsym_type *lgs; | |
1849 | ||
1850 | if (entry_symbol == (char *)NULL) { | |
1851 | /* No entry has been specified, look for start */ | |
1852 | entry_symbol = "start"; | |
1853 | } | |
1854 | lgs = ldsym_get_soft(entry_symbol); | |
1855 | if (lgs && lgs->sdefs_chain) { | |
1856 | asymbol *sy = *(lgs->sdefs_chain); | |
1857 | /* We can set the entry address*/ | |
1858 | bfd_set_start_address(output_bfd, | |
1859 | outside_symbol_address(sy)); | |
1860 | ||
1861 | } | |
1862 | else { | |
1863 | /* Can't find anything reasonable, | |
1864 | use the first address in the text section | |
1865 | */ | |
1866 | asection *ts = bfd_get_section_by_name(output_bfd, ".text"); | |
1867 | if (ts) { | |
1868 | bfd_set_start_address(output_bfd, ts->vma); | |
1869 | } | |
1870 | } | |
1871 | } | |
1872 | ||
1873 | /* By now we know the target architecture, and we may have an */ | |
1874 | /* ldfile_output_machine_name */ | |
1875 | static void | |
1418c83b | 1876 | DEFUN_VOID(lang_check) |
2fa0b342 DHW |
1877 | { |
1878 | lang_statement_union_type *file; | |
7bc4a0d7 | 1879 | |
3f8d46e7 JG |
1880 | bfd * input_bfd; |
1881 | unsigned long input_machine; | |
7bc4a0d7 | 1882 | enum bfd_architecture input_architecture; |
2fa0b342 | 1883 | |
f177a611 | 1884 | CONST bfd_arch_info_type *compatible; |
7bc4a0d7 | 1885 | |
2fa0b342 DHW |
1886 | for (file = file_chain.head; |
1887 | file != (lang_statement_union_type *)NULL; | |
1888 | file=file->input_statement.next) | |
1418c83b | 1889 | { |
06850bea SC |
1890 | unsigned long ldfile_new_output_machine = 0; |
1891 | enum bfd_architecture ldfile_new_output_architecture = bfd_arch_unknown; | |
7bc4a0d7 | 1892 | |
3f8d46e7 | 1893 | input_bfd = file->input_statement.the_bfd; |
7bc4a0d7 | 1894 | |
f177a611 JG |
1895 | input_machine = bfd_get_mach(input_bfd); |
1896 | input_architecture = bfd_get_arch(input_bfd); | |
7bc4a0d7 | 1897 | |
3f8d46e7 | 1898 | |
f177a611 JG |
1899 | /* Inspect the architecture and ensure we're linking like with |
1900 | like */ | |
7bc4a0d7 | 1901 | |
f177a611 JG |
1902 | compatible=bfd_arch_get_compatible(input_bfd, |
1903 | output_bfd); | |
7bc4a0d7 | 1904 | |
f177a611 JG |
1905 | if (compatible) |
1906 | { | |
1907 | ldfile_output_machine = compatible->mach; | |
1908 | ldfile_output_architecture = compatible->arch; | |
1909 | } | |
1910 | else | |
1911 | { | |
7bc4a0d7 | 1912 | |
f177a611 JG |
1913 | info("%P: warning, %s architecture of input file `%B' incompatible with %s output\n", |
1914 | bfd_printable_name(input_bfd), input_bfd, | |
1915 | bfd_printable_name(output_bfd)); | |
7bc4a0d7 SC |
1916 | |
1917 | bfd_set_arch_mach(output_bfd, | |
1918 | ldfile_new_output_architecture, | |
1919 | ldfile_new_output_machine); | |
1920 | } | |
7bc4a0d7 | 1921 | |
f177a611 | 1922 | } |
2fa0b342 DHW |
1923 | } |
1924 | ||
1925 | ||
1926 | /* | |
1927 | * run through all the global common symbols and tie them | |
b6316534 SC |
1928 | * to the output section requested. |
1929 | * | |
1930 | As an experiment we do this 4 times, once for all the byte sizes, | |
1931 | then all the two bytes, all the four bytes and then everything else | |
1932 | */ | |
2fa0b342 DHW |
1933 | |
1934 | static void | |
1418c83b | 1935 | DEFUN_VOID(lang_common) |
2fa0b342 DHW |
1936 | { |
1937 | ldsym_type *lgs; | |
b6316534 | 1938 | size_t power; |
2fa0b342 DHW |
1939 | if (config.relocateable_output == false || |
1940 | command_line.force_common_definition== true) { | |
b6316534 SC |
1941 | for (power = 1; (config.sort_common == true && power == 1) || (power <= 16); power <<=1) { |
1942 | for (lgs = symbol_head; | |
1943 | lgs != (ldsym_type *)NULL; | |
1944 | lgs=lgs->next) | |
1418c83b SC |
1945 | { |
1946 | asymbol *com ; | |
1947 | unsigned int power_of_two; | |
1948 | size_t size; | |
1949 | size_t align; | |
1950 | if (lgs->scoms_chain != (asymbol **)NULL) { | |
1951 | com = *(lgs->scoms_chain); | |
1952 | size = com->value; | |
1953 | switch (size) { | |
1954 | case 0: | |
1955 | case 1: | |
1956 | align = 1; | |
1957 | power_of_two = 0; | |
1958 | break; | |
1959 | case 2: | |
1960 | power_of_two = 1; | |
1961 | align = 2; | |
1962 | break; | |
1963 | case 3: | |
1964 | case 4: | |
1965 | power_of_two =2; | |
1966 | align = 4; | |
1967 | break; | |
1968 | case 5: | |
1969 | case 6: | |
1970 | case 7: | |
1971 | case 8: | |
1972 | power_of_two = 3; | |
2fa0b342 | 1973 | align = 8; |
1418c83b SC |
1974 | break; |
1975 | default: | |
1976 | power_of_two = 4; | |
1977 | align = 16; | |
1978 | break; | |
2fa0b342 | 1979 | } |
b6316534 SC |
1980 | if (config.sort_common == false || align == power) { |
1981 | /* Change from a common symbol into a definition of | |
1982 | a symbol */ | |
1983 | lgs->sdefs_chain = lgs->scoms_chain; | |
1984 | lgs->scoms_chain = (asymbol **)NULL; | |
1985 | commons_pending--; | |
1986 | /* Point to the correct common section */ | |
1987 | com->section = | |
1988 | ((lang_input_statement_type *) | |
1989 | (com->the_bfd->usrdata))->common_section; | |
1990 | /* Fix the size of the common section */ | |
c611e285 SC |
1991 | |
1992 | com->section->_raw_size = | |
1993 | ALIGN(com->section->_raw_size, align); | |
b6316534 SC |
1994 | |
1995 | /* Remember if this is the biggest alignment ever seen */ | |
1996 | if (power_of_two > com->section->alignment_power) { | |
1997 | com->section->alignment_power = power_of_two; | |
1998 | } | |
2fa0b342 | 1999 | |
b6316534 SC |
2000 | /* Symbol stops being common and starts being global, but |
2001 | we remember that it was common once. */ | |
2fa0b342 | 2002 | |
b6316534 | 2003 | com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON; |
c611e285 | 2004 | com->value = com->section->_raw_size; |
1418c83b | 2005 | |
b6316534 | 2006 | if (write_map) |
1418c83b | 2007 | { |
b6316534 | 2008 | printf ("Allocating common %s: %x at %x %s\n", |
1418c83b SC |
2009 | lgs->name, |
2010 | (unsigned) size, | |
b6316534 SC |
2011 | (unsigned) com->value, |
2012 | com->the_bfd->filename); | |
1418c83b | 2013 | } |
097879bc | 2014 | |
c611e285 | 2015 | com->section->_raw_size += size; |
1418c83b | 2016 | |
b6316534 | 2017 | } |
1418c83b | 2018 | } |
b6316534 | 2019 | |
2fa0b342 | 2020 | } |
b6316534 | 2021 | } |
2fa0b342 | 2022 | } |
1418c83b SC |
2023 | |
2024 | ||
2fa0b342 DHW |
2025 | } |
2026 | ||
2027 | /* | |
2028 | run through the input files and ensure that every input | |
2029 | section has somewhere to go. If one is found without | |
2030 | a destination then create an input request and place it | |
2031 | into the statement tree. | |
2032 | */ | |
2033 | ||
1418c83b SC |
2034 | static void |
2035 | DEFUN_VOID(lang_place_orphans) | |
2fa0b342 DHW |
2036 | { |
2037 | lang_input_statement_type *file; | |
2038 | for (file = (lang_input_statement_type*)file_chain.head; | |
2039 | file != (lang_input_statement_type*)NULL; | |
2040 | file = (lang_input_statement_type*)file->next) { | |
2041 | asection *s; | |
2042 | for (s = file->the_bfd->sections; | |
2043 | s != (asection *)NULL; | |
2044 | s = s->next) { | |
2045 | if ( s->output_section == (asection *)NULL) { | |
2046 | /* This section of the file is not attatched, root | |
2047 | around for a sensible place for it to go */ | |
2048 | ||
2049 | if (file->common_section == s) { | |
2050 | /* This is a lonely common section which must | |
2051 | have come from an archive. We attatch to the | |
2052 | section with the wildcard */ | |
1418c83b SC |
2053 | if (config.relocateable_output != true |
2054 | && command_line.force_common_definition == false) { | |
2055 | if (default_common_section == | |
2056 | (lang_output_section_statement_type *)NULL) { | |
2057 | info("%P: No [COMMON] command, defaulting to .bss\n"); | |
2058 | ||
2059 | default_common_section = | |
2060 | lang_output_section_statement_lookup(".bss"); | |
2061 | ||
2062 | } | |
2063 | wild_doit(&default_common_section->children, s, | |
2064 | default_common_section, file); | |
2065 | } | |
2fa0b342 DHW |
2066 | } |
2067 | else { | |
2068 | lang_output_section_statement_type *os = | |
2069 | lang_output_section_statement_lookup(s->name); | |
2070 | ||
2071 | wild_doit(&os->children, s, os, file); | |
2072 | } | |
2073 | } | |
2074 | } | |
2fa0b342 DHW |
2075 | } |
2076 | } | |
2077 | ||
2078 | ||
2fa0b342 | 2079 | void |
1418c83b | 2080 | DEFUN(lang_set_flags,(ptr, flags), |
7bc4a0d7 | 2081 | int *ptr AND |
1418c83b | 2082 | CONST char *flags) |
2fa0b342 DHW |
2083 | { |
2084 | boolean state = true; | |
7bc4a0d7 | 2085 | *ptr= 0; |
2fa0b342 | 2086 | while (*flags) |
1418c83b SC |
2087 | { |
2088 | if (*flags == '!') { | |
2089 | state = false; | |
2090 | flags++; | |
2091 | } | |
2092 | else state = true; | |
2093 | switch (*flags) { | |
2094 | case 'R': | |
7bc4a0d7 | 2095 | /* ptr->flag_read = state; */ |
1418c83b SC |
2096 | break; |
2097 | case 'W': | |
7bc4a0d7 | 2098 | /* ptr->flag_write = state; */ |
1418c83b SC |
2099 | break; |
2100 | case 'X': | |
7bc4a0d7 | 2101 | /* ptr->flag_executable= state;*/ |
1418c83b SC |
2102 | break; |
2103 | case 'L': | |
b6316534 | 2104 | case 'I': |
7bc4a0d7 | 2105 | /* ptr->flag_loadable= state;*/ |
1418c83b SC |
2106 | break; |
2107 | default: | |
c611e285 | 2108 | einfo("%P%F illegal syntax in flags\n"); |
1418c83b SC |
2109 | break; |
2110 | } | |
2fa0b342 DHW |
2111 | flags++; |
2112 | } | |
2fa0b342 DHW |
2113 | } |
2114 | ||
2115 | ||
2116 | ||
2117 | void | |
1418c83b SC |
2118 | DEFUN(lang_for_each_file,(func), |
2119 | PROTO(void, (*func),(lang_input_statement_type *))) | |
2fa0b342 DHW |
2120 | { |
2121 | lang_input_statement_type *f; | |
2122 | for (f = (lang_input_statement_type *)file_chain.head; | |
2123 | f != (lang_input_statement_type *)NULL; | |
2124 | f = (lang_input_statement_type *)f->next) | |
1418c83b SC |
2125 | { |
2126 | func(f); | |
2127 | } | |
2fa0b342 DHW |
2128 | } |
2129 | ||
2130 | ||
2131 | void | |
1418c83b SC |
2132 | DEFUN(lang_for_each_input_section, (func), |
2133 | PROTO(void ,(*func),(bfd *ab, asection*as))) | |
2fa0b342 DHW |
2134 | { |
2135 | lang_input_statement_type *f; | |
2136 | for (f = (lang_input_statement_type *)file_chain.head; | |
2137 | f != (lang_input_statement_type *)NULL; | |
2138 | f = (lang_input_statement_type *)f->next) | |
2139 | { | |
2140 | asection *s; | |
2141 | for (s = f->the_bfd->sections; | |
2142 | s != (asection *)NULL; | |
2143 | s = s->next) { | |
2144 | func(f->the_bfd, s); | |
2145 | } | |
2146 | } | |
2147 | } | |
2148 | ||
2149 | ||
2150 | ||
2151 | void | |
1418c83b SC |
2152 | DEFUN(ldlang_add_file,(entry), |
2153 | lang_input_statement_type *entry) | |
2fa0b342 | 2154 | { |
1418c83b | 2155 | |
2fa0b342 DHW |
2156 | lang_statement_append(&file_chain, |
2157 | (lang_statement_union_type *)entry, | |
2158 | &entry->next); | |
2159 | } | |
2160 | ||
2161 | ||
2162 | ||
2163 | void | |
1418c83b SC |
2164 | DEFUN(lang_add_output,(name), |
2165 | CONST char *name) | |
2fa0b342 DHW |
2166 | { |
2167 | lang_output_statement_type *new = new_stat(lang_output_statement, | |
2168 | stat_ptr); | |
2169 | new->name = name; | |
2170 | had_output_filename = true; | |
2171 | } | |
2172 | ||
2173 | ||
2174 | static lang_output_section_statement_type *current_section; | |
2175 | ||
2176 | void | |
1418c83b SC |
2177 | DEFUN(lang_enter_output_section_statement, |
2178 | (output_section_statement_name, | |
2179 | address_exp, | |
7bc4a0d7 | 2180 | flags, |
1418c83b SC |
2181 | block_value), |
2182 | char *output_section_statement_name AND | |
2183 | etree_type *address_exp AND | |
7bc4a0d7 | 2184 | int flags AND |
1418c83b | 2185 | bfd_vma block_value) |
2fa0b342 DHW |
2186 | { |
2187 | lang_output_section_statement_type *os; | |
2188 | current_section = | |
2189 | os = | |
2190 | lang_output_section_statement_lookup(output_section_statement_name); | |
2191 | ||
81016051 SC |
2192 | |
2193 | ||
2fa0b342 DHW |
2194 | /* Add this statement to tree */ |
2195 | /* add_statement(lang_output_section_statement_enum, | |
2196 | output_section_statement);*/ | |
2197 | /* Make next things chain into subchain of this */ | |
2198 | ||
2199 | if (os->addr_tree == | |
2200 | (etree_type *)NULL) { | |
2201 | os->addr_tree = | |
2202 | address_exp; | |
2203 | } | |
7bc4a0d7 | 2204 | os->flags = flags; |
2fa0b342 DHW |
2205 | os->block_value = block_value; |
2206 | stat_ptr = & os->children; | |
2207 | ||
2208 | } | |
2209 | ||
2210 | ||
2211 | void | |
1418c83b | 2212 | DEFUN_VOID(lang_final) |
2fa0b342 DHW |
2213 | { |
2214 | if (had_output_filename == false) { | |
e89432c7 SC |
2215 | extern CONST char *output_filename; |
2216 | lang_add_output(output_filename); | |
2fa0b342 | 2217 | } |
2fa0b342 DHW |
2218 | } |
2219 | ||
2220 | ||
2221 | ||
c611e285 SC |
2222 | /* Reset the current counters in the regions */ |
2223 | static void | |
2224 | DEFUN_VOID(reset_memory_regions) | |
2225 | { | |
2226 | lang_memory_region_type *p = lang_memory_region_list; | |
2227 | for (p = lang_memory_region_list; | |
2228 | p != ( lang_memory_region_type *)NULL; | |
2229 | p = p->next) | |
2230 | { | |
2231 | p->current = p->origin; | |
2232 | } | |
2233 | } | |
2fa0b342 DHW |
2234 | |
2235 | ||
1418c83b SC |
2236 | asymbol * |
2237 | DEFUN(create_symbol,(name, flags, section), | |
2238 | CONST char *name AND | |
2239 | flagword flags AND | |
2240 | asection *section) | |
2fa0b342 DHW |
2241 | { |
2242 | extern lang_input_statement_type *script_file; | |
3f8d46e7 | 2243 | asymbol **def_ptr = (asymbol **)ldmalloc((bfd_size_type)(sizeof(asymbol **))); |
2fa0b342 DHW |
2244 | /* Add this definition to script file */ |
2245 | asymbol *def = (asymbol *)bfd_make_empty_symbol(script_file->the_bfd); | |
1418c83b | 2246 | def->name = buystring(name); |
2fa0b342 DHW |
2247 | def->udata = 0; |
2248 | def->flags = flags; | |
2249 | def->section = section; | |
2250 | ||
2251 | *def_ptr = def; | |
2252 | Q_enter_global_ref(def_ptr); | |
2253 | return def; | |
2254 | } | |
2255 | ||
81016051 SC |
2256 | |
2257 | ||
2fa0b342 | 2258 | void |
1418c83b SC |
2259 | DEFUN_VOID(lang_process) |
2260 | { | |
2261 | if (had_script == false) { | |
c611e285 SC |
2262 | parse_line(ldemul_get_script()); |
2263 | } | |
1418c83b SC |
2264 | lang_reasonable_defaults(); |
2265 | current_target = default_target; | |
2266 | ||
2267 | lang_for_each_statement(ldlang_open_output); /* Open the output file */ | |
2268 | /* For each output section statement, create a section in the output | |
2269 | file */ | |
2270 | lang_create_output_section_statements(); | |
2271 | ||
2272 | /* Create a dummy bfd for the script */ | |
2273 | lang_init_script_file(); | |
2274 | ||
2275 | /* Add to the hash table all undefineds on the command line */ | |
2276 | lang_place_undefineds(); | |
2277 | ||
2278 | /* Create a bfd for each input file */ | |
2279 | current_target = default_target; | |
2280 | lang_for_each_statement(open_input_bfds); | |
2281 | ||
a0ad3035 | 2282 | common_section.userdata = (PTR)&common_section_userdata; |
1418c83b | 2283 | |
81016051 | 2284 | |
1418c83b SC |
2285 | /* Run through the contours of the script and attatch input sections |
2286 | to the correct output sections | |
2287 | */ | |
81016051 | 2288 | find_constructors(); |
1418c83b SC |
2289 | map_input_to_output_sections(statement_list.head, (char *)NULL, |
2290 | ( lang_output_section_statement_type *)NULL); | |
2291 | ||
81016051 | 2292 | |
1418c83b SC |
2293 | /* Find any sections not attatched explicitly and handle them */ |
2294 | lang_place_orphans(); | |
2295 | ||
2296 | /* Size up the common data */ | |
2297 | lang_common(); | |
2298 | ||
2299 | ldemul_before_allocation(); | |
2300 | ||
c611e285 | 2301 | |
1418c83b SC |
2302 | /* Size up the sections */ |
2303 | lang_size_sections(statement_list.head, | |
2304 | (lang_output_section_statement_type *)NULL, | |
c611e285 SC |
2305 | &(statement_list.head), 0, (bfd_vma)0, false); |
2306 | ||
2307 | ||
2308 | /* Move the global symbols around */ | |
2309 | lang_relocate_globals(); | |
2310 | ||
2311 | /* Now run around and relax if we can */ | |
2312 | if (command_line.relax) | |
2313 | { | |
2314 | reset_memory_regions(); | |
2315 | ||
2316 | had_relax = true; | |
2317 | while (had_relax) | |
2318 | { | |
2319 | ||
2320 | had_relax = false; | |
2321 | ||
2322 | lang_size_sections(statement_list.head, | |
2323 | (lang_output_section_statement_type *)NULL, | |
2324 | &(statement_list.head), 0, (bfd_vma)0, true); | |
2325 | /* FIXME. Until the code in relax is fixed so that it only reads in | |
2326 | stuff once, we cant iterate since there is no way for the linker to | |
2327 | know what has been patched and what hasn't */ | |
2328 | break; | |
2329 | ||
2330 | } | |
2331 | ||
2332 | ||
2333 | ||
2334 | ||
2335 | } | |
2336 | ||
1418c83b SC |
2337 | |
2338 | /* See if anything special should be done now we know how big | |
2339 | everything is */ | |
2340 | ldemul_after_allocation(); | |
2341 | ||
2342 | /* Do all the assignments, now that we know the final restingplaces | |
2343 | of all the symbols */ | |
2344 | ||
2345 | lang_do_assignments(statement_list.head, | |
2346 | (lang_output_section_statement_type *)NULL, | |
2347 | 0, (bfd_vma)0); | |
2348 | ||
c611e285 | 2349 | |
1418c83b SC |
2350 | /* Make sure that we're not mixing architectures */ |
2351 | ||
2352 | lang_check(); | |
2353 | ||
1418c83b SC |
2354 | /* Final stuffs */ |
2355 | lang_finish(); | |
2fa0b342 DHW |
2356 | } |
2357 | ||
2358 | ||
2359 | /* EXPORTED TO YACC */ | |
1418c83b | 2360 | |
2fa0b342 | 2361 | void |
1418c83b SC |
2362 | DEFUN(lang_add_wild,(section_name, filename), |
2363 | CONST char *CONST section_name AND | |
2364 | CONST char *CONST filename) | |
2365 | { | |
2366 | lang_wild_statement_type *new = new_stat(lang_wild_statement, | |
2367 | stat_ptr); | |
2368 | ||
2369 | if (section_name != (char *)NULL && strcmp(section_name,"COMMON") == 0) | |
2370 | { | |
2371 | placed_commons = true; | |
2372 | } | |
2373 | if (filename != (char *)NULL) { | |
2374 | lang_has_input_file = true; | |
2375 | } | |
2376 | new->section_name = section_name; | |
2377 | new->filename = filename; | |
2378 | lang_list_init(&new->children); | |
2379 | } | |
2380 | void | |
2381 | DEFUN(lang_section_start,(name, address), | |
2382 | CONST char *name AND | |
2383 | etree_type *address) | |
2fa0b342 DHW |
2384 | { |
2385 | lang_address_statement_type *ad =new_stat(lang_address_statement, stat_ptr); | |
2386 | ad->section_name = name; | |
2387 | ad->address = address; | |
2388 | } | |
1418c83b SC |
2389 | |
2390 | void | |
2391 | DEFUN(lang_add_entry,(name), | |
2392 | CONST char *name) | |
2fa0b342 DHW |
2393 | { |
2394 | entry_symbol = name; | |
2395 | } | |
2396 | ||
2397 | void | |
1418c83b SC |
2398 | DEFUN(lang_add_target,(name), |
2399 | CONST char *name) | |
2fa0b342 DHW |
2400 | { |
2401 | lang_target_statement_type *new = new_stat(lang_target_statement, | |
2402 | stat_ptr); | |
2403 | new->target = name; | |
2404 | ||
2405 | } | |
2fa0b342 | 2406 | |
1418c83b SC |
2407 | |
2408 | ||
2fa0b342 DHW |
2409 | |
2410 | void | |
1418c83b SC |
2411 | DEFUN(lang_add_map,(name), |
2412 | CONST char *name) | |
2fa0b342 DHW |
2413 | { |
2414 | while (*name) { | |
2415 | switch (*name) { | |
2416 | case 'F': | |
2417 | map_option_f = true; | |
2418 | break; | |
2419 | } | |
2420 | name++; | |
2421 | } | |
2422 | } | |
2423 | ||
1418c83b SC |
2424 | void |
2425 | DEFUN(lang_add_fill,(exp), | |
2426 | int exp) | |
2fa0b342 DHW |
2427 | { |
2428 | lang_fill_statement_type *new = new_stat(lang_fill_statement, | |
2429 | stat_ptr); | |
2430 | new->fill = exp; | |
2431 | } | |
2432 | ||
1418c83b SC |
2433 | void |
2434 | DEFUN(lang_add_data,(type, exp), | |
2435 | int type AND | |
2436 | union etree_union *exp) | |
2fa0b342 DHW |
2437 | { |
2438 | ||
2439 | lang_data_statement_type *new = new_stat(lang_data_statement, | |
2440 | stat_ptr); | |
2441 | new->exp = exp; | |
2442 | new->type = type; | |
2443 | ||
2444 | } | |
2445 | void | |
1418c83b SC |
2446 | DEFUN(lang_add_assignment,(exp), |
2447 | etree_type *exp) | |
2fa0b342 DHW |
2448 | { |
2449 | lang_assignment_statement_type *new = new_stat(lang_assignment_statement, | |
2450 | stat_ptr); | |
2451 | new->exp = exp; | |
2452 | } | |
2453 | ||
2454 | void | |
1418c83b SC |
2455 | DEFUN(lang_add_attribute,(attribute), |
2456 | enum statement_enum attribute) | |
2fa0b342 DHW |
2457 | { |
2458 | new_statement(attribute, sizeof(lang_statement_union_type),stat_ptr); | |
2459 | } | |
2460 | ||
2461 | ||
2462 | ||
2463 | void | |
1418c83b SC |
2464 | DEFUN(lang_startup,(name), |
2465 | CONST char *name) | |
2fa0b342 DHW |
2466 | { |
2467 | if (startup_file != (char *)NULL) { | |
c611e285 | 2468 | einfo("%P%FMultiple STARTUP files\n"); |
2fa0b342 DHW |
2469 | } |
2470 | first_file->filename = name; | |
2471 | first_file->local_sym_name = name; | |
2472 | ||
2473 | startup_file= name; | |
2474 | } | |
2475 | void | |
1418c83b SC |
2476 | DEFUN(lang_float,(maybe), |
2477 | boolean maybe) | |
2fa0b342 DHW |
2478 | { |
2479 | lang_float_flag = maybe; | |
2480 | } | |
2481 | ||
2482 | void | |
1418c83b SC |
2483 | DEFUN(lang_leave_output_section_statement,(fill, memspec), |
2484 | bfd_vma fill AND | |
2485 | CONST char *memspec) | |
2fa0b342 DHW |
2486 | { |
2487 | current_section->fill = fill; | |
2488 | current_section->region = lang_memory_region_lookup(memspec); | |
2489 | stat_ptr = &statement_list; | |
81016051 SC |
2490 | |
2491 | /* We remember if we are closing a .data section, since we use it to | |
2492 | store constructors in */ | |
2493 | if (strcmp(current_section->name, ".data") ==0) { | |
2494 | end_of_data_section_statement_list = statement_list; | |
2495 | ||
2496 | } | |
2fa0b342 | 2497 | } |
9f32f7c2 SC |
2498 | /* |
2499 | Create an absolute symbol with the given name with the value of the | |
2500 | address of first byte of the section named. | |
2fa0b342 | 2501 | |
9f32f7c2 SC |
2502 | If the symbol already exists, then do nothing. |
2503 | */ | |
8cb5eb31 | 2504 | void |
1418c83b SC |
2505 | DEFUN(lang_abs_symbol_at_beginning_of,(section, name), |
2506 | CONST char *section AND | |
2507 | CONST char *name) | |
8cb5eb31 | 2508 | { |
c660714f | 2509 | if (ldsym_undefined(name)) { |
9f32f7c2 SC |
2510 | asection *s = bfd_get_section_by_name(output_bfd, section); |
2511 | asymbol *def = create_symbol(name, | |
c611e285 SC |
2512 | BSF_GLOBAL | BSF_EXPORT , |
2513 | &bfd_abs_section); | |
2514 | ||
2515 | ||
9f32f7c2 SC |
2516 | if (s != (asection *)NULL) { |
2517 | def->value = s->vma; | |
2518 | } | |
2519 | else { | |
2520 | def->value = 0; | |
2521 | } | |
8cb5eb31 SC |
2522 | } |
2523 | } | |
2524 | ||
9f32f7c2 SC |
2525 | /* |
2526 | Create an absolute symbol with the given name with the value of the | |
2527 | address of the first byte after the end of the section named. | |
2528 | ||
2529 | If the symbol already exists, then do nothing. | |
2530 | */ | |
2fa0b342 | 2531 | void |
1418c83b SC |
2532 | DEFUN(lang_abs_symbol_at_end_of,(section, name), |
2533 | CONST char *section AND | |
2534 | CONST char *name) | |
2fa0b342 | 2535 | { |
c660714f | 2536 | if (ldsym_undefined(name)){ |
9f32f7c2 SC |
2537 | asection *s = bfd_get_section_by_name(output_bfd, section); |
2538 | /* Add a symbol called _end */ | |
2539 | asymbol *def = create_symbol(name, | |
c611e285 SC |
2540 | BSF_GLOBAL | BSF_EXPORT , |
2541 | &bfd_abs_section); | |
2542 | ||
9f32f7c2 | 2543 | if (s != (asection *)NULL) { |
c611e285 | 2544 | def->value = s->vma + s->_raw_size; |
9f32f7c2 SC |
2545 | } |
2546 | else { | |
2547 | def->value = 0; | |
2548 | } | |
2fa0b342 DHW |
2549 | } |
2550 | } | |
2551 | ||
2552 | void | |
1418c83b SC |
2553 | DEFUN(lang_statement_append,(list, element, field), |
2554 | lang_statement_list_type *list AND | |
2555 | lang_statement_union_type *element AND | |
2556 | lang_statement_union_type **field) | |
2fa0b342 DHW |
2557 | { |
2558 | *(list->tail) = element; | |
2559 | list->tail = field; | |
2560 | } | |
2561 | ||
097879bc SC |
2562 | /* Set the output format type */ |
2563 | void | |
2564 | DEFUN(lang_add_output_format,(format), | |
2565 | CONST char *format) | |
2566 | { | |
2567 | output_target = format; | |
2568 | } | |
a37cc0c0 | 2569 |