Commit | Line | Data |
---|---|---|
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; | |
ffc50032 | 67 | |
2fa0b342 | 68 | /* EXPORTS */ |
c611e285 | 69 | boolean relaxing; |
ffc50032 | 70 | lang_output_section_statement_type *abs_output_section; |
d4c02e29 SC |
71 | lang_statement_list_type *stat_ptr = &statement_list; |
72 | lang_input_statement_type *script_file = 0; | |
73 | boolean option_longmap = false; | |
74 | lang_statement_list_type file_chain = {0}; | |
75 | CONST char *entry_symbol = 0; | |
3f8d46e7 | 76 | bfd_size_type largest_section = 0; |
d4c02e29 SC |
77 | boolean lang_has_input_file = false; |
78 | lang_output_section_statement_type *create_object_symbols = 0; | |
79 | boolean had_output_filename = false; | |
80 | boolean lang_float_flag = false; | |
81 | /* IMPORTS */ | |
82 | extern char *default_target; | |
2fa0b342 | 83 | |
d4c02e29 SC |
84 | extern unsigned int undefined_global_sym_count; |
85 | extern char *current_file; | |
2fa0b342 | 86 | extern bfd *output_bfd; |
2fa0b342 DHW |
87 | extern enum bfd_architecture ldfile_output_architecture; |
88 | extern unsigned long ldfile_output_machine; | |
89 | extern char *ldfile_output_machine_name; | |
2fa0b342 | 90 | extern ldsym_type *symbol_head; |
d4c02e29 | 91 | extern unsigned int commons_pending; |
2fa0b342 DHW |
92 | extern args_type command_line; |
93 | extern ld_config_type config; | |
2fa0b342 | 94 | extern boolean had_script; |
2fa0b342 DHW |
95 | extern boolean write_map; |
96 | ||
97 | ||
2fa0b342 DHW |
98 | #ifdef __STDC__ |
99 | #define cat(a,b) a##b | |
100 | #else | |
101 | #define cat(a,b) a/**/b | |
102 | #endif | |
103 | ||
104 | #define new_stat(x,y) (cat(x,_type)*) new_statement(cat(x,_enum), sizeof(cat(x,_type)),y) | |
105 | ||
106 | #define outside_section_address(q) ( (q)->output_offset + (q)->output_section->vma) | |
107 | ||
108 | #define outside_symbol_address(q) ((q)->value + outside_section_address(q->section)) | |
109 | ||
b648e172 | 110 | void EXFUN(lang_add_data,( int type , union etree_union *exp)); |
81016051 | 111 | |
3f8d46e7 JG |
112 | static void |
113 | DEFUN(print_size,(value), | |
114 | size_t value) | |
115 | { | |
6fd50a20 | 116 | fprintf(config.map_file, "%5x", (unsigned)value); |
3f8d46e7 JG |
117 | } |
118 | static void | |
119 | DEFUN(print_alignment,(value), | |
120 | unsigned int value) | |
121 | { | |
6fd50a20 | 122 | fprintf(config.map_file, "2**%1u",value); |
3f8d46e7 JG |
123 | } |
124 | static void | |
125 | DEFUN(print_fill,(value), | |
126 | fill_type value) | |
127 | { | |
6fd50a20 | 128 | fprintf(config.map_file, "%04x",(unsigned)value); |
3f8d46e7 JG |
129 | } |
130 | ||
d4c02e29 | 131 | |
3f8d46e7 JG |
132 | static void |
133 | DEFUN(print_section,(name), | |
134 | CONST char *CONST name) | |
135 | { | |
6fd50a20 | 136 | fprintf(config.map_file, "%*s", -longest_section_name, name); |
3f8d46e7 | 137 | } |
2fa0b342 | 138 | |
1418c83b SC |
139 | /*---------------------------------------------------------------------- |
140 | lang_for_each_statement walks the parse tree and calls the provided | |
141 | function for each node | |
142 | */ | |
143 | ||
144 | static void | |
145 | DEFUN(lang_for_each_statement_worker,(func, s), | |
146 | void (*func)() AND | |
147 | lang_statement_union_type *s) | |
148 | { | |
149 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
150 | { | |
151 | func(s); | |
152 | ||
153 | switch (s->header.type) { | |
81016051 SC |
154 | case lang_constructors_statement_enum: |
155 | lang_for_each_statement_worker(func, constructor_list.head); | |
156 | break; | |
1418c83b SC |
157 | case lang_output_section_statement_enum: |
158 | lang_for_each_statement_worker | |
159 | (func, | |
160 | s->output_section_statement.children.head); | |
161 | break; | |
162 | case lang_wild_statement_enum: | |
163 | lang_for_each_statement_worker | |
164 | (func, | |
165 | s->wild_statement.children.head); | |
166 | break; | |
167 | case lang_data_statement_enum: | |
168 | case lang_object_symbols_statement_enum: | |
169 | case lang_output_statement_enum: | |
170 | case lang_target_statement_enum: | |
171 | case lang_input_section_enum: | |
172 | case lang_input_statement_enum: | |
1418c83b SC |
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 | 238 | { |
dc4726c2 | 239 | |
2fa0b342 DHW |
240 | lang_input_statement_type *p = new_stat(lang_input_statement, |
241 | stat_ptr); | |
242 | lang_has_input_file = true; | |
243 | p->target = target; | |
244 | switch (file_type) { | |
245 | case lang_input_file_is_symbols_only_enum: | |
246 | p->filename = name; | |
247 | p->is_archive =false; | |
248 | p->real = true; | |
249 | p->local_sym_name= name; | |
250 | p->just_syms_flag = true; | |
251 | p->search_dirs_flag = false; | |
252 | break; | |
253 | case lang_input_file_is_fake_enum: | |
254 | p->filename = name; | |
255 | p->is_archive =false; | |
256 | p->real = false; | |
257 | p->local_sym_name= name; | |
258 | p->just_syms_flag = false; | |
259 | p->search_dirs_flag =false; | |
2fa0b342 DHW |
260 | break; |
261 | case lang_input_file_is_l_enum: | |
262 | p->is_archive = true; | |
263 | p->filename = name; | |
264 | p->real = true; | |
265 | p->local_sym_name = concat("-l",name,""); | |
266 | p->just_syms_flag = false; | |
267 | p->search_dirs_flag = true; | |
268 | break; | |
2fa0b342 DHW |
269 | case lang_input_file_is_search_file_enum: |
270 | case lang_input_file_is_marker_enum: | |
271 | p->filename = name; | |
272 | p->is_archive =false; | |
273 | p->real = true; | |
274 | p->local_sym_name= name; | |
275 | p->just_syms_flag = false; | |
276 | p->search_dirs_flag =true; | |
277 | break; | |
2fa0b342 DHW |
278 | case lang_input_file_is_file_enum: |
279 | p->filename = name; | |
280 | p->is_archive =false; | |
281 | p->real = true; | |
282 | p->local_sym_name= name; | |
283 | p->just_syms_flag = false; | |
284 | p->search_dirs_flag =false; | |
285 | break; | |
2fa0b342 DHW |
286 | default: |
287 | FAIL(); | |
288 | } | |
289 | p->asymbols = (asymbol **)NULL; | |
290 | p->superfile = (lang_input_statement_type *)NULL; | |
2fa0b342 DHW |
291 | p->next_real_file = (lang_statement_union_type*)NULL; |
292 | p->next = (lang_statement_union_type*)NULL; | |
293 | p->symbol_count = 0; | |
294 | p->common_output_section = (asection *)NULL; | |
2fa0b342 DHW |
295 | lang_statement_append(&input_file_chain, |
296 | (lang_statement_union_type *)p, | |
297 | &p->next_real_file); | |
298 | return p; | |
299 | } | |
300 | ||
1418c83b SC |
301 | |
302 | ||
2fa0b342 | 303 | lang_input_statement_type * |
1418c83b | 304 | DEFUN(lang_add_input_file,(name, file_type, target), |
1bd1fa2d | 305 | CONST char *name AND |
1418c83b | 306 | lang_input_file_enum_type file_type AND |
1bd1fa2d | 307 | CONST char *target) |
2fa0b342 DHW |
308 | { |
309 | /* Look it up or build a new one */ | |
1418c83b SC |
310 | lang_has_input_file = true; |
311 | #if 0 | |
2fa0b342 DHW |
312 | lang_input_statement_type *p; |
313 | ||
314 | for (p = (lang_input_statement_type *)input_file_chain.head; | |
315 | p != (lang_input_statement_type *)NULL; | |
316 | p = (lang_input_statement_type *)(p->next_real_file)) | |
1418c83b SC |
317 | { |
318 | /* Sometimes we have incomplete entries in here */ | |
319 | if (p->filename != (char *)NULL) { | |
320 | if(strcmp(name,p->filename) == 0) return p; | |
321 | } | |
322 | ||
323 | } | |
324 | #endif | |
2fa0b342 DHW |
325 | return new_afile(name, file_type, target); |
326 | } | |
327 | ||
328 | ||
1418c83b | 329 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 330 | void |
1418c83b | 331 | DEFUN_VOID(lang_init) |
2fa0b342 DHW |
332 | { |
333 | ||
334 | stat_ptr= &statement_list; | |
335 | lang_list_init(stat_ptr); | |
336 | ||
337 | lang_list_init(&input_file_chain); | |
338 | lang_list_init(&lang_output_section_statement); | |
339 | lang_list_init(&file_chain); | |
340 | first_file = lang_add_input_file((char *)NULL, | |
341 | lang_input_file_is_marker_enum, | |
342 | (char *)NULL); | |
9d1fe8a4 SC |
343 | abs_output_section = lang_output_section_statement_lookup(BFD_ABS_SECTION_NAME); |
344 | ||
345 | abs_output_section->bfd_section = &bfd_abs_section; | |
346 | ||
2fa0b342 DHW |
347 | } |
348 | ||
2fa0b342 | 349 | |
1418c83b SC |
350 | /*---------------------------------------------------------------------- |
351 | A region is an area of memory declared with the | |
352 | MEMORY { name:org=exp, len=exp ... } | |
353 | syntax. | |
2fa0b342 | 354 | |
1418c83b | 355 | We maintain a list of all the regions here |
2fa0b342 | 356 | |
1418c83b SC |
357 | If no regions are specified in the script, then the default is used |
358 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
359 | */ |
360 | ||
361 | static lang_memory_region_type *lang_memory_region_list; | |
362 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
363 | ||
364 | lang_memory_region_type * | |
1418c83b SC |
365 | DEFUN(lang_memory_region_lookup,(name), |
366 | CONST char *CONST name) | |
2fa0b342 DHW |
367 | { |
368 | ||
1418c83b SC |
369 | lang_memory_region_type *p = lang_memory_region_list; |
370 | for (p = lang_memory_region_list; | |
371 | p != ( lang_memory_region_type *)NULL; | |
372 | p = p->next) { | |
373 | if (strcmp(p->name, name) == 0) { | |
374 | return p; | |
2fa0b342 | 375 | } |
1418c83b SC |
376 | } |
377 | if (strcmp(name,"*default*")==0) { | |
378 | /* This is the default region, dig out first one on the list */ | |
379 | if (lang_memory_region_list != (lang_memory_region_type*)NULL){ | |
380 | return lang_memory_region_list; | |
2fa0b342 | 381 | } |
1418c83b | 382 | } |
2fa0b342 | 383 | { |
1418c83b | 384 | lang_memory_region_type *new = |
3f8d46e7 | 385 | (lang_memory_region_type *)ldmalloc((bfd_size_type)(sizeof(lang_memory_region_type))); |
1418c83b SC |
386 | new->name = buystring(name); |
387 | new->next = (lang_memory_region_type *)NULL; | |
388 | ||
389 | *lang_memory_region_list_tail = new; | |
390 | lang_memory_region_list_tail = &new->next; | |
391 | new->origin = 0; | |
392 | new->length = ~0; | |
393 | new->current = 0; | |
9d1fe8a4 SC |
394 | new->had_full_message = false; |
395 | ||
1418c83b | 396 | return new; |
2fa0b342 DHW |
397 | } |
398 | } | |
399 | ||
400 | ||
2fa0b342 | 401 | lang_output_section_statement_type * |
1418c83b SC |
402 | DEFUN(lang_output_section_find,(name), |
403 | CONST char * CONST name) | |
2fa0b342 DHW |
404 | { |
405 | lang_statement_union_type *u; | |
406 | lang_output_section_statement_type *lookup; | |
407 | ||
408 | for (u = lang_output_section_statement.head; | |
409 | u != (lang_statement_union_type *)NULL; | |
410 | u = lookup->next) | |
1418c83b SC |
411 | { |
412 | lookup = &u->output_section_statement; | |
413 | if (strcmp(name, lookup->name)==0) { | |
414 | return lookup; | |
415 | } | |
2fa0b342 | 416 | } |
2fa0b342 DHW |
417 | return (lang_output_section_statement_type *)NULL; |
418 | } | |
419 | ||
420 | lang_output_section_statement_type * | |
1418c83b SC |
421 | DEFUN(lang_output_section_statement_lookup,(name), |
422 | CONST char * CONST name) | |
2fa0b342 DHW |
423 | { |
424 | lang_output_section_statement_type *lookup; | |
425 | lookup =lang_output_section_find(name); | |
426 | if (lookup == (lang_output_section_statement_type *)NULL) { | |
427 | ||
428 | lookup =(lang_output_section_statement_type *) | |
429 | new_stat(lang_output_section_statement, stat_ptr); | |
430 | lookup->region = (lang_memory_region_type *)NULL; | |
431 | lookup->fill = 0; | |
432 | lookup->block_value = 1; | |
433 | lookup->name = name; | |
434 | ||
435 | lookup->next = (lang_statement_union_type*)NULL; | |
436 | lookup->bfd_section = (asection *)NULL; | |
437 | lookup->processed = false; | |
438 | lookup->addr_tree = (etree_type *)NULL; | |
439 | lang_list_init(&lookup->children); | |
440 | ||
441 | lang_statement_append(&lang_output_section_statement, | |
442 | (lang_statement_union_type *)lookup, | |
443 | &lookup->next); | |
444 | } | |
445 | return lookup; | |
446 | } | |
447 | ||
448 | ||
449 | ||
450 | ||
9d1fe8a4 | 451 | /*ARGSUSED*/ |
2fa0b342 | 452 | static void |
6fd50a20 | 453 | DEFUN(print_flags, ( ignore_flags), |
7bc4a0d7 | 454 | int *ignore_flags) |
2fa0b342 | 455 | { |
6fd50a20 | 456 | fprintf(config.map_file, "("); |
2fa0b342 DHW |
457 | #if 0 |
458 | if (flags->flag_read) fprintf(outfile,"R"); | |
459 | if (flags->flag_write) fprintf(outfile,"W"); | |
460 | if (flags->flag_executable) fprintf(outfile,"X"); | |
461 | if (flags->flag_loadable) fprintf(outfile,"L"); | |
462 | #endif | |
6fd50a20 | 463 | fprintf(config.map_file, ")"); |
2fa0b342 DHW |
464 | } |
465 | ||
466 | void | |
6fd50a20 | 467 | DEFUN_VOID(lang_map) |
2fa0b342 DHW |
468 | { |
469 | lang_memory_region_type *m; | |
6fd50a20 | 470 | fprintf(config.map_file,"**MEMORY CONFIGURATION**\n\n"); |
48491e2e | 471 | #ifdef HOST_64_BIT |
6fd50a20 | 472 | fprintf(config.map_file,"name\t\torigin\t\tlength\t\tattributes\n"); |
48491e2e | 473 | #else |
6fd50a20 | 474 | fprintf(config.map_file,"name\t\torigin length\t\tattributes\n"); |
48491e2e | 475 | #endif |
2fa0b342 DHW |
476 | for (m = lang_memory_region_list; |
477 | m != (lang_memory_region_type *)NULL; | |
478 | m = m->next) | |
479 | { | |
6fd50a20 | 480 | fprintf(config.map_file,"%-16s", m->name); |
3f8d46e7 JG |
481 | print_address(m->origin); |
482 | print_space(); | |
483 | print_address(m->length); | |
484 | print_space(); | |
6fd50a20 SC |
485 | print_flags( &m->flags); |
486 | fprintf(config.map_file,"\n"); | |
2fa0b342 | 487 | } |
6fd50a20 SC |
488 | fprintf(config.map_file,"\n\n**LINK EDITOR MEMORY MAP**\n\n"); |
489 | fprintf(config.map_file,"output input virtual\n"); | |
490 | fprintf(config.map_file,"section section address tsize\n\n"); | |
2fa0b342 DHW |
491 | |
492 | print_statements(); | |
493 | ||
494 | } | |
495 | ||
496 | /* | |
497 | * | |
498 | */ | |
1418c83b SC |
499 | static void |
500 | DEFUN(init_os,(s), | |
501 | lang_output_section_statement_type *s) | |
2fa0b342 | 502 | { |
9d1fe8a4 SC |
503 | /* asection *section = bfd_get_section_by_name(output_bfd, s->name);*/ |
504 | section_userdata_type *new = | |
505 | (section_userdata_type *) | |
506 | ldmalloc((bfd_size_type)(sizeof(section_userdata_type))); | |
2fa0b342 | 507 | |
aeedc30e PB |
508 | s->bfd_section = bfd_get_section_by_name(output_bfd, s->name); |
509 | if (s->bfd_section == (asection *)NULL) | |
9d1fe8a4 | 510 | s->bfd_section = bfd_make_section(output_bfd, s->name); |
357a1f38 | 511 | if (s->bfd_section == (asection *)NULL) { |
9d1fe8a4 SC |
512 | einfo("%P%F output format %s cannot represent section called %s\n", |
513 | output_bfd->xvec->name, s->name); | |
514 | } | |
2fa0b342 | 515 | s->bfd_section->output_section = s->bfd_section; |
9d1fe8a4 | 516 | /* s->bfd_section->flags = s->flags;*/ |
7bc4a0d7 | 517 | |
2fa0b342 DHW |
518 | /* We initialize an output sections output offset to minus its own */ |
519 | /* vma to allow us to output a section through itself */ | |
520 | s->bfd_section->output_offset = 0; | |
a0ad3035 | 521 | get_userdata( s->bfd_section) = (PTR)new; |
c611e285 | 522 | |
2fa0b342 DHW |
523 | } |
524 | ||
1418c83b SC |
525 | /*********************************************************************** |
526 | The wild routines. | |
527 | ||
528 | These expand statements like *(.text) and foo.o to a list of | |
529 | explicit actions, like foo.o(.text), bar.o(.text) and | |
530 | foo.o(.text,.data) . | |
531 | ||
532 | The toplevel routine, wild, takes a statement, section, file and | |
533 | target. If either the section or file is null it is taken to be the | |
534 | wildcard. Seperate lang_input_section statements are created for | |
535 | each part of the expanstion, and placed after the statement provided. | |
536 | ||
537 | */ | |
538 | ||
2fa0b342 | 539 | static void |
1418c83b SC |
540 | DEFUN(wild_doit,(ptr, section, output, file), |
541 | lang_statement_list_type *ptr AND | |
542 | asection *section AND | |
543 | lang_output_section_statement_type *output AND | |
544 | lang_input_statement_type *file) | |
2fa0b342 DHW |
545 | { |
546 | if(output->bfd_section == (asection *)NULL) | |
547 | { | |
548 | init_os(output); | |
549 | } | |
550 | ||
551 | if (section != (asection *)NULL | |
552 | && section->output_section == (asection *)NULL) { | |
553 | /* Add a section reference to the list */ | |
554 | lang_input_section_type *new = new_stat(lang_input_section, ptr); | |
555 | ||
556 | new->section = section; | |
557 | new->ifile = file; | |
558 | section->output_section = output->bfd_section; | |
559 | section->output_section->flags |= section->flags; | |
560 | if (section->alignment_power > output->bfd_section->alignment_power) { | |
561 | output->bfd_section->alignment_power = section->alignment_power; | |
562 | } | |
2fa0b342 DHW |
563 | } |
564 | } | |
565 | ||
566 | static asection * | |
1418c83b SC |
567 | DEFUN(our_bfd_get_section_by_name,(abfd, section), |
568 | bfd *abfd AND | |
569 | CONST char *section) | |
2fa0b342 DHW |
570 | { |
571 | return bfd_get_section_by_name(abfd, section); | |
2fa0b342 | 572 | } |
1418c83b | 573 | |
2fa0b342 | 574 | static void |
1418c83b SC |
575 | DEFUN(wild_section,(ptr, section, file , output), |
576 | lang_wild_statement_type *ptr AND | |
577 | CONST char *section AND | |
578 | lang_input_statement_type *file AND | |
579 | lang_output_section_statement_type *output) | |
2fa0b342 DHW |
580 | { |
581 | asection *s; | |
1418c83b SC |
582 | if (file->just_syms_flag == false) { |
583 | if (section == (char *)NULL) { | |
584 | /* Do the creation to all sections in the file */ | |
585 | for (s = file->the_bfd->sections; s != (asection *)NULL; s=s->next) { | |
586 | wild_doit(&ptr->children, s, output, file); | |
587 | } | |
588 | } | |
589 | else { | |
590 | /* Do the creation to the named section only */ | |
591 | wild_doit(&ptr->children, | |
592 | our_bfd_get_section_by_name(file->the_bfd, section), | |
593 | output, file); | |
2fa0b342 DHW |
594 | } |
595 | } | |
2fa0b342 DHW |
596 | } |
597 | ||
598 | ||
1418c83b SC |
599 | /* passed a file name (which must have been seen already and added to |
600 | the statement tree. We will see if it has been opened already and | |
601 | had its symbols read. If not then we'll read it. | |
2fa0b342 | 602 | |
1418c83b SC |
603 | Archives are pecuilar here. We may open them once, but if they do |
604 | not define anything we need at the time, they won't have all their | |
605 | symbols read. If we need them later, we'll have to redo it. | |
606 | */ | |
2fa0b342 | 607 | static |
1418c83b SC |
608 | lang_input_statement_type * |
609 | DEFUN(lookup_name,(name), | |
610 | CONST char * CONST name) | |
2fa0b342 DHW |
611 | { |
612 | lang_input_statement_type *search; | |
613 | for(search = (lang_input_statement_type *)input_file_chain.head; | |
614 | search != (lang_input_statement_type *)NULL; | |
615 | search = (lang_input_statement_type *)search->next_real_file) | |
1418c83b SC |
616 | { |
617 | if (search->filename == (char *)NULL && name == (char *)NULL) { | |
2fa0b342 DHW |
618 | return search; |
619 | } | |
1418c83b SC |
620 | if (search->filename != (char *)NULL && name != (char *)NULL) { |
621 | if (strcmp(search->filename, name) == 0) { | |
622 | ldmain_open_file_read_symbol(search); | |
623 | return search; | |
624 | } | |
625 | } | |
2fa0b342 | 626 | } |
2fa0b342 | 627 | |
1418c83b SC |
628 | /* There isn't an afile entry for this file yet, this must be |
629 | because the name has only appeared inside a load script and not | |
630 | on the command line */ | |
631 | search = new_afile(name, lang_input_file_is_file_enum, default_target); | |
632 | ldmain_open_file_read_symbol(search); | |
2fa0b342 | 633 | return search; |
1418c83b SC |
634 | |
635 | ||
2fa0b342 DHW |
636 | } |
637 | ||
638 | static void | |
1418c83b SC |
639 | DEFUN(wild,(s, section, file, target, output), |
640 | lang_wild_statement_type *s AND | |
641 | CONST char *CONST section AND | |
642 | CONST char *CONST file AND | |
643 | CONST char *CONST target AND | |
644 | lang_output_section_statement_type *output) | |
2fa0b342 DHW |
645 | { |
646 | lang_input_statement_type *f; | |
647 | if (file == (char *)NULL) { | |
648 | /* Perform the iteration over all files in the list */ | |
649 | for (f = (lang_input_statement_type *)file_chain.head; | |
650 | f != (lang_input_statement_type *)NULL; | |
651 | f = (lang_input_statement_type *)f->next) { | |
652 | wild_section(s, section, f, output); | |
653 | } | |
654 | } | |
655 | else { | |
656 | /* Perform the iteration over a single file */ | |
1418c83b | 657 | wild_section( s, section, lookup_name(file), output); |
2fa0b342 | 658 | } |
b0f36869 SC |
659 | if (section != (char *)NULL |
660 | && strcmp(section,"COMMON") == 0 | |
1418c83b SC |
661 | && default_common_section == (lang_output_section_statement_type*)NULL) |
662 | { | |
663 | /* Remember the section that common is going to incase we later | |
664 | get something which doesn't know where to put it */ | |
665 | default_common_section = output; | |
666 | } | |
2fa0b342 DHW |
667 | } |
668 | ||
669 | /* | |
670 | read in all the files | |
671 | */ | |
672 | static bfd * | |
097879bc SC |
673 | DEFUN(open_output,(name), |
674 | CONST char *CONST name) | |
2fa0b342 | 675 | { |
1418c83b | 676 | extern CONST char *output_filename; |
097879bc SC |
677 | bfd *output; |
678 | if (output_target == (char *)NULL) { | |
679 | if (current_target != (char *)NULL) | |
680 | output_target = current_target; | |
681 | else | |
682 | output_target = default_target; | |
683 | } | |
684 | output = bfd_openw(name, output_target); | |
2fa0b342 | 685 | output_filename = name; |
097879bc | 686 | |
2fa0b342 | 687 | if (output == (bfd *)NULL) |
1418c83b SC |
688 | { |
689 | if (bfd_error == invalid_target) { | |
c611e285 | 690 | einfo("%P%F target %s not found\n", output_target); |
1418c83b | 691 | } |
c611e285 | 692 | einfo("%P%F problem opening output file %s, %E", name); |
2fa0b342 | 693 | } |
2fa0b342 | 694 | |
c611e285 | 695 | /* output->flags |= D_PAGED;*/ |
2fa0b342 DHW |
696 | bfd_set_format(output, bfd_object); |
697 | return output; | |
698 | } | |
1418c83b SC |
699 | |
700 | ||
097879bc | 701 | |
1418c83b | 702 | |
2fa0b342 | 703 | static void |
1418c83b SC |
704 | DEFUN(ldlang_open_output,(statement), |
705 | lang_statement_union_type *statement) | |
2fa0b342 | 706 | { |
1418c83b SC |
707 | switch (statement->header.type) |
708 | { | |
709 | case lang_output_statement_enum: | |
097879bc | 710 | output_bfd = open_output(statement->output_statement.name); |
2fa0b342 | 711 | ldemul_set_output_arch(); |
aeedc30e | 712 | if (config.magic_demand_paged && !config.relocateable_output) |
c611e285 | 713 | output_bfd->flags |= D_PAGED; |
aeedc30e PB |
714 | else |
715 | output_bfd->flags &= ~D_PAGED; | |
716 | if (config.text_read_only) | |
717 | output_bfd->flags |= WP_TEXT; | |
718 | else | |
719 | output_bfd->flags &= ~WP_TEXT; | |
2fa0b342 | 720 | break; |
1418c83b | 721 | |
2fa0b342 | 722 | case lang_target_statement_enum: |
1418c83b | 723 | current_target = statement->target_statement.target; |
2fa0b342 | 724 | break; |
1418c83b | 725 | default: |
2fa0b342 | 726 | break; |
1418c83b SC |
727 | } |
728 | } | |
2fa0b342 | 729 | |
1418c83b SC |
730 | static void |
731 | DEFUN(open_input_bfds,(statement), | |
732 | lang_statement_union_type *statement) | |
733 | { | |
734 | switch (statement->header.type) | |
735 | { | |
736 | case lang_target_statement_enum: | |
737 | current_target = statement->target_statement.target; | |
2fa0b342 | 738 | break; |
1418c83b SC |
739 | case lang_wild_statement_enum: |
740 | /* Maybe we should load the file's symbols */ | |
741 | if (statement->wild_statement.filename) | |
742 | { | |
743 | (void) lookup_name(statement->wild_statement.filename); | |
744 | } | |
2fa0b342 | 745 | break; |
1418c83b SC |
746 | case lang_input_statement_enum: |
747 | if (statement->input_statement.real == true) | |
748 | { | |
749 | statement->input_statement.target = current_target; | |
750 | lookup_name(statement->input_statement.filename); | |
751 | } | |
2fa0b342 | 752 | break; |
1418c83b | 753 | default: |
2fa0b342 DHW |
754 | break; |
755 | } | |
2fa0b342 | 756 | } |
2fa0b342 DHW |
757 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
758 | ||
759 | static void | |
760 | lang_reasonable_defaults() | |
761 | { | |
ffc50032 | 762 | |
ffc50032 SC |
763 | |
764 | ||
1418c83b | 765 | #if 0 |
8cb5eb31 SC |
766 | lang_output_section_statement_lookup(".text"); |
767 | lang_output_section_statement_lookup(".data"); | |
768 | ||
2fa0b342 DHW |
769 | default_common_section = |
770 | lang_output_section_statement_lookup(".bss"); | |
8cb5eb31 | 771 | |
1418c83b | 772 | |
2fa0b342 DHW |
773 | if (placed_commons == false) { |
774 | lang_wild_statement_type *new = | |
775 | new_stat(lang_wild_statement, | |
776 | &default_common_section->children); | |
777 | new->section_name = "COMMON"; | |
778 | new->filename = (char *)NULL; | |
779 | lang_list_init(&new->children); | |
780 | } | |
1418c83b | 781 | #endif |
8cb5eb31 | 782 | |
2fa0b342 DHW |
783 | } |
784 | ||
1418c83b SC |
785 | /* |
786 | Add the supplied name to the symbol table as an undefined reference. | |
787 | Remove items from the chain as we open input bfds | |
788 | */ | |
f177a611 JG |
789 | typedef struct ldlang_undef_chain_list { |
790 | struct ldlang_undef_chain_list *next; | |
1418c83b SC |
791 | char *name; |
792 | } ldlang_undef_chain_list_type; | |
793 | ||
794 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
795 | ||
796 | void | |
797 | DEFUN(ldlang_add_undef,(name), | |
798 | CONST char *CONST name) | |
2fa0b342 | 799 | { |
1418c83b SC |
800 | ldlang_undef_chain_list_type *new = |
801 | (ldlang_undef_chain_list_type | |
3f8d46e7 | 802 | *)ldmalloc((bfd_size_type)(sizeof(ldlang_undef_chain_list_type))); |
1418c83b SC |
803 | |
804 | new->next = ldlang_undef_chain_list_head; | |
805 | ldlang_undef_chain_list_head = new; | |
806 | ||
807 | new->name = buystring(name); | |
808 | } | |
809 | /* Run through the list of undefineds created above and place them | |
810 | into the linker hash table as undefined symbols belonging to the | |
811 | script file. | |
812 | */ | |
813 | static void | |
814 | DEFUN_VOID(lang_place_undefineds) | |
815 | { | |
816 | ldlang_undef_chain_list_type *ptr = ldlang_undef_chain_list_head; | |
817 | while (ptr != (ldlang_undef_chain_list_type*)NULL) { | |
1418c83b | 818 | asymbol *def; |
3f8d46e7 | 819 | asymbol **def_ptr = (asymbol **)ldmalloc((bfd_size_type)(sizeof(asymbol **))); |
1418c83b SC |
820 | def = (asymbol *)bfd_make_empty_symbol(script_file->the_bfd); |
821 | *def_ptr= def; | |
822 | def->name = ptr->name; | |
c611e285 | 823 | def->section = &bfd_und_section; |
1418c83b SC |
824 | Q_enter_global_ref(def_ptr); |
825 | ptr = ptr->next; | |
2fa0b342 | 826 | } |
1418c83b | 827 | } |
2fa0b342 | 828 | |
1418c83b SC |
829 | |
830 | ||
831 | /* Copy important data from out internal form to the bfd way. Also | |
832 | create a section for the dummy file | |
833 | */ | |
834 | ||
835 | static void | |
836 | DEFUN_VOID(lang_create_output_section_statements) | |
837 | { | |
838 | lang_statement_union_type*os; | |
839 | for (os = lang_output_section_statement.head; | |
840 | os != (lang_statement_union_type*)NULL; | |
841 | os = os->output_section_statement.next) { | |
842 | lang_output_section_statement_type *s = | |
843 | &os->output_section_statement; | |
844 | init_os(s); | |
845 | } | |
846 | ||
847 | } | |
848 | ||
849 | static void | |
850 | DEFUN_VOID(lang_init_script_file) | |
851 | { | |
852 | script_file = lang_add_input_file("script file", | |
853 | lang_input_file_is_fake_enum, | |
854 | (char *)NULL); | |
855 | script_file->the_bfd = bfd_create("script file", output_bfd); | |
856 | script_file->symbol_count = 0; | |
857 | script_file->the_bfd->sections = output_bfd->sections; | |
9d1fe8a4 SC |
858 | abs_output_section = lang_output_section_statement_lookup(BFD_ABS_SECTION_NAME); |
859 | ||
860 | abs_output_section->bfd_section = &bfd_abs_section; | |
861 | ||
2fa0b342 DHW |
862 | } |
863 | ||
864 | ||
1418c83b SC |
865 | |
866 | ||
2fa0b342 DHW |
867 | /* Open input files and attatch to output sections */ |
868 | static void | |
1418c83b SC |
869 | DEFUN(map_input_to_output_sections,(s, target, output_section_statement), |
870 | lang_statement_union_type *s AND | |
871 | CONST char *target AND | |
872 | lang_output_section_statement_type *output_section_statement) | |
2fa0b342 DHW |
873 | { |
874 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
875 | { | |
876 | switch (s->header.type) { | |
81016051 SC |
877 | |
878 | ||
2fa0b342 DHW |
879 | case lang_wild_statement_enum: |
880 | wild(&s->wild_statement, s->wild_statement.section_name, | |
881 | s->wild_statement.filename, target, | |
882 | output_section_statement); | |
883 | ||
884 | break; | |
81016051 SC |
885 | case lang_constructors_statement_enum: |
886 | map_input_to_output_sections(constructor_list.head, | |
887 | target, | |
888 | output_section_statement); | |
889 | break; | |
2fa0b342 | 890 | case lang_output_section_statement_enum: |
1418c83b | 891 | map_input_to_output_sections(s->output_section_statement.children.head, |
2fa0b342 DHW |
892 | target, |
893 | &s->output_section_statement); | |
894 | break; | |
895 | case lang_output_statement_enum: | |
896 | break; | |
897 | case lang_target_statement_enum: | |
898 | target = s->target_statement.target; | |
899 | break; | |
2fa0b342 DHW |
900 | case lang_fill_statement_enum: |
901 | case lang_input_section_enum: | |
902 | case lang_object_symbols_statement_enum: | |
903 | case lang_data_statement_enum: | |
1418c83b SC |
904 | case lang_assignment_statement_enum: |
905 | case lang_padding_statement_enum: | |
2fa0b342 DHW |
906 | break; |
907 | case lang_afile_asection_pair_statement_enum: | |
908 | FAIL(); | |
909 | break; | |
2fa0b342 DHW |
910 | case lang_address_statement_enum: |
911 | /* Mark the specified section with the supplied address */ | |
912 | { | |
913 | lang_output_section_statement_type *os = | |
914 | lang_output_section_statement_lookup | |
915 | (s->address_statement.section_name); | |
916 | os->addr_tree = s->address_statement.address; | |
48491e2e | 917 | if (os->bfd_section == (asection *)NULL) { |
c611e285 SC |
918 | einfo("%P%F can't set the address of undefined section %s\n", |
919 | s->address_statement.section_name); | |
48491e2e | 920 | } |
2fa0b342 DHW |
921 | } |
922 | break; | |
923 | case lang_input_statement_enum: | |
924 | /* A standard input statement, has no wildcards */ | |
1418c83b | 925 | /* ldmain_open_file_read_symbol(&s->input_statement);*/ |
2fa0b342 DHW |
926 | break; |
927 | } | |
928 | } | |
929 | } | |
930 | ||
931 | ||
932 | ||
933 | ||
934 | ||
935 | static void | |
1418c83b SC |
936 | DEFUN(print_output_section_statement,(output_section_statement), |
937 | lang_output_section_statement_type *output_section_statement) | |
2fa0b342 DHW |
938 | { |
939 | asection *section = output_section_statement->bfd_section; | |
940 | print_nl(); | |
941 | print_section(output_section_statement->name); | |
942 | ||
943 | if (section) { | |
944 | print_dot = section->vma; | |
945 | print_space(); | |
946 | print_section(""); | |
947 | print_space(); | |
948 | print_address(section->vma); | |
949 | print_space(); | |
c611e285 | 950 | print_size(bfd_get_section_size_before_reloc(section)); |
2fa0b342 DHW |
951 | print_space(); |
952 | print_alignment(section->alignment_power); | |
953 | print_space(); | |
954 | #if 0 | |
6fd50a20 | 955 | fprintf(config.map_file, "%s flags", output_section_statement->region->name); |
2fa0b342 DHW |
956 | print_flags(stdout, &output_section_statement->flags); |
957 | #endif | |
7bc4a0d7 | 958 | if (section->flags & SEC_LOAD) |
6fd50a20 | 959 | fprintf(config.map_file, "load "); |
7bc4a0d7 | 960 | if (section->flags & SEC_ALLOC) |
6fd50a20 | 961 | fprintf(config.map_file, "alloc "); |
7bc4a0d7 | 962 | if (section->flags & SEC_RELOC) |
6fd50a20 | 963 | fprintf(config.map_file, "reloc "); |
7bc4a0d7 | 964 | if (section->flags & SEC_HAS_CONTENTS) |
6fd50a20 | 965 | fprintf(config.map_file, "contents "); |
2fa0b342 DHW |
966 | |
967 | } | |
968 | else { | |
6fd50a20 | 969 | fprintf(config.map_file, "No attached output section"); |
2fa0b342 DHW |
970 | } |
971 | print_nl(); | |
972 | print_statement(output_section_statement->children.head, | |
973 | output_section_statement); | |
974 | ||
975 | } | |
976 | ||
977 | static void | |
1418c83b SC |
978 | DEFUN(print_assignment,(assignment, output_section), |
979 | lang_assignment_statement_type *assignment AND | |
980 | lang_output_section_statement_type *output_section) | |
2fa0b342 DHW |
981 | { |
982 | etree_value_type result; | |
983 | print_section(""); | |
984 | print_space(); | |
985 | print_section(""); | |
986 | print_space(); | |
987 | print_address(print_dot); | |
988 | print_space(); | |
989 | result = exp_fold_tree(assignment->exp->assign.src, | |
990 | output_section, | |
991 | lang_final_phase_enum, | |
992 | print_dot, | |
993 | &print_dot); | |
994 | ||
995 | if (result.valid) { | |
996 | print_address(result.value); | |
997 | } | |
998 | else | |
1418c83b | 999 | { |
6fd50a20 | 1000 | fprintf(config.map_file, "*undefined*"); |
1418c83b | 1001 | } |
2fa0b342 | 1002 | print_space(); |
6fd50a20 | 1003 | exp_print_tree(assignment->exp); |
dcde00c4 | 1004 | |
6fd50a20 | 1005 | fprintf(config.map_file, "\n"); |
2fa0b342 DHW |
1006 | } |
1007 | ||
1008 | static void | |
1418c83b SC |
1009 | DEFUN(print_input_statement,(statm), |
1010 | lang_input_statement_type *statm) | |
2fa0b342 | 1011 | { |
070aa819 | 1012 | if (statm->filename != (char *)NULL) { |
6fd50a20 | 1013 | fprintf(config.map_file, "LOAD %s\n",statm->filename); |
070aa819 | 1014 | } |
2fa0b342 DHW |
1015 | } |
1016 | ||
1418c83b SC |
1017 | static void |
1018 | DEFUN(print_symbol,(q), | |
1019 | asymbol *q) | |
2fa0b342 DHW |
1020 | { |
1021 | print_section(""); | |
6fd50a20 | 1022 | fprintf(config.map_file, " "); |
2fa0b342 | 1023 | print_section(""); |
6fd50a20 | 1024 | fprintf(config.map_file, " "); |
2fa0b342 | 1025 | print_address(outside_symbol_address(q)); |
6fd50a20 | 1026 | fprintf(config.map_file, " %s", q->name ? q->name : " "); |
2fa0b342 DHW |
1027 | print_nl(); |
1028 | } | |
1418c83b | 1029 | |
2fa0b342 | 1030 | static void |
1418c83b SC |
1031 | DEFUN(print_input_section,(in), |
1032 | lang_input_section_type *in) | |
2fa0b342 DHW |
1033 | { |
1034 | asection *i = in->section; | |
aa34a7c3 | 1035 | int size = i->reloc_done ? |
c611e285 SC |
1036 | bfd_get_section_size_after_reloc(i) : |
1037 | bfd_get_section_size_before_reloc(i); | |
1038 | ||
2fa0b342 | 1039 | |
c611e285 | 1040 | if(size != 0) { |
2fa0b342 | 1041 | print_section(""); |
6fd50a20 | 1042 | fprintf(config.map_file, " "); |
2fa0b342 | 1043 | print_section(i->name); |
6fd50a20 | 1044 | fprintf(config.map_file, " "); |
2fa0b342 DHW |
1045 | if (i->output_section) { |
1046 | print_address(i->output_section->vma + i->output_offset); | |
6fd50a20 | 1047 | fprintf(config.map_file, " "); |
c611e285 | 1048 | print_size(size); |
6fd50a20 | 1049 | fprintf(config.map_file, " "); |
2fa0b342 | 1050 | print_alignment(i->alignment_power); |
6fd50a20 | 1051 | fprintf(config.map_file, " "); |
2fa0b342 | 1052 | if (in->ifile) { |
1418c83b | 1053 | |
2fa0b342 | 1054 | bfd *abfd = in->ifile->the_bfd; |
1418c83b | 1055 | if (in->ifile->just_syms_flag == true) { |
6fd50a20 | 1056 | fprintf(config.map_file, "symbols only "); |
1418c83b SC |
1057 | } |
1058 | ||
6fd50a20 | 1059 | fprintf(config.map_file, " %s ",abfd->xvec->name); |
2fa0b342 | 1060 | if(abfd->my_archive != (bfd *)NULL) { |
6fd50a20 | 1061 | fprintf(config.map_file, "[%s]%s", abfd->my_archive->filename, |
2fa0b342 DHW |
1062 | abfd->filename); |
1063 | } | |
1064 | else { | |
6fd50a20 | 1065 | fprintf(config.map_file, "%s", abfd->filename); |
2fa0b342 | 1066 | } |
6fd50a20 | 1067 | fprintf(config.map_file, "(overhead %d bytes)", (int)bfd_alloc_size(abfd)); |
2fa0b342 DHW |
1068 | print_nl(); |
1069 | ||
1070 | /* Find all the symbols in this file defined in this section */ | |
1418c83b SC |
1071 | { |
1072 | asymbol **p; | |
1073 | for (p = in->ifile->asymbols; *p; p++) { | |
1074 | asymbol *q = *p; | |
2fa0b342 | 1075 | |
1418c83b SC |
1076 | if (bfd_get_section(q) == i && q->flags & BSF_GLOBAL) { |
1077 | print_symbol(q); | |
1078 | } | |
2fa0b342 DHW |
1079 | } |
1080 | } | |
2fa0b342 DHW |
1081 | } |
1082 | else { | |
1083 | print_nl(); | |
1084 | } | |
1085 | ||
1086 | ||
c611e285 | 1087 | print_dot = outside_section_address(i) + size; |
2fa0b342 DHW |
1088 | } |
1089 | else { | |
6fd50a20 | 1090 | fprintf(config.map_file, "No output section allocated\n"); |
2fa0b342 DHW |
1091 | } |
1092 | } | |
1093 | } | |
2fa0b342 | 1094 | |
2fa0b342 | 1095 | static void |
1418c83b SC |
1096 | DEFUN(print_fill_statement,(fill), |
1097 | lang_fill_statement_type *fill) | |
2fa0b342 | 1098 | { |
6fd50a20 | 1099 | fprintf(config.map_file, "FILL mask "); |
2fa0b342 DHW |
1100 | print_fill( fill->fill); |
1101 | } | |
1102 | ||
1103 | static void | |
1418c83b SC |
1104 | DEFUN(print_data_statement,(data), |
1105 | lang_data_statement_type *data) | |
2fa0b342 DHW |
1106 | { |
1107 | /* bfd_vma value; */ | |
1108 | print_section(""); | |
1109 | print_space(); | |
1110 | print_section(""); | |
1111 | print_space(); | |
65c552e3 | 1112 | /* ASSERT(print_dot == data->output_vma);*/ |
2fa0b342 | 1113 | |
aa34a7c3 | 1114 | print_address(data->output_vma + data->output_section->vma); |
2fa0b342 DHW |
1115 | print_space(); |
1116 | print_address(data->value); | |
1117 | print_space(); | |
1118 | switch (data->type) { | |
1119 | case BYTE : | |
6fd50a20 | 1120 | fprintf(config.map_file, "BYTE "); |
2fa0b342 DHW |
1121 | print_dot += BYTE_SIZE; |
1122 | break; | |
1123 | case SHORT: | |
6fd50a20 | 1124 | fprintf(config.map_file, "SHORT "); |
2fa0b342 DHW |
1125 | print_dot += SHORT_SIZE; |
1126 | break; | |
1127 | case LONG: | |
6fd50a20 | 1128 | fprintf(config.map_file, "LONG "); |
2fa0b342 DHW |
1129 | print_dot += LONG_SIZE; |
1130 | break; | |
1131 | } | |
1132 | ||
6fd50a20 | 1133 | exp_print_tree(data->exp); |
2fa0b342 | 1134 | |
6fd50a20 | 1135 | fprintf(config.map_file, "\n"); |
2fa0b342 DHW |
1136 | } |
1137 | ||
1138 | ||
1139 | static void | |
1418c83b SC |
1140 | DEFUN(print_padding_statement,(s), |
1141 | lang_padding_statement_type *s) | |
2fa0b342 DHW |
1142 | { |
1143 | print_section(""); | |
1144 | print_space(); | |
1145 | print_section("*fill*"); | |
1146 | print_space(); | |
1147 | print_address(s->output_offset + s->output_section->vma); | |
1148 | print_space(); | |
1149 | print_size(s->size); | |
1150 | print_space(); | |
1151 | print_fill(s->fill); | |
1152 | print_nl(); | |
ffc50032 | 1153 | |
aa34a7c3 | 1154 | print_dot = s->output_offset + s->output_section->vma + s->size; |
ffc50032 | 1155 | |
2fa0b342 DHW |
1156 | } |
1157 | ||
1418c83b SC |
1158 | static void |
1159 | DEFUN(print_wild_statement,(w,os), | |
1160 | lang_wild_statement_type *w AND | |
1161 | lang_output_section_statement_type *os) | |
2fa0b342 | 1162 | { |
6fd50a20 | 1163 | fprintf(config.map_file, " from "); |
2fa0b342 | 1164 | if (w->filename != (char *)NULL) { |
6fd50a20 | 1165 | fprintf(config.map_file, "%s",w->filename); |
2fa0b342 DHW |
1166 | } |
1167 | else { | |
6fd50a20 | 1168 | fprintf(config.map_file, "*"); |
2fa0b342 DHW |
1169 | } |
1170 | if (w->section_name != (char *)NULL) { | |
6fd50a20 | 1171 | fprintf(config.map_file, "(%s)",w->section_name); |
2fa0b342 DHW |
1172 | } |
1173 | else { | |
6fd50a20 | 1174 | fprintf(config.map_file, "(*)"); |
2fa0b342 DHW |
1175 | } |
1176 | print_nl(); | |
1177 | print_statement(w->children.head, os); | |
1178 | ||
1179 | } | |
1180 | static void | |
1418c83b SC |
1181 | DEFUN(print_statement,(s, os), |
1182 | lang_statement_union_type *s AND | |
1183 | lang_output_section_statement_type *os) | |
2fa0b342 | 1184 | { |
c611e285 SC |
1185 | while (s) |
1186 | { | |
1187 | switch (s->header.type) | |
1188 | { | |
1189 | case lang_constructors_statement_enum: | |
6fd50a20 | 1190 | fprintf(config.map_file, "constructors:\n"); |
c611e285 SC |
1191 | print_statement(constructor_list.head, os); |
1192 | break; | |
1193 | case lang_wild_statement_enum: | |
1194 | print_wild_statement(&s->wild_statement, os); | |
1195 | break; | |
1196 | default: | |
6fd50a20 | 1197 | fprintf(config.map_file, "Fail with %d\n",s->header.type); |
c611e285 SC |
1198 | FAIL(); |
1199 | break; | |
1200 | case lang_address_statement_enum: | |
6fd50a20 | 1201 | fprintf(config.map_file, "address\n"); |
c611e285 | 1202 | break; |
c611e285 | 1203 | case lang_object_symbols_statement_enum: |
6fd50a20 | 1204 | fprintf(config.map_file, "object symbols\n"); |
c611e285 SC |
1205 | break; |
1206 | case lang_fill_statement_enum: | |
1207 | print_fill_statement(&s->fill_statement); | |
1208 | break; | |
1209 | case lang_data_statement_enum: | |
1210 | print_data_statement(&s->data_statement); | |
1211 | break; | |
1212 | case lang_input_section_enum: | |
1213 | print_input_section(&s->input_section); | |
1214 | break; | |
1215 | case lang_padding_statement_enum: | |
1216 | print_padding_statement(&s->padding_statement); | |
1217 | break; | |
1218 | case lang_output_section_statement_enum: | |
1219 | print_output_section_statement(&s->output_section_statement); | |
1220 | break; | |
1221 | case lang_assignment_statement_enum: | |
1222 | print_assignment(&s->assignment_statement, | |
1223 | os); | |
1224 | break; | |
1225 | case lang_target_statement_enum: | |
6fd50a20 | 1226 | fprintf(config.map_file, "TARGET(%s)\n", s->target_statement.target); |
c611e285 SC |
1227 | break; |
1228 | case lang_output_statement_enum: | |
6fd50a20 | 1229 | fprintf(config.map_file, "OUTPUT(%s %s)\n", |
c611e285 SC |
1230 | s->output_statement.name, |
1231 | output_target); | |
1232 | break; | |
1233 | case lang_input_statement_enum: | |
1234 | print_input_statement(&s->input_statement); | |
1235 | break; | |
1236 | case lang_afile_asection_pair_statement_enum: | |
1237 | FAIL(); | |
1238 | break; | |
1239 | } | |
1240 | s = s->next; | |
2fa0b342 | 1241 | } |
2fa0b342 DHW |
1242 | } |
1243 | ||
1244 | ||
1245 | static void | |
1418c83b | 1246 | DEFUN_VOID(print_statements) |
2fa0b342 DHW |
1247 | { |
1248 | print_statement(statement_list.head, | |
dcde00c4 SC |
1249 | abs_output_section); |
1250 | ||
2fa0b342 DHW |
1251 | } |
1252 | ||
1253 | static bfd_vma | |
1418c83b SC |
1254 | DEFUN(insert_pad,(this_ptr, fill, power, output_section_statement, dot), |
1255 | lang_statement_union_type **this_ptr AND | |
1256 | fill_type fill AND | |
1257 | unsigned int power AND | |
1258 | asection * output_section_statement AND | |
1259 | bfd_vma dot) | |
2fa0b342 DHW |
1260 | { |
1261 | /* Align this section first to the | |
1262 | input sections requirement, then | |
1263 | to the output section's requirement. | |
1264 | If this alignment is > than any seen before, | |
1265 | then record it too. Perform the alignment by | |
1266 | inserting a magic 'padding' statement. | |
1267 | */ | |
1268 | ||
1269 | unsigned int alignment_needed = align_power(dot, power) - dot; | |
1270 | ||
1271 | if (alignment_needed != 0) | |
1272 | { | |
1273 | lang_statement_union_type *new = | |
1274 | (lang_statement_union_type *) | |
3f8d46e7 | 1275 | ldmalloc((bfd_size_type)(sizeof(lang_padding_statement_type))); |
2fa0b342 DHW |
1276 | /* Link into existing chain */ |
1277 | new->header.next = *this_ptr; | |
1278 | *this_ptr = new; | |
1279 | new->header.type = lang_padding_statement_enum; | |
1280 | new->padding_statement.output_section = output_section_statement; | |
1281 | new->padding_statement.output_offset = | |
1282 | dot - output_section_statement->vma; | |
1283 | new->padding_statement.fill = fill; | |
1284 | new->padding_statement.size = alignment_needed; | |
1285 | } | |
1286 | ||
1287 | ||
1288 | /* Remember the most restrictive alignment */ | |
1289 | if (power > output_section_statement->alignment_power) { | |
1290 | output_section_statement->alignment_power = power; | |
1291 | } | |
c611e285 | 1292 | output_section_statement->_raw_size += alignment_needed; |
2fa0b342 DHW |
1293 | return alignment_needed + dot; |
1294 | ||
1295 | } | |
1296 | ||
1418c83b | 1297 | /* Work out how much this section will move the dot point */ |
2fa0b342 | 1298 | static bfd_vma |
1418c83b SC |
1299 | DEFUN(size_input_section, (this_ptr, output_section_statement, fill, dot), |
1300 | lang_statement_union_type **this_ptr AND | |
1301 | lang_output_section_statement_type*output_section_statement AND | |
1302 | unsigned short fill AND | |
1303 | bfd_vma dot) | |
2fa0b342 DHW |
1304 | { |
1305 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1306 | asection *i = is->section; | |
1418c83b SC |
1307 | |
1308 | if (is->ifile->just_syms_flag == false) { | |
ac004870 SC |
1309 | dot = insert_pad(this_ptr, fill, i->alignment_power, |
1310 | output_section_statement->bfd_section, dot); | |
2fa0b342 | 1311 | |
7bc4a0d7 SC |
1312 | /* remember the largest size so we can malloc the largest area |
1313 | needed for the output stage. Only remember the size of sections | |
1314 | which we will actually allocate */ | |
1315 | if (((i->flags & | |
1316 | (SEC_HAS_CONTENTS | SEC_LOAD)) == (SEC_HAS_CONTENTS | SEC_LOAD)) | |
c611e285 SC |
1317 | && (bfd_get_section_size_before_reloc(i) > largest_section)) { |
1318 | largest_section = bfd_get_section_size_before_reloc(i); | |
ac004870 | 1319 | } |
2fa0b342 | 1320 | |
ac004870 | 1321 | /* Remember where in the output section this input section goes */ |
2fa0b342 | 1322 | |
ac004870 SC |
1323 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1324 | ||
1325 | /* Mark how big the output section must be to contain this now */ | |
c611e285 SC |
1326 | dot += bfd_get_section_size_before_reloc(i); |
1327 | output_section_statement->bfd_section->_raw_size = | |
ac004870 SC |
1328 | dot - output_section_statement->bfd_section->vma; |
1329 | } | |
1330 | else | |
1331 | { | |
1332 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1333 | } | |
2fa0b342 DHW |
1334 | |
1335 | return dot ; | |
1336 | } | |
1337 | ||
c611e285 | 1338 | |
c611e285 SC |
1339 | /* Sizing happens in two passes, first pass we allocate worst case |
1340 | stuff. The second pass (if relaxing), we use what we learnt to | |
1341 | change the size of some relocs from worst case to better | |
1342 | */ | |
1343 | static boolean had_relax; | |
1344 | ||
1345 | static bfd_vma | |
1346 | DEFUN(lang_size_sections,(s, output_section_statement, prev, fill, | |
1347 | dot, relax), | |
1348 | lang_statement_union_type *s AND | |
1349 | lang_output_section_statement_type * output_section_statement AND | |
1350 | lang_statement_union_type **prev AND | |
1351 | unsigned short fill AND | |
1352 | bfd_vma dot AND | |
1353 | boolean relax) | |
1354 | { | |
1355 | /* Size up the sections from their constituent parts */ | |
1356 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
9d1fe8a4 SC |
1357 | { |
1358 | switch (s->header.type) { | |
c611e285 | 1359 | |
9d1fe8a4 SC |
1360 | case lang_output_section_statement_enum: |
1361 | { | |
1362 | bfd_vma after; | |
1363 | lang_output_section_statement_type *os =&(s->output_section_statement); | |
1364 | ||
1365 | if (os->bfd_section == &bfd_abs_section) | |
1366 | { | |
1367 | /* No matter what happens, an abs section starts at zero */ | |
1368 | os->bfd_section->vma = 0; | |
1369 | } | |
1370 | else | |
1371 | { | |
1372 | if (os->addr_tree == (etree_type *)NULL) | |
1373 | { | |
1374 | /* No address specified for this section, get one | |
1375 | from the region specification | |
1376 | */ | |
1377 | if (os->region == (lang_memory_region_type *)NULL) { | |
1378 | os->region = lang_memory_region_lookup("*default*"); | |
c611e285 | 1379 | } |
9d1fe8a4 SC |
1380 | dot = os->region->current; |
1381 | } | |
1382 | else | |
1383 | { | |
1384 | etree_value_type r ; | |
1385 | r = exp_fold_tree(os->addr_tree, | |
1386 | abs_output_section, | |
1387 | lang_allocating_phase_enum, | |
1388 | dot, &dot); | |
1389 | if (r.valid == false) | |
1390 | { | |
1391 | einfo("%F%S: non constant address expression for section %s\n", | |
1392 | os->name); | |
1393 | } | |
1394 | dot = r.value; | |
1395 | } | |
1396 | /* The section starts here */ | |
1397 | /* First, align to what the section needs */ | |
c611e285 | 1398 | |
c611e285 | 1399 | |
9d1fe8a4 SC |
1400 | dot = align_power(dot, os->bfd_section->alignment_power); |
1401 | os->bfd_section->vma = dot; | |
1402 | } | |
1403 | ||
1404 | ||
1405 | os->bfd_section->output_offset = 0; | |
c611e285 | 1406 | |
9d1fe8a4 SC |
1407 | (void) lang_size_sections(os->children.head, os, &os->children.head, |
1408 | os->fill, dot, relax); | |
1409 | /* Ignore the size of the input sections, use the vma and size to */ | |
1410 | /* align against */ | |
c611e285 | 1411 | |
c611e285 | 1412 | |
9d1fe8a4 SC |
1413 | after = ALIGN(os->bfd_section->vma + |
1414 | os->bfd_section->_raw_size, | |
1415 | os->block_value) ; | |
c611e285 | 1416 | |
c611e285 | 1417 | |
9d1fe8a4 SC |
1418 | os->bfd_section->_raw_size = after - os->bfd_section->vma; |
1419 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1420 | os->processed = true; | |
c611e285 | 1421 | |
9d1fe8a4 SC |
1422 | /* Replace into region ? */ |
1423 | if (os->addr_tree == (etree_type *)NULL | |
1424 | && os->region !=(lang_memory_region_type*)NULL ) { | |
1425 | os->region->current = dot; | |
1426 | /* Make sure this isn't silly */ | |
1427 | if (os->region->current > | |
1428 | os->region->origin + | |
1429 | os->region->length) | |
c611e285 | 1430 | { |
9d1fe8a4 SC |
1431 | einfo("%X%P: Region %s is full (%B section %s)\n", |
1432 | os->region->name, | |
1433 | os->bfd_section->owner, | |
1434 | os->bfd_section->name); | |
1435 | /* Reset the region pointer */ | |
1436 | os->region->current = 0; | |
c611e285 | 1437 | |
c611e285 | 1438 | } |
9d1fe8a4 SC |
1439 | |
1440 | } | |
1441 | } | |
c611e285 | 1442 | |
9d1fe8a4 SC |
1443 | break; |
1444 | case lang_constructors_statement_enum: | |
1445 | dot = lang_size_sections(constructor_list.head, | |
1446 | output_section_statement, | |
1447 | &s->wild_statement.children.head, | |
1448 | fill, | |
1449 | dot, relax); | |
1450 | break; | |
1451 | ||
1452 | case lang_data_statement_enum: | |
1453 | { | |
1454 | unsigned int size = 0; | |
1455 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; | |
1456 | s->data_statement.output_section = | |
1457 | output_section_statement->bfd_section; | |
1458 | ||
1459 | switch (s->data_statement.type) { | |
1460 | case LONG: | |
1461 | size = LONG_SIZE; | |
1462 | break; | |
1463 | case SHORT: | |
1464 | size = SHORT_SIZE; | |
1465 | break; | |
1466 | case BYTE: | |
1467 | size = BYTE_SIZE; | |
1468 | break; | |
1469 | ||
1470 | } | |
1471 | dot += size; | |
1472 | output_section_statement->bfd_section->_raw_size += size; | |
1473 | } | |
1474 | break; | |
1475 | ||
1476 | case lang_wild_statement_enum: | |
c611e285 | 1477 | |
9d1fe8a4 | 1478 | dot = lang_size_sections(s->wild_statement.children.head, |
c611e285 SC |
1479 | output_section_statement, |
1480 | &s->wild_statement.children.head, | |
1481 | ||
1482 | fill, dot, relax); | |
1483 | ||
9d1fe8a4 | 1484 | break; |
c611e285 | 1485 | |
9d1fe8a4 SC |
1486 | case lang_object_symbols_statement_enum: |
1487 | create_object_symbols = output_section_statement; | |
1488 | break; | |
1489 | case lang_output_statement_enum: | |
1490 | case lang_target_statement_enum: | |
1491 | break; | |
1492 | case lang_input_section_enum: | |
1493 | if (relax) | |
1494 | { | |
1495 | relaxing = true; | |
c611e285 SC |
1496 | |
1497 | ||
9d1fe8a4 SC |
1498 | had_relax |= relax_section(prev); |
1499 | relaxing = false; | |
c611e285 | 1500 | |
9d1fe8a4 | 1501 | } |
2fa0b342 | 1502 | |
9d1fe8a4 | 1503 | dot = size_input_section(prev, |
c611e285 SC |
1504 | output_section_statement, |
1505 | output_section_statement->fill, dot); | |
9d1fe8a4 SC |
1506 | break; |
1507 | case lang_input_statement_enum: | |
1508 | break; | |
1509 | case lang_fill_statement_enum: | |
dc4726c2 SC |
1510 | s->fill_statement.output_section =output_section_statement->bfd_section; |
1511 | ||
9d1fe8a4 SC |
1512 | fill = s->fill_statement.fill; |
1513 | break; | |
1514 | case lang_assignment_statement_enum: | |
1515 | { | |
1516 | bfd_vma newdot = dot; | |
1517 | exp_fold_tree(s->assignment_statement.exp, | |
1518 | output_section_statement, | |
1519 | lang_allocating_phase_enum, | |
1520 | dot, | |
1521 | &newdot); | |
1522 | ||
1523 | if (newdot != dot && !relax) | |
1524 | /* We've been moved ! so insert a pad */ | |
1525 | { | |
1526 | lang_statement_union_type *new = | |
1527 | (lang_statement_union_type *) | |
1528 | ldmalloc((bfd_size_type)(sizeof(lang_padding_statement_type))); | |
1529 | /* Link into existing chain */ | |
1530 | new->header.next = *prev; | |
1531 | *prev = new; | |
1532 | new->header.type = lang_padding_statement_enum; | |
1533 | new->padding_statement.output_section = | |
1534 | output_section_statement->bfd_section; | |
1535 | new->padding_statement.output_offset = | |
1536 | dot - output_section_statement->bfd_section->vma; | |
1537 | new->padding_statement.fill = fill; | |
1538 | new->padding_statement.size = newdot - dot; | |
1539 | output_section_statement->bfd_section->_raw_size += | |
1540 | new->padding_statement.size; | |
1541 | dot = newdot; | |
1542 | } | |
1543 | } | |
c611e285 | 1544 | |
9d1fe8a4 SC |
1545 | break; |
1546 | default: | |
1547 | FAIL(); | |
1548 | break; | |
1549 | /* This can only get here when relaxing is turned on */ | |
1550 | case lang_padding_statement_enum: | |
c611e285 | 1551 | |
9d1fe8a4 SC |
1552 | case lang_address_statement_enum: |
1553 | break; | |
c611e285 | 1554 | } |
9d1fe8a4 SC |
1555 | prev = &s->header.next; |
1556 | } | |
c611e285 SC |
1557 | return dot; |
1558 | } | |
9d1fe8a4 | 1559 | |
2fa0b342 DHW |
1560 | |
1561 | static bfd_vma | |
1418c83b SC |
1562 | DEFUN(lang_do_assignments,(s, output_section_statement, fill, dot), |
1563 | lang_statement_union_type *s AND | |
1564 | lang_output_section_statement_type * output_section_statement AND | |
1565 | unsigned short fill AND | |
1566 | bfd_vma dot) | |
2fa0b342 DHW |
1567 | { |
1568 | ||
1569 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
1570 | { | |
1571 | switch (s->header.type) { | |
81016051 SC |
1572 | case lang_constructors_statement_enum: |
1573 | dot = lang_do_assignments(constructor_list.head, | |
1574 | output_section_statement, | |
1575 | fill, | |
1576 | dot); | |
1577 | break; | |
1578 | ||
2fa0b342 DHW |
1579 | case lang_output_section_statement_enum: |
1580 | { | |
1581 | lang_output_section_statement_type *os = | |
1582 | &(s->output_section_statement); | |
1583 | dot = os->bfd_section->vma; | |
1584 | (void) lang_do_assignments(os->children.head, os, os->fill, dot); | |
c611e285 | 1585 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; |
2fa0b342 DHW |
1586 | } |
1587 | break; | |
1588 | case lang_wild_statement_enum: | |
1589 | ||
1590 | dot = lang_do_assignments(s->wild_statement.children.head, | |
1591 | output_section_statement, | |
1592 | fill, dot); | |
1593 | ||
1594 | break; | |
1595 | ||
1596 | case lang_object_symbols_statement_enum: | |
1597 | case lang_output_statement_enum: | |
1598 | case lang_target_statement_enum: | |
1418c83b | 1599 | #if 0 |
2fa0b342 | 1600 | case lang_common_statement_enum: |
1418c83b | 1601 | #endif |
2fa0b342 DHW |
1602 | break; |
1603 | case lang_data_statement_enum: | |
1604 | { | |
1605 | etree_value_type value ; | |
1606 | value = exp_fold_tree(s->data_statement.exp, | |
9d1fe8a4 SC |
1607 | abs_output_section, |
1608 | lang_final_phase_enum, dot, &dot); | |
2fa0b342 | 1609 | s->data_statement.value = value.value; |
c611e285 | 1610 | if (value.valid == false) einfo("%F%P: Invalid data statement\n"); |
2fa0b342 DHW |
1611 | } |
1612 | switch (s->data_statement.type) { | |
1613 | case LONG: | |
1614 | dot += LONG_SIZE; | |
1615 | break; | |
1616 | case SHORT: | |
1617 | dot += SHORT_SIZE; | |
1618 | break; | |
1619 | case BYTE: | |
1620 | dot += BYTE_SIZE; | |
1621 | break; | |
1622 | } | |
1623 | break; | |
1624 | case lang_input_section_enum: | |
1625 | { | |
1626 | asection *in = s->input_section.section; | |
c611e285 | 1627 | dot += bfd_get_section_size_before_reloc(in); |
2fa0b342 DHW |
1628 | } |
1629 | break; | |
1630 | ||
1631 | case lang_input_statement_enum: | |
1632 | break; | |
1633 | case lang_fill_statement_enum: | |
1634 | fill = s->fill_statement.fill; | |
1635 | break; | |
1636 | case lang_assignment_statement_enum: | |
1637 | { | |
1638 | exp_fold_tree(s->assignment_statement.exp, | |
1639 | output_section_statement, | |
1640 | lang_final_phase_enum, | |
1641 | dot, | |
1642 | &dot); | |
1643 | } | |
1644 | ||
1645 | break; | |
1646 | case lang_padding_statement_enum: | |
1647 | dot += s->padding_statement.size; | |
1648 | break; | |
1649 | default: | |
1650 | FAIL(); | |
1651 | break; | |
1652 | case lang_address_statement_enum: | |
1653 | break; | |
1654 | } | |
1655 | ||
1656 | } | |
1657 | return dot; | |
1658 | } | |
1659 | ||
1660 | ||
1661 | ||
1418c83b SC |
1662 | static void |
1663 | DEFUN_VOID(lang_relocate_globals) | |
2fa0b342 DHW |
1664 | { |
1665 | ||
1666 | /* | |
1418c83b SC |
1667 | Each ldsym_type maintains a chain of pointers to asymbols which |
1668 | references the definition. Replace each pointer to the referenence | |
1669 | with a pointer to only one place, preferably the definition. If | |
1670 | the defintion isn't available then the common symbol, and if | |
1671 | there isn't one of them then choose one reference. | |
1672 | */ | |
2fa0b342 DHW |
1673 | |
1674 | FOR_EACH_LDSYM(lgs) { | |
1675 | asymbol *it; | |
1676 | if (lgs->sdefs_chain) { | |
1677 | it = *(lgs->sdefs_chain); | |
1678 | } | |
1679 | else if (lgs->scoms_chain != (asymbol **)NULL) { | |
1680 | it = *(lgs->scoms_chain); | |
1681 | } | |
1682 | else if (lgs->srefs_chain != (asymbol **)NULL) { | |
1683 | it = *(lgs->srefs_chain); | |
1684 | } | |
1685 | else { | |
1418c83b SC |
1686 | /* This can happen when the command line asked for a symbol to |
1687 | be -u */ | |
1688 | it = (asymbol *)NULL; | |
2fa0b342 DHW |
1689 | } |
1690 | if (it != (asymbol *)NULL) | |
1418c83b | 1691 | { |
81016051 SC |
1692 | asymbol **ptr = lgs->srefs_chain;; |
1693 | if (lgs->flags & SYM_WARNING) | |
1694 | { | |
1695 | produce_warnings(lgs, it); | |
1696 | } | |
2fa0b342 | 1697 | |
1418c83b SC |
1698 | while (ptr != (asymbol **)NULL) { |
1699 | asymbol *ref = *ptr; | |
1700 | *ptr = it; | |
1701 | ptr = (asymbol **)(ref->udata); | |
1702 | } | |
2fa0b342 | 1703 | } |
2fa0b342 DHW |
1704 | } |
1705 | } | |
1706 | ||
1707 | ||
1708 | ||
2fa0b342 | 1709 | static void |
1418c83b | 1710 | DEFUN_VOID(lang_finish) |
2fa0b342 DHW |
1711 | { |
1712 | ldsym_type *lgs; | |
1713 | ||
1714 | if (entry_symbol == (char *)NULL) { | |
1715 | /* No entry has been specified, look for start */ | |
1716 | entry_symbol = "start"; | |
1717 | } | |
1718 | lgs = ldsym_get_soft(entry_symbol); | |
1719 | if (lgs && lgs->sdefs_chain) { | |
1720 | asymbol *sy = *(lgs->sdefs_chain); | |
1721 | /* We can set the entry address*/ | |
1722 | bfd_set_start_address(output_bfd, | |
1723 | outside_symbol_address(sy)); | |
1724 | ||
1725 | } | |
1726 | else { | |
1727 | /* Can't find anything reasonable, | |
1728 | use the first address in the text section | |
1729 | */ | |
1730 | asection *ts = bfd_get_section_by_name(output_bfd, ".text"); | |
1731 | if (ts) { | |
1732 | bfd_set_start_address(output_bfd, ts->vma); | |
1733 | } | |
1734 | } | |
1735 | } | |
1736 | ||
1737 | /* By now we know the target architecture, and we may have an */ | |
1738 | /* ldfile_output_machine_name */ | |
1739 | static void | |
1418c83b | 1740 | DEFUN_VOID(lang_check) |
2fa0b342 DHW |
1741 | { |
1742 | lang_statement_union_type *file; | |
3f8d46e7 | 1743 | bfd * input_bfd; |
dc4726c2 SC |
1744 | unsigned long input_machine; |
1745 | enum bfd_architecture input_architecture; | |
f177a611 | 1746 | CONST bfd_arch_info_type *compatible; |
7bc4a0d7 | 1747 | |
2fa0b342 DHW |
1748 | for (file = file_chain.head; |
1749 | file != (lang_statement_union_type *)NULL; | |
1750 | file=file->input_statement.next) | |
1418c83b | 1751 | { |
06850bea SC |
1752 | unsigned long ldfile_new_output_machine = 0; |
1753 | enum bfd_architecture ldfile_new_output_architecture = bfd_arch_unknown; | |
7bc4a0d7 | 1754 | |
3f8d46e7 | 1755 | input_bfd = file->input_statement.the_bfd; |
7bc4a0d7 | 1756 | |
f177a611 JG |
1757 | input_machine = bfd_get_mach(input_bfd); |
1758 | input_architecture = bfd_get_arch(input_bfd); | |
7bc4a0d7 | 1759 | |
3f8d46e7 | 1760 | |
f177a611 JG |
1761 | /* Inspect the architecture and ensure we're linking like with |
1762 | like */ | |
7bc4a0d7 | 1763 | |
f177a611 JG |
1764 | compatible=bfd_arch_get_compatible(input_bfd, |
1765 | output_bfd); | |
7bc4a0d7 | 1766 | |
f177a611 JG |
1767 | if (compatible) |
1768 | { | |
1769 | ldfile_output_machine = compatible->mach; | |
1770 | ldfile_output_architecture = compatible->arch; | |
1771 | } | |
1772 | else | |
1773 | { | |
7bc4a0d7 | 1774 | |
f177a611 JG |
1775 | info("%P: warning, %s architecture of input file `%B' incompatible with %s output\n", |
1776 | bfd_printable_name(input_bfd), input_bfd, | |
1777 | bfd_printable_name(output_bfd)); | |
7bc4a0d7 SC |
1778 | |
1779 | bfd_set_arch_mach(output_bfd, | |
1780 | ldfile_new_output_architecture, | |
1781 | ldfile_new_output_machine); | |
1782 | } | |
7bc4a0d7 | 1783 | |
f177a611 | 1784 | } |
2fa0b342 DHW |
1785 | } |
1786 | ||
1787 | ||
1788 | /* | |
1789 | * run through all the global common symbols and tie them | |
b6316534 SC |
1790 | * to the output section requested. |
1791 | * | |
1792 | As an experiment we do this 4 times, once for all the byte sizes, | |
1793 | then all the two bytes, all the four bytes and then everything else | |
1794 | */ | |
2fa0b342 DHW |
1795 | |
1796 | static void | |
1418c83b | 1797 | DEFUN_VOID(lang_common) |
2fa0b342 DHW |
1798 | { |
1799 | ldsym_type *lgs; | |
b6316534 | 1800 | size_t power; |
2fa0b342 DHW |
1801 | if (config.relocateable_output == false || |
1802 | command_line.force_common_definition== true) { | |
b6316534 SC |
1803 | for (power = 1; (config.sort_common == true && power == 1) || (power <= 16); power <<=1) { |
1804 | for (lgs = symbol_head; | |
1805 | lgs != (ldsym_type *)NULL; | |
1806 | lgs=lgs->next) | |
1418c83b SC |
1807 | { |
1808 | asymbol *com ; | |
1809 | unsigned int power_of_two; | |
1810 | size_t size; | |
1811 | size_t align; | |
1812 | if (lgs->scoms_chain != (asymbol **)NULL) { | |
1813 | com = *(lgs->scoms_chain); | |
1814 | size = com->value; | |
1815 | switch (size) { | |
1816 | case 0: | |
1817 | case 1: | |
1818 | align = 1; | |
1819 | power_of_two = 0; | |
1820 | break; | |
1821 | case 2: | |
1822 | power_of_two = 1; | |
1823 | align = 2; | |
1824 | break; | |
1825 | case 3: | |
1826 | case 4: | |
1827 | power_of_two =2; | |
1828 | align = 4; | |
1829 | break; | |
1830 | case 5: | |
1831 | case 6: | |
1832 | case 7: | |
1833 | case 8: | |
1834 | power_of_two = 3; | |
2fa0b342 | 1835 | align = 8; |
1418c83b SC |
1836 | break; |
1837 | default: | |
1838 | power_of_two = 4; | |
1839 | align = 16; | |
1840 | break; | |
2fa0b342 | 1841 | } |
b6316534 SC |
1842 | if (config.sort_common == false || align == power) { |
1843 | /* Change from a common symbol into a definition of | |
1844 | a symbol */ | |
1845 | lgs->sdefs_chain = lgs->scoms_chain; | |
1846 | lgs->scoms_chain = (asymbol **)NULL; | |
1847 | commons_pending--; | |
1848 | /* Point to the correct common section */ | |
1849 | com->section = | |
1850 | ((lang_input_statement_type *) | |
1851 | (com->the_bfd->usrdata))->common_section; | |
1852 | /* Fix the size of the common section */ | |
c611e285 SC |
1853 | |
1854 | com->section->_raw_size = | |
1855 | ALIGN(com->section->_raw_size, align); | |
b6316534 SC |
1856 | |
1857 | /* Remember if this is the biggest alignment ever seen */ | |
1858 | if (power_of_two > com->section->alignment_power) { | |
1859 | com->section->alignment_power = power_of_two; | |
1860 | } | |
2fa0b342 | 1861 | |
b6316534 SC |
1862 | /* Symbol stops being common and starts being global, but |
1863 | we remember that it was common once. */ | |
2fa0b342 | 1864 | |
b6316534 | 1865 | com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON; |
c611e285 | 1866 | com->value = com->section->_raw_size; |
1418c83b | 1867 | |
b6316534 | 1868 | if (write_map) |
1418c83b | 1869 | { |
6fd50a20 | 1870 | fprintf (config.map_file, "Allocating common %s: %x at %x %s\n", |
1418c83b SC |
1871 | lgs->name, |
1872 | (unsigned) size, | |
b6316534 SC |
1873 | (unsigned) com->value, |
1874 | com->the_bfd->filename); | |
1418c83b | 1875 | } |
097879bc | 1876 | |
c611e285 | 1877 | com->section->_raw_size += size; |
1418c83b | 1878 | |
b6316534 | 1879 | } |
1418c83b | 1880 | } |
b6316534 | 1881 | |
2fa0b342 | 1882 | } |
b6316534 | 1883 | } |
2fa0b342 | 1884 | } |
1418c83b SC |
1885 | |
1886 | ||
2fa0b342 DHW |
1887 | } |
1888 | ||
1889 | /* | |
1890 | run through the input files and ensure that every input | |
1891 | section has somewhere to go. If one is found without | |
1892 | a destination then create an input request and place it | |
1893 | into the statement tree. | |
1894 | */ | |
1895 | ||
1418c83b SC |
1896 | static void |
1897 | DEFUN_VOID(lang_place_orphans) | |
2fa0b342 DHW |
1898 | { |
1899 | lang_input_statement_type *file; | |
1900 | for (file = (lang_input_statement_type*)file_chain.head; | |
1901 | file != (lang_input_statement_type*)NULL; | |
1902 | file = (lang_input_statement_type*)file->next) { | |
1903 | asection *s; | |
1904 | for (s = file->the_bfd->sections; | |
1905 | s != (asection *)NULL; | |
1906 | s = s->next) { | |
1907 | if ( s->output_section == (asection *)NULL) { | |
1908 | /* This section of the file is not attatched, root | |
1909 | around for a sensible place for it to go */ | |
1910 | ||
1911 | if (file->common_section == s) { | |
1912 | /* This is a lonely common section which must | |
1913 | have come from an archive. We attatch to the | |
1914 | section with the wildcard */ | |
1418c83b SC |
1915 | if (config.relocateable_output != true |
1916 | && command_line.force_common_definition == false) { | |
1917 | if (default_common_section == | |
1918 | (lang_output_section_statement_type *)NULL) { | |
1919 | info("%P: No [COMMON] command, defaulting to .bss\n"); | |
1920 | ||
1921 | default_common_section = | |
1922 | lang_output_section_statement_lookup(".bss"); | |
1923 | ||
1924 | } | |
1925 | wild_doit(&default_common_section->children, s, | |
1926 | default_common_section, file); | |
1927 | } | |
2fa0b342 DHW |
1928 | } |
1929 | else { | |
1930 | lang_output_section_statement_type *os = | |
1931 | lang_output_section_statement_lookup(s->name); | |
1932 | ||
1933 | wild_doit(&os->children, s, os, file); | |
1934 | } | |
1935 | } | |
1936 | } | |
2fa0b342 DHW |
1937 | } |
1938 | } | |
1939 | ||
1940 | ||
2fa0b342 | 1941 | void |
1418c83b | 1942 | DEFUN(lang_set_flags,(ptr, flags), |
7bc4a0d7 | 1943 | int *ptr AND |
1418c83b | 1944 | CONST char *flags) |
2fa0b342 | 1945 | { |
dc4726c2 SC |
1946 | boolean state = false; |
1947 | *ptr= 0; | |
2fa0b342 | 1948 | while (*flags) |
dc4726c2 SC |
1949 | { |
1950 | if (*flags == '!') { | |
1951 | state = false; | |
1952 | flags++; | |
1953 | } | |
1954 | else state = true; | |
1955 | switch (*flags) { | |
1956 | case 'R': | |
1957 | /* ptr->flag_read = state; */ | |
1958 | break; | |
1959 | case 'W': | |
1960 | /* ptr->flag_write = state; */ | |
1961 | break; | |
1962 | case 'X': | |
1963 | /* ptr->flag_executable= state;*/ | |
1964 | break; | |
1965 | case 'L': | |
1966 | case 'I': | |
1967 | /* ptr->flag_loadable= state;*/ | |
1968 | break; | |
1969 | default: | |
1970 | einfo("%P%F illegal syntax in flags\n"); | |
1971 | break; | |
1972 | } | |
1973 | flags++; | |
1974 | } | |
2fa0b342 DHW |
1975 | } |
1976 | ||
1977 | ||
1978 | ||
1979 | void | |
1418c83b SC |
1980 | DEFUN(lang_for_each_file,(func), |
1981 | PROTO(void, (*func),(lang_input_statement_type *))) | |
2fa0b342 DHW |
1982 | { |
1983 | lang_input_statement_type *f; | |
1984 | for (f = (lang_input_statement_type *)file_chain.head; | |
1985 | f != (lang_input_statement_type *)NULL; | |
1986 | f = (lang_input_statement_type *)f->next) | |
1418c83b SC |
1987 | { |
1988 | func(f); | |
1989 | } | |
2fa0b342 DHW |
1990 | } |
1991 | ||
1992 | ||
1993 | void | |
1418c83b SC |
1994 | DEFUN(lang_for_each_input_section, (func), |
1995 | PROTO(void ,(*func),(bfd *ab, asection*as))) | |
2fa0b342 DHW |
1996 | { |
1997 | lang_input_statement_type *f; | |
1998 | for (f = (lang_input_statement_type *)file_chain.head; | |
1999 | f != (lang_input_statement_type *)NULL; | |
2000 | f = (lang_input_statement_type *)f->next) | |
2001 | { | |
2002 | asection *s; | |
2003 | for (s = f->the_bfd->sections; | |
2004 | s != (asection *)NULL; | |
2005 | s = s->next) { | |
2006 | func(f->the_bfd, s); | |
2007 | } | |
2008 | } | |
2009 | } | |
2010 | ||
2011 | ||
2012 | ||
2013 | void | |
1418c83b SC |
2014 | DEFUN(ldlang_add_file,(entry), |
2015 | lang_input_statement_type *entry) | |
2fa0b342 | 2016 | { |
1418c83b | 2017 | |
2fa0b342 DHW |
2018 | lang_statement_append(&file_chain, |
2019 | (lang_statement_union_type *)entry, | |
2020 | &entry->next); | |
2021 | } | |
2022 | ||
2023 | ||
2024 | ||
2025 | void | |
1418c83b SC |
2026 | DEFUN(lang_add_output,(name), |
2027 | CONST char *name) | |
2fa0b342 DHW |
2028 | { |
2029 | lang_output_statement_type *new = new_stat(lang_output_statement, | |
2030 | stat_ptr); | |
2031 | new->name = name; | |
2032 | had_output_filename = true; | |
2033 | } | |
2034 | ||
2035 | ||
2036 | static lang_output_section_statement_type *current_section; | |
2037 | ||
2038 | void | |
1418c83b SC |
2039 | DEFUN(lang_enter_output_section_statement, |
2040 | (output_section_statement_name, | |
2041 | address_exp, | |
7bc4a0d7 | 2042 | flags, |
1418c83b SC |
2043 | block_value), |
2044 | char *output_section_statement_name AND | |
2045 | etree_type *address_exp AND | |
7bc4a0d7 | 2046 | int flags AND |
1418c83b | 2047 | bfd_vma block_value) |
2fa0b342 DHW |
2048 | { |
2049 | lang_output_section_statement_type *os; | |
2050 | current_section = | |
2051 | os = | |
2052 | lang_output_section_statement_lookup(output_section_statement_name); | |
2053 | ||
81016051 SC |
2054 | |
2055 | ||
2fa0b342 DHW |
2056 | /* Add this statement to tree */ |
2057 | /* add_statement(lang_output_section_statement_enum, | |
2058 | output_section_statement);*/ | |
2059 | /* Make next things chain into subchain of this */ | |
2060 | ||
2061 | if (os->addr_tree == | |
2062 | (etree_type *)NULL) { | |
2063 | os->addr_tree = | |
2064 | address_exp; | |
2065 | } | |
7bc4a0d7 | 2066 | os->flags = flags; |
2fa0b342 DHW |
2067 | os->block_value = block_value; |
2068 | stat_ptr = & os->children; | |
2069 | ||
2070 | } | |
2071 | ||
2072 | ||
2073 | void | |
1418c83b | 2074 | DEFUN_VOID(lang_final) |
2fa0b342 DHW |
2075 | { |
2076 | if (had_output_filename == false) { | |
e89432c7 SC |
2077 | extern CONST char *output_filename; |
2078 | lang_add_output(output_filename); | |
2fa0b342 | 2079 | } |
2fa0b342 DHW |
2080 | } |
2081 | ||
2082 | ||
2083 | ||
c611e285 SC |
2084 | /* Reset the current counters in the regions */ |
2085 | static void | |
2086 | DEFUN_VOID(reset_memory_regions) | |
2087 | { | |
2088 | lang_memory_region_type *p = lang_memory_region_list; | |
2089 | for (p = lang_memory_region_list; | |
2090 | p != ( lang_memory_region_type *)NULL; | |
2091 | p = p->next) | |
2092 | { | |
2093 | p->current = p->origin; | |
2094 | } | |
2095 | } | |
2fa0b342 DHW |
2096 | |
2097 | ||
1418c83b SC |
2098 | asymbol * |
2099 | DEFUN(create_symbol,(name, flags, section), | |
2100 | CONST char *name AND | |
2101 | flagword flags AND | |
2102 | asection *section) | |
2fa0b342 DHW |
2103 | { |
2104 | extern lang_input_statement_type *script_file; | |
3f8d46e7 | 2105 | asymbol **def_ptr = (asymbol **)ldmalloc((bfd_size_type)(sizeof(asymbol **))); |
2fa0b342 DHW |
2106 | /* Add this definition to script file */ |
2107 | asymbol *def = (asymbol *)bfd_make_empty_symbol(script_file->the_bfd); | |
1418c83b | 2108 | def->name = buystring(name); |
2fa0b342 DHW |
2109 | def->udata = 0; |
2110 | def->flags = flags; | |
2111 | def->section = section; | |
2112 | ||
2113 | *def_ptr = def; | |
2114 | Q_enter_global_ref(def_ptr); | |
2115 | return def; | |
2116 | } | |
2117 | ||
81016051 SC |
2118 | |
2119 | ||
2fa0b342 | 2120 | void |
1418c83b SC |
2121 | DEFUN_VOID(lang_process) |
2122 | { | |
9d1fe8a4 | 2123 | |
1418c83b | 2124 | if (had_script == false) { |
9d1fe8a4 | 2125 | parse_line(ldemul_get_script(),1); |
c611e285 | 2126 | } |
1418c83b SC |
2127 | lang_reasonable_defaults(); |
2128 | current_target = default_target; | |
2129 | ||
2130 | lang_for_each_statement(ldlang_open_output); /* Open the output file */ | |
2131 | /* For each output section statement, create a section in the output | |
2132 | file */ | |
2133 | lang_create_output_section_statements(); | |
2134 | ||
2135 | /* Create a dummy bfd for the script */ | |
2136 | lang_init_script_file(); | |
2137 | ||
2138 | /* Add to the hash table all undefineds on the command line */ | |
2139 | lang_place_undefineds(); | |
2140 | ||
2141 | /* Create a bfd for each input file */ | |
2142 | current_target = default_target; | |
2143 | lang_for_each_statement(open_input_bfds); | |
2144 | ||
a0ad3035 | 2145 | common_section.userdata = (PTR)&common_section_userdata; |
1418c83b | 2146 | |
81016051 | 2147 | |
1418c83b SC |
2148 | /* Run through the contours of the script and attatch input sections |
2149 | to the correct output sections | |
2150 | */ | |
81016051 | 2151 | find_constructors(); |
1418c83b SC |
2152 | map_input_to_output_sections(statement_list.head, (char *)NULL, |
2153 | ( lang_output_section_statement_type *)NULL); | |
2154 | ||
81016051 | 2155 | |
1418c83b SC |
2156 | /* Find any sections not attatched explicitly and handle them */ |
2157 | lang_place_orphans(); | |
2158 | ||
2159 | /* Size up the common data */ | |
2160 | lang_common(); | |
2161 | ||
2162 | ldemul_before_allocation(); | |
2163 | ||
c611e285 | 2164 | |
1418c83b SC |
2165 | /* Size up the sections */ |
2166 | lang_size_sections(statement_list.head, | |
ffc50032 | 2167 | abs_output_section, |
c611e285 SC |
2168 | &(statement_list.head), 0, (bfd_vma)0, false); |
2169 | ||
2170 | ||
c611e285 SC |
2171 | /* Now run around and relax if we can */ |
2172 | if (command_line.relax) | |
2173 | { | |
2174 | reset_memory_regions(); | |
ffc50032 SC |
2175 | |
2176 | /* Move the global symbols around */ | |
2177 | lang_relocate_globals(); | |
c611e285 SC |
2178 | |
2179 | had_relax = true; | |
2180 | while (had_relax) | |
2181 | { | |
2182 | ||
2183 | had_relax = false; | |
2184 | ||
2185 | lang_size_sections(statement_list.head, | |
2186 | (lang_output_section_statement_type *)NULL, | |
2187 | &(statement_list.head), 0, (bfd_vma)0, true); | |
2188 | /* FIXME. Until the code in relax is fixed so that it only reads in | |
2189 | stuff once, we cant iterate since there is no way for the linker to | |
2190 | know what has been patched and what hasn't */ | |
2191 | break; | |
2192 | ||
2193 | } | |
2194 | ||
2195 | ||
2196 | ||
2197 | ||
2198 | } | |
2199 | ||
1418c83b SC |
2200 | |
2201 | /* See if anything special should be done now we know how big | |
2202 | everything is */ | |
2203 | ldemul_after_allocation(); | |
2204 | ||
2205 | /* Do all the assignments, now that we know the final restingplaces | |
2206 | of all the symbols */ | |
2207 | ||
2208 | lang_do_assignments(statement_list.head, | |
ffc50032 | 2209 | abs_output_section, |
1418c83b SC |
2210 | 0, (bfd_vma)0); |
2211 | ||
c611e285 | 2212 | |
ffc50032 SC |
2213 | /* Move the global symbols around */ |
2214 | lang_relocate_globals(); | |
2215 | ||
1418c83b SC |
2216 | /* Make sure that we're not mixing architectures */ |
2217 | ||
2218 | lang_check(); | |
2219 | ||
1418c83b SC |
2220 | /* Final stuffs */ |
2221 | lang_finish(); | |
2fa0b342 DHW |
2222 | } |
2223 | ||
2224 | ||
2225 | /* EXPORTED TO YACC */ | |
1418c83b | 2226 | |
2fa0b342 | 2227 | void |
1418c83b SC |
2228 | DEFUN(lang_add_wild,(section_name, filename), |
2229 | CONST char *CONST section_name AND | |
2230 | CONST char *CONST filename) | |
2231 | { | |
2232 | lang_wild_statement_type *new = new_stat(lang_wild_statement, | |
2233 | stat_ptr); | |
2234 | ||
2235 | if (section_name != (char *)NULL && strcmp(section_name,"COMMON") == 0) | |
2236 | { | |
2237 | placed_commons = true; | |
2238 | } | |
2239 | if (filename != (char *)NULL) { | |
2240 | lang_has_input_file = true; | |
2241 | } | |
2242 | new->section_name = section_name; | |
2243 | new->filename = filename; | |
2244 | lang_list_init(&new->children); | |
2245 | } | |
2246 | void | |
2247 | DEFUN(lang_section_start,(name, address), | |
2248 | CONST char *name AND | |
2249 | etree_type *address) | |
2fa0b342 DHW |
2250 | { |
2251 | lang_address_statement_type *ad =new_stat(lang_address_statement, stat_ptr); | |
2252 | ad->section_name = name; | |
2253 | ad->address = address; | |
2254 | } | |
1418c83b SC |
2255 | |
2256 | void | |
2257 | DEFUN(lang_add_entry,(name), | |
2258 | CONST char *name) | |
2fa0b342 DHW |
2259 | { |
2260 | entry_symbol = name; | |
2261 | } | |
2262 | ||
2263 | void | |
1418c83b SC |
2264 | DEFUN(lang_add_target,(name), |
2265 | CONST char *name) | |
2fa0b342 DHW |
2266 | { |
2267 | lang_target_statement_type *new = new_stat(lang_target_statement, | |
2268 | stat_ptr); | |
2269 | new->target = name; | |
2270 | ||
2271 | } | |
2fa0b342 | 2272 | |
1418c83b SC |
2273 | |
2274 | ||
2fa0b342 DHW |
2275 | |
2276 | void | |
1418c83b SC |
2277 | DEFUN(lang_add_map,(name), |
2278 | CONST char *name) | |
2fa0b342 DHW |
2279 | { |
2280 | while (*name) { | |
2281 | switch (*name) { | |
2282 | case 'F': | |
2283 | map_option_f = true; | |
2284 | break; | |
2285 | } | |
2286 | name++; | |
2287 | } | |
2288 | } | |
2289 | ||
1418c83b SC |
2290 | void |
2291 | DEFUN(lang_add_fill,(exp), | |
2292 | int exp) | |
2fa0b342 DHW |
2293 | { |
2294 | lang_fill_statement_type *new = new_stat(lang_fill_statement, | |
2295 | stat_ptr); | |
2296 | new->fill = exp; | |
2297 | } | |
2298 | ||
1418c83b SC |
2299 | void |
2300 | DEFUN(lang_add_data,(type, exp), | |
2301 | int type AND | |
2302 | union etree_union *exp) | |
2fa0b342 DHW |
2303 | { |
2304 | ||
2305 | lang_data_statement_type *new = new_stat(lang_data_statement, | |
2306 | stat_ptr); | |
2307 | new->exp = exp; | |
2308 | new->type = type; | |
2309 | ||
2310 | } | |
2311 | void | |
1418c83b SC |
2312 | DEFUN(lang_add_assignment,(exp), |
2313 | etree_type *exp) | |
2fa0b342 DHW |
2314 | { |
2315 | lang_assignment_statement_type *new = new_stat(lang_assignment_statement, | |
2316 | stat_ptr); | |
2317 | new->exp = exp; | |
2318 | } | |
2319 | ||
2320 | void | |
1418c83b SC |
2321 | DEFUN(lang_add_attribute,(attribute), |
2322 | enum statement_enum attribute) | |
2fa0b342 DHW |
2323 | { |
2324 | new_statement(attribute, sizeof(lang_statement_union_type),stat_ptr); | |
2325 | } | |
2326 | ||
2327 | ||
2328 | ||
2329 | void | |
1418c83b SC |
2330 | DEFUN(lang_startup,(name), |
2331 | CONST char *name) | |
2fa0b342 DHW |
2332 | { |
2333 | if (startup_file != (char *)NULL) { | |
c611e285 | 2334 | einfo("%P%FMultiple STARTUP files\n"); |
2fa0b342 DHW |
2335 | } |
2336 | first_file->filename = name; | |
2337 | first_file->local_sym_name = name; | |
2338 | ||
2339 | startup_file= name; | |
2340 | } | |
2341 | void | |
1418c83b SC |
2342 | DEFUN(lang_float,(maybe), |
2343 | boolean maybe) | |
2fa0b342 DHW |
2344 | { |
2345 | lang_float_flag = maybe; | |
2346 | } | |
2347 | ||
2348 | void | |
1418c83b SC |
2349 | DEFUN(lang_leave_output_section_statement,(fill, memspec), |
2350 | bfd_vma fill AND | |
2351 | CONST char *memspec) | |
2fa0b342 DHW |
2352 | { |
2353 | current_section->fill = fill; | |
2354 | current_section->region = lang_memory_region_lookup(memspec); | |
2355 | stat_ptr = &statement_list; | |
81016051 SC |
2356 | |
2357 | /* We remember if we are closing a .data section, since we use it to | |
2358 | store constructors in */ | |
2359 | if (strcmp(current_section->name, ".data") ==0) { | |
2360 | end_of_data_section_statement_list = statement_list; | |
2361 | ||
2362 | } | |
2fa0b342 | 2363 | } |
9f32f7c2 SC |
2364 | /* |
2365 | Create an absolute symbol with the given name with the value of the | |
2366 | address of first byte of the section named. | |
2fa0b342 | 2367 | |
9f32f7c2 SC |
2368 | If the symbol already exists, then do nothing. |
2369 | */ | |
8cb5eb31 | 2370 | void |
1418c83b SC |
2371 | DEFUN(lang_abs_symbol_at_beginning_of,(section, name), |
2372 | CONST char *section AND | |
2373 | CONST char *name) | |
8cb5eb31 | 2374 | { |
c660714f | 2375 | if (ldsym_undefined(name)) { |
9f32f7c2 SC |
2376 | asection *s = bfd_get_section_by_name(output_bfd, section); |
2377 | asymbol *def = create_symbol(name, | |
c611e285 SC |
2378 | BSF_GLOBAL | BSF_EXPORT , |
2379 | &bfd_abs_section); | |
2380 | ||
2381 | ||
9f32f7c2 SC |
2382 | if (s != (asection *)NULL) { |
2383 | def->value = s->vma; | |
2384 | } | |
2385 | else { | |
2386 | def->value = 0; | |
2387 | } | |
8cb5eb31 SC |
2388 | } |
2389 | } | |
2390 | ||
9f32f7c2 SC |
2391 | /* |
2392 | Create an absolute symbol with the given name with the value of the | |
2393 | address of the first byte after the end of the section named. | |
2394 | ||
2395 | If the symbol already exists, then do nothing. | |
2396 | */ | |
2fa0b342 | 2397 | void |
1418c83b SC |
2398 | DEFUN(lang_abs_symbol_at_end_of,(section, name), |
2399 | CONST char *section AND | |
2400 | CONST char *name) | |
2fa0b342 | 2401 | { |
c660714f | 2402 | if (ldsym_undefined(name)){ |
9f32f7c2 SC |
2403 | asection *s = bfd_get_section_by_name(output_bfd, section); |
2404 | /* Add a symbol called _end */ | |
2405 | asymbol *def = create_symbol(name, | |
c611e285 SC |
2406 | BSF_GLOBAL | BSF_EXPORT , |
2407 | &bfd_abs_section); | |
2408 | ||
9f32f7c2 | 2409 | if (s != (asection *)NULL) { |
c611e285 | 2410 | def->value = s->vma + s->_raw_size; |
9f32f7c2 SC |
2411 | } |
2412 | else { | |
2413 | def->value = 0; | |
2414 | } | |
2fa0b342 DHW |
2415 | } |
2416 | } | |
2417 | ||
2418 | void | |
1418c83b SC |
2419 | DEFUN(lang_statement_append,(list, element, field), |
2420 | lang_statement_list_type *list AND | |
2421 | lang_statement_union_type *element AND | |
2422 | lang_statement_union_type **field) | |
2fa0b342 DHW |
2423 | { |
2424 | *(list->tail) = element; | |
2425 | list->tail = field; | |
2426 | } | |
2427 | ||
097879bc SC |
2428 | /* Set the output format type */ |
2429 | void | |
2430 | DEFUN(lang_add_output_format,(format), | |
2431 | CONST char *format) | |
2432 | { | |
2433 | output_target = format; | |
2434 | } | |
a37cc0c0 | 2435 |