Commit | Line | Data |
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2fa0b342 DHW |
1 | /* Copyright (C) 1991 Free Software Foundation, Inc. |
2 | ||
3 | This file is part of GLD, the Gnu Linker. | |
4 | ||
5 | GLD is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 1, or (at your option) | |
8 | any later version. | |
9 | ||
10 | GLD is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with GLD; see the file COPYING. If not, write to | |
17 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
18 | ||
19 | /* $Id$ | |
20 | * | |
2fa0b342 DHW |
21 | */ |
22 | ||
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 | 44 | /* LOCALS */ |
bfbdc80f SC |
45 | static struct obstack stat_obstack; |
46 | #define obstack_chunk_alloc ldmalloc | |
47 | #define obstack_chunk_free free | |
d4c02e29 SC |
48 | static CONST char *startup_file; |
49 | static lang_statement_list_type input_file_chain; | |
81016051 SC |
50 | |
51 | /* Points to the last statement in the .data section, so we can add | |
52 | stuff to the data section without pain */ | |
53 | static lang_statement_list_type end_of_data_section_statement_list; | |
54 | ||
c611e285 SC |
55 | /* List of statements needed to handle constructors */ |
56 | extern lang_statement_list_type constructor_list; | |
81016051 | 57 | |
d4c02e29 SC |
58 | static boolean placed_commons = false; |
59 | static lang_output_section_statement_type *default_common_section; | |
60 | static boolean map_option_f; | |
61 | static bfd_vma print_dot; | |
62 | static lang_input_statement_type *first_file; | |
63 | static lang_statement_list_type lang_output_section_statement; | |
64 | static CONST char *current_target; | |
65 | static CONST char *output_target; | |
66 | static size_t longest_section_name = 8; | |
67 | static asection common_section; | |
68 | static section_userdata_type common_section_userdata; | |
69 | static lang_statement_list_type statement_list; | |
ffc50032 | 70 | |
2fa0b342 | 71 | /* EXPORTS */ |
c611e285 | 72 | boolean relaxing; |
ffc50032 | 73 | lang_output_section_statement_type *abs_output_section; |
d4c02e29 SC |
74 | lang_statement_list_type *stat_ptr = &statement_list; |
75 | lang_input_statement_type *script_file = 0; | |
76 | boolean option_longmap = false; | |
77 | lang_statement_list_type file_chain = {0}; | |
78 | CONST char *entry_symbol = 0; | |
3f8d46e7 | 79 | bfd_size_type largest_section = 0; |
d4c02e29 SC |
80 | boolean lang_has_input_file = false; |
81 | lang_output_section_statement_type *create_object_symbols = 0; | |
82 | boolean had_output_filename = false; | |
83 | boolean lang_float_flag = false; | |
84 | /* IMPORTS */ | |
85 | extern char *default_target; | |
2fa0b342 | 86 | |
d4c02e29 SC |
87 | extern unsigned int undefined_global_sym_count; |
88 | extern char *current_file; | |
2fa0b342 | 89 | extern bfd *output_bfd; |
2fa0b342 DHW |
90 | extern enum bfd_architecture ldfile_output_architecture; |
91 | extern unsigned long ldfile_output_machine; | |
92 | extern char *ldfile_output_machine_name; | |
2fa0b342 | 93 | extern ldsym_type *symbol_head; |
d4c02e29 | 94 | extern unsigned int commons_pending; |
2fa0b342 DHW |
95 | extern args_type command_line; |
96 | extern ld_config_type config; | |
2fa0b342 | 97 | extern boolean had_script; |
2fa0b342 DHW |
98 | extern boolean write_map; |
99 | ||
100 | ||
2fa0b342 DHW |
101 | #ifdef __STDC__ |
102 | #define cat(a,b) a##b | |
103 | #else | |
104 | #define cat(a,b) a/**/b | |
105 | #endif | |
106 | ||
107 | #define new_stat(x,y) (cat(x,_type)*) new_statement(cat(x,_enum), sizeof(cat(x,_type)),y) | |
108 | ||
109 | #define outside_section_address(q) ( (q)->output_offset + (q)->output_section->vma) | |
110 | ||
111 | #define outside_symbol_address(q) ((q)->value + outside_section_address(q->section)) | |
112 | ||
b648e172 | 113 | void EXFUN(lang_add_data,( int type , union etree_union *exp)); |
81016051 | 114 | |
bfbdc80f SC |
115 | |
116 | PTR | |
117 | DEFUN(stat_alloc,(size), | |
118 | size_t size) | |
119 | { | |
120 | return obstack_alloc(&stat_obstack, size); | |
121 | } | |
3f8d46e7 JG |
122 | static void |
123 | DEFUN(print_size,(value), | |
124 | size_t value) | |
125 | { | |
6fd50a20 | 126 | fprintf(config.map_file, "%5x", (unsigned)value); |
3f8d46e7 JG |
127 | } |
128 | static void | |
129 | DEFUN(print_alignment,(value), | |
130 | unsigned int value) | |
131 | { | |
6fd50a20 | 132 | fprintf(config.map_file, "2**%1u",value); |
3f8d46e7 JG |
133 | } |
134 | static void | |
135 | DEFUN(print_fill,(value), | |
136 | fill_type value) | |
137 | { | |
6fd50a20 | 138 | fprintf(config.map_file, "%04x",(unsigned)value); |
3f8d46e7 JG |
139 | } |
140 | ||
d4c02e29 | 141 | |
3f8d46e7 JG |
142 | static void |
143 | DEFUN(print_section,(name), | |
144 | CONST char *CONST name) | |
145 | { | |
6fd50a20 | 146 | fprintf(config.map_file, "%*s", -longest_section_name, name); |
3f8d46e7 | 147 | } |
2fa0b342 | 148 | |
1418c83b SC |
149 | /*---------------------------------------------------------------------- |
150 | lang_for_each_statement walks the parse tree and calls the provided | |
151 | function for each node | |
152 | */ | |
153 | ||
154 | static void | |
155 | DEFUN(lang_for_each_statement_worker,(func, s), | |
156 | void (*func)() AND | |
157 | lang_statement_union_type *s) | |
158 | { | |
159 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
160 | { | |
161 | func(s); | |
162 | ||
163 | switch (s->header.type) { | |
81016051 SC |
164 | case lang_constructors_statement_enum: |
165 | lang_for_each_statement_worker(func, constructor_list.head); | |
166 | break; | |
1418c83b SC |
167 | case lang_output_section_statement_enum: |
168 | lang_for_each_statement_worker | |
169 | (func, | |
170 | s->output_section_statement.children.head); | |
171 | break; | |
172 | case lang_wild_statement_enum: | |
173 | lang_for_each_statement_worker | |
174 | (func, | |
175 | s->wild_statement.children.head); | |
176 | break; | |
177 | case lang_data_statement_enum: | |
178 | case lang_object_symbols_statement_enum: | |
179 | case lang_output_statement_enum: | |
180 | case lang_target_statement_enum: | |
181 | case lang_input_section_enum: | |
182 | case lang_input_statement_enum: | |
1418c83b SC |
183 | case lang_assignment_statement_enum: |
184 | case lang_padding_statement_enum: | |
185 | case lang_address_statement_enum: | |
186 | break; | |
187 | default: | |
188 | FAIL(); | |
189 | break; | |
190 | } | |
191 | } | |
192 | } | |
193 | ||
194 | void | |
195 | DEFUN(lang_for_each_statement,(func), | |
196 | void (*func)()) | |
197 | { | |
198 | lang_for_each_statement_worker(func, | |
199 | statement_list.head); | |
200 | } | |
201 | /*----------------------------------------------------------------------*/ | |
c611e285 | 202 | void |
1418c83b SC |
203 | DEFUN(lang_list_init,(list), |
204 | lang_statement_list_type *list) | |
2fa0b342 DHW |
205 | { |
206 | list->head = (lang_statement_union_type *)NULL; | |
207 | list->tail = &list->head; | |
208 | } | |
209 | ||
2fa0b342 | 210 | |
1418c83b SC |
211 | /*---------------------------------------------------------------------- |
212 | ||
213 | build a new statement node for the parse tree | |
214 | ||
215 | */ | |
2fa0b342 DHW |
216 | |
217 | static | |
1418c83b SC |
218 | lang_statement_union_type* |
219 | DEFUN(new_statement,(type, size, list), | |
220 | enum statement_enum type AND | |
3f8d46e7 | 221 | bfd_size_type size AND |
1418c83b | 222 | lang_statement_list_type *list) |
2fa0b342 DHW |
223 | { |
224 | lang_statement_union_type *new = (lang_statement_union_type *) | |
bfbdc80f | 225 | stat_alloc(size); |
2fa0b342 DHW |
226 | new->header.type = type; |
227 | new->header.next = (lang_statement_union_type *)NULL; | |
1418c83b | 228 | lang_statement_append(list, new, &new->header.next); |
2fa0b342 DHW |
229 | return new; |
230 | } | |
231 | ||
1418c83b SC |
232 | /* |
233 | Build a new input file node for the language. There are several ways | |
234 | in which we treat an input file, eg, we only look at symbols, or | |
235 | prefix it with a -l etc. | |
236 | ||
237 | We can be supplied with requests for input files more than once; | |
238 | they may, for example be split over serveral lines like foo.o(.text) | |
239 | foo.o(.data) etc, so when asked for a file we check that we havn't | |
240 | got it already so we don't duplicate the bfd. | |
241 | ||
242 | */ | |
2fa0b342 | 243 | static lang_input_statement_type * |
1418c83b SC |
244 | DEFUN(new_afile, (name, file_type, target), |
245 | CONST char *CONST name AND | |
246 | CONST lang_input_file_enum_type file_type AND | |
247 | CONST char *CONST target) | |
2fa0b342 | 248 | { |
dc4726c2 | 249 | |
2fa0b342 DHW |
250 | lang_input_statement_type *p = new_stat(lang_input_statement, |
251 | stat_ptr); | |
252 | lang_has_input_file = true; | |
253 | p->target = target; | |
ee4af9e8 | 254 | p->complained = false; |
2fa0b342 DHW |
255 | switch (file_type) { |
256 | case lang_input_file_is_symbols_only_enum: | |
257 | p->filename = name; | |
258 | p->is_archive =false; | |
259 | p->real = true; | |
260 | p->local_sym_name= name; | |
261 | p->just_syms_flag = true; | |
262 | p->search_dirs_flag = false; | |
263 | break; | |
264 | case lang_input_file_is_fake_enum: | |
265 | p->filename = name; | |
266 | p->is_archive =false; | |
267 | p->real = false; | |
268 | p->local_sym_name= name; | |
269 | p->just_syms_flag = false; | |
270 | p->search_dirs_flag =false; | |
2fa0b342 DHW |
271 | break; |
272 | case lang_input_file_is_l_enum: | |
273 | p->is_archive = true; | |
274 | p->filename = name; | |
275 | p->real = true; | |
276 | p->local_sym_name = concat("-l",name,""); | |
277 | p->just_syms_flag = false; | |
278 | p->search_dirs_flag = true; | |
279 | break; | |
2fa0b342 DHW |
280 | case lang_input_file_is_search_file_enum: |
281 | case lang_input_file_is_marker_enum: | |
282 | p->filename = name; | |
283 | p->is_archive =false; | |
284 | p->real = true; | |
285 | p->local_sym_name= name; | |
286 | p->just_syms_flag = false; | |
287 | p->search_dirs_flag =true; | |
288 | break; | |
2fa0b342 DHW |
289 | case lang_input_file_is_file_enum: |
290 | p->filename = name; | |
291 | p->is_archive =false; | |
292 | p->real = true; | |
293 | p->local_sym_name= name; | |
294 | p->just_syms_flag = false; | |
295 | p->search_dirs_flag =false; | |
296 | break; | |
2fa0b342 DHW |
297 | default: |
298 | FAIL(); | |
299 | } | |
300 | p->asymbols = (asymbol **)NULL; | |
301 | p->superfile = (lang_input_statement_type *)NULL; | |
2fa0b342 DHW |
302 | p->next_real_file = (lang_statement_union_type*)NULL; |
303 | p->next = (lang_statement_union_type*)NULL; | |
304 | p->symbol_count = 0; | |
305 | p->common_output_section = (asection *)NULL; | |
2fa0b342 DHW |
306 | lang_statement_append(&input_file_chain, |
307 | (lang_statement_union_type *)p, | |
308 | &p->next_real_file); | |
309 | return p; | |
310 | } | |
311 | ||
1418c83b SC |
312 | |
313 | ||
2fa0b342 | 314 | lang_input_statement_type * |
1418c83b | 315 | DEFUN(lang_add_input_file,(name, file_type, target), |
1bd1fa2d | 316 | CONST char *name AND |
1418c83b | 317 | lang_input_file_enum_type file_type AND |
1bd1fa2d | 318 | CONST char *target) |
2fa0b342 DHW |
319 | { |
320 | /* Look it up or build a new one */ | |
1418c83b SC |
321 | lang_has_input_file = true; |
322 | #if 0 | |
2fa0b342 DHW |
323 | lang_input_statement_type *p; |
324 | ||
325 | for (p = (lang_input_statement_type *)input_file_chain.head; | |
326 | p != (lang_input_statement_type *)NULL; | |
327 | p = (lang_input_statement_type *)(p->next_real_file)) | |
1418c83b SC |
328 | { |
329 | /* Sometimes we have incomplete entries in here */ | |
330 | if (p->filename != (char *)NULL) { | |
331 | if(strcmp(name,p->filename) == 0) return p; | |
332 | } | |
333 | ||
334 | } | |
335 | #endif | |
2fa0b342 DHW |
336 | return new_afile(name, file_type, target); |
337 | } | |
338 | ||
339 | ||
1418c83b | 340 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 341 | void |
1418c83b | 342 | DEFUN_VOID(lang_init) |
2fa0b342 | 343 | { |
bfbdc80f | 344 | obstack_begin(&stat_obstack, 1000); |
2fa0b342 DHW |
345 | |
346 | stat_ptr= &statement_list; | |
bfbdc80f | 347 | |
2fa0b342 DHW |
348 | lang_list_init(stat_ptr); |
349 | ||
350 | lang_list_init(&input_file_chain); | |
351 | lang_list_init(&lang_output_section_statement); | |
352 | lang_list_init(&file_chain); | |
353 | first_file = lang_add_input_file((char *)NULL, | |
354 | lang_input_file_is_marker_enum, | |
355 | (char *)NULL); | |
bfbdc80f | 356 | abs_output_section = lang_output_section_statement_lookup(BFD_ABS_SECTION_NAME); |
9d1fe8a4 | 357 | |
bfbdc80f | 358 | abs_output_section->bfd_section = &bfd_abs_section; |
9d1fe8a4 | 359 | |
2fa0b342 DHW |
360 | } |
361 | ||
2fa0b342 | 362 | |
1418c83b SC |
363 | /*---------------------------------------------------------------------- |
364 | A region is an area of memory declared with the | |
365 | MEMORY { name:org=exp, len=exp ... } | |
366 | syntax. | |
2fa0b342 | 367 | |
1418c83b | 368 | We maintain a list of all the regions here |
2fa0b342 | 369 | |
1418c83b SC |
370 | If no regions are specified in the script, then the default is used |
371 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
372 | */ |
373 | ||
374 | static lang_memory_region_type *lang_memory_region_list; | |
375 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
376 | ||
377 | lang_memory_region_type * | |
1418c83b SC |
378 | DEFUN(lang_memory_region_lookup,(name), |
379 | CONST char *CONST name) | |
2fa0b342 DHW |
380 | { |
381 | ||
1418c83b SC |
382 | lang_memory_region_type *p = lang_memory_region_list; |
383 | for (p = lang_memory_region_list; | |
384 | p != ( lang_memory_region_type *)NULL; | |
385 | p = p->next) { | |
386 | if (strcmp(p->name, name) == 0) { | |
387 | return p; | |
2fa0b342 | 388 | } |
1418c83b SC |
389 | } |
390 | if (strcmp(name,"*default*")==0) { | |
391 | /* This is the default region, dig out first one on the list */ | |
392 | if (lang_memory_region_list != (lang_memory_region_type*)NULL){ | |
393 | return lang_memory_region_list; | |
2fa0b342 | 394 | } |
1418c83b | 395 | } |
2fa0b342 | 396 | { |
1418c83b | 397 | lang_memory_region_type *new = |
bfbdc80f | 398 | (lang_memory_region_type *)stat_alloc((bfd_size_type)(sizeof(lang_memory_region_type))); |
1418c83b SC |
399 | new->name = buystring(name); |
400 | new->next = (lang_memory_region_type *)NULL; | |
401 | ||
402 | *lang_memory_region_list_tail = new; | |
403 | lang_memory_region_list_tail = &new->next; | |
404 | new->origin = 0; | |
405 | new->length = ~0; | |
406 | new->current = 0; | |
9d1fe8a4 SC |
407 | new->had_full_message = false; |
408 | ||
1418c83b | 409 | return new; |
2fa0b342 DHW |
410 | } |
411 | } | |
412 | ||
413 | ||
2fa0b342 | 414 | lang_output_section_statement_type * |
1418c83b SC |
415 | DEFUN(lang_output_section_find,(name), |
416 | CONST char * CONST name) | |
2fa0b342 DHW |
417 | { |
418 | lang_statement_union_type *u; | |
419 | lang_output_section_statement_type *lookup; | |
420 | ||
421 | for (u = lang_output_section_statement.head; | |
422 | u != (lang_statement_union_type *)NULL; | |
423 | u = lookup->next) | |
1418c83b SC |
424 | { |
425 | lookup = &u->output_section_statement; | |
426 | if (strcmp(name, lookup->name)==0) { | |
427 | return lookup; | |
428 | } | |
2fa0b342 | 429 | } |
2fa0b342 DHW |
430 | return (lang_output_section_statement_type *)NULL; |
431 | } | |
432 | ||
433 | lang_output_section_statement_type * | |
1418c83b SC |
434 | DEFUN(lang_output_section_statement_lookup,(name), |
435 | CONST char * CONST name) | |
2fa0b342 DHW |
436 | { |
437 | lang_output_section_statement_type *lookup; | |
438 | lookup =lang_output_section_find(name); | |
439 | if (lookup == (lang_output_section_statement_type *)NULL) { | |
440 | ||
441 | lookup =(lang_output_section_statement_type *) | |
442 | new_stat(lang_output_section_statement, stat_ptr); | |
443 | lookup->region = (lang_memory_region_type *)NULL; | |
444 | lookup->fill = 0; | |
445 | lookup->block_value = 1; | |
446 | lookup->name = name; | |
447 | ||
448 | lookup->next = (lang_statement_union_type*)NULL; | |
449 | lookup->bfd_section = (asection *)NULL; | |
450 | lookup->processed = false; | |
451 | lookup->addr_tree = (etree_type *)NULL; | |
452 | lang_list_init(&lookup->children); | |
453 | ||
454 | lang_statement_append(&lang_output_section_statement, | |
455 | (lang_statement_union_type *)lookup, | |
456 | &lookup->next); | |
457 | } | |
458 | return lookup; | |
459 | } | |
460 | ||
461 | ||
462 | ||
463 | ||
9d1fe8a4 | 464 | /*ARGSUSED*/ |
2fa0b342 | 465 | static void |
6fd50a20 | 466 | DEFUN(print_flags, ( ignore_flags), |
7bc4a0d7 | 467 | int *ignore_flags) |
2fa0b342 | 468 | { |
6fd50a20 | 469 | fprintf(config.map_file, "("); |
2fa0b342 DHW |
470 | #if 0 |
471 | if (flags->flag_read) fprintf(outfile,"R"); | |
472 | if (flags->flag_write) fprintf(outfile,"W"); | |
473 | if (flags->flag_executable) fprintf(outfile,"X"); | |
474 | if (flags->flag_loadable) fprintf(outfile,"L"); | |
475 | #endif | |
6fd50a20 | 476 | fprintf(config.map_file, ")"); |
2fa0b342 DHW |
477 | } |
478 | ||
479 | void | |
6fd50a20 | 480 | DEFUN_VOID(lang_map) |
2fa0b342 DHW |
481 | { |
482 | lang_memory_region_type *m; | |
6fd50a20 | 483 | fprintf(config.map_file,"**MEMORY CONFIGURATION**\n\n"); |
48491e2e | 484 | #ifdef HOST_64_BIT |
6fd50a20 | 485 | fprintf(config.map_file,"name\t\torigin\t\tlength\t\tattributes\n"); |
48491e2e | 486 | #else |
6fd50a20 | 487 | fprintf(config.map_file,"name\t\torigin length\t\tattributes\n"); |
48491e2e | 488 | #endif |
2fa0b342 DHW |
489 | for (m = lang_memory_region_list; |
490 | m != (lang_memory_region_type *)NULL; | |
491 | m = m->next) | |
492 | { | |
6fd50a20 | 493 | fprintf(config.map_file,"%-16s", m->name); |
3f8d46e7 JG |
494 | print_address(m->origin); |
495 | print_space(); | |
496 | print_address(m->length); | |
497 | print_space(); | |
6fd50a20 SC |
498 | print_flags( &m->flags); |
499 | fprintf(config.map_file,"\n"); | |
2fa0b342 | 500 | } |
6fd50a20 SC |
501 | fprintf(config.map_file,"\n\n**LINK EDITOR MEMORY MAP**\n\n"); |
502 | fprintf(config.map_file,"output input virtual\n"); | |
503 | fprintf(config.map_file,"section section address tsize\n\n"); | |
2fa0b342 DHW |
504 | |
505 | print_statements(); | |
506 | ||
507 | } | |
508 | ||
509 | /* | |
510 | * | |
511 | */ | |
1418c83b SC |
512 | static void |
513 | DEFUN(init_os,(s), | |
514 | lang_output_section_statement_type *s) | |
2fa0b342 | 515 | { |
9d1fe8a4 SC |
516 | /* asection *section = bfd_get_section_by_name(output_bfd, s->name);*/ |
517 | section_userdata_type *new = | |
518 | (section_userdata_type *) | |
bfbdc80f | 519 | stat_alloc((bfd_size_type)(sizeof(section_userdata_type))); |
2fa0b342 | 520 | |
aeedc30e PB |
521 | s->bfd_section = bfd_get_section_by_name(output_bfd, s->name); |
522 | if (s->bfd_section == (asection *)NULL) | |
9d1fe8a4 | 523 | s->bfd_section = bfd_make_section(output_bfd, s->name); |
357a1f38 | 524 | if (s->bfd_section == (asection *)NULL) { |
9d1fe8a4 SC |
525 | einfo("%P%F output format %s cannot represent section called %s\n", |
526 | output_bfd->xvec->name, s->name); | |
527 | } | |
2fa0b342 | 528 | s->bfd_section->output_section = s->bfd_section; |
9d1fe8a4 | 529 | /* s->bfd_section->flags = s->flags;*/ |
7bc4a0d7 | 530 | |
2fa0b342 DHW |
531 | /* We initialize an output sections output offset to minus its own */ |
532 | /* vma to allow us to output a section through itself */ | |
533 | s->bfd_section->output_offset = 0; | |
a0ad3035 | 534 | get_userdata( s->bfd_section) = (PTR)new; |
c611e285 | 535 | |
2fa0b342 DHW |
536 | } |
537 | ||
1418c83b SC |
538 | /*********************************************************************** |
539 | The wild routines. | |
540 | ||
541 | These expand statements like *(.text) and foo.o to a list of | |
542 | explicit actions, like foo.o(.text), bar.o(.text) and | |
543 | foo.o(.text,.data) . | |
544 | ||
545 | The toplevel routine, wild, takes a statement, section, file and | |
546 | target. If either the section or file is null it is taken to be the | |
547 | wildcard. Seperate lang_input_section statements are created for | |
548 | each part of the expanstion, and placed after the statement provided. | |
549 | ||
550 | */ | |
551 | ||
2fa0b342 | 552 | static void |
1418c83b SC |
553 | DEFUN(wild_doit,(ptr, section, output, file), |
554 | lang_statement_list_type *ptr AND | |
555 | asection *section AND | |
556 | lang_output_section_statement_type *output AND | |
557 | lang_input_statement_type *file) | |
2fa0b342 DHW |
558 | { |
559 | if(output->bfd_section == (asection *)NULL) | |
560 | { | |
561 | init_os(output); | |
562 | } | |
563 | ||
564 | if (section != (asection *)NULL | |
565 | && section->output_section == (asection *)NULL) { | |
566 | /* Add a section reference to the list */ | |
567 | lang_input_section_type *new = new_stat(lang_input_section, ptr); | |
568 | ||
569 | new->section = section; | |
570 | new->ifile = file; | |
571 | section->output_section = output->bfd_section; | |
572 | section->output_section->flags |= section->flags; | |
573 | if (section->alignment_power > output->bfd_section->alignment_power) { | |
574 | output->bfd_section->alignment_power = section->alignment_power; | |
575 | } | |
2fa0b342 DHW |
576 | } |
577 | } | |
578 | ||
579 | static asection * | |
1418c83b SC |
580 | DEFUN(our_bfd_get_section_by_name,(abfd, section), |
581 | bfd *abfd AND | |
582 | CONST char *section) | |
2fa0b342 DHW |
583 | { |
584 | return bfd_get_section_by_name(abfd, section); | |
2fa0b342 | 585 | } |
1418c83b | 586 | |
2fa0b342 | 587 | static void |
1418c83b SC |
588 | DEFUN(wild_section,(ptr, section, file , output), |
589 | lang_wild_statement_type *ptr AND | |
590 | CONST char *section AND | |
591 | lang_input_statement_type *file AND | |
592 | lang_output_section_statement_type *output) | |
2fa0b342 DHW |
593 | { |
594 | asection *s; | |
1418c83b SC |
595 | if (file->just_syms_flag == false) { |
596 | if (section == (char *)NULL) { | |
597 | /* Do the creation to all sections in the file */ | |
598 | for (s = file->the_bfd->sections; s != (asection *)NULL; s=s->next) { | |
599 | wild_doit(&ptr->children, s, output, file); | |
600 | } | |
601 | } | |
602 | else { | |
603 | /* Do the creation to the named section only */ | |
604 | wild_doit(&ptr->children, | |
605 | our_bfd_get_section_by_name(file->the_bfd, section), | |
606 | output, file); | |
2fa0b342 DHW |
607 | } |
608 | } | |
2fa0b342 DHW |
609 | } |
610 | ||
611 | ||
1418c83b SC |
612 | /* passed a file name (which must have been seen already and added to |
613 | the statement tree. We will see if it has been opened already and | |
614 | had its symbols read. If not then we'll read it. | |
2fa0b342 | 615 | |
1418c83b SC |
616 | Archives are pecuilar here. We may open them once, but if they do |
617 | not define anything we need at the time, they won't have all their | |
618 | symbols read. If we need them later, we'll have to redo it. | |
619 | */ | |
2fa0b342 | 620 | static |
1418c83b SC |
621 | lang_input_statement_type * |
622 | DEFUN(lookup_name,(name), | |
623 | CONST char * CONST name) | |
2fa0b342 DHW |
624 | { |
625 | lang_input_statement_type *search; | |
626 | for(search = (lang_input_statement_type *)input_file_chain.head; | |
627 | search != (lang_input_statement_type *)NULL; | |
628 | search = (lang_input_statement_type *)search->next_real_file) | |
1418c83b SC |
629 | { |
630 | if (search->filename == (char *)NULL && name == (char *)NULL) { | |
2fa0b342 DHW |
631 | return search; |
632 | } | |
1418c83b SC |
633 | if (search->filename != (char *)NULL && name != (char *)NULL) { |
634 | if (strcmp(search->filename, name) == 0) { | |
635 | ldmain_open_file_read_symbol(search); | |
636 | return search; | |
637 | } | |
638 | } | |
2fa0b342 | 639 | } |
2fa0b342 | 640 | |
1418c83b SC |
641 | /* There isn't an afile entry for this file yet, this must be |
642 | because the name has only appeared inside a load script and not | |
643 | on the command line */ | |
644 | search = new_afile(name, lang_input_file_is_file_enum, default_target); | |
645 | ldmain_open_file_read_symbol(search); | |
2fa0b342 | 646 | return search; |
1418c83b SC |
647 | |
648 | ||
2fa0b342 DHW |
649 | } |
650 | ||
651 | static void | |
1418c83b SC |
652 | DEFUN(wild,(s, section, file, target, output), |
653 | lang_wild_statement_type *s AND | |
654 | CONST char *CONST section AND | |
655 | CONST char *CONST file AND | |
656 | CONST char *CONST target AND | |
657 | lang_output_section_statement_type *output) | |
2fa0b342 DHW |
658 | { |
659 | lang_input_statement_type *f; | |
660 | if (file == (char *)NULL) { | |
661 | /* Perform the iteration over all files in the list */ | |
662 | for (f = (lang_input_statement_type *)file_chain.head; | |
663 | f != (lang_input_statement_type *)NULL; | |
664 | f = (lang_input_statement_type *)f->next) { | |
665 | wild_section(s, section, f, output); | |
666 | } | |
667 | } | |
668 | else { | |
669 | /* Perform the iteration over a single file */ | |
1418c83b | 670 | wild_section( s, section, lookup_name(file), output); |
2fa0b342 | 671 | } |
b0f36869 SC |
672 | if (section != (char *)NULL |
673 | && strcmp(section,"COMMON") == 0 | |
1418c83b SC |
674 | && default_common_section == (lang_output_section_statement_type*)NULL) |
675 | { | |
676 | /* Remember the section that common is going to incase we later | |
677 | get something which doesn't know where to put it */ | |
678 | default_common_section = output; | |
679 | } | |
2fa0b342 DHW |
680 | } |
681 | ||
682 | /* | |
683 | read in all the files | |
684 | */ | |
685 | static bfd * | |
097879bc SC |
686 | DEFUN(open_output,(name), |
687 | CONST char *CONST name) | |
2fa0b342 | 688 | { |
1418c83b | 689 | extern CONST char *output_filename; |
097879bc SC |
690 | bfd *output; |
691 | if (output_target == (char *)NULL) { | |
692 | if (current_target != (char *)NULL) | |
693 | output_target = current_target; | |
694 | else | |
695 | output_target = default_target; | |
696 | } | |
697 | output = bfd_openw(name, output_target); | |
2fa0b342 | 698 | output_filename = name; |
097879bc | 699 | |
2fa0b342 | 700 | if (output == (bfd *)NULL) |
1418c83b SC |
701 | { |
702 | if (bfd_error == invalid_target) { | |
c611e285 | 703 | einfo("%P%F target %s not found\n", output_target); |
1418c83b | 704 | } |
c611e285 | 705 | einfo("%P%F problem opening output file %s, %E", name); |
2fa0b342 | 706 | } |
2fa0b342 | 707 | |
c611e285 | 708 | /* output->flags |= D_PAGED;*/ |
2fa0b342 DHW |
709 | bfd_set_format(output, bfd_object); |
710 | return output; | |
711 | } | |
1418c83b SC |
712 | |
713 | ||
097879bc | 714 | |
1418c83b | 715 | |
2fa0b342 | 716 | static void |
1418c83b SC |
717 | DEFUN(ldlang_open_output,(statement), |
718 | lang_statement_union_type *statement) | |
2fa0b342 | 719 | { |
1418c83b SC |
720 | switch (statement->header.type) |
721 | { | |
722 | case lang_output_statement_enum: | |
097879bc | 723 | output_bfd = open_output(statement->output_statement.name); |
2fa0b342 | 724 | ldemul_set_output_arch(); |
aeedc30e | 725 | if (config.magic_demand_paged && !config.relocateable_output) |
c611e285 | 726 | output_bfd->flags |= D_PAGED; |
aeedc30e PB |
727 | else |
728 | output_bfd->flags &= ~D_PAGED; | |
729 | if (config.text_read_only) | |
730 | output_bfd->flags |= WP_TEXT; | |
731 | else | |
732 | output_bfd->flags &= ~WP_TEXT; | |
2fa0b342 | 733 | break; |
1418c83b | 734 | |
2fa0b342 | 735 | case lang_target_statement_enum: |
1418c83b | 736 | current_target = statement->target_statement.target; |
2fa0b342 | 737 | break; |
1418c83b | 738 | default: |
2fa0b342 | 739 | break; |
1418c83b SC |
740 | } |
741 | } | |
2fa0b342 | 742 | |
1418c83b SC |
743 | static void |
744 | DEFUN(open_input_bfds,(statement), | |
745 | lang_statement_union_type *statement) | |
746 | { | |
747 | switch (statement->header.type) | |
748 | { | |
749 | case lang_target_statement_enum: | |
750 | current_target = statement->target_statement.target; | |
2fa0b342 | 751 | break; |
1418c83b SC |
752 | case lang_wild_statement_enum: |
753 | /* Maybe we should load the file's symbols */ | |
754 | if (statement->wild_statement.filename) | |
755 | { | |
756 | (void) lookup_name(statement->wild_statement.filename); | |
757 | } | |
2fa0b342 | 758 | break; |
1418c83b SC |
759 | case lang_input_statement_enum: |
760 | if (statement->input_statement.real == true) | |
761 | { | |
762 | statement->input_statement.target = current_target; | |
763 | lookup_name(statement->input_statement.filename); | |
764 | } | |
2fa0b342 | 765 | break; |
1418c83b | 766 | default: |
2fa0b342 DHW |
767 | break; |
768 | } | |
2fa0b342 | 769 | } |
2fa0b342 DHW |
770 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
771 | ||
772 | static void | |
773 | lang_reasonable_defaults() | |
774 | { | |
ffc50032 | 775 | |
ffc50032 SC |
776 | |
777 | ||
1418c83b | 778 | #if 0 |
8cb5eb31 SC |
779 | lang_output_section_statement_lookup(".text"); |
780 | lang_output_section_statement_lookup(".data"); | |
781 | ||
2fa0b342 DHW |
782 | default_common_section = |
783 | lang_output_section_statement_lookup(".bss"); | |
8cb5eb31 | 784 | |
1418c83b | 785 | |
2fa0b342 DHW |
786 | if (placed_commons == false) { |
787 | lang_wild_statement_type *new = | |
788 | new_stat(lang_wild_statement, | |
789 | &default_common_section->children); | |
790 | new->section_name = "COMMON"; | |
791 | new->filename = (char *)NULL; | |
792 | lang_list_init(&new->children); | |
793 | } | |
1418c83b | 794 | #endif |
8cb5eb31 | 795 | |
2fa0b342 DHW |
796 | } |
797 | ||
1418c83b SC |
798 | /* |
799 | Add the supplied name to the symbol table as an undefined reference. | |
800 | Remove items from the chain as we open input bfds | |
801 | */ | |
f177a611 JG |
802 | typedef struct ldlang_undef_chain_list { |
803 | struct ldlang_undef_chain_list *next; | |
1418c83b SC |
804 | char *name; |
805 | } ldlang_undef_chain_list_type; | |
806 | ||
807 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
808 | ||
809 | void | |
810 | DEFUN(ldlang_add_undef,(name), | |
811 | CONST char *CONST name) | |
2fa0b342 | 812 | { |
1418c83b SC |
813 | ldlang_undef_chain_list_type *new = |
814 | (ldlang_undef_chain_list_type | |
bfbdc80f | 815 | *)stat_alloc((bfd_size_type)(sizeof(ldlang_undef_chain_list_type))); |
1418c83b SC |
816 | |
817 | new->next = ldlang_undef_chain_list_head; | |
818 | ldlang_undef_chain_list_head = new; | |
819 | ||
820 | new->name = buystring(name); | |
821 | } | |
822 | /* Run through the list of undefineds created above and place them | |
823 | into the linker hash table as undefined symbols belonging to the | |
824 | script file. | |
825 | */ | |
826 | static void | |
827 | DEFUN_VOID(lang_place_undefineds) | |
828 | { | |
829 | ldlang_undef_chain_list_type *ptr = ldlang_undef_chain_list_head; | |
830 | while (ptr != (ldlang_undef_chain_list_type*)NULL) { | |
1418c83b | 831 | asymbol *def; |
bfbdc80f | 832 | asymbol **def_ptr = (asymbol **)stat_alloc((bfd_size_type)(sizeof(asymbol **))); |
1418c83b SC |
833 | def = (asymbol *)bfd_make_empty_symbol(script_file->the_bfd); |
834 | *def_ptr= def; | |
835 | def->name = ptr->name; | |
c611e285 | 836 | def->section = &bfd_und_section; |
ee4af9e8 | 837 | Q_enter_global_ref(def_ptr, ptr->name); |
1418c83b | 838 | ptr = ptr->next; |
2fa0b342 | 839 | } |
1418c83b | 840 | } |
2fa0b342 | 841 | |
1418c83b SC |
842 | |
843 | ||
844 | /* Copy important data from out internal form to the bfd way. Also | |
845 | create a section for the dummy file | |
846 | */ | |
847 | ||
848 | static void | |
849 | DEFUN_VOID(lang_create_output_section_statements) | |
850 | { | |
851 | lang_statement_union_type*os; | |
852 | for (os = lang_output_section_statement.head; | |
853 | os != (lang_statement_union_type*)NULL; | |
854 | os = os->output_section_statement.next) { | |
855 | lang_output_section_statement_type *s = | |
856 | &os->output_section_statement; | |
857 | init_os(s); | |
858 | } | |
859 | ||
860 | } | |
861 | ||
862 | static void | |
863 | DEFUN_VOID(lang_init_script_file) | |
864 | { | |
865 | script_file = lang_add_input_file("script file", | |
866 | lang_input_file_is_fake_enum, | |
867 | (char *)NULL); | |
868 | script_file->the_bfd = bfd_create("script file", output_bfd); | |
869 | script_file->symbol_count = 0; | |
870 | script_file->the_bfd->sections = output_bfd->sections; | |
9d1fe8a4 SC |
871 | abs_output_section = lang_output_section_statement_lookup(BFD_ABS_SECTION_NAME); |
872 | ||
873 | abs_output_section->bfd_section = &bfd_abs_section; | |
874 | ||
2fa0b342 DHW |
875 | } |
876 | ||
877 | ||
1418c83b SC |
878 | |
879 | ||
2fa0b342 DHW |
880 | /* Open input files and attatch to output sections */ |
881 | static void | |
1418c83b SC |
882 | DEFUN(map_input_to_output_sections,(s, target, output_section_statement), |
883 | lang_statement_union_type *s AND | |
884 | CONST char *target AND | |
885 | lang_output_section_statement_type *output_section_statement) | |
2fa0b342 DHW |
886 | { |
887 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
888 | { | |
889 | switch (s->header.type) { | |
81016051 SC |
890 | |
891 | ||
2fa0b342 DHW |
892 | case lang_wild_statement_enum: |
893 | wild(&s->wild_statement, s->wild_statement.section_name, | |
894 | s->wild_statement.filename, target, | |
895 | output_section_statement); | |
896 | ||
897 | break; | |
81016051 SC |
898 | case lang_constructors_statement_enum: |
899 | map_input_to_output_sections(constructor_list.head, | |
900 | target, | |
901 | output_section_statement); | |
902 | break; | |
2fa0b342 | 903 | case lang_output_section_statement_enum: |
1418c83b | 904 | map_input_to_output_sections(s->output_section_statement.children.head, |
2fa0b342 DHW |
905 | target, |
906 | &s->output_section_statement); | |
907 | break; | |
908 | case lang_output_statement_enum: | |
909 | break; | |
910 | case lang_target_statement_enum: | |
911 | target = s->target_statement.target; | |
912 | break; | |
2fa0b342 DHW |
913 | case lang_fill_statement_enum: |
914 | case lang_input_section_enum: | |
915 | case lang_object_symbols_statement_enum: | |
916 | case lang_data_statement_enum: | |
1418c83b SC |
917 | case lang_assignment_statement_enum: |
918 | case lang_padding_statement_enum: | |
2fa0b342 DHW |
919 | break; |
920 | case lang_afile_asection_pair_statement_enum: | |
921 | FAIL(); | |
922 | break; | |
2fa0b342 DHW |
923 | case lang_address_statement_enum: |
924 | /* Mark the specified section with the supplied address */ | |
925 | { | |
926 | lang_output_section_statement_type *os = | |
927 | lang_output_section_statement_lookup | |
928 | (s->address_statement.section_name); | |
929 | os->addr_tree = s->address_statement.address; | |
48491e2e | 930 | if (os->bfd_section == (asection *)NULL) { |
c611e285 SC |
931 | einfo("%P%F can't set the address of undefined section %s\n", |
932 | s->address_statement.section_name); | |
48491e2e | 933 | } |
2fa0b342 DHW |
934 | } |
935 | break; | |
936 | case lang_input_statement_enum: | |
937 | /* A standard input statement, has no wildcards */ | |
1418c83b | 938 | /* ldmain_open_file_read_symbol(&s->input_statement);*/ |
2fa0b342 DHW |
939 | break; |
940 | } | |
941 | } | |
942 | } | |
943 | ||
944 | ||
945 | ||
946 | ||
947 | ||
948 | static void | |
1418c83b SC |
949 | DEFUN(print_output_section_statement,(output_section_statement), |
950 | lang_output_section_statement_type *output_section_statement) | |
2fa0b342 DHW |
951 | { |
952 | asection *section = output_section_statement->bfd_section; | |
953 | print_nl(); | |
954 | print_section(output_section_statement->name); | |
955 | ||
956 | if (section) { | |
957 | print_dot = section->vma; | |
958 | print_space(); | |
959 | print_section(""); | |
960 | print_space(); | |
961 | print_address(section->vma); | |
962 | print_space(); | |
c611e285 | 963 | print_size(bfd_get_section_size_before_reloc(section)); |
2fa0b342 DHW |
964 | print_space(); |
965 | print_alignment(section->alignment_power); | |
966 | print_space(); | |
967 | #if 0 | |
6fd50a20 | 968 | fprintf(config.map_file, "%s flags", output_section_statement->region->name); |
2fa0b342 DHW |
969 | print_flags(stdout, &output_section_statement->flags); |
970 | #endif | |
7bc4a0d7 | 971 | if (section->flags & SEC_LOAD) |
6fd50a20 | 972 | fprintf(config.map_file, "load "); |
7bc4a0d7 | 973 | if (section->flags & SEC_ALLOC) |
6fd50a20 | 974 | fprintf(config.map_file, "alloc "); |
7bc4a0d7 | 975 | if (section->flags & SEC_RELOC) |
6fd50a20 | 976 | fprintf(config.map_file, "reloc "); |
7bc4a0d7 | 977 | if (section->flags & SEC_HAS_CONTENTS) |
6fd50a20 | 978 | fprintf(config.map_file, "contents "); |
2fa0b342 DHW |
979 | |
980 | } | |
981 | else { | |
6fd50a20 | 982 | fprintf(config.map_file, "No attached output section"); |
2fa0b342 DHW |
983 | } |
984 | print_nl(); | |
985 | print_statement(output_section_statement->children.head, | |
986 | output_section_statement); | |
987 | ||
988 | } | |
989 | ||
990 | static void | |
1418c83b SC |
991 | DEFUN(print_assignment,(assignment, output_section), |
992 | lang_assignment_statement_type *assignment AND | |
993 | lang_output_section_statement_type *output_section) | |
2fa0b342 DHW |
994 | { |
995 | etree_value_type result; | |
996 | print_section(""); | |
997 | print_space(); | |
998 | print_section(""); | |
999 | print_space(); | |
1000 | print_address(print_dot); | |
1001 | print_space(); | |
1002 | result = exp_fold_tree(assignment->exp->assign.src, | |
1003 | output_section, | |
1004 | lang_final_phase_enum, | |
1005 | print_dot, | |
1006 | &print_dot); | |
1007 | ||
1008 | if (result.valid) { | |
1009 | print_address(result.value); | |
1010 | } | |
1011 | else | |
1418c83b | 1012 | { |
6fd50a20 | 1013 | fprintf(config.map_file, "*undefined*"); |
1418c83b | 1014 | } |
2fa0b342 | 1015 | print_space(); |
6fd50a20 | 1016 | exp_print_tree(assignment->exp); |
dcde00c4 | 1017 | |
6fd50a20 | 1018 | fprintf(config.map_file, "\n"); |
2fa0b342 DHW |
1019 | } |
1020 | ||
1021 | static void | |
1418c83b SC |
1022 | DEFUN(print_input_statement,(statm), |
1023 | lang_input_statement_type *statm) | |
2fa0b342 | 1024 | { |
070aa819 | 1025 | if (statm->filename != (char *)NULL) { |
6fd50a20 | 1026 | fprintf(config.map_file, "LOAD %s\n",statm->filename); |
070aa819 | 1027 | } |
2fa0b342 DHW |
1028 | } |
1029 | ||
1418c83b SC |
1030 | static void |
1031 | DEFUN(print_symbol,(q), | |
1032 | asymbol *q) | |
2fa0b342 DHW |
1033 | { |
1034 | print_section(""); | |
6fd50a20 | 1035 | fprintf(config.map_file, " "); |
2fa0b342 | 1036 | print_section(""); |
6fd50a20 | 1037 | fprintf(config.map_file, " "); |
2fa0b342 | 1038 | print_address(outside_symbol_address(q)); |
6fd50a20 | 1039 | fprintf(config.map_file, " %s", q->name ? q->name : " "); |
2fa0b342 DHW |
1040 | print_nl(); |
1041 | } | |
1418c83b | 1042 | |
2fa0b342 | 1043 | static void |
1418c83b SC |
1044 | DEFUN(print_input_section,(in), |
1045 | lang_input_section_type *in) | |
2fa0b342 DHW |
1046 | { |
1047 | asection *i = in->section; | |
aa34a7c3 | 1048 | int size = i->reloc_done ? |
c611e285 SC |
1049 | bfd_get_section_size_after_reloc(i) : |
1050 | bfd_get_section_size_before_reloc(i); | |
1051 | ||
2fa0b342 | 1052 | |
c611e285 | 1053 | if(size != 0) { |
2fa0b342 | 1054 | print_section(""); |
6fd50a20 | 1055 | fprintf(config.map_file, " "); |
2fa0b342 | 1056 | print_section(i->name); |
6fd50a20 | 1057 | fprintf(config.map_file, " "); |
2fa0b342 DHW |
1058 | if (i->output_section) { |
1059 | print_address(i->output_section->vma + i->output_offset); | |
6fd50a20 | 1060 | fprintf(config.map_file, " "); |
c611e285 | 1061 | print_size(size); |
6fd50a20 | 1062 | fprintf(config.map_file, " "); |
2fa0b342 | 1063 | print_alignment(i->alignment_power); |
6fd50a20 | 1064 | fprintf(config.map_file, " "); |
2fa0b342 | 1065 | if (in->ifile) { |
1418c83b | 1066 | |
2fa0b342 | 1067 | bfd *abfd = in->ifile->the_bfd; |
1418c83b | 1068 | if (in->ifile->just_syms_flag == true) { |
6fd50a20 | 1069 | fprintf(config.map_file, "symbols only "); |
1418c83b SC |
1070 | } |
1071 | ||
6fd50a20 | 1072 | fprintf(config.map_file, " %s ",abfd->xvec->name); |
2fa0b342 | 1073 | if(abfd->my_archive != (bfd *)NULL) { |
6fd50a20 | 1074 | fprintf(config.map_file, "[%s]%s", abfd->my_archive->filename, |
2fa0b342 DHW |
1075 | abfd->filename); |
1076 | } | |
1077 | else { | |
6fd50a20 | 1078 | fprintf(config.map_file, "%s", abfd->filename); |
2fa0b342 | 1079 | } |
6fd50a20 | 1080 | fprintf(config.map_file, "(overhead %d bytes)", (int)bfd_alloc_size(abfd)); |
2fa0b342 DHW |
1081 | print_nl(); |
1082 | ||
1083 | /* Find all the symbols in this file defined in this section */ | |
ee4af9e8 | 1084 | if (in->ifile->symbol_count) |
1418c83b SC |
1085 | { |
1086 | asymbol **p; | |
1087 | for (p = in->ifile->asymbols; *p; p++) { | |
1088 | asymbol *q = *p; | |
2fa0b342 | 1089 | |
1418c83b SC |
1090 | if (bfd_get_section(q) == i && q->flags & BSF_GLOBAL) { |
1091 | print_symbol(q); | |
1092 | } | |
2fa0b342 DHW |
1093 | } |
1094 | } | |
2fa0b342 DHW |
1095 | } |
1096 | else { | |
1097 | print_nl(); | |
1098 | } | |
1099 | ||
1100 | ||
c611e285 | 1101 | print_dot = outside_section_address(i) + size; |
2fa0b342 DHW |
1102 | } |
1103 | else { | |
6fd50a20 | 1104 | fprintf(config.map_file, "No output section allocated\n"); |
2fa0b342 DHW |
1105 | } |
1106 | } | |
1107 | } | |
2fa0b342 | 1108 | |
2fa0b342 | 1109 | static void |
1418c83b SC |
1110 | DEFUN(print_fill_statement,(fill), |
1111 | lang_fill_statement_type *fill) | |
2fa0b342 | 1112 | { |
6fd50a20 | 1113 | fprintf(config.map_file, "FILL mask "); |
2fa0b342 DHW |
1114 | print_fill( fill->fill); |
1115 | } | |
1116 | ||
1117 | static void | |
1418c83b SC |
1118 | DEFUN(print_data_statement,(data), |
1119 | lang_data_statement_type *data) | |
2fa0b342 DHW |
1120 | { |
1121 | /* bfd_vma value; */ | |
1122 | print_section(""); | |
1123 | print_space(); | |
1124 | print_section(""); | |
1125 | print_space(); | |
65c552e3 | 1126 | /* ASSERT(print_dot == data->output_vma);*/ |
2fa0b342 | 1127 | |
aa34a7c3 | 1128 | print_address(data->output_vma + data->output_section->vma); |
2fa0b342 DHW |
1129 | print_space(); |
1130 | print_address(data->value); | |
1131 | print_space(); | |
1132 | switch (data->type) { | |
1133 | case BYTE : | |
6fd50a20 | 1134 | fprintf(config.map_file, "BYTE "); |
2fa0b342 DHW |
1135 | print_dot += BYTE_SIZE; |
1136 | break; | |
1137 | case SHORT: | |
6fd50a20 | 1138 | fprintf(config.map_file, "SHORT "); |
2fa0b342 DHW |
1139 | print_dot += SHORT_SIZE; |
1140 | break; | |
1141 | case LONG: | |
6fd50a20 | 1142 | fprintf(config.map_file, "LONG "); |
2fa0b342 DHW |
1143 | print_dot += LONG_SIZE; |
1144 | break; | |
1145 | } | |
1146 | ||
6fd50a20 | 1147 | exp_print_tree(data->exp); |
2fa0b342 | 1148 | |
6fd50a20 | 1149 | fprintf(config.map_file, "\n"); |
2fa0b342 DHW |
1150 | } |
1151 | ||
1152 | ||
1153 | static void | |
1418c83b SC |
1154 | DEFUN(print_padding_statement,(s), |
1155 | lang_padding_statement_type *s) | |
2fa0b342 DHW |
1156 | { |
1157 | print_section(""); | |
1158 | print_space(); | |
1159 | print_section("*fill*"); | |
1160 | print_space(); | |
1161 | print_address(s->output_offset + s->output_section->vma); | |
1162 | print_space(); | |
1163 | print_size(s->size); | |
1164 | print_space(); | |
1165 | print_fill(s->fill); | |
1166 | print_nl(); | |
ffc50032 | 1167 | |
aa34a7c3 | 1168 | print_dot = s->output_offset + s->output_section->vma + s->size; |
ffc50032 | 1169 | |
2fa0b342 DHW |
1170 | } |
1171 | ||
1418c83b SC |
1172 | static void |
1173 | DEFUN(print_wild_statement,(w,os), | |
1174 | lang_wild_statement_type *w AND | |
1175 | lang_output_section_statement_type *os) | |
2fa0b342 | 1176 | { |
6fd50a20 | 1177 | fprintf(config.map_file, " from "); |
2fa0b342 | 1178 | if (w->filename != (char *)NULL) { |
6fd50a20 | 1179 | fprintf(config.map_file, "%s",w->filename); |
2fa0b342 DHW |
1180 | } |
1181 | else { | |
6fd50a20 | 1182 | fprintf(config.map_file, "*"); |
2fa0b342 DHW |
1183 | } |
1184 | if (w->section_name != (char *)NULL) { | |
6fd50a20 | 1185 | fprintf(config.map_file, "(%s)",w->section_name); |
2fa0b342 DHW |
1186 | } |
1187 | else { | |
6fd50a20 | 1188 | fprintf(config.map_file, "(*)"); |
2fa0b342 DHW |
1189 | } |
1190 | print_nl(); | |
1191 | print_statement(w->children.head, os); | |
1192 | ||
1193 | } | |
1194 | static void | |
1418c83b SC |
1195 | DEFUN(print_statement,(s, os), |
1196 | lang_statement_union_type *s AND | |
1197 | lang_output_section_statement_type *os) | |
2fa0b342 | 1198 | { |
c611e285 SC |
1199 | while (s) |
1200 | { | |
1201 | switch (s->header.type) | |
1202 | { | |
1203 | case lang_constructors_statement_enum: | |
6fd50a20 | 1204 | fprintf(config.map_file, "constructors:\n"); |
c611e285 SC |
1205 | print_statement(constructor_list.head, os); |
1206 | break; | |
1207 | case lang_wild_statement_enum: | |
1208 | print_wild_statement(&s->wild_statement, os); | |
1209 | break; | |
1210 | default: | |
6fd50a20 | 1211 | fprintf(config.map_file, "Fail with %d\n",s->header.type); |
c611e285 SC |
1212 | FAIL(); |
1213 | break; | |
1214 | case lang_address_statement_enum: | |
6fd50a20 | 1215 | fprintf(config.map_file, "address\n"); |
c611e285 | 1216 | break; |
c611e285 | 1217 | case lang_object_symbols_statement_enum: |
6fd50a20 | 1218 | fprintf(config.map_file, "object symbols\n"); |
c611e285 SC |
1219 | break; |
1220 | case lang_fill_statement_enum: | |
1221 | print_fill_statement(&s->fill_statement); | |
1222 | break; | |
1223 | case lang_data_statement_enum: | |
1224 | print_data_statement(&s->data_statement); | |
1225 | break; | |
1226 | case lang_input_section_enum: | |
1227 | print_input_section(&s->input_section); | |
1228 | break; | |
1229 | case lang_padding_statement_enum: | |
1230 | print_padding_statement(&s->padding_statement); | |
1231 | break; | |
1232 | case lang_output_section_statement_enum: | |
1233 | print_output_section_statement(&s->output_section_statement); | |
1234 | break; | |
1235 | case lang_assignment_statement_enum: | |
1236 | print_assignment(&s->assignment_statement, | |
1237 | os); | |
1238 | break; | |
1239 | case lang_target_statement_enum: | |
6fd50a20 | 1240 | fprintf(config.map_file, "TARGET(%s)\n", s->target_statement.target); |
c611e285 SC |
1241 | break; |
1242 | case lang_output_statement_enum: | |
6fd50a20 | 1243 | fprintf(config.map_file, "OUTPUT(%s %s)\n", |
c611e285 SC |
1244 | s->output_statement.name, |
1245 | output_target); | |
1246 | break; | |
1247 | case lang_input_statement_enum: | |
1248 | print_input_statement(&s->input_statement); | |
1249 | break; | |
1250 | case lang_afile_asection_pair_statement_enum: | |
1251 | FAIL(); | |
1252 | break; | |
1253 | } | |
1254 | s = s->next; | |
2fa0b342 | 1255 | } |
2fa0b342 DHW |
1256 | } |
1257 | ||
1258 | ||
1259 | static void | |
1418c83b | 1260 | DEFUN_VOID(print_statements) |
2fa0b342 DHW |
1261 | { |
1262 | print_statement(statement_list.head, | |
dcde00c4 SC |
1263 | abs_output_section); |
1264 | ||
2fa0b342 DHW |
1265 | } |
1266 | ||
1267 | static bfd_vma | |
1418c83b SC |
1268 | DEFUN(insert_pad,(this_ptr, fill, power, output_section_statement, dot), |
1269 | lang_statement_union_type **this_ptr AND | |
1270 | fill_type fill AND | |
1271 | unsigned int power AND | |
1272 | asection * output_section_statement AND | |
1273 | bfd_vma dot) | |
2fa0b342 DHW |
1274 | { |
1275 | /* Align this section first to the | |
1276 | input sections requirement, then | |
1277 | to the output section's requirement. | |
1278 | If this alignment is > than any seen before, | |
1279 | then record it too. Perform the alignment by | |
1280 | inserting a magic 'padding' statement. | |
1281 | */ | |
1282 | ||
1283 | unsigned int alignment_needed = align_power(dot, power) - dot; | |
1284 | ||
1285 | if (alignment_needed != 0) | |
1286 | { | |
1287 | lang_statement_union_type *new = | |
1288 | (lang_statement_union_type *) | |
bfbdc80f | 1289 | stat_alloc((bfd_size_type)(sizeof(lang_padding_statement_type))); |
2fa0b342 DHW |
1290 | /* Link into existing chain */ |
1291 | new->header.next = *this_ptr; | |
1292 | *this_ptr = new; | |
1293 | new->header.type = lang_padding_statement_enum; | |
1294 | new->padding_statement.output_section = output_section_statement; | |
1295 | new->padding_statement.output_offset = | |
1296 | dot - output_section_statement->vma; | |
1297 | new->padding_statement.fill = fill; | |
1298 | new->padding_statement.size = alignment_needed; | |
1299 | } | |
1300 | ||
1301 | ||
1302 | /* Remember the most restrictive alignment */ | |
1303 | if (power > output_section_statement->alignment_power) { | |
1304 | output_section_statement->alignment_power = power; | |
1305 | } | |
c611e285 | 1306 | output_section_statement->_raw_size += alignment_needed; |
2fa0b342 DHW |
1307 | return alignment_needed + dot; |
1308 | ||
1309 | } | |
1310 | ||
1418c83b | 1311 | /* Work out how much this section will move the dot point */ |
2fa0b342 | 1312 | static bfd_vma |
1418c83b SC |
1313 | DEFUN(size_input_section, (this_ptr, output_section_statement, fill, dot), |
1314 | lang_statement_union_type **this_ptr AND | |
1315 | lang_output_section_statement_type*output_section_statement AND | |
1316 | unsigned short fill AND | |
1317 | bfd_vma dot) | |
2fa0b342 DHW |
1318 | { |
1319 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1320 | asection *i = is->section; | |
1418c83b SC |
1321 | |
1322 | if (is->ifile->just_syms_flag == false) { | |
ac004870 SC |
1323 | dot = insert_pad(this_ptr, fill, i->alignment_power, |
1324 | output_section_statement->bfd_section, dot); | |
2fa0b342 | 1325 | |
7bc4a0d7 SC |
1326 | /* remember the largest size so we can malloc the largest area |
1327 | needed for the output stage. Only remember the size of sections | |
1328 | which we will actually allocate */ | |
1329 | if (((i->flags & | |
1330 | (SEC_HAS_CONTENTS | SEC_LOAD)) == (SEC_HAS_CONTENTS | SEC_LOAD)) | |
c611e285 SC |
1331 | && (bfd_get_section_size_before_reloc(i) > largest_section)) { |
1332 | largest_section = bfd_get_section_size_before_reloc(i); | |
ac004870 | 1333 | } |
2fa0b342 | 1334 | |
ac004870 | 1335 | /* Remember where in the output section this input section goes */ |
2fa0b342 | 1336 | |
ac004870 SC |
1337 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1338 | ||
1339 | /* Mark how big the output section must be to contain this now */ | |
c611e285 SC |
1340 | dot += bfd_get_section_size_before_reloc(i); |
1341 | output_section_statement->bfd_section->_raw_size = | |
ac004870 SC |
1342 | dot - output_section_statement->bfd_section->vma; |
1343 | } | |
1344 | else | |
1345 | { | |
1346 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1347 | } | |
2fa0b342 DHW |
1348 | |
1349 | return dot ; | |
1350 | } | |
1351 | ||
c611e285 | 1352 | |
c611e285 SC |
1353 | /* Sizing happens in two passes, first pass we allocate worst case |
1354 | stuff. The second pass (if relaxing), we use what we learnt to | |
1355 | change the size of some relocs from worst case to better | |
1356 | */ | |
1357 | static boolean had_relax; | |
1358 | ||
1359 | static bfd_vma | |
1360 | DEFUN(lang_size_sections,(s, output_section_statement, prev, fill, | |
1361 | dot, relax), | |
1362 | lang_statement_union_type *s AND | |
1363 | lang_output_section_statement_type * output_section_statement AND | |
1364 | lang_statement_union_type **prev AND | |
1365 | unsigned short fill AND | |
1366 | bfd_vma dot AND | |
1367 | boolean relax) | |
1368 | { | |
1369 | /* Size up the sections from their constituent parts */ | |
1370 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
9d1fe8a4 SC |
1371 | { |
1372 | switch (s->header.type) { | |
c611e285 | 1373 | |
9d1fe8a4 SC |
1374 | case lang_output_section_statement_enum: |
1375 | { | |
1376 | bfd_vma after; | |
ee4af9e8 | 1377 | lang_output_section_statement_type *os = &s->output_section_statement; |
9d1fe8a4 SC |
1378 | |
1379 | if (os->bfd_section == &bfd_abs_section) | |
1380 | { | |
1381 | /* No matter what happens, an abs section starts at zero */ | |
1382 | os->bfd_section->vma = 0; | |
1383 | } | |
1384 | else | |
1385 | { | |
1386 | if (os->addr_tree == (etree_type *)NULL) | |
1387 | { | |
1388 | /* No address specified for this section, get one | |
1389 | from the region specification | |
1390 | */ | |
1391 | if (os->region == (lang_memory_region_type *)NULL) { | |
1392 | os->region = lang_memory_region_lookup("*default*"); | |
c611e285 | 1393 | } |
9d1fe8a4 SC |
1394 | dot = os->region->current; |
1395 | } | |
1396 | else | |
1397 | { | |
1398 | etree_value_type r ; | |
1399 | r = exp_fold_tree(os->addr_tree, | |
1400 | abs_output_section, | |
1401 | lang_allocating_phase_enum, | |
1402 | dot, &dot); | |
1403 | if (r.valid == false) | |
1404 | { | |
1405 | einfo("%F%S: non constant address expression for section %s\n", | |
1406 | os->name); | |
1407 | } | |
1408 | dot = r.value; | |
1409 | } | |
1410 | /* The section starts here */ | |
1411 | /* First, align to what the section needs */ | |
c611e285 | 1412 | |
c611e285 | 1413 | |
9d1fe8a4 SC |
1414 | dot = align_power(dot, os->bfd_section->alignment_power); |
1415 | os->bfd_section->vma = dot; | |
1416 | } | |
1417 | ||
1418 | ||
1419 | os->bfd_section->output_offset = 0; | |
c611e285 | 1420 | |
9d1fe8a4 SC |
1421 | (void) lang_size_sections(os->children.head, os, &os->children.head, |
1422 | os->fill, dot, relax); | |
1423 | /* Ignore the size of the input sections, use the vma and size to */ | |
1424 | /* align against */ | |
c611e285 | 1425 | |
c611e285 | 1426 | |
9d1fe8a4 SC |
1427 | after = ALIGN(os->bfd_section->vma + |
1428 | os->bfd_section->_raw_size, | |
1429 | os->block_value) ; | |
c611e285 | 1430 | |
c611e285 | 1431 | |
9d1fe8a4 SC |
1432 | os->bfd_section->_raw_size = after - os->bfd_section->vma; |
1433 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1434 | os->processed = true; | |
c611e285 | 1435 | |
9d1fe8a4 SC |
1436 | /* Replace into region ? */ |
1437 | if (os->addr_tree == (etree_type *)NULL | |
1438 | && os->region !=(lang_memory_region_type*)NULL ) { | |
1439 | os->region->current = dot; | |
1440 | /* Make sure this isn't silly */ | |
1441 | if (os->region->current > | |
1442 | os->region->origin + | |
1443 | os->region->length) | |
c611e285 | 1444 | { |
9d1fe8a4 SC |
1445 | einfo("%X%P: Region %s is full (%B section %s)\n", |
1446 | os->region->name, | |
1447 | os->bfd_section->owner, | |
1448 | os->bfd_section->name); | |
1449 | /* Reset the region pointer */ | |
1450 | os->region->current = 0; | |
c611e285 | 1451 | |
c611e285 | 1452 | } |
9d1fe8a4 SC |
1453 | |
1454 | } | |
1455 | } | |
c611e285 | 1456 | |
9d1fe8a4 SC |
1457 | break; |
1458 | case lang_constructors_statement_enum: | |
1459 | dot = lang_size_sections(constructor_list.head, | |
1460 | output_section_statement, | |
1461 | &s->wild_statement.children.head, | |
1462 | fill, | |
1463 | dot, relax); | |
1464 | break; | |
1465 | ||
1466 | case lang_data_statement_enum: | |
1467 | { | |
1468 | unsigned int size = 0; | |
1469 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; | |
1470 | s->data_statement.output_section = | |
1471 | output_section_statement->bfd_section; | |
1472 | ||
1473 | switch (s->data_statement.type) { | |
1474 | case LONG: | |
1475 | size = LONG_SIZE; | |
1476 | break; | |
1477 | case SHORT: | |
1478 | size = SHORT_SIZE; | |
1479 | break; | |
1480 | case BYTE: | |
1481 | size = BYTE_SIZE; | |
1482 | break; | |
1483 | ||
1484 | } | |
1485 | dot += size; | |
1486 | output_section_statement->bfd_section->_raw_size += size; | |
1487 | } | |
1488 | break; | |
1489 | ||
1490 | case lang_wild_statement_enum: | |
c611e285 | 1491 | |
9d1fe8a4 | 1492 | dot = lang_size_sections(s->wild_statement.children.head, |
c611e285 SC |
1493 | output_section_statement, |
1494 | &s->wild_statement.children.head, | |
1495 | ||
1496 | fill, dot, relax); | |
1497 | ||
9d1fe8a4 | 1498 | break; |
c611e285 | 1499 | |
9d1fe8a4 SC |
1500 | case lang_object_symbols_statement_enum: |
1501 | create_object_symbols = output_section_statement; | |
1502 | break; | |
1503 | case lang_output_statement_enum: | |
1504 | case lang_target_statement_enum: | |
1505 | break; | |
1506 | case lang_input_section_enum: | |
1507 | if (relax) | |
1508 | { | |
1509 | relaxing = true; | |
c611e285 | 1510 | |
ee4af9e8 | 1511 | had_relax = had_relax || relax_section(prev); |
9d1fe8a4 | 1512 | relaxing = false; |
c611e285 | 1513 | |
9d1fe8a4 | 1514 | } |
2fa0b342 | 1515 | |
9d1fe8a4 | 1516 | dot = size_input_section(prev, |
c611e285 SC |
1517 | output_section_statement, |
1518 | output_section_statement->fill, dot); | |
9d1fe8a4 SC |
1519 | break; |
1520 | case lang_input_statement_enum: | |
1521 | break; | |
1522 | case lang_fill_statement_enum: | |
dc4726c2 SC |
1523 | s->fill_statement.output_section =output_section_statement->bfd_section; |
1524 | ||
9d1fe8a4 SC |
1525 | fill = s->fill_statement.fill; |
1526 | break; | |
1527 | case lang_assignment_statement_enum: | |
1528 | { | |
1529 | bfd_vma newdot = dot; | |
1530 | exp_fold_tree(s->assignment_statement.exp, | |
1531 | output_section_statement, | |
1532 | lang_allocating_phase_enum, | |
1533 | dot, | |
1534 | &newdot); | |
1535 | ||
1536 | if (newdot != dot && !relax) | |
1537 | /* We've been moved ! so insert a pad */ | |
1538 | { | |
1539 | lang_statement_union_type *new = | |
1540 | (lang_statement_union_type *) | |
bfbdc80f | 1541 | stat_alloc((bfd_size_type)(sizeof(lang_padding_statement_type))); |
9d1fe8a4 SC |
1542 | /* Link into existing chain */ |
1543 | new->header.next = *prev; | |
1544 | *prev = new; | |
1545 | new->header.type = lang_padding_statement_enum; | |
1546 | new->padding_statement.output_section = | |
1547 | output_section_statement->bfd_section; | |
1548 | new->padding_statement.output_offset = | |
1549 | dot - output_section_statement->bfd_section->vma; | |
1550 | new->padding_statement.fill = fill; | |
1551 | new->padding_statement.size = newdot - dot; | |
1552 | output_section_statement->bfd_section->_raw_size += | |
1553 | new->padding_statement.size; | |
1554 | dot = newdot; | |
1555 | } | |
1556 | } | |
c611e285 | 1557 | |
9d1fe8a4 SC |
1558 | break; |
1559 | default: | |
1560 | FAIL(); | |
1561 | break; | |
1562 | /* This can only get here when relaxing is turned on */ | |
1563 | case lang_padding_statement_enum: | |
c611e285 | 1564 | |
9d1fe8a4 SC |
1565 | case lang_address_statement_enum: |
1566 | break; | |
c611e285 | 1567 | } |
9d1fe8a4 SC |
1568 | prev = &s->header.next; |
1569 | } | |
c611e285 SC |
1570 | return dot; |
1571 | } | |
9d1fe8a4 | 1572 | |
2fa0b342 DHW |
1573 | |
1574 | static bfd_vma | |
1418c83b SC |
1575 | DEFUN(lang_do_assignments,(s, output_section_statement, fill, dot), |
1576 | lang_statement_union_type *s AND | |
1577 | lang_output_section_statement_type * output_section_statement AND | |
1578 | unsigned short fill AND | |
1579 | bfd_vma dot) | |
2fa0b342 DHW |
1580 | { |
1581 | ||
1582 | for (; s != (lang_statement_union_type *)NULL ; s = s->next) | |
1583 | { | |
1584 | switch (s->header.type) { | |
81016051 SC |
1585 | case lang_constructors_statement_enum: |
1586 | dot = lang_do_assignments(constructor_list.head, | |
1587 | output_section_statement, | |
1588 | fill, | |
1589 | dot); | |
1590 | break; | |
1591 | ||
2fa0b342 DHW |
1592 | case lang_output_section_statement_enum: |
1593 | { | |
1594 | lang_output_section_statement_type *os = | |
1595 | &(s->output_section_statement); | |
1596 | dot = os->bfd_section->vma; | |
1597 | (void) lang_do_assignments(os->children.head, os, os->fill, dot); | |
c611e285 | 1598 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; |
2fa0b342 DHW |
1599 | } |
1600 | break; | |
1601 | case lang_wild_statement_enum: | |
1602 | ||
1603 | dot = lang_do_assignments(s->wild_statement.children.head, | |
1604 | output_section_statement, | |
1605 | fill, dot); | |
1606 | ||
1607 | break; | |
1608 | ||
1609 | case lang_object_symbols_statement_enum: | |
1610 | case lang_output_statement_enum: | |
1611 | case lang_target_statement_enum: | |
1418c83b | 1612 | #if 0 |
2fa0b342 | 1613 | case lang_common_statement_enum: |
1418c83b | 1614 | #endif |
2fa0b342 DHW |
1615 | break; |
1616 | case lang_data_statement_enum: | |
1617 | { | |
1618 | etree_value_type value ; | |
1619 | value = exp_fold_tree(s->data_statement.exp, | |
9d1fe8a4 SC |
1620 | abs_output_section, |
1621 | lang_final_phase_enum, dot, &dot); | |
2fa0b342 | 1622 | s->data_statement.value = value.value; |
c611e285 | 1623 | if (value.valid == false) einfo("%F%P: Invalid data statement\n"); |
2fa0b342 DHW |
1624 | } |
1625 | switch (s->data_statement.type) { | |
1626 | case LONG: | |
1627 | dot += LONG_SIZE; | |
1628 | break; | |
1629 | case SHORT: | |
1630 | dot += SHORT_SIZE; | |
1631 | break; | |
1632 | case BYTE: | |
1633 | dot += BYTE_SIZE; | |
1634 | break; | |
1635 | } | |
1636 | break; | |
1637 | case lang_input_section_enum: | |
1638 | { | |
1639 | asection *in = s->input_section.section; | |
c611e285 | 1640 | dot += bfd_get_section_size_before_reloc(in); |
2fa0b342 DHW |
1641 | } |
1642 | break; | |
1643 | ||
1644 | case lang_input_statement_enum: | |
1645 | break; | |
1646 | case lang_fill_statement_enum: | |
1647 | fill = s->fill_statement.fill; | |
1648 | break; | |
1649 | case lang_assignment_statement_enum: | |
1650 | { | |
1651 | exp_fold_tree(s->assignment_statement.exp, | |
1652 | output_section_statement, | |
1653 | lang_final_phase_enum, | |
1654 | dot, | |
1655 | &dot); | |
1656 | } | |
1657 | ||
1658 | break; | |
1659 | case lang_padding_statement_enum: | |
1660 | dot += s->padding_statement.size; | |
1661 | break; | |
1662 | default: | |
1663 | FAIL(); | |
1664 | break; | |
1665 | case lang_address_statement_enum: | |
1666 | break; | |
1667 | } | |
1668 | ||
1669 | } | |
1670 | return dot; | |
1671 | } | |
1672 | ||
1673 | ||
1674 | ||
1418c83b SC |
1675 | static void |
1676 | DEFUN_VOID(lang_relocate_globals) | |
2fa0b342 DHW |
1677 | { |
1678 | ||
1679 | /* | |
1418c83b SC |
1680 | Each ldsym_type maintains a chain of pointers to asymbols which |
1681 | references the definition. Replace each pointer to the referenence | |
1682 | with a pointer to only one place, preferably the definition. If | |
1683 | the defintion isn't available then the common symbol, and if | |
1684 | there isn't one of them then choose one reference. | |
1685 | */ | |
2fa0b342 DHW |
1686 | |
1687 | FOR_EACH_LDSYM(lgs) { | |
1688 | asymbol *it; | |
1689 | if (lgs->sdefs_chain) { | |
1690 | it = *(lgs->sdefs_chain); | |
1691 | } | |
1692 | else if (lgs->scoms_chain != (asymbol **)NULL) { | |
1693 | it = *(lgs->scoms_chain); | |
1694 | } | |
1695 | else if (lgs->srefs_chain != (asymbol **)NULL) { | |
1696 | it = *(lgs->srefs_chain); | |
1697 | } | |
1698 | else { | |
1418c83b SC |
1699 | /* This can happen when the command line asked for a symbol to |
1700 | be -u */ | |
1701 | it = (asymbol *)NULL; | |
2fa0b342 DHW |
1702 | } |
1703 | if (it != (asymbol *)NULL) | |
1418c83b | 1704 | { |
81016051 SC |
1705 | asymbol **ptr = lgs->srefs_chain;; |
1706 | if (lgs->flags & SYM_WARNING) | |
1707 | { | |
1708 | produce_warnings(lgs, it); | |
1709 | } | |
2fa0b342 | 1710 | |
1418c83b SC |
1711 | while (ptr != (asymbol **)NULL) { |
1712 | asymbol *ref = *ptr; | |
1713 | *ptr = it; | |
1714 | ptr = (asymbol **)(ref->udata); | |
1715 | } | |
2fa0b342 | 1716 | } |
2fa0b342 DHW |
1717 | } |
1718 | } | |
1719 | ||
1720 | ||
1721 | ||
2fa0b342 | 1722 | static void |
1418c83b | 1723 | DEFUN_VOID(lang_finish) |
2fa0b342 DHW |
1724 | { |
1725 | ldsym_type *lgs; | |
1726 | ||
1727 | if (entry_symbol == (char *)NULL) { | |
1728 | /* No entry has been specified, look for start */ | |
1729 | entry_symbol = "start"; | |
1730 | } | |
1731 | lgs = ldsym_get_soft(entry_symbol); | |
1732 | if (lgs && lgs->sdefs_chain) { | |
1733 | asymbol *sy = *(lgs->sdefs_chain); | |
1734 | /* We can set the entry address*/ | |
1735 | bfd_set_start_address(output_bfd, | |
1736 | outside_symbol_address(sy)); | |
1737 | ||
1738 | } | |
1739 | else { | |
1740 | /* Can't find anything reasonable, | |
1741 | use the first address in the text section | |
1742 | */ | |
1743 | asection *ts = bfd_get_section_by_name(output_bfd, ".text"); | |
1744 | if (ts) { | |
1745 | bfd_set_start_address(output_bfd, ts->vma); | |
1746 | } | |
1747 | } | |
1748 | } | |
1749 | ||
1750 | /* By now we know the target architecture, and we may have an */ | |
1751 | /* ldfile_output_machine_name */ | |
1752 | static void | |
1418c83b | 1753 | DEFUN_VOID(lang_check) |
2fa0b342 DHW |
1754 | { |
1755 | lang_statement_union_type *file; | |
3f8d46e7 | 1756 | bfd * input_bfd; |
dc4726c2 SC |
1757 | unsigned long input_machine; |
1758 | enum bfd_architecture input_architecture; | |
f177a611 | 1759 | CONST bfd_arch_info_type *compatible; |
7bc4a0d7 | 1760 | |
2fa0b342 DHW |
1761 | for (file = file_chain.head; |
1762 | file != (lang_statement_union_type *)NULL; | |
1763 | file=file->input_statement.next) | |
1418c83b | 1764 | { |
06850bea SC |
1765 | unsigned long ldfile_new_output_machine = 0; |
1766 | enum bfd_architecture ldfile_new_output_architecture = bfd_arch_unknown; | |
7bc4a0d7 | 1767 | |
3f8d46e7 | 1768 | input_bfd = file->input_statement.the_bfd; |
7bc4a0d7 | 1769 | |
f177a611 JG |
1770 | input_machine = bfd_get_mach(input_bfd); |
1771 | input_architecture = bfd_get_arch(input_bfd); | |
7bc4a0d7 | 1772 | |
3f8d46e7 | 1773 | |
f177a611 JG |
1774 | /* Inspect the architecture and ensure we're linking like with |
1775 | like */ | |
7bc4a0d7 | 1776 | |
f177a611 JG |
1777 | compatible=bfd_arch_get_compatible(input_bfd, |
1778 | output_bfd); | |
7bc4a0d7 | 1779 | |
f177a611 JG |
1780 | if (compatible) |
1781 | { | |
1782 | ldfile_output_machine = compatible->mach; | |
1783 | ldfile_output_architecture = compatible->arch; | |
1784 | } | |
1785 | else | |
1786 | { | |
7bc4a0d7 | 1787 | |
f177a611 JG |
1788 | info("%P: warning, %s architecture of input file `%B' incompatible with %s output\n", |
1789 | bfd_printable_name(input_bfd), input_bfd, | |
1790 | bfd_printable_name(output_bfd)); | |
7bc4a0d7 SC |
1791 | |
1792 | bfd_set_arch_mach(output_bfd, | |
1793 | ldfile_new_output_architecture, | |
1794 | ldfile_new_output_machine); | |
1795 | } | |
7bc4a0d7 | 1796 | |
f177a611 | 1797 | } |
2fa0b342 DHW |
1798 | } |
1799 | ||
1800 | ||
1801 | /* | |
1802 | * run through all the global common symbols and tie them | |
b6316534 SC |
1803 | * to the output section requested. |
1804 | * | |
1805 | As an experiment we do this 4 times, once for all the byte sizes, | |
1806 | then all the two bytes, all the four bytes and then everything else | |
1807 | */ | |
2fa0b342 DHW |
1808 | |
1809 | static void | |
1418c83b | 1810 | DEFUN_VOID(lang_common) |
2fa0b342 DHW |
1811 | { |
1812 | ldsym_type *lgs; | |
b6316534 | 1813 | size_t power; |
2fa0b342 DHW |
1814 | if (config.relocateable_output == false || |
1815 | command_line.force_common_definition== true) { | |
b6316534 SC |
1816 | for (power = 1; (config.sort_common == true && power == 1) || (power <= 16); power <<=1) { |
1817 | for (lgs = symbol_head; | |
1818 | lgs != (ldsym_type *)NULL; | |
1819 | lgs=lgs->next) | |
1418c83b SC |
1820 | { |
1821 | asymbol *com ; | |
1822 | unsigned int power_of_two; | |
1823 | size_t size; | |
1824 | size_t align; | |
1825 | if (lgs->scoms_chain != (asymbol **)NULL) { | |
1826 | com = *(lgs->scoms_chain); | |
1827 | size = com->value; | |
1828 | switch (size) { | |
1829 | case 0: | |
1830 | case 1: | |
1831 | align = 1; | |
1832 | power_of_two = 0; | |
1833 | break; | |
1834 | case 2: | |
1835 | power_of_two = 1; | |
1836 | align = 2; | |
1837 | break; | |
1838 | case 3: | |
1839 | case 4: | |
1840 | power_of_two =2; | |
1841 | align = 4; | |
1842 | break; | |
1843 | case 5: | |
1844 | case 6: | |
1845 | case 7: | |
1846 | case 8: | |
1847 | power_of_two = 3; | |
2fa0b342 | 1848 | align = 8; |
1418c83b SC |
1849 | break; |
1850 | default: | |
1851 | power_of_two = 4; | |
1852 | align = 16; | |
1853 | break; | |
2fa0b342 | 1854 | } |
b6316534 SC |
1855 | if (config.sort_common == false || align == power) { |
1856 | /* Change from a common symbol into a definition of | |
1857 | a symbol */ | |
1858 | lgs->sdefs_chain = lgs->scoms_chain; | |
1859 | lgs->scoms_chain = (asymbol **)NULL; | |
1860 | commons_pending--; | |
1861 | /* Point to the correct common section */ | |
1862 | com->section = | |
1863 | ((lang_input_statement_type *) | |
1864 | (com->the_bfd->usrdata))->common_section; | |
1865 | /* Fix the size of the common section */ | |
c611e285 SC |
1866 | |
1867 | com->section->_raw_size = | |
1868 | ALIGN(com->section->_raw_size, align); | |
b6316534 SC |
1869 | |
1870 | /* Remember if this is the biggest alignment ever seen */ | |
1871 | if (power_of_two > com->section->alignment_power) { | |
1872 | com->section->alignment_power = power_of_two; | |
1873 | } | |
2fa0b342 | 1874 | |
b6316534 SC |
1875 | /* Symbol stops being common and starts being global, but |
1876 | we remember that it was common once. */ | |
2fa0b342 | 1877 | |
b6316534 | 1878 | com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON; |
c611e285 | 1879 | com->value = com->section->_raw_size; |
1418c83b | 1880 | |
b6316534 | 1881 | if (write_map) |
1418c83b | 1882 | { |
6fd50a20 | 1883 | fprintf (config.map_file, "Allocating common %s: %x at %x %s\n", |
1418c83b SC |
1884 | lgs->name, |
1885 | (unsigned) size, | |
b6316534 SC |
1886 | (unsigned) com->value, |
1887 | com->the_bfd->filename); | |
1418c83b | 1888 | } |
097879bc | 1889 | |
c611e285 | 1890 | com->section->_raw_size += size; |
1418c83b | 1891 | |
b6316534 | 1892 | } |
1418c83b | 1893 | } |
b6316534 | 1894 | |
2fa0b342 | 1895 | } |
b6316534 | 1896 | } |
2fa0b342 | 1897 | } |
1418c83b SC |
1898 | |
1899 | ||
2fa0b342 DHW |
1900 | } |
1901 | ||
1902 | /* | |
1903 | run through the input files and ensure that every input | |
1904 | section has somewhere to go. If one is found without | |
1905 | a destination then create an input request and place it | |
1906 | into the statement tree. | |
1907 | */ | |
1908 | ||
1418c83b SC |
1909 | static void |
1910 | DEFUN_VOID(lang_place_orphans) | |
2fa0b342 DHW |
1911 | { |
1912 | lang_input_statement_type *file; | |
1913 | for (file = (lang_input_statement_type*)file_chain.head; | |
1914 | file != (lang_input_statement_type*)NULL; | |
1915 | file = (lang_input_statement_type*)file->next) { | |
1916 | asection *s; | |
1917 | for (s = file->the_bfd->sections; | |
1918 | s != (asection *)NULL; | |
1919 | s = s->next) { | |
1920 | if ( s->output_section == (asection *)NULL) { | |
1921 | /* This section of the file is not attatched, root | |
1922 | around for a sensible place for it to go */ | |
1923 | ||
1924 | if (file->common_section == s) { | |
1925 | /* This is a lonely common section which must | |
1926 | have come from an archive. We attatch to the | |
1927 | section with the wildcard */ | |
1418c83b SC |
1928 | if (config.relocateable_output != true |
1929 | && command_line.force_common_definition == false) { | |
1930 | if (default_common_section == | |
1931 | (lang_output_section_statement_type *)NULL) { | |
1932 | info("%P: No [COMMON] command, defaulting to .bss\n"); | |
1933 | ||
1934 | default_common_section = | |
1935 | lang_output_section_statement_lookup(".bss"); | |
1936 | ||
1937 | } | |
1938 | wild_doit(&default_common_section->children, s, | |
1939 | default_common_section, file); | |
1940 | } | |
2fa0b342 DHW |
1941 | } |
1942 | else { | |
1943 | lang_output_section_statement_type *os = | |
1944 | lang_output_section_statement_lookup(s->name); | |
1945 | ||
1946 | wild_doit(&os->children, s, os, file); | |
1947 | } | |
1948 | } | |
1949 | } | |
2fa0b342 DHW |
1950 | } |
1951 | } | |
1952 | ||
1953 | ||
2fa0b342 | 1954 | void |
1418c83b | 1955 | DEFUN(lang_set_flags,(ptr, flags), |
7bc4a0d7 | 1956 | int *ptr AND |
1418c83b | 1957 | CONST char *flags) |
2fa0b342 | 1958 | { |
dc4726c2 SC |
1959 | boolean state = false; |
1960 | *ptr= 0; | |
2fa0b342 | 1961 | while (*flags) |
dc4726c2 SC |
1962 | { |
1963 | if (*flags == '!') { | |
1964 | state = false; | |
1965 | flags++; | |
1966 | } | |
1967 | else state = true; | |
1968 | switch (*flags) { | |
1969 | case 'R': | |
1970 | /* ptr->flag_read = state; */ | |
1971 | break; | |
1972 | case 'W': | |
1973 | /* ptr->flag_write = state; */ | |
1974 | break; | |
1975 | case 'X': | |
1976 | /* ptr->flag_executable= state;*/ | |
1977 | break; | |
1978 | case 'L': | |
1979 | case 'I': | |
1980 | /* ptr->flag_loadable= state;*/ | |
1981 | break; | |
1982 | default: | |
1983 | einfo("%P%F illegal syntax in flags\n"); | |
1984 | break; | |
1985 | } | |
1986 | flags++; | |
1987 | } | |
2fa0b342 DHW |
1988 | } |
1989 | ||
1990 | ||
1991 | ||
1992 | void | |
1418c83b SC |
1993 | DEFUN(lang_for_each_file,(func), |
1994 | PROTO(void, (*func),(lang_input_statement_type *))) | |
2fa0b342 DHW |
1995 | { |
1996 | lang_input_statement_type *f; | |
1997 | for (f = (lang_input_statement_type *)file_chain.head; | |
1998 | f != (lang_input_statement_type *)NULL; | |
1999 | f = (lang_input_statement_type *)f->next) | |
1418c83b SC |
2000 | { |
2001 | func(f); | |
2002 | } | |
2fa0b342 DHW |
2003 | } |
2004 | ||
2005 | ||
2006 | void | |
1418c83b SC |
2007 | DEFUN(lang_for_each_input_section, (func), |
2008 | PROTO(void ,(*func),(bfd *ab, asection*as))) | |
2fa0b342 DHW |
2009 | { |
2010 | lang_input_statement_type *f; | |
2011 | for (f = (lang_input_statement_type *)file_chain.head; | |
2012 | f != (lang_input_statement_type *)NULL; | |
2013 | f = (lang_input_statement_type *)f->next) | |
2014 | { | |
2015 | asection *s; | |
2016 | for (s = f->the_bfd->sections; | |
2017 | s != (asection *)NULL; | |
2018 | s = s->next) { | |
2019 | func(f->the_bfd, s); | |
2020 | } | |
2021 | } | |
2022 | } | |
2023 | ||
2024 | ||
2025 | ||
2026 | void | |
1418c83b SC |
2027 | DEFUN(ldlang_add_file,(entry), |
2028 | lang_input_statement_type *entry) | |
2fa0b342 | 2029 | { |
1418c83b | 2030 | |
2fa0b342 DHW |
2031 | lang_statement_append(&file_chain, |
2032 | (lang_statement_union_type *)entry, | |
2033 | &entry->next); | |
2034 | } | |
2035 | ||
2036 | ||
2037 | ||
2038 | void | |
1418c83b SC |
2039 | DEFUN(lang_add_output,(name), |
2040 | CONST char *name) | |
2fa0b342 DHW |
2041 | { |
2042 | lang_output_statement_type *new = new_stat(lang_output_statement, | |
2043 | stat_ptr); | |
2044 | new->name = name; | |
2045 | had_output_filename = true; | |
2046 | } | |
2047 | ||
2048 | ||
2049 | static lang_output_section_statement_type *current_section; | |
2050 | ||
2051 | void | |
1418c83b SC |
2052 | DEFUN(lang_enter_output_section_statement, |
2053 | (output_section_statement_name, | |
2054 | address_exp, | |
7bc4a0d7 | 2055 | flags, |
1418c83b SC |
2056 | block_value), |
2057 | char *output_section_statement_name AND | |
2058 | etree_type *address_exp AND | |
7bc4a0d7 | 2059 | int flags AND |
1418c83b | 2060 | bfd_vma block_value) |
2fa0b342 DHW |
2061 | { |
2062 | lang_output_section_statement_type *os; | |
2063 | current_section = | |
2064 | os = | |
2065 | lang_output_section_statement_lookup(output_section_statement_name); | |
2066 | ||
81016051 SC |
2067 | |
2068 | ||
2fa0b342 DHW |
2069 | /* Add this statement to tree */ |
2070 | /* add_statement(lang_output_section_statement_enum, | |
2071 | output_section_statement);*/ | |
2072 | /* Make next things chain into subchain of this */ | |
2073 | ||
2074 | if (os->addr_tree == | |
2075 | (etree_type *)NULL) { | |
2076 | os->addr_tree = | |
2077 | address_exp; | |
2078 | } | |
7bc4a0d7 | 2079 | os->flags = flags; |
2fa0b342 DHW |
2080 | os->block_value = block_value; |
2081 | stat_ptr = & os->children; | |
2082 | ||
2083 | } | |
2084 | ||
2085 | ||
2086 | void | |
1418c83b | 2087 | DEFUN_VOID(lang_final) |
2fa0b342 DHW |
2088 | { |
2089 | if (had_output_filename == false) { | |
e89432c7 SC |
2090 | extern CONST char *output_filename; |
2091 | lang_add_output(output_filename); | |
2fa0b342 | 2092 | } |
2fa0b342 DHW |
2093 | } |
2094 | ||
2095 | ||
2096 | ||
c611e285 SC |
2097 | /* Reset the current counters in the regions */ |
2098 | static void | |
2099 | DEFUN_VOID(reset_memory_regions) | |
2100 | { | |
2101 | lang_memory_region_type *p = lang_memory_region_list; | |
2102 | for (p = lang_memory_region_list; | |
2103 | p != ( lang_memory_region_type *)NULL; | |
2104 | p = p->next) | |
2105 | { | |
2106 | p->current = p->origin; | |
2107 | } | |
2108 | } | |
2fa0b342 DHW |
2109 | |
2110 | ||
1418c83b SC |
2111 | asymbol * |
2112 | DEFUN(create_symbol,(name, flags, section), | |
2113 | CONST char *name AND | |
2114 | flagword flags AND | |
2115 | asection *section) | |
2fa0b342 DHW |
2116 | { |
2117 | extern lang_input_statement_type *script_file; | |
bfbdc80f | 2118 | asymbol **def_ptr = (asymbol **)stat_alloc((bfd_size_type)(sizeof(asymbol **))); |
2fa0b342 DHW |
2119 | /* Add this definition to script file */ |
2120 | asymbol *def = (asymbol *)bfd_make_empty_symbol(script_file->the_bfd); | |
1418c83b | 2121 | def->name = buystring(name); |
2fa0b342 DHW |
2122 | def->udata = 0; |
2123 | def->flags = flags; | |
2124 | def->section = section; | |
2125 | ||
2126 | *def_ptr = def; | |
ee4af9e8 | 2127 | Q_enter_global_ref(def_ptr, name); |
2fa0b342 DHW |
2128 | return def; |
2129 | } | |
2130 | ||
81016051 SC |
2131 | |
2132 | ||
2fa0b342 | 2133 | void |
1418c83b SC |
2134 | DEFUN_VOID(lang_process) |
2135 | { | |
9d1fe8a4 | 2136 | |
1418c83b | 2137 | if (had_script == false) { |
9d1fe8a4 | 2138 | parse_line(ldemul_get_script(),1); |
c611e285 | 2139 | } |
1418c83b SC |
2140 | lang_reasonable_defaults(); |
2141 | current_target = default_target; | |
2142 | ||
2143 | lang_for_each_statement(ldlang_open_output); /* Open the output file */ | |
2144 | /* For each output section statement, create a section in the output | |
2145 | file */ | |
2146 | lang_create_output_section_statements(); | |
2147 | ||
2148 | /* Create a dummy bfd for the script */ | |
2149 | lang_init_script_file(); | |
2150 | ||
2151 | /* Add to the hash table all undefineds on the command line */ | |
2152 | lang_place_undefineds(); | |
2153 | ||
2154 | /* Create a bfd for each input file */ | |
2155 | current_target = default_target; | |
2156 | lang_for_each_statement(open_input_bfds); | |
2157 | ||
a0ad3035 | 2158 | common_section.userdata = (PTR)&common_section_userdata; |
1418c83b | 2159 | |
81016051 | 2160 | |
1418c83b SC |
2161 | /* Run through the contours of the script and attatch input sections |
2162 | to the correct output sections | |
2163 | */ | |
81016051 | 2164 | find_constructors(); |
1418c83b SC |
2165 | map_input_to_output_sections(statement_list.head, (char *)NULL, |
2166 | ( lang_output_section_statement_type *)NULL); | |
2167 | ||
81016051 | 2168 | |
1418c83b SC |
2169 | /* Find any sections not attatched explicitly and handle them */ |
2170 | lang_place_orphans(); | |
2171 | ||
2172 | /* Size up the common data */ | |
2173 | lang_common(); | |
2174 | ||
2175 | ldemul_before_allocation(); | |
2176 | ||
c611e285 | 2177 | |
1418c83b SC |
2178 | /* Size up the sections */ |
2179 | lang_size_sections(statement_list.head, | |
ffc50032 | 2180 | abs_output_section, |
c611e285 SC |
2181 | &(statement_list.head), 0, (bfd_vma)0, false); |
2182 | ||
2183 | ||
c611e285 SC |
2184 | /* Now run around and relax if we can */ |
2185 | if (command_line.relax) | |
2186 | { | |
2187 | reset_memory_regions(); | |
ffc50032 SC |
2188 | |
2189 | /* Move the global symbols around */ | |
2190 | lang_relocate_globals(); | |
c611e285 SC |
2191 | |
2192 | had_relax = true; | |
2193 | while (had_relax) | |
2194 | { | |
2195 | ||
2196 | had_relax = false; | |
2197 | ||
2198 | lang_size_sections(statement_list.head, | |
2199 | (lang_output_section_statement_type *)NULL, | |
2200 | &(statement_list.head), 0, (bfd_vma)0, true); | |
2201 | /* FIXME. Until the code in relax is fixed so that it only reads in | |
2202 | stuff once, we cant iterate since there is no way for the linker to | |
2203 | know what has been patched and what hasn't */ | |
2204 | break; | |
2205 | ||
2206 | } | |
2207 | ||
2208 | ||
2209 | ||
2210 | ||
2211 | } | |
2212 | ||
1418c83b SC |
2213 | |
2214 | /* See if anything special should be done now we know how big | |
2215 | everything is */ | |
2216 | ldemul_after_allocation(); | |
2217 | ||
2218 | /* Do all the assignments, now that we know the final restingplaces | |
2219 | of all the symbols */ | |
2220 | ||
2221 | lang_do_assignments(statement_list.head, | |
ffc50032 | 2222 | abs_output_section, |
1418c83b SC |
2223 | 0, (bfd_vma)0); |
2224 | ||
c611e285 | 2225 | |
ffc50032 SC |
2226 | /* Move the global symbols around */ |
2227 | lang_relocate_globals(); | |
2228 | ||
1418c83b SC |
2229 | /* Make sure that we're not mixing architectures */ |
2230 | ||
2231 | lang_check(); | |
2232 | ||
1418c83b SC |
2233 | /* Final stuffs */ |
2234 | lang_finish(); | |
2fa0b342 DHW |
2235 | } |
2236 | ||
2237 | ||
2238 | /* EXPORTED TO YACC */ | |
1418c83b | 2239 | |
2fa0b342 | 2240 | void |
1418c83b SC |
2241 | DEFUN(lang_add_wild,(section_name, filename), |
2242 | CONST char *CONST section_name AND | |
2243 | CONST char *CONST filename) | |
2244 | { | |
2245 | lang_wild_statement_type *new = new_stat(lang_wild_statement, | |
2246 | stat_ptr); | |
2247 | ||
2248 | if (section_name != (char *)NULL && strcmp(section_name,"COMMON") == 0) | |
2249 | { | |
2250 | placed_commons = true; | |
2251 | } | |
2252 | if (filename != (char *)NULL) { | |
2253 | lang_has_input_file = true; | |
2254 | } | |
2255 | new->section_name = section_name; | |
2256 | new->filename = filename; | |
2257 | lang_list_init(&new->children); | |
2258 | } | |
2259 | void | |
2260 | DEFUN(lang_section_start,(name, address), | |
2261 | CONST char *name AND | |
2262 | etree_type *address) | |
2fa0b342 DHW |
2263 | { |
2264 | lang_address_statement_type *ad =new_stat(lang_address_statement, stat_ptr); | |
2265 | ad->section_name = name; | |
2266 | ad->address = address; | |
2267 | } | |
1418c83b SC |
2268 | |
2269 | void | |
2270 | DEFUN(lang_add_entry,(name), | |
2271 | CONST char *name) | |
2fa0b342 DHW |
2272 | { |
2273 | entry_symbol = name; | |
2274 | } | |
2275 | ||
2276 | void | |
1418c83b SC |
2277 | DEFUN(lang_add_target,(name), |
2278 | CONST char *name) | |
2fa0b342 DHW |
2279 | { |
2280 | lang_target_statement_type *new = new_stat(lang_target_statement, | |
2281 | stat_ptr); | |
2282 | new->target = name; | |
2283 | ||
2284 | } | |
2fa0b342 | 2285 | |
1418c83b SC |
2286 | |
2287 | ||
2fa0b342 DHW |
2288 | |
2289 | void | |
1418c83b SC |
2290 | DEFUN(lang_add_map,(name), |
2291 | CONST char *name) | |
2fa0b342 DHW |
2292 | { |
2293 | while (*name) { | |
2294 | switch (*name) { | |
2295 | case 'F': | |
2296 | map_option_f = true; | |
2297 | break; | |
2298 | } | |
2299 | name++; | |
2300 | } | |
2301 | } | |
2302 | ||
1418c83b SC |
2303 | void |
2304 | DEFUN(lang_add_fill,(exp), | |
2305 | int exp) | |
2fa0b342 DHW |
2306 | { |
2307 | lang_fill_statement_type *new = new_stat(lang_fill_statement, | |
2308 | stat_ptr); | |
2309 | new->fill = exp; | |
2310 | } | |
2311 | ||
1418c83b SC |
2312 | void |
2313 | DEFUN(lang_add_data,(type, exp), | |
2314 | int type AND | |
2315 | union etree_union *exp) | |
2fa0b342 DHW |
2316 | { |
2317 | ||
2318 | lang_data_statement_type *new = new_stat(lang_data_statement, | |
2319 | stat_ptr); | |
2320 | new->exp = exp; | |
2321 | new->type = type; | |
2322 | ||
2323 | } | |
2324 | void | |
1418c83b SC |
2325 | DEFUN(lang_add_assignment,(exp), |
2326 | etree_type *exp) | |
2fa0b342 DHW |
2327 | { |
2328 | lang_assignment_statement_type *new = new_stat(lang_assignment_statement, | |
2329 | stat_ptr); | |
2330 | new->exp = exp; | |
2331 | } | |
2332 | ||
2333 | void | |
1418c83b SC |
2334 | DEFUN(lang_add_attribute,(attribute), |
2335 | enum statement_enum attribute) | |
2fa0b342 DHW |
2336 | { |
2337 | new_statement(attribute, sizeof(lang_statement_union_type),stat_ptr); | |
2338 | } | |
2339 | ||
2340 | ||
2341 | ||
2342 | void | |
1418c83b SC |
2343 | DEFUN(lang_startup,(name), |
2344 | CONST char *name) | |
2fa0b342 DHW |
2345 | { |
2346 | if (startup_file != (char *)NULL) { | |
c611e285 | 2347 | einfo("%P%FMultiple STARTUP files\n"); |
2fa0b342 DHW |
2348 | } |
2349 | first_file->filename = name; | |
2350 | first_file->local_sym_name = name; | |
2351 | ||
2352 | startup_file= name; | |
2353 | } | |
2354 | void | |
1418c83b SC |
2355 | DEFUN(lang_float,(maybe), |
2356 | boolean maybe) | |
2fa0b342 DHW |
2357 | { |
2358 | lang_float_flag = maybe; | |
2359 | } | |
2360 | ||
2361 | void | |
1418c83b SC |
2362 | DEFUN(lang_leave_output_section_statement,(fill, memspec), |
2363 | bfd_vma fill AND | |
2364 | CONST char *memspec) | |
2fa0b342 DHW |
2365 | { |
2366 | current_section->fill = fill; | |
2367 | current_section->region = lang_memory_region_lookup(memspec); | |
2368 | stat_ptr = &statement_list; | |
81016051 SC |
2369 | |
2370 | /* We remember if we are closing a .data section, since we use it to | |
2371 | store constructors in */ | |
2372 | if (strcmp(current_section->name, ".data") ==0) { | |
2373 | end_of_data_section_statement_list = statement_list; | |
2374 | ||
2375 | } | |
2fa0b342 | 2376 | } |
9f32f7c2 SC |
2377 | /* |
2378 | Create an absolute symbol with the given name with the value of the | |
2379 | address of first byte of the section named. | |
2fa0b342 | 2380 | |
9f32f7c2 SC |
2381 | If the symbol already exists, then do nothing. |
2382 | */ | |
8cb5eb31 | 2383 | void |
1418c83b SC |
2384 | DEFUN(lang_abs_symbol_at_beginning_of,(section, name), |
2385 | CONST char *section AND | |
2386 | CONST char *name) | |
8cb5eb31 | 2387 | { |
c660714f | 2388 | if (ldsym_undefined(name)) { |
9f32f7c2 SC |
2389 | asection *s = bfd_get_section_by_name(output_bfd, section); |
2390 | asymbol *def = create_symbol(name, | |
c611e285 SC |
2391 | BSF_GLOBAL | BSF_EXPORT , |
2392 | &bfd_abs_section); | |
2393 | ||
2394 | ||
9f32f7c2 SC |
2395 | if (s != (asection *)NULL) { |
2396 | def->value = s->vma; | |
2397 | } | |
2398 | else { | |
2399 | def->value = 0; | |
2400 | } | |
8cb5eb31 SC |
2401 | } |
2402 | } | |
2403 | ||
9f32f7c2 SC |
2404 | /* |
2405 | Create an absolute symbol with the given name with the value of the | |
2406 | address of the first byte after the end of the section named. | |
2407 | ||
2408 | If the symbol already exists, then do nothing. | |
2409 | */ | |
2fa0b342 | 2410 | void |
1418c83b SC |
2411 | DEFUN(lang_abs_symbol_at_end_of,(section, name), |
2412 | CONST char *section AND | |
2413 | CONST char *name) | |
2fa0b342 | 2414 | { |
c660714f | 2415 | if (ldsym_undefined(name)){ |
9f32f7c2 SC |
2416 | asection *s = bfd_get_section_by_name(output_bfd, section); |
2417 | /* Add a symbol called _end */ | |
2418 | asymbol *def = create_symbol(name, | |
c611e285 SC |
2419 | BSF_GLOBAL | BSF_EXPORT , |
2420 | &bfd_abs_section); | |
2421 | ||
9f32f7c2 | 2422 | if (s != (asection *)NULL) { |
c611e285 | 2423 | def->value = s->vma + s->_raw_size; |
9f32f7c2 SC |
2424 | } |
2425 | else { | |
2426 | def->value = 0; | |
2427 | } | |
2fa0b342 DHW |
2428 | } |
2429 | } | |
2430 | ||
2431 | void | |
1418c83b SC |
2432 | DEFUN(lang_statement_append,(list, element, field), |
2433 | lang_statement_list_type *list AND | |
2434 | lang_statement_union_type *element AND | |
2435 | lang_statement_union_type **field) | |
2fa0b342 DHW |
2436 | { |
2437 | *(list->tail) = element; | |
2438 | list->tail = field; | |
2439 | } | |
2440 | ||
097879bc SC |
2441 | /* Set the output format type */ |
2442 | void | |
2443 | DEFUN(lang_add_output_format,(format), | |
2444 | CONST char *format) | |
2445 | { | |
2446 | output_target = format; | |
2447 | } | |
a37cc0c0 | 2448 |