Commit | Line | Data |
---|---|---|
2fa0b342 | 1 | /* Copyright (C) 1991 Free Software Foundation, Inc. |
075d7359 | 2 | |
2fa0b342 DHW |
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 | ||
2fa0b342 | 19 | #include "bfd.h" |
075d7359 | 20 | #include "sysdep.h" |
2fa0b342 DHW |
21 | |
22 | #include "ld.h" | |
23 | #include "ldmain.h" | |
24 | #include "ldsym.h" | |
7bc4a0d7 | 25 | #include "ldgram.h" |
81016051 | 26 | #include "ldwarn.h" |
2fa0b342 DHW |
27 | #include "ldlang.h" |
28 | #include "ldexp.h" | |
8c514453 | 29 | #include "ldemul.h" |
2fa0b342 | 30 | #include "ldlex.h" |
3f8d46e7 | 31 | #include "ldmisc.h" |
c611e285 SC |
32 | #include "ldindr.h" |
33 | #include "ldctor.h" | |
2fa0b342 | 34 | /* FORWARDS */ |
075d7359 SC |
35 | PROTO (static void, print_statements, (void)); |
36 | PROTO (static void, print_statement, (lang_statement_union_type *, | |
37 | lang_output_section_statement_type *)); | |
2fa0b342 | 38 | |
d4c02e29 | 39 | /* LOCALS */ |
bfbdc80f | 40 | static struct obstack stat_obstack; |
075d7359 | 41 | |
bfbdc80f SC |
42 | #define obstack_chunk_alloc ldmalloc |
43 | #define obstack_chunk_free free | |
075d7359 | 44 | static CONST char *startup_file; |
d4c02e29 | 45 | static lang_statement_list_type input_file_chain; |
81016051 SC |
46 | |
47 | /* Points to the last statement in the .data section, so we can add | |
48 | stuff to the data section without pain */ | |
49 | static lang_statement_list_type end_of_data_section_statement_list; | |
50 | ||
c611e285 SC |
51 | /* List of statements needed to handle constructors */ |
52 | extern lang_statement_list_type constructor_list; | |
81016051 | 53 | |
d4c02e29 SC |
54 | static boolean placed_commons = false; |
55 | static lang_output_section_statement_type *default_common_section; | |
56 | static boolean map_option_f; | |
57 | static bfd_vma print_dot; | |
58 | static lang_input_statement_type *first_file; | |
59 | static lang_statement_list_type lang_output_section_statement; | |
60 | static CONST char *current_target; | |
61 | static CONST char *output_target; | |
62 | static size_t longest_section_name = 8; | |
63 | static asection common_section; | |
64 | static section_userdata_type common_section_userdata; | |
65 | static lang_statement_list_type statement_list; | |
ffc50032 | 66 | |
2fa0b342 | 67 | /* EXPORTS */ |
c611e285 | 68 | boolean relaxing; |
ffc50032 | 69 | lang_output_section_statement_type *abs_output_section; |
d4c02e29 SC |
70 | lang_statement_list_type *stat_ptr = &statement_list; |
71 | lang_input_statement_type *script_file = 0; | |
72 | boolean option_longmap = false; | |
075d7359 SC |
73 | lang_statement_list_type file_chain = |
74 | {0}; | |
d4c02e29 | 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; | |
075d7359 | 81 | |
d4c02e29 | 82 | /* IMPORTS */ |
075d7359 | 83 | extern char *default_target; |
2fa0b342 | 84 | |
d4c02e29 SC |
85 | extern unsigned int undefined_global_sym_count; |
86 | extern char *current_file; | |
2fa0b342 | 87 | extern bfd *output_bfd; |
2fa0b342 DHW |
88 | extern enum bfd_architecture ldfile_output_architecture; |
89 | extern unsigned long ldfile_output_machine; | |
90 | extern char *ldfile_output_machine_name; | |
2fa0b342 | 91 | extern ldsym_type *symbol_head; |
d4c02e29 | 92 | extern unsigned int commons_pending; |
2fa0b342 DHW |
93 | extern args_type command_line; |
94 | extern ld_config_type config; | |
2fa0b342 | 95 | extern boolean had_script; |
2fa0b342 DHW |
96 | extern boolean write_map; |
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 | ||
075d7359 | 110 | void EXFUN (lang_add_data, (int type, union etree_union * exp)); |
bfbdc80f SC |
111 | |
112 | PTR | |
075d7359 SC |
113 | DEFUN (stat_alloc, (size), |
114 | size_t size) | |
bfbdc80f | 115 | { |
075d7359 | 116 | return obstack_alloc (&stat_obstack, size); |
bfbdc80f | 117 | } |
075d7359 SC |
118 | static void |
119 | DEFUN (print_size, (value), | |
120 | size_t value) | |
3f8d46e7 | 121 | { |
075d7359 | 122 | fprintf (config.map_file, "%5x", (unsigned) value); |
3f8d46e7 | 123 | } |
075d7359 SC |
124 | static void |
125 | DEFUN (print_alignment, (value), | |
126 | unsigned int value) | |
3f8d46e7 | 127 | { |
075d7359 | 128 | fprintf (config.map_file, "2**%1u", value); |
3f8d46e7 | 129 | } |
075d7359 SC |
130 | static void |
131 | DEFUN (print_fill, (value), | |
132 | fill_type value) | |
3f8d46e7 | 133 | { |
075d7359 | 134 | fprintf (config.map_file, "%04x", (unsigned) value); |
3f8d46e7 JG |
135 | } |
136 | ||
d4c02e29 | 137 | |
075d7359 SC |
138 | static void |
139 | DEFUN (print_section, (name), | |
140 | CONST char *CONST name) | |
3f8d46e7 | 141 | { |
075d7359 | 142 | fprintf (config.map_file, "%*s", -longest_section_name, name); |
3f8d46e7 | 143 | } |
2fa0b342 | 144 | |
1418c83b SC |
145 | /*---------------------------------------------------------------------- |
146 | lang_for_each_statement walks the parse tree and calls the provided | |
147 | function for each node | |
148 | */ | |
149 | ||
075d7359 SC |
150 | static void |
151 | DEFUN (lang_for_each_statement_worker, (func, s), | |
152 | void (*func) ()AND | |
153 | lang_statement_union_type * s) | |
1418c83b | 154 | { |
075d7359 SC |
155 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
156 | { | |
157 | func (s); | |
1418c83b | 158 | |
075d7359 SC |
159 | switch (s->header.type) |
160 | { | |
81016051 | 161 | case lang_constructors_statement_enum: |
075d7359 | 162 | lang_for_each_statement_worker (func, constructor_list.head); |
81016051 | 163 | break; |
1418c83b SC |
164 | case lang_output_section_statement_enum: |
165 | lang_for_each_statement_worker | |
075d7359 | 166 | (func, |
1418c83b SC |
167 | s->output_section_statement.children.head); |
168 | break; | |
169 | case lang_wild_statement_enum: | |
170 | lang_for_each_statement_worker | |
075d7359 | 171 | (func, |
1418c83b SC |
172 | s->wild_statement.children.head); |
173 | break; | |
174 | case lang_data_statement_enum: | |
175 | case lang_object_symbols_statement_enum: | |
176 | case lang_output_statement_enum: | |
177 | case lang_target_statement_enum: | |
178 | case lang_input_section_enum: | |
179 | case lang_input_statement_enum: | |
1418c83b SC |
180 | case lang_assignment_statement_enum: |
181 | case lang_padding_statement_enum: | |
182 | case lang_address_statement_enum: | |
183 | break; | |
184 | default: | |
075d7359 | 185 | FAIL (); |
1418c83b SC |
186 | break; |
187 | } | |
075d7359 | 188 | } |
1418c83b SC |
189 | } |
190 | ||
191 | void | |
075d7359 SC |
192 | DEFUN (lang_for_each_statement, (func), |
193 | void (*func) ()) | |
1418c83b | 194 | { |
075d7359 SC |
195 | lang_for_each_statement_worker (func, |
196 | statement_list.head); | |
1418c83b | 197 | } |
075d7359 | 198 | |
1418c83b | 199 | /*----------------------------------------------------------------------*/ |
075d7359 SC |
200 | void |
201 | DEFUN (lang_list_init, (list), | |
202 | lang_statement_list_type * list) | |
2fa0b342 | 203 | { |
075d7359 SC |
204 | list->head = (lang_statement_union_type *) NULL; |
205 | list->tail = &list->head; | |
2fa0b342 DHW |
206 | } |
207 | ||
1418c83b | 208 | /*---------------------------------------------------------------------- |
075d7359 | 209 | |
1418c83b SC |
210 | build a new statement node for the parse tree |
211 | ||
212 | */ | |
2fa0b342 DHW |
213 | |
214 | static | |
075d7359 SC |
215 | lang_statement_union_type * |
216 | DEFUN (new_statement, (type, size, list), | |
217 | enum statement_enum type AND | |
218 | bfd_size_type size AND | |
219 | lang_statement_list_type * list) | |
2fa0b342 DHW |
220 | { |
221 | lang_statement_union_type *new = (lang_statement_union_type *) | |
075d7359 SC |
222 | stat_alloc (size); |
223 | ||
2fa0b342 | 224 | new->header.type = type; |
075d7359 SC |
225 | new->header.next = (lang_statement_union_type *) NULL; |
226 | lang_statement_append (list, new, &new->header.next); | |
2fa0b342 DHW |
227 | return new; |
228 | } | |
229 | ||
1418c83b SC |
230 | /* |
231 | Build a new input file node for the language. There are several ways | |
232 | in which we treat an input file, eg, we only look at symbols, or | |
233 | prefix it with a -l etc. | |
234 | ||
235 | We can be supplied with requests for input files more than once; | |
236 | they may, for example be split over serveral lines like foo.o(.text) | |
237 | foo.o(.data) etc, so when asked for a file we check that we havn't | |
238 | got it already so we don't duplicate the bfd. | |
239 | ||
240 | */ | |
2fa0b342 | 241 | static lang_input_statement_type * |
075d7359 SC |
242 | DEFUN (new_afile, (name, file_type, target), |
243 | CONST char *CONST name AND | |
244 | CONST lang_input_file_enum_type file_type AND | |
245 | CONST char *CONST target) | |
2fa0b342 | 246 | { |
dc4726c2 | 247 | |
075d7359 SC |
248 | lang_input_statement_type *p = new_stat (lang_input_statement, |
249 | stat_ptr); | |
250 | ||
2fa0b342 DHW |
251 | lang_has_input_file = true; |
252 | p->target = target; | |
ee4af9e8 | 253 | p->complained = false; |
075d7359 SC |
254 | switch (file_type) |
255 | { | |
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; | |
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; | |
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; | |
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; | |
297 | default: | |
298 | FAIL (); | |
299 | } | |
300 | p->asymbols = (asymbol **) NULL; | |
301 | p->superfile = (lang_input_statement_type *) NULL; | |
302 | p->next_real_file = (lang_statement_union_type *) NULL; | |
303 | p->next = (lang_statement_union_type *) NULL; | |
2fa0b342 | 304 | p->symbol_count = 0; |
075d7359 SC |
305 | p->common_output_section = (asection *) NULL; |
306 | lang_statement_append (&input_file_chain, | |
307 | (lang_statement_union_type *) p, | |
308 | &p->next_real_file); | |
2fa0b342 DHW |
309 | return p; |
310 | } | |
311 | ||
312 | lang_input_statement_type * | |
075d7359 SC |
313 | DEFUN (lang_add_input_file, (name, file_type, target), |
314 | CONST char *name AND | |
315 | lang_input_file_enum_type file_type AND | |
316 | CONST char *target) | |
2fa0b342 DHW |
317 | { |
318 | /* Look it up or build a new one */ | |
1418c83b SC |
319 | lang_has_input_file = true; |
320 | #if 0 | |
2fa0b342 DHW |
321 | lang_input_statement_type *p; |
322 | ||
075d7359 SC |
323 | for (p = (lang_input_statement_type *) input_file_chain.head; |
324 | p != (lang_input_statement_type *) NULL; | |
325 | p = (lang_input_statement_type *) (p->next_real_file)) | |
326 | { | |
327 | /* Sometimes we have incomplete entries in here */ | |
328 | if (p->filename != (char *) NULL) | |
329 | { | |
330 | if (strcmp (name, p->filename) == 0) | |
331 | return p; | |
1418c83b | 332 | } |
075d7359 SC |
333 | |
334 | } | |
1418c83b | 335 | #endif |
075d7359 | 336 | return new_afile (name, file_type, target); |
2fa0b342 DHW |
337 | } |
338 | ||
1418c83b | 339 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 340 | void |
075d7359 | 341 | DEFUN_VOID (lang_init) |
2fa0b342 | 342 | { |
075d7359 | 343 | obstack_begin (&stat_obstack, 1000); |
2fa0b342 | 344 | |
075d7359 | 345 | stat_ptr = &statement_list; |
bfbdc80f | 346 | |
075d7359 | 347 | lang_list_init (stat_ptr); |
2fa0b342 | 348 | |
075d7359 SC |
349 | lang_list_init (&input_file_chain); |
350 | lang_list_init (&lang_output_section_statement); | |
351 | lang_list_init (&file_chain); | |
352 | first_file = lang_add_input_file ((char *) NULL, | |
353 | lang_input_file_is_marker_enum, | |
354 | (char *) NULL); | |
355 | abs_output_section = lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 356 | |
bfbdc80f | 357 | abs_output_section->bfd_section = &bfd_abs_section; |
9d1fe8a4 | 358 | |
2fa0b342 DHW |
359 | } |
360 | ||
1418c83b | 361 | /*---------------------------------------------------------------------- |
075d7359 SC |
362 | A region is an area of memory declared with the |
363 | MEMORY { name:org=exp, len=exp ... } | |
364 | syntax. | |
2fa0b342 | 365 | |
1418c83b | 366 | We maintain a list of all the regions here |
2fa0b342 | 367 | |
1418c83b SC |
368 | If no regions are specified in the script, then the default is used |
369 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
370 | */ |
371 | ||
372 | static lang_memory_region_type *lang_memory_region_list; | |
373 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
374 | ||
375 | lang_memory_region_type * | |
075d7359 SC |
376 | DEFUN (lang_memory_region_lookup, (name), |
377 | CONST char *CONST name) | |
2fa0b342 DHW |
378 | { |
379 | ||
075d7359 SC |
380 | lang_memory_region_type *p = lang_memory_region_list; |
381 | ||
1418c83b | 382 | for (p = lang_memory_region_list; |
075d7359 SC |
383 | p != (lang_memory_region_type *) NULL; |
384 | p = p->next) | |
385 | { | |
386 | if (strcmp (p->name, name) == 0) | |
387 | { | |
388 | return p; | |
389 | } | |
2fa0b342 | 390 | } |
075d7359 | 391 | if (strcmp (name, "*default*") == 0) |
2fa0b342 | 392 | { |
075d7359 SC |
393 | /* This is the default region, dig out first one on the list */ |
394 | if (lang_memory_region_list != (lang_memory_region_type *) NULL) | |
395 | { | |
396 | return lang_memory_region_list; | |
397 | } | |
2fa0b342 | 398 | } |
075d7359 SC |
399 | { |
400 | lang_memory_region_type *new = | |
401 | (lang_memory_region_type *) stat_alloc ((bfd_size_type) (sizeof (lang_memory_region_type))); | |
402 | ||
403 | new->name = buystring (name); | |
404 | new->next = (lang_memory_region_type *) NULL; | |
405 | ||
406 | *lang_memory_region_list_tail = new; | |
407 | lang_memory_region_list_tail = &new->next; | |
408 | new->origin = 0; | |
409 | new->length = ~0; | |
410 | new->current = 0; | |
411 | new->had_full_message = false; | |
412 | ||
413 | return new; | |
414 | } | |
2fa0b342 DHW |
415 | } |
416 | ||
417 | ||
2fa0b342 | 418 | lang_output_section_statement_type * |
075d7359 SC |
419 | DEFUN (lang_output_section_find, (name), |
420 | CONST char *CONST name) | |
2fa0b342 DHW |
421 | { |
422 | lang_statement_union_type *u; | |
423 | lang_output_section_statement_type *lookup; | |
424 | ||
425 | for (u = lang_output_section_statement.head; | |
075d7359 | 426 | u != (lang_statement_union_type *) NULL; |
2fa0b342 | 427 | u = lookup->next) |
075d7359 SC |
428 | { |
429 | lookup = &u->output_section_statement; | |
430 | if (strcmp (name, lookup->name) == 0) | |
431 | { | |
1418c83b SC |
432 | return lookup; |
433 | } | |
075d7359 SC |
434 | } |
435 | return (lang_output_section_statement_type *) NULL; | |
2fa0b342 DHW |
436 | } |
437 | ||
438 | lang_output_section_statement_type * | |
075d7359 SC |
439 | DEFUN (lang_output_section_statement_lookup, (name), |
440 | CONST char *CONST name) | |
2fa0b342 DHW |
441 | { |
442 | lang_output_section_statement_type *lookup; | |
2fa0b342 | 443 | |
075d7359 SC |
444 | lookup = lang_output_section_find (name); |
445 | if (lookup == (lang_output_section_statement_type *) NULL) | |
446 | { | |
2fa0b342 | 447 | |
075d7359 SC |
448 | lookup = (lang_output_section_statement_type *) |
449 | new_stat (lang_output_section_statement, stat_ptr); | |
450 | lookup->region = (lang_memory_region_type *) NULL; | |
451 | lookup->fill = 0; | |
452 | lookup->block_value = 1; | |
453 | lookup->name = name; | |
454 | ||
455 | lookup->next = (lang_statement_union_type *) NULL; | |
456 | lookup->bfd_section = (asection *) NULL; | |
457 | lookup->processed = false; | |
ae475b39 | 458 | lookup->loadable = 1; |
075d7359 SC |
459 | lookup->addr_tree = (etree_type *) NULL; |
460 | lang_list_init (&lookup->children); | |
461 | ||
462 | lang_statement_append (&lang_output_section_statement, | |
463 | (lang_statement_union_type *) lookup, | |
464 | &lookup->next); | |
465 | } | |
466 | return lookup; | |
467 | } | |
2fa0b342 | 468 | |
9d1fe8a4 | 469 | /*ARGSUSED*/ |
2fa0b342 | 470 | static void |
075d7359 SC |
471 | DEFUN (print_flags, (ignore_flags), |
472 | int *ignore_flags) | |
2fa0b342 | 473 | { |
075d7359 | 474 | fprintf (config.map_file, "("); |
2fa0b342 | 475 | #if 0 |
075d7359 SC |
476 | if (flags->flag_read) |
477 | fprintf (outfile, "R"); | |
478 | if (flags->flag_write) | |
479 | fprintf (outfile, "W"); | |
480 | if (flags->flag_executable) | |
481 | fprintf (outfile, "X"); | |
482 | if (flags->flag_loadable) | |
483 | fprintf (outfile, "L"); | |
2fa0b342 | 484 | #endif |
ae475b39 | 485 | fprintf (config.map_file, ")"); |
2fa0b342 DHW |
486 | } |
487 | ||
488 | void | |
075d7359 | 489 | DEFUN_VOID (lang_map) |
2fa0b342 DHW |
490 | { |
491 | lang_memory_region_type *m; | |
075d7359 SC |
492 | |
493 | fprintf (config.map_file, "**MEMORY CONFIGURATION**\n\n"); | |
48491e2e | 494 | #ifdef HOST_64_BIT |
075d7359 | 495 | fprintf (config.map_file, "name\t\torigin\t\tlength\t\tattributes\n"); |
48491e2e | 496 | #else |
ae475b39 SC |
497 | fprintf (config.map_file, |
498 | "name\t\torigin length r_size c_size is attributes\n"); | |
499 | ||
48491e2e | 500 | #endif |
2fa0b342 | 501 | for (m = lang_memory_region_list; |
075d7359 SC |
502 | m != (lang_memory_region_type *) NULL; |
503 | m = m->next) | |
2fa0b342 | 504 | { |
075d7359 SC |
505 | fprintf (config.map_file, "%-16s", m->name); |
506 | print_address (m->origin); | |
507 | print_space (); | |
508 | print_address (m->length); | |
509 | print_space (); | |
ae475b39 SC |
510 | print_address (m->old_length); |
511 | print_space(); | |
512 | print_address (m->current - m->origin); | |
513 | print_space(); | |
514 | if (m->old_length) | |
515 | fprintf(config.map_file," %2d%% ", ( m->current - m->origin) * 100 / m->old_length); | |
075d7359 SC |
516 | print_flags (&m->flags); |
517 | fprintf (config.map_file, "\n"); | |
2fa0b342 | 518 | } |
075d7359 SC |
519 | fprintf (config.map_file, "\n\n**LINK EDITOR MEMORY MAP**\n\n"); |
520 | fprintf (config.map_file, "output input virtual\n"); | |
521 | fprintf (config.map_file, "section section address tsize\n\n"); | |
2fa0b342 | 522 | |
075d7359 | 523 | print_statements (); |
2fa0b342 DHW |
524 | |
525 | } | |
526 | ||
527 | /* | |
528 | * | |
529 | */ | |
075d7359 SC |
530 | static void |
531 | DEFUN (init_os, (s), | |
532 | lang_output_section_statement_type * s) | |
2fa0b342 | 533 | { |
9d1fe8a4 SC |
534 | /* asection *section = bfd_get_section_by_name(output_bfd, s->name);*/ |
535 | section_userdata_type *new = | |
075d7359 SC |
536 | (section_userdata_type *) |
537 | stat_alloc ((bfd_size_type) (sizeof (section_userdata_type))); | |
538 | ||
539 | s->bfd_section = bfd_get_section_by_name (output_bfd, s->name); | |
540 | if (s->bfd_section == (asection *) NULL) | |
541 | s->bfd_section = bfd_make_section (output_bfd, s->name); | |
542 | if (s->bfd_section == (asection *) NULL) | |
543 | { | |
544 | einfo ("%P%F output format %s cannot represent section called %s\n", | |
545 | output_bfd->xvec->name, s->name); | |
9d1fe8a4 | 546 | } |
2fa0b342 | 547 | s->bfd_section->output_section = s->bfd_section; |
ae475b39 | 548 | /* s->bfd_section->flags = s->flags;*/ |
7bc4a0d7 | 549 | |
2fa0b342 DHW |
550 | /* We initialize an output sections output offset to minus its own */ |
551 | /* vma to allow us to output a section through itself */ | |
552 | s->bfd_section->output_offset = 0; | |
075d7359 | 553 | get_userdata (s->bfd_section) = (PTR) new; |
c611e285 | 554 | |
2fa0b342 DHW |
555 | } |
556 | ||
1418c83b SC |
557 | /*********************************************************************** |
558 | The wild routines. | |
559 | ||
560 | These expand statements like *(.text) and foo.o to a list of | |
561 | explicit actions, like foo.o(.text), bar.o(.text) and | |
562 | foo.o(.text,.data) . | |
563 | ||
564 | The toplevel routine, wild, takes a statement, section, file and | |
565 | target. If either the section or file is null it is taken to be the | |
566 | wildcard. Seperate lang_input_section statements are created for | |
567 | each part of the expanstion, and placed after the statement provided. | |
568 | ||
569 | */ | |
075d7359 | 570 | |
2fa0b342 | 571 | static void |
075d7359 SC |
572 | DEFUN (wild_doit, (ptr, section, output, file), |
573 | lang_statement_list_type * ptr AND | |
574 | asection * section AND | |
575 | lang_output_section_statement_type * output AND | |
576 | lang_input_statement_type * file) | |
2fa0b342 | 577 | { |
075d7359 | 578 | if (output->bfd_section == (asection *) NULL) |
ae475b39 SC |
579 | { |
580 | init_os (output); | |
581 | } | |
2fa0b342 | 582 | |
075d7359 SC |
583 | if (section != (asection *) NULL |
584 | && section->output_section == (asection *) NULL) | |
ae475b39 SC |
585 | { |
586 | /* Add a section reference to the list */ | |
587 | lang_input_section_type *new = new_stat (lang_input_section, ptr); | |
588 | ||
589 | new->section = section; | |
590 | new->ifile = file; | |
591 | section->output_section = output->bfd_section; | |
592 | section->output_section->flags |= section->flags; | |
593 | if (!output->loadable) | |
075d7359 | 594 | { |
ae475b39 SC |
595 | /* Turn of load flag */ |
596 | output->bfd_section->flags &= ~SEC_LOAD; | |
597 | } | |
598 | if (section->alignment_power > output->bfd_section->alignment_power) | |
599 | { | |
600 | output->bfd_section->alignment_power = section->alignment_power; | |
075d7359 | 601 | } |
ae475b39 | 602 | } |
2fa0b342 DHW |
603 | } |
604 | ||
605 | static asection * | |
075d7359 SC |
606 | DEFUN (our_bfd_get_section_by_name, (abfd, section), |
607 | bfd * abfd AND | |
608 | CONST char *section) | |
2fa0b342 | 609 | { |
075d7359 | 610 | return bfd_get_section_by_name (abfd, section); |
2fa0b342 | 611 | } |
1418c83b | 612 | |
075d7359 SC |
613 | static void |
614 | DEFUN (wild_section, (ptr, section, file, output), | |
615 | lang_wild_statement_type * ptr AND | |
616 | CONST char *section AND | |
617 | lang_input_statement_type * file AND | |
618 | lang_output_section_statement_type * output) | |
2fa0b342 DHW |
619 | { |
620 | asection *s; | |
075d7359 SC |
621 | |
622 | if (file->just_syms_flag == false) | |
623 | { | |
624 | if (section == (char *) NULL) | |
625 | { | |
626 | /* Do the creation to all sections in the file */ | |
627 | for (s = file->the_bfd->sections; s != (asection *) NULL; s = s->next) | |
628 | { | |
629 | wild_doit (&ptr->children, s, output, file); | |
630 | } | |
631 | } | |
632 | else | |
633 | { | |
634 | /* Do the creation to the named section only */ | |
635 | wild_doit (&ptr->children, | |
636 | our_bfd_get_section_by_name (file->the_bfd, section), | |
637 | output, file); | |
638 | } | |
2fa0b342 | 639 | } |
2fa0b342 DHW |
640 | } |
641 | ||
1418c83b SC |
642 | /* passed a file name (which must have been seen already and added to |
643 | the statement tree. We will see if it has been opened already and | |
644 | had its symbols read. If not then we'll read it. | |
2fa0b342 | 645 | |
1418c83b SC |
646 | Archives are pecuilar here. We may open them once, but if they do |
647 | not define anything we need at the time, they won't have all their | |
648 | symbols read. If we need them later, we'll have to redo it. | |
649 | */ | |
2fa0b342 | 650 | static |
1418c83b | 651 | lang_input_statement_type * |
075d7359 SC |
652 | DEFUN (lookup_name, (name), |
653 | CONST char *CONST name) | |
2fa0b342 DHW |
654 | { |
655 | lang_input_statement_type *search; | |
075d7359 SC |
656 | |
657 | for (search = (lang_input_statement_type *) input_file_chain.head; | |
658 | search != (lang_input_statement_type *) NULL; | |
659 | search = (lang_input_statement_type *) search->next_real_file) | |
660 | { | |
661 | if (search->filename == (char *) NULL && name == (char *) NULL) | |
662 | { | |
2fa0b342 DHW |
663 | return search; |
664 | } | |
075d7359 SC |
665 | if (search->filename != (char *) NULL && name != (char *) NULL) |
666 | { | |
667 | if (strcmp (search->filename, name) == 0) | |
668 | { | |
669 | ldmain_open_file_read_symbol (search); | |
670 | return search; | |
671 | } | |
1418c83b | 672 | } |
075d7359 | 673 | } |
2fa0b342 | 674 | |
075d7359 SC |
675 | /* There isn't an afile entry for this file yet, this must be |
676 | because the name has only appeared inside a load script and not | |
1418c83b | 677 | on the command line */ |
075d7359 SC |
678 | search = new_afile (name, lang_input_file_is_file_enum, default_target); |
679 | ldmain_open_file_read_symbol (search); | |
2fa0b342 | 680 | return search; |
1418c83b SC |
681 | |
682 | ||
2fa0b342 DHW |
683 | } |
684 | ||
685 | static void | |
075d7359 SC |
686 | DEFUN (wild, (s, section, file, target, output), |
687 | lang_wild_statement_type * s AND | |
688 | CONST char *CONST section AND | |
689 | CONST char *CONST file AND | |
690 | CONST char *CONST target AND | |
691 | lang_output_section_statement_type * output) | |
2fa0b342 DHW |
692 | { |
693 | lang_input_statement_type *f; | |
075d7359 SC |
694 | |
695 | if (file == (char *) NULL) | |
696 | { | |
697 | /* Perform the iteration over all files in the list */ | |
698 | for (f = (lang_input_statement_type *) file_chain.head; | |
699 | f != (lang_input_statement_type *) NULL; | |
700 | f = (lang_input_statement_type *) f->next) | |
701 | { | |
702 | wild_section (s, section, f, output); | |
703 | } | |
704 | } | |
705 | else | |
706 | { | |
707 | /* Perform the iteration over a single file */ | |
708 | wild_section (s, section, lookup_name (file), output); | |
709 | } | |
710 | if (section != (char *) NULL | |
711 | && strcmp (section, "COMMON") == 0 | |
712 | && default_common_section == (lang_output_section_statement_type *) NULL) | |
713 | { | |
714 | /* Remember the section that common is going to incase we later | |
715 | get something which doesn't know where to put it */ | |
716 | default_common_section = output; | |
2fa0b342 | 717 | } |
2fa0b342 DHW |
718 | } |
719 | ||
720 | /* | |
075d7359 | 721 | read in all the files |
2fa0b342 | 722 | */ |
075d7359 SC |
723 | static bfd * |
724 | DEFUN (open_output, (name), | |
725 | CONST char *CONST name) | |
2fa0b342 | 726 | { |
30d1a390 SC |
727 | extern unsigned long ldfile_output_machine; |
728 | extern enum bfd_architecture ldfile_output_architecture; | |
729 | ||
1418c83b | 730 | extern CONST char *output_filename; |
097879bc | 731 | bfd *output; |
097879bc | 732 | |
075d7359 | 733 | if (output_target == (char *) NULL) |
ae475b39 SC |
734 | { |
735 | if (current_target != (char *) NULL) | |
736 | output_target = current_target; | |
737 | else | |
738 | output_target = default_target; | |
739 | } | |
075d7359 SC |
740 | output = bfd_openw (name, output_target); |
741 | output_filename = name; | |
742 | ||
743 | if (output == (bfd *) NULL) | |
744 | { | |
ae475b39 SC |
745 | if (bfd_error == invalid_target) |
746 | { | |
747 | einfo ("%P%F target %s not found\n", output_target); | |
748 | } | |
749 | einfo ("%P%F problem opening output file %s, %E", name); | |
075d7359 | 750 | } |
30d1a390 SC |
751 | |
752 | /* output->flags |= D_PAGED;*/ | |
075d7359 | 753 | |
075d7359 | 754 | bfd_set_format (output, bfd_object); |
ae475b39 SC |
755 | bfd_set_arch_mach (output, |
756 | ldfile_output_architecture, | |
757 | ldfile_output_machine); | |
2fa0b342 DHW |
758 | return output; |
759 | } | |
1418c83b SC |
760 | |
761 | ||
097879bc | 762 | |
1418c83b | 763 | |
2fa0b342 | 764 | static void |
075d7359 SC |
765 | DEFUN (ldlang_open_output, (statement), |
766 | lang_statement_union_type * statement) | |
2fa0b342 | 767 | { |
075d7359 SC |
768 | switch (statement->header.type) |
769 | { | |
770 | case lang_output_statement_enum: | |
771 | output_bfd = open_output (statement->output_statement.name); | |
772 | ldemul_set_output_arch (); | |
773 | if (config.magic_demand_paged && !config.relocateable_output) | |
774 | output_bfd->flags |= D_PAGED; | |
775 | else | |
776 | output_bfd->flags &= ~D_PAGED; | |
777 | if (config.text_read_only) | |
778 | output_bfd->flags |= WP_TEXT; | |
779 | else | |
780 | output_bfd->flags &= ~WP_TEXT; | |
781 | break; | |
1418c83b | 782 | |
075d7359 SC |
783 | case lang_target_statement_enum: |
784 | current_target = statement->target_statement.target; | |
785 | break; | |
786 | default: | |
787 | break; | |
788 | } | |
1418c83b | 789 | } |
2fa0b342 | 790 | |
1418c83b | 791 | static void |
075d7359 SC |
792 | DEFUN (open_input_bfds, (statement), |
793 | lang_statement_union_type * statement) | |
1418c83b | 794 | { |
075d7359 SC |
795 | switch (statement->header.type) |
796 | { | |
1418c83b | 797 | case lang_target_statement_enum: |
075d7359 SC |
798 | current_target = statement->target_statement.target; |
799 | break; | |
800 | case lang_wild_statement_enum: | |
801 | /* Maybe we should load the file's symbols */ | |
802 | if (statement->wild_statement.filename) | |
803 | { | |
804 | (void) lookup_name (statement->wild_statement.filename); | |
805 | } | |
806 | break; | |
807 | case lang_input_statement_enum: | |
808 | if (statement->input_statement.real == true) | |
809 | { | |
810 | statement->input_statement.target = current_target; | |
811 | lookup_name (statement->input_statement.filename); | |
812 | } | |
813 | break; | |
814 | default: | |
815 | break; | |
816 | } | |
2fa0b342 | 817 | } |
075d7359 | 818 | |
2fa0b342 DHW |
819 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
820 | ||
821 | static void | |
075d7359 | 822 | lang_reasonable_defaults () |
2fa0b342 | 823 | { |
ffc50032 | 824 | |
ffc50032 | 825 | |
075d7359 | 826 | |
1418c83b | 827 | #if 0 |
075d7359 SC |
828 | lang_output_section_statement_lookup (".text"); |
829 | lang_output_section_statement_lookup (".data"); | |
8cb5eb31 | 830 | |
075d7359 SC |
831 | default_common_section = |
832 | lang_output_section_statement_lookup (".bss"); | |
8cb5eb31 | 833 | |
1418c83b | 834 | |
075d7359 SC |
835 | if (placed_commons == false) |
836 | { | |
837 | lang_wild_statement_type *new = | |
838 | new_stat (lang_wild_statement, | |
839 | &default_common_section->children); | |
840 | ||
841 | new->section_name = "COMMON"; | |
842 | new->filename = (char *) NULL; | |
843 | lang_list_init (&new->children); | |
844 | } | |
1418c83b | 845 | #endif |
8cb5eb31 | 846 | |
2fa0b342 DHW |
847 | } |
848 | ||
1418c83b SC |
849 | /* |
850 | Add the supplied name to the symbol table as an undefined reference. | |
851 | Remove items from the chain as we open input bfds | |
852 | */ | |
075d7359 SC |
853 | typedef struct ldlang_undef_chain_list |
854 | { | |
f177a611 | 855 | struct ldlang_undef_chain_list *next; |
1418c83b | 856 | char *name; |
075d7359 | 857 | } ldlang_undef_chain_list_type; |
1418c83b SC |
858 | |
859 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
860 | ||
861 | void | |
075d7359 SC |
862 | DEFUN (ldlang_add_undef, (name), |
863 | CONST char *CONST name) | |
2fa0b342 | 864 | { |
1418c83b | 865 | ldlang_undef_chain_list_type *new = |
075d7359 SC |
866 | (ldlang_undef_chain_list_type |
867 | *) stat_alloc ((bfd_size_type) (sizeof (ldlang_undef_chain_list_type))); | |
1418c83b SC |
868 | |
869 | new->next = ldlang_undef_chain_list_head; | |
870 | ldlang_undef_chain_list_head = new; | |
871 | ||
075d7359 | 872 | new->name = buystring (name); |
1418c83b | 873 | } |
075d7359 | 874 | |
1418c83b SC |
875 | /* Run through the list of undefineds created above and place them |
876 | into the linker hash table as undefined symbols belonging to the | |
877 | script file. | |
878 | */ | |
879 | static void | |
075d7359 | 880 | DEFUN_VOID (lang_place_undefineds) |
1418c83b SC |
881 | { |
882 | ldlang_undef_chain_list_type *ptr = ldlang_undef_chain_list_head; | |
1418c83b | 883 | |
075d7359 SC |
884 | while (ptr != (ldlang_undef_chain_list_type *) NULL) |
885 | { | |
886 | asymbol *def; | |
887 | asymbol **def_ptr = (asymbol **) stat_alloc ((bfd_size_type) (sizeof (asymbol **))); | |
888 | ||
889 | def = (asymbol *) bfd_make_empty_symbol (script_file->the_bfd); | |
890 | *def_ptr = def; | |
891 | def->name = ptr->name; | |
892 | def->section = &bfd_und_section; | |
893 | Q_enter_global_ref (def_ptr, ptr->name); | |
894 | ptr = ptr->next; | |
895 | } | |
896 | } | |
1418c83b SC |
897 | |
898 | /* Copy important data from out internal form to the bfd way. Also | |
899 | create a section for the dummy file | |
900 | */ | |
901 | ||
902 | static void | |
075d7359 | 903 | DEFUN_VOID (lang_create_output_section_statements) |
1418c83b | 904 | { |
075d7359 SC |
905 | lang_statement_union_type *os; |
906 | ||
1418c83b | 907 | for (os = lang_output_section_statement.head; |
075d7359 SC |
908 | os != (lang_statement_union_type *) NULL; |
909 | os = os->output_section_statement.next) | |
910 | { | |
911 | lang_output_section_statement_type *s = | |
1418c83b | 912 | &os->output_section_statement; |
075d7359 SC |
913 | |
914 | init_os (s); | |
915 | } | |
1418c83b SC |
916 | |
917 | } | |
918 | ||
919 | static void | |
075d7359 | 920 | DEFUN_VOID (lang_init_script_file) |
1418c83b | 921 | { |
075d7359 SC |
922 | script_file = lang_add_input_file ("script file", |
923 | lang_input_file_is_fake_enum, | |
924 | (char *) NULL); | |
925 | script_file->the_bfd = bfd_create ("script file", output_bfd); | |
1418c83b SC |
926 | script_file->symbol_count = 0; |
927 | script_file->the_bfd->sections = output_bfd->sections; | |
075d7359 | 928 | abs_output_section = lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); |
9d1fe8a4 | 929 | |
075d7359 | 930 | abs_output_section->bfd_section = &bfd_abs_section; |
9d1fe8a4 | 931 | |
2fa0b342 DHW |
932 | } |
933 | ||
2fa0b342 DHW |
934 | /* Open input files and attatch to output sections */ |
935 | static void | |
075d7359 SC |
936 | DEFUN (map_input_to_output_sections, (s, target, output_section_statement), |
937 | lang_statement_union_type * s AND | |
938 | CONST char *target AND | |
939 | lang_output_section_statement_type * output_section_statement) | |
2fa0b342 | 940 | { |
075d7359 | 941 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 942 | { |
075d7359 | 943 | switch (s->header.type) |
2fa0b342 | 944 | { |
075d7359 SC |
945 | |
946 | ||
947 | case lang_wild_statement_enum: | |
948 | wild (&s->wild_statement, s->wild_statement.section_name, | |
949 | s->wild_statement.filename, target, | |
950 | output_section_statement); | |
951 | ||
952 | break; | |
953 | case lang_constructors_statement_enum: | |
954 | map_input_to_output_sections (constructor_list.head, | |
955 | target, | |
956 | output_section_statement); | |
957 | break; | |
958 | case lang_output_section_statement_enum: | |
959 | map_input_to_output_sections (s->output_section_statement.children.head, | |
960 | target, | |
961 | &s->output_section_statement); | |
962 | break; | |
963 | case lang_output_statement_enum: | |
964 | break; | |
965 | case lang_target_statement_enum: | |
966 | target = s->target_statement.target; | |
967 | break; | |
968 | case lang_fill_statement_enum: | |
969 | case lang_input_section_enum: | |
970 | case lang_object_symbols_statement_enum: | |
971 | case lang_data_statement_enum: | |
972 | case lang_assignment_statement_enum: | |
973 | case lang_padding_statement_enum: | |
974 | break; | |
975 | case lang_afile_asection_pair_statement_enum: | |
976 | FAIL (); | |
977 | break; | |
978 | case lang_address_statement_enum: | |
979 | /* Mark the specified section with the supplied address */ | |
980 | { | |
981 | lang_output_section_statement_type *os = | |
2fa0b342 | 982 | lang_output_section_statement_lookup |
075d7359 SC |
983 | (s->address_statement.section_name); |
984 | ||
985 | os->addr_tree = s->address_statement.address; | |
986 | if (os->bfd_section == (asection *) NULL) | |
987 | { | |
988 | einfo ("%P%F can't set the address of undefined section %s\n", | |
989 | s->address_statement.section_name); | |
990 | } | |
48491e2e | 991 | } |
075d7359 SC |
992 | break; |
993 | case lang_input_statement_enum: | |
994 | /* A standard input statement, has no wildcards */ | |
995 | /* ldmain_open_file_read_symbol(&s->input_statement);*/ | |
996 | break; | |
2fa0b342 | 997 | } |
2fa0b342 DHW |
998 | } |
999 | } | |
1000 | ||
1001 | ||
1002 | ||
1003 | ||
1004 | ||
075d7359 SC |
1005 | static void |
1006 | DEFUN (print_output_section_statement, (output_section_statement), | |
1007 | lang_output_section_statement_type * output_section_statement) | |
2fa0b342 DHW |
1008 | { |
1009 | asection *section = output_section_statement->bfd_section; | |
075d7359 SC |
1010 | |
1011 | print_nl (); | |
1012 | print_section (output_section_statement->name); | |
1013 | ||
1014 | if (section) | |
1015 | { | |
1016 | print_dot = section->vma; | |
1017 | print_space (); | |
1018 | print_section (""); | |
1019 | print_space (); | |
1020 | print_address (section->vma); | |
1021 | print_space (); | |
ae475b39 SC |
1022 | print_size (section->_raw_size); |
1023 | print_space(); | |
1024 | print_size(section->_cooked_size); | |
075d7359 SC |
1025 | print_space (); |
1026 | print_alignment (section->alignment_power); | |
1027 | print_space (); | |
2fa0b342 | 1028 | #if 0 |
075d7359 SC |
1029 | fprintf (config.map_file, "%s flags", output_section_statement->region->name); |
1030 | print_flags (stdout, &output_section_statement->flags); | |
2fa0b342 | 1031 | #endif |
075d7359 SC |
1032 | if (section->flags & SEC_LOAD) |
1033 | fprintf (config.map_file, "load "); | |
1034 | if (section->flags & SEC_ALLOC) | |
1035 | fprintf (config.map_file, "alloc "); | |
1036 | if (section->flags & SEC_RELOC) | |
1037 | fprintf (config.map_file, "reloc "); | |
1038 | if (section->flags & SEC_HAS_CONTENTS) | |
1039 | fprintf (config.map_file, "contents "); | |
2fa0b342 | 1040 | |
075d7359 SC |
1041 | } |
1042 | else | |
1043 | { | |
1044 | fprintf (config.map_file, "No attached output section"); | |
1045 | } | |
1046 | print_nl (); | |
1047 | print_statement (output_section_statement->children.head, | |
1048 | output_section_statement); | |
2fa0b342 DHW |
1049 | |
1050 | } | |
1051 | ||
075d7359 SC |
1052 | static void |
1053 | DEFUN (print_assignment, (assignment, output_section), | |
1054 | lang_assignment_statement_type * assignment AND | |
1055 | lang_output_section_statement_type * output_section) | |
2fa0b342 DHW |
1056 | { |
1057 | etree_value_type result; | |
075d7359 SC |
1058 | |
1059 | print_section (""); | |
1060 | print_space (); | |
1061 | print_section (""); | |
1062 | print_space (); | |
1063 | print_address (print_dot); | |
1064 | print_space (); | |
1065 | result = exp_fold_tree (assignment->exp->assign.src, | |
1066 | output_section, | |
1067 | lang_final_phase_enum, | |
1068 | print_dot, | |
1069 | &print_dot); | |
1070 | ||
1071 | if (result.valid) | |
1072 | { | |
1073 | print_address (result.value); | |
1074 | } | |
1075 | else | |
1076 | { | |
1077 | fprintf (config.map_file, "*undefined*"); | |
1078 | } | |
1079 | print_space (); | |
1080 | exp_print_tree (assignment->exp); | |
1081 | ||
1082 | fprintf (config.map_file, "\n"); | |
2fa0b342 DHW |
1083 | } |
1084 | ||
1085 | static void | |
075d7359 SC |
1086 | DEFUN (print_input_statement, (statm), |
1087 | lang_input_statement_type * statm) | |
2fa0b342 | 1088 | { |
075d7359 SC |
1089 | if (statm->filename != (char *) NULL) |
1090 | { | |
1091 | fprintf (config.map_file, "LOAD %s\n", statm->filename); | |
1092 | } | |
2fa0b342 DHW |
1093 | } |
1094 | ||
075d7359 SC |
1095 | static void |
1096 | DEFUN (print_symbol, (q), | |
1097 | asymbol * q) | |
2fa0b342 | 1098 | { |
075d7359 SC |
1099 | print_section (""); |
1100 | fprintf (config.map_file, " "); | |
1101 | print_section (""); | |
1102 | fprintf (config.map_file, " "); | |
1103 | print_address (outside_symbol_address (q)); | |
1104 | fprintf (config.map_file, " %s", q->name ? q->name : " "); | |
1105 | print_nl (); | |
2fa0b342 | 1106 | } |
1418c83b | 1107 | |
075d7359 SC |
1108 | static void |
1109 | DEFUN (print_input_section, (in), | |
1110 | lang_input_section_type * in) | |
2fa0b342 DHW |
1111 | { |
1112 | asection *i = in->section; | |
aa34a7c3 | 1113 | int size = i->reloc_done ? |
075d7359 SC |
1114 | bfd_get_section_size_after_reloc (i) : |
1115 | bfd_get_section_size_before_reloc (i); | |
1418c83b | 1116 | |
075d7359 SC |
1117 | if (size != 0) |
1118 | { | |
1119 | print_section (""); | |
1120 | fprintf (config.map_file, " "); | |
1121 | print_section (i->name); | |
1122 | fprintf (config.map_file, " "); | |
1123 | if (i->output_section) | |
1124 | { | |
1125 | print_address (i->output_section->vma + i->output_offset); | |
1126 | fprintf (config.map_file, " "); | |
ae475b39 SC |
1127 | print_size (i->_raw_size); |
1128 | fprintf (config.map_file, " "); | |
1129 | print_size(i->_cooked_size); | |
075d7359 SC |
1130 | fprintf (config.map_file, " "); |
1131 | print_alignment (i->alignment_power); | |
1132 | fprintf (config.map_file, " "); | |
1133 | if (in->ifile) | |
1134 | { | |
2fa0b342 | 1135 | |
075d7359 | 1136 | bfd *abfd = in->ifile->the_bfd; |
2fa0b342 | 1137 | |
075d7359 SC |
1138 | if (in->ifile->just_syms_flag == true) |
1139 | { | |
1140 | fprintf (config.map_file, "symbols only "); | |
1141 | } | |
2fa0b342 | 1142 | |
075d7359 SC |
1143 | fprintf (config.map_file, " %s ", abfd->xvec->name); |
1144 | if (abfd->my_archive != (bfd *) NULL) | |
1145 | { | |
1146 | fprintf (config.map_file, "[%s]%s", abfd->my_archive->filename, | |
1147 | abfd->filename); | |
1148 | } | |
1149 | else | |
1150 | { | |
1151 | fprintf (config.map_file, "%s", abfd->filename); | |
1152 | } | |
1153 | fprintf (config.map_file, "(overhead %d bytes)", (int) bfd_alloc_size (abfd)); | |
1154 | print_nl (); | |
2fa0b342 | 1155 | |
075d7359 SC |
1156 | /* Find all the symbols in this file defined in this section */ |
1157 | ||
ae475b39 SC |
1158 | if (in->ifile->symbol_count) |
1159 | { | |
1160 | asymbol **p; | |
075d7359 | 1161 | |
ae475b39 SC |
1162 | for (p = in->ifile->asymbols; *p; p++) |
1163 | { | |
1164 | asymbol *q = *p; | |
075d7359 | 1165 | |
ae475b39 SC |
1166 | if (bfd_get_section (q) == i && q->flags & BSF_GLOBAL) |
1167 | { | |
1168 | print_symbol (q); | |
1169 | } | |
1170 | } | |
1171 | } | |
075d7359 SC |
1172 | } |
1173 | else | |
1174 | { | |
1175 | print_nl (); | |
1176 | } | |
1177 | ||
1178 | ||
1179 | print_dot = outside_section_address (i) + size; | |
1180 | } | |
1181 | else | |
1182 | { | |
1183 | fprintf (config.map_file, "No output section allocated\n"); | |
1184 | } | |
1185 | } | |
1186 | } | |
2fa0b342 DHW |
1187 | |
1188 | static void | |
075d7359 SC |
1189 | DEFUN (print_fill_statement, (fill), |
1190 | lang_fill_statement_type * fill) | |
1191 | { | |
1192 | fprintf (config.map_file, "FILL mask "); | |
1193 | print_fill (fill->fill); | |
1194 | } | |
1195 | ||
1196 | static void | |
1197 | DEFUN (print_data_statement, (data), | |
1198 | lang_data_statement_type * data) | |
2fa0b342 DHW |
1199 | { |
1200 | /* bfd_vma value; */ | |
075d7359 SC |
1201 | print_section (""); |
1202 | print_space (); | |
1203 | print_section (""); | |
1204 | print_space (); | |
65c552e3 | 1205 | /* ASSERT(print_dot == data->output_vma);*/ |
2fa0b342 | 1206 | |
075d7359 SC |
1207 | print_address (data->output_vma + data->output_section->vma); |
1208 | print_space (); | |
1209 | print_address (data->value); | |
1210 | print_space (); | |
1211 | switch (data->type) | |
1212 | { | |
1213 | case BYTE: | |
1214 | fprintf (config.map_file, "BYTE "); | |
1215 | print_dot += BYTE_SIZE; | |
1216 | break; | |
1217 | case SHORT: | |
1218 | fprintf (config.map_file, "SHORT "); | |
1219 | print_dot += SHORT_SIZE; | |
1220 | break; | |
1221 | case LONG: | |
1222 | fprintf (config.map_file, "LONG "); | |
1223 | print_dot += LONG_SIZE; | |
1224 | break; | |
1225 | } | |
1226 | ||
1227 | exp_print_tree (data->exp); | |
2fa0b342 | 1228 | |
075d7359 | 1229 | fprintf (config.map_file, "\n"); |
2fa0b342 DHW |
1230 | } |
1231 | ||
1232 | ||
1233 | static void | |
075d7359 SC |
1234 | DEFUN (print_padding_statement, (s), |
1235 | lang_padding_statement_type * s) | |
1236 | { | |
1237 | print_section (""); | |
1238 | print_space (); | |
1239 | print_section ("*fill*"); | |
1240 | print_space (); | |
1241 | print_address (s->output_offset + s->output_section->vma); | |
1242 | print_space (); | |
1243 | print_size (s->size); | |
1244 | print_space (); | |
1245 | print_fill (s->fill); | |
1246 | print_nl (); | |
ffc50032 | 1247 | |
aa34a7c3 | 1248 | print_dot = s->output_offset + s->output_section->vma + s->size; |
ffc50032 | 1249 | |
2fa0b342 DHW |
1250 | } |
1251 | ||
075d7359 SC |
1252 | static void |
1253 | DEFUN (print_wild_statement, (w, os), | |
1254 | lang_wild_statement_type * w AND | |
1255 | lang_output_section_statement_type * os) | |
2fa0b342 | 1256 | { |
075d7359 SC |
1257 | fprintf (config.map_file, " from "); |
1258 | if (w->filename != (char *) NULL) | |
1259 | { | |
1260 | fprintf (config.map_file, "%s", w->filename); | |
1261 | } | |
1262 | else | |
1263 | { | |
1264 | fprintf (config.map_file, "*"); | |
1265 | } | |
1266 | if (w->section_name != (char *) NULL) | |
1267 | { | |
1268 | fprintf (config.map_file, "(%s)", w->section_name); | |
1269 | } | |
1270 | else | |
1271 | { | |
1272 | fprintf (config.map_file, "(*)"); | |
1273 | } | |
1274 | print_nl (); | |
1275 | print_statement (w->children.head, os); | |
2fa0b342 DHW |
1276 | |
1277 | } | |
1278 | static void | |
075d7359 SC |
1279 | DEFUN (print_statement, (s, os), |
1280 | lang_statement_union_type * s AND | |
1281 | lang_output_section_statement_type * os) | |
2fa0b342 | 1282 | { |
075d7359 | 1283 | while (s) |
c611e285 | 1284 | { |
075d7359 | 1285 | switch (s->header.type) |
c611e285 | 1286 | { |
075d7359 SC |
1287 | case lang_constructors_statement_enum: |
1288 | fprintf (config.map_file, "constructors:\n"); | |
1289 | print_statement (constructor_list.head, os); | |
1290 | break; | |
1291 | case lang_wild_statement_enum: | |
1292 | print_wild_statement (&s->wild_statement, os); | |
1293 | break; | |
1294 | default: | |
1295 | fprintf (config.map_file, "Fail with %d\n", s->header.type); | |
1296 | FAIL (); | |
1297 | break; | |
1298 | case lang_address_statement_enum: | |
1299 | fprintf (config.map_file, "address\n"); | |
1300 | break; | |
1301 | case lang_object_symbols_statement_enum: | |
1302 | fprintf (config.map_file, "object symbols\n"); | |
1303 | break; | |
1304 | case lang_fill_statement_enum: | |
1305 | print_fill_statement (&s->fill_statement); | |
1306 | break; | |
1307 | case lang_data_statement_enum: | |
1308 | print_data_statement (&s->data_statement); | |
1309 | break; | |
1310 | case lang_input_section_enum: | |
1311 | print_input_section (&s->input_section); | |
1312 | break; | |
1313 | case lang_padding_statement_enum: | |
1314 | print_padding_statement (&s->padding_statement); | |
1315 | break; | |
1316 | case lang_output_section_statement_enum: | |
1317 | print_output_section_statement (&s->output_section_statement); | |
1318 | break; | |
1319 | case lang_assignment_statement_enum: | |
1320 | print_assignment (&s->assignment_statement, | |
1321 | os); | |
1322 | break; | |
1323 | case lang_target_statement_enum: | |
1324 | fprintf (config.map_file, "TARGET(%s)\n", s->target_statement.target); | |
1325 | break; | |
1326 | case lang_output_statement_enum: | |
1327 | fprintf (config.map_file, "OUTPUT(%s %s)\n", | |
c611e285 SC |
1328 | s->output_statement.name, |
1329 | output_target); | |
075d7359 SC |
1330 | break; |
1331 | case lang_input_statement_enum: | |
1332 | print_input_statement (&s->input_statement); | |
1333 | break; | |
1334 | case lang_afile_asection_pair_statement_enum: | |
1335 | FAIL (); | |
1336 | break; | |
c611e285 | 1337 | } |
075d7359 | 1338 | s = s->next; |
2fa0b342 | 1339 | } |
2fa0b342 DHW |
1340 | } |
1341 | ||
1342 | ||
1343 | static void | |
075d7359 | 1344 | DEFUN_VOID (print_statements) |
2fa0b342 | 1345 | { |
075d7359 SC |
1346 | print_statement (statement_list.head, |
1347 | abs_output_section); | |
1348 | ||
2fa0b342 DHW |
1349 | } |
1350 | ||
1351 | static bfd_vma | |
075d7359 SC |
1352 | DEFUN (insert_pad, (this_ptr, fill, power, output_section_statement, dot), |
1353 | lang_statement_union_type ** this_ptr AND | |
1354 | fill_type fill AND | |
1355 | unsigned int power AND | |
1356 | asection * output_section_statement AND | |
1357 | bfd_vma dot) | |
1358 | { | |
1359 | /* Align this section first to the | |
2fa0b342 DHW |
1360 | input sections requirement, then |
1361 | to the output section's requirement. | |
075d7359 | 1362 | If this alignment is > than any seen before, |
2fa0b342 DHW |
1363 | then record it too. Perform the alignment by |
1364 | inserting a magic 'padding' statement. | |
1365 | */ | |
1366 | ||
075d7359 | 1367 | unsigned int alignment_needed = align_power (dot, power) - dot; |
2fa0b342 | 1368 | |
075d7359 | 1369 | if (alignment_needed != 0) |
2fa0b342 | 1370 | { |
075d7359 SC |
1371 | lang_statement_union_type *new = |
1372 | (lang_statement_union_type *) | |
1373 | stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type))); | |
1374 | ||
2fa0b342 DHW |
1375 | /* Link into existing chain */ |
1376 | new->header.next = *this_ptr; | |
1377 | *this_ptr = new; | |
1378 | new->header.type = lang_padding_statement_enum; | |
1379 | new->padding_statement.output_section = output_section_statement; | |
1380 | new->padding_statement.output_offset = | |
1381 | dot - output_section_statement->vma; | |
1382 | new->padding_statement.fill = fill; | |
1383 | new->padding_statement.size = alignment_needed; | |
1384 | } | |
1385 | ||
1386 | ||
1387 | /* Remember the most restrictive alignment */ | |
075d7359 SC |
1388 | if (power > output_section_statement->alignment_power) |
1389 | { | |
1390 | output_section_statement->alignment_power = power; | |
1391 | } | |
c611e285 | 1392 | output_section_statement->_raw_size += alignment_needed; |
2fa0b342 DHW |
1393 | return alignment_needed + dot; |
1394 | ||
1395 | } | |
1396 | ||
1418c83b | 1397 | /* Work out how much this section will move the dot point */ |
075d7359 | 1398 | static bfd_vma |
ae475b39 SC |
1399 | DEFUN (size_input_section, (this_ptr, output_section_statement, fill, |
1400 | dot, relax), | |
075d7359 SC |
1401 | lang_statement_union_type ** this_ptr AND |
1402 | lang_output_section_statement_type * output_section_statement AND | |
1403 | unsigned short fill AND | |
ae475b39 SC |
1404 | bfd_vma dot AND |
1405 | boolean relax) | |
2fa0b342 DHW |
1406 | { |
1407 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1408 | asection *i = is->section; | |
2fa0b342 | 1409 | |
075d7359 SC |
1410 | if (is->ifile->just_syms_flag == false) |
1411 | { | |
1412 | dot = insert_pad (this_ptr, fill, i->alignment_power, | |
1413 | output_section_statement->bfd_section, dot); | |
1414 | ||
1415 | /* remember the largest size so we can malloc the largest area | |
1416 | needed for the output stage. Only remember the size of sections | |
1417 | which we will actually allocate */ | |
1418 | if (((i->flags & | |
1419 | (SEC_HAS_CONTENTS | SEC_LOAD)) == (SEC_HAS_CONTENTS | SEC_LOAD)) | |
1420 | && (bfd_get_section_size_before_reloc (i) > largest_section)) | |
1421 | { | |
1422 | largest_section = bfd_get_section_size_before_reloc (i); | |
1423 | } | |
2fa0b342 | 1424 | |
075d7359 | 1425 | /* Remember where in the output section this input section goes */ |
ac004870 | 1426 | |
075d7359 SC |
1427 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1428 | ||
ae475b39 SC |
1429 | /* Mark how big the output section must be to contain this now |
1430 | */ | |
1431 | if (relax) | |
1432 | { | |
1433 | dot += i->_cooked_size; | |
1434 | } | |
1435 | else | |
1436 | { | |
1437 | dot += i->_raw_size; | |
1438 | } | |
1439 | output_section_statement->bfd_section->_raw_size = dot - output_section_statement->bfd_section->vma; | |
075d7359 | 1440 | } |
ac004870 | 1441 | else |
075d7359 SC |
1442 | { |
1443 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1444 | } | |
2fa0b342 | 1445 | |
075d7359 | 1446 | return dot; |
2fa0b342 DHW |
1447 | } |
1448 | ||
c611e285 SC |
1449 | /* Sizing happens in two passes, first pass we allocate worst case |
1450 | stuff. The second pass (if relaxing), we use what we learnt to | |
1451 | change the size of some relocs from worst case to better | |
1452 | */ | |
1453 | static boolean had_relax; | |
1454 | ||
1455 | static bfd_vma | |
075d7359 SC |
1456 | DEFUN (lang_size_sections, (s, output_section_statement, prev, fill, |
1457 | dot, relax), | |
1458 | lang_statement_union_type * s AND | |
1459 | lang_output_section_statement_type * output_section_statement AND | |
1460 | lang_statement_union_type ** prev AND | |
1461 | unsigned short fill AND | |
1462 | bfd_vma dot AND | |
1463 | boolean relax) | |
c611e285 SC |
1464 | { |
1465 | /* Size up the sections from their constituent parts */ | |
075d7359 | 1466 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
ae475b39 SC |
1467 | { |
1468 | switch (s->header.type) | |
075d7359 | 1469 | { |
c611e285 | 1470 | |
ae475b39 SC |
1471 | case lang_output_section_statement_enum: |
1472 | { | |
1473 | bfd_vma after; | |
1474 | lang_output_section_statement_type *os = &s->output_section_statement; | |
1475 | ||
1476 | if (os->bfd_section == &bfd_abs_section) | |
1477 | { | |
1478 | /* No matter what happens, an abs section starts at zero */ | |
1479 | bfd_set_section_vma (0, os->bfd_section, 0); | |
1480 | } | |
1481 | else | |
1482 | { | |
1483 | if (os->addr_tree == (etree_type *) NULL) | |
1484 | { | |
1485 | /* No address specified for this section, get one | |
1486 | from the region specification | |
1487 | */ | |
1488 | if (os->region == (lang_memory_region_type *) NULL) | |
1489 | { | |
1490 | os->region = lang_memory_region_lookup ("*default*"); | |
1491 | } | |
1492 | dot = os->region->current; | |
1493 | } | |
1494 | else | |
1495 | { | |
1496 | etree_value_type r; | |
1497 | ||
1498 | r = exp_fold_tree (os->addr_tree, | |
1499 | abs_output_section, | |
1500 | lang_allocating_phase_enum, | |
1501 | dot, &dot); | |
1502 | if (r.valid == false) | |
1503 | { | |
1504 | einfo ("%F%S: non constant address expression for section %s\n", | |
1505 | os->name); | |
1506 | } | |
1507 | dot = r.value; | |
1508 | } | |
1509 | /* The section starts here */ | |
1510 | /* First, align to what the section needs */ | |
1511 | ||
1512 | ||
1513 | dot = align_power (dot, os->bfd_section->alignment_power); | |
1514 | bfd_set_section_vma (0, os->bfd_section, dot); | |
1515 | } | |
1516 | ||
1517 | ||
1518 | os->bfd_section->output_offset = 0; | |
1519 | ||
1520 | (void) lang_size_sections (os->children.head, os, &os->children.head, | |
1521 | os->fill, dot, relax); | |
1522 | /* Ignore the size of the input sections, use the vma and size to */ | |
1523 | /* align against */ | |
1524 | ||
1525 | ||
1526 | after = ALIGN (os->bfd_section->vma + | |
1527 | os->bfd_section->_raw_size, | |
1528 | os->block_value); | |
1529 | ||
1530 | ||
1531 | os->bfd_section->_raw_size = after - os->bfd_section->vma; | |
1532 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1533 | os->processed = true; | |
1534 | ||
1535 | /* Replace into region ? */ | |
1536 | if (os->addr_tree == (etree_type *) NULL | |
1537 | && os->region != (lang_memory_region_type *) NULL) | |
1538 | { | |
1539 | os->region->current = dot; | |
1540 | /* Make sure this isn't silly */ | |
1541 | if (os->region->current > | |
1542 | os->region->origin + | |
1543 | os->region->length) | |
1544 | { | |
1545 | einfo ("%X%P: Region %s is full (%B section %s)\n", | |
1546 | os->region->name, | |
1547 | os->bfd_section->owner, | |
1548 | os->bfd_section->name); | |
1549 | /* Reset the region pointer */ | |
1550 | os->region->current = 0; | |
1551 | ||
1552 | } | |
1553 | ||
1554 | } | |
1555 | } | |
9d1fe8a4 | 1556 | |
ae475b39 SC |
1557 | break; |
1558 | case lang_constructors_statement_enum: | |
1559 | dot = lang_size_sections (constructor_list.head, | |
1560 | output_section_statement, | |
1561 | &s->wild_statement.children.head, | |
1562 | fill, | |
1563 | dot, relax); | |
1564 | break; | |
9d1fe8a4 | 1565 | |
ae475b39 SC |
1566 | case lang_data_statement_enum: |
1567 | { | |
1568 | unsigned int size = 0; | |
1569 | ||
1570 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; | |
1571 | s->data_statement.output_section = | |
1572 | output_section_statement->bfd_section; | |
1573 | ||
1574 | switch (s->data_statement.type) | |
1575 | { | |
1576 | case LONG: | |
1577 | size = LONG_SIZE; | |
1578 | break; | |
1579 | case SHORT: | |
1580 | size = SHORT_SIZE; | |
1581 | break; | |
1582 | case BYTE: | |
1583 | size = BYTE_SIZE; | |
1584 | break; | |
1585 | ||
1586 | } | |
1587 | dot += size; | |
1588 | output_section_statement->bfd_section->_raw_size += size; | |
1589 | } | |
1590 | break; | |
c611e285 | 1591 | |
ae475b39 | 1592 | case lang_wild_statement_enum: |
c611e285 | 1593 | |
ae475b39 SC |
1594 | dot = lang_size_sections (s->wild_statement.children.head, |
1595 | output_section_statement, | |
1596 | &s->wild_statement.children.head, | |
c611e285 | 1597 | |
ae475b39 | 1598 | fill, dot, relax); |
c611e285 | 1599 | |
ae475b39 | 1600 | break; |
c611e285 | 1601 | |
ae475b39 SC |
1602 | case lang_object_symbols_statement_enum: |
1603 | create_object_symbols = output_section_statement; | |
1604 | break; | |
1605 | case lang_output_statement_enum: | |
1606 | case lang_target_statement_enum: | |
1607 | break; | |
1608 | case lang_input_section_enum: | |
1609 | if (relax) | |
1610 | { | |
1611 | relaxing = true; | |
c611e285 | 1612 | |
ae475b39 SC |
1613 | if( relax_section (prev)) |
1614 | had_relax = true; | |
1615 | relaxing = false; | |
075d7359 | 1616 | |
ae475b39 SC |
1617 | } |
1618 | else { | |
1619 | (*prev)->input_section.section->_cooked_size = | |
1620 | (*prev)->input_section.section->_raw_size ; | |
075d7359 | 1621 | |
ae475b39 SC |
1622 | } |
1623 | dot = size_input_section (prev, | |
1624 | output_section_statement, | |
1625 | output_section_statement->fill, | |
1626 | dot, relax); | |
1627 | break; | |
1628 | case lang_input_statement_enum: | |
1629 | break; | |
1630 | case lang_fill_statement_enum: | |
1631 | s->fill_statement.output_section = output_section_statement->bfd_section; | |
075d7359 | 1632 | |
ae475b39 SC |
1633 | fill = s->fill_statement.fill; |
1634 | break; | |
1635 | case lang_assignment_statement_enum: | |
1636 | { | |
1637 | bfd_vma newdot = dot; | |
1638 | ||
1639 | exp_fold_tree (s->assignment_statement.exp, | |
1640 | output_section_statement, | |
1641 | lang_allocating_phase_enum, | |
1642 | dot, | |
1643 | &newdot); | |
1644 | ||
1645 | if (newdot != dot && !relax) | |
1646 | /* We've been moved ! so insert a pad */ | |
1647 | { | |
1648 | lang_statement_union_type *new = | |
1649 | (lang_statement_union_type *) | |
1650 | stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type))); | |
1651 | ||
1652 | /* Link into existing chain */ | |
1653 | new->header.next = *prev; | |
1654 | *prev = new; | |
1655 | new->header.type = lang_padding_statement_enum; | |
1656 | new->padding_statement.output_section = | |
1657 | output_section_statement->bfd_section; | |
1658 | new->padding_statement.output_offset = | |
1659 | dot - output_section_statement->bfd_section->vma; | |
1660 | new->padding_statement.fill = fill; | |
1661 | new->padding_statement.size = newdot - dot; | |
1662 | output_section_statement->bfd_section->_raw_size += | |
1663 | new->padding_statement.size; | |
1664 | dot = newdot; | |
1665 | } | |
1666 | } | |
075d7359 | 1667 | |
ae475b39 SC |
1668 | break; |
1669 | default: | |
1670 | FAIL (); | |
1671 | break; | |
1672 | /* This can only get here when relaxing is turned on */ | |
1673 | case lang_padding_statement_enum: | |
075d7359 | 1674 | |
ae475b39 SC |
1675 | case lang_address_statement_enum: |
1676 | break; | |
075d7359 | 1677 | } |
ae475b39 SC |
1678 | prev = &s->header.next; |
1679 | } | |
c611e285 SC |
1680 | return dot; |
1681 | } | |
9d1fe8a4 | 1682 | |
2fa0b342 | 1683 | static bfd_vma |
075d7359 SC |
1684 | DEFUN (lang_do_assignments, (s, output_section_statement, fill, dot), |
1685 | lang_statement_union_type * s AND | |
1686 | lang_output_section_statement_type * output_section_statement AND | |
1687 | unsigned short fill AND | |
1688 | bfd_vma dot) | |
2fa0b342 DHW |
1689 | { |
1690 | ||
075d7359 | 1691 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1692 | { |
075d7359 | 1693 | switch (s->header.type) |
2fa0b342 | 1694 | { |
075d7359 SC |
1695 | case lang_constructors_statement_enum: |
1696 | dot = lang_do_assignments (constructor_list.head, | |
1697 | output_section_statement, | |
1698 | fill, | |
1699 | dot); | |
1700 | break; | |
1701 | ||
1702 | case lang_output_section_statement_enum: | |
1703 | { | |
1704 | lang_output_section_statement_type *os = | |
2fa0b342 | 1705 | &(s->output_section_statement); |
2fa0b342 | 1706 | |
075d7359 SC |
1707 | dot = os->bfd_section->vma; |
1708 | (void) lang_do_assignments (os->children.head, os, os->fill, dot); | |
1709 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1710 | } | |
1711 | break; | |
1712 | case lang_wild_statement_enum: | |
2fa0b342 | 1713 | |
075d7359 SC |
1714 | dot = lang_do_assignments (s->wild_statement.children.head, |
1715 | output_section_statement, | |
1716 | fill, dot); | |
2fa0b342 | 1717 | |
075d7359 SC |
1718 | break; |
1719 | ||
1720 | case lang_object_symbols_statement_enum: | |
1721 | case lang_output_statement_enum: | |
1722 | case lang_target_statement_enum: | |
1418c83b | 1723 | #if 0 |
075d7359 | 1724 | case lang_common_statement_enum: |
1418c83b | 1725 | #endif |
2fa0b342 | 1726 | break; |
075d7359 SC |
1727 | case lang_data_statement_enum: |
1728 | { | |
1729 | etree_value_type value; | |
1730 | ||
1731 | value = exp_fold_tree (s->data_statement.exp, | |
1732 | abs_output_section, | |
1733 | lang_final_phase_enum, dot, &dot); | |
1734 | s->data_statement.value = value.value; | |
1735 | if (value.valid == false) | |
1736 | einfo ("%F%P: Invalid data statement\n"); | |
1737 | } | |
1738 | switch (s->data_statement.type) | |
1739 | { | |
1740 | case LONG: | |
1741 | dot += LONG_SIZE; | |
1742 | break; | |
1743 | case SHORT: | |
1744 | dot += SHORT_SIZE; | |
1745 | break; | |
1746 | case BYTE: | |
1747 | dot += BYTE_SIZE; | |
1748 | break; | |
1749 | } | |
2fa0b342 | 1750 | break; |
075d7359 SC |
1751 | case lang_input_section_enum: |
1752 | { | |
1753 | asection *in = s->input_section.section; | |
1754 | ||
1755 | dot += bfd_get_section_size_before_reloc (in); | |
1756 | } | |
2fa0b342 | 1757 | break; |
2fa0b342 | 1758 | |
075d7359 SC |
1759 | case lang_input_statement_enum: |
1760 | break; | |
1761 | case lang_fill_statement_enum: | |
1762 | fill = s->fill_statement.fill; | |
1763 | break; | |
1764 | case lang_assignment_statement_enum: | |
1765 | { | |
1766 | exp_fold_tree (s->assignment_statement.exp, | |
1767 | output_section_statement, | |
1768 | lang_final_phase_enum, | |
1769 | dot, | |
1770 | &dot); | |
1771 | } | |
1772 | ||
1773 | break; | |
1774 | case lang_padding_statement_enum: | |
1775 | dot += s->padding_statement.size; | |
1776 | break; | |
1777 | default: | |
1778 | FAIL (); | |
1779 | break; | |
1780 | case lang_address_statement_enum: | |
1781 | break; | |
1782 | } | |
2fa0b342 DHW |
1783 | |
1784 | } | |
1785 | return dot; | |
1786 | } | |
1787 | ||
1788 | ||
1789 | ||
075d7359 SC |
1790 | static void |
1791 | DEFUN_VOID (lang_relocate_globals) | |
1792 | { | |
2fa0b342 DHW |
1793 | |
1794 | /* | |
1418c83b SC |
1795 | Each ldsym_type maintains a chain of pointers to asymbols which |
1796 | references the definition. Replace each pointer to the referenence | |
1797 | with a pointer to only one place, preferably the definition. If | |
1798 | the defintion isn't available then the common symbol, and if | |
1799 | there isn't one of them then choose one reference. | |
1800 | */ | |
2fa0b342 | 1801 | |
075d7359 SC |
1802 | FOR_EACH_LDSYM (lgs) |
1803 | { | |
2fa0b342 | 1804 | asymbol *it; |
2fa0b342 | 1805 | |
075d7359 SC |
1806 | if (lgs->sdefs_chain) |
1807 | { | |
1808 | it = *(lgs->sdefs_chain); | |
1809 | } | |
1810 | else if (lgs->scoms_chain != (asymbol **) NULL) | |
1811 | { | |
1812 | it = *(lgs->scoms_chain); | |
1813 | } | |
1814 | else if (lgs->srefs_chain != (asymbol **) NULL) | |
1815 | { | |
1816 | it = *(lgs->srefs_chain); | |
1817 | } | |
1818 | else | |
1819 | { | |
1820 | /* This can happen when the command line asked for a symbol to | |
1821 | be -u */ | |
1822 | it = (asymbol *) NULL; | |
1823 | } | |
1824 | if (it != (asymbol *) NULL) | |
1825 | { | |
1826 | asymbol **ptr = lgs->srefs_chain;; | |
1827 | if (lgs->flags & SYM_WARNING) | |
1828 | { | |
1829 | produce_warnings (lgs, it); | |
1830 | } | |
1831 | ||
1832 | while (ptr != (asymbol **) NULL) | |
1833 | { | |
1418c83b | 1834 | asymbol *ref = *ptr; |
075d7359 | 1835 | |
1418c83b | 1836 | *ptr = it; |
075d7359 | 1837 | ptr = (asymbol **) (ref->udata); |
1418c83b | 1838 | } |
075d7359 | 1839 | } |
2fa0b342 DHW |
1840 | } |
1841 | } | |
1842 | ||
1843 | ||
1844 | ||
2fa0b342 | 1845 | static void |
075d7359 | 1846 | DEFUN_VOID (lang_finish) |
2fa0b342 DHW |
1847 | { |
1848 | ldsym_type *lgs; | |
1849 | ||
075d7359 SC |
1850 | if (entry_symbol == (char *) NULL) |
1851 | { | |
1852 | /* No entry has been specified, look for start */ | |
1853 | entry_symbol = "start"; | |
1854 | } | |
1855 | lgs = ldsym_get_soft (entry_symbol); | |
1856 | if (lgs && lgs->sdefs_chain) | |
1857 | { | |
1858 | asymbol *sy = *(lgs->sdefs_chain); | |
1859 | ||
1860 | /* We can set the entry address*/ | |
1861 | bfd_set_start_address (output_bfd, | |
1862 | outside_symbol_address (sy)); | |
2fa0b342 | 1863 | |
2fa0b342 | 1864 | } |
075d7359 SC |
1865 | else |
1866 | { | |
1867 | /* Can't find anything reasonable, | |
1868 | use the first address in the text section | |
1869 | */ | |
1870 | asection *ts = bfd_get_section_by_name (output_bfd, ".text"); | |
1871 | ||
1872 | if (ts) | |
1873 | { | |
1874 | bfd_set_start_address (output_bfd, ts->vma); | |
1875 | } | |
1876 | } | |
2fa0b342 DHW |
1877 | } |
1878 | ||
1879 | /* By now we know the target architecture, and we may have an */ | |
1880 | /* ldfile_output_machine_name */ | |
1881 | static void | |
075d7359 | 1882 | DEFUN_VOID (lang_check) |
2fa0b342 DHW |
1883 | { |
1884 | lang_statement_union_type *file; | |
075d7359 SC |
1885 | bfd *input_bfd; |
1886 | unsigned long input_machine; | |
1887 | enum bfd_architecture input_architecture; | |
1888 | CONST bfd_arch_info_type *compatible; | |
7bc4a0d7 | 1889 | |
2fa0b342 | 1890 | for (file = file_chain.head; |
075d7359 SC |
1891 | file != (lang_statement_union_type *) NULL; |
1892 | file = file->input_statement.next) | |
1893 | { | |
1894 | unsigned long ldfile_new_output_machine = 0; | |
1895 | enum bfd_architecture ldfile_new_output_architecture = bfd_arch_unknown; | |
7bc4a0d7 | 1896 | |
075d7359 | 1897 | input_bfd = file->input_statement.the_bfd; |
7bc4a0d7 | 1898 | |
075d7359 SC |
1899 | input_machine = bfd_get_mach (input_bfd); |
1900 | input_architecture = bfd_get_arch (input_bfd); | |
7bc4a0d7 | 1901 | |
7bc4a0d7 | 1902 | |
075d7359 SC |
1903 | /* Inspect the architecture and ensure we're linking like with |
1904 | like */ | |
7bc4a0d7 | 1905 | |
075d7359 SC |
1906 | compatible = bfd_arch_get_compatible (input_bfd, |
1907 | output_bfd); | |
7bc4a0d7 | 1908 | |
075d7359 SC |
1909 | if (compatible) |
1910 | { | |
1911 | ldfile_output_machine = compatible->mach; | |
1912 | ldfile_output_architecture = compatible->arch; | |
1913 | } | |
1914 | else | |
1915 | { | |
7bc4a0d7 | 1916 | |
075d7359 SC |
1917 | info ("%P: warning, %s architecture of input file `%B' incompatible with %s output\n", |
1918 | bfd_printable_name (input_bfd), input_bfd, | |
1919 | bfd_printable_name (output_bfd)); | |
7bc4a0d7 | 1920 | |
075d7359 SC |
1921 | bfd_set_arch_mach (output_bfd, |
1922 | ldfile_new_output_architecture, | |
1923 | ldfile_new_output_machine); | |
1924 | } | |
2fa0b342 | 1925 | |
075d7359 SC |
1926 | } |
1927 | } | |
2fa0b342 DHW |
1928 | |
1929 | /* | |
075d7359 SC |
1930 | * run through all the global common symbols and tie them |
1931 | * to the output section requested. | |
b6316534 SC |
1932 | * |
1933 | As an experiment we do this 4 times, once for all the byte sizes, | |
1934 | then all the two bytes, all the four bytes and then everything else | |
1935 | */ | |
2fa0b342 DHW |
1936 | |
1937 | static void | |
075d7359 | 1938 | DEFUN_VOID (lang_common) |
2fa0b342 DHW |
1939 | { |
1940 | ldsym_type *lgs; | |
b6316534 | 1941 | size_t power; |
075d7359 | 1942 | |
2fa0b342 | 1943 | if (config.relocateable_output == false || |
075d7359 SC |
1944 | command_line.force_common_definition == true) |
1945 | { | |
1946 | for (power = 1; (config.sort_common == true && power == 1) || (power <= 16); power <<= 1) | |
1418c83b | 1947 | { |
075d7359 SC |
1948 | for (lgs = symbol_head; |
1949 | lgs != (ldsym_type *) NULL; | |
1950 | lgs = lgs->next) | |
1951 | { | |
1952 | asymbol *com; | |
1953 | unsigned int power_of_two; | |
1954 | size_t size; | |
1955 | size_t align; | |
1418c83b | 1956 | |
075d7359 | 1957 | if (lgs->scoms_chain != (asymbol **) NULL) |
1418c83b | 1958 | { |
075d7359 SC |
1959 | com = *(lgs->scoms_chain); |
1960 | size = com->value; | |
1961 | switch (size) | |
1962 | { | |
1963 | case 0: | |
1964 | case 1: | |
1965 | align = 1; | |
1966 | power_of_two = 0; | |
1967 | break; | |
1968 | case 2: | |
1969 | power_of_two = 1; | |
1970 | align = 2; | |
1971 | break; | |
1972 | case 3: | |
1973 | case 4: | |
1974 | power_of_two = 2; | |
1975 | align = 4; | |
1976 | break; | |
1977 | case 5: | |
1978 | case 6: | |
1979 | case 7: | |
1980 | case 8: | |
1981 | power_of_two = 3; | |
1982 | align = 8; | |
1983 | break; | |
1984 | default: | |
1985 | power_of_two = 4; | |
1986 | align = 16; | |
1987 | break; | |
1988 | } | |
1989 | if (config.sort_common == false || align == power) | |
1990 | { | |
1991 | /* Change from a common symbol into a definition of | |
1992 | a symbol */ | |
1993 | lgs->sdefs_chain = lgs->scoms_chain; | |
1994 | lgs->scoms_chain = (asymbol **) NULL; | |
1995 | commons_pending--; | |
1996 | /* Point to the correct common section */ | |
1997 | com->section = | |
1998 | ((lang_input_statement_type *) | |
1999 | (com->the_bfd->usrdata))->common_section; | |
2000 | /* Fix the size of the common section */ | |
2001 | ||
2002 | com->section->_raw_size = | |
2003 | ALIGN (com->section->_raw_size, align); | |
2004 | ||
2005 | /* Remember if this is the biggest alignment ever seen */ | |
2006 | if (power_of_two > com->section->alignment_power) | |
2007 | { | |
2008 | com->section->alignment_power = power_of_two; | |
2009 | } | |
2010 | ||
2011 | /* Symbol stops being common and starts being global, but | |
2012 | we remember that it was common once. */ | |
2013 | ||
2014 | com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON; | |
2015 | com->value = com->section->_raw_size; | |
2016 | ||
2017 | if (write_map) | |
2018 | { | |
2019 | fprintf (config.map_file, "Allocating common %s: %x at %x %s\n", | |
2020 | lgs->name, | |
2021 | (unsigned) size, | |
2022 | (unsigned) com->value, | |
2023 | com->the_bfd->filename); | |
2024 | } | |
2025 | ||
2026 | com->section->_raw_size += size; | |
2027 | ||
2028 | } | |
1418c83b | 2029 | } |
097879bc | 2030 | |
b6316534 | 2031 | } |
2fa0b342 | 2032 | } |
b6316534 | 2033 | } |
1418c83b SC |
2034 | |
2035 | ||
2fa0b342 DHW |
2036 | } |
2037 | ||
2038 | /* | |
075d7359 | 2039 | run through the input files and ensure that every input |
2fa0b342 DHW |
2040 | section has somewhere to go. If one is found without |
2041 | a destination then create an input request and place it | |
2042 | into the statement tree. | |
2043 | */ | |
2044 | ||
075d7359 SC |
2045 | static void |
2046 | DEFUN_VOID (lang_place_orphans) | |
2fa0b342 DHW |
2047 | { |
2048 | lang_input_statement_type *file; | |
1418c83b | 2049 | |
075d7359 SC |
2050 | for (file = (lang_input_statement_type *) file_chain.head; |
2051 | file != (lang_input_statement_type *) NULL; | |
2052 | file = (lang_input_statement_type *) file->next) | |
2053 | { | |
2054 | asection *s; | |
2055 | ||
2056 | for (s = file->the_bfd->sections; | |
2057 | s != (asection *) NULL; | |
2058 | s = s->next) | |
2059 | { | |
2060 | if (s->output_section == (asection *) NULL) | |
2061 | { | |
2062 | /* This section of the file is not attatched, root | |
2063 | around for a sensible place for it to go */ | |
2064 | ||
2065 | if (file->common_section == s) | |
2066 | { | |
2067 | /* This is a lonely common section which must | |
2068 | have come from an archive. We attatch to the | |
2069 | section with the wildcard */ | |
2070 | if (config.relocateable_output != true | |
2071 | && command_line.force_common_definition == false) | |
2072 | { | |
2073 | if (default_common_section == | |
2074 | (lang_output_section_statement_type *) NULL) | |
2075 | { | |
2076 | info ("%P: No [COMMON] command, defaulting to .bss\n"); | |
2077 | ||
2078 | default_common_section = | |
2079 | lang_output_section_statement_lookup (".bss"); | |
2080 | ||
2081 | } | |
2082 | wild_doit (&default_common_section->children, s, | |
2083 | default_common_section, file); | |
2084 | } | |
2085 | } | |
2086 | else | |
2087 | { | |
2088 | lang_output_section_statement_type *os = | |
2089 | lang_output_section_statement_lookup (s->name); | |
2fa0b342 | 2090 | |
075d7359 SC |
2091 | wild_doit (&os->children, s, os, file); |
2092 | } | |
2093 | } | |
2fa0b342 | 2094 | } |
2fa0b342 | 2095 | } |
2fa0b342 DHW |
2096 | } |
2097 | ||
2098 | ||
2fa0b342 | 2099 | void |
075d7359 SC |
2100 | DEFUN (lang_set_flags, (ptr, flags), |
2101 | int *ptr AND | |
2102 | CONST char *flags) | |
2fa0b342 | 2103 | { |
075d7359 SC |
2104 | boolean state = false; |
2105 | ||
2106 | *ptr = 0; | |
2fa0b342 | 2107 | while (*flags) |
075d7359 SC |
2108 | { |
2109 | if (*flags == '!') | |
2110 | { | |
2111 | state = false; | |
2112 | flags++; | |
2113 | } | |
2114 | else | |
2115 | state = true; | |
2116 | switch (*flags) | |
2117 | { | |
2118 | case 'R': | |
2119 | /* ptr->flag_read = state; */ | |
2120 | break; | |
2121 | case 'W': | |
2122 | /* ptr->flag_write = state; */ | |
2123 | break; | |
2124 | case 'X': | |
2125 | /* ptr->flag_executable= state;*/ | |
2126 | break; | |
2127 | case 'L': | |
2128 | case 'I': | |
2129 | /* ptr->flag_loadable= state;*/ | |
2130 | break; | |
2131 | default: | |
2132 | einfo ("%P%F illegal syntax in flags\n"); | |
2133 | break; | |
2134 | } | |
dc4726c2 SC |
2135 | flags++; |
2136 | } | |
2fa0b342 DHW |
2137 | } |
2138 | ||
2139 | ||
2140 | ||
2141 | void | |
075d7359 SC |
2142 | DEFUN (lang_for_each_file, (func), |
2143 | PROTO (void, (*func), (lang_input_statement_type *))) | |
2fa0b342 DHW |
2144 | { |
2145 | lang_input_statement_type *f; | |
075d7359 SC |
2146 | |
2147 | for (f = (lang_input_statement_type *) file_chain.head; | |
2148 | f != (lang_input_statement_type *) NULL; | |
2149 | f = (lang_input_statement_type *) f->next) | |
2150 | { | |
2151 | func (f); | |
2152 | } | |
2fa0b342 DHW |
2153 | } |
2154 | ||
2155 | ||
2156 | void | |
075d7359 SC |
2157 | DEFUN (lang_for_each_input_section, (func), |
2158 | PROTO (void, (*func), (bfd * ab, asection * as))) | |
2fa0b342 DHW |
2159 | { |
2160 | lang_input_statement_type *f; | |
075d7359 SC |
2161 | |
2162 | for (f = (lang_input_statement_type *) file_chain.head; | |
2163 | f != (lang_input_statement_type *) NULL; | |
2164 | f = (lang_input_statement_type *) f->next) | |
2fa0b342 DHW |
2165 | { |
2166 | asection *s; | |
075d7359 | 2167 | |
2fa0b342 | 2168 | for (s = f->the_bfd->sections; |
075d7359 SC |
2169 | s != (asection *) NULL; |
2170 | s = s->next) | |
2171 | { | |
2172 | func (f->the_bfd, s); | |
2173 | } | |
2fa0b342 DHW |
2174 | } |
2175 | } | |
2176 | ||
2177 | ||
2178 | ||
075d7359 SC |
2179 | void |
2180 | DEFUN (ldlang_add_file, (entry), | |
2181 | lang_input_statement_type * entry) | |
2fa0b342 | 2182 | { |
1418c83b | 2183 | |
075d7359 SC |
2184 | lang_statement_append (&file_chain, |
2185 | (lang_statement_union_type *) entry, | |
2186 | &entry->next); | |
2fa0b342 DHW |
2187 | } |
2188 | ||
2fa0b342 | 2189 | void |
075d7359 SC |
2190 | DEFUN (lang_add_output, (name), |
2191 | CONST char *name) | |
2fa0b342 | 2192 | { |
075d7359 SC |
2193 | lang_output_statement_type *new = new_stat (lang_output_statement, |
2194 | stat_ptr); | |
2195 | ||
2fa0b342 DHW |
2196 | new->name = name; |
2197 | had_output_filename = true; | |
2198 | } | |
2199 | ||
2200 | ||
2201 | static lang_output_section_statement_type *current_section; | |
2202 | ||
2203 | void | |
075d7359 SC |
2204 | DEFUN (lang_enter_output_section_statement, |
2205 | (output_section_statement_name, | |
2206 | address_exp, | |
2207 | flags, | |
2208 | block_value), | |
2209 | char *output_section_statement_name AND | |
2210 | etree_type * address_exp AND | |
2211 | int flags AND | |
2212 | bfd_vma block_value) | |
2fa0b342 DHW |
2213 | { |
2214 | lang_output_section_statement_type *os; | |
075d7359 SC |
2215 | |
2216 | current_section = | |
2fa0b342 | 2217 | os = |
075d7359 SC |
2218 | lang_output_section_statement_lookup (output_section_statement_name); |
2219 | ||
2220 | ||
2fa0b342 | 2221 | |
2fa0b342 DHW |
2222 | /* Add this statement to tree */ |
2223 | /* add_statement(lang_output_section_statement_enum, | |
2224 | output_section_statement);*/ | |
2225 | /* Make next things chain into subchain of this */ | |
2226 | ||
2227 | if (os->addr_tree == | |
075d7359 SC |
2228 | (etree_type *) NULL) |
2229 | { | |
2230 | os->addr_tree = | |
2231 | address_exp; | |
2232 | } | |
7bc4a0d7 | 2233 | os->flags = flags; |
ae475b39 SC |
2234 | if (flags & SEC_NEVER_LOAD) |
2235 | os->loadable = 0; | |
2236 | else | |
2237 | os->loadable = 1; | |
2fa0b342 | 2238 | os->block_value = block_value; |
075d7359 | 2239 | stat_ptr = &os->children; |
2fa0b342 DHW |
2240 | |
2241 | } | |
2242 | ||
075d7359 SC |
2243 | void |
2244 | DEFUN_VOID (lang_final) | |
2fa0b342 | 2245 | { |
075d7359 SC |
2246 | if (had_output_filename == false) |
2247 | { | |
2248 | extern CONST char *output_filename; | |
2fa0b342 | 2249 | |
075d7359 SC |
2250 | lang_add_output (output_filename); |
2251 | } | |
2252 | } | |
2fa0b342 | 2253 | |
c611e285 SC |
2254 | /* Reset the current counters in the regions */ |
2255 | static void | |
075d7359 | 2256 | DEFUN_VOID (reset_memory_regions) |
c611e285 | 2257 | { |
075d7359 SC |
2258 | lang_memory_region_type *p = lang_memory_region_list; |
2259 | ||
c611e285 | 2260 | for (p = lang_memory_region_list; |
075d7359 SC |
2261 | p != (lang_memory_region_type *) NULL; |
2262 | p = p->next) | |
2263 | { | |
ae475b39 | 2264 | p->old_length = p->current - p->origin; |
075d7359 SC |
2265 | p->current = p->origin; |
2266 | } | |
c611e285 | 2267 | } |
2fa0b342 DHW |
2268 | |
2269 | ||
ae475b39 | 2270 | |
1418c83b | 2271 | asymbol * |
075d7359 SC |
2272 | DEFUN (create_symbol, (name, flags, section), |
2273 | CONST char *name AND | |
2274 | flagword flags AND | |
2275 | asection * section) | |
2fa0b342 DHW |
2276 | { |
2277 | extern lang_input_statement_type *script_file; | |
075d7359 SC |
2278 | asymbol **def_ptr = (asymbol **) stat_alloc ((bfd_size_type) (sizeof (asymbol **))); |
2279 | ||
2fa0b342 | 2280 | /* Add this definition to script file */ |
075d7359 SC |
2281 | asymbol *def = (asymbol *) bfd_make_empty_symbol (script_file->the_bfd); |
2282 | ||
2283 | def->name = buystring (name); | |
2fa0b342 DHW |
2284 | def->udata = 0; |
2285 | def->flags = flags; | |
2286 | def->section = section; | |
2287 | ||
2288 | *def_ptr = def; | |
075d7359 | 2289 | Q_enter_global_ref (def_ptr, name); |
2fa0b342 DHW |
2290 | return def; |
2291 | } | |
2292 | ||
2fa0b342 | 2293 | void |
075d7359 SC |
2294 | DEFUN_VOID (lang_process) |
2295 | { | |
9d1fe8a4 | 2296 | |
075d7359 SC |
2297 | if (had_script == false) |
2298 | { | |
2299 | parse_line (ldemul_get_script (), 1); | |
c611e285 | 2300 | } |
075d7359 | 2301 | lang_reasonable_defaults (); |
1418c83b SC |
2302 | current_target = default_target; |
2303 | ||
075d7359 | 2304 | lang_for_each_statement (ldlang_open_output); /* Open the output file */ |
1418c83b SC |
2305 | /* For each output section statement, create a section in the output |
2306 | file */ | |
075d7359 | 2307 | lang_create_output_section_statements (); |
1418c83b SC |
2308 | |
2309 | /* Create a dummy bfd for the script */ | |
075d7359 | 2310 | lang_init_script_file (); |
1418c83b SC |
2311 | |
2312 | /* Add to the hash table all undefineds on the command line */ | |
075d7359 | 2313 | lang_place_undefineds (); |
1418c83b SC |
2314 | |
2315 | /* Create a bfd for each input file */ | |
2316 | current_target = default_target; | |
075d7359 | 2317 | lang_for_each_statement (open_input_bfds); |
1418c83b | 2318 | |
075d7359 | 2319 | common_section.userdata = (PTR) & common_section_userdata; |
1418c83b | 2320 | |
81016051 | 2321 | |
1418c83b | 2322 | /* Run through the contours of the script and attatch input sections |
075d7359 | 2323 | to the correct output sections |
1418c83b | 2324 | */ |
075d7359 SC |
2325 | find_constructors (); |
2326 | map_input_to_output_sections (statement_list.head, (char *) NULL, | |
2327 | (lang_output_section_statement_type *) NULL); | |
1418c83b | 2328 | |
81016051 | 2329 | |
1418c83b | 2330 | /* Find any sections not attatched explicitly and handle them */ |
075d7359 | 2331 | lang_place_orphans (); |
1418c83b SC |
2332 | |
2333 | /* Size up the common data */ | |
075d7359 | 2334 | lang_common (); |
1418c83b | 2335 | |
075d7359 | 2336 | ldemul_before_allocation (); |
1418c83b | 2337 | |
c611e285 | 2338 | |
ae475b39 SC |
2339 | #if 0 |
2340 | had_relax = true; | |
2341 | while (had_relax) | |
2342 | { | |
2343 | ||
2344 | had_relax = false; | |
c611e285 | 2345 | |
ae475b39 SC |
2346 | lang_size_sections (statement_list.head, |
2347 | (lang_output_section_statement_type *) NULL, | |
2348 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
2349 | /* FIXME. Until the code in relax is fixed so that it only reads in | |
2350 | stuff once, we cant iterate since there is no way for the linker to | |
2351 | know what has been patched and what hasn't */ | |
2352 | break; | |
2353 | ||
2354 | } | |
2355 | #endif | |
c611e285 | 2356 | |
c611e285 | 2357 | /* Now run around and relax if we can */ |
075d7359 | 2358 | if (command_line.relax) |
c611e285 | 2359 | { |
ae475b39 SC |
2360 | /* First time round is a trial run to get the 'worst case' addresses of the |
2361 | objects if there was no relaxing */ | |
2362 | lang_size_sections (statement_list.head, | |
2363 | (lang_output_section_statement_type *) NULL, | |
2364 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
c611e285 | 2365 | |
075d7359 | 2366 | |
075d7359 | 2367 | |
ae475b39 SC |
2368 | /* Move the global symbols around so the second pass of relaxing can |
2369 | see them */ | |
2370 | lang_relocate_globals (); | |
075d7359 | 2371 | |
ae475b39 | 2372 | reset_memory_regions (); |
075d7359 | 2373 | |
ae475b39 SC |
2374 | /* Do all the assignments, now that we know the final restingplaces |
2375 | of all the symbols */ | |
2376 | ||
2377 | lang_do_assignments (statement_list.head, | |
2378 | abs_output_section, | |
2379 | 0, (bfd_vma) 0); | |
2380 | ||
2381 | ||
2382 | /* Perform another relax pass - this time we know where the | |
2383 | globals are, so can make better guess */ | |
2384 | lang_size_sections (statement_list.head, | |
2385 | (lang_output_section_statement_type *) NULL, | |
2386 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
075d7359 SC |
2387 | |
2388 | ||
2389 | ||
ae475b39 SC |
2390 | } |
2391 | ||
2392 | else | |
2393 | { | |
2394 | /* Size up the sections */ | |
2395 | lang_size_sections (statement_list.head, | |
2396 | abs_output_section, | |
2397 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
075d7359 SC |
2398 | |
2399 | } | |
c611e285 | 2400 | |
1418c83b SC |
2401 | |
2402 | /* See if anything special should be done now we know how big | |
2403 | everything is */ | |
075d7359 | 2404 | ldemul_after_allocation (); |
1418c83b SC |
2405 | |
2406 | /* Do all the assignments, now that we know the final restingplaces | |
2407 | of all the symbols */ | |
2408 | ||
075d7359 SC |
2409 | lang_do_assignments (statement_list.head, |
2410 | abs_output_section, | |
2411 | 0, (bfd_vma) 0); | |
1418c83b | 2412 | |
c611e285 | 2413 | |
ffc50032 | 2414 | /* Move the global symbols around */ |
075d7359 | 2415 | lang_relocate_globals (); |
ffc50032 | 2416 | |
1418c83b SC |
2417 | /* Make sure that we're not mixing architectures */ |
2418 | ||
075d7359 | 2419 | lang_check (); |
1418c83b | 2420 | |
1418c83b | 2421 | /* Final stuffs */ |
075d7359 | 2422 | lang_finish (); |
2fa0b342 DHW |
2423 | } |
2424 | ||
2fa0b342 | 2425 | /* EXPORTED TO YACC */ |
1418c83b | 2426 | |
2fa0b342 | 2427 | void |
075d7359 SC |
2428 | DEFUN (lang_add_wild, (section_name, filename), |
2429 | CONST char *CONST section_name AND | |
2430 | CONST char *CONST filename) | |
1418c83b | 2431 | { |
075d7359 SC |
2432 | lang_wild_statement_type *new = new_stat (lang_wild_statement, |
2433 | stat_ptr); | |
1418c83b | 2434 | |
075d7359 SC |
2435 | if (section_name != (char *) NULL && strcmp (section_name, "COMMON") == 0) |
2436 | { | |
2437 | placed_commons = true; | |
2438 | } | |
2439 | if (filename != (char *) NULL) | |
2440 | { | |
2441 | lang_has_input_file = true; | |
2442 | } | |
1418c83b SC |
2443 | new->section_name = section_name; |
2444 | new->filename = filename; | |
075d7359 | 2445 | lang_list_init (&new->children); |
1418c83b | 2446 | } |
075d7359 | 2447 | |
1418c83b | 2448 | void |
075d7359 SC |
2449 | DEFUN (lang_section_start, (name, address), |
2450 | CONST char *name AND | |
2451 | etree_type * address) | |
2fa0b342 | 2452 | { |
075d7359 SC |
2453 | lang_address_statement_type *ad = new_stat (lang_address_statement, stat_ptr); |
2454 | ||
2fa0b342 DHW |
2455 | ad->section_name = name; |
2456 | ad->address = address; | |
2457 | } | |
1418c83b | 2458 | |
075d7359 SC |
2459 | void |
2460 | DEFUN (lang_add_entry, (name), | |
2461 | CONST char *name) | |
2fa0b342 DHW |
2462 | { |
2463 | entry_symbol = name; | |
2464 | } | |
2465 | ||
2466 | void | |
075d7359 SC |
2467 | DEFUN (lang_add_target, (name), |
2468 | CONST char *name) | |
2fa0b342 | 2469 | { |
075d7359 SC |
2470 | lang_target_statement_type *new = new_stat (lang_target_statement, |
2471 | stat_ptr); | |
2472 | ||
2fa0b342 DHW |
2473 | new->target = name; |
2474 | ||
2475 | } | |
2fa0b342 | 2476 | |
2fa0b342 | 2477 | void |
075d7359 SC |
2478 | DEFUN (lang_add_map, (name), |
2479 | CONST char *name) | |
2fa0b342 | 2480 | { |
075d7359 SC |
2481 | while (*name) |
2482 | { | |
2483 | switch (*name) | |
2484 | { | |
2485 | case 'F': | |
2486 | map_option_f = true; | |
2487 | break; | |
2488 | } | |
2489 | name++; | |
2fa0b342 | 2490 | } |
2fa0b342 DHW |
2491 | } |
2492 | ||
075d7359 SC |
2493 | void |
2494 | DEFUN (lang_add_fill, (exp), | |
2495 | int exp) | |
2fa0b342 | 2496 | { |
075d7359 SC |
2497 | lang_fill_statement_type *new = new_stat (lang_fill_statement, |
2498 | stat_ptr); | |
2499 | ||
2fa0b342 DHW |
2500 | new->fill = exp; |
2501 | } | |
2502 | ||
075d7359 SC |
2503 | void |
2504 | DEFUN (lang_add_data, (type, exp), | |
2505 | int type AND | |
2506 | union etree_union *exp) | |
2fa0b342 DHW |
2507 | { |
2508 | ||
075d7359 | 2509 | lang_data_statement_type *new = new_stat (lang_data_statement, |
2fa0b342 | 2510 | stat_ptr); |
075d7359 SC |
2511 | |
2512 | new->exp = exp; | |
2513 | new->type = type; | |
2fa0b342 DHW |
2514 | |
2515 | } | |
075d7359 | 2516 | |
2fa0b342 | 2517 | void |
075d7359 SC |
2518 | DEFUN (lang_add_assignment, (exp), |
2519 | etree_type * exp) | |
2fa0b342 | 2520 | { |
075d7359 SC |
2521 | lang_assignment_statement_type *new = new_stat (lang_assignment_statement, |
2522 | stat_ptr); | |
2523 | ||
2fa0b342 DHW |
2524 | new->exp = exp; |
2525 | } | |
2526 | ||
2527 | void | |
075d7359 SC |
2528 | DEFUN (lang_add_attribute, (attribute), |
2529 | enum statement_enum attribute) | |
2fa0b342 | 2530 | { |
075d7359 | 2531 | new_statement (attribute, sizeof (lang_statement_union_type), stat_ptr); |
2fa0b342 DHW |
2532 | } |
2533 | ||
075d7359 SC |
2534 | void |
2535 | DEFUN (lang_startup, (name), | |
2536 | CONST char *name) | |
2fa0b342 | 2537 | { |
075d7359 SC |
2538 | if (startup_file != (char *) NULL) |
2539 | { | |
2540 | einfo ("%P%FMultiple STARTUP files\n"); | |
2541 | } | |
2fa0b342 DHW |
2542 | first_file->filename = name; |
2543 | first_file->local_sym_name = name; | |
2544 | ||
075d7359 | 2545 | startup_file = name; |
2fa0b342 | 2546 | } |
075d7359 SC |
2547 | |
2548 | void | |
2549 | DEFUN (lang_float, (maybe), | |
2550 | boolean maybe) | |
2fa0b342 DHW |
2551 | { |
2552 | lang_float_flag = maybe; | |
2553 | } | |
2554 | ||
075d7359 SC |
2555 | void |
2556 | DEFUN (lang_leave_output_section_statement, (fill, memspec), | |
2557 | bfd_vma fill AND | |
2558 | CONST char *memspec) | |
2fa0b342 DHW |
2559 | { |
2560 | current_section->fill = fill; | |
075d7359 | 2561 | current_section->region = lang_memory_region_lookup (memspec); |
2fa0b342 | 2562 | stat_ptr = &statement_list; |
81016051 SC |
2563 | |
2564 | /* We remember if we are closing a .data section, since we use it to | |
2565 | store constructors in */ | |
075d7359 SC |
2566 | if (strcmp (current_section->name, ".data") == 0) |
2567 | { | |
2568 | end_of_data_section_statement_list = statement_list; | |
81016051 | 2569 | |
075d7359 | 2570 | } |
2fa0b342 | 2571 | } |
075d7359 | 2572 | |
9f32f7c2 SC |
2573 | /* |
2574 | Create an absolute symbol with the given name with the value of the | |
2575 | address of first byte of the section named. | |
2fa0b342 | 2576 | |
9f32f7c2 SC |
2577 | If the symbol already exists, then do nothing. |
2578 | */ | |
8cb5eb31 | 2579 | void |
075d7359 SC |
2580 | DEFUN (lang_abs_symbol_at_beginning_of, (section, name), |
2581 | CONST char *section AND | |
2582 | CONST char *name) | |
2583 | { | |
2584 | if (ldsym_undefined (name)) | |
2585 | { | |
2586 | asection *s = bfd_get_section_by_name (output_bfd, section); | |
2587 | asymbol *def = create_symbol (name, | |
2588 | BSF_GLOBAL | BSF_EXPORT, | |
2589 | &bfd_abs_section); | |
2590 | ||
2591 | if (s != (asection *) NULL) | |
2592 | { | |
2593 | def->value = s->vma; | |
2594 | } | |
2595 | else | |
2596 | { | |
2597 | def->value = 0; | |
2598 | } | |
9f32f7c2 | 2599 | } |
8cb5eb31 SC |
2600 | } |
2601 | ||
9f32f7c2 SC |
2602 | /* |
2603 | Create an absolute symbol with the given name with the value of the | |
2604 | address of the first byte after the end of the section named. | |
2605 | ||
2606 | If the symbol already exists, then do nothing. | |
2607 | */ | |
2fa0b342 | 2608 | void |
075d7359 SC |
2609 | DEFUN (lang_abs_symbol_at_end_of, (section, name), |
2610 | CONST char *section AND | |
2611 | CONST char *name) | |
2612 | { | |
2613 | if (ldsym_undefined (name)) | |
2614 | { | |
2615 | asection *s = bfd_get_section_by_name (output_bfd, section); | |
2616 | ||
2617 | /* Add a symbol called _end */ | |
2618 | asymbol *def = create_symbol (name, | |
2619 | BSF_GLOBAL | BSF_EXPORT, | |
2620 | &bfd_abs_section); | |
2621 | ||
2622 | if (s != (asection *) NULL) | |
2623 | { | |
2624 | def->value = s->vma + s->_raw_size; | |
2625 | } | |
2626 | else | |
2627 | { | |
2628 | def->value = 0; | |
2629 | } | |
9f32f7c2 | 2630 | } |
2fa0b342 DHW |
2631 | } |
2632 | ||
075d7359 SC |
2633 | void |
2634 | DEFUN (lang_statement_append, (list, element, field), | |
2635 | lang_statement_list_type * list AND | |
2636 | lang_statement_union_type * element AND | |
2637 | lang_statement_union_type ** field) | |
2fa0b342 DHW |
2638 | { |
2639 | *(list->tail) = element; | |
2640 | list->tail = field; | |
2641 | } | |
2642 | ||
097879bc SC |
2643 | /* Set the output format type */ |
2644 | void | |
075d7359 SC |
2645 | DEFUN (lang_add_output_format, (format), |
2646 | CONST char *format) | |
097879bc SC |
2647 | { |
2648 | output_target = format; | |
2649 | } |