Commit | Line | Data |
---|---|---|
e20873a7 JG |
1 | /* Linker command language support. |
2 | Copyright 1991, 1992 Free Software Foundation, Inc. | |
075d7359 | 3 | |
2fa0b342 DHW |
4 | This file is part of GLD, the Gnu Linker. |
5 | ||
6 | GLD is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 1, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GLD is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GLD; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
2fa0b342 | 20 | #include "bfd.h" |
075d7359 | 21 | #include "sysdep.h" |
2fa0b342 DHW |
22 | |
23 | #include "ld.h" | |
24 | #include "ldmain.h" | |
25 | #include "ldsym.h" | |
7bc4a0d7 | 26 | #include "ldgram.h" |
81016051 | 27 | #include "ldwarn.h" |
2fa0b342 DHW |
28 | #include "ldlang.h" |
29 | #include "ldexp.h" | |
8c514453 | 30 | #include "ldemul.h" |
2fa0b342 | 31 | #include "ldlex.h" |
3f8d46e7 | 32 | #include "ldmisc.h" |
c611e285 SC |
33 | #include "ldindr.h" |
34 | #include "ldctor.h" | |
2fa0b342 | 35 | /* FORWARDS */ |
e20873a7 JG |
36 | static void print_statements PARAMS ((void)); |
37 | static void print_statement PARAMS ((lang_statement_union_type *, | |
075d7359 | 38 | lang_output_section_statement_type *)); |
2fa0b342 | 39 | |
d4c02e29 | 40 | /* LOCALS */ |
bfbdc80f | 41 | static struct obstack stat_obstack; |
075d7359 | 42 | |
bfbdc80f SC |
43 | #define obstack_chunk_alloc ldmalloc |
44 | #define obstack_chunk_free free | |
075d7359 | 45 | static CONST char *startup_file; |
d4c02e29 | 46 | static lang_statement_list_type input_file_chain; |
81016051 SC |
47 | |
48 | /* Points to the last statement in the .data section, so we can add | |
49 | stuff to the data section without pain */ | |
50 | static lang_statement_list_type end_of_data_section_statement_list; | |
51 | ||
c611e285 SC |
52 | /* List of statements needed to handle constructors */ |
53 | extern lang_statement_list_type constructor_list; | |
81016051 | 54 | |
d4c02e29 SC |
55 | static boolean placed_commons = false; |
56 | static lang_output_section_statement_type *default_common_section; | |
57 | static boolean map_option_f; | |
58 | static bfd_vma print_dot; | |
59 | static lang_input_statement_type *first_file; | |
60 | static lang_statement_list_type lang_output_section_statement; | |
61 | static CONST char *current_target; | |
62 | static CONST char *output_target; | |
63 | static size_t longest_section_name = 8; | |
d4c02e29 SC |
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 | 96 | extern boolean write_map; |
1b8a42f3 | 97 | extern int g_switch_value; |
2fa0b342 | 98 | |
9fce28ed SC |
99 | |
100 | etree_type *base; /* Relocation base - or null */ | |
101 | ||
102 | ||
2fa0b342 DHW |
103 | #ifdef __STDC__ |
104 | #define cat(a,b) a##b | |
105 | #else | |
106 | #define cat(a,b) a/**/b | |
107 | #endif | |
108 | ||
109 | #define new_stat(x,y) (cat(x,_type)*) new_statement(cat(x,_enum), sizeof(cat(x,_type)),y) | |
110 | ||
111 | #define outside_section_address(q) ( (q)->output_offset + (q)->output_section->vma) | |
112 | ||
113 | #define outside_symbol_address(q) ((q)->value + outside_section_address(q->section)) | |
114 | ||
e20873a7 | 115 | void lang_add_data PARAMS ((int type, union etree_union * exp)); |
bfbdc80f SC |
116 | |
117 | PTR | |
075d7359 SC |
118 | DEFUN (stat_alloc, (size), |
119 | size_t size) | |
bfbdc80f | 120 | { |
075d7359 | 121 | return obstack_alloc (&stat_obstack, size); |
bfbdc80f | 122 | } |
075d7359 SC |
123 | static void |
124 | DEFUN (print_size, (value), | |
125 | size_t value) | |
3f8d46e7 | 126 | { |
075d7359 | 127 | fprintf (config.map_file, "%5x", (unsigned) value); |
3f8d46e7 | 128 | } |
075d7359 SC |
129 | static void |
130 | DEFUN (print_alignment, (value), | |
131 | unsigned int value) | |
3f8d46e7 | 132 | { |
075d7359 | 133 | fprintf (config.map_file, "2**%1u", value); |
3f8d46e7 | 134 | } |
075d7359 SC |
135 | static void |
136 | DEFUN (print_fill, (value), | |
137 | fill_type value) | |
3f8d46e7 | 138 | { |
075d7359 | 139 | fprintf (config.map_file, "%04x", (unsigned) value); |
3f8d46e7 JG |
140 | } |
141 | ||
d4c02e29 | 142 | |
075d7359 SC |
143 | static void |
144 | DEFUN (print_section, (name), | |
145 | CONST char *CONST name) | |
3f8d46e7 | 146 | { |
075d7359 | 147 | fprintf (config.map_file, "%*s", -longest_section_name, name); |
3f8d46e7 | 148 | } |
2fa0b342 | 149 | |
1418c83b SC |
150 | /*---------------------------------------------------------------------- |
151 | lang_for_each_statement walks the parse tree and calls the provided | |
152 | function for each node | |
153 | */ | |
154 | ||
075d7359 SC |
155 | static void |
156 | DEFUN (lang_for_each_statement_worker, (func, s), | |
157 | void (*func) ()AND | |
158 | lang_statement_union_type * s) | |
1418c83b | 159 | { |
075d7359 SC |
160 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
161 | { | |
162 | func (s); | |
1418c83b | 163 | |
075d7359 SC |
164 | switch (s->header.type) |
165 | { | |
81016051 | 166 | case lang_constructors_statement_enum: |
075d7359 | 167 | lang_for_each_statement_worker (func, constructor_list.head); |
81016051 | 168 | break; |
1418c83b SC |
169 | case lang_output_section_statement_enum: |
170 | lang_for_each_statement_worker | |
075d7359 | 171 | (func, |
1418c83b SC |
172 | s->output_section_statement.children.head); |
173 | break; | |
174 | case lang_wild_statement_enum: | |
175 | lang_for_each_statement_worker | |
075d7359 | 176 | (func, |
1418c83b SC |
177 | s->wild_statement.children.head); |
178 | break; | |
179 | case lang_data_statement_enum: | |
180 | case lang_object_symbols_statement_enum: | |
181 | case lang_output_statement_enum: | |
182 | case lang_target_statement_enum: | |
183 | case lang_input_section_enum: | |
184 | case lang_input_statement_enum: | |
1418c83b SC |
185 | case lang_assignment_statement_enum: |
186 | case lang_padding_statement_enum: | |
187 | case lang_address_statement_enum: | |
188 | break; | |
189 | default: | |
075d7359 | 190 | FAIL (); |
1418c83b SC |
191 | break; |
192 | } | |
075d7359 | 193 | } |
1418c83b SC |
194 | } |
195 | ||
196 | void | |
075d7359 SC |
197 | DEFUN (lang_for_each_statement, (func), |
198 | void (*func) ()) | |
1418c83b | 199 | { |
075d7359 SC |
200 | lang_for_each_statement_worker (func, |
201 | statement_list.head); | |
1418c83b | 202 | } |
075d7359 | 203 | |
1418c83b | 204 | /*----------------------------------------------------------------------*/ |
075d7359 SC |
205 | void |
206 | DEFUN (lang_list_init, (list), | |
207 | lang_statement_list_type * list) | |
2fa0b342 | 208 | { |
075d7359 SC |
209 | list->head = (lang_statement_union_type *) NULL; |
210 | list->tail = &list->head; | |
2fa0b342 DHW |
211 | } |
212 | ||
1418c83b | 213 | /*---------------------------------------------------------------------- |
075d7359 | 214 | |
1418c83b SC |
215 | build a new statement node for the parse tree |
216 | ||
217 | */ | |
2fa0b342 DHW |
218 | |
219 | static | |
075d7359 SC |
220 | lang_statement_union_type * |
221 | DEFUN (new_statement, (type, size, list), | |
222 | enum statement_enum type AND | |
223 | bfd_size_type size AND | |
224 | lang_statement_list_type * list) | |
2fa0b342 DHW |
225 | { |
226 | lang_statement_union_type *new = (lang_statement_union_type *) | |
075d7359 SC |
227 | stat_alloc (size); |
228 | ||
2fa0b342 | 229 | new->header.type = type; |
075d7359 SC |
230 | new->header.next = (lang_statement_union_type *) NULL; |
231 | lang_statement_append (list, new, &new->header.next); | |
2fa0b342 DHW |
232 | return new; |
233 | } | |
234 | ||
1418c83b SC |
235 | /* |
236 | Build a new input file node for the language. There are several ways | |
237 | in which we treat an input file, eg, we only look at symbols, or | |
238 | prefix it with a -l etc. | |
239 | ||
240 | We can be supplied with requests for input files more than once; | |
241 | they may, for example be split over serveral lines like foo.o(.text) | |
242 | foo.o(.data) etc, so when asked for a file we check that we havn't | |
243 | got it already so we don't duplicate the bfd. | |
244 | ||
245 | */ | |
2fa0b342 | 246 | static lang_input_statement_type * |
075d7359 SC |
247 | DEFUN (new_afile, (name, file_type, target), |
248 | CONST char *CONST name AND | |
249 | CONST lang_input_file_enum_type file_type AND | |
250 | CONST char *CONST target) | |
2fa0b342 | 251 | { |
dc4726c2 | 252 | |
075d7359 SC |
253 | lang_input_statement_type *p = new_stat (lang_input_statement, |
254 | stat_ptr); | |
255 | ||
2fa0b342 DHW |
256 | lang_has_input_file = true; |
257 | p->target = target; | |
ee4af9e8 | 258 | p->complained = false; |
075d7359 SC |
259 | switch (file_type) |
260 | { | |
261 | case lang_input_file_is_symbols_only_enum: | |
262 | p->filename = name; | |
263 | p->is_archive = false; | |
264 | p->real = true; | |
265 | p->local_sym_name = name; | |
266 | p->just_syms_flag = true; | |
267 | p->search_dirs_flag = false; | |
268 | break; | |
269 | case lang_input_file_is_fake_enum: | |
270 | p->filename = name; | |
271 | p->is_archive = false; | |
272 | p->real = false; | |
273 | p->local_sym_name = name; | |
274 | p->just_syms_flag = false; | |
275 | p->search_dirs_flag = false; | |
276 | break; | |
277 | case lang_input_file_is_l_enum: | |
278 | p->is_archive = true; | |
279 | p->filename = name; | |
280 | p->real = true; | |
281 | p->local_sym_name = concat ("-l", name, ""); | |
282 | p->just_syms_flag = false; | |
283 | p->search_dirs_flag = true; | |
284 | break; | |
285 | case lang_input_file_is_search_file_enum: | |
286 | case lang_input_file_is_marker_enum: | |
287 | p->filename = name; | |
288 | p->is_archive = false; | |
289 | p->real = true; | |
290 | p->local_sym_name = name; | |
291 | p->just_syms_flag = false; | |
292 | p->search_dirs_flag = true; | |
293 | break; | |
294 | case lang_input_file_is_file_enum: | |
295 | p->filename = name; | |
296 | p->is_archive = false; | |
297 | p->real = true; | |
298 | p->local_sym_name = name; | |
299 | p->just_syms_flag = false; | |
300 | p->search_dirs_flag = false; | |
301 | break; | |
302 | default: | |
303 | FAIL (); | |
304 | } | |
305 | p->asymbols = (asymbol **) NULL; | |
306 | p->superfile = (lang_input_statement_type *) NULL; | |
307 | p->next_real_file = (lang_statement_union_type *) NULL; | |
308 | p->next = (lang_statement_union_type *) NULL; | |
2fa0b342 | 309 | p->symbol_count = 0; |
075d7359 SC |
310 | p->common_output_section = (asection *) NULL; |
311 | lang_statement_append (&input_file_chain, | |
312 | (lang_statement_union_type *) p, | |
313 | &p->next_real_file); | |
2fa0b342 DHW |
314 | return p; |
315 | } | |
316 | ||
317 | lang_input_statement_type * | |
075d7359 SC |
318 | DEFUN (lang_add_input_file, (name, file_type, target), |
319 | CONST char *name AND | |
320 | lang_input_file_enum_type file_type AND | |
321 | CONST char *target) | |
2fa0b342 DHW |
322 | { |
323 | /* Look it up or build a new one */ | |
1418c83b SC |
324 | lang_has_input_file = true; |
325 | #if 0 | |
2fa0b342 DHW |
326 | lang_input_statement_type *p; |
327 | ||
075d7359 SC |
328 | for (p = (lang_input_statement_type *) input_file_chain.head; |
329 | p != (lang_input_statement_type *) NULL; | |
330 | p = (lang_input_statement_type *) (p->next_real_file)) | |
331 | { | |
332 | /* Sometimes we have incomplete entries in here */ | |
333 | if (p->filename != (char *) NULL) | |
334 | { | |
335 | if (strcmp (name, p->filename) == 0) | |
336 | return p; | |
1418c83b | 337 | } |
075d7359 SC |
338 | |
339 | } | |
1418c83b | 340 | #endif |
075d7359 | 341 | return new_afile (name, file_type, target); |
2fa0b342 DHW |
342 | } |
343 | ||
81150d34 ILT |
344 | void |
345 | DEFUN (lang_add_keepsyms_file, (filename), | |
346 | CONST char *filename) | |
347 | { | |
348 | extern strip_symbols_type strip_symbols; | |
349 | if (keepsyms_file != 0) | |
350 | info ("%X%P error: duplicated keep-symbols-file value\n"); | |
351 | keepsyms_file = filename; | |
352 | if (strip_symbols != STRIP_NONE) | |
353 | info ("%P `-keep-only-symbols-file' overrides `-s' and `-S'\n"); | |
354 | strip_symbols = STRIP_SOME; | |
355 | } | |
356 | ||
1418c83b | 357 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 358 | void |
075d7359 | 359 | DEFUN_VOID (lang_init) |
2fa0b342 | 360 | { |
075d7359 | 361 | obstack_begin (&stat_obstack, 1000); |
2fa0b342 | 362 | |
075d7359 | 363 | stat_ptr = &statement_list; |
bfbdc80f | 364 | |
075d7359 | 365 | lang_list_init (stat_ptr); |
2fa0b342 | 366 | |
075d7359 SC |
367 | lang_list_init (&input_file_chain); |
368 | lang_list_init (&lang_output_section_statement); | |
369 | lang_list_init (&file_chain); | |
370 | first_file = lang_add_input_file ((char *) NULL, | |
371 | lang_input_file_is_marker_enum, | |
372 | (char *) NULL); | |
373 | abs_output_section = lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 374 | |
bfbdc80f | 375 | abs_output_section->bfd_section = &bfd_abs_section; |
9d1fe8a4 | 376 | |
2fa0b342 DHW |
377 | } |
378 | ||
1418c83b | 379 | /*---------------------------------------------------------------------- |
075d7359 SC |
380 | A region is an area of memory declared with the |
381 | MEMORY { name:org=exp, len=exp ... } | |
382 | syntax. | |
2fa0b342 | 383 | |
1418c83b | 384 | We maintain a list of all the regions here |
2fa0b342 | 385 | |
1418c83b SC |
386 | If no regions are specified in the script, then the default is used |
387 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
388 | */ |
389 | ||
390 | static lang_memory_region_type *lang_memory_region_list; | |
391 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
392 | ||
393 | lang_memory_region_type * | |
075d7359 SC |
394 | DEFUN (lang_memory_region_lookup, (name), |
395 | CONST char *CONST name) | |
2fa0b342 DHW |
396 | { |
397 | ||
075d7359 SC |
398 | lang_memory_region_type *p = lang_memory_region_list; |
399 | ||
1418c83b | 400 | for (p = lang_memory_region_list; |
075d7359 SC |
401 | p != (lang_memory_region_type *) NULL; |
402 | p = p->next) | |
403 | { | |
404 | if (strcmp (p->name, name) == 0) | |
405 | { | |
406 | return p; | |
407 | } | |
2fa0b342 | 408 | } |
075d7359 | 409 | if (strcmp (name, "*default*") == 0) |
2fa0b342 | 410 | { |
075d7359 SC |
411 | /* This is the default region, dig out first one on the list */ |
412 | if (lang_memory_region_list != (lang_memory_region_type *) NULL) | |
413 | { | |
414 | return lang_memory_region_list; | |
415 | } | |
2fa0b342 | 416 | } |
075d7359 SC |
417 | { |
418 | lang_memory_region_type *new = | |
419 | (lang_memory_region_type *) stat_alloc ((bfd_size_type) (sizeof (lang_memory_region_type))); | |
420 | ||
421 | new->name = buystring (name); | |
422 | new->next = (lang_memory_region_type *) NULL; | |
423 | ||
424 | *lang_memory_region_list_tail = new; | |
425 | lang_memory_region_list_tail = &new->next; | |
426 | new->origin = 0; | |
427 | new->length = ~0; | |
428 | new->current = 0; | |
429 | new->had_full_message = false; | |
430 | ||
431 | return new; | |
432 | } | |
2fa0b342 DHW |
433 | } |
434 | ||
435 | ||
2fa0b342 | 436 | lang_output_section_statement_type * |
075d7359 SC |
437 | DEFUN (lang_output_section_find, (name), |
438 | CONST char *CONST name) | |
2fa0b342 DHW |
439 | { |
440 | lang_statement_union_type *u; | |
441 | lang_output_section_statement_type *lookup; | |
442 | ||
443 | for (u = lang_output_section_statement.head; | |
075d7359 | 444 | u != (lang_statement_union_type *) NULL; |
2fa0b342 | 445 | u = lookup->next) |
075d7359 SC |
446 | { |
447 | lookup = &u->output_section_statement; | |
448 | if (strcmp (name, lookup->name) == 0) | |
449 | { | |
1418c83b SC |
450 | return lookup; |
451 | } | |
075d7359 SC |
452 | } |
453 | return (lang_output_section_statement_type *) NULL; | |
2fa0b342 DHW |
454 | } |
455 | ||
456 | lang_output_section_statement_type * | |
075d7359 SC |
457 | DEFUN (lang_output_section_statement_lookup, (name), |
458 | CONST char *CONST name) | |
2fa0b342 DHW |
459 | { |
460 | lang_output_section_statement_type *lookup; | |
2fa0b342 | 461 | |
075d7359 SC |
462 | lookup = lang_output_section_find (name); |
463 | if (lookup == (lang_output_section_statement_type *) NULL) | |
464 | { | |
2fa0b342 | 465 | |
075d7359 SC |
466 | lookup = (lang_output_section_statement_type *) |
467 | new_stat (lang_output_section_statement, stat_ptr); | |
468 | lookup->region = (lang_memory_region_type *) NULL; | |
469 | lookup->fill = 0; | |
470 | lookup->block_value = 1; | |
471 | lookup->name = name; | |
472 | ||
473 | lookup->next = (lang_statement_union_type *) NULL; | |
474 | lookup->bfd_section = (asection *) NULL; | |
475 | lookup->processed = false; | |
ae475b39 | 476 | lookup->loadable = 1; |
075d7359 SC |
477 | lookup->addr_tree = (etree_type *) NULL; |
478 | lang_list_init (&lookup->children); | |
479 | ||
1b8a42f3 ILT |
480 | lookup->memspec = (CONST char *) NULL; |
481 | lookup->flags = 0; | |
482 | lookup->subsection_alignment = -1; | |
483 | lookup->section_alignment = -1; | |
484 | lookup->load_base = (union etree_union *) NULL; | |
485 | ||
075d7359 SC |
486 | lang_statement_append (&lang_output_section_statement, |
487 | (lang_statement_union_type *) lookup, | |
488 | &lookup->next); | |
489 | } | |
490 | return lookup; | |
491 | } | |
2fa0b342 | 492 | |
9d1fe8a4 | 493 | /*ARGSUSED*/ |
2fa0b342 | 494 | static void |
075d7359 SC |
495 | DEFUN (print_flags, (ignore_flags), |
496 | int *ignore_flags) | |
2fa0b342 | 497 | { |
075d7359 | 498 | fprintf (config.map_file, "("); |
2fa0b342 | 499 | #if 0 |
075d7359 SC |
500 | if (flags->flag_read) |
501 | fprintf (outfile, "R"); | |
502 | if (flags->flag_write) | |
503 | fprintf (outfile, "W"); | |
504 | if (flags->flag_executable) | |
505 | fprintf (outfile, "X"); | |
506 | if (flags->flag_loadable) | |
507 | fprintf (outfile, "L"); | |
2fa0b342 | 508 | #endif |
ae475b39 | 509 | fprintf (config.map_file, ")"); |
2fa0b342 DHW |
510 | } |
511 | ||
512 | void | |
075d7359 | 513 | DEFUN_VOID (lang_map) |
2fa0b342 DHW |
514 | { |
515 | lang_memory_region_type *m; | |
075d7359 SC |
516 | |
517 | fprintf (config.map_file, "**MEMORY CONFIGURATION**\n\n"); | |
48491e2e | 518 | #ifdef HOST_64_BIT |
075d7359 | 519 | fprintf (config.map_file, "name\t\torigin\t\tlength\t\tattributes\n"); |
48491e2e | 520 | #else |
ae475b39 SC |
521 | fprintf (config.map_file, |
522 | "name\t\torigin length r_size c_size is attributes\n"); | |
523 | ||
48491e2e | 524 | #endif |
2fa0b342 | 525 | for (m = lang_memory_region_list; |
075d7359 SC |
526 | m != (lang_memory_region_type *) NULL; |
527 | m = m->next) | |
2fa0b342 | 528 | { |
075d7359 SC |
529 | fprintf (config.map_file, "%-16s", m->name); |
530 | print_address (m->origin); | |
531 | print_space (); | |
532 | print_address (m->length); | |
533 | print_space (); | |
ae475b39 SC |
534 | print_address (m->old_length); |
535 | print_space(); | |
536 | print_address (m->current - m->origin); | |
537 | print_space(); | |
538 | if (m->old_length) | |
539 | fprintf(config.map_file," %2d%% ", ( m->current - m->origin) * 100 / m->old_length); | |
075d7359 SC |
540 | print_flags (&m->flags); |
541 | fprintf (config.map_file, "\n"); | |
2fa0b342 | 542 | } |
075d7359 SC |
543 | fprintf (config.map_file, "\n\n**LINK EDITOR MEMORY MAP**\n\n"); |
544 | fprintf (config.map_file, "output input virtual\n"); | |
545 | fprintf (config.map_file, "section section address tsize\n\n"); | |
2fa0b342 | 546 | |
075d7359 | 547 | print_statements (); |
2fa0b342 DHW |
548 | |
549 | } | |
550 | ||
551 | /* | |
552 | * | |
553 | */ | |
075d7359 SC |
554 | static void |
555 | DEFUN (init_os, (s), | |
556 | lang_output_section_statement_type * s) | |
2fa0b342 | 557 | { |
9d1fe8a4 SC |
558 | /* asection *section = bfd_get_section_by_name(output_bfd, s->name);*/ |
559 | section_userdata_type *new = | |
075d7359 SC |
560 | (section_userdata_type *) |
561 | stat_alloc ((bfd_size_type) (sizeof (section_userdata_type))); | |
562 | ||
563 | s->bfd_section = bfd_get_section_by_name (output_bfd, s->name); | |
564 | if (s->bfd_section == (asection *) NULL) | |
565 | s->bfd_section = bfd_make_section (output_bfd, s->name); | |
566 | if (s->bfd_section == (asection *) NULL) | |
567 | { | |
568 | einfo ("%P%F output format %s cannot represent section called %s\n", | |
569 | output_bfd->xvec->name, s->name); | |
9d1fe8a4 | 570 | } |
2fa0b342 | 571 | s->bfd_section->output_section = s->bfd_section; |
ae475b39 | 572 | /* s->bfd_section->flags = s->flags;*/ |
7bc4a0d7 | 573 | |
2fa0b342 DHW |
574 | /* We initialize an output sections output offset to minus its own */ |
575 | /* vma to allow us to output a section through itself */ | |
576 | s->bfd_section->output_offset = 0; | |
075d7359 | 577 | get_userdata (s->bfd_section) = (PTR) new; |
c611e285 | 578 | |
2fa0b342 DHW |
579 | } |
580 | ||
1418c83b SC |
581 | /*********************************************************************** |
582 | The wild routines. | |
583 | ||
584 | These expand statements like *(.text) and foo.o to a list of | |
585 | explicit actions, like foo.o(.text), bar.o(.text) and | |
586 | foo.o(.text,.data) . | |
587 | ||
588 | The toplevel routine, wild, takes a statement, section, file and | |
589 | target. If either the section or file is null it is taken to be the | |
590 | wildcard. Seperate lang_input_section statements are created for | |
591 | each part of the expanstion, and placed after the statement provided. | |
592 | ||
593 | */ | |
075d7359 | 594 | |
2fa0b342 | 595 | static void |
075d7359 SC |
596 | DEFUN (wild_doit, (ptr, section, output, file), |
597 | lang_statement_list_type * ptr AND | |
598 | asection * section AND | |
599 | lang_output_section_statement_type * output AND | |
600 | lang_input_statement_type * file) | |
2fa0b342 | 601 | { |
075d7359 | 602 | if (output->bfd_section == (asection *) NULL) |
ae475b39 SC |
603 | { |
604 | init_os (output); | |
e9b63852 ILT |
605 | /* Initialize the vma and size to the existing section. This will |
606 | be overriden in lang_size_sections unless SEC_NEVER_LOAD gets | |
607 | set. */ | |
608 | if (section != (asection *) NULL) | |
609 | { | |
610 | bfd_set_section_vma (0, output->bfd_section, | |
611 | bfd_section_vma (0, section)); | |
612 | output->bfd_section->_raw_size = section->_raw_size; | |
613 | } | |
ae475b39 | 614 | } |
2fa0b342 | 615 | |
075d7359 SC |
616 | if (section != (asection *) NULL |
617 | && section->output_section == (asection *) NULL) | |
ae475b39 SC |
618 | { |
619 | /* Add a section reference to the list */ | |
620 | lang_input_section_type *new = new_stat (lang_input_section, ptr); | |
621 | ||
622 | new->section = section; | |
623 | new->ifile = file; | |
624 | section->output_section = output->bfd_section; | |
29f33467 SC |
625 | |
626 | /* Be selective about what the output section inherits from the | |
627 | input section */ | |
628 | ||
629 | section->output_section->flags |= section->flags & ~SEC_NEVER_LOAD; | |
630 | ||
ae475b39 | 631 | if (!output->loadable) |
075d7359 | 632 | { |
29f33467 | 633 | /* Turn off load flag */ |
ae475b39 | 634 | output->bfd_section->flags &= ~SEC_LOAD; |
29f33467 | 635 | output->bfd_section->flags |= SEC_NEVER_LOAD; |
ae475b39 SC |
636 | } |
637 | if (section->alignment_power > output->bfd_section->alignment_power) | |
638 | { | |
639 | output->bfd_section->alignment_power = section->alignment_power; | |
075d7359 | 640 | } |
e20873a7 JG |
641 | /* If supplied an aligmnet, then force it */ |
642 | if (output->section_alignment != -1) | |
643 | { | |
644 | output->bfd_section->alignment_power = output->section_alignment; | |
645 | } | |
ae475b39 | 646 | } |
2fa0b342 DHW |
647 | } |
648 | ||
649 | static asection * | |
075d7359 SC |
650 | DEFUN (our_bfd_get_section_by_name, (abfd, section), |
651 | bfd * abfd AND | |
652 | CONST char *section) | |
2fa0b342 | 653 | { |
075d7359 | 654 | return bfd_get_section_by_name (abfd, section); |
2fa0b342 | 655 | } |
1418c83b | 656 | |
075d7359 SC |
657 | static void |
658 | DEFUN (wild_section, (ptr, section, file, output), | |
659 | lang_wild_statement_type * ptr AND | |
660 | CONST char *section AND | |
661 | lang_input_statement_type * file AND | |
662 | lang_output_section_statement_type * output) | |
2fa0b342 DHW |
663 | { |
664 | asection *s; | |
075d7359 SC |
665 | |
666 | if (file->just_syms_flag == false) | |
667 | { | |
668 | if (section == (char *) NULL) | |
669 | { | |
670 | /* Do the creation to all sections in the file */ | |
671 | for (s = file->the_bfd->sections; s != (asection *) NULL; s = s->next) | |
29f33467 SC |
672 | { |
673 | /* except for bss */ | |
674 | if ((s->flags & SEC_IS_COMMON) == 0) | |
075d7359 SC |
675 | { |
676 | wild_doit (&ptr->children, s, output, file); | |
677 | } | |
29f33467 | 678 | } |
075d7359 SC |
679 | } |
680 | else | |
681 | { | |
682 | /* Do the creation to the named section only */ | |
683 | wild_doit (&ptr->children, | |
684 | our_bfd_get_section_by_name (file->the_bfd, section), | |
685 | output, file); | |
686 | } | |
2fa0b342 | 687 | } |
2fa0b342 DHW |
688 | } |
689 | ||
1418c83b SC |
690 | /* passed a file name (which must have been seen already and added to |
691 | the statement tree. We will see if it has been opened already and | |
692 | had its symbols read. If not then we'll read it. | |
2fa0b342 | 693 | |
1418c83b SC |
694 | Archives are pecuilar here. We may open them once, but if they do |
695 | not define anything we need at the time, they won't have all their | |
696 | symbols read. If we need them later, we'll have to redo it. | |
697 | */ | |
2fa0b342 | 698 | static |
1418c83b | 699 | lang_input_statement_type * |
075d7359 SC |
700 | DEFUN (lookup_name, (name), |
701 | CONST char *CONST name) | |
2fa0b342 DHW |
702 | { |
703 | lang_input_statement_type *search; | |
075d7359 SC |
704 | |
705 | for (search = (lang_input_statement_type *) input_file_chain.head; | |
706 | search != (lang_input_statement_type *) NULL; | |
707 | search = (lang_input_statement_type *) search->next_real_file) | |
708 | { | |
709 | if (search->filename == (char *) NULL && name == (char *) NULL) | |
710 | { | |
2fa0b342 DHW |
711 | return search; |
712 | } | |
075d7359 SC |
713 | if (search->filename != (char *) NULL && name != (char *) NULL) |
714 | { | |
715 | if (strcmp (search->filename, name) == 0) | |
716 | { | |
717 | ldmain_open_file_read_symbol (search); | |
718 | return search; | |
719 | } | |
1418c83b | 720 | } |
075d7359 | 721 | } |
2fa0b342 | 722 | |
075d7359 SC |
723 | /* There isn't an afile entry for this file yet, this must be |
724 | because the name has only appeared inside a load script and not | |
1418c83b | 725 | on the command line */ |
075d7359 SC |
726 | search = new_afile (name, lang_input_file_is_file_enum, default_target); |
727 | ldmain_open_file_read_symbol (search); | |
2fa0b342 | 728 | return search; |
1418c83b SC |
729 | |
730 | ||
2fa0b342 DHW |
731 | } |
732 | ||
733 | static void | |
075d7359 SC |
734 | DEFUN (wild, (s, section, file, target, output), |
735 | lang_wild_statement_type * s AND | |
736 | CONST char *CONST section AND | |
737 | CONST char *CONST file AND | |
738 | CONST char *CONST target AND | |
739 | lang_output_section_statement_type * output) | |
2fa0b342 DHW |
740 | { |
741 | lang_input_statement_type *f; | |
075d7359 SC |
742 | |
743 | if (file == (char *) NULL) | |
744 | { | |
745 | /* Perform the iteration over all files in the list */ | |
746 | for (f = (lang_input_statement_type *) file_chain.head; | |
747 | f != (lang_input_statement_type *) NULL; | |
748 | f = (lang_input_statement_type *) f->next) | |
749 | { | |
750 | wild_section (s, section, f, output); | |
751 | } | |
29f33467 SC |
752 | /* Once more for the script file */ |
753 | wild_section(s, section, script_file, output); | |
075d7359 SC |
754 | } |
755 | else | |
756 | { | |
757 | /* Perform the iteration over a single file */ | |
758 | wild_section (s, section, lookup_name (file), output); | |
759 | } | |
760 | if (section != (char *) NULL | |
761 | && strcmp (section, "COMMON") == 0 | |
762 | && default_common_section == (lang_output_section_statement_type *) NULL) | |
763 | { | |
764 | /* Remember the section that common is going to incase we later | |
765 | get something which doesn't know where to put it */ | |
766 | default_common_section = output; | |
2fa0b342 | 767 | } |
2fa0b342 DHW |
768 | } |
769 | ||
770 | /* | |
075d7359 | 771 | read in all the files |
2fa0b342 | 772 | */ |
075d7359 SC |
773 | static bfd * |
774 | DEFUN (open_output, (name), | |
775 | CONST char *CONST name) | |
2fa0b342 | 776 | { |
30d1a390 SC |
777 | extern unsigned long ldfile_output_machine; |
778 | extern enum bfd_architecture ldfile_output_architecture; | |
779 | ||
1418c83b | 780 | extern CONST char *output_filename; |
097879bc | 781 | bfd *output; |
097879bc | 782 | |
075d7359 | 783 | if (output_target == (char *) NULL) |
ae475b39 SC |
784 | { |
785 | if (current_target != (char *) NULL) | |
786 | output_target = current_target; | |
787 | else | |
788 | output_target = default_target; | |
789 | } | |
075d7359 SC |
790 | output = bfd_openw (name, output_target); |
791 | output_filename = name; | |
792 | ||
793 | if (output == (bfd *) NULL) | |
794 | { | |
ae475b39 SC |
795 | if (bfd_error == invalid_target) |
796 | { | |
797 | einfo ("%P%F target %s not found\n", output_target); | |
798 | } | |
22f5b2b9 | 799 | einfo ("%P%F problem opening output file %s, %E\n", name); |
075d7359 | 800 | } |
30d1a390 SC |
801 | |
802 | /* output->flags |= D_PAGED;*/ | |
075d7359 | 803 | |
075d7359 | 804 | bfd_set_format (output, bfd_object); |
ae475b39 SC |
805 | bfd_set_arch_mach (output, |
806 | ldfile_output_architecture, | |
807 | ldfile_output_machine); | |
1b8a42f3 | 808 | bfd_set_gp_size (output, g_switch_value); |
2fa0b342 DHW |
809 | return output; |
810 | } | |
1418c83b SC |
811 | |
812 | ||
097879bc | 813 | |
1418c83b | 814 | |
2fa0b342 | 815 | static void |
075d7359 SC |
816 | DEFUN (ldlang_open_output, (statement), |
817 | lang_statement_union_type * statement) | |
2fa0b342 | 818 | { |
075d7359 SC |
819 | switch (statement->header.type) |
820 | { | |
821 | case lang_output_statement_enum: | |
822 | output_bfd = open_output (statement->output_statement.name); | |
823 | ldemul_set_output_arch (); | |
824 | if (config.magic_demand_paged && !config.relocateable_output) | |
825 | output_bfd->flags |= D_PAGED; | |
826 | else | |
827 | output_bfd->flags &= ~D_PAGED; | |
828 | if (config.text_read_only) | |
829 | output_bfd->flags |= WP_TEXT; | |
830 | else | |
831 | output_bfd->flags &= ~WP_TEXT; | |
832 | break; | |
1418c83b | 833 | |
075d7359 SC |
834 | case lang_target_statement_enum: |
835 | current_target = statement->target_statement.target; | |
836 | break; | |
837 | default: | |
838 | break; | |
839 | } | |
1418c83b | 840 | } |
2fa0b342 | 841 | |
1418c83b | 842 | static void |
075d7359 SC |
843 | DEFUN (open_input_bfds, (statement), |
844 | lang_statement_union_type * statement) | |
1418c83b | 845 | { |
075d7359 SC |
846 | switch (statement->header.type) |
847 | { | |
1418c83b | 848 | case lang_target_statement_enum: |
075d7359 SC |
849 | current_target = statement->target_statement.target; |
850 | break; | |
851 | case lang_wild_statement_enum: | |
852 | /* Maybe we should load the file's symbols */ | |
853 | if (statement->wild_statement.filename) | |
854 | { | |
855 | (void) lookup_name (statement->wild_statement.filename); | |
856 | } | |
857 | break; | |
858 | case lang_input_statement_enum: | |
859 | if (statement->input_statement.real == true) | |
860 | { | |
861 | statement->input_statement.target = current_target; | |
862 | lookup_name (statement->input_statement.filename); | |
863 | } | |
864 | break; | |
865 | default: | |
866 | break; | |
867 | } | |
2fa0b342 | 868 | } |
075d7359 | 869 | |
2fa0b342 DHW |
870 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
871 | ||
872 | static void | |
075d7359 | 873 | lang_reasonable_defaults () |
2fa0b342 | 874 | { |
ffc50032 | 875 | |
ffc50032 | 876 | |
075d7359 | 877 | |
1418c83b | 878 | #if 0 |
075d7359 SC |
879 | lang_output_section_statement_lookup (".text"); |
880 | lang_output_section_statement_lookup (".data"); | |
8cb5eb31 | 881 | |
075d7359 SC |
882 | default_common_section = |
883 | lang_output_section_statement_lookup (".bss"); | |
8cb5eb31 | 884 | |
1418c83b | 885 | |
075d7359 SC |
886 | if (placed_commons == false) |
887 | { | |
888 | lang_wild_statement_type *new = | |
889 | new_stat (lang_wild_statement, | |
890 | &default_common_section->children); | |
891 | ||
892 | new->section_name = "COMMON"; | |
893 | new->filename = (char *) NULL; | |
894 | lang_list_init (&new->children); | |
895 | } | |
1418c83b | 896 | #endif |
8cb5eb31 | 897 | |
2fa0b342 DHW |
898 | } |
899 | ||
1418c83b SC |
900 | /* |
901 | Add the supplied name to the symbol table as an undefined reference. | |
902 | Remove items from the chain as we open input bfds | |
903 | */ | |
075d7359 SC |
904 | typedef struct ldlang_undef_chain_list |
905 | { | |
f177a611 | 906 | struct ldlang_undef_chain_list *next; |
1418c83b | 907 | char *name; |
075d7359 | 908 | } ldlang_undef_chain_list_type; |
1418c83b SC |
909 | |
910 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
911 | ||
912 | void | |
075d7359 SC |
913 | DEFUN (ldlang_add_undef, (name), |
914 | CONST char *CONST name) | |
2fa0b342 | 915 | { |
1418c83b | 916 | ldlang_undef_chain_list_type *new = |
075d7359 SC |
917 | (ldlang_undef_chain_list_type |
918 | *) stat_alloc ((bfd_size_type) (sizeof (ldlang_undef_chain_list_type))); | |
1418c83b SC |
919 | |
920 | new->next = ldlang_undef_chain_list_head; | |
921 | ldlang_undef_chain_list_head = new; | |
922 | ||
075d7359 | 923 | new->name = buystring (name); |
1418c83b | 924 | } |
075d7359 | 925 | |
1418c83b SC |
926 | /* Run through the list of undefineds created above and place them |
927 | into the linker hash table as undefined symbols belonging to the | |
928 | script file. | |
929 | */ | |
930 | static void | |
075d7359 | 931 | DEFUN_VOID (lang_place_undefineds) |
1418c83b SC |
932 | { |
933 | ldlang_undef_chain_list_type *ptr = ldlang_undef_chain_list_head; | |
1418c83b | 934 | |
075d7359 SC |
935 | while (ptr != (ldlang_undef_chain_list_type *) NULL) |
936 | { | |
937 | asymbol *def; | |
938 | asymbol **def_ptr = (asymbol **) stat_alloc ((bfd_size_type) (sizeof (asymbol **))); | |
939 | ||
940 | def = (asymbol *) bfd_make_empty_symbol (script_file->the_bfd); | |
941 | *def_ptr = def; | |
942 | def->name = ptr->name; | |
943 | def->section = &bfd_und_section; | |
944 | Q_enter_global_ref (def_ptr, ptr->name); | |
945 | ptr = ptr->next; | |
946 | } | |
947 | } | |
1418c83b SC |
948 | |
949 | /* Copy important data from out internal form to the bfd way. Also | |
950 | create a section for the dummy file | |
951 | */ | |
952 | ||
953 | static void | |
075d7359 | 954 | DEFUN_VOID (lang_create_output_section_statements) |
1418c83b | 955 | { |
075d7359 SC |
956 | lang_statement_union_type *os; |
957 | ||
1418c83b | 958 | for (os = lang_output_section_statement.head; |
075d7359 SC |
959 | os != (lang_statement_union_type *) NULL; |
960 | os = os->output_section_statement.next) | |
961 | { | |
962 | lang_output_section_statement_type *s = | |
1418c83b | 963 | &os->output_section_statement; |
075d7359 SC |
964 | |
965 | init_os (s); | |
966 | } | |
1418c83b SC |
967 | |
968 | } | |
969 | ||
970 | static void | |
075d7359 | 971 | DEFUN_VOID (lang_init_script_file) |
1418c83b | 972 | { |
29f33467 | 973 | script_file = lang_add_input_file ("command line", |
075d7359 SC |
974 | lang_input_file_is_fake_enum, |
975 | (char *) NULL); | |
29f33467 | 976 | script_file->the_bfd = bfd_create ("command line", output_bfd); |
1418c83b | 977 | script_file->symbol_count = 0; |
29f33467 SC |
978 | script_file->the_bfd->sections = 0; |
979 | ||
980 | /* The user data of a bfd points to the input statement attatched */ | |
981 | script_file->the_bfd->usrdata = (void *)script_file; | |
982 | script_file->common_section = | |
983 | bfd_make_section(script_file->the_bfd,"COMMON"); | |
984 | ||
985 | abs_output_section = | |
986 | lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 987 | |
075d7359 | 988 | abs_output_section->bfd_section = &bfd_abs_section; |
9d1fe8a4 | 989 | |
2fa0b342 DHW |
990 | } |
991 | ||
2fa0b342 DHW |
992 | /* Open input files and attatch to output sections */ |
993 | static void | |
075d7359 SC |
994 | DEFUN (map_input_to_output_sections, (s, target, output_section_statement), |
995 | lang_statement_union_type * s AND | |
996 | CONST char *target AND | |
997 | lang_output_section_statement_type * output_section_statement) | |
2fa0b342 | 998 | { |
075d7359 | 999 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1000 | { |
075d7359 | 1001 | switch (s->header.type) |
2fa0b342 | 1002 | { |
075d7359 SC |
1003 | |
1004 | ||
1005 | case lang_wild_statement_enum: | |
1006 | wild (&s->wild_statement, s->wild_statement.section_name, | |
1007 | s->wild_statement.filename, target, | |
1008 | output_section_statement); | |
1009 | ||
1010 | break; | |
1011 | case lang_constructors_statement_enum: | |
1012 | map_input_to_output_sections (constructor_list.head, | |
1013 | target, | |
1014 | output_section_statement); | |
1015 | break; | |
1016 | case lang_output_section_statement_enum: | |
1017 | map_input_to_output_sections (s->output_section_statement.children.head, | |
1018 | target, | |
1019 | &s->output_section_statement); | |
1020 | break; | |
1021 | case lang_output_statement_enum: | |
1022 | break; | |
1023 | case lang_target_statement_enum: | |
1024 | target = s->target_statement.target; | |
1025 | break; | |
1026 | case lang_fill_statement_enum: | |
1027 | case lang_input_section_enum: | |
1028 | case lang_object_symbols_statement_enum: | |
1029 | case lang_data_statement_enum: | |
1030 | case lang_assignment_statement_enum: | |
1031 | case lang_padding_statement_enum: | |
1032 | break; | |
1033 | case lang_afile_asection_pair_statement_enum: | |
1034 | FAIL (); | |
1035 | break; | |
1036 | case lang_address_statement_enum: | |
1037 | /* Mark the specified section with the supplied address */ | |
1038 | { | |
1039 | lang_output_section_statement_type *os = | |
2fa0b342 | 1040 | lang_output_section_statement_lookup |
075d7359 SC |
1041 | (s->address_statement.section_name); |
1042 | ||
1043 | os->addr_tree = s->address_statement.address; | |
1044 | if (os->bfd_section == (asection *) NULL) | |
1045 | { | |
1046 | einfo ("%P%F can't set the address of undefined section %s\n", | |
1047 | s->address_statement.section_name); | |
1048 | } | |
48491e2e | 1049 | } |
075d7359 SC |
1050 | break; |
1051 | case lang_input_statement_enum: | |
1052 | /* A standard input statement, has no wildcards */ | |
1053 | /* ldmain_open_file_read_symbol(&s->input_statement);*/ | |
1054 | break; | |
2fa0b342 | 1055 | } |
2fa0b342 DHW |
1056 | } |
1057 | } | |
1058 | ||
1059 | ||
1060 | ||
1061 | ||
1062 | ||
075d7359 SC |
1063 | static void |
1064 | DEFUN (print_output_section_statement, (output_section_statement), | |
1065 | lang_output_section_statement_type * output_section_statement) | |
2fa0b342 DHW |
1066 | { |
1067 | asection *section = output_section_statement->bfd_section; | |
075d7359 SC |
1068 | |
1069 | print_nl (); | |
1070 | print_section (output_section_statement->name); | |
1071 | ||
e20873a7 | 1072 | |
075d7359 | 1073 | if (section) |
e20873a7 JG |
1074 | { |
1075 | print_dot = section->vma; | |
1076 | print_space (); | |
1077 | print_section (""); | |
1078 | print_space (); | |
1079 | print_address (section->vma); | |
1080 | print_space (); | |
1081 | print_size (section->_raw_size); | |
1082 | print_space(); | |
1083 | print_size(section->_cooked_size); | |
1084 | print_space (); | |
1085 | print_alignment (section->alignment_power); | |
1086 | print_space (); | |
2fa0b342 | 1087 | #if 0 |
e20873a7 JG |
1088 | fprintf (config.map_file, "%s flags", output_section_statement->region->name); |
1089 | print_flags (stdout, &output_section_statement->flags); | |
2fa0b342 | 1090 | #endif |
e20873a7 JG |
1091 | if (section->flags & SEC_LOAD) |
1092 | fprintf (config.map_file, "load "); | |
1093 | if (section->flags & SEC_ALLOC) | |
1094 | fprintf (config.map_file, "alloc "); | |
1095 | if (section->flags & SEC_RELOC) | |
1096 | fprintf (config.map_file, "reloc "); | |
1097 | if (section->flags & SEC_HAS_CONTENTS) | |
1098 | fprintf (config.map_file, "contents "); | |
2fa0b342 | 1099 | |
e20873a7 | 1100 | } |
075d7359 | 1101 | else |
e20873a7 JG |
1102 | { |
1103 | fprintf (config.map_file, "No attached output section"); | |
1104 | } | |
1105 | print_nl (); | |
9fce28ed SC |
1106 | if (output_section_statement->load_base) |
1107 | { | |
1108 | int b = exp_get_value_int(output_section_statement->load_base, | |
1109 | 0, "output base", lang_final_phase_enum); | |
1110 | printf("Output address %08x\n", b); | |
1111 | } | |
e20873a7 JG |
1112 | if (output_section_statement->section_alignment >= 0 |
1113 | || output_section_statement->section_alignment >= 0) | |
1114 | { | |
1115 | printf("\t\t\t\t\tforced alignment "); | |
1116 | if ( output_section_statement->section_alignment >= 0) | |
075d7359 | 1117 | { |
e20873a7 | 1118 | printf("section 2**%d ",output_section_statement->section_alignment ); |
075d7359 | 1119 | } |
e20873a7 JG |
1120 | if ( output_section_statement->subsection_alignment >= 0) |
1121 | { | |
1122 | printf("subsection 2**%d ",output_section_statement->subsection_alignment ); | |
1123 | } | |
1124 | ||
1125 | print_nl (); | |
1126 | } | |
075d7359 SC |
1127 | print_statement (output_section_statement->children.head, |
1128 | output_section_statement); | |
2fa0b342 DHW |
1129 | |
1130 | } | |
1131 | ||
075d7359 SC |
1132 | static void |
1133 | DEFUN (print_assignment, (assignment, output_section), | |
1134 | lang_assignment_statement_type * assignment AND | |
1135 | lang_output_section_statement_type * output_section) | |
2fa0b342 DHW |
1136 | { |
1137 | etree_value_type result; | |
075d7359 SC |
1138 | |
1139 | print_section (""); | |
1140 | print_space (); | |
1141 | print_section (""); | |
1142 | print_space (); | |
1143 | print_address (print_dot); | |
1144 | print_space (); | |
1145 | result = exp_fold_tree (assignment->exp->assign.src, | |
1146 | output_section, | |
1147 | lang_final_phase_enum, | |
1148 | print_dot, | |
1149 | &print_dot); | |
1150 | ||
1151 | if (result.valid) | |
1152 | { | |
1153 | print_address (result.value); | |
1154 | } | |
1155 | else | |
1156 | { | |
1157 | fprintf (config.map_file, "*undefined*"); | |
1158 | } | |
1159 | print_space (); | |
1160 | exp_print_tree (assignment->exp); | |
1161 | ||
1162 | fprintf (config.map_file, "\n"); | |
2fa0b342 DHW |
1163 | } |
1164 | ||
1165 | static void | |
075d7359 SC |
1166 | DEFUN (print_input_statement, (statm), |
1167 | lang_input_statement_type * statm) | |
2fa0b342 | 1168 | { |
075d7359 SC |
1169 | if (statm->filename != (char *) NULL) |
1170 | { | |
1171 | fprintf (config.map_file, "LOAD %s\n", statm->filename); | |
1172 | } | |
2fa0b342 DHW |
1173 | } |
1174 | ||
075d7359 SC |
1175 | static void |
1176 | DEFUN (print_symbol, (q), | |
1177 | asymbol * q) | |
2fa0b342 | 1178 | { |
075d7359 SC |
1179 | print_section (""); |
1180 | fprintf (config.map_file, " "); | |
1181 | print_section (""); | |
1182 | fprintf (config.map_file, " "); | |
1183 | print_address (outside_symbol_address (q)); | |
1184 | fprintf (config.map_file, " %s", q->name ? q->name : " "); | |
1185 | print_nl (); | |
2fa0b342 | 1186 | } |
1418c83b | 1187 | |
075d7359 SC |
1188 | static void |
1189 | DEFUN (print_input_section, (in), | |
1190 | lang_input_section_type * in) | |
2fa0b342 DHW |
1191 | { |
1192 | asection *i = in->section; | |
aa34a7c3 | 1193 | int size = i->reloc_done ? |
075d7359 SC |
1194 | bfd_get_section_size_after_reloc (i) : |
1195 | bfd_get_section_size_before_reloc (i); | |
1418c83b | 1196 | |
075d7359 SC |
1197 | if (size != 0) |
1198 | { | |
1199 | print_section (""); | |
1200 | fprintf (config.map_file, " "); | |
1201 | print_section (i->name); | |
1202 | fprintf (config.map_file, " "); | |
1203 | if (i->output_section) | |
1204 | { | |
1205 | print_address (i->output_section->vma + i->output_offset); | |
1206 | fprintf (config.map_file, " "); | |
ae475b39 SC |
1207 | print_size (i->_raw_size); |
1208 | fprintf (config.map_file, " "); | |
1209 | print_size(i->_cooked_size); | |
075d7359 SC |
1210 | fprintf (config.map_file, " "); |
1211 | print_alignment (i->alignment_power); | |
1212 | fprintf (config.map_file, " "); | |
1213 | if (in->ifile) | |
1214 | { | |
2fa0b342 | 1215 | |
075d7359 | 1216 | bfd *abfd = in->ifile->the_bfd; |
2fa0b342 | 1217 | |
075d7359 SC |
1218 | if (in->ifile->just_syms_flag == true) |
1219 | { | |
1220 | fprintf (config.map_file, "symbols only "); | |
1221 | } | |
2fa0b342 | 1222 | |
075d7359 SC |
1223 | fprintf (config.map_file, " %s ", abfd->xvec->name); |
1224 | if (abfd->my_archive != (bfd *) NULL) | |
1225 | { | |
1226 | fprintf (config.map_file, "[%s]%s", abfd->my_archive->filename, | |
1227 | abfd->filename); | |
1228 | } | |
1229 | else | |
1230 | { | |
1231 | fprintf (config.map_file, "%s", abfd->filename); | |
1232 | } | |
1233 | fprintf (config.map_file, "(overhead %d bytes)", (int) bfd_alloc_size (abfd)); | |
1234 | print_nl (); | |
2fa0b342 | 1235 | |
075d7359 SC |
1236 | /* Find all the symbols in this file defined in this section */ |
1237 | ||
ae475b39 SC |
1238 | if (in->ifile->symbol_count) |
1239 | { | |
1240 | asymbol **p; | |
075d7359 | 1241 | |
ae475b39 SC |
1242 | for (p = in->ifile->asymbols; *p; p++) |
1243 | { | |
1244 | asymbol *q = *p; | |
075d7359 | 1245 | |
ae475b39 SC |
1246 | if (bfd_get_section (q) == i && q->flags & BSF_GLOBAL) |
1247 | { | |
1248 | print_symbol (q); | |
1249 | } | |
1250 | } | |
1251 | } | |
075d7359 SC |
1252 | } |
1253 | else | |
1254 | { | |
1255 | print_nl (); | |
1256 | } | |
1257 | ||
1258 | ||
1259 | print_dot = outside_section_address (i) + size; | |
1260 | } | |
1261 | else | |
1262 | { | |
1263 | fprintf (config.map_file, "No output section allocated\n"); | |
1264 | } | |
1265 | } | |
1266 | } | |
2fa0b342 DHW |
1267 | |
1268 | static void | |
075d7359 SC |
1269 | DEFUN (print_fill_statement, (fill), |
1270 | lang_fill_statement_type * fill) | |
1271 | { | |
1272 | fprintf (config.map_file, "FILL mask "); | |
1273 | print_fill (fill->fill); | |
1274 | } | |
1275 | ||
1276 | static void | |
1277 | DEFUN (print_data_statement, (data), | |
1278 | lang_data_statement_type * data) | |
2fa0b342 DHW |
1279 | { |
1280 | /* bfd_vma value; */ | |
075d7359 SC |
1281 | print_section (""); |
1282 | print_space (); | |
1283 | print_section (""); | |
1284 | print_space (); | |
65c552e3 | 1285 | /* ASSERT(print_dot == data->output_vma);*/ |
2fa0b342 | 1286 | |
075d7359 SC |
1287 | print_address (data->output_vma + data->output_section->vma); |
1288 | print_space (); | |
1289 | print_address (data->value); | |
1290 | print_space (); | |
1291 | switch (data->type) | |
1292 | { | |
1293 | case BYTE: | |
1294 | fprintf (config.map_file, "BYTE "); | |
1295 | print_dot += BYTE_SIZE; | |
1296 | break; | |
1297 | case SHORT: | |
1298 | fprintf (config.map_file, "SHORT "); | |
1299 | print_dot += SHORT_SIZE; | |
1300 | break; | |
1301 | case LONG: | |
1302 | fprintf (config.map_file, "LONG "); | |
1303 | print_dot += LONG_SIZE; | |
1304 | break; | |
1305 | } | |
1306 | ||
1307 | exp_print_tree (data->exp); | |
2fa0b342 | 1308 | |
075d7359 | 1309 | fprintf (config.map_file, "\n"); |
2fa0b342 DHW |
1310 | } |
1311 | ||
1312 | ||
1313 | static void | |
075d7359 SC |
1314 | DEFUN (print_padding_statement, (s), |
1315 | lang_padding_statement_type * s) | |
1316 | { | |
1317 | print_section (""); | |
1318 | print_space (); | |
1319 | print_section ("*fill*"); | |
1320 | print_space (); | |
1321 | print_address (s->output_offset + s->output_section->vma); | |
1322 | print_space (); | |
1323 | print_size (s->size); | |
1324 | print_space (); | |
1325 | print_fill (s->fill); | |
1326 | print_nl (); | |
ffc50032 | 1327 | |
aa34a7c3 | 1328 | print_dot = s->output_offset + s->output_section->vma + s->size; |
ffc50032 | 1329 | |
2fa0b342 DHW |
1330 | } |
1331 | ||
075d7359 SC |
1332 | static void |
1333 | DEFUN (print_wild_statement, (w, os), | |
1334 | lang_wild_statement_type * w AND | |
1335 | lang_output_section_statement_type * os) | |
2fa0b342 | 1336 | { |
075d7359 SC |
1337 | fprintf (config.map_file, " from "); |
1338 | if (w->filename != (char *) NULL) | |
1339 | { | |
1340 | fprintf (config.map_file, "%s", w->filename); | |
1341 | } | |
1342 | else | |
1343 | { | |
1344 | fprintf (config.map_file, "*"); | |
1345 | } | |
1346 | if (w->section_name != (char *) NULL) | |
1347 | { | |
1348 | fprintf (config.map_file, "(%s)", w->section_name); | |
1349 | } | |
1350 | else | |
1351 | { | |
1352 | fprintf (config.map_file, "(*)"); | |
1353 | } | |
1354 | print_nl (); | |
1355 | print_statement (w->children.head, os); | |
2fa0b342 DHW |
1356 | |
1357 | } | |
1358 | static void | |
075d7359 SC |
1359 | DEFUN (print_statement, (s, os), |
1360 | lang_statement_union_type * s AND | |
1361 | lang_output_section_statement_type * os) | |
2fa0b342 | 1362 | { |
075d7359 | 1363 | while (s) |
c611e285 | 1364 | { |
075d7359 | 1365 | switch (s->header.type) |
c611e285 | 1366 | { |
075d7359 SC |
1367 | case lang_constructors_statement_enum: |
1368 | fprintf (config.map_file, "constructors:\n"); | |
1369 | print_statement (constructor_list.head, os); | |
1370 | break; | |
1371 | case lang_wild_statement_enum: | |
1372 | print_wild_statement (&s->wild_statement, os); | |
1373 | break; | |
1374 | default: | |
1375 | fprintf (config.map_file, "Fail with %d\n", s->header.type); | |
1376 | FAIL (); | |
1377 | break; | |
1378 | case lang_address_statement_enum: | |
1379 | fprintf (config.map_file, "address\n"); | |
1380 | break; | |
1381 | case lang_object_symbols_statement_enum: | |
1382 | fprintf (config.map_file, "object symbols\n"); | |
1383 | break; | |
1384 | case lang_fill_statement_enum: | |
1385 | print_fill_statement (&s->fill_statement); | |
1386 | break; | |
1387 | case lang_data_statement_enum: | |
1388 | print_data_statement (&s->data_statement); | |
1389 | break; | |
1390 | case lang_input_section_enum: | |
1391 | print_input_section (&s->input_section); | |
1392 | break; | |
1393 | case lang_padding_statement_enum: | |
1394 | print_padding_statement (&s->padding_statement); | |
1395 | break; | |
1396 | case lang_output_section_statement_enum: | |
1397 | print_output_section_statement (&s->output_section_statement); | |
1398 | break; | |
1399 | case lang_assignment_statement_enum: | |
1400 | print_assignment (&s->assignment_statement, | |
1401 | os); | |
1402 | break; | |
1403 | case lang_target_statement_enum: | |
1404 | fprintf (config.map_file, "TARGET(%s)\n", s->target_statement.target); | |
1405 | break; | |
1406 | case lang_output_statement_enum: | |
1407 | fprintf (config.map_file, "OUTPUT(%s %s)\n", | |
c611e285 | 1408 | s->output_statement.name, |
e20873a7 | 1409 | output_target ? output_target : ""); |
075d7359 SC |
1410 | break; |
1411 | case lang_input_statement_enum: | |
1412 | print_input_statement (&s->input_statement); | |
1413 | break; | |
1414 | case lang_afile_asection_pair_statement_enum: | |
1415 | FAIL (); | |
1416 | break; | |
c611e285 | 1417 | } |
075d7359 | 1418 | s = s->next; |
2fa0b342 | 1419 | } |
2fa0b342 DHW |
1420 | } |
1421 | ||
1422 | ||
1423 | static void | |
075d7359 | 1424 | DEFUN_VOID (print_statements) |
2fa0b342 | 1425 | { |
075d7359 SC |
1426 | print_statement (statement_list.head, |
1427 | abs_output_section); | |
1428 | ||
2fa0b342 DHW |
1429 | } |
1430 | ||
1431 | static bfd_vma | |
075d7359 SC |
1432 | DEFUN (insert_pad, (this_ptr, fill, power, output_section_statement, dot), |
1433 | lang_statement_union_type ** this_ptr AND | |
1434 | fill_type fill AND | |
1435 | unsigned int power AND | |
1436 | asection * output_section_statement AND | |
1437 | bfd_vma dot) | |
1438 | { | |
1439 | /* Align this section first to the | |
2fa0b342 DHW |
1440 | input sections requirement, then |
1441 | to the output section's requirement. | |
075d7359 | 1442 | If this alignment is > than any seen before, |
2fa0b342 DHW |
1443 | then record it too. Perform the alignment by |
1444 | inserting a magic 'padding' statement. | |
1445 | */ | |
1446 | ||
075d7359 | 1447 | unsigned int alignment_needed = align_power (dot, power) - dot; |
2fa0b342 | 1448 | |
075d7359 | 1449 | if (alignment_needed != 0) |
2fa0b342 | 1450 | { |
075d7359 SC |
1451 | lang_statement_union_type *new = |
1452 | (lang_statement_union_type *) | |
1453 | stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type))); | |
1454 | ||
2fa0b342 DHW |
1455 | /* Link into existing chain */ |
1456 | new->header.next = *this_ptr; | |
1457 | *this_ptr = new; | |
1458 | new->header.type = lang_padding_statement_enum; | |
1459 | new->padding_statement.output_section = output_section_statement; | |
1460 | new->padding_statement.output_offset = | |
1461 | dot - output_section_statement->vma; | |
1462 | new->padding_statement.fill = fill; | |
1463 | new->padding_statement.size = alignment_needed; | |
1464 | } | |
1465 | ||
1466 | ||
1467 | /* Remember the most restrictive alignment */ | |
075d7359 SC |
1468 | if (power > output_section_statement->alignment_power) |
1469 | { | |
1470 | output_section_statement->alignment_power = power; | |
1471 | } | |
c611e285 | 1472 | output_section_statement->_raw_size += alignment_needed; |
2fa0b342 DHW |
1473 | return alignment_needed + dot; |
1474 | ||
1475 | } | |
1476 | ||
1418c83b | 1477 | /* Work out how much this section will move the dot point */ |
075d7359 | 1478 | static bfd_vma |
ae475b39 SC |
1479 | DEFUN (size_input_section, (this_ptr, output_section_statement, fill, |
1480 | dot, relax), | |
075d7359 SC |
1481 | lang_statement_union_type ** this_ptr AND |
1482 | lang_output_section_statement_type * output_section_statement AND | |
1483 | unsigned short fill AND | |
ae475b39 SC |
1484 | bfd_vma dot AND |
1485 | boolean relax) | |
2fa0b342 DHW |
1486 | { |
1487 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1488 | asection *i = is->section; | |
2fa0b342 | 1489 | |
075d7359 SC |
1490 | if (is->ifile->just_syms_flag == false) |
1491 | { | |
e20873a7 JG |
1492 | if (output_section_statement->subsection_alignment != -1) |
1493 | i->alignment_power = | |
1494 | output_section_statement->subsection_alignment; | |
1495 | ||
075d7359 SC |
1496 | dot = insert_pad (this_ptr, fill, i->alignment_power, |
1497 | output_section_statement->bfd_section, dot); | |
1498 | ||
1499 | /* remember the largest size so we can malloc the largest area | |
1500 | needed for the output stage. Only remember the size of sections | |
1501 | which we will actually allocate */ | |
1502 | if (((i->flags & | |
ba2c2b1c | 1503 | (SEC_HAS_CONTENTS | SEC_ALLOC)) == (SEC_HAS_CONTENTS | SEC_ALLOC)) |
075d7359 SC |
1504 | && (bfd_get_section_size_before_reloc (i) > largest_section)) |
1505 | { | |
1506 | largest_section = bfd_get_section_size_before_reloc (i); | |
1507 | } | |
2fa0b342 | 1508 | |
075d7359 | 1509 | /* Remember where in the output section this input section goes */ |
ac004870 | 1510 | |
075d7359 SC |
1511 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1512 | ||
ae475b39 SC |
1513 | /* Mark how big the output section must be to contain this now |
1514 | */ | |
1515 | if (relax) | |
1516 | { | |
1517 | dot += i->_cooked_size; | |
1518 | } | |
1519 | else | |
1520 | { | |
1521 | dot += i->_raw_size; | |
1522 | } | |
1523 | output_section_statement->bfd_section->_raw_size = dot - output_section_statement->bfd_section->vma; | |
075d7359 | 1524 | } |
ac004870 | 1525 | else |
075d7359 SC |
1526 | { |
1527 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1528 | } | |
2fa0b342 | 1529 | |
075d7359 | 1530 | return dot; |
2fa0b342 DHW |
1531 | } |
1532 | ||
c611e285 SC |
1533 | /* Sizing happens in two passes, first pass we allocate worst case |
1534 | stuff. The second pass (if relaxing), we use what we learnt to | |
1535 | change the size of some relocs from worst case to better | |
1536 | */ | |
1537 | static boolean had_relax; | |
1538 | ||
1539 | static bfd_vma | |
075d7359 SC |
1540 | DEFUN (lang_size_sections, (s, output_section_statement, prev, fill, |
1541 | dot, relax), | |
1542 | lang_statement_union_type * s AND | |
1543 | lang_output_section_statement_type * output_section_statement AND | |
1544 | lang_statement_union_type ** prev AND | |
1545 | unsigned short fill AND | |
1546 | bfd_vma dot AND | |
1547 | boolean relax) | |
c611e285 SC |
1548 | { |
1549 | /* Size up the sections from their constituent parts */ | |
075d7359 | 1550 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
ae475b39 SC |
1551 | { |
1552 | switch (s->header.type) | |
075d7359 | 1553 | { |
c611e285 | 1554 | |
ae475b39 SC |
1555 | case lang_output_section_statement_enum: |
1556 | { | |
1557 | bfd_vma after; | |
1558 | lang_output_section_statement_type *os = &s->output_section_statement; | |
1559 | ||
e20873a7 JG |
1560 | /* If this is a shared library section, don't change the size |
1561 | and address. */ | |
1562 | if (os->bfd_section->flags & SEC_SHARED_LIBRARY) | |
e9b63852 ILT |
1563 | break; |
1564 | ||
ae475b39 SC |
1565 | if (os->bfd_section == &bfd_abs_section) |
1566 | { | |
1567 | /* No matter what happens, an abs section starts at zero */ | |
1568 | bfd_set_section_vma (0, os->bfd_section, 0); | |
1569 | } | |
1570 | else | |
1571 | { | |
1572 | if (os->addr_tree == (etree_type *) NULL) | |
1573 | { | |
1574 | /* No address specified for this section, get one | |
1575 | from the region specification | |
1576 | */ | |
1577 | if (os->region == (lang_memory_region_type *) NULL) | |
1578 | { | |
1579 | os->region = lang_memory_region_lookup ("*default*"); | |
1580 | } | |
1581 | dot = os->region->current; | |
1582 | } | |
1583 | else | |
1584 | { | |
1585 | etree_value_type r; | |
1586 | ||
1587 | r = exp_fold_tree (os->addr_tree, | |
1588 | abs_output_section, | |
1589 | lang_allocating_phase_enum, | |
1590 | dot, &dot); | |
1591 | if (r.valid == false) | |
1592 | { | |
1593 | einfo ("%F%S: non constant address expression for section %s\n", | |
1594 | os->name); | |
1595 | } | |
1596 | dot = r.value; | |
1597 | } | |
1598 | /* The section starts here */ | |
1599 | /* First, align to what the section needs */ | |
1600 | ||
1601 | ||
1602 | dot = align_power (dot, os->bfd_section->alignment_power); | |
1603 | bfd_set_section_vma (0, os->bfd_section, dot); | |
9fce28ed SC |
1604 | |
1605 | if (os->load_base) { | |
1606 | os->bfd_section->lma | |
1607 | = exp_get_value_int(os->load_base, 0,"load base", lang_final_phase_enum); | |
1608 | } | |
ae475b39 SC |
1609 | } |
1610 | ||
1611 | ||
1612 | os->bfd_section->output_offset = 0; | |
1613 | ||
1614 | (void) lang_size_sections (os->children.head, os, &os->children.head, | |
1615 | os->fill, dot, relax); | |
1616 | /* Ignore the size of the input sections, use the vma and size to */ | |
1617 | /* align against */ | |
1618 | ||
1619 | ||
1620 | after = ALIGN (os->bfd_section->vma + | |
1621 | os->bfd_section->_raw_size, | |
1622 | os->block_value); | |
1623 | ||
1624 | ||
1625 | os->bfd_section->_raw_size = after - os->bfd_section->vma; | |
1626 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1627 | os->processed = true; | |
1628 | ||
1629 | /* Replace into region ? */ | |
1630 | if (os->addr_tree == (etree_type *) NULL | |
1631 | && os->region != (lang_memory_region_type *) NULL) | |
1632 | { | |
1633 | os->region->current = dot; | |
1634 | /* Make sure this isn't silly */ | |
9fce28ed SC |
1635 | if (( os->region->current |
1636 | > os->region->origin + os->region->length) | |
1637 | || ( os->region->origin > os->region->current )) | |
1638 | { | |
1639 | einfo ("%X%P: Region %s is full (%B section %s)\n", | |
1640 | os->region->name, | |
1641 | os->bfd_section->owner, | |
1642 | os->bfd_section->name); | |
1643 | /* Reset the region pointer */ | |
1644 | os->region->current = 0; | |
ae475b39 | 1645 | |
9fce28ed | 1646 | } |
ae475b39 SC |
1647 | |
1648 | } | |
1649 | } | |
9d1fe8a4 | 1650 | |
ae475b39 SC |
1651 | break; |
1652 | case lang_constructors_statement_enum: | |
1653 | dot = lang_size_sections (constructor_list.head, | |
1654 | output_section_statement, | |
1655 | &s->wild_statement.children.head, | |
1656 | fill, | |
1657 | dot, relax); | |
1658 | break; | |
9d1fe8a4 | 1659 | |
ae475b39 SC |
1660 | case lang_data_statement_enum: |
1661 | { | |
1662 | unsigned int size = 0; | |
1663 | ||
1664 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; | |
1665 | s->data_statement.output_section = | |
1666 | output_section_statement->bfd_section; | |
1667 | ||
1668 | switch (s->data_statement.type) | |
1669 | { | |
1670 | case LONG: | |
1671 | size = LONG_SIZE; | |
1672 | break; | |
1673 | case SHORT: | |
1674 | size = SHORT_SIZE; | |
1675 | break; | |
1676 | case BYTE: | |
1677 | size = BYTE_SIZE; | |
1678 | break; | |
1679 | ||
1680 | } | |
1681 | dot += size; | |
1682 | output_section_statement->bfd_section->_raw_size += size; | |
1683 | } | |
1684 | break; | |
c611e285 | 1685 | |
ae475b39 | 1686 | case lang_wild_statement_enum: |
c611e285 | 1687 | |
ae475b39 SC |
1688 | dot = lang_size_sections (s->wild_statement.children.head, |
1689 | output_section_statement, | |
1690 | &s->wild_statement.children.head, | |
c611e285 | 1691 | |
ae475b39 | 1692 | fill, dot, relax); |
c611e285 | 1693 | |
ae475b39 | 1694 | break; |
c611e285 | 1695 | |
ae475b39 SC |
1696 | case lang_object_symbols_statement_enum: |
1697 | create_object_symbols = output_section_statement; | |
1698 | break; | |
1699 | case lang_output_statement_enum: | |
1700 | case lang_target_statement_enum: | |
1701 | break; | |
1702 | case lang_input_section_enum: | |
1703 | if (relax) | |
1704 | { | |
1705 | relaxing = true; | |
c611e285 | 1706 | |
ae475b39 SC |
1707 | if( relax_section (prev)) |
1708 | had_relax = true; | |
1709 | relaxing = false; | |
075d7359 | 1710 | |
ae475b39 SC |
1711 | } |
1712 | else { | |
1713 | (*prev)->input_section.section->_cooked_size = | |
1714 | (*prev)->input_section.section->_raw_size ; | |
075d7359 | 1715 | |
ae475b39 SC |
1716 | } |
1717 | dot = size_input_section (prev, | |
1718 | output_section_statement, | |
1719 | output_section_statement->fill, | |
1720 | dot, relax); | |
1721 | break; | |
1722 | case lang_input_statement_enum: | |
1723 | break; | |
1724 | case lang_fill_statement_enum: | |
1725 | s->fill_statement.output_section = output_section_statement->bfd_section; | |
075d7359 | 1726 | |
ae475b39 SC |
1727 | fill = s->fill_statement.fill; |
1728 | break; | |
1729 | case lang_assignment_statement_enum: | |
1730 | { | |
1731 | bfd_vma newdot = dot; | |
1732 | ||
1733 | exp_fold_tree (s->assignment_statement.exp, | |
1734 | output_section_statement, | |
1735 | lang_allocating_phase_enum, | |
1736 | dot, | |
1737 | &newdot); | |
1738 | ||
1739 | if (newdot != dot && !relax) | |
1740 | /* We've been moved ! so insert a pad */ | |
1741 | { | |
1742 | lang_statement_union_type *new = | |
1743 | (lang_statement_union_type *) | |
1744 | stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type))); | |
1745 | ||
1746 | /* Link into existing chain */ | |
1747 | new->header.next = *prev; | |
1748 | *prev = new; | |
1749 | new->header.type = lang_padding_statement_enum; | |
1750 | new->padding_statement.output_section = | |
1751 | output_section_statement->bfd_section; | |
1752 | new->padding_statement.output_offset = | |
1753 | dot - output_section_statement->bfd_section->vma; | |
1754 | new->padding_statement.fill = fill; | |
1755 | new->padding_statement.size = newdot - dot; | |
1756 | output_section_statement->bfd_section->_raw_size += | |
1757 | new->padding_statement.size; | |
1758 | dot = newdot; | |
1759 | } | |
1760 | } | |
075d7359 | 1761 | |
ae475b39 SC |
1762 | break; |
1763 | default: | |
1764 | FAIL (); | |
1765 | break; | |
1766 | /* This can only get here when relaxing is turned on */ | |
1767 | case lang_padding_statement_enum: | |
075d7359 | 1768 | |
ae475b39 SC |
1769 | case lang_address_statement_enum: |
1770 | break; | |
075d7359 | 1771 | } |
ae475b39 SC |
1772 | prev = &s->header.next; |
1773 | } | |
c611e285 SC |
1774 | return dot; |
1775 | } | |
9d1fe8a4 | 1776 | |
2fa0b342 | 1777 | static bfd_vma |
075d7359 SC |
1778 | DEFUN (lang_do_assignments, (s, output_section_statement, fill, dot), |
1779 | lang_statement_union_type * s AND | |
1780 | lang_output_section_statement_type * output_section_statement AND | |
1781 | unsigned short fill AND | |
1782 | bfd_vma dot) | |
2fa0b342 DHW |
1783 | { |
1784 | ||
075d7359 | 1785 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1786 | { |
075d7359 | 1787 | switch (s->header.type) |
2fa0b342 | 1788 | { |
075d7359 SC |
1789 | case lang_constructors_statement_enum: |
1790 | dot = lang_do_assignments (constructor_list.head, | |
1791 | output_section_statement, | |
1792 | fill, | |
1793 | dot); | |
1794 | break; | |
1795 | ||
1796 | case lang_output_section_statement_enum: | |
1797 | { | |
1798 | lang_output_section_statement_type *os = | |
2fa0b342 | 1799 | &(s->output_section_statement); |
2fa0b342 | 1800 | |
075d7359 SC |
1801 | dot = os->bfd_section->vma; |
1802 | (void) lang_do_assignments (os->children.head, os, os->fill, dot); | |
1803 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1804 | } | |
1805 | break; | |
1806 | case lang_wild_statement_enum: | |
2fa0b342 | 1807 | |
075d7359 SC |
1808 | dot = lang_do_assignments (s->wild_statement.children.head, |
1809 | output_section_statement, | |
1810 | fill, dot); | |
2fa0b342 | 1811 | |
075d7359 SC |
1812 | break; |
1813 | ||
1814 | case lang_object_symbols_statement_enum: | |
1815 | case lang_output_statement_enum: | |
1816 | case lang_target_statement_enum: | |
1418c83b | 1817 | #if 0 |
075d7359 | 1818 | case lang_common_statement_enum: |
1418c83b | 1819 | #endif |
2fa0b342 | 1820 | break; |
075d7359 SC |
1821 | case lang_data_statement_enum: |
1822 | { | |
1823 | etree_value_type value; | |
1824 | ||
1825 | value = exp_fold_tree (s->data_statement.exp, | |
1826 | abs_output_section, | |
1827 | lang_final_phase_enum, dot, &dot); | |
1828 | s->data_statement.value = value.value; | |
1829 | if (value.valid == false) | |
1830 | einfo ("%F%P: Invalid data statement\n"); | |
1831 | } | |
1832 | switch (s->data_statement.type) | |
1833 | { | |
1834 | case LONG: | |
1835 | dot += LONG_SIZE; | |
1836 | break; | |
1837 | case SHORT: | |
1838 | dot += SHORT_SIZE; | |
1839 | break; | |
1840 | case BYTE: | |
1841 | dot += BYTE_SIZE; | |
1842 | break; | |
1843 | } | |
2fa0b342 | 1844 | break; |
075d7359 SC |
1845 | case lang_input_section_enum: |
1846 | { | |
1847 | asection *in = s->input_section.section; | |
1848 | ||
1849 | dot += bfd_get_section_size_before_reloc (in); | |
1850 | } | |
2fa0b342 | 1851 | break; |
2fa0b342 | 1852 | |
075d7359 SC |
1853 | case lang_input_statement_enum: |
1854 | break; | |
1855 | case lang_fill_statement_enum: | |
1856 | fill = s->fill_statement.fill; | |
1857 | break; | |
1858 | case lang_assignment_statement_enum: | |
1859 | { | |
1860 | exp_fold_tree (s->assignment_statement.exp, | |
1861 | output_section_statement, | |
1862 | lang_final_phase_enum, | |
1863 | dot, | |
1864 | &dot); | |
1865 | } | |
1866 | ||
1867 | break; | |
1868 | case lang_padding_statement_enum: | |
1869 | dot += s->padding_statement.size; | |
1870 | break; | |
1871 | default: | |
1872 | FAIL (); | |
1873 | break; | |
1874 | case lang_address_statement_enum: | |
1875 | break; | |
1876 | } | |
2fa0b342 DHW |
1877 | |
1878 | } | |
1879 | return dot; | |
1880 | } | |
1881 | ||
1882 | ||
1883 | ||
075d7359 SC |
1884 | static void |
1885 | DEFUN_VOID (lang_relocate_globals) | |
1886 | { | |
2fa0b342 DHW |
1887 | |
1888 | /* | |
1418c83b SC |
1889 | Each ldsym_type maintains a chain of pointers to asymbols which |
1890 | references the definition. Replace each pointer to the referenence | |
1891 | with a pointer to only one place, preferably the definition. If | |
1892 | the defintion isn't available then the common symbol, and if | |
1893 | there isn't one of them then choose one reference. | |
1894 | */ | |
2fa0b342 | 1895 | |
075d7359 SC |
1896 | FOR_EACH_LDSYM (lgs) |
1897 | { | |
2fa0b342 | 1898 | asymbol *it; |
2fa0b342 | 1899 | |
075d7359 SC |
1900 | if (lgs->sdefs_chain) |
1901 | { | |
1902 | it = *(lgs->sdefs_chain); | |
1903 | } | |
1904 | else if (lgs->scoms_chain != (asymbol **) NULL) | |
1905 | { | |
1906 | it = *(lgs->scoms_chain); | |
1907 | } | |
1908 | else if (lgs->srefs_chain != (asymbol **) NULL) | |
1909 | { | |
1910 | it = *(lgs->srefs_chain); | |
1911 | } | |
1912 | else | |
1913 | { | |
1914 | /* This can happen when the command line asked for a symbol to | |
1915 | be -u */ | |
1916 | it = (asymbol *) NULL; | |
1917 | } | |
1918 | if (it != (asymbol *) NULL) | |
1919 | { | |
29f33467 | 1920 | asymbol **prev = 0; |
075d7359 SC |
1921 | asymbol **ptr = lgs->srefs_chain;; |
1922 | if (lgs->flags & SYM_WARNING) | |
1923 | { | |
1924 | produce_warnings (lgs, it); | |
1925 | } | |
1926 | ||
29f33467 SC |
1927 | while (ptr != (asymbol **) NULL |
1928 | && ptr != prev) | |
075d7359 | 1929 | { |
1418c83b | 1930 | asymbol *ref = *ptr; |
29f33467 | 1931 | prev = ptr; |
1418c83b | 1932 | *ptr = it; |
075d7359 | 1933 | ptr = (asymbol **) (ref->udata); |
1418c83b | 1934 | } |
075d7359 | 1935 | } |
2fa0b342 DHW |
1936 | } |
1937 | } | |
1938 | ||
1939 | ||
1940 | ||
2fa0b342 | 1941 | static void |
075d7359 | 1942 | DEFUN_VOID (lang_finish) |
2fa0b342 DHW |
1943 | { |
1944 | ldsym_type *lgs; | |
81150d34 | 1945 | int warn = config.relocateable_output != true; |
075d7359 | 1946 | if (entry_symbol == (char *) NULL) |
22a78f0d SC |
1947 | { |
1948 | /* No entry has been specified, look for start, but don't warn */ | |
1949 | entry_symbol = "start"; | |
1950 | warn =0; | |
1951 | } | |
075d7359 SC |
1952 | lgs = ldsym_get_soft (entry_symbol); |
1953 | if (lgs && lgs->sdefs_chain) | |
22a78f0d SC |
1954 | { |
1955 | asymbol *sy = *(lgs->sdefs_chain); | |
075d7359 | 1956 | |
22a78f0d SC |
1957 | /* We can set the entry address*/ |
1958 | bfd_set_start_address (output_bfd, | |
1959 | outside_symbol_address (sy)); | |
2fa0b342 | 1960 | |
22a78f0d | 1961 | } |
075d7359 | 1962 | else |
22a78f0d SC |
1963 | { |
1964 | /* Can't find anything reasonable, | |
1965 | use the first address in the text section | |
1966 | */ | |
1967 | asection *ts = bfd_get_section_by_name (output_bfd, ".text"); | |
1968 | if (ts) | |
075d7359 | 1969 | { |
22a78f0d SC |
1970 | if (warn) |
1971 | einfo ("%P: Warning, can't find entry symbol %s, defaulting to %V\n", | |
1972 | entry_symbol, ts->vma); | |
075d7359 | 1973 | |
22a78f0d | 1974 | bfd_set_start_address (output_bfd, ts->vma); |
075d7359 | 1975 | } |
22a78f0d SC |
1976 | else |
1977 | { | |
1978 | if (warn) | |
1979 | einfo ("%P: Warning, can't find entry symbol %s, not setting start address\n", | |
1980 | entry_symbol); | |
1981 | } | |
1982 | } | |
2fa0b342 DHW |
1983 | } |
1984 | ||
1985 | /* By now we know the target architecture, and we may have an */ | |
1986 | /* ldfile_output_machine_name */ | |
1987 | static void | |
075d7359 | 1988 | DEFUN_VOID (lang_check) |
2fa0b342 DHW |
1989 | { |
1990 | lang_statement_union_type *file; | |
075d7359 SC |
1991 | bfd *input_bfd; |
1992 | unsigned long input_machine; | |
1993 | enum bfd_architecture input_architecture; | |
1994 | CONST bfd_arch_info_type *compatible; | |
7bc4a0d7 | 1995 | |
2fa0b342 | 1996 | for (file = file_chain.head; |
075d7359 SC |
1997 | file != (lang_statement_union_type *) NULL; |
1998 | file = file->input_statement.next) | |
1999 | { | |
075d7359 | 2000 | input_bfd = file->input_statement.the_bfd; |
7bc4a0d7 | 2001 | |
075d7359 SC |
2002 | input_machine = bfd_get_mach (input_bfd); |
2003 | input_architecture = bfd_get_arch (input_bfd); | |
7bc4a0d7 | 2004 | |
7bc4a0d7 | 2005 | |
075d7359 SC |
2006 | /* Inspect the architecture and ensure we're linking like with |
2007 | like */ | |
7bc4a0d7 | 2008 | |
075d7359 SC |
2009 | compatible = bfd_arch_get_compatible (input_bfd, |
2010 | output_bfd); | |
22a78f0d | 2011 | |
075d7359 SC |
2012 | if (compatible) |
2013 | { | |
2014 | ldfile_output_machine = compatible->mach; | |
2015 | ldfile_output_architecture = compatible->arch; | |
2016 | } | |
2017 | else | |
2018 | { | |
7bc4a0d7 | 2019 | |
075d7359 SC |
2020 | info ("%P: warning, %s architecture of input file `%B' incompatible with %s output\n", |
2021 | bfd_printable_name (input_bfd), input_bfd, | |
2022 | bfd_printable_name (output_bfd)); | |
7bc4a0d7 | 2023 | |
075d7359 | 2024 | bfd_set_arch_mach (output_bfd, |
22a78f0d SC |
2025 | input_architecture, |
2026 | input_machine); | |
075d7359 | 2027 | } |
2fa0b342 | 2028 | |
075d7359 SC |
2029 | } |
2030 | } | |
2fa0b342 DHW |
2031 | |
2032 | /* | |
075d7359 SC |
2033 | * run through all the global common symbols and tie them |
2034 | * to the output section requested. | |
b6316534 SC |
2035 | * |
2036 | As an experiment we do this 4 times, once for all the byte sizes, | |
2037 | then all the two bytes, all the four bytes and then everything else | |
2038 | */ | |
2fa0b342 DHW |
2039 | |
2040 | static void | |
075d7359 | 2041 | DEFUN_VOID (lang_common) |
2fa0b342 DHW |
2042 | { |
2043 | ldsym_type *lgs; | |
b6316534 | 2044 | size_t power; |
075d7359 | 2045 | |
2fa0b342 | 2046 | if (config.relocateable_output == false || |
075d7359 SC |
2047 | command_line.force_common_definition == true) |
2048 | { | |
2049 | for (power = 1; (config.sort_common == true && power == 1) || (power <= 16); power <<= 1) | |
1418c83b | 2050 | { |
075d7359 SC |
2051 | for (lgs = symbol_head; |
2052 | lgs != (ldsym_type *) NULL; | |
2053 | lgs = lgs->next) | |
2054 | { | |
2055 | asymbol *com; | |
2056 | unsigned int power_of_two; | |
2057 | size_t size; | |
2058 | size_t align; | |
1418c83b | 2059 | |
075d7359 | 2060 | if (lgs->scoms_chain != (asymbol **) NULL) |
1418c83b | 2061 | { |
075d7359 SC |
2062 | com = *(lgs->scoms_chain); |
2063 | size = com->value; | |
2064 | switch (size) | |
2065 | { | |
2066 | case 0: | |
2067 | case 1: | |
2068 | align = 1; | |
2069 | power_of_two = 0; | |
2070 | break; | |
2071 | case 2: | |
2072 | power_of_two = 1; | |
2073 | align = 2; | |
2074 | break; | |
2075 | case 3: | |
2076 | case 4: | |
2077 | power_of_two = 2; | |
2078 | align = 4; | |
2079 | break; | |
2080 | case 5: | |
2081 | case 6: | |
2082 | case 7: | |
2083 | case 8: | |
2084 | power_of_two = 3; | |
2085 | align = 8; | |
2086 | break; | |
2087 | default: | |
2088 | power_of_two = 4; | |
2089 | align = 16; | |
2090 | break; | |
2091 | } | |
2092 | if (config.sort_common == false || align == power) | |
2093 | { | |
29f33467 SC |
2094 | bfd *symbfd; |
2095 | ||
075d7359 SC |
2096 | /* Change from a common symbol into a definition of |
2097 | a symbol */ | |
2098 | lgs->sdefs_chain = lgs->scoms_chain; | |
2099 | lgs->scoms_chain = (asymbol **) NULL; | |
2100 | commons_pending--; | |
29f33467 | 2101 | |
075d7359 | 2102 | /* Point to the correct common section */ |
29f33467 SC |
2103 | symbfd = bfd_asymbol_bfd (com); |
2104 | if (com->section == &bfd_com_section) | |
2105 | com->section = | |
2106 | ((lang_input_statement_type *) symbfd->usrdata) | |
2107 | ->common_section; | |
2108 | else | |
2109 | { | |
2110 | CONST char *name; | |
2111 | asection *newsec; | |
2112 | ||
2113 | name = bfd_get_section_name (symbfd, | |
2114 | com->section); | |
2115 | newsec = bfd_get_section_by_name (symbfd, | |
2116 | name); | |
2117 | /* BFD backend must provide this section. */ | |
2118 | if (newsec == (asection *) NULL) | |
2119 | einfo ("%P%F: No output section %s", name); | |
2120 | com->section = newsec; | |
2121 | } | |
2122 | ||
075d7359 SC |
2123 | /* Fix the size of the common section */ |
2124 | ||
2125 | com->section->_raw_size = | |
2126 | ALIGN (com->section->_raw_size, align); | |
2127 | ||
2128 | /* Remember if this is the biggest alignment ever seen */ | |
2129 | if (power_of_two > com->section->alignment_power) | |
2130 | { | |
2131 | com->section->alignment_power = power_of_two; | |
2132 | } | |
2133 | ||
2134 | /* Symbol stops being common and starts being global, but | |
2135 | we remember that it was common once. */ | |
2136 | ||
2137 | com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON; | |
2138 | com->value = com->section->_raw_size; | |
2139 | ||
29f33467 | 2140 | if (write_map && config.map_file) |
075d7359 SC |
2141 | { |
2142 | fprintf (config.map_file, "Allocating common %s: %x at %x %s\n", | |
2143 | lgs->name, | |
2144 | (unsigned) size, | |
2145 | (unsigned) com->value, | |
29f33467 | 2146 | bfd_asymbol_bfd(com)->filename); |
075d7359 SC |
2147 | } |
2148 | ||
2149 | com->section->_raw_size += size; | |
2150 | ||
2151 | } | |
1418c83b | 2152 | } |
097879bc | 2153 | |
b6316534 | 2154 | } |
2fa0b342 | 2155 | } |
b6316534 | 2156 | } |
1418c83b SC |
2157 | |
2158 | ||
2fa0b342 DHW |
2159 | } |
2160 | ||
2161 | /* | |
075d7359 | 2162 | run through the input files and ensure that every input |
2fa0b342 DHW |
2163 | section has somewhere to go. If one is found without |
2164 | a destination then create an input request and place it | |
2165 | into the statement tree. | |
2166 | */ | |
2167 | ||
075d7359 SC |
2168 | static void |
2169 | DEFUN_VOID (lang_place_orphans) | |
2fa0b342 DHW |
2170 | { |
2171 | lang_input_statement_type *file; | |
1418c83b | 2172 | |
075d7359 SC |
2173 | for (file = (lang_input_statement_type *) file_chain.head; |
2174 | file != (lang_input_statement_type *) NULL; | |
2175 | file = (lang_input_statement_type *) file->next) | |
2176 | { | |
2177 | asection *s; | |
2178 | ||
2179 | for (s = file->the_bfd->sections; | |
2180 | s != (asection *) NULL; | |
2181 | s = s->next) | |
2182 | { | |
2183 | if (s->output_section == (asection *) NULL) | |
2184 | { | |
2185 | /* This section of the file is not attatched, root | |
2186 | around for a sensible place for it to go */ | |
2187 | ||
2188 | if (file->common_section == s) | |
2189 | { | |
2190 | /* This is a lonely common section which must | |
2191 | have come from an archive. We attatch to the | |
2192 | section with the wildcard */ | |
2193 | if (config.relocateable_output != true | |
2194 | && command_line.force_common_definition == false) | |
2195 | { | |
2196 | if (default_common_section == | |
2197 | (lang_output_section_statement_type *) NULL) | |
2198 | { | |
2199 | info ("%P: No [COMMON] command, defaulting to .bss\n"); | |
2200 | ||
2201 | default_common_section = | |
2202 | lang_output_section_statement_lookup (".bss"); | |
2203 | ||
2204 | } | |
2205 | wild_doit (&default_common_section->children, s, | |
2206 | default_common_section, file); | |
2207 | } | |
2208 | } | |
2209 | else | |
2210 | { | |
2211 | lang_output_section_statement_type *os = | |
2212 | lang_output_section_statement_lookup (s->name); | |
2fa0b342 | 2213 | |
075d7359 SC |
2214 | wild_doit (&os->children, s, os, file); |
2215 | } | |
2216 | } | |
2fa0b342 | 2217 | } |
2fa0b342 | 2218 | } |
2fa0b342 DHW |
2219 | } |
2220 | ||
2221 | ||
2fa0b342 | 2222 | void |
075d7359 SC |
2223 | DEFUN (lang_set_flags, (ptr, flags), |
2224 | int *ptr AND | |
2225 | CONST char *flags) | |
2fa0b342 | 2226 | { |
075d7359 SC |
2227 | boolean state = false; |
2228 | ||
2229 | *ptr = 0; | |
2fa0b342 | 2230 | while (*flags) |
075d7359 SC |
2231 | { |
2232 | if (*flags == '!') | |
2233 | { | |
2234 | state = false; | |
2235 | flags++; | |
2236 | } | |
2237 | else | |
2238 | state = true; | |
2239 | switch (*flags) | |
2240 | { | |
2241 | case 'R': | |
2242 | /* ptr->flag_read = state; */ | |
2243 | break; | |
2244 | case 'W': | |
2245 | /* ptr->flag_write = state; */ | |
2246 | break; | |
2247 | case 'X': | |
2248 | /* ptr->flag_executable= state;*/ | |
2249 | break; | |
2250 | case 'L': | |
2251 | case 'I': | |
2252 | /* ptr->flag_loadable= state;*/ | |
2253 | break; | |
2254 | default: | |
2255 | einfo ("%P%F illegal syntax in flags\n"); | |
2256 | break; | |
2257 | } | |
dc4726c2 SC |
2258 | flags++; |
2259 | } | |
2fa0b342 DHW |
2260 | } |
2261 | ||
2262 | ||
2263 | ||
2264 | void | |
075d7359 | 2265 | DEFUN (lang_for_each_file, (func), |
e20873a7 | 2266 | void (*func) PARAMS ((lang_input_statement_type *))) |
2fa0b342 DHW |
2267 | { |
2268 | lang_input_statement_type *f; | |
075d7359 SC |
2269 | |
2270 | for (f = (lang_input_statement_type *) file_chain.head; | |
2271 | f != (lang_input_statement_type *) NULL; | |
2272 | f = (lang_input_statement_type *) f->next) | |
2273 | { | |
2274 | func (f); | |
2275 | } | |
2fa0b342 DHW |
2276 | } |
2277 | ||
2278 | ||
2279 | void | |
075d7359 | 2280 | DEFUN (lang_for_each_input_section, (func), |
e20873a7 | 2281 | void (*func) PARAMS ((bfd * ab, asection * as))) |
2fa0b342 DHW |
2282 | { |
2283 | lang_input_statement_type *f; | |
075d7359 SC |
2284 | |
2285 | for (f = (lang_input_statement_type *) file_chain.head; | |
2286 | f != (lang_input_statement_type *) NULL; | |
2287 | f = (lang_input_statement_type *) f->next) | |
2fa0b342 DHW |
2288 | { |
2289 | asection *s; | |
075d7359 | 2290 | |
2fa0b342 | 2291 | for (s = f->the_bfd->sections; |
075d7359 SC |
2292 | s != (asection *) NULL; |
2293 | s = s->next) | |
2294 | { | |
2295 | func (f->the_bfd, s); | |
2296 | } | |
2fa0b342 DHW |
2297 | } |
2298 | } | |
2299 | ||
2300 | ||
2301 | ||
075d7359 SC |
2302 | void |
2303 | DEFUN (ldlang_add_file, (entry), | |
2304 | lang_input_statement_type * entry) | |
2fa0b342 | 2305 | { |
1418c83b | 2306 | |
075d7359 SC |
2307 | lang_statement_append (&file_chain, |
2308 | (lang_statement_union_type *) entry, | |
2309 | &entry->next); | |
2fa0b342 DHW |
2310 | } |
2311 | ||
2fa0b342 | 2312 | void |
075d7359 SC |
2313 | DEFUN (lang_add_output, (name), |
2314 | CONST char *name) | |
2fa0b342 | 2315 | { |
075d7359 SC |
2316 | lang_output_statement_type *new = new_stat (lang_output_statement, |
2317 | stat_ptr); | |
2318 | ||
2fa0b342 DHW |
2319 | new->name = name; |
2320 | had_output_filename = true; | |
2321 | } | |
2322 | ||
2323 | ||
2324 | static lang_output_section_statement_type *current_section; | |
2325 | ||
e20873a7 JG |
2326 | static int topower(x) |
2327 | int x; | |
2328 | { | |
2329 | unsigned int i = 1; | |
2330 | int l; | |
2331 | if (x < 0) return -1; | |
2332 | for (l = 0; l < 32; l++) | |
2333 | { | |
2334 | if (i >= x) return l; | |
2335 | i<<=1; | |
2336 | } | |
29f33467 | 2337 | return 0; |
e20873a7 | 2338 | } |
2fa0b342 | 2339 | void |
075d7359 SC |
2340 | DEFUN (lang_enter_output_section_statement, |
2341 | (output_section_statement_name, | |
2342 | address_exp, | |
2343 | flags, | |
e20873a7 | 2344 | block_value, |
9fce28ed | 2345 | align, subalign, base), |
075d7359 SC |
2346 | char *output_section_statement_name AND |
2347 | etree_type * address_exp AND | |
2348 | int flags AND | |
e20873a7 JG |
2349 | bfd_vma block_value AND |
2350 | etree_type *align AND | |
9fce28ed SC |
2351 | etree_type *subalign AND |
2352 | etree_type *base) | |
2fa0b342 DHW |
2353 | { |
2354 | lang_output_section_statement_type *os; | |
075d7359 SC |
2355 | |
2356 | current_section = | |
e20873a7 | 2357 | os = |
075d7359 SC |
2358 | lang_output_section_statement_lookup (output_section_statement_name); |
2359 | ||
2360 | ||
2fa0b342 | 2361 | |
2fa0b342 DHW |
2362 | /* Add this statement to tree */ |
2363 | /* add_statement(lang_output_section_statement_enum, | |
2364 | output_section_statement);*/ | |
2365 | /* Make next things chain into subchain of this */ | |
2366 | ||
2367 | if (os->addr_tree == | |
075d7359 | 2368 | (etree_type *) NULL) |
e20873a7 JG |
2369 | { |
2370 | os->addr_tree = | |
2371 | address_exp; | |
2372 | } | |
7bc4a0d7 | 2373 | os->flags = flags; |
ae475b39 SC |
2374 | if (flags & SEC_NEVER_LOAD) |
2375 | os->loadable = 0; | |
2376 | else | |
2377 | os->loadable = 1; | |
29f33467 | 2378 | os->block_value = block_value ? block_value : 1; |
075d7359 | 2379 | stat_ptr = &os->children; |
2fa0b342 | 2380 | |
e20873a7 JG |
2381 | os->subsection_alignment = topower( |
2382 | exp_get_value_int(subalign, -1, | |
2383 | "subsection alignment", | |
2384 | 0)); | |
2385 | os->section_alignment = topower( | |
2386 | exp_get_value_int(align, -1, | |
2387 | "section alignment", 0)); | |
9fce28ed SC |
2388 | |
2389 | os->load_base = base; | |
2fa0b342 DHW |
2390 | } |
2391 | ||
9fce28ed | 2392 | |
075d7359 SC |
2393 | void |
2394 | DEFUN_VOID (lang_final) | |
2fa0b342 | 2395 | { |
075d7359 SC |
2396 | if (had_output_filename == false) |
2397 | { | |
2398 | extern CONST char *output_filename; | |
2fa0b342 | 2399 | |
075d7359 SC |
2400 | lang_add_output (output_filename); |
2401 | } | |
2402 | } | |
2fa0b342 | 2403 | |
c611e285 SC |
2404 | /* Reset the current counters in the regions */ |
2405 | static void | |
075d7359 | 2406 | DEFUN_VOID (reset_memory_regions) |
c611e285 | 2407 | { |
075d7359 SC |
2408 | lang_memory_region_type *p = lang_memory_region_list; |
2409 | ||
c611e285 | 2410 | for (p = lang_memory_region_list; |
075d7359 SC |
2411 | p != (lang_memory_region_type *) NULL; |
2412 | p = p->next) | |
2413 | { | |
ae475b39 | 2414 | p->old_length = p->current - p->origin; |
075d7359 SC |
2415 | p->current = p->origin; |
2416 | } | |
c611e285 | 2417 | } |
2fa0b342 DHW |
2418 | |
2419 | ||
ae475b39 | 2420 | |
1418c83b | 2421 | asymbol * |
075d7359 SC |
2422 | DEFUN (create_symbol, (name, flags, section), |
2423 | CONST char *name AND | |
2424 | flagword flags AND | |
2425 | asection * section) | |
2fa0b342 DHW |
2426 | { |
2427 | extern lang_input_statement_type *script_file; | |
075d7359 SC |
2428 | asymbol **def_ptr = (asymbol **) stat_alloc ((bfd_size_type) (sizeof (asymbol **))); |
2429 | ||
2fa0b342 | 2430 | /* Add this definition to script file */ |
075d7359 | 2431 | asymbol *def = (asymbol *) bfd_make_empty_symbol (script_file->the_bfd); |
075d7359 | 2432 | def->name = buystring (name); |
2fa0b342 DHW |
2433 | def->udata = 0; |
2434 | def->flags = flags; | |
2435 | def->section = section; | |
2fa0b342 | 2436 | *def_ptr = def; |
075d7359 | 2437 | Q_enter_global_ref (def_ptr, name); |
2fa0b342 DHW |
2438 | return def; |
2439 | } | |
2440 | ||
2fa0b342 | 2441 | void |
075d7359 SC |
2442 | DEFUN_VOID (lang_process) |
2443 | { | |
9d1fe8a4 | 2444 | |
075d7359 SC |
2445 | if (had_script == false) |
2446 | { | |
2447 | parse_line (ldemul_get_script (), 1); | |
c611e285 | 2448 | } |
075d7359 | 2449 | lang_reasonable_defaults (); |
1418c83b SC |
2450 | current_target = default_target; |
2451 | ||
075d7359 | 2452 | lang_for_each_statement (ldlang_open_output); /* Open the output file */ |
1418c83b SC |
2453 | /* For each output section statement, create a section in the output |
2454 | file */ | |
075d7359 | 2455 | lang_create_output_section_statements (); |
1418c83b SC |
2456 | |
2457 | /* Create a dummy bfd for the script */ | |
075d7359 | 2458 | lang_init_script_file (); |
1418c83b SC |
2459 | |
2460 | /* Add to the hash table all undefineds on the command line */ | |
075d7359 | 2461 | lang_place_undefineds (); |
1418c83b SC |
2462 | |
2463 | /* Create a bfd for each input file */ | |
2464 | current_target = default_target; | |
075d7359 | 2465 | lang_for_each_statement (open_input_bfds); |
1418c83b | 2466 | |
1418c83b | 2467 | /* Run through the contours of the script and attatch input sections |
075d7359 | 2468 | to the correct output sections |
1418c83b | 2469 | */ |
075d7359 SC |
2470 | find_constructors (); |
2471 | map_input_to_output_sections (statement_list.head, (char *) NULL, | |
2472 | (lang_output_section_statement_type *) NULL); | |
1418c83b | 2473 | |
81016051 | 2474 | |
1418c83b | 2475 | /* Find any sections not attatched explicitly and handle them */ |
075d7359 | 2476 | lang_place_orphans (); |
1418c83b SC |
2477 | |
2478 | /* Size up the common data */ | |
075d7359 | 2479 | lang_common (); |
1418c83b | 2480 | |
075d7359 | 2481 | ldemul_before_allocation (); |
1418c83b | 2482 | |
c611e285 | 2483 | |
ae475b39 SC |
2484 | #if 0 |
2485 | had_relax = true; | |
2486 | while (had_relax) | |
2487 | { | |
2488 | ||
2489 | had_relax = false; | |
c611e285 | 2490 | |
ae475b39 SC |
2491 | lang_size_sections (statement_list.head, |
2492 | (lang_output_section_statement_type *) NULL, | |
2493 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
2494 | /* FIXME. Until the code in relax is fixed so that it only reads in | |
2495 | stuff once, we cant iterate since there is no way for the linker to | |
2496 | know what has been patched and what hasn't */ | |
2497 | break; | |
2498 | ||
2499 | } | |
2500 | #endif | |
c611e285 | 2501 | |
c611e285 | 2502 | /* Now run around and relax if we can */ |
075d7359 | 2503 | if (command_line.relax) |
c611e285 | 2504 | { |
ae475b39 SC |
2505 | /* First time round is a trial run to get the 'worst case' addresses of the |
2506 | objects if there was no relaxing */ | |
2507 | lang_size_sections (statement_list.head, | |
2508 | (lang_output_section_statement_type *) NULL, | |
2509 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
c611e285 | 2510 | |
075d7359 | 2511 | |
075d7359 | 2512 | |
ae475b39 SC |
2513 | /* Move the global symbols around so the second pass of relaxing can |
2514 | see them */ | |
2515 | lang_relocate_globals (); | |
075d7359 | 2516 | |
ae475b39 | 2517 | reset_memory_regions (); |
075d7359 | 2518 | |
ae475b39 SC |
2519 | /* Do all the assignments, now that we know the final restingplaces |
2520 | of all the symbols */ | |
2521 | ||
2522 | lang_do_assignments (statement_list.head, | |
2523 | abs_output_section, | |
2524 | 0, (bfd_vma) 0); | |
2525 | ||
2526 | ||
2527 | /* Perform another relax pass - this time we know where the | |
2528 | globals are, so can make better guess */ | |
2529 | lang_size_sections (statement_list.head, | |
2530 | (lang_output_section_statement_type *) NULL, | |
2531 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
075d7359 SC |
2532 | |
2533 | ||
2534 | ||
ae475b39 SC |
2535 | } |
2536 | ||
2537 | else | |
2538 | { | |
2539 | /* Size up the sections */ | |
2540 | lang_size_sections (statement_list.head, | |
2541 | abs_output_section, | |
2542 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
075d7359 SC |
2543 | |
2544 | } | |
c611e285 | 2545 | |
1418c83b SC |
2546 | |
2547 | /* See if anything special should be done now we know how big | |
2548 | everything is */ | |
075d7359 | 2549 | ldemul_after_allocation (); |
1418c83b SC |
2550 | |
2551 | /* Do all the assignments, now that we know the final restingplaces | |
2552 | of all the symbols */ | |
2553 | ||
075d7359 SC |
2554 | lang_do_assignments (statement_list.head, |
2555 | abs_output_section, | |
2556 | 0, (bfd_vma) 0); | |
1418c83b | 2557 | |
c611e285 | 2558 | |
ffc50032 | 2559 | /* Move the global symbols around */ |
075d7359 | 2560 | lang_relocate_globals (); |
ffc50032 | 2561 | |
1418c83b SC |
2562 | /* Make sure that we're not mixing architectures */ |
2563 | ||
075d7359 | 2564 | lang_check (); |
1418c83b | 2565 | |
1418c83b | 2566 | /* Final stuffs */ |
075d7359 | 2567 | lang_finish (); |
2fa0b342 DHW |
2568 | } |
2569 | ||
2fa0b342 | 2570 | /* EXPORTED TO YACC */ |
1418c83b | 2571 | |
2fa0b342 | 2572 | void |
075d7359 SC |
2573 | DEFUN (lang_add_wild, (section_name, filename), |
2574 | CONST char *CONST section_name AND | |
2575 | CONST char *CONST filename) | |
1418c83b | 2576 | { |
075d7359 SC |
2577 | lang_wild_statement_type *new = new_stat (lang_wild_statement, |
2578 | stat_ptr); | |
1418c83b | 2579 | |
075d7359 SC |
2580 | if (section_name != (char *) NULL && strcmp (section_name, "COMMON") == 0) |
2581 | { | |
2582 | placed_commons = true; | |
2583 | } | |
2584 | if (filename != (char *) NULL) | |
2585 | { | |
2586 | lang_has_input_file = true; | |
2587 | } | |
1418c83b SC |
2588 | new->section_name = section_name; |
2589 | new->filename = filename; | |
075d7359 | 2590 | lang_list_init (&new->children); |
1418c83b | 2591 | } |
075d7359 | 2592 | |
1418c83b | 2593 | void |
075d7359 SC |
2594 | DEFUN (lang_section_start, (name, address), |
2595 | CONST char *name AND | |
2596 | etree_type * address) | |
2fa0b342 | 2597 | { |
075d7359 SC |
2598 | lang_address_statement_type *ad = new_stat (lang_address_statement, stat_ptr); |
2599 | ||
2fa0b342 DHW |
2600 | ad->section_name = name; |
2601 | ad->address = address; | |
2602 | } | |
1418c83b | 2603 | |
075d7359 SC |
2604 | void |
2605 | DEFUN (lang_add_entry, (name), | |
2606 | CONST char *name) | |
2fa0b342 DHW |
2607 | { |
2608 | entry_symbol = name; | |
2609 | } | |
2610 | ||
2611 | void | |
075d7359 SC |
2612 | DEFUN (lang_add_target, (name), |
2613 | CONST char *name) | |
2fa0b342 | 2614 | { |
075d7359 SC |
2615 | lang_target_statement_type *new = new_stat (lang_target_statement, |
2616 | stat_ptr); | |
2617 | ||
2fa0b342 DHW |
2618 | new->target = name; |
2619 | ||
2620 | } | |
2fa0b342 | 2621 | |
2fa0b342 | 2622 | void |
075d7359 SC |
2623 | DEFUN (lang_add_map, (name), |
2624 | CONST char *name) | |
2fa0b342 | 2625 | { |
075d7359 SC |
2626 | while (*name) |
2627 | { | |
2628 | switch (*name) | |
2629 | { | |
2630 | case 'F': | |
2631 | map_option_f = true; | |
2632 | break; | |
2633 | } | |
2634 | name++; | |
2fa0b342 | 2635 | } |
2fa0b342 DHW |
2636 | } |
2637 | ||
075d7359 SC |
2638 | void |
2639 | DEFUN (lang_add_fill, (exp), | |
2640 | int exp) | |
2fa0b342 | 2641 | { |
075d7359 SC |
2642 | lang_fill_statement_type *new = new_stat (lang_fill_statement, |
2643 | stat_ptr); | |
2644 | ||
2fa0b342 DHW |
2645 | new->fill = exp; |
2646 | } | |
2647 | ||
075d7359 SC |
2648 | void |
2649 | DEFUN (lang_add_data, (type, exp), | |
2650 | int type AND | |
2651 | union etree_union *exp) | |
2fa0b342 DHW |
2652 | { |
2653 | ||
075d7359 | 2654 | lang_data_statement_type *new = new_stat (lang_data_statement, |
2fa0b342 | 2655 | stat_ptr); |
075d7359 SC |
2656 | |
2657 | new->exp = exp; | |
2658 | new->type = type; | |
2fa0b342 DHW |
2659 | |
2660 | } | |
075d7359 | 2661 | |
2fa0b342 | 2662 | void |
075d7359 SC |
2663 | DEFUN (lang_add_assignment, (exp), |
2664 | etree_type * exp) | |
2fa0b342 | 2665 | { |
075d7359 SC |
2666 | lang_assignment_statement_type *new = new_stat (lang_assignment_statement, |
2667 | stat_ptr); | |
2668 | ||
2fa0b342 DHW |
2669 | new->exp = exp; |
2670 | } | |
2671 | ||
2672 | void | |
075d7359 SC |
2673 | DEFUN (lang_add_attribute, (attribute), |
2674 | enum statement_enum attribute) | |
2fa0b342 | 2675 | { |
075d7359 | 2676 | new_statement (attribute, sizeof (lang_statement_union_type), stat_ptr); |
2fa0b342 DHW |
2677 | } |
2678 | ||
075d7359 SC |
2679 | void |
2680 | DEFUN (lang_startup, (name), | |
2681 | CONST char *name) | |
2fa0b342 | 2682 | { |
075d7359 SC |
2683 | if (startup_file != (char *) NULL) |
2684 | { | |
2685 | einfo ("%P%FMultiple STARTUP files\n"); | |
2686 | } | |
2fa0b342 DHW |
2687 | first_file->filename = name; |
2688 | first_file->local_sym_name = name; | |
2689 | ||
075d7359 | 2690 | startup_file = name; |
2fa0b342 | 2691 | } |
075d7359 SC |
2692 | |
2693 | void | |
2694 | DEFUN (lang_float, (maybe), | |
2695 | boolean maybe) | |
2fa0b342 DHW |
2696 | { |
2697 | lang_float_flag = maybe; | |
2698 | } | |
2699 | ||
075d7359 SC |
2700 | void |
2701 | DEFUN (lang_leave_output_section_statement, (fill, memspec), | |
2702 | bfd_vma fill AND | |
2703 | CONST char *memspec) | |
2fa0b342 DHW |
2704 | { |
2705 | current_section->fill = fill; | |
075d7359 | 2706 | current_section->region = lang_memory_region_lookup (memspec); |
2fa0b342 | 2707 | stat_ptr = &statement_list; |
81016051 SC |
2708 | |
2709 | /* We remember if we are closing a .data section, since we use it to | |
2710 | store constructors in */ | |
075d7359 SC |
2711 | if (strcmp (current_section->name, ".data") == 0) |
2712 | { | |
2713 | end_of_data_section_statement_list = statement_list; | |
81016051 | 2714 | |
075d7359 | 2715 | } |
2fa0b342 | 2716 | } |
075d7359 | 2717 | |
9f32f7c2 SC |
2718 | /* |
2719 | Create an absolute symbol with the given name with the value of the | |
2720 | address of first byte of the section named. | |
2fa0b342 | 2721 | |
9f32f7c2 SC |
2722 | If the symbol already exists, then do nothing. |
2723 | */ | |
8cb5eb31 | 2724 | void |
075d7359 SC |
2725 | DEFUN (lang_abs_symbol_at_beginning_of, (section, name), |
2726 | CONST char *section AND | |
2727 | CONST char *name) | |
2728 | { | |
2729 | if (ldsym_undefined (name)) | |
2730 | { | |
2731 | asection *s = bfd_get_section_by_name (output_bfd, section); | |
2732 | asymbol *def = create_symbol (name, | |
2733 | BSF_GLOBAL | BSF_EXPORT, | |
2734 | &bfd_abs_section); | |
2735 | ||
2736 | if (s != (asection *) NULL) | |
2737 | { | |
2738 | def->value = s->vma; | |
2739 | } | |
2740 | else | |
2741 | { | |
2742 | def->value = 0; | |
2743 | } | |
9f32f7c2 | 2744 | } |
8cb5eb31 SC |
2745 | } |
2746 | ||
9f32f7c2 SC |
2747 | /* |
2748 | Create an absolute symbol with the given name with the value of the | |
2749 | address of the first byte after the end of the section named. | |
2750 | ||
2751 | If the symbol already exists, then do nothing. | |
2752 | */ | |
2fa0b342 | 2753 | void |
075d7359 SC |
2754 | DEFUN (lang_abs_symbol_at_end_of, (section, name), |
2755 | CONST char *section AND | |
2756 | CONST char *name) | |
2757 | { | |
2758 | if (ldsym_undefined (name)) | |
2759 | { | |
2760 | asection *s = bfd_get_section_by_name (output_bfd, section); | |
2761 | ||
2762 | /* Add a symbol called _end */ | |
2763 | asymbol *def = create_symbol (name, | |
2764 | BSF_GLOBAL | BSF_EXPORT, | |
2765 | &bfd_abs_section); | |
2766 | ||
2767 | if (s != (asection *) NULL) | |
2768 | { | |
2769 | def->value = s->vma + s->_raw_size; | |
2770 | } | |
2771 | else | |
2772 | { | |
2773 | def->value = 0; | |
2774 | } | |
9f32f7c2 | 2775 | } |
2fa0b342 DHW |
2776 | } |
2777 | ||
075d7359 SC |
2778 | void |
2779 | DEFUN (lang_statement_append, (list, element, field), | |
2780 | lang_statement_list_type * list AND | |
2781 | lang_statement_union_type * element AND | |
2782 | lang_statement_union_type ** field) | |
2fa0b342 DHW |
2783 | { |
2784 | *(list->tail) = element; | |
2785 | list->tail = field; | |
2786 | } | |
2787 | ||
097879bc SC |
2788 | /* Set the output format type */ |
2789 | void | |
075d7359 SC |
2790 | DEFUN (lang_add_output_format, (format), |
2791 | CONST char *format) | |
097879bc SC |
2792 | { |
2793 | output_target = format; | |
2794 | } | |
9fce28ed | 2795 |