Commit | Line | Data |
---|---|---|
e20873a7 | 1 | /* Linker command language support. |
a4aeaacf | 2 | Copyright 1991, 1992, 1993 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" | |
b98bd3db | 35 | |
2fa0b342 | 36 | /* FORWARDS */ |
e20873a7 JG |
37 | static void print_statements PARAMS ((void)); |
38 | static void print_statement PARAMS ((lang_statement_union_type *, | |
075d7359 | 39 | lang_output_section_statement_type *)); |
5af8e9d6 KR |
40 | static lang_statement_union_type *new_statement PARAMS ((enum statement_enum, |
41 | size_t, | |
42 | lang_statement_list_type*)); | |
43 | ||
2fa0b342 | 44 | |
d4c02e29 | 45 | /* LOCALS */ |
bfbdc80f | 46 | static struct obstack stat_obstack; |
075d7359 | 47 | |
bfbdc80f SC |
48 | #define obstack_chunk_alloc ldmalloc |
49 | #define obstack_chunk_free free | |
075d7359 | 50 | static CONST char *startup_file; |
d4c02e29 | 51 | static lang_statement_list_type input_file_chain; |
81016051 SC |
52 | |
53 | /* Points to the last statement in the .data section, so we can add | |
54 | stuff to the data section without pain */ | |
55 | static lang_statement_list_type end_of_data_section_statement_list; | |
56 | ||
c611e285 SC |
57 | /* List of statements needed to handle constructors */ |
58 | extern lang_statement_list_type constructor_list; | |
81016051 | 59 | |
d4c02e29 SC |
60 | static boolean placed_commons = false; |
61 | static lang_output_section_statement_type *default_common_section; | |
62 | static boolean map_option_f; | |
63 | static bfd_vma print_dot; | |
64 | static lang_input_statement_type *first_file; | |
65 | static lang_statement_list_type lang_output_section_statement; | |
66 | static CONST char *current_target; | |
67 | static CONST char *output_target; | |
68 | static size_t longest_section_name = 8; | |
d4c02e29 SC |
69 | static section_userdata_type common_section_userdata; |
70 | static lang_statement_list_type statement_list; | |
ffc50032 | 71 | |
2fa0b342 | 72 | /* EXPORTS */ |
c611e285 | 73 | boolean relaxing; |
ffc50032 | 74 | lang_output_section_statement_type *abs_output_section; |
d4c02e29 SC |
75 | lang_statement_list_type *stat_ptr = &statement_list; |
76 | lang_input_statement_type *script_file = 0; | |
075d7359 SC |
77 | lang_statement_list_type file_chain = |
78 | {0}; | |
d4c02e29 | 79 | CONST char *entry_symbol = 0; |
3f8d46e7 | 80 | bfd_size_type largest_section = 0; |
d4c02e29 SC |
81 | boolean lang_has_input_file = false; |
82 | lang_output_section_statement_type *create_object_symbols = 0; | |
83 | boolean had_output_filename = false; | |
84 | boolean lang_float_flag = false; | |
97fbbaca | 85 | boolean delete_output_file_on_failure = false; |
075d7359 | 86 | |
d4c02e29 | 87 | /* IMPORTS */ |
075d7359 | 88 | extern char *default_target; |
2fa0b342 | 89 | |
2c6635a4 | 90 | extern CONST char *output_filename; |
d4c02e29 | 91 | extern char *current_file; |
2fa0b342 | 92 | extern bfd *output_bfd; |
2fa0b342 DHW |
93 | extern enum bfd_architecture ldfile_output_architecture; |
94 | extern unsigned long ldfile_output_machine; | |
95 | extern char *ldfile_output_machine_name; | |
2fa0b342 | 96 | extern ldsym_type *symbol_head; |
d4c02e29 | 97 | extern unsigned int commons_pending; |
2fa0b342 DHW |
98 | extern args_type command_line; |
99 | extern ld_config_type config; | |
2fa0b342 | 100 | extern boolean write_map; |
1b8a42f3 | 101 | extern int g_switch_value; |
2fa0b342 | 102 | |
9fce28ed SC |
103 | |
104 | etree_type *base; /* Relocation base - or null */ | |
105 | ||
106 | ||
2fa0b342 DHW |
107 | #ifdef __STDC__ |
108 | #define cat(a,b) a##b | |
109 | #else | |
110 | #define cat(a,b) a/**/b | |
111 | #endif | |
112 | ||
113 | #define new_stat(x,y) (cat(x,_type)*) new_statement(cat(x,_enum), sizeof(cat(x,_type)),y) | |
114 | ||
115 | #define outside_section_address(q) ( (q)->output_offset + (q)->output_section->vma) | |
116 | ||
117 | #define outside_symbol_address(q) ((q)->value + outside_section_address(q->section)) | |
118 | ||
e20873a7 | 119 | void lang_add_data PARAMS ((int type, union etree_union * exp)); |
bfbdc80f SC |
120 | |
121 | PTR | |
8ddef552 DM |
122 | stat_alloc (size) |
123 | size_t size; | |
bfbdc80f | 124 | { |
075d7359 | 125 | return obstack_alloc (&stat_obstack, size); |
bfbdc80f | 126 | } |
075d7359 | 127 | static void |
8ddef552 DM |
128 | print_size (value) |
129 | size_t value; | |
3f8d46e7 | 130 | { |
075d7359 | 131 | fprintf (config.map_file, "%5x", (unsigned) value); |
3f8d46e7 | 132 | } |
075d7359 | 133 | static void |
8ddef552 DM |
134 | print_alignment (value) |
135 | unsigned int value; | |
3f8d46e7 | 136 | { |
075d7359 | 137 | fprintf (config.map_file, "2**%1u", value); |
3f8d46e7 | 138 | } |
075d7359 SC |
139 | static void |
140 | DEFUN (print_fill, (value), | |
8ddef552 | 141 | fill_type value) |
3f8d46e7 | 142 | { |
075d7359 | 143 | fprintf (config.map_file, "%04x", (unsigned) value); |
3f8d46e7 JG |
144 | } |
145 | ||
d4c02e29 | 146 | |
075d7359 | 147 | static void |
8ddef552 DM |
148 | print_section (name) |
149 | CONST char *CONST name; | |
3f8d46e7 | 150 | { |
075d7359 | 151 | fprintf (config.map_file, "%*s", -longest_section_name, name); |
3f8d46e7 | 152 | } |
2fa0b342 | 153 | |
1418c83b SC |
154 | /*---------------------------------------------------------------------- |
155 | lang_for_each_statement walks the parse tree and calls the provided | |
156 | function for each node | |
157 | */ | |
158 | ||
075d7359 | 159 | static void |
8ddef552 DM |
160 | lang_for_each_statement_worker (func, s) |
161 | void (*func) (); | |
162 | lang_statement_union_type *s; | |
1418c83b | 163 | { |
075d7359 SC |
164 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
165 | { | |
166 | func (s); | |
1418c83b | 167 | |
075d7359 SC |
168 | switch (s->header.type) |
169 | { | |
81016051 | 170 | case lang_constructors_statement_enum: |
075d7359 | 171 | lang_for_each_statement_worker (func, constructor_list.head); |
81016051 | 172 | break; |
1418c83b SC |
173 | case lang_output_section_statement_enum: |
174 | lang_for_each_statement_worker | |
075d7359 | 175 | (func, |
1418c83b SC |
176 | s->output_section_statement.children.head); |
177 | break; | |
178 | case lang_wild_statement_enum: | |
179 | lang_for_each_statement_worker | |
075d7359 | 180 | (func, |
1418c83b SC |
181 | s->wild_statement.children.head); |
182 | break; | |
183 | case lang_data_statement_enum: | |
184 | case lang_object_symbols_statement_enum: | |
185 | case lang_output_statement_enum: | |
186 | case lang_target_statement_enum: | |
187 | case lang_input_section_enum: | |
188 | case lang_input_statement_enum: | |
1418c83b SC |
189 | case lang_assignment_statement_enum: |
190 | case lang_padding_statement_enum: | |
191 | case lang_address_statement_enum: | |
192 | break; | |
193 | default: | |
075d7359 | 194 | FAIL (); |
1418c83b SC |
195 | break; |
196 | } | |
075d7359 | 197 | } |
1418c83b SC |
198 | } |
199 | ||
200 | void | |
8ddef552 DM |
201 | lang_for_each_statement (func) |
202 | void (*func) (); | |
1418c83b | 203 | { |
075d7359 SC |
204 | lang_for_each_statement_worker (func, |
205 | statement_list.head); | |
1418c83b | 206 | } |
075d7359 | 207 | |
1418c83b | 208 | /*----------------------------------------------------------------------*/ |
075d7359 | 209 | void |
8ddef552 DM |
210 | lang_list_init (list) |
211 | lang_statement_list_type *list; | |
2fa0b342 | 212 | { |
075d7359 SC |
213 | list->head = (lang_statement_union_type *) NULL; |
214 | list->tail = &list->head; | |
2fa0b342 DHW |
215 | } |
216 | ||
1418c83b | 217 | /*---------------------------------------------------------------------- |
075d7359 | 218 | |
1418c83b SC |
219 | build a new statement node for the parse tree |
220 | ||
221 | */ | |
2fa0b342 DHW |
222 | |
223 | static | |
075d7359 | 224 | lang_statement_union_type * |
8ddef552 DM |
225 | new_statement (type, size, list) |
226 | enum statement_enum type; | |
5af8e9d6 | 227 | size_t size; |
8ddef552 | 228 | lang_statement_list_type * list; |
2fa0b342 DHW |
229 | { |
230 | lang_statement_union_type *new = (lang_statement_union_type *) | |
075d7359 SC |
231 | stat_alloc (size); |
232 | ||
2fa0b342 | 233 | new->header.type = type; |
075d7359 SC |
234 | new->header.next = (lang_statement_union_type *) NULL; |
235 | lang_statement_append (list, new, &new->header.next); | |
2fa0b342 DHW |
236 | return new; |
237 | } | |
238 | ||
1418c83b SC |
239 | /* |
240 | Build a new input file node for the language. There are several ways | |
241 | in which we treat an input file, eg, we only look at symbols, or | |
242 | prefix it with a -l etc. | |
243 | ||
244 | We can be supplied with requests for input files more than once; | |
245 | they may, for example be split over serveral lines like foo.o(.text) | |
246 | foo.o(.data) etc, so when asked for a file we check that we havn't | |
247 | got it already so we don't duplicate the bfd. | |
248 | ||
249 | */ | |
2fa0b342 | 250 | static lang_input_statement_type * |
8ddef552 DM |
251 | new_afile (name, file_type, target) |
252 | CONST char *CONST name; | |
253 | CONST lang_input_file_enum_type file_type; | |
254 | CONST char *CONST target; | |
2fa0b342 | 255 | { |
dc4726c2 | 256 | |
075d7359 SC |
257 | lang_input_statement_type *p = new_stat (lang_input_statement, |
258 | stat_ptr); | |
259 | ||
2fa0b342 DHW |
260 | lang_has_input_file = true; |
261 | p->target = target; | |
ee4af9e8 | 262 | p->complained = false; |
075d7359 SC |
263 | switch (file_type) |
264 | { | |
265 | case lang_input_file_is_symbols_only_enum: | |
266 | p->filename = name; | |
267 | p->is_archive = false; | |
268 | p->real = true; | |
269 | p->local_sym_name = name; | |
270 | p->just_syms_flag = true; | |
271 | p->search_dirs_flag = false; | |
272 | break; | |
273 | case lang_input_file_is_fake_enum: | |
274 | p->filename = name; | |
275 | p->is_archive = false; | |
276 | p->real = false; | |
277 | p->local_sym_name = name; | |
278 | p->just_syms_flag = false; | |
279 | p->search_dirs_flag = false; | |
280 | break; | |
281 | case lang_input_file_is_l_enum: | |
282 | p->is_archive = true; | |
283 | p->filename = name; | |
284 | p->real = true; | |
285 | p->local_sym_name = concat ("-l", name, ""); | |
286 | p->just_syms_flag = false; | |
287 | p->search_dirs_flag = true; | |
288 | break; | |
289 | case lang_input_file_is_search_file_enum: | |
290 | case lang_input_file_is_marker_enum: | |
291 | p->filename = name; | |
292 | p->is_archive = false; | |
293 | p->real = true; | |
294 | p->local_sym_name = name; | |
295 | p->just_syms_flag = false; | |
296 | p->search_dirs_flag = true; | |
297 | break; | |
298 | case lang_input_file_is_file_enum: | |
299 | p->filename = name; | |
300 | p->is_archive = false; | |
301 | p->real = true; | |
302 | p->local_sym_name = name; | |
303 | p->just_syms_flag = false; | |
304 | p->search_dirs_flag = false; | |
305 | break; | |
306 | default: | |
307 | FAIL (); | |
308 | } | |
309 | p->asymbols = (asymbol **) NULL; | |
310 | p->superfile = (lang_input_statement_type *) NULL; | |
311 | p->next_real_file = (lang_statement_union_type *) NULL; | |
312 | p->next = (lang_statement_union_type *) NULL; | |
2fa0b342 | 313 | p->symbol_count = 0; |
075d7359 SC |
314 | p->common_output_section = (asection *) NULL; |
315 | lang_statement_append (&input_file_chain, | |
316 | (lang_statement_union_type *) p, | |
317 | &p->next_real_file); | |
2fa0b342 DHW |
318 | return p; |
319 | } | |
320 | ||
321 | lang_input_statement_type * | |
8ddef552 DM |
322 | lang_add_input_file (name, file_type, target) |
323 | CONST char *name; | |
324 | lang_input_file_enum_type file_type; | |
325 | CONST char *target; | |
2fa0b342 DHW |
326 | { |
327 | /* Look it up or build a new one */ | |
1418c83b | 328 | lang_has_input_file = true; |
a4aeaacf | 329 | |
1418c83b | 330 | #if 0 |
2fa0b342 DHW |
331 | lang_input_statement_type *p; |
332 | ||
075d7359 SC |
333 | for (p = (lang_input_statement_type *) input_file_chain.head; |
334 | p != (lang_input_statement_type *) NULL; | |
335 | p = (lang_input_statement_type *) (p->next_real_file)) | |
336 | { | |
337 | /* Sometimes we have incomplete entries in here */ | |
338 | if (p->filename != (char *) NULL) | |
339 | { | |
340 | if (strcmp (name, p->filename) == 0) | |
341 | return p; | |
1418c83b | 342 | } |
075d7359 SC |
343 | |
344 | } | |
1418c83b | 345 | #endif |
075d7359 | 346 | return new_afile (name, file_type, target); |
2fa0b342 DHW |
347 | } |
348 | ||
81150d34 | 349 | void |
8ddef552 DM |
350 | lang_add_keepsyms_file (filename) |
351 | CONST char *filename; | |
81150d34 ILT |
352 | { |
353 | extern strip_symbols_type strip_symbols; | |
354 | if (keepsyms_file != 0) | |
a4aeaacf | 355 | info_msg ("%X%P: error: duplicated keep-symbols-file value\n"); |
81150d34 ILT |
356 | keepsyms_file = filename; |
357 | if (strip_symbols != STRIP_NONE) | |
a4aeaacf | 358 | info_msg ("%P: `-keep-only-symbols-file' overrides `-s' and `-S'\n"); |
81150d34 ILT |
359 | strip_symbols = STRIP_SOME; |
360 | } | |
361 | ||
1418c83b | 362 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 363 | void |
8ddef552 | 364 | lang_init () |
2fa0b342 | 365 | { |
075d7359 | 366 | obstack_begin (&stat_obstack, 1000); |
2fa0b342 | 367 | |
075d7359 | 368 | stat_ptr = &statement_list; |
bfbdc80f | 369 | |
075d7359 | 370 | lang_list_init (stat_ptr); |
2fa0b342 | 371 | |
075d7359 SC |
372 | lang_list_init (&input_file_chain); |
373 | lang_list_init (&lang_output_section_statement); | |
374 | lang_list_init (&file_chain); | |
375 | first_file = lang_add_input_file ((char *) NULL, | |
376 | lang_input_file_is_marker_enum, | |
377 | (char *) NULL); | |
378 | abs_output_section = lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 379 | |
bfbdc80f | 380 | abs_output_section->bfd_section = &bfd_abs_section; |
9d1fe8a4 | 381 | |
2fa0b342 DHW |
382 | } |
383 | ||
1418c83b | 384 | /*---------------------------------------------------------------------- |
075d7359 SC |
385 | A region is an area of memory declared with the |
386 | MEMORY { name:org=exp, len=exp ... } | |
387 | syntax. | |
2fa0b342 | 388 | |
1418c83b | 389 | We maintain a list of all the regions here |
2fa0b342 | 390 | |
1418c83b SC |
391 | If no regions are specified in the script, then the default is used |
392 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
393 | */ |
394 | ||
395 | static lang_memory_region_type *lang_memory_region_list; | |
396 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
397 | ||
398 | lang_memory_region_type * | |
8ddef552 DM |
399 | lang_memory_region_lookup (name) |
400 | CONST char *CONST name; | |
2fa0b342 DHW |
401 | { |
402 | ||
075d7359 SC |
403 | lang_memory_region_type *p = lang_memory_region_list; |
404 | ||
1418c83b | 405 | for (p = lang_memory_region_list; |
075d7359 SC |
406 | p != (lang_memory_region_type *) NULL; |
407 | p = p->next) | |
408 | { | |
409 | if (strcmp (p->name, name) == 0) | |
410 | { | |
411 | return p; | |
412 | } | |
2fa0b342 | 413 | } |
075d7359 | 414 | if (strcmp (name, "*default*") == 0) |
2fa0b342 | 415 | { |
075d7359 SC |
416 | /* This is the default region, dig out first one on the list */ |
417 | if (lang_memory_region_list != (lang_memory_region_type *) NULL) | |
418 | { | |
419 | return lang_memory_region_list; | |
420 | } | |
2fa0b342 | 421 | } |
075d7359 SC |
422 | { |
423 | lang_memory_region_type *new = | |
424 | (lang_memory_region_type *) stat_alloc ((bfd_size_type) (sizeof (lang_memory_region_type))); | |
425 | ||
426 | new->name = buystring (name); | |
427 | new->next = (lang_memory_region_type *) NULL; | |
428 | ||
429 | *lang_memory_region_list_tail = new; | |
430 | lang_memory_region_list_tail = &new->next; | |
431 | new->origin = 0; | |
8ddef552 | 432 | new->length = ~(bfd_size_type)0; |
075d7359 SC |
433 | new->current = 0; |
434 | new->had_full_message = false; | |
435 | ||
436 | return new; | |
437 | } | |
2fa0b342 DHW |
438 | } |
439 | ||
440 | ||
2fa0b342 | 441 | lang_output_section_statement_type * |
8ddef552 DM |
442 | lang_output_section_find (name) |
443 | CONST char *CONST name; | |
2fa0b342 DHW |
444 | { |
445 | lang_statement_union_type *u; | |
446 | lang_output_section_statement_type *lookup; | |
447 | ||
448 | for (u = lang_output_section_statement.head; | |
075d7359 | 449 | u != (lang_statement_union_type *) NULL; |
2fa0b342 | 450 | u = lookup->next) |
075d7359 SC |
451 | { |
452 | lookup = &u->output_section_statement; | |
453 | if (strcmp (name, lookup->name) == 0) | |
454 | { | |
1418c83b SC |
455 | return lookup; |
456 | } | |
075d7359 SC |
457 | } |
458 | return (lang_output_section_statement_type *) NULL; | |
2fa0b342 DHW |
459 | } |
460 | ||
461 | lang_output_section_statement_type * | |
8ddef552 DM |
462 | lang_output_section_statement_lookup (name) |
463 | CONST char *CONST name; | |
2fa0b342 DHW |
464 | { |
465 | lang_output_section_statement_type *lookup; | |
2fa0b342 | 466 | |
075d7359 SC |
467 | lookup = lang_output_section_find (name); |
468 | if (lookup == (lang_output_section_statement_type *) NULL) | |
469 | { | |
2fa0b342 | 470 | |
075d7359 SC |
471 | lookup = (lang_output_section_statement_type *) |
472 | new_stat (lang_output_section_statement, stat_ptr); | |
473 | lookup->region = (lang_memory_region_type *) NULL; | |
474 | lookup->fill = 0; | |
475 | lookup->block_value = 1; | |
476 | lookup->name = name; | |
477 | ||
478 | lookup->next = (lang_statement_union_type *) NULL; | |
479 | lookup->bfd_section = (asection *) NULL; | |
480 | lookup->processed = false; | |
ae475b39 | 481 | lookup->loadable = 1; |
075d7359 SC |
482 | lookup->addr_tree = (etree_type *) NULL; |
483 | lang_list_init (&lookup->children); | |
484 | ||
1b8a42f3 ILT |
485 | lookup->memspec = (CONST char *) NULL; |
486 | lookup->flags = 0; | |
487 | lookup->subsection_alignment = -1; | |
488 | lookup->section_alignment = -1; | |
489 | lookup->load_base = (union etree_union *) NULL; | |
490 | ||
075d7359 SC |
491 | lang_statement_append (&lang_output_section_statement, |
492 | (lang_statement_union_type *) lookup, | |
493 | &lookup->next); | |
494 | } | |
495 | return lookup; | |
496 | } | |
2fa0b342 | 497 | |
9d1fe8a4 | 498 | /*ARGSUSED*/ |
2fa0b342 | 499 | static void |
8ddef552 DM |
500 | print_flags (ignore_flags) |
501 | int *ignore_flags; | |
2fa0b342 | 502 | { |
075d7359 | 503 | fprintf (config.map_file, "("); |
2fa0b342 | 504 | #if 0 |
075d7359 SC |
505 | if (flags->flag_read) |
506 | fprintf (outfile, "R"); | |
507 | if (flags->flag_write) | |
508 | fprintf (outfile, "W"); | |
509 | if (flags->flag_executable) | |
510 | fprintf (outfile, "X"); | |
511 | if (flags->flag_loadable) | |
512 | fprintf (outfile, "L"); | |
2fa0b342 | 513 | #endif |
ae475b39 | 514 | fprintf (config.map_file, ")"); |
2fa0b342 DHW |
515 | } |
516 | ||
517 | void | |
8ddef552 | 518 | lang_map () |
2fa0b342 DHW |
519 | { |
520 | lang_memory_region_type *m; | |
075d7359 SC |
521 | |
522 | fprintf (config.map_file, "**MEMORY CONFIGURATION**\n\n"); | |
48491e2e | 523 | #ifdef HOST_64_BIT |
075d7359 | 524 | fprintf (config.map_file, "name\t\torigin\t\tlength\t\tattributes\n"); |
48491e2e | 525 | #else |
ae475b39 SC |
526 | fprintf (config.map_file, |
527 | "name\t\torigin length r_size c_size is attributes\n"); | |
528 | ||
48491e2e | 529 | #endif |
2fa0b342 | 530 | for (m = lang_memory_region_list; |
075d7359 SC |
531 | m != (lang_memory_region_type *) NULL; |
532 | m = m->next) | |
2fa0b342 | 533 | { |
075d7359 SC |
534 | fprintf (config.map_file, "%-16s", m->name); |
535 | print_address (m->origin); | |
536 | print_space (); | |
8ddef552 | 537 | print_address ((bfd_vma)m->length); |
075d7359 | 538 | print_space (); |
8ddef552 | 539 | print_address ((bfd_vma)m->old_length); |
ae475b39 SC |
540 | print_space(); |
541 | print_address (m->current - m->origin); | |
542 | print_space(); | |
543 | if (m->old_length) | |
544 | fprintf(config.map_file," %2d%% ", ( m->current - m->origin) * 100 / m->old_length); | |
075d7359 SC |
545 | print_flags (&m->flags); |
546 | fprintf (config.map_file, "\n"); | |
2fa0b342 | 547 | } |
075d7359 SC |
548 | fprintf (config.map_file, "\n\n**LINK EDITOR MEMORY MAP**\n\n"); |
549 | fprintf (config.map_file, "output input virtual\n"); | |
550 | fprintf (config.map_file, "section section address tsize\n\n"); | |
2fa0b342 | 551 | |
075d7359 | 552 | print_statements (); |
2fa0b342 DHW |
553 | |
554 | } | |
555 | ||
556 | /* | |
557 | * | |
558 | */ | |
075d7359 | 559 | static void |
8ddef552 DM |
560 | init_os (s) |
561 | lang_output_section_statement_type * s; | |
2fa0b342 | 562 | { |
9d1fe8a4 SC |
563 | /* asection *section = bfd_get_section_by_name(output_bfd, s->name);*/ |
564 | section_userdata_type *new = | |
075d7359 SC |
565 | (section_userdata_type *) |
566 | stat_alloc ((bfd_size_type) (sizeof (section_userdata_type))); | |
567 | ||
568 | s->bfd_section = bfd_get_section_by_name (output_bfd, s->name); | |
569 | if (s->bfd_section == (asection *) NULL) | |
570 | s->bfd_section = bfd_make_section (output_bfd, s->name); | |
571 | if (s->bfd_section == (asection *) NULL) | |
572 | { | |
ddddcdf0 | 573 | einfo ("%P%F: output format %s cannot represent section called %s\n", |
075d7359 | 574 | output_bfd->xvec->name, s->name); |
9d1fe8a4 | 575 | } |
2fa0b342 | 576 | s->bfd_section->output_section = s->bfd_section; |
ae475b39 | 577 | /* s->bfd_section->flags = s->flags;*/ |
7bc4a0d7 | 578 | |
2fa0b342 DHW |
579 | /* We initialize an output sections output offset to minus its own */ |
580 | /* vma to allow us to output a section through itself */ | |
581 | s->bfd_section->output_offset = 0; | |
075d7359 | 582 | get_userdata (s->bfd_section) = (PTR) new; |
c611e285 | 583 | |
2fa0b342 DHW |
584 | } |
585 | ||
1418c83b SC |
586 | /*********************************************************************** |
587 | The wild routines. | |
588 | ||
589 | These expand statements like *(.text) and foo.o to a list of | |
590 | explicit actions, like foo.o(.text), bar.o(.text) and | |
591 | foo.o(.text,.data) . | |
592 | ||
593 | The toplevel routine, wild, takes a statement, section, file and | |
594 | target. If either the section or file is null it is taken to be the | |
595 | wildcard. Seperate lang_input_section statements are created for | |
596 | each part of the expanstion, and placed after the statement provided. | |
597 | ||
598 | */ | |
075d7359 | 599 | |
2fa0b342 | 600 | static void |
8ddef552 DM |
601 | wild_doit (ptr, section, output, file) |
602 | lang_statement_list_type * ptr; | |
603 | asection * section; | |
604 | lang_output_section_statement_type * output; | |
605 | lang_input_statement_type * file; | |
2fa0b342 | 606 | { |
075d7359 | 607 | if (output->bfd_section == (asection *) NULL) |
ae475b39 SC |
608 | { |
609 | init_os (output); | |
e9b63852 ILT |
610 | /* Initialize the vma and size to the existing section. This will |
611 | be overriden in lang_size_sections unless SEC_NEVER_LOAD gets | |
612 | set. */ | |
613 | if (section != (asection *) NULL) | |
614 | { | |
615 | bfd_set_section_vma (0, output->bfd_section, | |
616 | bfd_section_vma (0, section)); | |
617 | output->bfd_section->_raw_size = section->_raw_size; | |
618 | } | |
ae475b39 | 619 | } |
2fa0b342 | 620 | |
075d7359 SC |
621 | if (section != (asection *) NULL |
622 | && section->output_section == (asection *) NULL) | |
ae475b39 SC |
623 | { |
624 | /* Add a section reference to the list */ | |
625 | lang_input_section_type *new = new_stat (lang_input_section, ptr); | |
626 | ||
627 | new->section = section; | |
628 | new->ifile = file; | |
629 | section->output_section = output->bfd_section; | |
29f33467 SC |
630 | |
631 | /* Be selective about what the output section inherits from the | |
632 | input section */ | |
633 | ||
8ddef552 DM |
634 | if ((section->flags & SEC_SHARED_LIBRARY) != 0) |
635 | section->output_section->flags |= section->flags; | |
636 | else | |
637 | section->output_section->flags |= section->flags & ~SEC_NEVER_LOAD; | |
29f33467 | 638 | |
ae475b39 | 639 | if (!output->loadable) |
075d7359 | 640 | { |
29f33467 | 641 | /* Turn off load flag */ |
ae475b39 | 642 | output->bfd_section->flags &= ~SEC_LOAD; |
29f33467 | 643 | output->bfd_section->flags |= SEC_NEVER_LOAD; |
ae475b39 SC |
644 | } |
645 | if (section->alignment_power > output->bfd_section->alignment_power) | |
646 | { | |
647 | output->bfd_section->alignment_power = section->alignment_power; | |
075d7359 | 648 | } |
e20873a7 JG |
649 | /* If supplied an aligmnet, then force it */ |
650 | if (output->section_alignment != -1) | |
651 | { | |
652 | output->bfd_section->alignment_power = output->section_alignment; | |
653 | } | |
ae475b39 | 654 | } |
2fa0b342 DHW |
655 | } |
656 | ||
657 | static asection * | |
8ddef552 DM |
658 | our_bfd_get_section_by_name (abfd, section) |
659 | bfd * abfd; | |
660 | CONST char *section; | |
2fa0b342 | 661 | { |
075d7359 | 662 | return bfd_get_section_by_name (abfd, section); |
2fa0b342 | 663 | } |
1418c83b | 664 | |
075d7359 | 665 | static void |
8ddef552 DM |
666 | wild_section (ptr, section, file, output) |
667 | lang_wild_statement_type * ptr; | |
668 | CONST char *section; | |
669 | lang_input_statement_type * file; | |
670 | lang_output_section_statement_type * output; | |
2fa0b342 DHW |
671 | { |
672 | asection *s; | |
075d7359 SC |
673 | |
674 | if (file->just_syms_flag == false) | |
675 | { | |
676 | if (section == (char *) NULL) | |
677 | { | |
678 | /* Do the creation to all sections in the file */ | |
679 | for (s = file->the_bfd->sections; s != (asection *) NULL; s = s->next) | |
29f33467 SC |
680 | { |
681 | /* except for bss */ | |
682 | if ((s->flags & SEC_IS_COMMON) == 0) | |
075d7359 SC |
683 | { |
684 | wild_doit (&ptr->children, s, output, file); | |
685 | } | |
29f33467 | 686 | } |
075d7359 SC |
687 | } |
688 | else | |
689 | { | |
690 | /* Do the creation to the named section only */ | |
691 | wild_doit (&ptr->children, | |
692 | our_bfd_get_section_by_name (file->the_bfd, section), | |
693 | output, file); | |
694 | } | |
2fa0b342 | 695 | } |
2fa0b342 DHW |
696 | } |
697 | ||
1418c83b SC |
698 | /* passed a file name (which must have been seen already and added to |
699 | the statement tree. We will see if it has been opened already and | |
700 | had its symbols read. If not then we'll read it. | |
2fa0b342 | 701 | |
1418c83b SC |
702 | Archives are pecuilar here. We may open them once, but if they do |
703 | not define anything we need at the time, they won't have all their | |
704 | symbols read. If we need them later, we'll have to redo it. | |
705 | */ | |
2fa0b342 | 706 | static |
1418c83b | 707 | lang_input_statement_type * |
8ddef552 DM |
708 | lookup_name (name) |
709 | CONST char *CONST name; | |
2fa0b342 DHW |
710 | { |
711 | lang_input_statement_type *search; | |
075d7359 SC |
712 | |
713 | for (search = (lang_input_statement_type *) input_file_chain.head; | |
714 | search != (lang_input_statement_type *) NULL; | |
715 | search = (lang_input_statement_type *) search->next_real_file) | |
716 | { | |
717 | if (search->filename == (char *) NULL && name == (char *) NULL) | |
718 | { | |
2fa0b342 DHW |
719 | return search; |
720 | } | |
075d7359 SC |
721 | if (search->filename != (char *) NULL && name != (char *) NULL) |
722 | { | |
723 | if (strcmp (search->filename, name) == 0) | |
724 | { | |
725 | ldmain_open_file_read_symbol (search); | |
726 | return search; | |
727 | } | |
1418c83b | 728 | } |
075d7359 | 729 | } |
2fa0b342 | 730 | |
075d7359 SC |
731 | /* There isn't an afile entry for this file yet, this must be |
732 | because the name has only appeared inside a load script and not | |
1418c83b | 733 | on the command line */ |
075d7359 SC |
734 | search = new_afile (name, lang_input_file_is_file_enum, default_target); |
735 | ldmain_open_file_read_symbol (search); | |
2fa0b342 | 736 | return search; |
1418c83b SC |
737 | |
738 | ||
2fa0b342 DHW |
739 | } |
740 | ||
741 | static void | |
8ddef552 DM |
742 | wild (s, section, file, target, output) |
743 | lang_wild_statement_type * s; | |
744 | CONST char *CONST section; | |
745 | CONST char *CONST file; | |
746 | CONST char *CONST target; | |
747 | lang_output_section_statement_type * output; | |
2fa0b342 DHW |
748 | { |
749 | lang_input_statement_type *f; | |
075d7359 SC |
750 | |
751 | if (file == (char *) NULL) | |
752 | { | |
753 | /* Perform the iteration over all files in the list */ | |
754 | for (f = (lang_input_statement_type *) file_chain.head; | |
755 | f != (lang_input_statement_type *) NULL; | |
756 | f = (lang_input_statement_type *) f->next) | |
757 | { | |
758 | wild_section (s, section, f, output); | |
759 | } | |
29f33467 SC |
760 | /* Once more for the script file */ |
761 | wild_section(s, section, script_file, output); | |
075d7359 SC |
762 | } |
763 | else | |
764 | { | |
765 | /* Perform the iteration over a single file */ | |
766 | wild_section (s, section, lookup_name (file), output); | |
767 | } | |
768 | if (section != (char *) NULL | |
769 | && strcmp (section, "COMMON") == 0 | |
770 | && default_common_section == (lang_output_section_statement_type *) NULL) | |
771 | { | |
772 | /* Remember the section that common is going to incase we later | |
773 | get something which doesn't know where to put it */ | |
774 | default_common_section = output; | |
2fa0b342 | 775 | } |
2fa0b342 DHW |
776 | } |
777 | ||
778 | /* | |
075d7359 | 779 | read in all the files |
2fa0b342 | 780 | */ |
97fbbaca | 781 | |
075d7359 | 782 | static bfd * |
8ddef552 DM |
783 | open_output (name) |
784 | CONST char *CONST name; | |
2fa0b342 | 785 | { |
30d1a390 SC |
786 | extern unsigned long ldfile_output_machine; |
787 | extern enum bfd_architecture ldfile_output_architecture; | |
788 | ||
097879bc | 789 | bfd *output; |
097879bc | 790 | |
075d7359 | 791 | if (output_target == (char *) NULL) |
ae475b39 SC |
792 | { |
793 | if (current_target != (char *) NULL) | |
794 | output_target = current_target; | |
795 | else | |
796 | output_target = default_target; | |
797 | } | |
075d7359 | 798 | output = bfd_openw (name, output_target); |
075d7359 SC |
799 | |
800 | if (output == (bfd *) NULL) | |
801 | { | |
ae475b39 SC |
802 | if (bfd_error == invalid_target) |
803 | { | |
ddddcdf0 | 804 | einfo ("%P%F: target %s not found\n", output_target); |
ae475b39 | 805 | } |
ddddcdf0 | 806 | einfo ("%P%F: cannot open output file %s: %E\n", name); |
075d7359 | 807 | } |
30d1a390 | 808 | |
97fbbaca JL |
809 | delete_output_file_on_failure = 1; |
810 | ||
30d1a390 | 811 | /* output->flags |= D_PAGED;*/ |
075d7359 | 812 | |
ddddcdf0 ILT |
813 | if (! bfd_set_format (output, bfd_object)) |
814 | einfo ("%P%F:%s: can not make object file: %E\n", name); | |
815 | if (! bfd_set_arch_mach (output, | |
816 | ldfile_output_architecture, | |
817 | ldfile_output_machine)) | |
818 | einfo ("%P%F:%s: can not set architecture: %E\n", name); | |
819 | ||
1b8a42f3 | 820 | bfd_set_gp_size (output, g_switch_value); |
2fa0b342 DHW |
821 | return output; |
822 | } | |
1418c83b SC |
823 | |
824 | ||
097879bc | 825 | |
1418c83b | 826 | |
2fa0b342 | 827 | static void |
8ddef552 DM |
828 | ldlang_open_output (statement) |
829 | lang_statement_union_type * statement; | |
2fa0b342 | 830 | { |
075d7359 SC |
831 | switch (statement->header.type) |
832 | { | |
833 | case lang_output_statement_enum: | |
834 | output_bfd = open_output (statement->output_statement.name); | |
835 | ldemul_set_output_arch (); | |
836 | if (config.magic_demand_paged && !config.relocateable_output) | |
837 | output_bfd->flags |= D_PAGED; | |
838 | else | |
839 | output_bfd->flags &= ~D_PAGED; | |
840 | if (config.text_read_only) | |
841 | output_bfd->flags |= WP_TEXT; | |
842 | else | |
843 | output_bfd->flags &= ~WP_TEXT; | |
844 | break; | |
1418c83b | 845 | |
075d7359 SC |
846 | case lang_target_statement_enum: |
847 | current_target = statement->target_statement.target; | |
848 | break; | |
849 | default: | |
850 | break; | |
851 | } | |
1418c83b | 852 | } |
2fa0b342 | 853 | |
1418c83b | 854 | static void |
8ddef552 DM |
855 | open_input_bfds (statement) |
856 | lang_statement_union_type * statement; | |
1418c83b | 857 | { |
075d7359 SC |
858 | switch (statement->header.type) |
859 | { | |
1418c83b | 860 | case lang_target_statement_enum: |
075d7359 SC |
861 | current_target = statement->target_statement.target; |
862 | break; | |
863 | case lang_wild_statement_enum: | |
864 | /* Maybe we should load the file's symbols */ | |
865 | if (statement->wild_statement.filename) | |
866 | { | |
867 | (void) lookup_name (statement->wild_statement.filename); | |
868 | } | |
869 | break; | |
870 | case lang_input_statement_enum: | |
871 | if (statement->input_statement.real == true) | |
872 | { | |
873 | statement->input_statement.target = current_target; | |
874 | lookup_name (statement->input_statement.filename); | |
875 | } | |
876 | break; | |
877 | default: | |
878 | break; | |
879 | } | |
2fa0b342 | 880 | } |
075d7359 | 881 | |
2fa0b342 DHW |
882 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
883 | ||
884 | static void | |
075d7359 | 885 | lang_reasonable_defaults () |
2fa0b342 | 886 | { |
ffc50032 | 887 | |
ffc50032 | 888 | |
075d7359 | 889 | |
1418c83b | 890 | #if 0 |
075d7359 SC |
891 | lang_output_section_statement_lookup (".text"); |
892 | lang_output_section_statement_lookup (".data"); | |
8cb5eb31 | 893 | |
075d7359 SC |
894 | default_common_section = |
895 | lang_output_section_statement_lookup (".bss"); | |
8cb5eb31 | 896 | |
1418c83b | 897 | |
075d7359 SC |
898 | if (placed_commons == false) |
899 | { | |
900 | lang_wild_statement_type *new = | |
901 | new_stat (lang_wild_statement, | |
902 | &default_common_section->children); | |
903 | ||
904 | new->section_name = "COMMON"; | |
905 | new->filename = (char *) NULL; | |
906 | lang_list_init (&new->children); | |
907 | } | |
1418c83b | 908 | #endif |
8cb5eb31 | 909 | |
2fa0b342 DHW |
910 | } |
911 | ||
1418c83b SC |
912 | /* |
913 | Add the supplied name to the symbol table as an undefined reference. | |
914 | Remove items from the chain as we open input bfds | |
915 | */ | |
075d7359 SC |
916 | typedef struct ldlang_undef_chain_list |
917 | { | |
f177a611 | 918 | struct ldlang_undef_chain_list *next; |
1418c83b | 919 | char *name; |
075d7359 | 920 | } ldlang_undef_chain_list_type; |
1418c83b SC |
921 | |
922 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
923 | ||
924 | void | |
8ddef552 DM |
925 | ldlang_add_undef (name) |
926 | CONST char *CONST name; | |
2fa0b342 | 927 | { |
1418c83b | 928 | ldlang_undef_chain_list_type *new = |
075d7359 SC |
929 | (ldlang_undef_chain_list_type |
930 | *) stat_alloc ((bfd_size_type) (sizeof (ldlang_undef_chain_list_type))); | |
1418c83b SC |
931 | |
932 | new->next = ldlang_undef_chain_list_head; | |
933 | ldlang_undef_chain_list_head = new; | |
934 | ||
075d7359 | 935 | new->name = buystring (name); |
1418c83b | 936 | } |
075d7359 | 937 | |
1418c83b SC |
938 | /* Run through the list of undefineds created above and place them |
939 | into the linker hash table as undefined symbols belonging to the | |
940 | script file. | |
941 | */ | |
942 | static void | |
8ddef552 | 943 | lang_place_undefineds () |
1418c83b SC |
944 | { |
945 | ldlang_undef_chain_list_type *ptr = ldlang_undef_chain_list_head; | |
1418c83b | 946 | |
075d7359 SC |
947 | while (ptr != (ldlang_undef_chain_list_type *) NULL) |
948 | { | |
949 | asymbol *def; | |
950 | asymbol **def_ptr = (asymbol **) stat_alloc ((bfd_size_type) (sizeof (asymbol **))); | |
951 | ||
952 | def = (asymbol *) bfd_make_empty_symbol (script_file->the_bfd); | |
953 | *def_ptr = def; | |
954 | def->name = ptr->name; | |
955 | def->section = &bfd_und_section; | |
ddddcdf0 | 956 | enter_global_ref (def_ptr, ptr->name); |
075d7359 SC |
957 | ptr = ptr->next; |
958 | } | |
959 | } | |
1418c83b SC |
960 | |
961 | /* Copy important data from out internal form to the bfd way. Also | |
962 | create a section for the dummy file | |
963 | */ | |
964 | ||
965 | static void | |
8ddef552 | 966 | lang_create_output_section_statements () |
1418c83b | 967 | { |
075d7359 SC |
968 | lang_statement_union_type *os; |
969 | ||
1418c83b | 970 | for (os = lang_output_section_statement.head; |
075d7359 SC |
971 | os != (lang_statement_union_type *) NULL; |
972 | os = os->output_section_statement.next) | |
973 | { | |
974 | lang_output_section_statement_type *s = | |
1418c83b | 975 | &os->output_section_statement; |
075d7359 SC |
976 | |
977 | init_os (s); | |
978 | } | |
1418c83b SC |
979 | |
980 | } | |
981 | ||
982 | static void | |
8ddef552 | 983 | lang_init_script_file () |
1418c83b | 984 | { |
29f33467 | 985 | script_file = lang_add_input_file ("command line", |
075d7359 SC |
986 | lang_input_file_is_fake_enum, |
987 | (char *) NULL); | |
29f33467 | 988 | script_file->the_bfd = bfd_create ("command line", output_bfd); |
1418c83b | 989 | script_file->symbol_count = 0; |
29f33467 SC |
990 | script_file->the_bfd->sections = 0; |
991 | ||
992 | /* The user data of a bfd points to the input statement attatched */ | |
993 | script_file->the_bfd->usrdata = (void *)script_file; | |
994 | script_file->common_section = | |
995 | bfd_make_section(script_file->the_bfd,"COMMON"); | |
996 | ||
997 | abs_output_section = | |
998 | lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 999 | |
075d7359 | 1000 | abs_output_section->bfd_section = &bfd_abs_section; |
9d1fe8a4 | 1001 | |
2fa0b342 DHW |
1002 | } |
1003 | ||
2fa0b342 DHW |
1004 | /* Open input files and attatch to output sections */ |
1005 | static void | |
8ddef552 DM |
1006 | map_input_to_output_sections (s, target, output_section_statement) |
1007 | lang_statement_union_type * s; | |
1008 | CONST char *target; | |
1009 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 | 1010 | { |
075d7359 | 1011 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1012 | { |
075d7359 | 1013 | switch (s->header.type) |
2fa0b342 | 1014 | { |
075d7359 SC |
1015 | |
1016 | ||
1017 | case lang_wild_statement_enum: | |
1018 | wild (&s->wild_statement, s->wild_statement.section_name, | |
1019 | s->wild_statement.filename, target, | |
1020 | output_section_statement); | |
1021 | ||
1022 | break; | |
1023 | case lang_constructors_statement_enum: | |
1024 | map_input_to_output_sections (constructor_list.head, | |
1025 | target, | |
1026 | output_section_statement); | |
1027 | break; | |
1028 | case lang_output_section_statement_enum: | |
1029 | map_input_to_output_sections (s->output_section_statement.children.head, | |
1030 | target, | |
1031 | &s->output_section_statement); | |
1032 | break; | |
1033 | case lang_output_statement_enum: | |
1034 | break; | |
1035 | case lang_target_statement_enum: | |
1036 | target = s->target_statement.target; | |
1037 | break; | |
1038 | case lang_fill_statement_enum: | |
1039 | case lang_input_section_enum: | |
1040 | case lang_object_symbols_statement_enum: | |
1041 | case lang_data_statement_enum: | |
1042 | case lang_assignment_statement_enum: | |
1043 | case lang_padding_statement_enum: | |
1044 | break; | |
1045 | case lang_afile_asection_pair_statement_enum: | |
1046 | FAIL (); | |
1047 | break; | |
1048 | case lang_address_statement_enum: | |
1049 | /* Mark the specified section with the supplied address */ | |
1050 | { | |
1051 | lang_output_section_statement_type *os = | |
2fa0b342 | 1052 | lang_output_section_statement_lookup |
075d7359 SC |
1053 | (s->address_statement.section_name); |
1054 | ||
1055 | os->addr_tree = s->address_statement.address; | |
1056 | if (os->bfd_section == (asection *) NULL) | |
1057 | { | |
ddddcdf0 | 1058 | einfo ("%P%F: cannot set the address of undefined section %s\n", |
075d7359 SC |
1059 | s->address_statement.section_name); |
1060 | } | |
48491e2e | 1061 | } |
075d7359 SC |
1062 | break; |
1063 | case lang_input_statement_enum: | |
1064 | /* A standard input statement, has no wildcards */ | |
1065 | /* ldmain_open_file_read_symbol(&s->input_statement);*/ | |
1066 | break; | |
2fa0b342 | 1067 | } |
2fa0b342 DHW |
1068 | } |
1069 | } | |
1070 | ||
1071 | ||
1072 | ||
1073 | ||
1074 | ||
075d7359 | 1075 | static void |
8ddef552 DM |
1076 | print_output_section_statement (output_section_statement) |
1077 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 DHW |
1078 | { |
1079 | asection *section = output_section_statement->bfd_section; | |
075d7359 SC |
1080 | |
1081 | print_nl (); | |
1082 | print_section (output_section_statement->name); | |
1083 | ||
e20873a7 | 1084 | |
075d7359 | 1085 | if (section) |
e20873a7 JG |
1086 | { |
1087 | print_dot = section->vma; | |
1088 | print_space (); | |
1089 | print_section (""); | |
1090 | print_space (); | |
1091 | print_address (section->vma); | |
1092 | print_space (); | |
1093 | print_size (section->_raw_size); | |
1094 | print_space(); | |
1095 | print_size(section->_cooked_size); | |
1096 | print_space (); | |
1097 | print_alignment (section->alignment_power); | |
1098 | print_space (); | |
2fa0b342 | 1099 | #if 0 |
e20873a7 JG |
1100 | fprintf (config.map_file, "%s flags", output_section_statement->region->name); |
1101 | print_flags (stdout, &output_section_statement->flags); | |
2fa0b342 | 1102 | #endif |
e20873a7 JG |
1103 | if (section->flags & SEC_LOAD) |
1104 | fprintf (config.map_file, "load "); | |
1105 | if (section->flags & SEC_ALLOC) | |
1106 | fprintf (config.map_file, "alloc "); | |
1107 | if (section->flags & SEC_RELOC) | |
1108 | fprintf (config.map_file, "reloc "); | |
1109 | if (section->flags & SEC_HAS_CONTENTS) | |
1110 | fprintf (config.map_file, "contents "); | |
2fa0b342 | 1111 | |
e20873a7 | 1112 | } |
075d7359 | 1113 | else |
e20873a7 JG |
1114 | { |
1115 | fprintf (config.map_file, "No attached output section"); | |
1116 | } | |
1117 | print_nl (); | |
9fce28ed SC |
1118 | if (output_section_statement->load_base) |
1119 | { | |
1120 | int b = exp_get_value_int(output_section_statement->load_base, | |
1121 | 0, "output base", lang_final_phase_enum); | |
1122 | printf("Output address %08x\n", b); | |
1123 | } | |
e20873a7 JG |
1124 | if (output_section_statement->section_alignment >= 0 |
1125 | || output_section_statement->section_alignment >= 0) | |
1126 | { | |
1127 | printf("\t\t\t\t\tforced alignment "); | |
1128 | if ( output_section_statement->section_alignment >= 0) | |
075d7359 | 1129 | { |
e20873a7 | 1130 | printf("section 2**%d ",output_section_statement->section_alignment ); |
075d7359 | 1131 | } |
e20873a7 JG |
1132 | if ( output_section_statement->subsection_alignment >= 0) |
1133 | { | |
1134 | printf("subsection 2**%d ",output_section_statement->subsection_alignment ); | |
1135 | } | |
1136 | ||
1137 | print_nl (); | |
1138 | } | |
075d7359 SC |
1139 | print_statement (output_section_statement->children.head, |
1140 | output_section_statement); | |
2fa0b342 DHW |
1141 | |
1142 | } | |
1143 | ||
075d7359 | 1144 | static void |
8ddef552 DM |
1145 | print_assignment (assignment, output_section) |
1146 | lang_assignment_statement_type * assignment; | |
1147 | lang_output_section_statement_type * output_section; | |
2fa0b342 DHW |
1148 | { |
1149 | etree_value_type result; | |
075d7359 SC |
1150 | |
1151 | print_section (""); | |
1152 | print_space (); | |
1153 | print_section (""); | |
1154 | print_space (); | |
1155 | print_address (print_dot); | |
1156 | print_space (); | |
1157 | result = exp_fold_tree (assignment->exp->assign.src, | |
1158 | output_section, | |
1159 | lang_final_phase_enum, | |
1160 | print_dot, | |
1161 | &print_dot); | |
1162 | ||
1163 | if (result.valid) | |
1164 | { | |
1165 | print_address (result.value); | |
1166 | } | |
1167 | else | |
1168 | { | |
1169 | fprintf (config.map_file, "*undefined*"); | |
1170 | } | |
1171 | print_space (); | |
1172 | exp_print_tree (assignment->exp); | |
1173 | ||
1174 | fprintf (config.map_file, "\n"); | |
2fa0b342 DHW |
1175 | } |
1176 | ||
1177 | static void | |
8ddef552 DM |
1178 | print_input_statement (statm) |
1179 | lang_input_statement_type * statm; | |
2fa0b342 | 1180 | { |
075d7359 SC |
1181 | if (statm->filename != (char *) NULL) |
1182 | { | |
1183 | fprintf (config.map_file, "LOAD %s\n", statm->filename); | |
1184 | } | |
2fa0b342 DHW |
1185 | } |
1186 | ||
075d7359 | 1187 | static void |
8ddef552 DM |
1188 | print_symbol (q) |
1189 | asymbol * q; | |
2fa0b342 | 1190 | { |
075d7359 SC |
1191 | print_section (""); |
1192 | fprintf (config.map_file, " "); | |
1193 | print_section (""); | |
1194 | fprintf (config.map_file, " "); | |
1195 | print_address (outside_symbol_address (q)); | |
1196 | fprintf (config.map_file, " %s", q->name ? q->name : " "); | |
a4aeaacf RS |
1197 | if (q->flags & BSF_WEAK) |
1198 | fprintf (config.map_file, " *weak*"); | |
075d7359 | 1199 | print_nl (); |
2fa0b342 | 1200 | } |
1418c83b | 1201 | |
075d7359 | 1202 | static void |
8ddef552 DM |
1203 | print_input_section (in) |
1204 | lang_input_section_type * in; | |
2fa0b342 DHW |
1205 | { |
1206 | asection *i = in->section; | |
aa34a7c3 | 1207 | int size = i->reloc_done ? |
075d7359 SC |
1208 | bfd_get_section_size_after_reloc (i) : |
1209 | bfd_get_section_size_before_reloc (i); | |
1418c83b | 1210 | |
075d7359 SC |
1211 | if (size != 0) |
1212 | { | |
1213 | print_section (""); | |
1214 | fprintf (config.map_file, " "); | |
1215 | print_section (i->name); | |
1216 | fprintf (config.map_file, " "); | |
1217 | if (i->output_section) | |
1218 | { | |
1219 | print_address (i->output_section->vma + i->output_offset); | |
1220 | fprintf (config.map_file, " "); | |
ae475b39 SC |
1221 | print_size (i->_raw_size); |
1222 | fprintf (config.map_file, " "); | |
1223 | print_size(i->_cooked_size); | |
075d7359 SC |
1224 | fprintf (config.map_file, " "); |
1225 | print_alignment (i->alignment_power); | |
1226 | fprintf (config.map_file, " "); | |
1227 | if (in->ifile) | |
1228 | { | |
2fa0b342 | 1229 | |
075d7359 | 1230 | bfd *abfd = in->ifile->the_bfd; |
2fa0b342 | 1231 | |
075d7359 SC |
1232 | if (in->ifile->just_syms_flag == true) |
1233 | { | |
1234 | fprintf (config.map_file, "symbols only "); | |
1235 | } | |
2fa0b342 | 1236 | |
075d7359 SC |
1237 | fprintf (config.map_file, " %s ", abfd->xvec->name); |
1238 | if (abfd->my_archive != (bfd *) NULL) | |
1239 | { | |
1240 | fprintf (config.map_file, "[%s]%s", abfd->my_archive->filename, | |
1241 | abfd->filename); | |
1242 | } | |
1243 | else | |
1244 | { | |
1245 | fprintf (config.map_file, "%s", abfd->filename); | |
1246 | } | |
1247 | fprintf (config.map_file, "(overhead %d bytes)", (int) bfd_alloc_size (abfd)); | |
1248 | print_nl (); | |
2fa0b342 | 1249 | |
075d7359 SC |
1250 | /* Find all the symbols in this file defined in this section */ |
1251 | ||
ae475b39 SC |
1252 | if (in->ifile->symbol_count) |
1253 | { | |
1254 | asymbol **p; | |
075d7359 | 1255 | |
ae475b39 SC |
1256 | for (p = in->ifile->asymbols; *p; p++) |
1257 | { | |
1258 | asymbol *q = *p; | |
075d7359 | 1259 | |
a4aeaacf RS |
1260 | if (bfd_get_section (q) == i |
1261 | && (q->flags & (BSF_GLOBAL | BSF_WEAK)) != 0) | |
ae475b39 SC |
1262 | { |
1263 | print_symbol (q); | |
1264 | } | |
1265 | } | |
1266 | } | |
075d7359 SC |
1267 | } |
1268 | else | |
1269 | { | |
1270 | print_nl (); | |
1271 | } | |
1272 | ||
1273 | ||
1274 | print_dot = outside_section_address (i) + size; | |
1275 | } | |
1276 | else | |
1277 | { | |
1278 | fprintf (config.map_file, "No output section allocated\n"); | |
1279 | } | |
1280 | } | |
1281 | } | |
2fa0b342 DHW |
1282 | |
1283 | static void | |
8ddef552 DM |
1284 | print_fill_statement (fill) |
1285 | lang_fill_statement_type * fill; | |
075d7359 SC |
1286 | { |
1287 | fprintf (config.map_file, "FILL mask "); | |
1288 | print_fill (fill->fill); | |
1289 | } | |
1290 | ||
1291 | static void | |
8ddef552 DM |
1292 | print_data_statement (data) |
1293 | lang_data_statement_type * data; | |
2fa0b342 DHW |
1294 | { |
1295 | /* bfd_vma value; */ | |
075d7359 SC |
1296 | print_section (""); |
1297 | print_space (); | |
1298 | print_section (""); | |
1299 | print_space (); | |
65c552e3 | 1300 | /* ASSERT(print_dot == data->output_vma);*/ |
2fa0b342 | 1301 | |
075d7359 SC |
1302 | print_address (data->output_vma + data->output_section->vma); |
1303 | print_space (); | |
1304 | print_address (data->value); | |
1305 | print_space (); | |
1306 | switch (data->type) | |
1307 | { | |
1308 | case BYTE: | |
1309 | fprintf (config.map_file, "BYTE "); | |
1310 | print_dot += BYTE_SIZE; | |
1311 | break; | |
1312 | case SHORT: | |
1313 | fprintf (config.map_file, "SHORT "); | |
1314 | print_dot += SHORT_SIZE; | |
1315 | break; | |
1316 | case LONG: | |
1317 | fprintf (config.map_file, "LONG "); | |
1318 | print_dot += LONG_SIZE; | |
1319 | break; | |
1320 | } | |
1321 | ||
1322 | exp_print_tree (data->exp); | |
2fa0b342 | 1323 | |
075d7359 | 1324 | fprintf (config.map_file, "\n"); |
2fa0b342 DHW |
1325 | } |
1326 | ||
1327 | ||
1328 | static void | |
8ddef552 DM |
1329 | print_padding_statement (s) |
1330 | lang_padding_statement_type * s; | |
075d7359 SC |
1331 | { |
1332 | print_section (""); | |
1333 | print_space (); | |
1334 | print_section ("*fill*"); | |
1335 | print_space (); | |
1336 | print_address (s->output_offset + s->output_section->vma); | |
1337 | print_space (); | |
1338 | print_size (s->size); | |
1339 | print_space (); | |
1340 | print_fill (s->fill); | |
1341 | print_nl (); | |
ffc50032 | 1342 | |
aa34a7c3 | 1343 | print_dot = s->output_offset + s->output_section->vma + s->size; |
ffc50032 | 1344 | |
2fa0b342 DHW |
1345 | } |
1346 | ||
075d7359 | 1347 | static void |
8ddef552 DM |
1348 | print_wild_statement (w, os) |
1349 | lang_wild_statement_type * w; | |
1350 | lang_output_section_statement_type * os; | |
2fa0b342 | 1351 | { |
075d7359 SC |
1352 | fprintf (config.map_file, " from "); |
1353 | if (w->filename != (char *) NULL) | |
1354 | { | |
1355 | fprintf (config.map_file, "%s", w->filename); | |
1356 | } | |
1357 | else | |
1358 | { | |
1359 | fprintf (config.map_file, "*"); | |
1360 | } | |
1361 | if (w->section_name != (char *) NULL) | |
1362 | { | |
1363 | fprintf (config.map_file, "(%s)", w->section_name); | |
1364 | } | |
1365 | else | |
1366 | { | |
1367 | fprintf (config.map_file, "(*)"); | |
1368 | } | |
1369 | print_nl (); | |
1370 | print_statement (w->children.head, os); | |
2fa0b342 DHW |
1371 | |
1372 | } | |
1373 | static void | |
8ddef552 DM |
1374 | print_statement (s, os) |
1375 | lang_statement_union_type * s; | |
1376 | lang_output_section_statement_type * os; | |
2fa0b342 | 1377 | { |
075d7359 | 1378 | while (s) |
c611e285 | 1379 | { |
075d7359 | 1380 | switch (s->header.type) |
c611e285 | 1381 | { |
075d7359 SC |
1382 | case lang_constructors_statement_enum: |
1383 | fprintf (config.map_file, "constructors:\n"); | |
1384 | print_statement (constructor_list.head, os); | |
1385 | break; | |
1386 | case lang_wild_statement_enum: | |
1387 | print_wild_statement (&s->wild_statement, os); | |
1388 | break; | |
1389 | default: | |
1390 | fprintf (config.map_file, "Fail with %d\n", s->header.type); | |
1391 | FAIL (); | |
1392 | break; | |
1393 | case lang_address_statement_enum: | |
1394 | fprintf (config.map_file, "address\n"); | |
1395 | break; | |
1396 | case lang_object_symbols_statement_enum: | |
1397 | fprintf (config.map_file, "object symbols\n"); | |
1398 | break; | |
1399 | case lang_fill_statement_enum: | |
1400 | print_fill_statement (&s->fill_statement); | |
1401 | break; | |
1402 | case lang_data_statement_enum: | |
1403 | print_data_statement (&s->data_statement); | |
1404 | break; | |
1405 | case lang_input_section_enum: | |
1406 | print_input_section (&s->input_section); | |
1407 | break; | |
1408 | case lang_padding_statement_enum: | |
1409 | print_padding_statement (&s->padding_statement); | |
1410 | break; | |
1411 | case lang_output_section_statement_enum: | |
1412 | print_output_section_statement (&s->output_section_statement); | |
1413 | break; | |
1414 | case lang_assignment_statement_enum: | |
1415 | print_assignment (&s->assignment_statement, | |
1416 | os); | |
1417 | break; | |
1418 | case lang_target_statement_enum: | |
1419 | fprintf (config.map_file, "TARGET(%s)\n", s->target_statement.target); | |
1420 | break; | |
1421 | case lang_output_statement_enum: | |
1422 | fprintf (config.map_file, "OUTPUT(%s %s)\n", | |
c611e285 | 1423 | s->output_statement.name, |
e20873a7 | 1424 | output_target ? output_target : ""); |
075d7359 SC |
1425 | break; |
1426 | case lang_input_statement_enum: | |
1427 | print_input_statement (&s->input_statement); | |
1428 | break; | |
1429 | case lang_afile_asection_pair_statement_enum: | |
1430 | FAIL (); | |
1431 | break; | |
c611e285 | 1432 | } |
075d7359 | 1433 | s = s->next; |
2fa0b342 | 1434 | } |
2fa0b342 DHW |
1435 | } |
1436 | ||
1437 | ||
1438 | static void | |
8ddef552 | 1439 | print_statements () |
2fa0b342 | 1440 | { |
075d7359 SC |
1441 | print_statement (statement_list.head, |
1442 | abs_output_section); | |
1443 | ||
2fa0b342 DHW |
1444 | } |
1445 | ||
1446 | static bfd_vma | |
075d7359 | 1447 | DEFUN (insert_pad, (this_ptr, fill, power, output_section_statement, dot), |
8ddef552 DM |
1448 | lang_statement_union_type ** this_ptr AND |
1449 | fill_type fill AND | |
1450 | unsigned int power AND | |
1451 | asection * output_section_statement AND | |
1452 | bfd_vma dot) | |
075d7359 SC |
1453 | { |
1454 | /* Align this section first to the | |
2fa0b342 DHW |
1455 | input sections requirement, then |
1456 | to the output section's requirement. | |
075d7359 | 1457 | If this alignment is > than any seen before, |
2fa0b342 DHW |
1458 | then record it too. Perform the alignment by |
1459 | inserting a magic 'padding' statement. | |
1460 | */ | |
1461 | ||
075d7359 | 1462 | unsigned int alignment_needed = align_power (dot, power) - dot; |
2fa0b342 | 1463 | |
075d7359 | 1464 | if (alignment_needed != 0) |
2fa0b342 | 1465 | { |
075d7359 SC |
1466 | lang_statement_union_type *new = |
1467 | (lang_statement_union_type *) | |
1468 | stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type))); | |
1469 | ||
2fa0b342 DHW |
1470 | /* Link into existing chain */ |
1471 | new->header.next = *this_ptr; | |
1472 | *this_ptr = new; | |
1473 | new->header.type = lang_padding_statement_enum; | |
1474 | new->padding_statement.output_section = output_section_statement; | |
1475 | new->padding_statement.output_offset = | |
1476 | dot - output_section_statement->vma; | |
1477 | new->padding_statement.fill = fill; | |
1478 | new->padding_statement.size = alignment_needed; | |
1479 | } | |
1480 | ||
1481 | ||
1482 | /* Remember the most restrictive alignment */ | |
075d7359 SC |
1483 | if (power > output_section_statement->alignment_power) |
1484 | { | |
1485 | output_section_statement->alignment_power = power; | |
1486 | } | |
c611e285 | 1487 | output_section_statement->_raw_size += alignment_needed; |
2fa0b342 DHW |
1488 | return alignment_needed + dot; |
1489 | ||
1490 | } | |
1491 | ||
1418c83b | 1492 | /* Work out how much this section will move the dot point */ |
075d7359 | 1493 | static bfd_vma |
8ddef552 DM |
1494 | DEFUN (size_input_section, (this_ptr, output_section_statement, fill, dot, relax), |
1495 | lang_statement_union_type ** this_ptr AND | |
1496 | lang_output_section_statement_type * output_section_statement AND | |
1497 | unsigned short fill AND | |
1498 | bfd_vma dot AND | |
1499 | boolean relax) | |
2fa0b342 DHW |
1500 | { |
1501 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1502 | asection *i = is->section; | |
2fa0b342 | 1503 | |
075d7359 SC |
1504 | if (is->ifile->just_syms_flag == false) |
1505 | { | |
e20873a7 JG |
1506 | if (output_section_statement->subsection_alignment != -1) |
1507 | i->alignment_power = | |
1508 | output_section_statement->subsection_alignment; | |
1509 | ||
075d7359 SC |
1510 | dot = insert_pad (this_ptr, fill, i->alignment_power, |
1511 | output_section_statement->bfd_section, dot); | |
1512 | ||
1513 | /* remember the largest size so we can malloc the largest area | |
1514 | needed for the output stage. Only remember the size of sections | |
1515 | which we will actually allocate */ | |
8ddef552 | 1516 | if ((i->flags & SEC_HAS_CONTENTS) != 0 |
075d7359 SC |
1517 | && (bfd_get_section_size_before_reloc (i) > largest_section)) |
1518 | { | |
1519 | largest_section = bfd_get_section_size_before_reloc (i); | |
1520 | } | |
2fa0b342 | 1521 | |
075d7359 | 1522 | /* Remember where in the output section this input section goes */ |
ac004870 | 1523 | |
075d7359 SC |
1524 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1525 | ||
ae475b39 SC |
1526 | /* Mark how big the output section must be to contain this now |
1527 | */ | |
1528 | if (relax) | |
1529 | { | |
1530 | dot += i->_cooked_size; | |
1531 | } | |
1532 | else | |
1533 | { | |
1534 | dot += i->_raw_size; | |
1535 | } | |
1536 | output_section_statement->bfd_section->_raw_size = dot - output_section_statement->bfd_section->vma; | |
075d7359 | 1537 | } |
ac004870 | 1538 | else |
075d7359 SC |
1539 | { |
1540 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1541 | } | |
2fa0b342 | 1542 | |
075d7359 | 1543 | return dot; |
2fa0b342 DHW |
1544 | } |
1545 | ||
c611e285 SC |
1546 | /* Sizing happens in two passes, first pass we allocate worst case |
1547 | stuff. The second pass (if relaxing), we use what we learnt to | |
1548 | change the size of some relocs from worst case to better | |
1549 | */ | |
1550 | static boolean had_relax; | |
1551 | ||
1552 | static bfd_vma | |
8ddef552 DM |
1553 | DEFUN (lang_size_sections, (s, output_section_statement, prev, fill, dot, relax), |
1554 | lang_statement_union_type * s AND | |
1555 | lang_output_section_statement_type * output_section_statement AND | |
1556 | lang_statement_union_type ** prev AND | |
1557 | unsigned short fill AND | |
1558 | bfd_vma dot AND | |
1559 | boolean relax) | |
c611e285 SC |
1560 | { |
1561 | /* Size up the sections from their constituent parts */ | |
075d7359 | 1562 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
ae475b39 SC |
1563 | { |
1564 | switch (s->header.type) | |
075d7359 | 1565 | { |
c611e285 | 1566 | |
ae475b39 SC |
1567 | case lang_output_section_statement_enum: |
1568 | { | |
1569 | bfd_vma after; | |
1570 | lang_output_section_statement_type *os = &s->output_section_statement; | |
1571 | ||
e20873a7 JG |
1572 | /* If this is a shared library section, don't change the size |
1573 | and address. */ | |
1574 | if (os->bfd_section->flags & SEC_SHARED_LIBRARY) | |
e9b63852 ILT |
1575 | break; |
1576 | ||
ae475b39 SC |
1577 | if (os->bfd_section == &bfd_abs_section) |
1578 | { | |
1579 | /* No matter what happens, an abs section starts at zero */ | |
1580 | bfd_set_section_vma (0, os->bfd_section, 0); | |
1581 | } | |
1582 | else | |
1583 | { | |
1584 | if (os->addr_tree == (etree_type *) NULL) | |
1585 | { | |
1586 | /* No address specified for this section, get one | |
1587 | from the region specification | |
1588 | */ | |
1589 | if (os->region == (lang_memory_region_type *) NULL) | |
1590 | { | |
1591 | os->region = lang_memory_region_lookup ("*default*"); | |
1592 | } | |
1593 | dot = os->region->current; | |
1594 | } | |
1595 | else | |
1596 | { | |
1597 | etree_value_type r; | |
1598 | ||
1599 | r = exp_fold_tree (os->addr_tree, | |
1600 | abs_output_section, | |
1601 | lang_allocating_phase_enum, | |
1602 | dot, &dot); | |
1603 | if (r.valid == false) | |
1604 | { | |
1605 | einfo ("%F%S: non constant address expression for section %s\n", | |
1606 | os->name); | |
1607 | } | |
1608 | dot = r.value; | |
1609 | } | |
1610 | /* The section starts here */ | |
1611 | /* First, align to what the section needs */ | |
1612 | ||
1613 | ||
1614 | dot = align_power (dot, os->bfd_section->alignment_power); | |
1615 | bfd_set_section_vma (0, os->bfd_section, dot); | |
9fce28ed SC |
1616 | |
1617 | if (os->load_base) { | |
1618 | os->bfd_section->lma | |
1619 | = exp_get_value_int(os->load_base, 0,"load base", lang_final_phase_enum); | |
1620 | } | |
ae475b39 SC |
1621 | } |
1622 | ||
1623 | ||
1624 | os->bfd_section->output_offset = 0; | |
1625 | ||
1626 | (void) lang_size_sections (os->children.head, os, &os->children.head, | |
1627 | os->fill, dot, relax); | |
1628 | /* Ignore the size of the input sections, use the vma and size to */ | |
1629 | /* align against */ | |
1630 | ||
8ddef552 | 1631 | after = ALIGN_N (os->bfd_section->vma + |
97fbbaca JL |
1632 | os->bfd_section->_raw_size, |
1633 | /* The coercion here is important, see ld.h. */ | |
1634 | (bfd_vma) os->block_value); | |
ae475b39 SC |
1635 | |
1636 | os->bfd_section->_raw_size = after - os->bfd_section->vma; | |
1637 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1638 | os->processed = true; | |
1639 | ||
1640 | /* Replace into region ? */ | |
1641 | if (os->addr_tree == (etree_type *) NULL | |
1642 | && os->region != (lang_memory_region_type *) NULL) | |
1643 | { | |
1644 | os->region->current = dot; | |
1645 | /* Make sure this isn't silly */ | |
9fce28ed SC |
1646 | if (( os->region->current |
1647 | > os->region->origin + os->region->length) | |
1648 | || ( os->region->origin > os->region->current )) | |
1649 | { | |
ddddcdf0 | 1650 | einfo ("%X%P: region %s is full (%B section %s)\n", |
9fce28ed SC |
1651 | os->region->name, |
1652 | os->bfd_section->owner, | |
1653 | os->bfd_section->name); | |
1654 | /* Reset the region pointer */ | |
1655 | os->region->current = 0; | |
ae475b39 | 1656 | |
9fce28ed | 1657 | } |
ae475b39 SC |
1658 | |
1659 | } | |
1660 | } | |
9d1fe8a4 | 1661 | |
ae475b39 SC |
1662 | break; |
1663 | case lang_constructors_statement_enum: | |
1664 | dot = lang_size_sections (constructor_list.head, | |
1665 | output_section_statement, | |
1666 | &s->wild_statement.children.head, | |
1667 | fill, | |
1668 | dot, relax); | |
1669 | break; | |
9d1fe8a4 | 1670 | |
ae475b39 SC |
1671 | case lang_data_statement_enum: |
1672 | { | |
1673 | unsigned int size = 0; | |
1674 | ||
1675 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; | |
1676 | s->data_statement.output_section = | |
1677 | output_section_statement->bfd_section; | |
1678 | ||
1679 | switch (s->data_statement.type) | |
1680 | { | |
1681 | case LONG: | |
1682 | size = LONG_SIZE; | |
1683 | break; | |
1684 | case SHORT: | |
1685 | size = SHORT_SIZE; | |
1686 | break; | |
1687 | case BYTE: | |
1688 | size = BYTE_SIZE; | |
1689 | break; | |
1690 | ||
1691 | } | |
1692 | dot += size; | |
1693 | output_section_statement->bfd_section->_raw_size += size; | |
1694 | } | |
1695 | break; | |
c611e285 | 1696 | |
ae475b39 | 1697 | case lang_wild_statement_enum: |
c611e285 | 1698 | |
ae475b39 SC |
1699 | dot = lang_size_sections (s->wild_statement.children.head, |
1700 | output_section_statement, | |
1701 | &s->wild_statement.children.head, | |
c611e285 | 1702 | |
ae475b39 | 1703 | fill, dot, relax); |
c611e285 | 1704 | |
ae475b39 | 1705 | break; |
c611e285 | 1706 | |
ae475b39 SC |
1707 | case lang_object_symbols_statement_enum: |
1708 | create_object_symbols = output_section_statement; | |
1709 | break; | |
1710 | case lang_output_statement_enum: | |
1711 | case lang_target_statement_enum: | |
1712 | break; | |
1713 | case lang_input_section_enum: | |
1714 | if (relax) | |
1715 | { | |
1716 | relaxing = true; | |
c611e285 | 1717 | |
ae475b39 SC |
1718 | if( relax_section (prev)) |
1719 | had_relax = true; | |
1720 | relaxing = false; | |
075d7359 | 1721 | |
ae475b39 SC |
1722 | } |
1723 | else { | |
1724 | (*prev)->input_section.section->_cooked_size = | |
1725 | (*prev)->input_section.section->_raw_size ; | |
075d7359 | 1726 | |
ae475b39 SC |
1727 | } |
1728 | dot = size_input_section (prev, | |
1729 | output_section_statement, | |
1730 | output_section_statement->fill, | |
1731 | dot, relax); | |
1732 | break; | |
1733 | case lang_input_statement_enum: | |
1734 | break; | |
1735 | case lang_fill_statement_enum: | |
1736 | s->fill_statement.output_section = output_section_statement->bfd_section; | |
075d7359 | 1737 | |
ae475b39 SC |
1738 | fill = s->fill_statement.fill; |
1739 | break; | |
1740 | case lang_assignment_statement_enum: | |
1741 | { | |
1742 | bfd_vma newdot = dot; | |
1743 | ||
1744 | exp_fold_tree (s->assignment_statement.exp, | |
1745 | output_section_statement, | |
1746 | lang_allocating_phase_enum, | |
1747 | dot, | |
1748 | &newdot); | |
1749 | ||
1750 | if (newdot != dot && !relax) | |
1751 | /* We've been moved ! so insert a pad */ | |
1752 | { | |
1753 | lang_statement_union_type *new = | |
1754 | (lang_statement_union_type *) | |
1755 | stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type))); | |
1756 | ||
1757 | /* Link into existing chain */ | |
1758 | new->header.next = *prev; | |
1759 | *prev = new; | |
1760 | new->header.type = lang_padding_statement_enum; | |
1761 | new->padding_statement.output_section = | |
1762 | output_section_statement->bfd_section; | |
1763 | new->padding_statement.output_offset = | |
1764 | dot - output_section_statement->bfd_section->vma; | |
1765 | new->padding_statement.fill = fill; | |
1766 | new->padding_statement.size = newdot - dot; | |
1767 | output_section_statement->bfd_section->_raw_size += | |
1768 | new->padding_statement.size; | |
1769 | dot = newdot; | |
1770 | } | |
1771 | } | |
075d7359 | 1772 | |
ae475b39 SC |
1773 | break; |
1774 | default: | |
1775 | FAIL (); | |
1776 | break; | |
1777 | /* This can only get here when relaxing is turned on */ | |
1778 | case lang_padding_statement_enum: | |
075d7359 | 1779 | |
ae475b39 SC |
1780 | case lang_address_statement_enum: |
1781 | break; | |
075d7359 | 1782 | } |
ae475b39 SC |
1783 | prev = &s->header.next; |
1784 | } | |
c611e285 SC |
1785 | return dot; |
1786 | } | |
9d1fe8a4 | 1787 | |
2fa0b342 | 1788 | static bfd_vma |
075d7359 | 1789 | DEFUN (lang_do_assignments, (s, output_section_statement, fill, dot), |
8ddef552 DM |
1790 | lang_statement_union_type * s AND |
1791 | lang_output_section_statement_type * output_section_statement AND | |
1792 | unsigned short fill AND | |
1793 | bfd_vma dot) | |
2fa0b342 DHW |
1794 | { |
1795 | ||
075d7359 | 1796 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1797 | { |
075d7359 | 1798 | switch (s->header.type) |
2fa0b342 | 1799 | { |
075d7359 SC |
1800 | case lang_constructors_statement_enum: |
1801 | dot = lang_do_assignments (constructor_list.head, | |
1802 | output_section_statement, | |
1803 | fill, | |
1804 | dot); | |
1805 | break; | |
1806 | ||
1807 | case lang_output_section_statement_enum: | |
1808 | { | |
1809 | lang_output_section_statement_type *os = | |
2fa0b342 | 1810 | &(s->output_section_statement); |
2fa0b342 | 1811 | |
075d7359 SC |
1812 | dot = os->bfd_section->vma; |
1813 | (void) lang_do_assignments (os->children.head, os, os->fill, dot); | |
1814 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1815 | } | |
1816 | break; | |
1817 | case lang_wild_statement_enum: | |
2fa0b342 | 1818 | |
075d7359 SC |
1819 | dot = lang_do_assignments (s->wild_statement.children.head, |
1820 | output_section_statement, | |
1821 | fill, dot); | |
2fa0b342 | 1822 | |
075d7359 SC |
1823 | break; |
1824 | ||
1825 | case lang_object_symbols_statement_enum: | |
1826 | case lang_output_statement_enum: | |
1827 | case lang_target_statement_enum: | |
1418c83b | 1828 | #if 0 |
075d7359 | 1829 | case lang_common_statement_enum: |
1418c83b | 1830 | #endif |
2fa0b342 | 1831 | break; |
075d7359 SC |
1832 | case lang_data_statement_enum: |
1833 | { | |
1834 | etree_value_type value; | |
1835 | ||
1836 | value = exp_fold_tree (s->data_statement.exp, | |
1837 | abs_output_section, | |
1838 | lang_final_phase_enum, dot, &dot); | |
1839 | s->data_statement.value = value.value; | |
1840 | if (value.valid == false) | |
ddddcdf0 | 1841 | einfo ("%F%P: invalid data statement\n"); |
075d7359 SC |
1842 | } |
1843 | switch (s->data_statement.type) | |
1844 | { | |
1845 | case LONG: | |
1846 | dot += LONG_SIZE; | |
1847 | break; | |
1848 | case SHORT: | |
1849 | dot += SHORT_SIZE; | |
1850 | break; | |
1851 | case BYTE: | |
1852 | dot += BYTE_SIZE; | |
1853 | break; | |
1854 | } | |
2fa0b342 | 1855 | break; |
075d7359 SC |
1856 | case lang_input_section_enum: |
1857 | { | |
1858 | asection *in = s->input_section.section; | |
1859 | ||
1860 | dot += bfd_get_section_size_before_reloc (in); | |
1861 | } | |
2fa0b342 | 1862 | break; |
2fa0b342 | 1863 | |
075d7359 SC |
1864 | case lang_input_statement_enum: |
1865 | break; | |
1866 | case lang_fill_statement_enum: | |
1867 | fill = s->fill_statement.fill; | |
1868 | break; | |
1869 | case lang_assignment_statement_enum: | |
1870 | { | |
1871 | exp_fold_tree (s->assignment_statement.exp, | |
1872 | output_section_statement, | |
1873 | lang_final_phase_enum, | |
1874 | dot, | |
1875 | &dot); | |
1876 | } | |
1877 | ||
1878 | break; | |
1879 | case lang_padding_statement_enum: | |
1880 | dot += s->padding_statement.size; | |
1881 | break; | |
1882 | default: | |
1883 | FAIL (); | |
1884 | break; | |
1885 | case lang_address_statement_enum: | |
1886 | break; | |
1887 | } | |
2fa0b342 DHW |
1888 | |
1889 | } | |
1890 | return dot; | |
1891 | } | |
1892 | ||
1893 | ||
1894 | ||
075d7359 | 1895 | static void |
8ddef552 | 1896 | lang_relocate_globals () |
075d7359 | 1897 | { |
2fa0b342 | 1898 | /* |
1418c83b SC |
1899 | Each ldsym_type maintains a chain of pointers to asymbols which |
1900 | references the definition. Replace each pointer to the referenence | |
1901 | with a pointer to only one place, preferably the definition. If | |
1902 | the defintion isn't available then the common symbol, and if | |
1903 | there isn't one of them then choose one reference. | |
1904 | */ | |
2fa0b342 | 1905 | |
075d7359 SC |
1906 | FOR_EACH_LDSYM (lgs) |
1907 | { | |
2fa0b342 | 1908 | asymbol *it; |
55636aa7 ILT |
1909 | |
1910 | /* Skip indirect symbols. */ | |
1911 | if (lgs->flags & SYM_INDIRECT) | |
1912 | continue; | |
2fa0b342 | 1913 | |
075d7359 SC |
1914 | if (lgs->sdefs_chain) |
1915 | { | |
1916 | it = *(lgs->sdefs_chain); | |
1917 | } | |
1918 | else if (lgs->scoms_chain != (asymbol **) NULL) | |
1919 | { | |
1920 | it = *(lgs->scoms_chain); | |
1921 | } | |
1922 | else if (lgs->srefs_chain != (asymbol **) NULL) | |
1923 | { | |
1924 | it = *(lgs->srefs_chain); | |
1925 | } | |
1926 | else | |
1927 | { | |
1928 | /* This can happen when the command line asked for a symbol to | |
1929 | be -u */ | |
1930 | it = (asymbol *) NULL; | |
1931 | } | |
1932 | if (it != (asymbol *) NULL) | |
1933 | { | |
29f33467 | 1934 | asymbol **prev = 0; |
075d7359 SC |
1935 | asymbol **ptr = lgs->srefs_chain;; |
1936 | if (lgs->flags & SYM_WARNING) | |
1937 | { | |
1938 | produce_warnings (lgs, it); | |
1939 | } | |
1940 | ||
29f33467 SC |
1941 | while (ptr != (asymbol **) NULL |
1942 | && ptr != prev) | |
075d7359 | 1943 | { |
1418c83b | 1944 | asymbol *ref = *ptr; |
29f33467 | 1945 | prev = ptr; |
1418c83b | 1946 | *ptr = it; |
075d7359 | 1947 | ptr = (asymbol **) (ref->udata); |
1418c83b | 1948 | } |
075d7359 | 1949 | } |
2fa0b342 DHW |
1950 | } |
1951 | } | |
1952 | ||
1953 | ||
1954 | ||
2fa0b342 | 1955 | static void |
8ddef552 | 1956 | lang_finish () |
2fa0b342 DHW |
1957 | { |
1958 | ldsym_type *lgs; | |
81150d34 | 1959 | int warn = config.relocateable_output != true; |
075d7359 | 1960 | if (entry_symbol == (char *) NULL) |
22a78f0d SC |
1961 | { |
1962 | /* No entry has been specified, look for start, but don't warn */ | |
1963 | entry_symbol = "start"; | |
1964 | warn =0; | |
1965 | } | |
075d7359 SC |
1966 | lgs = ldsym_get_soft (entry_symbol); |
1967 | if (lgs && lgs->sdefs_chain) | |
22a78f0d SC |
1968 | { |
1969 | asymbol *sy = *(lgs->sdefs_chain); | |
075d7359 | 1970 | |
22a78f0d SC |
1971 | /* We can set the entry address*/ |
1972 | bfd_set_start_address (output_bfd, | |
1973 | outside_symbol_address (sy)); | |
2fa0b342 | 1974 | |
22a78f0d | 1975 | } |
075d7359 | 1976 | else |
22a78f0d | 1977 | { |
ddddcdf0 | 1978 | /* Cannot find anything reasonable, |
22a78f0d SC |
1979 | use the first address in the text section |
1980 | */ | |
1981 | asection *ts = bfd_get_section_by_name (output_bfd, ".text"); | |
1982 | if (ts) | |
075d7359 | 1983 | { |
22a78f0d | 1984 | if (warn) |
ddddcdf0 | 1985 | einfo ("%P: warning: cannot find entry symbol %s, defaulting to %V\n", |
22a78f0d | 1986 | entry_symbol, ts->vma); |
075d7359 | 1987 | |
22a78f0d | 1988 | bfd_set_start_address (output_bfd, ts->vma); |
075d7359 | 1989 | } |
22a78f0d SC |
1990 | else |
1991 | { | |
1992 | if (warn) | |
ddddcdf0 | 1993 | einfo ("%P: warning: cannot find entry symbol %s, not setting start address\n", |
22a78f0d SC |
1994 | entry_symbol); |
1995 | } | |
1996 | } | |
2fa0b342 DHW |
1997 | } |
1998 | ||
1999 | /* By now we know the target architecture, and we may have an */ | |
2000 | /* ldfile_output_machine_name */ | |
2001 | static void | |
8ddef552 | 2002 | lang_check () |
2fa0b342 DHW |
2003 | { |
2004 | lang_statement_union_type *file; | |
075d7359 SC |
2005 | bfd *input_bfd; |
2006 | unsigned long input_machine; | |
2007 | enum bfd_architecture input_architecture; | |
2008 | CONST bfd_arch_info_type *compatible; | |
7bc4a0d7 | 2009 | |
2fa0b342 | 2010 | for (file = file_chain.head; |
075d7359 SC |
2011 | file != (lang_statement_union_type *) NULL; |
2012 | file = file->input_statement.next) | |
2013 | { | |
075d7359 | 2014 | input_bfd = file->input_statement.the_bfd; |
7bc4a0d7 | 2015 | |
075d7359 SC |
2016 | input_machine = bfd_get_mach (input_bfd); |
2017 | input_architecture = bfd_get_arch (input_bfd); | |
7bc4a0d7 | 2018 | |
7bc4a0d7 | 2019 | |
075d7359 SC |
2020 | /* Inspect the architecture and ensure we're linking like with |
2021 | like */ | |
7bc4a0d7 | 2022 | |
075d7359 SC |
2023 | compatible = bfd_arch_get_compatible (input_bfd, |
2024 | output_bfd); | |
22a78f0d | 2025 | |
075d7359 SC |
2026 | if (compatible) |
2027 | { | |
2028 | ldfile_output_machine = compatible->mach; | |
2029 | ldfile_output_architecture = compatible->arch; | |
2030 | } | |
2031 | else | |
2032 | { | |
7bc4a0d7 | 2033 | |
a4aeaacf | 2034 | info_msg ("%P: warning: %s architecture of input file `%B' is incompatible with %s output\n", |
075d7359 SC |
2035 | bfd_printable_name (input_bfd), input_bfd, |
2036 | bfd_printable_name (output_bfd)); | |
7bc4a0d7 | 2037 | |
ddddcdf0 ILT |
2038 | if (! bfd_set_arch_mach (output_bfd, |
2039 | input_architecture, | |
2040 | input_machine)) | |
2041 | einfo ("%P%F:%s: can't set architecture: %E\n", | |
2042 | bfd_get_filename (output_bfd)); | |
075d7359 | 2043 | } |
2fa0b342 | 2044 | |
075d7359 SC |
2045 | } |
2046 | } | |
2fa0b342 DHW |
2047 | |
2048 | /* | |
075d7359 SC |
2049 | * run through all the global common symbols and tie them |
2050 | * to the output section requested. | |
b6316534 SC |
2051 | * |
2052 | As an experiment we do this 4 times, once for all the byte sizes, | |
2053 | then all the two bytes, all the four bytes and then everything else | |
2054 | */ | |
2fa0b342 DHW |
2055 | |
2056 | static void | |
8ddef552 | 2057 | lang_common () |
2fa0b342 DHW |
2058 | { |
2059 | ldsym_type *lgs; | |
b6316534 | 2060 | size_t power; |
075d7359 | 2061 | |
2fa0b342 | 2062 | if (config.relocateable_output == false || |
075d7359 SC |
2063 | command_line.force_common_definition == true) |
2064 | { | |
2065 | for (power = 1; (config.sort_common == true && power == 1) || (power <= 16); power <<= 1) | |
1418c83b | 2066 | { |
075d7359 SC |
2067 | for (lgs = symbol_head; |
2068 | lgs != (ldsym_type *) NULL; | |
2069 | lgs = lgs->next) | |
2070 | { | |
2071 | asymbol *com; | |
2072 | unsigned int power_of_two; | |
2073 | size_t size; | |
2074 | size_t align; | |
1418c83b | 2075 | |
075d7359 | 2076 | if (lgs->scoms_chain != (asymbol **) NULL) |
1418c83b | 2077 | { |
075d7359 SC |
2078 | com = *(lgs->scoms_chain); |
2079 | size = com->value; | |
2080 | switch (size) | |
2081 | { | |
2082 | case 0: | |
2083 | case 1: | |
2084 | align = 1; | |
2085 | power_of_two = 0; | |
2086 | break; | |
2087 | case 2: | |
2088 | power_of_two = 1; | |
2089 | align = 2; | |
2090 | break; | |
2091 | case 3: | |
2092 | case 4: | |
2093 | power_of_two = 2; | |
2094 | align = 4; | |
2095 | break; | |
2096 | case 5: | |
2097 | case 6: | |
2098 | case 7: | |
2099 | case 8: | |
2100 | power_of_two = 3; | |
2101 | align = 8; | |
2102 | break; | |
2103 | default: | |
2104 | power_of_two = 4; | |
2105 | align = 16; | |
2106 | break; | |
2107 | } | |
2108 | if (config.sort_common == false || align == power) | |
2109 | { | |
29f33467 SC |
2110 | bfd *symbfd; |
2111 | ||
075d7359 SC |
2112 | /* Change from a common symbol into a definition of |
2113 | a symbol */ | |
2114 | lgs->sdefs_chain = lgs->scoms_chain; | |
2115 | lgs->scoms_chain = (asymbol **) NULL; | |
2116 | commons_pending--; | |
29f33467 | 2117 | |
075d7359 | 2118 | /* Point to the correct common section */ |
29f33467 SC |
2119 | symbfd = bfd_asymbol_bfd (com); |
2120 | if (com->section == &bfd_com_section) | |
2121 | com->section = | |
2122 | ((lang_input_statement_type *) symbfd->usrdata) | |
2123 | ->common_section; | |
2124 | else | |
2125 | { | |
2126 | CONST char *name; | |
2127 | asection *newsec; | |
2128 | ||
2129 | name = bfd_get_section_name (symbfd, | |
2130 | com->section); | |
2131 | newsec = bfd_get_section_by_name (symbfd, | |
2132 | name); | |
2c6635a4 ILT |
2133 | /* This section should have been created by |
2134 | enter_file_symbols if it did not already | |
2135 | exist. */ | |
29f33467 | 2136 | if (newsec == (asection *) NULL) |
2c6635a4 | 2137 | einfo ("%P%F: no output section %s\n", name); |
29f33467 SC |
2138 | com->section = newsec; |
2139 | } | |
2140 | ||
075d7359 SC |
2141 | /* Fix the size of the common section */ |
2142 | ||
2143 | com->section->_raw_size = | |
97fbbaca JL |
2144 | ALIGN_N (com->section->_raw_size, |
2145 | /* The coercion here is important, see ld.h. */ | |
2146 | (bfd_vma) align); | |
075d7359 SC |
2147 | |
2148 | /* Remember if this is the biggest alignment ever seen */ | |
2149 | if (power_of_two > com->section->alignment_power) | |
2150 | { | |
2151 | com->section->alignment_power = power_of_two; | |
2152 | } | |
2153 | ||
2154 | /* Symbol stops being common and starts being global, but | |
2155 | we remember that it was common once. */ | |
2156 | ||
2157 | com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON; | |
2158 | com->value = com->section->_raw_size; | |
2159 | ||
29f33467 | 2160 | if (write_map && config.map_file) |
075d7359 SC |
2161 | { |
2162 | fprintf (config.map_file, "Allocating common %s: %x at %x %s\n", | |
2163 | lgs->name, | |
2164 | (unsigned) size, | |
2165 | (unsigned) com->value, | |
29f33467 | 2166 | bfd_asymbol_bfd(com)->filename); |
075d7359 SC |
2167 | } |
2168 | ||
2169 | com->section->_raw_size += size; | |
2170 | ||
2171 | } | |
1418c83b | 2172 | } |
097879bc | 2173 | |
b6316534 | 2174 | } |
2fa0b342 | 2175 | } |
b6316534 | 2176 | } |
1418c83b SC |
2177 | |
2178 | ||
2fa0b342 DHW |
2179 | } |
2180 | ||
2181 | /* | |
075d7359 | 2182 | run through the input files and ensure that every input |
2fa0b342 DHW |
2183 | section has somewhere to go. If one is found without |
2184 | a destination then create an input request and place it | |
2185 | into the statement tree. | |
2186 | */ | |
2187 | ||
075d7359 | 2188 | static void |
8ddef552 | 2189 | lang_place_orphans () |
2fa0b342 DHW |
2190 | { |
2191 | lang_input_statement_type *file; | |
1418c83b | 2192 | |
075d7359 SC |
2193 | for (file = (lang_input_statement_type *) file_chain.head; |
2194 | file != (lang_input_statement_type *) NULL; | |
2195 | file = (lang_input_statement_type *) file->next) | |
2196 | { | |
2197 | asection *s; | |
2198 | ||
2199 | for (s = file->the_bfd->sections; | |
2200 | s != (asection *) NULL; | |
2201 | s = s->next) | |
2202 | { | |
2203 | if (s->output_section == (asection *) NULL) | |
2204 | { | |
2205 | /* This section of the file is not attatched, root | |
2206 | around for a sensible place for it to go */ | |
2207 | ||
2208 | if (file->common_section == s) | |
2209 | { | |
2210 | /* This is a lonely common section which must | |
2211 | have come from an archive. We attatch to the | |
2212 | section with the wildcard */ | |
2213 | if (config.relocateable_output != true | |
2214 | && command_line.force_common_definition == false) | |
2215 | { | |
2216 | if (default_common_section == | |
2217 | (lang_output_section_statement_type *) NULL) | |
2218 | { | |
a4aeaacf | 2219 | info_msg ("%P: no [COMMON] command, defaulting to .bss\n"); |
075d7359 SC |
2220 | |
2221 | default_common_section = | |
2222 | lang_output_section_statement_lookup (".bss"); | |
2223 | ||
2224 | } | |
2225 | wild_doit (&default_common_section->children, s, | |
2226 | default_common_section, file); | |
2227 | } | |
2228 | } | |
2229 | else | |
2230 | { | |
2231 | lang_output_section_statement_type *os = | |
2232 | lang_output_section_statement_lookup (s->name); | |
2fa0b342 | 2233 | |
075d7359 SC |
2234 | wild_doit (&os->children, s, os, file); |
2235 | } | |
2236 | } | |
2fa0b342 | 2237 | } |
2fa0b342 | 2238 | } |
2fa0b342 DHW |
2239 | } |
2240 | ||
2241 | ||
2fa0b342 | 2242 | void |
8ddef552 DM |
2243 | lang_set_flags (ptr, flags) |
2244 | int *ptr; | |
2245 | CONST char *flags; | |
2fa0b342 | 2246 | { |
075d7359 SC |
2247 | boolean state = false; |
2248 | ||
2249 | *ptr = 0; | |
2fa0b342 | 2250 | while (*flags) |
075d7359 SC |
2251 | { |
2252 | if (*flags == '!') | |
2253 | { | |
2254 | state = false; | |
2255 | flags++; | |
2256 | } | |
2257 | else | |
2258 | state = true; | |
2259 | switch (*flags) | |
2260 | { | |
2261 | case 'R': | |
2262 | /* ptr->flag_read = state; */ | |
2263 | break; | |
2264 | case 'W': | |
2265 | /* ptr->flag_write = state; */ | |
2266 | break; | |
2267 | case 'X': | |
2268 | /* ptr->flag_executable= state;*/ | |
2269 | break; | |
2270 | case 'L': | |
2271 | case 'I': | |
2272 | /* ptr->flag_loadable= state;*/ | |
2273 | break; | |
2274 | default: | |
ddddcdf0 | 2275 | einfo ("%P%F: invalid syntax in flags\n"); |
075d7359 SC |
2276 | break; |
2277 | } | |
dc4726c2 SC |
2278 | flags++; |
2279 | } | |
2fa0b342 DHW |
2280 | } |
2281 | ||
2282 | ||
2283 | ||
2284 | void | |
8ddef552 DM |
2285 | lang_for_each_file (func) |
2286 | void (*func) PARAMS ((lang_input_statement_type *)); | |
2fa0b342 DHW |
2287 | { |
2288 | lang_input_statement_type *f; | |
075d7359 SC |
2289 | |
2290 | for (f = (lang_input_statement_type *) file_chain.head; | |
2291 | f != (lang_input_statement_type *) NULL; | |
2292 | f = (lang_input_statement_type *) f->next) | |
2293 | { | |
2294 | func (f); | |
2295 | } | |
2fa0b342 DHW |
2296 | } |
2297 | ||
2298 | ||
2299 | void | |
8ddef552 DM |
2300 | lang_for_each_input_section (func) |
2301 | void (*func) PARAMS ((bfd * ab, asection * as)); | |
2fa0b342 DHW |
2302 | { |
2303 | lang_input_statement_type *f; | |
075d7359 SC |
2304 | |
2305 | for (f = (lang_input_statement_type *) file_chain.head; | |
2306 | f != (lang_input_statement_type *) NULL; | |
2307 | f = (lang_input_statement_type *) f->next) | |
2fa0b342 DHW |
2308 | { |
2309 | asection *s; | |
075d7359 | 2310 | |
2fa0b342 | 2311 | for (s = f->the_bfd->sections; |
075d7359 SC |
2312 | s != (asection *) NULL; |
2313 | s = s->next) | |
2314 | { | |
2315 | func (f->the_bfd, s); | |
2316 | } | |
2fa0b342 DHW |
2317 | } |
2318 | } | |
2319 | ||
2320 | ||
2321 | ||
075d7359 | 2322 | void |
8ddef552 DM |
2323 | ldlang_add_file (entry) |
2324 | lang_input_statement_type * entry; | |
2fa0b342 | 2325 | { |
1418c83b | 2326 | |
075d7359 SC |
2327 | lang_statement_append (&file_chain, |
2328 | (lang_statement_union_type *) entry, | |
2329 | &entry->next); | |
2fa0b342 DHW |
2330 | } |
2331 | ||
2fa0b342 | 2332 | void |
2c6635a4 | 2333 | lang_add_output (name, from_script) |
8ddef552 | 2334 | CONST char *name; |
2c6635a4 | 2335 | int from_script; |
2fa0b342 | 2336 | { |
2c6635a4 ILT |
2337 | /* Make -o on command line override OUTPUT in script. */ |
2338 | if (had_output_filename == false || !from_script) | |
2339 | { | |
2340 | output_filename = name; | |
2341 | had_output_filename = true; | |
2342 | } | |
2fa0b342 DHW |
2343 | } |
2344 | ||
2345 | ||
2346 | static lang_output_section_statement_type *current_section; | |
2347 | ||
e20873a7 JG |
2348 | static int topower(x) |
2349 | int x; | |
2350 | { | |
2351 | unsigned int i = 1; | |
2352 | int l; | |
2353 | if (x < 0) return -1; | |
2354 | for (l = 0; l < 32; l++) | |
2355 | { | |
2356 | if (i >= x) return l; | |
2357 | i<<=1; | |
2358 | } | |
29f33467 | 2359 | return 0; |
e20873a7 | 2360 | } |
2fa0b342 | 2361 | void |
8ddef552 DM |
2362 | lang_enter_output_section_statement (output_section_statement_name, |
2363 | address_exp, flags, block_value, | |
2364 | align, subalign, base) | |
2365 | char *output_section_statement_name; | |
2366 | etree_type * address_exp; | |
2367 | int flags; | |
2368 | bfd_vma block_value; | |
2369 | etree_type *align; | |
2370 | etree_type *subalign; | |
2371 | etree_type *base; | |
2fa0b342 DHW |
2372 | { |
2373 | lang_output_section_statement_type *os; | |
075d7359 SC |
2374 | |
2375 | current_section = | |
e20873a7 | 2376 | os = |
075d7359 SC |
2377 | lang_output_section_statement_lookup (output_section_statement_name); |
2378 | ||
2379 | ||
2fa0b342 | 2380 | |
2fa0b342 DHW |
2381 | /* Add this statement to tree */ |
2382 | /* add_statement(lang_output_section_statement_enum, | |
2383 | output_section_statement);*/ | |
2384 | /* Make next things chain into subchain of this */ | |
2385 | ||
2386 | if (os->addr_tree == | |
075d7359 | 2387 | (etree_type *) NULL) |
e20873a7 JG |
2388 | { |
2389 | os->addr_tree = | |
2390 | address_exp; | |
2391 | } | |
7bc4a0d7 | 2392 | os->flags = flags; |
ae475b39 SC |
2393 | if (flags & SEC_NEVER_LOAD) |
2394 | os->loadable = 0; | |
2395 | else | |
2396 | os->loadable = 1; | |
29f33467 | 2397 | os->block_value = block_value ? block_value : 1; |
075d7359 | 2398 | stat_ptr = &os->children; |
2fa0b342 | 2399 | |
e20873a7 JG |
2400 | os->subsection_alignment = topower( |
2401 | exp_get_value_int(subalign, -1, | |
2402 | "subsection alignment", | |
2403 | 0)); | |
2404 | os->section_alignment = topower( | |
2405 | exp_get_value_int(align, -1, | |
2406 | "section alignment", 0)); | |
9fce28ed SC |
2407 | |
2408 | os->load_base = base; | |
2fa0b342 DHW |
2409 | } |
2410 | ||
9fce28ed | 2411 | |
075d7359 | 2412 | void |
8ddef552 | 2413 | lang_final () |
2fa0b342 | 2414 | { |
2c6635a4 ILT |
2415 | lang_output_statement_type *new = |
2416 | new_stat (lang_output_statement, stat_ptr); | |
2fa0b342 | 2417 | |
2c6635a4 | 2418 | new->name = output_filename; |
075d7359 | 2419 | } |
2fa0b342 | 2420 | |
c611e285 SC |
2421 | /* Reset the current counters in the regions */ |
2422 | static void | |
8ddef552 | 2423 | reset_memory_regions () |
c611e285 | 2424 | { |
075d7359 SC |
2425 | lang_memory_region_type *p = lang_memory_region_list; |
2426 | ||
c611e285 | 2427 | for (p = lang_memory_region_list; |
075d7359 SC |
2428 | p != (lang_memory_region_type *) NULL; |
2429 | p = p->next) | |
2430 | { | |
8ddef552 | 2431 | p->old_length = (bfd_size_type) (p->current - p->origin); |
075d7359 SC |
2432 | p->current = p->origin; |
2433 | } | |
c611e285 | 2434 | } |
2fa0b342 DHW |
2435 | |
2436 | ||
ae475b39 | 2437 | |
1418c83b | 2438 | asymbol * |
075d7359 | 2439 | DEFUN (create_symbol, (name, flags, section), |
8ddef552 DM |
2440 | CONST char *name AND |
2441 | flagword flags AND | |
2442 | asection * section) | |
2fa0b342 DHW |
2443 | { |
2444 | extern lang_input_statement_type *script_file; | |
075d7359 SC |
2445 | asymbol **def_ptr = (asymbol **) stat_alloc ((bfd_size_type) (sizeof (asymbol **))); |
2446 | ||
2fa0b342 | 2447 | /* Add this definition to script file */ |
075d7359 | 2448 | asymbol *def = (asymbol *) bfd_make_empty_symbol (script_file->the_bfd); |
075d7359 | 2449 | def->name = buystring (name); |
2fa0b342 DHW |
2450 | def->udata = 0; |
2451 | def->flags = flags; | |
2452 | def->section = section; | |
2fa0b342 | 2453 | *def_ptr = def; |
ddddcdf0 | 2454 | enter_global_ref (def_ptr, name); |
2fa0b342 DHW |
2455 | return def; |
2456 | } | |
2457 | ||
2fa0b342 | 2458 | void |
8ddef552 | 2459 | lang_process () |
075d7359 | 2460 | { |
075d7359 | 2461 | lang_reasonable_defaults (); |
1418c83b SC |
2462 | current_target = default_target; |
2463 | ||
075d7359 | 2464 | lang_for_each_statement (ldlang_open_output); /* Open the output file */ |
1418c83b SC |
2465 | /* For each output section statement, create a section in the output |
2466 | file */ | |
075d7359 | 2467 | lang_create_output_section_statements (); |
1418c83b | 2468 | |
97fbbaca JL |
2469 | ldemul_create_output_section_statements (); |
2470 | ||
1418c83b | 2471 | /* Create a dummy bfd for the script */ |
075d7359 | 2472 | lang_init_script_file (); |
1418c83b SC |
2473 | |
2474 | /* Add to the hash table all undefineds on the command line */ | |
075d7359 | 2475 | lang_place_undefineds (); |
1418c83b SC |
2476 | |
2477 | /* Create a bfd for each input file */ | |
2478 | current_target = default_target; | |
075d7359 | 2479 | lang_for_each_statement (open_input_bfds); |
1418c83b | 2480 | |
1418c83b | 2481 | /* Run through the contours of the script and attatch input sections |
075d7359 | 2482 | to the correct output sections |
1418c83b | 2483 | */ |
075d7359 SC |
2484 | find_constructors (); |
2485 | map_input_to_output_sections (statement_list.head, (char *) NULL, | |
2486 | (lang_output_section_statement_type *) NULL); | |
1418c83b | 2487 | |
81016051 | 2488 | |
1418c83b | 2489 | /* Find any sections not attatched explicitly and handle them */ |
075d7359 | 2490 | lang_place_orphans (); |
1418c83b SC |
2491 | |
2492 | /* Size up the common data */ | |
075d7359 | 2493 | lang_common (); |
1418c83b | 2494 | |
075d7359 | 2495 | ldemul_before_allocation (); |
1418c83b | 2496 | |
c611e285 | 2497 | |
ae475b39 SC |
2498 | #if 0 |
2499 | had_relax = true; | |
2500 | while (had_relax) | |
2501 | { | |
2502 | ||
2503 | had_relax = false; | |
c611e285 | 2504 | |
ae475b39 SC |
2505 | lang_size_sections (statement_list.head, |
2506 | (lang_output_section_statement_type *) NULL, | |
2507 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
2508 | /* FIXME. Until the code in relax is fixed so that it only reads in | |
2509 | stuff once, we cant iterate since there is no way for the linker to | |
2510 | know what has been patched and what hasn't */ | |
2511 | break; | |
2512 | ||
2513 | } | |
2514 | #endif | |
c611e285 | 2515 | |
c611e285 | 2516 | /* Now run around and relax if we can */ |
075d7359 | 2517 | if (command_line.relax) |
c611e285 | 2518 | { |
97fbbaca JL |
2519 | /* First time round is a trial run to get the 'worst case' |
2520 | addresses of the objects if there was no relaxing. */ | |
ae475b39 SC |
2521 | lang_size_sections (statement_list.head, |
2522 | (lang_output_section_statement_type *) NULL, | |
2523 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
c611e285 | 2524 | |
97fbbaca JL |
2525 | /* Move the global symbols around so the second pass of relaxing |
2526 | can see them. */ | |
2527 | lang_relocate_globals (); | |
075d7359 | 2528 | |
97fbbaca | 2529 | reset_memory_regions (); |
075d7359 | 2530 | |
97fbbaca JL |
2531 | /* Do all the assignments, now that we know the final resting |
2532 | places of all the symbols. */ | |
ae475b39 | 2533 | |
97fbbaca JL |
2534 | lang_do_assignments (statement_list.head, |
2535 | abs_output_section, | |
2536 | 0, (bfd_vma) 0); | |
ae475b39 SC |
2537 | |
2538 | /* Perform another relax pass - this time we know where the | |
97fbbaca | 2539 | globals are, so can make better guess. */ |
ae475b39 SC |
2540 | lang_size_sections (statement_list.head, |
2541 | (lang_output_section_statement_type *) NULL, | |
2542 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
ae475b39 | 2543 | } |
ae475b39 SC |
2544 | else |
2545 | { | |
97fbbaca | 2546 | /* Size up the sections. */ |
ae475b39 SC |
2547 | lang_size_sections (statement_list.head, |
2548 | abs_output_section, | |
2549 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
075d7359 | 2550 | } |
c611e285 | 2551 | |
1418c83b | 2552 | /* See if anything special should be done now we know how big |
97fbbaca | 2553 | everything is. */ |
075d7359 | 2554 | ldemul_after_allocation (); |
1418c83b SC |
2555 | |
2556 | /* Do all the assignments, now that we know the final restingplaces | |
2557 | of all the symbols */ | |
2558 | ||
075d7359 SC |
2559 | lang_do_assignments (statement_list.head, |
2560 | abs_output_section, | |
2561 | 0, (bfd_vma) 0); | |
1418c83b | 2562 | |
c611e285 | 2563 | |
ffc50032 | 2564 | /* Move the global symbols around */ |
075d7359 | 2565 | lang_relocate_globals (); |
ffc50032 | 2566 | |
1418c83b SC |
2567 | /* Make sure that we're not mixing architectures */ |
2568 | ||
075d7359 | 2569 | lang_check (); |
1418c83b | 2570 | |
1418c83b | 2571 | /* Final stuffs */ |
97fbbaca JL |
2572 | |
2573 | ldemul_finish (); | |
2c6635a4 ILT |
2574 | |
2575 | #if 0 | |
2576 | /* DO NOT REENABLE THIS CALL. IF THIS CALL IS MADE, THE SUN4 LINKER | |
2577 | CAN NOT BOOTSTRAP!! No, I don't know why, but don't change it | |
2578 | unless you fix it. */ | |
97fbbaca JL |
2579 | /* Size up the sections. */ |
2580 | lang_size_sections (statement_list.head, | |
2581 | abs_output_section, | |
2582 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
2c6635a4 ILT |
2583 | #endif |
2584 | ||
075d7359 | 2585 | lang_finish (); |
2fa0b342 DHW |
2586 | } |
2587 | ||
2fa0b342 | 2588 | /* EXPORTED TO YACC */ |
1418c83b | 2589 | |
2fa0b342 | 2590 | void |
8ddef552 DM |
2591 | lang_add_wild (section_name, filename) |
2592 | CONST char *CONST section_name; | |
2593 | CONST char *CONST filename; | |
1418c83b | 2594 | { |
075d7359 SC |
2595 | lang_wild_statement_type *new = new_stat (lang_wild_statement, |
2596 | stat_ptr); | |
1418c83b | 2597 | |
075d7359 SC |
2598 | if (section_name != (char *) NULL && strcmp (section_name, "COMMON") == 0) |
2599 | { | |
2600 | placed_commons = true; | |
2601 | } | |
2602 | if (filename != (char *) NULL) | |
2603 | { | |
2604 | lang_has_input_file = true; | |
2605 | } | |
1418c83b SC |
2606 | new->section_name = section_name; |
2607 | new->filename = filename; | |
075d7359 | 2608 | lang_list_init (&new->children); |
1418c83b | 2609 | } |
075d7359 | 2610 | |
1418c83b | 2611 | void |
8ddef552 DM |
2612 | lang_section_start (name, address) |
2613 | CONST char *name; | |
2614 | etree_type * address; | |
2fa0b342 | 2615 | { |
075d7359 SC |
2616 | lang_address_statement_type *ad = new_stat (lang_address_statement, stat_ptr); |
2617 | ||
2fa0b342 DHW |
2618 | ad->section_name = name; |
2619 | ad->address = address; | |
2620 | } | |
1418c83b | 2621 | |
075d7359 | 2622 | void |
8ddef552 DM |
2623 | lang_add_entry (name) |
2624 | CONST char *name; | |
2fa0b342 DHW |
2625 | { |
2626 | entry_symbol = name; | |
2627 | } | |
2628 | ||
2629 | void | |
8ddef552 DM |
2630 | lang_add_target (name) |
2631 | CONST char *name; | |
2fa0b342 | 2632 | { |
075d7359 SC |
2633 | lang_target_statement_type *new = new_stat (lang_target_statement, |
2634 | stat_ptr); | |
2635 | ||
2fa0b342 DHW |
2636 | new->target = name; |
2637 | ||
2638 | } | |
2fa0b342 | 2639 | |
2fa0b342 | 2640 | void |
8ddef552 DM |
2641 | lang_add_map (name) |
2642 | CONST char *name; | |
2fa0b342 | 2643 | { |
075d7359 SC |
2644 | while (*name) |
2645 | { | |
2646 | switch (*name) | |
2647 | { | |
2648 | case 'F': | |
2649 | map_option_f = true; | |
2650 | break; | |
2651 | } | |
2652 | name++; | |
2fa0b342 | 2653 | } |
2fa0b342 DHW |
2654 | } |
2655 | ||
075d7359 | 2656 | void |
8ddef552 DM |
2657 | lang_add_fill (exp) |
2658 | int exp; | |
2fa0b342 | 2659 | { |
075d7359 SC |
2660 | lang_fill_statement_type *new = new_stat (lang_fill_statement, |
2661 | stat_ptr); | |
2662 | ||
2fa0b342 DHW |
2663 | new->fill = exp; |
2664 | } | |
2665 | ||
075d7359 | 2666 | void |
8ddef552 DM |
2667 | lang_add_data (type, exp) |
2668 | int type; | |
2669 | union etree_union *exp; | |
2fa0b342 DHW |
2670 | { |
2671 | ||
075d7359 | 2672 | lang_data_statement_type *new = new_stat (lang_data_statement, |
2fa0b342 | 2673 | stat_ptr); |
075d7359 SC |
2674 | |
2675 | new->exp = exp; | |
2676 | new->type = type; | |
2fa0b342 DHW |
2677 | |
2678 | } | |
075d7359 | 2679 | |
2fa0b342 | 2680 | void |
8ddef552 DM |
2681 | lang_add_assignment (exp) |
2682 | etree_type * exp; | |
2fa0b342 | 2683 | { |
075d7359 SC |
2684 | lang_assignment_statement_type *new = new_stat (lang_assignment_statement, |
2685 | stat_ptr); | |
2686 | ||
2fa0b342 DHW |
2687 | new->exp = exp; |
2688 | } | |
2689 | ||
2690 | void | |
8ddef552 DM |
2691 | lang_add_attribute (attribute) |
2692 | enum statement_enum attribute; | |
2fa0b342 | 2693 | { |
075d7359 | 2694 | new_statement (attribute, sizeof (lang_statement_union_type), stat_ptr); |
2fa0b342 DHW |
2695 | } |
2696 | ||
075d7359 | 2697 | void |
8ddef552 DM |
2698 | lang_startup (name) |
2699 | CONST char *name; | |
2fa0b342 | 2700 | { |
075d7359 SC |
2701 | if (startup_file != (char *) NULL) |
2702 | { | |
ddddcdf0 | 2703 | einfo ("%P%Fmultiple STARTUP files\n"); |
075d7359 | 2704 | } |
2fa0b342 DHW |
2705 | first_file->filename = name; |
2706 | first_file->local_sym_name = name; | |
2707 | ||
075d7359 | 2708 | startup_file = name; |
2fa0b342 | 2709 | } |
075d7359 SC |
2710 | |
2711 | void | |
8ddef552 DM |
2712 | lang_float (maybe) |
2713 | boolean maybe; | |
2fa0b342 DHW |
2714 | { |
2715 | lang_float_flag = maybe; | |
2716 | } | |
2717 | ||
075d7359 | 2718 | void |
8ddef552 DM |
2719 | lang_leave_output_section_statement (fill, memspec) |
2720 | bfd_vma fill; | |
2721 | CONST char *memspec; | |
2fa0b342 DHW |
2722 | { |
2723 | current_section->fill = fill; | |
075d7359 | 2724 | current_section->region = lang_memory_region_lookup (memspec); |
2fa0b342 | 2725 | stat_ptr = &statement_list; |
81016051 SC |
2726 | |
2727 | /* We remember if we are closing a .data section, since we use it to | |
2728 | store constructors in */ | |
075d7359 SC |
2729 | if (strcmp (current_section->name, ".data") == 0) |
2730 | { | |
2731 | end_of_data_section_statement_list = statement_list; | |
81016051 | 2732 | |
075d7359 | 2733 | } |
2fa0b342 | 2734 | } |
075d7359 | 2735 | |
9f32f7c2 SC |
2736 | /* |
2737 | Create an absolute symbol with the given name with the value of the | |
2738 | address of first byte of the section named. | |
2fa0b342 | 2739 | |
9f32f7c2 SC |
2740 | If the symbol already exists, then do nothing. |
2741 | */ | |
8cb5eb31 | 2742 | void |
8ddef552 DM |
2743 | lang_abs_symbol_at_beginning_of (section, name) |
2744 | CONST char *section; | |
2745 | CONST char *name; | |
075d7359 SC |
2746 | { |
2747 | if (ldsym_undefined (name)) | |
2748 | { | |
2749 | asection *s = bfd_get_section_by_name (output_bfd, section); | |
2750 | asymbol *def = create_symbol (name, | |
2751 | BSF_GLOBAL | BSF_EXPORT, | |
2752 | &bfd_abs_section); | |
2753 | ||
2754 | if (s != (asection *) NULL) | |
2755 | { | |
2756 | def->value = s->vma; | |
2757 | } | |
2758 | else | |
2759 | { | |
2760 | def->value = 0; | |
2761 | } | |
9f32f7c2 | 2762 | } |
8cb5eb31 SC |
2763 | } |
2764 | ||
9f32f7c2 SC |
2765 | /* |
2766 | Create an absolute symbol with the given name with the value of the | |
2767 | address of the first byte after the end of the section named. | |
2768 | ||
2769 | If the symbol already exists, then do nothing. | |
2770 | */ | |
2fa0b342 | 2771 | void |
8ddef552 DM |
2772 | lang_abs_symbol_at_end_of (section, name) |
2773 | CONST char *section; | |
2774 | CONST char *name; | |
075d7359 SC |
2775 | { |
2776 | if (ldsym_undefined (name)) | |
2777 | { | |
2778 | asection *s = bfd_get_section_by_name (output_bfd, section); | |
2779 | ||
2780 | /* Add a symbol called _end */ | |
2781 | asymbol *def = create_symbol (name, | |
2782 | BSF_GLOBAL | BSF_EXPORT, | |
2783 | &bfd_abs_section); | |
2784 | ||
2785 | if (s != (asection *) NULL) | |
2786 | { | |
2787 | def->value = s->vma + s->_raw_size; | |
2788 | } | |
2789 | else | |
2790 | { | |
2791 | def->value = 0; | |
2792 | } | |
9f32f7c2 | 2793 | } |
2fa0b342 DHW |
2794 | } |
2795 | ||
075d7359 | 2796 | void |
8ddef552 DM |
2797 | lang_statement_append (list, element, field) |
2798 | lang_statement_list_type * list; | |
2799 | lang_statement_union_type * element; | |
2800 | lang_statement_union_type ** field; | |
2fa0b342 DHW |
2801 | { |
2802 | *(list->tail) = element; | |
2803 | list->tail = field; | |
2804 | } | |
2805 | ||
173a0c3d | 2806 | /* Set the output format type. -oformat overrides scripts. */ |
097879bc | 2807 | void |
173a0c3d | 2808 | lang_add_output_format (format, from_script) |
8ddef552 | 2809 | CONST char *format; |
173a0c3d | 2810 | int from_script; |
097879bc | 2811 | { |
2c6635a4 | 2812 | if (output_target == NULL || !from_script) |
173a0c3d | 2813 | output_target = format; |
097879bc | 2814 | } |