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Commit | Line | Data |
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e20873a7 JG |
1 | /* Linker command language support. |
2 | Copyright 1991, 1992 Free Software Foundation, Inc. | |
075d7359 | 3 | |
2fa0b342 DHW |
4 | This file is part of GLD, the Gnu Linker. |
5 | ||
6 | GLD is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 1, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GLD is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GLD; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
2fa0b342 | 20 | #include "bfd.h" |
075d7359 | 21 | #include "sysdep.h" |
2fa0b342 DHW |
22 | |
23 | #include "ld.h" | |
24 | #include "ldmain.h" | |
25 | #include "ldsym.h" | |
7bc4a0d7 | 26 | #include "ldgram.h" |
81016051 | 27 | #include "ldwarn.h" |
2fa0b342 DHW |
28 | #include "ldlang.h" |
29 | #include "ldexp.h" | |
8c514453 | 30 | #include "ldemul.h" |
2fa0b342 | 31 | #include "ldlex.h" |
3f8d46e7 | 32 | #include "ldmisc.h" |
c611e285 SC |
33 | #include "ldindr.h" |
34 | #include "ldctor.h" | |
2fa0b342 | 35 | /* FORWARDS */ |
e20873a7 JG |
36 | static void print_statements PARAMS ((void)); |
37 | static void print_statement PARAMS ((lang_statement_union_type *, | |
075d7359 | 38 | lang_output_section_statement_type *)); |
2fa0b342 | 39 | |
d4c02e29 | 40 | /* LOCALS */ |
bfbdc80f | 41 | static struct obstack stat_obstack; |
075d7359 | 42 | |
bfbdc80f SC |
43 | #define obstack_chunk_alloc ldmalloc |
44 | #define obstack_chunk_free free | |
075d7359 | 45 | static CONST char *startup_file; |
d4c02e29 | 46 | static lang_statement_list_type input_file_chain; |
81016051 SC |
47 | |
48 | /* Points to the last statement in the .data section, so we can add | |
49 | stuff to the data section without pain */ | |
50 | static lang_statement_list_type end_of_data_section_statement_list; | |
51 | ||
c611e285 SC |
52 | /* List of statements needed to handle constructors */ |
53 | extern lang_statement_list_type constructor_list; | |
81016051 | 54 | |
d4c02e29 SC |
55 | static boolean placed_commons = false; |
56 | static lang_output_section_statement_type *default_common_section; | |
57 | static boolean map_option_f; | |
58 | static bfd_vma print_dot; | |
59 | static lang_input_statement_type *first_file; | |
60 | static lang_statement_list_type lang_output_section_statement; | |
61 | static CONST char *current_target; | |
62 | static CONST char *output_target; | |
63 | static size_t longest_section_name = 8; | |
d4c02e29 SC |
64 | static section_userdata_type common_section_userdata; |
65 | static lang_statement_list_type statement_list; | |
ffc50032 | 66 | |
2fa0b342 | 67 | /* EXPORTS */ |
c611e285 | 68 | boolean relaxing; |
ffc50032 | 69 | lang_output_section_statement_type *abs_output_section; |
d4c02e29 SC |
70 | lang_statement_list_type *stat_ptr = &statement_list; |
71 | lang_input_statement_type *script_file = 0; | |
72 | boolean option_longmap = false; | |
075d7359 SC |
73 | lang_statement_list_type file_chain = |
74 | {0}; | |
d4c02e29 | 75 | CONST char *entry_symbol = 0; |
3f8d46e7 | 76 | bfd_size_type largest_section = 0; |
d4c02e29 SC |
77 | boolean lang_has_input_file = false; |
78 | lang_output_section_statement_type *create_object_symbols = 0; | |
79 | boolean had_output_filename = false; | |
80 | boolean lang_float_flag = false; | |
075d7359 | 81 | |
d4c02e29 | 82 | /* IMPORTS */ |
075d7359 | 83 | extern char *default_target; |
2fa0b342 | 84 | |
d4c02e29 SC |
85 | extern unsigned int undefined_global_sym_count; |
86 | extern char *current_file; | |
2fa0b342 | 87 | extern bfd *output_bfd; |
2fa0b342 DHW |
88 | extern enum bfd_architecture ldfile_output_architecture; |
89 | extern unsigned long ldfile_output_machine; | |
90 | extern char *ldfile_output_machine_name; | |
2fa0b342 | 91 | extern ldsym_type *symbol_head; |
d4c02e29 | 92 | extern unsigned int commons_pending; |
2fa0b342 DHW |
93 | extern args_type command_line; |
94 | extern ld_config_type config; | |
2fa0b342 | 95 | extern boolean had_script; |
2fa0b342 | 96 | extern boolean write_map; |
1b8a42f3 | 97 | extern int g_switch_value; |
2fa0b342 | 98 | |
9fce28ed SC |
99 | |
100 | etree_type *base; /* Relocation base - or null */ | |
101 | ||
102 | ||
2fa0b342 DHW |
103 | #ifdef __STDC__ |
104 | #define cat(a,b) a##b | |
105 | #else | |
106 | #define cat(a,b) a/**/b | |
107 | #endif | |
108 | ||
109 | #define new_stat(x,y) (cat(x,_type)*) new_statement(cat(x,_enum), sizeof(cat(x,_type)),y) | |
110 | ||
111 | #define outside_section_address(q) ( (q)->output_offset + (q)->output_section->vma) | |
112 | ||
113 | #define outside_symbol_address(q) ((q)->value + outside_section_address(q->section)) | |
114 | ||
e20873a7 | 115 | void lang_add_data PARAMS ((int type, union etree_union * exp)); |
bfbdc80f SC |
116 | |
117 | PTR | |
8ddef552 DM |
118 | stat_alloc (size) |
119 | size_t size; | |
bfbdc80f | 120 | { |
075d7359 | 121 | return obstack_alloc (&stat_obstack, size); |
bfbdc80f | 122 | } |
075d7359 | 123 | static void |
8ddef552 DM |
124 | print_size (value) |
125 | size_t value; | |
3f8d46e7 | 126 | { |
075d7359 | 127 | fprintf (config.map_file, "%5x", (unsigned) value); |
3f8d46e7 | 128 | } |
075d7359 | 129 | static void |
8ddef552 DM |
130 | print_alignment (value) |
131 | unsigned int value; | |
3f8d46e7 | 132 | { |
075d7359 | 133 | fprintf (config.map_file, "2**%1u", value); |
3f8d46e7 | 134 | } |
075d7359 SC |
135 | static void |
136 | DEFUN (print_fill, (value), | |
8ddef552 | 137 | fill_type value) |
3f8d46e7 | 138 | { |
075d7359 | 139 | fprintf (config.map_file, "%04x", (unsigned) value); |
3f8d46e7 JG |
140 | } |
141 | ||
d4c02e29 | 142 | |
075d7359 | 143 | static void |
8ddef552 DM |
144 | print_section (name) |
145 | CONST char *CONST name; | |
3f8d46e7 | 146 | { |
075d7359 | 147 | fprintf (config.map_file, "%*s", -longest_section_name, name); |
3f8d46e7 | 148 | } |
2fa0b342 | 149 | |
1418c83b SC |
150 | /*---------------------------------------------------------------------- |
151 | lang_for_each_statement walks the parse tree and calls the provided | |
152 | function for each node | |
153 | */ | |
154 | ||
075d7359 | 155 | static void |
8ddef552 DM |
156 | lang_for_each_statement_worker (func, s) |
157 | void (*func) (); | |
158 | lang_statement_union_type *s; | |
1418c83b | 159 | { |
075d7359 SC |
160 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
161 | { | |
162 | func (s); | |
1418c83b | 163 | |
075d7359 SC |
164 | switch (s->header.type) |
165 | { | |
81016051 | 166 | case lang_constructors_statement_enum: |
075d7359 | 167 | lang_for_each_statement_worker (func, constructor_list.head); |
81016051 | 168 | break; |
1418c83b SC |
169 | case lang_output_section_statement_enum: |
170 | lang_for_each_statement_worker | |
075d7359 | 171 | (func, |
1418c83b SC |
172 | s->output_section_statement.children.head); |
173 | break; | |
174 | case lang_wild_statement_enum: | |
175 | lang_for_each_statement_worker | |
075d7359 | 176 | (func, |
1418c83b SC |
177 | s->wild_statement.children.head); |
178 | break; | |
179 | case lang_data_statement_enum: | |
180 | case lang_object_symbols_statement_enum: | |
181 | case lang_output_statement_enum: | |
182 | case lang_target_statement_enum: | |
183 | case lang_input_section_enum: | |
184 | case lang_input_statement_enum: | |
1418c83b SC |
185 | case lang_assignment_statement_enum: |
186 | case lang_padding_statement_enum: | |
187 | case lang_address_statement_enum: | |
188 | break; | |
189 | default: | |
075d7359 | 190 | FAIL (); |
1418c83b SC |
191 | break; |
192 | } | |
075d7359 | 193 | } |
1418c83b SC |
194 | } |
195 | ||
196 | void | |
8ddef552 DM |
197 | lang_for_each_statement (func) |
198 | void (*func) (); | |
1418c83b | 199 | { |
075d7359 SC |
200 | lang_for_each_statement_worker (func, |
201 | statement_list.head); | |
1418c83b | 202 | } |
075d7359 | 203 | |
1418c83b | 204 | /*----------------------------------------------------------------------*/ |
075d7359 | 205 | void |
8ddef552 DM |
206 | lang_list_init (list) |
207 | lang_statement_list_type *list; | |
2fa0b342 | 208 | { |
075d7359 SC |
209 | list->head = (lang_statement_union_type *) NULL; |
210 | list->tail = &list->head; | |
2fa0b342 DHW |
211 | } |
212 | ||
1418c83b | 213 | /*---------------------------------------------------------------------- |
075d7359 | 214 | |
1418c83b SC |
215 | build a new statement node for the parse tree |
216 | ||
217 | */ | |
2fa0b342 DHW |
218 | |
219 | static | |
075d7359 | 220 | lang_statement_union_type * |
8ddef552 DM |
221 | new_statement (type, size, list) |
222 | enum statement_enum type; | |
223 | bfd_size_type size; | |
224 | lang_statement_list_type * list; | |
2fa0b342 DHW |
225 | { |
226 | lang_statement_union_type *new = (lang_statement_union_type *) | |
075d7359 SC |
227 | stat_alloc (size); |
228 | ||
2fa0b342 | 229 | new->header.type = type; |
075d7359 SC |
230 | new->header.next = (lang_statement_union_type *) NULL; |
231 | lang_statement_append (list, new, &new->header.next); | |
2fa0b342 DHW |
232 | return new; |
233 | } | |
234 | ||
1418c83b SC |
235 | /* |
236 | Build a new input file node for the language. There are several ways | |
237 | in which we treat an input file, eg, we only look at symbols, or | |
238 | prefix it with a -l etc. | |
239 | ||
240 | We can be supplied with requests for input files more than once; | |
241 | they may, for example be split over serveral lines like foo.o(.text) | |
242 | foo.o(.data) etc, so when asked for a file we check that we havn't | |
243 | got it already so we don't duplicate the bfd. | |
244 | ||
245 | */ | |
2fa0b342 | 246 | static lang_input_statement_type * |
8ddef552 DM |
247 | new_afile (name, file_type, target) |
248 | CONST char *CONST name; | |
249 | CONST lang_input_file_enum_type file_type; | |
250 | CONST char *CONST target; | |
2fa0b342 | 251 | { |
dc4726c2 | 252 | |
075d7359 SC |
253 | lang_input_statement_type *p = new_stat (lang_input_statement, |
254 | stat_ptr); | |
255 | ||
2fa0b342 DHW |
256 | lang_has_input_file = true; |
257 | p->target = target; | |
ee4af9e8 | 258 | p->complained = false; |
075d7359 SC |
259 | switch (file_type) |
260 | { | |
261 | case lang_input_file_is_symbols_only_enum: | |
262 | p->filename = name; | |
263 | p->is_archive = false; | |
264 | p->real = true; | |
265 | p->local_sym_name = name; | |
266 | p->just_syms_flag = true; | |
267 | p->search_dirs_flag = false; | |
268 | break; | |
269 | case lang_input_file_is_fake_enum: | |
270 | p->filename = name; | |
271 | p->is_archive = false; | |
272 | p->real = false; | |
273 | p->local_sym_name = name; | |
274 | p->just_syms_flag = false; | |
275 | p->search_dirs_flag = false; | |
276 | break; | |
277 | case lang_input_file_is_l_enum: | |
278 | p->is_archive = true; | |
279 | p->filename = name; | |
280 | p->real = true; | |
281 | p->local_sym_name = concat ("-l", name, ""); | |
282 | p->just_syms_flag = false; | |
283 | p->search_dirs_flag = true; | |
284 | break; | |
285 | case lang_input_file_is_search_file_enum: | |
286 | case lang_input_file_is_marker_enum: | |
287 | p->filename = name; | |
288 | p->is_archive = false; | |
289 | p->real = true; | |
290 | p->local_sym_name = name; | |
291 | p->just_syms_flag = false; | |
292 | p->search_dirs_flag = true; | |
293 | break; | |
294 | case lang_input_file_is_file_enum: | |
295 | p->filename = name; | |
296 | p->is_archive = false; | |
297 | p->real = true; | |
298 | p->local_sym_name = name; | |
299 | p->just_syms_flag = false; | |
300 | p->search_dirs_flag = false; | |
301 | break; | |
302 | default: | |
303 | FAIL (); | |
304 | } | |
305 | p->asymbols = (asymbol **) NULL; | |
306 | p->superfile = (lang_input_statement_type *) NULL; | |
307 | p->next_real_file = (lang_statement_union_type *) NULL; | |
308 | p->next = (lang_statement_union_type *) NULL; | |
2fa0b342 | 309 | p->symbol_count = 0; |
075d7359 SC |
310 | p->common_output_section = (asection *) NULL; |
311 | lang_statement_append (&input_file_chain, | |
312 | (lang_statement_union_type *) p, | |
313 | &p->next_real_file); | |
2fa0b342 DHW |
314 | return p; |
315 | } | |
316 | ||
317 | lang_input_statement_type * | |
8ddef552 DM |
318 | lang_add_input_file (name, file_type, target) |
319 | CONST char *name; | |
320 | lang_input_file_enum_type file_type; | |
321 | CONST char *target; | |
2fa0b342 DHW |
322 | { |
323 | /* Look it up or build a new one */ | |
1418c83b SC |
324 | lang_has_input_file = true; |
325 | #if 0 | |
2fa0b342 DHW |
326 | lang_input_statement_type *p; |
327 | ||
075d7359 SC |
328 | for (p = (lang_input_statement_type *) input_file_chain.head; |
329 | p != (lang_input_statement_type *) NULL; | |
330 | p = (lang_input_statement_type *) (p->next_real_file)) | |
331 | { | |
332 | /* Sometimes we have incomplete entries in here */ | |
333 | if (p->filename != (char *) NULL) | |
334 | { | |
335 | if (strcmp (name, p->filename) == 0) | |
336 | return p; | |
1418c83b | 337 | } |
075d7359 SC |
338 | |
339 | } | |
1418c83b | 340 | #endif |
075d7359 | 341 | return new_afile (name, file_type, target); |
2fa0b342 DHW |
342 | } |
343 | ||
81150d34 | 344 | void |
8ddef552 DM |
345 | lang_add_keepsyms_file (filename) |
346 | CONST char *filename; | |
81150d34 ILT |
347 | { |
348 | extern strip_symbols_type strip_symbols; | |
349 | if (keepsyms_file != 0) | |
350 | info ("%X%P error: duplicated keep-symbols-file value\n"); | |
351 | keepsyms_file = filename; | |
352 | if (strip_symbols != STRIP_NONE) | |
353 | info ("%P `-keep-only-symbols-file' overrides `-s' and `-S'\n"); | |
354 | strip_symbols = STRIP_SOME; | |
355 | } | |
356 | ||
1418c83b | 357 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 358 | void |
8ddef552 | 359 | lang_init () |
2fa0b342 | 360 | { |
075d7359 | 361 | obstack_begin (&stat_obstack, 1000); |
2fa0b342 | 362 | |
075d7359 | 363 | stat_ptr = &statement_list; |
bfbdc80f | 364 | |
075d7359 | 365 | lang_list_init (stat_ptr); |
2fa0b342 | 366 | |
075d7359 SC |
367 | lang_list_init (&input_file_chain); |
368 | lang_list_init (&lang_output_section_statement); | |
369 | lang_list_init (&file_chain); | |
370 | first_file = lang_add_input_file ((char *) NULL, | |
371 | lang_input_file_is_marker_enum, | |
372 | (char *) NULL); | |
373 | abs_output_section = lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 374 | |
bfbdc80f | 375 | abs_output_section->bfd_section = &bfd_abs_section; |
9d1fe8a4 | 376 | |
2fa0b342 DHW |
377 | } |
378 | ||
1418c83b | 379 | /*---------------------------------------------------------------------- |
075d7359 SC |
380 | A region is an area of memory declared with the |
381 | MEMORY { name:org=exp, len=exp ... } | |
382 | syntax. | |
2fa0b342 | 383 | |
1418c83b | 384 | We maintain a list of all the regions here |
2fa0b342 | 385 | |
1418c83b SC |
386 | If no regions are specified in the script, then the default is used |
387 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
388 | */ |
389 | ||
390 | static lang_memory_region_type *lang_memory_region_list; | |
391 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
392 | ||
393 | lang_memory_region_type * | |
8ddef552 DM |
394 | lang_memory_region_lookup (name) |
395 | CONST char *CONST name; | |
2fa0b342 DHW |
396 | { |
397 | ||
075d7359 SC |
398 | lang_memory_region_type *p = lang_memory_region_list; |
399 | ||
1418c83b | 400 | for (p = lang_memory_region_list; |
075d7359 SC |
401 | p != (lang_memory_region_type *) NULL; |
402 | p = p->next) | |
403 | { | |
404 | if (strcmp (p->name, name) == 0) | |
405 | { | |
406 | return p; | |
407 | } | |
2fa0b342 | 408 | } |
075d7359 | 409 | if (strcmp (name, "*default*") == 0) |
2fa0b342 | 410 | { |
075d7359 SC |
411 | /* This is the default region, dig out first one on the list */ |
412 | if (lang_memory_region_list != (lang_memory_region_type *) NULL) | |
413 | { | |
414 | return lang_memory_region_list; | |
415 | } | |
2fa0b342 | 416 | } |
075d7359 SC |
417 | { |
418 | lang_memory_region_type *new = | |
419 | (lang_memory_region_type *) stat_alloc ((bfd_size_type) (sizeof (lang_memory_region_type))); | |
420 | ||
421 | new->name = buystring (name); | |
422 | new->next = (lang_memory_region_type *) NULL; | |
423 | ||
424 | *lang_memory_region_list_tail = new; | |
425 | lang_memory_region_list_tail = &new->next; | |
426 | new->origin = 0; | |
8ddef552 | 427 | new->length = ~(bfd_size_type)0; |
075d7359 SC |
428 | new->current = 0; |
429 | new->had_full_message = false; | |
430 | ||
431 | return new; | |
432 | } | |
2fa0b342 DHW |
433 | } |
434 | ||
435 | ||
2fa0b342 | 436 | lang_output_section_statement_type * |
8ddef552 DM |
437 | lang_output_section_find (name) |
438 | CONST char *CONST name; | |
2fa0b342 DHW |
439 | { |
440 | lang_statement_union_type *u; | |
441 | lang_output_section_statement_type *lookup; | |
442 | ||
443 | for (u = lang_output_section_statement.head; | |
075d7359 | 444 | u != (lang_statement_union_type *) NULL; |
2fa0b342 | 445 | u = lookup->next) |
075d7359 SC |
446 | { |
447 | lookup = &u->output_section_statement; | |
448 | if (strcmp (name, lookup->name) == 0) | |
449 | { | |
1418c83b SC |
450 | return lookup; |
451 | } | |
075d7359 SC |
452 | } |
453 | return (lang_output_section_statement_type *) NULL; | |
2fa0b342 DHW |
454 | } |
455 | ||
456 | lang_output_section_statement_type * | |
8ddef552 DM |
457 | lang_output_section_statement_lookup (name) |
458 | CONST char *CONST name; | |
2fa0b342 DHW |
459 | { |
460 | lang_output_section_statement_type *lookup; | |
2fa0b342 | 461 | |
075d7359 SC |
462 | lookup = lang_output_section_find (name); |
463 | if (lookup == (lang_output_section_statement_type *) NULL) | |
464 | { | |
2fa0b342 | 465 | |
075d7359 SC |
466 | lookup = (lang_output_section_statement_type *) |
467 | new_stat (lang_output_section_statement, stat_ptr); | |
468 | lookup->region = (lang_memory_region_type *) NULL; | |
469 | lookup->fill = 0; | |
470 | lookup->block_value = 1; | |
471 | lookup->name = name; | |
472 | ||
473 | lookup->next = (lang_statement_union_type *) NULL; | |
474 | lookup->bfd_section = (asection *) NULL; | |
475 | lookup->processed = false; | |
ae475b39 | 476 | lookup->loadable = 1; |
075d7359 SC |
477 | lookup->addr_tree = (etree_type *) NULL; |
478 | lang_list_init (&lookup->children); | |
479 | ||
1b8a42f3 ILT |
480 | lookup->memspec = (CONST char *) NULL; |
481 | lookup->flags = 0; | |
482 | lookup->subsection_alignment = -1; | |
483 | lookup->section_alignment = -1; | |
484 | lookup->load_base = (union etree_union *) NULL; | |
485 | ||
075d7359 SC |
486 | lang_statement_append (&lang_output_section_statement, |
487 | (lang_statement_union_type *) lookup, | |
488 | &lookup->next); | |
489 | } | |
490 | return lookup; | |
491 | } | |
2fa0b342 | 492 | |
9d1fe8a4 | 493 | /*ARGSUSED*/ |
2fa0b342 | 494 | static void |
8ddef552 DM |
495 | print_flags (ignore_flags) |
496 | int *ignore_flags; | |
2fa0b342 | 497 | { |
075d7359 | 498 | fprintf (config.map_file, "("); |
2fa0b342 | 499 | #if 0 |
075d7359 SC |
500 | if (flags->flag_read) |
501 | fprintf (outfile, "R"); | |
502 | if (flags->flag_write) | |
503 | fprintf (outfile, "W"); | |
504 | if (flags->flag_executable) | |
505 | fprintf (outfile, "X"); | |
506 | if (flags->flag_loadable) | |
507 | fprintf (outfile, "L"); | |
2fa0b342 | 508 | #endif |
ae475b39 | 509 | fprintf (config.map_file, ")"); |
2fa0b342 DHW |
510 | } |
511 | ||
512 | void | |
8ddef552 | 513 | lang_map () |
2fa0b342 DHW |
514 | { |
515 | lang_memory_region_type *m; | |
075d7359 SC |
516 | |
517 | fprintf (config.map_file, "**MEMORY CONFIGURATION**\n\n"); | |
48491e2e | 518 | #ifdef HOST_64_BIT |
075d7359 | 519 | fprintf (config.map_file, "name\t\torigin\t\tlength\t\tattributes\n"); |
48491e2e | 520 | #else |
ae475b39 SC |
521 | fprintf (config.map_file, |
522 | "name\t\torigin length r_size c_size is attributes\n"); | |
523 | ||
48491e2e | 524 | #endif |
2fa0b342 | 525 | for (m = lang_memory_region_list; |
075d7359 SC |
526 | m != (lang_memory_region_type *) NULL; |
527 | m = m->next) | |
2fa0b342 | 528 | { |
075d7359 SC |
529 | fprintf (config.map_file, "%-16s", m->name); |
530 | print_address (m->origin); | |
531 | print_space (); | |
8ddef552 | 532 | print_address ((bfd_vma)m->length); |
075d7359 | 533 | print_space (); |
8ddef552 | 534 | print_address ((bfd_vma)m->old_length); |
ae475b39 SC |
535 | print_space(); |
536 | print_address (m->current - m->origin); | |
537 | print_space(); | |
538 | if (m->old_length) | |
539 | fprintf(config.map_file," %2d%% ", ( m->current - m->origin) * 100 / m->old_length); | |
075d7359 SC |
540 | print_flags (&m->flags); |
541 | fprintf (config.map_file, "\n"); | |
2fa0b342 | 542 | } |
075d7359 SC |
543 | fprintf (config.map_file, "\n\n**LINK EDITOR MEMORY MAP**\n\n"); |
544 | fprintf (config.map_file, "output input virtual\n"); | |
545 | fprintf (config.map_file, "section section address tsize\n\n"); | |
2fa0b342 | 546 | |
075d7359 | 547 | print_statements (); |
2fa0b342 DHW |
548 | |
549 | } | |
550 | ||
551 | /* | |
552 | * | |
553 | */ | |
075d7359 | 554 | static void |
8ddef552 DM |
555 | init_os (s) |
556 | lang_output_section_statement_type * s; | |
2fa0b342 | 557 | { |
9d1fe8a4 SC |
558 | /* asection *section = bfd_get_section_by_name(output_bfd, s->name);*/ |
559 | section_userdata_type *new = | |
075d7359 SC |
560 | (section_userdata_type *) |
561 | stat_alloc ((bfd_size_type) (sizeof (section_userdata_type))); | |
562 | ||
563 | s->bfd_section = bfd_get_section_by_name (output_bfd, s->name); | |
564 | if (s->bfd_section == (asection *) NULL) | |
565 | s->bfd_section = bfd_make_section (output_bfd, s->name); | |
566 | if (s->bfd_section == (asection *) NULL) | |
567 | { | |
568 | einfo ("%P%F output format %s cannot represent section called %s\n", | |
569 | output_bfd->xvec->name, s->name); | |
9d1fe8a4 | 570 | } |
2fa0b342 | 571 | s->bfd_section->output_section = s->bfd_section; |
ae475b39 | 572 | /* s->bfd_section->flags = s->flags;*/ |
7bc4a0d7 | 573 | |
2fa0b342 DHW |
574 | /* We initialize an output sections output offset to minus its own */ |
575 | /* vma to allow us to output a section through itself */ | |
576 | s->bfd_section->output_offset = 0; | |
075d7359 | 577 | get_userdata (s->bfd_section) = (PTR) new; |
c611e285 | 578 | |
2fa0b342 DHW |
579 | } |
580 | ||
1418c83b SC |
581 | /*********************************************************************** |
582 | The wild routines. | |
583 | ||
584 | These expand statements like *(.text) and foo.o to a list of | |
585 | explicit actions, like foo.o(.text), bar.o(.text) and | |
586 | foo.o(.text,.data) . | |
587 | ||
588 | The toplevel routine, wild, takes a statement, section, file and | |
589 | target. If either the section or file is null it is taken to be the | |
590 | wildcard. Seperate lang_input_section statements are created for | |
591 | each part of the expanstion, and placed after the statement provided. | |
592 | ||
593 | */ | |
075d7359 | 594 | |
2fa0b342 | 595 | static void |
8ddef552 DM |
596 | wild_doit (ptr, section, output, file) |
597 | lang_statement_list_type * ptr; | |
598 | asection * section; | |
599 | lang_output_section_statement_type * output; | |
600 | lang_input_statement_type * file; | |
2fa0b342 | 601 | { |
075d7359 | 602 | if (output->bfd_section == (asection *) NULL) |
ae475b39 SC |
603 | { |
604 | init_os (output); | |
e9b63852 ILT |
605 | /* Initialize the vma and size to the existing section. This will |
606 | be overriden in lang_size_sections unless SEC_NEVER_LOAD gets | |
607 | set. */ | |
608 | if (section != (asection *) NULL) | |
609 | { | |
610 | bfd_set_section_vma (0, output->bfd_section, | |
611 | bfd_section_vma (0, section)); | |
612 | output->bfd_section->_raw_size = section->_raw_size; | |
613 | } | |
ae475b39 | 614 | } |
2fa0b342 | 615 | |
075d7359 SC |
616 | if (section != (asection *) NULL |
617 | && section->output_section == (asection *) NULL) | |
ae475b39 SC |
618 | { |
619 | /* Add a section reference to the list */ | |
620 | lang_input_section_type *new = new_stat (lang_input_section, ptr); | |
621 | ||
622 | new->section = section; | |
623 | new->ifile = file; | |
624 | section->output_section = output->bfd_section; | |
29f33467 SC |
625 | |
626 | /* Be selective about what the output section inherits from the | |
627 | input section */ | |
628 | ||
8ddef552 DM |
629 | if ((section->flags & SEC_SHARED_LIBRARY) != 0) |
630 | section->output_section->flags |= section->flags; | |
631 | else | |
632 | section->output_section->flags |= section->flags & ~SEC_NEVER_LOAD; | |
29f33467 | 633 | |
ae475b39 | 634 | if (!output->loadable) |
075d7359 | 635 | { |
29f33467 | 636 | /* Turn off load flag */ |
ae475b39 | 637 | output->bfd_section->flags &= ~SEC_LOAD; |
29f33467 | 638 | output->bfd_section->flags |= SEC_NEVER_LOAD; |
ae475b39 SC |
639 | } |
640 | if (section->alignment_power > output->bfd_section->alignment_power) | |
641 | { | |
642 | output->bfd_section->alignment_power = section->alignment_power; | |
075d7359 | 643 | } |
e20873a7 JG |
644 | /* If supplied an aligmnet, then force it */ |
645 | if (output->section_alignment != -1) | |
646 | { | |
647 | output->bfd_section->alignment_power = output->section_alignment; | |
648 | } | |
ae475b39 | 649 | } |
2fa0b342 DHW |
650 | } |
651 | ||
652 | static asection * | |
8ddef552 DM |
653 | our_bfd_get_section_by_name (abfd, section) |
654 | bfd * abfd; | |
655 | CONST char *section; | |
2fa0b342 | 656 | { |
075d7359 | 657 | return bfd_get_section_by_name (abfd, section); |
2fa0b342 | 658 | } |
1418c83b | 659 | |
075d7359 | 660 | static void |
8ddef552 DM |
661 | wild_section (ptr, section, file, output) |
662 | lang_wild_statement_type * ptr; | |
663 | CONST char *section; | |
664 | lang_input_statement_type * file; | |
665 | lang_output_section_statement_type * output; | |
2fa0b342 DHW |
666 | { |
667 | asection *s; | |
075d7359 SC |
668 | |
669 | if (file->just_syms_flag == false) | |
670 | { | |
671 | if (section == (char *) NULL) | |
672 | { | |
673 | /* Do the creation to all sections in the file */ | |
674 | for (s = file->the_bfd->sections; s != (asection *) NULL; s = s->next) | |
29f33467 SC |
675 | { |
676 | /* except for bss */ | |
677 | if ((s->flags & SEC_IS_COMMON) == 0) | |
075d7359 SC |
678 | { |
679 | wild_doit (&ptr->children, s, output, file); | |
680 | } | |
29f33467 | 681 | } |
075d7359 SC |
682 | } |
683 | else | |
684 | { | |
685 | /* Do the creation to the named section only */ | |
686 | wild_doit (&ptr->children, | |
687 | our_bfd_get_section_by_name (file->the_bfd, section), | |
688 | output, file); | |
689 | } | |
2fa0b342 | 690 | } |
2fa0b342 DHW |
691 | } |
692 | ||
1418c83b SC |
693 | /* passed a file name (which must have been seen already and added to |
694 | the statement tree. We will see if it has been opened already and | |
695 | had its symbols read. If not then we'll read it. | |
2fa0b342 | 696 | |
1418c83b SC |
697 | Archives are pecuilar here. We may open them once, but if they do |
698 | not define anything we need at the time, they won't have all their | |
699 | symbols read. If we need them later, we'll have to redo it. | |
700 | */ | |
2fa0b342 | 701 | static |
1418c83b | 702 | lang_input_statement_type * |
8ddef552 DM |
703 | lookup_name (name) |
704 | CONST char *CONST name; | |
2fa0b342 DHW |
705 | { |
706 | lang_input_statement_type *search; | |
075d7359 SC |
707 | |
708 | for (search = (lang_input_statement_type *) input_file_chain.head; | |
709 | search != (lang_input_statement_type *) NULL; | |
710 | search = (lang_input_statement_type *) search->next_real_file) | |
711 | { | |
712 | if (search->filename == (char *) NULL && name == (char *) NULL) | |
713 | { | |
2fa0b342 DHW |
714 | return search; |
715 | } | |
075d7359 SC |
716 | if (search->filename != (char *) NULL && name != (char *) NULL) |
717 | { | |
718 | if (strcmp (search->filename, name) == 0) | |
719 | { | |
720 | ldmain_open_file_read_symbol (search); | |
721 | return search; | |
722 | } | |
1418c83b | 723 | } |
075d7359 | 724 | } |
2fa0b342 | 725 | |
075d7359 SC |
726 | /* There isn't an afile entry for this file yet, this must be |
727 | because the name has only appeared inside a load script and not | |
1418c83b | 728 | on the command line */ |
075d7359 SC |
729 | search = new_afile (name, lang_input_file_is_file_enum, default_target); |
730 | ldmain_open_file_read_symbol (search); | |
2fa0b342 | 731 | return search; |
1418c83b SC |
732 | |
733 | ||
2fa0b342 DHW |
734 | } |
735 | ||
736 | static void | |
8ddef552 DM |
737 | wild (s, section, file, target, output) |
738 | lang_wild_statement_type * s; | |
739 | CONST char *CONST section; | |
740 | CONST char *CONST file; | |
741 | CONST char *CONST target; | |
742 | lang_output_section_statement_type * output; | |
2fa0b342 DHW |
743 | { |
744 | lang_input_statement_type *f; | |
075d7359 SC |
745 | |
746 | if (file == (char *) NULL) | |
747 | { | |
748 | /* Perform the iteration over all files in the list */ | |
749 | for (f = (lang_input_statement_type *) file_chain.head; | |
750 | f != (lang_input_statement_type *) NULL; | |
751 | f = (lang_input_statement_type *) f->next) | |
752 | { | |
753 | wild_section (s, section, f, output); | |
754 | } | |
29f33467 SC |
755 | /* Once more for the script file */ |
756 | wild_section(s, section, script_file, output); | |
075d7359 SC |
757 | } |
758 | else | |
759 | { | |
760 | /* Perform the iteration over a single file */ | |
761 | wild_section (s, section, lookup_name (file), output); | |
762 | } | |
763 | if (section != (char *) NULL | |
764 | && strcmp (section, "COMMON") == 0 | |
765 | && default_common_section == (lang_output_section_statement_type *) NULL) | |
766 | { | |
767 | /* Remember the section that common is going to incase we later | |
768 | get something which doesn't know where to put it */ | |
769 | default_common_section = output; | |
2fa0b342 | 770 | } |
2fa0b342 DHW |
771 | } |
772 | ||
773 | /* | |
075d7359 | 774 | read in all the files |
2fa0b342 | 775 | */ |
075d7359 | 776 | static bfd * |
8ddef552 DM |
777 | open_output (name) |
778 | CONST char *CONST name; | |
2fa0b342 | 779 | { |
30d1a390 SC |
780 | extern unsigned long ldfile_output_machine; |
781 | extern enum bfd_architecture ldfile_output_architecture; | |
782 | ||
1418c83b | 783 | extern CONST char *output_filename; |
097879bc | 784 | bfd *output; |
097879bc | 785 | |
075d7359 | 786 | if (output_target == (char *) NULL) |
ae475b39 SC |
787 | { |
788 | if (current_target != (char *) NULL) | |
789 | output_target = current_target; | |
790 | else | |
791 | output_target = default_target; | |
792 | } | |
075d7359 SC |
793 | output = bfd_openw (name, output_target); |
794 | output_filename = name; | |
795 | ||
796 | if (output == (bfd *) NULL) | |
797 | { | |
ae475b39 SC |
798 | if (bfd_error == invalid_target) |
799 | { | |
800 | einfo ("%P%F target %s not found\n", output_target); | |
801 | } | |
22f5b2b9 | 802 | einfo ("%P%F problem opening output file %s, %E\n", name); |
075d7359 | 803 | } |
30d1a390 SC |
804 | |
805 | /* output->flags |= D_PAGED;*/ | |
075d7359 | 806 | |
075d7359 | 807 | bfd_set_format (output, bfd_object); |
ae475b39 SC |
808 | bfd_set_arch_mach (output, |
809 | ldfile_output_architecture, | |
810 | ldfile_output_machine); | |
1b8a42f3 | 811 | bfd_set_gp_size (output, g_switch_value); |
2fa0b342 DHW |
812 | return output; |
813 | } | |
1418c83b SC |
814 | |
815 | ||
097879bc | 816 | |
1418c83b | 817 | |
2fa0b342 | 818 | static void |
8ddef552 DM |
819 | ldlang_open_output (statement) |
820 | lang_statement_union_type * statement; | |
2fa0b342 | 821 | { |
075d7359 SC |
822 | switch (statement->header.type) |
823 | { | |
824 | case lang_output_statement_enum: | |
825 | output_bfd = open_output (statement->output_statement.name); | |
826 | ldemul_set_output_arch (); | |
827 | if (config.magic_demand_paged && !config.relocateable_output) | |
828 | output_bfd->flags |= D_PAGED; | |
829 | else | |
830 | output_bfd->flags &= ~D_PAGED; | |
831 | if (config.text_read_only) | |
832 | output_bfd->flags |= WP_TEXT; | |
833 | else | |
834 | output_bfd->flags &= ~WP_TEXT; | |
835 | break; | |
1418c83b | 836 | |
075d7359 SC |
837 | case lang_target_statement_enum: |
838 | current_target = statement->target_statement.target; | |
839 | break; | |
840 | default: | |
841 | break; | |
842 | } | |
1418c83b | 843 | } |
2fa0b342 | 844 | |
1418c83b | 845 | static void |
8ddef552 DM |
846 | open_input_bfds (statement) |
847 | lang_statement_union_type * statement; | |
1418c83b | 848 | { |
075d7359 SC |
849 | switch (statement->header.type) |
850 | { | |
1418c83b | 851 | case lang_target_statement_enum: |
075d7359 SC |
852 | current_target = statement->target_statement.target; |
853 | break; | |
854 | case lang_wild_statement_enum: | |
855 | /* Maybe we should load the file's symbols */ | |
856 | if (statement->wild_statement.filename) | |
857 | { | |
858 | (void) lookup_name (statement->wild_statement.filename); | |
859 | } | |
860 | break; | |
861 | case lang_input_statement_enum: | |
862 | if (statement->input_statement.real == true) | |
863 | { | |
864 | statement->input_statement.target = current_target; | |
865 | lookup_name (statement->input_statement.filename); | |
866 | } | |
867 | break; | |
868 | default: | |
869 | break; | |
870 | } | |
2fa0b342 | 871 | } |
075d7359 | 872 | |
2fa0b342 DHW |
873 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
874 | ||
875 | static void | |
075d7359 | 876 | lang_reasonable_defaults () |
2fa0b342 | 877 | { |
ffc50032 | 878 | |
ffc50032 | 879 | |
075d7359 | 880 | |
1418c83b | 881 | #if 0 |
075d7359 SC |
882 | lang_output_section_statement_lookup (".text"); |
883 | lang_output_section_statement_lookup (".data"); | |
8cb5eb31 | 884 | |
075d7359 SC |
885 | default_common_section = |
886 | lang_output_section_statement_lookup (".bss"); | |
8cb5eb31 | 887 | |
1418c83b | 888 | |
075d7359 SC |
889 | if (placed_commons == false) |
890 | { | |
891 | lang_wild_statement_type *new = | |
892 | new_stat (lang_wild_statement, | |
893 | &default_common_section->children); | |
894 | ||
895 | new->section_name = "COMMON"; | |
896 | new->filename = (char *) NULL; | |
897 | lang_list_init (&new->children); | |
898 | } | |
1418c83b | 899 | #endif |
8cb5eb31 | 900 | |
2fa0b342 DHW |
901 | } |
902 | ||
1418c83b SC |
903 | /* |
904 | Add the supplied name to the symbol table as an undefined reference. | |
905 | Remove items from the chain as we open input bfds | |
906 | */ | |
075d7359 SC |
907 | typedef struct ldlang_undef_chain_list |
908 | { | |
f177a611 | 909 | struct ldlang_undef_chain_list *next; |
1418c83b | 910 | char *name; |
075d7359 | 911 | } ldlang_undef_chain_list_type; |
1418c83b SC |
912 | |
913 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
914 | ||
915 | void | |
8ddef552 DM |
916 | ldlang_add_undef (name) |
917 | CONST char *CONST name; | |
2fa0b342 | 918 | { |
1418c83b | 919 | ldlang_undef_chain_list_type *new = |
075d7359 SC |
920 | (ldlang_undef_chain_list_type |
921 | *) stat_alloc ((bfd_size_type) (sizeof (ldlang_undef_chain_list_type))); | |
1418c83b SC |
922 | |
923 | new->next = ldlang_undef_chain_list_head; | |
924 | ldlang_undef_chain_list_head = new; | |
925 | ||
075d7359 | 926 | new->name = buystring (name); |
1418c83b | 927 | } |
075d7359 | 928 | |
1418c83b SC |
929 | /* Run through the list of undefineds created above and place them |
930 | into the linker hash table as undefined symbols belonging to the | |
931 | script file. | |
932 | */ | |
933 | static void | |
8ddef552 | 934 | lang_place_undefineds () |
1418c83b SC |
935 | { |
936 | ldlang_undef_chain_list_type *ptr = ldlang_undef_chain_list_head; | |
1418c83b | 937 | |
075d7359 SC |
938 | while (ptr != (ldlang_undef_chain_list_type *) NULL) |
939 | { | |
940 | asymbol *def; | |
941 | asymbol **def_ptr = (asymbol **) stat_alloc ((bfd_size_type) (sizeof (asymbol **))); | |
942 | ||
943 | def = (asymbol *) bfd_make_empty_symbol (script_file->the_bfd); | |
944 | *def_ptr = def; | |
945 | def->name = ptr->name; | |
946 | def->section = &bfd_und_section; | |
947 | Q_enter_global_ref (def_ptr, ptr->name); | |
948 | ptr = ptr->next; | |
949 | } | |
950 | } | |
1418c83b SC |
951 | |
952 | /* Copy important data from out internal form to the bfd way. Also | |
953 | create a section for the dummy file | |
954 | */ | |
955 | ||
956 | static void | |
8ddef552 | 957 | lang_create_output_section_statements () |
1418c83b | 958 | { |
075d7359 SC |
959 | lang_statement_union_type *os; |
960 | ||
1418c83b | 961 | for (os = lang_output_section_statement.head; |
075d7359 SC |
962 | os != (lang_statement_union_type *) NULL; |
963 | os = os->output_section_statement.next) | |
964 | { | |
965 | lang_output_section_statement_type *s = | |
1418c83b | 966 | &os->output_section_statement; |
075d7359 SC |
967 | |
968 | init_os (s); | |
969 | } | |
1418c83b SC |
970 | |
971 | } | |
972 | ||
973 | static void | |
8ddef552 | 974 | lang_init_script_file () |
1418c83b | 975 | { |
29f33467 | 976 | script_file = lang_add_input_file ("command line", |
075d7359 SC |
977 | lang_input_file_is_fake_enum, |
978 | (char *) NULL); | |
29f33467 | 979 | script_file->the_bfd = bfd_create ("command line", output_bfd); |
1418c83b | 980 | script_file->symbol_count = 0; |
29f33467 SC |
981 | script_file->the_bfd->sections = 0; |
982 | ||
983 | /* The user data of a bfd points to the input statement attatched */ | |
984 | script_file->the_bfd->usrdata = (void *)script_file; | |
985 | script_file->common_section = | |
986 | bfd_make_section(script_file->the_bfd,"COMMON"); | |
987 | ||
988 | abs_output_section = | |
989 | lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 990 | |
075d7359 | 991 | abs_output_section->bfd_section = &bfd_abs_section; |
9d1fe8a4 | 992 | |
2fa0b342 DHW |
993 | } |
994 | ||
2fa0b342 DHW |
995 | /* Open input files and attatch to output sections */ |
996 | static void | |
8ddef552 DM |
997 | map_input_to_output_sections (s, target, output_section_statement) |
998 | lang_statement_union_type * s; | |
999 | CONST char *target; | |
1000 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 | 1001 | { |
075d7359 | 1002 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1003 | { |
075d7359 | 1004 | switch (s->header.type) |
2fa0b342 | 1005 | { |
075d7359 SC |
1006 | |
1007 | ||
1008 | case lang_wild_statement_enum: | |
1009 | wild (&s->wild_statement, s->wild_statement.section_name, | |
1010 | s->wild_statement.filename, target, | |
1011 | output_section_statement); | |
1012 | ||
1013 | break; | |
1014 | case lang_constructors_statement_enum: | |
1015 | map_input_to_output_sections (constructor_list.head, | |
1016 | target, | |
1017 | output_section_statement); | |
1018 | break; | |
1019 | case lang_output_section_statement_enum: | |
1020 | map_input_to_output_sections (s->output_section_statement.children.head, | |
1021 | target, | |
1022 | &s->output_section_statement); | |
1023 | break; | |
1024 | case lang_output_statement_enum: | |
1025 | break; | |
1026 | case lang_target_statement_enum: | |
1027 | target = s->target_statement.target; | |
1028 | break; | |
1029 | case lang_fill_statement_enum: | |
1030 | case lang_input_section_enum: | |
1031 | case lang_object_symbols_statement_enum: | |
1032 | case lang_data_statement_enum: | |
1033 | case lang_assignment_statement_enum: | |
1034 | case lang_padding_statement_enum: | |
1035 | break; | |
1036 | case lang_afile_asection_pair_statement_enum: | |
1037 | FAIL (); | |
1038 | break; | |
1039 | case lang_address_statement_enum: | |
1040 | /* Mark the specified section with the supplied address */ | |
1041 | { | |
1042 | lang_output_section_statement_type *os = | |
2fa0b342 | 1043 | lang_output_section_statement_lookup |
075d7359 SC |
1044 | (s->address_statement.section_name); |
1045 | ||
1046 | os->addr_tree = s->address_statement.address; | |
1047 | if (os->bfd_section == (asection *) NULL) | |
1048 | { | |
1049 | einfo ("%P%F can't set the address of undefined section %s\n", | |
1050 | s->address_statement.section_name); | |
1051 | } | |
48491e2e | 1052 | } |
075d7359 SC |
1053 | break; |
1054 | case lang_input_statement_enum: | |
1055 | /* A standard input statement, has no wildcards */ | |
1056 | /* ldmain_open_file_read_symbol(&s->input_statement);*/ | |
1057 | break; | |
2fa0b342 | 1058 | } |
2fa0b342 DHW |
1059 | } |
1060 | } | |
1061 | ||
1062 | ||
1063 | ||
1064 | ||
1065 | ||
075d7359 | 1066 | static void |
8ddef552 DM |
1067 | print_output_section_statement (output_section_statement) |
1068 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 DHW |
1069 | { |
1070 | asection *section = output_section_statement->bfd_section; | |
075d7359 SC |
1071 | |
1072 | print_nl (); | |
1073 | print_section (output_section_statement->name); | |
1074 | ||
e20873a7 | 1075 | |
075d7359 | 1076 | if (section) |
e20873a7 JG |
1077 | { |
1078 | print_dot = section->vma; | |
1079 | print_space (); | |
1080 | print_section (""); | |
1081 | print_space (); | |
1082 | print_address (section->vma); | |
1083 | print_space (); | |
1084 | print_size (section->_raw_size); | |
1085 | print_space(); | |
1086 | print_size(section->_cooked_size); | |
1087 | print_space (); | |
1088 | print_alignment (section->alignment_power); | |
1089 | print_space (); | |
2fa0b342 | 1090 | #if 0 |
e20873a7 JG |
1091 | fprintf (config.map_file, "%s flags", output_section_statement->region->name); |
1092 | print_flags (stdout, &output_section_statement->flags); | |
2fa0b342 | 1093 | #endif |
e20873a7 JG |
1094 | if (section->flags & SEC_LOAD) |
1095 | fprintf (config.map_file, "load "); | |
1096 | if (section->flags & SEC_ALLOC) | |
1097 | fprintf (config.map_file, "alloc "); | |
1098 | if (section->flags & SEC_RELOC) | |
1099 | fprintf (config.map_file, "reloc "); | |
1100 | if (section->flags & SEC_HAS_CONTENTS) | |
1101 | fprintf (config.map_file, "contents "); | |
2fa0b342 | 1102 | |
e20873a7 | 1103 | } |
075d7359 | 1104 | else |
e20873a7 JG |
1105 | { |
1106 | fprintf (config.map_file, "No attached output section"); | |
1107 | } | |
1108 | print_nl (); | |
9fce28ed SC |
1109 | if (output_section_statement->load_base) |
1110 | { | |
1111 | int b = exp_get_value_int(output_section_statement->load_base, | |
1112 | 0, "output base", lang_final_phase_enum); | |
1113 | printf("Output address %08x\n", b); | |
1114 | } | |
e20873a7 JG |
1115 | if (output_section_statement->section_alignment >= 0 |
1116 | || output_section_statement->section_alignment >= 0) | |
1117 | { | |
1118 | printf("\t\t\t\t\tforced alignment "); | |
1119 | if ( output_section_statement->section_alignment >= 0) | |
075d7359 | 1120 | { |
e20873a7 | 1121 | printf("section 2**%d ",output_section_statement->section_alignment ); |
075d7359 | 1122 | } |
e20873a7 JG |
1123 | if ( output_section_statement->subsection_alignment >= 0) |
1124 | { | |
1125 | printf("subsection 2**%d ",output_section_statement->subsection_alignment ); | |
1126 | } | |
1127 | ||
1128 | print_nl (); | |
1129 | } | |
075d7359 SC |
1130 | print_statement (output_section_statement->children.head, |
1131 | output_section_statement); | |
2fa0b342 DHW |
1132 | |
1133 | } | |
1134 | ||
075d7359 | 1135 | static void |
8ddef552 DM |
1136 | print_assignment (assignment, output_section) |
1137 | lang_assignment_statement_type * assignment; | |
1138 | lang_output_section_statement_type * output_section; | |
2fa0b342 DHW |
1139 | { |
1140 | etree_value_type result; | |
075d7359 SC |
1141 | |
1142 | print_section (""); | |
1143 | print_space (); | |
1144 | print_section (""); | |
1145 | print_space (); | |
1146 | print_address (print_dot); | |
1147 | print_space (); | |
1148 | result = exp_fold_tree (assignment->exp->assign.src, | |
1149 | output_section, | |
1150 | lang_final_phase_enum, | |
1151 | print_dot, | |
1152 | &print_dot); | |
1153 | ||
1154 | if (result.valid) | |
1155 | { | |
1156 | print_address (result.value); | |
1157 | } | |
1158 | else | |
1159 | { | |
1160 | fprintf (config.map_file, "*undefined*"); | |
1161 | } | |
1162 | print_space (); | |
1163 | exp_print_tree (assignment->exp); | |
1164 | ||
1165 | fprintf (config.map_file, "\n"); | |
2fa0b342 DHW |
1166 | } |
1167 | ||
1168 | static void | |
8ddef552 DM |
1169 | print_input_statement (statm) |
1170 | lang_input_statement_type * statm; | |
2fa0b342 | 1171 | { |
075d7359 SC |
1172 | if (statm->filename != (char *) NULL) |
1173 | { | |
1174 | fprintf (config.map_file, "LOAD %s\n", statm->filename); | |
1175 | } | |
2fa0b342 DHW |
1176 | } |
1177 | ||
075d7359 | 1178 | static void |
8ddef552 DM |
1179 | print_symbol (q) |
1180 | asymbol * q; | |
2fa0b342 | 1181 | { |
075d7359 SC |
1182 | print_section (""); |
1183 | fprintf (config.map_file, " "); | |
1184 | print_section (""); | |
1185 | fprintf (config.map_file, " "); | |
1186 | print_address (outside_symbol_address (q)); | |
1187 | fprintf (config.map_file, " %s", q->name ? q->name : " "); | |
1188 | print_nl (); | |
2fa0b342 | 1189 | } |
1418c83b | 1190 | |
075d7359 | 1191 | static void |
8ddef552 DM |
1192 | print_input_section (in) |
1193 | lang_input_section_type * in; | |
2fa0b342 DHW |
1194 | { |
1195 | asection *i = in->section; | |
aa34a7c3 | 1196 | int size = i->reloc_done ? |
075d7359 SC |
1197 | bfd_get_section_size_after_reloc (i) : |
1198 | bfd_get_section_size_before_reloc (i); | |
1418c83b | 1199 | |
075d7359 SC |
1200 | if (size != 0) |
1201 | { | |
1202 | print_section (""); | |
1203 | fprintf (config.map_file, " "); | |
1204 | print_section (i->name); | |
1205 | fprintf (config.map_file, " "); | |
1206 | if (i->output_section) | |
1207 | { | |
1208 | print_address (i->output_section->vma + i->output_offset); | |
1209 | fprintf (config.map_file, " "); | |
ae475b39 SC |
1210 | print_size (i->_raw_size); |
1211 | fprintf (config.map_file, " "); | |
1212 | print_size(i->_cooked_size); | |
075d7359 SC |
1213 | fprintf (config.map_file, " "); |
1214 | print_alignment (i->alignment_power); | |
1215 | fprintf (config.map_file, " "); | |
1216 | if (in->ifile) | |
1217 | { | |
2fa0b342 | 1218 | |
075d7359 | 1219 | bfd *abfd = in->ifile->the_bfd; |
2fa0b342 | 1220 | |
075d7359 SC |
1221 | if (in->ifile->just_syms_flag == true) |
1222 | { | |
1223 | fprintf (config.map_file, "symbols only "); | |
1224 | } | |
2fa0b342 | 1225 | |
075d7359 SC |
1226 | fprintf (config.map_file, " %s ", abfd->xvec->name); |
1227 | if (abfd->my_archive != (bfd *) NULL) | |
1228 | { | |
1229 | fprintf (config.map_file, "[%s]%s", abfd->my_archive->filename, | |
1230 | abfd->filename); | |
1231 | } | |
1232 | else | |
1233 | { | |
1234 | fprintf (config.map_file, "%s", abfd->filename); | |
1235 | } | |
1236 | fprintf (config.map_file, "(overhead %d bytes)", (int) bfd_alloc_size (abfd)); | |
1237 | print_nl (); | |
2fa0b342 | 1238 | |
075d7359 SC |
1239 | /* Find all the symbols in this file defined in this section */ |
1240 | ||
ae475b39 SC |
1241 | if (in->ifile->symbol_count) |
1242 | { | |
1243 | asymbol **p; | |
075d7359 | 1244 | |
ae475b39 SC |
1245 | for (p = in->ifile->asymbols; *p; p++) |
1246 | { | |
1247 | asymbol *q = *p; | |
075d7359 | 1248 | |
ae475b39 SC |
1249 | if (bfd_get_section (q) == i && q->flags & BSF_GLOBAL) |
1250 | { | |
1251 | print_symbol (q); | |
1252 | } | |
1253 | } | |
1254 | } | |
075d7359 SC |
1255 | } |
1256 | else | |
1257 | { | |
1258 | print_nl (); | |
1259 | } | |
1260 | ||
1261 | ||
1262 | print_dot = outside_section_address (i) + size; | |
1263 | } | |
1264 | else | |
1265 | { | |
1266 | fprintf (config.map_file, "No output section allocated\n"); | |
1267 | } | |
1268 | } | |
1269 | } | |
2fa0b342 DHW |
1270 | |
1271 | static void | |
8ddef552 DM |
1272 | print_fill_statement (fill) |
1273 | lang_fill_statement_type * fill; | |
075d7359 SC |
1274 | { |
1275 | fprintf (config.map_file, "FILL mask "); | |
1276 | print_fill (fill->fill); | |
1277 | } | |
1278 | ||
1279 | static void | |
8ddef552 DM |
1280 | print_data_statement (data) |
1281 | lang_data_statement_type * data; | |
2fa0b342 DHW |
1282 | { |
1283 | /* bfd_vma value; */ | |
075d7359 SC |
1284 | print_section (""); |
1285 | print_space (); | |
1286 | print_section (""); | |
1287 | print_space (); | |
65c552e3 | 1288 | /* ASSERT(print_dot == data->output_vma);*/ |
2fa0b342 | 1289 | |
075d7359 SC |
1290 | print_address (data->output_vma + data->output_section->vma); |
1291 | print_space (); | |
1292 | print_address (data->value); | |
1293 | print_space (); | |
1294 | switch (data->type) | |
1295 | { | |
1296 | case BYTE: | |
1297 | fprintf (config.map_file, "BYTE "); | |
1298 | print_dot += BYTE_SIZE; | |
1299 | break; | |
1300 | case SHORT: | |
1301 | fprintf (config.map_file, "SHORT "); | |
1302 | print_dot += SHORT_SIZE; | |
1303 | break; | |
1304 | case LONG: | |
1305 | fprintf (config.map_file, "LONG "); | |
1306 | print_dot += LONG_SIZE; | |
1307 | break; | |
1308 | } | |
1309 | ||
1310 | exp_print_tree (data->exp); | |
2fa0b342 | 1311 | |
075d7359 | 1312 | fprintf (config.map_file, "\n"); |
2fa0b342 DHW |
1313 | } |
1314 | ||
1315 | ||
1316 | static void | |
8ddef552 DM |
1317 | print_padding_statement (s) |
1318 | lang_padding_statement_type * s; | |
075d7359 SC |
1319 | { |
1320 | print_section (""); | |
1321 | print_space (); | |
1322 | print_section ("*fill*"); | |
1323 | print_space (); | |
1324 | print_address (s->output_offset + s->output_section->vma); | |
1325 | print_space (); | |
1326 | print_size (s->size); | |
1327 | print_space (); | |
1328 | print_fill (s->fill); | |
1329 | print_nl (); | |
ffc50032 | 1330 | |
aa34a7c3 | 1331 | print_dot = s->output_offset + s->output_section->vma + s->size; |
ffc50032 | 1332 | |
2fa0b342 DHW |
1333 | } |
1334 | ||
075d7359 | 1335 | static void |
8ddef552 DM |
1336 | print_wild_statement (w, os) |
1337 | lang_wild_statement_type * w; | |
1338 | lang_output_section_statement_type * os; | |
2fa0b342 | 1339 | { |
075d7359 SC |
1340 | fprintf (config.map_file, " from "); |
1341 | if (w->filename != (char *) NULL) | |
1342 | { | |
1343 | fprintf (config.map_file, "%s", w->filename); | |
1344 | } | |
1345 | else | |
1346 | { | |
1347 | fprintf (config.map_file, "*"); | |
1348 | } | |
1349 | if (w->section_name != (char *) NULL) | |
1350 | { | |
1351 | fprintf (config.map_file, "(%s)", w->section_name); | |
1352 | } | |
1353 | else | |
1354 | { | |
1355 | fprintf (config.map_file, "(*)"); | |
1356 | } | |
1357 | print_nl (); | |
1358 | print_statement (w->children.head, os); | |
2fa0b342 DHW |
1359 | |
1360 | } | |
1361 | static void | |
8ddef552 DM |
1362 | print_statement (s, os) |
1363 | lang_statement_union_type * s; | |
1364 | lang_output_section_statement_type * os; | |
2fa0b342 | 1365 | { |
075d7359 | 1366 | while (s) |
c611e285 | 1367 | { |
075d7359 | 1368 | switch (s->header.type) |
c611e285 | 1369 | { |
075d7359 SC |
1370 | case lang_constructors_statement_enum: |
1371 | fprintf (config.map_file, "constructors:\n"); | |
1372 | print_statement (constructor_list.head, os); | |
1373 | break; | |
1374 | case lang_wild_statement_enum: | |
1375 | print_wild_statement (&s->wild_statement, os); | |
1376 | break; | |
1377 | default: | |
1378 | fprintf (config.map_file, "Fail with %d\n", s->header.type); | |
1379 | FAIL (); | |
1380 | break; | |
1381 | case lang_address_statement_enum: | |
1382 | fprintf (config.map_file, "address\n"); | |
1383 | break; | |
1384 | case lang_object_symbols_statement_enum: | |
1385 | fprintf (config.map_file, "object symbols\n"); | |
1386 | break; | |
1387 | case lang_fill_statement_enum: | |
1388 | print_fill_statement (&s->fill_statement); | |
1389 | break; | |
1390 | case lang_data_statement_enum: | |
1391 | print_data_statement (&s->data_statement); | |
1392 | break; | |
1393 | case lang_input_section_enum: | |
1394 | print_input_section (&s->input_section); | |
1395 | break; | |
1396 | case lang_padding_statement_enum: | |
1397 | print_padding_statement (&s->padding_statement); | |
1398 | break; | |
1399 | case lang_output_section_statement_enum: | |
1400 | print_output_section_statement (&s->output_section_statement); | |
1401 | break; | |
1402 | case lang_assignment_statement_enum: | |
1403 | print_assignment (&s->assignment_statement, | |
1404 | os); | |
1405 | break; | |
1406 | case lang_target_statement_enum: | |
1407 | fprintf (config.map_file, "TARGET(%s)\n", s->target_statement.target); | |
1408 | break; | |
1409 | case lang_output_statement_enum: | |
1410 | fprintf (config.map_file, "OUTPUT(%s %s)\n", | |
c611e285 | 1411 | s->output_statement.name, |
e20873a7 | 1412 | output_target ? output_target : ""); |
075d7359 SC |
1413 | break; |
1414 | case lang_input_statement_enum: | |
1415 | print_input_statement (&s->input_statement); | |
1416 | break; | |
1417 | case lang_afile_asection_pair_statement_enum: | |
1418 | FAIL (); | |
1419 | break; | |
c611e285 | 1420 | } |
075d7359 | 1421 | s = s->next; |
2fa0b342 | 1422 | } |
2fa0b342 DHW |
1423 | } |
1424 | ||
1425 | ||
1426 | static void | |
8ddef552 | 1427 | print_statements () |
2fa0b342 | 1428 | { |
075d7359 SC |
1429 | print_statement (statement_list.head, |
1430 | abs_output_section); | |
1431 | ||
2fa0b342 DHW |
1432 | } |
1433 | ||
1434 | static bfd_vma | |
075d7359 | 1435 | DEFUN (insert_pad, (this_ptr, fill, power, output_section_statement, dot), |
8ddef552 DM |
1436 | lang_statement_union_type ** this_ptr AND |
1437 | fill_type fill AND | |
1438 | unsigned int power AND | |
1439 | asection * output_section_statement AND | |
1440 | bfd_vma dot) | |
075d7359 SC |
1441 | { |
1442 | /* Align this section first to the | |
2fa0b342 DHW |
1443 | input sections requirement, then |
1444 | to the output section's requirement. | |
075d7359 | 1445 | If this alignment is > than any seen before, |
2fa0b342 DHW |
1446 | then record it too. Perform the alignment by |
1447 | inserting a magic 'padding' statement. | |
1448 | */ | |
1449 | ||
075d7359 | 1450 | unsigned int alignment_needed = align_power (dot, power) - dot; |
2fa0b342 | 1451 | |
075d7359 | 1452 | if (alignment_needed != 0) |
2fa0b342 | 1453 | { |
075d7359 SC |
1454 | lang_statement_union_type *new = |
1455 | (lang_statement_union_type *) | |
1456 | stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type))); | |
1457 | ||
2fa0b342 DHW |
1458 | /* Link into existing chain */ |
1459 | new->header.next = *this_ptr; | |
1460 | *this_ptr = new; | |
1461 | new->header.type = lang_padding_statement_enum; | |
1462 | new->padding_statement.output_section = output_section_statement; | |
1463 | new->padding_statement.output_offset = | |
1464 | dot - output_section_statement->vma; | |
1465 | new->padding_statement.fill = fill; | |
1466 | new->padding_statement.size = alignment_needed; | |
1467 | } | |
1468 | ||
1469 | ||
1470 | /* Remember the most restrictive alignment */ | |
075d7359 SC |
1471 | if (power > output_section_statement->alignment_power) |
1472 | { | |
1473 | output_section_statement->alignment_power = power; | |
1474 | } | |
c611e285 | 1475 | output_section_statement->_raw_size += alignment_needed; |
2fa0b342 DHW |
1476 | return alignment_needed + dot; |
1477 | ||
1478 | } | |
1479 | ||
1418c83b | 1480 | /* Work out how much this section will move the dot point */ |
075d7359 | 1481 | static bfd_vma |
8ddef552 DM |
1482 | DEFUN (size_input_section, (this_ptr, output_section_statement, fill, dot, relax), |
1483 | lang_statement_union_type ** this_ptr AND | |
1484 | lang_output_section_statement_type * output_section_statement AND | |
1485 | unsigned short fill AND | |
1486 | bfd_vma dot AND | |
1487 | boolean relax) | |
2fa0b342 DHW |
1488 | { |
1489 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1490 | asection *i = is->section; | |
2fa0b342 | 1491 | |
075d7359 SC |
1492 | if (is->ifile->just_syms_flag == false) |
1493 | { | |
e20873a7 JG |
1494 | if (output_section_statement->subsection_alignment != -1) |
1495 | i->alignment_power = | |
1496 | output_section_statement->subsection_alignment; | |
1497 | ||
075d7359 SC |
1498 | dot = insert_pad (this_ptr, fill, i->alignment_power, |
1499 | output_section_statement->bfd_section, dot); | |
1500 | ||
1501 | /* remember the largest size so we can malloc the largest area | |
1502 | needed for the output stage. Only remember the size of sections | |
1503 | which we will actually allocate */ | |
8ddef552 | 1504 | if ((i->flags & SEC_HAS_CONTENTS) != 0 |
075d7359 SC |
1505 | && (bfd_get_section_size_before_reloc (i) > largest_section)) |
1506 | { | |
1507 | largest_section = bfd_get_section_size_before_reloc (i); | |
1508 | } | |
2fa0b342 | 1509 | |
075d7359 | 1510 | /* Remember where in the output section this input section goes */ |
ac004870 | 1511 | |
075d7359 SC |
1512 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1513 | ||
ae475b39 SC |
1514 | /* Mark how big the output section must be to contain this now |
1515 | */ | |
1516 | if (relax) | |
1517 | { | |
1518 | dot += i->_cooked_size; | |
1519 | } | |
1520 | else | |
1521 | { | |
1522 | dot += i->_raw_size; | |
1523 | } | |
1524 | output_section_statement->bfd_section->_raw_size = dot - output_section_statement->bfd_section->vma; | |
075d7359 | 1525 | } |
ac004870 | 1526 | else |
075d7359 SC |
1527 | { |
1528 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1529 | } | |
2fa0b342 | 1530 | |
075d7359 | 1531 | return dot; |
2fa0b342 DHW |
1532 | } |
1533 | ||
c611e285 SC |
1534 | /* Sizing happens in two passes, first pass we allocate worst case |
1535 | stuff. The second pass (if relaxing), we use what we learnt to | |
1536 | change the size of some relocs from worst case to better | |
1537 | */ | |
1538 | static boolean had_relax; | |
1539 | ||
1540 | static bfd_vma | |
8ddef552 DM |
1541 | DEFUN (lang_size_sections, (s, output_section_statement, prev, fill, dot, relax), |
1542 | lang_statement_union_type * s AND | |
1543 | lang_output_section_statement_type * output_section_statement AND | |
1544 | lang_statement_union_type ** prev AND | |
1545 | unsigned short fill AND | |
1546 | bfd_vma dot AND | |
1547 | boolean relax) | |
c611e285 SC |
1548 | { |
1549 | /* Size up the sections from their constituent parts */ | |
075d7359 | 1550 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
ae475b39 SC |
1551 | { |
1552 | switch (s->header.type) | |
075d7359 | 1553 | { |
c611e285 | 1554 | |
ae475b39 SC |
1555 | case lang_output_section_statement_enum: |
1556 | { | |
1557 | bfd_vma after; | |
1558 | lang_output_section_statement_type *os = &s->output_section_statement; | |
1559 | ||
e20873a7 JG |
1560 | /* If this is a shared library section, don't change the size |
1561 | and address. */ | |
1562 | if (os->bfd_section->flags & SEC_SHARED_LIBRARY) | |
e9b63852 ILT |
1563 | break; |
1564 | ||
ae475b39 SC |
1565 | if (os->bfd_section == &bfd_abs_section) |
1566 | { | |
1567 | /* No matter what happens, an abs section starts at zero */ | |
1568 | bfd_set_section_vma (0, os->bfd_section, 0); | |
1569 | } | |
1570 | else | |
1571 | { | |
1572 | if (os->addr_tree == (etree_type *) NULL) | |
1573 | { | |
1574 | /* No address specified for this section, get one | |
1575 | from the region specification | |
1576 | */ | |
1577 | if (os->region == (lang_memory_region_type *) NULL) | |
1578 | { | |
1579 | os->region = lang_memory_region_lookup ("*default*"); | |
1580 | } | |
1581 | dot = os->region->current; | |
1582 | } | |
1583 | else | |
1584 | { | |
1585 | etree_value_type r; | |
1586 | ||
1587 | r = exp_fold_tree (os->addr_tree, | |
1588 | abs_output_section, | |
1589 | lang_allocating_phase_enum, | |
1590 | dot, &dot); | |
1591 | if (r.valid == false) | |
1592 | { | |
1593 | einfo ("%F%S: non constant address expression for section %s\n", | |
1594 | os->name); | |
1595 | } | |
1596 | dot = r.value; | |
1597 | } | |
1598 | /* The section starts here */ | |
1599 | /* First, align to what the section needs */ | |
1600 | ||
1601 | ||
1602 | dot = align_power (dot, os->bfd_section->alignment_power); | |
1603 | bfd_set_section_vma (0, os->bfd_section, dot); | |
9fce28ed SC |
1604 | |
1605 | if (os->load_base) { | |
1606 | os->bfd_section->lma | |
1607 | = exp_get_value_int(os->load_base, 0,"load base", lang_final_phase_enum); | |
1608 | } | |
ae475b39 SC |
1609 | } |
1610 | ||
1611 | ||
1612 | os->bfd_section->output_offset = 0; | |
1613 | ||
1614 | (void) lang_size_sections (os->children.head, os, &os->children.head, | |
1615 | os->fill, dot, relax); | |
1616 | /* Ignore the size of the input sections, use the vma and size to */ | |
1617 | /* align against */ | |
1618 | ||
1619 | ||
8ddef552 | 1620 | after = ALIGN_N (os->bfd_section->vma + |
ae475b39 SC |
1621 | os->bfd_section->_raw_size, |
1622 | os->block_value); | |
1623 | ||
1624 | ||
1625 | os->bfd_section->_raw_size = after - os->bfd_section->vma; | |
1626 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1627 | os->processed = true; | |
1628 | ||
1629 | /* Replace into region ? */ | |
1630 | if (os->addr_tree == (etree_type *) NULL | |
1631 | && os->region != (lang_memory_region_type *) NULL) | |
1632 | { | |
1633 | os->region->current = dot; | |
1634 | /* Make sure this isn't silly */ | |
9fce28ed SC |
1635 | if (( os->region->current |
1636 | > os->region->origin + os->region->length) | |
1637 | || ( os->region->origin > os->region->current )) | |
1638 | { | |
1639 | einfo ("%X%P: Region %s is full (%B section %s)\n", | |
1640 | os->region->name, | |
1641 | os->bfd_section->owner, | |
1642 | os->bfd_section->name); | |
1643 | /* Reset the region pointer */ | |
1644 | os->region->current = 0; | |
ae475b39 | 1645 | |
9fce28ed | 1646 | } |
ae475b39 SC |
1647 | |
1648 | } | |
1649 | } | |
9d1fe8a4 | 1650 | |
ae475b39 SC |
1651 | break; |
1652 | case lang_constructors_statement_enum: | |
1653 | dot = lang_size_sections (constructor_list.head, | |
1654 | output_section_statement, | |
1655 | &s->wild_statement.children.head, | |
1656 | fill, | |
1657 | dot, relax); | |
1658 | break; | |
9d1fe8a4 | 1659 | |
ae475b39 SC |
1660 | case lang_data_statement_enum: |
1661 | { | |
1662 | unsigned int size = 0; | |
1663 | ||
1664 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; | |
1665 | s->data_statement.output_section = | |
1666 | output_section_statement->bfd_section; | |
1667 | ||
1668 | switch (s->data_statement.type) | |
1669 | { | |
1670 | case LONG: | |
1671 | size = LONG_SIZE; | |
1672 | break; | |
1673 | case SHORT: | |
1674 | size = SHORT_SIZE; | |
1675 | break; | |
1676 | case BYTE: | |
1677 | size = BYTE_SIZE; | |
1678 | break; | |
1679 | ||
1680 | } | |
1681 | dot += size; | |
1682 | output_section_statement->bfd_section->_raw_size += size; | |
1683 | } | |
1684 | break; | |
c611e285 | 1685 | |
ae475b39 | 1686 | case lang_wild_statement_enum: |
c611e285 | 1687 | |
ae475b39 SC |
1688 | dot = lang_size_sections (s->wild_statement.children.head, |
1689 | output_section_statement, | |
1690 | &s->wild_statement.children.head, | |
c611e285 | 1691 | |
ae475b39 | 1692 | fill, dot, relax); |
c611e285 | 1693 | |
ae475b39 | 1694 | break; |
c611e285 | 1695 | |
ae475b39 SC |
1696 | case lang_object_symbols_statement_enum: |
1697 | create_object_symbols = output_section_statement; | |
1698 | break; | |
1699 | case lang_output_statement_enum: | |
1700 | case lang_target_statement_enum: | |
1701 | break; | |
1702 | case lang_input_section_enum: | |
1703 | if (relax) | |
1704 | { | |
1705 | relaxing = true; | |
c611e285 | 1706 | |
ae475b39 SC |
1707 | if( relax_section (prev)) |
1708 | had_relax = true; | |
1709 | relaxing = false; | |
075d7359 | 1710 | |
ae475b39 SC |
1711 | } |
1712 | else { | |
1713 | (*prev)->input_section.section->_cooked_size = | |
1714 | (*prev)->input_section.section->_raw_size ; | |
075d7359 | 1715 | |
ae475b39 SC |
1716 | } |
1717 | dot = size_input_section (prev, | |
1718 | output_section_statement, | |
1719 | output_section_statement->fill, | |
1720 | dot, relax); | |
1721 | break; | |
1722 | case lang_input_statement_enum: | |
1723 | break; | |
1724 | case lang_fill_statement_enum: | |
1725 | s->fill_statement.output_section = output_section_statement->bfd_section; | |
075d7359 | 1726 | |
ae475b39 SC |
1727 | fill = s->fill_statement.fill; |
1728 | break; | |
1729 | case lang_assignment_statement_enum: | |
1730 | { | |
1731 | bfd_vma newdot = dot; | |
1732 | ||
1733 | exp_fold_tree (s->assignment_statement.exp, | |
1734 | output_section_statement, | |
1735 | lang_allocating_phase_enum, | |
1736 | dot, | |
1737 | &newdot); | |
1738 | ||
1739 | if (newdot != dot && !relax) | |
1740 | /* We've been moved ! so insert a pad */ | |
1741 | { | |
1742 | lang_statement_union_type *new = | |
1743 | (lang_statement_union_type *) | |
1744 | stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type))); | |
1745 | ||
1746 | /* Link into existing chain */ | |
1747 | new->header.next = *prev; | |
1748 | *prev = new; | |
1749 | new->header.type = lang_padding_statement_enum; | |
1750 | new->padding_statement.output_section = | |
1751 | output_section_statement->bfd_section; | |
1752 | new->padding_statement.output_offset = | |
1753 | dot - output_section_statement->bfd_section->vma; | |
1754 | new->padding_statement.fill = fill; | |
1755 | new->padding_statement.size = newdot - dot; | |
1756 | output_section_statement->bfd_section->_raw_size += | |
1757 | new->padding_statement.size; | |
1758 | dot = newdot; | |
1759 | } | |
1760 | } | |
075d7359 | 1761 | |
ae475b39 SC |
1762 | break; |
1763 | default: | |
1764 | FAIL (); | |
1765 | break; | |
1766 | /* This can only get here when relaxing is turned on */ | |
1767 | case lang_padding_statement_enum: | |
075d7359 | 1768 | |
ae475b39 SC |
1769 | case lang_address_statement_enum: |
1770 | break; | |
075d7359 | 1771 | } |
ae475b39 SC |
1772 | prev = &s->header.next; |
1773 | } | |
c611e285 SC |
1774 | return dot; |
1775 | } | |
9d1fe8a4 | 1776 | |
2fa0b342 | 1777 | static bfd_vma |
075d7359 | 1778 | DEFUN (lang_do_assignments, (s, output_section_statement, fill, dot), |
8ddef552 DM |
1779 | lang_statement_union_type * s AND |
1780 | lang_output_section_statement_type * output_section_statement AND | |
1781 | unsigned short fill AND | |
1782 | bfd_vma dot) | |
2fa0b342 DHW |
1783 | { |
1784 | ||
075d7359 | 1785 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1786 | { |
075d7359 | 1787 | switch (s->header.type) |
2fa0b342 | 1788 | { |
075d7359 SC |
1789 | case lang_constructors_statement_enum: |
1790 | dot = lang_do_assignments (constructor_list.head, | |
1791 | output_section_statement, | |
1792 | fill, | |
1793 | dot); | |
1794 | break; | |
1795 | ||
1796 | case lang_output_section_statement_enum: | |
1797 | { | |
1798 | lang_output_section_statement_type *os = | |
2fa0b342 | 1799 | &(s->output_section_statement); |
2fa0b342 | 1800 | |
075d7359 SC |
1801 | dot = os->bfd_section->vma; |
1802 | (void) lang_do_assignments (os->children.head, os, os->fill, dot); | |
1803 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1804 | } | |
1805 | break; | |
1806 | case lang_wild_statement_enum: | |
2fa0b342 | 1807 | |
075d7359 SC |
1808 | dot = lang_do_assignments (s->wild_statement.children.head, |
1809 | output_section_statement, | |
1810 | fill, dot); | |
2fa0b342 | 1811 | |
075d7359 SC |
1812 | break; |
1813 | ||
1814 | case lang_object_symbols_statement_enum: | |
1815 | case lang_output_statement_enum: | |
1816 | case lang_target_statement_enum: | |
1418c83b | 1817 | #if 0 |
075d7359 | 1818 | case lang_common_statement_enum: |
1418c83b | 1819 | #endif |
2fa0b342 | 1820 | break; |
075d7359 SC |
1821 | case lang_data_statement_enum: |
1822 | { | |
1823 | etree_value_type value; | |
1824 | ||
1825 | value = exp_fold_tree (s->data_statement.exp, | |
1826 | abs_output_section, | |
1827 | lang_final_phase_enum, dot, &dot); | |
1828 | s->data_statement.value = value.value; | |
1829 | if (value.valid == false) | |
1830 | einfo ("%F%P: Invalid data statement\n"); | |
1831 | } | |
1832 | switch (s->data_statement.type) | |
1833 | { | |
1834 | case LONG: | |
1835 | dot += LONG_SIZE; | |
1836 | break; | |
1837 | case SHORT: | |
1838 | dot += SHORT_SIZE; | |
1839 | break; | |
1840 | case BYTE: | |
1841 | dot += BYTE_SIZE; | |
1842 | break; | |
1843 | } | |
2fa0b342 | 1844 | break; |
075d7359 SC |
1845 | case lang_input_section_enum: |
1846 | { | |
1847 | asection *in = s->input_section.section; | |
1848 | ||
1849 | dot += bfd_get_section_size_before_reloc (in); | |
1850 | } | |
2fa0b342 | 1851 | break; |
2fa0b342 | 1852 | |
075d7359 SC |
1853 | case lang_input_statement_enum: |
1854 | break; | |
1855 | case lang_fill_statement_enum: | |
1856 | fill = s->fill_statement.fill; | |
1857 | break; | |
1858 | case lang_assignment_statement_enum: | |
1859 | { | |
1860 | exp_fold_tree (s->assignment_statement.exp, | |
1861 | output_section_statement, | |
1862 | lang_final_phase_enum, | |
1863 | dot, | |
1864 | &dot); | |
1865 | } | |
1866 | ||
1867 | break; | |
1868 | case lang_padding_statement_enum: | |
1869 | dot += s->padding_statement.size; | |
1870 | break; | |
1871 | default: | |
1872 | FAIL (); | |
1873 | break; | |
1874 | case lang_address_statement_enum: | |
1875 | break; | |
1876 | } | |
2fa0b342 DHW |
1877 | |
1878 | } | |
1879 | return dot; | |
1880 | } | |
1881 | ||
1882 | ||
1883 | ||
075d7359 | 1884 | static void |
8ddef552 | 1885 | lang_relocate_globals () |
075d7359 | 1886 | { |
2fa0b342 | 1887 | /* |
1418c83b SC |
1888 | Each ldsym_type maintains a chain of pointers to asymbols which |
1889 | references the definition. Replace each pointer to the referenence | |
1890 | with a pointer to only one place, preferably the definition. If | |
1891 | the defintion isn't available then the common symbol, and if | |
1892 | there isn't one of them then choose one reference. | |
1893 | */ | |
2fa0b342 | 1894 | |
075d7359 SC |
1895 | FOR_EACH_LDSYM (lgs) |
1896 | { | |
2fa0b342 | 1897 | asymbol *it; |
2fa0b342 | 1898 | |
075d7359 SC |
1899 | if (lgs->sdefs_chain) |
1900 | { | |
1901 | it = *(lgs->sdefs_chain); | |
1902 | } | |
1903 | else if (lgs->scoms_chain != (asymbol **) NULL) | |
1904 | { | |
1905 | it = *(lgs->scoms_chain); | |
1906 | } | |
1907 | else if (lgs->srefs_chain != (asymbol **) NULL) | |
1908 | { | |
1909 | it = *(lgs->srefs_chain); | |
1910 | } | |
1911 | else | |
1912 | { | |
1913 | /* This can happen when the command line asked for a symbol to | |
1914 | be -u */ | |
1915 | it = (asymbol *) NULL; | |
1916 | } | |
1917 | if (it != (asymbol *) NULL) | |
1918 | { | |
29f33467 | 1919 | asymbol **prev = 0; |
075d7359 SC |
1920 | asymbol **ptr = lgs->srefs_chain;; |
1921 | if (lgs->flags & SYM_WARNING) | |
1922 | { | |
1923 | produce_warnings (lgs, it); | |
1924 | } | |
1925 | ||
29f33467 SC |
1926 | while (ptr != (asymbol **) NULL |
1927 | && ptr != prev) | |
075d7359 | 1928 | { |
1418c83b | 1929 | asymbol *ref = *ptr; |
29f33467 | 1930 | prev = ptr; |
1418c83b | 1931 | *ptr = it; |
075d7359 | 1932 | ptr = (asymbol **) (ref->udata); |
1418c83b | 1933 | } |
075d7359 | 1934 | } |
2fa0b342 DHW |
1935 | } |
1936 | } | |
1937 | ||
1938 | ||
1939 | ||
2fa0b342 | 1940 | static void |
8ddef552 | 1941 | lang_finish () |
2fa0b342 DHW |
1942 | { |
1943 | ldsym_type *lgs; | |
81150d34 | 1944 | int warn = config.relocateable_output != true; |
075d7359 | 1945 | if (entry_symbol == (char *) NULL) |
22a78f0d SC |
1946 | { |
1947 | /* No entry has been specified, look for start, but don't warn */ | |
1948 | entry_symbol = "start"; | |
1949 | warn =0; | |
1950 | } | |
075d7359 SC |
1951 | lgs = ldsym_get_soft (entry_symbol); |
1952 | if (lgs && lgs->sdefs_chain) | |
22a78f0d SC |
1953 | { |
1954 | asymbol *sy = *(lgs->sdefs_chain); | |
075d7359 | 1955 | |
22a78f0d SC |
1956 | /* We can set the entry address*/ |
1957 | bfd_set_start_address (output_bfd, | |
1958 | outside_symbol_address (sy)); | |
2fa0b342 | 1959 | |
22a78f0d | 1960 | } |
075d7359 | 1961 | else |
22a78f0d SC |
1962 | { |
1963 | /* Can't find anything reasonable, | |
1964 | use the first address in the text section | |
1965 | */ | |
1966 | asection *ts = bfd_get_section_by_name (output_bfd, ".text"); | |
1967 | if (ts) | |
075d7359 | 1968 | { |
22a78f0d SC |
1969 | if (warn) |
1970 | einfo ("%P: Warning, can't find entry symbol %s, defaulting to %V\n", | |
1971 | entry_symbol, ts->vma); | |
075d7359 | 1972 | |
22a78f0d | 1973 | bfd_set_start_address (output_bfd, ts->vma); |
075d7359 | 1974 | } |
22a78f0d SC |
1975 | else |
1976 | { | |
1977 | if (warn) | |
1978 | einfo ("%P: Warning, can't find entry symbol %s, not setting start address\n", | |
1979 | entry_symbol); | |
1980 | } | |
1981 | } | |
2fa0b342 DHW |
1982 | } |
1983 | ||
1984 | /* By now we know the target architecture, and we may have an */ | |
1985 | /* ldfile_output_machine_name */ | |
1986 | static void | |
8ddef552 | 1987 | lang_check () |
2fa0b342 DHW |
1988 | { |
1989 | lang_statement_union_type *file; | |
075d7359 SC |
1990 | bfd *input_bfd; |
1991 | unsigned long input_machine; | |
1992 | enum bfd_architecture input_architecture; | |
1993 | CONST bfd_arch_info_type *compatible; | |
7bc4a0d7 | 1994 | |
2fa0b342 | 1995 | for (file = file_chain.head; |
075d7359 SC |
1996 | file != (lang_statement_union_type *) NULL; |
1997 | file = file->input_statement.next) | |
1998 | { | |
075d7359 | 1999 | input_bfd = file->input_statement.the_bfd; |
7bc4a0d7 | 2000 | |
075d7359 SC |
2001 | input_machine = bfd_get_mach (input_bfd); |
2002 | input_architecture = bfd_get_arch (input_bfd); | |
7bc4a0d7 | 2003 | |
7bc4a0d7 | 2004 | |
075d7359 SC |
2005 | /* Inspect the architecture and ensure we're linking like with |
2006 | like */ | |
7bc4a0d7 | 2007 | |
075d7359 SC |
2008 | compatible = bfd_arch_get_compatible (input_bfd, |
2009 | output_bfd); | |
22a78f0d | 2010 | |
075d7359 SC |
2011 | if (compatible) |
2012 | { | |
2013 | ldfile_output_machine = compatible->mach; | |
2014 | ldfile_output_architecture = compatible->arch; | |
2015 | } | |
2016 | else | |
2017 | { | |
7bc4a0d7 | 2018 | |
075d7359 SC |
2019 | info ("%P: warning, %s architecture of input file `%B' incompatible with %s output\n", |
2020 | bfd_printable_name (input_bfd), input_bfd, | |
2021 | bfd_printable_name (output_bfd)); | |
7bc4a0d7 | 2022 | |
075d7359 | 2023 | bfd_set_arch_mach (output_bfd, |
22a78f0d SC |
2024 | input_architecture, |
2025 | input_machine); | |
075d7359 | 2026 | } |
2fa0b342 | 2027 | |
075d7359 SC |
2028 | } |
2029 | } | |
2fa0b342 DHW |
2030 | |
2031 | /* | |
075d7359 SC |
2032 | * run through all the global common symbols and tie them |
2033 | * to the output section requested. | |
b6316534 SC |
2034 | * |
2035 | As an experiment we do this 4 times, once for all the byte sizes, | |
2036 | then all the two bytes, all the four bytes and then everything else | |
2037 | */ | |
2fa0b342 DHW |
2038 | |
2039 | static void | |
8ddef552 | 2040 | lang_common () |
2fa0b342 DHW |
2041 | { |
2042 | ldsym_type *lgs; | |
b6316534 | 2043 | size_t power; |
075d7359 | 2044 | |
2fa0b342 | 2045 | if (config.relocateable_output == false || |
075d7359 SC |
2046 | command_line.force_common_definition == true) |
2047 | { | |
2048 | for (power = 1; (config.sort_common == true && power == 1) || (power <= 16); power <<= 1) | |
1418c83b | 2049 | { |
075d7359 SC |
2050 | for (lgs = symbol_head; |
2051 | lgs != (ldsym_type *) NULL; | |
2052 | lgs = lgs->next) | |
2053 | { | |
2054 | asymbol *com; | |
2055 | unsigned int power_of_two; | |
2056 | size_t size; | |
2057 | size_t align; | |
1418c83b | 2058 | |
075d7359 | 2059 | if (lgs->scoms_chain != (asymbol **) NULL) |
1418c83b | 2060 | { |
075d7359 SC |
2061 | com = *(lgs->scoms_chain); |
2062 | size = com->value; | |
2063 | switch (size) | |
2064 | { | |
2065 | case 0: | |
2066 | case 1: | |
2067 | align = 1; | |
2068 | power_of_two = 0; | |
2069 | break; | |
2070 | case 2: | |
2071 | power_of_two = 1; | |
2072 | align = 2; | |
2073 | break; | |
2074 | case 3: | |
2075 | case 4: | |
2076 | power_of_two = 2; | |
2077 | align = 4; | |
2078 | break; | |
2079 | case 5: | |
2080 | case 6: | |
2081 | case 7: | |
2082 | case 8: | |
2083 | power_of_two = 3; | |
2084 | align = 8; | |
2085 | break; | |
2086 | default: | |
2087 | power_of_two = 4; | |
2088 | align = 16; | |
2089 | break; | |
2090 | } | |
2091 | if (config.sort_common == false || align == power) | |
2092 | { | |
29f33467 SC |
2093 | bfd *symbfd; |
2094 | ||
075d7359 SC |
2095 | /* Change from a common symbol into a definition of |
2096 | a symbol */ | |
2097 | lgs->sdefs_chain = lgs->scoms_chain; | |
2098 | lgs->scoms_chain = (asymbol **) NULL; | |
2099 | commons_pending--; | |
29f33467 | 2100 | |
075d7359 | 2101 | /* Point to the correct common section */ |
29f33467 SC |
2102 | symbfd = bfd_asymbol_bfd (com); |
2103 | if (com->section == &bfd_com_section) | |
2104 | com->section = | |
2105 | ((lang_input_statement_type *) symbfd->usrdata) | |
2106 | ->common_section; | |
2107 | else | |
2108 | { | |
2109 | CONST char *name; | |
2110 | asection *newsec; | |
2111 | ||
2112 | name = bfd_get_section_name (symbfd, | |
2113 | com->section); | |
2114 | newsec = bfd_get_section_by_name (symbfd, | |
2115 | name); | |
2116 | /* BFD backend must provide this section. */ | |
2117 | if (newsec == (asection *) NULL) | |
2118 | einfo ("%P%F: No output section %s", name); | |
2119 | com->section = newsec; | |
2120 | } | |
2121 | ||
075d7359 SC |
2122 | /* Fix the size of the common section */ |
2123 | ||
2124 | com->section->_raw_size = | |
8ddef552 | 2125 | ALIGN_N (com->section->_raw_size, align); |
075d7359 SC |
2126 | |
2127 | /* Remember if this is the biggest alignment ever seen */ | |
2128 | if (power_of_two > com->section->alignment_power) | |
2129 | { | |
2130 | com->section->alignment_power = power_of_two; | |
2131 | } | |
2132 | ||
2133 | /* Symbol stops being common and starts being global, but | |
2134 | we remember that it was common once. */ | |
2135 | ||
2136 | com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON; | |
2137 | com->value = com->section->_raw_size; | |
2138 | ||
29f33467 | 2139 | if (write_map && config.map_file) |
075d7359 SC |
2140 | { |
2141 | fprintf (config.map_file, "Allocating common %s: %x at %x %s\n", | |
2142 | lgs->name, | |
2143 | (unsigned) size, | |
2144 | (unsigned) com->value, | |
29f33467 | 2145 | bfd_asymbol_bfd(com)->filename); |
075d7359 SC |
2146 | } |
2147 | ||
2148 | com->section->_raw_size += size; | |
2149 | ||
2150 | } | |
1418c83b | 2151 | } |
097879bc | 2152 | |
b6316534 | 2153 | } |
2fa0b342 | 2154 | } |
b6316534 | 2155 | } |
1418c83b SC |
2156 | |
2157 | ||
2fa0b342 DHW |
2158 | } |
2159 | ||
2160 | /* | |
075d7359 | 2161 | run through the input files and ensure that every input |
2fa0b342 DHW |
2162 | section has somewhere to go. If one is found without |
2163 | a destination then create an input request and place it | |
2164 | into the statement tree. | |
2165 | */ | |
2166 | ||
075d7359 | 2167 | static void |
8ddef552 | 2168 | lang_place_orphans () |
2fa0b342 DHW |
2169 | { |
2170 | lang_input_statement_type *file; | |
1418c83b | 2171 | |
075d7359 SC |
2172 | for (file = (lang_input_statement_type *) file_chain.head; |
2173 | file != (lang_input_statement_type *) NULL; | |
2174 | file = (lang_input_statement_type *) file->next) | |
2175 | { | |
2176 | asection *s; | |
2177 | ||
2178 | for (s = file->the_bfd->sections; | |
2179 | s != (asection *) NULL; | |
2180 | s = s->next) | |
2181 | { | |
2182 | if (s->output_section == (asection *) NULL) | |
2183 | { | |
2184 | /* This section of the file is not attatched, root | |
2185 | around for a sensible place for it to go */ | |
2186 | ||
2187 | if (file->common_section == s) | |
2188 | { | |
2189 | /* This is a lonely common section which must | |
2190 | have come from an archive. We attatch to the | |
2191 | section with the wildcard */ | |
2192 | if (config.relocateable_output != true | |
2193 | && command_line.force_common_definition == false) | |
2194 | { | |
2195 | if (default_common_section == | |
2196 | (lang_output_section_statement_type *) NULL) | |
2197 | { | |
2198 | info ("%P: No [COMMON] command, defaulting to .bss\n"); | |
2199 | ||
2200 | default_common_section = | |
2201 | lang_output_section_statement_lookup (".bss"); | |
2202 | ||
2203 | } | |
2204 | wild_doit (&default_common_section->children, s, | |
2205 | default_common_section, file); | |
2206 | } | |
2207 | } | |
2208 | else | |
2209 | { | |
2210 | lang_output_section_statement_type *os = | |
2211 | lang_output_section_statement_lookup (s->name); | |
2fa0b342 | 2212 | |
075d7359 SC |
2213 | wild_doit (&os->children, s, os, file); |
2214 | } | |
2215 | } | |
2fa0b342 | 2216 | } |
2fa0b342 | 2217 | } |
2fa0b342 DHW |
2218 | } |
2219 | ||
2220 | ||
2fa0b342 | 2221 | void |
8ddef552 DM |
2222 | lang_set_flags (ptr, flags) |
2223 | int *ptr; | |
2224 | CONST char *flags; | |
2fa0b342 | 2225 | { |
075d7359 SC |
2226 | boolean state = false; |
2227 | ||
2228 | *ptr = 0; | |
2fa0b342 | 2229 | while (*flags) |
075d7359 SC |
2230 | { |
2231 | if (*flags == '!') | |
2232 | { | |
2233 | state = false; | |
2234 | flags++; | |
2235 | } | |
2236 | else | |
2237 | state = true; | |
2238 | switch (*flags) | |
2239 | { | |
2240 | case 'R': | |
2241 | /* ptr->flag_read = state; */ | |
2242 | break; | |
2243 | case 'W': | |
2244 | /* ptr->flag_write = state; */ | |
2245 | break; | |
2246 | case 'X': | |
2247 | /* ptr->flag_executable= state;*/ | |
2248 | break; | |
2249 | case 'L': | |
2250 | case 'I': | |
2251 | /* ptr->flag_loadable= state;*/ | |
2252 | break; | |
2253 | default: | |
2254 | einfo ("%P%F illegal syntax in flags\n"); | |
2255 | break; | |
2256 | } | |
dc4726c2 SC |
2257 | flags++; |
2258 | } | |
2fa0b342 DHW |
2259 | } |
2260 | ||
2261 | ||
2262 | ||
2263 | void | |
8ddef552 DM |
2264 | lang_for_each_file (func) |
2265 | void (*func) PARAMS ((lang_input_statement_type *)); | |
2fa0b342 DHW |
2266 | { |
2267 | lang_input_statement_type *f; | |
075d7359 SC |
2268 | |
2269 | for (f = (lang_input_statement_type *) file_chain.head; | |
2270 | f != (lang_input_statement_type *) NULL; | |
2271 | f = (lang_input_statement_type *) f->next) | |
2272 | { | |
2273 | func (f); | |
2274 | } | |
2fa0b342 DHW |
2275 | } |
2276 | ||
2277 | ||
2278 | void | |
8ddef552 DM |
2279 | lang_for_each_input_section (func) |
2280 | void (*func) PARAMS ((bfd * ab, asection * as)); | |
2fa0b342 DHW |
2281 | { |
2282 | lang_input_statement_type *f; | |
075d7359 SC |
2283 | |
2284 | for (f = (lang_input_statement_type *) file_chain.head; | |
2285 | f != (lang_input_statement_type *) NULL; | |
2286 | f = (lang_input_statement_type *) f->next) | |
2fa0b342 DHW |
2287 | { |
2288 | asection *s; | |
075d7359 | 2289 | |
2fa0b342 | 2290 | for (s = f->the_bfd->sections; |
075d7359 SC |
2291 | s != (asection *) NULL; |
2292 | s = s->next) | |
2293 | { | |
2294 | func (f->the_bfd, s); | |
2295 | } | |
2fa0b342 DHW |
2296 | } |
2297 | } | |
2298 | ||
2299 | ||
2300 | ||
075d7359 | 2301 | void |
8ddef552 DM |
2302 | ldlang_add_file (entry) |
2303 | lang_input_statement_type * entry; | |
2fa0b342 | 2304 | { |
1418c83b | 2305 | |
075d7359 SC |
2306 | lang_statement_append (&file_chain, |
2307 | (lang_statement_union_type *) entry, | |
2308 | &entry->next); | |
2fa0b342 DHW |
2309 | } |
2310 | ||
2fa0b342 | 2311 | void |
8ddef552 DM |
2312 | lang_add_output (name) |
2313 | CONST char *name; | |
2fa0b342 | 2314 | { |
075d7359 SC |
2315 | lang_output_statement_type *new = new_stat (lang_output_statement, |
2316 | stat_ptr); | |
2317 | ||
2fa0b342 DHW |
2318 | new->name = name; |
2319 | had_output_filename = true; | |
2320 | } | |
2321 | ||
2322 | ||
2323 | static lang_output_section_statement_type *current_section; | |
2324 | ||
e20873a7 JG |
2325 | static int topower(x) |
2326 | int x; | |
2327 | { | |
2328 | unsigned int i = 1; | |
2329 | int l; | |
2330 | if (x < 0) return -1; | |
2331 | for (l = 0; l < 32; l++) | |
2332 | { | |
2333 | if (i >= x) return l; | |
2334 | i<<=1; | |
2335 | } | |
29f33467 | 2336 | return 0; |
e20873a7 | 2337 | } |
2fa0b342 | 2338 | void |
8ddef552 DM |
2339 | lang_enter_output_section_statement (output_section_statement_name, |
2340 | address_exp, flags, block_value, | |
2341 | align, subalign, base) | |
2342 | char *output_section_statement_name; | |
2343 | etree_type * address_exp; | |
2344 | int flags; | |
2345 | bfd_vma block_value; | |
2346 | etree_type *align; | |
2347 | etree_type *subalign; | |
2348 | etree_type *base; | |
2fa0b342 DHW |
2349 | { |
2350 | lang_output_section_statement_type *os; | |
075d7359 SC |
2351 | |
2352 | current_section = | |
e20873a7 | 2353 | os = |
075d7359 SC |
2354 | lang_output_section_statement_lookup (output_section_statement_name); |
2355 | ||
2356 | ||
2fa0b342 | 2357 | |
2fa0b342 DHW |
2358 | /* Add this statement to tree */ |
2359 | /* add_statement(lang_output_section_statement_enum, | |
2360 | output_section_statement);*/ | |
2361 | /* Make next things chain into subchain of this */ | |
2362 | ||
2363 | if (os->addr_tree == | |
075d7359 | 2364 | (etree_type *) NULL) |
e20873a7 JG |
2365 | { |
2366 | os->addr_tree = | |
2367 | address_exp; | |
2368 | } | |
7bc4a0d7 | 2369 | os->flags = flags; |
ae475b39 SC |
2370 | if (flags & SEC_NEVER_LOAD) |
2371 | os->loadable = 0; | |
2372 | else | |
2373 | os->loadable = 1; | |
29f33467 | 2374 | os->block_value = block_value ? block_value : 1; |
075d7359 | 2375 | stat_ptr = &os->children; |
2fa0b342 | 2376 | |
e20873a7 JG |
2377 | os->subsection_alignment = topower( |
2378 | exp_get_value_int(subalign, -1, | |
2379 | "subsection alignment", | |
2380 | 0)); | |
2381 | os->section_alignment = topower( | |
2382 | exp_get_value_int(align, -1, | |
2383 | "section alignment", 0)); | |
9fce28ed SC |
2384 | |
2385 | os->load_base = base; | |
2fa0b342 DHW |
2386 | } |
2387 | ||
9fce28ed | 2388 | |
075d7359 | 2389 | void |
8ddef552 | 2390 | lang_final () |
2fa0b342 | 2391 | { |
075d7359 SC |
2392 | if (had_output_filename == false) |
2393 | { | |
2394 | extern CONST char *output_filename; | |
2fa0b342 | 2395 | |
075d7359 SC |
2396 | lang_add_output (output_filename); |
2397 | } | |
2398 | } | |
2fa0b342 | 2399 | |
c611e285 SC |
2400 | /* Reset the current counters in the regions */ |
2401 | static void | |
8ddef552 | 2402 | reset_memory_regions () |
c611e285 | 2403 | { |
075d7359 SC |
2404 | lang_memory_region_type *p = lang_memory_region_list; |
2405 | ||
c611e285 | 2406 | for (p = lang_memory_region_list; |
075d7359 SC |
2407 | p != (lang_memory_region_type *) NULL; |
2408 | p = p->next) | |
2409 | { | |
8ddef552 | 2410 | p->old_length = (bfd_size_type) (p->current - p->origin); |
075d7359 SC |
2411 | p->current = p->origin; |
2412 | } | |
c611e285 | 2413 | } |
2fa0b342 DHW |
2414 | |
2415 | ||
ae475b39 | 2416 | |
1418c83b | 2417 | asymbol * |
075d7359 | 2418 | DEFUN (create_symbol, (name, flags, section), |
8ddef552 DM |
2419 | CONST char *name AND |
2420 | flagword flags AND | |
2421 | asection * section) | |
2fa0b342 DHW |
2422 | { |
2423 | extern lang_input_statement_type *script_file; | |
075d7359 SC |
2424 | asymbol **def_ptr = (asymbol **) stat_alloc ((bfd_size_type) (sizeof (asymbol **))); |
2425 | ||
2fa0b342 | 2426 | /* Add this definition to script file */ |
075d7359 | 2427 | asymbol *def = (asymbol *) bfd_make_empty_symbol (script_file->the_bfd); |
075d7359 | 2428 | def->name = buystring (name); |
2fa0b342 DHW |
2429 | def->udata = 0; |
2430 | def->flags = flags; | |
2431 | def->section = section; | |
2fa0b342 | 2432 | *def_ptr = def; |
075d7359 | 2433 | Q_enter_global_ref (def_ptr, name); |
2fa0b342 DHW |
2434 | return def; |
2435 | } | |
2436 | ||
2fa0b342 | 2437 | void |
8ddef552 | 2438 | lang_process () |
075d7359 | 2439 | { |
075d7359 SC |
2440 | if (had_script == false) |
2441 | { | |
8ddef552 DM |
2442 | /* Read the emulation's appropriate default script. */ |
2443 | char *scriptname = ldemul_get_script (); | |
2444 | size_t size = strlen (scriptname) + 3; | |
2445 | char *buf = (char *) ldmalloc(size); | |
2446 | ||
2447 | sprintf (buf, "-T%s", scriptname); | |
2448 | parse_line (buf, 0); | |
2449 | free (buf); | |
c611e285 | 2450 | } |
8ddef552 | 2451 | |
075d7359 | 2452 | lang_reasonable_defaults (); |
1418c83b SC |
2453 | current_target = default_target; |
2454 | ||
075d7359 | 2455 | lang_for_each_statement (ldlang_open_output); /* Open the output file */ |
1418c83b SC |
2456 | /* For each output section statement, create a section in the output |
2457 | file */ | |
075d7359 | 2458 | lang_create_output_section_statements (); |
1418c83b SC |
2459 | |
2460 | /* Create a dummy bfd for the script */ | |
075d7359 | 2461 | lang_init_script_file (); |
1418c83b SC |
2462 | |
2463 | /* Add to the hash table all undefineds on the command line */ | |
075d7359 | 2464 | lang_place_undefineds (); |
1418c83b SC |
2465 | |
2466 | /* Create a bfd for each input file */ | |
2467 | current_target = default_target; | |
075d7359 | 2468 | lang_for_each_statement (open_input_bfds); |
1418c83b | 2469 | |
1418c83b | 2470 | /* Run through the contours of the script and attatch input sections |
075d7359 | 2471 | to the correct output sections |
1418c83b | 2472 | */ |
075d7359 SC |
2473 | find_constructors (); |
2474 | map_input_to_output_sections (statement_list.head, (char *) NULL, | |
2475 | (lang_output_section_statement_type *) NULL); | |
1418c83b | 2476 | |
81016051 | 2477 | |
1418c83b | 2478 | /* Find any sections not attatched explicitly and handle them */ |
075d7359 | 2479 | lang_place_orphans (); |
1418c83b SC |
2480 | |
2481 | /* Size up the common data */ | |
075d7359 | 2482 | lang_common (); |
1418c83b | 2483 | |
075d7359 | 2484 | ldemul_before_allocation (); |
1418c83b | 2485 | |
c611e285 | 2486 | |
ae475b39 SC |
2487 | #if 0 |
2488 | had_relax = true; | |
2489 | while (had_relax) | |
2490 | { | |
2491 | ||
2492 | had_relax = false; | |
c611e285 | 2493 | |
ae475b39 SC |
2494 | lang_size_sections (statement_list.head, |
2495 | (lang_output_section_statement_type *) NULL, | |
2496 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
2497 | /* FIXME. Until the code in relax is fixed so that it only reads in | |
2498 | stuff once, we cant iterate since there is no way for the linker to | |
2499 | know what has been patched and what hasn't */ | |
2500 | break; | |
2501 | ||
2502 | } | |
2503 | #endif | |
c611e285 | 2504 | |
c611e285 | 2505 | /* Now run around and relax if we can */ |
075d7359 | 2506 | if (command_line.relax) |
c611e285 | 2507 | { |
ae475b39 SC |
2508 | /* First time round is a trial run to get the 'worst case' addresses of the |
2509 | objects if there was no relaxing */ | |
2510 | lang_size_sections (statement_list.head, | |
2511 | (lang_output_section_statement_type *) NULL, | |
2512 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
c611e285 | 2513 | |
075d7359 | 2514 | |
075d7359 | 2515 | |
ae475b39 SC |
2516 | /* Move the global symbols around so the second pass of relaxing can |
2517 | see them */ | |
2518 | lang_relocate_globals (); | |
075d7359 | 2519 | |
ae475b39 | 2520 | reset_memory_regions (); |
075d7359 | 2521 | |
ae475b39 SC |
2522 | /* Do all the assignments, now that we know the final restingplaces |
2523 | of all the symbols */ | |
2524 | ||
2525 | lang_do_assignments (statement_list.head, | |
2526 | abs_output_section, | |
2527 | 0, (bfd_vma) 0); | |
2528 | ||
2529 | ||
2530 | /* Perform another relax pass - this time we know where the | |
2531 | globals are, so can make better guess */ | |
2532 | lang_size_sections (statement_list.head, | |
2533 | (lang_output_section_statement_type *) NULL, | |
2534 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
075d7359 SC |
2535 | |
2536 | ||
2537 | ||
ae475b39 SC |
2538 | } |
2539 | ||
2540 | else | |
2541 | { | |
2542 | /* Size up the sections */ | |
2543 | lang_size_sections (statement_list.head, | |
2544 | abs_output_section, | |
2545 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
075d7359 SC |
2546 | |
2547 | } | |
c611e285 | 2548 | |
1418c83b SC |
2549 | |
2550 | /* See if anything special should be done now we know how big | |
2551 | everything is */ | |
075d7359 | 2552 | ldemul_after_allocation (); |
1418c83b SC |
2553 | |
2554 | /* Do all the assignments, now that we know the final restingplaces | |
2555 | of all the symbols */ | |
2556 | ||
075d7359 SC |
2557 | lang_do_assignments (statement_list.head, |
2558 | abs_output_section, | |
2559 | 0, (bfd_vma) 0); | |
1418c83b | 2560 | |
c611e285 | 2561 | |
ffc50032 | 2562 | /* Move the global symbols around */ |
075d7359 | 2563 | lang_relocate_globals (); |
ffc50032 | 2564 | |
1418c83b SC |
2565 | /* Make sure that we're not mixing architectures */ |
2566 | ||
075d7359 | 2567 | lang_check (); |
1418c83b | 2568 | |
1418c83b | 2569 | /* Final stuffs */ |
075d7359 | 2570 | lang_finish (); |
2fa0b342 DHW |
2571 | } |
2572 | ||
2fa0b342 | 2573 | /* EXPORTED TO YACC */ |
1418c83b | 2574 | |
2fa0b342 | 2575 | void |
8ddef552 DM |
2576 | lang_add_wild (section_name, filename) |
2577 | CONST char *CONST section_name; | |
2578 | CONST char *CONST filename; | |
1418c83b | 2579 | { |
075d7359 SC |
2580 | lang_wild_statement_type *new = new_stat (lang_wild_statement, |
2581 | stat_ptr); | |
1418c83b | 2582 | |
075d7359 SC |
2583 | if (section_name != (char *) NULL && strcmp (section_name, "COMMON") == 0) |
2584 | { | |
2585 | placed_commons = true; | |
2586 | } | |
2587 | if (filename != (char *) NULL) | |
2588 | { | |
2589 | lang_has_input_file = true; | |
2590 | } | |
1418c83b SC |
2591 | new->section_name = section_name; |
2592 | new->filename = filename; | |
075d7359 | 2593 | lang_list_init (&new->children); |
1418c83b | 2594 | } |
075d7359 | 2595 | |
1418c83b | 2596 | void |
8ddef552 DM |
2597 | lang_section_start (name, address) |
2598 | CONST char *name; | |
2599 | etree_type * address; | |
2fa0b342 | 2600 | { |
075d7359 SC |
2601 | lang_address_statement_type *ad = new_stat (lang_address_statement, stat_ptr); |
2602 | ||
2fa0b342 DHW |
2603 | ad->section_name = name; |
2604 | ad->address = address; | |
2605 | } | |
1418c83b | 2606 | |
075d7359 | 2607 | void |
8ddef552 DM |
2608 | lang_add_entry (name) |
2609 | CONST char *name; | |
2fa0b342 DHW |
2610 | { |
2611 | entry_symbol = name; | |
2612 | } | |
2613 | ||
2614 | void | |
8ddef552 DM |
2615 | lang_add_target (name) |
2616 | CONST char *name; | |
2fa0b342 | 2617 | { |
075d7359 SC |
2618 | lang_target_statement_type *new = new_stat (lang_target_statement, |
2619 | stat_ptr); | |
2620 | ||
2fa0b342 DHW |
2621 | new->target = name; |
2622 | ||
2623 | } | |
2fa0b342 | 2624 | |
2fa0b342 | 2625 | void |
8ddef552 DM |
2626 | lang_add_map (name) |
2627 | CONST char *name; | |
2fa0b342 | 2628 | { |
075d7359 SC |
2629 | while (*name) |
2630 | { | |
2631 | switch (*name) | |
2632 | { | |
2633 | case 'F': | |
2634 | map_option_f = true; | |
2635 | break; | |
2636 | } | |
2637 | name++; | |
2fa0b342 | 2638 | } |
2fa0b342 DHW |
2639 | } |
2640 | ||
075d7359 | 2641 | void |
8ddef552 DM |
2642 | lang_add_fill (exp) |
2643 | int exp; | |
2fa0b342 | 2644 | { |
075d7359 SC |
2645 | lang_fill_statement_type *new = new_stat (lang_fill_statement, |
2646 | stat_ptr); | |
2647 | ||
2fa0b342 DHW |
2648 | new->fill = exp; |
2649 | } | |
2650 | ||
075d7359 | 2651 | void |
8ddef552 DM |
2652 | lang_add_data (type, exp) |
2653 | int type; | |
2654 | union etree_union *exp; | |
2fa0b342 DHW |
2655 | { |
2656 | ||
075d7359 | 2657 | lang_data_statement_type *new = new_stat (lang_data_statement, |
2fa0b342 | 2658 | stat_ptr); |
075d7359 SC |
2659 | |
2660 | new->exp = exp; | |
2661 | new->type = type; | |
2fa0b342 DHW |
2662 | |
2663 | } | |
075d7359 | 2664 | |
2fa0b342 | 2665 | void |
8ddef552 DM |
2666 | lang_add_assignment (exp) |
2667 | etree_type * exp; | |
2fa0b342 | 2668 | { |
075d7359 SC |
2669 | lang_assignment_statement_type *new = new_stat (lang_assignment_statement, |
2670 | stat_ptr); | |
2671 | ||
2fa0b342 DHW |
2672 | new->exp = exp; |
2673 | } | |
2674 | ||
2675 | void | |
8ddef552 DM |
2676 | lang_add_attribute (attribute) |
2677 | enum statement_enum attribute; | |
2fa0b342 | 2678 | { |
075d7359 | 2679 | new_statement (attribute, sizeof (lang_statement_union_type), stat_ptr); |
2fa0b342 DHW |
2680 | } |
2681 | ||
075d7359 | 2682 | void |
8ddef552 DM |
2683 | lang_startup (name) |
2684 | CONST char *name; | |
2fa0b342 | 2685 | { |
075d7359 SC |
2686 | if (startup_file != (char *) NULL) |
2687 | { | |
2688 | einfo ("%P%FMultiple STARTUP files\n"); | |
2689 | } | |
2fa0b342 DHW |
2690 | first_file->filename = name; |
2691 | first_file->local_sym_name = name; | |
2692 | ||
075d7359 | 2693 | startup_file = name; |
2fa0b342 | 2694 | } |
075d7359 SC |
2695 | |
2696 | void | |
8ddef552 DM |
2697 | lang_float (maybe) |
2698 | boolean maybe; | |
2fa0b342 DHW |
2699 | { |
2700 | lang_float_flag = maybe; | |
2701 | } | |
2702 | ||
075d7359 | 2703 | void |
8ddef552 DM |
2704 | lang_leave_output_section_statement (fill, memspec) |
2705 | bfd_vma fill; | |
2706 | CONST char *memspec; | |
2fa0b342 DHW |
2707 | { |
2708 | current_section->fill = fill; | |
075d7359 | 2709 | current_section->region = lang_memory_region_lookup (memspec); |
2fa0b342 | 2710 | stat_ptr = &statement_list; |
81016051 SC |
2711 | |
2712 | /* We remember if we are closing a .data section, since we use it to | |
2713 | store constructors in */ | |
075d7359 SC |
2714 | if (strcmp (current_section->name, ".data") == 0) |
2715 | { | |
2716 | end_of_data_section_statement_list = statement_list; | |
81016051 | 2717 | |
075d7359 | 2718 | } |
2fa0b342 | 2719 | } |
075d7359 | 2720 | |
9f32f7c2 SC |
2721 | /* |
2722 | Create an absolute symbol with the given name with the value of the | |
2723 | address of first byte of the section named. | |
2fa0b342 | 2724 | |
9f32f7c2 SC |
2725 | If the symbol already exists, then do nothing. |
2726 | */ | |
8cb5eb31 | 2727 | void |
8ddef552 DM |
2728 | lang_abs_symbol_at_beginning_of (section, name) |
2729 | CONST char *section; | |
2730 | CONST char *name; | |
075d7359 SC |
2731 | { |
2732 | if (ldsym_undefined (name)) | |
2733 | { | |
2734 | asection *s = bfd_get_section_by_name (output_bfd, section); | |
2735 | asymbol *def = create_symbol (name, | |
2736 | BSF_GLOBAL | BSF_EXPORT, | |
2737 | &bfd_abs_section); | |
2738 | ||
2739 | if (s != (asection *) NULL) | |
2740 | { | |
2741 | def->value = s->vma; | |
2742 | } | |
2743 | else | |
2744 | { | |
2745 | def->value = 0; | |
2746 | } | |
9f32f7c2 | 2747 | } |
8cb5eb31 SC |
2748 | } |
2749 | ||
9f32f7c2 SC |
2750 | /* |
2751 | Create an absolute symbol with the given name with the value of the | |
2752 | address of the first byte after the end of the section named. | |
2753 | ||
2754 | If the symbol already exists, then do nothing. | |
2755 | */ | |
2fa0b342 | 2756 | void |
8ddef552 DM |
2757 | lang_abs_symbol_at_end_of (section, name) |
2758 | CONST char *section; | |
2759 | CONST char *name; | |
075d7359 SC |
2760 | { |
2761 | if (ldsym_undefined (name)) | |
2762 | { | |
2763 | asection *s = bfd_get_section_by_name (output_bfd, section); | |
2764 | ||
2765 | /* Add a symbol called _end */ | |
2766 | asymbol *def = create_symbol (name, | |
2767 | BSF_GLOBAL | BSF_EXPORT, | |
2768 | &bfd_abs_section); | |
2769 | ||
2770 | if (s != (asection *) NULL) | |
2771 | { | |
2772 | def->value = s->vma + s->_raw_size; | |
2773 | } | |
2774 | else | |
2775 | { | |
2776 | def->value = 0; | |
2777 | } | |
9f32f7c2 | 2778 | } |
2fa0b342 DHW |
2779 | } |
2780 | ||
075d7359 | 2781 | void |
8ddef552 DM |
2782 | lang_statement_append (list, element, field) |
2783 | lang_statement_list_type * list; | |
2784 | lang_statement_union_type * element; | |
2785 | lang_statement_union_type ** field; | |
2fa0b342 DHW |
2786 | { |
2787 | *(list->tail) = element; | |
2788 | list->tail = field; | |
2789 | } | |
2790 | ||
097879bc SC |
2791 | /* Set the output format type */ |
2792 | void | |
8ddef552 DM |
2793 | lang_add_output_format (format) |
2794 | CONST char *format; | |
097879bc SC |
2795 | { |
2796 | output_target = format; | |
2797 | } | |
9fce28ed | 2798 |