Commit | Line | Data |
---|---|---|
e20873a7 | 1 | /* Linker command language support. |
307585f1 | 2 | Copyright (C) 1991, 92, 93, 94, 95, 1996 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 | |
d22ec3b0 ILT |
17 | along with GLD; see the file COPYING. If not, write to the Free |
18 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. */ | |
2fa0b342 | 20 | |
2fa0b342 | 21 | #include "bfd.h" |
075d7359 | 22 | #include "sysdep.h" |
4c2123b6 | 23 | #include "libiberty.h" |
c477527c | 24 | #include "bfdlink.h" |
2fa0b342 DHW |
25 | |
26 | #include "ld.h" | |
fcf276c4 | 27 | #include "ldmain.h" |
7bc4a0d7 | 28 | #include "ldgram.h" |
2fa0b342 | 29 | #include "ldexp.h" |
fcf276c4 | 30 | #include "ldlang.h" |
8c514453 | 31 | #include "ldemul.h" |
2fa0b342 | 32 | #include "ldlex.h" |
3f8d46e7 | 33 | #include "ldmisc.h" |
c611e285 | 34 | #include "ldctor.h" |
fcf276c4 | 35 | #include "ldfile.h" |
86bc0974 | 36 | #include "fnmatch.h" |
b98bd3db | 37 | |
d22ec3b0 ILT |
38 | #include <ctype.h> |
39 | ||
2fa0b342 | 40 | /* FORWARDS */ |
5af8e9d6 KR |
41 | static lang_statement_union_type *new_statement PARAMS ((enum statement_enum, |
42 | size_t, | |
43 | lang_statement_list_type*)); | |
44 | ||
2fa0b342 | 45 | |
d4c02e29 | 46 | /* LOCALS */ |
bfbdc80f | 47 | static struct obstack stat_obstack; |
075d7359 | 48 | |
0b2f8d2e | 49 | #define obstack_chunk_alloc xmalloc |
bfbdc80f | 50 | #define obstack_chunk_free free |
075d7359 | 51 | static CONST char *startup_file; |
d4c02e29 SC |
52 | static lang_statement_list_type input_file_chain; |
53 | static boolean placed_commons = false; | |
54 | static lang_output_section_statement_type *default_common_section; | |
55 | static boolean map_option_f; | |
56 | static bfd_vma print_dot; | |
57 | static lang_input_statement_type *first_file; | |
58 | static lang_statement_list_type lang_output_section_statement; | |
59 | static CONST char *current_target; | |
60 | static CONST char *output_target; | |
d4c02e29 | 61 | static lang_statement_list_type statement_list; |
061e65f8 | 62 | static struct lang_phdr *lang_phdr_list; |
ffc50032 | 63 | |
9f629407 ILT |
64 | static void lang_for_each_statement_worker |
65 | PARAMS ((void (*func) (lang_statement_union_type *), | |
66 | lang_statement_union_type *s)); | |
67 | static lang_input_statement_type *new_afile | |
68 | PARAMS ((const char *name, lang_input_file_enum_type file_type, | |
193c5f93 | 69 | const char *target, boolean add_to_list)); |
9f629407 | 70 | static void init_os PARAMS ((lang_output_section_statement_type *s)); |
86bc0974 | 71 | static void exp_init_os PARAMS ((etree_type *)); |
23595ba5 | 72 | static void section_already_linked PARAMS ((bfd *, asection *, PTR)); |
86bc0974 | 73 | static boolean wildcardp PARAMS ((const char *)); |
9f629407 ILT |
74 | static void wild_section PARAMS ((lang_wild_statement_type *ptr, |
75 | const char *section, | |
76 | lang_input_statement_type *file, | |
77 | lang_output_section_statement_type *output)); | |
193c5f93 | 78 | static lang_input_statement_type *lookup_name PARAMS ((const char *name)); |
6a02a973 ILT |
79 | static void load_symbols PARAMS ((lang_input_statement_type *entry, |
80 | lang_statement_list_type *)); | |
86bc0974 ILT |
81 | static void wild_file PARAMS ((lang_wild_statement_type *, const char *, |
82 | lang_input_statement_type *, | |
83 | lang_output_section_statement_type *)); | |
9f629407 ILT |
84 | static void wild PARAMS ((lang_wild_statement_type *s, |
85 | const char *section, const char *file, | |
86 | const char *target, | |
87 | lang_output_section_statement_type *output)); | |
88 | static bfd *open_output PARAMS ((const char *name)); | |
89 | static void ldlang_open_output PARAMS ((lang_statement_union_type *statement)); | |
309c8153 ILT |
90 | static void open_input_bfds |
91 | PARAMS ((lang_statement_union_type *statement, boolean)); | |
9f629407 ILT |
92 | static void lang_reasonable_defaults PARAMS ((void)); |
93 | static void lang_place_undefineds PARAMS ((void)); | |
9f629407 ILT |
94 | static void map_input_to_output_sections |
95 | PARAMS ((lang_statement_union_type *s, | |
96 | const char *target, | |
97 | lang_output_section_statement_type *output_section_statement)); | |
98 | static void print_output_section_statement | |
99 | PARAMS ((lang_output_section_statement_type *output_section_statement)); | |
100 | static void print_assignment | |
101 | PARAMS ((lang_assignment_statement_type *assignment, | |
102 | lang_output_section_statement_type *output_section)); | |
103 | static void print_input_statement PARAMS ((lang_input_statement_type *statm)); | |
9f629407 ILT |
104 | static void print_input_section PARAMS ((lang_input_section_type *in)); |
105 | static void print_fill_statement PARAMS ((lang_fill_statement_type *fill)); | |
106 | static void print_data_statement PARAMS ((lang_data_statement_type *data)); | |
0cacbcbe | 107 | static void print_address_statement PARAMS ((lang_address_statement_type *)); |
4fdbafb2 | 108 | static void print_reloc_statement PARAMS ((lang_reloc_statement_type *reloc)); |
9f629407 ILT |
109 | static void print_padding_statement PARAMS ((lang_padding_statement_type *s)); |
110 | static void print_wild_statement | |
111 | PARAMS ((lang_wild_statement_type *w, | |
112 | lang_output_section_statement_type *os)); | |
309c8153 ILT |
113 | static void print_group |
114 | PARAMS ((lang_group_statement_type *, lang_output_section_statement_type *)); | |
9f629407 ILT |
115 | static void print_statement PARAMS ((lang_statement_union_type *s, |
116 | lang_output_section_statement_type *os)); | |
708f7fbc ILT |
117 | static void print_statement_list PARAMS ((lang_statement_union_type *s, |
118 | lang_output_section_statement_type *os)); | |
9f629407 ILT |
119 | static void print_statements PARAMS ((void)); |
120 | static bfd_vma insert_pad PARAMS ((lang_statement_union_type **this_ptr, | |
121 | fill_type fill, unsigned int power, | |
122 | asection *output_section_statement, | |
123 | bfd_vma dot)); | |
124 | static bfd_vma size_input_section | |
125 | PARAMS ((lang_statement_union_type **this_ptr, | |
126 | lang_output_section_statement_type *output_section_statement, | |
c477527c | 127 | fill_type fill, bfd_vma dot, boolean relax)); |
9f629407 ILT |
128 | static void lang_finish PARAMS ((void)); |
129 | static void lang_check PARAMS ((void)); | |
130 | static void lang_common PARAMS ((void)); | |
c477527c | 131 | static boolean lang_one_common PARAMS ((struct bfd_link_hash_entry *, PTR)); |
9f629407 ILT |
132 | static void lang_place_orphans PARAMS ((void)); |
133 | static int topower PARAMS ((int)); | |
1d169acc | 134 | static void lang_set_startof PARAMS ((void)); |
9f629407 | 135 | static void reset_memory_regions PARAMS ((void)); |
061e65f8 | 136 | static void lang_record_phdrs PARAMS ((void)); |
9f629407 | 137 | |
2fa0b342 | 138 | /* EXPORTS */ |
ffc50032 | 139 | lang_output_section_statement_type *abs_output_section; |
d4c02e29 | 140 | lang_statement_list_type *stat_ptr = &statement_list; |
a4d2a48e | 141 | lang_statement_list_type file_chain = { 0 }; |
061e65f8 | 142 | const char *entry_symbol = NULL; |
f054ce20 | 143 | boolean entry_from_cmdline; |
d4c02e29 | 144 | boolean lang_has_input_file = false; |
d4c02e29 SC |
145 | boolean had_output_filename = false; |
146 | boolean lang_float_flag = false; | |
97fbbaca | 147 | boolean delete_output_file_on_failure = false; |
582dd77f | 148 | struct lang_nocrossrefs *nocrossref_list; |
075d7359 | 149 | |
9fce28ed SC |
150 | etree_type *base; /* Relocation base - or null */ |
151 | ||
152 | ||
b897ed67 | 153 | #if defined(__STDC__) || defined(ALMOST_STDC) |
2fa0b342 DHW |
154 | #define cat(a,b) a##b |
155 | #else | |
156 | #define cat(a,b) a/**/b | |
157 | #endif | |
158 | ||
159 | #define new_stat(x,y) (cat(x,_type)*) new_statement(cat(x,_enum), sizeof(cat(x,_type)),y) | |
160 | ||
161 | #define outside_section_address(q) ( (q)->output_offset + (q)->output_section->vma) | |
162 | ||
163 | #define outside_symbol_address(q) ((q)->value + outside_section_address(q->section)) | |
164 | ||
0cacbcbe ILT |
165 | #define SECTION_NAME_MAP_LENGTH (16) |
166 | ||
bfbdc80f | 167 | PTR |
8ddef552 DM |
168 | stat_alloc (size) |
169 | size_t size; | |
bfbdc80f | 170 | { |
075d7359 | 171 | return obstack_alloc (&stat_obstack, size); |
bfbdc80f | 172 | } |
9f629407 | 173 | |
1418c83b SC |
174 | /*---------------------------------------------------------------------- |
175 | lang_for_each_statement walks the parse tree and calls the provided | |
176 | function for each node | |
177 | */ | |
178 | ||
075d7359 | 179 | static void |
8ddef552 | 180 | lang_for_each_statement_worker (func, s) |
c477527c | 181 | void (*func) PARAMS ((lang_statement_union_type *)); |
8ddef552 | 182 | lang_statement_union_type *s; |
1418c83b | 183 | { |
075d7359 SC |
184 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
185 | { | |
186 | func (s); | |
1418c83b | 187 | |
075d7359 SC |
188 | switch (s->header.type) |
189 | { | |
81016051 | 190 | case lang_constructors_statement_enum: |
075d7359 | 191 | lang_for_each_statement_worker (func, constructor_list.head); |
81016051 | 192 | break; |
1418c83b SC |
193 | case lang_output_section_statement_enum: |
194 | lang_for_each_statement_worker | |
075d7359 | 195 | (func, |
1418c83b SC |
196 | s->output_section_statement.children.head); |
197 | break; | |
198 | case lang_wild_statement_enum: | |
199 | lang_for_each_statement_worker | |
075d7359 | 200 | (func, |
1418c83b SC |
201 | s->wild_statement.children.head); |
202 | break; | |
309c8153 ILT |
203 | case lang_group_statement_enum: |
204 | lang_for_each_statement_worker (func, | |
205 | s->group_statement.children.head); | |
206 | break; | |
1418c83b | 207 | case lang_data_statement_enum: |
4fdbafb2 | 208 | case lang_reloc_statement_enum: |
1418c83b SC |
209 | case lang_object_symbols_statement_enum: |
210 | case lang_output_statement_enum: | |
211 | case lang_target_statement_enum: | |
212 | case lang_input_section_enum: | |
213 | case lang_input_statement_enum: | |
1418c83b SC |
214 | case lang_assignment_statement_enum: |
215 | case lang_padding_statement_enum: | |
216 | case lang_address_statement_enum: | |
0cacbcbe | 217 | case lang_fill_statement_enum: |
1418c83b SC |
218 | break; |
219 | default: | |
075d7359 | 220 | FAIL (); |
1418c83b SC |
221 | break; |
222 | } | |
075d7359 | 223 | } |
1418c83b SC |
224 | } |
225 | ||
226 | void | |
8ddef552 | 227 | lang_for_each_statement (func) |
c477527c | 228 | void (*func) PARAMS ((lang_statement_union_type *)); |
1418c83b | 229 | { |
075d7359 SC |
230 | lang_for_each_statement_worker (func, |
231 | statement_list.head); | |
1418c83b | 232 | } |
075d7359 | 233 | |
1418c83b | 234 | /*----------------------------------------------------------------------*/ |
075d7359 | 235 | void |
8ddef552 DM |
236 | lang_list_init (list) |
237 | lang_statement_list_type *list; | |
2fa0b342 | 238 | { |
075d7359 SC |
239 | list->head = (lang_statement_union_type *) NULL; |
240 | list->tail = &list->head; | |
2fa0b342 DHW |
241 | } |
242 | ||
1418c83b | 243 | /*---------------------------------------------------------------------- |
075d7359 | 244 | |
1418c83b SC |
245 | build a new statement node for the parse tree |
246 | ||
247 | */ | |
2fa0b342 DHW |
248 | |
249 | static | |
075d7359 | 250 | lang_statement_union_type * |
8ddef552 DM |
251 | new_statement (type, size, list) |
252 | enum statement_enum type; | |
5af8e9d6 | 253 | size_t size; |
8ddef552 | 254 | lang_statement_list_type * list; |
2fa0b342 DHW |
255 | { |
256 | lang_statement_union_type *new = (lang_statement_union_type *) | |
075d7359 SC |
257 | stat_alloc (size); |
258 | ||
2fa0b342 | 259 | new->header.type = type; |
075d7359 SC |
260 | new->header.next = (lang_statement_union_type *) NULL; |
261 | lang_statement_append (list, new, &new->header.next); | |
2fa0b342 DHW |
262 | return new; |
263 | } | |
264 | ||
1418c83b SC |
265 | /* |
266 | Build a new input file node for the language. There are several ways | |
267 | in which we treat an input file, eg, we only look at symbols, or | |
268 | prefix it with a -l etc. | |
269 | ||
270 | We can be supplied with requests for input files more than once; | |
271 | they may, for example be split over serveral lines like foo.o(.text) | |
272 | foo.o(.data) etc, so when asked for a file we check that we havn't | |
273 | got it already so we don't duplicate the bfd. | |
274 | ||
275 | */ | |
2fa0b342 | 276 | static lang_input_statement_type * |
193c5f93 | 277 | new_afile (name, file_type, target, add_to_list) |
9f629407 ILT |
278 | CONST char *name; |
279 | lang_input_file_enum_type file_type; | |
280 | CONST char *target; | |
193c5f93 | 281 | boolean add_to_list; |
2fa0b342 | 282 | { |
193c5f93 | 283 | lang_input_statement_type *p; |
dc4726c2 | 284 | |
193c5f93 ILT |
285 | if (add_to_list) |
286 | p = new_stat (lang_input_statement, stat_ptr); | |
287 | else | |
288 | { | |
289 | p = ((lang_input_statement_type *) | |
290 | stat_alloc (sizeof (lang_input_statement_type))); | |
291 | p->header.next = NULL; | |
292 | } | |
075d7359 | 293 | |
2fa0b342 DHW |
294 | lang_has_input_file = true; |
295 | p->target = target; | |
075d7359 SC |
296 | switch (file_type) |
297 | { | |
298 | case lang_input_file_is_symbols_only_enum: | |
299 | p->filename = name; | |
300 | p->is_archive = false; | |
301 | p->real = true; | |
302 | p->local_sym_name = name; | |
303 | p->just_syms_flag = true; | |
304 | p->search_dirs_flag = false; | |
305 | break; | |
306 | case lang_input_file_is_fake_enum: | |
307 | p->filename = name; | |
308 | p->is_archive = false; | |
309 | p->real = false; | |
310 | p->local_sym_name = name; | |
311 | p->just_syms_flag = false; | |
312 | p->search_dirs_flag = false; | |
313 | break; | |
314 | case lang_input_file_is_l_enum: | |
315 | p->is_archive = true; | |
316 | p->filename = name; | |
317 | p->real = true; | |
ef76742f | 318 | p->local_sym_name = concat ("-l", name, (const char *) NULL); |
075d7359 SC |
319 | p->just_syms_flag = false; |
320 | p->search_dirs_flag = true; | |
321 | break; | |
075d7359 | 322 | case lang_input_file_is_marker_enum: |
193c5f93 ILT |
323 | p->filename = name; |
324 | p->is_archive = false; | |
325 | p->real = false; | |
326 | p->local_sym_name = name; | |
327 | p->just_syms_flag = false; | |
328 | p->search_dirs_flag = true; | |
329 | break; | |
330 | case lang_input_file_is_search_file_enum: | |
075d7359 SC |
331 | p->filename = name; |
332 | p->is_archive = false; | |
333 | p->real = true; | |
334 | p->local_sym_name = name; | |
335 | p->just_syms_flag = false; | |
336 | p->search_dirs_flag = true; | |
337 | break; | |
338 | case lang_input_file_is_file_enum: | |
339 | p->filename = name; | |
340 | p->is_archive = false; | |
341 | p->real = true; | |
342 | p->local_sym_name = name; | |
343 | p->just_syms_flag = false; | |
344 | p->search_dirs_flag = false; | |
345 | break; | |
346 | default: | |
347 | FAIL (); | |
348 | } | |
193c5f93 | 349 | p->the_bfd = (bfd *) NULL; |
075d7359 | 350 | p->asymbols = (asymbol **) NULL; |
075d7359 SC |
351 | p->next_real_file = (lang_statement_union_type *) NULL; |
352 | p->next = (lang_statement_union_type *) NULL; | |
2fa0b342 | 353 | p->symbol_count = 0; |
1d169acc | 354 | p->dynamic = config.dynamic_link; |
3c8deccc | 355 | p->whole_archive = whole_archive; |
5e6cd559 | 356 | p->loaded = false; |
075d7359 SC |
357 | lang_statement_append (&input_file_chain, |
358 | (lang_statement_union_type *) p, | |
359 | &p->next_real_file); | |
2fa0b342 DHW |
360 | return p; |
361 | } | |
362 | ||
363 | lang_input_statement_type * | |
8ddef552 DM |
364 | lang_add_input_file (name, file_type, target) |
365 | CONST char *name; | |
366 | lang_input_file_enum_type file_type; | |
367 | CONST char *target; | |
2fa0b342 | 368 | { |
1418c83b | 369 | lang_has_input_file = true; |
193c5f93 | 370 | return new_afile (name, file_type, target, true); |
2fa0b342 DHW |
371 | } |
372 | ||
1418c83b | 373 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 374 | void |
8ddef552 | 375 | lang_init () |
2fa0b342 | 376 | { |
075d7359 | 377 | obstack_begin (&stat_obstack, 1000); |
2fa0b342 | 378 | |
075d7359 | 379 | stat_ptr = &statement_list; |
bfbdc80f | 380 | |
075d7359 | 381 | lang_list_init (stat_ptr); |
2fa0b342 | 382 | |
075d7359 SC |
383 | lang_list_init (&input_file_chain); |
384 | lang_list_init (&lang_output_section_statement); | |
385 | lang_list_init (&file_chain); | |
386 | first_file = lang_add_input_file ((char *) NULL, | |
387 | lang_input_file_is_marker_enum, | |
388 | (char *) NULL); | |
389 | abs_output_section = lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 390 | |
686739e2 | 391 | abs_output_section->bfd_section = bfd_abs_section_ptr; |
9d1fe8a4 | 392 | |
2fa0b342 DHW |
393 | } |
394 | ||
1418c83b | 395 | /*---------------------------------------------------------------------- |
075d7359 SC |
396 | A region is an area of memory declared with the |
397 | MEMORY { name:org=exp, len=exp ... } | |
398 | syntax. | |
2fa0b342 | 399 | |
1418c83b | 400 | We maintain a list of all the regions here |
2fa0b342 | 401 | |
1418c83b SC |
402 | If no regions are specified in the script, then the default is used |
403 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
404 | */ |
405 | ||
406 | static lang_memory_region_type *lang_memory_region_list; | |
407 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
408 | ||
409 | lang_memory_region_type * | |
8ddef552 DM |
410 | lang_memory_region_lookup (name) |
411 | CONST char *CONST name; | |
2fa0b342 DHW |
412 | { |
413 | ||
075d7359 SC |
414 | lang_memory_region_type *p = lang_memory_region_list; |
415 | ||
1418c83b | 416 | for (p = lang_memory_region_list; |
075d7359 SC |
417 | p != (lang_memory_region_type *) NULL; |
418 | p = p->next) | |
419 | { | |
420 | if (strcmp (p->name, name) == 0) | |
421 | { | |
422 | return p; | |
423 | } | |
2fa0b342 | 424 | } |
36ea6198 ILT |
425 | |
426 | #if 0 | |
427 | /* This code used to always use the first region in the list as the | |
428 | default region. I changed it to instead use a region | |
429 | encompassing all of memory as the default region. This permits | |
430 | NOLOAD sections to work reasonably without requiring a region. | |
431 | People should specify what region they mean, if they really want | |
432 | a region. */ | |
075d7359 | 433 | if (strcmp (name, "*default*") == 0) |
2fa0b342 | 434 | { |
075d7359 SC |
435 | if (lang_memory_region_list != (lang_memory_region_type *) NULL) |
436 | { | |
437 | return lang_memory_region_list; | |
438 | } | |
2fa0b342 | 439 | } |
36ea6198 ILT |
440 | #endif |
441 | ||
075d7359 SC |
442 | { |
443 | lang_memory_region_type *new = | |
1d169acc | 444 | (lang_memory_region_type *) stat_alloc (sizeof (lang_memory_region_type)); |
075d7359 SC |
445 | |
446 | new->name = buystring (name); | |
447 | new->next = (lang_memory_region_type *) NULL; | |
448 | ||
449 | *lang_memory_region_list_tail = new; | |
450 | lang_memory_region_list_tail = &new->next; | |
451 | new->origin = 0; | |
8ddef552 | 452 | new->length = ~(bfd_size_type)0; |
075d7359 SC |
453 | new->current = 0; |
454 | new->had_full_message = false; | |
455 | ||
456 | return new; | |
457 | } | |
2fa0b342 DHW |
458 | } |
459 | ||
460 | ||
2fa0b342 | 461 | lang_output_section_statement_type * |
8ddef552 DM |
462 | lang_output_section_find (name) |
463 | CONST char *CONST name; | |
2fa0b342 DHW |
464 | { |
465 | lang_statement_union_type *u; | |
466 | lang_output_section_statement_type *lookup; | |
467 | ||
468 | for (u = lang_output_section_statement.head; | |
075d7359 | 469 | u != (lang_statement_union_type *) NULL; |
2fa0b342 | 470 | u = lookup->next) |
075d7359 SC |
471 | { |
472 | lookup = &u->output_section_statement; | |
473 | if (strcmp (name, lookup->name) == 0) | |
474 | { | |
1418c83b SC |
475 | return lookup; |
476 | } | |
075d7359 SC |
477 | } |
478 | return (lang_output_section_statement_type *) NULL; | |
2fa0b342 DHW |
479 | } |
480 | ||
481 | lang_output_section_statement_type * | |
8ddef552 DM |
482 | lang_output_section_statement_lookup (name) |
483 | CONST char *CONST name; | |
2fa0b342 DHW |
484 | { |
485 | lang_output_section_statement_type *lookup; | |
2fa0b342 | 486 | |
075d7359 SC |
487 | lookup = lang_output_section_find (name); |
488 | if (lookup == (lang_output_section_statement_type *) NULL) | |
489 | { | |
2fa0b342 | 490 | |
075d7359 SC |
491 | lookup = (lang_output_section_statement_type *) |
492 | new_stat (lang_output_section_statement, stat_ptr); | |
493 | lookup->region = (lang_memory_region_type *) NULL; | |
494 | lookup->fill = 0; | |
495 | lookup->block_value = 1; | |
496 | lookup->name = name; | |
497 | ||
498 | lookup->next = (lang_statement_union_type *) NULL; | |
499 | lookup->bfd_section = (asection *) NULL; | |
500 | lookup->processed = false; | |
86bc0974 | 501 | lookup->sectype = normal_section; |
075d7359 SC |
502 | lookup->addr_tree = (etree_type *) NULL; |
503 | lang_list_init (&lookup->children); | |
504 | ||
1b8a42f3 ILT |
505 | lookup->memspec = (CONST char *) NULL; |
506 | lookup->flags = 0; | |
507 | lookup->subsection_alignment = -1; | |
508 | lookup->section_alignment = -1; | |
509 | lookup->load_base = (union etree_union *) NULL; | |
061e65f8 | 510 | lookup->phdrs = NULL; |
1b8a42f3 | 511 | |
075d7359 SC |
512 | lang_statement_append (&lang_output_section_statement, |
513 | (lang_statement_union_type *) lookup, | |
514 | &lookup->next); | |
515 | } | |
516 | return lookup; | |
517 | } | |
2fa0b342 | 518 | |
2fa0b342 | 519 | void |
8ddef552 | 520 | lang_map () |
2fa0b342 DHW |
521 | { |
522 | lang_memory_region_type *m; | |
075d7359 | 523 | |
0cacbcbe ILT |
524 | minfo ("\nMemory Configuration\n\n"); |
525 | fprintf (config.map_file, "%-16s %-18s %-18s\n", | |
526 | "Name", "Origin", "Length"); | |
ae475b39 | 527 | |
2fa0b342 | 528 | for (m = lang_memory_region_list; |
075d7359 SC |
529 | m != (lang_memory_region_type *) NULL; |
530 | m = m->next) | |
2fa0b342 | 531 | { |
0cacbcbe ILT |
532 | char buf[100]; |
533 | int len; | |
534 | ||
535 | fprintf (config.map_file, "%-16s ", m->name); | |
536 | ||
537 | sprintf_vma (buf, m->origin); | |
538 | minfo ("0x%s ", buf); | |
539 | len = strlen (buf); | |
540 | while (len < 16) | |
541 | { | |
542 | print_space (); | |
543 | ++len; | |
544 | } | |
545 | ||
546 | minfo ("0x%V\n", m->length); | |
2fa0b342 | 547 | } |
2fa0b342 | 548 | |
0cacbcbe | 549 | fprintf (config.map_file, "\nLinker script and memory map\n\n"); |
2fa0b342 | 550 | |
0cacbcbe | 551 | print_statements (); |
2fa0b342 DHW |
552 | } |
553 | ||
86bc0974 ILT |
554 | /* Initialize an output section. */ |
555 | ||
075d7359 | 556 | static void |
8ddef552 | 557 | init_os (s) |
86bc0974 | 558 | lang_output_section_statement_type *s; |
2fa0b342 | 559 | { |
cf2e4f5f ILT |
560 | section_userdata_type *new; |
561 | ||
86bc0974 ILT |
562 | if (s->bfd_section != NULL) |
563 | return; | |
564 | ||
cf2e4f5f ILT |
565 | if (strcmp (s->name, DISCARD_SECTION_NAME) == 0) |
566 | einfo ("%P%F: Illegal use of `%s' section", DISCARD_SECTION_NAME); | |
567 | ||
568 | new = ((section_userdata_type *) | |
569 | stat_alloc (sizeof (section_userdata_type))); | |
075d7359 SC |
570 | |
571 | s->bfd_section = bfd_get_section_by_name (output_bfd, s->name); | |
572 | if (s->bfd_section == (asection *) NULL) | |
573 | s->bfd_section = bfd_make_section (output_bfd, s->name); | |
574 | if (s->bfd_section == (asection *) NULL) | |
575 | { | |
ddddcdf0 | 576 | einfo ("%P%F: output format %s cannot represent section called %s\n", |
075d7359 | 577 | output_bfd->xvec->name, s->name); |
9d1fe8a4 | 578 | } |
2fa0b342 | 579 | s->bfd_section->output_section = s->bfd_section; |
7bc4a0d7 | 580 | |
2fa0b342 DHW |
581 | /* We initialize an output sections output offset to minus its own */ |
582 | /* vma to allow us to output a section through itself */ | |
583 | s->bfd_section->output_offset = 0; | |
075d7359 | 584 | get_userdata (s->bfd_section) = (PTR) new; |
86bc0974 ILT |
585 | |
586 | /* If there is a base address, make sure that any sections it might | |
587 | mention are initialized. */ | |
588 | if (s->addr_tree != NULL) | |
589 | exp_init_os (s->addr_tree); | |
590 | } | |
591 | ||
592 | /* Make sure that all output sections mentioned in an expression are | |
593 | initialized. */ | |
594 | ||
595 | static void | |
596 | exp_init_os (exp) | |
597 | etree_type *exp; | |
598 | { | |
599 | switch (exp->type.node_class) | |
600 | { | |
601 | case etree_assign: | |
602 | exp_init_os (exp->assign.src); | |
603 | break; | |
604 | ||
605 | case etree_binary: | |
606 | exp_init_os (exp->binary.lhs); | |
607 | exp_init_os (exp->binary.rhs); | |
608 | break; | |
609 | ||
610 | case etree_trinary: | |
611 | exp_init_os (exp->trinary.cond); | |
612 | exp_init_os (exp->trinary.lhs); | |
613 | exp_init_os (exp->trinary.rhs); | |
614 | break; | |
615 | ||
616 | case etree_unary: | |
617 | exp_init_os (exp->unary.child); | |
618 | break; | |
619 | ||
620 | case etree_name: | |
621 | switch (exp->type.node_code) | |
622 | { | |
623 | case ADDR: | |
5735ac9e | 624 | case LOADADDR: |
86bc0974 ILT |
625 | case SIZEOF: |
626 | { | |
627 | lang_output_section_statement_type *os; | |
628 | ||
629 | os = lang_output_section_find (exp->name.name); | |
630 | if (os != NULL && os->bfd_section == NULL) | |
631 | init_os (os); | |
632 | } | |
633 | } | |
634 | break; | |
635 | ||
636 | default: | |
637 | break; | |
638 | } | |
2fa0b342 | 639 | } |
23595ba5 ILT |
640 | |
641 | /* Sections marked with the SEC_LINK_ONCE flag should only be linked | |
642 | once into the output. This routine checks each sections, and | |
643 | arranges to discard it if a section of the same name has already | |
644 | been linked. This code assumes that all relevant sections have the | |
645 | SEC_LINK_ONCE flag set; that is, it does not depend solely upon the | |
646 | section name. This is called via bfd_map_over_sections. */ | |
647 | ||
648 | /*ARGSUSED*/ | |
649 | static void | |
650 | section_already_linked (abfd, sec, ignore) | |
651 | bfd *abfd; | |
652 | asection *sec; | |
653 | PTR ignore; | |
654 | { | |
655 | struct sec_link_once | |
656 | { | |
657 | struct sec_link_once *next; | |
658 | asection *sec; | |
659 | }; | |
660 | static struct sec_link_once *sec_link_once_list; | |
661 | flagword flags; | |
662 | const char *name; | |
663 | struct sec_link_once *l; | |
664 | ||
665 | flags = bfd_get_section_flags (abfd, sec); | |
666 | ||
667 | if ((flags & SEC_LINK_ONCE) == 0) | |
668 | return; | |
669 | ||
670 | name = bfd_get_section_name (abfd, sec); | |
671 | ||
672 | for (l = sec_link_once_list; l != NULL; l = l->next) | |
673 | { | |
674 | if (strcmp (name, bfd_get_section_name (l->sec->owner, l->sec)) == 0) | |
675 | { | |
676 | /* The section has already been linked. See if we should | |
677 | issue a warning. */ | |
678 | switch (flags & SEC_LINK_DUPLICATES) | |
679 | { | |
680 | default: | |
681 | abort (); | |
682 | ||
683 | case SEC_LINK_DUPLICATES_DISCARD: | |
684 | break; | |
685 | ||
686 | case SEC_LINK_DUPLICATES_ONE_ONLY: | |
0a0d1bdd | 687 | einfo ("%P: %B: warning: ignoring duplicate section `%s'\n", |
23595ba5 ILT |
688 | abfd, name); |
689 | break; | |
690 | ||
691 | case SEC_LINK_DUPLICATES_SAME_CONTENTS: | |
692 | /* FIXME: We should really dig out the contents of both | |
693 | sections and memcmp them. The COFF/PE spec says that | |
694 | the Microsoft linker does not implement this | |
695 | correctly, so I'm not going to bother doing it | |
696 | either. */ | |
697 | /* Fall through. */ | |
698 | case SEC_LINK_DUPLICATES_SAME_SIZE: | |
699 | if (bfd_section_size (abfd, sec) | |
700 | != bfd_section_size (l->sec->owner, l->sec)) | |
0a0d1bdd DE |
701 | einfo ("%P: %B: warning: duplicate section `%s' has different size\n", |
702 | abfd, name); | |
23595ba5 ILT |
703 | break; |
704 | } | |
705 | ||
706 | /* Set the output_section field so that wild_doit does not | |
707 | create a lang_input_section structure for this section. */ | |
708 | sec->output_section = bfd_abs_section_ptr; | |
709 | ||
710 | return; | |
711 | } | |
712 | } | |
713 | ||
714 | /* This is the first section with this name. Record it. */ | |
715 | ||
716 | l = (struct sec_link_once *) xmalloc (sizeof *l); | |
717 | l->sec = sec; | |
718 | l->next = sec_link_once_list; | |
719 | sec_link_once_list = l; | |
720 | } | |
64664e69 ILT |
721 | \f |
722 | /* The wild routines. | |
2fa0b342 | 723 | |
64664e69 ILT |
724 | These expand statements like *(.text) and foo.o to a list of |
725 | explicit actions, like foo.o(.text), bar.o(.text) and | |
726 | foo.o(.text, .data). */ | |
1418c83b | 727 | |
86bc0974 ILT |
728 | /* Return true if the PATTERN argument is a wildcard pattern. */ |
729 | ||
730 | static boolean | |
731 | wildcardp (pattern) | |
732 | const char *pattern; | |
733 | { | |
734 | const char *s; | |
735 | ||
736 | for (s = pattern; *s != '\0'; ++s) | |
737 | if (*s == '?' | |
738 | || *s == '\\' | |
739 | || *s == '*' | |
740 | || *s == '[') | |
741 | return true; | |
742 | return false; | |
743 | } | |
744 | ||
64664e69 ILT |
745 | /* Add SECTION to the output section OUTPUT. Do this by creating a |
746 | lang_input_section statement which is placed at PTR. FILE is the | |
747 | input file which holds SECTION. */ | |
075d7359 | 748 | |
0b3499f6 | 749 | void |
8ddef552 | 750 | wild_doit (ptr, section, output, file) |
64664e69 ILT |
751 | lang_statement_list_type *ptr; |
752 | asection *section; | |
753 | lang_output_section_statement_type *output; | |
754 | lang_input_statement_type *file; | |
2fa0b342 | 755 | { |
6429ad7e | 756 | flagword flags; |
23595ba5 ILT |
757 | boolean discard; |
758 | ||
6429ad7e ILT |
759 | flags = bfd_get_section_flags (section->owner, section); |
760 | ||
23595ba5 ILT |
761 | discard = false; |
762 | ||
763 | /* If we are doing a final link, discard sections marked with | |
764 | SEC_EXCLUDE. */ | |
765 | if (! link_info.relocateable | |
6429ad7e | 766 | && (flags & SEC_EXCLUDE) != 0) |
23595ba5 ILT |
767 | discard = true; |
768 | ||
769 | /* Discard input sections which are assigned to a section named | |
770 | DISCARD_SECTION_NAME. */ | |
cf2e4f5f | 771 | if (strcmp (output->name, DISCARD_SECTION_NAME) == 0) |
23595ba5 ILT |
772 | discard = true; |
773 | ||
6429ad7e ILT |
774 | /* Discard debugging sections if we are stripping debugging |
775 | information. */ | |
776 | if ((link_info.strip == strip_debugger || link_info.strip == strip_all) | |
777 | && (flags & SEC_DEBUGGING) != 0) | |
778 | discard = true; | |
779 | ||
23595ba5 | 780 | if (discard) |
cf2e4f5f | 781 | { |
23595ba5 | 782 | if (section->output_section == NULL) |
cf2e4f5f ILT |
783 | { |
784 | /* This prevents future calls from assigning this section. */ | |
785 | section->output_section = bfd_abs_section_ptr; | |
786 | } | |
787 | return; | |
788 | } | |
789 | ||
23595ba5 | 790 | if (section->output_section == NULL) |
ae475b39 | 791 | { |
23595ba5 ILT |
792 | lang_input_section_type *new; |
793 | ||
794 | if (output->bfd_section == NULL) | |
795 | init_os (output); | |
796 | ||
64664e69 | 797 | /* Add a section reference to the list */ |
23595ba5 | 798 | new = new_stat (lang_input_section, ptr); |
64664e69 ILT |
799 | |
800 | new->section = section; | |
801 | new->ifile = file; | |
802 | section->output_section = output->bfd_section; | |
803 | ||
804 | /* We don't copy the SEC_NEVER_LOAD flag from an input section | |
805 | to an output section, because we want to be able to include a | |
806 | SEC_NEVER_LOAD section in the middle of an otherwise loaded | |
807 | section (I don't know why we want to do this, but we do). | |
808 | build_link_order in ldwrite.c handles this case by turning | |
86bc0974 ILT |
809 | the embedded SEC_NEVER_LOAD section into a fill. |
810 | ||
811 | If final link, don't copy the SEC_LINK_ONCE flags, they've already | |
812 | been processed. One reason to do this is that on pe format targets, | |
813 | .text$foo sections go into .text and it's odd to see .text with | |
814 | SEC_LINK_ONCE set. */ | |
815 | ||
64664e69 | 816 | section->output_section->flags |= |
86bc0974 ILT |
817 | section->flags & (flagword) (~ (SEC_NEVER_LOAD |
818 | | (! link_info.relocateable | |
819 | ? SEC_LINK_ONCE | SEC_LINK_DUPLICATES | |
820 | : 0))); | |
64664e69 | 821 | |
86bc0974 | 822 | switch (output->sectype) |
64664e69 | 823 | { |
86bc0974 ILT |
824 | case normal_section: |
825 | break; | |
826 | case dsect_section: | |
827 | case copy_section: | |
828 | case info_section: | |
829 | case overlay_section: | |
830 | output->bfd_section->flags &= ~SEC_ALLOC; | |
831 | break; | |
832 | case noload_section: | |
64664e69 ILT |
833 | output->bfd_section->flags &= ~SEC_LOAD; |
834 | output->bfd_section->flags |= SEC_NEVER_LOAD; | |
86bc0974 | 835 | break; |
64664e69 ILT |
836 | } |
837 | ||
838 | if (section->alignment_power > output->bfd_section->alignment_power) | |
839 | output->bfd_section->alignment_power = section->alignment_power; | |
840 | ||
cf2e4f5f | 841 | /* If supplied an aligment, then force it. */ |
64664e69 ILT |
842 | if (output->section_alignment != -1) |
843 | output->bfd_section->alignment_power = output->section_alignment; | |
e20873a7 | 844 | } |
2fa0b342 DHW |
845 | } |
846 | ||
64664e69 ILT |
847 | /* Expand a wild statement for a particular FILE. SECTION may be |
848 | NULL, in which case it is a wild card. */ | |
849 | ||
075d7359 | 850 | static void |
8ddef552 | 851 | wild_section (ptr, section, file, output) |
309c8153 ILT |
852 | lang_wild_statement_type *ptr; |
853 | const char *section; | |
854 | lang_input_statement_type *file; | |
855 | lang_output_section_statement_type *output; | |
2fa0b342 | 856 | { |
075d7359 SC |
857 | if (file->just_syms_flag == false) |
858 | { | |
309c8153 | 859 | register asection *s; |
86bc0974 ILT |
860 | boolean wildcard; |
861 | ||
862 | if (section == NULL) | |
863 | wildcard = false; | |
864 | else | |
865 | wildcard = wildcardp (section); | |
309c8153 ILT |
866 | |
867 | for (s = file->the_bfd->sections; s != NULL; s = s->next) | |
075d7359 | 868 | { |
86bc0974 ILT |
869 | boolean match; |
870 | ||
309c8153 ILT |
871 | /* Attach all sections named SECTION. If SECTION is NULL, |
872 | then attach all sections. | |
873 | ||
874 | Previously, if SECTION was NULL, this code did not call | |
875 | wild_doit if the SEC_IS_COMMON flag was set for the | |
876 | section. I did not understand that, and I took it out. | |
877 | --ian@cygnus.com. */ | |
878 | ||
86bc0974 ILT |
879 | if (section == NULL) |
880 | match = true; | |
881 | else | |
882 | { | |
883 | const char *name; | |
884 | ||
885 | name = bfd_get_section_name (file->the_bfd, s); | |
886 | if (wildcard) | |
887 | match = fnmatch (section, name, 0) == 0 ? true : false; | |
888 | else | |
889 | match = strcmp (section, name) == 0 ? true : false; | |
890 | } | |
891 | if (match) | |
f9d3d71a | 892 | wild_doit (&ptr->children, s, output, file); |
075d7359 | 893 | } |
2fa0b342 | 894 | } |
2fa0b342 DHW |
895 | } |
896 | ||
64664e69 ILT |
897 | /* This is passed a file name which must have been seen already and |
898 | added to the statement tree. We will see if it has been opened | |
899 | already and had its symbols read. If not then we'll read it. */ | |
2fa0b342 | 900 | |
193c5f93 ILT |
901 | static lang_input_statement_type * |
902 | lookup_name (name) | |
64664e69 | 903 | const char *name; |
2fa0b342 DHW |
904 | { |
905 | lang_input_statement_type *search; | |
075d7359 SC |
906 | |
907 | for (search = (lang_input_statement_type *) input_file_chain.head; | |
908 | search != (lang_input_statement_type *) NULL; | |
909 | search = (lang_input_statement_type *) search->next_real_file) | |
910 | { | |
911 | if (search->filename == (char *) NULL && name == (char *) NULL) | |
c477527c ILT |
912 | return search; |
913 | if (search->filename != (char *) NULL | |
914 | && name != (char *) NULL | |
915 | && strcmp (search->filename, name) == 0) | |
916 | break; | |
075d7359 | 917 | } |
2fa0b342 | 918 | |
c477527c | 919 | if (search == (lang_input_statement_type *) NULL) |
193c5f93 ILT |
920 | search = new_afile (name, lang_input_file_is_file_enum, default_target, |
921 | false); | |
c477527c | 922 | |
5e6cd559 ILT |
923 | /* If we have already added this file, or this file is not real |
924 | (FIXME: can that ever actually happen?) or the name is NULL | |
925 | (FIXME: can that ever actually happen?) don't add this file. */ | |
193c5f93 | 926 | if (search->loaded |
5e6cd559 ILT |
927 | || ! search->real |
928 | || search->filename == (const char *) NULL) | |
929 | return search; | |
930 | ||
6a02a973 | 931 | load_symbols (search, (lang_statement_list_type *) NULL); |
193c5f93 ILT |
932 | |
933 | return search; | |
934 | } | |
935 | ||
936 | /* Get the symbols for an input file. */ | |
c477527c | 937 | |
193c5f93 | 938 | static void |
6a02a973 | 939 | load_symbols (entry, place) |
193c5f93 | 940 | lang_input_statement_type *entry; |
6a02a973 | 941 | lang_statement_list_type *place; |
193c5f93 | 942 | { |
0b3499f6 ILT |
943 | char **matching; |
944 | ||
193c5f93 ILT |
945 | if (entry->loaded) |
946 | return; | |
947 | ||
948 | ldfile_open_file (entry); | |
949 | ||
0b3499f6 ILT |
950 | if (! bfd_check_format (entry->the_bfd, bfd_archive) |
951 | && ! bfd_check_format_matches (entry->the_bfd, bfd_object, &matching)) | |
952 | { | |
953 | bfd_error_type err; | |
6a02a973 | 954 | lang_statement_list_type *hold; |
0b3499f6 ILT |
955 | |
956 | err = bfd_get_error (); | |
957 | if (err == bfd_error_file_ambiguously_recognized) | |
958 | { | |
959 | char **p; | |
960 | ||
961 | einfo ("%B: file not recognized: %E\n", entry->the_bfd); | |
962 | einfo ("%B: matching formats:", entry->the_bfd); | |
963 | for (p = matching; *p != NULL; p++) | |
964 | einfo (" %s", *p); | |
965 | einfo ("%F\n"); | |
966 | } | |
6a02a973 ILT |
967 | else if (err != bfd_error_file_not_recognized |
968 | || place == NULL) | |
0b3499f6 ILT |
969 | einfo ("%F%B: file not recognized: %E\n", entry->the_bfd); |
970 | ||
0b3499f6 ILT |
971 | bfd_close (entry->the_bfd); |
972 | entry->the_bfd = NULL; | |
973 | ||
64664e69 ILT |
974 | /* See if the emulation has some special knowledge. */ |
975 | ||
976 | if (ldemul_unrecognized_file (entry)) | |
977 | return; | |
978 | ||
979 | /* Try to interpret the file as a linker script. */ | |
980 | ||
0b3499f6 ILT |
981 | ldfile_open_command_file (entry->filename); |
982 | ||
6a02a973 ILT |
983 | hold = stat_ptr; |
984 | stat_ptr = place; | |
985 | ||
0b3499f6 ILT |
986 | ldfile_assumed_script = true; |
987 | parser_input = input_script; | |
988 | yyparse (); | |
989 | ldfile_assumed_script = false; | |
990 | ||
6a02a973 ILT |
991 | stat_ptr = hold; |
992 | ||
0b3499f6 ILT |
993 | return; |
994 | } | |
995 | ||
996 | /* We don't call ldlang_add_file for an archive. Instead, the | |
997 | add_symbols entry point will call ldlang_add_file, via the | |
998 | add_archive_element callback, for each element of the archive | |
999 | which is used. */ | |
f400bbbb | 1000 | switch (bfd_get_format (entry->the_bfd)) |
5e6cd559 | 1001 | { |
f400bbbb ILT |
1002 | default: |
1003 | break; | |
1004 | ||
1005 | case bfd_object: | |
193c5f93 | 1006 | ldlang_add_file (entry); |
5e6cd559 | 1007 | if (trace_files || trace_file_tries) |
193c5f93 | 1008 | info_msg ("%I\n", entry); |
f400bbbb ILT |
1009 | break; |
1010 | ||
1011 | case bfd_archive: | |
3c8deccc | 1012 | if (entry->whole_archive) |
f400bbbb ILT |
1013 | { |
1014 | bfd *member = bfd_openr_next_archived_file (entry->the_bfd, | |
1015 | (bfd *) NULL); | |
1016 | while (member != NULL) | |
1017 | { | |
1018 | if (! bfd_check_format (member, bfd_object)) | |
1019 | einfo ("%F%B: object %B in archive is not object\n", | |
1020 | entry->the_bfd, member); | |
1021 | if (! ((*link_info.callbacks->add_archive_element) | |
0cacbcbe | 1022 | (&link_info, member, "--whole-archive"))) |
f400bbbb ILT |
1023 | abort (); |
1024 | if (! bfd_link_add_symbols (member, &link_info)) | |
1025 | einfo ("%F%B: could not read symbols: %E\n", member); | |
1026 | member = bfd_openr_next_archived_file (entry->the_bfd, | |
1027 | member); | |
1028 | } | |
1029 | ||
1030 | entry->loaded = true; | |
1031 | ||
1032 | return; | |
1033 | } | |
5e6cd559 | 1034 | } |
1418c83b | 1035 | |
0b3499f6 | 1036 | if (! bfd_link_add_symbols (entry->the_bfd, &link_info)) |
193c5f93 | 1037 | einfo ("%F%B: could not read symbols: %E\n", entry->the_bfd); |
5e6cd559 | 1038 | |
193c5f93 | 1039 | entry->loaded = true; |
2fa0b342 DHW |
1040 | } |
1041 | ||
86bc0974 ILT |
1042 | /* Handle a wild statement for a single file F. */ |
1043 | ||
1044 | static void | |
1045 | wild_file (s, section, f, output) | |
1046 | lang_wild_statement_type *s; | |
1047 | const char *section; | |
1048 | lang_input_statement_type *f; | |
1049 | lang_output_section_statement_type *output; | |
1050 | { | |
1051 | if (f->the_bfd == NULL | |
1052 | || ! bfd_check_format (f->the_bfd, bfd_archive)) | |
1053 | wild_section (s, section, f, output); | |
1054 | else | |
1055 | { | |
1056 | bfd *member; | |
1057 | ||
1058 | /* This is an archive file. We must map each member of the | |
1059 | archive separately. */ | |
1060 | member = bfd_openr_next_archived_file (f->the_bfd, (bfd *) NULL); | |
1061 | while (member != NULL) | |
1062 | { | |
1063 | /* When lookup_name is called, it will call the add_symbols | |
1064 | entry point for the archive. For each element of the | |
1065 | archive which is included, BFD will call ldlang_add_file, | |
1066 | which will set the usrdata field of the member to the | |
1067 | lang_input_statement. */ | |
1068 | if (member->usrdata != NULL) | |
1069 | { | |
1070 | wild_section (s, section, | |
1071 | (lang_input_statement_type *) member->usrdata, | |
1072 | output); | |
1073 | } | |
1074 | ||
1075 | member = bfd_openr_next_archived_file (f->the_bfd, member); | |
1076 | } | |
1077 | } | |
1078 | } | |
1079 | ||
64664e69 ILT |
1080 | /* Handle a wild statement. SECTION or FILE or both may be NULL, |
1081 | indicating that it is a wildcard. Separate lang_input_section | |
1082 | statements are created for each part of the expansion; they are | |
1083 | added after the wild statement S. OUTPUT is the output section. */ | |
1084 | ||
2fa0b342 | 1085 | static void |
8ddef552 | 1086 | wild (s, section, file, target, output) |
64664e69 ILT |
1087 | lang_wild_statement_type *s; |
1088 | const char *section; | |
1089 | const char *file; | |
1090 | const char *target; | |
1091 | lang_output_section_statement_type *output; | |
2fa0b342 DHW |
1092 | { |
1093 | lang_input_statement_type *f; | |
075d7359 SC |
1094 | |
1095 | if (file == (char *) NULL) | |
1096 | { | |
1097 | /* Perform the iteration over all files in the list */ | |
1098 | for (f = (lang_input_statement_type *) file_chain.head; | |
1099 | f != (lang_input_statement_type *) NULL; | |
1100 | f = (lang_input_statement_type *) f->next) | |
1101 | { | |
86bc0974 ILT |
1102 | wild_file (s, section, f, output); |
1103 | } | |
1104 | } | |
1105 | else if (wildcardp (file)) | |
1106 | { | |
1107 | for (f = (lang_input_statement_type *) file_chain.head; | |
1108 | f != (lang_input_statement_type *) NULL; | |
1109 | f = (lang_input_statement_type *) f->next) | |
1110 | { | |
1111 | if (fnmatch (file, f->filename, FNM_FILE_NAME) == 0) | |
1112 | wild_file (s, section, f, output); | |
075d7359 SC |
1113 | } |
1114 | } | |
1115 | else | |
1116 | { | |
1117 | /* Perform the iteration over a single file */ | |
3d0c8fa1 | 1118 | f = lookup_name (file); |
86bc0974 | 1119 | wild_file (s, section, f, output); |
075d7359 | 1120 | } |
64664e69 | 1121 | |
075d7359 SC |
1122 | if (section != (char *) NULL |
1123 | && strcmp (section, "COMMON") == 0 | |
64664e69 | 1124 | && default_common_section == NULL) |
075d7359 | 1125 | { |
64664e69 ILT |
1126 | /* Remember the section that common is going to in case we later |
1127 | get something which doesn't know where to put it. */ | |
075d7359 | 1128 | default_common_section = output; |
2fa0b342 | 1129 | } |
2fa0b342 DHW |
1130 | } |
1131 | ||
64664e69 | 1132 | /* Open the output file. */ |
97fbbaca | 1133 | |
075d7359 | 1134 | static bfd * |
8ddef552 | 1135 | open_output (name) |
64664e69 | 1136 | const char *name; |
2fa0b342 | 1137 | { |
097879bc | 1138 | bfd *output; |
097879bc | 1139 | |
075d7359 | 1140 | if (output_target == (char *) NULL) |
ae475b39 SC |
1141 | { |
1142 | if (current_target != (char *) NULL) | |
1143 | output_target = current_target; | |
1144 | else | |
1145 | output_target = default_target; | |
1146 | } | |
075d7359 | 1147 | output = bfd_openw (name, output_target); |
075d7359 SC |
1148 | |
1149 | if (output == (bfd *) NULL) | |
1150 | { | |
5bcb7f28 | 1151 | if (bfd_get_error () == bfd_error_invalid_target) |
ae475b39 | 1152 | { |
ddddcdf0 | 1153 | einfo ("%P%F: target %s not found\n", output_target); |
ae475b39 | 1154 | } |
ddddcdf0 | 1155 | einfo ("%P%F: cannot open output file %s: %E\n", name); |
075d7359 | 1156 | } |
30d1a390 | 1157 | |
86bc0974 | 1158 | delete_output_file_on_failure = true; |
97fbbaca | 1159 | |
30d1a390 | 1160 | /* output->flags |= D_PAGED;*/ |
075d7359 | 1161 | |
ddddcdf0 ILT |
1162 | if (! bfd_set_format (output, bfd_object)) |
1163 | einfo ("%P%F:%s: can not make object file: %E\n", name); | |
1164 | if (! bfd_set_arch_mach (output, | |
1165 | ldfile_output_architecture, | |
1166 | ldfile_output_machine)) | |
1167 | einfo ("%P%F:%s: can not set architecture: %E\n", name); | |
1168 | ||
c477527c ILT |
1169 | link_info.hash = bfd_link_hash_table_create (output); |
1170 | if (link_info.hash == (struct bfd_link_hash_table *) NULL) | |
1171 | einfo ("%P%F: can not create link hash table: %E\n"); | |
1172 | ||
1b8a42f3 | 1173 | bfd_set_gp_size (output, g_switch_value); |
2fa0b342 DHW |
1174 | return output; |
1175 | } | |
1418c83b SC |
1176 | |
1177 | ||
097879bc | 1178 | |
1418c83b | 1179 | |
2fa0b342 | 1180 | static void |
8ddef552 DM |
1181 | ldlang_open_output (statement) |
1182 | lang_statement_union_type * statement; | |
2fa0b342 | 1183 | { |
075d7359 SC |
1184 | switch (statement->header.type) |
1185 | { | |
c477527c ILT |
1186 | case lang_output_statement_enum: |
1187 | ASSERT (output_bfd == (bfd *) NULL); | |
075d7359 SC |
1188 | output_bfd = open_output (statement->output_statement.name); |
1189 | ldemul_set_output_arch (); | |
c477527c | 1190 | if (config.magic_demand_paged && !link_info.relocateable) |
075d7359 SC |
1191 | output_bfd->flags |= D_PAGED; |
1192 | else | |
1193 | output_bfd->flags &= ~D_PAGED; | |
1194 | if (config.text_read_only) | |
1195 | output_bfd->flags |= WP_TEXT; | |
1196 | else | |
1197 | output_bfd->flags &= ~WP_TEXT; | |
6799c638 | 1198 | if (link_info.traditional_format) |
c96386c4 ILT |
1199 | output_bfd->flags |= BFD_TRADITIONAL_FORMAT; |
1200 | else | |
1201 | output_bfd->flags &= ~BFD_TRADITIONAL_FORMAT; | |
075d7359 | 1202 | break; |
1418c83b | 1203 | |
075d7359 SC |
1204 | case lang_target_statement_enum: |
1205 | current_target = statement->target_statement.target; | |
1206 | break; | |
1207 | default: | |
1208 | break; | |
1209 | } | |
1418c83b | 1210 | } |
2fa0b342 | 1211 | |
309c8153 ILT |
1212 | /* Open all the input files. */ |
1213 | ||
1418c83b | 1214 | static void |
309c8153 ILT |
1215 | open_input_bfds (s, force) |
1216 | lang_statement_union_type *s; | |
1217 | boolean force; | |
1418c83b | 1218 | { |
309c8153 | 1219 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
075d7359 | 1220 | { |
309c8153 | 1221 | switch (s->header.type) |
075d7359 | 1222 | { |
309c8153 ILT |
1223 | case lang_constructors_statement_enum: |
1224 | open_input_bfds (constructor_list.head, force); | |
1225 | break; | |
1226 | case lang_output_section_statement_enum: | |
1227 | open_input_bfds (s->output_section_statement.children.head, force); | |
1228 | break; | |
1229 | case lang_wild_statement_enum: | |
1230 | /* Maybe we should load the file's symbols */ | |
86bc0974 ILT |
1231 | if (s->wild_statement.filename |
1232 | && ! wildcardp (s->wild_statement.filename)) | |
309c8153 ILT |
1233 | (void) lookup_name (s->wild_statement.filename); |
1234 | open_input_bfds (s->wild_statement.children.head, force); | |
1235 | break; | |
1236 | case lang_group_statement_enum: | |
1237 | { | |
1238 | struct bfd_link_hash_entry *undefs; | |
1239 | ||
1240 | /* We must continually search the entries in the group | |
1241 | until no new symbols are added to the list of undefined | |
1242 | symbols. */ | |
1243 | ||
1244 | do | |
1245 | { | |
1246 | undefs = link_info.hash->undefs_tail; | |
1247 | open_input_bfds (s->group_statement.children.head, true); | |
1248 | } | |
1249 | while (undefs != link_info.hash->undefs_tail); | |
1250 | } | |
1251 | break; | |
1252 | case lang_target_statement_enum: | |
1253 | current_target = s->target_statement.target; | |
1254 | break; | |
1255 | case lang_input_statement_enum: | |
1256 | if (s->input_statement.real == true) | |
1257 | { | |
6a02a973 ILT |
1258 | lang_statement_list_type add; |
1259 | ||
309c8153 ILT |
1260 | s->input_statement.target = current_target; |
1261 | ||
1262 | /* If we are being called from within a group, and this | |
1263 | is an archive which has already been searched, then | |
1264 | force it to be researched. */ | |
1265 | if (force | |
1266 | && s->input_statement.loaded | |
1267 | && bfd_check_format (s->input_statement.the_bfd, | |
1268 | bfd_archive)) | |
1269 | s->input_statement.loaded = false; | |
1270 | ||
6a02a973 ILT |
1271 | lang_list_init (&add); |
1272 | ||
1273 | load_symbols (&s->input_statement, &add); | |
1274 | ||
1275 | if (add.head != NULL) | |
1276 | { | |
1277 | *add.tail = s->next; | |
1278 | s->next = add.head; | |
1279 | } | |
309c8153 ILT |
1280 | } |
1281 | break; | |
1282 | default: | |
1283 | break; | |
075d7359 | 1284 | } |
075d7359 | 1285 | } |
2fa0b342 | 1286 | } |
075d7359 | 1287 | |
2fa0b342 DHW |
1288 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
1289 | ||
1290 | static void | |
075d7359 | 1291 | lang_reasonable_defaults () |
2fa0b342 | 1292 | { |
1418c83b | 1293 | #if 0 |
075d7359 SC |
1294 | lang_output_section_statement_lookup (".text"); |
1295 | lang_output_section_statement_lookup (".data"); | |
8cb5eb31 | 1296 | |
075d7359 SC |
1297 | default_common_section = |
1298 | lang_output_section_statement_lookup (".bss"); | |
8cb5eb31 | 1299 | |
1418c83b | 1300 | |
075d7359 SC |
1301 | if (placed_commons == false) |
1302 | { | |
1303 | lang_wild_statement_type *new = | |
1304 | new_stat (lang_wild_statement, | |
1305 | &default_common_section->children); | |
1306 | ||
1307 | new->section_name = "COMMON"; | |
1308 | new->filename = (char *) NULL; | |
1309 | lang_list_init (&new->children); | |
1310 | } | |
1418c83b | 1311 | #endif |
8cb5eb31 | 1312 | |
2fa0b342 DHW |
1313 | } |
1314 | ||
1418c83b SC |
1315 | /* |
1316 | Add the supplied name to the symbol table as an undefined reference. | |
1317 | Remove items from the chain as we open input bfds | |
1318 | */ | |
075d7359 SC |
1319 | typedef struct ldlang_undef_chain_list |
1320 | { | |
f177a611 | 1321 | struct ldlang_undef_chain_list *next; |
1418c83b | 1322 | char *name; |
075d7359 | 1323 | } ldlang_undef_chain_list_type; |
1418c83b SC |
1324 | |
1325 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
1326 | ||
1327 | void | |
8ddef552 DM |
1328 | ldlang_add_undef (name) |
1329 | CONST char *CONST name; | |
2fa0b342 | 1330 | { |
1418c83b | 1331 | ldlang_undef_chain_list_type *new = |
1d169acc ILT |
1332 | ((ldlang_undef_chain_list_type *) |
1333 | stat_alloc (sizeof (ldlang_undef_chain_list_type))); | |
1418c83b SC |
1334 | |
1335 | new->next = ldlang_undef_chain_list_head; | |
1336 | ldlang_undef_chain_list_head = new; | |
1337 | ||
075d7359 | 1338 | new->name = buystring (name); |
1418c83b | 1339 | } |
075d7359 | 1340 | |
1418c83b SC |
1341 | /* Run through the list of undefineds created above and place them |
1342 | into the linker hash table as undefined symbols belonging to the | |
1343 | script file. | |
1344 | */ | |
1345 | static void | |
8ddef552 | 1346 | lang_place_undefineds () |
1418c83b | 1347 | { |
c477527c | 1348 | ldlang_undef_chain_list_type *ptr; |
1418c83b | 1349 | |
c477527c ILT |
1350 | for (ptr = ldlang_undef_chain_list_head; |
1351 | ptr != (ldlang_undef_chain_list_type *) NULL; | |
1352 | ptr = ptr->next) | |
075d7359 | 1353 | { |
c477527c | 1354 | struct bfd_link_hash_entry *h; |
075d7359 | 1355 | |
c477527c ILT |
1356 | h = bfd_link_hash_lookup (link_info.hash, ptr->name, true, false, true); |
1357 | if (h == (struct bfd_link_hash_entry *) NULL) | |
1358 | einfo ("%P%F: bfd_link_hash_lookup failed: %E"); | |
1359 | if (h->type == bfd_link_hash_new) | |
1360 | { | |
1361 | h->type = bfd_link_hash_undefined; | |
1362 | h->u.undef.abfd = NULL; | |
1363 | bfd_link_add_undef (link_info.hash, h); | |
1364 | } | |
075d7359 SC |
1365 | } |
1366 | } | |
1418c83b | 1367 | |
2fa0b342 DHW |
1368 | /* Open input files and attatch to output sections */ |
1369 | static void | |
8ddef552 DM |
1370 | map_input_to_output_sections (s, target, output_section_statement) |
1371 | lang_statement_union_type * s; | |
1372 | CONST char *target; | |
1373 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 | 1374 | { |
075d7359 | 1375 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1376 | { |
075d7359 | 1377 | switch (s->header.type) |
2fa0b342 | 1378 | { |
075d7359 SC |
1379 | |
1380 | ||
1381 | case lang_wild_statement_enum: | |
1382 | wild (&s->wild_statement, s->wild_statement.section_name, | |
1383 | s->wild_statement.filename, target, | |
1384 | output_section_statement); | |
1385 | ||
1386 | break; | |
1387 | case lang_constructors_statement_enum: | |
1388 | map_input_to_output_sections (constructor_list.head, | |
1389 | target, | |
1390 | output_section_statement); | |
1391 | break; | |
1392 | case lang_output_section_statement_enum: | |
1393 | map_input_to_output_sections (s->output_section_statement.children.head, | |
1394 | target, | |
1395 | &s->output_section_statement); | |
1396 | break; | |
1397 | case lang_output_statement_enum: | |
1398 | break; | |
1399 | case lang_target_statement_enum: | |
1400 | target = s->target_statement.target; | |
1401 | break; | |
309c8153 ILT |
1402 | case lang_group_statement_enum: |
1403 | map_input_to_output_sections (s->group_statement.children.head, | |
1404 | target, | |
1405 | output_section_statement); | |
1406 | break; | |
075d7359 SC |
1407 | case lang_fill_statement_enum: |
1408 | case lang_input_section_enum: | |
1409 | case lang_object_symbols_statement_enum: | |
1410 | case lang_data_statement_enum: | |
4fdbafb2 | 1411 | case lang_reloc_statement_enum: |
075d7359 | 1412 | case lang_padding_statement_enum: |
f9d3d71a ILT |
1413 | case lang_input_statement_enum: |
1414 | if (output_section_statement != NULL | |
1415 | && output_section_statement->bfd_section == NULL) | |
1416 | init_os (output_section_statement); | |
075d7359 | 1417 | break; |
86bc0974 ILT |
1418 | case lang_assignment_statement_enum: |
1419 | if (output_section_statement != NULL | |
1420 | && output_section_statement->bfd_section == NULL) | |
1421 | init_os (output_section_statement); | |
1422 | ||
1423 | /* Make sure that any sections mentioned in the assignment | |
1424 | are initialized. */ | |
1425 | exp_init_os (s->assignment_statement.exp); | |
1426 | break; | |
075d7359 SC |
1427 | case lang_afile_asection_pair_statement_enum: |
1428 | FAIL (); | |
1429 | break; | |
1430 | case lang_address_statement_enum: | |
1431 | /* Mark the specified section with the supplied address */ | |
1432 | { | |
1433 | lang_output_section_statement_type *os = | |
ef01a8a8 ILT |
1434 | lang_output_section_statement_lookup |
1435 | (s->address_statement.section_name); | |
075d7359 | 1436 | |
ef01a8a8 ILT |
1437 | if (os->bfd_section == NULL) |
1438 | init_os (os); | |
075d7359 | 1439 | os->addr_tree = s->address_statement.address; |
48491e2e | 1440 | } |
075d7359 | 1441 | break; |
2fa0b342 | 1442 | } |
2fa0b342 DHW |
1443 | } |
1444 | } | |
1445 | ||
075d7359 | 1446 | static void |
8ddef552 DM |
1447 | print_output_section_statement (output_section_statement) |
1448 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 DHW |
1449 | { |
1450 | asection *section = output_section_statement->bfd_section; | |
0cacbcbe | 1451 | int len; |
075d7359 | 1452 | |
0cacbcbe ILT |
1453 | if (output_section_statement != abs_output_section) |
1454 | { | |
1455 | minfo ("\n%s", output_section_statement->name); | |
075d7359 | 1456 | |
0cacbcbe ILT |
1457 | if (section != NULL) |
1458 | { | |
1459 | print_dot = section->vma; | |
e20873a7 | 1460 | |
0cacbcbe ILT |
1461 | len = strlen (output_section_statement->name); |
1462 | if (len >= SECTION_NAME_MAP_LENGTH - 1) | |
1463 | { | |
1464 | print_nl (); | |
1465 | len = 0; | |
1466 | } | |
1467 | while (len < SECTION_NAME_MAP_LENGTH) | |
1468 | { | |
1469 | print_space (); | |
1470 | ++len; | |
1471 | } | |
2fa0b342 | 1472 | |
0cacbcbe ILT |
1473 | minfo ("0x%V %W", section->vma, section->_raw_size); |
1474 | ||
1475 | if (output_section_statement->load_base != NULL) | |
1476 | { | |
1477 | bfd_vma addr; | |
1478 | ||
1479 | addr = exp_get_abs_int (output_section_statement->load_base, 0, | |
1480 | "load base", lang_final_phase_enum); | |
1481 | minfo (" load address 0x%V", addr); | |
1482 | } | |
1483 | } | |
1484 | ||
1485 | print_nl (); | |
e20873a7 | 1486 | } |
0cacbcbe | 1487 | |
708f7fbc ILT |
1488 | print_statement_list (output_section_statement->children.head, |
1489 | output_section_statement); | |
2fa0b342 DHW |
1490 | } |
1491 | ||
075d7359 | 1492 | static void |
8ddef552 DM |
1493 | print_assignment (assignment, output_section) |
1494 | lang_assignment_statement_type * assignment; | |
1495 | lang_output_section_statement_type * output_section; | |
2fa0b342 | 1496 | { |
0cacbcbe | 1497 | int i; |
2fa0b342 | 1498 | etree_value_type result; |
075d7359 | 1499 | |
0cacbcbe ILT |
1500 | for (i = 0; i < SECTION_NAME_MAP_LENGTH; i++) |
1501 | print_space (); | |
075d7359 | 1502 | |
0cacbcbe ILT |
1503 | result = exp_fold_tree (assignment->exp->assign.src, output_section, |
1504 | lang_final_phase_enum, print_dot, &print_dot); | |
075d7359 | 1505 | if (result.valid) |
0cacbcbe | 1506 | minfo ("0x%V", result.value + result.section->bfd_section->vma); |
075d7359 SC |
1507 | else |
1508 | { | |
0cacbcbe ILT |
1509 | minfo ("*undef* "); |
1510 | #ifdef BFD64 | |
1511 | minfo (" "); | |
1512 | #endif | |
075d7359 | 1513 | } |
0cacbcbe ILT |
1514 | |
1515 | minfo (" "); | |
1516 | ||
075d7359 SC |
1517 | exp_print_tree (assignment->exp); |
1518 | ||
0cacbcbe | 1519 | print_nl (); |
2fa0b342 DHW |
1520 | } |
1521 | ||
1522 | static void | |
8ddef552 DM |
1523 | print_input_statement (statm) |
1524 | lang_input_statement_type * statm; | |
2fa0b342 | 1525 | { |
075d7359 SC |
1526 | if (statm->filename != (char *) NULL) |
1527 | { | |
1528 | fprintf (config.map_file, "LOAD %s\n", statm->filename); | |
1529 | } | |
2fa0b342 DHW |
1530 | } |
1531 | ||
0cacbcbe ILT |
1532 | /* Print all symbols defined in a particular section. This is called |
1533 | via bfd_link_hash_traverse. */ | |
804c8601 SC |
1534 | |
1535 | static boolean | |
1536 | print_one_symbol (hash_entry, ptr) | |
0cacbcbe ILT |
1537 | struct bfd_link_hash_entry *hash_entry; |
1538 | PTR ptr; | |
2fa0b342 | 1539 | { |
0cacbcbe | 1540 | asection *sec = (asection *) ptr; |
804c8601 | 1541 | |
0cacbcbe ILT |
1542 | if ((hash_entry->type == bfd_link_hash_defined |
1543 | || hash_entry->type == bfd_link_hash_defweak) | |
1544 | && sec == hash_entry->u.def.section) | |
804c8601 | 1545 | { |
0cacbcbe ILT |
1546 | int i; |
1547 | ||
1548 | for (i = 0; i < SECTION_NAME_MAP_LENGTH; i++) | |
1549 | print_space (); | |
1550 | minfo ("0x%V ", | |
1551 | (hash_entry->u.def.value | |
1552 | + hash_entry->u.def.section->output_offset | |
1553 | + hash_entry->u.def.section->output_section->vma)); | |
1554 | ||
1555 | minfo (" %T\n", hash_entry->root.string); | |
804c8601 | 1556 | } |
09a5aa5e KR |
1557 | |
1558 | return true; | |
2fa0b342 | 1559 | } |
1418c83b | 1560 | |
0cacbcbe ILT |
1561 | /* Print information about an input section to the map file. */ |
1562 | ||
075d7359 | 1563 | static void |
8ddef552 DM |
1564 | print_input_section (in) |
1565 | lang_input_section_type * in; | |
2fa0b342 DHW |
1566 | { |
1567 | asection *i = in->section; | |
f078dc7c | 1568 | bfd_size_type size = i->_cooked_size != 0 ? i->_cooked_size : i->_raw_size; |
1418c83b | 1569 | |
075d7359 SC |
1570 | if (size != 0) |
1571 | { | |
0cacbcbe ILT |
1572 | print_space (); |
1573 | ||
1574 | minfo ("%s", i->name); | |
1575 | ||
1576 | if (i->output_section != NULL) | |
075d7359 | 1577 | { |
0cacbcbe | 1578 | int len; |
2fa0b342 | 1579 | |
0cacbcbe ILT |
1580 | len = 1 + strlen (i->name); |
1581 | if (len >= SECTION_NAME_MAP_LENGTH - 1) | |
1582 | { | |
1583 | print_nl (); | |
1584 | len = 0; | |
1585 | } | |
1586 | while (len < SECTION_NAME_MAP_LENGTH) | |
1587 | { | |
1588 | print_space (); | |
1589 | ++len; | |
1590 | } | |
2fa0b342 | 1591 | |
0cacbcbe ILT |
1592 | minfo ("0x%V %W %B\n", |
1593 | i->output_section->vma + i->output_offset, size, | |
1594 | i->owner); | |
2fa0b342 | 1595 | |
0cacbcbe ILT |
1596 | if (i->_cooked_size != 0 && i->_cooked_size != i->_raw_size) |
1597 | { | |
1598 | len = SECTION_NAME_MAP_LENGTH + 3; | |
1599 | #ifdef BFD64 | |
1600 | len += 16; | |
1601 | #else | |
1602 | len += 8; | |
1603 | #endif | |
1604 | while (len > 0) | |
075d7359 | 1605 | { |
0cacbcbe ILT |
1606 | print_space (); |
1607 | --len; | |
075d7359 | 1608 | } |
2fa0b342 | 1609 | |
0cacbcbe | 1610 | minfo ("%W (size before relaxing)\n", i->_raw_size); |
075d7359 SC |
1611 | } |
1612 | ||
0cacbcbe | 1613 | bfd_link_hash_traverse (link_info.hash, print_one_symbol, (PTR) i); |
075d7359 | 1614 | |
0cacbcbe | 1615 | print_dot = i->output_section->vma + i->output_offset + size; |
075d7359 SC |
1616 | } |
1617 | } | |
1618 | } | |
2fa0b342 DHW |
1619 | |
1620 | static void | |
8ddef552 DM |
1621 | print_fill_statement (fill) |
1622 | lang_fill_statement_type * fill; | |
075d7359 | 1623 | { |
0cacbcbe | 1624 | fprintf (config.map_file, " FILL mask 0x%x\n", fill->fill); |
075d7359 SC |
1625 | } |
1626 | ||
1627 | static void | |
8ddef552 DM |
1628 | print_data_statement (data) |
1629 | lang_data_statement_type * data; | |
2fa0b342 | 1630 | { |
0cacbcbe ILT |
1631 | int i; |
1632 | bfd_vma addr; | |
1633 | bfd_size_type size; | |
1634 | const char *name; | |
1635 | ||
1636 | for (i = 0; i < SECTION_NAME_MAP_LENGTH; i++) | |
1637 | print_space (); | |
1638 | ||
1639 | addr = data->output_vma; | |
1640 | if (data->output_section != NULL) | |
1641 | addr += data->output_section->vma; | |
2fa0b342 | 1642 | |
075d7359 SC |
1643 | switch (data->type) |
1644 | { | |
0cacbcbe ILT |
1645 | default: |
1646 | abort (); | |
075d7359 | 1647 | case BYTE: |
0cacbcbe ILT |
1648 | size = BYTE_SIZE; |
1649 | name = "BYTE"; | |
075d7359 SC |
1650 | break; |
1651 | case SHORT: | |
0cacbcbe ILT |
1652 | size = SHORT_SIZE; |
1653 | name = "SHORT"; | |
075d7359 SC |
1654 | break; |
1655 | case LONG: | |
0cacbcbe ILT |
1656 | size = LONG_SIZE; |
1657 | name = "LONG"; | |
075d7359 | 1658 | break; |
c477527c | 1659 | case QUAD: |
0cacbcbe ILT |
1660 | size = QUAD_SIZE; |
1661 | name = "QUAD"; | |
c477527c | 1662 | break; |
075d7359 SC |
1663 | } |
1664 | ||
0cacbcbe ILT |
1665 | minfo ("0x%V %W %s 0x%v", addr, size, name, data->value); |
1666 | ||
1667 | if (data->exp->type.node_class != etree_value) | |
1668 | { | |
1669 | print_space (); | |
1670 | exp_print_tree (data->exp); | |
1671 | } | |
1672 | ||
1673 | print_nl (); | |
1674 | ||
1675 | print_dot = addr + size; | |
1676 | } | |
1677 | ||
1678 | /* Print an address statement. These are generated by options like | |
1679 | -Ttext. */ | |
2fa0b342 | 1680 | |
0cacbcbe ILT |
1681 | static void |
1682 | print_address_statement (address) | |
1683 | lang_address_statement_type *address; | |
1684 | { | |
1685 | minfo ("Address of section %s set to ", address->section_name); | |
1686 | exp_print_tree (address->address); | |
1687 | print_nl (); | |
2fa0b342 DHW |
1688 | } |
1689 | ||
4fdbafb2 ILT |
1690 | /* Print a reloc statement. */ |
1691 | ||
1692 | static void | |
1693 | print_reloc_statement (reloc) | |
1694 | lang_reloc_statement_type *reloc; | |
1695 | { | |
0cacbcbe ILT |
1696 | int i; |
1697 | bfd_vma addr; | |
1698 | bfd_size_type size; | |
1699 | ||
1700 | for (i = 0; i < SECTION_NAME_MAP_LENGTH; i++) | |
1701 | print_space (); | |
4fdbafb2 | 1702 | |
0cacbcbe ILT |
1703 | addr = reloc->output_vma; |
1704 | if (reloc->output_section != NULL) | |
1705 | addr += reloc->output_section->vma; | |
4fdbafb2 | 1706 | |
0cacbcbe | 1707 | size = bfd_get_reloc_size (reloc->howto); |
4fdbafb2 | 1708 | |
0cacbcbe | 1709 | minfo ("0x%V %W RELOC %s ", addr, size, reloc->howto->name); |
4fdbafb2 | 1710 | |
0cacbcbe ILT |
1711 | if (reloc->name != NULL) |
1712 | minfo ("%s+", reloc->name); | |
1713 | else | |
1714 | minfo ("%s+", reloc->section->name); | |
4fdbafb2 ILT |
1715 | |
1716 | exp_print_tree (reloc->addend_exp); | |
1717 | ||
0cacbcbe ILT |
1718 | print_nl (); |
1719 | ||
1720 | print_dot = addr + size; | |
4fdbafb2 | 1721 | } |
2fa0b342 DHW |
1722 | |
1723 | static void | |
8ddef552 | 1724 | print_padding_statement (s) |
0cacbcbe | 1725 | lang_padding_statement_type *s; |
075d7359 | 1726 | { |
0cacbcbe ILT |
1727 | int len; |
1728 | bfd_vma addr; | |
1729 | ||
1730 | minfo (" *fill*"); | |
1731 | ||
1732 | len = sizeof " *fill*" - 1; | |
1733 | while (len < SECTION_NAME_MAP_LENGTH) | |
1734 | { | |
1735 | print_space (); | |
1736 | ++len; | |
1737 | } | |
1738 | ||
1739 | addr = s->output_offset; | |
1740 | if (s->output_section != NULL) | |
1741 | addr += s->output_section->vma; | |
1742 | minfo ("0x%V %W", addr, s->size); | |
1743 | ||
1744 | if (s->fill != 0) | |
86bc0974 | 1745 | minfo (" %u", s->fill); |
0cacbcbe | 1746 | |
075d7359 | 1747 | print_nl (); |
ffc50032 | 1748 | |
0cacbcbe | 1749 | print_dot = addr + s->size; |
2fa0b342 DHW |
1750 | } |
1751 | ||
075d7359 | 1752 | static void |
8ddef552 DM |
1753 | print_wild_statement (w, os) |
1754 | lang_wild_statement_type * w; | |
1755 | lang_output_section_statement_type * os; | |
2fa0b342 | 1756 | { |
0cacbcbe ILT |
1757 | print_space (); |
1758 | ||
1759 | if (w->filename != NULL) | |
1760 | minfo ("%s", w->filename); | |
075d7359 | 1761 | else |
0cacbcbe ILT |
1762 | minfo ("*"); |
1763 | ||
1764 | if (w->section_name != NULL) | |
1765 | minfo ("(%s)", w->section_name); | |
075d7359 | 1766 | else |
0cacbcbe ILT |
1767 | minfo ("(*)"); |
1768 | ||
075d7359 | 1769 | print_nl (); |
2fa0b342 | 1770 | |
0cacbcbe | 1771 | print_statement_list (w->children.head, os); |
2fa0b342 | 1772 | } |
309c8153 ILT |
1773 | |
1774 | /* Print a group statement. */ | |
1775 | ||
1776 | static void | |
1777 | print_group (s, os) | |
1778 | lang_group_statement_type *s; | |
1779 | lang_output_section_statement_type *os; | |
1780 | { | |
1781 | fprintf (config.map_file, "START GROUP\n"); | |
708f7fbc | 1782 | print_statement_list (s->children.head, os); |
309c8153 ILT |
1783 | fprintf (config.map_file, "END GROUP\n"); |
1784 | } | |
1785 | ||
708f7fbc ILT |
1786 | /* Print the list of statements in S. |
1787 | This can be called for any statement type. */ | |
1788 | ||
2fa0b342 | 1789 | static void |
708f7fbc | 1790 | print_statement_list (s, os) |
0cacbcbe ILT |
1791 | lang_statement_union_type *s; |
1792 | lang_output_section_statement_type *os; | |
2fa0b342 | 1793 | { |
0cacbcbe | 1794 | while (s != NULL) |
c611e285 | 1795 | { |
708f7fbc | 1796 | print_statement (s, os); |
075d7359 | 1797 | s = s->next; |
2fa0b342 | 1798 | } |
2fa0b342 DHW |
1799 | } |
1800 | ||
708f7fbc ILT |
1801 | /* Print the first statement in statement list S. |
1802 | This can be called for any statement type. */ | |
1803 | ||
1804 | static void | |
1805 | print_statement (s, os) | |
0cacbcbe ILT |
1806 | lang_statement_union_type *s; |
1807 | lang_output_section_statement_type *os; | |
708f7fbc ILT |
1808 | { |
1809 | switch (s->header.type) | |
1810 | { | |
0cacbcbe ILT |
1811 | default: |
1812 | fprintf (config.map_file, "Fail with %d\n", s->header.type); | |
1813 | FAIL (); | |
1814 | break; | |
708f7fbc | 1815 | case lang_constructors_statement_enum: |
0cacbcbe ILT |
1816 | if (constructor_list.head != NULL) |
1817 | { | |
1818 | minfo (" CONSTRUCTORS\n"); | |
1819 | print_statement_list (constructor_list.head, os); | |
1820 | } | |
708f7fbc ILT |
1821 | break; |
1822 | case lang_wild_statement_enum: | |
1823 | print_wild_statement (&s->wild_statement, os); | |
1824 | break; | |
708f7fbc | 1825 | case lang_address_statement_enum: |
0cacbcbe | 1826 | print_address_statement (&s->address_statement); |
708f7fbc ILT |
1827 | break; |
1828 | case lang_object_symbols_statement_enum: | |
0cacbcbe | 1829 | minfo (" CREATE_OBJECT_SYMBOLS\n"); |
708f7fbc ILT |
1830 | break; |
1831 | case lang_fill_statement_enum: | |
1832 | print_fill_statement (&s->fill_statement); | |
1833 | break; | |
1834 | case lang_data_statement_enum: | |
1835 | print_data_statement (&s->data_statement); | |
1836 | break; | |
1837 | case lang_reloc_statement_enum: | |
1838 | print_reloc_statement (&s->reloc_statement); | |
1839 | break; | |
1840 | case lang_input_section_enum: | |
1841 | print_input_section (&s->input_section); | |
1842 | break; | |
1843 | case lang_padding_statement_enum: | |
1844 | print_padding_statement (&s->padding_statement); | |
1845 | break; | |
1846 | case lang_output_section_statement_enum: | |
1847 | print_output_section_statement (&s->output_section_statement); | |
1848 | break; | |
1849 | case lang_assignment_statement_enum: | |
0cacbcbe | 1850 | print_assignment (&s->assignment_statement, os); |
708f7fbc ILT |
1851 | break; |
1852 | case lang_target_statement_enum: | |
1853 | fprintf (config.map_file, "TARGET(%s)\n", s->target_statement.target); | |
1854 | break; | |
1855 | case lang_output_statement_enum: | |
0cacbcbe ILT |
1856 | minfo ("OUTPUT(%s", s->output_statement.name); |
1857 | if (output_target != NULL) | |
1858 | minfo (" %s", output_target); | |
1859 | minfo (")\n"); | |
708f7fbc ILT |
1860 | break; |
1861 | case lang_input_statement_enum: | |
1862 | print_input_statement (&s->input_statement); | |
1863 | break; | |
1864 | case lang_group_statement_enum: | |
1865 | print_group (&s->group_statement, os); | |
1866 | break; | |
1867 | case lang_afile_asection_pair_statement_enum: | |
1868 | FAIL (); | |
1869 | break; | |
1870 | } | |
1871 | } | |
1872 | ||
2fa0b342 | 1873 | static void |
8ddef552 | 1874 | print_statements () |
2fa0b342 | 1875 | { |
0cacbcbe | 1876 | print_statement_list (statement_list.head, abs_output_section); |
2fa0b342 DHW |
1877 | } |
1878 | ||
708f7fbc ILT |
1879 | /* Print the first N statements in statement list S to STDERR. |
1880 | If N == 0, nothing is printed. | |
1881 | If N < 0, the entire list is printed. | |
1882 | Intended to be called from GDB. */ | |
1883 | ||
1884 | void | |
1885 | dprint_statement (s, n) | |
1886 | lang_statement_union_type * s; | |
1887 | int n; | |
1888 | { | |
1889 | FILE *map_save = config.map_file; | |
1890 | ||
1891 | config.map_file = stderr; | |
1892 | ||
1893 | if (n < 0) | |
1894 | print_statement_list (s, abs_output_section); | |
1895 | else | |
1896 | { | |
86bc0974 | 1897 | while (s && --n >= 0) |
708f7fbc ILT |
1898 | { |
1899 | print_statement (s, abs_output_section); | |
1900 | s = s->next; | |
1901 | } | |
1902 | } | |
1903 | ||
1904 | config.map_file = map_save; | |
1905 | } | |
1906 | ||
2fa0b342 | 1907 | static bfd_vma |
9f629407 ILT |
1908 | insert_pad (this_ptr, fill, power, output_section_statement, dot) |
1909 | lang_statement_union_type ** this_ptr; | |
1910 | fill_type fill; | |
1911 | unsigned int power; | |
1912 | asection * output_section_statement; | |
1913 | bfd_vma dot; | |
075d7359 SC |
1914 | { |
1915 | /* Align this section first to the | |
2fa0b342 DHW |
1916 | input sections requirement, then |
1917 | to the output section's requirement. | |
075d7359 | 1918 | If this alignment is > than any seen before, |
2fa0b342 DHW |
1919 | then record it too. Perform the alignment by |
1920 | inserting a magic 'padding' statement. | |
1921 | */ | |
1922 | ||
075d7359 | 1923 | unsigned int alignment_needed = align_power (dot, power) - dot; |
2fa0b342 | 1924 | |
075d7359 | 1925 | if (alignment_needed != 0) |
2fa0b342 | 1926 | { |
075d7359 | 1927 | lang_statement_union_type *new = |
1d169acc ILT |
1928 | ((lang_statement_union_type *) |
1929 | stat_alloc (sizeof (lang_padding_statement_type))); | |
075d7359 | 1930 | |
2fa0b342 DHW |
1931 | /* Link into existing chain */ |
1932 | new->header.next = *this_ptr; | |
1933 | *this_ptr = new; | |
1934 | new->header.type = lang_padding_statement_enum; | |
1935 | new->padding_statement.output_section = output_section_statement; | |
1936 | new->padding_statement.output_offset = | |
1937 | dot - output_section_statement->vma; | |
1938 | new->padding_statement.fill = fill; | |
1939 | new->padding_statement.size = alignment_needed; | |
1940 | } | |
1941 | ||
1942 | ||
1943 | /* Remember the most restrictive alignment */ | |
075d7359 SC |
1944 | if (power > output_section_statement->alignment_power) |
1945 | { | |
1946 | output_section_statement->alignment_power = power; | |
1947 | } | |
c611e285 | 1948 | output_section_statement->_raw_size += alignment_needed; |
2fa0b342 DHW |
1949 | return alignment_needed + dot; |
1950 | ||
1951 | } | |
1952 | ||
1418c83b | 1953 | /* Work out how much this section will move the dot point */ |
075d7359 | 1954 | static bfd_vma |
9f629407 ILT |
1955 | size_input_section (this_ptr, output_section_statement, fill, dot, relax) |
1956 | lang_statement_union_type ** this_ptr; | |
1957 | lang_output_section_statement_type * output_section_statement; | |
c477527c | 1958 | fill_type fill; |
9f629407 ILT |
1959 | bfd_vma dot; |
1960 | boolean relax; | |
2fa0b342 DHW |
1961 | { |
1962 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1963 | asection *i = is->section; | |
2fa0b342 | 1964 | |
075d7359 SC |
1965 | if (is->ifile->just_syms_flag == false) |
1966 | { | |
e20873a7 JG |
1967 | if (output_section_statement->subsection_alignment != -1) |
1968 | i->alignment_power = | |
1969 | output_section_statement->subsection_alignment; | |
1970 | ||
075d7359 SC |
1971 | dot = insert_pad (this_ptr, fill, i->alignment_power, |
1972 | output_section_statement->bfd_section, dot); | |
1973 | ||
075d7359 | 1974 | /* Remember where in the output section this input section goes */ |
ac004870 | 1975 | |
075d7359 SC |
1976 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1977 | ||
ae475b39 SC |
1978 | /* Mark how big the output section must be to contain this now |
1979 | */ | |
f078dc7c ILT |
1980 | if (i->_cooked_size != 0) |
1981 | dot += i->_cooked_size; | |
ae475b39 | 1982 | else |
f078dc7c | 1983 | dot += i->_raw_size; |
ae475b39 | 1984 | output_section_statement->bfd_section->_raw_size = dot - output_section_statement->bfd_section->vma; |
075d7359 | 1985 | } |
ac004870 | 1986 | else |
075d7359 SC |
1987 | { |
1988 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1989 | } | |
2fa0b342 | 1990 | |
075d7359 | 1991 | return dot; |
2fa0b342 DHW |
1992 | } |
1993 | ||
193c5f93 ILT |
1994 | /* This variable indicates whether bfd_relax_section should be called |
1995 | again. */ | |
1996 | ||
1997 | static boolean relax_again; | |
1998 | ||
1999 | /* Set the sizes for all the output sections. */ | |
c611e285 | 2000 | |
a62494c4 | 2001 | bfd_vma |
9f629407 ILT |
2002 | lang_size_sections (s, output_section_statement, prev, fill, dot, relax) |
2003 | lang_statement_union_type * s; | |
2004 | lang_output_section_statement_type * output_section_statement; | |
2005 | lang_statement_union_type ** prev; | |
c477527c | 2006 | fill_type fill; |
9f629407 ILT |
2007 | bfd_vma dot; |
2008 | boolean relax; | |
c611e285 SC |
2009 | { |
2010 | /* Size up the sections from their constituent parts */ | |
075d7359 | 2011 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
ae475b39 SC |
2012 | { |
2013 | switch (s->header.type) | |
075d7359 | 2014 | { |
c611e285 | 2015 | |
ae475b39 SC |
2016 | case lang_output_section_statement_enum: |
2017 | { | |
2018 | bfd_vma after; | |
2019 | lang_output_section_statement_type *os = &s->output_section_statement; | |
2020 | ||
f9d3d71a ILT |
2021 | if (os->bfd_section == NULL) |
2022 | { | |
2023 | /* This section was never actually created. */ | |
2024 | break; | |
2025 | } | |
2026 | ||
27f7237e ILT |
2027 | /* If this is a COFF shared library section, use the size and |
2028 | address from the input section. FIXME: This is COFF | |
2029 | specific; it would be cleaner if there were some other way | |
2030 | to do this, but nothing simple comes to mind. */ | |
2031 | if ((os->bfd_section->flags & SEC_COFF_SHARED_LIBRARY) != 0) | |
2032 | { | |
2033 | asection *input; | |
2034 | ||
2035 | if (os->children.head == NULL | |
2036 | || os->children.head->next != NULL | |
2037 | || os->children.head->header.type != lang_input_section_enum) | |
2038 | einfo ("%P%X: Internal error on COFF shared library section %s", | |
2039 | os->name); | |
2040 | ||
2041 | input = os->children.head->input_section.section; | |
2042 | bfd_set_section_vma (os->bfd_section->owner, | |
2043 | os->bfd_section, | |
2044 | bfd_section_vma (input->owner, input)); | |
2045 | os->bfd_section->_raw_size = input->_raw_size; | |
2046 | break; | |
2047 | } | |
e9b63852 | 2048 | |
686739e2 | 2049 | if (bfd_is_abs_section (os->bfd_section)) |
ae475b39 SC |
2050 | { |
2051 | /* No matter what happens, an abs section starts at zero */ | |
686739e2 | 2052 | ASSERT (os->bfd_section->vma == 0); |
ae475b39 SC |
2053 | } |
2054 | else | |
2055 | { | |
2056 | if (os->addr_tree == (etree_type *) NULL) | |
2057 | { | |
2058 | /* No address specified for this section, get one | |
2059 | from the region specification | |
2060 | */ | |
2061 | if (os->region == (lang_memory_region_type *) NULL) | |
2062 | { | |
2063 | os->region = lang_memory_region_lookup ("*default*"); | |
2064 | } | |
2065 | dot = os->region->current; | |
feaa9c4b ILT |
2066 | if (os->section_alignment == -1) |
2067 | dot = align_power (dot, os->bfd_section->alignment_power); | |
ae475b39 SC |
2068 | } |
2069 | else | |
2070 | { | |
2071 | etree_value_type r; | |
2072 | ||
2073 | r = exp_fold_tree (os->addr_tree, | |
2074 | abs_output_section, | |
2075 | lang_allocating_phase_enum, | |
2076 | dot, &dot); | |
2077 | if (r.valid == false) | |
2078 | { | |
2079 | einfo ("%F%S: non constant address expression for section %s\n", | |
2080 | os->name); | |
2081 | } | |
72df7117 | 2082 | dot = r.value + r.section->bfd_section->vma; |
ae475b39 SC |
2083 | } |
2084 | /* The section starts here */ | |
2085 | /* First, align to what the section needs */ | |
2086 | ||
a62494c4 JL |
2087 | if (os->section_alignment != -1) |
2088 | dot = align_power (dot, os->section_alignment); | |
ae475b39 | 2089 | |
ae475b39 | 2090 | bfd_set_section_vma (0, os->bfd_section, dot); |
9fce28ed | 2091 | |
686739e2 ILT |
2092 | os->bfd_section->output_offset = 0; |
2093 | } | |
ae475b39 SC |
2094 | |
2095 | (void) lang_size_sections (os->children.head, os, &os->children.head, | |
2096 | os->fill, dot, relax); | |
2097 | /* Ignore the size of the input sections, use the vma and size to */ | |
2098 | /* align against */ | |
2099 | ||
8ddef552 | 2100 | after = ALIGN_N (os->bfd_section->vma + |
97fbbaca JL |
2101 | os->bfd_section->_raw_size, |
2102 | /* The coercion here is important, see ld.h. */ | |
2103 | (bfd_vma) os->block_value); | |
ae475b39 | 2104 | |
686739e2 ILT |
2105 | if (bfd_is_abs_section (os->bfd_section)) |
2106 | ASSERT (after == os->bfd_section->vma); | |
2107 | else | |
2108 | os->bfd_section->_raw_size = after - os->bfd_section->vma; | |
ae475b39 SC |
2109 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; |
2110 | os->processed = true; | |
2111 | ||
2112 | /* Replace into region ? */ | |
686739e2 | 2113 | if (os->region != (lang_memory_region_type *) NULL) |
e802f0be DE |
2114 | { |
2115 | os->region->current = dot; | |
2116 | /* Make sure this isn't silly. */ | |
09328690 ILT |
2117 | if (os->region->current < os->region->origin |
2118 | || (os->region->current - os->region->origin | |
2119 | > os->region->length)) | |
e802f0be DE |
2120 | { |
2121 | if (os->addr_tree != (etree_type *) NULL) | |
2122 | { | |
2123 | einfo ("%X%P: address 0x%v of %B section %s is not within region %s\n", | |
2124 | os->region->current, | |
2125 | os->bfd_section->owner, | |
2126 | os->bfd_section->name, | |
2127 | os->region->name); | |
2128 | } | |
2129 | else | |
2130 | { | |
2131 | einfo ("%X%P: region %s is full (%B section %s)\n", | |
2132 | os->region->name, | |
2133 | os->bfd_section->owner, | |
2134 | os->bfd_section->name); | |
2135 | } | |
2136 | /* Reset the region pointer. */ | |
2137 | os->region->current = os->region->origin; | |
2138 | } | |
2139 | } | |
ae475b39 | 2140 | } |
e802f0be | 2141 | break; |
9d1fe8a4 | 2142 | |
ae475b39 SC |
2143 | case lang_constructors_statement_enum: |
2144 | dot = lang_size_sections (constructor_list.head, | |
2145 | output_section_statement, | |
2146 | &s->wild_statement.children.head, | |
2147 | fill, | |
2148 | dot, relax); | |
2149 | break; | |
9d1fe8a4 | 2150 | |
ae475b39 SC |
2151 | case lang_data_statement_enum: |
2152 | { | |
2153 | unsigned int size = 0; | |
2154 | ||
2155 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; | |
2156 | s->data_statement.output_section = | |
2157 | output_section_statement->bfd_section; | |
2158 | ||
2159 | switch (s->data_statement.type) | |
2160 | { | |
c477527c ILT |
2161 | case QUAD: |
2162 | size = QUAD_SIZE; | |
2163 | break; | |
ae475b39 SC |
2164 | case LONG: |
2165 | size = LONG_SIZE; | |
2166 | break; | |
2167 | case SHORT: | |
2168 | size = SHORT_SIZE; | |
2169 | break; | |
2170 | case BYTE: | |
2171 | size = BYTE_SIZE; | |
2172 | break; | |
2173 | ||
2174 | } | |
2175 | dot += size; | |
2176 | output_section_statement->bfd_section->_raw_size += size; | |
36ea6198 ILT |
2177 | /* The output section gets contents, and then we inspect for |
2178 | any flags set in the input script which override any ALLOC */ | |
943fbd5b | 2179 | output_section_statement->bfd_section->flags |= SEC_HAS_CONTENTS; |
36ea6198 ILT |
2180 | if (!(output_section_statement->flags & SEC_NEVER_LOAD)) { |
2181 | output_section_statement->bfd_section->flags |= SEC_ALLOC | SEC_LOAD; | |
2182 | } | |
ae475b39 SC |
2183 | } |
2184 | break; | |
c611e285 | 2185 | |
4fdbafb2 ILT |
2186 | case lang_reloc_statement_enum: |
2187 | { | |
2188 | int size; | |
2189 | ||
2190 | s->reloc_statement.output_vma = | |
2191 | dot - output_section_statement->bfd_section->vma; | |
2192 | s->reloc_statement.output_section = | |
2193 | output_section_statement->bfd_section; | |
2194 | size = bfd_get_reloc_size (s->reloc_statement.howto); | |
2195 | dot += size; | |
2196 | output_section_statement->bfd_section->_raw_size += size; | |
2197 | } | |
2198 | break; | |
2199 | ||
ae475b39 | 2200 | case lang_wild_statement_enum: |
c611e285 | 2201 | |
ae475b39 SC |
2202 | dot = lang_size_sections (s->wild_statement.children.head, |
2203 | output_section_statement, | |
2204 | &s->wild_statement.children.head, | |
c611e285 | 2205 | |
ae475b39 | 2206 | fill, dot, relax); |
c611e285 | 2207 | |
ae475b39 | 2208 | break; |
c611e285 | 2209 | |
ae475b39 | 2210 | case lang_object_symbols_statement_enum: |
c477527c ILT |
2211 | link_info.create_object_symbols_section = |
2212 | output_section_statement->bfd_section; | |
ae475b39 SC |
2213 | break; |
2214 | case lang_output_statement_enum: | |
2215 | case lang_target_statement_enum: | |
2216 | break; | |
2217 | case lang_input_section_enum: | |
ae475b39 | 2218 | { |
c477527c ILT |
2219 | asection *i; |
2220 | ||
193c5f93 ILT |
2221 | i = (*prev)->input_section.section; |
2222 | if (! relax) | |
6799c638 ILT |
2223 | { |
2224 | if (i->_cooked_size == 0) | |
2225 | i->_cooked_size = i->_raw_size; | |
2226 | } | |
193c5f93 | 2227 | else |
755f42fe | 2228 | { |
193c5f93 | 2229 | boolean again; |
075d7359 | 2230 | |
193c5f93 ILT |
2231 | if (! bfd_relax_section (i->owner, i, &link_info, &again)) |
2232 | einfo ("%P%F: can't relax section: %E\n"); | |
2233 | if (again) | |
2234 | relax_again = true; | |
2235 | } | |
2236 | dot = size_input_section (prev, | |
2237 | output_section_statement, | |
2238 | output_section_statement->fill, | |
2239 | dot, relax); | |
ae475b39 | 2240 | } |
ae475b39 SC |
2241 | break; |
2242 | case lang_input_statement_enum: | |
2243 | break; | |
2244 | case lang_fill_statement_enum: | |
2245 | s->fill_statement.output_section = output_section_statement->bfd_section; | |
075d7359 | 2246 | |
ae475b39 SC |
2247 | fill = s->fill_statement.fill; |
2248 | break; | |
2249 | case lang_assignment_statement_enum: | |
2250 | { | |
2251 | bfd_vma newdot = dot; | |
2252 | ||
2253 | exp_fold_tree (s->assignment_statement.exp, | |
2254 | output_section_statement, | |
2255 | lang_allocating_phase_enum, | |
2256 | dot, | |
2257 | &newdot); | |
2258 | ||
2259 | if (newdot != dot && !relax) | |
27f7237e ILT |
2260 | { |
2261 | /* The assignment changed dot. Insert a pad. */ | |
2262 | if (output_section_statement == abs_output_section) | |
2263 | { | |
2264 | /* If we don't have an output section, then just adjust | |
2265 | the default memory address. */ | |
2266 | lang_memory_region_lookup ("*default*")->current = newdot; | |
2267 | } | |
2268 | else | |
2269 | { | |
2270 | lang_statement_union_type *new = | |
2271 | ((lang_statement_union_type *) | |
2272 | stat_alloc (sizeof (lang_padding_statement_type))); | |
2273 | ||
2274 | /* Link into existing chain */ | |
2275 | new->header.next = *prev; | |
2276 | *prev = new; | |
2277 | new->header.type = lang_padding_statement_enum; | |
2278 | new->padding_statement.output_section = | |
2279 | output_section_statement->bfd_section; | |
2280 | new->padding_statement.output_offset = | |
2281 | dot - output_section_statement->bfd_section->vma; | |
2282 | new->padding_statement.fill = fill; | |
2283 | new->padding_statement.size = newdot - dot; | |
2284 | output_section_statement->bfd_section->_raw_size += | |
2285 | new->padding_statement.size; | |
2286 | } | |
2287 | ||
2288 | dot = newdot; | |
2289 | } | |
ae475b39 | 2290 | } |
27f7237e | 2291 | break; |
9d87af56 ILT |
2292 | |
2293 | case lang_padding_statement_enum: | |
2294 | /* If we are relaxing, and this is not the first pass, some | |
2295 | padding statements may have been inserted during previous | |
2296 | passes. We may have to move the padding statement to a new | |
2297 | location if dot has a different value at this point in this | |
2298 | pass than it did at this point in the previous pass. */ | |
2299 | s->padding_statement.output_offset = | |
2300 | dot - output_section_statement->bfd_section->vma; | |
2301 | dot += s->padding_statement.size; | |
708f7fbc ILT |
2302 | output_section_statement->bfd_section->_raw_size += |
2303 | s->padding_statement.size; | |
9d87af56 ILT |
2304 | break; |
2305 | ||
309c8153 ILT |
2306 | case lang_group_statement_enum: |
2307 | dot = lang_size_sections (s->group_statement.children.head, | |
2308 | output_section_statement, | |
2309 | &s->group_statement.children.head, | |
2310 | fill, dot, relax); | |
2311 | break; | |
2312 | ||
ae475b39 SC |
2313 | default: |
2314 | FAIL (); | |
2315 | break; | |
9d87af56 | 2316 | |
ae475b39 | 2317 | /* This can only get here when relaxing is turned on */ |
075d7359 | 2318 | |
ae475b39 SC |
2319 | case lang_address_statement_enum: |
2320 | break; | |
075d7359 | 2321 | } |
ae475b39 SC |
2322 | prev = &s->header.next; |
2323 | } | |
c611e285 SC |
2324 | return dot; |
2325 | } | |
9d1fe8a4 | 2326 | |
309c8153 | 2327 | bfd_vma |
9f629407 ILT |
2328 | lang_do_assignments (s, output_section_statement, fill, dot) |
2329 | lang_statement_union_type * s; | |
2330 | lang_output_section_statement_type * output_section_statement; | |
c477527c | 2331 | fill_type fill; |
9f629407 | 2332 | bfd_vma dot; |
2fa0b342 | 2333 | { |
075d7359 | 2334 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 2335 | { |
075d7359 | 2336 | switch (s->header.type) |
2fa0b342 | 2337 | { |
075d7359 SC |
2338 | case lang_constructors_statement_enum: |
2339 | dot = lang_do_assignments (constructor_list.head, | |
2340 | output_section_statement, | |
2341 | fill, | |
2342 | dot); | |
2343 | break; | |
2344 | ||
2345 | case lang_output_section_statement_enum: | |
2346 | { | |
2347 | lang_output_section_statement_type *os = | |
269773c1 | 2348 | &(s->output_section_statement); |
2fa0b342 | 2349 | |
269773c1 ILT |
2350 | if (os->bfd_section != NULL) |
2351 | { | |
2352 | dot = os->bfd_section->vma; | |
2353 | (void) lang_do_assignments (os->children.head, os, | |
2354 | os->fill, dot); | |
2355 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
2356 | } | |
0b3499f6 ILT |
2357 | if (os->load_base) |
2358 | { | |
467a0380 SC |
2359 | /* If nothing has been placed into the output section then |
2360 | it won't have a bfd_section. */ | |
2361 | if (os->bfd_section) | |
2362 | { | |
2363 | os->bfd_section->lma | |
2364 | = exp_get_abs_int(os->load_base, 0,"load base", lang_final_phase_enum); | |
2365 | } | |
0b3499f6 | 2366 | } |
075d7359 SC |
2367 | } |
2368 | break; | |
2369 | case lang_wild_statement_enum: | |
2fa0b342 | 2370 | |
075d7359 SC |
2371 | dot = lang_do_assignments (s->wild_statement.children.head, |
2372 | output_section_statement, | |
2373 | fill, dot); | |
2fa0b342 | 2374 | |
075d7359 SC |
2375 | break; |
2376 | ||
2377 | case lang_object_symbols_statement_enum: | |
2378 | case lang_output_statement_enum: | |
2379 | case lang_target_statement_enum: | |
1418c83b | 2380 | #if 0 |
075d7359 | 2381 | case lang_common_statement_enum: |
1418c83b | 2382 | #endif |
2fa0b342 | 2383 | break; |
075d7359 SC |
2384 | case lang_data_statement_enum: |
2385 | { | |
2386 | etree_value_type value; | |
2387 | ||
2388 | value = exp_fold_tree (s->data_statement.exp, | |
2389 | abs_output_section, | |
2390 | lang_final_phase_enum, dot, &dot); | |
2391 | s->data_statement.value = value.value; | |
2392 | if (value.valid == false) | |
ddddcdf0 | 2393 | einfo ("%F%P: invalid data statement\n"); |
075d7359 SC |
2394 | } |
2395 | switch (s->data_statement.type) | |
2396 | { | |
c477527c ILT |
2397 | case QUAD: |
2398 | dot += QUAD_SIZE; | |
2399 | break; | |
075d7359 SC |
2400 | case LONG: |
2401 | dot += LONG_SIZE; | |
2402 | break; | |
2403 | case SHORT: | |
2404 | dot += SHORT_SIZE; | |
2405 | break; | |
2406 | case BYTE: | |
2407 | dot += BYTE_SIZE; | |
2408 | break; | |
2409 | } | |
2fa0b342 | 2410 | break; |
4fdbafb2 ILT |
2411 | |
2412 | case lang_reloc_statement_enum: | |
2413 | { | |
2414 | etree_value_type value; | |
2415 | ||
2416 | value = exp_fold_tree (s->reloc_statement.addend_exp, | |
2417 | abs_output_section, | |
2418 | lang_final_phase_enum, dot, &dot); | |
2419 | s->reloc_statement.addend_value = value.value; | |
2420 | if (value.valid == false) | |
2421 | einfo ("%F%P: invalid reloc statement\n"); | |
2422 | } | |
2423 | dot += bfd_get_reloc_size (s->reloc_statement.howto); | |
2424 | break; | |
2425 | ||
075d7359 SC |
2426 | case lang_input_section_enum: |
2427 | { | |
2428 | asection *in = s->input_section.section; | |
2429 | ||
f078dc7c ILT |
2430 | if (in->_cooked_size != 0) |
2431 | dot += in->_cooked_size; | |
2432 | else | |
2433 | dot += in->_raw_size; | |
075d7359 | 2434 | } |
2fa0b342 | 2435 | break; |
2fa0b342 | 2436 | |
075d7359 SC |
2437 | case lang_input_statement_enum: |
2438 | break; | |
2439 | case lang_fill_statement_enum: | |
2440 | fill = s->fill_statement.fill; | |
2441 | break; | |
2442 | case lang_assignment_statement_enum: | |
2443 | { | |
2444 | exp_fold_tree (s->assignment_statement.exp, | |
2445 | output_section_statement, | |
2446 | lang_final_phase_enum, | |
2447 | dot, | |
2448 | &dot); | |
2449 | } | |
2450 | ||
2451 | break; | |
2452 | case lang_padding_statement_enum: | |
2453 | dot += s->padding_statement.size; | |
2454 | break; | |
309c8153 ILT |
2455 | |
2456 | case lang_group_statement_enum: | |
2457 | dot = lang_do_assignments (s->group_statement.children.head, | |
2458 | output_section_statement, | |
2459 | fill, dot); | |
2460 | ||
2461 | break; | |
2462 | ||
075d7359 SC |
2463 | default: |
2464 | FAIL (); | |
2465 | break; | |
2466 | case lang_address_statement_enum: | |
2467 | break; | |
2468 | } | |
2fa0b342 DHW |
2469 | |
2470 | } | |
2471 | return dot; | |
2472 | } | |
2473 | ||
1d169acc ILT |
2474 | /* Fix any .startof. or .sizeof. symbols. When the assemblers see the |
2475 | operator .startof. (section_name), it produces an undefined symbol | |
2476 | .startof.section_name. Similarly, when it sees | |
2477 | .sizeof. (section_name), it produces an undefined symbol | |
2478 | .sizeof.section_name. For all the output sections, we look for | |
2479 | such symbols, and set them to the correct value. */ | |
2480 | ||
2481 | static void | |
2482 | lang_set_startof () | |
2483 | { | |
2484 | asection *s; | |
2485 | ||
307585f1 ILT |
2486 | if (link_info.relocateable) |
2487 | return; | |
2488 | ||
1d169acc ILT |
2489 | for (s = output_bfd->sections; s != NULL; s = s->next) |
2490 | { | |
2491 | const char *secname; | |
2492 | char *buf; | |
2493 | struct bfd_link_hash_entry *h; | |
2494 | ||
2495 | secname = bfd_get_section_name (output_bfd, s); | |
2496 | buf = xmalloc (10 + strlen (secname)); | |
2497 | ||
2498 | sprintf (buf, ".startof.%s", secname); | |
2499 | h = bfd_link_hash_lookup (link_info.hash, buf, false, false, true); | |
2500 | if (h != NULL && h->type == bfd_link_hash_undefined) | |
2501 | { | |
2502 | h->type = bfd_link_hash_defined; | |
2503 | h->u.def.value = bfd_get_section_vma (output_bfd, s); | |
2504 | h->u.def.section = bfd_abs_section_ptr; | |
2505 | } | |
2506 | ||
2507 | sprintf (buf, ".sizeof.%s", secname); | |
2508 | h = bfd_link_hash_lookup (link_info.hash, buf, false, false, true); | |
2509 | if (h != NULL && h->type == bfd_link_hash_undefined) | |
2510 | { | |
2511 | h->type = bfd_link_hash_defined; | |
2512 | if (s->_cooked_size != 0) | |
2513 | h->u.def.value = s->_cooked_size; | |
2514 | else | |
2515 | h->u.def.value = s->_raw_size; | |
2516 | h->u.def.section = bfd_abs_section_ptr; | |
2517 | } | |
2518 | ||
2519 | free (buf); | |
2520 | } | |
2521 | } | |
2522 | ||
2fa0b342 | 2523 | static void |
8ddef552 | 2524 | lang_finish () |
2fa0b342 | 2525 | { |
c477527c | 2526 | struct bfd_link_hash_entry *h; |
cc38364d KR |
2527 | boolean warn; |
2528 | ||
2529 | if (link_info.relocateable || link_info.shared) | |
2530 | warn = false; | |
2531 | else | |
2532 | warn = true; | |
075d7359 | 2533 | |
c477527c ILT |
2534 | if (entry_symbol == (char *) NULL) |
2535 | { | |
2536 | /* No entry has been specified. Look for start, but don't warn | |
2537 | if we don't find it. */ | |
2538 | entry_symbol = "start"; | |
2539 | warn = false; | |
2540 | } | |
2fa0b342 | 2541 | |
c477527c ILT |
2542 | h = bfd_link_hash_lookup (link_info.hash, entry_symbol, false, false, true); |
2543 | if (h != (struct bfd_link_hash_entry *) NULL | |
8ed88239 | 2544 | && (h->type == bfd_link_hash_defined |
061e65f8 ILT |
2545 | || h->type == bfd_link_hash_defweak) |
2546 | && h->u.def.section->output_section != NULL) | |
075d7359 | 2547 | { |
c477527c | 2548 | bfd_vma val; |
075d7359 | 2549 | |
c477527c ILT |
2550 | val = (h->u.def.value |
2551 | + bfd_get_section_vma (output_bfd, | |
2552 | h->u.def.section->output_section) | |
2553 | + h->u.def.section->output_offset); | |
2554 | if (! bfd_set_start_address (output_bfd, val)) | |
2555 | einfo ("%P%F:%s: can't set start address\n", entry_symbol); | |
075d7359 | 2556 | } |
c477527c | 2557 | else |
22a78f0d | 2558 | { |
c477527c ILT |
2559 | asection *ts; |
2560 | ||
2561 | /* Can't find the entry symbol. Use the first address in the | |
2562 | text section. */ | |
2563 | ts = bfd_get_section_by_name (output_bfd, ".text"); | |
2564 | if (ts != (asection *) NULL) | |
2565 | { | |
2566 | if (warn) | |
2567 | einfo ("%P: warning: cannot find entry symbol %s; defaulting to %V\n", | |
2568 | entry_symbol, bfd_get_section_vma (output_bfd, ts)); | |
2569 | if (! bfd_set_start_address (output_bfd, | |
2570 | bfd_get_section_vma (output_bfd, ts))) | |
2571 | einfo ("%P%F: can't set start address\n"); | |
2572 | } | |
2573 | else | |
2574 | { | |
2575 | if (warn) | |
2576 | einfo ("%P: warning: cannot find entry symbol %s; not setting start address\n", | |
2577 | entry_symbol); | |
2578 | } | |
22a78f0d | 2579 | } |
2fa0b342 DHW |
2580 | } |
2581 | ||
0b3499f6 | 2582 | /* Check that the architecture of all the input files is compatible |
f400bbbb ILT |
2583 | with the output file. Also call the backend to let it do any |
2584 | other checking that is needed. */ | |
0b3499f6 | 2585 | |
2fa0b342 | 2586 | static void |
8ddef552 | 2587 | lang_check () |
2fa0b342 DHW |
2588 | { |
2589 | lang_statement_union_type *file; | |
075d7359 | 2590 | bfd *input_bfd; |
075d7359 | 2591 | CONST bfd_arch_info_type *compatible; |
7bc4a0d7 | 2592 | |
2fa0b342 | 2593 | for (file = file_chain.head; |
075d7359 SC |
2594 | file != (lang_statement_union_type *) NULL; |
2595 | file = file->input_statement.next) | |
2596 | { | |
075d7359 | 2597 | input_bfd = file->input_statement.the_bfd; |
075d7359 SC |
2598 | compatible = bfd_arch_get_compatible (input_bfd, |
2599 | output_bfd); | |
0b3499f6 ILT |
2600 | if (compatible == NULL) |
2601 | einfo ("%P: warning: %s architecture of input file `%B' is incompatible with %s output\n", | |
2602 | bfd_printable_name (input_bfd), input_bfd, | |
2603 | bfd_printable_name (output_bfd)); | |
f400bbbb ILT |
2604 | |
2605 | else | |
2606 | bfd_merge_private_bfd_data (input_bfd, output_bfd); | |
075d7359 SC |
2607 | } |
2608 | } | |
2fa0b342 | 2609 | |
c477527c ILT |
2610 | /* Look through all the global common symbols and attach them to the |
2611 | correct section. The -sort-common command line switch may be used | |
2612 | to roughly sort the entries by size. */ | |
2fa0b342 DHW |
2613 | |
2614 | static void | |
8ddef552 | 2615 | lang_common () |
2fa0b342 | 2616 | { |
c477527c ILT |
2617 | if (link_info.relocateable |
2618 | && ! command_line.force_common_definition) | |
2619 | return; | |
075d7359 | 2620 | |
c477527c ILT |
2621 | if (! config.sort_common) |
2622 | bfd_link_hash_traverse (link_info.hash, lang_one_common, (PTR) NULL); | |
2623 | else | |
075d7359 | 2624 | { |
fa9dea80 | 2625 | int power; |
1418c83b | 2626 | |
fa9dea80 | 2627 | for (power = 4; power >= 0; power--) |
c477527c ILT |
2628 | bfd_link_hash_traverse (link_info.hash, lang_one_common, |
2629 | (PTR) &power); | |
2630 | } | |
2631 | } | |
29f33467 | 2632 | |
c477527c | 2633 | /* Place one common symbol in the correct section. */ |
075d7359 | 2634 | |
c477527c ILT |
2635 | static boolean |
2636 | lang_one_common (h, info) | |
2637 | struct bfd_link_hash_entry *h; | |
2638 | PTR info; | |
2639 | { | |
2640 | unsigned int power_of_two; | |
2641 | bfd_vma size; | |
c477527c | 2642 | asection *section; |
075d7359 | 2643 | |
c477527c ILT |
2644 | if (h->type != bfd_link_hash_common) |
2645 | return true; | |
075d7359 | 2646 | |
c477527c | 2647 | size = h->u.c.size; |
f400bbbb | 2648 | power_of_two = h->u.c.p->alignment_power; |
36c6e8c3 ILT |
2649 | |
2650 | if (config.sort_common | |
f054ce20 | 2651 | && power_of_two < (unsigned int) *(int *) info) |
c477527c | 2652 | return true; |
075d7359 | 2653 | |
f400bbbb | 2654 | section = h->u.c.p->section; |
075d7359 | 2655 | |
c477527c | 2656 | /* Increase the size of the section. */ |
36c6e8c3 ILT |
2657 | section->_raw_size = ALIGN_N (section->_raw_size, |
2658 | (bfd_size_type) (1 << power_of_two)); | |
075d7359 | 2659 | |
c477527c ILT |
2660 | /* Adjust the alignment if necessary. */ |
2661 | if (power_of_two > section->alignment_power) | |
2662 | section->alignment_power = power_of_two; | |
075d7359 | 2663 | |
c477527c ILT |
2664 | /* Change the symbol from common to defined. */ |
2665 | h->type = bfd_link_hash_defined; | |
2666 | h->u.def.section = section; | |
2667 | h->u.def.value = section->_raw_size; | |
097879bc | 2668 | |
c477527c ILT |
2669 | /* Increase the size of the section. */ |
2670 | section->_raw_size += size; | |
1418c83b | 2671 | |
809391bd ILT |
2672 | /* Make sure the section is allocated in memory. */ |
2673 | section->flags |= SEC_ALLOC; | |
2674 | ||
b495c314 | 2675 | if (config.map_file != NULL) |
efa6c497 ILT |
2676 | { |
2677 | static boolean header_printed; | |
2678 | int len; | |
2679 | char *name; | |
2680 | char buf[50]; | |
2681 | ||
2682 | if (! header_printed) | |
2683 | { | |
2684 | minfo ("\nAllocating common symbols\n"); | |
2685 | minfo ("Common symbol size file\n\n"); | |
2686 | header_printed = true; | |
2687 | } | |
2688 | ||
2689 | name = demangle (h->root.string); | |
2690 | minfo ("%s", name); | |
2691 | len = strlen (name); | |
2692 | free (name); | |
2693 | ||
2694 | if (len >= 19) | |
2695 | { | |
2696 | print_nl (); | |
2697 | len = 0; | |
2698 | } | |
2699 | while (len < 20) | |
2700 | { | |
2701 | print_space (); | |
2702 | ++len; | |
2703 | } | |
2704 | ||
2705 | minfo ("0x"); | |
2706 | if (size <= 0xffffffff) | |
2707 | sprintf (buf, "%lx", (unsigned long) size); | |
2708 | else | |
2709 | sprintf_vma (buf, size); | |
2710 | minfo ("%s", buf); | |
2711 | len = strlen (buf); | |
2712 | ||
2713 | while (len < 16) | |
2714 | { | |
2715 | print_space (); | |
2716 | ++len; | |
2717 | } | |
2718 | ||
2719 | minfo ("%B\n", section->owner); | |
2720 | } | |
1418c83b | 2721 | |
c477527c | 2722 | return true; |
2fa0b342 DHW |
2723 | } |
2724 | ||
2725 | /* | |
075d7359 | 2726 | run through the input files and ensure that every input |
2fa0b342 DHW |
2727 | section has somewhere to go. If one is found without |
2728 | a destination then create an input request and place it | |
2729 | into the statement tree. | |
2730 | */ | |
2731 | ||
075d7359 | 2732 | static void |
8ddef552 | 2733 | lang_place_orphans () |
2fa0b342 DHW |
2734 | { |
2735 | lang_input_statement_type *file; | |
1418c83b | 2736 | |
075d7359 SC |
2737 | for (file = (lang_input_statement_type *) file_chain.head; |
2738 | file != (lang_input_statement_type *) NULL; | |
2739 | file = (lang_input_statement_type *) file->next) | |
2740 | { | |
2741 | asection *s; | |
2742 | ||
2743 | for (s = file->the_bfd->sections; | |
2744 | s != (asection *) NULL; | |
2745 | s = s->next) | |
2746 | { | |
2747 | if (s->output_section == (asection *) NULL) | |
2748 | { | |
2749 | /* This section of the file is not attatched, root | |
2750 | around for a sensible place for it to go */ | |
2751 | ||
e802f0be DE |
2752 | if (file->just_syms_flag) |
2753 | { | |
2754 | /* We are only retrieving symbol values from this | |
2755 | file. We want the symbols to act as though the | |
2756 | values in the file are absolute. */ | |
2757 | s->output_section = bfd_abs_section_ptr; | |
2758 | s->output_offset = s->vma; | |
2759 | } | |
86bc0974 | 2760 | else if (strcmp (s->name, "COMMON") == 0) |
075d7359 | 2761 | { |
86bc0974 ILT |
2762 | /* This is a lonely common section which must have |
2763 | come from an archive. We attach to the section | |
2764 | with the wildcard. */ | |
c477527c | 2765 | if (! link_info.relocateable |
86bc0974 | 2766 | || command_line.force_common_definition) |
075d7359 | 2767 | { |
86bc0974 | 2768 | if (default_common_section == NULL) |
075d7359 | 2769 | { |
86bc0974 ILT |
2770 | #if 0 |
2771 | /* This message happens when using the | |
2772 | svr3.ifile linker script, so I have | |
2773 | disabled it. */ | |
a4aeaacf | 2774 | info_msg ("%P: no [COMMON] command, defaulting to .bss\n"); |
86bc0974 | 2775 | #endif |
075d7359 SC |
2776 | default_common_section = |
2777 | lang_output_section_statement_lookup (".bss"); | |
2778 | ||
2779 | } | |
2780 | wild_doit (&default_common_section->children, s, | |
2781 | default_common_section, file); | |
2782 | } | |
2783 | } | |
0b3499f6 ILT |
2784 | else if (ldemul_place_orphan (file, s)) |
2785 | ; | |
075d7359 SC |
2786 | else |
2787 | { | |
2788 | lang_output_section_statement_type *os = | |
2789 | lang_output_section_statement_lookup (s->name); | |
2fa0b342 | 2790 | |
075d7359 SC |
2791 | wild_doit (&os->children, s, os, file); |
2792 | } | |
2793 | } | |
2fa0b342 | 2794 | } |
2fa0b342 | 2795 | } |
2fa0b342 DHW |
2796 | } |
2797 | ||
2798 | ||
2fa0b342 | 2799 | void |
8ddef552 DM |
2800 | lang_set_flags (ptr, flags) |
2801 | int *ptr; | |
2802 | CONST char *flags; | |
2fa0b342 | 2803 | { |
075d7359 SC |
2804 | boolean state = false; |
2805 | ||
2806 | *ptr = 0; | |
2fa0b342 | 2807 | while (*flags) |
075d7359 SC |
2808 | { |
2809 | if (*flags == '!') | |
2810 | { | |
2811 | state = false; | |
2812 | flags++; | |
2813 | } | |
2814 | else | |
2815 | state = true; | |
2816 | switch (*flags) | |
2817 | { | |
2818 | case 'R': | |
2819 | /* ptr->flag_read = state; */ | |
2820 | break; | |
2821 | case 'W': | |
2822 | /* ptr->flag_write = state; */ | |
2823 | break; | |
2824 | case 'X': | |
2825 | /* ptr->flag_executable= state;*/ | |
2826 | break; | |
2827 | case 'L': | |
2828 | case 'I': | |
2829 | /* ptr->flag_loadable= state;*/ | |
2830 | break; | |
2831 | default: | |
ddddcdf0 | 2832 | einfo ("%P%F: invalid syntax in flags\n"); |
075d7359 SC |
2833 | break; |
2834 | } | |
dc4726c2 SC |
2835 | flags++; |
2836 | } | |
2fa0b342 DHW |
2837 | } |
2838 | ||
a4d2a48e ILT |
2839 | /* Call a function on each input file. This function will be called |
2840 | on an archive, but not on the elements. */ | |
2841 | ||
2842 | void | |
2843 | lang_for_each_input_file (func) | |
2844 | void (*func) PARAMS ((lang_input_statement_type *)); | |
2845 | { | |
2846 | lang_input_statement_type *f; | |
2847 | ||
2848 | for (f = (lang_input_statement_type *) input_file_chain.head; | |
2849 | f != NULL; | |
2850 | f = (lang_input_statement_type *) f->next_real_file) | |
2851 | func (f); | |
2852 | } | |
2fa0b342 | 2853 | |
a4d2a48e ILT |
2854 | /* Call a function on each file. The function will be called on all |
2855 | the elements of an archive which are included in the link, but will | |
2856 | not be called on the archive file itself. */ | |
2fa0b342 DHW |
2857 | |
2858 | void | |
8ddef552 DM |
2859 | lang_for_each_file (func) |
2860 | void (*func) PARAMS ((lang_input_statement_type *)); | |
2fa0b342 DHW |
2861 | { |
2862 | lang_input_statement_type *f; | |
075d7359 SC |
2863 | |
2864 | for (f = (lang_input_statement_type *) file_chain.head; | |
2865 | f != (lang_input_statement_type *) NULL; | |
2866 | f = (lang_input_statement_type *) f->next) | |
2867 | { | |
2868 | func (f); | |
2869 | } | |
2fa0b342 DHW |
2870 | } |
2871 | ||
9f629407 ILT |
2872 | #if 0 |
2873 | ||
2874 | /* Not used. */ | |
2fa0b342 DHW |
2875 | |
2876 | void | |
8ddef552 DM |
2877 | lang_for_each_input_section (func) |
2878 | void (*func) PARAMS ((bfd * ab, asection * as)); | |
2fa0b342 DHW |
2879 | { |
2880 | lang_input_statement_type *f; | |
075d7359 SC |
2881 | |
2882 | for (f = (lang_input_statement_type *) file_chain.head; | |
2883 | f != (lang_input_statement_type *) NULL; | |
2884 | f = (lang_input_statement_type *) f->next) | |
2fa0b342 DHW |
2885 | { |
2886 | asection *s; | |
075d7359 | 2887 | |
2fa0b342 | 2888 | for (s = f->the_bfd->sections; |
075d7359 SC |
2889 | s != (asection *) NULL; |
2890 | s = s->next) | |
2891 | { | |
2892 | func (f->the_bfd, s); | |
2893 | } | |
2fa0b342 DHW |
2894 | } |
2895 | } | |
2896 | ||
9f629407 | 2897 | #endif |
2fa0b342 | 2898 | |
075d7359 | 2899 | void |
8ddef552 DM |
2900 | ldlang_add_file (entry) |
2901 | lang_input_statement_type * entry; | |
2fa0b342 | 2902 | { |
5e6cd559 ILT |
2903 | bfd **pp; |
2904 | ||
075d7359 SC |
2905 | lang_statement_append (&file_chain, |
2906 | (lang_statement_union_type *) entry, | |
2907 | &entry->next); | |
c477527c ILT |
2908 | |
2909 | /* The BFD linker needs to have a list of all input BFDs involved in | |
2910 | a link. */ | |
2911 | ASSERT (entry->the_bfd->link_next == (bfd *) NULL); | |
2912 | ASSERT (entry->the_bfd != output_bfd); | |
5e6cd559 ILT |
2913 | for (pp = &link_info.input_bfds; |
2914 | *pp != (bfd *) NULL; | |
2915 | pp = &(*pp)->link_next) | |
2916 | ; | |
2917 | *pp = entry->the_bfd; | |
c477527c | 2918 | entry->the_bfd->usrdata = (PTR) entry; |
fc1dfb71 | 2919 | bfd_set_gp_size (entry->the_bfd, g_switch_value); |
23595ba5 ILT |
2920 | |
2921 | /* Look through the sections and check for any which should not be | |
2922 | included in the link. We need to do this now, so that we can | |
2923 | notice when the backend linker tries to report multiple | |
2924 | definition errors for symbols which are in sections we aren't | |
2925 | going to link. FIXME: It might be better to entirely ignore | |
2926 | symbols which are defined in sections which are going to be | |
2927 | discarded. This would require modifying the backend linker for | |
2928 | each backend which might set the SEC_LINK_ONCE flag. If we do | |
2929 | this, we should probably handle SEC_EXCLUDE in the same way. */ | |
2930 | ||
2931 | bfd_map_over_sections (entry->the_bfd, section_already_linked, (PTR) NULL); | |
2fa0b342 DHW |
2932 | } |
2933 | ||
2fa0b342 | 2934 | void |
2c6635a4 | 2935 | lang_add_output (name, from_script) |
8ddef552 | 2936 | CONST char *name; |
2c6635a4 | 2937 | int from_script; |
2fa0b342 | 2938 | { |
2c6635a4 ILT |
2939 | /* Make -o on command line override OUTPUT in script. */ |
2940 | if (had_output_filename == false || !from_script) | |
2941 | { | |
2942 | output_filename = name; | |
2943 | had_output_filename = true; | |
2944 | } | |
2fa0b342 DHW |
2945 | } |
2946 | ||
2947 | ||
2948 | static lang_output_section_statement_type *current_section; | |
2949 | ||
f054ce20 ILT |
2950 | static int |
2951 | topower (x) | |
9f629407 | 2952 | int x; |
e20873a7 | 2953 | { |
f054ce20 | 2954 | unsigned int i = 1; |
e20873a7 | 2955 | int l; |
f054ce20 ILT |
2956 | |
2957 | if (x < 0) | |
2958 | return -1; | |
2959 | ||
e20873a7 | 2960 | for (l = 0; l < 32; l++) |
f054ce20 ILT |
2961 | { |
2962 | if (i >= (unsigned int) x) | |
2963 | return l; | |
2964 | i <<= 1; | |
2965 | } | |
2966 | ||
29f33467 | 2967 | return 0; |
e20873a7 | 2968 | } |
86bc0974 | 2969 | |
2fa0b342 | 2970 | void |
8ddef552 | 2971 | lang_enter_output_section_statement (output_section_statement_name, |
86bc0974 | 2972 | address_exp, sectype, block_value, |
9f629407 | 2973 | align, subalign, ebase) |
fcf276c4 | 2974 | const char *output_section_statement_name; |
8ddef552 | 2975 | etree_type * address_exp; |
86bc0974 | 2976 | enum section_type sectype; |
8ddef552 DM |
2977 | bfd_vma block_value; |
2978 | etree_type *align; | |
2979 | etree_type *subalign; | |
9f629407 | 2980 | etree_type *ebase; |
2fa0b342 DHW |
2981 | { |
2982 | lang_output_section_statement_type *os; | |
075d7359 SC |
2983 | |
2984 | current_section = | |
e20873a7 | 2985 | os = |
075d7359 SC |
2986 | lang_output_section_statement_lookup (output_section_statement_name); |
2987 | ||
2988 | ||
2fa0b342 | 2989 | |
2fa0b342 DHW |
2990 | /* Add this statement to tree */ |
2991 | /* add_statement(lang_output_section_statement_enum, | |
2992 | output_section_statement);*/ | |
2993 | /* Make next things chain into subchain of this */ | |
2994 | ||
2995 | if (os->addr_tree == | |
075d7359 | 2996 | (etree_type *) NULL) |
e20873a7 JG |
2997 | { |
2998 | os->addr_tree = | |
2999 | address_exp; | |
3000 | } | |
86bc0974 ILT |
3001 | os->sectype = sectype; |
3002 | if (sectype != noload_section) | |
3003 | os->flags = SEC_NO_FLAGS; | |
ae475b39 | 3004 | else |
86bc0974 | 3005 | os->flags = SEC_NEVER_LOAD; |
29f33467 | 3006 | os->block_value = block_value ? block_value : 1; |
075d7359 | 3007 | stat_ptr = &os->children; |
2fa0b342 | 3008 | |
e20873a7 JG |
3009 | os->subsection_alignment = topower( |
3010 | exp_get_value_int(subalign, -1, | |
3011 | "subsection alignment", | |
3012 | 0)); | |
3013 | os->section_alignment = topower( | |
3014 | exp_get_value_int(align, -1, | |
3015 | "section alignment", 0)); | |
9fce28ed | 3016 | |
9f629407 | 3017 | os->load_base = ebase; |
2fa0b342 DHW |
3018 | } |
3019 | ||
9fce28ed | 3020 | |
075d7359 | 3021 | void |
8ddef552 | 3022 | lang_final () |
2fa0b342 | 3023 | { |
2c6635a4 ILT |
3024 | lang_output_statement_type *new = |
3025 | new_stat (lang_output_statement, stat_ptr); | |
2fa0b342 | 3026 | |
2c6635a4 | 3027 | new->name = output_filename; |
075d7359 | 3028 | } |
2fa0b342 | 3029 | |
c611e285 SC |
3030 | /* Reset the current counters in the regions */ |
3031 | static void | |
8ddef552 | 3032 | reset_memory_regions () |
c611e285 | 3033 | { |
075d7359 SC |
3034 | lang_memory_region_type *p = lang_memory_region_list; |
3035 | ||
c611e285 | 3036 | for (p = lang_memory_region_list; |
075d7359 SC |
3037 | p != (lang_memory_region_type *) NULL; |
3038 | p = p->next) | |
3039 | { | |
8ddef552 | 3040 | p->old_length = (bfd_size_type) (p->current - p->origin); |
075d7359 SC |
3041 | p->current = p->origin; |
3042 | } | |
c611e285 | 3043 | } |
2fa0b342 | 3044 | |
2fa0b342 | 3045 | void |
8ddef552 | 3046 | lang_process () |
075d7359 | 3047 | { |
075d7359 | 3048 | lang_reasonable_defaults (); |
1418c83b SC |
3049 | current_target = default_target; |
3050 | ||
075d7359 | 3051 | lang_for_each_statement (ldlang_open_output); /* Open the output file */ |
1418c83b | 3052 | |
97fbbaca JL |
3053 | ldemul_create_output_section_statements (); |
3054 | ||
1418c83b | 3055 | /* Add to the hash table all undefineds on the command line */ |
075d7359 | 3056 | lang_place_undefineds (); |
1418c83b SC |
3057 | |
3058 | /* Create a bfd for each input file */ | |
3059 | current_target = default_target; | |
309c8153 | 3060 | open_input_bfds (statement_list.head, false); |
1418c83b | 3061 | |
cc38364d KR |
3062 | ldemul_after_open (); |
3063 | ||
c477527c ILT |
3064 | /* Build all sets based on the information gathered from the input |
3065 | files. */ | |
3066 | ldctor_build_sets (); | |
3067 | ||
4fdbafb2 ILT |
3068 | /* Size up the common data */ |
3069 | lang_common (); | |
3070 | ||
1418c83b | 3071 | /* Run through the contours of the script and attatch input sections |
075d7359 | 3072 | to the correct output sections |
1418c83b | 3073 | */ |
075d7359 SC |
3074 | map_input_to_output_sections (statement_list.head, (char *) NULL, |
3075 | (lang_output_section_statement_type *) NULL); | |
1418c83b | 3076 | |
81016051 | 3077 | |
1418c83b | 3078 | /* Find any sections not attatched explicitly and handle them */ |
075d7359 | 3079 | lang_place_orphans (); |
1418c83b | 3080 | |
075d7359 | 3081 | ldemul_before_allocation (); |
1418c83b | 3082 | |
061e65f8 ILT |
3083 | /* We must record the program headers before we try to fix the |
3084 | section positions, since they will affect SIZEOF_HEADERS. */ | |
3085 | lang_record_phdrs (); | |
3086 | ||
c611e285 | 3087 | /* Now run around and relax if we can */ |
075d7359 | 3088 | if (command_line.relax) |
c611e285 | 3089 | { |
97fbbaca JL |
3090 | /* First time round is a trial run to get the 'worst case' |
3091 | addresses of the objects if there was no relaxing. */ | |
ae475b39 | 3092 | lang_size_sections (statement_list.head, |
193c5f93 | 3093 | abs_output_section, |
ae475b39 | 3094 | &(statement_list.head), 0, (bfd_vma) 0, false); |
c611e285 | 3095 | |
193c5f93 ILT |
3096 | /* Keep relaxing until bfd_relax_section gives up. */ |
3097 | do | |
3098 | { | |
1d169acc ILT |
3099 | reset_memory_regions (); |
3100 | ||
193c5f93 | 3101 | relax_again = false; |
ae475b39 | 3102 | |
193c5f93 ILT |
3103 | /* Do all the assignments with our current guesses as to |
3104 | section sizes. */ | |
3105 | lang_do_assignments (statement_list.head, | |
3106 | abs_output_section, | |
3107 | (fill_type) 0, (bfd_vma) 0); | |
ae475b39 | 3108 | |
193c5f93 ILT |
3109 | /* Perform another relax pass - this time we know where the |
3110 | globals are, so can make better guess. */ | |
3111 | lang_size_sections (statement_list.head, | |
3112 | abs_output_section, | |
3113 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
3114 | } | |
3115 | while (relax_again); | |
ae475b39 | 3116 | } |
ae475b39 SC |
3117 | else |
3118 | { | |
97fbbaca | 3119 | /* Size up the sections. */ |
ae475b39 SC |
3120 | lang_size_sections (statement_list.head, |
3121 | abs_output_section, | |
3122 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
075d7359 | 3123 | } |
c611e285 | 3124 | |
1418c83b | 3125 | /* See if anything special should be done now we know how big |
97fbbaca | 3126 | everything is. */ |
075d7359 | 3127 | ldemul_after_allocation (); |
1418c83b | 3128 | |
1d169acc ILT |
3129 | /* Fix any .startof. or .sizeof. symbols. */ |
3130 | lang_set_startof (); | |
3131 | ||
1418c83b SC |
3132 | /* Do all the assignments, now that we know the final restingplaces |
3133 | of all the symbols */ | |
3134 | ||
075d7359 SC |
3135 | lang_do_assignments (statement_list.head, |
3136 | abs_output_section, | |
c477527c | 3137 | (fill_type) 0, (bfd_vma) 0); |
ffc50032 | 3138 | |
1418c83b SC |
3139 | /* Make sure that we're not mixing architectures */ |
3140 | ||
075d7359 | 3141 | lang_check (); |
1418c83b | 3142 | |
1418c83b | 3143 | /* Final stuffs */ |
97fbbaca JL |
3144 | |
3145 | ldemul_finish (); | |
075d7359 | 3146 | lang_finish (); |
2fa0b342 DHW |
3147 | } |
3148 | ||
2fa0b342 | 3149 | /* EXPORTED TO YACC */ |
1418c83b | 3150 | |
2fa0b342 | 3151 | void |
8ddef552 DM |
3152 | lang_add_wild (section_name, filename) |
3153 | CONST char *CONST section_name; | |
3154 | CONST char *CONST filename; | |
1418c83b | 3155 | { |
075d7359 SC |
3156 | lang_wild_statement_type *new = new_stat (lang_wild_statement, |
3157 | stat_ptr); | |
1418c83b | 3158 | |
075d7359 SC |
3159 | if (section_name != (char *) NULL && strcmp (section_name, "COMMON") == 0) |
3160 | { | |
3161 | placed_commons = true; | |
3162 | } | |
3163 | if (filename != (char *) NULL) | |
3164 | { | |
3165 | lang_has_input_file = true; | |
3166 | } | |
1418c83b SC |
3167 | new->section_name = section_name; |
3168 | new->filename = filename; | |
075d7359 | 3169 | lang_list_init (&new->children); |
1418c83b | 3170 | } |
075d7359 | 3171 | |
1418c83b | 3172 | void |
8ddef552 DM |
3173 | lang_section_start (name, address) |
3174 | CONST char *name; | |
3175 | etree_type * address; | |
2fa0b342 | 3176 | { |
075d7359 SC |
3177 | lang_address_statement_type *ad = new_stat (lang_address_statement, stat_ptr); |
3178 | ||
2fa0b342 DHW |
3179 | ad->section_name = name; |
3180 | ad->address = address; | |
3181 | } | |
1418c83b | 3182 | |
60e8a534 ILT |
3183 | /* Set the start symbol to NAME. CMDLINE is nonzero if this is called |
3184 | because of a -e argument on the command line, or zero if this is | |
3185 | called by ENTRY in a linker script. Command line arguments take | |
3186 | precedence. */ | |
3187 | ||
3f38a017 SC |
3188 | /* WINDOWS_NT. When an entry point has been specified, we will also force |
3189 | this symbol to be defined by calling ldlang_add_undef (equivalent to | |
3190 | having switch -u entry_name on the command line). The reason we do | |
3191 | this is so that the user doesn't have to because they would have to use | |
3192 | the -u switch if they were specifying an entry point other than | |
3193 | _mainCRTStartup. Specifically, if creating a windows application, entry | |
3194 | point _WinMainCRTStartup must be specified. | |
3195 | What I have found for non console applications (entry not _mainCRTStartup) | |
3196 | is that the .obj that contains mainCRTStartup is brought in since it is | |
3197 | the first encountered in libc.lib and it has other symbols in it which will | |
3198 | be pulled in by the link process. To avoid this, adding -u with the entry | |
3199 | point name specified forces the correct .obj to be used. We can avoid | |
3200 | making the user do this by always adding the entry point name as an | |
3201 | undefined symbol. */ | |
3202 | ||
075d7359 | 3203 | void |
60e8a534 | 3204 | lang_add_entry (name, cmdline) |
8ddef552 | 3205 | CONST char *name; |
f054ce20 | 3206 | boolean cmdline; |
2fa0b342 | 3207 | { |
60e8a534 ILT |
3208 | if (entry_symbol == NULL |
3209 | || cmdline | |
f054ce20 | 3210 | || ! entry_from_cmdline) |
60e8a534 ILT |
3211 | { |
3212 | entry_symbol = name; | |
f054ce20 | 3213 | entry_from_cmdline = cmdline; |
60e8a534 | 3214 | } |
943fbd5b | 3215 | #if 0 |
3f38a017 SC |
3216 | /* don't do this yet. It seems to work (the executables run), but the |
3217 | image created is very different from what I was getting before indicating | |
3218 | that something else is being pulled in. When everything else is working, | |
3219 | then try to put this back in to see if it will do the right thing for | |
3220 | other more complicated applications */ | |
3221 | ldlang_add_undef (name); | |
3222 | #endif | |
2fa0b342 DHW |
3223 | } |
3224 | ||
3225 | void | |
8ddef552 DM |
3226 | lang_add_target (name) |
3227 | CONST char *name; | |
2fa0b342 | 3228 | { |
075d7359 SC |
3229 | lang_target_statement_type *new = new_stat (lang_target_statement, |
3230 | stat_ptr); | |
3231 | ||
2fa0b342 DHW |
3232 | new->target = name; |
3233 | ||
3234 | } | |
2fa0b342 | 3235 | |
2fa0b342 | 3236 | void |
8ddef552 DM |
3237 | lang_add_map (name) |
3238 | CONST char *name; | |
2fa0b342 | 3239 | { |
075d7359 SC |
3240 | while (*name) |
3241 | { | |
3242 | switch (*name) | |
3243 | { | |
3244 | case 'F': | |
3245 | map_option_f = true; | |
3246 | break; | |
3247 | } | |
3248 | name++; | |
2fa0b342 | 3249 | } |
2fa0b342 DHW |
3250 | } |
3251 | ||
075d7359 | 3252 | void |
8ddef552 DM |
3253 | lang_add_fill (exp) |
3254 | int exp; | |
2fa0b342 | 3255 | { |
075d7359 SC |
3256 | lang_fill_statement_type *new = new_stat (lang_fill_statement, |
3257 | stat_ptr); | |
3258 | ||
2fa0b342 DHW |
3259 | new->fill = exp; |
3260 | } | |
3261 | ||
075d7359 | 3262 | void |
8ddef552 DM |
3263 | lang_add_data (type, exp) |
3264 | int type; | |
3265 | union etree_union *exp; | |
2fa0b342 DHW |
3266 | { |
3267 | ||
075d7359 | 3268 | lang_data_statement_type *new = new_stat (lang_data_statement, |
2fa0b342 | 3269 | stat_ptr); |
075d7359 SC |
3270 | |
3271 | new->exp = exp; | |
3272 | new->type = type; | |
2fa0b342 DHW |
3273 | |
3274 | } | |
075d7359 | 3275 | |
4fdbafb2 ILT |
3276 | /* Create a new reloc statement. RELOC is the BFD relocation type to |
3277 | generate. HOWTO is the corresponding howto structure (we could | |
3278 | look this up, but the caller has already done so). SECTION is the | |
3279 | section to generate a reloc against, or NAME is the name of the | |
3280 | symbol to generate a reloc against. Exactly one of SECTION and | |
3281 | NAME must be NULL. ADDEND is an expression for the addend. */ | |
3282 | ||
3283 | void | |
3284 | lang_add_reloc (reloc, howto, section, name, addend) | |
3285 | bfd_reloc_code_real_type reloc; | |
cc38364d | 3286 | reloc_howto_type *howto; |
4fdbafb2 ILT |
3287 | asection *section; |
3288 | const char *name; | |
3289 | union etree_union *addend; | |
3290 | { | |
3291 | lang_reloc_statement_type *p = new_stat (lang_reloc_statement, stat_ptr); | |
3292 | ||
3293 | p->reloc = reloc; | |
3294 | p->howto = howto; | |
3295 | p->section = section; | |
3296 | p->name = name; | |
3297 | p->addend_exp = addend; | |
3298 | ||
3299 | p->addend_value = 0; | |
3300 | p->output_section = NULL; | |
3301 | p->output_vma = 0; | |
3302 | } | |
3303 | ||
2fa0b342 | 3304 | void |
8ddef552 DM |
3305 | lang_add_assignment (exp) |
3306 | etree_type * exp; | |
2fa0b342 | 3307 | { |
075d7359 SC |
3308 | lang_assignment_statement_type *new = new_stat (lang_assignment_statement, |
3309 | stat_ptr); | |
3310 | ||
2fa0b342 DHW |
3311 | new->exp = exp; |
3312 | } | |
3313 | ||
3314 | void | |
8ddef552 DM |
3315 | lang_add_attribute (attribute) |
3316 | enum statement_enum attribute; | |
2fa0b342 | 3317 | { |
075d7359 | 3318 | new_statement (attribute, sizeof (lang_statement_union_type), stat_ptr); |
2fa0b342 DHW |
3319 | } |
3320 | ||
075d7359 | 3321 | void |
8ddef552 DM |
3322 | lang_startup (name) |
3323 | CONST char *name; | |
2fa0b342 | 3324 | { |
075d7359 SC |
3325 | if (startup_file != (char *) NULL) |
3326 | { | |
ddddcdf0 | 3327 | einfo ("%P%Fmultiple STARTUP files\n"); |
075d7359 | 3328 | } |
2fa0b342 DHW |
3329 | first_file->filename = name; |
3330 | first_file->local_sym_name = name; | |
193c5f93 | 3331 | first_file->real = true; |
2fa0b342 | 3332 | |
075d7359 | 3333 | startup_file = name; |
2fa0b342 | 3334 | } |
075d7359 SC |
3335 | |
3336 | void | |
8ddef552 DM |
3337 | lang_float (maybe) |
3338 | boolean maybe; | |
2fa0b342 DHW |
3339 | { |
3340 | lang_float_flag = maybe; | |
3341 | } | |
3342 | ||
075d7359 | 3343 | void |
d22ec3b0 | 3344 | lang_leave_output_section_statement (fill, memspec, phdrs) |
8ddef552 | 3345 | bfd_vma fill; |
d22ec3b0 ILT |
3346 | const char *memspec; |
3347 | struct lang_output_section_phdr_list *phdrs; | |
2fa0b342 DHW |
3348 | { |
3349 | current_section->fill = fill; | |
075d7359 | 3350 | current_section->region = lang_memory_region_lookup (memspec); |
d22ec3b0 | 3351 | current_section->phdrs = phdrs; |
2fa0b342 DHW |
3352 | stat_ptr = &statement_list; |
3353 | } | |
075d7359 | 3354 | |
9f32f7c2 SC |
3355 | /* |
3356 | Create an absolute symbol with the given name with the value of the | |
3357 | address of first byte of the section named. | |
2fa0b342 | 3358 | |
9f32f7c2 SC |
3359 | If the symbol already exists, then do nothing. |
3360 | */ | |
8cb5eb31 | 3361 | void |
c477527c ILT |
3362 | lang_abs_symbol_at_beginning_of (secname, name) |
3363 | const char *secname; | |
3364 | const char *name; | |
075d7359 | 3365 | { |
c477527c ILT |
3366 | struct bfd_link_hash_entry *h; |
3367 | ||
3368 | h = bfd_link_hash_lookup (link_info.hash, name, true, true, true); | |
3369 | if (h == (struct bfd_link_hash_entry *) NULL) | |
3370 | einfo ("%P%F: bfd_link_hash_lookup failed: %E\n"); | |
3371 | ||
3372 | if (h->type == bfd_link_hash_new | |
3373 | || h->type == bfd_link_hash_undefined) | |
075d7359 | 3374 | { |
c477527c | 3375 | asection *sec; |
075d7359 | 3376 | |
c477527c ILT |
3377 | h->type = bfd_link_hash_defined; |
3378 | ||
3379 | sec = bfd_get_section_by_name (output_bfd, secname); | |
3380 | if (sec == (asection *) NULL) | |
3381 | h->u.def.value = 0; | |
075d7359 | 3382 | else |
c477527c ILT |
3383 | h->u.def.value = bfd_get_section_vma (output_bfd, sec); |
3384 | ||
686739e2 | 3385 | h->u.def.section = bfd_abs_section_ptr; |
9f32f7c2 | 3386 | } |
8cb5eb31 SC |
3387 | } |
3388 | ||
9f32f7c2 SC |
3389 | /* |
3390 | Create an absolute symbol with the given name with the value of the | |
3391 | address of the first byte after the end of the section named. | |
3392 | ||
3393 | If the symbol already exists, then do nothing. | |
3394 | */ | |
2fa0b342 | 3395 | void |
c477527c ILT |
3396 | lang_abs_symbol_at_end_of (secname, name) |
3397 | const char *secname; | |
3398 | const char *name; | |
075d7359 | 3399 | { |
c477527c ILT |
3400 | struct bfd_link_hash_entry *h; |
3401 | ||
3402 | h = bfd_link_hash_lookup (link_info.hash, name, true, true, true); | |
3403 | if (h == (struct bfd_link_hash_entry *) NULL) | |
3404 | einfo ("%P%F: bfd_link_hash_lookup failed: %E\n"); | |
3405 | ||
3406 | if (h->type == bfd_link_hash_new | |
3407 | || h->type == bfd_link_hash_undefined) | |
075d7359 | 3408 | { |
c477527c | 3409 | asection *sec; |
075d7359 | 3410 | |
c477527c | 3411 | h->type = bfd_link_hash_defined; |
075d7359 | 3412 | |
c477527c ILT |
3413 | sec = bfd_get_section_by_name (output_bfd, secname); |
3414 | if (sec == (asection *) NULL) | |
3415 | h->u.def.value = 0; | |
075d7359 | 3416 | else |
c477527c ILT |
3417 | h->u.def.value = (bfd_get_section_vma (output_bfd, sec) |
3418 | + bfd_section_size (output_bfd, sec)); | |
3419 | ||
686739e2 | 3420 | h->u.def.section = bfd_abs_section_ptr; |
9f32f7c2 | 3421 | } |
2fa0b342 DHW |
3422 | } |
3423 | ||
075d7359 | 3424 | void |
8ddef552 DM |
3425 | lang_statement_append (list, element, field) |
3426 | lang_statement_list_type * list; | |
3427 | lang_statement_union_type * element; | |
3428 | lang_statement_union_type ** field; | |
2fa0b342 DHW |
3429 | { |
3430 | *(list->tail) = element; | |
3431 | list->tail = field; | |
3432 | } | |
3433 | ||
173a0c3d | 3434 | /* Set the output format type. -oformat overrides scripts. */ |
6a02a973 | 3435 | |
097879bc | 3436 | void |
6a02a973 ILT |
3437 | lang_add_output_format (format, big, little, from_script) |
3438 | const char *format; | |
3439 | const char *big; | |
3440 | const char *little; | |
173a0c3d | 3441 | int from_script; |
097879bc | 3442 | { |
2c6635a4 | 3443 | if (output_target == NULL || !from_script) |
6a02a973 ILT |
3444 | { |
3445 | if (command_line.endian == ENDIAN_BIG | |
3446 | && big != NULL) | |
3447 | format = big; | |
3448 | else if (command_line.endian == ENDIAN_LITTLE | |
3449 | && little != NULL) | |
3450 | format = little; | |
3451 | ||
3452 | output_target = format; | |
3453 | } | |
097879bc | 3454 | } |
309c8153 ILT |
3455 | |
3456 | /* Enter a group. This creates a new lang_group_statement, and sets | |
3457 | stat_ptr to build new statements within the group. */ | |
3458 | ||
3459 | void | |
3460 | lang_enter_group () | |
3461 | { | |
3462 | lang_group_statement_type *g; | |
3463 | ||
3464 | g = new_stat (lang_group_statement, stat_ptr); | |
3465 | lang_list_init (&g->children); | |
3466 | stat_ptr = &g->children; | |
3467 | } | |
3468 | ||
3469 | /* Leave a group. This just resets stat_ptr to start writing to the | |
3470 | regular list of statements again. Note that this will not work if | |
3471 | groups can occur inside anything else which can adjust stat_ptr, | |
3472 | but currently they can't. */ | |
3473 | ||
3474 | void | |
3475 | lang_leave_group () | |
3476 | { | |
3477 | stat_ptr = &statement_list; | |
3478 | } | |
061e65f8 ILT |
3479 | |
3480 | /* Add a new program header. This is called for each entry in a PHDRS | |
3481 | command in a linker script. */ | |
3482 | ||
3483 | void | |
708f7fbc | 3484 | lang_new_phdr (name, type, filehdr, phdrs, at, flags) |
061e65f8 ILT |
3485 | const char *name; |
3486 | etree_type *type; | |
708f7fbc ILT |
3487 | boolean filehdr; |
3488 | boolean phdrs; | |
061e65f8 | 3489 | etree_type *at; |
708f7fbc | 3490 | etree_type *flags; |
061e65f8 ILT |
3491 | { |
3492 | struct lang_phdr *n, **pp; | |
3493 | ||
3494 | n = (struct lang_phdr *) stat_alloc (sizeof (struct lang_phdr)); | |
3495 | n->next = NULL; | |
3496 | n->name = name; | |
3497 | n->type = exp_get_value_int (type, 0, "program header type", | |
3498 | lang_final_phase_enum); | |
708f7fbc ILT |
3499 | n->filehdr = filehdr; |
3500 | n->phdrs = phdrs; | |
061e65f8 | 3501 | n->at = at; |
708f7fbc | 3502 | n->flags = flags; |
061e65f8 ILT |
3503 | |
3504 | for (pp = &lang_phdr_list; *pp != NULL; pp = &(*pp)->next) | |
3505 | ; | |
3506 | *pp = n; | |
3507 | } | |
3508 | ||
061e65f8 ILT |
3509 | /* Record the program header information in the output BFD. FIXME: We |
3510 | should not be calling an ELF specific function here. */ | |
3511 | ||
3512 | static void | |
3513 | lang_record_phdrs () | |
3514 | { | |
3515 | unsigned int alc; | |
3516 | asection **secs; | |
3517 | struct lang_output_section_phdr_list *last; | |
3518 | struct lang_phdr *l; | |
3519 | lang_statement_union_type *u; | |
3520 | ||
3521 | alc = 10; | |
3522 | secs = xmalloc (alc * sizeof (asection *)); | |
3523 | last = NULL; | |
3524 | for (l = lang_phdr_list; l != NULL; l = l->next) | |
3525 | { | |
3526 | unsigned int c; | |
708f7fbc | 3527 | flagword flags; |
061e65f8 ILT |
3528 | bfd_vma at; |
3529 | ||
3530 | c = 0; | |
3531 | for (u = lang_output_section_statement.head; | |
3532 | u != NULL; | |
3533 | u = u->output_section_statement.next) | |
3534 | { | |
3535 | lang_output_section_statement_type *os; | |
3536 | struct lang_output_section_phdr_list *pl; | |
3537 | ||
3538 | os = &u->output_section_statement; | |
3539 | ||
708f7fbc | 3540 | pl = os->phdrs; |
061e65f8 ILT |
3541 | if (pl != NULL) |
3542 | last = pl; | |
3543 | else | |
3544 | { | |
86bc0974 | 3545 | if (os->sectype == noload_section |
061e65f8 ILT |
3546 | || os->bfd_section == NULL |
3547 | || (os->bfd_section->flags & SEC_ALLOC) == 0) | |
3548 | continue; | |
3549 | pl = last; | |
3550 | } | |
3551 | ||
3552 | if (os->bfd_section == NULL) | |
3553 | continue; | |
3554 | ||
3555 | for (; pl != NULL; pl = pl->next) | |
3556 | { | |
3557 | if (strcmp (pl->name, l->name) == 0) | |
3558 | { | |
3559 | if (c >= alc) | |
3560 | { | |
3561 | alc *= 2; | |
3562 | secs = xrealloc (secs, alc * sizeof (asection *)); | |
3563 | } | |
3564 | secs[c] = os->bfd_section; | |
3565 | ++c; | |
3566 | pl->used = true; | |
3567 | } | |
3568 | } | |
3569 | } | |
3570 | ||
708f7fbc ILT |
3571 | if (l->flags == NULL) |
3572 | flags = 0; | |
3573 | else | |
3574 | flags = exp_get_vma (l->flags, 0, "phdr flags", | |
3575 | lang_final_phase_enum); | |
3576 | ||
061e65f8 ILT |
3577 | if (l->at == NULL) |
3578 | at = 0; | |
3579 | else | |
3580 | at = exp_get_vma (l->at, 0, "phdr load address", | |
3581 | lang_final_phase_enum); | |
708f7fbc ILT |
3582 | |
3583 | if (! bfd_record_phdr (output_bfd, l->type, | |
3584 | l->flags == NULL ? false : true, | |
3585 | flags, | |
061e65f8 | 3586 | l->at == NULL ? false : true, |
708f7fbc | 3587 | at, l->filehdr, l->phdrs, c, secs)) |
061e65f8 ILT |
3588 | einfo ("%F%P: bfd_record_phdr failed: %E\n"); |
3589 | } | |
3590 | ||
3591 | free (secs); | |
3592 | ||
3593 | /* Make sure all the phdr assignments succeeded. */ | |
3594 | for (u = lang_output_section_statement.head; | |
3595 | u != NULL; | |
3596 | u = u->output_section_statement.next) | |
3597 | { | |
3598 | struct lang_output_section_phdr_list *pl; | |
3599 | ||
3600 | if (u->output_section_statement.bfd_section == NULL) | |
3601 | continue; | |
3602 | ||
3603 | for (pl = u->output_section_statement.phdrs; | |
3604 | pl != NULL; | |
3605 | pl = pl->next) | |
3606 | if (! pl->used && strcmp (pl->name, "NONE") != 0) | |
3607 | einfo ("%X%P: section `%s' assigned to non-existent phdr `%s'\n", | |
3608 | u->output_section_statement.name, pl->name); | |
3609 | } | |
3610 | } | |
582dd77f ILT |
3611 | |
3612 | /* Record a list of sections which may not be cross referenced. */ | |
3613 | ||
3614 | void | |
3615 | lang_add_nocrossref (l) | |
3616 | struct lang_nocrossref *l; | |
3617 | { | |
3618 | struct lang_nocrossrefs *n; | |
3619 | ||
3620 | n = (struct lang_nocrossrefs *) xmalloc (sizeof *n); | |
3621 | n->next = nocrossref_list; | |
3622 | n->list = l; | |
3623 | nocrossref_list = n; | |
3624 | ||
3625 | /* Set notice_all so that we get informed about all symbols. */ | |
3626 | link_info.notice_all = true; | |
3627 | } | |
d22ec3b0 ILT |
3628 | \f |
3629 | /* Overlay handling. We handle overlays with some static variables. */ | |
3630 | ||
3631 | /* The overlay virtual address. */ | |
3632 | static etree_type *overlay_vma; | |
3633 | ||
3634 | /* The overlay load address. */ | |
3635 | static etree_type *overlay_lma; | |
3636 | ||
3637 | /* An expression for the maximum section size seen so far. */ | |
3638 | static etree_type *overlay_max; | |
3639 | ||
3640 | /* A list of all the sections in this overlay. */ | |
3641 | ||
3642 | struct overlay_list | |
3643 | { | |
3644 | struct overlay_list *next; | |
3645 | lang_output_section_statement_type *os; | |
3646 | }; | |
3647 | ||
3648 | static struct overlay_list *overlay_list; | |
3649 | ||
3650 | /* Start handling an overlay. */ | |
3651 | ||
3652 | void | |
3653 | lang_enter_overlay (vma_expr, lma_expr) | |
3654 | etree_type *vma_expr; | |
3655 | etree_type *lma_expr; | |
3656 | { | |
3657 | /* The grammar should prevent nested overlays from occurring. */ | |
3658 | ASSERT (overlay_vma == NULL | |
3659 | && overlay_lma == NULL | |
3660 | && overlay_list == NULL | |
3661 | && overlay_max == NULL); | |
3662 | ||
3663 | overlay_vma = vma_expr; | |
3664 | overlay_lma = lma_expr; | |
3665 | } | |
3666 | ||
3667 | /* Start a section in an overlay. We handle this by calling | |
3668 | lang_enter_output_section_statement with the correct VMA and LMA. */ | |
3669 | ||
3670 | void | |
3671 | lang_enter_overlay_section (name) | |
3672 | const char *name; | |
3673 | { | |
3674 | struct overlay_list *n; | |
3675 | etree_type *size; | |
3676 | ||
3677 | lang_enter_output_section_statement (name, overlay_vma, normal_section, | |
3678 | 0, 0, 0, overlay_lma); | |
3679 | ||
3680 | /* If this is the first section, then base the VMA and LMA of future | |
3681 | sections on this one. This will work correctly even if `.' is | |
3682 | used in the addresses. */ | |
3683 | if (overlay_list == NULL) | |
3684 | { | |
3685 | overlay_vma = exp_nameop (ADDR, name); | |
3686 | overlay_lma = exp_nameop (LOADADDR, name); | |
3687 | } | |
3688 | ||
3689 | /* Remember the section. */ | |
3690 | n = (struct overlay_list *) xmalloc (sizeof *n); | |
3691 | n->os = current_section; | |
3692 | n->next = overlay_list; | |
3693 | overlay_list = n; | |
3694 | ||
3695 | size = exp_nameop (SIZEOF, name); | |
3696 | ||
3697 | /* Adjust the LMA for the next section. */ | |
3698 | overlay_lma = exp_binop ('+', overlay_lma, size); | |
3699 | ||
3700 | /* Arrange to work out the maximum section end address. */ | |
3701 | if (overlay_max == NULL) | |
3702 | overlay_max = size; | |
3703 | else | |
3704 | overlay_max = exp_binop (MAX, overlay_max, size); | |
3705 | } | |
3706 | ||
3707 | /* Finish a section in an overlay. There isn't any special to do | |
3708 | here. */ | |
3709 | ||
3710 | void | |
3711 | lang_leave_overlay_section (fill, phdrs) | |
3712 | bfd_vma fill; | |
3713 | struct lang_output_section_phdr_list *phdrs; | |
3714 | { | |
3715 | const char *name; | |
3716 | char *clean, *s2; | |
3717 | const char *s1; | |
3718 | char *buf; | |
3719 | ||
3720 | name = current_section->name; | |
3721 | ||
3722 | lang_leave_output_section_statement (fill, "*default*", phdrs); | |
3723 | ||
3724 | /* Define the magic symbols. */ | |
3725 | ||
3726 | clean = xmalloc (strlen (name) + 1); | |
3727 | s2 = clean; | |
3728 | for (s1 = name; *s1 != '\0'; s1++) | |
3729 | if (isalnum (*s1) || *s1 == '_') | |
3730 | *s2++ = *s1; | |
3731 | *s2 = '\0'; | |
3732 | ||
3733 | buf = xmalloc (strlen (clean) + sizeof "__load_start_"); | |
3734 | sprintf (buf, "__load_start_%s", clean); | |
3735 | lang_add_assignment (exp_assop ('=', buf, | |
3736 | exp_nameop (LOADADDR, name))); | |
3737 | ||
3738 | buf = xmalloc (strlen (clean) + sizeof "__load_stop_"); | |
3739 | sprintf (buf, "__load_stop_%s", clean); | |
3740 | lang_add_assignment (exp_assop ('=', buf, | |
3741 | exp_binop ('+', | |
3742 | exp_nameop (LOADADDR, name), | |
3743 | exp_nameop (SIZEOF, name)))); | |
3744 | ||
3745 | free (clean); | |
3746 | } | |
3747 | ||
3748 | /* Finish an overlay. If there are any overlay wide settings, this | |
3749 | looks through all the sections in the overlay and sets them. */ | |
3750 | ||
3751 | void | |
3752 | lang_leave_overlay (fill, memspec, phdrs) | |
3753 | bfd_vma fill; | |
3754 | const char *memspec; | |
3755 | struct lang_output_section_phdr_list *phdrs; | |
3756 | { | |
3757 | lang_memory_region_type *region; | |
3758 | struct overlay_list *l; | |
3759 | struct lang_nocrossref *nocrossref; | |
3760 | ||
3761 | if (memspec == NULL) | |
3762 | region = NULL; | |
3763 | else | |
3764 | region = lang_memory_region_lookup (memspec); | |
3765 | ||
3766 | nocrossref = NULL; | |
3767 | ||
3768 | l = overlay_list; | |
3769 | while (l != NULL) | |
3770 | { | |
3771 | struct lang_nocrossref *nc; | |
3772 | struct overlay_list *next; | |
3773 | ||
3774 | if (fill != 0 && l->os->fill == 0) | |
3775 | l->os->fill = fill; | |
3776 | if (region != NULL && l->os->region == NULL) | |
3777 | l->os->region = region; | |
3778 | if (phdrs != NULL && l->os->phdrs == NULL) | |
3779 | l->os->phdrs = phdrs; | |
3780 | ||
3781 | nc = (struct lang_nocrossref *) xmalloc (sizeof *nc); | |
3782 | nc->name = l->os->name; | |
3783 | nc->next = nocrossref; | |
3784 | nocrossref = nc; | |
3785 | ||
3786 | next = l->next; | |
3787 | free (l); | |
3788 | l = next; | |
3789 | } | |
3790 | ||
3791 | if (nocrossref != NULL) | |
3792 | lang_add_nocrossref (nocrossref); | |
3793 | ||
3794 | /* Update . for the end of the overlay. */ | |
3795 | lang_add_assignment (exp_assop ('=', ".", | |
3796 | exp_binop ('+', overlay_vma, overlay_max))); | |
3797 | ||
3798 | overlay_vma = NULL; | |
3799 | overlay_lma = NULL; | |
3800 | overlay_list = NULL; | |
3801 | overlay_max = NULL; | |
3802 | } |