Commit | Line | Data |
---|---|---|
e20873a7 | 1 | /* Linker command language support. |
0b2f8d2e | 2 | Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc. |
075d7359 | 3 | |
2fa0b342 DHW |
4 | This file is part of GLD, the Gnu Linker. |
5 | ||
6 | GLD is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 1, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GLD is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GLD; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
2fa0b342 | 20 | #include "bfd.h" |
075d7359 | 21 | #include "sysdep.h" |
4c2123b6 | 22 | #include "libiberty.h" |
c477527c | 23 | #include "bfdlink.h" |
2fa0b342 DHW |
24 | |
25 | #include "ld.h" | |
fcf276c4 | 26 | #include "ldmain.h" |
7bc4a0d7 | 27 | #include "ldgram.h" |
2fa0b342 | 28 | #include "ldexp.h" |
fcf276c4 | 29 | #include "ldlang.h" |
8c514453 | 30 | #include "ldemul.h" |
2fa0b342 | 31 | #include "ldlex.h" |
3f8d46e7 | 32 | #include "ldmisc.h" |
c611e285 | 33 | #include "ldctor.h" |
fcf276c4 | 34 | #include "ldfile.h" |
b98bd3db | 35 | |
2fa0b342 | 36 | /* FORWARDS */ |
e20873a7 JG |
37 | static void print_statements PARAMS ((void)); |
38 | static void print_statement PARAMS ((lang_statement_union_type *, | |
075d7359 | 39 | lang_output_section_statement_type *)); |
5af8e9d6 KR |
40 | static lang_statement_union_type *new_statement PARAMS ((enum statement_enum, |
41 | size_t, | |
42 | lang_statement_list_type*)); | |
43 | ||
2fa0b342 | 44 | |
d4c02e29 | 45 | /* LOCALS */ |
bfbdc80f | 46 | static struct obstack stat_obstack; |
075d7359 | 47 | |
0b2f8d2e | 48 | #define obstack_chunk_alloc xmalloc |
bfbdc80f | 49 | #define obstack_chunk_free free |
075d7359 | 50 | static CONST char *startup_file; |
d4c02e29 | 51 | static lang_statement_list_type input_file_chain; |
81016051 SC |
52 | |
53 | /* Points to the last statement in the .data section, so we can add | |
54 | stuff to the data section without pain */ | |
55 | static lang_statement_list_type end_of_data_section_statement_list; | |
56 | ||
d4c02e29 SC |
57 | static boolean placed_commons = false; |
58 | static lang_output_section_statement_type *default_common_section; | |
59 | static boolean map_option_f; | |
60 | static bfd_vma print_dot; | |
61 | static lang_input_statement_type *first_file; | |
62 | static lang_statement_list_type lang_output_section_statement; | |
63 | static CONST char *current_target; | |
64 | static CONST char *output_target; | |
fcf276c4 | 65 | static int longest_section_name = 8; |
d4c02e29 | 66 | static lang_statement_list_type statement_list; |
ffc50032 | 67 | |
9f629407 ILT |
68 | static void print_size PARAMS ((size_t value)); |
69 | static void print_alignment PARAMS ((unsigned int value)); | |
70 | static void print_fill PARAMS ((fill_type value)); | |
71 | static void print_section PARAMS ((const char *name)); | |
72 | static void lang_for_each_statement_worker | |
73 | PARAMS ((void (*func) (lang_statement_union_type *), | |
74 | lang_statement_union_type *s)); | |
75 | static lang_input_statement_type *new_afile | |
76 | PARAMS ((const char *name, lang_input_file_enum_type file_type, | |
77 | const char *target)); | |
78 | static void print_flags PARAMS ((int *ignore_flags)); | |
79 | static void init_os PARAMS ((lang_output_section_statement_type *s)); | |
80 | static void wild_doit PARAMS ((lang_statement_list_type *ptr, | |
81 | asection *section, | |
82 | lang_output_section_statement_type *output, | |
83 | lang_input_statement_type *file)); | |
84 | static asection *our_bfd_get_section_by_name PARAMS ((bfd *abfd, | |
85 | const char *section)); | |
86 | static void wild_section PARAMS ((lang_wild_statement_type *ptr, | |
87 | const char *section, | |
88 | lang_input_statement_type *file, | |
89 | lang_output_section_statement_type *output)); | |
09a5aa5e KR |
90 | static lang_input_statement_type *lookup_name PARAMS ((const char *name, |
91 | int force_load)); | |
9f629407 ILT |
92 | static void wild PARAMS ((lang_wild_statement_type *s, |
93 | const char *section, const char *file, | |
94 | const char *target, | |
95 | lang_output_section_statement_type *output)); | |
96 | static bfd *open_output PARAMS ((const char *name)); | |
97 | static void ldlang_open_output PARAMS ((lang_statement_union_type *statement)); | |
98 | static void open_input_bfds PARAMS ((lang_statement_union_type *statement)); | |
99 | static void lang_reasonable_defaults PARAMS ((void)); | |
100 | static void lang_place_undefineds PARAMS ((void)); | |
101 | static void lang_create_output_section_statements PARAMS ((void)); | |
9f629407 ILT |
102 | static void map_input_to_output_sections |
103 | PARAMS ((lang_statement_union_type *s, | |
104 | const char *target, | |
105 | lang_output_section_statement_type *output_section_statement)); | |
106 | static void print_output_section_statement | |
107 | PARAMS ((lang_output_section_statement_type *output_section_statement)); | |
108 | static void print_assignment | |
109 | PARAMS ((lang_assignment_statement_type *assignment, | |
110 | lang_output_section_statement_type *output_section)); | |
111 | static void print_input_statement PARAMS ((lang_input_statement_type *statm)); | |
9f629407 ILT |
112 | static void print_input_section PARAMS ((lang_input_section_type *in)); |
113 | static void print_fill_statement PARAMS ((lang_fill_statement_type *fill)); | |
114 | static void print_data_statement PARAMS ((lang_data_statement_type *data)); | |
4fdbafb2 | 115 | static void print_reloc_statement PARAMS ((lang_reloc_statement_type *reloc)); |
9f629407 ILT |
116 | static void print_padding_statement PARAMS ((lang_padding_statement_type *s)); |
117 | static void print_wild_statement | |
118 | PARAMS ((lang_wild_statement_type *w, | |
119 | lang_output_section_statement_type *os)); | |
120 | static void print_statement PARAMS ((lang_statement_union_type *s, | |
121 | lang_output_section_statement_type *os)); | |
122 | static void print_statements PARAMS ((void)); | |
123 | static bfd_vma insert_pad PARAMS ((lang_statement_union_type **this_ptr, | |
124 | fill_type fill, unsigned int power, | |
125 | asection *output_section_statement, | |
126 | bfd_vma dot)); | |
127 | static bfd_vma size_input_section | |
128 | PARAMS ((lang_statement_union_type **this_ptr, | |
129 | lang_output_section_statement_type *output_section_statement, | |
c477527c | 130 | fill_type fill, bfd_vma dot, boolean relax)); |
9f629407 ILT |
131 | static bfd_vma lang_do_assignments |
132 | PARAMS ((lang_statement_union_type * s, | |
133 | lang_output_section_statement_type *output_section_statement, | |
c477527c | 134 | fill_type fill, |
9f629407 | 135 | bfd_vma dot)); |
9f629407 ILT |
136 | static void lang_finish PARAMS ((void)); |
137 | static void lang_check PARAMS ((void)); | |
138 | static void lang_common PARAMS ((void)); | |
c477527c | 139 | static boolean lang_one_common PARAMS ((struct bfd_link_hash_entry *, PTR)); |
9f629407 ILT |
140 | static void lang_place_orphans PARAMS ((void)); |
141 | static int topower PARAMS ((int)); | |
142 | static void reset_memory_regions PARAMS ((void)); | |
143 | ||
2fa0b342 | 144 | /* EXPORTS */ |
ffc50032 | 145 | lang_output_section_statement_type *abs_output_section; |
d4c02e29 | 146 | lang_statement_list_type *stat_ptr = &statement_list; |
075d7359 SC |
147 | lang_statement_list_type file_chain = |
148 | {0}; | |
d4c02e29 | 149 | CONST char *entry_symbol = 0; |
d4c02e29 | 150 | boolean lang_has_input_file = false; |
d4c02e29 SC |
151 | boolean had_output_filename = false; |
152 | boolean lang_float_flag = false; | |
97fbbaca | 153 | boolean delete_output_file_on_failure = false; |
075d7359 | 154 | |
9fce28ed SC |
155 | etree_type *base; /* Relocation base - or null */ |
156 | ||
157 | ||
b897ed67 | 158 | #if defined(__STDC__) || defined(ALMOST_STDC) |
2fa0b342 DHW |
159 | #define cat(a,b) a##b |
160 | #else | |
161 | #define cat(a,b) a/**/b | |
162 | #endif | |
163 | ||
164 | #define new_stat(x,y) (cat(x,_type)*) new_statement(cat(x,_enum), sizeof(cat(x,_type)),y) | |
165 | ||
166 | #define outside_section_address(q) ( (q)->output_offset + (q)->output_section->vma) | |
167 | ||
168 | #define outside_symbol_address(q) ((q)->value + outside_section_address(q->section)) | |
169 | ||
bfbdc80f | 170 | PTR |
8ddef552 DM |
171 | stat_alloc (size) |
172 | size_t size; | |
bfbdc80f | 173 | { |
075d7359 | 174 | return obstack_alloc (&stat_obstack, size); |
bfbdc80f | 175 | } |
9f629407 | 176 | |
075d7359 | 177 | static void |
8ddef552 DM |
178 | print_size (value) |
179 | size_t value; | |
3f8d46e7 | 180 | { |
075d7359 | 181 | fprintf (config.map_file, "%5x", (unsigned) value); |
3f8d46e7 | 182 | } |
9f629407 | 183 | |
075d7359 | 184 | static void |
8ddef552 DM |
185 | print_alignment (value) |
186 | unsigned int value; | |
3f8d46e7 | 187 | { |
075d7359 | 188 | fprintf (config.map_file, "2**%1u", value); |
3f8d46e7 | 189 | } |
9f629407 | 190 | |
075d7359 | 191 | static void |
9f629407 ILT |
192 | print_fill (value) |
193 | fill_type value; | |
3f8d46e7 | 194 | { |
075d7359 | 195 | fprintf (config.map_file, "%04x", (unsigned) value); |
3f8d46e7 JG |
196 | } |
197 | ||
075d7359 | 198 | static void |
8ddef552 | 199 | print_section (name) |
9f629407 | 200 | CONST char *name; |
3f8d46e7 | 201 | { |
075d7359 | 202 | fprintf (config.map_file, "%*s", -longest_section_name, name); |
3f8d46e7 | 203 | } |
2fa0b342 | 204 | |
1418c83b SC |
205 | /*---------------------------------------------------------------------- |
206 | lang_for_each_statement walks the parse tree and calls the provided | |
207 | function for each node | |
208 | */ | |
209 | ||
075d7359 | 210 | static void |
8ddef552 | 211 | lang_for_each_statement_worker (func, s) |
c477527c | 212 | void (*func) PARAMS ((lang_statement_union_type *)); |
8ddef552 | 213 | lang_statement_union_type *s; |
1418c83b | 214 | { |
075d7359 SC |
215 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
216 | { | |
217 | func (s); | |
1418c83b | 218 | |
075d7359 SC |
219 | switch (s->header.type) |
220 | { | |
81016051 | 221 | case lang_constructors_statement_enum: |
075d7359 | 222 | lang_for_each_statement_worker (func, constructor_list.head); |
81016051 | 223 | break; |
1418c83b SC |
224 | case lang_output_section_statement_enum: |
225 | lang_for_each_statement_worker | |
075d7359 | 226 | (func, |
1418c83b SC |
227 | s->output_section_statement.children.head); |
228 | break; | |
229 | case lang_wild_statement_enum: | |
230 | lang_for_each_statement_worker | |
075d7359 | 231 | (func, |
1418c83b SC |
232 | s->wild_statement.children.head); |
233 | break; | |
234 | case lang_data_statement_enum: | |
4fdbafb2 | 235 | case lang_reloc_statement_enum: |
1418c83b SC |
236 | case lang_object_symbols_statement_enum: |
237 | case lang_output_statement_enum: | |
238 | case lang_target_statement_enum: | |
239 | case lang_input_section_enum: | |
240 | case lang_input_statement_enum: | |
1418c83b SC |
241 | case lang_assignment_statement_enum: |
242 | case lang_padding_statement_enum: | |
243 | case lang_address_statement_enum: | |
244 | break; | |
245 | default: | |
075d7359 | 246 | FAIL (); |
1418c83b SC |
247 | break; |
248 | } | |
075d7359 | 249 | } |
1418c83b SC |
250 | } |
251 | ||
252 | void | |
8ddef552 | 253 | lang_for_each_statement (func) |
c477527c | 254 | void (*func) PARAMS ((lang_statement_union_type *)); |
1418c83b | 255 | { |
075d7359 SC |
256 | lang_for_each_statement_worker (func, |
257 | statement_list.head); | |
1418c83b | 258 | } |
075d7359 | 259 | |
1418c83b | 260 | /*----------------------------------------------------------------------*/ |
075d7359 | 261 | void |
8ddef552 DM |
262 | lang_list_init (list) |
263 | lang_statement_list_type *list; | |
2fa0b342 | 264 | { |
075d7359 SC |
265 | list->head = (lang_statement_union_type *) NULL; |
266 | list->tail = &list->head; | |
2fa0b342 DHW |
267 | } |
268 | ||
1418c83b | 269 | /*---------------------------------------------------------------------- |
075d7359 | 270 | |
1418c83b SC |
271 | build a new statement node for the parse tree |
272 | ||
273 | */ | |
2fa0b342 DHW |
274 | |
275 | static | |
075d7359 | 276 | lang_statement_union_type * |
8ddef552 DM |
277 | new_statement (type, size, list) |
278 | enum statement_enum type; | |
5af8e9d6 | 279 | size_t size; |
8ddef552 | 280 | lang_statement_list_type * list; |
2fa0b342 DHW |
281 | { |
282 | lang_statement_union_type *new = (lang_statement_union_type *) | |
075d7359 SC |
283 | stat_alloc (size); |
284 | ||
2fa0b342 | 285 | new->header.type = type; |
075d7359 SC |
286 | new->header.next = (lang_statement_union_type *) NULL; |
287 | lang_statement_append (list, new, &new->header.next); | |
2fa0b342 DHW |
288 | return new; |
289 | } | |
290 | ||
1418c83b SC |
291 | /* |
292 | Build a new input file node for the language. There are several ways | |
293 | in which we treat an input file, eg, we only look at symbols, or | |
294 | prefix it with a -l etc. | |
295 | ||
296 | We can be supplied with requests for input files more than once; | |
297 | they may, for example be split over serveral lines like foo.o(.text) | |
298 | foo.o(.data) etc, so when asked for a file we check that we havn't | |
299 | got it already so we don't duplicate the bfd. | |
300 | ||
301 | */ | |
2fa0b342 | 302 | static lang_input_statement_type * |
8ddef552 | 303 | new_afile (name, file_type, target) |
9f629407 ILT |
304 | CONST char *name; |
305 | lang_input_file_enum_type file_type; | |
306 | CONST char *target; | |
2fa0b342 | 307 | { |
dc4726c2 | 308 | |
075d7359 SC |
309 | lang_input_statement_type *p = new_stat (lang_input_statement, |
310 | stat_ptr); | |
311 | ||
2fa0b342 DHW |
312 | lang_has_input_file = true; |
313 | p->target = target; | |
ee4af9e8 | 314 | p->complained = false; |
075d7359 SC |
315 | switch (file_type) |
316 | { | |
317 | case lang_input_file_is_symbols_only_enum: | |
318 | p->filename = name; | |
319 | p->is_archive = false; | |
320 | p->real = true; | |
321 | p->local_sym_name = name; | |
322 | p->just_syms_flag = true; | |
323 | p->search_dirs_flag = false; | |
324 | break; | |
325 | case lang_input_file_is_fake_enum: | |
326 | p->filename = name; | |
327 | p->is_archive = false; | |
328 | p->real = false; | |
329 | p->local_sym_name = name; | |
330 | p->just_syms_flag = false; | |
331 | p->search_dirs_flag = false; | |
332 | break; | |
333 | case lang_input_file_is_l_enum: | |
334 | p->is_archive = true; | |
335 | p->filename = name; | |
336 | p->real = true; | |
ef76742f | 337 | p->local_sym_name = concat ("-l", name, (const char *) NULL); |
075d7359 SC |
338 | p->just_syms_flag = false; |
339 | p->search_dirs_flag = true; | |
340 | break; | |
341 | case lang_input_file_is_search_file_enum: | |
342 | case lang_input_file_is_marker_enum: | |
343 | p->filename = name; | |
344 | p->is_archive = false; | |
345 | p->real = true; | |
346 | p->local_sym_name = name; | |
347 | p->just_syms_flag = false; | |
348 | p->search_dirs_flag = true; | |
349 | break; | |
350 | case lang_input_file_is_file_enum: | |
351 | p->filename = name; | |
352 | p->is_archive = false; | |
353 | p->real = true; | |
354 | p->local_sym_name = name; | |
355 | p->just_syms_flag = false; | |
356 | p->search_dirs_flag = false; | |
357 | break; | |
358 | default: | |
359 | FAIL (); | |
360 | } | |
361 | p->asymbols = (asymbol **) NULL; | |
362 | p->superfile = (lang_input_statement_type *) NULL; | |
363 | p->next_real_file = (lang_statement_union_type *) NULL; | |
364 | p->next = (lang_statement_union_type *) NULL; | |
2fa0b342 | 365 | p->symbol_count = 0; |
075d7359 | 366 | p->common_output_section = (asection *) NULL; |
5e6cd559 | 367 | p->loaded = false; |
075d7359 SC |
368 | lang_statement_append (&input_file_chain, |
369 | (lang_statement_union_type *) p, | |
370 | &p->next_real_file); | |
2fa0b342 DHW |
371 | return p; |
372 | } | |
373 | ||
374 | lang_input_statement_type * | |
8ddef552 DM |
375 | lang_add_input_file (name, file_type, target) |
376 | CONST char *name; | |
377 | lang_input_file_enum_type file_type; | |
378 | CONST char *target; | |
2fa0b342 DHW |
379 | { |
380 | /* Look it up or build a new one */ | |
1418c83b | 381 | lang_has_input_file = true; |
a4aeaacf | 382 | |
1418c83b | 383 | #if 0 |
2fa0b342 DHW |
384 | lang_input_statement_type *p; |
385 | ||
075d7359 SC |
386 | for (p = (lang_input_statement_type *) input_file_chain.head; |
387 | p != (lang_input_statement_type *) NULL; | |
388 | p = (lang_input_statement_type *) (p->next_real_file)) | |
389 | { | |
390 | /* Sometimes we have incomplete entries in here */ | |
391 | if (p->filename != (char *) NULL) | |
392 | { | |
393 | if (strcmp (name, p->filename) == 0) | |
394 | return p; | |
1418c83b | 395 | } |
075d7359 SC |
396 | |
397 | } | |
1418c83b | 398 | #endif |
075d7359 | 399 | return new_afile (name, file_type, target); |
2fa0b342 DHW |
400 | } |
401 | ||
1418c83b | 402 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 403 | void |
8ddef552 | 404 | lang_init () |
2fa0b342 | 405 | { |
075d7359 | 406 | obstack_begin (&stat_obstack, 1000); |
2fa0b342 | 407 | |
075d7359 | 408 | stat_ptr = &statement_list; |
bfbdc80f | 409 | |
075d7359 | 410 | lang_list_init (stat_ptr); |
2fa0b342 | 411 | |
075d7359 SC |
412 | lang_list_init (&input_file_chain); |
413 | lang_list_init (&lang_output_section_statement); | |
414 | lang_list_init (&file_chain); | |
415 | first_file = lang_add_input_file ((char *) NULL, | |
416 | lang_input_file_is_marker_enum, | |
417 | (char *) NULL); | |
418 | abs_output_section = lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 419 | |
bfbdc80f | 420 | abs_output_section->bfd_section = &bfd_abs_section; |
9d1fe8a4 | 421 | |
2fa0b342 DHW |
422 | } |
423 | ||
1418c83b | 424 | /*---------------------------------------------------------------------- |
075d7359 SC |
425 | A region is an area of memory declared with the |
426 | MEMORY { name:org=exp, len=exp ... } | |
427 | syntax. | |
2fa0b342 | 428 | |
1418c83b | 429 | We maintain a list of all the regions here |
2fa0b342 | 430 | |
1418c83b SC |
431 | If no regions are specified in the script, then the default is used |
432 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
433 | */ |
434 | ||
435 | static lang_memory_region_type *lang_memory_region_list; | |
436 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
437 | ||
438 | lang_memory_region_type * | |
8ddef552 DM |
439 | lang_memory_region_lookup (name) |
440 | CONST char *CONST name; | |
2fa0b342 DHW |
441 | { |
442 | ||
075d7359 SC |
443 | lang_memory_region_type *p = lang_memory_region_list; |
444 | ||
1418c83b | 445 | for (p = lang_memory_region_list; |
075d7359 SC |
446 | p != (lang_memory_region_type *) NULL; |
447 | p = p->next) | |
448 | { | |
449 | if (strcmp (p->name, name) == 0) | |
450 | { | |
451 | return p; | |
452 | } | |
2fa0b342 | 453 | } |
075d7359 | 454 | if (strcmp (name, "*default*") == 0) |
2fa0b342 | 455 | { |
075d7359 SC |
456 | /* This is the default region, dig out first one on the list */ |
457 | if (lang_memory_region_list != (lang_memory_region_type *) NULL) | |
458 | { | |
459 | return lang_memory_region_list; | |
460 | } | |
2fa0b342 | 461 | } |
075d7359 SC |
462 | { |
463 | lang_memory_region_type *new = | |
464 | (lang_memory_region_type *) stat_alloc ((bfd_size_type) (sizeof (lang_memory_region_type))); | |
465 | ||
466 | new->name = buystring (name); | |
467 | new->next = (lang_memory_region_type *) NULL; | |
468 | ||
469 | *lang_memory_region_list_tail = new; | |
470 | lang_memory_region_list_tail = &new->next; | |
471 | new->origin = 0; | |
8ddef552 | 472 | new->length = ~(bfd_size_type)0; |
075d7359 SC |
473 | new->current = 0; |
474 | new->had_full_message = false; | |
475 | ||
476 | return new; | |
477 | } | |
2fa0b342 DHW |
478 | } |
479 | ||
480 | ||
2fa0b342 | 481 | lang_output_section_statement_type * |
8ddef552 DM |
482 | lang_output_section_find (name) |
483 | CONST char *CONST name; | |
2fa0b342 DHW |
484 | { |
485 | lang_statement_union_type *u; | |
486 | lang_output_section_statement_type *lookup; | |
487 | ||
488 | for (u = lang_output_section_statement.head; | |
075d7359 | 489 | u != (lang_statement_union_type *) NULL; |
2fa0b342 | 490 | u = lookup->next) |
075d7359 SC |
491 | { |
492 | lookup = &u->output_section_statement; | |
493 | if (strcmp (name, lookup->name) == 0) | |
494 | { | |
1418c83b SC |
495 | return lookup; |
496 | } | |
075d7359 SC |
497 | } |
498 | return (lang_output_section_statement_type *) NULL; | |
2fa0b342 DHW |
499 | } |
500 | ||
501 | lang_output_section_statement_type * | |
8ddef552 DM |
502 | lang_output_section_statement_lookup (name) |
503 | CONST char *CONST name; | |
2fa0b342 DHW |
504 | { |
505 | lang_output_section_statement_type *lookup; | |
2fa0b342 | 506 | |
075d7359 SC |
507 | lookup = lang_output_section_find (name); |
508 | if (lookup == (lang_output_section_statement_type *) NULL) | |
509 | { | |
2fa0b342 | 510 | |
075d7359 SC |
511 | lookup = (lang_output_section_statement_type *) |
512 | new_stat (lang_output_section_statement, stat_ptr); | |
513 | lookup->region = (lang_memory_region_type *) NULL; | |
514 | lookup->fill = 0; | |
515 | lookup->block_value = 1; | |
516 | lookup->name = name; | |
517 | ||
518 | lookup->next = (lang_statement_union_type *) NULL; | |
519 | lookup->bfd_section = (asection *) NULL; | |
520 | lookup->processed = false; | |
ae475b39 | 521 | lookup->loadable = 1; |
075d7359 SC |
522 | lookup->addr_tree = (etree_type *) NULL; |
523 | lang_list_init (&lookup->children); | |
524 | ||
1b8a42f3 ILT |
525 | lookup->memspec = (CONST char *) NULL; |
526 | lookup->flags = 0; | |
527 | lookup->subsection_alignment = -1; | |
528 | lookup->section_alignment = -1; | |
529 | lookup->load_base = (union etree_union *) NULL; | |
530 | ||
075d7359 SC |
531 | lang_statement_append (&lang_output_section_statement, |
532 | (lang_statement_union_type *) lookup, | |
533 | &lookup->next); | |
534 | } | |
535 | return lookup; | |
536 | } | |
2fa0b342 | 537 | |
9d1fe8a4 | 538 | /*ARGSUSED*/ |
2fa0b342 | 539 | static void |
8ddef552 DM |
540 | print_flags (ignore_flags) |
541 | int *ignore_flags; | |
2fa0b342 | 542 | { |
075d7359 | 543 | fprintf (config.map_file, "("); |
2fa0b342 | 544 | #if 0 |
075d7359 SC |
545 | if (flags->flag_read) |
546 | fprintf (outfile, "R"); | |
547 | if (flags->flag_write) | |
548 | fprintf (outfile, "W"); | |
549 | if (flags->flag_executable) | |
550 | fprintf (outfile, "X"); | |
551 | if (flags->flag_loadable) | |
552 | fprintf (outfile, "L"); | |
2fa0b342 | 553 | #endif |
ae475b39 | 554 | fprintf (config.map_file, ")"); |
2fa0b342 DHW |
555 | } |
556 | ||
557 | void | |
8ddef552 | 558 | lang_map () |
2fa0b342 DHW |
559 | { |
560 | lang_memory_region_type *m; | |
075d7359 SC |
561 | |
562 | fprintf (config.map_file, "**MEMORY CONFIGURATION**\n\n"); | |
48491e2e | 563 | #ifdef HOST_64_BIT |
075d7359 | 564 | fprintf (config.map_file, "name\t\torigin\t\tlength\t\tattributes\n"); |
48491e2e | 565 | #else |
ae475b39 SC |
566 | fprintf (config.map_file, |
567 | "name\t\torigin length r_size c_size is attributes\n"); | |
568 | ||
48491e2e | 569 | #endif |
2fa0b342 | 570 | for (m = lang_memory_region_list; |
075d7359 SC |
571 | m != (lang_memory_region_type *) NULL; |
572 | m = m->next) | |
2fa0b342 | 573 | { |
075d7359 SC |
574 | fprintf (config.map_file, "%-16s", m->name); |
575 | print_address (m->origin); | |
576 | print_space (); | |
8ddef552 | 577 | print_address ((bfd_vma)m->length); |
075d7359 | 578 | print_space (); |
8ddef552 | 579 | print_address ((bfd_vma)m->old_length); |
ae475b39 SC |
580 | print_space(); |
581 | print_address (m->current - m->origin); | |
582 | print_space(); | |
583 | if (m->old_length) | |
fcf276c4 ILT |
584 | fprintf (config.map_file, " %2d%% ", |
585 | (int) ((m->current - m->origin) * 100 / m->old_length)); | |
075d7359 SC |
586 | print_flags (&m->flags); |
587 | fprintf (config.map_file, "\n"); | |
2fa0b342 | 588 | } |
075d7359 SC |
589 | fprintf (config.map_file, "\n\n**LINK EDITOR MEMORY MAP**\n\n"); |
590 | fprintf (config.map_file, "output input virtual\n"); | |
591 | fprintf (config.map_file, "section section address tsize\n\n"); | |
2fa0b342 | 592 | |
075d7359 | 593 | print_statements (); |
2fa0b342 DHW |
594 | |
595 | } | |
596 | ||
597 | /* | |
598 | * | |
599 | */ | |
075d7359 | 600 | static void |
8ddef552 DM |
601 | init_os (s) |
602 | lang_output_section_statement_type * s; | |
2fa0b342 | 603 | { |
9d1fe8a4 SC |
604 | /* asection *section = bfd_get_section_by_name(output_bfd, s->name);*/ |
605 | section_userdata_type *new = | |
075d7359 SC |
606 | (section_userdata_type *) |
607 | stat_alloc ((bfd_size_type) (sizeof (section_userdata_type))); | |
608 | ||
609 | s->bfd_section = bfd_get_section_by_name (output_bfd, s->name); | |
610 | if (s->bfd_section == (asection *) NULL) | |
611 | s->bfd_section = bfd_make_section (output_bfd, s->name); | |
612 | if (s->bfd_section == (asection *) NULL) | |
613 | { | |
ddddcdf0 | 614 | einfo ("%P%F: output format %s cannot represent section called %s\n", |
075d7359 | 615 | output_bfd->xvec->name, s->name); |
9d1fe8a4 | 616 | } |
2fa0b342 | 617 | s->bfd_section->output_section = s->bfd_section; |
ae475b39 | 618 | /* s->bfd_section->flags = s->flags;*/ |
7bc4a0d7 | 619 | |
2fa0b342 DHW |
620 | /* We initialize an output sections output offset to minus its own */ |
621 | /* vma to allow us to output a section through itself */ | |
622 | s->bfd_section->output_offset = 0; | |
075d7359 | 623 | get_userdata (s->bfd_section) = (PTR) new; |
c611e285 | 624 | |
2fa0b342 DHW |
625 | } |
626 | ||
1418c83b SC |
627 | /*********************************************************************** |
628 | The wild routines. | |
629 | ||
630 | These expand statements like *(.text) and foo.o to a list of | |
631 | explicit actions, like foo.o(.text), bar.o(.text) and | |
632 | foo.o(.text,.data) . | |
633 | ||
634 | The toplevel routine, wild, takes a statement, section, file and | |
635 | target. If either the section or file is null it is taken to be the | |
636 | wildcard. Seperate lang_input_section statements are created for | |
637 | each part of the expanstion, and placed after the statement provided. | |
638 | ||
639 | */ | |
075d7359 | 640 | |
2fa0b342 | 641 | static void |
8ddef552 DM |
642 | wild_doit (ptr, section, output, file) |
643 | lang_statement_list_type * ptr; | |
644 | asection * section; | |
645 | lang_output_section_statement_type * output; | |
646 | lang_input_statement_type * file; | |
2fa0b342 | 647 | { |
075d7359 | 648 | if (output->bfd_section == (asection *) NULL) |
ae475b39 SC |
649 | { |
650 | init_os (output); | |
e9b63852 ILT |
651 | /* Initialize the vma and size to the existing section. This will |
652 | be overriden in lang_size_sections unless SEC_NEVER_LOAD gets | |
653 | set. */ | |
654 | if (section != (asection *) NULL) | |
655 | { | |
656 | bfd_set_section_vma (0, output->bfd_section, | |
657 | bfd_section_vma (0, section)); | |
658 | output->bfd_section->_raw_size = section->_raw_size; | |
659 | } | |
ae475b39 | 660 | } |
2fa0b342 | 661 | |
075d7359 SC |
662 | if (section != (asection *) NULL |
663 | && section->output_section == (asection *) NULL) | |
ae475b39 SC |
664 | { |
665 | /* Add a section reference to the list */ | |
666 | lang_input_section_type *new = new_stat (lang_input_section, ptr); | |
667 | ||
668 | new->section = section; | |
669 | new->ifile = file; | |
670 | section->output_section = output->bfd_section; | |
29f33467 SC |
671 | |
672 | /* Be selective about what the output section inherits from the | |
673 | input section */ | |
674 | ||
8ddef552 DM |
675 | if ((section->flags & SEC_SHARED_LIBRARY) != 0) |
676 | section->output_section->flags |= section->flags; | |
677 | else | |
9f629407 ILT |
678 | section->output_section->flags |= |
679 | section->flags & (flagword) (~ SEC_NEVER_LOAD); | |
29f33467 | 680 | |
ae475b39 | 681 | if (!output->loadable) |
075d7359 | 682 | { |
29f33467 | 683 | /* Turn off load flag */ |
ae475b39 | 684 | output->bfd_section->flags &= ~SEC_LOAD; |
29f33467 | 685 | output->bfd_section->flags |= SEC_NEVER_LOAD; |
ae475b39 SC |
686 | } |
687 | if (section->alignment_power > output->bfd_section->alignment_power) | |
688 | { | |
689 | output->bfd_section->alignment_power = section->alignment_power; | |
075d7359 | 690 | } |
e20873a7 JG |
691 | /* If supplied an aligmnet, then force it */ |
692 | if (output->section_alignment != -1) | |
693 | { | |
694 | output->bfd_section->alignment_power = output->section_alignment; | |
695 | } | |
ae475b39 | 696 | } |
2fa0b342 DHW |
697 | } |
698 | ||
699 | static asection * | |
8ddef552 DM |
700 | our_bfd_get_section_by_name (abfd, section) |
701 | bfd * abfd; | |
702 | CONST char *section; | |
2fa0b342 | 703 | { |
075d7359 | 704 | return bfd_get_section_by_name (abfd, section); |
2fa0b342 | 705 | } |
1418c83b | 706 | |
075d7359 | 707 | static void |
8ddef552 DM |
708 | wild_section (ptr, section, file, output) |
709 | lang_wild_statement_type * ptr; | |
710 | CONST char *section; | |
711 | lang_input_statement_type * file; | |
712 | lang_output_section_statement_type * output; | |
2fa0b342 DHW |
713 | { |
714 | asection *s; | |
075d7359 SC |
715 | |
716 | if (file->just_syms_flag == false) | |
717 | { | |
718 | if (section == (char *) NULL) | |
719 | { | |
720 | /* Do the creation to all sections in the file */ | |
721 | for (s = file->the_bfd->sections; s != (asection *) NULL; s = s->next) | |
29f33467 SC |
722 | { |
723 | /* except for bss */ | |
724 | if ((s->flags & SEC_IS_COMMON) == 0) | |
075d7359 SC |
725 | { |
726 | wild_doit (&ptr->children, s, output, file); | |
727 | } | |
29f33467 | 728 | } |
075d7359 SC |
729 | } |
730 | else | |
731 | { | |
732 | /* Do the creation to the named section only */ | |
733 | wild_doit (&ptr->children, | |
734 | our_bfd_get_section_by_name (file->the_bfd, section), | |
735 | output, file); | |
736 | } | |
2fa0b342 | 737 | } |
2fa0b342 DHW |
738 | } |
739 | ||
1418c83b SC |
740 | /* passed a file name (which must have been seen already and added to |
741 | the statement tree. We will see if it has been opened already and | |
742 | had its symbols read. If not then we'll read it. | |
2fa0b342 | 743 | |
1418c83b SC |
744 | Archives are pecuilar here. We may open them once, but if they do |
745 | not define anything we need at the time, they won't have all their | |
746 | symbols read. If we need them later, we'll have to redo it. | |
747 | */ | |
2fa0b342 | 748 | static |
1418c83b | 749 | lang_input_statement_type * |
09a5aa5e | 750 | lookup_name (name, force_load) |
9f629407 | 751 | CONST char *name; |
09a5aa5e | 752 | int force_load; |
2fa0b342 DHW |
753 | { |
754 | lang_input_statement_type *search; | |
075d7359 SC |
755 | |
756 | for (search = (lang_input_statement_type *) input_file_chain.head; | |
757 | search != (lang_input_statement_type *) NULL; | |
758 | search = (lang_input_statement_type *) search->next_real_file) | |
759 | { | |
760 | if (search->filename == (char *) NULL && name == (char *) NULL) | |
c477527c ILT |
761 | return search; |
762 | if (search->filename != (char *) NULL | |
763 | && name != (char *) NULL | |
764 | && strcmp (search->filename, name) == 0) | |
765 | break; | |
075d7359 | 766 | } |
2fa0b342 | 767 | |
c477527c ILT |
768 | if (search == (lang_input_statement_type *) NULL) |
769 | { | |
770 | /* There isn't an afile entry for this file yet, this must be | |
771 | because the name has only appeared inside a load script and | |
772 | not on the command line */ | |
773 | search = new_afile (name, lang_input_file_is_file_enum, default_target); | |
774 | } | |
775 | ||
5e6cd559 ILT |
776 | /* If we have already added this file, or this file is not real |
777 | (FIXME: can that ever actually happen?) or the name is NULL | |
778 | (FIXME: can that ever actually happen?) don't add this file. */ | |
09a5aa5e | 779 | if ((search->loaded && ! force_load) |
5e6cd559 ILT |
780 | || ! search->real |
781 | || search->filename == (const char *) NULL) | |
782 | return search; | |
4fdbafb2 ILT |
783 | /* start-sanitize-mpw */ |
784 | #ifdef MPW | |
785 | /* I hate adding code that works, but for reasons I don't know. */ | |
786 | search->the_bfd = NULL; | |
787 | #endif | |
788 | /* end-sanitize-mpw */ | |
5e6cd559 | 789 | |
c477527c ILT |
790 | ldfile_open_file (search); |
791 | ||
792 | if (bfd_check_format (search->the_bfd, bfd_object)) | |
5e6cd559 ILT |
793 | { |
794 | ldlang_add_file (search); | |
795 | if (trace_files || trace_file_tries) | |
796 | info_msg ("%I\n", search); | |
797 | } | |
c477527c ILT |
798 | else if (bfd_check_format (search->the_bfd, bfd_archive)) |
799 | { | |
800 | /* There is nothing to do here; the add_symbols routine will | |
801 | call ldlang_add_file (via the add_archive_element callback) | |
802 | for each element of the archive which is used. */ | |
803 | } | |
804 | else | |
805 | einfo ("%F%B: file not recognized: %E\n", search->the_bfd); | |
1418c83b | 806 | |
c477527c ILT |
807 | if (bfd_link_add_symbols (search->the_bfd, &link_info) == false) |
808 | einfo ("%F%B: could not read symbols: %E\n", search->the_bfd); | |
1418c83b | 809 | |
5e6cd559 ILT |
810 | search->loaded = true; |
811 | ||
c477527c | 812 | return search; |
2fa0b342 DHW |
813 | } |
814 | ||
815 | static void | |
8ddef552 DM |
816 | wild (s, section, file, target, output) |
817 | lang_wild_statement_type * s; | |
9f629407 ILT |
818 | CONST char *section; |
819 | CONST char *file; | |
820 | CONST char *target; | |
8ddef552 | 821 | lang_output_section_statement_type * output; |
2fa0b342 DHW |
822 | { |
823 | lang_input_statement_type *f; | |
075d7359 SC |
824 | |
825 | if (file == (char *) NULL) | |
826 | { | |
827 | /* Perform the iteration over all files in the list */ | |
828 | for (f = (lang_input_statement_type *) file_chain.head; | |
829 | f != (lang_input_statement_type *) NULL; | |
830 | f = (lang_input_statement_type *) f->next) | |
831 | { | |
832 | wild_section (s, section, f, output); | |
833 | } | |
834 | } | |
835 | else | |
836 | { | |
837 | /* Perform the iteration over a single file */ | |
09a5aa5e | 838 | wild_section (s, section, lookup_name (file, 0), output); |
075d7359 SC |
839 | } |
840 | if (section != (char *) NULL | |
841 | && strcmp (section, "COMMON") == 0 | |
842 | && default_common_section == (lang_output_section_statement_type *) NULL) | |
843 | { | |
844 | /* Remember the section that common is going to incase we later | |
845 | get something which doesn't know where to put it */ | |
846 | default_common_section = output; | |
2fa0b342 | 847 | } |
2fa0b342 DHW |
848 | } |
849 | ||
850 | /* | |
075d7359 | 851 | read in all the files |
2fa0b342 | 852 | */ |
97fbbaca | 853 | |
075d7359 | 854 | static bfd * |
8ddef552 | 855 | open_output (name) |
9f629407 | 856 | CONST char *name; |
2fa0b342 | 857 | { |
097879bc | 858 | bfd *output; |
097879bc | 859 | |
075d7359 | 860 | if (output_target == (char *) NULL) |
ae475b39 SC |
861 | { |
862 | if (current_target != (char *) NULL) | |
863 | output_target = current_target; | |
864 | else | |
865 | output_target = default_target; | |
866 | } | |
075d7359 | 867 | output = bfd_openw (name, output_target); |
075d7359 SC |
868 | |
869 | if (output == (bfd *) NULL) | |
870 | { | |
5bcb7f28 | 871 | if (bfd_get_error () == bfd_error_invalid_target) |
ae475b39 | 872 | { |
ddddcdf0 | 873 | einfo ("%P%F: target %s not found\n", output_target); |
ae475b39 | 874 | } |
ddddcdf0 | 875 | einfo ("%P%F: cannot open output file %s: %E\n", name); |
075d7359 | 876 | } |
30d1a390 | 877 | |
97fbbaca JL |
878 | delete_output_file_on_failure = 1; |
879 | ||
30d1a390 | 880 | /* output->flags |= D_PAGED;*/ |
075d7359 | 881 | |
ddddcdf0 ILT |
882 | if (! bfd_set_format (output, bfd_object)) |
883 | einfo ("%P%F:%s: can not make object file: %E\n", name); | |
884 | if (! bfd_set_arch_mach (output, | |
885 | ldfile_output_architecture, | |
886 | ldfile_output_machine)) | |
887 | einfo ("%P%F:%s: can not set architecture: %E\n", name); | |
888 | ||
c477527c ILT |
889 | link_info.hash = bfd_link_hash_table_create (output); |
890 | if (link_info.hash == (struct bfd_link_hash_table *) NULL) | |
891 | einfo ("%P%F: can not create link hash table: %E\n"); | |
892 | ||
1b8a42f3 | 893 | bfd_set_gp_size (output, g_switch_value); |
2fa0b342 DHW |
894 | return output; |
895 | } | |
1418c83b SC |
896 | |
897 | ||
097879bc | 898 | |
1418c83b | 899 | |
2fa0b342 | 900 | static void |
8ddef552 DM |
901 | ldlang_open_output (statement) |
902 | lang_statement_union_type * statement; | |
2fa0b342 | 903 | { |
075d7359 SC |
904 | switch (statement->header.type) |
905 | { | |
c477527c ILT |
906 | case lang_output_statement_enum: |
907 | ASSERT (output_bfd == (bfd *) NULL); | |
075d7359 SC |
908 | output_bfd = open_output (statement->output_statement.name); |
909 | ldemul_set_output_arch (); | |
c477527c | 910 | if (config.magic_demand_paged && !link_info.relocateable) |
075d7359 SC |
911 | output_bfd->flags |= D_PAGED; |
912 | else | |
913 | output_bfd->flags &= ~D_PAGED; | |
914 | if (config.text_read_only) | |
915 | output_bfd->flags |= WP_TEXT; | |
916 | else | |
917 | output_bfd->flags &= ~WP_TEXT; | |
918 | break; | |
1418c83b | 919 | |
075d7359 SC |
920 | case lang_target_statement_enum: |
921 | current_target = statement->target_statement.target; | |
922 | break; | |
923 | default: | |
924 | break; | |
925 | } | |
1418c83b | 926 | } |
2fa0b342 | 927 | |
1418c83b | 928 | static void |
8ddef552 DM |
929 | open_input_bfds (statement) |
930 | lang_statement_union_type * statement; | |
1418c83b | 931 | { |
075d7359 SC |
932 | switch (statement->header.type) |
933 | { | |
1418c83b | 934 | case lang_target_statement_enum: |
075d7359 SC |
935 | current_target = statement->target_statement.target; |
936 | break; | |
937 | case lang_wild_statement_enum: | |
938 | /* Maybe we should load the file's symbols */ | |
939 | if (statement->wild_statement.filename) | |
940 | { | |
09a5aa5e | 941 | (void) lookup_name (statement->wild_statement.filename, 1); |
075d7359 SC |
942 | } |
943 | break; | |
944 | case lang_input_statement_enum: | |
945 | if (statement->input_statement.real == true) | |
946 | { | |
947 | statement->input_statement.target = current_target; | |
09a5aa5e | 948 | lookup_name (statement->input_statement.filename, 1); |
075d7359 SC |
949 | } |
950 | break; | |
951 | default: | |
952 | break; | |
953 | } | |
2fa0b342 | 954 | } |
075d7359 | 955 | |
2fa0b342 DHW |
956 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
957 | ||
958 | static void | |
075d7359 | 959 | lang_reasonable_defaults () |
2fa0b342 | 960 | { |
1418c83b | 961 | #if 0 |
075d7359 SC |
962 | lang_output_section_statement_lookup (".text"); |
963 | lang_output_section_statement_lookup (".data"); | |
8cb5eb31 | 964 | |
075d7359 SC |
965 | default_common_section = |
966 | lang_output_section_statement_lookup (".bss"); | |
8cb5eb31 | 967 | |
1418c83b | 968 | |
075d7359 SC |
969 | if (placed_commons == false) |
970 | { | |
971 | lang_wild_statement_type *new = | |
972 | new_stat (lang_wild_statement, | |
973 | &default_common_section->children); | |
974 | ||
975 | new->section_name = "COMMON"; | |
976 | new->filename = (char *) NULL; | |
977 | lang_list_init (&new->children); | |
978 | } | |
1418c83b | 979 | #endif |
8cb5eb31 | 980 | |
2fa0b342 DHW |
981 | } |
982 | ||
1418c83b SC |
983 | /* |
984 | Add the supplied name to the symbol table as an undefined reference. | |
985 | Remove items from the chain as we open input bfds | |
986 | */ | |
075d7359 SC |
987 | typedef struct ldlang_undef_chain_list |
988 | { | |
f177a611 | 989 | struct ldlang_undef_chain_list *next; |
1418c83b | 990 | char *name; |
075d7359 | 991 | } ldlang_undef_chain_list_type; |
1418c83b SC |
992 | |
993 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
994 | ||
995 | void | |
8ddef552 DM |
996 | ldlang_add_undef (name) |
997 | CONST char *CONST name; | |
2fa0b342 | 998 | { |
1418c83b | 999 | ldlang_undef_chain_list_type *new = |
075d7359 SC |
1000 | (ldlang_undef_chain_list_type |
1001 | *) stat_alloc ((bfd_size_type) (sizeof (ldlang_undef_chain_list_type))); | |
1418c83b SC |
1002 | |
1003 | new->next = ldlang_undef_chain_list_head; | |
1004 | ldlang_undef_chain_list_head = new; | |
1005 | ||
075d7359 | 1006 | new->name = buystring (name); |
1418c83b | 1007 | } |
075d7359 | 1008 | |
1418c83b SC |
1009 | /* Run through the list of undefineds created above and place them |
1010 | into the linker hash table as undefined symbols belonging to the | |
1011 | script file. | |
1012 | */ | |
1013 | static void | |
8ddef552 | 1014 | lang_place_undefineds () |
1418c83b | 1015 | { |
c477527c | 1016 | ldlang_undef_chain_list_type *ptr; |
1418c83b | 1017 | |
c477527c ILT |
1018 | for (ptr = ldlang_undef_chain_list_head; |
1019 | ptr != (ldlang_undef_chain_list_type *) NULL; | |
1020 | ptr = ptr->next) | |
075d7359 | 1021 | { |
c477527c | 1022 | struct bfd_link_hash_entry *h; |
075d7359 | 1023 | |
c477527c ILT |
1024 | h = bfd_link_hash_lookup (link_info.hash, ptr->name, true, false, true); |
1025 | if (h == (struct bfd_link_hash_entry *) NULL) | |
1026 | einfo ("%P%F: bfd_link_hash_lookup failed: %E"); | |
1027 | if (h->type == bfd_link_hash_new) | |
1028 | { | |
1029 | h->type = bfd_link_hash_undefined; | |
1030 | h->u.undef.abfd = NULL; | |
1031 | bfd_link_add_undef (link_info.hash, h); | |
1032 | } | |
075d7359 SC |
1033 | } |
1034 | } | |
1418c83b SC |
1035 | |
1036 | /* Copy important data from out internal form to the bfd way. Also | |
1037 | create a section for the dummy file | |
1038 | */ | |
1039 | ||
1040 | static void | |
8ddef552 | 1041 | lang_create_output_section_statements () |
1418c83b | 1042 | { |
075d7359 SC |
1043 | lang_statement_union_type *os; |
1044 | ||
1418c83b | 1045 | for (os = lang_output_section_statement.head; |
075d7359 SC |
1046 | os != (lang_statement_union_type *) NULL; |
1047 | os = os->output_section_statement.next) | |
1048 | { | |
1049 | lang_output_section_statement_type *s = | |
1418c83b | 1050 | &os->output_section_statement; |
075d7359 SC |
1051 | |
1052 | init_os (s); | |
1053 | } | |
1418c83b SC |
1054 | |
1055 | } | |
1056 | ||
2fa0b342 DHW |
1057 | /* Open input files and attatch to output sections */ |
1058 | static void | |
8ddef552 DM |
1059 | map_input_to_output_sections (s, target, output_section_statement) |
1060 | lang_statement_union_type * s; | |
1061 | CONST char *target; | |
1062 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 | 1063 | { |
075d7359 | 1064 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1065 | { |
075d7359 | 1066 | switch (s->header.type) |
2fa0b342 | 1067 | { |
075d7359 SC |
1068 | |
1069 | ||
1070 | case lang_wild_statement_enum: | |
1071 | wild (&s->wild_statement, s->wild_statement.section_name, | |
1072 | s->wild_statement.filename, target, | |
1073 | output_section_statement); | |
1074 | ||
1075 | break; | |
1076 | case lang_constructors_statement_enum: | |
1077 | map_input_to_output_sections (constructor_list.head, | |
1078 | target, | |
1079 | output_section_statement); | |
1080 | break; | |
1081 | case lang_output_section_statement_enum: | |
1082 | map_input_to_output_sections (s->output_section_statement.children.head, | |
1083 | target, | |
1084 | &s->output_section_statement); | |
1085 | break; | |
1086 | case lang_output_statement_enum: | |
1087 | break; | |
1088 | case lang_target_statement_enum: | |
1089 | target = s->target_statement.target; | |
1090 | break; | |
1091 | case lang_fill_statement_enum: | |
1092 | case lang_input_section_enum: | |
1093 | case lang_object_symbols_statement_enum: | |
1094 | case lang_data_statement_enum: | |
4fdbafb2 | 1095 | case lang_reloc_statement_enum: |
075d7359 SC |
1096 | case lang_assignment_statement_enum: |
1097 | case lang_padding_statement_enum: | |
1098 | break; | |
1099 | case lang_afile_asection_pair_statement_enum: | |
1100 | FAIL (); | |
1101 | break; | |
1102 | case lang_address_statement_enum: | |
1103 | /* Mark the specified section with the supplied address */ | |
1104 | { | |
1105 | lang_output_section_statement_type *os = | |
2fa0b342 | 1106 | lang_output_section_statement_lookup |
075d7359 SC |
1107 | (s->address_statement.section_name); |
1108 | ||
1109 | os->addr_tree = s->address_statement.address; | |
1110 | if (os->bfd_section == (asection *) NULL) | |
1111 | { | |
ddddcdf0 | 1112 | einfo ("%P%F: cannot set the address of undefined section %s\n", |
075d7359 SC |
1113 | s->address_statement.section_name); |
1114 | } | |
48491e2e | 1115 | } |
075d7359 SC |
1116 | break; |
1117 | case lang_input_statement_enum: | |
1118 | /* A standard input statement, has no wildcards */ | |
075d7359 | 1119 | break; |
2fa0b342 | 1120 | } |
2fa0b342 DHW |
1121 | } |
1122 | } | |
1123 | ||
075d7359 | 1124 | static void |
8ddef552 DM |
1125 | print_output_section_statement (output_section_statement) |
1126 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 DHW |
1127 | { |
1128 | asection *section = output_section_statement->bfd_section; | |
075d7359 SC |
1129 | |
1130 | print_nl (); | |
1131 | print_section (output_section_statement->name); | |
1132 | ||
e20873a7 | 1133 | |
075d7359 | 1134 | if (section) |
e20873a7 JG |
1135 | { |
1136 | print_dot = section->vma; | |
1137 | print_space (); | |
1138 | print_section (""); | |
1139 | print_space (); | |
1140 | print_address (section->vma); | |
1141 | print_space (); | |
1142 | print_size (section->_raw_size); | |
1143 | print_space(); | |
1144 | print_size(section->_cooked_size); | |
1145 | print_space (); | |
1146 | print_alignment (section->alignment_power); | |
1147 | print_space (); | |
2fa0b342 | 1148 | #if 0 |
e20873a7 JG |
1149 | fprintf (config.map_file, "%s flags", output_section_statement->region->name); |
1150 | print_flags (stdout, &output_section_statement->flags); | |
2fa0b342 | 1151 | #endif |
e20873a7 JG |
1152 | if (section->flags & SEC_LOAD) |
1153 | fprintf (config.map_file, "load "); | |
1154 | if (section->flags & SEC_ALLOC) | |
1155 | fprintf (config.map_file, "alloc "); | |
1156 | if (section->flags & SEC_RELOC) | |
1157 | fprintf (config.map_file, "reloc "); | |
1158 | if (section->flags & SEC_HAS_CONTENTS) | |
1159 | fprintf (config.map_file, "contents "); | |
2fa0b342 | 1160 | |
e20873a7 | 1161 | } |
075d7359 | 1162 | else |
e20873a7 JG |
1163 | { |
1164 | fprintf (config.map_file, "No attached output section"); | |
1165 | } | |
1166 | print_nl (); | |
9fce28ed SC |
1167 | if (output_section_statement->load_base) |
1168 | { | |
1169 | int b = exp_get_value_int(output_section_statement->load_base, | |
1170 | 0, "output base", lang_final_phase_enum); | |
1171 | printf("Output address %08x\n", b); | |
1172 | } | |
e20873a7 JG |
1173 | if (output_section_statement->section_alignment >= 0 |
1174 | || output_section_statement->section_alignment >= 0) | |
1175 | { | |
1176 | printf("\t\t\t\t\tforced alignment "); | |
1177 | if ( output_section_statement->section_alignment >= 0) | |
075d7359 | 1178 | { |
e20873a7 | 1179 | printf("section 2**%d ",output_section_statement->section_alignment ); |
075d7359 | 1180 | } |
e20873a7 JG |
1181 | if ( output_section_statement->subsection_alignment >= 0) |
1182 | { | |
1183 | printf("subsection 2**%d ",output_section_statement->subsection_alignment ); | |
1184 | } | |
1185 | ||
1186 | print_nl (); | |
1187 | } | |
075d7359 SC |
1188 | print_statement (output_section_statement->children.head, |
1189 | output_section_statement); | |
2fa0b342 DHW |
1190 | |
1191 | } | |
1192 | ||
075d7359 | 1193 | static void |
8ddef552 DM |
1194 | print_assignment (assignment, output_section) |
1195 | lang_assignment_statement_type * assignment; | |
1196 | lang_output_section_statement_type * output_section; | |
2fa0b342 DHW |
1197 | { |
1198 | etree_value_type result; | |
075d7359 SC |
1199 | |
1200 | print_section (""); | |
1201 | print_space (); | |
1202 | print_section (""); | |
1203 | print_space (); | |
1204 | print_address (print_dot); | |
1205 | print_space (); | |
1206 | result = exp_fold_tree (assignment->exp->assign.src, | |
1207 | output_section, | |
1208 | lang_final_phase_enum, | |
1209 | print_dot, | |
1210 | &print_dot); | |
1211 | ||
1212 | if (result.valid) | |
1213 | { | |
1214 | print_address (result.value); | |
1215 | } | |
1216 | else | |
1217 | { | |
1218 | fprintf (config.map_file, "*undefined*"); | |
1219 | } | |
1220 | print_space (); | |
1221 | exp_print_tree (assignment->exp); | |
1222 | ||
1223 | fprintf (config.map_file, "\n"); | |
2fa0b342 DHW |
1224 | } |
1225 | ||
1226 | static void | |
8ddef552 DM |
1227 | print_input_statement (statm) |
1228 | lang_input_statement_type * statm; | |
2fa0b342 | 1229 | { |
075d7359 SC |
1230 | if (statm->filename != (char *) NULL) |
1231 | { | |
1232 | fprintf (config.map_file, "LOAD %s\n", statm->filename); | |
1233 | } | |
2fa0b342 DHW |
1234 | } |
1235 | ||
804c8601 SC |
1236 | /* Print all the defined symbols for the abfd provided by in the supplied |
1237 | section. | |
1238 | */ | |
1239 | ||
1240 | static boolean | |
1241 | print_one_symbol (hash_entry, ptr) | |
1242 | struct bfd_link_hash_entry *hash_entry; | |
1243 | PTR ptr; | |
2fa0b342 | 1244 | { |
804c8601 SC |
1245 | asection * sec = (asection *)ptr; |
1246 | ||
1247 | if (hash_entry->type == bfd_link_hash_defined) | |
1248 | { | |
1249 | if (sec == hash_entry->u.def.section) { | |
1250 | print_section (""); | |
1251 | fprintf (config.map_file, " "); | |
1252 | print_section (""); | |
1253 | fprintf (config.map_file, " "); | |
1254 | print_address (hash_entry->u.def.value + outside_section_address (sec)); | |
1255 | fprintf (config.map_file, " %s", hash_entry->root.string); | |
1256 | print_nl (); | |
1257 | } | |
1258 | } | |
09a5aa5e KR |
1259 | |
1260 | return true; | |
2fa0b342 | 1261 | } |
1418c83b | 1262 | |
075d7359 | 1263 | static void |
8ddef552 DM |
1264 | print_input_section (in) |
1265 | lang_input_section_type * in; | |
2fa0b342 DHW |
1266 | { |
1267 | asection *i = in->section; | |
aa34a7c3 | 1268 | int size = i->reloc_done ? |
075d7359 SC |
1269 | bfd_get_section_size_after_reloc (i) : |
1270 | bfd_get_section_size_before_reloc (i); | |
1418c83b | 1271 | |
075d7359 SC |
1272 | if (size != 0) |
1273 | { | |
1274 | print_section (""); | |
1275 | fprintf (config.map_file, " "); | |
1276 | print_section (i->name); | |
1277 | fprintf (config.map_file, " "); | |
1278 | if (i->output_section) | |
1279 | { | |
1280 | print_address (i->output_section->vma + i->output_offset); | |
1281 | fprintf (config.map_file, " "); | |
ae475b39 SC |
1282 | print_size (i->_raw_size); |
1283 | fprintf (config.map_file, " "); | |
1284 | print_size(i->_cooked_size); | |
075d7359 SC |
1285 | fprintf (config.map_file, " "); |
1286 | print_alignment (i->alignment_power); | |
1287 | fprintf (config.map_file, " "); | |
1288 | if (in->ifile) | |
1289 | { | |
2fa0b342 | 1290 | |
075d7359 | 1291 | bfd *abfd = in->ifile->the_bfd; |
2fa0b342 | 1292 | |
075d7359 SC |
1293 | if (in->ifile->just_syms_flag == true) |
1294 | { | |
1295 | fprintf (config.map_file, "symbols only "); | |
1296 | } | |
2fa0b342 | 1297 | |
075d7359 SC |
1298 | fprintf (config.map_file, " %s ", abfd->xvec->name); |
1299 | if (abfd->my_archive != (bfd *) NULL) | |
1300 | { | |
1301 | fprintf (config.map_file, "[%s]%s", abfd->my_archive->filename, | |
1302 | abfd->filename); | |
1303 | } | |
1304 | else | |
1305 | { | |
1306 | fprintf (config.map_file, "%s", abfd->filename); | |
1307 | } | |
1308 | fprintf (config.map_file, "(overhead %d bytes)", (int) bfd_alloc_size (abfd)); | |
1309 | print_nl (); | |
2fa0b342 | 1310 | |
804c8601 SC |
1311 | /* Print all the symbols */ |
1312 | bfd_link_hash_traverse (link_info.hash, print_one_symbol, (PTR) i); | |
075d7359 SC |
1313 | } |
1314 | else | |
1315 | { | |
1316 | print_nl (); | |
1317 | } | |
1318 | ||
1319 | ||
1320 | print_dot = outside_section_address (i) + size; | |
1321 | } | |
1322 | else | |
1323 | { | |
1324 | fprintf (config.map_file, "No output section allocated\n"); | |
1325 | } | |
1326 | } | |
1327 | } | |
2fa0b342 DHW |
1328 | |
1329 | static void | |
8ddef552 DM |
1330 | print_fill_statement (fill) |
1331 | lang_fill_statement_type * fill; | |
075d7359 SC |
1332 | { |
1333 | fprintf (config.map_file, "FILL mask "); | |
1334 | print_fill (fill->fill); | |
1335 | } | |
1336 | ||
1337 | static void | |
8ddef552 DM |
1338 | print_data_statement (data) |
1339 | lang_data_statement_type * data; | |
2fa0b342 DHW |
1340 | { |
1341 | /* bfd_vma value; */ | |
075d7359 SC |
1342 | print_section (""); |
1343 | print_space (); | |
1344 | print_section (""); | |
1345 | print_space (); | |
65c552e3 | 1346 | /* ASSERT(print_dot == data->output_vma);*/ |
2fa0b342 | 1347 | |
075d7359 SC |
1348 | print_address (data->output_vma + data->output_section->vma); |
1349 | print_space (); | |
1350 | print_address (data->value); | |
1351 | print_space (); | |
1352 | switch (data->type) | |
1353 | { | |
1354 | case BYTE: | |
1355 | fprintf (config.map_file, "BYTE "); | |
1356 | print_dot += BYTE_SIZE; | |
1357 | break; | |
1358 | case SHORT: | |
1359 | fprintf (config.map_file, "SHORT "); | |
1360 | print_dot += SHORT_SIZE; | |
1361 | break; | |
1362 | case LONG: | |
1363 | fprintf (config.map_file, "LONG "); | |
1364 | print_dot += LONG_SIZE; | |
1365 | break; | |
c477527c ILT |
1366 | case QUAD: |
1367 | fprintf (config.map_file, "QUAD "); | |
1368 | print_dot += QUAD_SIZE; | |
1369 | break; | |
075d7359 SC |
1370 | } |
1371 | ||
1372 | exp_print_tree (data->exp); | |
2fa0b342 | 1373 | |
075d7359 | 1374 | fprintf (config.map_file, "\n"); |
2fa0b342 DHW |
1375 | } |
1376 | ||
4fdbafb2 ILT |
1377 | /* Print a reloc statement. */ |
1378 | ||
1379 | static void | |
1380 | print_reloc_statement (reloc) | |
1381 | lang_reloc_statement_type *reloc; | |
1382 | { | |
1383 | print_section (""); | |
1384 | print_space (); | |
1385 | print_section (""); | |
1386 | print_space (); | |
1387 | ||
1388 | /* ASSERT(print_dot == data->output_vma);*/ | |
1389 | ||
1390 | print_address (reloc->output_vma + reloc->output_section->vma); | |
1391 | print_space (); | |
1392 | print_address (reloc->addend_value); | |
1393 | print_space (); | |
1394 | ||
1395 | fprintf (config.map_file, "RELOC %s ", reloc->howto->name); | |
1396 | ||
1397 | print_dot += bfd_get_reloc_size (reloc->howto); | |
1398 | ||
1399 | exp_print_tree (reloc->addend_exp); | |
1400 | ||
1401 | fprintf (config.map_file, "\n"); | |
1402 | } | |
2fa0b342 DHW |
1403 | |
1404 | static void | |
8ddef552 DM |
1405 | print_padding_statement (s) |
1406 | lang_padding_statement_type * s; | |
075d7359 SC |
1407 | { |
1408 | print_section (""); | |
1409 | print_space (); | |
1410 | print_section ("*fill*"); | |
1411 | print_space (); | |
1412 | print_address (s->output_offset + s->output_section->vma); | |
1413 | print_space (); | |
1414 | print_size (s->size); | |
1415 | print_space (); | |
1416 | print_fill (s->fill); | |
1417 | print_nl (); | |
ffc50032 | 1418 | |
aa34a7c3 | 1419 | print_dot = s->output_offset + s->output_section->vma + s->size; |
ffc50032 | 1420 | |
2fa0b342 DHW |
1421 | } |
1422 | ||
075d7359 | 1423 | static void |
8ddef552 DM |
1424 | print_wild_statement (w, os) |
1425 | lang_wild_statement_type * w; | |
1426 | lang_output_section_statement_type * os; | |
2fa0b342 | 1427 | { |
075d7359 SC |
1428 | fprintf (config.map_file, " from "); |
1429 | if (w->filename != (char *) NULL) | |
1430 | { | |
1431 | fprintf (config.map_file, "%s", w->filename); | |
1432 | } | |
1433 | else | |
1434 | { | |
1435 | fprintf (config.map_file, "*"); | |
1436 | } | |
1437 | if (w->section_name != (char *) NULL) | |
1438 | { | |
1439 | fprintf (config.map_file, "(%s)", w->section_name); | |
1440 | } | |
1441 | else | |
1442 | { | |
1443 | fprintf (config.map_file, "(*)"); | |
1444 | } | |
1445 | print_nl (); | |
1446 | print_statement (w->children.head, os); | |
2fa0b342 DHW |
1447 | |
1448 | } | |
1449 | static void | |
8ddef552 DM |
1450 | print_statement (s, os) |
1451 | lang_statement_union_type * s; | |
1452 | lang_output_section_statement_type * os; | |
2fa0b342 | 1453 | { |
075d7359 | 1454 | while (s) |
c611e285 | 1455 | { |
075d7359 | 1456 | switch (s->header.type) |
c611e285 | 1457 | { |
075d7359 SC |
1458 | case lang_constructors_statement_enum: |
1459 | fprintf (config.map_file, "constructors:\n"); | |
1460 | print_statement (constructor_list.head, os); | |
1461 | break; | |
1462 | case lang_wild_statement_enum: | |
1463 | print_wild_statement (&s->wild_statement, os); | |
1464 | break; | |
1465 | default: | |
1466 | fprintf (config.map_file, "Fail with %d\n", s->header.type); | |
1467 | FAIL (); | |
1468 | break; | |
1469 | case lang_address_statement_enum: | |
1470 | fprintf (config.map_file, "address\n"); | |
1471 | break; | |
1472 | case lang_object_symbols_statement_enum: | |
1473 | fprintf (config.map_file, "object symbols\n"); | |
1474 | break; | |
1475 | case lang_fill_statement_enum: | |
1476 | print_fill_statement (&s->fill_statement); | |
1477 | break; | |
1478 | case lang_data_statement_enum: | |
1479 | print_data_statement (&s->data_statement); | |
1480 | break; | |
4fdbafb2 ILT |
1481 | case lang_reloc_statement_enum: |
1482 | print_reloc_statement (&s->reloc_statement); | |
1483 | break; | |
075d7359 SC |
1484 | case lang_input_section_enum: |
1485 | print_input_section (&s->input_section); | |
1486 | break; | |
1487 | case lang_padding_statement_enum: | |
1488 | print_padding_statement (&s->padding_statement); | |
1489 | break; | |
1490 | case lang_output_section_statement_enum: | |
1491 | print_output_section_statement (&s->output_section_statement); | |
1492 | break; | |
1493 | case lang_assignment_statement_enum: | |
1494 | print_assignment (&s->assignment_statement, | |
1495 | os); | |
1496 | break; | |
1497 | case lang_target_statement_enum: | |
1498 | fprintf (config.map_file, "TARGET(%s)\n", s->target_statement.target); | |
1499 | break; | |
1500 | case lang_output_statement_enum: | |
1501 | fprintf (config.map_file, "OUTPUT(%s %s)\n", | |
c611e285 | 1502 | s->output_statement.name, |
e20873a7 | 1503 | output_target ? output_target : ""); |
075d7359 SC |
1504 | break; |
1505 | case lang_input_statement_enum: | |
1506 | print_input_statement (&s->input_statement); | |
1507 | break; | |
1508 | case lang_afile_asection_pair_statement_enum: | |
1509 | FAIL (); | |
1510 | break; | |
c611e285 | 1511 | } |
075d7359 | 1512 | s = s->next; |
2fa0b342 | 1513 | } |
2fa0b342 DHW |
1514 | } |
1515 | ||
1516 | ||
1517 | static void | |
8ddef552 | 1518 | print_statements () |
2fa0b342 | 1519 | { |
075d7359 SC |
1520 | print_statement (statement_list.head, |
1521 | abs_output_section); | |
1522 | ||
2fa0b342 DHW |
1523 | } |
1524 | ||
1525 | static bfd_vma | |
9f629407 ILT |
1526 | insert_pad (this_ptr, fill, power, output_section_statement, dot) |
1527 | lang_statement_union_type ** this_ptr; | |
1528 | fill_type fill; | |
1529 | unsigned int power; | |
1530 | asection * output_section_statement; | |
1531 | bfd_vma dot; | |
075d7359 SC |
1532 | { |
1533 | /* Align this section first to the | |
2fa0b342 DHW |
1534 | input sections requirement, then |
1535 | to the output section's requirement. | |
075d7359 | 1536 | If this alignment is > than any seen before, |
2fa0b342 DHW |
1537 | then record it too. Perform the alignment by |
1538 | inserting a magic 'padding' statement. | |
1539 | */ | |
1540 | ||
075d7359 | 1541 | unsigned int alignment_needed = align_power (dot, power) - dot; |
2fa0b342 | 1542 | |
075d7359 | 1543 | if (alignment_needed != 0) |
2fa0b342 | 1544 | { |
075d7359 SC |
1545 | lang_statement_union_type *new = |
1546 | (lang_statement_union_type *) | |
1547 | stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type))); | |
1548 | ||
2fa0b342 DHW |
1549 | /* Link into existing chain */ |
1550 | new->header.next = *this_ptr; | |
1551 | *this_ptr = new; | |
1552 | new->header.type = lang_padding_statement_enum; | |
1553 | new->padding_statement.output_section = output_section_statement; | |
1554 | new->padding_statement.output_offset = | |
1555 | dot - output_section_statement->vma; | |
1556 | new->padding_statement.fill = fill; | |
1557 | new->padding_statement.size = alignment_needed; | |
1558 | } | |
1559 | ||
1560 | ||
1561 | /* Remember the most restrictive alignment */ | |
075d7359 SC |
1562 | if (power > output_section_statement->alignment_power) |
1563 | { | |
1564 | output_section_statement->alignment_power = power; | |
1565 | } | |
c611e285 | 1566 | output_section_statement->_raw_size += alignment_needed; |
2fa0b342 DHW |
1567 | return alignment_needed + dot; |
1568 | ||
1569 | } | |
1570 | ||
1418c83b | 1571 | /* Work out how much this section will move the dot point */ |
075d7359 | 1572 | static bfd_vma |
9f629407 ILT |
1573 | size_input_section (this_ptr, output_section_statement, fill, dot, relax) |
1574 | lang_statement_union_type ** this_ptr; | |
1575 | lang_output_section_statement_type * output_section_statement; | |
c477527c | 1576 | fill_type fill; |
9f629407 ILT |
1577 | bfd_vma dot; |
1578 | boolean relax; | |
2fa0b342 DHW |
1579 | { |
1580 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1581 | asection *i = is->section; | |
2fa0b342 | 1582 | |
075d7359 SC |
1583 | if (is->ifile->just_syms_flag == false) |
1584 | { | |
e20873a7 JG |
1585 | if (output_section_statement->subsection_alignment != -1) |
1586 | i->alignment_power = | |
1587 | output_section_statement->subsection_alignment; | |
1588 | ||
075d7359 SC |
1589 | dot = insert_pad (this_ptr, fill, i->alignment_power, |
1590 | output_section_statement->bfd_section, dot); | |
1591 | ||
075d7359 | 1592 | /* Remember where in the output section this input section goes */ |
ac004870 | 1593 | |
075d7359 SC |
1594 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1595 | ||
ae475b39 SC |
1596 | /* Mark how big the output section must be to contain this now |
1597 | */ | |
1598 | if (relax) | |
1599 | { | |
1600 | dot += i->_cooked_size; | |
1601 | } | |
1602 | else | |
1603 | { | |
1604 | dot += i->_raw_size; | |
1605 | } | |
1606 | output_section_statement->bfd_section->_raw_size = dot - output_section_statement->bfd_section->vma; | |
075d7359 | 1607 | } |
ac004870 | 1608 | else |
075d7359 SC |
1609 | { |
1610 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1611 | } | |
2fa0b342 | 1612 | |
075d7359 | 1613 | return dot; |
2fa0b342 DHW |
1614 | } |
1615 | ||
c611e285 SC |
1616 | /* Sizing happens in two passes, first pass we allocate worst case |
1617 | stuff. The second pass (if relaxing), we use what we learnt to | |
1618 | change the size of some relocs from worst case to better | |
1619 | */ | |
1620 | static boolean had_relax; | |
1621 | ||
a62494c4 | 1622 | bfd_vma |
9f629407 ILT |
1623 | lang_size_sections (s, output_section_statement, prev, fill, dot, relax) |
1624 | lang_statement_union_type * s; | |
1625 | lang_output_section_statement_type * output_section_statement; | |
1626 | lang_statement_union_type ** prev; | |
c477527c | 1627 | fill_type fill; |
9f629407 ILT |
1628 | bfd_vma dot; |
1629 | boolean relax; | |
c611e285 SC |
1630 | { |
1631 | /* Size up the sections from their constituent parts */ | |
075d7359 | 1632 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
ae475b39 SC |
1633 | { |
1634 | switch (s->header.type) | |
075d7359 | 1635 | { |
c611e285 | 1636 | |
ae475b39 SC |
1637 | case lang_output_section_statement_enum: |
1638 | { | |
1639 | bfd_vma after; | |
1640 | lang_output_section_statement_type *os = &s->output_section_statement; | |
1641 | ||
e20873a7 JG |
1642 | /* If this is a shared library section, don't change the size |
1643 | and address. */ | |
1644 | if (os->bfd_section->flags & SEC_SHARED_LIBRARY) | |
e9b63852 ILT |
1645 | break; |
1646 | ||
ae475b39 SC |
1647 | if (os->bfd_section == &bfd_abs_section) |
1648 | { | |
1649 | /* No matter what happens, an abs section starts at zero */ | |
1650 | bfd_set_section_vma (0, os->bfd_section, 0); | |
1651 | } | |
1652 | else | |
1653 | { | |
1654 | if (os->addr_tree == (etree_type *) NULL) | |
1655 | { | |
1656 | /* No address specified for this section, get one | |
1657 | from the region specification | |
1658 | */ | |
1659 | if (os->region == (lang_memory_region_type *) NULL) | |
1660 | { | |
1661 | os->region = lang_memory_region_lookup ("*default*"); | |
1662 | } | |
1663 | dot = os->region->current; | |
1664 | } | |
1665 | else | |
1666 | { | |
1667 | etree_value_type r; | |
1668 | ||
1669 | r = exp_fold_tree (os->addr_tree, | |
1670 | abs_output_section, | |
1671 | lang_allocating_phase_enum, | |
1672 | dot, &dot); | |
1673 | if (r.valid == false) | |
1674 | { | |
1675 | einfo ("%F%S: non constant address expression for section %s\n", | |
1676 | os->name); | |
1677 | } | |
1678 | dot = r.value; | |
1679 | } | |
1680 | /* The section starts here */ | |
1681 | /* First, align to what the section needs */ | |
1682 | ||
a62494c4 JL |
1683 | if (os->section_alignment != -1) |
1684 | dot = align_power (dot, os->section_alignment); | |
ae475b39 | 1685 | |
ae475b39 | 1686 | bfd_set_section_vma (0, os->bfd_section, dot); |
9fce28ed SC |
1687 | |
1688 | if (os->load_base) { | |
1689 | os->bfd_section->lma | |
1690 | = exp_get_value_int(os->load_base, 0,"load base", lang_final_phase_enum); | |
1691 | } | |
ae475b39 SC |
1692 | } |
1693 | ||
1694 | ||
1695 | os->bfd_section->output_offset = 0; | |
1696 | ||
1697 | (void) lang_size_sections (os->children.head, os, &os->children.head, | |
1698 | os->fill, dot, relax); | |
1699 | /* Ignore the size of the input sections, use the vma and size to */ | |
1700 | /* align against */ | |
1701 | ||
8ddef552 | 1702 | after = ALIGN_N (os->bfd_section->vma + |
97fbbaca JL |
1703 | os->bfd_section->_raw_size, |
1704 | /* The coercion here is important, see ld.h. */ | |
1705 | (bfd_vma) os->block_value); | |
ae475b39 SC |
1706 | |
1707 | os->bfd_section->_raw_size = after - os->bfd_section->vma; | |
1708 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1709 | os->processed = true; | |
1710 | ||
1711 | /* Replace into region ? */ | |
1712 | if (os->addr_tree == (etree_type *) NULL | |
1713 | && os->region != (lang_memory_region_type *) NULL) | |
1714 | { | |
1715 | os->region->current = dot; | |
1716 | /* Make sure this isn't silly */ | |
9fce28ed SC |
1717 | if (( os->region->current |
1718 | > os->region->origin + os->region->length) | |
1719 | || ( os->region->origin > os->region->current )) | |
1720 | { | |
ddddcdf0 | 1721 | einfo ("%X%P: region %s is full (%B section %s)\n", |
9fce28ed SC |
1722 | os->region->name, |
1723 | os->bfd_section->owner, | |
1724 | os->bfd_section->name); | |
1725 | /* Reset the region pointer */ | |
1726 | os->region->current = 0; | |
ae475b39 | 1727 | |
9fce28ed | 1728 | } |
ae475b39 SC |
1729 | |
1730 | } | |
1731 | } | |
9d1fe8a4 | 1732 | |
ae475b39 SC |
1733 | break; |
1734 | case lang_constructors_statement_enum: | |
1735 | dot = lang_size_sections (constructor_list.head, | |
1736 | output_section_statement, | |
1737 | &s->wild_statement.children.head, | |
1738 | fill, | |
1739 | dot, relax); | |
1740 | break; | |
9d1fe8a4 | 1741 | |
ae475b39 SC |
1742 | case lang_data_statement_enum: |
1743 | { | |
1744 | unsigned int size = 0; | |
1745 | ||
1746 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; | |
1747 | s->data_statement.output_section = | |
1748 | output_section_statement->bfd_section; | |
1749 | ||
1750 | switch (s->data_statement.type) | |
1751 | { | |
c477527c ILT |
1752 | case QUAD: |
1753 | size = QUAD_SIZE; | |
1754 | break; | |
ae475b39 SC |
1755 | case LONG: |
1756 | size = LONG_SIZE; | |
1757 | break; | |
1758 | case SHORT: | |
1759 | size = SHORT_SIZE; | |
1760 | break; | |
1761 | case BYTE: | |
1762 | size = BYTE_SIZE; | |
1763 | break; | |
1764 | ||
1765 | } | |
1766 | dot += size; | |
1767 | output_section_statement->bfd_section->_raw_size += size; | |
1768 | } | |
1769 | break; | |
c611e285 | 1770 | |
4fdbafb2 ILT |
1771 | case lang_reloc_statement_enum: |
1772 | { | |
1773 | int size; | |
1774 | ||
1775 | s->reloc_statement.output_vma = | |
1776 | dot - output_section_statement->bfd_section->vma; | |
1777 | s->reloc_statement.output_section = | |
1778 | output_section_statement->bfd_section; | |
1779 | size = bfd_get_reloc_size (s->reloc_statement.howto); | |
1780 | dot += size; | |
1781 | output_section_statement->bfd_section->_raw_size += size; | |
1782 | } | |
1783 | break; | |
1784 | ||
ae475b39 | 1785 | case lang_wild_statement_enum: |
c611e285 | 1786 | |
ae475b39 SC |
1787 | dot = lang_size_sections (s->wild_statement.children.head, |
1788 | output_section_statement, | |
1789 | &s->wild_statement.children.head, | |
c611e285 | 1790 | |
ae475b39 | 1791 | fill, dot, relax); |
c611e285 | 1792 | |
ae475b39 | 1793 | break; |
c611e285 | 1794 | |
ae475b39 | 1795 | case lang_object_symbols_statement_enum: |
c477527c ILT |
1796 | link_info.create_object_symbols_section = |
1797 | output_section_statement->bfd_section; | |
ae475b39 SC |
1798 | break; |
1799 | case lang_output_statement_enum: | |
1800 | case lang_target_statement_enum: | |
1801 | break; | |
1802 | case lang_input_section_enum: | |
1803 | if (relax) | |
1804 | { | |
c477527c ILT |
1805 | lang_input_section_type *is; |
1806 | asection *i; | |
1807 | ||
c477527c ILT |
1808 | is = &(*prev)->input_section; |
1809 | i = is->section; | |
1810 | ||
755f42fe ILT |
1811 | /* FIXME: The interface to bfd_relax_section should be changed |
1812 | to not require the generic symbols to be read. Changing | |
1813 | this would require changing both b_out_relax_section and | |
1814 | bfd_coff_relax16_section. */ | |
1815 | if (is->ifile->asymbols == (asymbol **) NULL) | |
1816 | { | |
1817 | unsigned int symsize; | |
1818 | ||
1819 | symsize = get_symtab_upper_bound (i->owner); | |
0b2f8d2e | 1820 | is->ifile->asymbols = (asymbol **) xmalloc (symsize); |
755f42fe ILT |
1821 | is->ifile->symbol_count = |
1822 | bfd_canonicalize_symtab (i->owner, is->ifile->asymbols); | |
1823 | ||
1824 | /* The generic linker code in BFD requires that these | |
1825 | symbols be stored in the outsymbols and symcount | |
1826 | fields. When the bfd_relax_section is interface is | |
1827 | fixed this should also be fixed. */ | |
1828 | i->owner->outsymbols = is->ifile->asymbols; | |
1829 | i->owner->symcount = is->ifile->symbol_count; | |
1830 | } | |
1831 | ||
5bcb7f28 | 1832 | bfd_set_error (bfd_error_no_error); |
c477527c ILT |
1833 | if (bfd_relax_section (i->owner, i, &link_info, is->ifile->asymbols)) |
1834 | had_relax = true; | |
5bcb7f28 | 1835 | else if (bfd_get_error () != bfd_error_no_error) |
09a5aa5e | 1836 | einfo ("%P%F: can't relax section: %E"); |
ae475b39 SC |
1837 | } |
1838 | else { | |
1839 | (*prev)->input_section.section->_cooked_size = | |
1840 | (*prev)->input_section.section->_raw_size ; | |
075d7359 | 1841 | |
ae475b39 SC |
1842 | } |
1843 | dot = size_input_section (prev, | |
1844 | output_section_statement, | |
1845 | output_section_statement->fill, | |
1846 | dot, relax); | |
1847 | break; | |
1848 | case lang_input_statement_enum: | |
1849 | break; | |
1850 | case lang_fill_statement_enum: | |
1851 | s->fill_statement.output_section = output_section_statement->bfd_section; | |
075d7359 | 1852 | |
ae475b39 SC |
1853 | fill = s->fill_statement.fill; |
1854 | break; | |
1855 | case lang_assignment_statement_enum: | |
1856 | { | |
1857 | bfd_vma newdot = dot; | |
1858 | ||
1859 | exp_fold_tree (s->assignment_statement.exp, | |
1860 | output_section_statement, | |
1861 | lang_allocating_phase_enum, | |
1862 | dot, | |
1863 | &newdot); | |
1864 | ||
1865 | if (newdot != dot && !relax) | |
1866 | /* We've been moved ! so insert a pad */ | |
1867 | { | |
1868 | lang_statement_union_type *new = | |
1869 | (lang_statement_union_type *) | |
1870 | stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type))); | |
1871 | ||
1872 | /* Link into existing chain */ | |
1873 | new->header.next = *prev; | |
1874 | *prev = new; | |
1875 | new->header.type = lang_padding_statement_enum; | |
1876 | new->padding_statement.output_section = | |
1877 | output_section_statement->bfd_section; | |
1878 | new->padding_statement.output_offset = | |
1879 | dot - output_section_statement->bfd_section->vma; | |
1880 | new->padding_statement.fill = fill; | |
1881 | new->padding_statement.size = newdot - dot; | |
1882 | output_section_statement->bfd_section->_raw_size += | |
1883 | new->padding_statement.size; | |
1884 | dot = newdot; | |
1885 | } | |
1886 | } | |
075d7359 | 1887 | |
ae475b39 SC |
1888 | break; |
1889 | default: | |
1890 | FAIL (); | |
1891 | break; | |
1892 | /* This can only get here when relaxing is turned on */ | |
1893 | case lang_padding_statement_enum: | |
075d7359 | 1894 | |
ae475b39 SC |
1895 | case lang_address_statement_enum: |
1896 | break; | |
075d7359 | 1897 | } |
ae475b39 SC |
1898 | prev = &s->header.next; |
1899 | } | |
c611e285 SC |
1900 | return dot; |
1901 | } | |
9d1fe8a4 | 1902 | |
2fa0b342 | 1903 | static bfd_vma |
9f629407 ILT |
1904 | lang_do_assignments (s, output_section_statement, fill, dot) |
1905 | lang_statement_union_type * s; | |
1906 | lang_output_section_statement_type * output_section_statement; | |
c477527c | 1907 | fill_type fill; |
9f629407 | 1908 | bfd_vma dot; |
2fa0b342 | 1909 | { |
075d7359 | 1910 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1911 | { |
075d7359 | 1912 | switch (s->header.type) |
2fa0b342 | 1913 | { |
075d7359 SC |
1914 | case lang_constructors_statement_enum: |
1915 | dot = lang_do_assignments (constructor_list.head, | |
1916 | output_section_statement, | |
1917 | fill, | |
1918 | dot); | |
1919 | break; | |
1920 | ||
1921 | case lang_output_section_statement_enum: | |
1922 | { | |
1923 | lang_output_section_statement_type *os = | |
2fa0b342 | 1924 | &(s->output_section_statement); |
2fa0b342 | 1925 | |
075d7359 SC |
1926 | dot = os->bfd_section->vma; |
1927 | (void) lang_do_assignments (os->children.head, os, os->fill, dot); | |
1928 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1929 | } | |
1930 | break; | |
1931 | case lang_wild_statement_enum: | |
2fa0b342 | 1932 | |
075d7359 SC |
1933 | dot = lang_do_assignments (s->wild_statement.children.head, |
1934 | output_section_statement, | |
1935 | fill, dot); | |
2fa0b342 | 1936 | |
075d7359 SC |
1937 | break; |
1938 | ||
1939 | case lang_object_symbols_statement_enum: | |
1940 | case lang_output_statement_enum: | |
1941 | case lang_target_statement_enum: | |
1418c83b | 1942 | #if 0 |
075d7359 | 1943 | case lang_common_statement_enum: |
1418c83b | 1944 | #endif |
2fa0b342 | 1945 | break; |
075d7359 SC |
1946 | case lang_data_statement_enum: |
1947 | { | |
1948 | etree_value_type value; | |
1949 | ||
1950 | value = exp_fold_tree (s->data_statement.exp, | |
1951 | abs_output_section, | |
1952 | lang_final_phase_enum, dot, &dot); | |
1953 | s->data_statement.value = value.value; | |
1954 | if (value.valid == false) | |
ddddcdf0 | 1955 | einfo ("%F%P: invalid data statement\n"); |
075d7359 SC |
1956 | } |
1957 | switch (s->data_statement.type) | |
1958 | { | |
c477527c ILT |
1959 | case QUAD: |
1960 | dot += QUAD_SIZE; | |
1961 | break; | |
075d7359 SC |
1962 | case LONG: |
1963 | dot += LONG_SIZE; | |
1964 | break; | |
1965 | case SHORT: | |
1966 | dot += SHORT_SIZE; | |
1967 | break; | |
1968 | case BYTE: | |
1969 | dot += BYTE_SIZE; | |
1970 | break; | |
1971 | } | |
2fa0b342 | 1972 | break; |
4fdbafb2 ILT |
1973 | |
1974 | case lang_reloc_statement_enum: | |
1975 | { | |
1976 | etree_value_type value; | |
1977 | ||
1978 | value = exp_fold_tree (s->reloc_statement.addend_exp, | |
1979 | abs_output_section, | |
1980 | lang_final_phase_enum, dot, &dot); | |
1981 | s->reloc_statement.addend_value = value.value; | |
1982 | if (value.valid == false) | |
1983 | einfo ("%F%P: invalid reloc statement\n"); | |
1984 | } | |
1985 | dot += bfd_get_reloc_size (s->reloc_statement.howto); | |
1986 | break; | |
1987 | ||
075d7359 SC |
1988 | case lang_input_section_enum: |
1989 | { | |
1990 | asection *in = s->input_section.section; | |
1991 | ||
1992 | dot += bfd_get_section_size_before_reloc (in); | |
1993 | } | |
2fa0b342 | 1994 | break; |
2fa0b342 | 1995 | |
075d7359 SC |
1996 | case lang_input_statement_enum: |
1997 | break; | |
1998 | case lang_fill_statement_enum: | |
1999 | fill = s->fill_statement.fill; | |
2000 | break; | |
2001 | case lang_assignment_statement_enum: | |
2002 | { | |
2003 | exp_fold_tree (s->assignment_statement.exp, | |
2004 | output_section_statement, | |
2005 | lang_final_phase_enum, | |
2006 | dot, | |
2007 | &dot); | |
2008 | } | |
2009 | ||
2010 | break; | |
2011 | case lang_padding_statement_enum: | |
2012 | dot += s->padding_statement.size; | |
2013 | break; | |
2014 | default: | |
2015 | FAIL (); | |
2016 | break; | |
2017 | case lang_address_statement_enum: | |
2018 | break; | |
2019 | } | |
2fa0b342 DHW |
2020 | |
2021 | } | |
2022 | return dot; | |
2023 | } | |
2024 | ||
2fa0b342 | 2025 | static void |
8ddef552 | 2026 | lang_finish () |
2fa0b342 | 2027 | { |
c477527c ILT |
2028 | struct bfd_link_hash_entry *h; |
2029 | boolean warn = link_info.relocateable ? false : true; | |
075d7359 | 2030 | |
c477527c ILT |
2031 | if (entry_symbol == (char *) NULL) |
2032 | { | |
2033 | /* No entry has been specified. Look for start, but don't warn | |
2034 | if we don't find it. */ | |
2035 | entry_symbol = "start"; | |
2036 | warn = false; | |
2037 | } | |
2fa0b342 | 2038 | |
c477527c ILT |
2039 | h = bfd_link_hash_lookup (link_info.hash, entry_symbol, false, false, true); |
2040 | if (h != (struct bfd_link_hash_entry *) NULL | |
2041 | && h->type == bfd_link_hash_defined) | |
075d7359 | 2042 | { |
c477527c | 2043 | bfd_vma val; |
075d7359 | 2044 | |
c477527c ILT |
2045 | val = (h->u.def.value |
2046 | + bfd_get_section_vma (output_bfd, | |
2047 | h->u.def.section->output_section) | |
2048 | + h->u.def.section->output_offset); | |
2049 | if (! bfd_set_start_address (output_bfd, val)) | |
2050 | einfo ("%P%F:%s: can't set start address\n", entry_symbol); | |
075d7359 | 2051 | } |
c477527c | 2052 | else |
22a78f0d | 2053 | { |
c477527c ILT |
2054 | asection *ts; |
2055 | ||
2056 | /* Can't find the entry symbol. Use the first address in the | |
2057 | text section. */ | |
2058 | ts = bfd_get_section_by_name (output_bfd, ".text"); | |
2059 | if (ts != (asection *) NULL) | |
2060 | { | |
2061 | if (warn) | |
2062 | einfo ("%P: warning: cannot find entry symbol %s; defaulting to %V\n", | |
2063 | entry_symbol, bfd_get_section_vma (output_bfd, ts)); | |
2064 | if (! bfd_set_start_address (output_bfd, | |
2065 | bfd_get_section_vma (output_bfd, ts))) | |
2066 | einfo ("%P%F: can't set start address\n"); | |
2067 | } | |
2068 | else | |
2069 | { | |
2070 | if (warn) | |
2071 | einfo ("%P: warning: cannot find entry symbol %s; not setting start address\n", | |
2072 | entry_symbol); | |
2073 | } | |
22a78f0d | 2074 | } |
2fa0b342 DHW |
2075 | } |
2076 | ||
2077 | /* By now we know the target architecture, and we may have an */ | |
2078 | /* ldfile_output_machine_name */ | |
2079 | static void | |
8ddef552 | 2080 | lang_check () |
2fa0b342 DHW |
2081 | { |
2082 | lang_statement_union_type *file; | |
075d7359 SC |
2083 | bfd *input_bfd; |
2084 | unsigned long input_machine; | |
2085 | enum bfd_architecture input_architecture; | |
2086 | CONST bfd_arch_info_type *compatible; | |
7bc4a0d7 | 2087 | |
2fa0b342 | 2088 | for (file = file_chain.head; |
075d7359 SC |
2089 | file != (lang_statement_union_type *) NULL; |
2090 | file = file->input_statement.next) | |
2091 | { | |
075d7359 | 2092 | input_bfd = file->input_statement.the_bfd; |
7bc4a0d7 | 2093 | |
075d7359 SC |
2094 | input_machine = bfd_get_mach (input_bfd); |
2095 | input_architecture = bfd_get_arch (input_bfd); | |
7bc4a0d7 | 2096 | |
7bc4a0d7 | 2097 | |
075d7359 SC |
2098 | /* Inspect the architecture and ensure we're linking like with |
2099 | like */ | |
7bc4a0d7 | 2100 | |
075d7359 SC |
2101 | compatible = bfd_arch_get_compatible (input_bfd, |
2102 | output_bfd); | |
22a78f0d | 2103 | |
075d7359 SC |
2104 | if (compatible) |
2105 | { | |
2106 | ldfile_output_machine = compatible->mach; | |
2107 | ldfile_output_architecture = compatible->arch; | |
2108 | } | |
2109 | else | |
2110 | { | |
7bc4a0d7 | 2111 | |
c477527c | 2112 | einfo ("%P: warning: %s architecture of input file `%B' is incompatible with %s output\n", |
075d7359 SC |
2113 | bfd_printable_name (input_bfd), input_bfd, |
2114 | bfd_printable_name (output_bfd)); | |
7bc4a0d7 | 2115 | |
ddddcdf0 ILT |
2116 | if (! bfd_set_arch_mach (output_bfd, |
2117 | input_architecture, | |
2118 | input_machine)) | |
2119 | einfo ("%P%F:%s: can't set architecture: %E\n", | |
2120 | bfd_get_filename (output_bfd)); | |
075d7359 | 2121 | } |
2fa0b342 | 2122 | |
075d7359 SC |
2123 | } |
2124 | } | |
2fa0b342 | 2125 | |
c477527c ILT |
2126 | /* Look through all the global common symbols and attach them to the |
2127 | correct section. The -sort-common command line switch may be used | |
2128 | to roughly sort the entries by size. */ | |
2fa0b342 DHW |
2129 | |
2130 | static void | |
8ddef552 | 2131 | lang_common () |
2fa0b342 | 2132 | { |
c477527c ILT |
2133 | if (link_info.relocateable |
2134 | && ! command_line.force_common_definition) | |
2135 | return; | |
075d7359 | 2136 | |
c477527c ILT |
2137 | if (! config.sort_common) |
2138 | bfd_link_hash_traverse (link_info.hash, lang_one_common, (PTR) NULL); | |
2139 | else | |
075d7359 | 2140 | { |
c477527c | 2141 | unsigned int power; |
1418c83b | 2142 | |
c477527c ILT |
2143 | for (power = 1; power <= 16; power <<= 1) |
2144 | bfd_link_hash_traverse (link_info.hash, lang_one_common, | |
2145 | (PTR) &power); | |
2146 | } | |
2147 | } | |
29f33467 | 2148 | |
c477527c | 2149 | /* Place one common symbol in the correct section. */ |
075d7359 | 2150 | |
c477527c ILT |
2151 | static boolean |
2152 | lang_one_common (h, info) | |
2153 | struct bfd_link_hash_entry *h; | |
2154 | PTR info; | |
2155 | { | |
2156 | unsigned int power_of_two; | |
2157 | bfd_vma size; | |
2158 | size_t align; | |
2159 | asection *section; | |
075d7359 | 2160 | |
c477527c ILT |
2161 | if (h->type != bfd_link_hash_common) |
2162 | return true; | |
075d7359 | 2163 | |
c477527c ILT |
2164 | size = h->u.c.size; |
2165 | switch (size) | |
2166 | { | |
2167 | case 0: | |
2168 | case 1: | |
2169 | power_of_two = 0; | |
2170 | align = 1; | |
2171 | break; | |
2172 | case 2: | |
2173 | power_of_two = 1; | |
2174 | align = 2; | |
2175 | break; | |
2176 | case 3: | |
2177 | case 4: | |
2178 | power_of_two = 2; | |
2179 | align = 4; | |
2180 | break; | |
2181 | case 5: | |
2182 | case 6: | |
2183 | case 7: | |
2184 | case 8: | |
2185 | power_of_two = 3; | |
2186 | align = 8; | |
2187 | break; | |
2188 | default: | |
2189 | power_of_two = 4; | |
2190 | align = 16; | |
2191 | break; | |
2192 | } | |
2193 | ||
2194 | if (config.sort_common && align != *(unsigned int *) info) | |
2195 | return true; | |
075d7359 | 2196 | |
c477527c | 2197 | section = h->u.c.section; |
075d7359 | 2198 | |
c477527c ILT |
2199 | /* Increase the size of the section. */ |
2200 | section->_raw_size = ALIGN_N (section->_raw_size, align); | |
075d7359 | 2201 | |
c477527c ILT |
2202 | /* Adjust the alignment if necessary. */ |
2203 | if (power_of_two > section->alignment_power) | |
2204 | section->alignment_power = power_of_two; | |
075d7359 | 2205 | |
c477527c ILT |
2206 | /* Change the symbol from common to defined. */ |
2207 | h->type = bfd_link_hash_defined; | |
2208 | h->u.def.section = section; | |
2209 | h->u.def.value = section->_raw_size; | |
097879bc | 2210 | |
c477527c ILT |
2211 | /* Increase the size of the section. */ |
2212 | section->_raw_size += size; | |
1418c83b | 2213 | |
b495c314 | 2214 | if (config.map_file != NULL) |
c477527c ILT |
2215 | fprintf (config.map_file, "Allocating common %s: %lx at %lx %s\n", |
2216 | h->root.string, (unsigned long) size, | |
2217 | (unsigned long) h->u.def.value, section->owner->filename); | |
1418c83b | 2218 | |
c477527c | 2219 | return true; |
2fa0b342 DHW |
2220 | } |
2221 | ||
2222 | /* | |
075d7359 | 2223 | run through the input files and ensure that every input |
2fa0b342 DHW |
2224 | section has somewhere to go. If one is found without |
2225 | a destination then create an input request and place it | |
2226 | into the statement tree. | |
2227 | */ | |
2228 | ||
075d7359 | 2229 | static void |
8ddef552 | 2230 | lang_place_orphans () |
2fa0b342 DHW |
2231 | { |
2232 | lang_input_statement_type *file; | |
1418c83b | 2233 | |
075d7359 SC |
2234 | for (file = (lang_input_statement_type *) file_chain.head; |
2235 | file != (lang_input_statement_type *) NULL; | |
2236 | file = (lang_input_statement_type *) file->next) | |
2237 | { | |
2238 | asection *s; | |
2239 | ||
2240 | for (s = file->the_bfd->sections; | |
2241 | s != (asection *) NULL; | |
2242 | s = s->next) | |
2243 | { | |
2244 | if (s->output_section == (asection *) NULL) | |
2245 | { | |
2246 | /* This section of the file is not attatched, root | |
2247 | around for a sensible place for it to go */ | |
2248 | ||
2249 | if (file->common_section == s) | |
2250 | { | |
2251 | /* This is a lonely common section which must | |
2252 | have come from an archive. We attatch to the | |
2253 | section with the wildcard */ | |
c477527c ILT |
2254 | if (! link_info.relocateable |
2255 | && ! command_line.force_common_definition) | |
075d7359 SC |
2256 | { |
2257 | if (default_common_section == | |
2258 | (lang_output_section_statement_type *) NULL) | |
2259 | { | |
a4aeaacf | 2260 | info_msg ("%P: no [COMMON] command, defaulting to .bss\n"); |
075d7359 SC |
2261 | |
2262 | default_common_section = | |
2263 | lang_output_section_statement_lookup (".bss"); | |
2264 | ||
2265 | } | |
2266 | wild_doit (&default_common_section->children, s, | |
2267 | default_common_section, file); | |
2268 | } | |
2269 | } | |
2270 | else | |
2271 | { | |
2272 | lang_output_section_statement_type *os = | |
2273 | lang_output_section_statement_lookup (s->name); | |
2fa0b342 | 2274 | |
075d7359 SC |
2275 | wild_doit (&os->children, s, os, file); |
2276 | } | |
2277 | } | |
2fa0b342 | 2278 | } |
2fa0b342 | 2279 | } |
2fa0b342 DHW |
2280 | } |
2281 | ||
2282 | ||
2fa0b342 | 2283 | void |
8ddef552 DM |
2284 | lang_set_flags (ptr, flags) |
2285 | int *ptr; | |
2286 | CONST char *flags; | |
2fa0b342 | 2287 | { |
075d7359 SC |
2288 | boolean state = false; |
2289 | ||
2290 | *ptr = 0; | |
2fa0b342 | 2291 | while (*flags) |
075d7359 SC |
2292 | { |
2293 | if (*flags == '!') | |
2294 | { | |
2295 | state = false; | |
2296 | flags++; | |
2297 | } | |
2298 | else | |
2299 | state = true; | |
2300 | switch (*flags) | |
2301 | { | |
2302 | case 'R': | |
2303 | /* ptr->flag_read = state; */ | |
2304 | break; | |
2305 | case 'W': | |
2306 | /* ptr->flag_write = state; */ | |
2307 | break; | |
2308 | case 'X': | |
2309 | /* ptr->flag_executable= state;*/ | |
2310 | break; | |
2311 | case 'L': | |
2312 | case 'I': | |
2313 | /* ptr->flag_loadable= state;*/ | |
2314 | break; | |
2315 | default: | |
ddddcdf0 | 2316 | einfo ("%P%F: invalid syntax in flags\n"); |
075d7359 SC |
2317 | break; |
2318 | } | |
dc4726c2 SC |
2319 | flags++; |
2320 | } | |
2fa0b342 DHW |
2321 | } |
2322 | ||
2323 | ||
2324 | ||
2325 | void | |
8ddef552 DM |
2326 | lang_for_each_file (func) |
2327 | void (*func) PARAMS ((lang_input_statement_type *)); | |
2fa0b342 DHW |
2328 | { |
2329 | lang_input_statement_type *f; | |
075d7359 SC |
2330 | |
2331 | for (f = (lang_input_statement_type *) file_chain.head; | |
2332 | f != (lang_input_statement_type *) NULL; | |
2333 | f = (lang_input_statement_type *) f->next) | |
2334 | { | |
2335 | func (f); | |
2336 | } | |
2fa0b342 DHW |
2337 | } |
2338 | ||
9f629407 ILT |
2339 | #if 0 |
2340 | ||
2341 | /* Not used. */ | |
2fa0b342 DHW |
2342 | |
2343 | void | |
8ddef552 DM |
2344 | lang_for_each_input_section (func) |
2345 | void (*func) PARAMS ((bfd * ab, asection * as)); | |
2fa0b342 DHW |
2346 | { |
2347 | lang_input_statement_type *f; | |
075d7359 SC |
2348 | |
2349 | for (f = (lang_input_statement_type *) file_chain.head; | |
2350 | f != (lang_input_statement_type *) NULL; | |
2351 | f = (lang_input_statement_type *) f->next) | |
2fa0b342 DHW |
2352 | { |
2353 | asection *s; | |
075d7359 | 2354 | |
2fa0b342 | 2355 | for (s = f->the_bfd->sections; |
075d7359 SC |
2356 | s != (asection *) NULL; |
2357 | s = s->next) | |
2358 | { | |
2359 | func (f->the_bfd, s); | |
2360 | } | |
2fa0b342 DHW |
2361 | } |
2362 | } | |
2363 | ||
9f629407 | 2364 | #endif |
2fa0b342 | 2365 | |
075d7359 | 2366 | void |
8ddef552 DM |
2367 | ldlang_add_file (entry) |
2368 | lang_input_statement_type * entry; | |
2fa0b342 | 2369 | { |
5e6cd559 ILT |
2370 | bfd **pp; |
2371 | ||
075d7359 SC |
2372 | lang_statement_append (&file_chain, |
2373 | (lang_statement_union_type *) entry, | |
2374 | &entry->next); | |
c477527c ILT |
2375 | |
2376 | /* The BFD linker needs to have a list of all input BFDs involved in | |
2377 | a link. */ | |
2378 | ASSERT (entry->the_bfd->link_next == (bfd *) NULL); | |
2379 | ASSERT (entry->the_bfd != output_bfd); | |
5e6cd559 ILT |
2380 | for (pp = &link_info.input_bfds; |
2381 | *pp != (bfd *) NULL; | |
2382 | pp = &(*pp)->link_next) | |
2383 | ; | |
2384 | *pp = entry->the_bfd; | |
c477527c | 2385 | entry->the_bfd->usrdata = (PTR) entry; |
fc1dfb71 | 2386 | bfd_set_gp_size (entry->the_bfd, g_switch_value); |
2fa0b342 DHW |
2387 | } |
2388 | ||
2fa0b342 | 2389 | void |
2c6635a4 | 2390 | lang_add_output (name, from_script) |
8ddef552 | 2391 | CONST char *name; |
2c6635a4 | 2392 | int from_script; |
2fa0b342 | 2393 | { |
2c6635a4 ILT |
2394 | /* Make -o on command line override OUTPUT in script. */ |
2395 | if (had_output_filename == false || !from_script) | |
2396 | { | |
2397 | output_filename = name; | |
2398 | had_output_filename = true; | |
2399 | } | |
2fa0b342 DHW |
2400 | } |
2401 | ||
2402 | ||
2403 | static lang_output_section_statement_type *current_section; | |
2404 | ||
e20873a7 | 2405 | static int topower(x) |
9f629407 | 2406 | int x; |
e20873a7 JG |
2407 | { |
2408 | unsigned int i = 1; | |
2409 | int l; | |
2410 | if (x < 0) return -1; | |
2411 | for (l = 0; l < 32; l++) | |
2412 | { | |
2413 | if (i >= x) return l; | |
2414 | i<<=1; | |
2415 | } | |
29f33467 | 2416 | return 0; |
e20873a7 | 2417 | } |
2fa0b342 | 2418 | void |
8ddef552 DM |
2419 | lang_enter_output_section_statement (output_section_statement_name, |
2420 | address_exp, flags, block_value, | |
9f629407 | 2421 | align, subalign, ebase) |
fcf276c4 | 2422 | const char *output_section_statement_name; |
8ddef552 DM |
2423 | etree_type * address_exp; |
2424 | int flags; | |
2425 | bfd_vma block_value; | |
2426 | etree_type *align; | |
2427 | etree_type *subalign; | |
9f629407 | 2428 | etree_type *ebase; |
2fa0b342 DHW |
2429 | { |
2430 | lang_output_section_statement_type *os; | |
075d7359 SC |
2431 | |
2432 | current_section = | |
e20873a7 | 2433 | os = |
075d7359 SC |
2434 | lang_output_section_statement_lookup (output_section_statement_name); |
2435 | ||
2436 | ||
2fa0b342 | 2437 | |
2fa0b342 DHW |
2438 | /* Add this statement to tree */ |
2439 | /* add_statement(lang_output_section_statement_enum, | |
2440 | output_section_statement);*/ | |
2441 | /* Make next things chain into subchain of this */ | |
2442 | ||
2443 | if (os->addr_tree == | |
075d7359 | 2444 | (etree_type *) NULL) |
e20873a7 JG |
2445 | { |
2446 | os->addr_tree = | |
2447 | address_exp; | |
2448 | } | |
7bc4a0d7 | 2449 | os->flags = flags; |
ae475b39 SC |
2450 | if (flags & SEC_NEVER_LOAD) |
2451 | os->loadable = 0; | |
2452 | else | |
2453 | os->loadable = 1; | |
29f33467 | 2454 | os->block_value = block_value ? block_value : 1; |
075d7359 | 2455 | stat_ptr = &os->children; |
2fa0b342 | 2456 | |
e20873a7 JG |
2457 | os->subsection_alignment = topower( |
2458 | exp_get_value_int(subalign, -1, | |
2459 | "subsection alignment", | |
2460 | 0)); | |
2461 | os->section_alignment = topower( | |
2462 | exp_get_value_int(align, -1, | |
2463 | "section alignment", 0)); | |
9fce28ed | 2464 | |
9f629407 | 2465 | os->load_base = ebase; |
2fa0b342 DHW |
2466 | } |
2467 | ||
9fce28ed | 2468 | |
075d7359 | 2469 | void |
8ddef552 | 2470 | lang_final () |
2fa0b342 | 2471 | { |
2c6635a4 ILT |
2472 | lang_output_statement_type *new = |
2473 | new_stat (lang_output_statement, stat_ptr); | |
2fa0b342 | 2474 | |
2c6635a4 | 2475 | new->name = output_filename; |
075d7359 | 2476 | } |
2fa0b342 | 2477 | |
c611e285 SC |
2478 | /* Reset the current counters in the regions */ |
2479 | static void | |
8ddef552 | 2480 | reset_memory_regions () |
c611e285 | 2481 | { |
075d7359 SC |
2482 | lang_memory_region_type *p = lang_memory_region_list; |
2483 | ||
c611e285 | 2484 | for (p = lang_memory_region_list; |
075d7359 SC |
2485 | p != (lang_memory_region_type *) NULL; |
2486 | p = p->next) | |
2487 | { | |
8ddef552 | 2488 | p->old_length = (bfd_size_type) (p->current - p->origin); |
075d7359 SC |
2489 | p->current = p->origin; |
2490 | } | |
c611e285 | 2491 | } |
2fa0b342 | 2492 | |
2fa0b342 | 2493 | void |
8ddef552 | 2494 | lang_process () |
075d7359 | 2495 | { |
075d7359 | 2496 | lang_reasonable_defaults (); |
1418c83b SC |
2497 | current_target = default_target; |
2498 | ||
075d7359 | 2499 | lang_for_each_statement (ldlang_open_output); /* Open the output file */ |
1418c83b SC |
2500 | /* For each output section statement, create a section in the output |
2501 | file */ | |
075d7359 | 2502 | lang_create_output_section_statements (); |
1418c83b | 2503 | |
97fbbaca JL |
2504 | ldemul_create_output_section_statements (); |
2505 | ||
1418c83b | 2506 | /* Add to the hash table all undefineds on the command line */ |
075d7359 | 2507 | lang_place_undefineds (); |
1418c83b SC |
2508 | |
2509 | /* Create a bfd for each input file */ | |
2510 | current_target = default_target; | |
075d7359 | 2511 | lang_for_each_statement (open_input_bfds); |
1418c83b | 2512 | |
c477527c ILT |
2513 | /* Build all sets based on the information gathered from the input |
2514 | files. */ | |
2515 | ldctor_build_sets (); | |
2516 | ||
4fdbafb2 ILT |
2517 | /* Size up the common data */ |
2518 | lang_common (); | |
2519 | ||
1418c83b | 2520 | /* Run through the contours of the script and attatch input sections |
075d7359 | 2521 | to the correct output sections |
1418c83b | 2522 | */ |
075d7359 SC |
2523 | map_input_to_output_sections (statement_list.head, (char *) NULL, |
2524 | (lang_output_section_statement_type *) NULL); | |
1418c83b | 2525 | |
81016051 | 2526 | |
1418c83b | 2527 | /* Find any sections not attatched explicitly and handle them */ |
075d7359 | 2528 | lang_place_orphans (); |
1418c83b | 2529 | |
075d7359 | 2530 | ldemul_before_allocation (); |
1418c83b | 2531 | |
c611e285 | 2532 | |
ae475b39 SC |
2533 | #if 0 |
2534 | had_relax = true; | |
2535 | while (had_relax) | |
2536 | { | |
2537 | ||
2538 | had_relax = false; | |
c611e285 | 2539 | |
ae475b39 SC |
2540 | lang_size_sections (statement_list.head, |
2541 | (lang_output_section_statement_type *) NULL, | |
2542 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
2543 | /* FIXME. Until the code in relax is fixed so that it only reads in | |
2544 | stuff once, we cant iterate since there is no way for the linker to | |
2545 | know what has been patched and what hasn't */ | |
2546 | break; | |
2547 | ||
2548 | } | |
2549 | #endif | |
c611e285 | 2550 | |
c611e285 | 2551 | /* Now run around and relax if we can */ |
075d7359 | 2552 | if (command_line.relax) |
c611e285 | 2553 | { |
97fbbaca JL |
2554 | /* First time round is a trial run to get the 'worst case' |
2555 | addresses of the objects if there was no relaxing. */ | |
ae475b39 SC |
2556 | lang_size_sections (statement_list.head, |
2557 | (lang_output_section_statement_type *) NULL, | |
2558 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
c611e285 | 2559 | |
075d7359 | 2560 | |
97fbbaca | 2561 | reset_memory_regions (); |
075d7359 | 2562 | |
97fbbaca JL |
2563 | /* Do all the assignments, now that we know the final resting |
2564 | places of all the symbols. */ | |
ae475b39 | 2565 | |
97fbbaca JL |
2566 | lang_do_assignments (statement_list.head, |
2567 | abs_output_section, | |
c477527c | 2568 | (fill_type) 0, (bfd_vma) 0); |
ae475b39 SC |
2569 | |
2570 | /* Perform another relax pass - this time we know where the | |
97fbbaca | 2571 | globals are, so can make better guess. */ |
ae475b39 SC |
2572 | lang_size_sections (statement_list.head, |
2573 | (lang_output_section_statement_type *) NULL, | |
2574 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
ae475b39 | 2575 | } |
ae475b39 SC |
2576 | else |
2577 | { | |
97fbbaca | 2578 | /* Size up the sections. */ |
ae475b39 SC |
2579 | lang_size_sections (statement_list.head, |
2580 | abs_output_section, | |
2581 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
075d7359 | 2582 | } |
c611e285 | 2583 | |
1418c83b | 2584 | /* See if anything special should be done now we know how big |
97fbbaca | 2585 | everything is. */ |
075d7359 | 2586 | ldemul_after_allocation (); |
1418c83b SC |
2587 | |
2588 | /* Do all the assignments, now that we know the final restingplaces | |
2589 | of all the symbols */ | |
2590 | ||
075d7359 SC |
2591 | lang_do_assignments (statement_list.head, |
2592 | abs_output_section, | |
c477527c | 2593 | (fill_type) 0, (bfd_vma) 0); |
ffc50032 | 2594 | |
1418c83b SC |
2595 | /* Make sure that we're not mixing architectures */ |
2596 | ||
075d7359 | 2597 | lang_check (); |
1418c83b | 2598 | |
1418c83b | 2599 | /* Final stuffs */ |
97fbbaca JL |
2600 | |
2601 | ldemul_finish (); | |
075d7359 | 2602 | lang_finish (); |
2fa0b342 DHW |
2603 | } |
2604 | ||
2fa0b342 | 2605 | /* EXPORTED TO YACC */ |
1418c83b | 2606 | |
2fa0b342 | 2607 | void |
8ddef552 DM |
2608 | lang_add_wild (section_name, filename) |
2609 | CONST char *CONST section_name; | |
2610 | CONST char *CONST filename; | |
1418c83b | 2611 | { |
075d7359 SC |
2612 | lang_wild_statement_type *new = new_stat (lang_wild_statement, |
2613 | stat_ptr); | |
1418c83b | 2614 | |
075d7359 SC |
2615 | if (section_name != (char *) NULL && strcmp (section_name, "COMMON") == 0) |
2616 | { | |
2617 | placed_commons = true; | |
2618 | } | |
2619 | if (filename != (char *) NULL) | |
2620 | { | |
2621 | lang_has_input_file = true; | |
2622 | } | |
1418c83b SC |
2623 | new->section_name = section_name; |
2624 | new->filename = filename; | |
075d7359 | 2625 | lang_list_init (&new->children); |
1418c83b | 2626 | } |
075d7359 | 2627 | |
1418c83b | 2628 | void |
8ddef552 DM |
2629 | lang_section_start (name, address) |
2630 | CONST char *name; | |
2631 | etree_type * address; | |
2fa0b342 | 2632 | { |
075d7359 SC |
2633 | lang_address_statement_type *ad = new_stat (lang_address_statement, stat_ptr); |
2634 | ||
2fa0b342 DHW |
2635 | ad->section_name = name; |
2636 | ad->address = address; | |
2637 | } | |
1418c83b | 2638 | |
075d7359 | 2639 | void |
8ddef552 DM |
2640 | lang_add_entry (name) |
2641 | CONST char *name; | |
2fa0b342 DHW |
2642 | { |
2643 | entry_symbol = name; | |
2644 | } | |
2645 | ||
2646 | void | |
8ddef552 DM |
2647 | lang_add_target (name) |
2648 | CONST char *name; | |
2fa0b342 | 2649 | { |
075d7359 SC |
2650 | lang_target_statement_type *new = new_stat (lang_target_statement, |
2651 | stat_ptr); | |
2652 | ||
2fa0b342 DHW |
2653 | new->target = name; |
2654 | ||
2655 | } | |
2fa0b342 | 2656 | |
2fa0b342 | 2657 | void |
8ddef552 DM |
2658 | lang_add_map (name) |
2659 | CONST char *name; | |
2fa0b342 | 2660 | { |
075d7359 SC |
2661 | while (*name) |
2662 | { | |
2663 | switch (*name) | |
2664 | { | |
2665 | case 'F': | |
2666 | map_option_f = true; | |
2667 | break; | |
2668 | } | |
2669 | name++; | |
2fa0b342 | 2670 | } |
2fa0b342 DHW |
2671 | } |
2672 | ||
075d7359 | 2673 | void |
8ddef552 DM |
2674 | lang_add_fill (exp) |
2675 | int exp; | |
2fa0b342 | 2676 | { |
075d7359 SC |
2677 | lang_fill_statement_type *new = new_stat (lang_fill_statement, |
2678 | stat_ptr); | |
2679 | ||
2fa0b342 DHW |
2680 | new->fill = exp; |
2681 | } | |
2682 | ||
075d7359 | 2683 | void |
8ddef552 DM |
2684 | lang_add_data (type, exp) |
2685 | int type; | |
2686 | union etree_union *exp; | |
2fa0b342 DHW |
2687 | { |
2688 | ||
075d7359 | 2689 | lang_data_statement_type *new = new_stat (lang_data_statement, |
2fa0b342 | 2690 | stat_ptr); |
075d7359 SC |
2691 | |
2692 | new->exp = exp; | |
2693 | new->type = type; | |
2fa0b342 DHW |
2694 | |
2695 | } | |
075d7359 | 2696 | |
4fdbafb2 ILT |
2697 | /* Create a new reloc statement. RELOC is the BFD relocation type to |
2698 | generate. HOWTO is the corresponding howto structure (we could | |
2699 | look this up, but the caller has already done so). SECTION is the | |
2700 | section to generate a reloc against, or NAME is the name of the | |
2701 | symbol to generate a reloc against. Exactly one of SECTION and | |
2702 | NAME must be NULL. ADDEND is an expression for the addend. */ | |
2703 | ||
2704 | void | |
2705 | lang_add_reloc (reloc, howto, section, name, addend) | |
2706 | bfd_reloc_code_real_type reloc; | |
2707 | const reloc_howto_type *howto; | |
2708 | asection *section; | |
2709 | const char *name; | |
2710 | union etree_union *addend; | |
2711 | { | |
2712 | lang_reloc_statement_type *p = new_stat (lang_reloc_statement, stat_ptr); | |
2713 | ||
2714 | p->reloc = reloc; | |
2715 | p->howto = howto; | |
2716 | p->section = section; | |
2717 | p->name = name; | |
2718 | p->addend_exp = addend; | |
2719 | ||
2720 | p->addend_value = 0; | |
2721 | p->output_section = NULL; | |
2722 | p->output_vma = 0; | |
2723 | } | |
2724 | ||
2fa0b342 | 2725 | void |
8ddef552 DM |
2726 | lang_add_assignment (exp) |
2727 | etree_type * exp; | |
2fa0b342 | 2728 | { |
075d7359 SC |
2729 | lang_assignment_statement_type *new = new_stat (lang_assignment_statement, |
2730 | stat_ptr); | |
2731 | ||
2fa0b342 DHW |
2732 | new->exp = exp; |
2733 | } | |
2734 | ||
2735 | void | |
8ddef552 DM |
2736 | lang_add_attribute (attribute) |
2737 | enum statement_enum attribute; | |
2fa0b342 | 2738 | { |
075d7359 | 2739 | new_statement (attribute, sizeof (lang_statement_union_type), stat_ptr); |
2fa0b342 DHW |
2740 | } |
2741 | ||
075d7359 | 2742 | void |
8ddef552 DM |
2743 | lang_startup (name) |
2744 | CONST char *name; | |
2fa0b342 | 2745 | { |
075d7359 SC |
2746 | if (startup_file != (char *) NULL) |
2747 | { | |
ddddcdf0 | 2748 | einfo ("%P%Fmultiple STARTUP files\n"); |
075d7359 | 2749 | } |
2fa0b342 DHW |
2750 | first_file->filename = name; |
2751 | first_file->local_sym_name = name; | |
2752 | ||
075d7359 | 2753 | startup_file = name; |
2fa0b342 | 2754 | } |
075d7359 SC |
2755 | |
2756 | void | |
8ddef552 DM |
2757 | lang_float (maybe) |
2758 | boolean maybe; | |
2fa0b342 DHW |
2759 | { |
2760 | lang_float_flag = maybe; | |
2761 | } | |
2762 | ||
075d7359 | 2763 | void |
8ddef552 DM |
2764 | lang_leave_output_section_statement (fill, memspec) |
2765 | bfd_vma fill; | |
2766 | CONST char *memspec; | |
2fa0b342 DHW |
2767 | { |
2768 | current_section->fill = fill; | |
075d7359 | 2769 | current_section->region = lang_memory_region_lookup (memspec); |
2fa0b342 | 2770 | stat_ptr = &statement_list; |
81016051 SC |
2771 | |
2772 | /* We remember if we are closing a .data section, since we use it to | |
2773 | store constructors in */ | |
075d7359 SC |
2774 | if (strcmp (current_section->name, ".data") == 0) |
2775 | { | |
2776 | end_of_data_section_statement_list = statement_list; | |
81016051 | 2777 | |
075d7359 | 2778 | } |
2fa0b342 | 2779 | } |
075d7359 | 2780 | |
9f32f7c2 SC |
2781 | /* |
2782 | Create an absolute symbol with the given name with the value of the | |
2783 | address of first byte of the section named. | |
2fa0b342 | 2784 | |
9f32f7c2 SC |
2785 | If the symbol already exists, then do nothing. |
2786 | */ | |
8cb5eb31 | 2787 | void |
c477527c ILT |
2788 | lang_abs_symbol_at_beginning_of (secname, name) |
2789 | const char *secname; | |
2790 | const char *name; | |
075d7359 | 2791 | { |
c477527c ILT |
2792 | struct bfd_link_hash_entry *h; |
2793 | ||
2794 | h = bfd_link_hash_lookup (link_info.hash, name, true, true, true); | |
2795 | if (h == (struct bfd_link_hash_entry *) NULL) | |
2796 | einfo ("%P%F: bfd_link_hash_lookup failed: %E\n"); | |
2797 | ||
2798 | if (h->type == bfd_link_hash_new | |
2799 | || h->type == bfd_link_hash_undefined) | |
075d7359 | 2800 | { |
c477527c | 2801 | asection *sec; |
075d7359 | 2802 | |
c477527c ILT |
2803 | h->type = bfd_link_hash_defined; |
2804 | ||
2805 | sec = bfd_get_section_by_name (output_bfd, secname); | |
2806 | if (sec == (asection *) NULL) | |
2807 | h->u.def.value = 0; | |
075d7359 | 2808 | else |
c477527c ILT |
2809 | h->u.def.value = bfd_get_section_vma (output_bfd, sec); |
2810 | ||
2811 | h->u.def.section = &bfd_abs_section; | |
9f32f7c2 | 2812 | } |
8cb5eb31 SC |
2813 | } |
2814 | ||
9f32f7c2 SC |
2815 | /* |
2816 | Create an absolute symbol with the given name with the value of the | |
2817 | address of the first byte after the end of the section named. | |
2818 | ||
2819 | If the symbol already exists, then do nothing. | |
2820 | */ | |
2fa0b342 | 2821 | void |
c477527c ILT |
2822 | lang_abs_symbol_at_end_of (secname, name) |
2823 | const char *secname; | |
2824 | const char *name; | |
075d7359 | 2825 | { |
c477527c ILT |
2826 | struct bfd_link_hash_entry *h; |
2827 | ||
2828 | h = bfd_link_hash_lookup (link_info.hash, name, true, true, true); | |
2829 | if (h == (struct bfd_link_hash_entry *) NULL) | |
2830 | einfo ("%P%F: bfd_link_hash_lookup failed: %E\n"); | |
2831 | ||
2832 | if (h->type == bfd_link_hash_new | |
2833 | || h->type == bfd_link_hash_undefined) | |
075d7359 | 2834 | { |
c477527c | 2835 | asection *sec; |
075d7359 | 2836 | |
c477527c | 2837 | h->type = bfd_link_hash_defined; |
075d7359 | 2838 | |
c477527c ILT |
2839 | sec = bfd_get_section_by_name (output_bfd, secname); |
2840 | if (sec == (asection *) NULL) | |
2841 | h->u.def.value = 0; | |
075d7359 | 2842 | else |
c477527c ILT |
2843 | h->u.def.value = (bfd_get_section_vma (output_bfd, sec) |
2844 | + bfd_section_size (output_bfd, sec)); | |
2845 | ||
2846 | h->u.def.section = &bfd_abs_section; | |
9f32f7c2 | 2847 | } |
2fa0b342 DHW |
2848 | } |
2849 | ||
075d7359 | 2850 | void |
8ddef552 DM |
2851 | lang_statement_append (list, element, field) |
2852 | lang_statement_list_type * list; | |
2853 | lang_statement_union_type * element; | |
2854 | lang_statement_union_type ** field; | |
2fa0b342 DHW |
2855 | { |
2856 | *(list->tail) = element; | |
2857 | list->tail = field; | |
2858 | } | |
2859 | ||
173a0c3d | 2860 | /* Set the output format type. -oformat overrides scripts. */ |
097879bc | 2861 | void |
173a0c3d | 2862 | lang_add_output_format (format, from_script) |
8ddef552 | 2863 | CONST char *format; |
173a0c3d | 2864 | int from_script; |
097879bc | 2865 | { |
2c6635a4 | 2866 | if (output_target == NULL || !from_script) |
173a0c3d | 2867 | output_target = format; |
097879bc | 2868 | } |