Commit | Line | Data |
---|---|---|
e20873a7 | 1 | /* Linker command language support. |
a4aeaacf | 2 | Copyright 1991, 1992, 1993 Free Software Foundation, Inc. |
075d7359 | 3 | |
2fa0b342 DHW |
4 | This file is part of GLD, the Gnu Linker. |
5 | ||
6 | GLD is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 1, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GLD is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GLD; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
2fa0b342 | 20 | #include "bfd.h" |
075d7359 | 21 | #include "sysdep.h" |
2fa0b342 DHW |
22 | |
23 | #include "ld.h" | |
2fa0b342 | 24 | #include "ldsym.h" |
fcf276c4 | 25 | #include "ldmain.h" |
7bc4a0d7 | 26 | #include "ldgram.h" |
81016051 | 27 | #include "ldwarn.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 SC |
33 | #include "ldindr.h" |
34 | #include "ldctor.h" | |
fcf276c4 ILT |
35 | #include "ldfile.h" |
36 | #include "relax.h" | |
b98bd3db | 37 | |
2fa0b342 | 38 | /* FORWARDS */ |
e20873a7 JG |
39 | static void print_statements PARAMS ((void)); |
40 | static void print_statement PARAMS ((lang_statement_union_type *, | |
075d7359 | 41 | lang_output_section_statement_type *)); |
5af8e9d6 KR |
42 | static lang_statement_union_type *new_statement PARAMS ((enum statement_enum, |
43 | size_t, | |
44 | lang_statement_list_type*)); | |
45 | ||
2fa0b342 | 46 | |
d4c02e29 | 47 | /* LOCALS */ |
bfbdc80f | 48 | static struct obstack stat_obstack; |
075d7359 | 49 | |
bfbdc80f SC |
50 | #define obstack_chunk_alloc ldmalloc |
51 | #define obstack_chunk_free free | |
075d7359 | 52 | static CONST char *startup_file; |
d4c02e29 | 53 | static lang_statement_list_type input_file_chain; |
81016051 SC |
54 | |
55 | /* Points to the last statement in the .data section, so we can add | |
56 | stuff to the data section without pain */ | |
57 | static lang_statement_list_type end_of_data_section_statement_list; | |
58 | ||
d4c02e29 SC |
59 | static boolean placed_commons = false; |
60 | static lang_output_section_statement_type *default_common_section; | |
61 | static boolean map_option_f; | |
62 | static bfd_vma print_dot; | |
63 | static lang_input_statement_type *first_file; | |
64 | static lang_statement_list_type lang_output_section_statement; | |
65 | static CONST char *current_target; | |
66 | static CONST char *output_target; | |
fcf276c4 | 67 | static int longest_section_name = 8; |
d4c02e29 | 68 | static lang_statement_list_type statement_list; |
ffc50032 | 69 | |
9f629407 ILT |
70 | static void print_size PARAMS ((size_t value)); |
71 | static void print_alignment PARAMS ((unsigned int value)); | |
72 | static void print_fill PARAMS ((fill_type value)); | |
73 | static void print_section PARAMS ((const char *name)); | |
74 | static void lang_for_each_statement_worker | |
75 | PARAMS ((void (*func) (lang_statement_union_type *), | |
76 | lang_statement_union_type *s)); | |
77 | static lang_input_statement_type *new_afile | |
78 | PARAMS ((const char *name, lang_input_file_enum_type file_type, | |
79 | const char *target)); | |
80 | static void print_flags PARAMS ((int *ignore_flags)); | |
81 | static void init_os PARAMS ((lang_output_section_statement_type *s)); | |
82 | static void wild_doit PARAMS ((lang_statement_list_type *ptr, | |
83 | asection *section, | |
84 | lang_output_section_statement_type *output, | |
85 | lang_input_statement_type *file)); | |
86 | static asection *our_bfd_get_section_by_name PARAMS ((bfd *abfd, | |
87 | const char *section)); | |
88 | static void wild_section PARAMS ((lang_wild_statement_type *ptr, | |
89 | const char *section, | |
90 | lang_input_statement_type *file, | |
91 | lang_output_section_statement_type *output)); | |
92 | static lang_input_statement_type *lookup_name PARAMS ((const char *name)); | |
93 | static void wild PARAMS ((lang_wild_statement_type *s, | |
94 | const char *section, const char *file, | |
95 | const char *target, | |
96 | lang_output_section_statement_type *output)); | |
97 | static bfd *open_output PARAMS ((const char *name)); | |
98 | static void ldlang_open_output PARAMS ((lang_statement_union_type *statement)); | |
99 | static void open_input_bfds PARAMS ((lang_statement_union_type *statement)); | |
100 | static void lang_reasonable_defaults PARAMS ((void)); | |
101 | static void lang_place_undefineds PARAMS ((void)); | |
102 | static void lang_create_output_section_statements PARAMS ((void)); | |
103 | static void lang_init_script_file PARAMS ((void)); | |
104 | static void map_input_to_output_sections | |
105 | PARAMS ((lang_statement_union_type *s, | |
106 | const char *target, | |
107 | lang_output_section_statement_type *output_section_statement)); | |
108 | static void print_output_section_statement | |
109 | PARAMS ((lang_output_section_statement_type *output_section_statement)); | |
110 | static void print_assignment | |
111 | PARAMS ((lang_assignment_statement_type *assignment, | |
112 | lang_output_section_statement_type *output_section)); | |
113 | static void print_input_statement PARAMS ((lang_input_statement_type *statm)); | |
114 | static void print_symbol PARAMS ((asymbol *q)); | |
115 | static void print_input_section PARAMS ((lang_input_section_type *in)); | |
116 | static void print_fill_statement PARAMS ((lang_fill_statement_type *fill)); | |
117 | static void print_data_statement PARAMS ((lang_data_statement_type *data)); | |
118 | static void print_padding_statement PARAMS ((lang_padding_statement_type *s)); | |
119 | static void print_wild_statement | |
120 | PARAMS ((lang_wild_statement_type *w, | |
121 | lang_output_section_statement_type *os)); | |
122 | static void print_statement PARAMS ((lang_statement_union_type *s, | |
123 | lang_output_section_statement_type *os)); | |
124 | static void print_statements PARAMS ((void)); | |
125 | static bfd_vma insert_pad PARAMS ((lang_statement_union_type **this_ptr, | |
126 | fill_type fill, unsigned int power, | |
127 | asection *output_section_statement, | |
128 | bfd_vma dot)); | |
129 | static bfd_vma size_input_section | |
130 | PARAMS ((lang_statement_union_type **this_ptr, | |
131 | lang_output_section_statement_type *output_section_statement, | |
132 | unsigned short fill, bfd_vma dot, boolean relax)); | |
133 | static bfd_vma lang_size_sections | |
134 | PARAMS ((lang_statement_union_type *s, | |
135 | lang_output_section_statement_type *output_section_statement, | |
136 | lang_statement_union_type **prev, unsigned short fill, | |
137 | bfd_vma dot, boolean relax)); | |
138 | static bfd_vma lang_do_assignments | |
139 | PARAMS ((lang_statement_union_type * s, | |
140 | lang_output_section_statement_type *output_section_statement, | |
141 | unsigned short fill, | |
142 | bfd_vma dot)); | |
143 | static void lang_relocate_globals PARAMS ((void)); | |
144 | static void lang_finish PARAMS ((void)); | |
145 | static void lang_check PARAMS ((void)); | |
146 | static void lang_common PARAMS ((void)); | |
147 | static void lang_place_orphans PARAMS ((void)); | |
148 | static int topower PARAMS ((int)); | |
149 | static void reset_memory_regions PARAMS ((void)); | |
150 | ||
2fa0b342 | 151 | /* EXPORTS */ |
c611e285 | 152 | boolean relaxing; |
ffc50032 | 153 | lang_output_section_statement_type *abs_output_section; |
d4c02e29 SC |
154 | lang_statement_list_type *stat_ptr = &statement_list; |
155 | lang_input_statement_type *script_file = 0; | |
075d7359 SC |
156 | lang_statement_list_type file_chain = |
157 | {0}; | |
d4c02e29 | 158 | CONST char *entry_symbol = 0; |
3f8d46e7 | 159 | bfd_size_type largest_section = 0; |
d4c02e29 SC |
160 | boolean lang_has_input_file = false; |
161 | lang_output_section_statement_type *create_object_symbols = 0; | |
162 | boolean had_output_filename = false; | |
163 | boolean lang_float_flag = false; | |
97fbbaca | 164 | boolean delete_output_file_on_failure = false; |
075d7359 | 165 | |
9fce28ed SC |
166 | etree_type *base; /* Relocation base - or null */ |
167 | ||
168 | ||
2fa0b342 DHW |
169 | #ifdef __STDC__ |
170 | #define cat(a,b) a##b | |
171 | #else | |
172 | #define cat(a,b) a/**/b | |
173 | #endif | |
174 | ||
175 | #define new_stat(x,y) (cat(x,_type)*) new_statement(cat(x,_enum), sizeof(cat(x,_type)),y) | |
176 | ||
177 | #define outside_section_address(q) ( (q)->output_offset + (q)->output_section->vma) | |
178 | ||
179 | #define outside_symbol_address(q) ((q)->value + outside_section_address(q->section)) | |
180 | ||
bfbdc80f | 181 | PTR |
8ddef552 DM |
182 | stat_alloc (size) |
183 | size_t size; | |
bfbdc80f | 184 | { |
075d7359 | 185 | return obstack_alloc (&stat_obstack, size); |
bfbdc80f | 186 | } |
9f629407 | 187 | |
075d7359 | 188 | static void |
8ddef552 DM |
189 | print_size (value) |
190 | size_t value; | |
3f8d46e7 | 191 | { |
075d7359 | 192 | fprintf (config.map_file, "%5x", (unsigned) value); |
3f8d46e7 | 193 | } |
9f629407 | 194 | |
075d7359 | 195 | static void |
8ddef552 DM |
196 | print_alignment (value) |
197 | unsigned int value; | |
3f8d46e7 | 198 | { |
075d7359 | 199 | fprintf (config.map_file, "2**%1u", value); |
3f8d46e7 | 200 | } |
9f629407 | 201 | |
075d7359 | 202 | static void |
9f629407 ILT |
203 | print_fill (value) |
204 | fill_type value; | |
3f8d46e7 | 205 | { |
075d7359 | 206 | fprintf (config.map_file, "%04x", (unsigned) value); |
3f8d46e7 JG |
207 | } |
208 | ||
075d7359 | 209 | static void |
8ddef552 | 210 | print_section (name) |
9f629407 | 211 | CONST char *name; |
3f8d46e7 | 212 | { |
075d7359 | 213 | fprintf (config.map_file, "%*s", -longest_section_name, name); |
3f8d46e7 | 214 | } |
2fa0b342 | 215 | |
1418c83b SC |
216 | /*---------------------------------------------------------------------- |
217 | lang_for_each_statement walks the parse tree and calls the provided | |
218 | function for each node | |
219 | */ | |
220 | ||
075d7359 | 221 | static void |
8ddef552 | 222 | lang_for_each_statement_worker (func, s) |
9f629407 | 223 | void (*func) (lang_statement_union_type *); |
8ddef552 | 224 | lang_statement_union_type *s; |
1418c83b | 225 | { |
075d7359 SC |
226 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
227 | { | |
228 | func (s); | |
1418c83b | 229 | |
075d7359 SC |
230 | switch (s->header.type) |
231 | { | |
81016051 | 232 | case lang_constructors_statement_enum: |
075d7359 | 233 | lang_for_each_statement_worker (func, constructor_list.head); |
81016051 | 234 | break; |
1418c83b SC |
235 | case lang_output_section_statement_enum: |
236 | lang_for_each_statement_worker | |
075d7359 | 237 | (func, |
1418c83b SC |
238 | s->output_section_statement.children.head); |
239 | break; | |
240 | case lang_wild_statement_enum: | |
241 | lang_for_each_statement_worker | |
075d7359 | 242 | (func, |
1418c83b SC |
243 | s->wild_statement.children.head); |
244 | break; | |
245 | case lang_data_statement_enum: | |
246 | case lang_object_symbols_statement_enum: | |
247 | case lang_output_statement_enum: | |
248 | case lang_target_statement_enum: | |
249 | case lang_input_section_enum: | |
250 | case lang_input_statement_enum: | |
1418c83b SC |
251 | case lang_assignment_statement_enum: |
252 | case lang_padding_statement_enum: | |
253 | case lang_address_statement_enum: | |
254 | break; | |
255 | default: | |
075d7359 | 256 | FAIL (); |
1418c83b SC |
257 | break; |
258 | } | |
075d7359 | 259 | } |
1418c83b SC |
260 | } |
261 | ||
262 | void | |
8ddef552 | 263 | lang_for_each_statement (func) |
9f629407 | 264 | void (*func) (lang_statement_union_type *); |
1418c83b | 265 | { |
075d7359 SC |
266 | lang_for_each_statement_worker (func, |
267 | statement_list.head); | |
1418c83b | 268 | } |
075d7359 | 269 | |
1418c83b | 270 | /*----------------------------------------------------------------------*/ |
075d7359 | 271 | void |
8ddef552 DM |
272 | lang_list_init (list) |
273 | lang_statement_list_type *list; | |
2fa0b342 | 274 | { |
075d7359 SC |
275 | list->head = (lang_statement_union_type *) NULL; |
276 | list->tail = &list->head; | |
2fa0b342 DHW |
277 | } |
278 | ||
1418c83b | 279 | /*---------------------------------------------------------------------- |
075d7359 | 280 | |
1418c83b SC |
281 | build a new statement node for the parse tree |
282 | ||
283 | */ | |
2fa0b342 DHW |
284 | |
285 | static | |
075d7359 | 286 | lang_statement_union_type * |
8ddef552 DM |
287 | new_statement (type, size, list) |
288 | enum statement_enum type; | |
5af8e9d6 | 289 | size_t size; |
8ddef552 | 290 | lang_statement_list_type * list; |
2fa0b342 DHW |
291 | { |
292 | lang_statement_union_type *new = (lang_statement_union_type *) | |
075d7359 SC |
293 | stat_alloc (size); |
294 | ||
2fa0b342 | 295 | new->header.type = type; |
075d7359 SC |
296 | new->header.next = (lang_statement_union_type *) NULL; |
297 | lang_statement_append (list, new, &new->header.next); | |
2fa0b342 DHW |
298 | return new; |
299 | } | |
300 | ||
1418c83b SC |
301 | /* |
302 | Build a new input file node for the language. There are several ways | |
303 | in which we treat an input file, eg, we only look at symbols, or | |
304 | prefix it with a -l etc. | |
305 | ||
306 | We can be supplied with requests for input files more than once; | |
307 | they may, for example be split over serveral lines like foo.o(.text) | |
308 | foo.o(.data) etc, so when asked for a file we check that we havn't | |
309 | got it already so we don't duplicate the bfd. | |
310 | ||
311 | */ | |
2fa0b342 | 312 | static lang_input_statement_type * |
8ddef552 | 313 | new_afile (name, file_type, target) |
9f629407 ILT |
314 | CONST char *name; |
315 | lang_input_file_enum_type file_type; | |
316 | CONST char *target; | |
2fa0b342 | 317 | { |
dc4726c2 | 318 | |
075d7359 SC |
319 | lang_input_statement_type *p = new_stat (lang_input_statement, |
320 | stat_ptr); | |
321 | ||
2fa0b342 DHW |
322 | lang_has_input_file = true; |
323 | p->target = target; | |
ee4af9e8 | 324 | p->complained = false; |
075d7359 SC |
325 | switch (file_type) |
326 | { | |
327 | case lang_input_file_is_symbols_only_enum: | |
328 | p->filename = name; | |
329 | p->is_archive = false; | |
330 | p->real = true; | |
331 | p->local_sym_name = name; | |
332 | p->just_syms_flag = true; | |
333 | p->search_dirs_flag = false; | |
334 | break; | |
335 | case lang_input_file_is_fake_enum: | |
336 | p->filename = name; | |
337 | p->is_archive = false; | |
338 | p->real = false; | |
339 | p->local_sym_name = name; | |
340 | p->just_syms_flag = false; | |
341 | p->search_dirs_flag = false; | |
342 | break; | |
343 | case lang_input_file_is_l_enum: | |
344 | p->is_archive = true; | |
345 | p->filename = name; | |
346 | p->real = true; | |
347 | p->local_sym_name = concat ("-l", name, ""); | |
348 | p->just_syms_flag = false; | |
349 | p->search_dirs_flag = true; | |
350 | break; | |
351 | case lang_input_file_is_search_file_enum: | |
352 | case lang_input_file_is_marker_enum: | |
353 | p->filename = name; | |
354 | p->is_archive = false; | |
355 | p->real = true; | |
356 | p->local_sym_name = name; | |
357 | p->just_syms_flag = false; | |
358 | p->search_dirs_flag = true; | |
359 | break; | |
360 | case lang_input_file_is_file_enum: | |
361 | p->filename = name; | |
362 | p->is_archive = false; | |
363 | p->real = true; | |
364 | p->local_sym_name = name; | |
365 | p->just_syms_flag = false; | |
366 | p->search_dirs_flag = false; | |
367 | break; | |
368 | default: | |
369 | FAIL (); | |
370 | } | |
371 | p->asymbols = (asymbol **) NULL; | |
372 | p->superfile = (lang_input_statement_type *) NULL; | |
373 | p->next_real_file = (lang_statement_union_type *) NULL; | |
374 | p->next = (lang_statement_union_type *) NULL; | |
2fa0b342 | 375 | p->symbol_count = 0; |
075d7359 SC |
376 | p->common_output_section = (asection *) NULL; |
377 | lang_statement_append (&input_file_chain, | |
378 | (lang_statement_union_type *) p, | |
379 | &p->next_real_file); | |
2fa0b342 DHW |
380 | return p; |
381 | } | |
382 | ||
383 | lang_input_statement_type * | |
8ddef552 DM |
384 | lang_add_input_file (name, file_type, target) |
385 | CONST char *name; | |
386 | lang_input_file_enum_type file_type; | |
387 | CONST char *target; | |
2fa0b342 DHW |
388 | { |
389 | /* Look it up or build a new one */ | |
1418c83b | 390 | lang_has_input_file = true; |
a4aeaacf | 391 | |
1418c83b | 392 | #if 0 |
2fa0b342 DHW |
393 | lang_input_statement_type *p; |
394 | ||
075d7359 SC |
395 | for (p = (lang_input_statement_type *) input_file_chain.head; |
396 | p != (lang_input_statement_type *) NULL; | |
397 | p = (lang_input_statement_type *) (p->next_real_file)) | |
398 | { | |
399 | /* Sometimes we have incomplete entries in here */ | |
400 | if (p->filename != (char *) NULL) | |
401 | { | |
402 | if (strcmp (name, p->filename) == 0) | |
403 | return p; | |
1418c83b | 404 | } |
075d7359 SC |
405 | |
406 | } | |
1418c83b | 407 | #endif |
075d7359 | 408 | return new_afile (name, file_type, target); |
2fa0b342 DHW |
409 | } |
410 | ||
81150d34 | 411 | void |
8ddef552 DM |
412 | lang_add_keepsyms_file (filename) |
413 | CONST char *filename; | |
81150d34 | 414 | { |
81150d34 | 415 | if (keepsyms_file != 0) |
a4aeaacf | 416 | info_msg ("%X%P: error: duplicated keep-symbols-file value\n"); |
81150d34 ILT |
417 | keepsyms_file = filename; |
418 | if (strip_symbols != STRIP_NONE) | |
a4aeaacf | 419 | info_msg ("%P: `-keep-only-symbols-file' overrides `-s' and `-S'\n"); |
81150d34 ILT |
420 | strip_symbols = STRIP_SOME; |
421 | } | |
422 | ||
1418c83b | 423 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 424 | void |
8ddef552 | 425 | lang_init () |
2fa0b342 | 426 | { |
075d7359 | 427 | obstack_begin (&stat_obstack, 1000); |
2fa0b342 | 428 | |
075d7359 | 429 | stat_ptr = &statement_list; |
bfbdc80f | 430 | |
075d7359 | 431 | lang_list_init (stat_ptr); |
2fa0b342 | 432 | |
075d7359 SC |
433 | lang_list_init (&input_file_chain); |
434 | lang_list_init (&lang_output_section_statement); | |
435 | lang_list_init (&file_chain); | |
436 | first_file = lang_add_input_file ((char *) NULL, | |
437 | lang_input_file_is_marker_enum, | |
438 | (char *) NULL); | |
439 | abs_output_section = lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 440 | |
bfbdc80f | 441 | abs_output_section->bfd_section = &bfd_abs_section; |
9d1fe8a4 | 442 | |
2fa0b342 DHW |
443 | } |
444 | ||
1418c83b | 445 | /*---------------------------------------------------------------------- |
075d7359 SC |
446 | A region is an area of memory declared with the |
447 | MEMORY { name:org=exp, len=exp ... } | |
448 | syntax. | |
2fa0b342 | 449 | |
1418c83b | 450 | We maintain a list of all the regions here |
2fa0b342 | 451 | |
1418c83b SC |
452 | If no regions are specified in the script, then the default is used |
453 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
454 | */ |
455 | ||
456 | static lang_memory_region_type *lang_memory_region_list; | |
457 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
458 | ||
459 | lang_memory_region_type * | |
8ddef552 DM |
460 | lang_memory_region_lookup (name) |
461 | CONST char *CONST name; | |
2fa0b342 DHW |
462 | { |
463 | ||
075d7359 SC |
464 | lang_memory_region_type *p = lang_memory_region_list; |
465 | ||
1418c83b | 466 | for (p = lang_memory_region_list; |
075d7359 SC |
467 | p != (lang_memory_region_type *) NULL; |
468 | p = p->next) | |
469 | { | |
470 | if (strcmp (p->name, name) == 0) | |
471 | { | |
472 | return p; | |
473 | } | |
2fa0b342 | 474 | } |
075d7359 | 475 | if (strcmp (name, "*default*") == 0) |
2fa0b342 | 476 | { |
075d7359 SC |
477 | /* This is the default region, dig out first one on the list */ |
478 | if (lang_memory_region_list != (lang_memory_region_type *) NULL) | |
479 | { | |
480 | return lang_memory_region_list; | |
481 | } | |
2fa0b342 | 482 | } |
075d7359 SC |
483 | { |
484 | lang_memory_region_type *new = | |
485 | (lang_memory_region_type *) stat_alloc ((bfd_size_type) (sizeof (lang_memory_region_type))); | |
486 | ||
487 | new->name = buystring (name); | |
488 | new->next = (lang_memory_region_type *) NULL; | |
489 | ||
490 | *lang_memory_region_list_tail = new; | |
491 | lang_memory_region_list_tail = &new->next; | |
492 | new->origin = 0; | |
8ddef552 | 493 | new->length = ~(bfd_size_type)0; |
075d7359 SC |
494 | new->current = 0; |
495 | new->had_full_message = false; | |
496 | ||
497 | return new; | |
498 | } | |
2fa0b342 DHW |
499 | } |
500 | ||
501 | ||
2fa0b342 | 502 | lang_output_section_statement_type * |
8ddef552 DM |
503 | lang_output_section_find (name) |
504 | CONST char *CONST name; | |
2fa0b342 DHW |
505 | { |
506 | lang_statement_union_type *u; | |
507 | lang_output_section_statement_type *lookup; | |
508 | ||
509 | for (u = lang_output_section_statement.head; | |
075d7359 | 510 | u != (lang_statement_union_type *) NULL; |
2fa0b342 | 511 | u = lookup->next) |
075d7359 SC |
512 | { |
513 | lookup = &u->output_section_statement; | |
514 | if (strcmp (name, lookup->name) == 0) | |
515 | { | |
1418c83b SC |
516 | return lookup; |
517 | } | |
075d7359 SC |
518 | } |
519 | return (lang_output_section_statement_type *) NULL; | |
2fa0b342 DHW |
520 | } |
521 | ||
522 | lang_output_section_statement_type * | |
8ddef552 DM |
523 | lang_output_section_statement_lookup (name) |
524 | CONST char *CONST name; | |
2fa0b342 DHW |
525 | { |
526 | lang_output_section_statement_type *lookup; | |
2fa0b342 | 527 | |
075d7359 SC |
528 | lookup = lang_output_section_find (name); |
529 | if (lookup == (lang_output_section_statement_type *) NULL) | |
530 | { | |
2fa0b342 | 531 | |
075d7359 SC |
532 | lookup = (lang_output_section_statement_type *) |
533 | new_stat (lang_output_section_statement, stat_ptr); | |
534 | lookup->region = (lang_memory_region_type *) NULL; | |
535 | lookup->fill = 0; | |
536 | lookup->block_value = 1; | |
537 | lookup->name = name; | |
538 | ||
539 | lookup->next = (lang_statement_union_type *) NULL; | |
540 | lookup->bfd_section = (asection *) NULL; | |
541 | lookup->processed = false; | |
ae475b39 | 542 | lookup->loadable = 1; |
075d7359 SC |
543 | lookup->addr_tree = (etree_type *) NULL; |
544 | lang_list_init (&lookup->children); | |
545 | ||
1b8a42f3 ILT |
546 | lookup->memspec = (CONST char *) NULL; |
547 | lookup->flags = 0; | |
548 | lookup->subsection_alignment = -1; | |
549 | lookup->section_alignment = -1; | |
550 | lookup->load_base = (union etree_union *) NULL; | |
551 | ||
075d7359 SC |
552 | lang_statement_append (&lang_output_section_statement, |
553 | (lang_statement_union_type *) lookup, | |
554 | &lookup->next); | |
555 | } | |
556 | return lookup; | |
557 | } | |
2fa0b342 | 558 | |
9d1fe8a4 | 559 | /*ARGSUSED*/ |
2fa0b342 | 560 | static void |
8ddef552 DM |
561 | print_flags (ignore_flags) |
562 | int *ignore_flags; | |
2fa0b342 | 563 | { |
075d7359 | 564 | fprintf (config.map_file, "("); |
2fa0b342 | 565 | #if 0 |
075d7359 SC |
566 | if (flags->flag_read) |
567 | fprintf (outfile, "R"); | |
568 | if (flags->flag_write) | |
569 | fprintf (outfile, "W"); | |
570 | if (flags->flag_executable) | |
571 | fprintf (outfile, "X"); | |
572 | if (flags->flag_loadable) | |
573 | fprintf (outfile, "L"); | |
2fa0b342 | 574 | #endif |
ae475b39 | 575 | fprintf (config.map_file, ")"); |
2fa0b342 DHW |
576 | } |
577 | ||
578 | void | |
8ddef552 | 579 | lang_map () |
2fa0b342 DHW |
580 | { |
581 | lang_memory_region_type *m; | |
075d7359 SC |
582 | |
583 | fprintf (config.map_file, "**MEMORY CONFIGURATION**\n\n"); | |
48491e2e | 584 | #ifdef HOST_64_BIT |
075d7359 | 585 | fprintf (config.map_file, "name\t\torigin\t\tlength\t\tattributes\n"); |
48491e2e | 586 | #else |
ae475b39 SC |
587 | fprintf (config.map_file, |
588 | "name\t\torigin length r_size c_size is attributes\n"); | |
589 | ||
48491e2e | 590 | #endif |
2fa0b342 | 591 | for (m = lang_memory_region_list; |
075d7359 SC |
592 | m != (lang_memory_region_type *) NULL; |
593 | m = m->next) | |
2fa0b342 | 594 | { |
075d7359 SC |
595 | fprintf (config.map_file, "%-16s", m->name); |
596 | print_address (m->origin); | |
597 | print_space (); | |
8ddef552 | 598 | print_address ((bfd_vma)m->length); |
075d7359 | 599 | print_space (); |
8ddef552 | 600 | print_address ((bfd_vma)m->old_length); |
ae475b39 SC |
601 | print_space(); |
602 | print_address (m->current - m->origin); | |
603 | print_space(); | |
604 | if (m->old_length) | |
fcf276c4 ILT |
605 | fprintf (config.map_file, " %2d%% ", |
606 | (int) ((m->current - m->origin) * 100 / m->old_length)); | |
075d7359 SC |
607 | print_flags (&m->flags); |
608 | fprintf (config.map_file, "\n"); | |
2fa0b342 | 609 | } |
075d7359 SC |
610 | fprintf (config.map_file, "\n\n**LINK EDITOR MEMORY MAP**\n\n"); |
611 | fprintf (config.map_file, "output input virtual\n"); | |
612 | fprintf (config.map_file, "section section address tsize\n\n"); | |
2fa0b342 | 613 | |
075d7359 | 614 | print_statements (); |
2fa0b342 DHW |
615 | |
616 | } | |
617 | ||
618 | /* | |
619 | * | |
620 | */ | |
075d7359 | 621 | static void |
8ddef552 DM |
622 | init_os (s) |
623 | lang_output_section_statement_type * s; | |
2fa0b342 | 624 | { |
9d1fe8a4 SC |
625 | /* asection *section = bfd_get_section_by_name(output_bfd, s->name);*/ |
626 | section_userdata_type *new = | |
075d7359 SC |
627 | (section_userdata_type *) |
628 | stat_alloc ((bfd_size_type) (sizeof (section_userdata_type))); | |
629 | ||
630 | s->bfd_section = bfd_get_section_by_name (output_bfd, s->name); | |
631 | if (s->bfd_section == (asection *) NULL) | |
632 | s->bfd_section = bfd_make_section (output_bfd, s->name); | |
633 | if (s->bfd_section == (asection *) NULL) | |
634 | { | |
ddddcdf0 | 635 | einfo ("%P%F: output format %s cannot represent section called %s\n", |
075d7359 | 636 | output_bfd->xvec->name, s->name); |
9d1fe8a4 | 637 | } |
2fa0b342 | 638 | s->bfd_section->output_section = s->bfd_section; |
ae475b39 | 639 | /* s->bfd_section->flags = s->flags;*/ |
7bc4a0d7 | 640 | |
2fa0b342 DHW |
641 | /* We initialize an output sections output offset to minus its own */ |
642 | /* vma to allow us to output a section through itself */ | |
643 | s->bfd_section->output_offset = 0; | |
075d7359 | 644 | get_userdata (s->bfd_section) = (PTR) new; |
c611e285 | 645 | |
2fa0b342 DHW |
646 | } |
647 | ||
1418c83b SC |
648 | /*********************************************************************** |
649 | The wild routines. | |
650 | ||
651 | These expand statements like *(.text) and foo.o to a list of | |
652 | explicit actions, like foo.o(.text), bar.o(.text) and | |
653 | foo.o(.text,.data) . | |
654 | ||
655 | The toplevel routine, wild, takes a statement, section, file and | |
656 | target. If either the section or file is null it is taken to be the | |
657 | wildcard. Seperate lang_input_section statements are created for | |
658 | each part of the expanstion, and placed after the statement provided. | |
659 | ||
660 | */ | |
075d7359 | 661 | |
2fa0b342 | 662 | static void |
8ddef552 DM |
663 | wild_doit (ptr, section, output, file) |
664 | lang_statement_list_type * ptr; | |
665 | asection * section; | |
666 | lang_output_section_statement_type * output; | |
667 | lang_input_statement_type * file; | |
2fa0b342 | 668 | { |
075d7359 | 669 | if (output->bfd_section == (asection *) NULL) |
ae475b39 SC |
670 | { |
671 | init_os (output); | |
e9b63852 ILT |
672 | /* Initialize the vma and size to the existing section. This will |
673 | be overriden in lang_size_sections unless SEC_NEVER_LOAD gets | |
674 | set. */ | |
675 | if (section != (asection *) NULL) | |
676 | { | |
677 | bfd_set_section_vma (0, output->bfd_section, | |
678 | bfd_section_vma (0, section)); | |
679 | output->bfd_section->_raw_size = section->_raw_size; | |
680 | } | |
ae475b39 | 681 | } |
2fa0b342 | 682 | |
075d7359 SC |
683 | if (section != (asection *) NULL |
684 | && section->output_section == (asection *) NULL) | |
ae475b39 SC |
685 | { |
686 | /* Add a section reference to the list */ | |
687 | lang_input_section_type *new = new_stat (lang_input_section, ptr); | |
688 | ||
689 | new->section = section; | |
690 | new->ifile = file; | |
691 | section->output_section = output->bfd_section; | |
29f33467 SC |
692 | |
693 | /* Be selective about what the output section inherits from the | |
694 | input section */ | |
695 | ||
8ddef552 DM |
696 | if ((section->flags & SEC_SHARED_LIBRARY) != 0) |
697 | section->output_section->flags |= section->flags; | |
698 | else | |
9f629407 ILT |
699 | section->output_section->flags |= |
700 | section->flags & (flagword) (~ SEC_NEVER_LOAD); | |
29f33467 | 701 | |
ae475b39 | 702 | if (!output->loadable) |
075d7359 | 703 | { |
29f33467 | 704 | /* Turn off load flag */ |
ae475b39 | 705 | output->bfd_section->flags &= ~SEC_LOAD; |
29f33467 | 706 | output->bfd_section->flags |= SEC_NEVER_LOAD; |
ae475b39 SC |
707 | } |
708 | if (section->alignment_power > output->bfd_section->alignment_power) | |
709 | { | |
710 | output->bfd_section->alignment_power = section->alignment_power; | |
075d7359 | 711 | } |
e20873a7 JG |
712 | /* If supplied an aligmnet, then force it */ |
713 | if (output->section_alignment != -1) | |
714 | { | |
715 | output->bfd_section->alignment_power = output->section_alignment; | |
716 | } | |
ae475b39 | 717 | } |
2fa0b342 DHW |
718 | } |
719 | ||
720 | static asection * | |
8ddef552 DM |
721 | our_bfd_get_section_by_name (abfd, section) |
722 | bfd * abfd; | |
723 | CONST char *section; | |
2fa0b342 | 724 | { |
075d7359 | 725 | return bfd_get_section_by_name (abfd, section); |
2fa0b342 | 726 | } |
1418c83b | 727 | |
075d7359 | 728 | static void |
8ddef552 DM |
729 | wild_section (ptr, section, file, output) |
730 | lang_wild_statement_type * ptr; | |
731 | CONST char *section; | |
732 | lang_input_statement_type * file; | |
733 | lang_output_section_statement_type * output; | |
2fa0b342 DHW |
734 | { |
735 | asection *s; | |
075d7359 SC |
736 | |
737 | if (file->just_syms_flag == false) | |
738 | { | |
739 | if (section == (char *) NULL) | |
740 | { | |
741 | /* Do the creation to all sections in the file */ | |
742 | for (s = file->the_bfd->sections; s != (asection *) NULL; s = s->next) | |
29f33467 SC |
743 | { |
744 | /* except for bss */ | |
745 | if ((s->flags & SEC_IS_COMMON) == 0) | |
075d7359 SC |
746 | { |
747 | wild_doit (&ptr->children, s, output, file); | |
748 | } | |
29f33467 | 749 | } |
075d7359 SC |
750 | } |
751 | else | |
752 | { | |
753 | /* Do the creation to the named section only */ | |
754 | wild_doit (&ptr->children, | |
755 | our_bfd_get_section_by_name (file->the_bfd, section), | |
756 | output, file); | |
757 | } | |
2fa0b342 | 758 | } |
2fa0b342 DHW |
759 | } |
760 | ||
1418c83b SC |
761 | /* passed a file name (which must have been seen already and added to |
762 | the statement tree. We will see if it has been opened already and | |
763 | had its symbols read. If not then we'll read it. | |
2fa0b342 | 764 | |
1418c83b SC |
765 | Archives are pecuilar here. We may open them once, but if they do |
766 | not define anything we need at the time, they won't have all their | |
767 | symbols read. If we need them later, we'll have to redo it. | |
768 | */ | |
2fa0b342 | 769 | static |
1418c83b | 770 | lang_input_statement_type * |
8ddef552 | 771 | lookup_name (name) |
9f629407 | 772 | CONST char *name; |
2fa0b342 DHW |
773 | { |
774 | lang_input_statement_type *search; | |
075d7359 SC |
775 | |
776 | for (search = (lang_input_statement_type *) input_file_chain.head; | |
777 | search != (lang_input_statement_type *) NULL; | |
778 | search = (lang_input_statement_type *) search->next_real_file) | |
779 | { | |
780 | if (search->filename == (char *) NULL && name == (char *) NULL) | |
781 | { | |
2fa0b342 DHW |
782 | return search; |
783 | } | |
075d7359 SC |
784 | if (search->filename != (char *) NULL && name != (char *) NULL) |
785 | { | |
786 | if (strcmp (search->filename, name) == 0) | |
787 | { | |
788 | ldmain_open_file_read_symbol (search); | |
789 | return search; | |
790 | } | |
1418c83b | 791 | } |
075d7359 | 792 | } |
2fa0b342 | 793 | |
075d7359 SC |
794 | /* There isn't an afile entry for this file yet, this must be |
795 | because the name has only appeared inside a load script and not | |
1418c83b | 796 | on the command line */ |
075d7359 SC |
797 | search = new_afile (name, lang_input_file_is_file_enum, default_target); |
798 | ldmain_open_file_read_symbol (search); | |
2fa0b342 | 799 | return search; |
1418c83b SC |
800 | |
801 | ||
2fa0b342 DHW |
802 | } |
803 | ||
804 | static void | |
8ddef552 DM |
805 | wild (s, section, file, target, output) |
806 | lang_wild_statement_type * s; | |
9f629407 ILT |
807 | CONST char *section; |
808 | CONST char *file; | |
809 | CONST char *target; | |
8ddef552 | 810 | lang_output_section_statement_type * output; |
2fa0b342 DHW |
811 | { |
812 | lang_input_statement_type *f; | |
075d7359 SC |
813 | |
814 | if (file == (char *) NULL) | |
815 | { | |
816 | /* Perform the iteration over all files in the list */ | |
817 | for (f = (lang_input_statement_type *) file_chain.head; | |
818 | f != (lang_input_statement_type *) NULL; | |
819 | f = (lang_input_statement_type *) f->next) | |
820 | { | |
821 | wild_section (s, section, f, output); | |
822 | } | |
29f33467 SC |
823 | /* Once more for the script file */ |
824 | wild_section(s, section, script_file, output); | |
075d7359 SC |
825 | } |
826 | else | |
827 | { | |
828 | /* Perform the iteration over a single file */ | |
829 | wild_section (s, section, lookup_name (file), output); | |
830 | } | |
831 | if (section != (char *) NULL | |
832 | && strcmp (section, "COMMON") == 0 | |
833 | && default_common_section == (lang_output_section_statement_type *) NULL) | |
834 | { | |
835 | /* Remember the section that common is going to incase we later | |
836 | get something which doesn't know where to put it */ | |
837 | default_common_section = output; | |
2fa0b342 | 838 | } |
2fa0b342 DHW |
839 | } |
840 | ||
841 | /* | |
075d7359 | 842 | read in all the files |
2fa0b342 | 843 | */ |
97fbbaca | 844 | |
075d7359 | 845 | static bfd * |
8ddef552 | 846 | open_output (name) |
9f629407 | 847 | CONST char *name; |
2fa0b342 | 848 | { |
097879bc | 849 | bfd *output; |
097879bc | 850 | |
075d7359 | 851 | if (output_target == (char *) NULL) |
ae475b39 SC |
852 | { |
853 | if (current_target != (char *) NULL) | |
854 | output_target = current_target; | |
855 | else | |
856 | output_target = default_target; | |
857 | } | |
075d7359 | 858 | output = bfd_openw (name, output_target); |
075d7359 SC |
859 | |
860 | if (output == (bfd *) NULL) | |
861 | { | |
ae475b39 SC |
862 | if (bfd_error == invalid_target) |
863 | { | |
ddddcdf0 | 864 | einfo ("%P%F: target %s not found\n", output_target); |
ae475b39 | 865 | } |
ddddcdf0 | 866 | einfo ("%P%F: cannot open output file %s: %E\n", name); |
075d7359 | 867 | } |
30d1a390 | 868 | |
97fbbaca JL |
869 | delete_output_file_on_failure = 1; |
870 | ||
30d1a390 | 871 | /* output->flags |= D_PAGED;*/ |
075d7359 | 872 | |
ddddcdf0 ILT |
873 | if (! bfd_set_format (output, bfd_object)) |
874 | einfo ("%P%F:%s: can not make object file: %E\n", name); | |
875 | if (! bfd_set_arch_mach (output, | |
876 | ldfile_output_architecture, | |
877 | ldfile_output_machine)) | |
878 | einfo ("%P%F:%s: can not set architecture: %E\n", name); | |
879 | ||
1b8a42f3 | 880 | bfd_set_gp_size (output, g_switch_value); |
2fa0b342 DHW |
881 | return output; |
882 | } | |
1418c83b SC |
883 | |
884 | ||
097879bc | 885 | |
1418c83b | 886 | |
2fa0b342 | 887 | static void |
8ddef552 DM |
888 | ldlang_open_output (statement) |
889 | lang_statement_union_type * statement; | |
2fa0b342 | 890 | { |
075d7359 SC |
891 | switch (statement->header.type) |
892 | { | |
893 | case lang_output_statement_enum: | |
894 | output_bfd = open_output (statement->output_statement.name); | |
895 | ldemul_set_output_arch (); | |
896 | if (config.magic_demand_paged && !config.relocateable_output) | |
897 | output_bfd->flags |= D_PAGED; | |
898 | else | |
899 | output_bfd->flags &= ~D_PAGED; | |
900 | if (config.text_read_only) | |
901 | output_bfd->flags |= WP_TEXT; | |
902 | else | |
903 | output_bfd->flags &= ~WP_TEXT; | |
904 | break; | |
1418c83b | 905 | |
075d7359 SC |
906 | case lang_target_statement_enum: |
907 | current_target = statement->target_statement.target; | |
908 | break; | |
909 | default: | |
910 | break; | |
911 | } | |
1418c83b | 912 | } |
2fa0b342 | 913 | |
1418c83b | 914 | static void |
8ddef552 DM |
915 | open_input_bfds (statement) |
916 | lang_statement_union_type * statement; | |
1418c83b | 917 | { |
075d7359 SC |
918 | switch (statement->header.type) |
919 | { | |
1418c83b | 920 | case lang_target_statement_enum: |
075d7359 SC |
921 | current_target = statement->target_statement.target; |
922 | break; | |
923 | case lang_wild_statement_enum: | |
924 | /* Maybe we should load the file's symbols */ | |
925 | if (statement->wild_statement.filename) | |
926 | { | |
927 | (void) lookup_name (statement->wild_statement.filename); | |
928 | } | |
929 | break; | |
930 | case lang_input_statement_enum: | |
931 | if (statement->input_statement.real == true) | |
932 | { | |
933 | statement->input_statement.target = current_target; | |
934 | lookup_name (statement->input_statement.filename); | |
935 | } | |
936 | break; | |
937 | default: | |
938 | break; | |
939 | } | |
2fa0b342 | 940 | } |
075d7359 | 941 | |
2fa0b342 DHW |
942 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
943 | ||
944 | static void | |
075d7359 | 945 | lang_reasonable_defaults () |
2fa0b342 | 946 | { |
1418c83b | 947 | #if 0 |
075d7359 SC |
948 | lang_output_section_statement_lookup (".text"); |
949 | lang_output_section_statement_lookup (".data"); | |
8cb5eb31 | 950 | |
075d7359 SC |
951 | default_common_section = |
952 | lang_output_section_statement_lookup (".bss"); | |
8cb5eb31 | 953 | |
1418c83b | 954 | |
075d7359 SC |
955 | if (placed_commons == false) |
956 | { | |
957 | lang_wild_statement_type *new = | |
958 | new_stat (lang_wild_statement, | |
959 | &default_common_section->children); | |
960 | ||
961 | new->section_name = "COMMON"; | |
962 | new->filename = (char *) NULL; | |
963 | lang_list_init (&new->children); | |
964 | } | |
1418c83b | 965 | #endif |
8cb5eb31 | 966 | |
2fa0b342 DHW |
967 | } |
968 | ||
1418c83b SC |
969 | /* |
970 | Add the supplied name to the symbol table as an undefined reference. | |
971 | Remove items from the chain as we open input bfds | |
972 | */ | |
075d7359 SC |
973 | typedef struct ldlang_undef_chain_list |
974 | { | |
f177a611 | 975 | struct ldlang_undef_chain_list *next; |
1418c83b | 976 | char *name; |
075d7359 | 977 | } ldlang_undef_chain_list_type; |
1418c83b SC |
978 | |
979 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
980 | ||
981 | void | |
8ddef552 DM |
982 | ldlang_add_undef (name) |
983 | CONST char *CONST name; | |
2fa0b342 | 984 | { |
1418c83b | 985 | ldlang_undef_chain_list_type *new = |
075d7359 SC |
986 | (ldlang_undef_chain_list_type |
987 | *) stat_alloc ((bfd_size_type) (sizeof (ldlang_undef_chain_list_type))); | |
1418c83b SC |
988 | |
989 | new->next = ldlang_undef_chain_list_head; | |
990 | ldlang_undef_chain_list_head = new; | |
991 | ||
075d7359 | 992 | new->name = buystring (name); |
1418c83b | 993 | } |
075d7359 | 994 | |
1418c83b SC |
995 | /* Run through the list of undefineds created above and place them |
996 | into the linker hash table as undefined symbols belonging to the | |
997 | script file. | |
998 | */ | |
999 | static void | |
8ddef552 | 1000 | lang_place_undefineds () |
1418c83b SC |
1001 | { |
1002 | ldlang_undef_chain_list_type *ptr = ldlang_undef_chain_list_head; | |
1418c83b | 1003 | |
075d7359 SC |
1004 | while (ptr != (ldlang_undef_chain_list_type *) NULL) |
1005 | { | |
1006 | asymbol *def; | |
1007 | asymbol **def_ptr = (asymbol **) stat_alloc ((bfd_size_type) (sizeof (asymbol **))); | |
1008 | ||
1009 | def = (asymbol *) bfd_make_empty_symbol (script_file->the_bfd); | |
1010 | *def_ptr = def; | |
1011 | def->name = ptr->name; | |
1012 | def->section = &bfd_und_section; | |
ddddcdf0 | 1013 | enter_global_ref (def_ptr, ptr->name); |
075d7359 SC |
1014 | ptr = ptr->next; |
1015 | } | |
1016 | } | |
1418c83b SC |
1017 | |
1018 | /* Copy important data from out internal form to the bfd way. Also | |
1019 | create a section for the dummy file | |
1020 | */ | |
1021 | ||
1022 | static void | |
8ddef552 | 1023 | lang_create_output_section_statements () |
1418c83b | 1024 | { |
075d7359 SC |
1025 | lang_statement_union_type *os; |
1026 | ||
1418c83b | 1027 | for (os = lang_output_section_statement.head; |
075d7359 SC |
1028 | os != (lang_statement_union_type *) NULL; |
1029 | os = os->output_section_statement.next) | |
1030 | { | |
1031 | lang_output_section_statement_type *s = | |
1418c83b | 1032 | &os->output_section_statement; |
075d7359 SC |
1033 | |
1034 | init_os (s); | |
1035 | } | |
1418c83b SC |
1036 | |
1037 | } | |
1038 | ||
1039 | static void | |
8ddef552 | 1040 | lang_init_script_file () |
1418c83b | 1041 | { |
29f33467 | 1042 | script_file = lang_add_input_file ("command line", |
075d7359 SC |
1043 | lang_input_file_is_fake_enum, |
1044 | (char *) NULL); | |
29f33467 | 1045 | script_file->the_bfd = bfd_create ("command line", output_bfd); |
1418c83b | 1046 | script_file->symbol_count = 0; |
29f33467 SC |
1047 | script_file->the_bfd->sections = 0; |
1048 | ||
1049 | /* The user data of a bfd points to the input statement attatched */ | |
1050 | script_file->the_bfd->usrdata = (void *)script_file; | |
1051 | script_file->common_section = | |
1052 | bfd_make_section(script_file->the_bfd,"COMMON"); | |
1053 | ||
1054 | abs_output_section = | |
1055 | lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 1056 | |
075d7359 | 1057 | abs_output_section->bfd_section = &bfd_abs_section; |
9d1fe8a4 | 1058 | |
2fa0b342 DHW |
1059 | } |
1060 | ||
2fa0b342 DHW |
1061 | /* Open input files and attatch to output sections */ |
1062 | static void | |
8ddef552 DM |
1063 | map_input_to_output_sections (s, target, output_section_statement) |
1064 | lang_statement_union_type * s; | |
1065 | CONST char *target; | |
1066 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 | 1067 | { |
075d7359 | 1068 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1069 | { |
075d7359 | 1070 | switch (s->header.type) |
2fa0b342 | 1071 | { |
075d7359 SC |
1072 | |
1073 | ||
1074 | case lang_wild_statement_enum: | |
1075 | wild (&s->wild_statement, s->wild_statement.section_name, | |
1076 | s->wild_statement.filename, target, | |
1077 | output_section_statement); | |
1078 | ||
1079 | break; | |
1080 | case lang_constructors_statement_enum: | |
1081 | map_input_to_output_sections (constructor_list.head, | |
1082 | target, | |
1083 | output_section_statement); | |
1084 | break; | |
1085 | case lang_output_section_statement_enum: | |
1086 | map_input_to_output_sections (s->output_section_statement.children.head, | |
1087 | target, | |
1088 | &s->output_section_statement); | |
1089 | break; | |
1090 | case lang_output_statement_enum: | |
1091 | break; | |
1092 | case lang_target_statement_enum: | |
1093 | target = s->target_statement.target; | |
1094 | break; | |
1095 | case lang_fill_statement_enum: | |
1096 | case lang_input_section_enum: | |
1097 | case lang_object_symbols_statement_enum: | |
1098 | case lang_data_statement_enum: | |
1099 | case lang_assignment_statement_enum: | |
1100 | case lang_padding_statement_enum: | |
1101 | break; | |
1102 | case lang_afile_asection_pair_statement_enum: | |
1103 | FAIL (); | |
1104 | break; | |
1105 | case lang_address_statement_enum: | |
1106 | /* Mark the specified section with the supplied address */ | |
1107 | { | |
1108 | lang_output_section_statement_type *os = | |
2fa0b342 | 1109 | lang_output_section_statement_lookup |
075d7359 SC |
1110 | (s->address_statement.section_name); |
1111 | ||
1112 | os->addr_tree = s->address_statement.address; | |
1113 | if (os->bfd_section == (asection *) NULL) | |
1114 | { | |
ddddcdf0 | 1115 | einfo ("%P%F: cannot set the address of undefined section %s\n", |
075d7359 SC |
1116 | s->address_statement.section_name); |
1117 | } | |
48491e2e | 1118 | } |
075d7359 SC |
1119 | break; |
1120 | case lang_input_statement_enum: | |
1121 | /* A standard input statement, has no wildcards */ | |
1122 | /* ldmain_open_file_read_symbol(&s->input_statement);*/ | |
1123 | break; | |
2fa0b342 | 1124 | } |
2fa0b342 DHW |
1125 | } |
1126 | } | |
1127 | ||
075d7359 | 1128 | static void |
8ddef552 DM |
1129 | print_output_section_statement (output_section_statement) |
1130 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 DHW |
1131 | { |
1132 | asection *section = output_section_statement->bfd_section; | |
075d7359 SC |
1133 | |
1134 | print_nl (); | |
1135 | print_section (output_section_statement->name); | |
1136 | ||
e20873a7 | 1137 | |
075d7359 | 1138 | if (section) |
e20873a7 JG |
1139 | { |
1140 | print_dot = section->vma; | |
1141 | print_space (); | |
1142 | print_section (""); | |
1143 | print_space (); | |
1144 | print_address (section->vma); | |
1145 | print_space (); | |
1146 | print_size (section->_raw_size); | |
1147 | print_space(); | |
1148 | print_size(section->_cooked_size); | |
1149 | print_space (); | |
1150 | print_alignment (section->alignment_power); | |
1151 | print_space (); | |
2fa0b342 | 1152 | #if 0 |
e20873a7 JG |
1153 | fprintf (config.map_file, "%s flags", output_section_statement->region->name); |
1154 | print_flags (stdout, &output_section_statement->flags); | |
2fa0b342 | 1155 | #endif |
e20873a7 JG |
1156 | if (section->flags & SEC_LOAD) |
1157 | fprintf (config.map_file, "load "); | |
1158 | if (section->flags & SEC_ALLOC) | |
1159 | fprintf (config.map_file, "alloc "); | |
1160 | if (section->flags & SEC_RELOC) | |
1161 | fprintf (config.map_file, "reloc "); | |
1162 | if (section->flags & SEC_HAS_CONTENTS) | |
1163 | fprintf (config.map_file, "contents "); | |
2fa0b342 | 1164 | |
e20873a7 | 1165 | } |
075d7359 | 1166 | else |
e20873a7 JG |
1167 | { |
1168 | fprintf (config.map_file, "No attached output section"); | |
1169 | } | |
1170 | print_nl (); | |
9fce28ed SC |
1171 | if (output_section_statement->load_base) |
1172 | { | |
1173 | int b = exp_get_value_int(output_section_statement->load_base, | |
1174 | 0, "output base", lang_final_phase_enum); | |
1175 | printf("Output address %08x\n", b); | |
1176 | } | |
e20873a7 JG |
1177 | if (output_section_statement->section_alignment >= 0 |
1178 | || output_section_statement->section_alignment >= 0) | |
1179 | { | |
1180 | printf("\t\t\t\t\tforced alignment "); | |
1181 | if ( output_section_statement->section_alignment >= 0) | |
075d7359 | 1182 | { |
e20873a7 | 1183 | printf("section 2**%d ",output_section_statement->section_alignment ); |
075d7359 | 1184 | } |
e20873a7 JG |
1185 | if ( output_section_statement->subsection_alignment >= 0) |
1186 | { | |
1187 | printf("subsection 2**%d ",output_section_statement->subsection_alignment ); | |
1188 | } | |
1189 | ||
1190 | print_nl (); | |
1191 | } | |
075d7359 SC |
1192 | print_statement (output_section_statement->children.head, |
1193 | output_section_statement); | |
2fa0b342 DHW |
1194 | |
1195 | } | |
1196 | ||
075d7359 | 1197 | static void |
8ddef552 DM |
1198 | print_assignment (assignment, output_section) |
1199 | lang_assignment_statement_type * assignment; | |
1200 | lang_output_section_statement_type * output_section; | |
2fa0b342 DHW |
1201 | { |
1202 | etree_value_type result; | |
075d7359 SC |
1203 | |
1204 | print_section (""); | |
1205 | print_space (); | |
1206 | print_section (""); | |
1207 | print_space (); | |
1208 | print_address (print_dot); | |
1209 | print_space (); | |
1210 | result = exp_fold_tree (assignment->exp->assign.src, | |
1211 | output_section, | |
1212 | lang_final_phase_enum, | |
1213 | print_dot, | |
1214 | &print_dot); | |
1215 | ||
1216 | if (result.valid) | |
1217 | { | |
1218 | print_address (result.value); | |
1219 | } | |
1220 | else | |
1221 | { | |
1222 | fprintf (config.map_file, "*undefined*"); | |
1223 | } | |
1224 | print_space (); | |
1225 | exp_print_tree (assignment->exp); | |
1226 | ||
1227 | fprintf (config.map_file, "\n"); | |
2fa0b342 DHW |
1228 | } |
1229 | ||
1230 | static void | |
8ddef552 DM |
1231 | print_input_statement (statm) |
1232 | lang_input_statement_type * statm; | |
2fa0b342 | 1233 | { |
075d7359 SC |
1234 | if (statm->filename != (char *) NULL) |
1235 | { | |
1236 | fprintf (config.map_file, "LOAD %s\n", statm->filename); | |
1237 | } | |
2fa0b342 DHW |
1238 | } |
1239 | ||
075d7359 | 1240 | static void |
8ddef552 DM |
1241 | print_symbol (q) |
1242 | asymbol * q; | |
2fa0b342 | 1243 | { |
075d7359 SC |
1244 | print_section (""); |
1245 | fprintf (config.map_file, " "); | |
1246 | print_section (""); | |
1247 | fprintf (config.map_file, " "); | |
1248 | print_address (outside_symbol_address (q)); | |
1249 | fprintf (config.map_file, " %s", q->name ? q->name : " "); | |
a4aeaacf RS |
1250 | if (q->flags & BSF_WEAK) |
1251 | fprintf (config.map_file, " *weak*"); | |
075d7359 | 1252 | print_nl (); |
2fa0b342 | 1253 | } |
1418c83b | 1254 | |
075d7359 | 1255 | static void |
8ddef552 DM |
1256 | print_input_section (in) |
1257 | lang_input_section_type * in; | |
2fa0b342 DHW |
1258 | { |
1259 | asection *i = in->section; | |
aa34a7c3 | 1260 | int size = i->reloc_done ? |
075d7359 SC |
1261 | bfd_get_section_size_after_reloc (i) : |
1262 | bfd_get_section_size_before_reloc (i); | |
1418c83b | 1263 | |
075d7359 SC |
1264 | if (size != 0) |
1265 | { | |
1266 | print_section (""); | |
1267 | fprintf (config.map_file, " "); | |
1268 | print_section (i->name); | |
1269 | fprintf (config.map_file, " "); | |
1270 | if (i->output_section) | |
1271 | { | |
1272 | print_address (i->output_section->vma + i->output_offset); | |
1273 | fprintf (config.map_file, " "); | |
ae475b39 SC |
1274 | print_size (i->_raw_size); |
1275 | fprintf (config.map_file, " "); | |
1276 | print_size(i->_cooked_size); | |
075d7359 SC |
1277 | fprintf (config.map_file, " "); |
1278 | print_alignment (i->alignment_power); | |
1279 | fprintf (config.map_file, " "); | |
1280 | if (in->ifile) | |
1281 | { | |
2fa0b342 | 1282 | |
075d7359 | 1283 | bfd *abfd = in->ifile->the_bfd; |
2fa0b342 | 1284 | |
075d7359 SC |
1285 | if (in->ifile->just_syms_flag == true) |
1286 | { | |
1287 | fprintf (config.map_file, "symbols only "); | |
1288 | } | |
2fa0b342 | 1289 | |
075d7359 SC |
1290 | fprintf (config.map_file, " %s ", abfd->xvec->name); |
1291 | if (abfd->my_archive != (bfd *) NULL) | |
1292 | { | |
1293 | fprintf (config.map_file, "[%s]%s", abfd->my_archive->filename, | |
1294 | abfd->filename); | |
1295 | } | |
1296 | else | |
1297 | { | |
1298 | fprintf (config.map_file, "%s", abfd->filename); | |
1299 | } | |
1300 | fprintf (config.map_file, "(overhead %d bytes)", (int) bfd_alloc_size (abfd)); | |
1301 | print_nl (); | |
2fa0b342 | 1302 | |
075d7359 SC |
1303 | /* Find all the symbols in this file defined in this section */ |
1304 | ||
ae475b39 SC |
1305 | if (in->ifile->symbol_count) |
1306 | { | |
1307 | asymbol **p; | |
075d7359 | 1308 | |
ae475b39 SC |
1309 | for (p = in->ifile->asymbols; *p; p++) |
1310 | { | |
1311 | asymbol *q = *p; | |
075d7359 | 1312 | |
a4aeaacf RS |
1313 | if (bfd_get_section (q) == i |
1314 | && (q->flags & (BSF_GLOBAL | BSF_WEAK)) != 0) | |
ae475b39 SC |
1315 | { |
1316 | print_symbol (q); | |
1317 | } | |
1318 | } | |
1319 | } | |
075d7359 SC |
1320 | } |
1321 | else | |
1322 | { | |
1323 | print_nl (); | |
1324 | } | |
1325 | ||
1326 | ||
1327 | print_dot = outside_section_address (i) + size; | |
1328 | } | |
1329 | else | |
1330 | { | |
1331 | fprintf (config.map_file, "No output section allocated\n"); | |
1332 | } | |
1333 | } | |
1334 | } | |
2fa0b342 DHW |
1335 | |
1336 | static void | |
8ddef552 DM |
1337 | print_fill_statement (fill) |
1338 | lang_fill_statement_type * fill; | |
075d7359 SC |
1339 | { |
1340 | fprintf (config.map_file, "FILL mask "); | |
1341 | print_fill (fill->fill); | |
1342 | } | |
1343 | ||
1344 | static void | |
8ddef552 DM |
1345 | print_data_statement (data) |
1346 | lang_data_statement_type * data; | |
2fa0b342 DHW |
1347 | { |
1348 | /* bfd_vma value; */ | |
075d7359 SC |
1349 | print_section (""); |
1350 | print_space (); | |
1351 | print_section (""); | |
1352 | print_space (); | |
65c552e3 | 1353 | /* ASSERT(print_dot == data->output_vma);*/ |
2fa0b342 | 1354 | |
075d7359 SC |
1355 | print_address (data->output_vma + data->output_section->vma); |
1356 | print_space (); | |
1357 | print_address (data->value); | |
1358 | print_space (); | |
1359 | switch (data->type) | |
1360 | { | |
1361 | case BYTE: | |
1362 | fprintf (config.map_file, "BYTE "); | |
1363 | print_dot += BYTE_SIZE; | |
1364 | break; | |
1365 | case SHORT: | |
1366 | fprintf (config.map_file, "SHORT "); | |
1367 | print_dot += SHORT_SIZE; | |
1368 | break; | |
1369 | case LONG: | |
1370 | fprintf (config.map_file, "LONG "); | |
1371 | print_dot += LONG_SIZE; | |
1372 | break; | |
1373 | } | |
1374 | ||
1375 | exp_print_tree (data->exp); | |
2fa0b342 | 1376 | |
075d7359 | 1377 | fprintf (config.map_file, "\n"); |
2fa0b342 DHW |
1378 | } |
1379 | ||
1380 | ||
1381 | static void | |
8ddef552 DM |
1382 | print_padding_statement (s) |
1383 | lang_padding_statement_type * s; | |
075d7359 SC |
1384 | { |
1385 | print_section (""); | |
1386 | print_space (); | |
1387 | print_section ("*fill*"); | |
1388 | print_space (); | |
1389 | print_address (s->output_offset + s->output_section->vma); | |
1390 | print_space (); | |
1391 | print_size (s->size); | |
1392 | print_space (); | |
1393 | print_fill (s->fill); | |
1394 | print_nl (); | |
ffc50032 | 1395 | |
aa34a7c3 | 1396 | print_dot = s->output_offset + s->output_section->vma + s->size; |
ffc50032 | 1397 | |
2fa0b342 DHW |
1398 | } |
1399 | ||
075d7359 | 1400 | static void |
8ddef552 DM |
1401 | print_wild_statement (w, os) |
1402 | lang_wild_statement_type * w; | |
1403 | lang_output_section_statement_type * os; | |
2fa0b342 | 1404 | { |
075d7359 SC |
1405 | fprintf (config.map_file, " from "); |
1406 | if (w->filename != (char *) NULL) | |
1407 | { | |
1408 | fprintf (config.map_file, "%s", w->filename); | |
1409 | } | |
1410 | else | |
1411 | { | |
1412 | fprintf (config.map_file, "*"); | |
1413 | } | |
1414 | if (w->section_name != (char *) NULL) | |
1415 | { | |
1416 | fprintf (config.map_file, "(%s)", w->section_name); | |
1417 | } | |
1418 | else | |
1419 | { | |
1420 | fprintf (config.map_file, "(*)"); | |
1421 | } | |
1422 | print_nl (); | |
1423 | print_statement (w->children.head, os); | |
2fa0b342 DHW |
1424 | |
1425 | } | |
1426 | static void | |
8ddef552 DM |
1427 | print_statement (s, os) |
1428 | lang_statement_union_type * s; | |
1429 | lang_output_section_statement_type * os; | |
2fa0b342 | 1430 | { |
075d7359 | 1431 | while (s) |
c611e285 | 1432 | { |
075d7359 | 1433 | switch (s->header.type) |
c611e285 | 1434 | { |
075d7359 SC |
1435 | case lang_constructors_statement_enum: |
1436 | fprintf (config.map_file, "constructors:\n"); | |
1437 | print_statement (constructor_list.head, os); | |
1438 | break; | |
1439 | case lang_wild_statement_enum: | |
1440 | print_wild_statement (&s->wild_statement, os); | |
1441 | break; | |
1442 | default: | |
1443 | fprintf (config.map_file, "Fail with %d\n", s->header.type); | |
1444 | FAIL (); | |
1445 | break; | |
1446 | case lang_address_statement_enum: | |
1447 | fprintf (config.map_file, "address\n"); | |
1448 | break; | |
1449 | case lang_object_symbols_statement_enum: | |
1450 | fprintf (config.map_file, "object symbols\n"); | |
1451 | break; | |
1452 | case lang_fill_statement_enum: | |
1453 | print_fill_statement (&s->fill_statement); | |
1454 | break; | |
1455 | case lang_data_statement_enum: | |
1456 | print_data_statement (&s->data_statement); | |
1457 | break; | |
1458 | case lang_input_section_enum: | |
1459 | print_input_section (&s->input_section); | |
1460 | break; | |
1461 | case lang_padding_statement_enum: | |
1462 | print_padding_statement (&s->padding_statement); | |
1463 | break; | |
1464 | case lang_output_section_statement_enum: | |
1465 | print_output_section_statement (&s->output_section_statement); | |
1466 | break; | |
1467 | case lang_assignment_statement_enum: | |
1468 | print_assignment (&s->assignment_statement, | |
1469 | os); | |
1470 | break; | |
1471 | case lang_target_statement_enum: | |
1472 | fprintf (config.map_file, "TARGET(%s)\n", s->target_statement.target); | |
1473 | break; | |
1474 | case lang_output_statement_enum: | |
1475 | fprintf (config.map_file, "OUTPUT(%s %s)\n", | |
c611e285 | 1476 | s->output_statement.name, |
e20873a7 | 1477 | output_target ? output_target : ""); |
075d7359 SC |
1478 | break; |
1479 | case lang_input_statement_enum: | |
1480 | print_input_statement (&s->input_statement); | |
1481 | break; | |
1482 | case lang_afile_asection_pair_statement_enum: | |
1483 | FAIL (); | |
1484 | break; | |
c611e285 | 1485 | } |
075d7359 | 1486 | s = s->next; |
2fa0b342 | 1487 | } |
2fa0b342 DHW |
1488 | } |
1489 | ||
1490 | ||
1491 | static void | |
8ddef552 | 1492 | print_statements () |
2fa0b342 | 1493 | { |
075d7359 SC |
1494 | print_statement (statement_list.head, |
1495 | abs_output_section); | |
1496 | ||
2fa0b342 DHW |
1497 | } |
1498 | ||
1499 | static bfd_vma | |
9f629407 ILT |
1500 | insert_pad (this_ptr, fill, power, output_section_statement, dot) |
1501 | lang_statement_union_type ** this_ptr; | |
1502 | fill_type fill; | |
1503 | unsigned int power; | |
1504 | asection * output_section_statement; | |
1505 | bfd_vma dot; | |
075d7359 SC |
1506 | { |
1507 | /* Align this section first to the | |
2fa0b342 DHW |
1508 | input sections requirement, then |
1509 | to the output section's requirement. | |
075d7359 | 1510 | If this alignment is > than any seen before, |
2fa0b342 DHW |
1511 | then record it too. Perform the alignment by |
1512 | inserting a magic 'padding' statement. | |
1513 | */ | |
1514 | ||
075d7359 | 1515 | unsigned int alignment_needed = align_power (dot, power) - dot; |
2fa0b342 | 1516 | |
075d7359 | 1517 | if (alignment_needed != 0) |
2fa0b342 | 1518 | { |
075d7359 SC |
1519 | lang_statement_union_type *new = |
1520 | (lang_statement_union_type *) | |
1521 | stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type))); | |
1522 | ||
2fa0b342 DHW |
1523 | /* Link into existing chain */ |
1524 | new->header.next = *this_ptr; | |
1525 | *this_ptr = new; | |
1526 | new->header.type = lang_padding_statement_enum; | |
1527 | new->padding_statement.output_section = output_section_statement; | |
1528 | new->padding_statement.output_offset = | |
1529 | dot - output_section_statement->vma; | |
1530 | new->padding_statement.fill = fill; | |
1531 | new->padding_statement.size = alignment_needed; | |
1532 | } | |
1533 | ||
1534 | ||
1535 | /* Remember the most restrictive alignment */ | |
075d7359 SC |
1536 | if (power > output_section_statement->alignment_power) |
1537 | { | |
1538 | output_section_statement->alignment_power = power; | |
1539 | } | |
c611e285 | 1540 | output_section_statement->_raw_size += alignment_needed; |
2fa0b342 DHW |
1541 | return alignment_needed + dot; |
1542 | ||
1543 | } | |
1544 | ||
1418c83b | 1545 | /* Work out how much this section will move the dot point */ |
075d7359 | 1546 | static bfd_vma |
9f629407 ILT |
1547 | size_input_section (this_ptr, output_section_statement, fill, dot, relax) |
1548 | lang_statement_union_type ** this_ptr; | |
1549 | lang_output_section_statement_type * output_section_statement; | |
1550 | unsigned short fill; | |
1551 | bfd_vma dot; | |
1552 | boolean relax; | |
2fa0b342 DHW |
1553 | { |
1554 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1555 | asection *i = is->section; | |
2fa0b342 | 1556 | |
075d7359 SC |
1557 | if (is->ifile->just_syms_flag == false) |
1558 | { | |
e20873a7 JG |
1559 | if (output_section_statement->subsection_alignment != -1) |
1560 | i->alignment_power = | |
1561 | output_section_statement->subsection_alignment; | |
1562 | ||
075d7359 SC |
1563 | dot = insert_pad (this_ptr, fill, i->alignment_power, |
1564 | output_section_statement->bfd_section, dot); | |
1565 | ||
1566 | /* remember the largest size so we can malloc the largest area | |
1567 | needed for the output stage. Only remember the size of sections | |
1568 | which we will actually allocate */ | |
8ddef552 | 1569 | if ((i->flags & SEC_HAS_CONTENTS) != 0 |
075d7359 SC |
1570 | && (bfd_get_section_size_before_reloc (i) > largest_section)) |
1571 | { | |
1572 | largest_section = bfd_get_section_size_before_reloc (i); | |
1573 | } | |
2fa0b342 | 1574 | |
075d7359 | 1575 | /* Remember where in the output section this input section goes */ |
ac004870 | 1576 | |
075d7359 SC |
1577 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1578 | ||
ae475b39 SC |
1579 | /* Mark how big the output section must be to contain this now |
1580 | */ | |
1581 | if (relax) | |
1582 | { | |
1583 | dot += i->_cooked_size; | |
1584 | } | |
1585 | else | |
1586 | { | |
1587 | dot += i->_raw_size; | |
1588 | } | |
1589 | output_section_statement->bfd_section->_raw_size = dot - output_section_statement->bfd_section->vma; | |
075d7359 | 1590 | } |
ac004870 | 1591 | else |
075d7359 SC |
1592 | { |
1593 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1594 | } | |
2fa0b342 | 1595 | |
075d7359 | 1596 | return dot; |
2fa0b342 DHW |
1597 | } |
1598 | ||
c611e285 SC |
1599 | /* Sizing happens in two passes, first pass we allocate worst case |
1600 | stuff. The second pass (if relaxing), we use what we learnt to | |
1601 | change the size of some relocs from worst case to better | |
1602 | */ | |
1603 | static boolean had_relax; | |
1604 | ||
1605 | static bfd_vma | |
9f629407 ILT |
1606 | lang_size_sections (s, output_section_statement, prev, fill, dot, relax) |
1607 | lang_statement_union_type * s; | |
1608 | lang_output_section_statement_type * output_section_statement; | |
1609 | lang_statement_union_type ** prev; | |
1610 | unsigned short fill; | |
1611 | bfd_vma dot; | |
1612 | boolean relax; | |
c611e285 SC |
1613 | { |
1614 | /* Size up the sections from their constituent parts */ | |
075d7359 | 1615 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
ae475b39 SC |
1616 | { |
1617 | switch (s->header.type) | |
075d7359 | 1618 | { |
c611e285 | 1619 | |
ae475b39 SC |
1620 | case lang_output_section_statement_enum: |
1621 | { | |
1622 | bfd_vma after; | |
1623 | lang_output_section_statement_type *os = &s->output_section_statement; | |
1624 | ||
e20873a7 JG |
1625 | /* If this is a shared library section, don't change the size |
1626 | and address. */ | |
1627 | if (os->bfd_section->flags & SEC_SHARED_LIBRARY) | |
e9b63852 ILT |
1628 | break; |
1629 | ||
ae475b39 SC |
1630 | if (os->bfd_section == &bfd_abs_section) |
1631 | { | |
1632 | /* No matter what happens, an abs section starts at zero */ | |
1633 | bfd_set_section_vma (0, os->bfd_section, 0); | |
1634 | } | |
1635 | else | |
1636 | { | |
1637 | if (os->addr_tree == (etree_type *) NULL) | |
1638 | { | |
1639 | /* No address specified for this section, get one | |
1640 | from the region specification | |
1641 | */ | |
1642 | if (os->region == (lang_memory_region_type *) NULL) | |
1643 | { | |
1644 | os->region = lang_memory_region_lookup ("*default*"); | |
1645 | } | |
1646 | dot = os->region->current; | |
1647 | } | |
1648 | else | |
1649 | { | |
1650 | etree_value_type r; | |
1651 | ||
1652 | r = exp_fold_tree (os->addr_tree, | |
1653 | abs_output_section, | |
1654 | lang_allocating_phase_enum, | |
1655 | dot, &dot); | |
1656 | if (r.valid == false) | |
1657 | { | |
1658 | einfo ("%F%S: non constant address expression for section %s\n", | |
1659 | os->name); | |
1660 | } | |
1661 | dot = r.value; | |
1662 | } | |
1663 | /* The section starts here */ | |
1664 | /* First, align to what the section needs */ | |
1665 | ||
1666 | ||
1667 | dot = align_power (dot, os->bfd_section->alignment_power); | |
1668 | bfd_set_section_vma (0, os->bfd_section, dot); | |
9fce28ed SC |
1669 | |
1670 | if (os->load_base) { | |
1671 | os->bfd_section->lma | |
1672 | = exp_get_value_int(os->load_base, 0,"load base", lang_final_phase_enum); | |
1673 | } | |
ae475b39 SC |
1674 | } |
1675 | ||
1676 | ||
1677 | os->bfd_section->output_offset = 0; | |
1678 | ||
1679 | (void) lang_size_sections (os->children.head, os, &os->children.head, | |
1680 | os->fill, dot, relax); | |
1681 | /* Ignore the size of the input sections, use the vma and size to */ | |
1682 | /* align against */ | |
1683 | ||
8ddef552 | 1684 | after = ALIGN_N (os->bfd_section->vma + |
97fbbaca JL |
1685 | os->bfd_section->_raw_size, |
1686 | /* The coercion here is important, see ld.h. */ | |
1687 | (bfd_vma) os->block_value); | |
ae475b39 SC |
1688 | |
1689 | os->bfd_section->_raw_size = after - os->bfd_section->vma; | |
1690 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1691 | os->processed = true; | |
1692 | ||
1693 | /* Replace into region ? */ | |
1694 | if (os->addr_tree == (etree_type *) NULL | |
1695 | && os->region != (lang_memory_region_type *) NULL) | |
1696 | { | |
1697 | os->region->current = dot; | |
1698 | /* Make sure this isn't silly */ | |
9fce28ed SC |
1699 | if (( os->region->current |
1700 | > os->region->origin + os->region->length) | |
1701 | || ( os->region->origin > os->region->current )) | |
1702 | { | |
ddddcdf0 | 1703 | einfo ("%X%P: region %s is full (%B section %s)\n", |
9fce28ed SC |
1704 | os->region->name, |
1705 | os->bfd_section->owner, | |
1706 | os->bfd_section->name); | |
1707 | /* Reset the region pointer */ | |
1708 | os->region->current = 0; | |
ae475b39 | 1709 | |
9fce28ed | 1710 | } |
ae475b39 SC |
1711 | |
1712 | } | |
1713 | } | |
9d1fe8a4 | 1714 | |
ae475b39 SC |
1715 | break; |
1716 | case lang_constructors_statement_enum: | |
1717 | dot = lang_size_sections (constructor_list.head, | |
1718 | output_section_statement, | |
1719 | &s->wild_statement.children.head, | |
1720 | fill, | |
1721 | dot, relax); | |
1722 | break; | |
9d1fe8a4 | 1723 | |
ae475b39 SC |
1724 | case lang_data_statement_enum: |
1725 | { | |
1726 | unsigned int size = 0; | |
1727 | ||
1728 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; | |
1729 | s->data_statement.output_section = | |
1730 | output_section_statement->bfd_section; | |
1731 | ||
1732 | switch (s->data_statement.type) | |
1733 | { | |
1734 | case LONG: | |
1735 | size = LONG_SIZE; | |
1736 | break; | |
1737 | case SHORT: | |
1738 | size = SHORT_SIZE; | |
1739 | break; | |
1740 | case BYTE: | |
1741 | size = BYTE_SIZE; | |
1742 | break; | |
1743 | ||
1744 | } | |
1745 | dot += size; | |
1746 | output_section_statement->bfd_section->_raw_size += size; | |
1747 | } | |
1748 | break; | |
c611e285 | 1749 | |
ae475b39 | 1750 | case lang_wild_statement_enum: |
c611e285 | 1751 | |
ae475b39 SC |
1752 | dot = lang_size_sections (s->wild_statement.children.head, |
1753 | output_section_statement, | |
1754 | &s->wild_statement.children.head, | |
c611e285 | 1755 | |
ae475b39 | 1756 | fill, dot, relax); |
c611e285 | 1757 | |
ae475b39 | 1758 | break; |
c611e285 | 1759 | |
ae475b39 SC |
1760 | case lang_object_symbols_statement_enum: |
1761 | create_object_symbols = output_section_statement; | |
1762 | break; | |
1763 | case lang_output_statement_enum: | |
1764 | case lang_target_statement_enum: | |
1765 | break; | |
1766 | case lang_input_section_enum: | |
1767 | if (relax) | |
1768 | { | |
1769 | relaxing = true; | |
c611e285 | 1770 | |
ae475b39 SC |
1771 | if( relax_section (prev)) |
1772 | had_relax = true; | |
1773 | relaxing = false; | |
075d7359 | 1774 | |
ae475b39 SC |
1775 | } |
1776 | else { | |
1777 | (*prev)->input_section.section->_cooked_size = | |
1778 | (*prev)->input_section.section->_raw_size ; | |
075d7359 | 1779 | |
ae475b39 SC |
1780 | } |
1781 | dot = size_input_section (prev, | |
1782 | output_section_statement, | |
1783 | output_section_statement->fill, | |
1784 | dot, relax); | |
1785 | break; | |
1786 | case lang_input_statement_enum: | |
1787 | break; | |
1788 | case lang_fill_statement_enum: | |
1789 | s->fill_statement.output_section = output_section_statement->bfd_section; | |
075d7359 | 1790 | |
ae475b39 SC |
1791 | fill = s->fill_statement.fill; |
1792 | break; | |
1793 | case lang_assignment_statement_enum: | |
1794 | { | |
1795 | bfd_vma newdot = dot; | |
1796 | ||
1797 | exp_fold_tree (s->assignment_statement.exp, | |
1798 | output_section_statement, | |
1799 | lang_allocating_phase_enum, | |
1800 | dot, | |
1801 | &newdot); | |
1802 | ||
1803 | if (newdot != dot && !relax) | |
1804 | /* We've been moved ! so insert a pad */ | |
1805 | { | |
1806 | lang_statement_union_type *new = | |
1807 | (lang_statement_union_type *) | |
1808 | stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type))); | |
1809 | ||
1810 | /* Link into existing chain */ | |
1811 | new->header.next = *prev; | |
1812 | *prev = new; | |
1813 | new->header.type = lang_padding_statement_enum; | |
1814 | new->padding_statement.output_section = | |
1815 | output_section_statement->bfd_section; | |
1816 | new->padding_statement.output_offset = | |
1817 | dot - output_section_statement->bfd_section->vma; | |
1818 | new->padding_statement.fill = fill; | |
1819 | new->padding_statement.size = newdot - dot; | |
1820 | output_section_statement->bfd_section->_raw_size += | |
1821 | new->padding_statement.size; | |
1822 | dot = newdot; | |
1823 | } | |
1824 | } | |
075d7359 | 1825 | |
ae475b39 SC |
1826 | break; |
1827 | default: | |
1828 | FAIL (); | |
1829 | break; | |
1830 | /* This can only get here when relaxing is turned on */ | |
1831 | case lang_padding_statement_enum: | |
075d7359 | 1832 | |
ae475b39 SC |
1833 | case lang_address_statement_enum: |
1834 | break; | |
075d7359 | 1835 | } |
ae475b39 SC |
1836 | prev = &s->header.next; |
1837 | } | |
c611e285 SC |
1838 | return dot; |
1839 | } | |
9d1fe8a4 | 1840 | |
2fa0b342 | 1841 | static bfd_vma |
9f629407 ILT |
1842 | lang_do_assignments (s, output_section_statement, fill, dot) |
1843 | lang_statement_union_type * s; | |
1844 | lang_output_section_statement_type * output_section_statement; | |
1845 | unsigned short fill; | |
1846 | bfd_vma dot; | |
2fa0b342 | 1847 | { |
075d7359 | 1848 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1849 | { |
075d7359 | 1850 | switch (s->header.type) |
2fa0b342 | 1851 | { |
075d7359 SC |
1852 | case lang_constructors_statement_enum: |
1853 | dot = lang_do_assignments (constructor_list.head, | |
1854 | output_section_statement, | |
1855 | fill, | |
1856 | dot); | |
1857 | break; | |
1858 | ||
1859 | case lang_output_section_statement_enum: | |
1860 | { | |
1861 | lang_output_section_statement_type *os = | |
2fa0b342 | 1862 | &(s->output_section_statement); |
2fa0b342 | 1863 | |
075d7359 SC |
1864 | dot = os->bfd_section->vma; |
1865 | (void) lang_do_assignments (os->children.head, os, os->fill, dot); | |
1866 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1867 | } | |
1868 | break; | |
1869 | case lang_wild_statement_enum: | |
2fa0b342 | 1870 | |
075d7359 SC |
1871 | dot = lang_do_assignments (s->wild_statement.children.head, |
1872 | output_section_statement, | |
1873 | fill, dot); | |
2fa0b342 | 1874 | |
075d7359 SC |
1875 | break; |
1876 | ||
1877 | case lang_object_symbols_statement_enum: | |
1878 | case lang_output_statement_enum: | |
1879 | case lang_target_statement_enum: | |
1418c83b | 1880 | #if 0 |
075d7359 | 1881 | case lang_common_statement_enum: |
1418c83b | 1882 | #endif |
2fa0b342 | 1883 | break; |
075d7359 SC |
1884 | case lang_data_statement_enum: |
1885 | { | |
1886 | etree_value_type value; | |
1887 | ||
1888 | value = exp_fold_tree (s->data_statement.exp, | |
1889 | abs_output_section, | |
1890 | lang_final_phase_enum, dot, &dot); | |
1891 | s->data_statement.value = value.value; | |
1892 | if (value.valid == false) | |
ddddcdf0 | 1893 | einfo ("%F%P: invalid data statement\n"); |
075d7359 SC |
1894 | } |
1895 | switch (s->data_statement.type) | |
1896 | { | |
1897 | case LONG: | |
1898 | dot += LONG_SIZE; | |
1899 | break; | |
1900 | case SHORT: | |
1901 | dot += SHORT_SIZE; | |
1902 | break; | |
1903 | case BYTE: | |
1904 | dot += BYTE_SIZE; | |
1905 | break; | |
1906 | } | |
2fa0b342 | 1907 | break; |
075d7359 SC |
1908 | case lang_input_section_enum: |
1909 | { | |
1910 | asection *in = s->input_section.section; | |
1911 | ||
1912 | dot += bfd_get_section_size_before_reloc (in); | |
1913 | } | |
2fa0b342 | 1914 | break; |
2fa0b342 | 1915 | |
075d7359 SC |
1916 | case lang_input_statement_enum: |
1917 | break; | |
1918 | case lang_fill_statement_enum: | |
1919 | fill = s->fill_statement.fill; | |
1920 | break; | |
1921 | case lang_assignment_statement_enum: | |
1922 | { | |
1923 | exp_fold_tree (s->assignment_statement.exp, | |
1924 | output_section_statement, | |
1925 | lang_final_phase_enum, | |
1926 | dot, | |
1927 | &dot); | |
1928 | } | |
1929 | ||
1930 | break; | |
1931 | case lang_padding_statement_enum: | |
1932 | dot += s->padding_statement.size; | |
1933 | break; | |
1934 | default: | |
1935 | FAIL (); | |
1936 | break; | |
1937 | case lang_address_statement_enum: | |
1938 | break; | |
1939 | } | |
2fa0b342 DHW |
1940 | |
1941 | } | |
1942 | return dot; | |
1943 | } | |
1944 | ||
1945 | ||
1946 | ||
075d7359 | 1947 | static void |
8ddef552 | 1948 | lang_relocate_globals () |
075d7359 | 1949 | { |
2fa0b342 | 1950 | /* |
1418c83b SC |
1951 | Each ldsym_type maintains a chain of pointers to asymbols which |
1952 | references the definition. Replace each pointer to the referenence | |
1953 | with a pointer to only one place, preferably the definition. If | |
1954 | the defintion isn't available then the common symbol, and if | |
1955 | there isn't one of them then choose one reference. | |
1956 | */ | |
2fa0b342 | 1957 | |
075d7359 SC |
1958 | FOR_EACH_LDSYM (lgs) |
1959 | { | |
2fa0b342 | 1960 | asymbol *it; |
55636aa7 ILT |
1961 | |
1962 | /* Skip indirect symbols. */ | |
1963 | if (lgs->flags & SYM_INDIRECT) | |
1964 | continue; | |
2fa0b342 | 1965 | |
075d7359 SC |
1966 | if (lgs->sdefs_chain) |
1967 | { | |
1968 | it = *(lgs->sdefs_chain); | |
1969 | } | |
1970 | else if (lgs->scoms_chain != (asymbol **) NULL) | |
1971 | { | |
1972 | it = *(lgs->scoms_chain); | |
1973 | } | |
1974 | else if (lgs->srefs_chain != (asymbol **) NULL) | |
1975 | { | |
1976 | it = *(lgs->srefs_chain); | |
1977 | } | |
1978 | else | |
1979 | { | |
1980 | /* This can happen when the command line asked for a symbol to | |
1981 | be -u */ | |
1982 | it = (asymbol *) NULL; | |
1983 | } | |
1984 | if (it != (asymbol *) NULL) | |
1985 | { | |
29f33467 | 1986 | asymbol **prev = 0; |
075d7359 SC |
1987 | asymbol **ptr = lgs->srefs_chain;; |
1988 | if (lgs->flags & SYM_WARNING) | |
1989 | { | |
1990 | produce_warnings (lgs, it); | |
1991 | } | |
1992 | ||
29f33467 SC |
1993 | while (ptr != (asymbol **) NULL |
1994 | && ptr != prev) | |
075d7359 | 1995 | { |
1418c83b | 1996 | asymbol *ref = *ptr; |
29f33467 | 1997 | prev = ptr; |
1418c83b | 1998 | *ptr = it; |
075d7359 | 1999 | ptr = (asymbol **) (ref->udata); |
1418c83b | 2000 | } |
075d7359 | 2001 | } |
2fa0b342 DHW |
2002 | } |
2003 | } | |
2004 | ||
2005 | ||
2006 | ||
2fa0b342 | 2007 | static void |
8ddef552 | 2008 | lang_finish () |
2fa0b342 DHW |
2009 | { |
2010 | ldsym_type *lgs; | |
81150d34 | 2011 | int warn = config.relocateable_output != true; |
075d7359 | 2012 | if (entry_symbol == (char *) NULL) |
22a78f0d SC |
2013 | { |
2014 | /* No entry has been specified, look for start, but don't warn */ | |
2015 | entry_symbol = "start"; | |
2016 | warn =0; | |
2017 | } | |
075d7359 SC |
2018 | lgs = ldsym_get_soft (entry_symbol); |
2019 | if (lgs && lgs->sdefs_chain) | |
22a78f0d SC |
2020 | { |
2021 | asymbol *sy = *(lgs->sdefs_chain); | |
075d7359 | 2022 | |
22a78f0d SC |
2023 | /* We can set the entry address*/ |
2024 | bfd_set_start_address (output_bfd, | |
2025 | outside_symbol_address (sy)); | |
2fa0b342 | 2026 | |
22a78f0d | 2027 | } |
075d7359 | 2028 | else |
22a78f0d | 2029 | { |
ddddcdf0 | 2030 | /* Cannot find anything reasonable, |
22a78f0d SC |
2031 | use the first address in the text section |
2032 | */ | |
2033 | asection *ts = bfd_get_section_by_name (output_bfd, ".text"); | |
2034 | if (ts) | |
075d7359 | 2035 | { |
22a78f0d | 2036 | if (warn) |
ddddcdf0 | 2037 | einfo ("%P: warning: cannot find entry symbol %s, defaulting to %V\n", |
22a78f0d | 2038 | entry_symbol, ts->vma); |
075d7359 | 2039 | |
22a78f0d | 2040 | bfd_set_start_address (output_bfd, ts->vma); |
075d7359 | 2041 | } |
22a78f0d SC |
2042 | else |
2043 | { | |
2044 | if (warn) | |
ddddcdf0 | 2045 | einfo ("%P: warning: cannot find entry symbol %s, not setting start address\n", |
22a78f0d SC |
2046 | entry_symbol); |
2047 | } | |
2048 | } | |
2fa0b342 DHW |
2049 | } |
2050 | ||
2051 | /* By now we know the target architecture, and we may have an */ | |
2052 | /* ldfile_output_machine_name */ | |
2053 | static void | |
8ddef552 | 2054 | lang_check () |
2fa0b342 DHW |
2055 | { |
2056 | lang_statement_union_type *file; | |
075d7359 SC |
2057 | bfd *input_bfd; |
2058 | unsigned long input_machine; | |
2059 | enum bfd_architecture input_architecture; | |
2060 | CONST bfd_arch_info_type *compatible; | |
7bc4a0d7 | 2061 | |
2fa0b342 | 2062 | for (file = file_chain.head; |
075d7359 SC |
2063 | file != (lang_statement_union_type *) NULL; |
2064 | file = file->input_statement.next) | |
2065 | { | |
075d7359 | 2066 | input_bfd = file->input_statement.the_bfd; |
7bc4a0d7 | 2067 | |
075d7359 SC |
2068 | input_machine = bfd_get_mach (input_bfd); |
2069 | input_architecture = bfd_get_arch (input_bfd); | |
7bc4a0d7 | 2070 | |
7bc4a0d7 | 2071 | |
075d7359 SC |
2072 | /* Inspect the architecture and ensure we're linking like with |
2073 | like */ | |
7bc4a0d7 | 2074 | |
075d7359 SC |
2075 | compatible = bfd_arch_get_compatible (input_bfd, |
2076 | output_bfd); | |
22a78f0d | 2077 | |
075d7359 SC |
2078 | if (compatible) |
2079 | { | |
2080 | ldfile_output_machine = compatible->mach; | |
2081 | ldfile_output_architecture = compatible->arch; | |
2082 | } | |
2083 | else | |
2084 | { | |
7bc4a0d7 | 2085 | |
a4aeaacf | 2086 | info_msg ("%P: warning: %s architecture of input file `%B' is incompatible with %s output\n", |
075d7359 SC |
2087 | bfd_printable_name (input_bfd), input_bfd, |
2088 | bfd_printable_name (output_bfd)); | |
7bc4a0d7 | 2089 | |
ddddcdf0 ILT |
2090 | if (! bfd_set_arch_mach (output_bfd, |
2091 | input_architecture, | |
2092 | input_machine)) | |
2093 | einfo ("%P%F:%s: can't set architecture: %E\n", | |
2094 | bfd_get_filename (output_bfd)); | |
075d7359 | 2095 | } |
2fa0b342 | 2096 | |
075d7359 SC |
2097 | } |
2098 | } | |
2fa0b342 DHW |
2099 | |
2100 | /* | |
075d7359 SC |
2101 | * run through all the global common symbols and tie them |
2102 | * to the output section requested. | |
b6316534 SC |
2103 | * |
2104 | As an experiment we do this 4 times, once for all the byte sizes, | |
2105 | then all the two bytes, all the four bytes and then everything else | |
2106 | */ | |
2fa0b342 DHW |
2107 | |
2108 | static void | |
8ddef552 | 2109 | lang_common () |
2fa0b342 DHW |
2110 | { |
2111 | ldsym_type *lgs; | |
b6316534 | 2112 | size_t power; |
075d7359 | 2113 | |
2fa0b342 | 2114 | if (config.relocateable_output == false || |
075d7359 SC |
2115 | command_line.force_common_definition == true) |
2116 | { | |
2117 | for (power = 1; (config.sort_common == true && power == 1) || (power <= 16); power <<= 1) | |
1418c83b | 2118 | { |
075d7359 SC |
2119 | for (lgs = symbol_head; |
2120 | lgs != (ldsym_type *) NULL; | |
2121 | lgs = lgs->next) | |
2122 | { | |
2123 | asymbol *com; | |
2124 | unsigned int power_of_two; | |
2125 | size_t size; | |
2126 | size_t align; | |
1418c83b | 2127 | |
075d7359 | 2128 | if (lgs->scoms_chain != (asymbol **) NULL) |
1418c83b | 2129 | { |
075d7359 SC |
2130 | com = *(lgs->scoms_chain); |
2131 | size = com->value; | |
2132 | switch (size) | |
2133 | { | |
2134 | case 0: | |
2135 | case 1: | |
2136 | align = 1; | |
2137 | power_of_two = 0; | |
2138 | break; | |
2139 | case 2: | |
2140 | power_of_two = 1; | |
2141 | align = 2; | |
2142 | break; | |
2143 | case 3: | |
2144 | case 4: | |
2145 | power_of_two = 2; | |
2146 | align = 4; | |
2147 | break; | |
2148 | case 5: | |
2149 | case 6: | |
2150 | case 7: | |
2151 | case 8: | |
2152 | power_of_two = 3; | |
2153 | align = 8; | |
2154 | break; | |
2155 | default: | |
2156 | power_of_two = 4; | |
2157 | align = 16; | |
2158 | break; | |
2159 | } | |
2160 | if (config.sort_common == false || align == power) | |
2161 | { | |
29f33467 SC |
2162 | bfd *symbfd; |
2163 | ||
075d7359 SC |
2164 | /* Change from a common symbol into a definition of |
2165 | a symbol */ | |
2166 | lgs->sdefs_chain = lgs->scoms_chain; | |
2167 | lgs->scoms_chain = (asymbol **) NULL; | |
2168 | commons_pending--; | |
29f33467 | 2169 | |
075d7359 | 2170 | /* Point to the correct common section */ |
29f33467 SC |
2171 | symbfd = bfd_asymbol_bfd (com); |
2172 | if (com->section == &bfd_com_section) | |
2173 | com->section = | |
2174 | ((lang_input_statement_type *) symbfd->usrdata) | |
2175 | ->common_section; | |
2176 | else | |
2177 | { | |
2178 | CONST char *name; | |
2179 | asection *newsec; | |
2180 | ||
2181 | name = bfd_get_section_name (symbfd, | |
2182 | com->section); | |
2183 | newsec = bfd_get_section_by_name (symbfd, | |
2184 | name); | |
2c6635a4 ILT |
2185 | /* This section should have been created by |
2186 | enter_file_symbols if it did not already | |
2187 | exist. */ | |
29f33467 | 2188 | if (newsec == (asection *) NULL) |
2c6635a4 | 2189 | einfo ("%P%F: no output section %s\n", name); |
29f33467 SC |
2190 | com->section = newsec; |
2191 | } | |
2192 | ||
075d7359 SC |
2193 | /* Fix the size of the common section */ |
2194 | ||
2195 | com->section->_raw_size = | |
97fbbaca JL |
2196 | ALIGN_N (com->section->_raw_size, |
2197 | /* The coercion here is important, see ld.h. */ | |
2198 | (bfd_vma) align); | |
075d7359 SC |
2199 | |
2200 | /* Remember if this is the biggest alignment ever seen */ | |
2201 | if (power_of_two > com->section->alignment_power) | |
2202 | { | |
2203 | com->section->alignment_power = power_of_two; | |
2204 | } | |
2205 | ||
2206 | /* Symbol stops being common and starts being global, but | |
2207 | we remember that it was common once. */ | |
2208 | ||
2209 | com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON; | |
2210 | com->value = com->section->_raw_size; | |
2211 | ||
29f33467 | 2212 | if (write_map && config.map_file) |
075d7359 SC |
2213 | { |
2214 | fprintf (config.map_file, "Allocating common %s: %x at %x %s\n", | |
2215 | lgs->name, | |
2216 | (unsigned) size, | |
2217 | (unsigned) com->value, | |
29f33467 | 2218 | bfd_asymbol_bfd(com)->filename); |
075d7359 SC |
2219 | } |
2220 | ||
2221 | com->section->_raw_size += size; | |
2222 | ||
2223 | } | |
1418c83b | 2224 | } |
097879bc | 2225 | |
b6316534 | 2226 | } |
2fa0b342 | 2227 | } |
b6316534 | 2228 | } |
1418c83b SC |
2229 | |
2230 | ||
2fa0b342 DHW |
2231 | } |
2232 | ||
2233 | /* | |
075d7359 | 2234 | run through the input files and ensure that every input |
2fa0b342 DHW |
2235 | section has somewhere to go. If one is found without |
2236 | a destination then create an input request and place it | |
2237 | into the statement tree. | |
2238 | */ | |
2239 | ||
075d7359 | 2240 | static void |
8ddef552 | 2241 | lang_place_orphans () |
2fa0b342 DHW |
2242 | { |
2243 | lang_input_statement_type *file; | |
1418c83b | 2244 | |
075d7359 SC |
2245 | for (file = (lang_input_statement_type *) file_chain.head; |
2246 | file != (lang_input_statement_type *) NULL; | |
2247 | file = (lang_input_statement_type *) file->next) | |
2248 | { | |
2249 | asection *s; | |
2250 | ||
2251 | for (s = file->the_bfd->sections; | |
2252 | s != (asection *) NULL; | |
2253 | s = s->next) | |
2254 | { | |
2255 | if (s->output_section == (asection *) NULL) | |
2256 | { | |
2257 | /* This section of the file is not attatched, root | |
2258 | around for a sensible place for it to go */ | |
2259 | ||
2260 | if (file->common_section == s) | |
2261 | { | |
2262 | /* This is a lonely common section which must | |
2263 | have come from an archive. We attatch to the | |
2264 | section with the wildcard */ | |
2265 | if (config.relocateable_output != true | |
2266 | && command_line.force_common_definition == false) | |
2267 | { | |
2268 | if (default_common_section == | |
2269 | (lang_output_section_statement_type *) NULL) | |
2270 | { | |
a4aeaacf | 2271 | info_msg ("%P: no [COMMON] command, defaulting to .bss\n"); |
075d7359 SC |
2272 | |
2273 | default_common_section = | |
2274 | lang_output_section_statement_lookup (".bss"); | |
2275 | ||
2276 | } | |
2277 | wild_doit (&default_common_section->children, s, | |
2278 | default_common_section, file); | |
2279 | } | |
2280 | } | |
2281 | else | |
2282 | { | |
2283 | lang_output_section_statement_type *os = | |
2284 | lang_output_section_statement_lookup (s->name); | |
2fa0b342 | 2285 | |
075d7359 SC |
2286 | wild_doit (&os->children, s, os, file); |
2287 | } | |
2288 | } | |
2fa0b342 | 2289 | } |
2fa0b342 | 2290 | } |
2fa0b342 DHW |
2291 | } |
2292 | ||
2293 | ||
2fa0b342 | 2294 | void |
8ddef552 DM |
2295 | lang_set_flags (ptr, flags) |
2296 | int *ptr; | |
2297 | CONST char *flags; | |
2fa0b342 | 2298 | { |
075d7359 SC |
2299 | boolean state = false; |
2300 | ||
2301 | *ptr = 0; | |
2fa0b342 | 2302 | while (*flags) |
075d7359 SC |
2303 | { |
2304 | if (*flags == '!') | |
2305 | { | |
2306 | state = false; | |
2307 | flags++; | |
2308 | } | |
2309 | else | |
2310 | state = true; | |
2311 | switch (*flags) | |
2312 | { | |
2313 | case 'R': | |
2314 | /* ptr->flag_read = state; */ | |
2315 | break; | |
2316 | case 'W': | |
2317 | /* ptr->flag_write = state; */ | |
2318 | break; | |
2319 | case 'X': | |
2320 | /* ptr->flag_executable= state;*/ | |
2321 | break; | |
2322 | case 'L': | |
2323 | case 'I': | |
2324 | /* ptr->flag_loadable= state;*/ | |
2325 | break; | |
2326 | default: | |
ddddcdf0 | 2327 | einfo ("%P%F: invalid syntax in flags\n"); |
075d7359 SC |
2328 | break; |
2329 | } | |
dc4726c2 SC |
2330 | flags++; |
2331 | } | |
2fa0b342 DHW |
2332 | } |
2333 | ||
2334 | ||
2335 | ||
2336 | void | |
8ddef552 DM |
2337 | lang_for_each_file (func) |
2338 | void (*func) PARAMS ((lang_input_statement_type *)); | |
2fa0b342 DHW |
2339 | { |
2340 | lang_input_statement_type *f; | |
075d7359 SC |
2341 | |
2342 | for (f = (lang_input_statement_type *) file_chain.head; | |
2343 | f != (lang_input_statement_type *) NULL; | |
2344 | f = (lang_input_statement_type *) f->next) | |
2345 | { | |
2346 | func (f); | |
2347 | } | |
2fa0b342 DHW |
2348 | } |
2349 | ||
9f629407 ILT |
2350 | #if 0 |
2351 | ||
2352 | /* Not used. */ | |
2fa0b342 DHW |
2353 | |
2354 | void | |
8ddef552 DM |
2355 | lang_for_each_input_section (func) |
2356 | void (*func) PARAMS ((bfd * ab, asection * as)); | |
2fa0b342 DHW |
2357 | { |
2358 | lang_input_statement_type *f; | |
075d7359 SC |
2359 | |
2360 | for (f = (lang_input_statement_type *) file_chain.head; | |
2361 | f != (lang_input_statement_type *) NULL; | |
2362 | f = (lang_input_statement_type *) f->next) | |
2fa0b342 DHW |
2363 | { |
2364 | asection *s; | |
075d7359 | 2365 | |
2fa0b342 | 2366 | for (s = f->the_bfd->sections; |
075d7359 SC |
2367 | s != (asection *) NULL; |
2368 | s = s->next) | |
2369 | { | |
2370 | func (f->the_bfd, s); | |
2371 | } | |
2fa0b342 DHW |
2372 | } |
2373 | } | |
2374 | ||
9f629407 | 2375 | #endif |
2fa0b342 | 2376 | |
075d7359 | 2377 | void |
8ddef552 DM |
2378 | ldlang_add_file (entry) |
2379 | lang_input_statement_type * entry; | |
2fa0b342 | 2380 | { |
1418c83b | 2381 | |
075d7359 SC |
2382 | lang_statement_append (&file_chain, |
2383 | (lang_statement_union_type *) entry, | |
2384 | &entry->next); | |
2fa0b342 DHW |
2385 | } |
2386 | ||
2fa0b342 | 2387 | void |
2c6635a4 | 2388 | lang_add_output (name, from_script) |
8ddef552 | 2389 | CONST char *name; |
2c6635a4 | 2390 | int from_script; |
2fa0b342 | 2391 | { |
2c6635a4 ILT |
2392 | /* Make -o on command line override OUTPUT in script. */ |
2393 | if (had_output_filename == false || !from_script) | |
2394 | { | |
2395 | output_filename = name; | |
2396 | had_output_filename = true; | |
2397 | } | |
2fa0b342 DHW |
2398 | } |
2399 | ||
2400 | ||
2401 | static lang_output_section_statement_type *current_section; | |
2402 | ||
e20873a7 | 2403 | static int topower(x) |
9f629407 | 2404 | int x; |
e20873a7 JG |
2405 | { |
2406 | unsigned int i = 1; | |
2407 | int l; | |
2408 | if (x < 0) return -1; | |
2409 | for (l = 0; l < 32; l++) | |
2410 | { | |
2411 | if (i >= x) return l; | |
2412 | i<<=1; | |
2413 | } | |
29f33467 | 2414 | return 0; |
e20873a7 | 2415 | } |
2fa0b342 | 2416 | void |
8ddef552 DM |
2417 | lang_enter_output_section_statement (output_section_statement_name, |
2418 | address_exp, flags, block_value, | |
9f629407 | 2419 | align, subalign, ebase) |
fcf276c4 | 2420 | const char *output_section_statement_name; |
8ddef552 DM |
2421 | etree_type * address_exp; |
2422 | int flags; | |
2423 | bfd_vma block_value; | |
2424 | etree_type *align; | |
2425 | etree_type *subalign; | |
9f629407 | 2426 | etree_type *ebase; |
2fa0b342 DHW |
2427 | { |
2428 | lang_output_section_statement_type *os; | |
075d7359 SC |
2429 | |
2430 | current_section = | |
e20873a7 | 2431 | os = |
075d7359 SC |
2432 | lang_output_section_statement_lookup (output_section_statement_name); |
2433 | ||
2434 | ||
2fa0b342 | 2435 | |
2fa0b342 DHW |
2436 | /* Add this statement to tree */ |
2437 | /* add_statement(lang_output_section_statement_enum, | |
2438 | output_section_statement);*/ | |
2439 | /* Make next things chain into subchain of this */ | |
2440 | ||
2441 | if (os->addr_tree == | |
075d7359 | 2442 | (etree_type *) NULL) |
e20873a7 JG |
2443 | { |
2444 | os->addr_tree = | |
2445 | address_exp; | |
2446 | } | |
7bc4a0d7 | 2447 | os->flags = flags; |
ae475b39 SC |
2448 | if (flags & SEC_NEVER_LOAD) |
2449 | os->loadable = 0; | |
2450 | else | |
2451 | os->loadable = 1; | |
29f33467 | 2452 | os->block_value = block_value ? block_value : 1; |
075d7359 | 2453 | stat_ptr = &os->children; |
2fa0b342 | 2454 | |
e20873a7 JG |
2455 | os->subsection_alignment = topower( |
2456 | exp_get_value_int(subalign, -1, | |
2457 | "subsection alignment", | |
2458 | 0)); | |
2459 | os->section_alignment = topower( | |
2460 | exp_get_value_int(align, -1, | |
2461 | "section alignment", 0)); | |
9fce28ed | 2462 | |
9f629407 | 2463 | os->load_base = ebase; |
2fa0b342 DHW |
2464 | } |
2465 | ||
9fce28ed | 2466 | |
075d7359 | 2467 | void |
8ddef552 | 2468 | lang_final () |
2fa0b342 | 2469 | { |
2c6635a4 ILT |
2470 | lang_output_statement_type *new = |
2471 | new_stat (lang_output_statement, stat_ptr); | |
2fa0b342 | 2472 | |
2c6635a4 | 2473 | new->name = output_filename; |
075d7359 | 2474 | } |
2fa0b342 | 2475 | |
c611e285 SC |
2476 | /* Reset the current counters in the regions */ |
2477 | static void | |
8ddef552 | 2478 | reset_memory_regions () |
c611e285 | 2479 | { |
075d7359 SC |
2480 | lang_memory_region_type *p = lang_memory_region_list; |
2481 | ||
c611e285 | 2482 | for (p = lang_memory_region_list; |
075d7359 SC |
2483 | p != (lang_memory_region_type *) NULL; |
2484 | p = p->next) | |
2485 | { | |
8ddef552 | 2486 | p->old_length = (bfd_size_type) (p->current - p->origin); |
075d7359 SC |
2487 | p->current = p->origin; |
2488 | } | |
c611e285 | 2489 | } |
2fa0b342 DHW |
2490 | |
2491 | ||
ae475b39 | 2492 | |
1418c83b | 2493 | asymbol * |
9f629407 ILT |
2494 | create_symbol (name, flags, section) |
2495 | CONST char *name; | |
2496 | flagword flags; | |
2497 | asection * section; | |
2fa0b342 | 2498 | { |
075d7359 SC |
2499 | asymbol **def_ptr = (asymbol **) stat_alloc ((bfd_size_type) (sizeof (asymbol **))); |
2500 | ||
2fa0b342 | 2501 | /* Add this definition to script file */ |
075d7359 | 2502 | asymbol *def = (asymbol *) bfd_make_empty_symbol (script_file->the_bfd); |
075d7359 | 2503 | def->name = buystring (name); |
2fa0b342 DHW |
2504 | def->udata = 0; |
2505 | def->flags = flags; | |
2506 | def->section = section; | |
2fa0b342 | 2507 | *def_ptr = def; |
ddddcdf0 | 2508 | enter_global_ref (def_ptr, name); |
2fa0b342 DHW |
2509 | return def; |
2510 | } | |
2511 | ||
2fa0b342 | 2512 | void |
8ddef552 | 2513 | lang_process () |
075d7359 | 2514 | { |
075d7359 | 2515 | lang_reasonable_defaults (); |
1418c83b SC |
2516 | current_target = default_target; |
2517 | ||
075d7359 | 2518 | lang_for_each_statement (ldlang_open_output); /* Open the output file */ |
1418c83b SC |
2519 | /* For each output section statement, create a section in the output |
2520 | file */ | |
075d7359 | 2521 | lang_create_output_section_statements (); |
1418c83b | 2522 | |
97fbbaca JL |
2523 | ldemul_create_output_section_statements (); |
2524 | ||
1418c83b | 2525 | /* Create a dummy bfd for the script */ |
075d7359 | 2526 | lang_init_script_file (); |
1418c83b SC |
2527 | |
2528 | /* Add to the hash table all undefineds on the command line */ | |
075d7359 | 2529 | lang_place_undefineds (); |
1418c83b SC |
2530 | |
2531 | /* Create a bfd for each input file */ | |
2532 | current_target = default_target; | |
075d7359 | 2533 | lang_for_each_statement (open_input_bfds); |
1418c83b | 2534 | |
1418c83b | 2535 | /* Run through the contours of the script and attatch input sections |
075d7359 | 2536 | to the correct output sections |
1418c83b | 2537 | */ |
075d7359 SC |
2538 | find_constructors (); |
2539 | map_input_to_output_sections (statement_list.head, (char *) NULL, | |
2540 | (lang_output_section_statement_type *) NULL); | |
1418c83b | 2541 | |
81016051 | 2542 | |
1418c83b | 2543 | /* Find any sections not attatched explicitly and handle them */ |
075d7359 | 2544 | lang_place_orphans (); |
1418c83b SC |
2545 | |
2546 | /* Size up the common data */ | |
075d7359 | 2547 | lang_common (); |
1418c83b | 2548 | |
075d7359 | 2549 | ldemul_before_allocation (); |
1418c83b | 2550 | |
c611e285 | 2551 | |
ae475b39 SC |
2552 | #if 0 |
2553 | had_relax = true; | |
2554 | while (had_relax) | |
2555 | { | |
2556 | ||
2557 | had_relax = false; | |
c611e285 | 2558 | |
ae475b39 SC |
2559 | lang_size_sections (statement_list.head, |
2560 | (lang_output_section_statement_type *) NULL, | |
2561 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
2562 | /* FIXME. Until the code in relax is fixed so that it only reads in | |
2563 | stuff once, we cant iterate since there is no way for the linker to | |
2564 | know what has been patched and what hasn't */ | |
2565 | break; | |
2566 | ||
2567 | } | |
2568 | #endif | |
c611e285 | 2569 | |
c611e285 | 2570 | /* Now run around and relax if we can */ |
075d7359 | 2571 | if (command_line.relax) |
c611e285 | 2572 | { |
97fbbaca JL |
2573 | /* First time round is a trial run to get the 'worst case' |
2574 | addresses of the objects if there was no relaxing. */ | |
ae475b39 SC |
2575 | lang_size_sections (statement_list.head, |
2576 | (lang_output_section_statement_type *) NULL, | |
2577 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
c611e285 | 2578 | |
97fbbaca JL |
2579 | /* Move the global symbols around so the second pass of relaxing |
2580 | can see them. */ | |
2581 | lang_relocate_globals (); | |
075d7359 | 2582 | |
97fbbaca | 2583 | reset_memory_regions (); |
075d7359 | 2584 | |
97fbbaca JL |
2585 | /* Do all the assignments, now that we know the final resting |
2586 | places of all the symbols. */ | |
ae475b39 | 2587 | |
97fbbaca JL |
2588 | lang_do_assignments (statement_list.head, |
2589 | abs_output_section, | |
2590 | 0, (bfd_vma) 0); | |
ae475b39 SC |
2591 | |
2592 | /* Perform another relax pass - this time we know where the | |
97fbbaca | 2593 | globals are, so can make better guess. */ |
ae475b39 SC |
2594 | lang_size_sections (statement_list.head, |
2595 | (lang_output_section_statement_type *) NULL, | |
2596 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
ae475b39 | 2597 | } |
ae475b39 SC |
2598 | else |
2599 | { | |
97fbbaca | 2600 | /* Size up the sections. */ |
ae475b39 SC |
2601 | lang_size_sections (statement_list.head, |
2602 | abs_output_section, | |
2603 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
075d7359 | 2604 | } |
c611e285 | 2605 | |
1418c83b | 2606 | /* See if anything special should be done now we know how big |
97fbbaca | 2607 | everything is. */ |
075d7359 | 2608 | ldemul_after_allocation (); |
1418c83b SC |
2609 | |
2610 | /* Do all the assignments, now that we know the final restingplaces | |
2611 | of all the symbols */ | |
2612 | ||
075d7359 SC |
2613 | lang_do_assignments (statement_list.head, |
2614 | abs_output_section, | |
2615 | 0, (bfd_vma) 0); | |
1418c83b | 2616 | |
c611e285 | 2617 | |
ffc50032 | 2618 | /* Move the global symbols around */ |
075d7359 | 2619 | lang_relocate_globals (); |
ffc50032 | 2620 | |
1418c83b SC |
2621 | /* Make sure that we're not mixing architectures */ |
2622 | ||
075d7359 | 2623 | lang_check (); |
1418c83b | 2624 | |
1418c83b | 2625 | /* Final stuffs */ |
97fbbaca JL |
2626 | |
2627 | ldemul_finish (); | |
2c6635a4 ILT |
2628 | |
2629 | #if 0 | |
2630 | /* DO NOT REENABLE THIS CALL. IF THIS CALL IS MADE, THE SUN4 LINKER | |
2631 | CAN NOT BOOTSTRAP!! No, I don't know why, but don't change it | |
2632 | unless you fix it. */ | |
97fbbaca JL |
2633 | /* Size up the sections. */ |
2634 | lang_size_sections (statement_list.head, | |
2635 | abs_output_section, | |
2636 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
2c6635a4 ILT |
2637 | #endif |
2638 | ||
075d7359 | 2639 | lang_finish (); |
2fa0b342 DHW |
2640 | } |
2641 | ||
2fa0b342 | 2642 | /* EXPORTED TO YACC */ |
1418c83b | 2643 | |
2fa0b342 | 2644 | void |
8ddef552 DM |
2645 | lang_add_wild (section_name, filename) |
2646 | CONST char *CONST section_name; | |
2647 | CONST char *CONST filename; | |
1418c83b | 2648 | { |
075d7359 SC |
2649 | lang_wild_statement_type *new = new_stat (lang_wild_statement, |
2650 | stat_ptr); | |
1418c83b | 2651 | |
075d7359 SC |
2652 | if (section_name != (char *) NULL && strcmp (section_name, "COMMON") == 0) |
2653 | { | |
2654 | placed_commons = true; | |
2655 | } | |
2656 | if (filename != (char *) NULL) | |
2657 | { | |
2658 | lang_has_input_file = true; | |
2659 | } | |
1418c83b SC |
2660 | new->section_name = section_name; |
2661 | new->filename = filename; | |
075d7359 | 2662 | lang_list_init (&new->children); |
1418c83b | 2663 | } |
075d7359 | 2664 | |
1418c83b | 2665 | void |
8ddef552 DM |
2666 | lang_section_start (name, address) |
2667 | CONST char *name; | |
2668 | etree_type * address; | |
2fa0b342 | 2669 | { |
075d7359 SC |
2670 | lang_address_statement_type *ad = new_stat (lang_address_statement, stat_ptr); |
2671 | ||
2fa0b342 DHW |
2672 | ad->section_name = name; |
2673 | ad->address = address; | |
2674 | } | |
1418c83b | 2675 | |
075d7359 | 2676 | void |
8ddef552 DM |
2677 | lang_add_entry (name) |
2678 | CONST char *name; | |
2fa0b342 DHW |
2679 | { |
2680 | entry_symbol = name; | |
2681 | } | |
2682 | ||
2683 | void | |
8ddef552 DM |
2684 | lang_add_target (name) |
2685 | CONST char *name; | |
2fa0b342 | 2686 | { |
075d7359 SC |
2687 | lang_target_statement_type *new = new_stat (lang_target_statement, |
2688 | stat_ptr); | |
2689 | ||
2fa0b342 DHW |
2690 | new->target = name; |
2691 | ||
2692 | } | |
2fa0b342 | 2693 | |
2fa0b342 | 2694 | void |
8ddef552 DM |
2695 | lang_add_map (name) |
2696 | CONST char *name; | |
2fa0b342 | 2697 | { |
075d7359 SC |
2698 | while (*name) |
2699 | { | |
2700 | switch (*name) | |
2701 | { | |
2702 | case 'F': | |
2703 | map_option_f = true; | |
2704 | break; | |
2705 | } | |
2706 | name++; | |
2fa0b342 | 2707 | } |
2fa0b342 DHW |
2708 | } |
2709 | ||
075d7359 | 2710 | void |
8ddef552 DM |
2711 | lang_add_fill (exp) |
2712 | int exp; | |
2fa0b342 | 2713 | { |
075d7359 SC |
2714 | lang_fill_statement_type *new = new_stat (lang_fill_statement, |
2715 | stat_ptr); | |
2716 | ||
2fa0b342 DHW |
2717 | new->fill = exp; |
2718 | } | |
2719 | ||
075d7359 | 2720 | void |
8ddef552 DM |
2721 | lang_add_data (type, exp) |
2722 | int type; | |
2723 | union etree_union *exp; | |
2fa0b342 DHW |
2724 | { |
2725 | ||
075d7359 | 2726 | lang_data_statement_type *new = new_stat (lang_data_statement, |
2fa0b342 | 2727 | stat_ptr); |
075d7359 SC |
2728 | |
2729 | new->exp = exp; | |
2730 | new->type = type; | |
2fa0b342 DHW |
2731 | |
2732 | } | |
075d7359 | 2733 | |
2fa0b342 | 2734 | void |
8ddef552 DM |
2735 | lang_add_assignment (exp) |
2736 | etree_type * exp; | |
2fa0b342 | 2737 | { |
075d7359 SC |
2738 | lang_assignment_statement_type *new = new_stat (lang_assignment_statement, |
2739 | stat_ptr); | |
2740 | ||
2fa0b342 DHW |
2741 | new->exp = exp; |
2742 | } | |
2743 | ||
2744 | void | |
8ddef552 DM |
2745 | lang_add_attribute (attribute) |
2746 | enum statement_enum attribute; | |
2fa0b342 | 2747 | { |
075d7359 | 2748 | new_statement (attribute, sizeof (lang_statement_union_type), stat_ptr); |
2fa0b342 DHW |
2749 | } |
2750 | ||
075d7359 | 2751 | void |
8ddef552 DM |
2752 | lang_startup (name) |
2753 | CONST char *name; | |
2fa0b342 | 2754 | { |
075d7359 SC |
2755 | if (startup_file != (char *) NULL) |
2756 | { | |
ddddcdf0 | 2757 | einfo ("%P%Fmultiple STARTUP files\n"); |
075d7359 | 2758 | } |
2fa0b342 DHW |
2759 | first_file->filename = name; |
2760 | first_file->local_sym_name = name; | |
2761 | ||
075d7359 | 2762 | startup_file = name; |
2fa0b342 | 2763 | } |
075d7359 SC |
2764 | |
2765 | void | |
8ddef552 DM |
2766 | lang_float (maybe) |
2767 | boolean maybe; | |
2fa0b342 DHW |
2768 | { |
2769 | lang_float_flag = maybe; | |
2770 | } | |
2771 | ||
075d7359 | 2772 | void |
8ddef552 DM |
2773 | lang_leave_output_section_statement (fill, memspec) |
2774 | bfd_vma fill; | |
2775 | CONST char *memspec; | |
2fa0b342 DHW |
2776 | { |
2777 | current_section->fill = fill; | |
075d7359 | 2778 | current_section->region = lang_memory_region_lookup (memspec); |
2fa0b342 | 2779 | stat_ptr = &statement_list; |
81016051 SC |
2780 | |
2781 | /* We remember if we are closing a .data section, since we use it to | |
2782 | store constructors in */ | |
075d7359 SC |
2783 | if (strcmp (current_section->name, ".data") == 0) |
2784 | { | |
2785 | end_of_data_section_statement_list = statement_list; | |
81016051 | 2786 | |
075d7359 | 2787 | } |
2fa0b342 | 2788 | } |
075d7359 | 2789 | |
9f32f7c2 SC |
2790 | /* |
2791 | Create an absolute symbol with the given name with the value of the | |
2792 | address of first byte of the section named. | |
2fa0b342 | 2793 | |
9f32f7c2 SC |
2794 | If the symbol already exists, then do nothing. |
2795 | */ | |
8cb5eb31 | 2796 | void |
8ddef552 DM |
2797 | lang_abs_symbol_at_beginning_of (section, name) |
2798 | CONST char *section; | |
2799 | CONST char *name; | |
075d7359 SC |
2800 | { |
2801 | if (ldsym_undefined (name)) | |
2802 | { | |
2803 | asection *s = bfd_get_section_by_name (output_bfd, section); | |
2804 | asymbol *def = create_symbol (name, | |
2805 | BSF_GLOBAL | BSF_EXPORT, | |
2806 | &bfd_abs_section); | |
2807 | ||
2808 | if (s != (asection *) NULL) | |
2809 | { | |
2810 | def->value = s->vma; | |
2811 | } | |
2812 | else | |
2813 | { | |
2814 | def->value = 0; | |
2815 | } | |
9f32f7c2 | 2816 | } |
8cb5eb31 SC |
2817 | } |
2818 | ||
9f32f7c2 SC |
2819 | /* |
2820 | Create an absolute symbol with the given name with the value of the | |
2821 | address of the first byte after the end of the section named. | |
2822 | ||
2823 | If the symbol already exists, then do nothing. | |
2824 | */ | |
2fa0b342 | 2825 | void |
8ddef552 DM |
2826 | lang_abs_symbol_at_end_of (section, name) |
2827 | CONST char *section; | |
2828 | CONST char *name; | |
075d7359 SC |
2829 | { |
2830 | if (ldsym_undefined (name)) | |
2831 | { | |
2832 | asection *s = bfd_get_section_by_name (output_bfd, section); | |
2833 | ||
2834 | /* Add a symbol called _end */ | |
2835 | asymbol *def = create_symbol (name, | |
2836 | BSF_GLOBAL | BSF_EXPORT, | |
2837 | &bfd_abs_section); | |
2838 | ||
2839 | if (s != (asection *) NULL) | |
2840 | { | |
2841 | def->value = s->vma + s->_raw_size; | |
2842 | } | |
2843 | else | |
2844 | { | |
2845 | def->value = 0; | |
2846 | } | |
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 | } |