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Commit | Line | Data |
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e20873a7 | 1 | /* Linker command language support. |
0b2f8d2e | 2 | Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc. |
075d7359 | 3 | |
2fa0b342 DHW |
4 | This file is part of GLD, the Gnu Linker. |
5 | ||
6 | GLD is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 1, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GLD is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GLD; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
2fa0b342 | 20 | #include "bfd.h" |
075d7359 | 21 | #include "sysdep.h" |
4c2123b6 | 22 | #include "libiberty.h" |
c477527c | 23 | #include "bfdlink.h" |
2fa0b342 DHW |
24 | |
25 | #include "ld.h" | |
fcf276c4 | 26 | #include "ldmain.h" |
7bc4a0d7 | 27 | #include "ldgram.h" |
2fa0b342 | 28 | #include "ldexp.h" |
fcf276c4 | 29 | #include "ldlang.h" |
8c514453 | 30 | #include "ldemul.h" |
2fa0b342 | 31 | #include "ldlex.h" |
3f8d46e7 | 32 | #include "ldmisc.h" |
c611e285 | 33 | #include "ldctor.h" |
fcf276c4 | 34 | #include "ldfile.h" |
b98bd3db | 35 | |
2fa0b342 | 36 | /* FORWARDS */ |
e20873a7 JG |
37 | static void print_statements PARAMS ((void)); |
38 | static void print_statement PARAMS ((lang_statement_union_type *, | |
075d7359 | 39 | lang_output_section_statement_type *)); |
5af8e9d6 KR |
40 | static lang_statement_union_type *new_statement PARAMS ((enum statement_enum, |
41 | size_t, | |
42 | lang_statement_list_type*)); | |
43 | ||
2fa0b342 | 44 | |
d4c02e29 | 45 | /* LOCALS */ |
bfbdc80f | 46 | static struct obstack stat_obstack; |
075d7359 | 47 | |
0b2f8d2e | 48 | #define obstack_chunk_alloc xmalloc |
bfbdc80f | 49 | #define obstack_chunk_free free |
075d7359 | 50 | static CONST char *startup_file; |
d4c02e29 SC |
51 | static lang_statement_list_type input_file_chain; |
52 | static boolean placed_commons = false; | |
53 | static lang_output_section_statement_type *default_common_section; | |
54 | static boolean map_option_f; | |
55 | static bfd_vma print_dot; | |
56 | static lang_input_statement_type *first_file; | |
57 | static lang_statement_list_type lang_output_section_statement; | |
58 | static CONST char *current_target; | |
59 | static CONST char *output_target; | |
fcf276c4 | 60 | static int longest_section_name = 8; |
d4c02e29 | 61 | static lang_statement_list_type statement_list; |
ffc50032 | 62 | |
9f629407 ILT |
63 | static void print_size PARAMS ((size_t value)); |
64 | static void print_alignment PARAMS ((unsigned int value)); | |
65 | static void print_fill PARAMS ((fill_type value)); | |
66 | static void print_section PARAMS ((const char *name)); | |
67 | static void lang_for_each_statement_worker | |
68 | PARAMS ((void (*func) (lang_statement_union_type *), | |
69 | lang_statement_union_type *s)); | |
70 | static lang_input_statement_type *new_afile | |
71 | PARAMS ((const char *name, lang_input_file_enum_type file_type, | |
193c5f93 | 72 | const char *target, boolean add_to_list)); |
9f629407 ILT |
73 | static void print_flags PARAMS ((int *ignore_flags)); |
74 | static void init_os PARAMS ((lang_output_section_statement_type *s)); | |
75 | static void wild_doit PARAMS ((lang_statement_list_type *ptr, | |
76 | asection *section, | |
77 | lang_output_section_statement_type *output, | |
78 | lang_input_statement_type *file)); | |
9f629407 ILT |
79 | static void wild_section PARAMS ((lang_wild_statement_type *ptr, |
80 | const char *section, | |
81 | lang_input_statement_type *file, | |
82 | lang_output_section_statement_type *output)); | |
193c5f93 ILT |
83 | static lang_input_statement_type *lookup_name PARAMS ((const char *name)); |
84 | static void load_symbols PARAMS ((lang_input_statement_type *entry)); | |
9f629407 ILT |
85 | static void wild PARAMS ((lang_wild_statement_type *s, |
86 | const char *section, const char *file, | |
87 | const char *target, | |
88 | lang_output_section_statement_type *output)); | |
89 | static bfd *open_output PARAMS ((const char *name)); | |
90 | static void ldlang_open_output PARAMS ((lang_statement_union_type *statement)); | |
309c8153 ILT |
91 | static void open_input_bfds |
92 | PARAMS ((lang_statement_union_type *statement, boolean)); | |
9f629407 ILT |
93 | static void lang_reasonable_defaults PARAMS ((void)); |
94 | static void lang_place_undefineds PARAMS ((void)); | |
9f629407 ILT |
95 | static void map_input_to_output_sections |
96 | PARAMS ((lang_statement_union_type *s, | |
97 | const char *target, | |
98 | lang_output_section_statement_type *output_section_statement)); | |
99 | static void print_output_section_statement | |
100 | PARAMS ((lang_output_section_statement_type *output_section_statement)); | |
101 | static void print_assignment | |
102 | PARAMS ((lang_assignment_statement_type *assignment, | |
103 | lang_output_section_statement_type *output_section)); | |
104 | static void print_input_statement PARAMS ((lang_input_statement_type *statm)); | |
9f629407 ILT |
105 | static void print_input_section PARAMS ((lang_input_section_type *in)); |
106 | static void print_fill_statement PARAMS ((lang_fill_statement_type *fill)); | |
107 | static void print_data_statement PARAMS ((lang_data_statement_type *data)); | |
4fdbafb2 | 108 | static void print_reloc_statement PARAMS ((lang_reloc_statement_type *reloc)); |
9f629407 ILT |
109 | static void print_padding_statement PARAMS ((lang_padding_statement_type *s)); |
110 | static void print_wild_statement | |
111 | PARAMS ((lang_wild_statement_type *w, | |
112 | lang_output_section_statement_type *os)); | |
309c8153 ILT |
113 | static void print_group |
114 | PARAMS ((lang_group_statement_type *, lang_output_section_statement_type *)); | |
9f629407 ILT |
115 | static void print_statement PARAMS ((lang_statement_union_type *s, |
116 | lang_output_section_statement_type *os)); | |
117 | static void print_statements PARAMS ((void)); | |
118 | static bfd_vma insert_pad PARAMS ((lang_statement_union_type **this_ptr, | |
119 | fill_type fill, unsigned int power, | |
120 | asection *output_section_statement, | |
121 | bfd_vma dot)); | |
122 | static bfd_vma size_input_section | |
123 | PARAMS ((lang_statement_union_type **this_ptr, | |
124 | lang_output_section_statement_type *output_section_statement, | |
c477527c | 125 | fill_type fill, bfd_vma dot, boolean relax)); |
9f629407 ILT |
126 | static void lang_finish PARAMS ((void)); |
127 | static void lang_check PARAMS ((void)); | |
128 | static void lang_common PARAMS ((void)); | |
c477527c | 129 | static boolean lang_one_common PARAMS ((struct bfd_link_hash_entry *, PTR)); |
9f629407 ILT |
130 | static void lang_place_orphans PARAMS ((void)); |
131 | static int topower PARAMS ((int)); | |
132 | static void reset_memory_regions PARAMS ((void)); | |
133 | ||
2fa0b342 | 134 | /* EXPORTS */ |
ffc50032 | 135 | lang_output_section_statement_type *abs_output_section; |
d4c02e29 | 136 | lang_statement_list_type *stat_ptr = &statement_list; |
a4d2a48e | 137 | lang_statement_list_type file_chain = { 0 }; |
60e8a534 | 138 | static const char *entry_symbol = 0; |
d4c02e29 | 139 | boolean lang_has_input_file = false; |
d4c02e29 SC |
140 | boolean had_output_filename = false; |
141 | boolean lang_float_flag = false; | |
97fbbaca | 142 | boolean delete_output_file_on_failure = false; |
075d7359 | 143 | |
9fce28ed SC |
144 | etree_type *base; /* Relocation base - or null */ |
145 | ||
146 | ||
b897ed67 | 147 | #if defined(__STDC__) || defined(ALMOST_STDC) |
2fa0b342 DHW |
148 | #define cat(a,b) a##b |
149 | #else | |
150 | #define cat(a,b) a/**/b | |
151 | #endif | |
152 | ||
153 | #define new_stat(x,y) (cat(x,_type)*) new_statement(cat(x,_enum), sizeof(cat(x,_type)),y) | |
154 | ||
155 | #define outside_section_address(q) ( (q)->output_offset + (q)->output_section->vma) | |
156 | ||
157 | #define outside_symbol_address(q) ((q)->value + outside_section_address(q->section)) | |
158 | ||
bfbdc80f | 159 | PTR |
8ddef552 DM |
160 | stat_alloc (size) |
161 | size_t size; | |
bfbdc80f | 162 | { |
075d7359 | 163 | return obstack_alloc (&stat_obstack, size); |
bfbdc80f | 164 | } |
9f629407 | 165 | |
075d7359 | 166 | static void |
8ddef552 DM |
167 | print_size (value) |
168 | size_t value; | |
3f8d46e7 | 169 | { |
075d7359 | 170 | fprintf (config.map_file, "%5x", (unsigned) value); |
3f8d46e7 | 171 | } |
9f629407 | 172 | |
075d7359 | 173 | static void |
8ddef552 DM |
174 | print_alignment (value) |
175 | unsigned int value; | |
3f8d46e7 | 176 | { |
075d7359 | 177 | fprintf (config.map_file, "2**%1u", value); |
3f8d46e7 | 178 | } |
9f629407 | 179 | |
075d7359 | 180 | static void |
9f629407 ILT |
181 | print_fill (value) |
182 | fill_type value; | |
3f8d46e7 | 183 | { |
075d7359 | 184 | fprintf (config.map_file, "%04x", (unsigned) value); |
3f8d46e7 JG |
185 | } |
186 | ||
075d7359 | 187 | static void |
8ddef552 | 188 | print_section (name) |
9f629407 | 189 | CONST char *name; |
3f8d46e7 | 190 | { |
075d7359 | 191 | fprintf (config.map_file, "%*s", -longest_section_name, name); |
3f8d46e7 | 192 | } |
2fa0b342 | 193 | |
1418c83b SC |
194 | /*---------------------------------------------------------------------- |
195 | lang_for_each_statement walks the parse tree and calls the provided | |
196 | function for each node | |
197 | */ | |
198 | ||
075d7359 | 199 | static void |
8ddef552 | 200 | lang_for_each_statement_worker (func, s) |
c477527c | 201 | void (*func) PARAMS ((lang_statement_union_type *)); |
8ddef552 | 202 | lang_statement_union_type *s; |
1418c83b | 203 | { |
075d7359 SC |
204 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
205 | { | |
206 | func (s); | |
1418c83b | 207 | |
075d7359 SC |
208 | switch (s->header.type) |
209 | { | |
81016051 | 210 | case lang_constructors_statement_enum: |
075d7359 | 211 | lang_for_each_statement_worker (func, constructor_list.head); |
81016051 | 212 | break; |
1418c83b SC |
213 | case lang_output_section_statement_enum: |
214 | lang_for_each_statement_worker | |
075d7359 | 215 | (func, |
1418c83b SC |
216 | s->output_section_statement.children.head); |
217 | break; | |
218 | case lang_wild_statement_enum: | |
219 | lang_for_each_statement_worker | |
075d7359 | 220 | (func, |
1418c83b SC |
221 | s->wild_statement.children.head); |
222 | break; | |
309c8153 ILT |
223 | case lang_group_statement_enum: |
224 | lang_for_each_statement_worker (func, | |
225 | s->group_statement.children.head); | |
226 | break; | |
1418c83b | 227 | case lang_data_statement_enum: |
4fdbafb2 | 228 | case lang_reloc_statement_enum: |
1418c83b SC |
229 | case lang_object_symbols_statement_enum: |
230 | case lang_output_statement_enum: | |
231 | case lang_target_statement_enum: | |
232 | case lang_input_section_enum: | |
233 | case lang_input_statement_enum: | |
1418c83b SC |
234 | case lang_assignment_statement_enum: |
235 | case lang_padding_statement_enum: | |
236 | case lang_address_statement_enum: | |
237 | break; | |
238 | default: | |
075d7359 | 239 | FAIL (); |
1418c83b SC |
240 | break; |
241 | } | |
075d7359 | 242 | } |
1418c83b SC |
243 | } |
244 | ||
245 | void | |
8ddef552 | 246 | lang_for_each_statement (func) |
c477527c | 247 | void (*func) PARAMS ((lang_statement_union_type *)); |
1418c83b | 248 | { |
075d7359 SC |
249 | lang_for_each_statement_worker (func, |
250 | statement_list.head); | |
1418c83b | 251 | } |
075d7359 | 252 | |
1418c83b | 253 | /*----------------------------------------------------------------------*/ |
075d7359 | 254 | void |
8ddef552 DM |
255 | lang_list_init (list) |
256 | lang_statement_list_type *list; | |
2fa0b342 | 257 | { |
075d7359 SC |
258 | list->head = (lang_statement_union_type *) NULL; |
259 | list->tail = &list->head; | |
2fa0b342 DHW |
260 | } |
261 | ||
1418c83b | 262 | /*---------------------------------------------------------------------- |
075d7359 | 263 | |
1418c83b SC |
264 | build a new statement node for the parse tree |
265 | ||
266 | */ | |
2fa0b342 DHW |
267 | |
268 | static | |
075d7359 | 269 | lang_statement_union_type * |
8ddef552 DM |
270 | new_statement (type, size, list) |
271 | enum statement_enum type; | |
5af8e9d6 | 272 | size_t size; |
8ddef552 | 273 | lang_statement_list_type * list; |
2fa0b342 DHW |
274 | { |
275 | lang_statement_union_type *new = (lang_statement_union_type *) | |
075d7359 SC |
276 | stat_alloc (size); |
277 | ||
2fa0b342 | 278 | new->header.type = type; |
075d7359 SC |
279 | new->header.next = (lang_statement_union_type *) NULL; |
280 | lang_statement_append (list, new, &new->header.next); | |
2fa0b342 DHW |
281 | return new; |
282 | } | |
283 | ||
1418c83b SC |
284 | /* |
285 | Build a new input file node for the language. There are several ways | |
286 | in which we treat an input file, eg, we only look at symbols, or | |
287 | prefix it with a -l etc. | |
288 | ||
289 | We can be supplied with requests for input files more than once; | |
290 | they may, for example be split over serveral lines like foo.o(.text) | |
291 | foo.o(.data) etc, so when asked for a file we check that we havn't | |
292 | got it already so we don't duplicate the bfd. | |
293 | ||
294 | */ | |
2fa0b342 | 295 | static lang_input_statement_type * |
193c5f93 | 296 | new_afile (name, file_type, target, add_to_list) |
9f629407 ILT |
297 | CONST char *name; |
298 | lang_input_file_enum_type file_type; | |
299 | CONST char *target; | |
193c5f93 | 300 | boolean add_to_list; |
2fa0b342 | 301 | { |
193c5f93 | 302 | lang_input_statement_type *p; |
dc4726c2 | 303 | |
193c5f93 ILT |
304 | if (add_to_list) |
305 | p = new_stat (lang_input_statement, stat_ptr); | |
306 | else | |
307 | { | |
308 | p = ((lang_input_statement_type *) | |
309 | stat_alloc (sizeof (lang_input_statement_type))); | |
310 | p->header.next = NULL; | |
311 | } | |
075d7359 | 312 | |
2fa0b342 DHW |
313 | lang_has_input_file = true; |
314 | p->target = target; | |
ee4af9e8 | 315 | p->complained = false; |
075d7359 SC |
316 | switch (file_type) |
317 | { | |
318 | case lang_input_file_is_symbols_only_enum: | |
319 | p->filename = name; | |
320 | p->is_archive = false; | |
321 | p->real = true; | |
322 | p->local_sym_name = name; | |
323 | p->just_syms_flag = true; | |
324 | p->search_dirs_flag = false; | |
325 | break; | |
326 | case lang_input_file_is_fake_enum: | |
327 | p->filename = name; | |
328 | p->is_archive = false; | |
329 | p->real = false; | |
330 | p->local_sym_name = name; | |
331 | p->just_syms_flag = false; | |
332 | p->search_dirs_flag = false; | |
333 | break; | |
334 | case lang_input_file_is_l_enum: | |
335 | p->is_archive = true; | |
336 | p->filename = name; | |
337 | p->real = true; | |
ef76742f | 338 | p->local_sym_name = concat ("-l", name, (const char *) NULL); |
075d7359 SC |
339 | p->just_syms_flag = false; |
340 | p->search_dirs_flag = true; | |
341 | break; | |
075d7359 | 342 | case lang_input_file_is_marker_enum: |
193c5f93 ILT |
343 | p->filename = name; |
344 | p->is_archive = false; | |
345 | p->real = false; | |
346 | p->local_sym_name = name; | |
347 | p->just_syms_flag = false; | |
348 | p->search_dirs_flag = true; | |
349 | break; | |
350 | case lang_input_file_is_search_file_enum: | |
075d7359 SC |
351 | p->filename = name; |
352 | p->is_archive = false; | |
353 | p->real = true; | |
354 | p->local_sym_name = name; | |
355 | p->just_syms_flag = false; | |
356 | p->search_dirs_flag = true; | |
357 | break; | |
358 | case lang_input_file_is_file_enum: | |
359 | p->filename = name; | |
360 | p->is_archive = false; | |
361 | p->real = true; | |
362 | p->local_sym_name = name; | |
363 | p->just_syms_flag = false; | |
364 | p->search_dirs_flag = false; | |
365 | break; | |
366 | default: | |
367 | FAIL (); | |
368 | } | |
193c5f93 | 369 | p->the_bfd = (bfd *) NULL; |
075d7359 | 370 | p->asymbols = (asymbol **) NULL; |
075d7359 SC |
371 | p->next_real_file = (lang_statement_union_type *) NULL; |
372 | p->next = (lang_statement_union_type *) NULL; | |
2fa0b342 | 373 | p->symbol_count = 0; |
075d7359 | 374 | p->common_output_section = (asection *) NULL; |
5e6cd559 | 375 | p->loaded = false; |
075d7359 SC |
376 | lang_statement_append (&input_file_chain, |
377 | (lang_statement_union_type *) p, | |
378 | &p->next_real_file); | |
2fa0b342 DHW |
379 | return p; |
380 | } | |
381 | ||
382 | lang_input_statement_type * | |
8ddef552 DM |
383 | lang_add_input_file (name, file_type, target) |
384 | CONST char *name; | |
385 | lang_input_file_enum_type file_type; | |
386 | CONST char *target; | |
2fa0b342 | 387 | { |
1418c83b | 388 | lang_has_input_file = true; |
193c5f93 | 389 | return new_afile (name, file_type, target, true); |
2fa0b342 DHW |
390 | } |
391 | ||
1418c83b | 392 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 393 | void |
8ddef552 | 394 | lang_init () |
2fa0b342 | 395 | { |
075d7359 | 396 | obstack_begin (&stat_obstack, 1000); |
2fa0b342 | 397 | |
075d7359 | 398 | stat_ptr = &statement_list; |
bfbdc80f | 399 | |
075d7359 | 400 | lang_list_init (stat_ptr); |
2fa0b342 | 401 | |
075d7359 SC |
402 | lang_list_init (&input_file_chain); |
403 | lang_list_init (&lang_output_section_statement); | |
404 | lang_list_init (&file_chain); | |
405 | first_file = lang_add_input_file ((char *) NULL, | |
406 | lang_input_file_is_marker_enum, | |
407 | (char *) NULL); | |
408 | abs_output_section = lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 409 | |
686739e2 | 410 | abs_output_section->bfd_section = bfd_abs_section_ptr; |
9d1fe8a4 | 411 | |
2fa0b342 DHW |
412 | } |
413 | ||
1418c83b | 414 | /*---------------------------------------------------------------------- |
075d7359 SC |
415 | A region is an area of memory declared with the |
416 | MEMORY { name:org=exp, len=exp ... } | |
417 | syntax. | |
2fa0b342 | 418 | |
1418c83b | 419 | We maintain a list of all the regions here |
2fa0b342 | 420 | |
1418c83b SC |
421 | If no regions are specified in the script, then the default is used |
422 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
423 | */ |
424 | ||
425 | static lang_memory_region_type *lang_memory_region_list; | |
426 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
427 | ||
428 | lang_memory_region_type * | |
8ddef552 DM |
429 | lang_memory_region_lookup (name) |
430 | CONST char *CONST name; | |
2fa0b342 DHW |
431 | { |
432 | ||
075d7359 SC |
433 | lang_memory_region_type *p = lang_memory_region_list; |
434 | ||
1418c83b | 435 | for (p = lang_memory_region_list; |
075d7359 SC |
436 | p != (lang_memory_region_type *) NULL; |
437 | p = p->next) | |
438 | { | |
439 | if (strcmp (p->name, name) == 0) | |
440 | { | |
441 | return p; | |
442 | } | |
2fa0b342 | 443 | } |
075d7359 | 444 | if (strcmp (name, "*default*") == 0) |
2fa0b342 | 445 | { |
075d7359 SC |
446 | /* This is the default region, dig out first one on the list */ |
447 | if (lang_memory_region_list != (lang_memory_region_type *) NULL) | |
448 | { | |
449 | return lang_memory_region_list; | |
450 | } | |
2fa0b342 | 451 | } |
075d7359 SC |
452 | { |
453 | lang_memory_region_type *new = | |
454 | (lang_memory_region_type *) stat_alloc ((bfd_size_type) (sizeof (lang_memory_region_type))); | |
455 | ||
456 | new->name = buystring (name); | |
457 | new->next = (lang_memory_region_type *) NULL; | |
458 | ||
459 | *lang_memory_region_list_tail = new; | |
460 | lang_memory_region_list_tail = &new->next; | |
461 | new->origin = 0; | |
8ddef552 | 462 | new->length = ~(bfd_size_type)0; |
075d7359 SC |
463 | new->current = 0; |
464 | new->had_full_message = false; | |
465 | ||
466 | return new; | |
467 | } | |
2fa0b342 DHW |
468 | } |
469 | ||
470 | ||
2fa0b342 | 471 | lang_output_section_statement_type * |
8ddef552 DM |
472 | lang_output_section_find (name) |
473 | CONST char *CONST name; | |
2fa0b342 DHW |
474 | { |
475 | lang_statement_union_type *u; | |
476 | lang_output_section_statement_type *lookup; | |
477 | ||
478 | for (u = lang_output_section_statement.head; | |
075d7359 | 479 | u != (lang_statement_union_type *) NULL; |
2fa0b342 | 480 | u = lookup->next) |
075d7359 SC |
481 | { |
482 | lookup = &u->output_section_statement; | |
483 | if (strcmp (name, lookup->name) == 0) | |
484 | { | |
1418c83b SC |
485 | return lookup; |
486 | } | |
075d7359 SC |
487 | } |
488 | return (lang_output_section_statement_type *) NULL; | |
2fa0b342 DHW |
489 | } |
490 | ||
491 | lang_output_section_statement_type * | |
8ddef552 DM |
492 | lang_output_section_statement_lookup (name) |
493 | CONST char *CONST name; | |
2fa0b342 DHW |
494 | { |
495 | lang_output_section_statement_type *lookup; | |
2fa0b342 | 496 | |
075d7359 SC |
497 | lookup = lang_output_section_find (name); |
498 | if (lookup == (lang_output_section_statement_type *) NULL) | |
499 | { | |
2fa0b342 | 500 | |
075d7359 SC |
501 | lookup = (lang_output_section_statement_type *) |
502 | new_stat (lang_output_section_statement, stat_ptr); | |
503 | lookup->region = (lang_memory_region_type *) NULL; | |
504 | lookup->fill = 0; | |
505 | lookup->block_value = 1; | |
506 | lookup->name = name; | |
507 | ||
508 | lookup->next = (lang_statement_union_type *) NULL; | |
509 | lookup->bfd_section = (asection *) NULL; | |
510 | lookup->processed = false; | |
ae475b39 | 511 | lookup->loadable = 1; |
075d7359 SC |
512 | lookup->addr_tree = (etree_type *) NULL; |
513 | lang_list_init (&lookup->children); | |
514 | ||
1b8a42f3 ILT |
515 | lookup->memspec = (CONST char *) NULL; |
516 | lookup->flags = 0; | |
517 | lookup->subsection_alignment = -1; | |
518 | lookup->section_alignment = -1; | |
519 | lookup->load_base = (union etree_union *) NULL; | |
520 | ||
075d7359 SC |
521 | lang_statement_append (&lang_output_section_statement, |
522 | (lang_statement_union_type *) lookup, | |
523 | &lookup->next); | |
524 | } | |
525 | return lookup; | |
526 | } | |
2fa0b342 | 527 | |
9d1fe8a4 | 528 | /*ARGSUSED*/ |
2fa0b342 | 529 | static void |
8ddef552 DM |
530 | print_flags (ignore_flags) |
531 | int *ignore_flags; | |
2fa0b342 | 532 | { |
075d7359 | 533 | fprintf (config.map_file, "("); |
2fa0b342 | 534 | #if 0 |
075d7359 SC |
535 | if (flags->flag_read) |
536 | fprintf (outfile, "R"); | |
537 | if (flags->flag_write) | |
538 | fprintf (outfile, "W"); | |
539 | if (flags->flag_executable) | |
540 | fprintf (outfile, "X"); | |
541 | if (flags->flag_loadable) | |
542 | fprintf (outfile, "L"); | |
2fa0b342 | 543 | #endif |
ae475b39 | 544 | fprintf (config.map_file, ")"); |
2fa0b342 DHW |
545 | } |
546 | ||
547 | void | |
8ddef552 | 548 | lang_map () |
2fa0b342 DHW |
549 | { |
550 | lang_memory_region_type *m; | |
075d7359 SC |
551 | |
552 | fprintf (config.map_file, "**MEMORY CONFIGURATION**\n\n"); | |
48491e2e | 553 | #ifdef HOST_64_BIT |
075d7359 | 554 | fprintf (config.map_file, "name\t\torigin\t\tlength\t\tattributes\n"); |
48491e2e | 555 | #else |
ae475b39 SC |
556 | fprintf (config.map_file, |
557 | "name\t\torigin length r_size c_size is attributes\n"); | |
558 | ||
48491e2e | 559 | #endif |
2fa0b342 | 560 | for (m = lang_memory_region_list; |
075d7359 SC |
561 | m != (lang_memory_region_type *) NULL; |
562 | m = m->next) | |
2fa0b342 | 563 | { |
075d7359 SC |
564 | fprintf (config.map_file, "%-16s", m->name); |
565 | print_address (m->origin); | |
566 | print_space (); | |
8ddef552 | 567 | print_address ((bfd_vma)m->length); |
075d7359 | 568 | print_space (); |
8ddef552 | 569 | print_address ((bfd_vma)m->old_length); |
ae475b39 SC |
570 | print_space(); |
571 | print_address (m->current - m->origin); | |
572 | print_space(); | |
573 | if (m->old_length) | |
fcf276c4 ILT |
574 | fprintf (config.map_file, " %2d%% ", |
575 | (int) ((m->current - m->origin) * 100 / m->old_length)); | |
075d7359 SC |
576 | print_flags (&m->flags); |
577 | fprintf (config.map_file, "\n"); | |
2fa0b342 | 578 | } |
075d7359 SC |
579 | fprintf (config.map_file, "\n\n**LINK EDITOR MEMORY MAP**\n\n"); |
580 | fprintf (config.map_file, "output input virtual\n"); | |
581 | fprintf (config.map_file, "section section address tsize\n\n"); | |
2fa0b342 | 582 | |
075d7359 | 583 | print_statements (); |
2fa0b342 DHW |
584 | |
585 | } | |
586 | ||
587 | /* | |
588 | * | |
589 | */ | |
075d7359 | 590 | static void |
8ddef552 DM |
591 | init_os (s) |
592 | lang_output_section_statement_type * s; | |
2fa0b342 | 593 | { |
9d1fe8a4 SC |
594 | /* asection *section = bfd_get_section_by_name(output_bfd, s->name);*/ |
595 | section_userdata_type *new = | |
075d7359 SC |
596 | (section_userdata_type *) |
597 | stat_alloc ((bfd_size_type) (sizeof (section_userdata_type))); | |
598 | ||
599 | s->bfd_section = bfd_get_section_by_name (output_bfd, s->name); | |
600 | if (s->bfd_section == (asection *) NULL) | |
601 | s->bfd_section = bfd_make_section (output_bfd, s->name); | |
602 | if (s->bfd_section == (asection *) NULL) | |
603 | { | |
ddddcdf0 | 604 | einfo ("%P%F: output format %s cannot represent section called %s\n", |
075d7359 | 605 | output_bfd->xvec->name, s->name); |
9d1fe8a4 | 606 | } |
2fa0b342 | 607 | s->bfd_section->output_section = s->bfd_section; |
ae475b39 | 608 | /* s->bfd_section->flags = s->flags;*/ |
7bc4a0d7 | 609 | |
2fa0b342 DHW |
610 | /* We initialize an output sections output offset to minus its own */ |
611 | /* vma to allow us to output a section through itself */ | |
612 | s->bfd_section->output_offset = 0; | |
075d7359 | 613 | get_userdata (s->bfd_section) = (PTR) new; |
c611e285 | 614 | |
2fa0b342 DHW |
615 | } |
616 | ||
1418c83b SC |
617 | /*********************************************************************** |
618 | The wild routines. | |
619 | ||
620 | These expand statements like *(.text) and foo.o to a list of | |
621 | explicit actions, like foo.o(.text), bar.o(.text) and | |
622 | foo.o(.text,.data) . | |
623 | ||
624 | The toplevel routine, wild, takes a statement, section, file and | |
625 | target. If either the section or file is null it is taken to be the | |
626 | wildcard. Seperate lang_input_section statements are created for | |
627 | each part of the expanstion, and placed after the statement provided. | |
628 | ||
629 | */ | |
075d7359 | 630 | |
2fa0b342 | 631 | static void |
8ddef552 DM |
632 | wild_doit (ptr, section, output, file) |
633 | lang_statement_list_type * ptr; | |
634 | asection * section; | |
635 | lang_output_section_statement_type * output; | |
636 | lang_input_statement_type * file; | |
2fa0b342 | 637 | { |
075d7359 | 638 | if (output->bfd_section == (asection *) NULL) |
ae475b39 | 639 | init_os (output); |
2fa0b342 | 640 | |
075d7359 SC |
641 | if (section != (asection *) NULL |
642 | && section->output_section == (asection *) NULL) | |
ae475b39 SC |
643 | { |
644 | /* Add a section reference to the list */ | |
645 | lang_input_section_type *new = new_stat (lang_input_section, ptr); | |
646 | ||
647 | new->section = section; | |
648 | new->ifile = file; | |
649 | section->output_section = output->bfd_section; | |
29f33467 | 650 | |
27f7237e ILT |
651 | /* We don't copy the SEC_NEVER_LOAD flag from an input section to |
652 | an output section, because we want to be able to include a | |
653 | SEC_NEVER_LOAD section in the middle of an otherwise loaded | |
654 | section (I don't know why we want to do this, but we do). | |
655 | build_link_order in ldwrite.c handles this case by turning the | |
656 | embedded SEC_NEVER_LOAD section into a fill. */ | |
657 | section->output_section->flags |= | |
658 | section->flags & (flagword) (~ SEC_NEVER_LOAD); | |
29f33467 | 659 | |
ae475b39 | 660 | if (!output->loadable) |
075d7359 | 661 | { |
29f33467 | 662 | /* Turn off load flag */ |
ae475b39 | 663 | output->bfd_section->flags &= ~SEC_LOAD; |
29f33467 | 664 | output->bfd_section->flags |= SEC_NEVER_LOAD; |
ae475b39 SC |
665 | } |
666 | if (section->alignment_power > output->bfd_section->alignment_power) | |
667 | { | |
668 | output->bfd_section->alignment_power = section->alignment_power; | |
075d7359 | 669 | } |
e20873a7 JG |
670 | /* If supplied an aligmnet, then force it */ |
671 | if (output->section_alignment != -1) | |
672 | { | |
673 | output->bfd_section->alignment_power = output->section_alignment; | |
674 | } | |
ae475b39 | 675 | } |
2fa0b342 DHW |
676 | } |
677 | ||
075d7359 | 678 | static void |
8ddef552 | 679 | wild_section (ptr, section, file, output) |
309c8153 ILT |
680 | lang_wild_statement_type *ptr; |
681 | const char *section; | |
682 | lang_input_statement_type *file; | |
683 | lang_output_section_statement_type *output; | |
2fa0b342 | 684 | { |
075d7359 SC |
685 | if (file->just_syms_flag == false) |
686 | { | |
309c8153 ILT |
687 | register asection *s; |
688 | ||
689 | for (s = file->the_bfd->sections; s != NULL; s = s->next) | |
075d7359 | 690 | { |
309c8153 ILT |
691 | /* Attach all sections named SECTION. If SECTION is NULL, |
692 | then attach all sections. | |
693 | ||
694 | Previously, if SECTION was NULL, this code did not call | |
695 | wild_doit if the SEC_IS_COMMON flag was set for the | |
696 | section. I did not understand that, and I took it out. | |
697 | --ian@cygnus.com. */ | |
698 | ||
699 | if (section == NULL | |
700 | || strcmp (bfd_get_section_name (file->the_bfd, s), | |
701 | section) == 0) | |
f9d3d71a | 702 | wild_doit (&ptr->children, s, output, file); |
075d7359 | 703 | } |
2fa0b342 | 704 | } |
2fa0b342 DHW |
705 | } |
706 | ||
1418c83b SC |
707 | /* passed a file name (which must have been seen already and added to |
708 | the statement tree. We will see if it has been opened already and | |
709 | had its symbols read. If not then we'll read it. | |
2fa0b342 | 710 | |
1418c83b SC |
711 | Archives are pecuilar here. We may open them once, but if they do |
712 | not define anything we need at the time, they won't have all their | |
309c8153 | 713 | symbols read. If we need them later, we'll have to redo it. */ |
193c5f93 ILT |
714 | static lang_input_statement_type * |
715 | lookup_name (name) | |
9f629407 | 716 | CONST char *name; |
2fa0b342 DHW |
717 | { |
718 | lang_input_statement_type *search; | |
075d7359 SC |
719 | |
720 | for (search = (lang_input_statement_type *) input_file_chain.head; | |
721 | search != (lang_input_statement_type *) NULL; | |
722 | search = (lang_input_statement_type *) search->next_real_file) | |
723 | { | |
724 | if (search->filename == (char *) NULL && name == (char *) NULL) | |
c477527c ILT |
725 | return search; |
726 | if (search->filename != (char *) NULL | |
727 | && name != (char *) NULL | |
728 | && strcmp (search->filename, name) == 0) | |
729 | break; | |
075d7359 | 730 | } |
2fa0b342 | 731 | |
c477527c | 732 | if (search == (lang_input_statement_type *) NULL) |
193c5f93 ILT |
733 | search = new_afile (name, lang_input_file_is_file_enum, default_target, |
734 | false); | |
c477527c | 735 | |
5e6cd559 ILT |
736 | /* If we have already added this file, or this file is not real |
737 | (FIXME: can that ever actually happen?) or the name is NULL | |
738 | (FIXME: can that ever actually happen?) don't add this file. */ | |
193c5f93 | 739 | if (search->loaded |
5e6cd559 ILT |
740 | || ! search->real |
741 | || search->filename == (const char *) NULL) | |
742 | return search; | |
743 | ||
193c5f93 ILT |
744 | load_symbols (search); |
745 | ||
746 | return search; | |
747 | } | |
748 | ||
749 | /* Get the symbols for an input file. */ | |
c477527c | 750 | |
193c5f93 ILT |
751 | static void |
752 | load_symbols (entry) | |
753 | lang_input_statement_type *entry; | |
754 | { | |
755 | if (entry->loaded) | |
756 | return; | |
757 | ||
758 | ldfile_open_file (entry); | |
759 | ||
760 | if (bfd_check_format (entry->the_bfd, bfd_object)) | |
5e6cd559 | 761 | { |
193c5f93 | 762 | ldlang_add_file (entry); |
5e6cd559 | 763 | if (trace_files || trace_file_tries) |
193c5f93 | 764 | info_msg ("%I\n", entry); |
5e6cd559 | 765 | } |
193c5f93 | 766 | else if (bfd_check_format (entry->the_bfd, bfd_archive)) |
c477527c ILT |
767 | { |
768 | /* There is nothing to do here; the add_symbols routine will | |
769 | call ldlang_add_file (via the add_archive_element callback) | |
770 | for each element of the archive which is used. */ | |
771 | } | |
772 | else | |
193c5f93 | 773 | einfo ("%F%B: file not recognized: %E\n", entry->the_bfd); |
1418c83b | 774 | |
193c5f93 ILT |
775 | if (bfd_link_add_symbols (entry->the_bfd, &link_info) == false) |
776 | einfo ("%F%B: could not read symbols: %E\n", entry->the_bfd); | |
5e6cd559 | 777 | |
193c5f93 | 778 | entry->loaded = true; |
2fa0b342 DHW |
779 | } |
780 | ||
781 | static void | |
8ddef552 DM |
782 | wild (s, section, file, target, output) |
783 | lang_wild_statement_type * s; | |
9f629407 ILT |
784 | CONST char *section; |
785 | CONST char *file; | |
786 | CONST char *target; | |
8ddef552 | 787 | lang_output_section_statement_type * output; |
2fa0b342 DHW |
788 | { |
789 | lang_input_statement_type *f; | |
075d7359 SC |
790 | |
791 | if (file == (char *) NULL) | |
792 | { | |
793 | /* Perform the iteration over all files in the list */ | |
794 | for (f = (lang_input_statement_type *) file_chain.head; | |
795 | f != (lang_input_statement_type *) NULL; | |
796 | f = (lang_input_statement_type *) f->next) | |
797 | { | |
798 | wild_section (s, section, f, output); | |
799 | } | |
800 | } | |
801 | else | |
802 | { | |
803 | /* Perform the iteration over a single file */ | |
193c5f93 | 804 | wild_section (s, section, lookup_name (file), output); |
075d7359 SC |
805 | } |
806 | if (section != (char *) NULL | |
807 | && strcmp (section, "COMMON") == 0 | |
808 | && default_common_section == (lang_output_section_statement_type *) NULL) | |
809 | { | |
810 | /* Remember the section that common is going to incase we later | |
811 | get something which doesn't know where to put it */ | |
812 | default_common_section = output; | |
2fa0b342 | 813 | } |
2fa0b342 DHW |
814 | } |
815 | ||
816 | /* | |
075d7359 | 817 | read in all the files |
2fa0b342 | 818 | */ |
97fbbaca | 819 | |
075d7359 | 820 | static bfd * |
8ddef552 | 821 | open_output (name) |
9f629407 | 822 | CONST char *name; |
2fa0b342 | 823 | { |
097879bc | 824 | bfd *output; |
097879bc | 825 | |
075d7359 | 826 | if (output_target == (char *) NULL) |
ae475b39 SC |
827 | { |
828 | if (current_target != (char *) NULL) | |
829 | output_target = current_target; | |
830 | else | |
831 | output_target = default_target; | |
832 | } | |
075d7359 | 833 | output = bfd_openw (name, output_target); |
075d7359 SC |
834 | |
835 | if (output == (bfd *) NULL) | |
836 | { | |
5bcb7f28 | 837 | if (bfd_get_error () == bfd_error_invalid_target) |
ae475b39 | 838 | { |
ddddcdf0 | 839 | einfo ("%P%F: target %s not found\n", output_target); |
ae475b39 | 840 | } |
ddddcdf0 | 841 | einfo ("%P%F: cannot open output file %s: %E\n", name); |
075d7359 | 842 | } |
30d1a390 | 843 | |
97fbbaca JL |
844 | delete_output_file_on_failure = 1; |
845 | ||
30d1a390 | 846 | /* output->flags |= D_PAGED;*/ |
075d7359 | 847 | |
ddddcdf0 ILT |
848 | if (! bfd_set_format (output, bfd_object)) |
849 | einfo ("%P%F:%s: can not make object file: %E\n", name); | |
850 | if (! bfd_set_arch_mach (output, | |
851 | ldfile_output_architecture, | |
852 | ldfile_output_machine)) | |
853 | einfo ("%P%F:%s: can not set architecture: %E\n", name); | |
854 | ||
c477527c ILT |
855 | link_info.hash = bfd_link_hash_table_create (output); |
856 | if (link_info.hash == (struct bfd_link_hash_table *) NULL) | |
857 | einfo ("%P%F: can not create link hash table: %E\n"); | |
858 | ||
1b8a42f3 | 859 | bfd_set_gp_size (output, g_switch_value); |
2fa0b342 DHW |
860 | return output; |
861 | } | |
1418c83b SC |
862 | |
863 | ||
097879bc | 864 | |
1418c83b | 865 | |
2fa0b342 | 866 | static void |
8ddef552 DM |
867 | ldlang_open_output (statement) |
868 | lang_statement_union_type * statement; | |
2fa0b342 | 869 | { |
075d7359 SC |
870 | switch (statement->header.type) |
871 | { | |
c477527c ILT |
872 | case lang_output_statement_enum: |
873 | ASSERT (output_bfd == (bfd *) NULL); | |
075d7359 SC |
874 | output_bfd = open_output (statement->output_statement.name); |
875 | ldemul_set_output_arch (); | |
c477527c | 876 | if (config.magic_demand_paged && !link_info.relocateable) |
075d7359 SC |
877 | output_bfd->flags |= D_PAGED; |
878 | else | |
879 | output_bfd->flags &= ~D_PAGED; | |
880 | if (config.text_read_only) | |
881 | output_bfd->flags |= WP_TEXT; | |
882 | else | |
883 | output_bfd->flags &= ~WP_TEXT; | |
c96386c4 ILT |
884 | if (config.traditional_format) |
885 | output_bfd->flags |= BFD_TRADITIONAL_FORMAT; | |
886 | else | |
887 | output_bfd->flags &= ~BFD_TRADITIONAL_FORMAT; | |
075d7359 | 888 | break; |
1418c83b | 889 | |
075d7359 SC |
890 | case lang_target_statement_enum: |
891 | current_target = statement->target_statement.target; | |
892 | break; | |
893 | default: | |
894 | break; | |
895 | } | |
1418c83b | 896 | } |
2fa0b342 | 897 | |
309c8153 ILT |
898 | /* Open all the input files. */ |
899 | ||
1418c83b | 900 | static void |
309c8153 ILT |
901 | open_input_bfds (s, force) |
902 | lang_statement_union_type *s; | |
903 | boolean force; | |
1418c83b | 904 | { |
309c8153 | 905 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
075d7359 | 906 | { |
309c8153 | 907 | switch (s->header.type) |
075d7359 | 908 | { |
309c8153 ILT |
909 | case lang_constructors_statement_enum: |
910 | open_input_bfds (constructor_list.head, force); | |
911 | break; | |
912 | case lang_output_section_statement_enum: | |
913 | open_input_bfds (s->output_section_statement.children.head, force); | |
914 | break; | |
915 | case lang_wild_statement_enum: | |
916 | /* Maybe we should load the file's symbols */ | |
917 | if (s->wild_statement.filename) | |
918 | (void) lookup_name (s->wild_statement.filename); | |
919 | open_input_bfds (s->wild_statement.children.head, force); | |
920 | break; | |
921 | case lang_group_statement_enum: | |
922 | { | |
923 | struct bfd_link_hash_entry *undefs; | |
924 | ||
925 | /* We must continually search the entries in the group | |
926 | until no new symbols are added to the list of undefined | |
927 | symbols. */ | |
928 | ||
929 | do | |
930 | { | |
931 | undefs = link_info.hash->undefs_tail; | |
932 | open_input_bfds (s->group_statement.children.head, true); | |
933 | } | |
934 | while (undefs != link_info.hash->undefs_tail); | |
935 | } | |
936 | break; | |
937 | case lang_target_statement_enum: | |
938 | current_target = s->target_statement.target; | |
939 | break; | |
940 | case lang_input_statement_enum: | |
941 | if (s->input_statement.real == true) | |
942 | { | |
943 | s->input_statement.target = current_target; | |
944 | ||
945 | /* If we are being called from within a group, and this | |
946 | is an archive which has already been searched, then | |
947 | force it to be researched. */ | |
948 | if (force | |
949 | && s->input_statement.loaded | |
950 | && bfd_check_format (s->input_statement.the_bfd, | |
951 | bfd_archive)) | |
952 | s->input_statement.loaded = false; | |
953 | ||
954 | load_symbols (&s->input_statement); | |
955 | } | |
956 | break; | |
957 | default: | |
958 | break; | |
075d7359 | 959 | } |
075d7359 | 960 | } |
2fa0b342 | 961 | } |
075d7359 | 962 | |
2fa0b342 DHW |
963 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
964 | ||
965 | static void | |
075d7359 | 966 | lang_reasonable_defaults () |
2fa0b342 | 967 | { |
1418c83b | 968 | #if 0 |
075d7359 SC |
969 | lang_output_section_statement_lookup (".text"); |
970 | lang_output_section_statement_lookup (".data"); | |
8cb5eb31 | 971 | |
075d7359 SC |
972 | default_common_section = |
973 | lang_output_section_statement_lookup (".bss"); | |
8cb5eb31 | 974 | |
1418c83b | 975 | |
075d7359 SC |
976 | if (placed_commons == false) |
977 | { | |
978 | lang_wild_statement_type *new = | |
979 | new_stat (lang_wild_statement, | |
980 | &default_common_section->children); | |
981 | ||
982 | new->section_name = "COMMON"; | |
983 | new->filename = (char *) NULL; | |
984 | lang_list_init (&new->children); | |
985 | } | |
1418c83b | 986 | #endif |
8cb5eb31 | 987 | |
2fa0b342 DHW |
988 | } |
989 | ||
1418c83b SC |
990 | /* |
991 | Add the supplied name to the symbol table as an undefined reference. | |
992 | Remove items from the chain as we open input bfds | |
993 | */ | |
075d7359 SC |
994 | typedef struct ldlang_undef_chain_list |
995 | { | |
f177a611 | 996 | struct ldlang_undef_chain_list *next; |
1418c83b | 997 | char *name; |
075d7359 | 998 | } ldlang_undef_chain_list_type; |
1418c83b SC |
999 | |
1000 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
1001 | ||
1002 | void | |
8ddef552 DM |
1003 | ldlang_add_undef (name) |
1004 | CONST char *CONST name; | |
2fa0b342 | 1005 | { |
1418c83b | 1006 | ldlang_undef_chain_list_type *new = |
075d7359 SC |
1007 | (ldlang_undef_chain_list_type |
1008 | *) stat_alloc ((bfd_size_type) (sizeof (ldlang_undef_chain_list_type))); | |
1418c83b SC |
1009 | |
1010 | new->next = ldlang_undef_chain_list_head; | |
1011 | ldlang_undef_chain_list_head = new; | |
1012 | ||
075d7359 | 1013 | new->name = buystring (name); |
1418c83b | 1014 | } |
075d7359 | 1015 | |
1418c83b SC |
1016 | /* Run through the list of undefineds created above and place them |
1017 | into the linker hash table as undefined symbols belonging to the | |
1018 | script file. | |
1019 | */ | |
1020 | static void | |
8ddef552 | 1021 | lang_place_undefineds () |
1418c83b | 1022 | { |
c477527c | 1023 | ldlang_undef_chain_list_type *ptr; |
1418c83b | 1024 | |
c477527c ILT |
1025 | for (ptr = ldlang_undef_chain_list_head; |
1026 | ptr != (ldlang_undef_chain_list_type *) NULL; | |
1027 | ptr = ptr->next) | |
075d7359 | 1028 | { |
c477527c | 1029 | struct bfd_link_hash_entry *h; |
075d7359 | 1030 | |
c477527c ILT |
1031 | h = bfd_link_hash_lookup (link_info.hash, ptr->name, true, false, true); |
1032 | if (h == (struct bfd_link_hash_entry *) NULL) | |
1033 | einfo ("%P%F: bfd_link_hash_lookup failed: %E"); | |
1034 | if (h->type == bfd_link_hash_new) | |
1035 | { | |
1036 | h->type = bfd_link_hash_undefined; | |
1037 | h->u.undef.abfd = NULL; | |
1038 | bfd_link_add_undef (link_info.hash, h); | |
1039 | } | |
075d7359 SC |
1040 | } |
1041 | } | |
1418c83b | 1042 | |
2fa0b342 DHW |
1043 | /* Open input files and attatch to output sections */ |
1044 | static void | |
8ddef552 DM |
1045 | map_input_to_output_sections (s, target, output_section_statement) |
1046 | lang_statement_union_type * s; | |
1047 | CONST char *target; | |
1048 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 | 1049 | { |
075d7359 | 1050 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1051 | { |
075d7359 | 1052 | switch (s->header.type) |
2fa0b342 | 1053 | { |
075d7359 SC |
1054 | |
1055 | ||
1056 | case lang_wild_statement_enum: | |
1057 | wild (&s->wild_statement, s->wild_statement.section_name, | |
1058 | s->wild_statement.filename, target, | |
1059 | output_section_statement); | |
1060 | ||
1061 | break; | |
1062 | case lang_constructors_statement_enum: | |
1063 | map_input_to_output_sections (constructor_list.head, | |
1064 | target, | |
1065 | output_section_statement); | |
1066 | break; | |
1067 | case lang_output_section_statement_enum: | |
1068 | map_input_to_output_sections (s->output_section_statement.children.head, | |
1069 | target, | |
1070 | &s->output_section_statement); | |
1071 | break; | |
1072 | case lang_output_statement_enum: | |
1073 | break; | |
1074 | case lang_target_statement_enum: | |
1075 | target = s->target_statement.target; | |
1076 | break; | |
309c8153 ILT |
1077 | case lang_group_statement_enum: |
1078 | map_input_to_output_sections (s->group_statement.children.head, | |
1079 | target, | |
1080 | output_section_statement); | |
1081 | break; | |
075d7359 SC |
1082 | case lang_fill_statement_enum: |
1083 | case lang_input_section_enum: | |
1084 | case lang_object_symbols_statement_enum: | |
1085 | case lang_data_statement_enum: | |
4fdbafb2 | 1086 | case lang_reloc_statement_enum: |
075d7359 SC |
1087 | case lang_assignment_statement_enum: |
1088 | case lang_padding_statement_enum: | |
f9d3d71a ILT |
1089 | case lang_input_statement_enum: |
1090 | if (output_section_statement != NULL | |
1091 | && output_section_statement->bfd_section == NULL) | |
1092 | init_os (output_section_statement); | |
075d7359 SC |
1093 | break; |
1094 | case lang_afile_asection_pair_statement_enum: | |
1095 | FAIL (); | |
1096 | break; | |
1097 | case lang_address_statement_enum: | |
1098 | /* Mark the specified section with the supplied address */ | |
1099 | { | |
1100 | lang_output_section_statement_type *os = | |
ef01a8a8 ILT |
1101 | lang_output_section_statement_lookup |
1102 | (s->address_statement.section_name); | |
075d7359 | 1103 | |
ef01a8a8 ILT |
1104 | if (os->bfd_section == NULL) |
1105 | init_os (os); | |
075d7359 | 1106 | os->addr_tree = s->address_statement.address; |
48491e2e | 1107 | } |
075d7359 | 1108 | break; |
2fa0b342 | 1109 | } |
2fa0b342 DHW |
1110 | } |
1111 | } | |
1112 | ||
075d7359 | 1113 | static void |
8ddef552 DM |
1114 | print_output_section_statement (output_section_statement) |
1115 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 DHW |
1116 | { |
1117 | asection *section = output_section_statement->bfd_section; | |
075d7359 SC |
1118 | |
1119 | print_nl (); | |
1120 | print_section (output_section_statement->name); | |
1121 | ||
e20873a7 | 1122 | |
075d7359 | 1123 | if (section) |
e20873a7 JG |
1124 | { |
1125 | print_dot = section->vma; | |
1126 | print_space (); | |
1127 | print_section (""); | |
1128 | print_space (); | |
1129 | print_address (section->vma); | |
1130 | print_space (); | |
1131 | print_size (section->_raw_size); | |
1132 | print_space(); | |
1133 | print_size(section->_cooked_size); | |
1134 | print_space (); | |
1135 | print_alignment (section->alignment_power); | |
1136 | print_space (); | |
2fa0b342 | 1137 | #if 0 |
e20873a7 JG |
1138 | fprintf (config.map_file, "%s flags", output_section_statement->region->name); |
1139 | print_flags (stdout, &output_section_statement->flags); | |
2fa0b342 | 1140 | #endif |
e20873a7 JG |
1141 | if (section->flags & SEC_LOAD) |
1142 | fprintf (config.map_file, "load "); | |
1143 | if (section->flags & SEC_ALLOC) | |
1144 | fprintf (config.map_file, "alloc "); | |
1145 | if (section->flags & SEC_RELOC) | |
1146 | fprintf (config.map_file, "reloc "); | |
1147 | if (section->flags & SEC_HAS_CONTENTS) | |
1148 | fprintf (config.map_file, "contents "); | |
2fa0b342 | 1149 | |
e20873a7 | 1150 | } |
075d7359 | 1151 | else |
e20873a7 | 1152 | { |
269773c1 | 1153 | fprintf (config.map_file, " (no attached output section)"); |
e20873a7 JG |
1154 | } |
1155 | print_nl (); | |
9fce28ed SC |
1156 | if (output_section_statement->load_base) |
1157 | { | |
1158 | int b = exp_get_value_int(output_section_statement->load_base, | |
1159 | 0, "output base", lang_final_phase_enum); | |
1160 | printf("Output address %08x\n", b); | |
1161 | } | |
e20873a7 JG |
1162 | if (output_section_statement->section_alignment >= 0 |
1163 | || output_section_statement->section_alignment >= 0) | |
1164 | { | |
1165 | printf("\t\t\t\t\tforced alignment "); | |
1166 | if ( output_section_statement->section_alignment >= 0) | |
075d7359 | 1167 | { |
e20873a7 | 1168 | printf("section 2**%d ",output_section_statement->section_alignment ); |
075d7359 | 1169 | } |
e20873a7 JG |
1170 | if ( output_section_statement->subsection_alignment >= 0) |
1171 | { | |
1172 | printf("subsection 2**%d ",output_section_statement->subsection_alignment ); | |
1173 | } | |
1174 | ||
1175 | print_nl (); | |
1176 | } | |
075d7359 SC |
1177 | print_statement (output_section_statement->children.head, |
1178 | output_section_statement); | |
2fa0b342 DHW |
1179 | |
1180 | } | |
1181 | ||
075d7359 | 1182 | static void |
8ddef552 DM |
1183 | print_assignment (assignment, output_section) |
1184 | lang_assignment_statement_type * assignment; | |
1185 | lang_output_section_statement_type * output_section; | |
2fa0b342 DHW |
1186 | { |
1187 | etree_value_type result; | |
075d7359 SC |
1188 | |
1189 | print_section (""); | |
1190 | print_space (); | |
1191 | print_section (""); | |
1192 | print_space (); | |
1193 | print_address (print_dot); | |
1194 | print_space (); | |
1195 | result = exp_fold_tree (assignment->exp->assign.src, | |
1196 | output_section, | |
1197 | lang_final_phase_enum, | |
1198 | print_dot, | |
1199 | &print_dot); | |
1200 | ||
1201 | if (result.valid) | |
1202 | { | |
1203 | print_address (result.value); | |
1204 | } | |
1205 | else | |
1206 | { | |
1207 | fprintf (config.map_file, "*undefined*"); | |
1208 | } | |
1209 | print_space (); | |
1210 | exp_print_tree (assignment->exp); | |
1211 | ||
1212 | fprintf (config.map_file, "\n"); | |
2fa0b342 DHW |
1213 | } |
1214 | ||
1215 | static void | |
8ddef552 DM |
1216 | print_input_statement (statm) |
1217 | lang_input_statement_type * statm; | |
2fa0b342 | 1218 | { |
075d7359 SC |
1219 | if (statm->filename != (char *) NULL) |
1220 | { | |
1221 | fprintf (config.map_file, "LOAD %s\n", statm->filename); | |
1222 | } | |
2fa0b342 DHW |
1223 | } |
1224 | ||
804c8601 SC |
1225 | /* Print all the defined symbols for the abfd provided by in the supplied |
1226 | section. | |
1227 | */ | |
1228 | ||
1229 | static boolean | |
1230 | print_one_symbol (hash_entry, ptr) | |
1231 | struct bfd_link_hash_entry *hash_entry; | |
1232 | PTR ptr; | |
2fa0b342 | 1233 | { |
804c8601 SC |
1234 | asection * sec = (asection *)ptr; |
1235 | ||
1236 | if (hash_entry->type == bfd_link_hash_defined) | |
1237 | { | |
1238 | if (sec == hash_entry->u.def.section) { | |
1239 | print_section (""); | |
1240 | fprintf (config.map_file, " "); | |
1241 | print_section (""); | |
1242 | fprintf (config.map_file, " "); | |
1243 | print_address (hash_entry->u.def.value + outside_section_address (sec)); | |
1244 | fprintf (config.map_file, " %s", hash_entry->root.string); | |
1245 | print_nl (); | |
1246 | } | |
1247 | } | |
09a5aa5e KR |
1248 | |
1249 | return true; | |
2fa0b342 | 1250 | } |
1418c83b | 1251 | |
075d7359 | 1252 | static void |
8ddef552 DM |
1253 | print_input_section (in) |
1254 | lang_input_section_type * in; | |
2fa0b342 DHW |
1255 | { |
1256 | asection *i = in->section; | |
f078dc7c | 1257 | bfd_size_type size = i->_cooked_size != 0 ? i->_cooked_size : i->_raw_size; |
1418c83b | 1258 | |
075d7359 SC |
1259 | if (size != 0) |
1260 | { | |
1261 | print_section (""); | |
1262 | fprintf (config.map_file, " "); | |
1263 | print_section (i->name); | |
1264 | fprintf (config.map_file, " "); | |
1265 | if (i->output_section) | |
1266 | { | |
1267 | print_address (i->output_section->vma + i->output_offset); | |
1268 | fprintf (config.map_file, " "); | |
ae475b39 SC |
1269 | print_size (i->_raw_size); |
1270 | fprintf (config.map_file, " "); | |
1271 | print_size(i->_cooked_size); | |
075d7359 SC |
1272 | fprintf (config.map_file, " "); |
1273 | print_alignment (i->alignment_power); | |
1274 | fprintf (config.map_file, " "); | |
1275 | if (in->ifile) | |
1276 | { | |
2fa0b342 | 1277 | |
075d7359 | 1278 | bfd *abfd = in->ifile->the_bfd; |
2fa0b342 | 1279 | |
075d7359 SC |
1280 | if (in->ifile->just_syms_flag == true) |
1281 | { | |
1282 | fprintf (config.map_file, "symbols only "); | |
1283 | } | |
2fa0b342 | 1284 | |
075d7359 SC |
1285 | fprintf (config.map_file, " %s ", abfd->xvec->name); |
1286 | if (abfd->my_archive != (bfd *) NULL) | |
1287 | { | |
1288 | fprintf (config.map_file, "[%s]%s", abfd->my_archive->filename, | |
1289 | abfd->filename); | |
1290 | } | |
1291 | else | |
1292 | { | |
1293 | fprintf (config.map_file, "%s", abfd->filename); | |
1294 | } | |
1295 | fprintf (config.map_file, "(overhead %d bytes)", (int) bfd_alloc_size (abfd)); | |
1296 | print_nl (); | |
2fa0b342 | 1297 | |
804c8601 SC |
1298 | /* Print all the symbols */ |
1299 | bfd_link_hash_traverse (link_info.hash, print_one_symbol, (PTR) i); | |
075d7359 SC |
1300 | } |
1301 | else | |
1302 | { | |
1303 | print_nl (); | |
1304 | } | |
1305 | ||
1306 | ||
1307 | print_dot = outside_section_address (i) + size; | |
1308 | } | |
1309 | else | |
1310 | { | |
1311 | fprintf (config.map_file, "No output section allocated\n"); | |
1312 | } | |
1313 | } | |
1314 | } | |
2fa0b342 DHW |
1315 | |
1316 | static void | |
8ddef552 DM |
1317 | print_fill_statement (fill) |
1318 | lang_fill_statement_type * fill; | |
075d7359 SC |
1319 | { |
1320 | fprintf (config.map_file, "FILL mask "); | |
1321 | print_fill (fill->fill); | |
1322 | } | |
1323 | ||
1324 | static void | |
8ddef552 DM |
1325 | print_data_statement (data) |
1326 | lang_data_statement_type * data; | |
2fa0b342 DHW |
1327 | { |
1328 | /* bfd_vma value; */ | |
075d7359 SC |
1329 | print_section (""); |
1330 | print_space (); | |
1331 | print_section (""); | |
1332 | print_space (); | |
65c552e3 | 1333 | /* ASSERT(print_dot == data->output_vma);*/ |
2fa0b342 | 1334 | |
075d7359 SC |
1335 | print_address (data->output_vma + data->output_section->vma); |
1336 | print_space (); | |
1337 | print_address (data->value); | |
1338 | print_space (); | |
1339 | switch (data->type) | |
1340 | { | |
1341 | case BYTE: | |
1342 | fprintf (config.map_file, "BYTE "); | |
1343 | print_dot += BYTE_SIZE; | |
1344 | break; | |
1345 | case SHORT: | |
1346 | fprintf (config.map_file, "SHORT "); | |
1347 | print_dot += SHORT_SIZE; | |
1348 | break; | |
1349 | case LONG: | |
1350 | fprintf (config.map_file, "LONG "); | |
1351 | print_dot += LONG_SIZE; | |
1352 | break; | |
c477527c ILT |
1353 | case QUAD: |
1354 | fprintf (config.map_file, "QUAD "); | |
1355 | print_dot += QUAD_SIZE; | |
1356 | break; | |
075d7359 SC |
1357 | } |
1358 | ||
1359 | exp_print_tree (data->exp); | |
2fa0b342 | 1360 | |
075d7359 | 1361 | fprintf (config.map_file, "\n"); |
2fa0b342 DHW |
1362 | } |
1363 | ||
4fdbafb2 ILT |
1364 | /* Print a reloc statement. */ |
1365 | ||
1366 | static void | |
1367 | print_reloc_statement (reloc) | |
1368 | lang_reloc_statement_type *reloc; | |
1369 | { | |
1370 | print_section (""); | |
1371 | print_space (); | |
1372 | print_section (""); | |
1373 | print_space (); | |
1374 | ||
1375 | /* ASSERT(print_dot == data->output_vma);*/ | |
1376 | ||
1377 | print_address (reloc->output_vma + reloc->output_section->vma); | |
1378 | print_space (); | |
1379 | print_address (reloc->addend_value); | |
1380 | print_space (); | |
1381 | ||
1382 | fprintf (config.map_file, "RELOC %s ", reloc->howto->name); | |
1383 | ||
1384 | print_dot += bfd_get_reloc_size (reloc->howto); | |
1385 | ||
1386 | exp_print_tree (reloc->addend_exp); | |
1387 | ||
1388 | fprintf (config.map_file, "\n"); | |
1389 | } | |
2fa0b342 DHW |
1390 | |
1391 | static void | |
8ddef552 DM |
1392 | print_padding_statement (s) |
1393 | lang_padding_statement_type * s; | |
075d7359 SC |
1394 | { |
1395 | print_section (""); | |
1396 | print_space (); | |
1397 | print_section ("*fill*"); | |
1398 | print_space (); | |
1399 | print_address (s->output_offset + s->output_section->vma); | |
1400 | print_space (); | |
1401 | print_size (s->size); | |
1402 | print_space (); | |
1403 | print_fill (s->fill); | |
1404 | print_nl (); | |
ffc50032 | 1405 | |
aa34a7c3 | 1406 | print_dot = s->output_offset + s->output_section->vma + s->size; |
ffc50032 | 1407 | |
2fa0b342 DHW |
1408 | } |
1409 | ||
075d7359 | 1410 | static void |
8ddef552 DM |
1411 | print_wild_statement (w, os) |
1412 | lang_wild_statement_type * w; | |
1413 | lang_output_section_statement_type * os; | |
2fa0b342 | 1414 | { |
075d7359 SC |
1415 | fprintf (config.map_file, " from "); |
1416 | if (w->filename != (char *) NULL) | |
1417 | { | |
1418 | fprintf (config.map_file, "%s", w->filename); | |
1419 | } | |
1420 | else | |
1421 | { | |
1422 | fprintf (config.map_file, "*"); | |
1423 | } | |
1424 | if (w->section_name != (char *) NULL) | |
1425 | { | |
1426 | fprintf (config.map_file, "(%s)", w->section_name); | |
1427 | } | |
1428 | else | |
1429 | { | |
1430 | fprintf (config.map_file, "(*)"); | |
1431 | } | |
1432 | print_nl (); | |
1433 | print_statement (w->children.head, os); | |
2fa0b342 DHW |
1434 | |
1435 | } | |
309c8153 ILT |
1436 | |
1437 | /* Print a group statement. */ | |
1438 | ||
1439 | static void | |
1440 | print_group (s, os) | |
1441 | lang_group_statement_type *s; | |
1442 | lang_output_section_statement_type *os; | |
1443 | { | |
1444 | fprintf (config.map_file, "START GROUP\n"); | |
1445 | print_statement (s->children.head, os); | |
1446 | fprintf (config.map_file, "END GROUP\n"); | |
1447 | } | |
1448 | ||
2fa0b342 | 1449 | static void |
8ddef552 DM |
1450 | print_statement (s, os) |
1451 | lang_statement_union_type * s; | |
1452 | lang_output_section_statement_type * os; | |
2fa0b342 | 1453 | { |
075d7359 | 1454 | while (s) |
c611e285 | 1455 | { |
075d7359 | 1456 | switch (s->header.type) |
c611e285 | 1457 | { |
075d7359 SC |
1458 | case lang_constructors_statement_enum: |
1459 | fprintf (config.map_file, "constructors:\n"); | |
1460 | print_statement (constructor_list.head, os); | |
1461 | break; | |
1462 | case lang_wild_statement_enum: | |
1463 | print_wild_statement (&s->wild_statement, os); | |
1464 | break; | |
1465 | default: | |
1466 | fprintf (config.map_file, "Fail with %d\n", s->header.type); | |
1467 | FAIL (); | |
1468 | break; | |
1469 | case lang_address_statement_enum: | |
1470 | fprintf (config.map_file, "address\n"); | |
1471 | break; | |
1472 | case lang_object_symbols_statement_enum: | |
1473 | fprintf (config.map_file, "object symbols\n"); | |
1474 | break; | |
1475 | case lang_fill_statement_enum: | |
1476 | print_fill_statement (&s->fill_statement); | |
1477 | break; | |
1478 | case lang_data_statement_enum: | |
1479 | print_data_statement (&s->data_statement); | |
1480 | break; | |
4fdbafb2 ILT |
1481 | case lang_reloc_statement_enum: |
1482 | print_reloc_statement (&s->reloc_statement); | |
1483 | break; | |
075d7359 SC |
1484 | case lang_input_section_enum: |
1485 | print_input_section (&s->input_section); | |
1486 | break; | |
1487 | case lang_padding_statement_enum: | |
1488 | print_padding_statement (&s->padding_statement); | |
1489 | break; | |
1490 | case lang_output_section_statement_enum: | |
1491 | print_output_section_statement (&s->output_section_statement); | |
1492 | break; | |
1493 | case lang_assignment_statement_enum: | |
1494 | print_assignment (&s->assignment_statement, | |
1495 | os); | |
1496 | break; | |
1497 | case lang_target_statement_enum: | |
1498 | fprintf (config.map_file, "TARGET(%s)\n", s->target_statement.target); | |
1499 | break; | |
1500 | case lang_output_statement_enum: | |
1501 | fprintf (config.map_file, "OUTPUT(%s %s)\n", | |
c611e285 | 1502 | s->output_statement.name, |
e20873a7 | 1503 | output_target ? output_target : ""); |
075d7359 SC |
1504 | break; |
1505 | case lang_input_statement_enum: | |
1506 | print_input_statement (&s->input_statement); | |
1507 | break; | |
309c8153 ILT |
1508 | case lang_group_statement_enum: |
1509 | print_group (&s->group_statement, os); | |
1510 | break; | |
075d7359 SC |
1511 | case lang_afile_asection_pair_statement_enum: |
1512 | FAIL (); | |
1513 | break; | |
c611e285 | 1514 | } |
075d7359 | 1515 | s = s->next; |
2fa0b342 | 1516 | } |
2fa0b342 DHW |
1517 | } |
1518 | ||
1519 | ||
1520 | static void | |
8ddef552 | 1521 | print_statements () |
2fa0b342 | 1522 | { |
075d7359 SC |
1523 | print_statement (statement_list.head, |
1524 | abs_output_section); | |
1525 | ||
2fa0b342 DHW |
1526 | } |
1527 | ||
1528 | static bfd_vma | |
9f629407 ILT |
1529 | insert_pad (this_ptr, fill, power, output_section_statement, dot) |
1530 | lang_statement_union_type ** this_ptr; | |
1531 | fill_type fill; | |
1532 | unsigned int power; | |
1533 | asection * output_section_statement; | |
1534 | bfd_vma dot; | |
075d7359 SC |
1535 | { |
1536 | /* Align this section first to the | |
2fa0b342 DHW |
1537 | input sections requirement, then |
1538 | to the output section's requirement. | |
075d7359 | 1539 | If this alignment is > than any seen before, |
2fa0b342 DHW |
1540 | then record it too. Perform the alignment by |
1541 | inserting a magic 'padding' statement. | |
1542 | */ | |
1543 | ||
075d7359 | 1544 | unsigned int alignment_needed = align_power (dot, power) - dot; |
2fa0b342 | 1545 | |
075d7359 | 1546 | if (alignment_needed != 0) |
2fa0b342 | 1547 | { |
075d7359 SC |
1548 | lang_statement_union_type *new = |
1549 | (lang_statement_union_type *) | |
1550 | stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type))); | |
1551 | ||
2fa0b342 DHW |
1552 | /* Link into existing chain */ |
1553 | new->header.next = *this_ptr; | |
1554 | *this_ptr = new; | |
1555 | new->header.type = lang_padding_statement_enum; | |
1556 | new->padding_statement.output_section = output_section_statement; | |
1557 | new->padding_statement.output_offset = | |
1558 | dot - output_section_statement->vma; | |
1559 | new->padding_statement.fill = fill; | |
1560 | new->padding_statement.size = alignment_needed; | |
1561 | } | |
1562 | ||
1563 | ||
1564 | /* Remember the most restrictive alignment */ | |
075d7359 SC |
1565 | if (power > output_section_statement->alignment_power) |
1566 | { | |
1567 | output_section_statement->alignment_power = power; | |
1568 | } | |
c611e285 | 1569 | output_section_statement->_raw_size += alignment_needed; |
2fa0b342 DHW |
1570 | return alignment_needed + dot; |
1571 | ||
1572 | } | |
1573 | ||
1418c83b | 1574 | /* Work out how much this section will move the dot point */ |
075d7359 | 1575 | static bfd_vma |
9f629407 ILT |
1576 | size_input_section (this_ptr, output_section_statement, fill, dot, relax) |
1577 | lang_statement_union_type ** this_ptr; | |
1578 | lang_output_section_statement_type * output_section_statement; | |
c477527c | 1579 | fill_type fill; |
9f629407 ILT |
1580 | bfd_vma dot; |
1581 | boolean relax; | |
2fa0b342 DHW |
1582 | { |
1583 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1584 | asection *i = is->section; | |
2fa0b342 | 1585 | |
075d7359 SC |
1586 | if (is->ifile->just_syms_flag == false) |
1587 | { | |
e20873a7 JG |
1588 | if (output_section_statement->subsection_alignment != -1) |
1589 | i->alignment_power = | |
1590 | output_section_statement->subsection_alignment; | |
1591 | ||
075d7359 SC |
1592 | dot = insert_pad (this_ptr, fill, i->alignment_power, |
1593 | output_section_statement->bfd_section, dot); | |
1594 | ||
075d7359 | 1595 | /* Remember where in the output section this input section goes */ |
ac004870 | 1596 | |
075d7359 SC |
1597 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1598 | ||
ae475b39 SC |
1599 | /* Mark how big the output section must be to contain this now |
1600 | */ | |
f078dc7c ILT |
1601 | if (i->_cooked_size != 0) |
1602 | dot += i->_cooked_size; | |
ae475b39 | 1603 | else |
f078dc7c | 1604 | dot += i->_raw_size; |
ae475b39 | 1605 | output_section_statement->bfd_section->_raw_size = dot - output_section_statement->bfd_section->vma; |
075d7359 | 1606 | } |
ac004870 | 1607 | else |
075d7359 SC |
1608 | { |
1609 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1610 | } | |
2fa0b342 | 1611 | |
075d7359 | 1612 | return dot; |
2fa0b342 DHW |
1613 | } |
1614 | ||
193c5f93 ILT |
1615 | /* This variable indicates whether bfd_relax_section should be called |
1616 | again. */ | |
1617 | ||
1618 | static boolean relax_again; | |
1619 | ||
1620 | /* Set the sizes for all the output sections. */ | |
c611e285 | 1621 | |
a62494c4 | 1622 | bfd_vma |
9f629407 ILT |
1623 | lang_size_sections (s, output_section_statement, prev, fill, dot, relax) |
1624 | lang_statement_union_type * s; | |
1625 | lang_output_section_statement_type * output_section_statement; | |
1626 | lang_statement_union_type ** prev; | |
c477527c | 1627 | fill_type fill; |
9f629407 ILT |
1628 | bfd_vma dot; |
1629 | boolean relax; | |
c611e285 SC |
1630 | { |
1631 | /* Size up the sections from their constituent parts */ | |
075d7359 | 1632 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
ae475b39 SC |
1633 | { |
1634 | switch (s->header.type) | |
075d7359 | 1635 | { |
c611e285 | 1636 | |
ae475b39 SC |
1637 | case lang_output_section_statement_enum: |
1638 | { | |
1639 | bfd_vma after; | |
1640 | lang_output_section_statement_type *os = &s->output_section_statement; | |
1641 | ||
f9d3d71a ILT |
1642 | if (os->bfd_section == NULL) |
1643 | { | |
1644 | /* This section was never actually created. */ | |
1645 | break; | |
1646 | } | |
1647 | ||
27f7237e ILT |
1648 | /* If this is a COFF shared library section, use the size and |
1649 | address from the input section. FIXME: This is COFF | |
1650 | specific; it would be cleaner if there were some other way | |
1651 | to do this, but nothing simple comes to mind. */ | |
1652 | if ((os->bfd_section->flags & SEC_COFF_SHARED_LIBRARY) != 0) | |
1653 | { | |
1654 | asection *input; | |
1655 | ||
1656 | if (os->children.head == NULL | |
1657 | || os->children.head->next != NULL | |
1658 | || os->children.head->header.type != lang_input_section_enum) | |
1659 | einfo ("%P%X: Internal error on COFF shared library section %s", | |
1660 | os->name); | |
1661 | ||
1662 | input = os->children.head->input_section.section; | |
1663 | bfd_set_section_vma (os->bfd_section->owner, | |
1664 | os->bfd_section, | |
1665 | bfd_section_vma (input->owner, input)); | |
1666 | os->bfd_section->_raw_size = input->_raw_size; | |
1667 | break; | |
1668 | } | |
e9b63852 | 1669 | |
686739e2 | 1670 | if (bfd_is_abs_section (os->bfd_section)) |
ae475b39 SC |
1671 | { |
1672 | /* No matter what happens, an abs section starts at zero */ | |
686739e2 | 1673 | ASSERT (os->bfd_section->vma == 0); |
ae475b39 SC |
1674 | } |
1675 | else | |
1676 | { | |
1677 | if (os->addr_tree == (etree_type *) NULL) | |
1678 | { | |
1679 | /* No address specified for this section, get one | |
1680 | from the region specification | |
1681 | */ | |
1682 | if (os->region == (lang_memory_region_type *) NULL) | |
1683 | { | |
1684 | os->region = lang_memory_region_lookup ("*default*"); | |
1685 | } | |
1686 | dot = os->region->current; | |
feaa9c4b ILT |
1687 | if (os->section_alignment == -1) |
1688 | dot = align_power (dot, os->bfd_section->alignment_power); | |
ae475b39 SC |
1689 | } |
1690 | else | |
1691 | { | |
1692 | etree_value_type r; | |
1693 | ||
1694 | r = exp_fold_tree (os->addr_tree, | |
1695 | abs_output_section, | |
1696 | lang_allocating_phase_enum, | |
1697 | dot, &dot); | |
1698 | if (r.valid == false) | |
1699 | { | |
1700 | einfo ("%F%S: non constant address expression for section %s\n", | |
1701 | os->name); | |
1702 | } | |
1703 | dot = r.value; | |
1704 | } | |
1705 | /* The section starts here */ | |
1706 | /* First, align to what the section needs */ | |
1707 | ||
a62494c4 JL |
1708 | if (os->section_alignment != -1) |
1709 | dot = align_power (dot, os->section_alignment); | |
ae475b39 | 1710 | |
ae475b39 | 1711 | bfd_set_section_vma (0, os->bfd_section, dot); |
9fce28ed SC |
1712 | |
1713 | if (os->load_base) { | |
1714 | os->bfd_section->lma | |
1715 | = exp_get_value_int(os->load_base, 0,"load base", lang_final_phase_enum); | |
1716 | } | |
ae475b39 | 1717 | |
686739e2 ILT |
1718 | os->bfd_section->output_offset = 0; |
1719 | } | |
ae475b39 SC |
1720 | |
1721 | (void) lang_size_sections (os->children.head, os, &os->children.head, | |
1722 | os->fill, dot, relax); | |
1723 | /* Ignore the size of the input sections, use the vma and size to */ | |
1724 | /* align against */ | |
1725 | ||
8ddef552 | 1726 | after = ALIGN_N (os->bfd_section->vma + |
97fbbaca JL |
1727 | os->bfd_section->_raw_size, |
1728 | /* The coercion here is important, see ld.h. */ | |
1729 | (bfd_vma) os->block_value); | |
ae475b39 | 1730 | |
686739e2 ILT |
1731 | if (bfd_is_abs_section (os->bfd_section)) |
1732 | ASSERT (after == os->bfd_section->vma); | |
1733 | else | |
1734 | os->bfd_section->_raw_size = after - os->bfd_section->vma; | |
ae475b39 SC |
1735 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; |
1736 | os->processed = true; | |
1737 | ||
1738 | /* Replace into region ? */ | |
686739e2 | 1739 | if (os->region != (lang_memory_region_type *) NULL) |
ae475b39 SC |
1740 | { |
1741 | os->region->current = dot; | |
1742 | /* Make sure this isn't silly */ | |
9fce28ed SC |
1743 | if (( os->region->current |
1744 | > os->region->origin + os->region->length) | |
1745 | || ( os->region->origin > os->region->current )) | |
1746 | { | |
ddddcdf0 | 1747 | einfo ("%X%P: region %s is full (%B section %s)\n", |
9fce28ed SC |
1748 | os->region->name, |
1749 | os->bfd_section->owner, | |
1750 | os->bfd_section->name); | |
1751 | /* Reset the region pointer */ | |
1752 | os->region->current = 0; | |
ae475b39 | 1753 | |
9fce28ed | 1754 | } |
ae475b39 SC |
1755 | |
1756 | } | |
1757 | } | |
9d1fe8a4 | 1758 | |
ae475b39 SC |
1759 | break; |
1760 | case lang_constructors_statement_enum: | |
1761 | dot = lang_size_sections (constructor_list.head, | |
1762 | output_section_statement, | |
1763 | &s->wild_statement.children.head, | |
1764 | fill, | |
1765 | dot, relax); | |
1766 | break; | |
9d1fe8a4 | 1767 | |
ae475b39 SC |
1768 | case lang_data_statement_enum: |
1769 | { | |
1770 | unsigned int size = 0; | |
1771 | ||
1772 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; | |
1773 | s->data_statement.output_section = | |
1774 | output_section_statement->bfd_section; | |
1775 | ||
1776 | switch (s->data_statement.type) | |
1777 | { | |
c477527c ILT |
1778 | case QUAD: |
1779 | size = QUAD_SIZE; | |
1780 | break; | |
ae475b39 SC |
1781 | case LONG: |
1782 | size = LONG_SIZE; | |
1783 | break; | |
1784 | case SHORT: | |
1785 | size = SHORT_SIZE; | |
1786 | break; | |
1787 | case BYTE: | |
1788 | size = BYTE_SIZE; | |
1789 | break; | |
1790 | ||
1791 | } | |
1792 | dot += size; | |
1793 | output_section_statement->bfd_section->_raw_size += size; | |
1794 | } | |
1795 | break; | |
c611e285 | 1796 | |
4fdbafb2 ILT |
1797 | case lang_reloc_statement_enum: |
1798 | { | |
1799 | int size; | |
1800 | ||
1801 | s->reloc_statement.output_vma = | |
1802 | dot - output_section_statement->bfd_section->vma; | |
1803 | s->reloc_statement.output_section = | |
1804 | output_section_statement->bfd_section; | |
1805 | size = bfd_get_reloc_size (s->reloc_statement.howto); | |
1806 | dot += size; | |
1807 | output_section_statement->bfd_section->_raw_size += size; | |
1808 | } | |
1809 | break; | |
1810 | ||
ae475b39 | 1811 | case lang_wild_statement_enum: |
c611e285 | 1812 | |
ae475b39 SC |
1813 | dot = lang_size_sections (s->wild_statement.children.head, |
1814 | output_section_statement, | |
1815 | &s->wild_statement.children.head, | |
c611e285 | 1816 | |
ae475b39 | 1817 | fill, dot, relax); |
c611e285 | 1818 | |
ae475b39 | 1819 | break; |
c611e285 | 1820 | |
ae475b39 | 1821 | case lang_object_symbols_statement_enum: |
c477527c ILT |
1822 | link_info.create_object_symbols_section = |
1823 | output_section_statement->bfd_section; | |
ae475b39 SC |
1824 | break; |
1825 | case lang_output_statement_enum: | |
1826 | case lang_target_statement_enum: | |
1827 | break; | |
1828 | case lang_input_section_enum: | |
ae475b39 | 1829 | { |
c477527c ILT |
1830 | asection *i; |
1831 | ||
193c5f93 ILT |
1832 | i = (*prev)->input_section.section; |
1833 | if (! relax) | |
1834 | i->_cooked_size = i->_raw_size; | |
1835 | else | |
755f42fe | 1836 | { |
193c5f93 | 1837 | boolean again; |
075d7359 | 1838 | |
193c5f93 ILT |
1839 | if (! bfd_relax_section (i->owner, i, &link_info, &again)) |
1840 | einfo ("%P%F: can't relax section: %E\n"); | |
1841 | if (again) | |
1842 | relax_again = true; | |
1843 | } | |
1844 | dot = size_input_section (prev, | |
1845 | output_section_statement, | |
1846 | output_section_statement->fill, | |
1847 | dot, relax); | |
ae475b39 | 1848 | } |
ae475b39 SC |
1849 | break; |
1850 | case lang_input_statement_enum: | |
1851 | break; | |
1852 | case lang_fill_statement_enum: | |
1853 | s->fill_statement.output_section = output_section_statement->bfd_section; | |
075d7359 | 1854 | |
ae475b39 SC |
1855 | fill = s->fill_statement.fill; |
1856 | break; | |
1857 | case lang_assignment_statement_enum: | |
1858 | { | |
1859 | bfd_vma newdot = dot; | |
1860 | ||
1861 | exp_fold_tree (s->assignment_statement.exp, | |
1862 | output_section_statement, | |
1863 | lang_allocating_phase_enum, | |
1864 | dot, | |
1865 | &newdot); | |
1866 | ||
1867 | if (newdot != dot && !relax) | |
27f7237e ILT |
1868 | { |
1869 | /* The assignment changed dot. Insert a pad. */ | |
1870 | if (output_section_statement == abs_output_section) | |
1871 | { | |
1872 | /* If we don't have an output section, then just adjust | |
1873 | the default memory address. */ | |
1874 | lang_memory_region_lookup ("*default*")->current = newdot; | |
1875 | } | |
1876 | else | |
1877 | { | |
1878 | lang_statement_union_type *new = | |
1879 | ((lang_statement_union_type *) | |
1880 | stat_alloc (sizeof (lang_padding_statement_type))); | |
1881 | ||
1882 | /* Link into existing chain */ | |
1883 | new->header.next = *prev; | |
1884 | *prev = new; | |
1885 | new->header.type = lang_padding_statement_enum; | |
1886 | new->padding_statement.output_section = | |
1887 | output_section_statement->bfd_section; | |
1888 | new->padding_statement.output_offset = | |
1889 | dot - output_section_statement->bfd_section->vma; | |
1890 | new->padding_statement.fill = fill; | |
1891 | new->padding_statement.size = newdot - dot; | |
1892 | output_section_statement->bfd_section->_raw_size += | |
1893 | new->padding_statement.size; | |
1894 | } | |
1895 | ||
1896 | dot = newdot; | |
1897 | } | |
ae475b39 | 1898 | } |
27f7237e | 1899 | break; |
9d87af56 ILT |
1900 | |
1901 | case lang_padding_statement_enum: | |
1902 | /* If we are relaxing, and this is not the first pass, some | |
1903 | padding statements may have been inserted during previous | |
1904 | passes. We may have to move the padding statement to a new | |
1905 | location if dot has a different value at this point in this | |
1906 | pass than it did at this point in the previous pass. */ | |
1907 | s->padding_statement.output_offset = | |
1908 | dot - output_section_statement->bfd_section->vma; | |
1909 | dot += s->padding_statement.size; | |
1910 | break; | |
1911 | ||
309c8153 ILT |
1912 | case lang_group_statement_enum: |
1913 | dot = lang_size_sections (s->group_statement.children.head, | |
1914 | output_section_statement, | |
1915 | &s->group_statement.children.head, | |
1916 | fill, dot, relax); | |
1917 | break; | |
1918 | ||
ae475b39 SC |
1919 | default: |
1920 | FAIL (); | |
1921 | break; | |
9d87af56 | 1922 | |
ae475b39 | 1923 | /* This can only get here when relaxing is turned on */ |
075d7359 | 1924 | |
ae475b39 SC |
1925 | case lang_address_statement_enum: |
1926 | break; | |
075d7359 | 1927 | } |
ae475b39 SC |
1928 | prev = &s->header.next; |
1929 | } | |
c611e285 SC |
1930 | return dot; |
1931 | } | |
9d1fe8a4 | 1932 | |
309c8153 | 1933 | bfd_vma |
9f629407 ILT |
1934 | lang_do_assignments (s, output_section_statement, fill, dot) |
1935 | lang_statement_union_type * s; | |
1936 | lang_output_section_statement_type * output_section_statement; | |
c477527c | 1937 | fill_type fill; |
9f629407 | 1938 | bfd_vma dot; |
2fa0b342 | 1939 | { |
075d7359 | 1940 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1941 | { |
075d7359 | 1942 | switch (s->header.type) |
2fa0b342 | 1943 | { |
075d7359 SC |
1944 | case lang_constructors_statement_enum: |
1945 | dot = lang_do_assignments (constructor_list.head, | |
1946 | output_section_statement, | |
1947 | fill, | |
1948 | dot); | |
1949 | break; | |
1950 | ||
1951 | case lang_output_section_statement_enum: | |
1952 | { | |
1953 | lang_output_section_statement_type *os = | |
269773c1 | 1954 | &(s->output_section_statement); |
2fa0b342 | 1955 | |
269773c1 ILT |
1956 | if (os->bfd_section != NULL) |
1957 | { | |
1958 | dot = os->bfd_section->vma; | |
1959 | (void) lang_do_assignments (os->children.head, os, | |
1960 | os->fill, dot); | |
1961 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
1962 | } | |
075d7359 SC |
1963 | } |
1964 | break; | |
1965 | case lang_wild_statement_enum: | |
2fa0b342 | 1966 | |
075d7359 SC |
1967 | dot = lang_do_assignments (s->wild_statement.children.head, |
1968 | output_section_statement, | |
1969 | fill, dot); | |
2fa0b342 | 1970 | |
075d7359 SC |
1971 | break; |
1972 | ||
1973 | case lang_object_symbols_statement_enum: | |
1974 | case lang_output_statement_enum: | |
1975 | case lang_target_statement_enum: | |
1418c83b | 1976 | #if 0 |
075d7359 | 1977 | case lang_common_statement_enum: |
1418c83b | 1978 | #endif |
2fa0b342 | 1979 | break; |
075d7359 SC |
1980 | case lang_data_statement_enum: |
1981 | { | |
1982 | etree_value_type value; | |
1983 | ||
1984 | value = exp_fold_tree (s->data_statement.exp, | |
1985 | abs_output_section, | |
1986 | lang_final_phase_enum, dot, &dot); | |
1987 | s->data_statement.value = value.value; | |
1988 | if (value.valid == false) | |
ddddcdf0 | 1989 | einfo ("%F%P: invalid data statement\n"); |
075d7359 SC |
1990 | } |
1991 | switch (s->data_statement.type) | |
1992 | { | |
c477527c ILT |
1993 | case QUAD: |
1994 | dot += QUAD_SIZE; | |
1995 | break; | |
075d7359 SC |
1996 | case LONG: |
1997 | dot += LONG_SIZE; | |
1998 | break; | |
1999 | case SHORT: | |
2000 | dot += SHORT_SIZE; | |
2001 | break; | |
2002 | case BYTE: | |
2003 | dot += BYTE_SIZE; | |
2004 | break; | |
2005 | } | |
2fa0b342 | 2006 | break; |
4fdbafb2 ILT |
2007 | |
2008 | case lang_reloc_statement_enum: | |
2009 | { | |
2010 | etree_value_type value; | |
2011 | ||
2012 | value = exp_fold_tree (s->reloc_statement.addend_exp, | |
2013 | abs_output_section, | |
2014 | lang_final_phase_enum, dot, &dot); | |
2015 | s->reloc_statement.addend_value = value.value; | |
2016 | if (value.valid == false) | |
2017 | einfo ("%F%P: invalid reloc statement\n"); | |
2018 | } | |
2019 | dot += bfd_get_reloc_size (s->reloc_statement.howto); | |
2020 | break; | |
2021 | ||
075d7359 SC |
2022 | case lang_input_section_enum: |
2023 | { | |
2024 | asection *in = s->input_section.section; | |
2025 | ||
f078dc7c ILT |
2026 | if (in->_cooked_size != 0) |
2027 | dot += in->_cooked_size; | |
2028 | else | |
2029 | dot += in->_raw_size; | |
075d7359 | 2030 | } |
2fa0b342 | 2031 | break; |
2fa0b342 | 2032 | |
075d7359 SC |
2033 | case lang_input_statement_enum: |
2034 | break; | |
2035 | case lang_fill_statement_enum: | |
2036 | fill = s->fill_statement.fill; | |
2037 | break; | |
2038 | case lang_assignment_statement_enum: | |
2039 | { | |
2040 | exp_fold_tree (s->assignment_statement.exp, | |
2041 | output_section_statement, | |
2042 | lang_final_phase_enum, | |
2043 | dot, | |
2044 | &dot); | |
2045 | } | |
2046 | ||
2047 | break; | |
2048 | case lang_padding_statement_enum: | |
2049 | dot += s->padding_statement.size; | |
2050 | break; | |
309c8153 ILT |
2051 | |
2052 | case lang_group_statement_enum: | |
2053 | dot = lang_do_assignments (s->group_statement.children.head, | |
2054 | output_section_statement, | |
2055 | fill, dot); | |
2056 | ||
2057 | break; | |
2058 | ||
075d7359 SC |
2059 | default: |
2060 | FAIL (); | |
2061 | break; | |
2062 | case lang_address_statement_enum: | |
2063 | break; | |
2064 | } | |
2fa0b342 DHW |
2065 | |
2066 | } | |
2067 | return dot; | |
2068 | } | |
2069 | ||
2fa0b342 | 2070 | static void |
8ddef552 | 2071 | lang_finish () |
2fa0b342 | 2072 | { |
c477527c ILT |
2073 | struct bfd_link_hash_entry *h; |
2074 | boolean warn = link_info.relocateable ? false : true; | |
075d7359 | 2075 | |
c477527c ILT |
2076 | if (entry_symbol == (char *) NULL) |
2077 | { | |
2078 | /* No entry has been specified. Look for start, but don't warn | |
2079 | if we don't find it. */ | |
2080 | entry_symbol = "start"; | |
2081 | warn = false; | |
2082 | } | |
2fa0b342 | 2083 | |
c477527c ILT |
2084 | h = bfd_link_hash_lookup (link_info.hash, entry_symbol, false, false, true); |
2085 | if (h != (struct bfd_link_hash_entry *) NULL | |
2086 | && h->type == bfd_link_hash_defined) | |
075d7359 | 2087 | { |
c477527c | 2088 | bfd_vma val; |
075d7359 | 2089 | |
c477527c ILT |
2090 | val = (h->u.def.value |
2091 | + bfd_get_section_vma (output_bfd, | |
2092 | h->u.def.section->output_section) | |
2093 | + h->u.def.section->output_offset); | |
2094 | if (! bfd_set_start_address (output_bfd, val)) | |
2095 | einfo ("%P%F:%s: can't set start address\n", entry_symbol); | |
075d7359 | 2096 | } |
c477527c | 2097 | else |
22a78f0d | 2098 | { |
c477527c ILT |
2099 | asection *ts; |
2100 | ||
2101 | /* Can't find the entry symbol. Use the first address in the | |
2102 | text section. */ | |
2103 | ts = bfd_get_section_by_name (output_bfd, ".text"); | |
2104 | if (ts != (asection *) NULL) | |
2105 | { | |
2106 | if (warn) | |
2107 | einfo ("%P: warning: cannot find entry symbol %s; defaulting to %V\n", | |
2108 | entry_symbol, bfd_get_section_vma (output_bfd, ts)); | |
2109 | if (! bfd_set_start_address (output_bfd, | |
2110 | bfd_get_section_vma (output_bfd, ts))) | |
2111 | einfo ("%P%F: can't set start address\n"); | |
2112 | } | |
2113 | else | |
2114 | { | |
2115 | if (warn) | |
2116 | einfo ("%P: warning: cannot find entry symbol %s; not setting start address\n", | |
2117 | entry_symbol); | |
2118 | } | |
22a78f0d | 2119 | } |
2fa0b342 DHW |
2120 | } |
2121 | ||
2122 | /* By now we know the target architecture, and we may have an */ | |
2123 | /* ldfile_output_machine_name */ | |
2124 | static void | |
8ddef552 | 2125 | lang_check () |
2fa0b342 DHW |
2126 | { |
2127 | lang_statement_union_type *file; | |
075d7359 SC |
2128 | bfd *input_bfd; |
2129 | unsigned long input_machine; | |
2130 | enum bfd_architecture input_architecture; | |
2131 | CONST bfd_arch_info_type *compatible; | |
7bc4a0d7 | 2132 | |
2fa0b342 | 2133 | for (file = file_chain.head; |
075d7359 SC |
2134 | file != (lang_statement_union_type *) NULL; |
2135 | file = file->input_statement.next) | |
2136 | { | |
075d7359 | 2137 | input_bfd = file->input_statement.the_bfd; |
7bc4a0d7 | 2138 | |
075d7359 SC |
2139 | input_machine = bfd_get_mach (input_bfd); |
2140 | input_architecture = bfd_get_arch (input_bfd); | |
7bc4a0d7 | 2141 | |
7bc4a0d7 | 2142 | |
075d7359 SC |
2143 | /* Inspect the architecture and ensure we're linking like with |
2144 | like */ | |
7bc4a0d7 | 2145 | |
075d7359 SC |
2146 | compatible = bfd_arch_get_compatible (input_bfd, |
2147 | output_bfd); | |
22a78f0d | 2148 | |
075d7359 SC |
2149 | if (compatible) |
2150 | { | |
2151 | ldfile_output_machine = compatible->mach; | |
2152 | ldfile_output_architecture = compatible->arch; | |
2153 | } | |
2154 | else | |
2155 | { | |
7bc4a0d7 | 2156 | |
c477527c | 2157 | einfo ("%P: warning: %s architecture of input file `%B' is incompatible with %s output\n", |
075d7359 SC |
2158 | bfd_printable_name (input_bfd), input_bfd, |
2159 | bfd_printable_name (output_bfd)); | |
7bc4a0d7 | 2160 | |
ddddcdf0 ILT |
2161 | if (! bfd_set_arch_mach (output_bfd, |
2162 | input_architecture, | |
2163 | input_machine)) | |
2164 | einfo ("%P%F:%s: can't set architecture: %E\n", | |
2165 | bfd_get_filename (output_bfd)); | |
075d7359 | 2166 | } |
2fa0b342 | 2167 | |
075d7359 SC |
2168 | } |
2169 | } | |
2fa0b342 | 2170 | |
c477527c ILT |
2171 | /* Look through all the global common symbols and attach them to the |
2172 | correct section. The -sort-common command line switch may be used | |
2173 | to roughly sort the entries by size. */ | |
2fa0b342 DHW |
2174 | |
2175 | static void | |
8ddef552 | 2176 | lang_common () |
2fa0b342 | 2177 | { |
c477527c ILT |
2178 | if (link_info.relocateable |
2179 | && ! command_line.force_common_definition) | |
2180 | return; | |
075d7359 | 2181 | |
c477527c ILT |
2182 | if (! config.sort_common) |
2183 | bfd_link_hash_traverse (link_info.hash, lang_one_common, (PTR) NULL); | |
2184 | else | |
075d7359 | 2185 | { |
c477527c | 2186 | unsigned int power; |
1418c83b | 2187 | |
36c6e8c3 | 2188 | for (power = 1; power < 4; power++) |
c477527c ILT |
2189 | bfd_link_hash_traverse (link_info.hash, lang_one_common, |
2190 | (PTR) &power); | |
2191 | } | |
2192 | } | |
29f33467 | 2193 | |
c477527c | 2194 | /* Place one common symbol in the correct section. */ |
075d7359 | 2195 | |
c477527c ILT |
2196 | static boolean |
2197 | lang_one_common (h, info) | |
2198 | struct bfd_link_hash_entry *h; | |
2199 | PTR info; | |
2200 | { | |
2201 | unsigned int power_of_two; | |
2202 | bfd_vma size; | |
c477527c | 2203 | asection *section; |
075d7359 | 2204 | |
c477527c ILT |
2205 | if (h->type != bfd_link_hash_common) |
2206 | return true; | |
075d7359 | 2207 | |
c477527c | 2208 | size = h->u.c.size; |
36c6e8c3 ILT |
2209 | power_of_two = h->u.c.alignment_power; |
2210 | ||
2211 | if (config.sort_common | |
2212 | && power_of_two < *(unsigned int *) info | |
2213 | && *(unsigned int *) info < 4) | |
c477527c | 2214 | return true; |
075d7359 | 2215 | |
c477527c | 2216 | section = h->u.c.section; |
075d7359 | 2217 | |
c477527c | 2218 | /* Increase the size of the section. */ |
36c6e8c3 ILT |
2219 | section->_raw_size = ALIGN_N (section->_raw_size, |
2220 | (bfd_size_type) (1 << power_of_two)); | |
075d7359 | 2221 | |
c477527c ILT |
2222 | /* Adjust the alignment if necessary. */ |
2223 | if (power_of_two > section->alignment_power) | |
2224 | section->alignment_power = power_of_two; | |
075d7359 | 2225 | |
c477527c ILT |
2226 | /* Change the symbol from common to defined. */ |
2227 | h->type = bfd_link_hash_defined; | |
2228 | h->u.def.section = section; | |
2229 | h->u.def.value = section->_raw_size; | |
097879bc | 2230 | |
c477527c ILT |
2231 | /* Increase the size of the section. */ |
2232 | section->_raw_size += size; | |
1418c83b | 2233 | |
b495c314 | 2234 | if (config.map_file != NULL) |
c477527c ILT |
2235 | fprintf (config.map_file, "Allocating common %s: %lx at %lx %s\n", |
2236 | h->root.string, (unsigned long) size, | |
2237 | (unsigned long) h->u.def.value, section->owner->filename); | |
1418c83b | 2238 | |
c477527c | 2239 | return true; |
2fa0b342 DHW |
2240 | } |
2241 | ||
2242 | /* | |
075d7359 | 2243 | run through the input files and ensure that every input |
2fa0b342 DHW |
2244 | section has somewhere to go. If one is found without |
2245 | a destination then create an input request and place it | |
2246 | into the statement tree. | |
2247 | */ | |
2248 | ||
075d7359 | 2249 | static void |
8ddef552 | 2250 | lang_place_orphans () |
2fa0b342 DHW |
2251 | { |
2252 | lang_input_statement_type *file; | |
1418c83b | 2253 | |
075d7359 SC |
2254 | for (file = (lang_input_statement_type *) file_chain.head; |
2255 | file != (lang_input_statement_type *) NULL; | |
2256 | file = (lang_input_statement_type *) file->next) | |
2257 | { | |
2258 | asection *s; | |
2259 | ||
f9d3d71a ILT |
2260 | if (file->just_syms_flag) |
2261 | continue; | |
2262 | ||
075d7359 SC |
2263 | for (s = file->the_bfd->sections; |
2264 | s != (asection *) NULL; | |
2265 | s = s->next) | |
2266 | { | |
2267 | if (s->output_section == (asection *) NULL) | |
2268 | { | |
2269 | /* This section of the file is not attatched, root | |
2270 | around for a sensible place for it to go */ | |
2271 | ||
2272 | if (file->common_section == s) | |
2273 | { | |
2274 | /* This is a lonely common section which must | |
2275 | have come from an archive. We attatch to the | |
2276 | section with the wildcard */ | |
c477527c ILT |
2277 | if (! link_info.relocateable |
2278 | && ! command_line.force_common_definition) | |
075d7359 SC |
2279 | { |
2280 | if (default_common_section == | |
2281 | (lang_output_section_statement_type *) NULL) | |
2282 | { | |
a4aeaacf | 2283 | info_msg ("%P: no [COMMON] command, defaulting to .bss\n"); |
075d7359 SC |
2284 | |
2285 | default_common_section = | |
2286 | lang_output_section_statement_lookup (".bss"); | |
2287 | ||
2288 | } | |
2289 | wild_doit (&default_common_section->children, s, | |
2290 | default_common_section, file); | |
2291 | } | |
2292 | } | |
2293 | else | |
2294 | { | |
2295 | lang_output_section_statement_type *os = | |
2296 | lang_output_section_statement_lookup (s->name); | |
2fa0b342 | 2297 | |
075d7359 SC |
2298 | wild_doit (&os->children, s, os, file); |
2299 | } | |
2300 | } | |
2fa0b342 | 2301 | } |
2fa0b342 | 2302 | } |
2fa0b342 DHW |
2303 | } |
2304 | ||
2305 | ||
2fa0b342 | 2306 | void |
8ddef552 DM |
2307 | lang_set_flags (ptr, flags) |
2308 | int *ptr; | |
2309 | CONST char *flags; | |
2fa0b342 | 2310 | { |
075d7359 SC |
2311 | boolean state = false; |
2312 | ||
2313 | *ptr = 0; | |
2fa0b342 | 2314 | while (*flags) |
075d7359 SC |
2315 | { |
2316 | if (*flags == '!') | |
2317 | { | |
2318 | state = false; | |
2319 | flags++; | |
2320 | } | |
2321 | else | |
2322 | state = true; | |
2323 | switch (*flags) | |
2324 | { | |
2325 | case 'R': | |
2326 | /* ptr->flag_read = state; */ | |
2327 | break; | |
2328 | case 'W': | |
2329 | /* ptr->flag_write = state; */ | |
2330 | break; | |
2331 | case 'X': | |
2332 | /* ptr->flag_executable= state;*/ | |
2333 | break; | |
2334 | case 'L': | |
2335 | case 'I': | |
2336 | /* ptr->flag_loadable= state;*/ | |
2337 | break; | |
2338 | default: | |
ddddcdf0 | 2339 | einfo ("%P%F: invalid syntax in flags\n"); |
075d7359 SC |
2340 | break; |
2341 | } | |
dc4726c2 SC |
2342 | flags++; |
2343 | } | |
2fa0b342 DHW |
2344 | } |
2345 | ||
a4d2a48e ILT |
2346 | /* Call a function on each input file. This function will be called |
2347 | on an archive, but not on the elements. */ | |
2348 | ||
2349 | void | |
2350 | lang_for_each_input_file (func) | |
2351 | void (*func) PARAMS ((lang_input_statement_type *)); | |
2352 | { | |
2353 | lang_input_statement_type *f; | |
2354 | ||
2355 | for (f = (lang_input_statement_type *) input_file_chain.head; | |
2356 | f != NULL; | |
2357 | f = (lang_input_statement_type *) f->next_real_file) | |
2358 | func (f); | |
2359 | } | |
2fa0b342 | 2360 | |
a4d2a48e ILT |
2361 | /* Call a function on each file. The function will be called on all |
2362 | the elements of an archive which are included in the link, but will | |
2363 | not be called on the archive file itself. */ | |
2fa0b342 DHW |
2364 | |
2365 | void | |
8ddef552 DM |
2366 | lang_for_each_file (func) |
2367 | void (*func) PARAMS ((lang_input_statement_type *)); | |
2fa0b342 DHW |
2368 | { |
2369 | lang_input_statement_type *f; | |
075d7359 SC |
2370 | |
2371 | for (f = (lang_input_statement_type *) file_chain.head; | |
2372 | f != (lang_input_statement_type *) NULL; | |
2373 | f = (lang_input_statement_type *) f->next) | |
2374 | { | |
2375 | func (f); | |
2376 | } | |
2fa0b342 DHW |
2377 | } |
2378 | ||
9f629407 ILT |
2379 | #if 0 |
2380 | ||
2381 | /* Not used. */ | |
2fa0b342 DHW |
2382 | |
2383 | void | |
8ddef552 DM |
2384 | lang_for_each_input_section (func) |
2385 | void (*func) PARAMS ((bfd * ab, asection * as)); | |
2fa0b342 DHW |
2386 | { |
2387 | lang_input_statement_type *f; | |
075d7359 SC |
2388 | |
2389 | for (f = (lang_input_statement_type *) file_chain.head; | |
2390 | f != (lang_input_statement_type *) NULL; | |
2391 | f = (lang_input_statement_type *) f->next) | |
2fa0b342 DHW |
2392 | { |
2393 | asection *s; | |
075d7359 | 2394 | |
2fa0b342 | 2395 | for (s = f->the_bfd->sections; |
075d7359 SC |
2396 | s != (asection *) NULL; |
2397 | s = s->next) | |
2398 | { | |
2399 | func (f->the_bfd, s); | |
2400 | } | |
2fa0b342 DHW |
2401 | } |
2402 | } | |
2403 | ||
9f629407 | 2404 | #endif |
2fa0b342 | 2405 | |
075d7359 | 2406 | void |
8ddef552 DM |
2407 | ldlang_add_file (entry) |
2408 | lang_input_statement_type * entry; | |
2fa0b342 | 2409 | { |
5e6cd559 ILT |
2410 | bfd **pp; |
2411 | ||
075d7359 SC |
2412 | lang_statement_append (&file_chain, |
2413 | (lang_statement_union_type *) entry, | |
2414 | &entry->next); | |
c477527c ILT |
2415 | |
2416 | /* The BFD linker needs to have a list of all input BFDs involved in | |
2417 | a link. */ | |
2418 | ASSERT (entry->the_bfd->link_next == (bfd *) NULL); | |
2419 | ASSERT (entry->the_bfd != output_bfd); | |
5e6cd559 ILT |
2420 | for (pp = &link_info.input_bfds; |
2421 | *pp != (bfd *) NULL; | |
2422 | pp = &(*pp)->link_next) | |
2423 | ; | |
2424 | *pp = entry->the_bfd; | |
c477527c | 2425 | entry->the_bfd->usrdata = (PTR) entry; |
fc1dfb71 | 2426 | bfd_set_gp_size (entry->the_bfd, g_switch_value); |
2fa0b342 DHW |
2427 | } |
2428 | ||
2fa0b342 | 2429 | void |
2c6635a4 | 2430 | lang_add_output (name, from_script) |
8ddef552 | 2431 | CONST char *name; |
2c6635a4 | 2432 | int from_script; |
2fa0b342 | 2433 | { |
2c6635a4 ILT |
2434 | /* Make -o on command line override OUTPUT in script. */ |
2435 | if (had_output_filename == false || !from_script) | |
2436 | { | |
2437 | output_filename = name; | |
2438 | had_output_filename = true; | |
2439 | } | |
2fa0b342 DHW |
2440 | } |
2441 | ||
2442 | ||
2443 | static lang_output_section_statement_type *current_section; | |
2444 | ||
e20873a7 | 2445 | static int topower(x) |
9f629407 | 2446 | int x; |
e20873a7 JG |
2447 | { |
2448 | unsigned int i = 1; | |
2449 | int l; | |
2450 | if (x < 0) return -1; | |
2451 | for (l = 0; l < 32; l++) | |
2452 | { | |
2453 | if (i >= x) return l; | |
2454 | i<<=1; | |
2455 | } | |
29f33467 | 2456 | return 0; |
e20873a7 | 2457 | } |
2fa0b342 | 2458 | void |
8ddef552 DM |
2459 | lang_enter_output_section_statement (output_section_statement_name, |
2460 | address_exp, flags, block_value, | |
9f629407 | 2461 | align, subalign, ebase) |
fcf276c4 | 2462 | const char *output_section_statement_name; |
8ddef552 DM |
2463 | etree_type * address_exp; |
2464 | int flags; | |
2465 | bfd_vma block_value; | |
2466 | etree_type *align; | |
2467 | etree_type *subalign; | |
9f629407 | 2468 | etree_type *ebase; |
2fa0b342 DHW |
2469 | { |
2470 | lang_output_section_statement_type *os; | |
075d7359 SC |
2471 | |
2472 | current_section = | |
e20873a7 | 2473 | os = |
075d7359 SC |
2474 | lang_output_section_statement_lookup (output_section_statement_name); |
2475 | ||
2476 | ||
2fa0b342 | 2477 | |
2fa0b342 DHW |
2478 | /* Add this statement to tree */ |
2479 | /* add_statement(lang_output_section_statement_enum, | |
2480 | output_section_statement);*/ | |
2481 | /* Make next things chain into subchain of this */ | |
2482 | ||
2483 | if (os->addr_tree == | |
075d7359 | 2484 | (etree_type *) NULL) |
e20873a7 JG |
2485 | { |
2486 | os->addr_tree = | |
2487 | address_exp; | |
2488 | } | |
7bc4a0d7 | 2489 | os->flags = flags; |
ae475b39 SC |
2490 | if (flags & SEC_NEVER_LOAD) |
2491 | os->loadable = 0; | |
2492 | else | |
2493 | os->loadable = 1; | |
29f33467 | 2494 | os->block_value = block_value ? block_value : 1; |
075d7359 | 2495 | stat_ptr = &os->children; |
2fa0b342 | 2496 | |
e20873a7 JG |
2497 | os->subsection_alignment = topower( |
2498 | exp_get_value_int(subalign, -1, | |
2499 | "subsection alignment", | |
2500 | 0)); | |
2501 | os->section_alignment = topower( | |
2502 | exp_get_value_int(align, -1, | |
2503 | "section alignment", 0)); | |
9fce28ed | 2504 | |
9f629407 | 2505 | os->load_base = ebase; |
2fa0b342 DHW |
2506 | } |
2507 | ||
9fce28ed | 2508 | |
075d7359 | 2509 | void |
8ddef552 | 2510 | lang_final () |
2fa0b342 | 2511 | { |
2c6635a4 ILT |
2512 | lang_output_statement_type *new = |
2513 | new_stat (lang_output_statement, stat_ptr); | |
2fa0b342 | 2514 | |
2c6635a4 | 2515 | new->name = output_filename; |
075d7359 | 2516 | } |
2fa0b342 | 2517 | |
c611e285 SC |
2518 | /* Reset the current counters in the regions */ |
2519 | static void | |
8ddef552 | 2520 | reset_memory_regions () |
c611e285 | 2521 | { |
075d7359 SC |
2522 | lang_memory_region_type *p = lang_memory_region_list; |
2523 | ||
c611e285 | 2524 | for (p = lang_memory_region_list; |
075d7359 SC |
2525 | p != (lang_memory_region_type *) NULL; |
2526 | p = p->next) | |
2527 | { | |
8ddef552 | 2528 | p->old_length = (bfd_size_type) (p->current - p->origin); |
075d7359 SC |
2529 | p->current = p->origin; |
2530 | } | |
c611e285 | 2531 | } |
2fa0b342 | 2532 | |
2fa0b342 | 2533 | void |
8ddef552 | 2534 | lang_process () |
075d7359 | 2535 | { |
075d7359 | 2536 | lang_reasonable_defaults (); |
1418c83b SC |
2537 | current_target = default_target; |
2538 | ||
075d7359 | 2539 | lang_for_each_statement (ldlang_open_output); /* Open the output file */ |
1418c83b | 2540 | |
97fbbaca JL |
2541 | ldemul_create_output_section_statements (); |
2542 | ||
1418c83b | 2543 | /* Add to the hash table all undefineds on the command line */ |
075d7359 | 2544 | lang_place_undefineds (); |
1418c83b SC |
2545 | |
2546 | /* Create a bfd for each input file */ | |
2547 | current_target = default_target; | |
309c8153 | 2548 | open_input_bfds (statement_list.head, false); |
1418c83b | 2549 | |
c477527c ILT |
2550 | /* Build all sets based on the information gathered from the input |
2551 | files. */ | |
2552 | ldctor_build_sets (); | |
2553 | ||
4fdbafb2 ILT |
2554 | /* Size up the common data */ |
2555 | lang_common (); | |
2556 | ||
1418c83b | 2557 | /* Run through the contours of the script and attatch input sections |
075d7359 | 2558 | to the correct output sections |
1418c83b | 2559 | */ |
075d7359 SC |
2560 | map_input_to_output_sections (statement_list.head, (char *) NULL, |
2561 | (lang_output_section_statement_type *) NULL); | |
1418c83b | 2562 | |
81016051 | 2563 | |
1418c83b | 2564 | /* Find any sections not attatched explicitly and handle them */ |
075d7359 | 2565 | lang_place_orphans (); |
1418c83b | 2566 | |
075d7359 | 2567 | ldemul_before_allocation (); |
1418c83b | 2568 | |
c611e285 | 2569 | /* Now run around and relax if we can */ |
075d7359 | 2570 | if (command_line.relax) |
c611e285 | 2571 | { |
97fbbaca JL |
2572 | /* First time round is a trial run to get the 'worst case' |
2573 | addresses of the objects if there was no relaxing. */ | |
ae475b39 | 2574 | lang_size_sections (statement_list.head, |
193c5f93 | 2575 | abs_output_section, |
ae475b39 | 2576 | &(statement_list.head), 0, (bfd_vma) 0, false); |
c611e285 | 2577 | |
075d7359 | 2578 | |
97fbbaca | 2579 | reset_memory_regions (); |
075d7359 | 2580 | |
193c5f93 ILT |
2581 | /* Keep relaxing until bfd_relax_section gives up. */ |
2582 | do | |
2583 | { | |
2584 | relax_again = false; | |
ae475b39 | 2585 | |
193c5f93 ILT |
2586 | /* Do all the assignments with our current guesses as to |
2587 | section sizes. */ | |
2588 | lang_do_assignments (statement_list.head, | |
2589 | abs_output_section, | |
2590 | (fill_type) 0, (bfd_vma) 0); | |
ae475b39 | 2591 | |
193c5f93 ILT |
2592 | /* Perform another relax pass - this time we know where the |
2593 | globals are, so can make better guess. */ | |
2594 | lang_size_sections (statement_list.head, | |
2595 | abs_output_section, | |
2596 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
2597 | } | |
2598 | while (relax_again); | |
ae475b39 | 2599 | } |
ae475b39 SC |
2600 | else |
2601 | { | |
97fbbaca | 2602 | /* Size up the sections. */ |
ae475b39 SC |
2603 | lang_size_sections (statement_list.head, |
2604 | abs_output_section, | |
2605 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
075d7359 | 2606 | } |
c611e285 | 2607 | |
1418c83b | 2608 | /* See if anything special should be done now we know how big |
97fbbaca | 2609 | everything is. */ |
075d7359 | 2610 | ldemul_after_allocation (); |
1418c83b SC |
2611 | |
2612 | /* Do all the assignments, now that we know the final restingplaces | |
2613 | of all the symbols */ | |
2614 | ||
075d7359 SC |
2615 | lang_do_assignments (statement_list.head, |
2616 | abs_output_section, | |
c477527c | 2617 | (fill_type) 0, (bfd_vma) 0); |
ffc50032 | 2618 | |
1418c83b SC |
2619 | /* Make sure that we're not mixing architectures */ |
2620 | ||
075d7359 | 2621 | lang_check (); |
1418c83b | 2622 | |
1418c83b | 2623 | /* Final stuffs */ |
97fbbaca JL |
2624 | |
2625 | ldemul_finish (); | |
075d7359 | 2626 | lang_finish (); |
2fa0b342 DHW |
2627 | } |
2628 | ||
2fa0b342 | 2629 | /* EXPORTED TO YACC */ |
1418c83b | 2630 | |
2fa0b342 | 2631 | void |
8ddef552 DM |
2632 | lang_add_wild (section_name, filename) |
2633 | CONST char *CONST section_name; | |
2634 | CONST char *CONST filename; | |
1418c83b | 2635 | { |
075d7359 SC |
2636 | lang_wild_statement_type *new = new_stat (lang_wild_statement, |
2637 | stat_ptr); | |
1418c83b | 2638 | |
075d7359 SC |
2639 | if (section_name != (char *) NULL && strcmp (section_name, "COMMON") == 0) |
2640 | { | |
2641 | placed_commons = true; | |
2642 | } | |
2643 | if (filename != (char *) NULL) | |
2644 | { | |
2645 | lang_has_input_file = true; | |
2646 | } | |
1418c83b SC |
2647 | new->section_name = section_name; |
2648 | new->filename = filename; | |
075d7359 | 2649 | lang_list_init (&new->children); |
1418c83b | 2650 | } |
075d7359 | 2651 | |
1418c83b | 2652 | void |
8ddef552 DM |
2653 | lang_section_start (name, address) |
2654 | CONST char *name; | |
2655 | etree_type * address; | |
2fa0b342 | 2656 | { |
075d7359 SC |
2657 | lang_address_statement_type *ad = new_stat (lang_address_statement, stat_ptr); |
2658 | ||
2fa0b342 DHW |
2659 | ad->section_name = name; |
2660 | ad->address = address; | |
2661 | } | |
1418c83b | 2662 | |
60e8a534 ILT |
2663 | /* Set the start symbol to NAME. CMDLINE is nonzero if this is called |
2664 | because of a -e argument on the command line, or zero if this is | |
2665 | called by ENTRY in a linker script. Command line arguments take | |
2666 | precedence. */ | |
2667 | ||
075d7359 | 2668 | void |
60e8a534 | 2669 | lang_add_entry (name, cmdline) |
8ddef552 | 2670 | CONST char *name; |
60e8a534 | 2671 | int cmdline; |
2fa0b342 | 2672 | { |
60e8a534 ILT |
2673 | static int from_cmdline; |
2674 | ||
2675 | if (entry_symbol == NULL | |
2676 | || cmdline | |
2677 | || ! from_cmdline) | |
2678 | { | |
2679 | entry_symbol = name; | |
2680 | from_cmdline = cmdline; | |
2681 | } | |
2fa0b342 DHW |
2682 | } |
2683 | ||
2684 | void | |
8ddef552 DM |
2685 | lang_add_target (name) |
2686 | CONST char *name; | |
2fa0b342 | 2687 | { |
075d7359 SC |
2688 | lang_target_statement_type *new = new_stat (lang_target_statement, |
2689 | stat_ptr); | |
2690 | ||
2fa0b342 DHW |
2691 | new->target = name; |
2692 | ||
2693 | } | |
2fa0b342 | 2694 | |
2fa0b342 | 2695 | void |
8ddef552 DM |
2696 | lang_add_map (name) |
2697 | CONST char *name; | |
2fa0b342 | 2698 | { |
075d7359 SC |
2699 | while (*name) |
2700 | { | |
2701 | switch (*name) | |
2702 | { | |
2703 | case 'F': | |
2704 | map_option_f = true; | |
2705 | break; | |
2706 | } | |
2707 | name++; | |
2fa0b342 | 2708 | } |
2fa0b342 DHW |
2709 | } |
2710 | ||
075d7359 | 2711 | void |
8ddef552 DM |
2712 | lang_add_fill (exp) |
2713 | int exp; | |
2fa0b342 | 2714 | { |
075d7359 SC |
2715 | lang_fill_statement_type *new = new_stat (lang_fill_statement, |
2716 | stat_ptr); | |
2717 | ||
2fa0b342 DHW |
2718 | new->fill = exp; |
2719 | } | |
2720 | ||
075d7359 | 2721 | void |
8ddef552 DM |
2722 | lang_add_data (type, exp) |
2723 | int type; | |
2724 | union etree_union *exp; | |
2fa0b342 DHW |
2725 | { |
2726 | ||
075d7359 | 2727 | lang_data_statement_type *new = new_stat (lang_data_statement, |
2fa0b342 | 2728 | stat_ptr); |
075d7359 SC |
2729 | |
2730 | new->exp = exp; | |
2731 | new->type = type; | |
2fa0b342 DHW |
2732 | |
2733 | } | |
075d7359 | 2734 | |
4fdbafb2 ILT |
2735 | /* Create a new reloc statement. RELOC is the BFD relocation type to |
2736 | generate. HOWTO is the corresponding howto structure (we could | |
2737 | look this up, but the caller has already done so). SECTION is the | |
2738 | section to generate a reloc against, or NAME is the name of the | |
2739 | symbol to generate a reloc against. Exactly one of SECTION and | |
2740 | NAME must be NULL. ADDEND is an expression for the addend. */ | |
2741 | ||
2742 | void | |
2743 | lang_add_reloc (reloc, howto, section, name, addend) | |
2744 | bfd_reloc_code_real_type reloc; | |
2745 | const reloc_howto_type *howto; | |
2746 | asection *section; | |
2747 | const char *name; | |
2748 | union etree_union *addend; | |
2749 | { | |
2750 | lang_reloc_statement_type *p = new_stat (lang_reloc_statement, stat_ptr); | |
2751 | ||
2752 | p->reloc = reloc; | |
2753 | p->howto = howto; | |
2754 | p->section = section; | |
2755 | p->name = name; | |
2756 | p->addend_exp = addend; | |
2757 | ||
2758 | p->addend_value = 0; | |
2759 | p->output_section = NULL; | |
2760 | p->output_vma = 0; | |
2761 | } | |
2762 | ||
2fa0b342 | 2763 | void |
8ddef552 DM |
2764 | lang_add_assignment (exp) |
2765 | etree_type * exp; | |
2fa0b342 | 2766 | { |
075d7359 SC |
2767 | lang_assignment_statement_type *new = new_stat (lang_assignment_statement, |
2768 | stat_ptr); | |
2769 | ||
2fa0b342 DHW |
2770 | new->exp = exp; |
2771 | } | |
2772 | ||
2773 | void | |
8ddef552 DM |
2774 | lang_add_attribute (attribute) |
2775 | enum statement_enum attribute; | |
2fa0b342 | 2776 | { |
075d7359 | 2777 | new_statement (attribute, sizeof (lang_statement_union_type), stat_ptr); |
2fa0b342 DHW |
2778 | } |
2779 | ||
075d7359 | 2780 | void |
8ddef552 DM |
2781 | lang_startup (name) |
2782 | CONST char *name; | |
2fa0b342 | 2783 | { |
075d7359 SC |
2784 | if (startup_file != (char *) NULL) |
2785 | { | |
ddddcdf0 | 2786 | einfo ("%P%Fmultiple STARTUP files\n"); |
075d7359 | 2787 | } |
2fa0b342 DHW |
2788 | first_file->filename = name; |
2789 | first_file->local_sym_name = name; | |
193c5f93 | 2790 | first_file->real = true; |
2fa0b342 | 2791 | |
075d7359 | 2792 | startup_file = name; |
2fa0b342 | 2793 | } |
075d7359 SC |
2794 | |
2795 | void | |
8ddef552 DM |
2796 | lang_float (maybe) |
2797 | boolean maybe; | |
2fa0b342 DHW |
2798 | { |
2799 | lang_float_flag = maybe; | |
2800 | } | |
2801 | ||
075d7359 | 2802 | void |
8ddef552 DM |
2803 | lang_leave_output_section_statement (fill, memspec) |
2804 | bfd_vma fill; | |
2805 | CONST char *memspec; | |
2fa0b342 DHW |
2806 | { |
2807 | current_section->fill = fill; | |
075d7359 | 2808 | current_section->region = lang_memory_region_lookup (memspec); |
2fa0b342 DHW |
2809 | stat_ptr = &statement_list; |
2810 | } | |
075d7359 | 2811 | |
9f32f7c2 SC |
2812 | /* |
2813 | Create an absolute symbol with the given name with the value of the | |
2814 | address of first byte of the section named. | |
2fa0b342 | 2815 | |
9f32f7c2 SC |
2816 | If the symbol already exists, then do nothing. |
2817 | */ | |
8cb5eb31 | 2818 | void |
c477527c ILT |
2819 | lang_abs_symbol_at_beginning_of (secname, name) |
2820 | const char *secname; | |
2821 | const char *name; | |
075d7359 | 2822 | { |
c477527c ILT |
2823 | struct bfd_link_hash_entry *h; |
2824 | ||
2825 | h = bfd_link_hash_lookup (link_info.hash, name, true, true, true); | |
2826 | if (h == (struct bfd_link_hash_entry *) NULL) | |
2827 | einfo ("%P%F: bfd_link_hash_lookup failed: %E\n"); | |
2828 | ||
2829 | if (h->type == bfd_link_hash_new | |
2830 | || h->type == bfd_link_hash_undefined) | |
075d7359 | 2831 | { |
c477527c | 2832 | asection *sec; |
075d7359 | 2833 | |
c477527c ILT |
2834 | h->type = bfd_link_hash_defined; |
2835 | ||
2836 | sec = bfd_get_section_by_name (output_bfd, secname); | |
2837 | if (sec == (asection *) NULL) | |
2838 | h->u.def.value = 0; | |
075d7359 | 2839 | else |
c477527c ILT |
2840 | h->u.def.value = bfd_get_section_vma (output_bfd, sec); |
2841 | ||
686739e2 | 2842 | h->u.def.section = bfd_abs_section_ptr; |
9f32f7c2 | 2843 | } |
8cb5eb31 SC |
2844 | } |
2845 | ||
9f32f7c2 SC |
2846 | /* |
2847 | Create an absolute symbol with the given name with the value of the | |
2848 | address of the first byte after the end of the section named. | |
2849 | ||
2850 | If the symbol already exists, then do nothing. | |
2851 | */ | |
2fa0b342 | 2852 | void |
c477527c ILT |
2853 | lang_abs_symbol_at_end_of (secname, name) |
2854 | const char *secname; | |
2855 | const char *name; | |
075d7359 | 2856 | { |
c477527c ILT |
2857 | struct bfd_link_hash_entry *h; |
2858 | ||
2859 | h = bfd_link_hash_lookup (link_info.hash, name, true, true, true); | |
2860 | if (h == (struct bfd_link_hash_entry *) NULL) | |
2861 | einfo ("%P%F: bfd_link_hash_lookup failed: %E\n"); | |
2862 | ||
2863 | if (h->type == bfd_link_hash_new | |
2864 | || h->type == bfd_link_hash_undefined) | |
075d7359 | 2865 | { |
c477527c | 2866 | asection *sec; |
075d7359 | 2867 | |
c477527c | 2868 | h->type = bfd_link_hash_defined; |
075d7359 | 2869 | |
c477527c ILT |
2870 | sec = bfd_get_section_by_name (output_bfd, secname); |
2871 | if (sec == (asection *) NULL) | |
2872 | h->u.def.value = 0; | |
075d7359 | 2873 | else |
c477527c ILT |
2874 | h->u.def.value = (bfd_get_section_vma (output_bfd, sec) |
2875 | + bfd_section_size (output_bfd, sec)); | |
2876 | ||
686739e2 | 2877 | h->u.def.section = bfd_abs_section_ptr; |
9f32f7c2 | 2878 | } |
2fa0b342 DHW |
2879 | } |
2880 | ||
075d7359 | 2881 | void |
8ddef552 DM |
2882 | lang_statement_append (list, element, field) |
2883 | lang_statement_list_type * list; | |
2884 | lang_statement_union_type * element; | |
2885 | lang_statement_union_type ** field; | |
2fa0b342 DHW |
2886 | { |
2887 | *(list->tail) = element; | |
2888 | list->tail = field; | |
2889 | } | |
2890 | ||
173a0c3d | 2891 | /* Set the output format type. -oformat overrides scripts. */ |
097879bc | 2892 | void |
173a0c3d | 2893 | lang_add_output_format (format, from_script) |
8ddef552 | 2894 | CONST char *format; |
173a0c3d | 2895 | int from_script; |
097879bc | 2896 | { |
2c6635a4 | 2897 | if (output_target == NULL || !from_script) |
173a0c3d | 2898 | output_target = format; |
097879bc | 2899 | } |
309c8153 ILT |
2900 | |
2901 | /* Enter a group. This creates a new lang_group_statement, and sets | |
2902 | stat_ptr to build new statements within the group. */ | |
2903 | ||
2904 | void | |
2905 | lang_enter_group () | |
2906 | { | |
2907 | lang_group_statement_type *g; | |
2908 | ||
2909 | g = new_stat (lang_group_statement, stat_ptr); | |
2910 | lang_list_init (&g->children); | |
2911 | stat_ptr = &g->children; | |
2912 | } | |
2913 | ||
2914 | /* Leave a group. This just resets stat_ptr to start writing to the | |
2915 | regular list of statements again. Note that this will not work if | |
2916 | groups can occur inside anything else which can adjust stat_ptr, | |
2917 | but currently they can't. */ | |
2918 | ||
2919 | void | |
2920 | lang_leave_group () | |
2921 | { | |
2922 | stat_ptr = &statement_list; | |
2923 | } |