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e20873a7 | 1 | /* Linker command language support. |
307585f1 | 2 | Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc. |
075d7359 | 3 | |
2fa0b342 DHW |
4 | This file is part of GLD, the Gnu Linker. |
5 | ||
6 | GLD is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 1, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GLD is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GLD; see the file COPYING. If not, write to | |
943fbd5b | 18 | the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
2fa0b342 | 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 */ |
5af8e9d6 KR |
37 | static lang_statement_union_type *new_statement PARAMS ((enum statement_enum, |
38 | size_t, | |
39 | lang_statement_list_type*)); | |
40 | ||
2fa0b342 | 41 | |
d4c02e29 | 42 | /* LOCALS */ |
bfbdc80f | 43 | static struct obstack stat_obstack; |
075d7359 | 44 | |
0b2f8d2e | 45 | #define obstack_chunk_alloc xmalloc |
bfbdc80f | 46 | #define obstack_chunk_free free |
075d7359 | 47 | static CONST char *startup_file; |
d4c02e29 SC |
48 | static lang_statement_list_type input_file_chain; |
49 | static boolean placed_commons = false; | |
50 | static lang_output_section_statement_type *default_common_section; | |
51 | static boolean map_option_f; | |
52 | static bfd_vma print_dot; | |
53 | static lang_input_statement_type *first_file; | |
54 | static lang_statement_list_type lang_output_section_statement; | |
55 | static CONST char *current_target; | |
56 | static CONST char *output_target; | |
fcf276c4 | 57 | static int longest_section_name = 8; |
d4c02e29 | 58 | static lang_statement_list_type statement_list; |
061e65f8 | 59 | static struct lang_phdr *lang_phdr_list; |
ffc50032 | 60 | |
9f629407 ILT |
61 | static void print_size PARAMS ((size_t value)); |
62 | static void print_alignment PARAMS ((unsigned int value)); | |
63 | static void print_fill PARAMS ((fill_type value)); | |
64 | static void print_section PARAMS ((const char *name)); | |
65 | static void lang_for_each_statement_worker | |
66 | PARAMS ((void (*func) (lang_statement_union_type *), | |
67 | lang_statement_union_type *s)); | |
68 | static lang_input_statement_type *new_afile | |
69 | PARAMS ((const char *name, lang_input_file_enum_type file_type, | |
193c5f93 | 70 | const char *target, boolean add_to_list)); |
9f629407 ILT |
71 | static void print_flags PARAMS ((int *ignore_flags)); |
72 | static void init_os PARAMS ((lang_output_section_statement_type *s)); | |
23595ba5 | 73 | static void section_already_linked PARAMS ((bfd *, asection *, PTR)); |
9f629407 ILT |
74 | static void wild_section PARAMS ((lang_wild_statement_type *ptr, |
75 | const char *section, | |
76 | lang_input_statement_type *file, | |
77 | lang_output_section_statement_type *output)); | |
193c5f93 | 78 | static lang_input_statement_type *lookup_name PARAMS ((const char *name)); |
6a02a973 ILT |
79 | static void load_symbols PARAMS ((lang_input_statement_type *entry, |
80 | lang_statement_list_type *)); | |
9f629407 ILT |
81 | static void wild PARAMS ((lang_wild_statement_type *s, |
82 | const char *section, const char *file, | |
83 | const char *target, | |
84 | lang_output_section_statement_type *output)); | |
85 | static bfd *open_output PARAMS ((const char *name)); | |
86 | static void ldlang_open_output PARAMS ((lang_statement_union_type *statement)); | |
309c8153 ILT |
87 | static void open_input_bfds |
88 | PARAMS ((lang_statement_union_type *statement, boolean)); | |
9f629407 ILT |
89 | static void lang_reasonable_defaults PARAMS ((void)); |
90 | static void lang_place_undefineds PARAMS ((void)); | |
9f629407 ILT |
91 | static void map_input_to_output_sections |
92 | PARAMS ((lang_statement_union_type *s, | |
93 | const char *target, | |
94 | lang_output_section_statement_type *output_section_statement)); | |
95 | static void print_output_section_statement | |
96 | PARAMS ((lang_output_section_statement_type *output_section_statement)); | |
97 | static void print_assignment | |
98 | PARAMS ((lang_assignment_statement_type *assignment, | |
99 | lang_output_section_statement_type *output_section)); | |
100 | static void print_input_statement PARAMS ((lang_input_statement_type *statm)); | |
9f629407 ILT |
101 | static void print_input_section PARAMS ((lang_input_section_type *in)); |
102 | static void print_fill_statement PARAMS ((lang_fill_statement_type *fill)); | |
103 | static void print_data_statement PARAMS ((lang_data_statement_type *data)); | |
4fdbafb2 | 104 | static void print_reloc_statement PARAMS ((lang_reloc_statement_type *reloc)); |
9f629407 ILT |
105 | static void print_padding_statement PARAMS ((lang_padding_statement_type *s)); |
106 | static void print_wild_statement | |
107 | PARAMS ((lang_wild_statement_type *w, | |
108 | lang_output_section_statement_type *os)); | |
309c8153 ILT |
109 | static void print_group |
110 | PARAMS ((lang_group_statement_type *, lang_output_section_statement_type *)); | |
9f629407 ILT |
111 | static void print_statement PARAMS ((lang_statement_union_type *s, |
112 | lang_output_section_statement_type *os)); | |
708f7fbc ILT |
113 | static void print_statement_list PARAMS ((lang_statement_union_type *s, |
114 | lang_output_section_statement_type *os)); | |
9f629407 ILT |
115 | static void print_statements PARAMS ((void)); |
116 | static bfd_vma insert_pad PARAMS ((lang_statement_union_type **this_ptr, | |
117 | fill_type fill, unsigned int power, | |
118 | asection *output_section_statement, | |
119 | bfd_vma dot)); | |
120 | static bfd_vma size_input_section | |
121 | PARAMS ((lang_statement_union_type **this_ptr, | |
122 | lang_output_section_statement_type *output_section_statement, | |
c477527c | 123 | fill_type fill, bfd_vma dot, boolean relax)); |
9f629407 ILT |
124 | static void lang_finish PARAMS ((void)); |
125 | static void lang_check PARAMS ((void)); | |
126 | static void lang_common PARAMS ((void)); | |
c477527c | 127 | static boolean lang_one_common PARAMS ((struct bfd_link_hash_entry *, PTR)); |
9f629407 ILT |
128 | static void lang_place_orphans PARAMS ((void)); |
129 | static int topower PARAMS ((int)); | |
1d169acc | 130 | static void lang_set_startof PARAMS ((void)); |
9f629407 | 131 | static void reset_memory_regions PARAMS ((void)); |
061e65f8 | 132 | static void lang_record_phdrs PARAMS ((void)); |
9f629407 | 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 }; |
061e65f8 | 138 | const char *entry_symbol = NULL; |
f054ce20 | 139 | boolean entry_from_cmdline; |
d4c02e29 | 140 | boolean lang_has_input_file = false; |
d4c02e29 SC |
141 | boolean had_output_filename = false; |
142 | boolean lang_float_flag = false; | |
97fbbaca | 143 | boolean delete_output_file_on_failure = false; |
075d7359 | 144 | |
9fce28ed SC |
145 | etree_type *base; /* Relocation base - or null */ |
146 | ||
147 | ||
b897ed67 | 148 | #if defined(__STDC__) || defined(ALMOST_STDC) |
2fa0b342 DHW |
149 | #define cat(a,b) a##b |
150 | #else | |
151 | #define cat(a,b) a/**/b | |
152 | #endif | |
153 | ||
154 | #define new_stat(x,y) (cat(x,_type)*) new_statement(cat(x,_enum), sizeof(cat(x,_type)),y) | |
155 | ||
156 | #define outside_section_address(q) ( (q)->output_offset + (q)->output_section->vma) | |
157 | ||
158 | #define outside_symbol_address(q) ((q)->value + outside_section_address(q->section)) | |
159 | ||
bfbdc80f | 160 | PTR |
8ddef552 DM |
161 | stat_alloc (size) |
162 | size_t size; | |
bfbdc80f | 163 | { |
075d7359 | 164 | return obstack_alloc (&stat_obstack, size); |
bfbdc80f | 165 | } |
9f629407 | 166 | |
075d7359 | 167 | static void |
8ddef552 DM |
168 | print_size (value) |
169 | size_t value; | |
3f8d46e7 | 170 | { |
075d7359 | 171 | fprintf (config.map_file, "%5x", (unsigned) value); |
3f8d46e7 | 172 | } |
9f629407 | 173 | |
075d7359 | 174 | static void |
8ddef552 DM |
175 | print_alignment (value) |
176 | unsigned int value; | |
3f8d46e7 | 177 | { |
075d7359 | 178 | fprintf (config.map_file, "2**%1u", value); |
3f8d46e7 | 179 | } |
9f629407 | 180 | |
075d7359 | 181 | static void |
9f629407 ILT |
182 | print_fill (value) |
183 | fill_type value; | |
3f8d46e7 | 184 | { |
075d7359 | 185 | fprintf (config.map_file, "%04x", (unsigned) value); |
3f8d46e7 JG |
186 | } |
187 | ||
075d7359 | 188 | static void |
8ddef552 | 189 | print_section (name) |
9f629407 | 190 | CONST char *name; |
3f8d46e7 | 191 | { |
075d7359 | 192 | fprintf (config.map_file, "%*s", -longest_section_name, name); |
3f8d46e7 | 193 | } |
2fa0b342 | 194 | |
1418c83b SC |
195 | /*---------------------------------------------------------------------- |
196 | lang_for_each_statement walks the parse tree and calls the provided | |
197 | function for each node | |
198 | */ | |
199 | ||
075d7359 | 200 | static void |
8ddef552 | 201 | lang_for_each_statement_worker (func, s) |
c477527c | 202 | void (*func) PARAMS ((lang_statement_union_type *)); |
8ddef552 | 203 | lang_statement_union_type *s; |
1418c83b | 204 | { |
075d7359 SC |
205 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
206 | { | |
207 | func (s); | |
1418c83b | 208 | |
075d7359 SC |
209 | switch (s->header.type) |
210 | { | |
81016051 | 211 | case lang_constructors_statement_enum: |
075d7359 | 212 | lang_for_each_statement_worker (func, constructor_list.head); |
81016051 | 213 | break; |
1418c83b SC |
214 | case lang_output_section_statement_enum: |
215 | lang_for_each_statement_worker | |
075d7359 | 216 | (func, |
1418c83b SC |
217 | s->output_section_statement.children.head); |
218 | break; | |
219 | case lang_wild_statement_enum: | |
220 | lang_for_each_statement_worker | |
075d7359 | 221 | (func, |
1418c83b SC |
222 | s->wild_statement.children.head); |
223 | break; | |
309c8153 ILT |
224 | case lang_group_statement_enum: |
225 | lang_for_each_statement_worker (func, | |
226 | s->group_statement.children.head); | |
227 | break; | |
1418c83b | 228 | case lang_data_statement_enum: |
4fdbafb2 | 229 | case lang_reloc_statement_enum: |
1418c83b SC |
230 | case lang_object_symbols_statement_enum: |
231 | case lang_output_statement_enum: | |
232 | case lang_target_statement_enum: | |
233 | case lang_input_section_enum: | |
234 | case lang_input_statement_enum: | |
1418c83b SC |
235 | case lang_assignment_statement_enum: |
236 | case lang_padding_statement_enum: | |
237 | case lang_address_statement_enum: | |
238 | break; | |
239 | default: | |
075d7359 | 240 | FAIL (); |
1418c83b SC |
241 | break; |
242 | } | |
075d7359 | 243 | } |
1418c83b SC |
244 | } |
245 | ||
246 | void | |
8ddef552 | 247 | lang_for_each_statement (func) |
c477527c | 248 | void (*func) PARAMS ((lang_statement_union_type *)); |
1418c83b | 249 | { |
075d7359 SC |
250 | lang_for_each_statement_worker (func, |
251 | statement_list.head); | |
1418c83b | 252 | } |
075d7359 | 253 | |
1418c83b | 254 | /*----------------------------------------------------------------------*/ |
075d7359 | 255 | void |
8ddef552 DM |
256 | lang_list_init (list) |
257 | lang_statement_list_type *list; | |
2fa0b342 | 258 | { |
075d7359 SC |
259 | list->head = (lang_statement_union_type *) NULL; |
260 | list->tail = &list->head; | |
2fa0b342 DHW |
261 | } |
262 | ||
1418c83b | 263 | /*---------------------------------------------------------------------- |
075d7359 | 264 | |
1418c83b SC |
265 | build a new statement node for the parse tree |
266 | ||
267 | */ | |
2fa0b342 DHW |
268 | |
269 | static | |
075d7359 | 270 | lang_statement_union_type * |
8ddef552 DM |
271 | new_statement (type, size, list) |
272 | enum statement_enum type; | |
5af8e9d6 | 273 | size_t size; |
8ddef552 | 274 | lang_statement_list_type * list; |
2fa0b342 DHW |
275 | { |
276 | lang_statement_union_type *new = (lang_statement_union_type *) | |
075d7359 SC |
277 | stat_alloc (size); |
278 | ||
2fa0b342 | 279 | new->header.type = type; |
075d7359 SC |
280 | new->header.next = (lang_statement_union_type *) NULL; |
281 | lang_statement_append (list, new, &new->header.next); | |
2fa0b342 DHW |
282 | return new; |
283 | } | |
284 | ||
1418c83b SC |
285 | /* |
286 | Build a new input file node for the language. There are several ways | |
287 | in which we treat an input file, eg, we only look at symbols, or | |
288 | prefix it with a -l etc. | |
289 | ||
290 | We can be supplied with requests for input files more than once; | |
291 | they may, for example be split over serveral lines like foo.o(.text) | |
292 | foo.o(.data) etc, so when asked for a file we check that we havn't | |
293 | got it already so we don't duplicate the bfd. | |
294 | ||
295 | */ | |
2fa0b342 | 296 | static lang_input_statement_type * |
193c5f93 | 297 | new_afile (name, file_type, target, add_to_list) |
9f629407 ILT |
298 | CONST char *name; |
299 | lang_input_file_enum_type file_type; | |
300 | CONST char *target; | |
193c5f93 | 301 | boolean add_to_list; |
2fa0b342 | 302 | { |
193c5f93 | 303 | lang_input_statement_type *p; |
dc4726c2 | 304 | |
193c5f93 ILT |
305 | if (add_to_list) |
306 | p = new_stat (lang_input_statement, stat_ptr); | |
307 | else | |
308 | { | |
309 | p = ((lang_input_statement_type *) | |
310 | stat_alloc (sizeof (lang_input_statement_type))); | |
311 | p->header.next = NULL; | |
312 | } | |
075d7359 | 313 | |
2fa0b342 DHW |
314 | lang_has_input_file = true; |
315 | p->target = target; | |
ee4af9e8 | 316 | p->complained = false; |
075d7359 SC |
317 | switch (file_type) |
318 | { | |
319 | case lang_input_file_is_symbols_only_enum: | |
320 | p->filename = name; | |
321 | p->is_archive = false; | |
322 | p->real = true; | |
323 | p->local_sym_name = name; | |
324 | p->just_syms_flag = true; | |
325 | p->search_dirs_flag = false; | |
326 | break; | |
327 | case lang_input_file_is_fake_enum: | |
328 | p->filename = name; | |
329 | p->is_archive = false; | |
330 | p->real = false; | |
331 | p->local_sym_name = name; | |
332 | p->just_syms_flag = false; | |
333 | p->search_dirs_flag = false; | |
334 | break; | |
335 | case lang_input_file_is_l_enum: | |
336 | p->is_archive = true; | |
337 | p->filename = name; | |
338 | p->real = true; | |
ef76742f | 339 | p->local_sym_name = concat ("-l", name, (const char *) NULL); |
075d7359 SC |
340 | p->just_syms_flag = false; |
341 | p->search_dirs_flag = true; | |
342 | break; | |
075d7359 | 343 | case lang_input_file_is_marker_enum: |
193c5f93 ILT |
344 | p->filename = name; |
345 | p->is_archive = false; | |
346 | p->real = false; | |
347 | p->local_sym_name = name; | |
348 | p->just_syms_flag = false; | |
349 | p->search_dirs_flag = true; | |
350 | break; | |
351 | case lang_input_file_is_search_file_enum: | |
075d7359 SC |
352 | p->filename = name; |
353 | p->is_archive = false; | |
354 | p->real = true; | |
355 | p->local_sym_name = name; | |
356 | p->just_syms_flag = false; | |
357 | p->search_dirs_flag = true; | |
358 | break; | |
359 | case lang_input_file_is_file_enum: | |
360 | p->filename = name; | |
361 | p->is_archive = false; | |
362 | p->real = true; | |
363 | p->local_sym_name = name; | |
364 | p->just_syms_flag = false; | |
365 | p->search_dirs_flag = false; | |
366 | break; | |
367 | default: | |
368 | FAIL (); | |
369 | } | |
193c5f93 | 370 | p->the_bfd = (bfd *) NULL; |
075d7359 | 371 | p->asymbols = (asymbol **) NULL; |
075d7359 SC |
372 | p->next_real_file = (lang_statement_union_type *) NULL; |
373 | p->next = (lang_statement_union_type *) NULL; | |
2fa0b342 | 374 | p->symbol_count = 0; |
075d7359 | 375 | p->common_output_section = (asection *) NULL; |
1d169acc | 376 | p->dynamic = config.dynamic_link; |
3c8deccc | 377 | p->whole_archive = whole_archive; |
5e6cd559 | 378 | p->loaded = false; |
075d7359 SC |
379 | lang_statement_append (&input_file_chain, |
380 | (lang_statement_union_type *) p, | |
381 | &p->next_real_file); | |
2fa0b342 DHW |
382 | return p; |
383 | } | |
384 | ||
385 | lang_input_statement_type * | |
8ddef552 DM |
386 | lang_add_input_file (name, file_type, target) |
387 | CONST char *name; | |
388 | lang_input_file_enum_type file_type; | |
389 | CONST char *target; | |
2fa0b342 | 390 | { |
1418c83b | 391 | lang_has_input_file = true; |
193c5f93 | 392 | return new_afile (name, file_type, target, true); |
2fa0b342 DHW |
393 | } |
394 | ||
1418c83b | 395 | /* Build enough state so that the parser can build its tree */ |
2fa0b342 | 396 | void |
8ddef552 | 397 | lang_init () |
2fa0b342 | 398 | { |
075d7359 | 399 | obstack_begin (&stat_obstack, 1000); |
2fa0b342 | 400 | |
075d7359 | 401 | stat_ptr = &statement_list; |
bfbdc80f | 402 | |
075d7359 | 403 | lang_list_init (stat_ptr); |
2fa0b342 | 404 | |
075d7359 SC |
405 | lang_list_init (&input_file_chain); |
406 | lang_list_init (&lang_output_section_statement); | |
407 | lang_list_init (&file_chain); | |
408 | first_file = lang_add_input_file ((char *) NULL, | |
409 | lang_input_file_is_marker_enum, | |
410 | (char *) NULL); | |
411 | abs_output_section = lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME); | |
9d1fe8a4 | 412 | |
686739e2 | 413 | abs_output_section->bfd_section = bfd_abs_section_ptr; |
9d1fe8a4 | 414 | |
2fa0b342 DHW |
415 | } |
416 | ||
1418c83b | 417 | /*---------------------------------------------------------------------- |
075d7359 SC |
418 | A region is an area of memory declared with the |
419 | MEMORY { name:org=exp, len=exp ... } | |
420 | syntax. | |
2fa0b342 | 421 | |
1418c83b | 422 | We maintain a list of all the regions here |
2fa0b342 | 423 | |
1418c83b SC |
424 | If no regions are specified in the script, then the default is used |
425 | which is created when looked up to be the entire data space | |
2fa0b342 DHW |
426 | */ |
427 | ||
428 | static lang_memory_region_type *lang_memory_region_list; | |
429 | static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list; | |
430 | ||
431 | lang_memory_region_type * | |
8ddef552 DM |
432 | lang_memory_region_lookup (name) |
433 | CONST char *CONST name; | |
2fa0b342 DHW |
434 | { |
435 | ||
075d7359 SC |
436 | lang_memory_region_type *p = lang_memory_region_list; |
437 | ||
1418c83b | 438 | for (p = lang_memory_region_list; |
075d7359 SC |
439 | p != (lang_memory_region_type *) NULL; |
440 | p = p->next) | |
441 | { | |
442 | if (strcmp (p->name, name) == 0) | |
443 | { | |
444 | return p; | |
445 | } | |
2fa0b342 | 446 | } |
36ea6198 ILT |
447 | |
448 | #if 0 | |
449 | /* This code used to always use the first region in the list as the | |
450 | default region. I changed it to instead use a region | |
451 | encompassing all of memory as the default region. This permits | |
452 | NOLOAD sections to work reasonably without requiring a region. | |
453 | People should specify what region they mean, if they really want | |
454 | a region. */ | |
075d7359 | 455 | if (strcmp (name, "*default*") == 0) |
2fa0b342 | 456 | { |
075d7359 SC |
457 | if (lang_memory_region_list != (lang_memory_region_type *) NULL) |
458 | { | |
459 | return lang_memory_region_list; | |
460 | } | |
2fa0b342 | 461 | } |
36ea6198 ILT |
462 | #endif |
463 | ||
075d7359 SC |
464 | { |
465 | lang_memory_region_type *new = | |
1d169acc | 466 | (lang_memory_region_type *) stat_alloc (sizeof (lang_memory_region_type)); |
075d7359 SC |
467 | |
468 | new->name = buystring (name); | |
469 | new->next = (lang_memory_region_type *) NULL; | |
470 | ||
471 | *lang_memory_region_list_tail = new; | |
472 | lang_memory_region_list_tail = &new->next; | |
473 | new->origin = 0; | |
8ddef552 | 474 | new->length = ~(bfd_size_type)0; |
075d7359 SC |
475 | new->current = 0; |
476 | new->had_full_message = false; | |
477 | ||
478 | return new; | |
479 | } | |
2fa0b342 DHW |
480 | } |
481 | ||
482 | ||
2fa0b342 | 483 | lang_output_section_statement_type * |
8ddef552 DM |
484 | lang_output_section_find (name) |
485 | CONST char *CONST name; | |
2fa0b342 DHW |
486 | { |
487 | lang_statement_union_type *u; | |
488 | lang_output_section_statement_type *lookup; | |
489 | ||
490 | for (u = lang_output_section_statement.head; | |
075d7359 | 491 | u != (lang_statement_union_type *) NULL; |
2fa0b342 | 492 | u = lookup->next) |
075d7359 SC |
493 | { |
494 | lookup = &u->output_section_statement; | |
495 | if (strcmp (name, lookup->name) == 0) | |
496 | { | |
1418c83b SC |
497 | return lookup; |
498 | } | |
075d7359 SC |
499 | } |
500 | return (lang_output_section_statement_type *) NULL; | |
2fa0b342 DHW |
501 | } |
502 | ||
503 | lang_output_section_statement_type * | |
8ddef552 DM |
504 | lang_output_section_statement_lookup (name) |
505 | CONST char *CONST name; | |
2fa0b342 DHW |
506 | { |
507 | lang_output_section_statement_type *lookup; | |
2fa0b342 | 508 | |
075d7359 SC |
509 | lookup = lang_output_section_find (name); |
510 | if (lookup == (lang_output_section_statement_type *) NULL) | |
511 | { | |
2fa0b342 | 512 | |
075d7359 SC |
513 | lookup = (lang_output_section_statement_type *) |
514 | new_stat (lang_output_section_statement, stat_ptr); | |
515 | lookup->region = (lang_memory_region_type *) NULL; | |
516 | lookup->fill = 0; | |
517 | lookup->block_value = 1; | |
518 | lookup->name = name; | |
519 | ||
520 | lookup->next = (lang_statement_union_type *) NULL; | |
521 | lookup->bfd_section = (asection *) NULL; | |
522 | lookup->processed = false; | |
ae475b39 | 523 | lookup->loadable = 1; |
075d7359 SC |
524 | lookup->addr_tree = (etree_type *) NULL; |
525 | lang_list_init (&lookup->children); | |
526 | ||
1b8a42f3 ILT |
527 | lookup->memspec = (CONST char *) NULL; |
528 | lookup->flags = 0; | |
529 | lookup->subsection_alignment = -1; | |
530 | lookup->section_alignment = -1; | |
531 | lookup->load_base = (union etree_union *) NULL; | |
061e65f8 | 532 | lookup->phdrs = NULL; |
1b8a42f3 | 533 | |
075d7359 SC |
534 | lang_statement_append (&lang_output_section_statement, |
535 | (lang_statement_union_type *) lookup, | |
536 | &lookup->next); | |
537 | } | |
538 | return lookup; | |
539 | } | |
2fa0b342 | 540 | |
9d1fe8a4 | 541 | /*ARGSUSED*/ |
2fa0b342 | 542 | static void |
8ddef552 DM |
543 | print_flags (ignore_flags) |
544 | int *ignore_flags; | |
2fa0b342 | 545 | { |
075d7359 | 546 | fprintf (config.map_file, "("); |
2fa0b342 | 547 | #if 0 |
075d7359 SC |
548 | if (flags->flag_read) |
549 | fprintf (outfile, "R"); | |
550 | if (flags->flag_write) | |
551 | fprintf (outfile, "W"); | |
552 | if (flags->flag_executable) | |
553 | fprintf (outfile, "X"); | |
554 | if (flags->flag_loadable) | |
555 | fprintf (outfile, "L"); | |
2fa0b342 | 556 | #endif |
ae475b39 | 557 | fprintf (config.map_file, ")"); |
2fa0b342 DHW |
558 | } |
559 | ||
560 | void | |
8ddef552 | 561 | lang_map () |
2fa0b342 DHW |
562 | { |
563 | lang_memory_region_type *m; | |
075d7359 SC |
564 | |
565 | fprintf (config.map_file, "**MEMORY CONFIGURATION**\n\n"); | |
36ea6198 | 566 | #ifdef BFD64 |
075d7359 | 567 | fprintf (config.map_file, "name\t\torigin\t\tlength\t\tattributes\n"); |
48491e2e | 568 | #else |
ae475b39 SC |
569 | fprintf (config.map_file, |
570 | "name\t\torigin length r_size c_size is attributes\n"); | |
571 | ||
48491e2e | 572 | #endif |
2fa0b342 | 573 | for (m = lang_memory_region_list; |
075d7359 SC |
574 | m != (lang_memory_region_type *) NULL; |
575 | m = m->next) | |
2fa0b342 | 576 | { |
075d7359 SC |
577 | fprintf (config.map_file, "%-16s", m->name); |
578 | print_address (m->origin); | |
579 | print_space (); | |
8ddef552 | 580 | print_address ((bfd_vma)m->length); |
075d7359 | 581 | print_space (); |
8ddef552 | 582 | print_address ((bfd_vma)m->old_length); |
ae475b39 SC |
583 | print_space(); |
584 | print_address (m->current - m->origin); | |
585 | print_space(); | |
586 | if (m->old_length) | |
fcf276c4 ILT |
587 | fprintf (config.map_file, " %2d%% ", |
588 | (int) ((m->current - m->origin) * 100 / m->old_length)); | |
075d7359 SC |
589 | print_flags (&m->flags); |
590 | fprintf (config.map_file, "\n"); | |
2fa0b342 | 591 | } |
075d7359 SC |
592 | fprintf (config.map_file, "\n\n**LINK EDITOR MEMORY MAP**\n\n"); |
593 | fprintf (config.map_file, "output input virtual\n"); | |
594 | fprintf (config.map_file, "section section address tsize\n\n"); | |
2fa0b342 | 595 | |
075d7359 | 596 | print_statements (); |
2fa0b342 DHW |
597 | |
598 | } | |
599 | ||
600 | /* | |
601 | * | |
602 | */ | |
075d7359 | 603 | static void |
8ddef552 DM |
604 | init_os (s) |
605 | lang_output_section_statement_type * s; | |
2fa0b342 | 606 | { |
cf2e4f5f ILT |
607 | section_userdata_type *new; |
608 | ||
609 | if (strcmp (s->name, DISCARD_SECTION_NAME) == 0) | |
610 | einfo ("%P%F: Illegal use of `%s' section", DISCARD_SECTION_NAME); | |
611 | ||
612 | new = ((section_userdata_type *) | |
613 | stat_alloc (sizeof (section_userdata_type))); | |
075d7359 SC |
614 | |
615 | s->bfd_section = bfd_get_section_by_name (output_bfd, s->name); | |
616 | if (s->bfd_section == (asection *) NULL) | |
617 | s->bfd_section = bfd_make_section (output_bfd, s->name); | |
618 | if (s->bfd_section == (asection *) NULL) | |
619 | { | |
ddddcdf0 | 620 | einfo ("%P%F: output format %s cannot represent section called %s\n", |
075d7359 | 621 | output_bfd->xvec->name, s->name); |
9d1fe8a4 | 622 | } |
2fa0b342 | 623 | s->bfd_section->output_section = s->bfd_section; |
7bc4a0d7 | 624 | |
2fa0b342 DHW |
625 | /* We initialize an output sections output offset to minus its own */ |
626 | /* vma to allow us to output a section through itself */ | |
627 | s->bfd_section->output_offset = 0; | |
075d7359 | 628 | get_userdata (s->bfd_section) = (PTR) new; |
2fa0b342 | 629 | } |
23595ba5 ILT |
630 | |
631 | /* Sections marked with the SEC_LINK_ONCE flag should only be linked | |
632 | once into the output. This routine checks each sections, and | |
633 | arranges to discard it if a section of the same name has already | |
634 | been linked. This code assumes that all relevant sections have the | |
635 | SEC_LINK_ONCE flag set; that is, it does not depend solely upon the | |
636 | section name. This is called via bfd_map_over_sections. */ | |
637 | ||
638 | /*ARGSUSED*/ | |
639 | static void | |
640 | section_already_linked (abfd, sec, ignore) | |
641 | bfd *abfd; | |
642 | asection *sec; | |
643 | PTR ignore; | |
644 | { | |
645 | struct sec_link_once | |
646 | { | |
647 | struct sec_link_once *next; | |
648 | asection *sec; | |
649 | }; | |
650 | static struct sec_link_once *sec_link_once_list; | |
651 | flagword flags; | |
652 | const char *name; | |
653 | struct sec_link_once *l; | |
654 | ||
655 | flags = bfd_get_section_flags (abfd, sec); | |
656 | ||
657 | if ((flags & SEC_LINK_ONCE) == 0) | |
658 | return; | |
659 | ||
660 | name = bfd_get_section_name (abfd, sec); | |
661 | ||
662 | for (l = sec_link_once_list; l != NULL; l = l->next) | |
663 | { | |
664 | if (strcmp (name, bfd_get_section_name (l->sec->owner, l->sec)) == 0) | |
665 | { | |
666 | /* The section has already been linked. See if we should | |
667 | issue a warning. */ | |
668 | switch (flags & SEC_LINK_DUPLICATES) | |
669 | { | |
670 | default: | |
671 | abort (); | |
672 | ||
673 | case SEC_LINK_DUPLICATES_DISCARD: | |
674 | break; | |
675 | ||
676 | case SEC_LINK_DUPLICATES_ONE_ONLY: | |
677 | einfo ("%P: %B: warning: ignoring duplicate section `%s'", | |
678 | abfd, name); | |
679 | break; | |
680 | ||
681 | case SEC_LINK_DUPLICATES_SAME_CONTENTS: | |
682 | /* FIXME: We should really dig out the contents of both | |
683 | sections and memcmp them. The COFF/PE spec says that | |
684 | the Microsoft linker does not implement this | |
685 | correctly, so I'm not going to bother doing it | |
686 | either. */ | |
687 | /* Fall through. */ | |
688 | case SEC_LINK_DUPLICATES_SAME_SIZE: | |
689 | if (bfd_section_size (abfd, sec) | |
690 | != bfd_section_size (l->sec->owner, l->sec)) | |
691 | einfo ("%P: %B: warning: duplicate section `%s' has different size", | |
692 | abfd, sec); | |
693 | break; | |
694 | } | |
695 | ||
696 | /* Set the output_section field so that wild_doit does not | |
697 | create a lang_input_section structure for this section. */ | |
698 | sec->output_section = bfd_abs_section_ptr; | |
699 | ||
700 | return; | |
701 | } | |
702 | } | |
703 | ||
704 | /* This is the first section with this name. Record it. */ | |
705 | ||
706 | l = (struct sec_link_once *) xmalloc (sizeof *l); | |
707 | l->sec = sec; | |
708 | l->next = sec_link_once_list; | |
709 | sec_link_once_list = l; | |
710 | } | |
64664e69 ILT |
711 | \f |
712 | /* The wild routines. | |
2fa0b342 | 713 | |
64664e69 ILT |
714 | These expand statements like *(.text) and foo.o to a list of |
715 | explicit actions, like foo.o(.text), bar.o(.text) and | |
716 | foo.o(.text, .data). */ | |
1418c83b | 717 | |
64664e69 ILT |
718 | /* Add SECTION to the output section OUTPUT. Do this by creating a |
719 | lang_input_section statement which is placed at PTR. FILE is the | |
720 | input file which holds SECTION. */ | |
075d7359 | 721 | |
0b3499f6 | 722 | void |
8ddef552 | 723 | wild_doit (ptr, section, output, file) |
64664e69 ILT |
724 | lang_statement_list_type *ptr; |
725 | asection *section; | |
726 | lang_output_section_statement_type *output; | |
727 | lang_input_statement_type *file; | |
2fa0b342 | 728 | { |
6429ad7e | 729 | flagword flags; |
23595ba5 ILT |
730 | boolean discard; |
731 | ||
6429ad7e ILT |
732 | flags = bfd_get_section_flags (section->owner, section); |
733 | ||
23595ba5 ILT |
734 | discard = false; |
735 | ||
736 | /* If we are doing a final link, discard sections marked with | |
737 | SEC_EXCLUDE. */ | |
738 | if (! link_info.relocateable | |
6429ad7e | 739 | && (flags & SEC_EXCLUDE) != 0) |
23595ba5 ILT |
740 | discard = true; |
741 | ||
742 | /* Discard input sections which are assigned to a section named | |
743 | DISCARD_SECTION_NAME. */ | |
cf2e4f5f | 744 | if (strcmp (output->name, DISCARD_SECTION_NAME) == 0) |
23595ba5 ILT |
745 | discard = true; |
746 | ||
6429ad7e ILT |
747 | /* Discard debugging sections if we are stripping debugging |
748 | information. */ | |
749 | if ((link_info.strip == strip_debugger || link_info.strip == strip_all) | |
750 | && (flags & SEC_DEBUGGING) != 0) | |
751 | discard = true; | |
752 | ||
23595ba5 | 753 | if (discard) |
cf2e4f5f | 754 | { |
23595ba5 | 755 | if (section->output_section == NULL) |
cf2e4f5f ILT |
756 | { |
757 | /* This prevents future calls from assigning this section. */ | |
758 | section->output_section = bfd_abs_section_ptr; | |
759 | } | |
760 | return; | |
761 | } | |
762 | ||
23595ba5 | 763 | if (section->output_section == NULL) |
ae475b39 | 764 | { |
23595ba5 ILT |
765 | lang_input_section_type *new; |
766 | ||
767 | if (output->bfd_section == NULL) | |
768 | init_os (output); | |
769 | ||
64664e69 | 770 | /* Add a section reference to the list */ |
23595ba5 | 771 | new = new_stat (lang_input_section, ptr); |
64664e69 ILT |
772 | |
773 | new->section = section; | |
774 | new->ifile = file; | |
775 | section->output_section = output->bfd_section; | |
776 | ||
777 | /* We don't copy the SEC_NEVER_LOAD flag from an input section | |
778 | to an output section, because we want to be able to include a | |
779 | SEC_NEVER_LOAD section in the middle of an otherwise loaded | |
780 | section (I don't know why we want to do this, but we do). | |
781 | build_link_order in ldwrite.c handles this case by turning | |
782 | the embedded SEC_NEVER_LOAD section into a fill. */ | |
783 | section->output_section->flags |= | |
784 | section->flags & (flagword) (~ SEC_NEVER_LOAD); | |
785 | ||
786 | if (! output->loadable) | |
787 | { | |
788 | /* Turn off load flag */ | |
789 | output->bfd_section->flags &= ~SEC_LOAD; | |
790 | output->bfd_section->flags |= SEC_NEVER_LOAD; | |
791 | } | |
792 | ||
793 | if (section->alignment_power > output->bfd_section->alignment_power) | |
794 | output->bfd_section->alignment_power = section->alignment_power; | |
795 | ||
cf2e4f5f | 796 | /* If supplied an aligment, then force it. */ |
64664e69 ILT |
797 | if (output->section_alignment != -1) |
798 | output->bfd_section->alignment_power = output->section_alignment; | |
e20873a7 | 799 | } |
2fa0b342 DHW |
800 | } |
801 | ||
64664e69 ILT |
802 | /* Expand a wild statement for a particular FILE. SECTION may be |
803 | NULL, in which case it is a wild card. */ | |
804 | ||
075d7359 | 805 | static void |
8ddef552 | 806 | wild_section (ptr, section, file, output) |
309c8153 ILT |
807 | lang_wild_statement_type *ptr; |
808 | const char *section; | |
809 | lang_input_statement_type *file; | |
810 | lang_output_section_statement_type *output; | |
2fa0b342 | 811 | { |
075d7359 SC |
812 | if (file->just_syms_flag == false) |
813 | { | |
309c8153 ILT |
814 | register asection *s; |
815 | ||
816 | for (s = file->the_bfd->sections; s != NULL; s = s->next) | |
075d7359 | 817 | { |
309c8153 ILT |
818 | /* Attach all sections named SECTION. If SECTION is NULL, |
819 | then attach all sections. | |
820 | ||
821 | Previously, if SECTION was NULL, this code did not call | |
822 | wild_doit if the SEC_IS_COMMON flag was set for the | |
823 | section. I did not understand that, and I took it out. | |
824 | --ian@cygnus.com. */ | |
825 | ||
826 | if (section == NULL | |
827 | || strcmp (bfd_get_section_name (file->the_bfd, s), | |
828 | section) == 0) | |
f9d3d71a | 829 | wild_doit (&ptr->children, s, output, file); |
075d7359 | 830 | } |
2fa0b342 | 831 | } |
2fa0b342 DHW |
832 | } |
833 | ||
64664e69 ILT |
834 | /* This is passed a file name which must have been seen already and |
835 | added to the statement tree. We will see if it has been opened | |
836 | already and had its symbols read. If not then we'll read it. */ | |
2fa0b342 | 837 | |
193c5f93 ILT |
838 | static lang_input_statement_type * |
839 | lookup_name (name) | |
64664e69 | 840 | const char *name; |
2fa0b342 DHW |
841 | { |
842 | lang_input_statement_type *search; | |
075d7359 SC |
843 | |
844 | for (search = (lang_input_statement_type *) input_file_chain.head; | |
845 | search != (lang_input_statement_type *) NULL; | |
846 | search = (lang_input_statement_type *) search->next_real_file) | |
847 | { | |
848 | if (search->filename == (char *) NULL && name == (char *) NULL) | |
c477527c ILT |
849 | return search; |
850 | if (search->filename != (char *) NULL | |
851 | && name != (char *) NULL | |
852 | && strcmp (search->filename, name) == 0) | |
853 | break; | |
075d7359 | 854 | } |
2fa0b342 | 855 | |
c477527c | 856 | if (search == (lang_input_statement_type *) NULL) |
193c5f93 ILT |
857 | search = new_afile (name, lang_input_file_is_file_enum, default_target, |
858 | false); | |
c477527c | 859 | |
5e6cd559 ILT |
860 | /* If we have already added this file, or this file is not real |
861 | (FIXME: can that ever actually happen?) or the name is NULL | |
862 | (FIXME: can that ever actually happen?) don't add this file. */ | |
193c5f93 | 863 | if (search->loaded |
5e6cd559 ILT |
864 | || ! search->real |
865 | || search->filename == (const char *) NULL) | |
866 | return search; | |
867 | ||
6a02a973 | 868 | load_symbols (search, (lang_statement_list_type *) NULL); |
193c5f93 ILT |
869 | |
870 | return search; | |
871 | } | |
872 | ||
873 | /* Get the symbols for an input file. */ | |
c477527c | 874 | |
193c5f93 | 875 | static void |
6a02a973 | 876 | load_symbols (entry, place) |
193c5f93 | 877 | lang_input_statement_type *entry; |
6a02a973 | 878 | lang_statement_list_type *place; |
193c5f93 | 879 | { |
0b3499f6 ILT |
880 | char **matching; |
881 | ||
193c5f93 ILT |
882 | if (entry->loaded) |
883 | return; | |
884 | ||
885 | ldfile_open_file (entry); | |
886 | ||
0b3499f6 ILT |
887 | if (! bfd_check_format (entry->the_bfd, bfd_archive) |
888 | && ! bfd_check_format_matches (entry->the_bfd, bfd_object, &matching)) | |
889 | { | |
890 | bfd_error_type err; | |
6a02a973 | 891 | lang_statement_list_type *hold; |
0b3499f6 ILT |
892 | |
893 | err = bfd_get_error (); | |
894 | if (err == bfd_error_file_ambiguously_recognized) | |
895 | { | |
896 | char **p; | |
897 | ||
898 | einfo ("%B: file not recognized: %E\n", entry->the_bfd); | |
899 | einfo ("%B: matching formats:", entry->the_bfd); | |
900 | for (p = matching; *p != NULL; p++) | |
901 | einfo (" %s", *p); | |
902 | einfo ("%F\n"); | |
903 | } | |
6a02a973 ILT |
904 | else if (err != bfd_error_file_not_recognized |
905 | || place == NULL) | |
0b3499f6 ILT |
906 | einfo ("%F%B: file not recognized: %E\n", entry->the_bfd); |
907 | ||
0b3499f6 ILT |
908 | bfd_close (entry->the_bfd); |
909 | entry->the_bfd = NULL; | |
910 | ||
64664e69 ILT |
911 | /* See if the emulation has some special knowledge. */ |
912 | ||
913 | if (ldemul_unrecognized_file (entry)) | |
914 | return; | |
915 | ||
916 | /* Try to interpret the file as a linker script. */ | |
917 | ||
0b3499f6 ILT |
918 | ldfile_open_command_file (entry->filename); |
919 | ||
6a02a973 ILT |
920 | hold = stat_ptr; |
921 | stat_ptr = place; | |
922 | ||
0b3499f6 ILT |
923 | ldfile_assumed_script = true; |
924 | parser_input = input_script; | |
925 | yyparse (); | |
926 | ldfile_assumed_script = false; | |
927 | ||
6a02a973 ILT |
928 | stat_ptr = hold; |
929 | ||
0b3499f6 ILT |
930 | return; |
931 | } | |
932 | ||
933 | /* We don't call ldlang_add_file for an archive. Instead, the | |
934 | add_symbols entry point will call ldlang_add_file, via the | |
935 | add_archive_element callback, for each element of the archive | |
936 | which is used. */ | |
f400bbbb | 937 | switch (bfd_get_format (entry->the_bfd)) |
5e6cd559 | 938 | { |
f400bbbb ILT |
939 | default: |
940 | break; | |
941 | ||
942 | case bfd_object: | |
193c5f93 | 943 | ldlang_add_file (entry); |
5e6cd559 | 944 | if (trace_files || trace_file_tries) |
193c5f93 | 945 | info_msg ("%I\n", entry); |
f400bbbb ILT |
946 | break; |
947 | ||
948 | case bfd_archive: | |
3c8deccc | 949 | if (entry->whole_archive) |
f400bbbb ILT |
950 | { |
951 | bfd *member = bfd_openr_next_archived_file (entry->the_bfd, | |
952 | (bfd *) NULL); | |
953 | while (member != NULL) | |
954 | { | |
955 | if (! bfd_check_format (member, bfd_object)) | |
956 | einfo ("%F%B: object %B in archive is not object\n", | |
957 | entry->the_bfd, member); | |
958 | if (! ((*link_info.callbacks->add_archive_element) | |
959 | (&link_info, member, "-whole-archive"))) | |
960 | abort (); | |
961 | if (! bfd_link_add_symbols (member, &link_info)) | |
962 | einfo ("%F%B: could not read symbols: %E\n", member); | |
963 | member = bfd_openr_next_archived_file (entry->the_bfd, | |
964 | member); | |
965 | } | |
966 | ||
967 | entry->loaded = true; | |
968 | ||
969 | return; | |
970 | } | |
5e6cd559 | 971 | } |
1418c83b | 972 | |
0b3499f6 | 973 | if (! bfd_link_add_symbols (entry->the_bfd, &link_info)) |
193c5f93 | 974 | einfo ("%F%B: could not read symbols: %E\n", entry->the_bfd); |
5e6cd559 | 975 | |
193c5f93 | 976 | entry->loaded = true; |
2fa0b342 DHW |
977 | } |
978 | ||
64664e69 ILT |
979 | /* Handle a wild statement. SECTION or FILE or both may be NULL, |
980 | indicating that it is a wildcard. Separate lang_input_section | |
981 | statements are created for each part of the expansion; they are | |
982 | added after the wild statement S. OUTPUT is the output section. */ | |
983 | ||
2fa0b342 | 984 | static void |
8ddef552 | 985 | wild (s, section, file, target, output) |
64664e69 ILT |
986 | lang_wild_statement_type *s; |
987 | const char *section; | |
988 | const char *file; | |
989 | const char *target; | |
990 | lang_output_section_statement_type *output; | |
2fa0b342 DHW |
991 | { |
992 | lang_input_statement_type *f; | |
075d7359 SC |
993 | |
994 | if (file == (char *) NULL) | |
995 | { | |
996 | /* Perform the iteration over all files in the list */ | |
997 | for (f = (lang_input_statement_type *) file_chain.head; | |
998 | f != (lang_input_statement_type *) NULL; | |
999 | f = (lang_input_statement_type *) f->next) | |
1000 | { | |
1001 | wild_section (s, section, f, output); | |
1002 | } | |
1003 | } | |
1004 | else | |
1005 | { | |
1006 | /* Perform the iteration over a single file */ | |
3d0c8fa1 ILT |
1007 | f = lookup_name (file); |
1008 | if (f->the_bfd == NULL | |
1009 | || ! bfd_check_format (f->the_bfd, bfd_archive)) | |
1010 | wild_section (s, section, f, output); | |
1011 | else | |
1012 | { | |
1013 | bfd *member; | |
1014 | ||
1015 | /* This is an archive file. We must map each member of the | |
1016 | archive separately. */ | |
1017 | member = bfd_openr_next_archived_file (f->the_bfd, (bfd *) NULL); | |
1018 | while (member != NULL) | |
1019 | { | |
1020 | /* When lookup_name is called, it will call the | |
1021 | add_symbols entry point for the archive. For each | |
1022 | element of the archive which is included, BFD will | |
1023 | call ldlang_add_file, which will set the usrdata | |
1024 | field of the member to the lang_input_statement. */ | |
1025 | if (member->usrdata != NULL) | |
1026 | { | |
1027 | wild_section (s, section, | |
1028 | (lang_input_statement_type *) member->usrdata, | |
1029 | output); | |
1030 | } | |
1031 | ||
1032 | member = bfd_openr_next_archived_file (f->the_bfd, member); | |
1033 | } | |
1034 | } | |
075d7359 | 1035 | } |
64664e69 | 1036 | |
075d7359 SC |
1037 | if (section != (char *) NULL |
1038 | && strcmp (section, "COMMON") == 0 | |
64664e69 | 1039 | && default_common_section == NULL) |
075d7359 | 1040 | { |
64664e69 ILT |
1041 | /* Remember the section that common is going to in case we later |
1042 | get something which doesn't know where to put it. */ | |
075d7359 | 1043 | default_common_section = output; |
2fa0b342 | 1044 | } |
2fa0b342 DHW |
1045 | } |
1046 | ||
64664e69 | 1047 | /* Open the output file. */ |
97fbbaca | 1048 | |
075d7359 | 1049 | static bfd * |
8ddef552 | 1050 | open_output (name) |
64664e69 | 1051 | const char *name; |
2fa0b342 | 1052 | { |
097879bc | 1053 | bfd *output; |
097879bc | 1054 | |
075d7359 | 1055 | if (output_target == (char *) NULL) |
ae475b39 SC |
1056 | { |
1057 | if (current_target != (char *) NULL) | |
1058 | output_target = current_target; | |
1059 | else | |
1060 | output_target = default_target; | |
1061 | } | |
075d7359 | 1062 | output = bfd_openw (name, output_target); |
075d7359 SC |
1063 | |
1064 | if (output == (bfd *) NULL) | |
1065 | { | |
5bcb7f28 | 1066 | if (bfd_get_error () == bfd_error_invalid_target) |
ae475b39 | 1067 | { |
ddddcdf0 | 1068 | einfo ("%P%F: target %s not found\n", output_target); |
ae475b39 | 1069 | } |
ddddcdf0 | 1070 | einfo ("%P%F: cannot open output file %s: %E\n", name); |
075d7359 | 1071 | } |
30d1a390 | 1072 | |
97fbbaca JL |
1073 | delete_output_file_on_failure = 1; |
1074 | ||
30d1a390 | 1075 | /* output->flags |= D_PAGED;*/ |
075d7359 | 1076 | |
ddddcdf0 ILT |
1077 | if (! bfd_set_format (output, bfd_object)) |
1078 | einfo ("%P%F:%s: can not make object file: %E\n", name); | |
1079 | if (! bfd_set_arch_mach (output, | |
1080 | ldfile_output_architecture, | |
1081 | ldfile_output_machine)) | |
1082 | einfo ("%P%F:%s: can not set architecture: %E\n", name); | |
1083 | ||
c477527c ILT |
1084 | link_info.hash = bfd_link_hash_table_create (output); |
1085 | if (link_info.hash == (struct bfd_link_hash_table *) NULL) | |
1086 | einfo ("%P%F: can not create link hash table: %E\n"); | |
1087 | ||
1b8a42f3 | 1088 | bfd_set_gp_size (output, g_switch_value); |
2fa0b342 DHW |
1089 | return output; |
1090 | } | |
1418c83b SC |
1091 | |
1092 | ||
097879bc | 1093 | |
1418c83b | 1094 | |
2fa0b342 | 1095 | static void |
8ddef552 DM |
1096 | ldlang_open_output (statement) |
1097 | lang_statement_union_type * statement; | |
2fa0b342 | 1098 | { |
075d7359 SC |
1099 | switch (statement->header.type) |
1100 | { | |
c477527c ILT |
1101 | case lang_output_statement_enum: |
1102 | ASSERT (output_bfd == (bfd *) NULL); | |
075d7359 SC |
1103 | output_bfd = open_output (statement->output_statement.name); |
1104 | ldemul_set_output_arch (); | |
c477527c | 1105 | if (config.magic_demand_paged && !link_info.relocateable) |
075d7359 SC |
1106 | output_bfd->flags |= D_PAGED; |
1107 | else | |
1108 | output_bfd->flags &= ~D_PAGED; | |
1109 | if (config.text_read_only) | |
1110 | output_bfd->flags |= WP_TEXT; | |
1111 | else | |
1112 | output_bfd->flags &= ~WP_TEXT; | |
c96386c4 ILT |
1113 | if (config.traditional_format) |
1114 | output_bfd->flags |= BFD_TRADITIONAL_FORMAT; | |
1115 | else | |
1116 | output_bfd->flags &= ~BFD_TRADITIONAL_FORMAT; | |
075d7359 | 1117 | break; |
1418c83b | 1118 | |
075d7359 SC |
1119 | case lang_target_statement_enum: |
1120 | current_target = statement->target_statement.target; | |
1121 | break; | |
1122 | default: | |
1123 | break; | |
1124 | } | |
1418c83b | 1125 | } |
2fa0b342 | 1126 | |
309c8153 ILT |
1127 | /* Open all the input files. */ |
1128 | ||
1418c83b | 1129 | static void |
309c8153 ILT |
1130 | open_input_bfds (s, force) |
1131 | lang_statement_union_type *s; | |
1132 | boolean force; | |
1418c83b | 1133 | { |
309c8153 | 1134 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
075d7359 | 1135 | { |
309c8153 | 1136 | switch (s->header.type) |
075d7359 | 1137 | { |
309c8153 ILT |
1138 | case lang_constructors_statement_enum: |
1139 | open_input_bfds (constructor_list.head, force); | |
1140 | break; | |
1141 | case lang_output_section_statement_enum: | |
1142 | open_input_bfds (s->output_section_statement.children.head, force); | |
1143 | break; | |
1144 | case lang_wild_statement_enum: | |
1145 | /* Maybe we should load the file's symbols */ | |
1146 | if (s->wild_statement.filename) | |
1147 | (void) lookup_name (s->wild_statement.filename); | |
1148 | open_input_bfds (s->wild_statement.children.head, force); | |
1149 | break; | |
1150 | case lang_group_statement_enum: | |
1151 | { | |
1152 | struct bfd_link_hash_entry *undefs; | |
1153 | ||
1154 | /* We must continually search the entries in the group | |
1155 | until no new symbols are added to the list of undefined | |
1156 | symbols. */ | |
1157 | ||
1158 | do | |
1159 | { | |
1160 | undefs = link_info.hash->undefs_tail; | |
1161 | open_input_bfds (s->group_statement.children.head, true); | |
1162 | } | |
1163 | while (undefs != link_info.hash->undefs_tail); | |
1164 | } | |
1165 | break; | |
1166 | case lang_target_statement_enum: | |
1167 | current_target = s->target_statement.target; | |
1168 | break; | |
1169 | case lang_input_statement_enum: | |
1170 | if (s->input_statement.real == true) | |
1171 | { | |
6a02a973 ILT |
1172 | lang_statement_list_type add; |
1173 | ||
309c8153 ILT |
1174 | s->input_statement.target = current_target; |
1175 | ||
1176 | /* If we are being called from within a group, and this | |
1177 | is an archive which has already been searched, then | |
1178 | force it to be researched. */ | |
1179 | if (force | |
1180 | && s->input_statement.loaded | |
1181 | && bfd_check_format (s->input_statement.the_bfd, | |
1182 | bfd_archive)) | |
1183 | s->input_statement.loaded = false; | |
1184 | ||
6a02a973 ILT |
1185 | lang_list_init (&add); |
1186 | ||
1187 | load_symbols (&s->input_statement, &add); | |
1188 | ||
1189 | if (add.head != NULL) | |
1190 | { | |
1191 | *add.tail = s->next; | |
1192 | s->next = add.head; | |
1193 | } | |
309c8153 ILT |
1194 | } |
1195 | break; | |
1196 | default: | |
1197 | break; | |
075d7359 | 1198 | } |
075d7359 | 1199 | } |
2fa0b342 | 1200 | } |
075d7359 | 1201 | |
2fa0b342 DHW |
1202 | /* If there are [COMMONS] statements, put a wild one into the bss section */ |
1203 | ||
1204 | static void | |
075d7359 | 1205 | lang_reasonable_defaults () |
2fa0b342 | 1206 | { |
1418c83b | 1207 | #if 0 |
075d7359 SC |
1208 | lang_output_section_statement_lookup (".text"); |
1209 | lang_output_section_statement_lookup (".data"); | |
8cb5eb31 | 1210 | |
075d7359 SC |
1211 | default_common_section = |
1212 | lang_output_section_statement_lookup (".bss"); | |
8cb5eb31 | 1213 | |
1418c83b | 1214 | |
075d7359 SC |
1215 | if (placed_commons == false) |
1216 | { | |
1217 | lang_wild_statement_type *new = | |
1218 | new_stat (lang_wild_statement, | |
1219 | &default_common_section->children); | |
1220 | ||
1221 | new->section_name = "COMMON"; | |
1222 | new->filename = (char *) NULL; | |
1223 | lang_list_init (&new->children); | |
1224 | } | |
1418c83b | 1225 | #endif |
8cb5eb31 | 1226 | |
2fa0b342 DHW |
1227 | } |
1228 | ||
1418c83b SC |
1229 | /* |
1230 | Add the supplied name to the symbol table as an undefined reference. | |
1231 | Remove items from the chain as we open input bfds | |
1232 | */ | |
075d7359 SC |
1233 | typedef struct ldlang_undef_chain_list |
1234 | { | |
f177a611 | 1235 | struct ldlang_undef_chain_list *next; |
1418c83b | 1236 | char *name; |
075d7359 | 1237 | } ldlang_undef_chain_list_type; |
1418c83b SC |
1238 | |
1239 | static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head; | |
1240 | ||
1241 | void | |
8ddef552 DM |
1242 | ldlang_add_undef (name) |
1243 | CONST char *CONST name; | |
2fa0b342 | 1244 | { |
1418c83b | 1245 | ldlang_undef_chain_list_type *new = |
1d169acc ILT |
1246 | ((ldlang_undef_chain_list_type *) |
1247 | stat_alloc (sizeof (ldlang_undef_chain_list_type))); | |
1418c83b SC |
1248 | |
1249 | new->next = ldlang_undef_chain_list_head; | |
1250 | ldlang_undef_chain_list_head = new; | |
1251 | ||
075d7359 | 1252 | new->name = buystring (name); |
1418c83b | 1253 | } |
075d7359 | 1254 | |
1418c83b SC |
1255 | /* Run through the list of undefineds created above and place them |
1256 | into the linker hash table as undefined symbols belonging to the | |
1257 | script file. | |
1258 | */ | |
1259 | static void | |
8ddef552 | 1260 | lang_place_undefineds () |
1418c83b | 1261 | { |
c477527c | 1262 | ldlang_undef_chain_list_type *ptr; |
1418c83b | 1263 | |
c477527c ILT |
1264 | for (ptr = ldlang_undef_chain_list_head; |
1265 | ptr != (ldlang_undef_chain_list_type *) NULL; | |
1266 | ptr = ptr->next) | |
075d7359 | 1267 | { |
c477527c | 1268 | struct bfd_link_hash_entry *h; |
075d7359 | 1269 | |
c477527c ILT |
1270 | h = bfd_link_hash_lookup (link_info.hash, ptr->name, true, false, true); |
1271 | if (h == (struct bfd_link_hash_entry *) NULL) | |
1272 | einfo ("%P%F: bfd_link_hash_lookup failed: %E"); | |
1273 | if (h->type == bfd_link_hash_new) | |
1274 | { | |
1275 | h->type = bfd_link_hash_undefined; | |
1276 | h->u.undef.abfd = NULL; | |
1277 | bfd_link_add_undef (link_info.hash, h); | |
1278 | } | |
075d7359 SC |
1279 | } |
1280 | } | |
1418c83b | 1281 | |
2fa0b342 DHW |
1282 | /* Open input files and attatch to output sections */ |
1283 | static void | |
8ddef552 DM |
1284 | map_input_to_output_sections (s, target, output_section_statement) |
1285 | lang_statement_union_type * s; | |
1286 | CONST char *target; | |
1287 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 | 1288 | { |
075d7359 | 1289 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 1290 | { |
075d7359 | 1291 | switch (s->header.type) |
2fa0b342 | 1292 | { |
075d7359 SC |
1293 | |
1294 | ||
1295 | case lang_wild_statement_enum: | |
1296 | wild (&s->wild_statement, s->wild_statement.section_name, | |
1297 | s->wild_statement.filename, target, | |
1298 | output_section_statement); | |
1299 | ||
1300 | break; | |
1301 | case lang_constructors_statement_enum: | |
1302 | map_input_to_output_sections (constructor_list.head, | |
1303 | target, | |
1304 | output_section_statement); | |
1305 | break; | |
1306 | case lang_output_section_statement_enum: | |
1307 | map_input_to_output_sections (s->output_section_statement.children.head, | |
1308 | target, | |
1309 | &s->output_section_statement); | |
1310 | break; | |
1311 | case lang_output_statement_enum: | |
1312 | break; | |
1313 | case lang_target_statement_enum: | |
1314 | target = s->target_statement.target; | |
1315 | break; | |
309c8153 ILT |
1316 | case lang_group_statement_enum: |
1317 | map_input_to_output_sections (s->group_statement.children.head, | |
1318 | target, | |
1319 | output_section_statement); | |
1320 | break; | |
075d7359 SC |
1321 | case lang_fill_statement_enum: |
1322 | case lang_input_section_enum: | |
1323 | case lang_object_symbols_statement_enum: | |
1324 | case lang_data_statement_enum: | |
4fdbafb2 | 1325 | case lang_reloc_statement_enum: |
075d7359 SC |
1326 | case lang_assignment_statement_enum: |
1327 | case lang_padding_statement_enum: | |
f9d3d71a ILT |
1328 | case lang_input_statement_enum: |
1329 | if (output_section_statement != NULL | |
1330 | && output_section_statement->bfd_section == NULL) | |
1331 | init_os (output_section_statement); | |
075d7359 SC |
1332 | break; |
1333 | case lang_afile_asection_pair_statement_enum: | |
1334 | FAIL (); | |
1335 | break; | |
1336 | case lang_address_statement_enum: | |
1337 | /* Mark the specified section with the supplied address */ | |
1338 | { | |
1339 | lang_output_section_statement_type *os = | |
ef01a8a8 ILT |
1340 | lang_output_section_statement_lookup |
1341 | (s->address_statement.section_name); | |
075d7359 | 1342 | |
ef01a8a8 ILT |
1343 | if (os->bfd_section == NULL) |
1344 | init_os (os); | |
075d7359 | 1345 | os->addr_tree = s->address_statement.address; |
48491e2e | 1346 | } |
075d7359 | 1347 | break; |
2fa0b342 | 1348 | } |
2fa0b342 DHW |
1349 | } |
1350 | } | |
1351 | ||
075d7359 | 1352 | static void |
8ddef552 DM |
1353 | print_output_section_statement (output_section_statement) |
1354 | lang_output_section_statement_type * output_section_statement; | |
2fa0b342 DHW |
1355 | { |
1356 | asection *section = output_section_statement->bfd_section; | |
075d7359 SC |
1357 | |
1358 | print_nl (); | |
1359 | print_section (output_section_statement->name); | |
1360 | ||
e20873a7 | 1361 | |
075d7359 | 1362 | if (section) |
e20873a7 JG |
1363 | { |
1364 | print_dot = section->vma; | |
1365 | print_space (); | |
1366 | print_section (""); | |
1367 | print_space (); | |
1368 | print_address (section->vma); | |
1369 | print_space (); | |
1370 | print_size (section->_raw_size); | |
3deb20fb | 1371 | print_space (); |
e20873a7 JG |
1372 | print_size(section->_cooked_size); |
1373 | print_space (); | |
1374 | print_alignment (section->alignment_power); | |
1375 | print_space (); | |
2fa0b342 | 1376 | #if 0 |
e20873a7 JG |
1377 | fprintf (config.map_file, "%s flags", output_section_statement->region->name); |
1378 | print_flags (stdout, &output_section_statement->flags); | |
2fa0b342 | 1379 | #endif |
e20873a7 JG |
1380 | if (section->flags & SEC_LOAD) |
1381 | fprintf (config.map_file, "load "); | |
1382 | if (section->flags & SEC_ALLOC) | |
1383 | fprintf (config.map_file, "alloc "); | |
1384 | if (section->flags & SEC_RELOC) | |
1385 | fprintf (config.map_file, "reloc "); | |
1386 | if (section->flags & SEC_HAS_CONTENTS) | |
1387 | fprintf (config.map_file, "contents "); | |
2fa0b342 | 1388 | |
e20873a7 | 1389 | } |
075d7359 | 1390 | else |
e20873a7 | 1391 | { |
269773c1 | 1392 | fprintf (config.map_file, " (no attached output section)"); |
e20873a7 JG |
1393 | } |
1394 | print_nl (); | |
9fce28ed SC |
1395 | if (output_section_statement->load_base) |
1396 | { | |
f054ce20 | 1397 | bfd_vma b = exp_get_abs_int(output_section_statement->load_base, |
9fce28ed | 1398 | 0, "output base", lang_final_phase_enum); |
f054ce20 ILT |
1399 | fprintf (config.map_file, "Output address "); |
1400 | fprintf_vma (config.map_file, b); | |
1401 | fprintf (config.map_file, "\n"); | |
9fce28ed | 1402 | } |
e20873a7 | 1403 | if (output_section_statement->section_alignment >= 0 |
fa9dea80 | 1404 | || output_section_statement->subsection_alignment >= 0) |
e20873a7 | 1405 | { |
3deb20fb SC |
1406 | fprintf (config.map_file, "\t\t\t\t\tforced alignment "); |
1407 | if (output_section_statement->section_alignment >= 0) | |
075d7359 | 1408 | { |
3deb20fb | 1409 | fprintf (config.map_file, "section 2**%d ",output_section_statement->section_alignment ); |
075d7359 | 1410 | } |
e20873a7 JG |
1411 | if ( output_section_statement->subsection_alignment >= 0) |
1412 | { | |
3deb20fb | 1413 | fprintf (config.map_file, "subsection 2**%d ",output_section_statement->subsection_alignment ); |
e20873a7 JG |
1414 | } |
1415 | ||
1416 | print_nl (); | |
1417 | } | |
708f7fbc ILT |
1418 | print_statement_list (output_section_statement->children.head, |
1419 | output_section_statement); | |
2fa0b342 DHW |
1420 | |
1421 | } | |
1422 | ||
075d7359 | 1423 | static void |
8ddef552 DM |
1424 | print_assignment (assignment, output_section) |
1425 | lang_assignment_statement_type * assignment; | |
1426 | lang_output_section_statement_type * output_section; | |
2fa0b342 DHW |
1427 | { |
1428 | etree_value_type result; | |
075d7359 SC |
1429 | |
1430 | print_section (""); | |
1431 | print_space (); | |
1432 | print_section (""); | |
1433 | print_space (); | |
1434 | print_address (print_dot); | |
1435 | print_space (); | |
1436 | result = exp_fold_tree (assignment->exp->assign.src, | |
1437 | output_section, | |
1438 | lang_final_phase_enum, | |
1439 | print_dot, | |
1440 | &print_dot); | |
1441 | ||
1442 | if (result.valid) | |
1443 | { | |
1444 | print_address (result.value); | |
1445 | } | |
1446 | else | |
1447 | { | |
1448 | fprintf (config.map_file, "*undefined*"); | |
1449 | } | |
1450 | print_space (); | |
1451 | exp_print_tree (assignment->exp); | |
1452 | ||
1453 | fprintf (config.map_file, "\n"); | |
2fa0b342 DHW |
1454 | } |
1455 | ||
1456 | static void | |
8ddef552 DM |
1457 | print_input_statement (statm) |
1458 | lang_input_statement_type * statm; | |
2fa0b342 | 1459 | { |
075d7359 SC |
1460 | if (statm->filename != (char *) NULL) |
1461 | { | |
1462 | fprintf (config.map_file, "LOAD %s\n", statm->filename); | |
1463 | } | |
2fa0b342 DHW |
1464 | } |
1465 | ||
804c8601 SC |
1466 | /* Print all the defined symbols for the abfd provided by in the supplied |
1467 | section. | |
1468 | */ | |
1469 | ||
1470 | static boolean | |
1471 | print_one_symbol (hash_entry, ptr) | |
1472 | struct bfd_link_hash_entry *hash_entry; | |
1473 | PTR ptr; | |
2fa0b342 | 1474 | { |
804c8601 SC |
1475 | asection * sec = (asection *)ptr; |
1476 | ||
8ed88239 ILT |
1477 | if (hash_entry->type == bfd_link_hash_defined |
1478 | || hash_entry->type == bfd_link_hash_defweak) | |
804c8601 SC |
1479 | { |
1480 | if (sec == hash_entry->u.def.section) { | |
1481 | print_section (""); | |
1482 | fprintf (config.map_file, " "); | |
1483 | print_section (""); | |
1484 | fprintf (config.map_file, " "); | |
1485 | print_address (hash_entry->u.def.value + outside_section_address (sec)); | |
1486 | fprintf (config.map_file, " %s", hash_entry->root.string); | |
1487 | print_nl (); | |
1488 | } | |
1489 | } | |
09a5aa5e KR |
1490 | |
1491 | return true; | |
2fa0b342 | 1492 | } |
1418c83b | 1493 | |
075d7359 | 1494 | static void |
8ddef552 DM |
1495 | print_input_section (in) |
1496 | lang_input_section_type * in; | |
2fa0b342 DHW |
1497 | { |
1498 | asection *i = in->section; | |
f078dc7c | 1499 | bfd_size_type size = i->_cooked_size != 0 ? i->_cooked_size : i->_raw_size; |
1418c83b | 1500 | |
075d7359 SC |
1501 | if (size != 0) |
1502 | { | |
1503 | print_section (""); | |
1504 | fprintf (config.map_file, " "); | |
1505 | print_section (i->name); | |
1506 | fprintf (config.map_file, " "); | |
1507 | if (i->output_section) | |
1508 | { | |
1509 | print_address (i->output_section->vma + i->output_offset); | |
1510 | fprintf (config.map_file, " "); | |
ae475b39 SC |
1511 | print_size (i->_raw_size); |
1512 | fprintf (config.map_file, " "); | |
1513 | print_size(i->_cooked_size); | |
075d7359 SC |
1514 | fprintf (config.map_file, " "); |
1515 | print_alignment (i->alignment_power); | |
1516 | fprintf (config.map_file, " "); | |
1517 | if (in->ifile) | |
1518 | { | |
2fa0b342 | 1519 | |
075d7359 | 1520 | bfd *abfd = in->ifile->the_bfd; |
2fa0b342 | 1521 | |
075d7359 SC |
1522 | if (in->ifile->just_syms_flag == true) |
1523 | { | |
1524 | fprintf (config.map_file, "symbols only "); | |
1525 | } | |
2fa0b342 | 1526 | |
075d7359 SC |
1527 | fprintf (config.map_file, " %s ", abfd->xvec->name); |
1528 | if (abfd->my_archive != (bfd *) NULL) | |
1529 | { | |
1530 | fprintf (config.map_file, "[%s]%s", abfd->my_archive->filename, | |
1531 | abfd->filename); | |
1532 | } | |
1533 | else | |
1534 | { | |
1535 | fprintf (config.map_file, "%s", abfd->filename); | |
1536 | } | |
1537 | fprintf (config.map_file, "(overhead %d bytes)", (int) bfd_alloc_size (abfd)); | |
1538 | print_nl (); | |
2fa0b342 | 1539 | |
804c8601 SC |
1540 | /* Print all the symbols */ |
1541 | bfd_link_hash_traverse (link_info.hash, print_one_symbol, (PTR) i); | |
075d7359 SC |
1542 | } |
1543 | else | |
1544 | { | |
1545 | print_nl (); | |
1546 | } | |
1547 | ||
1548 | ||
1549 | print_dot = outside_section_address (i) + size; | |
1550 | } | |
1551 | else | |
1552 | { | |
1553 | fprintf (config.map_file, "No output section allocated\n"); | |
1554 | } | |
1555 | } | |
1556 | } | |
2fa0b342 DHW |
1557 | |
1558 | static void | |
8ddef552 DM |
1559 | print_fill_statement (fill) |
1560 | lang_fill_statement_type * fill; | |
075d7359 SC |
1561 | { |
1562 | fprintf (config.map_file, "FILL mask "); | |
1563 | print_fill (fill->fill); | |
1564 | } | |
1565 | ||
1566 | static void | |
8ddef552 DM |
1567 | print_data_statement (data) |
1568 | lang_data_statement_type * data; | |
2fa0b342 DHW |
1569 | { |
1570 | /* bfd_vma value; */ | |
075d7359 SC |
1571 | print_section (""); |
1572 | print_space (); | |
1573 | print_section (""); | |
1574 | print_space (); | |
65c552e3 | 1575 | /* ASSERT(print_dot == data->output_vma);*/ |
2fa0b342 | 1576 | |
708f7fbc ILT |
1577 | /* data->output_section may be NULL if called from gdb. */ |
1578 | if (data->output_section) | |
1579 | print_address (data->output_vma + data->output_section->vma); | |
1580 | else | |
1581 | print_address (data->output_vma); | |
075d7359 SC |
1582 | print_space (); |
1583 | print_address (data->value); | |
1584 | print_space (); | |
1585 | switch (data->type) | |
1586 | { | |
1587 | case BYTE: | |
1588 | fprintf (config.map_file, "BYTE "); | |
1589 | print_dot += BYTE_SIZE; | |
1590 | break; | |
1591 | case SHORT: | |
1592 | fprintf (config.map_file, "SHORT "); | |
1593 | print_dot += SHORT_SIZE; | |
1594 | break; | |
1595 | case LONG: | |
1596 | fprintf (config.map_file, "LONG "); | |
1597 | print_dot += LONG_SIZE; | |
1598 | break; | |
c477527c ILT |
1599 | case QUAD: |
1600 | fprintf (config.map_file, "QUAD "); | |
1601 | print_dot += QUAD_SIZE; | |
1602 | break; | |
075d7359 SC |
1603 | } |
1604 | ||
1605 | exp_print_tree (data->exp); | |
2fa0b342 | 1606 | |
075d7359 | 1607 | fprintf (config.map_file, "\n"); |
2fa0b342 DHW |
1608 | } |
1609 | ||
4fdbafb2 ILT |
1610 | /* Print a reloc statement. */ |
1611 | ||
1612 | static void | |
1613 | print_reloc_statement (reloc) | |
1614 | lang_reloc_statement_type *reloc; | |
1615 | { | |
1616 | print_section (""); | |
1617 | print_space (); | |
1618 | print_section (""); | |
1619 | print_space (); | |
1620 | ||
1621 | /* ASSERT(print_dot == data->output_vma);*/ | |
1622 | ||
708f7fbc ILT |
1623 | /* reloc->output_section may be NULL if called from gdb. */ |
1624 | if (reloc->output_section) | |
1625 | print_address (reloc->output_vma + reloc->output_section->vma); | |
1626 | else | |
1627 | print_address (reloc->output_vma); | |
4fdbafb2 ILT |
1628 | print_space (); |
1629 | print_address (reloc->addend_value); | |
1630 | print_space (); | |
1631 | ||
1632 | fprintf (config.map_file, "RELOC %s ", reloc->howto->name); | |
1633 | ||
1634 | print_dot += bfd_get_reloc_size (reloc->howto); | |
1635 | ||
1636 | exp_print_tree (reloc->addend_exp); | |
1637 | ||
1638 | fprintf (config.map_file, "\n"); | |
1639 | } | |
2fa0b342 DHW |
1640 | |
1641 | static void | |
8ddef552 DM |
1642 | print_padding_statement (s) |
1643 | lang_padding_statement_type * s; | |
075d7359 SC |
1644 | { |
1645 | print_section (""); | |
1646 | print_space (); | |
1647 | print_section ("*fill*"); | |
1648 | print_space (); | |
708f7fbc ILT |
1649 | /* s->output_section may be NULL if called from gdb. */ |
1650 | if (s->output_section) | |
1651 | print_address (s->output_offset + s->output_section->vma); | |
1652 | else | |
1653 | print_address (s->output_offset); | |
075d7359 SC |
1654 | print_space (); |
1655 | print_size (s->size); | |
1656 | print_space (); | |
1657 | print_fill (s->fill); | |
1658 | print_nl (); | |
ffc50032 | 1659 | |
708f7fbc ILT |
1660 | print_dot = s->output_offset + s->size; |
1661 | /* s->output_section may be NULL if called from gdb. */ | |
1662 | if (s->output_section) | |
1663 | print_dot += s->output_section->vma; | |
2fa0b342 DHW |
1664 | } |
1665 | ||
075d7359 | 1666 | static void |
8ddef552 DM |
1667 | print_wild_statement (w, os) |
1668 | lang_wild_statement_type * w; | |
1669 | lang_output_section_statement_type * os; | |
2fa0b342 | 1670 | { |
075d7359 SC |
1671 | fprintf (config.map_file, " from "); |
1672 | if (w->filename != (char *) NULL) | |
1673 | { | |
1674 | fprintf (config.map_file, "%s", w->filename); | |
1675 | } | |
1676 | else | |
1677 | { | |
1678 | fprintf (config.map_file, "*"); | |
1679 | } | |
1680 | if (w->section_name != (char *) NULL) | |
1681 | { | |
1682 | fprintf (config.map_file, "(%s)", w->section_name); | |
1683 | } | |
1684 | else | |
1685 | { | |
1686 | fprintf (config.map_file, "(*)"); | |
1687 | } | |
1688 | print_nl (); | |
708f7fbc | 1689 | print_statement_list (w->children.head, os); |
2fa0b342 DHW |
1690 | |
1691 | } | |
309c8153 ILT |
1692 | |
1693 | /* Print a group statement. */ | |
1694 | ||
1695 | static void | |
1696 | print_group (s, os) | |
1697 | lang_group_statement_type *s; | |
1698 | lang_output_section_statement_type *os; | |
1699 | { | |
1700 | fprintf (config.map_file, "START GROUP\n"); | |
708f7fbc | 1701 | print_statement_list (s->children.head, os); |
309c8153 ILT |
1702 | fprintf (config.map_file, "END GROUP\n"); |
1703 | } | |
1704 | ||
708f7fbc ILT |
1705 | /* Print the list of statements in S. |
1706 | This can be called for any statement type. */ | |
1707 | ||
2fa0b342 | 1708 | static void |
708f7fbc | 1709 | print_statement_list (s, os) |
8ddef552 DM |
1710 | lang_statement_union_type * s; |
1711 | lang_output_section_statement_type * os; | |
2fa0b342 | 1712 | { |
075d7359 | 1713 | while (s) |
c611e285 | 1714 | { |
708f7fbc | 1715 | print_statement (s, os); |
075d7359 | 1716 | s = s->next; |
2fa0b342 | 1717 | } |
2fa0b342 DHW |
1718 | } |
1719 | ||
708f7fbc ILT |
1720 | /* Print the first statement in statement list S. |
1721 | This can be called for any statement type. */ | |
1722 | ||
1723 | static void | |
1724 | print_statement (s, os) | |
1725 | lang_statement_union_type * s; | |
1726 | lang_output_section_statement_type * os; | |
1727 | { | |
1728 | switch (s->header.type) | |
1729 | { | |
1730 | case lang_constructors_statement_enum: | |
1731 | fprintf (config.map_file, "constructors:\n"); | |
1732 | print_statement_list (constructor_list.head, os); | |
1733 | break; | |
1734 | case lang_wild_statement_enum: | |
1735 | print_wild_statement (&s->wild_statement, os); | |
1736 | break; | |
1737 | default: | |
1738 | fprintf (config.map_file, "Fail with %d\n", s->header.type); | |
1739 | FAIL (); | |
1740 | break; | |
1741 | case lang_address_statement_enum: | |
1742 | fprintf (config.map_file, "address\n"); | |
1743 | break; | |
1744 | case lang_object_symbols_statement_enum: | |
1745 | fprintf (config.map_file, "object symbols\n"); | |
1746 | break; | |
1747 | case lang_fill_statement_enum: | |
1748 | print_fill_statement (&s->fill_statement); | |
1749 | break; | |
1750 | case lang_data_statement_enum: | |
1751 | print_data_statement (&s->data_statement); | |
1752 | break; | |
1753 | case lang_reloc_statement_enum: | |
1754 | print_reloc_statement (&s->reloc_statement); | |
1755 | break; | |
1756 | case lang_input_section_enum: | |
1757 | print_input_section (&s->input_section); | |
1758 | break; | |
1759 | case lang_padding_statement_enum: | |
1760 | print_padding_statement (&s->padding_statement); | |
1761 | break; | |
1762 | case lang_output_section_statement_enum: | |
1763 | print_output_section_statement (&s->output_section_statement); | |
1764 | break; | |
1765 | case lang_assignment_statement_enum: | |
1766 | print_assignment (&s->assignment_statement, | |
1767 | os); | |
1768 | break; | |
1769 | case lang_target_statement_enum: | |
1770 | fprintf (config.map_file, "TARGET(%s)\n", s->target_statement.target); | |
1771 | break; | |
1772 | case lang_output_statement_enum: | |
1773 | fprintf (config.map_file, "OUTPUT(%s %s)\n", | |
1774 | s->output_statement.name, | |
1775 | output_target ? output_target : ""); | |
1776 | break; | |
1777 | case lang_input_statement_enum: | |
1778 | print_input_statement (&s->input_statement); | |
1779 | break; | |
1780 | case lang_group_statement_enum: | |
1781 | print_group (&s->group_statement, os); | |
1782 | break; | |
1783 | case lang_afile_asection_pair_statement_enum: | |
1784 | FAIL (); | |
1785 | break; | |
1786 | } | |
1787 | } | |
1788 | ||
2fa0b342 DHW |
1789 | |
1790 | static void | |
8ddef552 | 1791 | print_statements () |
2fa0b342 | 1792 | { |
708f7fbc | 1793 | print_statement_list (statement_list.head, |
075d7359 SC |
1794 | abs_output_section); |
1795 | ||
2fa0b342 DHW |
1796 | } |
1797 | ||
708f7fbc ILT |
1798 | /* Print the first N statements in statement list S to STDERR. |
1799 | If N == 0, nothing is printed. | |
1800 | If N < 0, the entire list is printed. | |
1801 | Intended to be called from GDB. */ | |
1802 | ||
1803 | void | |
1804 | dprint_statement (s, n) | |
1805 | lang_statement_union_type * s; | |
1806 | int n; | |
1807 | { | |
1808 | FILE *map_save = config.map_file; | |
1809 | ||
1810 | config.map_file = stderr; | |
1811 | ||
1812 | if (n < 0) | |
1813 | print_statement_list (s, abs_output_section); | |
1814 | else | |
1815 | { | |
1816 | while (--n >= 0) | |
1817 | { | |
1818 | print_statement (s, abs_output_section); | |
1819 | s = s->next; | |
1820 | } | |
1821 | } | |
1822 | ||
1823 | config.map_file = map_save; | |
1824 | } | |
1825 | ||
2fa0b342 | 1826 | static bfd_vma |
9f629407 ILT |
1827 | insert_pad (this_ptr, fill, power, output_section_statement, dot) |
1828 | lang_statement_union_type ** this_ptr; | |
1829 | fill_type fill; | |
1830 | unsigned int power; | |
1831 | asection * output_section_statement; | |
1832 | bfd_vma dot; | |
075d7359 SC |
1833 | { |
1834 | /* Align this section first to the | |
2fa0b342 DHW |
1835 | input sections requirement, then |
1836 | to the output section's requirement. | |
075d7359 | 1837 | If this alignment is > than any seen before, |
2fa0b342 DHW |
1838 | then record it too. Perform the alignment by |
1839 | inserting a magic 'padding' statement. | |
1840 | */ | |
1841 | ||
075d7359 | 1842 | unsigned int alignment_needed = align_power (dot, power) - dot; |
2fa0b342 | 1843 | |
075d7359 | 1844 | if (alignment_needed != 0) |
2fa0b342 | 1845 | { |
075d7359 | 1846 | lang_statement_union_type *new = |
1d169acc ILT |
1847 | ((lang_statement_union_type *) |
1848 | stat_alloc (sizeof (lang_padding_statement_type))); | |
075d7359 | 1849 | |
2fa0b342 DHW |
1850 | /* Link into existing chain */ |
1851 | new->header.next = *this_ptr; | |
1852 | *this_ptr = new; | |
1853 | new->header.type = lang_padding_statement_enum; | |
1854 | new->padding_statement.output_section = output_section_statement; | |
1855 | new->padding_statement.output_offset = | |
1856 | dot - output_section_statement->vma; | |
1857 | new->padding_statement.fill = fill; | |
1858 | new->padding_statement.size = alignment_needed; | |
1859 | } | |
1860 | ||
1861 | ||
1862 | /* Remember the most restrictive alignment */ | |
075d7359 SC |
1863 | if (power > output_section_statement->alignment_power) |
1864 | { | |
1865 | output_section_statement->alignment_power = power; | |
1866 | } | |
c611e285 | 1867 | output_section_statement->_raw_size += alignment_needed; |
2fa0b342 DHW |
1868 | return alignment_needed + dot; |
1869 | ||
1870 | } | |
1871 | ||
1418c83b | 1872 | /* Work out how much this section will move the dot point */ |
075d7359 | 1873 | static bfd_vma |
9f629407 ILT |
1874 | size_input_section (this_ptr, output_section_statement, fill, dot, relax) |
1875 | lang_statement_union_type ** this_ptr; | |
1876 | lang_output_section_statement_type * output_section_statement; | |
c477527c | 1877 | fill_type fill; |
9f629407 ILT |
1878 | bfd_vma dot; |
1879 | boolean relax; | |
2fa0b342 DHW |
1880 | { |
1881 | lang_input_section_type *is = &((*this_ptr)->input_section); | |
1882 | asection *i = is->section; | |
2fa0b342 | 1883 | |
075d7359 SC |
1884 | if (is->ifile->just_syms_flag == false) |
1885 | { | |
e20873a7 JG |
1886 | if (output_section_statement->subsection_alignment != -1) |
1887 | i->alignment_power = | |
1888 | output_section_statement->subsection_alignment; | |
1889 | ||
075d7359 SC |
1890 | dot = insert_pad (this_ptr, fill, i->alignment_power, |
1891 | output_section_statement->bfd_section, dot); | |
1892 | ||
075d7359 | 1893 | /* Remember where in the output section this input section goes */ |
ac004870 | 1894 | |
075d7359 SC |
1895 | i->output_offset = dot - output_section_statement->bfd_section->vma; |
1896 | ||
ae475b39 SC |
1897 | /* Mark how big the output section must be to contain this now |
1898 | */ | |
f078dc7c ILT |
1899 | if (i->_cooked_size != 0) |
1900 | dot += i->_cooked_size; | |
ae475b39 | 1901 | else |
f078dc7c | 1902 | dot += i->_raw_size; |
ae475b39 | 1903 | output_section_statement->bfd_section->_raw_size = dot - output_section_statement->bfd_section->vma; |
075d7359 | 1904 | } |
ac004870 | 1905 | else |
075d7359 SC |
1906 | { |
1907 | i->output_offset = i->vma - output_section_statement->bfd_section->vma; | |
1908 | } | |
2fa0b342 | 1909 | |
075d7359 | 1910 | return dot; |
2fa0b342 DHW |
1911 | } |
1912 | ||
193c5f93 ILT |
1913 | /* This variable indicates whether bfd_relax_section should be called |
1914 | again. */ | |
1915 | ||
1916 | static boolean relax_again; | |
1917 | ||
1918 | /* Set the sizes for all the output sections. */ | |
c611e285 | 1919 | |
a62494c4 | 1920 | bfd_vma |
9f629407 ILT |
1921 | lang_size_sections (s, output_section_statement, prev, fill, dot, relax) |
1922 | lang_statement_union_type * s; | |
1923 | lang_output_section_statement_type * output_section_statement; | |
1924 | lang_statement_union_type ** prev; | |
c477527c | 1925 | fill_type fill; |
9f629407 ILT |
1926 | bfd_vma dot; |
1927 | boolean relax; | |
c611e285 SC |
1928 | { |
1929 | /* Size up the sections from their constituent parts */ | |
075d7359 | 1930 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
ae475b39 SC |
1931 | { |
1932 | switch (s->header.type) | |
075d7359 | 1933 | { |
c611e285 | 1934 | |
ae475b39 SC |
1935 | case lang_output_section_statement_enum: |
1936 | { | |
1937 | bfd_vma after; | |
1938 | lang_output_section_statement_type *os = &s->output_section_statement; | |
1939 | ||
f9d3d71a ILT |
1940 | if (os->bfd_section == NULL) |
1941 | { | |
1942 | /* This section was never actually created. */ | |
1943 | break; | |
1944 | } | |
1945 | ||
27f7237e ILT |
1946 | /* If this is a COFF shared library section, use the size and |
1947 | address from the input section. FIXME: This is COFF | |
1948 | specific; it would be cleaner if there were some other way | |
1949 | to do this, but nothing simple comes to mind. */ | |
1950 | if ((os->bfd_section->flags & SEC_COFF_SHARED_LIBRARY) != 0) | |
1951 | { | |
1952 | asection *input; | |
1953 | ||
1954 | if (os->children.head == NULL | |
1955 | || os->children.head->next != NULL | |
1956 | || os->children.head->header.type != lang_input_section_enum) | |
1957 | einfo ("%P%X: Internal error on COFF shared library section %s", | |
1958 | os->name); | |
1959 | ||
1960 | input = os->children.head->input_section.section; | |
1961 | bfd_set_section_vma (os->bfd_section->owner, | |
1962 | os->bfd_section, | |
1963 | bfd_section_vma (input->owner, input)); | |
1964 | os->bfd_section->_raw_size = input->_raw_size; | |
1965 | break; | |
1966 | } | |
e9b63852 | 1967 | |
686739e2 | 1968 | if (bfd_is_abs_section (os->bfd_section)) |
ae475b39 SC |
1969 | { |
1970 | /* No matter what happens, an abs section starts at zero */ | |
686739e2 | 1971 | ASSERT (os->bfd_section->vma == 0); |
ae475b39 SC |
1972 | } |
1973 | else | |
1974 | { | |
1975 | if (os->addr_tree == (etree_type *) NULL) | |
1976 | { | |
1977 | /* No address specified for this section, get one | |
1978 | from the region specification | |
1979 | */ | |
1980 | if (os->region == (lang_memory_region_type *) NULL) | |
1981 | { | |
1982 | os->region = lang_memory_region_lookup ("*default*"); | |
1983 | } | |
1984 | dot = os->region->current; | |
feaa9c4b ILT |
1985 | if (os->section_alignment == -1) |
1986 | dot = align_power (dot, os->bfd_section->alignment_power); | |
ae475b39 SC |
1987 | } |
1988 | else | |
1989 | { | |
1990 | etree_value_type r; | |
1991 | ||
1992 | r = exp_fold_tree (os->addr_tree, | |
1993 | abs_output_section, | |
1994 | lang_allocating_phase_enum, | |
1995 | dot, &dot); | |
1996 | if (r.valid == false) | |
1997 | { | |
1998 | einfo ("%F%S: non constant address expression for section %s\n", | |
1999 | os->name); | |
2000 | } | |
2001 | dot = r.value; | |
2002 | } | |
2003 | /* The section starts here */ | |
2004 | /* First, align to what the section needs */ | |
2005 | ||
a62494c4 JL |
2006 | if (os->section_alignment != -1) |
2007 | dot = align_power (dot, os->section_alignment); | |
ae475b39 | 2008 | |
ae475b39 | 2009 | bfd_set_section_vma (0, os->bfd_section, dot); |
9fce28ed | 2010 | |
686739e2 ILT |
2011 | os->bfd_section->output_offset = 0; |
2012 | } | |
ae475b39 SC |
2013 | |
2014 | (void) lang_size_sections (os->children.head, os, &os->children.head, | |
2015 | os->fill, dot, relax); | |
2016 | /* Ignore the size of the input sections, use the vma and size to */ | |
2017 | /* align against */ | |
2018 | ||
8ddef552 | 2019 | after = ALIGN_N (os->bfd_section->vma + |
97fbbaca JL |
2020 | os->bfd_section->_raw_size, |
2021 | /* The coercion here is important, see ld.h. */ | |
2022 | (bfd_vma) os->block_value); | |
ae475b39 | 2023 | |
686739e2 ILT |
2024 | if (bfd_is_abs_section (os->bfd_section)) |
2025 | ASSERT (after == os->bfd_section->vma); | |
2026 | else | |
2027 | os->bfd_section->_raw_size = after - os->bfd_section->vma; | |
ae475b39 SC |
2028 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; |
2029 | os->processed = true; | |
2030 | ||
2031 | /* Replace into region ? */ | |
686739e2 | 2032 | if (os->region != (lang_memory_region_type *) NULL) |
e802f0be DE |
2033 | { |
2034 | os->region->current = dot; | |
2035 | /* Make sure this isn't silly. */ | |
09328690 ILT |
2036 | if (os->region->current < os->region->origin |
2037 | || (os->region->current - os->region->origin | |
2038 | > os->region->length)) | |
e802f0be DE |
2039 | { |
2040 | if (os->addr_tree != (etree_type *) NULL) | |
2041 | { | |
2042 | einfo ("%X%P: address 0x%v of %B section %s is not within region %s\n", | |
2043 | os->region->current, | |
2044 | os->bfd_section->owner, | |
2045 | os->bfd_section->name, | |
2046 | os->region->name); | |
2047 | } | |
2048 | else | |
2049 | { | |
2050 | einfo ("%X%P: region %s is full (%B section %s)\n", | |
2051 | os->region->name, | |
2052 | os->bfd_section->owner, | |
2053 | os->bfd_section->name); | |
2054 | } | |
2055 | /* Reset the region pointer. */ | |
2056 | os->region->current = os->region->origin; | |
2057 | } | |
2058 | } | |
ae475b39 | 2059 | } |
e802f0be | 2060 | break; |
9d1fe8a4 | 2061 | |
ae475b39 SC |
2062 | case lang_constructors_statement_enum: |
2063 | dot = lang_size_sections (constructor_list.head, | |
2064 | output_section_statement, | |
2065 | &s->wild_statement.children.head, | |
2066 | fill, | |
2067 | dot, relax); | |
2068 | break; | |
9d1fe8a4 | 2069 | |
ae475b39 SC |
2070 | case lang_data_statement_enum: |
2071 | { | |
2072 | unsigned int size = 0; | |
2073 | ||
2074 | s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma; | |
2075 | s->data_statement.output_section = | |
2076 | output_section_statement->bfd_section; | |
2077 | ||
2078 | switch (s->data_statement.type) | |
2079 | { | |
c477527c ILT |
2080 | case QUAD: |
2081 | size = QUAD_SIZE; | |
2082 | break; | |
ae475b39 SC |
2083 | case LONG: |
2084 | size = LONG_SIZE; | |
2085 | break; | |
2086 | case SHORT: | |
2087 | size = SHORT_SIZE; | |
2088 | break; | |
2089 | case BYTE: | |
2090 | size = BYTE_SIZE; | |
2091 | break; | |
2092 | ||
2093 | } | |
2094 | dot += size; | |
2095 | output_section_statement->bfd_section->_raw_size += size; | |
36ea6198 ILT |
2096 | /* The output section gets contents, and then we inspect for |
2097 | any flags set in the input script which override any ALLOC */ | |
943fbd5b | 2098 | output_section_statement->bfd_section->flags |= SEC_HAS_CONTENTS; |
36ea6198 ILT |
2099 | if (!(output_section_statement->flags & SEC_NEVER_LOAD)) { |
2100 | output_section_statement->bfd_section->flags |= SEC_ALLOC | SEC_LOAD; | |
2101 | } | |
ae475b39 SC |
2102 | } |
2103 | break; | |
c611e285 | 2104 | |
4fdbafb2 ILT |
2105 | case lang_reloc_statement_enum: |
2106 | { | |
2107 | int size; | |
2108 | ||
2109 | s->reloc_statement.output_vma = | |
2110 | dot - output_section_statement->bfd_section->vma; | |
2111 | s->reloc_statement.output_section = | |
2112 | output_section_statement->bfd_section; | |
2113 | size = bfd_get_reloc_size (s->reloc_statement.howto); | |
2114 | dot += size; | |
2115 | output_section_statement->bfd_section->_raw_size += size; | |
2116 | } | |
2117 | break; | |
2118 | ||
ae475b39 | 2119 | case lang_wild_statement_enum: |
c611e285 | 2120 | |
ae475b39 SC |
2121 | dot = lang_size_sections (s->wild_statement.children.head, |
2122 | output_section_statement, | |
2123 | &s->wild_statement.children.head, | |
c611e285 | 2124 | |
ae475b39 | 2125 | fill, dot, relax); |
c611e285 | 2126 | |
ae475b39 | 2127 | break; |
c611e285 | 2128 | |
ae475b39 | 2129 | case lang_object_symbols_statement_enum: |
c477527c ILT |
2130 | link_info.create_object_symbols_section = |
2131 | output_section_statement->bfd_section; | |
ae475b39 SC |
2132 | break; |
2133 | case lang_output_statement_enum: | |
2134 | case lang_target_statement_enum: | |
2135 | break; | |
2136 | case lang_input_section_enum: | |
ae475b39 | 2137 | { |
c477527c ILT |
2138 | asection *i; |
2139 | ||
193c5f93 ILT |
2140 | i = (*prev)->input_section.section; |
2141 | if (! relax) | |
2142 | i->_cooked_size = i->_raw_size; | |
2143 | else | |
755f42fe | 2144 | { |
193c5f93 | 2145 | boolean again; |
075d7359 | 2146 | |
193c5f93 ILT |
2147 | if (! bfd_relax_section (i->owner, i, &link_info, &again)) |
2148 | einfo ("%P%F: can't relax section: %E\n"); | |
2149 | if (again) | |
2150 | relax_again = true; | |
2151 | } | |
2152 | dot = size_input_section (prev, | |
2153 | output_section_statement, | |
2154 | output_section_statement->fill, | |
2155 | dot, relax); | |
ae475b39 | 2156 | } |
ae475b39 SC |
2157 | break; |
2158 | case lang_input_statement_enum: | |
2159 | break; | |
2160 | case lang_fill_statement_enum: | |
2161 | s->fill_statement.output_section = output_section_statement->bfd_section; | |
075d7359 | 2162 | |
ae475b39 SC |
2163 | fill = s->fill_statement.fill; |
2164 | break; | |
2165 | case lang_assignment_statement_enum: | |
2166 | { | |
2167 | bfd_vma newdot = dot; | |
2168 | ||
2169 | exp_fold_tree (s->assignment_statement.exp, | |
2170 | output_section_statement, | |
2171 | lang_allocating_phase_enum, | |
2172 | dot, | |
2173 | &newdot); | |
2174 | ||
2175 | if (newdot != dot && !relax) | |
27f7237e ILT |
2176 | { |
2177 | /* The assignment changed dot. Insert a pad. */ | |
2178 | if (output_section_statement == abs_output_section) | |
2179 | { | |
2180 | /* If we don't have an output section, then just adjust | |
2181 | the default memory address. */ | |
2182 | lang_memory_region_lookup ("*default*")->current = newdot; | |
2183 | } | |
2184 | else | |
2185 | { | |
2186 | lang_statement_union_type *new = | |
2187 | ((lang_statement_union_type *) | |
2188 | stat_alloc (sizeof (lang_padding_statement_type))); | |
2189 | ||
2190 | /* Link into existing chain */ | |
2191 | new->header.next = *prev; | |
2192 | *prev = new; | |
2193 | new->header.type = lang_padding_statement_enum; | |
2194 | new->padding_statement.output_section = | |
2195 | output_section_statement->bfd_section; | |
2196 | new->padding_statement.output_offset = | |
2197 | dot - output_section_statement->bfd_section->vma; | |
2198 | new->padding_statement.fill = fill; | |
2199 | new->padding_statement.size = newdot - dot; | |
2200 | output_section_statement->bfd_section->_raw_size += | |
2201 | new->padding_statement.size; | |
2202 | } | |
2203 | ||
2204 | dot = newdot; | |
2205 | } | |
ae475b39 | 2206 | } |
27f7237e | 2207 | break; |
9d87af56 ILT |
2208 | |
2209 | case lang_padding_statement_enum: | |
2210 | /* If we are relaxing, and this is not the first pass, some | |
2211 | padding statements may have been inserted during previous | |
2212 | passes. We may have to move the padding statement to a new | |
2213 | location if dot has a different value at this point in this | |
2214 | pass than it did at this point in the previous pass. */ | |
2215 | s->padding_statement.output_offset = | |
2216 | dot - output_section_statement->bfd_section->vma; | |
2217 | dot += s->padding_statement.size; | |
708f7fbc ILT |
2218 | output_section_statement->bfd_section->_raw_size += |
2219 | s->padding_statement.size; | |
9d87af56 ILT |
2220 | break; |
2221 | ||
309c8153 ILT |
2222 | case lang_group_statement_enum: |
2223 | dot = lang_size_sections (s->group_statement.children.head, | |
2224 | output_section_statement, | |
2225 | &s->group_statement.children.head, | |
2226 | fill, dot, relax); | |
2227 | break; | |
2228 | ||
ae475b39 SC |
2229 | default: |
2230 | FAIL (); | |
2231 | break; | |
9d87af56 | 2232 | |
ae475b39 | 2233 | /* This can only get here when relaxing is turned on */ |
075d7359 | 2234 | |
ae475b39 SC |
2235 | case lang_address_statement_enum: |
2236 | break; | |
075d7359 | 2237 | } |
ae475b39 SC |
2238 | prev = &s->header.next; |
2239 | } | |
c611e285 SC |
2240 | return dot; |
2241 | } | |
9d1fe8a4 | 2242 | |
309c8153 | 2243 | bfd_vma |
9f629407 ILT |
2244 | lang_do_assignments (s, output_section_statement, fill, dot) |
2245 | lang_statement_union_type * s; | |
2246 | lang_output_section_statement_type * output_section_statement; | |
c477527c | 2247 | fill_type fill; |
9f629407 | 2248 | bfd_vma dot; |
2fa0b342 | 2249 | { |
075d7359 | 2250 | for (; s != (lang_statement_union_type *) NULL; s = s->next) |
2fa0b342 | 2251 | { |
075d7359 | 2252 | switch (s->header.type) |
2fa0b342 | 2253 | { |
075d7359 SC |
2254 | case lang_constructors_statement_enum: |
2255 | dot = lang_do_assignments (constructor_list.head, | |
2256 | output_section_statement, | |
2257 | fill, | |
2258 | dot); | |
2259 | break; | |
2260 | ||
2261 | case lang_output_section_statement_enum: | |
2262 | { | |
2263 | lang_output_section_statement_type *os = | |
269773c1 | 2264 | &(s->output_section_statement); |
2fa0b342 | 2265 | |
269773c1 ILT |
2266 | if (os->bfd_section != NULL) |
2267 | { | |
2268 | dot = os->bfd_section->vma; | |
2269 | (void) lang_do_assignments (os->children.head, os, | |
2270 | os->fill, dot); | |
2271 | dot = os->bfd_section->vma + os->bfd_section->_raw_size; | |
2272 | } | |
0b3499f6 ILT |
2273 | if (os->load_base) |
2274 | { | |
467a0380 SC |
2275 | /* If nothing has been placed into the output section then |
2276 | it won't have a bfd_section. */ | |
2277 | if (os->bfd_section) | |
2278 | { | |
2279 | os->bfd_section->lma | |
2280 | = exp_get_abs_int(os->load_base, 0,"load base", lang_final_phase_enum); | |
2281 | } | |
0b3499f6 | 2282 | } |
075d7359 SC |
2283 | } |
2284 | break; | |
2285 | case lang_wild_statement_enum: | |
2fa0b342 | 2286 | |
075d7359 SC |
2287 | dot = lang_do_assignments (s->wild_statement.children.head, |
2288 | output_section_statement, | |
2289 | fill, dot); | |
2fa0b342 | 2290 | |
075d7359 SC |
2291 | break; |
2292 | ||
2293 | case lang_object_symbols_statement_enum: | |
2294 | case lang_output_statement_enum: | |
2295 | case lang_target_statement_enum: | |
1418c83b | 2296 | #if 0 |
075d7359 | 2297 | case lang_common_statement_enum: |
1418c83b | 2298 | #endif |
2fa0b342 | 2299 | break; |
075d7359 SC |
2300 | case lang_data_statement_enum: |
2301 | { | |
2302 | etree_value_type value; | |
2303 | ||
2304 | value = exp_fold_tree (s->data_statement.exp, | |
2305 | abs_output_section, | |
2306 | lang_final_phase_enum, dot, &dot); | |
2307 | s->data_statement.value = value.value; | |
2308 | if (value.valid == false) | |
ddddcdf0 | 2309 | einfo ("%F%P: invalid data statement\n"); |
075d7359 SC |
2310 | } |
2311 | switch (s->data_statement.type) | |
2312 | { | |
c477527c ILT |
2313 | case QUAD: |
2314 | dot += QUAD_SIZE; | |
2315 | break; | |
075d7359 SC |
2316 | case LONG: |
2317 | dot += LONG_SIZE; | |
2318 | break; | |
2319 | case SHORT: | |
2320 | dot += SHORT_SIZE; | |
2321 | break; | |
2322 | case BYTE: | |
2323 | dot += BYTE_SIZE; | |
2324 | break; | |
2325 | } | |
2fa0b342 | 2326 | break; |
4fdbafb2 ILT |
2327 | |
2328 | case lang_reloc_statement_enum: | |
2329 | { | |
2330 | etree_value_type value; | |
2331 | ||
2332 | value = exp_fold_tree (s->reloc_statement.addend_exp, | |
2333 | abs_output_section, | |
2334 | lang_final_phase_enum, dot, &dot); | |
2335 | s->reloc_statement.addend_value = value.value; | |
2336 | if (value.valid == false) | |
2337 | einfo ("%F%P: invalid reloc statement\n"); | |
2338 | } | |
2339 | dot += bfd_get_reloc_size (s->reloc_statement.howto); | |
2340 | break; | |
2341 | ||
075d7359 SC |
2342 | case lang_input_section_enum: |
2343 | { | |
2344 | asection *in = s->input_section.section; | |
2345 | ||
f078dc7c ILT |
2346 | if (in->_cooked_size != 0) |
2347 | dot += in->_cooked_size; | |
2348 | else | |
2349 | dot += in->_raw_size; | |
075d7359 | 2350 | } |
2fa0b342 | 2351 | break; |
2fa0b342 | 2352 | |
075d7359 SC |
2353 | case lang_input_statement_enum: |
2354 | break; | |
2355 | case lang_fill_statement_enum: | |
2356 | fill = s->fill_statement.fill; | |
2357 | break; | |
2358 | case lang_assignment_statement_enum: | |
2359 | { | |
2360 | exp_fold_tree (s->assignment_statement.exp, | |
2361 | output_section_statement, | |
2362 | lang_final_phase_enum, | |
2363 | dot, | |
2364 | &dot); | |
2365 | } | |
2366 | ||
2367 | break; | |
2368 | case lang_padding_statement_enum: | |
2369 | dot += s->padding_statement.size; | |
2370 | break; | |
309c8153 ILT |
2371 | |
2372 | case lang_group_statement_enum: | |
2373 | dot = lang_do_assignments (s->group_statement.children.head, | |
2374 | output_section_statement, | |
2375 | fill, dot); | |
2376 | ||
2377 | break; | |
2378 | ||
075d7359 SC |
2379 | default: |
2380 | FAIL (); | |
2381 | break; | |
2382 | case lang_address_statement_enum: | |
2383 | break; | |
2384 | } | |
2fa0b342 DHW |
2385 | |
2386 | } | |
2387 | return dot; | |
2388 | } | |
2389 | ||
1d169acc ILT |
2390 | /* Fix any .startof. or .sizeof. symbols. When the assemblers see the |
2391 | operator .startof. (section_name), it produces an undefined symbol | |
2392 | .startof.section_name. Similarly, when it sees | |
2393 | .sizeof. (section_name), it produces an undefined symbol | |
2394 | .sizeof.section_name. For all the output sections, we look for | |
2395 | such symbols, and set them to the correct value. */ | |
2396 | ||
2397 | static void | |
2398 | lang_set_startof () | |
2399 | { | |
2400 | asection *s; | |
2401 | ||
307585f1 ILT |
2402 | if (link_info.relocateable) |
2403 | return; | |
2404 | ||
1d169acc ILT |
2405 | for (s = output_bfd->sections; s != NULL; s = s->next) |
2406 | { | |
2407 | const char *secname; | |
2408 | char *buf; | |
2409 | struct bfd_link_hash_entry *h; | |
2410 | ||
2411 | secname = bfd_get_section_name (output_bfd, s); | |
2412 | buf = xmalloc (10 + strlen (secname)); | |
2413 | ||
2414 | sprintf (buf, ".startof.%s", secname); | |
2415 | h = bfd_link_hash_lookup (link_info.hash, buf, false, false, true); | |
2416 | if (h != NULL && h->type == bfd_link_hash_undefined) | |
2417 | { | |
2418 | h->type = bfd_link_hash_defined; | |
2419 | h->u.def.value = bfd_get_section_vma (output_bfd, s); | |
2420 | h->u.def.section = bfd_abs_section_ptr; | |
2421 | } | |
2422 | ||
2423 | sprintf (buf, ".sizeof.%s", secname); | |
2424 | h = bfd_link_hash_lookup (link_info.hash, buf, false, false, true); | |
2425 | if (h != NULL && h->type == bfd_link_hash_undefined) | |
2426 | { | |
2427 | h->type = bfd_link_hash_defined; | |
2428 | if (s->_cooked_size != 0) | |
2429 | h->u.def.value = s->_cooked_size; | |
2430 | else | |
2431 | h->u.def.value = s->_raw_size; | |
2432 | h->u.def.section = bfd_abs_section_ptr; | |
2433 | } | |
2434 | ||
2435 | free (buf); | |
2436 | } | |
2437 | } | |
2438 | ||
2fa0b342 | 2439 | static void |
8ddef552 | 2440 | lang_finish () |
2fa0b342 | 2441 | { |
c477527c | 2442 | struct bfd_link_hash_entry *h; |
cc38364d KR |
2443 | boolean warn; |
2444 | ||
2445 | if (link_info.relocateable || link_info.shared) | |
2446 | warn = false; | |
2447 | else | |
2448 | warn = true; | |
075d7359 | 2449 | |
c477527c ILT |
2450 | if (entry_symbol == (char *) NULL) |
2451 | { | |
2452 | /* No entry has been specified. Look for start, but don't warn | |
2453 | if we don't find it. */ | |
2454 | entry_symbol = "start"; | |
2455 | warn = false; | |
2456 | } | |
2fa0b342 | 2457 | |
c477527c ILT |
2458 | h = bfd_link_hash_lookup (link_info.hash, entry_symbol, false, false, true); |
2459 | if (h != (struct bfd_link_hash_entry *) NULL | |
8ed88239 | 2460 | && (h->type == bfd_link_hash_defined |
061e65f8 ILT |
2461 | || h->type == bfd_link_hash_defweak) |
2462 | && h->u.def.section->output_section != NULL) | |
075d7359 | 2463 | { |
c477527c | 2464 | bfd_vma val; |
075d7359 | 2465 | |
c477527c ILT |
2466 | val = (h->u.def.value |
2467 | + bfd_get_section_vma (output_bfd, | |
2468 | h->u.def.section->output_section) | |
2469 | + h->u.def.section->output_offset); | |
2470 | if (! bfd_set_start_address (output_bfd, val)) | |
2471 | einfo ("%P%F:%s: can't set start address\n", entry_symbol); | |
075d7359 | 2472 | } |
c477527c | 2473 | else |
22a78f0d | 2474 | { |
c477527c ILT |
2475 | asection *ts; |
2476 | ||
2477 | /* Can't find the entry symbol. Use the first address in the | |
2478 | text section. */ | |
2479 | ts = bfd_get_section_by_name (output_bfd, ".text"); | |
2480 | if (ts != (asection *) NULL) | |
2481 | { | |
2482 | if (warn) | |
2483 | einfo ("%P: warning: cannot find entry symbol %s; defaulting to %V\n", | |
2484 | entry_symbol, bfd_get_section_vma (output_bfd, ts)); | |
2485 | if (! bfd_set_start_address (output_bfd, | |
2486 | bfd_get_section_vma (output_bfd, ts))) | |
2487 | einfo ("%P%F: can't set start address\n"); | |
2488 | } | |
2489 | else | |
2490 | { | |
2491 | if (warn) | |
2492 | einfo ("%P: warning: cannot find entry symbol %s; not setting start address\n", | |
2493 | entry_symbol); | |
2494 | } | |
22a78f0d | 2495 | } |
2fa0b342 DHW |
2496 | } |
2497 | ||
0b3499f6 | 2498 | /* Check that the architecture of all the input files is compatible |
f400bbbb ILT |
2499 | with the output file. Also call the backend to let it do any |
2500 | other checking that is needed. */ | |
0b3499f6 | 2501 | |
2fa0b342 | 2502 | static void |
8ddef552 | 2503 | lang_check () |
2fa0b342 DHW |
2504 | { |
2505 | lang_statement_union_type *file; | |
075d7359 | 2506 | bfd *input_bfd; |
075d7359 | 2507 | CONST bfd_arch_info_type *compatible; |
7bc4a0d7 | 2508 | |
2fa0b342 | 2509 | for (file = file_chain.head; |
075d7359 SC |
2510 | file != (lang_statement_union_type *) NULL; |
2511 | file = file->input_statement.next) | |
2512 | { | |
075d7359 | 2513 | input_bfd = file->input_statement.the_bfd; |
075d7359 SC |
2514 | compatible = bfd_arch_get_compatible (input_bfd, |
2515 | output_bfd); | |
0b3499f6 ILT |
2516 | if (compatible == NULL) |
2517 | einfo ("%P: warning: %s architecture of input file `%B' is incompatible with %s output\n", | |
2518 | bfd_printable_name (input_bfd), input_bfd, | |
2519 | bfd_printable_name (output_bfd)); | |
f400bbbb ILT |
2520 | |
2521 | else | |
2522 | bfd_merge_private_bfd_data (input_bfd, output_bfd); | |
075d7359 SC |
2523 | } |
2524 | } | |
2fa0b342 | 2525 | |
c477527c ILT |
2526 | /* Look through all the global common symbols and attach them to the |
2527 | correct section. The -sort-common command line switch may be used | |
2528 | to roughly sort the entries by size. */ | |
2fa0b342 DHW |
2529 | |
2530 | static void | |
8ddef552 | 2531 | lang_common () |
2fa0b342 | 2532 | { |
c477527c ILT |
2533 | if (link_info.relocateable |
2534 | && ! command_line.force_common_definition) | |
2535 | return; | |
075d7359 | 2536 | |
c477527c ILT |
2537 | if (! config.sort_common) |
2538 | bfd_link_hash_traverse (link_info.hash, lang_one_common, (PTR) NULL); | |
2539 | else | |
075d7359 | 2540 | { |
fa9dea80 | 2541 | int power; |
1418c83b | 2542 | |
fa9dea80 | 2543 | for (power = 4; power >= 0; power--) |
c477527c ILT |
2544 | bfd_link_hash_traverse (link_info.hash, lang_one_common, |
2545 | (PTR) &power); | |
2546 | } | |
2547 | } | |
29f33467 | 2548 | |
c477527c | 2549 | /* Place one common symbol in the correct section. */ |
075d7359 | 2550 | |
c477527c ILT |
2551 | static boolean |
2552 | lang_one_common (h, info) | |
2553 | struct bfd_link_hash_entry *h; | |
2554 | PTR info; | |
2555 | { | |
2556 | unsigned int power_of_two; | |
2557 | bfd_vma size; | |
c477527c | 2558 | asection *section; |
075d7359 | 2559 | |
c477527c ILT |
2560 | if (h->type != bfd_link_hash_common) |
2561 | return true; | |
075d7359 | 2562 | |
c477527c | 2563 | size = h->u.c.size; |
f400bbbb | 2564 | power_of_two = h->u.c.p->alignment_power; |
36c6e8c3 ILT |
2565 | |
2566 | if (config.sort_common | |
f054ce20 | 2567 | && power_of_two < (unsigned int) *(int *) info) |
c477527c | 2568 | return true; |
075d7359 | 2569 | |
f400bbbb | 2570 | section = h->u.c.p->section; |
075d7359 | 2571 | |
c477527c | 2572 | /* Increase the size of the section. */ |
36c6e8c3 ILT |
2573 | section->_raw_size = ALIGN_N (section->_raw_size, |
2574 | (bfd_size_type) (1 << power_of_two)); | |
075d7359 | 2575 | |
c477527c ILT |
2576 | /* Adjust the alignment if necessary. */ |
2577 | if (power_of_two > section->alignment_power) | |
2578 | section->alignment_power = power_of_two; | |
075d7359 | 2579 | |
c477527c ILT |
2580 | /* Change the symbol from common to defined. */ |
2581 | h->type = bfd_link_hash_defined; | |
2582 | h->u.def.section = section; | |
2583 | h->u.def.value = section->_raw_size; | |
097879bc | 2584 | |
c477527c ILT |
2585 | /* Increase the size of the section. */ |
2586 | section->_raw_size += size; | |
1418c83b | 2587 | |
809391bd ILT |
2588 | /* Make sure the section is allocated in memory. */ |
2589 | section->flags |= SEC_ALLOC; | |
2590 | ||
b495c314 | 2591 | if (config.map_file != NULL) |
c477527c ILT |
2592 | fprintf (config.map_file, "Allocating common %s: %lx at %lx %s\n", |
2593 | h->root.string, (unsigned long) size, | |
2594 | (unsigned long) h->u.def.value, section->owner->filename); | |
1418c83b | 2595 | |
c477527c | 2596 | return true; |
2fa0b342 DHW |
2597 | } |
2598 | ||
2599 | /* | |
075d7359 | 2600 | run through the input files and ensure that every input |
2fa0b342 DHW |
2601 | section has somewhere to go. If one is found without |
2602 | a destination then create an input request and place it | |
2603 | into the statement tree. | |
2604 | */ | |
2605 | ||
075d7359 | 2606 | static void |
8ddef552 | 2607 | lang_place_orphans () |
2fa0b342 DHW |
2608 | { |
2609 | lang_input_statement_type *file; | |
1418c83b | 2610 | |
075d7359 SC |
2611 | for (file = (lang_input_statement_type *) file_chain.head; |
2612 | file != (lang_input_statement_type *) NULL; | |
2613 | file = (lang_input_statement_type *) file->next) | |
2614 | { | |
2615 | asection *s; | |
2616 | ||
2617 | for (s = file->the_bfd->sections; | |
2618 | s != (asection *) NULL; | |
2619 | s = s->next) | |
2620 | { | |
2621 | if (s->output_section == (asection *) NULL) | |
2622 | { | |
2623 | /* This section of the file is not attatched, root | |
2624 | around for a sensible place for it to go */ | |
2625 | ||
e802f0be DE |
2626 | if (file->just_syms_flag) |
2627 | { | |
2628 | /* We are only retrieving symbol values from this | |
2629 | file. We want the symbols to act as though the | |
2630 | values in the file are absolute. */ | |
2631 | s->output_section = bfd_abs_section_ptr; | |
2632 | s->output_offset = s->vma; | |
2633 | } | |
2634 | else if (file->common_section == s) | |
075d7359 SC |
2635 | { |
2636 | /* This is a lonely common section which must | |
2637 | have come from an archive. We attatch to the | |
2638 | section with the wildcard */ | |
c477527c ILT |
2639 | if (! link_info.relocateable |
2640 | && ! command_line.force_common_definition) | |
075d7359 SC |
2641 | { |
2642 | if (default_common_section == | |
2643 | (lang_output_section_statement_type *) NULL) | |
2644 | { | |
a4aeaacf | 2645 | info_msg ("%P: no [COMMON] command, defaulting to .bss\n"); |
075d7359 SC |
2646 | |
2647 | default_common_section = | |
2648 | lang_output_section_statement_lookup (".bss"); | |
2649 | ||
2650 | } | |
2651 | wild_doit (&default_common_section->children, s, | |
2652 | default_common_section, file); | |
2653 | } | |
2654 | } | |
0b3499f6 ILT |
2655 | else if (ldemul_place_orphan (file, s)) |
2656 | ; | |
075d7359 SC |
2657 | else |
2658 | { | |
2659 | lang_output_section_statement_type *os = | |
2660 | lang_output_section_statement_lookup (s->name); | |
2fa0b342 | 2661 | |
075d7359 SC |
2662 | wild_doit (&os->children, s, os, file); |
2663 | } | |
2664 | } | |
2fa0b342 | 2665 | } |
2fa0b342 | 2666 | } |
2fa0b342 DHW |
2667 | } |
2668 | ||
2669 | ||
2fa0b342 | 2670 | void |
8ddef552 DM |
2671 | lang_set_flags (ptr, flags) |
2672 | int *ptr; | |
2673 | CONST char *flags; | |
2fa0b342 | 2674 | { |
075d7359 SC |
2675 | boolean state = false; |
2676 | ||
2677 | *ptr = 0; | |
2fa0b342 | 2678 | while (*flags) |
075d7359 SC |
2679 | { |
2680 | if (*flags == '!') | |
2681 | { | |
2682 | state = false; | |
2683 | flags++; | |
2684 | } | |
2685 | else | |
2686 | state = true; | |
2687 | switch (*flags) | |
2688 | { | |
2689 | case 'R': | |
2690 | /* ptr->flag_read = state; */ | |
2691 | break; | |
2692 | case 'W': | |
2693 | /* ptr->flag_write = state; */ | |
2694 | break; | |
2695 | case 'X': | |
2696 | /* ptr->flag_executable= state;*/ | |
2697 | break; | |
2698 | case 'L': | |
2699 | case 'I': | |
2700 | /* ptr->flag_loadable= state;*/ | |
2701 | break; | |
2702 | default: | |
ddddcdf0 | 2703 | einfo ("%P%F: invalid syntax in flags\n"); |
075d7359 SC |
2704 | break; |
2705 | } | |
dc4726c2 SC |
2706 | flags++; |
2707 | } | |
2fa0b342 DHW |
2708 | } |
2709 | ||
a4d2a48e ILT |
2710 | /* Call a function on each input file. This function will be called |
2711 | on an archive, but not on the elements. */ | |
2712 | ||
2713 | void | |
2714 | lang_for_each_input_file (func) | |
2715 | void (*func) PARAMS ((lang_input_statement_type *)); | |
2716 | { | |
2717 | lang_input_statement_type *f; | |
2718 | ||
2719 | for (f = (lang_input_statement_type *) input_file_chain.head; | |
2720 | f != NULL; | |
2721 | f = (lang_input_statement_type *) f->next_real_file) | |
2722 | func (f); | |
2723 | } | |
2fa0b342 | 2724 | |
a4d2a48e ILT |
2725 | /* Call a function on each file. The function will be called on all |
2726 | the elements of an archive which are included in the link, but will | |
2727 | not be called on the archive file itself. */ | |
2fa0b342 DHW |
2728 | |
2729 | void | |
8ddef552 DM |
2730 | lang_for_each_file (func) |
2731 | void (*func) PARAMS ((lang_input_statement_type *)); | |
2fa0b342 DHW |
2732 | { |
2733 | lang_input_statement_type *f; | |
075d7359 SC |
2734 | |
2735 | for (f = (lang_input_statement_type *) file_chain.head; | |
2736 | f != (lang_input_statement_type *) NULL; | |
2737 | f = (lang_input_statement_type *) f->next) | |
2738 | { | |
2739 | func (f); | |
2740 | } | |
2fa0b342 DHW |
2741 | } |
2742 | ||
9f629407 ILT |
2743 | #if 0 |
2744 | ||
2745 | /* Not used. */ | |
2fa0b342 DHW |
2746 | |
2747 | void | |
8ddef552 DM |
2748 | lang_for_each_input_section (func) |
2749 | void (*func) PARAMS ((bfd * ab, asection * as)); | |
2fa0b342 DHW |
2750 | { |
2751 | lang_input_statement_type *f; | |
075d7359 SC |
2752 | |
2753 | for (f = (lang_input_statement_type *) file_chain.head; | |
2754 | f != (lang_input_statement_type *) NULL; | |
2755 | f = (lang_input_statement_type *) f->next) | |
2fa0b342 DHW |
2756 | { |
2757 | asection *s; | |
075d7359 | 2758 | |
2fa0b342 | 2759 | for (s = f->the_bfd->sections; |
075d7359 SC |
2760 | s != (asection *) NULL; |
2761 | s = s->next) | |
2762 | { | |
2763 | func (f->the_bfd, s); | |
2764 | } | |
2fa0b342 DHW |
2765 | } |
2766 | } | |
2767 | ||
9f629407 | 2768 | #endif |
2fa0b342 | 2769 | |
075d7359 | 2770 | void |
8ddef552 DM |
2771 | ldlang_add_file (entry) |
2772 | lang_input_statement_type * entry; | |
2fa0b342 | 2773 | { |
5e6cd559 ILT |
2774 | bfd **pp; |
2775 | ||
075d7359 SC |
2776 | lang_statement_append (&file_chain, |
2777 | (lang_statement_union_type *) entry, | |
2778 | &entry->next); | |
c477527c ILT |
2779 | |
2780 | /* The BFD linker needs to have a list of all input BFDs involved in | |
2781 | a link. */ | |
2782 | ASSERT (entry->the_bfd->link_next == (bfd *) NULL); | |
2783 | ASSERT (entry->the_bfd != output_bfd); | |
5e6cd559 ILT |
2784 | for (pp = &link_info.input_bfds; |
2785 | *pp != (bfd *) NULL; | |
2786 | pp = &(*pp)->link_next) | |
2787 | ; | |
2788 | *pp = entry->the_bfd; | |
c477527c | 2789 | entry->the_bfd->usrdata = (PTR) entry; |
fc1dfb71 | 2790 | bfd_set_gp_size (entry->the_bfd, g_switch_value); |
23595ba5 ILT |
2791 | |
2792 | /* Look through the sections and check for any which should not be | |
2793 | included in the link. We need to do this now, so that we can | |
2794 | notice when the backend linker tries to report multiple | |
2795 | definition errors for symbols which are in sections we aren't | |
2796 | going to link. FIXME: It might be better to entirely ignore | |
2797 | symbols which are defined in sections which are going to be | |
2798 | discarded. This would require modifying the backend linker for | |
2799 | each backend which might set the SEC_LINK_ONCE flag. If we do | |
2800 | this, we should probably handle SEC_EXCLUDE in the same way. */ | |
2801 | ||
2802 | bfd_map_over_sections (entry->the_bfd, section_already_linked, (PTR) NULL); | |
2fa0b342 DHW |
2803 | } |
2804 | ||
2fa0b342 | 2805 | void |
2c6635a4 | 2806 | lang_add_output (name, from_script) |
8ddef552 | 2807 | CONST char *name; |
2c6635a4 | 2808 | int from_script; |
2fa0b342 | 2809 | { |
2c6635a4 ILT |
2810 | /* Make -o on command line override OUTPUT in script. */ |
2811 | if (had_output_filename == false || !from_script) | |
2812 | { | |
2813 | output_filename = name; | |
2814 | had_output_filename = true; | |
2815 | } | |
2fa0b342 DHW |
2816 | } |
2817 | ||
2818 | ||
2819 | static lang_output_section_statement_type *current_section; | |
2820 | ||
f054ce20 ILT |
2821 | static int |
2822 | topower (x) | |
9f629407 | 2823 | int x; |
e20873a7 | 2824 | { |
f054ce20 | 2825 | unsigned int i = 1; |
e20873a7 | 2826 | int l; |
f054ce20 ILT |
2827 | |
2828 | if (x < 0) | |
2829 | return -1; | |
2830 | ||
e20873a7 | 2831 | for (l = 0; l < 32; l++) |
f054ce20 ILT |
2832 | { |
2833 | if (i >= (unsigned int) x) | |
2834 | return l; | |
2835 | i <<= 1; | |
2836 | } | |
2837 | ||
29f33467 | 2838 | return 0; |
e20873a7 | 2839 | } |
2fa0b342 | 2840 | void |
8ddef552 DM |
2841 | lang_enter_output_section_statement (output_section_statement_name, |
2842 | address_exp, flags, block_value, | |
9f629407 | 2843 | align, subalign, ebase) |
fcf276c4 | 2844 | const char *output_section_statement_name; |
8ddef552 DM |
2845 | etree_type * address_exp; |
2846 | int flags; | |
2847 | bfd_vma block_value; | |
2848 | etree_type *align; | |
2849 | etree_type *subalign; | |
9f629407 | 2850 | etree_type *ebase; |
2fa0b342 DHW |
2851 | { |
2852 | lang_output_section_statement_type *os; | |
075d7359 SC |
2853 | |
2854 | current_section = | |
e20873a7 | 2855 | os = |
075d7359 SC |
2856 | lang_output_section_statement_lookup (output_section_statement_name); |
2857 | ||
2858 | ||
2fa0b342 | 2859 | |
2fa0b342 DHW |
2860 | /* Add this statement to tree */ |
2861 | /* add_statement(lang_output_section_statement_enum, | |
2862 | output_section_statement);*/ | |
2863 | /* Make next things chain into subchain of this */ | |
2864 | ||
2865 | if (os->addr_tree == | |
075d7359 | 2866 | (etree_type *) NULL) |
e20873a7 JG |
2867 | { |
2868 | os->addr_tree = | |
2869 | address_exp; | |
2870 | } | |
7bc4a0d7 | 2871 | os->flags = flags; |
ae475b39 SC |
2872 | if (flags & SEC_NEVER_LOAD) |
2873 | os->loadable = 0; | |
2874 | else | |
2875 | os->loadable = 1; | |
29f33467 | 2876 | os->block_value = block_value ? block_value : 1; |
075d7359 | 2877 | stat_ptr = &os->children; |
2fa0b342 | 2878 | |
e20873a7 JG |
2879 | os->subsection_alignment = topower( |
2880 | exp_get_value_int(subalign, -1, | |
2881 | "subsection alignment", | |
2882 | 0)); | |
2883 | os->section_alignment = topower( | |
2884 | exp_get_value_int(align, -1, | |
2885 | "section alignment", 0)); | |
9fce28ed | 2886 | |
9f629407 | 2887 | os->load_base = ebase; |
2fa0b342 DHW |
2888 | } |
2889 | ||
9fce28ed | 2890 | |
075d7359 | 2891 | void |
8ddef552 | 2892 | lang_final () |
2fa0b342 | 2893 | { |
2c6635a4 ILT |
2894 | lang_output_statement_type *new = |
2895 | new_stat (lang_output_statement, stat_ptr); | |
2fa0b342 | 2896 | |
2c6635a4 | 2897 | new->name = output_filename; |
075d7359 | 2898 | } |
2fa0b342 | 2899 | |
c611e285 SC |
2900 | /* Reset the current counters in the regions */ |
2901 | static void | |
8ddef552 | 2902 | reset_memory_regions () |
c611e285 | 2903 | { |
075d7359 SC |
2904 | lang_memory_region_type *p = lang_memory_region_list; |
2905 | ||
c611e285 | 2906 | for (p = lang_memory_region_list; |
075d7359 SC |
2907 | p != (lang_memory_region_type *) NULL; |
2908 | p = p->next) | |
2909 | { | |
8ddef552 | 2910 | p->old_length = (bfd_size_type) (p->current - p->origin); |
075d7359 SC |
2911 | p->current = p->origin; |
2912 | } | |
c611e285 | 2913 | } |
2fa0b342 | 2914 | |
2fa0b342 | 2915 | void |
8ddef552 | 2916 | lang_process () |
075d7359 | 2917 | { |
075d7359 | 2918 | lang_reasonable_defaults (); |
1418c83b SC |
2919 | current_target = default_target; |
2920 | ||
075d7359 | 2921 | lang_for_each_statement (ldlang_open_output); /* Open the output file */ |
1418c83b | 2922 | |
97fbbaca JL |
2923 | ldemul_create_output_section_statements (); |
2924 | ||
1418c83b | 2925 | /* Add to the hash table all undefineds on the command line */ |
075d7359 | 2926 | lang_place_undefineds (); |
1418c83b SC |
2927 | |
2928 | /* Create a bfd for each input file */ | |
2929 | current_target = default_target; | |
309c8153 | 2930 | open_input_bfds (statement_list.head, false); |
1418c83b | 2931 | |
cc38364d KR |
2932 | ldemul_after_open (); |
2933 | ||
c477527c ILT |
2934 | /* Build all sets based on the information gathered from the input |
2935 | files. */ | |
2936 | ldctor_build_sets (); | |
2937 | ||
4fdbafb2 ILT |
2938 | /* Size up the common data */ |
2939 | lang_common (); | |
2940 | ||
1418c83b | 2941 | /* Run through the contours of the script and attatch input sections |
075d7359 | 2942 | to the correct output sections |
1418c83b | 2943 | */ |
075d7359 SC |
2944 | map_input_to_output_sections (statement_list.head, (char *) NULL, |
2945 | (lang_output_section_statement_type *) NULL); | |
1418c83b | 2946 | |
81016051 | 2947 | |
1418c83b | 2948 | /* Find any sections not attatched explicitly and handle them */ |
075d7359 | 2949 | lang_place_orphans (); |
1418c83b | 2950 | |
075d7359 | 2951 | ldemul_before_allocation (); |
1418c83b | 2952 | |
061e65f8 ILT |
2953 | /* We must record the program headers before we try to fix the |
2954 | section positions, since they will affect SIZEOF_HEADERS. */ | |
2955 | lang_record_phdrs (); | |
2956 | ||
c611e285 | 2957 | /* Now run around and relax if we can */ |
075d7359 | 2958 | if (command_line.relax) |
c611e285 | 2959 | { |
97fbbaca JL |
2960 | /* First time round is a trial run to get the 'worst case' |
2961 | addresses of the objects if there was no relaxing. */ | |
ae475b39 | 2962 | lang_size_sections (statement_list.head, |
193c5f93 | 2963 | abs_output_section, |
ae475b39 | 2964 | &(statement_list.head), 0, (bfd_vma) 0, false); |
c611e285 | 2965 | |
193c5f93 ILT |
2966 | /* Keep relaxing until bfd_relax_section gives up. */ |
2967 | do | |
2968 | { | |
1d169acc ILT |
2969 | reset_memory_regions (); |
2970 | ||
193c5f93 | 2971 | relax_again = false; |
ae475b39 | 2972 | |
193c5f93 ILT |
2973 | /* Do all the assignments with our current guesses as to |
2974 | section sizes. */ | |
2975 | lang_do_assignments (statement_list.head, | |
2976 | abs_output_section, | |
2977 | (fill_type) 0, (bfd_vma) 0); | |
ae475b39 | 2978 | |
193c5f93 ILT |
2979 | /* Perform another relax pass - this time we know where the |
2980 | globals are, so can make better guess. */ | |
2981 | lang_size_sections (statement_list.head, | |
2982 | abs_output_section, | |
2983 | &(statement_list.head), 0, (bfd_vma) 0, true); | |
2984 | } | |
2985 | while (relax_again); | |
ae475b39 | 2986 | } |
ae475b39 SC |
2987 | else |
2988 | { | |
97fbbaca | 2989 | /* Size up the sections. */ |
ae475b39 SC |
2990 | lang_size_sections (statement_list.head, |
2991 | abs_output_section, | |
2992 | &(statement_list.head), 0, (bfd_vma) 0, false); | |
075d7359 | 2993 | } |
c611e285 | 2994 | |
1418c83b | 2995 | /* See if anything special should be done now we know how big |
97fbbaca | 2996 | everything is. */ |
075d7359 | 2997 | ldemul_after_allocation (); |
1418c83b | 2998 | |
1d169acc ILT |
2999 | /* Fix any .startof. or .sizeof. symbols. */ |
3000 | lang_set_startof (); | |
3001 | ||
1418c83b SC |
3002 | /* Do all the assignments, now that we know the final restingplaces |
3003 | of all the symbols */ | |
3004 | ||
075d7359 SC |
3005 | lang_do_assignments (statement_list.head, |
3006 | abs_output_section, | |
c477527c | 3007 | (fill_type) 0, (bfd_vma) 0); |
ffc50032 | 3008 | |
1418c83b SC |
3009 | /* Make sure that we're not mixing architectures */ |
3010 | ||
075d7359 | 3011 | lang_check (); |
1418c83b | 3012 | |
1418c83b | 3013 | /* Final stuffs */ |
97fbbaca JL |
3014 | |
3015 | ldemul_finish (); | |
075d7359 | 3016 | lang_finish (); |
2fa0b342 DHW |
3017 | } |
3018 | ||
2fa0b342 | 3019 | /* EXPORTED TO YACC */ |
1418c83b | 3020 | |
2fa0b342 | 3021 | void |
8ddef552 DM |
3022 | lang_add_wild (section_name, filename) |
3023 | CONST char *CONST section_name; | |
3024 | CONST char *CONST filename; | |
1418c83b | 3025 | { |
075d7359 SC |
3026 | lang_wild_statement_type *new = new_stat (lang_wild_statement, |
3027 | stat_ptr); | |
1418c83b | 3028 | |
075d7359 SC |
3029 | if (section_name != (char *) NULL && strcmp (section_name, "COMMON") == 0) |
3030 | { | |
3031 | placed_commons = true; | |
3032 | } | |
3033 | if (filename != (char *) NULL) | |
3034 | { | |
3035 | lang_has_input_file = true; | |
3036 | } | |
1418c83b SC |
3037 | new->section_name = section_name; |
3038 | new->filename = filename; | |
075d7359 | 3039 | lang_list_init (&new->children); |
1418c83b | 3040 | } |
075d7359 | 3041 | |
1418c83b | 3042 | void |
8ddef552 DM |
3043 | lang_section_start (name, address) |
3044 | CONST char *name; | |
3045 | etree_type * address; | |
2fa0b342 | 3046 | { |
075d7359 SC |
3047 | lang_address_statement_type *ad = new_stat (lang_address_statement, stat_ptr); |
3048 | ||
2fa0b342 DHW |
3049 | ad->section_name = name; |
3050 | ad->address = address; | |
3051 | } | |
1418c83b | 3052 | |
60e8a534 ILT |
3053 | /* Set the start symbol to NAME. CMDLINE is nonzero if this is called |
3054 | because of a -e argument on the command line, or zero if this is | |
3055 | called by ENTRY in a linker script. Command line arguments take | |
3056 | precedence. */ | |
3057 | ||
3f38a017 SC |
3058 | /* WINDOWS_NT. When an entry point has been specified, we will also force |
3059 | this symbol to be defined by calling ldlang_add_undef (equivalent to | |
3060 | having switch -u entry_name on the command line). The reason we do | |
3061 | this is so that the user doesn't have to because they would have to use | |
3062 | the -u switch if they were specifying an entry point other than | |
3063 | _mainCRTStartup. Specifically, if creating a windows application, entry | |
3064 | point _WinMainCRTStartup must be specified. | |
3065 | What I have found for non console applications (entry not _mainCRTStartup) | |
3066 | is that the .obj that contains mainCRTStartup is brought in since it is | |
3067 | the first encountered in libc.lib and it has other symbols in it which will | |
3068 | be pulled in by the link process. To avoid this, adding -u with the entry | |
3069 | point name specified forces the correct .obj to be used. We can avoid | |
3070 | making the user do this by always adding the entry point name as an | |
3071 | undefined symbol. */ | |
3072 | ||
075d7359 | 3073 | void |
60e8a534 | 3074 | lang_add_entry (name, cmdline) |
8ddef552 | 3075 | CONST char *name; |
f054ce20 | 3076 | boolean cmdline; |
2fa0b342 | 3077 | { |
60e8a534 ILT |
3078 | if (entry_symbol == NULL |
3079 | || cmdline | |
f054ce20 | 3080 | || ! entry_from_cmdline) |
60e8a534 ILT |
3081 | { |
3082 | entry_symbol = name; | |
f054ce20 | 3083 | entry_from_cmdline = cmdline; |
60e8a534 | 3084 | } |
943fbd5b | 3085 | #if 0 |
3f38a017 SC |
3086 | /* don't do this yet. It seems to work (the executables run), but the |
3087 | image created is very different from what I was getting before indicating | |
3088 | that something else is being pulled in. When everything else is working, | |
3089 | then try to put this back in to see if it will do the right thing for | |
3090 | other more complicated applications */ | |
3091 | ldlang_add_undef (name); | |
3092 | #endif | |
2fa0b342 DHW |
3093 | } |
3094 | ||
3095 | void | |
8ddef552 DM |
3096 | lang_add_target (name) |
3097 | CONST char *name; | |
2fa0b342 | 3098 | { |
075d7359 SC |
3099 | lang_target_statement_type *new = new_stat (lang_target_statement, |
3100 | stat_ptr); | |
3101 | ||
2fa0b342 DHW |
3102 | new->target = name; |
3103 | ||
3104 | } | |
2fa0b342 | 3105 | |
2fa0b342 | 3106 | void |
8ddef552 DM |
3107 | lang_add_map (name) |
3108 | CONST char *name; | |
2fa0b342 | 3109 | { |
075d7359 SC |
3110 | while (*name) |
3111 | { | |
3112 | switch (*name) | |
3113 | { | |
3114 | case 'F': | |
3115 | map_option_f = true; | |
3116 | break; | |
3117 | } | |
3118 | name++; | |
2fa0b342 | 3119 | } |
2fa0b342 DHW |
3120 | } |
3121 | ||
075d7359 | 3122 | void |
8ddef552 DM |
3123 | lang_add_fill (exp) |
3124 | int exp; | |
2fa0b342 | 3125 | { |
075d7359 SC |
3126 | lang_fill_statement_type *new = new_stat (lang_fill_statement, |
3127 | stat_ptr); | |
3128 | ||
2fa0b342 DHW |
3129 | new->fill = exp; |
3130 | } | |
3131 | ||
075d7359 | 3132 | void |
8ddef552 DM |
3133 | lang_add_data (type, exp) |
3134 | int type; | |
3135 | union etree_union *exp; | |
2fa0b342 DHW |
3136 | { |
3137 | ||
075d7359 | 3138 | lang_data_statement_type *new = new_stat (lang_data_statement, |
2fa0b342 | 3139 | stat_ptr); |
075d7359 SC |
3140 | |
3141 | new->exp = exp; | |
3142 | new->type = type; | |
2fa0b342 DHW |
3143 | |
3144 | } | |
075d7359 | 3145 | |
4fdbafb2 ILT |
3146 | /* Create a new reloc statement. RELOC is the BFD relocation type to |
3147 | generate. HOWTO is the corresponding howto structure (we could | |
3148 | look this up, but the caller has already done so). SECTION is the | |
3149 | section to generate a reloc against, or NAME is the name of the | |
3150 | symbol to generate a reloc against. Exactly one of SECTION and | |
3151 | NAME must be NULL. ADDEND is an expression for the addend. */ | |
3152 | ||
3153 | void | |
3154 | lang_add_reloc (reloc, howto, section, name, addend) | |
3155 | bfd_reloc_code_real_type reloc; | |
cc38364d | 3156 | reloc_howto_type *howto; |
4fdbafb2 ILT |
3157 | asection *section; |
3158 | const char *name; | |
3159 | union etree_union *addend; | |
3160 | { | |
3161 | lang_reloc_statement_type *p = new_stat (lang_reloc_statement, stat_ptr); | |
3162 | ||
3163 | p->reloc = reloc; | |
3164 | p->howto = howto; | |
3165 | p->section = section; | |
3166 | p->name = name; | |
3167 | p->addend_exp = addend; | |
3168 | ||
3169 | p->addend_value = 0; | |
3170 | p->output_section = NULL; | |
3171 | p->output_vma = 0; | |
3172 | } | |
3173 | ||
2fa0b342 | 3174 | void |
8ddef552 DM |
3175 | lang_add_assignment (exp) |
3176 | etree_type * exp; | |
2fa0b342 | 3177 | { |
075d7359 SC |
3178 | lang_assignment_statement_type *new = new_stat (lang_assignment_statement, |
3179 | stat_ptr); | |
3180 | ||
2fa0b342 DHW |
3181 | new->exp = exp; |
3182 | } | |
3183 | ||
3184 | void | |
8ddef552 DM |
3185 | lang_add_attribute (attribute) |
3186 | enum statement_enum attribute; | |
2fa0b342 | 3187 | { |
075d7359 | 3188 | new_statement (attribute, sizeof (lang_statement_union_type), stat_ptr); |
2fa0b342 DHW |
3189 | } |
3190 | ||
075d7359 | 3191 | void |
8ddef552 DM |
3192 | lang_startup (name) |
3193 | CONST char *name; | |
2fa0b342 | 3194 | { |
075d7359 SC |
3195 | if (startup_file != (char *) NULL) |
3196 | { | |
ddddcdf0 | 3197 | einfo ("%P%Fmultiple STARTUP files\n"); |
075d7359 | 3198 | } |
2fa0b342 DHW |
3199 | first_file->filename = name; |
3200 | first_file->local_sym_name = name; | |
193c5f93 | 3201 | first_file->real = true; |
2fa0b342 | 3202 | |
075d7359 | 3203 | startup_file = name; |
2fa0b342 | 3204 | } |
075d7359 SC |
3205 | |
3206 | void | |
8ddef552 DM |
3207 | lang_float (maybe) |
3208 | boolean maybe; | |
2fa0b342 DHW |
3209 | { |
3210 | lang_float_flag = maybe; | |
3211 | } | |
3212 | ||
075d7359 | 3213 | void |
8ddef552 DM |
3214 | lang_leave_output_section_statement (fill, memspec) |
3215 | bfd_vma fill; | |
3216 | CONST char *memspec; | |
2fa0b342 DHW |
3217 | { |
3218 | current_section->fill = fill; | |
075d7359 | 3219 | current_section->region = lang_memory_region_lookup (memspec); |
2fa0b342 DHW |
3220 | stat_ptr = &statement_list; |
3221 | } | |
075d7359 | 3222 | |
9f32f7c2 SC |
3223 | /* |
3224 | Create an absolute symbol with the given name with the value of the | |
3225 | address of first byte of the section named. | |
2fa0b342 | 3226 | |
9f32f7c2 SC |
3227 | If the symbol already exists, then do nothing. |
3228 | */ | |
8cb5eb31 | 3229 | void |
c477527c ILT |
3230 | lang_abs_symbol_at_beginning_of (secname, name) |
3231 | const char *secname; | |
3232 | const char *name; | |
075d7359 | 3233 | { |
c477527c ILT |
3234 | struct bfd_link_hash_entry *h; |
3235 | ||
3236 | h = bfd_link_hash_lookup (link_info.hash, name, true, true, true); | |
3237 | if (h == (struct bfd_link_hash_entry *) NULL) | |
3238 | einfo ("%P%F: bfd_link_hash_lookup failed: %E\n"); | |
3239 | ||
3240 | if (h->type == bfd_link_hash_new | |
3241 | || h->type == bfd_link_hash_undefined) | |
075d7359 | 3242 | { |
c477527c | 3243 | asection *sec; |
075d7359 | 3244 | |
c477527c ILT |
3245 | h->type = bfd_link_hash_defined; |
3246 | ||
3247 | sec = bfd_get_section_by_name (output_bfd, secname); | |
3248 | if (sec == (asection *) NULL) | |
3249 | h->u.def.value = 0; | |
075d7359 | 3250 | else |
c477527c ILT |
3251 | h->u.def.value = bfd_get_section_vma (output_bfd, sec); |
3252 | ||
686739e2 | 3253 | h->u.def.section = bfd_abs_section_ptr; |
9f32f7c2 | 3254 | } |
8cb5eb31 SC |
3255 | } |
3256 | ||
9f32f7c2 SC |
3257 | /* |
3258 | Create an absolute symbol with the given name with the value of the | |
3259 | address of the first byte after the end of the section named. | |
3260 | ||
3261 | If the symbol already exists, then do nothing. | |
3262 | */ | |
2fa0b342 | 3263 | void |
c477527c ILT |
3264 | lang_abs_symbol_at_end_of (secname, name) |
3265 | const char *secname; | |
3266 | const char *name; | |
075d7359 | 3267 | { |
c477527c ILT |
3268 | struct bfd_link_hash_entry *h; |
3269 | ||
3270 | h = bfd_link_hash_lookup (link_info.hash, name, true, true, true); | |
3271 | if (h == (struct bfd_link_hash_entry *) NULL) | |
3272 | einfo ("%P%F: bfd_link_hash_lookup failed: %E\n"); | |
3273 | ||
3274 | if (h->type == bfd_link_hash_new | |
3275 | || h->type == bfd_link_hash_undefined) | |
075d7359 | 3276 | { |
c477527c | 3277 | asection *sec; |
075d7359 | 3278 | |
c477527c | 3279 | h->type = bfd_link_hash_defined; |
075d7359 | 3280 | |
c477527c ILT |
3281 | sec = bfd_get_section_by_name (output_bfd, secname); |
3282 | if (sec == (asection *) NULL) | |
3283 | h->u.def.value = 0; | |
075d7359 | 3284 | else |
c477527c ILT |
3285 | h->u.def.value = (bfd_get_section_vma (output_bfd, sec) |
3286 | + bfd_section_size (output_bfd, sec)); | |
3287 | ||
686739e2 | 3288 | h->u.def.section = bfd_abs_section_ptr; |
9f32f7c2 | 3289 | } |
2fa0b342 DHW |
3290 | } |
3291 | ||
075d7359 | 3292 | void |
8ddef552 DM |
3293 | lang_statement_append (list, element, field) |
3294 | lang_statement_list_type * list; | |
3295 | lang_statement_union_type * element; | |
3296 | lang_statement_union_type ** field; | |
2fa0b342 DHW |
3297 | { |
3298 | *(list->tail) = element; | |
3299 | list->tail = field; | |
3300 | } | |
3301 | ||
173a0c3d | 3302 | /* Set the output format type. -oformat overrides scripts. */ |
6a02a973 | 3303 | |
097879bc | 3304 | void |
6a02a973 ILT |
3305 | lang_add_output_format (format, big, little, from_script) |
3306 | const char *format; | |
3307 | const char *big; | |
3308 | const char *little; | |
173a0c3d | 3309 | int from_script; |
097879bc | 3310 | { |
2c6635a4 | 3311 | if (output_target == NULL || !from_script) |
6a02a973 ILT |
3312 | { |
3313 | if (command_line.endian == ENDIAN_BIG | |
3314 | && big != NULL) | |
3315 | format = big; | |
3316 | else if (command_line.endian == ENDIAN_LITTLE | |
3317 | && little != NULL) | |
3318 | format = little; | |
3319 | ||
3320 | output_target = format; | |
3321 | } | |
097879bc | 3322 | } |
309c8153 ILT |
3323 | |
3324 | /* Enter a group. This creates a new lang_group_statement, and sets | |
3325 | stat_ptr to build new statements within the group. */ | |
3326 | ||
3327 | void | |
3328 | lang_enter_group () | |
3329 | { | |
3330 | lang_group_statement_type *g; | |
3331 | ||
3332 | g = new_stat (lang_group_statement, stat_ptr); | |
3333 | lang_list_init (&g->children); | |
3334 | stat_ptr = &g->children; | |
3335 | } | |
3336 | ||
3337 | /* Leave a group. This just resets stat_ptr to start writing to the | |
3338 | regular list of statements again. Note that this will not work if | |
3339 | groups can occur inside anything else which can adjust stat_ptr, | |
3340 | but currently they can't. */ | |
3341 | ||
3342 | void | |
3343 | lang_leave_group () | |
3344 | { | |
3345 | stat_ptr = &statement_list; | |
3346 | } | |
061e65f8 ILT |
3347 | |
3348 | /* Add a new program header. This is called for each entry in a PHDRS | |
3349 | command in a linker script. */ | |
3350 | ||
3351 | void | |
708f7fbc | 3352 | lang_new_phdr (name, type, filehdr, phdrs, at, flags) |
061e65f8 ILT |
3353 | const char *name; |
3354 | etree_type *type; | |
708f7fbc ILT |
3355 | boolean filehdr; |
3356 | boolean phdrs; | |
061e65f8 | 3357 | etree_type *at; |
708f7fbc | 3358 | etree_type *flags; |
061e65f8 ILT |
3359 | { |
3360 | struct lang_phdr *n, **pp; | |
3361 | ||
3362 | n = (struct lang_phdr *) stat_alloc (sizeof (struct lang_phdr)); | |
3363 | n->next = NULL; | |
3364 | n->name = name; | |
3365 | n->type = exp_get_value_int (type, 0, "program header type", | |
3366 | lang_final_phase_enum); | |
708f7fbc ILT |
3367 | n->filehdr = filehdr; |
3368 | n->phdrs = phdrs; | |
061e65f8 | 3369 | n->at = at; |
708f7fbc | 3370 | n->flags = flags; |
061e65f8 ILT |
3371 | |
3372 | for (pp = &lang_phdr_list; *pp != NULL; pp = &(*pp)->next) | |
3373 | ; | |
3374 | *pp = n; | |
3375 | } | |
3376 | ||
3377 | /* Record that a section should be placed in a phdr. */ | |
3378 | ||
3379 | void | |
3380 | lang_section_in_phdr (name) | |
3381 | const char *name; | |
3382 | { | |
3383 | struct lang_output_section_phdr_list *n; | |
3384 | ||
3385 | n = ((struct lang_output_section_phdr_list *) | |
3386 | stat_alloc (sizeof (struct lang_output_section_phdr_list))); | |
3387 | n->name = name; | |
3388 | n->used = false; | |
3389 | n->next = current_section->phdrs; | |
3390 | current_section->phdrs = n; | |
3391 | } | |
3392 | ||
3393 | /* Record the program header information in the output BFD. FIXME: We | |
3394 | should not be calling an ELF specific function here. */ | |
3395 | ||
3396 | static void | |
3397 | lang_record_phdrs () | |
3398 | { | |
3399 | unsigned int alc; | |
3400 | asection **secs; | |
3401 | struct lang_output_section_phdr_list *last; | |
3402 | struct lang_phdr *l; | |
3403 | lang_statement_union_type *u; | |
3404 | ||
3405 | alc = 10; | |
3406 | secs = xmalloc (alc * sizeof (asection *)); | |
3407 | last = NULL; | |
3408 | for (l = lang_phdr_list; l != NULL; l = l->next) | |
3409 | { | |
3410 | unsigned int c; | |
708f7fbc | 3411 | flagword flags; |
061e65f8 ILT |
3412 | bfd_vma at; |
3413 | ||
3414 | c = 0; | |
3415 | for (u = lang_output_section_statement.head; | |
3416 | u != NULL; | |
3417 | u = u->output_section_statement.next) | |
3418 | { | |
3419 | lang_output_section_statement_type *os; | |
3420 | struct lang_output_section_phdr_list *pl; | |
3421 | ||
3422 | os = &u->output_section_statement; | |
3423 | ||
708f7fbc | 3424 | pl = os->phdrs; |
061e65f8 ILT |
3425 | if (pl != NULL) |
3426 | last = pl; | |
3427 | else | |
3428 | { | |
3429 | if (! os->loadable | |
3430 | || os->bfd_section == NULL | |
3431 | || (os->bfd_section->flags & SEC_ALLOC) == 0) | |
3432 | continue; | |
3433 | pl = last; | |
3434 | } | |
3435 | ||
3436 | if (os->bfd_section == NULL) | |
3437 | continue; | |
3438 | ||
3439 | for (; pl != NULL; pl = pl->next) | |
3440 | { | |
3441 | if (strcmp (pl->name, l->name) == 0) | |
3442 | { | |
3443 | if (c >= alc) | |
3444 | { | |
3445 | alc *= 2; | |
3446 | secs = xrealloc (secs, alc * sizeof (asection *)); | |
3447 | } | |
3448 | secs[c] = os->bfd_section; | |
3449 | ++c; | |
3450 | pl->used = true; | |
3451 | } | |
3452 | } | |
3453 | } | |
3454 | ||
708f7fbc ILT |
3455 | if (l->flags == NULL) |
3456 | flags = 0; | |
3457 | else | |
3458 | flags = exp_get_vma (l->flags, 0, "phdr flags", | |
3459 | lang_final_phase_enum); | |
3460 | ||
061e65f8 ILT |
3461 | if (l->at == NULL) |
3462 | at = 0; | |
3463 | else | |
3464 | at = exp_get_vma (l->at, 0, "phdr load address", | |
3465 | lang_final_phase_enum); | |
708f7fbc ILT |
3466 | |
3467 | if (! bfd_record_phdr (output_bfd, l->type, | |
3468 | l->flags == NULL ? false : true, | |
3469 | flags, | |
061e65f8 | 3470 | l->at == NULL ? false : true, |
708f7fbc | 3471 | at, l->filehdr, l->phdrs, c, secs)) |
061e65f8 ILT |
3472 | einfo ("%F%P: bfd_record_phdr failed: %E\n"); |
3473 | } | |
3474 | ||
3475 | free (secs); | |
3476 | ||
3477 | /* Make sure all the phdr assignments succeeded. */ | |
3478 | for (u = lang_output_section_statement.head; | |
3479 | u != NULL; | |
3480 | u = u->output_section_statement.next) | |
3481 | { | |
3482 | struct lang_output_section_phdr_list *pl; | |
3483 | ||
3484 | if (u->output_section_statement.bfd_section == NULL) | |
3485 | continue; | |
3486 | ||
3487 | for (pl = u->output_section_statement.phdrs; | |
3488 | pl != NULL; | |
3489 | pl = pl->next) | |
3490 | if (! pl->used && strcmp (pl->name, "NONE") != 0) | |
3491 | einfo ("%X%P: section `%s' assigned to non-existent phdr `%s'\n", | |
3492 | u->output_section_statement.name, pl->name); | |
3493 | } | |
3494 | } |