Commit | Line | Data |
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252b5132 | 1 | /* BFD COFF object file private structure. |
2571583a | 2 | Copyright (C) 1990-2017 Free Software Foundation, Inc. |
252b5132 RH |
3 | Written by Cygnus Support. |
4 | ||
7920ce38 | 5 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 6 | |
7920ce38 NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 9 | the Free Software Foundation; either version 3 of the License, or |
7920ce38 | 10 | (at your option) any later version. |
252b5132 | 11 | |
7920ce38 NC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
252b5132 | 16 | |
7920ce38 NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | MA 02110-1301, USA. */ | |
252b5132 RH |
21 | |
22 | #include "bfdlink.h" | |
f4943d82 | 23 | #include "coff-bfd.h" |
252b5132 | 24 | |
55172d69 PA |
25 | #ifdef __cplusplus |
26 | extern "C" { | |
27 | #endif | |
28 | ||
7920ce38 NC |
29 | /* Object file tdata; access macros. */ |
30 | ||
31 | #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) | |
07d6d2b8 | 32 | #define obj_pe(bfd) (coff_data (bfd)->pe) |
7920ce38 NC |
33 | #define obj_symbols(bfd) (coff_data (bfd)->symbols) |
34 | #define obj_sym_filepos(bfd) (coff_data (bfd)->sym_filepos) | |
35 | #define obj_relocbase(bfd) (coff_data (bfd)->relocbase) | |
36 | #define obj_raw_syments(bfd) (coff_data (bfd)->raw_syments) | |
37 | #define obj_raw_syment_count(bfd) (coff_data (bfd)->raw_syment_count) | |
38 | #define obj_convert(bfd) (coff_data (bfd)->conversion_table) | |
39 | #define obj_conv_table_size(bfd) (coff_data (bfd)->conv_table_size) | |
40 | #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) | |
41 | #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) | |
42 | #define obj_coff_strings(bfd) (coff_data (bfd)->strings) | |
5a3f568b | 43 | #define obj_coff_strings_len(bfd) (coff_data (bfd)->strings_len) |
7920ce38 NC |
44 | #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings) |
45 | #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes) | |
d71f672e | 46 | #define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written) |
7920ce38 | 47 | #define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map) |
252b5132 RH |
48 | |
49 | /* `Tdata' information kept for COFF files. */ | |
50 | ||
51 | typedef struct coff_tdata | |
52 | { | |
7920ce38 | 53 | struct coff_symbol_struct *symbols; /* Symtab for input bfd. */ |
252b5132 RH |
54 | unsigned int *conversion_table; |
55 | int conv_table_size; | |
56 | file_ptr sym_filepos; | |
57 | ||
58 | struct coff_ptr_struct *raw_syments; | |
00692651 | 59 | unsigned long raw_syment_count; |
252b5132 | 60 | |
7920ce38 | 61 | /* These are only valid once writing has begun. */ |
bad1a9f7 | 62 | unsigned long int relocbase; |
252b5132 RH |
63 | |
64 | /* These members communicate important constants about the symbol table | |
65 | to GDB's symbol-reading code. These `constants' unfortunately vary | |
66 | from coff implementation to implementation... */ | |
67 | unsigned local_n_btmask; | |
68 | unsigned local_n_btshft; | |
69 | unsigned local_n_tmask; | |
70 | unsigned local_n_tshift; | |
71 | unsigned local_symesz; | |
72 | unsigned local_auxesz; | |
73 | unsigned local_linesz; | |
74 | ||
75 | /* The unswapped external symbols. May be NULL. Read by | |
76 | _bfd_coff_get_external_symbols. */ | |
7920ce38 | 77 | void * external_syms; |
b34976b6 AM |
78 | /* If this is TRUE, the external_syms may not be freed. */ |
79 | bfd_boolean keep_syms; | |
252b5132 RH |
80 | |
81 | /* The string table. May be NULL. Read by | |
82 | _bfd_coff_read_string_table. */ | |
83 | char *strings; | |
5a3f568b NC |
84 | /* The length of the strings table. For error checking. */ |
85 | bfd_size_type strings_len; | |
b34976b6 AM |
86 | /* If this is TRUE, the strings may not be freed. */ |
87 | bfd_boolean keep_strings; | |
88 | /* If this is TRUE, the strings have been written out already. */ | |
89 | bfd_boolean strings_written; | |
252b5132 | 90 | |
7920ce38 | 91 | /* Is this a PE format coff file? */ |
252b5132 RH |
92 | int pe; |
93 | /* Used by the COFF backend linker. */ | |
94 | struct coff_link_hash_entry **sym_hashes; | |
95 | ||
7920ce38 | 96 | /* Used by the pe linker for PowerPC. */ |
252b5132 RH |
97 | int *local_toc_sym_map; |
98 | ||
99 | struct bfd_link_info *link_info; | |
100 | ||
101 | /* Used by coff_find_nearest_line. */ | |
7920ce38 | 102 | void * line_info; |
252b5132 | 103 | |
7920ce38 NC |
104 | /* A place to stash dwarf2 info for this bfd. */ |
105 | void * dwarf2_find_line_info; | |
51db3708 | 106 | |
00692651 ILT |
107 | /* The timestamp from the COFF file header. */ |
108 | long timestamp; | |
109 | ||
252b5132 RH |
110 | /* Copy of some of the f_flags bits in the COFF filehdr structure, |
111 | used by ARM code. */ | |
112 | flagword flags; | |
113 | ||
9bf609ec JK |
114 | /* coff-stgo32 EXE stub header after BFD tdata has been allocated. Its data |
115 | is kept in internal_filehdr.go32stub beforehand. */ | |
116 | char *go32stub; | |
252b5132 RH |
117 | } coff_data_type; |
118 | ||
7920ce38 | 119 | /* Tdata for pe image files. */ |
252b5132 RH |
120 | typedef struct pe_tdata |
121 | { | |
122 | coff_data_type coff; | |
123 | struct internal_extra_pe_aouthdr pe_opthdr; | |
124 | int dll; | |
125 | int has_reloc_section; | |
441f34fa | 126 | int dont_strip_reloc; |
0cb112f7 | 127 | bfd_boolean insert_timestamp; |
7920ce38 | 128 | bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); |
252b5132 | 129 | flagword real_flags; |
61e2488c JT |
130 | |
131 | /* Build-id info. */ | |
132 | struct | |
133 | { | |
134 | bfd_boolean (*after_write_object_contents) (bfd *); | |
135 | const char *style; | |
136 | asection *sec; | |
137 | } build_id; | |
252b5132 RH |
138 | } pe_data_type; |
139 | ||
140 | #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) | |
141 | ||
142 | /* Tdata for XCOFF files. */ | |
143 | ||
144 | struct xcoff_tdata | |
145 | { | |
146 | /* Basic COFF information. */ | |
147 | coff_data_type coff; | |
148 | ||
b34976b6 AM |
149 | /* TRUE if this is an XCOFF64 file. */ |
150 | bfd_boolean xcoff64; | |
a2fdf270 | 151 | |
b34976b6 AM |
152 | /* TRUE if a large a.out header should be generated. */ |
153 | bfd_boolean full_aouthdr; | |
252b5132 RH |
154 | |
155 | /* TOC value. */ | |
156 | bfd_vma toc; | |
157 | ||
158 | /* Index of section holding TOC. */ | |
159 | int sntoc; | |
160 | ||
161 | /* Index of section holding entry point. */ | |
162 | int snentry; | |
163 | ||
164 | /* .text alignment from optional header. */ | |
165 | int text_align_power; | |
166 | ||
167 | /* .data alignment from optional header. */ | |
168 | int data_align_power; | |
169 | ||
170 | /* modtype from optional header. */ | |
171 | short modtype; | |
172 | ||
173 | /* cputype from optional header. */ | |
174 | short cputype; | |
175 | ||
176 | /* maxdata from optional header. */ | |
beb1bf64 | 177 | bfd_vma maxdata; |
252b5132 RH |
178 | |
179 | /* maxstack from optional header. */ | |
beb1bf64 | 180 | bfd_vma maxstack; |
252b5132 RH |
181 | |
182 | /* Used by the XCOFF backend linker. */ | |
183 | asection **csects; | |
e450936a | 184 | long *debug_indices; |
3df13c4a | 185 | unsigned int *lineno_counts; |
252b5132 RH |
186 | unsigned int import_file_id; |
187 | }; | |
188 | ||
189 | #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) | |
190 | ||
08da05b0 | 191 | /* We take the address of the first element of an asymbol to ensure that the |
7920ce38 | 192 | macro is only ever applied to an asymbol. */ |
252b5132 RH |
193 | #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) |
194 | ||
252b5132 RH |
195 | /* Tdata for sections in XCOFF files. This is used by the linker. */ |
196 | ||
197 | struct xcoff_section_tdata | |
198 | { | |
199 | /* Used for XCOFF csects created by the linker; points to the real | |
200 | XCOFF section which contains this csect. */ | |
201 | asection *enclosing; | |
202 | /* The lineno_count field for the enclosing section, because we are | |
203 | going to clobber it there. */ | |
204 | unsigned int lineno_count; | |
4cc02a02 | 205 | /* The first and last symbol indices for symbols used by this csect. */ |
252b5132 RH |
206 | unsigned long first_symndx; |
207 | unsigned long last_symndx; | |
208 | }; | |
209 | ||
210 | /* An accessor macro the xcoff_section_tdata structure. */ | |
211 | #define xcoff_section_data(abfd, sec) \ | |
212 | ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) | |
213 | ||
8d3ad4e1 | 214 | /* Tdata for sections in PE files. */ |
252b5132 RH |
215 | |
216 | struct pei_section_tdata | |
217 | { | |
218 | /* The virtual size of the section. */ | |
219 | bfd_size_type virt_size; | |
8d3ad4e1 ILT |
220 | /* The PE section flags. */ |
221 | long pe_flags; | |
252b5132 RH |
222 | }; |
223 | ||
224 | /* An accessor macro for the pei_section_tdata structure. */ | |
225 | #define pei_section_data(abfd, sec) \ | |
226 | ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata) | |
227 | ||
228 | /* COFF linker hash table entries. */ | |
229 | ||
230 | struct coff_link_hash_entry | |
231 | { | |
232 | struct bfd_link_hash_entry root; | |
233 | ||
234 | /* Symbol index in output file. Set to -1 initially. Set to -2 if | |
235 | there is a reloc against this symbol. */ | |
236 | long indx; | |
237 | ||
238 | /* Symbol type. */ | |
239 | unsigned short type; | |
240 | ||
241 | /* Symbol class. */ | |
96d56e9f | 242 | unsigned char symbol_class; |
252b5132 RH |
243 | |
244 | /* Number of auxiliary entries. */ | |
245 | char numaux; | |
246 | ||
247 | /* BFD to take auxiliary entries from. */ | |
248 | bfd *auxbfd; | |
249 | ||
250 | /* Pointer to array of auxiliary entries, if any. */ | |
251 | union internal_auxent *aux; | |
7fd9c191 ILT |
252 | |
253 | /* Flag word; legal values follow. */ | |
254 | unsigned short coff_link_hash_flags; | |
255 | /* Symbol is a PE section symbol. */ | |
256 | #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) | |
252b5132 RH |
257 | }; |
258 | ||
259 | /* COFF linker hash table. */ | |
260 | ||
261 | struct coff_link_hash_table | |
262 | { | |
263 | struct bfd_link_hash_table root; | |
264 | /* A pointer to information used to link stabs in sections. */ | |
3722b82f | 265 | struct stab_info stab_info; |
252b5132 RH |
266 | }; |
267 | ||
0f088b2a KT |
268 | struct coff_reloc_cookie |
269 | { | |
07d6d2b8 AM |
270 | struct internal_reloc * rels; |
271 | struct internal_reloc * rel; | |
272 | struct internal_reloc * relend; | |
273 | struct coff_symbol_struct * symbols; /* Symtab for input bfd. */ | |
274 | bfd * abfd; | |
0f088b2a KT |
275 | struct coff_link_hash_entry ** sym_hashes; |
276 | }; | |
277 | ||
252b5132 RH |
278 | /* Look up an entry in a COFF linker hash table. */ |
279 | ||
280 | #define coff_link_hash_lookup(table, string, create, copy, follow) \ | |
281 | ((struct coff_link_hash_entry *) \ | |
282 | bfd_link_hash_lookup (&(table)->root, (string), (create), \ | |
283 | (copy), (follow))) | |
284 | ||
285 | /* Traverse a COFF linker hash table. */ | |
286 | ||
287 | #define coff_link_hash_traverse(table, func, info) \ | |
288 | (bfd_link_hash_traverse \ | |
289 | (&(table)->root, \ | |
7920ce38 | 290 | (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \ |
252b5132 RH |
291 | (info))) |
292 | ||
293 | /* Get the COFF linker hash table from a link_info structure. */ | |
294 | ||
295 | #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash)) | |
296 | ||
297 | /* Functions in coffgen.c. */ | |
dc810e39 | 298 | extern const bfd_target *coff_object_p |
7920ce38 | 299 | (bfd *); |
198beae2 | 300 | extern struct bfd_section *coff_section_from_bfd_index |
7920ce38 | 301 | (bfd *, int); |
dc810e39 | 302 | extern long coff_get_symtab_upper_bound |
7920ce38 | 303 | (bfd *); |
6cee3f79 | 304 | extern long coff_canonicalize_symtab |
7920ce38 | 305 | (bfd *, asymbol **); |
dc810e39 | 306 | extern int coff_count_linenumbers |
7920ce38 | 307 | (bfd *); |
b34976b6 | 308 | extern bfd_boolean coff_renumber_symbols |
7920ce38 | 309 | (bfd *, int *); |
dc810e39 | 310 | extern void coff_mangle_symbols |
7920ce38 | 311 | (bfd *); |
b34976b6 | 312 | extern bfd_boolean coff_write_symbols |
7920ce38 | 313 | (bfd *); |
e7ebb214 | 314 | extern bfd_boolean coff_write_alien_symbol |
270f8245 JB |
315 | (bfd *, asymbol *, struct internal_syment *, union internal_auxent *, |
316 | bfd_vma *, bfd_size_type *, asection **, bfd_size_type *); | |
b34976b6 | 317 | extern bfd_boolean coff_write_linenumbers |
7920ce38 | 318 | (bfd *); |
dc810e39 | 319 | extern alent *coff_get_lineno |
7920ce38 | 320 | (bfd *, asymbol *); |
dc810e39 | 321 | extern asymbol *coff_section_symbol |
7920ce38 | 322 | (bfd *, char *); |
b34976b6 | 323 | extern bfd_boolean _bfd_coff_get_external_symbols |
7920ce38 | 324 | (bfd *); |
dc810e39 | 325 | extern const char *_bfd_coff_read_string_table |
7920ce38 | 326 | (bfd *); |
b34976b6 | 327 | extern bfd_boolean _bfd_coff_free_symbols |
7920ce38 | 328 | (bfd *); |
dc810e39 | 329 | extern struct coff_ptr_struct *coff_get_normalized_symtab |
7920ce38 | 330 | (bfd *); |
dc810e39 | 331 | extern long coff_get_reloc_upper_bound |
7920ce38 | 332 | (bfd *, sec_ptr); |
dc810e39 | 333 | extern asymbol *coff_make_empty_symbol |
7920ce38 | 334 | (bfd *); |
dc810e39 | 335 | extern void coff_print_symbol |
7920ce38 | 336 | (bfd *, void * filep, asymbol *, bfd_print_symbol_type); |
dc810e39 | 337 | extern void coff_get_symbol_info |
7920ce38 | 338 | (bfd *, asymbol *, symbol_info *ret); |
60bb06bc L |
339 | #define coff_get_symbol_version_string \ |
340 | _bfd_nosymbols_get_symbol_version_string | |
b34976b6 | 341 | extern bfd_boolean _bfd_coff_is_local_label_name |
7920ce38 | 342 | (bfd *, const char *); |
dc810e39 | 343 | extern asymbol *coff_bfd_make_debug_symbol |
7920ce38 | 344 | (bfd *, void *, unsigned long); |
b34976b6 | 345 | extern bfd_boolean coff_find_nearest_line |
fb167eb2 AM |
346 | (bfd *, asymbol **, asection *, bfd_vma, |
347 | const char **, const char **, unsigned int *, unsigned int *); | |
9c461f7d | 348 | #define coff_find_line _bfd_nosymbols_find_line |
fc28f9aa TG |
349 | struct dwarf_debug_section; |
350 | extern bfd_boolean coff_find_nearest_line_with_names | |
fb167eb2 AM |
351 | (bfd *, asymbol **, asection *, bfd_vma, const char **, const char **, |
352 | unsigned int *, const struct dwarf_debug_section *); | |
4ab527b0 FF |
353 | extern bfd_boolean coff_find_inliner_info |
354 | (bfd *, const char **, const char **, unsigned int *); | |
dc810e39 | 355 | extern int coff_sizeof_headers |
a6b96beb | 356 | (bfd *, struct bfd_link_info *); |
b34976b6 | 357 | extern bfd_boolean bfd_coff_reloc16_relax_section |
7920ce38 | 358 | (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); |
252b5132 | 359 | extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents |
7920ce38 NC |
360 | (bfd *, struct bfd_link_info *, struct bfd_link_order *, |
361 | bfd_byte *, bfd_boolean, asymbol **); | |
dc810e39 | 362 | extern bfd_vma bfd_coff_reloc16_get_value |
7920ce38 | 363 | (arelent *, struct bfd_link_info *, asection *); |
dc810e39 | 364 | extern void bfd_perform_slip |
7920ce38 | 365 | (bfd *, unsigned int, asection *, bfd_vma); |
252b5132 RH |
366 | |
367 | /* Functions and types in cofflink.c. */ | |
368 | ||
116c20d2 | 369 | #define STRING_SIZE_SIZE 4 |
252b5132 RH |
370 | |
371 | /* We use a hash table to merge identical enum, struct, and union | |
372 | definitions in the linker. */ | |
373 | ||
374 | /* Information we keep for a single element (an enum value, a | |
375 | structure or union field) in the debug merge hash table. */ | |
376 | ||
377 | struct coff_debug_merge_element | |
378 | { | |
379 | /* Next element. */ | |
380 | struct coff_debug_merge_element *next; | |
381 | ||
382 | /* Name. */ | |
383 | const char *name; | |
384 | ||
385 | /* Type. */ | |
386 | unsigned int type; | |
387 | ||
388 | /* Symbol index for complex type. */ | |
389 | long tagndx; | |
390 | }; | |
391 | ||
392 | /* A linked list of debug merge entries for a given name. */ | |
393 | ||
394 | struct coff_debug_merge_type | |
395 | { | |
396 | /* Next type with the same name. */ | |
397 | struct coff_debug_merge_type *next; | |
398 | ||
399 | /* Class of type. */ | |
96d56e9f | 400 | int type_class; |
252b5132 RH |
401 | |
402 | /* Symbol index where this type is defined. */ | |
403 | long indx; | |
404 | ||
405 | /* List of elements. */ | |
406 | struct coff_debug_merge_element *elements; | |
407 | }; | |
408 | ||
409 | /* Information we store in the debug merge hash table. */ | |
410 | ||
411 | struct coff_debug_merge_hash_entry | |
412 | { | |
413 | struct bfd_hash_entry root; | |
414 | ||
415 | /* A list of types with this name. */ | |
416 | struct coff_debug_merge_type *types; | |
417 | }; | |
418 | ||
419 | /* The debug merge hash table. */ | |
420 | ||
421 | struct coff_debug_merge_hash_table | |
422 | { | |
423 | struct bfd_hash_table root; | |
424 | }; | |
425 | ||
426 | /* Initialize a COFF debug merge hash table. */ | |
427 | ||
428 | #define coff_debug_merge_hash_table_init(table) \ | |
66eb6687 AM |
429 | (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ |
430 | sizeof (struct coff_debug_merge_hash_entry))) | |
252b5132 RH |
431 | |
432 | /* Free a COFF debug merge hash table. */ | |
433 | ||
434 | #define coff_debug_merge_hash_table_free(table) \ | |
435 | (bfd_hash_table_free (&(table)->root)) | |
436 | ||
437 | /* Look up an entry in a COFF debug merge hash table. */ | |
438 | ||
439 | #define coff_debug_merge_hash_lookup(table, string, create, copy) \ | |
440 | ((struct coff_debug_merge_hash_entry *) \ | |
441 | bfd_hash_lookup (&(table)->root, (string), (create), (copy))) | |
442 | ||
443 | /* Information we keep for each section in the output file when doing | |
1049f94e | 444 | a relocatable link. */ |
252b5132 RH |
445 | |
446 | struct coff_link_section_info | |
447 | { | |
448 | /* The relocs to be output. */ | |
449 | struct internal_reloc *relocs; | |
450 | /* For each reloc against a global symbol whose index was not known | |
451 | when the reloc was handled, the global hash table entry. */ | |
452 | struct coff_link_hash_entry **rel_hashes; | |
453 | }; | |
454 | ||
455 | /* Information that we pass around while doing the final link step. */ | |
456 | ||
457 | struct coff_final_link_info | |
458 | { | |
459 | /* General link information. */ | |
460 | struct bfd_link_info *info; | |
461 | /* Output BFD. */ | |
462 | bfd *output_bfd; | |
463 | /* Used to indicate failure in traversal routine. */ | |
b34976b6 | 464 | bfd_boolean failed; |
252b5132 RH |
465 | /* If doing "task linking" set only during the time when we want the |
466 | global symbol writer to convert the storage class of defined global | |
467 | symbols from global to static. */ | |
b34976b6 | 468 | bfd_boolean global_to_static; |
252b5132 RH |
469 | /* Hash table for long symbol names. */ |
470 | struct bfd_strtab_hash *strtab; | |
1049f94e | 471 | /* When doing a relocatable link, an array of information kept for |
252b5132 RH |
472 | each output section, indexed by the target_index field. */ |
473 | struct coff_link_section_info *section_info; | |
474 | /* Symbol index of last C_FILE symbol (-1 if none). */ | |
475 | long last_file_index; | |
476 | /* Contents of last C_FILE symbol. */ | |
477 | struct internal_syment last_file; | |
478 | /* Symbol index of first aux entry of last .bf symbol with an empty | |
479 | endndx field (-1 if none). */ | |
480 | long last_bf_index; | |
481 | /* Contents of last_bf_index aux entry. */ | |
482 | union internal_auxent last_bf; | |
483 | /* Hash table used to merge debug information. */ | |
484 | struct coff_debug_merge_hash_table debug_merge; | |
485 | /* Buffer large enough to hold swapped symbols of any input file. */ | |
486 | struct internal_syment *internal_syms; | |
487 | /* Buffer large enough to hold sections of symbols of any input file. */ | |
488 | asection **sec_ptrs; | |
489 | /* Buffer large enough to hold output indices of symbols of any | |
490 | input file. */ | |
491 | long *sym_indices; | |
492 | /* Buffer large enough to hold output symbols for any input file. */ | |
493 | bfd_byte *outsyms; | |
494 | /* Buffer large enough to hold external line numbers for any input | |
495 | section. */ | |
496 | bfd_byte *linenos; | |
497 | /* Buffer large enough to hold any input section. */ | |
498 | bfd_byte *contents; | |
499 | /* Buffer large enough to hold external relocs of any input section. */ | |
500 | bfd_byte *external_relocs; | |
501 | /* Buffer large enough to hold swapped relocs of any input section. */ | |
502 | struct internal_reloc *internal_relocs; | |
503 | }; | |
504 | ||
5dccc1dd ILT |
505 | /* Most COFF variants have no way to record the alignment of a |
506 | section. This struct is used to set a specific alignment based on | |
507 | the name of the section. */ | |
508 | ||
509 | struct coff_section_alignment_entry | |
510 | { | |
511 | /* The section name. */ | |
512 | const char *name; | |
513 | ||
514 | /* This is either (unsigned int) -1, indicating that the section | |
515 | name must match exactly, or it is the number of letters which | |
516 | must match at the start of the name. */ | |
517 | unsigned int comparison_length; | |
518 | ||
519 | /* These macros may be used to fill in the first two fields in a | |
520 | structure initialization. */ | |
521 | #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) | |
522 | #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) | |
523 | ||
524 | /* Only use this entry if the default section alignment for this | |
525 | target is at least that much (as a power of two). If this field | |
526 | is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ | |
527 | unsigned int default_alignment_min; | |
528 | ||
529 | /* Only use this entry if the default section alignment for this | |
530 | target is no greater than this (as a power of two). If this | |
531 | field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ | |
532 | unsigned int default_alignment_max; | |
533 | ||
534 | #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) | |
535 | ||
536 | /* The desired alignment for this section (as a power of two). */ | |
537 | unsigned int alignment_power; | |
538 | }; | |
539 | ||
252b5132 | 540 | extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc |
7920ce38 | 541 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
b34976b6 | 542 | extern bfd_boolean _bfd_coff_link_hash_table_init |
7920ce38 NC |
543 | (struct coff_link_hash_table *, bfd *, |
544 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
545 | struct bfd_hash_table *, | |
66eb6687 AM |
546 | const char *), |
547 | unsigned int); | |
252b5132 | 548 | extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create |
7920ce38 | 549 | (bfd *); |
252b5132 | 550 | extern const char *_bfd_coff_internal_syment_name |
7920ce38 | 551 | (bfd *, const struct internal_syment *, char *); |
c77ec726 AM |
552 | extern bfd_boolean _bfd_coff_section_already_linked |
553 | (bfd *, asection *, struct bfd_link_info *); | |
b34976b6 | 554 | extern bfd_boolean _bfd_coff_link_add_symbols |
7920ce38 | 555 | (bfd *, struct bfd_link_info *); |
b34976b6 | 556 | extern bfd_boolean _bfd_coff_final_link |
7920ce38 | 557 | (bfd *, struct bfd_link_info *); |
252b5132 | 558 | extern struct internal_reloc *_bfd_coff_read_internal_relocs |
7920ce38 NC |
559 | (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, |
560 | struct internal_reloc *); | |
b34976b6 | 561 | extern bfd_boolean _bfd_coff_generic_relocate_section |
7920ce38 NC |
562 | (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
563 | struct internal_reloc *, struct internal_syment *, asection **); | |
252b5132 | 564 | extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc |
7920ce38 | 565 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
b34976b6 | 566 | extern bfd_boolean _bfd_coff_write_global_sym |
7686d77d | 567 | (struct bfd_hash_entry *, void *); |
b34976b6 | 568 | extern bfd_boolean _bfd_coff_write_task_globals |
7920ce38 | 569 | (struct coff_link_hash_entry *, void *); |
b34976b6 | 570 | extern bfd_boolean _bfd_coff_link_input_bfd |
7920ce38 | 571 | (struct coff_final_link_info *, bfd *); |
b34976b6 | 572 | extern bfd_boolean _bfd_coff_reloc_link_order |
7920ce38 NC |
573 | (bfd *, struct coff_final_link_info *, asection *, |
574 | struct bfd_link_order *); | |
0f088b2a KT |
575 | extern bfd_boolean bfd_coff_gc_sections |
576 | (bfd *, struct bfd_link_info *); | |
252b5132 RH |
577 | |
578 | ||
579 | #define coff_get_section_contents_in_window \ | |
580 | _bfd_generic_get_section_contents_in_window | |
581 | ||
582 | /* Functions in xcofflink.c. */ | |
583 | ||
dc810e39 | 584 | extern long _bfd_xcoff_get_dynamic_symtab_upper_bound |
7920ce38 | 585 | (bfd *); |
252b5132 | 586 | extern long _bfd_xcoff_canonicalize_dynamic_symtab |
7920ce38 | 587 | (bfd *, asymbol **); |
dc810e39 | 588 | extern long _bfd_xcoff_get_dynamic_reloc_upper_bound |
7920ce38 | 589 | (bfd *); |
252b5132 | 590 | extern long _bfd_xcoff_canonicalize_dynamic_reloc |
7920ce38 | 591 | (bfd *, arelent **, asymbol **); |
252b5132 | 592 | extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create |
7920ce38 | 593 | (bfd *); |
b34976b6 | 594 | extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols |
7920ce38 | 595 | (bfd *, struct bfd_link_info *); |
b34976b6 | 596 | extern bfd_boolean _bfd_xcoff_bfd_final_link |
7920ce38 | 597 | (bfd *, struct bfd_link_info *); |
3023e3f6 RS |
598 | extern bfd_boolean _bfd_xcoff_define_common_symbol |
599 | (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); | |
b34976b6 | 600 | extern bfd_boolean _bfd_ppc_xcoff_relocate_section |
7920ce38 NC |
601 | (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
602 | struct internal_reloc *, struct internal_syment *, asection **); | |
252b5132 | 603 | |
88183869 | 604 | /* Functions in coff-ppc.c. FIXME: These are called by pe.em in the |
252b5132 RH |
605 | linker, and so should start with bfd and be declared in bfd.h. */ |
606 | ||
b34976b6 | 607 | extern bfd_boolean ppc_allocate_toc_section |
7920ce38 | 608 | (struct bfd_link_info *); |
b34976b6 | 609 | extern bfd_boolean ppc_process_before_allocation |
7920ce38 | 610 | (bfd *, struct bfd_link_info *); |