Commit | Line | Data |
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252b5132 | 1 | /* BFD COFF object file private structure. |
219d1afa | 2 | Copyright (C) 1990-2018 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 | 21 | |
0b439543 AM |
22 | #ifndef _LIBCOFF_H |
23 | #define _LIBCOFF_H 1 | |
24 | ||
252b5132 | 25 | #include "bfdlink.h" |
f4943d82 | 26 | #include "coff-bfd.h" |
252b5132 | 27 | |
55172d69 PA |
28 | #ifdef __cplusplus |
29 | extern "C" { | |
30 | #endif | |
31 | ||
7920ce38 NC |
32 | /* Object file tdata; access macros. */ |
33 | ||
34 | #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) | |
07d6d2b8 | 35 | #define obj_pe(bfd) (coff_data (bfd)->pe) |
7920ce38 NC |
36 | #define obj_symbols(bfd) (coff_data (bfd)->symbols) |
37 | #define obj_sym_filepos(bfd) (coff_data (bfd)->sym_filepos) | |
38 | #define obj_relocbase(bfd) (coff_data (bfd)->relocbase) | |
39 | #define obj_raw_syments(bfd) (coff_data (bfd)->raw_syments) | |
40 | #define obj_raw_syment_count(bfd) (coff_data (bfd)->raw_syment_count) | |
41 | #define obj_convert(bfd) (coff_data (bfd)->conversion_table) | |
42 | #define obj_conv_table_size(bfd) (coff_data (bfd)->conv_table_size) | |
43 | #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) | |
44 | #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) | |
45 | #define obj_coff_strings(bfd) (coff_data (bfd)->strings) | |
5a3f568b | 46 | #define obj_coff_strings_len(bfd) (coff_data (bfd)->strings_len) |
7920ce38 NC |
47 | #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings) |
48 | #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes) | |
d71f672e | 49 | #define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written) |
7920ce38 | 50 | #define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map) |
252b5132 RH |
51 | |
52 | /* `Tdata' information kept for COFF files. */ | |
53 | ||
54 | typedef struct coff_tdata | |
55 | { | |
7920ce38 | 56 | struct coff_symbol_struct *symbols; /* Symtab for input bfd. */ |
252b5132 RH |
57 | unsigned int *conversion_table; |
58 | int conv_table_size; | |
59 | file_ptr sym_filepos; | |
60 | ||
61 | struct coff_ptr_struct *raw_syments; | |
00692651 | 62 | unsigned long raw_syment_count; |
252b5132 | 63 | |
7920ce38 | 64 | /* These are only valid once writing has begun. */ |
bad1a9f7 | 65 | unsigned long int relocbase; |
252b5132 RH |
66 | |
67 | /* These members communicate important constants about the symbol table | |
68 | to GDB's symbol-reading code. These `constants' unfortunately vary | |
69 | from coff implementation to implementation... */ | |
70 | unsigned local_n_btmask; | |
71 | unsigned local_n_btshft; | |
72 | unsigned local_n_tmask; | |
73 | unsigned local_n_tshift; | |
74 | unsigned local_symesz; | |
75 | unsigned local_auxesz; | |
76 | unsigned local_linesz; | |
77 | ||
78 | /* The unswapped external symbols. May be NULL. Read by | |
79 | _bfd_coff_get_external_symbols. */ | |
7920ce38 | 80 | void * external_syms; |
b34976b6 AM |
81 | /* If this is TRUE, the external_syms may not be freed. */ |
82 | bfd_boolean keep_syms; | |
252b5132 RH |
83 | |
84 | /* The string table. May be NULL. Read by | |
85 | _bfd_coff_read_string_table. */ | |
86 | char *strings; | |
5a3f568b NC |
87 | /* The length of the strings table. For error checking. */ |
88 | bfd_size_type strings_len; | |
b34976b6 AM |
89 | /* If this is TRUE, the strings may not be freed. */ |
90 | bfd_boolean keep_strings; | |
91 | /* If this is TRUE, the strings have been written out already. */ | |
92 | bfd_boolean strings_written; | |
252b5132 | 93 | |
7920ce38 | 94 | /* Is this a PE format coff file? */ |
252b5132 RH |
95 | int pe; |
96 | /* Used by the COFF backend linker. */ | |
97 | struct coff_link_hash_entry **sym_hashes; | |
98 | ||
7920ce38 | 99 | /* Used by the pe linker for PowerPC. */ |
252b5132 RH |
100 | int *local_toc_sym_map; |
101 | ||
102 | struct bfd_link_info *link_info; | |
103 | ||
104 | /* Used by coff_find_nearest_line. */ | |
7920ce38 | 105 | void * line_info; |
252b5132 | 106 | |
7920ce38 NC |
107 | /* A place to stash dwarf2 info for this bfd. */ |
108 | void * dwarf2_find_line_info; | |
51db3708 | 109 | |
00692651 ILT |
110 | /* The timestamp from the COFF file header. */ |
111 | long timestamp; | |
112 | ||
252b5132 RH |
113 | /* Copy of some of the f_flags bits in the COFF filehdr structure, |
114 | used by ARM code. */ | |
115 | flagword flags; | |
116 | ||
9bf609ec JK |
117 | /* coff-stgo32 EXE stub header after BFD tdata has been allocated. Its data |
118 | is kept in internal_filehdr.go32stub beforehand. */ | |
119 | char *go32stub; | |
252b5132 RH |
120 | } coff_data_type; |
121 | ||
7920ce38 | 122 | /* Tdata for pe image files. */ |
252b5132 RH |
123 | typedef struct pe_tdata |
124 | { | |
125 | coff_data_type coff; | |
126 | struct internal_extra_pe_aouthdr pe_opthdr; | |
127 | int dll; | |
128 | int has_reloc_section; | |
441f34fa | 129 | int dont_strip_reloc; |
0cb112f7 | 130 | bfd_boolean insert_timestamp; |
7920ce38 | 131 | bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); |
252b5132 | 132 | flagword real_flags; |
61e2488c JT |
133 | |
134 | /* Build-id info. */ | |
135 | struct | |
136 | { | |
137 | bfd_boolean (*after_write_object_contents) (bfd *); | |
138 | const char *style; | |
139 | asection *sec; | |
140 | } build_id; | |
252b5132 RH |
141 | } pe_data_type; |
142 | ||
143 | #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) | |
144 | ||
145 | /* Tdata for XCOFF files. */ | |
146 | ||
147 | struct xcoff_tdata | |
148 | { | |
149 | /* Basic COFF information. */ | |
150 | coff_data_type coff; | |
151 | ||
b34976b6 AM |
152 | /* TRUE if this is an XCOFF64 file. */ |
153 | bfd_boolean xcoff64; | |
a2fdf270 | 154 | |
b34976b6 AM |
155 | /* TRUE if a large a.out header should be generated. */ |
156 | bfd_boolean full_aouthdr; | |
252b5132 RH |
157 | |
158 | /* TOC value. */ | |
159 | bfd_vma toc; | |
160 | ||
161 | /* Index of section holding TOC. */ | |
162 | int sntoc; | |
163 | ||
164 | /* Index of section holding entry point. */ | |
165 | int snentry; | |
166 | ||
167 | /* .text alignment from optional header. */ | |
168 | int text_align_power; | |
169 | ||
170 | /* .data alignment from optional header. */ | |
171 | int data_align_power; | |
172 | ||
173 | /* modtype from optional header. */ | |
174 | short modtype; | |
175 | ||
176 | /* cputype from optional header. */ | |
177 | short cputype; | |
178 | ||
179 | /* maxdata from optional header. */ | |
beb1bf64 | 180 | bfd_vma maxdata; |
252b5132 RH |
181 | |
182 | /* maxstack from optional header. */ | |
beb1bf64 | 183 | bfd_vma maxstack; |
252b5132 RH |
184 | |
185 | /* Used by the XCOFF backend linker. */ | |
186 | asection **csects; | |
e450936a | 187 | long *debug_indices; |
3df13c4a | 188 | unsigned int *lineno_counts; |
252b5132 RH |
189 | unsigned int import_file_id; |
190 | }; | |
191 | ||
192 | #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) | |
193 | ||
08da05b0 | 194 | /* We take the address of the first element of an asymbol to ensure that the |
7920ce38 | 195 | macro is only ever applied to an asymbol. */ |
252b5132 RH |
196 | #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) |
197 | ||
252b5132 RH |
198 | /* Tdata for sections in XCOFF files. This is used by the linker. */ |
199 | ||
200 | struct xcoff_section_tdata | |
201 | { | |
202 | /* Used for XCOFF csects created by the linker; points to the real | |
203 | XCOFF section which contains this csect. */ | |
204 | asection *enclosing; | |
205 | /* The lineno_count field for the enclosing section, because we are | |
206 | going to clobber it there. */ | |
207 | unsigned int lineno_count; | |
4cc02a02 | 208 | /* The first and last symbol indices for symbols used by this csect. */ |
252b5132 RH |
209 | unsigned long first_symndx; |
210 | unsigned long last_symndx; | |
211 | }; | |
212 | ||
213 | /* An accessor macro the xcoff_section_tdata structure. */ | |
214 | #define xcoff_section_data(abfd, sec) \ | |
215 | ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) | |
216 | ||
8d3ad4e1 | 217 | /* Tdata for sections in PE files. */ |
252b5132 RH |
218 | |
219 | struct pei_section_tdata | |
220 | { | |
221 | /* The virtual size of the section. */ | |
222 | bfd_size_type virt_size; | |
8d3ad4e1 ILT |
223 | /* The PE section flags. */ |
224 | long pe_flags; | |
252b5132 RH |
225 | }; |
226 | ||
227 | /* An accessor macro for the pei_section_tdata structure. */ | |
228 | #define pei_section_data(abfd, sec) \ | |
229 | ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata) | |
230 | ||
231 | /* COFF linker hash table entries. */ | |
232 | ||
233 | struct coff_link_hash_entry | |
234 | { | |
235 | struct bfd_link_hash_entry root; | |
236 | ||
237 | /* Symbol index in output file. Set to -1 initially. Set to -2 if | |
238 | there is a reloc against this symbol. */ | |
239 | long indx; | |
240 | ||
241 | /* Symbol type. */ | |
242 | unsigned short type; | |
243 | ||
244 | /* Symbol class. */ | |
96d56e9f | 245 | unsigned char symbol_class; |
252b5132 RH |
246 | |
247 | /* Number of auxiliary entries. */ | |
248 | char numaux; | |
249 | ||
250 | /* BFD to take auxiliary entries from. */ | |
251 | bfd *auxbfd; | |
252 | ||
253 | /* Pointer to array of auxiliary entries, if any. */ | |
254 | union internal_auxent *aux; | |
7fd9c191 ILT |
255 | |
256 | /* Flag word; legal values follow. */ | |
257 | unsigned short coff_link_hash_flags; | |
258 | /* Symbol is a PE section symbol. */ | |
259 | #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) | |
252b5132 RH |
260 | }; |
261 | ||
262 | /* COFF linker hash table. */ | |
263 | ||
264 | struct coff_link_hash_table | |
265 | { | |
266 | struct bfd_link_hash_table root; | |
267 | /* A pointer to information used to link stabs in sections. */ | |
3722b82f | 268 | struct stab_info stab_info; |
252b5132 RH |
269 | }; |
270 | ||
0f088b2a KT |
271 | struct coff_reloc_cookie |
272 | { | |
07d6d2b8 AM |
273 | struct internal_reloc * rels; |
274 | struct internal_reloc * rel; | |
275 | struct internal_reloc * relend; | |
276 | struct coff_symbol_struct * symbols; /* Symtab for input bfd. */ | |
277 | bfd * abfd; | |
0f088b2a KT |
278 | struct coff_link_hash_entry ** sym_hashes; |
279 | }; | |
280 | ||
252b5132 RH |
281 | /* Look up an entry in a COFF linker hash table. */ |
282 | ||
283 | #define coff_link_hash_lookup(table, string, create, copy, follow) \ | |
284 | ((struct coff_link_hash_entry *) \ | |
285 | bfd_link_hash_lookup (&(table)->root, (string), (create), \ | |
286 | (copy), (follow))) | |
287 | ||
288 | /* Traverse a COFF linker hash table. */ | |
289 | ||
290 | #define coff_link_hash_traverse(table, func, info) \ | |
291 | (bfd_link_hash_traverse \ | |
292 | (&(table)->root, \ | |
7920ce38 | 293 | (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \ |
252b5132 RH |
294 | (info))) |
295 | ||
296 | /* Get the COFF linker hash table from a link_info structure. */ | |
297 | ||
298 | #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash)) | |
299 | ||
300 | /* Functions in coffgen.c. */ | |
dc810e39 | 301 | extern const bfd_target *coff_object_p |
7920ce38 | 302 | (bfd *); |
198beae2 | 303 | extern struct bfd_section *coff_section_from_bfd_index |
7920ce38 | 304 | (bfd *, int); |
dc810e39 | 305 | extern long coff_get_symtab_upper_bound |
7920ce38 | 306 | (bfd *); |
6cee3f79 | 307 | extern long coff_canonicalize_symtab |
7920ce38 | 308 | (bfd *, asymbol **); |
dc810e39 | 309 | extern int coff_count_linenumbers |
7920ce38 | 310 | (bfd *); |
b34976b6 | 311 | extern bfd_boolean coff_renumber_symbols |
7920ce38 | 312 | (bfd *, int *); |
dc810e39 | 313 | extern void coff_mangle_symbols |
7920ce38 | 314 | (bfd *); |
b34976b6 | 315 | extern bfd_boolean coff_write_symbols |
7920ce38 | 316 | (bfd *); |
e7ebb214 | 317 | extern bfd_boolean coff_write_alien_symbol |
270f8245 JB |
318 | (bfd *, asymbol *, struct internal_syment *, union internal_auxent *, |
319 | bfd_vma *, bfd_size_type *, asection **, bfd_size_type *); | |
b34976b6 | 320 | extern bfd_boolean coff_write_linenumbers |
7920ce38 | 321 | (bfd *); |
dc810e39 | 322 | extern alent *coff_get_lineno |
7920ce38 | 323 | (bfd *, asymbol *); |
dc810e39 | 324 | extern asymbol *coff_section_symbol |
7920ce38 | 325 | (bfd *, char *); |
b34976b6 | 326 | extern bfd_boolean _bfd_coff_get_external_symbols |
7920ce38 | 327 | (bfd *); |
dc810e39 | 328 | extern const char *_bfd_coff_read_string_table |
7920ce38 | 329 | (bfd *); |
b34976b6 | 330 | extern bfd_boolean _bfd_coff_free_symbols |
7920ce38 | 331 | (bfd *); |
dc810e39 | 332 | extern struct coff_ptr_struct *coff_get_normalized_symtab |
7920ce38 | 333 | (bfd *); |
dc810e39 | 334 | extern long coff_get_reloc_upper_bound |
7920ce38 | 335 | (bfd *, sec_ptr); |
dc810e39 | 336 | extern asymbol *coff_make_empty_symbol |
7920ce38 | 337 | (bfd *); |
dc810e39 | 338 | extern void coff_print_symbol |
7920ce38 | 339 | (bfd *, void * filep, asymbol *, bfd_print_symbol_type); |
dc810e39 | 340 | extern void coff_get_symbol_info |
7920ce38 | 341 | (bfd *, asymbol *, symbol_info *ret); |
60bb06bc L |
342 | #define coff_get_symbol_version_string \ |
343 | _bfd_nosymbols_get_symbol_version_string | |
b34976b6 | 344 | extern bfd_boolean _bfd_coff_is_local_label_name |
7920ce38 | 345 | (bfd *, const char *); |
dc810e39 | 346 | extern asymbol *coff_bfd_make_debug_symbol |
7920ce38 | 347 | (bfd *, void *, unsigned long); |
b34976b6 | 348 | extern bfd_boolean coff_find_nearest_line |
fb167eb2 AM |
349 | (bfd *, asymbol **, asection *, bfd_vma, |
350 | const char **, const char **, unsigned int *, unsigned int *); | |
9c461f7d | 351 | #define coff_find_line _bfd_nosymbols_find_line |
fc28f9aa TG |
352 | struct dwarf_debug_section; |
353 | extern bfd_boolean coff_find_nearest_line_with_names | |
fb167eb2 AM |
354 | (bfd *, asymbol **, asection *, bfd_vma, const char **, const char **, |
355 | unsigned int *, const struct dwarf_debug_section *); | |
4ab527b0 FF |
356 | extern bfd_boolean coff_find_inliner_info |
357 | (bfd *, const char **, const char **, unsigned int *); | |
dc810e39 | 358 | extern int coff_sizeof_headers |
a6b96beb | 359 | (bfd *, struct bfd_link_info *); |
b34976b6 | 360 | extern bfd_boolean bfd_coff_reloc16_relax_section |
7920ce38 | 361 | (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); |
252b5132 | 362 | extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents |
7920ce38 NC |
363 | (bfd *, struct bfd_link_info *, struct bfd_link_order *, |
364 | bfd_byte *, bfd_boolean, asymbol **); | |
dc810e39 | 365 | extern bfd_vma bfd_coff_reloc16_get_value |
7920ce38 | 366 | (arelent *, struct bfd_link_info *, asection *); |
dc810e39 | 367 | extern void bfd_perform_slip |
7920ce38 | 368 | (bfd *, unsigned int, asection *, bfd_vma); |
252b5132 RH |
369 | |
370 | /* Functions and types in cofflink.c. */ | |
371 | ||
116c20d2 | 372 | #define STRING_SIZE_SIZE 4 |
252b5132 RH |
373 | |
374 | /* We use a hash table to merge identical enum, struct, and union | |
375 | definitions in the linker. */ | |
376 | ||
377 | /* Information we keep for a single element (an enum value, a | |
378 | structure or union field) in the debug merge hash table. */ | |
379 | ||
380 | struct coff_debug_merge_element | |
381 | { | |
382 | /* Next element. */ | |
383 | struct coff_debug_merge_element *next; | |
384 | ||
385 | /* Name. */ | |
386 | const char *name; | |
387 | ||
388 | /* Type. */ | |
389 | unsigned int type; | |
390 | ||
391 | /* Symbol index for complex type. */ | |
392 | long tagndx; | |
393 | }; | |
394 | ||
395 | /* A linked list of debug merge entries for a given name. */ | |
396 | ||
397 | struct coff_debug_merge_type | |
398 | { | |
399 | /* Next type with the same name. */ | |
400 | struct coff_debug_merge_type *next; | |
401 | ||
402 | /* Class of type. */ | |
96d56e9f | 403 | int type_class; |
252b5132 RH |
404 | |
405 | /* Symbol index where this type is defined. */ | |
406 | long indx; | |
407 | ||
408 | /* List of elements. */ | |
409 | struct coff_debug_merge_element *elements; | |
410 | }; | |
411 | ||
412 | /* Information we store in the debug merge hash table. */ | |
413 | ||
414 | struct coff_debug_merge_hash_entry | |
415 | { | |
416 | struct bfd_hash_entry root; | |
417 | ||
418 | /* A list of types with this name. */ | |
419 | struct coff_debug_merge_type *types; | |
420 | }; | |
421 | ||
422 | /* The debug merge hash table. */ | |
423 | ||
424 | struct coff_debug_merge_hash_table | |
425 | { | |
426 | struct bfd_hash_table root; | |
427 | }; | |
428 | ||
429 | /* Initialize a COFF debug merge hash table. */ | |
430 | ||
431 | #define coff_debug_merge_hash_table_init(table) \ | |
66eb6687 AM |
432 | (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ |
433 | sizeof (struct coff_debug_merge_hash_entry))) | |
252b5132 RH |
434 | |
435 | /* Free a COFF debug merge hash table. */ | |
436 | ||
437 | #define coff_debug_merge_hash_table_free(table) \ | |
438 | (bfd_hash_table_free (&(table)->root)) | |
439 | ||
440 | /* Look up an entry in a COFF debug merge hash table. */ | |
441 | ||
442 | #define coff_debug_merge_hash_lookup(table, string, create, copy) \ | |
443 | ((struct coff_debug_merge_hash_entry *) \ | |
444 | bfd_hash_lookup (&(table)->root, (string), (create), (copy))) | |
445 | ||
446 | /* Information we keep for each section in the output file when doing | |
1049f94e | 447 | a relocatable link. */ |
252b5132 RH |
448 | |
449 | struct coff_link_section_info | |
450 | { | |
451 | /* The relocs to be output. */ | |
452 | struct internal_reloc *relocs; | |
453 | /* For each reloc against a global symbol whose index was not known | |
454 | when the reloc was handled, the global hash table entry. */ | |
455 | struct coff_link_hash_entry **rel_hashes; | |
456 | }; | |
457 | ||
458 | /* Information that we pass around while doing the final link step. */ | |
459 | ||
460 | struct coff_final_link_info | |
461 | { | |
462 | /* General link information. */ | |
463 | struct bfd_link_info *info; | |
464 | /* Output BFD. */ | |
465 | bfd *output_bfd; | |
466 | /* Used to indicate failure in traversal routine. */ | |
b34976b6 | 467 | bfd_boolean failed; |
252b5132 RH |
468 | /* If doing "task linking" set only during the time when we want the |
469 | global symbol writer to convert the storage class of defined global | |
470 | symbols from global to static. */ | |
b34976b6 | 471 | bfd_boolean global_to_static; |
252b5132 RH |
472 | /* Hash table for long symbol names. */ |
473 | struct bfd_strtab_hash *strtab; | |
1049f94e | 474 | /* When doing a relocatable link, an array of information kept for |
252b5132 RH |
475 | each output section, indexed by the target_index field. */ |
476 | struct coff_link_section_info *section_info; | |
477 | /* Symbol index of last C_FILE symbol (-1 if none). */ | |
478 | long last_file_index; | |
479 | /* Contents of last C_FILE symbol. */ | |
480 | struct internal_syment last_file; | |
481 | /* Symbol index of first aux entry of last .bf symbol with an empty | |
482 | endndx field (-1 if none). */ | |
483 | long last_bf_index; | |
484 | /* Contents of last_bf_index aux entry. */ | |
485 | union internal_auxent last_bf; | |
486 | /* Hash table used to merge debug information. */ | |
487 | struct coff_debug_merge_hash_table debug_merge; | |
488 | /* Buffer large enough to hold swapped symbols of any input file. */ | |
489 | struct internal_syment *internal_syms; | |
490 | /* Buffer large enough to hold sections of symbols of any input file. */ | |
491 | asection **sec_ptrs; | |
492 | /* Buffer large enough to hold output indices of symbols of any | |
493 | input file. */ | |
494 | long *sym_indices; | |
495 | /* Buffer large enough to hold output symbols for any input file. */ | |
496 | bfd_byte *outsyms; | |
497 | /* Buffer large enough to hold external line numbers for any input | |
498 | section. */ | |
499 | bfd_byte *linenos; | |
500 | /* Buffer large enough to hold any input section. */ | |
501 | bfd_byte *contents; | |
502 | /* Buffer large enough to hold external relocs of any input section. */ | |
503 | bfd_byte *external_relocs; | |
504 | /* Buffer large enough to hold swapped relocs of any input section. */ | |
505 | struct internal_reloc *internal_relocs; | |
506 | }; | |
507 | ||
5dccc1dd ILT |
508 | /* Most COFF variants have no way to record the alignment of a |
509 | section. This struct is used to set a specific alignment based on | |
510 | the name of the section. */ | |
511 | ||
512 | struct coff_section_alignment_entry | |
513 | { | |
514 | /* The section name. */ | |
515 | const char *name; | |
516 | ||
517 | /* This is either (unsigned int) -1, indicating that the section | |
518 | name must match exactly, or it is the number of letters which | |
519 | must match at the start of the name. */ | |
520 | unsigned int comparison_length; | |
521 | ||
522 | /* These macros may be used to fill in the first two fields in a | |
523 | structure initialization. */ | |
524 | #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) | |
525 | #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) | |
526 | ||
527 | /* Only use this entry if the default section alignment for this | |
528 | target is at least that much (as a power of two). If this field | |
529 | is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ | |
530 | unsigned int default_alignment_min; | |
531 | ||
532 | /* Only use this entry if the default section alignment for this | |
533 | target is no greater than this (as a power of two). If this | |
534 | field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ | |
535 | unsigned int default_alignment_max; | |
536 | ||
537 | #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) | |
538 | ||
539 | /* The desired alignment for this section (as a power of two). */ | |
540 | unsigned int alignment_power; | |
541 | }; | |
542 | ||
252b5132 | 543 | extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc |
7920ce38 | 544 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
b34976b6 | 545 | extern bfd_boolean _bfd_coff_link_hash_table_init |
7920ce38 NC |
546 | (struct coff_link_hash_table *, bfd *, |
547 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
548 | struct bfd_hash_table *, | |
66eb6687 AM |
549 | const char *), |
550 | unsigned int); | |
252b5132 | 551 | extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create |
7920ce38 | 552 | (bfd *); |
252b5132 | 553 | extern const char *_bfd_coff_internal_syment_name |
7920ce38 | 554 | (bfd *, const struct internal_syment *, char *); |
c77ec726 AM |
555 | extern bfd_boolean _bfd_coff_section_already_linked |
556 | (bfd *, asection *, struct bfd_link_info *); | |
b34976b6 | 557 | extern bfd_boolean _bfd_coff_link_add_symbols |
7920ce38 | 558 | (bfd *, struct bfd_link_info *); |
b34976b6 | 559 | extern bfd_boolean _bfd_coff_final_link |
7920ce38 | 560 | (bfd *, struct bfd_link_info *); |
252b5132 | 561 | extern struct internal_reloc *_bfd_coff_read_internal_relocs |
7920ce38 NC |
562 | (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, |
563 | struct internal_reloc *); | |
b34976b6 | 564 | extern bfd_boolean _bfd_coff_generic_relocate_section |
7920ce38 NC |
565 | (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
566 | struct internal_reloc *, struct internal_syment *, asection **); | |
252b5132 | 567 | extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc |
7920ce38 | 568 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
b34976b6 | 569 | extern bfd_boolean _bfd_coff_write_global_sym |
7686d77d | 570 | (struct bfd_hash_entry *, void *); |
b34976b6 | 571 | extern bfd_boolean _bfd_coff_write_task_globals |
7920ce38 | 572 | (struct coff_link_hash_entry *, void *); |
b34976b6 | 573 | extern bfd_boolean _bfd_coff_link_input_bfd |
7920ce38 | 574 | (struct coff_final_link_info *, bfd *); |
b34976b6 | 575 | extern bfd_boolean _bfd_coff_reloc_link_order |
7920ce38 NC |
576 | (bfd *, struct coff_final_link_info *, asection *, |
577 | struct bfd_link_order *); | |
0f088b2a KT |
578 | extern bfd_boolean bfd_coff_gc_sections |
579 | (bfd *, struct bfd_link_info *); | |
252b5132 RH |
580 | |
581 | ||
582 | #define coff_get_section_contents_in_window \ | |
583 | _bfd_generic_get_section_contents_in_window | |
584 | ||
585 | /* Functions in xcofflink.c. */ | |
586 | ||
dc810e39 | 587 | extern long _bfd_xcoff_get_dynamic_symtab_upper_bound |
7920ce38 | 588 | (bfd *); |
252b5132 | 589 | extern long _bfd_xcoff_canonicalize_dynamic_symtab |
7920ce38 | 590 | (bfd *, asymbol **); |
dc810e39 | 591 | extern long _bfd_xcoff_get_dynamic_reloc_upper_bound |
7920ce38 | 592 | (bfd *); |
252b5132 | 593 | extern long _bfd_xcoff_canonicalize_dynamic_reloc |
7920ce38 | 594 | (bfd *, arelent **, asymbol **); |
252b5132 | 595 | extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create |
7920ce38 | 596 | (bfd *); |
b34976b6 | 597 | extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols |
7920ce38 | 598 | (bfd *, struct bfd_link_info *); |
b34976b6 | 599 | extern bfd_boolean _bfd_xcoff_bfd_final_link |
7920ce38 | 600 | (bfd *, struct bfd_link_info *); |
3023e3f6 RS |
601 | extern bfd_boolean _bfd_xcoff_define_common_symbol |
602 | (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); | |
b34976b6 | 603 | extern bfd_boolean _bfd_ppc_xcoff_relocate_section |
7920ce38 NC |
604 | (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
605 | struct internal_reloc *, struct internal_syment *, asection **); | |
252b5132 | 606 | |
88183869 | 607 | /* Functions in coff-ppc.c. FIXME: These are called by pe.em in the |
252b5132 RH |
608 | linker, and so should start with bfd and be declared in bfd.h. */ |
609 | ||
b34976b6 | 610 | extern bfd_boolean ppc_allocate_toc_section |
7920ce38 | 611 | (struct bfd_link_info *); |
b34976b6 | 612 | extern bfd_boolean ppc_process_before_allocation |
7920ce38 | 613 | (bfd *, struct bfd_link_info *); |