Commit | Line | Data |
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252b5132 | 1 | /* BFD COFF object file private structure. |
4b95cf5c | 2 | Copyright (C) 1990-2014 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" | |
23 | ||
7920ce38 NC |
24 | /* Object file tdata; access macros. */ |
25 | ||
26 | #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) | |
7920ce38 NC |
27 | #define obj_pe(bfd) (coff_data (bfd)->pe) |
28 | #define obj_symbols(bfd) (coff_data (bfd)->symbols) | |
29 | #define obj_sym_filepos(bfd) (coff_data (bfd)->sym_filepos) | |
30 | #define obj_relocbase(bfd) (coff_data (bfd)->relocbase) | |
31 | #define obj_raw_syments(bfd) (coff_data (bfd)->raw_syments) | |
32 | #define obj_raw_syment_count(bfd) (coff_data (bfd)->raw_syment_count) | |
33 | #define obj_convert(bfd) (coff_data (bfd)->conversion_table) | |
34 | #define obj_conv_table_size(bfd) (coff_data (bfd)->conv_table_size) | |
35 | #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) | |
36 | #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) | |
37 | #define obj_coff_strings(bfd) (coff_data (bfd)->strings) | |
38 | #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings) | |
39 | #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes) | |
d71f672e | 40 | #define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written) |
7920ce38 | 41 | #define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map) |
252b5132 RH |
42 | |
43 | /* `Tdata' information kept for COFF files. */ | |
44 | ||
45 | typedef struct coff_tdata | |
46 | { | |
7920ce38 | 47 | struct coff_symbol_struct *symbols; /* Symtab for input bfd. */ |
252b5132 RH |
48 | unsigned int *conversion_table; |
49 | int conv_table_size; | |
50 | file_ptr sym_filepos; | |
51 | ||
52 | struct coff_ptr_struct *raw_syments; | |
00692651 | 53 | unsigned long raw_syment_count; |
252b5132 | 54 | |
7920ce38 | 55 | /* These are only valid once writing has begun. */ |
252b5132 RH |
56 | long int relocbase; |
57 | ||
58 | /* These members communicate important constants about the symbol table | |
59 | to GDB's symbol-reading code. These `constants' unfortunately vary | |
60 | from coff implementation to implementation... */ | |
61 | unsigned local_n_btmask; | |
62 | unsigned local_n_btshft; | |
63 | unsigned local_n_tmask; | |
64 | unsigned local_n_tshift; | |
65 | unsigned local_symesz; | |
66 | unsigned local_auxesz; | |
67 | unsigned local_linesz; | |
68 | ||
69 | /* The unswapped external symbols. May be NULL. Read by | |
70 | _bfd_coff_get_external_symbols. */ | |
7920ce38 | 71 | void * external_syms; |
b34976b6 AM |
72 | /* If this is TRUE, the external_syms may not be freed. */ |
73 | bfd_boolean keep_syms; | |
252b5132 RH |
74 | |
75 | /* The string table. May be NULL. Read by | |
76 | _bfd_coff_read_string_table. */ | |
77 | char *strings; | |
b34976b6 AM |
78 | /* If this is TRUE, the strings may not be freed. */ |
79 | bfd_boolean keep_strings; | |
80 | /* If this is TRUE, the strings have been written out already. */ | |
81 | bfd_boolean strings_written; | |
252b5132 | 82 | |
7920ce38 | 83 | /* Is this a PE format coff file? */ |
252b5132 RH |
84 | int pe; |
85 | /* Used by the COFF backend linker. */ | |
86 | struct coff_link_hash_entry **sym_hashes; | |
87 | ||
7920ce38 | 88 | /* Used by the pe linker for PowerPC. */ |
252b5132 RH |
89 | int *local_toc_sym_map; |
90 | ||
91 | struct bfd_link_info *link_info; | |
92 | ||
93 | /* Used by coff_find_nearest_line. */ | |
7920ce38 | 94 | void * line_info; |
252b5132 | 95 | |
7920ce38 NC |
96 | /* A place to stash dwarf2 info for this bfd. */ |
97 | void * dwarf2_find_line_info; | |
51db3708 | 98 | |
00692651 ILT |
99 | /* The timestamp from the COFF file header. */ |
100 | long timestamp; | |
101 | ||
252b5132 RH |
102 | /* Copy of some of the f_flags bits in the COFF filehdr structure, |
103 | used by ARM code. */ | |
104 | flagword flags; | |
105 | ||
9bf609ec JK |
106 | /* coff-stgo32 EXE stub header after BFD tdata has been allocated. Its data |
107 | is kept in internal_filehdr.go32stub beforehand. */ | |
108 | char *go32stub; | |
252b5132 RH |
109 | } coff_data_type; |
110 | ||
7920ce38 | 111 | /* Tdata for pe image files. */ |
252b5132 RH |
112 | typedef struct pe_tdata |
113 | { | |
114 | coff_data_type coff; | |
115 | struct internal_extra_pe_aouthdr pe_opthdr; | |
116 | int dll; | |
117 | int has_reloc_section; | |
441f34fa | 118 | int dont_strip_reloc; |
0cb112f7 | 119 | bfd_boolean insert_timestamp; |
7920ce38 | 120 | bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); |
252b5132 | 121 | flagword real_flags; |
61e2488c JT |
122 | |
123 | /* Build-id info. */ | |
124 | struct | |
125 | { | |
126 | bfd_boolean (*after_write_object_contents) (bfd *); | |
127 | const char *style; | |
128 | asection *sec; | |
129 | } build_id; | |
252b5132 RH |
130 | } pe_data_type; |
131 | ||
132 | #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) | |
133 | ||
134 | /* Tdata for XCOFF files. */ | |
135 | ||
136 | struct xcoff_tdata | |
137 | { | |
138 | /* Basic COFF information. */ | |
139 | coff_data_type coff; | |
140 | ||
b34976b6 AM |
141 | /* TRUE if this is an XCOFF64 file. */ |
142 | bfd_boolean xcoff64; | |
a2fdf270 | 143 | |
b34976b6 AM |
144 | /* TRUE if a large a.out header should be generated. */ |
145 | bfd_boolean full_aouthdr; | |
252b5132 RH |
146 | |
147 | /* TOC value. */ | |
148 | bfd_vma toc; | |
149 | ||
150 | /* Index of section holding TOC. */ | |
151 | int sntoc; | |
152 | ||
153 | /* Index of section holding entry point. */ | |
154 | int snentry; | |
155 | ||
156 | /* .text alignment from optional header. */ | |
157 | int text_align_power; | |
158 | ||
159 | /* .data alignment from optional header. */ | |
160 | int data_align_power; | |
161 | ||
162 | /* modtype from optional header. */ | |
163 | short modtype; | |
164 | ||
165 | /* cputype from optional header. */ | |
166 | short cputype; | |
167 | ||
168 | /* maxdata from optional header. */ | |
beb1bf64 | 169 | bfd_vma maxdata; |
252b5132 RH |
170 | |
171 | /* maxstack from optional header. */ | |
beb1bf64 | 172 | bfd_vma maxstack; |
252b5132 RH |
173 | |
174 | /* Used by the XCOFF backend linker. */ | |
175 | asection **csects; | |
e450936a | 176 | long *debug_indices; |
3df13c4a | 177 | unsigned int *lineno_counts; |
252b5132 RH |
178 | unsigned int import_file_id; |
179 | }; | |
180 | ||
181 | #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) | |
182 | ||
08da05b0 | 183 | /* We take the address of the first element of an asymbol to ensure that the |
7920ce38 | 184 | macro is only ever applied to an asymbol. */ |
252b5132 RH |
185 | #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) |
186 | ||
187 | /* The used_by_bfd field of a section may be set to a pointer to this | |
188 | structure. */ | |
189 | ||
190 | struct coff_section_tdata | |
191 | { | |
192 | /* The relocs, swapped into COFF internal form. This may be NULL. */ | |
193 | struct internal_reloc *relocs; | |
b34976b6 AM |
194 | /* If this is TRUE, the relocs entry may not be freed. */ |
195 | bfd_boolean keep_relocs; | |
252b5132 RH |
196 | /* The section contents. This may be NULL. */ |
197 | bfd_byte *contents; | |
b34976b6 AM |
198 | /* If this is TRUE, the contents entry may not be freed. */ |
199 | bfd_boolean keep_contents; | |
252b5132 RH |
200 | /* Information cached by coff_find_nearest_line. */ |
201 | bfd_vma offset; | |
202 | unsigned int i; | |
203 | const char *function; | |
082b7297 L |
204 | /* Optional information about a COMDAT entry; NULL if not COMDAT. */ |
205 | struct coff_comdat_info *comdat; | |
252b5132 RH |
206 | int line_base; |
207 | /* A pointer used for .stab linking optimizations. */ | |
7920ce38 | 208 | void * stab_info; |
252b5132 | 209 | /* Available for individual backends. */ |
7920ce38 | 210 | void * tdata; |
252b5132 RH |
211 | }; |
212 | ||
213 | /* An accessor macro for the coff_section_tdata structure. */ | |
214 | #define coff_section_data(abfd, sec) \ | |
215 | ((struct coff_section_tdata *) (sec)->used_by_bfd) | |
216 | ||
217 | /* Tdata for sections in XCOFF files. This is used by the linker. */ | |
218 | ||
219 | struct xcoff_section_tdata | |
220 | { | |
221 | /* Used for XCOFF csects created by the linker; points to the real | |
222 | XCOFF section which contains this csect. */ | |
223 | asection *enclosing; | |
224 | /* The lineno_count field for the enclosing section, because we are | |
225 | going to clobber it there. */ | |
226 | unsigned int lineno_count; | |
4cc02a02 | 227 | /* The first and last symbol indices for symbols used by this csect. */ |
252b5132 RH |
228 | unsigned long first_symndx; |
229 | unsigned long last_symndx; | |
230 | }; | |
231 | ||
232 | /* An accessor macro the xcoff_section_tdata structure. */ | |
233 | #define xcoff_section_data(abfd, sec) \ | |
234 | ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) | |
235 | ||
8d3ad4e1 | 236 | /* Tdata for sections in PE files. */ |
252b5132 RH |
237 | |
238 | struct pei_section_tdata | |
239 | { | |
240 | /* The virtual size of the section. */ | |
241 | bfd_size_type virt_size; | |
8d3ad4e1 ILT |
242 | /* The PE section flags. */ |
243 | long pe_flags; | |
252b5132 RH |
244 | }; |
245 | ||
246 | /* An accessor macro for the pei_section_tdata structure. */ | |
247 | #define pei_section_data(abfd, sec) \ | |
248 | ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata) | |
249 | ||
250 | /* COFF linker hash table entries. */ | |
251 | ||
252 | struct coff_link_hash_entry | |
253 | { | |
254 | struct bfd_link_hash_entry root; | |
255 | ||
256 | /* Symbol index in output file. Set to -1 initially. Set to -2 if | |
257 | there is a reloc against this symbol. */ | |
258 | long indx; | |
259 | ||
260 | /* Symbol type. */ | |
261 | unsigned short type; | |
262 | ||
263 | /* Symbol class. */ | |
96d56e9f | 264 | unsigned char symbol_class; |
252b5132 RH |
265 | |
266 | /* Number of auxiliary entries. */ | |
267 | char numaux; | |
268 | ||
269 | /* BFD to take auxiliary entries from. */ | |
270 | bfd *auxbfd; | |
271 | ||
272 | /* Pointer to array of auxiliary entries, if any. */ | |
273 | union internal_auxent *aux; | |
7fd9c191 ILT |
274 | |
275 | /* Flag word; legal values follow. */ | |
276 | unsigned short coff_link_hash_flags; | |
277 | /* Symbol is a PE section symbol. */ | |
278 | #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) | |
252b5132 RH |
279 | }; |
280 | ||
281 | /* COFF linker hash table. */ | |
282 | ||
283 | struct coff_link_hash_table | |
284 | { | |
285 | struct bfd_link_hash_table root; | |
286 | /* A pointer to information used to link stabs in sections. */ | |
3722b82f | 287 | struct stab_info stab_info; |
252b5132 RH |
288 | }; |
289 | ||
290 | /* Look up an entry in a COFF linker hash table. */ | |
291 | ||
292 | #define coff_link_hash_lookup(table, string, create, copy, follow) \ | |
293 | ((struct coff_link_hash_entry *) \ | |
294 | bfd_link_hash_lookup (&(table)->root, (string), (create), \ | |
295 | (copy), (follow))) | |
296 | ||
297 | /* Traverse a COFF linker hash table. */ | |
298 | ||
299 | #define coff_link_hash_traverse(table, func, info) \ | |
300 | (bfd_link_hash_traverse \ | |
301 | (&(table)->root, \ | |
7920ce38 | 302 | (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \ |
252b5132 RH |
303 | (info))) |
304 | ||
305 | /* Get the COFF linker hash table from a link_info structure. */ | |
306 | ||
307 | #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash)) | |
308 | ||
309 | /* Functions in coffgen.c. */ | |
dc810e39 | 310 | extern const bfd_target *coff_object_p |
7920ce38 | 311 | (bfd *); |
198beae2 | 312 | extern struct bfd_section *coff_section_from_bfd_index |
7920ce38 | 313 | (bfd *, int); |
dc810e39 | 314 | extern long coff_get_symtab_upper_bound |
7920ce38 | 315 | (bfd *); |
6cee3f79 | 316 | extern long coff_canonicalize_symtab |
7920ce38 | 317 | (bfd *, asymbol **); |
dc810e39 | 318 | extern int coff_count_linenumbers |
7920ce38 | 319 | (bfd *); |
dc810e39 | 320 | extern struct coff_symbol_struct *coff_symbol_from |
7920ce38 | 321 | (bfd *, asymbol *); |
b34976b6 | 322 | extern bfd_boolean coff_renumber_symbols |
7920ce38 | 323 | (bfd *, int *); |
dc810e39 | 324 | extern void coff_mangle_symbols |
7920ce38 | 325 | (bfd *); |
b34976b6 | 326 | extern bfd_boolean coff_write_symbols |
7920ce38 | 327 | (bfd *); |
e7ebb214 JB |
328 | extern bfd_boolean coff_write_alien_symbol |
329 | (bfd *, asymbol *, struct internal_syment *, bfd_vma *, | |
330 | bfd_size_type *, asection **, bfd_size_type *); | |
b34976b6 | 331 | extern bfd_boolean coff_write_linenumbers |
7920ce38 | 332 | (bfd *); |
dc810e39 | 333 | extern alent *coff_get_lineno |
7920ce38 | 334 | (bfd *, asymbol *); |
dc810e39 | 335 | extern asymbol *coff_section_symbol |
7920ce38 | 336 | (bfd *, char *); |
b34976b6 | 337 | extern bfd_boolean _bfd_coff_get_external_symbols |
7920ce38 | 338 | (bfd *); |
dc810e39 | 339 | extern const char *_bfd_coff_read_string_table |
7920ce38 | 340 | (bfd *); |
b34976b6 | 341 | extern bfd_boolean _bfd_coff_free_symbols |
7920ce38 | 342 | (bfd *); |
dc810e39 | 343 | extern struct coff_ptr_struct *coff_get_normalized_symtab |
7920ce38 | 344 | (bfd *); |
dc810e39 | 345 | extern long coff_get_reloc_upper_bound |
7920ce38 | 346 | (bfd *, sec_ptr); |
dc810e39 | 347 | extern asymbol *coff_make_empty_symbol |
7920ce38 | 348 | (bfd *); |
dc810e39 | 349 | extern void coff_print_symbol |
7920ce38 | 350 | (bfd *, void * filep, asymbol *, bfd_print_symbol_type); |
dc810e39 | 351 | extern void coff_get_symbol_info |
7920ce38 | 352 | (bfd *, asymbol *, symbol_info *ret); |
b34976b6 | 353 | extern bfd_boolean _bfd_coff_is_local_label_name |
7920ce38 | 354 | (bfd *, const char *); |
dc810e39 | 355 | extern asymbol *coff_bfd_make_debug_symbol |
7920ce38 | 356 | (bfd *, void *, unsigned long); |
b34976b6 | 357 | extern bfd_boolean coff_find_nearest_line |
7920ce38 NC |
358 | (bfd *, asection *, asymbol **, bfd_vma, const char **, |
359 | const char **, unsigned int *); | |
a29a8af8 KT |
360 | extern bfd_boolean coff_find_nearest_line_discriminator |
361 | (bfd *, asection *, asymbol **, bfd_vma, const char **, | |
362 | const char **, unsigned int *, unsigned int *); | |
fc28f9aa TG |
363 | struct dwarf_debug_section; |
364 | extern bfd_boolean coff_find_nearest_line_with_names | |
365 | (bfd *, const struct dwarf_debug_section *, asection *, asymbol **, | |
366 | bfd_vma, const char **, const char **, unsigned int *); | |
4ab527b0 FF |
367 | extern bfd_boolean coff_find_inliner_info |
368 | (bfd *, const char **, const char **, unsigned int *); | |
dc810e39 | 369 | extern int coff_sizeof_headers |
a6b96beb | 370 | (bfd *, struct bfd_link_info *); |
b34976b6 | 371 | extern bfd_boolean bfd_coff_reloc16_relax_section |
7920ce38 | 372 | (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); |
252b5132 | 373 | extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents |
7920ce38 NC |
374 | (bfd *, struct bfd_link_info *, struct bfd_link_order *, |
375 | bfd_byte *, bfd_boolean, asymbol **); | |
dc810e39 | 376 | extern bfd_vma bfd_coff_reloc16_get_value |
7920ce38 | 377 | (arelent *, struct bfd_link_info *, asection *); |
dc810e39 | 378 | extern void bfd_perform_slip |
7920ce38 | 379 | (bfd *, unsigned int, asection *, bfd_vma); |
252b5132 RH |
380 | |
381 | /* Functions and types in cofflink.c. */ | |
382 | ||
116c20d2 | 383 | #define STRING_SIZE_SIZE 4 |
252b5132 RH |
384 | |
385 | /* We use a hash table to merge identical enum, struct, and union | |
386 | definitions in the linker. */ | |
387 | ||
388 | /* Information we keep for a single element (an enum value, a | |
389 | structure or union field) in the debug merge hash table. */ | |
390 | ||
391 | struct coff_debug_merge_element | |
392 | { | |
393 | /* Next element. */ | |
394 | struct coff_debug_merge_element *next; | |
395 | ||
396 | /* Name. */ | |
397 | const char *name; | |
398 | ||
399 | /* Type. */ | |
400 | unsigned int type; | |
401 | ||
402 | /* Symbol index for complex type. */ | |
403 | long tagndx; | |
404 | }; | |
405 | ||
406 | /* A linked list of debug merge entries for a given name. */ | |
407 | ||
408 | struct coff_debug_merge_type | |
409 | { | |
410 | /* Next type with the same name. */ | |
411 | struct coff_debug_merge_type *next; | |
412 | ||
413 | /* Class of type. */ | |
96d56e9f | 414 | int type_class; |
252b5132 RH |
415 | |
416 | /* Symbol index where this type is defined. */ | |
417 | long indx; | |
418 | ||
419 | /* List of elements. */ | |
420 | struct coff_debug_merge_element *elements; | |
421 | }; | |
422 | ||
423 | /* Information we store in the debug merge hash table. */ | |
424 | ||
425 | struct coff_debug_merge_hash_entry | |
426 | { | |
427 | struct bfd_hash_entry root; | |
428 | ||
429 | /* A list of types with this name. */ | |
430 | struct coff_debug_merge_type *types; | |
431 | }; | |
432 | ||
433 | /* The debug merge hash table. */ | |
434 | ||
435 | struct coff_debug_merge_hash_table | |
436 | { | |
437 | struct bfd_hash_table root; | |
438 | }; | |
439 | ||
440 | /* Initialize a COFF debug merge hash table. */ | |
441 | ||
442 | #define coff_debug_merge_hash_table_init(table) \ | |
66eb6687 AM |
443 | (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ |
444 | sizeof (struct coff_debug_merge_hash_entry))) | |
252b5132 RH |
445 | |
446 | /* Free a COFF debug merge hash table. */ | |
447 | ||
448 | #define coff_debug_merge_hash_table_free(table) \ | |
449 | (bfd_hash_table_free (&(table)->root)) | |
450 | ||
451 | /* Look up an entry in a COFF debug merge hash table. */ | |
452 | ||
453 | #define coff_debug_merge_hash_lookup(table, string, create, copy) \ | |
454 | ((struct coff_debug_merge_hash_entry *) \ | |
455 | bfd_hash_lookup (&(table)->root, (string), (create), (copy))) | |
456 | ||
457 | /* Information we keep for each section in the output file when doing | |
1049f94e | 458 | a relocatable link. */ |
252b5132 RH |
459 | |
460 | struct coff_link_section_info | |
461 | { | |
462 | /* The relocs to be output. */ | |
463 | struct internal_reloc *relocs; | |
464 | /* For each reloc against a global symbol whose index was not known | |
465 | when the reloc was handled, the global hash table entry. */ | |
466 | struct coff_link_hash_entry **rel_hashes; | |
467 | }; | |
468 | ||
469 | /* Information that we pass around while doing the final link step. */ | |
470 | ||
471 | struct coff_final_link_info | |
472 | { | |
473 | /* General link information. */ | |
474 | struct bfd_link_info *info; | |
475 | /* Output BFD. */ | |
476 | bfd *output_bfd; | |
477 | /* Used to indicate failure in traversal routine. */ | |
b34976b6 | 478 | bfd_boolean failed; |
252b5132 RH |
479 | /* If doing "task linking" set only during the time when we want the |
480 | global symbol writer to convert the storage class of defined global | |
481 | symbols from global to static. */ | |
b34976b6 | 482 | bfd_boolean global_to_static; |
252b5132 RH |
483 | /* Hash table for long symbol names. */ |
484 | struct bfd_strtab_hash *strtab; | |
1049f94e | 485 | /* When doing a relocatable link, an array of information kept for |
252b5132 RH |
486 | each output section, indexed by the target_index field. */ |
487 | struct coff_link_section_info *section_info; | |
488 | /* Symbol index of last C_FILE symbol (-1 if none). */ | |
489 | long last_file_index; | |
490 | /* Contents of last C_FILE symbol. */ | |
491 | struct internal_syment last_file; | |
492 | /* Symbol index of first aux entry of last .bf symbol with an empty | |
493 | endndx field (-1 if none). */ | |
494 | long last_bf_index; | |
495 | /* Contents of last_bf_index aux entry. */ | |
496 | union internal_auxent last_bf; | |
497 | /* Hash table used to merge debug information. */ | |
498 | struct coff_debug_merge_hash_table debug_merge; | |
499 | /* Buffer large enough to hold swapped symbols of any input file. */ | |
500 | struct internal_syment *internal_syms; | |
501 | /* Buffer large enough to hold sections of symbols of any input file. */ | |
502 | asection **sec_ptrs; | |
503 | /* Buffer large enough to hold output indices of symbols of any | |
504 | input file. */ | |
505 | long *sym_indices; | |
506 | /* Buffer large enough to hold output symbols for any input file. */ | |
507 | bfd_byte *outsyms; | |
508 | /* Buffer large enough to hold external line numbers for any input | |
509 | section. */ | |
510 | bfd_byte *linenos; | |
511 | /* Buffer large enough to hold any input section. */ | |
512 | bfd_byte *contents; | |
513 | /* Buffer large enough to hold external relocs of any input section. */ | |
514 | bfd_byte *external_relocs; | |
515 | /* Buffer large enough to hold swapped relocs of any input section. */ | |
516 | struct internal_reloc *internal_relocs; | |
517 | }; | |
518 | ||
5dccc1dd ILT |
519 | /* Most COFF variants have no way to record the alignment of a |
520 | section. This struct is used to set a specific alignment based on | |
521 | the name of the section. */ | |
522 | ||
523 | struct coff_section_alignment_entry | |
524 | { | |
525 | /* The section name. */ | |
526 | const char *name; | |
527 | ||
528 | /* This is either (unsigned int) -1, indicating that the section | |
529 | name must match exactly, or it is the number of letters which | |
530 | must match at the start of the name. */ | |
531 | unsigned int comparison_length; | |
532 | ||
533 | /* These macros may be used to fill in the first two fields in a | |
534 | structure initialization. */ | |
535 | #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) | |
536 | #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) | |
537 | ||
538 | /* Only use this entry if the default section alignment for this | |
539 | target is at least that much (as a power of two). If this field | |
540 | is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ | |
541 | unsigned int default_alignment_min; | |
542 | ||
543 | /* Only use this entry if the default section alignment for this | |
544 | target is no greater than this (as a power of two). If this | |
545 | field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ | |
546 | unsigned int default_alignment_max; | |
547 | ||
548 | #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) | |
549 | ||
550 | /* The desired alignment for this section (as a power of two). */ | |
551 | unsigned int alignment_power; | |
552 | }; | |
553 | ||
252b5132 | 554 | extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc |
7920ce38 | 555 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
b34976b6 | 556 | extern bfd_boolean _bfd_coff_link_hash_table_init |
7920ce38 NC |
557 | (struct coff_link_hash_table *, bfd *, |
558 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
559 | struct bfd_hash_table *, | |
66eb6687 AM |
560 | const char *), |
561 | unsigned int); | |
252b5132 | 562 | extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create |
7920ce38 | 563 | (bfd *); |
252b5132 | 564 | extern const char *_bfd_coff_internal_syment_name |
7920ce38 | 565 | (bfd *, const struct internal_syment *, char *); |
c77ec726 AM |
566 | extern bfd_boolean _bfd_coff_section_already_linked |
567 | (bfd *, asection *, struct bfd_link_info *); | |
b34976b6 | 568 | extern bfd_boolean _bfd_coff_link_add_symbols |
7920ce38 | 569 | (bfd *, struct bfd_link_info *); |
b34976b6 | 570 | extern bfd_boolean _bfd_coff_final_link |
7920ce38 | 571 | (bfd *, struct bfd_link_info *); |
252b5132 | 572 | extern struct internal_reloc *_bfd_coff_read_internal_relocs |
7920ce38 NC |
573 | (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, |
574 | struct internal_reloc *); | |
b34976b6 | 575 | extern bfd_boolean _bfd_coff_generic_relocate_section |
7920ce38 NC |
576 | (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
577 | struct internal_reloc *, struct internal_syment *, asection **); | |
252b5132 | 578 | extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc |
7920ce38 | 579 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
b34976b6 | 580 | extern bfd_boolean _bfd_coff_write_global_sym |
7686d77d | 581 | (struct bfd_hash_entry *, void *); |
b34976b6 | 582 | extern bfd_boolean _bfd_coff_write_task_globals |
7920ce38 | 583 | (struct coff_link_hash_entry *, void *); |
b34976b6 | 584 | extern bfd_boolean _bfd_coff_link_input_bfd |
7920ce38 | 585 | (struct coff_final_link_info *, bfd *); |
b34976b6 | 586 | extern bfd_boolean _bfd_coff_reloc_link_order |
7920ce38 NC |
587 | (bfd *, struct coff_final_link_info *, asection *, |
588 | struct bfd_link_order *); | |
252b5132 RH |
589 | |
590 | ||
591 | #define coff_get_section_contents_in_window \ | |
592 | _bfd_generic_get_section_contents_in_window | |
593 | ||
594 | /* Functions in xcofflink.c. */ | |
595 | ||
dc810e39 | 596 | extern long _bfd_xcoff_get_dynamic_symtab_upper_bound |
7920ce38 | 597 | (bfd *); |
252b5132 | 598 | extern long _bfd_xcoff_canonicalize_dynamic_symtab |
7920ce38 | 599 | (bfd *, asymbol **); |
dc810e39 | 600 | extern long _bfd_xcoff_get_dynamic_reloc_upper_bound |
7920ce38 | 601 | (bfd *); |
252b5132 | 602 | extern long _bfd_xcoff_canonicalize_dynamic_reloc |
7920ce38 | 603 | (bfd *, arelent **, asymbol **); |
252b5132 | 604 | extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create |
7920ce38 | 605 | (bfd *); |
e2d34d7d | 606 | extern void _bfd_xcoff_bfd_link_hash_table_free |
7920ce38 | 607 | (struct bfd_link_hash_table *); |
b34976b6 | 608 | extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols |
7920ce38 | 609 | (bfd *, struct bfd_link_info *); |
b34976b6 | 610 | extern bfd_boolean _bfd_xcoff_bfd_final_link |
7920ce38 | 611 | (bfd *, struct bfd_link_info *); |
3023e3f6 RS |
612 | extern bfd_boolean _bfd_xcoff_define_common_symbol |
613 | (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); | |
b34976b6 | 614 | extern bfd_boolean _bfd_ppc_xcoff_relocate_section |
7920ce38 NC |
615 | (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
616 | struct internal_reloc *, struct internal_syment *, asection **); | |
252b5132 | 617 | |
88183869 | 618 | /* Functions in coff-ppc.c. FIXME: These are called by pe.em in the |
252b5132 RH |
619 | linker, and so should start with bfd and be declared in bfd.h. */ |
620 | ||
b34976b6 | 621 | extern bfd_boolean ppc_allocate_toc_section |
7920ce38 | 622 | (struct bfd_link_info *); |
b34976b6 | 623 | extern bfd_boolean ppc_process_before_allocation |
7920ce38 | 624 | (bfd *, struct bfd_link_info *); |