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252b5132 | 1 | /* BFD COFF object file private structure. |
5dccc1dd | 2 | Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999 |
252b5132 RH |
3 | Free Software Foundation, Inc. |
4 | Written by Cygnus Support. | |
5 | ||
6 | ** NOTE: libcoff.h is a GENERATED file. Don't change it; instead, | |
7 | ** change libcoff-in.h or coffcode.h. | |
8 | ||
9 | This file is part of BFD, the Binary File Descriptor library. | |
10 | ||
11 | This program is free software; you can redistribute it and/or modify | |
12 | it under the terms of the GNU General Public License as published by | |
13 | the Free Software Foundation; either version 2 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU General Public License | |
22 | along with this program; if not, write to the Free Software | |
23 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
24 | ||
25 | #include "bfdlink.h" | |
26 | ||
27 | /* Object file tdata; access macros */ | |
28 | ||
29 | #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) | |
30 | #define exec_hdr(bfd) (coff_data(bfd)->hdr) | |
31 | #define obj_pe(bfd) (coff_data(bfd)->pe) | |
32 | #define obj_symbols(bfd) (coff_data(bfd)->symbols) | |
33 | #define obj_sym_filepos(bfd) (coff_data(bfd)->sym_filepos) | |
34 | ||
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 | ||
41 | #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) | |
42 | #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) | |
43 | #define obj_coff_strings(bfd) (coff_data (bfd)->strings) | |
44 | #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings) | |
45 | #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes) | |
46 | ||
47 | #define obj_coff_local_toc_table(bfd) (coff_data(bfd)->local_toc_sym_map) | |
48 | ||
49 | /* `Tdata' information kept for COFF files. */ | |
50 | ||
51 | typedef struct coff_tdata | |
52 | { | |
53 | struct coff_symbol_struct *symbols; /* symtab for input bfd */ | |
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 RH |
60 | |
61 | /* These are only valid once writing has begun */ | |
62 | long int relocbase; | |
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. */ | |
77 | PTR external_syms; | |
78 | /* If this is true, the external_syms may not be freed. */ | |
79 | boolean keep_syms; | |
80 | ||
81 | /* The string table. May be NULL. Read by | |
82 | _bfd_coff_read_string_table. */ | |
83 | char *strings; | |
84 | /* If this is true, the strings may not be freed. */ | |
85 | boolean keep_strings; | |
86 | ||
87 | /* is this a PE format coff file */ | |
88 | int pe; | |
89 | /* Used by the COFF backend linker. */ | |
90 | struct coff_link_hash_entry **sym_hashes; | |
91 | ||
92 | /* used by the pe linker for PowerPC */ | |
93 | int *local_toc_sym_map; | |
94 | ||
95 | struct bfd_link_info *link_info; | |
96 | ||
97 | /* Used by coff_find_nearest_line. */ | |
98 | PTR line_info; | |
99 | ||
00692651 ILT |
100 | /* The timestamp from the COFF file header. */ |
101 | long timestamp; | |
102 | ||
252b5132 RH |
103 | /* Copy of some of the f_flags bits in the COFF filehdr structure, |
104 | used by ARM code. */ | |
105 | flagword flags; | |
106 | ||
107 | } coff_data_type; | |
108 | ||
109 | /* Tdata for pe image files. */ | |
110 | typedef struct pe_tdata | |
111 | { | |
112 | coff_data_type coff; | |
113 | struct internal_extra_pe_aouthdr pe_opthdr; | |
114 | int dll; | |
115 | int has_reloc_section; | |
116 | boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *)); | |
117 | flagword real_flags; | |
118 | } pe_data_type; | |
119 | ||
120 | #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) | |
121 | ||
122 | /* Tdata for XCOFF files. */ | |
123 | ||
124 | struct xcoff_tdata | |
125 | { | |
126 | /* Basic COFF information. */ | |
127 | coff_data_type coff; | |
128 | ||
129 | /* True if a large a.out header should be generated. */ | |
130 | boolean full_aouthdr; | |
131 | ||
132 | /* TOC value. */ | |
133 | bfd_vma toc; | |
134 | ||
135 | /* Index of section holding TOC. */ | |
136 | int sntoc; | |
137 | ||
138 | /* Index of section holding entry point. */ | |
139 | int snentry; | |
140 | ||
141 | /* .text alignment from optional header. */ | |
142 | int text_align_power; | |
143 | ||
144 | /* .data alignment from optional header. */ | |
145 | int data_align_power; | |
146 | ||
147 | /* modtype from optional header. */ | |
148 | short modtype; | |
149 | ||
150 | /* cputype from optional header. */ | |
151 | short cputype; | |
152 | ||
153 | /* maxdata from optional header. */ | |
154 | bfd_size_type maxdata; | |
155 | ||
156 | /* maxstack from optional header. */ | |
157 | bfd_size_type maxstack; | |
158 | ||
159 | /* Used by the XCOFF backend linker. */ | |
160 | asection **csects; | |
161 | unsigned long *debug_indices; | |
162 | unsigned int import_file_id; | |
163 | }; | |
164 | ||
165 | #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) | |
166 | ||
167 | /* We take the address of the first element of a asymbol to ensure that the | |
168 | * macro is only ever applied to an asymbol. */ | |
169 | #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) | |
170 | ||
171 | /* The used_by_bfd field of a section may be set to a pointer to this | |
172 | structure. */ | |
173 | ||
174 | struct coff_section_tdata | |
175 | { | |
176 | /* The relocs, swapped into COFF internal form. This may be NULL. */ | |
177 | struct internal_reloc *relocs; | |
178 | /* If this is true, the relocs entry may not be freed. */ | |
179 | boolean keep_relocs; | |
180 | /* The section contents. This may be NULL. */ | |
181 | bfd_byte *contents; | |
182 | /* If this is true, the contents entry may not be freed. */ | |
183 | boolean keep_contents; | |
184 | /* Information cached by coff_find_nearest_line. */ | |
185 | bfd_vma offset; | |
186 | unsigned int i; | |
187 | const char *function; | |
188 | int line_base; | |
189 | /* A pointer used for .stab linking optimizations. */ | |
190 | PTR stab_info; | |
191 | /* Available for individual backends. */ | |
192 | PTR tdata; | |
193 | }; | |
194 | ||
195 | /* An accessor macro for the coff_section_tdata structure. */ | |
196 | #define coff_section_data(abfd, sec) \ | |
197 | ((struct coff_section_tdata *) (sec)->used_by_bfd) | |
198 | ||
199 | /* Tdata for sections in XCOFF files. This is used by the linker. */ | |
200 | ||
201 | struct xcoff_section_tdata | |
202 | { | |
203 | /* Used for XCOFF csects created by the linker; points to the real | |
204 | XCOFF section which contains this csect. */ | |
205 | asection *enclosing; | |
206 | /* The lineno_count field for the enclosing section, because we are | |
207 | going to clobber it there. */ | |
208 | unsigned int lineno_count; | |
209 | /* The first and one past the last symbol indices for symbols used | |
210 | by this csect. */ | |
211 | unsigned long first_symndx; | |
212 | unsigned long last_symndx; | |
213 | }; | |
214 | ||
215 | /* An accessor macro the xcoff_section_tdata structure. */ | |
216 | #define xcoff_section_data(abfd, sec) \ | |
217 | ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) | |
218 | ||
8d3ad4e1 | 219 | /* Tdata for sections in PE files. */ |
252b5132 RH |
220 | |
221 | struct pei_section_tdata | |
222 | { | |
223 | /* The virtual size of the section. */ | |
224 | bfd_size_type virt_size; | |
8d3ad4e1 ILT |
225 | /* The PE section flags. */ |
226 | long pe_flags; | |
252b5132 RH |
227 | }; |
228 | ||
229 | /* An accessor macro for the pei_section_tdata structure. */ | |
230 | #define pei_section_data(abfd, sec) \ | |
231 | ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata) | |
232 | ||
233 | /* COFF linker hash table entries. */ | |
234 | ||
235 | struct coff_link_hash_entry | |
236 | { | |
237 | struct bfd_link_hash_entry root; | |
238 | ||
239 | /* Symbol index in output file. Set to -1 initially. Set to -2 if | |
240 | there is a reloc against this symbol. */ | |
241 | long indx; | |
242 | ||
243 | /* Symbol type. */ | |
244 | unsigned short type; | |
245 | ||
246 | /* Symbol class. */ | |
247 | unsigned char class; | |
248 | ||
249 | /* Number of auxiliary entries. */ | |
250 | char numaux; | |
251 | ||
252 | /* BFD to take auxiliary entries from. */ | |
253 | bfd *auxbfd; | |
254 | ||
255 | /* Pointer to array of auxiliary entries, if any. */ | |
256 | union internal_auxent *aux; | |
7fd9c191 ILT |
257 | |
258 | /* Flag word; legal values follow. */ | |
259 | unsigned short coff_link_hash_flags; | |
260 | /* Symbol is a PE section symbol. */ | |
261 | #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) | |
252b5132 RH |
262 | }; |
263 | ||
264 | /* COFF linker hash table. */ | |
265 | ||
266 | struct coff_link_hash_table | |
267 | { | |
268 | struct bfd_link_hash_table root; | |
269 | /* A pointer to information used to link stabs in sections. */ | |
270 | PTR stab_info; | |
271 | }; | |
272 | ||
273 | /* Look up an entry in a COFF linker hash table. */ | |
274 | ||
275 | #define coff_link_hash_lookup(table, string, create, copy, follow) \ | |
276 | ((struct coff_link_hash_entry *) \ | |
277 | bfd_link_hash_lookup (&(table)->root, (string), (create), \ | |
278 | (copy), (follow))) | |
279 | ||
280 | /* Traverse a COFF linker hash table. */ | |
281 | ||
282 | #define coff_link_hash_traverse(table, func, info) \ | |
283 | (bfd_link_hash_traverse \ | |
284 | (&(table)->root, \ | |
285 | (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \ | |
286 | (info))) | |
287 | ||
288 | /* Get the COFF linker hash table from a link_info structure. */ | |
289 | ||
290 | #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash)) | |
291 | ||
292 | /* Functions in coffgen.c. */ | |
293 | extern const bfd_target *coff_object_p PARAMS ((bfd *)); | |
294 | extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int)); | |
295 | extern long coff_get_symtab_upper_bound PARAMS ((bfd *)); | |
296 | extern long coff_get_symtab PARAMS ((bfd *, asymbol **)); | |
297 | extern int coff_count_linenumbers PARAMS ((bfd *)); | |
298 | extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *)); | |
299 | extern boolean coff_renumber_symbols PARAMS ((bfd *, int *)); | |
300 | extern void coff_mangle_symbols PARAMS ((bfd *)); | |
301 | extern boolean coff_write_symbols PARAMS ((bfd *)); | |
302 | extern boolean coff_write_linenumbers PARAMS ((bfd *)); | |
303 | extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *)); | |
304 | extern asymbol *coff_section_symbol PARAMS ((bfd *, char *)); | |
305 | extern boolean _bfd_coff_get_external_symbols PARAMS ((bfd *)); | |
306 | extern const char *_bfd_coff_read_string_table PARAMS ((bfd *)); | |
307 | extern boolean _bfd_coff_free_symbols PARAMS ((bfd *)); | |
308 | extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *)); | |
309 | extern long coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr)); | |
310 | extern asymbol *coff_make_empty_symbol PARAMS ((bfd *)); | |
311 | extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *, | |
312 | bfd_print_symbol_type how)); | |
313 | extern void coff_get_symbol_info PARAMS ((bfd *, asymbol *, | |
314 | symbol_info *ret)); | |
315 | extern boolean _bfd_coff_is_local_label_name PARAMS ((bfd *, const char *)); | |
316 | extern asymbol *coff_bfd_make_debug_symbol PARAMS ((bfd *, PTR, | |
317 | unsigned long)); | |
318 | extern boolean coff_find_nearest_line PARAMS ((bfd *, | |
319 | asection *, | |
320 | asymbol **, | |
321 | bfd_vma offset, | |
322 | CONST char **filename_ptr, | |
323 | CONST char **functionname_ptr, | |
324 | unsigned int *line_ptr)); | |
325 | extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc)); | |
326 | extern boolean bfd_coff_reloc16_relax_section | |
327 | PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *)); | |
328 | extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents | |
329 | PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, | |
330 | bfd_byte *, boolean relocateable, asymbol **)); | |
331 | extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *, | |
332 | struct bfd_link_info *, | |
333 | asection *)); | |
334 | extern void bfd_perform_slip PARAMS ((bfd *abfd, unsigned int slip, | |
335 | asection *input_section, | |
336 | bfd_vma val)); | |
337 | ||
338 | /* Functions and types in cofflink.c. */ | |
339 | ||
340 | #define STRING_SIZE_SIZE (4) | |
341 | ||
342 | /* We use a hash table to merge identical enum, struct, and union | |
343 | definitions in the linker. */ | |
344 | ||
345 | /* Information we keep for a single element (an enum value, a | |
346 | structure or union field) in the debug merge hash table. */ | |
347 | ||
348 | struct coff_debug_merge_element | |
349 | { | |
350 | /* Next element. */ | |
351 | struct coff_debug_merge_element *next; | |
352 | ||
353 | /* Name. */ | |
354 | const char *name; | |
355 | ||
356 | /* Type. */ | |
357 | unsigned int type; | |
358 | ||
359 | /* Symbol index for complex type. */ | |
360 | long tagndx; | |
361 | }; | |
362 | ||
363 | /* A linked list of debug merge entries for a given name. */ | |
364 | ||
365 | struct coff_debug_merge_type | |
366 | { | |
367 | /* Next type with the same name. */ | |
368 | struct coff_debug_merge_type *next; | |
369 | ||
370 | /* Class of type. */ | |
371 | int class; | |
372 | ||
373 | /* Symbol index where this type is defined. */ | |
374 | long indx; | |
375 | ||
376 | /* List of elements. */ | |
377 | struct coff_debug_merge_element *elements; | |
378 | }; | |
379 | ||
380 | /* Information we store in the debug merge hash table. */ | |
381 | ||
382 | struct coff_debug_merge_hash_entry | |
383 | { | |
384 | struct bfd_hash_entry root; | |
385 | ||
386 | /* A list of types with this name. */ | |
387 | struct coff_debug_merge_type *types; | |
388 | }; | |
389 | ||
390 | /* The debug merge hash table. */ | |
391 | ||
392 | struct coff_debug_merge_hash_table | |
393 | { | |
394 | struct bfd_hash_table root; | |
395 | }; | |
396 | ||
397 | /* Initialize a COFF debug merge hash table. */ | |
398 | ||
399 | #define coff_debug_merge_hash_table_init(table) \ | |
400 | (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc)) | |
401 | ||
402 | /* Free a COFF debug merge hash table. */ | |
403 | ||
404 | #define coff_debug_merge_hash_table_free(table) \ | |
405 | (bfd_hash_table_free (&(table)->root)) | |
406 | ||
407 | /* Look up an entry in a COFF debug merge hash table. */ | |
408 | ||
409 | #define coff_debug_merge_hash_lookup(table, string, create, copy) \ | |
410 | ((struct coff_debug_merge_hash_entry *) \ | |
411 | bfd_hash_lookup (&(table)->root, (string), (create), (copy))) | |
412 | ||
413 | /* Information we keep for each section in the output file when doing | |
414 | a relocateable link. */ | |
415 | ||
416 | struct coff_link_section_info | |
417 | { | |
418 | /* The relocs to be output. */ | |
419 | struct internal_reloc *relocs; | |
420 | /* For each reloc against a global symbol whose index was not known | |
421 | when the reloc was handled, the global hash table entry. */ | |
422 | struct coff_link_hash_entry **rel_hashes; | |
423 | }; | |
424 | ||
425 | /* Information that we pass around while doing the final link step. */ | |
426 | ||
427 | struct coff_final_link_info | |
428 | { | |
429 | /* General link information. */ | |
430 | struct bfd_link_info *info; | |
431 | /* Output BFD. */ | |
432 | bfd *output_bfd; | |
433 | /* Used to indicate failure in traversal routine. */ | |
434 | boolean failed; | |
435 | /* If doing "task linking" set only during the time when we want the | |
436 | global symbol writer to convert the storage class of defined global | |
437 | symbols from global to static. */ | |
438 | boolean global_to_static; | |
439 | /* Hash table for long symbol names. */ | |
440 | struct bfd_strtab_hash *strtab; | |
441 | /* When doing a relocateable link, an array of information kept for | |
442 | each output section, indexed by the target_index field. */ | |
443 | struct coff_link_section_info *section_info; | |
444 | /* Symbol index of last C_FILE symbol (-1 if none). */ | |
445 | long last_file_index; | |
446 | /* Contents of last C_FILE symbol. */ | |
447 | struct internal_syment last_file; | |
448 | /* Symbol index of first aux entry of last .bf symbol with an empty | |
449 | endndx field (-1 if none). */ | |
450 | long last_bf_index; | |
451 | /* Contents of last_bf_index aux entry. */ | |
452 | union internal_auxent last_bf; | |
453 | /* Hash table used to merge debug information. */ | |
454 | struct coff_debug_merge_hash_table debug_merge; | |
455 | /* Buffer large enough to hold swapped symbols of any input file. */ | |
456 | struct internal_syment *internal_syms; | |
457 | /* Buffer large enough to hold sections of symbols of any input file. */ | |
458 | asection **sec_ptrs; | |
459 | /* Buffer large enough to hold output indices of symbols of any | |
460 | input file. */ | |
461 | long *sym_indices; | |
462 | /* Buffer large enough to hold output symbols for any input file. */ | |
463 | bfd_byte *outsyms; | |
464 | /* Buffer large enough to hold external line numbers for any input | |
465 | section. */ | |
466 | bfd_byte *linenos; | |
467 | /* Buffer large enough to hold any input section. */ | |
468 | bfd_byte *contents; | |
469 | /* Buffer large enough to hold external relocs of any input section. */ | |
470 | bfd_byte *external_relocs; | |
471 | /* Buffer large enough to hold swapped relocs of any input section. */ | |
472 | struct internal_reloc *internal_relocs; | |
473 | }; | |
474 | ||
5dccc1dd ILT |
475 | /* Most COFF variants have no way to record the alignment of a |
476 | section. This struct is used to set a specific alignment based on | |
477 | the name of the section. */ | |
478 | ||
479 | struct coff_section_alignment_entry | |
480 | { | |
481 | /* The section name. */ | |
482 | const char *name; | |
483 | ||
484 | /* This is either (unsigned int) -1, indicating that the section | |
485 | name must match exactly, or it is the number of letters which | |
486 | must match at the start of the name. */ | |
487 | unsigned int comparison_length; | |
488 | ||
489 | /* These macros may be used to fill in the first two fields in a | |
490 | structure initialization. */ | |
491 | #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) | |
492 | #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) | |
493 | ||
494 | /* Only use this entry if the default section alignment for this | |
495 | target is at least that much (as a power of two). If this field | |
496 | is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ | |
497 | unsigned int default_alignment_min; | |
498 | ||
499 | /* Only use this entry if the default section alignment for this | |
500 | target is no greater than this (as a power of two). If this | |
501 | field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ | |
502 | unsigned int default_alignment_max; | |
503 | ||
504 | #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) | |
505 | ||
506 | /* The desired alignment for this section (as a power of two). */ | |
507 | unsigned int alignment_power; | |
508 | }; | |
509 | ||
252b5132 RH |
510 | extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc |
511 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
512 | extern boolean _bfd_coff_link_hash_table_init | |
513 | PARAMS ((struct coff_link_hash_table *, bfd *, | |
514 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
515 | struct bfd_hash_table *, | |
516 | const char *))); | |
517 | extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create | |
518 | PARAMS ((bfd *)); | |
519 | extern const char *_bfd_coff_internal_syment_name | |
520 | PARAMS ((bfd *, const struct internal_syment *, char *)); | |
521 | extern boolean _bfd_coff_link_add_symbols | |
522 | PARAMS ((bfd *, struct bfd_link_info *)); | |
523 | extern boolean _bfd_coff_final_link | |
524 | PARAMS ((bfd *, struct bfd_link_info *)); | |
525 | extern struct internal_reloc *_bfd_coff_read_internal_relocs | |
526 | PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean, | |
527 | struct internal_reloc *)); | |
528 | extern boolean _bfd_coff_generic_relocate_section | |
529 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, | |
530 | struct internal_reloc *, struct internal_syment *, asection **)); | |
531 | ||
532 | extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc | |
533 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
534 | extern boolean _bfd_coff_write_global_sym | |
535 | PARAMS ((struct coff_link_hash_entry *, PTR)); | |
536 | extern boolean _bfd_coff_write_task_globals | |
537 | PARAMS ((struct coff_link_hash_entry *, PTR)); | |
538 | extern boolean _bfd_coff_link_input_bfd | |
539 | PARAMS ((struct coff_final_link_info *, bfd *)); | |
540 | extern boolean _bfd_coff_reloc_link_order | |
541 | PARAMS ((bfd *, struct coff_final_link_info *, asection *, | |
542 | struct bfd_link_order *)); | |
543 | ||
544 | ||
545 | #define coff_get_section_contents_in_window \ | |
546 | _bfd_generic_get_section_contents_in_window | |
547 | ||
548 | /* Functions in xcofflink.c. */ | |
549 | ||
550 | extern long _bfd_xcoff_get_dynamic_symtab_upper_bound PARAMS ((bfd *)); | |
551 | extern long _bfd_xcoff_canonicalize_dynamic_symtab | |
552 | PARAMS ((bfd *, asymbol **)); | |
553 | extern long _bfd_xcoff_get_dynamic_reloc_upper_bound PARAMS ((bfd *)); | |
554 | extern long _bfd_xcoff_canonicalize_dynamic_reloc | |
555 | PARAMS ((bfd *, arelent **, asymbol **)); | |
556 | extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create | |
557 | PARAMS ((bfd *)); | |
558 | extern boolean _bfd_xcoff_bfd_link_add_symbols | |
559 | PARAMS ((bfd *, struct bfd_link_info *)); | |
560 | extern boolean _bfd_xcoff_bfd_final_link | |
561 | PARAMS ((bfd *, struct bfd_link_info *)); | |
562 | extern boolean _bfd_ppc_xcoff_relocate_section | |
563 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, | |
564 | struct internal_reloc *, struct internal_syment *, asection **)); | |
565 | ||
566 | /* Functions in coff-ppc.c. FIXME: These are called be pe.em in the | |
567 | linker, and so should start with bfd and be declared in bfd.h. */ | |
568 | ||
569 | extern boolean ppc_allocate_toc_section PARAMS ((struct bfd_link_info *)); | |
570 | extern boolean ppc_process_before_allocation | |
571 | PARAMS ((bfd *, struct bfd_link_info *)); | |
572 | ||
573 | /* And more taken from the source .. */ | |
574 | ||
575 | typedef struct coff_ptr_struct | |
576 | { | |
577 | ||
578 | /* Remembers the offset from the first symbol in the file for | |
579 | this symbol. Generated by coff_renumber_symbols. */ | |
580 | unsigned int offset; | |
581 | ||
582 | /* Should the value of this symbol be renumbered. Used for | |
583 | XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ | |
584 | unsigned int fix_value : 1; | |
585 | ||
586 | /* Should the tag field of this symbol be renumbered. | |
587 | Created by coff_pointerize_aux. */ | |
588 | unsigned int fix_tag : 1; | |
589 | ||
590 | /* Should the endidx field of this symbol be renumbered. | |
591 | Created by coff_pointerize_aux. */ | |
592 | unsigned int fix_end : 1; | |
593 | ||
594 | /* Should the x_csect.x_scnlen field be renumbered. | |
595 | Created by coff_pointerize_aux. */ | |
596 | unsigned int fix_scnlen : 1; | |
597 | ||
598 | /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the | |
599 | index into the line number entries. Set by | |
600 | coff_slurp_symbol_table. */ | |
601 | unsigned int fix_line : 1; | |
602 | ||
603 | /* The container for the symbol structure as read and translated | |
604 | from the file. */ | |
605 | ||
606 | union { | |
607 | union internal_auxent auxent; | |
608 | struct internal_syment syment; | |
609 | } u; | |
610 | } combined_entry_type; | |
611 | ||
612 | ||
613 | /* Each canonical asymbol really looks like this: */ | |
614 | ||
615 | typedef struct coff_symbol_struct | |
616 | { | |
617 | /* The actual symbol which the rest of BFD works with */ | |
618 | asymbol symbol; | |
619 | ||
620 | /* A pointer to the hidden information for this symbol */ | |
621 | combined_entry_type *native; | |
622 | ||
623 | /* A pointer to the linenumber information for this symbol */ | |
624 | struct lineno_cache_entry *lineno; | |
625 | ||
626 | /* Have the line numbers been relocated yet ? */ | |
627 | boolean done_lineno; | |
628 | } coff_symbol_type; | |
5d54c628 ILT |
629 | /* COFF symbol classifications. */ |
630 | ||
631 | enum coff_symbol_classification | |
632 | { | |
633 | /* Global symbol. */ | |
634 | COFF_SYMBOL_GLOBAL, | |
635 | /* Common symbol. */ | |
636 | COFF_SYMBOL_COMMON, | |
637 | /* Undefined symbol. */ | |
638 | COFF_SYMBOL_UNDEFINED, | |
639 | /* Local symbol. */ | |
640 | COFF_SYMBOL_LOCAL, | |
641 | /* PE section symbol. */ | |
642 | COFF_SYMBOL_PE_SECTION | |
643 | }; | |
644 | ||
252b5132 RH |
645 | typedef struct |
646 | { | |
647 | void (*_bfd_coff_swap_aux_in) PARAMS (( | |
648 | bfd *abfd, | |
649 | PTR ext, | |
650 | int type, | |
651 | int class, | |
652 | int indaux, | |
653 | int numaux, | |
654 | PTR in)); | |
655 | ||
656 | void (*_bfd_coff_swap_sym_in) PARAMS (( | |
657 | bfd *abfd , | |
658 | PTR ext, | |
659 | PTR in)); | |
660 | ||
661 | void (*_bfd_coff_swap_lineno_in) PARAMS (( | |
662 | bfd *abfd, | |
663 | PTR ext, | |
664 | PTR in)); | |
665 | ||
666 | unsigned int (*_bfd_coff_swap_aux_out) PARAMS (( | |
667 | bfd *abfd, | |
668 | PTR in, | |
669 | int type, | |
670 | int class, | |
671 | int indaux, | |
672 | int numaux, | |
673 | PTR ext)); | |
674 | ||
675 | unsigned int (*_bfd_coff_swap_sym_out) PARAMS (( | |
676 | bfd *abfd, | |
677 | PTR in, | |
678 | PTR ext)); | |
679 | ||
680 | unsigned int (*_bfd_coff_swap_lineno_out) PARAMS (( | |
681 | bfd *abfd, | |
682 | PTR in, | |
683 | PTR ext)); | |
684 | ||
685 | unsigned int (*_bfd_coff_swap_reloc_out) PARAMS (( | |
686 | bfd *abfd, | |
687 | PTR src, | |
688 | PTR dst)); | |
689 | ||
690 | unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS (( | |
691 | bfd *abfd, | |
692 | PTR in, | |
693 | PTR out)); | |
694 | ||
695 | unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS (( | |
696 | bfd *abfd, | |
697 | PTR in, | |
698 | PTR out)); | |
699 | ||
700 | unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS (( | |
701 | bfd *abfd, | |
702 | PTR in, | |
703 | PTR out)); | |
704 | ||
705 | unsigned int _bfd_filhsz; | |
706 | unsigned int _bfd_aoutsz; | |
707 | unsigned int _bfd_scnhsz; | |
708 | unsigned int _bfd_symesz; | |
709 | unsigned int _bfd_auxesz; | |
710 | unsigned int _bfd_relsz; | |
711 | unsigned int _bfd_linesz; | |
692b7d62 | 712 | unsigned int _bfd_filnmlen; |
252b5132 RH |
713 | boolean _bfd_coff_long_filenames; |
714 | boolean _bfd_coff_long_section_names; | |
715 | unsigned int _bfd_coff_default_section_alignment_power; | |
7f6d05e8 CP |
716 | boolean _bfd_coff_force_symnames_in_strings; |
717 | unsigned int _bfd_coff_debug_string_prefix_length; | |
252b5132 RH |
718 | void (*_bfd_coff_swap_filehdr_in) PARAMS (( |
719 | bfd *abfd, | |
720 | PTR ext, | |
721 | PTR in)); | |
722 | void (*_bfd_coff_swap_aouthdr_in) PARAMS (( | |
723 | bfd *abfd, | |
724 | PTR ext, | |
725 | PTR in)); | |
726 | void (*_bfd_coff_swap_scnhdr_in) PARAMS (( | |
727 | bfd *abfd, | |
728 | PTR ext, | |
729 | PTR in)); | |
730 | void (*_bfd_coff_swap_reloc_in) PARAMS (( | |
731 | bfd *abfd, | |
732 | PTR ext, | |
733 | PTR in)); | |
734 | boolean (*_bfd_coff_bad_format_hook) PARAMS (( | |
735 | bfd *abfd, | |
736 | PTR internal_filehdr)); | |
737 | boolean (*_bfd_coff_set_arch_mach_hook) PARAMS (( | |
738 | bfd *abfd, | |
739 | PTR internal_filehdr)); | |
740 | PTR (*_bfd_coff_mkobject_hook) PARAMS (( | |
741 | bfd *abfd, | |
742 | PTR internal_filehdr, | |
743 | PTR internal_aouthdr)); | |
744 | flagword (*_bfd_styp_to_sec_flags_hook) PARAMS (( | |
745 | bfd *abfd, | |
746 | PTR internal_scnhdr, | |
41733515 ILT |
747 | const char *name, |
748 | asection *section)); | |
252b5132 RH |
749 | void (*_bfd_set_alignment_hook) PARAMS (( |
750 | bfd *abfd, | |
751 | asection *sec, | |
752 | PTR internal_scnhdr)); | |
753 | boolean (*_bfd_coff_slurp_symbol_table) PARAMS (( | |
754 | bfd *abfd)); | |
755 | boolean (*_bfd_coff_symname_in_debug) PARAMS (( | |
756 | bfd *abfd, | |
757 | struct internal_syment *sym)); | |
758 | boolean (*_bfd_coff_pointerize_aux_hook) PARAMS (( | |
759 | bfd *abfd, | |
760 | combined_entry_type *table_base, | |
761 | combined_entry_type *symbol, | |
762 | unsigned int indaux, | |
763 | combined_entry_type *aux)); | |
764 | boolean (*_bfd_coff_print_aux) PARAMS (( | |
765 | bfd *abfd, | |
766 | FILE *file, | |
767 | combined_entry_type *table_base, | |
768 | combined_entry_type *symbol, | |
769 | combined_entry_type *aux, | |
770 | unsigned int indaux)); | |
771 | void (*_bfd_coff_reloc16_extra_cases) PARAMS (( | |
772 | bfd *abfd, | |
773 | struct bfd_link_info *link_info, | |
774 | struct bfd_link_order *link_order, | |
775 | arelent *reloc, | |
776 | bfd_byte *data, | |
777 | unsigned int *src_ptr, | |
778 | unsigned int *dst_ptr)); | |
779 | int (*_bfd_coff_reloc16_estimate) PARAMS (( | |
780 | bfd *abfd, | |
781 | asection *input_section, | |
782 | arelent *r, | |
783 | unsigned int shrink, | |
784 | struct bfd_link_info *link_info)); | |
5d54c628 | 785 | enum coff_symbol_classification (*_bfd_coff_classify_symbol) PARAMS (( |
252b5132 RH |
786 | bfd *abfd, |
787 | struct internal_syment *)); | |
788 | boolean (*_bfd_coff_compute_section_file_positions) PARAMS (( | |
789 | bfd *abfd)); | |
790 | boolean (*_bfd_coff_start_final_link) PARAMS (( | |
791 | bfd *output_bfd, | |
792 | struct bfd_link_info *info)); | |
793 | boolean (*_bfd_coff_relocate_section) PARAMS (( | |
794 | bfd *output_bfd, | |
795 | struct bfd_link_info *info, | |
796 | bfd *input_bfd, | |
797 | asection *input_section, | |
798 | bfd_byte *contents, | |
799 | struct internal_reloc *relocs, | |
800 | struct internal_syment *syms, | |
801 | asection **sections)); | |
802 | reloc_howto_type *(*_bfd_coff_rtype_to_howto) PARAMS (( | |
803 | bfd *abfd, | |
804 | asection *sec, | |
805 | struct internal_reloc *rel, | |
806 | struct coff_link_hash_entry *h, | |
807 | struct internal_syment *sym, | |
808 | bfd_vma *addendp)); | |
809 | boolean (*_bfd_coff_adjust_symndx) PARAMS (( | |
810 | bfd *obfd, | |
811 | struct bfd_link_info *info, | |
812 | bfd *ibfd, | |
813 | asection *sec, | |
814 | struct internal_reloc *reloc, | |
815 | boolean *adjustedp)); | |
816 | boolean (*_bfd_coff_link_add_one_symbol) PARAMS (( | |
817 | struct bfd_link_info *info, | |
818 | bfd *abfd, | |
819 | const char *name, | |
820 | flagword flags, | |
821 | asection *section, | |
822 | bfd_vma value, | |
823 | const char *string, | |
824 | boolean copy, | |
825 | boolean collect, | |
826 | struct bfd_link_hash_entry **hashp)); | |
827 | ||
828 | boolean (*_bfd_coff_link_output_has_begun) PARAMS (( | |
829 | bfd * abfd, | |
830 | struct coff_final_link_info * pfinfo)); | |
831 | boolean (*_bfd_coff_final_link_postscript) PARAMS (( | |
832 | bfd * abfd, | |
833 | struct coff_final_link_info * pfinfo)); | |
834 | ||
835 | } bfd_coff_backend_data; | |
836 | ||
837 | #define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) | |
838 | ||
839 | #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ | |
840 | ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) | |
841 | ||
842 | #define bfd_coff_swap_sym_in(a,e,i) \ | |
843 | ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) | |
844 | ||
845 | #define bfd_coff_swap_lineno_in(a,e,i) \ | |
846 | ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) | |
847 | ||
848 | #define bfd_coff_swap_reloc_out(abfd, i, o) \ | |
849 | ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) | |
850 | ||
851 | #define bfd_coff_swap_lineno_out(abfd, i, o) \ | |
852 | ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) | |
853 | ||
854 | #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ | |
855 | ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) | |
856 | ||
857 | #define bfd_coff_swap_sym_out(abfd, i,o) \ | |
858 | ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) | |
859 | ||
860 | #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ | |
861 | ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) | |
862 | ||
863 | #define bfd_coff_swap_filehdr_out(abfd, i,o) \ | |
864 | ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) | |
865 | ||
866 | #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ | |
867 | ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) | |
868 | ||
869 | #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) | |
870 | #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) | |
871 | #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) | |
872 | #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) | |
873 | #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) | |
874 | #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) | |
875 | #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) | |
692b7d62 | 876 | #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) |
252b5132 RH |
877 | #define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames) |
878 | #define bfd_coff_long_section_names(abfd) \ | |
879 | (coff_backend_info (abfd)->_bfd_coff_long_section_names) | |
880 | #define bfd_coff_default_section_alignment_power(abfd) \ | |
881 | (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) | |
882 | #define bfd_coff_swap_filehdr_in(abfd, i,o) \ | |
883 | ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) | |
884 | ||
885 | #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ | |
886 | ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) | |
887 | ||
888 | #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ | |
889 | ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) | |
890 | ||
891 | #define bfd_coff_swap_reloc_in(abfd, i, o) \ | |
892 | ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) | |
893 | ||
894 | #define bfd_coff_bad_format_hook(abfd, filehdr) \ | |
895 | ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) | |
896 | ||
897 | #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ | |
898 | ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) | |
899 | #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ | |
900 | ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr)) | |
901 | ||
41733515 ILT |
902 | #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section)\ |
903 | ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ | |
904 | (abfd, scnhdr, name, section)) | |
252b5132 RH |
905 | |
906 | #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ | |
907 | ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) | |
908 | ||
909 | #define bfd_coff_slurp_symbol_table(abfd)\ | |
910 | ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) | |
911 | ||
912 | #define bfd_coff_symname_in_debug(abfd, sym)\ | |
913 | ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) | |
914 | ||
7f6d05e8 CP |
915 | #define bfd_coff_force_symnames_in_strings(abfd)\ |
916 | (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) | |
917 | ||
918 | #define bfd_coff_debug_string_prefix_length(abfd)\ | |
919 | (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) | |
920 | ||
252b5132 RH |
921 | #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ |
922 | ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ | |
923 | (abfd, file, base, symbol, aux, indaux)) | |
924 | ||
925 | #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\ | |
926 | ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ | |
927 | (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) | |
928 | ||
929 | #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ | |
930 | ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ | |
931 | (abfd, section, reloc, shrink, link_info)) | |
932 | ||
5d54c628 ILT |
933 | #define bfd_coff_classify_symbol(abfd, sym)\ |
934 | ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ | |
252b5132 RH |
935 | (abfd, sym)) |
936 | ||
937 | #define bfd_coff_compute_section_file_positions(abfd)\ | |
938 | ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ | |
939 | (abfd)) | |
940 | ||
941 | #define bfd_coff_start_final_link(obfd, info)\ | |
942 | ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ | |
943 | (obfd, info)) | |
944 | #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ | |
945 | ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ | |
946 | (obfd, info, ibfd, o, con, rel, isyms, secs)) | |
947 | #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ | |
948 | ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ | |
949 | (abfd, sec, rel, h, sym, addendp)) | |
950 | #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ | |
951 | ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ | |
952 | (obfd, info, ibfd, sec, rel, adjustedp)) | |
953 | #define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\ | |
954 | ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ | |
955 | (info, abfd, name, flags, section, value, string, cp, coll, hashp)) | |
956 | ||
957 | #define bfd_coff_link_output_has_begun(a,p) \ | |
958 | ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a,p)) | |
959 | #define bfd_coff_final_link_postscript(a,p) \ | |
960 | ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p)) | |
961 |