* aout-encap.c: Fix comment typos.
[deliverable/binutils-gdb.git] / bfd / libcoff.h
1 /* DO NOT EDIT! -*- buffer-read-only: t -*- This file is automatically
2 generated from "libcoff-in.h" and "coffcode.h".
3 Run "make headers" in your build bfd/ to regenerate. */
4
5 /* BFD COFF object file private structure.
6 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
7 2000, 2001
8 Free Software Foundation, Inc.
9 Written by Cygnus Support.
10
11 This file is part of BFD, the Binary File Descriptor library.
12
13 This program is free software; you can redistribute it and/or modify
14 it under the terms of the GNU General Public License as published by
15 the Free Software Foundation; either version 2 of the License, or
16 (at your option) any later version.
17
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
22
23 You should have received a copy of the GNU General Public License
24 along with this program; if not, write to the Free Software
25 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
26
27 #include "bfdlink.h"
28
29 /* Object file tdata; access macros */
30
31 #define coff_data(bfd) ((bfd)->tdata.coff_obj_data)
32 #define exec_hdr(bfd) (coff_data(bfd)->hdr)
33 #define obj_pe(bfd) (coff_data(bfd)->pe)
34 #define obj_symbols(bfd) (coff_data(bfd)->symbols)
35 #define obj_sym_filepos(bfd) (coff_data(bfd)->sym_filepos)
36
37 #define obj_relocbase(bfd) (coff_data(bfd)->relocbase)
38 #define obj_raw_syments(bfd) (coff_data(bfd)->raw_syments)
39 #define obj_raw_syment_count(bfd) (coff_data(bfd)->raw_syment_count)
40 #define obj_convert(bfd) (coff_data(bfd)->conversion_table)
41 #define obj_conv_table_size(bfd) (coff_data(bfd)->conv_table_size)
42
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)
46 #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings)
47 #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes)
48 #define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written)
49
50 #define obj_coff_local_toc_table(bfd) (coff_data(bfd)->local_toc_sym_map)
51
52 /* `Tdata' information kept for COFF files. */
53
54 typedef struct coff_tdata
55 {
56 struct coff_symbol_struct *symbols; /* symtab for input bfd */
57 unsigned int *conversion_table;
58 int conv_table_size;
59 file_ptr sym_filepos;
60
61 struct coff_ptr_struct *raw_syments;
62 unsigned long raw_syment_count;
63
64 /* These are only valid once writing has begun */
65 long int relocbase;
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. */
80 PTR external_syms;
81 /* If this is true, the external_syms may not be freed. */
82 boolean keep_syms;
83
84 /* The string table. May be NULL. Read by
85 _bfd_coff_read_string_table. */
86 char *strings;
87 /* If this is true, the strings may not be freed. */
88 boolean keep_strings;
89 /* If this is true, the strings have been written out already. */
90 boolean strings_written;
91
92 /* is this a PE format coff file */
93 int pe;
94 /* Used by the COFF backend linker. */
95 struct coff_link_hash_entry **sym_hashes;
96
97 /* used by the pe linker for PowerPC */
98 int *local_toc_sym_map;
99
100 struct bfd_link_info *link_info;
101
102 /* Used by coff_find_nearest_line. */
103 PTR line_info;
104
105 /* A place to stash dwarf2 info for this bfd. */
106 PTR dwarf2_find_line_info;
107
108 /* The timestamp from the COFF file header. */
109 long timestamp;
110
111 /* Copy of some of the f_flags bits in the COFF filehdr structure,
112 used by ARM code. */
113 flagword flags;
114
115 } coff_data_type;
116
117 /* Tdata for pe image files. */
118 typedef struct pe_tdata
119 {
120 coff_data_type coff;
121 struct internal_extra_pe_aouthdr pe_opthdr;
122 int dll;
123 int has_reloc_section;
124 boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *));
125 flagword real_flags;
126 int target_subsystem;
127 boolean force_minimum_alignment;
128 } pe_data_type;
129
130 #define pe_data(bfd) ((bfd)->tdata.pe_obj_data)
131
132 /* Tdata for XCOFF files. */
133
134 struct xcoff_tdata
135 {
136 /* Basic COFF information. */
137 coff_data_type coff;
138
139 /* True if this is an XCOFF64 file. */
140 boolean xcoff64;
141
142 /* True if a large a.out header should be generated. */
143 boolean full_aouthdr;
144
145 /* TOC value. */
146 bfd_vma toc;
147
148 /* Index of section holding TOC. */
149 int sntoc;
150
151 /* Index of section holding entry point. */
152 int snentry;
153
154 /* .text alignment from optional header. */
155 int text_align_power;
156
157 /* .data alignment from optional header. */
158 int data_align_power;
159
160 /* modtype from optional header. */
161 short modtype;
162
163 /* cputype from optional header. */
164 short cputype;
165
166 /* maxdata from optional header. */
167 bfd_vma maxdata;
168
169 /* maxstack from optional header. */
170 bfd_vma maxstack;
171
172 /* Used by the XCOFF backend linker. */
173 asection **csects;
174 unsigned long *debug_indices;
175 unsigned int import_file_id;
176 };
177
178 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
179
180 /* We take the address of the first element of an asymbol to ensure that the
181 * macro is only ever applied to an asymbol. */
182 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
183
184 /* The used_by_bfd field of a section may be set to a pointer to this
185 structure. */
186
187 struct coff_section_tdata
188 {
189 /* The relocs, swapped into COFF internal form. This may be NULL. */
190 struct internal_reloc *relocs;
191 /* If this is true, the relocs entry may not be freed. */
192 boolean keep_relocs;
193 /* The section contents. This may be NULL. */
194 bfd_byte *contents;
195 /* If this is true, the contents entry may not be freed. */
196 boolean keep_contents;
197 /* Information cached by coff_find_nearest_line. */
198 bfd_vma offset;
199 unsigned int i;
200 const char *function;
201 int line_base;
202 /* A pointer used for .stab linking optimizations. */
203 PTR stab_info;
204 /* Available for individual backends. */
205 PTR tdata;
206 };
207
208 /* An accessor macro for the coff_section_tdata structure. */
209 #define coff_section_data(abfd, sec) \
210 ((struct coff_section_tdata *) (sec)->used_by_bfd)
211
212 /* Tdata for sections in XCOFF files. This is used by the linker. */
213
214 struct xcoff_section_tdata
215 {
216 /* Used for XCOFF csects created by the linker; points to the real
217 XCOFF section which contains this csect. */
218 asection *enclosing;
219 /* The lineno_count field for the enclosing section, because we are
220 going to clobber it there. */
221 unsigned int lineno_count;
222 /* The first and one past the last symbol indices for symbols used
223 by this csect. */
224 unsigned long first_symndx;
225 unsigned long last_symndx;
226 };
227
228 /* An accessor macro the xcoff_section_tdata structure. */
229 #define xcoff_section_data(abfd, sec) \
230 ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
231
232 /* Tdata for sections in PE files. */
233
234 struct pei_section_tdata
235 {
236 /* The virtual size of the section. */
237 bfd_size_type virt_size;
238 /* The PE section flags. */
239 long pe_flags;
240 };
241
242 /* An accessor macro for the pei_section_tdata structure. */
243 #define pei_section_data(abfd, sec) \
244 ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
245
246 /* COFF linker hash table entries. */
247
248 struct coff_link_hash_entry
249 {
250 struct bfd_link_hash_entry root;
251
252 /* Symbol index in output file. Set to -1 initially. Set to -2 if
253 there is a reloc against this symbol. */
254 long indx;
255
256 /* Symbol type. */
257 unsigned short type;
258
259 /* Symbol class. */
260 unsigned char class;
261
262 /* Number of auxiliary entries. */
263 char numaux;
264
265 /* BFD to take auxiliary entries from. */
266 bfd *auxbfd;
267
268 /* Pointer to array of auxiliary entries, if any. */
269 union internal_auxent *aux;
270
271 /* Flag word; legal values follow. */
272 unsigned short coff_link_hash_flags;
273 /* Symbol is a PE section symbol. */
274 #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01)
275 };
276
277 /* COFF linker hash table. */
278
279 struct coff_link_hash_table
280 {
281 struct bfd_link_hash_table root;
282 /* A pointer to information used to link stabs in sections. */
283 PTR stab_info;
284 };
285
286 /* Look up an entry in a COFF linker hash table. */
287
288 #define coff_link_hash_lookup(table, string, create, copy, follow) \
289 ((struct coff_link_hash_entry *) \
290 bfd_link_hash_lookup (&(table)->root, (string), (create), \
291 (copy), (follow)))
292
293 /* Traverse a COFF linker hash table. */
294
295 #define coff_link_hash_traverse(table, func, info) \
296 (bfd_link_hash_traverse \
297 (&(table)->root, \
298 (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
299 (info)))
300
301 /* Get the COFF linker hash table from a link_info structure. */
302
303 #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
304
305 /* Functions in coffgen.c. */
306 extern const bfd_target *coff_object_p
307 PARAMS ((bfd *));
308 extern struct sec *coff_section_from_bfd_index
309 PARAMS ((bfd *, int));
310 extern long coff_get_symtab_upper_bound
311 PARAMS ((bfd *));
312 extern long coff_get_symtab
313 PARAMS ((bfd *, asymbol **));
314 extern int coff_count_linenumbers
315 PARAMS ((bfd *));
316 extern struct coff_symbol_struct *coff_symbol_from
317 PARAMS ((bfd *, asymbol *));
318 extern boolean coff_renumber_symbols
319 PARAMS ((bfd *, int *));
320 extern void coff_mangle_symbols
321 PARAMS ((bfd *));
322 extern boolean coff_write_symbols
323 PARAMS ((bfd *));
324 extern boolean coff_write_linenumbers
325 PARAMS ((bfd *));
326 extern alent *coff_get_lineno
327 PARAMS ((bfd *, asymbol *));
328 extern asymbol *coff_section_symbol
329 PARAMS ((bfd *, char *));
330 extern boolean _bfd_coff_get_external_symbols
331 PARAMS ((bfd *));
332 extern const char *_bfd_coff_read_string_table
333 PARAMS ((bfd *));
334 extern boolean _bfd_coff_free_symbols
335 PARAMS ((bfd *));
336 extern struct coff_ptr_struct *coff_get_normalized_symtab
337 PARAMS ((bfd *));
338 extern long coff_get_reloc_upper_bound
339 PARAMS ((bfd *, sec_ptr));
340 extern asymbol *coff_make_empty_symbol
341 PARAMS ((bfd *));
342 extern void coff_print_symbol
343 PARAMS ((bfd *, PTR filep, asymbol *, bfd_print_symbol_type));
344 extern void coff_get_symbol_info
345 PARAMS ((bfd *, asymbol *, symbol_info *ret));
346 extern boolean _bfd_coff_is_local_label_name
347 PARAMS ((bfd *, const char *));
348 extern asymbol *coff_bfd_make_debug_symbol
349 PARAMS ((bfd *, PTR, unsigned long));
350 extern boolean coff_find_nearest_line
351 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
352 const char **, unsigned int *));
353 extern int coff_sizeof_headers
354 PARAMS ((bfd *, boolean));
355 extern boolean bfd_coff_reloc16_relax_section
356 PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
357 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
358 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
359 bfd_byte *, boolean, asymbol **));
360 extern bfd_vma bfd_coff_reloc16_get_value
361 PARAMS ((arelent *, struct bfd_link_info *, asection *));
362 extern void bfd_perform_slip
363 PARAMS ((bfd *, unsigned int, asection *, bfd_vma));
364
365 /* Functions and types in cofflink.c. */
366
367 #define STRING_SIZE_SIZE (4)
368
369 /* We use a hash table to merge identical enum, struct, and union
370 definitions in the linker. */
371
372 /* Information we keep for a single element (an enum value, a
373 structure or union field) in the debug merge hash table. */
374
375 struct coff_debug_merge_element
376 {
377 /* Next element. */
378 struct coff_debug_merge_element *next;
379
380 /* Name. */
381 const char *name;
382
383 /* Type. */
384 unsigned int type;
385
386 /* Symbol index for complex type. */
387 long tagndx;
388 };
389
390 /* A linked list of debug merge entries for a given name. */
391
392 struct coff_debug_merge_type
393 {
394 /* Next type with the same name. */
395 struct coff_debug_merge_type *next;
396
397 /* Class of type. */
398 int class;
399
400 /* Symbol index where this type is defined. */
401 long indx;
402
403 /* List of elements. */
404 struct coff_debug_merge_element *elements;
405 };
406
407 /* Information we store in the debug merge hash table. */
408
409 struct coff_debug_merge_hash_entry
410 {
411 struct bfd_hash_entry root;
412
413 /* A list of types with this name. */
414 struct coff_debug_merge_type *types;
415 };
416
417 /* The debug merge hash table. */
418
419 struct coff_debug_merge_hash_table
420 {
421 struct bfd_hash_table root;
422 };
423
424 /* Initialize a COFF debug merge hash table. */
425
426 #define coff_debug_merge_hash_table_init(table) \
427 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc))
428
429 /* Free a COFF debug merge hash table. */
430
431 #define coff_debug_merge_hash_table_free(table) \
432 (bfd_hash_table_free (&(table)->root))
433
434 /* Look up an entry in a COFF debug merge hash table. */
435
436 #define coff_debug_merge_hash_lookup(table, string, create, copy) \
437 ((struct coff_debug_merge_hash_entry *) \
438 bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
439
440 /* Information we keep for each section in the output file when doing
441 a relocateable link. */
442
443 struct coff_link_section_info
444 {
445 /* The relocs to be output. */
446 struct internal_reloc *relocs;
447 /* For each reloc against a global symbol whose index was not known
448 when the reloc was handled, the global hash table entry. */
449 struct coff_link_hash_entry **rel_hashes;
450 };
451
452 /* Information that we pass around while doing the final link step. */
453
454 struct coff_final_link_info
455 {
456 /* General link information. */
457 struct bfd_link_info *info;
458 /* Output BFD. */
459 bfd *output_bfd;
460 /* Used to indicate failure in traversal routine. */
461 boolean failed;
462 /* If doing "task linking" set only during the time when we want the
463 global symbol writer to convert the storage class of defined global
464 symbols from global to static. */
465 boolean global_to_static;
466 /* Hash table for long symbol names. */
467 struct bfd_strtab_hash *strtab;
468 /* When doing a relocateable link, an array of information kept for
469 each output section, indexed by the target_index field. */
470 struct coff_link_section_info *section_info;
471 /* Symbol index of last C_FILE symbol (-1 if none). */
472 long last_file_index;
473 /* Contents of last C_FILE symbol. */
474 struct internal_syment last_file;
475 /* Symbol index of first aux entry of last .bf symbol with an empty
476 endndx field (-1 if none). */
477 long last_bf_index;
478 /* Contents of last_bf_index aux entry. */
479 union internal_auxent last_bf;
480 /* Hash table used to merge debug information. */
481 struct coff_debug_merge_hash_table debug_merge;
482 /* Buffer large enough to hold swapped symbols of any input file. */
483 struct internal_syment *internal_syms;
484 /* Buffer large enough to hold sections of symbols of any input file. */
485 asection **sec_ptrs;
486 /* Buffer large enough to hold output indices of symbols of any
487 input file. */
488 long *sym_indices;
489 /* Buffer large enough to hold output symbols for any input file. */
490 bfd_byte *outsyms;
491 /* Buffer large enough to hold external line numbers for any input
492 section. */
493 bfd_byte *linenos;
494 /* Buffer large enough to hold any input section. */
495 bfd_byte *contents;
496 /* Buffer large enough to hold external relocs of any input section. */
497 bfd_byte *external_relocs;
498 /* Buffer large enough to hold swapped relocs of any input section. */
499 struct internal_reloc *internal_relocs;
500 };
501
502 /* Most COFF variants have no way to record the alignment of a
503 section. This struct is used to set a specific alignment based on
504 the name of the section. */
505
506 struct coff_section_alignment_entry
507 {
508 /* The section name. */
509 const char *name;
510
511 /* This is either (unsigned int) -1, indicating that the section
512 name must match exactly, or it is the number of letters which
513 must match at the start of the name. */
514 unsigned int comparison_length;
515
516 /* These macros may be used to fill in the first two fields in a
517 structure initialization. */
518 #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1)
519 #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1)
520
521 /* Only use this entry if the default section alignment for this
522 target is at least that much (as a power of two). If this field
523 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */
524 unsigned int default_alignment_min;
525
526 /* Only use this entry if the default section alignment for this
527 target is no greater than this (as a power of two). If this
528 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */
529 unsigned int default_alignment_max;
530
531 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1)
532
533 /* The desired alignment for this section (as a power of two). */
534 unsigned int alignment_power;
535 };
536
537 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
538 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
539 extern boolean _bfd_coff_link_hash_table_init
540 PARAMS ((struct coff_link_hash_table *, bfd *,
541 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
542 struct bfd_hash_table *,
543 const char *)));
544 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
545 PARAMS ((bfd *));
546 extern const char *_bfd_coff_internal_syment_name
547 PARAMS ((bfd *, const struct internal_syment *, char *));
548 extern boolean _bfd_coff_link_add_symbols
549 PARAMS ((bfd *, struct bfd_link_info *));
550 extern boolean _bfd_coff_final_link
551 PARAMS ((bfd *, struct bfd_link_info *));
552 extern struct internal_reloc *_bfd_coff_read_internal_relocs
553 PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean,
554 struct internal_reloc *));
555 extern boolean _bfd_coff_generic_relocate_section
556 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
557 struct internal_reloc *, struct internal_syment *, asection **));
558
559 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc
560 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
561 extern boolean _bfd_coff_write_global_sym
562 PARAMS ((struct coff_link_hash_entry *, PTR));
563 extern boolean _bfd_coff_write_task_globals
564 PARAMS ((struct coff_link_hash_entry *, PTR));
565 extern boolean _bfd_coff_link_input_bfd
566 PARAMS ((struct coff_final_link_info *, bfd *));
567 extern boolean _bfd_coff_reloc_link_order
568 PARAMS ((bfd *, struct coff_final_link_info *, asection *,
569 struct bfd_link_order *));
570
571
572 #define coff_get_section_contents_in_window \
573 _bfd_generic_get_section_contents_in_window
574
575 /* Functions in xcofflink.c. */
576
577 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound
578 PARAMS ((bfd *));
579 extern long _bfd_xcoff_canonicalize_dynamic_symtab
580 PARAMS ((bfd *, asymbol **));
581 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound
582 PARAMS ((bfd *));
583 extern long _bfd_xcoff_canonicalize_dynamic_reloc
584 PARAMS ((bfd *, arelent **, asymbol **));
585 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
586 PARAMS ((bfd *));
587 extern boolean _bfd_xcoff_bfd_link_add_symbols
588 PARAMS ((bfd *, struct bfd_link_info *));
589 extern boolean _bfd_xcoff_bfd_final_link
590 PARAMS ((bfd *, struct bfd_link_info *));
591 extern boolean _bfd_ppc_xcoff_relocate_section
592 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
593 struct internal_reloc *, struct internal_syment *, asection **));
594
595 /* Functions in coff-ppc.c. FIXME: These are called be pe.em in the
596 linker, and so should start with bfd and be declared in bfd.h. */
597
598 extern boolean ppc_allocate_toc_section
599 PARAMS ((struct bfd_link_info *));
600 extern boolean ppc_process_before_allocation
601 PARAMS ((bfd *, struct bfd_link_info *));
602
603 /* And more taken from the source .. */
604
605 typedef struct coff_ptr_struct
606 {
607 /* Remembers the offset from the first symbol in the file for
608 this symbol. Generated by coff_renumber_symbols. */
609 unsigned int offset;
610
611 /* Should the value of this symbol be renumbered. Used for
612 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */
613 unsigned int fix_value : 1;
614
615 /* Should the tag field of this symbol be renumbered.
616 Created by coff_pointerize_aux. */
617 unsigned int fix_tag : 1;
618
619 /* Should the endidx field of this symbol be renumbered.
620 Created by coff_pointerize_aux. */
621 unsigned int fix_end : 1;
622
623 /* Should the x_csect.x_scnlen field be renumbered.
624 Created by coff_pointerize_aux. */
625 unsigned int fix_scnlen : 1;
626
627 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the
628 index into the line number entries. Set by coff_slurp_symbol_table. */
629 unsigned int fix_line : 1;
630
631 /* The container for the symbol structure as read and translated
632 from the file. */
633 union
634 {
635 union internal_auxent auxent;
636 struct internal_syment syment;
637 } u;
638 } combined_entry_type;
639
640
641 /* Each canonical asymbol really looks like this: */
642
643 typedef struct coff_symbol_struct
644 {
645 /* The actual symbol which the rest of BFD works with */
646 asymbol symbol;
647
648 /* A pointer to the hidden information for this symbol */
649 combined_entry_type *native;
650
651 /* A pointer to the linenumber information for this symbol */
652 struct lineno_cache_entry *lineno;
653
654 /* Have the line numbers been relocated yet ? */
655 boolean done_lineno;
656 } coff_symbol_type;
657 /* COFF symbol classifications. */
658
659 enum coff_symbol_classification
660 {
661 /* Global symbol. */
662 COFF_SYMBOL_GLOBAL,
663 /* Common symbol. */
664 COFF_SYMBOL_COMMON,
665 /* Undefined symbol. */
666 COFF_SYMBOL_UNDEFINED,
667 /* Local symbol. */
668 COFF_SYMBOL_LOCAL,
669 /* PE section symbol. */
670 COFF_SYMBOL_PE_SECTION
671 };
672
673 typedef struct
674 {
675 void (*_bfd_coff_swap_aux_in)
676 PARAMS ((bfd *, PTR, int, int, int, int, PTR));
677
678 void (*_bfd_coff_swap_sym_in)
679 PARAMS ((bfd *, PTR, PTR));
680
681 void (*_bfd_coff_swap_lineno_in)
682 PARAMS ((bfd *, PTR, PTR));
683
684 unsigned int (*_bfd_coff_swap_aux_out)
685 PARAMS ((bfd *, PTR, int, int, int, int, PTR));
686
687 unsigned int (*_bfd_coff_swap_sym_out)
688 PARAMS ((bfd *, PTR, PTR));
689
690 unsigned int (*_bfd_coff_swap_lineno_out)
691 PARAMS ((bfd *, PTR, PTR));
692
693 unsigned int (*_bfd_coff_swap_reloc_out)
694 PARAMS ((bfd *, PTR, PTR));
695
696 unsigned int (*_bfd_coff_swap_filehdr_out)
697 PARAMS ((bfd *, PTR, PTR));
698
699 unsigned int (*_bfd_coff_swap_aouthdr_out)
700 PARAMS ((bfd *, PTR, PTR));
701
702 unsigned int (*_bfd_coff_swap_scnhdr_out)
703 PARAMS ((bfd *, PTR, PTR));
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;
712 unsigned int _bfd_filnmlen;
713 boolean _bfd_coff_long_filenames;
714 boolean _bfd_coff_long_section_names;
715 unsigned int _bfd_coff_default_section_alignment_power;
716 boolean _bfd_coff_force_symnames_in_strings;
717 unsigned int _bfd_coff_debug_string_prefix_length;
718
719 void (*_bfd_coff_swap_filehdr_in)
720 PARAMS ((bfd *, PTR, PTR));
721
722 void (*_bfd_coff_swap_aouthdr_in)
723 PARAMS ((bfd *, PTR, PTR));
724
725 void (*_bfd_coff_swap_scnhdr_in)
726 PARAMS ((bfd *, PTR, PTR));
727
728 void (*_bfd_coff_swap_reloc_in)
729 PARAMS ((bfd *abfd, PTR, PTR));
730
731 boolean (*_bfd_coff_bad_format_hook)
732 PARAMS ((bfd *, PTR));
733
734 boolean (*_bfd_coff_set_arch_mach_hook)
735 PARAMS ((bfd *, PTR));
736
737 PTR (*_bfd_coff_mkobject_hook)
738 PARAMS ((bfd *, PTR, PTR));
739
740 boolean (*_bfd_styp_to_sec_flags_hook)
741 PARAMS ((bfd *, PTR, const char *, asection *, flagword *));
742
743 void (*_bfd_set_alignment_hook)
744 PARAMS ((bfd *, asection *, PTR));
745
746 boolean (*_bfd_coff_slurp_symbol_table)
747 PARAMS ((bfd *));
748
749 boolean (*_bfd_coff_symname_in_debug)
750 PARAMS ((bfd *, struct internal_syment *));
751
752 boolean (*_bfd_coff_pointerize_aux_hook)
753 PARAMS ((bfd *, combined_entry_type *, combined_entry_type *,
754 unsigned int, combined_entry_type *));
755
756 boolean (*_bfd_coff_print_aux)
757 PARAMS ((bfd *, FILE *, combined_entry_type *, combined_entry_type *,
758 combined_entry_type *, unsigned int));
759
760 void (*_bfd_coff_reloc16_extra_cases)
761 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *,
762 bfd_byte *, unsigned int *, unsigned int *));
763
764 int (*_bfd_coff_reloc16_estimate)
765 PARAMS ((bfd *, asection *, arelent *, unsigned int,
766 struct bfd_link_info *));
767
768 enum coff_symbol_classification (*_bfd_coff_classify_symbol)
769 PARAMS ((bfd *, struct internal_syment *));
770
771 boolean (*_bfd_coff_compute_section_file_positions)
772 PARAMS ((bfd *));
773
774 boolean (*_bfd_coff_start_final_link)
775 PARAMS ((bfd *, struct bfd_link_info *));
776
777 boolean (*_bfd_coff_relocate_section)
778 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
779 struct internal_reloc *, struct internal_syment *, asection **));
780
781 reloc_howto_type *(*_bfd_coff_rtype_to_howto)
782 PARAMS ((bfd *, asection *, struct internal_reloc *,
783 struct coff_link_hash_entry *, struct internal_syment *,
784 bfd_vma *));
785
786 boolean (*_bfd_coff_adjust_symndx)\
787 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *,
788 struct internal_reloc *, boolean *));
789
790 boolean (*_bfd_coff_link_add_one_symbol)
791 PARAMS ((struct bfd_link_info *, bfd *, const char *, flagword,
792 asection *, bfd_vma, const char *, boolean, boolean,
793 struct bfd_link_hash_entry **));
794
795 boolean (*_bfd_coff_link_output_has_begun)
796 PARAMS ((bfd *, struct coff_final_link_info *));
797
798 boolean (*_bfd_coff_final_link_postscript)
799 PARAMS ((bfd *, struct coff_final_link_info *));
800
801 } bfd_coff_backend_data;
802
803 #define coff_backend_info(abfd) \
804 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
805
806 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
807 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
808
809 #define bfd_coff_swap_sym_in(a,e,i) \
810 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
811
812 #define bfd_coff_swap_lineno_in(a,e,i) \
813 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
814
815 #define bfd_coff_swap_reloc_out(abfd, i, o) \
816 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
817
818 #define bfd_coff_swap_lineno_out(abfd, i, o) \
819 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
820
821 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
822 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
823
824 #define bfd_coff_swap_sym_out(abfd, i,o) \
825 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
826
827 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \
828 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
829
830 #define bfd_coff_swap_filehdr_out(abfd, i,o) \
831 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
832
833 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \
834 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
835
836 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
837 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
838 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
839 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
840 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
841 #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz)
842 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
843 #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen)
844 #define bfd_coff_long_filenames(abfd) \
845 (coff_backend_info (abfd)->_bfd_coff_long_filenames)
846 #define bfd_coff_long_section_names(abfd) \
847 (coff_backend_info (abfd)->_bfd_coff_long_section_names)
848 #define bfd_coff_default_section_alignment_power(abfd) \
849 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power)
850 #define bfd_coff_swap_filehdr_in(abfd, i,o) \
851 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
852
853 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \
854 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
855
856 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \
857 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
858
859 #define bfd_coff_swap_reloc_in(abfd, i, o) \
860 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
861
862 #define bfd_coff_bad_format_hook(abfd, filehdr) \
863 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
864
865 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
866 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
867 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
868 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr))
869
870 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\
871 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\
872 (abfd, scnhdr, name, section, flags_ptr))
873
874 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
875 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
876
877 #define bfd_coff_slurp_symbol_table(abfd)\
878 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
879
880 #define bfd_coff_symname_in_debug(abfd, sym)\
881 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
882
883 #define bfd_coff_force_symnames_in_strings(abfd)\
884 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings)
885
886 #define bfd_coff_debug_string_prefix_length(abfd)\
887 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length)
888
889 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
890 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
891 (abfd, file, base, symbol, aux, indaux))
892
893 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\
894 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
895 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
896
897 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
898 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
899 (abfd, section, reloc, shrink, link_info))
900
901 #define bfd_coff_classify_symbol(abfd, sym)\
902 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\
903 (abfd, sym))
904
905 #define bfd_coff_compute_section_file_positions(abfd)\
906 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
907 (abfd))
908
909 #define bfd_coff_start_final_link(obfd, info)\
910 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
911 (obfd, info))
912 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
913 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
914 (obfd, info, ibfd, o, con, rel, isyms, secs))
915 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
916 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
917 (abfd, sec, rel, h, sym, addendp))
918 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
919 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
920 (obfd, info, ibfd, sec, rel, adjustedp))
921 #define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\
922 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
923 (info, abfd, name, flags, section, value, string, cp, coll, hashp))
924
925 #define bfd_coff_link_output_has_begun(a,p) \
926 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a,p))
927 #define bfd_coff_final_link_postscript(a,p) \
928 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p))
929
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