Upgrade GDB from 7.4.1 to 7.6.1 on the vendor branch
[dragonfly.git] / contrib / gdb-7 / bfd / libcoff.h
CommitLineData
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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,
a45ae5f8 7 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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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 3 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., 51 Franklin Street - Fifth Floor, Boston,
26 MA 02110-1301, USA. */
27
28#include "bfdlink.h"
29
30/* Object file tdata; access macros. */
31
32#define coff_data(bfd) ((bfd)->tdata.coff_obj_data)
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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#define obj_relocbase(bfd) (coff_data (bfd)->relocbase)
37#define obj_raw_syments(bfd) (coff_data (bfd)->raw_syments)
38#define obj_raw_syment_count(bfd) (coff_data (bfd)->raw_syment_count)
39#define obj_convert(bfd) (coff_data (bfd)->conversion_table)
40#define obj_conv_table_size(bfd) (coff_data (bfd)->conv_table_size)
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#define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written)
47#define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map)
48
49/* `Tdata' information kept for COFF files. */
50
51typedef 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;
59 unsigned long raw_syment_count;
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 void * external_syms;
78 /* If this is TRUE, the external_syms may not be freed. */
79 bfd_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 bfd_boolean keep_strings;
86 /* If this is TRUE, the strings have been written out already. */
87 bfd_boolean strings_written;
88
89 /* Is this a PE format coff file? */
90 int pe;
91 /* Used by the COFF backend linker. */
92 struct coff_link_hash_entry **sym_hashes;
93
94 /* Used by the pe linker for PowerPC. */
95 int *local_toc_sym_map;
96
97 struct bfd_link_info *link_info;
98
99 /* Used by coff_find_nearest_line. */
100 void * line_info;
101
102 /* A place to stash dwarf2 info for this bfd. */
103 void * dwarf2_find_line_info;
104
105 /* The timestamp from the COFF file header. */
106 long timestamp;
107
108 /* Copy of some of the f_flags bits in the COFF filehdr structure,
109 used by ARM code. */
110 flagword flags;
111
112 /* coff-stgo32 EXE stub header after BFD tdata has been allocated. Its data
113 is kept in internal_filehdr.go32stub beforehand. */
114 char *go32stub;
115} coff_data_type;
116
117/* Tdata for pe image files. */
118typedef 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;
cf7f2e2d 124 int dont_strip_reloc;
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125 bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *);
126 flagword real_flags;
127} pe_data_type;
128
129#define pe_data(bfd) ((bfd)->tdata.pe_obj_data)
130
131/* Tdata for XCOFF files. */
132
133struct xcoff_tdata
134{
135 /* Basic COFF information. */
136 coff_data_type coff;
137
138 /* TRUE if this is an XCOFF64 file. */
139 bfd_boolean xcoff64;
140
141 /* TRUE if a large a.out header should be generated. */
142 bfd_boolean full_aouthdr;
143
144 /* TOC value. */
145 bfd_vma toc;
146
147 /* Index of section holding TOC. */
148 int sntoc;
149
150 /* Index of section holding entry point. */
151 int snentry;
152
153 /* .text alignment from optional header. */
154 int text_align_power;
155
156 /* .data alignment from optional header. */
157 int data_align_power;
158
159 /* modtype from optional header. */
160 short modtype;
161
162 /* cputype from optional header. */
163 short cputype;
164
165 /* maxdata from optional header. */
166 bfd_vma maxdata;
167
168 /* maxstack from optional header. */
169 bfd_vma maxstack;
170
171 /* Used by the XCOFF backend linker. */
172 asection **csects;
173 long *debug_indices;
174 unsigned int *lineno_counts;
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
187struct 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 bfd_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 bfd_boolean keep_contents;
197 /* Information cached by coff_find_nearest_line. */
198 bfd_vma offset;
199 unsigned int i;
200 const char *function;
201 /* Optional information about a COMDAT entry; NULL if not COMDAT. */
202 struct coff_comdat_info *comdat;
203 int line_base;
204 /* A pointer used for .stab linking optimizations. */
205 void * stab_info;
206 /* Available for individual backends. */
207 void * tdata;
208};
209
210/* An accessor macro for the coff_section_tdata structure. */
211#define coff_section_data(abfd, sec) \
212 ((struct coff_section_tdata *) (sec)->used_by_bfd)
213
214/* Tdata for sections in XCOFF files. This is used by the linker. */
215
216struct xcoff_section_tdata
217{
218 /* Used for XCOFF csects created by the linker; points to the real
219 XCOFF section which contains this csect. */
220 asection *enclosing;
221 /* The lineno_count field for the enclosing section, because we are
222 going to clobber it there. */
223 unsigned int lineno_count;
224 /* The first and last symbol indices for symbols used by this csect. */
225 unsigned long first_symndx;
226 unsigned long last_symndx;
227};
228
229/* An accessor macro the xcoff_section_tdata structure. */
230#define xcoff_section_data(abfd, sec) \
231 ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
232
233/* Tdata for sections in PE files. */
234
235struct pei_section_tdata
236{
237 /* The virtual size of the section. */
238 bfd_size_type virt_size;
239 /* The PE section flags. */
240 long pe_flags;
241};
242
243/* An accessor macro for the pei_section_tdata structure. */
244#define pei_section_data(abfd, sec) \
245 ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
246
247/* COFF linker hash table entries. */
248
249struct coff_link_hash_entry
250{
251 struct bfd_link_hash_entry root;
252
253 /* Symbol index in output file. Set to -1 initially. Set to -2 if
254 there is a reloc against this symbol. */
255 long indx;
256
257 /* Symbol type. */
258 unsigned short type;
259
260 /* Symbol class. */
261 unsigned char symbol_class;
262
263 /* Number of auxiliary entries. */
264 char numaux;
265
266 /* BFD to take auxiliary entries from. */
267 bfd *auxbfd;
268
269 /* Pointer to array of auxiliary entries, if any. */
270 union internal_auxent *aux;
271
272 /* Flag word; legal values follow. */
273 unsigned short coff_link_hash_flags;
274 /* Symbol is a PE section symbol. */
275#define COFF_LINK_HASH_PE_SECTION_SYMBOL (01)
276};
277
278/* COFF linker hash table. */
279
280struct coff_link_hash_table
281{
282 struct bfd_link_hash_table root;
283 /* A pointer to information used to link stabs in sections. */
284 struct stab_info stab_info;
285};
286
287/* Look up an entry in a COFF linker hash table. */
288
289#define coff_link_hash_lookup(table, string, create, copy, follow) \
290 ((struct coff_link_hash_entry *) \
291 bfd_link_hash_lookup (&(table)->root, (string), (create), \
292 (copy), (follow)))
293
294/* Traverse a COFF linker hash table. */
295
296#define coff_link_hash_traverse(table, func, info) \
297 (bfd_link_hash_traverse \
298 (&(table)->root, \
299 (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \
300 (info)))
301
302/* Get the COFF linker hash table from a link_info structure. */
303
304#define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
305
306/* Functions in coffgen.c. */
307extern const bfd_target *coff_object_p
308 (bfd *);
309extern struct bfd_section *coff_section_from_bfd_index
310 (bfd *, int);
311extern long coff_get_symtab_upper_bound
312 (bfd *);
313extern long coff_canonicalize_symtab
314 (bfd *, asymbol **);
315extern int coff_count_linenumbers
316 (bfd *);
317extern struct coff_symbol_struct *coff_symbol_from
318 (bfd *, asymbol *);
319extern bfd_boolean coff_renumber_symbols
320 (bfd *, int *);
321extern void coff_mangle_symbols
322 (bfd *);
323extern bfd_boolean coff_write_symbols
324 (bfd *);
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325extern bfd_boolean coff_write_alien_symbol
326 (bfd *, asymbol *, struct internal_syment *, bfd_vma *,
327 bfd_size_type *, asection **, bfd_size_type *);
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328extern bfd_boolean coff_write_linenumbers
329 (bfd *);
330extern alent *coff_get_lineno
331 (bfd *, asymbol *);
332extern asymbol *coff_section_symbol
333 (bfd *, char *);
334extern bfd_boolean _bfd_coff_get_external_symbols
335 (bfd *);
336extern const char *_bfd_coff_read_string_table
337 (bfd *);
338extern bfd_boolean _bfd_coff_free_symbols
339 (bfd *);
340extern struct coff_ptr_struct *coff_get_normalized_symtab
341 (bfd *);
342extern long coff_get_reloc_upper_bound
343 (bfd *, sec_ptr);
344extern asymbol *coff_make_empty_symbol
345 (bfd *);
346extern void coff_print_symbol
347 (bfd *, void * filep, asymbol *, bfd_print_symbol_type);
348extern void coff_get_symbol_info
349 (bfd *, asymbol *, symbol_info *ret);
350extern bfd_boolean _bfd_coff_is_local_label_name
351 (bfd *, const char *);
352extern asymbol *coff_bfd_make_debug_symbol
353 (bfd *, void *, unsigned long);
354extern bfd_boolean coff_find_nearest_line
355 (bfd *, asection *, asymbol **, bfd_vma, const char **,
356 const char **, unsigned int *);
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357extern bfd_boolean coff_find_nearest_line_discriminator
358 (bfd *, asection *, asymbol **, bfd_vma, const char **,
359 const char **, unsigned int *, unsigned int *);
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360struct dwarf_debug_section;
361extern bfd_boolean coff_find_nearest_line_with_names
362 (bfd *, const struct dwarf_debug_section *, asection *, asymbol **,
363 bfd_vma, const char **, const char **, unsigned int *);
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364extern bfd_boolean coff_find_inliner_info
365 (bfd *, const char **, const char **, unsigned int *);
366extern int coff_sizeof_headers
367 (bfd *, struct bfd_link_info *);
368extern bfd_boolean bfd_coff_reloc16_relax_section
369 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
370extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
371 (bfd *, struct bfd_link_info *, struct bfd_link_order *,
372 bfd_byte *, bfd_boolean, asymbol **);
373extern bfd_vma bfd_coff_reloc16_get_value
374 (arelent *, struct bfd_link_info *, asection *);
375extern void bfd_perform_slip
376 (bfd *, unsigned int, asection *, bfd_vma);
377
378/* Functions and types in cofflink.c. */
379
380#define STRING_SIZE_SIZE 4
381
382/* We use a hash table to merge identical enum, struct, and union
383 definitions in the linker. */
384
385/* Information we keep for a single element (an enum value, a
386 structure or union field) in the debug merge hash table. */
387
388struct coff_debug_merge_element
389{
390 /* Next element. */
391 struct coff_debug_merge_element *next;
392
393 /* Name. */
394 const char *name;
395
396 /* Type. */
397 unsigned int type;
398
399 /* Symbol index for complex type. */
400 long tagndx;
401};
402
403/* A linked list of debug merge entries for a given name. */
404
405struct coff_debug_merge_type
406{
407 /* Next type with the same name. */
408 struct coff_debug_merge_type *next;
409
410 /* Class of type. */
411 int type_class;
412
413 /* Symbol index where this type is defined. */
414 long indx;
415
416 /* List of elements. */
417 struct coff_debug_merge_element *elements;
418};
419
420/* Information we store in the debug merge hash table. */
421
422struct coff_debug_merge_hash_entry
423{
424 struct bfd_hash_entry root;
425
426 /* A list of types with this name. */
427 struct coff_debug_merge_type *types;
428};
429
430/* The debug merge hash table. */
431
432struct coff_debug_merge_hash_table
433{
434 struct bfd_hash_table root;
435};
436
437/* Initialize a COFF debug merge hash table. */
438
439#define coff_debug_merge_hash_table_init(table) \
440 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \
441 sizeof (struct coff_debug_merge_hash_entry)))
442
443/* Free a COFF debug merge hash table. */
444
445#define coff_debug_merge_hash_table_free(table) \
446 (bfd_hash_table_free (&(table)->root))
447
448/* Look up an entry in a COFF debug merge hash table. */
449
450#define coff_debug_merge_hash_lookup(table, string, create, copy) \
451 ((struct coff_debug_merge_hash_entry *) \
452 bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
453
454/* Information we keep for each section in the output file when doing
455 a relocatable link. */
456
457struct coff_link_section_info
458{
459 /* The relocs to be output. */
460 struct internal_reloc *relocs;
461 /* For each reloc against a global symbol whose index was not known
462 when the reloc was handled, the global hash table entry. */
463 struct coff_link_hash_entry **rel_hashes;
464};
465
466/* Information that we pass around while doing the final link step. */
467
468struct coff_final_link_info
469{
470 /* General link information. */
471 struct bfd_link_info *info;
472 /* Output BFD. */
473 bfd *output_bfd;
474 /* Used to indicate failure in traversal routine. */
475 bfd_boolean failed;
476 /* If doing "task linking" set only during the time when we want the
477 global symbol writer to convert the storage class of defined global
478 symbols from global to static. */
479 bfd_boolean global_to_static;
480 /* Hash table for long symbol names. */
481 struct bfd_strtab_hash *strtab;
482 /* When doing a relocatable link, an array of information kept for
483 each output section, indexed by the target_index field. */
484 struct coff_link_section_info *section_info;
485 /* Symbol index of last C_FILE symbol (-1 if none). */
486 long last_file_index;
487 /* Contents of last C_FILE symbol. */
488 struct internal_syment last_file;
489 /* Symbol index of first aux entry of last .bf symbol with an empty
490 endndx field (-1 if none). */
491 long last_bf_index;
492 /* Contents of last_bf_index aux entry. */
493 union internal_auxent last_bf;
494 /* Hash table used to merge debug information. */
495 struct coff_debug_merge_hash_table debug_merge;
496 /* Buffer large enough to hold swapped symbols of any input file. */
497 struct internal_syment *internal_syms;
498 /* Buffer large enough to hold sections of symbols of any input file. */
499 asection **sec_ptrs;
500 /* Buffer large enough to hold output indices of symbols of any
501 input file. */
502 long *sym_indices;
503 /* Buffer large enough to hold output symbols for any input file. */
504 bfd_byte *outsyms;
505 /* Buffer large enough to hold external line numbers for any input
506 section. */
507 bfd_byte *linenos;
508 /* Buffer large enough to hold any input section. */
509 bfd_byte *contents;
510 /* Buffer large enough to hold external relocs of any input section. */
511 bfd_byte *external_relocs;
512 /* Buffer large enough to hold swapped relocs of any input section. */
513 struct internal_reloc *internal_relocs;
514};
515
516/* Most COFF variants have no way to record the alignment of a
517 section. This struct is used to set a specific alignment based on
518 the name of the section. */
519
520struct coff_section_alignment_entry
521{
522 /* The section name. */
523 const char *name;
524
525 /* This is either (unsigned int) -1, indicating that the section
526 name must match exactly, or it is the number of letters which
527 must match at the start of the name. */
528 unsigned int comparison_length;
529
530 /* These macros may be used to fill in the first two fields in a
531 structure initialization. */
532#define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1)
533#define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1)
534
535 /* Only use this entry if the default section alignment for this
536 target is at least that much (as a power of two). If this field
537 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */
538 unsigned int default_alignment_min;
539
540 /* Only use this entry if the default section alignment for this
541 target is no greater than this (as a power of two). If this
542 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */
543 unsigned int default_alignment_max;
544
545#define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1)
546
547 /* The desired alignment for this section (as a power of two). */
548 unsigned int alignment_power;
549};
550
551extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
552 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
553extern bfd_boolean _bfd_coff_link_hash_table_init
554 (struct coff_link_hash_table *, bfd *,
555 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
556 struct bfd_hash_table *,
557 const char *),
558 unsigned int);
559extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
560 (bfd *);
561extern const char *_bfd_coff_internal_syment_name
562 (bfd *, const struct internal_syment *, char *);
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563extern bfd_boolean _bfd_coff_section_already_linked
564 (bfd *, asection *, struct bfd_link_info *);
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565extern bfd_boolean _bfd_coff_link_add_symbols
566 (bfd *, struct bfd_link_info *);
567extern bfd_boolean _bfd_coff_final_link
568 (bfd *, struct bfd_link_info *);
569extern struct internal_reloc *_bfd_coff_read_internal_relocs
570 (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean,
571 struct internal_reloc *);
572extern bfd_boolean _bfd_coff_generic_relocate_section
573 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
574 struct internal_reloc *, struct internal_syment *, asection **);
575extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc
576 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
577extern bfd_boolean _bfd_coff_write_global_sym
a45ae5f8 578 (struct bfd_hash_entry *, void *);
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579extern bfd_boolean _bfd_coff_write_task_globals
580 (struct coff_link_hash_entry *, void *);
581extern bfd_boolean _bfd_coff_link_input_bfd
582 (struct coff_final_link_info *, bfd *);
583extern bfd_boolean _bfd_coff_reloc_link_order
584 (bfd *, struct coff_final_link_info *, asection *,
585 struct bfd_link_order *);
586
587
588#define coff_get_section_contents_in_window \
589 _bfd_generic_get_section_contents_in_window
590
591/* Functions in xcofflink.c. */
592
593extern long _bfd_xcoff_get_dynamic_symtab_upper_bound
594 (bfd *);
595extern long _bfd_xcoff_canonicalize_dynamic_symtab
596 (bfd *, asymbol **);
597extern long _bfd_xcoff_get_dynamic_reloc_upper_bound
598 (bfd *);
599extern long _bfd_xcoff_canonicalize_dynamic_reloc
600 (bfd *, arelent **, asymbol **);
601extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
602 (bfd *);
603extern void _bfd_xcoff_bfd_link_hash_table_free
604 (struct bfd_link_hash_table *);
605extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols
606 (bfd *, struct bfd_link_info *);
607extern bfd_boolean _bfd_xcoff_bfd_final_link
608 (bfd *, struct bfd_link_info *);
609extern bfd_boolean _bfd_xcoff_define_common_symbol
610 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
611extern bfd_boolean _bfd_ppc_xcoff_relocate_section
612 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
613 struct internal_reloc *, struct internal_syment *, asection **);
614
615/* Functions in coff-ppc.c. FIXME: These are called by pe.em in the
616 linker, and so should start with bfd and be declared in bfd.h. */
617
618extern bfd_boolean ppc_allocate_toc_section
619 (struct bfd_link_info *);
620extern bfd_boolean ppc_process_before_allocation
621 (bfd *, struct bfd_link_info *);
622/* Extracted from coffcode.h. */
623typedef struct coff_ptr_struct
624{
625 /* Remembers the offset from the first symbol in the file for
626 this symbol. Generated by coff_renumber_symbols. */
627 unsigned int offset;
628
629 /* Should the value of this symbol be renumbered. Used for
630 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */
631 unsigned int fix_value : 1;
632
633 /* Should the tag field of this symbol be renumbered.
634 Created by coff_pointerize_aux. */
635 unsigned int fix_tag : 1;
636
637 /* Should the endidx field of this symbol be renumbered.
638 Created by coff_pointerize_aux. */
639 unsigned int fix_end : 1;
640
641 /* Should the x_csect.x_scnlen field be renumbered.
642 Created by coff_pointerize_aux. */
643 unsigned int fix_scnlen : 1;
644
645 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the
646 index into the line number entries. Set by coff_slurp_symbol_table. */
647 unsigned int fix_line : 1;
648
649 /* The container for the symbol structure as read and translated
650 from the file. */
651 union
652 {
653 union internal_auxent auxent;
654 struct internal_syment syment;
655 } u;
656} combined_entry_type;
657
658
659/* Each canonical asymbol really looks like this: */
660
661typedef struct coff_symbol_struct
662{
663 /* The actual symbol which the rest of BFD works with */
664 asymbol symbol;
665
666 /* A pointer to the hidden information for this symbol */
667 combined_entry_type *native;
668
669 /* A pointer to the linenumber information for this symbol */
670 struct lineno_cache_entry *lineno;
671
672 /* Have the line numbers been relocated yet ? */
673 bfd_boolean done_lineno;
674} coff_symbol_type;
675/* COFF symbol classifications. */
676
677enum coff_symbol_classification
678{
679 /* Global symbol. */
680 COFF_SYMBOL_GLOBAL,
681 /* Common symbol. */
682 COFF_SYMBOL_COMMON,
683 /* Undefined symbol. */
684 COFF_SYMBOL_UNDEFINED,
685 /* Local symbol. */
686 COFF_SYMBOL_LOCAL,
687 /* PE section symbol. */
688 COFF_SYMBOL_PE_SECTION
689};
690
691typedef struct
692{
693 void (*_bfd_coff_swap_aux_in)
694 (bfd *, void *, int, int, int, int, void *);
695
696 void (*_bfd_coff_swap_sym_in)
697 (bfd *, void *, void *);
698
699 void (*_bfd_coff_swap_lineno_in)
700 (bfd *, void *, void *);
701
702 unsigned int (*_bfd_coff_swap_aux_out)
703 (bfd *, void *, int, int, int, int, void *);
704
705 unsigned int (*_bfd_coff_swap_sym_out)
706 (bfd *, void *, void *);
707
708 unsigned int (*_bfd_coff_swap_lineno_out)
709 (bfd *, void *, void *);
710
711 unsigned int (*_bfd_coff_swap_reloc_out)
712 (bfd *, void *, void *);
713
714 unsigned int (*_bfd_coff_swap_filehdr_out)
715 (bfd *, void *, void *);
716
717 unsigned int (*_bfd_coff_swap_aouthdr_out)
718 (bfd *, void *, void *);
719
720 unsigned int (*_bfd_coff_swap_scnhdr_out)
721 (bfd *, void *, void *);
722
723 unsigned int _bfd_filhsz;
724 unsigned int _bfd_aoutsz;
725 unsigned int _bfd_scnhsz;
726 unsigned int _bfd_symesz;
727 unsigned int _bfd_auxesz;
728 unsigned int _bfd_relsz;
729 unsigned int _bfd_linesz;
730 unsigned int _bfd_filnmlen;
731 bfd_boolean _bfd_coff_long_filenames;
732
733 bfd_boolean _bfd_coff_long_section_names;
734 bfd_boolean (*_bfd_coff_set_long_section_names)
735 (bfd *, int);
ef5ccd6c 736
5796c8dc
SS
737 unsigned int _bfd_coff_default_section_alignment_power;
738 bfd_boolean _bfd_coff_force_symnames_in_strings;
739 unsigned int _bfd_coff_debug_string_prefix_length;
740
741 void (*_bfd_coff_swap_filehdr_in)
742 (bfd *, void *, void *);
743
744 void (*_bfd_coff_swap_aouthdr_in)
745 (bfd *, void *, void *);
746
747 void (*_bfd_coff_swap_scnhdr_in)
748 (bfd *, void *, void *);
749
750 void (*_bfd_coff_swap_reloc_in)
751 (bfd *abfd, void *, void *);
752
753 bfd_boolean (*_bfd_coff_bad_format_hook)
754 (bfd *, void *);
755
756 bfd_boolean (*_bfd_coff_set_arch_mach_hook)
757 (bfd *, void *);
758
759 void * (*_bfd_coff_mkobject_hook)
760 (bfd *, void *, void *);
761
762 bfd_boolean (*_bfd_styp_to_sec_flags_hook)
763 (bfd *, void *, const char *, asection *, flagword *);
764
765 void (*_bfd_set_alignment_hook)
766 (bfd *, asection *, void *);
767
768 bfd_boolean (*_bfd_coff_slurp_symbol_table)
769 (bfd *);
770
771 bfd_boolean (*_bfd_coff_symname_in_debug)
772 (bfd *, struct internal_syment *);
773
774 bfd_boolean (*_bfd_coff_pointerize_aux_hook)
775 (bfd *, combined_entry_type *, combined_entry_type *,
776 unsigned int, combined_entry_type *);
777
778 bfd_boolean (*_bfd_coff_print_aux)
779 (bfd *, FILE *, combined_entry_type *, combined_entry_type *,
780 combined_entry_type *, unsigned int);
781
782 void (*_bfd_coff_reloc16_extra_cases)
783 (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *,
784 bfd_byte *, unsigned int *, unsigned int *);
785
786 int (*_bfd_coff_reloc16_estimate)
787 (bfd *, asection *, arelent *, unsigned int,
788 struct bfd_link_info *);
789
790 enum coff_symbol_classification (*_bfd_coff_classify_symbol)
791 (bfd *, struct internal_syment *);
792
793 bfd_boolean (*_bfd_coff_compute_section_file_positions)
794 (bfd *);
795
796 bfd_boolean (*_bfd_coff_start_final_link)
797 (bfd *, struct bfd_link_info *);
798
799 bfd_boolean (*_bfd_coff_relocate_section)
800 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
801 struct internal_reloc *, struct internal_syment *, asection **);
802
803 reloc_howto_type *(*_bfd_coff_rtype_to_howto)
804 (bfd *, asection *, struct internal_reloc *,
805 struct coff_link_hash_entry *, struct internal_syment *,
806 bfd_vma *);
807
808 bfd_boolean (*_bfd_coff_adjust_symndx)
809 (bfd *, struct bfd_link_info *, bfd *, asection *,
810 struct internal_reloc *, bfd_boolean *);
811
812 bfd_boolean (*_bfd_coff_link_add_one_symbol)
813 (struct bfd_link_info *, bfd *, const char *, flagword,
814 asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean,
815 struct bfd_link_hash_entry **);
816
817 bfd_boolean (*_bfd_coff_link_output_has_begun)
818 (bfd *, struct coff_final_link_info *);
819
820 bfd_boolean (*_bfd_coff_final_link_postscript)
821 (bfd *, struct coff_final_link_info *);
822
823 bfd_boolean (*_bfd_coff_print_pdata)
824 (bfd *, void *);
825
826} bfd_coff_backend_data;
827
828#define coff_backend_info(abfd) \
829 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
830
831#define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
832 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
833
834#define bfd_coff_swap_sym_in(a,e,i) \
835 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
836
837#define bfd_coff_swap_lineno_in(a,e,i) \
838 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
839
840#define bfd_coff_swap_reloc_out(abfd, i, o) \
841 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
842
843#define bfd_coff_swap_lineno_out(abfd, i, o) \
844 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
845
846#define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
847 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
848
849#define bfd_coff_swap_sym_out(abfd, i,o) \
850 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
851
852#define bfd_coff_swap_scnhdr_out(abfd, i,o) \
853 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
854
855#define bfd_coff_swap_filehdr_out(abfd, i,o) \
856 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
857
858#define bfd_coff_swap_aouthdr_out(abfd, i,o) \
859 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
860
861#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
862#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
863#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
864#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
865#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
866#define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz)
867#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
868#define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen)
869#define bfd_coff_long_filenames(abfd) \
870 (coff_backend_info (abfd)->_bfd_coff_long_filenames)
871#define bfd_coff_long_section_names(abfd) \
872 (coff_backend_info (abfd)->_bfd_coff_long_section_names)
873#define bfd_coff_set_long_section_names(abfd, enable) \
874 ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable))
875#define bfd_coff_default_section_alignment_power(abfd) \
876 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power)
877#define bfd_coff_swap_filehdr_in(abfd, i,o) \
878 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
879
880#define bfd_coff_swap_aouthdr_in(abfd, i,o) \
881 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
882
883#define bfd_coff_swap_scnhdr_in(abfd, i,o) \
884 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
885
886#define bfd_coff_swap_reloc_in(abfd, i, o) \
887 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
888
889#define bfd_coff_bad_format_hook(abfd, filehdr) \
890 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
891
892#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
893 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
894#define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
895 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\
896 (abfd, filehdr, aouthdr))
897
898#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\
899 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\
900 (abfd, scnhdr, name, section, flags_ptr))
901
902#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
903 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
904
905#define bfd_coff_slurp_symbol_table(abfd)\
906 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
907
908#define bfd_coff_symname_in_debug(abfd, sym)\
909 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
910
911#define bfd_coff_force_symnames_in_strings(abfd)\
912 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings)
913
914#define bfd_coff_debug_string_prefix_length(abfd)\
915 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length)
916
917#define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
918 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
919 (abfd, file, base, symbol, aux, indaux))
920
921#define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\
922 reloc, data, src_ptr, dst_ptr)\
923 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
924 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
925
926#define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
927 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
928 (abfd, section, reloc, shrink, link_info))
929
930#define bfd_coff_classify_symbol(abfd, sym)\
931 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\
932 (abfd, sym))
933
934#define bfd_coff_compute_section_file_positions(abfd)\
935 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
936 (abfd))
937
938#define bfd_coff_start_final_link(obfd, info)\
939 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
940 (obfd, info))
941#define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
942 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
943 (obfd, info, ibfd, o, con, rel, isyms, secs))
944#define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
945 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
946 (abfd, sec, rel, h, sym, addendp))
947#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
948 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
949 (obfd, info, ibfd, sec, rel, adjustedp))
950#define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\
951 value, string, cp, coll, hashp)\
952 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
953 (info, abfd, name, flags, section, value, string, cp, coll, hashp))
954
955#define bfd_coff_link_output_has_begun(a,p) \
956 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p))
957#define bfd_coff_final_link_postscript(a,p) \
958 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p))
959
960#define bfd_coff_have_print_pdata(a) \
961 (coff_backend_info (a)->_bfd_coff_print_pdata)
962#define bfd_coff_print_pdata(a,p) \
963 ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p))
964
965/* Macro: Returns true if the bfd is a PE executable as opposed to a
966 PE object file. */
967#define bfd_pei_p(abfd) \
968 (CONST_STRNEQ ((abfd)->xvec->name, "pei-"))