source: trunk/src/binutils/bfd/libcoff.h@ 524

Last change on this file since 524 was 10, checked in by bird, 22 years ago

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1/* BFD COFF object file private structure.
2 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3 2000, 2001
4 Free Software Foundation, Inc.
5 Written by Cygnus Support.
6
7** NOTE: libcoff.h is a GENERATED file. Don't change it; instead,
8** change libcoff-in.h or coffcode.h.
9
10This file is part of BFD, the Binary File Descriptor library.
11
12This program is free software; you can redistribute it and/or modify
13it under the terms of the GNU General Public License as published by
14the Free Software Foundation; either version 2 of the License, or
15(at your option) any later version.
16
17This program is distributed in the hope that it will be useful,
18but WITHOUT ANY WARRANTY; without even the implied warranty of
19MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20GNU General Public License for more details.
21
22You should have received a copy of the GNU General Public License
23along with this program; if not, write to the Free Software
24Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
25
26#include "bfdlink.h"
27
28/* Object file tdata; access macros */
29
30#define coff_data(bfd) ((bfd)->tdata.coff_obj_data)
31#define exec_hdr(bfd) (coff_data(bfd)->hdr)
32#define obj_pe(bfd) (coff_data(bfd)->pe)
33#define obj_symbols(bfd) (coff_data(bfd)->symbols)
34#define obj_sym_filepos(bfd) (coff_data(bfd)->sym_filepos)
35
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
42#define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms)
43#define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms)
44#define obj_coff_strings(bfd) (coff_data (bfd)->strings)
45#define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings)
46#define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes)
47#define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written)
48
49#define obj_coff_local_toc_table(bfd) (coff_data(bfd)->local_toc_sym_map)
50
51/* `Tdata' information kept for COFF files. */
52
53typedef struct coff_tdata
54{
55 struct coff_symbol_struct *symbols; /* symtab for input bfd */
56 unsigned int *conversion_table;
57 int conv_table_size;
58 file_ptr sym_filepos;
59
60 struct coff_ptr_struct *raw_syments;
61 unsigned long raw_syment_count;
62
63 /* These are only valid once writing has begun */
64 long int relocbase;
65
66 /* These members communicate important constants about the symbol table
67 to GDB's symbol-reading code. These `constants' unfortunately vary
68 from coff implementation to implementation... */
69 unsigned local_n_btmask;
70 unsigned local_n_btshft;
71 unsigned local_n_tmask;
72 unsigned local_n_tshift;
73 unsigned local_symesz;
74 unsigned local_auxesz;
75 unsigned local_linesz;
76
77 /* The unswapped external symbols. May be NULL. Read by
78 _bfd_coff_get_external_symbols. */
79 PTR external_syms;
80 /* If this is true, the external_syms may not be freed. */
81 boolean keep_syms;
82
83 /* The string table. May be NULL. Read by
84 _bfd_coff_read_string_table. */
85 char *strings;
86 /* If this is true, the strings may not be freed. */
87 boolean keep_strings;
88 /* If this is true, the strings have been written out already. */
89 boolean strings_written;
90
91 /* is this a PE format coff file */
92 int pe;
93 /* Used by the COFF backend linker. */
94 struct coff_link_hash_entry **sym_hashes;
95
96 /* used by the pe linker for PowerPC */
97 int *local_toc_sym_map;
98
99 struct bfd_link_info *link_info;
100
101 /* Used by coff_find_nearest_line. */
102 PTR line_info;
103
104 /* A place to stash dwarf2 info for this bfd. */
105 PTR dwarf2_find_line_info;
106
107 /* The timestamp from the COFF file header. */
108 long timestamp;
109
110 /* Copy of some of the f_flags bits in the COFF filehdr structure,
111 used by ARM code. */
112 flagword flags;
113
114} coff_data_type;
115
116/* Tdata for pe image files. */
117typedef struct pe_tdata
118{
119 coff_data_type coff;
120 struct internal_extra_pe_aouthdr pe_opthdr;
121 int dll;
122 int has_reloc_section;
123 boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *));
124 flagword real_flags;
125 int target_subsystem;
126 boolean force_minimum_alignment;
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 boolean xcoff64;
140
141 /* True if a large a.out header should be generated. */
142 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 unsigned long *debug_indices;
174 unsigned int import_file_id;
175};
176
177#define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
178
179/* We take the address of the first element of a asymbol to ensure that the
180 * macro is only ever applied to an asymbol. */
181#define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
182
183/* The used_by_bfd field of a section may be set to a pointer to this
184 structure. */
185
186struct coff_section_tdata
187{
188 /* The relocs, swapped into COFF internal form. This may be NULL. */
189 struct internal_reloc *relocs;
190 /* If this is true, the relocs entry may not be freed. */
191 boolean keep_relocs;
192 /* The section contents. This may be NULL. */
193 bfd_byte *contents;
194 /* If this is true, the contents entry may not be freed. */
195 boolean keep_contents;
196 /* Information cached by coff_find_nearest_line. */
197 bfd_vma offset;
198 unsigned int i;
199 const char *function;
200 int line_base;
201 /* A pointer used for .stab linking optimizations. */
202 PTR stab_info;
203 /* Available for individual backends. */
204 PTR tdata;
205};
206
207/* An accessor macro for the coff_section_tdata structure. */
208#define coff_section_data(abfd, sec) \
209 ((struct coff_section_tdata *) (sec)->used_by_bfd)
210
211/* Tdata for sections in XCOFF files. This is used by the linker. */
212
213struct xcoff_section_tdata
214{
215 /* Used for XCOFF csects created by the linker; points to the real
216 XCOFF section which contains this csect. */
217 asection *enclosing;
218 /* The lineno_count field for the enclosing section, because we are
219 going to clobber it there. */
220 unsigned int lineno_count;
221 /* The first and one past the last symbol indices for symbols used
222 by this csect. */
223 unsigned long first_symndx;
224 unsigned long last_symndx;
225};
226
227/* An accessor macro the xcoff_section_tdata structure. */
228#define xcoff_section_data(abfd, sec) \
229 ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
230
231/* Tdata for sections in PE files. */
232
233struct pei_section_tdata
234{
235 /* The virtual size of the section. */
236 bfd_size_type virt_size;
237 /* The PE section flags. */
238 long pe_flags;
239};
240
241/* An accessor macro for the pei_section_tdata structure. */
242#define pei_section_data(abfd, sec) \
243 ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
244
245/* COFF linker hash table entries. */
246
247struct coff_link_hash_entry
248{
249 struct bfd_link_hash_entry root;
250
251 /* Symbol index in output file. Set to -1 initially. Set to -2 if
252 there is a reloc against this symbol. */
253 long indx;
254
255 /* Symbol type. */
256 unsigned short type;
257
258 /* Symbol class. */
259 unsigned char class;
260
261 /* Number of auxiliary entries. */
262 char numaux;
263
264 /* BFD to take auxiliary entries from. */
265 bfd *auxbfd;
266
267 /* Pointer to array of auxiliary entries, if any. */
268 union internal_auxent *aux;
269
270 /* Flag word; legal values follow. */
271 unsigned short coff_link_hash_flags;
272 /* Symbol is a PE section symbol. */
273#define COFF_LINK_HASH_PE_SECTION_SYMBOL (01)
274};
275
276/* COFF linker hash table. */
277
278struct coff_link_hash_table
279{
280 struct bfd_link_hash_table root;
281 /* A pointer to information used to link stabs in sections. */
282 PTR stab_info;
283};
284
285/* Look up an entry in a COFF linker hash table. */
286
287#define coff_link_hash_lookup(table, string, create, copy, follow) \
288 ((struct coff_link_hash_entry *) \
289 bfd_link_hash_lookup (&(table)->root, (string), (create), \
290 (copy), (follow)))
291
292/* Traverse a COFF linker hash table. */
293
294#define coff_link_hash_traverse(table, func, info) \
295 (bfd_link_hash_traverse \
296 (&(table)->root, \
297 (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
298 (info)))
299
300/* Get the COFF linker hash table from a link_info structure. */
301
302#define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
303
304/* Functions in coffgen.c. */
305extern const bfd_target *coff_object_p PARAMS ((bfd *));
306extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int));
307extern long coff_get_symtab_upper_bound PARAMS ((bfd *));
308extern long coff_get_symtab PARAMS ((bfd *, asymbol **));
309extern int coff_count_linenumbers PARAMS ((bfd *));
310extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *));
311extern boolean coff_renumber_symbols PARAMS ((bfd *, int *));
312extern void coff_mangle_symbols PARAMS ((bfd *));
313extern boolean coff_write_symbols PARAMS ((bfd *));
314extern boolean coff_write_linenumbers PARAMS ((bfd *));
315extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *));
316extern asymbol *coff_section_symbol PARAMS ((bfd *, char *));
317extern boolean _bfd_coff_get_external_symbols PARAMS ((bfd *));
318extern const char *_bfd_coff_read_string_table PARAMS ((bfd *));
319extern boolean _bfd_coff_free_symbols PARAMS ((bfd *));
320extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *));
321extern long coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
322extern asymbol *coff_make_empty_symbol PARAMS ((bfd *));
323extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *,
324 bfd_print_symbol_type how));
325extern void coff_get_symbol_info PARAMS ((bfd *, asymbol *,
326 symbol_info *ret));
327extern boolean _bfd_coff_is_local_label_name PARAMS ((bfd *, const char *));
328extern asymbol *coff_bfd_make_debug_symbol PARAMS ((bfd *, PTR,
329 unsigned long));
330extern boolean coff_find_nearest_line PARAMS ((bfd *,
331 asection *,
332 asymbol **,
333 bfd_vma offset,
334 CONST char **filename_ptr,
335 CONST char **functionname_ptr,
336 unsigned int *line_ptr));
337extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc));
338extern boolean bfd_coff_reloc16_relax_section
339 PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
340extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
341 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
342 bfd_byte *, boolean relocateable, asymbol **));
343extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *,
344 struct bfd_link_info *,
345 asection *));
346extern void bfd_perform_slip PARAMS ((bfd *abfd, unsigned int slip,
347 asection *input_section,
348 bfd_vma val));
349
350/* Functions and types in cofflink.c. */
351
352#define STRING_SIZE_SIZE (4)
353
354/* We use a hash table to merge identical enum, struct, and union
355 definitions in the linker. */
356
357/* Information we keep for a single element (an enum value, a
358 structure or union field) in the debug merge hash table. */
359
360struct coff_debug_merge_element
361{
362 /* Next element. */
363 struct coff_debug_merge_element *next;
364
365 /* Name. */
366 const char *name;
367
368 /* Type. */
369 unsigned int type;
370
371 /* Symbol index for complex type. */
372 long tagndx;
373};
374
375/* A linked list of debug merge entries for a given name. */
376
377struct coff_debug_merge_type
378{
379 /* Next type with the same name. */
380 struct coff_debug_merge_type *next;
381
382 /* Class of type. */
383 int class;
384
385 /* Symbol index where this type is defined. */
386 long indx;
387
388 /* List of elements. */
389 struct coff_debug_merge_element *elements;
390};
391
392/* Information we store in the debug merge hash table. */
393
394struct coff_debug_merge_hash_entry
395{
396 struct bfd_hash_entry root;
397
398 /* A list of types with this name. */
399 struct coff_debug_merge_type *types;
400};
401
402/* The debug merge hash table. */
403
404struct coff_debug_merge_hash_table
405{
406 struct bfd_hash_table root;
407};
408
409/* Initialize a COFF debug merge hash table. */
410
411#define coff_debug_merge_hash_table_init(table) \
412 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc))
413
414/* Free a COFF debug merge hash table. */
415
416#define coff_debug_merge_hash_table_free(table) \
417 (bfd_hash_table_free (&(table)->root))
418
419/* Look up an entry in a COFF debug merge hash table. */
420
421#define coff_debug_merge_hash_lookup(table, string, create, copy) \
422 ((struct coff_debug_merge_hash_entry *) \
423 bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
424
425/* Information we keep for each section in the output file when doing
426 a relocateable link. */
427
428struct coff_link_section_info
429{
430 /* The relocs to be output. */
431 struct internal_reloc *relocs;
432 /* For each reloc against a global symbol whose index was not known
433 when the reloc was handled, the global hash table entry. */
434 struct coff_link_hash_entry **rel_hashes;
435};
436
437/* Information that we pass around while doing the final link step. */
438
439struct coff_final_link_info
440{
441 /* General link information. */
442 struct bfd_link_info *info;
443 /* Output BFD. */
444 bfd *output_bfd;
445 /* Used to indicate failure in traversal routine. */
446 boolean failed;
447 /* If doing "task linking" set only during the time when we want the
448 global symbol writer to convert the storage class of defined global
449 symbols from global to static. */
450 boolean global_to_static;
451 /* Hash table for long symbol names. */
452 struct bfd_strtab_hash *strtab;
453 /* When doing a relocateable link, an array of information kept for
454 each output section, indexed by the target_index field. */
455 struct coff_link_section_info *section_info;
456 /* Symbol index of last C_FILE symbol (-1 if none). */
457 long last_file_index;
458 /* Contents of last C_FILE symbol. */
459 struct internal_syment last_file;
460 /* Symbol index of first aux entry of last .bf symbol with an empty
461 endndx field (-1 if none). */
462 long last_bf_index;
463 /* Contents of last_bf_index aux entry. */
464 union internal_auxent last_bf;
465 /* Hash table used to merge debug information. */
466 struct coff_debug_merge_hash_table debug_merge;
467 /* Buffer large enough to hold swapped symbols of any input file. */
468 struct internal_syment *internal_syms;
469 /* Buffer large enough to hold sections of symbols of any input file. */
470 asection **sec_ptrs;
471 /* Buffer large enough to hold output indices of symbols of any
472 input file. */
473 long *sym_indices;
474 /* Buffer large enough to hold output symbols for any input file. */
475 bfd_byte *outsyms;
476 /* Buffer large enough to hold external line numbers for any input
477 section. */
478 bfd_byte *linenos;
479 /* Buffer large enough to hold any input section. */
480 bfd_byte *contents;
481 /* Buffer large enough to hold external relocs of any input section. */
482 bfd_byte *external_relocs;
483 /* Buffer large enough to hold swapped relocs of any input section. */
484 struct internal_reloc *internal_relocs;
485};
486
487/* Most COFF variants have no way to record the alignment of a
488 section. This struct is used to set a specific alignment based on
489 the name of the section. */
490
491struct coff_section_alignment_entry
492{
493 /* The section name. */
494 const char *name;
495
496 /* This is either (unsigned int) -1, indicating that the section
497 name must match exactly, or it is the number of letters which
498 must match at the start of the name. */
499 unsigned int comparison_length;
500
501 /* These macros may be used to fill in the first two fields in a
502 structure initialization. */
503#define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1)
504#define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1)
505
506 /* Only use this entry if the default section alignment for this
507 target is at least that much (as a power of two). If this field
508 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */
509 unsigned int default_alignment_min;
510
511 /* Only use this entry if the default section alignment for this
512 target is no greater than this (as a power of two). If this
513 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */
514 unsigned int default_alignment_max;
515
516#define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1)
517
518 /* The desired alignment for this section (as a power of two). */
519 unsigned int alignment_power;
520};
521
522extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
523 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
524extern boolean _bfd_coff_link_hash_table_init
525 PARAMS ((struct coff_link_hash_table *, bfd *,
526 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
527 struct bfd_hash_table *,
528 const char *)));
529extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
530 PARAMS ((bfd *));
531extern const char *_bfd_coff_internal_syment_name
532 PARAMS ((bfd *, const struct internal_syment *, char *));
533extern boolean _bfd_coff_link_add_symbols
534 PARAMS ((bfd *, struct bfd_link_info *));
535extern boolean _bfd_coff_final_link
536 PARAMS ((bfd *, struct bfd_link_info *));
537extern struct internal_reloc *_bfd_coff_read_internal_relocs
538 PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean,
539 struct internal_reloc *));
540extern boolean _bfd_coff_generic_relocate_section
541 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
542 struct internal_reloc *, struct internal_syment *, asection **));
543
544extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc
545 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
546extern boolean _bfd_coff_write_global_sym
547 PARAMS ((struct coff_link_hash_entry *, PTR));
548extern boolean _bfd_coff_write_task_globals
549 PARAMS ((struct coff_link_hash_entry *, PTR));
550extern boolean _bfd_coff_link_input_bfd
551 PARAMS ((struct coff_final_link_info *, bfd *));
552extern boolean _bfd_coff_reloc_link_order
553 PARAMS ((bfd *, struct coff_final_link_info *, asection *,
554 struct bfd_link_order *));
555
556
557#define coff_get_section_contents_in_window \
558 _bfd_generic_get_section_contents_in_window
559
560/* Functions in xcofflink.c. */
561
562extern long _bfd_xcoff_get_dynamic_symtab_upper_bound PARAMS ((bfd *));
563extern long _bfd_xcoff_canonicalize_dynamic_symtab
564 PARAMS ((bfd *, asymbol **));
565extern long _bfd_xcoff_get_dynamic_reloc_upper_bound PARAMS ((bfd *));
566extern long _bfd_xcoff_canonicalize_dynamic_reloc
567 PARAMS ((bfd *, arelent **, asymbol **));
568extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
569 PARAMS ((bfd *));
570extern boolean _bfd_xcoff_bfd_link_add_symbols
571 PARAMS ((bfd *, struct bfd_link_info *));
572extern boolean _bfd_xcoff_bfd_final_link
573 PARAMS ((bfd *, struct bfd_link_info *));
574extern boolean _bfd_ppc_xcoff_relocate_section
575 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
576 struct internal_reloc *, struct internal_syment *, asection **));
577
578/* Functions in coff-ppc.c. FIXME: These are called be pe.em in the
579 linker, and so should start with bfd and be declared in bfd.h. */
580
581extern boolean ppc_allocate_toc_section PARAMS ((struct bfd_link_info *));
582extern boolean ppc_process_before_allocation
583 PARAMS ((bfd *, struct bfd_link_info *));
584
585/* And more taken from the source .. */
586
587typedef struct coff_ptr_struct
588{
589
590 /* Remembers the offset from the first symbol in the file for
591 this symbol. Generated by coff_renumber_symbols. */
592unsigned int offset;
593
594 /* Should the value of this symbol be renumbered. Used for
595 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */
596unsigned int fix_value : 1;
597
598 /* Should the tag field of this symbol be renumbered.
599 Created by coff_pointerize_aux. */
600unsigned int fix_tag : 1;
601
602 /* Should the endidx field of this symbol be renumbered.
603 Created by coff_pointerize_aux. */
604unsigned int fix_end : 1;
605
606 /* Should the x_csect.x_scnlen field be renumbered.
607 Created by coff_pointerize_aux. */
608unsigned int fix_scnlen : 1;
609
610 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the
611 index into the line number entries. Set by
612 coff_slurp_symbol_table. */
613unsigned int fix_line : 1;
614
615 /* The container for the symbol structure as read and translated
616 from the file. */
617
618union {
619 union internal_auxent auxent;
620 struct internal_syment syment;
621 } u;
622} combined_entry_type;
623
624
625/* Each canonical asymbol really looks like this: */
626
627typedef struct coff_symbol_struct
628{
629 /* The actual symbol which the rest of BFD works with */
630asymbol symbol;
631
632 /* A pointer to the hidden information for this symbol */
633combined_entry_type *native;
634
635 /* A pointer to the linenumber information for this symbol */
636struct lineno_cache_entry *lineno;
637
638 /* Have the line numbers been relocated yet ? */
639boolean done_lineno;
640} coff_symbol_type;
641/* COFF symbol classifications. */
642
643enum coff_symbol_classification
644{
645 /* Global symbol. */
646 COFF_SYMBOL_GLOBAL,
647 /* Common symbol. */
648 COFF_SYMBOL_COMMON,
649 /* Undefined symbol. */
650 COFF_SYMBOL_UNDEFINED,
651 /* Local symbol. */
652 COFF_SYMBOL_LOCAL,
653 /* PE section symbol. */
654 COFF_SYMBOL_PE_SECTION
655};
656
657typedef struct
658{
659 void (*_bfd_coff_swap_aux_in) PARAMS ((
660 bfd *abfd,
661 PTR ext,
662 int type,
663 int class,
664 int indaux,
665 int numaux,
666 PTR in));
667
668 void (*_bfd_coff_swap_sym_in) PARAMS ((
669 bfd *abfd ,
670 PTR ext,
671 PTR in));
672
673 void (*_bfd_coff_swap_lineno_in) PARAMS ((
674 bfd *abfd,
675 PTR ext,
676 PTR in));
677
678 unsigned int (*_bfd_coff_swap_aux_out) PARAMS ((
679 bfd *abfd,
680 PTR in,
681 int type,
682 int class,
683 int indaux,
684 int numaux,
685 PTR ext));
686
687 unsigned int (*_bfd_coff_swap_sym_out) PARAMS ((
688 bfd *abfd,
689 PTR in,
690 PTR ext));
691
692 unsigned int (*_bfd_coff_swap_lineno_out) PARAMS ((
693 bfd *abfd,
694 PTR in,
695 PTR ext));
696
697 unsigned int (*_bfd_coff_swap_reloc_out) PARAMS ((
698 bfd *abfd,
699 PTR src,
700 PTR dst));
701
702 unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS ((
703 bfd *abfd,
704 PTR in,
705 PTR out));
706
707 unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS ((
708 bfd *abfd,
709 PTR in,
710 PTR out));
711
712 unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS ((
713 bfd *abfd,
714 PTR in,
715 PTR out));
716
717 unsigned int _bfd_filhsz;
718 unsigned int _bfd_aoutsz;
719 unsigned int _bfd_scnhsz;
720 unsigned int _bfd_symesz;
721 unsigned int _bfd_auxesz;
722 unsigned int _bfd_relsz;
723 unsigned int _bfd_linesz;
724 unsigned int _bfd_filnmlen;
725 boolean _bfd_coff_long_filenames;
726 boolean _bfd_coff_long_section_names;
727 unsigned int _bfd_coff_default_section_alignment_power;
728 boolean _bfd_coff_force_symnames_in_strings;
729 unsigned int _bfd_coff_debug_string_prefix_length;
730 void (*_bfd_coff_swap_filehdr_in) PARAMS ((
731 bfd *abfd,
732 PTR ext,
733 PTR in));
734 void (*_bfd_coff_swap_aouthdr_in) PARAMS ((
735 bfd *abfd,
736 PTR ext,
737 PTR in));
738 void (*_bfd_coff_swap_scnhdr_in) PARAMS ((
739 bfd *abfd,
740 PTR ext,
741 PTR in));
742 void (*_bfd_coff_swap_reloc_in) PARAMS ((
743 bfd *abfd,
744 PTR ext,
745 PTR in));
746 boolean (*_bfd_coff_bad_format_hook) PARAMS ((
747 bfd *abfd,
748 PTR internal_filehdr));
749 boolean (*_bfd_coff_set_arch_mach_hook) PARAMS ((
750 bfd *abfd,
751 PTR internal_filehdr));
752 PTR (*_bfd_coff_mkobject_hook) PARAMS ((
753 bfd *abfd,
754 PTR internal_filehdr,
755 PTR internal_aouthdr));
756 flagword (*_bfd_styp_to_sec_flags_hook) PARAMS ((
757 bfd *abfd,
758 PTR internal_scnhdr,
759 const char *name,
760 asection *section));
761 void (*_bfd_set_alignment_hook) PARAMS ((
762 bfd *abfd,
763 asection *sec,
764 PTR internal_scnhdr));
765 boolean (*_bfd_coff_slurp_symbol_table) PARAMS ((
766 bfd *abfd));
767 boolean (*_bfd_coff_symname_in_debug) PARAMS ((
768 bfd *abfd,
769 struct internal_syment *sym));
770 boolean (*_bfd_coff_pointerize_aux_hook) PARAMS ((
771 bfd *abfd,
772 combined_entry_type *table_base,
773 combined_entry_type *symbol,
774 unsigned int indaux,
775 combined_entry_type *aux));
776 boolean (*_bfd_coff_print_aux) PARAMS ((
777 bfd *abfd,
778 FILE *file,
779 combined_entry_type *table_base,
780 combined_entry_type *symbol,
781 combined_entry_type *aux,
782 unsigned int indaux));
783 void (*_bfd_coff_reloc16_extra_cases) PARAMS ((
784 bfd *abfd,
785 struct bfd_link_info *link_info,
786 struct bfd_link_order *link_order,
787 arelent *reloc,
788 bfd_byte *data,
789 unsigned int *src_ptr,
790 unsigned int *dst_ptr));
791 int (*_bfd_coff_reloc16_estimate) PARAMS ((
792 bfd *abfd,
793 asection *input_section,
794 arelent *r,
795 unsigned int shrink,
796 struct bfd_link_info *link_info));
797 enum coff_symbol_classification (*_bfd_coff_classify_symbol) PARAMS ((
798 bfd *abfd,
799 struct internal_syment *));
800 boolean (*_bfd_coff_compute_section_file_positions) PARAMS ((
801 bfd *abfd));
802 boolean (*_bfd_coff_start_final_link) PARAMS ((
803 bfd *output_bfd,
804 struct bfd_link_info *info));
805 boolean (*_bfd_coff_relocate_section) PARAMS ((
806 bfd *output_bfd,
807 struct bfd_link_info *info,
808 bfd *input_bfd,
809 asection *input_section,
810 bfd_byte *contents,
811 struct internal_reloc *relocs,
812 struct internal_syment *syms,
813 asection **sections));
814 reloc_howto_type *(*_bfd_coff_rtype_to_howto) PARAMS ((
815 bfd *abfd,
816 asection *sec,
817 struct internal_reloc *rel,
818 struct coff_link_hash_entry *h,
819 struct internal_syment *sym,
820 bfd_vma *addendp));
821 boolean (*_bfd_coff_adjust_symndx) PARAMS ((
822 bfd *obfd,
823 struct bfd_link_info *info,
824 bfd *ibfd,
825 asection *sec,
826 struct internal_reloc *reloc,
827 boolean *adjustedp));
828 boolean (*_bfd_coff_link_add_one_symbol) PARAMS ((
829 struct bfd_link_info *info,
830 bfd *abfd,
831 const char *name,
832 flagword flags,
833 asection *section,
834 bfd_vma value,
835 const char *string,
836 boolean copy,
837 boolean collect,
838 struct bfd_link_hash_entry **hashp));
839
840 boolean (*_bfd_coff_link_output_has_begun) PARAMS ((
841 bfd * abfd,
842 struct coff_final_link_info * pfinfo));
843 boolean (*_bfd_coff_final_link_postscript) PARAMS ((
844 bfd * abfd,
845 struct coff_final_link_info * pfinfo));
846
847} bfd_coff_backend_data;
848
849#define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
850
851#define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
852 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
853
854#define bfd_coff_swap_sym_in(a,e,i) \
855 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
856
857#define bfd_coff_swap_lineno_in(a,e,i) \
858 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
859
860#define bfd_coff_swap_reloc_out(abfd, i, o) \
861 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
862
863#define bfd_coff_swap_lineno_out(abfd, i, o) \
864 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
865
866#define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
867 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
868
869#define bfd_coff_swap_sym_out(abfd, i,o) \
870 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
871
872#define bfd_coff_swap_scnhdr_out(abfd, i,o) \
873 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
874
875#define bfd_coff_swap_filehdr_out(abfd, i,o) \
876 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
877
878#define bfd_coff_swap_aouthdr_out(abfd, i,o) \
879 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
880
881#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
882#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
883#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
884#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
885#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
886#define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz)
887#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
888#define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen)
889#define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames)
890#define bfd_coff_long_section_names(abfd) \
891 (coff_backend_info (abfd)->_bfd_coff_long_section_names)
892#define bfd_coff_default_section_alignment_power(abfd) \
893 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power)
894#define bfd_coff_swap_filehdr_in(abfd, i,o) \
895 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
896
897#define bfd_coff_swap_aouthdr_in(abfd, i,o) \
898 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
899
900#define bfd_coff_swap_scnhdr_in(abfd, i,o) \
901 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
902
903#define bfd_coff_swap_reloc_in(abfd, i, o) \
904 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
905
906#define bfd_coff_bad_format_hook(abfd, filehdr) \
907 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
908
909#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
910 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
911#define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
912 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr))
913
914#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section)\
915 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\
916 (abfd, scnhdr, name, section))
917
918#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
919 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
920
921#define bfd_coff_slurp_symbol_table(abfd)\
922 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
923
924#define bfd_coff_symname_in_debug(abfd, sym)\
925 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
926
927#define bfd_coff_force_symnames_in_strings(abfd)\
928 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings)
929
930#define bfd_coff_debug_string_prefix_length(abfd)\
931 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length)
932
933#define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
934 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
935 (abfd, file, base, symbol, aux, indaux))
936
937#define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\
938 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
939 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
940
941#define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
942 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
943 (abfd, section, reloc, shrink, link_info))
944
945#define bfd_coff_classify_symbol(abfd, sym)\
946 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\
947 (abfd, sym))
948
949#define bfd_coff_compute_section_file_positions(abfd)\
950 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
951 (abfd))
952
953#define bfd_coff_start_final_link(obfd, info)\
954 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
955 (obfd, info))
956#define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
957 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
958 (obfd, info, ibfd, o, con, rel, isyms, secs))
959#define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
960 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
961 (abfd, sec, rel, h, sym, addendp))
962#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
963 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
964 (obfd, info, ibfd, sec, rel, adjustedp))
965#define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\
966 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
967 (info, abfd, name, flags, section, value, string, cp, coll, hashp))
968
969#define bfd_coff_link_output_has_begun(a,p) \
970 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a,p))
971#define bfd_coff_final_link_postscript(a,p) \
972 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p))
973
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