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[binutils.git] / bfd / libcoff.h
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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. */
5 /* BFD COFF object file private structure.
6 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
7 2000, 2001, 2002, 2003
8 Free Software Foundation, Inc.
9 Written by Cygnus Support.
11 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
27 #include "bfdlink.h"
29 /* Object file tdata; access macros */
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)
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)
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)
50 #define obj_coff_local_toc_table(bfd) (coff_data(bfd)->local_toc_sym_map)
52 /* `Tdata' information kept for COFF files. */
54 typedef struct coff_tdata
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;
61 struct coff_ptr_struct *raw_syments;
62 unsigned long raw_syment_count;
64 /* These are only valid once writing has begun */
65 long int relocbase;
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;
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 bfd_boolean keep_syms;
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 bfd_boolean keep_strings;
89 /* If this is TRUE, the strings have been written out already. */
90 bfd_boolean strings_written;
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;
97 /* used by the pe linker for PowerPC */
98 int *local_toc_sym_map;
100 struct bfd_link_info *link_info;
102 /* Used by coff_find_nearest_line. */
103 PTR line_info;
105 /* A place to stash dwarf2 info for this bfd. */
106 PTR dwarf2_find_line_info;
108 /* The timestamp from the COFF file header. */
109 long timestamp;
111 /* Copy of some of the f_flags bits in the COFF filehdr structure,
112 used by ARM code. */
113 flagword flags;
115 } coff_data_type;
117 /* Tdata for pe image files. */
118 typedef struct pe_tdata
120 coff_data_type coff;
121 struct internal_extra_pe_aouthdr pe_opthdr;
122 int dll;
123 int has_reloc_section;
124 bfd_boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *));
125 flagword real_flags;
126 int target_subsystem;
127 bfd_boolean force_minimum_alignment;
128 } pe_data_type;
130 #define pe_data(bfd) ((bfd)->tdata.pe_obj_data)
132 /* Tdata for XCOFF files. */
134 struct xcoff_tdata
136 /* Basic COFF information. */
137 coff_data_type coff;
139 /* TRUE if this is an XCOFF64 file. */
140 bfd_boolean xcoff64;
142 /* TRUE if a large a.out header should be generated. */
143 bfd_boolean full_aouthdr;
145 /* TOC value. */
146 bfd_vma toc;
148 /* Index of section holding TOC. */
149 int sntoc;
151 /* Index of section holding entry point. */
152 int snentry;
154 /* .text alignment from optional header. */
155 int text_align_power;
157 /* .data alignment from optional header. */
158 int data_align_power;
160 /* modtype from optional header. */
161 short modtype;
163 /* cputype from optional header. */
164 short cputype;
166 /* maxdata from optional header. */
167 bfd_vma maxdata;
169 /* maxstack from optional header. */
170 bfd_vma maxstack;
172 /* Used by the XCOFF backend linker. */
173 asection **csects;
174 unsigned long *debug_indices;
175 unsigned int import_file_id;
178 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
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)))
184 /* The used_by_bfd field of a section may be set to a pointer to this
185 structure. */
187 struct coff_section_tdata
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 int line_base;
202 /* A pointer used for .stab linking optimizations. */
203 PTR stab_info;
204 /* Available for individual backends. */
205 PTR tdata;
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)
212 /* Tdata for sections in XCOFF files. This is used by the linker. */
214 struct xcoff_section_tdata
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;
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)
232 /* Tdata for sections in PE files. */
234 struct pei_section_tdata
236 /* The virtual size of the section. */
237 bfd_size_type virt_size;
238 /* The PE section flags. */
239 long pe_flags;
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)
246 /* COFF linker hash table entries. */
248 struct coff_link_hash_entry
250 struct bfd_link_hash_entry root;
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;
256 /* Symbol type. */
257 unsigned short type;
259 /* Symbol class. */
260 unsigned char class;
262 /* Number of auxiliary entries. */
263 char numaux;
265 /* BFD to take auxiliary entries from. */
266 bfd *auxbfd;
268 /* Pointer to array of auxiliary entries, if any. */
269 union internal_auxent *aux;
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)
277 /* COFF linker hash table. */
279 struct coff_link_hash_table
281 struct bfd_link_hash_table root;
282 /* A pointer to information used to link stabs in sections. */
283 PTR stab_info;
286 /* Look up an entry in a COFF linker hash table. */
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)))
293 /* Traverse a COFF linker hash table. */
295 #define coff_link_hash_traverse(table, func, info) \
296 (bfd_link_hash_traverse \
297 (&(table)->root, \
298 (bfd_boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
299 (info)))
301 /* Get the COFF linker hash table from a link_info structure. */
303 #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
305 /* Functions in coffgen.c. */
306 extern const bfd_target *coff_object_p
307 PARAMS ((bfd *));
308 extern struct bfd_section *coff_section_from_bfd_index
309 PARAMS ((bfd *, int));
310 extern long coff_get_symtab_upper_bound
311 PARAMS ((bfd *));
312 extern long coff_canonicalize_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 bfd_boolean coff_renumber_symbols
319 PARAMS ((bfd *, int *));
320 extern void coff_mangle_symbols
321 PARAMS ((bfd *));
322 extern bfd_boolean coff_write_symbols
323 PARAMS ((bfd *));
324 extern bfd_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 bfd_boolean _bfd_coff_get_external_symbols
331 PARAMS ((bfd *));
332 extern const char *_bfd_coff_read_string_table
333 PARAMS ((bfd *));
334 extern bfd_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 bfd_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 bfd_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 *, bfd_boolean));
355 extern bfd_boolean bfd_coff_reloc16_relax_section
356 PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_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 *, bfd_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));
365 /* Functions and types in cofflink.c. */
367 #define STRING_SIZE_SIZE (4)
369 /* We use a hash table to merge identical enum, struct, and union
370 definitions in the linker. */
372 /* Information we keep for a single element (an enum value, a
373 structure or union field) in the debug merge hash table. */
375 struct coff_debug_merge_element
377 /* Next element. */
378 struct coff_debug_merge_element *next;
380 /* Name. */
381 const char *name;
383 /* Type. */
384 unsigned int type;
386 /* Symbol index for complex type. */
387 long tagndx;
390 /* A linked list of debug merge entries for a given name. */
392 struct coff_debug_merge_type
394 /* Next type with the same name. */
395 struct coff_debug_merge_type *next;
397 /* Class of type. */
398 int class;
400 /* Symbol index where this type is defined. */
401 long indx;
403 /* List of elements. */
404 struct coff_debug_merge_element *elements;
407 /* Information we store in the debug merge hash table. */
409 struct coff_debug_merge_hash_entry
411 struct bfd_hash_entry root;
413 /* A list of types with this name. */
414 struct coff_debug_merge_type *types;
417 /* The debug merge hash table. */
419 struct coff_debug_merge_hash_table
421 struct bfd_hash_table root;
424 /* Initialize a COFF debug merge hash table. */
426 #define coff_debug_merge_hash_table_init(table) \
427 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc))
429 /* Free a COFF debug merge hash table. */
431 #define coff_debug_merge_hash_table_free(table) \
432 (bfd_hash_table_free (&(table)->root))
434 /* Look up an entry in a COFF debug merge hash table. */
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)))
440 /* Information we keep for each section in the output file when doing
441 a relocatable link. */
443 struct coff_link_section_info
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;
452 /* Information that we pass around while doing the final link step. */
454 struct coff_final_link_info
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 bfd_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 bfd_boolean global_to_static;
466 /* Hash table for long symbol names. */
467 struct bfd_strtab_hash *strtab;
468 /* When doing a relocatable 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;
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. */
506 struct coff_section_alignment_entry
508 /* The section name. */
509 const char *name;
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;
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)
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;
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;
531 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1)
533 /* The desired alignment for this section (as a power of two). */
534 unsigned int alignment_power;
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 bfd_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 bfd_boolean _bfd_coff_link_add_symbols
549 PARAMS ((bfd *, struct bfd_link_info *));
550 extern bfd_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 *, bfd_boolean, bfd_byte *, bfd_boolean,
554 struct internal_reloc *));
555 extern bfd_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 **));
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 bfd_boolean _bfd_coff_write_global_sym
562 PARAMS ((struct coff_link_hash_entry *, PTR));
563 extern bfd_boolean _bfd_coff_write_task_globals
564 PARAMS ((struct coff_link_hash_entry *, PTR));
565 extern bfd_boolean _bfd_coff_link_input_bfd
566 PARAMS ((struct coff_final_link_info *, bfd *));
567 extern bfd_boolean _bfd_coff_reloc_link_order
568 PARAMS ((bfd *, struct coff_final_link_info *, asection *,
569 struct bfd_link_order *));
572 #define coff_get_section_contents_in_window \
573 _bfd_generic_get_section_contents_in_window
575 /* Functions in xcofflink.c. */
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 void _bfd_xcoff_bfd_link_hash_table_free
588 PARAMS ((struct bfd_link_hash_table *));
589 extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols
590 PARAMS ((bfd *, struct bfd_link_info *));
591 extern bfd_boolean _bfd_xcoff_bfd_final_link
592 PARAMS ((bfd *, struct bfd_link_info *));
593 extern bfd_boolean _bfd_ppc_xcoff_relocate_section
594 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
595 struct internal_reloc *, struct internal_syment *, asection **));
597 /* Functions in coff-ppc.c. FIXME: These are called be pe.em in the
598 linker, and so should start with bfd and be declared in bfd.h. */
600 extern bfd_boolean ppc_allocate_toc_section
601 PARAMS ((struct bfd_link_info *));
602 extern bfd_boolean ppc_process_before_allocation
603 PARAMS ((bfd *, struct bfd_link_info *));
605 /* Extracted from coffcode.h. */
606 typedef struct coff_ptr_struct
608 /* Remembers the offset from the first symbol in the file for
609 this symbol. Generated by coff_renumber_symbols. */
610 unsigned int offset;
612 /* Should the value of this symbol be renumbered. Used for
613 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */
614 unsigned int fix_value : 1;
616 /* Should the tag field of this symbol be renumbered.
617 Created by coff_pointerize_aux. */
618 unsigned int fix_tag : 1;
620 /* Should the endidx field of this symbol be renumbered.
621 Created by coff_pointerize_aux. */
622 unsigned int fix_end : 1;
624 /* Should the x_csect.x_scnlen field be renumbered.
625 Created by coff_pointerize_aux. */
626 unsigned int fix_scnlen : 1;
628 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the
629 index into the line number entries. Set by coff_slurp_symbol_table. */
630 unsigned int fix_line : 1;
632 /* The container for the symbol structure as read and translated
633 from the file. */
634 union
636 union internal_auxent auxent;
637 struct internal_syment syment;
638 } u;
639 } combined_entry_type;
642 /* Each canonical asymbol really looks like this: */
644 typedef struct coff_symbol_struct
646 /* The actual symbol which the rest of BFD works with */
647 asymbol symbol;
649 /* A pointer to the hidden information for this symbol */
650 combined_entry_type *native;
652 /* A pointer to the linenumber information for this symbol */
653 struct lineno_cache_entry *lineno;
655 /* Have the line numbers been relocated yet ? */
656 bfd_boolean done_lineno;
657 } coff_symbol_type;
658 /* COFF symbol classifications. */
660 enum coff_symbol_classification
662 /* Global symbol. */
663 COFF_SYMBOL_GLOBAL,
664 /* Common symbol. */
665 COFF_SYMBOL_COMMON,
666 /* Undefined symbol. */
667 COFF_SYMBOL_UNDEFINED,
668 /* Local symbol. */
669 COFF_SYMBOL_LOCAL,
670 /* PE section symbol. */
671 COFF_SYMBOL_PE_SECTION
674 typedef struct
676 void (*_bfd_coff_swap_aux_in)
677 PARAMS ((bfd *, PTR, int, int, int, int, PTR));
679 void (*_bfd_coff_swap_sym_in)
680 PARAMS ((bfd *, PTR, PTR));
682 void (*_bfd_coff_swap_lineno_in)
683 PARAMS ((bfd *, PTR, PTR));
685 unsigned int (*_bfd_coff_swap_aux_out)
686 PARAMS ((bfd *, PTR, int, int, int, int, PTR));
688 unsigned int (*_bfd_coff_swap_sym_out)
689 PARAMS ((bfd *, PTR, PTR));
691 unsigned int (*_bfd_coff_swap_lineno_out)
692 PARAMS ((bfd *, PTR, PTR));
694 unsigned int (*_bfd_coff_swap_reloc_out)
695 PARAMS ((bfd *, PTR, PTR));
697 unsigned int (*_bfd_coff_swap_filehdr_out)
698 PARAMS ((bfd *, PTR, PTR));
700 unsigned int (*_bfd_coff_swap_aouthdr_out)
701 PARAMS ((bfd *, PTR, PTR));
703 unsigned int (*_bfd_coff_swap_scnhdr_out)
704 PARAMS ((bfd *, PTR, PTR));
706 unsigned int _bfd_filhsz;
707 unsigned int _bfd_aoutsz;
708 unsigned int _bfd_scnhsz;
709 unsigned int _bfd_symesz;
710 unsigned int _bfd_auxesz;
711 unsigned int _bfd_relsz;
712 unsigned int _bfd_linesz;
713 unsigned int _bfd_filnmlen;
714 bfd_boolean _bfd_coff_long_filenames;
715 bfd_boolean _bfd_coff_long_section_names;
716 unsigned int _bfd_coff_default_section_alignment_power;
717 bfd_boolean _bfd_coff_force_symnames_in_strings;
718 unsigned int _bfd_coff_debug_string_prefix_length;
720 void (*_bfd_coff_swap_filehdr_in)
721 PARAMS ((bfd *, PTR, PTR));
723 void (*_bfd_coff_swap_aouthdr_in)
724 PARAMS ((bfd *, PTR, PTR));
726 void (*_bfd_coff_swap_scnhdr_in)
727 PARAMS ((bfd *, PTR, PTR));
729 void (*_bfd_coff_swap_reloc_in)
730 PARAMS ((bfd *abfd, PTR, PTR));
732 bfd_boolean (*_bfd_coff_bad_format_hook)
733 PARAMS ((bfd *, PTR));
735 bfd_boolean (*_bfd_coff_set_arch_mach_hook)
736 PARAMS ((bfd *, PTR));
738 PTR (*_bfd_coff_mkobject_hook)
739 PARAMS ((bfd *, PTR, PTR));
741 bfd_boolean (*_bfd_styp_to_sec_flags_hook)
742 PARAMS ((bfd *, PTR, const char *, asection *, flagword *));
744 void (*_bfd_set_alignment_hook)
745 PARAMS ((bfd *, asection *, PTR));
747 bfd_boolean (*_bfd_coff_slurp_symbol_table)
748 PARAMS ((bfd *));
750 bfd_boolean (*_bfd_coff_symname_in_debug)
751 PARAMS ((bfd *, struct internal_syment *));
753 bfd_boolean (*_bfd_coff_pointerize_aux_hook)
754 PARAMS ((bfd *, combined_entry_type *, combined_entry_type *,
755 unsigned int, combined_entry_type *));
757 bfd_boolean (*_bfd_coff_print_aux)
758 PARAMS ((bfd *, FILE *, combined_entry_type *, combined_entry_type *,
759 combined_entry_type *, unsigned int));
761 void (*_bfd_coff_reloc16_extra_cases)
762 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *,
763 bfd_byte *, unsigned int *, unsigned int *));
765 int (*_bfd_coff_reloc16_estimate)
766 PARAMS ((bfd *, asection *, arelent *, unsigned int,
767 struct bfd_link_info *));
769 enum coff_symbol_classification (*_bfd_coff_classify_symbol)
770 PARAMS ((bfd *, struct internal_syment *));
772 bfd_boolean (*_bfd_coff_compute_section_file_positions)
773 PARAMS ((bfd *));
775 bfd_boolean (*_bfd_coff_start_final_link)
776 PARAMS ((bfd *, struct bfd_link_info *));
778 bfd_boolean (*_bfd_coff_relocate_section)
779 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
780 struct internal_reloc *, struct internal_syment *, asection **));
782 reloc_howto_type *(*_bfd_coff_rtype_to_howto)
783 PARAMS ((bfd *, asection *, struct internal_reloc *,
784 struct coff_link_hash_entry *, struct internal_syment *,
785 bfd_vma *));
787 bfd_boolean (*_bfd_coff_adjust_symndx)
788 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *,
789 struct internal_reloc *, bfd_boolean *));
791 bfd_boolean (*_bfd_coff_link_add_one_symbol)
792 PARAMS ((struct bfd_link_info *, bfd *, const char *, flagword,
793 asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean,
794 struct bfd_link_hash_entry **));
796 bfd_boolean (*_bfd_coff_link_output_has_begun)
797 PARAMS ((bfd *, struct coff_final_link_info *));
799 bfd_boolean (*_bfd_coff_final_link_postscript)
800 PARAMS ((bfd *, struct coff_final_link_info *));
802 } bfd_coff_backend_data;
804 #define coff_backend_info(abfd) \
805 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
807 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
808 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
810 #define bfd_coff_swap_sym_in(a,e,i) \
811 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
813 #define bfd_coff_swap_lineno_in(a,e,i) \
814 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
816 #define bfd_coff_swap_reloc_out(abfd, i, o) \
817 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
819 #define bfd_coff_swap_lineno_out(abfd, i, o) \
820 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
822 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
823 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
825 #define bfd_coff_swap_sym_out(abfd, i,o) \
826 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
828 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \
829 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
831 #define bfd_coff_swap_filehdr_out(abfd, i,o) \
832 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
834 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \
835 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
837 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
838 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
839 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
840 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
841 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
842 #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz)
843 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
844 #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen)
845 #define bfd_coff_long_filenames(abfd) \
846 (coff_backend_info (abfd)->_bfd_coff_long_filenames)
847 #define bfd_coff_long_section_names(abfd) \
848 (coff_backend_info (abfd)->_bfd_coff_long_section_names)
849 #define bfd_coff_default_section_alignment_power(abfd) \
850 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power)
851 #define bfd_coff_swap_filehdr_in(abfd, i,o) \
852 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
854 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \
855 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
857 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \
858 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
860 #define bfd_coff_swap_reloc_in(abfd, i, o) \
861 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
863 #define bfd_coff_bad_format_hook(abfd, filehdr) \
864 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
866 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
867 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
868 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
869 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\
870 (abfd, filehdr, aouthdr))
872 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\
873 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\
874 (abfd, scnhdr, name, section, flags_ptr))
876 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
877 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
879 #define bfd_coff_slurp_symbol_table(abfd)\
880 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
882 #define bfd_coff_symname_in_debug(abfd, sym)\
883 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
885 #define bfd_coff_force_symnames_in_strings(abfd)\
886 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings)
888 #define bfd_coff_debug_string_prefix_length(abfd)\
889 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length)
891 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
892 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
893 (abfd, file, base, symbol, aux, indaux))
895 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\
896 reloc, data, src_ptr, dst_ptr)\
897 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
898 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
900 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
901 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
902 (abfd, section, reloc, shrink, link_info))
904 #define bfd_coff_classify_symbol(abfd, sym)\
905 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\
906 (abfd, sym))
908 #define bfd_coff_compute_section_file_positions(abfd)\
909 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
910 (abfd))
912 #define bfd_coff_start_final_link(obfd, info)\
913 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
914 (obfd, info))
915 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
916 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
917 (obfd, info, ibfd, o, con, rel, isyms, secs))
918 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
919 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
920 (abfd, sec, rel, h, sym, addendp))
921 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
922 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
923 (obfd, info, ibfd, sec, rel, adjustedp))
924 #define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\
925 value, string, cp, coll, hashp)\
926 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
927 (info, abfd, name, flags, section, value, string, cp, coll, hashp))
929 #define bfd_coff_link_output_has_begun(a,p) \
930 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a,p))
931 #define bfd_coff_final_link_postscript(a,p) \
932 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p))