libbfd.h revision 33965
119304Speter/* libbfd.h -- Declarations used by bfd library *implementation*.
219304Speter   (This include file is not for users of the library.)
319304Speter   Copyright 1990, 91, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
419304Speter   Written by Cygnus Support.
519304Speter
619304Speter** NOTE: libbfd.h is a GENERATED file.  Don't change it; instead,
719304Speter** change libbfd-in.h or the other BFD source files processed to
819304Speter** generate this file.
919304Speter
1019304SpeterThis file is part of BFD, the Binary File Descriptor library.
1119304Speter
1219304SpeterThis program is free software; you can redistribute it and/or modify
13254225Speterit under the terms of the GNU General Public License as published by
1419304Speterthe Free Software Foundation; either version 2 of the License, or
1519304Speter(at your option) any later version.
1619304Speter
1719304SpeterThis program is distributed in the hope that it will be useful,
18254225Speterbut WITHOUT ANY WARRANTY; without even the implied warranty of
1919304SpeterMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2019304SpeterGNU General Public License for more details.
2119304Speter
2219304SpeterYou should have received a copy of the GNU General Public License
2319304Speteralong with this program; if not, write to the Free Software
2419304SpeterFoundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
2519304Speter
2619304Speter/* Align an address upward to a boundary, expressed as a number of bytes.
2719304Speter   E.g. align to an 8-byte boundary with argument of 8.  */
2819304Speter#define BFD_ALIGN(this, boundary) \
2919304Speter  ((( (this) + ((boundary) -1)) & (~((boundary)-1))))
3019304Speter
3119304Speter/* If you want to read and write large blocks, you might want to do it
3219304Speter   in quanta of this amount */
3319304Speter#define DEFAULT_BUFFERSIZE 8192
3419304Speter
35254225Speter/* Set a tdata field.  Can't use the other macros for this, since they
3619304Speter   do casts, and casting to the left of assignment isn't portable.  */
37254225Speter#define set_tdata(bfd, v) ((bfd)->tdata.any = (PTR) (v))
3819304Speter
3919304Speter/* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
4019304Speter   to an instance of this structure.  */
4119304Speter
4219304Speterstruct bfd_in_memory
4319304Speter{
4419304Speter  /* Size of buffer.  */
4519304Speter  bfd_size_type size;
4619304Speter  /* Buffer holding contents of BFD.  */
4719304Speter  bfd_byte *buffer;
4819304Speter};
4919304Speter
5019304Speter/* tdata for an archive.  For an input archive, cache
5119304Speter   needs to be free()'d.  For an output archive, symdefs do.  */
5219304Speter
53254225Speterstruct artdata {
5419304Speter  file_ptr first_file_filepos;
55254225Speter  /* Speed up searching the armap */
5619304Speter  struct ar_cache *cache;
5719304Speter  bfd *archive_head;            /* Only interesting in output routines */
5819304Speter  carsym *symdefs;		/* the symdef entries */
5919304Speter  symindex symdef_count;             /* how many there are */
6019304Speter  char *extended_names;		/* clever intel extension */
6119304Speter  /* when more compilers are standard C, this can be a time_t */
6219304Speter  long  armap_timestamp;	/* Timestamp value written into armap.
6319304Speter				   This is used for BSD archives to check
6419304Speter				   that the timestamp is recent enough
6519304Speter				   for the BSD linker to not complain,
6619304Speter				   just before we finish writing an
6719304Speter				   archive.  */
6819304Speter  file_ptr armap_datepos;	/* Position within archive to seek to
6919304Speter				   rewrite the date field.  */
7019304Speter  PTR tdata;			/* Backend specific information.  */
7119304Speter};
7219304Speter
7319304Speter#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
7419304Speter
7519304Speter/* Goes in bfd's arelt_data slot */
76254225Speterstruct areltdata {
7719304Speter  char * arch_header;			     /* it's actually a string */
7819304Speter  unsigned int parsed_size;     /* octets of filesize not including ar_hdr */
7919304Speter  char *filename;			     /* null-terminated */
8019304Speter};
8119304Speter
8219304Speter#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
8319304Speter
8419304Speterextern PTR bfd_malloc PARAMS ((size_t));
8519304Speterextern PTR bfd_realloc PARAMS ((PTR, size_t));
8619304Speterextern PTR bfd_zmalloc PARAMS ((size_t));
87254225Speter
8819304Speterextern bfd_error_handler_type _bfd_error_handler;
8919304Speter
9019304Speter/* These routines allocate and free things on the BFD's objalloc.  */
9119304Speter
9219304Speterextern PTR bfd_alloc PARAMS ((bfd *, size_t));
9319304Speterextern PTR bfd_zalloc PARAMS ((bfd *, size_t));
94254225Speterextern void bfd_release PARAMS ((bfd *, PTR));
95254225Speter
9619304Speterbfd *	_bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
9719304Speterbfd *	_bfd_look_for_bfd_in_cache PARAMS ((bfd *arch_bfd, file_ptr index));
9819304Speterboolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd *, file_ptr, bfd *));
9919304Speterboolean	_bfd_generic_mkarchive PARAMS ((bfd *abfd));
10019304Speterconst bfd_target *bfd_generic_archive_p PARAMS ((bfd *abfd));
10119304Speterboolean	bfd_slurp_armap PARAMS ((bfd *abfd));
10219304Speterboolean bfd_slurp_bsd_armap_f2 PARAMS ((bfd *abfd));
10319304Speter#define bfd_slurp_bsd_armap bfd_slurp_armap
10419304Speter#define bfd_slurp_coff_armap bfd_slurp_armap
10519304Speterboolean	_bfd_slurp_extended_name_table PARAMS ((bfd *abfd));
10619304Speterextern boolean _bfd_construct_extended_name_table
10719304Speter  PARAMS ((bfd *, boolean, char **, bfd_size_type *));
10819304Speterboolean	_bfd_write_archive_contents PARAMS ((bfd *abfd));
10919304Speterboolean _bfd_compute_and_write_armap PARAMS ((bfd *, unsigned int elength));
11019304Speterbfd *_bfd_get_elt_at_filepos PARAMS ((bfd *archive, file_ptr filepos));
11119304Speterextern bfd *_bfd_generic_get_elt_at_index PARAMS ((bfd *, symindex));
11219304Speterbfd * _bfd_new_bfd PARAMS ((void));
11319304Speter
11419304Speterboolean	bfd_false PARAMS ((bfd *ignore));
11519304Speterboolean	bfd_true PARAMS ((bfd *ignore));
11619304SpeterPTR	bfd_nullvoidptr PARAMS ((bfd *ignore));
11719304Speterint	bfd_0 PARAMS ((bfd *ignore));
11819304Speterunsigned int	bfd_0u PARAMS ((bfd *ignore));
11919304Speterlong	bfd_0l PARAMS ((bfd *ignore));
12019304Speterlong	_bfd_n1 PARAMS ((bfd *ignore));
12119304Spetervoid	bfd_void PARAMS ((bfd *ignore));
12219304Speter
12319304Speterbfd *_bfd_new_bfd_contained_in PARAMS ((bfd *));
12419304Speterconst bfd_target *_bfd_dummy_target PARAMS ((bfd *abfd));
12519304Speter
126254225Spetervoid	bfd_dont_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
12719304Speter					char *hdr));
12819304Spetervoid	bfd_bsd_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
12919304Speter					char *hdr));
13019304Spetervoid	bfd_gnu_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
13119304Speter					char *hdr));
13219304Speter
13319304Speterboolean	bsd_write_armap PARAMS ((bfd *arch, unsigned int elength,
13419304Speter				  struct orl *map, unsigned int orl_count, int stridx));
135254225Speter
13619304Speterboolean	coff_write_armap PARAMS ((bfd *arch, unsigned int elength,
13719304Speter				   struct orl *map, unsigned int orl_count, int stridx));
13819304Speter
13919304Speterextern PTR _bfd_generic_read_ar_hdr PARAMS ((bfd *));
14019304Speter
14119304Speterextern PTR _bfd_generic_read_ar_hdr_mag PARAMS ((bfd *, const char *));
14219304Speter
14319304Speterbfd *	bfd_generic_openr_next_archived_file PARAMS ((bfd *archive,
14419304Speter						     bfd *last_file));
145254225Speter
146254225Speterint	bfd_generic_stat_arch_elt PARAMS ((bfd *, struct stat *));
14719304Speter
14819304Speter#define _bfd_read_ar_hdr(abfd) \
14919304Speter  BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
150254225Speter
15119304Speter/* Generic routines to use for BFD_JUMP_TABLE_GENERIC.  Use
15219304Speter   BFD_JUMP_TABLE_GENERIC (_bfd_generic).  */
15319304Speter
15419304Speter#define _bfd_generic_close_and_cleanup bfd_true
15519304Speter#define _bfd_generic_bfd_free_cached_info bfd_true
15619304Speter#define _bfd_generic_new_section_hook \
15719304Speter  ((boolean (*) PARAMS ((bfd *, asection *))) bfd_true)
15819304Speterextern boolean _bfd_generic_get_section_contents
15919304Speter  PARAMS ((bfd *, asection *, PTR location, file_ptr offset,
16019304Speter	   bfd_size_type count));
16119304Speterextern boolean _bfd_generic_get_section_contents_in_window
16219304Speter  PARAMS ((bfd *, asection *, bfd_window *, file_ptr, bfd_size_type));
163254225Speter
164254225Speter/* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
16519304Speter   BFD_JUMP_TABLE_COPY (_bfd_generic).  */
16619304Speter
16719304Speter#define _bfd_generic_bfd_copy_private_bfd_data \
168254225Speter  ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
16919304Speter#define _bfd_generic_bfd_merge_private_bfd_data \
17019304Speter  ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
17119304Speter#define _bfd_generic_bfd_set_private_flags \
17219304Speter  ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
17319304Speter#define _bfd_generic_bfd_copy_private_section_data \
17419304Speter  ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
17519304Speter#define _bfd_generic_bfd_copy_private_symbol_data \
17619304Speter  ((boolean (*) PARAMS ((bfd *, asymbol *, bfd *, asymbol *))) bfd_true)
177254225Speter#define _bfd_generic_bfd_print_private_bfd_data \
17819304Speter  ((boolean (*) PARAMS ((bfd *, PTR))) bfd_true)
17919304Speter
18019304Speter/* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
18119304Speter   support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
18219304Speter
18319304Speterextern char *_bfd_nocore_core_file_failing_command PARAMS ((bfd *));
184254225Speterextern int _bfd_nocore_core_file_failing_signal PARAMS ((bfd *));
18519304Speterextern boolean _bfd_nocore_core_file_matches_executable_p
18619304Speter  PARAMS ((bfd *, bfd *));
18719304Speter
18819304Speter/* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
18919304Speter   file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
19019304Speter
19119304Speter#define _bfd_noarchive_slurp_armap bfd_false
19219304Speter#define _bfd_noarchive_slurp_extended_name_table bfd_false
193#define _bfd_noarchive_construct_extended_name_table \
194  ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
195   bfd_false)
196#define _bfd_noarchive_truncate_arname \
197  ((void (*) PARAMS ((bfd *, const char *, char *))) bfd_void)
198#define _bfd_noarchive_write_armap \
199  ((boolean (*) \
200    PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
201   bfd_false)
202#define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
203#define _bfd_noarchive_openr_next_archived_file \
204  ((bfd *(*) PARAMS ((bfd *, bfd *))) bfd_nullvoidptr)
205#define _bfd_noarchive_get_elt_at_index \
206  ((bfd *(*) PARAMS ((bfd *, symindex))) bfd_nullvoidptr)
207#define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
208#define _bfd_noarchive_update_armap_timestamp bfd_false
209
210/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
211   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
212
213#define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
214#define _bfd_archive_bsd_slurp_extended_name_table \
215  _bfd_slurp_extended_name_table
216extern boolean _bfd_archive_bsd_construct_extended_name_table
217  PARAMS ((bfd *, char **, bfd_size_type *, const char **));
218#define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
219#define _bfd_archive_bsd_write_armap bsd_write_armap
220#define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
221#define _bfd_archive_bsd_openr_next_archived_file \
222  bfd_generic_openr_next_archived_file
223#define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
224#define _bfd_archive_bsd_generic_stat_arch_elt \
225  bfd_generic_stat_arch_elt
226extern boolean _bfd_archive_bsd_update_armap_timestamp PARAMS ((bfd *));
227
228/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
229   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
230
231#define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
232#define _bfd_archive_coff_slurp_extended_name_table \
233  _bfd_slurp_extended_name_table
234extern boolean _bfd_archive_coff_construct_extended_name_table
235  PARAMS ((bfd *, char **, bfd_size_type *, const char **));
236#define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
237#define _bfd_archive_coff_write_armap coff_write_armap
238#define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
239#define _bfd_archive_coff_openr_next_archived_file \
240  bfd_generic_openr_next_archived_file
241#define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
242#define _bfd_archive_coff_generic_stat_arch_elt \
243  bfd_generic_stat_arch_elt
244#define _bfd_archive_coff_update_armap_timestamp bfd_true
245
246/* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
247   support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
248
249#define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
250#define _bfd_nosymbols_get_symtab \
251  ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
252#define _bfd_nosymbols_make_empty_symbol \
253  ((asymbol *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
254#define _bfd_nosymbols_print_symbol \
255  ((void (*) PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type))) bfd_void)
256#define _bfd_nosymbols_get_symbol_info \
257  ((void (*) PARAMS ((bfd *, asymbol *, symbol_info *))) bfd_void)
258#define _bfd_nosymbols_bfd_is_local_label_name \
259  ((boolean (*) PARAMS ((bfd *, const char *))) bfd_false)
260#define _bfd_nosymbols_get_lineno \
261  ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr)
262#define _bfd_nosymbols_find_nearest_line \
263  ((boolean (*) \
264    PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, \
265	     const char **, unsigned int *))) \
266   bfd_false)
267#define _bfd_nosymbols_bfd_make_debug_symbol \
268  ((asymbol *(*) PARAMS ((bfd *, PTR, unsigned long))) bfd_nullvoidptr)
269#define _bfd_nosymbols_read_minisymbols \
270  ((long (*) PARAMS ((bfd *, boolean, PTR *, unsigned int *))) _bfd_n1)
271#define _bfd_nosymbols_minisymbol_to_symbol \
272  ((asymbol *(*) PARAMS ((bfd *, boolean, const PTR, asymbol *))) \
273   bfd_nullvoidptr)
274
275/* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
276   support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
277
278#define _bfd_norelocs_get_reloc_upper_bound \
279  ((long (*) PARAMS ((bfd *, asection *))) _bfd_n1)
280#define _bfd_norelocs_canonicalize_reloc \
281  ((long (*) PARAMS ((bfd *, asection *, arelent **, asymbol **))) _bfd_n1)
282#define _bfd_norelocs_bfd_reloc_type_lookup \
283  ((reloc_howto_type *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) \
284   bfd_nullvoidptr)
285
286/* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
287   be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
288
289#define _bfd_nowrite_set_arch_mach \
290  ((boolean (*) PARAMS ((bfd *, enum bfd_architecture, unsigned long))) \
291   bfd_false)
292#define _bfd_nowrite_set_section_contents \
293  ((boolean (*) PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type))) \
294   bfd_false)
295
296/* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
297   BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
298
299#define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
300extern boolean _bfd_generic_set_section_contents
301  PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
302
303/* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
304   support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
305
306#define _bfd_nolink_sizeof_headers ((int (*) PARAMS ((bfd *, boolean))) bfd_0)
307#define _bfd_nolink_bfd_get_relocated_section_contents \
308  ((bfd_byte *(*) \
309    PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, \
310	     bfd_byte *, boolean, asymbol **))) \
311   bfd_nullvoidptr)
312#define _bfd_nolink_bfd_relax_section \
313  ((boolean (*) \
314    PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *))) \
315   bfd_false)
316#define _bfd_nolink_bfd_link_hash_table_create \
317  ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
318#define _bfd_nolink_bfd_link_add_symbols \
319  ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
320#define _bfd_nolink_bfd_final_link \
321  ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
322#define _bfd_nolink_bfd_link_split_section \
323  ((boolean (*) PARAMS ((bfd *, struct sec *))) bfd_false)
324
325/* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
326   have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
327   (_bfd_nodynamic).  */
328
329#define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
330#define _bfd_nodynamic_canonicalize_dynamic_symtab \
331  ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
332#define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
333#define _bfd_nodynamic_canonicalize_dynamic_reloc \
334  ((long (*) PARAMS ((bfd *, arelent **, asymbol **))) _bfd_n1)
335
336/* Generic routine to determine of the given symbol is a local
337   label.  */
338extern boolean bfd_generic_is_local_label_name PARAMS ((bfd *, const char *));
339
340/* Generic minisymbol routines.  */
341extern long _bfd_generic_read_minisymbols
342  PARAMS ((bfd *, boolean, PTR *, unsigned int *));
343extern asymbol *_bfd_generic_minisymbol_to_symbol
344  PARAMS ((bfd *, boolean, const PTR, asymbol *));
345
346/* Find the nearest line using .stab/.stabstr sections.  */
347extern boolean _bfd_stab_section_find_nearest_line
348  PARAMS ((bfd *, asymbol **, asection *, bfd_vma, boolean *, const char **,
349	   const char **, unsigned int *, PTR *));
350
351/* A routine to create entries for a bfd_link_hash_table.  */
352extern struct bfd_hash_entry *_bfd_link_hash_newfunc
353  PARAMS ((struct bfd_hash_entry *entry,
354	   struct bfd_hash_table *table,
355	   const char *string));
356
357/* Initialize a bfd_link_hash_table.  */
358extern boolean _bfd_link_hash_table_init
359  PARAMS ((struct bfd_link_hash_table *, bfd *,
360	   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
361				       struct bfd_hash_table *,
362				       const char *)));
363
364/* Generic link hash table creation routine.  */
365extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
366  PARAMS ((bfd *));
367
368/* Generic add symbol routine.  */
369extern boolean _bfd_generic_link_add_symbols
370  PARAMS ((bfd *, struct bfd_link_info *));
371
372/* Generic add symbol routine.  This version is used by targets for
373   which the linker must collect constructors and destructors by name,
374   as the collect2 program does.  */
375extern boolean _bfd_generic_link_add_symbols_collect
376  PARAMS ((bfd *, struct bfd_link_info *));
377
378/* Generic archive add symbol routine.  */
379extern boolean _bfd_generic_link_add_archive_symbols
380  PARAMS ((bfd *, struct bfd_link_info *,
381	   boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *)));
382
383
384
385/* Forward declaration to avoid prototype errors.  */
386typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
387
388/* Generic routine to add a single symbol.  */
389extern boolean _bfd_generic_link_add_one_symbol
390  PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword,
391	   asection *, bfd_vma, const char *, boolean copy,
392	   boolean constructor, struct bfd_link_hash_entry **));
393
394/* Generic link routine.  */
395extern boolean _bfd_generic_final_link
396  PARAMS ((bfd *, struct bfd_link_info *));
397
398extern boolean _bfd_generic_link_split_section
399  PARAMS ((bfd *, struct sec *));
400
401/* Generic reloc_link_order processing routine.  */
402extern boolean _bfd_generic_reloc_link_order
403  PARAMS ((bfd *, struct bfd_link_info *, asection *,
404	   struct bfd_link_order *));
405
406/* Default link order processing routine.  */
407extern boolean _bfd_default_link_order
408  PARAMS ((bfd *, struct bfd_link_info *, asection *,
409	   struct bfd_link_order *));
410
411/* Count the number of reloc entries in a link order list.  */
412extern unsigned int _bfd_count_link_order_relocs
413  PARAMS ((struct bfd_link_order *));
414
415/* Final link relocation routine.  */
416extern bfd_reloc_status_type _bfd_final_link_relocate
417  PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
418	   bfd_vma address, bfd_vma value, bfd_vma addend));
419
420/* Relocate a particular location by a howto and a value.  */
421extern bfd_reloc_status_type _bfd_relocate_contents
422  PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
423
424/* Link stabs in sections in the first pass.  */
425
426extern boolean _bfd_link_section_stabs
427  PARAMS ((bfd *, PTR *, asection *, asection *, PTR *));
428
429/* Write out the .stab section when linking stabs in sections.  */
430
431extern boolean _bfd_write_section_stabs
432  PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_byte *));
433
434/* Write out the .stabstr string table when linking stabs in sections.  */
435
436extern boolean _bfd_write_stab_strings PARAMS ((bfd *, PTR *));
437
438/* Find an offset within a .stab section when linking stabs in
439   sections.  */
440
441extern bfd_vma _bfd_stab_section_offset
442  PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_vma));
443
444/* Create a string table.  */
445extern struct bfd_strtab_hash *_bfd_stringtab_init PARAMS ((void));
446
447/* Create an XCOFF .debug section style string table.  */
448extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init PARAMS ((void));
449
450/* Free a string table.  */
451extern void _bfd_stringtab_free PARAMS ((struct bfd_strtab_hash *));
452
453/* Get the size of a string table.  */
454extern bfd_size_type _bfd_stringtab_size PARAMS ((struct bfd_strtab_hash *));
455
456/* Add a string to a string table.  */
457extern bfd_size_type _bfd_stringtab_add
458  PARAMS ((struct bfd_strtab_hash *, const char *, boolean hash,
459	   boolean copy));
460
461/* Write out a string table.  */
462extern boolean _bfd_stringtab_emit PARAMS ((bfd *, struct bfd_strtab_hash *));
463
464/* Macros to tell if bfds are read or write enabled.
465
466   Note that bfds open for read may be scribbled into if the fd passed
467   to bfd_fdopenr is actually open both for read and write
468   simultaneously.  However an output bfd will never be open for
469   read.  Therefore sometimes you want to check bfd_read_p or
470   !bfd_read_p, and only sometimes bfd_write_p.
471*/
472
473#define	bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
474#define	bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
475
476void	bfd_assert PARAMS ((const char*,int));
477
478#define BFD_ASSERT(x) \
479{ if (!(x)) bfd_assert(__FILE__,__LINE__); }
480
481#define BFD_FAIL() \
482{ bfd_assert(__FILE__,__LINE__); }
483
484FILE *	bfd_cache_lookup_worker PARAMS ((bfd *));
485
486extern bfd *bfd_last_cache;
487
488/* List of supported target vectors, and the default vector (if
489   bfd_default_vector[0] is NULL, there is no default).  */
490extern const bfd_target * const bfd_target_vector[];
491extern const bfd_target *bfd_default_vector[];
492
493/* Functions shared by the ECOFF and MIPS ELF backends, which have no
494   other common header files.  */
495
496#if defined(__STDC__) || defined(ALMOST_STDC)
497struct ecoff_find_line;
498#endif
499
500extern boolean _bfd_ecoff_locate_line
501  PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
502	   const struct ecoff_debug_swap * const, struct ecoff_find_line *,
503	   const char **, const char **, unsigned int *));
504extern boolean _bfd_ecoff_get_accumulated_pdr PARAMS ((PTR, bfd_byte *));
505extern boolean _bfd_ecoff_get_accumulated_sym PARAMS ((PTR, bfd_byte *));
506extern boolean _bfd_ecoff_get_accumulated_ss PARAMS ((PTR, bfd_byte *));
507
508extern bfd_vma _bfd_get_gp_value PARAMS ((bfd *));
509extern void _bfd_set_gp_value PARAMS ((bfd *, bfd_vma));
510
511/* Function shared by the COFF and ELF SH backends, which have no
512   other common header files.  */
513
514extern boolean _bfd_sh_align_load_span
515  PARAMS ((bfd *, asection *, bfd_byte *,
516	   boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma),
517	   PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, boolean *));
518
519/* And more follows */
520
521void
522bfd_write_bigendian_4byte_int PARAMS ((bfd *abfd,  int i));
523
524unsigned int
525bfd_log2 PARAMS ((bfd_vma x));
526
527#define BFD_CACHE_MAX_OPEN 10
528extern bfd *bfd_last_cache;
529
530#define bfd_cache_lookup(x) \
531    ((x)==bfd_last_cache? \
532      (FILE*)(bfd_last_cache->iostream): \
533       bfd_cache_lookup_worker(x))
534boolean
535bfd_cache_init  PARAMS ((bfd *abfd));
536
537boolean
538bfd_cache_close  PARAMS ((bfd *abfd));
539
540FILE*
541bfd_open_file PARAMS ((bfd *abfd));
542
543FILE *
544bfd_cache_lookup_worker PARAMS ((bfd *abfd));
545
546#ifdef _BFD_MAKE_TABLE_bfd_reloc_code_real
547
548static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
549
550  "BFD_RELOC_64",
551  "BFD_RELOC_32",
552  "BFD_RELOC_26",
553  "BFD_RELOC_24",
554  "BFD_RELOC_16",
555  "BFD_RELOC_14",
556  "BFD_RELOC_8",
557  "BFD_RELOC_64_PCREL",
558  "BFD_RELOC_32_PCREL",
559  "BFD_RELOC_24_PCREL",
560  "BFD_RELOC_16_PCREL",
561  "BFD_RELOC_12_PCREL",
562  "BFD_RELOC_8_PCREL",
563  "BFD_RELOC_32_GOT_PCREL",
564  "BFD_RELOC_16_GOT_PCREL",
565  "BFD_RELOC_8_GOT_PCREL",
566  "BFD_RELOC_32_GOTOFF",
567  "BFD_RELOC_16_GOTOFF",
568  "BFD_RELOC_LO16_GOTOFF",
569  "BFD_RELOC_HI16_GOTOFF",
570  "BFD_RELOC_HI16_S_GOTOFF",
571  "BFD_RELOC_8_GOTOFF",
572  "BFD_RELOC_32_PLT_PCREL",
573  "BFD_RELOC_24_PLT_PCREL",
574  "BFD_RELOC_16_PLT_PCREL",
575  "BFD_RELOC_8_PLT_PCREL",
576  "BFD_RELOC_32_PLTOFF",
577  "BFD_RELOC_16_PLTOFF",
578  "BFD_RELOC_LO16_PLTOFF",
579  "BFD_RELOC_HI16_PLTOFF",
580  "BFD_RELOC_HI16_S_PLTOFF",
581  "BFD_RELOC_8_PLTOFF",
582  "BFD_RELOC_68K_GLOB_DAT",
583  "BFD_RELOC_68K_JMP_SLOT",
584  "BFD_RELOC_68K_RELATIVE",
585  "BFD_RELOC_32_BASEREL",
586  "BFD_RELOC_16_BASEREL",
587  "BFD_RELOC_LO16_BASEREL",
588  "BFD_RELOC_HI16_BASEREL",
589  "BFD_RELOC_HI16_S_BASEREL",
590  "BFD_RELOC_8_BASEREL",
591  "BFD_RELOC_RVA",
592  "BFD_RELOC_8_FFnn",
593  "BFD_RELOC_32_PCREL_S2",
594  "BFD_RELOC_16_PCREL_S2",
595  "BFD_RELOC_23_PCREL_S2",
596  "BFD_RELOC_HI22",
597  "BFD_RELOC_LO10",
598  "BFD_RELOC_GPREL16",
599  "BFD_RELOC_GPREL32",
600  "BFD_RELOC_I960_CALLJ",
601  "BFD_RELOC_NONE",
602  "BFD_RELOC_SPARC_WDISP22",
603  "BFD_RELOC_SPARC22",
604  "BFD_RELOC_SPARC13",
605  "BFD_RELOC_SPARC_GOT10",
606  "BFD_RELOC_SPARC_GOT13",
607  "BFD_RELOC_SPARC_GOT22",
608  "BFD_RELOC_SPARC_PC10",
609  "BFD_RELOC_SPARC_PC22",
610  "BFD_RELOC_SPARC_WPLT30",
611  "BFD_RELOC_SPARC_COPY",
612  "BFD_RELOC_SPARC_GLOB_DAT",
613  "BFD_RELOC_SPARC_JMP_SLOT",
614  "BFD_RELOC_SPARC_RELATIVE",
615  "BFD_RELOC_SPARC_UA32",
616  "BFD_RELOC_SPARC_BASE13",
617  "BFD_RELOC_SPARC_BASE22",
618  "BFD_RELOC_SPARC_10",
619  "BFD_RELOC_SPARC_11",
620  "BFD_RELOC_SPARC_OLO10",
621  "BFD_RELOC_SPARC_HH22",
622  "BFD_RELOC_SPARC_HM10",
623  "BFD_RELOC_SPARC_LM22",
624  "BFD_RELOC_SPARC_PC_HH22",
625  "BFD_RELOC_SPARC_PC_HM10",
626  "BFD_RELOC_SPARC_PC_LM22",
627  "BFD_RELOC_SPARC_WDISP16",
628  "BFD_RELOC_SPARC_WDISP19",
629  "BFD_RELOC_SPARC_GLOB_JMP",
630  "BFD_RELOC_SPARC_7",
631  "BFD_RELOC_SPARC_6",
632  "BFD_RELOC_SPARC_5",
633  "BFD_RELOC_ALPHA_GPDISP_HI16",
634  "BFD_RELOC_ALPHA_GPDISP_LO16",
635  "BFD_RELOC_ALPHA_GPDISP",
636  "BFD_RELOC_ALPHA_LITERAL",
637  "BFD_RELOC_ALPHA_ELF_LITERAL",
638  "BFD_RELOC_ALPHA_LITUSE",
639  "BFD_RELOC_ALPHA_HINT",
640  "BFD_RELOC_ALPHA_LINKAGE",
641  "BFD_RELOC_ALPHA_CODEADDR",
642  "BFD_RELOC_MIPS_JMP",
643  "BFD_RELOC_MIPS16_JMP",
644  "BFD_RELOC_MIPS16_GPREL",
645  "BFD_RELOC_HI16",
646  "BFD_RELOC_HI16_S",
647  "BFD_RELOC_LO16",
648  "BFD_RELOC_PCREL_HI16_S",
649  "BFD_RELOC_PCREL_LO16",
650  "BFD_RELOC_MIPS_LITERAL",
651  "BFD_RELOC_MIPS_GOT16",
652  "BFD_RELOC_MIPS_CALL16",
653  "BFD_RELOC_MIPS_GOT_HI16",
654  "BFD_RELOC_MIPS_GOT_LO16",
655  "BFD_RELOC_MIPS_CALL_HI16",
656  "BFD_RELOC_MIPS_CALL_LO16",
657  "BFD_RELOC_386_GOT32",
658  "BFD_RELOC_386_PLT32",
659  "BFD_RELOC_386_COPY",
660  "BFD_RELOC_386_GLOB_DAT",
661  "BFD_RELOC_386_JUMP_SLOT",
662  "BFD_RELOC_386_RELATIVE",
663  "BFD_RELOC_386_GOTOFF",
664  "BFD_RELOC_386_GOTPC",
665  "BFD_RELOC_NS32K_IMM_8",
666  "BFD_RELOC_NS32K_IMM_16",
667  "BFD_RELOC_NS32K_IMM_32",
668  "BFD_RELOC_NS32K_IMM_8_PCREL",
669  "BFD_RELOC_NS32K_IMM_16_PCREL",
670  "BFD_RELOC_NS32K_IMM_32_PCREL",
671  "BFD_RELOC_NS32K_DISP_8",
672  "BFD_RELOC_NS32K_DISP_16",
673  "BFD_RELOC_NS32K_DISP_32",
674  "BFD_RELOC_NS32K_DISP_8_PCREL",
675  "BFD_RELOC_NS32K_DISP_16_PCREL",
676  "BFD_RELOC_NS32K_DISP_32_PCREL",
677  "BFD_RELOC_PPC_B26",
678  "BFD_RELOC_PPC_BA26",
679  "BFD_RELOC_PPC_TOC16",
680  "BFD_RELOC_PPC_B16",
681  "BFD_RELOC_PPC_B16_BRTAKEN",
682  "BFD_RELOC_PPC_B16_BRNTAKEN",
683  "BFD_RELOC_PPC_BA16",
684  "BFD_RELOC_PPC_BA16_BRTAKEN",
685  "BFD_RELOC_PPC_BA16_BRNTAKEN",
686  "BFD_RELOC_PPC_COPY",
687  "BFD_RELOC_PPC_GLOB_DAT",
688  "BFD_RELOC_PPC_JMP_SLOT",
689  "BFD_RELOC_PPC_RELATIVE",
690  "BFD_RELOC_PPC_LOCAL24PC",
691  "BFD_RELOC_PPC_EMB_NADDR32",
692  "BFD_RELOC_PPC_EMB_NADDR16",
693  "BFD_RELOC_PPC_EMB_NADDR16_LO",
694  "BFD_RELOC_PPC_EMB_NADDR16_HI",
695  "BFD_RELOC_PPC_EMB_NADDR16_HA",
696  "BFD_RELOC_PPC_EMB_SDAI16",
697  "BFD_RELOC_PPC_EMB_SDA2I16",
698  "BFD_RELOC_PPC_EMB_SDA2REL",
699  "BFD_RELOC_PPC_EMB_SDA21",
700  "BFD_RELOC_PPC_EMB_MRKREF",
701  "BFD_RELOC_PPC_EMB_RELSEC16",
702  "BFD_RELOC_PPC_EMB_RELST_LO",
703  "BFD_RELOC_PPC_EMB_RELST_HI",
704  "BFD_RELOC_PPC_EMB_RELST_HA",
705  "BFD_RELOC_PPC_EMB_BIT_FLD",
706  "BFD_RELOC_PPC_EMB_RELSDA",
707  "BFD_RELOC_CTOR",
708  "BFD_RELOC_ARM_PCREL_BRANCH",
709  "BFD_RELOC_ARM_IMMEDIATE",
710  "BFD_RELOC_ARM_OFFSET_IMM",
711  "BFD_RELOC_ARM_SHIFT_IMM",
712  "BFD_RELOC_ARM_SWI",
713  "BFD_RELOC_ARM_MULTI",
714  "BFD_RELOC_ARM_CP_OFF_IMM",
715  "BFD_RELOC_ARM_ADR_IMM",
716  "BFD_RELOC_ARM_LDR_IMM",
717  "BFD_RELOC_ARM_LITERAL",
718  "BFD_RELOC_ARM_IN_POOL",
719  "BFD_RELOC_ARM_OFFSET_IMM8",
720  "BFD_RELOC_ARM_HWLITERAL",
721  "BFD_RELOC_ARM_THUMB_ADD",
722  "BFD_RELOC_ARM_THUMB_IMM",
723  "BFD_RELOC_ARM_THUMB_SHIFT",
724  "BFD_RELOC_ARM_THUMB_OFFSET",
725  "BFD_RELOC_SH_PCDISP8BY2",
726  "BFD_RELOC_SH_PCDISP12BY2",
727  "BFD_RELOC_SH_IMM4",
728  "BFD_RELOC_SH_IMM4BY2",
729  "BFD_RELOC_SH_IMM4BY4",
730  "BFD_RELOC_SH_IMM8",
731  "BFD_RELOC_SH_IMM8BY2",
732  "BFD_RELOC_SH_IMM8BY4",
733  "BFD_RELOC_SH_PCRELIMM8BY2",
734  "BFD_RELOC_SH_PCRELIMM8BY4",
735  "BFD_RELOC_SH_SWITCH16",
736  "BFD_RELOC_SH_SWITCH32",
737  "BFD_RELOC_SH_USES",
738  "BFD_RELOC_SH_COUNT",
739  "BFD_RELOC_SH_ALIGN",
740  "BFD_RELOC_SH_CODE",
741  "BFD_RELOC_SH_DATA",
742  "BFD_RELOC_SH_LABEL",
743
744  "BFD_RELOC_D10V_10_PCREL_R",
745  "BFD_RELOC_D10V_10_PCREL_L",
746  "BFD_RELOC_D10V_18",
747  "BFD_RELOC_D10V_18_PCREL",
748
749
750  "BFD_RELOC_M32R_24",
751  "BFD_RELOC_M32R_10_PCREL",
752  "BFD_RELOC_M32R_18_PCREL",
753  "BFD_RELOC_M32R_26_PCREL",
754  "BFD_RELOC_M32R_HI16_ULO",
755  "BFD_RELOC_M32R_HI16_SLO",
756  "BFD_RELOC_M32R_LO16",
757  "BFD_RELOC_M32R_SDA16",
758
759  "BFD_RELOC_MN10300_32_PCREL",
760  "BFD_RELOC_MN10300_16_PCREL",
761 "@@overflow: BFD_RELOC_UNUSED@@",
762};
763#endif
764
765reloc_howto_type *
766bfd_default_reloc_type_lookup
767 PARAMS ((bfd *abfd, bfd_reloc_code_real_type  code));
768
769boolean
770bfd_generic_relax_section
771 PARAMS ((bfd *abfd,
772    asection *section,
773    struct bfd_link_info *,
774    boolean *));
775
776bfd_byte *
777
778bfd_generic_get_relocated_section_contents  PARAMS ((bfd *abfd,
779    struct bfd_link_info *link_info,
780    struct bfd_link_order *link_order,
781    bfd_byte *data,
782    boolean relocateable,
783    asymbol **symbols));
784
785extern const bfd_arch_info_type bfd_default_arch_struct;
786boolean
787bfd_default_set_arch_mach PARAMS ((bfd *abfd,
788    enum bfd_architecture arch,
789    unsigned long mach));
790
791const bfd_arch_info_type *
792bfd_default_compatible
793 PARAMS ((const bfd_arch_info_type *a,
794    const bfd_arch_info_type *b));
795
796boolean
797bfd_default_scan PARAMS ((const struct bfd_arch_info *info, const char *string));
798
799struct elf_internal_shdr *
800bfd_elf_find_section  PARAMS ((bfd *abfd, char *name));
801
802