1 /* BFD back-end data structures for ELF files.
2 Copyright (C) 1992, 1993 Free Software Foundation, Inc.
3 Written by Cygnus Support.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
24 #include "elf/common.h"
25 #include "elf/internal.h"
26 #include "elf/external.h"
29 /* If size isn't specified as 64 or 32, NAME macro should fail. */
32 #define NAME(x,y) CAT4(x,64,_,y)
35 #define NAME(x,y) CAT4(x,32,_,y)
40 #define NAME(x,y) CAT4(x,NOSIZE,_,y)
43 #define ElfNAME(X) NAME(Elf,X)
44 #define elfNAME(X) NAME(elf,X)
46 /* Information held for an ELF symbol. The first field is the
47 corresponding asymbol. Every symbol is an ELF file is actually a
48 pointer to this structure, although it is often handled as a
49 pointer to an asymbol. */
55 /* ELF symbol information. */
56 Elf_Internal_Sym internal_elf_sym
;
57 /* Backend specific information. */
60 unsigned int hppa_arg_reloc
;
67 /* ELF linker hash table entries. */
69 struct elf_link_hash_entry
71 struct bfd_link_hash_entry root
;
73 /* Symbol index in output file. This is initialized to -1. It is
74 set to -2 if the symbol is used by a reloc. */
80 /* Symbol index as a dynamic symbol. Initialized to -1, and remains
81 -1 if this is not a dynamic symbol. */
84 /* String table index in .dynstr if this is a dynamic symbol. */
85 unsigned long dynstr_index
;
87 /* If this is a weak defined symbol from a dynamic object, this
88 field points to a defined symbol with the same value, if there is
89 one. Otherwise it is NULL. */
90 struct elf_link_hash_entry
*weakdef
;
92 /* If we need to generate a COPY reloc, the processor specific
93 backend uses this to hold the offset into the reloc section. */
96 /* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */
99 /* Some flags; legal values follow. */
100 unsigned char elf_link_hash_flags
;
101 /* Symbol is referenced by a non-shared object. */
102 #define ELF_LINK_HASH_REF_REGULAR 01
103 /* Symbol is defined by a non-shared object. */
104 #define ELF_LINK_HASH_DEF_REGULAR 02
105 /* Symbol is referenced by a shared object. */
106 #define ELF_LINK_HASH_REF_DYNAMIC 04
107 /* Symbol is defined by a shared object. */
108 #define ELF_LINK_HASH_DEF_DYNAMIC 010
109 /* Symbol is referenced by two or more shared objects. */
110 #define ELF_LINK_HASH_REF_DYNAMIC_MULTIPLE 020
111 /* Symbol is defined by two or more shared objects. */
112 #define ELF_LINK_HASH_DEF_DYNAMIC_MULTIPLE 040
113 /* Dynamic symbol has been adjustd. */
114 #define ELF_LINK_HASH_DYNAMIC_ADJUSTED 0100
115 /* Symbol is defined as weak. */
116 #define ELF_LINK_HASH_DEFINED_WEAK 0200
119 /* ELF linker hash table. */
121 struct elf_link_hash_table
123 struct bfd_link_hash_table root
;
124 /* The first dynamic object found during a link. We create several
125 special input sections when linking against dynamic objects, and
126 we simply attach them to the first one found. */
128 /* The number of symbols found in the link which must be put into
129 the .dynsym section. */
131 /* The string table of dynamic symbols, which becomes the .dynstr
133 struct strtab
*dynstr
;
134 /* The number of buckets in the hash table in the .hash section.
135 This is based on the number of dynamic symbols. */
139 /* Look up an entry in an ELF linker hash table. */
141 #define elf_link_hash_lookup(table, string, create, copy, follow) \
142 ((struct elf_link_hash_entry *) \
143 bfd_link_hash_lookup (&(table)->root, (string), (create), \
146 /* Traverse an ELF linker hash table. */
148 #define elf_link_hash_traverse(table, func, info) \
149 (bfd_link_hash_traverse \
151 (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
154 /* Get the ELF linker hash table from a link_info structure. */
156 #define elf_hash_table(p) ((struct elf_link_hash_table *) ((p)->hash))
158 /* Constant information held for an ELF backend. */
160 struct elf_backend_data
162 /* Whether the backend uses REL or RELA relocations. FIXME: some
163 ELF backends use both. When we need to support one, this whole
164 approach will need to be changed. */
167 /* Whether this backend is 64 bits or not. FIXME: Who cares? */
170 /* The architecture for this backend. */
171 enum bfd_architecture arch
;
173 /* The ELF machine code (EM_xxxx) for this backend. */
174 int elf_machine_code
;
176 /* The maximum page size for this backend. */
179 /* This is true if the linker should act like collect and gather
180 global constructors and destructors by name. This is true for
181 MIPS ELF because the Irix 5 tools can not handle the .init
185 /* A function to translate an ELF RELA relocation to a BFD arelent
187 void (*elf_info_to_howto
) PARAMS ((bfd
*, arelent
*,
188 Elf_Internal_Rela
*));
190 /* A function to translate an ELF REL relocation to a BFD arelent
192 void (*elf_info_to_howto_rel
) PARAMS ((bfd
*, arelent
*,
193 Elf_Internal_Rel
*));
195 /* A function to determine whether a symbol is global when
196 partitioning the symbol table into local and global symbols.
197 This should be NULL for most targets, in which case the correct
198 thing will be done. MIPS ELF, at least on the Irix 5, has
199 special requirements. */
200 boolean (*elf_backend_sym_is_global
) PARAMS ((bfd
*, asymbol
*));
202 /* The remaining functions are hooks which are called only if they
205 /* A function to permit a backend specific check on whether a
206 particular BFD format is relevant for an object file, and to
207 permit the backend to set any global information it wishes. When
208 this is called elf_elfheader is set, but anything else should be
209 used with caution. If this returns false, the check_format
210 routine will return a bfd_error_wrong_format error. */
211 boolean (*elf_backend_object_p
) PARAMS ((bfd
*));
213 /* A function to do additional symbol processing when reading the
214 ELF symbol table. This is where any processor-specific special
215 section indices are handled. */
216 void (*elf_backend_symbol_processing
) PARAMS ((bfd
*, asymbol
*));
218 /* A function to do additional symbol processing after reading the
219 entire ELF symbol table. */
220 boolean (*elf_backend_symbol_table_processing
) PARAMS ((bfd
*,
224 /* A function to do additional processing on the ELF section header
225 just before writing it out. This is used to set the flags and
226 type fields for some sections, or to actually write out data for
228 boolean (*elf_backend_section_processing
) PARAMS ((bfd
*,
229 Elf32_Internal_Shdr
*));
231 /* A function to handle unusual section types when creating BFD
232 sections from ELF sections. */
233 boolean (*elf_backend_section_from_shdr
) PARAMS ((bfd
*,
234 Elf32_Internal_Shdr
*,
237 /* A function to set up the ELF section header for a BFD section in
238 preparation for writing it out. This is where the flags and type
239 fields are set for unusual sections. */
240 boolean (*elf_backend_fake_sections
) PARAMS ((bfd
*, Elf32_Internal_Shdr
*,
243 /* A function to get the ELF section index for a BFD section. If
244 this returns true, the section was found. If it is a normal ELF
245 section, *RETVAL should be left unchanged. If it is not a normal
246 ELF section *RETVAL should be set to the SHN_xxxx index. */
247 boolean (*elf_backend_section_from_bfd_section
)
248 PARAMS ((bfd
*, Elf32_Internal_Shdr
*, asection
*, int *retval
));
250 /* If this field is not NULL, it is called by the add_symbols phase
251 of a link just before adding a symbol to the global linker hash
252 table. It may modify any of the fields as it wishes. If *NAME
253 is set to NULL, the symbol will be skipped rather than being
254 added to the hash table. This function is responsible for
255 handling all processor dependent symbol bindings and section
256 indices, and must set at least *FLAGS and *SEC for each processor
257 dependent case; failure to do so will cause a link error. */
258 boolean (*elf_add_symbol_hook
)
259 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
,
260 const Elf_Internal_Sym
*, const char **name
,
261 flagword
*flags
, asection
**sec
, bfd_vma
*value
));
263 /* If this field is not NULL, it is called by the elf_link_output_sym
264 phase of a link for each symbol which will appear in the object file. */
265 boolean (*elf_backend_link_output_symbol_hook
)
266 PARAMS ((bfd
*, struct bfd_link_info
*info
, const char *,
267 Elf_Internal_Sym
*, asection
*));
269 /* The CREATE_DYNAMIC_SECTIONS function is called by the ELF backend
270 linker the first time it encounters a dynamic object in the link.
271 This function must create any sections required for dynamic
272 linking. The ABFD argument is a dynamic object. The .interp,
273 .dynamic, .dynsym, .dynstr, and .hash functions have already been
274 created, and this function may modify the section flags if
275 desired. This function will normally create the .got and .plt
276 sections, but different backends have different requirements. */
277 boolean (*elf_backend_create_dynamic_sections
)
278 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
));
280 /* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend
281 linker for every symbol which is defined by a dynamic object and
282 referenced by a regular object. This is called after all the
283 input files have been seen, but before the SIZE_DYNAMIC_SECTIONS
284 function has been called. The hash table entry should be
285 bfd_link_hash_defined, and it should be defined in a section from
286 a dynamic object. Dynamic object sections are not included in
287 the final link, and this function is responsible for changing the
288 value to something which the rest of the link can deal with.
289 This will normally involve adding an entry to the .plt or .got or
290 some such section, and setting the symbol to point to that. */
291 boolean (*elf_backend_adjust_dynamic_symbol
)
292 PARAMS ((struct bfd_link_info
*info
, struct elf_link_hash_entry
*h
));
294 /* The SIZE_DYNAMIC_SECTIONS function is called by the ELF backend
295 linker after all the linker input files have been seen but before
296 the sections sizes have been set. This is called after
297 ADJUST_DYNAMIC_SYMBOL has been called on all appropriate symbols.
298 It is only called when linking against a dynamic object. It must
299 set the sizes of the dynamic sections, and may fill in their
300 contents as well. The generic ELF linker can handle the .dynsym,
301 .dynstr and .hash sections. This function must handle the
302 .interp section and any sections created by the
303 CREATE_DYNAMIC_SECTIONS entry point. */
304 boolean (*elf_backend_size_dynamic_sections
)
305 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
));
307 /* The RELOCATE_SECTION function is called by the ELF backend linker
308 to handle the relocations for a section.
310 The relocs are always passed as Rela structures; if the section
311 actually uses Rel structures, the r_addend field will always be
314 This function is responsible for adjust the section contents as
315 necessary, and (if using Rela relocs and generating a
316 relocateable output file) adjusting the reloc addend as
319 This function does not have to worry about setting the reloc
320 address or the reloc symbol index.
322 LOCAL_SYMS is a pointer to the swapped in local symbols.
324 LOCAL_SECTIONS is an array giving the section in the input file
325 corresponding to the st_shndx field of each local symbol.
327 The global hash table entry for the global symbols can be found
328 via elf_sym_hashes (input_bfd).
330 When generating relocateable output, this function must handle
331 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
332 going to be the section symbol corresponding to the output
333 section, which means that the addend must be adjusted
335 boolean (*elf_backend_relocate_section
)
336 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
,
337 bfd
*input_bfd
, asection
*input_section
, bfd_byte
*contents
,
338 Elf_Internal_Rela
*relocs
, Elf_Internal_Sym
*local_syms
,
339 asection
**local_sections
, char *output_names
));
341 /* The FINISH_DYNAMIC_SYMBOL function is called by the ELF backend
342 linker just before it writes a symbol out to the .dynsym section.
343 The processor backend may make any required adjustment to the
344 symbol. It may also take the opportunity to set contents of the
345 dynamic sections. Note that FINISH_DYNAMIC_SYMBOL is called on
346 all .dynsym symbols, while ADJUST_DYNAMIC_SYMBOL is only called
347 on those symbols which are defined by a dynamic object. */
348 boolean (*elf_backend_finish_dynamic_symbol
)
349 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
,
350 struct elf_link_hash_entry
*h
, Elf_Internal_Sym
*sym
));
352 /* The FINISH_DYNAMIC_SECTIONS function is called by the ELF backend
353 linker just before it writes all the dynamic sections out to the
354 output file. The FINISH_DYNAMIC_SYMBOL will have been called on
355 all dynamic symbols. */
356 boolean (*elf_backend_finish_dynamic_sections
)
357 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
));
359 /* A function to do any beginning processing needed for the ELF file
360 before building the ELF headers and computing file positions. */
361 void (*elf_backend_begin_write_processing
)
362 PARAMS ((bfd
*, struct bfd_link_info
*));
364 /* A function to do any final processing needed for the ELF file
365 before writing it out. */
366 void (*elf_backend_final_write_processing
)
367 PARAMS ((bfd
*, struct bfd_link_info
*));
369 /* The swapping table to use when dealing with ECOFF information.
370 Used for the MIPS ELF .mdebug section. */
371 const struct ecoff_debug_swap
*elf_backend_ecoff_debug_swap
;
376 int elf_sym_num
; /* sym# after locals/globals are reordered */
379 typedef struct elf_sym_extra Elf_Sym_Extra
;
381 /* Information stored for each BFD section in an ELF file. This
382 structure is allocated by elf_new_section_hook. */
384 struct bfd_elf_section_data
{
385 /* The ELF header for this section. */
386 Elf_Internal_Shdr this_hdr
;
387 /* The ELF header for the reloc section associated with this
389 Elf_Internal_Shdr rel_hdr
;
390 /* The ELF section number of this section. Only used for an output
393 /* The ELF section number of the reloc section associated with this
394 section, if any. Only used for an output file. */
396 /* Used by the backend linker to store the symbol hash table entries
397 associated with relocs against global symbols. */
398 struct elf_link_hash_entry
**rel_hashes
;
399 /* A pointer to the unswapped external relocs; this may be NULL. */
403 #define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd)
405 #define get_elf_backend_data(abfd) \
406 ((struct elf_backend_data *) (abfd)->xvec->backend_data)
415 /* Some private data is stashed away for future use using the tdata pointer
416 in the bfd structure. */
420 Elf_Internal_Ehdr elf_header
[1]; /* Actual data, but ref like ptr */
421 Elf_Internal_Shdr
**elf_sect_ptr
;
422 Elf_Internal_Phdr
*phdr
;
423 struct strtab
*strtab_ptr
;
426 Elf_Sym_Extra
*sym_extra
;
427 asymbol
**section_syms
; /* STT_SECTION symbols for each section */
428 int num_section_syms
; /* number of section_syms allocated */
429 Elf_Internal_Shdr symtab_hdr
;
430 Elf_Internal_Shdr shstrtab_hdr
;
431 Elf_Internal_Shdr strtab_hdr
;
432 Elf_Internal_Shdr dynsymtab_hdr
;
433 Elf_Internal_Shdr dynstrtab_hdr
;
434 int symtab_section
, shstrtab_section
, strtab_section
, dynsymtab_section
;
435 file_ptr next_file_pos
;
436 void *prstatus
; /* The raw /proc prstatus structure */
437 void *prpsinfo
; /* The raw /proc prpsinfo structure */
438 bfd_vma gp
; /* The gp value (MIPS only, for now) */
439 int gp_size
; /* The gp size (MIPS only, for now) */
441 /* A mapping from external symbols to entries in the linker hash
442 table, used when linking. This is indexed by the symbol index
443 minus the sh_info field of the symbol table header. */
444 struct elf_link_hash_entry
**sym_hashes
;
446 /* The linker ELF emulation code needs to let the backend ELF linker
447 know what filename should be used for a dynamic object if the
448 dynamic object is found using a search. This field is used to
449 hold that information. */
450 const char *dt_needed_name
;
452 /* Irix 5 often screws up the symbol table, sorting local symbols
453 after global symbols. This flag is set if the symbol table in
454 this BFD appears to be screwed up. If it is, we ignore the
455 sh_info field in the symbol table header, and always read all the
460 #define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data)
461 #define elf_elfheader(bfd) (elf_tdata(bfd) -> elf_header)
462 #define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr)
463 #define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr)
464 #define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section)
465 #define elf_dynsymtab(bfd) (elf_tdata(bfd) -> dynsymtab_section)
466 #define elf_num_locals(bfd) (elf_tdata(bfd) -> num_locals)
467 #define elf_num_globals(bfd) (elf_tdata(bfd) -> num_globals)
468 #define elf_sym_extra(bfd) (elf_tdata(bfd) -> sym_extra)
469 #define elf_section_syms(bfd) (elf_tdata(bfd) -> section_syms)
470 #define elf_num_section_syms(bfd) (elf_tdata(bfd) -> num_section_syms)
471 #define core_prpsinfo(bfd) (elf_tdata(bfd) -> prpsinfo)
472 #define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus)
473 #define elf_gp(bfd) (elf_tdata(bfd) -> gp)
474 #define elf_gp_size(bfd) (elf_tdata(bfd) -> gp_size)
475 #define elf_sym_hashes(bfd) (elf_tdata(bfd) -> sym_hashes)
476 #define elf_dt_needed_name(bfd) (elf_tdata(bfd) -> dt_needed_name)
477 #define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab)
479 extern char * elf_string_from_elf_section
PARAMS ((bfd
*, unsigned, unsigned));
480 extern char * elf_get_str_section
PARAMS ((bfd
*, unsigned));
482 #define bfd_elf32_mkobject bfd_elf_mkobject
483 #define bfd_elf64_mkobject bfd_elf_mkobject
484 #define elf_mkobject bfd_elf_mkobject
486 extern unsigned long bfd_elf_hash
PARAMS ((CONST
unsigned char *));
488 extern bfd_reloc_status_type bfd_elf_generic_reloc
PARAMS ((bfd
*,
495 extern boolean bfd_elf_mkobject
PARAMS ((bfd
*));
496 extern Elf_Internal_Shdr
*bfd_elf_find_section
PARAMS ((bfd
*, char *));
497 extern boolean _bfd_elf_make_section_from_shdr
498 PARAMS ((bfd
*abfd
, Elf_Internal_Shdr
*hdr
, const char *name
));
499 extern struct bfd_hash_entry
*_bfd_elf_link_hash_newfunc
500 PARAMS ((struct bfd_hash_entry
*, struct bfd_hash_table
*, const char *));
501 extern struct bfd_link_hash_table
*_bfd_elf_link_hash_table_create
503 extern boolean _bfd_elf_link_hash_table_init
504 PARAMS ((struct elf_link_hash_table
*, bfd
*,
505 struct bfd_hash_entry
*(*) (struct bfd_hash_entry
*,
506 struct bfd_hash_table
*,
509 extern boolean bfd_elf32_write_object_contents
PARAMS ((bfd
*));
510 extern boolean bfd_elf64_write_object_contents
PARAMS ((bfd
*));
512 extern const bfd_target
*bfd_elf32_object_p
PARAMS ((bfd
*));
513 extern const bfd_target
*bfd_elf32_core_file_p
PARAMS ((bfd
*));
514 extern char *bfd_elf32_core_file_failing_command
PARAMS ((bfd
*));
515 extern int bfd_elf32_core_file_failing_signal
PARAMS ((bfd
*));
516 extern boolean bfd_elf32_core_file_matches_executable_p
PARAMS ((bfd
*,
518 extern boolean bfd_elf32_set_section_contents
PARAMS ((bfd
*, sec_ptr
, PTR
,
522 extern long bfd_elf32_get_symtab_upper_bound
PARAMS ((bfd
*));
523 extern long bfd_elf32_get_symtab
PARAMS ((bfd
*, asymbol
**));
524 extern long bfd_elf32_get_dynamic_symtab_upper_bound
PARAMS ((bfd
*));
525 extern long bfd_elf32_canonicalize_dynamic_symtab
PARAMS ((bfd
*, asymbol
**));
526 extern long bfd_elf32_get_reloc_upper_bound
PARAMS ((bfd
*, sec_ptr
));
527 extern long bfd_elf32_canonicalize_reloc
PARAMS ((bfd
*, sec_ptr
,
528 arelent
**, asymbol
**));
529 extern asymbol
*bfd_elf32_make_empty_symbol
PARAMS ((bfd
*));
530 extern void bfd_elf32_print_symbol
PARAMS ((bfd
*, PTR
, asymbol
*,
531 bfd_print_symbol_type
));
532 extern void bfd_elf32_get_symbol_info
PARAMS ((bfd
*, asymbol
*,
534 extern alent
*bfd_elf32_get_lineno
PARAMS ((bfd
*, asymbol
*));
535 extern boolean bfd_elf32_set_arch_mach
PARAMS ((bfd
*, enum bfd_architecture
,
537 extern boolean bfd_elf32_find_nearest_line
PARAMS ((bfd
*, asection
*,
539 bfd_vma
, CONST
char **,
542 extern int bfd_elf32_sizeof_headers
PARAMS ((bfd
*, boolean
));
543 extern void bfd_elf32__write_relocs
PARAMS ((bfd
*, asection
*, PTR
));
544 extern boolean bfd_elf32_new_section_hook
PARAMS ((bfd
*, asection
*));
545 extern boolean bfd_elf32_bfd_link_add_symbols
546 PARAMS ((bfd
*, struct bfd_link_info
*));
547 extern boolean bfd_elf32_bfd_final_link
548 PARAMS ((bfd
*, struct bfd_link_info
*));
550 extern void bfd_elf32_swap_symbol_in
551 PARAMS ((bfd
*, Elf32_External_Sym
*, Elf_Internal_Sym
*));
552 extern void bfd_elf32_swap_symbol_out
553 PARAMS ((bfd
*, Elf_Internal_Sym
*, Elf32_External_Sym
*));
554 extern void bfd_elf32_swap_reloc_in
555 PARAMS ((bfd
*, Elf32_External_Rel
*, Elf_Internal_Rel
*));
556 extern void bfd_elf32_swap_reloc_out
557 PARAMS ((bfd
*, Elf_Internal_Rel
*, Elf32_External_Rel
*));
558 extern void bfd_elf32_swap_reloca_in
559 PARAMS ((bfd
*, Elf32_External_Rela
*, Elf_Internal_Rela
*));
560 extern void bfd_elf32_swap_reloca_out
561 PARAMS ((bfd
*, Elf_Internal_Rela
*, Elf32_External_Rela
*));
562 extern void bfd_elf32_swap_dyn_in
563 PARAMS ((bfd
*, const Elf32_External_Dyn
*, Elf_Internal_Dyn
*));
564 extern void bfd_elf32_swap_dyn_out
565 PARAMS ((bfd
*, const Elf_Internal_Dyn
*, Elf32_External_Dyn
*));
566 extern boolean bfd_elf32_add_dynamic_entry
567 PARAMS ((struct bfd_link_info
*, bfd_vma
, bfd_vma
));
569 /* If the target doesn't have reloc handling written yet: */
570 extern void bfd_elf32_no_info_to_howto
PARAMS ((bfd
*, arelent
*,
571 Elf32_Internal_Rela
*));
573 extern const bfd_target
*bfd_elf64_object_p
PARAMS ((bfd
*));
574 extern const bfd_target
*bfd_elf64_core_file_p
PARAMS ((bfd
*));
575 extern char *bfd_elf64_core_file_failing_command
PARAMS ((bfd
*));
576 extern int bfd_elf64_core_file_failing_signal
PARAMS ((bfd
*));
577 extern boolean bfd_elf64_core_file_matches_executable_p
PARAMS ((bfd
*,
579 extern boolean bfd_elf64_set_section_contents
PARAMS ((bfd
*, sec_ptr
, PTR
,
583 extern long bfd_elf64_get_symtab_upper_bound
PARAMS ((bfd
*));
584 extern long bfd_elf64_get_symtab
PARAMS ((bfd
*, asymbol
**));
585 extern long bfd_elf64_get_dynamic_symtab_upper_bound
PARAMS ((bfd
*));
586 extern long bfd_elf64_canonicalize_dynamic_symtab
PARAMS ((bfd
*, asymbol
**));
587 extern long bfd_elf64_get_reloc_upper_bound
PARAMS ((bfd
*, sec_ptr
));
588 extern long bfd_elf64_canonicalize_reloc
PARAMS ((bfd
*, sec_ptr
,
589 arelent
**, asymbol
**));
590 extern asymbol
*bfd_elf64_make_empty_symbol
PARAMS ((bfd
*));
591 extern void bfd_elf64_print_symbol
PARAMS ((bfd
*, PTR
, asymbol
*,
592 bfd_print_symbol_type
));
593 extern void bfd_elf64_get_symbol_info
PARAMS ((bfd
*, asymbol
*,
595 extern alent
*bfd_elf64_get_lineno
PARAMS ((bfd
*, asymbol
*));
596 extern boolean bfd_elf64_set_arch_mach
PARAMS ((bfd
*, enum bfd_architecture
,
598 extern boolean bfd_elf64_find_nearest_line
PARAMS ((bfd
*, asection
*,
600 bfd_vma
, CONST
char **,
603 extern int bfd_elf64_sizeof_headers
PARAMS ((bfd
*, boolean
));
604 extern void bfd_elf64__write_relocs
PARAMS ((bfd
*, asection
*, PTR
));
605 extern boolean bfd_elf64_new_section_hook
PARAMS ((bfd
*, asection
*));
606 extern boolean bfd_elf64_bfd_link_add_symbols
607 PARAMS ((bfd
*, struct bfd_link_info
*));
608 extern boolean bfd_elf64_bfd_final_link
609 PARAMS ((bfd
*, struct bfd_link_info
*));
611 extern void bfd_elf64_swap_symbol_in
612 PARAMS ((bfd
*, Elf64_External_Sym
*, Elf_Internal_Sym
*));
613 extern void bfd_elf64_swap_symbol_out
614 PARAMS ((bfd
*, Elf_Internal_Sym
*, Elf64_External_Sym
*));
615 extern void bfd_elf64_swap_reloc_in
616 PARAMS ((bfd
*, Elf64_External_Rel
*, Elf_Internal_Rel
*));
617 extern void bfd_elf64_swap_reloc_out
618 PARAMS ((bfd
*, Elf_Internal_Rel
*, Elf64_External_Rel
*));
619 extern void bfd_elf64_swap_reloca_in
620 PARAMS ((bfd
*, Elf64_External_Rela
*, Elf_Internal_Rela
*));
621 extern void bfd_elf64_swap_reloca_out
622 PARAMS ((bfd
*, Elf_Internal_Rela
*, Elf64_External_Rela
*));
623 extern void bfd_elf64_swap_dyn_in
624 PARAMS ((bfd
*, const Elf64_External_Dyn
*, Elf_Internal_Dyn
*));
625 extern void bfd_elf64_swap_dyn_out
626 PARAMS ((bfd
*, const Elf_Internal_Dyn
*, Elf64_External_Dyn
*));
627 extern boolean bfd_elf64_add_dynamic_entry
628 PARAMS ((struct bfd_link_info
*, bfd_vma
, bfd_vma
));
630 /* If the target doesn't have reloc handling written yet: */
631 extern void bfd_elf64_no_info_to_howto
PARAMS ((bfd
*, arelent
*,
632 Elf64_Internal_Rela
*));
634 #endif /* _LIBELF_H_ */