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 this symbol requires an entry in the global offset table, the
93 processor specific backend uses this field to hold the offset
94 into the .got section. If this field is -1, then the symbol does
95 not require a global offset table entry. */
98 /* If this symbol requires an entry in the procedure linkage table,
99 the processor specific backend uses these two fields to hold the
100 offset into the procedure linkage section and the offset into the
101 .got section. If plt_offset is -1, then the symbol does not
102 require an entry in the procedure linkage table. */
105 /* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */
108 /* Some flags; legal values follow. */
109 unsigned char elf_link_hash_flags
;
110 /* Symbol is referenced by a non-shared object. */
111 #define ELF_LINK_HASH_REF_REGULAR 01
112 /* Symbol is defined by a non-shared object. */
113 #define ELF_LINK_HASH_DEF_REGULAR 02
114 /* Symbol is referenced by a shared object. */
115 #define ELF_LINK_HASH_REF_DYNAMIC 04
116 /* Symbol is defined by a shared object. */
117 #define ELF_LINK_HASH_DEF_DYNAMIC 010
118 /* Dynamic symbol has been adjustd. */
119 #define ELF_LINK_HASH_DYNAMIC_ADJUSTED 020
120 /* Symbol is defined as weak. */
121 #define ELF_LINK_HASH_DEFINED_WEAK 040
122 /* Symbol needs a copy reloc. */
123 #define ELF_LINK_HASH_NEEDS_COPY 0100
126 /* ELF linker hash table. */
128 struct elf_link_hash_table
130 struct bfd_link_hash_table root
;
131 /* The first dynamic object found during a link. We create several
132 special input sections when linking against dynamic objects, and
133 we simply attach them to the first one found. */
135 /* The number of symbols found in the link which must be put into
136 the .dynsym section. */
138 /* The string table of dynamic symbols, which becomes the .dynstr
140 struct strtab
*dynstr
;
141 /* The number of buckets in the hash table in the .hash section.
142 This is based on the number of dynamic symbols. */
146 /* Look up an entry in an ELF linker hash table. */
148 #define elf_link_hash_lookup(table, string, create, copy, follow) \
149 ((struct elf_link_hash_entry *) \
150 bfd_link_hash_lookup (&(table)->root, (string), (create), \
153 /* Traverse an ELF linker hash table. */
155 #define elf_link_hash_traverse(table, func, info) \
156 (bfd_link_hash_traverse \
158 (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
161 /* Get the ELF linker hash table from a link_info structure. */
163 #define elf_hash_table(p) ((struct elf_link_hash_table *) ((p)->hash))
165 /* Constant information held for an ELF backend. */
167 struct elf_backend_data
169 /* Whether the backend uses REL or RELA relocations. FIXME: some
170 ELF backends use both. When we need to support one, this whole
171 approach will need to be changed. */
174 /* Whether this backend is 64 bits or not. FIXME: Who cares? */
177 /* The architecture for this backend. */
178 enum bfd_architecture arch
;
180 /* The ELF machine code (EM_xxxx) for this backend. */
181 int elf_machine_code
;
183 /* The maximum page size for this backend. */
186 /* This is true if the linker should act like collect and gather
187 global constructors and destructors by name. This is true for
188 MIPS ELF because the Irix 5 tools can not handle the .init
192 /* A function to translate an ELF RELA relocation to a BFD arelent
194 void (*elf_info_to_howto
) PARAMS ((bfd
*, arelent
*,
195 Elf_Internal_Rela
*));
197 /* A function to translate an ELF REL relocation to a BFD arelent
199 void (*elf_info_to_howto_rel
) PARAMS ((bfd
*, arelent
*,
200 Elf_Internal_Rel
*));
202 /* A function to determine whether a symbol is global when
203 partitioning the symbol table into local and global symbols.
204 This should be NULL for most targets, in which case the correct
205 thing will be done. MIPS ELF, at least on the Irix 5, has
206 special requirements. */
207 boolean (*elf_backend_sym_is_global
) PARAMS ((bfd
*, asymbol
*));
209 /* The remaining functions are hooks which are called only if they
212 /* A function to permit a backend specific check on whether a
213 particular BFD format is relevant for an object file, and to
214 permit the backend to set any global information it wishes. When
215 this is called elf_elfheader is set, but anything else should be
216 used with caution. If this returns false, the check_format
217 routine will return a bfd_error_wrong_format error. */
218 boolean (*elf_backend_object_p
) PARAMS ((bfd
*));
220 /* A function to do additional symbol processing when reading the
221 ELF symbol table. This is where any processor-specific special
222 section indices are handled. */
223 void (*elf_backend_symbol_processing
) PARAMS ((bfd
*, asymbol
*));
225 /* A function to do additional symbol processing after reading the
226 entire ELF symbol table. */
227 boolean (*elf_backend_symbol_table_processing
) PARAMS ((bfd
*,
231 /* A function to do additional processing on the ELF section header
232 just before writing it out. This is used to set the flags and
233 type fields for some sections, or to actually write out data for
235 boolean (*elf_backend_section_processing
) PARAMS ((bfd
*,
236 Elf32_Internal_Shdr
*));
238 /* A function to handle unusual section types when creating BFD
239 sections from ELF sections. */
240 boolean (*elf_backend_section_from_shdr
) PARAMS ((bfd
*,
241 Elf32_Internal_Shdr
*,
244 /* A function to set up the ELF section header for a BFD section in
245 preparation for writing it out. This is where the flags and type
246 fields are set for unusual sections. */
247 boolean (*elf_backend_fake_sections
) PARAMS ((bfd
*, Elf32_Internal_Shdr
*,
250 /* A function to get the ELF section index for a BFD section. If
251 this returns true, the section was found. If it is a normal ELF
252 section, *RETVAL should be left unchanged. If it is not a normal
253 ELF section *RETVAL should be set to the SHN_xxxx index. */
254 boolean (*elf_backend_section_from_bfd_section
)
255 PARAMS ((bfd
*, Elf32_Internal_Shdr
*, asection
*, int *retval
));
257 /* If this field is not NULL, it is called by the add_symbols phase
258 of a link just before adding a symbol to the global linker hash
259 table. It may modify any of the fields as it wishes. If *NAME
260 is set to NULL, the symbol will be skipped rather than being
261 added to the hash table. This function is responsible for
262 handling all processor dependent symbol bindings and section
263 indices, and must set at least *FLAGS and *SEC for each processor
264 dependent case; failure to do so will cause a link error. */
265 boolean (*elf_add_symbol_hook
)
266 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
,
267 const Elf_Internal_Sym
*, const char **name
,
268 flagword
*flags
, asection
**sec
, bfd_vma
*value
));
270 /* If this field is not NULL, it is called by the elf_link_output_sym
271 phase of a link for each symbol which will appear in the object file. */
272 boolean (*elf_backend_link_output_symbol_hook
)
273 PARAMS ((bfd
*, struct bfd_link_info
*info
, const char *,
274 Elf_Internal_Sym
*, asection
*));
276 /* The CREATE_DYNAMIC_SECTIONS function is called by the ELF backend
277 linker the first time it encounters a dynamic object in the link.
278 This function must create any sections required for dynamic
279 linking. The ABFD argument is a dynamic object. The .interp,
280 .dynamic, .dynsym, .dynstr, and .hash functions have already been
281 created, and this function may modify the section flags if
282 desired. This function will normally create the .got and .plt
283 sections, but different backends have different requirements. */
284 boolean (*elf_backend_create_dynamic_sections
)
285 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
));
287 /* The CHECK_RELOCS function is called by the add_symbols phase of
288 the ELF backend linker. It is called once for each section with
289 relocs of an object file, just after the symbols for the object
290 file have been added to the global linker hash table. The
291 function must look through the relocs and do any special handling
292 required. This generally means allocating space in the global
293 offset table, and perhaps allocating space for a reloc. The
294 relocs are always passed as Rela structures; if the section
295 actually uses Rel structures, the r_addend field will always be
297 boolean (*check_relocs
)
298 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
, asection
*o
,
299 const Elf_Internal_Rela
*relocs
));
301 /* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend
302 linker for every symbol which is defined by a dynamic object and
303 referenced by a regular object. This is called after all the
304 input files have been seen, but before the SIZE_DYNAMIC_SECTIONS
305 function has been called. The hash table entry should be
306 bfd_link_hash_defined, and it should be defined in a section from
307 a dynamic object. Dynamic object sections are not included in
308 the final link, and this function is responsible for changing the
309 value to something which the rest of the link can deal with.
310 This will normally involve adding an entry to the .plt or .got or
311 some such section, and setting the symbol to point to that. */
312 boolean (*elf_backend_adjust_dynamic_symbol
)
313 PARAMS ((struct bfd_link_info
*info
, struct elf_link_hash_entry
*h
));
315 /* The SIZE_DYNAMIC_SECTIONS function is called by the ELF backend
316 linker after all the linker input files have been seen but before
317 the sections sizes have been set. This is called after
318 ADJUST_DYNAMIC_SYMBOL has been called on all appropriate symbols.
319 It is only called when linking against a dynamic object. It must
320 set the sizes of the dynamic sections, and may fill in their
321 contents as well. The generic ELF linker can handle the .dynsym,
322 .dynstr and .hash sections. This function must handle the
323 .interp section and any sections created by the
324 CREATE_DYNAMIC_SECTIONS entry point. */
325 boolean (*elf_backend_size_dynamic_sections
)
326 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
));
328 /* The RELOCATE_SECTION function is called by the ELF backend linker
329 to handle the relocations for a section.
331 The relocs are always passed as Rela structures; if the section
332 actually uses Rel structures, the r_addend field will always be
335 This function is responsible for adjust the section contents as
336 necessary, and (if using Rela relocs and generating a
337 relocateable output file) adjusting the reloc addend as
340 This function does not have to worry about setting the reloc
341 address or the reloc symbol index.
343 LOCAL_SYMS is a pointer to the swapped in local symbols.
345 LOCAL_SECTIONS is an array giving the section in the input file
346 corresponding to the st_shndx field of each local symbol.
348 The global hash table entry for the global symbols can be found
349 via elf_sym_hashes (input_bfd).
351 When generating relocateable output, this function must handle
352 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
353 going to be the section symbol corresponding to the output
354 section, which means that the addend must be adjusted
356 boolean (*elf_backend_relocate_section
)
357 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
,
358 bfd
*input_bfd
, asection
*input_section
, bfd_byte
*contents
,
359 Elf_Internal_Rela
*relocs
, Elf_Internal_Sym
*local_syms
,
360 asection
**local_sections
, char *output_names
));
362 /* The FINISH_DYNAMIC_SYMBOL function is called by the ELF backend
363 linker just before it writes a symbol out to the .dynsym section.
364 The processor backend may make any required adjustment to the
365 symbol. It may also take the opportunity to set contents of the
366 dynamic sections. Note that FINISH_DYNAMIC_SYMBOL is called on
367 all .dynsym symbols, while ADJUST_DYNAMIC_SYMBOL is only called
368 on those symbols which are defined by a dynamic object. */
369 boolean (*elf_backend_finish_dynamic_symbol
)
370 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
,
371 struct elf_link_hash_entry
*h
, Elf_Internal_Sym
*sym
));
373 /* The FINISH_DYNAMIC_SECTIONS function is called by the ELF backend
374 linker just before it writes all the dynamic sections out to the
375 output file. The FINISH_DYNAMIC_SYMBOL will have been called on
376 all dynamic symbols. */
377 boolean (*elf_backend_finish_dynamic_sections
)
378 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
));
380 /* A function to do any beginning processing needed for the ELF file
381 before building the ELF headers and computing file positions. */
382 void (*elf_backend_begin_write_processing
)
383 PARAMS ((bfd
*, struct bfd_link_info
*));
385 /* A function to do any final processing needed for the ELF file
386 before writing it out. */
387 void (*elf_backend_final_write_processing
)
388 PARAMS ((bfd
*, struct bfd_link_info
*));
390 /* The swapping table to use when dealing with ECOFF information.
391 Used for the MIPS ELF .mdebug section. */
392 const struct ecoff_debug_swap
*elf_backend_ecoff_debug_swap
;
397 int elf_sym_num
; /* sym# after locals/globals are reordered */
400 typedef struct elf_sym_extra Elf_Sym_Extra
;
402 /* Information stored for each BFD section in an ELF file. This
403 structure is allocated by elf_new_section_hook. */
405 struct bfd_elf_section_data
{
406 /* The ELF header for this section. */
407 Elf_Internal_Shdr this_hdr
;
408 /* The ELF header for the reloc section associated with this
410 Elf_Internal_Shdr rel_hdr
;
411 /* The ELF section number of this section. Only used for an output
414 /* The ELF section number of the reloc section associated with this
415 section, if any. Only used for an output file. */
417 /* Used by the backend linker to store the symbol hash table entries
418 associated with relocs against global symbols. */
419 struct elf_link_hash_entry
**rel_hashes
;
420 /* A pointer to the swapped relocs. If the section uses REL relocs,
421 rather than RELA, all the r_addend fields will be zero. This
422 pointer may be NULL. It is used by the backend linker. */
423 Elf_Internal_Rela
*relocs
;
426 #define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd)
428 #define get_elf_backend_data(abfd) \
429 ((struct elf_backend_data *) (abfd)->xvec->backend_data)
438 /* Some private data is stashed away for future use using the tdata pointer
439 in the bfd structure. */
443 Elf_Internal_Ehdr elf_header
[1]; /* Actual data, but ref like ptr */
444 Elf_Internal_Shdr
**elf_sect_ptr
;
445 Elf_Internal_Phdr
*phdr
;
446 struct strtab
*strtab_ptr
;
449 Elf_Sym_Extra
*sym_extra
;
450 asymbol
**section_syms
; /* STT_SECTION symbols for each section */
451 int num_section_syms
; /* number of section_syms allocated */
452 Elf_Internal_Shdr symtab_hdr
;
453 Elf_Internal_Shdr shstrtab_hdr
;
454 Elf_Internal_Shdr strtab_hdr
;
455 Elf_Internal_Shdr dynsymtab_hdr
;
456 Elf_Internal_Shdr dynstrtab_hdr
;
457 int symtab_section
, shstrtab_section
, strtab_section
, dynsymtab_section
;
458 file_ptr next_file_pos
;
459 void *prstatus
; /* The raw /proc prstatus structure */
460 void *prpsinfo
; /* The raw /proc prpsinfo structure */
461 bfd_vma gp
; /* The gp value (MIPS only, for now) */
462 int gp_size
; /* The gp size (MIPS only, for now) */
464 /* A mapping from external symbols to entries in the linker hash
465 table, used when linking. This is indexed by the symbol index
466 minus the sh_info field of the symbol table header. */
467 struct elf_link_hash_entry
**sym_hashes
;
469 /* A mapping from local symbols to offsets into the global offset
470 table, used when linking. This is indexed by the symbol index. */
471 bfd_vma
*local_got_offsets
;
473 /* The linker ELF emulation code needs to let the backend ELF linker
474 know what filename should be used for a dynamic object if the
475 dynamic object is found using a search. This field is used to
476 hold that information. */
477 const char *dt_needed_name
;
479 /* Irix 5 often screws up the symbol table, sorting local symbols
480 after global symbols. This flag is set if the symbol table in
481 this BFD appears to be screwed up. If it is, we ignore the
482 sh_info field in the symbol table header, and always read all the
487 #define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data)
488 #define elf_elfheader(bfd) (elf_tdata(bfd) -> elf_header)
489 #define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr)
490 #define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr)
491 #define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section)
492 #define elf_dynsymtab(bfd) (elf_tdata(bfd) -> dynsymtab_section)
493 #define elf_num_locals(bfd) (elf_tdata(bfd) -> num_locals)
494 #define elf_num_globals(bfd) (elf_tdata(bfd) -> num_globals)
495 #define elf_sym_extra(bfd) (elf_tdata(bfd) -> sym_extra)
496 #define elf_section_syms(bfd) (elf_tdata(bfd) -> section_syms)
497 #define elf_num_section_syms(bfd) (elf_tdata(bfd) -> num_section_syms)
498 #define core_prpsinfo(bfd) (elf_tdata(bfd) -> prpsinfo)
499 #define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus)
500 #define elf_gp(bfd) (elf_tdata(bfd) -> gp)
501 #define elf_gp_size(bfd) (elf_tdata(bfd) -> gp_size)
502 #define elf_sym_hashes(bfd) (elf_tdata(bfd) -> sym_hashes)
503 #define elf_local_got_offsets(bfd) (elf_tdata(bfd) -> local_got_offsets)
504 #define elf_dt_needed_name(bfd) (elf_tdata(bfd) -> dt_needed_name)
505 #define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab)
507 extern char * elf_string_from_elf_section
PARAMS ((bfd
*, unsigned, unsigned));
508 extern char * elf_get_str_section
PARAMS ((bfd
*, unsigned));
510 #define bfd_elf32_mkobject bfd_elf_mkobject
511 #define bfd_elf64_mkobject bfd_elf_mkobject
512 #define elf_mkobject bfd_elf_mkobject
514 extern unsigned long bfd_elf_hash
PARAMS ((CONST
unsigned char *));
516 extern bfd_reloc_status_type bfd_elf_generic_reloc
PARAMS ((bfd
*,
523 extern boolean bfd_elf_mkobject
PARAMS ((bfd
*));
524 extern Elf_Internal_Shdr
*bfd_elf_find_section
PARAMS ((bfd
*, char *));
525 extern boolean _bfd_elf_make_section_from_shdr
526 PARAMS ((bfd
*abfd
, Elf_Internal_Shdr
*hdr
, const char *name
));
527 extern struct bfd_hash_entry
*_bfd_elf_link_hash_newfunc
528 PARAMS ((struct bfd_hash_entry
*, struct bfd_hash_table
*, const char *));
529 extern struct bfd_link_hash_table
*_bfd_elf_link_hash_table_create
531 extern boolean _bfd_elf_link_hash_table_init
532 PARAMS ((struct elf_link_hash_table
*, bfd
*,
533 struct bfd_hash_entry
*(*) (struct bfd_hash_entry
*,
534 struct bfd_hash_table
*,
537 extern boolean bfd_elf32_write_object_contents
PARAMS ((bfd
*));
538 extern boolean bfd_elf64_write_object_contents
PARAMS ((bfd
*));
540 extern const bfd_target
*bfd_elf32_object_p
PARAMS ((bfd
*));
541 extern const bfd_target
*bfd_elf32_core_file_p
PARAMS ((bfd
*));
542 extern char *bfd_elf32_core_file_failing_command
PARAMS ((bfd
*));
543 extern int bfd_elf32_core_file_failing_signal
PARAMS ((bfd
*));
544 extern boolean bfd_elf32_core_file_matches_executable_p
PARAMS ((bfd
*,
546 extern boolean bfd_elf32_set_section_contents
PARAMS ((bfd
*, sec_ptr
, PTR
,
550 extern long bfd_elf32_get_symtab_upper_bound
PARAMS ((bfd
*));
551 extern long bfd_elf32_get_symtab
PARAMS ((bfd
*, asymbol
**));
552 extern long bfd_elf32_get_dynamic_symtab_upper_bound
PARAMS ((bfd
*));
553 extern long bfd_elf32_canonicalize_dynamic_symtab
PARAMS ((bfd
*, asymbol
**));
554 extern long bfd_elf32_get_reloc_upper_bound
PARAMS ((bfd
*, sec_ptr
));
555 extern long bfd_elf32_canonicalize_reloc
PARAMS ((bfd
*, sec_ptr
,
556 arelent
**, asymbol
**));
557 extern asymbol
*bfd_elf32_make_empty_symbol
PARAMS ((bfd
*));
558 extern void bfd_elf32_print_symbol
PARAMS ((bfd
*, PTR
, asymbol
*,
559 bfd_print_symbol_type
));
560 extern void bfd_elf32_get_symbol_info
PARAMS ((bfd
*, asymbol
*,
562 extern alent
*bfd_elf32_get_lineno
PARAMS ((bfd
*, asymbol
*));
563 extern boolean bfd_elf32_set_arch_mach
PARAMS ((bfd
*, enum bfd_architecture
,
565 extern boolean bfd_elf32_find_nearest_line
PARAMS ((bfd
*, asection
*,
567 bfd_vma
, CONST
char **,
570 extern int bfd_elf32_sizeof_headers
PARAMS ((bfd
*, boolean
));
571 extern void bfd_elf32__write_relocs
PARAMS ((bfd
*, asection
*, PTR
));
572 extern boolean bfd_elf32_new_section_hook
PARAMS ((bfd
*, asection
*));
573 extern boolean bfd_elf32_bfd_link_add_symbols
574 PARAMS ((bfd
*, struct bfd_link_info
*));
575 extern boolean bfd_elf32_bfd_final_link
576 PARAMS ((bfd
*, struct bfd_link_info
*));
578 extern void bfd_elf32_swap_symbol_in
579 PARAMS ((bfd
*, Elf32_External_Sym
*, Elf_Internal_Sym
*));
580 extern void bfd_elf32_swap_symbol_out
581 PARAMS ((bfd
*, Elf_Internal_Sym
*, Elf32_External_Sym
*));
582 extern void bfd_elf32_swap_reloc_in
583 PARAMS ((bfd
*, Elf32_External_Rel
*, Elf_Internal_Rel
*));
584 extern void bfd_elf32_swap_reloc_out
585 PARAMS ((bfd
*, Elf_Internal_Rel
*, Elf32_External_Rel
*));
586 extern void bfd_elf32_swap_reloca_in
587 PARAMS ((bfd
*, Elf32_External_Rela
*, Elf_Internal_Rela
*));
588 extern void bfd_elf32_swap_reloca_out
589 PARAMS ((bfd
*, Elf_Internal_Rela
*, Elf32_External_Rela
*));
590 extern void bfd_elf32_swap_dyn_in
591 PARAMS ((bfd
*, const Elf32_External_Dyn
*, Elf_Internal_Dyn
*));
592 extern void bfd_elf32_swap_dyn_out
593 PARAMS ((bfd
*, const Elf_Internal_Dyn
*, Elf32_External_Dyn
*));
594 extern boolean bfd_elf32_add_dynamic_entry
595 PARAMS ((struct bfd_link_info
*, bfd_vma
, bfd_vma
));
596 extern boolean bfd_elf32_link_create_dynamic_sections
597 PARAMS ((bfd
*, struct bfd_link_info
*));
598 extern boolean bfd_elf32_link_record_dynamic_symbol
599 PARAMS ((struct bfd_link_info
*, struct elf_link_hash_entry
*));
601 /* If the target doesn't have reloc handling written yet: */
602 extern void bfd_elf32_no_info_to_howto
PARAMS ((bfd
*, arelent
*,
603 Elf32_Internal_Rela
*));
605 extern const bfd_target
*bfd_elf64_object_p
PARAMS ((bfd
*));
606 extern const bfd_target
*bfd_elf64_core_file_p
PARAMS ((bfd
*));
607 extern char *bfd_elf64_core_file_failing_command
PARAMS ((bfd
*));
608 extern int bfd_elf64_core_file_failing_signal
PARAMS ((bfd
*));
609 extern boolean bfd_elf64_core_file_matches_executable_p
PARAMS ((bfd
*,
611 extern boolean bfd_elf64_set_section_contents
PARAMS ((bfd
*, sec_ptr
, PTR
,
615 extern long bfd_elf64_get_symtab_upper_bound
PARAMS ((bfd
*));
616 extern long bfd_elf64_get_symtab
PARAMS ((bfd
*, asymbol
**));
617 extern long bfd_elf64_get_dynamic_symtab_upper_bound
PARAMS ((bfd
*));
618 extern long bfd_elf64_canonicalize_dynamic_symtab
PARAMS ((bfd
*, asymbol
**));
619 extern long bfd_elf64_get_reloc_upper_bound
PARAMS ((bfd
*, sec_ptr
));
620 extern long bfd_elf64_canonicalize_reloc
PARAMS ((bfd
*, sec_ptr
,
621 arelent
**, asymbol
**));
622 extern asymbol
*bfd_elf64_make_empty_symbol
PARAMS ((bfd
*));
623 extern void bfd_elf64_print_symbol
PARAMS ((bfd
*, PTR
, asymbol
*,
624 bfd_print_symbol_type
));
625 extern void bfd_elf64_get_symbol_info
PARAMS ((bfd
*, asymbol
*,
627 extern alent
*bfd_elf64_get_lineno
PARAMS ((bfd
*, asymbol
*));
628 extern boolean bfd_elf64_set_arch_mach
PARAMS ((bfd
*, enum bfd_architecture
,
630 extern boolean bfd_elf64_find_nearest_line
PARAMS ((bfd
*, asection
*,
632 bfd_vma
, CONST
char **,
635 extern int bfd_elf64_sizeof_headers
PARAMS ((bfd
*, boolean
));
636 extern void bfd_elf64__write_relocs
PARAMS ((bfd
*, asection
*, PTR
));
637 extern boolean bfd_elf64_new_section_hook
PARAMS ((bfd
*, asection
*));
638 extern boolean bfd_elf64_bfd_link_add_symbols
639 PARAMS ((bfd
*, struct bfd_link_info
*));
640 extern boolean bfd_elf64_bfd_final_link
641 PARAMS ((bfd
*, struct bfd_link_info
*));
643 extern void bfd_elf64_swap_symbol_in
644 PARAMS ((bfd
*, Elf64_External_Sym
*, Elf_Internal_Sym
*));
645 extern void bfd_elf64_swap_symbol_out
646 PARAMS ((bfd
*, Elf_Internal_Sym
*, Elf64_External_Sym
*));
647 extern void bfd_elf64_swap_reloc_in
648 PARAMS ((bfd
*, Elf64_External_Rel
*, Elf_Internal_Rel
*));
649 extern void bfd_elf64_swap_reloc_out
650 PARAMS ((bfd
*, Elf_Internal_Rel
*, Elf64_External_Rel
*));
651 extern void bfd_elf64_swap_reloca_in
652 PARAMS ((bfd
*, Elf64_External_Rela
*, Elf_Internal_Rela
*));
653 extern void bfd_elf64_swap_reloca_out
654 PARAMS ((bfd
*, Elf_Internal_Rela
*, Elf64_External_Rela
*));
655 extern void bfd_elf64_swap_dyn_in
656 PARAMS ((bfd
*, const Elf64_External_Dyn
*, Elf_Internal_Dyn
*));
657 extern void bfd_elf64_swap_dyn_out
658 PARAMS ((bfd
*, const Elf_Internal_Dyn
*, Elf64_External_Dyn
*));
659 extern boolean bfd_elf64_add_dynamic_entry
660 PARAMS ((struct bfd_link_info
*, bfd_vma
, bfd_vma
));
661 extern boolean bfd_elf64_link_create_dynamic_sections
662 PARAMS ((bfd
*, struct bfd_link_info
*));
663 extern boolean bfd_elf64_link_record_dynamic_symbol
664 PARAMS ((struct bfd_link_info
*, struct elf_link_hash_entry
*));
666 /* If the target doesn't have reloc handling written yet: */
667 extern void bfd_elf64_no_info_to_howto
PARAMS ((bfd
*, arelent
*,
668 Elf64_Internal_Rela
*));
670 #endif /* _LIBELF_H_ */