1 /* BFD back-end data structures for ELF files.
2 Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
3 2002, 2003 Free Software Foundation, Inc.
4 Written by Cygnus Support.
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
25 #include "elf/common.h"
26 #include "elf/internal.h"
27 #include "elf/external.h"
30 /* The number of entries in a section is its size divided by the size
31 of a single entry. This is normally only applicable to reloc and
32 symbol table sections. */
33 #define NUM_SHDR_ENTRIES(shdr) ((shdr)->sh_size / (shdr)->sh_entsize)
35 /* If size isn't specified as 64 or 32, NAME macro should fail. */
36 /* Do not "beautify" the CONCAT* macro args. Traditional C will not
37 remove whitespace added here, and thus will fail to concatenate
41 #define NAME(x,y) CONCAT4 (x,64,_,y)
44 #define NAME(x,y) CONCAT4 (x,32,_,y)
49 #define NAME(x,y) CONCAT4 (x,NOSIZE,_,y)
52 #define ElfNAME(X) NAME(Elf,X)
53 #define elfNAME(X) NAME(elf,X)
55 /* Information held for an ELF symbol. The first field is the
56 corresponding asymbol. Every symbol is an ELF file is actually a
57 pointer to this structure, although it is often handled as a
58 pointer to an asymbol. */
64 /* ELF symbol information. */
65 Elf_Internal_Sym internal_elf_sym
;
66 /* Backend specific information. */
69 unsigned int hppa_arg_reloc
;
75 /* Version information. This is from an Elf_Internal_Versym
76 structure in a SHT_GNU_versym section. It is zero if there is no
77 version information. */
78 unsigned short version
;
82 struct elf_strtab_hash
;
86 /* ELF linker hash table entries. */
88 struct elf_link_hash_entry
90 struct bfd_link_hash_entry root
;
92 /* Symbol index in output file. This is initialized to -1. It is
93 set to -2 if the symbol is used by a reloc. */
96 /* Symbol index as a dynamic symbol. Initialized to -1, and remains
97 -1 if this is not a dynamic symbol. */
98 /* ??? Note that this is consistently used as a synonym for tests
99 against whether we can perform various simplifying transformations
100 to the code. (E.g. changing a pc-relative jump to a PLT entry
101 into a pc-relative jump to the target function.) That test, which
102 is often relatively complex, and someplaces wrong or incomplete,
103 should really be replaced by a predicate in elflink.c.
105 End result: this field -1 does not indicate that the symbol is
106 not in the dynamic symbol table, but rather that the symbol is
107 not visible outside this DSO. */
110 /* String table index in .dynstr if this is a dynamic symbol. */
111 unsigned long dynstr_index
;
113 /* Hash value of the name computed using the ELF hash function. */
114 unsigned long elf_hash_value
;
116 /* If this is a weak defined symbol from a dynamic object, this
117 field points to a defined symbol with the same value, if there is
118 one. Otherwise it is NULL. */
119 struct elf_link_hash_entry
*weakdef
;
121 /* Version information. */
124 /* This field is used for a symbol which is not defined in a
125 regular object. It points to the version information read in
126 from the dynamic object. */
127 Elf_Internal_Verdef
*verdef
;
128 /* This field is used for a symbol which is defined in a regular
129 object. It is set up in size_dynamic_sections. It points to
130 the version information we should write out for this symbol. */
131 struct bfd_elf_version_tree
*vertree
;
134 /* Virtual table entry use information. This array is nominally of size
135 size/sizeof(target_void_pointer), though we have to be able to assume
136 and track a size while the symbol is still undefined. It is indexed
137 via offset/sizeof(target_void_pointer). */
138 size_t vtable_entries_size
;
139 bfd_boolean
*vtable_entries_used
;
141 /* Virtual table derivation info. */
142 struct elf_link_hash_entry
*vtable_parent
;
144 /* If this symbol requires an entry in the global offset table, the
145 processor specific backend uses this field to track usage and
146 final offset. Two schemes are supported: The first assumes that
147 a symbol may only have one GOT entry, and uses REFCOUNT until
148 size_dynamic_sections, at which point the contents of the .got is
149 fixed. Afterward, if OFFSET is -1, then the symbol does not
150 require a global offset table entry. The second scheme allows
151 multiple GOT entries per symbol, managed via a linked list
152 pointed to by GLIST. */
155 bfd_signed_vma refcount
;
157 struct got_entry
*glist
;
158 struct plt_entry
*plist
;
161 /* Same, but tracks a procedure linkage table entry. */
162 union gotplt_union plt
;
167 /* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */
170 /* Symbol st_other value, symbol visibility. */
173 /* Some flags; legal values follow. */
174 unsigned short elf_link_hash_flags
;
175 /* Symbol is referenced by a non-shared object. */
176 #define ELF_LINK_HASH_REF_REGULAR 01
177 /* Symbol is defined by a non-shared object. */
178 #define ELF_LINK_HASH_DEF_REGULAR 02
179 /* Symbol is referenced by a shared object. */
180 #define ELF_LINK_HASH_REF_DYNAMIC 04
181 /* Symbol is defined by a shared object. */
182 #define ELF_LINK_HASH_DEF_DYNAMIC 010
183 /* Symbol has a non-weak reference from a non-shared object. */
184 #define ELF_LINK_HASH_REF_REGULAR_NONWEAK 020
185 /* Dynamic symbol has been adjustd. */
186 #define ELF_LINK_HASH_DYNAMIC_ADJUSTED 040
187 /* Symbol needs a copy reloc. */
188 #define ELF_LINK_HASH_NEEDS_COPY 0100
189 /* Symbol needs a procedure linkage table entry. */
190 #define ELF_LINK_HASH_NEEDS_PLT 0200
191 /* Symbol appears in a non-ELF input file. */
192 #define ELF_LINK_NON_ELF 0400
193 /* Symbol should be marked as hidden in the version information. */
194 #define ELF_LINK_HIDDEN 01000
195 /* Symbol was forced to local scope due to a version script file. */
196 #define ELF_LINK_FORCED_LOCAL 02000
197 /* Symbol was marked during garbage collection. */
198 #define ELF_LINK_HASH_MARK 04000
199 /* Symbol is referenced by a non-GOT/non-PLT relocation. This is
200 not currently set by all the backends. */
201 #define ELF_LINK_NON_GOT_REF 010000
202 /* Symbol has a definition in a shared object. */
203 #define ELF_LINK_DYNAMIC_DEF 020000
204 /* Symbol is weak in all shared objects. */
205 #define ELF_LINK_DYNAMIC_WEAK 040000
208 /* Will references to this symbol always reference the symbol
209 in this object? STV_PROTECTED is excluded from the visibility test
210 here so that function pointer comparisons work properly. Since
211 function symbols not defined in an app are set to their .plt entry,
212 it's necessary for shared libs to also reference the .plt even
213 though the symbol is really local to the shared lib. */
214 #define SYMBOL_REFERENCES_LOCAL(INFO, H) \
215 _bfd_elf_symbol_refs_local_p (H, INFO, 0)
217 /* Will _calls_ to this symbol always call the version in this object? */
218 #define SYMBOL_CALLS_LOCAL(INFO, H) \
219 _bfd_elf_symbol_refs_local_p (H, INFO, 1)
221 /* Records local symbols to be emitted in the dynamic symbol table. */
223 struct elf_link_local_dynamic_entry
225 struct elf_link_local_dynamic_entry
*next
;
227 /* The input bfd this symbol came from. */
230 /* The index of the local symbol being copied. */
233 /* The index in the outgoing dynamic symbol table. */
236 /* A copy of the input symbol. */
237 Elf_Internal_Sym isym
;
240 struct elf_link_loaded_list
242 struct elf_link_loaded_list
*next
;
246 /* Structures used by the eh_frame optimization code. */
255 struct cie_header hdr
;
256 unsigned char version
;
257 unsigned char augmentation
[20];
258 unsigned int code_align
;
260 unsigned int ra_column
;
261 unsigned int augmentation_size
;
262 struct elf_link_hash_entry
*personality
;
263 unsigned char per_encoding
;
264 unsigned char lsda_encoding
;
265 unsigned char fde_encoding
;
266 unsigned char initial_insn_length
;
267 unsigned char make_relative
;
268 unsigned char make_lsda_relative
;
269 unsigned char initial_instructions
[50];
277 unsigned int new_offset
;
278 unsigned char fde_encoding
;
279 unsigned char lsda_encoding
;
280 unsigned char lsda_offset
;
281 unsigned char cie
: 1;
282 unsigned char removed
: 1;
283 unsigned char make_relative
: 1;
284 unsigned char make_lsda_relative
: 1;
285 unsigned char per_encoding_relative
: 1;
288 struct eh_frame_sec_info
291 unsigned int alloced
;
292 struct eh_cie_fde entry
[1];
295 struct eh_frame_array_ent
301 struct eh_frame_hdr_info
304 asection
*last_cie_sec
;
306 unsigned int last_cie_offset
;
307 unsigned int fde_count
, array_count
;
308 struct eh_frame_array_ent
*array
;
309 /* TRUE if .eh_frame_hdr should contain the sorted search table.
310 We build it if we successfully read all .eh_frame input sections
311 and recognize them. */
315 /* Cached start, size and alignment of PT_TLS segment. */
316 struct elf_link_tls_segment
323 /* ELF linker hash table. */
325 struct elf_link_hash_table
327 struct bfd_link_hash_table root
;
329 /* Whether we have created the special dynamic sections required
330 when linking against or generating a shared object. */
331 bfd_boolean dynamic_sections_created
;
333 /* The BFD used to hold special sections created by the linker.
334 This will be the first BFD found which requires these sections to
338 /* The value to use when initialising got.refcount/offset and
339 plt.refcount/offset in an elf_link_hash_entry. Set to zero when
340 the values are refcounts. Set to init_offset in
341 size_dynamic_sections when the values may be offsets. */
342 union gotplt_union init_refcount
;
344 /* The value to use for got.refcount/offset and plt.refcount/offset
345 when the values may be offsets. Normally (bfd_vma) -1. */
346 union gotplt_union init_offset
;
348 /* The number of symbols found in the link which must be put into
349 the .dynsym section. */
350 bfd_size_type dynsymcount
;
352 /* The string table of dynamic symbols, which becomes the .dynstr
354 struct elf_strtab_hash
*dynstr
;
356 /* The number of buckets in the hash table in the .hash section.
357 This is based on the number of dynamic symbols. */
358 bfd_size_type bucketcount
;
360 /* A linked list of DT_NEEDED names found in dynamic objects
361 included in the link. */
362 struct bfd_link_needed_list
*needed
;
364 /* The _GLOBAL_OFFSET_TABLE_ symbol. */
365 struct elf_link_hash_entry
*hgot
;
367 /* A pointer to information used to link stabs in sections. */
370 /* A pointer to information used to merge SEC_MERGE sections. */
373 /* Used by eh_frame code when editing .eh_frame. */
374 struct eh_frame_hdr_info eh_info
;
376 /* A linked list of local symbols to be added to .dynsym. */
377 struct elf_link_local_dynamic_entry
*dynlocal
;
379 /* A linked list of DT_RPATH/DT_RUNPATH names found in dynamic
380 objects included in the link. */
381 struct bfd_link_needed_list
*runpath
;
383 /* Cached start, size and alignment of PT_TLS segment. */
384 struct elf_link_tls_segment
*tls_segment
;
386 /* A linked list of BFD's loaded in the link. */
387 struct elf_link_loaded_list
*loaded
;
390 /* Look up an entry in an ELF linker hash table. */
392 #define elf_link_hash_lookup(table, string, create, copy, follow) \
393 ((struct elf_link_hash_entry *) \
394 bfd_link_hash_lookup (&(table)->root, (string), (create), \
397 /* Traverse an ELF linker hash table. */
399 #define elf_link_hash_traverse(table, func, info) \
400 (bfd_link_hash_traverse \
402 (bfd_boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
405 /* Get the ELF linker hash table from a link_info structure. */
407 #define elf_hash_table(p) ((struct elf_link_hash_table *) ((p)->hash))
409 /* Returns TRUE if the hash table is a struct elf_link_hash_table. */
410 #define is_elf_hash_table(p) \
411 ((p)->hash->type == bfd_link_elf_hash_table)
413 /* Used by bfd_section_from_r_symndx to cache a small number of local
414 symbol to section mappings. */
415 #define LOCAL_SYM_CACHE_SIZE 32
419 unsigned long indx
[LOCAL_SYM_CACHE_SIZE
];
420 asection
*sec
[LOCAL_SYM_CACHE_SIZE
];
423 /* Constant information held for an ELF backend. */
425 struct elf_size_info
{
426 unsigned char sizeof_ehdr
, sizeof_phdr
, sizeof_shdr
;
427 unsigned char sizeof_rel
, sizeof_rela
, sizeof_sym
, sizeof_dyn
, sizeof_note
;
429 /* The size of entries in the .hash section. */
430 unsigned char sizeof_hash_entry
;
432 /* The number of internal relocations to allocate per external
434 unsigned char int_rels_per_ext_rel
;
435 /* We use some fixed size arrays. This should be large enough to
436 handle all back-ends. */
437 #define MAX_INT_RELS_PER_EXT_REL 3
439 unsigned char arch_size
, log_file_align
;
440 unsigned char elfclass
, ev_current
;
441 int (*write_out_phdrs
)
442 PARAMS ((bfd
*, const Elf_Internal_Phdr
*, unsigned int));
443 bfd_boolean (*write_shdrs_and_ehdr
)
446 PARAMS ((bfd
*, asection
*, PTR
));
447 void (*swap_symbol_in
)
448 PARAMS ((bfd
*, const PTR
, const PTR
, Elf_Internal_Sym
*));
449 void (*swap_symbol_out
)
450 PARAMS ((bfd
*, const Elf_Internal_Sym
*, PTR
, PTR
));
451 bfd_boolean (*slurp_reloc_table
)
452 PARAMS ((bfd
*, asection
*, asymbol
**, bfd_boolean
));
453 long (*slurp_symbol_table
)
454 PARAMS ((bfd
*, asymbol
**, bfd_boolean
));
456 PARAMS ((bfd
*, const PTR
, Elf_Internal_Dyn
*));
458 PARAMS ((bfd
*, const Elf_Internal_Dyn
*, PTR
));
460 /* This function is called to swap in a REL relocation. If an
461 external relocation corresponds to more than one internal
462 relocation, then all relocations are swapped in at once. */
463 void (*swap_reloc_in
)
464 PARAMS ((bfd
*, const bfd_byte
*, Elf_Internal_Rela
*));
466 /* This function is called to swap out a REL relocation. */
467 void (*swap_reloc_out
)
468 PARAMS ((bfd
*, const Elf_Internal_Rela
*, bfd_byte
*));
470 /* This function is called to swap in a RELA relocation. If an
471 external relocation corresponds to more than one internal
472 relocation, then all relocations are swapped in at once. */
473 void (*swap_reloca_in
)
474 PARAMS ((bfd
*, const bfd_byte
*, Elf_Internal_Rela
*));
476 /* This function is called to swap out a RELA relocation. */
477 void (*swap_reloca_out
)
478 PARAMS ((bfd
*, const Elf_Internal_Rela
*, bfd_byte
*));
481 #define elf_symbol_from(ABFD,S) \
482 (((S)->the_bfd->xvec->flavour == bfd_target_elf_flavour \
483 && (S)->the_bfd->tdata.elf_obj_data != 0) \
484 ? (elf_symbol_type *) (S) \
487 enum elf_reloc_type_class
{
489 reloc_class_relative
,
494 struct elf_reloc_cookie
496 Elf_Internal_Rela
*rels
, *rel
, *relend
;
497 Elf_Internal_Sym
*locsyms
;
501 struct elf_link_hash_entry
**sym_hashes
;
502 bfd_boolean bad_symtab
;
505 /* The level of IRIX compatibility we're striving for. */
513 /* Mapping of ELF section names and types. */
514 struct bfd_elf_special_section
517 size_t prefix_length
;
519 size_t suffix_length
;
524 struct elf_backend_data
526 /* The architecture for this backend. */
527 enum bfd_architecture arch
;
529 /* The ELF machine code (EM_xxxx) for this backend. */
530 int elf_machine_code
;
532 /* The maximum page size for this backend. */
535 /* A function to translate an ELF RELA relocation to a BFD arelent
537 void (*elf_info_to_howto
)
538 PARAMS ((bfd
*, arelent
*, Elf_Internal_Rela
*));
540 /* A function to translate an ELF REL relocation to a BFD arelent
542 void (*elf_info_to_howto_rel
)
543 PARAMS ((bfd
*, arelent
*, Elf_Internal_Rela
*));
545 /* A function to determine whether a symbol is global when
546 partitioning the symbol table into local and global symbols.
547 This should be NULL for most targets, in which case the correct
548 thing will be done. MIPS ELF, at least on the Irix 5, has
549 special requirements. */
550 bfd_boolean (*elf_backend_sym_is_global
)
551 PARAMS ((bfd
*, asymbol
*));
553 /* The remaining functions are hooks which are called only if they
556 /* A function to permit a backend specific check on whether a
557 particular BFD format is relevant for an object file, and to
558 permit the backend to set any global information it wishes. When
559 this is called elf_elfheader is set, but anything else should be
560 used with caution. If this returns FALSE, the check_format
561 routine will return a bfd_error_wrong_format error. */
562 bfd_boolean (*elf_backend_object_p
)
565 /* A function to do additional symbol processing when reading the
566 ELF symbol table. This is where any processor-specific special
567 section indices are handled. */
568 void (*elf_backend_symbol_processing
)
569 PARAMS ((bfd
*, asymbol
*));
571 /* A function to do additional symbol processing after reading the
572 entire ELF symbol table. */
573 bfd_boolean (*elf_backend_symbol_table_processing
)
574 PARAMS ((bfd
*, elf_symbol_type
*, unsigned int));
576 /* A function to set the type of the info field. Processor-specific
577 types should be handled here. */
578 int (*elf_backend_get_symbol_type
)
579 PARAMS (( Elf_Internal_Sym
*, int));
581 /* A function to do additional processing on the ELF section header
582 just before writing it out. This is used to set the flags and
583 type fields for some sections, or to actually write out data for
585 bfd_boolean (*elf_backend_section_processing
)
586 PARAMS ((bfd
*, Elf_Internal_Shdr
*));
588 /* A function to handle unusual section types when creating BFD
589 sections from ELF sections. */
590 bfd_boolean (*elf_backend_section_from_shdr
)
591 PARAMS ((bfd
*, Elf_Internal_Shdr
*, const char *));
593 /* A function to convert machine dependent section header flags to
594 BFD internal section header flags. */
595 bfd_boolean (*elf_backend_section_flags
)
596 PARAMS ((flagword
*, Elf_Internal_Shdr
*));
598 /* A function to handle unusual program segment types when creating BFD
599 sections from ELF program segments. */
600 bfd_boolean (*elf_backend_section_from_phdr
)
601 PARAMS ((bfd
*, Elf_Internal_Phdr
*, int));
603 /* A function to set up the ELF section header for a BFD section in
604 preparation for writing it out. This is where the flags and type
605 fields are set for unusual sections. */
606 bfd_boolean (*elf_backend_fake_sections
)
607 PARAMS ((bfd
*, Elf_Internal_Shdr
*, asection
*));
609 /* A function to get the ELF section index for a BFD section. If
610 this returns TRUE, the section was found. If it is a normal ELF
611 section, *RETVAL should be left unchanged. If it is not a normal
612 ELF section *RETVAL should be set to the SHN_xxxx index. */
613 bfd_boolean (*elf_backend_section_from_bfd_section
)
614 PARAMS ((bfd
*, asection
*, int *retval
));
616 /* If this field is not NULL, it is called by the add_symbols phase
617 of a link just before adding a symbol to the global linker hash
618 table. It may modify any of the fields as it wishes. If *NAME
619 is set to NULL, the symbol will be skipped rather than being
620 added to the hash table. This function is responsible for
621 handling all processor dependent symbol bindings and section
622 indices, and must set at least *FLAGS and *SEC for each processor
623 dependent case; failure to do so will cause a link error. */
624 bfd_boolean (*elf_add_symbol_hook
)
625 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
,
626 const Elf_Internal_Sym
*, const char **name
,
627 flagword
*flags
, asection
**sec
, bfd_vma
*value
));
629 /* If this field is not NULL, it is called by the elf_link_output_sym
630 phase of a link for each symbol which will appear in the object file. */
631 bfd_boolean (*elf_backend_link_output_symbol_hook
)
632 PARAMS ((bfd
*, struct bfd_link_info
*info
, const char *,
633 Elf_Internal_Sym
*, asection
*));
635 /* The CREATE_DYNAMIC_SECTIONS function is called by the ELF backend
636 linker the first time it encounters a dynamic object in the link.
637 This function must create any sections required for dynamic
638 linking. The ABFD argument is a dynamic object. The .interp,
639 .dynamic, .dynsym, .dynstr, and .hash functions have already been
640 created, and this function may modify the section flags if
641 desired. This function will normally create the .got and .plt
642 sections, but different backends have different requirements. */
643 bfd_boolean (*elf_backend_create_dynamic_sections
)
644 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
));
646 /* The CHECK_RELOCS function is called by the add_symbols phase of
647 the ELF backend linker. It is called once for each section with
648 relocs of an object file, just after the symbols for the object
649 file have been added to the global linker hash table. The
650 function must look through the relocs and do any special handling
651 required. This generally means allocating space in the global
652 offset table, and perhaps allocating space for a reloc. The
653 relocs are always passed as Rela structures; if the section
654 actually uses Rel structures, the r_addend field will always be
656 bfd_boolean (*check_relocs
)
657 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
, asection
*o
,
658 const Elf_Internal_Rela
*relocs
));
660 /* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend
661 linker for every symbol which is defined by a dynamic object and
662 referenced by a regular object. This is called after all the
663 input files have been seen, but before the SIZE_DYNAMIC_SECTIONS
664 function has been called. The hash table entry should be
665 bfd_link_hash_defined ore bfd_link_hash_defweak, and it should be
666 defined in a section from a dynamic object. Dynamic object
667 sections are not included in the final link, and this function is
668 responsible for changing the value to something which the rest of
669 the link can deal with. This will normally involve adding an
670 entry to the .plt or .got or some such section, and setting the
671 symbol to point to that. */
672 bfd_boolean (*elf_backend_adjust_dynamic_symbol
)
673 PARAMS ((struct bfd_link_info
*info
, struct elf_link_hash_entry
*h
));
675 /* The ALWAYS_SIZE_SECTIONS function is called by the backend linker
676 after all the linker input files have been seen but before the
677 section sizes have been set. This is called after
678 ADJUST_DYNAMIC_SYMBOL, but before SIZE_DYNAMIC_SECTIONS. */
679 bfd_boolean (*elf_backend_always_size_sections
)
680 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
));
682 /* The SIZE_DYNAMIC_SECTIONS function is called by the ELF backend
683 linker after all the linker input files have been seen but before
684 the sections sizes have been set. This is called after
685 ADJUST_DYNAMIC_SYMBOL has been called on all appropriate symbols.
686 It is only called when linking against a dynamic object. It must
687 set the sizes of the dynamic sections, and may fill in their
688 contents as well. The generic ELF linker can handle the .dynsym,
689 .dynstr and .hash sections. This function must handle the
690 .interp section and any sections created by the
691 CREATE_DYNAMIC_SECTIONS entry point. */
692 bfd_boolean (*elf_backend_size_dynamic_sections
)
693 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
));
695 /* The RELOCATE_SECTION function is called by the ELF backend linker
696 to handle the relocations for a section.
698 The relocs are always passed as Rela structures; if the section
699 actually uses Rel structures, the r_addend field will always be
702 This function is responsible for adjust the section contents as
703 necessary, and (if using Rela relocs and generating a
704 relocatable output file) adjusting the reloc addend as
707 This function does not have to worry about setting the reloc
708 address or the reloc symbol index.
710 LOCAL_SYMS is a pointer to the swapped in local symbols.
712 LOCAL_SECTIONS is an array giving the section in the input file
713 corresponding to the st_shndx field of each local symbol.
715 The global hash table entry for the global symbols can be found
716 via elf_sym_hashes (input_bfd).
718 When generating relocatable output, this function must handle
719 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
720 going to be the section symbol corresponding to the output
721 section, which means that the addend must be adjusted
723 bfd_boolean (*elf_backend_relocate_section
)
724 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
,
725 bfd
*input_bfd
, asection
*input_section
, bfd_byte
*contents
,
726 Elf_Internal_Rela
*relocs
, Elf_Internal_Sym
*local_syms
,
727 asection
**local_sections
));
729 /* The FINISH_DYNAMIC_SYMBOL function is called by the ELF backend
730 linker just before it writes a symbol out to the .dynsym section.
731 The processor backend may make any required adjustment to the
732 symbol. It may also take the opportunity to set contents of the
733 dynamic sections. Note that FINISH_DYNAMIC_SYMBOL is called on
734 all .dynsym symbols, while ADJUST_DYNAMIC_SYMBOL is only called
735 on those symbols which are defined by a dynamic object. */
736 bfd_boolean (*elf_backend_finish_dynamic_symbol
)
737 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
,
738 struct elf_link_hash_entry
*h
, Elf_Internal_Sym
*sym
));
740 /* The FINISH_DYNAMIC_SECTIONS function is called by the ELF backend
741 linker just before it writes all the dynamic sections out to the
742 output file. The FINISH_DYNAMIC_SYMBOL will have been called on
743 all dynamic symbols. */
744 bfd_boolean (*elf_backend_finish_dynamic_sections
)
745 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
));
747 /* A function to do any beginning processing needed for the ELF file
748 before building the ELF headers and computing file positions. */
749 void (*elf_backend_begin_write_processing
)
750 PARAMS ((bfd
*, struct bfd_link_info
*));
752 /* A function to do any final processing needed for the ELF file
753 before writing it out. The LINKER argument is TRUE if this BFD
754 was created by the ELF backend linker. */
755 void (*elf_backend_final_write_processing
)
756 PARAMS ((bfd
*, bfd_boolean linker
));
758 /* This function is called by get_program_header_size. It should
759 return the number of additional program segments which this BFD
760 will need. It should return -1 on error. */
761 int (*elf_backend_additional_program_headers
)
764 /* This function is called to modify an existing segment map in a
765 backend specific fashion. */
766 bfd_boolean (*elf_backend_modify_segment_map
)
769 /* This function is called during section gc to discover the section a
770 particular relocation refers to. */
771 asection
* (*gc_mark_hook
)
772 PARAMS ((asection
*sec
, struct bfd_link_info
*, Elf_Internal_Rela
*,
773 struct elf_link_hash_entry
*h
, Elf_Internal_Sym
*));
775 /* This function, if defined, is called during the sweep phase of gc
776 in order that a backend might update any data structures it might
778 bfd_boolean (*gc_sweep_hook
)
779 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
, asection
*o
,
780 const Elf_Internal_Rela
*relocs
));
782 /* This function, if defined, is called after the ELF headers have
783 been created. This allows for things like the OS and ABI versions
785 void (*elf_backend_post_process_headers
)
786 PARAMS ((bfd
*, struct bfd_link_info
*));
788 /* This function, if defined, prints a symbol to file and returns the
789 name of the symbol to be printed. It should return NULL to fall
790 back to default symbol printing. */
791 const char *(*elf_backend_print_symbol_all
)
792 PARAMS ((bfd
*, PTR
, asymbol
*));
794 /* This function, if defined, is called after all local symbols and
795 global symbols converted to locals are emited into the symtab
796 section. It allows the backend to emit special global symbols
797 not handled in the hash table. */
798 bfd_boolean (*elf_backend_output_arch_syms
)
799 PARAMS ((bfd
*, struct bfd_link_info
*, PTR
,
800 bfd_boolean (*) (PTR
, const char *, Elf_Internal_Sym
*, asection
*)));
802 /* Copy any information related to dynamic linking from a pre-existing
803 symbol to a newly created symbol. Also called to copy flags and
804 other back-end info to a weakdef, in which case the symbol is not
805 newly created and plt/got refcounts and dynamic indices should not
807 void (*elf_backend_copy_indirect_symbol
)
808 PARAMS ((struct elf_backend_data
*, struct elf_link_hash_entry
*,
809 struct elf_link_hash_entry
*));
811 /* Modify any information related to dynamic linking such that the
812 symbol is not exported. */
813 void (*elf_backend_hide_symbol
)
814 PARAMS ((struct bfd_link_info
*, struct elf_link_hash_entry
*, bfd_boolean
));
816 /* Emit relocations. Overrides default routine for emitting relocs,
817 except during a relocatable link, or if all relocs are being emitted. */
818 bfd_boolean (*elf_backend_emit_relocs
)
819 PARAMS ((bfd
*, asection
*, Elf_Internal_Shdr
*, Elf_Internal_Rela
*));
821 /* Count relocations. Not called for relocatable links
822 or if all relocs are being preserved in the output. */
823 unsigned int (*elf_backend_count_relocs
)
824 PARAMS ((asection
*, Elf_Internal_Rela
*));
826 /* This function, if defined, is called when an NT_PRSTATUS note is found
828 bfd_boolean (*elf_backend_grok_prstatus
)
829 PARAMS ((bfd
*, Elf_Internal_Note
*));
831 /* This function, if defined, is called when an NT_PSINFO or NT_PRPSINFO
832 note is found in a core file. */
833 bfd_boolean (*elf_backend_grok_psinfo
)
834 PARAMS ((bfd
*, Elf_Internal_Note
*));
836 /* Functions to print VMAs. Special code to handle 64 bit ELF files. */
837 void (* elf_backend_sprintf_vma
)
838 PARAMS ((bfd
*, char *, bfd_vma
));
839 void (* elf_backend_fprintf_vma
)
840 PARAMS ((bfd
*, PTR
, bfd_vma
));
842 /* This function returns class of a reloc type. */
843 enum elf_reloc_type_class (*elf_backend_reloc_type_class
)
844 PARAMS ((const Elf_Internal_Rela
*));
846 /* This function, if defined, removes information about discarded functions
847 from other sections which mention them. */
848 bfd_boolean (*elf_backend_discard_info
)
849 PARAMS ((bfd
*, struct elf_reloc_cookie
*, struct bfd_link_info
*));
851 /* This function, if defined, signals that the function above has removed
852 the discarded relocations for this section. */
853 bfd_boolean (*elf_backend_ignore_discarded_relocs
)
854 PARAMS ((asection
*));
856 /* This function, if defined, may write out the given section.
857 Returns TRUE if it did so and FALSE if the caller should. */
858 bfd_boolean (*elf_backend_write_section
)
859 PARAMS ((bfd
*, asection
*, bfd_byte
*));
861 /* The level of IRIX compatibility we're striving for.
862 MIPS ELF specific function. */
863 irix_compat_t (*elf_backend_mips_irix_compat
)
866 reloc_howto_type
*(*elf_backend_mips_rtype_to_howto
)
867 PARAMS ((unsigned int, bfd_boolean
));
869 /* The swapping table to use when dealing with ECOFF information.
870 Used for the MIPS ELF .mdebug section. */
871 const struct ecoff_debug_swap
*elf_backend_ecoff_debug_swap
;
873 /* This function implements `bfd_elf_bfd_from_remote_memory';
874 see elf.c, elfcode.h. */
875 bfd
*(*elf_backend_bfd_from_remote_memory
)
876 PARAMS ((bfd
*templ
, bfd_vma ehdr_vma
, bfd_vma
*loadbasep
,
877 int (*target_read_memory
) (bfd_vma vma
, char *myaddr
, int len
)));
879 /* Alternate EM_xxxx machine codes for this backend. */
880 int elf_machine_alt1
;
881 int elf_machine_alt2
;
883 const struct elf_size_info
*s
;
885 /* An array of target specific special section map. */
886 const struct bfd_elf_special_section
*special_sections
;
888 /* offset of the _GLOBAL_OFFSET_TABLE_ symbol from the start of the
890 bfd_vma got_symbol_offset
;
892 /* The size in bytes of the headers for the GOT and PLT. This includes
893 the so-called reserved entries on some systems. */
894 bfd_vma got_header_size
;
895 bfd_vma plt_header_size
;
897 /* This is TRUE if the linker should act like collect and gather
898 global constructors and destructors by name. This is TRUE for
899 MIPS ELF because the Irix 5 tools can not handle the .init
901 unsigned collect
: 1;
903 /* This is TRUE if the linker should ignore changes to the type of a
904 symbol. This is TRUE for MIPS ELF because some Irix 5 objects
905 record undefined functions as STT_OBJECT although the definitions
907 unsigned type_change_ok
: 1;
909 /* Whether the backend may use REL relocations. (Some backends use
910 both REL and RELA relocations, and this flag is set for those
912 unsigned may_use_rel_p
: 1;
914 /* Whether the backend may use RELA relocations. (Some backends use
915 both REL and RELA relocations, and this flag is set for those
917 unsigned may_use_rela_p
: 1;
919 /* Whether the default relocation type is RELA. If a backend with
920 this flag set wants REL relocations for a particular section,
921 it must note that explicitly. Similarly, if this flag is clear,
922 and the backend wants RELA relocations for a particular
924 unsigned default_use_rela_p
: 1;
926 /* Set if RELA relocations for a relocatable link can be handled by
927 generic code. Backends that set this flag need do nothing in the
928 backend relocate_section routine for relocatable linking. */
929 unsigned rela_normal
: 1;
931 /* TRUE if addresses "naturally" sign extend. This is used when
932 swapping in from Elf32 when BFD64. */
933 unsigned sign_extend_vma
: 1;
935 unsigned want_got_plt
: 1;
936 unsigned plt_readonly
: 1;
937 unsigned want_plt_sym
: 1;
938 unsigned plt_not_loaded
: 1;
939 unsigned plt_alignment
: 4;
940 unsigned can_gc_sections
: 1;
941 unsigned can_refcount
: 1;
942 unsigned want_got_sym
: 1;
943 unsigned want_dynbss
: 1;
944 /* Targets which do not support physical addressing often require
945 that the p_paddr field in the section header to be set to zero.
946 This field indicates whether this behavior is required. */
947 unsigned want_p_paddr_set_to_zero
: 1;
950 /* Information stored for each BFD section in an ELF file. This
951 structure is allocated by elf_new_section_hook. */
953 struct bfd_elf_section_data
955 /* The ELF header for this section. */
956 Elf_Internal_Shdr this_hdr
;
958 /* The ELF header for the reloc section associated with this
960 Elf_Internal_Shdr rel_hdr
;
962 /* If there is a second reloc section associated with this section,
963 as can happen on Irix 6, this field points to the header. */
964 Elf_Internal_Shdr
*rel_hdr2
;
966 /* The number of relocations currently assigned to REL_HDR. */
967 unsigned int rel_count
;
969 /* The number of relocations currently assigned to REL_HDR2. */
970 unsigned int rel_count2
;
972 /* The ELF section number of this section. Only used for an output
976 /* The ELF section number of the reloc section indicated by
977 REL_HDR if any. Only used for an output file. */
980 /* The ELF section number of the reloc section indicated by
981 REL_HDR2 if any. Only used for an output file. */
984 /* Used by the backend linker when generating a shared library to
985 record the dynamic symbol index for a section symbol
986 corresponding to this section. A value of 0 means that there is
987 no dynamic symbol for this section. */
990 /* Used by the backend linker to store the symbol hash table entries
991 associated with relocs against global symbols. */
992 struct elf_link_hash_entry
**rel_hashes
;
994 /* A pointer to the swapped relocs. If the section uses REL relocs,
995 rather than RELA, all the r_addend fields will be zero. This
996 pointer may be NULL. It is used by the backend linker. */
997 Elf_Internal_Rela
*relocs
;
999 /* A pointer to a linked list tracking dynamic relocs copied for
1003 /* A pointer to the bfd section used for dynamic relocs. */
1007 /* Group name, if this section is a member of a group. */
1010 /* Group signature sym, if this is the SHT_GROUP section. */
1011 struct symbol_cache_entry
*id
;
1014 /* A linked list of sections in the group. Circular when used by
1016 asection
*next_in_group
;
1018 /* A pointer used for various section optimizations. */
1022 #define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd)
1023 #define elf_section_type(sec) (elf_section_data(sec)->this_hdr.sh_type)
1024 #define elf_section_flags(sec) (elf_section_data(sec)->this_hdr.sh_flags)
1025 #define elf_group_name(sec) (elf_section_data(sec)->group.name)
1026 #define elf_group_id(sec) (elf_section_data(sec)->group.id)
1027 #define elf_next_in_group(sec) (elf_section_data(sec)->next_in_group)
1029 /* Return TRUE if section has been discarded. */
1030 #define elf_discarded_section(sec) \
1031 (!bfd_is_abs_section (sec) \
1032 && bfd_is_abs_section ((sec)->output_section) \
1033 && sec->sec_info_type != ELF_INFO_TYPE_MERGE \
1034 && sec->sec_info_type != ELF_INFO_TYPE_JUST_SYMS)
1036 #define get_elf_backend_data(abfd) \
1037 ((struct elf_backend_data *) (abfd)->xvec->backend_data)
1039 /* This struct is used to pass information to routines called via
1040 elf_link_hash_traverse which must return failure. */
1042 struct elf_info_failed
1045 struct bfd_link_info
*info
;
1046 struct bfd_elf_version_tree
*verdefs
;
1049 /* This structure is used to pass information to
1050 _bfd_elf_link_assign_sym_version. */
1052 struct elf_assign_sym_version_info
1056 /* General link information. */
1057 struct bfd_link_info
*info
;
1059 struct bfd_elf_version_tree
*verdefs
;
1060 /* Whether we had a failure. */
1064 /* This structure is used to pass information to
1065 _bfd_elf_link_find_version_dependencies. */
1067 struct elf_find_verdep_info
1071 /* General link information. */
1072 struct bfd_link_info
*info
;
1073 /* The number of dependencies. */
1075 /* Whether we had a failure. */
1079 /* Some private data is stashed away for future use using the tdata pointer
1080 in the bfd structure. */
1082 struct elf_obj_tdata
1084 Elf_Internal_Ehdr elf_header
[1]; /* Actual data, but ref like ptr */
1085 Elf_Internal_Shdr
**elf_sect_ptr
;
1086 Elf_Internal_Phdr
*phdr
;
1087 struct elf_segment_map
*segment_map
;
1088 struct elf_strtab_hash
*strtab_ptr
;
1091 unsigned int num_elf_sections
; /* elf_sect_ptr size */
1092 int num_section_syms
;
1093 asymbol
**section_syms
; /* STT_SECTION symbols for each section */
1094 Elf_Internal_Shdr symtab_hdr
;
1095 Elf_Internal_Shdr shstrtab_hdr
;
1096 Elf_Internal_Shdr strtab_hdr
;
1097 Elf_Internal_Shdr dynsymtab_hdr
;
1098 Elf_Internal_Shdr dynstrtab_hdr
;
1099 Elf_Internal_Shdr dynversym_hdr
;
1100 Elf_Internal_Shdr dynverref_hdr
;
1101 Elf_Internal_Shdr dynverdef_hdr
;
1102 Elf_Internal_Shdr symtab_shndx_hdr
;
1103 unsigned int symtab_section
, shstrtab_section
;
1104 unsigned int strtab_section
, dynsymtab_section
;
1105 unsigned int symtab_shndx_section
;
1106 unsigned int dynversym_section
, dynverdef_section
, dynverref_section
;
1107 file_ptr next_file_pos
;
1108 bfd_vma gp
; /* The gp value */
1109 unsigned int gp_size
; /* The gp size */
1111 Elf_Internal_Shdr
**group_sect_ptr
;
1114 /* Information grabbed from an elf core file. */
1121 /* This is set to TRUE if the object was created by the backend
1125 /* A mapping from external symbols to entries in the linker hash
1126 table, used when linking. This is indexed by the symbol index
1127 minus the sh_info field of the symbol table header. */
1128 struct elf_link_hash_entry
**sym_hashes
;
1130 /* Track usage and final offsets of GOT entries for local symbols.
1131 This array is indexed by symbol index. Elements are used
1132 identically to "got" in struct elf_link_hash_entry. */
1135 bfd_signed_vma
*refcounts
;
1137 struct got_entry
**ents
;
1140 /* The linker ELF emulation code needs to let the backend ELF linker
1141 know what filename should be used for a dynamic object if the
1142 dynamic object is found using a search. The emulation code then
1143 sometimes needs to know what name was actually used. Until the
1144 file has been added to the linker symbol table, this field holds
1145 the name the linker wants. After it has been added, it holds the
1146 name actually used, which will be the DT_SONAME entry if there is
1148 const char *dt_name
;
1150 /* When a reference in a regular object is resolved by a shared
1151 object is loaded into via the DT_NEEDED entries by the linker
1152 ELF emulation code, we need to add the shared object to the
1153 DT_NEEDED list of the resulting binary to indicate the dependency
1154 as if the -l option is passed to the linker. This field holds the
1155 name of the loaded shared object. */
1156 const char *dt_soname
;
1158 /* Irix 5 often screws up the symbol table, sorting local symbols
1159 after global symbols. This flag is set if the symbol table in
1160 this BFD appears to be screwed up. If it is, we ignore the
1161 sh_info field in the symbol table header, and always read all the
1163 bfd_boolean bad_symtab
;
1165 /* Records the result of `get_program_header_size'. */
1166 bfd_size_type program_header_size
;
1168 /* Used by find_nearest_line entry point. */
1171 /* Used by MIPS ELF find_nearest_line entry point. The structure
1172 could be included directly in this one, but there's no point to
1173 wasting the memory just for the infrequently called
1174 find_nearest_line. */
1175 struct mips_elf_find_line
*find_line_info
;
1177 /* A place to stash dwarf1 info for this bfd. */
1178 struct dwarf1_debug
*dwarf1_find_line_info
;
1180 /* A place to stash dwarf2 info for this bfd. */
1181 PTR dwarf2_find_line_info
;
1183 /* An array of stub sections indexed by symbol number, used by the
1184 MIPS ELF linker. FIXME: We should figure out some way to only
1185 include this field for a MIPS ELF target. */
1186 asection
**local_stubs
;
1188 /* Used to determine if PT_GNU_EH_FRAME segment header should be
1190 asection
*eh_frame_hdr
;
1192 /* Used to determine if the e_flags field has been initialized */
1193 bfd_boolean flags_init
;
1195 /* Number of symbol version definitions we are about to emit. */
1196 unsigned int cverdefs
;
1198 /* Number of symbol version references we are about to emit. */
1199 unsigned int cverrefs
;
1201 /* Segment flags for the PT_GNU_STACK segment. */
1202 unsigned int stack_flags
;
1204 /* Symbol version definitions in external objects. */
1205 Elf_Internal_Verdef
*verdef
;
1207 /* Symbol version references to external objects. */
1208 Elf_Internal_Verneed
*verref
;
1210 /* The Irix 5 support uses two virtual sections, which represent
1211 text/data symbols defined in dynamic objects. */
1212 asymbol
*elf_data_symbol
;
1213 asymbol
*elf_text_symbol
;
1214 asection
*elf_data_section
;
1215 asection
*elf_text_section
;
1218 #define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data)
1219 #define elf_elfheader(bfd) (elf_tdata(bfd) -> elf_header)
1220 #define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr)
1221 #define elf_numsections(bfd) (elf_tdata(bfd) -> num_elf_sections)
1222 #define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr)
1223 #define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section)
1224 #define elf_symtab_shndx(bfd) (elf_tdata(bfd) -> symtab_shndx_section)
1225 #define elf_dynsymtab(bfd) (elf_tdata(bfd) -> dynsymtab_section)
1226 #define elf_dynversym(bfd) (elf_tdata(bfd) -> dynversym_section)
1227 #define elf_dynverdef(bfd) (elf_tdata(bfd) -> dynverdef_section)
1228 #define elf_dynverref(bfd) (elf_tdata(bfd) -> dynverref_section)
1229 #define elf_num_locals(bfd) (elf_tdata(bfd) -> num_locals)
1230 #define elf_num_globals(bfd) (elf_tdata(bfd) -> num_globals)
1231 #define elf_section_syms(bfd) (elf_tdata(bfd) -> section_syms)
1232 #define elf_num_section_syms(bfd) (elf_tdata(bfd) -> num_section_syms)
1233 #define core_prpsinfo(bfd) (elf_tdata(bfd) -> prpsinfo)
1234 #define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus)
1235 #define elf_gp(bfd) (elf_tdata(bfd) -> gp)
1236 #define elf_gp_size(bfd) (elf_tdata(bfd) -> gp_size)
1237 #define elf_sym_hashes(bfd) (elf_tdata(bfd) -> sym_hashes)
1238 #define elf_local_got_refcounts(bfd) (elf_tdata(bfd) -> local_got.refcounts)
1239 #define elf_local_got_offsets(bfd) (elf_tdata(bfd) -> local_got.offsets)
1240 #define elf_local_got_ents(bfd) (elf_tdata(bfd) -> local_got.ents)
1241 #define elf_dt_name(bfd) (elf_tdata(bfd) -> dt_name)
1242 #define elf_dt_soname(bfd) (elf_tdata(bfd) -> dt_soname)
1243 #define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab)
1244 #define elf_flags_init(bfd) (elf_tdata(bfd) -> flags_init)
1246 extern void _bfd_elf_swap_verdef_in
1247 PARAMS ((bfd
*, const Elf_External_Verdef
*, Elf_Internal_Verdef
*));
1248 extern void _bfd_elf_swap_verdef_out
1249 PARAMS ((bfd
*, const Elf_Internal_Verdef
*, Elf_External_Verdef
*));
1250 extern void _bfd_elf_swap_verdaux_in
1251 PARAMS ((bfd
*, const Elf_External_Verdaux
*, Elf_Internal_Verdaux
*));
1252 extern void _bfd_elf_swap_verdaux_out
1253 PARAMS ((bfd
*, const Elf_Internal_Verdaux
*, Elf_External_Verdaux
*));
1254 extern void _bfd_elf_swap_verneed_in
1255 PARAMS ((bfd
*, const Elf_External_Verneed
*, Elf_Internal_Verneed
*));
1256 extern void _bfd_elf_swap_verneed_out
1257 PARAMS ((bfd
*, const Elf_Internal_Verneed
*, Elf_External_Verneed
*));
1258 extern void _bfd_elf_swap_vernaux_in
1259 PARAMS ((bfd
*, const Elf_External_Vernaux
*, Elf_Internal_Vernaux
*));
1260 extern void _bfd_elf_swap_vernaux_out
1261 PARAMS ((bfd
*, const Elf_Internal_Vernaux
*, Elf_External_Vernaux
*));
1262 extern void _bfd_elf_swap_versym_in
1263 PARAMS ((bfd
*, const Elf_External_Versym
*, Elf_Internal_Versym
*));
1264 extern void _bfd_elf_swap_versym_out
1265 PARAMS ((bfd
*, const Elf_Internal_Versym
*, Elf_External_Versym
*));
1267 extern int _bfd_elf_section_from_bfd_section
1268 PARAMS ((bfd
*, asection
*));
1269 extern char *bfd_elf_string_from_elf_section
1270 PARAMS ((bfd
*, unsigned, unsigned));
1271 extern char *bfd_elf_get_str_section
1272 PARAMS ((bfd
*, unsigned));
1273 extern Elf_Internal_Sym
*bfd_elf_get_elf_syms
1274 PARAMS ((bfd
*, Elf_Internal_Shdr
*, size_t, size_t,
1275 Elf_Internal_Sym
*, PTR
, Elf_External_Sym_Shndx
*));
1276 extern const char *bfd_elf_local_sym_name
1277 PARAMS ((bfd
*, Elf_Internal_Sym
*));
1279 extern bfd_boolean _bfd_elf_copy_private_bfd_data
1280 PARAMS ((bfd
*, bfd
*));
1281 extern bfd_boolean _bfd_elf_print_private_bfd_data
1282 PARAMS ((bfd
*, PTR
));
1283 extern void bfd_elf_print_symbol
1284 PARAMS ((bfd
*, PTR
, asymbol
*, bfd_print_symbol_type
));
1286 #define elf_string_from_elf_strtab(abfd, strindex) \
1287 bfd_elf_string_from_elf_section(abfd, elf_elfheader(abfd)->e_shstrndx, \
1290 #define bfd_elf32_print_symbol bfd_elf_print_symbol
1291 #define bfd_elf64_print_symbol bfd_elf_print_symbol
1293 extern void _bfd_elf_sprintf_vma
1294 PARAMS ((bfd
*, char *, bfd_vma
));
1295 extern void _bfd_elf_fprintf_vma
1296 PARAMS ((bfd
*, PTR
, bfd_vma
));
1298 extern enum elf_reloc_type_class _bfd_elf_reloc_type_class
1299 PARAMS ((const Elf_Internal_Rela
*));
1300 extern bfd_vma _bfd_elf_rela_local_sym
1301 PARAMS ((bfd
*, Elf_Internal_Sym
*, asection
*, Elf_Internal_Rela
*));
1302 extern bfd_vma _bfd_elf_rel_local_sym
1303 PARAMS ((bfd
*, Elf_Internal_Sym
*, asection
**, bfd_vma
));
1304 extern bfd_vma _bfd_elf_section_offset
1305 PARAMS ((bfd
*, struct bfd_link_info
*, asection
*, bfd_vma
));
1307 extern unsigned long bfd_elf_hash
1308 PARAMS ((const char *));
1310 extern bfd_reloc_status_type bfd_elf_generic_reloc
1311 PARAMS ((bfd
*, arelent
*, asymbol
*, PTR
, asection
*, bfd
*, char **));
1312 extern bfd_boolean bfd_elf_mkobject
1314 extern bfd_boolean bfd_elf_mkcorefile
1316 extern Elf_Internal_Shdr
*bfd_elf_find_section
1317 PARAMS ((bfd
*, char *));
1318 extern bfd_boolean _bfd_elf_make_section_from_shdr
1319 PARAMS ((bfd
*, Elf_Internal_Shdr
*, const char *));
1320 extern bfd_boolean _bfd_elf_make_section_from_phdr
1321 PARAMS ((bfd
*, Elf_Internal_Phdr
*, int, const char *));
1322 extern struct bfd_hash_entry
*_bfd_elf_link_hash_newfunc
1323 PARAMS ((struct bfd_hash_entry
*, struct bfd_hash_table
*, const char *));
1324 extern struct bfd_link_hash_table
*_bfd_elf_link_hash_table_create
1326 extern void _bfd_elf_link_hash_copy_indirect
1327 PARAMS ((struct elf_backend_data
*, struct elf_link_hash_entry
*,
1328 struct elf_link_hash_entry
*));
1329 extern void _bfd_elf_link_hash_hide_symbol
1330 PARAMS ((struct bfd_link_info
*, struct elf_link_hash_entry
*, bfd_boolean
));
1331 extern bfd_boolean _bfd_elf_link_hash_table_init
1332 PARAMS ((struct elf_link_hash_table
*, bfd
*,
1333 struct bfd_hash_entry
*(*) (struct bfd_hash_entry
*,
1334 struct bfd_hash_table
*,
1336 extern bfd_boolean _bfd_elf_slurp_version_tables
1338 extern bfd_boolean _bfd_elf_merge_sections
1339 PARAMS ((bfd
*, struct bfd_link_info
*));
1340 extern bfd_boolean bfd_elf_discard_group
1341 PARAMS ((bfd
*, struct sec
*));
1342 extern void bfd_elf_set_group_contents
1343 PARAMS ((bfd
*, asection
*, PTR
));
1344 extern void _bfd_elf_link_just_syms
1345 PARAMS ((asection
*, struct bfd_link_info
*));
1346 extern bfd_boolean _bfd_elf_copy_private_symbol_data
1347 PARAMS ((bfd
*, asymbol
*, bfd
*, asymbol
*));
1348 extern bfd_boolean _bfd_elf_copy_private_section_data
1349 PARAMS ((bfd
*, asection
*, bfd
*, asection
*));
1350 extern bfd_boolean _bfd_elf_write_object_contents
1352 extern bfd_boolean _bfd_elf_write_corefile_contents
1354 extern bfd_boolean _bfd_elf_set_section_contents
1355 PARAMS ((bfd
*, sec_ptr
, PTR
, file_ptr
, bfd_size_type
));
1356 extern long _bfd_elf_get_symtab_upper_bound
1358 extern long _bfd_elf_get_symtab
1359 PARAMS ((bfd
*, asymbol
**));
1360 extern long _bfd_elf_get_dynamic_symtab_upper_bound
1362 extern long _bfd_elf_canonicalize_dynamic_symtab
1363 PARAMS ((bfd
*, asymbol
**));
1364 extern long _bfd_elf_get_reloc_upper_bound
1365 PARAMS ((bfd
*, sec_ptr
));
1366 extern long _bfd_elf_canonicalize_reloc
1367 PARAMS ((bfd
*, sec_ptr
, arelent
**, asymbol
**));
1368 extern long _bfd_elf_get_dynamic_reloc_upper_bound
1370 extern long _bfd_elf_canonicalize_dynamic_reloc
1371 PARAMS ((bfd
*, arelent
**, asymbol
**));
1372 extern asymbol
*_bfd_elf_make_empty_symbol
1374 extern void _bfd_elf_get_symbol_info
1375 PARAMS ((bfd
*, asymbol
*, symbol_info
*));
1376 extern bfd_boolean _bfd_elf_is_local_label_name
1377 PARAMS ((bfd
*, const char *));
1378 extern alent
*_bfd_elf_get_lineno
1379 PARAMS ((bfd
*, asymbol
*));
1380 extern bfd_boolean _bfd_elf_set_arch_mach
1381 PARAMS ((bfd
*, enum bfd_architecture
, unsigned long));
1382 extern bfd_boolean _bfd_elf_find_nearest_line
1383 PARAMS ((bfd
*, asection
*, asymbol
**, bfd_vma
, const char **,
1384 const char **, unsigned int *));
1385 #define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols
1386 #define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
1387 extern int _bfd_elf_sizeof_headers
1388 PARAMS ((bfd
*, bfd_boolean
));
1389 extern bfd_boolean _bfd_elf_new_section_hook
1390 PARAMS ((bfd
*, asection
*));
1391 extern bfd_boolean _bfd_elf_init_reloc_shdr
1392 PARAMS ((bfd
*, Elf_Internal_Shdr
*, asection
*, bfd_boolean
));
1393 extern bfd_boolean
_bfd_elf_get_sec_type_attr (bfd
*, const char *,
1396 /* If the target doesn't have reloc handling written yet: */
1397 extern void _bfd_elf_no_info_to_howto
1398 PARAMS ((bfd
*, arelent
*, Elf_Internal_Rela
*));
1400 extern bfd_boolean bfd_section_from_shdr
1401 PARAMS ((bfd
*, unsigned int shindex
));
1402 extern bfd_boolean bfd_section_from_phdr
1403 PARAMS ((bfd
*, Elf_Internal_Phdr
*, int));
1405 extern int _bfd_elf_symbol_from_bfd_symbol
1406 PARAMS ((bfd
*, asymbol
**));
1408 extern asection
*bfd_section_from_r_symndx
1409 PARAMS ((bfd
*, struct sym_sec_cache
*, asection
*, unsigned long));
1410 extern asection
*bfd_section_from_elf_index
1411 PARAMS ((bfd
*, unsigned int));
1412 extern struct bfd_strtab_hash
*_bfd_elf_stringtab_init
1415 extern struct elf_strtab_hash
* _bfd_elf_strtab_init
1417 extern void _bfd_elf_strtab_free
1418 PARAMS ((struct elf_strtab_hash
*));
1419 extern bfd_size_type _bfd_elf_strtab_add
1420 PARAMS ((struct elf_strtab_hash
*, const char *, bfd_boolean
));
1421 extern void _bfd_elf_strtab_addref
1422 PARAMS ((struct elf_strtab_hash
*, bfd_size_type
));
1423 extern void _bfd_elf_strtab_delref
1424 PARAMS ((struct elf_strtab_hash
*, bfd_size_type
));
1425 extern void _bfd_elf_strtab_clear_all_refs
1426 PARAMS ((struct elf_strtab_hash
*));
1427 extern bfd_size_type _bfd_elf_strtab_size
1428 PARAMS ((struct elf_strtab_hash
*));
1429 extern bfd_size_type _bfd_elf_strtab_offset
1430 PARAMS ((struct elf_strtab_hash
*, bfd_size_type
));
1431 extern bfd_boolean _bfd_elf_strtab_emit
1432 PARAMS ((bfd
*, struct elf_strtab_hash
*));
1433 extern void _bfd_elf_strtab_finalize
1434 PARAMS ((struct elf_strtab_hash
*));
1436 extern bfd_boolean _bfd_elf_discard_section_eh_frame
1437 PARAMS ((bfd
*, struct bfd_link_info
*, asection
*,
1438 bfd_boolean (*) (bfd_vma
, PTR
), struct elf_reloc_cookie
*));
1439 extern bfd_boolean _bfd_elf_discard_section_eh_frame_hdr
1440 PARAMS ((bfd
*, struct bfd_link_info
*));
1441 extern bfd_vma _bfd_elf_eh_frame_section_offset
1442 PARAMS ((bfd
*, asection
*, bfd_vma
));
1443 extern bfd_boolean _bfd_elf_write_section_eh_frame
1444 PARAMS ((bfd
*, struct bfd_link_info
*, asection
*, bfd_byte
*));
1445 extern bfd_boolean _bfd_elf_write_section_eh_frame_hdr
1446 PARAMS ((bfd
*, struct bfd_link_info
*));
1447 extern bfd_boolean _bfd_elf_maybe_strip_eh_frame_hdr
1448 PARAMS ((struct bfd_link_info
*));
1450 extern bfd_boolean _bfd_elf_merge_symbol
1451 PARAMS ((bfd
*, struct bfd_link_info
*, const char *,
1452 Elf_Internal_Sym
*, asection
**, bfd_vma
*,
1453 struct elf_link_hash_entry
**, bfd_boolean
*, bfd_boolean
*,
1454 bfd_boolean
*, bfd_boolean
*, bfd_boolean
));
1456 extern bfd_boolean _bfd_elf_add_default_symbol
1457 PARAMS ((bfd
*, struct bfd_link_info
*, struct elf_link_hash_entry
*,
1458 const char *, Elf_Internal_Sym
*, asection
**, bfd_vma
*,
1459 bfd_boolean
*, bfd_boolean
, bfd_boolean
));
1461 extern bfd_boolean _bfd_elf_export_symbol
1462 PARAMS ((struct elf_link_hash_entry
*, PTR
));
1464 extern bfd_boolean _bfd_elf_link_find_version_dependencies
1465 PARAMS ((struct elf_link_hash_entry
*, PTR
));
1467 extern bfd_boolean _bfd_elf_link_assign_sym_version
1468 PARAMS ((struct elf_link_hash_entry
*, PTR
));
1470 extern bfd_boolean _bfd_elf_link_record_dynamic_symbol
1471 PARAMS ((struct bfd_link_info
*, struct elf_link_hash_entry
*));
1472 extern long _bfd_elf_link_lookup_local_dynindx
1473 PARAMS ((struct bfd_link_info
*, bfd
*, long));
1474 extern bfd_boolean _bfd_elf_compute_section_file_positions
1475 PARAMS ((bfd
*, struct bfd_link_info
*));
1476 extern void _bfd_elf_assign_file_positions_for_relocs
1478 extern file_ptr _bfd_elf_assign_file_position_for_section
1479 PARAMS ((Elf_Internal_Shdr
*, file_ptr
, bfd_boolean
));
1481 extern bfd_boolean _bfd_elf_validate_reloc
1482 PARAMS ((bfd
*, arelent
*));
1484 extern bfd_boolean _bfd_elf_link_create_dynamic_sections
1485 PARAMS ((bfd
*, struct bfd_link_info
*));
1486 extern bfd_boolean _bfd_elf_create_dynamic_sections
1487 PARAMS ((bfd
*, struct bfd_link_info
*));
1488 extern bfd_boolean _bfd_elf_create_got_section
1489 PARAMS ((bfd
*, struct bfd_link_info
*));
1490 extern unsigned long _bfd_elf_link_renumber_dynsyms
1491 PARAMS ((bfd
*, struct bfd_link_info
*));
1493 extern bfd_boolean _bfd_elfcore_make_pseudosection
1494 PARAMS ((bfd
*, char *, size_t, ufile_ptr
));
1495 extern char *_bfd_elfcore_strndup
1496 PARAMS ((bfd
*, char *, size_t));
1498 extern Elf_Internal_Rela
*_bfd_elf_link_read_relocs
1499 PARAMS ((bfd
*, asection
*, PTR
, Elf_Internal_Rela
*, bfd_boolean
));
1501 extern bfd_boolean _bfd_elf_link_size_reloc_section
1502 PARAMS ((bfd
*, Elf_Internal_Shdr
*, asection
*));
1504 extern bfd_boolean _bfd_elf_link_output_relocs
1505 PARAMS ((bfd
*, asection
*, Elf_Internal_Shdr
*, Elf_Internal_Rela
*));
1507 extern bfd_boolean _bfd_elf_fix_symbol_flags
1508 PARAMS ((struct elf_link_hash_entry
*, struct elf_info_failed
*));
1510 extern bfd_boolean _bfd_elf_adjust_dynamic_symbol
1511 PARAMS ((struct elf_link_hash_entry
*, PTR
));
1513 extern bfd_boolean _bfd_elf_link_sec_merge_syms
1514 PARAMS ((struct elf_link_hash_entry
*, PTR
));
1516 extern bfd_boolean _bfd_elf_dynamic_symbol_p
1517 PARAMS ((struct elf_link_hash_entry
*, struct bfd_link_info
*, bfd_boolean
));
1519 extern bfd_boolean _bfd_elf_symbol_refs_local_p
1520 PARAMS ((struct elf_link_hash_entry
*, struct bfd_link_info
*, bfd_boolean
));
1522 extern const bfd_target
*bfd_elf32_object_p
1524 extern const bfd_target
*bfd_elf32_core_file_p
1526 extern char *bfd_elf32_core_file_failing_command
1528 extern int bfd_elf32_core_file_failing_signal
1530 extern bfd_boolean bfd_elf32_core_file_matches_executable_p
1531 PARAMS ((bfd
*, bfd
*));
1533 extern bfd_boolean bfd_elf32_bfd_link_add_symbols
1534 PARAMS ((bfd
*, struct bfd_link_info
*));
1535 extern bfd_boolean bfd_elf32_bfd_final_link
1536 PARAMS ((bfd
*, struct bfd_link_info
*));
1538 extern void bfd_elf32_swap_symbol_in
1539 PARAMS ((bfd
*, const PTR
, const PTR
, Elf_Internal_Sym
*));
1540 extern void bfd_elf32_swap_symbol_out
1541 PARAMS ((bfd
*, const Elf_Internal_Sym
*, PTR
, PTR
));
1542 extern void bfd_elf32_swap_reloc_in
1543 PARAMS ((bfd
*, const bfd_byte
*, Elf_Internal_Rela
*));
1544 extern void bfd_elf32_swap_reloc_out
1545 PARAMS ((bfd
*, const Elf_Internal_Rela
*, bfd_byte
*));
1546 extern void bfd_elf32_swap_reloca_in
1547 PARAMS ((bfd
*, const bfd_byte
*, Elf_Internal_Rela
*));
1548 extern void bfd_elf32_swap_reloca_out
1549 PARAMS ((bfd
*, const Elf_Internal_Rela
*, bfd_byte
*));
1550 extern void bfd_elf32_swap_phdr_in
1551 PARAMS ((bfd
*, const Elf32_External_Phdr
*, Elf_Internal_Phdr
*));
1552 extern void bfd_elf32_swap_phdr_out
1553 PARAMS ((bfd
*, const Elf_Internal_Phdr
*, Elf32_External_Phdr
*));
1554 extern void bfd_elf32_swap_dyn_in
1555 PARAMS ((bfd
*, const PTR
, Elf_Internal_Dyn
*));
1556 extern void bfd_elf32_swap_dyn_out
1557 PARAMS ((bfd
*, const Elf_Internal_Dyn
*, PTR
));
1558 extern long bfd_elf32_slurp_symbol_table
1559 PARAMS ((bfd
*, asymbol
**, bfd_boolean
));
1560 extern bfd_boolean bfd_elf32_write_shdrs_and_ehdr
1562 extern int bfd_elf32_write_out_phdrs
1563 PARAMS ((bfd
*, const Elf_Internal_Phdr
*, unsigned int));
1564 extern void bfd_elf32_write_relocs
1565 PARAMS ((bfd
*, asection
*, PTR
));
1566 extern bfd_boolean bfd_elf32_slurp_reloc_table
1567 PARAMS ((bfd
*, asection
*, asymbol
**, bfd_boolean
));
1568 extern bfd_boolean bfd_elf32_add_dynamic_entry
1569 PARAMS ((struct bfd_link_info
*, bfd_vma
, bfd_vma
));
1571 extern const bfd_target
*bfd_elf64_object_p
1573 extern const bfd_target
*bfd_elf64_core_file_p
1575 extern char *bfd_elf64_core_file_failing_command
1577 extern int bfd_elf64_core_file_failing_signal
1579 extern bfd_boolean bfd_elf64_core_file_matches_executable_p
1580 PARAMS ((bfd
*, bfd
*));
1581 extern bfd_boolean bfd_elf64_bfd_link_add_symbols
1582 PARAMS ((bfd
*, struct bfd_link_info
*));
1583 extern bfd_boolean bfd_elf64_bfd_final_link
1584 PARAMS ((bfd
*, struct bfd_link_info
*));
1586 extern void bfd_elf64_swap_symbol_in
1587 PARAMS ((bfd
*, const PTR
, const PTR
, Elf_Internal_Sym
*));
1588 extern void bfd_elf64_swap_symbol_out
1589 PARAMS ((bfd
*, const Elf_Internal_Sym
*, PTR
, PTR
));
1590 extern void bfd_elf64_swap_reloc_in
1591 PARAMS ((bfd
*, const bfd_byte
*, Elf_Internal_Rela
*));
1592 extern void bfd_elf64_swap_reloc_out
1593 PARAMS ((bfd
*, const Elf_Internal_Rela
*, bfd_byte
*));
1594 extern void bfd_elf64_swap_reloca_in
1595 PARAMS ((bfd
*, const bfd_byte
*, Elf_Internal_Rela
*));
1596 extern void bfd_elf64_swap_reloca_out
1597 PARAMS ((bfd
*, const Elf_Internal_Rela
*, bfd_byte
*));
1598 extern void bfd_elf64_swap_phdr_in
1599 PARAMS ((bfd
*, const Elf64_External_Phdr
*, Elf_Internal_Phdr
*));
1600 extern void bfd_elf64_swap_phdr_out
1601 PARAMS ((bfd
*, const Elf_Internal_Phdr
*, Elf64_External_Phdr
*));
1602 extern void bfd_elf64_swap_dyn_in
1603 PARAMS ((bfd
*, const PTR
, Elf_Internal_Dyn
*));
1604 extern void bfd_elf64_swap_dyn_out
1605 PARAMS ((bfd
*, const Elf_Internal_Dyn
*, PTR
));
1606 extern long bfd_elf64_slurp_symbol_table
1607 PARAMS ((bfd
*, asymbol
**, bfd_boolean
));
1608 extern bfd_boolean bfd_elf64_write_shdrs_and_ehdr
1610 extern int bfd_elf64_write_out_phdrs
1611 PARAMS ((bfd
*, const Elf_Internal_Phdr
*, unsigned int));
1612 extern void bfd_elf64_write_relocs
1613 PARAMS ((bfd
*, asection
*, PTR
));
1614 extern bfd_boolean bfd_elf64_slurp_reloc_table
1615 PARAMS ((bfd
*, asection
*, asymbol
**, bfd_boolean
));
1616 extern bfd_boolean bfd_elf64_add_dynamic_entry
1617 PARAMS ((struct bfd_link_info
*, bfd_vma
, bfd_vma
));
1619 #define bfd_elf32_link_record_dynamic_symbol \
1620 _bfd_elf_link_record_dynamic_symbol
1621 #define bfd_elf64_link_record_dynamic_symbol \
1622 _bfd_elf_link_record_dynamic_symbol
1624 extern int elf_link_record_local_dynamic_symbol
1625 PARAMS ((struct bfd_link_info
*, bfd
*, long));
1626 #define _bfd_elf32_link_record_local_dynamic_symbol \
1627 elf_link_record_local_dynamic_symbol
1628 #define _bfd_elf64_link_record_local_dynamic_symbol \
1629 elf_link_record_local_dynamic_symbol
1631 extern bfd_boolean _bfd_elf_close_and_cleanup
1633 extern bfd_reloc_status_type _bfd_elf_rel_vtable_reloc_fn
1634 PARAMS ((bfd
*, arelent
*, struct symbol_cache_entry
*, PTR
,
1635 asection
*, bfd
*, char **));
1637 extern bfd_boolean _bfd_elf32_gc_sections
1638 PARAMS ((bfd
*, struct bfd_link_info
*));
1639 extern bfd_boolean _bfd_elf32_gc_common_finalize_got_offsets
1640 PARAMS ((bfd
*, struct bfd_link_info
*));
1641 extern bfd_boolean _bfd_elf32_gc_common_final_link
1642 PARAMS ((bfd
*, struct bfd_link_info
*));
1643 extern bfd_boolean _bfd_elf32_gc_record_vtinherit
1644 PARAMS ((bfd
*, asection
*, struct elf_link_hash_entry
*, bfd_vma
));
1645 extern bfd_boolean _bfd_elf32_gc_record_vtentry
1646 PARAMS ((bfd
*, asection
*, struct elf_link_hash_entry
*, bfd_vma
));
1648 extern bfd_boolean _bfd_elf64_gc_sections
1649 PARAMS ((bfd
*, struct bfd_link_info
*));
1650 extern bfd_boolean _bfd_elf64_gc_common_finalize_got_offsets
1651 PARAMS ((bfd
*, struct bfd_link_info
*));
1652 extern bfd_boolean _bfd_elf64_gc_common_final_link
1653 PARAMS ((bfd
*, struct bfd_link_info
*));
1654 extern bfd_boolean _bfd_elf64_gc_record_vtinherit
1655 PARAMS ((bfd
*, asection
*, struct elf_link_hash_entry
*, bfd_vma
));
1656 extern bfd_boolean _bfd_elf64_gc_record_vtentry
1657 PARAMS ((bfd
*, asection
*, struct elf_link_hash_entry
*, bfd_vma
));
1659 extern bfd_boolean _bfd_elf32_reloc_symbol_deleted_p
1660 PARAMS ((bfd_vma
, PTR
));
1661 extern bfd_boolean _bfd_elf64_reloc_symbol_deleted_p
1662 PARAMS ((bfd_vma
, PTR
));
1664 /* Exported interface for writing elf corefile notes. */
1665 extern char *elfcore_write_note
1666 PARAMS ((bfd
*, char *, int *, const char *, int, const PTR
, int));
1667 extern char *elfcore_write_prpsinfo
1668 PARAMS ((bfd
*, char *, int *, const char *, const char *));
1669 extern char *elfcore_write_prstatus
1670 PARAMS ((bfd
*, char *, int *, long, int, const PTR
));
1671 extern char * elfcore_write_pstatus
1672 PARAMS ((bfd
*, char *, int *, long, int, const PTR
));
1673 extern char *elfcore_write_prfpreg
1674 PARAMS ((bfd
*, char *, int *, const PTR
, int));
1675 extern char *elfcore_write_prxfpreg
1676 PARAMS ((bfd
*, char *, int *, const PTR
, int));
1677 extern char *elfcore_write_lwpstatus
1678 PARAMS ((bfd
*, char *, int *, long, int, const PTR
));
1680 extern bfd
*_bfd_elf32_bfd_from_remote_memory
1681 PARAMS ((bfd
*templ
, bfd_vma ehdr_vma
, bfd_vma
*loadbasep
,
1682 int (*target_read_memory
) (bfd_vma
, char *, int)));
1683 extern bfd
*_bfd_elf64_bfd_from_remote_memory
1684 PARAMS ((bfd
*templ
, bfd_vma ehdr_vma
, bfd_vma
*loadbasep
,
1685 int (*target_read_memory
) (bfd_vma
, char *, int)));
1687 /* SH ELF specific routine. */
1689 extern bfd_boolean _sh_elf_set_mach_from_flags
1692 #endif /* _LIBELF_H_ */