1 /* BFD back-end data structures for ELF files.
2 Copyright (C) 1992, 93, 94, 95, 96, 97, 1998 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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
;
66 /* Version information. This is from an Elf_Internal_Versym
67 structure in a SHT_GNU_versym section. It is zero if there is no
68 version information. */
69 unsigned short version
;
73 /* ELF linker hash table entries. */
75 struct elf_link_hash_entry
77 struct bfd_link_hash_entry root
;
79 /* Symbol index in output file. This is initialized to -1. It is
80 set to -2 if the symbol is used by a reloc. */
86 /* Symbol index as a dynamic symbol. Initialized to -1, and remains
87 -1 if this is not a dynamic symbol. */
90 /* String table index in .dynstr if this is a dynamic symbol. */
91 unsigned long dynstr_index
;
93 /* If this is a weak defined symbol from a dynamic object, this
94 field points to a defined symbol with the same value, if there is
95 one. Otherwise it is NULL. */
96 struct elf_link_hash_entry
*weakdef
;
98 /* If this symbol requires an entry in the global offset table, the
99 processor specific backend uses this field to track usage and
100 final offset. We use a union and two names primarily to document
101 the intent of any particular piece of code. The field should be
102 used as a count until size_dynamic_sections, at which point the
103 contents of the .got is fixed. Afterward, if this field is -1,
104 then the symbol does not require a global offset table entry. */
107 bfd_signed_vma refcount
;
111 /* Same, but tracks a procedure linkage table entry. */
114 bfd_signed_vma refcount
;
118 /* If this symbol is used in the linker created sections, the processor
119 specific backend uses this field to map the field into the offset
120 from the beginning of the section. */
121 struct elf_linker_section_pointers
*linker_section_pointer
;
123 /* Version information. */
126 /* This field is used for a symbol which is not defined in a
127 regular object. It points to the version information read in
128 from the dynamic object. */
129 Elf_Internal_Verdef
*verdef
;
130 /* This field is used for a symbol which is defined in a regular
131 object. It is set up in size_dynamic_sections. It points to
132 the version information we should write out for this symbol. */
133 struct bfd_elf_version_tree
*vertree
;
136 /* Virtual table entry use information. This array is of size
137 size/sizeof(target_void_pointer), and indexed via
138 offset/sizeof(void*) as well. */
139 boolean
*vtable_entries_used
;
141 /* Virtual table derivation info. */
142 struct elf_link_hash_entry
*vtable_parent
;
144 /* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */
147 /* Symbol st_other value. */
150 /* Some flags; legal values follow. */
151 unsigned short elf_link_hash_flags
;
152 /* Symbol is referenced by a non-shared object. */
153 #define ELF_LINK_HASH_REF_REGULAR 01
154 /* Symbol is defined by a non-shared object. */
155 #define ELF_LINK_HASH_DEF_REGULAR 02
156 /* Symbol is referenced by a shared object. */
157 #define ELF_LINK_HASH_REF_DYNAMIC 04
158 /* Symbol is defined by a shared object. */
159 #define ELF_LINK_HASH_DEF_DYNAMIC 010
160 /* Dynamic symbol has been adjustd. */
161 #define ELF_LINK_HASH_DYNAMIC_ADJUSTED 020
162 /* Symbol needs a copy reloc. */
163 #define ELF_LINK_HASH_NEEDS_COPY 040
164 /* Symbol needs a procedure linkage table entry. */
165 #define ELF_LINK_HASH_NEEDS_PLT 0100
166 /* Symbol appears in a non-ELF input file. */
167 #define ELF_LINK_NON_ELF 0200
168 /* Symbol should be marked as hidden in the version information. */
169 #define ELF_LINK_HIDDEN 0400
170 /* Symbol was forced to local scope due to a version script file. */
171 #define ELF_LINK_FORCED_LOCAL 01000
172 /* Symbol was marked during garbage collection. */
173 #define ELF_LINK_HASH_MARK 02000
176 /* ELF linker hash table. */
178 struct elf_link_hash_table
180 struct bfd_link_hash_table root
;
181 /* Whether we have created the special dynamic sections required
182 when linking against or generating a shared object. */
183 boolean dynamic_sections_created
;
184 /* The BFD used to hold special sections created by the linker.
185 This will be the first BFD found which requires these sections to
188 /* The number of symbols found in the link which must be put into
189 the .dynsym section. */
190 bfd_size_type dynsymcount
;
191 /* The string table of dynamic symbols, which becomes the .dynstr
193 struct bfd_strtab_hash
*dynstr
;
194 /* The number of buckets in the hash table in the .hash section.
195 This is based on the number of dynamic symbols. */
196 bfd_size_type bucketcount
;
197 /* A linked list of DT_NEEDED names found in dynamic objects
198 included in the link. */
199 struct bfd_link_needed_list
*needed
;
200 /* The _GLOBAL_OFFSET_TABLE_ symbol. */
201 struct elf_link_hash_entry
*hgot
;
202 /* A pointer to information used to link stabs in sections. */
206 /* Look up an entry in an ELF linker hash table. */
208 #define elf_link_hash_lookup(table, string, create, copy, follow) \
209 ((struct elf_link_hash_entry *) \
210 bfd_link_hash_lookup (&(table)->root, (string), (create), \
213 /* Traverse an ELF linker hash table. */
215 #define elf_link_hash_traverse(table, func, info) \
216 (bfd_link_hash_traverse \
218 (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
221 /* Get the ELF linker hash table from a link_info structure. */
223 #define elf_hash_table(p) ((struct elf_link_hash_table *) ((p)->hash))
225 /* Constant information held for an ELF backend. */
227 struct elf_size_info
{
228 unsigned char sizeof_ehdr
, sizeof_phdr
, sizeof_shdr
;
229 unsigned char sizeof_rel
, sizeof_rela
, sizeof_sym
, sizeof_dyn
, sizeof_note
;
231 unsigned char arch_size
, file_align
;
232 unsigned char elfclass
, ev_current
;
233 int (*write_out_phdrs
) PARAMS ((bfd
*, const Elf_Internal_Phdr
*, int));
234 boolean (*write_shdrs_and_ehdr
) PARAMS ((bfd
*));
235 void (*write_relocs
) PARAMS ((bfd
*, asection
*, PTR
));
236 void (*swap_symbol_out
) PARAMS ((bfd
*, const Elf_Internal_Sym
*, PTR
));
237 boolean (*slurp_reloc_table
)
238 PARAMS ((bfd
*, asection
*, asymbol
**, boolean
));
239 long (*slurp_symbol_table
) PARAMS ((bfd
*, asymbol
**, boolean
));
240 void (*swap_dyn_in
) PARAMS ((bfd
*, const PTR
, Elf_Internal_Dyn
*));
243 #define elf_symbol_from(ABFD,S) \
244 (((S)->the_bfd->xvec->flavour == bfd_target_elf_flavour \
245 && (S)->the_bfd->tdata.elf_obj_data != 0) \
246 ? (elf_symbol_type *) (S) \
249 struct elf_backend_data
251 /* Whether the backend uses REL or RELA relocations. FIXME: some
252 ELF backends use both. When we need to support one, this whole
253 approach will need to be changed. */
256 /* The architecture for this backend. */
257 enum bfd_architecture arch
;
259 /* The ELF machine code (EM_xxxx) for this backend. */
260 int elf_machine_code
;
262 /* The maximum page size for this backend. */
265 /* This is true if the linker should act like collect and gather
266 global constructors and destructors by name. This is true for
267 MIPS ELF because the Irix 5 tools can not handle the .init
271 /* This is true if the linker should ignore changes to the type of a
272 symbol. This is true for MIPS ELF because some Irix 5 objects
273 record undefined functions as STT_OBJECT although the definitions
275 boolean type_change_ok
;
277 /* A function to translate an ELF RELA relocation to a BFD arelent
279 void (*elf_info_to_howto
) PARAMS ((bfd
*, arelent
*,
280 Elf_Internal_Rela
*));
282 /* A function to translate an ELF REL relocation to a BFD arelent
284 void (*elf_info_to_howto_rel
) PARAMS ((bfd
*, arelent
*,
285 Elf_Internal_Rel
*));
287 /* A function to determine whether a symbol is global when
288 partitioning the symbol table into local and global symbols.
289 This should be NULL for most targets, in which case the correct
290 thing will be done. MIPS ELF, at least on the Irix 5, has
291 special requirements. */
292 boolean (*elf_backend_sym_is_global
) PARAMS ((bfd
*, asymbol
*));
294 /* The remaining functions are hooks which are called only if they
297 /* A function to permit a backend specific check on whether a
298 particular BFD format is relevant for an object file, and to
299 permit the backend to set any global information it wishes. When
300 this is called elf_elfheader is set, but anything else should be
301 used with caution. If this returns false, the check_format
302 routine will return a bfd_error_wrong_format error. */
303 boolean (*elf_backend_object_p
) PARAMS ((bfd
*));
305 /* A function to do additional symbol processing when reading the
306 ELF symbol table. This is where any processor-specific special
307 section indices are handled. */
308 void (*elf_backend_symbol_processing
) PARAMS ((bfd
*, asymbol
*));
310 /* A function to do additional symbol processing after reading the
311 entire ELF symbol table. */
312 boolean (*elf_backend_symbol_table_processing
) PARAMS ((bfd
*,
316 /* A function to do additional processing on the ELF section header
317 just before writing it out. This is used to set the flags and
318 type fields for some sections, or to actually write out data for
320 boolean (*elf_backend_section_processing
) PARAMS ((bfd
*,
321 Elf32_Internal_Shdr
*));
323 /* A function to handle unusual section types when creating BFD
324 sections from ELF sections. */
325 boolean (*elf_backend_section_from_shdr
) PARAMS ((bfd
*,
326 Elf32_Internal_Shdr
*,
329 /* A function to set up the ELF section header for a BFD section in
330 preparation for writing it out. This is where the flags and type
331 fields are set for unusual sections. */
332 boolean (*elf_backend_fake_sections
) PARAMS ((bfd
*, Elf32_Internal_Shdr
*,
335 /* A function to get the ELF section index for a BFD section. If
336 this returns true, the section was found. If it is a normal ELF
337 section, *RETVAL should be left unchanged. If it is not a normal
338 ELF section *RETVAL should be set to the SHN_xxxx index. */
339 boolean (*elf_backend_section_from_bfd_section
)
340 PARAMS ((bfd
*, Elf32_Internal_Shdr
*, asection
*, int *retval
));
342 /* If this field is not NULL, it is called by the add_symbols phase
343 of a link just before adding a symbol to the global linker hash
344 table. It may modify any of the fields as it wishes. If *NAME
345 is set to NULL, the symbol will be skipped rather than being
346 added to the hash table. This function is responsible for
347 handling all processor dependent symbol bindings and section
348 indices, and must set at least *FLAGS and *SEC for each processor
349 dependent case; failure to do so will cause a link error. */
350 boolean (*elf_add_symbol_hook
)
351 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
,
352 const Elf_Internal_Sym
*, const char **name
,
353 flagword
*flags
, asection
**sec
, bfd_vma
*value
));
355 /* If this field is not NULL, it is called by the elf_link_output_sym
356 phase of a link for each symbol which will appear in the object file. */
357 boolean (*elf_backend_link_output_symbol_hook
)
358 PARAMS ((bfd
*, struct bfd_link_info
*info
, const char *,
359 Elf_Internal_Sym
*, asection
*));
361 /* The CREATE_DYNAMIC_SECTIONS function is called by the ELF backend
362 linker the first time it encounters a dynamic object in the link.
363 This function must create any sections required for dynamic
364 linking. The ABFD argument is a dynamic object. The .interp,
365 .dynamic, .dynsym, .dynstr, and .hash functions have already been
366 created, and this function may modify the section flags if
367 desired. This function will normally create the .got and .plt
368 sections, but different backends have different requirements. */
369 boolean (*elf_backend_create_dynamic_sections
)
370 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
));
372 /* The CHECK_RELOCS function is called by the add_symbols phase of
373 the ELF backend linker. It is called once for each section with
374 relocs of an object file, just after the symbols for the object
375 file have been added to the global linker hash table. The
376 function must look through the relocs and do any special handling
377 required. This generally means allocating space in the global
378 offset table, and perhaps allocating space for a reloc. The
379 relocs are always passed as Rela structures; if the section
380 actually uses Rel structures, the r_addend field will always be
382 boolean (*check_relocs
)
383 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
, asection
*o
,
384 const Elf_Internal_Rela
*relocs
));
386 /* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend
387 linker for every symbol which is defined by a dynamic object and
388 referenced by a regular object. This is called after all the
389 input files have been seen, but before the SIZE_DYNAMIC_SECTIONS
390 function has been called. The hash table entry should be
391 bfd_link_hash_defined ore bfd_link_hash_defweak, and it should be
392 defined in a section from a dynamic object. Dynamic object
393 sections are not included in the final link, and this function is
394 responsible for changing the value to something which the rest of
395 the link can deal with. This will normally involve adding an
396 entry to the .plt or .got or some such section, and setting the
397 symbol to point to that. */
398 boolean (*elf_backend_adjust_dynamic_symbol
)
399 PARAMS ((struct bfd_link_info
*info
, struct elf_link_hash_entry
*h
));
401 /* The ALWAYS_SIZE_SECTIONS function is called by the backend linker
402 after all the linker input files have been seen but before the
403 section sizes have been set. This is called after
404 ADJUST_DYNAMIC_SYMBOL, but before SIZE_DYNAMIC_SECTIONS. */
405 boolean (*elf_backend_always_size_sections
)
406 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
));
408 /* The SIZE_DYNAMIC_SECTIONS function is called by the ELF backend
409 linker after all the linker input files have been seen but before
410 the sections sizes have been set. This is called after
411 ADJUST_DYNAMIC_SYMBOL has been called on all appropriate symbols.
412 It is only called when linking against a dynamic object. It must
413 set the sizes of the dynamic sections, and may fill in their
414 contents as well. The generic ELF linker can handle the .dynsym,
415 .dynstr and .hash sections. This function must handle the
416 .interp section and any sections created by the
417 CREATE_DYNAMIC_SECTIONS entry point. */
418 boolean (*elf_backend_size_dynamic_sections
)
419 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
));
421 /* The RELOCATE_SECTION function is called by the ELF backend linker
422 to handle the relocations for a section.
424 The relocs are always passed as Rela structures; if the section
425 actually uses Rel structures, the r_addend field will always be
428 This function is responsible for adjust the section contents as
429 necessary, and (if using Rela relocs and generating a
430 relocateable output file) adjusting the reloc addend as
433 This function does not have to worry about setting the reloc
434 address or the reloc symbol index.
436 LOCAL_SYMS is a pointer to the swapped in local symbols.
438 LOCAL_SECTIONS is an array giving the section in the input file
439 corresponding to the st_shndx field of each local symbol.
441 The global hash table entry for the global symbols can be found
442 via elf_sym_hashes (input_bfd).
444 When generating relocateable output, this function must handle
445 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
446 going to be the section symbol corresponding to the output
447 section, which means that the addend must be adjusted
449 boolean (*elf_backend_relocate_section
)
450 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
,
451 bfd
*input_bfd
, asection
*input_section
, bfd_byte
*contents
,
452 Elf_Internal_Rela
*relocs
, Elf_Internal_Sym
*local_syms
,
453 asection
**local_sections
));
455 /* The FINISH_DYNAMIC_SYMBOL function is called by the ELF backend
456 linker just before it writes a symbol out to the .dynsym section.
457 The processor backend may make any required adjustment to the
458 symbol. It may also take the opportunity to set contents of the
459 dynamic sections. Note that FINISH_DYNAMIC_SYMBOL is called on
460 all .dynsym symbols, while ADJUST_DYNAMIC_SYMBOL is only called
461 on those symbols which are defined by a dynamic object. */
462 boolean (*elf_backend_finish_dynamic_symbol
)
463 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
,
464 struct elf_link_hash_entry
*h
, Elf_Internal_Sym
*sym
));
466 /* The FINISH_DYNAMIC_SECTIONS function is called by the ELF backend
467 linker just before it writes all the dynamic sections out to the
468 output file. The FINISH_DYNAMIC_SYMBOL will have been called on
469 all dynamic symbols. */
470 boolean (*elf_backend_finish_dynamic_sections
)
471 PARAMS ((bfd
*output_bfd
, struct bfd_link_info
*info
));
473 /* A function to do any beginning processing needed for the ELF file
474 before building the ELF headers and computing file positions. */
475 void (*elf_backend_begin_write_processing
)
476 PARAMS ((bfd
*, struct bfd_link_info
*));
478 /* A function to do any final processing needed for the ELF file
479 before writing it out. The LINKER argument is true if this BFD
480 was created by the ELF backend linker. */
481 void (*elf_backend_final_write_processing
)
482 PARAMS ((bfd
*, boolean linker
));
484 /* This function is called by get_program_header_size. It should
485 return the number of additional program segments which this BFD
486 will need. It should return -1 on error. */
487 int (*elf_backend_additional_program_headers
) PARAMS ((bfd
*));
489 /* This function is called to modify an existing segment map in a
490 backend specific fashion. */
491 boolean (*elf_backend_modify_segment_map
) PARAMS ((bfd
*));
493 /* This function is called during section gc to discover the section a
494 particular relocation refers to. It need not be defined for hosts
495 that have no queer relocation types. */
496 asection
* (*gc_mark_hook
)
497 PARAMS ((bfd
*abfd
, struct bfd_link_info
*, Elf_Internal_Rela
*,
498 struct elf_link_hash_entry
*h
, Elf_Internal_Sym
*));
500 /* This function, if defined, is called during the sweep phase of gc
501 in order that a backend might update any data structures it might
503 boolean (*gc_sweep_hook
)
504 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
, asection
*o
,
505 const Elf_Internal_Rela
*relocs
));
507 /* The swapping table to use when dealing with ECOFF information.
508 Used for the MIPS ELF .mdebug section. */
509 const struct ecoff_debug_swap
*elf_backend_ecoff_debug_swap
;
511 /* Alternate EM_xxxx machine codes for this backend. */
512 int elf_machine_alt1
;
513 int elf_machine_alt2
;
515 const struct elf_size_info
*s
;
517 /* offset of the _GLOBAL_OFFSET_TABLE_ symbol from the start of the
519 bfd_vma got_symbol_offset
;
521 /* The size in bytes of the headers for the GOT and PLT. This includes
522 the so-called reserved entries on some systems. */
523 bfd_vma got_header_size
;
524 bfd_vma plt_header_size
;
526 unsigned want_got_plt
: 1;
527 unsigned plt_readonly
: 1;
528 unsigned want_plt_sym
: 1;
529 unsigned plt_not_loaded
: 1;
530 unsigned plt_alignment
: 4;
531 unsigned can_gc_sections
: 1;
534 /* Information stored for each BFD section in an ELF file. This
535 structure is allocated by elf_new_section_hook. */
537 struct bfd_elf_section_data
539 /* The ELF header for this section. */
540 Elf_Internal_Shdr this_hdr
;
541 /* The ELF header for the reloc section associated with this
543 Elf_Internal_Shdr rel_hdr
;
544 /* If there is a second reloc section associated with this section,
545 as can happen on Irix 6, this field points to the header. */
546 Elf_Internal_Shdr
*rel_hdr2
;
547 /* The ELF section number of this section. Only used for an output
550 /* The ELF section number of the reloc section associated with this
551 section, if any. Only used for an output file. */
553 /* Used by the backend linker to store the symbol hash table entries
554 associated with relocs against global symbols. */
555 struct elf_link_hash_entry
**rel_hashes
;
556 /* A pointer to the swapped relocs. If the section uses REL relocs,
557 rather than RELA, all the r_addend fields will be zero. This
558 pointer may be NULL. It is used by the backend linker. */
559 Elf_Internal_Rela
*relocs
;
560 /* Used by the backend linker when generating a shared library to
561 record the dynamic symbol index for a section symbol
562 corresponding to this section. */
564 /* A pointer used for .stab linking optimizations. */
566 /* A pointer available for the processor specific ELF backend. */
570 #define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd)
572 #define get_elf_backend_data(abfd) \
573 ((struct elf_backend_data *) (abfd)->xvec->backend_data)
575 /* Enumeration to specify the special section. */
576 typedef enum elf_linker_section_enum
578 LINKER_SECTION_UNKNOWN
, /* not used */
579 LINKER_SECTION_GOT
, /* .got section for global offset pointers */
580 LINKER_SECTION_PLT
, /* .plt section for generated procedure stubs */
581 LINKER_SECTION_SDATA
, /* .sdata/.sbss section for PowerPC */
582 LINKER_SECTION_SDATA2
, /* .sdata2/.sbss2 section for PowerPC */
583 LINKER_SECTION_MAX
/* # of linker sections */
584 } elf_linker_section_enum_t
;
586 /* Sections created by the linker. */
588 typedef struct elf_linker_section
590 char *name
; /* name of the section */
591 char *rel_name
; /* name of the associated .rel{,a}. section */
592 char *bss_name
; /* name of a related .bss section */
593 char *sym_name
; /* name of symbol to reference this section */
594 asection
*section
; /* pointer to the section */
595 asection
*bss_section
; /* pointer to the bss section associated with this */
596 asection
*rel_section
; /* pointer to the relocations needed for this section */
597 struct elf_link_hash_entry
*sym_hash
; /* pointer to the created symbol hash value */
598 bfd_vma initial_size
; /* initial size before any linker generated allocations */
599 bfd_vma sym_offset
; /* offset of symbol from beginning of section */
600 bfd_vma hole_size
; /* size of reserved address hole in allocation */
601 bfd_vma hole_offset
; /* current offset for the hole */
602 bfd_vma max_hole_offset
; /* maximum offset for the hole */
603 elf_linker_section_enum_t which
; /* which section this is */
604 boolean hole_written_p
; /* whether the hole has been initialized */
605 unsigned int alignment
; /* alignment for the section */
606 flagword flags
; /* flags to use to create the section */
607 } elf_linker_section_t
;
609 /* Linked list of allocated pointer entries. This hangs off of the symbol lists, and
610 provides allows us to return different pointers, based on different addend's. */
612 typedef struct elf_linker_section_pointers
614 struct elf_linker_section_pointers
*next
; /* next allocated pointer for this symbol */
615 bfd_vma offset
; /* offset of pointer from beginning of section */
616 bfd_signed_vma addend
; /* addend used */
617 elf_linker_section_enum_t which
; /* which linker section this is */
618 boolean written_address_p
; /* whether address was written yet */
619 } elf_linker_section_pointers_t
;
621 /* Some private data is stashed away for future use using the tdata pointer
622 in the bfd structure. */
626 Elf_Internal_Ehdr elf_header
[1]; /* Actual data, but ref like ptr */
627 Elf_Internal_Shdr
**elf_sect_ptr
;
628 Elf_Internal_Phdr
*phdr
;
629 struct elf_segment_map
*segment_map
;
630 struct bfd_strtab_hash
*strtab_ptr
;
633 asymbol
**section_syms
; /* STT_SECTION symbols for each section */
634 Elf_Internal_Shdr symtab_hdr
;
635 Elf_Internal_Shdr shstrtab_hdr
;
636 Elf_Internal_Shdr strtab_hdr
;
637 Elf_Internal_Shdr dynsymtab_hdr
;
638 Elf_Internal_Shdr dynstrtab_hdr
;
639 Elf_Internal_Shdr dynversym_hdr
;
640 Elf_Internal_Shdr dynverref_hdr
;
641 Elf_Internal_Shdr dynverdef_hdr
;
642 unsigned int symtab_section
, shstrtab_section
;
643 unsigned int strtab_section
, dynsymtab_section
;
644 unsigned int dynversym_section
, dynverdef_section
, dynverref_section
;
645 file_ptr next_file_pos
;
646 void *prstatus
; /* The raw /proc prstatus structure */
647 void *prpsinfo
; /* The raw /proc prpsinfo structure */
648 bfd_vma gp
; /* The gp value (MIPS only, for now) */
649 unsigned int gp_size
; /* The gp size (MIPS only, for now) */
651 /* This is set to true if the object was created by the backend
655 /* A mapping from external symbols to entries in the linker hash
656 table, used when linking. This is indexed by the symbol index
657 minus the sh_info field of the symbol table header. */
658 struct elf_link_hash_entry
**sym_hashes
;
660 /* A mapping from local symbols to offsets into the global offset
661 table, used when linking. This is indexed by the symbol index.
662 Like for the globals, we use a union and two names primarily to
663 document the intent of any particular piece of code. The field
664 should be used as a count until size_dynamic_sections, at which
665 point the contents of the .got is fixed. Afterward, if an entry
666 is -1, then the symbol does not require a global offset table entry. */
669 bfd_signed_vma
*refcounts
;
673 /* A mapping from local symbols to offsets into the various linker
674 sections added. This is index by the symbol index. */
675 elf_linker_section_pointers_t
**linker_section_pointers
;
677 /* The linker ELF emulation code needs to let the backend ELF linker
678 know what filename should be used for a dynamic object if the
679 dynamic object is found using a search. The emulation code then
680 sometimes needs to know what name was actually used. Until the
681 file has been added to the linker symbol table, this field holds
682 the name the linker wants. After it has been added, it holds the
683 name actually used, which will be the DT_SONAME entry if there is
687 /* Irix 5 often screws up the symbol table, sorting local symbols
688 after global symbols. This flag is set if the symbol table in
689 this BFD appears to be screwed up. If it is, we ignore the
690 sh_info field in the symbol table header, and always read all the
694 /* Records the result of `get_program_header_size'. */
695 bfd_size_type program_header_size
;
697 /* Used by find_nearest_line entry point. */
700 /* Used by MIPS ELF find_nearest_line entry point. The structure
701 could be included directly in this one, but there's no point to
702 wasting the memory just for the infrequently called
703 find_nearest_line. */
704 struct mips_elf_find_line
*find_line_info
;
706 /* A place to stash dwarf2 info for this bfd. */
707 struct dwarf2_debug
*dwarf2_find_line_info
;
709 /* An array of stub sections indexed by symbol number, used by the
710 MIPS ELF linker. FIXME: We should figure out some way to only
711 include this field for a MIPS ELF target. */
712 asection
**local_stubs
;
714 /* Used to determine if the e_flags field has been initialized */
717 /* Number of symbol version definitions we are about to emit. */
718 unsigned int cverdefs
;
720 /* Number of symbol version references we are about to emit. */
721 unsigned int cverrefs
;
723 /* Symbol version definitions in external objects. */
724 Elf_Internal_Verdef
*verdef
;
726 /* Symbol version references to external objects. */
727 Elf_Internal_Verneed
*verref
;
729 /* Linker sections that we are interested in. */
730 struct elf_linker_section
*linker_section
[ (int)LINKER_SECTION_MAX
];
733 #define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data)
734 #define elf_elfheader(bfd) (elf_tdata(bfd) -> elf_header)
735 #define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr)
736 #define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr)
737 #define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section)
738 #define elf_dynsymtab(bfd) (elf_tdata(bfd) -> dynsymtab_section)
739 #define elf_dynversym(bfd) (elf_tdata(bfd) -> dynversym_section)
740 #define elf_dynverdef(bfd) (elf_tdata(bfd) -> dynverdef_section)
741 #define elf_dynverref(bfd) (elf_tdata(bfd) -> dynverref_section)
742 #define elf_num_locals(bfd) (elf_tdata(bfd) -> num_locals)
743 #define elf_num_globals(bfd) (elf_tdata(bfd) -> num_globals)
744 #define elf_section_syms(bfd) (elf_tdata(bfd) -> section_syms)
745 #define core_prpsinfo(bfd) (elf_tdata(bfd) -> prpsinfo)
746 #define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus)
747 #define elf_gp(bfd) (elf_tdata(bfd) -> gp)
748 #define elf_gp_size(bfd) (elf_tdata(bfd) -> gp_size)
749 #define elf_sym_hashes(bfd) (elf_tdata(bfd) -> sym_hashes)
750 #define elf_local_got_refcounts(bfd) (elf_tdata(bfd) -> local_got.refcounts)
751 #define elf_local_got_offsets(bfd) (elf_tdata(bfd) -> local_got.offsets)
752 #define elf_local_ptr_offsets(bfd) (elf_tdata(bfd) -> linker_section_pointers)
753 #define elf_dt_name(bfd) (elf_tdata(bfd) -> dt_name)
754 #define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab)
755 #define elf_flags_init(bfd) (elf_tdata(bfd) -> flags_init)
756 #define elf_linker_section(bfd,n) (elf_tdata(bfd) -> linker_section[(int)n])
758 extern void _bfd_elf_swap_verdef_in
759 PARAMS ((bfd
*, const Elf_External_Verdef
*, Elf_Internal_Verdef
*));
760 extern void _bfd_elf_swap_verdef_out
761 PARAMS ((bfd
*, const Elf_Internal_Verdef
*, Elf_External_Verdef
*));
762 extern void _bfd_elf_swap_verdaux_in
763 PARAMS ((bfd
*, const Elf_External_Verdaux
*, Elf_Internal_Verdaux
*));
764 extern void _bfd_elf_swap_verdaux_out
765 PARAMS ((bfd
*, const Elf_Internal_Verdaux
*, Elf_External_Verdaux
*));
766 extern void _bfd_elf_swap_verneed_in
767 PARAMS ((bfd
*, const Elf_External_Verneed
*, Elf_Internal_Verneed
*));
768 extern void _bfd_elf_swap_verneed_out
769 PARAMS ((bfd
*, const Elf_Internal_Verneed
*, Elf_External_Verneed
*));
770 extern void _bfd_elf_swap_vernaux_in
771 PARAMS ((bfd
*, const Elf_External_Vernaux
*, Elf_Internal_Vernaux
*));
772 extern void _bfd_elf_swap_vernaux_out
773 PARAMS ((bfd
*, const Elf_Internal_Vernaux
*, Elf_External_Vernaux
*));
774 extern void _bfd_elf_swap_versym_in
775 PARAMS ((bfd
*, const Elf_External_Versym
*, Elf_Internal_Versym
*));
776 extern void _bfd_elf_swap_versym_out
777 PARAMS ((bfd
*, const Elf_Internal_Versym
*, Elf_External_Versym
*));
779 extern int _bfd_elf_section_from_bfd_section
PARAMS ((bfd
*, asection
*));
780 extern char *bfd_elf_string_from_elf_section
781 PARAMS ((bfd
*, unsigned, unsigned));
782 extern char *bfd_elf_get_str_section
PARAMS ((bfd
*, unsigned));
784 extern boolean _bfd_elf_print_private_bfd_data
PARAMS ((bfd
*, PTR
));
785 extern void bfd_elf_print_symbol
PARAMS ((bfd
*, PTR
, asymbol
*,
786 bfd_print_symbol_type
));
787 #define elf_string_from_elf_strtab(abfd,strindex) \
788 bfd_elf_string_from_elf_section(abfd,elf_elfheader(abfd)->e_shstrndx,strindex)
790 #define bfd_elf32_print_symbol bfd_elf_print_symbol
791 #define bfd_elf64_print_symbol bfd_elf_print_symbol
793 extern unsigned long bfd_elf_hash
PARAMS ((CONST
unsigned char *));
795 extern bfd_reloc_status_type bfd_elf_generic_reloc
PARAMS ((bfd
*,
802 extern boolean bfd_elf_mkobject
PARAMS ((bfd
*));
803 extern boolean bfd_elf_mkcorefile
PARAMS ((bfd
*));
804 extern Elf_Internal_Shdr
*bfd_elf_find_section
PARAMS ((bfd
*, char *));
805 extern boolean _bfd_elf_make_section_from_shdr
806 PARAMS ((bfd
*abfd
, Elf_Internal_Shdr
*hdr
, const char *name
));
807 extern struct bfd_hash_entry
*_bfd_elf_link_hash_newfunc
808 PARAMS ((struct bfd_hash_entry
*, struct bfd_hash_table
*, const char *));
809 extern struct bfd_link_hash_table
*_bfd_elf_link_hash_table_create
811 extern boolean _bfd_elf_link_hash_table_init
812 PARAMS ((struct elf_link_hash_table
*, bfd
*,
813 struct bfd_hash_entry
*(*) (struct bfd_hash_entry
*,
814 struct bfd_hash_table
*,
816 extern boolean _bfd_elf_slurp_version_tables
PARAMS ((bfd
*));
818 extern boolean _bfd_elf_copy_private_symbol_data
819 PARAMS ((bfd
*, asymbol
*, bfd
*, asymbol
*));
820 extern boolean _bfd_elf_copy_private_section_data
821 PARAMS ((bfd
*, asection
*, bfd
*, asection
*));
822 extern boolean _bfd_elf_write_object_contents
PARAMS ((bfd
*));
823 extern boolean _bfd_elf_write_corefile_contents
PARAMS ((bfd
*));
824 extern boolean _bfd_elf_set_section_contents
PARAMS ((bfd
*, sec_ptr
, PTR
,
827 extern long _bfd_elf_get_symtab_upper_bound
PARAMS ((bfd
*));
828 extern long _bfd_elf_get_symtab
PARAMS ((bfd
*, asymbol
**));
829 extern long _bfd_elf_get_dynamic_symtab_upper_bound
PARAMS ((bfd
*));
830 extern long _bfd_elf_canonicalize_dynamic_symtab
PARAMS ((bfd
*, asymbol
**));
831 extern long _bfd_elf_get_reloc_upper_bound
PARAMS ((bfd
*, sec_ptr
));
832 extern long _bfd_elf_canonicalize_reloc
PARAMS ((bfd
*, sec_ptr
,
833 arelent
**, asymbol
**));
834 extern long _bfd_elf_get_dynamic_reloc_upper_bound
PARAMS ((bfd
*));
835 extern long _bfd_elf_canonicalize_dynamic_reloc
PARAMS ((bfd
*, arelent
**,
837 extern asymbol
*_bfd_elf_make_empty_symbol
PARAMS ((bfd
*));
838 extern void _bfd_elf_get_symbol_info
PARAMS ((bfd
*, asymbol
*,
840 extern boolean _bfd_elf_is_local_label_name
PARAMS ((bfd
*, const char *));
841 extern alent
*_bfd_elf_get_lineno
PARAMS ((bfd
*, asymbol
*));
842 extern boolean _bfd_elf_set_arch_mach
PARAMS ((bfd
*, enum bfd_architecture
,
844 extern boolean _bfd_elf_find_nearest_line
PARAMS ((bfd
*, asection
*,
846 bfd_vma
, CONST
char **,
849 #define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols
850 #define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
851 extern int _bfd_elf_sizeof_headers
PARAMS ((bfd
*, boolean
));
852 extern boolean _bfd_elf_new_section_hook
PARAMS ((bfd
*, asection
*));
854 /* If the target doesn't have reloc handling written yet: */
855 extern void _bfd_elf_no_info_to_howto
PARAMS ((bfd
*, arelent
*,
856 Elf_Internal_Rela
*));
858 extern boolean bfd_section_from_shdr
PARAMS ((bfd
*, unsigned int shindex
));
859 extern boolean bfd_section_from_phdr
PARAMS ((bfd
*, Elf_Internal_Phdr
*, int));
861 extern int _bfd_elf_symbol_from_bfd_symbol
PARAMS ((bfd
*, asymbol
**));
863 asection
*bfd_section_from_elf_index
PARAMS ((bfd
*, unsigned int));
864 boolean _bfd_elf_create_dynamic_sections
PARAMS ((bfd
*,
865 struct bfd_link_info
*));
866 struct bfd_strtab_hash
*_bfd_elf_stringtab_init
PARAMS ((void));
868 _bfd_elf_link_record_dynamic_symbol
PARAMS ((struct bfd_link_info
*,
869 struct elf_link_hash_entry
*));
871 _bfd_elf_compute_section_file_positions
PARAMS ((bfd
*,
872 struct bfd_link_info
*));
873 void _bfd_elf_assign_file_positions_for_relocs
PARAMS ((bfd
*));
874 file_ptr _bfd_elf_assign_file_position_for_section
PARAMS ((Elf_Internal_Shdr
*,
878 extern boolean _bfd_elf_validate_reloc
PARAMS ((bfd
*, arelent
*));
880 boolean _bfd_elf_create_dynamic_sections
PARAMS ((bfd
*,
881 struct bfd_link_info
*));
882 boolean _bfd_elf_create_got_section
PARAMS ((bfd
*,
883 struct bfd_link_info
*));
885 elf_linker_section_t
*_bfd_elf_create_linker_section
887 struct bfd_link_info
*info
,
888 enum elf_linker_section_enum
,
889 elf_linker_section_t
*defaults
));
891 elf_linker_section_pointers_t
*_bfd_elf_find_pointer_linker_section
892 PARAMS ((elf_linker_section_pointers_t
*linker_pointers
,
893 bfd_signed_vma addend
,
894 elf_linker_section_enum_t which
));
896 boolean bfd_elf32_create_pointer_linker_section
898 struct bfd_link_info
*info
,
899 elf_linker_section_t
*lsect
,
900 struct elf_link_hash_entry
*h
,
901 const Elf32_Internal_Rela
*rel
));
903 bfd_vma bfd_elf32_finish_pointer_linker_section
904 PARAMS ((bfd
*output_abfd
,
906 struct bfd_link_info
*info
,
907 elf_linker_section_t
*lsect
,
908 struct elf_link_hash_entry
*h
,
910 const Elf32_Internal_Rela
*rel
,
911 int relative_reloc
));
913 boolean bfd_elf64_create_pointer_linker_section
915 struct bfd_link_info
*info
,
916 elf_linker_section_t
*lsect
,
917 struct elf_link_hash_entry
*h
,
918 const Elf64_Internal_Rela
*rel
));
920 bfd_vma bfd_elf64_finish_pointer_linker_section
921 PARAMS ((bfd
*output_abfd
,
923 struct bfd_link_info
*info
,
924 elf_linker_section_t
*lsect
,
925 struct elf_link_hash_entry
*h
,
927 const Elf64_Internal_Rela
*rel
,
928 int relative_reloc
));
930 boolean _bfd_elf_make_linker_section_rela
931 PARAMS ((bfd
*dynobj
,
932 elf_linker_section_t
*lsect
,
935 extern const bfd_target
*bfd_elf32_object_p
PARAMS ((bfd
*));
936 extern const bfd_target
*bfd_elf32_core_file_p
PARAMS ((bfd
*));
937 extern char *bfd_elf32_core_file_failing_command
PARAMS ((bfd
*));
938 extern int bfd_elf32_core_file_failing_signal
PARAMS ((bfd
*));
939 extern boolean bfd_elf32_core_file_matches_executable_p
PARAMS ((bfd
*,
942 extern boolean bfd_elf32_bfd_link_add_symbols
943 PARAMS ((bfd
*, struct bfd_link_info
*));
944 extern boolean bfd_elf32_bfd_final_link
945 PARAMS ((bfd
*, struct bfd_link_info
*));
947 extern void bfd_elf32_swap_symbol_in
948 PARAMS ((bfd
*, const Elf32_External_Sym
*, Elf_Internal_Sym
*));
949 extern void bfd_elf32_swap_symbol_out
950 PARAMS ((bfd
*, const Elf_Internal_Sym
*, PTR
));
951 extern void bfd_elf32_swap_reloc_in
952 PARAMS ((bfd
*, const Elf32_External_Rel
*, Elf_Internal_Rel
*));
953 extern void bfd_elf32_swap_reloc_out
954 PARAMS ((bfd
*, const Elf_Internal_Rel
*, Elf32_External_Rel
*));
955 extern void bfd_elf32_swap_reloca_in
956 PARAMS ((bfd
*, const Elf32_External_Rela
*, Elf_Internal_Rela
*));
957 extern void bfd_elf32_swap_reloca_out
958 PARAMS ((bfd
*, const Elf_Internal_Rela
*, Elf32_External_Rela
*));
959 extern void bfd_elf32_swap_phdr_in
960 PARAMS ((bfd
*, const Elf32_External_Phdr
*, Elf_Internal_Phdr
*));
961 extern void bfd_elf32_swap_phdr_out
962 PARAMS ((bfd
*, const Elf_Internal_Phdr
*, Elf32_External_Phdr
*));
963 extern void bfd_elf32_swap_dyn_in
964 PARAMS ((bfd
*, const PTR
, Elf_Internal_Dyn
*));
965 extern void bfd_elf32_swap_dyn_out
966 PARAMS ((bfd
*, const Elf_Internal_Dyn
*, Elf32_External_Dyn
*));
967 extern long bfd_elf32_slurp_symbol_table
968 PARAMS ((bfd
*, asymbol
**, boolean
));
969 extern boolean bfd_elf32_write_shdrs_and_ehdr
PARAMS ((bfd
*));
970 extern int bfd_elf32_write_out_phdrs
971 PARAMS ((bfd
*, const Elf_Internal_Phdr
*, int));
972 extern boolean bfd_elf32_add_dynamic_entry
973 PARAMS ((struct bfd_link_info
*, bfd_vma
, bfd_vma
));
974 extern boolean bfd_elf32_link_create_dynamic_sections
975 PARAMS ((bfd
*, struct bfd_link_info
*));
976 extern Elf_Internal_Rela
*_bfd_elf32_link_read_relocs
977 PARAMS ((bfd
*, asection
*, PTR
, Elf_Internal_Rela
*, boolean
));
979 extern const bfd_target
*bfd_elf64_object_p
PARAMS ((bfd
*));
980 extern const bfd_target
*bfd_elf64_core_file_p
PARAMS ((bfd
*));
981 extern char *bfd_elf64_core_file_failing_command
PARAMS ((bfd
*));
982 extern int bfd_elf64_core_file_failing_signal
PARAMS ((bfd
*));
983 extern boolean bfd_elf64_core_file_matches_executable_p
PARAMS ((bfd
*,
985 extern boolean bfd_elf64_bfd_link_add_symbols
986 PARAMS ((bfd
*, struct bfd_link_info
*));
987 extern boolean bfd_elf64_bfd_final_link
988 PARAMS ((bfd
*, struct bfd_link_info
*));
990 extern void bfd_elf64_swap_symbol_in
991 PARAMS ((bfd
*, const Elf64_External_Sym
*, Elf_Internal_Sym
*));
992 extern void bfd_elf64_swap_symbol_out
993 PARAMS ((bfd
*, const Elf_Internal_Sym
*, PTR
));
994 extern void bfd_elf64_swap_reloc_in
995 PARAMS ((bfd
*, const Elf64_External_Rel
*, Elf_Internal_Rel
*));
996 extern void bfd_elf64_swap_reloc_out
997 PARAMS ((bfd
*, const Elf_Internal_Rel
*, Elf64_External_Rel
*));
998 extern void bfd_elf64_swap_reloca_in
999 PARAMS ((bfd
*, const Elf64_External_Rela
*, Elf_Internal_Rela
*));
1000 extern void bfd_elf64_swap_reloca_out
1001 PARAMS ((bfd
*, const Elf_Internal_Rela
*, Elf64_External_Rela
*));
1002 extern void bfd_elf64_swap_phdr_in
1003 PARAMS ((bfd
*, const Elf64_External_Phdr
*, Elf_Internal_Phdr
*));
1004 extern void bfd_elf64_swap_phdr_out
1005 PARAMS ((bfd
*, const Elf_Internal_Phdr
*, Elf64_External_Phdr
*));
1006 extern void bfd_elf64_swap_dyn_in
1007 PARAMS ((bfd
*, const PTR
, Elf_Internal_Dyn
*));
1008 extern void bfd_elf64_swap_dyn_out
1009 PARAMS ((bfd
*, const Elf_Internal_Dyn
*, Elf64_External_Dyn
*));
1010 extern long bfd_elf64_slurp_symbol_table
1011 PARAMS ((bfd
*, asymbol
**, boolean
));
1012 extern boolean bfd_elf64_write_shdrs_and_ehdr
PARAMS ((bfd
*));
1013 extern int bfd_elf64_write_out_phdrs
1014 PARAMS ((bfd
*, const Elf_Internal_Phdr
*, int));
1015 extern boolean bfd_elf64_add_dynamic_entry
1016 PARAMS ((struct bfd_link_info
*, bfd_vma
, bfd_vma
));
1017 extern boolean bfd_elf64_link_create_dynamic_sections
1018 PARAMS ((bfd
*, struct bfd_link_info
*));
1019 extern Elf_Internal_Rela
*_bfd_elf64_link_read_relocs
1020 PARAMS ((bfd
*, asection
*, PTR
, Elf_Internal_Rela
*, boolean
));
1022 #define bfd_elf32_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol
1023 #define bfd_elf64_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol
1025 extern boolean _bfd_elf_close_and_cleanup
PARAMS ((bfd
*));
1026 extern bfd_reloc_status_type _bfd_elf_rel_vtable_reloc_fn
1027 PARAMS ((bfd
*, arelent
*, struct symbol_cache_entry
*, PTR
,
1028 asection
*, bfd
*, char **));
1030 boolean _bfd_elf32_gc_sections
1031 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
));
1032 boolean _bfd_elf32_gc_common_finalize_got_offsets
1033 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
));
1034 boolean _bfd_elf32_gc_common_final_link
1035 PARAMS ((bfd
*, struct bfd_link_info
*));
1036 boolean _bfd_elf32_gc_record_vtinherit
1037 PARAMS ((bfd
*, asection
*, struct elf_link_hash_entry
*, bfd_vma
));
1038 boolean _bfd_elf32_gc_record_vtentry
1039 PARAMS ((bfd
*, asection
*, struct elf_link_hash_entry
*, bfd_vma
));
1041 boolean _bfd_elf64_gc_sections
1042 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
));
1043 boolean _bfd_elf64_gc_common_finalize_got_offsets
1044 PARAMS ((bfd
*abfd
, struct bfd_link_info
*info
));
1045 boolean _bfd_elf64_gc_common_final_link
1046 PARAMS ((bfd
*, struct bfd_link_info
*));
1047 boolean _bfd_elf64_gc_record_vtinherit
1048 PARAMS ((bfd
*, asection
*, struct elf_link_hash_entry
*, bfd_vma
));
1049 boolean _bfd_elf64_gc_record_vtentry
1050 PARAMS ((bfd
*, asection
*, struct elf_link_hash_entry
*, bfd_vma
));
1052 /* MIPS ELF specific routines. */
1054 extern boolean _bfd_mips_elf_object_p
PARAMS ((bfd
*));
1055 extern boolean _bfd_mips_elf_section_from_shdr
1056 PARAMS ((bfd
*, Elf_Internal_Shdr
*, const char *));
1057 extern boolean _bfd_mips_elf_fake_sections
1058 PARAMS ((bfd
*, Elf_Internal_Shdr
*, asection
*));
1059 extern boolean _bfd_mips_elf_section_from_bfd_section
1060 PARAMS ((bfd
*, Elf_Internal_Shdr
*, asection
*, int *));
1061 extern boolean _bfd_mips_elf_section_processing
1062 PARAMS ((bfd
*, Elf_Internal_Shdr
*));
1063 extern void _bfd_mips_elf_symbol_processing
PARAMS ((bfd
*, asymbol
*));
1064 extern boolean _bfd_mips_elf_read_ecoff_info
1065 PARAMS ((bfd
*, asection
*, struct ecoff_debug_info
*));
1066 extern void _bfd_mips_elf_final_write_processing
PARAMS ((bfd
*, boolean
));
1067 extern bfd_reloc_status_type _bfd_mips_elf_hi16_reloc
1068 PARAMS ((bfd
*, arelent
*, asymbol
*, PTR
, asection
*, bfd
*, char **));
1069 extern bfd_reloc_status_type _bfd_mips_elf_lo16_reloc
1070 PARAMS ((bfd
*, arelent
*, asymbol
*, PTR
, asection
*, bfd
*, char **));
1071 extern bfd_reloc_status_type _bfd_mips_elf_gprel16_reloc
1072 PARAMS ((bfd
*, arelent
*, asymbol
*, PTR
, asection
*, bfd
*, char **));
1073 extern bfd_reloc_status_type _bfd_mips_elf_got16_reloc
1074 PARAMS ((bfd
*, arelent
*, asymbol
*, PTR
, asection
*, bfd
*, char **));
1075 extern bfd_reloc_status_type _bfd_mips_elf_gprel32_reloc
1076 PARAMS ((bfd
*, arelent
*, asymbol
*, PTR
, asection
*, bfd
*, char **));
1077 extern boolean _bfd_mips_elf_set_private_flags
PARAMS ((bfd
*, flagword
));
1078 extern boolean _bfd_mips_elf_copy_private_bfd_data
PARAMS ((bfd
*, bfd
*));
1079 extern boolean _bfd_mips_elf_merge_private_bfd_data
PARAMS ((bfd
*, bfd
*));
1080 extern boolean _bfd_mips_elf_find_nearest_line
1081 PARAMS ((bfd
*, asection
*, asymbol
**, bfd_vma
, const char **,
1082 const char **, unsigned int *));
1083 extern boolean _bfd_mips_elf_set_section_contents
1084 PARAMS ((bfd
*, asection
*, PTR
, file_ptr
, bfd_size_type
));
1086 #endif /* _LIBELF_H_ */