elf-bfd.h revision 38889
126683Sbde/* BFD back-end data structures for ELF files. 253550Sdillon Copyright (C) 1992, 93, 94, 95, 96, 97, 1998 Free Software Foundation, Inc. 353550Sdillon Written by Cygnus Support. 41558Srgrimes 51558SrgrimesThis file is part of BFD, the Binary File Descriptor library. 653550Sdillon 774815SruThis program is free software; you can redistribute it and/or modify 81558Srgrimesit under the terms of the GNU General Public License as published by 926683Sbdethe Free Software Foundation; either version 2 of the License, or 1053550Sdillon(at your option) any later version. 1153550Sdillon 1287325SobrienThis program is distributed in the hope that it will be useful, 1353550Sdillonbut WITHOUT ANY WARRANTY; without even the implied warranty of 1426683SbdeMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 151558SrgrimesGNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with this program; if not, write to the Free Software 19Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 20 21#ifndef _LIBELF_H_ 22#define _LIBELF_H_ 1 23 24#include "elf/common.h" 25#include "elf/internal.h" 26#include "elf/external.h" 27#include "bfdlink.h" 28 29/* If size isn't specified as 64 or 32, NAME macro should fail. */ 30#ifndef NAME 31#if ARCH_SIZE==64 32#define NAME(x,y) CAT4(x,64,_,y) 33#endif 34#if ARCH_SIZE==32 35#define NAME(x,y) CAT4(x,32,_,y) 36#endif 37#endif 38 39#ifndef NAME 40#define NAME(x,y) CAT4(x,NOSIZE,_,y) 41#endif 42 43#define ElfNAME(X) NAME(Elf,X) 44#define elfNAME(X) NAME(elf,X) 45 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. */ 50 51typedef struct 52{ 53 /* The BFD symbol. */ 54 asymbol symbol; 55 /* ELF symbol information. */ 56 Elf_Internal_Sym internal_elf_sym; 57 /* Backend specific information. */ 58 union 59 { 60 unsigned int hppa_arg_reloc; 61 PTR mips_extr; 62 PTR any; 63 } 64 tc_data; 65 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; 70 71} elf_symbol_type; 72 73/* ELF linker hash table entries. */ 74 75struct elf_link_hash_entry 76{ 77 struct bfd_link_hash_entry root; 78 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. */ 81 long indx; 82 83 /* Symbol size. */ 84 bfd_size_type size; 85 86 /* Symbol index as a dynamic symbol. Initialized to -1, and remains 87 -1 if this is not a dynamic symbol. */ 88 long dynindx; 89 90 /* String table index in .dynstr if this is a dynamic symbol. */ 91 unsigned long dynstr_index; 92 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; 97 98 /* If this symbol requires an entry in the global offset table, the 99 processor specific backend uses this field to hold the offset 100 into the .got section. If this field is -1, then the symbol does 101 not require a global offset table entry. */ 102 bfd_vma got_offset; 103 104 /* If this symbol requires an entry in the procedure linkage table, 105 the processor specific backend uses these two fields to hold the 106 offset into the procedure linkage section and the offset into the 107 .got section. If plt_offset is -1, then the symbol does not 108 require an entry in the procedure linkage table. */ 109 bfd_vma plt_offset; 110 111 /* If this symbol is used in the linker created sections, the processor 112 specific backend uses this field to map the field into the offset 113 from the beginning of the section. */ 114 struct elf_linker_section_pointers *linker_section_pointer; 115 116 /* Version information. */ 117 union 118 { 119 /* This field is used for a symbol which is not defined in a 120 regular object. It points to the version information read in 121 from the dynamic object. */ 122 Elf_Internal_Verdef *verdef; 123 /* This field is used for a symbol which is defined in a regular 124 object. It is set up in size_dynamic_sections. It points to 125 the version information we should write out for this symbol. */ 126 struct bfd_elf_version_tree *vertree; 127 } verinfo; 128 129 /* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */ 130 char type; 131 132 /* Symbol st_other value. */ 133 unsigned char other; 134 135 /* Some flags; legal values follow. */ 136 unsigned short elf_link_hash_flags; 137 /* Symbol is referenced by a non-shared object. */ 138#define ELF_LINK_HASH_REF_REGULAR 01 139 /* Symbol is defined by a non-shared object. */ 140#define ELF_LINK_HASH_DEF_REGULAR 02 141 /* Symbol is referenced by a shared object. */ 142#define ELF_LINK_HASH_REF_DYNAMIC 04 143 /* Symbol is defined by a shared object. */ 144#define ELF_LINK_HASH_DEF_DYNAMIC 010 145 /* Dynamic symbol has been adjustd. */ 146#define ELF_LINK_HASH_DYNAMIC_ADJUSTED 020 147 /* Symbol needs a copy reloc. */ 148#define ELF_LINK_HASH_NEEDS_COPY 040 149 /* Symbol needs a procedure linkage table entry. */ 150#define ELF_LINK_HASH_NEEDS_PLT 0100 151 /* Symbol appears in a non-ELF input file. */ 152#define ELF_LINK_NON_ELF 0200 153 /* Symbol should be marked as hidden in the version information. */ 154#define ELF_LINK_HIDDEN 0400 155 /* Symbol was forced to local scope due to a version script file. */ 156#define ELF_LINK_FORCED_LOCAL 01000 157}; 158 159/* ELF linker hash table. */ 160 161struct elf_link_hash_table 162{ 163 struct bfd_link_hash_table root; 164 /* Whether we have created the special dynamic sections required 165 when linking against or generating a shared object. */ 166 boolean dynamic_sections_created; 167 /* The BFD used to hold special sections created by the linker. 168 This will be the first BFD found which requires these sections to 169 be created. */ 170 bfd *dynobj; 171 /* The number of symbols found in the link which must be put into 172 the .dynsym section. */ 173 bfd_size_type dynsymcount; 174 /* The string table of dynamic symbols, which becomes the .dynstr 175 section. */ 176 struct bfd_strtab_hash *dynstr; 177 /* The number of buckets in the hash table in the .hash section. 178 This is based on the number of dynamic symbols. */ 179 bfd_size_type bucketcount; 180 /* A linked list of DT_NEEDED names found in dynamic objects 181 included in the link. */ 182 struct bfd_link_needed_list *needed; 183 /* The _GLOBAL_OFFSET_TABLE_ symbol. */ 184 struct elf_link_hash_entry *hgot; 185 /* A pointer to information used to link stabs in sections. */ 186 PTR stab_info; 187}; 188 189/* Look up an entry in an ELF linker hash table. */ 190 191#define elf_link_hash_lookup(table, string, create, copy, follow) \ 192 ((struct elf_link_hash_entry *) \ 193 bfd_link_hash_lookup (&(table)->root, (string), (create), \ 194 (copy), (follow))) 195 196/* Traverse an ELF linker hash table. */ 197 198#define elf_link_hash_traverse(table, func, info) \ 199 (bfd_link_hash_traverse \ 200 (&(table)->root, \ 201 (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \ 202 (info))) 203 204/* Get the ELF linker hash table from a link_info structure. */ 205 206#define elf_hash_table(p) ((struct elf_link_hash_table *) ((p)->hash)) 207 208/* Constant information held for an ELF backend. */ 209 210struct elf_size_info { 211 unsigned char sizeof_ehdr, sizeof_phdr, sizeof_shdr; 212 unsigned char sizeof_rel, sizeof_rela, sizeof_sym, sizeof_dyn, sizeof_note; 213 214 unsigned char arch_size, file_align; 215 unsigned char elfclass, ev_current; 216 int (*write_out_phdrs) PARAMS ((bfd *, const Elf_Internal_Phdr *, int)); 217 boolean (*write_shdrs_and_ehdr) PARAMS ((bfd *)); 218 void (*write_relocs) PARAMS ((bfd *, asection *, PTR)); 219 void (*swap_symbol_out) PARAMS ((bfd *, const Elf_Internal_Sym *, PTR)); 220 boolean (*slurp_reloc_table) 221 PARAMS ((bfd *, asection *, asymbol **, boolean)); 222 long (*slurp_symbol_table) PARAMS ((bfd *, asymbol **, boolean)); 223 void (*swap_dyn_in) PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); 224}; 225 226#define elf_symbol_from(ABFD,S) \ 227 (((S)->the_bfd->xvec->flavour == bfd_target_elf_flavour \ 228 && (S)->the_bfd->tdata.elf_obj_data != 0) \ 229 ? (elf_symbol_type *) (S) \ 230 : 0) 231 232struct elf_backend_data 233{ 234 /* Whether the backend uses REL or RELA relocations. FIXME: some 235 ELF backends use both. When we need to support one, this whole 236 approach will need to be changed. */ 237 int use_rela_p; 238 239 /* The architecture for this backend. */ 240 enum bfd_architecture arch; 241 242 /* The ELF machine code (EM_xxxx) for this backend. */ 243 int elf_machine_code; 244 245 /* The maximum page size for this backend. */ 246 bfd_vma maxpagesize; 247 248 /* This is true if the linker should act like collect and gather 249 global constructors and destructors by name. This is true for 250 MIPS ELF because the Irix 5 tools can not handle the .init 251 section. */ 252 boolean collect; 253 254 /* This is true if the linker should ignore changes to the type of a 255 symbol. This is true for MIPS ELF because some Irix 5 objects 256 record undefined functions as STT_OBJECT although the definitions 257 are STT_FUNC. */ 258 boolean type_change_ok; 259 260 /* A function to translate an ELF RELA relocation to a BFD arelent 261 structure. */ 262 void (*elf_info_to_howto) PARAMS ((bfd *, arelent *, 263 Elf_Internal_Rela *)); 264 265 /* A function to translate an ELF REL relocation to a BFD arelent 266 structure. */ 267 void (*elf_info_to_howto_rel) PARAMS ((bfd *, arelent *, 268 Elf_Internal_Rel *)); 269 270 /* A function to determine whether a symbol is global when 271 partitioning the symbol table into local and global symbols. 272 This should be NULL for most targets, in which case the correct 273 thing will be done. MIPS ELF, at least on the Irix 5, has 274 special requirements. */ 275 boolean (*elf_backend_sym_is_global) PARAMS ((bfd *, asymbol *)); 276 277 /* The remaining functions are hooks which are called only if they 278 are not NULL. */ 279 280 /* A function to permit a backend specific check on whether a 281 particular BFD format is relevant for an object file, and to 282 permit the backend to set any global information it wishes. When 283 this is called elf_elfheader is set, but anything else should be 284 used with caution. If this returns false, the check_format 285 routine will return a bfd_error_wrong_format error. */ 286 boolean (*elf_backend_object_p) PARAMS ((bfd *)); 287 288 /* A function to do additional symbol processing when reading the 289 ELF symbol table. This is where any processor-specific special 290 section indices are handled. */ 291 void (*elf_backend_symbol_processing) PARAMS ((bfd *, asymbol *)); 292 293 /* A function to do additional symbol processing after reading the 294 entire ELF symbol table. */ 295 boolean (*elf_backend_symbol_table_processing) PARAMS ((bfd *, 296 elf_symbol_type *, 297 unsigned int)); 298 299 /* A function to do additional processing on the ELF section header 300 just before writing it out. This is used to set the flags and 301 type fields for some sections, or to actually write out data for 302 unusual sections. */ 303 boolean (*elf_backend_section_processing) PARAMS ((bfd *, 304 Elf32_Internal_Shdr *)); 305 306 /* A function to handle unusual section types when creating BFD 307 sections from ELF sections. */ 308 boolean (*elf_backend_section_from_shdr) PARAMS ((bfd *, 309 Elf32_Internal_Shdr *, 310 char *)); 311 312 /* A function to set up the ELF section header for a BFD section in 313 preparation for writing it out. This is where the flags and type 314 fields are set for unusual sections. */ 315 boolean (*elf_backend_fake_sections) PARAMS ((bfd *, Elf32_Internal_Shdr *, 316 asection *)); 317 318 /* A function to get the ELF section index for a BFD section. If 319 this returns true, the section was found. If it is a normal ELF 320 section, *RETVAL should be left unchanged. If it is not a normal 321 ELF section *RETVAL should be set to the SHN_xxxx index. */ 322 boolean (*elf_backend_section_from_bfd_section) 323 PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *, int *retval)); 324 325 /* If this field is not NULL, it is called by the add_symbols phase 326 of a link just before adding a symbol to the global linker hash 327 table. It may modify any of the fields as it wishes. If *NAME 328 is set to NULL, the symbol will be skipped rather than being 329 added to the hash table. This function is responsible for 330 handling all processor dependent symbol bindings and section 331 indices, and must set at least *FLAGS and *SEC for each processor 332 dependent case; failure to do so will cause a link error. */ 333 boolean (*elf_add_symbol_hook) 334 PARAMS ((bfd *abfd, struct bfd_link_info *info, 335 const Elf_Internal_Sym *, const char **name, 336 flagword *flags, asection **sec, bfd_vma *value)); 337 338 /* If this field is not NULL, it is called by the elf_link_output_sym 339 phase of a link for each symbol which will appear in the object file. */ 340 boolean (*elf_backend_link_output_symbol_hook) 341 PARAMS ((bfd *, struct bfd_link_info *info, const char *, 342 Elf_Internal_Sym *, asection *)); 343 344 /* The CREATE_DYNAMIC_SECTIONS function is called by the ELF backend 345 linker the first time it encounters a dynamic object in the link. 346 This function must create any sections required for dynamic 347 linking. The ABFD argument is a dynamic object. The .interp, 348 .dynamic, .dynsym, .dynstr, and .hash functions have already been 349 created, and this function may modify the section flags if 350 desired. This function will normally create the .got and .plt 351 sections, but different backends have different requirements. */ 352 boolean (*elf_backend_create_dynamic_sections) 353 PARAMS ((bfd *abfd, struct bfd_link_info *info)); 354 355 /* The CHECK_RELOCS function is called by the add_symbols phase of 356 the ELF backend linker. It is called once for each section with 357 relocs of an object file, just after the symbols for the object 358 file have been added to the global linker hash table. The 359 function must look through the relocs and do any special handling 360 required. This generally means allocating space in the global 361 offset table, and perhaps allocating space for a reloc. The 362 relocs are always passed as Rela structures; if the section 363 actually uses Rel structures, the r_addend field will always be 364 zero. */ 365 boolean (*check_relocs) 366 PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *o, 367 const Elf_Internal_Rela *relocs)); 368 369 /* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend 370 linker for every symbol which is defined by a dynamic object and 371 referenced by a regular object. This is called after all the 372 input files have been seen, but before the SIZE_DYNAMIC_SECTIONS 373 function has been called. The hash table entry should be 374 bfd_link_hash_defined ore bfd_link_hash_defweak, and it should be 375 defined in a section from a dynamic object. Dynamic object 376 sections are not included in the final link, and this function is 377 responsible for changing the value to something which the rest of 378 the link can deal with. This will normally involve adding an 379 entry to the .plt or .got or some such section, and setting the 380 symbol to point to that. */ 381 boolean (*elf_backend_adjust_dynamic_symbol) 382 PARAMS ((struct bfd_link_info *info, struct elf_link_hash_entry *h)); 383 384 /* The ALWAYS_SIZE_SECTIONS function is called by the backend linker 385 after all the linker input files have been seen but before the 386 section sizes have been set. This is called after 387 ADJUST_DYNAMIC_SYMBOL, but before SIZE_DYNAMIC_SECTIONS. */ 388 boolean (*elf_backend_always_size_sections) 389 PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); 390 391 /* The SIZE_DYNAMIC_SECTIONS function is called by the ELF backend 392 linker after all the linker input files have been seen but before 393 the sections sizes have been set. This is called after 394 ADJUST_DYNAMIC_SYMBOL has been called on all appropriate symbols. 395 It is only called when linking against a dynamic object. It must 396 set the sizes of the dynamic sections, and may fill in their 397 contents as well. The generic ELF linker can handle the .dynsym, 398 .dynstr and .hash sections. This function must handle the 399 .interp section and any sections created by the 400 CREATE_DYNAMIC_SECTIONS entry point. */ 401 boolean (*elf_backend_size_dynamic_sections) 402 PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); 403 404 /* The RELOCATE_SECTION function is called by the ELF backend linker 405 to handle the relocations for a section. 406 407 The relocs are always passed as Rela structures; if the section 408 actually uses Rel structures, the r_addend field will always be 409 zero. 410 411 This function is responsible for adjust the section contents as 412 necessary, and (if using Rela relocs and generating a 413 relocateable output file) adjusting the reloc addend as 414 necessary. 415 416 This function does not have to worry about setting the reloc 417 address or the reloc symbol index. 418 419 LOCAL_SYMS is a pointer to the swapped in local symbols. 420 421 LOCAL_SECTIONS is an array giving the section in the input file 422 corresponding to the st_shndx field of each local symbol. 423 424 The global hash table entry for the global symbols can be found 425 via elf_sym_hashes (input_bfd). 426 427 When generating relocateable output, this function must handle 428 STB_LOCAL/STT_SECTION symbols specially. The output symbol is 429 going to be the section symbol corresponding to the output 430 section, which means that the addend must be adjusted 431 accordingly. */ 432 boolean (*elf_backend_relocate_section) 433 PARAMS ((bfd *output_bfd, struct bfd_link_info *info, 434 bfd *input_bfd, asection *input_section, bfd_byte *contents, 435 Elf_Internal_Rela *relocs, Elf_Internal_Sym *local_syms, 436 asection **local_sections)); 437 438 /* The FINISH_DYNAMIC_SYMBOL function is called by the ELF backend 439 linker just before it writes a symbol out to the .dynsym section. 440 The processor backend may make any required adjustment to the 441 symbol. It may also take the opportunity to set contents of the 442 dynamic sections. Note that FINISH_DYNAMIC_SYMBOL is called on 443 all .dynsym symbols, while ADJUST_DYNAMIC_SYMBOL is only called 444 on those symbols which are defined by a dynamic object. */ 445 boolean (*elf_backend_finish_dynamic_symbol) 446 PARAMS ((bfd *output_bfd, struct bfd_link_info *info, 447 struct elf_link_hash_entry *h, Elf_Internal_Sym *sym)); 448 449 /* The FINISH_DYNAMIC_SECTIONS function is called by the ELF backend 450 linker just before it writes all the dynamic sections out to the 451 output file. The FINISH_DYNAMIC_SYMBOL will have been called on 452 all dynamic symbols. */ 453 boolean (*elf_backend_finish_dynamic_sections) 454 PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); 455 456 /* A function to do any beginning processing needed for the ELF file 457 before building the ELF headers and computing file positions. */ 458 void (*elf_backend_begin_write_processing) 459 PARAMS ((bfd *, struct bfd_link_info *)); 460 461 /* A function to do any final processing needed for the ELF file 462 before writing it out. The LINKER argument is true if this BFD 463 was created by the ELF backend linker. */ 464 void (*elf_backend_final_write_processing) 465 PARAMS ((bfd *, boolean linker)); 466 467 /* This function is called by get_program_header_size. It should 468 return the number of additional program segments which this BFD 469 will need. It should return -1 on error. */ 470 int (*elf_backend_additional_program_headers) PARAMS ((bfd *)); 471 472 /* This function is called to modify an existing segment map in a 473 backend specific fashion. */ 474 boolean (*elf_backend_modify_segment_map) PARAMS ((bfd *)); 475 476 /* The swapping table to use when dealing with ECOFF information. 477 Used for the MIPS ELF .mdebug section. */ 478 const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap; 479 480 /* Alternate EM_xxxx machine codes for this backend. */ 481 int elf_machine_alt1; 482 int elf_machine_alt2; 483 484 const struct elf_size_info *s; 485 486 /* offset of the _GLOBAL_OFFSET_TABLE_ symbol from the start of the 487 .got section */ 488 bfd_vma got_symbol_offset; 489 490 unsigned want_got_plt : 1; 491 unsigned plt_readonly : 1; 492 unsigned want_plt_sym : 1; 493 unsigned plt_not_loaded : 1; 494 unsigned plt_alignment : 4; 495}; 496 497/* Information stored for each BFD section in an ELF file. This 498 structure is allocated by elf_new_section_hook. */ 499 500struct bfd_elf_section_data 501{ 502 /* The ELF header for this section. */ 503 Elf_Internal_Shdr this_hdr; 504 /* The ELF header for the reloc section associated with this 505 section, if any. */ 506 Elf_Internal_Shdr rel_hdr; 507 /* If there is a second reloc section associated with this section, 508 as can happen on Irix 6, this field points to the header. */ 509 Elf_Internal_Shdr *rel_hdr2; 510 /* The ELF section number of this section. Only used for an output 511 file. */ 512 int this_idx; 513 /* The ELF section number of the reloc section associated with this 514 section, if any. Only used for an output file. */ 515 int rel_idx; 516 /* Used by the backend linker to store the symbol hash table entries 517 associated with relocs against global symbols. */ 518 struct elf_link_hash_entry **rel_hashes; 519 /* A pointer to the swapped relocs. If the section uses REL relocs, 520 rather than RELA, all the r_addend fields will be zero. This 521 pointer may be NULL. It is used by the backend linker. */ 522 Elf_Internal_Rela *relocs; 523 /* Used by the backend linker when generating a shared library to 524 record the dynamic symbol index for a section symbol 525 corresponding to this section. */ 526 long dynindx; 527 /* A pointer used for .stab linking optimizations. */ 528 PTR stab_info; 529 /* A pointer available for the processor specific ELF backend. */ 530 PTR tdata; 531}; 532 533#define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd) 534 535#define get_elf_backend_data(abfd) \ 536 ((struct elf_backend_data *) (abfd)->xvec->backend_data) 537 538/* Enumeration to specify the special section. */ 539typedef enum elf_linker_section_enum 540{ 541 LINKER_SECTION_UNKNOWN, /* not used */ 542 LINKER_SECTION_GOT, /* .got section for global offset pointers */ 543 LINKER_SECTION_PLT, /* .plt section for generated procedure stubs */ 544 LINKER_SECTION_SDATA, /* .sdata/.sbss section for PowerPC */ 545 LINKER_SECTION_SDATA2, /* .sdata2/.sbss2 section for PowerPC */ 546 LINKER_SECTION_MAX /* # of linker sections */ 547} elf_linker_section_enum_t; 548 549/* Sections created by the linker. */ 550 551typedef struct elf_linker_section 552{ 553 char *name; /* name of the section */ 554 char *rel_name; /* name of the associated .rel{,a}. section */ 555 char *bss_name; /* name of a related .bss section */ 556 char *sym_name; /* name of symbol to reference this section */ 557 asection *section; /* pointer to the section */ 558 asection *bss_section; /* pointer to the bss section associated with this */ 559 asection *rel_section; /* pointer to the relocations needed for this section */ 560 struct elf_link_hash_entry *sym_hash; /* pointer to the created symbol hash value */ 561 bfd_vma initial_size; /* initial size before any linker generated allocations */ 562 bfd_vma sym_offset; /* offset of symbol from beginning of section */ 563 bfd_vma hole_size; /* size of reserved address hole in allocation */ 564 bfd_vma hole_offset; /* current offset for the hole */ 565 bfd_vma max_hole_offset; /* maximum offset for the hole */ 566 elf_linker_section_enum_t which; /* which section this is */ 567 boolean hole_written_p; /* whether the hole has been initialized */ 568 unsigned int alignment; /* alignment for the section */ 569 flagword flags; /* flags to use to create the section */ 570} elf_linker_section_t; 571 572/* Linked list of allocated pointer entries. This hangs off of the symbol lists, and 573 provides allows us to return different pointers, based on different addend's. */ 574 575typedef struct elf_linker_section_pointers 576{ 577 struct elf_linker_section_pointers *next; /* next allocated pointer for this symbol */ 578 bfd_vma offset; /* offset of pointer from beginning of section */ 579 bfd_signed_vma addend; /* addend used */ 580 elf_linker_section_enum_t which; /* which linker section this is */ 581 boolean written_address_p; /* whether address was written yet */ 582} elf_linker_section_pointers_t; 583 584/* Some private data is stashed away for future use using the tdata pointer 585 in the bfd structure. */ 586 587struct elf_obj_tdata 588{ 589 Elf_Internal_Ehdr elf_header[1]; /* Actual data, but ref like ptr */ 590 Elf_Internal_Shdr **elf_sect_ptr; 591 Elf_Internal_Phdr *phdr; 592 struct elf_segment_map *segment_map; 593 struct bfd_strtab_hash *strtab_ptr; 594 int num_locals; 595 int num_globals; 596 asymbol **section_syms; /* STT_SECTION symbols for each section */ 597 Elf_Internal_Shdr symtab_hdr; 598 Elf_Internal_Shdr shstrtab_hdr; 599 Elf_Internal_Shdr strtab_hdr; 600 Elf_Internal_Shdr dynsymtab_hdr; 601 Elf_Internal_Shdr dynstrtab_hdr; 602 Elf_Internal_Shdr dynversym_hdr; 603 Elf_Internal_Shdr dynverref_hdr; 604 Elf_Internal_Shdr dynverdef_hdr; 605 unsigned int symtab_section, shstrtab_section; 606 unsigned int strtab_section, dynsymtab_section; 607 unsigned int dynversym_section, dynverdef_section, dynverref_section; 608 file_ptr next_file_pos; 609 void *prstatus; /* The raw /proc prstatus structure */ 610 void *prpsinfo; /* The raw /proc prpsinfo structure */ 611 bfd_vma gp; /* The gp value (MIPS only, for now) */ 612 unsigned int gp_size; /* The gp size (MIPS only, for now) */ 613 614 /* This is set to true if the object was created by the backend 615 linker. */ 616 boolean linker; 617 618 /* A mapping from external symbols to entries in the linker hash 619 table, used when linking. This is indexed by the symbol index 620 minus the sh_info field of the symbol table header. */ 621 struct elf_link_hash_entry **sym_hashes; 622 623 /* A mapping from local symbols to offsets into the global offset 624 table, used when linking. This is indexed by the symbol index. */ 625 bfd_vma *local_got_offsets; 626 627 /* A mapping from local symbols to offsets into the various linker 628 sections added. This is index by the symbol index. */ 629 elf_linker_section_pointers_t **linker_section_pointers; 630 631 /* The linker ELF emulation code needs to let the backend ELF linker 632 know what filename should be used for a dynamic object if the 633 dynamic object is found using a search. The emulation code then 634 sometimes needs to know what name was actually used. Until the 635 file has been added to the linker symbol table, this field holds 636 the name the linker wants. After it has been added, it holds the 637 name actually used, which will be the DT_SONAME entry if there is 638 one. */ 639 const char *dt_name; 640 641 /* Irix 5 often screws up the symbol table, sorting local symbols 642 after global symbols. This flag is set if the symbol table in 643 this BFD appears to be screwed up. If it is, we ignore the 644 sh_info field in the symbol table header, and always read all the 645 symbols. */ 646 boolean bad_symtab; 647 648 /* Records the result of `get_program_header_size'. */ 649 bfd_size_type program_header_size; 650 651 /* Used by find_nearest_line entry point. */ 652 PTR line_info; 653 654 /* Used by MIPS ELF find_nearest_line entry point. The structure 655 could be included directly in this one, but there's no point to 656 wasting the memory just for the infrequently called 657 find_nearest_line. */ 658 struct mips_elf_find_line *find_line_info; 659 660 /* A place to stash dwarf2 info for this bfd. */ 661 struct dwarf2_debug *dwarf2_find_line_info; 662 663 /* An array of stub sections indexed by symbol number, used by the 664 MIPS ELF linker. FIXME: We should figure out some way to only 665 include this field for a MIPS ELF target. */ 666 asection **local_stubs; 667 668 /* Used to determine if the e_flags field has been initialized */ 669 boolean flags_init; 670 671 /* Number of symbol version definitions we are about to emit. */ 672 unsigned int cverdefs; 673 674 /* Number of symbol version references we are about to emit. */ 675 unsigned int cverrefs; 676 677 /* Symbol version definitions in external objects. */ 678 Elf_Internal_Verdef *verdef; 679 680 /* Symbol version references to external objects. */ 681 Elf_Internal_Verneed *verref; 682 683 /* Linker sections that we are interested in. */ 684 struct elf_linker_section *linker_section[ (int)LINKER_SECTION_MAX ]; 685}; 686 687#define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data) 688#define elf_elfheader(bfd) (elf_tdata(bfd) -> elf_header) 689#define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr) 690#define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr) 691#define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section) 692#define elf_dynsymtab(bfd) (elf_tdata(bfd) -> dynsymtab_section) 693#define elf_dynversym(bfd) (elf_tdata(bfd) -> dynversym_section) 694#define elf_dynverdef(bfd) (elf_tdata(bfd) -> dynverdef_section) 695#define elf_dynverref(bfd) (elf_tdata(bfd) -> dynverref_section) 696#define elf_num_locals(bfd) (elf_tdata(bfd) -> num_locals) 697#define elf_num_globals(bfd) (elf_tdata(bfd) -> num_globals) 698#define elf_section_syms(bfd) (elf_tdata(bfd) -> section_syms) 699#define core_prpsinfo(bfd) (elf_tdata(bfd) -> prpsinfo) 700#define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus) 701#define elf_gp(bfd) (elf_tdata(bfd) -> gp) 702#define elf_gp_size(bfd) (elf_tdata(bfd) -> gp_size) 703#define elf_sym_hashes(bfd) (elf_tdata(bfd) -> sym_hashes) 704#define elf_local_got_offsets(bfd) (elf_tdata(bfd) -> local_got_offsets) 705#define elf_local_ptr_offsets(bfd) (elf_tdata(bfd) -> linker_section_pointers) 706#define elf_dt_name(bfd) (elf_tdata(bfd) -> dt_name) 707#define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab) 708#define elf_flags_init(bfd) (elf_tdata(bfd) -> flags_init) 709#define elf_linker_section(bfd,n) (elf_tdata(bfd) -> linker_section[(int)n]) 710 711extern void _bfd_elf_swap_verdef_in 712 PARAMS ((bfd *, const Elf_External_Verdef *, Elf_Internal_Verdef *)); 713extern void _bfd_elf_swap_verdef_out 714 PARAMS ((bfd *, const Elf_Internal_Verdef *, Elf_External_Verdef *)); 715extern void _bfd_elf_swap_verdaux_in 716 PARAMS ((bfd *, const Elf_External_Verdaux *, Elf_Internal_Verdaux *)); 717extern void _bfd_elf_swap_verdaux_out 718 PARAMS ((bfd *, const Elf_Internal_Verdaux *, Elf_External_Verdaux *)); 719extern void _bfd_elf_swap_verneed_in 720 PARAMS ((bfd *, const Elf_External_Verneed *, Elf_Internal_Verneed *)); 721extern void _bfd_elf_swap_verneed_out 722 PARAMS ((bfd *, const Elf_Internal_Verneed *, Elf_External_Verneed *)); 723extern void _bfd_elf_swap_vernaux_in 724 PARAMS ((bfd *, const Elf_External_Vernaux *, Elf_Internal_Vernaux *)); 725extern void _bfd_elf_swap_vernaux_out 726 PARAMS ((bfd *, const Elf_Internal_Vernaux *, Elf_External_Vernaux *)); 727extern void _bfd_elf_swap_versym_in 728 PARAMS ((bfd *, const Elf_External_Versym *, Elf_Internal_Versym *)); 729extern void _bfd_elf_swap_versym_out 730 PARAMS ((bfd *, const Elf_Internal_Versym *, Elf_External_Versym *)); 731 732extern int _bfd_elf_section_from_bfd_section PARAMS ((bfd *, asection *)); 733extern char *bfd_elf_string_from_elf_section 734 PARAMS ((bfd *, unsigned, unsigned)); 735extern char *bfd_elf_get_str_section PARAMS ((bfd *, unsigned)); 736 737extern boolean _bfd_elf_print_private_bfd_data PARAMS ((bfd *, PTR)); 738extern void bfd_elf_print_symbol PARAMS ((bfd *, PTR, asymbol *, 739 bfd_print_symbol_type)); 740#define elf_string_from_elf_strtab(abfd,strindex) \ 741 bfd_elf_string_from_elf_section(abfd,elf_elfheader(abfd)->e_shstrndx,strindex) 742 743#define bfd_elf32_print_symbol bfd_elf_print_symbol 744#define bfd_elf64_print_symbol bfd_elf_print_symbol 745 746extern unsigned long bfd_elf_hash PARAMS ((CONST unsigned char *)); 747 748extern bfd_reloc_status_type bfd_elf_generic_reloc PARAMS ((bfd *, 749 arelent *, 750 asymbol *, 751 PTR, 752 asection *, 753 bfd *, 754 char **)); 755extern boolean bfd_elf_mkobject PARAMS ((bfd *)); 756extern Elf_Internal_Shdr *bfd_elf_find_section PARAMS ((bfd *, char *)); 757extern boolean _bfd_elf_make_section_from_shdr 758 PARAMS ((bfd *abfd, Elf_Internal_Shdr *hdr, const char *name)); 759extern struct bfd_hash_entry *_bfd_elf_link_hash_newfunc 760 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); 761extern struct bfd_link_hash_table *_bfd_elf_link_hash_table_create 762 PARAMS ((bfd *)); 763extern boolean _bfd_elf_link_hash_table_init 764 PARAMS ((struct elf_link_hash_table *, bfd *, 765 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 766 struct bfd_hash_table *, 767 const char *))); 768extern boolean _bfd_elf_slurp_version_tables PARAMS ((bfd *)); 769 770extern boolean _bfd_elf_copy_private_symbol_data 771 PARAMS ((bfd *, asymbol *, bfd *, asymbol *)); 772extern boolean _bfd_elf_copy_private_section_data 773 PARAMS ((bfd *, asection *, bfd *, asection *)); 774extern boolean _bfd_elf_write_object_contents PARAMS ((bfd *)); 775extern boolean _bfd_elf_set_section_contents PARAMS ((bfd *, sec_ptr, PTR, 776 file_ptr, 777 bfd_size_type)); 778extern long _bfd_elf_get_symtab_upper_bound PARAMS ((bfd *)); 779extern long _bfd_elf_get_symtab PARAMS ((bfd *, asymbol **)); 780extern long _bfd_elf_get_dynamic_symtab_upper_bound PARAMS ((bfd *)); 781extern long _bfd_elf_canonicalize_dynamic_symtab PARAMS ((bfd *, asymbol **)); 782extern long _bfd_elf_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr)); 783extern long _bfd_elf_canonicalize_reloc PARAMS ((bfd *, sec_ptr, 784 arelent **, asymbol **)); 785extern long _bfd_elf_get_dynamic_reloc_upper_bound PARAMS ((bfd *)); 786extern long _bfd_elf_canonicalize_dynamic_reloc PARAMS ((bfd *, arelent **, 787 asymbol **)); 788extern asymbol *_bfd_elf_make_empty_symbol PARAMS ((bfd *)); 789extern void _bfd_elf_get_symbol_info PARAMS ((bfd *, asymbol *, 790 symbol_info *)); 791extern boolean _bfd_elf_is_local_label_name PARAMS ((bfd *, const char *)); 792extern alent *_bfd_elf_get_lineno PARAMS ((bfd *, asymbol *)); 793extern boolean _bfd_elf_set_arch_mach PARAMS ((bfd *, enum bfd_architecture, 794 unsigned long)); 795extern boolean _bfd_elf_find_nearest_line PARAMS ((bfd *, asection *, 796 asymbol **, 797 bfd_vma, CONST char **, 798 CONST char **, 799 unsigned int *)); 800#define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols 801#define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol 802extern int _bfd_elf_sizeof_headers PARAMS ((bfd *, boolean)); 803extern boolean _bfd_elf_new_section_hook PARAMS ((bfd *, asection *)); 804 805/* If the target doesn't have reloc handling written yet: */ 806extern void _bfd_elf_no_info_to_howto PARAMS ((bfd *, arelent *, 807 Elf_Internal_Rela *)); 808 809extern boolean bfd_section_from_shdr PARAMS ((bfd *, unsigned int shindex)); 810extern boolean bfd_section_from_phdr PARAMS ((bfd *, Elf_Internal_Phdr *, int)); 811 812extern int _bfd_elf_symbol_from_bfd_symbol PARAMS ((bfd *, asymbol **)); 813 814asection *bfd_section_from_elf_index PARAMS ((bfd *, unsigned int)); 815boolean _bfd_elf_create_dynamic_sections PARAMS ((bfd *, 816 struct bfd_link_info *)); 817struct bfd_strtab_hash *_bfd_elf_stringtab_init PARAMS ((void)); 818boolean 819_bfd_elf_link_record_dynamic_symbol PARAMS ((struct bfd_link_info *, 820 struct elf_link_hash_entry *)); 821boolean 822_bfd_elf_compute_section_file_positions PARAMS ((bfd *, 823 struct bfd_link_info *)); 824void _bfd_elf_assign_file_positions_for_relocs PARAMS ((bfd *)); 825file_ptr _bfd_elf_assign_file_position_for_section PARAMS ((Elf_Internal_Shdr *, 826 file_ptr, 827 boolean)); 828 829extern boolean _bfd_elf_validate_reloc PARAMS ((bfd *, arelent *)); 830 831boolean _bfd_elf_create_dynamic_sections PARAMS ((bfd *, 832 struct bfd_link_info *)); 833boolean _bfd_elf_create_got_section PARAMS ((bfd *, 834 struct bfd_link_info *)); 835 836elf_linker_section_t *_bfd_elf_create_linker_section 837 PARAMS ((bfd *abfd, 838 struct bfd_link_info *info, 839 enum elf_linker_section_enum, 840 elf_linker_section_t *defaults)); 841 842elf_linker_section_pointers_t *_bfd_elf_find_pointer_linker_section 843 PARAMS ((elf_linker_section_pointers_t *linker_pointers, 844 bfd_signed_vma addend, 845 elf_linker_section_enum_t which)); 846 847boolean bfd_elf32_create_pointer_linker_section 848 PARAMS ((bfd *abfd, 849 struct bfd_link_info *info, 850 elf_linker_section_t *lsect, 851 struct elf_link_hash_entry *h, 852 const Elf32_Internal_Rela *rel)); 853 854bfd_vma bfd_elf32_finish_pointer_linker_section 855 PARAMS ((bfd *output_abfd, 856 bfd *input_bfd, 857 struct bfd_link_info *info, 858 elf_linker_section_t *lsect, 859 struct elf_link_hash_entry *h, 860 bfd_vma relocation, 861 const Elf32_Internal_Rela *rel, 862 int relative_reloc)); 863 864boolean bfd_elf64_create_pointer_linker_section 865 PARAMS ((bfd *abfd, 866 struct bfd_link_info *info, 867 elf_linker_section_t *lsect, 868 struct elf_link_hash_entry *h, 869 const Elf64_Internal_Rela *rel)); 870 871bfd_vma bfd_elf64_finish_pointer_linker_section 872 PARAMS ((bfd *output_abfd, 873 bfd *input_bfd, 874 struct bfd_link_info *info, 875 elf_linker_section_t *lsect, 876 struct elf_link_hash_entry *h, 877 bfd_vma relocation, 878 const Elf64_Internal_Rela *rel, 879 int relative_reloc)); 880 881boolean _bfd_elf_make_linker_section_rela 882 PARAMS ((bfd *dynobj, 883 elf_linker_section_t *lsect, 884 int alignment)); 885 886extern const bfd_target *bfd_elf32_object_p PARAMS ((bfd *)); 887extern const bfd_target *bfd_elf32_core_file_p PARAMS ((bfd *)); 888extern char *bfd_elf32_core_file_failing_command PARAMS ((bfd *)); 889extern int bfd_elf32_core_file_failing_signal PARAMS ((bfd *)); 890extern boolean bfd_elf32_core_file_matches_executable_p PARAMS ((bfd *, 891 bfd *)); 892 893extern boolean bfd_elf32_bfd_link_add_symbols 894 PARAMS ((bfd *, struct bfd_link_info *)); 895extern boolean bfd_elf32_bfd_final_link 896 PARAMS ((bfd *, struct bfd_link_info *)); 897 898extern void bfd_elf32_swap_symbol_in 899 PARAMS ((bfd *, const Elf32_External_Sym *, Elf_Internal_Sym *)); 900extern void bfd_elf32_swap_symbol_out 901 PARAMS ((bfd *, const Elf_Internal_Sym *, PTR)); 902extern void bfd_elf32_swap_reloc_in 903 PARAMS ((bfd *, const Elf32_External_Rel *, Elf_Internal_Rel *)); 904extern void bfd_elf32_swap_reloc_out 905 PARAMS ((bfd *, const Elf_Internal_Rel *, Elf32_External_Rel *)); 906extern void bfd_elf32_swap_reloca_in 907 PARAMS ((bfd *, const Elf32_External_Rela *, Elf_Internal_Rela *)); 908extern void bfd_elf32_swap_reloca_out 909 PARAMS ((bfd *, const Elf_Internal_Rela *, Elf32_External_Rela *)); 910extern void bfd_elf32_swap_phdr_in 911 PARAMS ((bfd *, const Elf32_External_Phdr *, Elf_Internal_Phdr *)); 912extern void bfd_elf32_swap_phdr_out 913 PARAMS ((bfd *, const Elf_Internal_Phdr *, Elf32_External_Phdr *)); 914extern void bfd_elf32_swap_dyn_in 915 PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); 916extern void bfd_elf32_swap_dyn_out 917 PARAMS ((bfd *, const Elf_Internal_Dyn *, Elf32_External_Dyn *)); 918extern long bfd_elf32_slurp_symbol_table 919 PARAMS ((bfd *, asymbol **, boolean)); 920extern boolean bfd_elf32_write_shdrs_and_ehdr PARAMS ((bfd *)); 921extern int bfd_elf32_write_out_phdrs 922 PARAMS ((bfd *, const Elf_Internal_Phdr *, int)); 923extern boolean bfd_elf32_add_dynamic_entry 924 PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma)); 925extern boolean bfd_elf32_link_create_dynamic_sections 926 PARAMS ((bfd *, struct bfd_link_info *)); 927extern Elf_Internal_Rela *_bfd_elf32_link_read_relocs 928 PARAMS ((bfd *, asection *, PTR, Elf_Internal_Rela *, boolean)); 929 930extern const bfd_target *bfd_elf64_object_p PARAMS ((bfd *)); 931extern const bfd_target *bfd_elf64_core_file_p PARAMS ((bfd *)); 932extern char *bfd_elf64_core_file_failing_command PARAMS ((bfd *)); 933extern int bfd_elf64_core_file_failing_signal PARAMS ((bfd *)); 934extern boolean bfd_elf64_core_file_matches_executable_p PARAMS ((bfd *, 935 bfd *)); 936extern boolean bfd_elf64_bfd_link_add_symbols 937 PARAMS ((bfd *, struct bfd_link_info *)); 938extern boolean bfd_elf64_bfd_final_link 939 PARAMS ((bfd *, struct bfd_link_info *)); 940 941extern void bfd_elf64_swap_symbol_in 942 PARAMS ((bfd *, const Elf64_External_Sym *, Elf_Internal_Sym *)); 943extern void bfd_elf64_swap_symbol_out 944 PARAMS ((bfd *, const Elf_Internal_Sym *, PTR)); 945extern void bfd_elf64_swap_reloc_in 946 PARAMS ((bfd *, const Elf64_External_Rel *, Elf_Internal_Rel *)); 947extern void bfd_elf64_swap_reloc_out 948 PARAMS ((bfd *, const Elf_Internal_Rel *, Elf64_External_Rel *)); 949extern void bfd_elf64_swap_reloca_in 950 PARAMS ((bfd *, const Elf64_External_Rela *, Elf_Internal_Rela *)); 951extern void bfd_elf64_swap_reloca_out 952 PARAMS ((bfd *, const Elf_Internal_Rela *, Elf64_External_Rela *)); 953extern void bfd_elf64_swap_phdr_in 954 PARAMS ((bfd *, const Elf64_External_Phdr *, Elf_Internal_Phdr *)); 955extern void bfd_elf64_swap_phdr_out 956 PARAMS ((bfd *, const Elf_Internal_Phdr *, Elf64_External_Phdr *)); 957extern void bfd_elf64_swap_dyn_in 958 PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); 959extern void bfd_elf64_swap_dyn_out 960 PARAMS ((bfd *, const Elf_Internal_Dyn *, Elf64_External_Dyn *)); 961extern long bfd_elf64_slurp_symbol_table 962 PARAMS ((bfd *, asymbol **, boolean)); 963extern boolean bfd_elf64_write_shdrs_and_ehdr PARAMS ((bfd *)); 964extern int bfd_elf64_write_out_phdrs 965 PARAMS ((bfd *, const Elf_Internal_Phdr *, int)); 966extern boolean bfd_elf64_add_dynamic_entry 967 PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma)); 968extern boolean bfd_elf64_link_create_dynamic_sections 969 PARAMS ((bfd *, struct bfd_link_info *)); 970extern Elf_Internal_Rela *_bfd_elf64_link_read_relocs 971 PARAMS ((bfd *, asection *, PTR, Elf_Internal_Rela *, boolean)); 972 973#define bfd_elf32_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol 974#define bfd_elf64_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol 975 976extern boolean _bfd_elf_close_and_cleanup PARAMS ((bfd *)); 977 978/* MIPS ELF specific routines. */ 979 980extern boolean _bfd_mips_elf_object_p PARAMS ((bfd *)); 981extern boolean _bfd_mips_elf_section_from_shdr 982 PARAMS ((bfd *, Elf_Internal_Shdr *, const char *)); 983extern boolean _bfd_mips_elf_fake_sections 984 PARAMS ((bfd *, Elf_Internal_Shdr *, asection *)); 985extern boolean _bfd_mips_elf_section_from_bfd_section 986 PARAMS ((bfd *, Elf_Internal_Shdr *, asection *, int *)); 987extern boolean _bfd_mips_elf_section_processing 988 PARAMS ((bfd *, Elf_Internal_Shdr *)); 989extern void _bfd_mips_elf_symbol_processing PARAMS ((bfd *, asymbol *)); 990extern boolean _bfd_mips_elf_read_ecoff_info 991 PARAMS ((bfd *, asection *, struct ecoff_debug_info *)); 992extern void _bfd_mips_elf_final_write_processing PARAMS ((bfd *, boolean)); 993extern bfd_reloc_status_type _bfd_mips_elf_hi16_reloc 994 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); 995extern bfd_reloc_status_type _bfd_mips_elf_lo16_reloc 996 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); 997extern bfd_reloc_status_type _bfd_mips_elf_gprel16_reloc 998 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); 999extern bfd_reloc_status_type _bfd_mips_elf_got16_reloc 1000 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); 1001extern bfd_reloc_status_type _bfd_mips_elf_gprel32_reloc 1002 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); 1003extern boolean _bfd_mips_elf_set_private_flags PARAMS ((bfd *, flagword)); 1004extern boolean _bfd_mips_elf_copy_private_bfd_data PARAMS ((bfd *, bfd *)); 1005extern boolean _bfd_mips_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *)); 1006extern boolean _bfd_mips_elf_find_nearest_line 1007 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, 1008 const char **, unsigned int *)); 1009extern boolean _bfd_mips_elf_set_section_contents 1010 PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); 1011 1012#endif /* _LIBELF_H_ */ 1013