1 /* Main header file for the bfd library -- portable access to object files. 2 3 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 4 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 5 Free Software Foundation, Inc. 6 7 Contributed by Cygnus Support. 8 9 This file is part of BFD, the Binary File Descriptor library. 10 11 This program is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; either version 2 of the License, or 14 (at your option) any later version. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software 23 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 24 25 #ifndef __BFD_H_SEEN__ 26 #define __BFD_H_SEEN__ 27 28 #ifdef __cplusplus 29 extern "C" { 30 #endif 31 32 #include "ansidecl.h" 33 #include "symcat.h" 34 #include <time.h> /* time_t */ 35 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) 36 #ifndef SABER 37 /* This hack is to avoid a problem with some strict ANSI C preprocessors. 38 The problem is, "32_" is not a valid preprocessing token, and we don't 39 want extra underscores (e.g., "nlm_32_"). The XCONCAT2 macro will 40 cause the inner CONCAT2 macros to be evaluated first, producing 41 still-valid pp-tokens. Then the final concatenation can be done. */ 42 #undef CONCAT4 43 #define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d)) 44 #endif 45 #endif 46 47 /* The word size used by BFD on the host. This may be 64 with a 32 48 bit target if the host is 64 bit, or if other 64 bit targets have 49 been selected with --enable-targets, or if --enable-64-bit-bfd. */ 50 #define BFD_ARCH_SIZE @wordsize@ 51 52 /* The word size of the default bfd target. */ 53 #define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@ 54 55 #define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@ 56 #define BFD_HOST_LONG_LONG @BFD_HOST_LONG_LONG@ 57 #if @BFD_HOST_64_BIT_DEFINED@ 58 #define BFD_HOST_64_BIT @BFD_HOST_64_BIT@ 59 #define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@ 60 typedef BFD_HOST_64_BIT bfd_int64_t; 61 typedef BFD_HOST_U_64_BIT bfd_uint64_t; 62 #endif 63 64 #if BFD_ARCH_SIZE >= 64 65 #define BFD64 66 #endif 67 68 #ifndef INLINE 69 #if __GNUC__ >= 2 70 #define INLINE __inline__ 71 #else 72 #define INLINE 73 #endif 74 #endif 75 76 /* Forward declaration. */ 77 typedef struct bfd bfd; 78 79 /* Boolean type used in bfd. Too many systems define their own 80 versions of "boolean" for us to safely typedef a "boolean" of 81 our own. Using an enum for "bfd_boolean" has its own set of 82 problems, with strange looking casts required to avoid warnings 83 on some older compilers. Thus we just use an int. 84 85 General rule: Functions which are bfd_boolean return TRUE on 86 success and FALSE on failure (unless they're a predicate). */ 87 88 typedef int bfd_boolean; 89 #undef FALSE 90 #undef TRUE 91 #define FALSE 0 92 #define TRUE 1 93 94 #ifdef BFD64 95 96 #ifndef BFD_HOST_64_BIT 97 #error No 64 bit integer type available 98 #endif /* ! defined (BFD_HOST_64_BIT) */ 99 100 typedef BFD_HOST_U_64_BIT bfd_vma; 101 typedef BFD_HOST_64_BIT bfd_signed_vma; 102 typedef BFD_HOST_U_64_BIT bfd_size_type; 103 typedef BFD_HOST_U_64_BIT symvalue; 104 105 #ifndef fprintf_vma 106 #if BFD_HOST_64BIT_LONG 107 #define sprintf_vma(s,x) sprintf (s, "%016lx", x) 108 #define fprintf_vma(f,x) fprintf (f, "%016lx", x) 109 #else 110 #define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff))) 111 #define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff)) 112 #define fprintf_vma(s,x) \ 113 fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x)) 114 #define sprintf_vma(s,x) \ 115 sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x)) 116 #endif 117 #endif 118 119 #else /* not BFD64 */ 120 121 /* Represent a target address. Also used as a generic unsigned type 122 which is guaranteed to be big enough to hold any arithmetic types 123 we need to deal with. */ 124 typedef unsigned long bfd_vma; 125 126 /* A generic signed type which is guaranteed to be big enough to hold any 127 arithmetic types we need to deal with. Can be assumed to be compatible 128 with bfd_vma in the same way that signed and unsigned ints are compatible 129 (as parameters, in assignment, etc). */ 130 typedef long bfd_signed_vma; 131 132 typedef unsigned long symvalue; 133 typedef unsigned long bfd_size_type; 134 135 /* Print a bfd_vma x on stream s. */ 136 #define fprintf_vma(s,x) fprintf (s, "%08lx", x) 137 #define sprintf_vma(s,x) sprintf (s, "%08lx", x) 138 139 #endif /* not BFD64 */ 140 141 #define HALF_BFD_SIZE_TYPE \ 142 (((bfd_size_type) 1) << (8 * sizeof (bfd_size_type) / 2)) 143 144 #ifndef BFD_HOST_64_BIT 145 /* Fall back on a 32 bit type. The idea is to make these types always 146 available for function return types, but in the case that 147 BFD_HOST_64_BIT is undefined such a function should abort or 148 otherwise signal an error. */ 149 typedef bfd_signed_vma bfd_int64_t; 150 typedef bfd_vma bfd_uint64_t; 151 #endif 152 153 /* An offset into a file. BFD always uses the largest possible offset 154 based on the build time availability of fseek, fseeko, or fseeko64. */ 155 typedef @bfd_file_ptr@ file_ptr; 156 typedef unsigned @bfd_file_ptr@ ufile_ptr; 157 158 extern void bfd_sprintf_vma (bfd *, char *, bfd_vma); 159 extern void bfd_fprintf_vma (bfd *, void *, bfd_vma); 160 161 #define printf_vma(x) fprintf_vma(stdout,x) 162 #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x) 163 164 typedef unsigned int flagword; /* 32 bits of flags */ 165 typedef unsigned char bfd_byte; 166 167 /* File formats. */ 168 169 typedef enum bfd_format 170 { 171 bfd_unknown = 0, /* File format is unknown. */ 172 bfd_object, /* Linker/assembler/compiler output. */ 173 bfd_archive, /* Object archive file. */ 174 bfd_core, /* Core dump. */ 175 bfd_type_end /* Marks the end; don't use it! */ 176 } 177 bfd_format; 178 179 /* Values that may appear in the flags field of a BFD. These also 180 appear in the object_flags field of the bfd_target structure, where 181 they indicate the set of flags used by that backend (not all flags 182 are meaningful for all object file formats) (FIXME: at the moment, 183 the object_flags values have mostly just been copied from backend 184 to another, and are not necessarily correct). */ 185 186 /* No flags. */ 187 #define BFD_NO_FLAGS 0x00 188 189 /* BFD contains relocation entries. */ 190 #define HAS_RELOC 0x01 191 192 /* BFD is directly executable. */ 193 #define EXEC_P 0x02 194 195 /* BFD has line number information (basically used for F_LNNO in a 196 COFF header). */ 197 #define HAS_LINENO 0x04 198 199 /* BFD has debugging information. */ 200 #define HAS_DEBUG 0x08 201 202 /* BFD has symbols. */ 203 #define HAS_SYMS 0x10 204 205 /* BFD has local symbols (basically used for F_LSYMS in a COFF 206 header). */ 207 #define HAS_LOCALS 0x20 208 209 /* BFD is a dynamic object. */ 210 #define DYNAMIC 0x40 211 212 /* Text section is write protected (if D_PAGED is not set, this is 213 like an a.out NMAGIC file) (the linker sets this by default, but 214 clears it for -r or -N). */ 215 #define WP_TEXT 0x80 216 217 /* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the 218 linker sets this by default, but clears it for -r or -n or -N). */ 219 #define D_PAGED 0x100 220 221 /* BFD is relaxable (this means that bfd_relax_section may be able to 222 do something) (sometimes bfd_relax_section can do something even if 223 this is not set). */ 224 #define BFD_IS_RELAXABLE 0x200 225 226 /* This may be set before writing out a BFD to request using a 227 traditional format. For example, this is used to request that when 228 writing out an a.out object the symbols not be hashed to eliminate 229 duplicates. */ 230 #define BFD_TRADITIONAL_FORMAT 0x400 231 232 /* This flag indicates that the BFD contents are actually cached in 233 memory. If this is set, iostream points to a bfd_in_memory struct. */ 234 #define BFD_IN_MEMORY 0x800 235 236 /* The sections in this BFD specify a memory page. */ 237 #define HAS_LOAD_PAGE 0x1000 238 239 /* This BFD has been created by the linker and doesn't correspond 240 to any input file. */ 241 #define BFD_LINKER_CREATED 0x2000 242 243 /* This may be set before writing out a BFD to request that the output 244 be as deterministic as is supported by the format. For example, 245 archive members may have their uid, gid, timestamp, and mode all set 246 to constant, 'reasonable' values. */ 247 #define BFD_DETERMINISTIC 0x4000 248 249 /* Symbols and relocation. */ 250 251 /* A count of carsyms (canonical archive symbols). */ 252 typedef unsigned long symindex; 253 254 /* How to perform a relocation. */ 255 typedef const struct reloc_howto_struct reloc_howto_type; 256 257 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0) 258 259 /* General purpose part of a symbol X; 260 target specific parts are in libcoff.h, libaout.h, etc. */ 261 262 #define bfd_get_section(x) ((x)->section) 263 #define bfd_get_output_section(x) ((x)->section->output_section) 264 #define bfd_set_section(x,y) ((x)->section) = (y) 265 #define bfd_asymbol_base(x) ((x)->section->vma) 266 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value) 267 #define bfd_asymbol_name(x) ((x)->name) 268 /*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/ 269 #define bfd_asymbol_bfd(x) ((x)->the_bfd) 270 #define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour) 271 272 /* A canonical archive symbol. */ 273 /* This is a type pun with struct ranlib on purpose! */ 274 typedef struct carsym 275 { 276 char *name; 277 file_ptr file_offset; /* Look here to find the file. */ 278 } 279 carsym; /* To make these you call a carsymogen. */ 280 281 /* Used in generating armaps (archive tables of contents). 282 Perhaps just a forward definition would do? */ 283 struct orl /* Output ranlib. */ 284 { 285 char **name; /* Symbol name. */ 286 union 287 { 288 file_ptr pos; 289 bfd *abfd; 290 } u; /* bfd* or file position. */ 291 int namidx; /* Index into string table. */ 292 }; 293 294 /* Linenumber stuff. */ 295 typedef struct lineno_cache_entry 296 { 297 unsigned int line_number; /* Linenumber from start of function. */ 298 union 299 { 300 struct bfd_symbol *sym; /* Function name. */ 301 bfd_vma offset; /* Offset into section. */ 302 } u; 303 } 304 alent; 305 306 /* Object and core file sections. */ 307 308 #define align_power(addr, align) \ 309 (((addr) + ((bfd_vma) 1 << (align)) - 1) & ((bfd_vma) -1 << (align))) 310 311 typedef struct bfd_section *sec_ptr; 312 313 #define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0) 314 #define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0) 315 #define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0) 316 #define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0) 317 #define bfd_section_name(bfd, ptr) ((ptr)->name) 318 #define bfd_section_size(bfd, ptr) ((ptr)->size) 319 #define bfd_get_section_size(ptr) ((ptr)->size) 320 #define bfd_section_vma(bfd, ptr) ((ptr)->vma) 321 #define bfd_section_lma(bfd, ptr) ((ptr)->lma) 322 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power) 323 #define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0) 324 #define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata) 325 326 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0) 327 328 #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE) 329 #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE) 330 #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE) 331 /* Find the address one past the end of SEC. */ 332 #define bfd_get_section_limit(bfd, sec) \ 333 (((sec)->rawsize ? (sec)->rawsize : (sec)->size) \ 334 / bfd_octets_per_byte (bfd)) 335 336 typedef struct stat stat_type; 337 338 typedef enum bfd_print_symbol 339 { 340 bfd_print_symbol_name, 341 bfd_print_symbol_more, 342 bfd_print_symbol_all 343 } bfd_print_symbol_type; 344 345 /* Information about a symbol that nm needs. */ 346 347 typedef struct _symbol_info 348 { 349 symvalue value; 350 char type; 351 const char *name; /* Symbol name. */ 352 unsigned char stab_type; /* Stab type. */ 353 char stab_other; /* Stab other. */ 354 short stab_desc; /* Stab desc. */ 355 const char *stab_name; /* String for stab type. */ 356 } symbol_info; 357 358 /* Get the name of a stabs type code. */ 359 360 extern const char *bfd_get_stab_name (int); 361 362 /* Hash table routines. There is no way to free up a hash table. */ 363 364 /* An element in the hash table. Most uses will actually use a larger 365 structure, and an instance of this will be the first field. */ 366 367 struct bfd_hash_entry 368 { 369 /* Next entry for this hash code. */ 370 struct bfd_hash_entry *next; 371 /* String being hashed. */ 372 const char *string; 373 /* Hash code. This is the full hash code, not the index into the 374 table. */ 375 unsigned long hash; 376 }; 377 378 /* A hash table. */ 379 380 struct bfd_hash_table 381 { 382 /* The hash array. */ 383 struct bfd_hash_entry **table; 384 /* The number of slots in the hash table. */ 385 unsigned int size; 386 /* The size of elements. */ 387 unsigned int entsize; 388 /* A function used to create new elements in the hash table. The 389 first entry is itself a pointer to an element. When this 390 function is first invoked, this pointer will be NULL. However, 391 having the pointer permits a hierarchy of method functions to be 392 built each of which calls the function in the superclass. Thus 393 each function should be written to allocate a new block of memory 394 only if the argument is NULL. */ 395 struct bfd_hash_entry *(*newfunc) 396 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 397 /* An objalloc for this hash table. This is a struct objalloc *, 398 but we use void * to avoid requiring the inclusion of objalloc.h. */ 399 void *memory; 400 }; 401 402 /* Initialize a hash table. */ 403 extern bfd_boolean bfd_hash_table_init 404 (struct bfd_hash_table *, 405 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 406 struct bfd_hash_table *, 407 const char *), 408 unsigned int); 409 410 /* Initialize a hash table specifying a size. */ 411 extern bfd_boolean bfd_hash_table_init_n 412 (struct bfd_hash_table *, 413 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 414 struct bfd_hash_table *, 415 const char *), 416 unsigned int, unsigned int); 417 418 /* Free up a hash table. */ 419 extern void bfd_hash_table_free 420 (struct bfd_hash_table *); 421 422 /* Look up a string in a hash table. If CREATE is TRUE, a new entry 423 will be created for this string if one does not already exist. The 424 COPY argument must be TRUE if this routine should copy the string 425 into newly allocated memory when adding an entry. */ 426 extern struct bfd_hash_entry *bfd_hash_lookup 427 (struct bfd_hash_table *, const char *, bfd_boolean create, 428 bfd_boolean copy); 429 430 /* Replace an entry in a hash table. */ 431 extern void bfd_hash_replace 432 (struct bfd_hash_table *, struct bfd_hash_entry *old, 433 struct bfd_hash_entry *nw); 434 435 /* Base method for creating a hash table entry. */ 436 extern struct bfd_hash_entry *bfd_hash_newfunc 437 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 438 439 /* Grab some space for a hash table entry. */ 440 extern void *bfd_hash_allocate 441 (struct bfd_hash_table *, unsigned int); 442 443 /* Traverse a hash table in a random order, calling a function on each 444 element. If the function returns FALSE, the traversal stops. The 445 INFO argument is passed to the function. */ 446 extern void bfd_hash_traverse 447 (struct bfd_hash_table *, 448 bfd_boolean (*) (struct bfd_hash_entry *, void *), 449 void *info); 450 451 /* Allows the default size of a hash table to be configured. New hash 452 tables allocated using bfd_hash_table_init will be created with 453 this size. */ 454 extern void bfd_hash_set_default_size (bfd_size_type); 455 456 /* This structure is used to keep track of stabs in sections 457 information while linking. */ 458 459 struct stab_info 460 { 461 /* A hash table used to hold stabs strings. */ 462 struct bfd_strtab_hash *strings; 463 /* The header file hash table. */ 464 struct bfd_hash_table includes; 465 /* The first .stabstr section. */ 466 struct bfd_section *stabstr; 467 }; 468 469 #define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table 470 471 /* User program access to BFD facilities. */ 472 473 /* Direct I/O routines, for programs which know more about the object 474 file than BFD does. Use higher level routines if possible. */ 475 476 extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *); 477 extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *); 478 extern int bfd_seek (bfd *, file_ptr, int); 479 extern file_ptr bfd_tell (bfd *); 480 extern int bfd_flush (bfd *); 481 extern int bfd_stat (bfd *, struct stat *); 482 483 /* Deprecated old routines. */ 484 #if __GNUC__ 485 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 486 (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \ 487 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 488 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 489 (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \ 490 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 491 #else 492 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 493 (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \ 494 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 495 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 496 (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\ 497 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 498 #endif 499 extern void warn_deprecated (const char *, const char *, int, const char *); 500 501 /* Cast from const char * to char * so that caller can assign to 502 a char * without a warning. */ 503 #define bfd_get_filename(abfd) ((char *) (abfd)->filename) 504 #define bfd_get_cacheable(abfd) ((abfd)->cacheable) 505 #define bfd_get_format(abfd) ((abfd)->format) 506 #define bfd_get_target(abfd) ((abfd)->xvec->name) 507 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour) 508 #define bfd_family_coff(abfd) \ 509 (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \ 510 bfd_get_flavour (abfd) == bfd_target_xcoff_flavour) 511 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG) 512 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE) 513 #define bfd_header_big_endian(abfd) \ 514 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG) 515 #define bfd_header_little_endian(abfd) \ 516 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE) 517 #define bfd_get_file_flags(abfd) ((abfd)->flags) 518 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags) 519 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags) 520 #define bfd_my_archive(abfd) ((abfd)->my_archive) 521 #define bfd_has_map(abfd) ((abfd)->has_armap) 522 523 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types) 524 #define bfd_usrdata(abfd) ((abfd)->usrdata) 525 526 #define bfd_get_start_address(abfd) ((abfd)->start_address) 527 #define bfd_get_symcount(abfd) ((abfd)->symcount) 528 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols) 529 #define bfd_count_sections(abfd) ((abfd)->section_count) 530 531 #define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount) 532 533 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char) 534 535 #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE) 536 537 extern bfd_boolean bfd_cache_close 538 (bfd *abfd); 539 /* NB: This declaration should match the autogenerated one in libbfd.h. */ 540 541 extern bfd_boolean bfd_cache_close_all (void); 542 543 extern bfd_boolean bfd_record_phdr 544 (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma, 545 bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **); 546 547 /* Byte swapping routines. */ 548 549 bfd_uint64_t bfd_getb64 (const void *); 550 bfd_uint64_t bfd_getl64 (const void *); 551 bfd_int64_t bfd_getb_signed_64 (const void *); 552 bfd_int64_t bfd_getl_signed_64 (const void *); 553 bfd_vma bfd_getb32 (const void *); 554 bfd_vma bfd_getl32 (const void *); 555 bfd_signed_vma bfd_getb_signed_32 (const void *); 556 bfd_signed_vma bfd_getl_signed_32 (const void *); 557 bfd_vma bfd_getb16 (const void *); 558 bfd_vma bfd_getl16 (const void *); 559 bfd_signed_vma bfd_getb_signed_16 (const void *); 560 bfd_signed_vma bfd_getl_signed_16 (const void *); 561 void bfd_putb64 (bfd_uint64_t, void *); 562 void bfd_putl64 (bfd_uint64_t, void *); 563 void bfd_putb32 (bfd_vma, void *); 564 void bfd_putl32 (bfd_vma, void *); 565 void bfd_putb16 (bfd_vma, void *); 566 void bfd_putl16 (bfd_vma, void *); 567 568 /* Byte swapping routines which take size and endiannes as arguments. */ 569 570 bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean); 571 void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean); 572 573 extern bfd_boolean bfd_section_already_linked_table_init (void); 574 extern void bfd_section_already_linked_table_free (void); 575 576 /* Externally visible ECOFF routines. */ 577 578 #if defined(__STDC__) || defined(ALMOST_STDC) 579 struct ecoff_debug_info; 580 struct ecoff_debug_swap; 581 struct ecoff_extr; 582 struct bfd_symbol; 583 struct bfd_link_info; 584 struct bfd_link_hash_entry; 585 struct bfd_elf_version_tree; 586 #endif 587 extern bfd_vma bfd_ecoff_get_gp_value 588 (bfd * abfd); 589 extern bfd_boolean bfd_ecoff_set_gp_value 590 (bfd *abfd, bfd_vma gp_value); 591 extern bfd_boolean bfd_ecoff_set_regmasks 592 (bfd *abfd, unsigned long gprmask, unsigned long fprmask, 593 unsigned long *cprmask); 594 extern void *bfd_ecoff_debug_init 595 (bfd *output_bfd, struct ecoff_debug_info *output_debug, 596 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 597 extern void bfd_ecoff_debug_free 598 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 599 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 600 extern bfd_boolean bfd_ecoff_debug_accumulate 601 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 602 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 603 struct ecoff_debug_info *input_debug, 604 const struct ecoff_debug_swap *input_swap, struct bfd_link_info *); 605 extern bfd_boolean bfd_ecoff_debug_accumulate_other 606 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 607 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 608 struct bfd_link_info *); 609 extern bfd_boolean bfd_ecoff_debug_externals 610 (bfd *abfd, struct ecoff_debug_info *debug, 611 const struct ecoff_debug_swap *swap, bfd_boolean relocatable, 612 bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *), 613 void (*set_index) (struct bfd_symbol *, bfd_size_type)); 614 extern bfd_boolean bfd_ecoff_debug_one_external 615 (bfd *abfd, struct ecoff_debug_info *debug, 616 const struct ecoff_debug_swap *swap, const char *name, 617 struct ecoff_extr *esym); 618 extern bfd_size_type bfd_ecoff_debug_size 619 (bfd *abfd, struct ecoff_debug_info *debug, 620 const struct ecoff_debug_swap *swap); 621 extern bfd_boolean bfd_ecoff_write_debug 622 (bfd *abfd, struct ecoff_debug_info *debug, 623 const struct ecoff_debug_swap *swap, file_ptr where); 624 extern bfd_boolean bfd_ecoff_write_accumulated_debug 625 (void *handle, bfd *abfd, struct ecoff_debug_info *debug, 626 const struct ecoff_debug_swap *swap, 627 struct bfd_link_info *info, file_ptr where); 628 629 /* Externally visible ELF routines. */ 630 631 struct bfd_link_needed_list 632 { 633 struct bfd_link_needed_list *next; 634 bfd *by; 635 const char *name; 636 }; 637 638 enum dynamic_lib_link_class { 639 DYN_NORMAL = 0, 640 DYN_AS_NEEDED = 1, 641 DYN_DT_NEEDED = 2, 642 DYN_NO_ADD_NEEDED = 4, 643 DYN_NO_NEEDED = 8 644 }; 645 646 extern bfd_boolean bfd_elf_record_link_assignment 647 (bfd *, struct bfd_link_info *, const char *, bfd_boolean, 648 bfd_boolean); 649 extern struct bfd_link_needed_list *bfd_elf_get_needed_list 650 (bfd *, struct bfd_link_info *); 651 extern bfd_boolean bfd_elf_get_bfd_needed_list 652 (bfd *, struct bfd_link_needed_list **); 653 extern bfd_boolean bfd_elf_size_dynamic_sections 654 (bfd *, const char *, const char *, const char *, const char * const *, 655 struct bfd_link_info *, struct bfd_section **, 656 struct bfd_elf_version_tree *); 657 extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr 658 (bfd *, struct bfd_link_info *); 659 extern void bfd_elf_set_dt_needed_name 660 (bfd *, const char *); 661 extern const char *bfd_elf_get_dt_soname 662 (bfd *); 663 extern void bfd_elf_set_dyn_lib_class 664 (bfd *, int); 665 extern int bfd_elf_get_dyn_lib_class 666 (bfd *); 667 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list 668 (bfd *, struct bfd_link_info *); 669 extern bfd_boolean bfd_elf_discard_info 670 (bfd *, struct bfd_link_info *); 671 extern unsigned int _bfd_elf_default_action_discarded 672 (struct bfd_section *); 673 674 /* Return an upper bound on the number of bytes required to store a 675 copy of ABFD's program header table entries. Return -1 if an error 676 occurs; bfd_get_error will return an appropriate code. */ 677 extern long bfd_get_elf_phdr_upper_bound 678 (bfd *abfd); 679 680 /* Copy ABFD's program header table entries to *PHDRS. The entries 681 will be stored as an array of Elf_Internal_Phdr structures, as 682 defined in include/elf/internal.h. To find out how large the 683 buffer needs to be, call bfd_get_elf_phdr_upper_bound. 684 685 Return the number of program header table entries read, or -1 if an 686 error occurs; bfd_get_error will return an appropriate code. */ 687 extern int bfd_get_elf_phdrs 688 (bfd *abfd, void *phdrs); 689 690 /* Create a new BFD as if by bfd_openr. Rather than opening a file, 691 reconstruct an ELF file by reading the segments out of remote memory 692 based on the ELF file header at EHDR_VMA and the ELF program headers it 693 points to. If not null, *LOADBASEP is filled in with the difference 694 between the VMAs from which the segments were read, and the VMAs the 695 file headers (and hence BFD's idea of each section's VMA) put them at. 696 697 The function TARGET_READ_MEMORY is called to copy LEN bytes from the 698 remote memory at target address VMA into the local buffer at MYADDR; it 699 should return zero on success or an `errno' code on failure. TEMPL must 700 be a BFD for an ELF target with the word size and byte order found in 701 the remote memory. */ 702 extern bfd *bfd_elf_bfd_from_remote_memory 703 (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, 704 int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, int len)); 705 706 /* Return the arch_size field of an elf bfd, or -1 if not elf. */ 707 extern int bfd_get_arch_size 708 (bfd *); 709 710 /* Return TRUE if address "naturally" sign extends, or -1 if not elf. */ 711 extern int bfd_get_sign_extend_vma 712 (bfd *); 713 714 extern struct bfd_section *_bfd_elf_tls_setup 715 (bfd *, struct bfd_link_info *); 716 717 extern void _bfd_fix_excluded_sec_syms 718 (bfd *, struct bfd_link_info *); 719 720 extern unsigned bfd_m68k_mach_to_features (int); 721 722 extern int bfd_m68k_features_to_mach (unsigned); 723 724 extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs 725 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, 726 char **); 727 728 extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs 729 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, 730 char **); 731 732 /* SunOS shared library support routines for the linker. */ 733 734 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list 735 (bfd *, struct bfd_link_info *); 736 extern bfd_boolean bfd_sunos_record_link_assignment 737 (bfd *, struct bfd_link_info *, const char *); 738 extern bfd_boolean bfd_sunos_size_dynamic_sections 739 (bfd *, struct bfd_link_info *, struct bfd_section **, 740 struct bfd_section **, struct bfd_section **); 741 742 /* Linux shared library support routines for the linker. */ 743 744 extern bfd_boolean bfd_i386linux_size_dynamic_sections 745 (bfd *, struct bfd_link_info *); 746 extern bfd_boolean bfd_m68klinux_size_dynamic_sections 747 (bfd *, struct bfd_link_info *); 748 extern bfd_boolean bfd_sparclinux_size_dynamic_sections 749 (bfd *, struct bfd_link_info *); 750 751 /* mmap hacks */ 752 753 struct _bfd_window_internal; 754 typedef struct _bfd_window_internal bfd_window_internal; 755 756 typedef struct _bfd_window 757 { 758 /* What the user asked for. */ 759 void *data; 760 bfd_size_type size; 761 /* The actual window used by BFD. Small user-requested read-only 762 regions sharing a page may share a single window into the object 763 file. Read-write versions shouldn't until I've fixed things to 764 keep track of which portions have been claimed by the 765 application; don't want to give the same region back when the 766 application wants two writable copies! */ 767 struct _bfd_window_internal *i; 768 } 769 bfd_window; 770 771 extern void bfd_init_window 772 (bfd_window *); 773 extern void bfd_free_window 774 (bfd_window *); 775 extern bfd_boolean bfd_get_file_window 776 (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean); 777 778 /* XCOFF support routines for the linker. */ 779 780 extern bfd_boolean bfd_xcoff_link_record_set 781 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type); 782 extern bfd_boolean bfd_xcoff_import_symbol 783 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma, 784 const char *, const char *, const char *, unsigned int); 785 extern bfd_boolean bfd_xcoff_export_symbol 786 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 787 extern bfd_boolean bfd_xcoff_link_count_reloc 788 (bfd *, struct bfd_link_info *, const char *); 789 extern bfd_boolean bfd_xcoff_record_link_assignment 790 (bfd *, struct bfd_link_info *, const char *); 791 extern bfd_boolean bfd_xcoff_size_dynamic_sections 792 (bfd *, struct bfd_link_info *, const char *, const char *, 793 unsigned long, unsigned long, unsigned long, bfd_boolean, 794 int, bfd_boolean, bfd_boolean, struct bfd_section **, bfd_boolean); 795 extern bfd_boolean bfd_xcoff_link_generate_rtinit 796 (bfd *, const char *, const char *, bfd_boolean); 797 798 /* XCOFF support routines for ar. */ 799 extern bfd_boolean bfd_xcoff_ar_archive_set_magic 800 (bfd *, char *); 801 802 /* Externally visible COFF routines. */ 803 804 #if defined(__STDC__) || defined(ALMOST_STDC) 805 struct internal_syment; 806 union internal_auxent; 807 #endif 808 809 extern bfd_boolean bfd_coff_get_syment 810 (bfd *, struct bfd_symbol *, struct internal_syment *); 811 812 extern bfd_boolean bfd_coff_get_auxent 813 (bfd *, struct bfd_symbol *, int, union internal_auxent *); 814 815 extern bfd_boolean bfd_coff_set_symbol_class 816 (bfd *, struct bfd_symbol *, unsigned int); 817 818 extern bfd_boolean bfd_m68k_coff_create_embedded_relocs 819 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 820 821 /* ARM Interworking support. Called from linker. */ 822 extern bfd_boolean bfd_arm_allocate_interworking_sections 823 (struct bfd_link_info *); 824 825 extern bfd_boolean bfd_arm_process_before_allocation 826 (bfd *, struct bfd_link_info *, int); 827 828 extern bfd_boolean bfd_arm_get_bfd_for_interworking 829 (bfd *, struct bfd_link_info *); 830 831 /* PE ARM Interworking support. Called from linker. */ 832 extern bfd_boolean bfd_arm_pe_allocate_interworking_sections 833 (struct bfd_link_info *); 834 835 extern bfd_boolean bfd_arm_pe_process_before_allocation 836 (bfd *, struct bfd_link_info *, int); 837 838 extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking 839 (bfd *, struct bfd_link_info *); 840 841 /* ELF ARM Interworking support. Called from linker. */ 842 extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections 843 (struct bfd_link_info *); 844 845 extern bfd_boolean bfd_elf32_arm_process_before_allocation 846 (bfd *, struct bfd_link_info *, int); 847 848 void bfd_elf32_arm_set_target_relocs 849 (struct bfd_link_info *, int, char *, int, int); 850 851 extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking 852 (bfd *, struct bfd_link_info *); 853 854 extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd 855 (bfd *, struct bfd_link_info *); 856 857 /* ELF ARM mapping symbol support */ 858 extern bfd_boolean bfd_is_arm_mapping_symbol_name 859 (const char * name); 860 861 /* ARM Note section processing. */ 862 extern bfd_boolean bfd_arm_merge_machines 863 (bfd *, bfd *); 864 865 extern bfd_boolean bfd_arm_update_notes 866 (bfd *, const char *); 867 868 extern unsigned int bfd_arm_get_mach_from_notes 869 (bfd *, const char *); 870 871 /* TI COFF load page support. */ 872 extern void bfd_ticoff_set_section_load_page 873 (struct bfd_section *, int); 874 875 extern int bfd_ticoff_get_section_load_page 876 (struct bfd_section *); 877 878 /* H8/300 functions. */ 879 extern bfd_vma bfd_h8300_pad_address 880 (bfd *, bfd_vma); 881 882 /* IA64 Itanium code generation. Called from linker. */ 883 extern void bfd_elf32_ia64_after_parse 884 (int); 885 886 extern void bfd_elf64_ia64_after_parse 887 (int); 888 889 /* This structure is used for a comdat section, as in PE. A comdat 890 section is associated with a particular symbol. When the linker 891 sees a comdat section, it keeps only one of the sections with a 892 given name and associated with a given symbol. */ 893 894 struct coff_comdat_info 895 { 896 /* The name of the symbol associated with a comdat section. */ 897 const char *name; 898 899 /* The local symbol table index of the symbol associated with a 900 comdat section. This is only meaningful to the object file format 901 specific code; it is not an index into the list returned by 902 bfd_canonicalize_symtab. */ 903 long symbol; 904 }; 905 906 extern struct coff_comdat_info *bfd_coff_get_comdat_section 907 (bfd *, struct bfd_section *); 908 909