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 /* Symbols and relocation. */ 244 245 /* A count of carsyms (canonical archive symbols). */ 246 typedef unsigned long symindex; 247 248 /* How to perform a relocation. */ 249 typedef const struct reloc_howto_struct reloc_howto_type; 250 251 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0) 252 253 /* General purpose part of a symbol X; 254 target specific parts are in libcoff.h, libaout.h, etc. */ 255 256 #define bfd_get_section(x) ((x)->section) 257 #define bfd_get_output_section(x) ((x)->section->output_section) 258 #define bfd_set_section(x,y) ((x)->section) = (y) 259 #define bfd_asymbol_base(x) ((x)->section->vma) 260 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value) 261 #define bfd_asymbol_name(x) ((x)->name) 262 /*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/ 263 #define bfd_asymbol_bfd(x) ((x)->the_bfd) 264 #define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour) 265 266 /* A canonical archive symbol. */ 267 /* This is a type pun with struct ranlib on purpose! */ 268 typedef struct carsym 269 { 270 char *name; 271 file_ptr file_offset; /* Look here to find the file. */ 272 } 273 carsym; /* To make these you call a carsymogen. */ 274 275 /* Used in generating armaps (archive tables of contents). 276 Perhaps just a forward definition would do? */ 277 struct orl /* Output ranlib. */ 278 { 279 char **name; /* Symbol name. */ 280 union 281 { 282 file_ptr pos; 283 bfd *abfd; 284 } u; /* bfd* or file position. */ 285 int namidx; /* Index into string table. */ 286 }; 287 288 /* Linenumber stuff. */ 289 typedef struct lineno_cache_entry 290 { 291 unsigned int line_number; /* Linenumber from start of function. */ 292 union 293 { 294 struct bfd_symbol *sym; /* Function name. */ 295 bfd_vma offset; /* Offset into section. */ 296 } u; 297 } 298 alent; 299 300 /* Object and core file sections. */ 301 302 #define align_power(addr, align) \ 303 (((addr) + ((bfd_vma) 1 << (align)) - 1) & ((bfd_vma) -1 << (align))) 304 305 typedef struct bfd_section *sec_ptr; 306 307 #define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0) 308 #define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0) 309 #define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0) 310 #define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0) 311 #define bfd_section_name(bfd, ptr) ((ptr)->name) 312 #define bfd_section_size(bfd, ptr) ((ptr)->size) 313 #define bfd_get_section_size(ptr) ((ptr)->size) 314 #define bfd_section_vma(bfd, ptr) ((ptr)->vma) 315 #define bfd_section_lma(bfd, ptr) ((ptr)->lma) 316 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power) 317 #define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0) 318 #define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata) 319 320 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0) 321 322 #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE) 323 #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE) 324 #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE) 325 /* Find the address one past the end of SEC. */ 326 #define bfd_get_section_limit(bfd, sec) \ 327 (((sec)->rawsize ? (sec)->rawsize : (sec)->size) \ 328 / bfd_octets_per_byte (bfd)) 329 330 typedef struct stat stat_type; 331 332 typedef enum bfd_print_symbol 333 { 334 bfd_print_symbol_name, 335 bfd_print_symbol_more, 336 bfd_print_symbol_all 337 } bfd_print_symbol_type; 338 339 /* Information about a symbol that nm needs. */ 340 341 typedef struct _symbol_info 342 { 343 symvalue value; 344 char type; 345 const char *name; /* Symbol name. */ 346 unsigned char stab_type; /* Stab type. */ 347 char stab_other; /* Stab other. */ 348 short stab_desc; /* Stab desc. */ 349 const char *stab_name; /* String for stab type. */ 350 } symbol_info; 351 352 /* Get the name of a stabs type code. */ 353 354 extern const char *bfd_get_stab_name (int); 355 356 /* Hash table routines. There is no way to free up a hash table. */ 357 358 /* An element in the hash table. Most uses will actually use a larger 359 structure, and an instance of this will be the first field. */ 360 361 struct bfd_hash_entry 362 { 363 /* Next entry for this hash code. */ 364 struct bfd_hash_entry *next; 365 /* String being hashed. */ 366 const char *string; 367 /* Hash code. This is the full hash code, not the index into the 368 table. */ 369 unsigned long hash; 370 }; 371 372 /* A hash table. */ 373 374 struct bfd_hash_table 375 { 376 /* The hash array. */ 377 struct bfd_hash_entry **table; 378 /* The number of slots in the hash table. */ 379 unsigned int size; 380 /* The size of elements. */ 381 unsigned int entsize; 382 /* A function used to create new elements in the hash table. The 383 first entry is itself a pointer to an element. When this 384 function is first invoked, this pointer will be NULL. However, 385 having the pointer permits a hierarchy of method functions to be 386 built each of which calls the function in the superclass. Thus 387 each function should be written to allocate a new block of memory 388 only if the argument is NULL. */ 389 struct bfd_hash_entry *(*newfunc) 390 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 391 /* An objalloc for this hash table. This is a struct objalloc *, 392 but we use void * to avoid requiring the inclusion of objalloc.h. */ 393 void *memory; 394 }; 395 396 /* Initialize a hash table. */ 397 extern bfd_boolean bfd_hash_table_init 398 (struct bfd_hash_table *, 399 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 400 struct bfd_hash_table *, 401 const char *), 402 unsigned int); 403 404 /* Initialize a hash table specifying a size. */ 405 extern bfd_boolean bfd_hash_table_init_n 406 (struct bfd_hash_table *, 407 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 408 struct bfd_hash_table *, 409 const char *), 410 unsigned int, unsigned int); 411 412 /* Free up a hash table. */ 413 extern void bfd_hash_table_free 414 (struct bfd_hash_table *); 415 416 /* Look up a string in a hash table. If CREATE is TRUE, a new entry 417 will be created for this string if one does not already exist. The 418 COPY argument must be TRUE if this routine should copy the string 419 into newly allocated memory when adding an entry. */ 420 extern struct bfd_hash_entry *bfd_hash_lookup 421 (struct bfd_hash_table *, const char *, bfd_boolean create, 422 bfd_boolean copy); 423 424 /* Replace an entry in a hash table. */ 425 extern void bfd_hash_replace 426 (struct bfd_hash_table *, struct bfd_hash_entry *old, 427 struct bfd_hash_entry *nw); 428 429 /* Base method for creating a hash table entry. */ 430 extern struct bfd_hash_entry *bfd_hash_newfunc 431 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 432 433 /* Grab some space for a hash table entry. */ 434 extern void *bfd_hash_allocate 435 (struct bfd_hash_table *, unsigned int); 436 437 /* Traverse a hash table in a random order, calling a function on each 438 element. If the function returns FALSE, the traversal stops. The 439 INFO argument is passed to the function. */ 440 extern void bfd_hash_traverse 441 (struct bfd_hash_table *, 442 bfd_boolean (*) (struct bfd_hash_entry *, void *), 443 void *info); 444 445 /* Allows the default size of a hash table to be configured. New hash 446 tables allocated using bfd_hash_table_init will be created with 447 this size. */ 448 extern void bfd_hash_set_default_size (bfd_size_type); 449 450 /* This structure is used to keep track of stabs in sections 451 information while linking. */ 452 453 struct stab_info 454 { 455 /* A hash table used to hold stabs strings. */ 456 struct bfd_strtab_hash *strings; 457 /* The header file hash table. */ 458 struct bfd_hash_table includes; 459 /* The first .stabstr section. */ 460 struct bfd_section *stabstr; 461 }; 462 463 #define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table 464 465 /* User program access to BFD facilities. */ 466 467 /* Direct I/O routines, for programs which know more about the object 468 file than BFD does. Use higher level routines if possible. */ 469 470 extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *); 471 extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *); 472 extern int bfd_seek (bfd *, file_ptr, int); 473 extern file_ptr bfd_tell (bfd *); 474 extern int bfd_flush (bfd *); 475 extern int bfd_stat (bfd *, struct stat *); 476 477 /* Deprecated old routines. */ 478 #if __GNUC__ 479 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 480 (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \ 481 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 482 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 483 (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \ 484 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 485 #else 486 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 487 (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \ 488 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 489 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 490 (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\ 491 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 492 #endif 493 extern void warn_deprecated (const char *, const char *, int, const char *); 494 495 /* Cast from const char * to char * so that caller can assign to 496 a char * without a warning. */ 497 #define bfd_get_filename(abfd) ((char *) (abfd)->filename) 498 #define bfd_get_cacheable(abfd) ((abfd)->cacheable) 499 #define bfd_get_format(abfd) ((abfd)->format) 500 #define bfd_get_target(abfd) ((abfd)->xvec->name) 501 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour) 502 #define bfd_family_coff(abfd) \ 503 (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \ 504 bfd_get_flavour (abfd) == bfd_target_xcoff_flavour) 505 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG) 506 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE) 507 #define bfd_header_big_endian(abfd) \ 508 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG) 509 #define bfd_header_little_endian(abfd) \ 510 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE) 511 #define bfd_get_file_flags(abfd) ((abfd)->flags) 512 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags) 513 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags) 514 #define bfd_my_archive(abfd) ((abfd)->my_archive) 515 #define bfd_has_map(abfd) ((abfd)->has_armap) 516 517 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types) 518 #define bfd_usrdata(abfd) ((abfd)->usrdata) 519 520 #define bfd_get_start_address(abfd) ((abfd)->start_address) 521 #define bfd_get_symcount(abfd) ((abfd)->symcount) 522 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols) 523 #define bfd_count_sections(abfd) ((abfd)->section_count) 524 525 #define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount) 526 527 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char) 528 529 #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE) 530 531 extern bfd_boolean bfd_cache_close 532 (bfd *abfd); 533 /* NB: This declaration should match the autogenerated one in libbfd.h. */ 534 535 extern bfd_boolean bfd_cache_close_all (void); 536 537 extern bfd_boolean bfd_record_phdr 538 (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma, 539 bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **); 540 541 /* Byte swapping routines. */ 542 543 bfd_uint64_t bfd_getb64 (const void *); 544 bfd_uint64_t bfd_getl64 (const void *); 545 bfd_int64_t bfd_getb_signed_64 (const void *); 546 bfd_int64_t bfd_getl_signed_64 (const void *); 547 bfd_vma bfd_getb32 (const void *); 548 bfd_vma bfd_getl32 (const void *); 549 bfd_signed_vma bfd_getb_signed_32 (const void *); 550 bfd_signed_vma bfd_getl_signed_32 (const void *); 551 bfd_vma bfd_getb16 (const void *); 552 bfd_vma bfd_getl16 (const void *); 553 bfd_signed_vma bfd_getb_signed_16 (const void *); 554 bfd_signed_vma bfd_getl_signed_16 (const void *); 555 void bfd_putb64 (bfd_uint64_t, void *); 556 void bfd_putl64 (bfd_uint64_t, void *); 557 void bfd_putb32 (bfd_vma, void *); 558 void bfd_putl32 (bfd_vma, void *); 559 void bfd_putb16 (bfd_vma, void *); 560 void bfd_putl16 (bfd_vma, void *); 561 562 /* Byte swapping routines which take size and endiannes as arguments. */ 563 564 bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean); 565 void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean); 566 567 extern bfd_boolean bfd_section_already_linked_table_init (void); 568 extern void bfd_section_already_linked_table_free (void); 569 570 /* Externally visible ECOFF routines. */ 571 572 #if defined(__STDC__) || defined(ALMOST_STDC) 573 struct ecoff_debug_info; 574 struct ecoff_debug_swap; 575 struct ecoff_extr; 576 struct bfd_symbol; 577 struct bfd_link_info; 578 struct bfd_link_hash_entry; 579 struct bfd_elf_version_tree; 580 #endif 581 extern bfd_vma bfd_ecoff_get_gp_value 582 (bfd * abfd); 583 extern bfd_boolean bfd_ecoff_set_gp_value 584 (bfd *abfd, bfd_vma gp_value); 585 extern bfd_boolean bfd_ecoff_set_regmasks 586 (bfd *abfd, unsigned long gprmask, unsigned long fprmask, 587 unsigned long *cprmask); 588 extern void *bfd_ecoff_debug_init 589 (bfd *output_bfd, struct ecoff_debug_info *output_debug, 590 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 591 extern void bfd_ecoff_debug_free 592 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 593 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 594 extern bfd_boolean bfd_ecoff_debug_accumulate 595 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 596 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 597 struct ecoff_debug_info *input_debug, 598 const struct ecoff_debug_swap *input_swap, struct bfd_link_info *); 599 extern bfd_boolean bfd_ecoff_debug_accumulate_other 600 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 601 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 602 struct bfd_link_info *); 603 extern bfd_boolean bfd_ecoff_debug_externals 604 (bfd *abfd, struct ecoff_debug_info *debug, 605 const struct ecoff_debug_swap *swap, bfd_boolean relocatable, 606 bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *), 607 void (*set_index) (struct bfd_symbol *, bfd_size_type)); 608 extern bfd_boolean bfd_ecoff_debug_one_external 609 (bfd *abfd, struct ecoff_debug_info *debug, 610 const struct ecoff_debug_swap *swap, const char *name, 611 struct ecoff_extr *esym); 612 extern bfd_size_type bfd_ecoff_debug_size 613 (bfd *abfd, struct ecoff_debug_info *debug, 614 const struct ecoff_debug_swap *swap); 615 extern bfd_boolean bfd_ecoff_write_debug 616 (bfd *abfd, struct ecoff_debug_info *debug, 617 const struct ecoff_debug_swap *swap, file_ptr where); 618 extern bfd_boolean bfd_ecoff_write_accumulated_debug 619 (void *handle, bfd *abfd, struct ecoff_debug_info *debug, 620 const struct ecoff_debug_swap *swap, 621 struct bfd_link_info *info, file_ptr where); 622 623 /* Externally visible ELF routines. */ 624 625 struct bfd_link_needed_list 626 { 627 struct bfd_link_needed_list *next; 628 bfd *by; 629 const char *name; 630 }; 631 632 enum dynamic_lib_link_class { 633 DYN_NORMAL = 0, 634 DYN_AS_NEEDED = 1, 635 DYN_DT_NEEDED = 2, 636 DYN_NO_ADD_NEEDED = 4, 637 DYN_NO_NEEDED = 8 638 }; 639 640 extern bfd_boolean bfd_elf_record_link_assignment 641 (bfd *, struct bfd_link_info *, const char *, bfd_boolean, 642 bfd_boolean); 643 extern struct bfd_link_needed_list *bfd_elf_get_needed_list 644 (bfd *, struct bfd_link_info *); 645 extern bfd_boolean bfd_elf_get_bfd_needed_list 646 (bfd *, struct bfd_link_needed_list **); 647 extern bfd_boolean bfd_elf_size_dynamic_sections 648 (bfd *, const char *, const char *, const char *, const char * const *, 649 struct bfd_link_info *, struct bfd_section **, 650 struct bfd_elf_version_tree *); 651 extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr 652 (bfd *, struct bfd_link_info *); 653 extern void bfd_elf_set_dt_needed_name 654 (bfd *, const char *); 655 extern const char *bfd_elf_get_dt_soname 656 (bfd *); 657 extern void bfd_elf_set_dyn_lib_class 658 (bfd *, int); 659 extern int bfd_elf_get_dyn_lib_class 660 (bfd *); 661 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list 662 (bfd *, struct bfd_link_info *); 663 extern bfd_boolean bfd_elf_discard_info 664 (bfd *, struct bfd_link_info *); 665 extern unsigned int _bfd_elf_default_action_discarded 666 (struct bfd_section *); 667 668 /* Return an upper bound on the number of bytes required to store a 669 copy of ABFD's program header table entries. Return -1 if an error 670 occurs; bfd_get_error will return an appropriate code. */ 671 extern long bfd_get_elf_phdr_upper_bound 672 (bfd *abfd); 673 674 /* Copy ABFD's program header table entries to *PHDRS. The entries 675 will be stored as an array of Elf_Internal_Phdr structures, as 676 defined in include/elf/internal.h. To find out how large the 677 buffer needs to be, call bfd_get_elf_phdr_upper_bound. 678 679 Return the number of program header table entries read, or -1 if an 680 error occurs; bfd_get_error will return an appropriate code. */ 681 extern int bfd_get_elf_phdrs 682 (bfd *abfd, void *phdrs); 683 684 /* Create a new BFD as if by bfd_openr. Rather than opening a file, 685 reconstruct an ELF file by reading the segments out of remote memory 686 based on the ELF file header at EHDR_VMA and the ELF program headers it 687 points to. If not null, *LOADBASEP is filled in with the difference 688 between the VMAs from which the segments were read, and the VMAs the 689 file headers (and hence BFD's idea of each section's VMA) put them at. 690 691 The function TARGET_READ_MEMORY is called to copy LEN bytes from the 692 remote memory at target address VMA into the local buffer at MYADDR; it 693 should return zero on success or an `errno' code on failure. TEMPL must 694 be a BFD for an ELF target with the word size and byte order found in 695 the remote memory. */ 696 extern bfd *bfd_elf_bfd_from_remote_memory 697 (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, 698 int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, int len)); 699 700 /* Return the arch_size field of an elf bfd, or -1 if not elf. */ 701 extern int bfd_get_arch_size 702 (bfd *); 703 704 /* Return TRUE if address "naturally" sign extends, or -1 if not elf. */ 705 extern int bfd_get_sign_extend_vma 706 (bfd *); 707 708 extern struct bfd_section *_bfd_elf_tls_setup 709 (bfd *, struct bfd_link_info *); 710 711 extern void _bfd_fix_excluded_sec_syms 712 (bfd *, struct bfd_link_info *); 713 714 extern unsigned bfd_m68k_mach_to_features (int); 715 716 extern int bfd_m68k_features_to_mach (unsigned); 717 718 extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs 719 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, 720 char **); 721 722 extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs 723 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, 724 char **); 725 726 /* SunOS shared library support routines for the linker. */ 727 728 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list 729 (bfd *, struct bfd_link_info *); 730 extern bfd_boolean bfd_sunos_record_link_assignment 731 (bfd *, struct bfd_link_info *, const char *); 732 extern bfd_boolean bfd_sunos_size_dynamic_sections 733 (bfd *, struct bfd_link_info *, struct bfd_section **, 734 struct bfd_section **, struct bfd_section **); 735 736 /* Linux shared library support routines for the linker. */ 737 738 extern bfd_boolean bfd_i386linux_size_dynamic_sections 739 (bfd *, struct bfd_link_info *); 740 extern bfd_boolean bfd_m68klinux_size_dynamic_sections 741 (bfd *, struct bfd_link_info *); 742 extern bfd_boolean bfd_sparclinux_size_dynamic_sections 743 (bfd *, struct bfd_link_info *); 744 745 /* mmap hacks */ 746 747 struct _bfd_window_internal; 748 typedef struct _bfd_window_internal bfd_window_internal; 749 750 typedef struct _bfd_window 751 { 752 /* What the user asked for. */ 753 void *data; 754 bfd_size_type size; 755 /* The actual window used by BFD. Small user-requested read-only 756 regions sharing a page may share a single window into the object 757 file. Read-write versions shouldn't until I've fixed things to 758 keep track of which portions have been claimed by the 759 application; don't want to give the same region back when the 760 application wants two writable copies! */ 761 struct _bfd_window_internal *i; 762 } 763 bfd_window; 764 765 extern void bfd_init_window 766 (bfd_window *); 767 extern void bfd_free_window 768 (bfd_window *); 769 extern bfd_boolean bfd_get_file_window 770 (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean); 771 772 /* XCOFF support routines for the linker. */ 773 774 extern bfd_boolean bfd_xcoff_link_record_set 775 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type); 776 extern bfd_boolean bfd_xcoff_import_symbol 777 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma, 778 const char *, const char *, const char *, unsigned int); 779 extern bfd_boolean bfd_xcoff_export_symbol 780 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 781 extern bfd_boolean bfd_xcoff_link_count_reloc 782 (bfd *, struct bfd_link_info *, const char *); 783 extern bfd_boolean bfd_xcoff_record_link_assignment 784 (bfd *, struct bfd_link_info *, const char *); 785 extern bfd_boolean bfd_xcoff_size_dynamic_sections 786 (bfd *, struct bfd_link_info *, const char *, const char *, 787 unsigned long, unsigned long, unsigned long, bfd_boolean, 788 int, bfd_boolean, bfd_boolean, struct bfd_section **, bfd_boolean); 789 extern bfd_boolean bfd_xcoff_link_generate_rtinit 790 (bfd *, const char *, const char *, bfd_boolean); 791 792 /* XCOFF support routines for ar. */ 793 extern bfd_boolean bfd_xcoff_ar_archive_set_magic 794 (bfd *, char *); 795 796 /* Externally visible COFF routines. */ 797 798 #if defined(__STDC__) || defined(ALMOST_STDC) 799 struct internal_syment; 800 union internal_auxent; 801 #endif 802 803 extern bfd_boolean bfd_coff_get_syment 804 (bfd *, struct bfd_symbol *, struct internal_syment *); 805 806 extern bfd_boolean bfd_coff_get_auxent 807 (bfd *, struct bfd_symbol *, int, union internal_auxent *); 808 809 extern bfd_boolean bfd_coff_set_symbol_class 810 (bfd *, struct bfd_symbol *, unsigned int); 811 812 extern bfd_boolean bfd_m68k_coff_create_embedded_relocs 813 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 814 815 /* ARM Interworking support. Called from linker. */ 816 extern bfd_boolean bfd_arm_allocate_interworking_sections 817 (struct bfd_link_info *); 818 819 extern bfd_boolean bfd_arm_process_before_allocation 820 (bfd *, struct bfd_link_info *, int); 821 822 extern bfd_boolean bfd_arm_get_bfd_for_interworking 823 (bfd *, struct bfd_link_info *); 824 825 /* PE ARM Interworking support. Called from linker. */ 826 extern bfd_boolean bfd_arm_pe_allocate_interworking_sections 827 (struct bfd_link_info *); 828 829 extern bfd_boolean bfd_arm_pe_process_before_allocation 830 (bfd *, struct bfd_link_info *, int); 831 832 extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking 833 (bfd *, struct bfd_link_info *); 834 835 /* ELF ARM Interworking support. Called from linker. */ 836 extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections 837 (struct bfd_link_info *); 838 839 extern bfd_boolean bfd_elf32_arm_process_before_allocation 840 (bfd *, struct bfd_link_info *, int); 841 842 void bfd_elf32_arm_set_target_relocs 843 (struct bfd_link_info *, int, char *, int, int); 844 845 extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking 846 (bfd *, struct bfd_link_info *); 847 848 extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd 849 (bfd *, struct bfd_link_info *); 850 851 /* ELF ARM mapping symbol support */ 852 extern bfd_boolean bfd_is_arm_mapping_symbol_name 853 (const char * name); 854 855 /* ARM Note section processing. */ 856 extern bfd_boolean bfd_arm_merge_machines 857 (bfd *, bfd *); 858 859 extern bfd_boolean bfd_arm_update_notes 860 (bfd *, const char *); 861 862 extern unsigned int bfd_arm_get_mach_from_notes 863 (bfd *, const char *); 864 865 /* TI COFF load page support. */ 866 extern void bfd_ticoff_set_section_load_page 867 (struct bfd_section *, int); 868 869 extern int bfd_ticoff_get_section_load_page 870 (struct bfd_section *); 871 872 /* H8/300 functions. */ 873 extern bfd_vma bfd_h8300_pad_address 874 (bfd *, bfd_vma); 875 876 /* IA64 Itanium code generation. Called from linker. */ 877 extern void bfd_elf32_ia64_after_parse 878 (int); 879 880 extern void bfd_elf64_ia64_after_parse 881 (int); 882 883 /* This structure is used for a comdat section, as in PE. A comdat 884 section is associated with a particular symbol. When the linker 885 sees a comdat section, it keeps only one of the sections with a 886 given name and associated with a given symbol. */ 887 888 struct coff_comdat_info 889 { 890 /* The name of the symbol associated with a comdat section. */ 891 const char *name; 892 893 /* The local symbol table index of the symbol associated with a 894 comdat section. This is only meaningful to the object file format 895 specific code; it is not an index into the list returned by 896 bfd_canonicalize_symtab. */ 897 long symbol; 898 }; 899 900 extern struct coff_comdat_info *bfd_coff_get_comdat_section 901 (bfd *, struct bfd_section *); 902 903