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 Free Software Foundation, Inc. 5 6 Contributed by Cygnus Support. 7 8 This file is part of BFD, the Binary File Descriptor library. 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 2 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 23 24 #ifndef __BFD_H_SEEN__ 25 #define __BFD_H_SEEN__ 26 27 #ifdef __cplusplus 28 extern "C" { 29 #endif 30 31 #include "ansidecl.h" 32 #include "symcat.h" 33 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) 34 #ifndef SABER 35 /* This hack is to avoid a problem with some strict ANSI C preprocessors. 36 The problem is, "32_" is not a valid preprocessing token, and we don't 37 want extra underscores (e.g., "nlm_32_"). The XCONCAT2 macro will 38 cause the inner CONCAT2 macros to be evaluated first, producing 39 still-valid pp-tokens. Then the final concatenation can be done. */ 40 #undef CONCAT4 41 #define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d)) 42 #endif 43 #endif 44 45 /* The word size used by BFD on the host. This may be 64 with a 32 46 bit target if the host is 64 bit, or if other 64 bit targets have 47 been selected with --enable-targets, or if --enable-64-bit-bfd. */ 48 #define BFD_ARCH_SIZE @wordsize@ 49 50 /* The word size of the default bfd target. */ 51 #define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@ 52 53 #define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@ 54 #define BFD_HOST_LONG_LONG @BFD_HOST_LONG_LONG@ 55 #if @BFD_HOST_64_BIT_DEFINED@ 56 #define BFD_HOST_64_BIT @BFD_HOST_64_BIT@ 57 #define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@ 58 typedef BFD_HOST_64_BIT bfd_int64_t; 59 typedef BFD_HOST_U_64_BIT bfd_uint64_t; 60 #endif 61 62 #if BFD_ARCH_SIZE >= 64 63 #define BFD64 64 #endif 65 66 #ifndef INLINE 67 #if __GNUC__ >= 2 68 #define INLINE __inline__ 69 #else 70 #define INLINE 71 #endif 72 #endif 73 74 /* Forward declaration. */ 75 typedef struct bfd bfd; 76 77 /* Boolean type used in bfd. Too many systems define their own 78 versions of "boolean" for us to safely typedef a "boolean" of 79 our own. Using an enum for "bfd_boolean" has its own set of 80 problems, with strange looking casts required to avoid warnings 81 on some older compilers. Thus we just use an int. 82 83 General rule: Functions which are bfd_boolean return TRUE on 84 success and FALSE on failure (unless they're a predicate). */ 85 86 typedef int bfd_boolean; 87 #undef FALSE 88 #undef TRUE 89 #define FALSE 0 90 #define TRUE 1 91 92 #if 0 93 /* Poison. */ 94 #undef false 95 #undef true 96 #define false dont_use_false_in_bfd 97 #define true dont_use_true_in_bfd 98 #endif 99 100 #ifdef BFD64 101 102 #ifndef BFD_HOST_64_BIT 103 #error No 64 bit integer type available 104 #endif /* ! defined (BFD_HOST_64_BIT) */ 105 106 typedef BFD_HOST_U_64_BIT bfd_vma; 107 typedef BFD_HOST_64_BIT bfd_signed_vma; 108 typedef BFD_HOST_U_64_BIT bfd_size_type; 109 typedef BFD_HOST_U_64_BIT symvalue; 110 111 #ifndef fprintf_vma 112 #if BFD_HOST_64BIT_LONG 113 #define sprintf_vma(s,x) sprintf (s, "%016lx", x) 114 #define fprintf_vma(f,x) fprintf (f, "%016lx", x) 115 #else 116 #define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff))) 117 #define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff)) 118 #define fprintf_vma(s,x) \ 119 fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x)) 120 #define sprintf_vma(s,x) \ 121 sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x)) 122 #endif 123 #endif 124 125 #else /* not BFD64 */ 126 127 /* Represent a target address. Also used as a generic unsigned type 128 which is guaranteed to be big enough to hold any arithmetic types 129 we need to deal with. */ 130 typedef unsigned long bfd_vma; 131 132 /* A generic signed type which is guaranteed to be big enough to hold any 133 arithmetic types we need to deal with. Can be assumed to be compatible 134 with bfd_vma in the same way that signed and unsigned ints are compatible 135 (as parameters, in assignment, etc). */ 136 typedef long bfd_signed_vma; 137 138 typedef unsigned long symvalue; 139 typedef unsigned long bfd_size_type; 140 141 /* Print a bfd_vma x on stream s. */ 142 #define fprintf_vma(s,x) fprintf (s, "%08lx", x) 143 #define sprintf_vma(s,x) sprintf (s, "%08lx", x) 144 145 #endif /* not BFD64 */ 146 147 #ifndef BFD_HOST_64_BIT 148 /* Fall back on a 32 bit type. The idea is to make these types always 149 available for function return types, but in the case that 150 BFD_HOST_64_BIT is undefined such a function should abort or 151 otherwise signal an error. */ 152 typedef bfd_signed_vma bfd_int64_t; 153 typedef bfd_vma bfd_uint64_t; 154 #endif 155 156 /* An offset into a file. BFD always uses the largest possible offset 157 based on the build time availability of fseek, fseeko, or fseeko64. */ 158 typedef @bfd_file_ptr@ file_ptr; 159 typedef unsigned @bfd_file_ptr@ ufile_ptr; 160 161 extern void bfd_sprintf_vma (bfd *, char *, bfd_vma); 162 extern void bfd_fprintf_vma (bfd *, void *, bfd_vma); 163 164 #define printf_vma(x) fprintf_vma(stdout,x) 165 #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x) 166 167 typedef unsigned int flagword; /* 32 bits of flags */ 168 typedef unsigned char bfd_byte; 169 170 /* File formats. */ 171 172 typedef enum bfd_format 173 { 174 bfd_unknown = 0, /* File format is unknown. */ 175 bfd_object, /* Linker/assembler/compiler output. */ 176 bfd_archive, /* Object archive file. */ 177 bfd_core, /* Core dump. */ 178 bfd_type_end /* Marks the end; don't use it! */ 179 } 180 bfd_format; 181 182 /* Values that may appear in the flags field of a BFD. These also 183 appear in the object_flags field of the bfd_target structure, where 184 they indicate the set of flags used by that backend (not all flags 185 are meaningful for all object file formats) (FIXME: at the moment, 186 the object_flags values have mostly just been copied from backend 187 to another, and are not necessarily correct). */ 188 189 /* No flags. */ 190 #define BFD_NO_FLAGS 0x00 191 192 /* BFD contains relocation entries. */ 193 #define HAS_RELOC 0x01 194 195 /* BFD is directly executable. */ 196 #define EXEC_P 0x02 197 198 /* BFD has line number information (basically used for F_LNNO in a 199 COFF header). */ 200 #define HAS_LINENO 0x04 201 202 /* BFD has debugging information. */ 203 #define HAS_DEBUG 0x08 204 205 /* BFD has symbols. */ 206 #define HAS_SYMS 0x10 207 208 /* BFD has local symbols (basically used for F_LSYMS in a COFF 209 header). */ 210 #define HAS_LOCALS 0x20 211 212 /* BFD is a dynamic object. */ 213 #define DYNAMIC 0x40 214 215 /* Text section is write protected (if D_PAGED is not set, this is 216 like an a.out NMAGIC file) (the linker sets this by default, but 217 clears it for -r or -N). */ 218 #define WP_TEXT 0x80 219 220 /* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the 221 linker sets this by default, but clears it for -r or -n or -N). */ 222 #define D_PAGED 0x100 223 224 /* BFD is relaxable (this means that bfd_relax_section may be able to 225 do something) (sometimes bfd_relax_section can do something even if 226 this is not set). */ 227 #define BFD_IS_RELAXABLE 0x200 228 229 /* This may be set before writing out a BFD to request using a 230 traditional format. For example, this is used to request that when 231 writing out an a.out object the symbols not be hashed to eliminate 232 duplicates. */ 233 #define BFD_TRADITIONAL_FORMAT 0x400 234 235 /* This flag indicates that the BFD contents are actually cached in 236 memory. If this is set, iostream points to a bfd_in_memory struct. */ 237 #define BFD_IN_MEMORY 0x800 238 239 /* The sections in this BFD specify a memory page. */ 240 #define HAS_LOAD_PAGE 0x1000 241 242 /* Symbols and relocation. */ 243 244 /* A count of carsyms (canonical archive symbols). */ 245 typedef unsigned long symindex; 246 247 /* How to perform a relocation. */ 248 typedef const struct reloc_howto_struct reloc_howto_type; 249 250 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0) 251 252 /* General purpose part of a symbol X; 253 target specific parts are in libcoff.h, libaout.h, etc. */ 254 255 #define bfd_get_section(x) ((x)->section) 256 #define bfd_get_output_section(x) ((x)->section->output_section) 257 #define bfd_set_section(x,y) ((x)->section) = (y) 258 #define bfd_asymbol_base(x) ((x)->section->vma) 259 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value) 260 #define bfd_asymbol_name(x) ((x)->name) 261 /*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/ 262 #define bfd_asymbol_bfd(x) ((x)->the_bfd) 263 #define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour) 264 265 /* A canonical archive symbol. */ 266 /* This is a type pun with struct ranlib on purpose! */ 267 typedef struct carsym 268 { 269 char *name; 270 file_ptr file_offset; /* Look here to find the file. */ 271 } 272 carsym; /* To make these you call a carsymogen. */ 273 274 /* Used in generating armaps (archive tables of contents). 275 Perhaps just a forward definition would do? */ 276 struct orl /* Output ranlib. */ 277 { 278 char **name; /* Symbol name. */ 279 union 280 { 281 file_ptr pos; 282 bfd *abfd; 283 } u; /* bfd* or file position. */ 284 int namidx; /* Index into string table. */ 285 }; 286 287 /* Linenumber stuff. */ 288 typedef struct lineno_cache_entry 289 { 290 unsigned int line_number; /* Linenumber from start of function. */ 291 union 292 { 293 struct bfd_symbol *sym; /* Function name. */ 294 bfd_vma offset; /* Offset into section. */ 295 } u; 296 } 297 alent; 298 299 /* Object and core file sections. */ 300 301 #define align_power(addr, align) \ 302 (((addr) + ((bfd_vma) 1 << (align)) - 1) & ((bfd_vma) -1 << (align))) 303 304 typedef struct bfd_section *sec_ptr; 305 306 #define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0) 307 #define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0) 308 #define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0) 309 #define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0) 310 #define bfd_section_name(bfd, ptr) ((ptr)->name) 311 #define bfd_section_size(bfd, ptr) (bfd_get_section_size_before_reloc(ptr)) 312 #define bfd_get_section_size(ptr) (bfd_get_section_size_before_reloc(ptr)) 313 #define bfd_section_vma(bfd, ptr) ((ptr)->vma) 314 #define bfd_section_lma(bfd, ptr) ((ptr)->lma) 315 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power) 316 #define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0) 317 #define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata) 318 319 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0) 320 321 #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE) 322 #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE) 323 #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE) 324 325 typedef struct stat stat_type; 326 327 typedef enum bfd_print_symbol 328 { 329 bfd_print_symbol_name, 330 bfd_print_symbol_more, 331 bfd_print_symbol_all 332 } bfd_print_symbol_type; 333 334 /* Information about a symbol that nm needs. */ 335 336 typedef struct _symbol_info 337 { 338 symvalue value; 339 char type; 340 const char *name; /* Symbol name. */ 341 unsigned char stab_type; /* Stab type. */ 342 char stab_other; /* Stab other. */ 343 short stab_desc; /* Stab desc. */ 344 const char *stab_name; /* String for stab type. */ 345 } symbol_info; 346 347 /* Get the name of a stabs type code. */ 348 349 extern const char *bfd_get_stab_name (int); 350 351 /* Hash table routines. There is no way to free up a hash table. */ 352 353 /* An element in the hash table. Most uses will actually use a larger 354 structure, and an instance of this will be the first field. */ 355 356 struct bfd_hash_entry 357 { 358 /* Next entry for this hash code. */ 359 struct bfd_hash_entry *next; 360 /* String being hashed. */ 361 const char *string; 362 /* Hash code. This is the full hash code, not the index into the 363 table. */ 364 unsigned long hash; 365 }; 366 367 /* A hash table. */ 368 369 struct bfd_hash_table 370 { 371 /* The hash array. */ 372 struct bfd_hash_entry **table; 373 /* The number of slots in the hash table. */ 374 unsigned int size; 375 /* A function used to create new elements in the hash table. The 376 first entry is itself a pointer to an element. When this 377 function is first invoked, this pointer will be NULL. However, 378 having the pointer permits a hierarchy of method functions to be 379 built each of which calls the function in the superclass. Thus 380 each function should be written to allocate a new block of memory 381 only if the argument is NULL. */ 382 struct bfd_hash_entry *(*newfunc) 383 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 384 /* An objalloc for this hash table. This is a struct objalloc *, 385 but we use void * to avoid requiring the inclusion of objalloc.h. */ 386 void *memory; 387 }; 388 389 /* Initialize a hash table. */ 390 extern bfd_boolean bfd_hash_table_init 391 (struct bfd_hash_table *, 392 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 393 struct bfd_hash_table *, 394 const char *)); 395 396 /* Initialize a hash table specifying a size. */ 397 extern bfd_boolean bfd_hash_table_init_n 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 size); 403 404 /* Free up a hash table. */ 405 extern void bfd_hash_table_free 406 (struct bfd_hash_table *); 407 408 /* Look up a string in a hash table. If CREATE is TRUE, a new entry 409 will be created for this string if one does not already exist. The 410 COPY argument must be TRUE if this routine should copy the string 411 into newly allocated memory when adding an entry. */ 412 extern struct bfd_hash_entry *bfd_hash_lookup 413 (struct bfd_hash_table *, const char *, bfd_boolean create, 414 bfd_boolean copy); 415 416 /* Replace an entry in a hash table. */ 417 extern void bfd_hash_replace 418 (struct bfd_hash_table *, struct bfd_hash_entry *old, 419 struct bfd_hash_entry *nw); 420 421 /* Base method for creating a hash table entry. */ 422 extern struct bfd_hash_entry *bfd_hash_newfunc 423 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 424 425 /* Grab some space for a hash table entry. */ 426 extern void *bfd_hash_allocate 427 (struct bfd_hash_table *, unsigned int); 428 429 /* Traverse a hash table in a random order, calling a function on each 430 element. If the function returns FALSE, the traversal stops. The 431 INFO argument is passed to the function. */ 432 extern void bfd_hash_traverse 433 (struct bfd_hash_table *, 434 bfd_boolean (*) (struct bfd_hash_entry *, void *), 435 void *info); 436 437 #define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table 438 439 /* User program access to BFD facilities. */ 440 441 /* Direct I/O routines, for programs which know more about the object 442 file than BFD does. Use higher level routines if possible. */ 443 444 extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *); 445 extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *); 446 extern int bfd_seek (bfd *, file_ptr, int); 447 extern file_ptr bfd_tell (bfd *); 448 extern int bfd_flush (bfd *); 449 extern int bfd_stat (bfd *, struct stat *); 450 451 /* Deprecated old routines. */ 452 #if __GNUC__ 453 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 454 (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \ 455 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 456 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 457 (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \ 458 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 459 #else 460 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 461 (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \ 462 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 463 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 464 (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\ 465 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 466 #endif 467 extern void warn_deprecated (const char *, const char *, int, const char *); 468 469 /* Cast from const char * to char * so that caller can assign to 470 a char * without a warning. */ 471 #define bfd_get_filename(abfd) ((char *) (abfd)->filename) 472 #define bfd_get_cacheable(abfd) ((abfd)->cacheable) 473 #define bfd_get_format(abfd) ((abfd)->format) 474 #define bfd_get_target(abfd) ((abfd)->xvec->name) 475 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour) 476 #define bfd_family_coff(abfd) \ 477 (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \ 478 bfd_get_flavour (abfd) == bfd_target_xcoff_flavour) 479 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG) 480 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE) 481 #define bfd_header_big_endian(abfd) \ 482 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG) 483 #define bfd_header_little_endian(abfd) \ 484 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE) 485 #define bfd_get_file_flags(abfd) ((abfd)->flags) 486 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags) 487 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags) 488 #define bfd_my_archive(abfd) ((abfd)->my_archive) 489 #define bfd_has_map(abfd) ((abfd)->has_armap) 490 491 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types) 492 #define bfd_usrdata(abfd) ((abfd)->usrdata) 493 494 #define bfd_get_start_address(abfd) ((abfd)->start_address) 495 #define bfd_get_symcount(abfd) ((abfd)->symcount) 496 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols) 497 #define bfd_count_sections(abfd) ((abfd)->section_count) 498 499 #define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount) 500 501 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char) 502 503 #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE) 504 505 extern bfd_boolean bfd_cache_close 506 (bfd *abfd); 507 /* NB: This declaration should match the autogenerated one in libbfd.h. */ 508 509 extern bfd_boolean bfd_record_phdr 510 (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma, 511 bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **); 512 513 /* Byte swapping routines. */ 514 515 bfd_uint64_t bfd_getb64 (const void *); 516 bfd_uint64_t bfd_getl64 (const void *); 517 bfd_int64_t bfd_getb_signed_64 (const void *); 518 bfd_int64_t bfd_getl_signed_64 (const void *); 519 bfd_vma bfd_getb32 (const void *); 520 bfd_vma bfd_getl32 (const void *); 521 bfd_signed_vma bfd_getb_signed_32 (const void *); 522 bfd_signed_vma bfd_getl_signed_32 (const void *); 523 bfd_vma bfd_getb16 (const void *); 524 bfd_vma bfd_getl16 (const void *); 525 bfd_signed_vma bfd_getb_signed_16 (const void *); 526 bfd_signed_vma bfd_getl_signed_16 (const void *); 527 void bfd_putb64 (bfd_uint64_t, void *); 528 void bfd_putl64 (bfd_uint64_t, void *); 529 void bfd_putb32 (bfd_vma, void *); 530 void bfd_putl32 (bfd_vma, void *); 531 void bfd_putb16 (bfd_vma, void *); 532 void bfd_putl16 (bfd_vma, void *); 533 534 /* Byte swapping routines which take size and endiannes as arguments. */ 535 536 bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean); 537 void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean); 538 539 /* Externally visible ECOFF routines. */ 540 541 #if defined(__STDC__) || defined(ALMOST_STDC) 542 struct ecoff_debug_info; 543 struct ecoff_debug_swap; 544 struct ecoff_extr; 545 struct bfd_symbol; 546 struct bfd_link_info; 547 struct bfd_link_hash_entry; 548 struct bfd_elf_version_tree; 549 #endif 550 extern bfd_vma bfd_ecoff_get_gp_value 551 (bfd * abfd); 552 extern bfd_boolean bfd_ecoff_set_gp_value 553 (bfd *abfd, bfd_vma gp_value); 554 extern bfd_boolean bfd_ecoff_set_regmasks 555 (bfd *abfd, unsigned long gprmask, unsigned long fprmask, 556 unsigned long *cprmask); 557 extern void *bfd_ecoff_debug_init 558 (bfd *output_bfd, struct ecoff_debug_info *output_debug, 559 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 560 extern void bfd_ecoff_debug_free 561 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 562 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 563 extern bfd_boolean bfd_ecoff_debug_accumulate 564 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 565 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 566 struct ecoff_debug_info *input_debug, 567 const struct ecoff_debug_swap *input_swap, struct bfd_link_info *); 568 extern bfd_boolean bfd_ecoff_debug_accumulate_other 569 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 570 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 571 struct bfd_link_info *); 572 extern bfd_boolean bfd_ecoff_debug_externals 573 (bfd *abfd, struct ecoff_debug_info *debug, 574 const struct ecoff_debug_swap *swap, bfd_boolean relocatable, 575 bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *), 576 void (*set_index) (struct bfd_symbol *, bfd_size_type)); 577 extern bfd_boolean bfd_ecoff_debug_one_external 578 (bfd *abfd, struct ecoff_debug_info *debug, 579 const struct ecoff_debug_swap *swap, const char *name, 580 struct ecoff_extr *esym); 581 extern bfd_size_type bfd_ecoff_debug_size 582 (bfd *abfd, struct ecoff_debug_info *debug, 583 const struct ecoff_debug_swap *swap); 584 extern bfd_boolean bfd_ecoff_write_debug 585 (bfd *abfd, struct ecoff_debug_info *debug, 586 const struct ecoff_debug_swap *swap, file_ptr where); 587 extern bfd_boolean bfd_ecoff_write_accumulated_debug 588 (void *handle, bfd *abfd, struct ecoff_debug_info *debug, 589 const struct ecoff_debug_swap *swap, 590 struct bfd_link_info *info, file_ptr where); 591 extern bfd_boolean bfd_mips_ecoff_create_embedded_relocs 592 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 593 594 /* Externally visible ELF routines. */ 595 596 struct bfd_link_needed_list 597 { 598 struct bfd_link_needed_list *next; 599 bfd *by; 600 const char *name; 601 }; 602 603 enum dynamic_lib_link_class { 604 DYN_NORMAL = 0, 605 DYN_AS_NEEDED = 1, 606 DYN_DT_NEEDED = 2 607 }; 608 609 extern bfd_boolean bfd_elf_record_link_assignment 610 (bfd *, struct bfd_link_info *, const char *, bfd_boolean); 611 extern struct bfd_link_needed_list *bfd_elf_get_needed_list 612 (bfd *, struct bfd_link_info *); 613 extern bfd_boolean bfd_elf_get_bfd_needed_list 614 (bfd *, struct bfd_link_needed_list **); 615 extern bfd_boolean bfd_elf_size_dynamic_sections 616 (bfd *, const char *, const char *, const char *, const char * const *, 617 struct bfd_link_info *, struct bfd_section **, struct bfd_elf_version_tree *); 618 extern void bfd_elf_set_dt_needed_name 619 (bfd *, const char *); 620 extern const char *bfd_elf_get_dt_soname 621 (bfd *); 622 extern void bfd_elf_set_dyn_lib_class 623 (bfd *, int); 624 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list 625 (bfd *, struct bfd_link_info *); 626 extern bfd_boolean bfd_elf_discard_info 627 (bfd *, struct bfd_link_info *); 628 629 /* Return an upper bound on the number of bytes required to store a 630 copy of ABFD's program header table entries. Return -1 if an error 631 occurs; bfd_get_error will return an appropriate code. */ 632 extern long bfd_get_elf_phdr_upper_bound 633 (bfd *abfd); 634 635 /* Copy ABFD's program header table entries to *PHDRS. The entries 636 will be stored as an array of Elf_Internal_Phdr structures, as 637 defined in include/elf/internal.h. To find out how large the 638 buffer needs to be, call bfd_get_elf_phdr_upper_bound. 639 640 Return the number of program header table entries read, or -1 if an 641 error occurs; bfd_get_error will return an appropriate code. */ 642 extern int bfd_get_elf_phdrs 643 (bfd *abfd, void *phdrs); 644 645 /* Create a new BFD as if by bfd_openr. Rather than opening a file, 646 reconstruct an ELF file by reading the segments out of remote memory 647 based on the ELF file header at EHDR_VMA and the ELF program headers it 648 points to. If not null, *LOADBASEP is filled in with the difference 649 between the VMAs from which the segments were read, and the VMAs the 650 file headers (and hence BFD's idea of each section's VMA) put them at. 651 652 The function TARGET_READ_MEMORY is called to copy LEN bytes from the 653 remote memory at target address VMA into the local buffer at MYADDR; it 654 should return zero on success or an `errno' code on failure. TEMPL must 655 be a BFD for an ELF target with the word size and byte order found in 656 the remote memory. */ 657 extern bfd *bfd_elf_bfd_from_remote_memory 658 (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, 659 int (*target_read_memory) (bfd_vma vma, char *myaddr, int len)); 660 661 /* Return the arch_size field of an elf bfd, or -1 if not elf. */ 662 extern int bfd_get_arch_size 663 (bfd *); 664 665 /* Return TRUE if address "naturally" sign extends, or -1 if not elf. */ 666 extern int bfd_get_sign_extend_vma 667 (bfd *); 668 669 extern struct bfd_section *_bfd_elf_tls_setup 670 (bfd *, struct bfd_link_info *); 671 672 extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs 673 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 674 extern bfd_boolean bfd_mips_elf32_create_embedded_relocs 675 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 676 677 /* SunOS shared library support routines for the linker. */ 678 679 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list 680 (bfd *, struct bfd_link_info *); 681 extern bfd_boolean bfd_sunos_record_link_assignment 682 (bfd *, struct bfd_link_info *, const char *); 683 extern bfd_boolean bfd_sunos_size_dynamic_sections 684 (bfd *, struct bfd_link_info *, struct bfd_section **, struct bfd_section **, struct bfd_section **); 685 686 /* Linux shared library support routines for the linker. */ 687 688 extern bfd_boolean bfd_i386linux_size_dynamic_sections 689 (bfd *, struct bfd_link_info *); 690 extern bfd_boolean bfd_m68klinux_size_dynamic_sections 691 (bfd *, struct bfd_link_info *); 692 extern bfd_boolean bfd_sparclinux_size_dynamic_sections 693 (bfd *, struct bfd_link_info *); 694 695 /* mmap hacks */ 696 697 struct _bfd_window_internal; 698 typedef struct _bfd_window_internal bfd_window_internal; 699 700 typedef struct _bfd_window 701 { 702 /* What the user asked for. */ 703 void *data; 704 bfd_size_type size; 705 /* The actual window used by BFD. Small user-requested read-only 706 regions sharing a page may share a single window into the object 707 file. Read-write versions shouldn't until I've fixed things to 708 keep track of which portions have been claimed by the 709 application; don't want to give the same region back when the 710 application wants two writable copies! */ 711 struct _bfd_window_internal *i; 712 } 713 bfd_window; 714 715 extern void bfd_init_window 716 (bfd_window *); 717 extern void bfd_free_window 718 (bfd_window *); 719 extern bfd_boolean bfd_get_file_window 720 (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean); 721 722 /* XCOFF support routines for the linker. */ 723 724 extern bfd_boolean bfd_xcoff_link_record_set 725 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type); 726 extern bfd_boolean bfd_xcoff_import_symbol 727 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma, 728 const char *, const char *, const char *, unsigned int); 729 extern bfd_boolean bfd_xcoff_export_symbol 730 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 731 extern bfd_boolean bfd_xcoff_link_count_reloc 732 (bfd *, struct bfd_link_info *, const char *); 733 extern bfd_boolean bfd_xcoff_record_link_assignment 734 (bfd *, struct bfd_link_info *, const char *); 735 extern bfd_boolean bfd_xcoff_size_dynamic_sections 736 (bfd *, struct bfd_link_info *, const char *, const char *, 737 unsigned long, unsigned long, unsigned long, bfd_boolean, 738 int, bfd_boolean, bfd_boolean, struct bfd_section **, bfd_boolean); 739 extern bfd_boolean bfd_xcoff_link_generate_rtinit 740 (bfd *, const char *, const char *, bfd_boolean); 741 742 /* XCOFF support routines for ar. */ 743 extern bfd_boolean bfd_xcoff_ar_archive_set_magic 744 (bfd *, char *); 745 746 /* Externally visible COFF routines. */ 747 748 #if defined(__STDC__) || defined(ALMOST_STDC) 749 struct internal_syment; 750 union internal_auxent; 751 #endif 752 753 extern bfd_boolean bfd_coff_get_syment 754 (bfd *, struct bfd_symbol *, struct internal_syment *); 755 756 extern bfd_boolean bfd_coff_get_auxent 757 (bfd *, struct bfd_symbol *, int, union internal_auxent *); 758 759 extern bfd_boolean bfd_coff_set_symbol_class 760 (bfd *, struct bfd_symbol *, unsigned int); 761 762 extern bfd_boolean bfd_m68k_coff_create_embedded_relocs 763 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 764 765 /* ARM Interworking support. Called from linker. */ 766 extern bfd_boolean bfd_arm_allocate_interworking_sections 767 (struct bfd_link_info *); 768 769 extern bfd_boolean bfd_arm_process_before_allocation 770 (bfd *, struct bfd_link_info *, int); 771 772 extern bfd_boolean bfd_arm_get_bfd_for_interworking 773 (bfd *, struct bfd_link_info *); 774 775 /* PE ARM Interworking support. Called from linker. */ 776 extern bfd_boolean bfd_arm_pe_allocate_interworking_sections 777 (struct bfd_link_info *); 778 779 extern bfd_boolean bfd_arm_pe_process_before_allocation 780 (bfd *, struct bfd_link_info *, int); 781 782 extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking 783 (bfd *, struct bfd_link_info *); 784 785 /* ELF ARM Interworking support. Called from linker. */ 786 extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections 787 (struct bfd_link_info *); 788 789 extern bfd_boolean bfd_elf32_arm_process_before_allocation 790 (bfd *, struct bfd_link_info *, int); 791 792 extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking 793 (bfd *, struct bfd_link_info *); 794 795 extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd 796 (bfd *, struct bfd_link_info *); 797 798 /* ARM Note section processing. */ 799 extern bfd_boolean bfd_arm_merge_machines 800 (bfd *, bfd *); 801 802 extern bfd_boolean bfd_arm_update_notes 803 (bfd *, const char *); 804 805 extern unsigned int bfd_arm_get_mach_from_notes 806 (bfd *, const char *); 807 808 /* TI COFF load page support. */ 809 extern void bfd_ticoff_set_section_load_page 810 (struct bfd_section *, int); 811 812 extern int bfd_ticoff_get_section_load_page 813 (struct bfd_section *); 814 815 /* H8/300 functions. */ 816 extern bfd_vma bfd_h8300_pad_address 817 (bfd *, bfd_vma); 818 819 /* IA64 Itanium code generation. Called from linker. */ 820 extern void bfd_elf32_ia64_after_parse 821 (int); 822 823 extern void bfd_elf64_ia64_after_parse 824 (int); 825 826