bfd-in.h 30.5 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868
/* Main header file for the bfd library -- portable access to object files.

   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
   1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.

   Contributed by Cygnus Support.

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#ifndef __BFD_H_SEEN__
#define __BFD_H_SEEN__

#ifdef __cplusplus
extern "C" {
#endif

#include "ansidecl.h"
#include "symcat.h"
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
#ifndef SABER
/* This hack is to avoid a problem with some strict ANSI C preprocessors.
   The problem is, "32_" is not a valid preprocessing token, and we don't
   want extra underscores (e.g., "nlm_32_").  The XCONCAT2 macro will
   cause the inner CONCAT2 macros to be evaluated first, producing
   still-valid pp-tokens.  Then the final concatenation can be done.  */
#undef CONCAT4
#define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))
#endif
#endif

/* The word size used by BFD on the host.  This may be 64 with a 32
   bit target if the host is 64 bit, or if other 64 bit targets have
   been selected with --enable-targets, or if --enable-64-bit-bfd.  */
#define BFD_ARCH_SIZE @wordsize@

/* The word size of the default bfd target.  */
#define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@

#define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
#if @BFD_HOST_64_BIT_DEFINED@
#define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
#define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
#endif

#if BFD_ARCH_SIZE >= 64
#define BFD64
#endif

#ifndef INLINE
#if __GNUC__ >= 2
#define INLINE __inline__
#else
#define INLINE
#endif
#endif

/* Forward declaration.  */
typedef struct bfd bfd;

/* Boolean type used in bfd.  Too many systems define their own
   versions of "boolean" for us to safely typedef a "boolean" of
   our own.  Using an enum for "bfd_boolean" has its own set of
   problems, with strange looking casts required to avoid warnings
   on some older compilers.  Thus we just use an int.

   General rule: Functions which are bfd_boolean return TRUE on
   success and FALSE on failure (unless they're a predicate).  */

typedef int bfd_boolean;
#undef FALSE
#undef TRUE
#define FALSE 0
#define TRUE 1

#if 0
/* Poison.  */
#undef false
#undef true
#define false dont_use_false_in_bfd
#define true dont_use_true_in_bfd
#endif

/* Support for different sizes of target format ints and addresses.
   If the type `long' is at least 64 bits, BFD_HOST_64BIT_LONG will be
   set to 1 above.  Otherwise, if gcc is being used, this code will
   use gcc's "long long" type.  Otherwise, BFD_HOST_64_BIT must be
   defined above.  */

#ifndef BFD_HOST_64_BIT
# if BFD_HOST_64BIT_LONG
#  define BFD_HOST_64_BIT long
#  define BFD_HOST_U_64_BIT unsigned long
# else
#  ifdef __GNUC__
#   if __GNUC__ >= 2
#    define BFD_HOST_64_BIT long long
#    define BFD_HOST_U_64_BIT unsigned long long
#   endif /* __GNUC__ >= 2 */
#  endif /* ! defined (__GNUC__) */
# endif /* ! BFD_HOST_64BIT_LONG */
#endif /* ! defined (BFD_HOST_64_BIT) */

#ifdef BFD64

#ifndef BFD_HOST_64_BIT
 #error No 64 bit integer type available
#endif /* ! defined (BFD_HOST_64_BIT) */

typedef BFD_HOST_U_64_BIT bfd_vma;
typedef BFD_HOST_64_BIT bfd_signed_vma;
typedef BFD_HOST_U_64_BIT bfd_size_type;
typedef BFD_HOST_U_64_BIT symvalue;

#ifndef fprintf_vma
#if BFD_HOST_64BIT_LONG
#define sprintf_vma(s,x) sprintf (s, "%016lx", x)
#define fprintf_vma(f,x) fprintf (f, "%016lx", x)
#else
#define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff)))
#define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff))
#define fprintf_vma(s,x) \
  fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
#define sprintf_vma(s,x) \
  sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
#endif
#endif

#else /* not BFD64  */

/* Represent a target address.  Also used as a generic unsigned type
   which is guaranteed to be big enough to hold any arithmetic types
   we need to deal with.  */
typedef unsigned long bfd_vma;

/* A generic signed type which is guaranteed to be big enough to hold any
   arithmetic types we need to deal with.  Can be assumed to be compatible
   with bfd_vma in the same way that signed and unsigned ints are compatible
   (as parameters, in assignment, etc).  */
typedef long bfd_signed_vma;

typedef unsigned long symvalue;
typedef unsigned long bfd_size_type;

/* Print a bfd_vma x on stream s.  */
#define fprintf_vma(s,x) fprintf (s, "%08lx", x)
#define sprintf_vma(s,x) sprintf (s, "%08lx", x)

#endif /* not BFD64  */

/* A pointer to a position in a file.  */
/* FIXME:  This should be using off_t from <sys/types.h>.
   For now, try to avoid breaking stuff by not including <sys/types.h> here.
   This will break on systems with 64-bit file offsets (e.g. 4.4BSD).
   Probably the best long-term answer is to avoid using file_ptr AND off_t
   in this header file, and to handle this in the BFD implementation
   rather than in its interface.  */
/* typedef off_t	file_ptr; */
typedef bfd_signed_vma file_ptr;
typedef bfd_vma ufile_ptr;

extern void bfd_sprintf_vma
  PARAMS ((bfd *, char *, bfd_vma));
extern void bfd_fprintf_vma
  PARAMS ((bfd *, PTR, bfd_vma));

#define printf_vma(x) fprintf_vma(stdout,x)
#define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)

typedef unsigned int flagword;	/* 32 bits of flags */
typedef unsigned char bfd_byte;

/* File formats.  */

typedef enum bfd_format
{
  bfd_unknown = 0,	/* File format is unknown.  */
  bfd_object,		/* Linker/assember/compiler output.  */
  bfd_archive,		/* Object archive file.  */
  bfd_core,		/* Core dump.  */
  bfd_type_end		/* Marks the end; don't use it!  */
}
bfd_format;

/* Values that may appear in the flags field of a BFD.  These also
   appear in the object_flags field of the bfd_target structure, where
   they indicate the set of flags used by that backend (not all flags
   are meaningful for all object file formats) (FIXME: at the moment,
   the object_flags values have mostly just been copied from backend
   to another, and are not necessarily correct).  */

/* No flags.  */
#define BFD_NO_FLAGS   	0x00

/* BFD contains relocation entries.  */
#define HAS_RELOC   	0x01

/* BFD is directly executable.  */
#define EXEC_P      	0x02

/* BFD has line number information (basically used for F_LNNO in a
   COFF header).  */
#define HAS_LINENO  	0x04

/* BFD has debugging information.  */
#define HAS_DEBUG   	0x08

/* BFD has symbols.  */
#define HAS_SYMS    	0x10

/* BFD has local symbols (basically used for F_LSYMS in a COFF
   header).  */
#define HAS_LOCALS  	0x20

/* BFD is a dynamic object.  */
#define DYNAMIC     	0x40

/* Text section is write protected (if D_PAGED is not set, this is
   like an a.out NMAGIC file) (the linker sets this by default, but
   clears it for -r or -N).  */
#define WP_TEXT     	0x80

/* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
   linker sets this by default, but clears it for -r or -n or -N).  */
#define D_PAGED     	0x100

/* BFD is relaxable (this means that bfd_relax_section may be able to
   do something) (sometimes bfd_relax_section can do something even if
   this is not set).  */
#define BFD_IS_RELAXABLE 0x200

/* This may be set before writing out a BFD to request using a
   traditional format.  For example, this is used to request that when
   writing out an a.out object the symbols not be hashed to eliminate
   duplicates.  */
#define BFD_TRADITIONAL_FORMAT 0x400

/* This flag indicates that the BFD contents are actually cached in
   memory.  If this is set, iostream points to a bfd_in_memory struct.  */
#define BFD_IN_MEMORY 0x800

/* The sections in this BFD specify a memory page.  */
#define HAS_LOAD_PAGE 0x1000

/* Symbols and relocation.  */

/* A count of carsyms (canonical archive symbols).  */
typedef unsigned long symindex;

/* How to perform a relocation.  */
typedef const struct reloc_howto_struct reloc_howto_type;

#define BFD_NO_MORE_SYMBOLS ((symindex) ~0)

/* General purpose part of a symbol X;
   target specific parts are in libcoff.h, libaout.h, etc.  */

#define bfd_get_section(x) ((x)->section)
#define bfd_get_output_section(x) ((x)->section->output_section)
#define bfd_set_section(x,y) ((x)->section) = (y)
#define bfd_asymbol_base(x) ((x)->section->vma)
#define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
#define bfd_asymbol_name(x) ((x)->name)
/*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
#define bfd_asymbol_bfd(x) ((x)->the_bfd)
#define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)

/* A canonical archive symbol.  */
/* This is a type pun with struct ranlib on purpose!  */
typedef struct carsym
{
  char *name;
  file_ptr file_offset;	/* Look here to find the file.  */
}
carsym;			/* To make these you call a carsymogen.  */

/* Used in generating armaps (archive tables of contents).
   Perhaps just a forward definition would do?  */
struct orl 			/* Output ranlib.  */
{
  char **name;		/* Symbol name.  */
  union
  {
    file_ptr pos;
    bfd *abfd;
  } u;			/* bfd* or file position.  */
  int namidx;		/* Index into string table.  */
};

/* Linenumber stuff.  */
typedef struct lineno_cache_entry
{
  unsigned int line_number;	/* Linenumber from start of function.  */
  union
  {
    struct symbol_cache_entry *sym;	/* Function name.  */
    bfd_vma offset;	    		/* Offset into section.  */
  } u;
}
alent;

/* Object and core file sections.  */

#define	align_power(addr, align)	\
  (((addr) + ((bfd_vma) 1 << (align)) - 1) & ((bfd_vma) -1 << (align)))

typedef struct sec *sec_ptr;

#define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
#define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
#define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0)
#define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
#define bfd_section_name(bfd, ptr) ((ptr)->name)
#define bfd_section_size(bfd, ptr) (bfd_get_section_size_before_reloc(ptr))
#define bfd_section_vma(bfd, ptr) ((ptr)->vma)
#define bfd_section_lma(bfd, ptr) ((ptr)->lma)
#define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
#define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
#define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)

#define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)

#define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE)
#define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE)
#define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE)

typedef struct stat stat_type;

typedef enum bfd_print_symbol
{
  bfd_print_symbol_name,
  bfd_print_symbol_more,
  bfd_print_symbol_all
} bfd_print_symbol_type;

/* Information about a symbol that nm needs.  */

typedef struct _symbol_info
{
  symvalue value;
  char type;
  const char *name;            /* Symbol name.  */
  unsigned char stab_type;     /* Stab type.  */
  char stab_other;             /* Stab other.  */
  short stab_desc;             /* Stab desc.  */
  const char *stab_name;       /* String for stab type.  */
} symbol_info;

/* Get the name of a stabs type code.  */

extern const char *bfd_get_stab_name
  PARAMS ((int));

/* Hash table routines.  There is no way to free up a hash table.  */

/* An element in the hash table.  Most uses will actually use a larger
   structure, and an instance of this will be the first field.  */

struct bfd_hash_entry
{
  /* Next entry for this hash code.  */
  struct bfd_hash_entry *next;
  /* String being hashed.  */
  const char *string;
  /* Hash code.  This is the full hash code, not the index into the
     table.  */
  unsigned long hash;
};

/* A hash table.  */

struct bfd_hash_table
{
  /* The hash array.  */
  struct bfd_hash_entry **table;
  /* The number of slots in the hash table.  */
  unsigned int size;
  /* A function used to create new elements in the hash table.  The
     first entry is itself a pointer to an element.  When this
     function is first invoked, this pointer will be NULL.  However,
     having the pointer permits a hierarchy of method functions to be
     built each of which calls the function in the superclass.  Thus
     each function should be written to allocate a new block of memory
     only if the argument is NULL.  */
  struct bfd_hash_entry *(*newfunc)
    PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
   /* An objalloc for this hash table.  This is a struct objalloc *,
     but we use PTR to avoid requiring the inclusion of objalloc.h.  */
  PTR memory;
};

/* Initialize a hash table.  */
extern bfd_boolean bfd_hash_table_init
  PARAMS ((struct bfd_hash_table *,
	   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
				       struct bfd_hash_table *,
				       const char *)));

/* Initialize a hash table specifying a size.  */
extern bfd_boolean bfd_hash_table_init_n
  PARAMS ((struct bfd_hash_table *,
	   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
				       struct bfd_hash_table *,
				       const char *),
	   unsigned int size));

/* Free up a hash table.  */
extern void bfd_hash_table_free
  PARAMS ((struct bfd_hash_table *));

/* Look up a string in a hash table.  If CREATE is TRUE, a new entry
   will be created for this string if one does not already exist.  The
   COPY argument must be TRUE if this routine should copy the string
   into newly allocated memory when adding an entry.  */
extern struct bfd_hash_entry *bfd_hash_lookup
  PARAMS ((struct bfd_hash_table *, const char *, bfd_boolean create,
	   bfd_boolean copy));

/* Replace an entry in a hash table.  */
extern void bfd_hash_replace
  PARAMS ((struct bfd_hash_table *, struct bfd_hash_entry *old,
	   struct bfd_hash_entry *nw));

/* Base method for creating a hash table entry.  */
extern struct bfd_hash_entry *bfd_hash_newfunc
  PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
	   const char *));

/* Grab some space for a hash table entry.  */
extern PTR bfd_hash_allocate
  PARAMS ((struct bfd_hash_table *, unsigned int));

/* Traverse a hash table in a random order, calling a function on each
   element.  If the function returns FALSE, the traversal stops.  The
   INFO argument is passed to the function.  */
extern void bfd_hash_traverse
  PARAMS ((struct bfd_hash_table *,
	   bfd_boolean (*) (struct bfd_hash_entry *, PTR),
	   PTR info));

#define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table

/* User program access to BFD facilities.  */

/* Direct I/O routines, for programs which know more about the object
   file than BFD does.  Use higher level routines if possible.  */

extern bfd_size_type bfd_bread
  PARAMS ((PTR, bfd_size_type, bfd *));
extern bfd_size_type bfd_bwrite
  PARAMS ((const PTR, bfd_size_type, bfd *));
extern int bfd_seek
  PARAMS ((bfd *, file_ptr, int));
extern ufile_ptr bfd_tell
  PARAMS ((bfd *));
extern int bfd_flush
  PARAMS ((bfd *));
extern int bfd_stat
  PARAMS ((bfd *, struct stat *));

/* Deprecated old routines.  */
#if __GNUC__
#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)				\
  (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__),	\
   bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)				\
  (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__),	\
   bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
#else
#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)				\
  (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
   bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)				\
  (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
   bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
#endif
extern void warn_deprecated
  PARAMS ((const char *, const char *, int, const char *));

/* Cast from const char * to char * so that caller can assign to
   a char * without a warning.  */
#define bfd_get_filename(abfd) ((char *) (abfd)->filename)
#define bfd_get_cacheable(abfd) ((abfd)->cacheable)
#define bfd_get_format(abfd) ((abfd)->format)
#define bfd_get_target(abfd) ((abfd)->xvec->name)
#define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
#define bfd_family_coff(abfd) \
  (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
   bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
#define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
#define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
#define bfd_header_big_endian(abfd) \
  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
#define bfd_header_little_endian(abfd) \
  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
#define bfd_get_file_flags(abfd) ((abfd)->flags)
#define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
#define bfd_my_archive(abfd) ((abfd)->my_archive)
#define bfd_has_map(abfd) ((abfd)->has_armap)

#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
#define bfd_usrdata(abfd) ((abfd)->usrdata)

#define bfd_get_start_address(abfd) ((abfd)->start_address)
#define bfd_get_symcount(abfd) ((abfd)->symcount)
#define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
#define bfd_count_sections(abfd) ((abfd)->section_count)

#define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount)

#define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)

#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE)

extern bfd_boolean bfd_cache_close
  PARAMS ((bfd *abfd));
/* NB: This declaration should match the autogenerated one in libbfd.h.  */

extern bfd_boolean bfd_record_phdr
  PARAMS ((bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma,
	   bfd_boolean, bfd_boolean, unsigned int, struct sec **));

/* Byte swapping routines.  */

bfd_vma bfd_getb64
  PARAMS ((const unsigned char *));
bfd_vma bfd_getl64
  PARAMS ((const unsigned char *));
bfd_signed_vma bfd_getb_signed_64
  PARAMS ((const unsigned char *));
bfd_signed_vma bfd_getl_signed_64
  PARAMS ((const unsigned char *));
bfd_vma bfd_getb32
  PARAMS ((const unsigned char *));
bfd_vma bfd_getl32
  PARAMS ((const unsigned char *));
bfd_signed_vma bfd_getb_signed_32
  PARAMS ((const unsigned char *));
bfd_signed_vma bfd_getl_signed_32
  PARAMS ((const unsigned char *));
bfd_vma bfd_getb16
  PARAMS ((const unsigned char *));
bfd_vma bfd_getl16
  PARAMS ((const unsigned char *));
bfd_signed_vma bfd_getb_signed_16
  PARAMS ((const unsigned char *));
bfd_signed_vma bfd_getl_signed_16
  PARAMS ((const unsigned char *));
void bfd_putb64
  PARAMS ((bfd_vma, unsigned char *));
void bfd_putl64
  PARAMS ((bfd_vma, unsigned char *));
void bfd_putb32
  PARAMS ((bfd_vma, unsigned char *));
void bfd_putl32
  PARAMS ((bfd_vma, unsigned char *));
void bfd_putb16
  PARAMS ((bfd_vma, unsigned char *));
void bfd_putl16
  PARAMS ((bfd_vma, unsigned char *));

/* Byte swapping routines which take size and endiannes as arguments.  */

bfd_vma bfd_get_bits
  PARAMS ((bfd_byte *, int, bfd_boolean));
void bfd_put_bits
  PARAMS ((bfd_vma, bfd_byte *, int, bfd_boolean));

/* Externally visible ECOFF routines.  */

#if defined(__STDC__) || defined(ALMOST_STDC)
struct ecoff_debug_info;
struct ecoff_debug_swap;
struct ecoff_extr;
struct symbol_cache_entry;
struct bfd_link_info;
struct bfd_link_hash_entry;
struct bfd_elf_version_tree;
#endif
extern bfd_vma bfd_ecoff_get_gp_value
  PARAMS ((bfd * abfd));
extern bfd_boolean bfd_ecoff_set_gp_value
  PARAMS ((bfd *abfd, bfd_vma gp_value));
extern bfd_boolean bfd_ecoff_set_regmasks
  PARAMS ((bfd *abfd, unsigned long gprmask, unsigned long fprmask,
	   unsigned long *cprmask));
extern PTR bfd_ecoff_debug_init
  PARAMS ((bfd *output_bfd, struct ecoff_debug_info *output_debug,
	   const struct ecoff_debug_swap *output_swap,
	   struct bfd_link_info *));
extern void bfd_ecoff_debug_free
  PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
	   const struct ecoff_debug_swap *output_swap,
	   struct bfd_link_info *));
extern bfd_boolean bfd_ecoff_debug_accumulate
  PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
	   const struct ecoff_debug_swap *output_swap,
	   bfd *input_bfd, struct ecoff_debug_info *input_debug,
	   const struct ecoff_debug_swap *input_swap,
	   struct bfd_link_info *));
extern bfd_boolean bfd_ecoff_debug_accumulate_other
  PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
	   const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
	   struct bfd_link_info *));
extern bfd_boolean bfd_ecoff_debug_externals
  PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
	   const struct ecoff_debug_swap *swap,
	   bfd_boolean relocateable,
	   bfd_boolean (*get_extr) (struct symbol_cache_entry *,
				    struct ecoff_extr *),
	   void (*set_index) (struct symbol_cache_entry *,
			      bfd_size_type)));
extern bfd_boolean bfd_ecoff_debug_one_external
  PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
	   const struct ecoff_debug_swap *swap,
	   const char *name, struct ecoff_extr *esym));
extern bfd_size_type bfd_ecoff_debug_size
  PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
	   const struct ecoff_debug_swap *swap));
extern bfd_boolean bfd_ecoff_write_debug
  PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
	   const struct ecoff_debug_swap *swap, file_ptr where));
extern bfd_boolean bfd_ecoff_write_accumulated_debug
  PARAMS ((PTR handle, bfd *abfd, struct ecoff_debug_info *debug,
	   const struct ecoff_debug_swap *swap,
	   struct bfd_link_info *info, file_ptr where));
extern bfd_boolean bfd_mips_ecoff_create_embedded_relocs
  PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
	   char **));

/* Externally visible ELF routines.  */

struct bfd_link_needed_list
{
  struct bfd_link_needed_list *next;
  bfd *by;
  const char *name;
};

extern bfd_boolean bfd_elf_record_link_assignment
  PARAMS ((bfd *, struct bfd_link_info *, const char *, bfd_boolean));
extern struct bfd_link_needed_list *bfd_elf_get_needed_list
  PARAMS ((bfd *, struct bfd_link_info *));
extern bfd_boolean bfd_elf_get_bfd_needed_list
  PARAMS ((bfd *, struct bfd_link_needed_list **));
extern bfd_boolean bfd_elf32_size_dynamic_sections
  PARAMS ((bfd *, const char *, const char *, const char *,
	   const char * const *, struct bfd_link_info *, struct sec **,
	   struct bfd_elf_version_tree *));
extern bfd_boolean bfd_elf64_size_dynamic_sections
  PARAMS ((bfd *, const char *, const char *, const char *,
	   const char * const *, struct bfd_link_info *, struct sec **,
	   struct bfd_elf_version_tree *));
extern void bfd_elf_set_dt_needed_name
  PARAMS ((bfd *, const char *));
extern void bfd_elf_set_dt_needed_soname
  PARAMS ((bfd *, const char *));
extern const char *bfd_elf_get_dt_soname
  PARAMS ((bfd *));
extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
  PARAMS ((bfd *, struct bfd_link_info *));
extern bfd_boolean bfd_elf32_discard_info
  PARAMS ((bfd *, struct bfd_link_info *));
extern bfd_boolean bfd_elf64_discard_info
  PARAMS ((bfd *, struct bfd_link_info *));

/* Return an upper bound on the number of bytes required to store a
   copy of ABFD's program header table entries.  Return -1 if an error
   occurs; bfd_get_error will return an appropriate code.  */
extern long bfd_get_elf_phdr_upper_bound
  PARAMS ((bfd *abfd));

/* Copy ABFD's program header table entries to *PHDRS.  The entries
   will be stored as an array of Elf_Internal_Phdr structures, as
   defined in include/elf/internal.h.  To find out how large the
   buffer needs to be, call bfd_get_elf_phdr_upper_bound.

   Return the number of program header table entries read, or -1 if an
   error occurs; bfd_get_error will return an appropriate code.  */
extern int bfd_get_elf_phdrs
  PARAMS ((bfd *abfd, void *phdrs));

/* Create a new BFD as if by bfd_openr.  Rather than opening a file,
   reconstruct an ELF file by reading the segments out of remote memory
   based on the ELF file header at EHDR_VMA and the ELF program headers it
   points to.  If not null, *LOADBASEP is filled in with the difference
   between the VMAs from which the segments were read, and the VMAs the
   file headers (and hence BFD's idea of each section's VMA) put them at.

   The function TARGET_READ_MEMORY is called to copy LEN bytes from the
   remote memory at target address VMA into the local buffer at MYADDR; it
   should return zero on success or an `errno' code on failure.  TEMPL must
   be a BFD for an ELF target with the word size and byte order found in
   the remote memory.  */
extern bfd *bfd_elf_bfd_from_remote_memory
  PARAMS ((bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
	   int (*target_read_memory) (bfd_vma vma, char *myaddr, int len)));

/* Return the arch_size field of an elf bfd, or -1 if not elf.  */
extern int bfd_get_arch_size
  PARAMS ((bfd *));

/* Return TRUE if address "naturally" sign extends, or -1 if not elf.  */
extern int bfd_get_sign_extend_vma
  PARAMS ((bfd *));

extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
  PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
	   char **));
extern bfd_boolean bfd_mips_elf32_create_embedded_relocs
  PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
	   char **));

/* SunOS shared library support routines for the linker.  */

extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
  PARAMS ((bfd *, struct bfd_link_info *));
extern bfd_boolean bfd_sunos_record_link_assignment
  PARAMS ((bfd *, struct bfd_link_info *, const char *));
extern bfd_boolean bfd_sunos_size_dynamic_sections
  PARAMS ((bfd *, struct bfd_link_info *, struct sec **, struct sec **,
	   struct sec **));

/* Linux shared library support routines for the linker.  */

extern bfd_boolean bfd_i386linux_size_dynamic_sections
  PARAMS ((bfd *, struct bfd_link_info *));
extern bfd_boolean bfd_m68klinux_size_dynamic_sections
  PARAMS ((bfd *, struct bfd_link_info *));
extern bfd_boolean bfd_sparclinux_size_dynamic_sections
  PARAMS ((bfd *, struct bfd_link_info *));

/* mmap hacks */

struct _bfd_window_internal;
typedef struct _bfd_window_internal bfd_window_internal;

typedef struct _bfd_window
{
  /* What the user asked for.  */
  PTR data;
  bfd_size_type size;
  /* The actual window used by BFD.  Small user-requested read-only
     regions sharing a page may share a single window into the object
     file.  Read-write versions shouldn't until I've fixed things to
     keep track of which portions have been claimed by the
     application; don't want to give the same region back when the
     application wants two writable copies!  */
  struct _bfd_window_internal *i;
}
bfd_window;

extern void bfd_init_window
  PARAMS ((bfd_window *));
extern void bfd_free_window
  PARAMS ((bfd_window *));
extern bfd_boolean bfd_get_file_window
  PARAMS ((bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean));

/* XCOFF support routines for the linker.  */

extern bfd_boolean bfd_xcoff_link_record_set
  PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
	   bfd_size_type));
extern bfd_boolean bfd_xcoff_import_symbol
  PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
	   bfd_vma, const char *, const char *, const char *, unsigned int));
extern bfd_boolean bfd_xcoff_export_symbol
  PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *));
extern bfd_boolean bfd_xcoff_link_count_reloc
  PARAMS ((bfd *, struct bfd_link_info *, const char *));
extern bfd_boolean bfd_xcoff_record_link_assignment
  PARAMS ((bfd *, struct bfd_link_info *, const char *));
extern bfd_boolean bfd_xcoff_size_dynamic_sections
  PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *,
	   unsigned long, unsigned long, unsigned long, bfd_boolean,
	   int, bfd_boolean, bfd_boolean, struct sec **, bfd_boolean));
extern bfd_boolean bfd_xcoff_link_generate_rtinit
  PARAMS ((bfd *, const char *, const char *, bfd_boolean));

/* XCOFF support routines for ar.  */
extern bfd_boolean bfd_xcoff_ar_archive_set_magic
  PARAMS ((bfd *, char *));

/* Externally visible COFF routines.  */

#if defined(__STDC__) || defined(ALMOST_STDC)
struct internal_syment;
union internal_auxent;
#endif

extern bfd_boolean bfd_coff_get_syment
  PARAMS ((bfd *, struct symbol_cache_entry *, struct internal_syment *));

extern bfd_boolean bfd_coff_get_auxent
  PARAMS ((bfd *, struct symbol_cache_entry *, int, union internal_auxent *));

extern bfd_boolean bfd_coff_set_symbol_class
  PARAMS ((bfd *, struct symbol_cache_entry *, unsigned int));

extern bfd_boolean bfd_m68k_coff_create_embedded_relocs
  PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
	   char **));

/* ARM Interworking support.  Called from linker.  */
extern bfd_boolean bfd_arm_allocate_interworking_sections
  PARAMS ((struct bfd_link_info *));

extern bfd_boolean bfd_arm_process_before_allocation
  PARAMS ((bfd *, struct bfd_link_info *, int));

extern bfd_boolean bfd_arm_get_bfd_for_interworking
  PARAMS ((bfd *, struct bfd_link_info *));

/* PE ARM Interworking support.  Called from linker.  */
extern bfd_boolean bfd_arm_pe_allocate_interworking_sections
  PARAMS ((struct bfd_link_info *));

extern bfd_boolean bfd_arm_pe_process_before_allocation
  PARAMS ((bfd *, struct bfd_link_info *, int));

extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking
  PARAMS ((bfd *, struct bfd_link_info *));

/* ELF ARM Interworking support.  Called from linker.  */
extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
  PARAMS ((struct bfd_link_info *));

extern bfd_boolean bfd_elf32_arm_process_before_allocation
  PARAMS ((bfd *, struct bfd_link_info *, int));

extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
  PARAMS ((bfd *, struct bfd_link_info *));

extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
  PARAMS ((bfd *, struct bfd_link_info *));

/* ARM Note section processing.  */
extern bfd_boolean bfd_arm_merge_machines
  PARAMS ((bfd *, bfd *));

extern bfd_boolean bfd_arm_update_notes
  PARAMS ((bfd *, const char *));

extern unsigned int bfd_arm_get_mach_from_notes
  PARAMS ((bfd *, const char *));

/* TI COFF load page support.  */
extern void bfd_ticoff_set_section_load_page
  PARAMS ((struct sec *, int));

extern int bfd_ticoff_get_section_load_page
  PARAMS ((struct sec *));