bfd/bfd-in.h

   1 /* Main header file for the bfd library -- portable access to object files.
   2    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
   3    2000, 2001, 2002
   4    Free Software Foundation, Inc.
   5    Contributed by Cygnus Support.
   6
   7    This file is part of BFD, the Binary File Descriptor library.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  22
  23 #ifndef __BFD_H_SEEN__
  24 #define __BFD_H_SEEN__
  25
  26 #ifdef __cplusplus
  27 extern "C" {
  28 #endif
  29
  30 #include "ansidecl.h"
  31 #include "symcat.h"
  32 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
  33 #ifndef SABER
  34 /* This hack is to avoid a problem with some strict ANSI C preprocessors.
  35    The problem is, "32_" is not a valid preprocessing token, and we don't
  36    want extra underscores (e.g., "nlm_32_").  The XCONCAT2 macro will
  37    cause the inner CONCAT2 macros to be evaluated first, producing
  38    still-valid pp-tokens.  Then the final concatenation can be done.  */
  39 #undef CONCAT4
  40 #define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))
  41 #endif
  42 #endif
  43
  44 /* The word size used by BFD on the host.  This may be 64 with a 32
  45    bit target if the host is 64 bit, or if other 64 bit targets have
  46    been selected with --enable-targets, or if --enable-64-bit-bfd.  */
  47 #define BFD_ARCH_SIZE @wordsize@
  48
  49 /* The word size of the default bfd target.  */
  50 #define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
  51
  52 #define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
  53 #if @BFD_HOST_64_BIT_DEFINED@
  54 #define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
  55 #define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
  56 #endif
  57
  58 #if BFD_ARCH_SIZE >= 64
  59 #define BFD64
  60 #endif
  61
  62 #ifndef INLINE
  63 #if __GNUC__ >= 2
  64 #define INLINE __inline__
  65 #else
  66 #define INLINE
  67 #endif
  68 #endif
  69
  70 /* Forward declaration.  */
  71 typedef struct _bfd bfd;
  72
  73 /* Boolean type used in bfd.  Too many systems define their own
  74    versions of "boolean" for us to safely typedef a "boolean" of
  75    our own.  Using an enum for "bfd_boolean" has its own set of
  76    problems, with strange looking casts required to avoid warnings
  77    on some older compilers.  Thus we just use an int.
  78
  79    General rule: Functions which are bfd_boolean return TRUE on
  80    success and FALSE on failure (unless they're a predicate).  */
  81
  82 typedef int bfd_boolean;
  83 #undef FALSE
  84 #undef TRUE
  85 #define FALSE 0
  86 #define TRUE 1
  87
  88 #if 0
  89 /* Poison.  */
  90 #undef false
  91 #undef true
  92 #define false dont_use_false_in_bfd
  93 #define true dont_use_true_in_bfd
  94 #endif
  95
  96 /* Support for different sizes of target format ints and addresses.
  97    If the type `long' is at least 64 bits, BFD_HOST_64BIT_LONG will be
  98    set to 1 above.  Otherwise, if gcc is being used, this code will
  99    use gcc's "long long" type.  Otherwise, BFD_HOST_64_BIT must be
 100    defined above.  */
 101
 102 #ifndef BFD_HOST_64_BIT
 103 # if BFD_HOST_64BIT_LONG
 104 #  define BFD_HOST_64_BIT long
 105 #  define BFD_HOST_U_64_BIT unsigned long
 106 # else
 107 #  ifdef __GNUC__
 108 #   if __GNUC__ >= 2
 109 #    define BFD_HOST_64_BIT long long
 110 #    define BFD_HOST_U_64_BIT unsigned long long
 111 #   endif /* __GNUC__ >= 2 */
 112 #  endif /* ! defined (__GNUC__) */
 113 # endif /* ! BFD_HOST_64BIT_LONG */
 114 #endif /* ! defined (BFD_HOST_64_BIT) */
 115
 116 #ifdef BFD64
 117
 118 #ifndef BFD_HOST_64_BIT
 119  #error No 64 bit integer type available
 120 #endif /* ! defined (BFD_HOST_64_BIT) */
 121
 122 typedef BFD_HOST_U_64_BIT bfd_vma;
 123 typedef BFD_HOST_64_BIT bfd_signed_vma;
 124 typedef BFD_HOST_U_64_BIT bfd_size_type;
 125 typedef BFD_HOST_U_64_BIT symvalue;
 126
 127 #ifndef fprintf_vma
 128 #if BFD_HOST_64BIT_LONG
 129 #define sprintf_vma(s,x) sprintf (s, "%016lx", x)
 130 #define fprintf_vma(f,x) fprintf (f, "%016lx", x)
 131 #else
 132 #define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff)))
 133 #define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff))
 134 #define fprintf_vma(s,x) \
 135   fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
 136 #define sprintf_vma(s,x) \
 137   sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
 138 #endif
 139 #endif
 140
 141 #else /* not BFD64  */
 142
 143 /* Represent a target address.  Also used as a generic unsigned type
 144    which is guaranteed to be big enough to hold any arithmetic types
 145    we need to deal with.  */
 146 typedef unsigned long bfd_vma;
 147
 148 /* A generic signed type which is guaranteed to be big enough to hold any
 149    arithmetic types we need to deal with.  Can be assumed to be compatible
 150    with bfd_vma in the same way that signed and unsigned ints are compatible
 151    (as parameters, in assignment, etc).  */
 152 typedef long bfd_signed_vma;
 153
 154 typedef unsigned long symvalue;
 155 typedef unsigned long bfd_size_type;
 156
 157 /* Print a bfd_vma x on stream s.  */
 158 #define fprintf_vma(s,x) fprintf (s, "%08lx", x)
 159 #define sprintf_vma(s,x) sprintf (s, "%08lx", x)
 160
 161 #endif /* not BFD64  */
 162
 163 /* A pointer to a position in a file.  */
 164 /* FIXME:  This should be using off_t from <sys/types.h>.
 165    For now, try to avoid breaking stuff by not including <sys/types.h> here.
 166    This will break on systems with 64-bit file offsets (e.g. 4.4BSD).
 167    Probably the best long-term answer is to avoid using file_ptr AND off_t
 168    in this header file, and to handle this in the BFD implementation
 169    rather than in its interface.  */
 170 /* typedef off_t        file_ptr; */
 171 typedef bfd_signed_vma file_ptr;
 172 typedef bfd_vma ufile_ptr;
 173
 174 extern void bfd_sprintf_vma
 175   PARAMS ((bfd *, char *, bfd_vma));
 176 extern void bfd_fprintf_vma
 177   PARAMS ((bfd *, PTR, bfd_vma));
 178
 179 #define printf_vma(x) fprintf_vma(stdout,x)
 180 #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
 181
 182 typedef unsigned int flagword;  /* 32 bits of flags */
 183 typedef unsigned char bfd_byte;
 184 \f
 185 /* File formats.  */
 186
 187 typedef enum bfd_format
 188 {
 189   bfd_unknown = 0,      /* File format is unknown.  */
 190   bfd_object,           /* Linker/assember/compiler output.  */
 191   bfd_archive,          /* Object archive file.  */
 192   bfd_core,             /* Core dump.  */
 193   bfd_type_end          /* Marks the end; don't use it!  */
 194 }
 195 bfd_format;
 196
 197 /* Values that may appear in the flags field of a BFD.  These also
 198    appear in the object_flags field of the bfd_target structure, where
 199    they indicate the set of flags used by that backend (not all flags
 200    are meaningful for all object file formats) (FIXME: at the moment,
 201    the object_flags values have mostly just been copied from backend
 202    to another, and are not necessarily correct).  */
 203
 204 /* No flags.  */
 205 #define BFD_NO_FLAGS    0x00
 206
 207 /* BFD contains relocation entries.  */
 208 #define HAS_RELOC       0x01
 209
 210 /* BFD is directly executable.  */
 211 #define EXEC_P          0x02
 212
 213 /* BFD has line number information (basically used for F_LNNO in a
 214    COFF header).  */
 215 #define HAS_LINENO      0x04
 216
 217 /* BFD has debugging information.  */
 218 #define HAS_DEBUG       0x08
 219
 220 /* BFD has symbols.  */
 221 #define HAS_SYMS        0x10
 222
 223 /* BFD has local symbols (basically used for F_LSYMS in a COFF
 224    header).  */
 225 #define HAS_LOCALS      0x20
 226
 227 /* BFD is a dynamic object.  */
 228 #define DYNAMIC         0x40
 229
 230 /* Text section is write protected (if D_PAGED is not set, this is
 231    like an a.out NMAGIC file) (the linker sets this by default, but
 232    clears it for -r or -N).  */
 233 #define WP_TEXT         0x80
 234
 235 /* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
 236    linker sets this by default, but clears it for -r or -n or -N).  */
 237 #define D_PAGED         0x100
 238
 239 /* BFD is relaxable (this means that bfd_relax_section may be able to
 240    do something) (sometimes bfd_relax_section can do something even if
 241    this is not set).  */
 242 #define BFD_IS_RELAXABLE 0x200
 243
 244 /* This may be set before writing out a BFD to request using a
 245    traditional format.  For example, this is used to request that when
 246    writing out an a.out object the symbols not be hashed to eliminate
 247    duplicates.  */
 248 #define BFD_TRADITIONAL_FORMAT 0x400
 249
 250 /* This flag indicates that the BFD contents are actually cached in
 251    memory.  If this is set, iostream points to a bfd_in_memory struct.  */
 252 #define BFD_IN_MEMORY 0x800
 253
 254 /* The sections in this BFD specify a memory page.  */
 255 #define HAS_LOAD_PAGE 0x1000
 256 \f
 257 /* Symbols and relocation.  */
 258
 259 /* A count of carsyms (canonical archive symbols).  */
 260 typedef unsigned long symindex;
 261
 262 /* How to perform a relocation.  */
 263 typedef const struct reloc_howto_struct reloc_howto_type;
 264
 265 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
 266
 267 /* General purpose part of a symbol X;
 268    target specific parts are in libcoff.h, libaout.h, etc.  */
 269
 270 #define bfd_get_section(x) ((x)->section)
 271 #define bfd_get_output_section(x) ((x)->section->output_section)
 272 #define bfd_set_section(x,y) ((x)->section) = (y)
 273 #define bfd_asymbol_base(x) ((x)->section->vma)
 274 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
 275 #define bfd_asymbol_name(x) ((x)->name)
 276 /*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
 277 #define bfd_asymbol_bfd(x) ((x)->the_bfd)
 278 #define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)
 279
 280 /* A canonical archive symbol.  */
 281 /* This is a type pun with struct ranlib on purpose!  */
 282 typedef struct carsym
 283 {
 284   char *name;
 285   file_ptr file_offset; /* Look here to find the file.  */
 286 }
 287 carsym;                 /* To make these you call a carsymogen.  */
 288
 289 /* Used in generating armaps (archive tables of contents).
 290    Perhaps just a forward definition would do?  */
 291 struct orl                      /* Output ranlib.  */
 292 {
 293   char **name;          /* Symbol name.  */
 294   union
 295   {
 296     file_ptr pos;
 297     bfd *abfd;
 298   } u;                  /* bfd* or file position.  */
 299   int namidx;           /* Index into string table.  */
 300 };
 301 \f
 302 /* Linenumber stuff.  */
 303 typedef struct lineno_cache_entry
 304 {
 305   unsigned int line_number;     /* Linenumber from start of function.  */
 306   union
 307   {
 308     struct symbol_cache_entry *sym;     /* Function name.  */
 309     bfd_vma offset;                     /* Offset into section.  */
 310   } u;
 311 }
 312 alent;
 313 \f
 314 /* Object and core file sections.  */
 315
 316 #define align_power(addr, align)        \
 317   (((addr) + ((bfd_vma) 1 << (align)) - 1) & ((bfd_vma) -1 << (align)))
 318
 319 typedef struct sec *sec_ptr;
 320
 321 #define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
 322 #define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
 323 #define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0)
 324 #define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
 325 #define bfd_section_name(bfd, ptr) ((ptr)->name)
 326 #define bfd_section_size(bfd, ptr) (bfd_get_section_size_before_reloc(ptr))
 327 #define bfd_section_vma(bfd, ptr) ((ptr)->vma)
 328 #define bfd_section_lma(bfd, ptr) ((ptr)->lma)
 329 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
 330 #define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
 331 #define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
 332
 333 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
 334
 335 #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE)
 336 #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE)
 337 #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE)
 338
 339 typedef struct stat stat_type;
 340 \f
 341 typedef enum bfd_print_symbol
 342 {
 343   bfd_print_symbol_name,
 344   bfd_print_symbol_more,
 345   bfd_print_symbol_all
 346 } bfd_print_symbol_type;
 347
 348 /* Information about a symbol that nm needs.  */
 349
 350 typedef struct _symbol_info
 351 {
 352   symvalue value;
 353   char type;
 354   const char *name;            /* Symbol name.  */
 355   unsigned char stab_type;     /* Stab type.  */
 356   char stab_other;             /* Stab other.  */
 357   short stab_desc;             /* Stab desc.  */
 358   const char *stab_name;       /* String for stab type.  */
 359 } symbol_info;
 360
 361 /* Get the name of a stabs type code.  */
 362
 363 extern const char *bfd_get_stab_name
 364   PARAMS ((int));
 365 \f
 366 /* Hash table routines.  There is no way to free up a hash table.  */
 367
 368 /* An element in the hash table.  Most uses will actually use a larger
 369    structure, and an instance of this will be the first field.  */
 370
 371 struct bfd_hash_entry
 372 {
 373   /* Next entry for this hash code.  */
 374   struct bfd_hash_entry *next;
 375   /* String being hashed.  */
 376   const char *string;
 377   /* Hash code.  This is the full hash code, not the index into the
 378      table.  */
 379   unsigned long hash;
 380 };
 381
 382 /* A hash table.  */
 383
 384 struct bfd_hash_table
 385 {
 386   /* The hash array.  */
 387   struct bfd_hash_entry **table;
 388   /* The number of slots in the hash table.  */
 389   unsigned int size;
 390   /* A function used to create new elements in the hash table.  The
 391      first entry is itself a pointer to an element.  When this
 392      function is first invoked, this pointer will be NULL.  However,
 393      having the pointer permits a hierarchy of method functions to be
 394      built each of which calls the function in the superclass.  Thus
 395      each function should be written to allocate a new block of memory
 396      only if the argument is NULL.  */
 397   struct bfd_hash_entry *(*newfunc)
 398     PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
 399    /* An objalloc for this hash table.  This is a struct objalloc *,
 400      but we use PTR to avoid requiring the inclusion of objalloc.h.  */
 401   PTR memory;
 402 };
 403
 404 /* Initialize a hash table.  */
 405 extern bfd_boolean bfd_hash_table_init
 406   PARAMS ((struct bfd_hash_table *,
 407            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 408                                        struct bfd_hash_table *,
 409                                        const char *)));
 410
 411 /* Initialize a hash table specifying a size.  */
 412 extern bfd_boolean bfd_hash_table_init_n
 413   PARAMS ((struct bfd_hash_table *,
 414            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 415                                        struct bfd_hash_table *,
 416                                        const char *),
 417            unsigned int size));
 418
 419 /* Free up a hash table.  */
 420 extern void bfd_hash_table_free
 421   PARAMS ((struct bfd_hash_table *));
 422
 423 /* Look up a string in a hash table.  If CREATE is TRUE, a new entry
 424    will be created for this string if one does not already exist.  The
 425    COPY argument must be TRUE if this routine should copy the string
 426    into newly allocated memory when adding an entry.  */
 427 extern struct bfd_hash_entry *bfd_hash_lookup
 428   PARAMS ((struct bfd_hash_table *, const char *, bfd_boolean create,
 429            bfd_boolean copy));
 430
 431 /* Replace an entry in a hash table.  */
 432 extern void bfd_hash_replace
 433   PARAMS ((struct bfd_hash_table *, struct bfd_hash_entry *old,
 434            struct bfd_hash_entry *nw));
 435
 436 /* Base method for creating a hash table entry.  */
 437 extern struct bfd_hash_entry *bfd_hash_newfunc
 438   PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
 439            const char *));
 440
 441 /* Grab some space for a hash table entry.  */
 442 extern PTR bfd_hash_allocate
 443   PARAMS ((struct bfd_hash_table *, unsigned int));
 444
 445 /* Traverse a hash table in a random order, calling a function on each
 446    element.  If the function returns FALSE, the traversal stops.  The
 447    INFO argument is passed to the function.  */
 448 extern void bfd_hash_traverse
 449   PARAMS ((struct bfd_hash_table *,
 450            bfd_boolean (*) (struct bfd_hash_entry *, PTR),
 451            PTR info));
 452
 453 #define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table
 454
 455 /* User program access to BFD facilities.  */
 456
 457 /* Direct I/O routines, for programs which know more about the object
 458    file than BFD does.  Use higher level routines if possible.  */
 459
 460 extern bfd_size_type bfd_bread
 461   PARAMS ((PTR, bfd_size_type, bfd *));
 462 extern bfd_size_type bfd_bwrite
 463   PARAMS ((const PTR, bfd_size_type, bfd *));
 464 extern int bfd_seek
 465   PARAMS ((bfd *, file_ptr, int));
 466 extern ufile_ptr bfd_tell
 467   PARAMS ((bfd *));
 468 extern int bfd_flush
 469   PARAMS ((bfd *));
 470 extern int bfd_stat
 471   PARAMS ((bfd *, struct stat *));
 472
 473 /* Deprecated old routines.  */
 474 #if __GNUC__
 475 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 476   (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__),      \
 477    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 478 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 479   (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__),     \
 480    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 481 #else
 482 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 483   (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
 484    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 485 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 486   (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
 487    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 488 #endif
 489 extern void warn_deprecated
 490   PARAMS ((const char *, const char *, int, const char *));
 491
 492 /* Cast from const char * to char * so that caller can assign to
 493    a char * without a warning.  */
 494 #define bfd_get_filename(abfd) ((char *) (abfd)->filename)
 495 #define bfd_get_cacheable(abfd) ((abfd)->cacheable)
 496 #define bfd_get_format(abfd) ((abfd)->format)
 497 #define bfd_get_target(abfd) ((abfd)->xvec->name)
 498 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
 499 #define bfd_family_coff(abfd) \
 500   (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
 501    bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
 502 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
 503 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
 504 #define bfd_header_big_endian(abfd) \
 505   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
 506 #define bfd_header_little_endian(abfd) \
 507   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
 508 #define bfd_get_file_flags(abfd) ((abfd)->flags)
 509 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
 510 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
 511 #define bfd_my_archive(abfd) ((abfd)->my_archive)
 512 #define bfd_has_map(abfd) ((abfd)->has_armap)
 513
 514 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
 515 #define bfd_usrdata(abfd) ((abfd)->usrdata)
 516
 517 #define bfd_get_start_address(abfd) ((abfd)->start_address)
 518 #define bfd_get_symcount(abfd) ((abfd)->symcount)
 519 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
 520 #define bfd_count_sections(abfd) ((abfd)->section_count)
 521
 522 #define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount)
 523
 524 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
 525
 526 #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE)
 527
 528 extern bfd_boolean bfd_cache_close
 529   PARAMS ((bfd *abfd));
 530 /* NB: This declaration should match the autogenerated one in libbfd.h.  */
 531
 532 extern bfd_boolean bfd_record_phdr
 533   PARAMS ((bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma,
 534            bfd_boolean, bfd_boolean, unsigned int, struct sec **));
 535
 536 /* Byte swapping routines.  */
 537
 538 bfd_vma bfd_getb64
 539   PARAMS ((const unsigned char *));
 540 bfd_vma bfd_getl64
 541   PARAMS ((const unsigned char *));
 542 bfd_signed_vma bfd_getb_signed_64
 543   PARAMS ((const unsigned char *));
 544 bfd_signed_vma bfd_getl_signed_64
 545   PARAMS ((const unsigned char *));
 546 bfd_vma bfd_getb32
 547   PARAMS ((const unsigned char *));
 548 bfd_vma bfd_getl32
 549   PARAMS ((const unsigned char *));
 550 bfd_signed_vma bfd_getb_signed_32
 551   PARAMS ((const unsigned char *));
 552 bfd_signed_vma bfd_getl_signed_32
 553   PARAMS ((const unsigned char *));
 554 bfd_vma bfd_getb16
 555   PARAMS ((const unsigned char *));
 556 bfd_vma bfd_getl16
 557   PARAMS ((const unsigned char *));
 558 bfd_signed_vma bfd_getb_signed_16
 559   PARAMS ((const unsigned char *));
 560 bfd_signed_vma bfd_getl_signed_16
 561   PARAMS ((const unsigned char *));
 562 void bfd_putb64
 563   PARAMS ((bfd_vma, unsigned char *));
 564 void bfd_putl64
 565   PARAMS ((bfd_vma, unsigned char *));
 566 void bfd_putb32
 567   PARAMS ((bfd_vma, unsigned char *));
 568 void bfd_putl32
 569   PARAMS ((bfd_vma, unsigned char *));
 570 void bfd_putb16
 571   PARAMS ((bfd_vma, unsigned char *));
 572 void bfd_putl16
 573   PARAMS ((bfd_vma, unsigned char *));
 574
 575 /* Byte swapping routines which take size and endiannes as arguments.  */
 576
 577 bfd_vma bfd_get_bits
 578   PARAMS ((bfd_byte *, int, bfd_boolean));
 579 void bfd_put_bits
 580   PARAMS ((bfd_vma, bfd_byte *, int, bfd_boolean));
 581 \f
 582 /* Externally visible ECOFF routines.  */
 583
 584 #if defined(__STDC__) || defined(ALMOST_STDC)
 585 struct ecoff_debug_info;
 586 struct ecoff_debug_swap;
 587 struct ecoff_extr;
 588 struct symbol_cache_entry;
 589 struct bfd_link_info;
 590 struct bfd_link_hash_entry;
 591 struct bfd_elf_version_tree;
 592 #endif
 593 extern bfd_vma bfd_ecoff_get_gp_value
 594   PARAMS ((bfd * abfd));
 595 extern bfd_boolean bfd_ecoff_set_gp_value
 596   PARAMS ((bfd *abfd, bfd_vma gp_value));
 597 extern bfd_boolean bfd_ecoff_set_regmasks
 598   PARAMS ((bfd *abfd, unsigned long gprmask, unsigned long fprmask,
 599            unsigned long *cprmask));
 600 extern PTR bfd_ecoff_debug_init
 601   PARAMS ((bfd *output_bfd, struct ecoff_debug_info *output_debug,
 602            const struct ecoff_debug_swap *output_swap,
 603            struct bfd_link_info *));
 604 extern void bfd_ecoff_debug_free
 605   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 606            const struct ecoff_debug_swap *output_swap,
 607            struct bfd_link_info *));
 608 extern bfd_boolean bfd_ecoff_debug_accumulate
 609   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 610            const struct ecoff_debug_swap *output_swap,
 611            bfd *input_bfd, struct ecoff_debug_info *input_debug,
 612            const struct ecoff_debug_swap *input_swap,
 613            struct bfd_link_info *));
 614 extern bfd_boolean bfd_ecoff_debug_accumulate_other
 615   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 616            const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
 617            struct bfd_link_info *));
 618 extern bfd_boolean bfd_ecoff_debug_externals
 619   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 620            const struct ecoff_debug_swap *swap,
 621            bfd_boolean relocateable,
 622            bfd_boolean (*get_extr) (struct symbol_cache_entry *,
 623                                     struct ecoff_extr *),
 624            void (*set_index) (struct symbol_cache_entry *,
 625                               bfd_size_type)));
 626 extern bfd_boolean bfd_ecoff_debug_one_external
 627   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 628            const struct ecoff_debug_swap *swap,
 629            const char *name, struct ecoff_extr *esym));
 630 extern bfd_size_type bfd_ecoff_debug_size
 631   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 632            const struct ecoff_debug_swap *swap));
 633 extern bfd_boolean bfd_ecoff_write_debug
 634   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 635            const struct ecoff_debug_swap *swap, file_ptr where));
 636 extern bfd_boolean bfd_ecoff_write_accumulated_debug
 637   PARAMS ((PTR handle, bfd *abfd, struct ecoff_debug_info *debug,
 638            const struct ecoff_debug_swap *swap,
 639            struct bfd_link_info *info, file_ptr where));
 640 extern bfd_boolean bfd_mips_ecoff_create_embedded_relocs
 641   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 642            char **));
 643
 644 /* Externally visible ELF routines.  */
 645
 646 struct bfd_link_needed_list
 647 {
 648   struct bfd_link_needed_list *next;
 649   bfd *by;
 650   const char *name;
 651 };
 652
 653 extern bfd_boolean bfd_elf32_record_link_assignment
 654   PARAMS ((bfd *, struct bfd_link_info *, const char *, bfd_boolean));
 655 extern bfd_boolean bfd_elf64_record_link_assignment
 656   PARAMS ((bfd *, struct bfd_link_info *, const char *, bfd_boolean));
 657 extern struct bfd_link_needed_list *bfd_elf_get_needed_list
 658   PARAMS ((bfd *, struct bfd_link_info *));
 659 extern bfd_boolean bfd_elf_get_bfd_needed_list
 660   PARAMS ((bfd *, struct bfd_link_needed_list **));
 661 extern bfd_boolean bfd_elf32_size_dynamic_sections
 662   PARAMS ((bfd *, const char *, const char *, const char *,
 663            const char * const *, struct bfd_link_info *, struct sec **,
 664            struct bfd_elf_version_tree *));
 665 extern bfd_boolean bfd_elf64_size_dynamic_sections
 666   PARAMS ((bfd *, const char *, const char *, const char *,
 667            const char * const *, struct bfd_link_info *, struct sec **,
 668            struct bfd_elf_version_tree *));
 669 extern void bfd_elf_set_dt_needed_name
 670   PARAMS ((bfd *, const char *));
 671 extern void bfd_elf_set_dt_needed_soname
 672   PARAMS ((bfd *, const char *));
 673 extern const char *bfd_elf_get_dt_soname
 674   PARAMS ((bfd *));
 675 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
 676   PARAMS ((bfd *, struct bfd_link_info *));
 677 extern bfd_boolean bfd_elf32_discard_info
 678   PARAMS ((bfd *, struct bfd_link_info *));
 679 extern bfd_boolean bfd_elf64_discard_info
 680   PARAMS ((bfd *, struct bfd_link_info *));
 681
 682 /* Return an upper bound on the number of bytes required to store a
 683    copy of ABFD's program header table entries.  Return -1 if an error
 684    occurs; bfd_get_error will return an appropriate code.  */
 685 extern long bfd_get_elf_phdr_upper_bound
 686   PARAMS ((bfd *abfd));
 687
 688 /* Copy ABFD's program header table entries to *PHDRS.  The entries
 689    will be stored as an array of Elf_Internal_Phdr structures, as
 690    defined in include/elf/internal.h.  To find out how large the
 691    buffer needs to be, call bfd_get_elf_phdr_upper_bound.
 692
 693    Return the number of program header table entries read, or -1 if an
 694    error occurs; bfd_get_error will return an appropriate code.  */
 695 extern int bfd_get_elf_phdrs
 696   PARAMS ((bfd *abfd, void *phdrs));
 697
 698 /* Return the arch_size field of an elf bfd, or -1 if not elf.  */
 699 extern int bfd_get_arch_size
 700   PARAMS ((bfd *));
 701
 702 /* Return TRUE if address "naturally" sign extends, or -1 if not elf.  */
 703 extern int bfd_get_sign_extend_vma
 704   PARAMS ((bfd *));
 705
 706 extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
 707   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 708            char **));
 709 extern bfd_boolean bfd_mips_elf32_create_embedded_relocs
 710   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 711            char **));
 712
 713 /* SunOS shared library support routines for the linker.  */
 714
 715 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
 716   PARAMS ((bfd *, struct bfd_link_info *));
 717 extern bfd_boolean bfd_sunos_record_link_assignment
 718   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 719 extern bfd_boolean bfd_sunos_size_dynamic_sections
 720   PARAMS ((bfd *, struct bfd_link_info *, struct sec **, struct sec **,
 721            struct sec **));
 722
 723 /* Linux shared library support routines for the linker.  */
 724
 725 extern bfd_boolean bfd_i386linux_size_dynamic_sections
 726   PARAMS ((bfd *, struct bfd_link_info *));
 727 extern bfd_boolean bfd_m68klinux_size_dynamic_sections
 728   PARAMS ((bfd *, struct bfd_link_info *));
 729 extern bfd_boolean bfd_sparclinux_size_dynamic_sections
 730   PARAMS ((bfd *, struct bfd_link_info *));
 731
 732 /* mmap hacks */
 733
 734 struct _bfd_window_internal;
 735 typedef struct _bfd_window_internal bfd_window_internal;
 736
 737 typedef struct _bfd_window
 738 {
 739   /* What the user asked for.  */
 740   PTR data;
 741   bfd_size_type size;
 742   /* The actual window used by BFD.  Small user-requested read-only
 743      regions sharing a page may share a single window into the object
 744      file.  Read-write versions shouldn't until I've fixed things to
 745      keep track of which portions have been claimed by the
 746      application; don't want to give the same region back when the
 747      application wants two writable copies!  */
 748   struct _bfd_window_internal *i;
 749 }
 750 bfd_window;
 751
 752 extern void bfd_init_window
 753   PARAMS ((bfd_window *));
 754 extern void bfd_free_window
 755   PARAMS ((bfd_window *));
 756 extern bfd_boolean bfd_get_file_window
 757   PARAMS ((bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean));
 758
 759 /* XCOFF support routines for the linker.  */
 760
 761 extern bfd_boolean bfd_xcoff_link_record_set
 762   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
 763            bfd_size_type));
 764 extern bfd_boolean bfd_xcoff_import_symbol
 765   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
 766            bfd_vma, const char *, const char *, const char *, unsigned int));
 767 extern bfd_boolean bfd_xcoff_export_symbol
 768   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *));
 769 extern bfd_boolean bfd_xcoff_link_count_reloc
 770   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 771 extern bfd_boolean bfd_xcoff_record_link_assignment
 772   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 773 extern bfd_boolean bfd_xcoff_size_dynamic_sections
 774   PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *,
 775            unsigned long, unsigned long, unsigned long, bfd_boolean,
 776            int, bfd_boolean, bfd_boolean, struct sec **, bfd_boolean));
 777 extern bfd_boolean bfd_xcoff_link_generate_rtinit
 778   PARAMS ((bfd *, const char *, const char *, bfd_boolean));
 779
 780 /* XCOFF support routines for ar.  */
 781 extern bfd_boolean bfd_xcoff_ar_archive_set_magic
 782   PARAMS ((bfd *, char *));
 783
 784 /* Externally visible COFF routines.  */
 785
 786 #if defined(__STDC__) || defined(ALMOST_STDC)
 787 struct internal_syment;
 788 union internal_auxent;
 789 #endif
 790
 791 extern bfd_boolean bfd_coff_get_syment
 792   PARAMS ((bfd *, struct symbol_cache_entry *, struct internal_syment *));
 793
 794 extern bfd_boolean bfd_coff_get_auxent
 795   PARAMS ((bfd *, struct symbol_cache_entry *, int, union internal_auxent *));
 796
 797 extern bfd_boolean bfd_coff_set_symbol_class
 798   PARAMS ((bfd *, struct symbol_cache_entry *, unsigned int));
 799
 800 extern bfd_boolean bfd_m68k_coff_create_embedded_relocs
 801   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 802            char **));
 803
 804 /* ARM Interworking support.  Called from linker.  */
 805 extern bfd_boolean bfd_arm_allocate_interworking_sections
 806   PARAMS ((struct bfd_link_info *));
 807
 808 extern bfd_boolean bfd_arm_process_before_allocation
 809   PARAMS ((bfd *, struct bfd_link_info *, int));
 810
 811 extern bfd_boolean bfd_arm_get_bfd_for_interworking
 812   PARAMS ((bfd *, struct bfd_link_info *));
 813
 814 /* PE ARM Interworking support.  Called from linker.  */
 815 extern bfd_boolean bfd_arm_pe_allocate_interworking_sections
 816   PARAMS ((struct bfd_link_info *));
 817
 818 extern bfd_boolean bfd_arm_pe_process_before_allocation
 819   PARAMS ((bfd *, struct bfd_link_info *, int));
 820
 821 extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking
 822   PARAMS ((bfd *, struct bfd_link_info *));
 823
 824 /* ELF ARM Interworking support.  Called from linker.  */
 825 extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
 826   PARAMS ((struct bfd_link_info *));
 827
 828 extern bfd_boolean bfd_elf32_arm_process_before_allocation
 829   PARAMS ((bfd *, struct bfd_link_info *, int));
 830
 831 extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
 832   PARAMS ((bfd *, struct bfd_link_info *));
 833
 834 extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
 835   PARAMS ((bfd *, struct bfd_link_info *));
 836
 837 /* TI COFF load page support.  */
 838 extern void bfd_ticoff_set_section_load_page
 839   PARAMS ((struct sec *, int));
 840
 841 extern int bfd_ticoff_get_section_load_page
 842   PARAMS ((struct sec *));
 843