bfd/bfd-in2.h

   1 /* Main header file for the bfd library -- portable access to object files.
   2    Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
   3    Free Software Foundation, Inc.
   4    Contributed by Cygnus Support.
   5
   6 ** NOTE: bfd.h and bfd-in2.h are GENERATED files.  Don't change them;
   7 ** instead, change bfd-in.h or the other BFD source files processed to
   8 ** generate these files.
   9
  10 This file is part of BFD, the Binary File Descriptor library.
  11
  12 This program is free software; you can redistribute it and/or modify
  13 it under the terms of the GNU General Public License as published by
  14 the Free Software Foundation; either version 2 of the License, or
  15 (at your option) any later version.
  16
  17 This program is distributed in the hope that it will be useful,
  18 but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 GNU General Public License for more details.
  21
  22 You should have received a copy of the GNU General Public License
  23 along with this program; if not, write to the Free Software
  24 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  25
  26 /* bfd.h -- The only header file required by users of the bfd library
  27
  28 The bfd.h file is generated from bfd-in.h and various .c files; if you
  29 change it, your changes will probably be lost.
  30
  31 All the prototypes and definitions following the comment "THE FOLLOWING
  32 IS EXTRACTED FROM THE SOURCE" are extracted from the source files for
  33 BFD.  If you change it, someone oneday will extract it from the source
  34 again, and your changes will be lost.  To save yourself from this bind,
  35 change the definitions in the source in the bfd directory.  Type "make
  36 docs" and then "make headers" in that directory, and magically this file
  37 will change to reflect your changes.
  38
  39 If you don't have the tools to perform the extraction, then you are
  40 safe from someone on your system trampling over your header files.
  41 You should still maintain the equivalence between the source and this
  42 file though; every change you make to the .c file should be reflected
  43 here.  */
  44
  45 #ifndef __BFD_H_SEEN__
  46 #define __BFD_H_SEEN__
  47
  48 #ifdef __cplusplus
  49 extern "C" {
  50 #endif
  51
  52 #include "ansidecl.h"
  53
  54 /* These two lines get substitutions done by commands in Makefile.in.  */
  55 #define BFD_VERSION  "@VERSION@"
  56 #define BFD_ARCH_SIZE @wordsize@
  57 #define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
  58 #if @BFD_HOST_64_BIT_DEFINED@
  59 #define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
  60 #define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
  61 #endif
  62
  63 #if BFD_ARCH_SIZE >= 64
  64 #define BFD64
  65 #endif
  66
  67 #ifndef INLINE
  68 #if __GNUC__ >= 2
  69 #define INLINE __inline__
  70 #else
  71 #define INLINE
  72 #endif
  73 #endif
  74
  75 /* forward declaration */
  76 typedef struct _bfd bfd;
  77
  78 /* To squelch erroneous compiler warnings ("illegal pointer
  79    combination") from the SVR3 compiler, we would like to typedef
  80    boolean to int (it doesn't like functions which return boolean.
  81    Making sure they are never implicitly declared to return int
  82    doesn't seem to help).  But this file is not configured based on
  83    the host.  */
  84 /* General rules: functions which are boolean return true on success
  85    and false on failure (unless they're a predicate).   -- bfd.doc */
  86 /* I'm sure this is going to break something and someone is going to
  87    force me to change it. */
  88 /* typedef enum boolean {false, true} boolean; */
  89 /* Yup, SVR4 has a "typedef enum boolean" in <sys/types.h>  -fnf */
  90 /* It gets worse if the host also defines a true/false enum... -sts */
  91 /* And even worse if your compiler has built-in boolean types... -law */
  92 #if defined (__GNUG__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 6))
  93 #define TRUE_FALSE_ALREADY_DEFINED
  94 #endif
  95 #ifdef MPW
  96 /* Pre-emptive strike - get the file with the enum. */
  97 #include <Types.h>
  98 #define TRUE_FALSE_ALREADY_DEFINED
  99 #endif /* MPW */
 100 #ifndef TRUE_FALSE_ALREADY_DEFINED
 101 typedef enum bfd_boolean {false, true} boolean;
 102 #define BFD_TRUE_FALSE
 103 #else
 104 /* Use enum names that will appear nowhere else.  */
 105 typedef enum bfd_boolean {bfd_fffalse, bfd_tttrue} boolean;
 106 #endif
 107
 108 /* A pointer to a position in a file.  */
 109 /* FIXME:  This should be using off_t from <sys/types.h>.
 110    For now, try to avoid breaking stuff by not including <sys/types.h> here.
 111    This will break on systems with 64-bit file offsets (e.g. 4.4BSD).
 112    Probably the best long-term answer is to avoid using file_ptr AND off_t
 113    in this header file, and to handle this in the BFD implementation
 114    rather than in its interface.  */
 115 /* typedef off_t        file_ptr; */
 116 typedef long int file_ptr;
 117
 118 /* Support for different sizes of target format ints and addresses.
 119    If the type `long' is at least 64 bits, BFD_HOST_64BIT_LONG will be
 120    set to 1 above.  Otherwise, if gcc is being used, this code will
 121    use gcc's "long long" type.  Otherwise, BFD_HOST_64_BIT must be
 122    defined above.  */
 123
 124 #ifndef BFD_HOST_64_BIT
 125 # if BFD_HOST_64BIT_LONG
 126 #  define BFD_HOST_64_BIT long
 127 #  define BFD_HOST_U_64_BIT unsigned long
 128 # else
 129 #  ifdef __GNUC__
 130 #   if __GNUC__ >= 2
 131 #    define BFD_HOST_64_BIT long long
 132 #    define BFD_HOST_U_64_BIT unsigned long long
 133 #   endif /* __GNUC__ >= 2 */
 134 #  endif /* ! defined (__GNUC__) */
 135 # endif /* ! BFD_HOST_64BIT_LONG */
 136 #endif /* ! defined (BFD_HOST_64_BIT) */
 137
 138 #ifdef BFD64
 139
 140 #ifndef BFD_HOST_64_BIT
 141  #error No 64 bit integer type available
 142 #endif /* ! defined (BFD_HOST_64_BIT) */
 143
 144 typedef BFD_HOST_U_64_BIT bfd_vma;
 145 typedef BFD_HOST_64_BIT bfd_signed_vma;
 146 typedef BFD_HOST_U_64_BIT bfd_size_type;
 147 typedef BFD_HOST_U_64_BIT symvalue;
 148
 149 #ifndef fprintf_vma
 150 #if BFD_HOST_64BIT_LONG
 151 #define sprintf_vma(s,x) sprintf (s, "%016lx", x)
 152 #define fprintf_vma(f,x) fprintf (f, "%016lx", x)
 153 #else
 154 #define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff)))
 155 #define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff))
 156 #define fprintf_vma(s,x) \
 157   fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
 158 #define sprintf_vma(s,x) \
 159   sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
 160 #endif
 161 #endif
 162
 163 #else /* not BFD64  */
 164
 165 /* Represent a target address.  Also used as a generic unsigned type
 166    which is guaranteed to be big enough to hold any arithmetic types
 167    we need to deal with.  */
 168 typedef unsigned long bfd_vma;
 169
 170 /* A generic signed type which is guaranteed to be big enough to hold any
 171    arithmetic types we need to deal with.  Can be assumed to be compatible
 172    with bfd_vma in the same way that signed and unsigned ints are compatible
 173    (as parameters, in assignment, etc).  */
 174 typedef long bfd_signed_vma;
 175
 176 typedef unsigned long symvalue;
 177 typedef unsigned long bfd_size_type;
 178
 179 /* Print a bfd_vma x on stream s.  */
 180 #define fprintf_vma(s,x) fprintf(s, "%08lx", x)
 181 #define sprintf_vma(s,x) sprintf(s, "%08lx", x)
 182
 183 #endif /* not BFD64  */
 184
 185 #define printf_vma(x) fprintf_vma(stdout,x)
 186
 187 typedef unsigned int flagword;  /* 32 bits of flags */
 188 typedef unsigned char bfd_byte;
 189 \f
 190 /** File formats */
 191
 192 typedef enum bfd_format {
 193               bfd_unknown = 0,  /* file format is unknown */
 194               bfd_object,       /* linker/assember/compiler output */
 195               bfd_archive,      /* object archive file */
 196               bfd_core,         /* core dump */
 197               bfd_type_end}     /* marks the end; don't use it! */
 198          bfd_format;
 199
 200 /* Values that may appear in the flags field of a BFD.  These also
 201    appear in the object_flags field of the bfd_target structure, where
 202    they indicate the set of flags used by that backend (not all flags
 203    are meaningful for all object file formats) (FIXME: at the moment,
 204    the object_flags values have mostly just been copied from backend
 205    to another, and are not necessarily correct).  */
 206
 207 /* No flags.  */
 208 #define BFD_NO_FLAGS    0x00
 209
 210 /* BFD contains relocation entries.  */
 211 #define HAS_RELOC       0x01
 212
 213 /* BFD is directly executable.  */
 214 #define EXEC_P          0x02
 215
 216 /* BFD has line number information (basically used for F_LNNO in a
 217    COFF header).  */
 218 #define HAS_LINENO      0x04
 219
 220 /* BFD has debugging information.  */
 221 #define HAS_DEBUG       0x08
 222
 223 /* BFD has symbols.  */
 224 #define HAS_SYMS        0x10
 225
 226 /* BFD has local symbols (basically used for F_LSYMS in a COFF
 227    header).  */
 228 #define HAS_LOCALS      0x20
 229
 230 /* BFD is a dynamic object.  */
 231 #define DYNAMIC         0x40
 232
 233 /* Text section is write protected (if D_PAGED is not set, this is
 234    like an a.out NMAGIC file) (the linker sets this by default, but
 235    clears it for -r or -N).  */
 236 #define WP_TEXT         0x80
 237
 238 /* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
 239    linker sets this by default, but clears it for -r or -n or -N).  */
 240 #define D_PAGED         0x100
 241
 242 /* BFD is relaxable (this means that bfd_relax_section may be able to
 243    do something) (sometimes bfd_relax_section can do something even if
 244    this is not set).  */
 245 #define BFD_IS_RELAXABLE 0x200
 246
 247 /* This may be set before writing out a BFD to request using a
 248    traditional format.  For example, this is used to request that when
 249    writing out an a.out object the symbols not be hashed to eliminate
 250    duplicates.  */
 251 #define BFD_TRADITIONAL_FORMAT 0x400
 252
 253 /* This flag indicates that the BFD contents are actually cached in
 254    memory.  If this is set, iostream points to a bfd_in_memory struct.  */
 255 #define BFD_IN_MEMORY 0x800
 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   char *name;
 284   file_ptr file_offset;         /* look here to find the file */
 285 } carsym;                       /* to make these you call a carsymogen */
 286
 287
 288 /* Used in generating armaps (archive tables of contents).
 289    Perhaps just a forward definition would do? */
 290 struct orl {                    /* output ranlib */
 291   char **name;                  /* symbol name */
 292   file_ptr pos;                 /* bfd* or file position */
 293   int namidx;                   /* index into string table */
 294 };
 295 \f
 296
 297 /* Linenumber stuff */
 298 typedef struct lineno_cache_entry {
 299   unsigned int line_number;     /* Linenumber from start of function*/
 300   union {
 301     struct symbol_cache_entry *sym; /* Function name */
 302     unsigned long offset;       /* Offset into section */
 303   } u;
 304 } alent;
 305 \f
 306 /* object and core file sections */
 307
 308 #define align_power(addr, align)        \
 309         ( ((addr) + ((1<<(align))-1)) & (-1 << (align)))
 310
 311 typedef struct sec *sec_ptr;
 312
 313 #define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
 314 #define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
 315 #define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
 316 #define bfd_section_name(bfd, ptr) ((ptr)->name)
 317 #define bfd_section_size(bfd, ptr) (bfd_get_section_size_before_reloc(ptr))
 318 #define bfd_section_vma(bfd, ptr) ((ptr)->vma)
 319 #define bfd_section_lma(bfd, ptr) ((ptr)->lma)
 320 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
 321 #define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
 322 #define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
 323
 324 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
 325
 326 #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma= (val)), ((ptr)->user_set_vma = (boolean)true), true)
 327 #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),true)
 328 #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),true)
 329
 330 typedef struct stat stat_type;
 331 \f
 332 typedef enum bfd_print_symbol
 333 {
 334   bfd_print_symbol_name,
 335   bfd_print_symbol_more,
 336   bfd_print_symbol_all
 337 } bfd_print_symbol_type;
 338
 339 /* Information about a symbol that nm needs.  */
 340
 341 typedef struct _symbol_info
 342 {
 343   symvalue value;
 344   char type;
 345   CONST char *name;            /* Symbol name.  */
 346   unsigned char stab_type;     /* Stab type.  */
 347   char stab_other;             /* Stab other. */
 348   short stab_desc;             /* Stab desc.  */
 349   CONST char *stab_name;       /* String for stab type.  */
 350 } symbol_info;
 351
 352 /* Get the name of a stabs type code.  */
 353
 354 extern const char *bfd_get_stab_name PARAMS ((int));
 355 \f
 356 /* Hash table routines.  There is no way to free up a hash table.  */
 357
 358 /* An element in the hash table.  Most uses will actually use a larger
 359    structure, and an instance of this will be the first field.  */
 360
 361 struct bfd_hash_entry
 362 {
 363   /* Next entry for this hash code.  */
 364   struct bfd_hash_entry *next;
 365   /* String being hashed.  */
 366   const char *string;
 367   /* Hash code.  This is the full hash code, not the index into the
 368      table.  */
 369   unsigned long hash;
 370 };
 371
 372 /* A hash table.  */
 373
 374 struct bfd_hash_table
 375 {
 376   /* The hash array.  */
 377   struct bfd_hash_entry **table;
 378   /* The number of slots in the hash table.  */
 379   unsigned int size;
 380   /* A function used to create new elements in the hash table.  The
 381      first entry is itself a pointer to an element.  When this
 382      function is first invoked, this pointer will be NULL.  However,
 383      having the pointer permits a hierarchy of method functions to be
 384      built each of which calls the function in the superclass.  Thus
 385      each function should be written to allocate a new block of memory
 386      only if the argument is NULL.  */
 387   struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *,
 388                                              struct bfd_hash_table *,
 389                                              const char *));
 390    /* An objalloc for this hash table.  This is a struct objalloc *,
 391      but we use PTR to avoid requiring the inclusion of objalloc.h.  */
 392   PTR memory;
 393 };
 394
 395 /* Initialize a hash table.  */
 396 extern boolean bfd_hash_table_init
 397   PARAMS ((struct bfd_hash_table *,
 398            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 399                                        struct bfd_hash_table *,
 400                                        const char *)));
 401
 402 /* Initialize a hash table specifying a size.  */
 403 extern boolean bfd_hash_table_init_n
 404   PARAMS ((struct bfd_hash_table *,
 405            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 406                                        struct bfd_hash_table *,
 407                                        const char *),
 408            unsigned int size));
 409
 410 /* Free up a hash table.  */
 411 extern void bfd_hash_table_free PARAMS ((struct bfd_hash_table *));
 412
 413 /* Look up a string in a hash table.  If CREATE is true, a new entry
 414    will be created for this string if one does not already exist.  The
 415    COPY argument must be true if this routine should copy the string
 416    into newly allocated memory when adding an entry.  */
 417 extern struct bfd_hash_entry *bfd_hash_lookup
 418   PARAMS ((struct bfd_hash_table *, const char *, boolean create,
 419            boolean copy));
 420
 421 /* Replace an entry in a hash table.  */
 422 extern void bfd_hash_replace
 423   PARAMS ((struct bfd_hash_table *, struct bfd_hash_entry *old,
 424            struct bfd_hash_entry *nw));
 425
 426 /* Base method for creating a hash table entry.  */
 427 extern struct bfd_hash_entry *bfd_hash_newfunc
 428   PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
 429            const char *));
 430
 431 /* Grab some space for a hash table entry.  */
 432 extern PTR bfd_hash_allocate PARAMS ((struct bfd_hash_table *,
 433                                       unsigned int));
 434
 435 /* Traverse a hash table in a random order, calling a function on each
 436    element.  If the function returns false, the traversal stops.  The
 437    INFO argument is passed to the function.  */
 438 extern void bfd_hash_traverse PARAMS ((struct bfd_hash_table *,
 439                                        boolean (*) (struct bfd_hash_entry *,
 440                                                     PTR),
 441                                        PTR info));
 442 \f
 443 /* Semi-portable string concatenation in cpp.
 444    The CAT4 hack is to avoid a problem with some strict ANSI C preprocessors.
 445    The problem is, "32_" is not a valid preprocessing token, and we don't
 446    want extra underscores (e.g., "nlm_32_").  The XCAT2 macro will cause the
 447    inner CAT macros to be evaluated first, producing still-valid pp-tokens.
 448    Then the final concatenation can be done.  (Sigh.)  */
 449 #ifndef CAT
 450 #ifdef SABER
 451 #define CAT(a,b)        a##b
 452 #define CAT3(a,b,c)     a##b##c
 453 #define CAT4(a,b,c,d)   a##b##c##d
 454 #else
 455 #if defined(__STDC__) || defined(ALMOST_STDC)
 456 #define CAT(a,b) a##b
 457 #define CAT3(a,b,c) a##b##c
 458 #define XCAT2(a,b)      CAT(a,b)
 459 #define CAT4(a,b,c,d)   XCAT2(CAT(a,b),CAT(c,d))
 460 #else
 461 #define CAT(a,b) a/**/b
 462 #define CAT3(a,b,c) a/**/b/**/c
 463 #define CAT4(a,b,c,d)   a/**/b/**/c/**/d
 464 #endif
 465 #endif
 466 #endif
 467
 468 #define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table
 469 \f
 470 /* User program access to BFD facilities */
 471
 472 /* Direct I/O routines, for programs which know more about the object
 473    file than BFD does.  Use higher level routines if possible.  */
 474
 475 extern bfd_size_type bfd_read
 476   PARAMS ((PTR, bfd_size_type size, bfd_size_type nitems, bfd *abfd));
 477 extern bfd_size_type bfd_write
 478   PARAMS ((const PTR, bfd_size_type size, bfd_size_type nitems, bfd *abfd));
 479 extern int bfd_seek PARAMS ((bfd *abfd, file_ptr fp, int direction));
 480 extern long bfd_tell PARAMS ((bfd *abfd));
 481 extern int bfd_flush PARAMS ((bfd *abfd));
 482 extern int bfd_stat PARAMS ((bfd *abfd, struct stat *));
 483
 484
 485 /* Cast from const char * to char * so that caller can assign to
 486    a char * without a warning.  */
 487 #define bfd_get_filename(abfd) ((char *) (abfd)->filename)
 488 #define bfd_get_cacheable(abfd) ((abfd)->cacheable)
 489 #define bfd_get_format(abfd) ((abfd)->format)
 490 #define bfd_get_target(abfd) ((abfd)->xvec->name)
 491 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
 492 #define bfd_family_coff(abfd) \
 493   (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
 494    bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
 495 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
 496 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
 497 #define bfd_header_big_endian(abfd) \
 498   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
 499 #define bfd_header_little_endian(abfd) \
 500   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
 501 #define bfd_get_file_flags(abfd) ((abfd)->flags)
 502 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
 503 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
 504 #define bfd_my_archive(abfd) ((abfd)->my_archive)
 505 #define bfd_has_map(abfd) ((abfd)->has_armap)
 506
 507 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
 508 #define bfd_usrdata(abfd) ((abfd)->usrdata)
 509
 510 #define bfd_get_start_address(abfd) ((abfd)->start_address)
 511 #define bfd_get_symcount(abfd) ((abfd)->symcount)
 512 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
 513 #define bfd_count_sections(abfd) ((abfd)->section_count)
 514
 515 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
 516
 517 #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (boolean)(bool)), true)
 518
 519 extern boolean bfd_record_phdr
 520   PARAMS ((bfd *, unsigned long, boolean, flagword, boolean, bfd_vma,
 521            boolean, boolean, unsigned int, struct sec **));
 522
 523 /* Byte swapping routines.  */
 524
 525 bfd_vma         bfd_getb64         PARAMS ((const unsigned char *));
 526 bfd_vma         bfd_getl64         PARAMS ((const unsigned char *));
 527 bfd_signed_vma  bfd_getb_signed_64 PARAMS ((const unsigned char *));
 528 bfd_signed_vma  bfd_getl_signed_64 PARAMS ((const unsigned char *));
 529 bfd_vma         bfd_getb32         PARAMS ((const unsigned char *));
 530 bfd_vma         bfd_getl32         PARAMS ((const unsigned char *));
 531 bfd_signed_vma  bfd_getb_signed_32 PARAMS ((const unsigned char *));
 532 bfd_signed_vma  bfd_getl_signed_32 PARAMS ((const unsigned char *));
 533 bfd_vma         bfd_getb16         PARAMS ((const unsigned char *));
 534 bfd_vma         bfd_getl16         PARAMS ((const unsigned char *));
 535 bfd_signed_vma  bfd_getb_signed_16 PARAMS ((const unsigned char *));
 536 bfd_signed_vma  bfd_getl_signed_16 PARAMS ((const unsigned char *));
 537 void            bfd_putb64         PARAMS ((bfd_vma, unsigned char *));
 538 void            bfd_putl64         PARAMS ((bfd_vma, unsigned char *));
 539 void            bfd_putb32         PARAMS ((bfd_vma, unsigned char *));
 540 void            bfd_putl32         PARAMS ((bfd_vma, unsigned char *));
 541 void            bfd_putb16         PARAMS ((bfd_vma, unsigned char *));
 542 void            bfd_putl16         PARAMS ((bfd_vma, unsigned char *));
 543 \f
 544 /* Externally visible ECOFF routines.  */
 545
 546 #if defined(__STDC__) || defined(ALMOST_STDC)
 547 struct ecoff_debug_info;
 548 struct ecoff_debug_swap;
 549 struct ecoff_extr;
 550 struct symbol_cache_entry;
 551 struct bfd_link_info;
 552 struct bfd_link_hash_entry;
 553 struct bfd_elf_version_tree;
 554 #endif
 555 extern bfd_vma bfd_ecoff_get_gp_value PARAMS ((bfd * abfd));
 556 extern boolean bfd_ecoff_set_gp_value PARAMS ((bfd *abfd, bfd_vma gp_value));
 557 extern boolean bfd_ecoff_set_regmasks
 558   PARAMS ((bfd *abfd, unsigned long gprmask, unsigned long fprmask,
 559            unsigned long *cprmask));
 560 extern PTR bfd_ecoff_debug_init
 561   PARAMS ((bfd *output_bfd, struct ecoff_debug_info *output_debug,
 562            const struct ecoff_debug_swap *output_swap,
 563            struct bfd_link_info *));
 564 extern void bfd_ecoff_debug_free
 565   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 566            const struct ecoff_debug_swap *output_swap,
 567            struct bfd_link_info *));
 568 extern boolean bfd_ecoff_debug_accumulate
 569   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 570            const struct ecoff_debug_swap *output_swap,
 571            bfd *input_bfd, struct ecoff_debug_info *input_debug,
 572            const struct ecoff_debug_swap *input_swap,
 573            struct bfd_link_info *));
 574 extern boolean bfd_ecoff_debug_accumulate_other
 575   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 576            const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
 577            struct bfd_link_info *));
 578 extern boolean bfd_ecoff_debug_externals
 579   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 580            const struct ecoff_debug_swap *swap,
 581            boolean relocateable,
 582            boolean (*get_extr) (struct symbol_cache_entry *,
 583                                 struct ecoff_extr *),
 584            void (*set_index) (struct symbol_cache_entry *,
 585                               bfd_size_type)));
 586 extern boolean bfd_ecoff_debug_one_external
 587   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 588            const struct ecoff_debug_swap *swap,
 589            const char *name, struct ecoff_extr *esym));
 590 extern bfd_size_type bfd_ecoff_debug_size
 591   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 592            const struct ecoff_debug_swap *swap));
 593 extern boolean bfd_ecoff_write_debug
 594   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 595            const struct ecoff_debug_swap *swap, file_ptr where));
 596 extern boolean bfd_ecoff_write_accumulated_debug
 597   PARAMS ((PTR handle, bfd *abfd, struct ecoff_debug_info *debug,
 598            const struct ecoff_debug_swap *swap,
 599            struct bfd_link_info *info, file_ptr where));
 600 extern boolean bfd_mips_ecoff_create_embedded_relocs
 601   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 602            char **));
 603
 604 /* Externally visible ELF routines.  */
 605
 606 struct bfd_link_needed_list
 607 {
 608   struct bfd_link_needed_list *next;
 609   bfd *by;
 610   const char *name;
 611 };
 612
 613 extern boolean bfd_elf32_record_link_assignment
 614   PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
 615 extern boolean bfd_elf64_record_link_assignment
 616   PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
 617 extern struct bfd_link_needed_list *bfd_elf_get_needed_list
 618   PARAMS ((bfd *, struct bfd_link_info *));
 619 extern boolean bfd_elf_get_bfd_needed_list
 620   PARAMS ((bfd *, struct bfd_link_needed_list **));
 621 extern boolean bfd_elf32_size_dynamic_sections
 622   PARAMS ((bfd *, const char *, const char *, boolean, const char *,
 623            const char * const *, struct bfd_link_info *, struct sec **,
 624            struct bfd_elf_version_tree *));
 625 extern boolean bfd_elf64_size_dynamic_sections
 626   PARAMS ((bfd *, const char *, const char *, boolean, const char *,
 627            const char * const *, struct bfd_link_info *, struct sec **,
 628            struct bfd_elf_version_tree *));
 629 extern void bfd_elf_set_dt_needed_name PARAMS ((bfd *, const char *));
 630 extern void bfd_elf_set_dt_needed_soname PARAMS ((bfd *, const char *));
 631 extern const char *bfd_elf_get_dt_soname PARAMS ((bfd *));
 632 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
 633   PARAMS ((bfd *, struct bfd_link_info *));
 634
 635 /* Return an upper bound on the number of bytes required to store a
 636    copy of ABFD's program header table entries.  Return -1 if an error
 637    occurs; bfd_get_error will return an appropriate code.  */
 638 extern long bfd_get_elf_phdr_upper_bound PARAMS ((bfd *abfd));
 639
 640 /* Copy ABFD's program header table entries to *PHDRS.  The entries
 641    will be stored as an array of Elf_Internal_Phdr structures, as
 642    defined in include/elf/internal.h.  To find out how large the
 643    buffer needs to be, call bfd_get_elf_phdr_upper_bound.
 644
 645    Return the number of program header table entries read, or -1 if an
 646    error occurs; bfd_get_error will return an appropriate code.  */
 647 extern int bfd_get_elf_phdrs PARAMS ((bfd *abfd, void *phdrs));
 648
 649 /* Return the arch_size field of an elf bfd, or -1 if not elf.  */
 650 extern int bfd_get_arch_size PARAMS ((bfd *));
 651
 652 /* Return true if address "naturally" sign extends, or -1 if not elf. */
 653 extern int bfd_get_sign_extend_vma PARAMS ((bfd *));
 654
 655 /* SunOS shared library support routines for the linker.  */
 656
 657 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
 658   PARAMS ((bfd *, struct bfd_link_info *));
 659 extern boolean bfd_sunos_record_link_assignment
 660   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 661 extern boolean bfd_sunos_size_dynamic_sections
 662   PARAMS ((bfd *, struct bfd_link_info *, struct sec **, struct sec **,
 663            struct sec **));
 664
 665 /* Linux shared library support routines for the linker.  */
 666
 667 extern boolean bfd_i386linux_size_dynamic_sections
 668   PARAMS ((bfd *, struct bfd_link_info *));
 669 extern boolean bfd_m68klinux_size_dynamic_sections
 670   PARAMS ((bfd *, struct bfd_link_info *));
 671 extern boolean bfd_sparclinux_size_dynamic_sections
 672   PARAMS ((bfd *, struct bfd_link_info *));
 673
 674 /* mmap hacks */
 675
 676 struct _bfd_window_internal;
 677 typedef struct _bfd_window_internal bfd_window_internal;
 678
 679 typedef struct _bfd_window {
 680   /* What the user asked for.  */
 681   PTR data;
 682   bfd_size_type size;
 683   /* The actual window used by BFD.  Small user-requested read-only
 684      regions sharing a page may share a single window into the object
 685      file.  Read-write versions shouldn't until I've fixed things to
 686      keep track of which portions have been claimed by the
 687      application; don't want to give the same region back when the
 688      application wants two writable copies!  */
 689   struct _bfd_window_internal *i;
 690 } bfd_window;
 691
 692 extern void bfd_init_window PARAMS ((bfd_window *));
 693 extern void bfd_free_window PARAMS ((bfd_window *));
 694 extern boolean bfd_get_file_window
 695   PARAMS ((bfd *, file_ptr, bfd_size_type, bfd_window *, boolean));
 696
 697 /* XCOFF support routines for the linker.  */
 698
 699 extern boolean bfd_xcoff_link_record_set
 700   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
 701            bfd_size_type));
 702 extern boolean bfd_xcoff_import_symbol
 703   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
 704            bfd_vma, const char *, const char *, const char *));
 705 extern boolean bfd_xcoff_export_symbol
 706   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
 707            boolean));
 708 extern boolean bfd_xcoff_link_count_reloc
 709   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 710 extern boolean bfd_xcoff_record_link_assignment
 711   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 712 extern boolean bfd_xcoff_size_dynamic_sections
 713   PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *,
 714            unsigned long, unsigned long, unsigned long, boolean,
 715            int, boolean, boolean, struct sec **));
 716
 717 /* Externally visible COFF routines.  */
 718
 719 #if defined(__STDC__) || defined(ALMOST_STDC)
 720 struct internal_syment;
 721 union internal_auxent;
 722 #endif
 723
 724 extern boolean bfd_coff_get_syment
 725   PARAMS ((bfd *, struct symbol_cache_entry *, struct internal_syment *));
 726
 727 extern boolean bfd_coff_get_auxent
 728   PARAMS ((bfd *, struct symbol_cache_entry *, int, union internal_auxent *));
 729
 730 extern boolean bfd_coff_set_symbol_class
 731   PARAMS ((bfd *, struct symbol_cache_entry *, unsigned int));
 732
 733 extern boolean bfd_m68k_coff_create_embedded_relocs
 734   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 735            char **));
 736
 737 /* ARM Interworking support.  Called from linker.  */
 738 extern boolean bfd_arm_allocate_interworking_sections
 739   PARAMS ((struct bfd_link_info *));
 740
 741 extern boolean bfd_arm_process_before_allocation
 742   PARAMS ((bfd *, struct bfd_link_info *, int));
 743
 744 extern boolean bfd_arm_get_bfd_for_interworking
 745   PARAMS ((bfd *, struct bfd_link_info *));
 746
 747 /* PE ARM Interworking support.  Called from linker.  */
 748 extern boolean bfd_arm_pe_allocate_interworking_sections
 749   PARAMS ((struct bfd_link_info *));
 750
 751 extern boolean bfd_arm_pe_process_before_allocation
 752   PARAMS ((bfd *, struct bfd_link_info *, int));
 753
 754 extern boolean bfd_arm_pe_get_bfd_for_interworking
 755   PARAMS ((bfd *, struct bfd_link_info *));
 756
 757 /* ELF ARM Interworking support.  Called from linker.  */
 758 extern boolean bfd_elf32_arm_allocate_interworking_sections
 759   PARAMS ((struct bfd_link_info *));
 760
 761 extern boolean bfd_elf32_arm_process_before_allocation
 762   PARAMS ((bfd *, struct bfd_link_info *, int));
 763
 764 extern boolean bfd_elf32_arm_get_bfd_for_interworking
 765   PARAMS ((bfd *, struct bfd_link_info *));
 766
 767 /* TI COFF load page support. */
 768 extern void bfd_ticoff_set_section_load_page
 769   PARAMS ((struct sec *, int));
 770
 771 extern int bfd_ticoff_get_section_load_page
 772   PARAMS ((struct sec *));
 773
 774 /* And more from the source.  */
 775 void
 776 bfd_init PARAMS ((void));
 777
 778 bfd *
 779 bfd_openr PARAMS ((CONST char *filename, CONST char *target));
 780
 781 bfd *
 782 bfd_fdopenr PARAMS ((CONST char *filename, CONST char *target, int fd));
 783
 784 bfd *
 785 bfd_openstreamr PARAMS ((const char *, const char *, PTR));
 786
 787 bfd *
 788 bfd_openw PARAMS ((CONST char *filename, CONST char *target));
 789
 790 boolean
 791 bfd_close PARAMS ((bfd *abfd));
 792
 793 boolean
 794 bfd_close_all_done PARAMS ((bfd *));
 795
 796 bfd *
 797 bfd_create PARAMS ((CONST char *filename, bfd *templ));
 798
 799 boolean
 800 bfd_make_writable PARAMS ((bfd *abfd));
 801
 802 boolean
 803 bfd_make_readable PARAMS ((bfd *abfd));
 804
 805
 806 /* Byte swapping macros for user section data.  */
 807
 808 #define bfd_put_8(abfd, val, ptr) \
 809                 ((void) (*((unsigned char *)(ptr)) = (unsigned char)(val)))
 810 #define bfd_put_signed_8 \
 811                bfd_put_8
 812 #define bfd_get_8(abfd, ptr) \
 813                 (*(unsigned char *)(ptr))
 814 #define bfd_get_signed_8(abfd, ptr) \
 815                ((*(unsigned char *)(ptr) ^ 0x80) - 0x80)
 816
 817 #define bfd_put_16(abfd, val, ptr) \
 818                 BFD_SEND(abfd, bfd_putx16, ((val),(ptr)))
 819 #define bfd_put_signed_16 \
 820                 bfd_put_16
 821 #define bfd_get_16(abfd, ptr) \
 822                 BFD_SEND(abfd, bfd_getx16, (ptr))
 823 #define bfd_get_signed_16(abfd, ptr) \
 824                 BFD_SEND (abfd, bfd_getx_signed_16, (ptr))
 825
 826 #define bfd_put_32(abfd, val, ptr) \
 827                 BFD_SEND(abfd, bfd_putx32, ((val),(ptr)))
 828 #define bfd_put_signed_32 \
 829                 bfd_put_32
 830 #define bfd_get_32(abfd, ptr) \
 831                 BFD_SEND(abfd, bfd_getx32, (ptr))
 832 #define bfd_get_signed_32(abfd, ptr) \
 833                 BFD_SEND(abfd, bfd_getx_signed_32, (ptr))
 834
 835 #define bfd_put_64(abfd, val, ptr) \
 836                 BFD_SEND(abfd, bfd_putx64, ((val), (ptr)))
 837 #define bfd_put_signed_64 \
 838                 bfd_put_64
 839 #define bfd_get_64(abfd, ptr) \
 840                 BFD_SEND(abfd, bfd_getx64, (ptr))
 841 #define bfd_get_signed_64(abfd, ptr) \
 842                 BFD_SEND(abfd, bfd_getx_signed_64, (ptr))
 843
 844 #define bfd_get(bits, abfd, ptr)                               \
 845                 ((bits) == 8 ? bfd_get_8 (abfd, ptr)           \
 846                 : (bits) == 16 ? bfd_get_16 (abfd, ptr)        \
 847                 : (bits) == 32 ? bfd_get_32 (abfd, ptr)        \
 848                 : (bits) == 64 ? bfd_get_64 (abfd, ptr)        \
 849                 : (abort (), (bfd_vma) - 1))
 850
 851 #define bfd_put(bits, abfd, val, ptr)                          \
 852                 ((bits) == 8 ? bfd_put_8 (abfd, val, ptr)      \
 853                 : (bits) == 16 ? bfd_put_16 (abfd, val, ptr)   \
 854                 : (bits) == 32 ? bfd_put_32 (abfd, val, ptr)   \
 855                 : (bits) == 64 ? bfd_put_64 (abfd, val, ptr)   \
 856                 : (abort (), (void) 0))
 857
 858
 859 /* Byte swapping macros for file header data.  */
 860
 861 #define bfd_h_put_8(abfd, val, ptr) \
 862                bfd_put_8 (abfd, val, ptr)
 863 #define bfd_h_put_signed_8(abfd, val, ptr) \
 864                bfd_put_8 (abfd, val, ptr)
 865 #define bfd_h_get_8(abfd, ptr) \
 866                bfd_get_8 (abfd, ptr)
 867 #define bfd_h_get_signed_8(abfd, ptr) \
 868                bfd_get_signed_8 (abfd, ptr)
 869
 870 #define bfd_h_put_16(abfd, val, ptr) \
 871                 BFD_SEND(abfd, bfd_h_putx16,(val,ptr))
 872 #define bfd_h_put_signed_16 \
 873                 bfd_h_put_16
 874 #define bfd_h_get_16(abfd, ptr) \
 875                 BFD_SEND(abfd, bfd_h_getx16,(ptr))
 876 #define bfd_h_get_signed_16(abfd, ptr) \
 877                 BFD_SEND(abfd, bfd_h_getx_signed_16, (ptr))
 878
 879 #define bfd_h_put_32(abfd, val, ptr) \
 880                 BFD_SEND(abfd, bfd_h_putx32,(val,ptr))
 881 #define bfd_h_put_signed_32 \
 882                 bfd_h_put_32
 883 #define bfd_h_get_32(abfd, ptr) \
 884                 BFD_SEND(abfd, bfd_h_getx32,(ptr))
 885 #define bfd_h_get_signed_32(abfd, ptr) \
 886                 BFD_SEND(abfd, bfd_h_getx_signed_32, (ptr))
 887
 888 #define bfd_h_put_64(abfd, val, ptr) \
 889                 BFD_SEND(abfd, bfd_h_putx64,(val, ptr))
 890 #define bfd_h_put_signed_64 \
 891                 bfd_h_put_64
 892 #define bfd_h_get_64(abfd, ptr) \
 893                 BFD_SEND(abfd, bfd_h_getx64,(ptr))
 894 #define bfd_h_get_signed_64(abfd, ptr) \
 895                 BFD_SEND(abfd, bfd_h_getx_signed_64, (ptr))
 896
 897 /* This structure is used for a comdat section, as in PE.  A comdat
 898    section is associated with a particular symbol.  When the linker
 899    sees a comdat section, it keeps only one of the sections with a
 900    given name and associated with a given symbol.  */
 901
 902 struct bfd_comdat_info
 903 {
 904   /* The name of the symbol associated with a comdat section.  */
 905   const char *name;
 906
 907   /* The local symbol table index of the symbol associated with a
 908      comdat section.  This is only meaningful to the object file format
 909      specific code; it is not an index into the list returned by
 910      bfd_canonicalize_symtab.  */
 911   long symbol;
 912
 913   /* If this section is being discarded, the linker uses this field
 914      to point to the input section which is being kept.  */
 915   struct sec *sec;
 916 };
 917
 918 typedef struct sec
 919 {
 920   /* The name of the section; the name isn't a copy, the pointer is
 921      the same as that passed to bfd_make_section.  */
 922
 923   const char *name;
 924
 925   /* A unique sequence number.  */
 926
 927   int id;
 928
 929   /* Which section is it; 0..nth.  */
 930
 931   int index;
 932
 933   /* The next section in the list belonging to the BFD, or NULL.  */
 934
 935   struct sec *next;
 936
 937   /* The field flags contains attributes of the section. Some
 938      flags are read in from the object file, and some are
 939      synthesized from other information.  */
 940
 941   flagword flags;
 942
 943 #define SEC_NO_FLAGS   0x000
 944
 945   /* Tells the OS to allocate space for this section when loading.
 946      This is clear for a section containing debug information only.  */
 947 #define SEC_ALLOC      0x001
 948
 949   /* Tells the OS to load the section from the file when loading.
 950      This is clear for a .bss section.  */
 951 #define SEC_LOAD       0x002
 952
 953   /* The section contains data still to be relocated, so there is
 954      some relocation information too.  */
 955 #define SEC_RELOC      0x004
 956
 957 #if 0   /* Obsolete ? */
 958 #define SEC_BALIGN     0x008
 959 #endif
 960
 961   /* A signal to the OS that the section contains read only data.  */
 962 #define SEC_READONLY   0x010
 963
 964   /* The section contains code only.  */
 965 #define SEC_CODE       0x020
 966
 967   /* The section contains data only.  */
 968 #define SEC_DATA       0x040
 969
 970   /* The section will reside in ROM.  */
 971 #define SEC_ROM        0x080
 972
 973   /* The section contains constructor information. This section
 974      type is used by the linker to create lists of constructors and
 975      destructors used by <<g++>>. When a back end sees a symbol
 976      which should be used in a constructor list, it creates a new
 977      section for the type of name (e.g., <<__CTOR_LIST__>>), attaches
 978      the symbol to it, and builds a relocation. To build the lists
 979      of constructors, all the linker has to do is catenate all the
 980      sections called <<__CTOR_LIST__>> and relocate the data
 981      contained within - exactly the operations it would peform on
 982      standard data.  */
 983 #define SEC_CONSTRUCTOR 0x100
 984
 985   /* The section is a constructor, and should be placed at the
 986      end of the text, data, or bss section(?).  */
 987 #define SEC_CONSTRUCTOR_TEXT 0x1100
 988 #define SEC_CONSTRUCTOR_DATA 0x2100
 989 #define SEC_CONSTRUCTOR_BSS  0x3100
 990
 991   /* The section has contents - a data section could be
 992      <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>; a debug section could be
 993      <<SEC_HAS_CONTENTS>>  */
 994 #define SEC_HAS_CONTENTS 0x200
 995
 996   /* An instruction to the linker to not output the section
 997      even if it has information which would normally be written.  */
 998 #define SEC_NEVER_LOAD 0x400
 999
1000   /* The section is a COFF shared library section.  This flag is
1001      only for the linker.  If this type of section appears in
1002      the input file, the linker must copy it to the output file
1003      without changing the vma or size.  FIXME: Although this
1004      was originally intended to be general, it really is COFF
1005      specific (and the flag was renamed to indicate this).  It
1006      might be cleaner to have some more general mechanism to
1007      allow the back end to control what the linker does with
1008      sections.  */
1009 #define SEC_COFF_SHARED_LIBRARY 0x800
1010
1011   /* The section has GOT references.  This flag is only for the
1012      linker, and is currently only used by the elf32-hppa back end.
1013      It will be set if global offset table references were detected
1014      in this section, which indicate to the linker that the section
1015      contains PIC code, and must be handled specially when doing a
1016      static link.  */
1017 #define SEC_HAS_GOT_REF 0x4000
1018
1019   /* The section contains common symbols (symbols may be defined
1020      multiple times, the value of a symbol is the amount of
1021      space it requires, and the largest symbol value is the one
1022      used).  Most targets have exactly one of these (which we
1023      translate to bfd_com_section_ptr), but ECOFF has two.  */
1024 #define SEC_IS_COMMON 0x8000
1025
1026   /* The section contains only debugging information.  For
1027      example, this is set for ELF .debug and .stab sections.
1028      strip tests this flag to see if a section can be
1029      discarded.  */
1030 #define SEC_DEBUGGING 0x10000
1031
1032   /* The contents of this section are held in memory pointed to
1033      by the contents field.  This is checked by bfd_get_section_contents,
1034      and the data is retrieved from memory if appropriate.  */
1035 #define SEC_IN_MEMORY 0x20000
1036
1037   /* The contents of this section are to be excluded by the
1038      linker for executable and shared objects unless those
1039      objects are to be further relocated.  */
1040 #define SEC_EXCLUDE 0x40000
1041
1042   /* The contents of this section are to be sorted by the
1043      based on the address specified in the associated symbol
1044      table.  */
1045 #define SEC_SORT_ENTRIES 0x80000
1046
1047   /* When linking, duplicate sections of the same name should be
1048      discarded, rather than being combined into a single section as
1049      is usually done.  This is similar to how common symbols are
1050      handled.  See SEC_LINK_DUPLICATES below.  */
1051 #define SEC_LINK_ONCE 0x100000
1052
1053   /* If SEC_LINK_ONCE is set, this bitfield describes how the linker
1054      should handle duplicate sections.  */
1055 #define SEC_LINK_DUPLICATES 0x600000
1056
1057   /* This value for SEC_LINK_DUPLICATES means that duplicate
1058      sections with the same name should simply be discarded.  */
1059 #define SEC_LINK_DUPLICATES_DISCARD 0x0
1060
1061   /* This value for SEC_LINK_DUPLICATES means that the linker
1062      should warn if there are any duplicate sections, although
1063      it should still only link one copy.  */
1064 #define SEC_LINK_DUPLICATES_ONE_ONLY 0x200000
1065
1066   /* This value for SEC_LINK_DUPLICATES means that the linker
1067      should warn if any duplicate sections are a different size.  */
1068 #define SEC_LINK_DUPLICATES_SAME_SIZE 0x400000
1069
1070   /* This value for SEC_LINK_DUPLICATES means that the linker
1071      should warn if any duplicate sections contain different
1072      contents.  */
1073 #define SEC_LINK_DUPLICATES_SAME_CONTENTS 0x600000
1074
1075   /* This section was created by the linker as part of dynamic
1076      relocation or other arcane processing.  It is skipped when
1077      going through the first-pass output, trusting that someone
1078      else up the line will take care of it later.  */
1079 #define SEC_LINKER_CREATED 0x800000
1080
1081   /* This section should not be subject to garbage collection.  */
1082 #define SEC_KEEP 0x1000000
1083
1084   /* This section contains "short" data, and should be placed
1085      "near" the GP.  */
1086 #define SEC_SMALL_DATA 0x2000000
1087
1088   /* This section contains data which may be shared with other
1089      executables or shared objects.  */
1090 #define SEC_SHARED 0x4000000
1091
1092   /* When a section with this flag is being linked, then if the size of
1093      the input section is less than a page, it should not cross a page
1094      boundary.  If the size of the input section is one page or more, it
1095      should be aligned on a page boundary.  */
1096 #define SEC_BLOCK 0x8000000
1097
1098   /* Conditionally link this section; do not link if there are no
1099      references found to any symbol in the section.  */
1100 #define SEC_CLINK 0x10000000
1101
1102   /*  End of section flags.  */
1103
1104   /* Some internal packed boolean fields.  */
1105
1106   /* See the vma field.  */
1107   unsigned int user_set_vma : 1;
1108
1109   /* Whether relocations have been processed.  */
1110   unsigned int reloc_done : 1;
1111
1112   /* A mark flag used by some of the linker backends.  */
1113   unsigned int linker_mark : 1;
1114
1115   /* A mark flag used by some linker backends for garbage collection.  */
1116   unsigned int gc_mark : 1;
1117
1118   /* Used by the ELF code to mark sections which have been allocated to segments.  */
1119   unsigned int segment_mark : 1;
1120
1121   /* End of internal packed boolean fields.  */
1122
1123   /*  The virtual memory address of the section - where it will be
1124       at run time.  The symbols are relocated against this.  The
1125       user_set_vma flag is maintained by bfd; if it's not set, the
1126       backend can assign addresses (for example, in <<a.out>>, where
1127       the default address for <<.data>> is dependent on the specific
1128       target and various flags).  */
1129
1130   bfd_vma vma;
1131
1132   /*  The load address of the section - where it would be in a
1133       rom image; really only used for writing section header
1134       information. */
1135
1136   bfd_vma lma;
1137
1138   /* The size of the section in octets, as it will be output.
1139      Contains a value even if the section has no contents (e.g., the
1140      size of <<.bss>>).  This will be filled in after relocation.  */
1141
1142   bfd_size_type _cooked_size;
1143
1144   /* The original size on disk of the section, in octets.  Normally this
1145      value is the same as the size, but if some relaxing has
1146      been done, then this value will be bigger.  */
1147
1148   bfd_size_type _raw_size;
1149
1150   /* If this section is going to be output, then this value is the
1151      offset in *bytes* into the output section of the first byte in the
1152      input section (byte ==> smallest addressable unit on the
1153      target).  In most cases, if this was going to start at the
1154      100th octet (8-bit quantity) in the output section, this value
1155      would be 100.  However, if the target byte size is 16 bits
1156      (bfd_octets_per_byte is "2"), this value would be 50.  */
1157
1158   bfd_vma output_offset;
1159
1160   /* The output section through which to map on output.  */
1161
1162   struct sec *output_section;
1163
1164   /* The alignment requirement of the section, as an exponent of 2 -
1165      e.g., 3 aligns to 2^3 (or 8).  */
1166
1167   unsigned int alignment_power;
1168
1169   /* If an input section, a pointer to a vector of relocation
1170      records for the data in this section.  */
1171
1172   struct reloc_cache_entry *relocation;
1173
1174   /* If an output section, a pointer to a vector of pointers to
1175      relocation records for the data in this section.  */
1176
1177   struct reloc_cache_entry **orelocation;
1178
1179   /* The number of relocation records in one of the above  */
1180
1181   unsigned reloc_count;
1182
1183   /* Information below is back end specific - and not always used
1184      or updated.  */
1185
1186   /* File position of section data.  */
1187
1188   file_ptr filepos;
1189
1190   /* File position of relocation info.  */
1191
1192   file_ptr rel_filepos;
1193
1194   /* File position of line data.  */
1195
1196   file_ptr line_filepos;
1197
1198   /* Pointer to data for applications.  */
1199
1200   PTR userdata;
1201
1202   /* If the SEC_IN_MEMORY flag is set, this points to the actual
1203      contents.  */
1204   unsigned char *contents;
1205
1206   /* Attached line number information.  */
1207
1208   alent *lineno;
1209
1210   /* Number of line number records.  */
1211
1212   unsigned int lineno_count;
1213
1214   /* Optional information about a COMDAT entry; NULL if not COMDAT.  */
1215
1216   struct bfd_comdat_info *comdat;
1217
1218   /* When a section is being output, this value changes as more
1219      linenumbers are written out.  */
1220
1221   file_ptr moving_line_filepos;
1222
1223   /* What the section number is in the target world.  */
1224
1225   int target_index;
1226
1227   PTR used_by_bfd;
1228
1229   /* If this is a constructor section then here is a list of the
1230      relocations created to relocate items within it.  */
1231
1232   struct relent_chain *constructor_chain;
1233
1234   /* The BFD which owns the section.  */
1235
1236   bfd *owner;
1237
1238   /* A symbol which points at this section only */
1239   struct symbol_cache_entry *symbol;
1240   struct symbol_cache_entry **symbol_ptr_ptr;
1241
1242   struct bfd_link_order *link_order_head;
1243   struct bfd_link_order *link_order_tail;
1244 } asection ;
1245
1246 /* These sections are global, and are managed by BFD.  The application
1247    and target back end are not permitted to change the values in
1248    these sections.  New code should use the section_ptr macros rather
1249    than referring directly to the const sections.  The const sections
1250    may eventually vanish.  */
1251 #define BFD_ABS_SECTION_NAME "*ABS*"
1252 #define BFD_UND_SECTION_NAME "*UND*"
1253 #define BFD_COM_SECTION_NAME "*COM*"
1254 #define BFD_IND_SECTION_NAME "*IND*"
1255
1256 /* the absolute section */
1257 extern const asection bfd_abs_section;
1258 #define bfd_abs_section_ptr ((asection *) &bfd_abs_section)
1259 #define bfd_is_abs_section(sec) ((sec) == bfd_abs_section_ptr)
1260 /* Pointer to the undefined section */
1261 extern const asection bfd_und_section;
1262 #define bfd_und_section_ptr ((asection *) &bfd_und_section)
1263 #define bfd_is_und_section(sec) ((sec) == bfd_und_section_ptr)
1264 /* Pointer to the common section */
1265 extern const asection bfd_com_section;
1266 #define bfd_com_section_ptr ((asection *) &bfd_com_section)
1267 /* Pointer to the indirect section */
1268 extern const asection bfd_ind_section;
1269 #define bfd_ind_section_ptr ((asection *) &bfd_ind_section)
1270 #define bfd_is_ind_section(sec) ((sec) == bfd_ind_section_ptr)
1271
1272 extern const struct symbol_cache_entry * const bfd_abs_symbol;
1273 extern const struct symbol_cache_entry * const bfd_com_symbol;
1274 extern const struct symbol_cache_entry * const bfd_und_symbol;
1275 extern const struct symbol_cache_entry * const bfd_ind_symbol;
1276 #define bfd_get_section_size_before_reloc(section) \
1277      ((section)->reloc_done ? (abort (), (bfd_size_type) 1) \
1278                             : (section)->_raw_size)
1279 #define bfd_get_section_size_after_reloc(section) \
1280      ((section)->reloc_done ? (section)->_cooked_size \
1281                             : (abort (), (bfd_size_type) 1))
1282 asection *
1283 bfd_get_section_by_name PARAMS ((bfd *abfd, const char *name));
1284
1285 char *
1286 bfd_get_unique_section_name PARAMS ((bfd *abfd,
1287     const char *template,
1288     int *count));
1289
1290 asection *
1291 bfd_make_section_old_way PARAMS ((bfd *abfd, const char *name));
1292
1293 asection *
1294 bfd_make_section_anyway PARAMS ((bfd *abfd, const char *name));
1295
1296 asection *
1297 bfd_make_section PARAMS ((bfd *, const char *name));
1298
1299 boolean
1300 bfd_set_section_flags PARAMS ((bfd *abfd, asection *sec, flagword flags));
1301
1302 void
1303 bfd_map_over_sections PARAMS ((bfd *abfd,
1304     void (*func)(bfd *abfd,
1305     asection *sect,
1306     PTR obj),
1307     PTR obj));
1308
1309 boolean
1310 bfd_set_section_size PARAMS ((bfd *abfd, asection *sec, bfd_size_type val));
1311
1312 boolean
1313 bfd_set_section_contents
1314  PARAMS ((bfd *abfd,
1315     asection *section,
1316     PTR data,
1317     file_ptr offset,
1318     bfd_size_type count));
1319
1320 boolean
1321 bfd_get_section_contents
1322  PARAMS ((bfd *abfd, asection *section, PTR location,
1323     file_ptr offset, bfd_size_type count));
1324
1325 boolean
1326 bfd_copy_private_section_data PARAMS ((bfd *ibfd, asection *isec, bfd *obfd, asection *osec));
1327
1328 #define bfd_copy_private_section_data(ibfd, isection, obfd, osection) \
1329      BFD_SEND (obfd, _bfd_copy_private_section_data, \
1330                (ibfd, isection, obfd, osection))
1331 void
1332 _bfd_strip_section_from_output
1333  PARAMS ((struct bfd_link_info *info, asection *section));
1334
1335 enum bfd_architecture
1336 {
1337   bfd_arch_unknown,   /* File arch not known */
1338   bfd_arch_obscure,   /* Arch known, not one of these */
1339   bfd_arch_m68k,      /* Motorola 68xxx */
1340 #define bfd_mach_m68000 1
1341 #define bfd_mach_m68008 2
1342 #define bfd_mach_m68010 3
1343 #define bfd_mach_m68020 4
1344 #define bfd_mach_m68030 5
1345 #define bfd_mach_m68040 6
1346 #define bfd_mach_m68060 7
1347 #define bfd_mach_cpu32  8
1348   bfd_arch_vax,       /* DEC Vax */
1349   bfd_arch_i960,      /* Intel 960 */
1350     /* The order of the following is important.
1351        lower number indicates a machine type that
1352        only accepts a subset of the instructions
1353        available to machines with higher numbers.
1354        The exception is the "ca", which is
1355        incompatible with all other machines except
1356        "core". */
1357
1358 #define bfd_mach_i960_core      1
1359 #define bfd_mach_i960_ka_sa     2
1360 #define bfd_mach_i960_kb_sb     3
1361 #define bfd_mach_i960_mc        4
1362 #define bfd_mach_i960_xa        5
1363 #define bfd_mach_i960_ca        6
1364 #define bfd_mach_i960_jx        7
1365 #define bfd_mach_i960_hx        8
1366
1367   bfd_arch_a29k,      /* AMD 29000 */
1368   bfd_arch_sparc,     /* SPARC */
1369 #define bfd_mach_sparc                 1
1370 /* The difference between v8plus and v9 is that v9 is a true 64 bit env.  */
1371 #define bfd_mach_sparc_sparclet        2
1372 #define bfd_mach_sparc_sparclite       3
1373 #define bfd_mach_sparc_v8plus          4
1374 #define bfd_mach_sparc_v8plusa         5 /* with ultrasparc add'ns */
1375 #define bfd_mach_sparc_sparclite_le    6
1376 #define bfd_mach_sparc_v9              7
1377 #define bfd_mach_sparc_v9a             8 /* with ultrasparc add'ns */
1378 /* Nonzero if MACH has the v9 instruction set.  */
1379 #define bfd_mach_sparc_v9_p(mach) \
1380   ((mach) >= bfd_mach_sparc_v8plus && (mach) <= bfd_mach_sparc_v9a)
1381   bfd_arch_mips,      /* MIPS Rxxxx */
1382 #define bfd_mach_mips3000              3000
1383 #define bfd_mach_mips3900              3900
1384 #define bfd_mach_mips4000              4000
1385 #define bfd_mach_mips4010              4010
1386 #define bfd_mach_mips4100              4100
1387 #define bfd_mach_mips4111              4111
1388 #define bfd_mach_mips4300              4300
1389 #define bfd_mach_mips4400              4400
1390 #define bfd_mach_mips4600              4600
1391 #define bfd_mach_mips4650              4650
1392 #define bfd_mach_mips5000              5000
1393 #define bfd_mach_mips6000              6000
1394 #define bfd_mach_mips8000              8000
1395 #define bfd_mach_mips10000             10000
1396 #define bfd_mach_mips16                16
1397   bfd_arch_i386,      /* Intel 386 */
1398 #define bfd_mach_i386_i386 0
1399 #define bfd_mach_i386_i8086 1
1400 #define bfd_mach_i386_i386_intel_syntax 2
1401   bfd_arch_we32k,     /* AT&T WE32xxx */
1402   bfd_arch_tahoe,     /* CCI/Harris Tahoe */
1403   bfd_arch_i860,      /* Intel 860 */
1404   bfd_arch_i370,      /* IBM 360/370 Mainframes */
1405   bfd_arch_romp,      /* IBM ROMP PC/RT */
1406   bfd_arch_alliant,   /* Alliant */
1407   bfd_arch_convex,    /* Convex */
1408   bfd_arch_m88k,      /* Motorola 88xxx */
1409   bfd_arch_pyramid,   /* Pyramid Technology */
1410   bfd_arch_h8300,     /* Hitachi H8/300 */
1411 #define bfd_mach_h8300   1
1412 #define bfd_mach_h8300h  2
1413 #define bfd_mach_h8300s  3
1414   bfd_arch_powerpc,   /* PowerPC */
1415 #define bfd_mach_ppc           0
1416 #define bfd_mach_ppc_403       403
1417 #define bfd_mach_ppc_403gc     4030
1418 #define bfd_mach_ppc_505       505
1419 #define bfd_mach_ppc_601       601
1420 #define bfd_mach_ppc_602       602
1421 #define bfd_mach_ppc_603       603
1422 #define bfd_mach_ppc_ec603e    6031
1423 #define bfd_mach_ppc_604       604
1424 #define bfd_mach_ppc_620       620
1425 #define bfd_mach_ppc_630       630
1426 #define bfd_mach_ppc_750       750
1427 #define bfd_mach_ppc_860       860
1428 #define bfd_mach_ppc_a35       35
1429 #define bfd_mach_ppc_rs64ii    642
1430 #define bfd_mach_ppc_rs64iii   643
1431 #define bfd_mach_ppc_7400      7400
1432   bfd_arch_rs6000,    /* IBM RS/6000 */
1433 #define bfd_mach_rs6k          0
1434 #define bfd_mach_rs6k_rs1      6001
1435 #define bfd_mach_rs6k_rsc      6003
1436 #define bfd_mach_rs6k_rs2      6002
1437   bfd_arch_hppa,      /* HP PA RISC */
1438   bfd_arch_d10v,      /* Mitsubishi D10V */
1439 #define bfd_mach_d10v          0
1440 #define bfd_mach_d10v_ts2      2
1441 #define bfd_mach_d10v_ts3      3
1442   bfd_arch_d30v,      /* Mitsubishi D30V */
1443   bfd_arch_m68hc11,   /* Motorola 68HC11 */
1444   bfd_arch_m68hc12,   /* Motorola 68HC12 */
1445   bfd_arch_z8k,       /* Zilog Z8000 */
1446 #define bfd_mach_z8001         1
1447 #define bfd_mach_z8002         2
1448   bfd_arch_h8500,     /* Hitachi H8/500 */
1449   bfd_arch_sh,        /* Hitachi SH */
1450 #define bfd_mach_sh            0
1451 #define bfd_mach_sh2        0x20
1452 #define bfd_mach_sh_dsp     0x2d
1453 #define bfd_mach_sh3        0x30
1454 #define bfd_mach_sh3_dsp    0x3d
1455 #define bfd_mach_sh3e       0x3e
1456 #define bfd_mach_sh4        0x40
1457   bfd_arch_alpha,     /* Dec Alpha */
1458 #define bfd_mach_alpha_ev4  0x10
1459 #define bfd_mach_alpha_ev5  0x20
1460 #define bfd_mach_alpha_ev6  0x30
1461   bfd_arch_arm,       /* Advanced Risc Machines ARM */
1462 #define bfd_mach_arm_2         1
1463 #define bfd_mach_arm_2a        2
1464 #define bfd_mach_arm_3         3
1465 #define bfd_mach_arm_3M        4
1466 #define bfd_mach_arm_4         5
1467 #define bfd_mach_arm_4T        6
1468 #define bfd_mach_arm_5         7
1469 #define bfd_mach_arm_5T        8
1470   bfd_arch_ns32k,     /* National Semiconductors ns32000 */
1471   bfd_arch_w65,       /* WDC 65816 */
1472   bfd_arch_tic30,     /* Texas Instruments TMS320C30 */
1473   bfd_arch_tic54x,    /* Texas Instruments TMS320C54X */
1474   bfd_arch_tic80,     /* TI TMS320c80 (MVP) */
1475   bfd_arch_v850,      /* NEC V850 */
1476 #define bfd_mach_v850          0
1477 #define bfd_mach_v850e         'E'
1478 #define bfd_mach_v850ea        'A'
1479   bfd_arch_arc,       /* Argonaut RISC Core */
1480 #define bfd_mach_arc_base 0
1481   bfd_arch_m32r,      /* Mitsubishi M32R/D */
1482 #define bfd_mach_m32r          0 /* backwards compatibility */
1483 #define bfd_mach_m32rx         'x'
1484   bfd_arch_mn10200,   /* Matsushita MN10200 */
1485   bfd_arch_mn10300,   /* Matsushita MN10300 */
1486 #define bfd_mach_mn10300               300
1487 #define bfd_mach_am33          330
1488   bfd_arch_fr30,
1489 #define bfd_mach_fr30          0x46523330
1490   bfd_arch_mcore,
1491   bfd_arch_ia64,      /* HP/Intel ia64 */
1492   bfd_arch_pj,
1493   bfd_arch_avr,       /* Atmel AVR microcontrollers */
1494 #define bfd_mach_avr1          1
1495 #define bfd_mach_avr2          2
1496 #define bfd_mach_avr3          3
1497 #define bfd_mach_avr4          4
1498 #define bfd_mach_avr5          5
1499   bfd_arch_cris,      /* Axis CRIS */
1500   bfd_arch_last
1501   };
1502
1503 typedef struct bfd_arch_info
1504 {
1505   int bits_per_word;
1506   int bits_per_address;
1507   int bits_per_byte;
1508   enum bfd_architecture arch;
1509   unsigned long mach;
1510   const char *arch_name;
1511   const char *printable_name;
1512   unsigned int section_align_power;
1513   /* True if this is the default machine for the architecture.  */
1514   boolean the_default;
1515   const struct bfd_arch_info * (*compatible)
1516        PARAMS ((const struct bfd_arch_info *a,
1517                 const struct bfd_arch_info *b));
1518
1519   boolean (*scan) PARAMS ((const struct bfd_arch_info *, const char *));
1520
1521   const struct bfd_arch_info *next;
1522 } bfd_arch_info_type;
1523 const char *
1524 bfd_printable_name PARAMS ((bfd *abfd));
1525
1526 const bfd_arch_info_type *
1527 bfd_scan_arch PARAMS ((const char *string));
1528
1529 const char **
1530 bfd_arch_list PARAMS ((void));
1531
1532 const bfd_arch_info_type *
1533 bfd_arch_get_compatible PARAMS ((
1534     const bfd *abfd,
1535     const bfd *bbfd));
1536
1537 void
1538 bfd_set_arch_info PARAMS ((bfd *abfd, const bfd_arch_info_type *arg));
1539
1540 enum bfd_architecture
1541 bfd_get_arch PARAMS ((bfd *abfd));
1542
1543 unsigned long
1544 bfd_get_mach PARAMS ((bfd *abfd));
1545
1546 unsigned int
1547 bfd_arch_bits_per_byte PARAMS ((bfd *abfd));
1548
1549 unsigned int
1550 bfd_arch_bits_per_address PARAMS ((bfd *abfd));
1551
1552 const bfd_arch_info_type *
1553 bfd_get_arch_info PARAMS ((bfd *abfd));
1554
1555 const bfd_arch_info_type *
1556 bfd_lookup_arch
1557  PARAMS ((enum bfd_architecture
1558     arch,
1559     unsigned long machine));
1560
1561 const char *
1562 bfd_printable_arch_mach
1563  PARAMS ((enum bfd_architecture arch, unsigned long machine));
1564
1565 unsigned int
1566 bfd_octets_per_byte PARAMS ((bfd *abfd));
1567
1568 unsigned int
1569 bfd_arch_mach_octets_per_byte PARAMS ((enum bfd_architecture arch,
1570     unsigned long machine));
1571
1572 typedef enum bfd_reloc_status
1573 {
1574        /* No errors detected */
1575   bfd_reloc_ok,
1576
1577        /* The relocation was performed, but there was an overflow. */
1578   bfd_reloc_overflow,
1579
1580        /* The address to relocate was not within the section supplied. */
1581   bfd_reloc_outofrange,
1582
1583        /* Used by special functions */
1584   bfd_reloc_continue,
1585
1586        /* Unsupported relocation size requested. */
1587   bfd_reloc_notsupported,
1588
1589        /* Unused */
1590   bfd_reloc_other,
1591
1592        /* The symbol to relocate against was undefined. */
1593   bfd_reloc_undefined,
1594
1595        /* The relocation was performed, but may not be ok - presently
1596           generated only when linking i960 coff files with i960 b.out
1597           symbols.  If this type is returned, the error_message argument
1598           to bfd_perform_relocation will be set.  */
1599   bfd_reloc_dangerous
1600  }
1601  bfd_reloc_status_type;
1602
1603
1604 typedef struct reloc_cache_entry
1605 {
1606        /* A pointer into the canonical table of pointers  */
1607   struct symbol_cache_entry **sym_ptr_ptr;
1608
1609        /* offset in section */
1610   bfd_size_type address;
1611
1612        /* addend for relocation value */
1613   bfd_vma addend;
1614
1615        /* Pointer to how to perform the required relocation */
1616   reloc_howto_type *howto;
1617
1618 } arelent;
1619 enum complain_overflow
1620 {
1621        /* Do not complain on overflow. */
1622   complain_overflow_dont,
1623
1624        /* Complain if the bitfield overflows, whether it is considered
1625           as signed or unsigned. */
1626   complain_overflow_bitfield,
1627
1628        /* Complain if the value overflows when considered as signed
1629           number. */
1630   complain_overflow_signed,
1631
1632        /* Complain if the value overflows when considered as an
1633           unsigned number. */
1634   complain_overflow_unsigned
1635 };
1636
1637 struct reloc_howto_struct
1638 {
1639        /*  The type field has mainly a documentary use - the back end can
1640            do what it wants with it, though normally the back end's
1641            external idea of what a reloc number is stored
1642            in this field. For example, a PC relative word relocation
1643            in a coff environment has the type 023 - because that's
1644            what the outside world calls a R_PCRWORD reloc. */
1645   unsigned int type;
1646
1647        /*  The value the final relocation is shifted right by. This drops
1648            unwanted data from the relocation.  */
1649   unsigned int rightshift;
1650
1651        /*  The size of the item to be relocated.  This is *not* a
1652            power-of-two measure.  To get the number of bytes operated
1653            on by a type of relocation, use bfd_get_reloc_size.  */
1654   int size;
1655
1656        /*  The number of bits in the item to be relocated.  This is used
1657            when doing overflow checking.  */
1658   unsigned int bitsize;
1659
1660        /*  Notes that the relocation is relative to the location in the
1661            data section of the addend. The relocation function will
1662            subtract from the relocation value the address of the location
1663            being relocated. */
1664   boolean pc_relative;
1665
1666        /*  The bit position of the reloc value in the destination.
1667            The relocated value is left shifted by this amount. */
1668   unsigned int bitpos;
1669
1670        /* What type of overflow error should be checked for when
1671           relocating. */
1672   enum complain_overflow complain_on_overflow;
1673
1674        /* If this field is non null, then the supplied function is
1675           called rather than the normal function. This allows really
1676           strange relocation methods to be accomodated (e.g., i960 callj
1677           instructions). */
1678   bfd_reloc_status_type (*special_function)
1679                                    PARAMS ((bfd *abfd,
1680                                             arelent *reloc_entry,
1681                                             struct symbol_cache_entry *symbol,
1682                                             PTR data,
1683                                             asection *input_section,
1684                                             bfd *output_bfd,
1685                                             char **error_message));
1686
1687        /* The textual name of the relocation type. */
1688   char *name;
1689
1690        /* Some formats record a relocation addend in the section contents
1691           rather than with the relocation.  For ELF formats this is the
1692           distinction between USE_REL and USE_RELA (though the code checks
1693           for USE_REL == 1/0).  The value of this field is TRUE if the
1694           addend is recorded with the section contents; when performing a
1695           partial link (ld -r) the section contents (the data) will be
1696           modified.  The value of this field is FALSE if addends are
1697           recorded with the relocation (in arelent.addend); when performing
1698           a partial link the relocation will be modified.
1699           All relocations for all ELF USE_RELA targets should set this field
1700           to FALSE (values of TRUE should be looked on with suspicion).
1701           However, the converse is not true: not all relocations of all ELF
1702           USE_REL targets set this field to TRUE.  Why this is so is peculiar
1703           to each particular target.  For relocs that aren't used in partial
1704           links (e.g. GOT stuff) it doesn't matter what this is set to.  */
1705   boolean partial_inplace;
1706
1707        /* The src_mask selects which parts of the read in data
1708           are to be used in the relocation sum.  E.g., if this was an 8 bit
1709           byte of data which we read and relocated, this would be
1710           0x000000ff. When we have relocs which have an addend, such as
1711           sun4 extended relocs, the value in the offset part of a
1712           relocating field is garbage so we never use it. In this case
1713           the mask would be 0x00000000. */
1714   bfd_vma src_mask;
1715
1716        /* The dst_mask selects which parts of the instruction are replaced
1717           into the instruction. In most cases src_mask == dst_mask,
1718           except in the above special case, where dst_mask would be
1719           0x000000ff, and src_mask would be 0x00000000.   */
1720   bfd_vma dst_mask;
1721
1722        /* When some formats create PC relative instructions, they leave
1723           the value of the pc of the place being relocated in the offset
1724           slot of the instruction, so that a PC relative relocation can
1725           be made just by adding in an ordinary offset (e.g., sun3 a.out).
1726           Some formats leave the displacement part of an instruction
1727           empty (e.g., m88k bcs); this flag signals the fact.*/
1728   boolean pcrel_offset;
1729
1730 };
1731 #define HOWTO(C, R,S,B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \
1732   {(unsigned)C,R,S,B, P, BI, O,SF,NAME,INPLACE,MASKSRC,MASKDST,PC}
1733 #define NEWHOWTO( FUNCTION, NAME,SIZE,REL,IN) HOWTO(0,0,SIZE,0,REL,0,complain_overflow_dont,FUNCTION, NAME,false,0,0,IN)
1734
1735 #define EMPTY_HOWTO(C) \
1736   HOWTO((C),0,0,0,false,0,complain_overflow_dont,NULL,NULL,false,0,0,false)
1737
1738 #define HOWTO_PREPARE(relocation, symbol)      \
1739   {                                            \
1740   if (symbol != (asymbol *)NULL) {             \
1741     if (bfd_is_com_section (symbol->section)) { \
1742       relocation = 0;                          \
1743     }                                          \
1744     else {                                     \
1745       relocation = symbol->value;              \
1746     }                                          \
1747   }                                            \
1748 }
1749 unsigned int
1750 bfd_get_reloc_size  PARAMS ((reloc_howto_type *));
1751
1752 typedef struct relent_chain {
1753   arelent relent;
1754   struct   relent_chain *next;
1755 } arelent_chain;
1756 bfd_reloc_status_type
1757
1758 bfd_check_overflow
1759  PARAMS ((enum complain_overflow how,
1760     unsigned int bitsize,
1761     unsigned int rightshift,
1762     unsigned int addrsize,
1763     bfd_vma relocation));
1764
1765 bfd_reloc_status_type
1766
1767 bfd_perform_relocation
1768  PARAMS ((bfd *abfd,
1769     arelent *reloc_entry,
1770     PTR data,
1771     asection *input_section,
1772     bfd *output_bfd,
1773     char **error_message));
1774
1775 bfd_reloc_status_type
1776
1777 bfd_install_relocation
1778  PARAMS ((bfd *abfd,
1779     arelent *reloc_entry,
1780     PTR data, bfd_vma data_start,
1781     asection *input_section,
1782     char **error_message));
1783
1784 enum bfd_reloc_code_real {
1785   _dummy_first_bfd_reloc_code_real,
1786
1787
1788 /* Basic absolute relocations of N bits. */
1789   BFD_RELOC_64,
1790   BFD_RELOC_32,
1791   BFD_RELOC_26,
1792   BFD_RELOC_24,
1793   BFD_RELOC_16,
1794   BFD_RELOC_14,
1795   BFD_RELOC_8,
1796
1797 /* PC-relative relocations.  Sometimes these are relative to the address
1798 of the relocation itself; sometimes they are relative to the start of
1799 the section containing the relocation.  It depends on the specific target.
1800
1801 The 24-bit relocation is used in some Intel 960 configurations. */
1802   BFD_RELOC_64_PCREL,
1803   BFD_RELOC_32_PCREL,
1804   BFD_RELOC_24_PCREL,
1805   BFD_RELOC_16_PCREL,
1806   BFD_RELOC_12_PCREL,
1807   BFD_RELOC_8_PCREL,
1808
1809 /* For ELF. */
1810   BFD_RELOC_32_GOT_PCREL,
1811   BFD_RELOC_16_GOT_PCREL,
1812   BFD_RELOC_8_GOT_PCREL,
1813   BFD_RELOC_32_GOTOFF,
1814   BFD_RELOC_16_GOTOFF,
1815   BFD_RELOC_LO16_GOTOFF,
1816   BFD_RELOC_HI16_GOTOFF,
1817   BFD_RELOC_HI16_S_GOTOFF,
1818   BFD_RELOC_8_GOTOFF,
1819   BFD_RELOC_32_PLT_PCREL,
1820   BFD_RELOC_24_PLT_PCREL,
1821   BFD_RELOC_16_PLT_PCREL,
1822   BFD_RELOC_8_PLT_PCREL,
1823   BFD_RELOC_32_PLTOFF,
1824   BFD_RELOC_16_PLTOFF,
1825   BFD_RELOC_LO16_PLTOFF,
1826   BFD_RELOC_HI16_PLTOFF,
1827   BFD_RELOC_HI16_S_PLTOFF,
1828   BFD_RELOC_8_PLTOFF,
1829
1830 /* Relocations used by 68K ELF. */
1831   BFD_RELOC_68K_GLOB_DAT,
1832   BFD_RELOC_68K_JMP_SLOT,
1833   BFD_RELOC_68K_RELATIVE,
1834
1835 /* Linkage-table relative. */
1836   BFD_RELOC_32_BASEREL,
1837   BFD_RELOC_16_BASEREL,
1838   BFD_RELOC_LO16_BASEREL,
1839   BFD_RELOC_HI16_BASEREL,
1840   BFD_RELOC_HI16_S_BASEREL,
1841   BFD_RELOC_8_BASEREL,
1842   BFD_RELOC_RVA,
1843
1844 /* Absolute 8-bit relocation, but used to form an address like 0xFFnn. */
1845   BFD_RELOC_8_FFnn,
1846
1847 /* These PC-relative relocations are stored as word displacements --
1848 i.e., byte displacements shifted right two bits.  The 30-bit word
1849 displacement (<<32_PCREL_S2>> -- 32 bits, shifted 2) is used on the
1850 SPARC.  (SPARC tools generally refer to this as <<WDISP30>>.)  The
1851 signed 16-bit displacement is used on the MIPS, and the 23-bit
1852 displacement is used on the Alpha. */
1853   BFD_RELOC_32_PCREL_S2,
1854   BFD_RELOC_16_PCREL_S2,
1855   BFD_RELOC_23_PCREL_S2,
1856
1857 /* High 22 bits and low 10 bits of 32-bit value, placed into lower bits of
1858 the target word.  These are used on the SPARC. */
1859   BFD_RELOC_HI22,
1860   BFD_RELOC_LO10,
1861
1862 /* For systems that allocate a Global Pointer register, these are
1863 displacements off that register.  These relocation types are
1864 handled specially, because the value the register will have is
1865 decided relatively late. */
1866   BFD_RELOC_GPREL16,
1867   BFD_RELOC_GPREL32,
1868
1869 /* Reloc types used for i960/b.out. */
1870   BFD_RELOC_I960_CALLJ,
1871
1872 /* SPARC ELF relocations.  There is probably some overlap with other
1873 relocation types already defined. */
1874   BFD_RELOC_NONE,
1875   BFD_RELOC_SPARC_WDISP22,
1876   BFD_RELOC_SPARC22,
1877   BFD_RELOC_SPARC13,
1878   BFD_RELOC_SPARC_GOT10,
1879   BFD_RELOC_SPARC_GOT13,
1880   BFD_RELOC_SPARC_GOT22,
1881   BFD_RELOC_SPARC_PC10,
1882   BFD_RELOC_SPARC_PC22,
1883   BFD_RELOC_SPARC_WPLT30,
1884   BFD_RELOC_SPARC_COPY,
1885   BFD_RELOC_SPARC_GLOB_DAT,
1886   BFD_RELOC_SPARC_JMP_SLOT,
1887   BFD_RELOC_SPARC_RELATIVE,
1888   BFD_RELOC_SPARC_UA32,
1889
1890 /* I think these are specific to SPARC a.out (e.g., Sun 4). */
1891   BFD_RELOC_SPARC_BASE13,
1892   BFD_RELOC_SPARC_BASE22,
1893
1894 /* SPARC64 relocations */
1895 #define BFD_RELOC_SPARC_64 BFD_RELOC_64
1896   BFD_RELOC_SPARC_10,
1897   BFD_RELOC_SPARC_11,
1898   BFD_RELOC_SPARC_OLO10,
1899   BFD_RELOC_SPARC_HH22,
1900   BFD_RELOC_SPARC_HM10,
1901   BFD_RELOC_SPARC_LM22,
1902   BFD_RELOC_SPARC_PC_HH22,
1903   BFD_RELOC_SPARC_PC_HM10,
1904   BFD_RELOC_SPARC_PC_LM22,
1905   BFD_RELOC_SPARC_WDISP16,
1906   BFD_RELOC_SPARC_WDISP19,
1907   BFD_RELOC_SPARC_7,
1908   BFD_RELOC_SPARC_6,
1909   BFD_RELOC_SPARC_5,
1910 #define BFD_RELOC_SPARC_DISP64 BFD_RELOC_64_PCREL
1911   BFD_RELOC_SPARC_PLT64,
1912   BFD_RELOC_SPARC_HIX22,
1913   BFD_RELOC_SPARC_LOX10,
1914   BFD_RELOC_SPARC_H44,
1915   BFD_RELOC_SPARC_M44,
1916   BFD_RELOC_SPARC_L44,
1917   BFD_RELOC_SPARC_REGISTER,
1918
1919 /* SPARC little endian relocation */
1920   BFD_RELOC_SPARC_REV32,
1921
1922 /* Alpha ECOFF and ELF relocations.  Some of these treat the symbol or
1923 "addend" in some special way.
1924 For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when
1925 writing; when reading, it will be the absolute section symbol.  The
1926 addend is the displacement in bytes of the "lda" instruction from
1927 the "ldah" instruction (which is at the address of this reloc). */
1928   BFD_RELOC_ALPHA_GPDISP_HI16,
1929
1930 /* For GPDISP_LO16 ("ignore") relocations, the symbol is handled as
1931 with GPDISP_HI16 relocs.  The addend is ignored when writing the
1932 relocations out, and is filled in with the file's GP value on
1933 reading, for convenience. */
1934   BFD_RELOC_ALPHA_GPDISP_LO16,
1935
1936 /* The ELF GPDISP relocation is exactly the same as the GPDISP_HI16
1937 relocation except that there is no accompanying GPDISP_LO16
1938 relocation. */
1939   BFD_RELOC_ALPHA_GPDISP,
1940
1941 /* The Alpha LITERAL/LITUSE relocs are produced by a symbol reference;
1942 the assembler turns it into a LDQ instruction to load the address of
1943 the symbol, and then fills in a register in the real instruction.
1944
1945 The LITERAL reloc, at the LDQ instruction, refers to the .lita
1946 section symbol.  The addend is ignored when writing, but is filled
1947 in with the file's GP value on reading, for convenience, as with the
1948 GPDISP_LO16 reloc.
1949
1950 The ELF_LITERAL reloc is somewhere between 16_GOTOFF and GPDISP_LO16.
1951 It should refer to the symbol to be referenced, as with 16_GOTOFF,
1952 but it generates output not based on the position within the .got
1953 section, but relative to the GP value chosen for the file during the
1954 final link stage.
1955
1956 The LITUSE reloc, on the instruction using the loaded address, gives
1957 information to the linker that it might be able to use to optimize
1958 away some literal section references.  The symbol is ignored (read
1959 as the absolute section symbol), and the "addend" indicates the type
1960 of instruction using the register:
1961 1 - "memory" fmt insn
1962 2 - byte-manipulation (byte offset reg)
1963 3 - jsr (target of branch)
1964
1965 The GNU linker currently doesn't do any of this optimizing. */
1966   BFD_RELOC_ALPHA_LITERAL,
1967   BFD_RELOC_ALPHA_ELF_LITERAL,
1968   BFD_RELOC_ALPHA_LITUSE,
1969
1970 /* The BFD_RELOC_ALPHA_USER_* relocations are used by the assembler to
1971 process the explicit !<reloc>!sequence relocations, and are mapped
1972 into the normal relocations at the end of processing. */
1973   BFD_RELOC_ALPHA_USER_LITERAL,
1974   BFD_RELOC_ALPHA_USER_LITUSE_BASE,
1975   BFD_RELOC_ALPHA_USER_LITUSE_BYTOFF,
1976   BFD_RELOC_ALPHA_USER_LITUSE_JSR,
1977   BFD_RELOC_ALPHA_USER_GPDISP,
1978   BFD_RELOC_ALPHA_USER_GPRELHIGH,
1979   BFD_RELOC_ALPHA_USER_GPRELLOW,
1980
1981 /* The HINT relocation indicates a value that should be filled into the
1982 "hint" field of a jmp/jsr/ret instruction, for possible branch-
1983 prediction logic which may be provided on some processors. */
1984   BFD_RELOC_ALPHA_HINT,
1985
1986 /* The LINKAGE relocation outputs a linkage pair in the object file,
1987 which is filled by the linker. */
1988   BFD_RELOC_ALPHA_LINKAGE,
1989
1990 /* The CODEADDR relocation outputs a STO_CA in the object file,
1991 which is filled by the linker. */
1992   BFD_RELOC_ALPHA_CODEADDR,
1993
1994 /* Bits 27..2 of the relocation address shifted right 2 bits;
1995 simple reloc otherwise. */
1996   BFD_RELOC_MIPS_JMP,
1997
1998 /* The MIPS16 jump instruction. */
1999   BFD_RELOC_MIPS16_JMP,
2000
2001 /* MIPS16 GP relative reloc. */
2002   BFD_RELOC_MIPS16_GPREL,
2003
2004 /* High 16 bits of 32-bit value; simple reloc. */
2005   BFD_RELOC_HI16,
2006
2007 /* High 16 bits of 32-bit value but the low 16 bits will be sign
2008 extended and added to form the final result.  If the low 16
2009 bits form a negative number, we need to add one to the high value
2010 to compensate for the borrow when the low bits are added. */
2011   BFD_RELOC_HI16_S,
2012
2013 /* Low 16 bits. */
2014   BFD_RELOC_LO16,
2015
2016 /* Like BFD_RELOC_HI16_S, but PC relative. */
2017   BFD_RELOC_PCREL_HI16_S,
2018
2019 /* Like BFD_RELOC_LO16, but PC relative. */
2020   BFD_RELOC_PCREL_LO16,
2021
2022 /* Relocation relative to the global pointer. */
2023 #define BFD_RELOC_MIPS_GPREL BFD_RELOC_GPREL16
2024
2025 /* Relocation against a MIPS literal section. */
2026   BFD_RELOC_MIPS_LITERAL,
2027
2028 /* MIPS ELF relocations. */
2029   BFD_RELOC_MIPS_GOT16,
2030   BFD_RELOC_MIPS_CALL16,
2031 #define BFD_RELOC_MIPS_GPREL32 BFD_RELOC_GPREL32
2032   BFD_RELOC_MIPS_GOT_HI16,
2033   BFD_RELOC_MIPS_GOT_LO16,
2034   BFD_RELOC_MIPS_CALL_HI16,
2035   BFD_RELOC_MIPS_CALL_LO16,
2036   BFD_RELOC_MIPS_SUB,
2037   BFD_RELOC_MIPS_GOT_PAGE,
2038   BFD_RELOC_MIPS_GOT_OFST,
2039   BFD_RELOC_MIPS_GOT_DISP,
2040
2041
2042 /* i386/elf relocations */
2043   BFD_RELOC_386_GOT32,
2044   BFD_RELOC_386_PLT32,
2045   BFD_RELOC_386_COPY,
2046   BFD_RELOC_386_GLOB_DAT,
2047   BFD_RELOC_386_JUMP_SLOT,
2048   BFD_RELOC_386_RELATIVE,
2049   BFD_RELOC_386_GOTOFF,
2050   BFD_RELOC_386_GOTPC,
2051
2052 /* ns32k relocations */
2053   BFD_RELOC_NS32K_IMM_8,
2054   BFD_RELOC_NS32K_IMM_16,
2055   BFD_RELOC_NS32K_IMM_32,
2056   BFD_RELOC_NS32K_IMM_8_PCREL,
2057   BFD_RELOC_NS32K_IMM_16_PCREL,
2058   BFD_RELOC_NS32K_IMM_32_PCREL,
2059   BFD_RELOC_NS32K_DISP_8,
2060   BFD_RELOC_NS32K_DISP_16,
2061   BFD_RELOC_NS32K_DISP_32,
2062   BFD_RELOC_NS32K_DISP_8_PCREL,
2063   BFD_RELOC_NS32K_DISP_16_PCREL,
2064   BFD_RELOC_NS32K_DISP_32_PCREL,
2065
2066 /* Picojava relocs.  Not all of these appear in object files. */
2067   BFD_RELOC_PJ_CODE_HI16,
2068   BFD_RELOC_PJ_CODE_LO16,
2069   BFD_RELOC_PJ_CODE_DIR16,
2070   BFD_RELOC_PJ_CODE_DIR32,
2071   BFD_RELOC_PJ_CODE_REL16,
2072   BFD_RELOC_PJ_CODE_REL32,
2073
2074 /* Power(rs6000) and PowerPC relocations. */
2075   BFD_RELOC_PPC_B26,
2076   BFD_RELOC_PPC_BA26,
2077   BFD_RELOC_PPC_TOC16,
2078   BFD_RELOC_PPC_B16,
2079   BFD_RELOC_PPC_B16_BRTAKEN,
2080   BFD_RELOC_PPC_B16_BRNTAKEN,
2081   BFD_RELOC_PPC_BA16,
2082   BFD_RELOC_PPC_BA16_BRTAKEN,
2083   BFD_RELOC_PPC_BA16_BRNTAKEN,
2084   BFD_RELOC_PPC_COPY,
2085   BFD_RELOC_PPC_GLOB_DAT,
2086   BFD_RELOC_PPC_JMP_SLOT,
2087   BFD_RELOC_PPC_RELATIVE,
2088   BFD_RELOC_PPC_LOCAL24PC,
2089   BFD_RELOC_PPC_EMB_NADDR32,
2090   BFD_RELOC_PPC_EMB_NADDR16,
2091   BFD_RELOC_PPC_EMB_NADDR16_LO,
2092   BFD_RELOC_PPC_EMB_NADDR16_HI,
2093   BFD_RELOC_PPC_EMB_NADDR16_HA,
2094   BFD_RELOC_PPC_EMB_SDAI16,
2095   BFD_RELOC_PPC_EMB_SDA2I16,
2096   BFD_RELOC_PPC_EMB_SDA2REL,
2097   BFD_RELOC_PPC_EMB_SDA21,
2098   BFD_RELOC_PPC_EMB_MRKREF,
2099   BFD_RELOC_PPC_EMB_RELSEC16,
2100   BFD_RELOC_PPC_EMB_RELST_LO,
2101   BFD_RELOC_PPC_EMB_RELST_HI,
2102   BFD_RELOC_PPC_EMB_RELST_HA,
2103   BFD_RELOC_PPC_EMB_BIT_FLD,
2104   BFD_RELOC_PPC_EMB_RELSDA,
2105
2106 /* IBM 370/390 relocations */
2107   BFD_RELOC_I370_D12,
2108
2109 /* The type of reloc used to build a contructor table - at the moment
2110 probably a 32 bit wide absolute relocation, but the target can choose.
2111 It generally does map to one of the other relocation types. */
2112   BFD_RELOC_CTOR,
2113
2114 /* ARM 26 bit pc-relative branch.  The lowest two bits must be zero and are
2115 not stored in the instruction. */
2116   BFD_RELOC_ARM_PCREL_BRANCH,
2117
2118 /* ARM 26 bit pc-relative branch.  The lowest bit must be zero and is
2119 not stored in the instruction.  The 2nd lowest bit comes from a 1 bit
2120 field in the instruction. */
2121   BFD_RELOC_ARM_PCREL_BLX,
2122
2123 /* Thumb 22 bit pc-relative branch.  The lowest bit must be zero and is
2124 not stored in the instruction.  The 2nd lowest bit comes from a 1 bit
2125 field in the instruction. */
2126   BFD_RELOC_THUMB_PCREL_BLX,
2127
2128 /* These relocs are only used within the ARM assembler.  They are not
2129 (at present) written to any object files. */
2130   BFD_RELOC_ARM_IMMEDIATE,
2131   BFD_RELOC_ARM_ADRL_IMMEDIATE,
2132   BFD_RELOC_ARM_OFFSET_IMM,
2133   BFD_RELOC_ARM_SHIFT_IMM,
2134   BFD_RELOC_ARM_SWI,
2135   BFD_RELOC_ARM_MULTI,
2136   BFD_RELOC_ARM_CP_OFF_IMM,
2137   BFD_RELOC_ARM_ADR_IMM,
2138   BFD_RELOC_ARM_LDR_IMM,
2139   BFD_RELOC_ARM_LITERAL,
2140   BFD_RELOC_ARM_IN_POOL,
2141   BFD_RELOC_ARM_OFFSET_IMM8,
2142   BFD_RELOC_ARM_HWLITERAL,
2143   BFD_RELOC_ARM_THUMB_ADD,
2144   BFD_RELOC_ARM_THUMB_IMM,
2145   BFD_RELOC_ARM_THUMB_SHIFT,
2146   BFD_RELOC_ARM_THUMB_OFFSET,
2147   BFD_RELOC_ARM_GOT12,
2148   BFD_RELOC_ARM_GOT32,
2149   BFD_RELOC_ARM_JUMP_SLOT,
2150   BFD_RELOC_ARM_COPY,
2151   BFD_RELOC_ARM_GLOB_DAT,
2152   BFD_RELOC_ARM_PLT32,
2153   BFD_RELOC_ARM_RELATIVE,
2154   BFD_RELOC_ARM_GOTOFF,
2155   BFD_RELOC_ARM_GOTPC,
2156
2157 /* Hitachi SH relocs.  Not all of these appear in object files. */
2158   BFD_RELOC_SH_PCDISP8BY2,
2159   BFD_RELOC_SH_PCDISP12BY2,
2160   BFD_RELOC_SH_IMM4,
2161   BFD_RELOC_SH_IMM4BY2,
2162   BFD_RELOC_SH_IMM4BY4,
2163   BFD_RELOC_SH_IMM8,
2164   BFD_RELOC_SH_IMM8BY2,
2165   BFD_RELOC_SH_IMM8BY4,
2166   BFD_RELOC_SH_PCRELIMM8BY2,
2167   BFD_RELOC_SH_PCRELIMM8BY4,
2168   BFD_RELOC_SH_SWITCH16,
2169   BFD_RELOC_SH_SWITCH32,
2170   BFD_RELOC_SH_USES,
2171   BFD_RELOC_SH_COUNT,
2172   BFD_RELOC_SH_ALIGN,
2173   BFD_RELOC_SH_CODE,
2174   BFD_RELOC_SH_DATA,
2175   BFD_RELOC_SH_LABEL,
2176   BFD_RELOC_SH_LOOP_START,
2177   BFD_RELOC_SH_LOOP_END,
2178   BFD_RELOC_SH_COPY,
2179   BFD_RELOC_SH_GLOB_DAT,
2180   BFD_RELOC_SH_JMP_SLOT,
2181   BFD_RELOC_SH_RELATIVE,
2182   BFD_RELOC_SH_GOTPC,
2183
2184 /* Thumb 23-, 12- and 9-bit pc-relative branches.  The lowest bit must
2185 be zero and is not stored in the instruction. */
2186   BFD_RELOC_THUMB_PCREL_BRANCH9,
2187   BFD_RELOC_THUMB_PCREL_BRANCH12,
2188   BFD_RELOC_THUMB_PCREL_BRANCH23,
2189
2190 /* Argonaut RISC Core (ARC) relocs.
2191 ARC 22 bit pc-relative branch.  The lowest two bits must be zero and are
2192 not stored in the instruction.  The high 20 bits are installed in bits 26
2193 through 7 of the instruction. */
2194   BFD_RELOC_ARC_B22_PCREL,
2195
2196 /* ARC 26 bit absolute branch.  The lowest two bits must be zero and are not
2197 stored in the instruction.  The high 24 bits are installed in bits 23
2198 through 0. */
2199   BFD_RELOC_ARC_B26,
2200
2201 /* Mitsubishi D10V relocs.
2202 This is a 10-bit reloc with the right 2 bits
2203 assumed to be 0. */
2204   BFD_RELOC_D10V_10_PCREL_R,
2205
2206 /* Mitsubishi D10V relocs.
2207 This is a 10-bit reloc with the right 2 bits
2208 assumed to be 0.  This is the same as the previous reloc
2209 except it is in the left container, i.e.,
2210 shifted left 15 bits. */
2211   BFD_RELOC_D10V_10_PCREL_L,
2212
2213 /* This is an 18-bit reloc with the right 2 bits
2214 assumed to be 0. */
2215   BFD_RELOC_D10V_18,
2216
2217 /* This is an 18-bit reloc with the right 2 bits
2218 assumed to be 0. */
2219   BFD_RELOC_D10V_18_PCREL,
2220
2221 /* Mitsubishi D30V relocs.
2222 This is a 6-bit absolute reloc. */
2223   BFD_RELOC_D30V_6,
2224
2225 /* This is a 6-bit pc-relative reloc with
2226 the right 3 bits assumed to be 0. */
2227   BFD_RELOC_D30V_9_PCREL,
2228
2229 /* This is a 6-bit pc-relative reloc with
2230 the right 3 bits assumed to be 0. Same
2231 as the previous reloc but on the right side
2232 of the container. */
2233   BFD_RELOC_D30V_9_PCREL_R,
2234
2235 /* This is a 12-bit absolute reloc with the
2236 right 3 bitsassumed to be 0. */
2237   BFD_RELOC_D30V_15,
2238
2239 /* This is a 12-bit pc-relative reloc with
2240 the right 3 bits assumed to be 0. */
2241   BFD_RELOC_D30V_15_PCREL,
2242
2243 /* This is a 12-bit pc-relative reloc with
2244 the right 3 bits assumed to be 0. Same
2245 as the previous reloc but on the right side
2246 of the container. */
2247   BFD_RELOC_D30V_15_PCREL_R,
2248
2249 /* This is an 18-bit absolute reloc with
2250 the right 3 bits assumed to be 0. */
2251   BFD_RELOC_D30V_21,
2252
2253 /* This is an 18-bit pc-relative reloc with
2254 the right 3 bits assumed to be 0. */
2255   BFD_RELOC_D30V_21_PCREL,
2256
2257 /* This is an 18-bit pc-relative reloc with
2258 the right 3 bits assumed to be 0. Same
2259 as the previous reloc but on the right side
2260 of the container. */
2261   BFD_RELOC_D30V_21_PCREL_R,
2262
2263 /* This is a 32-bit absolute reloc. */
2264   BFD_RELOC_D30V_32,
2265
2266 /* This is a 32-bit pc-relative reloc. */
2267   BFD_RELOC_D30V_32_PCREL,
2268
2269 /* Mitsubishi M32R relocs.
2270 This is a 24 bit absolute address. */
2271   BFD_RELOC_M32R_24,
2272
2273 /* This is a 10-bit pc-relative reloc with the right 2 bits assumed to be 0. */
2274   BFD_RELOC_M32R_10_PCREL,
2275
2276 /* This is an 18-bit reloc with the right 2 bits assumed to be 0. */
2277   BFD_RELOC_M32R_18_PCREL,
2278
2279 /* This is a 26-bit reloc with the right 2 bits assumed to be 0. */
2280   BFD_RELOC_M32R_26_PCREL,
2281
2282 /* This is a 16-bit reloc containing the high 16 bits of an address
2283 used when the lower 16 bits are treated as unsigned. */
2284   BFD_RELOC_M32R_HI16_ULO,
2285
2286 /* This is a 16-bit reloc containing the high 16 bits of an address
2287 used when the lower 16 bits are treated as signed. */
2288   BFD_RELOC_M32R_HI16_SLO,
2289
2290 /* This is a 16-bit reloc containing the lower 16 bits of an address. */
2291   BFD_RELOC_M32R_LO16,
2292
2293 /* This is a 16-bit reloc containing the small data area offset for use in
2294 add3, load, and store instructions. */
2295   BFD_RELOC_M32R_SDA16,
2296
2297 /* This is a 9-bit reloc */
2298   BFD_RELOC_V850_9_PCREL,
2299
2300 /* This is a 22-bit reloc */
2301   BFD_RELOC_V850_22_PCREL,
2302
2303 /* This is a 16 bit offset from the short data area pointer. */
2304   BFD_RELOC_V850_SDA_16_16_OFFSET,
2305
2306 /* This is a 16 bit offset (of which only 15 bits are used) from the
2307 short data area pointer. */
2308   BFD_RELOC_V850_SDA_15_16_OFFSET,
2309
2310 /* This is a 16 bit offset from the zero data area pointer. */
2311   BFD_RELOC_V850_ZDA_16_16_OFFSET,
2312
2313 /* This is a 16 bit offset (of which only 15 bits are used) from the
2314 zero data area pointer. */
2315   BFD_RELOC_V850_ZDA_15_16_OFFSET,
2316
2317 /* This is an 8 bit offset (of which only 6 bits are used) from the
2318 tiny data area pointer. */
2319   BFD_RELOC_V850_TDA_6_8_OFFSET,
2320
2321 /* This is an 8bit offset (of which only 7 bits are used) from the tiny
2322 data area pointer. */
2323   BFD_RELOC_V850_TDA_7_8_OFFSET,
2324
2325 /* This is a 7 bit offset from the tiny data area pointer. */
2326   BFD_RELOC_V850_TDA_7_7_OFFSET,
2327
2328 /* This is a 16 bit offset from the tiny data area pointer. */
2329   BFD_RELOC_V850_TDA_16_16_OFFSET,
2330
2331 /* This is a 5 bit offset (of which only 4 bits are used) from the tiny
2332 data area pointer. */
2333   BFD_RELOC_V850_TDA_4_5_OFFSET,
2334
2335 /* This is a 4 bit offset from the tiny data area pointer. */
2336   BFD_RELOC_V850_TDA_4_4_OFFSET,
2337
2338 /* This is a 16 bit offset from the short data area pointer, with the
2339 bits placed non-contigously in the instruction. */
2340   BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET,
2341
2342 /* This is a 16 bit offset from the zero data area pointer, with the
2343 bits placed non-contigously in the instruction. */
2344   BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET,
2345
2346 /* This is a 6 bit offset from the call table base pointer. */
2347   BFD_RELOC_V850_CALLT_6_7_OFFSET,
2348
2349 /* This is a 16 bit offset from the call table base pointer. */
2350   BFD_RELOC_V850_CALLT_16_16_OFFSET,
2351
2352
2353 /* This is a 32bit pcrel reloc for the mn10300, offset by two bytes in the
2354 instruction. */
2355   BFD_RELOC_MN10300_32_PCREL,
2356
2357 /* This is a 16bit pcrel reloc for the mn10300, offset by two bytes in the
2358 instruction. */
2359   BFD_RELOC_MN10300_16_PCREL,
2360
2361 /* This is a 8bit DP reloc for the tms320c30, where the most
2362 significant 8 bits of a 24 bit word are placed into the least
2363 significant 8 bits of the opcode. */
2364   BFD_RELOC_TIC30_LDP,
2365
2366 /* This is a 7bit reloc for the tms320c54x, where the least
2367 significant 7 bits of a 16 bit word are placed into the least
2368 significant 7 bits of the opcode. */
2369   BFD_RELOC_TIC54X_PARTLS7,
2370
2371 /* This is a 9bit DP reloc for the tms320c54x, where the most
2372 significant 9 bits of a 16 bit word are placed into the least
2373 significant 9 bits of the opcode. */
2374   BFD_RELOC_TIC54X_PARTMS9,
2375
2376 /* This is an extended address 23-bit reloc for the tms320c54x. */
2377   BFD_RELOC_TIC54X_23,
2378
2379 /* This is a 16-bit reloc for the tms320c54x, where the least
2380 significant 16 bits of a 23-bit extended address are placed into
2381 the opcode. */
2382   BFD_RELOC_TIC54X_16_OF_23,
2383
2384 /* This is a reloc for the tms320c54x, where the most
2385 significant 7 bits of a 23-bit extended address are placed into
2386 the opcode. */
2387   BFD_RELOC_TIC54X_MS7_OF_23,
2388
2389 /* This is a 48 bit reloc for the FR30 that stores 32 bits. */
2390   BFD_RELOC_FR30_48,
2391
2392 /* This is a 32 bit reloc for the FR30 that stores 20 bits split up into
2393 two sections. */
2394   BFD_RELOC_FR30_20,
2395
2396 /* This is a 16 bit reloc for the FR30 that stores a 6 bit word offset in
2397 4 bits. */
2398   BFD_RELOC_FR30_6_IN_4,
2399
2400 /* This is a 16 bit reloc for the FR30 that stores an 8 bit byte offset
2401 into 8 bits. */
2402   BFD_RELOC_FR30_8_IN_8,
2403
2404 /* This is a 16 bit reloc for the FR30 that stores a 9 bit short offset
2405 into 8 bits. */
2406   BFD_RELOC_FR30_9_IN_8,
2407
2408 /* This is a 16 bit reloc for the FR30 that stores a 10 bit word offset
2409 into 8 bits. */
2410   BFD_RELOC_FR30_10_IN_8,
2411
2412 /* This is a 16 bit reloc for the FR30 that stores a 9 bit pc relative
2413 short offset into 8 bits. */
2414   BFD_RELOC_FR30_9_PCREL,
2415
2416 /* This is a 16 bit reloc for the FR30 that stores a 12 bit pc relative
2417 short offset into 11 bits. */
2418   BFD_RELOC_FR30_12_PCREL,
2419
2420 /* Motorola Mcore relocations. */
2421   BFD_RELOC_MCORE_PCREL_IMM8BY4,
2422   BFD_RELOC_MCORE_PCREL_IMM11BY2,
2423   BFD_RELOC_MCORE_PCREL_IMM4BY2,
2424   BFD_RELOC_MCORE_PCREL_32,
2425   BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2,
2426   BFD_RELOC_MCORE_RVA,
2427
2428 /* This is a 16 bit reloc for the AVR that stores 8 bit pc relative
2429 short offset into 7 bits. */
2430   BFD_RELOC_AVR_7_PCREL,
2431
2432 /* This is a 16 bit reloc for the AVR that stores 13 bit pc relative
2433 short offset into 12 bits. */
2434   BFD_RELOC_AVR_13_PCREL,
2435
2436 /* This is a 16 bit reloc for the AVR that stores 17 bit value (usually
2437 program memory address) into 16 bits. */
2438   BFD_RELOC_AVR_16_PM,
2439
2440 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2441 data memory address) into 8 bit immediate value of LDI insn. */
2442   BFD_RELOC_AVR_LO8_LDI,
2443
2444 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2445 of data memory address) into 8 bit immediate value of LDI insn. */
2446   BFD_RELOC_AVR_HI8_LDI,
2447
2448 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2449 of program memory address) into 8 bit immediate value of LDI insn. */
2450   BFD_RELOC_AVR_HH8_LDI,
2451
2452 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2453 (usually data memory address) into 8 bit immediate value of SUBI insn. */
2454   BFD_RELOC_AVR_LO8_LDI_NEG,
2455
2456 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2457 (high 8 bit of data memory address) into 8 bit immediate value of
2458 SUBI insn. */
2459   BFD_RELOC_AVR_HI8_LDI_NEG,
2460
2461 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2462 (most high 8 bit of program memory address) into 8 bit immediate value
2463 of LDI or SUBI insn. */
2464   BFD_RELOC_AVR_HH8_LDI_NEG,
2465
2466 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2467 command address) into 8 bit immediate value of LDI insn. */
2468   BFD_RELOC_AVR_LO8_LDI_PM,
2469
2470 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2471 of command address) into 8 bit immediate value of LDI insn. */
2472   BFD_RELOC_AVR_HI8_LDI_PM,
2473
2474 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2475 of command address) into 8 bit immediate value of LDI insn. */
2476   BFD_RELOC_AVR_HH8_LDI_PM,
2477
2478 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2479 (usually command address) into 8 bit immediate value of SUBI insn. */
2480   BFD_RELOC_AVR_LO8_LDI_PM_NEG,
2481
2482 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2483 (high 8 bit of 16 bit command address) into 8 bit immediate value
2484 of SUBI insn. */
2485   BFD_RELOC_AVR_HI8_LDI_PM_NEG,
2486
2487 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2488 (high 6 bit of 22 bit command address) into 8 bit immediate
2489 value of SUBI insn. */
2490   BFD_RELOC_AVR_HH8_LDI_PM_NEG,
2491
2492 /* This is a 32 bit reloc for the AVR that stores 23 bit value
2493 into 22 bits. */
2494   BFD_RELOC_AVR_CALL,
2495
2496 /* These two relocations are used by the linker to determine which of
2497 the entries in a C++ virtual function table are actually used.  When
2498 the --gc-sections option is given, the linker will zero out the entries
2499 that are not used, so that the code for those functions need not be
2500 included in the output.
2501
2502 VTABLE_INHERIT is a zero-space relocation used to describe to the
2503 linker the inheritence tree of a C++ virtual function table.  The
2504 relocation's symbol should be the parent class' vtable, and the
2505 relocation should be located at the child vtable.
2506
2507 VTABLE_ENTRY is a zero-space relocation that describes the use of a
2508 virtual function table entry.  The reloc's symbol should refer to the
2509 table of the class mentioned in the code.  Off of that base, an offset
2510 describes the entry that is being used.  For Rela hosts, this offset
2511 is stored in the reloc's addend.  For Rel hosts, we are forced to put
2512 this offset in the reloc's section offset. */
2513   BFD_RELOC_VTABLE_INHERIT,
2514   BFD_RELOC_VTABLE_ENTRY,
2515
2516 /* Intel IA64 Relocations. */
2517   BFD_RELOC_IA64_IMM14,
2518   BFD_RELOC_IA64_IMM22,
2519   BFD_RELOC_IA64_IMM64,
2520   BFD_RELOC_IA64_DIR32MSB,
2521   BFD_RELOC_IA64_DIR32LSB,
2522   BFD_RELOC_IA64_DIR64MSB,
2523   BFD_RELOC_IA64_DIR64LSB,
2524   BFD_RELOC_IA64_GPREL22,
2525   BFD_RELOC_IA64_GPREL64I,
2526   BFD_RELOC_IA64_GPREL32MSB,
2527   BFD_RELOC_IA64_GPREL32LSB,
2528   BFD_RELOC_IA64_GPREL64MSB,
2529   BFD_RELOC_IA64_GPREL64LSB,
2530   BFD_RELOC_IA64_LTOFF22,
2531   BFD_RELOC_IA64_LTOFF64I,
2532   BFD_RELOC_IA64_PLTOFF22,
2533   BFD_RELOC_IA64_PLTOFF64I,
2534   BFD_RELOC_IA64_PLTOFF64MSB,
2535   BFD_RELOC_IA64_PLTOFF64LSB,
2536   BFD_RELOC_IA64_FPTR64I,
2537   BFD_RELOC_IA64_FPTR32MSB,
2538   BFD_RELOC_IA64_FPTR32LSB,
2539   BFD_RELOC_IA64_FPTR64MSB,
2540   BFD_RELOC_IA64_FPTR64LSB,
2541   BFD_RELOC_IA64_PCREL21B,
2542   BFD_RELOC_IA64_PCREL21BI,
2543   BFD_RELOC_IA64_PCREL21M,
2544   BFD_RELOC_IA64_PCREL21F,
2545   BFD_RELOC_IA64_PCREL22,
2546   BFD_RELOC_IA64_PCREL60B,
2547   BFD_RELOC_IA64_PCREL64I,
2548   BFD_RELOC_IA64_PCREL32MSB,
2549   BFD_RELOC_IA64_PCREL32LSB,
2550   BFD_RELOC_IA64_PCREL64MSB,
2551   BFD_RELOC_IA64_PCREL64LSB,
2552   BFD_RELOC_IA64_LTOFF_FPTR22,
2553   BFD_RELOC_IA64_LTOFF_FPTR64I,
2554   BFD_RELOC_IA64_LTOFF_FPTR64MSB,
2555   BFD_RELOC_IA64_LTOFF_FPTR64LSB,
2556   BFD_RELOC_IA64_SEGBASE,
2557   BFD_RELOC_IA64_SEGREL32MSB,
2558   BFD_RELOC_IA64_SEGREL32LSB,
2559   BFD_RELOC_IA64_SEGREL64MSB,
2560   BFD_RELOC_IA64_SEGREL64LSB,
2561   BFD_RELOC_IA64_SECREL32MSB,
2562   BFD_RELOC_IA64_SECREL32LSB,
2563   BFD_RELOC_IA64_SECREL64MSB,
2564   BFD_RELOC_IA64_SECREL64LSB,
2565   BFD_RELOC_IA64_REL32MSB,
2566   BFD_RELOC_IA64_REL32LSB,
2567   BFD_RELOC_IA64_REL64MSB,
2568   BFD_RELOC_IA64_REL64LSB,
2569   BFD_RELOC_IA64_LTV32MSB,
2570   BFD_RELOC_IA64_LTV32LSB,
2571   BFD_RELOC_IA64_LTV64MSB,
2572   BFD_RELOC_IA64_LTV64LSB,
2573   BFD_RELOC_IA64_IPLTMSB,
2574   BFD_RELOC_IA64_IPLTLSB,
2575   BFD_RELOC_IA64_EPLTMSB,
2576   BFD_RELOC_IA64_EPLTLSB,
2577   BFD_RELOC_IA64_COPY,
2578   BFD_RELOC_IA64_TPREL22,
2579   BFD_RELOC_IA64_TPREL64MSB,
2580   BFD_RELOC_IA64_TPREL64LSB,
2581   BFD_RELOC_IA64_LTOFF_TP22,
2582   BFD_RELOC_IA64_LTOFF22X,
2583   BFD_RELOC_IA64_LDXMOV,
2584
2585 /* Motorola 68HC11 reloc.
2586 This is the 8 bits high part of an absolute address. */
2587   BFD_RELOC_M68HC11_HI8,
2588
2589 /* Motorola 68HC11 reloc.
2590 This is the 8 bits low part of an absolute address. */
2591   BFD_RELOC_M68HC11_LO8,
2592
2593 /* Motorola 68HC11 reloc.
2594 This is the 3 bits of a value. */
2595   BFD_RELOC_M68HC11_3B,
2596
2597 /* These relocs are only used within the CRIS assembler.  They are not
2598 (at present) written to any object files. */
2599   BFD_RELOC_CRIS_BDISP8,
2600   BFD_RELOC_CRIS_UNSIGNED_5,
2601   BFD_RELOC_CRIS_SIGNED_6,
2602   BFD_RELOC_CRIS_UNSIGNED_6,
2603   BFD_RELOC_CRIS_UNSIGNED_4,
2604
2605 /* Intel i860 Relocations. */
2606   BFD_RELOC_860_COPY,
2607   BFD_RELOC_860_GLOB_DAT,
2608   BFD_RELOC_860_JUMP_SLOT,
2609   BFD_RELOC_860_RELATIVE,
2610   BFD_RELOC_860_PC26,
2611   BFD_RELOC_860_PLT26,
2612   BFD_RELOC_860_PC16,
2613   BFD_RELOC_860_LOW0,
2614   BFD_RELOC_860_SPLIT0,
2615   BFD_RELOC_860_LOW1,
2616   BFD_RELOC_860_SPLIT1,
2617   BFD_RELOC_860_LOW2,
2618   BFD_RELOC_860_SPLIT2,
2619   BFD_RELOC_860_LOW3,
2620   BFD_RELOC_860_LOGOT0,
2621   BFD_RELOC_860_SPGOT0,
2622   BFD_RELOC_860_LOGOT1,
2623   BFD_RELOC_860_SPGOT1,
2624   BFD_RELOC_860_LOGOTOFF0,
2625   BFD_RELOC_860_SPGOTOFF0,
2626   BFD_RELOC_860_LOGOTOFF1,
2627   BFD_RELOC_860_SPGOTOFF1,
2628   BFD_RELOC_860_LOGOTOFF2,
2629   BFD_RELOC_860_LOGOTOFF3,
2630   BFD_RELOC_860_LOPC,
2631   BFD_RELOC_860_HIGHADJ,
2632   BFD_RELOC_860_HAGOT,
2633   BFD_RELOC_860_HAGOTOFF,
2634   BFD_RELOC_860_HAPC,
2635   BFD_RELOC_860_HIGH,
2636   BFD_RELOC_860_HIGOT,
2637   BFD_RELOC_860_HIGOTOFF,
2638   BFD_RELOC_UNUSED };
2639 typedef enum bfd_reloc_code_real bfd_reloc_code_real_type;
2640 reloc_howto_type *
2641
2642 bfd_reloc_type_lookup  PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
2643
2644 const char *
2645 bfd_get_reloc_code_name  PARAMS ((bfd_reloc_code_real_type code));
2646
2647
2648 typedef struct symbol_cache_entry
2649 {
2650        /* A pointer to the BFD which owns the symbol. This information
2651           is necessary so that a back end can work out what additional
2652           information (invisible to the application writer) is carried
2653           with the symbol.
2654
2655           This field is *almost* redundant, since you can use section->owner
2656           instead, except that some symbols point to the global sections
2657           bfd_{abs,com,und}_section.  This could be fixed by making
2658           these globals be per-bfd (or per-target-flavor).  FIXME. */
2659
2660   struct _bfd *the_bfd; /* Use bfd_asymbol_bfd(sym) to access this field. */
2661
2662        /* The text of the symbol. The name is left alone, and not copied; the
2663           application may not alter it. */
2664   CONST char *name;
2665
2666        /* The value of the symbol.  This really should be a union of a
2667           numeric value with a pointer, since some flags indicate that
2668           a pointer to another symbol is stored here.  */
2669   symvalue value;
2670
2671        /* Attributes of a symbol: */
2672
2673 #define BSF_NO_FLAGS    0x00
2674
2675        /* The symbol has local scope; <<static>> in <<C>>. The value
2676           is the offset into the section of the data. */
2677 #define BSF_LOCAL      0x01
2678
2679        /* The symbol has global scope; initialized data in <<C>>. The
2680           value is the offset into the section of the data. */
2681 #define BSF_GLOBAL     0x02
2682
2683        /* The symbol has global scope and is exported. The value is
2684           the offset into the section of the data. */
2685 #define BSF_EXPORT     BSF_GLOBAL /* no real difference */
2686
2687        /* A normal C symbol would be one of:
2688           <<BSF_LOCAL>>, <<BSF_FORT_COMM>>,  <<BSF_UNDEFINED>> or
2689           <<BSF_GLOBAL>> */
2690
2691        /* The symbol is a debugging record. The value has an arbitary
2692           meaning, unless BSF_DEBUGGING_RELOC is also set.  */
2693 #define BSF_DEBUGGING  0x08
2694
2695        /* The symbol denotes a function entry point.  Used in ELF,
2696           perhaps others someday.  */
2697 #define BSF_FUNCTION    0x10
2698
2699        /* Used by the linker. */
2700 #define BSF_KEEP        0x20
2701 #define BSF_KEEP_G      0x40
2702
2703        /* A weak global symbol, overridable without warnings by
2704           a regular global symbol of the same name.  */
2705 #define BSF_WEAK        0x80
2706
2707        /* This symbol was created to point to a section, e.g. ELF's
2708           STT_SECTION symbols.  */
2709 #define BSF_SECTION_SYM 0x100
2710
2711        /* The symbol used to be a common symbol, but now it is
2712           allocated. */
2713 #define BSF_OLD_COMMON  0x200
2714
2715        /* The default value for common data. */
2716 #define BFD_FORT_COMM_DEFAULT_VALUE 0
2717
2718        /* In some files the type of a symbol sometimes alters its
2719           location in an output file - ie in coff a <<ISFCN>> symbol
2720           which is also <<C_EXT>> symbol appears where it was
2721           declared and not at the end of a section.  This bit is set
2722           by the target BFD part to convey this information. */
2723
2724 #define BSF_NOT_AT_END    0x400
2725
2726        /* Signal that the symbol is the label of constructor section. */
2727 #define BSF_CONSTRUCTOR   0x800
2728
2729        /* Signal that the symbol is a warning symbol.  The name is a
2730           warning.  The name of the next symbol is the one to warn about;
2731           if a reference is made to a symbol with the same name as the next
2732           symbol, a warning is issued by the linker. */
2733 #define BSF_WARNING       0x1000
2734
2735        /* Signal that the symbol is indirect.  This symbol is an indirect
2736           pointer to the symbol with the same name as the next symbol. */
2737 #define BSF_INDIRECT      0x2000
2738
2739        /* BSF_FILE marks symbols that contain a file name.  This is used
2740           for ELF STT_FILE symbols.  */
2741 #define BSF_FILE          0x4000
2742
2743        /* Symbol is from dynamic linking information.  */
2744 #define BSF_DYNAMIC       0x8000
2745
2746        /* The symbol denotes a data object.  Used in ELF, and perhaps
2747           others someday.  */
2748 #define BSF_OBJECT        0x10000
2749
2750        /* This symbol is a debugging symbol.  The value is the offset
2751           into the section of the data.  BSF_DEBUGGING should be set
2752           as well.  */
2753 #define BSF_DEBUGGING_RELOC 0x20000
2754
2755   flagword flags;
2756
2757        /* A pointer to the section to which this symbol is
2758           relative.  This will always be non NULL, there are special
2759           sections for undefined and absolute symbols.  */
2760   struct sec *section;
2761
2762        /* Back end special data.  */
2763   union
2764     {
2765       PTR p;
2766       bfd_vma i;
2767     } udata;
2768
2769 } asymbol;
2770 #define bfd_get_symtab_upper_bound(abfd) \
2771      BFD_SEND (abfd, _bfd_get_symtab_upper_bound, (abfd))
2772 boolean
2773 bfd_is_local_label PARAMS ((bfd *abfd, asymbol *sym));
2774
2775 boolean
2776 bfd_is_local_label_name PARAMS ((bfd *abfd, const char *name));
2777
2778 #define bfd_is_local_label_name(abfd, name) \
2779      BFD_SEND (abfd, _bfd_is_local_label_name, (abfd, name))
2780 #define bfd_canonicalize_symtab(abfd, location) \
2781      BFD_SEND (abfd, _bfd_canonicalize_symtab,\
2782                   (abfd, location))
2783 boolean
2784 bfd_set_symtab  PARAMS ((bfd *abfd, asymbol **location, unsigned int count));
2785
2786 void
2787 bfd_print_symbol_vandf PARAMS ((PTR file, asymbol *symbol));
2788
2789 #define bfd_make_empty_symbol(abfd) \
2790      BFD_SEND (abfd, _bfd_make_empty_symbol, (abfd))
2791 #define bfd_make_debug_symbol(abfd,ptr,size) \
2792         BFD_SEND (abfd, _bfd_make_debug_symbol, (abfd, ptr, size))
2793 int
2794 bfd_decode_symclass PARAMS ((asymbol *symbol));
2795
2796 boolean
2797 bfd_is_undefined_symclass  PARAMS ((int symclass));
2798
2799 void
2800 bfd_symbol_info PARAMS ((asymbol *symbol, symbol_info *ret));
2801
2802 boolean
2803 bfd_copy_private_symbol_data PARAMS ((bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym));
2804
2805 #define bfd_copy_private_symbol_data(ibfd, isymbol, obfd, osymbol) \
2806      BFD_SEND (obfd, _bfd_copy_private_symbol_data, \
2807                (ibfd, isymbol, obfd, osymbol))
2808 struct _bfd
2809 {
2810     /* The filename the application opened the BFD with.  */
2811     CONST char *filename;
2812
2813     /* A pointer to the target jump table.             */
2814     const struct bfd_target *xvec;
2815
2816     /* To avoid dragging too many header files into every file that
2817        includes `<<bfd.h>>', IOSTREAM has been declared as a "char
2818        *", and MTIME as a "long".  Their correct types, to which they
2819        are cast when used, are "FILE *" and "time_t".    The iostream
2820        is the result of an fopen on the filename.  However, if the
2821        BFD_IN_MEMORY flag is set, then iostream is actually a pointer
2822        to a bfd_in_memory struct.  */
2823     PTR iostream;
2824
2825     /* Is the file descriptor being cached?  That is, can it be closed as
2826        needed, and re-opened when accessed later?  */
2827
2828     boolean cacheable;
2829
2830     /* Marks whether there was a default target specified when the
2831        BFD was opened. This is used to select which matching algorithm
2832        to use to choose the back end. */
2833
2834     boolean target_defaulted;
2835
2836     /* The caching routines use these to maintain a
2837        least-recently-used list of BFDs */
2838
2839     struct _bfd *lru_prev, *lru_next;
2840
2841     /* When a file is closed by the caching routines, BFD retains
2842        state information on the file here: */
2843
2844     file_ptr where;
2845
2846     /* and here: (``once'' means at least once) */
2847
2848     boolean opened_once;
2849
2850     /* Set if we have a locally maintained mtime value, rather than
2851        getting it from the file each time: */
2852
2853     boolean mtime_set;
2854
2855     /* File modified time, if mtime_set is true: */
2856
2857     long mtime;
2858
2859     /* Reserved for an unimplemented file locking extension.*/
2860
2861     int ifd;
2862
2863     /* The format which belongs to the BFD. (object, core, etc.) */
2864
2865     bfd_format format;
2866
2867     /* The direction the BFD was opened with*/
2868
2869     enum bfd_direction {no_direction = 0,
2870                         read_direction = 1,
2871                         write_direction = 2,
2872                         both_direction = 3} direction;
2873
2874     /* Format_specific flags*/
2875
2876     flagword flags;
2877
2878     /* Currently my_archive is tested before adding origin to
2879        anything. I believe that this can become always an add of
2880        origin, with origin set to 0 for non archive files.   */
2881
2882     file_ptr origin;
2883
2884     /* Remember when output has begun, to stop strange things
2885        from happening. */
2886     boolean output_has_begun;
2887
2888     /* Pointer to linked list of sections*/
2889     struct sec  *sections;
2890
2891     /* The number of sections */
2892     unsigned int section_count;
2893
2894     /* Stuff only useful for object files:
2895        The start address. */
2896     bfd_vma start_address;
2897
2898     /* Used for input and output*/
2899     unsigned int symcount;
2900
2901     /* Symbol table for output BFD (with symcount entries) */
2902     struct symbol_cache_entry  **outsymbols;
2903
2904     /* Pointer to structure which contains architecture information*/
2905     const struct bfd_arch_info *arch_info;
2906
2907     /* Stuff only useful for archives:*/
2908     PTR arelt_data;
2909     struct _bfd *my_archive;     /* The containing archive BFD.  */
2910     struct _bfd *next;           /* The next BFD in the archive.  */
2911     struct _bfd *archive_head;   /* The first BFD in the archive.  */
2912     boolean has_armap;
2913
2914     /* A chain of BFD structures involved in a link.  */
2915     struct _bfd *link_next;
2916
2917     /* A field used by _bfd_generic_link_add_archive_symbols.  This will
2918        be used only for archive elements.  */
2919     int archive_pass;
2920
2921     /* Used by the back end to hold private data. */
2922
2923     union
2924       {
2925       struct aout_data_struct *aout_data;
2926       struct artdata *aout_ar_data;
2927       struct _oasys_data *oasys_obj_data;
2928       struct _oasys_ar_data *oasys_ar_data;
2929       struct coff_tdata *coff_obj_data;
2930       struct pe_tdata *pe_obj_data;
2931       struct xcoff_tdata *xcoff_obj_data;
2932       struct ecoff_tdata *ecoff_obj_data;
2933       struct ieee_data_struct *ieee_data;
2934       struct ieee_ar_data_struct *ieee_ar_data;
2935       struct srec_data_struct *srec_data;
2936       struct ihex_data_struct *ihex_data;
2937       struct tekhex_data_struct *tekhex_data;
2938       struct elf_obj_tdata *elf_obj_data;
2939       struct nlm_obj_tdata *nlm_obj_data;
2940       struct bout_data_struct *bout_data;
2941       struct sun_core_struct *sun_core_data;
2942       struct sco5_core_struct *sco5_core_data;
2943       struct trad_core_struct *trad_core_data;
2944       struct som_data_struct *som_data;
2945       struct hpux_core_struct *hpux_core_data;
2946       struct hppabsd_core_struct *hppabsd_core_data;
2947       struct sgi_core_struct *sgi_core_data;
2948       struct lynx_core_struct *lynx_core_data;
2949       struct osf_core_struct *osf_core_data;
2950       struct cisco_core_struct *cisco_core_data;
2951       struct versados_data_struct *versados_data;
2952       struct netbsd_core_struct *netbsd_core_data;
2953       PTR any;
2954       } tdata;
2955
2956     /* Used by the application to hold private data*/
2957     PTR usrdata;
2958
2959   /* Where all the allocated stuff under this BFD goes.  This is a
2960      struct objalloc *, but we use PTR to avoid requiring the inclusion of
2961      objalloc.h.  */
2962     PTR memory;
2963 };
2964
2965 typedef enum bfd_error
2966 {
2967   bfd_error_no_error = 0,
2968   bfd_error_system_call,
2969   bfd_error_invalid_target,
2970   bfd_error_wrong_format,
2971   bfd_error_invalid_operation,
2972   bfd_error_no_memory,
2973   bfd_error_no_symbols,
2974   bfd_error_no_armap,
2975   bfd_error_no_more_archived_files,
2976   bfd_error_malformed_archive,
2977   bfd_error_file_not_recognized,
2978   bfd_error_file_ambiguously_recognized,
2979   bfd_error_no_contents,
2980   bfd_error_nonrepresentable_section,
2981   bfd_error_no_debug_section,
2982   bfd_error_bad_value,
2983   bfd_error_file_truncated,
2984   bfd_error_file_too_big,
2985   bfd_error_invalid_error_code
2986 } bfd_error_type;
2987
2988 bfd_error_type
2989 bfd_get_error  PARAMS ((void));
2990
2991 void
2992 bfd_set_error  PARAMS ((bfd_error_type error_tag));
2993
2994 CONST char *
2995 bfd_errmsg  PARAMS ((bfd_error_type error_tag));
2996
2997 void
2998 bfd_perror  PARAMS ((CONST char *message));
2999
3000 typedef void (*bfd_error_handler_type) PARAMS ((const char *, ...));
3001
3002 bfd_error_handler_type
3003 bfd_set_error_handler  PARAMS ((bfd_error_handler_type));
3004
3005 void
3006 bfd_set_error_program_name  PARAMS ((const char *));
3007
3008 bfd_error_handler_type
3009 bfd_get_error_handler  PARAMS ((void));
3010
3011 long
3012 bfd_get_reloc_upper_bound PARAMS ((bfd *abfd, asection *sect));
3013
3014 long
3015 bfd_canonicalize_reloc
3016  PARAMS ((bfd *abfd,
3017     asection *sec,
3018     arelent **loc,
3019     asymbol **syms));
3020
3021 void
3022 bfd_set_reloc
3023  PARAMS ((bfd *abfd, asection *sec, arelent **rel, unsigned int count)
3024
3025     );
3026
3027 boolean
3028 bfd_set_file_flags PARAMS ((bfd *abfd, flagword flags));
3029
3030 int
3031 bfd_get_arch_size  PARAMS ((bfd *abfd));
3032
3033 int
3034 bfd_get_sign_extend_vma  PARAMS ((bfd *abfd));
3035
3036 boolean
3037 bfd_set_start_address PARAMS ((bfd *abfd, bfd_vma vma));
3038
3039 long
3040 bfd_get_mtime PARAMS ((bfd *abfd));
3041
3042 long
3043 bfd_get_size PARAMS ((bfd *abfd));
3044
3045 int
3046 bfd_get_gp_size PARAMS ((bfd *abfd));
3047
3048 void
3049 bfd_set_gp_size PARAMS ((bfd *abfd, int i));
3050
3051 bfd_vma
3052 bfd_scan_vma PARAMS ((CONST char *string, CONST char **end, int base));
3053
3054 boolean
3055 bfd_copy_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd));
3056
3057 #define bfd_copy_private_bfd_data(ibfd, obfd) \
3058      BFD_SEND (obfd, _bfd_copy_private_bfd_data, \
3059                (ibfd, obfd))
3060 boolean
3061 bfd_merge_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd));
3062
3063 #define bfd_merge_private_bfd_data(ibfd, obfd) \
3064      BFD_SEND (obfd, _bfd_merge_private_bfd_data, \
3065                (ibfd, obfd))
3066 boolean
3067 bfd_set_private_flags PARAMS ((bfd *abfd, flagword flags));
3068
3069 #define bfd_set_private_flags(abfd, flags) \
3070      BFD_SEND (abfd, _bfd_set_private_flags, \
3071                (abfd, flags))
3072 #define bfd_sizeof_headers(abfd, reloc) \
3073      BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, reloc))
3074
3075 #define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \
3076      BFD_SEND (abfd, _bfd_find_nearest_line,  (abfd, sec, syms, off, file, func, line))
3077
3078        /* Do these three do anything useful at all, for any back end?  */
3079 #define bfd_debug_info_start(abfd) \
3080         BFD_SEND (abfd, _bfd_debug_info_start, (abfd))
3081
3082 #define bfd_debug_info_end(abfd) \
3083         BFD_SEND (abfd, _bfd_debug_info_end, (abfd))
3084
3085 #define bfd_debug_info_accumulate(abfd, section) \
3086         BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section))
3087
3088
3089 #define bfd_stat_arch_elt(abfd, stat) \
3090         BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat))
3091
3092 #define bfd_update_armap_timestamp(abfd) \
3093         BFD_SEND (abfd, _bfd_update_armap_timestamp, (abfd))
3094
3095 #define bfd_set_arch_mach(abfd, arch, mach)\
3096         BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach))
3097
3098 #define bfd_relax_section(abfd, section, link_info, again) \
3099        BFD_SEND (abfd, _bfd_relax_section, (abfd, section, link_info, again))
3100
3101 #define bfd_gc_sections(abfd, link_info) \
3102        BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info))
3103
3104 #define bfd_link_hash_table_create(abfd) \
3105        BFD_SEND (abfd, _bfd_link_hash_table_create, (abfd))
3106
3107 #define bfd_link_add_symbols(abfd, info) \
3108        BFD_SEND (abfd, _bfd_link_add_symbols, (abfd, info))
3109
3110 #define bfd_final_link(abfd, info) \
3111        BFD_SEND (abfd, _bfd_final_link, (abfd, info))
3112
3113 #define bfd_free_cached_info(abfd) \
3114        BFD_SEND (abfd, _bfd_free_cached_info, (abfd))
3115
3116 #define bfd_get_dynamic_symtab_upper_bound(abfd) \
3117        BFD_SEND (abfd, _bfd_get_dynamic_symtab_upper_bound, (abfd))
3118
3119 #define bfd_print_private_bfd_data(abfd, file)\
3120        BFD_SEND (abfd, _bfd_print_private_bfd_data, (abfd, file))
3121
3122 #define bfd_canonicalize_dynamic_symtab(abfd, asymbols) \
3123        BFD_SEND (abfd, _bfd_canonicalize_dynamic_symtab, (abfd, asymbols))
3124
3125 #define bfd_get_dynamic_reloc_upper_bound(abfd) \
3126        BFD_SEND (abfd, _bfd_get_dynamic_reloc_upper_bound, (abfd))
3127
3128 #define bfd_canonicalize_dynamic_reloc(abfd, arels, asyms) \
3129        BFD_SEND (abfd, _bfd_canonicalize_dynamic_reloc, (abfd, arels, asyms))
3130
3131 extern bfd_byte *bfd_get_relocated_section_contents
3132        PARAMS ((bfd *, struct bfd_link_info *,
3133                  struct bfd_link_order *, bfd_byte *,
3134                  boolean, asymbol **));
3135
3136 symindex
3137 bfd_get_next_mapent PARAMS ((bfd *abfd, symindex previous, carsym **sym));
3138
3139 boolean
3140 bfd_set_archive_head PARAMS ((bfd *output, bfd *new_head));
3141
3142 bfd *
3143 bfd_openr_next_archived_file PARAMS ((bfd *archive, bfd *previous));
3144
3145 CONST char *
3146 bfd_core_file_failing_command PARAMS ((bfd *abfd));
3147
3148 int
3149 bfd_core_file_failing_signal PARAMS ((bfd *abfd));
3150
3151 boolean
3152 core_file_matches_executable_p
3153  PARAMS ((bfd *core_bfd, bfd *exec_bfd));
3154
3155 #define BFD_SEND(bfd, message, arglist) \
3156                ((*((bfd)->xvec->message)) arglist)
3157
3158 #ifdef DEBUG_BFD_SEND
3159 #undef BFD_SEND
3160 #define BFD_SEND(bfd, message, arglist) \
3161   (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3162     ((*((bfd)->xvec->message)) arglist) : \
3163     (bfd_assert (__FILE__,__LINE__), NULL))
3164 #endif
3165 #define BFD_SEND_FMT(bfd, message, arglist) \
3166             (((bfd)->xvec->message[(int)((bfd)->format)]) arglist)
3167
3168 #ifdef DEBUG_BFD_SEND
3169 #undef BFD_SEND_FMT
3170 #define BFD_SEND_FMT(bfd, message, arglist) \
3171   (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3172    (((bfd)->xvec->message[(int)((bfd)->format)]) arglist) : \
3173    (bfd_assert (__FILE__,__LINE__), NULL))
3174 #endif
3175 enum bfd_flavour {
3176   bfd_target_unknown_flavour,
3177   bfd_target_aout_flavour,
3178   bfd_target_coff_flavour,
3179   bfd_target_ecoff_flavour,
3180   bfd_target_xcoff_flavour,
3181   bfd_target_elf_flavour,
3182   bfd_target_ieee_flavour,
3183   bfd_target_nlm_flavour,
3184   bfd_target_oasys_flavour,
3185   bfd_target_tekhex_flavour,
3186   bfd_target_srec_flavour,
3187   bfd_target_ihex_flavour,
3188   bfd_target_som_flavour,
3189   bfd_target_os9k_flavour,
3190   bfd_target_versados_flavour,
3191   bfd_target_msdos_flavour,
3192   bfd_target_ovax_flavour,
3193   bfd_target_evax_flavour
3194 };
3195
3196 enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN };
3197
3198 /* Forward declaration.  */
3199 typedef struct bfd_link_info _bfd_link_info;
3200
3201 typedef struct bfd_target
3202 {
3203   char *name;
3204   enum bfd_flavour flavour;
3205   enum bfd_endian byteorder;
3206   enum bfd_endian header_byteorder;
3207   flagword object_flags;
3208   flagword section_flags;
3209   char symbol_leading_char;
3210   char ar_pad_char;
3211   unsigned short ar_max_namelen;
3212   bfd_vma      (*bfd_getx64) PARAMS ((const bfd_byte *));
3213   bfd_signed_vma (*bfd_getx_signed_64) PARAMS ((const bfd_byte *));
3214   void         (*bfd_putx64) PARAMS ((bfd_vma, bfd_byte *));
3215   bfd_vma      (*bfd_getx32) PARAMS ((const bfd_byte *));
3216   bfd_signed_vma (*bfd_getx_signed_32) PARAMS ((const bfd_byte *));
3217   void         (*bfd_putx32) PARAMS ((bfd_vma, bfd_byte *));
3218   bfd_vma      (*bfd_getx16) PARAMS ((const bfd_byte *));
3219   bfd_signed_vma (*bfd_getx_signed_16) PARAMS ((const bfd_byte *));
3220   void         (*bfd_putx16) PARAMS ((bfd_vma, bfd_byte *));
3221   bfd_vma      (*bfd_h_getx64) PARAMS ((const bfd_byte *));
3222   bfd_signed_vma (*bfd_h_getx_signed_64) PARAMS ((const bfd_byte *));
3223   void         (*bfd_h_putx64) PARAMS ((bfd_vma, bfd_byte *));
3224   bfd_vma      (*bfd_h_getx32) PARAMS ((const bfd_byte *));
3225   bfd_signed_vma (*bfd_h_getx_signed_32) PARAMS ((const bfd_byte *));
3226   void         (*bfd_h_putx32) PARAMS ((bfd_vma, bfd_byte *));
3227   bfd_vma      (*bfd_h_getx16) PARAMS ((const bfd_byte *));
3228   bfd_signed_vma (*bfd_h_getx_signed_16) PARAMS ((const bfd_byte *));
3229   void         (*bfd_h_putx16) PARAMS ((bfd_vma, bfd_byte *));
3230   const struct bfd_target *(*_bfd_check_format[bfd_type_end]) PARAMS ((bfd *));
3231   boolean             (*_bfd_set_format[bfd_type_end]) PARAMS ((bfd *));
3232   boolean             (*_bfd_write_contents[bfd_type_end]) PARAMS ((bfd *));
3233
3234   /* Generic entry points.  */
3235 #define BFD_JUMP_TABLE_GENERIC(NAME)\
3236 CAT(NAME,_close_and_cleanup),\
3237 CAT(NAME,_bfd_free_cached_info),\
3238 CAT(NAME,_new_section_hook),\
3239 CAT(NAME,_get_section_contents),\
3240 CAT(NAME,_get_section_contents_in_window)
3241
3242   /* Called when the BFD is being closed to do any necessary cleanup.  */
3243   boolean       (*_close_and_cleanup) PARAMS ((bfd *));
3244   /* Ask the BFD to free all cached information.  */
3245   boolean (*_bfd_free_cached_info) PARAMS ((bfd *));
3246   /* Called when a new section is created.  */
3247   boolean       (*_new_section_hook) PARAMS ((bfd *, sec_ptr));
3248   /* Read the contents of a section.  */
3249   boolean       (*_bfd_get_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
3250                                             file_ptr, bfd_size_type));
3251   boolean       (*_bfd_get_section_contents_in_window)
3252                           PARAMS ((bfd *, sec_ptr, bfd_window *,
3253                                    file_ptr, bfd_size_type));
3254
3255   /* Entry points to copy private data.  */
3256 #define BFD_JUMP_TABLE_COPY(NAME)\
3257 CAT(NAME,_bfd_copy_private_bfd_data),\
3258 CAT(NAME,_bfd_merge_private_bfd_data),\
3259 CAT(NAME,_bfd_copy_private_section_data),\
3260 CAT(NAME,_bfd_copy_private_symbol_data),\
3261 CAT(NAME,_bfd_set_private_flags),\
3262 CAT(NAME,_bfd_print_private_bfd_data)\
3263   /* Called to copy BFD general private data from one object file
3264      to another.  */
3265   boolean       (*_bfd_copy_private_bfd_data) PARAMS ((bfd *, bfd *));
3266   /* Called to merge BFD general private data from one object file
3267      to a common output file when linking.  */
3268   boolean       (*_bfd_merge_private_bfd_data) PARAMS ((bfd *, bfd *));
3269   /* Called to copy BFD private section data from one object file
3270      to another.  */
3271   boolean       (*_bfd_copy_private_section_data) PARAMS ((bfd *, sec_ptr,
3272                                                        bfd *, sec_ptr));
3273   /* Called to copy BFD private symbol data from one symbol
3274      to another.  */
3275   boolean       (*_bfd_copy_private_symbol_data) PARAMS ((bfd *, asymbol *,
3276                                                           bfd *, asymbol *));
3277   /* Called to set private backend flags */
3278   boolean       (*_bfd_set_private_flags) PARAMS ((bfd *, flagword));
3279
3280   /* Called to print private BFD data */
3281   boolean       (*_bfd_print_private_bfd_data) PARAMS ((bfd *, PTR));
3282
3283   /* Core file entry points.  */
3284 #define BFD_JUMP_TABLE_CORE(NAME)\
3285 CAT(NAME,_core_file_failing_command),\
3286 CAT(NAME,_core_file_failing_signal),\
3287 CAT(NAME,_core_file_matches_executable_p)
3288   char *   (*_core_file_failing_command) PARAMS ((bfd *));
3289   int      (*_core_file_failing_signal) PARAMS ((bfd *));
3290   boolean  (*_core_file_matches_executable_p) PARAMS ((bfd *, bfd *));
3291
3292   /* Archive entry points.  */
3293 #define BFD_JUMP_TABLE_ARCHIVE(NAME)\
3294 CAT(NAME,_slurp_armap),\
3295 CAT(NAME,_slurp_extended_name_table),\
3296 CAT(NAME,_construct_extended_name_table),\
3297 CAT(NAME,_truncate_arname),\
3298 CAT(NAME,_write_armap),\
3299 CAT(NAME,_read_ar_hdr),\
3300 CAT(NAME,_openr_next_archived_file),\
3301 CAT(NAME,_get_elt_at_index),\
3302 CAT(NAME,_generic_stat_arch_elt),\
3303 CAT(NAME,_update_armap_timestamp)
3304   boolean  (*_bfd_slurp_armap) PARAMS ((bfd *));
3305   boolean  (*_bfd_slurp_extended_name_table) PARAMS ((bfd *));
3306   boolean  (*_bfd_construct_extended_name_table)
3307              PARAMS ((bfd *, char **, bfd_size_type *, const char **));
3308   void     (*_bfd_truncate_arname) PARAMS ((bfd *, CONST char *, char *));
3309   boolean  (*write_armap) PARAMS ((bfd *arch,
3310                               unsigned int elength,
3311                               struct orl *map,
3312                               unsigned int orl_count,
3313                               int stridx));
3314   PTR (*_bfd_read_ar_hdr_fn) PARAMS ((bfd *));
3315   bfd *    (*openr_next_archived_file) PARAMS ((bfd *arch, bfd *prev));
3316 #define bfd_get_elt_at_index(b,i) BFD_SEND(b, _bfd_get_elt_at_index, (b,i))
3317   bfd *    (*_bfd_get_elt_at_index) PARAMS ((bfd *, symindex));
3318   int      (*_bfd_stat_arch_elt) PARAMS ((bfd *, struct stat *));
3319   boolean  (*_bfd_update_armap_timestamp) PARAMS ((bfd *));
3320
3321   /* Entry points used for symbols.  */
3322 #define BFD_JUMP_TABLE_SYMBOLS(NAME)\
3323 CAT(NAME,_get_symtab_upper_bound),\
3324 CAT(NAME,_get_symtab),\
3325 CAT(NAME,_make_empty_symbol),\
3326 CAT(NAME,_print_symbol),\
3327 CAT(NAME,_get_symbol_info),\
3328 CAT(NAME,_bfd_is_local_label_name),\
3329 CAT(NAME,_get_lineno),\
3330 CAT(NAME,_find_nearest_line),\
3331 CAT(NAME,_bfd_make_debug_symbol),\
3332 CAT(NAME,_read_minisymbols),\
3333 CAT(NAME,_minisymbol_to_symbol)
3334   long  (*_bfd_get_symtab_upper_bound) PARAMS ((bfd *));
3335   long  (*_bfd_canonicalize_symtab) PARAMS ((bfd *,
3336                                              struct symbol_cache_entry **));
3337   struct symbol_cache_entry  *
3338                 (*_bfd_make_empty_symbol) PARAMS ((bfd *));
3339   void          (*_bfd_print_symbol) PARAMS ((bfd *, PTR,
3340                                       struct symbol_cache_entry *,
3341                                       bfd_print_symbol_type));
3342 #define bfd_print_symbol(b,p,s,e) BFD_SEND(b, _bfd_print_symbol, (b,p,s,e))
3343   void          (*_bfd_get_symbol_info) PARAMS ((bfd *,
3344                                       struct symbol_cache_entry *,
3345                                       symbol_info *));
3346 #define bfd_get_symbol_info(b,p,e) BFD_SEND(b, _bfd_get_symbol_info, (b,p,e))
3347   boolean       (*_bfd_is_local_label_name) PARAMS ((bfd *, const char *));
3348
3349   alent *    (*_get_lineno) PARAMS ((bfd *, struct symbol_cache_entry *));
3350   boolean    (*_bfd_find_nearest_line) PARAMS ((bfd *abfd,
3351                     struct sec *section, struct symbol_cache_entry **symbols,
3352                     bfd_vma offset, CONST char **file, CONST char **func,
3353                     unsigned int *line));
3354  /* Back-door to allow format-aware applications to create debug symbols
3355     while using BFD for everything else.  Currently used by the assembler
3356     when creating COFF files.  */
3357   asymbol *  (*_bfd_make_debug_symbol) PARAMS ((
3358        bfd *abfd,
3359        void *ptr,
3360        unsigned long size));
3361 #define bfd_read_minisymbols(b, d, m, s) \
3362   BFD_SEND (b, _read_minisymbols, (b, d, m, s))
3363   long  (*_read_minisymbols) PARAMS ((bfd *, boolean, PTR *,
3364                                       unsigned int *));
3365 #define bfd_minisymbol_to_symbol(b, d, m, f) \
3366   BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f))
3367   asymbol *(*_minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
3368                                              asymbol *));
3369
3370   /* Routines for relocs.  */
3371 #define BFD_JUMP_TABLE_RELOCS(NAME)\
3372 CAT(NAME,_get_reloc_upper_bound),\
3373 CAT(NAME,_canonicalize_reloc),\
3374 CAT(NAME,_bfd_reloc_type_lookup)
3375   long  (*_get_reloc_upper_bound) PARAMS ((bfd *, sec_ptr));
3376   long  (*_bfd_canonicalize_reloc) PARAMS ((bfd *, sec_ptr, arelent **,
3377                                             struct symbol_cache_entry **));
3378   /* See documentation on reloc types.  */
3379   reloc_howto_type *
3380        (*reloc_type_lookup) PARAMS ((bfd *abfd,
3381                                      bfd_reloc_code_real_type code));
3382
3383   /* Routines used when writing an object file.  */
3384 #define BFD_JUMP_TABLE_WRITE(NAME)\
3385 CAT(NAME,_set_arch_mach),\
3386 CAT(NAME,_set_section_contents)
3387   boolean    (*_bfd_set_arch_mach) PARAMS ((bfd *, enum bfd_architecture,
3388                     unsigned long));
3389   boolean       (*_bfd_set_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
3390                                             file_ptr, bfd_size_type));
3391
3392   /* Routines used by the linker.  */
3393 #define BFD_JUMP_TABLE_LINK(NAME)\
3394 CAT(NAME,_sizeof_headers),\
3395 CAT(NAME,_bfd_get_relocated_section_contents),\
3396 CAT(NAME,_bfd_relax_section),\
3397 CAT(NAME,_bfd_link_hash_table_create),\
3398 CAT(NAME,_bfd_link_add_symbols),\
3399 CAT(NAME,_bfd_final_link),\
3400 CAT(NAME,_bfd_link_split_section),\
3401 CAT(NAME,_bfd_gc_sections)
3402   int        (*_bfd_sizeof_headers) PARAMS ((bfd *, boolean));
3403   bfd_byte * (*_bfd_get_relocated_section_contents) PARAMS ((bfd *,
3404                     struct bfd_link_info *, struct bfd_link_order *,
3405                     bfd_byte *data, boolean relocateable,
3406                     struct symbol_cache_entry **));
3407
3408   boolean    (*_bfd_relax_section) PARAMS ((bfd *, struct sec *,
3409                     struct bfd_link_info *, boolean *again));
3410
3411   /* Create a hash table for the linker.  Different backends store
3412      different information in this table.  */
3413   struct bfd_link_hash_table *(*_bfd_link_hash_table_create) PARAMS ((bfd *));
3414
3415   /* Add symbols from this object file into the hash table.  */
3416   boolean (*_bfd_link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
3417
3418   /* Do a link based on the link_order structures attached to each
3419      section of the BFD.  */
3420   boolean (*_bfd_final_link) PARAMS ((bfd *, struct bfd_link_info *));
3421
3422   /* Should this section be split up into smaller pieces during linking.  */
3423   boolean (*_bfd_link_split_section) PARAMS ((bfd *, struct sec *));
3424
3425   /* Remove sections that are not referenced from the output.  */
3426   boolean (*_bfd_gc_sections) PARAMS ((bfd *, struct bfd_link_info *));
3427
3428   /* Routines to handle dynamic symbols and relocs.  */
3429 #define BFD_JUMP_TABLE_DYNAMIC(NAME)\
3430 CAT(NAME,_get_dynamic_symtab_upper_bound),\
3431 CAT(NAME,_canonicalize_dynamic_symtab),\
3432 CAT(NAME,_get_dynamic_reloc_upper_bound),\
3433 CAT(NAME,_canonicalize_dynamic_reloc)
3434   /* Get the amount of memory required to hold the dynamic symbols. */
3435   long  (*_bfd_get_dynamic_symtab_upper_bound) PARAMS ((bfd *));
3436   /* Read in the dynamic symbols.  */
3437   long  (*_bfd_canonicalize_dynamic_symtab)
3438     PARAMS ((bfd *, struct symbol_cache_entry **));
3439   /* Get the amount of memory required to hold the dynamic relocs.  */
3440   long  (*_bfd_get_dynamic_reloc_upper_bound) PARAMS ((bfd *));
3441   /* Read in the dynamic relocs.  */
3442   long  (*_bfd_canonicalize_dynamic_reloc)
3443     PARAMS ((bfd *, arelent **, struct symbol_cache_entry **));
3444
3445  /* Opposite endian version of this target.  */
3446  const struct bfd_target * alternative_target;
3447
3448  PTR backend_data;
3449
3450 } bfd_target;
3451 boolean
3452 bfd_set_default_target  PARAMS ((const char *name));
3453
3454 const bfd_target *
3455 bfd_find_target PARAMS ((CONST char *target_name, bfd *abfd));
3456
3457 const char **
3458 bfd_target_list PARAMS ((void));
3459
3460 const bfd_target *
3461 bfd_search_for_target  PARAMS ((int (* search_func)(const bfd_target *, void *), void *));
3462
3463 boolean
3464 bfd_check_format PARAMS ((bfd *abfd, bfd_format format));
3465
3466 boolean
3467 bfd_check_format_matches PARAMS ((bfd *abfd, bfd_format format, char ***matching));
3468
3469 boolean
3470 bfd_set_format PARAMS ((bfd *abfd, bfd_format format));
3471
3472 CONST char *
3473 bfd_format_string PARAMS ((bfd_format format));
3474
3475 #ifdef __cplusplus
3476 }
3477 #endif
3478 #endif