bfd/bfd-in2.h

   1 /* DO NOT EDIT!  -*- buffer-read-only: t -*-  This file is automatically
   2    generated from "bfd-in.h", "init.c", "opncls.c", "libbfd.c",
   3    "section.c", "archures.c", "reloc.c", "syms.c", "bfd.c", "archive.c",
   4    "corefile.c", "targets.c" and "format.c".
   5    Run "make headers" in your build bfd/ to regenerate.  */
   6
   7 /* Main header file for the bfd library -- portable access to object files.
   8    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
   9    2000, 2001, 2002
  10    Free Software Foundation, Inc.
  11    Contributed by Cygnus Support.
  12
  13 This file is part of BFD, the Binary File Descriptor library.
  14
  15 This program is free software; you can redistribute it and/or modify
  16 it under the terms of the GNU General Public License as published by
  17 the Free Software Foundation; either version 2 of the License, or
  18 (at your option) any later version.
  19
  20 This program is distributed in the hope that it will be useful,
  21 but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 GNU General Public License for more details.
  24
  25 You should have received a copy of the GNU General Public License
  26 along with this program; if not, write to the Free Software
  27 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  28
  29 #ifndef __BFD_H_SEEN__
  30 #define __BFD_H_SEEN__
  31
  32 #ifdef __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 #include "ansidecl.h"
  37 #include "symcat.h"
  38 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
  39 #ifndef SABER
  40 /* This hack is to avoid a problem with some strict ANSI C preprocessors.
  41    The problem is, "32_" is not a valid preprocessing token, and we don't
  42    want extra underscores (e.g., "nlm_32_").  The XCONCAT2 macro will
  43    cause the inner CONCAT2 macros to be evaluated first, producing
  44    still-valid pp-tokens.  Then the final concatenation can be done.  */
  45 #undef CONCAT4
  46 #define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))
  47 #endif
  48 #endif
  49
  50 #define BFD_VERSION @bfd_version@
  51 #define BFD_VERSION_DATE @bfd_version_date@
  52 #define BFD_VERSION_STRING @bfd_version_string@
  53
  54 /* The word size used by BFD on the host.  This may be 64 with a 32
  55    bit target if the host is 64 bit, or if other 64 bit targets have
  56    been selected with --enable-targets, or if --enable-64-bit-bfd.  */
  57 #define BFD_ARCH_SIZE @wordsize@
  58
  59 /* The word size of the default bfd target.  */
  60 #define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
  61
  62 #define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
  63 #if @BFD_HOST_64_BIT_DEFINED@
  64 #define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
  65 #define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
  66 #endif
  67
  68 #if BFD_ARCH_SIZE >= 64
  69 #define BFD64
  70 #endif
  71
  72 #ifndef INLINE
  73 #if __GNUC__ >= 2
  74 #define INLINE __inline__
  75 #else
  76 #define INLINE
  77 #endif
  78 #endif
  79
  80 /* Forward declaration.  */
  81 typedef struct _bfd bfd;
  82
  83 /* To squelch erroneous compiler warnings ("illegal pointer
  84    combination") from the SVR3 compiler, we would like to typedef
  85    boolean to int (it doesn't like functions which return boolean.
  86    Making sure they are never implicitly declared to return int
  87    doesn't seem to help).  But this file is not configured based on
  88    the host.  */
  89 /* General rules: functions which are boolean return true on success
  90    and false on failure (unless they're a predicate).   -- bfd.doc */
  91 /* I'm sure this is going to break something and someone is going to
  92    force me to change it.  */
  93 /* typedef enum boolean {false, true} boolean; */
  94 /* Yup, SVR4 has a "typedef enum boolean" in <sys/types.h>  -fnf */
  95 /* It gets worse if the host also defines a true/false enum... -sts */
  96 /* And even worse if your compiler has built-in boolean types... -law */
  97 /* And even worse if your compiler provides a stdbool.h that conflicts
  98    with these definitions... gcc 2.95 and later do.  If so, it must
  99    be included first.  -drow */
 100 #if defined (__GNUG__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 6))
 101 #define TRUE_FALSE_ALREADY_DEFINED
 102 #else
 103 #if defined (__bool_true_false_are_defined)
 104 /* We have <stdbool.h>.  */
 105 #define TRUE_FALSE_ALREADY_DEFINED
 106 #endif
 107 #endif
 108 #ifdef MPW
 109 /* Pre-emptive strike - get the file with the enum.  */
 110 #include <Types.h>
 111 #define TRUE_FALSE_ALREADY_DEFINED
 112 #endif /* MPW */
 113 #ifndef TRUE_FALSE_ALREADY_DEFINED
 114 typedef enum bfd_boolean {false, true} boolean;
 115 #define BFD_TRUE_FALSE
 116 #else
 117 /* Use enum names that will appear nowhere else.  */
 118 typedef enum bfd_boolean {bfd_fffalse, bfd_tttrue} boolean;
 119 #endif
 120
 121 /* Support for different sizes of target format ints and addresses.
 122    If the type `long' is at least 64 bits, BFD_HOST_64BIT_LONG will be
 123    set to 1 above.  Otherwise, if gcc is being used, this code will
 124    use gcc's "long long" type.  Otherwise, BFD_HOST_64_BIT must be
 125    defined above.  */
 126
 127 #ifndef BFD_HOST_64_BIT
 128 # if BFD_HOST_64BIT_LONG
 129 #  define BFD_HOST_64_BIT long
 130 #  define BFD_HOST_U_64_BIT unsigned long
 131 # else
 132 #  ifdef __GNUC__
 133 #   if __GNUC__ >= 2
 134 #    define BFD_HOST_64_BIT long long
 135 #    define BFD_HOST_U_64_BIT unsigned long long
 136 #   endif /* __GNUC__ >= 2 */
 137 #  endif /* ! defined (__GNUC__) */
 138 # endif /* ! BFD_HOST_64BIT_LONG */
 139 #endif /* ! defined (BFD_HOST_64_BIT) */
 140
 141 #ifdef BFD64
 142
 143 #ifndef BFD_HOST_64_BIT
 144  #error No 64 bit integer type available
 145 #endif /* ! defined (BFD_HOST_64_BIT) */
 146
 147 typedef BFD_HOST_U_64_BIT bfd_vma;
 148 typedef BFD_HOST_64_BIT bfd_signed_vma;
 149 typedef BFD_HOST_U_64_BIT bfd_size_type;
 150 typedef BFD_HOST_U_64_BIT symvalue;
 151
 152 #ifndef fprintf_vma
 153 #if BFD_HOST_64BIT_LONG
 154 #define sprintf_vma(s,x) sprintf (s, "%016lx", x)
 155 #define fprintf_vma(f,x) fprintf (f, "%016lx", x)
 156 #else
 157 #define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff)))
 158 #define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff))
 159 #define fprintf_vma(s,x) \
 160   fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
 161 #define sprintf_vma(s,x) \
 162   sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
 163 #endif
 164 #endif
 165
 166 #else /* not BFD64  */
 167
 168 /* Represent a target address.  Also used as a generic unsigned type
 169    which is guaranteed to be big enough to hold any arithmetic types
 170    we need to deal with.  */
 171 typedef unsigned long bfd_vma;
 172
 173 /* A generic signed type which is guaranteed to be big enough to hold any
 174    arithmetic types we need to deal with.  Can be assumed to be compatible
 175    with bfd_vma in the same way that signed and unsigned ints are compatible
 176    (as parameters, in assignment, etc).  */
 177 typedef long bfd_signed_vma;
 178
 179 typedef unsigned long symvalue;
 180 typedef unsigned long bfd_size_type;
 181
 182 /* Print a bfd_vma x on stream s.  */
 183 #define fprintf_vma(s,x) fprintf (s, "%08lx", x)
 184 #define sprintf_vma(s,x) sprintf (s, "%08lx", x)
 185
 186 #endif /* not BFD64  */
 187
 188 /* A pointer to a position in a file.  */
 189 /* FIXME:  This should be using off_t from <sys/types.h>.
 190    For now, try to avoid breaking stuff by not including <sys/types.h> here.
 191    This will break on systems with 64-bit file offsets (e.g. 4.4BSD).
 192    Probably the best long-term answer is to avoid using file_ptr AND off_t
 193    in this header file, and to handle this in the BFD implementation
 194    rather than in its interface.  */
 195 /* typedef off_t        file_ptr; */
 196 typedef bfd_signed_vma file_ptr;
 197 typedef bfd_vma ufile_ptr;
 198
 199 extern void bfd_sprintf_vma PARAMS ((bfd *, char *, bfd_vma));
 200 extern void bfd_fprintf_vma PARAMS ((bfd *, PTR, bfd_vma));
 201
 202 #define printf_vma(x) fprintf_vma(stdout,x)
 203 #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
 204
 205 typedef unsigned int flagword;  /* 32 bits of flags */
 206 typedef unsigned char bfd_byte;
 207 \f
 208 /* File formats.  */
 209
 210 typedef enum bfd_format
 211 {
 212   bfd_unknown = 0,      /* File format is unknown.  */
 213   bfd_object,           /* Linker/assember/compiler output.  */
 214   bfd_archive,          /* Object archive file.  */
 215   bfd_core,             /* Core dump.  */
 216   bfd_type_end          /* Marks the end; don't use it!  */
 217 }
 218 bfd_format;
 219
 220 /* Values that may appear in the flags field of a BFD.  These also
 221    appear in the object_flags field of the bfd_target structure, where
 222    they indicate the set of flags used by that backend (not all flags
 223    are meaningful for all object file formats) (FIXME: at the moment,
 224    the object_flags values have mostly just been copied from backend
 225    to another, and are not necessarily correct).  */
 226
 227 /* No flags.  */
 228 #define BFD_NO_FLAGS    0x00
 229
 230 /* BFD contains relocation entries.  */
 231 #define HAS_RELOC       0x01
 232
 233 /* BFD is directly executable.  */
 234 #define EXEC_P          0x02
 235
 236 /* BFD has line number information (basically used for F_LNNO in a
 237    COFF header).  */
 238 #define HAS_LINENO      0x04
 239
 240 /* BFD has debugging information.  */
 241 #define HAS_DEBUG       0x08
 242
 243 /* BFD has symbols.  */
 244 #define HAS_SYMS        0x10
 245
 246 /* BFD has local symbols (basically used for F_LSYMS in a COFF
 247    header).  */
 248 #define HAS_LOCALS      0x20
 249
 250 /* BFD is a dynamic object.  */
 251 #define DYNAMIC         0x40
 252
 253 /* Text section is write protected (if D_PAGED is not set, this is
 254    like an a.out NMAGIC file) (the linker sets this by default, but
 255    clears it for -r or -N).  */
 256 #define WP_TEXT         0x80
 257
 258 /* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
 259    linker sets this by default, but clears it for -r or -n or -N).  */
 260 #define D_PAGED         0x100
 261
 262 /* BFD is relaxable (this means that bfd_relax_section may be able to
 263    do something) (sometimes bfd_relax_section can do something even if
 264    this is not set).  */
 265 #define BFD_IS_RELAXABLE 0x200
 266
 267 /* This may be set before writing out a BFD to request using a
 268    traditional format.  For example, this is used to request that when
 269    writing out an a.out object the symbols not be hashed to eliminate
 270    duplicates.  */
 271 #define BFD_TRADITIONAL_FORMAT 0x400
 272
 273 /* This flag indicates that the BFD contents are actually cached in
 274    memory.  If this is set, iostream points to a bfd_in_memory struct.  */
 275 #define BFD_IN_MEMORY 0x800
 276 \f
 277 /* Symbols and relocation.  */
 278
 279 /* A count of carsyms (canonical archive symbols).  */
 280 typedef unsigned long symindex;
 281
 282 /* How to perform a relocation.  */
 283 typedef const struct reloc_howto_struct reloc_howto_type;
 284
 285 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
 286
 287 /* General purpose part of a symbol X;
 288    target specific parts are in libcoff.h, libaout.h, etc.  */
 289
 290 #define bfd_get_section(x) ((x)->section)
 291 #define bfd_get_output_section(x) ((x)->section->output_section)
 292 #define bfd_set_section(x,y) ((x)->section) = (y)
 293 #define bfd_asymbol_base(x) ((x)->section->vma)
 294 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
 295 #define bfd_asymbol_name(x) ((x)->name)
 296 /*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
 297 #define bfd_asymbol_bfd(x) ((x)->the_bfd)
 298 #define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)
 299
 300 /* A canonical archive symbol.  */
 301 /* This is a type pun with struct ranlib on purpose!  */
 302 typedef struct carsym
 303 {
 304   char *name;
 305   file_ptr file_offset; /* Look here to find the file.  */
 306 }
 307 carsym;                 /* To make these you call a carsymogen.  */
 308
 309 /* Used in generating armaps (archive tables of contents).
 310    Perhaps just a forward definition would do?  */
 311 struct orl                      /* Output ranlib.  */
 312 {
 313   char **name;          /* Symbol name.  */
 314   union
 315   {
 316     file_ptr pos;
 317     bfd *abfd;
 318   } u;                  /* bfd* or file position.  */
 319   int namidx;           /* Index into string table.  */
 320 };
 321 \f
 322 /* Linenumber stuff.  */
 323 typedef struct lineno_cache_entry
 324 {
 325   unsigned int line_number;     /* Linenumber from start of function.  */
 326   union
 327   {
 328     struct symbol_cache_entry *sym;     /* Function name.  */
 329     bfd_vma offset;                     /* Offset into section.  */
 330   } u;
 331 }
 332 alent;
 333 \f
 334 /* Object and core file sections.  */
 335
 336 #define align_power(addr, align)        \
 337         ( ((addr) + ((1<<(align))-1)) & (-1 << (align)))
 338
 339 typedef struct sec *sec_ptr;
 340
 341 #define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
 342 #define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
 343 #define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0)
 344 #define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
 345 #define bfd_section_name(bfd, ptr) ((ptr)->name)
 346 #define bfd_section_size(bfd, ptr) (bfd_get_section_size_before_reloc(ptr))
 347 #define bfd_section_vma(bfd, ptr) ((ptr)->vma)
 348 #define bfd_section_lma(bfd, ptr) ((ptr)->lma)
 349 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
 350 #define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
 351 #define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
 352
 353 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
 354
 355 #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = (boolean)true), true)
 356 #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),true)
 357 #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),true)
 358
 359 typedef struct stat stat_type;
 360 \f
 361 typedef enum bfd_print_symbol
 362 {
 363   bfd_print_symbol_name,
 364   bfd_print_symbol_more,
 365   bfd_print_symbol_all
 366 } bfd_print_symbol_type;
 367
 368 /* Information about a symbol that nm needs.  */
 369
 370 typedef struct _symbol_info
 371 {
 372   symvalue value;
 373   char type;
 374   const char *name;            /* Symbol name.  */
 375   unsigned char stab_type;     /* Stab type.  */
 376   char stab_other;             /* Stab other.  */
 377   short stab_desc;             /* Stab desc.  */
 378   const char *stab_name;       /* String for stab type.  */
 379 } symbol_info;
 380
 381 /* Get the name of a stabs type code.  */
 382
 383 extern const char *bfd_get_stab_name PARAMS ((int));
 384 \f
 385 /* Hash table routines.  There is no way to free up a hash table.  */
 386
 387 /* An element in the hash table.  Most uses will actually use a larger
 388    structure, and an instance of this will be the first field.  */
 389
 390 struct bfd_hash_entry
 391 {
 392   /* Next entry for this hash code.  */
 393   struct bfd_hash_entry *next;
 394   /* String being hashed.  */
 395   const char *string;
 396   /* Hash code.  This is the full hash code, not the index into the
 397      table.  */
 398   unsigned long hash;
 399 };
 400
 401 /* A hash table.  */
 402
 403 struct bfd_hash_table
 404 {
 405   /* The hash array.  */
 406   struct bfd_hash_entry **table;
 407   /* The number of slots in the hash table.  */
 408   unsigned int size;
 409   /* A function used to create new elements in the hash table.  The
 410      first entry is itself a pointer to an element.  When this
 411      function is first invoked, this pointer will be NULL.  However,
 412      having the pointer permits a hierarchy of method functions to be
 413      built each of which calls the function in the superclass.  Thus
 414      each function should be written to allocate a new block of memory
 415      only if the argument is NULL.  */
 416   struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *,
 417                                              struct bfd_hash_table *,
 418                                              const char *));
 419    /* An objalloc for this hash table.  This is a struct objalloc *,
 420      but we use PTR to avoid requiring the inclusion of objalloc.h.  */
 421   PTR memory;
 422 };
 423
 424 /* Initialize a hash table.  */
 425 extern boolean bfd_hash_table_init
 426   PARAMS ((struct bfd_hash_table *,
 427            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 428                                        struct bfd_hash_table *,
 429                                        const char *)));
 430
 431 /* Initialize a hash table specifying a size.  */
 432 extern boolean bfd_hash_table_init_n
 433   PARAMS ((struct bfd_hash_table *,
 434            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 435                                        struct bfd_hash_table *,
 436                                        const char *),
 437            unsigned int size));
 438
 439 /* Free up a hash table.  */
 440 extern void bfd_hash_table_free PARAMS ((struct bfd_hash_table *));
 441
 442 /* Look up a string in a hash table.  If CREATE is true, a new entry
 443    will be created for this string if one does not already exist.  The
 444    COPY argument must be true if this routine should copy the string
 445    into newly allocated memory when adding an entry.  */
 446 extern struct bfd_hash_entry *bfd_hash_lookup
 447   PARAMS ((struct bfd_hash_table *, const char *, boolean create,
 448            boolean copy));
 449
 450 /* Replace an entry in a hash table.  */
 451 extern void bfd_hash_replace
 452   PARAMS ((struct bfd_hash_table *, struct bfd_hash_entry *old,
 453            struct bfd_hash_entry *nw));
 454
 455 /* Base method for creating a hash table entry.  */
 456 extern struct bfd_hash_entry *bfd_hash_newfunc
 457   PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
 458            const char *));
 459
 460 /* Grab some space for a hash table entry.  */
 461 extern PTR bfd_hash_allocate PARAMS ((struct bfd_hash_table *,
 462                                       unsigned int));
 463
 464 /* Traverse a hash table in a random order, calling a function on each
 465    element.  If the function returns false, the traversal stops.  The
 466    INFO argument is passed to the function.  */
 467 extern void bfd_hash_traverse PARAMS ((struct bfd_hash_table *,
 468                                        boolean (*) (struct bfd_hash_entry *,
 469                                                     PTR),
 470                                        PTR info));
 471
 472 #define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table
 473
 474 /* User program access to BFD facilities.  */
 475
 476 /* Direct I/O routines, for programs which know more about the object
 477    file than BFD does.  Use higher level routines if possible.  */
 478
 479 extern bfd_size_type bfd_bread PARAMS ((PTR, bfd_size_type, bfd *));
 480 extern bfd_size_type bfd_bwrite PARAMS ((const PTR, bfd_size_type, bfd *));
 481 extern int bfd_seek PARAMS ((bfd *, file_ptr, int));
 482 extern ufile_ptr bfd_tell PARAMS ((bfd *));
 483 extern int bfd_flush PARAMS ((bfd *));
 484 extern int bfd_stat PARAMS ((bfd *, struct stat *));
 485
 486 /* Deprecated old routines.  */
 487 #if __GNUC__
 488 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 489   (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__),      \
 490    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 491 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 492   (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__),     \
 493    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 494 #else
 495 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 496   (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
 497    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 498 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 499   (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
 500    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 501 #endif
 502 extern void warn_deprecated
 503   PARAMS ((const char *, const char *, int, const char *));
 504
 505 /* Cast from const char * to char * so that caller can assign to
 506    a char * without a warning.  */
 507 #define bfd_get_filename(abfd) ((char *) (abfd)->filename)
 508 #define bfd_get_cacheable(abfd) ((abfd)->cacheable)
 509 #define bfd_get_format(abfd) ((abfd)->format)
 510 #define bfd_get_target(abfd) ((abfd)->xvec->name)
 511 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
 512 #define bfd_family_coff(abfd) \
 513   (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
 514    bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
 515 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
 516 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
 517 #define bfd_header_big_endian(abfd) \
 518   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
 519 #define bfd_header_little_endian(abfd) \
 520   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
 521 #define bfd_get_file_flags(abfd) ((abfd)->flags)
 522 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
 523 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
 524 #define bfd_my_archive(abfd) ((abfd)->my_archive)
 525 #define bfd_has_map(abfd) ((abfd)->has_armap)
 526
 527 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
 528 #define bfd_usrdata(abfd) ((abfd)->usrdata)
 529
 530 #define bfd_get_start_address(abfd) ((abfd)->start_address)
 531 #define bfd_get_symcount(abfd) ((abfd)->symcount)
 532 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
 533 #define bfd_count_sections(abfd) ((abfd)->section_count)
 534
 535 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
 536
 537 #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (boolean) (bool)), true)
 538
 539 extern boolean bfd_cache_close PARAMS ((bfd *abfd));
 540 /* NB: This declaration should match the autogenerated one in libbfd.h.  */
 541
 542 extern boolean bfd_record_phdr
 543   PARAMS ((bfd *, unsigned long, boolean, flagword, boolean, bfd_vma,
 544            boolean, boolean, unsigned int, struct sec **));
 545
 546 /* Byte swapping routines.  */
 547
 548 bfd_vma         bfd_getb64         PARAMS ((const unsigned char *));
 549 bfd_vma         bfd_getl64         PARAMS ((const unsigned char *));
 550 bfd_signed_vma  bfd_getb_signed_64 PARAMS ((const unsigned char *));
 551 bfd_signed_vma  bfd_getl_signed_64 PARAMS ((const unsigned char *));
 552 bfd_vma         bfd_getb32         PARAMS ((const unsigned char *));
 553 bfd_vma         bfd_getl32         PARAMS ((const unsigned char *));
 554 bfd_signed_vma  bfd_getb_signed_32 PARAMS ((const unsigned char *));
 555 bfd_signed_vma  bfd_getl_signed_32 PARAMS ((const unsigned char *));
 556 bfd_vma         bfd_getb16         PARAMS ((const unsigned char *));
 557 bfd_vma         bfd_getl16         PARAMS ((const unsigned char *));
 558 bfd_signed_vma  bfd_getb_signed_16 PARAMS ((const unsigned char *));
 559 bfd_signed_vma  bfd_getl_signed_16 PARAMS ((const unsigned char *));
 560 void            bfd_putb64         PARAMS ((bfd_vma, unsigned char *));
 561 void            bfd_putl64         PARAMS ((bfd_vma, unsigned char *));
 562 void            bfd_putb32         PARAMS ((bfd_vma, unsigned char *));
 563 void            bfd_putl32         PARAMS ((bfd_vma, unsigned char *));
 564 void            bfd_putb16         PARAMS ((bfd_vma, unsigned char *));
 565 void            bfd_putl16         PARAMS ((bfd_vma, unsigned char *));
 566
 567 /* Byte swapping routines which take size and endiannes as arguments.  */
 568
 569 bfd_vma         bfd_get_bits       PARAMS ((bfd_byte *, int, boolean));
 570 void            bfd_put_bits       PARAMS ((bfd_vma, bfd_byte *, int, boolean));
 571 \f
 572 /* Externally visible ECOFF routines.  */
 573
 574 #if defined(__STDC__) || defined(ALMOST_STDC)
 575 struct ecoff_debug_info;
 576 struct ecoff_debug_swap;
 577 struct ecoff_extr;
 578 struct symbol_cache_entry;
 579 struct bfd_link_info;
 580 struct bfd_link_hash_entry;
 581 struct bfd_elf_version_tree;
 582 #endif
 583 extern bfd_vma bfd_ecoff_get_gp_value PARAMS ((bfd * abfd));
 584 extern boolean bfd_ecoff_set_gp_value PARAMS ((bfd *abfd, bfd_vma gp_value));
 585 extern boolean bfd_ecoff_set_regmasks
 586   PARAMS ((bfd *abfd, unsigned long gprmask, unsigned long fprmask,
 587            unsigned long *cprmask));
 588 extern PTR bfd_ecoff_debug_init
 589   PARAMS ((bfd *output_bfd, struct ecoff_debug_info *output_debug,
 590            const struct ecoff_debug_swap *output_swap,
 591            struct bfd_link_info *));
 592 extern void bfd_ecoff_debug_free
 593   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 594            const struct ecoff_debug_swap *output_swap,
 595            struct bfd_link_info *));
 596 extern boolean bfd_ecoff_debug_accumulate
 597   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 598            const struct ecoff_debug_swap *output_swap,
 599            bfd *input_bfd, struct ecoff_debug_info *input_debug,
 600            const struct ecoff_debug_swap *input_swap,
 601            struct bfd_link_info *));
 602 extern boolean bfd_ecoff_debug_accumulate_other
 603   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 604            const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
 605            struct bfd_link_info *));
 606 extern boolean bfd_ecoff_debug_externals
 607   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 608            const struct ecoff_debug_swap *swap,
 609            boolean relocateable,
 610            boolean (*get_extr) (struct symbol_cache_entry *,
 611                                 struct ecoff_extr *),
 612            void (*set_index) (struct symbol_cache_entry *,
 613                               bfd_size_type)));
 614 extern boolean bfd_ecoff_debug_one_external
 615   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 616            const struct ecoff_debug_swap *swap,
 617            const char *name, struct ecoff_extr *esym));
 618 extern bfd_size_type bfd_ecoff_debug_size
 619   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 620            const struct ecoff_debug_swap *swap));
 621 extern boolean bfd_ecoff_write_debug
 622   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 623            const struct ecoff_debug_swap *swap, file_ptr where));
 624 extern boolean bfd_ecoff_write_accumulated_debug
 625   PARAMS ((PTR handle, bfd *abfd, struct ecoff_debug_info *debug,
 626            const struct ecoff_debug_swap *swap,
 627            struct bfd_link_info *info, file_ptr where));
 628 extern boolean bfd_mips_ecoff_create_embedded_relocs
 629   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 630            char **));
 631
 632 /* Externally visible ELF routines.  */
 633
 634 struct bfd_link_needed_list
 635 {
 636   struct bfd_link_needed_list *next;
 637   bfd *by;
 638   const char *name;
 639 };
 640
 641 extern boolean bfd_elf32_record_link_assignment
 642   PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
 643 extern boolean bfd_elf64_record_link_assignment
 644   PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
 645 extern struct bfd_link_needed_list *bfd_elf_get_needed_list
 646   PARAMS ((bfd *, struct bfd_link_info *));
 647 extern boolean bfd_elf_get_bfd_needed_list
 648   PARAMS ((bfd *, struct bfd_link_needed_list **));
 649 extern boolean bfd_elf32_size_dynamic_sections
 650   PARAMS ((bfd *, const char *, const char *, const char *,
 651            const char * const *, struct bfd_link_info *, struct sec **,
 652            struct bfd_elf_version_tree *));
 653 extern boolean bfd_elf64_size_dynamic_sections
 654   PARAMS ((bfd *, const char *, const char *, const char *,
 655            const char * const *, struct bfd_link_info *, struct sec **,
 656            struct bfd_elf_version_tree *));
 657 extern void bfd_elf_set_dt_needed_name PARAMS ((bfd *, const char *));
 658 extern void bfd_elf_set_dt_needed_soname PARAMS ((bfd *, const char *));
 659 extern const char *bfd_elf_get_dt_soname PARAMS ((bfd *));
 660 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
 661   PARAMS ((bfd *, struct bfd_link_info *));
 662 extern boolean bfd_elf32_discard_info
 663   PARAMS ((bfd *, struct bfd_link_info *));
 664 extern boolean bfd_elf64_discard_info
 665   PARAMS ((bfd *, struct bfd_link_info *));
 666
 667 /* Return an upper bound on the number of bytes required to store a
 668    copy of ABFD's program header table entries.  Return -1 if an error
 669    occurs; bfd_get_error will return an appropriate code.  */
 670 extern long bfd_get_elf_phdr_upper_bound PARAMS ((bfd *abfd));
 671
 672 /* Copy ABFD's program header table entries to *PHDRS.  The entries
 673    will be stored as an array of Elf_Internal_Phdr structures, as
 674    defined in include/elf/internal.h.  To find out how large the
 675    buffer needs to be, call bfd_get_elf_phdr_upper_bound.
 676
 677    Return the number of program header table entries read, or -1 if an
 678    error occurs; bfd_get_error will return an appropriate code.  */
 679 extern int bfd_get_elf_phdrs PARAMS ((bfd *abfd, void *phdrs));
 680
 681 /* Return the arch_size field of an elf bfd, or -1 if not elf.  */
 682 extern int bfd_get_arch_size PARAMS ((bfd *));
 683
 684 /* Return true if address "naturally" sign extends, or -1 if not elf.  */
 685 extern int bfd_get_sign_extend_vma PARAMS ((bfd *));
 686
 687 extern boolean bfd_m68k_elf32_create_embedded_relocs
 688   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 689            char **));
 690 extern boolean bfd_mips_elf32_create_embedded_relocs
 691   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 692            char **));
 693
 694 /* SunOS shared library support routines for the linker.  */
 695
 696 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
 697   PARAMS ((bfd *, struct bfd_link_info *));
 698 extern boolean bfd_sunos_record_link_assignment
 699   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 700 extern boolean bfd_sunos_size_dynamic_sections
 701   PARAMS ((bfd *, struct bfd_link_info *, struct sec **, struct sec **,
 702            struct sec **));
 703
 704 /* Linux shared library support routines for the linker.  */
 705
 706 extern boolean bfd_i386linux_size_dynamic_sections
 707   PARAMS ((bfd *, struct bfd_link_info *));
 708 extern boolean bfd_m68klinux_size_dynamic_sections
 709   PARAMS ((bfd *, struct bfd_link_info *));
 710 extern boolean bfd_sparclinux_size_dynamic_sections
 711   PARAMS ((bfd *, struct bfd_link_info *));
 712
 713 /* mmap hacks */
 714
 715 struct _bfd_window_internal;
 716 typedef struct _bfd_window_internal bfd_window_internal;
 717
 718 typedef struct _bfd_window
 719 {
 720   /* What the user asked for.  */
 721   PTR data;
 722   bfd_size_type size;
 723   /* The actual window used by BFD.  Small user-requested read-only
 724      regions sharing a page may share a single window into the object
 725      file.  Read-write versions shouldn't until I've fixed things to
 726      keep track of which portions have been claimed by the
 727      application; don't want to give the same region back when the
 728      application wants two writable copies!  */
 729   struct _bfd_window_internal *i;
 730 }
 731 bfd_window;
 732
 733 extern void bfd_init_window PARAMS ((bfd_window *));
 734 extern void bfd_free_window PARAMS ((bfd_window *));
 735 extern boolean bfd_get_file_window
 736   PARAMS ((bfd *, file_ptr, bfd_size_type, bfd_window *, boolean));
 737
 738 /* XCOFF support routines for the linker.  */
 739
 740 extern boolean bfd_xcoff_link_record_set
 741   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
 742            bfd_size_type));
 743 extern boolean bfd_xcoff_import_symbol
 744   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
 745            bfd_vma, const char *, const char *, const char *, unsigned int));
 746 extern boolean bfd_xcoff_export_symbol
 747   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *));
 748 extern boolean bfd_xcoff_link_count_reloc
 749   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 750 extern boolean bfd_xcoff_record_link_assignment
 751   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 752 extern boolean bfd_xcoff_size_dynamic_sections
 753   PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *,
 754            unsigned long, unsigned long, unsigned long, boolean,
 755            int, boolean, boolean, struct sec **, boolean));
 756 extern boolean bfd_xcoff_link_generate_rtinit
 757   PARAMS ((bfd *, const char *, const char *, boolean));
 758
 759 /* XCOFF support routines for ar.  */
 760 extern boolean bfd_xcoff_ar_archive_set_magic PARAMS ((bfd *, char *));
 761
 762 /* Externally visible COFF routines.  */
 763
 764 #if defined(__STDC__) || defined(ALMOST_STDC)
 765 struct internal_syment;
 766 union internal_auxent;
 767 #endif
 768
 769 extern boolean bfd_coff_get_syment
 770   PARAMS ((bfd *, struct symbol_cache_entry *, struct internal_syment *));
 771
 772 extern boolean bfd_coff_get_auxent
 773   PARAMS ((bfd *, struct symbol_cache_entry *, int, union internal_auxent *));
 774
 775 extern boolean bfd_coff_set_symbol_class
 776   PARAMS ((bfd *, struct symbol_cache_entry *, unsigned int));
 777
 778 extern boolean bfd_m68k_coff_create_embedded_relocs
 779   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 780            char **));
 781
 782 /* ARM Interworking support.  Called from linker.  */
 783 extern boolean bfd_arm_allocate_interworking_sections
 784   PARAMS ((struct bfd_link_info *));
 785
 786 extern boolean bfd_arm_process_before_allocation
 787   PARAMS ((bfd *, struct bfd_link_info *, int));
 788
 789 extern boolean bfd_arm_get_bfd_for_interworking
 790   PARAMS ((bfd *, struct bfd_link_info *));
 791
 792 /* PE ARM Interworking support.  Called from linker.  */
 793 extern boolean bfd_arm_pe_allocate_interworking_sections
 794   PARAMS ((struct bfd_link_info *));
 795
 796 extern boolean bfd_arm_pe_process_before_allocation
 797   PARAMS ((bfd *, struct bfd_link_info *, int));
 798
 799 extern boolean bfd_arm_pe_get_bfd_for_interworking
 800   PARAMS ((bfd *, struct bfd_link_info *));
 801
 802 /* ELF ARM Interworking support.  Called from linker.  */
 803 extern boolean bfd_elf32_arm_allocate_interworking_sections
 804   PARAMS ((struct bfd_link_info *));
 805
 806 extern boolean bfd_elf32_arm_process_before_allocation
 807   PARAMS ((bfd *, struct bfd_link_info *, int));
 808
 809 extern boolean bfd_elf32_arm_get_bfd_for_interworking
 810   PARAMS ((bfd *, struct bfd_link_info *));
 811
 812 /* TI COFF load page support.  */
 813 extern void bfd_ticoff_set_section_load_page
 814   PARAMS ((struct sec *, int));
 815
 816 extern int bfd_ticoff_get_section_load_page
 817   PARAMS ((struct sec *));
 818
 819 /* And more from the source.  */
 820 void
 821 bfd_init PARAMS ((void));
 822
 823 bfd *
 824 bfd_openr PARAMS ((const char *filename, const char *target));
 825
 826 bfd *
 827 bfd_fdopenr PARAMS ((const char *filename, const char *target, int fd));
 828
 829 bfd *
 830 bfd_openstreamr PARAMS ((const char *, const char *, PTR));
 831
 832 bfd *
 833 bfd_openw PARAMS ((const char *filename, const char *target));
 834
 835 boolean
 836 bfd_close PARAMS ((bfd *abfd));
 837
 838 boolean
 839 bfd_close_all_done PARAMS ((bfd *));
 840
 841 bfd *
 842 bfd_create PARAMS ((const char *filename, bfd *templ));
 843
 844 boolean
 845 bfd_make_writable PARAMS ((bfd *abfd));
 846
 847 boolean
 848 bfd_make_readable PARAMS ((bfd *abfd));
 849
 850
 851 /* Byte swapping macros for user section data.  */
 852
 853 #define bfd_put_8(abfd, val, ptr) \
 854                 ((void) (*((unsigned char *) (ptr)) = (unsigned char) (val)))
 855 #define bfd_put_signed_8 \
 856                bfd_put_8
 857 #define bfd_get_8(abfd, ptr) \
 858                 (*(unsigned char *) (ptr) & 0xff)
 859 #define bfd_get_signed_8(abfd, ptr) \
 860                (((*(unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80)
 861
 862 #define bfd_put_16(abfd, val, ptr) \
 863                 BFD_SEND(abfd, bfd_putx16, ((val),(ptr)))
 864 #define bfd_put_signed_16 \
 865                 bfd_put_16
 866 #define bfd_get_16(abfd, ptr) \
 867                 BFD_SEND(abfd, bfd_getx16, (ptr))
 868 #define bfd_get_signed_16(abfd, ptr) \
 869                 BFD_SEND (abfd, bfd_getx_signed_16, (ptr))
 870
 871 #define bfd_put_32(abfd, val, ptr) \
 872                 BFD_SEND(abfd, bfd_putx32, ((val),(ptr)))
 873 #define bfd_put_signed_32 \
 874                 bfd_put_32
 875 #define bfd_get_32(abfd, ptr) \
 876                 BFD_SEND(abfd, bfd_getx32, (ptr))
 877 #define bfd_get_signed_32(abfd, ptr) \
 878                 BFD_SEND(abfd, bfd_getx_signed_32, (ptr))
 879
 880 #define bfd_put_64(abfd, val, ptr) \
 881                 BFD_SEND(abfd, bfd_putx64, ((val), (ptr)))
 882 #define bfd_put_signed_64 \
 883                 bfd_put_64
 884 #define bfd_get_64(abfd, ptr) \
 885                 BFD_SEND(abfd, bfd_getx64, (ptr))
 886 #define bfd_get_signed_64(abfd, ptr) \
 887                 BFD_SEND(abfd, bfd_getx_signed_64, (ptr))
 888
 889 #define bfd_get(bits, abfd, ptr)                               \
 890                 ( (bits) ==  8 ? (bfd_vma) bfd_get_8 (abfd, ptr)       \
 891                 : (bits) == 16 ? bfd_get_16 (abfd, ptr)        \
 892                 : (bits) == 32 ? bfd_get_32 (abfd, ptr)        \
 893                 : (bits) == 64 ? bfd_get_64 (abfd, ptr)        \
 894                 : (abort (), (bfd_vma) - 1))
 895
 896 #define bfd_put(bits, abfd, val, ptr)                          \
 897                 ( (bits) ==  8 ? bfd_put_8  (abfd, val, ptr)   \
 898                 : (bits) == 16 ? bfd_put_16 (abfd, val, ptr)   \
 899                 : (bits) == 32 ? bfd_put_32 (abfd, val, ptr)   \
 900                 : (bits) == 64 ? bfd_put_64 (abfd, val, ptr)   \
 901                 : (abort (), (void) 0))
 902
 903
 904 /* Byte swapping macros for file header data.  */
 905
 906 #define bfd_h_put_8(abfd, val, ptr) \
 907   bfd_put_8 (abfd, val, ptr)
 908 #define bfd_h_put_signed_8(abfd, val, ptr) \
 909   bfd_put_8 (abfd, val, ptr)
 910 #define bfd_h_get_8(abfd, ptr) \
 911   bfd_get_8 (abfd, ptr)
 912 #define bfd_h_get_signed_8(abfd, ptr) \
 913   bfd_get_signed_8 (abfd, ptr)
 914
 915 #define bfd_h_put_16(abfd, val, ptr) \
 916   BFD_SEND (abfd, bfd_h_putx16, (val, ptr))
 917 #define bfd_h_put_signed_16 \
 918   bfd_h_put_16
 919 #define bfd_h_get_16(abfd, ptr) \
 920   BFD_SEND (abfd, bfd_h_getx16, (ptr))
 921 #define bfd_h_get_signed_16(abfd, ptr) \
 922   BFD_SEND (abfd, bfd_h_getx_signed_16, (ptr))
 923
 924 #define bfd_h_put_32(abfd, val, ptr) \
 925   BFD_SEND (abfd, bfd_h_putx32, (val, ptr))
 926 #define bfd_h_put_signed_32 \
 927   bfd_h_put_32
 928 #define bfd_h_get_32(abfd, ptr) \
 929   BFD_SEND (abfd, bfd_h_getx32, (ptr))
 930 #define bfd_h_get_signed_32(abfd, ptr) \
 931   BFD_SEND (abfd, bfd_h_getx_signed_32, (ptr))
 932
 933 #define bfd_h_put_64(abfd, val, ptr) \
 934   BFD_SEND (abfd, bfd_h_putx64, (val, ptr))
 935 #define bfd_h_put_signed_64 \
 936   bfd_h_put_64
 937 #define bfd_h_get_64(abfd, ptr) \
 938   BFD_SEND (abfd, bfd_h_getx64, (ptr))
 939 #define bfd_h_get_signed_64(abfd, ptr) \
 940   BFD_SEND (abfd, bfd_h_getx_signed_64, (ptr))
 941
 942 /* Refinements on the above, which should eventually go away.  Save
 943    cluttering the source with (bfd_vma) and (bfd_byte *) casts.  */
 944
 945 #define H_PUT_64(abfd, val, where) \
 946   bfd_h_put_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
 947
 948 #define H_PUT_32(abfd, val, where) \
 949   bfd_h_put_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
 950
 951 #define H_PUT_16(abfd, val, where) \
 952   bfd_h_put_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
 953
 954 #define H_PUT_8 bfd_h_put_8
 955
 956 #define H_PUT_S64(abfd, val, where) \
 957   bfd_h_put_signed_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
 958
 959 #define H_PUT_S32(abfd, val, where) \
 960   bfd_h_put_signed_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
 961
 962 #define H_PUT_S16(abfd, val, where) \
 963   bfd_h_put_signed_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
 964
 965 #define H_PUT_S8 bfd_h_put_signed_8
 966
 967 #define H_GET_64(abfd, where) \
 968   bfd_h_get_64 ((abfd), (bfd_byte *) (where))
 969
 970 #define H_GET_32(abfd, where) \
 971   bfd_h_get_32 ((abfd), (bfd_byte *) (where))
 972
 973 #define H_GET_16(abfd, where) \
 974   bfd_h_get_16 ((abfd), (bfd_byte *) (where))
 975
 976 #define H_GET_8 bfd_h_get_8
 977
 978 #define H_GET_S64(abfd, where) \
 979   bfd_h_get_signed_64 ((abfd), (bfd_byte *) (where))
 980
 981 #define H_GET_S32(abfd, where) \
 982   bfd_h_get_signed_32 ((abfd), (bfd_byte *) (where))
 983
 984 #define H_GET_S16(abfd, where) \
 985   bfd_h_get_signed_16 ((abfd), (bfd_byte *) (where))
 986
 987 #define H_GET_S8 bfd_h_get_signed_8
 988
 989
 990 /* This structure is used for a comdat section, as in PE.  A comdat
 991    section is associated with a particular symbol.  When the linker
 992    sees a comdat section, it keeps only one of the sections with a
 993    given name and associated with a given symbol.  */
 994
 995 struct bfd_comdat_info
 996 {
 997   /* The name of the symbol associated with a comdat section.  */
 998   const char *name;
 999
1000   /* The local symbol table index of the symbol associated with a
1001      comdat section.  This is only meaningful to the object file format
1002      specific code; it is not an index into the list returned by
1003      bfd_canonicalize_symtab.  */
1004   long symbol;
1005 };
1006
1007 typedef struct sec
1008 {
1009   /* The name of the section; the name isn't a copy, the pointer is
1010      the same as that passed to bfd_make_section.  */
1011   const char *name;
1012
1013   /* A unique sequence number.  */
1014   int id;
1015
1016   /* Which section in the bfd; 0..n-1 as sections are created in a bfd.  */
1017   int index;
1018
1019   /* The next section in the list belonging to the BFD, or NULL.  */
1020   struct sec *next;
1021
1022   /* The field flags contains attributes of the section. Some
1023      flags are read in from the object file, and some are
1024      synthesized from other information.  */
1025   flagword flags;
1026
1027 #define SEC_NO_FLAGS   0x000
1028
1029   /* Tells the OS to allocate space for this section when loading.
1030      This is clear for a section containing debug information only.  */
1031 #define SEC_ALLOC      0x001
1032
1033   /* Tells the OS to load the section from the file when loading.
1034      This is clear for a .bss section.  */
1035 #define SEC_LOAD       0x002
1036
1037   /* The section contains data still to be relocated, so there is
1038      some relocation information too.  */
1039 #define SEC_RELOC      0x004
1040
1041   /* ELF reserves 4 processor specific bits and 8 operating system
1042      specific bits in sh_flags; at present we can get away with just
1043      one in communicating between the assembler and BFD, but this
1044      isn't a good long-term solution.  */
1045 #define SEC_ARCH_BIT_0 0x008
1046
1047   /* A signal to the OS that the section contains read only data.  */
1048 #define SEC_READONLY   0x010
1049
1050   /* The section contains code only.  */
1051 #define SEC_CODE       0x020
1052
1053   /* The section contains data only.  */
1054 #define SEC_DATA       0x040
1055
1056   /* The section will reside in ROM.  */
1057 #define SEC_ROM        0x080
1058
1059   /* The section contains constructor information. This section
1060      type is used by the linker to create lists of constructors and
1061      destructors used by <<g++>>. When a back end sees a symbol
1062      which should be used in a constructor list, it creates a new
1063      section for the type of name (e.g., <<__CTOR_LIST__>>), attaches
1064      the symbol to it, and builds a relocation. To build the lists
1065      of constructors, all the linker has to do is catenate all the
1066      sections called <<__CTOR_LIST__>> and relocate the data
1067      contained within - exactly the operations it would peform on
1068      standard data.  */
1069 #define SEC_CONSTRUCTOR 0x100
1070
1071   /* The section has contents - a data section could be
1072      <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>; a debug section could be
1073      <<SEC_HAS_CONTENTS>>  */
1074 #define SEC_HAS_CONTENTS 0x200
1075
1076   /* An instruction to the linker to not output the section
1077      even if it has information which would normally be written.  */
1078 #define SEC_NEVER_LOAD 0x400
1079
1080   /* The section is a COFF shared library section.  This flag is
1081      only for the linker.  If this type of section appears in
1082      the input file, the linker must copy it to the output file
1083      without changing the vma or size.  FIXME: Although this
1084      was originally intended to be general, it really is COFF
1085      specific (and the flag was renamed to indicate this).  It
1086      might be cleaner to have some more general mechanism to
1087      allow the back end to control what the linker does with
1088      sections.  */
1089 #define SEC_COFF_SHARED_LIBRARY 0x800
1090
1091   /* The section contains thread local data.  */
1092 #define SEC_THREAD_LOCAL 0x1000
1093
1094   /* The section has GOT references.  This flag is only for the
1095      linker, and is currently only used by the elf32-hppa back end.
1096      It will be set if global offset table references were detected
1097      in this section, which indicate to the linker that the section
1098      contains PIC code, and must be handled specially when doing a
1099      static link.  */
1100 #define SEC_HAS_GOT_REF 0x4000
1101
1102   /* The section contains common symbols (symbols may be defined
1103      multiple times, the value of a symbol is the amount of
1104      space it requires, and the largest symbol value is the one
1105      used).  Most targets have exactly one of these (which we
1106      translate to bfd_com_section_ptr), but ECOFF has two.  */
1107 #define SEC_IS_COMMON 0x8000
1108
1109   /* The section contains only debugging information.  For
1110      example, this is set for ELF .debug and .stab sections.
1111      strip tests this flag to see if a section can be
1112      discarded.  */
1113 #define SEC_DEBUGGING 0x10000
1114
1115   /* The contents of this section are held in memory pointed to
1116      by the contents field.  This is checked by bfd_get_section_contents,
1117      and the data is retrieved from memory if appropriate.  */
1118 #define SEC_IN_MEMORY 0x20000
1119
1120   /* The contents of this section are to be excluded by the
1121      linker for executable and shared objects unless those
1122      objects are to be further relocated.  */
1123 #define SEC_EXCLUDE 0x40000
1124
1125   /* The contents of this section are to be sorted based on the sum of
1126      the symbol and addend values specified by the associated relocation
1127      entries.  Entries without associated relocation entries will be
1128      appended to the end of the section in an unspecified order.  */
1129 #define SEC_SORT_ENTRIES 0x80000
1130
1131   /* When linking, duplicate sections of the same name should be
1132      discarded, rather than being combined into a single section as
1133      is usually done.  This is similar to how common symbols are
1134      handled.  See SEC_LINK_DUPLICATES below.  */
1135 #define SEC_LINK_ONCE 0x100000
1136
1137   /* If SEC_LINK_ONCE is set, this bitfield describes how the linker
1138      should handle duplicate sections.  */
1139 #define SEC_LINK_DUPLICATES 0x600000
1140
1141   /* This value for SEC_LINK_DUPLICATES means that duplicate
1142      sections with the same name should simply be discarded.  */
1143 #define SEC_LINK_DUPLICATES_DISCARD 0x0
1144
1145   /* This value for SEC_LINK_DUPLICATES means that the linker
1146      should warn if there are any duplicate sections, although
1147      it should still only link one copy.  */
1148 #define SEC_LINK_DUPLICATES_ONE_ONLY 0x200000
1149
1150   /* This value for SEC_LINK_DUPLICATES means that the linker
1151      should warn if any duplicate sections are a different size.  */
1152 #define SEC_LINK_DUPLICATES_SAME_SIZE 0x400000
1153
1154   /* This value for SEC_LINK_DUPLICATES means that the linker
1155      should warn if any duplicate sections contain different
1156      contents.  */
1157 #define SEC_LINK_DUPLICATES_SAME_CONTENTS 0x600000
1158
1159   /* This section was created by the linker as part of dynamic
1160      relocation or other arcane processing.  It is skipped when
1161      going through the first-pass output, trusting that someone
1162      else up the line will take care of it later.  */
1163 #define SEC_LINKER_CREATED 0x800000
1164
1165   /* This section should not be subject to garbage collection.  */
1166 #define SEC_KEEP 0x1000000
1167
1168   /* This section contains "short" data, and should be placed
1169      "near" the GP.  */
1170 #define SEC_SMALL_DATA 0x2000000
1171
1172   /* This section contains data which may be shared with other
1173      executables or shared objects.  */
1174 #define SEC_SHARED 0x4000000
1175
1176   /* When a section with this flag is being linked, then if the size of
1177      the input section is less than a page, it should not cross a page
1178      boundary.  If the size of the input section is one page or more, it
1179      should be aligned on a page boundary.  */
1180 #define SEC_BLOCK 0x8000000
1181
1182   /* Conditionally link this section; do not link if there are no
1183      references found to any symbol in the section.  */
1184 #define SEC_CLINK 0x10000000
1185
1186   /* Attempt to merge identical entities in the section.
1187      Entity size is given in the entsize field.  */
1188 #define SEC_MERGE 0x20000000
1189
1190   /* If given with SEC_MERGE, entities to merge are zero terminated
1191      strings where entsize specifies character size instead of fixed
1192      size entries.  */
1193 #define SEC_STRINGS 0x40000000
1194
1195   /* This section contains data about section groups.  */
1196 #define SEC_GROUP 0x80000000
1197
1198   /*  End of section flags.  */
1199
1200   /* Some internal packed boolean fields.  */
1201
1202   /* See the vma field.  */
1203   unsigned int user_set_vma : 1;
1204
1205   /* Whether relocations have been processed.  */
1206   unsigned int reloc_done : 1;
1207
1208   /* A mark flag used by some of the linker backends.  */
1209   unsigned int linker_mark : 1;
1210
1211   /* Another mark flag used by some of the linker backends.  Set for
1212      output sections that have an input section.  */
1213   unsigned int linker_has_input : 1;
1214
1215   /* A mark flag used by some linker backends for garbage collection.  */
1216   unsigned int gc_mark : 1;
1217
1218   /* Used by the ELF code to mark sections which have been allocated
1219      to segments.  */
1220   unsigned int segment_mark : 1;
1221
1222   /* End of internal packed boolean fields.  */
1223
1224   /*  The virtual memory address of the section - where it will be
1225       at run time.  The symbols are relocated against this.  The
1226       user_set_vma flag is maintained by bfd; if it's not set, the
1227       backend can assign addresses (for example, in <<a.out>>, where
1228       the default address for <<.data>> is dependent on the specific
1229       target and various flags).  */
1230   bfd_vma vma;
1231
1232   /*  The load address of the section - where it would be in a
1233       rom image; really only used for writing section header
1234       information.  */
1235   bfd_vma lma;
1236
1237   /* The size of the section in octets, as it will be output.
1238      Contains a value even if the section has no contents (e.g., the
1239      size of <<.bss>>).  This will be filled in after relocation.  */
1240   bfd_size_type _cooked_size;
1241
1242   /* The original size on disk of the section, in octets.  Normally this
1243      value is the same as the size, but if some relaxing has
1244      been done, then this value will be bigger.  */
1245   bfd_size_type _raw_size;
1246
1247   /* If this section is going to be output, then this value is the
1248      offset in *bytes* into the output section of the first byte in the
1249      input section (byte ==> smallest addressable unit on the
1250      target).  In most cases, if this was going to start at the
1251      100th octet (8-bit quantity) in the output section, this value
1252      would be 100.  However, if the target byte size is 16 bits
1253      (bfd_octets_per_byte is "2"), this value would be 50.  */
1254   bfd_vma output_offset;
1255
1256   /* The output section through which to map on output.  */
1257   struct sec *output_section;
1258
1259   /* The alignment requirement of the section, as an exponent of 2 -
1260      e.g., 3 aligns to 2^3 (or 8).  */
1261   unsigned int alignment_power;
1262
1263   /* If an input section, a pointer to a vector of relocation
1264      records for the data in this section.  */
1265   struct reloc_cache_entry *relocation;
1266
1267   /* If an output section, a pointer to a vector of pointers to
1268      relocation records for the data in this section.  */
1269   struct reloc_cache_entry **orelocation;
1270
1271   /* The number of relocation records in one of the above.  */
1272   unsigned reloc_count;
1273
1274   /* Information below is back end specific - and not always used
1275      or updated.  */
1276
1277   /* File position of section data.  */
1278   file_ptr filepos;
1279
1280   /* File position of relocation info.  */
1281   file_ptr rel_filepos;
1282
1283   /* File position of line data.  */
1284   file_ptr line_filepos;
1285
1286   /* Pointer to data for applications.  */
1287   PTR userdata;
1288
1289   /* If the SEC_IN_MEMORY flag is set, this points to the actual
1290      contents.  */
1291   unsigned char *contents;
1292
1293   /* Attached line number information.  */
1294   alent *lineno;
1295
1296   /* Number of line number records.  */
1297   unsigned int lineno_count;
1298
1299   /* Entity size for merging purposes.  */
1300   unsigned int entsize;
1301
1302   /* Optional information about a COMDAT entry; NULL if not COMDAT.  */
1303   struct bfd_comdat_info *comdat;
1304
1305   /* When a section is being output, this value changes as more
1306      linenumbers are written out.  */
1307   file_ptr moving_line_filepos;
1308
1309   /* What the section number is in the target world.  */
1310   int target_index;
1311
1312   PTR used_by_bfd;
1313
1314   /* If this is a constructor section then here is a list of the
1315      relocations created to relocate items within it.  */
1316   struct relent_chain *constructor_chain;
1317
1318   /* The BFD which owns the section.  */
1319   bfd *owner;
1320
1321   /* A symbol which points at this section only.  */
1322   struct symbol_cache_entry *symbol;
1323   struct symbol_cache_entry **symbol_ptr_ptr;
1324
1325   struct bfd_link_order *link_order_head;
1326   struct bfd_link_order *link_order_tail;
1327 } asection;
1328
1329 /* These sections are global, and are managed by BFD.  The application
1330    and target back end are not permitted to change the values in
1331    these sections.  New code should use the section_ptr macros rather
1332    than referring directly to the const sections.  The const sections
1333    may eventually vanish.  */
1334 #define BFD_ABS_SECTION_NAME "*ABS*"
1335 #define BFD_UND_SECTION_NAME "*UND*"
1336 #define BFD_COM_SECTION_NAME "*COM*"
1337 #define BFD_IND_SECTION_NAME "*IND*"
1338
1339 /* The absolute section.  */
1340 extern const asection bfd_abs_section;
1341 #define bfd_abs_section_ptr ((asection *) &bfd_abs_section)
1342 #define bfd_is_abs_section(sec) ((sec) == bfd_abs_section_ptr)
1343 /* Pointer to the undefined section.  */
1344 extern const asection bfd_und_section;
1345 #define bfd_und_section_ptr ((asection *) &bfd_und_section)
1346 #define bfd_is_und_section(sec) ((sec) == bfd_und_section_ptr)
1347 /* Pointer to the common section.  */
1348 extern const asection bfd_com_section;
1349 #define bfd_com_section_ptr ((asection *) &bfd_com_section)
1350 /* Pointer to the indirect section.  */
1351 extern const asection bfd_ind_section;
1352 #define bfd_ind_section_ptr ((asection *) &bfd_ind_section)
1353 #define bfd_is_ind_section(sec) ((sec) == bfd_ind_section_ptr)
1354
1355 #define bfd_is_const_section(SEC)              \
1356  (   ((SEC) == bfd_abs_section_ptr)            \
1357   || ((SEC) == bfd_und_section_ptr)            \
1358   || ((SEC) == bfd_com_section_ptr)            \
1359   || ((SEC) == bfd_ind_section_ptr))
1360
1361 extern const struct symbol_cache_entry * const bfd_abs_symbol;
1362 extern const struct symbol_cache_entry * const bfd_com_symbol;
1363 extern const struct symbol_cache_entry * const bfd_und_symbol;
1364 extern const struct symbol_cache_entry * const bfd_ind_symbol;
1365 #define bfd_get_section_size_before_reloc(section) \
1366      ((section)->reloc_done ? (abort (), (bfd_size_type) 1) \
1367                             : (section)->_raw_size)
1368 #define bfd_get_section_size_after_reloc(section) \
1369      ((section)->reloc_done ? (section)->_cooked_size \
1370                             : (abort (), (bfd_size_type) 1))
1371
1372 /* Macros to handle insertion and deletion of a bfd's sections.  These
1373    only handle the list pointers, ie. do not adjust section_count,
1374    target_index etc.  */
1375 #define bfd_section_list_remove(ABFD, PS) \
1376   do                                                   \
1377     {                                                  \
1378       asection **_ps = PS;                             \
1379       asection *_s = *_ps;                             \
1380       *_ps = _s->next;                                 \
1381       if (_s->next == NULL)                            \
1382         (ABFD)->section_tail = _ps;                    \
1383     }                                                  \
1384   while (0)
1385 #define bfd_section_list_insert(ABFD, PS, S) \
1386   do                                                   \
1387     {                                                  \
1388       asection **_ps = PS;                             \
1389       asection *_s = S;                                \
1390       _s->next = *_ps;                                 \
1391       *_ps = _s;                                       \
1392       if (_s->next == NULL)                            \
1393         (ABFD)->section_tail = &_s->next;              \
1394     }                                                  \
1395   while (0)
1396
1397 void
1398 bfd_section_list_clear PARAMS ((bfd *));
1399
1400 asection *
1401 bfd_get_section_by_name PARAMS ((bfd *abfd, const char *name));
1402
1403 char *
1404 bfd_get_unique_section_name PARAMS ((bfd *abfd,
1405     const char *templat,
1406     int *count));
1407
1408 asection *
1409 bfd_make_section_old_way PARAMS ((bfd *abfd, const char *name));
1410
1411 asection *
1412 bfd_make_section_anyway PARAMS ((bfd *abfd, const char *name));
1413
1414 asection *
1415 bfd_make_section PARAMS ((bfd *, const char *name));
1416
1417 boolean
1418 bfd_set_section_flags PARAMS ((bfd *abfd, asection *sec, flagword flags));
1419
1420 void
1421 bfd_map_over_sections PARAMS ((bfd *abfd,
1422     void (*func) (bfd *abfd,
1423     asection *sect,
1424     PTR obj),
1425     PTR obj));
1426
1427 boolean
1428 bfd_set_section_size PARAMS ((bfd *abfd, asection *sec, bfd_size_type val));
1429
1430 boolean
1431 bfd_set_section_contents PARAMS ((bfd *abfd, asection *section,
1432     PTR data, file_ptr offset,
1433     bfd_size_type count));
1434
1435 boolean
1436 bfd_get_section_contents PARAMS ((bfd *abfd, asection *section,
1437     PTR location, file_ptr offset,
1438     bfd_size_type count));
1439
1440 boolean
1441 bfd_copy_private_section_data PARAMS ((bfd *ibfd, asection *isec,
1442     bfd *obfd, asection *osec));
1443
1444 #define bfd_copy_private_section_data(ibfd, isection, obfd, osection) \
1445      BFD_SEND (obfd, _bfd_copy_private_section_data, \
1446                (ibfd, isection, obfd, osection))
1447 void
1448 _bfd_strip_section_from_output PARAMS ((struct bfd_link_info *info, asection *section));
1449
1450 enum bfd_architecture
1451 {
1452   bfd_arch_unknown,   /* File arch not known.  */
1453   bfd_arch_obscure,   /* Arch known, not one of these.  */
1454   bfd_arch_m68k,      /* Motorola 68xxx */
1455 #define bfd_mach_m68000 1
1456 #define bfd_mach_m68008 2
1457 #define bfd_mach_m68010 3
1458 #define bfd_mach_m68020 4
1459 #define bfd_mach_m68030 5
1460 #define bfd_mach_m68040 6
1461 #define bfd_mach_m68060 7
1462 #define bfd_mach_cpu32  8
1463 #define bfd_mach_mcf5200  9
1464 #define bfd_mach_mcf5206e 10
1465 #define bfd_mach_mcf5307  11
1466 #define bfd_mach_mcf5407  12
1467   bfd_arch_vax,       /* DEC Vax */
1468   bfd_arch_i960,      /* Intel 960 */
1469     /* The order of the following is important.
1470        lower number indicates a machine type that
1471        only accepts a subset of the instructions
1472        available to machines with higher numbers.
1473        The exception is the "ca", which is
1474        incompatible with all other machines except
1475        "core".  */
1476
1477 #define bfd_mach_i960_core      1
1478 #define bfd_mach_i960_ka_sa     2
1479 #define bfd_mach_i960_kb_sb     3
1480 #define bfd_mach_i960_mc        4
1481 #define bfd_mach_i960_xa        5
1482 #define bfd_mach_i960_ca        6
1483 #define bfd_mach_i960_jx        7
1484 #define bfd_mach_i960_hx        8
1485
1486   bfd_arch_or32,      /* OpenRISC 32 */
1487
1488   bfd_arch_a29k,      /* AMD 29000 */
1489   bfd_arch_sparc,     /* SPARC */
1490 #define bfd_mach_sparc                 1
1491 /* The difference between v8plus and v9 is that v9 is a true 64 bit env.  */
1492 #define bfd_mach_sparc_sparclet        2
1493 #define bfd_mach_sparc_sparclite       3
1494 #define bfd_mach_sparc_v8plus          4
1495 #define bfd_mach_sparc_v8plusa         5 /* with ultrasparc add'ns.  */
1496 #define bfd_mach_sparc_sparclite_le    6
1497 #define bfd_mach_sparc_v9              7
1498 #define bfd_mach_sparc_v9a             8 /* with ultrasparc add'ns.  */
1499 #define bfd_mach_sparc_v8plusb         9 /* with cheetah add'ns.  */
1500 #define bfd_mach_sparc_v9b             10 /* with cheetah add'ns.  */
1501 /* Nonzero if MACH has the v9 instruction set.  */
1502 #define bfd_mach_sparc_v9_p(mach) \
1503   ((mach) >= bfd_mach_sparc_v8plus && (mach) <= bfd_mach_sparc_v9b \
1504    && (mach) != bfd_mach_sparc_sparclite_le)
1505   bfd_arch_mips,      /* MIPS Rxxxx */
1506 #define bfd_mach_mips3000              3000
1507 #define bfd_mach_mips3900              3900
1508 #define bfd_mach_mips4000              4000
1509 #define bfd_mach_mips4010              4010
1510 #define bfd_mach_mips4100              4100
1511 #define bfd_mach_mips4111              4111
1512 #define bfd_mach_mips4300              4300
1513 #define bfd_mach_mips4400              4400
1514 #define bfd_mach_mips4600              4600
1515 #define bfd_mach_mips4650              4650
1516 #define bfd_mach_mips5000              5000
1517 #define bfd_mach_mips6000              6000
1518 #define bfd_mach_mips8000              8000
1519 #define bfd_mach_mips10000             10000
1520 #define bfd_mach_mips12000             12000
1521 #define bfd_mach_mips16                16
1522 #define bfd_mach_mips5                 5
1523 #define bfd_mach_mips_sb1              12310201 /* octal 'SB', 01 */
1524 #define bfd_mach_mipsisa32             32
1525 #define bfd_mach_mipsisa64             64
1526   bfd_arch_i386,      /* Intel 386 */
1527 #define bfd_mach_i386_i386 0
1528 #define bfd_mach_i386_i8086 1
1529 #define bfd_mach_i386_i386_intel_syntax 2
1530 #define bfd_mach_x86_64 3
1531 #define bfd_mach_x86_64_intel_syntax 4
1532   bfd_arch_we32k,     /* AT&T WE32xxx */
1533   bfd_arch_tahoe,     /* CCI/Harris Tahoe */
1534   bfd_arch_i860,      /* Intel 860 */
1535   bfd_arch_i370,      /* IBM 360/370 Mainframes */
1536   bfd_arch_romp,      /* IBM ROMP PC/RT */
1537   bfd_arch_alliant,   /* Alliant */
1538   bfd_arch_convex,    /* Convex */
1539   bfd_arch_m88k,      /* Motorola 88xxx */
1540   bfd_arch_pyramid,   /* Pyramid Technology */
1541   bfd_arch_h8300,     /* Hitachi H8/300 */
1542 #define bfd_mach_h8300   1
1543 #define bfd_mach_h8300h  2
1544 #define bfd_mach_h8300s  3
1545   bfd_arch_pdp11,     /* DEC PDP-11 */
1546   bfd_arch_powerpc,   /* PowerPC */
1547 #define bfd_mach_ppc           0
1548 #define bfd_mach_ppc64         1
1549 #define bfd_mach_ppc_403       403
1550 #define bfd_mach_ppc_403gc     4030
1551 #define bfd_mach_ppc_505       505
1552 #define bfd_mach_ppc_601       601
1553 #define bfd_mach_ppc_602       602
1554 #define bfd_mach_ppc_603       603
1555 #define bfd_mach_ppc_ec603e    6031
1556 #define bfd_mach_ppc_604       604
1557 #define bfd_mach_ppc_620       620
1558 #define bfd_mach_ppc_630       630
1559 #define bfd_mach_ppc_750       750
1560 #define bfd_mach_ppc_860       860
1561 #define bfd_mach_ppc_a35       35
1562 #define bfd_mach_ppc_rs64ii    642
1563 #define bfd_mach_ppc_rs64iii   643
1564 #define bfd_mach_ppc_7400      7400
1565   bfd_arch_rs6000,    /* IBM RS/6000 */
1566 #define bfd_mach_rs6k          0
1567 #define bfd_mach_rs6k_rs1      6001
1568 #define bfd_mach_rs6k_rsc      6003
1569 #define bfd_mach_rs6k_rs2      6002
1570   bfd_arch_hppa,      /* HP PA RISC */
1571   bfd_arch_d10v,      /* Mitsubishi D10V */
1572 #define bfd_mach_d10v          0
1573 #define bfd_mach_d10v_ts2      2
1574 #define bfd_mach_d10v_ts3      3
1575   bfd_arch_d30v,      /* Mitsubishi D30V */
1576   bfd_arch_m68hc11,   /* Motorola 68HC11 */
1577   bfd_arch_m68hc12,   /* Motorola 68HC12 */
1578   bfd_arch_z8k,       /* Zilog Z8000 */
1579 #define bfd_mach_z8001         1
1580 #define bfd_mach_z8002         2
1581   bfd_arch_h8500,     /* Hitachi H8/500 */
1582   bfd_arch_sh,        /* Hitachi SH */
1583 #define bfd_mach_sh            0
1584 #define bfd_mach_sh2        0x20
1585 #define bfd_mach_sh_dsp     0x2d
1586 #define bfd_mach_sh3        0x30
1587 #define bfd_mach_sh3_dsp    0x3d
1588 #define bfd_mach_sh3e       0x3e
1589 #define bfd_mach_sh4        0x40
1590 #define bfd_mach_sh5        0x50
1591   bfd_arch_alpha,     /* Dec Alpha */
1592 #define bfd_mach_alpha_ev4  0x10
1593 #define bfd_mach_alpha_ev5  0x20
1594 #define bfd_mach_alpha_ev6  0x30
1595   bfd_arch_arm,       /* Advanced Risc Machines ARM.  */
1596 #define bfd_mach_arm_2         1
1597 #define bfd_mach_arm_2a        2
1598 #define bfd_mach_arm_3         3
1599 #define bfd_mach_arm_3M        4
1600 #define bfd_mach_arm_4         5
1601 #define bfd_mach_arm_4T        6
1602 #define bfd_mach_arm_5         7
1603 #define bfd_mach_arm_5T        8
1604 #define bfd_mach_arm_5TE       9
1605 #define bfd_mach_arm_XScale    10
1606   bfd_arch_ns32k,     /* National Semiconductors ns32000 */
1607   bfd_arch_w65,       /* WDC 65816 */
1608   bfd_arch_tic30,     /* Texas Instruments TMS320C30 */
1609   bfd_arch_tic54x,    /* Texas Instruments TMS320C54X */
1610   bfd_arch_tic80,     /* TI TMS320c80 (MVP) */
1611   bfd_arch_v850,      /* NEC V850 */
1612 #define bfd_mach_v850          0
1613 #define bfd_mach_v850e         'E'
1614 #define bfd_mach_v850ea        'A'
1615   bfd_arch_arc,       /* ARC Cores */
1616 #define bfd_mach_arc_5         0
1617 #define bfd_mach_arc_6         1
1618 #define bfd_mach_arc_7         2
1619 #define bfd_mach_arc_8         3
1620   bfd_arch_m32r,      /* Mitsubishi M32R/D */
1621 #define bfd_mach_m32r          0 /* For backwards compatibility.  */
1622 #define bfd_mach_m32rx         'x'
1623   bfd_arch_mn10200,   /* Matsushita MN10200 */
1624   bfd_arch_mn10300,   /* Matsushita MN10300 */
1625 #define bfd_mach_mn10300               300
1626 #define bfd_mach_am33          330
1627   bfd_arch_fr30,
1628 #define bfd_mach_fr30          0x46523330
1629   bfd_arch_mcore,
1630   bfd_arch_ia64,      /* HP/Intel ia64 */
1631 #define bfd_mach_ia64_elf64    0
1632 #define bfd_mach_ia64_elf32    1
1633   bfd_arch_pj,
1634   bfd_arch_avr,       /* Atmel AVR microcontrollers.  */
1635 #define bfd_mach_avr1          1
1636 #define bfd_mach_avr2          2
1637 #define bfd_mach_avr3          3
1638 #define bfd_mach_avr4          4
1639 #define bfd_mach_avr5          5
1640   bfd_arch_cris,      /* Axis CRIS */
1641   bfd_arch_s390,      /* IBM s390 */
1642 #define bfd_mach_s390_31       0
1643 #define bfd_mach_s390_64       1
1644   bfd_arch_openrisc,  /* OpenRISC */
1645   bfd_arch_mmix,      /* Donald Knuth's educational processor.  */
1646   bfd_arch_xstormy16,
1647 #define bfd_mach_xstormy16     0
1648   bfd_arch_last
1649   };
1650
1651 typedef struct bfd_arch_info
1652 {
1653   int bits_per_word;
1654   int bits_per_address;
1655   int bits_per_byte;
1656   enum bfd_architecture arch;
1657   unsigned long mach;
1658   const char *arch_name;
1659   const char *printable_name;
1660   unsigned int section_align_power;
1661   /* True if this is the default machine for the architecture.
1662      The default arch should be the first entry for an arch so that
1663      all the entries for that arch can be accessed via <<next>>.  */
1664   boolean the_default;
1665   const struct bfd_arch_info * (*compatible)
1666        PARAMS ((const struct bfd_arch_info *a,
1667                 const struct bfd_arch_info *b));
1668
1669   boolean (*scan) PARAMS ((const struct bfd_arch_info *, const char *));
1670
1671   const struct bfd_arch_info *next;
1672 }
1673 bfd_arch_info_type;
1674
1675 const char *
1676 bfd_printable_name PARAMS ((bfd *abfd));
1677
1678 const bfd_arch_info_type *
1679 bfd_scan_arch PARAMS ((const char *string));
1680
1681 const char **
1682 bfd_arch_list PARAMS ((void));
1683
1684 const bfd_arch_info_type *
1685 bfd_arch_get_compatible PARAMS ((
1686     const bfd *abfd,
1687     const bfd *bbfd));
1688
1689 void
1690 bfd_set_arch_info PARAMS ((bfd *abfd, const bfd_arch_info_type *arg));
1691
1692 enum bfd_architecture
1693 bfd_get_arch PARAMS ((bfd *abfd));
1694
1695 unsigned long
1696 bfd_get_mach PARAMS ((bfd *abfd));
1697
1698 unsigned int
1699 bfd_arch_bits_per_byte PARAMS ((bfd *abfd));
1700
1701 unsigned int
1702 bfd_arch_bits_per_address PARAMS ((bfd *abfd));
1703
1704 const bfd_arch_info_type *
1705 bfd_get_arch_info PARAMS ((bfd *abfd));
1706
1707 const bfd_arch_info_type *
1708 bfd_lookup_arch PARAMS ((enum bfd_architecture
1709     arch,
1710     unsigned long machine));
1711
1712 const char *
1713 bfd_printable_arch_mach PARAMS ((enum bfd_architecture arch, unsigned long machine));
1714
1715 unsigned int
1716 bfd_octets_per_byte PARAMS ((bfd *abfd));
1717
1718 unsigned int
1719 bfd_arch_mach_octets_per_byte PARAMS ((enum bfd_architecture arch,
1720     unsigned long machine));
1721
1722 typedef enum bfd_reloc_status
1723 {
1724   /* No errors detected.  */
1725   bfd_reloc_ok,
1726
1727   /* The relocation was performed, but there was an overflow.  */
1728   bfd_reloc_overflow,
1729
1730   /* The address to relocate was not within the section supplied.  */
1731   bfd_reloc_outofrange,
1732
1733   /* Used by special functions.  */
1734   bfd_reloc_continue,
1735
1736   /* Unsupported relocation size requested.  */
1737   bfd_reloc_notsupported,
1738
1739   /* Unused.  */
1740   bfd_reloc_other,
1741
1742   /* The symbol to relocate against was undefined.  */
1743   bfd_reloc_undefined,
1744
1745   /* The relocation was performed, but may not be ok - presently
1746      generated only when linking i960 coff files with i960 b.out
1747      symbols.  If this type is returned, the error_message argument
1748      to bfd_perform_relocation will be set.  */
1749   bfd_reloc_dangerous
1750  }
1751  bfd_reloc_status_type;
1752
1753
1754 typedef struct reloc_cache_entry
1755 {
1756   /* A pointer into the canonical table of pointers.  */
1757   struct symbol_cache_entry **sym_ptr_ptr;
1758
1759   /* offset in section.  */
1760   bfd_size_type address;
1761
1762   /* addend for relocation value.  */
1763   bfd_vma addend;
1764
1765   /* Pointer to how to perform the required relocation.  */
1766   reloc_howto_type *howto;
1767
1768 }
1769 arelent;
1770
1771 enum complain_overflow
1772 {
1773   /* Do not complain on overflow.  */
1774   complain_overflow_dont,
1775
1776   /* Complain if the bitfield overflows, whether it is considered
1777      as signed or unsigned.  */
1778   complain_overflow_bitfield,
1779
1780   /* Complain if the value overflows when considered as signed
1781      number.  */
1782   complain_overflow_signed,
1783
1784   /* Complain if the value overflows when considered as an
1785      unsigned number.  */
1786   complain_overflow_unsigned
1787 };
1788
1789 struct reloc_howto_struct
1790 {
1791   /*  The type field has mainly a documentary use - the back end can
1792       do what it wants with it, though normally the back end's
1793       external idea of what a reloc number is stored
1794       in this field.  For example, a PC relative word relocation
1795       in a coff environment has the type 023 - because that's
1796       what the outside world calls a R_PCRWORD reloc.  */
1797   unsigned int type;
1798
1799   /*  The value the final relocation is shifted right by.  This drops
1800       unwanted data from the relocation.  */
1801   unsigned int rightshift;
1802
1803   /*  The size of the item to be relocated.  This is *not* a
1804       power-of-two measure.  To get the number of bytes operated
1805       on by a type of relocation, use bfd_get_reloc_size.  */
1806   int size;
1807
1808   /*  The number of bits in the item to be relocated.  This is used
1809       when doing overflow checking.  */
1810   unsigned int bitsize;
1811
1812   /*  Notes that the relocation is relative to the location in the
1813       data section of the addend.  The relocation function will
1814       subtract from the relocation value the address of the location
1815       being relocated.  */
1816   boolean pc_relative;
1817
1818   /*  The bit position of the reloc value in the destination.
1819       The relocated value is left shifted by this amount.  */
1820   unsigned int bitpos;
1821
1822   /* What type of overflow error should be checked for when
1823      relocating.  */
1824   enum complain_overflow complain_on_overflow;
1825
1826   /* If this field is non null, then the supplied function is
1827      called rather than the normal function.  This allows really
1828      strange relocation methods to be accomodated (e.g., i960 callj
1829      instructions).  */
1830   bfd_reloc_status_type (*special_function)
1831     PARAMS ((bfd *, arelent *, struct symbol_cache_entry *, PTR, asection *,
1832              bfd *, char **));
1833
1834   /* The textual name of the relocation type.  */
1835   char *name;
1836
1837   /* Some formats record a relocation addend in the section contents
1838      rather than with the relocation.  For ELF formats this is the
1839      distinction between USE_REL and USE_RELA (though the code checks
1840      for USE_REL == 1/0).  The value of this field is TRUE if the
1841      addend is recorded with the section contents; when performing a
1842      partial link (ld -r) the section contents (the data) will be
1843      modified.  The value of this field is FALSE if addends are
1844      recorded with the relocation (in arelent.addend); when performing
1845      a partial link the relocation will be modified.
1846      All relocations for all ELF USE_RELA targets should set this field
1847      to FALSE (values of TRUE should be looked on with suspicion).
1848      However, the converse is not true: not all relocations of all ELF
1849      USE_REL targets set this field to TRUE.  Why this is so is peculiar
1850      to each particular target.  For relocs that aren't used in partial
1851      links (e.g. GOT stuff) it doesn't matter what this is set to.  */
1852   boolean partial_inplace;
1853
1854   /* The src_mask selects which parts of the read in data
1855      are to be used in the relocation sum.  E.g., if this was an 8 bit
1856      byte of data which we read and relocated, this would be
1857      0x000000ff.  When we have relocs which have an addend, such as
1858      sun4 extended relocs, the value in the offset part of a
1859      relocating field is garbage so we never use it.  In this case
1860      the mask would be 0x00000000.  */
1861   bfd_vma src_mask;
1862
1863   /* The dst_mask selects which parts of the instruction are replaced
1864      into the instruction.  In most cases src_mask == dst_mask,
1865      except in the above special case, where dst_mask would be
1866      0x000000ff, and src_mask would be 0x00000000.  */
1867   bfd_vma dst_mask;
1868
1869   /* When some formats create PC relative instructions, they leave
1870      the value of the pc of the place being relocated in the offset
1871      slot of the instruction, so that a PC relative relocation can
1872      be made just by adding in an ordinary offset (e.g., sun3 a.out).
1873      Some formats leave the displacement part of an instruction
1874      empty (e.g., m88k bcs); this flag signals the fact.  */
1875   boolean pcrel_offset;
1876 };
1877
1878 #define HOWTO(C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \
1879   { (unsigned) C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC }
1880 #define NEWHOWTO(FUNCTION, NAME, SIZE, REL, IN) \
1881   HOWTO (0, 0, SIZE, 0, REL, 0, complain_overflow_dont, FUNCTION, \
1882          NAME, false, 0, 0, IN)
1883
1884 #define EMPTY_HOWTO(C) \
1885   HOWTO ((C), 0, 0, 0, false, 0, complain_overflow_dont, NULL, \
1886          NULL, false, 0, 0, false)
1887
1888 #define HOWTO_PREPARE(relocation, symbol)               \
1889   {                                                     \
1890     if (symbol != (asymbol *) NULL)                     \
1891       {                                                 \
1892         if (bfd_is_com_section (symbol->section))       \
1893           {                                             \
1894             relocation = 0;                             \
1895           }                                             \
1896         else                                            \
1897           {                                             \
1898             relocation = symbol->value;                 \
1899           }                                             \
1900       }                                                 \
1901   }
1902
1903 unsigned int
1904 bfd_get_reloc_size PARAMS ((reloc_howto_type *));
1905
1906 typedef struct relent_chain
1907 {
1908   arelent relent;
1909   struct relent_chain *next;
1910 }
1911 arelent_chain;
1912
1913 bfd_reloc_status_type
1914 bfd_check_overflow PARAMS ((enum complain_overflow how,
1915     unsigned int bitsize,
1916     unsigned int rightshift,
1917     unsigned int addrsize,
1918     bfd_vma relocation));
1919
1920 bfd_reloc_status_type
1921 bfd_perform_relocation PARAMS ((bfd *abfd,
1922     arelent *reloc_entry,
1923     PTR data,
1924     asection *input_section,
1925     bfd *output_bfd,
1926     char **error_message));
1927
1928 bfd_reloc_status_type
1929 bfd_install_relocation PARAMS ((bfd *abfd,
1930     arelent *reloc_entry,
1931     PTR data, bfd_vma data_start,
1932     asection *input_section,
1933     char **error_message));
1934
1935 enum bfd_reloc_code_real {
1936   _dummy_first_bfd_reloc_code_real,
1937
1938
1939 /* Basic absolute relocations of N bits.  */
1940   BFD_RELOC_64,
1941   BFD_RELOC_32,
1942   BFD_RELOC_26,
1943   BFD_RELOC_24,
1944   BFD_RELOC_16,
1945   BFD_RELOC_14,
1946   BFD_RELOC_8,
1947
1948 /* PC-relative relocations.  Sometimes these are relative to the address
1949 of the relocation itself; sometimes they are relative to the start of
1950 the section containing the relocation.  It depends on the specific target.
1951
1952 The 24-bit relocation is used in some Intel 960 configurations.  */
1953   BFD_RELOC_64_PCREL,
1954   BFD_RELOC_32_PCREL,
1955   BFD_RELOC_24_PCREL,
1956   BFD_RELOC_16_PCREL,
1957   BFD_RELOC_12_PCREL,
1958   BFD_RELOC_8_PCREL,
1959
1960 /* For ELF.  */
1961   BFD_RELOC_32_GOT_PCREL,
1962   BFD_RELOC_16_GOT_PCREL,
1963   BFD_RELOC_8_GOT_PCREL,
1964   BFD_RELOC_32_GOTOFF,
1965   BFD_RELOC_16_GOTOFF,
1966   BFD_RELOC_LO16_GOTOFF,
1967   BFD_RELOC_HI16_GOTOFF,
1968   BFD_RELOC_HI16_S_GOTOFF,
1969   BFD_RELOC_8_GOTOFF,
1970   BFD_RELOC_64_PLT_PCREL,
1971   BFD_RELOC_32_PLT_PCREL,
1972   BFD_RELOC_24_PLT_PCREL,
1973   BFD_RELOC_16_PLT_PCREL,
1974   BFD_RELOC_8_PLT_PCREL,
1975   BFD_RELOC_64_PLTOFF,
1976   BFD_RELOC_32_PLTOFF,
1977   BFD_RELOC_16_PLTOFF,
1978   BFD_RELOC_LO16_PLTOFF,
1979   BFD_RELOC_HI16_PLTOFF,
1980   BFD_RELOC_HI16_S_PLTOFF,
1981   BFD_RELOC_8_PLTOFF,
1982
1983 /* Relocations used by 68K ELF.  */
1984   BFD_RELOC_68K_GLOB_DAT,
1985   BFD_RELOC_68K_JMP_SLOT,
1986   BFD_RELOC_68K_RELATIVE,
1987
1988 /* Linkage-table relative.  */
1989   BFD_RELOC_32_BASEREL,
1990   BFD_RELOC_16_BASEREL,
1991   BFD_RELOC_LO16_BASEREL,
1992   BFD_RELOC_HI16_BASEREL,
1993   BFD_RELOC_HI16_S_BASEREL,
1994   BFD_RELOC_8_BASEREL,
1995   BFD_RELOC_RVA,
1996
1997 /* Absolute 8-bit relocation, but used to form an address like 0xFFnn.  */
1998   BFD_RELOC_8_FFnn,
1999
2000 /* These PC-relative relocations are stored as word displacements --
2001 i.e., byte displacements shifted right two bits.  The 30-bit word
2002 displacement (<<32_PCREL_S2>> -- 32 bits, shifted 2) is used on the
2003 SPARC.  (SPARC tools generally refer to this as <<WDISP30>>.)  The
2004 signed 16-bit displacement is used on the MIPS, and the 23-bit
2005 displacement is used on the Alpha.  */
2006   BFD_RELOC_32_PCREL_S2,
2007   BFD_RELOC_16_PCREL_S2,
2008   BFD_RELOC_23_PCREL_S2,
2009
2010 /* High 22 bits and low 10 bits of 32-bit value, placed into lower bits of
2011 the target word.  These are used on the SPARC.  */
2012   BFD_RELOC_HI22,
2013   BFD_RELOC_LO10,
2014
2015 /* For systems that allocate a Global Pointer register, these are
2016 displacements off that register.  These relocation types are
2017 handled specially, because the value the register will have is
2018 decided relatively late.  */
2019   BFD_RELOC_GPREL16,
2020   BFD_RELOC_GPREL32,
2021
2022 /* Reloc types used for i960/b.out.  */
2023   BFD_RELOC_I960_CALLJ,
2024
2025 /* SPARC ELF relocations.  There is probably some overlap with other
2026 relocation types already defined.  */
2027   BFD_RELOC_NONE,
2028   BFD_RELOC_SPARC_WDISP22,
2029   BFD_RELOC_SPARC22,
2030   BFD_RELOC_SPARC13,
2031   BFD_RELOC_SPARC_GOT10,
2032   BFD_RELOC_SPARC_GOT13,
2033   BFD_RELOC_SPARC_GOT22,
2034   BFD_RELOC_SPARC_PC10,
2035   BFD_RELOC_SPARC_PC22,
2036   BFD_RELOC_SPARC_WPLT30,
2037   BFD_RELOC_SPARC_COPY,
2038   BFD_RELOC_SPARC_GLOB_DAT,
2039   BFD_RELOC_SPARC_JMP_SLOT,
2040   BFD_RELOC_SPARC_RELATIVE,
2041   BFD_RELOC_SPARC_UA16,
2042   BFD_RELOC_SPARC_UA32,
2043   BFD_RELOC_SPARC_UA64,
2044
2045 /* I think these are specific to SPARC a.out (e.g., Sun 4).  */
2046   BFD_RELOC_SPARC_BASE13,
2047   BFD_RELOC_SPARC_BASE22,
2048
2049 /* SPARC64 relocations  */
2050 #define BFD_RELOC_SPARC_64 BFD_RELOC_64
2051   BFD_RELOC_SPARC_10,
2052   BFD_RELOC_SPARC_11,
2053   BFD_RELOC_SPARC_OLO10,
2054   BFD_RELOC_SPARC_HH22,
2055   BFD_RELOC_SPARC_HM10,
2056   BFD_RELOC_SPARC_LM22,
2057   BFD_RELOC_SPARC_PC_HH22,
2058   BFD_RELOC_SPARC_PC_HM10,
2059   BFD_RELOC_SPARC_PC_LM22,
2060   BFD_RELOC_SPARC_WDISP16,
2061   BFD_RELOC_SPARC_WDISP19,
2062   BFD_RELOC_SPARC_7,
2063   BFD_RELOC_SPARC_6,
2064   BFD_RELOC_SPARC_5,
2065 #define BFD_RELOC_SPARC_DISP64 BFD_RELOC_64_PCREL
2066   BFD_RELOC_SPARC_PLT32,
2067   BFD_RELOC_SPARC_PLT64,
2068   BFD_RELOC_SPARC_HIX22,
2069   BFD_RELOC_SPARC_LOX10,
2070   BFD_RELOC_SPARC_H44,
2071   BFD_RELOC_SPARC_M44,
2072   BFD_RELOC_SPARC_L44,
2073   BFD_RELOC_SPARC_REGISTER,
2074
2075 /* SPARC little endian relocation  */
2076   BFD_RELOC_SPARC_REV32,
2077
2078 /* Alpha ECOFF and ELF relocations.  Some of these treat the symbol or
2079 "addend" in some special way.
2080 For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when
2081 writing; when reading, it will be the absolute section symbol.  The
2082 addend is the displacement in bytes of the "lda" instruction from
2083 the "ldah" instruction (which is at the address of this reloc).  */
2084   BFD_RELOC_ALPHA_GPDISP_HI16,
2085
2086 /* For GPDISP_LO16 ("ignore") relocations, the symbol is handled as
2087 with GPDISP_HI16 relocs.  The addend is ignored when writing the
2088 relocations out, and is filled in with the file's GP value on
2089 reading, for convenience.  */
2090   BFD_RELOC_ALPHA_GPDISP_LO16,
2091
2092 /* The ELF GPDISP relocation is exactly the same as the GPDISP_HI16
2093 relocation except that there is no accompanying GPDISP_LO16
2094 relocation.  */
2095   BFD_RELOC_ALPHA_GPDISP,
2096
2097 /* The Alpha LITERAL/LITUSE relocs are produced by a symbol reference;
2098 the assembler turns it into a LDQ instruction to load the address of
2099 the symbol, and then fills in a register in the real instruction.
2100
2101 The LITERAL reloc, at the LDQ instruction, refers to the .lita
2102 section symbol.  The addend is ignored when writing, but is filled
2103 in with the file's GP value on reading, for convenience, as with the
2104 GPDISP_LO16 reloc.
2105
2106 The ELF_LITERAL reloc is somewhere between 16_GOTOFF and GPDISP_LO16.
2107 It should refer to the symbol to be referenced, as with 16_GOTOFF,
2108 but it generates output not based on the position within the .got
2109 section, but relative to the GP value chosen for the file during the
2110 final link stage.
2111
2112 The LITUSE reloc, on the instruction using the loaded address, gives
2113 information to the linker that it might be able to use to optimize
2114 away some literal section references.  The symbol is ignored (read
2115 as the absolute section symbol), and the "addend" indicates the type
2116 of instruction using the register:
2117 1 - "memory" fmt insn
2118 2 - byte-manipulation (byte offset reg)
2119 3 - jsr (target of branch)  */
2120   BFD_RELOC_ALPHA_LITERAL,
2121   BFD_RELOC_ALPHA_ELF_LITERAL,
2122   BFD_RELOC_ALPHA_LITUSE,
2123
2124 /* The HINT relocation indicates a value that should be filled into the
2125 "hint" field of a jmp/jsr/ret instruction, for possible branch-
2126 prediction logic which may be provided on some processors.  */
2127   BFD_RELOC_ALPHA_HINT,
2128
2129 /* The LINKAGE relocation outputs a linkage pair in the object file,
2130 which is filled by the linker.  */
2131   BFD_RELOC_ALPHA_LINKAGE,
2132
2133 /* The CODEADDR relocation outputs a STO_CA in the object file,
2134 which is filled by the linker.  */
2135   BFD_RELOC_ALPHA_CODEADDR,
2136
2137 /* The GPREL_HI/LO relocations together form a 32-bit offset from the
2138 GP register.  */
2139   BFD_RELOC_ALPHA_GPREL_HI16,
2140   BFD_RELOC_ALPHA_GPREL_LO16,
2141
2142 /* Like BFD_RELOC_23_PCREL_S2, except that the source and target must
2143 share a common GP, and the target address is adjusted for
2144 STO_ALPHA_STD_GPLOAD.  */
2145   BFD_RELOC_ALPHA_BRSGP,
2146
2147 /* Bits 27..2 of the relocation address shifted right 2 bits;
2148 simple reloc otherwise.  */
2149   BFD_RELOC_MIPS_JMP,
2150
2151 /* The MIPS16 jump instruction.  */
2152   BFD_RELOC_MIPS16_JMP,
2153
2154 /* MIPS16 GP relative reloc.  */
2155   BFD_RELOC_MIPS16_GPREL,
2156
2157 /* High 16 bits of 32-bit value; simple reloc.  */
2158   BFD_RELOC_HI16,
2159
2160 /* High 16 bits of 32-bit value but the low 16 bits will be sign
2161 extended and added to form the final result.  If the low 16
2162 bits form a negative number, we need to add one to the high value
2163 to compensate for the borrow when the low bits are added.  */
2164   BFD_RELOC_HI16_S,
2165
2166 /* Low 16 bits.  */
2167   BFD_RELOC_LO16,
2168
2169 /* Like BFD_RELOC_HI16_S, but PC relative.  */
2170   BFD_RELOC_PCREL_HI16_S,
2171
2172 /* Like BFD_RELOC_LO16, but PC relative.  */
2173   BFD_RELOC_PCREL_LO16,
2174
2175 /* Relocation against a MIPS literal section.  */
2176   BFD_RELOC_MIPS_LITERAL,
2177
2178 /* MIPS ELF relocations.  */
2179   BFD_RELOC_MIPS_GOT16,
2180   BFD_RELOC_MIPS_CALL16,
2181   BFD_RELOC_MIPS_GOT_HI16,
2182   BFD_RELOC_MIPS_GOT_LO16,
2183   BFD_RELOC_MIPS_CALL_HI16,
2184   BFD_RELOC_MIPS_CALL_LO16,
2185   BFD_RELOC_MIPS_SUB,
2186   BFD_RELOC_MIPS_GOT_PAGE,
2187   BFD_RELOC_MIPS_GOT_OFST,
2188   BFD_RELOC_MIPS_GOT_DISP,
2189   BFD_RELOC_MIPS_SHIFT5,
2190   BFD_RELOC_MIPS_SHIFT6,
2191   BFD_RELOC_MIPS_INSERT_A,
2192   BFD_RELOC_MIPS_INSERT_B,
2193   BFD_RELOC_MIPS_DELETE,
2194   BFD_RELOC_MIPS_HIGHEST,
2195   BFD_RELOC_MIPS_HIGHER,
2196   BFD_RELOC_MIPS_SCN_DISP,
2197   BFD_RELOC_MIPS_REL16,
2198   BFD_RELOC_MIPS_RELGOT,
2199   BFD_RELOC_MIPS_JALR,
2200
2201
2202 /* i386/elf relocations  */
2203   BFD_RELOC_386_GOT32,
2204   BFD_RELOC_386_PLT32,
2205   BFD_RELOC_386_COPY,
2206   BFD_RELOC_386_GLOB_DAT,
2207   BFD_RELOC_386_JUMP_SLOT,
2208   BFD_RELOC_386_RELATIVE,
2209   BFD_RELOC_386_GOTOFF,
2210   BFD_RELOC_386_GOTPC,
2211   BFD_RELOC_386_TLS_LE,
2212   BFD_RELOC_386_TLS_GD,
2213   BFD_RELOC_386_TLS_LDM,
2214   BFD_RELOC_386_TLS_LDO_32,
2215   BFD_RELOC_386_TLS_IE_32,
2216   BFD_RELOC_386_TLS_LE_32,
2217   BFD_RELOC_386_TLS_DTPMOD32,
2218   BFD_RELOC_386_TLS_DTPOFF32,
2219   BFD_RELOC_386_TLS_TPOFF32,
2220
2221 /* x86-64/elf relocations  */
2222   BFD_RELOC_X86_64_GOT32,
2223   BFD_RELOC_X86_64_PLT32,
2224   BFD_RELOC_X86_64_COPY,
2225   BFD_RELOC_X86_64_GLOB_DAT,
2226   BFD_RELOC_X86_64_JUMP_SLOT,
2227   BFD_RELOC_X86_64_RELATIVE,
2228   BFD_RELOC_X86_64_GOTPCREL,
2229   BFD_RELOC_X86_64_32S,
2230
2231 /* ns32k relocations  */
2232   BFD_RELOC_NS32K_IMM_8,
2233   BFD_RELOC_NS32K_IMM_16,
2234   BFD_RELOC_NS32K_IMM_32,
2235   BFD_RELOC_NS32K_IMM_8_PCREL,
2236   BFD_RELOC_NS32K_IMM_16_PCREL,
2237   BFD_RELOC_NS32K_IMM_32_PCREL,
2238   BFD_RELOC_NS32K_DISP_8,
2239   BFD_RELOC_NS32K_DISP_16,
2240   BFD_RELOC_NS32K_DISP_32,
2241   BFD_RELOC_NS32K_DISP_8_PCREL,
2242   BFD_RELOC_NS32K_DISP_16_PCREL,
2243   BFD_RELOC_NS32K_DISP_32_PCREL,
2244
2245 /* PDP11 relocations  */
2246   BFD_RELOC_PDP11_DISP_8_PCREL,
2247   BFD_RELOC_PDP11_DISP_6_PCREL,
2248
2249 /* Picojava relocs.  Not all of these appear in object files.  */
2250   BFD_RELOC_PJ_CODE_HI16,
2251   BFD_RELOC_PJ_CODE_LO16,
2252   BFD_RELOC_PJ_CODE_DIR16,
2253   BFD_RELOC_PJ_CODE_DIR32,
2254   BFD_RELOC_PJ_CODE_REL16,
2255   BFD_RELOC_PJ_CODE_REL32,
2256
2257 /* Power(rs6000) and PowerPC relocations.  */
2258   BFD_RELOC_PPC_B26,
2259   BFD_RELOC_PPC_BA26,
2260   BFD_RELOC_PPC_TOC16,
2261   BFD_RELOC_PPC_B16,
2262   BFD_RELOC_PPC_B16_BRTAKEN,
2263   BFD_RELOC_PPC_B16_BRNTAKEN,
2264   BFD_RELOC_PPC_BA16,
2265   BFD_RELOC_PPC_BA16_BRTAKEN,
2266   BFD_RELOC_PPC_BA16_BRNTAKEN,
2267   BFD_RELOC_PPC_COPY,
2268   BFD_RELOC_PPC_GLOB_DAT,
2269   BFD_RELOC_PPC_JMP_SLOT,
2270   BFD_RELOC_PPC_RELATIVE,
2271   BFD_RELOC_PPC_LOCAL24PC,
2272   BFD_RELOC_PPC_EMB_NADDR32,
2273   BFD_RELOC_PPC_EMB_NADDR16,
2274   BFD_RELOC_PPC_EMB_NADDR16_LO,
2275   BFD_RELOC_PPC_EMB_NADDR16_HI,
2276   BFD_RELOC_PPC_EMB_NADDR16_HA,
2277   BFD_RELOC_PPC_EMB_SDAI16,
2278   BFD_RELOC_PPC_EMB_SDA2I16,
2279   BFD_RELOC_PPC_EMB_SDA2REL,
2280   BFD_RELOC_PPC_EMB_SDA21,
2281   BFD_RELOC_PPC_EMB_MRKREF,
2282   BFD_RELOC_PPC_EMB_RELSEC16,
2283   BFD_RELOC_PPC_EMB_RELST_LO,
2284   BFD_RELOC_PPC_EMB_RELST_HI,
2285   BFD_RELOC_PPC_EMB_RELST_HA,
2286   BFD_RELOC_PPC_EMB_BIT_FLD,
2287   BFD_RELOC_PPC_EMB_RELSDA,
2288   BFD_RELOC_PPC64_HIGHER,
2289   BFD_RELOC_PPC64_HIGHER_S,
2290   BFD_RELOC_PPC64_HIGHEST,
2291   BFD_RELOC_PPC64_HIGHEST_S,
2292   BFD_RELOC_PPC64_TOC16_LO,
2293   BFD_RELOC_PPC64_TOC16_HI,
2294   BFD_RELOC_PPC64_TOC16_HA,
2295   BFD_RELOC_PPC64_TOC,
2296   BFD_RELOC_PPC64_PLTGOT16,
2297   BFD_RELOC_PPC64_PLTGOT16_LO,
2298   BFD_RELOC_PPC64_PLTGOT16_HI,
2299   BFD_RELOC_PPC64_PLTGOT16_HA,
2300   BFD_RELOC_PPC64_ADDR16_DS,
2301   BFD_RELOC_PPC64_ADDR16_LO_DS,
2302   BFD_RELOC_PPC64_GOT16_DS,
2303   BFD_RELOC_PPC64_GOT16_LO_DS,
2304   BFD_RELOC_PPC64_PLT16_LO_DS,
2305   BFD_RELOC_PPC64_SECTOFF_DS,
2306   BFD_RELOC_PPC64_SECTOFF_LO_DS,
2307   BFD_RELOC_PPC64_TOC16_DS,
2308   BFD_RELOC_PPC64_TOC16_LO_DS,
2309   BFD_RELOC_PPC64_PLTGOT16_DS,
2310   BFD_RELOC_PPC64_PLTGOT16_LO_DS,
2311
2312 /* IBM 370/390 relocations  */
2313   BFD_RELOC_I370_D12,
2314
2315 /* The type of reloc used to build a contructor table - at the moment
2316 probably a 32 bit wide absolute relocation, but the target can choose.
2317 It generally does map to one of the other relocation types.  */
2318   BFD_RELOC_CTOR,
2319
2320 /* ARM 26 bit pc-relative branch.  The lowest two bits must be zero and are
2321 not stored in the instruction.  */
2322   BFD_RELOC_ARM_PCREL_BRANCH,
2323
2324 /* ARM 26 bit pc-relative branch.  The lowest bit must be zero and is
2325 not stored in the instruction.  The 2nd lowest bit comes from a 1 bit
2326 field in the instruction.  */
2327   BFD_RELOC_ARM_PCREL_BLX,
2328
2329 /* Thumb 22 bit pc-relative branch.  The lowest bit must be zero and is
2330 not stored in the instruction.  The 2nd lowest bit comes from a 1 bit
2331 field in the instruction.  */
2332   BFD_RELOC_THUMB_PCREL_BLX,
2333
2334 /* These relocs are only used within the ARM assembler.  They are not
2335 (at present) written to any object files.  */
2336   BFD_RELOC_ARM_IMMEDIATE,
2337   BFD_RELOC_ARM_ADRL_IMMEDIATE,
2338   BFD_RELOC_ARM_OFFSET_IMM,
2339   BFD_RELOC_ARM_SHIFT_IMM,
2340   BFD_RELOC_ARM_SWI,
2341   BFD_RELOC_ARM_MULTI,
2342   BFD_RELOC_ARM_CP_OFF_IMM,
2343   BFD_RELOC_ARM_ADR_IMM,
2344   BFD_RELOC_ARM_LDR_IMM,
2345   BFD_RELOC_ARM_LITERAL,
2346   BFD_RELOC_ARM_IN_POOL,
2347   BFD_RELOC_ARM_OFFSET_IMM8,
2348   BFD_RELOC_ARM_HWLITERAL,
2349   BFD_RELOC_ARM_THUMB_ADD,
2350   BFD_RELOC_ARM_THUMB_IMM,
2351   BFD_RELOC_ARM_THUMB_SHIFT,
2352   BFD_RELOC_ARM_THUMB_OFFSET,
2353   BFD_RELOC_ARM_GOT12,
2354   BFD_RELOC_ARM_GOT32,
2355   BFD_RELOC_ARM_JUMP_SLOT,
2356   BFD_RELOC_ARM_COPY,
2357   BFD_RELOC_ARM_GLOB_DAT,
2358   BFD_RELOC_ARM_PLT32,
2359   BFD_RELOC_ARM_RELATIVE,
2360   BFD_RELOC_ARM_GOTOFF,
2361   BFD_RELOC_ARM_GOTPC,
2362
2363 /* Hitachi SH relocs.  Not all of these appear in object files.  */
2364   BFD_RELOC_SH_PCDISP8BY2,
2365   BFD_RELOC_SH_PCDISP12BY2,
2366   BFD_RELOC_SH_IMM4,
2367   BFD_RELOC_SH_IMM4BY2,
2368   BFD_RELOC_SH_IMM4BY4,
2369   BFD_RELOC_SH_IMM8,
2370   BFD_RELOC_SH_IMM8BY2,
2371   BFD_RELOC_SH_IMM8BY4,
2372   BFD_RELOC_SH_PCRELIMM8BY2,
2373   BFD_RELOC_SH_PCRELIMM8BY4,
2374   BFD_RELOC_SH_SWITCH16,
2375   BFD_RELOC_SH_SWITCH32,
2376   BFD_RELOC_SH_USES,
2377   BFD_RELOC_SH_COUNT,
2378   BFD_RELOC_SH_ALIGN,
2379   BFD_RELOC_SH_CODE,
2380   BFD_RELOC_SH_DATA,
2381   BFD_RELOC_SH_LABEL,
2382   BFD_RELOC_SH_LOOP_START,
2383   BFD_RELOC_SH_LOOP_END,
2384   BFD_RELOC_SH_COPY,
2385   BFD_RELOC_SH_GLOB_DAT,
2386   BFD_RELOC_SH_JMP_SLOT,
2387   BFD_RELOC_SH_RELATIVE,
2388   BFD_RELOC_SH_GOTPC,
2389   BFD_RELOC_SH_GOT_LOW16,
2390   BFD_RELOC_SH_GOT_MEDLOW16,
2391   BFD_RELOC_SH_GOT_MEDHI16,
2392   BFD_RELOC_SH_GOT_HI16,
2393   BFD_RELOC_SH_GOTPLT_LOW16,
2394   BFD_RELOC_SH_GOTPLT_MEDLOW16,
2395   BFD_RELOC_SH_GOTPLT_MEDHI16,
2396   BFD_RELOC_SH_GOTPLT_HI16,
2397   BFD_RELOC_SH_PLT_LOW16,
2398   BFD_RELOC_SH_PLT_MEDLOW16,
2399   BFD_RELOC_SH_PLT_MEDHI16,
2400   BFD_RELOC_SH_PLT_HI16,
2401   BFD_RELOC_SH_GOTOFF_LOW16,
2402   BFD_RELOC_SH_GOTOFF_MEDLOW16,
2403   BFD_RELOC_SH_GOTOFF_MEDHI16,
2404   BFD_RELOC_SH_GOTOFF_HI16,
2405   BFD_RELOC_SH_GOTPC_LOW16,
2406   BFD_RELOC_SH_GOTPC_MEDLOW16,
2407   BFD_RELOC_SH_GOTPC_MEDHI16,
2408   BFD_RELOC_SH_GOTPC_HI16,
2409   BFD_RELOC_SH_COPY64,
2410   BFD_RELOC_SH_GLOB_DAT64,
2411   BFD_RELOC_SH_JMP_SLOT64,
2412   BFD_RELOC_SH_RELATIVE64,
2413   BFD_RELOC_SH_GOT10BY4,
2414   BFD_RELOC_SH_GOT10BY8,
2415   BFD_RELOC_SH_GOTPLT10BY4,
2416   BFD_RELOC_SH_GOTPLT10BY8,
2417   BFD_RELOC_SH_GOTPLT32,
2418   BFD_RELOC_SH_SHMEDIA_CODE,
2419   BFD_RELOC_SH_IMMU5,
2420   BFD_RELOC_SH_IMMS6,
2421   BFD_RELOC_SH_IMMS6BY32,
2422   BFD_RELOC_SH_IMMU6,
2423   BFD_RELOC_SH_IMMS10,
2424   BFD_RELOC_SH_IMMS10BY2,
2425   BFD_RELOC_SH_IMMS10BY4,
2426   BFD_RELOC_SH_IMMS10BY8,
2427   BFD_RELOC_SH_IMMS16,
2428   BFD_RELOC_SH_IMMU16,
2429   BFD_RELOC_SH_IMM_LOW16,
2430   BFD_RELOC_SH_IMM_LOW16_PCREL,
2431   BFD_RELOC_SH_IMM_MEDLOW16,
2432   BFD_RELOC_SH_IMM_MEDLOW16_PCREL,
2433   BFD_RELOC_SH_IMM_MEDHI16,
2434   BFD_RELOC_SH_IMM_MEDHI16_PCREL,
2435   BFD_RELOC_SH_IMM_HI16,
2436   BFD_RELOC_SH_IMM_HI16_PCREL,
2437   BFD_RELOC_SH_PT_16,
2438
2439 /* Thumb 23-, 12- and 9-bit pc-relative branches.  The lowest bit must
2440 be zero and is not stored in the instruction.  */
2441   BFD_RELOC_THUMB_PCREL_BRANCH9,
2442   BFD_RELOC_THUMB_PCREL_BRANCH12,
2443   BFD_RELOC_THUMB_PCREL_BRANCH23,
2444
2445 /* ARC Cores relocs.
2446 ARC 22 bit pc-relative branch.  The lowest two bits must be zero and are
2447 not stored in the instruction.  The high 20 bits are installed in bits 26
2448 through 7 of the instruction.  */
2449   BFD_RELOC_ARC_B22_PCREL,
2450
2451 /* ARC 26 bit absolute branch.  The lowest two bits must be zero and are not
2452 stored in the instruction.  The high 24 bits are installed in bits 23
2453 through 0.  */
2454   BFD_RELOC_ARC_B26,
2455
2456 /* Mitsubishi D10V relocs.
2457 This is a 10-bit reloc with the right 2 bits
2458 assumed to be 0.  */
2459   BFD_RELOC_D10V_10_PCREL_R,
2460
2461 /* Mitsubishi D10V relocs.
2462 This is a 10-bit reloc with the right 2 bits
2463 assumed to be 0.  This is the same as the previous reloc
2464 except it is in the left container, i.e.,
2465 shifted left 15 bits.  */
2466   BFD_RELOC_D10V_10_PCREL_L,
2467
2468 /* This is an 18-bit reloc with the right 2 bits
2469 assumed to be 0.  */
2470   BFD_RELOC_D10V_18,
2471
2472 /* This is an 18-bit reloc with the right 2 bits
2473 assumed to be 0.  */
2474   BFD_RELOC_D10V_18_PCREL,
2475
2476 /* Mitsubishi D30V relocs.
2477 This is a 6-bit absolute reloc.  */
2478   BFD_RELOC_D30V_6,
2479
2480 /* This is a 6-bit pc-relative reloc with
2481 the right 3 bits assumed to be 0.  */
2482   BFD_RELOC_D30V_9_PCREL,
2483
2484 /* This is a 6-bit pc-relative reloc with
2485 the right 3 bits assumed to be 0. Same
2486 as the previous reloc but on the right side
2487 of the container.  */
2488   BFD_RELOC_D30V_9_PCREL_R,
2489
2490 /* This is a 12-bit absolute reloc with the
2491 right 3 bitsassumed to be 0.  */
2492   BFD_RELOC_D30V_15,
2493
2494 /* This is a 12-bit pc-relative reloc with
2495 the right 3 bits assumed to be 0.  */
2496   BFD_RELOC_D30V_15_PCREL,
2497
2498 /* This is a 12-bit pc-relative reloc with
2499 the right 3 bits assumed to be 0. Same
2500 as the previous reloc but on the right side
2501 of the container.  */
2502   BFD_RELOC_D30V_15_PCREL_R,
2503
2504 /* This is an 18-bit absolute reloc with
2505 the right 3 bits assumed to be 0.  */
2506   BFD_RELOC_D30V_21,
2507
2508 /* This is an 18-bit pc-relative reloc with
2509 the right 3 bits assumed to be 0.  */
2510   BFD_RELOC_D30V_21_PCREL,
2511
2512 /* This is an 18-bit pc-relative reloc with
2513 the right 3 bits assumed to be 0. Same
2514 as the previous reloc but on the right side
2515 of the container.  */
2516   BFD_RELOC_D30V_21_PCREL_R,
2517
2518 /* This is a 32-bit absolute reloc.  */
2519   BFD_RELOC_D30V_32,
2520
2521 /* This is a 32-bit pc-relative reloc.  */
2522   BFD_RELOC_D30V_32_PCREL,
2523
2524 /* Mitsubishi M32R relocs.
2525 This is a 24 bit absolute address.  */
2526   BFD_RELOC_M32R_24,
2527
2528 /* This is a 10-bit pc-relative reloc with the right 2 bits assumed to be 0.  */
2529   BFD_RELOC_M32R_10_PCREL,
2530
2531 /* This is an 18-bit reloc with the right 2 bits assumed to be 0.  */
2532   BFD_RELOC_M32R_18_PCREL,
2533
2534 /* This is a 26-bit reloc with the right 2 bits assumed to be 0.  */
2535   BFD_RELOC_M32R_26_PCREL,
2536
2537 /* This is a 16-bit reloc containing the high 16 bits of an address
2538 used when the lower 16 bits are treated as unsigned.  */
2539   BFD_RELOC_M32R_HI16_ULO,
2540
2541 /* This is a 16-bit reloc containing the high 16 bits of an address
2542 used when the lower 16 bits are treated as signed.  */
2543   BFD_RELOC_M32R_HI16_SLO,
2544
2545 /* This is a 16-bit reloc containing the lower 16 bits of an address.  */
2546   BFD_RELOC_M32R_LO16,
2547
2548 /* This is a 16-bit reloc containing the small data area offset for use in
2549 add3, load, and store instructions.  */
2550   BFD_RELOC_M32R_SDA16,
2551
2552 /* This is a 9-bit reloc  */
2553   BFD_RELOC_V850_9_PCREL,
2554
2555 /* This is a 22-bit reloc  */
2556   BFD_RELOC_V850_22_PCREL,
2557
2558 /* This is a 16 bit offset from the short data area pointer.  */
2559   BFD_RELOC_V850_SDA_16_16_OFFSET,
2560
2561 /* This is a 16 bit offset (of which only 15 bits are used) from the
2562 short data area pointer.  */
2563   BFD_RELOC_V850_SDA_15_16_OFFSET,
2564
2565 /* This is a 16 bit offset from the zero data area pointer.  */
2566   BFD_RELOC_V850_ZDA_16_16_OFFSET,
2567
2568 /* This is a 16 bit offset (of which only 15 bits are used) from the
2569 zero data area pointer.  */
2570   BFD_RELOC_V850_ZDA_15_16_OFFSET,
2571
2572 /* This is an 8 bit offset (of which only 6 bits are used) from the
2573 tiny data area pointer.  */
2574   BFD_RELOC_V850_TDA_6_8_OFFSET,
2575
2576 /* This is an 8bit offset (of which only 7 bits are used) from the tiny
2577 data area pointer.  */
2578   BFD_RELOC_V850_TDA_7_8_OFFSET,
2579
2580 /* This is a 7 bit offset from the tiny data area pointer.  */
2581   BFD_RELOC_V850_TDA_7_7_OFFSET,
2582
2583 /* This is a 16 bit offset from the tiny data area pointer.  */
2584   BFD_RELOC_V850_TDA_16_16_OFFSET,
2585
2586 /* This is a 5 bit offset (of which only 4 bits are used) from the tiny
2587 data area pointer.  */
2588   BFD_RELOC_V850_TDA_4_5_OFFSET,
2589
2590 /* This is a 4 bit offset from the tiny data area pointer.  */
2591   BFD_RELOC_V850_TDA_4_4_OFFSET,
2592
2593 /* This is a 16 bit offset from the short data area pointer, with the
2594 bits placed non-contigously in the instruction.  */
2595   BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET,
2596
2597 /* This is a 16 bit offset from the zero data area pointer, with the
2598 bits placed non-contigously in the instruction.  */
2599   BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET,
2600
2601 /* This is a 6 bit offset from the call table base pointer.  */
2602   BFD_RELOC_V850_CALLT_6_7_OFFSET,
2603
2604 /* This is a 16 bit offset from the call table base pointer.  */
2605   BFD_RELOC_V850_CALLT_16_16_OFFSET,
2606
2607
2608 /* This is a 32bit pcrel reloc for the mn10300, offset by two bytes in the
2609 instruction.  */
2610   BFD_RELOC_MN10300_32_PCREL,
2611
2612 /* This is a 16bit pcrel reloc for the mn10300, offset by two bytes in the
2613 instruction.  */
2614   BFD_RELOC_MN10300_16_PCREL,
2615
2616 /* This is a 8bit DP reloc for the tms320c30, where the most
2617 significant 8 bits of a 24 bit word are placed into the least
2618 significant 8 bits of the opcode.  */
2619   BFD_RELOC_TIC30_LDP,
2620
2621 /* This is a 7bit reloc for the tms320c54x, where the least
2622 significant 7 bits of a 16 bit word are placed into the least
2623 significant 7 bits of the opcode.  */
2624   BFD_RELOC_TIC54X_PARTLS7,
2625
2626 /* This is a 9bit DP reloc for the tms320c54x, where the most
2627 significant 9 bits of a 16 bit word are placed into the least
2628 significant 9 bits of the opcode.  */
2629   BFD_RELOC_TIC54X_PARTMS9,
2630
2631 /* This is an extended address 23-bit reloc for the tms320c54x.  */
2632   BFD_RELOC_TIC54X_23,
2633
2634 /* This is a 16-bit reloc for the tms320c54x, where the least
2635 significant 16 bits of a 23-bit extended address are placed into
2636 the opcode.  */
2637   BFD_RELOC_TIC54X_16_OF_23,
2638
2639 /* This is a reloc for the tms320c54x, where the most
2640 significant 7 bits of a 23-bit extended address are placed into
2641 the opcode.  */
2642   BFD_RELOC_TIC54X_MS7_OF_23,
2643
2644 /* This is a 48 bit reloc for the FR30 that stores 32 bits.  */
2645   BFD_RELOC_FR30_48,
2646
2647 /* This is a 32 bit reloc for the FR30 that stores 20 bits split up into
2648 two sections.  */
2649   BFD_RELOC_FR30_20,
2650
2651 /* This is a 16 bit reloc for the FR30 that stores a 6 bit word offset in
2652 4 bits.  */
2653   BFD_RELOC_FR30_6_IN_4,
2654
2655 /* This is a 16 bit reloc for the FR30 that stores an 8 bit byte offset
2656 into 8 bits.  */
2657   BFD_RELOC_FR30_8_IN_8,
2658
2659 /* This is a 16 bit reloc for the FR30 that stores a 9 bit short offset
2660 into 8 bits.  */
2661   BFD_RELOC_FR30_9_IN_8,
2662
2663 /* This is a 16 bit reloc for the FR30 that stores a 10 bit word offset
2664 into 8 bits.  */
2665   BFD_RELOC_FR30_10_IN_8,
2666
2667 /* This is a 16 bit reloc for the FR30 that stores a 9 bit pc relative
2668 short offset into 8 bits.  */
2669   BFD_RELOC_FR30_9_PCREL,
2670
2671 /* This is a 16 bit reloc for the FR30 that stores a 12 bit pc relative
2672 short offset into 11 bits.  */
2673   BFD_RELOC_FR30_12_PCREL,
2674
2675 /* Motorola Mcore relocations.  */
2676   BFD_RELOC_MCORE_PCREL_IMM8BY4,
2677   BFD_RELOC_MCORE_PCREL_IMM11BY2,
2678   BFD_RELOC_MCORE_PCREL_IMM4BY2,
2679   BFD_RELOC_MCORE_PCREL_32,
2680   BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2,
2681   BFD_RELOC_MCORE_RVA,
2682
2683 /* These are relocations for the GETA instruction.  */
2684   BFD_RELOC_MMIX_GETA,
2685   BFD_RELOC_MMIX_GETA_1,
2686   BFD_RELOC_MMIX_GETA_2,
2687   BFD_RELOC_MMIX_GETA_3,
2688
2689 /* These are relocations for a conditional branch instruction.  */
2690   BFD_RELOC_MMIX_CBRANCH,
2691   BFD_RELOC_MMIX_CBRANCH_J,
2692   BFD_RELOC_MMIX_CBRANCH_1,
2693   BFD_RELOC_MMIX_CBRANCH_2,
2694   BFD_RELOC_MMIX_CBRANCH_3,
2695
2696 /* These are relocations for the PUSHJ instruction.  */
2697   BFD_RELOC_MMIX_PUSHJ,
2698   BFD_RELOC_MMIX_PUSHJ_1,
2699   BFD_RELOC_MMIX_PUSHJ_2,
2700   BFD_RELOC_MMIX_PUSHJ_3,
2701
2702 /* These are relocations for the JMP instruction.  */
2703   BFD_RELOC_MMIX_JMP,
2704   BFD_RELOC_MMIX_JMP_1,
2705   BFD_RELOC_MMIX_JMP_2,
2706   BFD_RELOC_MMIX_JMP_3,
2707
2708 /* This is a relocation for a relative address as in a GETA instruction or
2709 a branch.  */
2710   BFD_RELOC_MMIX_ADDR19,
2711
2712 /* This is a relocation for a relative address as in a JMP instruction.  */
2713   BFD_RELOC_MMIX_ADDR27,
2714
2715 /* This is a relocation for an instruction field that may be a general
2716 register or a value 0..255.  */
2717   BFD_RELOC_MMIX_REG_OR_BYTE,
2718
2719 /* This is a relocation for an instruction field that may be a general
2720 register.  */
2721   BFD_RELOC_MMIX_REG,
2722
2723 /* This is a relocation for two instruction fields holding a register and
2724 an offset, the equivalent of the relocation.  */
2725   BFD_RELOC_MMIX_BASE_PLUS_OFFSET,
2726
2727 /* This relocation is an assertion that the expression is not allocated as
2728 a global register.  It does not modify contents.  */
2729   BFD_RELOC_MMIX_LOCAL,
2730
2731 /* This is a 16 bit reloc for the AVR that stores 8 bit pc relative
2732 short offset into 7 bits.  */
2733   BFD_RELOC_AVR_7_PCREL,
2734
2735 /* This is a 16 bit reloc for the AVR that stores 13 bit pc relative
2736 short offset into 12 bits.  */
2737   BFD_RELOC_AVR_13_PCREL,
2738
2739 /* This is a 16 bit reloc for the AVR that stores 17 bit value (usually
2740 program memory address) into 16 bits.  */
2741   BFD_RELOC_AVR_16_PM,
2742
2743 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2744 data memory address) into 8 bit immediate value of LDI insn.  */
2745   BFD_RELOC_AVR_LO8_LDI,
2746
2747 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2748 of data memory address) into 8 bit immediate value of LDI insn.  */
2749   BFD_RELOC_AVR_HI8_LDI,
2750
2751 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2752 of program memory address) into 8 bit immediate value of LDI insn.  */
2753   BFD_RELOC_AVR_HH8_LDI,
2754
2755 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2756 (usually data memory address) into 8 bit immediate value of SUBI insn.  */
2757   BFD_RELOC_AVR_LO8_LDI_NEG,
2758
2759 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2760 (high 8 bit of data memory address) into 8 bit immediate value of
2761 SUBI insn.  */
2762   BFD_RELOC_AVR_HI8_LDI_NEG,
2763
2764 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2765 (most high 8 bit of program memory address) into 8 bit immediate value
2766 of LDI or SUBI insn.  */
2767   BFD_RELOC_AVR_HH8_LDI_NEG,
2768
2769 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2770 command address) into 8 bit immediate value of LDI insn.  */
2771   BFD_RELOC_AVR_LO8_LDI_PM,
2772
2773 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2774 of command address) into 8 bit immediate value of LDI insn.  */
2775   BFD_RELOC_AVR_HI8_LDI_PM,
2776
2777 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2778 of command address) into 8 bit immediate value of LDI insn.  */
2779   BFD_RELOC_AVR_HH8_LDI_PM,
2780
2781 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2782 (usually command address) into 8 bit immediate value of SUBI insn.  */
2783   BFD_RELOC_AVR_LO8_LDI_PM_NEG,
2784
2785 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2786 (high 8 bit of 16 bit command address) into 8 bit immediate value
2787 of SUBI insn.  */
2788   BFD_RELOC_AVR_HI8_LDI_PM_NEG,
2789
2790 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2791 (high 6 bit of 22 bit command address) into 8 bit immediate
2792 value of SUBI insn.  */
2793   BFD_RELOC_AVR_HH8_LDI_PM_NEG,
2794
2795 /* This is a 32 bit reloc for the AVR that stores 23 bit value
2796 into 22 bits.  */
2797   BFD_RELOC_AVR_CALL,
2798
2799 /* Direct 12 bit.  */
2800   BFD_RELOC_390_12,
2801
2802 /* 12 bit GOT offset.  */
2803   BFD_RELOC_390_GOT12,
2804
2805 /* 32 bit PC relative PLT address.  */
2806   BFD_RELOC_390_PLT32,
2807
2808 /* Copy symbol at runtime.  */
2809   BFD_RELOC_390_COPY,
2810
2811 /* Create GOT entry.  */
2812   BFD_RELOC_390_GLOB_DAT,
2813
2814 /* Create PLT entry.  */
2815   BFD_RELOC_390_JMP_SLOT,
2816
2817 /* Adjust by program base.  */
2818   BFD_RELOC_390_RELATIVE,
2819
2820 /* 32 bit PC relative offset to GOT.  */
2821   BFD_RELOC_390_GOTPC,
2822
2823 /* 16 bit GOT offset.  */
2824   BFD_RELOC_390_GOT16,
2825
2826 /* PC relative 16 bit shifted by 1.  */
2827   BFD_RELOC_390_PC16DBL,
2828
2829 /* 16 bit PC rel. PLT shifted by 1.  */
2830   BFD_RELOC_390_PLT16DBL,
2831
2832 /* PC relative 32 bit shifted by 1.  */
2833   BFD_RELOC_390_PC32DBL,
2834
2835 /* 32 bit PC rel. PLT shifted by 1.  */
2836   BFD_RELOC_390_PLT32DBL,
2837
2838 /* 32 bit PC rel. GOT shifted by 1.  */
2839   BFD_RELOC_390_GOTPCDBL,
2840
2841 /* 64 bit GOT offset.  */
2842   BFD_RELOC_390_GOT64,
2843
2844 /* 64 bit PC relative PLT address.  */
2845   BFD_RELOC_390_PLT64,
2846
2847 /* 32 bit rel. offset to GOT entry.  */
2848   BFD_RELOC_390_GOTENT,
2849
2850 /* These two relocations are used by the linker to determine which of
2851 the entries in a C++ virtual function table are actually used.  When
2852 the --gc-sections option is given, the linker will zero out the entries
2853 that are not used, so that the code for those functions need not be
2854 included in the output.
2855
2856 VTABLE_INHERIT is a zero-space relocation used to describe to the
2857 linker the inheritence tree of a C++ virtual function table.  The
2858 relocation's symbol should be the parent class' vtable, and the
2859 relocation should be located at the child vtable.
2860
2861 VTABLE_ENTRY is a zero-space relocation that describes the use of a
2862 virtual function table entry.  The reloc's symbol should refer to the
2863 table of the class mentioned in the code.  Off of that base, an offset
2864 describes the entry that is being used.  For Rela hosts, this offset
2865 is stored in the reloc's addend.  For Rel hosts, we are forced to put
2866 this offset in the reloc's section offset.  */
2867   BFD_RELOC_VTABLE_INHERIT,
2868   BFD_RELOC_VTABLE_ENTRY,
2869
2870 /* Intel IA64 Relocations.  */
2871   BFD_RELOC_IA64_IMM14,
2872   BFD_RELOC_IA64_IMM22,
2873   BFD_RELOC_IA64_IMM64,
2874   BFD_RELOC_IA64_DIR32MSB,
2875   BFD_RELOC_IA64_DIR32LSB,
2876   BFD_RELOC_IA64_DIR64MSB,
2877   BFD_RELOC_IA64_DIR64LSB,
2878   BFD_RELOC_IA64_GPREL22,
2879   BFD_RELOC_IA64_GPREL64I,
2880   BFD_RELOC_IA64_GPREL32MSB,
2881   BFD_RELOC_IA64_GPREL32LSB,
2882   BFD_RELOC_IA64_GPREL64MSB,
2883   BFD_RELOC_IA64_GPREL64LSB,
2884   BFD_RELOC_IA64_LTOFF22,
2885   BFD_RELOC_IA64_LTOFF64I,
2886   BFD_RELOC_IA64_PLTOFF22,
2887   BFD_RELOC_IA64_PLTOFF64I,
2888   BFD_RELOC_IA64_PLTOFF64MSB,
2889   BFD_RELOC_IA64_PLTOFF64LSB,
2890   BFD_RELOC_IA64_FPTR64I,
2891   BFD_RELOC_IA64_FPTR32MSB,
2892   BFD_RELOC_IA64_FPTR32LSB,
2893   BFD_RELOC_IA64_FPTR64MSB,
2894   BFD_RELOC_IA64_FPTR64LSB,
2895   BFD_RELOC_IA64_PCREL21B,
2896   BFD_RELOC_IA64_PCREL21BI,
2897   BFD_RELOC_IA64_PCREL21M,
2898   BFD_RELOC_IA64_PCREL21F,
2899   BFD_RELOC_IA64_PCREL22,
2900   BFD_RELOC_IA64_PCREL60B,
2901   BFD_RELOC_IA64_PCREL64I,
2902   BFD_RELOC_IA64_PCREL32MSB,
2903   BFD_RELOC_IA64_PCREL32LSB,
2904   BFD_RELOC_IA64_PCREL64MSB,
2905   BFD_RELOC_IA64_PCREL64LSB,
2906   BFD_RELOC_IA64_LTOFF_FPTR22,
2907   BFD_RELOC_IA64_LTOFF_FPTR64I,
2908   BFD_RELOC_IA64_LTOFF_FPTR32MSB,
2909   BFD_RELOC_IA64_LTOFF_FPTR32LSB,
2910   BFD_RELOC_IA64_LTOFF_FPTR64MSB,
2911   BFD_RELOC_IA64_LTOFF_FPTR64LSB,
2912   BFD_RELOC_IA64_SEGREL32MSB,
2913   BFD_RELOC_IA64_SEGREL32LSB,
2914   BFD_RELOC_IA64_SEGREL64MSB,
2915   BFD_RELOC_IA64_SEGREL64LSB,
2916   BFD_RELOC_IA64_SECREL32MSB,
2917   BFD_RELOC_IA64_SECREL32LSB,
2918   BFD_RELOC_IA64_SECREL64MSB,
2919   BFD_RELOC_IA64_SECREL64LSB,
2920   BFD_RELOC_IA64_REL32MSB,
2921   BFD_RELOC_IA64_REL32LSB,
2922   BFD_RELOC_IA64_REL64MSB,
2923   BFD_RELOC_IA64_REL64LSB,
2924   BFD_RELOC_IA64_LTV32MSB,
2925   BFD_RELOC_IA64_LTV32LSB,
2926   BFD_RELOC_IA64_LTV64MSB,
2927   BFD_RELOC_IA64_LTV64LSB,
2928   BFD_RELOC_IA64_IPLTMSB,
2929   BFD_RELOC_IA64_IPLTLSB,
2930   BFD_RELOC_IA64_COPY,
2931   BFD_RELOC_IA64_LTOFF22X,
2932   BFD_RELOC_IA64_LDXMOV,
2933   BFD_RELOC_IA64_TPREL14,
2934   BFD_RELOC_IA64_TPREL22,
2935   BFD_RELOC_IA64_TPREL64I,
2936   BFD_RELOC_IA64_TPREL64MSB,
2937   BFD_RELOC_IA64_TPREL64LSB,
2938   BFD_RELOC_IA64_LTOFF_TPREL22,
2939   BFD_RELOC_IA64_DTPMOD64MSB,
2940   BFD_RELOC_IA64_DTPMOD64LSB,
2941   BFD_RELOC_IA64_LTOFF_DTPMOD22,
2942   BFD_RELOC_IA64_DTPREL14,
2943   BFD_RELOC_IA64_DTPREL22,
2944   BFD_RELOC_IA64_DTPREL64I,
2945   BFD_RELOC_IA64_DTPREL32MSB,
2946   BFD_RELOC_IA64_DTPREL32LSB,
2947   BFD_RELOC_IA64_DTPREL64MSB,
2948   BFD_RELOC_IA64_DTPREL64LSB,
2949   BFD_RELOC_IA64_LTOFF_DTPREL22,
2950
2951 /* Motorola 68HC11 reloc.
2952 This is the 8 bits high part of an absolute address.  */
2953   BFD_RELOC_M68HC11_HI8,
2954
2955 /* Motorola 68HC11 reloc.
2956 This is the 8 bits low part of an absolute address.  */
2957   BFD_RELOC_M68HC11_LO8,
2958
2959 /* Motorola 68HC11 reloc.
2960 This is the 3 bits of a value.  */
2961   BFD_RELOC_M68HC11_3B,
2962
2963 /* These relocs are only used within the CRIS assembler.  They are not
2964 (at present) written to any object files.  */
2965   BFD_RELOC_CRIS_BDISP8,
2966   BFD_RELOC_CRIS_UNSIGNED_5,
2967   BFD_RELOC_CRIS_SIGNED_6,
2968   BFD_RELOC_CRIS_UNSIGNED_6,
2969   BFD_RELOC_CRIS_UNSIGNED_4,
2970
2971 /* Relocs used in ELF shared libraries for CRIS.  */
2972   BFD_RELOC_CRIS_COPY,
2973   BFD_RELOC_CRIS_GLOB_DAT,
2974   BFD_RELOC_CRIS_JUMP_SLOT,
2975   BFD_RELOC_CRIS_RELATIVE,
2976
2977 /* 32-bit offset to symbol-entry within GOT.  */
2978   BFD_RELOC_CRIS_32_GOT,
2979
2980 /* 16-bit offset to symbol-entry within GOT.  */
2981   BFD_RELOC_CRIS_16_GOT,
2982
2983 /* 32-bit offset to symbol-entry within GOT, with PLT handling.  */
2984   BFD_RELOC_CRIS_32_GOTPLT,
2985
2986 /* 16-bit offset to symbol-entry within GOT, with PLT handling.  */
2987   BFD_RELOC_CRIS_16_GOTPLT,
2988
2989 /* 32-bit offset to symbol, relative to GOT.  */
2990   BFD_RELOC_CRIS_32_GOTREL,
2991
2992 /* 32-bit offset to symbol with PLT entry, relative to GOT.  */
2993   BFD_RELOC_CRIS_32_PLT_GOTREL,
2994
2995 /* 32-bit offset to symbol with PLT entry, relative to this relocation.  */
2996   BFD_RELOC_CRIS_32_PLT_PCREL,
2997
2998 /* Intel i860 Relocations.  */
2999   BFD_RELOC_860_COPY,
3000   BFD_RELOC_860_GLOB_DAT,
3001   BFD_RELOC_860_JUMP_SLOT,
3002   BFD_RELOC_860_RELATIVE,
3003   BFD_RELOC_860_PC26,
3004   BFD_RELOC_860_PLT26,
3005   BFD_RELOC_860_PC16,
3006   BFD_RELOC_860_LOW0,
3007   BFD_RELOC_860_SPLIT0,
3008   BFD_RELOC_860_LOW1,
3009   BFD_RELOC_860_SPLIT1,
3010   BFD_RELOC_860_LOW2,
3011   BFD_RELOC_860_SPLIT2,
3012   BFD_RELOC_860_LOW3,
3013   BFD_RELOC_860_LOGOT0,
3014   BFD_RELOC_860_SPGOT0,
3015   BFD_RELOC_860_LOGOT1,
3016   BFD_RELOC_860_SPGOT1,
3017   BFD_RELOC_860_LOGOTOFF0,
3018   BFD_RELOC_860_SPGOTOFF0,
3019   BFD_RELOC_860_LOGOTOFF1,
3020   BFD_RELOC_860_SPGOTOFF1,
3021   BFD_RELOC_860_LOGOTOFF2,
3022   BFD_RELOC_860_LOGOTOFF3,
3023   BFD_RELOC_860_LOPC,
3024   BFD_RELOC_860_HIGHADJ,
3025   BFD_RELOC_860_HAGOT,
3026   BFD_RELOC_860_HAGOTOFF,
3027   BFD_RELOC_860_HAPC,
3028   BFD_RELOC_860_HIGH,
3029   BFD_RELOC_860_HIGOT,
3030   BFD_RELOC_860_HIGOTOFF,
3031
3032 /* OpenRISC Relocations.  */
3033   BFD_RELOC_OPENRISC_ABS_26,
3034   BFD_RELOC_OPENRISC_REL_26,
3035
3036 /* H8 elf Relocations.  */
3037   BFD_RELOC_H8_DIR16A8,
3038   BFD_RELOC_H8_DIR16R8,
3039   BFD_RELOC_H8_DIR24A8,
3040   BFD_RELOC_H8_DIR24R8,
3041   BFD_RELOC_H8_DIR32A16,
3042
3043 /* Sony Xstormy16 Relocations.  */
3044   BFD_RELOC_XSTORMY16_REL_12,
3045   BFD_RELOC_XSTORMY16_24,
3046   BFD_RELOC_XSTORMY16_FPTR16,
3047   BFD_RELOC_UNUSED };
3048 typedef enum bfd_reloc_code_real bfd_reloc_code_real_type;
3049 reloc_howto_type *
3050 bfd_reloc_type_lookup PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
3051
3052 const char *
3053 bfd_get_reloc_code_name PARAMS ((bfd_reloc_code_real_type code));
3054
3055
3056 typedef struct symbol_cache_entry
3057 {
3058   /* A pointer to the BFD which owns the symbol. This information
3059      is necessary so that a back end can work out what additional
3060      information (invisible to the application writer) is carried
3061      with the symbol.
3062
3063      This field is *almost* redundant, since you can use section->owner
3064      instead, except that some symbols point to the global sections
3065      bfd_{abs,com,und}_section.  This could be fixed by making
3066      these globals be per-bfd (or per-target-flavor).  FIXME.  */
3067   struct _bfd *the_bfd; /* Use bfd_asymbol_bfd(sym) to access this field.  */
3068
3069   /* The text of the symbol. The name is left alone, and not copied; the
3070      application may not alter it.  */
3071   const char *name;
3072
3073   /* The value of the symbol.  This really should be a union of a
3074      numeric value with a pointer, since some flags indicate that
3075      a pointer to another symbol is stored here.  */
3076   symvalue value;
3077
3078   /* Attributes of a symbol.  */
3079 #define BSF_NO_FLAGS    0x00
3080
3081   /* The symbol has local scope; <<static>> in <<C>>. The value
3082      is the offset into the section of the data.  */
3083 #define BSF_LOCAL      0x01
3084
3085   /* The symbol has global scope; initialized data in <<C>>. The
3086      value is the offset into the section of the data.  */
3087 #define BSF_GLOBAL     0x02
3088
3089   /* The symbol has global scope and is exported. The value is
3090      the offset into the section of the data.  */
3091 #define BSF_EXPORT     BSF_GLOBAL /* No real difference.  */
3092
3093   /* A normal C symbol would be one of:
3094      <<BSF_LOCAL>>, <<BSF_FORT_COMM>>,  <<BSF_UNDEFINED>> or
3095      <<BSF_GLOBAL>>.  */
3096
3097   /* The symbol is a debugging record. The value has an arbitary
3098      meaning, unless BSF_DEBUGGING_RELOC is also set.  */
3099 #define BSF_DEBUGGING  0x08
3100
3101   /* The symbol denotes a function entry point.  Used in ELF,
3102      perhaps others someday.  */
3103 #define BSF_FUNCTION    0x10
3104
3105   /* Used by the linker.  */
3106 #define BSF_KEEP        0x20
3107 #define BSF_KEEP_G      0x40
3108
3109   /* A weak global symbol, overridable without warnings by
3110      a regular global symbol of the same name.  */
3111 #define BSF_WEAK        0x80
3112
3113   /* This symbol was created to point to a section, e.g. ELF's
3114      STT_SECTION symbols.  */
3115 #define BSF_SECTION_SYM 0x100
3116
3117   /* The symbol used to be a common symbol, but now it is
3118      allocated.  */
3119 #define BSF_OLD_COMMON  0x200
3120
3121   /* The default value for common data.  */
3122 #define BFD_FORT_COMM_DEFAULT_VALUE 0
3123
3124   /* In some files the type of a symbol sometimes alters its
3125      location in an output file - ie in coff a <<ISFCN>> symbol
3126      which is also <<C_EXT>> symbol appears where it was
3127      declared and not at the end of a section.  This bit is set
3128      by the target BFD part to convey this information.  */
3129 #define BSF_NOT_AT_END    0x400
3130
3131   /* Signal that the symbol is the label of constructor section.  */
3132 #define BSF_CONSTRUCTOR   0x800
3133
3134   /* Signal that the symbol is a warning symbol.  The name is a
3135      warning.  The name of the next symbol is the one to warn about;
3136      if a reference is made to a symbol with the same name as the next
3137      symbol, a warning is issued by the linker.  */
3138 #define BSF_WARNING       0x1000
3139
3140   /* Signal that the symbol is indirect.  This symbol is an indirect
3141      pointer to the symbol with the same name as the next symbol.  */
3142 #define BSF_INDIRECT      0x2000
3143
3144   /* BSF_FILE marks symbols that contain a file name.  This is used
3145      for ELF STT_FILE symbols.  */
3146 #define BSF_FILE          0x4000
3147
3148   /* Symbol is from dynamic linking information.  */
3149 #define BSF_DYNAMIC       0x8000
3150
3151   /* The symbol denotes a data object.  Used in ELF, and perhaps
3152      others someday.  */
3153 #define BSF_OBJECT        0x10000
3154
3155   /* This symbol is a debugging symbol.  The value is the offset
3156      into the section of the data.  BSF_DEBUGGING should be set
3157      as well.  */
3158 #define BSF_DEBUGGING_RELOC 0x20000
3159
3160   /* This symbol is thread local.  Used in ELF.  */
3161 #define BSF_THREAD_LOCAL  0x40000
3162
3163   flagword flags;
3164
3165   /* A pointer to the section to which this symbol is
3166      relative.  This will always be non NULL, there are special
3167      sections for undefined and absolute symbols.  */
3168   struct sec *section;
3169
3170   /* Back end special data.  */
3171   union
3172     {
3173       PTR p;
3174       bfd_vma i;
3175     }
3176   udata;
3177 }
3178 asymbol;
3179
3180 #define bfd_get_symtab_upper_bound(abfd) \
3181      BFD_SEND (abfd, _bfd_get_symtab_upper_bound, (abfd))
3182
3183 boolean
3184 bfd_is_local_label PARAMS ((bfd *abfd, asymbol *sym));
3185
3186 boolean
3187 bfd_is_local_label_name PARAMS ((bfd *abfd, const char *name));
3188
3189 #define bfd_is_local_label_name(abfd, name) \
3190      BFD_SEND (abfd, _bfd_is_local_label_name, (abfd, name))
3191
3192 #define bfd_canonicalize_symtab(abfd, location) \
3193      BFD_SEND (abfd, _bfd_canonicalize_symtab,\
3194                   (abfd, location))
3195
3196 boolean
3197 bfd_set_symtab PARAMS ((bfd *abfd, asymbol **location, unsigned int count));
3198
3199 void
3200 bfd_print_symbol_vandf PARAMS ((bfd *abfd, PTR file, asymbol *symbol));
3201
3202 #define bfd_make_empty_symbol(abfd) \
3203      BFD_SEND (abfd, _bfd_make_empty_symbol, (abfd))
3204
3205 asymbol *
3206 _bfd_generic_make_empty_symbol PARAMS ((bfd *));
3207
3208 #define bfd_make_debug_symbol(abfd,ptr,size) \
3209         BFD_SEND (abfd, _bfd_make_debug_symbol, (abfd, ptr, size))
3210
3211 int
3212 bfd_decode_symclass PARAMS ((asymbol *symbol));
3213
3214 boolean
3215 bfd_is_undefined_symclass PARAMS ((int symclass));
3216
3217 void
3218 bfd_symbol_info PARAMS ((asymbol *symbol, symbol_info *ret));
3219
3220 boolean
3221 bfd_copy_private_symbol_data PARAMS ((bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym));
3222
3223 #define bfd_copy_private_symbol_data(ibfd, isymbol, obfd, osymbol) \
3224      BFD_SEND (obfd, _bfd_copy_private_symbol_data, \
3225                (ibfd, isymbol, obfd, osymbol))
3226
3227 struct _bfd
3228 {
3229   /* The filename the application opened the BFD with.  */
3230   const char *filename;
3231
3232   /* A pointer to the target jump table.  */
3233   const struct bfd_target *xvec;
3234
3235   /* To avoid dragging too many header files into every file that
3236      includes `<<bfd.h>>', IOSTREAM has been declared as a "char *",
3237      and MTIME as a "long".  Their correct types, to which they
3238      are cast when used, are "FILE *" and "time_t".    The iostream
3239      is the result of an fopen on the filename.  However, if the
3240      BFD_IN_MEMORY flag is set, then iostream is actually a pointer
3241      to a bfd_in_memory struct.  */
3242   PTR iostream;
3243
3244   /* Is the file descriptor being cached?  That is, can it be closed as
3245      needed, and re-opened when accessed later?  */
3246   boolean cacheable;
3247
3248   /* Marks whether there was a default target specified when the
3249      BFD was opened. This is used to select which matching algorithm
3250      to use to choose the back end.  */
3251   boolean target_defaulted;
3252
3253   /* The caching routines use these to maintain a
3254      least-recently-used list of BFDs.  */
3255   struct _bfd *lru_prev, *lru_next;
3256
3257   /* When a file is closed by the caching routines, BFD retains
3258      state information on the file here...  */
3259   ufile_ptr where;
3260
3261   /* ... and here: (``once'' means at least once).  */
3262   boolean opened_once;
3263
3264   /* Set if we have a locally maintained mtime value, rather than
3265      getting it from the file each time.  */
3266   boolean mtime_set;
3267
3268   /* File modified time, if mtime_set is true.  */
3269   long mtime;
3270
3271   /* Reserved for an unimplemented file locking extension.  */
3272   int ifd;
3273
3274   /* The format which belongs to the BFD. (object, core, etc.)  */
3275   bfd_format format;
3276
3277   /* The direction with which the BFD was opened.  */
3278   enum bfd_direction
3279     {
3280       no_direction = 0,
3281       read_direction = 1,
3282       write_direction = 2,
3283       both_direction = 3
3284     }
3285   direction;
3286
3287   /* Format_specific flags.  */
3288   flagword flags;
3289
3290   /* Currently my_archive is tested before adding origin to
3291      anything. I believe that this can become always an add of
3292      origin, with origin set to 0 for non archive files.  */
3293   ufile_ptr origin;
3294
3295   /* Remember when output has begun, to stop strange things
3296      from happening.  */
3297   boolean output_has_begun;
3298
3299   /* A hash table for section names.  */
3300   struct bfd_hash_table section_htab;
3301
3302   /* Pointer to linked list of sections.  */
3303   struct sec *sections;
3304
3305   /* The place where we add to the section list.  */
3306   struct sec **section_tail;
3307
3308   /* The number of sections.  */
3309   unsigned int section_count;
3310
3311   /* Stuff only useful for object files:
3312      The start address.  */
3313   bfd_vma start_address;
3314
3315   /* Used for input and output.  */
3316   unsigned int symcount;
3317
3318   /* Symbol table for output BFD (with symcount entries).  */
3319   struct symbol_cache_entry  **outsymbols;
3320
3321   /* Pointer to structure which contains architecture information.  */
3322   const struct bfd_arch_info *arch_info;
3323
3324   /* Stuff only useful for archives.  */
3325   PTR arelt_data;
3326   struct _bfd *my_archive;     /* The containing archive BFD.  */
3327   struct _bfd *next;           /* The next BFD in the archive.  */
3328   struct _bfd *archive_head;   /* The first BFD in the archive.  */
3329   boolean has_armap;
3330
3331   /* A chain of BFD structures involved in a link.  */
3332   struct _bfd *link_next;
3333
3334   /* A field used by _bfd_generic_link_add_archive_symbols.  This will
3335      be used only for archive elements.  */
3336   int archive_pass;
3337
3338   /* Used by the back end to hold private data.  */
3339   union
3340     {
3341       struct aout_data_struct *aout_data;
3342       struct artdata *aout_ar_data;
3343       struct _oasys_data *oasys_obj_data;
3344       struct _oasys_ar_data *oasys_ar_data;
3345       struct coff_tdata *coff_obj_data;
3346       struct pe_tdata *pe_obj_data;
3347       struct xcoff_tdata *xcoff_obj_data;
3348       struct ecoff_tdata *ecoff_obj_data;
3349       struct ieee_data_struct *ieee_data;
3350       struct ieee_ar_data_struct *ieee_ar_data;
3351       struct srec_data_struct *srec_data;
3352       struct ihex_data_struct *ihex_data;
3353       struct tekhex_data_struct *tekhex_data;
3354       struct elf_obj_tdata *elf_obj_data;
3355       struct nlm_obj_tdata *nlm_obj_data;
3356       struct bout_data_struct *bout_data;
3357       struct mmo_data_struct *mmo_data;
3358       struct sun_core_struct *sun_core_data;
3359       struct sco5_core_struct *sco5_core_data;
3360       struct trad_core_struct *trad_core_data;
3361       struct som_data_struct *som_data;
3362       struct hpux_core_struct *hpux_core_data;
3363       struct hppabsd_core_struct *hppabsd_core_data;
3364       struct sgi_core_struct *sgi_core_data;
3365       struct lynx_core_struct *lynx_core_data;
3366       struct osf_core_struct *osf_core_data;
3367       struct cisco_core_struct *cisco_core_data;
3368       struct versados_data_struct *versados_data;
3369       struct netbsd_core_struct *netbsd_core_data;
3370       PTR any;
3371     }
3372   tdata;
3373
3374   /* Used by the application to hold private data.  */
3375   PTR usrdata;
3376
3377   /* Where all the allocated stuff under this BFD goes.  This is a
3378      struct objalloc *, but we use PTR to avoid requiring the inclusion of
3379      objalloc.h.  */
3380   PTR memory;
3381 };
3382
3383 typedef enum bfd_error
3384 {
3385   bfd_error_no_error = 0,
3386   bfd_error_system_call,
3387   bfd_error_invalid_target,
3388   bfd_error_wrong_format,
3389   bfd_error_wrong_object_format,
3390   bfd_error_invalid_operation,
3391   bfd_error_no_memory,
3392   bfd_error_no_symbols,
3393   bfd_error_no_armap,
3394   bfd_error_no_more_archived_files,
3395   bfd_error_malformed_archive,
3396   bfd_error_file_not_recognized,
3397   bfd_error_file_ambiguously_recognized,
3398   bfd_error_no_contents,
3399   bfd_error_nonrepresentable_section,
3400   bfd_error_no_debug_section,
3401   bfd_error_bad_value,
3402   bfd_error_file_truncated,
3403   bfd_error_file_too_big,
3404   bfd_error_invalid_error_code
3405 }
3406 bfd_error_type;
3407
3408 bfd_error_type
3409 bfd_get_error PARAMS ((void));
3410
3411 void
3412 bfd_set_error PARAMS ((bfd_error_type error_tag));
3413
3414 const char *
3415 bfd_errmsg PARAMS ((bfd_error_type error_tag));
3416
3417 void
3418 bfd_perror PARAMS ((const char *message));
3419
3420 typedef void (*bfd_error_handler_type) PARAMS ((const char *, ...));
3421
3422 bfd_error_handler_type
3423 bfd_set_error_handler PARAMS ((bfd_error_handler_type));
3424
3425 void
3426 bfd_set_error_program_name PARAMS ((const char *));
3427
3428 bfd_error_handler_type
3429 bfd_get_error_handler PARAMS ((void));
3430
3431 const char *
3432 bfd_archive_filename PARAMS ((bfd *));
3433
3434 long
3435 bfd_get_reloc_upper_bound PARAMS ((bfd *abfd, asection *sect));
3436
3437 long
3438 bfd_canonicalize_reloc PARAMS ((bfd *abfd,
3439     asection *sec,
3440     arelent **loc,
3441     asymbol **syms));
3442
3443 void
3444 bfd_set_reloc PARAMS ((bfd *abfd, asection *sec, arelent **rel, unsigned int count));
3445
3446 boolean
3447 bfd_set_file_flags PARAMS ((bfd *abfd, flagword flags));
3448
3449 int
3450 bfd_get_arch_size PARAMS ((bfd *abfd));
3451
3452 int
3453 bfd_get_sign_extend_vma PARAMS ((bfd *abfd));
3454
3455 boolean
3456 bfd_set_start_address PARAMS ((bfd *abfd, bfd_vma vma));
3457
3458 long
3459 bfd_get_mtime PARAMS ((bfd *abfd));
3460
3461 long
3462 bfd_get_size PARAMS ((bfd *abfd));
3463
3464 unsigned int
3465 bfd_get_gp_size PARAMS ((bfd *abfd));
3466
3467 void
3468 bfd_set_gp_size PARAMS ((bfd *abfd, unsigned int i));
3469
3470 bfd_vma
3471 bfd_scan_vma PARAMS ((const char *string, const char **end, int base));
3472
3473 boolean
3474 bfd_copy_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd));
3475
3476 #define bfd_copy_private_bfd_data(ibfd, obfd) \
3477      BFD_SEND (obfd, _bfd_copy_private_bfd_data, \
3478                (ibfd, obfd))
3479 boolean
3480 bfd_merge_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd));
3481
3482 #define bfd_merge_private_bfd_data(ibfd, obfd) \
3483      BFD_SEND (obfd, _bfd_merge_private_bfd_data, \
3484                (ibfd, obfd))
3485 boolean
3486 bfd_set_private_flags PARAMS ((bfd *abfd, flagword flags));
3487
3488 #define bfd_set_private_flags(abfd, flags) \
3489      BFD_SEND (abfd, _bfd_set_private_flags, \
3490                (abfd, flags))
3491 #define bfd_sizeof_headers(abfd, reloc) \
3492      BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, reloc))
3493
3494 #define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \
3495      BFD_SEND (abfd, _bfd_find_nearest_line,  (abfd, sec, syms, off, file, func, line))
3496
3497        /* Do these three do anything useful at all, for any back end?  */
3498 #define bfd_debug_info_start(abfd) \
3499         BFD_SEND (abfd, _bfd_debug_info_start, (abfd))
3500
3501 #define bfd_debug_info_end(abfd) \
3502         BFD_SEND (abfd, _bfd_debug_info_end, (abfd))
3503
3504 #define bfd_debug_info_accumulate(abfd, section) \
3505         BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section))
3506
3507
3508 #define bfd_stat_arch_elt(abfd, stat) \
3509         BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat))
3510
3511 #define bfd_update_armap_timestamp(abfd) \
3512         BFD_SEND (abfd, _bfd_update_armap_timestamp, (abfd))
3513
3514 #define bfd_set_arch_mach(abfd, arch, mach)\
3515         BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach))
3516
3517 #define bfd_relax_section(abfd, section, link_info, again) \
3518        BFD_SEND (abfd, _bfd_relax_section, (abfd, section, link_info, again))
3519
3520 #define bfd_gc_sections(abfd, link_info) \
3521        BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info))
3522
3523 #define bfd_merge_sections(abfd, link_info) \
3524        BFD_SEND (abfd, _bfd_merge_sections, (abfd, link_info))
3525
3526 #define bfd_link_hash_table_create(abfd) \
3527        BFD_SEND (abfd, _bfd_link_hash_table_create, (abfd))
3528
3529 #define bfd_link_hash_table_free(abfd, hash) \
3530        BFD_SEND (abfd, _bfd_link_hash_table_free, (hash))
3531
3532 #define bfd_link_add_symbols(abfd, info) \
3533        BFD_SEND (abfd, _bfd_link_add_symbols, (abfd, info))
3534
3535 #define bfd_link_just_syms(sec, info) \
3536        BFD_SEND (abfd, _bfd_link_just_syms, (sec, info))
3537
3538 #define bfd_final_link(abfd, info) \
3539        BFD_SEND (abfd, _bfd_final_link, (abfd, info))
3540
3541 #define bfd_free_cached_info(abfd) \
3542        BFD_SEND (abfd, _bfd_free_cached_info, (abfd))
3543
3544 #define bfd_get_dynamic_symtab_upper_bound(abfd) \
3545        BFD_SEND (abfd, _bfd_get_dynamic_symtab_upper_bound, (abfd))
3546
3547 #define bfd_print_private_bfd_data(abfd, file)\
3548        BFD_SEND (abfd, _bfd_print_private_bfd_data, (abfd, file))
3549
3550 #define bfd_canonicalize_dynamic_symtab(abfd, asymbols) \
3551        BFD_SEND (abfd, _bfd_canonicalize_dynamic_symtab, (abfd, asymbols))
3552
3553 #define bfd_get_dynamic_reloc_upper_bound(abfd) \
3554        BFD_SEND (abfd, _bfd_get_dynamic_reloc_upper_bound, (abfd))
3555
3556 #define bfd_canonicalize_dynamic_reloc(abfd, arels, asyms) \
3557        BFD_SEND (abfd, _bfd_canonicalize_dynamic_reloc, (abfd, arels, asyms))
3558
3559 extern bfd_byte *bfd_get_relocated_section_contents
3560        PARAMS ((bfd *, struct bfd_link_info *,
3561                  struct bfd_link_order *, bfd_byte *,
3562                  boolean, asymbol **));
3563
3564 boolean
3565 bfd_alt_mach_code PARAMS ((bfd *abfd, int index));
3566
3567 symindex
3568 bfd_get_next_mapent PARAMS ((bfd *abfd, symindex previous, carsym **sym));
3569
3570 boolean
3571 bfd_set_archive_head PARAMS ((bfd *output, bfd *new_head));
3572
3573 bfd *
3574 bfd_openr_next_archived_file PARAMS ((bfd *archive, bfd *previous));
3575
3576 const char *
3577 bfd_core_file_failing_command PARAMS ((bfd *abfd));
3578
3579 int
3580 bfd_core_file_failing_signal PARAMS ((bfd *abfd));
3581
3582 boolean
3583 core_file_matches_executable_p PARAMS ((bfd *core_bfd, bfd *exec_bfd));
3584
3585 #define BFD_SEND(bfd, message, arglist) \
3586                ((*((bfd)->xvec->message)) arglist)
3587
3588 #ifdef DEBUG_BFD_SEND
3589 #undef BFD_SEND
3590 #define BFD_SEND(bfd, message, arglist) \
3591   (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3592     ((*((bfd)->xvec->message)) arglist) : \
3593     (bfd_assert (__FILE__,__LINE__), NULL))
3594 #endif
3595 #define BFD_SEND_FMT(bfd, message, arglist) \
3596             (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist)
3597
3598 #ifdef DEBUG_BFD_SEND
3599 #undef BFD_SEND_FMT
3600 #define BFD_SEND_FMT(bfd, message, arglist) \
3601   (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3602    (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) : \
3603    (bfd_assert (__FILE__,__LINE__), NULL))
3604 #endif
3605
3606 enum bfd_flavour
3607 {
3608   bfd_target_unknown_flavour,
3609   bfd_target_aout_flavour,
3610   bfd_target_coff_flavour,
3611   bfd_target_ecoff_flavour,
3612   bfd_target_xcoff_flavour,
3613   bfd_target_elf_flavour,
3614   bfd_target_ieee_flavour,
3615   bfd_target_nlm_flavour,
3616   bfd_target_oasys_flavour,
3617   bfd_target_tekhex_flavour,
3618   bfd_target_srec_flavour,
3619   bfd_target_ihex_flavour,
3620   bfd_target_som_flavour,
3621   bfd_target_os9k_flavour,
3622   bfd_target_versados_flavour,
3623   bfd_target_msdos_flavour,
3624   bfd_target_ovax_flavour,
3625   bfd_target_evax_flavour,
3626   bfd_target_mmo_flavour
3627 };
3628
3629 enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN };
3630
3631 /* Forward declaration.  */
3632 typedef struct bfd_link_info _bfd_link_info;
3633
3634 typedef struct bfd_target
3635 {
3636   /* Identifies the kind of target, e.g., SunOS4, Ultrix, etc.  */
3637   char *name;
3638
3639  /* The "flavour" of a back end is a general indication about
3640     the contents of a file.  */
3641   enum bfd_flavour flavour;
3642
3643   /* The order of bytes within the data area of a file.  */
3644   enum bfd_endian byteorder;
3645
3646  /* The order of bytes within the header parts of a file.  */
3647   enum bfd_endian header_byteorder;
3648
3649   /* A mask of all the flags which an executable may have set -
3650      from the set <<BFD_NO_FLAGS>>, <<HAS_RELOC>>, ...<<D_PAGED>>.  */
3651   flagword object_flags;
3652
3653  /* A mask of all the flags which a section may have set - from
3654     the set <<SEC_NO_FLAGS>>, <<SEC_ALLOC>>, ...<<SET_NEVER_LOAD>>.  */
3655   flagword section_flags;
3656
3657  /* The character normally found at the front of a symbol.
3658     (if any), perhaps `_'.  */
3659   char symbol_leading_char;
3660
3661  /* The pad character for file names within an archive header.  */
3662   char ar_pad_char;
3663
3664   /* The maximum number of characters in an archive header.  */
3665   unsigned short ar_max_namelen;
3666
3667   /* Entries for byte swapping for data. These are different from the
3668      other entry points, since they don't take a BFD asthe first argument.
3669      Certain other handlers could do the same.  */
3670   bfd_vma        (*bfd_getx64) PARAMS ((const bfd_byte *));
3671   bfd_signed_vma (*bfd_getx_signed_64) PARAMS ((const bfd_byte *));
3672   void           (*bfd_putx64) PARAMS ((bfd_vma, bfd_byte *));
3673   bfd_vma        (*bfd_getx32) PARAMS ((const bfd_byte *));
3674   bfd_signed_vma (*bfd_getx_signed_32) PARAMS ((const bfd_byte *));
3675   void           (*bfd_putx32) PARAMS ((bfd_vma, bfd_byte *));
3676   bfd_vma        (*bfd_getx16) PARAMS ((const bfd_byte *));
3677   bfd_signed_vma (*bfd_getx_signed_16) PARAMS ((const bfd_byte *));
3678   void           (*bfd_putx16) PARAMS ((bfd_vma, bfd_byte *));
3679
3680   /* Byte swapping for the headers.  */
3681   bfd_vma        (*bfd_h_getx64) PARAMS ((const bfd_byte *));
3682   bfd_signed_vma (*bfd_h_getx_signed_64) PARAMS ((const bfd_byte *));
3683   void           (*bfd_h_putx64) PARAMS ((bfd_vma, bfd_byte *));
3684   bfd_vma        (*bfd_h_getx32) PARAMS ((const bfd_byte *));
3685   bfd_signed_vma (*bfd_h_getx_signed_32) PARAMS ((const bfd_byte *));
3686   void           (*bfd_h_putx32) PARAMS ((bfd_vma, bfd_byte *));
3687   bfd_vma        (*bfd_h_getx16) PARAMS ((const bfd_byte *));
3688   bfd_signed_vma (*bfd_h_getx_signed_16) PARAMS ((const bfd_byte *));
3689   void           (*bfd_h_putx16) PARAMS ((bfd_vma, bfd_byte *));
3690
3691   /* Format dependent routines: these are vectors of entry points
3692      within the target vector structure, one for each format to check.  */
3693
3694   /* Check the format of a file being read.  Return a <<bfd_target *>> or zero.  */
3695   const struct bfd_target *(*_bfd_check_format[bfd_type_end]) PARAMS ((bfd *));
3696
3697   /* Set the format of a file being written.  */
3698   boolean  (*_bfd_set_format[bfd_type_end]) PARAMS ((bfd *));
3699
3700   /* Write cached information into a file being written, at <<bfd_close>>.  */
3701   boolean  (*_bfd_write_contents[bfd_type_end]) PARAMS ((bfd *));
3702
3703
3704   /* Generic entry points.  */
3705 #define BFD_JUMP_TABLE_GENERIC(NAME) \
3706 CONCAT2 (NAME,_close_and_cleanup), \
3707 CONCAT2 (NAME,_bfd_free_cached_info), \
3708 CONCAT2 (NAME,_new_section_hook), \
3709 CONCAT2 (NAME,_get_section_contents), \
3710 CONCAT2 (NAME,_get_section_contents_in_window)
3711
3712   /* Called when the BFD is being closed to do any necessary cleanup.  */
3713   boolean  (*_close_and_cleanup) PARAMS ((bfd *));
3714   /* Ask the BFD to free all cached information.  */
3715   boolean  (*_bfd_free_cached_info) PARAMS ((bfd *));
3716   /* Called when a new section is created.  */
3717   boolean  (*_new_section_hook) PARAMS ((bfd *, sec_ptr));
3718   /* Read the contents of a section.  */
3719   boolean  (*_bfd_get_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
3720                                                  file_ptr, bfd_size_type));
3721   boolean  (*_bfd_get_section_contents_in_window)
3722     PARAMS ((bfd *, sec_ptr, bfd_window *, file_ptr, bfd_size_type));
3723
3724   /* Entry points to copy private data.  */
3725 #define BFD_JUMP_TABLE_COPY(NAME) \
3726 CONCAT2 (NAME,_bfd_copy_private_bfd_data), \
3727 CONCAT2 (NAME,_bfd_merge_private_bfd_data), \
3728 CONCAT2 (NAME,_bfd_copy_private_section_data), \
3729 CONCAT2 (NAME,_bfd_copy_private_symbol_data), \
3730 CONCAT2 (NAME,_bfd_set_private_flags), \
3731 CONCAT2 (NAME,_bfd_print_private_bfd_data) \
3732   /* Called to copy BFD general private data from one object file
3733      to another.  */
3734   boolean  (*_bfd_copy_private_bfd_data) PARAMS ((bfd *, bfd *));
3735   /* Called to merge BFD general private data from one object file
3736      to a common output file when linking.  */
3737   boolean  (*_bfd_merge_private_bfd_data) PARAMS ((bfd *, bfd *));
3738   /* Called to copy BFD private section data from one object file
3739      to another.  */
3740   boolean  (*_bfd_copy_private_section_data) PARAMS ((bfd *, sec_ptr,
3741                                                       bfd *, sec_ptr));
3742   /* Called to copy BFD private symbol data from one symbol
3743      to another.  */
3744   boolean  (*_bfd_copy_private_symbol_data) PARAMS ((bfd *, asymbol *,
3745                                                      bfd *, asymbol *));
3746   /* Called to set private backend flags.  */
3747   boolean  (*_bfd_set_private_flags) PARAMS ((bfd *, flagword));
3748
3749   /* Called to print private BFD data.  */
3750   boolean  (*_bfd_print_private_bfd_data) PARAMS ((bfd *, PTR));
3751
3752   /* Core file entry points.  */
3753 #define BFD_JUMP_TABLE_CORE(NAME) \
3754 CONCAT2 (NAME,_core_file_failing_command), \
3755 CONCAT2 (NAME,_core_file_failing_signal), \
3756 CONCAT2 (NAME,_core_file_matches_executable_p)
3757   char *   (*_core_file_failing_command) PARAMS ((bfd *));
3758   int      (*_core_file_failing_signal) PARAMS ((bfd *));
3759   boolean  (*_core_file_matches_executable_p) PARAMS ((bfd *, bfd *));
3760
3761   /* Archive entry points.  */
3762 #define BFD_JUMP_TABLE_ARCHIVE(NAME) \
3763 CONCAT2 (NAME,_slurp_armap), \
3764 CONCAT2 (NAME,_slurp_extended_name_table), \
3765 CONCAT2 (NAME,_construct_extended_name_table), \
3766 CONCAT2 (NAME,_truncate_arname), \
3767 CONCAT2 (NAME,_write_armap), \
3768 CONCAT2 (NAME,_read_ar_hdr), \
3769 CONCAT2 (NAME,_openr_next_archived_file), \
3770 CONCAT2 (NAME,_get_elt_at_index), \
3771 CONCAT2 (NAME,_generic_stat_arch_elt), \
3772 CONCAT2 (NAME,_update_armap_timestamp)
3773   boolean  (*_bfd_slurp_armap) PARAMS ((bfd *));
3774   boolean  (*_bfd_slurp_extended_name_table) PARAMS ((bfd *));
3775   boolean  (*_bfd_construct_extended_name_table)
3776     PARAMS ((bfd *, char **, bfd_size_type *, const char **));
3777   void     (*_bfd_truncate_arname) PARAMS ((bfd *, const char *, char *));
3778   boolean  (*write_armap)
3779     PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
3780   PTR      (*_bfd_read_ar_hdr_fn) PARAMS ((bfd *));
3781   bfd *    (*openr_next_archived_file) PARAMS ((bfd *, bfd *));
3782 #define bfd_get_elt_at_index(b,i) BFD_SEND(b, _bfd_get_elt_at_index, (b,i))
3783   bfd *    (*_bfd_get_elt_at_index) PARAMS ((bfd *, symindex));
3784   int      (*_bfd_stat_arch_elt) PARAMS ((bfd *, struct stat *));
3785   boolean  (*_bfd_update_armap_timestamp) PARAMS ((bfd *));
3786
3787   /* Entry points used for symbols.  */
3788 #define BFD_JUMP_TABLE_SYMBOLS(NAME) \
3789 CONCAT2 (NAME,_get_symtab_upper_bound), \
3790 CONCAT2 (NAME,_get_symtab), \
3791 CONCAT2 (NAME,_make_empty_symbol), \
3792 CONCAT2 (NAME,_print_symbol), \
3793 CONCAT2 (NAME,_get_symbol_info), \
3794 CONCAT2 (NAME,_bfd_is_local_label_name), \
3795 CONCAT2 (NAME,_get_lineno), \
3796 CONCAT2 (NAME,_find_nearest_line), \
3797 CONCAT2 (NAME,_bfd_make_debug_symbol), \
3798 CONCAT2 (NAME,_read_minisymbols), \
3799 CONCAT2 (NAME,_minisymbol_to_symbol)
3800   long     (*_bfd_get_symtab_upper_bound) PARAMS ((bfd *));
3801   long     (*_bfd_canonicalize_symtab) PARAMS ((bfd *,
3802                                                 struct symbol_cache_entry **));
3803   struct symbol_cache_entry *
3804            (*_bfd_make_empty_symbol) PARAMS ((bfd *));
3805   void     (*_bfd_print_symbol) PARAMS ((bfd *, PTR,
3806                                          struct symbol_cache_entry *,
3807                                          bfd_print_symbol_type));
3808 #define bfd_print_symbol(b,p,s,e) BFD_SEND(b, _bfd_print_symbol, (b,p,s,e))
3809   void     (*_bfd_get_symbol_info) PARAMS ((bfd *,
3810                                             struct symbol_cache_entry *,
3811                                             symbol_info *));
3812 #define bfd_get_symbol_info(b,p,e) BFD_SEND(b, _bfd_get_symbol_info, (b,p,e))
3813   boolean  (*_bfd_is_local_label_name) PARAMS ((bfd *, const char *));
3814
3815   alent *  (*_get_lineno) PARAMS ((bfd *, struct symbol_cache_entry *));
3816   boolean  (*_bfd_find_nearest_line)
3817     PARAMS ((bfd *, struct sec *, struct symbol_cache_entry **, bfd_vma,
3818              const char **, const char **, unsigned int *));
3819  /* Back-door to allow format-aware applications to create debug symbols
3820     while using BFD for everything else.  Currently used by the assembler
3821     when creating COFF files.  */
3822   asymbol *(*_bfd_make_debug_symbol) PARAMS ((bfd *, void *,
3823                                               unsigned long size));
3824 #define bfd_read_minisymbols(b, d, m, s) \
3825   BFD_SEND (b, _read_minisymbols, (b, d, m, s))
3826   long     (*_read_minisymbols) PARAMS ((bfd *, boolean, PTR *,
3827                                          unsigned int *));
3828 #define bfd_minisymbol_to_symbol(b, d, m, f) \
3829   BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f))
3830   asymbol *(*_minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
3831                                              asymbol *));
3832
3833   /* Routines for relocs.  */
3834 #define BFD_JUMP_TABLE_RELOCS(NAME) \
3835 CONCAT2 (NAME,_get_reloc_upper_bound), \
3836 CONCAT2 (NAME,_canonicalize_reloc), \
3837 CONCAT2 (NAME,_bfd_reloc_type_lookup)
3838   long     (*_get_reloc_upper_bound) PARAMS ((bfd *, sec_ptr));
3839   long     (*_bfd_canonicalize_reloc) PARAMS ((bfd *, sec_ptr, arelent **,
3840                                                struct symbol_cache_entry **));
3841   /* See documentation on reloc types.  */
3842   reloc_howto_type *
3843            (*reloc_type_lookup) PARAMS ((bfd *, bfd_reloc_code_real_type));
3844
3845   /* Routines used when writing an object file.  */
3846 #define BFD_JUMP_TABLE_WRITE(NAME) \
3847 CONCAT2 (NAME,_set_arch_mach), \
3848 CONCAT2 (NAME,_set_section_contents)
3849   boolean  (*_bfd_set_arch_mach) PARAMS ((bfd *, enum bfd_architecture,
3850                                           unsigned long));
3851   boolean  (*_bfd_set_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
3852                                                  file_ptr, bfd_size_type));
3853
3854   /* Routines used by the linker.  */
3855 #define BFD_JUMP_TABLE_LINK(NAME) \
3856 CONCAT2 (NAME,_sizeof_headers), \
3857 CONCAT2 (NAME,_bfd_get_relocated_section_contents), \
3858 CONCAT2 (NAME,_bfd_relax_section), \
3859 CONCAT2 (NAME,_bfd_link_hash_table_create), \
3860 CONCAT2 (NAME,_bfd_link_hash_table_free), \
3861 CONCAT2 (NAME,_bfd_link_add_symbols), \
3862 CONCAT2 (NAME,_bfd_link_just_syms), \
3863 CONCAT2 (NAME,_bfd_final_link), \
3864 CONCAT2 (NAME,_bfd_link_split_section), \
3865 CONCAT2 (NAME,_bfd_gc_sections), \
3866 CONCAT2 (NAME,_bfd_merge_sections)
3867   int      (*_bfd_sizeof_headers) PARAMS ((bfd *, boolean));
3868   bfd_byte *(*_bfd_get_relocated_section_contents)
3869     PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
3870              bfd_byte *, boolean, struct symbol_cache_entry **));
3871
3872   boolean  (*_bfd_relax_section)
3873     PARAMS ((bfd *, struct sec *, struct bfd_link_info *, boolean *));
3874
3875   /* Create a hash table for the linker.  Different backends store
3876      different information in this table.  */
3877   struct bfd_link_hash_table *(*_bfd_link_hash_table_create) PARAMS ((bfd *));
3878
3879   /* Release the memory associated with the linker hash table.  */
3880   void (*_bfd_link_hash_table_free) PARAMS ((struct bfd_link_hash_table *));
3881
3882   /* Add symbols from this object file into the hash table.  */
3883   boolean  (*_bfd_link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
3884
3885   /* Indicate that we are only retrieving symbol values from this section.  */
3886   void     (*_bfd_link_just_syms) PARAMS ((asection *, struct bfd_link_info *));
3887
3888   /* Do a link based on the link_order structures attached to each
3889      section of the BFD.  */
3890   boolean  (*_bfd_final_link) PARAMS ((bfd *, struct bfd_link_info *));
3891
3892   /* Should this section be split up into smaller pieces during linking.  */
3893   boolean  (*_bfd_link_split_section) PARAMS ((bfd *, struct sec *));
3894
3895   /* Remove sections that are not referenced from the output.  */
3896   boolean  (*_bfd_gc_sections) PARAMS ((bfd *, struct bfd_link_info *));
3897
3898   /* Attempt to merge SEC_MERGE sections.  */
3899   boolean  (*_bfd_merge_sections) PARAMS ((bfd *, struct bfd_link_info *));
3900
3901   /* Routines to handle dynamic symbols and relocs.  */
3902 #define BFD_JUMP_TABLE_DYNAMIC(NAME) \
3903 CONCAT2 (NAME,_get_dynamic_symtab_upper_bound), \
3904 CONCAT2 (NAME,_canonicalize_dynamic_symtab), \
3905 CONCAT2 (NAME,_get_dynamic_reloc_upper_bound), \
3906 CONCAT2 (NAME,_canonicalize_dynamic_reloc)
3907   /* Get the amount of memory required to hold the dynamic symbols.  */
3908   long     (*_bfd_get_dynamic_symtab_upper_bound) PARAMS ((bfd *));
3909   /* Read in the dynamic symbols.  */
3910   long     (*_bfd_canonicalize_dynamic_symtab)
3911     PARAMS ((bfd *, struct symbol_cache_entry **));
3912   /* Get the amount of memory required to hold the dynamic relocs.  */
3913   long     (*_bfd_get_dynamic_reloc_upper_bound) PARAMS ((bfd *));
3914   /* Read in the dynamic relocs.  */
3915   long     (*_bfd_canonicalize_dynamic_reloc)
3916     PARAMS ((bfd *, arelent **, struct symbol_cache_entry **));
3917
3918   /* Opposite endian version of this target.  */
3919   const struct bfd_target * alternative_target;
3920
3921   /* Data for use by back-end routines, which isn't
3922      generic enough to belong in this structure.  */
3923   PTR backend_data;
3924
3925 } bfd_target;
3926
3927 boolean
3928 bfd_set_default_target PARAMS ((const char *name));
3929
3930 const bfd_target *
3931 bfd_find_target PARAMS ((const char *target_name, bfd *abfd));
3932
3933 const char **
3934 bfd_target_list PARAMS ((void));
3935
3936 const bfd_target *
3937 bfd_search_for_target PARAMS ((int (* search_func) (const bfd_target *, void *), void *));
3938
3939 boolean
3940 bfd_check_format PARAMS ((bfd *abfd, bfd_format format));
3941
3942 boolean
3943 bfd_check_format_matches PARAMS ((bfd *abfd, bfd_format format, char ***matching));
3944
3945 boolean
3946 bfd_set_format PARAMS ((bfd *abfd, bfd_format format));
3947
3948 const char *
3949 bfd_format_string PARAMS ((bfd_format format));
3950
3951 #ifdef __cplusplus
3952 }
3953 #endif
3954 #endif